Dispatched event when a LONG list of custom converters made completely?

I have a < s:List > custom component:

< local id: ThumbnailList = 'list' top = down "0" = "0" left = "0" right = "0" dataProvider = '{image files' allowMultipleSelection = 'true' dragEnabled = "true" dragMoveEnabled = "true" / >


Who extends sparks list and use the itemRendererFunction to create the custom ItemRenderer:

SerializableAttribute public class ThumbnailList extends list
{

public void ThumbnailList()
{
Super();
itemRendererFunction = getItemRenderer;

}

protected function getItemRenderer (data: Object): ClassFactory
{
var clz: class = DefaultItemRenderer;

clz = ThumbnailRendererImpl;

does not work: failed to add event listener to ItemRenderer

clz.addEventListener ("renderComplete", function ends (event: Event): void {Alert.show ("make full...) ») ;}) ;
return new ClassFactory (clz);
}

}

And my custom ItemRenderer:

<? XML version = "1.0" encoding = "utf-8"? >
< s:ItemRenderer dataChange = "dataChangeHandler (event)" xmlns:fx =" " http://ns.Adobe.com/MXML/2009 "
xmlns:MX = "library://ns.adobe.com/flex/mx" xmlns:s = "library://ns.adobe.com/flex/spark" >

< fx:Script >
<! [CDATA

protected function dataChangeHandler(event:FlexEvent): void {}
IMG.Soruce = data as a string;

}

private function loadComplete (event: Event): void {}
dispatchEvent (new Event ("renderComplete"));
}
[]] >
< / fx:Script >
< s:Graphic >
< s:Group id = 'group' >
< s:layout > < s:HorizontalLayout / > < / s:layout >
< mx:Image id = "img" horizontalCenter = "0" = "0" Red complete = "loadComplete (event); » / >
< / s:Group >
< / s:Graphic >
< / s:ItemRenderer >

The dataprovider of this list is very large and the thumbnails that are created are also very wide... which means

the list takes a long time to make completely.  Once the list is rendered completely, it works fine.  Now, since it

takes a long time to make, I would like to add a popup or progress bar to show the user that the list is rendered.  Thus,.

my question: is it possible to say when ALL the miniature custom renderers have all finished to load their respective

image data?

I have tried everything I can think and am unable to advance this project until I have a solution.

Thank you!

You can compare the number of events sent to the length of the dataProvider.

This could be included in your custom list component then dispatch progress events and a complete event final...

OR

You could manage all this from outside the element of list in your application.  Just to set the events in the bubble of the ItemRenderer and pull

dispatchEvent( new Event( "renderComplete", true ) );

Tags: Flex

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