80 lines
2.8 KiB
Dart
80 lines
2.8 KiB
Dart
import 'package:aves/model/actions/entry_actions.dart';
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import 'package:aves/widgets/common/providers/media_query_data_provider.dart';
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import 'package:aves/widgets/settings/quick_actions/common.dart';
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import 'package:flutter/material.dart';
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enum QuickActionPlacement { header, action, footer }
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class QuickActionButton extends StatelessWidget {
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final QuickActionPlacement placement;
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final EntryAction? action;
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final ValueNotifier<bool> panelHighlight;
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final ValueNotifier<EntryAction?> draggedQuickAction;
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final ValueNotifier<EntryAction?> draggedAvailableAction;
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final bool Function(EntryAction action, QuickActionPlacement placement, EntryAction? overAction) insertAction;
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final bool Function(EntryAction action) removeAction;
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final VoidCallback onTargetLeave;
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final Widget? child;
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const QuickActionButton({
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required this.placement,
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this.action,
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required this.panelHighlight,
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required this.draggedQuickAction,
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required this.draggedAvailableAction,
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required this.insertAction,
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required this.removeAction,
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required this.onTargetLeave,
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this.child,
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});
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@override
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Widget build(BuildContext context) {
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var child = this.child;
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child = _buildDragTarget(child);
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if (action != null) {
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child = _buildDraggable(child, action!);
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}
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return child;
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}
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DragTarget<EntryAction> _buildDragTarget(Widget? child) {
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return DragTarget<EntryAction>(
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onWillAccept: (data) {
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if (draggedQuickAction.value != null) {
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insertAction(draggedQuickAction.value!, placement, action);
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}
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if (draggedAvailableAction.value != null) {
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insertAction(draggedAvailableAction.value!, placement, action);
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_setPanelHighlight(true);
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}
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return true;
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},
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onAcceptWithDetails: (details) => _setPanelHighlight(false),
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onLeave: (data) => onTargetLeave(),
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builder: (context, accepted, rejected) => child ?? const SizedBox(),
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);
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}
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Widget _buildDraggable(Widget child, EntryAction action) => LongPressDraggable(
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data: action,
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maxSimultaneousDrags: 1,
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onDragStarted: () => _setDraggedQuickAction(action),
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// `onDragEnd` is only called when the widget is mounted,
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// so we rely on `onDraggableCanceled` and `onDragCompleted` instead
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onDraggableCanceled: (velocity, offset) => _setDraggedQuickAction(null),
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onDragCompleted: () => _setDraggedQuickAction(null),
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feedback: MediaQueryDataProvider(
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child: ActionButton(
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action: action,
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showCaption: false,
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),
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),
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childWhenDragging: child,
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child: child,
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);
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void _setDraggedQuickAction(EntryAction? action) => draggedQuickAction.value = action;
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void _setPanelHighlight(bool flag) => panelHighlight.value = flag;
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}
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