topic ESRI TOC component and 3.1 visiblelayers no longer an arraycollection in ArcGIS API for Flex Questions

ESRI TOC component and 3.1 visiblelayers no longer an arraycollection

eddiequinlan — Tue, 05 Mar 2013 18:30:03 GMT

I have upgraded to the arcgis flex 3.1 version. In doing so, ESRI TOC component no longer works as it use to. Specifically in the TocMapLayerItem.as there are a couple of lines of code as such:

             layerInfos = ArcGISDynamicMapServiceLayer(layer).layerInfos;
             visibleLayers = ArcGISDynamicMapServiceLayer(layer).visibleLayers;
}
             else if (layer is ArcIMSMapServiceLayer)
{
layerInfos = ArcIMSMapServiceLayer(layer).layerInfos;
             visibleLayers = ArcIMSMapServiceLayer(layer).visibleLayers

In the old version var visibleLayers is an arraycollection = the layer.visibleLayers (arraycollection). In 3.1 layer.visibleLayers is now an ILIST and not an arraycollection.

Has anyone addressed this? I'm not real sure on the best way to correct this, since the component interacts with other ESRI TOC components.

thanx,
Eddie

Re: ESRI TOC component and 3.1 visiblelayers no longer an arraycollection

RobertScheitlin__GISP — Tue, 05 Mar 2013 18:58:09 GMT

Eddie,

The TOC component is not a maintained source (that I am aware of) outside of the ArcGIS Viewer for Flex.

As far as updating the code your self to handle the fact that it is a IList now, that is pretty straight forward.

ArcGISDynamicMapServiceLayer(layer).visibleLayers.toArray()

Re: ESRI TOC component and 3.1 visiblelayers no longer an arraycollection

eddiequinlan — Tue, 05 Mar 2013 19:03:14 GMT

Thanx Robert,

I'll experiment with the code and see what happens. I'll try your idea first, since it seems the simplest. My other thought was to change:

var visibleLayers:ArrayCollection to var visibleLayers:IList;

I'll keep you posted........
Eddie