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feat: Add node validator and update op methods

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This commit is contained in:
Lucas.Xu 2022-07-14 13:59:05 +08:00
parent 00c628437d
commit 6eb347a096
7 changed files with 120 additions and 99 deletions
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50
frontend/app_flowy/packages/flowy_editor/example/lib/main.dart
View File

@ -31,7 +31,7 @@ class MyApp extends StatelessWidget {
// is not restarted.
primarySwatch: Colors.blue,
),
home: const MyHomePage(title: 'Flutter Demo Home Page'),
home: const MyHomePage(title: 'FlowyEditor Example'),
);
}
}
@ -83,23 +83,37 @@ class _MyHomePageState extends State<MyHomePage> {
// the App.build method, and use it to set our appbar title.
title: Text(widget.title),
),
body: FutureBuilder<String>(
future: rootBundle.loadString('assets/document.json'),
builder: (context, snapshot) {
if (!snapshot.hasData) {
return const Center(
child: CircularProgressIndicator(),
);
} else {
final data = Map<String, Object>.from(json.decode(snapshot.data!));
final document = StateTree.fromJson(data);
final editorState = EditorState(
document: document,
renderPlugins: renderPlugins,
);
return editorState.build(context);
}
},
body: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
FutureBuilder<String>(
future: rootBundle.loadString('assets/document.json'),
builder: (context, snapshot) {
if (!snapshot.hasData) {
return const Center(
child: CircularProgressIndicator(),
);
} else {
final data =
Map<String, Object>.from(json.decode(snapshot.data!));
final document = StateTree.fromJson(data);
print(document.root.toString());
final editorState = EditorState(
document: document,
renderPlugins: renderPlugins,
);
return editorState.build(context);
}
},
),
SizedBox(
height: 50,
width: MediaQuery.of(context).size.width,
child: Container(
color: Colors.red,
),
)
],
),
);
}

14
frontend/app_flowy/packages/flowy_editor/example/lib/plugin/image_node_widget.dart
View File

@ -39,16 +39,10 @@ class _ImageNodeWidget extends StatelessWidget {
),
),
onTap: () {
editorState.update(
node,
Attributes.from(node.attributes)
..addAll(
{
'image_src':
"https://images.pexels.com/photos/9995076/pexels-photo-9995076.png?cs=srgb&dl=pexels-temmuz-uzun-9995076.jpg&fm=jpg&w=640&h=400",
},
),
);
editorState.update(node, {
'image_src':
"https://images.pexels.com/photos/9995076/pexels-photo-9995076.png?cs=srgb&dl=pexels-temmuz-uzun-9995076.jpg&fm=jpg&w=640&h=400"
});
},
);
}

82
frontend/app_flowy/packages/flowy_editor/example/lib/plugin/text_node_widget.dart
View File

@ -7,7 +7,11 @@ class TextNodeBuilder extends NodeWidgetBuilder {
TextNodeBuilder.create({
required super.node,
required super.editorState,
}) : super.create();
}) : super.create() {
nodeValidator = ((node) {
return node.type == 'text' && node.attributes.containsKey('content');
});
}
String get content => node.attributes['content'] as String;
@ -51,41 +55,35 @@ class __TextNodeWidgetState extends State<_TextNodeWidget>
@override
Widget build(BuildContext context) {
final editableRichText = ChangeNotifierProvider.value(
return ChangeNotifierProvider.value(
value: node,
builder: (_, __) => Consumer<Node>(
builder: ((context, value, child) => SelectableText.rich(
TextSpan(
text: content,
style: node.attributes.toTextStyle(),
),
onTap: () {
_textInputConnection?.close();
_textInputConnection = TextInput.attach(
this,
const TextInputConfiguration(
enableDeltaModel: false,
inputType: TextInputType.multiline,
textCapitalization: TextCapitalization.sentences,
),
);
_textInputConnection
?..show()
..setEditingState(textEditingValue);
},
)),
),
);
final child = Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
editableRichText,
if (node.children.isNotEmpty)
Column(
builder: ((context, value, child) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: node.children
.map(
children: [
SelectableText.rich(
TextSpan(
text: content,
style: node.attributes.toTextStyle(),
),
onTap: () {
_textInputConnection?.close();
_textInputConnection = TextInput.attach(
this,
const TextInputConfiguration(
enableDeltaModel: false,
inputType: TextInputType.multiline,
textCapitalization: TextCapitalization.sentences,
),
);
_textInputConnection
?..show()
..setEditingState(textEditingValue);
},
),
if (node.children.isNotEmpty)
...node.children.map(
(e) => editorState.renderPlugins.buildWidget(
context: NodeWidgetContext(
buildContext: context,
@ -94,11 +92,11 @@ class __TextNodeWidgetState extends State<_TextNodeWidget>
),
),
)
.toList(),
),
],
],
);
}),
),
);
return child;
}
@override
@ -147,15 +145,7 @@ class __TextNodeWidgetState extends State<_TextNodeWidget>
@override
void updateEditingValue(TextEditingValue value) {
debugPrint(value.text);
editorState.update(
node,
Attributes.from(node.attributes)
..addAll(
{
'content': value.text,
},
),
);
editorState.update(node, {'content': value.text});
}
@override

36
frontend/app_flowy/packages/flowy_editor/lib/document/node.dart
View File

@ -19,6 +19,8 @@ class Node extends ChangeNotifier with LinkedListEntry<Node> {
return null;
}
Path get path => _path();
Node({
required this.type,
required this.children,
@ -66,7 +68,7 @@ class Node extends ChangeNotifier with LinkedListEntry<Node> {
}
// Notify the new attributes
notifyListeners();
parent?.notifyListeners();
}
Node? childAtIndex(int index) {
@ -85,20 +87,6 @@ class Node extends ChangeNotifier with LinkedListEntry<Node> {
return childAtIndex(path.first)?.childAtPath(path.sublist(1));
}
Path path([Path previous = const []]) {
if (parent == null) {
return previous;
}
var index = 0;
for (var child in parent!.children) {
if (child == this) {
break;
}
index += 1;
}
return parent!.path([index, ...previous]);
}
@override
void insertAfter(Node entry) {
entry.parent = parent;
@ -119,8 +107,10 @@ class Node extends ChangeNotifier with LinkedListEntry<Node> {
@override
void unlink() {
parent = null;
super.unlink();
parent?.notifyListeners();
parent = null;
}
Map<String, Object> toJson() {
@ -135,4 +125,18 @@ class Node extends ChangeNotifier with LinkedListEntry<Node> {
}
return map;
}
Path _path([Path previous = const []]) {
if (parent == null) {
return previous;
}
var index = 0;
for (var child in parent!.children) {
if (child == this) {
break;
}
index += 1;
}
return parent!._path([index, ...previous]);
}
}

21
frontend/app_flowy/packages/flowy_editor/lib/editor_state.dart
View File

@ -36,18 +36,25 @@ class EditorState {
}
// TODO: move to a better place.
void update(
Node node,
Attributes attributes,
) {
void update(Node node, Attributes attributes) {
_applyOperation(UpdateOperation(
path: node.path(),
attributes: attributes,
path: node.path,
attributes: Attributes.from(attributes)..addAll(attributes),
oldAttributes: node.attributes,
));
}
_applyOperation(Operation op) {
// TODO: move to a better place.
void delete(Node node) {
_applyOperation(
DeleteOperation(
path: node.path,
removedValue: node,
),
);
}
void _applyOperation(Operation op) {
if (op is InsertOperation) {
document.insert(op.path, op.value);
} else if (op is UpdateOperation) {

14
frontend/app_flowy/packages/flowy_editor/lib/render/node_widget_builder.dart
View File

@ -3,9 +3,12 @@ import 'package:flowy_editor/document/node.dart';
import 'package:flowy_editor/render/render_plugins.dart';
import 'package:flutter/material.dart';
typedef NodeValidator<T extends Node> = bool Function(T node);
class NodeWidgetBuilder<T extends Node> {
final EditorState editorState;
final T node;
NodeValidator<T>? nodeValidator;
RenderPlugins get renderPlugins => editorState.renderPlugins;
@ -18,5 +21,14 @@ class NodeWidgetBuilder<T extends Node> {
/// and the layout style of [Node.Children].
Widget build(BuildContext buildContext) => throw UnimplementedError();
Widget call(BuildContext buildContext) => build(buildContext);
Widget call(BuildContext buildContext) {
/// TODO: Validate the node
/// if failed, stop call build function,
/// return Empty widget, and throw Error.
if (nodeValidator != null && nodeValidator!(node) != true) {
throw Exception(
'Node validate failure, node = { type: ${node.type}, attributes: ${node.attributes} }');
}
return build(buildContext);
}
}

2
frontend/app_flowy/packages/flowy_editor/test/flowy_editor_test.dart
View File

@ -39,7 +39,7 @@ void main() {
expect(checkBoxNode != null, true);
final textType = checkBoxNode!.attributes['text-type'];
expect(textType != null, true);
final path = checkBoxNode.path([]);
final path = checkBoxNode.path;
expect(pathEquals(path, [1, 0]), true);
});