itemrenderer

问题 I have a database including a user's Date of Birth, but I want to display their age. I have a function which calculates the age but I cannot use it in the ItemRenderer and I don't know why. I don't think it will work if I use this code outside of the ItemRenderer. The DOB is accessed by {data.dob} . Here's my code: <s:GridColumn dataField="age" headerText="Age" width="80"> <s:itemRenderer> <fx:Component> <s:GridItemRenderer> <fx:Script> <![CDATA[ // Retrieving the user's DOB var dateStr

问题 In my application i am having a datagrid which was created dynamically. For each and every cell in datagrid, i am having checkbox as itemrenderer. As of now it is working fine as expected.But while scrolling vertically the checkboxes getting selected/unselected automatically.I got this same problem in "horizontal scrolling" also, but i resolved it by setting "minWidth" for each columns. I am creating datagrid like this, for(i=0;i<recordCount;i++) { var obj:Object = new Object(); for(var j:int

问题 I have a custom renderer (inherits from AdvancedDataGridItemRenderer ), and I'm overriding validateProperties and using the value of the width property, but I'm getting the old value every time! Isn't validateProperties supposed to execute after the properties were committed (I'm calling super)? Here's my code: public override function validateProperties():void { super.validateProperties(); if ((AdvancedDataGrid(listData.owner).columns[listData.columnIndex]. showDataTips)&&(textWidth>width))

问题 I'm having this weird behaviour in a datagridColumn which I've customized to have its cells rendered as checkBoxes rather than the dafault itemRenderer (i.e. strings). The relevant code is as follows: <mx:DataGridColumn sortable="false" textAlign="center" headerText="" width="20" dataField="colCB"> <mx:itemRenderer> <mx:Component> <mx:CheckBox selected="true"> <mx:Script> <![CDATA[ import mx.controls.Alert; public function change():void{ //TODO } ]]> </mx:Script> </mx:CheckBox> </mx:Component

问题 i have a datagrid and for one of the columns im using an item renderer to display content. Im wondering is it possible to access the dataprovider content of the datagrid inside a script block in the itemRenderer. Currently I can access the dataprovider in a component in the item renderer using data.variableName. I want to be able do some error handling on this variable in the script block, any ideas? 回答1: You can specify your own ItemRenderer component. Within the MXML of that component you

问题 I have a List with textInput as itemrenderer. Initially the list is loaded with data from a data provider. However since the items are rendered in textInputs, I have the ability to change the value of a particular item. But when trying to access the value of the changed item using the function below, I still get the old value in my trace: private function addItem(event:Event):void { trace(myDataProvider.getItemAt(myList.selectedIndex).label); } can someone tell me what I need to do for the

问题 I have a custom datagrid. I am passing value of hslider through a property criteria into it. I have an external itemrenderer for this datagrid which extends GridItemRenderer. I want to change the item renderer dynamically based on this property criteria. To access a property from parent component which is 'criteria' I want to access the listData property. For that this custom datagrid implements the IDropinItemRender. But the value of listData coming as null.In my main application I am using

问题 I have a list that uses a itemRendererFunction to get custom item renderers. Is there a way to only reevaluate one item in the list and get different item renderer? imagine code like this : there are two item renderers ItemRendererOne.mxml and ItemRendererTwo.mxml Data.as package { public class Data { private var _data : Boolean = false; [Bindable] public function get data():Boolean { return _data; } public function set data(value:Boolean) : void { _data = value; } public function Data(value

问题 I have textinput within list itemrenderer like main.mxml <s:List id="videoAttachmentsList" itemRenderer.normalView="com.engage.discussion.attachment.renderers.VideoAttachmentRenderer" > <mx:button label="add" click=addevent(Event) /> VideoAttachmentRenderer.as <TextInput styleName="commonTextInput" prompt="Enter a video header" id="headerText" x="75" width="185" height="21" bottom="5" fontSize="10" maxChars="30"/> <fx:Declarations> <mx:StringValidator source="{headerText}" property="text"

问题 Given the following code: <mx:DataGridColumn dataField="ongoing" id="ongoing" headerText="" width="20"> <mx:itemRenderer> <mx:Component> <mx:Image source="logo.jpg" visible="false" /> </mx:Component> </mx:itemRenderer> </mx:DataGridColumn> why would the image always be visible? I know for a fact that data.ongoing is always being set equal to 'False', and I know for a fact that the image is getting this information. That shouldn't even have anything to do with it, as far as I can tell, but I