/**
* {@inheritDoc}
*/
public void mousePressed(EditorMouseEvent event) {
CompositeNode parent = editor.getDiagram();
DiagramElement possibleParent = editor.getDiagram().getChildAt(
tmpPos.getX(), tmpPos.getY());
if (isNestingCondition(possibleParent)) {
parent = (CompositeNode) possibleParent;
}