72 lines
2.4 KiB
Dart
72 lines
2.4 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import '../constants/app_constants.dart';
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import '../services/get/theme_controller.dart';
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/// 时间: 2026-03-22
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/// 功能: 主导航内「标题 + Tab」共用 AppBar 构造
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/// 介绍: 压缩工具栏与 Tab 行高度，关闭 M3 卷动 surface tint，统一收藏页与发现页顶部观感
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/// 最新变化: 2026-04-02 支持深色模式
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/// 主导航子页（IndexedStack 内）带 [TabBar] 的页面共用 [AppBar] 配置
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class TabbedNavAppBar {
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TabbedNavAppBar._();
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static AppBar build({
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required String title,
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required TabController tabController,
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required List<String> tabLabels,
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List<Widget>? actions,
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Widget? leading,
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bool tabBarScrollable = false,
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EdgeInsetsGeometry? tabPadding,
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EdgeInsetsGeometry? tabLabelPadding,
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Color? backgroundColor,
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Color? foregroundColor,
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}) {
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final isDark = backgroundColor != null && backgroundColor != Colors.white;
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final themeController = Get.find<ThemeController>();
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final primaryColor = themeController.currentThemeColor;
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return AppBar(
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title: Text(
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title,
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style: TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 18,
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color: foregroundColor ?? (isDark ? Colors.white : Colors.black87),
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),
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),
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backgroundColor: backgroundColor ?? Colors.white,
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foregroundColor:
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foregroundColor ?? (isDark ? Colors.white : Colors.black87),
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iconTheme: IconThemeData(
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color: foregroundColor ?? (isDark ? Colors.white : Colors.black87),
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),
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elevation: 0,
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scrolledUnderElevation: 0,
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surfaceTintColor: Colors.transparent,
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shadowColor: Colors.transparent,
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centerTitle: true,
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leading: leading,
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actions: actions,
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bottom: TabBar(
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controller: tabController,
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isScrollable: tabBarScrollable,
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padding: tabPadding,
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labelPadding: tabLabelPadding,
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tabAlignment: tabBarScrollable ? TabAlignment.start : null,
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dividerHeight: 0,
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dividerColor: Colors.transparent,
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tabs: tabLabels.map((String e) => Tab(text: e)).toList(),
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labelColor: primaryColor,
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unselectedLabelColor: isDark ? Colors.grey[400] : Colors.grey[600],
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indicator: UnderlineTabIndicator(
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borderSide: BorderSide(color: primaryColor, width: 3),
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),
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labelStyle: const TextStyle(fontWeight: FontWeight.bold),
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),
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);
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}
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}
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