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47 lines
1.5 KiB
Dart
47 lines
1.5 KiB
Dart
/*
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* @Author: 一凨
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* @Date: 2018-12-27 14:43:50
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* @Last Modified by: 一凨
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* @Last Modified time: 2018-12-27 15:44:31
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*/
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import 'package:flutter/material.dart';
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import '../../../../common/widget_demo.dart';
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import './demo.dart';
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const String content0 = '''
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### **简介**
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> 一个提供菜单栏弹出对话框的按钮
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- 点击的时候弹出菜单栏对话框，当选择其中一项后会调用 onSelected方法。传递其所选的菜单项的值
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- 可以提供一个child widget或者提供一个icon给它，但是并不能两者都提供
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- 如果什么都没有提供给 PopupMenuButton ，则会根据运行平台创建一个overflow icon
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''';
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const String content1 = '''
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### **基本用法**
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> PopupMenuButton 通常配合 PopupMenuItem 一起使用
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- enabled 标识当前item是否可点击
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- PopupMenuItem 可以在child中传入带有Icon的widget
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- 可以指定 PopupMenuButton 的 初始值 initialValue
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''';
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class Demo extends StatefulWidget {
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static const String routeName = '/components/Menu/PopupMenuButton';
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_DemoState createState() => _DemoState();
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}
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class _DemoState extends State<Demo> {
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@override
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Widget build(BuildContext context) {
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return WidgetDemo(
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contentList: [
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content0,
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content1,
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PopupMenuButtonDemo(),
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],
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codeUrl: 'components/Menu/PopupMenuButton/demo.dart',
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docUrl: 'https://docs.flutter.io/flutter/material/PopupMenuButton-class.html',
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title: 'PopupMenuButton',
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);
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}
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} |