117 lines
3.6 KiB
Dart
117 lines
3.6 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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Future<T?> showModalActionPopup<T>({
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required BuildContext context,
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required List<AdaptiveModalAction<T>> actions,
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String? title,
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String? message,
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String? cancelLabel,
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bool useRootNavigator = true,
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}) {
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final theme = Theme.of(context);
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switch (theme.platform) {
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case TargetPlatform.android:
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case TargetPlatform.fuchsia:
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case TargetPlatform.windows:
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case TargetPlatform.linux:
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return showModalBottomSheet(
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isScrollControlled: true,
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useRootNavigator: useRootNavigator,
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context: context,
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clipBehavior: Clip.hardEdge,
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constraints: BoxConstraints(
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maxWidth: 512,
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maxHeight: MediaQuery.sizeOf(context).height - 32,
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),
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builder: (context) => ListView(
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shrinkWrap: true,
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children: [
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if (title != null || message != null) ...[
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ListTile(
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title: title == null
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? null
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: Text(
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title,
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style: theme.textTheme.labelSmall,
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),
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subtitle: message == null ? null : Text(message),
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),
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const Divider(height: 1),
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],
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...actions.map(
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(action) => ListTile(
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leading: action.icon,
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title: Text(
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action.label,
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maxLines: 1,
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style: action.isDestructive
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? TextStyle(
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color: theme.colorScheme.error,
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fontWeight:
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action.isDefaultAction ? FontWeight.bold : null,
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)
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: null,
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),
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onTap: () => Navigator.of(context).pop<T>(action.value),
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),
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),
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if (cancelLabel != null) ...[
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const Divider(height: 1),
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ListTile(
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title: Text(cancelLabel),
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onTap: () => Navigator.of(context).pop(null),
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),
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],
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],
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),
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);
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case TargetPlatform.iOS:
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case TargetPlatform.macOS:
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return showCupertinoModalPopup<T>(
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context: context,
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useRootNavigator: useRootNavigator,
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builder: (context) => ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 512),
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child: CupertinoActionSheet(
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title: title == null ? null : Text(title),
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message: message == null ? null : Text(message),
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cancelButton: cancelLabel == null
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? null
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: CupertinoActionSheetAction(
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onPressed: () => Navigator.of(context).pop(null),
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child: Text(cancelLabel),
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),
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actions: actions
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.map(
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(action) => CupertinoActionSheetAction(
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isDestructiveAction: action.isDestructive,
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isDefaultAction: action.isDefaultAction,
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onPressed: () => Navigator.of(context).pop<T>(action.value),
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child: Text(action.label, maxLines: 1),
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),
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)
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.toList(),
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),
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),
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);
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}
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}
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class AdaptiveModalAction<T> {
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final String label;
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final T value;
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Icon? icon;
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final bool isDefaultAction;
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final bool isDestructive;
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AdaptiveModalAction({
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required this.label,
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required this.value,
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this.icon,
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this.isDefaultAction = false,
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this.isDestructive = false,
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});
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}
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