Allows launching links in editing mode, where: * For desktop platforms: links launch on `Cmd` + `Click` (macOS) or `Ctrl` + `Click` (windows, linux) * For mobile platforms: long-pressing a link shows a context menu with multiple actions (Open, Copy, Remove) for the user to choose from.pull/555/head
X Code
3 years ago
parent
c8b50d9e80
commit
2080aab6a9
6 changed files with 541 additions and 53 deletions
@ -0,0 +1,89 @@ |
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import 'package:flutter/material.dart'; |
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import 'package:flutter/services.dart'; |
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class QuillPressedKeys extends ChangeNotifier { |
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static QuillPressedKeys of(BuildContext context) { |
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final widget = |
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context.dependOnInheritedWidgetOfExactType<_QuillPressedKeysAccess>(); |
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return widget!.pressedKeys; |
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} |
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bool _metaPressed = false; |
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bool _controlPressed = false; |
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/// Whether meta key is currently pressed. |
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bool get metaPressed => _metaPressed; |
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/// Whether control key is currently pressed. |
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bool get controlPressed => _controlPressed; |
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void _updatePressedKeys(Set<LogicalKeyboardKey> pressedKeys) { |
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final meta = pressedKeys.contains(LogicalKeyboardKey.metaLeft) || |
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pressedKeys.contains(LogicalKeyboardKey.metaRight); |
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final control = pressedKeys.contains(LogicalKeyboardKey.controlLeft) || |
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pressedKeys.contains(LogicalKeyboardKey.controlRight); |
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if (_metaPressed != meta || _controlPressed != control) { |
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_metaPressed = meta; |
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_controlPressed = control; |
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notifyListeners(); |
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} |
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} |
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} |
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class QuillKeyboardListener extends StatefulWidget { |
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const QuillKeyboardListener({required this.child, Key? key}) |
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: super(key: key); |
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final Widget child; |
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@override |
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QuillKeyboardListenerState createState() => QuillKeyboardListenerState(); |
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} |
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class QuillKeyboardListenerState extends State<QuillKeyboardListener> { |
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final QuillPressedKeys _pressedKeys = QuillPressedKeys(); |
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bool _keyEvent(KeyEvent event) { |
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_pressedKeys |
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._updatePressedKeys(HardwareKeyboard.instance.logicalKeysPressed); |
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return false; |
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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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HardwareKeyboard.instance.addHandler(_keyEvent); |
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_pressedKeys |
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._updatePressedKeys(HardwareKeyboard.instance.logicalKeysPressed); |
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} |
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@override |
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void dispose() { |
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HardwareKeyboard.instance.removeHandler(_keyEvent); |
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_pressedKeys.dispose(); |
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super.dispose(); |
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} |
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@override |
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Widget build(BuildContext context) { |
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return _QuillPressedKeysAccess( |
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pressedKeys: _pressedKeys, |
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child: widget.child, |
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); |
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} |
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} |
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class _QuillPressedKeysAccess extends InheritedWidget { |
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const _QuillPressedKeysAccess({ |
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required this.pressedKeys, |
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required Widget child, |
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Key? key, |
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}) : super(key: key, child: child); |
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final QuillPressedKeys pressedKeys; |
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@override |
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bool updateShouldNotify(covariant _QuillPressedKeysAccess oldWidget) { |
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return oldWidget.pressedKeys != pressedKeys; |
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} |
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} |
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@ -0,0 +1,170 @@ |
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import 'package:flutter/cupertino.dart'; |
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import 'package:flutter/foundation.dart'; |
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import 'package:flutter/material.dart'; |
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import '../../models/documents/nodes/node.dart'; |
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/// List of possible actions returned from [LinkActionPickerDelegate]. |
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enum LinkMenuAction { |
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/// Launch the link |
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launch, |
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/// Copy to clipboard |
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copy, |
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/// Remove link style attribute |
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remove, |
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/// No-op |
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none, |
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} |
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/// Used internally by widget layer. |
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typedef LinkActionPicker = Future<LinkMenuAction> Function(Node linkNode); |
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typedef LinkActionPickerDelegate = Future<LinkMenuAction> Function( |
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BuildContext context, String link); |
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Future<LinkMenuAction> defaultLinkActionPickerDelegate( |
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BuildContext context, String link) async { |
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switch (defaultTargetPlatform) { |
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case TargetPlatform.iOS: |
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return _showCupertinoLinkMenu(context, link); |
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case TargetPlatform.android: |
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return _showMaterialMenu(context, link); |
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default: |
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assert( |
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false, |
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'defaultShowLinkActionsMenu not supposed to ' |
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'be invoked for $defaultTargetPlatform'); |
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return LinkMenuAction.none; |
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} |
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} |
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Future<LinkMenuAction> _showCupertinoLinkMenu( |
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BuildContext context, String link) async { |
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final result = await showCupertinoModalPopup<LinkMenuAction>( |
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context: context, |
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builder: (ctx) { |
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return CupertinoActionSheet( |
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title: Text(link), |
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actions: [ |
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_CupertinoAction( |
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title: 'Open', |
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icon: Icons.language_sharp, |
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onPressed: () => Navigator.of(context).pop(LinkMenuAction.launch), |
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), |
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_CupertinoAction( |
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title: 'Copy', |
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icon: Icons.copy_sharp, |
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onPressed: () => Navigator.of(context).pop(LinkMenuAction.copy), |
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), |
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_CupertinoAction( |
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title: 'Remove', |
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icon: Icons.link_off_sharp, |
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onPressed: () => Navigator.of(context).pop(LinkMenuAction.remove), |
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), |
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], |
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); |
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}, |
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); |
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return result ?? LinkMenuAction.none; |
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} |
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class _CupertinoAction extends StatelessWidget { |
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const _CupertinoAction({ |
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required this.title, |
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required this.icon, |
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required this.onPressed, |
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Key? key, |
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}) : super(key: key); |
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final String title; |
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final IconData icon; |
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final VoidCallback onPressed; |
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@override |
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Widget build(BuildContext context) { |
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final theme = Theme.of(context); |
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return CupertinoActionSheetAction( |
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onPressed: onPressed, |
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child: Padding( |
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padding: const EdgeInsets.symmetric(horizontal: 8), |
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child: Row( |
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children: [ |
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Expanded( |
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child: Text( |
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title, |
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textAlign: TextAlign.start, |
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style: TextStyle(color: theme.colorScheme.onSurface), |
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), |
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), |
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Icon( |
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icon, |
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size: theme.iconTheme.size, |
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color: theme.colorScheme.onSurface.withOpacity(0.75), |
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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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} |
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Future<LinkMenuAction> _showMaterialMenu( |
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BuildContext context, String link) async { |
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final result = await showModalBottomSheet<LinkMenuAction>( |
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context: context, |
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builder: (ctx) { |
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return Column( |
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mainAxisSize: MainAxisSize.min, |
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children: [ |
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_MaterialAction( |
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title: 'Open', |
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icon: Icons.language_sharp, |
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onPressed: () => Navigator.of(context).pop(LinkMenuAction.launch), |
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), |
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_MaterialAction( |
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title: 'Copy', |
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icon: Icons.copy_sharp, |
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onPressed: () => Navigator.of(context).pop(LinkMenuAction.copy), |
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), |
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_MaterialAction( |
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title: 'Remove', |
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icon: Icons.link_off_sharp, |
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onPressed: () => Navigator.of(context).pop(LinkMenuAction.remove), |
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), |
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], |
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); |
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}, |
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); |
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return result ?? LinkMenuAction.none; |
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} |
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class _MaterialAction extends StatelessWidget { |
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const _MaterialAction({ |
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required this.title, |
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required this.icon, |
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required this.onPressed, |
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Key? key, |
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}) : super(key: key); |
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final String title; |
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final IconData icon; |
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final VoidCallback onPressed; |
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@override |
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Widget build(BuildContext context) { |
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final theme = Theme.of(context); |
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return ListTile( |
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leading: Icon( |
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icon, |
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size: theme.iconTheme.size, |
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color: theme.colorScheme.onSurface.withOpacity(0.75), |
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), |
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title: Text(title), |
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onTap: onPressed, |
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); |
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} |
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} |
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