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PODispatching custom event from repeater component and listen event in other repeater components
 

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  1. PODispatching custom event from repeater component and listen event in other repeater components
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    <p>I have a repeater component with custom event. My repeater components fires custom event holding data. My need is to dispatch event so other repeater components can access data from dispatching component. Any help is needed?</p> <p>Edit: Added whole stuff here.</p> <pre><code> &lt;!-- AttributeMapping.mxml --&gt; &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;mx:Canvas xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" width="100%" height="40" creationComplete="creationCompleteHandler(event)"&gt; &lt;fx:Metadata&gt; [Event(name="mappingChanged", type="MappingChangeEvent")] &lt;/fx:Metadata&gt; &lt;fx:Script&gt; &lt;![CDATA[ import mx.collections.ArrayCollection; import mx.collections.ArrayList; import mx.events.FlexEvent; import mx.events.ValidationResultEvent; import mx.validators.ValidationResult; import spark.events.IndexChangeEvent; private var mappedAttribute:String; [Bindable] private var _sourceAttribute:String; [Bindable] private var targetAttributeCollection:ArrayCollection = new ArrayCollection(); private var _targetAttributes:Array; private var _targetAttribute:String; public function get targetAttribute():String { return _targetAttribute; } public function get targetAttributes():Array { return _targetAttributes; } public function set targetAttributes(value:Array):void { _targetAttributes = value; targetAttributeCollection.source = _targetAttributes; } public function get sourceAttribute():String { return _sourceAttribute; } public function set sourceAttribute(value:String):void { _sourceAttribute = value; } protected function creationCompleteHandler(event:FlexEvent):void { this.addEventListener(MappingChangeEvent.MAPPING_CHANGED, mappingsChanged); } protected function mappingsChanged(event:MappingChangeEvent):void { lblFuck.text = event.MappedAttribute(); } protected function cmbTargetAttribute_changeHandler(event:IndexChangeEvent):void { this._targetAttribute = cmbTargetAttribute.selectedItem as String; dispatchEvent(new MappingChangeEvent(MappingChangeEvent.MAPPING_CHANGED, true, _targetAttribute)); } ]]&gt; &lt;/fx:Script&gt; &lt;s:Label text="{_sourceAttribute}" x="10" verticalCenter="0" id="lblSourceAttribute"/&gt; &lt;!-- &lt;s:DropDownList y="9" right="10" id="ddlTargetAttribute" dataProvider="{targetAttributeCollection}" width="217" prompt="Select target attribute..."/&gt; --&gt; &lt;s:ComboBox id="cmbTargetAttribute" change="cmbTargetAttribute_changeHandler(event)" dataProvider="{targetAttributeCollection}" right="10" verticalCenter="0"/&gt; </code></pre> <p></p> <pre><code>&lt;!-- Main.mxml --&gt; &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;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" minWidth="955" minHeight="600" xmlns:controls="*"&gt; &lt;fx:Declarations&gt; &lt;!-- Place non-visual elements (e.g., services, value objects) here --&gt; &lt;/fx:Declarations&gt; &lt;fx:Script&gt; &lt;![CDATA[ import mx.collections.ArrayCollection; import mx.events.ValidationResultEvent; import mx.validators.ValidationResult; [Bindable] private var targetAttributes:Array = new Array("Product Name", "Price", "Weight", "Lot Size", "Currency", "VAT", "Maximum Order Quantity"); [Bindable] private var sourceAttributes:Array = new Array("Name", "Price", "Product Weight", "Size", "Currency", "VAT", "Max Order Quantity"); ]]&gt; &lt;/fx:Script&gt; &lt;mx:VBox width="492" top="10" bottom="10" left="28"&gt; &lt;mx:Repeater id="attributeMap" dataProvider="{sourceAttributes}"&gt; &lt;controls:AttributeMapping targetAttributes="{targetAttributes}" sourceAttribute="{attributeMap.currentItem}"/&gt; &lt;/mx:Repeater&gt; &lt;/mx:VBox&gt; </code></pre> <p></p> <pre><code>&lt;!-- MappingChangeEvent.as --&gt; package { import flash.events.Event; public class MappingChangeEvent extends Event { public static const MAPPING_CHANGED:String = "mappingChanged"; private var attribute:String; public function MappingChangeEvent(type:String, bubbles:Boolean, attribute:String) { super(type, bubbles); this.attribute = attribute; } override public function clone():Event { return new MappingChangeEvent(type, bubbles, attribute); } public function MappedAttribute():String { return this.attribute; } } } </code></pre>
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    1. PTQuestion
    1. USJarno Lahtinen
    1. USJarno Lahtinen
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      1. PODispatching custom event from repeater component and listen event in other repeater components
      1. This table or related slice is empty.
      1. VTUpMod
    1. COYour code has no repeater; are you sure you posted the right code segment to go with this question?
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      1. PODispatching custom event from repeater component and listen event in other repeater components
      1. USJeffryHouser
    2. COFixed code to include main app also.
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      1. PODispatching custom event from repeater component and listen event in other repeater components
      1. USJarno Lahtinen
    3. COTry again w/ a runnable sample. Right now you just have a mish-mash of stuff w/ no relation to each other.
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      1. PODispatching custom event from repeater component and listen event in other repeater components
      1. USJeffryHouser
 

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