/** @see org.eclipse.gef.commands.Command#execute() */
public void execute() {
oldSource.removeOutput(transition);
oldTarget.removeInput(transition);
parent.addChild(newActivity);
newIncomingTransition = new Transition(oldSource, newActivity);
newOutgoingTransition = new Transition(newActivity, oldTarget);
}
/** @see org.eclipse.gef.commands.Command#undo() */
public void undo() {
oldSource.removeOutput(newIncomingTransition);
oldTarget.removeInput(newOutgoingTransition);
newActivity.removeInput(newIncomingTransition);
newActivity.removeOutput(newOutgoingTransition);
parent.removeChild(newActivity);
oldSource.addOutput(transition);
oldTarget.addInput(transition);
}
/**
* Sets the Activity to be added.
*
* @param activity the new activity
*/
public void setNewActivity(Activity activity) {
newActivity = activity;
newActivity.setName("a " + (parent.getChildren().size() + 1));
}