qzl
123 lines
3.7 KiB
Dart
123 lines
3.7 KiB
Dart
import 'package:flutter/material.dart';
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import '../../core/l10n/l10n.dart';
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import '../../core/theme/design_tokens.dart';
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import 'app_button.dart';
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class AppSelectionItem<T> {
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const AppSelectionItem({required this.value, required this.label});
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final T value;
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final String label;
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}
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Future<T?> showAppSelectionSheet<T>(
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BuildContext context, {
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required String title,
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required List<AppSelectionItem<T>> items,
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required T? selectedValue,
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}) async {
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final result = await showModalBottomSheet<T>(
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context: context,
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isScrollControlled: true,
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backgroundColor: Theme.of(context).colorScheme.surface.withValues(alpha: 0),
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builder: (sheetContext) {
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final colorScheme = Theme.of(sheetContext).colorScheme;
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return SafeArea(
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top: false,
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child: Container(
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margin: const EdgeInsets.fromLTRB(
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AppSpacing.md,
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AppSpacing.none,
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AppSpacing.md,
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AppSpacing.md,
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),
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padding: const EdgeInsets.symmetric(vertical: AppSpacing.lg),
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decoration: BoxDecoration(
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color: colorScheme.surface,
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borderRadius: BorderRadius.circular(AppRadius.xl),
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border: Border.all(color: colorScheme.outlineVariant),
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: AppSpacing.lg),
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child: Text(
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title,
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 17,
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fontWeight: FontWeight.w700,
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color: colorScheme.onSurface,
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),
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),
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),
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const SizedBox(height: AppSpacing.md),
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...items.map((item) {
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final isSelected = item.value == selectedValue;
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return _buildItem(
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sheetContext,
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item: item,
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isSelected: isSelected,
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);
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}),
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SizedBox(height: AppSpacing.sm),
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Divider(height: 1, color: colorScheme.outlineVariant),
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SizedBox(height: AppSpacing.sm),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: AppSpacing.lg),
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child: SizedBox(
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height: 48,
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child: AppButton(
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text: context.l10n.commonCancel,
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isOutlined: true,
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onPressed: () => Navigator.of(sheetContext).pop(),
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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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},
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);
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return result;
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}
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Widget _buildItem<T>(
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BuildContext sheetContext, {
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required AppSelectionItem<T> item,
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required bool isSelected,
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}) {
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final colorScheme = Theme.of(sheetContext).colorScheme;
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return InkWell(
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onTap: () => Navigator.of(sheetContext).pop(item.value),
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child: Container(
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padding: const EdgeInsets.symmetric(
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horizontal: AppSpacing.lg,
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vertical: AppSpacing.md,
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),
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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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item.label,
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style: TextStyle(
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fontSize: 15,
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fontWeight: isSelected ? FontWeight.w600 : FontWeight.w500,
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color: isSelected
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? colorScheme.primary
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: colorScheme.onSurfaceVariant,
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),
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),
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),
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if (isSelected)
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Icon(Icons.check, size: 20, color: colorScheme.primary),
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],
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),
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),
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);
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}
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