propertiesAction = new Action(){
@Override
public void runWithEvent( Event event ) {
ZoomingDialog dialog = new ZoomingDialog(shell, tmp.createDialog(),
ZoomingDialog.calculateBounds(viewer.getTree().getSelection()[0], -1));
dialog.open();
}
};
propertiesAction.setText(tmp.getText());
propertiesAction.setActionDefinitionId(tmp.getActionDefinitionId());