[Users] Error while try to display LegendGraphics in Layer Tree [SEC=Unclassified]

[Matt Priour]

I really like that fix, I will have to try that too.
Thanks so much for sharing.
Matt Priour
Kestrel Computer Consulting

--------------------------------------------------
From: "Miles Jordan" <Miles.Jordan at aad.gov.au>
Sent: Tuesday, July 20, 2010 6:58 PM
To: "'Jehanzeb Orakzai'" <jehanzeb_orakzai at yahoo.com>
Cc: "GeoExt" <users at geoext.org>
Subject: Re: [Users] Error while try to display LegendGraphics in Layer Tree 
[SEC=Unclassified]

> Jehanzeb Orakzai wrote:
>> Hi Miles,
>>
>> Thank you for the reply.
>>
>> I have tried this also, but no luck. If u have a working example can
>> you post it please.
>>
>>
>> Thank you,
>
> This works for me with Ext 3.0, 3.1 and 3.2.1.
>
> createIconNode = function(attr) {
>  var layer_name = ....;
>  attr.icon = 
> '/servicesproxy/geoserver/wms?REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=20&HEIGHT=20&LAYER=' 
> + layer_name;
>  return GeoExt.tree.LayerLoader.prototype.createNode.call(this, attr);
> };
>
> And then the treepanel looks like:
>
> {
>  xtype: "treepanel",
>  loader: new Ext.tree.TreeLoader({
>    applyLoader: false
>  }),
>  root: {
>    nodeType: "async",
>    children: {
>      nodeType: "gx_overlaylayercontainer",
>      text: 'Some Layers',
>      layerStore: myLayerStore,
>      leaf: false,
>      expanded: true,
>      loader: {
>        createNode: createIconNode
>      }
>    }
>  }
> }
>
>
> Regards,
>
> Miles
>
>
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