Hi, You could also take a look at the following ux : http://dev.geoext.org/sandbox/mapgears/geoext.ux/ux/LayerTreeBuilder/examples/tree-builder.html
Basically, the widget is a tree that automatically generates its nodes based on the "group" layer option. See tree-builder.js in the example. Regards, Alexandre On 11-09-26 09:54 AM, gbrun wrote: > Hi! > > A tip that may help: maybe there is an easier way to do what you want. > > You can create a treePanel by using the > "GeoExt.tree.WMSCapabilitiesLoader" class. Then, in GeoServer, you can > fill in the "default WMS path" field of each layer: > http://docs.geoserver.org/stable/en/user/webadmin/data/layers.html > > This field allows GeoServer to create a hierarchy in the WMS Capabilities > document of your GeoServer. Then, this hierarchy is identified by the > treePanel, that creates automatically themes and sub-themes. > > Geoffrey > > > > Le Mon, 26 Sep 2011 15:18:18 +0200, Kathrin Babiker<k.babi...@gmx.de> a > écrit: > >> Hi, >> I need an idea to build a layertree with consists not only of baselayers >> and overlaylayers but also of different sublayers like this: >> 1 - background >> 2 - theme 1 >> 2-1 theme 1 subpoint A >> 2-1-1 subsubpoint A-a >> 2-1-2 subsubpoint A-b >> 2-1-3 subsubpoint A-c >> 2-2 theme 1 subpoint B >> 2-2-1 subsubpoint B-a >> 2-2-2 subsubpoint B-b >> 3 - theme 2 >> 3-1 theme 2 subpoint A >> ... >> I mean it should look like a folder structure we know from our own PC. >> >> I tried a layout (taken from tree.js from geoext) with OpenLayers, GeoExt >> and ExtJS but the structure is not going deep enough. The layers at >> subsubpoints should come from geoserver. >> >> >> My code is like this: >> >> var treeConfig = new OpenLayers.Format.JSON().write([{ >> nodeType: "gx_baselayercontainer" >> }, { >> nodeType: "gx_overlaylayercontainer", >> expanded: true, >> // render the nodes inside this container with a radio >> button, >> // and assign them the group "foo". >> loader: { >> baseAttrs: { >> radioGroup: "foo", >> uiProvider: "layernodeui" >> } >> } >> }, { >> nodeType: "gx_layer", >> layer: "Europäische Union (Gruppe)", >> isLeaf: false, >> // create subnodes for the layers in the LAYERS param. If we >> assign >> // a loader to a LayerNode and do not provide a loader >> class, a >> // LayerParamLoader will be assumed. >> loader: { >> param: "LAYERS" >> } >> }], true); >> >> // create the tree with the configuration from above >> tree = new Ext.tree.TreePanel({ >> border: true, >> region: "west", >> title: "Ebenen", >> width: 200, >> split: true, >> collapsible: true, >> collapseMode: "mini", >> autoScroll: true, >> >> loader: new Ext.tree.TreeLoader({ >> // 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: { >> nodeType: "async", >> // the children property of an >> Ext.tree.AsyncTreeNode is used to >> // provide an initial set of layer nodes. We use the >> treeConfig >> // from above, that we created with >> OpenLayers.Format.JSON.write. >> children: Ext.decode(treeConfig) >> }, >> >> rootVisible: false, >> lines: false >> >> }); >> >> Is there anyone who can help me? There MUST be any possibility to get >> well >> structured tree, or?! >> Thanks >> Kathrin >> > -- Alexandre Dubé Mapgears www.mapgears.com _______________________________________________ Users mailing list Users@geoext.org http://www.geoext.org/cgi-bin/mailman/listinfo/users
