code: function calcUniqueKey(node) {
  		var key,
  			path = $.map(node.getParentList(false, true), function(e) {
  				return e.refKey || e.key;
  			});
  		path = path.join("/");
  		key = "id_" + hashMurmur3(path, true);
  		// node.debug(path + " -> " + key);
  		return key;
  	}
docs: /*
  Return a unique key for node by calculating the hash of the parents refKey-list.