[Users] GeoExt Tree node Layers not visible when Openlayers is upgraded to latest version 2.10

[Anthony Tuffour]

Hi all, 

I have upgraded to the latest version of Openlayers 2.10 and for some
reason my GeoExt Tree Nodes layers are not visible when turned on.
However, when I click on the map for WMSGetFeatureInfo even if the
layers are not visible, I get the correct feature attributes results
back in a popup. No errors as well. I have not changed anything in my
application. I am using GeoExt version 0.7. However, with the previous
version of Openlayers 2.9

GeoExt Tree nodes code below;

/* --------------------------------------------------------------
*  Treeview
* -------------------------------------------------------------- */
function hackneylayertree() {
var LayerNodeUI = Ext.extend(
        GeoExt.tree.LayerNodeUI, new GeoExt.tree.RadioButtonMixin()
            );
// configuration for editing it in the UI
var treeConfig = [
       {
       nodeType: "gx_baselayercontainer",
       text: "Baselayer",
       leaf: false,
       expanded: boltreeExpand

   },
/* --------------------------------------------------------------
*  Overlays
* -------------------------------------------------------------- */
{
text: "Overlays",
expanded: true,
children: [{

    nodeType: 'gx_layer',
    layer: "Hackney Parks",
    icon: wmsURL +
'REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=' +
iconWidth + '&HEIGHT=' + iconHeight + '&LAYER=Hackney Parks'
        },
         {
             nodeType: 'gx_layer',
             layer: "Water Regions",
             icon: wmsURL +
'REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=' +
iconWidth + '&HEIGHT=' + iconHeight + '&LAYER=Water Regions',
             qtip: qtipTooltip
         }]
},
/* --------------------------------------------------------------
*  Community and Living
* -------------------------------------------------------------- */
{
text: "Community and Living",
expanded: boltreeExpand,
children: [{

    nodeType: 'gx_layer',
    layer: "Places of Worship",
    icon: wmsURL +
'REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=' +
iconWidth + '&HEIGHT=' + iconHeight + '&LAYER=Places of Worship'
         },
      {
          nodeType: 'gx_layer',
          layer: "Voluntary Organisations",
          icon: wmsURL +
'REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=' +
iconWidth + '&HEIGHT=' + iconHeight + '&LAYER=Voluntary Organisations',
          qtip: qtipTooltip
}]
},

/* --------------------------------------------------------------
*  Transport and Streets
* -------------------------------------------------------------- */
{
text: "Transport and Streets",
expanded: boltreeExpand,
children: [
           {
               nodeType: 'gx_layer',
               layer: "Train Stations",
               icon: wmsURL +
'REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=' +
iconWidth + '&HEIGHT=' + iconHeight + '&LAYER=TSI_LBH_RAIL_STATIONS',
               qtip: qtipTooltip
           },
         {
             nodeType: 'gx_layer',
             layer: "Cycle Stands",
             icon: wmsURL +
'REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=' +
iconWidth + '&HEIGHT=' + iconHeight + '&LAYER=Cycle Stands',
             qtip: qtipTooltip
         },
          {
              nodeType: 'gx_layer',
              layer: "Barclays Hire Bike Stands",
              icon: wmsURL +
'REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=' +
iconWidth + '&HEIGHT=' + iconHeight + '&LAYER=Barclays Hire Bike
Stands',
              qtip: qtipTooltip
          },
            {
                nodeType: 'gx_layer',
                layer: "Controlled Parking Zones",
                icon: wmsURL +
'REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=' +
iconWidth + '&HEIGHT=' + iconHeight + '&LAYER=Controlled Parking Zones',
                qtip: qtipTooltip
}]
}];
/*Layer Tree*/
//===================================================================

// create the tree with the configuration from above
var tree = new Ext.tree.TreePanel({
    border: true,
    region: "west",
    animate: true,
    applyTo: 'tablayers',
    height: 500,
    width: 350,
    enableDD: true,
    split: true,
    autoScroll: true,
    containerScroll: true,
    xtype: "gx_legendpanel",
    showWmsLegend: true,
    loader: new Ext.tree.TreeLoader({
        //clearOnLoad: true,
        // applyLoader has to be set to false to not interfer with
loaders
        // of nodes further down the tree hierarchy
    applyLoader: false,
        uiProviders: {
                "layernodeui": LayerNodeUI
            }
    }),
    root: {
        text: "Hackney Map Layers",
        nodeType: "async",
        children: treeConfig

    },
    rootVisible: true,
    lines: true
});
tree.getRootNode().expand();
}

Any help or suggestions would be appreciated. 

Thank you.



Anthony




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