Flex - 邊框容器 (BorderContainer)

簡介

BorderContainer 類定義了一組 CSS 樣式，用於控制容器的邊框和背景填充外觀。

類宣告

以下是spark.components.BorderContainer類的宣告：

public class BorderContainer 
   extends SkinnableContainer

公共屬性

公共方法

繼承的方法

此類繼承自以下類的方法：

• spark.components.SkinnableContainer
• spark.components.supportClasses.SkinnableContainerBase
• spark.components.supportClasses.SkinnableComponent
• mx.core.UIComponent
• mx.core.FlexSprite
• flash.display.Sprite
• flash.display.DisplayObjectContainer
• flash.display.InteractiveObject
• flash.display.DisplayObject
• flash.events.EventDispatcher
• Object

Flex BorderContainer 示例

讓我們按照以下步驟，透過建立一個測試應用程式來檢查在 Flex 應用程式中使用 BorderContainer 的方法：

以下是修改後的 mxml 檔案src/com.tutorialspoint/HelloWorld.mxml的內容。

<?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" />
   <fx:Script>
      <![CDATA[
         private function applyBorderContainerProperties():void {
            borderContainer.setStyle("borderWeight",weightStepper.value);
            borderContainer.setStyle("borderColor",colorPicker.selectedColor);
            borderContainer.setStyle("dropShadowVisible",chkShadow.selected);
         }		
      ]]>
   </fx:Script>
   
   <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 = "Layout Panels Demonstration" 
            fontSize = "40" color = "0x777777" styleName = "heading" />
         
         <s:Panel id = "borderContainerPanel" 
            title = "Using BorderContainer" width = "500" 
            height = "300" includeInLayout = "true" visible = "true">
            <s:layout>
               <s:VerticalLayout  gap = "10" verticalAlign = "middle" 
                  horizontalAlign = "center" />
            </s:layout>				
               
            <s:HGroup>
               <s:VGroup>
                  <s:HGroup verticalAlign = "middle" >
                     <s:Label text = "Border Weight:" width = "100" />
                     <s:NumericStepper id = "weightStepper" value = "1" />
                  </s:HGroup>
                  
                  <s:HGroup verticalAlign = "middle">
                     <s:Label text = "Border Color:" width = "100" />
                     <mx:ColorPicker id = "colorPicker" color = "0x323232" />
                  </s:HGroup>
                  
                  <s:HGroup verticalAlign = "middle">
                     <s:Label text = "Drop Shadow:" width = "100" />
                     <s:CheckBox id = "chkShadow" selected = "false" />
                  </s:HGroup>    
                  
                  <s:Button label = "Apply Properties" 
                     click = "applyBorderContainerProperties()" />
               </s:VGroup>
               
               <s:BorderContainer id = "borderContainer" width = "200"
                  backgroundColor = "0xff99ff">
               </s:BorderContainer>    
            </s:HGroup>
         </s:Panel>				
      </s:VGroup>	 
   </s:BorderContainer>	
</s:Application>

完成所有更改後，讓我們像在Flex - 建立應用章節中一樣，在普通模式下編譯並執行應用程式。如果應用程式一切正常，將會產生以下結果：[ 線上試用 ]