Added onLoaded event to tree

@@ -5828,6 +5828,13 @@ app:Tree
               ] ;
       spin:constraint
               [ rdf:type spl:Argument ;
+                rdfs:comment "An optional JavaScript snippet that is to be executed after the tree has loaded its roots."^^xsd:string ;
+                spl:optional "true"^^xsd:boolean ;
+                spl:predicate arg:onLoaded ;
+                spl:valueType xsd:string
+              ] ;
+      spin:constraint
+              [ rdf:type spl:Argument ;
                 rdfs:comment "JavaScript code that shall be called if a node has been selected in the tree. In this code, the variable 'resource' points to the URI of the selected resource. The variable 'node' holds the selected low-level tree node."^^xsd:string ;
                 spl:optional "true"^^xsd:boolean ;
                 spl:predicate arg:onSelect ;
@@ -7775,6 +7782,11 @@ arg:oldElementId
       rdfs:label "old element id"^^xsd:string ;
       rdfs:subPropertyOf sp:arg .
 
+arg:onLoaded
+      rdf:type rdf:Property ;
+      rdfs:label "on loaded"^^xsd:string ;
+      rdfs:subPropertyOf sp:arg .
+
 arg:onSelect
       rdf:type rdf:Property ;
       rdfs:label "on select"^^xsd:string ;

@@ -403,8 +403,9 @@ function appResizeGrid(pane, $Pane, paneState) {
  * Will expand if necessary, using a server-side shortest path algorithm.
  * @param treeId  the id of the tree
  * @param nodeURI  the URI of the resource to select
+ * @param queryGraphURI  the result of calling ui:currentQueryGraph()
  */
-function appSelectTreeNode(treeId, nodeURI) {
+function appSelectTreeNode(treeId, nodeURI, queryGraphURI) {
 	
 	// TODO: Currently this only works on the Tree that was created last
 	//       but not if multiple trees are on a page
@@ -428,6 +429,7 @@ function appSelectTreeNode(treeId, nodeURI) {
 
 	// Load path to root from the server and then call helper function
 	var data = {
+			_base: '<' + queryGraphURI + '>',
 			_format: 'json',
 			_viewClass: 'app:TreeShortestPathCallback',
 			dataProvider: '<' + dataProviderURI + '>',

@@ -50,5 +50,11 @@
 		});
 	</ui:if>
 	
+	<ui:if ui:condition="{= bound(?onLoaded) }">
+		$("#{= ?id }").bind("loaded.jstree", function(event, data) {
+			{= ?onLoaded }
+		});
+	</ui:if>
+	
 	</script>
 </ui:createLink>
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