mx.effects.DefaultTileListEffect - Adobe® Flex® 4 Language Reference (Flex 4)

Package	mx.effects
Class	public class DefaultTileListEffect
Inheritance	DefaultTileListEffect Parallel CompositeEffect Effect EventDispatcher Object

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

The DefaultTileListEffect class defines the default effect applied to the item renderers of a TileList control when the data in the data provider changes. When an item in the TileList control is removed, this effect first fades out the item, then moves the remaining items to their new position. When you add an item to the TileList control, this effect moves the existing items to their new position, then fades in the new item.

You use the itemsChangeEffect style property to apply this effect to a TileList control. The default value of the itemsChangeEffect style property is undefined, meaning it does not use any effect.

You typically set the TileList.offscreenExtraRowsOrColumns property when applying a data effect. Typically, you set TileList.offscreenExtraRowsOrColumns to a small even number, such as 2, for a TileList control.

MXML Syntax expanded

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The <mx:DefaultTileListEffect> tag inherits all the members of its parent and adds the following members:

  <DefaultTileListEffect
    Properties
    color="0xFFFFFF"
    fadeInDuration="350"
    fadeOutDuration="350"
    moveDuration="300"
  />

Default MXML Propertychildren

View the examples

See also

mx.controls.TileList

Public Properties

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	Property		Defined By
		className : String [read-only] The name of the effect class, such as "Fade".	Effect
		color : Number Hex value that represents the color used when fading the added and removed item.	DefaultTileListEffect
		compositeDuration : Number [override] [read-only] Returns the duration of this effect as defined by the duration of all child effects.	Parallel
		constructor : Object A reference to the class object or constructor function for a given object instance.	Object
		fadeInDuration : Number The duration in milliseconds used to fade in renderers for added and removed items.	DefaultTileListEffect
		fadeOutDuration : Number The duration in milliseconds used to fade out renderers for removed and replaced items.	DefaultTileListEffect
		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 [read-only] A read-only flag which is true if any instances of the effect are currently playing, and false if none are.	Effect
		moveDuration : Number The duration in milliseconds applied to renderers for items moved in the control as part of the effect.	DefaultTileListEffect
		playheadTime : Number Current time position of the effect.	Effect
		prototype : Object [static] A reference to the prototype object of a class or function object.	Object
		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
		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
		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

Protected Properties

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	Property		Defined By
		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

Public Methods

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	Method		Defined By
		DefaultTileListEffect() Constructor.	DefaultTileListEffect
		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 Registers an event listener object with an EventDispatcher object so that the listener receives notification of an event.	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 Dispatches an event into the event flow.	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 Checks whether the EventDispatcher object has any listeners registered for a specific type of event.	EventDispatcher
		hasOwnProperty(name:String):Boolean Indicates whether an object has a specified property defined.	Object
		isPrototypeOf(theClass:Object):Boolean Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.	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 Indicates whether the specified property exists and is enumerable.	Object
		removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void Removes a listener from the EventDispatcher object.	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 Sets the availability of a dynamic property for loop operations.	Object
		stop():void Stops the effect, leaving the effect targets in their current state.	Effect
		toLocaleString():String Returns the string representation of this object, formatted according to locale-specific conventions.	Object
		toString():String Returns the string representation of the specified object.	Object
		valueOf():Object Returns the primitive value of the specified object.	Object
		willTrigger(type:String):Boolean Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type.	EventDispatcher

Protected Methods

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	Method		Defined By
		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

Events

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	Summary	Defined By
activate	[broadcast event] Dispatched when the Flash Player or AIR application gains operating system focus and becomes active.	EventDispatcher
deactivate	[broadcast event] Dispatched when the Flash Player or AIR application operating loses system focus and is becoming inactive.	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

Property Detail

color

property

color:Number

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

Hex value that represents the color used when fading the added and removed item.

The default value is 0xFFFFFF.

Implementation
public function get color():Number
public function set color(value:Number):void

fadeInDuration

property

fadeInDuration:Number

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

The duration in milliseconds used to fade in renderers for added and removed items.

The default value is 350.

Implementation
public function get fadeInDuration():Number
public function set fadeInDuration(value:Number):void

fadeOutDuration

property

fadeOutDuration:Number

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

The duration in milliseconds used to fade out renderers for removed and replaced items.

The default value is 350.

Implementation
public function get fadeOutDuration():Number
public function set fadeOutDuration(value:Number):void

moveDuration

property

moveDuration:Number

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

The duration in milliseconds applied to renderers for items moved in the control as part of the effect.

The default value is 300.

Implementation
public function get moveDuration():Number
public function set moveDuration(value:Number):void

Constructor Detail

DefaultTileListEffect

()

Constructor

public function DefaultTileListEffect()

Constructor.

Examples ( How to use this example )

DefaultTileListEffectExample.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.DefaultTileListEffect;
            import mx.effects.easing.Elastic;
            import mx.collections.ArrayCollection;
            import mx.effects.Move;

            [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 deleteItems():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 addItems():void {
                myDP.addItemAt("Z"+zcount++,Math.min(2,myDP.length));
            }
        ]]>
    </fx:Script>

    <!-- Define an instance of the DefaultTileListEffect effect,
         and set its moveDuration and color properties. -->

    <fx:Declarations>
        <mx:DefaultTileListEffect id="myDTLE"
            moveDuration="100"
            color="0x0000ff"/>
    </fx:Declarations>

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

            <mx:TileList id="tlist0"
                height="100%" width="100%"
                columnCount="4" rowCount="4"
                fontSize="18" fontWeight="bold"
                direction="horizontal"
                dataProvider="{myDP}"
                allowMultipleSelection="true"
                offscreenExtraRowsOrColumns="2"
                itemsChangeEffect="{myDTLE}" />

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