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mx.effects 

RemoveItemAction  - AS3 Flex

Pakketmx.effects
Klassepublic class RemoveItemAction
OverervingRemoveItemAction Inheritance Effect Inheritance EventDispatcher Inheritance Object

Taalversie: ActionScript 3.0
Productversie: Flex 3
Runtimeversies: Flash Player 9, AIR 1.1

The RemoveItemAction class defines an action effect that determines when the item renderer disappears from the control for the item renderer of an item being removed from a list-based control, such as List or TileList, or for an item that is replaced by a new item added to the control. You can use this class as part of defining custom data effect for the list-based classes.

MXML-syntaxisexpandedMXML-syntaxis verbergen

The <mx:RemoveItemAction> tag inherits all of the tag attributes of its superclass, and adds no new tag attributes:

  <mx:RemoveItemAction
  />
  

Bekijk de voorbeelden

Verwante API-elementen



Openbare eigenschappen
 EigenschapGedefinieerd door
 InheritedclassName : String
[alleen-lezen] The name of the effect class, such as "Fade".
Effect
 Inheritedconstructor : Object
Verwijzing naar het klasseobject of de constructorfunctie van een bepaalde objectinstantie.
Object
 InheritedcustomFilter : 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
 InheritedeffectTargetHost : mx.effects:IEffectTargetHost
A property that lets you access the target list-based control of a data effect.
Effect
 Inheritedfilter : String
Specifies an algorithm for filtering targets for an effect.
Effect
 InheritedhideFocusRing : Boolean
Determines whether the effect should hide the focus ring when starting the effect.
Effect
 InheritedinstanceClass : Class
An object of type Class that specifies the effect instance class class for this effect class.
Effect
 InheritedisPlaying : Boolean
[alleen-lezen] A read-only flag which is true if any instances of the effect are currently playing, and false if none are.
Effect
 InheritedperElementOffset : Number
Additional delay, in milliseconds, for effect targets after the first target of the effect.
Effect
 InheritedplayheadTime : Number
Current time position of the effect.
Effect
 InheritedrelevantProperties : Array
An Array of property names to use when performing filtering.
Effect
 InheritedrelevantStyles : Array
An Array of style names to use when performing filtering.
Effect
 InheritedrepeatCount : int = 1
Number of times to repeat the effect.
Effect
 InheritedrepeatDelay : int = 0
Amount of time, in milliseconds, to wait before repeating the effect.
Effect
 InheritedstartDelay : int = 0
Amount of time, in milliseconds, to wait before starting the effect.
Effect
 InheritedsuspendBackgroundProcessing : Boolean = false
If true, blocks all background processing while the effect is playing.
Effect
 Inheritedtarget : Object
The object to which this effect is applied.
Effect
 Inheritedtargets : Array
An Array of objects that are targets for the effect.
Effect
 InheritedtriggerEvent : 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
Beschermde eigenschappen
 EigenschapGedefinieerd door
 InheritedapplyTransitionEndProperties : 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
 InheritedendValuesCaptured : 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
Openbare methoden
 MethodeGedefinieerd door
  
RemoveItemAction(target:Object = null)
Constructor.
RemoveItemAction
 Inherited
addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
Registreert een gebeurtenislistenerobject bij een object EventDispatcher, zodat de listener een melding van een gebeurtenis ontvangt.
EventDispatcher
 Inherited
Captures the current values of the relevant properties on the effect's targets and saves them as end values.
Effect
 Inherited
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
 Inherited
Captures the current values of the relevant properties on the effect's targets.
Effect
 Inherited
Creates a single effect instance and initializes it.
Effect
 Inherited
createInstances(targets:Array = null):Array
Takes an Array of target objects and invokes the createInstance() method on each target.
Effect
 Inherited
Removes event listeners from an instance and removes it from the list of instances.
Effect
 Inherited
Verzendt een gebeurtenis naar de gebeurtenisstroom.
EventDispatcher
 Inherited
end(effectInstance:IEffectInstance = null):void
Interrupts an effect that is currently playing, and jumps immediately to the end of the effect.
Effect
 Inherited
Returns an Array of Strings, where each String is the name of a property changed by this effect.
Effect
 Inherited
Controleert of het object EventDispatcher listeners heeft geregistreerd voor een specifiek type gebeurtenis.
EventDispatcher
 Inherited
Geeft aan of voor een object een opgegeven eigenschap is gedefinieerd.
Object
 Inherited
Geeft aan of een instantie van de klasse Object zich in de prototypeketen van het object bevindt dat als parameter is opgegeven.
Object
 Inherited
Pauses the effect until you call the resume() method.
Effect
 Inherited
play(targets:Array = null, playReversedFromEnd:Boolean = false):Array
Begins playing the effect.
Effect
 Inherited
Geeft aan of de opgegeven eigenschap bestaat en kan worden opgesomd.
Object
 Inherited
removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void
Verwijdert een listener uit het object EventDispatcher.
EventDispatcher
 Inherited
Resumes the effect after it has been paused by a call to the pause() method.
Effect
 Inherited
Plays the effect in reverse, if the effect is currently playing, starting from the current position of the effect.
Effect
 Inherited
Stelt de beschikbaarheid van een dynamische eigenschap voor lusbewerkingen in.
Object
 Inherited
Stops the effect, leaving the effect targets in their current state.
Effect
 Inherited
Geeft de tekenreeksweergave van dit object weer, geformatteerd volgens de locatiespecifieke conventies.
Object
 Inherited
Retourneert een tekenreeksrepresentatie van het opgegeven object.
Object
 Inherited
Retourneert de primitieve waarde van het opgegeven object.
Object
 Inherited
Controleert of een gebeurtenislistener is geregistreerd bij dit object EventDispatcher of een van de voorouders voor het opgegeven type gebeurtenis.
EventDispatcher
Beschermde methoden
 MethodeGedefinieerd door
 Inherited
applyValueToTarget(target:Object, property:String, value:*, props:Object):void
Used internally by the Effect infrastructure.
Effect
 Inherited
Called when an effect instance has finished playing.
Effect
 Inherited
This method is called when the effect instance starts playing.
Effect
 Inherited
Called when an effect instance has stopped by a call to the stop() method.
Effect
 Inherited
filterInstance(propChanges:Array, target:Object):Boolean
Determines the logic for filtering out an effect instance.
Effect
 Inherited
getValueFromTarget(target:Object, property:String):*
Called by the captureStartValues() method to get the value of a property from the target.
Effect
 Inherited
Copies properties of the effect to the effect instance.
Effect
Gebeurtenissen
 Gebeurtenis Overzicht Gedefinieerd door
 Inherited[uitgezonden gebeurtenis] Wordt verzonden wanneer Flash Player of de AIR-toepassing de besturingssysteemfocus krijgt en actief wordt.EventDispatcher
 Inherited[uitgezonden gebeurtenis] Wordt verzonden wanneer Flash Player of de AIR-toepassing de systeemfocus verliest en inactief wordt.EventDispatcher
 InheritedDispatched 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
 InheritedDispatched when the effect starts playing.Effect
 InheritedDispatched when the effect has been stopped, which only occurs when the effect is interrupted by a call to the stop() method.Effect
Constructordetails

RemoveItemAction

()Constructor
public function RemoveItemAction(target:Object = null)

Taalversie: ActionScript 3.0
Productversie: Flex 3
Runtimeversies: Flash Player 9, AIR 1.1

Constructor.

Parameters
target:Object (default = null) — The Object to animate with this effect.
AddItemActionEffectExample.mxml
<?xml version="1.0"?>
<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.Elastic;
            import mx.collections.ArrayCollection;

            [Bindable]
            private var myDP:ArrayCollection = new ArrayCollection(
                ['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P']);

            private function deleteItem():void {
                // As each item is removed, the index of the other items changes.
                // So first get the items to delete, then determine their indices
                // as you remove them.
                var toRemove:Array = [];
                for (var i:int = 0; i < tlist0.selectedItems.length; i++)
                    toRemove.push(tlist0.selectedItems[i]);
                for (i = 0; i < toRemove.length; i++)
                    myDP.removeItemAt(myDP.getItemIndex(toRemove[i]));
            }

            private var zcount:int = 0;
            private function addItem():void {
                // Always add the new item after the third item,
                // or after the last item if the length is less than 3.
                myDP.addItemAt("Z"+zcount++,Math.min(3,myDP.length));
            }
        ]]>
    </fx:Script>

    <!-- Define a custom data effect as a Halo Sequence effect. -->
    <fx:Declarations>
        <mx:Sequence id="itemsChangeEffect1">
            <mx:Blur
                blurYTo="12" blurXTo="12"
                duration="300"
                perElementOffset="150"
                filter="removeItem"/>
            <mx:Parallel>
                <mx:Move
                    duration="750"
                    easingFunction="{Elastic.easeOut}"
                    perElementOffset="20"/>
                <mx:RemoveItemAction
                    startDelay="400"
                    filter="removeItem"/>
                <mx:AddItemAction
                    startDelay="400"
                    filter="addItem"/>
                <mx:Blur
                    startDelay="410"
                    blurXFrom="18" blurYFrom="18" blurXTo="0" blurYTo="0"
                    duration="300"
                    filter="addItem"/>
            </mx:Parallel>
        </mx:Sequence>
    </fx:Declarations>

    <s:Panel title="AddItemEffect/RemoveItemEffect Example" width="75%" height="75%" >
        <s:VGroup left="20" right="20" top="20" bottom="20">
        <!-- This TileList uses a custom data change effect -->
        <mx:TileList id="tlist0"
            height="100%" width="100%"
            fontSize="18" fontStyle="italic"
            columnCount="4" rowCount="4"
            direction="horizontal"
            dataProvider="{myDP}"
            allowMultipleSelection="true"
            offscreenExtraRowsOrColumns="4"
            itemsChangeEffect="{itemsChangeEffect1}"/>

            <s:Button
                label="Delete selected item(s)"
            click="deleteItem();"/>
            <s:Button
                label="Add item"
            click="addItem();"/>
        </s:VGroup>
    </s:Panel>
</s:Application>




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