[Users] Add all geoserver layers automatically

[Christoph Mayrhofer]

Hi François, 

I just tried it with the following code, but there are
no nodes listed in the tree.
Could the url parameter be the problem?:
http://localhost:8080/geoserver/wms 

var root = new
Ext.tree.AsyncTreeNode({
 text: 'All Layers', 
 loader: new
GeoExt.tree.WMSCapabilitiesLoader({
 url:
'http://localhost:8080/geoserver/wms', 
 layerOptions: {buffer: 0,
singleTile: true, ratio: 1},
 layerParams: {'TRANSPARENT': 'TRUE'}, 
 //
customize the createNode method to add a checkbox to nodes 
 createNode:
function(attr) {
 attr.checked = attr.leaf ? false : undefined; 
 return
GeoExt.tree.WMSCapabilitiesLoader.prototype.createNode.apply(this,
[attr]); 
 } 
 }) 
}); 

tree = new Ext.tree.TreePanel({ 
 root: root,

region: 'west',
 width: 250,
 listeners: { 
 // Add layers to the map
when ckecked, remove when unchecked.
 // Note that this does not take
care of maintaining the layer order on the map.
 'checkchange':
function(node, checked) {
 if (checked === true) {

mapPanel.map.addLayer(node.attributes.layer);
 } else {

mapPanel.map.removeLayer(node.attributes.layer);
 }
 } 
 }
});


regards, Chris 

On Thu, 18 Apr 2013 10:25:19 -0400,
"Valiquette,Francois [Montreal]"  wrote:  

Hello Chris, 

Yes you can,
you need to make a query on your server to get the GetCapabilities XML
(a list of all the available layers and options). 

The
GeoExt.data.WMSCapabilitiesStore can make the query for you by giving it
an URL. Then, it will return you a set of records. Afterward with the
records, you can generate manually a Tree for a greater flexibility.


Otherwise, I think you can use GeoExt.tree.WMSCapabilitiesLoader to
generate the Tree automatically for you.  

Here is an exemple of a
valid XML file : 

http://api.geoext.org/1.1/examples/data/wmscap.xml


François 

DE : users-bounces at geoext.org
[mailto:users-bounces at geoext.org] DE LA PART DE Christoph
Mayrhofer
ENVOYÉ : 18 avril 2013 10:05
À : users at geoext.org
OBJET :
[Users] Add all geoserver layers automatically  

Hi, 

I saw some
examples that had a List of available layers and a button that you could
click to add a selected layers to the map.
Is it possible to have all
layers on a Geoserver instance automatically added to the map.
This
would eliminate the need to change the JS code when a new layer is added
to Geoserver. 

regards, Chris 

 
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