Adobe® Flex® 4 Language Reference
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mx.effects 
Move 
Packagemx.effects
Classpublic class Move
InheritanceMove Inheritance TweenEffect Inheritance Effect Inheritance EventDispatcher Inheritance Object

Language Version: ActionScript 3.0
Product Version: Flex 3
Runtime Versions: Flash Player 9, AIR 1.1


Starting with Flex 4.0, Adobe recommends that you use the spark.effects.Move class as an alternative to this class.

The Move effect changes the position of a component over a specified time interval. You can specify the initial position with the xFrom and yFrom values, the destination position with xTo and yTo, or the number of pixels to move the component with xBy and yBy.

If you specify any two of the values (initial position, destination, or amount to move), Flex calculates the third. If you specify all three, Flex ignores the xBy and yBy values. If you specify only the xTo and yTo values or the xBy and yBy values, Flex sets xFrom and yFrom to be the object's current position.

If you specify a Move effect for a moveEffect trigger, and if you do not set the six From, To, and By properties, Flex sets them to create a smooth transition between the object's old position and its new position.

You typically apply this effect to a target in a container that uses absolute positioning, such as Canvas, or one with "layout=absolute", such as Application or Panel. If you apply it to a target in a container that performs automatic layout, such as a VBox or Grid container, the move occurs, but the next time the container updates its layout, it moves the target back to its original position. You can set the container's autoLayout property to false to disable the move back, but that disables layout for all controls in the container.

MXML SyntaxexpandedHide MXML Syntax

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

  <mx:Move
    id="ID"
    xFrom="val" 
    yFrom="val"
    xTo="val"
    yTo="val"
    xBy="val"
    yBy="val"
   />
  

View the examples

See also



Public Properties
 PropertyDefined By
 InheritedclassName : String
[read-only] The name of the effect class, such as "Fade".
Effect
 Inheritedconstructor : Object
A reference to the class object or constructor function for a given object instance.
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
 Inheritedduration : Number
Duration of the effect in milliseconds.
Effect
 InheritedeasingFunction : Function = null
The easing function for the animation.
TweenEffect
 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
[read-only] 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
 Inheritedprototype : Object
[static] A reference to the prototype object of a class or function object.
Object
 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
  xBy : Number
Number of pixels to move the components along the x axis.
Move
  xFrom : Number
Initial position's x coordinate.
Move
  xTo : Number
Destination position's x coordinate.
Move
  yBy : Number
Number of pixels to move the components along the y axis.
Move
  yFrom : Number
Initial position's y coordinate.
Move
  yTo : Number
Destination position's y coordinate.
Move
Protected Properties
 PropertyDefined By
 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
Public Methods
 MethodDefined By
  
Move(target:Object = null)
Constructor.
Move
 Inherited
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
 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
Dispatches an event into the event flow.
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
Checks whether the EventDispatcher object has any listeners registered for a specific type of event.
EventDispatcher
 Inherited
Indicates whether an object has a specified property defined.
Object
 Inherited
Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.
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
Indicates whether the specified property exists and is enumerable.
Object
 Inherited
removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void
Removes a listener from the EventDispatcher object.
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
Sets the availability of a dynamic property for loop operations.
Object
 Inherited
Stops the effect, leaving the effect targets in their current state.
Effect
 Inherited
Returns the string representation of this object, formatted according to locale-specific conventions.
Object
 Inherited
Returns the string representation of the specified object.
Object
 Inherited
Returns the primitive value of the specified object.
Object
 Inherited
Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type.
EventDispatcher
Protected Methods
 MethodDefined By
 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
 Inherited
Called when the TweenEffect dispatches a TweenEvent.
TweenEffect
Events
 Event Summary Defined By
 Inherited[broadcast event] Dispatched when the Flash Player or AIR application gains operating system focus and becomes active.EventDispatcher
 Inherited[broadcast event] Dispatched when the Flash Player or AIR application operating loses system focus and is becoming inactive.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
 InheritedDispatched when the tween effect ends.TweenEffect
 InheritedDispatched when the tween effect starts, which corresponds to the first call to the onTweenUpdate() method.TweenEffect
 InheritedDispatched every time the tween effect updates the target.TweenEffect
Property Detail

xBy

property
public var xBy:Number

Language Version: ActionScript 3.0
Product Version: Flex 3
Runtime Versions: Flash Player 9, AIR 1.1

Number of pixels to move the components along the x axis. Values can be negative.

xFrom

property 
public var xFrom:Number

Language Version: ActionScript 3.0
Product Version: Flex 3
Runtime Versions: Flash Player 9, AIR 1.1

Initial position's x coordinate.

xTo

property 
public var xTo:Number

Language Version: ActionScript 3.0
Product Version: Flex 3
Runtime Versions: Flash Player 9, AIR 1.1

Destination position's x coordinate.

yBy

property 
public var yBy:Number

Language Version: ActionScript 3.0
Product Version: Flex 3
Runtime Versions: Flash Player 9, AIR 1.1

Number of pixels to move the components along the y axis. Values can be negative.

yFrom

property 
public var yFrom:Number

Language Version: ActionScript 3.0
Product Version: Flex 3
Runtime Versions: Flash Player 9, AIR 1.1

Initial position's y coordinate.

yTo

property 
public var yTo:Number

Language Version: ActionScript 3.0
Product Version: Flex 3
Runtime Versions: Flash Player 9, AIR 1.1

Destination position's y coordinate.

Constructor Detail

Move

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

Language Version: ActionScript 3.0
Product Version: Flex 3
Runtime Versions: Flash Player 9, AIR 1.1

Constructor.

Parameters
target:Object (default = null) — The Object to animate with this effect.
MoveEffectExample.mxml
<?xml version="1.0"?>
<!-- Simple example to demonstrate the Halo Move 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[

            private function moveImage():void {
                myMove.end();
                myMove.xTo=mouseX-60;
                myMove.play();
            }
      ]]>
    </fx:Script>

    <fx:Declarations>
        <mx:Move id="myMove" target="{img}"/>
    </fx:Declarations>

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

           <s:Label width="100%" color="blue"
               text="Click anywhere on the canvas to move the phone horizontally to that position"/>

             <mx:Canvas id="canvas" width="100%" height="100%" mouseDown="moveImage();">

                  <mx:Image id="img" source="@Embed(source='assets/Nokia_6630.png')"/>

             </mx:Canvas>
        </s:VGroup>
    </s:Panel>
</s:Application>