From e239fd7a40e3103baea4035222ec6b76f54c2da7 Mon Sep 17 00:00:00 2001 From: Jaylen Bian Date: Fri, 9 Jul 2021 14:50:57 +0800 Subject: [PATCH 1/4] [editor] Add editor lib to flutter packages --- .../Flutter/GeneratedPluginRegistrant.swift | 4 + app_flowy/macos/Podfile.lock | 2 +- app_flowy/packages/flowy_editor/.gitignore | 7 + app_flowy/packages/flowy_editor/.metadata | 10 + .../packages/flowy_editor/.vscode/launch.json | 19 + app_flowy/packages/flowy_editor/CHANGELOG.md | 3 + app_flowy/packages/flowy_editor/LICENSE | 1 + app_flowy/packages/flowy_editor/README.md | 14 + .../flowy_editor/analysis_options.yaml | 8 + .../packages/flowy_editor/android/.gitignore | 8 + .../flowy_editor/android/build.gradle | 40 + .../flowy_editor/android/gradle.properties | 3 + .../gradle/wrapper/gradle-wrapper.properties | 5 + .../flowy_editor/android/settings.gradle | 1 + .../android/src/main/AndroidManifest.xml | 3 + .../plugin/flowy_editor/FlowyEditorPlugin.kt | 36 + 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mode 100644 app_flowy/packages/flowy_editor/ios/Classes/SwiftFlowyEditorPlugin.swift create mode 100644 app_flowy/packages/flowy_editor/ios/flowy_editor.podspec create mode 100644 app_flowy/packages/flowy_editor/lib/flowy_editor.dart create mode 100644 app_flowy/packages/flowy_editor/lib/flowy_editor_web.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/document/attribute.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/document/document.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/document/history.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/document/node/block.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/document/node/container.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/document/node/embed.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/document/node/leaf.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/document/node/line.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/document/node/node.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/document/style.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/heuristic/delete.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/heuristic/format.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/heuristic/insert.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/heuristic/rule.dart create mode 100644 app_flowy/packages/flowy_editor/lib/model/quill_delta.dart create mode 100644 app_flowy/packages/flowy_editor/lib/rendering/box.dart create mode 100644 app_flowy/packages/flowy_editor/lib/rendering/editor.dart create mode 100644 app_flowy/packages/flowy_editor/lib/rendering/proxy.dart create mode 100644 app_flowy/packages/flowy_editor/lib/rendering/text_block.dart create mode 100644 app_flowy/packages/flowy_editor/lib/rendering/text_line.dart create mode 100644 app_flowy/packages/flowy_editor/lib/service/controller.dart create mode 100644 app_flowy/packages/flowy_editor/lib/service/cursor.dart create mode 100644 app_flowy/packages/flowy_editor/lib/service/keyboard.dart create mode 100644 app_flowy/packages/flowy_editor/lib/service/style.dart create mode 100644 app_flowy/packages/flowy_editor/lib/util/color.dart create mode 100644 app_flowy/packages/flowy_editor/lib/util/delta_diff.dart create mode 100644 app_flowy/packages/flowy_editor/lib/widget/builder.dart create mode 100644 app_flowy/packages/flowy_editor/lib/widget/editor.dart create mode 100644 app_flowy/packages/flowy_editor/lib/widget/flowy_toolbar.dart create mode 100644 app_flowy/packages/flowy_editor/lib/widget/image_viewer_screen.dart create mode 100644 app_flowy/packages/flowy_editor/lib/widget/proxy.dart create mode 100644 app_flowy/packages/flowy_editor/lib/widget/raw_editor.dart create mode 100644 app_flowy/packages/flowy_editor/lib/widget/selection.dart create mode 100644 app_flowy/packages/flowy_editor/lib/widget/text_block.dart create mode 100644 app_flowy/packages/flowy_editor/lib/widget/text_line.dart create mode 100644 app_flowy/packages/flowy_editor/lib/widget/toolbar.dart create mode 100644 app_flowy/packages/flowy_editor/macos/Classes/FlowyEditorPlugin.swift create mode 100644 app_flowy/packages/flowy_editor/macos/flowy_editor.podspec create mode 100644 app_flowy/packages/flowy_editor/pubspec.lock create mode 100644 app_flowy/packages/flowy_editor/pubspec.yaml create mode 100644 app_flowy/packages/flowy_editor/test/flowy_editor_test.dart create mode 100644 app_flowy/packages/flowy_editor/windows/.gitignore create mode 100644 app_flowy/packages/flowy_editor/windows/CMakeLists.txt create mode 100644 app_flowy/packages/flowy_editor/windows/flowy_editor_plugin.cpp create mode 100644 app_flowy/packages/flowy_editor/windows/include/flowy_editor/flowy_editor_plugin.h diff --git a/app_flowy/macos/Flutter/GeneratedPluginRegistrant.swift b/app_flowy/macos/Flutter/GeneratedPluginRegistrant.swift index d906c508d9..dc3b203eab 100644 --- a/app_flowy/macos/Flutter/GeneratedPluginRegistrant.swift +++ b/app_flowy/macos/Flutter/GeneratedPluginRegistrant.swift @@ -5,12 +5,16 @@ import FlutterMacOS import Foundation +import flowy_editor import flowy_sdk import path_provider_macos +import url_launcher_macos import window_size func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) { + FlowyEditorPlugin.register(with: registry.registrar(forPlugin: "FlowyEditorPlugin")) FlowySdkPlugin.register(with: registry.registrar(forPlugin: "FlowySdkPlugin")) PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin")) + UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin")) WindowSizePlugin.register(with: registry.registrar(forPlugin: "WindowSizePlugin")) } diff --git a/app_flowy/macos/Podfile.lock b/app_flowy/macos/Podfile.lock index 2260813685..13623e8844 100644 --- a/app_flowy/macos/Podfile.lock +++ b/app_flowy/macos/Podfile.lock @@ -31,4 +31,4 @@ SPEC CHECKSUMS: PODFILE CHECKSUM: 6eac6b3292e5142cfc23bdeb71848a40ec51c14c -COCOAPODS: 1.10.1 +COCOAPODS: 1.9.3 diff --git a/app_flowy/packages/flowy_editor/.gitignore b/app_flowy/packages/flowy_editor/.gitignore new file mode 100644 index 0000000000..e9dc58d3d6 --- /dev/null +++ b/app_flowy/packages/flowy_editor/.gitignore @@ -0,0 +1,7 @@ +.DS_Store +.dart_tool/ + +.packages +.pub/ + +build/ diff --git a/app_flowy/packages/flowy_editor/.metadata b/app_flowy/packages/flowy_editor/.metadata new file mode 100644 index 0000000000..90455796c5 --- /dev/null +++ b/app_flowy/packages/flowy_editor/.metadata @@ -0,0 +1,10 @@ +# This file tracks properties of this Flutter project. +# Used by Flutter tool to assess capabilities and perform upgrades etc. +# +# This file should be version controlled and should not be manually edited. + +version: + revision: b7d4806243a4e906bf061f79a0e314ba28111aa6 + channel: dev + +project_type: plugin diff --git a/app_flowy/packages/flowy_editor/.vscode/launch.json b/app_flowy/packages/flowy_editor/.vscode/launch.json new file mode 100644 index 0000000000..ebad467a72 --- /dev/null +++ b/app_flowy/packages/flowy_editor/.vscode/launch.json @@ -0,0 +1,19 @@ +{ + // 使用 IntelliSense 了解相关属性。 + // 悬停以查看现有属性的描述。 + // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387 + "version": "0.2.0", + "configurations": [ + { + "name": "flowy_editor", + "request": "launch", + "type": "dart" + }, + { + "name": "flowy_editor example", + "cwd": "example", + "request": "launch", + "type": "dart" + } + ] +} \ No newline at end of file diff --git a/app_flowy/packages/flowy_editor/CHANGELOG.md b/app_flowy/packages/flowy_editor/CHANGELOG.md new file mode 100644 index 0000000000..41cc7d8192 --- /dev/null +++ b/app_flowy/packages/flowy_editor/CHANGELOG.md @@ -0,0 +1,3 @@ +## 0.0.1 + +* TODO: Describe initial release. diff --git a/app_flowy/packages/flowy_editor/LICENSE b/app_flowy/packages/flowy_editor/LICENSE new file mode 100644 index 0000000000..ba75c69f7f --- /dev/null +++ b/app_flowy/packages/flowy_editor/LICENSE @@ -0,0 +1 @@ +TODO: Add your license here. diff --git a/app_flowy/packages/flowy_editor/README.md b/app_flowy/packages/flowy_editor/README.md new file mode 100644 index 0000000000..23c1259570 --- /dev/null +++ b/app_flowy/packages/flowy_editor/README.md @@ -0,0 +1,14 @@ +# flowy_editor + +A new flutter plugin project. + +## Getting Started + +This project is a starting point for a Flutter +[plug-in package](https://flutter.dev/developing-packages/), +a specialized package that includes platform-specific implementation code for +Android and/or iOS. + +For help getting started with Flutter, view our +[online documentation](https://flutter.dev/docs), which offers tutorials, +samples, guidance on mobile development, and a full API reference. \ No newline at end of file diff --git a/app_flowy/packages/flowy_editor/analysis_options.yaml b/app_flowy/packages/flowy_editor/analysis_options.yaml new file mode 100644 index 0000000000..358d9a7f1d --- /dev/null +++ b/app_flowy/packages/flowy_editor/analysis_options.yaml @@ -0,0 +1,8 @@ +include: package:pedantic/analysis_options.yaml +analyzer: + exclude: + - "**/*.g.dart" + - "**/*.freezed.dart" + + +# https://dart.dev/guides/language/analysis-options \ No newline at end of file diff --git a/app_flowy/packages/flowy_editor/android/.gitignore b/app_flowy/packages/flowy_editor/android/.gitignore new file mode 100644 index 0000000000..c6cbe562a4 --- /dev/null +++ b/app_flowy/packages/flowy_editor/android/.gitignore @@ -0,0 +1,8 @@ +*.iml +.gradle +/local.properties +/.idea/workspace.xml +/.idea/libraries +.DS_Store +/build +/captures diff --git a/app_flowy/packages/flowy_editor/android/build.gradle b/app_flowy/packages/flowy_editor/android/build.gradle new file mode 100644 index 0000000000..8ca243c8b7 --- /dev/null +++ b/app_flowy/packages/flowy_editor/android/build.gradle @@ -0,0 +1,40 @@ +group 'com.plugin.flowy_editor' +version '1.0-SNAPSHOT' + +buildscript { + ext.kotlin_version = '1.3.50' + repositories { + google() + jcenter() + } + + dependencies { + classpath 'com.android.tools.build:gradle:4.1.0' + classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" + } +} + +rootProject.allprojects { + repositories { + google() + jcenter() + } +} + +apply plugin: 'com.android.library' +apply plugin: 'kotlin-android' + +android { + compileSdkVersion 30 + + sourceSets { + main.java.srcDirs += 'src/main/kotlin' + } + defaultConfig { + minSdkVersion 16 + } +} + +dependencies { + implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" +} diff --git a/app_flowy/packages/flowy_editor/android/gradle.properties b/app_flowy/packages/flowy_editor/android/gradle.properties new file mode 100644 index 0000000000..94adc3a3f9 --- /dev/null +++ b/app_flowy/packages/flowy_editor/android/gradle.properties @@ -0,0 +1,3 @@ +org.gradle.jvmargs=-Xmx1536M +android.useAndroidX=true +android.enableJetifier=true diff --git a/app_flowy/packages/flowy_editor/android/gradle/wrapper/gradle-wrapper.properties b/app_flowy/packages/flowy_editor/android/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000000..3c9d0852bf --- /dev/null +++ b/app_flowy/packages/flowy_editor/android/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip diff --git a/app_flowy/packages/flowy_editor/android/settings.gradle b/app_flowy/packages/flowy_editor/android/settings.gradle new file mode 100644 index 0000000000..d4d969b6de --- /dev/null +++ b/app_flowy/packages/flowy_editor/android/settings.gradle @@ -0,0 +1 @@ +rootProject.name = 'flowy_editor' diff --git a/app_flowy/packages/flowy_editor/android/src/main/AndroidManifest.xml b/app_flowy/packages/flowy_editor/android/src/main/AndroidManifest.xml new file mode 100644 index 0000000000..620513d130 --- /dev/null +++ b/app_flowy/packages/flowy_editor/android/src/main/AndroidManifest.xml @@ -0,0 +1,3 @@ + + diff --git a/app_flowy/packages/flowy_editor/android/src/main/kotlin/com/plugin/flowy_editor/FlowyEditorPlugin.kt b/app_flowy/packages/flowy_editor/android/src/main/kotlin/com/plugin/flowy_editor/FlowyEditorPlugin.kt new file mode 100644 index 0000000000..eb18984fb4 --- /dev/null +++ b/app_flowy/packages/flowy_editor/android/src/main/kotlin/com/plugin/flowy_editor/FlowyEditorPlugin.kt @@ -0,0 +1,36 @@ +package com.plugin.flowy_editor + +import androidx.annotation.NonNull + +import io.flutter.embedding.engine.plugins.FlutterPlugin +import io.flutter.plugin.common.MethodCall +import io.flutter.plugin.common.MethodChannel +import io.flutter.plugin.common.MethodChannel.MethodCallHandler +import io.flutter.plugin.common.MethodChannel.Result +import io.flutter.plugin.common.PluginRegistry.Registrar + +/** FlowyEditorPlugin */ +class FlowyEditorPlugin: FlutterPlugin, MethodCallHandler { + /// The MethodChannel that will the communication between Flutter and native Android + /// + /// This local reference serves to register the plugin with the Flutter Engine and unregister it + /// when the Flutter Engine is detached from the Activity + private lateinit var channel : MethodChannel + + override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) { + channel = MethodChannel(flutterPluginBinding.binaryMessenger, "flowy_editor") + channel.setMethodCallHandler(this) + } + + override fun onMethodCall(@NonNull call: MethodCall, @NonNull result: Result) { + if (call.method == "getPlatformVersion") { + result.success("Android ${android.os.Build.VERSION.RELEASE}") + } else { + result.notImplemented() + } + } + + override fun onDetachedFromEngine(@NonNull binding: FlutterPlugin.FlutterPluginBinding) { + channel.setMethodCallHandler(null) + } +} diff --git a/app_flowy/packages/flowy_editor/example/.gitignore b/app_flowy/packages/flowy_editor/example/.gitignore new file mode 100644 index 0000000000..0fa6b675c0 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/.gitignore @@ -0,0 +1,46 @@ +# Miscellaneous +*.class +*.log +*.pyc +*.swp +.DS_Store +.atom/ +.buildlog/ +.history +.svn/ + +# IntelliJ related +*.iml +*.ipr +*.iws +.idea/ + +# The .vscode folder contains launch configuration and tasks you configure in +# VS Code which you may wish to be included in version control, so this line +# is commented out by default. +#.vscode/ + +# Flutter/Dart/Pub related +**/doc/api/ +**/ios/Flutter/.last_build_id +.dart_tool/ +.flutter-plugins +.flutter-plugins-dependencies +.packages +.pub-cache/ +.pub/ +/build/ + +# Web related +lib/generated_plugin_registrant.dart + +# Symbolication related +app.*.symbols + +# Obfuscation related +app.*.map.json + +# Android Studio will place build artifacts here +/android/app/debug +/android/app/profile +/android/app/release diff --git a/app_flowy/packages/flowy_editor/example/.metadata b/app_flowy/packages/flowy_editor/example/.metadata new file mode 100644 index 0000000000..7aa657dd7f --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/.metadata @@ -0,0 +1,10 @@ +# This file tracks properties of this Flutter project. +# Used by Flutter tool to assess capabilities and perform upgrades etc. +# +# This file should be version controlled and should not be manually edited. + +version: + revision: b7d4806243a4e906bf061f79a0e314ba28111aa6 + channel: dev + +project_type: app diff --git a/app_flowy/packages/flowy_editor/example/README.md b/app_flowy/packages/flowy_editor/example/README.md new file mode 100644 index 0000000000..6a8d0dfd92 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/README.md @@ -0,0 +1,16 @@ +# flowy_editor_example + +Demonstrates how to use the flowy_editor plugin. + +## Getting Started + +This project is a starting point for a Flutter application. + +A few resources to get you started if this is your first Flutter project: + +- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab) +- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook) + +For help getting started with Flutter, view our +[online documentation](https://flutter.dev/docs), which offers tutorials, +samples, guidance on mobile development, and a full API reference. diff --git a/app_flowy/packages/flowy_editor/example/android/.gitignore b/app_flowy/packages/flowy_editor/example/android/.gitignore new file mode 100644 index 0000000000..0a741cb43d --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/android/.gitignore @@ -0,0 +1,11 @@ +gradle-wrapper.jar +/.gradle +/captures/ +/gradlew +/gradlew.bat +/local.properties +GeneratedPluginRegistrant.java + +# Remember to never publicly share your keystore. +# See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app +key.properties diff --git a/app_flowy/packages/flowy_editor/example/android/app/build.gradle b/app_flowy/packages/flowy_editor/example/android/app/build.gradle new file mode 100644 index 0000000000..c463866b0c --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/android/app/build.gradle @@ -0,0 +1,59 @@ +def localProperties = new Properties() +def localPropertiesFile = rootProject.file('local.properties') +if (localPropertiesFile.exists()) { + localPropertiesFile.withReader('UTF-8') { reader -> + localProperties.load(reader) + } +} + +def flutterRoot = localProperties.getProperty('flutter.sdk') +if (flutterRoot == null) { + throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.") +} + +def flutterVersionCode = localProperties.getProperty('flutter.versionCode') +if (flutterVersionCode == null) { + flutterVersionCode = '1' +} + +def flutterVersionName = localProperties.getProperty('flutter.versionName') +if (flutterVersionName == null) { + flutterVersionName = '1.0' +} + +apply plugin: 'com.android.application' +apply plugin: 'kotlin-android' +apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" + +android { + compileSdkVersion 30 + + sourceSets { + main.java.srcDirs += 'src/main/kotlin' + } + + defaultConfig { + // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). + applicationId "com.plugin.flowy_editor_example" + minSdkVersion 16 + targetSdkVersion 30 + versionCode flutterVersionCode.toInteger() + versionName flutterVersionName + } + + buildTypes { + release { + // TODO: Add your own signing config for the release build. + // Signing with the debug keys for now, so `flutter run --release` works. + signingConfig signingConfigs.debug + } + } +} + +flutter { + source '../..' +} + +dependencies { + implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" +} diff --git a/app_flowy/packages/flowy_editor/example/android/app/src/debug/AndroidManifest.xml b/app_flowy/packages/flowy_editor/example/android/app/src/debug/AndroidManifest.xml new file mode 100644 index 0000000000..17e44851a2 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/android/app/src/debug/AndroidManifest.xml @@ -0,0 +1,7 @@ + + + + diff --git a/app_flowy/packages/flowy_editor/example/android/app/src/main/AndroidManifest.xml b/app_flowy/packages/flowy_editor/example/android/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000000..1e79da5ec1 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/android/app/src/main/AndroidManifest.xml @@ -0,0 +1,41 @@ + + + + + + + + + + + + + + + + diff --git a/app_flowy/packages/flowy_editor/example/android/app/src/main/kotlin/com/plugin/flowy_editor_example/MainActivity.kt b/app_flowy/packages/flowy_editor/example/android/app/src/main/kotlin/com/plugin/flowy_editor_example/MainActivity.kt new file mode 100644 index 0000000000..e875c46b05 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/android/app/src/main/kotlin/com/plugin/flowy_editor_example/MainActivity.kt @@ -0,0 +1,6 @@ +package com.plugin.flowy_editor_example + +import io.flutter.embedding.android.FlutterActivity + +class MainActivity: FlutterActivity() { +} diff --git a/app_flowy/packages/flowy_editor/example/android/app/src/main/res/drawable-v21/launch_background.xml b/app_flowy/packages/flowy_editor/example/android/app/src/main/res/drawable-v21/launch_background.xml new file mode 100644 index 0000000000..f74085f3f6 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/android/app/src/main/res/drawable-v21/launch_background.xml @@ -0,0 +1,12 @@ + + + + + + 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b/app_flowy/packages/flowy_editor/example/android/app/src/main/res/values/styles.xml @@ -0,0 +1,18 @@ + + + + + + + diff --git a/app_flowy/packages/flowy_editor/example/android/app/src/profile/AndroidManifest.xml b/app_flowy/packages/flowy_editor/example/android/app/src/profile/AndroidManifest.xml new file mode 100644 index 0000000000..17e44851a2 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/android/app/src/profile/AndroidManifest.xml @@ -0,0 +1,7 @@ + + + + diff --git a/app_flowy/packages/flowy_editor/example/android/build.gradle b/app_flowy/packages/flowy_editor/example/android/build.gradle new file mode 100644 index 0000000000..c505a86352 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/android/build.gradle @@ -0,0 +1,31 @@ +buildscript { + ext.kotlin_version = '1.3.50' + repositories { + google() + jcenter() + } + + dependencies { + classpath 'com.android.tools.build:gradle:4.1.0' + classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" + } +} + +allprojects { + repositories { + google() + jcenter() + } +} + +rootProject.buildDir = '../build' +subprojects { + project.buildDir = "${rootProject.buildDir}/${project.name}" +} +subprojects { + project.evaluationDependsOn(':app') +} + +task clean(type: Delete) { + delete rootProject.buildDir +} diff --git a/app_flowy/packages/flowy_editor/example/android/gradle.properties b/app_flowy/packages/flowy_editor/example/android/gradle.properties new file mode 100644 index 0000000000..94adc3a3f9 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/android/gradle.properties @@ -0,0 +1,3 @@ +org.gradle.jvmargs=-Xmx1536M +android.useAndroidX=true +android.enableJetifier=true diff --git a/app_flowy/packages/flowy_editor/example/android/gradle/wrapper/gradle-wrapper.properties b/app_flowy/packages/flowy_editor/example/android/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000000..bc6a58afdd --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/android/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Fri Jun 23 08:50:38 CEST 2017 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip diff --git a/app_flowy/packages/flowy_editor/example/android/settings.gradle b/app_flowy/packages/flowy_editor/example/android/settings.gradle new file mode 100644 index 0000000000..44e62bcf06 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/android/settings.gradle @@ -0,0 +1,11 @@ +include ':app' + +def localPropertiesFile = new File(rootProject.projectDir, "local.properties") +def properties = new Properties() + +assert localPropertiesFile.exists() +localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) } + +def flutterSdkPath = properties.getProperty("flutter.sdk") +assert flutterSdkPath != null, "flutter.sdk not set in local.properties" +apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle" diff --git a/app_flowy/packages/flowy_editor/example/assets/block_document.fdoc b/app_flowy/packages/flowy_editor/example/assets/block_document.fdoc new file mode 100644 index 0000000000..04dc2441e8 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/assets/block_document.fdoc @@ -0,0 +1,14 @@ +[ + { + "insert":"This is a checkbox" + }, + { + "attributes":{ + "list":"checked" + }, + "insert":"\n" + }, + { + "insert":"\n" + } +] \ No newline at end of file diff --git a/app_flowy/packages/flowy_editor/example/assets/long_document.fdoc b/app_flowy/packages/flowy_editor/example/assets/long_document.fdoc new file mode 100644 index 0000000000..0c3be4df72 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/assets/long_document.fdoc @@ -0,0 +1,95 @@ +[ + { + "insert":"Flowy Editor" + }, + { + "attributes":{ + "heading":1 + }, + "insert":"\n" + }, + { + "insert":"Flowy Editor" + }, + { + "attributes":{ + "heading":2 + }, + "insert":"\n" + }, + { + "insert":"Flowy Editor" + }, + { + "attributes":{ + "heading":3 + }, + "insert":"\n" + }, + { + "insert":"Flowy Editor\n" + }, + { + "insert":"Flowy Editor" + }, + { + "attributes":{ + "heading":1 + }, + "insert":"\n" + }, + { + "insert":"Flowy Editor" + }, + { + "attributes":{ + "heading":2 + }, + "insert":"\n" + }, + { + "insert":"Flowy Editor" + }, + { + "attributes":{ + "heading":3 + }, + "insert":"\n" + }, + { + "insert":"Flowy Editor\n" + }, + { + "insert":"Flowy Editor" + }, + { + "attributes":{ + "heading":1 + }, + "insert":"\n" + }, + { + "insert":"Flowy Editor" + }, + { + "attributes":{ + "heading":2 + }, + "insert":"\n" + }, + { + "insert":"Flowy Editor" + }, + { + "attributes":{ + "heading":3 + }, + "insert":"\n" + }, + { + "insert":"Flowy Editor\n" + }, + { + "insert":"\n" + } +] \ No newline at end of file diff --git a/app_flowy/packages/flowy_editor/example/assets/plain_text_document.fdoc b/app_flowy/packages/flowy_editor/example/assets/plain_text_document.fdoc new file mode 100644 index 0000000000..bfcccda58d --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/assets/plain_text_document.fdoc @@ -0,0 +1,125 @@ +[ + { + "insert":"Flowy Editor" + }, + { + "attributes":{ + "header":1 + }, + "insert":"\n" + }, + { + "insert":"This is the test document for flowy editor.\nTest the decoding Delta and renderiing attributed text.\nTest Content" + }, + { + "attributes":{ + "header":2 + }, + "insert":"\n" + }, + { + "insert":"This is a plain text.\nThis is a quote text." + }, + { + "attributes":{ + "quote_block":true + }, + "insert":"\n" + }, + { + "insert":"This line contains a " + }, + { + "attributes":{ + "bold":true + }, + "insert":"bold" + }, + { + "insert":" word, also, " + }, + { + "attributes":{ + "italic":true + }, + "insert":"italic" + }, + { + "insert":" word here, and " + }, + { + "attributes":{ + "strikethrough":true + }, + "insert":"strikethrough" + }, + { + "insert": " and " + }, + { + "attributes":{ + "underline":true + }, + "insert":"underline" + }, + { + "insert":" etc...\n" + }, + { + "attributes":{ + "link":"appflowy.com" + }, + "insert":"AppFlowy.com" + }, + { + "insert":"\nEl" + }, + { + "attributes":{ + "bold":true + }, + "insert": "eme" + }, + { + "insert": "nt 1" + }, + { + "attributes":{ + "list":"bullet" + }, + "insert":"\n" + }, + { + "insert":"Element 2" + }, + { + "attributes":{ + "list":"bullet" + }, + "insert":"\n" + }, + { + "insert":"Choice 1" + }, + { + "attributes":{ + "list":"ordered" + }, + "insert":"\n" + }, + { + "insert":"Choice 2" + }, + { + "attributes":{ + "list":"ordered" + }, + "insert":"\n" + }, + { + "insert":"\nThis is the content of a checkbox" + }, + { + "insert":"\n" + } +] \ No newline at end of file diff --git a/app_flowy/packages/flowy_editor/example/ios/.gitignore b/app_flowy/packages/flowy_editor/example/ios/.gitignore new file mode 100644 index 0000000000..e96ef602b8 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/.gitignore @@ -0,0 +1,32 @@ +*.mode1v3 +*.mode2v3 +*.moved-aside +*.pbxuser +*.perspectivev3 +**/*sync/ +.sconsign.dblite +.tags* +**/.vagrant/ +**/DerivedData/ +Icon? +**/Pods/ +**/.symlinks/ +profile +xcuserdata +**/.generated/ +Flutter/App.framework +Flutter/Flutter.framework +Flutter/Flutter.podspec +Flutter/Generated.xcconfig +Flutter/app.flx +Flutter/app.zip +Flutter/flutter_assets/ +Flutter/flutter_export_environment.sh +ServiceDefinitions.json +Runner/GeneratedPluginRegistrant.* + +# Exceptions to above rules. +!default.mode1v3 +!default.mode2v3 +!default.pbxuser +!default.perspectivev3 diff --git a/app_flowy/packages/flowy_editor/example/ios/Flutter/AppFrameworkInfo.plist b/app_flowy/packages/flowy_editor/example/ios/Flutter/AppFrameworkInfo.plist new file mode 100644 index 0000000000..9367d483e4 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Flutter/AppFrameworkInfo.plist @@ -0,0 +1,26 @@ + + + + + CFBundleDevelopmentRegion + en + CFBundleExecutable + App + CFBundleIdentifier + io.flutter.flutter.app + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + App + CFBundlePackageType + FMWK + CFBundleShortVersionString + 1.0 + CFBundleSignature + ???? + CFBundleVersion + 1.0 + MinimumOSVersion + 8.0 + + diff --git a/app_flowy/packages/flowy_editor/example/ios/Flutter/Debug.xcconfig b/app_flowy/packages/flowy_editor/example/ios/Flutter/Debug.xcconfig new file mode 100644 index 0000000000..ec97fc6f30 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Flutter/Debug.xcconfig @@ -0,0 +1,2 @@ +#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig" +#include "Generated.xcconfig" diff --git a/app_flowy/packages/flowy_editor/example/ios/Flutter/Release.xcconfig b/app_flowy/packages/flowy_editor/example/ios/Flutter/Release.xcconfig new file mode 100644 index 0000000000..c4855bfe20 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Flutter/Release.xcconfig @@ -0,0 +1,2 @@ +#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig" +#include "Generated.xcconfig" diff --git a/app_flowy/packages/flowy_editor/example/ios/Podfile b/app_flowy/packages/flowy_editor/example/ios/Podfile new file mode 100644 index 0000000000..1e8c3c90a5 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Podfile @@ -0,0 +1,41 @@ +# Uncomment this line to define a global platform for your project +# platform :ios, '9.0' + +# CocoaPods analytics sends network stats synchronously affecting flutter build latency. +ENV['COCOAPODS_DISABLE_STATS'] = 'true' + +project 'Runner', { + 'Debug' => :debug, + 'Profile' => :release, + 'Release' => :release, +} + +def flutter_root + generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__) + unless File.exist?(generated_xcode_build_settings_path) + raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first" + end + + File.foreach(generated_xcode_build_settings_path) do |line| + matches = line.match(/FLUTTER_ROOT\=(.*)/) + return matches[1].strip if matches + end + raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get" +end + +require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root) + +flutter_ios_podfile_setup + +target 'Runner' do + use_frameworks! + use_modular_headers! + + flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__)) +end + +post_install do |installer| + installer.pods_project.targets.each do |target| + flutter_additional_ios_build_settings(target) + end +end diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/project.pbxproj b/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/project.pbxproj new file mode 100644 index 0000000000..14684c0039 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/project.pbxproj @@ -0,0 +1,546 @@ +// !$*UTF8*$! +{ + archiveVersion = 1; + classes = { + }; + objectVersion = 46; + objects = { + +/* Begin PBXBuildFile section */ + 1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; 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Project object */; +} diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000000..919434a625 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,7 @@ + + + + + diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000000..18d981003d --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings new file mode 100644 index 0000000000..f9b0d7c5ea --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings @@ -0,0 +1,8 @@ + + + + + PreviewsEnabled + + + diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme new file mode 100644 index 0000000000..a28140cfdb --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme @@ -0,0 +1,91 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner.xcworkspace/contents.xcworkspacedata b/app_flowy/packages/flowy_editor/example/ios/Runner.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000000..21a3cc14c7 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,10 @@ + + + + + + + diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/app_flowy/packages/flowy_editor/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000000..18d981003d --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/app_flowy/packages/flowy_editor/example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings new file mode 100644 index 0000000000..f9b0d7c5ea --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings @@ -0,0 +1,8 @@ + + + + + PreviewsEnabled + + + diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner/AppDelegate.swift b/app_flowy/packages/flowy_editor/example/ios/Runner/AppDelegate.swift new file mode 100644 index 0000000000..70693e4a8c --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner/AppDelegate.swift @@ -0,0 +1,13 @@ +import UIKit +import Flutter + +@UIApplicationMain +@objc class AppDelegate: FlutterAppDelegate { + override func application( + _ application: UIApplication, + didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? + ) -> Bool { + GeneratedPluginRegistrant.register(with: self) + return super.application(application, didFinishLaunchingWithOptions: launchOptions) + } +} diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/app_flowy/packages/flowy_editor/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json new file mode 100644 index 0000000000..d36b1fab2d --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json @@ -0,0 +1,122 @@ +{ + "images" : [ + { + "size" : "20x20", + "idiom" : "iphone", + "filename" : "Icon-App-20x20@2x.png", + "scale" : "2x" + }, + { + "size" : "20x20", + "idiom" : "iphone", + "filename" : "Icon-App-20x20@3x.png", + "scale" : "3x" + }, + { + "size" : "29x29", + "idiom" : "iphone", + "filename" : "Icon-App-29x29@1x.png", + "scale" : "1x" + }, + { + "size" : "29x29", + "idiom" : "iphone", + "filename" : "Icon-App-29x29@2x.png", + "scale" : "2x" + }, + { + "size" : "29x29", + "idiom" : "iphone", + "filename" : "Icon-App-29x29@3x.png", + 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a/app_flowy/packages/flowy_editor/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md b/app_flowy/packages/flowy_editor/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md new file mode 100644 index 0000000000..89c2725b70 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md @@ -0,0 +1,5 @@ +# Launch Screen Assets + +You can customize the launch screen with your own desired assets by replacing the image files in this directory. + +You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images. \ No newline at end of file diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner/Base.lproj/LaunchScreen.storyboard b/app_flowy/packages/flowy_editor/example/ios/Runner/Base.lproj/LaunchScreen.storyboard new file mode 100644 index 0000000000..f2e259c7c9 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner/Base.lproj/LaunchScreen.storyboard @@ -0,0 +1,37 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner/Base.lproj/Main.storyboard b/app_flowy/packages/flowy_editor/example/ios/Runner/Base.lproj/Main.storyboard new file mode 100644 index 0000000000..f3c28516fb --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner/Base.lproj/Main.storyboard @@ -0,0 +1,26 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner/Info.plist b/app_flowy/packages/flowy_editor/example/ios/Runner/Info.plist new file mode 100644 index 0000000000..b0292d8b37 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner/Info.plist @@ -0,0 +1,45 @@ + + + + + CFBundleDevelopmentRegion + $(DEVELOPMENT_LANGUAGE) + CFBundleExecutable + $(EXECUTABLE_NAME) + CFBundleIdentifier + $(PRODUCT_BUNDLE_IDENTIFIER) + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + flowy_editor_example + CFBundlePackageType + APPL + CFBundleShortVersionString + $(FLUTTER_BUILD_NAME) + CFBundleSignature + ???? + CFBundleVersion + $(FLUTTER_BUILD_NUMBER) + LSRequiresIPhoneOS + + UILaunchStoryboardName + LaunchScreen + UIMainStoryboardFile + Main + UISupportedInterfaceOrientations + + UIInterfaceOrientationPortrait + UIInterfaceOrientationLandscapeLeft + UIInterfaceOrientationLandscapeRight + + UISupportedInterfaceOrientations~ipad + + UIInterfaceOrientationPortrait + UIInterfaceOrientationPortraitUpsideDown + UIInterfaceOrientationLandscapeLeft + UIInterfaceOrientationLandscapeRight + + UIViewControllerBasedStatusBarAppearance + + + diff --git a/app_flowy/packages/flowy_editor/example/ios/Runner/Runner-Bridging-Header.h b/app_flowy/packages/flowy_editor/example/ios/Runner/Runner-Bridging-Header.h new file mode 100644 index 0000000000..308a2a560b --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Runner/Runner-Bridging-Header.h @@ -0,0 +1 @@ +#import "GeneratedPluginRegistrant.h" diff --git a/app_flowy/packages/flowy_editor/example/lib/home_screen.dart b/app_flowy/packages/flowy_editor/example/lib/home_screen.dart new file mode 100644 index 0000000000..3c9bf8e9f8 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/lib/home_screen.dart @@ -0,0 +1,67 @@ +import 'widgets/home_drawer.dart'; +import 'widgets/editor_scaffold.dart'; +import 'package:flutter/material.dart'; + +final flowyDocs = [ + 'plain_text_document.fdoc', + 'block_document.fdoc', + 'long_document.fdoc', +]; + +class HomeScreen extends StatefulWidget { + @override + _HomeScreenState createState() => _HomeScreenState(); +} + +class _HomeScreenState extends State { + String filename; + Widget _editor; + + @override + void initState() { + filename = flowyDocs[1]; + super.initState(); + } + + @override + Widget build(BuildContext context) { + return HomeDrawer( + drawer: Container( + constraints: BoxConstraints(minWidth: 250, maxWidth: 250), + color: Colors.white, + child: ListView.separated( + itemBuilder: (context, index) { + return GestureDetector( + onTap: () => _selectDoc(index), + child: Container( + padding: EdgeInsets.symmetric(horizontal: 8.0, vertical: 16.0), + child: Align( + alignment: Alignment.centerLeft, + child: Text( + flowyDocs[index], + style: TextStyle(fontSize: 16.0, color: Colors.black54), + ), + ), + ), + ); + }, + itemCount: flowyDocs.length, + separatorBuilder: (context, index) => Divider(), + ), + ), + body: _editor ?? _homepageEditor(), + ); + } + + Widget _homepageEditor() { + return EditorScaffold(filename: filename); + } + + void _selectDoc(int index) { + final filename = flowyDocs[index]; + setState(() { + _editor = null; + this.filename = filename; + }); + } +} diff --git a/app_flowy/packages/flowy_editor/example/lib/main.dart b/app_flowy/packages/flowy_editor/example/lib/main.dart new file mode 100644 index 0000000000..bb88e683af --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/lib/main.dart @@ -0,0 +1,21 @@ +import 'home_screen.dart'; +import 'package:flutter/material.dart'; + +void main() { + runApp(MyApp()); +} + +class MyApp extends StatefulWidget { + @override + _MyAppState createState() => _MyAppState(); +} + +class _MyAppState extends State { + @override + Widget build(BuildContext context) { + return MaterialApp( + debugShowCheckedModeBanner: false, + home: HomeScreen(), + ); + } +} diff --git a/app_flowy/packages/flowy_editor/example/lib/widgets/editor_scaffold.dart b/app_flowy/packages/flowy_editor/example/lib/widgets/editor_scaffold.dart new file mode 100644 index 0000000000..578444db99 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/lib/widgets/editor_scaffold.dart @@ -0,0 +1,131 @@ +import 'dart:convert'; +import 'dart:io'; + +import 'package:flowy_editor/flowy_editor.dart'; +import 'package:flowy_editor/service/controller.dart'; +import 'package:flutter/material.dart'; +import 'package:flutter/services.dart'; + +class EditorScaffold extends StatefulWidget { + final String filename; + + const EditorScaffold({ + Key key, + @required this.filename, + }) : super(key: key); + + @override + _EditorScaffoldState createState() => _EditorScaffoldState(); +} + +class _EditorScaffoldState extends State { + EditorController _controller; + String _filename; + final FocusNode _focusNode = FocusNode(); + + bool _loading = false; + String errorMsg; + + @override + void dispose() { + _controller.dispose(); + super.dispose(); + } + + @override + void didChangeDependencies() { + super.didChangeDependencies(); + if (_controller == null && !_loading) { + _load(); + } + } + + @override + Widget build(BuildContext context) { + Widget body; + if (_loading) { + body = Center(child: Text('Loading...')); + } else if (_filename != widget.filename) { + _load(); + } else if (_controller == null) { + body = _zeroStateView(); + } else { + final editor = FlowyEditor( + controller: _controller, + focusNode: _focusNode, + scrollable: true, + autoFocus: false, + expands: false, + padding: EdgeInsets.symmetric(horizontal: 8.0), + readOnly: false, + scrollBottomInset: 0, + scrollController: ScrollController(), + ); + body = SafeArea( + child: Column( + mainAxisAlignment: MainAxisAlignment.spaceBetween, + children: [ + Expanded( + child: Container( + child: editor, + )), + Container( + child: FlowyToolbar.basic( + controller: _controller, + onImageSelectCallback: _onImageSelection, + ), + ), + ], + ), + ); + } + + return Scaffold( + appBar: AppBar( + elevation: 0, + title: Text(widget.filename), + ), + body: body, + ); + } + + Future _load() async { + _filename = widget.filename; + try { + final docJson = await rootBundle.loadString('assets/${widget.filename}'); + final doc = Document.fromJson(jsonDecode(docJson)); + setState(() { + _controller = EditorController( + document: doc, + selection: const TextSelection.collapsed(offset: 0), + ); + _loading = false; + }); + } catch (error) { + setState(() { + _loading = false; + errorMsg = error.toString(); + }); + } + } + + Widget _zeroStateView() { + return Container( + child: Center( + child: Column( + mainAxisAlignment: MainAxisAlignment.center, + crossAxisAlignment: CrossAxisAlignment.center, + children: [ + Icon(Icons.error, color: Colors.red), + Text('Error: ${errorMsg ?? "unknow"}'), + ], + ), + ), + ); + } + + Future _onImageSelection(File file) { + // TODO: Impl this + return Future.value(''); + } +} diff --git a/app_flowy/packages/flowy_editor/example/lib/widgets/home_drawer.dart b/app_flowy/packages/flowy_editor/example/lib/widgets/home_drawer.dart new file mode 100644 index 0000000000..ac345d51d3 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/lib/widgets/home_drawer.dart @@ -0,0 +1,49 @@ +import 'package:flutter/material.dart'; + +class HomeDrawer extends StatelessWidget { + final Widget drawer; + final Widget body; + + const HomeDrawer({ + Key key, + this.drawer, + this.body, + }) : super(key: key); + + @override + Widget build(BuildContext context) { + return LayoutBuilder( + builder: (context, constraints) { + final appBar = AppBar( + title: Text('Flowy Editor Example'), + ); + if (constraints.maxWidth < 800) { + return Scaffold( + appBar: appBar, + drawer: drawer, + body: body, + ); + } + return Scaffold( + body: Row( + crossAxisAlignment: CrossAxisAlignment.stretch, + children: [ + Container( + constraints: BoxConstraints(minWidth: 250, maxWidth: 250), + child: Column( + crossAxisAlignment: CrossAxisAlignment.stretch, + children: [ + appBar, + Expanded(child: drawer), + ], + ), + ), + VerticalDivider(width: 1.0), + Expanded(child: body), + ], + ), + ); + }, + ); + } +} diff --git a/app_flowy/packages/flowy_editor/example/macos/.gitignore b/app_flowy/packages/flowy_editor/example/macos/.gitignore new file mode 100644 index 0000000000..d2fd377230 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/.gitignore @@ -0,0 +1,6 @@ +# Flutter-related +**/Flutter/ephemeral/ +**/Pods/ + +# Xcode-related +**/xcuserdata/ diff --git a/app_flowy/packages/flowy_editor/example/macos/Flutter/Flutter-Debug.xcconfig b/app_flowy/packages/flowy_editor/example/macos/Flutter/Flutter-Debug.xcconfig new file mode 100644 index 0000000000..4b81f9b2d2 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Flutter/Flutter-Debug.xcconfig @@ -0,0 +1,2 @@ +#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig" +#include "ephemeral/Flutter-Generated.xcconfig" diff --git a/app_flowy/packages/flowy_editor/example/macos/Flutter/Flutter-Release.xcconfig b/app_flowy/packages/flowy_editor/example/macos/Flutter/Flutter-Release.xcconfig new file mode 100644 index 0000000000..5caa9d1579 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Flutter/Flutter-Release.xcconfig @@ -0,0 +1,2 @@ +#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig" +#include "ephemeral/Flutter-Generated.xcconfig" diff --git a/app_flowy/packages/flowy_editor/example/macos/Flutter/GeneratedPluginRegistrant.swift b/app_flowy/packages/flowy_editor/example/macos/Flutter/GeneratedPluginRegistrant.swift new file mode 100644 index 0000000000..047940f12f --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Flutter/GeneratedPluginRegistrant.swift @@ -0,0 +1,16 @@ +// +// Generated file. Do not edit. +// + +import FlutterMacOS +import Foundation + +import flowy_editor +import path_provider_macos +import url_launcher_macos + +func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) { + FlowyEditorPlugin.register(with: registry.registrar(forPlugin: "FlowyEditorPlugin")) + PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin")) + UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin")) +} diff --git a/app_flowy/packages/flowy_editor/example/macos/Podfile b/app_flowy/packages/flowy_editor/example/macos/Podfile new file mode 100644 index 0000000000..dade8dfad0 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Podfile @@ -0,0 +1,40 @@ +platform :osx, '10.11' + +# CocoaPods analytics sends network stats synchronously affecting flutter build latency. +ENV['COCOAPODS_DISABLE_STATS'] = 'true' + +project 'Runner', { + 'Debug' => :debug, + 'Profile' => :release, + 'Release' => :release, +} + +def flutter_root + generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'ephemeral', 'Flutter-Generated.xcconfig'), __FILE__) + unless File.exist?(generated_xcode_build_settings_path) + raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure \"flutter pub get\" is executed first" + end + + File.foreach(generated_xcode_build_settings_path) do |line| + matches = line.match(/FLUTTER_ROOT\=(.*)/) + return matches[1].strip if matches + end + raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Flutter-Generated.xcconfig, then run \"flutter pub get\"" +end + +require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root) + +flutter_macos_podfile_setup + +target 'Runner' do + use_frameworks! + use_modular_headers! + + flutter_install_all_macos_pods File.dirname(File.realpath(__FILE__)) +end + +post_install do |installer| + installer.pods_project.targets.each do |target| + flutter_additional_macos_build_settings(target) + end +end diff --git a/app_flowy/packages/flowy_editor/example/macos/Podfile.lock b/app_flowy/packages/flowy_editor/example/macos/Podfile.lock new file mode 100644 index 0000000000..9428dcb655 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Podfile.lock @@ -0,0 +1,34 @@ +PODS: + - flowy_editor (0.0.1): + - FlutterMacOS + - FlutterMacOS (1.0.0) + - path_provider_macos (0.0.1): + - FlutterMacOS + - url_launcher_macos (0.0.1): + - FlutterMacOS + +DEPENDENCIES: + - flowy_editor (from `Flutter/ephemeral/.symlinks/plugins/flowy_editor/macos`) + - FlutterMacOS (from `Flutter/ephemeral`) + - path_provider_macos (from `Flutter/ephemeral/.symlinks/plugins/path_provider_macos/macos`) + - url_launcher_macos (from `Flutter/ephemeral/.symlinks/plugins/url_launcher_macos/macos`) + +EXTERNAL SOURCES: + flowy_editor: + :path: Flutter/ephemeral/.symlinks/plugins/flowy_editor/macos + FlutterMacOS: + :path: Flutter/ephemeral + path_provider_macos: + :path: Flutter/ephemeral/.symlinks/plugins/path_provider_macos/macos + url_launcher_macos: + :path: Flutter/ephemeral/.symlinks/plugins/url_launcher_macos/macos + +SPEC CHECKSUMS: + flowy_editor: 26060a984848e6afac1f6a4455511f4114119d8d + FlutterMacOS: 57701585bf7de1b3fc2bb61f6378d73bbdea8424 + path_provider_macos: a0a3fd666cb7cd0448e936fb4abad4052961002b + url_launcher_macos: 45af3d61de06997666568a7149c1be98b41c95d4 + +PODFILE CHECKSUM: 6eac6b3292e5142cfc23bdeb71848a40ec51c14c + +COCOAPODS: 1.9.3 diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner.xcodeproj/project.pbxproj b/app_flowy/packages/flowy_editor/example/macos/Runner.xcodeproj/project.pbxproj new file mode 100644 index 0000000000..7dafd979d7 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner.xcodeproj/project.pbxproj @@ -0,0 +1,632 @@ +// !$*UTF8*$! +{ + archiveVersion = 1; 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a/app_flowy/packages/flowy_editor/example/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/app_flowy/packages/flowy_editor/example/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000000..18d981003d --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/app_flowy/packages/flowy_editor/example/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme new file mode 100644 index 0000000000..152410622c --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme @@ -0,0 +1,89 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner.xcworkspace/contents.xcworkspacedata b/app_flowy/packages/flowy_editor/example/macos/Runner.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000000..21a3cc14c7 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,10 @@ + + + + + + + diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/app_flowy/packages/flowy_editor/example/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000000..18d981003d --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner/AppDelegate.swift b/app_flowy/packages/flowy_editor/example/macos/Runner/AppDelegate.swift new file mode 100644 index 0000000000..d53ef64377 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner/AppDelegate.swift @@ -0,0 +1,9 @@ +import Cocoa +import FlutterMacOS + +@NSApplicationMain +class AppDelegate: FlutterAppDelegate { + override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool { + return true + } +} diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/app_flowy/packages/flowy_editor/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json new file mode 100644 index 0000000000..a2ec33f19f --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json @@ -0,0 +1,68 @@ +{ + "images" : [ + { + "size" : "16x16", + "idiom" : "mac", + "filename" : "app_icon_16.png", + "scale" : "1x" + }, + { + "size" : "16x16", + "idiom" : "mac", + "filename" : "app_icon_32.png", + "scale" : "2x" + }, + { + "size" : 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zl^kI0HP0wTbbh{d(>5a#;zT2_=ppef?;D4;2^}&kZjB^yl%LBJ;|> zkLc)JEg*5rpQ;_)w?PnKynWtv!@ z>}+am{@(g$KKM+e$ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner/Configs/AppInfo.xcconfig b/app_flowy/packages/flowy_editor/example/macos/Runner/Configs/AppInfo.xcconfig new file mode 100644 index 0000000000..b5323ca187 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner/Configs/AppInfo.xcconfig @@ -0,0 +1,14 @@ +// Application-level settings for the Runner target. +// +// This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the +// future. If not, the values below would default to using the project name when this becomes a +// 'flutter create' template. + +// The application's name. By default this is also the title of the Flutter window. +PRODUCT_NAME = flowy_editor_example + +// The application's bundle identifier +PRODUCT_BUNDLE_IDENTIFIER = com.plugin.flowyEditorExample + +// The copyright displayed in application information +PRODUCT_COPYRIGHT = Copyright © 2021 com.plugin. All rights reserved. diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner/Configs/Debug.xcconfig b/app_flowy/packages/flowy_editor/example/macos/Runner/Configs/Debug.xcconfig new file mode 100644 index 0000000000..36b0fd9464 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner/Configs/Debug.xcconfig @@ -0,0 +1,2 @@ +#include "../../Flutter/Flutter-Debug.xcconfig" +#include "Warnings.xcconfig" diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner/Configs/Release.xcconfig b/app_flowy/packages/flowy_editor/example/macos/Runner/Configs/Release.xcconfig new file mode 100644 index 0000000000..dff4f49561 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner/Configs/Release.xcconfig @@ -0,0 +1,2 @@ +#include "../../Flutter/Flutter-Release.xcconfig" +#include "Warnings.xcconfig" diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner/Configs/Warnings.xcconfig b/app_flowy/packages/flowy_editor/example/macos/Runner/Configs/Warnings.xcconfig new file mode 100644 index 0000000000..42bcbf4780 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner/Configs/Warnings.xcconfig @@ -0,0 +1,13 @@ +WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings +GCC_WARN_UNDECLARED_SELECTOR = YES +CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES +CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE +CLANG_WARN__DUPLICATE_METHOD_MATCH = YES +CLANG_WARN_PRAGMA_PACK = YES +CLANG_WARN_STRICT_PROTOTYPES = YES +CLANG_WARN_COMMA = YES +GCC_WARN_STRICT_SELECTOR_MATCH = YES +CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES +CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES +GCC_WARN_SHADOW = YES +CLANG_WARN_UNREACHABLE_CODE = YES diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner/DebugProfile.entitlements b/app_flowy/packages/flowy_editor/example/macos/Runner/DebugProfile.entitlements new file mode 100644 index 0000000000..dddb8a30c8 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner/DebugProfile.entitlements @@ -0,0 +1,12 @@ + + + + + com.apple.security.app-sandbox + + com.apple.security.cs.allow-jit + + com.apple.security.network.server + + + diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner/Info.plist b/app_flowy/packages/flowy_editor/example/macos/Runner/Info.plist new file mode 100644 index 0000000000..4789daa6a4 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner/Info.plist @@ -0,0 +1,32 @@ + + + + + CFBundleDevelopmentRegion + $(DEVELOPMENT_LANGUAGE) + CFBundleExecutable + $(EXECUTABLE_NAME) + CFBundleIconFile + + CFBundleIdentifier + $(PRODUCT_BUNDLE_IDENTIFIER) + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + $(PRODUCT_NAME) + CFBundlePackageType + APPL + CFBundleShortVersionString + $(FLUTTER_BUILD_NAME) + CFBundleVersion + $(FLUTTER_BUILD_NUMBER) + LSMinimumSystemVersion + $(MACOSX_DEPLOYMENT_TARGET) + NSHumanReadableCopyright + $(PRODUCT_COPYRIGHT) + NSMainNibFile + MainMenu + NSPrincipalClass + NSApplication + + diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner/MainFlutterWindow.swift b/app_flowy/packages/flowy_editor/example/macos/Runner/MainFlutterWindow.swift new file mode 100644 index 0000000000..2722837ec9 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner/MainFlutterWindow.swift @@ -0,0 +1,15 @@ +import Cocoa +import FlutterMacOS + +class MainFlutterWindow: NSWindow { + override func awakeFromNib() { + let flutterViewController = FlutterViewController.init() + let windowFrame = self.frame + self.contentViewController = flutterViewController + self.setFrame(windowFrame, display: true) + + RegisterGeneratedPlugins(registry: flutterViewController) + + super.awakeFromNib() + } +} diff --git a/app_flowy/packages/flowy_editor/example/macos/Runner/Release.entitlements b/app_flowy/packages/flowy_editor/example/macos/Runner/Release.entitlements new file mode 100644 index 0000000000..852fa1a472 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/macos/Runner/Release.entitlements @@ -0,0 +1,8 @@ + + + + + com.apple.security.app-sandbox + + + diff --git a/app_flowy/packages/flowy_editor/example/pubspec.lock b/app_flowy/packages/flowy_editor/example/pubspec.lock new file mode 100644 index 0000000000..e713df21de --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/pubspec.lock @@ -0,0 +1,385 @@ +# Generated by pub +# See https://dart.dev/tools/pub/glossary#lockfile +packages: + async: + dependency: transitive + description: + name: async + url: "https://pub.dartlang.org" + source: hosted + version: "2.6.1" + boolean_selector: + dependency: transitive + description: + name: boolean_selector + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + characters: + dependency: transitive + description: + name: characters + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + charcode: + dependency: transitive + description: + name: charcode + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + clock: + dependency: transitive + description: + name: clock + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + collection: + dependency: transitive + description: + name: collection + url: "https://pub.dartlang.org" + source: hosted + version: "1.15.0" + cupertino_icons: + dependency: "direct main" + description: + name: cupertino_icons + url: "https://pub.dartlang.org" + source: hosted + version: "1.0.2" + fake_async: + dependency: transitive + description: + name: fake_async + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + ffi: + dependency: transitive + description: + name: ffi + url: "https://pub.dartlang.org" + source: hosted + version: "1.0.0" + file: + dependency: "direct main" + description: + name: file + url: "https://pub.dartlang.org" + source: hosted + version: "6.1.0" + flowy_editor: + dependency: "direct main" + description: + path: ".." + relative: true + source: path + version: "0.0.1" + flutter: + dependency: "direct main" + description: flutter + source: sdk + version: "0.0.0" + flutter_colorpicker: + dependency: transitive + description: + name: flutter_colorpicker + url: "https://pub.dartlang.org" + source: hosted + version: "0.5.0" + flutter_keyboard_visibility: + dependency: transitive + description: + name: flutter_keyboard_visibility + url: "https://pub.dartlang.org" + source: hosted + version: "5.0.1" + flutter_keyboard_visibility_platform_interface: + dependency: transitive + description: + name: flutter_keyboard_visibility_platform_interface + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + flutter_keyboard_visibility_web: + dependency: transitive + description: + name: flutter_keyboard_visibility_web + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + flutter_test: + dependency: "direct dev" + description: flutter + source: sdk + version: "0.0.0" + flutter_web_plugins: + dependency: transitive + description: flutter + source: sdk + version: "0.0.0" + js: + dependency: transitive + description: + name: js + url: "https://pub.dartlang.org" + source: hosted + version: "0.6.3" + matcher: + dependency: transitive + description: + name: matcher + url: "https://pub.dartlang.org" + source: hosted + version: "0.12.10" + meta: + dependency: transitive + description: + name: meta + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.0" + nested: + dependency: transitive + description: + name: nested + url: "https://pub.dartlang.org" + source: hosted + version: "1.0.0" + path: + dependency: transitive + description: + name: path + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.0" + path_provider: + dependency: "direct main" + description: + name: path_provider + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.1" + path_provider_linux: + dependency: transitive + description: + name: path_provider_linux + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + path_provider_macos: + dependency: transitive + description: + name: path_provider_macos + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + path_provider_platform_interface: + dependency: transitive + description: + name: path_provider_platform_interface + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.1" + path_provider_windows: + dependency: transitive + description: + name: path_provider_windows + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.1" + pedantic: + dependency: transitive + description: + name: pedantic + url: "https://pub.dartlang.org" + source: hosted + version: "1.11.1" + photo_view: + dependency: transitive + description: + path: "." + ref: "0.11.1-bugfix.1" + resolved-ref: "2b1915d8e798d887137397ec66511a14af30dadb" + url: "git@github.com:App-Flowy/photo_view.git" + source: git + version: "0.11.1-bugfix.1" + platform: + dependency: transitive + description: + name: platform + url: "https://pub.dartlang.org" + source: hosted + version: "3.0.0" + plugin_platform_interface: + dependency: transitive + description: + name: plugin_platform_interface + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + process: + dependency: transitive + description: + name: process + url: "https://pub.dartlang.org" + source: hosted + version: "4.2.1" + provider: + dependency: "direct main" + description: + name: provider + url: "https://pub.dartlang.org" + source: hosted + version: "5.0.0" + quiver: + dependency: transitive + description: + name: quiver + url: "https://pub.dartlang.org" + source: hosted + version: "3.0.1" + quiver_hashcode: + dependency: transitive + description: + name: quiver_hashcode + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + sky_engine: + dependency: transitive + description: flutter + source: sdk + version: "0.0.99" + source_span: + dependency: transitive + description: + name: source_span + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.1" + stack_trace: + dependency: transitive + description: + name: stack_trace + url: "https://pub.dartlang.org" + source: hosted + version: "1.10.0" + stream_channel: + dependency: transitive + description: + name: stream_channel + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + string_scanner: + dependency: transitive + description: + name: string_scanner + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + string_validator: + dependency: transitive + description: + name: string_validator + url: "https://pub.dartlang.org" + source: hosted + version: "0.3.0" + term_glyph: + dependency: transitive + description: + name: term_glyph + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + test_api: + dependency: transitive + description: + name: test_api + url: "https://pub.dartlang.org" + source: hosted + version: "0.3.0" + tuple: + dependency: transitive + description: + name: tuple + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + typed_data: + dependency: transitive + description: + name: typed_data + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.0" + url_launcher: + dependency: transitive + description: + name: url_launcher + url: "https://pub.dartlang.org" + source: hosted + version: "6.0.3" + url_launcher_linux: + dependency: transitive + description: + name: url_launcher_linux + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + url_launcher_macos: + dependency: transitive + description: + name: url_launcher_macos + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + url_launcher_platform_interface: + dependency: transitive + description: + name: url_launcher_platform_interface + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.2" + url_launcher_web: + dependency: transitive + description: + name: url_launcher_web + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + url_launcher_windows: + dependency: transitive + description: + name: url_launcher_windows + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + vector_math: + dependency: transitive + description: + name: vector_math + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + win32: + dependency: transitive + description: + name: win32 + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.5" + xdg_directories: + dependency: transitive + description: + name: xdg_directories + url: "https://pub.dartlang.org" + source: hosted + version: "0.2.0" +sdks: + dart: ">=2.12.0 <3.0.0" + flutter: ">=1.22.0" diff --git a/app_flowy/packages/flowy_editor/example/pubspec.yaml b/app_flowy/packages/flowy_editor/example/pubspec.yaml new file mode 100644 index 0000000000..9b82ac182d --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/pubspec.yaml @@ -0,0 +1,74 @@ +name: flowy_editor_example +description: Demonstrates how to use the flowy_editor plugin. + +# The following line prevents the package from being accidentally published to +# pub.dev using `pub publish`. This is preferred for private packages. +publish_to: 'none' # Remove this line if you wish to publish to pub.dev + +environment: + sdk: ">=2.7.0 <3.0.0" + +dependencies: + flutter: + sdk: flutter + + file: ^6.1.0 + path_provider: ^2.0.1 + provider: ^5.0.0 + flowy_editor: + # When depending on this package from a real application you should use: + # flowy_editor: ^x.y.z + # See https://dart.dev/tools/pub/dependencies#version-constraints + # The example app is bundled with the plugin so we use a path dependency on + # the parent directory to use the current plugin's version. + path: ../ + + # The following adds the Cupertino Icons font to your application. + # Use with the CupertinoIcons class for iOS style icons. + cupertino_icons: ^1.0.2 + +dev_dependencies: + flutter_test: + sdk: flutter + +# For information on the generic Dart part of this file, see the +# following page: https://dart.dev/tools/pub/pubspec + +# The following section is specific to Flutter. +flutter: + + # The following line ensures that the Material Icons font is + # included with your application, so that you can use the icons in + # the material Icons class. + uses-material-design: true + + # To add assets to your application, add an assets section, like this: + assets: + - assets/ + # - images/a_dot_ham.jpeg + + # An image asset can refer to one or more resolution-specific "variants", see + # https://flutter.dev/assets-and-images/#resolution-aware. + + # For details regarding adding assets from package dependencies, see + # https://flutter.dev/assets-and-images/#from-packages + + # To add custom fonts to your application, add a fonts section here, + # in this "flutter" section. Each entry in this list should have a + # "family" key with the font family name, and a "fonts" key with a + # list giving the asset and other descriptors for the font. 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-0,0 +1,98 @@ + + + + + + + + + + + + + + + + + flowy_editor_example + + + + + + + diff --git a/app_flowy/packages/flowy_editor/example/web/manifest.json b/app_flowy/packages/flowy_editor/example/web/manifest.json new file mode 100644 index 0000000000..a4932b7c4d --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/web/manifest.json @@ -0,0 +1,23 @@ +{ + "name": "flowy_editor_example", + "short_name": "flowy_editor_example", + "start_url": ".", + "display": "standalone", + "background_color": "#0175C2", + "theme_color": "#0175C2", + "description": "Demonstrates how to use the flowy_editor plugin.", + "orientation": "portrait-primary", + "prefer_related_applications": false, + "icons": [ + { + "src": "icons/Icon-192.png", + "sizes": "192x192", + "type": "image/png" + }, + { + "src": "icons/Icon-512.png", + "sizes": "512x512", + "type": "image/png" + } + ] +} diff --git a/app_flowy/packages/flowy_editor/example/windows/.gitignore b/app_flowy/packages/flowy_editor/example/windows/.gitignore new file mode 100644 index 0000000000..d492d0d98c --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ephemeral/ + +# Visual Studio user-specific files. +*.suo +*.user +*.userosscache +*.sln.docstates + +# Visual Studio build-related files. +x64/ +x86/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ diff --git a/app_flowy/packages/flowy_editor/example/windows/CMakeLists.txt b/app_flowy/packages/flowy_editor/example/windows/CMakeLists.txt new file mode 100644 index 0000000000..0e3d031773 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/CMakeLists.txt @@ -0,0 +1,95 @@ +cmake_minimum_required(VERSION 3.15) +project(flowy_editor_example LANGUAGES CXX) + +set(BINARY_NAME "flowy_editor_example") + +cmake_policy(SET CMP0063 NEW) + +set(CMAKE_INSTALL_RPATH "$ORIGIN/lib") + +# Configure build options. +get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) +if(IS_MULTICONFIG) + set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release" + CACHE STRING "" FORCE) +else() + if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) + set(CMAKE_BUILD_TYPE "Debug" CACHE + STRING "Flutter build mode" FORCE) + set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS + "Debug" "Profile" "Release") + endif() +endif() + +set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}") +set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}") +set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}") +set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}") + +# Use Unicode for all projects. +add_definitions(-DUNICODE -D_UNICODE) + +# Compilation settings that should be applied to most targets. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${TARGET} PUBLIC cxx_std_17) + target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100") + target_compile_options(${TARGET} PRIVATE /EHsc) + target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0") + target_compile_definitions(${TARGET} PRIVATE "$<$:_DEBUG>") +endfunction() + +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") + +# Flutter library and tool build rules. +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# Application build +add_subdirectory("runner") + +# Generated plugin build rules, which manage building the plugins and adding +# them to the application. +include(flutter/generated_plugins.cmake) + + +# === Installation === +# Support files are copied into place next to the executable, so that it can +# run in place. This is done instead of making a separate bundle (as on Linux) +# so that building and running from within Visual Studio will work. +set(BUILD_BUNDLE_DIR "$") +# Make the "install" step default, as it's required to run. +set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1) +if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) + set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) +endif() + +set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") +set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}") + +install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) + +if(PLUGIN_BUNDLED_LIBRARIES) + install(FILES "${PLUGIN_BUNDLED_LIBRARIES}" + DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) +endif() + +# Fully re-copy the assets directory on each build to avoid having stale files +# from a previous install. +set(FLUTTER_ASSET_DIR_NAME "flutter_assets") +install(CODE " + file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") + " COMPONENT Runtime) +install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" + DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) + +# Install the AOT library on non-Debug builds only. +install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + CONFIGURATIONS Profile;Release + COMPONENT Runtime) diff --git a/app_flowy/packages/flowy_editor/example/windows/flutter/CMakeLists.txt b/app_flowy/packages/flowy_editor/example/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000000..b02c5485c9 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/flutter/CMakeLists.txt @@ -0,0 +1,103 @@ +cmake_minimum_required(VERSION 3.15) + +set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") + +# Configuration provided via flutter tool. +include(${EPHEMERAL_DIR}/generated_config.cmake) + +# TODO: Move the rest of this into files in ephemeral. See +# https://github.com/flutter/flutter/issues/57146. +set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper") + +# === Flutter Library === +set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll") + +# Published to parent scope for install step. +set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) +set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) +set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) +set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE) + +list(APPEND FLUTTER_LIBRARY_HEADERS + "flutter_export.h" + "flutter_windows.h" + "flutter_messenger.h" + "flutter_plugin_registrar.h" + "flutter_texture_registrar.h" +) +list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") +add_library(flutter INTERFACE) +target_include_directories(flutter INTERFACE + "${EPHEMERAL_DIR}" +) +target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") +add_dependencies(flutter flutter_assemble) + +# === Wrapper === +list(APPEND CPP_WRAPPER_SOURCES_CORE + "core_implementations.cc" + "standard_codec.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_PLUGIN + "plugin_registrar.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_APP + "flutter_engine.cc" + "flutter_view_controller.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/") + +# Wrapper sources needed for a plugin. +add_library(flutter_wrapper_plugin STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} +) +apply_standard_settings(flutter_wrapper_plugin) +set_target_properties(flutter_wrapper_plugin PROPERTIES + POSITION_INDEPENDENT_CODE ON) +set_target_properties(flutter_wrapper_plugin PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_link_libraries(flutter_wrapper_plugin PUBLIC flutter) +target_include_directories(flutter_wrapper_plugin PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_plugin flutter_assemble) + +# Wrapper sources needed for the runner. +add_library(flutter_wrapper_app STATIC + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_APP} +) +apply_standard_settings(flutter_wrapper_app) +target_link_libraries(flutter_wrapper_app PUBLIC flutter) +target_include_directories(flutter_wrapper_app PUBLIC + "${WRAPPER_ROOT}/include" +) +add_dependencies(flutter_wrapper_app flutter_assemble) + +# === Flutter tool backend === +# _phony_ is a non-existent file to force this command to run every time, +# since currently there's no way to get a full input/output list from the +# flutter tool. +set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_") +set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE) +add_custom_command( + OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} + ${PHONY_OUTPUT} + COMMAND ${CMAKE_COMMAND} -E env + ${FLUTTER_TOOL_ENVIRONMENT} + "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" + windows-x64 $ + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} +) diff --git a/app_flowy/packages/flowy_editor/example/windows/flutter/generated_plugin_registrant.cc b/app_flowy/packages/flowy_editor/example/windows/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000000..5de2cdb295 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/flutter/generated_plugin_registrant.cc @@ -0,0 +1,15 @@ +// +// Generated file. Do not edit. +// + +#include "generated_plugin_registrant.h" + +#include +#include + +void RegisterPlugins(flutter::PluginRegistry* registry) { + FlowyEditorPluginRegisterWithRegistrar( + registry->GetRegistrarForPlugin("FlowyEditorPlugin")); + UrlLauncherPluginRegisterWithRegistrar( + registry->GetRegistrarForPlugin("UrlLauncherPlugin")); +} diff --git a/app_flowy/packages/flowy_editor/example/windows/flutter/generated_plugin_registrant.h b/app_flowy/packages/flowy_editor/example/windows/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000000..9846246b4d --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/flutter/generated_plugin_registrant.h @@ -0,0 +1,13 @@ +// +// Generated file. Do not edit. +// + +#ifndef GENERATED_PLUGIN_REGISTRANT_ +#define GENERATED_PLUGIN_REGISTRANT_ + +#include + +// Registers Flutter plugins. +void RegisterPlugins(flutter::PluginRegistry* registry); + +#endif // GENERATED_PLUGIN_REGISTRANT_ diff --git a/app_flowy/packages/flowy_editor/example/windows/flutter/generated_plugins.cmake b/app_flowy/packages/flowy_editor/example/windows/flutter/generated_plugins.cmake new file mode 100644 index 0000000000..133f87aeaa --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/flutter/generated_plugins.cmake @@ -0,0 +1,17 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST + flowy_editor + url_launcher_windows +) + +set(PLUGIN_BUNDLED_LIBRARIES) + +foreach(plugin ${FLUTTER_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) + target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) + list(APPEND PLUGIN_BUNDLED_LIBRARIES $) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) +endforeach(plugin) diff --git a/app_flowy/packages/flowy_editor/example/windows/runner/CMakeLists.txt b/app_flowy/packages/flowy_editor/example/windows/runner/CMakeLists.txt new file mode 100644 index 0000000000..977e38b5d1 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/runner/CMakeLists.txt @@ -0,0 +1,18 @@ +cmake_minimum_required(VERSION 3.15) +project(runner LANGUAGES CXX) + +add_executable(${BINARY_NAME} WIN32 + "flutter_window.cpp" + "main.cpp" + "run_loop.cpp" + "utils.cpp" + "win32_window.cpp" + "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" + "Runner.rc" + "runner.exe.manifest" +) +apply_standard_settings(${BINARY_NAME}) +target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") +target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") +add_dependencies(${BINARY_NAME} flutter_assemble) diff --git a/app_flowy/packages/flowy_editor/example/windows/runner/Runner.rc b/app_flowy/packages/flowy_editor/example/windows/runner/Runner.rc new file mode 100644 index 0000000000..f80ad64b0f --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/runner/Runner.rc @@ -0,0 +1,121 @@ +// Microsoft Visual C++ generated resource script. +// +#pragma code_page(65001) +#include "resource.h" + +#define APSTUDIO_READONLY_SYMBOLS +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 2 resource. +// +#include "winres.h" + +///////////////////////////////////////////////////////////////////////////// +#undef APSTUDIO_READONLY_SYMBOLS + +///////////////////////////////////////////////////////////////////////////// +// English (United States) resources + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +#ifdef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// TEXTINCLUDE +// + +1 TEXTINCLUDE +BEGIN + "resource.h\0" +END + +2 TEXTINCLUDE +BEGIN + "#include ""winres.h""\r\n" + "\0" +END + +3 TEXTINCLUDE +BEGIN + "\r\n" + "\0" +END + +#endif // APSTUDIO_INVOKED + + +///////////////////////////////////////////////////////////////////////////// +// +// Icon +// + +// Icon with lowest ID value placed first to ensure application icon +// remains consistent on all systems. +IDI_APP_ICON ICON "resources\\app_icon.ico" + + +///////////////////////////////////////////////////////////////////////////// +// +// Version +// + +#ifdef FLUTTER_BUILD_NUMBER +#define VERSION_AS_NUMBER FLUTTER_BUILD_NUMBER +#else +#define VERSION_AS_NUMBER 1,0,0 +#endif + +#ifdef FLUTTER_BUILD_NAME +#define VERSION_AS_STRING #FLUTTER_BUILD_NAME +#else +#define VERSION_AS_STRING "1.0.0" +#endif + +VS_VERSION_INFO VERSIONINFO + FILEVERSION VERSION_AS_NUMBER + PRODUCTVERSION VERSION_AS_NUMBER + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +#ifdef _DEBUG + FILEFLAGS VS_FF_DEBUG +#else + FILEFLAGS 0x0L +#endif + FILEOS VOS__WINDOWS32 + FILETYPE VFT_APP + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904e4" + BEGIN + VALUE "CompanyName", "com.plugin" "\0" + VALUE "FileDescription", "Demonstrates how to use the flowy_editor plugin." "\0" + VALUE "FileVersion", VERSION_AS_STRING "\0" + VALUE "InternalName", "flowy_editor_example" "\0" + VALUE "LegalCopyright", "Copyright (C) 2021 com.plugin. All rights reserved." "\0" + VALUE "OriginalFilename", "flowy_editor_example.exe" "\0" + VALUE "ProductName", "flowy_editor_example" "\0" + VALUE "ProductVersion", VERSION_AS_STRING "\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1252 + END +END + +#endif // English (United States) resources +///////////////////////////////////////////////////////////////////////////// + + + +#ifndef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 3 resource. +// + + +///////////////////////////////////////////////////////////////////////////// +#endif // not APSTUDIO_INVOKED diff --git a/app_flowy/packages/flowy_editor/example/windows/runner/flutter_window.cpp b/app_flowy/packages/flowy_editor/example/windows/runner/flutter_window.cpp new file mode 100644 index 0000000000..c422723045 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/runner/flutter_window.cpp @@ -0,0 +1,64 @@ +#include "flutter_window.h" + +#include + +#include "flutter/generated_plugin_registrant.h" + +FlutterWindow::FlutterWindow(RunLoop* run_loop, + const flutter::DartProject& project) + : run_loop_(run_loop), project_(project) {} + +FlutterWindow::~FlutterWindow() {} + +bool FlutterWindow::OnCreate() { + if (!Win32Window::OnCreate()) { + return false; + } + + RECT frame = GetClientArea(); + + // The size here must match the window dimensions to avoid unnecessary surface + // creation / destruction in the startup path. + flutter_controller_ = std::make_unique( + frame.right - frame.left, frame.bottom - frame.top, project_); + // Ensure that basic setup of the controller was successful. + if (!flutter_controller_->engine() || !flutter_controller_->view()) { + return false; + } + RegisterPlugins(flutter_controller_->engine()); + run_loop_->RegisterFlutterInstance(flutter_controller_->engine()); + SetChildContent(flutter_controller_->view()->GetNativeWindow()); + return true; +} + +void FlutterWindow::OnDestroy() { + if (flutter_controller_) { + run_loop_->UnregisterFlutterInstance(flutter_controller_->engine()); + flutter_controller_ = nullptr; + } + + Win32Window::OnDestroy(); +} + +LRESULT +FlutterWindow::MessageHandler(HWND hwnd, UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept { + // Give Flutter, including plugins, an opporutunity to handle window messages. + if (flutter_controller_) { + std::optional result = + flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam, + lparam); + if (result) { + return *result; + } + } + + switch (message) { + case WM_FONTCHANGE: + flutter_controller_->engine()->ReloadSystemFonts(); + break; + } + + return Win32Window::MessageHandler(hwnd, message, wparam, lparam); +} diff --git a/app_flowy/packages/flowy_editor/example/windows/runner/flutter_window.h b/app_flowy/packages/flowy_editor/example/windows/runner/flutter_window.h new file mode 100644 index 0000000000..b663ddd501 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/runner/flutter_window.h @@ -0,0 +1,39 @@ +#ifndef RUNNER_FLUTTER_WINDOW_H_ +#define RUNNER_FLUTTER_WINDOW_H_ + +#include +#include + +#include + +#include "run_loop.h" +#include "win32_window.h" + +// A window that does nothing but host a Flutter view. +class FlutterWindow : public Win32Window { + public: + // Creates a new FlutterWindow driven by the |run_loop|, hosting a + // Flutter view running |project|. + explicit FlutterWindow(RunLoop* run_loop, + const flutter::DartProject& project); + virtual ~FlutterWindow(); + + protected: + // Win32Window: + bool OnCreate() override; + void OnDestroy() override; + LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, + LPARAM const lparam) noexcept override; + + private: + // The run loop driving events for this window. + RunLoop* run_loop_; + + // The project to run. + flutter::DartProject project_; + + // The Flutter instance hosted by this window. + std::unique_ptr flutter_controller_; +}; + +#endif // RUNNER_FLUTTER_WINDOW_H_ diff --git a/app_flowy/packages/flowy_editor/example/windows/runner/main.cpp b/app_flowy/packages/flowy_editor/example/windows/runner/main.cpp new file mode 100644 index 0000000000..a5de5cb6ef --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/runner/main.cpp @@ -0,0 +1,42 @@ +#include +#include +#include + +#include "flutter_window.h" +#include "run_loop.h" +#include "utils.h" + +int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev, + _In_ wchar_t *command_line, _In_ int show_command) { + // Attach to console when present (e.g., 'flutter run') or create a + // new console when running with a debugger. + if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) { + CreateAndAttachConsole(); + } + + // Initialize COM, so that it is available for use in the library and/or + // plugins. + ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED); + + RunLoop run_loop; + + flutter::DartProject project(L"data"); + + std::vector command_line_arguments = + GetCommandLineArguments(); + + project.set_dart_entrypoint_arguments(std::move(command_line_arguments)); + + FlutterWindow window(&run_loop, project); + Win32Window::Point origin(10, 10); + Win32Window::Size size(1280, 720); + if (!window.CreateAndShow(L"flowy_editor_example", origin, size)) { + return EXIT_FAILURE; + } + window.SetQuitOnClose(true); + + run_loop.Run(); + + ::CoUninitialize(); + return EXIT_SUCCESS; +} diff --git a/app_flowy/packages/flowy_editor/example/windows/runner/resource.h b/app_flowy/packages/flowy_editor/example/windows/runner/resource.h new file mode 100644 index 0000000000..66a65d1e4a --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/runner/resource.h @@ -0,0 +1,16 @@ +//{{NO_DEPENDENCIES}} +// Microsoft Visual C++ generated include file. +// Used by Runner.rc +// +#define IDI_APP_ICON 101 + +// Next default values for new objects +// +#ifdef APSTUDIO_INVOKED 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+RunLoop::~RunLoop() {} + +void RunLoop::Run() { + bool keep_running = true; + TimePoint next_flutter_event_time = TimePoint::clock::now(); + while (keep_running) { + std::chrono::nanoseconds wait_duration = + std::max(std::chrono::nanoseconds(0), + next_flutter_event_time - TimePoint::clock::now()); + ::MsgWaitForMultipleObjects( + 0, nullptr, FALSE, static_cast(wait_duration.count() / 1000), + QS_ALLINPUT); + bool processed_events = false; + MSG message; + // All pending Windows messages must be processed; MsgWaitForMultipleObjects + // won't return again for items left in the queue after PeekMessage. + while (::PeekMessage(&message, nullptr, 0, 0, PM_REMOVE)) { + processed_events = true; + if (message.message == WM_QUIT) { + keep_running = false; + break; + } + ::TranslateMessage(&message); + ::DispatchMessage(&message); + // Allow Flutter to process messages each time a Windows message is + // processed, to prevent starvation. + next_flutter_event_time = + std::min(next_flutter_event_time, ProcessFlutterMessages()); + } + // If the PeekMessage loop didn't run, process Flutter messages. + if (!processed_events) { + next_flutter_event_time = + std::min(next_flutter_event_time, ProcessFlutterMessages()); + } + } +} + +void RunLoop::RegisterFlutterInstance( + flutter::FlutterEngine* flutter_instance) { + flutter_instances_.insert(flutter_instance); +} + +void RunLoop::UnregisterFlutterInstance( + flutter::FlutterEngine* flutter_instance) { + flutter_instances_.erase(flutter_instance); +} + +RunLoop::TimePoint RunLoop::ProcessFlutterMessages() { + TimePoint next_event_time = TimePoint::max(); + for (auto instance : flutter_instances_) { + std::chrono::nanoseconds wait_duration = instance->ProcessMessages(); + if (wait_duration != std::chrono::nanoseconds::max()) { + next_event_time = + std::min(next_event_time, TimePoint::clock::now() + wait_duration); + } + } + return next_event_time; +} diff --git a/app_flowy/packages/flowy_editor/example/windows/runner/run_loop.h b/app_flowy/packages/flowy_editor/example/windows/runner/run_loop.h new file mode 100644 index 0000000000..000d362463 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/runner/run_loop.h @@ -0,0 +1,40 @@ +#ifndef RUNNER_RUN_LOOP_H_ +#define RUNNER_RUN_LOOP_H_ + +#include + +#include +#include + +// A runloop that will service events for Flutter instances as well +// as native messages. +class RunLoop { + public: + RunLoop(); + ~RunLoop(); + + // Prevent copying + RunLoop(RunLoop const&) = delete; + RunLoop& operator=(RunLoop const&) = delete; + + // Runs the run loop until the application quits. + void Run(); + + // Registers the given Flutter instance for event servicing. + void RegisterFlutterInstance( + flutter::FlutterEngine* flutter_instance); + + // Unregisters the given Flutter instance from event servicing. + void UnregisterFlutterInstance( + flutter::FlutterEngine* flutter_instance); + + private: + using TimePoint = std::chrono::steady_clock::time_point; + + // Processes all currently pending messages for registered Flutter instances. + TimePoint ProcessFlutterMessages(); + + std::set flutter_instances_; +}; + +#endif // RUNNER_RUN_LOOP_H_ diff --git a/app_flowy/packages/flowy_editor/example/windows/runner/runner.exe.manifest b/app_flowy/packages/flowy_editor/example/windows/runner/runner.exe.manifest new file mode 100644 index 0000000000..c977c4a425 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/runner/runner.exe.manifest @@ -0,0 +1,20 @@ + + + + + PerMonitorV2 + + + + + + + + + + + + + + + diff --git a/app_flowy/packages/flowy_editor/example/windows/runner/utils.cpp b/app_flowy/packages/flowy_editor/example/windows/runner/utils.cpp new file mode 100644 index 0000000000..d19bdbbcc3 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/runner/utils.cpp @@ -0,0 +1,64 @@ +#include "utils.h" + +#include +#include +#include +#include + +#include + +void CreateAndAttachConsole() { + if (::AllocConsole()) { + FILE *unused; + if (freopen_s(&unused, "CONOUT$", "w", stdout)) { + _dup2(_fileno(stdout), 1); + } + if (freopen_s(&unused, "CONOUT$", "w", stderr)) { + _dup2(_fileno(stdout), 2); + } + std::ios::sync_with_stdio(); + FlutterDesktopResyncOutputStreams(); + } +} + +std::vector GetCommandLineArguments() { + // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use. + int argc; + wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc); + if (argv == nullptr) { + return std::vector(); + } + + std::vector command_line_arguments; + + // Skip the first argument as it's the binary name. + for (int i = 1; i < argc; i++) { + command_line_arguments.push_back(Utf8FromUtf16(argv[i])); + } + + ::LocalFree(argv); + + return command_line_arguments; +} + +std::string Utf8FromUtf16(const wchar_t* utf16_string) { + if (utf16_string == nullptr) { + return std::string(); + } + int target_length = ::WideCharToMultiByte( + CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, + -1, nullptr, 0, nullptr, nullptr); + if (target_length == 0) { + return std::string(); + } + std::string utf8_string; + utf8_string.resize(target_length); + int converted_length = ::WideCharToMultiByte( + CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, + -1, utf8_string.data(), + target_length, nullptr, nullptr); + if (converted_length == 0) { + return std::string(); + } + return utf8_string; +} diff --git a/app_flowy/packages/flowy_editor/example/windows/runner/utils.h b/app_flowy/packages/flowy_editor/example/windows/runner/utils.h new file mode 100644 index 0000000000..3879d54755 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/runner/utils.h @@ -0,0 +1,19 @@ +#ifndef RUNNER_UTILS_H_ +#define RUNNER_UTILS_H_ + +#include +#include + +// Creates a console for the process, and redirects stdout and stderr to +// it for both the runner and the Flutter library. +void CreateAndAttachConsole(); + +// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string +// encoded in UTF-8. Returns an empty std::string on failure. +std::string Utf8FromUtf16(const wchar_t* utf16_string); + +// Gets the command line arguments passed in as a std::vector, +// encoded in UTF-8. Returns an empty std::vector on failure. +std::vector GetCommandLineArguments(); + +#endif // RUNNER_UTILS_H_ diff --git a/app_flowy/packages/flowy_editor/example/windows/runner/win32_window.cpp b/app_flowy/packages/flowy_editor/example/windows/runner/win32_window.cpp new file mode 100644 index 0000000000..c10f08dc7d --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/runner/win32_window.cpp @@ -0,0 +1,245 @@ +#include "win32_window.h" + +#include + +#include "resource.h" + +namespace { + +constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW"; + +// The number of Win32Window objects that currently exist. +static int g_active_window_count = 0; + +using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd); + +// Scale helper to convert logical scaler values to physical using passed in +// scale factor +int Scale(int source, double scale_factor) { + return static_cast(source * scale_factor); +} + +// Dynamically loads the |EnableNonClientDpiScaling| from the User32 module. +// This API is only needed for PerMonitor V1 awareness mode. +void EnableFullDpiSupportIfAvailable(HWND hwnd) { + HMODULE user32_module = LoadLibraryA("User32.dll"); + if (!user32_module) { + return; + } + auto enable_non_client_dpi_scaling = + reinterpret_cast( + GetProcAddress(user32_module, "EnableNonClientDpiScaling")); + if (enable_non_client_dpi_scaling != nullptr) { + enable_non_client_dpi_scaling(hwnd); + FreeLibrary(user32_module); + } +} + +} // namespace + +// Manages the Win32Window's window class registration. +class WindowClassRegistrar { + public: + ~WindowClassRegistrar() = default; + + // Returns the singleton registar instance. + static WindowClassRegistrar* GetInstance() { + if (!instance_) { + instance_ = new WindowClassRegistrar(); + } + return instance_; + } + + // Returns the name of the window class, registering the class if it hasn't + // previously been registered. + const wchar_t* GetWindowClass(); + + // Unregisters the window class. Should only be called if there are no + // instances of the window. + void UnregisterWindowClass(); + + private: + WindowClassRegistrar() = default; + + static WindowClassRegistrar* instance_; + + bool class_registered_ = false; +}; + +WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr; + +const wchar_t* WindowClassRegistrar::GetWindowClass() { + if (!class_registered_) { + WNDCLASS window_class{}; + window_class.hCursor = LoadCursor(nullptr, IDC_ARROW); + window_class.lpszClassName = kWindowClassName; + window_class.style = CS_HREDRAW | CS_VREDRAW; + window_class.cbClsExtra = 0; + window_class.cbWndExtra = 0; + window_class.hInstance = GetModuleHandle(nullptr); + window_class.hIcon = + LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON)); + window_class.hbrBackground = 0; + window_class.lpszMenuName = nullptr; + window_class.lpfnWndProc = Win32Window::WndProc; + RegisterClass(&window_class); + class_registered_ = true; + } + return kWindowClassName; +} + +void WindowClassRegistrar::UnregisterWindowClass() { + UnregisterClass(kWindowClassName, nullptr); + class_registered_ = false; +} + +Win32Window::Win32Window() { + ++g_active_window_count; +} + +Win32Window::~Win32Window() { + --g_active_window_count; + Destroy(); +} + +bool Win32Window::CreateAndShow(const std::wstring& title, + const Point& origin, + const Size& size) { + Destroy(); + + const wchar_t* window_class = + WindowClassRegistrar::GetInstance()->GetWindowClass(); + + const POINT target_point = {static_cast(origin.x), + static_cast(origin.y)}; + HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST); + UINT dpi = FlutterDesktopGetDpiForMonitor(monitor); + double scale_factor = dpi / 96.0; + + HWND window = CreateWindow( + window_class, title.c_str(), WS_OVERLAPPEDWINDOW | WS_VISIBLE, + Scale(origin.x, scale_factor), Scale(origin.y, scale_factor), + Scale(size.width, scale_factor), Scale(size.height, scale_factor), + nullptr, nullptr, GetModuleHandle(nullptr), this); + + if (!window) { + return false; + } + + return OnCreate(); +} + +// static +LRESULT CALLBACK Win32Window::WndProc(HWND const window, + UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept { + if (message == WM_NCCREATE) { + auto window_struct = reinterpret_cast(lparam); + SetWindowLongPtr(window, GWLP_USERDATA, + reinterpret_cast(window_struct->lpCreateParams)); + + auto that = static_cast(window_struct->lpCreateParams); + EnableFullDpiSupportIfAvailable(window); + that->window_handle_ = window; + } else if (Win32Window* that = GetThisFromHandle(window)) { + return that->MessageHandler(window, message, wparam, lparam); + } + + return DefWindowProc(window, message, wparam, lparam); +} + +LRESULT +Win32Window::MessageHandler(HWND hwnd, + UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept { + switch (message) { + case WM_DESTROY: + window_handle_ = nullptr; + Destroy(); + if (quit_on_close_) { + PostQuitMessage(0); + } + return 0; + + case WM_DPICHANGED: { + auto newRectSize = reinterpret_cast(lparam); + LONG newWidth = newRectSize->right - newRectSize->left; + LONG newHeight = newRectSize->bottom - newRectSize->top; + + SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth, + newHeight, SWP_NOZORDER | SWP_NOACTIVATE); + + return 0; + } + case WM_SIZE: { + RECT rect = GetClientArea(); + if (child_content_ != nullptr) { + // Size and position the child window. + MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left, + rect.bottom - rect.top, TRUE); + } + return 0; + } + + case WM_ACTIVATE: + if (child_content_ != nullptr) { + SetFocus(child_content_); + } + return 0; + } + + return DefWindowProc(window_handle_, message, wparam, lparam); +} + +void Win32Window::Destroy() { + OnDestroy(); + + if (window_handle_) { + DestroyWindow(window_handle_); + window_handle_ = nullptr; + } + if (g_active_window_count == 0) { + WindowClassRegistrar::GetInstance()->UnregisterWindowClass(); + } +} + +Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept { + return reinterpret_cast( + GetWindowLongPtr(window, GWLP_USERDATA)); +} + +void Win32Window::SetChildContent(HWND content) { + child_content_ = content; + SetParent(content, window_handle_); + RECT frame = GetClientArea(); + + MoveWindow(content, frame.left, frame.top, frame.right - frame.left, + frame.bottom - frame.top, true); + + SetFocus(child_content_); +} + +RECT Win32Window::GetClientArea() { + RECT frame; + GetClientRect(window_handle_, &frame); + return frame; +} + +HWND Win32Window::GetHandle() { + return window_handle_; +} + +void Win32Window::SetQuitOnClose(bool quit_on_close) { + quit_on_close_ = quit_on_close; +} + +bool Win32Window::OnCreate() { + // No-op; provided for subclasses. + return true; +} + +void Win32Window::OnDestroy() { + // No-op; provided for subclasses. +} diff --git a/app_flowy/packages/flowy_editor/example/windows/runner/win32_window.h b/app_flowy/packages/flowy_editor/example/windows/runner/win32_window.h new file mode 100644 index 0000000000..17ba431125 --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/windows/runner/win32_window.h @@ -0,0 +1,98 @@ +#ifndef RUNNER_WIN32_WINDOW_H_ +#define RUNNER_WIN32_WINDOW_H_ + +#include + +#include +#include +#include + +// A class abstraction for a high DPI-aware Win32 Window. Intended to be +// inherited from by classes that wish to specialize with custom +// rendering and input handling +class Win32Window { + public: + struct Point { + unsigned int x; + unsigned int y; + Point(unsigned int x, unsigned int y) : x(x), y(y) {} + }; + + struct Size { + unsigned int width; + unsigned int height; + Size(unsigned int width, unsigned int height) + : width(width), height(height) {} + }; + + Win32Window(); + virtual ~Win32Window(); + + // Creates and shows a win32 window with |title| and position and size using + // |origin| and |size|. New windows are created on the default monitor. Window + // sizes are specified to the OS in physical pixels, hence to ensure a + // consistent size to will treat the width height passed in to this function + // as logical pixels and scale to appropriate for the default monitor. Returns + // true if the window was created successfully. + bool CreateAndShow(const std::wstring& title, + const Point& origin, + const Size& size); + + // Release OS resources associated with window. + void Destroy(); + + // Inserts |content| into the window tree. + void SetChildContent(HWND content); + + // Returns the backing Window handle to enable clients to set icon and other + // window properties. Returns nullptr if the window has been destroyed. + HWND GetHandle(); + + // If true, closing this window will quit the application. + void SetQuitOnClose(bool quit_on_close); + + // Return a RECT representing the bounds of the current client area. + RECT GetClientArea(); + + protected: + // Processes and route salient window messages for mouse handling, + // size change and DPI. Delegates handling of these to member overloads that + // inheriting classes can handle. + virtual LRESULT MessageHandler(HWND window, + UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept; + + // Called when CreateAndShow is called, allowing subclass window-related + // setup. Subclasses should return false if setup fails. + virtual bool OnCreate(); + + // Called when Destroy is called. + virtual void OnDestroy(); + + private: + friend class WindowClassRegistrar; + + // OS callback called by message pump. Handles the WM_NCCREATE message which + // is passed when the non-client area is being created and enables automatic + // non-client DPI scaling so that the non-client area automatically + // responsponds to changes in DPI. All other messages are handled by + // MessageHandler. + static LRESULT CALLBACK WndProc(HWND const window, + UINT const message, + WPARAM const wparam, + LPARAM const lparam) noexcept; + + // Retrieves a class instance pointer for |window| + static Win32Window* GetThisFromHandle(HWND const window) noexcept; + + bool quit_on_close_ = false; + + // window handle for top level window. + HWND window_handle_ = nullptr; + + // window handle for hosted content. + HWND child_content_ = nullptr; +}; + +#endif // RUNNER_WIN32_WINDOW_H_ diff --git a/app_flowy/packages/flowy_editor/ios/.gitignore b/app_flowy/packages/flowy_editor/ios/.gitignore new file mode 100644 index 0000000000..aa479fd3ce --- /dev/null +++ b/app_flowy/packages/flowy_editor/ios/.gitignore @@ -0,0 +1,37 @@ +.idea/ +.vagrant/ +.sconsign.dblite +.svn/ + +.DS_Store +*.swp +profile + +DerivedData/ +build/ +GeneratedPluginRegistrant.h +GeneratedPluginRegistrant.m + +.generated/ + +*.pbxuser +*.mode1v3 +*.mode2v3 +*.perspectivev3 + +!default.pbxuser +!default.mode1v3 +!default.mode2v3 +!default.perspectivev3 + +xcuserdata + +*.moved-aside + +*.pyc +*sync/ +Icon? +.tags* + +/Flutter/Generated.xcconfig +/Flutter/flutter_export_environment.sh \ No newline at end of file diff --git a/app_flowy/packages/flowy_editor/ios/Assets/.gitkeep b/app_flowy/packages/flowy_editor/ios/Assets/.gitkeep new file mode 100644 index 0000000000..e69de29bb2 diff --git a/app_flowy/packages/flowy_editor/ios/Classes/FlowyEditorPlugin.h b/app_flowy/packages/flowy_editor/ios/Classes/FlowyEditorPlugin.h new file mode 100644 index 0000000000..507d758742 --- /dev/null +++ b/app_flowy/packages/flowy_editor/ios/Classes/FlowyEditorPlugin.h @@ -0,0 +1,4 @@ +#import + +@interface FlowyEditorPlugin : NSObject +@end diff --git a/app_flowy/packages/flowy_editor/ios/Classes/FlowyEditorPlugin.m b/app_flowy/packages/flowy_editor/ios/Classes/FlowyEditorPlugin.m new file mode 100644 index 0000000000..0b1c881d06 --- /dev/null +++ b/app_flowy/packages/flowy_editor/ios/Classes/FlowyEditorPlugin.m @@ -0,0 +1,15 @@ +#import "FlowyEditorPlugin.h" +#if __has_include() +#import +#else +// Support project import fallback if the generated compatibility header +// is not copied when this plugin is created as a library. +// https://forums.swift.org/t/swift-static-libraries-dont-copy-generated-objective-c-header/19816 +#import "flowy_editor-Swift.h" +#endif + +@implementation FlowyEditorPlugin ++ (void)registerWithRegistrar:(NSObject*)registrar { + [SwiftFlowyEditorPlugin registerWithRegistrar:registrar]; +} +@end diff --git a/app_flowy/packages/flowy_editor/ios/Classes/SwiftFlowyEditorPlugin.swift b/app_flowy/packages/flowy_editor/ios/Classes/SwiftFlowyEditorPlugin.swift new file mode 100644 index 0000000000..f72f23f7fc --- /dev/null +++ b/app_flowy/packages/flowy_editor/ios/Classes/SwiftFlowyEditorPlugin.swift @@ -0,0 +1,14 @@ +import Flutter +import UIKit + +public class SwiftFlowyEditorPlugin: NSObject, FlutterPlugin { + public static func register(with registrar: FlutterPluginRegistrar) { + let channel = FlutterMethodChannel(name: "flowy_editor", binaryMessenger: registrar.messenger()) + let instance = SwiftFlowyEditorPlugin() + registrar.addMethodCallDelegate(instance, channel: channel) + } + + public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) { + result("iOS " + UIDevice.current.systemVersion) + } +} diff --git a/app_flowy/packages/flowy_editor/ios/flowy_editor.podspec b/app_flowy/packages/flowy_editor/ios/flowy_editor.podspec new file mode 100644 index 0000000000..9dd96c52ff --- /dev/null +++ b/app_flowy/packages/flowy_editor/ios/flowy_editor.podspec @@ -0,0 +1,23 @@ +# +# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html. +# Run `pod lib lint flowy_editor.podspec` to validate before publishing. +# +Pod::Spec.new do |s| + s.name = 'flowy_editor' + s.version = '0.0.1' + s.summary = 'A new flutter plugin project.' + s.description = <<-DESC +A new flutter plugin project. + DESC + s.homepage = 'http://example.com' + s.license = { :file => '../LICENSE' } + s.author = { 'Your Company' => 'email@example.com' } + s.source = { :path => '.' } + s.source_files = 'Classes/**/*' + s.dependency 'Flutter' + s.platform = :ios, '8.0' + + # Flutter.framework does not contain a i386 slice. + s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' } + s.swift_version = '5.0' +end diff --git a/app_flowy/packages/flowy_editor/lib/flowy_editor.dart b/app_flowy/packages/flowy_editor/lib/flowy_editor.dart new file mode 100644 index 0000000000..149aacb879 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/flowy_editor.dart @@ -0,0 +1,8 @@ +library flowy_editor; + +export 'widget/editor.dart'; +export 'widget/builder.dart'; +export 'widget/toolbar.dart'; +export 'widget/flowy_toolbar.dart'; +export 'service/style.dart'; +export 'model/document/document.dart'; diff --git a/app_flowy/packages/flowy_editor/lib/flowy_editor_web.dart b/app_flowy/packages/flowy_editor/lib/flowy_editor_web.dart new file mode 100644 index 0000000000..6d854f4da5 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/flowy_editor_web.dart @@ -0,0 +1,44 @@ +import 'dart:async'; +// In order to *not* need this ignore, consider extracting the "web" version +// of your plugin as a separate package, instead of inlining it in the same +// package as the core of your plugin. +// ignore: avoid_web_libraries_in_flutter +import 'dart:html' as html show window; + +import 'package:flutter/services.dart'; +import 'package:flutter_web_plugins/flutter_web_plugins.dart'; + +/// A web implementation of the FlowyEditor plugin. +class FlowyEditorWeb { + static void registerWith(Registrar registrar) { + final channel = MethodChannel( + 'flowy_editor', + const StandardMethodCodec(), + registrar, + ); + + final pluginInstance = FlowyEditorWeb(); + channel.setMethodCallHandler(pluginInstance.handleMethodCall); + } + + /// Handles method calls over the MethodChannel of this plugin. + /// Note: Check the "federated" architecture for a new way of doing this: + /// https://flutter.dev/go/federated-plugins + Future handleMethodCall(MethodCall call) async { + switch (call.method) { + case 'getPlatformVersion': + return getPlatformVersion(); + default: + throw PlatformException( + code: 'Unimplemented', + details: 'flowy_editor for web doesn\'t implement \'${call.method}\'', + ); + } + } + + /// Returns a [String] containing the version of the platform. + Future getPlatformVersion() { + final version = html.window.navigator.userAgent; + return Future.value(version); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/model/document/attribute.dart b/app_flowy/packages/flowy_editor/lib/model/document/attribute.dart new file mode 100644 index 0000000000..92874a2b85 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/document/attribute.dart @@ -0,0 +1,296 @@ +import 'package:quiver/core.dart'; + +enum AttributeScope { + INLINE, // refer to https://quilljs.com/docs/formats/#inline + BLOCK, // refer to https://quilljs.com/docs/formats/#block + EMBEDS, // refer to https://quilljs.com/docs/formats/#embeds + IGNORE, // attributes that can be ignored +} + +class Attribute { + Attribute(this.key, this.scope, this.value); + + final String key; + final AttributeScope scope; + final T value; + + static final Map _registry = { + Attribute.bold.key: Attribute.bold, + Attribute.italic.key: Attribute.italic, + Attribute.underline.key: Attribute.underline, + Attribute.strikeThrough.key: Attribute.strikeThrough, + Attribute.font.key: Attribute.font, + Attribute.size.key: Attribute.size, + Attribute.link.key: Attribute.link, + Attribute.color.key: Attribute.color, + Attribute.background.key: Attribute.background, + Attribute.placeholder.key: Attribute.placeholder, + Attribute.header.key: Attribute.header, + Attribute.indent.key: Attribute.indent, + Attribute.align.key: Attribute.align, + Attribute.list.key: Attribute.list, + Attribute.codeBlock.key: Attribute.codeBlock, + Attribute.quoteBlock.key: Attribute.quoteBlock, + Attribute.width.key: Attribute.width, + Attribute.height.key: Attribute.height, + Attribute.style.key: Attribute.style, + Attribute.token.key: Attribute.token, + }; + + // Attribute Properties + + static final BoldAttribute bold = BoldAttribute(); + + static final ItalicAttribute italic = ItalicAttribute(); + + static final UnderlineAttribute underline = UnderlineAttribute(); + + static final StrikeThroughAttribute strikeThrough = StrikeThroughAttribute(); + + static final FontAttribute font = FontAttribute(null); + + static final SizeAttribute size = SizeAttribute(null); + + static final LinkAttribute link = LinkAttribute(null); + + static final ColorAttribute color = ColorAttribute(null); + + static final BackgroundAttribute background = BackgroundAttribute(null); + + static final PlaceholderAttribute placeholder = PlaceholderAttribute(); + + static final HeaderAttribute header = HeaderAttribute(); + + static final IndentAttribute indent = IndentAttribute(); + + static final AlignAttribute align = AlignAttribute(null); + + static final ListAttribute list = ListAttribute(null); + + static final CodeBlockAttribute codeBlock = CodeBlockAttribute(); + + static final QuoteBlockAttribute quoteBlock = QuoteBlockAttribute(); + + static final WidthAttribute width = WidthAttribute(null); + + static final HeightAttribute height = HeightAttribute(null); + + static final StyleAttribute style = StyleAttribute(null); + + static final TokenAttribute token = TokenAttribute(''); + + static Attribute get h1 => HeaderAttribute(level: 1); + + static Attribute get h2 => HeaderAttribute(level: 2); + + static Attribute get h3 => HeaderAttribute(level: 3); + + static Attribute get h4 => HeaderAttribute(level: 4); + + static Attribute get h5 => HeaderAttribute(level: 5); + + static Attribute get h6 => HeaderAttribute(level: 6); + + static Attribute get leftAlignment => AlignAttribute('left'); + + static Attribute get centerAlignment => AlignAttribute('center'); + + static Attribute get rightAlignment => AlignAttribute('right'); + + static Attribute get justifyAlignment => AlignAttribute('justify'); + + static Attribute get bullet => ListAttribute('bullet'); + + static Attribute get ordered => ListAttribute('ordered'); + + static Attribute get checked => ListAttribute('checked'); + + static Attribute get unchecked => ListAttribute('unchecked'); + + static Attribute get indentL1 => IndentAttribute(level: 1); + + static Attribute get indentL2 => IndentAttribute(level: 2); + + static Attribute get indentL3 => IndentAttribute(level: 3); + + static Attribute get indentL4 => IndentAttribute(level: 4); + + static Attribute get indentL5 => IndentAttribute(level: 5); + + static Attribute get indentL6 => IndentAttribute(level: 6); + + static Attribute getIndentLevel(int? level) { + switch (level) { + case 1: + return indentL1; + case 2: + return indentL2; + case 3: + return indentL3; + case 4: + return indentL4; + case 5: + return indentL5; + default: + return indentL6; + } + } + + // Keys Container + static final Set inlineKeys = { + Attribute.bold.key, + Attribute.italic.key, + Attribute.underline.key, + Attribute.strikeThrough.key, + Attribute.link.key, + Attribute.color.key, + Attribute.background.key, + Attribute.placeholder.key, + }; + + static final Set blockKeys = { + Attribute.header.key, + Attribute.indent.key, + Attribute.align.key, + Attribute.list.key, + Attribute.codeBlock.key, + Attribute.quoteBlock.key, + }; + + static final Set blockKeysExceptHeader = blockKeys + ..remove(Attribute.header.key); + + // Utils + + bool get isInline => AttributeScope.INLINE == scope; + + bool get isIgnored => AttributeScope.IGNORE == scope; + + bool get isBlockExceptHeader => blockKeysExceptHeader.contains(key); + + Map toJson() => {key: value}; + + static Attribute fromKeyValue(String key, dynamic value) { + if (!_registry.containsKey(key)) { + throw ArgumentError.value(key, 'key "$key" not found.'); + } + final origin = _registry[key]!; + final attribute = clone(origin, value); + return attribute; + } + + static Attribute clone(Attribute origin, dynamic value) { + return Attribute(origin.key, origin.scope, value); + } + + @override + bool operator ==(Object other) { + if (identical(this, other)) return true; + if (other is! Attribute) return false; + final typedOther = other; + return key == typedOther.key && + scope == typedOther.scope && + value == typedOther.value; + } + + @override + int get hashCode => hash3(key, scope, value); + + @override + String toString() { + return 'Attribute{key: $key, scope: $scope, value: $value}'; + } +} + +/* -------------------------------------------------------------------------- */ +/* Attributes Impl */ +/* -------------------------------------------------------------------------- */ + +/* --------------------------------- INLINE --------------------------------- */ + +class BoldAttribute extends Attribute { + BoldAttribute() : super('bold', AttributeScope.INLINE, true); +} + +class ItalicAttribute extends Attribute { + ItalicAttribute() : super('italic', AttributeScope.INLINE, true); +} + +class UnderlineAttribute extends Attribute { + UnderlineAttribute() : super('underline', AttributeScope.INLINE, true); +} + +class StrikeThroughAttribute extends Attribute { + StrikeThroughAttribute() + : super('strikethrough', AttributeScope.INLINE, true); +} + +class FontAttribute extends Attribute { + FontAttribute(String? value) : super('font', AttributeScope.INLINE, value); +} + +class SizeAttribute extends Attribute { + SizeAttribute(String? value) : super('size', AttributeScope.INLINE, value); +} + +class LinkAttribute extends Attribute { + LinkAttribute(String? value) : super('link', AttributeScope.INLINE, value); +} + +class ColorAttribute extends Attribute { + ColorAttribute(String? value) : super('color', AttributeScope.INLINE, value); +} + +class BackgroundAttribute extends Attribute { + BackgroundAttribute(String? value) + : super('background', AttributeScope.INLINE, value); +} + +class PlaceholderAttribute extends Attribute { + PlaceholderAttribute() : super('placeholder', AttributeScope.INLINE, true); +} + +/* ---------------------------------- BLOCK --------------------------------- */ + +class HeaderAttribute extends Attribute { + HeaderAttribute({int? level}) : super('header', AttributeScope.BLOCK, level); +} + +class IndentAttribute extends Attribute { + IndentAttribute({int? level}) : super('indent', AttributeScope.BLOCK, level); +} + +class AlignAttribute extends Attribute { + AlignAttribute(String? value) : super('align', AttributeScope.BLOCK, value); +} + +class ListAttribute extends Attribute { + ListAttribute(String? value) : super('list', AttributeScope.BLOCK, value); +} + +class CodeBlockAttribute extends Attribute { + CodeBlockAttribute() : super('code_block', AttributeScope.BLOCK, true); +} + +class QuoteBlockAttribute extends Attribute { + QuoteBlockAttribute() : super('quote_block', AttributeScope.BLOCK, true); +} + +/* --------------------------------- IGNORE --------------------------------- */ + +class WidthAttribute extends Attribute { + WidthAttribute(String? value) : super('width', AttributeScope.IGNORE, value); +} + +class HeightAttribute extends Attribute { + HeightAttribute(String? value) + : super('height', AttributeScope.IGNORE, value); +} + +class StyleAttribute extends Attribute { + StyleAttribute(String? value) : super('style', AttributeScope.IGNORE, value); +} + +class TokenAttribute extends Attribute { + TokenAttribute(String? value) : super('token', AttributeScope.IGNORE, value); +} diff --git a/app_flowy/packages/flowy_editor/lib/model/document/document.dart b/app_flowy/packages/flowy_editor/lib/model/document/document.dart new file mode 100644 index 0000000000..274f3959d4 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/document/document.dart @@ -0,0 +1,277 @@ +import 'dart:async'; + +import 'package:tuple/tuple.dart'; + +import '../quill_delta.dart'; +import '../heuristic/rule.dart'; +import '../document/style.dart'; +import 'history.dart'; +import 'attribute.dart'; +import 'node/block.dart'; +import 'node/container.dart'; +import 'node/embed.dart'; +import 'node/line.dart'; +import 'node/node.dart'; + +/// The rich text document +class Document { + Document() : _delta = Delta()..insert('\n') { + _loadDocument(_delta); + } + + Document.fromJson(List data) : _delta = _transform(Delta.fromJson(data)) { + _loadDocument(_delta); + } + + Document.fromDelta(Delta delta) : _delta = delta { + _loadDocument(_delta); + } + + /// The root node of the document tree + final Root _root = Root(); + + Root get root => _root; + + int get length => _root.length; + + Delta _delta; + + Delta toDelta() => Delta.from(_delta); + + final Rules _rules = Rules.getInstance(); + + final StreamController> _observer = + StreamController.broadcast(); + + final History _history = History(); + + Stream> get changes => _observer.stream; + + bool get hasUndo => _history.hasUndo; + + bool get hasRedo => _history.hasRedo; + + Delta insert(int index, Object? data, {int replaceLength = 0}) { + assert(index >= 0); + assert(data is String || data is Embeddable); + if (data is Embeddable) { + data = data.toJson(); + } else if ((data as String).isEmpty) { + return Delta(); + } + + final delta = _rules.apply( + RuleType.INSERT, + this, + index, + data: data, + length: replaceLength, + ); + compose(delta, ChangeSource.LOCAL); + return delta; + } + + Delta delete(int index, int length) { + assert(index >= 0 && length > 0); + final delta = _rules.apply(RuleType.DELETE, this, index, length: length); + if (delta.isNotEmpty) { + compose(delta, ChangeSource.LOCAL); + } + return delta; + } + + Delta replace(int index, int length, Object? data) { + assert(index >= 0); + assert(data is String || data is Embeddable); + + final dataIsNotEmpty = (data is String) ? data.isNotEmpty : true; + assert(dataIsNotEmpty || length > 0); + + var delta = Delta(); + + // We have to insert before applying delete rules + // Otherwise delete would be operating on stale document snapshot. + if (dataIsNotEmpty) { + delta = insert(index, data, replaceLength: length); + } + + if (length > 0) { + final deleteDelta = delete(index, length); + delta = delta.compose(deleteDelta); + } + + return delta; + } + + Delta format(int index, int length, Attribute? attribute) { + assert(index >= 0 && length >= 0 && attribute != null); + + var delta = Delta(); + + final formatDelta = _rules.apply( + RuleType.FORMAT, + this, + index, + length: length, + attribute: attribute, + ); + if (formatDelta.isNotEmpty) { + compose(formatDelta, ChangeSource.LOCAL); + delta = delta.compose(formatDelta); + } + + return delta; + } + + Style collectStyle(int index, int length) { + final res = queryChild(index); + return (res.node as Line).collectStyle(res.offset, length); + } + + ChildQuery queryChild(int offset) { + final res = _root.queryChild(offset, true); + if (res.node is Line) { + return res; + } + final block = res.node as Block; + return block.queryChild(res.offset, true); + } + + Tuple2 undo() => _history.undo(this); + + Tuple2 redo() => _history.redo(this); + + void compose(Delta delta, ChangeSource changeSource) { + assert(!_observer.isClosed); + delta.trim(); + assert(delta.isNotEmpty); + + var offset = 0; + delta = _transform(delta); + final originDelta = toDelta(); + for (final op in delta.toList()) { + final style = + op.attributes != null ? Style.fromJson(op.attributes) : null; + + if (op.isInsert) { + _root.insert(offset, _normalize(op.data), style); + } else if (op.isDelete) { + _root.delete(offset, op.length); + } else if (op.attributes != null) { + _root.retain(offset, op.length, style); + } + + if (!op.isDelete) { + offset += op.length!; + } + } + + try { + _delta = _delta.compose(delta); + } catch (e) { + throw '_delta compose failed'; + } + + if (_delta != _root.toDelta()) { + throw 'Compose failed'; + } + final change = Tuple3(originDelta, delta, changeSource); + _observer.add(change); + _history.handleDocChange(change); + } + + static Delta _transform(Delta delta) { + final res = Delta(); + final ops = delta.toList(); + for (var i = 0; i < ops.length; i++) { + final op = ops[i]; + res.push(op); + _handleImageInsert(i, ops, op, res); + } + return res; + } + + static void _handleImageInsert( + int i, List ops, Operation op, Delta res) { + final nextOpIsImage = + i + 1 < ops.length && ops[i + 1].isInsert && ops[i + 1].data is! String; + if (nextOpIsImage && !(op.data as String).endsWith('\n')) { + res.push(Operation.insert('\n')); + } + // Currently embed is equivalent to image and hence `is! String` + final opInsertImage = op.isInsert && op.data is! String; + final nextOpIsLineBreak = i + 1 < ops.length && + ops[i + 1].isInsert && + ops[i + 1].data is String && + (ops[i + 1].data as String).startsWith('\n'); + if (opInsertImage && (i + 1 == ops.length - 1 || !nextOpIsLineBreak)) { + // automatically append '\n' for image + res.push(Operation.insert('\n')); + } + } + + Object _normalize(Object? data) { + if (data is String) { + return data; + } + + if (data is Embeddable) { + return data; + } + return Embeddable.fromJson(data as Map); + } + + void close() { + _observer.close(); + _history.clear(); + } + + void _loadDocument(Delta delta) { + assert((delta.last.data as String).endsWith('\n'), + 'Delta must ends with a line break.'); + var offset = 0; + for (final op in delta.toList()) { + if (!op.isInsert) { + throw ArgumentError.value(delta, + 'Document Delta can only contain insert operations but ${op.key} found.'); + } + final style = + op.attributes != null ? Style.fromJson(op.attributes) : null; + final data = _normalize(op.data); + _root.insert(offset, data, style); + offset += op.length!; + } + final node = _root.last; + if (node is Line && + node.parent is! Block && + node.style.isEmpty && + _root.childCount > 1) { + _root.remove(node); + } + } + + bool isEmpty() { + if (root.children.length != 1) { + return false; + } + + final node = root.children.first; + if (!node.isLast) { + return false; + } + + final delta = node.toDelta(); + return delta.length == 1 && + delta.first.data == '\n' && + delta.first.key == Operation.insertKey; + } + + String toPlainText() { + return root.children.map((child) => child.toPlainText()).join(); + } +} + +enum ChangeSource { + LOCAL, + REMOTE, +} diff --git a/app_flowy/packages/flowy_editor/lib/model/document/history.dart b/app_flowy/packages/flowy_editor/lib/model/document/history.dart new file mode 100644 index 0000000000..22b287f970 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/document/history.dart @@ -0,0 +1,134 @@ +import 'package:tuple/tuple.dart'; + +import '../quill_delta.dart'; +import 'document.dart'; + +class History { + History({ + this.ignoreChange = false, + this.minRecordThreshold = 400, + this.capacity = 100, + this.userOnly = false, + this.lastRecorded = 0, + }); + + final HistoryStack stack = HistoryStack.empty(); + + bool get hasUndo => stack.undo.isNotEmpty; + + bool get hasRedo => stack.redo.isNotEmpty; + + /// used for disable redo or undo function + bool ignoreChange; + + int lastRecorded; + + /// Collaborative editing's conditions should be true + final bool userOnly; + + /// max operation count for undo + final int capacity; + + /// record delay + final int minRecordThreshold; + + void handleDocChange(Tuple3 change) { + if (ignoreChange) return; + if (!userOnly || change.item3 == ChangeSource.LOCAL) { + record(change.item2, change.item1); + } else { + transform(change.item2); + } + } + + void clear() { + stack.clear(); + } + + void record(Delta change, Delta before) { + if (change.isEmpty) return; + stack.redo.clear(); + var undoDelta = change.invert(before); + final timestamp = DateTime.now().millisecondsSinceEpoch; + + if (timestamp - lastRecorded < minRecordThreshold && + stack.undo.isNotEmpty) { + final lastDelta = stack.undo.removeLast(); + undoDelta = undoDelta.compose(lastDelta); + } else { + lastRecorded = timestamp; + } + + if (undoDelta.isEmpty) return; + stack.undo.add(undoDelta); + + if (stack.undo.length > capacity) { + stack.undo.removeAt(0); + } + } + + void transform(Delta delta) { + transformStack(stack.undo, delta); + transformStack(stack.redo, delta); + } + + void transformStack(List stack, Delta delta) { + for (var i = stack.length - 1; i >= 0; i -= 1) { + final oldDelta = stack[i]; + stack[i] = delta.transform(oldDelta, true); + delta = oldDelta.transform(delta, false); + if (stack[i].length == 0) { + stack.removeAt(i); + } + } + } + + Tuple2 undo(Document doc) { + return _change(doc, stack.undo, stack.redo); + } + + Tuple2 redo(Document doc) { + return _change(doc, stack.redo, stack.undo); + } + + Tuple2 _change(Document doc, List source, List target) { + if (source.isEmpty) { + return const Tuple2(false, 0); + } + + final delta = source.removeLast(); + // look for insert or delete + int? len = 0; + final ops = delta.toList(); + for (var i = 0; i < ops.length; i++) { + if (ops[i].key == Operation.insertKey) { + len = ops[i].length; + } else if (ops[i].key == Operation.deleteKey) { + len = ops[i].length! * -1; + } + } + final base = Delta.from(doc.toDelta()); + final inverseDelta = delta.invert(base); + target.add(inverseDelta); + lastRecorded = 0; + ignoreChange = true; + doc.compose(delta, ChangeSource.LOCAL); + ignoreChange = false; + return Tuple2(true, len); + } +} + +class HistoryStack { + HistoryStack.empty() + : undo = [], + redo = []; + + final List undo; + + final List redo; + + void clear() { + undo.clear(); + redo.clear(); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/model/document/node/block.dart b/app_flowy/packages/flowy_editor/lib/model/document/node/block.dart new file mode 100644 index 0000000000..d2624a18ff --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/document/node/block.dart @@ -0,0 +1,72 @@ +import '../../quill_delta.dart'; +import 'container.dart'; +import 'line.dart'; +import 'node.dart'; + +/// Represents a group of adjacent [Line]s with the same block style. +/// +/// Block elements are: +/// - Quoteblock +/// - Header +/// - Indent +/// - List +/// - Text Alignment +/// - Text Direction +/// - Code Block +class Block extends Container { + @override + Line get defaultChild => Line(); + + /// Creates new unmounted [Block]. + @override + Node newInstance() => Block(); + + @override + Delta toDelta() { + return children + .map((child) => child.toDelta()) + .fold(Delta(), (a, b) => a.concat(b)); + } + + @override + void adjust() { + if (isEmpty) { + final sibling = previous; + unlink(); + if (sibling != null) { + sibling.adjust(); + } + return; + } + + var block = this; + final prev = block.previous; + // merging it with previous block if style is the same + if (!block.isFirst && + block.previous is Block && + prev!.style == block.style) { + block + ..moveChildToNewParent(prev as Container?) + ..unlink(); + block = prev as Block; + } + final next = block.next; + // merging it with next block if style is the same + if (!block.isLast && block.next is Block && next!.style == block.style) { + (next as Block).moveChildToNewParent(block); + next.unlink(); + } + } + + @override + String toString() { + final block = style.attributes.toString(); + final buffer = StringBuffer(' {$block}\n'); + for (final child in children) { + final tree = child.isLast ? '└' : '├'; + buffer.write(' $tree $child'); + if (!child.isLast) buffer.writeln(); + } + return buffer.toString(); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/model/document/node/container.dart b/app_flowy/packages/flowy_editor/lib/model/document/node/container.dart new file mode 100644 index 0000000000..e336ad867d --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/document/node/container.dart @@ -0,0 +1,159 @@ +import 'dart:collection'; + +import '../style.dart'; +import 'line.dart'; +import 'node.dart'; +import 'leaf.dart'; + +/// Container can accommodate other nodes. +/// +/// Delegates insert, retain and delete operations to children nodes. For each +/// operation container looks for a child at specified index position and +/// forwards operation to that child. +/// +/// Most of the operation handling logic is implemented by [Line] and [Text]. +abstract class Container extends Node { + final LinkedList _children = LinkedList(); + + /// List of children. + LinkedList get children => _children; + + /// Returns total number of child nodes in this container. + /// + /// To get text length of this container see [length]. + int get childCount => _children.length; + + /// Returns the first child [Node]. + Node get first => _children.first; + + /// Returns the last child [Node]. + Node get last => _children.last; + + /// Returns `true` if this container has no child nodes. + bool get isEmpty => _children.isEmpty; + + /// Returns `true` if this container has at least 1 child. + bool get isNotEmpty => _children.isNotEmpty; + + /// Returns an instance of default child for this container node. + /// + /// Always returns fresh instance. + T get defaultChild; + + /// Content length of this node's children. + /// + /// To get number of children in this node use [childCount]. + @override + int get length => _children.fold(0, (curr, node) => curr + node.length); + + /// Adds [node] to the end of this container children list. + void add(T node) { + assert(node?.parent == null); + node?.parent = this; + _children.add(node as Node); + } + + /// Adds [node] to the beginning of this container children list. + void addFirst(T node) { + assert(node?.parent == null); + node?.parent = this; + _children.addFirst(node as Node); + } + + /// Removes [node] from this container. + void remove(T node) { + assert(node?.parent == this); + node?.parent = null; + _children.remove(node as Node); + } + + /// Moves children of this node to [newParent]. + void moveChildToNewParent(Container? newParent) { + if (isEmpty) return; + + final last = newParent!.isEmpty ? null : newParent.last as T?; + while (isNotEmpty) { + final child = first as T; + child?.unlink(); + newParent.add(child); + } + + /// In case [newParent] already had children we need to make sure + /// combined list is optimized. + if (last != null) last.adjust(); + } + + /// Queries the child [Node] at specified character [offset] in this container. + /// + /// The result may contain the found node or `null` if no node is found + /// at specified offset. + /// + /// [ChildQuery.offset] is set to relative offset within returned child node + /// which points at the same character position in the document as the + /// original [offset]. + ChildQuery queryChild(int offset, bool inclusive) { + if (offset < 0 || offset > length) { + return ChildQuery(null, 0); + } + + for (final child in children) { + final childLen = child.length; + if (offset < childLen || + (inclusive && offset == childLen && (child.isLast))) { + return ChildQuery(child, offset); + } + offset -= childLen; + } + return ChildQuery(null, 0); + } + + @override + void insert(int index, Object data, Style? style) { + assert(index == 0 || (index > 0 && index < length)); + + if (isNotEmpty) { + final child = queryChild(index, false); + child.node!.insert(child.offset, data, style); + return; + } + + // empty + assert(index == 0); + final node = defaultChild; + add(node); + node?.insert(index, data, style); + } + + @override + void retain(int index, int? length, Style? attributes) { + assert(isNotEmpty); + final child = queryChild(index, false); + child.node!.retain(child.offset, length, attributes); + } + + @override + void delete(int index, int? length) { + assert(isNotEmpty); + final child = queryChild(index, false); + child.node!.delete(child.offset, length); + } + + @override + String toPlainText() => children.map((child) => child.toPlainText()).join(); + + @override + String toString() => _children.join('\n'); +} + +/// Result of a child query in a [Container]. +class ChildQuery { + ChildQuery(this.node, this.offset); + + /// The child node if found, otherwise `null`. + final Node? node; + + /// Starting offset within the child [node] which points at the same + /// character in the document as the original offset passed to + /// [Container.queryChild] method. + final int offset; +} diff --git a/app_flowy/packages/flowy_editor/lib/model/document/node/embed.dart b/app_flowy/packages/flowy_editor/lib/model/document/node/embed.dart new file mode 100644 index 0000000000..f49b676c87 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/document/node/embed.dart @@ -0,0 +1,36 @@ +/// An object which can be embedded into a Quill document. +/// +/// See also: +/// +/// * [BlockEmbed] which represents a block embed. +class Embeddable { + Map toJson() => {type: data}; + + static Embeddable fromJson(Map json) { + final mp = Map.from(json); + assert(mp.length == 1, 'Embeddable map has one key'); + return BlockEmbed(mp.keys.first, mp.values.first); + } + + /// The type of this object. + final String type; + + /// The data payload of this object + final dynamic data; + + Embeddable(this.type, this.data); +} + +/// An object which occupies an entire line in a document and cannot co-exist +/// inline with regular text. +/// +/// There are two built-in embed types supported by Quill documents, however +/// the document model itself does not make any assumptions about the types +/// of embedded objects and allows users to define their own types. +class BlockEmbed extends Embeddable { + BlockEmbed(String type, String data) : super(type, data); + + static BlockEmbed horizontalRule = BlockEmbed('divider', 'hr'); + + static BlockEmbed image(String imageUrl) => BlockEmbed('image', imageUrl); +} diff --git a/app_flowy/packages/flowy_editor/lib/model/document/node/leaf.dart b/app_flowy/packages/flowy_editor/lib/model/document/node/leaf.dart new file mode 100644 index 0000000000..8a85f09612 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/document/node/leaf.dart @@ -0,0 +1,254 @@ +import 'dart:math' as math; + +import '../../quill_delta.dart'; +import '../style.dart'; +import 'embed.dart'; +import 'line.dart'; +import 'node.dart'; + +/// A leaf in Quill document tree. +abstract class Leaf extends Node { + /// Creates a new [Leaf] with specified [data]. + factory Leaf(Object data) { + if (data is Embeddable) { + return Embed(data); + } + final text = data as String; + assert(text.isNotEmpty); + return Text(text); + } + + Leaf.val(Object val) : _value = val; + + /// Contents of this node, either a String if this is a [Text] or an + /// [Embed] if this is an [BlockEmbed]. + Object get value => _value; + Object _value; + + @override + void applyStyle(Style value) { + assert(value.isInline || value.isIgnored || value.isEmpty, + 'Unable to apply Style to leaf: $value'); + super.applyStyle(value); + } + + @override + Line? get parent => super.parent as Line?; + + @override + int get length { + if (_value is String) { + return (_value as String).length; + } + // return 1 for embedded object + return 1; + } + + @override + Delta toDelta() { + final data = + _value is Embeddable ? (_value as Embeddable).toJson() : _value; + return Delta()..insert(data, style.toJson()); + } + + @override + void insert(int index, Object data, Style? style) { + assert(index >= 0 && index <= length); + final node = Leaf(data); + if (index < length) { + splitAt(index)!.insertBefore(node); + } else { + insertAfter(node); + } + node.format(style); + } + + @override + void retain(int index, int? len, Style? style) { + if (style == null) { + return; + } + + final local = math.min(length - index, len!); + final remain = len - local; + final node = _isolate(index, local); + + if (remain > 0) { + assert(node.next != null); + node.next!.retain(0, remain, style); + } + node.format(style); + } + + @override + void delete(int index, int? len) { + assert(index < length); + + final local = math.min(length - index, len!); + final target = _isolate(index, local); + final prev = target.previous as Leaf?; + final next = target.next as Leaf?; + target.unlink(); + + final remain = len - local; + if (remain > 0) { + assert(next != null); + next!.delete(0, remain); + } + + if (prev != null) { + prev.adjust(); + } + } + + /// Adjust this text node by merging it with adjacent nodes if they share + /// the same style. + @override + void adjust() { + if (this is Embed) { + // Embed nodes cannot be merged with text nor other embeds (in fact, + // there could be no two adjacent embeds on the same line since an + // embed occupies an entire line). + return; + } + + // This is a text node and it can only be merged with other text nodes. + var node = this as Text; + + // Merging it with previous node if style is the same. + final prev = node.previous; + if (!node.isFirst && prev is Text && prev.style == node.style) { + prev._value = prev.value + node.value; + node.unlink(); + node = prev; + } + + // Merging it with next node if style is the same. + final next = node.next; + if (!node.isLast && next is Text && next.style == node.style) { + node._value = node.value + next.value; + next.unlink(); + } + } + + /// Splits this leaf node at [index] and returns new node. + /// + /// If this is the last node in its list and [index] equals this node's + /// length then this method returns `null` as there is nothing left to split. + /// If there is another leaf node after this one and [index] equals this + /// node's length then the next leaf node is returned. + /// + /// If [index] equals to `0` then this node itself is returned unchanged. + /// + /// In case a new node is actually split from this one, it inherits this + /// node's style. + Leaf? splitAt(int index) { + assert(index >= 0 && index <= length); + if (index == 0) { + return this; + } + if (index == length) { + return isLast ? null : next as Leaf?; + } + + assert(this is Text); + final text = _value as String; + _value = text.substring(0, index); + final split = Leaf(text.substring(index))..applyStyle(style); + insertAfter(split); + return split; + } + + /// Cuts a leaf from [index] to the end of this node and returns new node + /// in detached state (e.g. [mounted] returns `false`). + /// + /// Splitting logic is identical to one described in [splitAt], meaning this + /// method may return `null`. + Leaf? cutAt(int index) { + assert(index >= 0 && index <= length); + final cut = splitAt(index); + cut?.unlink(); + return cut; + } + + /// Formats this node and optimizes it with adjacent leaf nodes if needed. + void format(Style? style) { + if (style != null && style.isNotEmpty) { + applyStyle(style); + } + adjust(); + } + + /// Isolates a new leaf starting at [index] with specified [length]. + /// + /// Splitting logic is identical to one described in [splitAt], with one + /// exception that it is required for [index] to always be less than this + /// node's length. As a result this method always returns a [LeafNode] + /// instance. Returned node may still be the same as this node + /// if provided [index] is `0`. + Leaf _isolate(int index, int length) { + assert( + index >= 0 && index < this.length && (index + length <= this.length)); + final target = splitAt(index)!..splitAt(length); + return target; + } +} + +/* ---------------------------------- Impl ---------------------------------- */ + +/// A span of formatted text within a line in a Quill document. +/// +/// Text is a leaf node of a document tree. +/// +/// Parent of a text node is always a [Line], and as a consequence text +/// node's [value] cannot contain any line-break characters. +/// +/// See also: +/// +/// * [Embed], a leaf node representing an embeddable object. +/// * [Line], a node representing a line of text. +class Text extends Leaf { + Text([String text = '']) + : assert(!text.contains('\n')), + super.val(text); + + @override + Node newInstance() => Text(); + + @override + String get value => _value as String; + + @override + String toPlainText() => value; +} + +/// An embed node inside of a line in a Quill document. +/// +/// Embed node is a leaf node similar to [Text]. It represents an arbitrary +/// piece of non-textual content embedded into a document, such as, image, +/// horizontal rule, video, or any other object with defined structure, +/// like a tweet, for instance. +/// +/// Embed node's length is always `1` character and it is represented with +/// unicode object replacement character in the document text. +/// +/// Any inline style can be applied to an embed, however this does not +/// necessarily mean the embed will look according to that style. For instance, +/// applying "bold" style to an image gives no effect, while adding a "link" to +/// an image actually makes the image react to user's action. +class Embed extends Leaf { + Embed(Embeddable data) : super.val(data); + + static const kObjectReplacementCharacter = '\uFFFC'; + + @override + Node newInstance() => throw UnimplementedError(); + + @override + Embeddable get value => super.value as Embeddable; + + /// // Embed nodes are represented as unicode object replacement character in + // plain text. + @override + String toPlainText() => kObjectReplacementCharacter; +} diff --git a/app_flowy/packages/flowy_editor/lib/model/document/node/line.dart b/app_flowy/packages/flowy_editor/lib/model/document/node/line.dart new file mode 100644 index 0000000000..0b29b62c05 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/document/node/line.dart @@ -0,0 +1,362 @@ +import 'dart:math' as math; + +import '../../quill_delta.dart'; +import '../attribute.dart'; +import '../style.dart'; +import 'block.dart'; +import 'container.dart'; +import 'embed.dart'; +import 'leaf.dart'; +import 'node.dart'; + +/// A line of rich text in a Quill document. +/// +/// Line serves as a container for [Leaf]s, like [Text] and [Embed]. +/// +/// When a line contains an embed, it fully occupies the line, no other embeds +/// or text nodes are allowed. +class Line extends Container { + @override + Leaf get defaultChild => Text(); + + @override + int get length => super.length + 1; + + /// Returns `true` if this line contains an embedded object. + bool get hasEmbed { + if (childCount != 1) { + return false; + } + return children.single is Embed; + } + + /// Returns next [Line] or `null` if this is the last line in the document. + Line? get nextLine { + if (!isLast) { + return next is Block ? (next as Block).first as Line? : next as Line?; + } + if (parent is! Block) { + return null; + } + + if (parent!.isLast) { + return null; + } + return parent!.next is Block + ? (parent!.next as Block).first as Line? + : parent!.next as Line?; + } + + @override + Node newInstance() => Line(); + + @override + Delta toDelta() { + final delta = children + .map((child) => child.toDelta()) + .fold(Delta(), (dynamic a, b) => a.concat(b)); + var attributes = style; + if (parent is Block) { + final block = parent as Block; + attributes = attributes.mergeAll(block.style); + } + delta.insert('\n', attributes.toJson()); + return delta; + } + + @override + String toPlainText() => '${super.toPlainText()}\n'; + + @override + String toString() { + final body = children.join(' → '); + final styleString = style.isNotEmpty ? ' $style' : ''; + return '¶ $body ⏎$styleString'; + } + + @override + void insert(int index, Object data, Style? style) { + if (data is Embeddable) { + // We do not check whether this line already has any children here as + // inserting an embed into a line with other text is acceptable from the + // Delta format perspective. + // We rely on heuristic rules to ensure that embeds occupy an entire line. + _insertSafe(index, data, style); + return; + } + + final text = data as String; + final lineBreak = text.indexOf('\n'); + if (lineBreak < 0) { + _insertSafe(index, text, style); + // No need to update line or block format since those attributes can only + // be attached to `\n` character and we already know it's not present. + return; + } + + final prefix = text.substring(0, lineBreak); + _insertSafe(index, prefix, style); + if (prefix.isNotEmpty) { + index += prefix.length; + } + + // Next line inherits our format. + final nextLine = _getNextLine(index); + + // Reset our format and unwrap from a block if needed. + clearStyle(); + if (parent is Block) { + _unwrap(); + } + + // Now we can apply new format and re-layout. + _format(style); + + // Continue with remaining part. + final remain = text.substring(lineBreak + 1); + nextLine.insert(0, remain, style); + } + + @override + void retain(int index, int? len, Style? style) { + if (style == null) { + return; + } + final thisLength = length; + + final local = math.min(thisLength - index, len!); + // If index is at newline character then this is a line/block style update. + final isLineFormat = (index + local == thisLength) && local == 1; + + if (isLineFormat) { + assert(style.values.every((attr) => attr.scope == AttributeScope.BLOCK), + 'It is not allowed to apply inline attributes to line itself.'); + _format(style); + } else { + // Otherwise forward to children as it's an inline format update. + assert(style.values.every((attr) => attr.scope == AttributeScope.INLINE)); + assert(index + local != thisLength); + super.retain(index, local, style); + } + + final remain = len - local; + if (remain > 0) { + assert(nextLine != null); + nextLine!.retain(0, remain, style); + } + } + + @override + void delete(int index, int? len) { + final local = math.min(length - index, len!); + final isLFDeleted = index + local == length; // Line feed + if (isLFDeleted) { + // Our newline character deleted with all style information. + clearStyle(); + if (local > 1) { + // Exclude newline character from delete range for children. + super.delete(index, local - 1); + } + } else { + super.delete(index, local); + } + + final remaining = len - local; + if (remaining > 0) { + assert(nextLine != null); + nextLine!.delete(0, remaining); + } + + if (isLFDeleted && isNotEmpty) { + // Since we lost our line-break and still have child text nodes those must + // migrate to the next line. + + // nextLine might have been unmounted since last assert so we need to + // check again we still have a line after us. + assert(nextLine != null); + + // Move remaining children in this line to the next line so that all + // attributes of nextLine are preserved. + nextLine!.moveChildToNewParent(this); + moveChildToNewParent(nextLine); + } + + if (isLFDeleted) { + // Now we can remove this line. + final block = parent!; // remember reference before un-linking. + unlink(); + block.adjust(); + } + } + + /// Formats this line. + void _format(Style? newStyle) { + if (newStyle == null || newStyle.isEmpty) { + return; + } + + applyStyle(newStyle); + final blockStyle = newStyle.getBlockExceptHeader(); + if (blockStyle == null) { + return; + } // No block-level changes + + if (parent is Block) { + final parentStyle = (parent as Block).style.getBlockExceptHeader(); + if (blockStyle.value == null) { + _unwrap(); + } else if (blockStyle != parentStyle) { + _unwrap(); + final block = Block()..applyAttribute(blockStyle); + _wrap(block); + block.adjust(); + } // else the same style, no-op. + } else if (blockStyle.value != null) { + // Only wrap with a new block if this is not an unset + final block = Block()..applyAttribute(blockStyle); + _wrap(block); + block.adjust(); + } + } + + /// Wraps this line with new parent [block]. + /// + /// This line can not be in a [Block] when this method is called. + void _wrap(Block block) { + assert(parent != null && parent is! Block); + insertAfter(block); + unlink(); + block.add(this); + } + + /// Unwraps this line from it's parent [Block]. + /// + /// This method asserts if current [parent] of this line is not a [Block]. + void _unwrap() { + if (parent is! Block) { + throw ArgumentError('Invalid parent'); + } + final block = parent as Block; + + assert(block.children.contains(this)); + + if (isFirst) { + unlink(); + block.insertBefore(this); + } else if (isLast) { + unlink(); + block.insertAfter(this); + } else { + final before = block.clone() as Block; + block.insertBefore(before); + + var child = block.first as Line; + while (child != this) { + child.unlink(); + before.add(child); + child = block.first as Line; + } + unlink(); + block.insertBefore(this); + } + block.adjust(); + } + + Line _getNextLine(int index) { + assert(index == 0 || (index > 0 && index < length)); + + final line = clone() as Line; + insertAfter(line); + if (index == length - 1) { + return line; + } + + final query = queryChild(index, false); + while (!query.node!.isLast) { + final next = (last as Leaf)..unlink(); + line.addFirst(next); + } + final child = query.node as Leaf; + final cut = child.splitAt(query.offset); + cut?.unlink(); + line.addFirst(cut); + return line; + } + + void _insertSafe(int index, Object data, Style? style) { + assert(index == 0 || (index > 0 && index < length)); + + if (data is String) { + assert(!data.contains('\n')); + if (data.isEmpty) { + return; + } + } + + if (isEmpty) { + final child = Leaf(data); + add(child); + child.format(style); + } else { + final result = queryChild(index, true); + result.node!.insert(result.offset, data, style); + } + } + + /// Returns style for specified text range. + /// + /// Only attributes applied to all characters within this range are + /// included in the result. Inline and line level attributes are + /// handled separately, e.g.: + /// + /// - line attribute X is included in the result only if it exists for + /// every line within this range (partially included lines are counted). + /// - inline attribute X is included in the result only if it exists + /// for every character within this range (line-break characters excluded). + Style collectStyle(int offset, int len) { + final local = math.min(length - offset, len); + var result = Style(); + final excluded = {}; + + void _handle(Style style) { + if (result.isEmpty) { + excluded.addAll(style.values); + } else { + for (final attr in result.values) { + if (!style.containsKey(attr.key)) { + excluded.add(attr); + } + } + } + final remaining = style.removeAll(excluded); + result = result.removeAll(excluded); + result = result.mergeAll(remaining); + } + + final data = queryChild(offset, true); + var node = data.node as Leaf?; + if (node != null) { + result = result.mergeAll(node.style); + var pos = node.length - data.offset; + while (!node!.isLast && pos < local) { + node = node.next as Leaf?; + _handle(node!.style); + pos += node.length; + } + } + + result = result.mergeAll(style); + if (parent is Block) { + final block = parent as Block; + result = result.mergeAll(block.style); + } + + final remaining = len - local; + if (remaining > 0) { + final rest = nextLine!.collectStyle(0, remaining); + _handle(rest); + } + + return result; + } +} diff --git a/app_flowy/packages/flowy_editor/lib/model/document/node/node.dart b/app_flowy/packages/flowy_editor/lib/model/document/node/node.dart new file mode 100644 index 0000000000..b5a916142b --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/document/node/node.dart @@ -0,0 +1,127 @@ +import 'dart:collection'; + +import '../../quill_delta.dart'; +import '../attribute.dart'; +import '../style.dart'; +import 'container.dart'; +import 'line.dart'; + +/// An abstract node in a document tree. +/// +/// Represents a segment of a Quill document with specified [offset] +/// and [length]. +/// +/// The [offset] property is relative to [parent]. See also [documentOffset] +/// which provides absolute offset of this node within the document. +/// +/// The current parent node is exposed by the [parent] property. +abstract class Node extends LinkedListEntry { + /// Current parent of this node. May be null if this node is not mounted. + Container? parent; + + Style get style => _style; + Style _style = Style(); + + /// Returns `true` if this node is the first node in the [parent] list. + bool get isFirst => list!.first == this; + + /// Returns `true` if this node is the last node in the [parent] list. + bool get isLast => list!.last == this; + + /// Length of this node in characters. + int get length; + + Node clone() => newInstance()..applyStyle(style); + + /// Offset in characters of this node relative to [parent] node. + /// + /// To get offset of this node in the document see [documentOffset]. + int get offset { + var offset = 0; + if (list == null || isFirst) { + return offset; + } + var curr = this; + do { + curr = curr.previous!; + offset += curr.length; + } while (!curr.isFirst); + return offset; + } + + /// Offset in characters of this node in the document. + int get documentOffset { + final parentOffset = (parent is! Root) ? parent!.documentOffset : 0; + return parentOffset + offset; + } + + /// Returns `true` if this node contains character at specified [offset] in + /// the document. + bool containsOffset(int offset) { + final docOffset = documentOffset; + return docOffset <= offset && offset < docOffset + length; + } + + void applyAttribute(Attribute attribute) { + _style = _style.merge(attribute); + } + + void applyStyle(Style otherStyle) { + _style = _style.mergeAll(otherStyle); + } + + void clearStyle() { + _style = Style(); + } + + @override + void insertBefore(Node entry) { + assert(entry.parent == null && parent != null); + entry.parent = parent; + super.insertBefore(entry); + } + + @override + void insertAfter(Node entry) { + assert(entry.parent == null && parent != null); + entry.parent = parent; + super.insertAfter(entry); + } + + @override + void unlink() { + assert(parent != null); + parent = null; + super.unlink(); + } + + void adjust() {/* no-op */} + + // Subclass overridden method + + Node newInstance(); + + String toPlainText(); + + Delta toDelta(); + + void insert(int index, Object data, Style? style); + + void retain(int index, int? length, Style? style); + + void delete(int index, int? length); +} + +/// Root node of document tree. +class Root extends Container> { + @override + Node newInstance() => Root(); + + @override + Container get defaultChild => Line(); + + @override + Delta toDelta() => children + .map((child) => child.toDelta()) + .fold(Delta(), (a, b) => a.concat(b)); +} diff --git a/app_flowy/packages/flowy_editor/lib/model/document/style.dart b/app_flowy/packages/flowy_editor/lib/model/document/style.dart new file mode 100644 index 0000000000..719e56822f --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/document/style.dart @@ -0,0 +1,113 @@ +import 'package:collection/collection.dart'; +import 'package:quiver/core.dart'; + +import 'attribute.dart'; + +class Style { + Style() : _attributes = {}; + + Style.attr(this._attributes); + + final Map _attributes; + + static Style fromJson(Map? attributes) { + if (attributes == null) { + return Style(); + } + final result = attributes.map((key, value) { + final attr = Attribute.fromKeyValue(key, value); + return MapEntry(key, attr); + }); + return Style.attr(result); + } + + Map? toJson() => _attributes.isEmpty + ? null + : _attributes.map((_, attr) { + return MapEntry(attr.key, attr.value); + }); + + // Properties + + Map get attributes => _attributes; + + Iterable get keys => _attributes.keys; + + Iterable get values => _attributes.values; + + bool get isEmpty => _attributes.isEmpty; + + bool get isNotEmpty => _attributes.isNotEmpty; + + bool get isInline => isNotEmpty && values.every((ele) => ele.isInline); + + bool get isIgnored => isNotEmpty && values.every((ele) => ele.isIgnored); + + Attribute get single => values.single; + + bool containsKey(String key) => _attributes.containsKey(key); + + Attribute? getBlockExceptHeader() { + for (final value in values) { + if (value.isBlockExceptHeader) { + return value; + } + } + return null; + } + + // Operators + + Style merge(Attribute attribute) { + final merged = Map.from(_attributes); + if (attribute.value == null) { + merged.remove(attribute.key); + } else { + merged[attribute.key] = attribute; + } + return Style.attr(merged); + } + + Style mergeAll(Style other) { + var result = Style.attr(_attributes); + other.values.forEach((attr) { + result = result.merge(attr); + }); + return result; + } + + Style removeAll(Set attributes) { + final merged = Map.from(_attributes); + attributes.map((ele) => ele.key).forEach(merged.remove); + return Style.attr(merged); + } + + Style put(Attribute attribute) { + final merged = Map.from(_attributes); + merged[attribute.key] = attribute; + return Style.attr(merged); + } + + @override + bool operator ==(Object other) { + if (identical(this, other)) { + return true; + } + if (other is! Style) { + return false; + } + final typedOther = other; + const eq = MapEquality(); + return eq.equals(_attributes, typedOther._attributes); + } + + @override + int get hashCode { + final hashes = + _attributes.entries.map((entry) => hash2(entry.key, entry.value)); + return hashObjects(hashes); + } + + @override + String toString() => "{${_attributes.values.join(', ')}}"; +} diff --git a/app_flowy/packages/flowy_editor/lib/model/heuristic/delete.dart b/app_flowy/packages/flowy_editor/lib/model/heuristic/delete.dart new file mode 100644 index 0000000000..0bbb11c303 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/heuristic/delete.dart @@ -0,0 +1,124 @@ +import '../quill_delta.dart'; +import '../document/attribute.dart'; +import 'rule.dart'; + +abstract class DeleteRule extends Rule { + const DeleteRule(); + + @override + RuleType get type => RuleType.DELETE; + + @override + void validateArgs(int? length, Object? data, Attribute? attribute) { + assert(length != null); + assert(data == null); + assert(attribute == null); + } +} + +class CatchAllDeleteRule extends DeleteRule { + const CatchAllDeleteRule(); + + @override + Delta applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + return Delta() + ..retain(index) + ..delete(length!); + } +} + +class PreserveLineStyleOnMergeRule extends DeleteRule { + const PreserveLineStyleOnMergeRule(); + + @override + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + final it = DeltaIterator(document)..skip(index); + var op = it.next(1); + if (op.data != '\n') { + return null; + } + + final isNotPlain = op.isNotPlain; + final attrs = op.attributes; + + it.skip(length! - 1); + final delta = Delta() + ..retain(index) + ..delete(length); + + while (it.hasNext) { + op = it.next(); + final text = op.data is String ? (op.data as String?)! : ''; + final lineBreak = text.indexOf('\n'); + if (lineBreak == -1) { + delta.retain(op.length!); + continue; + } + + var attributes = op.attributes == null + ? null + : op.attributes!.map( + (key, dynamic value) => MapEntry(key, null)); + + if (isNotPlain) { + attributes ??= {}; + attributes.addAll(attrs!); + } + delta..retain(lineBreak)..retain(1, attributes); + break; + } + return delta; + } +} + +class EnsureEmbedLineRule extends DeleteRule { + const EnsureEmbedLineRule(); + + @override + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + final it = DeltaIterator(document); + + var op = it.skip(index); + int? indexDelta = 0, lengthDelta = 0, remain = length; + var embedFound = op != null && op.data is! String; + final hasLineBreakBefore = + !embedFound && (op == null || (op.data as String).endsWith('\n')); + if (embedFound) { + var candidate = it.next(1); + if (remain != null) { + remain--; + if (candidate.data == '\n') { + indexDelta++; + lengthDelta--; + + candidate = it.next(1); + remain--; + if (candidate.data == '\n') { + lengthDelta++; + } + } + } + } + + op = it.skip(remain!); + if (op != null && + (op.data is String ? op.data as String? : '')!.endsWith('\n')) { + final candidate = it.next(1); + if (candidate.data is! String && !hasLineBreakBefore) { + embedFound = true; + lengthDelta--; + } + } + + if (!embedFound) { + return null; + } + + return Delta() + ..retain(index + indexDelta) + ..delete(length! + lengthDelta); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/model/heuristic/format.dart b/app_flowy/packages/flowy_editor/lib/model/heuristic/format.dart new file mode 100644 index 0000000000..8f83328b04 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/heuristic/format.dart @@ -0,0 +1,134 @@ +import '../quill_delta.dart'; +import '../document/attribute.dart'; +import 'rule.dart'; + +abstract class FormatRule extends Rule { + const FormatRule(); + + @override + RuleType get type => RuleType.FORMAT; + + @override + void validateArgs(int? length, Object? data, Attribute? attribute) { + assert(length != null); + assert(data == null); + assert(attribute != null); + } +} + +/* -------------------------------- Rule Impl ------------------------------- */ + +class ResolveLineFormatRule extends FormatRule { + const ResolveLineFormatRule(); + + @override + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + if (attribute!.scope != AttributeScope.BLOCK) { + return null; + } + + var delta = Delta()..retain(index); + final it = DeltaIterator(document)..skip(index); + Operation op; + for (var cur = 0; cur < length! && it.hasNext; cur += op.length!) { + op = it.next(length - cur); + if (op.data is! String || !(op.data as String).contains('\n')) { + delta.retain(op.length!); + continue; + } + final text = op.data as String; + final tmp = Delta(); + var offset = 0; + + for (var lineBreak = text.indexOf('\n'); + lineBreak >= 0; + lineBreak = text.indexOf('\n', offset)) { + tmp..retain(lineBreak - offset)..retain(1, attribute.toJson()); + offset = lineBreak + 1; + } + tmp.retain(text.length - offset); + delta = delta.concat(tmp); + } + + while (it.hasNext) { + op = it.next(); + final text = op.data is String ? (op.data as String?)! : ''; + final lineBreak = text.indexOf('\n'); + if (lineBreak < 0) { + delta.retain(op.length!); + continue; + } + delta..retain(lineBreak)..retain(1, attribute.toJson()); + break; + } + return delta; + } +} + +class FormatLinkAtCaretPositionRule extends FormatRule { + const FormatLinkAtCaretPositionRule(); + + @override + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + if (attribute!.key != Attribute.link.key || length! > 0) { + return null; + } + + final delta = Delta(); + final it = DeltaIterator(document); + final before = it.skip(index), after = it.next(); + int? beg = index, retain = 0; + if (before != null && before.hasAttribute(attribute.key)) { + beg -= before.length!; + retain = before.length; + } + if (after.hasAttribute(attribute.key)) { + if (retain != null) retain += after.length!; + } + if (retain == 0) { + return null; + } + + delta..retain(beg)..retain(retain!, attribute.toJson()); + return delta; + } +} + +class ResolveInlineFormatRule extends FormatRule { + const ResolveInlineFormatRule(); + + @override + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + if (attribute!.scope != AttributeScope.INLINE) { + return null; + } + + final delta = Delta()..retain(index); + final it = DeltaIterator(document)..skip(index); + + Operation op; + for (var cur = 0; cur < length! && it.hasNext; cur += op.length!) { + op = it.next(length - cur); + final text = op.data is String ? (op.data as String?)! : ''; + var lineBreak = text.indexOf('\n'); + if (lineBreak < 0) { + delta.retain(op.length!, attribute.toJson()); + continue; + } + var pos = 0; + while (lineBreak >= 0) { + delta..retain(lineBreak - pos, attribute.toJson())..retain(1); + pos = lineBreak + 1; + lineBreak = text.indexOf('\n', pos); + } + if (pos < op.length!) { + delta.retain(op.length! - pos, attribute.toJson()); + } + } + + return delta; + } +} diff --git a/app_flowy/packages/flowy_editor/lib/model/heuristic/insert.dart b/app_flowy/packages/flowy_editor/lib/model/heuristic/insert.dart new file mode 100644 index 0000000000..eb30fb6c2e --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/heuristic/insert.dart @@ -0,0 +1,382 @@ +import 'package:tuple/tuple.dart'; + +import '../quill_delta.dart'; +import '../document/style.dart'; +import '../document/attribute.dart'; +import 'rule.dart'; + +abstract class InsertRule extends Rule { + const InsertRule(); + + @override + RuleType get type => RuleType.INSERT; + + @override + void validateArgs(int? length, Object? data, Attribute? attribute) { + assert(data != null); + assert(attribute == null); + } +} + +/* -------------------------------- Rule Impl ------------------------------- */ + +class PreserveLineStyleOnSplitRule extends InsertRule { + const PreserveLineStyleOnSplitRule(); + + @override + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + if (data is! String || data != '\n') { + return null; + } + + final it = DeltaIterator(document); + final before = it.skip(index); + if (before == null || + before.data is! String || + (before.data as String).endsWith('\n')) { + return null; + } + final after = it.next(); + if (after.data is! String || (after.data as String).startsWith('\n')) { + return null; + } + + final text = after.data as String; + final delta = Delta()..retain(index + (length ?? 0)); + if (text.contains('\n')) { + assert(after.isPlain); + delta.insert('\n'); + return delta; + } + + final nextNewLine = _getNextNewLine(it); + final attributes = nextNewLine.item1?.attributes; + + return delta..insert('\n', attributes); + } +} + +class PreserveBlockStyleOnInsertRule extends InsertRule { + const PreserveBlockStyleOnInsertRule(); + + @override + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + if (data is! String || !data.contains('\n')) { + return null; + } + + final it = DeltaIterator(document)..skip(index); + + final nextNewLine = _getNextNewLine(it); + final lineStyle = Style.fromJson( + nextNewLine.item1?.attributes ?? {}, + ); + + final attribute = lineStyle.getBlockExceptHeader(); + if (attribute == null) { + return null; + } + + final blockStyle = {attribute.key: attribute.value}; + + Map? resetStyle; + + if (lineStyle.containsKey(Attribute.header.key)) { + resetStyle = Attribute.header.toJson(); + } + + final lines = data.split('\n'); + final delta = Delta()..retain(index + (length ?? 0)); + for (var i = 0; i < lines.length; i++) { + final line = lines[i]; + if (line.isNotEmpty) { + delta.insert(line); + } + if (i == 0) { + delta.insert('\n', lineStyle.toJson()); + } else if (i < lines.length - 1) { + delta.insert('\n', blockStyle); + } + } + + if (resetStyle != null) { + delta + ..retain(nextNewLine.item2!) + ..retain((nextNewLine.item1!.data as String).indexOf('\n')) + ..retain(1, resetStyle); + } + + return delta; + } +} + +class AutoExitBlockRule extends InsertRule { + const AutoExitBlockRule(); + + bool _isEmptyLine(Operation? before, Operation? after) { + if (before == null) { + return true; + } + return before.data is String && + (before.data as String).endsWith('\n') && + after!.data is String && + (after.data as String).startsWith('\n'); + } + + @override + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + if (data is! String || data != '\n') { + return null; + } + + final it = DeltaIterator(document); + final prev = it.skip(index), cur = it.next(); + final blockStyle = Style.fromJson(cur.attributes).getBlockExceptHeader(); + if (cur.isPlain || blockStyle == null) { + return null; + } + if (!_isEmptyLine(prev, cur)) { + return null; + } + + if ((cur.value as String).length > 1) { + return null; + } + + final nextNewLine = _getNextNewLine(it); + if (nextNewLine.item1 != null && + nextNewLine.item1!.attributes != null && + Style.fromJson(nextNewLine.item1!.attributes).getBlockExceptHeader() == + blockStyle) { + return null; + } + + final attributes = cur.attributes ?? {}; + final k = attributes.keys + .firstWhere((k) => Attribute.blockKeysExceptHeader.contains(k)); + attributes[k] = null; + // retain(1) should be '\n', set it with no attribute + return Delta()..retain(index + (length ?? 0))..retain(1, attributes); + } +} + +class ResetLineFormatOnNewLineRule extends InsertRule { + const ResetLineFormatOnNewLineRule(); + + @override + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + if (data is! String || data != '\n') { + return null; + } + + final itr = DeltaIterator(document)..skip(index); + final cur = itr.next(); + if (cur.data is! String || !(cur.data as String).startsWith('\n')) { + return null; + } + + Map? resetStyle; + if (cur.attributes != null && + cur.attributes!.containsKey(Attribute.header.key)) { + resetStyle = Attribute.header.toJson(); + } + return Delta() + ..retain(index + (length ?? 0)) + ..insert('\n', cur.attributes) + ..retain(1, resetStyle) + ..trim(); + } +} + +class InsertEmbedsRule extends InsertRule { + const InsertEmbedsRule(); + + @override + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + if (data is String) { + return null; + } + + final delta = Delta()..retain(index + (length ?? 0)); + final it = DeltaIterator(document); + final prev = it.skip(index), cur = it.next(); + + final textBefore = prev?.data is String ? prev!.data as String? : ''; + final textAfter = cur.data is String ? (cur.data as String?)! : ''; + + final isNewlineBefore = prev == null || textBefore!.endsWith('\n'); + final isNewlineAfter = textAfter.startsWith('\n'); + + if (isNewlineBefore && isNewlineAfter) { + return delta..insert(data); + } + + Map? lineStyle; + if (textAfter.contains('\n')) { + lineStyle = cur.attributes; + } else { + while (it.hasNext) { + final op = it.next(); + if ((op.data is String ? op.data as String? : '')!.contains('\n')) { + lineStyle = op.attributes; + break; + } + } + } + + if (!isNewlineBefore) { + delta.insert('\n', lineStyle); + } + delta.insert(data); + if (!isNewlineAfter) { + delta.insert('\n'); + } + return delta; + } +} + +class ForceNewlineForInsertsAroundEmbedRule extends InsertRule { + const ForceNewlineForInsertsAroundEmbedRule(); + + @override + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + if (data is! String) { + return null; + } + + final text = data; + final it = DeltaIterator(document); + final prev = it.skip(index), cur = it.next(); + final cursorBeforeEmbed = cur.data is! String; + final cursorAfterEmbed = prev != null && prev.data is! String; + + if (!cursorBeforeEmbed && !cursorAfterEmbed) { + return null; + } + final delta = Delta()..retain(index + (length ?? 0)); + if (cursorBeforeEmbed && !text.endsWith('\n')) { + return delta..insert(text)..insert('\n'); + } + if (cursorAfterEmbed && !text.startsWith('\n')) { + return delta..insert('\n')..insert(text); + } + return delta..insert(text); + } +} + +class AutoFormatLinksRule extends InsertRule { + const AutoFormatLinksRule(); + + @override + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + if (data is! String || data != ' ') { + return null; + } + + final it = DeltaIterator(document); + final prev = it.skip(index); + if (prev == null || prev.data is! String) { + return null; + } + + try { + final cand = (prev.data as String).split('\n').last.split(' ').last; + final link = Uri.parse(cand); + if (!['https', 'http'].contains(link.scheme)) { + return null; + } + final attributes = prev.attributes ?? {}; + + if (attributes.containsKey(Attribute.link.key)) { + return null; + } + + attributes.addAll(LinkAttribute(link.toString()).toJson()); + return Delta() + ..retain(index + (length ?? 0) - cand.length) + ..retain(cand.length, attributes) + ..insert(data, prev.attributes); + } on FormatException { + return null; + } + } +} + +class PreserveInlineStylesRule extends InsertRule { + const PreserveInlineStylesRule(); + + @override + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + if (data is! String || data.contains('\n')) { + return null; + } + + final it = DeltaIterator(document); + final prev = it.skip(index); + if (prev == null || + prev.data is! String || + (prev.data as String).contains('\n')) { + return null; + } + + final attributes = prev.attributes; + final text = data; + if (attributes == null || !attributes.containsKey(Attribute.link.key)) { + return Delta() + ..retain(index + (length ?? 0)) + ..insert(text, attributes); + } + + attributes.remove(Attribute.link.key); + final delta = Delta() + ..retain(index + (length ?? 0)) + ..insert(text, attributes.isEmpty ? null : attributes); + final next = it.next(); + + final nextAttributes = next.attributes ?? const {}; + if (!nextAttributes.containsKey(Attribute.link.key)) { + return delta; + } + if (attributes[Attribute.link.key] == nextAttributes[Attribute.link.key]) { + return Delta() + ..retain(index + (length ?? 0)) + ..insert(text, attributes); + } + return delta; + } +} + +class CatchAllInsertRule extends InsertRule { + const CatchAllInsertRule(); + + @override + Delta applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + return Delta() + ..retain(index + (length ?? 0)) + ..insert(data); + } +} + +/* --------------------------------- Helper --------------------------------- */ + +Tuple2 _getNextNewLine(DeltaIterator iterator) { + Operation op; + for (var skipped = 0; iterator.hasNext; skipped += op.length!) { + op = iterator.next(); + final lineBreak = + (op.data is String ? op.data as String? : '')!.indexOf('\n'); + if (lineBreak >= 0) { + return Tuple2(op, skipped); + } + } + return const Tuple2(null, null); +} diff --git a/app_flowy/packages/flowy_editor/lib/model/heuristic/rule.dart b/app_flowy/packages/flowy_editor/lib/model/heuristic/rule.dart new file mode 100644 index 0000000000..8dad3fa964 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/heuristic/rule.dart @@ -0,0 +1,81 @@ +import '../document/attribute.dart'; +import '../document/document.dart'; +import '../quill_delta.dart'; +import 'insert.dart'; +import 'delete.dart'; +import 'format.dart'; + +enum RuleType { + INSERT, + DELETE, + FORMAT, +} + +abstract class Rule { + const Rule(); + + RuleType get type; + + Delta? apply(Delta document, int index, + {int? length, Object? data, Attribute? attribute}) { + validateArgs(length, data, attribute); + return applyRule( + document, + index, + length: length, + data: data, + attribute: attribute, + ); + } + + Delta? applyRule(Delta document, int index, + {int? length, Object? data, Attribute? attribute}); + + void validateArgs(int? length, Object? data, Attribute? attribute); +} + +class Rules { + Rules(this._rules); + + final List _rules; + + static final Rules _instance = Rules([ + const FormatLinkAtCaretPositionRule(), + const ResolveLineFormatRule(), + const ResolveInlineFormatRule(), + const InsertEmbedsRule(), + const ForceNewlineForInsertsAroundEmbedRule(), + const AutoExitBlockRule(), + const PreserveBlockStyleOnInsertRule(), + const PreserveLineStyleOnSplitRule(), + const ResetLineFormatOnNewLineRule(), + const AutoFormatLinksRule(), + const PreserveInlineStylesRule(), + const CatchAllInsertRule(), + const EnsureEmbedLineRule(), + const PreserveLineStyleOnMergeRule(), + const CatchAllDeleteRule(), + ]); + + static Rules getInstance() => _instance; + + Delta apply(RuleType ruleType, Document document, int index, + {int? length, Object? data, Attribute? attribute}) { + final delta = document.toDelta(); + for (final rule in _rules) { + if (rule.type != ruleType) { + continue; + } + try { + final result = rule.apply(delta, index, + length: length, data: data, attribute: attribute); + if (result != null) { + return result..trim(); + } + } catch (e) { + rethrow; + } + } + throw 'Apply rules failed'; + } +} diff --git a/app_flowy/packages/flowy_editor/lib/model/quill_delta.dart b/app_flowy/packages/flowy_editor/lib/model/quill_delta.dart new file mode 100644 index 0000000000..895b27fe87 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/model/quill_delta.dart @@ -0,0 +1,684 @@ +// Copyright (c) 2018, Anatoly Pulyaevskiy. All rights reserved. Use of this source code +// is governed by a BSD-style license that can be found in the LICENSE file. + +/// Implementation of Quill Delta format in Dart. +library quill_delta; + +import 'dart:math' as math; + +import 'package:collection/collection.dart'; +import 'package:quiver/core.dart'; + +const _attributeEquality = DeepCollectionEquality(); +const _valueEquality = DeepCollectionEquality(); + +/// Decoder function to convert raw `data` object into a user-defined data type. +/// +/// Useful with embedded content. +typedef DataDecoder = Object? Function(Object data); + +/// Default data decoder which simply passes through the original value. +Object? _passThroughDataDecoder(Object? data) => data; + +/// Operation performed on a rich-text document. +class Operation { + Operation._(this.key, this.length, this.data, Map? attributes) + : assert(_validKeys.contains(key), 'Invalid operation key "$key".'), + assert(() { + if (key != Operation.insertKey) return true; + return data is String ? data.length == length : length == 1; + }(), 'Length of insert operation must be equal to the data length.'), + _attributes = + attributes != null ? Map.from(attributes) : null; + + /// Creates operation which deletes [length] of characters. + factory Operation.delete(int length) => + Operation._(Operation.deleteKey, length, '', null); + + /// Creates operation which inserts [text] with optional [attributes]. + factory Operation.insert(dynamic data, [Map? attributes]) => + Operation._(Operation.insertKey, data is String ? data.length : 1, data, + attributes); + + /// Creates operation which retains [length] of characters and optionally + /// applies attributes. + factory Operation.retain(int? length, [Map? attributes]) => + Operation._(Operation.retainKey, length, '', attributes); + + /// Key of insert operations. + static const String insertKey = 'insert'; + + /// Key of delete operations. + static const String deleteKey = 'delete'; + + /// Key of retain operations. + static const String retainKey = 'retain'; + + /// Key of attributes collection. + static const String attributesKey = 'attributes'; + + static const List _validKeys = [insertKey, deleteKey, retainKey]; + + /// Key of this operation, can be "insert", "delete" or "retain". + final String key; + + /// Length of this operation. + final int? length; + + /// Payload of "insert" operation, for other types is set to empty string. + final Object? data; + + /// Rich-text attributes set by this operation, can be `null`. + Map? get attributes => + _attributes == null ? null : Map.from(_attributes!); + final Map? _attributes; + + /// Creates new [Operation] from JSON payload. + /// + /// If `dataDecoder` parameter is not null then it is used to additionally + /// decode the operation's data object. Only applied to insert operations. + static Operation fromJson(Map data, {DataDecoder? dataDecoder}) { + dataDecoder ??= _passThroughDataDecoder; + final map = Map.from(data); + if (map.containsKey(Operation.insertKey)) { + final data = dataDecoder(map[Operation.insertKey]); + final dataLength = data is String ? data.length : 1; + return Operation._( + Operation.insertKey, dataLength, data, map[Operation.attributesKey]); + } else if (map.containsKey(Operation.deleteKey)) { + final int? length = map[Operation.deleteKey]; + return Operation._(Operation.deleteKey, length, '', null); + } else if (map.containsKey(Operation.retainKey)) { + final int? length = map[Operation.retainKey]; + return Operation._( + Operation.retainKey, length, '', map[Operation.attributesKey]); + } + throw ArgumentError.value(data, 'Invalid data for Delta operation.'); + } + + /// Returns JSON-serializable representation of this operation. + Map toJson() { + final json = {key: value}; + if (_attributes != null) json[Operation.attributesKey] = attributes; + return json; + } + + /// Returns value of this operation. + /// + /// For insert operations this returns text, for delete and retain - length. + dynamic get value => (key == Operation.insertKey) ? data : length; + + /// Returns `true` if this is a delete operation. + bool get isDelete => key == Operation.deleteKey; + + /// Returns `true` if this is an insert operation. + bool get isInsert => key == Operation.insertKey; + + /// Returns `true` if this is a retain operation. + bool get isRetain => key == Operation.retainKey; + + /// Returns `true` if this operation has no attributes, e.g. is plain text. + bool get isPlain => _attributes == null || _attributes!.isEmpty; + + /// Returns `true` if this operation sets at least one attribute. + bool get isNotPlain => !isPlain; + + /// Returns `true` is this operation is empty. + /// + /// An operation is considered empty if its [length] is equal to `0`. + bool get isEmpty => length == 0; + + /// Returns `true` is this operation is not empty. + bool get isNotEmpty => length! > 0; + + @override + bool operator ==(other) { + if (identical(this, other)) return true; + if (other is! Operation) return false; + final typedOther = other; + return key == typedOther.key && + length == typedOther.length && + _valueEquality.equals(data, typedOther.data) && + hasSameAttributes(typedOther); + } + + /// Returns `true` if this operation has attribute specified by [name]. + bool hasAttribute(String name) => + isNotPlain && _attributes!.containsKey(name); + + /// Returns `true` if [other] operation has the same attributes as this one. + bool hasSameAttributes(Operation other) { + return _attributeEquality.equals(_attributes, other._attributes); + } + + @override + int get hashCode { + if (_attributes != null && _attributes!.isNotEmpty) { + final attrsHash = + hashObjects(_attributes!.entries.map((e) => hash2(e.key, e.value))); + return hash3(key, value, attrsHash); + } + return hash2(key, value); + } + + @override + String toString() { + final attr = attributes == null ? '' : ' + $attributes'; + final text = isInsert + ? (data is String + ? (data as String).replaceAll('\n', '⏎') + : data.toString()) + : '$length'; + return '$key⟨ $text ⟩$attr'; + } +} + +/// Delta represents a document or a modification of a document as a sequence of +/// insert, delete and retain operations. +/// +/// Delta consisting of only "insert" operations is usually referred to as +/// "document delta". When delta includes also "retain" or "delete" operations +/// it is a "change delta". +class Delta { + /// Creates new empty [Delta]. + factory Delta() => Delta._([]); + + Delta._(List operations) : _operations = operations; + + /// Creates new [Delta] from [other]. + factory Delta.from(Delta other) => + Delta._(List.from(other._operations)); + + /// Transforms two attribute sets. + static Map? transformAttributes( + Map? a, Map? b, bool priority) { + if (a == null) return b; + if (b == null) return null; + + if (!priority) return b; + + final result = b.keys.fold>({}, (attributes, key) { + if (!a.containsKey(key)) attributes[key] = b[key]; + return attributes; + }); + + return result.isEmpty ? null : result; + } + + /// Composes two attribute sets. + static Map? composeAttributes( + Map? a, Map? b, + {bool keepNull = false}) { + a ??= const {}; + b ??= const {}; + + final result = Map.from(a)..addAll(b); + final keys = result.keys.toList(growable: false); + + if (!keepNull) { + for (final key in keys) { + if (result[key] == null) result.remove(key); + } + } + + return result.isEmpty ? null : result; + } + + ///get anti-attr result base on base + static Map invertAttributes( + Map? attr, Map? base) { + attr ??= const {}; + base ??= const {}; + + final baseInverted = base.keys.fold({}, (dynamic memo, key) { + if (base![key] != attr![key] && attr.containsKey(key)) { + memo[key] = base[key]; + } + return memo; + }); + + final inverted = + Map.from(attr.keys.fold(baseInverted, (memo, key) { + if (base![key] != attr![key] && !base.containsKey(key)) { + memo[key] = null; + } + return memo; + })); + return inverted; + } + + final List _operations; + + int _modificationCount = 0; + + /// Creates [Delta] from de-serialized JSON representation. + /// + /// If `dataDecoder` parameter is not null then it is used to additionally + /// decode the operation's data object. Only applied to insert operations. + static Delta fromJson(List data, {DataDecoder? dataDecoder}) { + return Delta._(data + .map((op) => Operation.fromJson(op, dataDecoder: dataDecoder)) + .toList()); + } + + /// Returns list of operations in this delta. + List toList() => List.from(_operations); + + /// Returns JSON-serializable version of this delta. + List toJson() => toList(); + + /// Returns `true` if this delta is empty. + bool get isEmpty => _operations.isEmpty; + + /// Returns `true` if this delta is not empty. + bool get isNotEmpty => _operations.isNotEmpty; + + /// Returns number of operations in this delta. + int get length => _operations.length; + + /// Returns [Operation] at specified [index] in this delta. + Operation operator [](int index) => _operations[index]; + + /// Returns [Operation] at specified [index] in this delta. + Operation elementAt(int index) => _operations.elementAt(index); + + /// Returns the first [Operation] in this delta. + Operation get first => _operations.first; + + /// Returns the last [Operation] in this delta. + Operation get last => _operations.last; + + @override + bool operator ==(dynamic other) { + if (identical(this, other)) return true; + if (other is! Delta) return false; + final typedOther = other; + const comparator = ListEquality(DefaultEquality()); + return comparator.equals(_operations, typedOther._operations); + } + + @override + int get hashCode => hashObjects(_operations); + + /// Retain [count] of characters from current position. + void retain(int count, [Map? attributes]) { + assert(count >= 0); + if (count == 0) return; // no-op + push(Operation.retain(count, attributes)); + } + + /// Insert [data] at current position. + void insert(dynamic data, [Map? attributes]) { + if (data is String && data.isEmpty) return; // no-op + push(Operation.insert(data, attributes)); + } + + /// Delete [count] characters from current position. + void delete(int count) { + assert(count >= 0); + if (count == 0) return; + push(Operation.delete(count)); + } + + void _mergeWithTail(Operation operation) { + assert(isNotEmpty); + assert(last.key == operation.key); + assert(operation.data is String && last.data is String); + + final length = operation.length! + last.length!; + final lastText = last.data as String; + final opText = operation.data as String; + final resultText = lastText + opText; + final index = _operations.length; + _operations.replaceRange(index - 1, index, [ + Operation._(operation.key, length, resultText, operation.attributes), + ]); + } + + /// Pushes new operation into this delta. + /// + /// Performs compaction by composing [operation] with current tail operation + /// of this delta, when possible. For instance, if current tail is + /// `insert('abc')` and pushed operation is `insert('123')` then existing + /// tail is replaced with `insert('abc123')` - a compound result of the two + /// operations. + void push(Operation operation) { + if (operation.isEmpty) return; + + var index = _operations.length; + final lastOp = _operations.isNotEmpty ? _operations.last : null; + if (lastOp != null) { + if (lastOp.isDelete && operation.isDelete) { + _mergeWithTail(operation); + return; + } + + if (lastOp.isDelete && operation.isInsert) { + index -= 1; // Always insert before deleting + final nLastOp = (index > 0) ? _operations.elementAt(index - 1) : null; + if (nLastOp == null) { + _operations.insert(0, operation); + return; + } + } + + if (lastOp.isInsert && operation.isInsert) { + if (lastOp.hasSameAttributes(operation) && + operation.data is String && + lastOp.data is String) { + _mergeWithTail(operation); + return; + } + } + + if (lastOp.isRetain && operation.isRetain) { + if (lastOp.hasSameAttributes(operation)) { + _mergeWithTail(operation); + return; + } + } + } + if (index == _operations.length) { + _operations.add(operation); + } else { + final opAtIndex = _operations.elementAt(index); + _operations.replaceRange(index, index + 1, [operation, opAtIndex]); + } + _modificationCount++; + } + + /// Composes next operation from [thisIter] and [otherIter]. + /// + /// Returns new operation or `null` if operations from [thisIter] and + /// [otherIter] nullify each other. For instance, for the pair `insert('abc')` + /// and `delete(3)` composition result would be empty string. + Operation? _composeOperation( + DeltaIterator thisIter, DeltaIterator otherIter) { + if (otherIter.isNextInsert) return otherIter.next(); + if (thisIter.isNextDelete) return thisIter.next(); + + final length = math.min(thisIter.peekLength(), otherIter.peekLength()); + final thisOp = thisIter.next(length as int); + final otherOp = otherIter.next(length); + assert(thisOp.length == otherOp.length); + + if (otherOp.isRetain) { + final attributes = composeAttributes( + thisOp.attributes, + otherOp.attributes, + keepNull: thisOp.isRetain, + ); + if (thisOp.isRetain) { + return Operation.retain(thisOp.length, attributes); + } else if (thisOp.isInsert) { + return Operation.insert(thisOp.data, attributes); + } else { + throw StateError('Unreachable'); + } + } else { + // otherOp == delete && thisOp in [retain, insert] + assert(otherOp.isDelete); + if (thisOp.isRetain) return otherOp; + assert(thisOp.isInsert); + // otherOp(delete) + thisOp(insert) => null + } + return null; + } + + /// Composes this delta with [other] and returns new [Delta]. + /// + /// It is not required for this and [other] delta to represent a document + /// delta (consisting only of insert operations). + Delta compose(Delta other) { + final result = Delta(); + final thisIter = DeltaIterator(this); + final otherIter = DeltaIterator(other); + + while (thisIter.hasNext || otherIter.hasNext) { + final newOp = _composeOperation(thisIter, otherIter); + if (newOp != null) result.push(newOp); + } + return result..trim(); + } + + /// Transforms next operation from [otherIter] against next operation in + /// [thisIter]. + /// + /// Returns `null` if both operations nullify each other. + Operation? _transformOperation( + DeltaIterator thisIter, DeltaIterator otherIter, bool priority) { + if (thisIter.isNextInsert && (priority || !otherIter.isNextInsert)) { + return Operation.retain(thisIter.next().length); + } else if (otherIter.isNextInsert) { + return otherIter.next(); + } + + final length = math.min(thisIter.peekLength(), otherIter.peekLength()); + final thisOp = thisIter.next(length as int); + final otherOp = otherIter.next(length); + assert(thisOp.length == otherOp.length); + + // At this point only delete and retain operations are possible. + if (thisOp.isDelete) { + // otherOp is either delete or retain, so they nullify each other. + return null; + } else if (otherOp.isDelete) { + return otherOp; + } else { + // Retain otherOp which is either retain or insert. + return Operation.retain( + length, + transformAttributes(thisOp.attributes, otherOp.attributes, priority), + ); + } + } + + /// Transforms [other] delta against operations in this delta. + Delta transform(Delta other, bool priority) { + final result = Delta(); + final thisIter = DeltaIterator(this); + final otherIter = DeltaIterator(other); + + while (thisIter.hasNext || otherIter.hasNext) { + final newOp = _transformOperation(thisIter, otherIter, priority); + if (newOp != null) result.push(newOp); + } + return result..trim(); + } + + /// Removes trailing retain operation with empty attributes, if present. + void trim() { + if (isNotEmpty) { + final last = _operations.last; + if (last.isRetain && last.isPlain) _operations.removeLast(); + } + } + + /// Concatenates [other] with this delta and returns the result. + Delta concat(Delta other) { + final result = Delta.from(this); + if (other.isNotEmpty) { + // In case first operation of other can be merged with last operation in + // our list. + result.push(other._operations.first); + result._operations.addAll(other._operations.sublist(1)); + } + return result; + } + + /// Inverts this delta against [base]. + /// + /// Returns new delta which negates effect of this delta when applied to + /// [base]. This is an equivalent of "undo" operation on deltas. + Delta invert(Delta base) { + final inverted = Delta(); + if (base.isEmpty) return inverted; + + var baseIndex = 0; + for (final op in _operations) { + if (op.isInsert) { + inverted.delete(op.length!); + } else if (op.isRetain && op.isPlain) { + inverted.retain(op.length!); + baseIndex += op.length!; + } else if (op.isDelete || (op.isRetain && op.isNotPlain)) { + final length = op.length!; + final sliceDelta = base.slice(baseIndex, baseIndex + length); + sliceDelta.toList().forEach((baseOp) { + if (op.isDelete) { + inverted.push(baseOp); + } else if (op.isRetain && op.isNotPlain) { + final invertAttr = + invertAttributes(op.attributes, baseOp.attributes); + inverted.retain( + baseOp.length!, invertAttr.isEmpty ? null : invertAttr); + } + }); + baseIndex += length; + } else { + throw StateError('Unreachable'); + } + } + inverted.trim(); + return inverted; + } + + /// Returns slice of this delta from [start] index (inclusive) to [end] + /// (exclusive). + Delta slice(int start, [int? end]) { + final delta = Delta(); + var index = 0; + final opIterator = DeltaIterator(this); + + final actualEnd = end ?? double.infinity; + + while (index < actualEnd && opIterator.hasNext) { + Operation op; + if (index < start) { + op = opIterator.next(start - index); + } else { + op = opIterator.next(actualEnd - index as int); + delta.push(op); + } + index += op.length!; + } + return delta; + } + + /// Transforms [index] against this delta. + /// + /// Any "delete" operation before specified [index] shifts it backward, as + /// well as any "insert" operation shifts it forward. + /// + /// The [force] argument is used to resolve scenarios when there is an + /// insert operation at the same position as [index]. If [force] is set to + /// `true` (default) then position is forced to shift forward, otherwise + /// position stays at the same index. In other words setting [force] to + /// `false` gives higher priority to the transformed position. + /// + /// Useful to adjust caret or selection positions. + int transformPosition(int index, {bool force = true}) { + final iter = DeltaIterator(this); + var offset = 0; + while (iter.hasNext && offset <= index) { + final op = iter.next(); + if (op.isDelete) { + index -= math.min(op.length!, index - offset); + continue; + } else if (op.isInsert && (offset < index || force)) { + index += op.length!; + } + offset += op.length!; + } + return index; + } + + @override + String toString() => _operations.join('\n'); +} + +/// Specialized iterator for [Delta]s. +class DeltaIterator { + DeltaIterator(this.delta) : _modificationCount = delta._modificationCount; + + final Delta delta; + final int _modificationCount; + int _index = 0; + num _offset = 0; + + bool get isNextInsert => nextOperationKey == Operation.insertKey; + + bool get isNextDelete => nextOperationKey == Operation.deleteKey; + + bool get isNextRetain => nextOperationKey == Operation.retainKey; + + String? get nextOperationKey { + if (_index < delta.length) { + return delta.elementAt(_index).key; + } else { + return null; + } + } + + bool get hasNext => peekLength() < double.infinity; + + /// Returns length of next operation without consuming it. + /// + /// Returns [double.infinity] if there is no more operations left to iterate. + num peekLength() { + if (_index < delta.length) { + final operation = delta._operations[_index]; + return operation.length! - _offset; + } + return double.infinity; + } + + /// Consumes and returns next operation. + /// + /// Optional [length] specifies maximum length of operation to return. Note + /// that actual length of returned operation may be less than specified value. + Operation next([int length = 4294967296]) { + if (_modificationCount != delta._modificationCount) { + throw ConcurrentModificationError(delta); + } + + if (_index < delta.length) { + final op = delta.elementAt(_index); + final opKey = op.key; + final opAttributes = op.attributes; + final _currentOffset = _offset; + final actualLength = math.min(op.length! - _currentOffset, length); + if (actualLength == op.length! - _currentOffset) { + _index++; + _offset = 0; + } else { + _offset += actualLength; + } + final opData = op.isInsert && op.data is String + ? (op.data as String).substring( + _currentOffset as int, _currentOffset + (actualLength as int)) + : op.data; + final opIsNotEmpty = + opData is String ? opData.isNotEmpty : true; // embeds are never empty + final opLength = opData is String ? opData.length : 1; + final opActualLength = opIsNotEmpty ? opLength : actualLength as int; + return Operation._(opKey, opActualLength, opData, opAttributes); + } + return Operation.retain(length); + } + + /// Skips [length] characters in source delta. + /// + /// Returns last skipped operation, or `null` if there was nothing to skip. + Operation? skip(int length) { + var skipped = 0; + Operation? op; + while (skipped < length && hasNext) { + final opLength = peekLength(); + final skip = math.min(length - skipped, opLength); + op = next(skip as int); + skipped += op.length!; + } + return op; + } +} diff --git a/app_flowy/packages/flowy_editor/lib/rendering/box.dart b/app_flowy/packages/flowy_editor/lib/rendering/box.dart new file mode 100644 index 0000000000..ed6eeb7a42 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/rendering/box.dart @@ -0,0 +1,39 @@ +import 'package:flutter/rendering.dart'; + +import '../model/document/node/container.dart'; + +abstract class RenderContentProxyBox implements RenderBox { + double getPreferredLineHeight(); + + Offset getOffsetForCaret(TextPosition position, Rect? caretPrototype); + + TextPosition getPositionForOffset(Offset offset); + + double? getFullHeightForCaret(TextPosition position); + + TextRange getWordBoundary(TextPosition position); + + List getBoxesForSelection(TextSelection textSelection); +} + +abstract class RenderEditableBox extends RenderBox { + Container get container; + + double preferredLineHeight(TextPosition position); + + Offset getOffsetForCaret(TextPosition position); + + TextPosition getPositionForOffset(Offset offset); + + TextPosition? getPositionAbove(TextPosition position); + + TextPosition? getPositionBelow(TextPosition position); + + TextRange getWordBoundary(TextPosition position); + + TextRange getLineBoundary(TextPosition position); + + TextSelectionPoint getBaseEndpointForSelection(TextSelection textSelection); + + TextSelectionPoint getExtentEndpointForSelection(TextSelection textSelection); +} diff --git a/app_flowy/packages/flowy_editor/lib/rendering/editor.dart b/app_flowy/packages/flowy_editor/lib/rendering/editor.dart new file mode 100644 index 0000000000..72b8ab9d32 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/rendering/editor.dart @@ -0,0 +1,640 @@ +import 'dart:math' as math; + +import 'package:flowy_editor/widget/selection.dart'; +import 'package:flutter/foundation.dart'; +import 'package:flutter/material.dart'; +import 'package:flutter/rendering.dart'; + +import '../model/document/node/container.dart' as node; +import '../model/document/document.dart'; +import 'box.dart'; + +typedef TextSelectionChangeHandler = void Function( + TextSelection selection, + SelectionChangedCause cause, +); + +/* ----------------------------- Abstract Editor ---------------------------- */ + +abstract class RenderAbstractEditor { + TextSelection selectWordAtPosition(TextPosition position); + + TextSelection selectLineAtPosition(TextPosition position); + + double preferredLineHeight(TextPosition position); + + TextPosition getPositionForOffset(Offset offset); + + List getEndpointsForSelection( + TextSelection textSelection); + + void handleTapDown(TapDownDetails details); + + void selectWordsInRange(Offset from, Offset to, SelectionChangedCause cause); + + void selectWordEdge(SelectionChangedCause cause); + + void selectPositionAt(Offset from, Offset to, SelectionChangedCause cause); + + void selectWord(SelectionChangedCause cause); + + void selectPosition(SelectionChangedCause cause); +} + +/* ------------------------------ Container Box ----------------------------- */ + +class EditableContainerParentData + extends ContainerBoxParentData {} + +class RenderEditableContainerBox extends RenderBox + with + ContainerRenderObjectMixin, + RenderBoxContainerDefaultsMixin { + RenderEditableContainerBox( + List? children, + this.textDirection, + this.scrollBottomInset, + this._container, + this._padding, + ) : assert(_padding.isNonNegative) { + addAll(children); + } + + TextDirection textDirection; + double scrollBottomInset; + node.Container _container; + EdgeInsetsGeometry _padding; + EdgeInsets? _resolvedPadding; + + node.Container get container => _container; + + set container(node.Container container) { + if (_container == container) { + return; + } + _container = container; + markNeedsLayout(); + } + + EdgeInsetsGeometry get padding => _padding; + + set padding(EdgeInsetsGeometry value) { + assert(value.isNonNegative); + if (_padding == value) { + return; + } + _padding = value; + _markNeedsPaddingResolution(); + } + + EdgeInsets? get resolvedPadding => _resolvedPadding; + + void _resolvePadding() { + if (_resolvedPadding != null) { + return; + } + _resolvedPadding = _padding.resolve(textDirection); + _resolvedPadding = _resolvedPadding!.copyWith(left: _resolvedPadding!.left); + + assert(_resolvedPadding!.isNonNegative); + } + + void _markNeedsPaddingResolution() { + _resolvedPadding = null; + markNeedsLayout(); + } + + RenderEditableBox childAtPosition(TextPosition position) { + assert(firstChild != null); + + final targetNode = _container.queryChild(position.offset, false).node; + + var targetChild = firstChild; + while (targetChild != null) { + if (targetChild.container == targetNode) { + break; + } + targetChild = childAfter(targetChild); + } + if (targetChild == null) { + throw '`targetChild` should not be null'; + } + return targetChild; + } + + RenderEditableBox? childAtOffset(Offset offset) { + assert(firstChild != null); + _resolvePadding(); + + if (offset.dy <= _resolvedPadding!.top) { + return firstChild; + } + if (offset.dy >= size.height - _resolvedPadding!.bottom) { + return lastChild; + } + + var child = firstChild; + final dx = -offset.dx; + var dy = _resolvedPadding!.top; + while (child != null) { + if (child.size.contains(offset.translate(dx, -dy))) { + return child; + } + dy += child.size.height; + child = childAfter(child); + } + throw 'No child'; + } + + @override + void setupParentData(covariant RenderBox child) { + if (child.parent is EditableContainerParentData) { + return; + } + child.parentData = EditableContainerParentData(); + } + + @override + void performLayout() { + assert(constraints.hasBoundedWidth); + assert(!constraints.hasBoundedHeight); + _resolvePadding(); + assert(_resolvedPadding != null); + + var mainAxisExtent = _resolvedPadding!.top; + var child = firstChild; + final innerConstraints = + BoxConstraints.tightFor(width: constraints.maxWidth) + .deflate(_resolvedPadding!); + while (child != null) { + child.layout(innerConstraints, parentUsesSize: true); + final childParentData = (child.parentData as EditableContainerParentData) + ..offset = Offset(_resolvedPadding!.left, mainAxisExtent); + mainAxisExtent += child.size.height; + assert(child.parentData == childParentData); + child = childParentData.nextSibling; + } + mainAxisExtent += _resolvedPadding!.bottom; + size = constraints.constrain(Size(constraints.maxWidth, mainAxisExtent)); + + assert(size.isFinite); + } + + double _getIntrinsicCrossAxis(double Function(RenderBox child) childSize) { + var extent = 0.0; + var child = firstChild; + while (child != null) { + extent = math.max(extent, childSize(child)); + final childParentData = child.parentData as EditableContainerParentData; + child = childParentData.nextSibling; + } + return extent; + } + + double _getIntrinsicMainAxis(double Function(RenderBox child) childSize) { + var extent = 0.0; + var child = firstChild; + while (child != null) { + extent += childSize(child); + final childParentData = child.parentData as EditableContainerParentData; + child = childParentData.nextSibling; + } + return extent; + } + + @override + double computeMinIntrinsicWidth(double height) { + _resolvePadding(); + return _getIntrinsicCrossAxis((child) { + final childHeight = math.max( + 0, height - _resolvedPadding!.top + _resolvedPadding!.bottom); + return child.getMinIntrinsicWidth(childHeight) + + _resolvedPadding!.left + + _resolvedPadding!.right; + }); + } + + @override + double computeMaxIntrinsicWidth(double height) { + _resolvePadding(); + return _getIntrinsicCrossAxis((child) { + final childHeight = math.max( + 0, height - _resolvedPadding!.top + _resolvedPadding!.bottom); + return child.getMaxIntrinsicWidth(childHeight) + + _resolvedPadding!.left + + _resolvedPadding!.right; + }); + } + + @override + double computeMinIntrinsicHeight(double width) { + _resolvePadding(); + return _getIntrinsicMainAxis((child) { + final childWidth = math.max( + 0, width - _resolvedPadding!.left + _resolvedPadding!.right); + return child.getMinIntrinsicHeight(childWidth) + + _resolvedPadding!.top + + _resolvedPadding!.bottom; + }); + } + + @override + double computeMaxIntrinsicHeight(double width) { + _resolvePadding(); + return _getIntrinsicMainAxis((child) { + final childWidth = math.max( + 0, width - _resolvedPadding!.left + _resolvedPadding!.right); + return child.getMaxIntrinsicHeight(childWidth) + + _resolvedPadding!.top + + _resolvedPadding!.bottom; + }); + } + + @override + double? computeDistanceToActualBaseline(TextBaseline baseline) { + _resolvePadding(); + return defaultComputeDistanceToFirstActualBaseline(baseline)! + + _resolvedPadding!.top; + } +} + +/* ------------------------------ Render Editor ----------------------------- */ + +class RenderEditor extends RenderEditableContainerBox + implements RenderAbstractEditor { + RenderEditor( + List? children, + TextDirection textDirection, + double scrollBottomInset, + EdgeInsetsGeometry padding, + EdgeInsets floatingCursorAddedMargin, + this._document, + this._selection, + this._hasFocus, + this.onSelectionChanged, + this._startHandleLayerLink, + this._endHandleLayerLink, + ) : super( + children, + textDirection, + scrollBottomInset, + _document.root, + padding, + ); + + TextSelectionChangeHandler onSelectionChanged; + Document _document; + TextSelection _selection; + final ValueNotifier _selectionStartInViewport = + ValueNotifier(true); + final ValueNotifier _selectionEndInViewport = ValueNotifier(true); + bool _hasFocus = false; + LayerLink _startHandleLayerLink; + LayerLink _endHandleLayerLink; + Offset? _lastTapDownPosition; + + Document get document => _document; + + ValueListenable get selectionStartInViewport => + _selectionStartInViewport; + + ValueListenable get selectionEndInViewport => _selectionEndInViewport; + + set document(Document value) { + if (_document == value) { + return; + } + _document = value; + markNeedsLayout(); + } + + set hasFocus(bool value) { + if (_hasFocus == value) { + return; + } + _hasFocus = value; + markNeedsSemanticsUpdate(); + } + + set selection(TextSelection value) { + if (_selection == value) { + return; + } + _selection = value; + markNeedsPaint(); + } + + set startHandleLayerLink(LayerLink value) { + if (_startHandleLayerLink == value) { + return; + } + _startHandleLayerLink = value; + markNeedsPaint(); + } + + set endHandleLayerLink(LayerLink value) { + if (_endHandleLayerLink == value) { + return; + } + _endHandleLayerLink = value; + markNeedsPaint(); + } + + @override + set scrollBottomInset(double value) { + if (scrollBottomInset == value) { + return; + } + scrollBottomInset = value; + markNeedsPaint(); + } + + @override + List getEndpointsForSelection( + TextSelection textSelection) { + if (textSelection.isCollapsed) { + final child = childAtPosition(textSelection.extent); + final localPosition = TextPosition( + offset: textSelection.extentOffset - child.container.offset, + ); + final localOffset = child.getOffsetForCaret(localPosition); + final parentData = child.parentData as BoxParentData; + return [ + TextSelectionPoint( + Offset(0, child.preferredLineHeight(localPosition)) + + localOffset + + parentData.offset, + null, + ) + ]; + } + + final baseNode = _container.queryChild(textSelection.start, false).node; + var baseChild = firstChild; + while (baseChild != null) { + if (baseChild.container == baseNode) { + break; + } + baseChild = childAfter(baseChild); + } + assert(baseChild != null); + + final baseParentData = baseChild!.parentData as BoxParentData; + final baseSelection = + localSelection(baseChild.container, textSelection, true); + var basePoint = baseChild.getBaseEndpointForSelection(baseSelection); + basePoint = TextSelectionPoint( + basePoint.point + baseParentData.offset, + basePoint.direction, + ); + + final extentNode = _container.queryChild(textSelection.end, false).node; + RenderEditableBox? extentChild = baseChild; + while (extentChild != null) { + if (extentChild.container == extentNode) { + break; + } + extentChild = childAfter(extentChild); + } + assert(extentChild != null); + + final extentParentData = extentChild!.parentData as BoxParentData; + final extentSelection = + localSelection(extentChild.container, textSelection, true); + var extentPoint = + extentChild.getExtentEndpointForSelection(extentSelection); + extentPoint = TextSelectionPoint( + extentPoint.point + extentParentData.offset, + extentPoint.direction, + ); + + return [basePoint, extentPoint]; + } + + @override + TextPosition getPositionForOffset(Offset offset) { + final local = globalToLocal(offset); + final child = childAtOffset(local)!; + + final parentData = child.parentData as BoxParentData; + final localOffset = local - parentData.offset; + final localPosition = child.getPositionForOffset(localOffset); + return TextPosition( + offset: localPosition.offset + child.container.offset, + affinity: localPosition.affinity, + ); + } + + @override + void handleTapDown(TapDownDetails details) { + _lastTapDownPosition = details.globalPosition; + } + + @override + double preferredLineHeight(TextPosition position) { + final child = childAtPosition(position); + return child.preferredLineHeight( + TextPosition(offset: position.offset - child.container.offset), + ); + } + + @override + TextSelection selectLineAtPosition(TextPosition position) { + final child = childAtPosition(position); + final nodeOffset = child.container.offset; + final localPosition = TextPosition( + offset: position.offset - nodeOffset, + affinity: position.affinity, + ); + final localLineRange = child.getLineBoundary(localPosition); + final line = TextRange( + start: localLineRange.start + nodeOffset, + end: localLineRange.end + nodeOffset, + ); + + if (position.offset >= line.end) { + return TextSelection.fromPosition(position); + } + return TextSelection(baseOffset: line.start, extentOffset: line.end); + } + + @override + void selectPosition(SelectionChangedCause cause) { + selectPositionAt(_lastTapDownPosition!, null, cause); + } + + @override + void selectPositionAt(Offset from, Offset? to, SelectionChangedCause cause) { + final fromPosition = getPositionForOffset(from); + final toPosition = to == null ? null : getPositionForOffset(to); + + var baseOffset = fromPosition.offset; + var extentOffset = fromPosition.offset; + if (toPosition != null) { + baseOffset = math.min(fromPosition.offset, toPosition.offset); + extentOffset = math.max(fromPosition.offset, toPosition.offset); + } + + final newSelection = TextSelection( + baseOffset: baseOffset, + extentOffset: extentOffset, + affinity: fromPosition.affinity, + ); + _handleSelectionChange(newSelection, cause); + } + + @override + void selectWord(SelectionChangedCause cause) { + selectWordsInRange(_lastTapDownPosition!, null, cause); + } + + @override + TextSelection selectWordAtPosition(TextPosition position) { + final child = childAtPosition(position); + final nodeOffset = child.container.offset; + final localPosition = TextPosition( + offset: position.offset - nodeOffset, + affinity: position.affinity, + ); + final localWord = child.getWordBoundary(localPosition); + final word = TextRange( + start: localWord.start + nodeOffset, end: localWord.end + nodeOffset); + if (position.offset >= word.end) { + return TextSelection.fromPosition(position); + } + return TextSelection(baseOffset: word.start, extentOffset: word.end); + } + + @override + void selectWordEdge(SelectionChangedCause cause) { + assert(_lastTapDownPosition != null); + final position = getPositionForOffset(_lastTapDownPosition!); + final child = childAtPosition(position); + final nodeOffset = child.container.offset; + final localPosition = TextPosition( + offset: position.offset - nodeOffset, + affinity: position.affinity, + ); + final localWord = child.getWordBoundary(localPosition); + final word = TextRange( + start: localWord.start + nodeOffset, + end: localWord.end + nodeOffset, + ); + if (position.offset - word.start <= 1) { + _handleSelectionChange( + TextSelection.collapsed(offset: word.start), cause); + } else { + _handleSelectionChange( + TextSelection.collapsed( + offset: word.end, affinity: TextAffinity.upstream), + cause, + ); + } + } + + @override + void selectWordsInRange( + Offset from, Offset? to, SelectionChangedCause cause) { + final firstPosition = getPositionForOffset(from); + final firstWord = selectWordAtPosition(firstPosition); + final lastWord = + to == null ? firstWord : selectWordAtPosition(getPositionForOffset(to)); + + _handleSelectionChange( + TextSelection( + baseOffset: firstWord.base.offset, + extentOffset: lastWord.extent.offset, + affinity: firstWord.affinity, + ), + cause); + } + + @override + void paint(PaintingContext context, Offset offset) { + defaultPaint(context, offset); + _paintHandleLayers(context, getEndpointsForSelection(_selection)); + } + + @override + bool hitTestChildren(BoxHitTestResult result, {required Offset position}) { + return defaultHitTestChildren(result, position: position); + } + + /// Returns the y-offset of the editor at which [selection] is visible. + /// + /// The offset is the distance from the top of the editor and is the minimum + /// from the current scroll position until [selection] becomes visible. + /// Returns null if [selection] is already visible. + double? getOffsetToRevealCursor( + double viewportHeight, double scrollOffset, double offsetInViewport) { + final endpoints = getEndpointsForSelection(_selection); + final endpoint = endpoints.first; + final child = childAtPosition(_selection.extent); + const kMargin = 8.0; + + final lineHeight = child.preferredLineHeight( + TextPosition(offset: _selection.extentOffset - child.container.offset), + ); + final caretTop = endpoint.point.dy - + lineHeight - + kMargin + + offsetInViewport + + scrollBottomInset; + final caretBottom = + endpoint.point.dy + kMargin + offsetInViewport + scrollBottomInset; + double? dy; + if (caretTop < scrollOffset) { + dy = caretTop; + } else if (caretBottom > scrollOffset + viewportHeight) { + dy = caretBottom - viewportHeight; + } + if (dy == null) { + return null; + } + return math.max(dy, 0); + } + + // Util + + void _handleSelectionChange( + TextSelection nextSelection, SelectionChangedCause cause) { + final focusingEmpty = nextSelection.baseOffset == 0 && + nextSelection.extentOffset == 0 && + !_hasFocus; + if (nextSelection == _selection && + cause != SelectionChangedCause.keyboard && + !focusingEmpty) { + return; + } + onSelectionChanged(nextSelection, cause); + } + + void _paintHandleLayers( + PaintingContext context, List endpoints) { + var startPoint = endpoints[0].point; + startPoint = Offset( + startPoint.dx.clamp(0.0, size.width), + startPoint.dy.clamp(0.0, size.height), + ); + context.pushLayer( + LeaderLayer(link: _startHandleLayerLink, offset: startPoint), + super.paint, + Offset.zero, + ); + + if (endpoints.length == 2) { + var endPoint = endpoints[1].point; + endPoint = Offset( + endPoint.dx.clamp(0.0, size.width), + endPoint.dy.clamp(0.0, size.height), + ); + context.pushLayer( + LeaderLayer(link: _endHandleLayerLink, offset: endPoint), + super.paint, + Offset.zero, + ); + } + } +} diff --git a/app_flowy/packages/flowy_editor/lib/rendering/proxy.dart b/app_flowy/packages/flowy_editor/lib/rendering/proxy.dart new file mode 100644 index 0000000000..f64965b58a --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/rendering/proxy.dart @@ -0,0 +1,218 @@ +import 'package:flowy_editor/rendering/box.dart'; +import 'package:flutter/rendering.dart'; + +/* -------------------------------- Baseline -------------------------------- */ + +class RenderBaselineProxy extends RenderProxyBox { + RenderBaselineProxy( + RenderParagraph? child, + TextStyle textStyle, + EdgeInsets? padding, + ) : _prototypePainter = TextPainter( + text: TextSpan(text: ' ', style: textStyle), + textDirection: TextDirection.ltr, + strutStyle: + StrutStyle.fromTextStyle(textStyle, forceStrutHeight: true), + ), + super(child); + + final TextPainter _prototypePainter; + + set textStyle(TextStyle value) { + if (_prototypePainter.text!.style == value) { + return; + } + _prototypePainter.text = TextSpan(text: ' ', style: value); + markNeedsLayout(); + } + + EdgeInsets? _padding; + + set padding(EdgeInsets value) { + if (_padding == value) { + return; + } + _padding = value; + markNeedsLayout(); + } + + @override + double? computeDistanceToActualBaseline(TextBaseline baseline) => + _prototypePainter.computeDistanceToActualBaseline(baseline); + + @override + void performLayout() { + super.performLayout(); + _prototypePainter.layout(); + } +} + +/* ---------------------------------- Embed --------------------------------- */ + +class RenderEmbedProxy extends RenderProxyBox implements RenderContentProxyBox { + RenderEmbedProxy(RenderBox? child) : super(child); + + @override + List getBoxesForSelection(TextSelection textSelection) { + if (!textSelection.isCollapsed) { + return [ + TextBox.fromLTRBD(0, 0, size.width, size.height, TextDirection.ltr) + ]; + } + + final left = textSelection.extentOffset == 0 ? 0.0 : size.width; + final right = textSelection.extentOffset == 0 ? 0.0 : size.width; + return [ + TextBox.fromLTRBD(left, 0, right, size.height, TextDirection.ltr) + ]; + } + + @override + double? getFullHeightForCaret(TextPosition position) => size.height; + + @override + Offset getOffsetForCaret(TextPosition position, Rect? caretPrototype) { + assert(position.offset <= 1 && position.offset >= 0); + return position.offset == 0 ? Offset.zero : Offset(size.width, 0); + } + + @override + TextPosition getPositionForOffset(Offset offset) { + return TextPosition(offset: offset.dx > size.width / 2 ? 1 : 0); + } + + @override + TextRange getWordBoundary(TextPosition position) => + const TextRange(start: 0, end: 1); + + @override + double getPreferredLineHeight() => size.height; +} + +/* ---------------------------- Paragraph / Text ---------------------------- */ + +class RenderParagraphProxy extends RenderProxyBox + implements RenderContentProxyBox { + RenderParagraphProxy( + RenderParagraph? child, + TextStyle textStyle, + TextAlign textAlign, + TextDirection textDirection, + double textScaleFactor, + StrutStyle strutStyle, + Locale locale, + TextWidthBasis textWidthBasis, + TextHeightBehavior? textHeightBehavior, + ) : _prototypePainter = TextPainter( + text: TextSpan(text: ' ', style: textStyle), + textAlign: textAlign, + textDirection: textDirection, + textScaleFactor: textScaleFactor, + strutStyle: strutStyle, + locale: locale, + textWidthBasis: textWidthBasis, + textHeightBehavior: textHeightBehavior, + ), + super(child); + + final TextPainter _prototypePainter; + + set textStyle(TextStyle value) { + if (_prototypePainter.text!.style == value) { + return; + } + _prototypePainter.text = TextSpan(text: ' ', style: value); + markNeedsLayout(); + } + + set textAlign(TextAlign value) { + if (_prototypePainter.textAlign == value) { + return; + } + _prototypePainter.textAlign = value; + markNeedsLayout(); + } + + set textDirection(TextDirection value) { + if (_prototypePainter.textDirection == value) { + return; + } + _prototypePainter.textDirection = value; + markNeedsLayout(); + } + + set textScaleFactor(double value) { + if (_prototypePainter.textScaleFactor == value) { + return; + } + _prototypePainter.textScaleFactor = value; + markNeedsLayout(); + } + + set strutStyle(StrutStyle value) { + if (_prototypePainter.strutStyle == value) { + return; + } + _prototypePainter.strutStyle = value; + markNeedsLayout(); + } + + set locale(Locale value) { + if (_prototypePainter.locale == value) { + return; + } + _prototypePainter.locale = value; + markNeedsLayout(); + } + + set textWidthBasis(TextWidthBasis value) { + if (_prototypePainter.textWidthBasis == value) { + return; + } + _prototypePainter.textWidthBasis = value; + markNeedsLayout(); + } + + set textHeightBehavior(TextHeightBehavior? value) { + if (_prototypePainter.textHeightBehavior == value) { + return; + } + _prototypePainter.textHeightBehavior = value; + markNeedsLayout(); + } + + @override + RenderParagraph? get child => super.child as RenderParagraph?; + + @override + double getPreferredLineHeight() { + return _prototypePainter.preferredLineHeight; + } + + @override + Offset getOffsetForCaret(TextPosition position, Rect? caretPrototype) => + child!.getOffsetForCaret(position, caretPrototype!); + + @override + TextPosition getPositionForOffset(Offset offset) => + child!.getPositionForOffset(offset); + + @override + double? getFullHeightForCaret(TextPosition position) => + child!.getFullHeightForCaret(position); + + @override + TextRange getWordBoundary(TextPosition position) => + child!.getWordBoundary(position); + + @override + List getBoxesForSelection(TextSelection selection) => + child!.getBoxesForSelection(selection); + + @override + void performLayout() { + super.performLayout(); + _prototypePainter.layout( + minWidth: constraints.minWidth, maxWidth: constraints.maxWidth); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/rendering/text_block.dart b/app_flowy/packages/flowy_editor/lib/rendering/text_block.dart new file mode 100644 index 0000000000..3d8bd5bf9f --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/rendering/text_block.dart @@ -0,0 +1,278 @@ +import 'package:flutter/material.dart'; +import 'package:flutter/rendering.dart'; + +import '../model/document/node/block.dart'; +import '../widget/selection.dart'; +import 'box.dart'; +import 'editor.dart'; + +class RenderEditableTextBlock extends RenderEditableContainerBox + implements RenderEditableBox { + RenderEditableTextBlock({ + required Block block, + required TextDirection textDirection, + required EdgeInsetsGeometry padding, + required double scrollBottomInset, + required Decoration decoration, + List? children, + ImageConfiguration configuration = ImageConfiguration.empty, + EdgeInsets contentPadding = EdgeInsets.zero, + }) : _decoration = decoration, + _configuration = configuration, + _savePadding = padding, + _contentPadding = contentPadding, + super(children, textDirection, scrollBottomInset, block, + padding.add(contentPadding)); + + EdgeInsetsGeometry _savePadding; + EdgeInsets _contentPadding; + + set contentPadding(EdgeInsets value) { + if (_contentPadding == value) { + return; + } + _contentPadding = value; + super.padding = _savePadding.add(_contentPadding); + } + + @override + set padding(EdgeInsetsGeometry value) { + super.padding = value.add(_contentPadding); + _savePadding = value; + } + + BoxPainter? _painter; + + Decoration _decoration; + Decoration get decoration => _decoration; + + set decoration(Decoration value) { + if (_decoration == value) { + return; + } + _painter?.dispose(); + _painter = null; + _decoration = value; + markNeedsPaint(); + } + + ImageConfiguration _configuration; + ImageConfiguration get configuration => _configuration; + + set configuration(ImageConfiguration value) { + if (_configuration == value) { + return; + } + _configuration = value; + markNeedsPaint(); + } + + @override + TextRange getLineBoundary(TextPosition position) { + final child = childAtPosition(position); + final rangeInChild = child.getLineBoundary(TextPosition( + offset: position.offset - child.container.offset, + affinity: position.affinity, + )); + return TextRange( + start: rangeInChild.start + child.container.offset, + end: rangeInChild.end + child.container.offset, + ); + } + + @override + Offset getOffsetForCaret(TextPosition position) { + final child = childAtPosition(position); + return child.getOffsetForCaret(TextPosition( + offset: position.offset - child.container.offset, + affinity: position.affinity, + )) + + (child.parentData as BoxParentData).offset; + } + + @override + TextPosition getPositionForOffset(Offset offset) { + final child = childAtOffset(offset)!; + final parentData = child.parentData as BoxParentData; + final localPosition = + child.getPositionForOffset(offset - parentData.offset); + return TextPosition( + offset: localPosition.offset + child.container.offset, + affinity: localPosition.affinity, + ); + } + + @override + TextRange getWordBoundary(TextPosition position) { + final child = childAtPosition(position); + final nodeOffset = child.container.offset; + final childWord = child + .getWordBoundary(TextPosition(offset: position.offset - nodeOffset)); + return TextRange( + start: childWord.start + nodeOffset, + end: childWord.end + nodeOffset, + ); + } + + @override + TextPosition? getPositionAbove(TextPosition position) { + assert(position.offset < container.length); + + final child = childAtPosition(position); + final childLocalPosition = + TextPosition(offset: position.offset - child.container.offset); + final result = child.getPositionAbove(childLocalPosition); + if (result != null) { + return TextPosition(offset: result.offset + child.container.offset); + } + + final sibling = childBefore(child); + if (sibling == null) { + return null; + } + + final caretOffset = child.getOffsetForCaret(childLocalPosition); + final testPosition = TextPosition(offset: sibling.container.length - 1); + final testOffset = sibling.getOffsetForCaret(testPosition); + final finalOffset = Offset(caretOffset.dx, testOffset.dy); + return TextPosition( + offset: sibling.container.offset + + sibling.getPositionForOffset(finalOffset).offset, + ); + } + + @override + TextPosition? getPositionBelow(TextPosition position) { + assert(position.offset < container.length); + + final child = childAtPosition(position); + final childLocalPosition = + TextPosition(offset: position.offset - child.container.offset); + final result = child.getPositionBelow(childLocalPosition); + if (result != null) { + return TextPosition(offset: result.offset + child.container.offset); + } + + final sibling = childAfter(child); + if (sibling == null) { + return null; + } + + final caretOffset = child.getOffsetForCaret(childLocalPosition); + final testOffset = sibling.getOffsetForCaret(const TextPosition(offset: 0)); + final finalOffset = Offset(caretOffset.dx, testOffset.dy); + return TextPosition( + offset: sibling.container.offset + + sibling.getPositionForOffset(finalOffset).offset, + ); + } + + @override + double preferredLineHeight(TextPosition position) { + final child = childAtPosition(position); + return child.preferredLineHeight( + TextPosition(offset: position.offset - child.container.offset), + ); + } + + @override + TextSelectionPoint getBaseEndpointForSelection(TextSelection selection) { + if (selection.isCollapsed) { + return TextSelectionPoint( + Offset(0, preferredLineHeight(selection.extent)) + + getOffsetForCaret(selection.extent), + null, + ); + } + + final baseNode = container.queryChild(selection.start, false).node; + var baseChild = firstChild; + while (baseChild != null) { + if (baseChild.container == baseNode) { + break; + } + baseChild = childAfter(baseChild); + } + assert(baseChild != null); + + final basePoint = baseChild!.getBaseEndpointForSelection(localSelection( + baseChild.container, + selection, + true, + )); + return TextSelectionPoint( + basePoint.point + (baseChild.parentData as BoxParentData).offset, + basePoint.direction, + ); + } + + @override + TextSelectionPoint getExtentEndpointForSelection(TextSelection selection) { + if (selection.isCollapsed) { + return TextSelectionPoint( + Offset(0, preferredLineHeight(selection.extent)) + + getOffsetForCaret(selection.extent), + null, + ); + } + + final extentNode = container.queryChild(selection.end, false).node; + + var extentChild = firstChild; + while (extentChild != null) { + if (extentChild.container == extentNode) { + break; + } + extentChild = childAfter(extentChild); + } + assert(extentChild != null); + + final extentPoint = extentChild!.getExtentEndpointForSelection( + localSelection(extentChild.container, selection, true), + ); + return TextSelectionPoint( + extentPoint.point + (extentChild.parentData as BoxParentData).offset, + extentPoint.direction, + ); + } + + @override + void detach() { + _painter?.dispose(); + _painter = null; + super.detach(); + markNeedsPaint(); + } + + @override + void paint(PaintingContext context, Offset offset) { + _paintDecoration(context, offset); + defaultPaint(context, offset); + } + + void _paintDecoration(PaintingContext context, Offset offset) { + _painter ??= _decoration.createBoxPainter(markNeedsPaint); + + final decorationPadding = resolvedPadding! - _contentPadding; + + final filledConfiguration = + configuration.copyWith(size: decorationPadding.deflateSize(size)); + final debugSaveCount = context.canvas.getSaveCount(); + + final decorationOffset = + offset.translate(decorationPadding.left, decorationPadding.top); + _painter!.paint(context.canvas, decorationOffset, filledConfiguration); + + if (debugSaveCount != context.canvas.getSaveCount()) { + throw '${_decoration.runtimeType} painter had mismatching save and restore calls.'; + } + if (decoration.isComplex) { + context.setIsComplexHint(); + } + } + + @override + bool hitTestChildren(BoxHitTestResult result, {required Offset position}) { + return defaultHitTestChildren(result, position: position); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/rendering/text_line.dart b/app_flowy/packages/flowy_editor/lib/rendering/text_line.dart new file mode 100644 index 0000000000..01b10d1fb7 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/rendering/text_line.dart @@ -0,0 +1,659 @@ +import 'dart:math' as math; + +import 'package:flutter/foundation.dart'; +import 'package:flutter/material.dart'; +import 'package:flutter/rendering.dart'; + +import '../model/document/node/line.dart'; +import '../model/document/node/container.dart' as container_node; +import '../service/cursor.dart'; +import '../widget/selection.dart'; +import '../widget/text_line.dart'; +import 'box.dart'; + +enum TextLineSlot { + LEADING, + BODY, +} + +/* ------------------------------- Render Box ------------------------------- */ + +class RenderEditableTextLine extends RenderEditableBox { + RenderEditableTextLine( + this._line, + this._textDirection, + this._textSelection, + this._enableInteractiveSelection, + this.hasFocus, + this._devicePixelRatio, + this._padding, + this._color, + this._cursorController, + ); + + RenderBox? _leading; + RenderContentProxyBox? _body; + Line _line; + TextDirection _textDirection; + TextSelection _textSelection; + Color _color; + bool _enableInteractiveSelection; + bool hasFocus = false; + double _devicePixelRatio; + EdgeInsetsGeometry _padding; + CursorController _cursorController; + EdgeInsets? _resolvedPadding; + bool? _containesCursor; + List? _selectedRects; + Rect? _caretPrototype; + final Map children = {}; + + // Getter && Setter + + Iterable get _children sync* { + if (_leading != null) { + yield _leading!; + } + if (_body != null) { + yield _body!; + } + } + + CursorController get cursorController => _cursorController; + + set cursorController(CursorController value) { + if (_cursorController == value) { + return; + } + _cursorController = value; + markNeedsLayout(); + } + + double get devicePixelRatio => _devicePixelRatio; + + set devicePixelRatio(double value) { + if (_devicePixelRatio == value) { + return; + } + _devicePixelRatio = value; + markNeedsLayout(); + } + + bool get enableInteractiveSelection => _enableInteractiveSelection; + + set enableInteractiveSelection(bool value) { + if (_enableInteractiveSelection == value) { + return; + } + _enableInteractiveSelection = value; + markNeedsLayout(); + markNeedsSemanticsUpdate(); + } + + Color get color => _color; + + set color(Color value) { + if (_color == value) { + return; + } + _color = value; + if (containsTextSelection()) { + markNeedsPaint(); + } + } + + TextDirection get textDirection => _textDirection; + + set textDirection(TextDirection value) { + if (_textDirection == value) { + return; + } + _textDirection = value; + _resolvedPadding = null; + markNeedsLayout(); + } + + TextSelection get textSelection => _textSelection; + + set textSelection(TextSelection value) { + if (_textSelection == value) { + return; + } + final containsSelection = containsTextSelection(); + if (attached && containsCursor()) { + cursorController.removeListener(markNeedsLayout); + cursorController.color.removeListener(markNeedsPaint); + } + + _textSelection = value; + _selectedRects = null; + _containesCursor = null; + if (attached && containsCursor()) { + cursorController.addListener(markNeedsLayout); + cursorController.color.addListener(markNeedsPaint); + } + + if (containsSelection || containsTextSelection()) { + markNeedsPaint(); + } + } + + Line get line => _line; + + set line(Line value) { + if (_line == value) { + return; + } + _line = value; + _containesCursor = null; + markNeedsLayout(); + } + + EdgeInsetsGeometry get padding => _padding; + + set padding(EdgeInsetsGeometry value) { + assert(value.isNonNegative); + if (_padding == value) { + return; + } + _padding = value; + _resolvedPadding = null; + markNeedsLayout(); + } + + RenderBox? get leading => _leading; + + set leading(RenderBox? value) { + _leading = _updateChild(_leading, value, TextLineSlot.LEADING); + } + + RenderContentProxyBox? get body => _body; + + set body(RenderContentProxyBox? value) { + _body = + _updateChild(_body, value, TextLineSlot.BODY) as RenderContentProxyBox?; + } + + // Util + bool containsTextSelection() { + return line.documentOffset <= textSelection.end && + textSelection.start <= line.documentOffset + line.length - 1; + } + + bool containsCursor() { + return _containesCursor ??= textSelection.isCollapsed && + line.containsOffset(textSelection.baseOffset); + } + + RenderBox? _updateChild( + RenderBox? oldChild, RenderBox? newChild, TextLineSlot slot) { + if (oldChild != null) { + dropChild(oldChild); + children.remove(slot); + } + if (newChild != null) { + children[slot] = newChild; + adoptChild(newChild); + } + return newChild; + } + + List _getBoxes(TextSelection textSelection) { + final parentData = _body!.parentData as BoxParentData?; + return _body!.getBoxesForSelection(textSelection).map((box) { + return TextBox.fromLTRBD( + box.left + parentData!.offset.dx, + box.top + parentData.offset.dy, + box.right + parentData.offset.dx, + box.bottom + parentData.offset.dy, + box.direction, + ); + }).toList(growable: false); + } + + void _resolvePadding() { + if (_resolvedPadding != null) { + return; + } + _resolvedPadding = padding.resolve(textDirection); + assert(_resolvedPadding!.isNonNegative); + } + + // System Override: Selection && Cursor + @override + TextSelectionPoint getBaseEndpointForSelection(TextSelection textSelection) { + return _getEndpointForSelection(textSelection, true); + } + + @override + TextSelectionPoint getExtentEndpointForSelection( + TextSelection textSelection) { + return _getEndpointForSelection(textSelection, false); + } + + TextSelectionPoint _getEndpointForSelection( + TextSelection textSelection, bool first) { + if (textSelection.isCollapsed) { + return TextSelectionPoint( + Offset(0, preferredLineHeight(textSelection.extent)) + + getOffsetForCaret(textSelection.extent), + null, + ); + } + final boxes = _getBoxes(textSelection); + assert(boxes.isNotEmpty); + final targetBox = first ? boxes.first : boxes.last; + return TextSelectionPoint( + Offset(first ? targetBox.start : targetBox.end, targetBox.bottom), + targetBox.direction, + ); + } + + @override + TextRange getLineBoundary(TextPosition position) { + final lineDy = getOffsetForCaret(position) + .translate(0, 0.5 * preferredLineHeight(position)) + .dy; + final lineBoxes = _getBoxes(TextSelection( + baseOffset: 0, + extentOffset: line.length - 1, + )) + .where((element) => element.top < lineDy && element.bottom > lineDy) + .toList(growable: false); + return TextRange( + start: getPositionForOffset(Offset(lineBoxes.first.left, lineDy)).offset, + end: getPositionForOffset(Offset(lineBoxes.last.right, lineDy)).offset, + ); + } + + @override + Offset getOffsetForCaret(TextPosition position) { + return _body!.getOffsetForCaret(position, _caretPrototype) + + (body!.parentData as BoxParentData).offset; + } + + @override + TextPosition? getPositionAbove(TextPosition position) { + return _getPosition(position, -0.5); + } + + @override + TextPosition? getPositionBelow(TextPosition position) { + return _getPosition(position, 1.5); + } + + TextPosition? _getPosition(TextPosition textPosition, double dyScale) { + assert(textPosition.offset < line.length); + final offset = getOffsetForCaret(textPosition) + .translate(0, dyScale * preferredLineHeight(textPosition)); + if (_body!.size + .contains(offset - (_body!.parentData as BoxParentData).offset)) { + return getPositionForOffset(offset); + } + return null; + } + + @override + TextPosition getPositionForOffset(Offset offset) { + return _body!.getPositionForOffset( + offset - (_body!.parentData as BoxParentData).offset); + } + + @override + TextRange getWordBoundary(TextPosition position) { + return _body!.getWordBoundary(position); + } + + @override + double preferredLineHeight(TextPosition position) { + return _body!.getPreferredLineHeight(); + } + + @override + container_node.Container get container => line; + + double get cursorWidth => cursorController.style.width; + + double get cursorHeight => + cursorController.style.height ?? + preferredLineHeight(const TextPosition(offset: 0)); + + void _computeCaretPrototype() { + switch (defaultTargetPlatform) { + case TargetPlatform.iOS: + case TargetPlatform.macOS: + _caretPrototype = Rect.fromLTWH(0, 0, cursorWidth, cursorHeight + 2); + break; + case TargetPlatform.android: + case TargetPlatform.fuchsia: + case TargetPlatform.linux: + case TargetPlatform.windows: + _caretPrototype = Rect.fromLTWH(0, 2, cursorWidth, cursorHeight - 4.0); + break; + default: + throw 'Invalid platform'; + } + } + + @override + void attach(covariant PipelineOwner owner) { + super.attach(owner); + for (final child in _children) { + child.attach(owner); + } + if (containsCursor()) { + cursorController.addListener(markNeedsLayout); + cursorController.cursorColor.addListener(markNeedsPaint); + } + } + + @override + void detach() { + super.detach(); + for (final child in _children) { + child.detach(); + } + if (containsCursor()) { + cursorController.removeListener(markNeedsLayout); + cursorController.cursorColor.removeListener(markNeedsPaint); + } + } + + @override + void redepthChildren() { + _children.forEach(redepthChild); + } + + @override + void visitChildren(RenderObjectVisitor visitor) { + _children.forEach(visitor); + } + + @override + List debugDescribeChildren() { + final value = []; + void add(RenderBox? child, String name) { + if (child != null) { + value.add(child.toDiagnosticsNode(name: name)); + } + } + + add(_leading, 'leading'); + add(_body, 'body'); + return value; + } + + @override + bool get sizedByParent => false; + + @override + double computeMinIntrinsicWidth(double height) { + _resolvePadding(); + final horizontalPadding = _resolvedPadding!.left + _resolvedPadding!.right; + final verticalPadding = _resolvedPadding!.top + _resolvedPadding!.bottom; + final leadingWidth = _leading == null + ? 0 + : _leading!.getMinIntrinsicWidth(height - verticalPadding) as int; + final bodyWidth = _body == null + ? 0 + : _body!.getMinIntrinsicWidth(math.max(0, height - verticalPadding)) + as int; + return horizontalPadding + leadingWidth + bodyWidth; + } + + @override + double computeMaxIntrinsicWidth(double height) { + _resolvePadding(); + final horizontalPadding = _resolvedPadding!.left + _resolvedPadding!.right; + final verticalPadding = _resolvedPadding!.top + _resolvedPadding!.bottom; + final leadingWidth = _leading == null + ? 0 + : _leading!.getMaxIntrinsicWidth(height - verticalPadding) as int; + final bodyWidth = _body == null + ? 0 + : _body!.getMaxIntrinsicWidth(math.max(0, height - verticalPadding)) + as int; + return horizontalPadding + leadingWidth + bodyWidth; + } + + @override + double computeMinIntrinsicHeight(double width) { + _resolvePadding(); + final horizontalPadding = _resolvedPadding!.left + _resolvedPadding!.right; + final verticalPadding = _resolvedPadding!.top + _resolvedPadding!.bottom; + if (_body != null) { + return _body! + .getMinIntrinsicHeight(math.max(0, width - horizontalPadding)) + + verticalPadding; + } + return verticalPadding; + } + + @override + double computeMaxIntrinsicHeight(double width) { + _resolvePadding(); + final horizontalPadding = _resolvedPadding!.left + _resolvedPadding!.right; + final verticalPadding = _resolvedPadding!.top + _resolvedPadding!.bottom; + if (_body != null) { + return _body! + .getMaxIntrinsicHeight(math.max(0, width - horizontalPadding)) + + verticalPadding; + } + return verticalPadding; + } + + @override + double? computeDistanceToActualBaseline(TextBaseline baseline) { + _resolvePadding(); + return _body!.getDistanceToActualBaseline(baseline)! + + _resolvedPadding!.top; + } + + @override + void performLayout() { + final constraints = this.constraints; + _selectedRects = null; + + _resolvePadding(); + assert(_resolvedPadding != null); + + if (_body == null && _leading == null) { + size = constraints.constrain(Size( + _resolvedPadding!.left + _resolvedPadding!.right, + _resolvedPadding!.top + _resolvedPadding!.bottom, + )); + return; + } + + final innerConstraints = constraints.deflate(_resolvedPadding!); + final indentWidth = textDirection == TextDirection.ltr + ? _resolvedPadding!.left + : _resolvedPadding!.right; + _body!.layout(innerConstraints, parentUsesSize: true); + (_body!.parentData as BoxParentData).offset = + Offset(_resolvedPadding!.left, _resolvedPadding!.top); + + if (leading != null) { + final leadingConstraints = innerConstraints.copyWith( + minWidth: indentWidth, + maxWidth: indentWidth, + maxHeight: _body!.size.height, + ); + _leading!.layout(leadingConstraints, parentUsesSize: true); + (_leading!.parentData as BoxParentData).offset = + Offset(0, _resolvedPadding!.top); + } + + size = constraints.constrain(Size( + _resolvedPadding!.left + _body!.size.width + _resolvedPadding!.right, + _resolvedPadding!.top + _body!.size.height + _resolvedPadding!.bottom, + )); + + _computeCaretPrototype(); + } + + CursorPainter get _cursorPainter => CursorPainter( + _body, + cursorController.style, + _caretPrototype, + cursorController.cursorColor.value, + devicePixelRatio, + ); + + @override + void paint(PaintingContext context, Offset offset) { + if (_leading != null) { + final parentData = _leading!.parentData as BoxParentData; + final effectiveOffset = offset + parentData.offset; + context.paintChild(_leading!, effectiveOffset); + } + + if (_body != null) { + final parentData = _body!.parentData as BoxParentData; + final effectiveOffset = offset + parentData.offset; + if (enableInteractiveSelection && + line.documentOffset <= textSelection.end && + textSelection.start <= line.documentOffset + line.length - 1) { + final local = localSelection(line, textSelection, false); + _selectedRects ??= _body!.getBoxesForSelection(local); + _paintSelection(context, effectiveOffset); + } + + if (hasFocus && + cursorController.show.value && + containsCursor() && + !cursorController.style.paintAboveText) { + _paintCursor(context, effectiveOffset); + } + + context.paintChild(_body!, effectiveOffset); + + if (hasFocus && + cursorController.show.value && + containsCursor() && + cursorController.style.paintAboveText) { + _paintCursor(context, effectiveOffset); + } + } + } + + void _paintSelection(PaintingContext context, Offset effectiveOffset) { + assert(_selectedRects != null); + final paint = Paint()..color = color; + for (final box in _selectedRects!) { + context.canvas.drawRect(box.toRect().shift(effectiveOffset), paint); + } + } + + void _paintCursor(PaintingContext context, Offset effectiveOffset) { + final position = TextPosition( + offset: textSelection.extentOffset - line.documentOffset, + affinity: textSelection.base.affinity, + ); + _cursorPainter.paint(context.canvas, effectiveOffset, position); + } + + @override + bool hitTestChildren(BoxHitTestResult result, {required Offset position}) { + return _children.first.hitTest(result, position: position); + } +} + +/* --------------------------------- Element -------------------------------- */ + +class TextLineElement extends RenderObjectElement { + TextLineElement(EditableTextLine line) : super(line); + + final Map _slotToChildren = {}; + + @override + EditableTextLine get widget => super.widget as EditableTextLine; + + @override + RenderEditableTextLine get renderObject => + super.renderObject as RenderEditableTextLine; + + @override + void visitChildren(ElementVisitor visitor) { + _slotToChildren.values.forEach(visitor); + } + + @override + void forgetChild(Element child) { + assert(_slotToChildren.containsValue(child)); + assert(child.slot is TextLineSlot); + assert(_slotToChildren.containsKey(child.slot)); + _slotToChildren.remove(child.slot); + super.forgetChild(child); + } + + @override + void mount(Element? parent, dynamic newSlot) { + super.mount(parent, newSlot); + _mountChild(widget.leading, TextLineSlot.LEADING); + _mountChild(widget.body, TextLineSlot.BODY); + } + + @override + void update(covariant EditableTextLine newWidget) { + super.update(newWidget); + assert(widget == newWidget); + _updateChild(widget.leading, TextLineSlot.LEADING); + _updateChild(widget.body, TextLineSlot.BODY); + } + + @override + void insertRenderObjectChild(RenderBox child, TextLineSlot? slot) { + _updateRenderObject(child, slot); + assert(renderObject.children.keys.contains(slot)); + } + + @override + void removeRenderObjectChild(RenderObject child, TextLineSlot? slot) { + assert(child is RenderBox); + assert(renderObject.children[slot!] == child); + _updateRenderObject(null, slot); + assert(!renderObject.children.keys.contains(slot)); + } + + @override + void moveRenderObjectChild( + RenderObject child, dynamic oldSlot, dynamic newSlot) { + throw UnimplementedError(); + } + + void _mountChild(Widget? widget, TextLineSlot slot) { + final oldChild = _slotToChildren[slot]; + final newChild = updateChild(oldChild, widget, slot); + if (oldChild != null) { + _slotToChildren.remove(slot); + } + if (newChild != null) { + _slotToChildren[slot] = newChild; + } + } + + void _updateRenderObject(RenderBox? child, TextLineSlot? slot) { + switch (slot) { + case TextLineSlot.LEADING: + renderObject.leading = child; + break; + case TextLineSlot.BODY: + renderObject.body = child as RenderContentProxyBox?; + break; + default: + throw UnimplementedError(); + } + } + + void _updateChild(Widget? widget, TextLineSlot slot) { + final oldChild = _slotToChildren[slot]; + final newChild = updateChild(oldChild, widget, slot); + if (oldChild != null) { + _slotToChildren.remove(slot); + } + if (newChild != null) { + _slotToChildren[slot] = newChild; + } + } +} diff --git a/app_flowy/packages/flowy_editor/lib/service/controller.dart b/app_flowy/packages/flowy_editor/lib/service/controller.dart new file mode 100644 index 0000000000..7ad7983349 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/service/controller.dart @@ -0,0 +1,186 @@ +import 'dart:math' as math; + +import 'package:flutter/material.dart'; +import 'package:tuple/tuple.dart'; + +import '../model/quill_delta.dart'; +import '../util/delta_diff.dart'; +import '../model/document/attribute.dart'; +import '../model/document/document.dart'; +import '../model/document/style.dart'; +import '../model/document/node/embed.dart'; + +class EditorController extends ChangeNotifier { + EditorController({ + required this.document, + required this.selection, + }); + + factory EditorController.basic() { + return EditorController( + document: Document(), + selection: const TextSelection.collapsed(offset: 0), + ); + } + + final Document document; + TextSelection selection; + Style toggledStyle = Style(); + + // item1: Document state before [change]. + // item2: Change delta applied to the document. + // item3: The source of this change. + Stream> get changes => document.changes; + + TextEditingValue get plainTextEditingValue => TextEditingValue( + text: document.toPlainText(), + selection: selection, + ); + + Style getSelectionStyle() => + document.collectStyle(selection.start, selection.end - selection.start) + ..mergeAll(toggledStyle); + + bool get hasUndo => document.hasUndo; + + bool get hasRedo => document.hasRedo; + + void undo() { + final action = document.undo(); + if (action.item1) { + _handleHistoryChange(action.item2); + } + } + + void redo() { + final action = document.redo(); + if (action.item1) { + _handleHistoryChange(action.item2); + } + } + + @override + void dispose() { + document.close(); + super.dispose(); + } + + void updateSelection(TextSelection textSelection, ChangeSource source) { + _updateSelection(textSelection, source); + notifyListeners(); + } + + void formatSelection(Attribute? attribute) { + formatText(selection.start, selection.end - selection.start, attribute); + } + + void formatText(int index, int length, Attribute? attribute) { + if (length == 0 && + attribute!.isInline && + attribute.key != Attribute.link.key) { + toggledStyle = toggledStyle.put(attribute); + } + + final change = document.format(index, length, attribute); + final adjustedSelection = selection.copyWith( + baseOffset: change.transformPosition(selection.baseOffset), + extentOffset: change.transformPosition(selection.extentOffset), + ); + if (selection != adjustedSelection) { + _updateSelection(adjustedSelection, ChangeSource.LOCAL); + } + notifyListeners(); + } + + void replaceText( + int index, int length, Object? data, TextSelection? textSelection) { + assert(data is String || data is Embeddable); + + Delta? delta; + if (length > 0 || data is! String || data.isNotEmpty) { + delta = document.replace(index, length, data); + var shouldRetainDelta = toggledStyle.isNotEmpty && + delta.isNotEmpty && + delta.length <= 2 && + delta.last.isInsert; + if (shouldRetainDelta && + toggledStyle.isNotEmpty && + delta.length == 2 && + delta.last.data == '\n') { + // if all attributes are inline, shouldRetainDelta should be false + final anyAttributeNotInline = + toggledStyle.values.any((attr) => !attr.isInline); + shouldRetainDelta &= anyAttributeNotInline; + } + if (shouldRetainDelta) { + final retainDelta = Delta() + ..retain(index) + ..retain( + data is String ? data.length : 1, + toggledStyle.toJson(), + ); + document.compose(retainDelta, ChangeSource.LOCAL); + } + } + + toggledStyle = Style(); + if (textSelection != null) { + if (delta == null || delta.isEmpty) { + _updateSelection(textSelection, ChangeSource.LOCAL); + } else { + final user = Delta() + ..retain(index) + ..insert(data) + ..delete(length); + final positionDelta = getPositionDelta(user, delta); + _updateSelection( + textSelection.copyWith( + baseOffset: textSelection.baseOffset + positionDelta, + extentOffset: textSelection.extentOffset + positionDelta, + ), + ChangeSource.LOCAL); + } + } + notifyListeners(); + } + + void compose(Delta delta, TextSelection textSelection, ChangeSource source) { + if (delta.isNotEmpty) { + document.compose(delta, source); + } + + textSelection = selection.copyWith( + baseOffset: delta.transformPosition(selection.baseOffset, force: false), + extentOffset: + delta.transformPosition(selection.extentOffset, force: false), + ); + if (selection != textSelection) { + _updateSelection(textSelection, source); + } + + notifyListeners(); + } + +/* --------------------------------- Helper --------------------------------- */ + + void _handleHistoryChange(int? length) { + if (length != 0) { + updateSelection( + TextSelection.collapsed(offset: selection.baseOffset + length!), + ChangeSource.LOCAL, + ); + } else { + // no need to move cursor + notifyListeners(); + } + } + + void _updateSelection(TextSelection textSelection, ChangeSource source) { + selection = textSelection; + final end = document.length - 1; + selection = selection.copyWith( + baseOffset: math.min(selection.baseOffset, end), + extentOffset: math.min(selection.extentOffset, end), + ); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/service/cursor.dart b/app_flowy/packages/flowy_editor/lib/service/cursor.dart new file mode 100644 index 0000000000..54572961b3 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/service/cursor.dart @@ -0,0 +1,242 @@ +import 'dart:async'; + +import 'package:flutter/foundation.dart'; +import 'package:flutter/widgets.dart'; + +import '../rendering/box.dart'; + +const Duration _FADE_DURATION = Duration(milliseconds: 250); + +class CursorStyle { + const CursorStyle({ + required this.color, + required this.backgroundColor, + this.width = 1.0, + this.height, + this.radius, + this.offset, + this.opacityAnimates = false, + this.paintAboveText = false, + }); + + final Color color; + final Color backgroundColor; + final double width; + final double? height; + final Radius? radius; + final Offset? offset; + final bool opacityAnimates; + final bool paintAboveText; + + @override + bool operator ==(Object other) => + identical(this, other) || + other is CursorStyle && + runtimeType == other.runtimeType && + color == other.color && + backgroundColor == other.backgroundColor && + width == other.width && + height == other.height && + radius == other.radius && + offset == other.offset && + opacityAnimates == other.opacityAnimates && + paintAboveText == other.paintAboveText; + + @override + int get hashCode => + color.hashCode ^ + backgroundColor.hashCode ^ + width.hashCode ^ + height.hashCode ^ + radius.hashCode ^ + offset.hashCode ^ + opacityAnimates.hashCode ^ + paintAboveText.hashCode; +} + +/* ------------------------------- Controller ------------------------------- */ + +class CursorController extends ChangeNotifier { + CursorController({ + required this.show, + required CursorStyle style, + required TickerProvider tickerProvider, + }) : _style = style, + _blink = ValueNotifier(false), + color = ValueNotifier(style.color) { + _blinkOpacityController = + AnimationController(vsync: tickerProvider, duration: _FADE_DURATION); + _blinkOpacityController.addListener(_onColorTick); + } + + final ValueNotifier show; + final ValueNotifier _blink; + final ValueNotifier color; + late AnimationController _blinkOpacityController; + Timer? _cursorTimer; + bool _targetCursorVisibility = false; + CursorStyle _style; + + ValueNotifier get cursorBlink => _blink; + + ValueNotifier get cursorColor => color; + + CursorStyle get style => _style; + + set style(CursorStyle value) { + if (_style == value) return; + _style = value; + notifyListeners(); + } + + @override + void dispose() { + _blinkOpacityController.removeListener(_onColorTick); + stopCursorTimer(); + _blinkOpacityController.dispose(); + assert(_cursorTimer == null); + super.dispose(); + } + + void _cursorTick(Timer timer) { + _targetCursorVisibility = !_targetCursorVisibility; + final targetOpacity = _targetCursorVisibility ? 1.0 : 0.0; + if (style.opacityAnimates) { + _blinkOpacityController.animateTo(targetOpacity, curve: Curves.easeOut); + } else { + _blinkOpacityController.value = targetOpacity; + } + } + + void _cursorWaitForStart(Timer timer) { + _cursorTimer?.cancel(); + _cursorTimer = + Timer.periodic(const Duration(milliseconds: 500), _cursorTick); + } + + void startCursorTimer() { + _targetCursorVisibility = true; + _blinkOpacityController.value = 1.0; + + if (style.opacityAnimates) { + _cursorTimer = Timer.periodic( + const Duration(milliseconds: 150), _cursorWaitForStart); + } else { + _cursorTimer = + Timer.periodic(const Duration(milliseconds: 500), _cursorTick); + } + } + + void stopCursorTimer({bool resetCharTicks = true}) { + _cursorTimer?.cancel(); + _cursorTimer = null; + _targetCursorVisibility = false; + _blinkOpacityController.value = 0.0; + + if (style.opacityAnimates) { + _blinkOpacityController + ..stop() + ..value = 0.0; + } + } + + void startOrStopCursorTimerIfNeeded( + bool hasFocus, TextSelection textSelection) { + if (show.value && + _cursorTimer == null && + hasFocus && + textSelection.isCollapsed) { + startCursorTimer(); + } else if (_cursorTimer != null && + (!hasFocus || !textSelection.isCollapsed)) { + stopCursorTimer(); + } + } + + void _onColorTick() { + color.value = _style.color.withOpacity(_blinkOpacityController.value); + _blink.value = show.value && _blinkOpacityController.value > 0.0; + } +} + +/* --------------------------------- Painter -------------------------------- */ + +class CursorPainter { + CursorPainter( + this.editable, + this.style, + this.prototype, + this.color, + this.devicePixelRatio, + ); + + final RenderContentProxyBox? editable; + final CursorStyle style; + final Rect? prototype; + final Color color; + final double devicePixelRatio; + + void paint(Canvas canvas, Offset offset, TextPosition position) { + assert(prototype != null); + + final caretOffset = + editable!.getOffsetForCaret(position, prototype) + offset; + var caretRect = prototype!.shift(caretOffset); + if (style.offset != null) { + caretRect = caretRect.shift(style.offset!); + } + + if (caretRect.left < 0.0) { + caretRect = caretRect.shift(Offset(-caretRect.left, 0)); + } + + final caretHeight = editable!.getFullHeightForCaret(position); + if (caretHeight != null) { + switch (defaultTargetPlatform) { + case TargetPlatform.android: + case TargetPlatform.fuchsia: + case TargetPlatform.linux: + case TargetPlatform.windows: + caretRect = Rect.fromLTWH( + caretRect.left, + caretRect.top - 2.0, + caretRect.width, + caretHeight, + ); + break; + case TargetPlatform.iOS: + case TargetPlatform.macOS: + caretRect = Rect.fromLTWH( + caretRect.left, + caretRect.top + (caretHeight - caretRect.height) / 2, + caretRect.width, + caretRect.height, + ); + break; + default: + throw UnimplementedError(); + } + } + + final caretPosition = editable!.localToGlobal(caretRect.topLeft); + final pixelMultiple = 1.0 / devicePixelRatio; + caretRect = caretRect.shift(Offset( + caretPosition.dx.isFinite + ? (caretPosition.dx / pixelMultiple).round() * pixelMultiple - + caretPosition.dx + : caretPosition.dx, + caretPosition.dy.isFinite + ? (caretPosition.dy / pixelMultiple).round() * pixelMultiple - + caretPosition.dy + : caretPosition.dy)); + + final paint = Paint()..color = color; + if (style.radius == null) { + canvas.drawRect(caretRect, paint); + return; + } + + final caretRRect = RRect.fromRectAndRadius(caretRect, style.radius!); + canvas.drawRRect(caretRRect, paint); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/service/keyboard.dart b/app_flowy/packages/flowy_editor/lib/service/keyboard.dart new file mode 100644 index 0000000000..937fb5fbbe --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/service/keyboard.dart @@ -0,0 +1,143 @@ +import 'package:flutter/foundation.dart'; +import 'package:flutter/services.dart'; + +/* --------------------------------- Typedef -------------------------------- */ + +enum InputShortcut { + CUT, + COPY, + PASTE, + SELECT_ALL, +} + +typedef CursorMoveCallback = void Function( + LogicalKeyboardKey key, + bool wordModifier, + bool lineModifier, + bool shift, +); + +typedef InputShortcutCallback = void Function( + InputShortcut? shortcut, +); + +typedef OnDeleteCallback = void Function( + bool forward, +); + +/* -------------------------------- Listener -------------------------------- */ + +class KeyboardListener { + KeyboardListener(this.onCursorMove, this.onShortcut, this.onDelete); + + final CursorMoveCallback onCursorMove; + final InputShortcutCallback onShortcut; + final OnDeleteCallback onDelete; + + static final Set _moveKeys = { + LogicalKeyboardKey.arrowUp, + LogicalKeyboardKey.arrowDown, + LogicalKeyboardKey.arrowLeft, + LogicalKeyboardKey.arrowRight, + }; + + static final Set _shortcutKeys = { + LogicalKeyboardKey.keyA, + LogicalKeyboardKey.keyC, + LogicalKeyboardKey.keyV, + LogicalKeyboardKey.keyX, + LogicalKeyboardKey.delete, + LogicalKeyboardKey.backspace, + }; + + static final Set _nonModifierKeys = { + ..._moveKeys, + ..._shortcutKeys, + }; + + static final Set _winModifierKeys = { + LogicalKeyboardKey.control, + LogicalKeyboardKey.alt, + LogicalKeyboardKey.shift, + }; + + static final Set _osxModifierKeys = { + LogicalKeyboardKey.meta, + LogicalKeyboardKey.alt, + LogicalKeyboardKey.shift, + }; + + static final Set _interestingKeys = { + ..._winModifierKeys, + ..._osxModifierKeys, + ..._nonModifierKeys, + }; + + static final Map _keyToShortcut = { + LogicalKeyboardKey.keyX: InputShortcut.CUT, + LogicalKeyboardKey.keyC: InputShortcut.COPY, + LogicalKeyboardKey.keyV: InputShortcut.PASTE, + LogicalKeyboardKey.keyA: InputShortcut.SELECT_ALL, + }; + + bool handleRawKeyEvent(RawKeyEvent event) { + if (kIsWeb) { + // On web platform, we should ignore the key because it's processed already. + return false; + } + if (event is! RawKeyDownEvent) { + return false; + } + + final keysPressed = + LogicalKeyboardKey.collapseSynonyms(RawKeyboard.instance.keysPressed); + final key = event.logicalKey; + final isMacOS = event.data is RawKeyEventDataMacOs; + final modifierKeys = isMacOS ? _osxModifierKeys : _winModifierKeys; + // If any one of below cases is hitten: + // 1. None of the nonModifierKeys is pressed + // 2. Press the key except the keys that trigger shortcut + // We will skip this event + if (!_nonModifierKeys.contains(key) || + keysPressed.difference(modifierKeys).length > 1 || + keysPressed.difference(_interestingKeys).isNotEmpty) { + return false; + } + + if (_isCursorMoveAction(key)) { + onCursorMove( + key, + isMacOS ? event.isAltPressed : event.isControlPressed, + isMacOS ? event.isMetaPressed : event.isAltPressed, + event.isShiftPressed, + ); + return true; + } else if (_isShortcutAction(event, key)) { + onShortcut(_keyToShortcut[key]); + return true; + } else if (LogicalKeyboardKey.delete == key) { + onDelete(true); + return true; + } else if (LogicalKeyboardKey.backspace == key) { + onDelete(false); + return true; + } + return false; + } + + // Helper + + bool _isCursorMoveAction(LogicalKeyboardKey key) => _moveKeys.contains(key); + + bool _isShortcutAction(RawKeyEvent event, LogicalKeyboardKey key) { + if (!_shortcutKeys.contains(key)) { + return false; + } + + if (event.data is RawKeyEventDataMacOs) { + return event.isMetaPressed; + } else { + return event.isControlPressed; + } + } +} diff --git a/app_flowy/packages/flowy_editor/lib/service/style.dart b/app_flowy/packages/flowy_editor/lib/service/style.dart new file mode 100644 index 0000000000..1fd8ab1c06 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/service/style.dart @@ -0,0 +1,287 @@ +import 'package:flutter/material.dart'; +import 'package:tuple/tuple.dart'; + +class EditorStyles extends InheritedWidget { + const EditorStyles({ + required this.data, + required Widget child, + Key? key, + }) : super(key: key, child: child); + + final DefaultStyles data; + + @override + bool updateShouldNotify(covariant EditorStyles oldWidget) => + data != oldWidget.data; + + static DefaultStyles? getStyles(BuildContext context, bool nullOk) { + final widget = context.dependOnInheritedWidgetOfExactType(); + if (widget == null && nullOk) { + return null; + } + assert(widget != null); + return widget!.data; + } +} + +class DefaultTextBlockStyle { + DefaultTextBlockStyle( + this.style, + this.verticalSpacing, + this.lineSpacing, + this.decoration, + ); + + final TextStyle style; + + final Tuple2 verticalSpacing; + + final Tuple2 lineSpacing; + + final BoxDecoration? decoration; +} + +class DefaultStyles { + DefaultStyles({ + this.h1, + this.h2, + this.h3, + this.h4, + this.h5, + this.h6, + this.paragraph, + this.bold, + this.italic, + this.underline, + this.strikeThrough, + this.sizeSmall, + this.sizeLarge, + this.sizeHuge, + this.link, + this.color, + this.placeHolder, + this.lists, + this.quote, + this.code, + this.indent, + this.align, + this.leading, + }); + + final DefaultTextBlockStyle? h1; + final DefaultTextBlockStyle? h2; + final DefaultTextBlockStyle? h3; + final DefaultTextBlockStyle? h4; + final DefaultTextBlockStyle? h5; + final DefaultTextBlockStyle? h6; + final DefaultTextBlockStyle? paragraph; + final TextStyle? bold; + final TextStyle? italic; + final TextStyle? underline; + final TextStyle? strikeThrough; + final TextStyle? sizeSmall; + final TextStyle? sizeLarge; + final TextStyle? sizeHuge; + final TextStyle? link; + final Color? color; + final DefaultTextBlockStyle? placeHolder; + final DefaultTextBlockStyle? lists; + final DefaultTextBlockStyle? quote; + final DefaultTextBlockStyle? code; + final DefaultTextBlockStyle? indent; + final DefaultTextBlockStyle? align; + final DefaultTextBlockStyle? leading; + + static DefaultStyles getInstance(BuildContext context) { + final themeData = Theme.of(context); + final defaultTextStyle = DefaultTextStyle.of(context); + final baseStyle = defaultTextStyle.style.copyWith( + fontSize: 16, + height: 1.3, + ); + const baseSpacing = Tuple2(6, 0); + String fontFamily; + switch (themeData.platform) { + case TargetPlatform.iOS: + case TargetPlatform.macOS: + fontFamily = 'Menlo'; + break; + case TargetPlatform.android: + case TargetPlatform.fuchsia: + case TargetPlatform.windows: + case TargetPlatform.linux: + fontFamily = 'Roboto Mono'; + break; + default: + throw UnimplementedError(); + } + + final defaultSmallHeaderTextStyle = DefaultTextBlockStyle( + defaultTextStyle.style.copyWith( + fontSize: 16, + color: defaultTextStyle.style.color!.withOpacity(0.70), + height: 1.25, + fontWeight: FontWeight.w500, + ), + const Tuple2(8, 0), + const Tuple2(0, 0), + null, + ); + + return DefaultStyles( + h1: DefaultTextBlockStyle( + defaultTextStyle.style.copyWith( + fontSize: 34, + color: defaultTextStyle.style.color!.withOpacity(0.70), + height: 1.15, + fontWeight: FontWeight.w300, + ), + const Tuple2(16, 0), + const Tuple2(0, 0), + null, + ), + h2: DefaultTextBlockStyle( + defaultTextStyle.style.copyWith( + fontSize: 24, + color: defaultTextStyle.style.color!.withOpacity(0.70), + height: 1.15, + fontWeight: FontWeight.normal, + ), + const Tuple2(8, 0), + const Tuple2(0, 0), + null, + ), + h3: DefaultTextBlockStyle( + defaultTextStyle.style.copyWith( + fontSize: 20, + color: defaultTextStyle.style.color!.withOpacity(0.70), + height: 1.25, + fontWeight: FontWeight.w500, + ), + const Tuple2(8, 0), + const Tuple2(0, 0), + null, + ), + h4: defaultSmallHeaderTextStyle, + h5: defaultSmallHeaderTextStyle, + h6: defaultSmallHeaderTextStyle, + paragraph: DefaultTextBlockStyle( + baseStyle, + const Tuple2(0, 0), + const Tuple2(0, 0), + null, + ), + bold: const TextStyle( + fontWeight: FontWeight.bold, + ), + italic: const TextStyle( + fontStyle: FontStyle.italic, + ), + underline: const TextStyle( + decoration: TextDecoration.underline, + ), + strikeThrough: const TextStyle( + decoration: TextDecoration.lineThrough, + ), + link: TextStyle( + color: themeData.colorScheme.secondary, + decoration: TextDecoration.underline, + ), + placeHolder: DefaultTextBlockStyle( + defaultTextStyle.style.copyWith( + fontSize: 20, + height: 1.5, + color: Colors.grey.withOpacity(0.6), + ), + const Tuple2(0, 0), + const Tuple2(0, 0), + null, + ), + lists: DefaultTextBlockStyle( + baseStyle, + baseSpacing, + const Tuple2(0, 6), + null, + ), + quote: DefaultTextBlockStyle( + TextStyle(color: baseStyle.color!.withOpacity(0.6)), + baseSpacing, + const Tuple2(6, 2), + BoxDecoration( + border: Border( + left: BorderSide(width: 4, color: Colors.grey.shade300), + ), + ), + ), + code: DefaultTextBlockStyle( + TextStyle( + color: Colors.blue.shade900.withOpacity(0.9), + fontFamily: fontFamily, + fontSize: 13, + height: 1.15, + ), + baseSpacing, + const Tuple2(0, 0), + BoxDecoration( + color: Colors.grey.shade50, + borderRadius: BorderRadius.circular(2), + ), + ), + indent: DefaultTextBlockStyle( + baseStyle, + baseSpacing, + const Tuple2(0, 6), + null, + ), + align: DefaultTextBlockStyle( + baseStyle, + const Tuple2(0, 0), + const Tuple2(0, 0), + null, + ), + leading: DefaultTextBlockStyle( + baseStyle, + const Tuple2(0, 0), + const Tuple2(0, 0), + null, + ), + sizeSmall: const TextStyle( + fontSize: 10, + ), + sizeLarge: const TextStyle( + fontSize: 18, + ), + sizeHuge: const TextStyle( + fontSize: 22, + ), + ); + } + + DefaultStyles merge(DefaultStyles other) { + return DefaultStyles( + h1: other.h1 ?? h1, + h2: other.h2 ?? h2, + h3: other.h3 ?? h3, + h4: other.h4 ?? h4, + h5: other.h5 ?? h5, + h6: other.h6 ?? h6, + paragraph: other.paragraph ?? paragraph, + bold: other.bold ?? bold, + italic: other.italic ?? italic, + underline: other.underline ?? underline, + strikeThrough: other.strikeThrough ?? strikeThrough, + link: other.link ?? link, + color: other.color ?? color, + placeHolder: other.placeHolder ?? placeHolder, + lists: other.lists ?? lists, + quote: other.quote ?? quote, + code: other.code ?? code, + indent: other.indent ?? indent, + align: other.align ?? align, + leading: other.leading ?? leading, + sizeSmall: other.sizeSmall ?? sizeSmall, + sizeLarge: other.sizeLarge ?? sizeLarge, + sizeHuge: other.sizeHuge ?? sizeHuge, + ); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/util/color.dart b/app_flowy/packages/flowy_editor/lib/util/color.dart new file mode 100644 index 0000000000..93b6e12b86 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/util/color.dart @@ -0,0 +1,125 @@ +import 'dart:ui'; + +import 'package:flutter/material.dart'; + +Color stringToColor(String? s) { + switch (s) { + case 'transparent': + return Colors.transparent; + case 'black': + return Colors.black; + case 'black12': + return Colors.black12; + case 'black26': + return Colors.black26; + case 'black38': + return Colors.black38; + case 'black45': + return Colors.black45; + case 'black54': + return Colors.black54; + case 'black87': + return Colors.black87; + case 'white': + return Colors.white; + case 'white10': + return Colors.white10; + case 'white12': + return Colors.white12; + case 'white24': + return Colors.white24; + case 'white30': + return Colors.white30; + case 'white38': + return Colors.white38; + case 'white54': + return Colors.white54; + case 'white60': + return Colors.white60; + case 'white70': + return Colors.white70; + case 'red': + return Colors.red; + case 'redAccent': + return Colors.redAccent; + case 'amber': + return Colors.amber; + case 'amberAccent': + return Colors.amberAccent; + case 'yellow': + return Colors.yellow; + case 'yellowAccent': + return Colors.yellowAccent; + case 'teal': + return Colors.teal; + case 'tealAccent': + return Colors.tealAccent; + case 'purple': + return Colors.purple; + case 'purpleAccent': + return Colors.purpleAccent; + case 'pink': + return Colors.pink; + case 'pinkAccent': + return Colors.pinkAccent; + case 'orange': + return Colors.orange; + case 'orangeAccent': + return Colors.orangeAccent; + case 'deepOrange': + return Colors.deepOrange; + case 'deepOrangeAccent': + return Colors.deepOrangeAccent; + case 'indigo': + return Colors.indigo; + case 'indigoAccent': + return Colors.indigoAccent; + case 'lime': + return Colors.lime; + case 'limeAccent': + return Colors.limeAccent; + case 'grey': + return Colors.grey; + case 'blueGrey': + return Colors.blueGrey; + case 'green': + return Colors.green; + case 'greenAccent': + return Colors.greenAccent; + case 'lightGreen': + return Colors.lightGreen; + case 'lightGreenAccent': + return Colors.lightGreenAccent; + case 'blue': + return Colors.blue; + case 'blueAccent': + return Colors.blueAccent; + case 'lightBlue': + return Colors.lightBlue; + case 'lightBlueAccent': + return Colors.lightBlueAccent; + case 'cyan': + return Colors.cyan; + case 'cyanAccent': + return Colors.cyanAccent; + case 'brown': + return Colors.brown; + } + + if (s!.startsWith('rgba')) { + s = s.substring(5); // trim left 'rgba(' + s = s.substring(0, s.length - 1); // trim right ')' + final arr = s.split(',').map((e) => e.trim()).toList(); + return Color.fromRGBO(int.parse(arr[0]), int.parse(arr[1]), + int.parse(arr[2]), double.parse(arr[3])); + } + + if (!s.startsWith('#')) { + throw 'Color code not supported'; + } + + var hex = s.replaceFirst('#', ''); + hex = hex.length == 6 ? 'ff$hex' : hex; + final val = int.parse(hex, radix: 16); + return Color(val); +} diff --git a/app_flowy/packages/flowy_editor/lib/util/delta_diff.dart b/app_flowy/packages/flowy_editor/lib/util/delta_diff.dart new file mode 100644 index 0000000000..a676c6ea6b --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/util/delta_diff.dart @@ -0,0 +1,102 @@ +import 'dart:math' as math; + +import '../model/quill_delta.dart'; + +const Set WHITE_SPACE = { + 0x9, + 0xA, + 0xB, + 0xC, + 0xD, + 0x1C, + 0x1D, + 0x1E, + 0x1F, + 0x20, + 0xA0, + 0x1680, + 0x2000, + 0x2001, + 0x2002, + 0x2003, + 0x2004, + 0x2005, + 0x2006, + 0x2007, + 0x2008, + 0x2009, + 0x200A, + 0x202F, + 0x205F, + 0x3000 +}; + +// Diff between two texts - old text and new text +class Diff { + Diff(this.start, this.deleted, this.inserted); + + // Start index in old text at which changes begin. + final int start; + + /// The deleted text + final String deleted; + + // The inserted text + final String inserted; + + @override + String toString() { + return 'Diff[$start, "$deleted", "$inserted"]'; + } +} + +/* Get diff operation between old text and new text */ +Diff getDiff(String oldText, String newText, int cursorPosition) { + var end = oldText.length; + final delta = newText.length - end; + for (final limit = math.max(0, cursorPosition - delta); + end > limit && oldText[end - 1] == newText[end + delta - 1]; + end--) {} + var start = 0; + for (final startLimit = cursorPosition - math.max(0, delta); + start < startLimit && oldText[start] == newText[start]; + start++) {} + final deleted = (start >= end) ? '' : oldText.substring(start, end); + final inserted = newText.substring(start, end + delta); + return Diff(start, deleted, inserted); +} + +int getPositionDelta(Delta user, Delta actual) { + if (actual.isEmpty) { + return 0; + } + + final userItr = DeltaIterator(user); + final actualItr = DeltaIterator(actual); + var diff = 0; + while (userItr.hasNext || actualItr.hasNext) { + final length = math.min(userItr.peekLength(), actualItr.peekLength()); + final userOperation = userItr.next(length as int); + final actualOperation = actualItr.next(length); + if (userOperation.length != actualOperation.length) { + throw 'userOp ${userOperation.length} does not match actualOp ${actualOperation.length}'; + } + if (userOperation.key == actualOperation.key) { + continue; + } else if (userOperation.isInsert && actualOperation.isRetain) { + diff -= userOperation.length!; + } else if (userOperation.isDelete && actualOperation.isRetain) { + diff += userOperation.length!; + } else if (userOperation.isRetain && actualOperation.isInsert) { + String? operationTxt = ''; + if (actualOperation.data is String) { + operationTxt = actualOperation.data as String?; + } + if (operationTxt!.startsWith('\n')) { + continue; + } + diff += actualOperation.length!; + } + } + return diff; +} diff --git a/app_flowy/packages/flowy_editor/lib/widget/builder.dart b/app_flowy/packages/flowy_editor/lib/widget/builder.dart new file mode 100644 index 0000000000..d035604dcc --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/widget/builder.dart @@ -0,0 +1,192 @@ +import 'dart:convert'; +import 'dart:io' as io; + +import 'package:flutter/foundation.dart'; +import 'package:flutter/gestures.dart'; +import 'package:flutter/material.dart'; +import 'package:string_validator/string_validator.dart'; + +import '../model/document/node/leaf.dart'; +import '../widget/raw_editor.dart'; +import '../widget/selection.dart'; +import '../rendering/editor.dart'; + +/* ----------------------- Selection Gesture Detector ----------------------- */ + +abstract class EditorTextSelectionGestureDetectorBuilderDelegate { + GlobalKey getEditableTextKey(); + + bool getForcePressEnabled(); + + bool getSelectionEnabled(); +} + +class EditorTextSelectionGestureDetectorBuilder { + EditorTextSelectionGestureDetectorBuilder(this.delegate); + + final EditorTextSelectionGestureDetectorBuilderDelegate delegate; + bool shouldShowSelectionToolbar = true; + + EditorState? getEditor() { + return delegate.getEditableTextKey().currentState; + } + + RenderEditor? getRenderEditor() { + return getEditor()!.getRenderEditor(); + } + + void onForcePressStart(ForcePressDetails details) { + assert(delegate.getForcePressEnabled()); + shouldShowSelectionToolbar = true; + if (delegate.getSelectionEnabled()) { + getRenderEditor()!.selectWordsInRange( + details.globalPosition, + null, + SelectionChangedCause.forcePress, + ); + } + } + + void onForcePressEnd(ForcePressDetails details) { + assert(delegate.getForcePressEnabled()); + getRenderEditor()!.selectWordsInRange( + details.globalPosition, + null, + SelectionChangedCause.forcePress, + ); + if (shouldShowSelectionToolbar) { + getEditor()!.showToolbar(); + } + } + + void onTapDown(TapDownDetails details) { + getRenderEditor()!.handleTapDown(details); + + final kind = details.kind; + shouldShowSelectionToolbar = kind == null || + kind == PointerDeviceKind.touch || + kind == PointerDeviceKind.stylus; + } + + void onTapUp(TapUpDetails details) { + if (delegate.getSelectionEnabled()) { + getRenderEditor()!.selectWordEdge(SelectionChangedCause.tap); + } + } + + void onTapCancel() {} + + void onLongPressStart(LongPressStartDetails details) { + if (delegate.getSelectionEnabled()) { + getRenderEditor()!.selectPositionAt( + details.globalPosition, + null, + SelectionChangedCause.longPress, + ); + } + } + + void onLongPressMoveUpdate(LongPressMoveUpdateDetails details) { + if (delegate.getSelectionEnabled()) { + getRenderEditor()!.selectPositionAt( + details.globalPosition, + null, + SelectionChangedCause.longPress, + ); + } + } + + void onLongPressEnd(LongPressEndDetails details) { + if (shouldShowSelectionToolbar) { + getEditor()!.showToolbar(); + } + } + + void onDoubleTapDown(TapDownDetails details) { + if (delegate.getSelectionEnabled()) { + getRenderEditor()!.selectWord(SelectionChangedCause.tap); + if (shouldShowSelectionToolbar) { + getEditor()!.showToolbar(); + } + } + } + + void onDragSelectionStart(DragStartDetails details) { + getRenderEditor()!.selectPositionAt( + details.globalPosition, + null, + SelectionChangedCause.drag, + ); + } + + void onDragSelectionUpdate( + DragStartDetails startDetails, DragUpdateDetails updateDetails) { + getRenderEditor()!.selectPositionAt( + startDetails.globalPosition, + updateDetails.globalPosition, + SelectionChangedCause.drag, + ); + } + + void onDragSelectionEnd(DragEndDetails details) {} + + Widget build(HitTestBehavior behavior, Widget child) { + return EditorTextSelectionGestureDetector( + onTapUp: onTapUp, + onTapDown: onTapDown, + onTapCancel: onTapCancel, + onForcePressStart: + delegate.getForcePressEnabled() ? onForcePressStart : null, + onForcePressEnd: delegate.getForcePressEnabled() ? onForcePressEnd : null, + onLongPressStart: onLongPressStart, + onLongPressMoveUpdate: onLongPressMoveUpdate, + onLongPressEnd: onLongPressEnd, + onDoubleTapDown: onDoubleTapDown, + onDragSelectionStart: onDragSelectionStart, + onDragSelectionUpdate: onDragSelectionUpdate, + onDragSelectionEnd: onDragSelectionEnd, + behavior: behavior, + child: child, + ); + } +} + +/* ---------------------------------- Embed --------------------------------- */ + +class EmbedBuilder { + static const kImageTypeKey = 'image'; + static const kVideoTypeKey = 'video'; + + static Widget defaultBuilder(BuildContext context, Embed node) { + assert(!kIsWeb, 'Please provide EmbedBuilder for Web'); + switch (node.value.type) { + case kImageTypeKey: + return _generateImageEmbed(context, node); + default: + throw UnimplementedError( + 'Embeddable type "${node.value.type}" is not supported by default embed ' + 'builder of QuillEditor. You must pass your own builder function to ' + 'embedBuilder property of QuillEditor or QuillField widgets.'); + } + } + + // Generator + + static Widget _generateImageEmbed(BuildContext context, Embed node) { + final imageUrl = standardizeImageUrl(node.value.data); + return imageUrl.startsWith('http') + ? Image.network(imageUrl) + : isBase64(imageUrl) + ? Image.memory(base64.decode(imageUrl)) + : Image.file(io.File(imageUrl)); + } + + // Helper + + static String standardizeImageUrl(String url) { + if (url.contains('base64')) { + return url.split(',')[1]; + } + return url; + } +} diff --git a/app_flowy/packages/flowy_editor/lib/widget/editor.dart b/app_flowy/packages/flowy_editor/lib/widget/editor.dart new file mode 100644 index 0000000000..9fcad36207 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/widget/editor.dart @@ -0,0 +1,497 @@ +import 'dart:io' as io; +import 'dart:convert'; +import 'dart:ui'; + +import 'package:flowy_editor/widget/image_viewer_screen.dart'; +import 'package:flutter/cupertino.dart'; +import 'package:flutter/material.dart'; +import 'package:url_launcher/url_launcher.dart'; +import 'package:string_validator/string_validator.dart'; + +import '../widget/raw_editor.dart'; +import '../widget/builder.dart'; +import '../widget/proxy.dart'; +import '../model/document/attribute.dart'; +import '../model/document/document.dart'; +import '../model/document/node/embed.dart'; +import '../model/document/node/line.dart'; +import '../model/document/node/container.dart' as container_node; +import '../model/document/node/leaf.dart' as leaf; +import '../service/controller.dart'; +import '../service/cursor.dart'; +import '../service/style.dart'; + +const linkPrefixes = [ + 'mailto:', // email + 'tel:', // telephone + 'sms:', // SMS + 'callto:', + 'wtai:', + 'market:', + 'geopoint:', + 'ymsgr:', + 'msnim:', + 'gtalk:', // Google Talk + 'skype:', + 'sip:', // Lync + 'whatsapp:', + 'http' +]; + +/* ------------------------------ Flowy Editor ------------------------------ */ + +class FlowyEditor extends StatefulWidget { + const FlowyEditor({ + Key? key, + required this.controller, + required this.focusNode, + required this.scrollController, + required this.scrollable, + required this.scrollBottomInset, + required this.padding, + required this.autoFocus, + required this.readOnly, + required this.expands, + this.showCursor, + this.placeholder, + this.enableInteractiveSelection = true, + this.minHeight, + this.maxHeight, + this.customStyles, + this.textCapitalization = TextCapitalization.sentences, + this.keyboardAppearance = Brightness.light, + this.scrollPhysics, + this.embedBuilder = EmbedBuilder.defaultBuilder, + this.onLaunchUrl, + this.onTapDown, + this.onTapUp, + this.onLongPressStart, + this.onLongPressMoveUpdate, + this.onLongPressEnd, + }); + + factory FlowyEditor.basic({ + required EditorController controller, + required bool readOnly, + }) { + return FlowyEditor( + controller: controller, + focusNode: FocusNode(), + scrollController: ScrollController(), + scrollable: true, + scrollBottomInset: 0, + padding: EdgeInsets.zero, + autoFocus: true, + readOnly: readOnly, + expands: false, + ); + } + + final EditorController controller; + final FocusNode focusNode; + final ScrollController scrollController; + final bool scrollable; + final double scrollBottomInset; + final EdgeInsetsGeometry padding; + final bool autoFocus; + final bool? showCursor; + final bool readOnly; + final String? placeholder; + final bool enableInteractiveSelection; + final double? minHeight; + final double? maxHeight; + final DefaultStyles? customStyles; + final bool expands; + final TextCapitalization textCapitalization; + final Brightness keyboardAppearance; + final ScrollPhysics? scrollPhysics; + final EmbedBuilderFuncion embedBuilder; + + // Callback + + final ValueChanged? onLaunchUrl; + + /// Returns whether gesture is handled + final bool Function(TapDownDetails details, TextPosition textPosition)? onTapDown; + + /// Returns whether gesture is handled + final bool Function(TapUpDetails details, TextPosition textPosition)? onTapUp; + + /// Returns whether gesture is handled + final bool Function(LongPressStartDetails details, TextPosition textPosition)? onLongPressStart; + + /// Returns whether gesture is handled + final bool Function(LongPressMoveUpdateDetails details, TextPosition textPosition)? onLongPressMoveUpdate; + + /// Returns whether gesture is handled + final bool Function(LongPressEndDetails details, TextPosition textPosition)? onLongPressEnd; + + @override + _FlowyEditorState createState() => _FlowyEditorState(); +} + +class _FlowyEditorState extends State implements EditorTextSelectionGestureDetectorBuilderDelegate { + final GlobalKey _editorKey = GlobalKey(); + late EditorTextSelectionGestureDetectorBuilder _selectionGestureDetectorBuilder; + + @override + void initState() { + super.initState(); + _selectionGestureDetectorBuilder = _FlowyEditorSelectionGestureDetectorBuilder(this); + } + + @override + Widget build(BuildContext context) { + final theme = Theme.of(context); + final selectionTheme = TextSelectionTheme.of(context); + + TextSelectionControls textSelectionControls; + bool paintCursorAboveText; + bool cursorOpacityAnimates; + Offset? cursorOffset; + Color? cursorColor; + Color selectionColor; + Radius? cursorRadius; + + switch (theme.platform) { + case TargetPlatform.android: + case TargetPlatform.fuchsia: + case TargetPlatform.linux: + case TargetPlatform.windows: + textSelectionControls = materialTextSelectionControls; + paintCursorAboveText = false; + cursorOpacityAnimates = false; + cursorColor ??= selectionTheme.cursorColor ?? theme.colorScheme.primary; + selectionColor = selectionTheme.selectionColor ?? theme.colorScheme.primary.withOpacity(0.40); + break; + case TargetPlatform.iOS: + case TargetPlatform.macOS: + final cupertinoTheme = CupertinoTheme.of(context); + textSelectionControls = cupertinoTextSelectionControls; + paintCursorAboveText = true; + cursorOpacityAnimates = true; + cursorColor ??= selectionTheme.cursorColor ?? cupertinoTheme.primaryColor; + selectionColor = selectionTheme.selectionColor ?? cupertinoTheme.primaryColor.withOpacity(0.40); + cursorRadius ??= const Radius.circular(2); + cursorOffset = Offset(iOSHorizontalOffset / MediaQuery.of(context).devicePixelRatio, 0); + break; + default: + throw UnimplementedError(); + } + + final showSelectionHandles = theme.platform == TargetPlatform.iOS || theme.platform == TargetPlatform.android; + + return _selectionGestureDetectorBuilder.build( + HitTestBehavior.translucent, + RawEditor( + _editorKey, + widget.controller, + widget.focusNode, + widget.scrollController, + widget.scrollable, + widget.scrollBottomInset, + widget.padding, + widget.readOnly, + widget.placeholder, + widget.onLaunchUrl, + ToolbarOptions( + copy: widget.enableInteractiveSelection, + cut: widget.enableInteractiveSelection, + paste: widget.enableInteractiveSelection, + selectAll: widget.enableInteractiveSelection, + ), + showSelectionHandles, + widget.showCursor, + CursorStyle( + color: cursorColor, + backgroundColor: Colors.grey, + width: 2, + radius: cursorRadius, + offset: cursorOffset, + paintAboveText: paintCursorAboveText, + opacityAnimates: cursorOpacityAnimates, + ), + widget.textCapitalization, + widget.maxHeight, + widget.minHeight, + widget.customStyles, + widget.expands, + widget.autoFocus, + selectionColor, + textSelectionControls, + widget.keyboardAppearance, + widget.enableInteractiveSelection, + widget.scrollPhysics, + widget.embedBuilder, + ), + ); + } + + @override + GlobalKey getEditableTextKey() => _editorKey; + + @override + bool getForcePressEnabled() => false; + + @override + bool getSelectionEnabled() => widget.enableInteractiveSelection; + + void _requestKeyboard() { + _editorKey.currentState!.requestKeyboard(); + } +} + +/* --------------------------------- Gesture -------------------------------- */ + +class _FlowyEditorSelectionGestureDetectorBuilder extends EditorTextSelectionGestureDetectorBuilder { + _FlowyEditorSelectionGestureDetectorBuilder(this._state) : super(_state); + + final _FlowyEditorState _state; + + @override + void onForcePressStart(ForcePressDetails details) { + super.onForcePressStart(details); + if (delegate.getSelectionEnabled() && shouldShowSelectionToolbar) { + getEditor()!.showToolbar(); + } + } + + @override + void onForcePressEnd(ForcePressDetails details) {} + + @override + void onLongPressMoveUpdate(LongPressMoveUpdateDetails details) { + if (_state.widget.onLongPressMoveUpdate != null) { + final renderEditor = getRenderEditor(); + if (renderEditor != null) { + if (_state.widget.onLongPressMoveUpdate!(details, renderEditor.getPositionForOffset(details.globalPosition))) { + return; + } + } + } + if (!delegate.getSelectionEnabled()) { + return; + } + + switch (Theme.of(_state.context).platform) { + case TargetPlatform.iOS: + case TargetPlatform.macOS: + getRenderEditor()!.selectPositionAt( + details.globalPosition, + null, + SelectionChangedCause.longPress, + ); + break; + case TargetPlatform.android: + case TargetPlatform.fuchsia: + case TargetPlatform.linux: + case TargetPlatform.windows: + getRenderEditor()!.selectWordsInRange( + details.globalPosition - details.offsetFromOrigin, + details.globalPosition, + SelectionChangedCause.longPress, + ); + break; + default: + throw 'Invalid platform'; + } + } + + @override + void onTapDown(TapDownDetails details) { + if (_state.widget.onTapDown != null) { + final renderEditor = getRenderEditor(); + if (renderEditor != null) { + if (_state.widget.onTapDown!(details, renderEditor.getPositionForOffset(details.globalPosition))) { + return; + } + } + } + super.onTapDown(details); + } + + @override + void onTapUp(TapUpDetails details) { + if (_state.widget.onTapUp != null) { + final renderEditor = getRenderEditor(); + if (renderEditor != null) { + if (_state.widget.onTapUp!(details, renderEditor.getPositionForOffset(details.globalPosition))) { + return; + } + } + } + + getEditor()!.hideToolbar(); + + final positionSelected = _onTappingBlock(details); + if (delegate.getSelectionEnabled() && !positionSelected) { + switch (Theme.of(_state.context).platform) { + case TargetPlatform.iOS: + case TargetPlatform.macOS: + switch (details.kind) { + case PointerDeviceKind.mouse: + case PointerDeviceKind.stylus: + case PointerDeviceKind.invertedStylus: + getRenderEditor()!.selectPosition(SelectionChangedCause.tap); + break; + case PointerDeviceKind.touch: + case PointerDeviceKind.unknown: + getRenderEditor()!.selectWordEdge(SelectionChangedCause.tap); + break; + } + break; + case TargetPlatform.android: + case TargetPlatform.fuchsia: + case TargetPlatform.linux: + case TargetPlatform.windows: + getRenderEditor()!.selectPosition(SelectionChangedCause.tap); + break; + } + } + _state._requestKeyboard(); + } + + @override + void onLongPressStart(LongPressStartDetails details) { + if (_state.widget.onLongPressStart != null) { + final renderEditor = getRenderEditor(); + if (renderEditor != null) { + if (_state.widget.onLongPressStart!(details, renderEditor.getPositionForOffset(details.globalPosition))) { + return; + } + } + } + + if (delegate.getSelectionEnabled()) { + switch (Theme.of(_state.context).platform) { + case TargetPlatform.iOS: + case TargetPlatform.macOS: + getRenderEditor()!.selectPositionAt( + details.globalPosition, + null, + SelectionChangedCause.longPress, + ); + break; + case TargetPlatform.android: + case TargetPlatform.fuchsia: + case TargetPlatform.linux: + case TargetPlatform.windows: + getRenderEditor()!.selectWord(SelectionChangedCause.longPress); + Feedback.forLongPress(_state.context); + break; + default: + throw 'Invalid platform'; + } + } + } + + @override + void onLongPressEnd(LongPressEndDetails details) { + if (_state.widget.onLongPressEnd != null) { + final renderEditor = getRenderEditor(); + if (renderEditor != null) { + if (_state.widget.onLongPressEnd!(details, renderEditor.getPositionForOffset(details.globalPosition))) { + return; + } + } + super.onLongPressEnd(details); + } + } + + // Util + + bool _onTappingBlock(TapUpDetails details) { + if (_state.widget.controller.document.isEmpty()) { + return false; + } + + final position = getRenderEditor()!.getPositionForOffset(details.globalPosition); + final result = getEditor()!.widget.controller.document.queryChild(position.offset); + if (result.node == null) { + return false; + } + + final line = result.node as Line; + final segmentResult = line.queryChild(result.offset, false); + + // Checkbox + if (segmentResult.node == null) { + if (line.length == 1) { + // tapping when no text yet on this line + _flipListCheckbox(position, line, segmentResult); + getEditor()!.widget.controller.updateSelection( + TextSelection.collapsed(offset: position.offset), + ChangeSource.LOCAL, + ); + return true; + } + return false; + } + + // Link + final segment = segmentResult.node as leaf.Leaf; + if (segment.style.containsKey(Attribute.link.key)) { + var launchUrl = getEditor()!.widget.onLaunchUrl; + launchUrl ??= _launchUrl; + String? link = segment.style.attributes[Attribute.link.key]!.value; + if (getEditor()!.widget.readOnly && link != null) { + link = link.trim(); + if (!linkPrefixes.any((linkPrefix) => link!.toLowerCase().startsWith(linkPrefix))) { + link = 'https://$link'; + } + launchUrl(link); + } + return false; + } + + // Image + if (getEditor()!.widget.readOnly && segment.value is BlockEmbed) { + final blockEmbed = segment.value as BlockEmbed; + if (blockEmbed.type == 'image') { + final imageUrl = EmbedBuilder.standardizeImageUrl(blockEmbed.data); + Navigator.push( + getEditor()!.context, + MaterialPageRoute(builder: (context) { + return ImageTapWrapper( + imageProvider: imageUrl.startsWith('http') + ? NetworkImage(imageUrl) + : isBase64(imageUrl) + ? Image.memory(base64.decode(imageUrl)) as ImageProvider? + : FileImage(io.File(imageUrl)), + ); + }), + ); + } + return false; + } + + // Fallback + if (_flipListCheckbox(position, line, segmentResult)) { + return true; + } + return false; + } + + bool _flipListCheckbox(TextPosition position, Line line, container_node.ChildQuery segmentResult) { + if (getEditor()!.widget.readOnly || !line.style.containsKey(Attribute.list.key) || segmentResult.offset != 0) { + return false; + } + + // segmentResult.offset == 0 means tap at the beginning of the TextLine + final String? listVal = line.style.attributes[Attribute.list.key]!.value; + if (Attribute.unchecked.value == listVal) { + getEditor()!.widget.controller.formatText(position.offset, 0, Attribute.checked); + } else if (Attribute.checked.value == listVal) { + getEditor()!.widget.controller.formatText(position.offset, 0, Attribute.unchecked); + } + getEditor()!.widget.controller.updateSelection( + TextSelection.collapsed(offset: position.offset), + ChangeSource.LOCAL, + ); + return true; + } + + Future _launchUrl(String url) async { + await launch(url); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/widget/flowy_toolbar.dart b/app_flowy/packages/flowy_editor/lib/widget/flowy_toolbar.dart new file mode 100644 index 0000000000..9da37d5e70 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/widget/flowy_toolbar.dart @@ -0,0 +1,929 @@ +import 'package:flutter/foundation.dart'; +import 'package:flutter/material.dart'; +import 'package:flutter_colorpicker/flutter_colorpicker.dart'; + +import '../model/document/style.dart'; +import '../model/document/attribute.dart'; +import '../model/document/node/embed.dart'; +import '../util/color.dart'; +import '../service/controller.dart'; +import 'toolbar.dart'; + +/* -------------------------------- Constant -------------------------------- */ + +const double kToolbarIconHeight = 18.0; +const double kToolbarButtonHeight = kToolbarIconHeight * 1.77; + +class FlowyToolbar extends EditorToolbar { + const FlowyToolbar({ + required List children, + Key? key, + }) : super( + children: children, + customButtonHeight: kToolbarButtonHeight, + key: key, + ); + + factory FlowyToolbar.basic({ + required EditorController controller, + double? toolbarIconSize, + bool showHistory = true, + bool showBold = true, + bool showItalic = true, + bool showUnderline = true, + bool showStrikethrough = true, + bool showColor = true, + bool showBackgroundColor = true, + bool showClearFormat = true, + bool showHeader = true, + bool showBulletList = true, + bool showOrderedList = true, + bool showCheckList = true, + bool showCodeblock = true, + bool showQuoteblock = true, + bool showIndent = true, + bool showLink = true, + bool showHorizontalLine = true, + OnImageSelectCallback? onImageSelectCallback, + Key? key, + }) { + return FlowyToolbar(children: [ + Visibility( + visible: showHistory, + child: HistoryButton( + icon: Icons.undo_outlined, + controller: controller, + isUndo: true, + ), + ), + Visibility( + visible: showHistory, + child: HistoryButton( + icon: Icons.redo_outlined, + controller: controller, + isUndo: false, + ), + ), + const SizedBox(width: 0.6), + Visibility( + visible: showBold, + child: ToggleStyleButton( + attribute: Attribute.bold, + icon: Icons.format_bold, + controller: controller, + ), + ), + const SizedBox(width: 0.6), + Visibility( + visible: showItalic, + child: ToggleStyleButton( + attribute: Attribute.italic, + icon: Icons.format_italic, + controller: controller, + ), + ), + const SizedBox(width: 0.6), + Visibility( + visible: showUnderline, + child: ToggleStyleButton( + attribute: Attribute.underline, + icon: Icons.format_underline, + controller: controller, + ), + ), + const SizedBox(width: 0.6), + Visibility( + visible: showStrikethrough, + child: ToggleStyleButton( + attribute: Attribute.strikeThrough, + icon: Icons.format_strikethrough, + controller: controller, + ), + ), + const SizedBox(width: 0.6), + Visibility( + visible: showColor, + child: ColorButton( + icon: Icons.color_lens, + controller: controller, + isBackground: false, + ), + ), + const SizedBox(width: 0.6), + Visibility( + visible: showColor, + child: ColorButton( + icon: Icons.format_color_fill, + controller: controller, + isBackground: true, + ), + ), + const SizedBox(width: 0.6), + Visibility( + visible: showColor, + child: ClearFormatButton( + icon: Icons.format_clear, + controller: controller, + ), + ), + const SizedBox(width: 0.6), + Visibility( + visible: showOrderedList, + child: ToggleStyleButton( + attribute: Attribute.ordered, + icon: Icons.format_list_numbered, + controller: controller, + ), + ), + Visibility( + visible: showBulletList, + child: ToggleStyleButton( + attribute: Attribute.bullet, + icon: Icons.format_list_bulleted, + controller: controller, + ), + ), + Visibility( + visible: showCheckList, + child: ToggleStyleButton( + attribute: Attribute.unchecked, + icon: Icons.check_box, + controller: controller, + ), + ), + Visibility( + visible: showCodeblock, + child: ToggleStyleButton( + attribute: Attribute.codeBlock, + icon: Icons.code, + controller: controller, + ), + ), + Visibility( + visible: showHeader, + child: VerticalDivider( + indent: 12, endIndent: 12, color: Colors.grey.shade400), + ), + Visibility( + visible: showHeader, + child: HeaderStyleButton(controller: controller), + ), + VerticalDivider(indent: 12, endIndent: 12, color: Colors.grey.shade400), + Visibility( + visible: !showOrderedList && + !showBulletList && + !showCheckList && + !showCodeblock, + child: VerticalDivider( + indent: 12, endIndent: 12, color: Colors.grey.shade400), + ), + Visibility( + visible: showQuoteblock, + child: ToggleStyleButton( + attribute: Attribute.quoteBlock, + controller: controller, + icon: Icons.format_quote, + ), + ), + Visibility( + visible: showIndent, + child: IndentButton( + icon: Icons.format_indent_increase, + controller: controller, + isIncrease: true, + ), + ), + Visibility( + visible: showIndent, + child: IndentButton( + icon: Icons.format_indent_decrease, + controller: controller, + isIncrease: false, + ), + ), + Visibility( + visible: showQuoteblock, + child: VerticalDivider( + indent: 12, endIndent: 12, color: Colors.grey.shade400), + ), + Visibility( + visible: showLink, + child: LinkStyleButton( + controller: controller, + icon: Icons.link, + ), + ), + ]); + } +} + +/* ---------------------------------- Util ---------------------------------- */ + +class ToolbarIconButton extends StatelessWidget { + const ToolbarIconButton({ + this.onPressed, + this.icon, + this.size = 40, + this.fillColor, + this.hoverElevation = 1, + this.highlightElevation = 1, + Key? key, + }) : super(key: key); + + final VoidCallback? onPressed; + final Widget? icon; + final double size; + final Color? fillColor; + final double hoverElevation; + final double highlightElevation; + + @override + Widget build(BuildContext context) { + return ConstrainedBox( + constraints: BoxConstraints.tightFor(width: size, height: size), + child: RawMaterialButton( + visualDensity: VisualDensity.compact, + shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(2)), + fillColor: fillColor, + elevation: 0, + hoverElevation: hoverElevation, + highlightElevation: hoverElevation, + onPressed: onPressed, + child: icon, + ), + ); + } +} + +/* ------------------------------- Button Impl ------------------------------ */ + +// History (Redo, Undo) +class HistoryButton extends StatefulWidget { + const HistoryButton({ + required this.icon, + required this.isUndo, + required this.controller, + Key? key, + }) : super(key: key); + + final IconData icon; + final bool isUndo; + final EditorController controller; + + @override + _HistoryButtonState createState() => _HistoryButtonState(); +} + +class _HistoryButtonState extends State { + Color? _iconColor; + late ThemeData theme; + + @override + Widget build(BuildContext context) { + theme = Theme.of(context); + _setIconColor(); + + final fillColor = theme.canvasColor; + widget.controller.changes.listen((event) async { + _setIconColor(); + }); + return ToolbarIconButton( + size: kToolbarButtonHeight, + fillColor: fillColor, + hoverElevation: 0, + highlightElevation: 0, + icon: Icon(widget.icon, size: kToolbarIconHeight, color: _iconColor), + onPressed: _applyHistory, + ); + } + + void _applyHistory() { + if (widget.isUndo) { + if (widget.controller.hasUndo) { + widget.controller.undo(); + } + } else { + if (widget.controller.hasRedo) { + widget.controller.redo(); + } + } + _setIconColor(); + } + + void _setIconColor() { + if (!mounted) { + return; + } + + if (widget.isUndo) { + setState(() { + _iconColor = widget.controller.hasUndo + ? theme.iconTheme.color + : theme.disabledColor; + }); + } else { + setState(() { + _iconColor = widget.controller.hasRedo + ? theme.iconTheme.color + : theme.disabledColor; + }); + } + } +} + +// Toggle Style (Bold, Italic, Underline, etc..) + +typedef ToggleStyleButtonBuilder = Widget Function( + BuildContext context, + Attribute attribute, + IconData icon, + Color? fillColor, + bool? isToggled, + VoidCallback? onPressed, +); + +Widget defaultToggleStyleButtonBuilder( + BuildContext context, + Attribute attribute, + IconData icon, + Color? fillColor, + bool? isToggled, + VoidCallback? onPressed, +) { + final theme = Theme.of(context); + final isEnabled = onPressed != null; + final iconColor = isEnabled + ? isToggled == true + ? theme.primaryIconTheme.color + : theme.iconTheme.color + : theme.disabledColor; + final theFillColor = isToggled == true + ? theme.toggleableActiveColor + : fillColor ?? theme.canvasColor; + return ToolbarIconButton( + onPressed: onPressed, + icon: Icon(icon, size: kToolbarIconHeight, color: iconColor), + size: kToolbarButtonHeight, + fillColor: theFillColor, + hoverElevation: 0, + highlightElevation: 0, + ); +} + +class ToggleStyleButton extends StatefulWidget { + const ToggleStyleButton({ + required this.attribute, + required this.icon, + required this.controller, + this.fillColor, + this.childBuilder = defaultToggleStyleButtonBuilder, + Key? key, + }) : super(key: key); + + final Attribute attribute; + final IconData icon; + final Color? fillColor; + final EditorController controller; + final ToggleStyleButtonBuilder childBuilder; + + @override + _ToggleStyleButtonState createState() => _ToggleStyleButtonState(); +} + +class _ToggleStyleButtonState extends State { + bool? _isToggled; + + Style get _selectionStyle => widget.controller.getSelectionStyle(); + + @override + void didUpdateWidget(covariant ToggleStyleButton oldWidget) { + super.didUpdateWidget(oldWidget); + if (oldWidget.controller != widget.controller) { + oldWidget.controller.removeListener(_didChangeEditingValue); + widget.controller.addListener(_didChangeEditingValue); + _isToggled = _checkIfAttrToggled(_selectionStyle.attributes); + } + } + + @override + void initState() { + super.initState(); + _isToggled = _checkIfAttrToggled(_selectionStyle.attributes); + widget.controller.addListener(_didChangeEditingValue); + } + + @override + void dispose() { + widget.controller.removeListener(_didChangeEditingValue); + super.dispose(); + } + + @override + Widget build(BuildContext context) { + final isInCodeBlock = + _selectionStyle.attributes.containsKey(Attribute.codeBlock.key); + final isEnabled = + !isInCodeBlock || widget.attribute.key == Attribute.codeBlock.key; + return widget.childBuilder( + context, + widget.attribute, + widget.icon, + widget.fillColor, + _isToggled, + isEnabled ? _toggleAttribute : null, + ); + } + + bool _checkIfAttrToggled(Map attrs) { + if (widget.attribute.key == Attribute.list.key) { + final attribute = attrs[widget.attribute.key]; + if (attribute == null) { + return false; + } + return attribute.value == widget.attribute.value; + } + return attrs.containsKey(widget.attribute.key); + } + + void _toggleAttribute() { + widget.controller.formatSelection( + _isToggled! ? Attribute.clone(widget.attribute, null) : widget.attribute, + ); + } + + void _didChangeEditingValue() { + setState(() { + _isToggled = + _checkIfAttrToggled(widget.controller.getSelectionStyle().attributes); + }); + } +} + +// Header Style + +class HeaderStyleButton extends StatefulWidget { + const HeaderStyleButton({ + required this.controller, + Key? key, + }) : super(key: key); + + final EditorController controller; + @override + _HeaderStyleButtonState createState() => _HeaderStyleButtonState(); +} + +class _HeaderStyleButtonState extends State { + Attribute? _value; + + Style get _selectionStyle => widget.controller.getSelectionStyle(); + + @override + void initState() { + super.initState(); + setState(() { + _value = + _selectionStyle.attributes[Attribute.header.key] ?? Attribute.header; + }); + widget.controller.addListener(_didChangeEditingValue); + } + + @override + void didUpdateWidget(covariant HeaderStyleButton oldWidget) { + super.didUpdateWidget(oldWidget); + if (oldWidget.controller != widget.controller) { + oldWidget.controller.removeListener(_didChangeEditingValue); + widget.controller.addListener(_didChangeEditingValue); + _value = + _selectionStyle.attributes[Attribute.header.key] ?? Attribute.header; + } + } + + @override + void dispose() { + widget.controller.removeListener(_didChangeEditingValue); + super.dispose(); + } + + @override + Widget build(BuildContext context) { + return _selectHeaderStyleButtonBuilder(context, _value); + } + + void _didChangeEditingValue() { + setState(() { + _value = + _selectionStyle.attributes[Attribute.header.key] ?? Attribute.header; + }); + } + + Widget _selectHeaderStyleButtonBuilder( + BuildContext context, Attribute? value) { + final theme = Theme.of(context); + final style = TextStyle( + fontWeight: FontWeight.w600, + fontSize: kToolbarIconHeight * 0.7, + ); + + final headerTextMapping = { + Attribute.header: 'N', + Attribute.h1: 'H1', + Attribute.h2: 'H2', + Attribute.h3: 'H3', + Attribute.h4: 'H4', + Attribute.h5: 'H5', + Attribute.h6: 'H6', + }; + final headerStyles = headerTextMapping.keys.toList(growable: false); + final headerTexts = headerTextMapping.values.toList(growable: false); + + return Row( + mainAxisSize: MainAxisSize.min, + children: List.generate(headerStyles.length, (index) { + return Padding( + padding: const EdgeInsets.symmetric(horizontal: !kIsWeb ? 1.0 : 5.0), + child: ConstrainedBox( + constraints: BoxConstraints.tightFor( + width: kToolbarButtonHeight, height: kToolbarButtonHeight), + child: RawMaterialButton( + fillColor: headerTextMapping[value] == headerTexts[index] + ? theme.toggleableActiveColor + : theme.canvasColor, + hoverElevation: 0, + highlightElevation: 0, + visualDensity: VisualDensity.compact, + shape: RoundedRectangleBorder( + borderRadius: BorderRadius.circular(2)), + onPressed: () { + widget.controller.formatSelection(headerStyles[index]); + }, + child: Text( + headerTexts[index], + style: style.copyWith( + color: headerTextMapping[value] == headerTexts[index] + ? theme.primaryIconTheme.color + : theme.iconTheme.color, + ), + ), + ), + ), + ); + }), + ); + } +} + +// Color (TextColor, BackgroundColor) + +class ColorButton extends StatefulWidget { + const ColorButton({ + required this.icon, + required this.isBackground, + required this.controller, + Key? key, + }) : super(key: key); + + final IconData icon; + final bool isBackground; + final EditorController controller; + + @override + _ColorButtonState createState() => _ColorButtonState(); +} + +class _ColorButtonState extends State { + late bool _isToggledColor; + late bool _isToggledBackground; + late bool _isWhite; + late bool _isWhiteBackground; + + Style get _selectionStyle => widget.controller.getSelectionStyle(); + + @override + void didUpdateWidget(covariant ColorButton oldWidget) { + super.didUpdateWidget(oldWidget); + if (oldWidget.controller != widget.controller) { + oldWidget.controller.removeListener(_didChangeEditingValue); + widget.controller.addListener(_didChangeEditingValue); + _updateToggledState(); + } + } + + @override + void initState() { + super.initState(); + _updateToggledState(); + } + + @override + void dispose() { + widget.controller.removeListener(_didChangeEditingValue); + super.dispose(); + } + + @override + Widget build(BuildContext context) { + final theme = Theme.of(context); + final iconColor = _isToggledColor && !widget.isBackground && !_isWhite + ? stringToColor(_selectionStyle.attributes['color']!.value) + : theme.iconTheme.color; + final iconColorBackground = + _isToggledBackground && widget.isBackground && !_isWhiteBackground + ? stringToColor(_selectionStyle.attributes['background']!.value) + : theme.iconTheme.color; + final fillColor = _isToggledColor && !widget.isBackground && _isWhite + ? stringToColor('#ffffff') + : theme.canvasColor; + final fillColorBackground = + _isToggledBackground && widget.isBackground && _isWhiteBackground + ? stringToColor('#ffffff') + : theme.canvasColor; + + return ToolbarIconButton( + size: kToolbarButtonHeight, + fillColor: widget.isBackground ? fillColorBackground : fillColor, + hoverElevation: 0, + highlightElevation: 0, + icon: Icon( + widget.icon, + size: kToolbarIconHeight, + color: widget.isBackground ? iconColorBackground : iconColor, + ), + onPressed: _showColorPicker, + ); + } + + void _didChangeEditingValue() { + setState(() { + _updateToggledState(); + widget.controller.addListener(_didChangeEditingValue); + }); + } + + void _updateToggledState() { + _isToggledColor = _checkIfToggledColor(_selectionStyle.attributes); + _isToggledBackground = + _checkIfToggledBackground(_selectionStyle.attributes); + _isWhite = _isToggledColor && + _selectionStyle.attributes['color']!.value == '#ffffff'; + _isWhiteBackground = _isToggledBackground && + _selectionStyle.attributes['background']!.value == '#ffffff'; + } + + bool _checkIfToggledColor(Map attrs) { + return attrs.containsKey(Attribute.color.key); + } + + bool _checkIfToggledBackground(Map attrs) { + return attrs.containsKey(Attribute.background.key); + } + + void _applyColor(Color color) { + var hex = color.value.toRadixString(16); + if (hex.startsWith('ff')) { + hex = hex.substring(2); + } + hex = '#$hex'; + widget.controller.formatSelection( + widget.isBackground ? BackgroundAttribute(hex) : ColorAttribute(hex)); + Navigator.of(context).pop(); + } + + void _showColorPicker() { + showDialog( + context: context, + builder: (_) { + return AlertDialog( + title: const Text('Select Color'), + backgroundColor: Theme.of(context).canvasColor, + content: SingleChildScrollView( + child: MaterialPicker( + pickerColor: const Color(0x00000000), + onColorChanged: _applyColor, + enableLabel: true, + ), + ), + ); + }); + } +} + +// Clear Format + +class ClearFormatButton extends StatefulWidget { + const ClearFormatButton({ + required this.icon, + required this.controller, + Key? key, + }) : super(key: key); + + final IconData icon; + final EditorController controller; + + @override + _ClearFormatButtonState createState() => _ClearFormatButtonState(); +} + +class _ClearFormatButtonState extends State { + @override + Widget build(BuildContext context) { + final theme = Theme.of(context); + final iconColor = theme.iconTheme.color; + final fillColor = theme.canvasColor; + return ToolbarIconButton( + size: kToolbarButtonHeight, + fillColor: fillColor, + hoverElevation: 0, + highlightElevation: 0, + icon: Icon(widget.icon, size: kToolbarIconHeight, color: iconColor), + onPressed: () { + widget.controller.getSelectionStyle().values.forEach((style) { + widget.controller.formatSelection(Attribute.clone(style, null)); + }); + }, + ); + } +} + +// Indent + +class IndentButton extends StatefulWidget { + const IndentButton({ + required this.icon, + required this.controller, + required this.isIncrease, + Key? key, + }) : super(key: key); + + final IconData icon; + final EditorController controller; + final bool isIncrease; + + @override + _IndentButtonState createState() => _IndentButtonState(); +} + +class _IndentButtonState extends State { + @override + Widget build(BuildContext context) { + final theme = Theme.of(context); + final iconColor = theme.iconTheme.color; + final fillColor = theme.canvasColor; + return ToolbarIconButton( + size: kToolbarButtonHeight, + fillColor: fillColor, + hoverElevation: 0, + highlightElevation: 0, + icon: Icon(widget.icon, size: kToolbarIconHeight, color: iconColor), + onPressed: () { + final indent = widget.controller + .getSelectionStyle() + .attributes[Attribute.indent.key]; + if (indent == null) { + if (widget.isIncrease) { + widget.controller.formatSelection(Attribute.indentL1); + } + return; + } + if (indent.value == 1 && !widget.isIncrease) { + widget.controller + .formatSelection(Attribute.clone(Attribute.indentL1, null)); + return; + } + + if (widget.isIncrease) { + // Next indent value + widget.controller + .formatSelection(Attribute.getIndentLevel(indent.value + 1)); + return; + } + // Prev indent value + widget.controller + .formatSelection(Attribute.getIndentLevel(indent.value - 1)); + }, + ); + } +} + +// Link + +class LinkStyleButton extends StatefulWidget { + const LinkStyleButton({ + required this.controller, + required this.icon, + Key? key, + }) : super(key: key); + + final IconData? icon; + final EditorController controller; + + @override + _LinkStyleButtonState createState() => _LinkStyleButtonState(); +} + +class _LinkStyleButtonState extends State { + @override + Widget build(BuildContext context) { + final theme = Theme.of(context); + final canAddLink = !widget.controller.selection.isCollapsed; + return ToolbarIconButton( + highlightElevation: 0, + hoverElevation: 0, + size: kToolbarButtonHeight, + icon: Icon( + widget.icon, + size: kToolbarIconHeight, + color: canAddLink ? theme.iconTheme.color : theme.disabledColor, + ), + fillColor: theme.canvasColor, + onPressed: canAddLink ? () => _openLinkDialog(context) : null, + ); + } + + void _openLinkDialog(BuildContext context) { + showDialog( + context: context, + builder: (context) { + return const LinkEditDialog(); + }).then(_applyLinkAttribute); + } + + void _applyLinkAttribute(String? value) { + if (value == null || value.isEmpty) { + return; + } + widget.controller.formatSelection(LinkAttribute(value)); + } +} + +class LinkEditDialog extends StatefulWidget { + const LinkEditDialog({Key? key}) : super(key: key); + + @override + _LinkEditDialogState createState() => _LinkEditDialogState(); +} + +class _LinkEditDialogState extends State { + String _value = ''; + + @override + Widget build(BuildContext context) { + return AlertDialog( + content: TextField( + decoration: const InputDecoration(labelText: 'Input Link'), + autofocus: true, + onChanged: _handleLinkChanged, + ), + actions: [ + TextButton( + onPressed: _value.isNotEmpty ? _handleFinishEditing : null, + child: const Text('Finish'), + ), + ], + ); + } + + void _handleLinkChanged(String value) { + setState(() => _value = value); + } + + void _handleFinishEditing() { + Navigator.pop(context, _value); + } +} + +// Embed + +class AddEmbedButton extends StatelessWidget { + const AddEmbedButton({ + required this.controller, + required this.icon, + this.fillColor, + Key? key, + }) : super(key: key); + + final IconData icon; + final EditorController controller; + final Color? fillColor; + + @override + Widget build(BuildContext context) { + final theme = Theme.of(context); + return ToolbarIconButton( + highlightElevation: 0, + hoverElevation: 0, + size: kToolbarButtonHeight, + icon: Icon(icon, size: kToolbarIconHeight, color: theme.iconTheme.color), + fillColor: fillColor ?? theme.canvasColor, + onPressed: () { + final index = controller.selection.baseOffset; + final length = controller.selection.extentOffset - index; + controller.replaceText( + index, + length, + BlockEmbed.horizontalRule, + null, + ); + }, + ); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/widget/image_viewer_screen.dart b/app_flowy/packages/flowy_editor/lib/widget/image_viewer_screen.dart new file mode 100644 index 0000000000..a120052f34 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/widget/image_viewer_screen.dart @@ -0,0 +1,24 @@ +import 'package:flutter/material.dart'; +import 'package:photo_view/photo_view.dart'; + +class ImageTapWrapper extends StatelessWidget { + const ImageTapWrapper({Key? key, this.imageProvider}); + + final ImageProvider? imageProvider; + + @override + Widget build(BuildContext context) { + return Scaffold( + body: Container( + constraints: + BoxConstraints.expand(height: MediaQuery.of(context).size.height), + child: GestureDetector( + onTapDown: (_) => Navigator.pop(context), + child: PhotoView( + imageProvider: imageProvider, + ), + ), + ), + ); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/widget/proxy.dart b/app_flowy/packages/flowy_editor/lib/widget/proxy.dart new file mode 100644 index 0000000000..736eefa2b3 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/widget/proxy.dart @@ -0,0 +1,97 @@ +import 'package:flutter/widgets.dart'; + +import '../model/document/node/leaf.dart'; +import '../rendering/proxy.dart'; + +/* -------------------------------- Baseline -------------------------------- */ + +class BaselineProxy extends SingleChildRenderObjectWidget { + const BaselineProxy({ + Key? key, + Widget? child, + this.textStyle, + this.padding, + }) : super(key: key, child: child); + + final TextStyle? textStyle; + final EdgeInsets? padding; + + @override + RenderBaselineProxy createRenderObject(BuildContext context) { + return RenderBaselineProxy(null, textStyle!, padding); + } + + @override + void updateRenderObject( + BuildContext context, covariant RenderBaselineProxy renderObject) { + renderObject + ..textStyle = textStyle! + ..padding = padding!; + } +} + +/* ---------------------------------- Embed --------------------------------- */ + +typedef EmbedBuilderFuncion = Widget Function(BuildContext context, Embed node); + +class EmbedProxy extends SingleChildRenderObjectWidget { + const EmbedProxy(Widget child) : super(child: child); + + @override + RenderEmbedProxy createRenderObject(BuildContext context) => + RenderEmbedProxy(null); +} + +/* ---------------------------------- Text ---------------------------------- */ + +class RichTextProxy extends SingleChildRenderObjectWidget { + const RichTextProxy( + RichText child, + this.textStyle, + this.textAlign, + this.textDirection, + this.textScaleFactor, + this.locale, + this.strutStyle, + this.textWidthBasis, + this.textHeightBehavior, + ) : super(child: child); + + final TextStyle textStyle; + final TextAlign textAlign; + final TextDirection textDirection; + final double textScaleFactor; + final Locale locale; + final StrutStyle strutStyle; + final TextWidthBasis textWidthBasis; + final TextHeightBehavior? textHeightBehavior; + + @override + RenderParagraphProxy createRenderObject(BuildContext context) { + return RenderParagraphProxy( + null, + textStyle, + textAlign, + textDirection, + textScaleFactor, + strutStyle, + locale, + textWidthBasis, + textHeightBehavior, + ); + } + + @override + void updateRenderObject( + BuildContext context, covariant RenderParagraphProxy renderObject) { + renderObject + ..textStyle = textStyle + ..textAlign = textAlign + ..textDirection = textDirection + ..textScaleFactor = textScaleFactor + ..locale = locale + ..strutStyle = strutStyle + ..textWidthBasis = textWidthBasis + ..textHeightBehavior = textHeightBehavior; + } +} diff --git a/app_flowy/packages/flowy_editor/lib/widget/raw_editor.dart b/app_flowy/packages/flowy_editor/lib/widget/raw_editor.dart new file mode 100644 index 0000000000..324b45c1e5 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/widget/raw_editor.dart @@ -0,0 +1,1230 @@ +import 'dart:async'; +import 'dart:convert'; +import 'dart:math' as math; + +import 'package:flutter/cupertino.dart'; +import 'package:flutter/foundation.dart'; +import 'package:flutter/gestures.dart'; +import 'package:flutter/material.dart'; +import 'package:flutter/rendering.dart'; +import 'package:flutter/scheduler.dart'; +import 'package:flutter/services.dart'; +import 'package:tuple/tuple.dart'; +import 'package:flutter_keyboard_visibility/flutter_keyboard_visibility.dart'; + +import '../model/document/attribute.dart'; +import '../model/document/document.dart'; +import '../model/document/node/block.dart'; +import '../model/document/node/line.dart'; +import '../util/delta_diff.dart'; +import '../rendering/editor.dart'; +import 'text_block.dart'; +import 'text_line.dart'; +import 'proxy.dart'; +import 'selection.dart'; +import '../service/controller.dart'; +import '../service/cursor.dart'; +import '../service/style.dart'; +import '../service/keyboard.dart'; + +/* ------------------------------- Raw Editor ------------------------------- */ + +class RawEditor extends StatefulWidget { + const RawEditor( + Key key, + this.controller, + this.focusNode, + this.scrollController, + this.scrollable, + this.scrollBottomInset, + this.padding, + this.readOnly, + this.placeholder, + this.onLaunchUrl, + this.toolbarOptions, + this.showSelectionHandles, + bool? showCursor, + this.cursorStyle, + this.textCapitalization, + this.maxHeight, + this.minHeight, + this.customStyles, + this.expands, + this.autoFocus, + this.selectionColor, + this.selectionControls, + this.keyboardAppearance, + this.enableInteractiveSelection, + this.scrollPhysics, + this.embedBuilder, + ) : assert(maxHeight == null || maxHeight > 0, 'maxHeight cannot be null'), + assert(minHeight == null || minHeight >= 0, 'minHeight cannot be null'), + assert( + maxHeight == null || minHeight == null || maxHeight >= minHeight), + showCursor = showCursor ?? true, + super(key: key); + + final EditorController controller; + final FocusNode focusNode; + final ScrollController scrollController; + final bool scrollable; + final double scrollBottomInset; + final EdgeInsetsGeometry padding; + final bool readOnly; + final String? placeholder; + final ValueChanged? onLaunchUrl; + final ToolbarOptions toolbarOptions; + final bool showSelectionHandles; + final bool showCursor; + final CursorStyle cursorStyle; + final TextCapitalization textCapitalization; + final double? maxHeight; + final double? minHeight; + final DefaultStyles? customStyles; + final bool expands; + final bool autoFocus; + final Color selectionColor; + final TextSelectionControls selectionControls; + final Brightness keyboardAppearance; + final bool enableInteractiveSelection; + final ScrollPhysics? scrollPhysics; + final EmbedBuilderFuncion embedBuilder; + + @override + _RawEditorState createState() => _RawEditorState(); +} + +abstract class EditorState extends State { + TextEditingValue getTextEditingValue(); + + void setTextEditingValue(TextEditingValue value); + + RenderEditor? getRenderEditor(); + + EditorTextSelectionOverlay? getSelectionOverlay(); + + bool showToolbar(); + + void hideToolbar(); + + void requestKeyboard(); +} + +class _RawEditorState extends EditorState + with + AutomaticKeepAliveClientMixin, + WidgetsBindingObserver, + TickerProviderStateMixin + implements TextSelectionDelegate, TextInputClient { + final GlobalKey _editorKey = GlobalKey(); + final List _sentRemoteValues = []; + TextInputConnection? _textInputConnection; + TextEditingValue? _lastKnownRemoteTextEditingValue; + int _cursorResetLocation = -1; + bool _wasSelectingVerticallyWithKeyboard = false; + EditorTextSelectionOverlay? _selectionOverlay; + FocusAttachment? _focusAttachment; + late CursorController _cursorController; + ScrollController? _scrollController; + KeyboardVisibilityController? _keyboardVisibilityController; + StreamSubscription? _keyboardVisibilitySubscription; + late KeyboardListener _keyboardListener; + bool _didAutoFocus = false; + bool _keyboardVisible = false; + DefaultStyles? _styles; + final ClipboardStatusNotifier? _clipboardStatus = + kIsWeb ? null : ClipboardStatusNotifier(); + final LayerLink _toolbarLayerLink = LayerLink(); + final LayerLink _startHandleLayerLink = LayerLink(); + final LayerLink _endHandleLayerLink = LayerLink(); + + /// Whether to create an input connection with the platform for text editing + /// or not. + /// + /// Read-only input fields do not need a connection with the platform since + /// there's no need for text editing capabilities (e.g. virtual keyboard). + /// + /// On the web, we always need a connection because we want some browser + /// functionalities to continue to work on read-only input fields like: + /// + /// - Relevant context menu. + /// - cmd/ctrl+c shortcut to copy. + /// - cmd/ctrl+a to select all. + /// - Changing the selection using a physical keyboard. + bool get shouldCreateInputConnection => kIsWeb || !widget.readOnly; + + bool get _hasFocus => widget.focusNode.hasFocus; + + TextDirection get _textDirection { + final result = Directionality.of(context); + return result; + } + + void handleCursorMovement( + LogicalKeyboardKey key, + bool wordModifier, + bool lineModifier, + bool shift, + ) { + if (wordModifier && lineModifier) { + return; + } + final selection = widget.controller.selection; + + var newSelection = widget.controller.selection; + + final plainText = textEditingValue.text; + + final rightKey = key == LogicalKeyboardKey.arrowRight, + leftKey = key == LogicalKeyboardKey.arrowLeft, + upKey = key == LogicalKeyboardKey.arrowUp, + downKey = key == LogicalKeyboardKey.arrowDown; + + if ((rightKey || leftKey) && !(rightKey && leftKey)) { + newSelection = _jumpToBeginOrEndOfWord(newSelection, wordModifier, + leftKey, rightKey, plainText, lineModifier, shift); + } + + if (downKey || upKey) { + newSelection = _handleMovingCursorVertically( + upKey, downKey, shift, selection, newSelection, plainText); + } + + if (!shift) { + newSelection = + _placeCollapsedSelection(selection, newSelection, leftKey, rightKey); + } + + widget.controller.updateSelection(newSelection, ChangeSource.LOCAL); + } + + TextSelection _placeCollapsedSelection(TextSelection selection, + TextSelection newSelection, bool leftKey, bool rightKey) { + var newOffset = newSelection.extentOffset; + if (!selection.isCollapsed) { + if (leftKey) { + newOffset = newSelection.baseOffset < newSelection.extentOffset + ? newSelection.baseOffset + : newSelection.extentOffset; + } else if (rightKey) { + newOffset = newSelection.baseOffset > newSelection.extentOffset + ? newSelection.baseOffset + : newSelection.extentOffset; + } + } + return TextSelection.fromPosition(TextPosition(offset: newOffset)); + } + + TextSelection _handleMovingCursorVertically( + bool upKey, + bool downKey, + bool shift, + TextSelection selection, + TextSelection newSelection, + String plainText) { + final originPosition = TextPosition( + offset: upKey ? selection.baseOffset : selection.extentOffset); + + final child = getRenderEditor()!.childAtPosition(originPosition); + final localPosition = TextPosition( + offset: originPosition.offset - child.container.documentOffset); + + var position = upKey + ? child.getPositionAbove(localPosition) + : child.getPositionBelow(localPosition); + + if (position == null) { + final sibling = upKey + ? getRenderEditor()!.childBefore(child) + : getRenderEditor()!.childAfter(child); + if (sibling == null) { + position = TextPosition(offset: upKey ? 0 : plainText.length - 1); + } else { + final finalOffset = Offset( + child.getOffsetForCaret(localPosition).dx, + sibling + .getOffsetForCaret(TextPosition( + offset: upKey ? sibling.container.length - 1 : 0)) + .dy); + final siblingPosition = sibling.getPositionForOffset(finalOffset); + position = TextPosition( + offset: sibling.container.documentOffset + siblingPosition.offset); + } + } else { + position = TextPosition( + offset: child.container.documentOffset + position.offset); + } + + if (position.offset == newSelection.extentOffset) { + if (downKey) { + newSelection = newSelection.copyWith(extentOffset: plainText.length); + } else if (upKey) { + newSelection = newSelection.copyWith(extentOffset: 0); + } + _wasSelectingVerticallyWithKeyboard = shift; + return newSelection; + } + + if (_wasSelectingVerticallyWithKeyboard && shift) { + newSelection = newSelection.copyWith(extentOffset: _cursorResetLocation); + _wasSelectingVerticallyWithKeyboard = false; + return newSelection; + } + newSelection = newSelection.copyWith(extentOffset: position.offset); + _cursorResetLocation = newSelection.extentOffset; + return newSelection; + } + + TextSelection _jumpToBeginOrEndOfWord( + TextSelection newSelection, + bool wordModifier, + bool leftKey, + bool rightKey, + String plainText, + bool lineModifier, + bool shift) { + if (wordModifier) { + if (leftKey) { + final textSelection = getRenderEditor()!.selectWordAtPosition( + TextPosition( + offset: _previousCharacter( + newSelection.extentOffset, plainText, false))); + return newSelection.copyWith(extentOffset: textSelection.baseOffset); + } + final textSelection = getRenderEditor()!.selectWordAtPosition( + TextPosition( + offset: + _nextCharacter(newSelection.extentOffset, plainText, false))); + return newSelection.copyWith(extentOffset: textSelection.extentOffset); + } else if (lineModifier) { + if (leftKey) { + final textSelection = getRenderEditor()!.selectLineAtPosition( + TextPosition( + offset: _previousCharacter( + newSelection.extentOffset, plainText, false))); + return newSelection.copyWith(extentOffset: textSelection.baseOffset); + } + final startPoint = newSelection.extentOffset; + if (startPoint < plainText.length) { + final textSelection = getRenderEditor()! + .selectLineAtPosition(TextPosition(offset: startPoint)); + return newSelection.copyWith(extentOffset: textSelection.extentOffset); + } + return newSelection; + } + + if (rightKey && newSelection.extentOffset < plainText.length) { + final nextExtent = + _nextCharacter(newSelection.extentOffset, plainText, true); + final distance = nextExtent - newSelection.extentOffset; + newSelection = newSelection.copyWith(extentOffset: nextExtent); + if (shift) { + _cursorResetLocation += distance; + } + return newSelection; + } + + if (leftKey && newSelection.extentOffset > 0) { + final previousExtent = + _previousCharacter(newSelection.extentOffset, plainText, true); + final distance = newSelection.extentOffset - previousExtent; + newSelection = newSelection.copyWith(extentOffset: previousExtent); + if (shift) { + _cursorResetLocation -= distance; + } + return newSelection; + } + return newSelection; + } + + int _nextCharacter(int index, String string, bool includeWhitespace) { + assert(index >= 0 && index <= string.length); + if (index == string.length) { + return string.length; + } + + var count = 0; + final remain = string.characters.skipWhile((currentString) { + if (count <= index) { + count += currentString.length; + return true; + } + if (includeWhitespace) { + return false; + } + return WHITE_SPACE.contains(currentString.codeUnitAt(0)); + }); + return string.length - remain.toString().length; + } + + int _previousCharacter(int index, String string, includeWhitespace) { + assert(index >= 0 && index <= string.length); + if (index == 0) { + return 0; + } + + var count = 0; + int? lastNonWhitespace; + for (final currentString in string.characters) { + if (!includeWhitespace && + !WHITE_SPACE.contains( + currentString.characters.first.toString().codeUnitAt(0))) { + lastNonWhitespace = count; + } + if (count + currentString.length >= index) { + return includeWhitespace ? count : lastNonWhitespace ?? 0; + } + count += currentString.length; + } + return 0; + } + + bool get hasConnection => + _textInputConnection != null && _textInputConnection!.attached; + + void openConnectionIfNeeded() { + if (!shouldCreateInputConnection) { + return; + } + + if (!hasConnection) { + _lastKnownRemoteTextEditingValue = textEditingValue; + _textInputConnection = TextInput.attach( + this, + TextInputConfiguration( + inputType: TextInputType.multiline, + readOnly: widget.readOnly, + inputAction: TextInputAction.newline, + enableSuggestions: !widget.readOnly, + keyboardAppearance: widget.keyboardAppearance, + textCapitalization: widget.textCapitalization, + ), + ); + + _textInputConnection!.setEditingState(_lastKnownRemoteTextEditingValue!); + // _sentRemoteValues.add(_lastKnownRemoteTextEditingValue); + } + + _textInputConnection!.show(); + } + + void closeConnectionIfNeeded() { + if (!hasConnection) { + return; + } + _textInputConnection!.close(); + _textInputConnection = null; + _lastKnownRemoteTextEditingValue = null; + _sentRemoteValues.clear(); + } + + void updateRemoteValueIfNeeded() { + if (!hasConnection) { + return; + } + + final actualValue = textEditingValue.copyWith( + composing: _lastKnownRemoteTextEditingValue!.composing, + ); + + if (actualValue == _lastKnownRemoteTextEditingValue) { + return; + } + + final shouldRemember = + textEditingValue.text != _lastKnownRemoteTextEditingValue!.text; + _lastKnownRemoteTextEditingValue = actualValue; + _textInputConnection!.setEditingState(actualValue); + if (shouldRemember) { + _sentRemoteValues.add(actualValue); + } + } + + @override + TextEditingValue? get currentTextEditingValue => + _lastKnownRemoteTextEditingValue; + + @override + AutofillScope? get currentAutofillScope => null; + + @override + void updateEditingValue(TextEditingValue value) { + if (!shouldCreateInputConnection) { + return; + } + + if (_sentRemoteValues.contains(value)) { + _sentRemoteValues.remove(value); + return; + } + + if (_lastKnownRemoteTextEditingValue == value) { + return; + } + + if (_lastKnownRemoteTextEditingValue!.text == value.text && + _lastKnownRemoteTextEditingValue!.selection == value.selection) { + _lastKnownRemoteTextEditingValue = value; + return; + } + + final effectiveLastKnownValue = _lastKnownRemoteTextEditingValue!; + _lastKnownRemoteTextEditingValue = value; + final oldText = effectiveLastKnownValue.text; + final text = value.text; + final cursorPosition = value.selection.extentOffset; + final diff = getDiff(oldText, text, cursorPosition); + widget.controller.replaceText( + diff.start, diff.deleted.length, diff.inserted, value.selection); + } + + @override + TextEditingValue get textEditingValue { + return getTextEditingValue(); + } + + @override + set textEditingValue(TextEditingValue value) { + setTextEditingValue(value); + } + + @override + void performAction(TextInputAction action) {} + + @override + void performPrivateCommand(String action, Map data) {} + + @override + void updateFloatingCursor(RawFloatingCursorPoint point) { + throw UnimplementedError(); + } + + @override + void showAutocorrectionPromptRect(int start, int end) { + throw UnimplementedError(); + } + + @override + void bringIntoView(TextPosition position) {} + + @override + void connectionClosed() { + if (!hasConnection) { + return; + } + _textInputConnection!.connectionClosedReceived(); + _textInputConnection = null; + _lastKnownRemoteTextEditingValue = null; + _sentRemoteValues.clear(); + } + + @override + Widget build(BuildContext context) { + assert(debugCheckHasMediaQuery(context)); + _focusAttachment!.reparent(); + super.build(context); + + var _doc = widget.controller.document; + if (_doc.isEmpty() && + !widget.focusNode.hasFocus && + widget.placeholder != null) { + _doc = Document.fromJson(jsonDecode( + '[{"attributes":{"placeholder":true},"insert":"${widget.placeholder}\\n"}]')); + } + + Widget child = CompositedTransformTarget( + link: _toolbarLayerLink, + child: Semantics( + child: _Editor( + key: _editorKey, + document: _doc, + selection: widget.controller.selection, + hasFocus: _hasFocus, + textDirection: _textDirection, + startHandleLayerLink: _startHandleLayerLink, + endHandleLayerLink: _endHandleLayerLink, + onSelectionChanged: _handleSelectionChanged, + scrollBottomInset: widget.scrollBottomInset, + padding: widget.padding, + children: _buildChildren(_doc, context), + ), + ), + ); + + if (widget.scrollable) { + final baselinePadding = + EdgeInsets.only(top: _styles!.paragraph!.verticalSpacing.item1); + child = BaselineProxy( + textStyle: _styles!.paragraph!.style, + padding: baselinePadding, + child: SingleChildScrollView( + controller: _scrollController, + physics: widget.scrollPhysics, + child: child, + ), + ); + } + + final constraints = widget.expands + ? const BoxConstraints.expand() + : BoxConstraints( + minHeight: widget.minHeight ?? 0.0, + maxHeight: widget.maxHeight ?? double.infinity, + ); + + return EditorStyles( + data: _styles!, + child: MouseRegion( + cursor: SystemMouseCursors.text, + child: Container( + constraints: constraints, + child: child, + ), + ), + ); + } + + void _handleSelectionChanged( + TextSelection selection, SelectionChangedCause cause) { + widget.controller.updateSelection(selection, ChangeSource.LOCAL); + + _selectionOverlay?.handlesVisible = _shouldShowSelectionHandles(); + + if (!_keyboardVisible) { + requestKeyboard(); + } + } + + List _buildChildren(Document doc, BuildContext context) { + final result = []; + final indentLevelCounts = {}; + for (final node in doc.root.children) { + if (node is Line) { + final editableTextLine = _getEditableTextLineFromNode(node, context); + result.add(editableTextLine); + } else if (node is Block) { + final attrs = node.style.attributes; + final editableTextBlock = EditableTextBlock( + node, + _textDirection, + widget.controller.selection, + widget.scrollBottomInset, + _getVerticalSpacingForBlock(node, _styles), + widget.selectionColor, + _styles, + widget.enableInteractiveSelection, + _hasFocus, + attrs.containsKey(Attribute.codeBlock.key) + ? const EdgeInsets.all(16) + : null, + widget.embedBuilder, + _cursorController, + indentLevelCounts); + result.add(editableTextBlock); + } else { + throw StateError('Unreachable.'); + } + } + return result; + } + + EditableTextLine _getEditableTextLineFromNode( + Line node, BuildContext context) { + final textLine = TextLine( + line: node, + textDirection: _textDirection, + embedBuilder: widget.embedBuilder, + styles: _styles!, + ); + final editableTextLine = EditableTextLine( + node, + null, + textLine, + 0, + _getVerticalSpacingForLine(node, _styles), + _textDirection, + widget.controller.selection, + widget.selectionColor, + widget.enableInteractiveSelection, + _hasFocus, + MediaQuery.of(context).devicePixelRatio, + _cursorController); + return editableTextLine; + } + + Tuple2 _getVerticalSpacingForLine( + Line line, DefaultStyles? defaultStyles) { + final attrs = line.style.attributes; + if (attrs.containsKey(Attribute.header.key)) { + final int? level = attrs[Attribute.header.key]!.value; + switch (level) { + case 1: + return defaultStyles!.h1!.verticalSpacing; + case 2: + return defaultStyles!.h2!.verticalSpacing; + case 3: + return defaultStyles!.h3!.verticalSpacing; + case 4: + return defaultStyles!.h4!.verticalSpacing; + case 5: + return defaultStyles!.h5!.verticalSpacing; + case 6: + return defaultStyles!.h6!.verticalSpacing; + default: + throw 'Invalid level $level'; + } + } + + return defaultStyles!.paragraph!.verticalSpacing; + } + + Tuple2 _getVerticalSpacingForBlock( + Block node, DefaultStyles? defaultStyles) { + final attrs = node.style.attributes; + if (attrs.containsKey(Attribute.quoteBlock.key)) { + return defaultStyles!.quote!.verticalSpacing; + } else if (attrs.containsKey(Attribute.codeBlock.key)) { + return defaultStyles!.code!.verticalSpacing; + } else if (attrs.containsKey(Attribute.indent.key)) { + return defaultStyles!.indent!.verticalSpacing; + } + return defaultStyles!.lists!.verticalSpacing; + } + + @override + void initState() { + super.initState(); + + _clipboardStatus?.addListener(_onChangedClipboardStatus); + + widget.controller.addListener(_didChangeTextEditingValue); + + _scrollController = widget.scrollController; + _scrollController!.addListener(_updateSelectionOverlayForScroll); + + _cursorController = CursorController( + show: ValueNotifier(widget.showCursor), + style: widget.cursorStyle, + tickerProvider: this, + ); + + _keyboardListener = KeyboardListener( + handleCursorMovement, + handleShortcut, + handleDelete, + ); + + if (defaultTargetPlatform == TargetPlatform.windows || + defaultTargetPlatform == TargetPlatform.macOS || + defaultTargetPlatform == TargetPlatform.linux || + defaultTargetPlatform == TargetPlatform.fuchsia) { + _keyboardVisible = true; + } else { + _keyboardVisibilityController = KeyboardVisibilityController(); + _keyboardVisible = _keyboardVisibilityController!.isVisible; + _keyboardVisibilitySubscription = + _keyboardVisibilityController?.onChange.listen((visible) { + _keyboardVisible = visible; + if (visible) { + _onChangeTextEditingValue(); + } + }); + } + + _focusAttachment = widget.focusNode.attach(context, onKey: (node, event) { + if (_keyboardListener.handleRawKeyEvent(event)) { + return KeyEventResult.handled; + } else { + return KeyEventResult.ignored; + } + }); + widget.focusNode.addListener(_handleFocusChanged); + } + + @override + void didChangeDependencies() { + super.didChangeDependencies(); + final parentStyles = EditorStyles.getStyles(context, true); + final defaultStyles = DefaultStyles.getInstance(context); + _styles = (parentStyles != null) + ? defaultStyles.merge(parentStyles) + : defaultStyles; + + if (widget.customStyles != null) { + _styles = _styles!.merge(widget.customStyles!); + } + + if (!_didAutoFocus && widget.autoFocus) { + FocusScope.of(context).autofocus(widget.focusNode); + _didAutoFocus = true; + } + } + + @override + void didUpdateWidget(RawEditor oldWidget) { + super.didUpdateWidget(oldWidget); + + _cursorController.show.value = widget.showCursor; + _cursorController.style = widget.cursorStyle; + + if (widget.controller != oldWidget.controller) { + oldWidget.controller.removeListener(_didChangeTextEditingValue); + widget.controller.addListener(_didChangeTextEditingValue); + updateRemoteValueIfNeeded(); + } + + if (widget.scrollController != _scrollController) { + _scrollController!.removeListener(_updateSelectionOverlayForScroll); + _scrollController = widget.scrollController; + _scrollController!.addListener(_updateSelectionOverlayForScroll); + } + + if (widget.focusNode != oldWidget.focusNode) { + oldWidget.focusNode.removeListener(_handleFocusChanged); + _focusAttachment?.detach(); + _focusAttachment = widget.focusNode.attach(context, onKey: (node, event) { + if (_keyboardListener.handleRawKeyEvent(event)) { + return KeyEventResult.handled; + } else { + return KeyEventResult.ignored; + } + }); + widget.focusNode.addListener(_handleFocusChanged); + updateKeepAlive(); + } + + if (widget.controller.selection != oldWidget.controller.selection) { + _selectionOverlay?.update(textEditingValue); + } + + _selectionOverlay?.handlesVisible = _shouldShowSelectionHandles(); + if (!shouldCreateInputConnection) { + closeConnectionIfNeeded(); + } else { + if (oldWidget.readOnly && _hasFocus) { + openConnectionIfNeeded(); + } + } + } + + bool _shouldShowSelectionHandles() { + return widget.showSelectionHandles && + !widget.controller.selection.isCollapsed; + } + + void handleDelete(bool forward) { + final selection = widget.controller.selection; + final plainText = textEditingValue.text; + var cursorPosition = selection.start; + var textBefore = selection.textBefore(plainText); + var textAfter = selection.textAfter(plainText); + if (selection.isCollapsed) { + if (!forward && textBefore.isNotEmpty) { + final characterBoundary = + _previousCharacter(textBefore.length, textBefore, true); + textBefore = textBefore.substring(0, characterBoundary); + cursorPosition = characterBoundary; + } + if (forward && textAfter.isNotEmpty && textAfter != '\n') { + final deleteCount = _nextCharacter(0, textAfter, true); + textAfter = textAfter.substring(deleteCount); + } + } + final newSelection = TextSelection.collapsed(offset: cursorPosition); + final newText = textBefore + textAfter; + final size = plainText.length - newText.length; + widget.controller.replaceText( + cursorPosition, + size, + '', + newSelection, + ); + } + + Future handleShortcut(InputShortcut? shortcut) async { + final selection = widget.controller.selection; + final plainText = textEditingValue.text; + if (shortcut == InputShortcut.COPY) { + if (!selection.isCollapsed) { + await Clipboard.setData( + ClipboardData(text: selection.textInside(plainText))); + } + return; + } + if (shortcut == InputShortcut.CUT && !widget.readOnly) { + if (!selection.isCollapsed) { + final data = selection.textInside(plainText); + await Clipboard.setData(ClipboardData(text: data)); + + widget.controller.replaceText( + selection.start, + data.length, + '', + TextSelection.collapsed(offset: selection.start), + ); + + textEditingValue = TextEditingValue( + text: + selection.textBefore(plainText) + selection.textAfter(plainText), + selection: TextSelection.collapsed(offset: selection.start), + ); + } + return; + } + if (shortcut == InputShortcut.PASTE && !widget.readOnly) { + final data = await Clipboard.getData(Clipboard.kTextPlain); + if (data != null) { + widget.controller.replaceText( + selection.start, + selection.end - selection.start, + data.text, + TextSelection.collapsed(offset: selection.start + data.text!.length), + ); + } + return; + } + if (shortcut == InputShortcut.SELECT_ALL && + widget.enableInteractiveSelection) { + widget.controller.updateSelection( + selection.copyWith( + baseOffset: 0, + extentOffset: textEditingValue.text.length, + ), + ChangeSource.REMOTE); + return; + } + } + + @override + void dispose() { + closeConnectionIfNeeded(); + _keyboardVisibilitySubscription?.cancel(); + assert(!hasConnection); + _selectionOverlay?.dispose(); + _selectionOverlay = null; + widget.controller.removeListener(_didChangeTextEditingValue); + widget.focusNode.removeListener(_handleFocusChanged); + _focusAttachment!.detach(); + _cursorController.dispose(); + _clipboardStatus?.removeListener(_onChangedClipboardStatus); + _clipboardStatus?.dispose(); + super.dispose(); + } + + void _updateSelectionOverlayForScroll() { + _selectionOverlay?.markNeedsBuild(); + } + + void _didChangeTextEditingValue() { + if (kIsWeb) { + _onChangeTextEditingValue(); + requestKeyboard(); + return; + } + + if (_keyboardVisible) { + _onChangeTextEditingValue(); + } else { + requestKeyboard(); + if (mounted) { + setState(() { + // Use widget.controller.value in build() + // Trigger build and updateChildren + }); + } + } + } + + void _onChangeTextEditingValue() { + _showCaretOnScreen(); + updateRemoteValueIfNeeded(); + _cursorController.startOrStopCursorTimerIfNeeded( + _hasFocus, widget.controller.selection); + if (hasConnection) { + _cursorController + ..stopCursorTimer(resetCharTicks: false) + ..startCursorTimer(); + } + + SchedulerBinding.instance!.addPostFrameCallback( + (_) => _updateOrDisposeSelectionOverlayIfNeeded()); + if (mounted) { + setState(() { + // Use widget.controller.value in build() + // Trigger build and updateChildren + }); + } + } + + void _updateOrDisposeSelectionOverlayIfNeeded() { + if (_selectionOverlay != null) { + if (_hasFocus) { + _selectionOverlay!.update(textEditingValue); + } else { + _selectionOverlay!.dispose(); + _selectionOverlay = null; + } + } else if (_hasFocus) { + _selectionOverlay?.hide(); + _selectionOverlay = null; + + _selectionOverlay = EditorTextSelectionOverlay( + textEditingValue, + false, + context, + widget, + _toolbarLayerLink, + _startHandleLayerLink, + _endHandleLayerLink, + getRenderEditor(), + widget.selectionControls, + this, + DragStartBehavior.start, + null, + _clipboardStatus!, + ); + _selectionOverlay!.handlesVisible = _shouldShowSelectionHandles(); + _selectionOverlay!.showHandles(); + } + } + + void _handleFocusChanged() { + openOrCloseConnection(); + _cursorController.startOrStopCursorTimerIfNeeded( + _hasFocus, widget.controller.selection); + _updateOrDisposeSelectionOverlayIfNeeded(); + if (_hasFocus) { + WidgetsBinding.instance!.addObserver(this); + _showCaretOnScreen(); + } else { + WidgetsBinding.instance!.removeObserver(this); + } + updateKeepAlive(); + } + + void _onChangedClipboardStatus() { + if (!mounted) return; + setState(() { + // Inform the widget that the value of clipboardStatus has changed. + // Trigger build and updateChildren + }); + } + + bool _showCaretOnScreenScheduled = false; + + void _showCaretOnScreen() { + if (!widget.showCursor || _showCaretOnScreenScheduled) { + return; + } + + _showCaretOnScreenScheduled = true; + SchedulerBinding.instance!.addPostFrameCallback((_) { + _showCaretOnScreenScheduled = false; + + final viewport = RenderAbstractViewport.of(getRenderEditor())!; + final editorOffset = getRenderEditor()! + .localToGlobal(const Offset(0, 0), ancestor: viewport); + final offsetInViewport = _scrollController!.offset + editorOffset.dy; + + final offset = getRenderEditor()!.getOffsetToRevealCursor( + _scrollController!.position.viewportDimension, + _scrollController!.offset, + offsetInViewport, + ); + + if (offset != null) { + _scrollController!.animateTo( + math.min(offset, _scrollController!.position.maxScrollExtent), + duration: const Duration(milliseconds: 100), + curve: Curves.fastOutSlowIn, + ); + } + }); + } + + @override + RenderEditor? getRenderEditor() { + return _editorKey.currentContext!.findRenderObject() as RenderEditor?; + } + + @override + EditorTextSelectionOverlay? getSelectionOverlay() { + return _selectionOverlay; + } + + @override + TextEditingValue getTextEditingValue() { + return widget.controller.plainTextEditingValue; + } + + @override + void hideToolbar([bool hideHandles = true]) { + if (getSelectionOverlay()?.toolbar != null) { + getSelectionOverlay()?.hideToolbar(); + } + } + + @override + bool get cutEnabled => widget.toolbarOptions.cut && !widget.readOnly; + + @override + bool get copyEnabled => widget.toolbarOptions.copy; + + @override + bool get pasteEnabled => widget.toolbarOptions.paste && !widget.readOnly; + + @override + bool get selectAllEnabled => widget.toolbarOptions.selectAll; + + @override + void requestKeyboard() { + if (_hasFocus) { + openConnectionIfNeeded(); + } else { + widget.focusNode.requestFocus(); + } + } + + @override + void setTextEditingValue(TextEditingValue value) { + if (value.text == textEditingValue.text) { + widget.controller.updateSelection(value.selection, ChangeSource.LOCAL); + } else { + __setEditingValue(value); + } + } + + Future __setEditingValue(TextEditingValue value) async { + if (await __isItCut(value)) { + widget.controller.replaceText( + textEditingValue.selection.start, + textEditingValue.text.length - value.text.length, + '', + value.selection, + ); + } else { + final value = textEditingValue; + final data = await Clipboard.getData(Clipboard.kTextPlain); + if (data != null) { + final length = + textEditingValue.selection.end - textEditingValue.selection.start; + widget.controller.replaceText( + value.selection.start, + length, + data.text, + value.selection, + ); + // move cursor to the end of pasted text selection + widget.controller.updateSelection( + TextSelection.collapsed( + offset: value.selection.start + data.text!.length), + ChangeSource.LOCAL); + } + } + } + + Future __isItCut(TextEditingValue value) async { + final data = await Clipboard.getData(Clipboard.kTextPlain); + if (data == null) { + return false; + } + return textEditingValue.text.length - value.text.length == + data.text!.length; + } + + @override + bool showToolbar() { + // Web is using native dom elements to enable clipboard functionality of the + // toolbar: copy, paste, select, cut. It might also provide additional + // functionality depending on the browser (such as translate). Due to this + // we should not show a Flutter toolbar for the editable text elements. + if (kIsWeb) { + return false; + } + if (_selectionOverlay == null || _selectionOverlay!.toolbar != null) { + return false; + } + + _selectionOverlay!.update(textEditingValue); + _selectionOverlay!.showToolbar(); + return true; + } + + @override + bool get wantKeepAlive => widget.focusNode.hasFocus; + + void openOrCloseConnection() { + if (widget.focusNode.hasFocus && widget.focusNode.consumeKeyboardToken()) { + openConnectionIfNeeded(); + } else if (!widget.focusNode.hasFocus) { + closeConnectionIfNeeded(); + } + } + + @override + void userUpdateTextEditingValue( + TextEditingValue value, SelectionChangedCause cause) { + // TODO: implement userUpdateTextEditingValue + } +} + +/* ------------------------ Multi Child Render Object ----------------------- */ + +class _Editor extends MultiChildRenderObjectWidget { + _Editor({ + required Key key, + required List children, + required this.document, + required this.textDirection, + required this.hasFocus, + required this.selection, + required this.startHandleLayerLink, + required this.endHandleLayerLink, + required this.onSelectionChanged, + required this.scrollBottomInset, + this.padding = EdgeInsets.zero, + }) : super(key: key, children: children); + + final Document document; + final TextDirection textDirection; + final bool hasFocus; + final TextSelection selection; + final LayerLink startHandleLayerLink; + final LayerLink endHandleLayerLink; + final TextSelectionChangeHandler onSelectionChanged; + final double scrollBottomInset; + final EdgeInsetsGeometry padding; + + @override + RenderEditor createRenderObject(BuildContext context) { + return RenderEditor( + null, + textDirection, + scrollBottomInset, + padding, + const EdgeInsets.fromLTRB(4, 4, 4, 5), + document, + selection, + hasFocus, + onSelectionChanged, + startHandleLayerLink, + endHandleLayerLink, + ); + } + + @override + void updateRenderObject( + BuildContext context, covariant RenderEditor renderObject) { + renderObject + ..document = document + ..container = document.root + ..textDirection = textDirection + ..hasFocus = hasFocus + ..selection = selection + ..startHandleLayerLink = startHandleLayerLink + ..endHandleLayerLink = endHandleLayerLink + ..onSelectionChanged = onSelectionChanged + ..scrollBottomInset = scrollBottomInset + ..padding = padding; + } +} diff --git a/app_flowy/packages/flowy_editor/lib/widget/selection.dart b/app_flowy/packages/flowy_editor/lib/widget/selection.dart new file mode 100644 index 0000000000..11ed0f668a --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/widget/selection.dart @@ -0,0 +1,754 @@ +import 'dart:async'; +import 'dart:math' as math; + +import 'package:flutter/foundation.dart'; +import 'package:flutter/gestures.dart'; +import 'package:flutter/material.dart'; +import 'package:flutter/rendering.dart'; +import 'package:flutter/scheduler.dart'; + +import '../model/document/node/node.dart'; +import '../rendering/editor.dart'; + +enum _TextSelectionHandlePosition { + START, + END, +} + +class EditorTextSelectionOverlay { + EditorTextSelectionOverlay( + this.value, + this._handlesVisible, + this.context, + this.debugRequiredFor, + this.toolbarLayerLink, + this.startHandlerLayerLink, + this.endHandlerLayerLink, + this.renderObject, + this.selectionControls, + this.selectionDelegate, + this.dragStartBehavior, + this.onSelectionHandleTapped, + this.clipboardStatus, + ) { + final overlay = Overlay.of(context, rootOverlay: true)!; + _toolbarController = AnimationController( + vsync: overlay, + duration: const Duration(milliseconds: 150), + ); + } + + TextEditingValue value; + final BuildContext context; + final Widget debugRequiredFor; + final LayerLink toolbarLayerLink; + final LayerLink startHandlerLayerLink; + final LayerLink endHandlerLayerLink; + final RenderEditor? renderObject; + final TextSelectionControls selectionControls; + final TextSelectionDelegate selectionDelegate; + final DragStartBehavior dragStartBehavior; + final VoidCallback? onSelectionHandleTapped; + final ClipboardStatusNotifier clipboardStatus; + late AnimationController _toolbarController; + List? _handles; + final bool _handlesVisible; + + OverlayEntry? toolbar; + + bool get handlesVisible => _handlesVisible; + + TextSelection get _selection => value.selection; + + Animation get _toolbarOpacity => _toolbarController.view; + + set handlesVisible(bool value) { + if (_handlesVisible == value) { + return; + } + handlesVisible = value; + if (SchedulerBinding.instance!.schedulerPhase == + SchedulerPhase.persistentCallbacks) { + SchedulerBinding.instance!.addPostFrameCallback(markNeedsBuild); + } else { + markNeedsBuild(); + } + } + + void dispose() { + hide(); + _toolbarController.dispose(); + } + + void hide() { + if (_handles != null) { + _handles![0].remove(); + _handles![1].remove(); + _handles = null; + } + if (toolbar != null) { + hideToolbar(); + } + } + + void hideHandles() { + if (_handles == null) { + return; + } + _handles![0].remove(); + _handles![1].remove(); + _handles = null; + } + + void showHandles() { + assert(_handles == null); + _handles = [ + OverlayEntry(builder: (context) { + return _buildHandle(context, _TextSelectionHandlePosition.START); + }), + OverlayEntry(builder: (context) { + return _buildHandle(context, _TextSelectionHandlePosition.END); + }), + ]; + + Overlay.of(context, rootOverlay: true, debugRequiredFor: debugRequiredFor)! + .insertAll(_handles!); + } + + void hideToolbar() { + assert(toolbar != null); + _toolbarController.stop(); + toolbar!.remove(); + toolbar = null; + } + + void showToolbar() { + assert(toolbar == null); + toolbar = OverlayEntry(builder: _buildToolbar); + Overlay.of(context, rootOverlay: true, debugRequiredFor: debugRequiredFor)! + .insert(toolbar!); + _toolbarController.forward(from: 0); + } + + Widget _buildToolbar(BuildContext context) { + final endpoints = renderObject!.getEndpointsForSelection(_selection); + final editingRegion = Rect.fromPoints( + renderObject!.localToGlobal(Offset.zero), + renderObject!.localToGlobal(renderObject!.size.bottomRight(Offset.zero)), + ); + + final baseLineHeight = renderObject!.preferredLineHeight(_selection.base); + final extentLineHeight = + renderObject!.preferredLineHeight(_selection.extent); + final smallestLineHeight = math.min(baseLineHeight, extentLineHeight); + final isMultiLine = endpoints.last.point.dy - endpoints.first.point.dy > + smallestLineHeight / 2; + + final midX = isMultiLine + ? editingRegion.width / 2 + : (endpoints.first.point.dx + endpoints.last.point.dx) / 2; + final midpoint = Offset(midX, endpoints[0].point.dy - baseLineHeight); + + return FadeTransition( + opacity: _toolbarOpacity, + child: CompositedTransformFollower( + link: toolbarLayerLink, + showWhenUnlinked: false, + offset: -editingRegion.topLeft, + child: selectionControls.buildToolbar( + context, + editingRegion, + baseLineHeight, + midpoint, + endpoints, + selectionDelegate, + clipboardStatus, + const Offset(0, 0), + ), + ), + ); + } + + Widget _buildHandle( + BuildContext context, _TextSelectionHandlePosition position) { + if (_selection.isCollapsed && + _TextSelectionHandlePosition.END == position) { + return Container(); + } + return Visibility( + visible: handlesVisible, + child: _TextSelectionHandleOverlay( + onSelectionHandleChanged: (newSelection) => + _handleSelectionHandleChanged(newSelection, position), + onSelectionhandleTapped: onSelectionHandleTapped, + startHandleLayerLink: startHandlerLayerLink, + endHandleLayerLink: endHandlerLayerLink, + renderObject: renderObject, + selection: _selection, + selectionControls: selectionControls, + position: position, + dragStartBehavior: dragStartBehavior, + ), + ); + } + + void update(TextEditingValue newValue) { + if (value == newValue) { + return; + } + value = newValue; + if (SchedulerBinding.instance!.schedulerPhase == + SchedulerPhase.persistentCallbacks) { + SchedulerBinding.instance!.addPostFrameCallback(markNeedsBuild); + } else { + markNeedsBuild(); + } + } + + void markNeedsBuild([Duration? duration]) { + if (_handles != null) { + _handles![0].markNeedsBuild(); + _handles![1].markNeedsBuild(); + } + toolbar?.markNeedsBuild(); + } + + void _handleSelectionHandleChanged( + TextSelection? newSelection, _TextSelectionHandlePosition position) { + TextPosition textPosition; + switch (position) { + case _TextSelectionHandlePosition.START: + textPosition = newSelection != null + ? newSelection.base + : const TextPosition(offset: 0); + break; + case _TextSelectionHandlePosition.END: + textPosition = newSelection != null + ? newSelection.extent + : const TextPosition(offset: 0); + break; + default: + throw 'Invalid position'; + } + // TODO: Update this deprecated API + selectionDelegate + // ignore: deprecated_member_use + ..textEditingValue = + value.copyWith(selection: newSelection, composing: TextRange.empty) + ..bringIntoView(textPosition); + } +} + +/* --------------------------------- Overlay -------------------------------- */ + +class _TextSelectionHandleOverlay extends StatefulWidget { + const _TextSelectionHandleOverlay({ + Key? key, + required this.selection, + required this.position, + required this.startHandleLayerLink, + required this.endHandleLayerLink, + required this.renderObject, + required this.onSelectionHandleChanged, + required this.onSelectionhandleTapped, + required this.selectionControls, + this.dragStartBehavior = DragStartBehavior.start, + }) : super(key: key); + + final TextSelection selection; + final _TextSelectionHandlePosition position; + final LayerLink startHandleLayerLink; + final LayerLink endHandleLayerLink; + final RenderEditor? renderObject; + final ValueChanged onSelectionHandleChanged; + final VoidCallback? onSelectionhandleTapped; + final TextSelectionControls selectionControls; + final DragStartBehavior dragStartBehavior; + + ValueListenable? get _visibility { + switch (position) { + case _TextSelectionHandlePosition.START: + return renderObject!.selectionStartInViewport; + case _TextSelectionHandlePosition.END: + return renderObject!.selectionEndInViewport; + } + } + + @override + __TextSelectionHandleOverlayState createState() => + __TextSelectionHandleOverlayState(); +} + +class __TextSelectionHandleOverlayState + extends State<_TextSelectionHandleOverlay> + with SingleTickerProviderStateMixin { + late AnimationController _controller; + Animation get _opacity => _controller.view; + + @override + void initState() { + super.initState(); + _controller = AnimationController( + duration: const Duration(milliseconds: 150), + vsync: this, + ); + _handleVisibilityChanged(); + widget._visibility!.addListener(_handleVisibilityChanged); + } + + @override + void didUpdateWidget(covariant _TextSelectionHandleOverlay oldWidget) { + super.didUpdateWidget(oldWidget); + oldWidget._visibility!.removeListener(_handleVisibilityChanged); + _handleVisibilityChanged(); + widget._visibility!.addListener(_handleVisibilityChanged); + } + + @override + void dispose() { + widget._visibility!.removeListener(_handleVisibilityChanged); + _controller.dispose(); + super.dispose(); + } + + @override + Widget build(BuildContext context) { + late LayerLink layerLink; + TextSelectionHandleType? type; + + switch (widget.position) { + case _TextSelectionHandlePosition.START: + layerLink = widget.startHandleLayerLink; + type = _chooseType( + widget.renderObject!.textDirection, + TextSelectionHandleType.left, + TextSelectionHandleType.right, + ); + break; + case _TextSelectionHandlePosition.END: + assert(!widget.selection.isCollapsed); + layerLink = widget.endHandleLayerLink; + type = _chooseType( + widget.renderObject!.textDirection, + TextSelectionHandleType.right, + TextSelectionHandleType.left, + ); + break; + } + + final textPosition = widget.position == _TextSelectionHandlePosition.START + ? widget.selection.base + : widget.selection.extent; + final lineHeight = widget.renderObject!.preferredLineHeight(textPosition); + final handleAnchor = + widget.selectionControls.getHandleAnchor(type!, lineHeight); + final handleSize = widget.selectionControls.getHandleSize(lineHeight); + + final handleRect = Rect.fromLTWH( + -handleAnchor.dx, + -handleAnchor.dy, + handleSize.width, + handleSize.height, + ); + + final interactiveRect = handleRect.expandToInclude(Rect.fromCircle( + center: handleRect.center, + radius: kMinInteractiveDimension / 2, + )); + final padding = RelativeRect.fromLTRB( + math.max((interactiveRect.width - handleRect.width) / 2, 0), + math.max((interactiveRect.height - handleRect.height) / 2, 0), + math.max((interactiveRect.width - handleRect.width) / 2, 0), + math.max((interactiveRect.height - handleRect.height) / 2, 0), + ); + + return CompositedTransformFollower( + link: layerLink, + offset: interactiveRect.topLeft, + showWhenUnlinked: false, + child: FadeTransition( + opacity: _opacity, + child: Container( + alignment: Alignment.topLeft, + width: interactiveRect.width, + height: interactiveRect.height, + child: GestureDetector( + behavior: HitTestBehavior.translucent, + dragStartBehavior: widget.dragStartBehavior, + onPanStart: _handleDragStart, + onPanUpdate: _handleDragUpdate, + onTap: _handleTap, + child: Padding( + padding: EdgeInsets.only( + left: padding.left, + top: padding.top, + right: padding.right, + bottom: padding.bottom, + ), + child: widget.selectionControls.buildHandle( + context, + type, + lineHeight, + ), + ), + ), + ), + ), + ); + } + + // Utils + void _handleVisibilityChanged() { + if (widget._visibility!.value) { + _controller.forward(); + } else { + _controller.reverse(); + } + } + + void _handleDragStart(DragStartDetails details) {} + + void _handleDragUpdate(DragUpdateDetails details) { + final position = + widget.renderObject!.getPositionForOffset(details.globalPosition); + if (widget.selection.isCollapsed) { + widget.onSelectionHandleChanged(TextSelection.fromPosition(position)); + return; + } + + final isNormalized = + widget.selection.extentOffset >= widget.selection.baseOffset; + TextSelection? newSelection; + switch (widget.position) { + case _TextSelectionHandlePosition.START: + newSelection = TextSelection( + baseOffset: + isNormalized ? position.offset : widget.selection.baseOffset, + extentOffset: + isNormalized ? widget.selection.extentOffset : position.offset, + ); + break; + case _TextSelectionHandlePosition.END: + newSelection = TextSelection( + baseOffset: + isNormalized ? widget.selection.baseOffset : position.offset, + extentOffset: + isNormalized ? position.offset : widget.selection.extentOffset, + ); + break; + } + + widget.onSelectionHandleChanged(newSelection); + } + + void _handleTap() { + if (widget.onSelectionhandleTapped != null) { + widget.onSelectionhandleTapped!(); + } + } + + TextSelectionHandleType? _chooseType( + TextDirection textDirection, + TextSelectionHandleType ltrType, + TextSelectionHandleType rtlType, + ) { + if (widget.selection.isCollapsed) { + return TextSelectionHandleType.collapsed; + } + + switch (textDirection) { + case TextDirection.ltr: + return ltrType; + case TextDirection.rtl: + return rtlType; + } + } +} + +/* --------------------------------- Gesture -------------------------------- */ + +class EditorTextSelectionGestureDetector extends StatefulWidget { + const EditorTextSelectionGestureDetector({ + required this.child, + this.onTapDown, + this.onTapUp, + this.onTapCancel, + this.onForcePressStart, + this.onForcePressEnd, + this.onLongPressStart, + this.onLongPressMoveUpdate, + this.onLongPressEnd, + this.onDoubleTapDown, + this.onDragSelectionStart, + this.onDragSelectionUpdate, + this.onDragSelectionEnd, + this.behavior, + Key? key, + }) : super(key: key); + + final GestureTapDownCallback? onTapDown; + + final GestureTapUpCallback? onTapUp; + + final GestureTapCancelCallback? onTapCancel; + + final GestureForcePressStartCallback? onForcePressStart; + + final GestureForcePressEndCallback? onForcePressEnd; + + final GestureLongPressStartCallback? onLongPressStart; + + final GestureLongPressMoveUpdateCallback? onLongPressMoveUpdate; + + final GestureLongPressEndCallback? onLongPressEnd; + + final GestureTapDownCallback? onDoubleTapDown; + + final GestureDragStartCallback? onDragSelectionStart; + + final DragSelectionUpdateCallback? onDragSelectionUpdate; + + final GestureDragEndCallback? onDragSelectionEnd; + + final HitTestBehavior? behavior; + + final Widget child; + + @override + _EditorTextSelectionGestureDetectorState createState() => + _EditorTextSelectionGestureDetectorState(); +} + +class _EditorTextSelectionGestureDetectorState + extends State { + // Double Tap + Timer? _doubleTapTimer; + Offset? _lastTapOffset; + bool _isDoubleTap = false; + // Drag + Timer? _dragUpdateThrottleTimer; + DragStartDetails? _lastDragStartDetails; + DragUpdateDetails? _lastDragUpdateDetails; + + @override + void dispose() { + _doubleTapTimer?.cancel(); + _dragUpdateThrottleTimer?.cancel(); + super.dispose(); + } + + // Gesture Handler + + void _handleTapDown(TapDownDetails details) { + if (widget.onTapDown != null) { + widget.onTapDown!(details); + } + if (_doubleTapTimer != null && + _isWithinDoubleTapTolerance(details.globalPosition)) { + if (widget.onDoubleTapDown != null) { + widget.onDoubleTapDown!(details); + } + + _doubleTapTimer!.cancel(); + _doubleTapTimeout(); + _isDoubleTap = true; + } + } + + void _handleTapUp(TapUpDetails details) { + if (!_isDoubleTap) { + if (widget.onTapUp != null) { + widget.onTapUp!(details); + } + _lastTapOffset = details.globalPosition; + _doubleTapTimer = Timer(kDoubleTapTimeout, _doubleTapTimeout); + } + _isDoubleTap = false; + } + + void _handleTapCancel() { + if (widget.onTapCancel != null) { + widget.onTapCancel!(); + } + } + + void _handleDragStart(DragStartDetails details) { + assert(_lastDragStartDetails == null); + _lastDragStartDetails = details; + if (widget.onDragSelectionStart != null) { + widget.onDragSelectionStart!(details); + } + } + + void _handleDragUpdate(DragUpdateDetails details) { + _lastDragUpdateDetails = details; + _dragUpdateThrottleTimer ??= Timer( + const Duration(milliseconds: 50), + _handleDragUpdateThrottled, + ); + } + + void _handleDragUpdateThrottled() { + assert(_lastDragStartDetails != null); + assert(_lastDragUpdateDetails != null); + if (widget.onDragSelectionUpdate != null) { + widget.onDragSelectionUpdate!( + _lastDragStartDetails!, _lastDragUpdateDetails!); + } + _dragUpdateThrottleTimer = null; + _lastDragUpdateDetails = null; + } + + void _handleDragEnd(DragEndDetails details) { + assert(_lastDragStartDetails != null); + if (_dragUpdateThrottleTimer != null) { + _dragUpdateThrottleTimer!.cancel(); + _handleDragUpdateThrottled(); + } + if (widget.onDragSelectionEnd != null) { + widget.onDragSelectionEnd!(details); + } + + _dragUpdateThrottleTimer = null; + _lastDragStartDetails = null; + _lastDragUpdateDetails = null; + } + + void _forcePressStarted(ForcePressDetails details) { + _doubleTapTimer?.cancel(); + _doubleTapTimer = null; + if (widget.onForcePressStart != null) { + widget.onForcePressStart!(details); + } + } + + void _forcePressEnded(ForcePressDetails details) { + if (widget.onForcePressEnd != null) { + widget.onForcePressEnd!(details); + } + } + + void _handleLongPressStart(LongPressStartDetails details) { + if (!_isDoubleTap && widget.onLongPressStart != null) { + widget.onLongPressStart!(details); + } + } + + void _handleLongPressMoveUpdate(LongPressMoveUpdateDetails details) { + if (!_isDoubleTap && widget.onLongPressMoveUpdate != null) { + widget.onLongPressMoveUpdate!(details); + } + } + + void _handleLongPressEnd(LongPressEndDetails details) { + if (!_isDoubleTap && widget.onLongPressEnd != null) { + widget.onLongPressEnd!(details); + } + _isDoubleTap = false; + } + + @override + Widget build(BuildContext context) { + return RawGestureDetector( + gestures: _buildGestureRecognizers(), + excludeFromSemantics: true, + behavior: widget.behavior, + child: widget.child, + ); + } + + // Util + + bool _isWithinDoubleTapTolerance(Offset secondTapOffset) { + if (_lastTapOffset == null) { + return false; + } + return (secondTapOffset - _lastTapOffset!).distance <= kDoubleTapSlop; + } + + void _doubleTapTimeout() { + _doubleTapTimer = null; + _lastTapOffset = null; + } + + Map _buildGestureRecognizers() { + final recognizers = {}; + + // Tap + recognizers[TapGestureRecognizer] = + GestureRecognizerFactoryWithHandlers( + () => TapGestureRecognizer(debugOwner: this), + (gestureRecognizer) { + gestureRecognizer + ..onTapDown = _handleTapDown + ..onTapUp = _handleTapUp + ..onTapCancel = _handleTapCancel; + }, + ); + + // Long Press + if (widget.onLongPressStart != null || + widget.onLongPressMoveUpdate != null || + widget.onLongPressEnd != null) { + recognizers[LongPressGestureRecognizer] = + GestureRecognizerFactoryWithHandlers( + () => LongPressGestureRecognizer( + debugOwner: this, supportedDevices: {PointerDeviceKind.touch}), + (gestureRecognizer) { + gestureRecognizer + ..onLongPressStart = _handleLongPressStart + ..onLongPressMoveUpdate = _handleLongPressMoveUpdate + ..onLongPressEnd = _handleLongPressEnd; + }, + ); + } + + // Drag + if (widget.onDragSelectionStart != null || + widget.onDragSelectionUpdate != null || + widget.onDragSelectionEnd != null) { + recognizers[HorizontalDragGestureRecognizer] = + GestureRecognizerFactoryWithHandlers( + () => HorizontalDragGestureRecognizer( + debugOwner: this, supportedDevices: {PointerDeviceKind.mouse}), + (gestureRecognizer) { + gestureRecognizer + ..dragStartBehavior = DragStartBehavior.down + ..onStart = _handleDragStart + ..onUpdate = _handleDragUpdate + ..onEnd = _handleDragEnd; + }, + ); + + // Force Press + if (widget.onForcePressStart != null || widget.onForcePressEnd != null) { + recognizers[ForcePressGestureRecognizer] = + GestureRecognizerFactoryWithHandlers( + () => ForcePressGestureRecognizer(debugOwner: this), + (gestureRecognizer) { + gestureRecognizer + ..onStart = + widget.onForcePressStart != null ? _forcePressStarted : null + ..onEnd = + widget.onForcePressEnd != null ? _forcePressEnded : null; + }, + ); + } + } + + return recognizers; + } +} + +/* ---------------------------------- Util ---------------------------------- */ + +TextSelection localSelection(Node node, TextSelection selection, fromParent) { + final base = fromParent ? node.offset : node.documentOffset; + assert(base <= selection.end && selection.start <= base + node.length - 1); + + final offset = fromParent ? node.offset : node.documentOffset; + return selection.copyWith( + baseOffset: math.max(selection.start - offset, 0), + extentOffset: math.min(selection.end - offset, node.length - 1), + ); +} diff --git a/app_flowy/packages/flowy_editor/lib/widget/text_block.dart b/app_flowy/packages/flowy_editor/lib/widget/text_block.dart new file mode 100644 index 0000000000..05e6d96512 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/widget/text_block.dart @@ -0,0 +1,484 @@ +import 'package:flutter/material.dart'; +import 'package:tuple/tuple.dart'; + +import '../model/document/node/block.dart'; +import '../model/document/node/line.dart'; +import '../model/document/attribute.dart'; +import '../rendering/text_block.dart'; +import '../service/cursor.dart'; +import '../service/style.dart'; +import '../widget/text_line.dart'; +import '../widget/proxy.dart'; + +/* --------------------------------- Widget --------------------------------- */ + +class EditableTextBlock extends StatelessWidget { + const EditableTextBlock( + this.block, + this.textDirection, + this.textSelection, + this.scrollBottomInset, + this.verticalSpacing, + this.color, + this.styles, + this.enableInteractiveSelection, + this.hasFocus, + this.contentPadding, + this.embedBuilder, + this.cursorController, + this.indentLevelCounts, + ); + + final Block block; + final TextDirection textDirection; + final TextSelection textSelection; + final double scrollBottomInset; + final Tuple2 verticalSpacing; + final Color color; + final DefaultStyles? styles; + final bool enableInteractiveSelection; + final bool hasFocus; + final EdgeInsets? contentPadding; + final EmbedBuilderFuncion embedBuilder; + final CursorController cursorController; + final Map indentLevelCounts; + + @override + Widget build(BuildContext context) { + assert(debugCheckHasDirectionality(context)); + + final defaultStyle = EditorStyles.getStyles(context, false); + return _EditableBlock( + block, + textDirection, + verticalSpacing as Tuple2, + scrollBottomInset, + _getDecorationForBlock(block, defaultStyle) ?? const BoxDecoration(), + contentPadding, + _buildChildren(context, indentLevelCounts), + ); + } + + // Builder + BoxDecoration? _getDecorationForBlock( + Block node, DefaultStyles? defaultStyles) { + final attrs = block.style.attributes; + if (attrs.containsKey(Attribute.quoteBlock.key)) { + return defaultStyles!.quote!.decoration; + } else if (attrs.containsKey(Attribute.codeBlock.key)) { + return defaultStyles!.code!.decoration; + } + return null; + } + + List _buildChildren( + BuildContext context, Map indentLevelCounts) { + final defaultStyles = EditorStyles.getStyles(context, false); + final count = block.children.length; + final children = []; + var index = 0; + for (final line in Iterable.castFrom(block.children)) { + index++; + final editableTextLine = EditableTextLine( + line, + _buildLeading(context, line, index, indentLevelCounts, count), + TextLine( + line: line, + textDirection: textDirection, + embedBuilder: embedBuilder, + styles: styles!, + ), + _getIndentWidth(), + _getSpacingForLine(line, index, count, defaultStyles), + textDirection, + textSelection, + color, + enableInteractiveSelection, + hasFocus, + MediaQuery.of(context).devicePixelRatio, + cursorController, + ); + children.add(editableTextLine); + } + return children.toList(growable: false); + } + + double _getIndentWidth() { + final attrs = block.style.attributes; + + final indent = attrs[Attribute.indent.key]; + var extraIndent = 0.0; + if (indent != null && indent.value != null) { + extraIndent = 16.0 * indent.value; + } + + if (attrs.containsKey(Attribute.quoteBlock.key)) { + return 16.0 + extraIndent; + } + + return 32.0 + extraIndent; + } + + Widget? _buildLeading(BuildContext context, Line line, int index, + Map indentLevelCounts, int count) { + final defaultStyles = EditorStyles.getStyles(context, false); + final attrs = line.style.attributes; + + // List Type (OrderedList, BulletList, CheckedList) + if (attrs[Attribute.list.key] == Attribute.ordered) { + return _NumberPoint( + index: index, + indentLevelCounts: indentLevelCounts, + count: count, + style: defaultStyles!.leading!.style, + attrs: attrs, + width: 32, + padding: 8, + ); + } else if (attrs[Attribute.list.key] == Attribute.bullet) { + return _BulletPoint( + style: + defaultStyles!.leading!.style.copyWith(fontWeight: FontWeight.bold), + width: 32, + ); + } else if (attrs[Attribute.list.key] == Attribute.checked) { + return _Checkbox( + style: defaultStyles!.leading!.style, + width: 32, + isChecked: true, + ); + } else if (attrs[Attribute.list.key] == Attribute.unchecked) { + return _Checkbox( + style: defaultStyles!.leading!.style, + width: 32, + isChecked: false, + ); + } + + // Code Block + if (attrs.containsKey(Attribute.codeBlock.key)) { + return _NumberPoint( + index: index, + indentLevelCounts: indentLevelCounts, + count: count, + style: defaultStyles!.code!.style + .copyWith(color: defaultStyles.code!.style.color!.withOpacity(0.4)), + width: 32, + padding: 16, + withDot: false, + attrs: attrs, + ); + } + + return null; + } + + Tuple2 _getSpacingForLine( + Line node, int index, int count, DefaultStyles? defaultStyles) { + var top = 0.0, bottom = 0.0; + + final attrs = block.style.attributes; + if (attrs.containsKey(Attribute.header.key)) { + final level = attrs[Attribute.header.key]!.value; + final headerStyles = { + 1: defaultStyles!.h1!, + 2: defaultStyles.h2!, + 3: defaultStyles.h3!, + 4: defaultStyles.h4!, + 5: defaultStyles.h5!, + 6: defaultStyles.h6!, + }; + if (!headerStyles.containsKey(level)) { + throw 'Invalid level $level'; + } + + top = headerStyles[level]!.verticalSpacing.item1; + bottom = headerStyles[level]!.verticalSpacing.item2; + } else { + Tuple2? lineSpacing; + final blockStyles = { + Attribute.quoteBlock.key: defaultStyles!.quote!, + Attribute.indent.key: defaultStyles.indent!, + Attribute.list.key: defaultStyles.lists!, + Attribute.codeBlock.key: defaultStyles.code!, + Attribute.align.key: defaultStyles.align!, + }; + blockStyles.forEach((k, v) { + if (attrs.containsKey(k) && lineSpacing != null) { + lineSpacing = v.lineSpacing; + } + }); + top = lineSpacing?.item1 ?? top; + bottom = lineSpacing?.item2 ?? bottom; + } + + // remove first and last edge padding + if (index == 1) { + top = 0.0; + } + if (index == count) { + bottom = 0.0; + } + + return Tuple2(top, bottom); + } +} + +/* ------------------------ Multi Child RenderObject ------------------------ */ + +class _EditableBlock extends MultiChildRenderObjectWidget { + _EditableBlock( + this.block, + this.textDirection, + this.padding, + this.scrollBottomInset, + this.decoration, + this.contentPadding, + List children, + ) : super(children: children); + + final Block block; + final TextDirection textDirection; + final Tuple2 padding; + final double scrollBottomInset; + final Decoration decoration; + final EdgeInsets? contentPadding; + + EdgeInsets get _padding => + EdgeInsets.only(top: padding.item1, bottom: padding.item2); + + EdgeInsets get _contentPadding => contentPadding ?? EdgeInsets.zero; + + @override + RenderEditableTextBlock createRenderObject(BuildContext context) { + return RenderEditableTextBlock( + block: block, + textDirection: textDirection, + padding: _padding, + scrollBottomInset: scrollBottomInset, + decoration: decoration, + contentPadding: _contentPadding, + ); + } + + @override + void updateRenderObject( + BuildContext context, covariant RenderEditableTextBlock renderObject) { + renderObject + ..container = block + ..textDirection = textDirection + ..scrollBottomInset = scrollBottomInset + ..padding = _padding + ..decoration = decoration + ..contentPadding = _contentPadding; + } +} + +/* ------------------------- Block Supplement Widget ------------------------ */ + +const List arabianRomanNumbers = [ + 1000, + 900, + 500, + 400, + 100, + 90, + 50, + 40, + 10, + 9, + 5, + 4, + 1 +]; + +const List romanNumbers = [ + 'M', + 'CM', + 'D', + 'CD', + 'C', + 'XC', + 'L', + 'XL', + 'X', + 'IX', + 'V', + 'IV', + 'I' +]; + +class _NumberPoint extends StatelessWidget { + const _NumberPoint({ + required this.index, + required this.indentLevelCounts, + required this.count, + required this.style, + required this.width, + required this.attrs, + this.withDot = true, + this.padding = 0.0, + Key? key, + }) : super(key: key); + + final int index; + final Map indentLevelCounts; + final int count; + final TextStyle style; + final double width; + final Map attrs; + final bool withDot; + final double padding; + + @override + Widget build(BuildContext context) { + var s = index.toString(); + int? level = 0; + if (!attrs.containsKey(Attribute.indent.key) && + !indentLevelCounts.containsKey(1)) { + indentLevelCounts.clear(); + return Container( + alignment: AlignmentDirectional.topEnd, + width: width, + padding: EdgeInsetsDirectional.only(end: padding), + child: Text(withDot ? '$s.' : s, style: style), + ); + } + if (attrs.containsKey(Attribute.indent.key)) { + level = attrs[Attribute.indent.key]!.value; + } else { + // first level but is back from previous indent level + // supposed to be "2." + indentLevelCounts[0] = 1; + } + if (indentLevelCounts.containsKey(level! + 1)) { + // last visited level is done, going up + indentLevelCounts.remove(level + 1); + } + final count = (indentLevelCounts[level] ?? 0) + 1; + indentLevelCounts[level] = count; + + s = count.toString(); + if (level % 3 == 1) { + // a. b. c. d. e. ... + s = _toExcelSheetColumnTitle(count); + } else if (level % 3 == 2) { + // i. ii. iii. ... + s = _intToRoman(count); + } + // level % 3 == 0 goes back to 1. 2. 3. + + return Container( + alignment: AlignmentDirectional.topEnd, + width: width, + padding: EdgeInsetsDirectional.only(end: padding), + child: Text(withDot ? '$s.' : s, style: style), + ); + } + + String _toExcelSheetColumnTitle(int n) { + final result = StringBuffer(); + while (n > 0) { + n--; + result.write(String.fromCharCode((n % 26).floor() + 97)); + n = (n / 26).floor(); + } + + return result.toString().split('').reversed.join(); + } + + String _intToRoman(int input) { + var num = input; + + if (num < 0) { + return ''; + } else if (num == 0) { + return 'nulla'; + } + + final builder = StringBuffer(); + for (var a = 0; a < arabianRomanNumbers.length; a++) { + final times = (num / arabianRomanNumbers[a]) + .truncate(); // equals 1 only when arabianRomanNumbers[a] = num + // executes n times where n is the number of times you have to add + // the current roman number value to reach current num. + builder.write(romanNumbers[a] * times); + num -= times * + arabianRomanNumbers[ + a]; // subtract previous roman number value from num + } + + return builder.toString().toLowerCase(); + } +} + +class _BulletPoint extends StatelessWidget { + const _BulletPoint({ + required this.style, + required this.width, + Key? key, + }) : super(key: key); + + final TextStyle style; + final double width; + + @override + Widget build(BuildContext context) { + return Container( + alignment: AlignmentDirectional.topEnd, + width: width, + padding: const EdgeInsetsDirectional.only(end: 13), + child: Text('•', style: style), + ); + } +} + +class _Checkbox extends StatefulWidget { + const _Checkbox({ + Key? key, + this.style, + this.width, + this.isChecked, + this.onChanged, + }) : super(key: key); + + final TextStyle? style; + final double? width; + final bool? isChecked; + final Function(bool?)? onChanged; + + @override + __CheckboxState createState() => __CheckboxState(); +} + +class __CheckboxState extends State<_Checkbox> { + bool? isChecked; + + void _onCheckboxChanged(bool? newValue) { + setState(() { + isChecked = newValue; + if (widget.onChanged != null) { + widget.onChanged!(isChecked); + } + }); + } + + @override + void initState() { + super.initState(); + isChecked = widget.isChecked; + } + + @override + Widget build(BuildContext context) { + return Container( + alignment: AlignmentDirectional.topEnd, + width: widget.width, + padding: const EdgeInsetsDirectional.only(end: 13), + child: Checkbox( + value: widget.isChecked, + onChanged: _onCheckboxChanged, + ), + ); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/widget/text_line.dart b/app_flowy/packages/flowy_editor/lib/widget/text_line.dart new file mode 100644 index 0000000000..a6bc8da16a --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/widget/text_line.dart @@ -0,0 +1,279 @@ +import 'package:flutter/material.dart'; +import 'package:tuple/tuple.dart'; + +import '../model/document/node/leaf.dart' as leaf; +import '../model/document/attribute.dart'; +import '../model/document/node/line.dart'; +import '../model/document/node/node.dart'; +import '../rendering/text_line.dart'; +import '../widget/proxy.dart'; +import '../service/style.dart'; +import '../service/cursor.dart'; +import '../util/color.dart'; + +/* --------------------------------- Widget --------------------------------- */ + +class TextLine extends StatelessWidget { + const TextLine({ + required this.line, + required this.embedBuilder, + required this.styles, + this.textDirection, + Key? key, + }) : super(key: key); + + final Line line; + final TextDirection? textDirection; + final EmbedBuilderFuncion embedBuilder; + final DefaultStyles styles; + + @override + Widget build(BuildContext context) { + assert(debugCheckHasMediaQuery(context)); + + if (line.hasEmbed) { + final embed = line.children.single as leaf.Embed; + return EmbedProxy(embedBuilder(context, embed)); + } + + final textSpan = _buildTextSpan(context); + final strutStyle = StrutStyle.fromTextStyle(textSpan.style!); + final textAlign = _getTextAlign(); + final child = RichText( + text: textSpan, + textAlign: textAlign, + textDirection: textDirection, + strutStyle: strutStyle, + textScaleFactor: MediaQuery.textScaleFactorOf(context), + ); + return RichTextProxy( + child, + textSpan.style!, + textAlign, + textDirection!, + 1, + Localizations.localeOf(context), + strutStyle, + TextWidthBasis.parent, + null, + ); + } + + // TextStyle Decode + + TextAlign _getTextAlign() { + final alignment = line.style.attributes[Attribute.align.key]; + if (Attribute.leftAlignment == alignment) { + return TextAlign.left; + } else if (Attribute.centerAlignment == alignment) { + return TextAlign.center; + } else if (Attribute.rightAlignment == alignment) { + return TextAlign.right; + } else if (Attribute.justifyAlignment == alignment) { + return TextAlign.justify; + } + return TextAlign.start; + } + + // Span Util + + TextSpan _buildTextSpan(BuildContext context) { + final defaultStyles = styles; + final children = line.children + .map((child) => _getTextSpanFromNode(defaultStyles, child)) + .toList(growable: false); + + var textStyle = const TextStyle(); + + // Placeholder + if (line.style.containsKey(Attribute.placeholder.key)) { + textStyle = defaultStyles.placeHolder!.style; + return TextSpan(children: children, style: textStyle); + } + + // Header + final header = line.style.attributes[Attribute.header.key]; + final headerStyles = { + Attribute.h1: defaultStyles.h1!.style, + Attribute.h2: defaultStyles.h2!.style, + Attribute.h3: defaultStyles.h3!.style, + Attribute.h4: defaultStyles.h4!.style, + Attribute.h5: defaultStyles.h5!.style, + Attribute.h6: defaultStyles.h6!.style, + }; + textStyle = + textStyle.merge(headerStyles[header] ?? defaultStyles.paragraph!.style); + + // Block + final block = line.style.getBlockExceptHeader(); + TextStyle? blockStyle; + if (Attribute.quoteBlock == block) { + blockStyle = defaultStyles.quote!.style; + } else if (Attribute.codeBlock == block) { + blockStyle = defaultStyles.code!.style; + } else if (block != null) { + blockStyle = defaultStyles.lists!.style; + } + textStyle = textStyle.merge(blockStyle); + + return TextSpan(children: children, style: textStyle); + } + + TextSpan _getTextSpanFromNode(DefaultStyles defaultStyles, Node node) { + final textNode = node as leaf.Text; + final style = textNode.style; + + // Inline Style + final inlineStyles = { + Attribute.bold.key: defaultStyles.bold, + Attribute.italic.key: defaultStyles.italic, + Attribute.link.key: defaultStyles.link, + Attribute.underline.key: defaultStyles.underline, + Attribute.strikeThrough.key: defaultStyles.strikeThrough, + }; + var result = const TextStyle(); + inlineStyles.forEach((_key, _style) { + if (style.values.any((val) => val.key == _key)) { + result = _merge(result, _style!); + } + }); + + // Font + final font = textNode.style.attributes[Attribute.font.key]; + if (font != null && font.value != null) { + result = result.merge(TextStyle(fontFamily: font.value)); + } + + // Size + final size = textNode.style.attributes[Attribute.size.key]; + if (size != null && size.value != null) { + switch (size.value) { + case 'small': + result = result.merge(defaultStyles.sizeSmall); + break; + case 'large': + result = result.merge(defaultStyles.sizeLarge); + break; + case 'huge': + result = result.merge(defaultStyles.sizeHuge); + break; + default: + final fontSize = double.tryParse(size.value); + if (fontSize != null) { + result = result.merge(TextStyle(fontSize: fontSize)); + } else { + throw 'Invalid size ${size.value}'; + } + } + } + + // Color + final color = textNode.style.attributes[Attribute.color.key]; + if (color != null && color.value != null) { + var textColor = defaultStyles.color; + if (color.value is String) { + textColor = stringToColor(color.value); + } + if (textColor != null) { + result = result.merge(TextStyle(color: textColor)); + } + } + + // Background + final background = textNode.style.attributes[Attribute.background.key]; + if (background != null && background.value != null) { + final backgroundColor = stringToColor(background.value); + result = result.merge(TextStyle(backgroundColor: backgroundColor)); + } + + return TextSpan(text: textNode.value, style: result); + } + + TextStyle _merge(TextStyle style, TextStyle otherStyle) { + final decorations = []; + if (style.decoration != null) { + decorations.add(style.decoration); + } + if (otherStyle.decoration != null) { + decorations.add(otherStyle.decoration); + } + return style.merge(otherStyle).apply( + decoration: TextDecoration.combine( + List.castFrom(decorations), + ), + ); + } +} + +/* -------------------------- Render Object Widget -------------------------- */ + +class EditableTextLine extends RenderObjectWidget { + const EditableTextLine( + this.line, + this.leading, + this.body, + this.indentWidth, + this.verticalSpacing, + this.textDirection, + this.textSelection, + this.color, + this.enableInteractiveSelection, + this.hasFocus, + this.devicePixelRatio, + this.cursorController, + ); + + final Line line; + final Widget? leading; + final Widget body; + final double indentWidth; + final Tuple2 verticalSpacing; + final TextDirection textDirection; + final TextSelection textSelection; + final Color color; + final bool enableInteractiveSelection; + final bool hasFocus; + final double devicePixelRatio; + final CursorController cursorController; + + @override + RenderObjectElement createElement() => TextLineElement(this); + + @override + RenderEditableTextLine createRenderObject(BuildContext context) { + return RenderEditableTextLine( + line, + textDirection, + textSelection, + enableInteractiveSelection, + hasFocus, + devicePixelRatio, + _computePadding(), + color, + cursorController, + ); + } + + @override + void updateRenderObject( + BuildContext context, covariant RenderEditableTextLine renderObject) { + renderObject + ..line = line + ..padding = _computePadding() + ..textDirection = textDirection + ..textSelection = textSelection + ..color = color + ..enableInteractiveSelection = enableInteractiveSelection + ..hasFocus = hasFocus + ..devicePixelRatio = devicePixelRatio + ..cursorController = cursorController; + } + + EdgeInsetsGeometry _computePadding() { + return EdgeInsetsDirectional.only( + start: indentWidth, + top: verticalSpacing.item1, + bottom: verticalSpacing.item2, + ); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/widget/toolbar.dart b/app_flowy/packages/flowy_editor/lib/widget/toolbar.dart new file mode 100644 index 0000000000..70583b4c49 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/widget/toolbar.dart @@ -0,0 +1,57 @@ +import 'dart:io'; + +import 'package:flutter/material.dart'; + +/* -------------------------------- Constant -------------------------------- */ + +typedef OnImageSelectCallback = Future Function(File file); + +final double kToolbarButtonDefaultSize = 18.0; + +/* --------------------------------- Toolbar -------------------------------- */ + +class EditorToolbar extends StatefulWidget implements PreferredSizeWidget { + const EditorToolbar({ + required this.children, + this.customToolbarHeight, + this.customButtonHeight, + Key? key, + }) : super(key: key); + + final double? customButtonHeight; + final double? customToolbarHeight; + final List children; + + @override + Size get preferredSize { + return Size.fromHeight(customToolbarHeight ?? + customButtonHeight ?? + kToolbarButtonDefaultSize * 2); + } + + @override + _EditorToolbarState createState() => _EditorToolbarState(); +} + +class _EditorToolbarState extends State { + @override + Widget build(BuildContext context) { + return Container( + padding: const EdgeInsets.symmetric(horizontal: 8), + constraints: BoxConstraints.tightFor(height: widget.preferredSize.height), + color: Theme.of(context).canvasColor, + child: CustomScrollView( + scrollDirection: Axis.horizontal, + slivers: [ + SliverFillRemaining( + hasScrollBody: false, + child: Row( + mainAxisAlignment: MainAxisAlignment.spaceEvenly, + children: widget.children, + ), + ) + ], + ), + ); + } +} diff --git a/app_flowy/packages/flowy_editor/macos/Classes/FlowyEditorPlugin.swift b/app_flowy/packages/flowy_editor/macos/Classes/FlowyEditorPlugin.swift new file mode 100644 index 0000000000..3e28362c3a --- /dev/null +++ b/app_flowy/packages/flowy_editor/macos/Classes/FlowyEditorPlugin.swift @@ -0,0 +1,19 @@ +import Cocoa +import FlutterMacOS + +public class FlowyEditorPlugin: NSObject, FlutterPlugin { + public static func register(with registrar: FlutterPluginRegistrar) { + let channel = FlutterMethodChannel(name: "flowy_editor", binaryMessenger: registrar.messenger) + let instance = FlowyEditorPlugin() + registrar.addMethodCallDelegate(instance, channel: channel) + } + + public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) { + switch call.method { + case "getPlatformVersion": + result("macOS " + ProcessInfo.processInfo.operatingSystemVersionString) + default: + result(FlutterMethodNotImplemented) + } + } +} diff --git a/app_flowy/packages/flowy_editor/macos/flowy_editor.podspec b/app_flowy/packages/flowy_editor/macos/flowy_editor.podspec new file mode 100644 index 0000000000..37e8b7641b --- /dev/null +++ b/app_flowy/packages/flowy_editor/macos/flowy_editor.podspec @@ -0,0 +1,22 @@ +# +# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html. +# Run `pod lib lint flowy_editor.podspec` to validate before publishing. +# +Pod::Spec.new do |s| + s.name = 'flowy_editor' + s.version = '0.0.1' + s.summary = 'A new flutter plugin project.' + s.description = <<-DESC +A new flutter plugin project. + DESC + s.homepage = 'http://example.com' + s.license = { :file => '../LICENSE' } + s.author = { 'Your Company' => 'email@example.com' } + s.source = { :path => '.' } + s.source_files = 'Classes/**/*' + s.dependency 'FlutterMacOS' + + s.platform = :osx, '10.11' + s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' } + s.swift_version = '5.0' +end diff --git a/app_flowy/packages/flowy_editor/pubspec.lock b/app_flowy/packages/flowy_editor/pubspec.lock new file mode 100644 index 0000000000..554a00eb29 --- /dev/null +++ b/app_flowy/packages/flowy_editor/pubspec.lock @@ -0,0 +1,280 @@ +# Generated by pub +# See https://dart.dev/tools/pub/glossary#lockfile +packages: + async: + dependency: transitive + description: + name: async + url: "https://pub.dartlang.org" + source: hosted + version: "2.6.1" + boolean_selector: + dependency: transitive + description: + name: boolean_selector + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + characters: + dependency: transitive + description: + name: characters + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + charcode: + dependency: transitive + description: + name: charcode + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + clock: + dependency: transitive + description: + name: clock + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + collection: + dependency: "direct main" + description: + name: collection + url: "https://pub.dartlang.org" + source: hosted + version: "1.15.0" + fake_async: + dependency: transitive + description: + name: fake_async + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + flutter: + dependency: "direct main" + description: flutter + source: sdk + version: "0.0.0" + flutter_colorpicker: + dependency: "direct main" + description: + name: flutter_colorpicker + url: "https://pub.dartlang.org" + source: hosted + version: "0.5.0" + flutter_keyboard_visibility: + dependency: "direct main" + description: + name: flutter_keyboard_visibility + url: "https://pub.dartlang.org" + source: hosted + version: "5.0.1" + flutter_keyboard_visibility_platform_interface: + dependency: transitive + description: + name: flutter_keyboard_visibility_platform_interface + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + flutter_keyboard_visibility_web: + dependency: transitive + description: + name: flutter_keyboard_visibility_web + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + flutter_test: + dependency: "direct dev" + description: flutter + source: sdk + version: "0.0.0" + flutter_web_plugins: + dependency: "direct main" + description: flutter + source: sdk + version: "0.0.0" + js: + dependency: transitive + description: + name: js + url: "https://pub.dartlang.org" + source: hosted + version: "0.6.3" + matcher: + dependency: transitive + description: + name: matcher + url: "https://pub.dartlang.org" + source: hosted + version: "0.12.10" + meta: + dependency: "direct main" + description: + name: meta + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.0" + path: + dependency: transitive + description: + name: path + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.0" + pedantic: + dependency: "direct main" + description: + name: pedantic + url: "https://pub.dartlang.org" + source: hosted + version: "1.11.0" + photo_view: + dependency: "direct main" + description: + path: "." + ref: "0.11.1-bugfix.1" + resolved-ref: "2b1915d8e798d887137397ec66511a14af30dadb" + url: "git@github.com:App-Flowy/photo_view.git" + source: git + version: "0.11.1-bugfix.1" + plugin_platform_interface: + dependency: transitive + description: + name: plugin_platform_interface + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + quiver: + dependency: "direct main" + description: + name: quiver + url: "https://pub.dartlang.org" + source: hosted + version: "3.0.1" + quiver_hashcode: + dependency: "direct main" + description: + name: quiver_hashcode + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + sky_engine: + dependency: transitive + description: flutter + source: sdk + version: "0.0.99" + source_span: + dependency: transitive + description: + name: source_span + url: "https://pub.dartlang.org" + source: hosted + version: "1.8.1" + stack_trace: + dependency: transitive + description: + name: stack_trace + url: "https://pub.dartlang.org" + source: hosted + version: "1.10.0" + stream_channel: + dependency: transitive + description: + name: stream_channel + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" + string_scanner: + dependency: transitive + description: + name: string_scanner + url: "https://pub.dartlang.org" + source: hosted + version: "1.1.0" + string_validator: + dependency: "direct main" + description: + name: string_validator + url: "https://pub.dartlang.org" + source: hosted + version: "0.3.0" + term_glyph: + dependency: transitive + description: + name: term_glyph + url: "https://pub.dartlang.org" + source: hosted + version: "1.2.0" + test_api: + dependency: transitive + description: + name: test_api + url: "https://pub.dartlang.org" + source: hosted + version: "0.3.0" + tuple: + dependency: "direct main" + description: + name: tuple + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + typed_data: + dependency: transitive + description: + name: typed_data + url: "https://pub.dartlang.org" + source: hosted + version: "1.3.0" + url_launcher: + dependency: "direct main" + description: + name: url_launcher + url: "https://pub.dartlang.org" + source: hosted + version: "6.0.3" + url_launcher_linux: + dependency: transitive + description: + name: url_launcher_linux + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + url_launcher_macos: + dependency: transitive + description: + name: url_launcher_macos + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + url_launcher_platform_interface: + dependency: transitive + description: + name: url_launcher_platform_interface + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.2" + url_launcher_web: + dependency: transitive + description: + name: url_launcher_web + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + url_launcher_windows: + dependency: transitive + description: + name: url_launcher_windows + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + vector_math: + dependency: transitive + description: + name: vector_math + url: "https://pub.dartlang.org" + source: hosted + version: "2.1.0" +sdks: + dart: ">=2.12.0 <3.0.0" + flutter: ">=1.22.0" diff --git a/app_flowy/packages/flowy_editor/pubspec.yaml b/app_flowy/packages/flowy_editor/pubspec.yaml new file mode 100644 index 0000000000..68f7d38235 --- /dev/null +++ b/app_flowy/packages/flowy_editor/pubspec.yaml @@ -0,0 +1,95 @@ +name: flowy_editor +description: A new flutter plugin project. +version: 0.0.1 +author: +homepage: + +publish_to: 'none' + +environment: + sdk: ">=2.12.0 <3.0.0" + flutter: ">=1.20.0" + +dependencies: + flutter: + sdk: flutter + flutter_web_plugins: + sdk: flutter + # Flowy Lib + quiver: ^3.0.1 + tuple: ^2.0.0 + collection: ^1.15.0 + url_launcher: ^6.0.3 + string_validator: ^0.3.0 + flutter_keyboard_visibility: ^5.0.1 + flutter_colorpicker: ^0.5.0 + photo_view: + git: + url: git@github.com:App-Flowy/photo_view.git + ref: 0.11.1-bugfix.1 + + # Notus Lib (To be removed) + meta: ^1.1.0 + quiver_hashcode: ^2.0.0 + pedantic: ^1.9.0 + +dev_dependencies: + flutter_test: + sdk: flutter + + + +# For information on the generic Dart part of this file, see the +# following page: https://dart.dev/tools/pub/pubspec + +# The following section is specific to Flutter. +flutter: + # This section identifies this Flutter project as a plugin project. + # The 'pluginClass' and Android 'package' identifiers should not ordinarily + # be modified. They are used by the tooling to maintain consistency when + # adding or updating assets for this project. + plugin: + platforms: + android: + package: com.plugin.flowy_editor + pluginClass: FlowyEditorPlugin + ios: + pluginClass: FlowyEditorPlugin + macos: + pluginClass: FlowyEditorPlugin + windows: + pluginClass: FlowyEditorPlugin + web: + pluginClass: FlowyEditorWeb + fileName: flowy_editor_web.dart + + # To add assets to your plugin package, add an assets section, like this: + # assets: + # - images/a_dot_burr.jpeg + # - images/a_dot_ham.jpeg + # + # For details regarding assets in packages, see + # https://flutter.dev/assets-and-images/#from-packages + # + # An image asset can refer to one or more resolution-specific "variants", see + # https://flutter.dev/assets-and-images/#resolution-aware. + + # To add custom fonts to your plugin package, add a fonts section here, + # in this "flutter" section. Each entry in this list should have a + # "family" key with the font family name, and a "fonts" key with a + # list giving the asset and other descriptors for the font. For + # example: + # fonts: + # - family: Schyler + # fonts: + # - asset: fonts/Schyler-Regular.ttf + # - asset: fonts/Schyler-Italic.ttf + # style: italic + # - family: Trajan Pro + # fonts: + # - asset: fonts/TrajanPro.ttf + # - asset: fonts/TrajanPro_Bold.ttf + # weight: 700 + # + # For details regarding fonts in packages, see + # https://flutter.dev/custom-fonts/#from-packages diff --git a/app_flowy/packages/flowy_editor/test/flowy_editor_test.dart b/app_flowy/packages/flowy_editor/test/flowy_editor_test.dart new file mode 100644 index 0000000000..acfcd7bb80 --- /dev/null +++ b/app_flowy/packages/flowy_editor/test/flowy_editor_test.dart @@ -0,0 +1,18 @@ +import 'package:flutter/services.dart'; +import 'package:flutter_test/flutter_test.dart'; + +void main() { + const channel = MethodChannel('flowy_editor'); + + TestWidgetsFlutterBinding.ensureInitialized(); + + setUp(() { + channel.setMockMethodCallHandler((MethodCall methodCall) async { + return '42'; + }); + }); + + tearDown(() { + channel.setMockMethodCallHandler(null); + }); +} diff --git a/app_flowy/packages/flowy_editor/windows/.gitignore b/app_flowy/packages/flowy_editor/windows/.gitignore new file mode 100644 index 0000000000..b3eb2be169 --- /dev/null +++ b/app_flowy/packages/flowy_editor/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ + +# Visual Studio user-specific files. +*.suo +*.user +*.userosscache +*.sln.docstates + +# Visual Studio build-related files. +x64/ +x86/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ diff --git a/app_flowy/packages/flowy_editor/windows/CMakeLists.txt b/app_flowy/packages/flowy_editor/windows/CMakeLists.txt new file mode 100644 index 0000000000..486a1995d8 --- /dev/null +++ b/app_flowy/packages/flowy_editor/windows/CMakeLists.txt @@ -0,0 +1,24 @@ +cmake_minimum_required(VERSION 3.15) +set(PROJECT_NAME "flowy_editor") +project(${PROJECT_NAME} LANGUAGES CXX) + +# This value is used when generating builds using this plugin, so it must +# not be changed +set(PLUGIN_NAME "flowy_editor_plugin") + +add_library(${PLUGIN_NAME} SHARED + "flowy_editor_plugin.cpp" +) +apply_standard_settings(${PLUGIN_NAME}) +set_target_properties(${PLUGIN_NAME} PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_compile_definitions(${PLUGIN_NAME} PRIVATE FLUTTER_PLUGIN_IMPL) +target_include_directories(${PLUGIN_NAME} INTERFACE + "${CMAKE_CURRENT_SOURCE_DIR}/include") +target_link_libraries(${PLUGIN_NAME} PRIVATE flutter flutter_wrapper_plugin) + +# List of absolute paths to libraries that should be bundled with the plugin +set(flowy_editor_bundled_libraries + "" + PARENT_SCOPE +) diff --git a/app_flowy/packages/flowy_editor/windows/flowy_editor_plugin.cpp b/app_flowy/packages/flowy_editor/windows/flowy_editor_plugin.cpp new file mode 100644 index 0000000000..2e97be695e --- /dev/null +++ b/app_flowy/packages/flowy_editor/windows/flowy_editor_plugin.cpp @@ -0,0 +1,82 @@ +#include "include/flowy_editor/flowy_editor_plugin.h" + +// This must be included before many other Windows headers. +#include + +// For getPlatformVersion; remove unless needed for your plugin implementation. +#include + +#include +#include +#include + +#include +#include +#include + +namespace { + +class FlowyEditorPlugin : public flutter::Plugin { + public: + static void RegisterWithRegistrar(flutter::PluginRegistrarWindows *registrar); + + FlowyEditorPlugin(); + + virtual ~FlowyEditorPlugin(); + + private: + // Called when a method is called on this plugin's channel from Dart. + void HandleMethodCall( + const flutter::MethodCall &method_call, + std::unique_ptr> result); +}; + +// static +void FlowyEditorPlugin::RegisterWithRegistrar( + flutter::PluginRegistrarWindows *registrar) { + auto channel = + std::make_unique>( + registrar->messenger(), "flowy_editor", + &flutter::StandardMethodCodec::GetInstance()); + + auto plugin = std::make_unique(); + + channel->SetMethodCallHandler( + [plugin_pointer = plugin.get()](const auto &call, auto result) { + plugin_pointer->HandleMethodCall(call, std::move(result)); + }); + + registrar->AddPlugin(std::move(plugin)); +} + +FlowyEditorPlugin::FlowyEditorPlugin() {} + +FlowyEditorPlugin::~FlowyEditorPlugin() {} + +void FlowyEditorPlugin::HandleMethodCall( + const flutter::MethodCall &method_call, + std::unique_ptr> result) { + if (method_call.method_name().compare("getPlatformVersion") == 0) { + std::ostringstream version_stream; + version_stream << "Windows "; + if (IsWindows10OrGreater()) { + version_stream << "10+"; + } else if (IsWindows8OrGreater()) { + version_stream << "8"; + } else if (IsWindows7OrGreater()) { + version_stream << "7"; + } + result->Success(flutter::EncodableValue(version_stream.str())); + } else { + result->NotImplemented(); + } +} + +} // namespace + +void FlowyEditorPluginRegisterWithRegistrar( + FlutterDesktopPluginRegistrarRef registrar) { + FlowyEditorPlugin::RegisterWithRegistrar( + flutter::PluginRegistrarManager::GetInstance() + ->GetRegistrar(registrar)); +} diff --git a/app_flowy/packages/flowy_editor/windows/include/flowy_editor/flowy_editor_plugin.h b/app_flowy/packages/flowy_editor/windows/include/flowy_editor/flowy_editor_plugin.h new file mode 100644 index 0000000000..85317032cf --- /dev/null +++ b/app_flowy/packages/flowy_editor/windows/include/flowy_editor/flowy_editor_plugin.h @@ -0,0 +1,23 @@ +#ifndef FLUTTER_PLUGIN_FLOWY_EDITOR_PLUGIN_H_ +#define FLUTTER_PLUGIN_FLOWY_EDITOR_PLUGIN_H_ + +#include + +#ifdef FLUTTER_PLUGIN_IMPL +#define FLUTTER_PLUGIN_EXPORT __declspec(dllexport) +#else +#define FLUTTER_PLUGIN_EXPORT __declspec(dllimport) +#endif + +#if defined(__cplusplus) +extern "C" { +#endif + +FLUTTER_PLUGIN_EXPORT void FlowyEditorPluginRegisterWithRegistrar( + FlutterDesktopPluginRegistrarRef registrar); + +#if defined(__cplusplus) +} // extern "C" +#endif + +#endif // FLUTTER_PLUGIN_FLOWY_EDITOR_PLUGIN_H_ diff --git a/app_flowy/pubspec.lock b/app_flowy/pubspec.lock index b3f023b3a1..d02612e717 100644 --- a/app_flowy/pubspec.lock +++ b/app_flowy/pubspec.lock @@ -225,6 +225,13 @@ packages: url: "https://pub.dartlang.org" source: hosted version: "1.0.0" + flowy_editor: + dependency: "direct main" + description: + path: "packages/flowy_editor" + relative: true + source: path + version: "0.0.1" flowy_logger: dependency: transitive description: @@ -258,6 +265,34 @@ packages: url: "https://pub.dartlang.org" source: hosted version: "7.0.1" + flutter_colorpicker: + dependency: transitive + description: + name: flutter_colorpicker + url: "https://pub.dartlang.org" + source: hosted + version: "0.5.0" + flutter_keyboard_visibility: + dependency: transitive + description: + name: flutter_keyboard_visibility + url: "https://pub.dartlang.org" + source: hosted + version: "5.0.2" + flutter_keyboard_visibility_platform_interface: + dependency: transitive + description: + name: flutter_keyboard_visibility_platform_interface + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + flutter_keyboard_visibility_web: + dependency: transitive + description: + name: flutter_keyboard_visibility_web + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" flutter_lints: dependency: "direct dev" description: @@ -270,6 +305,11 @@ packages: description: flutter source: sdk version: "0.0.0" + flutter_web_plugins: + dependency: transitive + description: flutter + source: sdk + version: "0.0.0" freezed: dependency: "direct dev" description: @@ -466,6 +506,15 @@ packages: url: "https://pub.dartlang.org" source: hosted version: "1.11.1" + photo_view: + dependency: transitive + description: + path: "." + ref: "0.11.1-bugfix.1" + resolved-ref: "2b1915d8e798d887137397ec66511a14af30dadb" + url: "git@github.com:App-Flowy/photo_view.git" + source: git + version: "0.11.1-bugfix.1" platform: dependency: transitive description: @@ -522,6 +571,20 @@ packages: url: "https://pub.dartlang.org" source: hosted version: "1.0.0" + quiver: + dependency: transitive + description: + name: quiver + url: "https://pub.dartlang.org" + source: hosted + version: "3.0.1" + quiver_hashcode: + dependency: transitive + description: + name: quiver_hashcode + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" shelf: dependency: transitive description: @@ -583,6 +646,13 @@ packages: url: "https://pub.dartlang.org" source: hosted version: "1.1.0" + string_validator: + dependency: transitive + description: + name: string_validator + url: "https://pub.dartlang.org" + source: hosted + version: "0.3.0" term_glyph: dependency: transitive description: @@ -618,6 +688,13 @@ packages: url: "https://pub.dartlang.org" source: hosted version: "1.0.0" + tuple: + dependency: transitive + description: + name: tuple + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" typed_data: dependency: transitive description: @@ -625,6 +702,48 @@ packages: url: "https://pub.dartlang.org" source: hosted version: "1.3.0" + url_launcher: + dependency: transitive + description: + name: url_launcher + url: "https://pub.dartlang.org" + source: hosted + version: "6.0.9" + url_launcher_linux: + dependency: transitive + description: + name: url_launcher_linux + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + url_launcher_macos: + dependency: transitive + description: + name: url_launcher_macos + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" + url_launcher_platform_interface: + dependency: transitive + description: + name: url_launcher_platform_interface + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.4" + url_launcher_web: + dependency: transitive + description: + name: url_launcher_web + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.1" + url_launcher_windows: + dependency: transitive + description: + name: url_launcher_windows + url: "https://pub.dartlang.org" + source: hosted + version: "2.0.0" uuid: dependency: transitive description: @@ -685,4 +804,4 @@ packages: version: "3.1.0" sdks: dart: ">=2.13.0 <3.0.0" - flutter: ">=1.20.0" + flutter: ">=2.0.0" diff --git a/app_flowy/pubspec.yaml b/app_flowy/pubspec.yaml index 42b01d5452..d15a927cc1 100644 --- a/app_flowy/pubspec.yaml +++ b/app_flowy/pubspec.yaml @@ -33,6 +33,8 @@ dependencies: path: packages/flowy_sdk flowy_style: path: packages/flowy_style + flowy_editor: + path: packages/flowy_editor # third party packages time: '>=2.0.0' From ef11bbbb2b375862508b6d94ca28e803aafe05c6 Mon Sep 17 00:00:00 2001 From: Jaylen Bian Date: Fri, 9 Jul 2021 22:42:30 +0800 Subject: [PATCH 2/4] [editor] Refactor editor dir architecture based on official guidance --- app_flowy/macos/Podfile.lock | 12 ++ .../example/lib/widgets/editor_scaffold.dart | 1 - .../flowy_editor/lib/flowy_editor.dart | 13 +- .../{ => src}/model/document/attribute.dart | 0 .../{ => src}/model/document/document.dart | 0 .../lib/{ => src}/model/document/history.dart | 0 .../{ => src}/model/document/node/block.dart | 0 .../model/document/node/container.dart | 0 .../{ => src}/model/document/node/embed.dart | 0 .../{ => src}/model/document/node/leaf.dart | 0 .../{ => src}/model/document/node/line.dart | 0 .../{ => src}/model/document/node/node.dart | 0 .../lib/{ => src}/model/document/style.dart | 0 .../lib/{ => src}/model/heuristic/delete.dart | 0 .../lib/{ => src}/model/heuristic/format.dart | 0 .../lib/{ => src}/model/heuristic/insert.dart | 0 .../lib/{ => src}/model/heuristic/rule.dart | 0 .../lib/{ => src}/model/quill_delta.dart | 0 .../lib/{ => src}/rendering/box.dart | 0 .../lib/{ => src}/rendering/editor.dart | 115 ++++++------------ .../lib/{ => src}/rendering/proxy.dart | 35 ++---- .../lib/{ => src}/rendering/text_block.dart | 0 .../lib/{ => src}/rendering/text_line.dart | 0 .../lib/{ => src}/service/controller.dart | 0 .../lib/{ => src}/service/cursor.dart | 0 .../lib/{ => src}/service/keyboard.dart | 0 .../lib/{ => src}/service/style.dart | 0 .../lib/{ => src}/util/color.dart | 0 .../lib/{ => src}/util/delta_diff.dart | 0 .../lib/{ => src}/widget/builder.dart | 13 +- .../lib/{ => src}/widget/editor.dart | 2 +- .../lib/{ => src}/widget/flowy_toolbar.dart | 0 .../{ => src}/widget/image_viewer_screen.dart | 0 .../lib/{ => src}/widget/proxy.dart | 0 .../lib/{ => src}/widget/raw_editor.dart | 0 .../lib/{ => src}/widget/selection.dart | 0 .../lib/{ => src}/widget/text_block.dart | 0 .../lib/{ => src}/widget/text_line.dart | 0 .../lib/{ => src}/widget/toolbar.dart | 0 39 files changed, 71 insertions(+), 120 deletions(-) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/document/attribute.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/document/document.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/document/history.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/document/node/block.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/document/node/container.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/document/node/embed.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/document/node/leaf.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/document/node/line.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/document/node/node.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/document/style.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/heuristic/delete.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/heuristic/format.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/heuristic/insert.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/heuristic/rule.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/model/quill_delta.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/rendering/box.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/rendering/editor.dart (81%) rename app_flowy/packages/flowy_editor/lib/{ => src}/rendering/proxy.dart (83%) rename app_flowy/packages/flowy_editor/lib/{ => src}/rendering/text_block.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/rendering/text_line.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/service/controller.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/service/cursor.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/service/keyboard.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/service/style.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/util/color.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/util/delta_diff.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/widget/builder.dart (91%) rename app_flowy/packages/flowy_editor/lib/{ => src}/widget/editor.dart (99%) rename app_flowy/packages/flowy_editor/lib/{ => src}/widget/flowy_toolbar.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/widget/image_viewer_screen.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/widget/proxy.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/widget/raw_editor.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/widget/selection.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/widget/text_block.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/widget/text_line.dart (100%) rename app_flowy/packages/flowy_editor/lib/{ => src}/widget/toolbar.dart (100%) diff --git a/app_flowy/macos/Podfile.lock b/app_flowy/macos/Podfile.lock index 13623e8844..599cd8de01 100644 --- a/app_flowy/macos/Podfile.lock +++ b/app_flowy/macos/Podfile.lock @@ -1,32 +1,44 @@ PODS: + - flowy_editor (0.0.1): + - FlutterMacOS - flowy_sdk (0.0.1): - FlutterMacOS - FlutterMacOS (1.0.0) - path_provider_macos (0.0.1): - FlutterMacOS + - url_launcher_macos (0.0.1): + - FlutterMacOS - window_size (0.0.2): - FlutterMacOS DEPENDENCIES: + - flowy_editor (from `Flutter/ephemeral/.symlinks/plugins/flowy_editor/macos`) - flowy_sdk (from `Flutter/ephemeral/.symlinks/plugins/flowy_sdk/macos`) - FlutterMacOS (from `Flutter/ephemeral`) - path_provider_macos (from `Flutter/ephemeral/.symlinks/plugins/path_provider_macos/macos`) + - url_launcher_macos (from `Flutter/ephemeral/.symlinks/plugins/url_launcher_macos/macos`) - window_size (from `Flutter/ephemeral/.symlinks/plugins/window_size/macos`) EXTERNAL SOURCES: + flowy_editor: + :path: Flutter/ephemeral/.symlinks/plugins/flowy_editor/macos flowy_sdk: :path: Flutter/ephemeral/.symlinks/plugins/flowy_sdk/macos FlutterMacOS: :path: Flutter/ephemeral path_provider_macos: :path: Flutter/ephemeral/.symlinks/plugins/path_provider_macos/macos + url_launcher_macos: + :path: Flutter/ephemeral/.symlinks/plugins/url_launcher_macos/macos window_size: :path: Flutter/ephemeral/.symlinks/plugins/window_size/macos SPEC CHECKSUMS: + flowy_editor: 26060a984848e6afac1f6a4455511f4114119d8d flowy_sdk: c302ac0a22dea596db0df8073b9637b2bf2ff6fd FlutterMacOS: 57701585bf7de1b3fc2bb61f6378d73bbdea8424 path_provider_macos: a0a3fd666cb7cd0448e936fb4abad4052961002b + url_launcher_macos: 45af3d61de06997666568a7149c1be98b41c95d4 window_size: 339dafa0b27a95a62a843042038fa6c3c48de195 PODFILE CHECKSUM: 6eac6b3292e5142cfc23bdeb71848a40ec51c14c diff --git a/app_flowy/packages/flowy_editor/example/lib/widgets/editor_scaffold.dart b/app_flowy/packages/flowy_editor/example/lib/widgets/editor_scaffold.dart index 578444db99..a88aa88d4d 100644 --- a/app_flowy/packages/flowy_editor/example/lib/widgets/editor_scaffold.dart +++ b/app_flowy/packages/flowy_editor/example/lib/widgets/editor_scaffold.dart @@ -2,7 +2,6 @@ import 'dart:convert'; import 'dart:io'; import 'package:flowy_editor/flowy_editor.dart'; -import 'package:flowy_editor/service/controller.dart'; import 'package:flutter/material.dart'; import 'package:flutter/services.dart'; diff --git a/app_flowy/packages/flowy_editor/lib/flowy_editor.dart b/app_flowy/packages/flowy_editor/lib/flowy_editor.dart index 149aacb879..559d85181a 100644 --- a/app_flowy/packages/flowy_editor/lib/flowy_editor.dart +++ b/app_flowy/packages/flowy_editor/lib/flowy_editor.dart @@ -1,8 +1,9 @@ library flowy_editor; -export 'widget/editor.dart'; -export 'widget/builder.dart'; -export 'widget/toolbar.dart'; -export 'widget/flowy_toolbar.dart'; -export 'service/style.dart'; -export 'model/document/document.dart'; +export 'src/widget/editor.dart'; +export 'src/widget/builder.dart'; +export 'src/widget/toolbar.dart'; +export 'src/widget/flowy_toolbar.dart'; +export 'src/service/style.dart'; +export 'src/service/controller.dart'; +export 'src/model/document/document.dart'; diff --git a/app_flowy/packages/flowy_editor/lib/model/document/attribute.dart b/app_flowy/packages/flowy_editor/lib/src/model/document/attribute.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/document/attribute.dart rename to app_flowy/packages/flowy_editor/lib/src/model/document/attribute.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/document/document.dart b/app_flowy/packages/flowy_editor/lib/src/model/document/document.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/document/document.dart rename to app_flowy/packages/flowy_editor/lib/src/model/document/document.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/document/history.dart b/app_flowy/packages/flowy_editor/lib/src/model/document/history.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/document/history.dart rename to app_flowy/packages/flowy_editor/lib/src/model/document/history.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/document/node/block.dart b/app_flowy/packages/flowy_editor/lib/src/model/document/node/block.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/document/node/block.dart rename to app_flowy/packages/flowy_editor/lib/src/model/document/node/block.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/document/node/container.dart b/app_flowy/packages/flowy_editor/lib/src/model/document/node/container.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/document/node/container.dart rename to app_flowy/packages/flowy_editor/lib/src/model/document/node/container.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/document/node/embed.dart b/app_flowy/packages/flowy_editor/lib/src/model/document/node/embed.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/document/node/embed.dart rename to app_flowy/packages/flowy_editor/lib/src/model/document/node/embed.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/document/node/leaf.dart b/app_flowy/packages/flowy_editor/lib/src/model/document/node/leaf.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/document/node/leaf.dart rename to app_flowy/packages/flowy_editor/lib/src/model/document/node/leaf.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/document/node/line.dart b/app_flowy/packages/flowy_editor/lib/src/model/document/node/line.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/document/node/line.dart rename to app_flowy/packages/flowy_editor/lib/src/model/document/node/line.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/document/node/node.dart b/app_flowy/packages/flowy_editor/lib/src/model/document/node/node.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/document/node/node.dart rename to app_flowy/packages/flowy_editor/lib/src/model/document/node/node.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/document/style.dart b/app_flowy/packages/flowy_editor/lib/src/model/document/style.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/document/style.dart rename to app_flowy/packages/flowy_editor/lib/src/model/document/style.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/heuristic/delete.dart b/app_flowy/packages/flowy_editor/lib/src/model/heuristic/delete.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/heuristic/delete.dart rename to app_flowy/packages/flowy_editor/lib/src/model/heuristic/delete.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/heuristic/format.dart b/app_flowy/packages/flowy_editor/lib/src/model/heuristic/format.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/heuristic/format.dart rename to app_flowy/packages/flowy_editor/lib/src/model/heuristic/format.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/heuristic/insert.dart b/app_flowy/packages/flowy_editor/lib/src/model/heuristic/insert.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/heuristic/insert.dart rename to app_flowy/packages/flowy_editor/lib/src/model/heuristic/insert.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/heuristic/rule.dart b/app_flowy/packages/flowy_editor/lib/src/model/heuristic/rule.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/heuristic/rule.dart rename to app_flowy/packages/flowy_editor/lib/src/model/heuristic/rule.dart diff --git a/app_flowy/packages/flowy_editor/lib/model/quill_delta.dart b/app_flowy/packages/flowy_editor/lib/src/model/quill_delta.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/model/quill_delta.dart rename to app_flowy/packages/flowy_editor/lib/src/model/quill_delta.dart diff --git a/app_flowy/packages/flowy_editor/lib/rendering/box.dart b/app_flowy/packages/flowy_editor/lib/src/rendering/box.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/rendering/box.dart rename to app_flowy/packages/flowy_editor/lib/src/rendering/box.dart diff --git a/app_flowy/packages/flowy_editor/lib/rendering/editor.dart b/app_flowy/packages/flowy_editor/lib/src/rendering/editor.dart similarity index 81% rename from app_flowy/packages/flowy_editor/lib/rendering/editor.dart rename to app_flowy/packages/flowy_editor/lib/src/rendering/editor.dart index 72b8ab9d32..5cff211664 100644 --- a/app_flowy/packages/flowy_editor/lib/rendering/editor.dart +++ b/app_flowy/packages/flowy_editor/lib/src/rendering/editor.dart @@ -1,10 +1,10 @@ import 'dart:math' as math; -import 'package:flowy_editor/widget/selection.dart'; import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; import 'package:flutter/rendering.dart'; +import '../widget/selection.dart'; import '../model/document/node/container.dart' as node; import '../model/document/document.dart'; import 'box.dart'; @@ -25,8 +25,7 @@ abstract class RenderAbstractEditor { TextPosition getPositionForOffset(Offset offset); - List getEndpointsForSelection( - TextSelection textSelection); + List getEndpointsForSelection(TextSelection textSelection); void handleTapDown(TapDownDetails details); @@ -43,15 +42,12 @@ abstract class RenderAbstractEditor { /* ------------------------------ Container Box ----------------------------- */ -class EditableContainerParentData - extends ContainerBoxParentData {} +class EditableContainerParentData extends ContainerBoxParentData {} class RenderEditableContainerBox extends RenderBox with - ContainerRenderObjectMixin, - RenderBoxContainerDefaultsMixin { + ContainerRenderObjectMixin, + RenderBoxContainerDefaultsMixin { RenderEditableContainerBox( List? children, this.textDirection, @@ -165,9 +161,7 @@ class RenderEditableContainerBox extends RenderBox var mainAxisExtent = _resolvedPadding!.top; var child = firstChild; - final innerConstraints = - BoxConstraints.tightFor(width: constraints.maxWidth) - .deflate(_resolvedPadding!); + final innerConstraints = BoxConstraints.tightFor(width: constraints.maxWidth).deflate(_resolvedPadding!); while (child != null) { child.layout(innerConstraints, parentUsesSize: true); final childParentData = (child.parentData as EditableContainerParentData) @@ -208,11 +202,8 @@ class RenderEditableContainerBox extends RenderBox double computeMinIntrinsicWidth(double height) { _resolvePadding(); return _getIntrinsicCrossAxis((child) { - final childHeight = math.max( - 0, height - _resolvedPadding!.top + _resolvedPadding!.bottom); - return child.getMinIntrinsicWidth(childHeight) + - _resolvedPadding!.left + - _resolvedPadding!.right; + final childHeight = math.max(0, height - _resolvedPadding!.top + _resolvedPadding!.bottom); + return child.getMinIntrinsicWidth(childHeight) + _resolvedPadding!.left + _resolvedPadding!.right; }); } @@ -220,11 +211,8 @@ class RenderEditableContainerBox extends RenderBox double computeMaxIntrinsicWidth(double height) { _resolvePadding(); return _getIntrinsicCrossAxis((child) { - final childHeight = math.max( - 0, height - _resolvedPadding!.top + _resolvedPadding!.bottom); - return child.getMaxIntrinsicWidth(childHeight) + - _resolvedPadding!.left + - _resolvedPadding!.right; + final childHeight = math.max(0, height - _resolvedPadding!.top + _resolvedPadding!.bottom); + return child.getMaxIntrinsicWidth(childHeight) + _resolvedPadding!.left + _resolvedPadding!.right; }); } @@ -232,11 +220,8 @@ class RenderEditableContainerBox extends RenderBox double computeMinIntrinsicHeight(double width) { _resolvePadding(); return _getIntrinsicMainAxis((child) { - final childWidth = math.max( - 0, width - _resolvedPadding!.left + _resolvedPadding!.right); - return child.getMinIntrinsicHeight(childWidth) + - _resolvedPadding!.top + - _resolvedPadding!.bottom; + final childWidth = math.max(0, width - _resolvedPadding!.left + _resolvedPadding!.right); + return child.getMinIntrinsicHeight(childWidth) + _resolvedPadding!.top + _resolvedPadding!.bottom; }); } @@ -244,26 +229,21 @@ class RenderEditableContainerBox extends RenderBox double computeMaxIntrinsicHeight(double width) { _resolvePadding(); return _getIntrinsicMainAxis((child) { - final childWidth = math.max( - 0, width - _resolvedPadding!.left + _resolvedPadding!.right); - return child.getMaxIntrinsicHeight(childWidth) + - _resolvedPadding!.top + - _resolvedPadding!.bottom; + final childWidth = math.max(0, width - _resolvedPadding!.left + _resolvedPadding!.right); + return child.getMaxIntrinsicHeight(childWidth) + _resolvedPadding!.top + _resolvedPadding!.bottom; }); } @override double? computeDistanceToActualBaseline(TextBaseline baseline) { _resolvePadding(); - return defaultComputeDistanceToFirstActualBaseline(baseline)! + - _resolvedPadding!.top; + return defaultComputeDistanceToFirstActualBaseline(baseline)! + _resolvedPadding!.top; } } /* ------------------------------ Render Editor ----------------------------- */ -class RenderEditor extends RenderEditableContainerBox - implements RenderAbstractEditor { +class RenderEditor extends RenderEditableContainerBox implements RenderAbstractEditor { RenderEditor( List? children, TextDirection textDirection, @@ -287,8 +267,7 @@ class RenderEditor extends RenderEditableContainerBox TextSelectionChangeHandler onSelectionChanged; Document _document; TextSelection _selection; - final ValueNotifier _selectionStartInViewport = - ValueNotifier(true); + final ValueNotifier _selectionStartInViewport = ValueNotifier(true); final ValueNotifier _selectionEndInViewport = ValueNotifier(true); bool _hasFocus = false; LayerLink _startHandleLayerLink; @@ -297,8 +276,7 @@ class RenderEditor extends RenderEditableContainerBox Document get document => _document; - ValueListenable get selectionStartInViewport => - _selectionStartInViewport; + ValueListenable get selectionStartInViewport => _selectionStartInViewport; ValueListenable get selectionEndInViewport => _selectionEndInViewport; @@ -352,8 +330,7 @@ class RenderEditor extends RenderEditableContainerBox } @override - List getEndpointsForSelection( - TextSelection textSelection) { + List getEndpointsForSelection(TextSelection textSelection) { if (textSelection.isCollapsed) { final child = childAtPosition(textSelection.extent); final localPosition = TextPosition( @@ -363,9 +340,7 @@ class RenderEditor extends RenderEditableContainerBox final parentData = child.parentData as BoxParentData; return [ TextSelectionPoint( - Offset(0, child.preferredLineHeight(localPosition)) + - localOffset + - parentData.offset, + Offset(0, child.preferredLineHeight(localPosition)) + localOffset + parentData.offset, null, ) ]; @@ -382,8 +357,7 @@ class RenderEditor extends RenderEditableContainerBox assert(baseChild != null); final baseParentData = baseChild!.parentData as BoxParentData; - final baseSelection = - localSelection(baseChild.container, textSelection, true); + final baseSelection = localSelection(baseChild.container, textSelection, true); var basePoint = baseChild.getBaseEndpointForSelection(baseSelection); basePoint = TextSelectionPoint( basePoint.point + baseParentData.offset, @@ -401,10 +375,8 @@ class RenderEditor extends RenderEditableContainerBox assert(extentChild != null); final extentParentData = extentChild!.parentData as BoxParentData; - final extentSelection = - localSelection(extentChild.container, textSelection, true); - var extentPoint = - extentChild.getExtentEndpointForSelection(extentSelection); + final extentSelection = localSelection(extentChild.container, textSelection, true); + var extentPoint = extentChild.getExtentEndpointForSelection(extentSelection); extentPoint = TextSelectionPoint( extentPoint.point + extentParentData.offset, extentPoint.direction, @@ -499,8 +471,7 @@ class RenderEditor extends RenderEditableContainerBox affinity: position.affinity, ); final localWord = child.getWordBoundary(localPosition); - final word = TextRange( - start: localWord.start + nodeOffset, end: localWord.end + nodeOffset); + final word = TextRange(start: localWord.start + nodeOffset, end: localWord.end + nodeOffset); if (position.offset >= word.end) { return TextSelection.fromPosition(position); } @@ -523,24 +494,20 @@ class RenderEditor extends RenderEditableContainerBox end: localWord.end + nodeOffset, ); if (position.offset - word.start <= 1) { - _handleSelectionChange( - TextSelection.collapsed(offset: word.start), cause); + _handleSelectionChange(TextSelection.collapsed(offset: word.start), cause); } else { _handleSelectionChange( - TextSelection.collapsed( - offset: word.end, affinity: TextAffinity.upstream), + TextSelection.collapsed(offset: word.end, affinity: TextAffinity.upstream), cause, ); } } @override - void selectWordsInRange( - Offset from, Offset? to, SelectionChangedCause cause) { + void selectWordsInRange(Offset from, Offset? to, SelectionChangedCause cause) { final firstPosition = getPositionForOffset(from); final firstWord = selectWordAtPosition(firstPosition); - final lastWord = - to == null ? firstWord : selectWordAtPosition(getPositionForOffset(to)); + final lastWord = to == null ? firstWord : selectWordAtPosition(getPositionForOffset(to)); _handleSelectionChange( TextSelection( @@ -567,8 +534,7 @@ class RenderEditor extends RenderEditableContainerBox /// The offset is the distance from the top of the editor and is the minimum /// from the current scroll position until [selection] becomes visible. /// Returns null if [selection] is already visible. - double? getOffsetToRevealCursor( - double viewportHeight, double scrollOffset, double offsetInViewport) { + double? getOffsetToRevealCursor(double viewportHeight, double scrollOffset, double offsetInViewport) { final endpoints = getEndpointsForSelection(_selection); final endpoint = endpoints.first; final child = childAtPosition(_selection.extent); @@ -577,13 +543,8 @@ class RenderEditor extends RenderEditableContainerBox final lineHeight = child.preferredLineHeight( TextPosition(offset: _selection.extentOffset - child.container.offset), ); - final caretTop = endpoint.point.dy - - lineHeight - - kMargin + - offsetInViewport + - scrollBottomInset; - final caretBottom = - endpoint.point.dy + kMargin + offsetInViewport + scrollBottomInset; + final caretTop = endpoint.point.dy - lineHeight - kMargin + offsetInViewport + scrollBottomInset; + final caretBottom = endpoint.point.dy + kMargin + offsetInViewport + scrollBottomInset; double? dy; if (caretTop < scrollOffset) { dy = caretTop; @@ -598,21 +559,15 @@ class RenderEditor extends RenderEditableContainerBox // Util - void _handleSelectionChange( - TextSelection nextSelection, SelectionChangedCause cause) { - final focusingEmpty = nextSelection.baseOffset == 0 && - nextSelection.extentOffset == 0 && - !_hasFocus; - if (nextSelection == _selection && - cause != SelectionChangedCause.keyboard && - !focusingEmpty) { + void _handleSelectionChange(TextSelection nextSelection, SelectionChangedCause cause) { + final focusingEmpty = nextSelection.baseOffset == 0 && nextSelection.extentOffset == 0 && !_hasFocus; + if (nextSelection == _selection && cause != SelectionChangedCause.keyboard && !focusingEmpty) { return; } onSelectionChanged(nextSelection, cause); } - void _paintHandleLayers( - PaintingContext context, List endpoints) { + void _paintHandleLayers(PaintingContext context, List endpoints) { var startPoint = endpoints[0].point; startPoint = Offset( startPoint.dx.clamp(0.0, size.width), diff --git a/app_flowy/packages/flowy_editor/lib/rendering/proxy.dart b/app_flowy/packages/flowy_editor/lib/src/rendering/proxy.dart similarity index 83% rename from app_flowy/packages/flowy_editor/lib/rendering/proxy.dart rename to app_flowy/packages/flowy_editor/lib/src/rendering/proxy.dart index f64965b58a..d5a579309b 100644 --- a/app_flowy/packages/flowy_editor/lib/rendering/proxy.dart +++ b/app_flowy/packages/flowy_editor/lib/src/rendering/proxy.dart @@ -1,6 +1,7 @@ -import 'package:flowy_editor/rendering/box.dart'; import 'package:flutter/rendering.dart'; +import '../rendering/box.dart'; + /* -------------------------------- Baseline -------------------------------- */ class RenderBaselineProxy extends RenderProxyBox { @@ -11,8 +12,7 @@ class RenderBaselineProxy extends RenderProxyBox { ) : _prototypePainter = TextPainter( text: TextSpan(text: ' ', style: textStyle), textDirection: TextDirection.ltr, - strutStyle: - StrutStyle.fromTextStyle(textStyle, forceStrutHeight: true), + strutStyle: StrutStyle.fromTextStyle(textStyle, forceStrutHeight: true), ), super(child); @@ -55,16 +55,12 @@ class RenderEmbedProxy extends RenderProxyBox implements RenderContentProxyBox { @override List getBoxesForSelection(TextSelection textSelection) { if (!textSelection.isCollapsed) { - return [ - TextBox.fromLTRBD(0, 0, size.width, size.height, TextDirection.ltr) - ]; + return [TextBox.fromLTRBD(0, 0, size.width, size.height, TextDirection.ltr)]; } final left = textSelection.extentOffset == 0 ? 0.0 : size.width; final right = textSelection.extentOffset == 0 ? 0.0 : size.width; - return [ - TextBox.fromLTRBD(left, 0, right, size.height, TextDirection.ltr) - ]; + return [TextBox.fromLTRBD(left, 0, right, size.height, TextDirection.ltr)]; } @override @@ -82,8 +78,7 @@ class RenderEmbedProxy extends RenderProxyBox implements RenderContentProxyBox { } @override - TextRange getWordBoundary(TextPosition position) => - const TextRange(start: 0, end: 1); + TextRange getWordBoundary(TextPosition position) => const TextRange(start: 0, end: 1); @override double getPreferredLineHeight() => size.height; @@ -91,8 +86,7 @@ class RenderEmbedProxy extends RenderProxyBox implements RenderContentProxyBox { /* ---------------------------- Paragraph / Text ---------------------------- */ -class RenderParagraphProxy extends RenderProxyBox - implements RenderContentProxyBox { +class RenderParagraphProxy extends RenderProxyBox implements RenderContentProxyBox { RenderParagraphProxy( RenderParagraph? child, TextStyle textStyle, @@ -194,25 +188,20 @@ class RenderParagraphProxy extends RenderProxyBox child!.getOffsetForCaret(position, caretPrototype!); @override - TextPosition getPositionForOffset(Offset offset) => - child!.getPositionForOffset(offset); + TextPosition getPositionForOffset(Offset offset) => child!.getPositionForOffset(offset); @override - double? getFullHeightForCaret(TextPosition position) => - child!.getFullHeightForCaret(position); + double? getFullHeightForCaret(TextPosition position) => child!.getFullHeightForCaret(position); @override - TextRange getWordBoundary(TextPosition position) => - child!.getWordBoundary(position); + TextRange getWordBoundary(TextPosition position) => child!.getWordBoundary(position); @override - List getBoxesForSelection(TextSelection selection) => - child!.getBoxesForSelection(selection); + List getBoxesForSelection(TextSelection selection) => child!.getBoxesForSelection(selection); @override void performLayout() { super.performLayout(); - _prototypePainter.layout( - minWidth: constraints.minWidth, maxWidth: constraints.maxWidth); + _prototypePainter.layout(minWidth: constraints.minWidth, maxWidth: constraints.maxWidth); } } diff --git a/app_flowy/packages/flowy_editor/lib/rendering/text_block.dart b/app_flowy/packages/flowy_editor/lib/src/rendering/text_block.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/rendering/text_block.dart rename to app_flowy/packages/flowy_editor/lib/src/rendering/text_block.dart diff --git a/app_flowy/packages/flowy_editor/lib/rendering/text_line.dart b/app_flowy/packages/flowy_editor/lib/src/rendering/text_line.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/rendering/text_line.dart rename to app_flowy/packages/flowy_editor/lib/src/rendering/text_line.dart diff --git a/app_flowy/packages/flowy_editor/lib/service/controller.dart b/app_flowy/packages/flowy_editor/lib/src/service/controller.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/service/controller.dart rename to app_flowy/packages/flowy_editor/lib/src/service/controller.dart diff --git a/app_flowy/packages/flowy_editor/lib/service/cursor.dart b/app_flowy/packages/flowy_editor/lib/src/service/cursor.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/service/cursor.dart rename to app_flowy/packages/flowy_editor/lib/src/service/cursor.dart diff --git a/app_flowy/packages/flowy_editor/lib/service/keyboard.dart b/app_flowy/packages/flowy_editor/lib/src/service/keyboard.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/service/keyboard.dart rename to app_flowy/packages/flowy_editor/lib/src/service/keyboard.dart diff --git a/app_flowy/packages/flowy_editor/lib/service/style.dart b/app_flowy/packages/flowy_editor/lib/src/service/style.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/service/style.dart rename to app_flowy/packages/flowy_editor/lib/src/service/style.dart diff --git a/app_flowy/packages/flowy_editor/lib/util/color.dart b/app_flowy/packages/flowy_editor/lib/src/util/color.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/util/color.dart rename to app_flowy/packages/flowy_editor/lib/src/util/color.dart diff --git a/app_flowy/packages/flowy_editor/lib/util/delta_diff.dart b/app_flowy/packages/flowy_editor/lib/src/util/delta_diff.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/util/delta_diff.dart rename to app_flowy/packages/flowy_editor/lib/src/util/delta_diff.dart diff --git a/app_flowy/packages/flowy_editor/lib/widget/builder.dart b/app_flowy/packages/flowy_editor/lib/src/widget/builder.dart similarity index 91% rename from app_flowy/packages/flowy_editor/lib/widget/builder.dart rename to app_flowy/packages/flowy_editor/lib/src/widget/builder.dart index d035604dcc..bba40b8847 100644 --- a/app_flowy/packages/flowy_editor/lib/widget/builder.dart +++ b/app_flowy/packages/flowy_editor/lib/src/widget/builder.dart @@ -63,9 +63,7 @@ class EditorTextSelectionGestureDetectorBuilder { getRenderEditor()!.handleTapDown(details); final kind = details.kind; - shouldShowSelectionToolbar = kind == null || - kind == PointerDeviceKind.touch || - kind == PointerDeviceKind.stylus; + shouldShowSelectionToolbar = kind == null || kind == PointerDeviceKind.touch || kind == PointerDeviceKind.stylus; } void onTapUp(TapUpDetails details) { @@ -119,8 +117,7 @@ class EditorTextSelectionGestureDetectorBuilder { ); } - void onDragSelectionUpdate( - DragStartDetails startDetails, DragUpdateDetails updateDetails) { + void onDragSelectionUpdate(DragStartDetails startDetails, DragUpdateDetails updateDetails) { getRenderEditor()!.selectPositionAt( startDetails.globalPosition, updateDetails.globalPosition, @@ -135,8 +132,7 @@ class EditorTextSelectionGestureDetectorBuilder { onTapUp: onTapUp, onTapDown: onTapDown, onTapCancel: onTapCancel, - onForcePressStart: - delegate.getForcePressEnabled() ? onForcePressStart : null, + onForcePressStart: delegate.getForcePressEnabled() ? onForcePressStart : null, onForcePressEnd: delegate.getForcePressEnabled() ? onForcePressEnd : null, onLongPressStart: onLongPressStart, onLongPressMoveUpdate: onLongPressMoveUpdate, @@ -163,8 +159,7 @@ class EmbedBuilder { case kImageTypeKey: return _generateImageEmbed(context, node); default: - throw UnimplementedError( - 'Embeddable type "${node.value.type}" is not supported by default embed ' + throw UnimplementedError('Embeddable type "${node.value.type}" is not supported by default embed ' 'builder of QuillEditor. You must pass your own builder function to ' 'embedBuilder property of QuillEditor or QuillField widgets.'); } diff --git a/app_flowy/packages/flowy_editor/lib/widget/editor.dart b/app_flowy/packages/flowy_editor/lib/src/widget/editor.dart similarity index 99% rename from app_flowy/packages/flowy_editor/lib/widget/editor.dart rename to app_flowy/packages/flowy_editor/lib/src/widget/editor.dart index 9fcad36207..43ca613f70 100644 --- a/app_flowy/packages/flowy_editor/lib/widget/editor.dart +++ b/app_flowy/packages/flowy_editor/lib/src/widget/editor.dart @@ -2,7 +2,6 @@ import 'dart:io' as io; import 'dart:convert'; import 'dart:ui'; -import 'package:flowy_editor/widget/image_viewer_screen.dart'; import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; import 'package:url_launcher/url_launcher.dart'; @@ -11,6 +10,7 @@ import 'package:string_validator/string_validator.dart'; import '../widget/raw_editor.dart'; import '../widget/builder.dart'; import '../widget/proxy.dart'; +import '../widget/image_viewer_screen.dart'; import '../model/document/attribute.dart'; import '../model/document/document.dart'; import '../model/document/node/embed.dart'; diff --git a/app_flowy/packages/flowy_editor/lib/widget/flowy_toolbar.dart b/app_flowy/packages/flowy_editor/lib/src/widget/flowy_toolbar.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/widget/flowy_toolbar.dart rename to app_flowy/packages/flowy_editor/lib/src/widget/flowy_toolbar.dart diff --git a/app_flowy/packages/flowy_editor/lib/widget/image_viewer_screen.dart b/app_flowy/packages/flowy_editor/lib/src/widget/image_viewer_screen.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/widget/image_viewer_screen.dart rename to app_flowy/packages/flowy_editor/lib/src/widget/image_viewer_screen.dart diff --git a/app_flowy/packages/flowy_editor/lib/widget/proxy.dart b/app_flowy/packages/flowy_editor/lib/src/widget/proxy.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/widget/proxy.dart rename to app_flowy/packages/flowy_editor/lib/src/widget/proxy.dart diff --git a/app_flowy/packages/flowy_editor/lib/widget/raw_editor.dart b/app_flowy/packages/flowy_editor/lib/src/widget/raw_editor.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/widget/raw_editor.dart rename to app_flowy/packages/flowy_editor/lib/src/widget/raw_editor.dart diff --git a/app_flowy/packages/flowy_editor/lib/widget/selection.dart b/app_flowy/packages/flowy_editor/lib/src/widget/selection.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/widget/selection.dart rename to app_flowy/packages/flowy_editor/lib/src/widget/selection.dart diff --git a/app_flowy/packages/flowy_editor/lib/widget/text_block.dart b/app_flowy/packages/flowy_editor/lib/src/widget/text_block.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/widget/text_block.dart rename to app_flowy/packages/flowy_editor/lib/src/widget/text_block.dart diff --git a/app_flowy/packages/flowy_editor/lib/widget/text_line.dart b/app_flowy/packages/flowy_editor/lib/src/widget/text_line.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/widget/text_line.dart rename to app_flowy/packages/flowy_editor/lib/src/widget/text_line.dart diff --git a/app_flowy/packages/flowy_editor/lib/widget/toolbar.dart b/app_flowy/packages/flowy_editor/lib/src/widget/toolbar.dart similarity index 100% rename from app_flowy/packages/flowy_editor/lib/widget/toolbar.dart rename to app_flowy/packages/flowy_editor/lib/src/widget/toolbar.dart From f1c23ca91ae2e5f93546bcf919c69eb28f92f68b Mon Sep 17 00:00:00 2001 From: Jaylen Bian Date: Fri, 9 Jul 2021 22:43:04 +0800 Subject: [PATCH 3/4] [editor] Add embed builder handlers protocol --- .../example/assets/block_document.fdoc | 8 ++ .../flowy_editor/example/ios/Podfile.lock | 40 +++++++ .../flowy_editor/lib/src/widget/builder.dart | 39 ------- .../flowy_editor/lib/src/widget/embed.dart | 106 ++++++++++++++++++ 4 files changed, 154 insertions(+), 39 deletions(-) create mode 100644 app_flowy/packages/flowy_editor/example/ios/Podfile.lock create mode 100644 app_flowy/packages/flowy_editor/lib/src/widget/embed.dart diff --git a/app_flowy/packages/flowy_editor/example/assets/block_document.fdoc b/app_flowy/packages/flowy_editor/example/assets/block_document.fdoc index 04dc2441e8..a8ab042949 100644 --- a/app_flowy/packages/flowy_editor/example/assets/block_document.fdoc +++ b/app_flowy/packages/flowy_editor/example/assets/block_document.fdoc @@ -8,6 +8,14 @@ }, "insert":"\n" }, + { + "insert": { + "flutter_logo": "" + }, + "attributes":{ + "size": 50.0 + } + }, { "insert":"\n" } diff --git a/app_flowy/packages/flowy_editor/example/ios/Podfile.lock b/app_flowy/packages/flowy_editor/example/ios/Podfile.lock new file mode 100644 index 0000000000..cfcdf38dfe --- /dev/null +++ b/app_flowy/packages/flowy_editor/example/ios/Podfile.lock @@ -0,0 +1,40 @@ +PODS: + - flowy_editor (0.0.1): + - Flutter + - Flutter (1.0.0) + - flutter_keyboard_visibility (0.0.1): + - Flutter + - path_provider (0.0.1): + - Flutter + - url_launcher (0.0.1): + - Flutter + +DEPENDENCIES: + - flowy_editor (from `.symlinks/plugins/flowy_editor/ios`) + - Flutter (from `Flutter`) + - flutter_keyboard_visibility (from `.symlinks/plugins/flutter_keyboard_visibility/ios`) + - path_provider (from `.symlinks/plugins/path_provider/ios`) + - url_launcher (from `.symlinks/plugins/url_launcher/ios`) + +EXTERNAL SOURCES: + flowy_editor: + :path: ".symlinks/plugins/flowy_editor/ios" + Flutter: + :path: Flutter + flutter_keyboard_visibility: + :path: ".symlinks/plugins/flutter_keyboard_visibility/ios" + path_provider: + :path: ".symlinks/plugins/path_provider/ios" + url_launcher: + :path: ".symlinks/plugins/url_launcher/ios" + +SPEC CHECKSUMS: + flowy_editor: bf8d58894ddb03453bd4d8521c57267ad638b837 + Flutter: 434fef37c0980e73bb6479ef766c45957d4b510c + flutter_keyboard_visibility: 0339d06371254c3eb25eeb90ba8d17dca8f9c069 + path_provider: abfe2b5c733d04e238b0d8691db0cfd63a27a93c + url_launcher: 6fef411d543ceb26efce54b05a0a40bfd74cbbef + +PODFILE CHECKSUM: aafe91acc616949ddb318b77800a7f51bffa2a4c + +COCOAPODS: 1.9.3 diff --git a/app_flowy/packages/flowy_editor/lib/src/widget/builder.dart b/app_flowy/packages/flowy_editor/lib/src/widget/builder.dart index bba40b8847..58a6fa009b 100644 --- a/app_flowy/packages/flowy_editor/lib/src/widget/builder.dart +++ b/app_flowy/packages/flowy_editor/lib/src/widget/builder.dart @@ -146,42 +146,3 @@ class EditorTextSelectionGestureDetectorBuilder { ); } } - -/* ---------------------------------- Embed --------------------------------- */ - -class EmbedBuilder { - static const kImageTypeKey = 'image'; - static const kVideoTypeKey = 'video'; - - static Widget defaultBuilder(BuildContext context, Embed node) { - assert(!kIsWeb, 'Please provide EmbedBuilder for Web'); - switch (node.value.type) { - case kImageTypeKey: - return _generateImageEmbed(context, node); - default: - throw UnimplementedError('Embeddable type "${node.value.type}" is not supported by default embed ' - 'builder of QuillEditor. You must pass your own builder function to ' - 'embedBuilder property of QuillEditor or QuillField widgets.'); - } - } - - // Generator - - static Widget _generateImageEmbed(BuildContext context, Embed node) { - final imageUrl = standardizeImageUrl(node.value.data); - return imageUrl.startsWith('http') - ? Image.network(imageUrl) - : isBase64(imageUrl) - ? Image.memory(base64.decode(imageUrl)) - : Image.file(io.File(imageUrl)); - } - - // Helper - - static String standardizeImageUrl(String url) { - if (url.contains('base64')) { - return url.split(',')[1]; - } - return url; - } -} diff --git a/app_flowy/packages/flowy_editor/lib/src/widget/embed.dart b/app_flowy/packages/flowy_editor/lib/src/widget/embed.dart new file mode 100644 index 0000000000..3448d473f2 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/src/widget/embed.dart @@ -0,0 +1,106 @@ +import 'dart:convert'; +import 'dart:io' as io; + +import 'package:flutter/foundation.dart'; +import 'package:flutter/material.dart'; +import 'package:string_validator/string_validator.dart'; + +import '../model/document/node/leaf.dart' show Embed; + +abstract class EmbedWidgetBuilder { + bool canHandle(String type); + + Widget? buildeWidget(BuildContext context, Embed node); +} + +/* ---------------------------------- Embed --------------------------------- */ + +class EmbedBuilder { + static const kImageTypeKey = 'image'; + static const kFlutterLogoTypeKey = 'flutter_logo'; + + static const builtInTypes = [kImageTypeKey, kFlutterLogoTypeKey]; + + static Widget defaultBuilder(BuildContext context, Embed node) { + assert(!kIsWeb, 'Please provide EmbedBuilder for Web'); + switch (node.value.type) { + case kImageTypeKey: + return _generateImageEmbed(context, node); + case kFlutterLogoTypeKey: + return _generateFlutterLogoEmbed(context, node); + default: + return Align( + alignment: Alignment.center, + child: _UnsupportedHintBlock(node), + ); + } + } + + // Generator + + static Widget _generateImageEmbed(BuildContext context, Embed node) { + final imageUrl = standardizeImageUrl(node.value.data); + return imageUrl.startsWith('http') + ? Image.network(imageUrl) + : isBase64(imageUrl) + ? Image.memory(base64.decode(imageUrl)) + : Image.file(io.File(imageUrl)); + } + + static Widget _generateFlutterLogoEmbed(BuildContext context, Embed node) { + final size = node.style.attributes['size']; + var logoSize = size != null ? size.value as double? ?? 100.0 : 100.0; + return Align( + alignment: Alignment.center, + child: Container( + width: logoSize, + height: logoSize, + color: Colors.red, + child: GestureDetector( + onTap: () { + print('Flutter logo tapped'); + }, + child: FlutterLogo(size: logoSize), + ), + ), + ); + } + + // Helper + + static String standardizeImageUrl(String url) { + if (url.contains('base64')) { + return url.split(',')[1]; + } + return url; + } +} + +/* ---------------------------- Unsupported Hint ---------------------------- */ + +class _UnsupportedHintBlock extends StatelessWidget { + final Embed node; + final double height; + + const _UnsupportedHintBlock( + this.node, { + Key? key, + this.height = 80.0, + }) : super(key: key); + + @override + Widget build(BuildContext context) { + return Container( + height: height, + child: Column( + children: [ + Icon( + Icons.warning, + color: Colors.red, + ), + Text('Unsupported block type "${node.value.type}"'), + ], + ), + ); + } +} From a728e164693cc6d2e7ab3f5915a891e4102734fc Mon Sep 17 00:00:00 2001 From: Jaylen Bian Date: Fri, 9 Jul 2021 23:43:18 +0800 Subject: [PATCH 4/4] [editor] Impl image and flutter logo test embed builders --- .../example/assets/block_document.fdoc | 13 +++- .../flowy_editor/lib/src/widget/builder.dart | 6 -- .../flowy_editor/lib/src/widget/editor.dart | 37 ++------- .../flowy_editor/lib/src/widget/embed.dart | 78 +++++-------------- .../widget/embed_builder/image_builder.dart | 52 +++++++++++++ .../widget/embed_builder/logo_builder.dart | 50 ++++++++++++ .../flowy_editor/lib/src/widget/proxy.dart | 9 +-- 7 files changed, 142 insertions(+), 103 deletions(-) create mode 100644 app_flowy/packages/flowy_editor/lib/src/widget/embed_builder/image_builder.dart create mode 100644 app_flowy/packages/flowy_editor/lib/src/widget/embed_builder/logo_builder.dart diff --git a/app_flowy/packages/flowy_editor/example/assets/block_document.fdoc b/app_flowy/packages/flowy_editor/example/assets/block_document.fdoc index a8ab042949..1f0ad033ad 100644 --- a/app_flowy/packages/flowy_editor/example/assets/block_document.fdoc +++ b/app_flowy/packages/flowy_editor/example/assets/block_document.fdoc @@ -13,7 +13,18 @@ "flutter_logo": "" }, "attributes":{ - "size": 50.0 + "size": 200.0 + } + }, + { + "insert":"\n" + }, + { + "insert": { + "test_block_type": "test_data" + }, + "attributes":{ + } }, { diff --git a/app_flowy/packages/flowy_editor/lib/src/widget/builder.dart b/app_flowy/packages/flowy_editor/lib/src/widget/builder.dart index 58a6fa009b..0b9e3ec679 100644 --- a/app_flowy/packages/flowy_editor/lib/src/widget/builder.dart +++ b/app_flowy/packages/flowy_editor/lib/src/widget/builder.dart @@ -1,12 +1,6 @@ -import 'dart:convert'; -import 'dart:io' as io; - -import 'package:flutter/foundation.dart'; import 'package:flutter/gestures.dart'; import 'package:flutter/material.dart'; -import 'package:string_validator/string_validator.dart'; -import '../model/document/node/leaf.dart'; import '../widget/raw_editor.dart'; import '../widget/selection.dart'; import '../rendering/editor.dart'; diff --git a/app_flowy/packages/flowy_editor/lib/src/widget/editor.dart b/app_flowy/packages/flowy_editor/lib/src/widget/editor.dart index 43ca613f70..bec98d78f4 100644 --- a/app_flowy/packages/flowy_editor/lib/src/widget/editor.dart +++ b/app_flowy/packages/flowy_editor/lib/src/widget/editor.dart @@ -1,22 +1,18 @@ -import 'dart:io' as io; -import 'dart:convert'; import 'dart:ui'; import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; import 'package:url_launcher/url_launcher.dart'; -import 'package:string_validator/string_validator.dart'; import '../widget/raw_editor.dart'; import '../widget/builder.dart'; +import '../widget/embed.dart'; import '../widget/proxy.dart'; -import '../widget/image_viewer_screen.dart'; import '../model/document/attribute.dart'; import '../model/document/document.dart'; -import '../model/document/node/embed.dart'; import '../model/document/node/line.dart'; import '../model/document/node/container.dart' as container_node; -import '../model/document/node/leaf.dart' as leaf; +import '../model/document/node/leaf.dart' show Leaf; import '../service/controller.dart'; import '../service/cursor.dart'; import '../service/style.dart'; @@ -61,13 +57,13 @@ class FlowyEditor extends StatefulWidget { this.textCapitalization = TextCapitalization.sentences, this.keyboardAppearance = Brightness.light, this.scrollPhysics, - this.embedBuilder = EmbedBuilder.defaultBuilder, this.onLaunchUrl, this.onTapDown, this.onTapUp, this.onLongPressStart, this.onLongPressMoveUpdate, this.onLongPressEnd, + this.embedProvider = EmbedBaseProvider.buildEmbedWidget, }); factory FlowyEditor.basic({ @@ -105,7 +101,7 @@ class FlowyEditor extends StatefulWidget { final TextCapitalization textCapitalization; final Brightness keyboardAppearance; final ScrollPhysics? scrollPhysics; - final EmbedBuilderFuncion embedBuilder; + final EmbedBuilderFuncion embedProvider; // Callback @@ -222,7 +218,7 @@ class _FlowyEditorState extends State implements EditorTextSelectio widget.keyboardAppearance, widget.enableInteractiveSelection, widget.scrollPhysics, - widget.embedBuilder, + widget.embedProvider, ), ); } @@ -429,7 +425,7 @@ class _FlowyEditorSelectionGestureDetectorBuilder extends EditorTextSelectionGes } // Link - final segment = segmentResult.node as leaf.Leaf; + final segment = segmentResult.node as Leaf; if (segment.style.containsKey(Attribute.link.key)) { var launchUrl = getEditor()!.widget.onLaunchUrl; launchUrl ??= _launchUrl; @@ -444,27 +440,6 @@ class _FlowyEditorSelectionGestureDetectorBuilder extends EditorTextSelectionGes return false; } - // Image - if (getEditor()!.widget.readOnly && segment.value is BlockEmbed) { - final blockEmbed = segment.value as BlockEmbed; - if (blockEmbed.type == 'image') { - final imageUrl = EmbedBuilder.standardizeImageUrl(blockEmbed.data); - Navigator.push( - getEditor()!.context, - MaterialPageRoute(builder: (context) { - return ImageTapWrapper( - imageProvider: imageUrl.startsWith('http') - ? NetworkImage(imageUrl) - : isBase64(imageUrl) - ? Image.memory(base64.decode(imageUrl)) as ImageProvider? - : FileImage(io.File(imageUrl)), - ); - }), - ); - } - return false; - } - // Fallback if (_flipListCheckbox(position, line, segmentResult)) { return true; diff --git a/app_flowy/packages/flowy_editor/lib/src/widget/embed.dart b/app_flowy/packages/flowy_editor/lib/src/widget/embed.dart index 3448d473f2..c773ada2ea 100644 --- a/app_flowy/packages/flowy_editor/lib/src/widget/embed.dart +++ b/app_flowy/packages/flowy_editor/lib/src/widget/embed.dart @@ -1,78 +1,38 @@ -import 'dart:convert'; -import 'dart:io' as io; - +import 'package:flowy_editor/src/widget/embed_builder/logo_builder.dart'; import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; -import 'package:string_validator/string_validator.dart'; +import '../widget/embed_builder/image_builder.dart'; import '../model/document/node/leaf.dart' show Embed; abstract class EmbedWidgetBuilder { + const EmbedWidgetBuilder(); + bool canHandle(String type); Widget? buildeWidget(BuildContext context, Embed node); } /* ---------------------------------- Embed --------------------------------- */ - -class EmbedBuilder { - static const kImageTypeKey = 'image'; +class EmbedBaseProvider { static const kFlutterLogoTypeKey = 'flutter_logo'; - static const builtInTypes = [kImageTypeKey, kFlutterLogoTypeKey]; + static const builtInProviders = [ + ImageEmbedBuilder(), + LogoEmbedBuilder(), + ]; - static Widget defaultBuilder(BuildContext context, Embed node) { - assert(!kIsWeb, 'Please provide EmbedBuilder for Web'); - switch (node.value.type) { - case kImageTypeKey: - return _generateImageEmbed(context, node); - case kFlutterLogoTypeKey: - return _generateFlutterLogoEmbed(context, node); - default: - return Align( - alignment: Alignment.center, - child: _UnsupportedHintBlock(node), - ); + static Widget buildEmbedWidget(BuildContext context, Embed node) { + Widget? result; + for (final builder in builtInProviders) { + if (builder.canHandle(node.value.type)) { + result = builder.buildeWidget(context, node); + if (result != null) { + break; + } + } } - } - - // Generator - - static Widget _generateImageEmbed(BuildContext context, Embed node) { - final imageUrl = standardizeImageUrl(node.value.data); - return imageUrl.startsWith('http') - ? Image.network(imageUrl) - : isBase64(imageUrl) - ? Image.memory(base64.decode(imageUrl)) - : Image.file(io.File(imageUrl)); - } - - static Widget _generateFlutterLogoEmbed(BuildContext context, Embed node) { - final size = node.style.attributes['size']; - var logoSize = size != null ? size.value as double? ?? 100.0 : 100.0; - return Align( - alignment: Alignment.center, - child: Container( - width: logoSize, - height: logoSize, - color: Colors.red, - child: GestureDetector( - onTap: () { - print('Flutter logo tapped'); - }, - child: FlutterLogo(size: logoSize), - ), - ), - ); - } - - // Helper - - static String standardizeImageUrl(String url) { - if (url.contains('base64')) { - return url.split(',')[1]; - } - return url; + return result ?? Align(alignment: Alignment.center, child: _UnsupportedHintBlock(node)); } } diff --git a/app_flowy/packages/flowy_editor/lib/src/widget/embed_builder/image_builder.dart b/app_flowy/packages/flowy_editor/lib/src/widget/embed_builder/image_builder.dart new file mode 100644 index 0000000000..2db62c3571 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/src/widget/embed_builder/image_builder.dart @@ -0,0 +1,52 @@ +import 'dart:convert'; +import 'dart:io' as io; + +import 'package:flutter/src/widgets/framework.dart'; +import 'package:flutter/material.dart'; +import 'package:string_validator/string_validator.dart'; + +import '../../model/document/node/leaf.dart' show Embed; +import '../embed.dart'; + +/* --------------------------------- Sample --------------------------------- */ + +/// +/// { +/// "insert": { +/// "image": "https://test.com/sample.png" +/// }, +/// "attributes" : { +/// "width": "100.0" +/// } +/// } +/// + +/* --------------------------------- Builder -------------------------------- */ + +class ImageEmbedBuilder extends EmbedWidgetBuilder { + const ImageEmbedBuilder() : super(); + + static const kImageTypeKey = 'image'; + + @override + bool canHandle(String type) { + return type == kImageTypeKey; + } + + @override + Widget? buildeWidget(BuildContext context, Embed node) { + final imageUrl = _standardizeImageUrl(node.value.data); + return imageUrl.startsWith('http') + ? Image.network(imageUrl) + : isBase64(imageUrl) + ? Image.memory(base64.decode(imageUrl)) + : Image.file(io.File(imageUrl)); + } + + String _standardizeImageUrl(String url) { + if (url.contains('base64')) { + return url.split(',')[1]; + } + return url; + } +} diff --git a/app_flowy/packages/flowy_editor/lib/src/widget/embed_builder/logo_builder.dart b/app_flowy/packages/flowy_editor/lib/src/widget/embed_builder/logo_builder.dart new file mode 100644 index 0000000000..4df82ad4e8 --- /dev/null +++ b/app_flowy/packages/flowy_editor/lib/src/widget/embed_builder/logo_builder.dart @@ -0,0 +1,50 @@ +import 'package:flutter/material.dart'; +import 'package:flutter/src/widgets/framework.dart'; + +import '../../model/document/node/leaf.dart'; +import '../../widget/embed.dart'; + +/* --------------------------------- Sample --------------------------------- */ + +/// +/// { +/// "insert": { +/// "flutter_logo": "" +/// }, +/// "attributes" : { +/// "size": 100.0 +/// } +/// } +/// + +/* --------------------------------- Builder -------------------------------- */ + +class LogoEmbedBuilder extends EmbedWidgetBuilder { + const LogoEmbedBuilder() : super(); + + static const kImageTypeKey = 'flutter_logo'; + + @override + bool canHandle(String type) { + return type == kImageTypeKey; + } + + @override + Widget? buildeWidget(BuildContext context, Embed node) { + final size = node.style.attributes['size']; + var logoSize = size != null ? size.value as double? ?? 100.0 : 100.0; + return Align( + alignment: Alignment.center, + child: Container( + width: logoSize, + height: logoSize, + child: GestureDetector( + onTap: () { + print('Flutter logo tapped'); + }, + child: FlutterLogo(size: logoSize), + ), + ), + ); + } +} diff --git a/app_flowy/packages/flowy_editor/lib/src/widget/proxy.dart b/app_flowy/packages/flowy_editor/lib/src/widget/proxy.dart index 736eefa2b3..eb72b20e48 100644 --- a/app_flowy/packages/flowy_editor/lib/src/widget/proxy.dart +++ b/app_flowy/packages/flowy_editor/lib/src/widget/proxy.dart @@ -22,8 +22,7 @@ class BaselineProxy extends SingleChildRenderObjectWidget { } @override - void updateRenderObject( - BuildContext context, covariant RenderBaselineProxy renderObject) { + void updateRenderObject(BuildContext context, covariant RenderBaselineProxy renderObject) { renderObject ..textStyle = textStyle! ..padding = padding!; @@ -38,8 +37,7 @@ class EmbedProxy extends SingleChildRenderObjectWidget { const EmbedProxy(Widget child) : super(child: child); @override - RenderEmbedProxy createRenderObject(BuildContext context) => - RenderEmbedProxy(null); + RenderEmbedProxy createRenderObject(BuildContext context) => RenderEmbedProxy(null); } /* ---------------------------------- Text ---------------------------------- */ @@ -82,8 +80,7 @@ class RichTextProxy extends SingleChildRenderObjectWidget { } @override - void updateRenderObject( - BuildContext context, covariant RenderParagraphProxy renderObject) { + void updateRenderObject(BuildContext context, covariant RenderParagraphProxy renderObject) { renderObject ..textStyle = textStyle ..textAlign = textAlign