Filter Effect
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<!-- transitions\EffectFilterExample.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:mx="library://ns.adobe.com/flex/mx" xmlns:s="library://ns.adobe.com/flex/spark"
creationComplete="initFilter(event);" width="700">
<fx:Script>
import mx.effects.EffectTargetFilter;
import flash.events.Event;
// This function returns true for the Panel moving to x=110.
public function filterFunc(propChanges:Array,
instanceTarget:Object):Boolean {
// Determine the length of the propChanges Array.
for (var i:uint=0; i < propChanges.length; i++)
{
// Determine the Array element
// that matches the effect target.
if (propChanges[i].target == instanceTarget)
{
// Check whether the end Object contains
// a value for x.
if (propChanges[i].end["x"] != undefined)
{
// Return true if the end value for x is 110.
return (propChanges[i].end.x == 110);
}
}
}
return false;
}
// Define the EffectTargetFilter object.
private var myBlurFilter:EffectTargetFilter;
// Initialize the EffectTargetFilter object, and set the
// customFilter property for two Blur effects.
private function initFilter(event:Event):void {
myBlurFilter = new EffectTargetFilter();
myBlurFilter.filterFunction=filterFunc;
myBlur.customFilter=myBlurFilter;
myUnBlur.customFilter=myBlurFilter;
}
</fx:Script>
<!-- Define the two view states, in addition to the base state.-->
<s:states>
<s:State name="default" />
<s:State name="One" />
<s:State name="Two" />
</s:states>
<s:transitions>
<s:Transition fromState="*" toState="*">
<s:Sequence id="t1" targets="{[p1,p2,p3]}">
<mx:Blur id="myBlur" duration="100" blurXFrom="0.0" blurXTo="10.0"
blurYFrom="0.0" blurYTo="10.0" />
<s:Parallel>
<s:Move duration="400" />
<s:Resize duration="400" />
</s:Parallel>
<mx:Blur id="myUnBlur" duration="100" blurXFrom="10.0"
blurXTo="0.0" blurYFrom="10.0" blurYTo="0.0" />
</s:Sequence>
</s:Transition>
</s:transitions>
<!-- Define the container holding the three Panel containers.-->
<s:Group id="pm" width="100%" height="100%">
<s:Panel id="p1" title="One" x="0" y="0" x.One="110" y.One="0"
x.Two="0" y.Two="0" width="100" height="100" width.One="200"
height.One="210" width.Two="100" height.Two="100" click="currentState='One'">
<s:Label fontSize="24" text="One" />
</s:Panel>
<s:Panel id="p2" title="Two" x="0" y="110" x.One="0" y.One="0"
x.Two="110" y.Two="0" width="100" height="100" width.One="100"
height.One="100" width.Two="200" height.Two="210" click="currentState='Two'">
<s:Label fontSize="24" text="Two" />
</s:Panel>
<s:Panel id="p3" title="Three" x="110" y="0" x.One="0" y.One="110"
x.Two="0" y.Two="110" width="200" height="210" width.One="100"
height.One="100" width.Two="100" height.Two="100" click="currentState='default'">
<s:Label fontSize="24" text="Three" />
</s:Panel>
</s:Group>
</s:Application>
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