Paket | mx.effects |
Klass | public class RemoveItemAction |
Arv | RemoveItemAction Effect EventDispatcher Object |
Språkversion: | ActionScript 3.0 |
Produktversion: | Flex 3 |
Körningsmiljöversioner: | Flash Player 9, AIR 1.1 |
The <mx:RemoveItemAction>
tag
inherits all of the tag attributes of its superclass,
and adds no new tag attributes:
<mx:RemoveItemAction />
Relaterade API-element
Publika egenskaper
Skyddade egenskaper
Publika metoder
Metod | Definieras med | ||
---|---|---|---|
RemoveItemAction(target:Object = null)
Constructor. | RemoveItemAction | ||
addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
Registrerar ett händelseavlyssnarobjekt för ett EventDispatcher-objekt så att avlyssnaren får meddelanden om händelser. | EventDispatcher | ||
Captures the current values of the relevant properties
on the effect's targets and saves them as end values. | Effect | ||
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 | ||
Captures the current values of the relevant properties
on the effect's targets. | Effect | ||
Creates a single effect instance and initializes it. | Effect | ||
Takes an Array of target objects and invokes the
createInstance() method on each target. | Effect | ||
Removes event listeners from an instance
and removes it from the list of instances. | Effect | ||
Skickar en händelse till händelseflödet. | EventDispatcher | ||
Interrupts an effect that is currently playing,
and jumps immediately to the end of the effect. | Effect | ||
Returns an Array of Strings, where each String is the name
of a property changed by this effect. | Effect | ||
Kontrollerar om EventDispatcher-objektet har några avlyssnare registrerade för en viss typ av händelse. | EventDispatcher | ||
Anger om det finns en egenskap angiven för ett objekt. | Object | ||
Anger om en instans av klassen Object finns i prototypkedjan för objektet som anges som parameter. | Object | ||
Pauses the effect until you call the resume() method. | Effect | ||
Begins playing the effect. | Effect | ||
Anger om den angivna egenskapen finns och är uppräkningsbar. | Object | ||
Tar bort en avlyssnare från EventDispatcher-objektet. | EventDispatcher | ||
Resumes the effect after it has been paused
by a call to the pause() method. | Effect | ||
Plays the effect in reverse, if the effect is currently playing,
starting from the current position of the effect. | Effect | ||
Anger tillgänglighet för en dynamisk egenskap för slingåtgärder. | Object | ||
Stops the effect, leaving the effect targets in their current state. | Effect | ||
Returnerar det här objektets strängrepresentation, formaterad i enlighet med språkspecifika konventioner. | Object | ||
Returnerar det angivna objektets strängbeteckning. | Object | ||
Returnerar det angivna objektets primitiva värde. | Object | ||
Kontrollerar om en händelseavlyssnare är registrerad för det här EventDispatcher-objektet eller något av dess överordnade objekt för den angivna händelsetypen. | EventDispatcher |
Skyddade metoder
Konstruktordetaljer
RemoveItemAction | () | Konstruktor |
Exempel Så här använder du exemplet
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>
Tue Jun 12 2018, 01:40 PM Z