Referenshandbok för ActionScript® 3.0 i Adobe® Flash®-plattformen
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mx.effects 

IEffectInstance  - AS3 Flex

Paketmx.effects
Gränssnittpublic interface IEffectInstance
Implementorer EffectInstance

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

The IEffectInstance interface represents an instance of an effect playing on a target. Each target has a separate effect instance associated with it. An effect instance's lifetime is transitory. An instance is created when the effect is played on a target and is destroyed when the effect has finished playing. If there are multiple effects playing on a target at the same time (for example, a Parallel effect), there is a separate effect instance for each effect.

Effect developers must create an instance class for their custom effects.

Relaterade API-element



Publika egenskaper
 EgenskapDefinieras med
  className : String
[skrivskyddad] The name of the effect class, such as "FadeInstance".
IEffectInstance
  duration : Number
The duration of the effect, in milliseconds.
IEffectInstance
  effect : IEffect
The IEffect object that created this IEffectInstance object.
IEffectInstance
  effectTargetHost : mx.effects:IEffectTargetHost
A property that lets you access the target list-based control of a data effect.
IEffectInstance
  hideFocusRing : Boolean
Determines whether the effect should hide the focus ring when starting the effect.
IEffectInstance
  playheadTime : Number
Current time position of the effect.
IEffectInstance
  propertyChanges : PropertyChanges
Specifies the PropertyChanges object containing the start and end values for the set of properties relevant to the effect's targets.
IEffectInstance
  repeatCount : int
Number of times to repeat the effect.
IEffectInstance
  repeatDelay : int
Amount of time, in milliseconds, to wait before repeating the effect.
IEffectInstance
  startDelay : int
Amount of time, in milliseconds, to wait before starting the effect.
IEffectInstance
  suspendBackgroundProcessing : Boolean
If true, blocks all background processing while the effect is playing.
IEffectInstance
  target : Object
The UIComponent object to which this effect is applied.
IEffectInstance
  triggerEvent : Event
The event, if any, which triggered the playing of the effect.
IEffectInstance
Publika metoder
 MetodDefinieras med
  
Interrupts an effect instance that is currently playing, and jumps immediately to the end of the effect.
IEffectInstance
  
Called by the end() method when the effect finishes playing.
IEffectInstance
  
Called after each iteration of a repeated effect finishes playing.
IEffectInstance
  
This method is called if the effect was triggered by the EffectManager.
IEffectInstance
  
Pauses the effect until you call the resume() method.
IEffectInstance
  
Plays the effect instance on the target.
IEffectInstance
  
Resumes the effect after it has been paused by a call to the pause() method.
IEffectInstance
  
Plays the effect in reverse, starting from the current position of the effect.
IEffectInstance
  
Plays the effect instance on the target after the startDelay period has elapsed.
IEffectInstance
  
Stops the effect, leaving the target in its current state.
IEffectInstance
Egenskapsdetaljer

className

egenskap
className:String  [skrivskyddad]

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

The name of the effect class, such as "FadeInstance".

This is a short or "unqualified" class name that does not include the package name. If you need the qualified name, use the getQualifiedClassName() method in the flash.utils package.



Implementering
    public function get className():String

duration

egenskap 
duration:Number

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

The duration of the effect, in milliseconds.

Standardvärdet är 500.



Implementering
    public function get duration():Number
    public function set duration(value:Number):void

effect

egenskap 
effect:IEffect

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

The IEffect object that created this IEffectInstance object.



Implementering
    public function get effect():IEffect
    public function set effect(value:IEffect):void

effectTargetHost

egenskap 
effectTargetHost:mx.effects:IEffectTargetHost

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

A property that lets you access the target list-based control of a data effect. This property enables an instance of an effect class to communicate with the list-based control on which the effect is playing.



Implementering
    public function get effectTargetHost():mx.effects:IEffectTargetHost
    public function set effectTargetHost(value:mx.effects:IEffectTargetHost):void

hideFocusRing

egenskap 
hideFocusRing:Boolean

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Determines whether the effect should hide the focus ring when starting the effect. The effect target is responsible for the hiding the focus ring. Subclasses of the UIComponent class hide the focus ring automatically. If the effect target is not a subclass of the UIComponent class, you must add functionality to it to hide the focus ring.

Set this property to true to hide the focus ring during the effect.

For subclasses of Effect, the default value is false. For subclasses of MaskEffect, the default value is true.



Implementering
    public function get hideFocusRing():Boolean
    public function set hideFocusRing(value:Boolean):void

playheadTime

egenskap 
playheadTime:Number

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Current time position of the effect. This property has a value between 0 and the total duration, which includes the Effect's startDelay, repeatCount, and repeatDelay.



Implementering
    public function get playheadTime():Number
    public function set playheadTime(value:Number):void

propertyChanges

egenskap 
propertyChanges:PropertyChanges

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Specifies the PropertyChanges object containing the start and end values for the set of properties relevant to the effect's targets. This property is only set if the captureStartValues() method was called on the effect that created this effect instance.

You often use the propertyChanges property to create an effect that is used as part of a transition. Flex automatically calls the captureStartValues() method when it starts a transition. Within your override of the Effectinstance.play() method, you can examine the information within the propertyChanges() method to initialize the start and end values of the effect.



Implementering
    public function get propertyChanges():PropertyChanges
    public function set propertyChanges(value:PropertyChanges):void

Relaterade API-element

repeatCount

egenskap 
repeatCount:int

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Number of times to repeat the effect. Possible values are any integer greater than or equal to 0.

Standardvärdet är 1.



Implementering
    public function get repeatCount():int
    public function set repeatCount(value:int):void

Relaterade API-element

repeatDelay

egenskap 
repeatDelay:int

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Amount of time, in milliseconds, to wait before repeating the effect.

Standardvärdet är 0.



Implementering
    public function get repeatDelay():int
    public function set repeatDelay(value:int):void

Relaterade API-element

startDelay

egenskap 
startDelay:int

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Amount of time, in milliseconds, to wait before starting the effect. Possible values are any int greater than or equal to 0. If the effect is repeated by using the repeatCount property, the startDelay property is applied only the first time the effect is played.

Standardvärdet är 0.



Implementering
    public function get startDelay():int
    public function set startDelay(value:int):void

suspendBackgroundProcessing

egenskap 
suspendBackgroundProcessing:Boolean

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

If true, blocks all background processing while the effect is playing. Background processing includes measurement, layout, and processing responses that have arrived from the server.

Standardvärdet är false.



Implementering
    public function get suspendBackgroundProcessing():Boolean
    public function set suspendBackgroundProcessing(value:Boolean):void

Relaterade API-element

target

egenskap 
target:Object

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

The UIComponent object to which this effect is applied.



Implementering
    public function get target():Object
    public function set target(value:Object):void

Relaterade API-element

triggerEvent

egenskap 
triggerEvent:Event

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

The event, if any, which triggered the playing of the effect. This property is useful when an effect is assigned to multiple triggering events.

If the effect was played programmatically by a call to the play() method, rather than being triggered by an event, this property is null.



Implementering
    public function get triggerEvent():Event
    public function set triggerEvent(value:Event):void
Metoddetaljer

end

()metod
public function end():void

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Interrupts an effect instance that is currently playing, and jumps immediately to the end of the effect. This method is invoked by a call to the Effect.end() method. As part of its implementation, it calls the finishEffect() method.

The effect instance dispatches an effectEnd event when you call this method as part of ending the effect.

In a subclass of EffectInstance, you can optionally override this method As part of your override, you should call the super.end() method from the end of your override, after your logic.

Relaterade API-element

finishEffect

()metod 
public function finishEffect():void

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Called by the end() method when the effect finishes playing. This function dispatches an endEffect event for the effect target.

You do not have to override this method in a subclass. You do not need to call this method when using effects, but you may need to call it if you create an effect subclass.

Relaterade API-element

finishRepeat

()metod 
public function finishRepeat():void

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Called after each iteration of a repeated effect finishes playing.

You do not have to override this method in a subclass. You do not need to call this method when using effects.

initEffect

()metod 
public function initEffect(event:Event):void

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

This method is called if the effect was triggered by the EffectManager. This base class version saves the event that triggered the effect in the triggerEvent property. Each subclass should override this method.

Parametrar

event:Event — The Event object that was dispatched to trigger the effect. For example, if the trigger was a mouseDownEffect, the event would be a MouseEvent with type equal to MouseEvent.MOUSEDOWN.

pause

()metod 
public function pause():void

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Pauses the effect until you call the resume() method.

play

()metod 
public function play():void

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Plays the effect instance on the target. Call the startEffect() method instead to make an effect start playing on an EffectInstance.

In a subclass of EffectInstance, you must override this method. The override must call the super.play() method so that an effectStart event is dispatched from the target.

resume

()metod 
public function resume():void

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Resumes the effect after it has been paused by a call to the pause() method.

reverse

()metod 
public function reverse():void

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Plays the effect in reverse, starting from the current position of the effect.

startEffect

()metod 
public function startEffect():void

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Plays the effect instance on the target after the startDelay period has elapsed. Called by the Effect class. Use this function instead of the play() method when starting an EffectInstance.

stop

()metod 
public function stop():void

Språkversion: ActionScript 3.0
Produktversion: Flex 3
Körningsmiljöversioner: Flash Player 9, AIR 1.1

Stops the effect, leaving the target in its current state. This method is invoked by a call to the Effect.stop() method. As part of its implementation, it calls the finishEffect() method.

The effect instance dispatches an effectEnd event when you call this method as part of ending the effect.





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