////////////////////////////////////////////////////////////////////////////////
//
// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////////
package mx.effects.effectClasses
{
import mx.effects.EffectTargetFilter;
/**
* HideShowEffectTargetFilter is a subclass of EffectTargetFilter
* that handles the logic for filtering targets that have been shown or hidden
* by modifying their visible
property.
* If you set the Effect.filter property to hide
* or show
, one of these is used.
*
* @langversion 3.0
* @playerversion Flash 9
* @playerversion AIR 1.1
* @productversion Flex 3
*/
public class HideShowEffectTargetFilter extends EffectTargetFilter
{
include "../../core/Version.as";
//--------------------------------------------------------------------------
//
// Constructor
//
//--------------------------------------------------------------------------
/**
* Constructor.
*
* @langversion 3.0
* @playerversion Flash 9
* @playerversion AIR 1.1
* @productversion Flex 3
*/
public function HideShowEffectTargetFilter()
{
super();
filterProperties = [ "visible" ];
}
//--------------------------------------------------------------------------
//
// Properties
//
//--------------------------------------------------------------------------
//----------------------------------
// show
//----------------------------------
/**
* Determines if this is a show or hide filter.
*
* @default true
*
* @langversion 3.0
* @playerversion Flash 9
* @playerversion AIR 1.1
* @productversion Flex 3
*/
public var show:Boolean = true;
//--------------------------------------------------------------------------
//
// Overridden methods
//
//--------------------------------------------------------------------------
/**
* @private
*/
override protected function defaultFilterFunction(
propChanges:Array,
instanceTarget:Object):Boolean
{
var n:int = propChanges.length;
for (var i:int = 0; i < n; i++)
{
var props:PropertyChanges = propChanges[i];
if (props.target == instanceTarget)
return props.end["visible"] == show;
}
return false;
}
}
}