Hi Goran-
The Loader is an asynchronous function - so the return statement is
reached before the loader finishes loading the file. One suggestion
would be to pass a callback function reference into the function and
call that when the polygon is actually created, passing the polygon to
it.
- pamela
On Tue, Oct 14, 2008 at 8:26 PM, Goran <[EMAIL PROTECTED]> wrote:
>
> Please help, i'm stuck with this. I want to make function that adds
> polygon from XML and RETURNS POLYGON OBJECT
>
> (specPoly=makePolygonFromXML("data/xml/Opcine/desinic.xml",
> 0xfab000,0.3,2)
>
> so I can reference it later to hide it or remove it, or use it in a
> loop as an array of polygons.
>
> function makePolygonFromXML works, it makes a polygon from XML file
> but it doesn't return the polygon specified
> in function call, specPoly.hide() method doesn't work and all code
> after this method doesn't execute.
>
> Any help would be much appreciated.
> Tnx in advance.
>
> here is the code:
>
> private var specPoly:Polygon //global variable
>
> specPoly=makePolygonFromXML("data/xml/Opcine/desinic.xml",
> 0xfab000,0.3,2) //works
> specPoly.hide() //doesnt'work
>
>
>
> private function
> makePolygonFromXML(xmlFile:String,col:Number,al:Number,wid:Number):Polygon
> {
> var polygon:Polygon
> polygonLoader = new URLLoader()
> polygonLoader.addEventListener(Event.COMPLETE,
> function(event:Event):void {
> var xmlCont:XML=new XML(polygonLoader.data);
> var points:Array = new Array;
> for each (var location:XML in xmlCont..*)
> {
> var LLfromXML:LatLng = new
> LatLng([EMAIL PROTECTED],
> [EMAIL PROTECTED]);
> points.push (LLfromXML)
> }
> var polygonOptions:PolygonOptions= new
> PolygonOptions
> var fillStyle:FillStyle = new FillStyle;
> fillStyle.alpha = al;
> fillStyle.color = col;
> polygonOptions.fillStyle = fillStyle;
>
> var strokeStyle:StrokeStyle = new StrokeStyle;
> strokeStyle.thickness=wid
> strokeStyle.color = 0x000000;
> strokeStyle.alpha=1
> polygonOptions.strokeStyle = strokeStyle
>
> var polygon = new Polygon (points,
> polygonOptions)
> gMap.addOverlay(polygon);
>
>
>
> })
>
> var request:URLRequest=new URLRequest(xmlFile)
>
> try
> {
> polygonLoader.load(request);
> }
> catch(error:Error)
> {
>
> }
> return polygon
> }
>
>
> >
>
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