+ "refresh_query" : {\r
+ label : "Refresh",\r
+ icon : "org.argeo.slc.ria/media-playback-start.png",\r
+ shortcut : null,\r
+ enabled : true,\r
+ menu : "Query",\r
+ toolbar : null,\r
+ callback : function(e) {\r
+ var selection = this.tree.getSelection();\r
+ if(!selection.length) return;\r
+ var treeNode = selection[0];\r
+ this._submitQuery(treeNode);\r
+ },\r
+ selectionChange : function(viewId, selection){\r
+ this.setEnabled(false);\r
+ if(selection && selection.length && !selection[0].getJcrNode){\r
+ this.setEnabled(true);\r
+ }\r
+ }\r
+ },\r