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sjk
440
client/lib/shared/widgets/custom_card.dart
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440
client/lib/shared/widgets/custom_card.dart
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import 'package:flutter/material.dart';
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/// 自定义卡片组件
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class CustomCard extends StatelessWidget {
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final Widget child;
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final EdgeInsetsGeometry? padding;
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final EdgeInsetsGeometry? margin;
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final Color? color;
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final double? elevation;
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final BorderRadius? borderRadius;
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final Border? border;
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final VoidCallback? onTap;
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final bool isSelected;
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final Color? selectedColor;
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final double? width;
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final double? height;
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final BoxShadow? shadow;
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const CustomCard({
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super.key,
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required this.child,
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this.padding,
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this.margin,
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this.color,
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this.elevation,
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this.borderRadius,
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this.border,
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this.onTap,
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this.isSelected = false,
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this.selectedColor,
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this.width,
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this.height,
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this.shadow,
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});
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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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final defaultBorderRadius = BorderRadius.circular(12);
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Widget card = Container(
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width: width,
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height: height,
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margin: margin,
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decoration: BoxDecoration(
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color: isSelected
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? (selectedColor ?? theme.colorScheme.primaryContainer)
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: (color ?? theme.colorScheme.surface),
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borderRadius: borderRadius ?? defaultBorderRadius,
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border: border ?? (isSelected
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? Border.all(
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color: theme.colorScheme.primary,
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width: 2,
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)
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: Border.all(
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color: theme.colorScheme.outline.withOpacity(0.2),
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width: 1,
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)),
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boxShadow: shadow != null
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? [shadow!]
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: [
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BoxShadow(
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color: theme.colorScheme.shadow.withOpacity(0.1),
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blurRadius: elevation ?? 4,
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offset: const Offset(0, 2),
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),
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],
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),
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child: Material(
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color: Colors.transparent,
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child: InkWell(
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onTap: onTap,
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borderRadius: borderRadius ?? defaultBorderRadius,
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child: Padding(
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padding: padding ?? const EdgeInsets.all(16),
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child: child,
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),
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),
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),
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);
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return card;
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}
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}
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/// 信息卡片
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class InfoCard extends StatelessWidget {
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final String title;
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final String? subtitle;
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final Widget? leading;
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final Widget? trailing;
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final VoidCallback? onTap;
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final EdgeInsetsGeometry? padding;
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final EdgeInsetsGeometry? margin;
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final Color? backgroundColor;
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final bool isSelected;
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const InfoCard({
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super.key,
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required this.title,
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this.subtitle,
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this.leading,
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this.trailing,
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this.onTap,
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this.padding,
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this.margin,
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this.backgroundColor,
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this.isSelected = false,
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});
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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 CustomCard(
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onTap: onTap,
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padding: padding ?? const EdgeInsets.all(16),
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margin: margin,
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color: backgroundColor,
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isSelected: isSelected,
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child: Row(
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children: [
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if (leading != null) ...[
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leading!,
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const SizedBox(width: 12),
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],
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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title,
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style: theme.textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.w600,
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color: isSelected
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? theme.colorScheme.onPrimaryContainer
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: theme.colorScheme.onSurface,
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),
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),
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if (subtitle != null) ...[
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const SizedBox(height: 4),
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Text(
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subtitle!,
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style: theme.textTheme.bodyMedium?.copyWith(
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color: isSelected
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? theme.colorScheme.onPrimaryContainer.withOpacity(0.8)
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: theme.colorScheme.onSurface.withOpacity(0.7),
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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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if (trailing != null) ...[
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const SizedBox(width: 12),
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trailing!,
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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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/// 统计卡片
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class StatCard extends StatelessWidget {
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final String title;
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final String value;
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final String? unit;
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final IconData? icon;
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final Color? iconColor;
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final Color? backgroundColor;
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final VoidCallback? onTap;
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final EdgeInsetsGeometry? margin;
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final Widget? trailing;
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const StatCard({
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super.key,
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required this.title,
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required this.value,
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this.unit,
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this.icon,
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this.iconColor,
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this.backgroundColor,
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this.onTap,
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this.margin,
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this.trailing,
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});
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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 CustomCard(
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onTap: onTap,
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margin: margin,
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color: backgroundColor,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Row(
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children: [
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if (icon != null) ...[
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Icon(
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icon,
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size: 20,
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color: iconColor ?? theme.colorScheme.primary,
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),
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const SizedBox(width: 8),
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],
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Expanded(
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child: Text(
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title,
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style: theme.textTheme.bodyMedium?.copyWith(
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color: theme.colorScheme.onSurface.withOpacity(0.7),
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),
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),
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),
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if (trailing != null) trailing!,
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],
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),
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const SizedBox(height: 8),
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Row(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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Text(
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value,
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style: theme.textTheme.headlineSmall?.copyWith(
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fontWeight: FontWeight.bold,
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color: theme.colorScheme.onSurface,
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),
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),
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if (unit != null) ...[
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const SizedBox(width: 4),
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Padding(
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padding: const EdgeInsets.only(bottom: 2),
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child: Text(
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unit!,
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style: theme.textTheme.bodySmall?.copyWith(
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color: theme.colorScheme.onSurface.withOpacity(0.6),
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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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}
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}
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/// 功能卡片
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class FeatureCard extends StatelessWidget {
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final String title;
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final String? description;
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final IconData icon;
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final Color? iconColor;
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final Color? backgroundColor;
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final VoidCallback? onTap;
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final EdgeInsetsGeometry? margin;
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final bool isEnabled;
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final Widget? badge;
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const FeatureCard({
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super.key,
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required this.title,
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this.description,
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required this.icon,
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this.iconColor,
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this.backgroundColor,
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this.onTap,
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this.margin,
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this.isEnabled = true,
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this.badge,
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});
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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 CustomCard(
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onTap: isEnabled ? onTap : null,
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margin: margin,
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color: backgroundColor,
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child: Stack(
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children: [
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: (iconColor ?? theme.colorScheme.primary).withOpacity(0.1),
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borderRadius: BorderRadius.circular(8),
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),
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child: Icon(
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icon,
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size: 24,
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color: isEnabled
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? (iconColor ?? theme.colorScheme.primary)
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: theme.colorScheme.onSurface.withOpacity(0.4),
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),
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),
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const SizedBox(height: 12),
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Text(
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title,
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style: theme.textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.w600,
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color: isEnabled
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? theme.colorScheme.onSurface
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: theme.colorScheme.onSurface.withOpacity(0.4),
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),
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),
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if (description != null) ...[
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const SizedBox(height: 4),
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Text(
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description!,
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style: theme.textTheme.bodySmall?.copyWith(
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color: isEnabled
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? theme.colorScheme.onSurface.withOpacity(0.7)
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: theme.colorScheme.onSurface.withOpacity(0.4),
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),
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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],
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],
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),
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if (badge != null)
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Positioned(
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top: 0,
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right: 0,
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child: badge!,
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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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/// 进度卡片
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class ProgressCard extends StatelessWidget {
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final String title;
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final String? subtitle;
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final double progress;
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final String? progressText;
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final Color? progressColor;
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final Color? backgroundColor;
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final VoidCallback? onTap;
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final EdgeInsetsGeometry? margin;
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final Widget? trailing;
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const ProgressCard({
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super.key,
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required this.title,
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this.subtitle,
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required this.progress,
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this.progressText,
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this.progressColor,
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this.backgroundColor,
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this.onTap,
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this.margin,
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this.trailing,
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});
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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 CustomCard(
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onTap: onTap,
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margin: margin,
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color: backgroundColor,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Row(
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children: [
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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title,
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style: theme.textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.w600,
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),
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),
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if (subtitle != null) ...[
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const SizedBox(height: 2),
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Text(
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subtitle!,
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style: theme.textTheme.bodySmall?.copyWith(
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color: theme.colorScheme.onSurface.withOpacity(0.7),
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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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if (trailing != null) ...[
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const SizedBox(width: 12),
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trailing!,
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],
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],
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),
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const SizedBox(height: 12),
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Row(
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children: [
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Expanded(
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child: LinearProgressIndicator(
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value: progress.clamp(0.0, 1.0),
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backgroundColor: theme.colorScheme.surfaceVariant,
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valueColor: AlwaysStoppedAnimation<Color>(
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progressColor ?? theme.colorScheme.primary,
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),
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minHeight: 6,
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),
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),
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if (progressText != null) ...[
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const SizedBox(width: 12),
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Text(
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progressText!,
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style: theme.textTheme.bodySmall?.copyWith(
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fontWeight: FontWeight.w500,
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color: theme.colorScheme.onSurface.withOpacity(0.8),
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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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}
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