WipeDown

Paquete	mx.effects
Clase	public class WipeDown
Herencia	WipeDown MaskEffect Effect EventDispatcher Object

Versión del lenguaje:

ActionScript 3.0

Versión de producto:

Flex 3

Versiones de motor de ejecución:

Flash Player 9, AIR 1.1

Desde Flex 4.0, Adobe recomienda la utilización de la clase spark.effects.Wipe como una alternativa a esta clase.

The direction-specific Wipe effects in Flex 3 have been replaced by a more generic Wipe effect that takes a generic direction. To get similar behavior from the new Wipe effect, set the direction parameter appropriately.

The WipeDown class defines a wipe down effect. The before or after state of the component must be invisible.

You often use this effect with the showEffect and hideEffect triggers. The showEffect trigger occurs when a component becomes visible by changing its visible property from false to true. The hideEffect trigger occurs when the component becomes invisible by changing its visible property from true to false.

This effect inherits the MaskEffect.show property. If you set the value to true, the component appears. If you set the value to false, the component disappears. The default value is true.

If you specify this effect for a showEffect or hideEffect trigger, Flex sets the show property for you, either to true if the component becomes invisible, or false if the component becomes visible.

Sintaxis MXML expanded

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The <mx:WipeDown> tag inherits all of the tag attributes of its superclass, and adds the following tag attributes:

  <mx:WipeDown
    id="ID"
  />

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Elementos de API relacionados

mx.effects.effectClasses.WipeDownInstance

Propiedades públicas

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	Propiedad		Definido por
		className : String [solo lectura] The name of the effect class, such as "Fade".	Effect
		constructor : Object Una referencia a la clase de objeto o función constructora para una instancia de objeto determinada.	Object
		createMaskFunction : Function Function called when the effect creates the mask.	MaskEffect
		customFilter : mx.effects:EffectTargetFilter Specifies a custom filter object, of type EffectTargetFilter, used by the effect to determine the targets on which to play the effect.	Effect
		duration : Number Duration of the effect in milliseconds.	Effect
		effectTargetHost : mx.effects:IEffectTargetHost A property that lets you access the target list-based control of a data effect.	Effect
		filter : String Specifies an algorithm for filtering targets for an effect.	Effect
		hideFocusRing : Boolean Determines whether the effect should hide the focus ring when starting the effect.	Effect
		instanceClass : Class An object of type Class that specifies the effect instance class class for this effect class.	Effect
		isPlaying : Boolean [solo lectura] A read-only flag which is true if any instances of the effect are currently playing, and false if none are.	Effect
		moveEasingFunction : Function Easing function to use for moving the mask.	MaskEffect
		perElementOffset : Number Additional delay, in milliseconds, for effect targets after the first target of the effect.	Effect
		playheadTime : Number Current time position of the effect.	Effect
		relevantProperties : Array An Array of property names to use when performing filtering.	Effect
		relevantStyles : Array An Array of style names to use when performing filtering.	Effect
		repeatCount : int = 1 Number of times to repeat the effect.	Effect
		repeatDelay : int = 0 Amount of time, in milliseconds, to wait before repeating the effect.	Effect
		scaleEasingFunction : Function Easing function to use for scaling the mask.	MaskEffect
		scaleXFrom : Number Initial scaleX for mask.	MaskEffect
		scaleXTo : Number Ending scaleX for mask.	MaskEffect
		scaleYFrom : Number Initial scaleY for mask.	MaskEffect
		scaleYTo : Number Ending scaleY for mask.	MaskEffect
		showTarget : Boolean Specifies that the target component is becoming visible, true, or invisible, false.	MaskEffect
		startDelay : int = 0 Amount of time, in milliseconds, to wait before starting the effect.	Effect
		suspendBackgroundProcessing : Boolean = false If true, blocks all background processing while the effect is playing.	Effect
		target : Object The object to which this effect is applied.	Effect
		targets : Array An Array of objects that are targets for the effect.	Effect
		triggerEvent : Event The Event object passed to this Effect by the EffectManager when an effect is triggered, or null if the effect is not being played by the EffectManager.	Effect
		xFrom : Number Initial position's x coordinate for mask.	MaskEffect
		xTo : Number Destination position's x coordinate for mask.	MaskEffect
		yFrom : Number Initial position's y coordinate for mask.	MaskEffect
		yTo : Number Destination position's y coordinate for mask.	MaskEffect

Propiedades protegidas

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	Propiedad		Definido por
		applyTransitionEndProperties : Boolean This flag controls whether the effect, when run in a transition, automatically applies the property values according to the end state, as opposed to leaving values as set by the effect itself.	Effect
		endValuesCaptured : Boolean = false A flag containing true if the end values of an effect have already been determined, or false if they should be acquired from the current properties of the effect targets when the effect runs.	Effect

Métodos públicos

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	Método		Definido por
		WipeDown(target:Object = null) Constructor.	WipeDown
		addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void Registra un objeto de detector de eventos con un objeto EventDispatcher, de modo que el detector reciba la notificación de un evento.	EventDispatcher
		captureEndValues():void Captures the current values of the relevant properties on the effect's targets and saves them as end values.	Effect
		captureMoreStartValues(targets:Array):void Captures the current values of the relevant properties of an additional set of targets Flex uses this function when a data change effect is run.	Effect
		captureStartValues():void Captures the current values of the relevant properties on the effect's targets.	Effect
		createInstance(target:Object = null):IEffectInstance Creates a single effect instance and initializes it.	Effect
		createInstances(targets:Array = null):Array Takes an Array of target objects and invokes the createInstance() method on each target.	Effect
		deleteInstance(instance:IEffectInstance):void Removes event listeners from an instance and removes it from the list of instances.	Effect
		dispatchEvent(event:Event):Boolean Distribuye un evento en el flujo del evento.	EventDispatcher
		end(effectInstance:IEffectInstance = null):void Interrupts an effect that is currently playing, and jumps immediately to the end of the effect.	Effect
		getAffectedProperties():Array [override] Returns the component properties modified by this effect.	MaskEffect
		hasEventListener(type:String):Boolean Comprueba si el objeto EventDispatcher tiene detectores registrados para un tipo concreto de evento.	EventDispatcher
		hasOwnProperty(name:String):Boolean Indica si un objeto tiene definida una propiedad especificada.	Object
		isPrototypeOf(theClass:Object):Boolean Indica si hay una instancia de la clase Object en la cadena de prototipo del objeto especificado como parámetro.	Object
		pause():void Pauses the effect until you call the resume() method.	Effect
		play(targets:Array = null, playReversedFromEnd:Boolean = false):Array Begins playing the effect.	Effect
		propertyIsEnumerable(name:String):Boolean Indica si existe la propiedad especificada y si es enumerable.	Object
		removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void Elimina un detector del objeto EventDispatcher.	EventDispatcher
		resume():void Resumes the effect after it has been paused by a call to the pause() method.	Effect
		reverse():void Plays the effect in reverse, if the effect is currently playing, starting from the current position of the effect.	Effect
		setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void Establece la disponibilidad de una propiedad dinámica para operaciones de bucle.	Object
		stop():void Stops the effect, leaving the effect targets in their current state.	Effect
		toLocaleString():String Devuelve la representación de cadena de este objeto, con formato según las convenciones específicas de configuración regional.	Object
		toString():String Devuelve la representación de cadena del objeto especificado.	Object
		valueOf():Object Devuelve el valor simple del objeto especificado.	Object
		willTrigger(type:String):Boolean Comprueba si hay registrado un detector de eventos con este objeto EventDispatcher o con cualquiera de sus ascendientes para el tipo de evento concreto.	EventDispatcher

Métodos protegidos

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	Método		Definido por
		applyValueToTarget(target:Object, property:String, value:*, props:Object):void Used internally by the Effect infrastructure.	Effect
		effectEndHandler(event:EffectEvent):void Called when an effect instance has finished playing.	Effect
		effectStartHandler(event:EffectEvent):void This method is called when the effect instance starts playing.	Effect
		effectStopHandler(event:EffectEvent):void Called when an effect instance has stopped by a call to the stop() method.	Effect
		filterInstance(propChanges:Array, target:Object):Boolean Determines the logic for filtering out an effect instance.	Effect
		getValueFromTarget(target:Object, property:String):* Called by the captureStartValues() method to get the value of a property from the target.	Effect
		initInstance(instance:IEffectInstance):void Copies properties of the effect to the effect instance.	Effect
		tweenEventHandler(event:mx.events:TweenEvent):void Called when the TweenEffect dispatches a TweenEvent.	MaskEffect

Eventos

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	Resumen	Definido por
activate	[evento broadcast] Se distribuye cuando Flash Player o AIR pasan a estar activos.	EventDispatcher
deactivate	[evento broadcast] Se distribuye cuando Flash Player o de AIR pasan a estar inactivos.	EventDispatcher
effectEnd	Dispatched when one of the effect's instances finishes playing, either when the instance finishes playing or when the effect is interrupted by a call to the end() method.	Effect
effectStart	Dispatched when the effect starts playing.	Effect
effectStop	Dispatched when the effect has been stopped, which only occurs when the effect is interrupted by a call to the stop() method.	Effect
tweenEnd	Dispatched when the effect ends.	MaskEffect
tweenStart	Dispatched when the effect starts, which corresponds to the first call to the onMoveTweenUpdate() and onScaleTweenUpdate() methods.	MaskEffect
tweenUpdate	Dispatched every time the effect updates the target.	MaskEffect

Información sobre constructores

()

Información sobre

public function WipeDown(target:Object = null)

Versión del lenguaje:

ActionScript 3.0

Versión de producto:

Flex 3

Versiones de motor de ejecución:

Flash Player 9, AIR 1.1

Constructor.

Parámetros

target:Object (default = null) — The Object to animate with this effect.

Ejemplos Cómo utilizar este ejemplo

WipeDownExample.mxml

<?xml version="1.0"?>
<!-- Simple example to demonstrate the WipeDown effect. -->
<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">

    <fx:Declarations>
        <mx:WipeDown id="wipeOut" duration="1000"/>
        <mx:WipeDown id="wipeIn" duration="1000"/>
    </fx:Declarations>

    <s:Panel title="WipeDown Effect Example" width="95%" height="95%" >
        <s:VGroup left="20" right="20" top="20" bottom="20">

            <s:Label width="100%" color="blue"
                text="Use the WipeDown effect to show or hide the text and image."/>

            <mx:Label text="Nokia 9930"
                fontSize="14"
                visible="{cb1.selected}"
                hideEffect="{wipeOut}" showEffect="{wipeIn}"/>

            <mx:Image source="@Embed(source='assets/Nokia_6630.png')"
                visible="{cb1.selected}"
                hideEffect="{wipeOut}" showEffect="{wipeIn}"/>

            <s:CheckBox id="cb1" label="visible" selected="true"/>
        </s:VGroup>

    </s:Panel>
</s:Application>

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