395 lines
11 KiB
Dart
395 lines
11 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:ainoval/utils/web_theme.dart';
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/// 通用卡片组件配置
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class UniversalCardConfig {
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final double? width;
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final double? height;
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final EdgeInsets? padding;
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final EdgeInsets? margin;
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final BorderRadius? borderRadius;
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final List<BoxShadow>? shadows;
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final Border? border;
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final Color? backgroundColor;
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final bool showCloseButton;
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final bool showHeader;
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final double elevation;
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const UniversalCardConfig({
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this.width,
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this.height,
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this.padding = const EdgeInsets.all(20),
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this.margin,
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this.borderRadius,
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this.shadows,
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this.border,
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this.backgroundColor,
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this.showCloseButton = true,
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this.showHeader = true,
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this.elevation = 8.0,
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});
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/// 复制并修改配置
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UniversalCardConfig copyWith({
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double? width,
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double? height,
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EdgeInsets? padding,
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EdgeInsets? margin,
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BorderRadius? borderRadius,
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List<BoxShadow>? shadows,
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Border? border,
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Color? backgroundColor,
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bool? showCloseButton,
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bool? showHeader,
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double? elevation,
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}) {
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return UniversalCardConfig(
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width: width ?? this.width,
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height: height ?? this.height,
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padding: padding ?? this.padding,
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margin: margin ?? this.margin,
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borderRadius: borderRadius ?? this.borderRadius,
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shadows: shadows ?? this.shadows,
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border: border ?? this.border,
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backgroundColor: backgroundColor ?? this.backgroundColor,
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showCloseButton: showCloseButton ?? this.showCloseButton,
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showHeader: showHeader ?? this.showHeader,
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elevation: elevation ?? this.elevation,
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);
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}
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/// 预设配置 - 标准卡片
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static const standard = UniversalCardConfig(
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borderRadius: BorderRadius.all(Radius.circular(12)),
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elevation: 8.0,
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padding: EdgeInsets.all(20),
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);
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/// 预设配置 - 紧凑卡片
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static const compact = UniversalCardConfig(
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borderRadius: BorderRadius.all(Radius.circular(8)),
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elevation: 4.0,
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padding: EdgeInsets.all(16),
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);
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/// 预设配置 - 浮动预览卡片
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static const preview = UniversalCardConfig(
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borderRadius: BorderRadius.all(Radius.circular(12)),
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elevation: 16.0,
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padding: EdgeInsets.all(20),
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showCloseButton: true,
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);
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}
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/// 通用卡片组件
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///
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/// 提供统一的卡片样式和主题,支持自定义配置
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/// 应用 WebTheme 全局样式,确保视觉一致性
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class UniversalCard extends StatelessWidget {
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final Widget child;
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final UniversalCardConfig config;
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final String? title;
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final Widget? headerAction;
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final VoidCallback? onClose;
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final List<Widget>? actions;
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const UniversalCard({
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Key? key,
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required this.child,
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this.config = UniversalCardConfig.standard,
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this.title,
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this.headerAction,
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this.onClose,
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this.actions,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return Material(
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elevation: config.elevation,
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borderRadius: config.borderRadius ?? BorderRadius.circular(12),
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color: Colors.transparent,
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shadowColor: Colors.black.withOpacity(0.2),
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child: Container(
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width: config.width,
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height: config.height,
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margin: config.margin,
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decoration: _getCardDecoration(context),
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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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// 可选的头部区域
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if (config.showHeader && (title != null || config.showCloseButton))
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_buildHeader(context),
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// 主要内容区域
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Flexible(
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child: Container(
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padding: config.padding,
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child: child,
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),
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),
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// 可选的底部操作区域
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if (actions != null && actions!.isNotEmpty)
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_buildActions(context),
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],
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),
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),
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);
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}
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/// 获取卡片装饰样式
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BoxDecoration _getCardDecoration(BuildContext context) {
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return BoxDecoration(
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color: config.backgroundColor ?? WebTheme.white,
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borderRadius: config.borderRadius ?? BorderRadius.circular(12),
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border: config.border ?? Border.all(
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color: WebTheme.grey300,
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width: 1.5,
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),
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boxShadow: config.shadows ?? [
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BoxShadow(
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color: Colors.black.withOpacity(0.08),
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blurRadius: 20,
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offset: const Offset(0, 4),
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),
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BoxShadow(
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color: Colors.black.withOpacity(0.04),
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blurRadius: 8,
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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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}
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/// 构建头部区域
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Widget _buildHeader(BuildContext context) {
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return Container(
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padding: const EdgeInsets.fromLTRB(20, 16, 16, 0),
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child: Row(
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children: [
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// 标题
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if (title != null)
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Expanded(
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child: Text(
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title!,
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style: WebTheme.getAlignedTextStyle(
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baseStyle: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.w600,
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color: WebTheme.getTextColor(context),
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),
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),
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),
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),
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// 头部操作
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if (headerAction != null) ...[
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const SizedBox(width: 12),
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headerAction!,
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],
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// 关闭按钮
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if (config.showCloseButton && onClose != null)
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_buildCloseButton(context),
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],
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),
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);
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}
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/// 构建关闭按钮
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Widget _buildCloseButton(BuildContext context) {
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return GestureDetector(
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onTap: onClose,
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child: MouseRegion(
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cursor: SystemMouseCursors.click,
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child: Container(
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padding: const EdgeInsets.all(6),
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decoration: BoxDecoration(
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color: Colors.transparent,
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borderRadius: BorderRadius.circular(4),
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),
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child: Icon(
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Icons.close,
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size: 20,
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color: WebTheme.getSecondaryTextColor(context),
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),
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),
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),
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);
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}
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/// 构建底部操作区域
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Widget _buildActions(BuildContext context) {
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return Container(
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padding: const EdgeInsets.fromLTRB(20, 12, 20, 16),
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decoration: BoxDecoration(
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border: Border(
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top: BorderSide(
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color: WebTheme.grey200,
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width: 1,
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),
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),
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: actions!,
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),
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);
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}
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}
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/// 简化的卡片组件 - 用于无头部的场景
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class SimpleUniversalCard extends StatelessWidget {
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final Widget child;
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final UniversalCardConfig config;
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const SimpleUniversalCard({
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Key? key,
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required this.child,
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this.config = UniversalCardConfig.compact,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return Material(
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elevation: config.elevation,
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borderRadius: config.borderRadius ?? BorderRadius.circular(8),
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color: Colors.transparent,
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shadowColor: Colors.black.withOpacity(0.15),
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child: Container(
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width: config.width,
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height: config.height,
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margin: config.margin,
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padding: config.padding,
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decoration: BoxDecoration(
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color: config.backgroundColor ?? WebTheme.white,
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borderRadius: config.borderRadius ?? BorderRadius.circular(8),
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border: config.border ?? Border.all(
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color: WebTheme.grey300,
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width: 1,
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),
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boxShadow: config.shadows ?? [
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BoxShadow(
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color: Colors.black.withOpacity(0.06),
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blurRadius: 12,
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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: child,
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),
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);
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}
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}
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/// 卡片工具类 - 提供快速创建常用卡片的方法
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class UniversalCardUtils {
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/// 创建信息展示卡片
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static Widget createInfoCard({
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required BuildContext context,
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required String title,
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required String content,
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IconData? icon,
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VoidCallback? onTap,
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}) {
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return SimpleUniversalCard(
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child: InkWell(
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onTap: onTap,
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borderRadius: BorderRadius.circular(8),
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child: Padding(
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padding: const EdgeInsets.all(4),
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child: 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: 24,
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color: WebTheme.getTextColor(context),
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),
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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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children: [
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Text(
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title,
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style: WebTheme.getAlignedTextStyle(
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baseStyle: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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color: WebTheme.getTextColor(context),
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),
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),
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),
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const SizedBox(height: 4),
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Text(
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content,
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style: WebTheme.getAlignedTextStyle(
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baseStyle: TextStyle(
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fontSize: 13,
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color: WebTheme.getSecondaryTextColor(context),
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),
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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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],
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),
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),
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),
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);
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}
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/// 创建统计数据卡片
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static Widget createStatCard({
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required BuildContext context,
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required String title,
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required String value,
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IconData? icon,
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Color? valueColor,
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}) {
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return SimpleUniversalCard(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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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: 32,
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color: valueColor ?? WebTheme.getTextColor(context),
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),
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const SizedBox(height: 8),
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],
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Text(
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value,
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style: WebTheme.getAlignedTextStyle(
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baseStyle: TextStyle(
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fontSize: 24,
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fontWeight: FontWeight.w700,
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color: valueColor ?? WebTheme.getTextColor(context),
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),
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),
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),
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const SizedBox(height: 4),
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Text(
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title,
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style: WebTheme.getAlignedTextStyle(
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baseStyle: TextStyle(
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fontSize: 12,
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color: WebTheme.getSecondaryTextColor(context),
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),
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),
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textAlign: TextAlign.center,
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),
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],
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),
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);
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}
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} |