forked from lxm_flutter/FlutterUnit
75 lines
2.1 KiB
Dart
75 lines
2.1 KiB
Dart
import 'package:flutter/material.dart';
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import '../../../components/project/dialogs/dialog_about.dart';
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/// create by 张风捷特烈 on 2020-03-16
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/// contact me by email 1981462002@qq.com
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/// 说明:
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// {
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// "widgetId": 56,
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// "name": 'PopupMenuButton基本使用',
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// "priority": 1,
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// "subtitle":
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// "【itemBuilder】 : 构造器 【PopupMenuItemBuilder<T>】\n"
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// "【offset】 : 偏移 【Offset】\n"
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// "【color】 : 背景颜色 【Color】\n"
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// "【shape】 : 形状 【ShapeBorder】\n"
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// "【elevation】 : 影深 【double】\n"
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// "【onCanceled】 : 取消事件 【Function()】\n"
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// "【onSelected】 : 选择事件 【Function(T)】",
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// }
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class CustomPopupMenuButton extends StatefulWidget {
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@override
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_CustomPopupMenuButtonState createState() => _CustomPopupMenuButtonState();
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}
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class _CustomPopupMenuButtonState extends State<CustomPopupMenuButton> {
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final map = {
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"关于": Icons.info_outline,
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"帮助": Icons.help_outline,
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"问题反馈": Icons.add_comment,
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};
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@override
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Widget build(BuildContext context) {
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return PopupMenuButton<String>(
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itemBuilder: (context) => buildItems(),
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offset: Offset(0, 50),
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color: Color(0xffF4FFFA),
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elevation: 1,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(20),
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bottomRight: Radius.circular(20),
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topRight: Radius.circular(5),
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bottomLeft: Radius.circular(5),
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)),
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onSelected: (e) {
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print(e);
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if (e == '关于') {
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DialogAbout.show(context);
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}
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},
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onCanceled: () => print('onCanceled'),
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);
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}
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List<PopupMenuItem<String>> buildItems() {
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return map.keys
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.toList()
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.map((e) => PopupMenuItem<String>(
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value: e,
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child: Wrap(
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spacing: 10,
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children: <Widget>[
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Icon(
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map[e],
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color: Colors.blue,
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),
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Text(e),
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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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