mirror of
https://github.com/AppFlowy-IO/AppFlowy.git
synced 2024-08-30 18:12:39 +00:00
chore: config board ui
This commit is contained in:
appflowy
parent
516e894c6a
commit
a4b4b20cfc
37
frontend/app_flowy/packages/flowy_board/example/.vscode/launch.json
vendored
Normal file
37
frontend/app_flowy/packages/flowy_board/example/.vscode/launch.json
vendored
Normal file
@ -0,0 +1,37 @@
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{
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// Use IntelliSense to learn about possible attributes.
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// Hover to view descriptions of existing attributes.
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// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
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"version": "0.2.0",
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"configurations": [
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{
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"name": "example",
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"cwd": "example",
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"request": "launch",
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"env": {
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"Dart_LOG": "true"
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},
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"type": "dart"
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},
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{
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"name": "example (profile mode)",
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"cwd": "example",
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"request": "launch",
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"type": "dart",
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"env": {
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"Dart_LOG": "true"
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},
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"flutterMode": "profile"
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},
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{
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"name": "example (release mode)",
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"cwd": "example",
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"request": "launch",
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"type": "dart",
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"env": {
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"Dart_LOG": "true"
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},
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"flutterMode": "release"
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}
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]
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}
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@ -1,8 +1,6 @@
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import 'package:flutter/material.dart';
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import 'dart:async';
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import 'package:flutter/services.dart';
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import 'package:flowy_board/flowy_board.dart';
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import 'single_board_list_example.dart';
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import 'multi_board_list_example.dart';
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void main() {
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runApp(const MyApp());
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@ -16,35 +14,17 @@ class MyApp extends StatefulWidget {
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}
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class _MyAppState extends State<MyApp> {
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String _platformVersion = 'Unknown';
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final _flowyBoardPlugin = FlowyBoard();
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int _currentIndex = 0;
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final _bottomNavigationColor = Colors.blue;
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final List<Widget> _examples = [
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const MultiBoardListExample(),
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const SingleBoardListExample(),
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];
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@override
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void initState() {
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super.initState();
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initPlatformState();
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}
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// Platform messages are asynchronous, so we initialize in an async method.
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Future<void> initPlatformState() async {
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String platformVersion;
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// Platform messages may fail, so we use a try/catch PlatformException.
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// We also handle the message potentially returning null.
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try {
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platformVersion =
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await _flowyBoardPlugin.getPlatformVersion() ?? 'Unknown platform version';
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} on PlatformException {
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platformVersion = 'Failed to get platform version.';
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}
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// If the widget was removed from the tree while the asynchronous platform
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// message was in flight, we want to discard the reply rather than calling
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// setState to update our non-existent appearance.
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if (!mounted) return;
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setState(() {
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_platformVersion = platformVersion;
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});
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}
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@override
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@ -52,12 +32,28 @@ class _MyAppState extends State<MyApp> {
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return MaterialApp(
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home: Scaffold(
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appBar: AppBar(
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title: const Text('Plugin example app'),
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),
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body: Center(
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child: Text('Running on: $_platformVersion\n'),
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),
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title: const Text('FlowyBoard example'),
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),
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body: _examples[_currentIndex],
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bottomNavigationBar: BottomNavigationBar(
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fixedColor: _bottomNavigationColor,
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showSelectedLabels: true,
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showUnselectedLabels: false,
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currentIndex: _currentIndex,
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items: [
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BottomNavigationBarItem(
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icon: Icon(Icons.grid_on, color: _bottomNavigationColor),
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label: "MultiBoardList"),
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BottomNavigationBarItem(
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icon: Icon(Icons.grid_on, color: _bottomNavigationColor),
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label: "SingleBoardList"),
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],
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onTap: (int index) {
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setState(() {
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_currentIndex = index;
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});
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},
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)),
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);
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}
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}
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@ -0,0 +1,78 @@
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import 'package:flowy_board/flowy_board.dart';
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import 'package:flutter/material.dart';
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class MultiBoardListExample extends StatefulWidget {
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const MultiBoardListExample({Key? key}) : super(key: key);
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@override
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State<MultiBoardListExample> createState() => _MultiBoardListExampleState();
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}
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class _MultiBoardListExampleState extends State<MultiBoardListExample> {
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final BoardDataController boardData = BoardDataController();
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@override
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void initState() {
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final column1 = BoardColumnData(id: "1", items: [
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TextItem("a"),
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TextItem("b"),
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TextItem("c"),
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TextItem("d"),
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]);
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final column2 = BoardColumnData(id: "2", items: [
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TextItem("1"),
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TextItem("2"),
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TextItem("3"),
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TextItem("4"),
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TextItem("5"),
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]);
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final column3 = BoardColumnData(id: "3", items: [
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TextItem("A"),
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TextItem("B"),
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TextItem("C"),
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TextItem("D"),
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]);
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boardData.setColumnData(column1);
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boardData.setColumnData(column2);
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boardData.setColumnData(column3);
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return Board(
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dataController: boardData,
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background: Container(color: Colors.red),
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builder: (context, item) {
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return _RowWidget(item: item as TextItem, key: ObjectKey(item));
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},
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);
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}
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}
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class _RowWidget extends StatelessWidget {
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final TextItem item;
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const _RowWidget({Key? key, required this.item}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return Container(
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key: ObjectKey(item),
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height: 60,
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color: Colors.green,
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child: Center(child: Text(item.s)),
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);
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}
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}
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class TextItem extends ColumnItem {
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final String s;
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TextItem(this.s);
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@override
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String get id => s;
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}
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@ -0,0 +1,60 @@
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import 'package:flutter/material.dart';
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import 'package:flowy_board/flowy_board.dart';
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class SingleBoardListExample extends StatefulWidget {
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const SingleBoardListExample({Key? key}) : super(key: key);
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@override
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State<SingleBoardListExample> createState() => _SingleBoardListExampleState();
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}
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class _SingleBoardListExampleState extends State<SingleBoardListExample> {
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final BoardDataController boardData = BoardDataController();
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@override
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void initState() {
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final column = BoardColumnData(id: "1", items: [
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TextItem("a"),
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TextItem("b"),
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TextItem("c"),
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TextItem("d"),
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]);
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boardData.setColumnData(column);
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return Board(
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dataController: boardData,
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builder: (context, item) {
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return _RowWidget(item: item as TextItem, key: ObjectKey(item));
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},
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);
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}
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}
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class _RowWidget extends StatelessWidget {
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final TextItem item;
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const _RowWidget({Key? key, required this.item}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return Container(
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key: ObjectKey(item),
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height: 60,
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color: Colors.green,
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child: Center(child: Text(item.s)),
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);
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}
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}
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class TextItem extends ColumnItem {
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final String s;
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TextItem(this.s);
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@override
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String get id => throw UnimplementedError();
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}
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@ -0,0 +1,22 @@
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PODS:
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- flowy_board (0.0.1):
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- FlutterMacOS
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- FlutterMacOS (1.0.0)
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DEPENDENCIES:
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- flowy_board (from `Flutter/ephemeral/.symlinks/plugins/flowy_board/macos`)
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- FlutterMacOS (from `Flutter/ephemeral`)
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EXTERNAL SOURCES:
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flowy_board:
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:path: Flutter/ephemeral/.symlinks/plugins/flowy_board/macos
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FlutterMacOS:
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:path: Flutter/ephemeral
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SPEC CHECKSUMS:
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flowy_board: e93adfa305df65f1ac860f2cf9dc7188f50c9b66
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FlutterMacOS: 57701585bf7de1b3fc2bb61f6378d73bbdea8424
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PODFILE CHECKSUM: 6eac6b3292e5142cfc23bdeb71848a40ec51c14c
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COCOAPODS: 1.11.3
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@ -21,6 +21,7 @@
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/* End PBXAggregateTarget section */
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||||
|
||||
/* Begin PBXBuildFile section */
|
||||
2AD48017E3EAE6142B6E265B /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 368626E4047E7783820AEC34 /* Pods_Runner.framework */; };
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||||
335BBD1B22A9A15E00E9071D /* GeneratedPluginRegistrant.swift in Sources */ = {isa = PBXBuildFile; fileRef = 335BBD1A22A9A15E00E9071D /* GeneratedPluginRegistrant.swift */; };
|
||||
33CC10F12044A3C60003C045 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC10F02044A3C60003C045 /* AppDelegate.swift */; };
|
||||
33CC10F32044A3C60003C045 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 33CC10F22044A3C60003C045 /* Assets.xcassets */; };
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||||
@ -52,9 +53,10 @@
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||||
/* End PBXCopyFilesBuildPhase section */
|
||||
|
||||
/* Begin PBXFileReference section */
|
||||
02BDE4CD9C63CA2562B2FDD1 /* Pods-Runner.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.release.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"; sourceTree = "<group>"; };
|
||||
333000ED22D3DE5D00554162 /* Warnings.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Warnings.xcconfig; sourceTree = "<group>"; };
|
||||
335BBD1A22A9A15E00E9071D /* GeneratedPluginRegistrant.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GeneratedPluginRegistrant.swift; sourceTree = "<group>"; };
|
||||
33CC10ED2044A3C60003C045 /* flowy_board_example.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "flowy_board_example.app"; sourceTree = BUILT_PRODUCTS_DIR; };
|
||||
33CC10ED2044A3C60003C045 /* flowy_board_example.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = flowy_board_example.app; sourceTree = BUILT_PRODUCTS_DIR; };
|
||||
33CC10F02044A3C60003C045 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
|
||||
33CC10F22044A3C60003C045 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; name = Assets.xcassets; path = Runner/Assets.xcassets; sourceTree = "<group>"; };
|
||||
33CC10F52044A3C60003C045 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/MainMenu.xib; sourceTree = "<group>"; };
|
||||
@ -66,8 +68,11 @@
|
||||
33E51913231747F40026EE4D /* DebugProfile.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = DebugProfile.entitlements; sourceTree = "<group>"; };
|
||||
33E51914231749380026EE4D /* Release.entitlements */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.entitlements; path = Release.entitlements; sourceTree = "<group>"; };
|
||||
33E5194F232828860026EE4D /* AppInfo.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = AppInfo.xcconfig; sourceTree = "<group>"; };
|
||||
368626E4047E7783820AEC34 /* Pods_Runner.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Runner.framework; sourceTree = BUILT_PRODUCTS_DIR; };
|
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59D896B3478D0A2144E570BB /* Pods-Runner.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.profile.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig"; sourceTree = "<group>"; };
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7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Release.xcconfig; sourceTree = "<group>"; };
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||||
9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; path = Debug.xcconfig; sourceTree = "<group>"; };
|
||||
F368AC3EE3CE4F2FCEC85166 /* Pods-Runner.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.debug.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"; sourceTree = "<group>"; };
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/* End PBXFileReference section */
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/* Begin PBXFrameworksBuildPhase section */
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@ -75,6 +80,7 @@
|
||||
isa = PBXFrameworksBuildPhase;
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buildActionMask = 2147483647;
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files = (
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2AD48017E3EAE6142B6E265B /* Pods_Runner.framework in Frameworks */,
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
|
||||
@ -99,6 +105,7 @@
|
||||
33CEB47122A05771004F2AC0 /* Flutter */,
|
||||
33CC10EE2044A3C60003C045 /* Products */,
|
||||
D73912EC22F37F3D000D13A0 /* Frameworks */,
|
||||
6BBA375F5E43A645EC061EA0 /* Pods */,
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);
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sourceTree = "<group>";
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};
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@ -145,9 +152,21 @@
|
||||
path = Runner;
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sourceTree = "<group>";
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};
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6BBA375F5E43A645EC061EA0 /* Pods */ = {
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F368AC3EE3CE4F2FCEC85166 /* Pods-Runner.debug.xcconfig */,
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59D896B3478D0A2144E570BB /* Pods-Runner.profile.xcconfig */,
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D73912EC22F37F3D000D13A0 /* Frameworks */ = {
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children = (
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368626E4047E7783820AEC34 /* Pods_Runner.framework */,
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name = Frameworks;
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sourceTree = "<group>";
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@ -159,11 +178,13 @@
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buildConfigurationList = 33CC10FB2044A3C60003C045 /* Build configuration list for PBXNativeTarget "Runner" */;
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buildPhases = (
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DF704441B638BDD90A6EF3BC /* [CP] Check Pods Manifest.lock */,
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33CC10E92044A3C60003C045 /* Sources */,
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33CC10EA2044A3C60003C045 /* Frameworks */,
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33CC10EB2044A3C60003C045 /* Resources */,
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33CC110E2044A8840003C045 /* Bundle Framework */,
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3399D490228B24CF009A79C7 /* ShellScript */,
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B89DDA2E6C13BED8F107400D /* [CP] Embed Pods Frameworks */,
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buildRules = (
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||||
);
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@ -270,6 +291,45 @@
|
||||
shellPath = /bin/sh;
|
||||
shellScript = "\"$FLUTTER_ROOT\"/packages/flutter_tools/bin/macos_assemble.sh && touch Flutter/ephemeral/tripwire";
|
||||
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runOnlyForDeploymentPostprocessing = 0;
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shellPath = /bin/sh;
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||||
};
|
||||
/* End PBXShellScriptBuildPhase section */
|
||||
|
||||
/* Begin PBXSourcesBuildPhase section */
|
||||
|
||||
@ -4,4 +4,7 @@
|
||||
<FileRef
|
||||
location = "group:Runner.xcodeproj">
|
||||
</FileRef>
|
||||
<FileRef
|
||||
location = "group:Pods/Pods.xcodeproj">
|
||||
</FileRef>
|
||||
</Workspace>
|
||||
|
||||
@ -6,7 +6,7 @@ description: Demonstrates how to use the flowy_board plugin.
|
||||
publish_to: 'none' # Remove this line if you wish to publish to pub.dev
|
||||
|
||||
environment:
|
||||
sdk: ">=2.17.6 <3.0.0"
|
||||
sdk: ">=2.17.1 <3.0.0"
|
||||
|
||||
# Dependencies specify other packages that your package needs in order to work.
|
||||
# To automatically upgrade your package dependencies to the latest versions
|
||||
|
||||
@ -1,8 +1,5 @@
|
||||
library flowy_board;
|
||||
|
||||
import 'flowy_board_platform_interface.dart';
|
||||
|
||||
class FlowyBoard {
|
||||
Future<String?> getPlatformVersion() {
|
||||
return FlowyBoardPlatform.instance.getPlatformVersion();
|
||||
}
|
||||
}
|
||||
export 'src/widgets/board_column/board_column.dart';
|
||||
export 'src/widgets/board_column/data_controller.dart';
|
||||
export 'src/widgets/board.dart';
|
||||
|
||||
@ -0,0 +1,28 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
// ignore: constant_identifier_names
|
||||
const DART_LOG = "Dart_LOG";
|
||||
|
||||
class Log {
|
||||
// static const enableLog = bool.hasEnvironment(DART_LOG);
|
||||
// static final shared = Log();
|
||||
static const enableLog = true;
|
||||
|
||||
static void info(String? message) {
|
||||
if (enableLog) {
|
||||
debugPrint('ℹ️[Info]=> $message');
|
||||
}
|
||||
}
|
||||
|
||||
static void debug(String? message) {
|
||||
if (enableLog) {
|
||||
debugPrint('🐛[Debug]=> $message');
|
||||
}
|
||||
}
|
||||
|
||||
static void trace(String? message) {
|
||||
if (enableLog) {
|
||||
// debugPrint('❗️[Trace]=> $message');
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,149 @@
|
||||
import 'dart:collection';
|
||||
import 'package:equatable/equatable.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:provider/provider.dart';
|
||||
import '../../flowy_board.dart';
|
||||
|
||||
import 'column_container.dart';
|
||||
import 'flex/reorder_flex.dart';
|
||||
import 'phantom/phantom_controller.dart';
|
||||
|
||||
class Board extends StatelessWidget {
|
||||
/// The direction to use as the main axis.
|
||||
final Axis direction = Axis.vertical;
|
||||
|
||||
/// How much space to place between children in a run in the main axis.
|
||||
/// Defaults to 10.0.
|
||||
final double spacing;
|
||||
|
||||
/// How much space to place between the runs themselves in the cross axis.
|
||||
/// Defaults to 0.0.
|
||||
final double runSpacing;
|
||||
|
||||
final Widget? background;
|
||||
|
||||
final BoardColumnItemWidgetBuilder builder;
|
||||
|
||||
///
|
||||
final BoardDataController dataController;
|
||||
|
||||
///
|
||||
final BoardPhantomController passthroughPhantomContorller;
|
||||
|
||||
Board({
|
||||
required this.dataController,
|
||||
required this.builder,
|
||||
this.spacing = 10.0,
|
||||
this.runSpacing = 0.0,
|
||||
this.background,
|
||||
Key? key,
|
||||
}) : passthroughPhantomContorller =
|
||||
BoardPhantomController(delegate: dataController),
|
||||
super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return ChangeNotifierProvider.value(
|
||||
value: dataController,
|
||||
child: Consumer(
|
||||
builder: (context, notifier, child) {
|
||||
List<Widget> children = [];
|
||||
List<String> acceptColumns =
|
||||
dataController.columnControllers.keys.toList();
|
||||
|
||||
dataController.columnControllers.forEach((columnId, dataController) {
|
||||
Widget child =
|
||||
buildBoardColumn(columnId, acceptColumns, dataController);
|
||||
if (children.isEmpty) {
|
||||
// children.add(SizedBox(width: spacing));
|
||||
}
|
||||
// if (background != null) {
|
||||
// child = Stack(children: [
|
||||
// background!,
|
||||
// child,
|
||||
// ]);
|
||||
// }
|
||||
// children.add(Expanded(key: ValueKey(columnId), child: child));
|
||||
children.add(child);
|
||||
// children.add(SizedBox(width: spacing));
|
||||
});
|
||||
|
||||
return BoardColumnContainer(
|
||||
onReorder: (fromIndex, toIndex) {},
|
||||
boardDataController: dataController,
|
||||
children: children,
|
||||
);
|
||||
|
||||
// return Row(
|
||||
// crossAxisAlignment: CrossAxisAlignment.start,
|
||||
// mainAxisAlignment: MainAxisAlignment.spaceEvenly,
|
||||
// children: children,
|
||||
// );
|
||||
},
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
///
|
||||
Widget buildBoardColumn(
|
||||
String columnId,
|
||||
List<String> acceptColumns,
|
||||
BoardColumnDataController dataController,
|
||||
) {
|
||||
return ChangeNotifierProvider.value(
|
||||
key: ValueKey(columnId),
|
||||
value: dataController,
|
||||
child: Consumer<BoardColumnDataController>(
|
||||
builder: (context, value, child) {
|
||||
return SizedBox(
|
||||
width: 200,
|
||||
child: BoardColumnWidget(
|
||||
header: Container(color: Colors.yellow, height: 30),
|
||||
builder: builder,
|
||||
acceptColumns: acceptColumns,
|
||||
dataController: dataController,
|
||||
scrollController: ScrollController(),
|
||||
onReorder: (_, int fromIndex, int toIndex) {
|
||||
dataController.move(fromIndex, toIndex);
|
||||
},
|
||||
phantomController: passthroughPhantomContorller,
|
||||
),
|
||||
);
|
||||
},
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class BoardDataController extends ChangeNotifier
|
||||
with EquatableMixin, BoardPhantomControllerDelegate, ReoderFlextDataSource {
|
||||
final LinkedHashMap<String, BoardColumnData> columnDatas = LinkedHashMap();
|
||||
final LinkedHashMap<String, BoardColumnDataController> columnControllers =
|
||||
LinkedHashMap();
|
||||
|
||||
BoardDataController();
|
||||
|
||||
void setColumnData(BoardColumnData columnData) {
|
||||
final controller = BoardColumnDataController(columnData: columnData);
|
||||
columnDatas[columnData.id] = columnData;
|
||||
columnControllers[columnData.id] = controller;
|
||||
}
|
||||
|
||||
@override
|
||||
List<Object?> get props {
|
||||
return [columnDatas.values];
|
||||
}
|
||||
|
||||
@override
|
||||
BoardColumnDataController? controller(String columnId) {
|
||||
return columnControllers[columnId];
|
||||
}
|
||||
|
||||
@override
|
||||
String get identifier => '$BoardDataController';
|
||||
|
||||
@override
|
||||
List<ReoderFlextItem> get items => columnDatas.values.toList();
|
||||
}
|
||||
|
||||
class BoardDataIdentifier {}
|
||||
@ -0,0 +1,142 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
import '../../rendering/board_overlay.dart';
|
||||
import '../../utils/log.dart';
|
||||
import '../phantom/phantom_controller.dart';
|
||||
import '../flex/reorder_flex.dart';
|
||||
import '../flex/drag_state.dart';
|
||||
import '../flex/reorder_flex_ext.dart';
|
||||
import 'data_controller.dart';
|
||||
|
||||
typedef OnDragStarted = void Function(int index);
|
||||
typedef OnDragEnded = void Function(String listId);
|
||||
typedef OnReorder = void Function(String listId, int fromIndex, int toIndex);
|
||||
typedef OnDeleted = void Function(String listId, int deletedIndex);
|
||||
typedef OnInserted = void Function(String listId, int insertedIndex);
|
||||
typedef OnPassedInPhantom = void Function(
|
||||
String listId,
|
||||
FlexDragTargetData dragTargetData,
|
||||
int phantomIndex,
|
||||
);
|
||||
|
||||
typedef BoardColumnItemWidgetBuilder = Widget Function(
|
||||
BuildContext context, ColumnItem item);
|
||||
|
||||
class BoardColumnWidget extends StatefulWidget {
|
||||
final Widget? header;
|
||||
final Widget? footer;
|
||||
final BoardColumnDataController dataController;
|
||||
final ScrollController? scrollController;
|
||||
final ReorderFlexConfig config;
|
||||
|
||||
final OnDragStarted? onDragStarted;
|
||||
final OnReorder onReorder;
|
||||
final OnDragEnded? onDragEnded;
|
||||
|
||||
final BoardPhantomController phantomController;
|
||||
|
||||
String get columnId => dataController.identifier;
|
||||
|
||||
final List<String> acceptColumns;
|
||||
|
||||
final BoardColumnItemWidgetBuilder builder;
|
||||
|
||||
const BoardColumnWidget({
|
||||
Key? key,
|
||||
this.header,
|
||||
this.footer,
|
||||
required this.builder,
|
||||
required this.onReorder,
|
||||
required this.dataController,
|
||||
required this.phantomController,
|
||||
required this.acceptColumns,
|
||||
this.config = const ReorderFlexConfig(),
|
||||
this.onDragStarted,
|
||||
this.scrollController,
|
||||
this.onDragEnded,
|
||||
}) : super(key: key);
|
||||
|
||||
@override
|
||||
State<BoardColumnWidget> createState() => _BoardColumnWidgetState();
|
||||
}
|
||||
|
||||
class _BoardColumnWidgetState extends State<BoardColumnWidget> {
|
||||
final GlobalKey _columnOverlayKey =
|
||||
GlobalKey(debugLabel: '$BoardColumnWidget overlay key');
|
||||
|
||||
late BoardOverlayEntry _overlayEntry;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
_overlayEntry = BoardOverlayEntry(
|
||||
builder: (BuildContext context) {
|
||||
final children = widget.dataController.items
|
||||
.map((item) => _buildWidget(context, item))
|
||||
.toList();
|
||||
|
||||
final dragTargetExtension = ReorderFlextDragTargetExtension(
|
||||
reorderFlexId: widget.columnId,
|
||||
delegate: widget.phantomController,
|
||||
acceptReorderFlexIds: widget.acceptColumns,
|
||||
draggableTargetBuilder: PhantomReorderDraggableBuilder(),
|
||||
);
|
||||
|
||||
return ReorderFlex(
|
||||
key: widget.key,
|
||||
header: widget.header,
|
||||
footer: widget.footer,
|
||||
scrollController: widget.scrollController,
|
||||
config: widget.config,
|
||||
onDragStarted: (index) {
|
||||
widget.phantomController.columnStartDragging(widget.columnId);
|
||||
widget.onDragStarted?.call(index);
|
||||
},
|
||||
onReorder: ((fromIndex, toIndex) {
|
||||
if (widget.phantomController.isFromColumn(widget.columnId)) {
|
||||
widget.onReorder(widget.columnId, fromIndex, toIndex);
|
||||
widget.phantomController.transformIndex(fromIndex, toIndex);
|
||||
}
|
||||
}),
|
||||
onDragEnded: () {
|
||||
widget.phantomController.columnEndDragging(widget.columnId);
|
||||
widget.onDragEnded?.call(widget.columnId);
|
||||
_printItems(widget.dataController);
|
||||
},
|
||||
dataSource: widget.dataController,
|
||||
dragTargetExtension: dragTargetExtension,
|
||||
children: children,
|
||||
);
|
||||
},
|
||||
opaque: false);
|
||||
super.initState();
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return BoardOverlay(
|
||||
key: _columnOverlayKey,
|
||||
initialEntries: [_overlayEntry],
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildWidget(BuildContext context, ColumnItem item) {
|
||||
if (item is PhantomColumnItem) {
|
||||
return PassthroughPhantomWidget(
|
||||
key: UniqueKey(),
|
||||
opacity: widget.config.draggingWidgetOpacity,
|
||||
passthroughPhantomContext: item.phantomContext,
|
||||
);
|
||||
} else {
|
||||
return widget.builder(context, item);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void _printItems(BoardColumnDataController dataController) {
|
||||
String msg = '';
|
||||
for (var element in dataController.items) {
|
||||
msg = '$msg$element,';
|
||||
}
|
||||
|
||||
Log.debug(msg);
|
||||
}
|
||||
@ -0,0 +1,85 @@
|
||||
import 'package:equatable/equatable.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import '../../utils/log.dart';
|
||||
import '../flex/reorder_flex.dart';
|
||||
|
||||
abstract class ColumnItem extends ReoderFlextItem {
|
||||
String get id;
|
||||
|
||||
bool get isPhantom => false;
|
||||
|
||||
@override
|
||||
String toString() {
|
||||
return id;
|
||||
}
|
||||
}
|
||||
|
||||
class BoardColumnData extends ReoderFlextItem with EquatableMixin {
|
||||
final String id;
|
||||
final List<ColumnItem> items;
|
||||
|
||||
BoardColumnData({
|
||||
required this.id,
|
||||
required this.items,
|
||||
});
|
||||
|
||||
@override
|
||||
List<Object?> get props => [id, ...items];
|
||||
|
||||
@override
|
||||
String toString() {
|
||||
return 'Column$id';
|
||||
}
|
||||
}
|
||||
|
||||
class BoardColumnDataController extends ChangeNotifier
|
||||
with EquatableMixin, ReoderFlextDataSource {
|
||||
final BoardColumnData columnData;
|
||||
|
||||
BoardColumnDataController({
|
||||
required this.columnData,
|
||||
});
|
||||
|
||||
@override
|
||||
List<Object?> get props => columnData.props;
|
||||
|
||||
ColumnItem removeAt(int index) {
|
||||
Log.debug('[$BoardColumnDataController] $columnData remove item at $index');
|
||||
final item = columnData.items.removeAt(index);
|
||||
notifyListeners();
|
||||
return item;
|
||||
}
|
||||
|
||||
void move(int fromIndex, int toIndex) {
|
||||
if (fromIndex == toIndex) {
|
||||
return;
|
||||
}
|
||||
Log.debug(
|
||||
'[$BoardColumnDataController] $columnData move item from $fromIndex to $toIndex');
|
||||
final item = columnData.items.removeAt(fromIndex);
|
||||
columnData.items.insert(toIndex, item);
|
||||
notifyListeners();
|
||||
}
|
||||
|
||||
void insert(int index, ColumnItem item, {bool notify = true}) {
|
||||
Log.debug('[$BoardColumnDataController] $columnData insert item at $index');
|
||||
columnData.items.insert(index, item);
|
||||
if (notify) {
|
||||
notifyListeners();
|
||||
}
|
||||
}
|
||||
|
||||
void replace(int index, ColumnItem item) {
|
||||
Log.debug(
|
||||
'[$BoardColumnDataController] $columnData replace item at $index');
|
||||
columnData.items.removeAt(index);
|
||||
columnData.items.insert(index, item);
|
||||
notifyListeners();
|
||||
}
|
||||
|
||||
@override
|
||||
List<ColumnItem> get items => columnData.items;
|
||||
|
||||
@override
|
||||
String get identifier => columnData.id;
|
||||
}
|
||||
@ -0,0 +1,91 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
import '../rendering/board_overlay.dart';
|
||||
import 'flex/reorder_flex.dart';
|
||||
import 'board.dart';
|
||||
|
||||
class BoardColumnContainer extends StatefulWidget {
|
||||
final Widget? header;
|
||||
final Widget? footer;
|
||||
final ScrollController? scrollController;
|
||||
final OnDragStarted? onDragStarted;
|
||||
final OnReorder onReorder;
|
||||
final OnDragEnded? onDragEnded;
|
||||
final BoardDataController boardDataController;
|
||||
final List<Widget> children;
|
||||
final EdgeInsets? padding;
|
||||
final Widget? background;
|
||||
final ReorderFlexConfig config;
|
||||
|
||||
const BoardColumnContainer({
|
||||
required this.boardDataController,
|
||||
required this.onReorder,
|
||||
required this.children,
|
||||
this.onDragStarted,
|
||||
this.onDragEnded,
|
||||
this.header,
|
||||
this.footer,
|
||||
this.scrollController,
|
||||
this.padding,
|
||||
this.background,
|
||||
this.config = const ReorderFlexConfig(),
|
||||
Key? key,
|
||||
}) : super(key: key);
|
||||
|
||||
@override
|
||||
State<BoardColumnContainer> createState() => _BoardColumnContainerState();
|
||||
}
|
||||
|
||||
class _BoardColumnContainerState extends State<BoardColumnContainer> {
|
||||
final GlobalKey _columnContainerOverlayKey =
|
||||
GlobalKey(debugLabel: '$BoardColumnContainer overlay key');
|
||||
late BoardOverlayEntry _overlayEntry;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
_overlayEntry = BoardOverlayEntry(
|
||||
builder: (BuildContext context) {
|
||||
Widget reorderFlex = ReorderFlex(
|
||||
key: widget.key,
|
||||
header: widget.header,
|
||||
footer: widget.footer,
|
||||
scrollController: widget.scrollController,
|
||||
config: widget.config,
|
||||
onDragStarted: (index) {},
|
||||
onReorder: ((fromIndex, toIndex) {}),
|
||||
onDragEnded: () {},
|
||||
dataSource: widget.boardDataController,
|
||||
direction: Axis.horizontal,
|
||||
children: widget.children,
|
||||
);
|
||||
|
||||
if (widget.padding != null) {
|
||||
reorderFlex = Padding(
|
||||
padding: widget.padding!,
|
||||
child: reorderFlex,
|
||||
);
|
||||
}
|
||||
|
||||
return Expanded(
|
||||
child: Stack(
|
||||
alignment: AlignmentDirectional.center,
|
||||
children: [
|
||||
Container(
|
||||
color: Colors.red,
|
||||
),
|
||||
reorderFlex
|
||||
],
|
||||
));
|
||||
},
|
||||
opaque: false);
|
||||
super.initState();
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return BoardOverlay(
|
||||
key: _columnContainerOverlayKey,
|
||||
initialEntries: [_overlayEntry],
|
||||
);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,171 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
import '../../utils/log.dart';
|
||||
import 'drag_target.dart';
|
||||
import 'reorder_flex.dart';
|
||||
|
||||
/// [FlexDragTargetData] is used to store the custom dragging data. It can be used to
|
||||
/// locate the index of the dragging widget in the [BoardList].
|
||||
class FlexDragTargetData extends DragTargetData {
|
||||
/// The index of the dragging target in the boardList.
|
||||
@override
|
||||
final int draggingIndex;
|
||||
|
||||
final DraggingState state;
|
||||
|
||||
Widget? get draggingWidget => state.draggingWidget;
|
||||
|
||||
Size? get draggingFeedbackSize => state.feedbackSize;
|
||||
|
||||
/// Indicate the dargging come from which [ReorderFlex].
|
||||
final DraggingReorderFlex draggingReorderFlex;
|
||||
|
||||
ReoderFlextItem get columnItem =>
|
||||
draggingReorderFlex.itemAtIndex(draggingIndex);
|
||||
|
||||
String get reorderFlexId => draggingReorderFlex.id;
|
||||
|
||||
FlexDragTargetData({
|
||||
required this.draggingIndex,
|
||||
required this.state,
|
||||
required this.draggingReorderFlex,
|
||||
});
|
||||
}
|
||||
|
||||
abstract class DraggingReorderFlex {
|
||||
String get id;
|
||||
ReoderFlextItem itemAtIndex(int index);
|
||||
}
|
||||
|
||||
class DraggingState {
|
||||
final String id;
|
||||
|
||||
/// The member of widget.children currently being dragged.
|
||||
///
|
||||
/// Null if no drag is underway.
|
||||
Widget? _draggingWidget;
|
||||
|
||||
Widget? get draggingWidget => _draggingWidget;
|
||||
|
||||
/// The last computed size of the feedback widget being dragged.
|
||||
Size? _draggingFeedbackSize = Size.zero;
|
||||
|
||||
Size? get feedbackSize => _draggingFeedbackSize;
|
||||
|
||||
/// The location that the dragging widget occupied before it started to drag.
|
||||
int dragStartIndex = -1;
|
||||
|
||||
/// The index that the dragging widget most recently left.
|
||||
/// This is used to show an animation of the widget's position.
|
||||
int phantomIndex = -1;
|
||||
|
||||
/// The index that the dragging widget currently occupies.
|
||||
int currentIndex = -1;
|
||||
|
||||
/// The widget to move the dragging widget too after the current index.
|
||||
int nextIndex = 0;
|
||||
|
||||
/// Whether or not we are currently scrolling this view to show a widget.
|
||||
bool scrolling = false;
|
||||
|
||||
/// The additional margin to place around a computed drop area.
|
||||
static const double _dropAreaMargin = 0.0;
|
||||
|
||||
DraggingState(this.id);
|
||||
|
||||
Size get dropAreaSize {
|
||||
if (_draggingFeedbackSize == null) {
|
||||
return Size.zero;
|
||||
}
|
||||
return _draggingFeedbackSize! +
|
||||
const Offset(_dropAreaMargin, _dropAreaMargin);
|
||||
}
|
||||
|
||||
void startDragging(Widget draggingWidget, int draggingWidgetIndex,
|
||||
Size? draggingWidgetSize) {
|
||||
///
|
||||
assert(draggingWidgetIndex >= 0);
|
||||
|
||||
_draggingWidget = draggingWidget;
|
||||
phantomIndex = draggingWidgetIndex;
|
||||
dragStartIndex = draggingWidgetIndex;
|
||||
currentIndex = draggingWidgetIndex;
|
||||
_draggingFeedbackSize = draggingWidgetSize;
|
||||
}
|
||||
|
||||
void endDragging() {
|
||||
dragStartIndex = -1;
|
||||
phantomIndex = -1;
|
||||
currentIndex = -1;
|
||||
_draggingWidget = null;
|
||||
}
|
||||
|
||||
/// When the phantomIndex and currentIndex are the same, it means the dragging
|
||||
/// widget did move to the destination location.
|
||||
void removePhantom() {
|
||||
phantomIndex = currentIndex;
|
||||
}
|
||||
|
||||
/// The dragging widget overlaps with the phantom widget.
|
||||
bool isOverlapWithPhantom() {
|
||||
return currentIndex != phantomIndex;
|
||||
}
|
||||
|
||||
bool isPhantomAboveDragTarget() {
|
||||
return currentIndex > phantomIndex;
|
||||
}
|
||||
|
||||
bool isPhantomBelowDragTarget() {
|
||||
return currentIndex < phantomIndex;
|
||||
}
|
||||
|
||||
bool didDragTargetMoveToNext() {
|
||||
return currentIndex == nextIndex;
|
||||
}
|
||||
|
||||
/// Set the currentIndex to nextIndex
|
||||
void moveDragTargetToNext() {
|
||||
Log.trace('moveDragTargetToNext: $nextIndex');
|
||||
currentIndex = nextIndex;
|
||||
}
|
||||
|
||||
void updateNextIndex(int index) {
|
||||
assert(index >= 0);
|
||||
Log.trace('updateNextIndex: $index');
|
||||
nextIndex = index;
|
||||
}
|
||||
|
||||
bool isNotDragging() {
|
||||
return dragStartIndex == -1;
|
||||
}
|
||||
|
||||
bool isDragging() {
|
||||
return !isNotDragging();
|
||||
}
|
||||
|
||||
/// When the _dragStartIndex less than the _currentIndex, it means the
|
||||
/// dragTarget is going down to the end of the list.
|
||||
bool isDragTargetMovingDown() {
|
||||
return dragStartIndex < currentIndex;
|
||||
}
|
||||
|
||||
/// The index represents the widget original index of the list.
|
||||
int calculateShiftedIndex(int index) {
|
||||
int shiftedIndex = index;
|
||||
if (index == dragStartIndex) {
|
||||
shiftedIndex = phantomIndex;
|
||||
} else if (index > dragStartIndex && index <= phantomIndex) {
|
||||
/// phantom move up
|
||||
shiftedIndex--;
|
||||
} else if (index < dragStartIndex && index >= phantomIndex) {
|
||||
/// phantom move down
|
||||
shiftedIndex++;
|
||||
}
|
||||
return shiftedIndex;
|
||||
}
|
||||
|
||||
@override
|
||||
String toString() {
|
||||
return 'DragStartIndex: $dragStartIndex, PhantomIndex: $phantomIndex, CurrentIndex: $currentIndex, NextIndex: $nextIndex';
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,369 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
abstract class DragTargetData {
|
||||
int get draggingIndex;
|
||||
}
|
||||
|
||||
abstract class ReorderDraggableTargetBuilder {
|
||||
Widget? build<T extends DragTargetData>(
|
||||
BuildContext context,
|
||||
Widget child,
|
||||
DragTargetOnStarted onDragStarted,
|
||||
DragTargetOnEnded<T> onDragEnded,
|
||||
DragTargetWillAccpet<T> onWillAccept);
|
||||
}
|
||||
|
||||
typedef DragTargetWillAccpet<T extends DragTargetData> = bool Function(
|
||||
T dragTargetData);
|
||||
typedef DragTargetOnStarted = void Function(Widget, int, Size?);
|
||||
typedef DragTargetOnEnded<T extends DragTargetData> = void Function(
|
||||
T dragTargetData);
|
||||
|
||||
/// [ReorderDragTarget] is a [DragTarget] that carries the index information of
|
||||
/// the child.
|
||||
///
|
||||
/// The size of the [ReorderDragTarget] will become zero when it start dragging.
|
||||
///
|
||||
class ReorderDragTarget<T extends DragTargetData> extends StatefulWidget {
|
||||
final Widget child;
|
||||
final T dragTargetData;
|
||||
|
||||
final GlobalObjectKey _indexGlobalKey;
|
||||
|
||||
/// Called when dragTarget is being dragging.
|
||||
final DragTargetOnStarted onDragStarted;
|
||||
|
||||
final DragTargetOnEnded<T> onDragEnded;
|
||||
|
||||
/// Called to determine whether this widget is interested in receiving a given
|
||||
/// piece of data being dragged over this drag target.
|
||||
///
|
||||
/// [toAccept] represents the dragTarget index, which is the value passed in
|
||||
/// when creating the [ReorderDragTarget].
|
||||
final DragTargetWillAccpet<T> onWillAccept;
|
||||
|
||||
/// Called when an acceptable piece of data was dropped over this drag target.
|
||||
///
|
||||
/// Equivalent to [onAcceptWithDetails], but only includes the data.
|
||||
final void Function(T dragTargetData)? onAccept;
|
||||
|
||||
/// Called when a given piece of data being dragged over this target leaves
|
||||
/// the target.
|
||||
final void Function(T dragTargetData)? onLeave;
|
||||
|
||||
final ReorderDraggableTargetBuilder? draggableTargetBuilder;
|
||||
|
||||
ReorderDragTarget({
|
||||
Key? key,
|
||||
required this.child,
|
||||
required this.dragTargetData,
|
||||
required this.onDragStarted,
|
||||
required this.onDragEnded,
|
||||
required this.onWillAccept,
|
||||
this.onAccept,
|
||||
this.onLeave,
|
||||
this.draggableTargetBuilder,
|
||||
}) : _indexGlobalKey = GlobalObjectKey(child.key!),
|
||||
super(key: key);
|
||||
|
||||
@override
|
||||
State<ReorderDragTarget<T>> createState() => _ReorderDragTargetState<T>();
|
||||
}
|
||||
|
||||
class _ReorderDragTargetState<T extends DragTargetData>
|
||||
extends State<ReorderDragTarget<T>> {
|
||||
/// Return the dragTarget's size
|
||||
Size? _draggingFeedbackSize = Size.zero;
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
Widget dragTarget = DragTarget<T>(
|
||||
builder: _buildDraggableWidget,
|
||||
onWillAccept: (dragTargetData) {
|
||||
assert(dragTargetData != null);
|
||||
if (dragTargetData == null) return false;
|
||||
return widget.onWillAccept(dragTargetData);
|
||||
},
|
||||
onAccept: widget.onAccept,
|
||||
onLeave: (dragTargetData) {
|
||||
assert(dragTargetData != null);
|
||||
if (dragTargetData != null) {
|
||||
widget.onLeave?.call(dragTargetData);
|
||||
}
|
||||
},
|
||||
);
|
||||
|
||||
dragTarget = KeyedSubtree(key: widget._indexGlobalKey, child: dragTarget);
|
||||
return dragTarget;
|
||||
}
|
||||
|
||||
Widget _buildDraggableWidget(
|
||||
BuildContext context,
|
||||
List<T?> acceptedCandidates,
|
||||
List<dynamic> rejectedCandidates,
|
||||
) {
|
||||
Widget feedbackBuilder = Builder(builder: (BuildContext context) {
|
||||
BoxConstraints contentSizeConstraints =
|
||||
BoxConstraints.loose(_draggingFeedbackSize!);
|
||||
return _buildDraggableFeedback(
|
||||
context,
|
||||
contentSizeConstraints,
|
||||
widget.child,
|
||||
);
|
||||
});
|
||||
|
||||
final draggableWidget = widget.draggableTargetBuilder?.build(
|
||||
context,
|
||||
widget.child,
|
||||
widget.onDragStarted,
|
||||
widget.onDragEnded,
|
||||
widget.onWillAccept,
|
||||
) ??
|
||||
LongPressDraggable<DragTargetData>(
|
||||
maxSimultaneousDrags: 1,
|
||||
data: widget.dragTargetData,
|
||||
ignoringFeedbackSemantics: false,
|
||||
feedback: feedbackBuilder,
|
||||
childWhenDragging: IgnorePointerWidget(child: widget.child),
|
||||
onDragStarted: () {
|
||||
_draggingFeedbackSize = widget._indexGlobalKey.currentContext?.size;
|
||||
widget.onDragStarted(
|
||||
widget.child,
|
||||
widget.dragTargetData.draggingIndex,
|
||||
_draggingFeedbackSize,
|
||||
);
|
||||
},
|
||||
dragAnchorStrategy: childDragAnchorStrategy,
|
||||
|
||||
/// When the drag ends inside a DragTarget widget, the drag
|
||||
/// succeeds, and we reorder the widget into position appropriately.
|
||||
onDragCompleted: () {
|
||||
widget.onDragEnded(widget.dragTargetData);
|
||||
},
|
||||
|
||||
/// When the drag does not end inside a DragTarget widget, the
|
||||
/// drag fails, but we still reorder the widget to the last position it
|
||||
/// had been dragged to.
|
||||
onDraggableCanceled: (Velocity velocity, Offset offset) =>
|
||||
widget.onDragEnded(widget.dragTargetData),
|
||||
child: widget.child,
|
||||
);
|
||||
|
||||
return draggableWidget;
|
||||
}
|
||||
|
||||
Widget _buildDraggableFeedback(
|
||||
BuildContext context, BoxConstraints constraints, Widget child) {
|
||||
return Transform(
|
||||
transform: Matrix4.rotationZ(0),
|
||||
alignment: FractionalOffset.topLeft,
|
||||
child: Material(
|
||||
elevation: 3.0,
|
||||
color: Colors.transparent,
|
||||
borderRadius: BorderRadius.zero,
|
||||
child: ConstrainedBox(constraints: constraints, child: child),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class DragAnimationController {
|
||||
// How long an animation to reorder an element in the list takes.
|
||||
final Duration reorderAnimationDuration;
|
||||
|
||||
// How long an animation to scroll to an off-screen element in the
|
||||
// list takes.
|
||||
final Duration scrollAnimationDuration;
|
||||
|
||||
// This controls the entrance of the dragging widget into a new place.
|
||||
late AnimationController entranceController;
|
||||
|
||||
// This controls the 'phantom' of the dragging widget, which is left behind
|
||||
// where the widget used to be.
|
||||
late AnimationController phantomController;
|
||||
|
||||
DragAnimationController({
|
||||
required this.reorderAnimationDuration,
|
||||
required this.scrollAnimationDuration,
|
||||
required TickerProvider vsync,
|
||||
required void Function(AnimationStatus) entranceAnimateStatusChanged,
|
||||
}) {
|
||||
entranceController = AnimationController(
|
||||
value: 1.0, vsync: vsync, duration: reorderAnimationDuration);
|
||||
phantomController = AnimationController(
|
||||
value: 0, vsync: vsync, duration: reorderAnimationDuration);
|
||||
entranceController.addStatusListener(entranceAnimateStatusChanged);
|
||||
}
|
||||
|
||||
bool get isEntranceAnimationCompleted => entranceController.isCompleted;
|
||||
|
||||
void startDargging() {
|
||||
entranceController.value = 1.0;
|
||||
}
|
||||
|
||||
void animateToNext() {
|
||||
phantomController.reverse(from: 1.0);
|
||||
entranceController.forward(from: 0.0);
|
||||
}
|
||||
|
||||
void reverseAnimation() {
|
||||
phantomController.reverse(from: 0.1);
|
||||
entranceController.reverse(from: 0.0);
|
||||
}
|
||||
|
||||
void dispose() {
|
||||
entranceController.dispose();
|
||||
phantomController.dispose();
|
||||
}
|
||||
}
|
||||
|
||||
class IgnorePointerWidget extends StatelessWidget {
|
||||
final Widget? child;
|
||||
final bool useIntrinsicSize;
|
||||
const IgnorePointerWidget({
|
||||
required this.child,
|
||||
this.useIntrinsicSize = false,
|
||||
Key? key,
|
||||
}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
final sizedChild = useIntrinsicSize
|
||||
? child
|
||||
: SizedBox(width: 0.0, height: 0.0, child: child);
|
||||
return IgnorePointer(
|
||||
ignoring: true,
|
||||
child: Opacity(
|
||||
opacity: 0,
|
||||
child: sizedChild,
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class PhantomWidget extends StatelessWidget {
|
||||
final Widget? child;
|
||||
final double opacity;
|
||||
const PhantomWidget({
|
||||
this.child,
|
||||
this.opacity = 1.0,
|
||||
Key? key,
|
||||
}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Opacity(
|
||||
opacity: opacity,
|
||||
child: child,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class PhantomAnimateContorller {
|
||||
// How long an animation to reorder an element in the list takes.
|
||||
final Duration reorderAnimationDuration;
|
||||
late AnimationController appearController;
|
||||
late AnimationController disappearController;
|
||||
|
||||
PhantomAnimateContorller({
|
||||
required TickerProvider vsync,
|
||||
required this.reorderAnimationDuration,
|
||||
required void Function(AnimationStatus) appearAnimateStatusChanged,
|
||||
}) {
|
||||
appearController = AnimationController(
|
||||
value: 1.0, vsync: vsync, duration: reorderAnimationDuration);
|
||||
disappearController = AnimationController(
|
||||
value: 0, vsync: vsync, duration: reorderAnimationDuration);
|
||||
appearController.addStatusListener(appearAnimateStatusChanged);
|
||||
}
|
||||
|
||||
bool get isAppearAnimationCompleted => appearController.isCompleted;
|
||||
|
||||
void animateToNext() {
|
||||
disappearController.reverse(from: 1.0);
|
||||
appearController.forward(from: 0.0);
|
||||
}
|
||||
|
||||
void performReorderAnimation() {
|
||||
disappearController.reverse(from: 0.1);
|
||||
appearController.reverse(from: 0.0);
|
||||
}
|
||||
|
||||
void dispose() {
|
||||
appearController.dispose();
|
||||
disappearController.dispose();
|
||||
}
|
||||
}
|
||||
|
||||
abstract class FakeDragTargetEventTrigger {
|
||||
void fakeOnDragStarted(VoidCallback callback);
|
||||
void fakeOnDragEnded(VoidCallback callback);
|
||||
}
|
||||
|
||||
abstract class FakeDragTargetEventData {
|
||||
Size? get feedbackSize;
|
||||
int get index;
|
||||
DragTargetData get dragTargetData;
|
||||
}
|
||||
|
||||
class FakeDragTarget<T extends DragTargetData> extends StatefulWidget {
|
||||
final FakeDragTargetEventTrigger eventTrigger;
|
||||
final FakeDragTargetEventData eventData;
|
||||
final DragTargetOnStarted onDragStarted;
|
||||
final DragTargetOnEnded<T> onDragEnded;
|
||||
final DragTargetWillAccpet<T> onWillAccept;
|
||||
final Widget child;
|
||||
const FakeDragTarget({
|
||||
Key? key,
|
||||
required this.eventTrigger,
|
||||
required this.eventData,
|
||||
required this.onDragStarted,
|
||||
required this.onDragEnded,
|
||||
required this.onWillAccept,
|
||||
required this.child,
|
||||
}) : super(key: key);
|
||||
|
||||
@override
|
||||
State<FakeDragTarget<T>> createState() => _FakeDragTargetState<T>();
|
||||
}
|
||||
|
||||
class _FakeDragTargetState<T extends DragTargetData>
|
||||
extends State<FakeDragTarget<T>> {
|
||||
bool isDragging = false;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
widget.eventTrigger.fakeOnDragStarted(() {
|
||||
if (mounted) {
|
||||
setState(() {
|
||||
widget.onWillAccept(widget.eventData.dragTargetData as T);
|
||||
|
||||
widget.onDragStarted(
|
||||
widget.child,
|
||||
widget.eventData.index,
|
||||
widget.eventData.feedbackSize,
|
||||
);
|
||||
|
||||
isDragging = true;
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
widget.eventTrigger.fakeOnDragEnded(() {
|
||||
if (mounted) {
|
||||
widget.onDragEnded(widget.eventData.dragTargetData as T);
|
||||
}
|
||||
});
|
||||
|
||||
super.initState();
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
if (isDragging) {
|
||||
return IgnorePointerWidget(child: widget.child);
|
||||
} else {
|
||||
return IgnorePointerWidget(useIntrinsicSize: true, child: widget.child);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,524 @@
|
||||
import 'dart:math';
|
||||
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter/rendering.dart';
|
||||
|
||||
import '../../utils/log.dart';
|
||||
import 'reorder_mixin.dart';
|
||||
import 'drag_target.dart';
|
||||
import 'drag_state.dart';
|
||||
import 'reorder_flex_ext.dart';
|
||||
|
||||
typedef OnDragStarted = void Function(int index);
|
||||
typedef OnDragEnded = void Function();
|
||||
typedef OnReorder = void Function(int fromIndex, int toIndex);
|
||||
typedef OnDeleted = void Function(int deletedIndex);
|
||||
typedef OnInserted = void Function(int insertedIndex);
|
||||
typedef OnReveivePassedInPhantom = void Function(
|
||||
FlexDragTargetData dragTargetData, int phantomIndex);
|
||||
|
||||
abstract class ReoderFlextDataSource {
|
||||
String get identifier;
|
||||
List<ReoderFlextItem> get items;
|
||||
}
|
||||
|
||||
abstract class ReoderFlextItem {}
|
||||
|
||||
class ReorderFlexConfig {
|
||||
final bool needsLongPressDraggable = true;
|
||||
final double draggingWidgetOpacity = 0.2;
|
||||
final Duration reorderAnimationDuration = const Duration(milliseconds: 250);
|
||||
final Duration scrollAnimationDuration = const Duration(milliseconds: 250);
|
||||
const ReorderFlexConfig();
|
||||
}
|
||||
|
||||
class ReorderFlex extends StatefulWidget with DraggingReorderFlex {
|
||||
final Widget? header;
|
||||
final Widget? footer;
|
||||
final ReorderFlexConfig config;
|
||||
|
||||
final List<Widget> children;
|
||||
final EdgeInsets? padding;
|
||||
final Axis direction;
|
||||
final MainAxisAlignment mainAxisAlignment = MainAxisAlignment.spaceEvenly;
|
||||
final ScrollController? scrollController;
|
||||
|
||||
final OnDragStarted? onDragStarted;
|
||||
final OnReorder onReorder;
|
||||
final OnDragEnded? onDragEnded;
|
||||
|
||||
final ReoderFlextDataSource dataSource;
|
||||
|
||||
final ReorderFlextDragTargetExtension? dragTargetExtension;
|
||||
|
||||
const ReorderFlex({
|
||||
Key? key,
|
||||
this.header,
|
||||
this.footer,
|
||||
this.scrollController,
|
||||
required this.dataSource,
|
||||
required this.children,
|
||||
required this.config,
|
||||
required this.onReorder,
|
||||
this.onDragStarted,
|
||||
this.onDragEnded,
|
||||
this.dragTargetExtension,
|
||||
// ignore: unused_element
|
||||
this.padding,
|
||||
this.direction = Axis.vertical,
|
||||
}) : super(key: key);
|
||||
|
||||
@override
|
||||
State<ReorderFlex> createState() => ReorderFlexState();
|
||||
|
||||
@override
|
||||
String get id => dataSource.identifier;
|
||||
|
||||
@override
|
||||
ReoderFlextItem itemAtIndex(int index) {
|
||||
return dataSource.items[index];
|
||||
}
|
||||
}
|
||||
|
||||
class ReorderFlexState extends State<ReorderFlex>
|
||||
with ReorderFlexMinxi, TickerProviderStateMixin<ReorderFlex> {
|
||||
/// Controls scrolls and measures scroll progress.
|
||||
late ScrollController _scrollController;
|
||||
ScrollPosition? _attachedScrollPosition;
|
||||
|
||||
/// Whether or not we are currently scrolling this view to show a widget.
|
||||
bool _scrolling = false;
|
||||
|
||||
late DraggingState dragState;
|
||||
late DragAnimationController _dragAnimationController;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
dragState = DraggingState(widget.id);
|
||||
|
||||
_dragAnimationController = DragAnimationController(
|
||||
reorderAnimationDuration: widget.config.reorderAnimationDuration,
|
||||
scrollAnimationDuration: widget.config.scrollAnimationDuration,
|
||||
entranceAnimateStatusChanged: (status) {
|
||||
if (status == AnimationStatus.completed) {
|
||||
setState(() => _requestAnimationToNextIndex());
|
||||
}
|
||||
},
|
||||
vsync: this,
|
||||
);
|
||||
|
||||
super.initState();
|
||||
}
|
||||
|
||||
@override
|
||||
void didChangeDependencies() {
|
||||
if (_attachedScrollPosition != null) {
|
||||
_scrollController.detach(_attachedScrollPosition!);
|
||||
_attachedScrollPosition = null;
|
||||
}
|
||||
|
||||
_scrollController = widget.scrollController ??
|
||||
PrimaryScrollController.of(context) ??
|
||||
ScrollController();
|
||||
|
||||
if (_scrollController.hasClients) {
|
||||
_attachedScrollPosition = Scrollable.of(context)?.position;
|
||||
} else {
|
||||
_attachedScrollPosition = null;
|
||||
}
|
||||
|
||||
if (_attachedScrollPosition != null) {
|
||||
_scrollController.attach(_attachedScrollPosition!);
|
||||
}
|
||||
super.didChangeDependencies();
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
final List<Widget> children = [];
|
||||
if (widget.header != null) {
|
||||
children.add(widget.header!);
|
||||
}
|
||||
|
||||
for (int i = 0; i < widget.children.length; i += 1) {
|
||||
Widget child = widget.children[i];
|
||||
final wrapChild = _wrap(child, i);
|
||||
children.add(wrapChild);
|
||||
}
|
||||
|
||||
if (widget.footer != null) {
|
||||
children.add(widget.footer!);
|
||||
}
|
||||
|
||||
return _wrapScrollView(
|
||||
child: _wrapContainer(children),
|
||||
);
|
||||
}
|
||||
|
||||
@override
|
||||
void dispose() {
|
||||
if (_attachedScrollPosition != null) {
|
||||
_scrollController.detach(_attachedScrollPosition!);
|
||||
_attachedScrollPosition = null;
|
||||
}
|
||||
|
||||
_dragAnimationController.dispose();
|
||||
super.dispose();
|
||||
}
|
||||
|
||||
void _requestAnimationToNextIndex({bool isAcceptingNewTarget = false}) {
|
||||
/// Update the dragState and animate to the next index if the current
|
||||
/// dragging animation is completed. Otherwise, it will get called again
|
||||
/// when the animation finishs.
|
||||
|
||||
if (_dragAnimationController.isEntranceAnimationCompleted) {
|
||||
dragState.removePhantom();
|
||||
|
||||
if (!isAcceptingNewTarget && dragState.didDragTargetMoveToNext()) {
|
||||
return;
|
||||
}
|
||||
|
||||
dragState.moveDragTargetToNext();
|
||||
_dragAnimationController.animateToNext();
|
||||
}
|
||||
}
|
||||
|
||||
/// [child]: the child will be wrapped with dartTarget
|
||||
/// [childIndex]: the index of the child in a list
|
||||
Widget _wrap(Widget child, int childIndex) {
|
||||
return Builder(builder: (context) {
|
||||
final dragTarget = _buildDragTarget(context, child, childIndex);
|
||||
int shiftedIndex = childIndex;
|
||||
|
||||
if (dragState.isOverlapWithPhantom()) {
|
||||
shiftedIndex = dragState.calculateShiftedIndex(childIndex);
|
||||
}
|
||||
|
||||
Log.trace(
|
||||
'Rebuild: Column${dragState.id} ${dragState.toString()}, childIndex: $childIndex shiftedIndex: $shiftedIndex');
|
||||
final currentIndex = dragState.currentIndex;
|
||||
final dragPhantomIndex = dragState.phantomIndex;
|
||||
|
||||
if (shiftedIndex == currentIndex || childIndex == dragPhantomIndex) {
|
||||
Widget dragSpace;
|
||||
if (dragState.draggingWidget != null) {
|
||||
if (dragState.draggingWidget is PhantomWidget) {
|
||||
dragSpace = dragState.draggingWidget!;
|
||||
} else {
|
||||
dragSpace = PhantomWidget(
|
||||
opacity: widget.config.draggingWidgetOpacity,
|
||||
child: dragState.draggingWidget,
|
||||
);
|
||||
}
|
||||
} else {
|
||||
dragSpace = SizedBox.fromSize(size: dragState.dropAreaSize);
|
||||
}
|
||||
|
||||
/// Return the dragTarget it is not start dragging. The size of the
|
||||
/// dragTarget is the same as the the passed in child.
|
||||
///
|
||||
if (dragState.isNotDragging()) {
|
||||
return _buildDraggingContainer(children: [dragTarget]);
|
||||
}
|
||||
|
||||
/// Determine the size of the drop area to show under the dragging widget.
|
||||
final feedbackSize = dragState.feedbackSize;
|
||||
Widget appearSpace = _makeAppearSpace(dragSpace, feedbackSize);
|
||||
Widget disappearSpace = _makeDisappearSpace(dragSpace, feedbackSize);
|
||||
|
||||
/// When start dragging, the dragTarget, [BoardDragTarget], will
|
||||
/// return a [IgnorePointerWidget] which size is zero.
|
||||
if (dragState.isPhantomAboveDragTarget()) {
|
||||
//the phantom is moving down, i.e. the tile below the phantom is moving up
|
||||
Log.trace('index:$childIndex item moving up / phantom moving down');
|
||||
if (shiftedIndex == currentIndex && childIndex == dragPhantomIndex) {
|
||||
return _buildDraggingContainer(children: [
|
||||
disappearSpace,
|
||||
dragTarget,
|
||||
appearSpace,
|
||||
]);
|
||||
} else if (shiftedIndex == currentIndex) {
|
||||
return _buildDraggingContainer(children: [
|
||||
dragTarget,
|
||||
appearSpace,
|
||||
]);
|
||||
} else if (childIndex == dragPhantomIndex) {
|
||||
return _buildDraggingContainer(
|
||||
children: shiftedIndex <= childIndex
|
||||
? [dragTarget, disappearSpace]
|
||||
: [disappearSpace, dragTarget]);
|
||||
}
|
||||
}
|
||||
|
||||
///
|
||||
if (dragState.isPhantomBelowDragTarget()) {
|
||||
//the phantom is moving up, i.e. the tile above the phantom is moving down
|
||||
Log.trace('index:$childIndex item moving down / phantom moving up');
|
||||
if (shiftedIndex == currentIndex && childIndex == dragPhantomIndex) {
|
||||
return _buildDraggingContainer(children: [
|
||||
appearSpace,
|
||||
dragTarget,
|
||||
disappearSpace,
|
||||
]);
|
||||
} else if (shiftedIndex == currentIndex) {
|
||||
return _buildDraggingContainer(children: [
|
||||
appearSpace,
|
||||
dragTarget,
|
||||
]);
|
||||
} else if (childIndex == dragPhantomIndex) {
|
||||
return _buildDraggingContainer(
|
||||
children: shiftedIndex >= childIndex
|
||||
? [disappearSpace, dragTarget]
|
||||
: [dragTarget, disappearSpace]);
|
||||
}
|
||||
}
|
||||
|
||||
assert(!dragState.isOverlapWithPhantom());
|
||||
|
||||
List<Widget> children = [];
|
||||
if (dragState.isDragTargetMovingDown()) {
|
||||
children.addAll([dragTarget, appearSpace]);
|
||||
} else {
|
||||
children.addAll([appearSpace, dragTarget]);
|
||||
}
|
||||
return _buildDraggingContainer(children: children);
|
||||
}
|
||||
|
||||
/// We still wrap dragTarget with a container so that widget's depths are
|
||||
/// the same and it prevent's layout alignment issue
|
||||
return _buildDraggingContainer(children: [dragTarget]);
|
||||
});
|
||||
}
|
||||
|
||||
ReorderDragTarget _buildDragTarget(
|
||||
BuildContext builderContext, Widget child, int childIndex) {
|
||||
return ReorderDragTarget<FlexDragTargetData>(
|
||||
dragTargetData: FlexDragTargetData(
|
||||
draggingIndex: childIndex,
|
||||
state: dragState,
|
||||
draggingReorderFlex: widget,
|
||||
),
|
||||
onDragStarted: (draggingWidget, draggingIndex, size) {
|
||||
Log.debug("Column${widget.dataSource.identifier} start dragging");
|
||||
_startDragging(draggingWidget, draggingIndex, size);
|
||||
widget.onDragStarted?.call(draggingIndex);
|
||||
},
|
||||
onDragEnded: (dragTargetData) {
|
||||
Log.debug("Column${widget.dataSource.identifier} end dragging");
|
||||
|
||||
setState(() {
|
||||
_onReordered(
|
||||
dragState.dragStartIndex,
|
||||
dragState.currentIndex,
|
||||
);
|
||||
dragState.endDragging();
|
||||
widget.onDragEnded?.call();
|
||||
});
|
||||
},
|
||||
onWillAccept: (FlexDragTargetData dragTargetData) {
|
||||
Log.debug(
|
||||
'[$ReorderDragTarget] ${widget.dataSource.identifier} on will accept, count: ${widget.dataSource.items.length}');
|
||||
assert(widget.dataSource.items.length > childIndex);
|
||||
|
||||
if (_requestDragExtensionToHanlder(
|
||||
dragTargetData,
|
||||
(extension) {
|
||||
extension.onWillAccept(
|
||||
this,
|
||||
builderContext,
|
||||
dragTargetData,
|
||||
dragState.isDragging(),
|
||||
dragTargetData.draggingIndex,
|
||||
childIndex,
|
||||
);
|
||||
},
|
||||
)) {
|
||||
return true;
|
||||
} else {
|
||||
final dragIndex = dragTargetData.draggingIndex;
|
||||
return onWillAccept(builderContext, dragIndex, childIndex);
|
||||
}
|
||||
},
|
||||
onAccept: (dragTargetData) {
|
||||
_requestDragExtensionToHanlder(
|
||||
dragTargetData,
|
||||
(extension) => extension.onAccept(dragTargetData),
|
||||
);
|
||||
},
|
||||
onLeave: (dragTargetData) {
|
||||
_requestDragExtensionToHanlder(
|
||||
dragTargetData,
|
||||
(extension) => extension.onLeave(dragTargetData),
|
||||
);
|
||||
},
|
||||
draggableTargetBuilder:
|
||||
widget.dragTargetExtension?.draggableTargetBuilder,
|
||||
child: child,
|
||||
);
|
||||
}
|
||||
|
||||
bool _requestDragExtensionToHanlder(
|
||||
FlexDragTargetData dragTargetData,
|
||||
void Function(ReorderFlextDragTargetExtension) callback,
|
||||
) {
|
||||
final extension = widget.dragTargetExtension;
|
||||
if (extension != null && extension.canHandler(dragTargetData)) {
|
||||
callback(extension);
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
Widget _makeAppearSpace(Widget child, Size? feedbackSize) {
|
||||
return makeAppearingWidget(
|
||||
child,
|
||||
_dragAnimationController.entranceController,
|
||||
feedbackSize,
|
||||
widget.direction,
|
||||
);
|
||||
}
|
||||
|
||||
Widget _makeDisappearSpace(Widget child, Size? feedbackSize) {
|
||||
return makeDisappearingWidget(
|
||||
child,
|
||||
_dragAnimationController.phantomController,
|
||||
feedbackSize,
|
||||
widget.direction,
|
||||
);
|
||||
}
|
||||
|
||||
void _startDragging(
|
||||
Widget draggingWidget,
|
||||
int dragIndex,
|
||||
Size? feedbackSize,
|
||||
) {
|
||||
setState(() {
|
||||
dragState.startDragging(draggingWidget, dragIndex, feedbackSize);
|
||||
_dragAnimationController.startDargging();
|
||||
});
|
||||
}
|
||||
|
||||
bool onWillAccept(BuildContext context, int? dragIndex, int childIndex) {
|
||||
/// The [willAccept] will be true if the dargTarget is the widget that gets
|
||||
/// dragged and it is dragged on top of the other dragTargets.
|
||||
bool willAccept =
|
||||
dragState.dragStartIndex == dragIndex && dragIndex != childIndex;
|
||||
setState(() {
|
||||
if (willAccept) {
|
||||
int shiftedIndex = dragState.calculateShiftedIndex(childIndex);
|
||||
dragState.updateNextIndex(shiftedIndex);
|
||||
} else {
|
||||
dragState.updateNextIndex(childIndex);
|
||||
}
|
||||
|
||||
_requestAnimationToNextIndex(isAcceptingNewTarget: true);
|
||||
});
|
||||
|
||||
_scrollTo(context);
|
||||
|
||||
/// If the target is not the original starting point, then we will accept the drop.
|
||||
return willAccept;
|
||||
}
|
||||
|
||||
void _onReordered(int fromIndex, int toIndex) {
|
||||
if (fromIndex != toIndex) {
|
||||
widget.onReorder.call(fromIndex, toIndex);
|
||||
}
|
||||
|
||||
_dragAnimationController.reverseAnimation();
|
||||
}
|
||||
|
||||
Widget _wrapScrollView({required Widget child}) {
|
||||
if (widget.scrollController != null &&
|
||||
PrimaryScrollController.of(context) == null) {
|
||||
return child;
|
||||
} else {
|
||||
return SingleChildScrollView(
|
||||
scrollDirection: widget.direction,
|
||||
padding: widget.padding,
|
||||
controller: _scrollController,
|
||||
child: child,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
Widget _wrapContainer(List<Widget> children) {
|
||||
switch (widget.direction) {
|
||||
case Axis.horizontal:
|
||||
return Row(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
mainAxisAlignment: widget.mainAxisAlignment,
|
||||
children: children,
|
||||
);
|
||||
case Axis.vertical:
|
||||
default:
|
||||
return Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
mainAxisAlignment: widget.mainAxisAlignment,
|
||||
children: children,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
Widget _buildDraggingContainer({required List<Widget> children}) {
|
||||
switch (widget.direction) {
|
||||
case Axis.horizontal:
|
||||
return Row(
|
||||
mainAxisSize: MainAxisSize.min,
|
||||
mainAxisAlignment: MainAxisAlignment.start,
|
||||
children: children,
|
||||
);
|
||||
case Axis.vertical:
|
||||
default:
|
||||
return Column(
|
||||
mainAxisSize: MainAxisSize.min,
|
||||
mainAxisAlignment: MainAxisAlignment.start,
|
||||
children: children,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
// Scrolls to a target context if that context is not on the screen.
|
||||
void _scrollTo(BuildContext context) {
|
||||
if (_scrolling) return;
|
||||
final RenderObject contextObject = context.findRenderObject()!;
|
||||
final RenderAbstractViewport viewport =
|
||||
RenderAbstractViewport.of(contextObject)!;
|
||||
// If and only if the current scroll offset falls in-between the offsets
|
||||
// necessary to reveal the selected context at the top or bottom of the
|
||||
// screen, then it is already on-screen.
|
||||
final double margin = widget.direction == Axis.horizontal
|
||||
? dragState.dropAreaSize.width
|
||||
: dragState.dropAreaSize.height;
|
||||
if (_scrollController.hasClients) {
|
||||
final double scrollOffset = _scrollController.offset;
|
||||
final double topOffset = max(
|
||||
_scrollController.position.minScrollExtent,
|
||||
viewport.getOffsetToReveal(contextObject, 0.0).offset - margin,
|
||||
);
|
||||
final double bottomOffset = min(
|
||||
_scrollController.position.maxScrollExtent,
|
||||
viewport.getOffsetToReveal(contextObject, 1.0).offset + margin,
|
||||
);
|
||||
final bool onScreen =
|
||||
scrollOffset <= topOffset && scrollOffset >= bottomOffset;
|
||||
|
||||
// If the context is off screen, then we request a scroll to make it visible.
|
||||
if (!onScreen) {
|
||||
_scrolling = true;
|
||||
_scrollController.position
|
||||
.animateTo(
|
||||
scrollOffset < bottomOffset ? bottomOffset : topOffset,
|
||||
duration: _dragAnimationController.scrollAnimationDuration,
|
||||
curve: Curves.easeInOut,
|
||||
)
|
||||
.then((void value) {
|
||||
setState(() {
|
||||
_scrolling = false;
|
||||
});
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,78 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
import '../../utils/log.dart';
|
||||
import 'drag_state.dart';
|
||||
import 'drag_target.dart';
|
||||
import 'reorder_flex.dart';
|
||||
|
||||
abstract class DragTargetExtensionDelegate {
|
||||
bool acceptNewDragTargetData(
|
||||
String columnId,
|
||||
FlexDragTargetData dragTargetData,
|
||||
int index,
|
||||
);
|
||||
void updateDragTargetData(
|
||||
String columnId,
|
||||
FlexDragTargetData dragTargetData,
|
||||
int index,
|
||||
);
|
||||
}
|
||||
|
||||
class ReorderFlextDragTargetExtension {
|
||||
final String reorderFlexId;
|
||||
final List<String> acceptReorderFlexIds;
|
||||
final DragTargetExtensionDelegate delegate;
|
||||
final ReorderDraggableTargetBuilder? draggableTargetBuilder;
|
||||
|
||||
ReorderFlextDragTargetExtension({
|
||||
required this.reorderFlexId,
|
||||
required this.delegate,
|
||||
required this.acceptReorderFlexIds,
|
||||
this.draggableTargetBuilder,
|
||||
});
|
||||
|
||||
bool canHandler(FlexDragTargetData dragTargetData) {
|
||||
/// If the columnId equal to the dragTargetData's columnId,
|
||||
/// it means the dragTarget is dragging on the top of its own list.
|
||||
/// Otherwise, it means the dargTarget was moved to another list.
|
||||
///
|
||||
if (!acceptReorderFlexIds.contains(dragTargetData.reorderFlexId)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return reorderFlexId != dragTargetData.reorderFlexId;
|
||||
}
|
||||
|
||||
bool onWillAccept(
|
||||
ReorderFlexState reorderFlexState,
|
||||
BuildContext context,
|
||||
FlexDragTargetData dragTargetData,
|
||||
bool isDragging,
|
||||
int dragIndex,
|
||||
int itemIndex,
|
||||
) {
|
||||
final isNewDragTarget = delegate.acceptNewDragTargetData(
|
||||
reorderFlexId, dragTargetData, itemIndex);
|
||||
|
||||
if (isNewDragTarget == false) {
|
||||
delegate.updateDragTargetData(reorderFlexId, dragTargetData, itemIndex);
|
||||
reorderFlexState.onWillAccept(context, dragIndex, itemIndex);
|
||||
} else {
|
||||
Log.debug(
|
||||
'[$ReorderFlextDragTargetExtension] move Column${dragTargetData.reorderFlexId}:${dragTargetData.draggingIndex} '
|
||||
'to Column$reorderFlexId:$itemIndex');
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void onAccept(FlexDragTargetData dragTargetData) {
|
||||
Log.trace(
|
||||
'[$ReorderFlextDragTargetExtension] Column$reorderFlexId on onAccept');
|
||||
}
|
||||
|
||||
void onLeave(FlexDragTargetData dragTargetData) {
|
||||
Log.trace(
|
||||
'[$ReorderFlextDragTargetExtension] Column$reorderFlexId on leave');
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,65 @@
|
||||
import 'package:flutter/widgets.dart';
|
||||
|
||||
import '../transitions.dart';
|
||||
|
||||
mixin ReorderFlexMinxi {
|
||||
@protected
|
||||
Widget makeAppearingWidget(
|
||||
Widget child,
|
||||
AnimationController entranceController,
|
||||
Size? draggingFeedbackSize,
|
||||
Axis direction,
|
||||
) {
|
||||
if (null == draggingFeedbackSize) {
|
||||
return SizeTransitionWithIntrinsicSize(
|
||||
sizeFactor: entranceController,
|
||||
axis: direction,
|
||||
child: FadeTransition(
|
||||
opacity: entranceController,
|
||||
child: child,
|
||||
),
|
||||
);
|
||||
} else {
|
||||
var transition = SizeTransition(
|
||||
sizeFactor: entranceController,
|
||||
axis: direction,
|
||||
child: FadeTransition(opacity: entranceController, child: child),
|
||||
);
|
||||
|
||||
BoxConstraints contentSizeConstraints =
|
||||
BoxConstraints.loose(draggingFeedbackSize);
|
||||
return ConstrainedBox(
|
||||
constraints: contentSizeConstraints, child: transition);
|
||||
}
|
||||
}
|
||||
|
||||
@protected
|
||||
Widget makeDisappearingWidget(
|
||||
Widget child,
|
||||
AnimationController phantomController,
|
||||
Size? draggingFeedbackSize,
|
||||
Axis direction,
|
||||
) {
|
||||
if (null == draggingFeedbackSize) {
|
||||
return SizeTransitionWithIntrinsicSize(
|
||||
sizeFactor: phantomController,
|
||||
axis: direction,
|
||||
child: FadeTransition(
|
||||
opacity: phantomController,
|
||||
child: child,
|
||||
),
|
||||
);
|
||||
} else {
|
||||
var transition = SizeTransition(
|
||||
sizeFactor: phantomController,
|
||||
axis: direction,
|
||||
child: FadeTransition(opacity: phantomController, child: child),
|
||||
);
|
||||
|
||||
BoxConstraints contentSizeConstraints =
|
||||
BoxConstraints.loose(draggingFeedbackSize);
|
||||
return ConstrainedBox(
|
||||
constraints: contentSizeConstraints, child: transition);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,338 @@
|
||||
import 'package:flutter/material.dart';
|
||||
import '../../../flowy_board.dart';
|
||||
import '../../utils/log.dart';
|
||||
import '../flex/drag_state.dart';
|
||||
import '../flex/drag_target.dart';
|
||||
import '../flex/reorder_flex_ext.dart';
|
||||
import 'phantom_state.dart';
|
||||
|
||||
abstract class BoardPhantomControllerDelegate {
|
||||
BoardColumnDataController? controller(String columnId);
|
||||
}
|
||||
|
||||
mixin ColumnDataPhantomMixim {
|
||||
BoardColumnDataController? get;
|
||||
}
|
||||
|
||||
class BoardPhantomController extends DragTargetExtensionDelegate {
|
||||
final BoardPhantomControllerDelegate delegate;
|
||||
|
||||
PhantomRecord? phantomRecord;
|
||||
|
||||
final columnsState = ColumnPassthroughStateController();
|
||||
|
||||
BoardPhantomController({required this.delegate});
|
||||
|
||||
bool get hasPhantom => phantomRecord != null;
|
||||
|
||||
bool isFromColumn(String columnId) {
|
||||
if (phantomRecord != null) {
|
||||
return phantomRecord!.fromColumnId == columnId;
|
||||
} else {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
void transformIndex(int fromIndex, int toIndex) {
|
||||
if (phantomRecord == null) {
|
||||
return;
|
||||
}
|
||||
assert(phantomRecord!.fromColumnIndex == fromIndex);
|
||||
phantomRecord?.updateFromColumnIndex(toIndex);
|
||||
}
|
||||
|
||||
void columnStartDragging(String columnId) {
|
||||
columnsState.setColumnIsDragging(columnId, false);
|
||||
}
|
||||
|
||||
void columnEndDragging(String columnId) {
|
||||
columnsState.setColumnIsDragging(columnId, true);
|
||||
if (phantomRecord != null) {
|
||||
if (phantomRecord!.fromColumnId == columnId) {
|
||||
columnsState.notifyDidRemovePhantom(phantomRecord!.toColumnId);
|
||||
}
|
||||
}
|
||||
_swapColumnData();
|
||||
}
|
||||
|
||||
void _swapColumnData() {
|
||||
if (phantomRecord == null) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (columnsState.isDragging(phantomRecord!.fromColumnId) == false) {
|
||||
return;
|
||||
}
|
||||
|
||||
Log.debug("[$BoardPhantomController] move ${phantomRecord.toString()}");
|
||||
|
||||
final item = delegate
|
||||
.controller(phantomRecord!.fromColumnId)
|
||||
?.removeAt(phantomRecord!.fromColumnIndex);
|
||||
|
||||
assert(item != null);
|
||||
assert(delegate
|
||||
.controller(phantomRecord!.toColumnId)
|
||||
?.items[phantomRecord!.toColumnIndex] is PhantomColumnItem);
|
||||
|
||||
delegate
|
||||
.controller(phantomRecord!.toColumnId)
|
||||
?.replace(phantomRecord!.toColumnIndex, item!);
|
||||
|
||||
phantomRecord = null;
|
||||
}
|
||||
|
||||
@override
|
||||
bool acceptNewDragTargetData(
|
||||
String columnId, FlexDragTargetData dragTargetData, int index) {
|
||||
if (phantomRecord == null) {
|
||||
_updatePhantomRecord(columnId, dragTargetData, index);
|
||||
_insertPhantom(columnId, dragTargetData, index);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
final isDifferentDragTarget = phantomRecord!.toColumnId != columnId;
|
||||
Log.debug(
|
||||
'[$BoardPhantomController] Set inserted column id: $columnId, different target: $isDifferentDragTarget');
|
||||
if (isDifferentDragTarget) {
|
||||
/// Remove the phantom in the previous column.
|
||||
_removePhantom(phantomRecord!.toColumnId);
|
||||
|
||||
/// Update the record and insert the phantom to new column.
|
||||
_updatePhantomRecord(columnId, dragTargetData, index);
|
||||
_insertPhantom(columnId, dragTargetData, index);
|
||||
}
|
||||
|
||||
return isDifferentDragTarget;
|
||||
}
|
||||
|
||||
@override
|
||||
void updateDragTargetData(
|
||||
String columnId, FlexDragTargetData dragTargetData, int index) {
|
||||
phantomRecord?.updateInsertedIndex(index);
|
||||
|
||||
assert(phantomRecord != null);
|
||||
if (phantomRecord!.toColumnId == columnId) {
|
||||
/// Update the existing phantom index
|
||||
_updatePhantom(phantomRecord!.toColumnId, dragTargetData, index);
|
||||
}
|
||||
}
|
||||
|
||||
void _updatePhantom(
|
||||
String toColumnId,
|
||||
FlexDragTargetData dragTargetData,
|
||||
int phantomIndex,
|
||||
) {
|
||||
final items = delegate.controller(toColumnId)?.items;
|
||||
if (items == null) {
|
||||
return;
|
||||
}
|
||||
|
||||
final index = items.indexWhere((item) => item.isPhantom);
|
||||
assert(index != -1);
|
||||
if (index != -1) {
|
||||
if (index != phantomIndex) {
|
||||
Log.debug(
|
||||
'[$BoardPhantomController] move phantom $toColumnId:$index to $toColumnId:$phantomIndex');
|
||||
final item = items.removeAt(index);
|
||||
items.insert(phantomIndex, item);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void _removePhantom(String columnId) {
|
||||
final items = delegate.controller(columnId)?.items;
|
||||
if (items == null) {
|
||||
return;
|
||||
}
|
||||
|
||||
final index = items.indexWhere((item) => item.isPhantom);
|
||||
assert(index != -1);
|
||||
if (index != -1) {
|
||||
items.removeAt(index);
|
||||
Log.debug(
|
||||
'[$BoardPhantomController] Column$columnId remove phantom, current count: ${items.length}');
|
||||
columnsState.notifyDidRemovePhantom(columnId);
|
||||
columnsState.removeColumnListener(columnId);
|
||||
}
|
||||
}
|
||||
|
||||
void _insertPhantom(
|
||||
String toColumnId,
|
||||
FlexDragTargetData dragTargetData,
|
||||
int phantomIndex,
|
||||
) {
|
||||
final items = delegate.controller(toColumnId)?.items;
|
||||
if (items == null) {
|
||||
return;
|
||||
}
|
||||
|
||||
final phantomContext = PassthroughPhantomContext(
|
||||
index: phantomIndex,
|
||||
dragTargetData: dragTargetData,
|
||||
);
|
||||
columnsState.addColumnListener(toColumnId, phantomContext);
|
||||
|
||||
Log.debug(
|
||||
'[$BoardPhantomController] Column$toColumnId insert phantom at $phantomIndex');
|
||||
delegate
|
||||
.controller(toColumnId)
|
||||
?.insert(phantomIndex, PhantomColumnItem(phantomContext));
|
||||
|
||||
WidgetsBinding.instance.addPostFrameCallback((_) {
|
||||
Future.delayed(const Duration(microseconds: 100), () {
|
||||
columnsState.notifyDidInsertPhantom(toColumnId);
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
void _updatePhantomRecord(
|
||||
String columnId,
|
||||
FlexDragTargetData dragTargetData,
|
||||
int index,
|
||||
) {
|
||||
phantomRecord = PhantomRecord(
|
||||
toColumnId: columnId,
|
||||
toColumnIndex: index,
|
||||
item: dragTargetData.columnItem as ColumnItem,
|
||||
fromColumnId: dragTargetData.reorderFlexId,
|
||||
fromColumnIndex: dragTargetData.draggingIndex,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class PhantomRecord {
|
||||
final ColumnItem item;
|
||||
final String fromColumnId;
|
||||
int fromColumnIndex;
|
||||
|
||||
final String toColumnId;
|
||||
int toColumnIndex;
|
||||
|
||||
PhantomRecord({
|
||||
required this.item,
|
||||
required this.toColumnId,
|
||||
required this.toColumnIndex,
|
||||
required this.fromColumnId,
|
||||
required this.fromColumnIndex,
|
||||
});
|
||||
|
||||
void updateFromColumnIndex(int index) {
|
||||
if (fromColumnIndex == index) {
|
||||
return;
|
||||
}
|
||||
Log.info(
|
||||
'[$PhantomRecord] Update Column$fromColumnId remove position to $index');
|
||||
fromColumnIndex = index;
|
||||
}
|
||||
|
||||
void updateInsertedIndex(int index) {
|
||||
if (toColumnIndex == index) {
|
||||
return;
|
||||
}
|
||||
|
||||
Log.info(
|
||||
'[$PhantomRecord] Update Column$toColumnId phantom position to $index');
|
||||
toColumnIndex = index;
|
||||
}
|
||||
|
||||
@override
|
||||
String toString() {
|
||||
return '$fromColumnId:$fromColumnIndex to $toColumnId:$toColumnIndex';
|
||||
}
|
||||
}
|
||||
|
||||
class PhantomColumnItem extends ColumnItem {
|
||||
final PassthroughPhantomContext phantomContext;
|
||||
|
||||
PhantomColumnItem(PassthroughPhantomContext insertedPhantom)
|
||||
: phantomContext = insertedPhantom;
|
||||
|
||||
@override
|
||||
bool get isPhantom => true;
|
||||
|
||||
@override
|
||||
String get id => phantomContext.itemData.id;
|
||||
|
||||
Size? get feedbackSize => phantomContext.feedbackSize;
|
||||
|
||||
Widget get draggingWidget => phantomContext.draggingWidget == null
|
||||
? const SizedBox()
|
||||
: phantomContext.draggingWidget!;
|
||||
}
|
||||
|
||||
class PassthroughPhantomContext extends FakeDragTargetEventTrigger
|
||||
with FakeDragTargetEventData, PassthroughPhantomListener {
|
||||
@override
|
||||
int index;
|
||||
|
||||
@override
|
||||
final FlexDragTargetData dragTargetData;
|
||||
|
||||
@override
|
||||
Size? get feedbackSize => dragTargetData.state.feedbackSize;
|
||||
|
||||
Widget? get draggingWidget => dragTargetData.draggingWidget;
|
||||
|
||||
ColumnItem get itemData => dragTargetData.columnItem as ColumnItem;
|
||||
|
||||
@override
|
||||
VoidCallback? onInserted;
|
||||
|
||||
@override
|
||||
VoidCallback? onDragEnded;
|
||||
|
||||
PassthroughPhantomContext({
|
||||
required this.index,
|
||||
required this.dragTargetData,
|
||||
});
|
||||
|
||||
@override
|
||||
void fakeOnDragEnded(VoidCallback callback) {
|
||||
onDragEnded = callback;
|
||||
}
|
||||
|
||||
@override
|
||||
void fakeOnDragStarted(VoidCallback callback) {
|
||||
onInserted = callback;
|
||||
}
|
||||
}
|
||||
|
||||
class PassthroughPhantomWidget extends PhantomWidget {
|
||||
final PassthroughPhantomContext passthroughPhantomContext;
|
||||
|
||||
PassthroughPhantomWidget({
|
||||
required double opacity,
|
||||
required this.passthroughPhantomContext,
|
||||
Key? key,
|
||||
}) : super(
|
||||
child: passthroughPhantomContext.draggingWidget,
|
||||
opacity: opacity,
|
||||
key: key,
|
||||
);
|
||||
}
|
||||
|
||||
class PhantomReorderDraggableBuilder extends ReorderDraggableTargetBuilder {
|
||||
@override
|
||||
Widget? build<T extends DragTargetData>(
|
||||
BuildContext context,
|
||||
Widget child,
|
||||
DragTargetOnStarted onDragStarted,
|
||||
DragTargetOnEnded<T> onDragEnded,
|
||||
DragTargetWillAccpet<T> onWillAccept,
|
||||
) {
|
||||
if (child is PassthroughPhantomWidget) {
|
||||
return FakeDragTarget<T>(
|
||||
eventTrigger: child.passthroughPhantomContext,
|
||||
eventData: child.passthroughPhantomContext,
|
||||
onDragStarted: onDragStarted,
|
||||
onDragEnded: onDragEnded,
|
||||
onWillAccept: onWillAccept,
|
||||
child: child,
|
||||
);
|
||||
} else {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,109 @@
|
||||
import 'phantom_controller.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
class ColumnPassthroughStateController {
|
||||
final _states = <String, ColumnPassthrougPhantomhState>{};
|
||||
|
||||
void setColumnIsDragging(String columnId, bool isDragging) {
|
||||
_stateWithId(columnId).isDragging = isDragging;
|
||||
}
|
||||
|
||||
bool isDragging(String columnId) {
|
||||
return _stateWithId(columnId).isDragging;
|
||||
}
|
||||
|
||||
void addColumnListener(String columnId, PassthroughPhantomListener listener) {
|
||||
_stateWithId(columnId).notifier.addListener(
|
||||
onInserted: (c) => listener.onInserted?.call(),
|
||||
onDeleted: () => listener.onDragEnded?.call(),
|
||||
);
|
||||
}
|
||||
|
||||
void removeColumnListener(String columnId) {
|
||||
_stateWithId(columnId).notifier.dispose();
|
||||
_states.remove(columnId);
|
||||
}
|
||||
|
||||
void notifyDidInsertPhantom(String columnId) {
|
||||
_stateWithId(columnId).notifier.insert();
|
||||
}
|
||||
|
||||
void notifyDidRemovePhantom(String columnId) {
|
||||
_stateWithId(columnId).notifier.remove();
|
||||
}
|
||||
|
||||
ColumnPassthrougPhantomhState _stateWithId(String columnId) {
|
||||
var state = _states[columnId];
|
||||
if (state == null) {
|
||||
state = ColumnPassthrougPhantomhState();
|
||||
_states[columnId] = state;
|
||||
}
|
||||
return state;
|
||||
}
|
||||
}
|
||||
|
||||
class ColumnPassthrougPhantomhState {
|
||||
bool isDragging = false;
|
||||
final notifier = PassthroughPhantomNotifier();
|
||||
}
|
||||
|
||||
abstract class PassthroughPhantomListener {
|
||||
VoidCallback? get onInserted;
|
||||
VoidCallback? get onDragEnded;
|
||||
}
|
||||
|
||||
class PassthroughPhantomNotifier {
|
||||
final insertNotifier = PhantomInsertNotifier();
|
||||
|
||||
final removeNotifier = PhantomDeleteNotifier();
|
||||
|
||||
void insert() {
|
||||
insertNotifier.insert();
|
||||
}
|
||||
|
||||
void remove() {
|
||||
removeNotifier.remove();
|
||||
}
|
||||
|
||||
void addListener({
|
||||
void Function(PassthroughPhantomContext? insertedPhantom)? onInserted,
|
||||
void Function()? onDeleted,
|
||||
}) {
|
||||
if (onInserted != null) {
|
||||
insertNotifier.addListener(() {
|
||||
onInserted(insertNotifier.insertedPhantom);
|
||||
});
|
||||
}
|
||||
|
||||
if (onDeleted != null) {
|
||||
removeNotifier.addListener(() {
|
||||
onDeleted();
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
void dispose() {
|
||||
insertNotifier.dispose();
|
||||
removeNotifier.dispose();
|
||||
}
|
||||
}
|
||||
|
||||
class PhantomInsertNotifier extends ChangeNotifier {
|
||||
PassthroughPhantomContext? insertedPhantom;
|
||||
|
||||
void insert() {
|
||||
notifyListeners();
|
||||
}
|
||||
}
|
||||
|
||||
class PhantomDeleteNotifier extends ChangeNotifier {
|
||||
// int deletedIndex = -1;
|
||||
|
||||
void remove() {
|
||||
// if (this.deletedIndex != deletedIndex) {
|
||||
// this.deletedIndex = deletedIndex;
|
||||
// notifyListeners();
|
||||
// }
|
||||
notifyListeners();
|
||||
}
|
||||
}
|
||||
@ -4,13 +4,15 @@ version: 0.0.1
|
||||
homepage:
|
||||
|
||||
environment:
|
||||
sdk: ">=2.17.6 <3.0.0"
|
||||
sdk: ">=2.17.1 <3.0.0"
|
||||
flutter: ">=2.5.0"
|
||||
|
||||
dependencies:
|
||||
flutter:
|
||||
sdk: flutter
|
||||
plugin_platform_interface: ^2.0.2
|
||||
equatable: ^2.0.3
|
||||
provider: ^6.0.1
|
||||
|
||||
dev_dependencies:
|
||||
flutter_test:
|
||||
|
||||
@ -1,24 +0,0 @@
|
||||
import 'package:flutter/services.dart';
|
||||
import 'package:flutter_test/flutter_test.dart';
|
||||
import 'package:flowy_board/flowy_board_method_channel.dart';
|
||||
|
||||
void main() {
|
||||
MethodChannelFlowyBoard platform = MethodChannelFlowyBoard();
|
||||
const MethodChannel channel = MethodChannel('flowy_board');
|
||||
|
||||
TestWidgetsFlutterBinding.ensureInitialized();
|
||||
|
||||
setUp(() {
|
||||
channel.setMockMethodCallHandler((MethodCall methodCall) async {
|
||||
return '42';
|
||||
});
|
||||
});
|
||||
|
||||
tearDown(() {
|
||||
channel.setMockMethodCallHandler(null);
|
||||
});
|
||||
|
||||
test('getPlatformVersion', () async {
|
||||
expect(await platform.getPlatformVersion(), '42');
|
||||
});
|
||||
}
|
||||
@ -1,29 +0,0 @@
|
||||
import 'package:flutter_test/flutter_test.dart';
|
||||
import 'package:flowy_board/flowy_board.dart';
|
||||
import 'package:flowy_board/flowy_board_platform_interface.dart';
|
||||
import 'package:flowy_board/flowy_board_method_channel.dart';
|
||||
import 'package:plugin_platform_interface/plugin_platform_interface.dart';
|
||||
|
||||
class MockFlowyBoardPlatform
|
||||
with MockPlatformInterfaceMixin
|
||||
implements FlowyBoardPlatform {
|
||||
|
||||
@override
|
||||
Future<String?> getPlatformVersion() => Future.value('42');
|
||||
}
|
||||
|
||||
void main() {
|
||||
final FlowyBoardPlatform initialPlatform = FlowyBoardPlatform.instance;
|
||||
|
||||
test('$MethodChannelFlowyBoard is the default instance', () {
|
||||
expect(initialPlatform, isInstanceOf<MethodChannelFlowyBoard>());
|
||||
});
|
||||
|
||||
test('getPlatformVersion', () async {
|
||||
FlowyBoard flowyBoardPlugin = FlowyBoard();
|
||||
MockFlowyBoardPlatform fakePlatform = MockFlowyBoardPlatform();
|
||||
FlowyBoardPlatform.instance = fakePlatform;
|
||||
|
||||
expect(await flowyBoardPlugin.getPlatformVersion(), '42');
|
||||
});
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user