[Users] gx_layercontainer filter:

Brian Marble brianmarble at landez.com
Thu Jan 28 19:43:26 CET 2010


Andreas,

I have been using 0.6. 

I just checked out the latest SVN at http://svn.geoext.org/core/trunk/geoext


I tried a couple of different filters but no change.

Any other ideas?

Thanks,
Brian


> -----Original Message-----
> From: Andreas Hocevar [mailto:ahocevar at opengeo.org]
> Sent: Thursday, January 28, 2010 10:22 AM
> To: Brian Marble
> Cc: users at geoext.org
> Subject: Re: [Users] gx_layercontainer filter:
> 
> Hey-
> 
> your code should work with a current trunk version of GeoExt, but not
> with GeoExt 0.6. Which version are you using?
> 
> Regards,
> Andreas.
> 
> Brian Marble wrote:
> > Hey,
> >
> > I am trying to filter a gx_layercontainer (see below). No matter what
> I do
> > all of my map.layers show in this branch of the tree. I want to have
> more
> > control over the contents of all branches of the tree. It looks like
> the
> > filter function just needs to be overridden on my part but I am
> unable to
> > make it work as below.
> >
> > My test code below is taken from
> > http://dev.geoext.org/trunk/geoext/examples/tree.html
> >
> > Can anyone point out my oversights?
> >
> > Thanks,
> > Brian
> >
> > ar options = {
> >         projection: new OpenLayers.Projection("EPSG:900913"),
> >         displayProjection: new OpenLayers.Projection("EPSG:4326"),
> >         theme: null,
> >         units: "m",
> >         maxResolution: 156543.0339,
> >         maxExtent: new OpenLayers.Bounds(-20037508.34, -20037508.34,
> > 20037508.34, 20037508.34)
> > //        allOverlays: true
> >     };
> >
> > map = new OpenLayers.Map('mapContainer', options);
> >
> > var treeConfig = new OpenLayers.Format.JSON().write([{
> >         nodeType: "gx_baselayercontainer",
> >         text: "Base Layers"
> >     }, {
> >         nodeType: "gx_overlaylayercontainer",
> >         text: "Over Layers",
> >         expanded: false,
> >         loader: {
> > 	}
> >     }, {
> >         nodeType: "gx_layercontainer",
> >         text: "Special Layers",
> >         expanded: false,
> >         loader: {
> > 		filter: function(record) {
> > 		      var layer = record.get("layer");
> > //	     	 	return (!layer.isBaseLayer && layer.name == "2000
> > Census - Population (TC)");
> > 	     		return !layer.isBaseLayer;
> > 	     }
> >
> > 		}
> > 	}
> >     ], true);
> >
> > var tree = new Ext.tree.TreePanel({
> >         border: true,
> >         region: "west",
> >         title: "Layers",
> >         width: 200,
> >         split: true,
> >         collapsible: true,
> >         collapseMode: "mini",
> >         autoScroll: true,
> >         loader: new Ext.tree.TreeLoader({
> >             applyLoader: false
> >         }),
> >
> >         root: {
> >             nodeType: "async",
> >             children: Ext.decode(treeConfig)
> >         },
> >         listeners: {
> >             "insert": registerRadio,
> >             "append": registerRadio
> >         },
> >         rootVisible: false,
> >         lines: false,
> >         bbar: [{
> >             text: "Show/Edit Tree Config",
> >             handler: function() {
> >                 treeConfigWin.show();
> >                 Ext.getCmp("treeconfig").setValue(treeConfig);
> >             }
> >         }]
> >     });
> >
> > ______________________________________________
> > Brian Marble
> > LandEZ Corp.
> > W - 435 787 9003
> > C - 435 881 3117
> > F - 435 787 9004
> > BrianMarble at LandEZ.com
> >
> >
> >
> > _______________________________________________
> > Users mailing list
> > Users at geoext.org
> > http://www.geoext.org/cgi-bin/mailman/listinfo/users
> >
> 
> 
> --
> Andreas Hocevar
> OpenGeo - http://opengeo.org/
> Expert service straight from the developers.



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