Flex - TabNavigator 控件

简介

TabNavigator 控件是一个导航器容器,它具有一组子容器,但一次只能看到其中一个。

类声明

以下是 mx.containers.TabNavigator 类的声明 −

public class TabNavigator 
   extends ViewStack 
      implements IFocusManagerComponent

Protected Properties

Sr.No 属性 &描述
1

tabBar : mx.controls:TabBar

对此 TabNavigator 内的 TabBar 的引用。

2

tabBarStyleFilters : Object

[只读] 从 TabNavigator 传递到 tabBar 的样式集。

公共方法

Sr.No 方法 &描述
1

TabNavigator()

构造函数。

2

getTabAt(index:int):Button

返回导航器 TabBar 控件在指定索引处的选项卡。

受保护的方法

Sr.No 方法 &描述
1

measure():void

[override] 计算此 TabNavigator 容器的默认大小以及最小值和最大值。

2

updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void

[override] 通过设置此容器的选项卡和子项的位置和大小来响应大小变化。

继承的方法

此类从以下类继承方法 −

  • mx.containers.ViewStack
  • mx.core.Container
  • mx.core.UIComponent
  • mx.core.FlexSprite
  • flash.display.Sprite
  • flash.display.DisplayObjectContainer
  • flash.display.InteractiveObject
  • flash.display.DisplayObject
  • flash.events.EventDispatcher
  • Object

Flex TabNavigator 控件示例

让我们按照以下步骤通过创建测试应用程序 − 来检查 TabNavigator 控件在 Flex 应用程序中的使用情况 −

步骤 描述
1 com.tutorialspoint.client 包下创建一个名为 HelloWorld 的项目,如 Flex - 创建应用程序 一章中所述。
2 按照下文所述修改 HelloWorld.mxml。保持其余文件不变。
3 编译并运行应用程序以确保业务逻辑按要求运行。

以下是修改后的 mxml 文件 src/com.tutorialspoint/HelloWorld.mxml 的内容。

<?xml version = "1.0" encoding = "utf-8"?>
<s:Application xmlns:fx = "http://ns.adobe.com/mxml/2009"
   xmlns:s = "library://ns.adobe.com/flex/spark"
   xmlns:mx = "library://ns.adobe.com/flex/mx
   width = "100%" height = "100%" minWidth = "500" minHeight = "500">
   
   <fx:Style source = "/com/tutorialspoint/client/Style.css" />	   
   <s:BorderContainer width = "630" height = "480" id = "mainContainer" 
      styleName = "container">
      <s:VGroup width = "100%" height = "100%" gap = "50" 
         horizontalAlign = "center" verticalAlign = "middle">
      <s:Label id = "lblHeader" text = "Complex Controls Demonstration" 
         fontSize = "40" color = "0x777777" styleName = "heading" />
            
         <s:Panel id = "tabNavigatorPanel" title = "Using TabNavigator" 
            width = "500" height = "300" >
            <s:layout>
               <s:HorizontalLayout  gap = "10" verticalAlign = "middle" 
                  horizontalAlign = "center" />	
            </s:layout>				
               
            <mx:TabNavigator id = "tabNavigator" width = "95%" height = "90%">
               <s:NavigatorContent label = "Section 1" width = "100%" 
                  height = "100%">
                  <s:VGroup verticalAlign = "middle" horizontalAlign = "center" 
                     width = "100%" height = "100%">
                     <s:Label text = "Contents for Section 1" />	
                  </s:VGroup>							
               </s:NavigatorContent>
                  
               <s:NavigatorContent label = "Section 2" width = "100%" 
                  height = "100%">
                  <s:VGroup verticalAlign = "middle" horizontalAlign = "center"
                     width = "100%" height = "100%">
                     <s:Label text = "Contents for Section 2" />	
                  </s:VGroup>							
               </s:NavigatorContent>
                  
               <s:NavigatorContent label = "Section 3" width = "100%" 
                  height = "100%">
                  <s:VGroup verticalAlign = "middle" horizontalAlign = "center" 
                     width = "100%" height = "100%">
                     <s:Label text = "Contents for Section 3" />	
                  </s:VGroup>							
               </s:NavigatorContent>
                  
               <s:NavigatorContent label = "Section 4" width = "100%" 
                  height = "100%">
                  <s:VGroup verticalAlign = "middle" horizontalAlign = "center" 
                     width = "100%" height = "100%">
                     <s:Label text = "Contents for Section 4" />	
                  </s:VGroup>							
               </s:NavigatorContent>
            </mx:TabNavigator>
         </s:Panel>
      </s:VGroup>	 
   </s:BorderContainer>	
</s:Application>

完成所有更改后,让我们像在 Flex - 创建应用程序 一章中一样,以正常模式编译并运行应用程序。如果您的应用程序一切正常,它将产生以下结果:[ 在线试用 ]

Flex TabNavigator Control

flex_complex_controls.html