Hi Sankar, You are on the wrong way. This is not the way you write an itemRenderer. Please refer the folllowing link to get a clear idea about itemrenderers in actionscript.
http://livedocs.adobe.com/flex/201/html/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Book_Parts&file=cellrenderer_072_32.html HTH, -Ravi On Mar 11, 9:31 am, Sankar <[email protected]> wrote: > Hi All, > > am trying to build item renderer for a List component in action > script rather than in mxml. In the action script class am creating a > HBox dynamically and adding Labels to is by overriding the > createChildern() and also overriding the updateDisplayList() and > commitProperties() and in which am setting the values to labels. > > When i run the application in debug mode am able to see the > values being set to the labels but am not seeing the values getting > displayed in the List control. > > Here am posting the code,so that the problem can be > identified. > > Can anyone help me how to resolve this problem? > > <?xml version="1.0" encoding="utf-8"?> > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; > layout="absolute"> > <mx:Script> > <![CDATA[ > import mx.collections.ArrayCollection; > > [Bindable] > private var initData:ArrayCollection = new > ArrayCollection([ > {task:"pay bill", > category:"Office",priority:"Medium"}, > {task:"meet ravi on > sunday",category:"personal",priority:"Low"}, > {task:"buy a > book",category:"friends",priority:"Medium"}, > {task:"play > cricket",category:"friends",priority:"Low"}, > ]); > ]]> > </mx:Script> > > <mx:List dataProvider="{initData}" width="50%" height="50%" > itemRenderer="components.RendererInAS"/> > </mx:Application> > > ItemRenderer file : > > package components > { > > import mx.containers.HBox; > import mx.controls.Label; > import mx.controls.listClasses.BaseListData; > import mx.controls.listClasses.IDropInListItemRenderer; > import mx.controls.listClasses.IListItemRenderer; > import mx.core.UIComponent; > import mx.events.FlexEvent; > > public class RendererInAS extends UIComponent implements > IListItemRenderer { > > public function RendererInAS() { > super(); > } > > // Internal variable for the property value. > private var _data:Object; > > private var _listData:BaseListData; > > // Make the data property bindable. > [Bindable("dataChange")] > > // Define the getter method. > public function get data():Object { > return _data; > } > > // Define the setter method, and dispatch an event when the > property > // changes to support data binding. > public function set data(value:Object):void { > _data = value; > > invalidateProperties(); > dispatchEvent(new FlexEvent(FlexEvent.DATA_CHANGE)); > } > > private var hBox:HBox; > private var task:Label; > private var category:Label; > private var priority:Label; > > override protected function createChildren():void { > super.createChildren(); > > hBox = new HBox(); > > task = new Label(); > category = new Label(); > priority = new Label(); > hBox.addChild (task); > hBox.addChild (category); > hBox.addChild (priority); > } > > override protected function commitProperties():void { > super.commitProperties(); > > hBox.horizontalScrollPolicy = 'off'; > hBox.verticalScrollPolicy = 'off'; > > hBox.percentWidth = 100; > > task.text = _data.task; > category.text = _data.category; > priority.text = _data.priority; > } > > override protected function updateDisplayList > (unscaledWidth:Number, unscaledHeight:Number):void { > super.updateDisplayList(unscaledWidth,unscaledHeight); > hBox.move(0,0); > hBox.setActualSize( (unscaledWidth-4), unscaledHeight); > } > } > > } > > Thanks > sankar --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Flex India Community" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/flex_india?hl=en -~----------~----~----~----~------~----~------~--~---
