Douglas Ward
1 year ago
parent
55cb35d9e7
commit
9e2d3d50c0
12 changed files with 190 additions and 35 deletions
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import 'dart:async'; |
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import 'package:flutter/material.dart'; |
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import '../../../../extensions.dart'; |
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import '../../../../flutter_quill.dart'; |
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import '../../../l10n/extensions/localizations.dart'; |
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import '../base_button/base_value_button.dart'; |
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enum ClipboardAction { cut, copy, paste } |
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class ClipboardMonitor { |
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final ClipboardStatusNotifier _clipboardStatus = ClipboardStatusNotifier(); |
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Timer? _timer; |
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void monitorClipboard ( bool add, void Function() listener ) { |
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if ( add ) { |
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_clipboardStatus.addListener(listener); |
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_timer = Timer.periodic(const Duration(seconds: 1), (timer) => _clipboardStatus.update()); |
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} else { |
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_timer?.cancel(); |
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_clipboardStatus.removeListener(listener); |
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} |
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} |
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} |
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class QuillToolbarClipboardButton extends QuillToolbarToggleStyleBaseButton { |
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QuillToolbarClipboardButton({required super.controller, required this.clipboard, required super.options, super.key}); |
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final ClipboardAction clipboard; |
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final ClipboardMonitor _monitor = ClipboardMonitor(); |
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@override |
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State<StatefulWidget> createState() => QuillToolbarClipboardButtonState(); |
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} |
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class QuillToolbarClipboardButtonState extends QuillToolbarToggleStyleBaseButtonState<QuillToolbarClipboardButton> { |
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@override |
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bool get currentStateValue { |
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switch (widget.clipboard) { |
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case ClipboardAction.cut: |
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return !controller.readOnly && !controller.selection.isCollapsed; |
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case ClipboardAction.copy: |
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return !controller.selection.isCollapsed; |
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case ClipboardAction.paste: |
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return !controller.readOnly && widget._monitor._clipboardStatus.value == ClipboardStatus.pasteable; |
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} |
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} |
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void _listenClipboardStatus () => didChangeEditingValue(); |
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@override |
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void addExtraListener () { |
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if ( widget.clipboard == ClipboardAction.paste) { |
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widget._monitor.monitorClipboard(true, _listenClipboardStatus); |
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} |
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} |
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@override |
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void removeExtraListener (covariant QuillToolbarClipboardButton oldWidget) { |
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if ( widget.clipboard == ClipboardAction.paste) { |
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oldWidget._monitor.monitorClipboard(false, _listenClipboardStatus); |
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} |
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} |
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@override |
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String get defaultTooltip => switch (widget.clipboard) { |
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ClipboardAction.cut => 'cut', |
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ClipboardAction.copy => context.loc.copy, |
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ClipboardAction.paste => 'paste', |
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}; |
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IconData get _icon => switch (widget.clipboard) { |
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ClipboardAction.cut => Icons.cut_outlined, |
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ClipboardAction.copy => Icons.copy_outlined, |
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ClipboardAction.paste => Icons.paste_outlined, |
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}; |
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void _onPressed() { |
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switch (widget.clipboard) { |
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case ClipboardAction.cut: |
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controller.clipboardSelection(false); |
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break; |
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case ClipboardAction.copy: |
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controller.clipboardSelection(true); |
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break; |
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case ClipboardAction.paste: |
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controller.clipboardPaste(); |
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break; |
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} |
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afterButtonPressed?.call(); |
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} |
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@override |
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Widget build(BuildContext context) { |
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final childBuilder = options.childBuilder ?? |
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context.quillToolbarBaseButtonOptions?.childBuilder; |
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if (childBuilder != null) { |
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return childBuilder( |
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options, |
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QuillToolbarToggleStyleButtonExtraOptions( |
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context: context, |
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controller: controller, |
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onPressed: _onPressed, |
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isToggled: currentValue, |
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), |
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); |
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} |
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return UtilityWidgets.maybeTooltip( |
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message: tooltip, |
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child: QuillToolbarIconButton( |
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icon: Icon( |
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_icon, |
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size: iconSize * iconButtonFactor, |
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), |
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isSelected: false, |
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onPressed: currentValue ? _onPressed : null, |
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afterPressed: afterButtonPressed, |
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iconTheme: iconTheme, |
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)); |
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} |
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} |
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