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POComboBox in ActionScript 3 (Flex)
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copied!<p>I have to use a menu in my actionscript project (FLARManager + Away3D) and I want to use a combobox. I try but I fail.</p> <p>My simple code is</p> <pre><code>import spark.components.ComboBox; import mx.collections.ArrayCollection; public class MyComboBox extends ComboBox { public function MyComboBox() { super(); var dp_ac:ArrayCollection = new ArrayCollection([ {label: "test 1"}, {label: "test 2"}, {label: "test 2"} ]); this.dataProvider = dp_ac; this.labelField = "label"; this.x=200; this.y=-200; this.width=20; this.height=10; } } </code></pre> <p>Then, in my project file I code:</p> <pre><code>import aplicacion.MyComboBox; import artedra.*; import com.transmote.flar.FLARManager; import com.transmote.flar.marker.FLARMarker; import com.transmote.flar.marker.FLARMarkerEvent; import com.transmote.flar.tracker.FLARToolkitManager; import flash.display.Sprite; import flash.events.Event; import flash.events.KeyboardEvent; import spark.components.ComboBox; import spark.components.Group; [SWF(width="800", height="600", frameRate="30", backgroundColor="#C0C0C0")] /** * * @author Iago Laz * */ public class ARapp extends Sprite { private var flarManager:FLARManager; private var activeMarker:FLARMarker; private var artedraManager:IARTeDraManager = new ARTeDraManager(stage); private var targetDetected:Boolean = new Boolean(false); private var next:Number = ARTeDraManager.GRID; public function ARapp () { addEventListener(Event.ADDED_TO_STAGE,onAdded); } private function onAdded (evt:Event) :void { removeEventListener(Event.ADDED_TO_STAGE,onAdded); flarManager = new FLARManager("../resources/flarConfig.xml",new FLARToolkitManager(),stage); flarManager.addEventListener(FLARMarkerEvent.MARKER_ADDED,onMarkerAdded); flarManager.addEventListener(FLARMarkerEvent.MARKER_UPDATED,onMarkerUpdated); flarManager.addEventListener(FLARMarkerEvent.MARKER_REMOVED,onMarkerRemoved); flarManager.addEventListener(Event.INIT,onFlarManagerInited); } private function onFlarManagerInited (evt:Event) :void { flarManager.removeEventListener(Event.INIT,onFlarManagerInited); artedraManager.showModel(); artedraManager.showViews(); artedraManager.showGridDots(ARTeDraManager.GRID); var g:Group = new Group(); var cb:MyComboBox = new MyComboBox(); g.addElement(cb); stage.addEventListener(KeyboardEvent.KEY_DOWN,reportKeyDown); stage.addEventListener(Event.ENTER_FRAME,onEnterFrame); } private function reportKeyDown(event:KeyboardEvent):void { if(event.keyCode==32) { if(next==ARTeDraManager.DOTS) next=ARTeDraManager.EMPTY; else next++; artedraManager.showGridDots(next); } } private function onMarkerAdded (evt:FLARMarkerEvent) :void { trace("["+evt.marker.patternId+"] added"); activeMarker = evt.marker; targetDetected = true; } private function onMarkerUpdated (evt:FLARMarkerEvent) :void { activeMarker = evt.marker; targetDetected = true; } private function onMarkerRemoved(evt:FLARMarkerEvent):void { trace("["+evt.marker.patternId+"] removed"); activeMarker = null; targetDetected = false; } private function onEnterFrame(evt:Event):void { if(activeMarker) { artedraManager.rotateShapes(activeMarker.rotationZ); } artedraManager.showSphereMarkerDetected(targetDetected); artedraManager.renderScenes(); } } </code></pre> <p>But it doesn't show anything. I think I'm missing something but I don't know what.</p> <p>Can anyone help me, please?</p> <p>Edit with error message:</p> <pre><code>TypeError: Error #1009: No se puede acceder a una propiedad o a un m賯do de una referencia a un objeto nulo. at mx.styles::StyleManager$/getStyleManager()[E:\dev\4.x\frameworks\projects\framework\src\mx\styles\StyleManager.as:125] at mx.styles::StyleProtoChain$/getStyleManager()[E:\dev\4.x\frameworks\projects\framework\src\mx\styles\StyleProtoChain.as:970] at mx.styles::StyleProtoChain$/initProtoChain()[E:\dev\4.x\frameworks\projects\framework\src\mx\styles\StyleProtoChain.as:149] at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::initProtoChain()[E:\dev\4.x\frameworks\projects\framework\src\mx\core\UIComponent.as:10446] at mx.core::UIComponent/regenerateStyleCache()[E:\dev\4.x\frameworks\projects\framework\src\mx\core\UIComponent.as:10509] at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::addingChild()[E:\dev\4.x\frameworks\projects\framework\src\mx\core\UIComponent.as:7213] at mx.core::UIComponent/addChildAt()[E:\dev\4.x\frameworks\projects\framework\src\mx\core\UIComponent.as:6943] at spark.components::Group/addDisplayObjectToDisplayList()[E:\dev\4.x\frameworks\projects\spark\src\spark\components\Group.as:1825] at spark.components::Group/http://www.adobe.com/2006/flex/mx/internal::elementAdded()[E:\dev\4.x\frameworks\projects\spark\src\spark\components\Group.as:1416] at spark.components::Group/addElementAt()[E:\dev\4.x\frameworks\projects\spark\src\spark\components\Group.as:1183] at spark.components::Group/addElement()[E:\dev\4.x\frameworks\projects\spark\src\spark\components\Group.as:1141] at aplicacion::ARapp/onFlarManagerInited()[C:\Users\Iago\workspace\PFG_ARTeDra\src\aplicacion\ARapp.as:75] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at com.transmote.flar::FLARManager/onTrackerComplete()[C:\Users\Iago\workspace\PFG_ARTeDra\src\com\transmote\flar\FLARManager.as:1098] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at com.transmote.flar.tracker::FLARToolkitManager/onTrackerComplete()[C:\Users\Iago\workspace\PFG_ARTeDra\src\com\transmote\flar\tracker\FLARToolkitManager.as:384] at com.transmote.flar.tracker::FLARToolkitManager/initTracker()[C:\Users\Iago\workspace\PFG_ARTeDra\src\com\transmote\flar\tracker\FLARToolkitManager.as:332] at com.transmote.flar::FLARManager/onTrackerInited()[C:\Users\Iago\workspace\PFG_ARTeDra\src\com\transmote\flar\FLARManager.as:1080] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at com.transmote.flar.tracker::FLARToolkitManager/checkForInitComplete()[C:\Users\Iago\workspace\PFG_ARTeDra\src\com\transmote\flar\tracker\FLARToolkitManager.as:374] at com.transmote.flar.tracker::FLARToolkitManager/onPatternsLoaded()[C:\Users\Iago\workspace\PFG_ARTeDra\src\com\transmote\flar\tracker\FLARToolkitManager.as:364] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at com.transmote.flar.pattern::FLARPatternLoader/checkForLoadCompletion()[C:\Users\Iago\workspace\PFG_ARTeDra\src\com\transmote\flar\pattern\FLARPatternLoader.as:205] at com.transmote.flar.pattern::FLARPatternLoader/onPatternLoaded()[C:\Users\Iago\workspace\PFG_ARTeDra\src\com\transmote\flar\pattern\FLARPatternLoader.as:197] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at flash.net::URLLoader/onComplete() </code></pre>

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