153 lines
4.1 KiB
Dart
153 lines
4.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:ainoval/utils/web_theme.dart';
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import 'required_badge.dart';
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/// 表单字段集组件
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/// 提供统一的表单字段布局，包含标题、描述和重置功能
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class FormFieldset extends StatelessWidget {
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/// 构造函数
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const FormFieldset({
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super.key,
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required this.title,
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required this.child,
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this.description,
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this.showReset = false,
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this.onReset,
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this.resetEnabled = true,
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this.showRequired = false,
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this.padding = const EdgeInsets.symmetric(vertical: 16),
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});
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/// 字段标题
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final String title;
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/// 字段描述（可选）
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final String? description;
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/// 子组件
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final Widget child;
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/// 是否显示重置按钮
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final bool showReset;
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/// 重置回调
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final VoidCallback? onReset;
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/// 重置按钮是否可用
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final bool resetEnabled;
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/// 是否显示必填标识
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final bool showRequired;
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/// 内边距
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final EdgeInsets padding;
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@override
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Widget build(BuildContext context) {
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final isDark = WebTheme.isDarkMode(context);
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return Container(
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padding: padding,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 标题行
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Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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// 标题
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Text(
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title,
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w500,
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color: isDark ? WebTheme.darkGrey800 : WebTheme.grey800,
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),
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),
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// 必填标识
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if (showRequired) ...[
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const SizedBox(width: 8),
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const RequiredBadge(),
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],
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// 占据剩余空间
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const Spacer(),
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// 重置按钮
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if (showReset)
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_buildResetButton(context, isDark),
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],
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),
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// 描述文字
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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: TextStyle(
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fontSize: 12,
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color: isDark ? WebTheme.darkGrey500 : WebTheme.grey500,
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),
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),
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],
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// 内容区域
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const SizedBox(height: 8),
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child,
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],
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),
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);
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}
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/// 构建重置按钮
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Widget _buildResetButton(BuildContext context, bool isDark) {
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return Material(
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type: MaterialType.transparency,
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child: InkWell(
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onTap: resetEnabled ? onReset : null,
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borderRadius: BorderRadius.circular(6),
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 4),
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decoration: BoxDecoration(
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color: resetEnabled
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? (isDark ? WebTheme.darkGrey700 : WebTheme.grey700)
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: (isDark ? WebTheme.darkGrey600 : WebTheme.grey600),
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borderRadius: BorderRadius.circular(6),
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border: Border.all(
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color: resetEnabled
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? (isDark ? WebTheme.darkGrey600 : WebTheme.grey800)
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: (isDark ? WebTheme.darkGrey600 : WebTheme.grey600),
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width: 1,
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),
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.refresh,
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size: 12,
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color: resetEnabled
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? (isDark ? WebTheme.darkGrey100 : WebTheme.grey50)
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: (isDark ? WebTheme.darkGrey400 : WebTheme.grey400),
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),
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const SizedBox(width: 4),
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Text(
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'重置',
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.w500,
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color: resetEnabled
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? (isDark ? WebTheme.darkGrey100 : WebTheme.grey50)
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: (isDark ? WebTheme.darkGrey400 : WebTheme.grey400),
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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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} |