有没有一种简单的方法可以在子容器调整大小时调整父容器(例如组)的大小?
下面是一个小示例应用程序。当我将 200x200 的“食物”放在“胃”中时,它包含 100x100 的“身体”应该调整大小以容纳食物。
有任何想法吗?
(来自这个要点http://gist.github.com/301292)
<?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/halo"
minWidth="1024"
minHeight="768"
creationComplete="application1_creationCompleteHandler(event)">
<fx:Script>
<![CDATA[
import mx.events.FlexEvent;
protected function application1_creationCompleteHandler(event:FlexEvent):void {
}
protected function eatFoodTrigger_clickHandler(event:MouseEvent):void {
var food:Border = new Border();
food.setStyle('backgroundColor', 0x15DCA9);
food.width = 200;
food.height = 200;
stomach.addElement(food);
}
]]>
</fx:Script>
<s:Group verticalCenter="0" horizontalCenter="0">
<s:layout>
<s:VerticalLayout horizontalAlign="center" />
</s:layout>
<s:Label fontSize="24" text="The 100x100 pink/brown body has a stomach inside it.
Press eat and the stomach gets 200x200 'food' added to it.
I want the body and the stomach to expand to fit the food." width="200">
</s:Label>
<s:Border id="body"
backgroundColor="0x333333"
minWidth="100"
minHeight="100"
borderColor="0xFF4466"
borderWeight="5">
<s:Group id="stomach">
</s:Group>
</s:Border>
<s:Button id="eatFoodTrigger" click="eatFoodTrigger_clickHandler(event)" label="eat" />
</s:Group>
</s:Application>