164 lines
4.1 KiB
Dart
164 lines
4.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'menu_meta.dart';
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// final List<NavigationRailDestination> destinations = const [
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// NavigationRailDestination(icon: Icon(Icons.color_lens_outlined), label: Text("颜色板")),
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// NavigationRailDestination(icon: Icon(Icons.add_chart), label: Text("计数器")),
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// NavigationRailDestination(icon: Icon(Icons.person), label: Text("我的")),
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// NavigationRailDestination(icon: Icon(Icons.settings), label: Text("设置")),
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// ];
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const List<MenuMeta> kDeskNavBarMenus = [
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MenuMeta(label: '颜色板', icon: Icons.color_lens_outlined),
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MenuMeta(
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label: '计数器',
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icon: Icons.add_chart,
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),
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MenuMeta(
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label: '我的',
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icon: Icons.person,
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),
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MenuMeta(label: '设置', icon: Icons.settings),
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];
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class TolyNavigationRail extends StatelessWidget {
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final ValueChanged<int> onDestinationSelected;
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final Color backgroundColor;
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final int? selectedIndex;
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final Widget? leading;
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const TolyNavigationRail({
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Key? key,
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required this.onDestinationSelected,
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required this.selectedIndex,
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this.leading,
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required this.backgroundColor,
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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 Container(
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width: 64,
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color: backgroundColor,
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child: Column(
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children: [
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if(leading!=null) leading!,
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Expanded(
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child: LeftNavigationMenu(
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items: kDeskNavBarMenus,
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selectedIndex: selectedIndex,
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onTapItem: onDestinationSelected,
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)),
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// if (selectedIndex == 0) HelpButton()
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],
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),
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);
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}
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}
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class LeftNavigationMenu extends StatelessWidget {
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final List<MenuMeta> items;
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final ValueChanged<int> onTapItem;
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final int? selectedIndex;
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const LeftNavigationMenu(
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{Key? key,
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required this.items,
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required this.selectedIndex,
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required this.onTapItem})
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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 Column(
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children: items.asMap().keys.map((int index) {
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return LeftNavigationBarItemWidget(
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item: items[index],
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selected: index == selectedIndex,
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onTap: () {
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onTapItem.call(index);
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},
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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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class LeftNavigationBarItemWidget extends StatefulWidget {
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final MenuMeta item;
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final bool selected;
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final VoidCallback onTap;
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const LeftNavigationBarItemWidget(
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{Key? key,
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required this.item,
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required this.selected,
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required this.onTap})
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: super(key: key);
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@override
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State<LeftNavigationBarItemWidget> createState() =>
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_LeftNavigationBarItemWidgetState();
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}
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class _LeftNavigationBarItemWidgetState
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extends State<LeftNavigationBarItemWidget> {
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bool _hover = false;
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@override
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Widget build(BuildContext context) {
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Color? bgColor;
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Color iconColor;
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if (widget.selected) {
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bgColor = Colors.white.withOpacity(0.2);
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iconColor = Colors.white;
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} else {
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bgColor = _hover ? Colors.white.withOpacity(0.1) : null;
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iconColor = Colors.white.withOpacity(0.8);
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}
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return InkWell(
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onTap: widget.selected
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? null
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: () {
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widget.onTap();
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setState(() {
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_hover = false;
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});
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},
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onHover: widget.selected
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? null
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: (v) {
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setState(() {
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_hover = v;
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});
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},
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child: Container(
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alignment: Alignment.center,
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margin: EdgeInsets.only(bottom: 10),
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width: 50,
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height: 50,
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decoration: BoxDecoration(
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color: bgColor, borderRadius: BorderRadius.circular(8)),
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child: Wrap(
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direction: Axis.vertical,
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crossAxisAlignment: WrapCrossAlignment.center,
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spacing: 2,
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children: [
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Icon(
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widget.item.icon,
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color: iconColor,
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),
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Text(
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widget.item.label,
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style: TextStyle(color: iconColor, fontSize: 12),
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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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