89 lines
2.9 KiB
Dart
89 lines
2.9 KiB
Dart
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import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:flutter_hbb/common.dart';
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import 'package:flutter_hbb/consts.dart';
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import 'package:flutter_hbb/desktop/pages/desktop_home_page.dart';
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import 'package:flutter_hbb/desktop/pages/desktop_setting_page.dart';
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import 'package:flutter_hbb/desktop/widgets/tabbar_widget.dart';
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import 'package:get/get.dart';
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class DesktopTabPage extends StatefulWidget {
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const DesktopTabPage({Key? key}) : super(key: key);
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@override
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State<DesktopTabPage> createState() => _DesktopTabPageState();
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}
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class _DesktopTabPageState extends State<DesktopTabPage>
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with TickerProviderStateMixin {
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late Rx<TabController> tabController;
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late RxList<TabInfo> tabs;
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static final Rx<int> _selected = 0.obs;
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@override
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void initState() {
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super.initState();
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tabs = RxList.from([
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TabInfo(label: kTabLabelHomePage, icon: Icons.home_sharp, closable: false)
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], growable: true);
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tabController =
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TabController(length: tabs.length, vsync: this, initialIndex: 0).obs;
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Column(
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children: [
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Obx((() => DesktopTabBar(
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controller: tabController,
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tabs: tabs.toList(),
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onTabClose: onTabClose,
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selected: _selected,
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dark: isDarkTheme(),
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mainTab: true,
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onMenu: onTabbarMenu,
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))),
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Obx((() => Expanded(
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child: TabBarView(
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controller: tabController.value,
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children: tabs.map((tab) {
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switch (tab.label) {
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case kTabLabelHomePage:
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return DesktopHomePage(key: ValueKey(tab.label));
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case kTabLabelSettingPage:
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return DesktopSettingPage(key: ValueKey(tab.label));
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default:
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return Container();
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}
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}).toList()),
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))),
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],
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),
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);
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}
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void onTabClose(String label) {
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tabs.removeWhere((tab) => tab.label == label);
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tabController.value = TabController(
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length: tabs.length,
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vsync: this,
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initialIndex: max(0, tabs.length - 1));
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}
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void onTabbarMenu() {
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int index = tabs.indexWhere((tab) => tab.label == kTabLabelSettingPage);
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if (index >= 0) {
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tabController.value.animateTo(index, duration: Duration.zero);
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_selected.value = index;
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} else {
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tabs.add(TabInfo(label: kTabLabelSettingPage, icon: Icons.settings));
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tabController.value = TabController(
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length: tabs.length, vsync: this, initialIndex: tabs.length - 1);
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tabController.value.animateTo(tabs.length - 1, duration: Duration.zero);
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_selected.value = tabs.length - 1;
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}
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}
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}
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