code: private void reselectQueryNode(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_reselectQueryNode
  		if (currentId == null) {
  			return;
  		}
  		if (previousId == currentId) {
  			fireQueryChanged(currentId.getParent().toString(), currentId.getQuery(), currentId.getID());
  		}
  		else { // register the selected node
  			previousId = currentId;
  		}
  	}
docs: GEN-LAST:event_selectQueryNode