headerRenderer probably behaves the same as itemRenderers in that they are children of the parent document from which they "spring"
In that case you would refer to the actionScript in the parent document using the parent prefix this.parentDocument.myActionScript(); HTH [EMAIL PROTECTED] wrote: > Hi All, > > I have a datagrid with a combobox in the Header field. I need to know > how to use this as a filter. I'm working with an example of a combobox > that acts as a filter to a datagrid. This works perfectly. I also know > how to put the combobox in the header of a datagrid using a > headerRenderer. I don't know how to make the filter work once its in > the datagrid header. Part of the problem is that the combobox has to be > in a separate MXML file. Once its separate I can't (or don't know how) > to reference its properties in script. I'm including the code at the > bottom. I've had to comment out a lot of the script in order to get > this to work. > > Thanks in advance for any of your help. > > Lois > > ************************************************************************************** > Main Application > > <?xml version="1.0" encoding="utf-8"?> > <mx:Application > xmlns:mx="http://www.adobe.com/2006/mxml"; > xmlns:comp="*" > creationComplete="simpletestCat.send();simpletestFood.send()" > > > <mx:Script> > <![CDATA[ > import mx.controls.dataGridClasses.DataGridColumn; > import mx.collections.ArrayCollection; > > [Bindable] > public var categoryList:ArrayCollection; > [Bindable] > public var foodList:ArrayCollection; > > /* public function filterByCategory(event:Event):void{ > if (event.target.selectedIndex == 0){ > foodList.filterFunction = null; > }else { > foodList.filterFunction = catFilter; > } > foodList.refresh(); > } */ > > // public function catFilter(item:Object):Boolean { > // return item.category_name == > categorySelect.selectedItem.category_name; > // } > ]]> > </mx:Script> > > <mx:HTTPService id="simpletestCat" > url="assets\categorylist.xml" /> > <mx:HTTPService id="simpletestFood" > url="assets\foodlist.xml" > result="foodList=simpletestFood.lastResult.list.food"/> > > <mx:DataGrid id="foodListBox" width="100%" dataProvider="{foodList}"> > <mx:columns> > <mx:DataGridColumn headerText="Product Name" > dataField="product_name"/> > <mx:DataGridColumn headerRenderer="CBoxTest" > dataField="category_name"/> > <mx:DataGridColumn headerText="Product Price" > dataField="product_price"/> > </mx:columns> > </mx:DataGrid> > > </mx:Application> > > ****************************************************** > > ****************************************************** > Combobox MXML Component named CBoxTest.mxml > > <?xml version="1.0" encoding="utf-8"?> > <mx:HBox xmlns:mx="http://www.adobe.com/2006/mxml";> > <mx:ComboBox id="categorySelect" width="174"> > <mx:Object label="Korean" data="A" /> > <mx:Object label="Indian" data="B" /> > <mx:Object label="Thai" data="C" /> > <mx:Object label="Japanese" data="D" /> > <mx:Object label="Ethiopian" data="E" /> > > </mx:ComboBox> > </mx:HBox> > > > >
