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

[Bart van den Eijnden (OSGIS)]

Always reply to the list please,.

Loader needs to get an instance, so:

loader: new mloader(),

Best regards,
Bart

> I have tried like this but still its not working and give me the same
> error:
>  
> var mloader = Ext.extend(GeoExt.tree.LayerLoader(
>                 {
>                      createNode: function(attr)
>                      {
>                          attr.iconCls =
>  this.store.getById(attr.layer.id).get('icon');
>                         
> GeoExt.tree.LayerLoader.prototype.createNode.call(this, attr);
>                      }
>                 }
>     ));
>
>
>
> Thank you,
> --
> Jehanzeb
>
> --- On Mon, 19/7/10, Bart van den Eijnden (OSGIS) <bartvde at osgis.nl>
> wrote:
>
>
> From: Bart van den Eijnden (OSGIS) <bartvde at osgis.nl>
> Subject: Re: [Users] Error while try to display LegendGraphics in Layer
> Tree
> To: "Jehanzeb Orakzai" <jehanzeb_orakzai at yahoo.com>
> Cc: "GeoExt" <users at geoext.org>
> Date: Monday, 19 July, 2010, 17:36
>
>
> Use Ext.extend to extend GeoExt.tree.LayerLoader.
>
> Best regards,
> Bart
>
>> Hi,
>>  
>> I am receiving the following error while trying to display legend
>> graphic
>> in LayerContainer of Tree.
>>  
>> this.addEvents is not a function
>> "load"
>>
>> The code that I am trying with is:
>>  
>> var mloader = GeoExt.tree.LayerLoader(
>>                {
>>                     createNode: function(attr)
>>                     {
>>                         attr.iconCls =
>> this.store.getById(attr.layer.id).get('icon');
>>                        
>> GeoExt.tree.LayerLoader.prototype.createNode.call(this, attr);
>>                     }
>>                }
>>    );
>>  
>>    var layerCon = new GeoExt.tree.LayerContainer(
>>                     {
>>                         text: "Layers",
>>                         layerStore: mapPanel.layers,
>>                         loader: mloader,
>>                         expanded: true
>>                     }
>>     );
>>
>> Can somebody point me out what I am doing wrong?
>>  
>> I have also looked at these mail threads but could'nt figure out problem
>> in my code:
>>  
>> 1. http://www.mail-archive.com/users@geoext.org/msg00392.html
>>  
>> 2. http://www.mail-archive.com/users@geoext.org/msg00336.html
>>  
>>  
>> Any help is appreciated.
>>  
>>  
>> Thank you,
>> --
>> Jehanzeb
>>
>>
>>       _______________________________________________
>> Users mailing list
>> Users at geoext.org
>> http://www.geoext.org/cgi-bin/mailman/listinfo/users
>>
>
>
> --
> Looking for flexible support on OpenLayers or GeoExt? Please check out
> http://www.osgis.nl/support.html
>
> Bart van den Eijnden
> OSGIS
> bartvde at osgis.nl
>
>
>
>
>


-- 
Looking for flexible support on OpenLayers or GeoExt? Please check out
http://www.osgis.nl/support.html

Bart van den Eijnden
OSGIS
bartvde at osgis.nl