Sequence

Pacchetto	mx.effects
Classe	public class Sequence
Ereditarietà	Sequence CompositeEffect Effect EventDispatcher Object

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 3

Versioni runtime:

Flash Player 9, AIR 1.1

The Sequence effect plays multiple child effects one after the other, in the order in which they are added.

You can create a Sequence effect in MXML, as the following example shows:

  <mx:Sequence id="WipeRightUp">
    <mx:children>
      <mx:WipeRight duration="1000"/>
      <mx:WipeUp duration="1000"/>
    </mx:children>
  </mx:Sequence>
  
  <mx:VBox id="myBox" hideEffect="{WipeRightUp}">
    <mx:TextArea id="aTextArea" text="hello"/>
  </mx:VBox>

Notice that the <mx:children> tag is optional.

Starting a composite effect in ActionScript is usually a five-step process:

Create instances of the effect objects to be composited together; for example:
```
myFadeEffect = new mx.effects.Fade(target);
```
Set properties, such as duration, on the individual effect objects.
Create an instance of the Sequence effect object; for example:
```
mySequenceEffect = new mx.effects.Sequence();
```
Call the addChild() method for each of the effect objects; for example:
```
mySequenceEffect.addChild(myFadeEffect);
```
Invoke the Sequence effect's play() method; for example:
```
mySequenceEffect.play();
```

Sintassi MXML expanded

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

  <mx:Sequence id="identifier">
    <mx:children>
      <!-- Specify child effect tags --> 
    </mx:children>
  </mx:Sequence>

Proprietà MXML predefinitachildren

Vedere gli esempi

Altri esempi

Creating composite effects

Elementi API correlati

mx.effects.effectClasses.SequenceInstance

Proprietà pubbliche

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	Proprietà		Definito da
		children : Array An Array containing the child effects of this CompositeEffect.	CompositeEffect
		className : String [sola lettura] The name of the effect class, such as "Fade".	Effect
		compositeDuration : Number [override] [sola lettura] Returns the duration of this effect as defined by the duration of all child effects.	Sequence
		constructor : Object Un riferimento all'oggetto classe o alla funzione di costruzione per una determinata istanza di oggetto.	Object
		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 [sola lettura] A read-only flag which is true if any instances of the effect are currently playing, and false if none are.	Effect
		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
		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

Proprietà protette

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	Proprietà		Definito da
		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

Metodi pubblici

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	Metodo		Definito da
		Sequence(target:Object = null) Constructor.	Sequence
		addChild(childEffect:IEffect):void Adds a new child effect to this composite effect.	CompositeEffect
		addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void Registra un oggetto listener di eventi con un oggetto EventDispatcher, in modo che il listener riceva la notifica di 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 Invia un evento nel flusso di eventi.	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 Returns an Array of Strings, where each String is the name of a property changed by this effect.	Effect
		hasEventListener(type:String):Boolean Verifica se per l'oggetto EventDispatcher sono presenti listener registrati per un tipo specifico di evento.	EventDispatcher
		hasOwnProperty(name:String):Boolean Indica se per un oggetto è definita una proprietà specifica.	Object
		isPrototypeOf(theClass:Object):Boolean Indica se un'istanza della classe Object si trova nella catena di prototipi dell'oggetto specificato come parametro.	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 se la proprietà specificata esiste ed è enumerabile.	Object
		removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void Rimuove un listener dall'oggetto 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 Imposta la disponibilità di una proprietà dinamica per le operazioni cicliche.	Object
		stop():void Stops the effect, leaving the effect targets in their current state.	Effect
		toLocaleString():String Restituisce la rappresentazione in formato stringa di questo oggetto, formattato in base alle convenzioni specifiche per le versioni localizzate.	Object
		toString():String Restituisce la rappresentazione in formato stringa dell'oggetto specificato.	Object
		valueOf():Object Restituisce il valore di base dell'oggetto specificato.	Object
		willTrigger(type:String):Boolean Verifica se un listener di eventi è registrato con questo oggetto EventDispatcher o qualsiasi suo antenato per il tipo di evento specificato.	EventDispatcher

Metodi protetti

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	Metodo		Definito da
		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

Eventi

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	Riepilogo	Definito da
activate	[evento di trasmissione] Inviato quando Flash Player o l'applicazione AIR ottiene lo stato di attivazione del sistema operativo ed entra nello stato attivo.	EventDispatcher
deactivate	[evento di trasmissione] Inviato quando Flash Player o l'applicazione AIR perde l'attivazione del sistema operativo e sta entrando nello stato inattivo.	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

Descrizione delle proprietà

compositeDuration

proprietà

compositeDuration:Number [sola lettura] [override]

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 3

Versioni runtime:

Flash Player 9, AIR 1.1

Returns the duration of this effect as defined by the duration of all child effects. This takes into account the startDelay and repetition info for all child effects, along with their durations, and returns the appropriate result.

Implementazione
override public function get compositeDuration():Number

Descrizione della funzione di costruzione

()

Funzione di costruzione

public function Sequence(target:Object = null)

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 3

Versioni runtime:

Flash Player 9, AIR 1.1

Constructor.

Parametri

target:Object (default = null) — This argument is ignored for Sequence effects. It is included only for consistency with other types of effects.

Esempi Come utilizzare questo esempio

SequenceEffectExample.mxml

<?xml version="1.0" encoding="utf-8"?>
<!-- Simple example to demonstrate the Sequence 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:Script>
        <![CDATA[
            import mx.effects.easing.*;
        ]]>
    </fx:Script>
    <fx:Declarations>
        <mx:Sequence id="movePauseMove">
            <mx:Move xBy="150" duration="2000" easingFunction="Bounce.easeOut"/>
            <mx:Pause duration="2000"/>
            <mx:Move xBy="-150" duration="2000" easingFunction="Bounce.easeIn"/>
        </mx:Sequence>
    </fx:Declarations>

    <s:Panel title="Sequence Effect Example" width="75%" height="75%" >
        <s:VGroup left="20" right="20" top="20" bottom="20">

        <s:Label width="100%" color="blue"
            text="Click the phone image to start the Sequence effect. The effect pauses for 2 seconds between moves."/>

        <mx:Image
            source="@Embed(source='assets/Nokia_6630.png')"
            mouseDownEffect="{movePauseMove}"/>
        </s:VGroup>
    </s:Panel>
</s:Application>

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Sequence - AS3 Flex

Classi x

compositeDuration

Sequence