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ChecklistEditor: Implement proper focus handling

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Now the checklist editor is finally usable.
This commit is contained in:
Vishesh Handa
2020-02-17 01:27:40 +01:00
parent 4f5c44812f
commit b5b8639edd
1 changed files with 22 additions and 14 deletions
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36
lib/editors/checklist_editor.dart
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@ -1,6 +1,7 @@
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:gitjournal/core/checklist.dart';
import 'package:gitjournal/core/note.dart';
@ -42,7 +43,7 @@ class ChecklistEditor extends StatefulWidget implements Editor {
class ChecklistEditorState extends State<ChecklistEditor>
implements EditorState {
Checklist checklist;
var focusNodes = <ChecklistItem, FocusNode>{};
var focusNodes = <ChecklistItem, FocusScopeNode>{};
TextEditingController _titleTextController = TextEditingController();
ChecklistEditorState(Note note) {
@ -59,13 +60,15 @@ class ChecklistEditorState extends State<ChecklistEditor>
}
for (var item in checklist.items) {
focusNodes[item] = FocusNode();
focusNodes[item] = FocusScopeNode();
}
}
@override
void dispose() {
_titleTextController.dispose();
focusNodes.values.forEach((fn) => fn.dispose());
super.dispose();
}
@ -80,7 +83,7 @@ class ChecklistEditorState extends State<ChecklistEditor>
key: UniqueKey(),
onPressed: () {
setState(() {
var fn = FocusNode();
var fn = FocusScopeNode();
var item = checklist.buildItem(false, "");
checklist.addItem(item);
focusNodes[item] = fn;
@ -117,7 +120,10 @@ class ChecklistEditorState extends State<ChecklistEditor>
appBar: buildEditorAppBar(widget, this),
floatingActionButton: buildFAB(widget, this),
body: Column(
children: <Widget>[titleEditor, Expanded(child: checklistWidget)],
children: <Widget>[
titleEditor,
Expanded(child: FocusScope(child: checklistWidget)),
],
),
);
}
@ -160,19 +166,21 @@ class ChecklistEditorState extends State<ChecklistEditor>
// FIXME: Make this happen on the next build
Timer(const Duration(milliseconds: 300), () {
FocusScope.of(context).requestFocus(fn);
debugPrint("forced focus!");
});
});
},
itemFinished: () {
var fn = FocusNode();
var item = checklist.buildItem(false, "");
checklist.insertItem(index + 1, item);
focusNodes[item] = fn;
setState(() {
var fn = FocusScopeNode();
var item = checklist.buildItem(false, "");
checklist.insertItem(index + 1, item);
focusNodes[item] = fn;
// FIXME: Make this happen on the next build
Timer(const Duration(milliseconds: 50), () {
FocusScope.of(context).requestFocus(fn);
// FIXME: Make this happen on the next build
Timer(const Duration(milliseconds: 50), () {
print("Asking focus to ${index + 1}");
FocusScope.of(context).requestFocus(fn);
});
});
},
);
@ -251,6 +259,7 @@ class _ChecklistItemTileState extends State<ChecklistItemTile> {
void _onFocus() {
setState(() {}); // rebuild to hide close button
SystemChannels.textInput.invokeMethod('TextInput.show');
}
@override
@ -275,7 +284,7 @@ class _ChecklistItemTileState extends State<ChecklistItemTile> {
border: InputBorder.none,
isDense: true,
),
onSubmitted: (_) => widget.itemFinished(),
onEditingComplete: widget.itemFinished,
);
return ListTile(
@ -342,6 +351,5 @@ class AddItemButton extends StatelessWidget {
// FIXME: The body needs to be scrollable
// FIXME: Support removing an item when pressing backspace
// FIXME: Focus on + doesn't work on device
// FIXME: Align the checkbox and close button on top
// FIXME: Move checked items to the bottom?