public boolean onButtonPressed() {
CompoundCommand command = new CompoundCommand(IBPELUIConstants.CMD_ADD_EVENTHANDLER);
final EventHandler eventHandler = BPELFactory.eINSTANCE.createEventHandler();
// Create an empty OnEvent inside it.
final OnEvent onEvent =
(OnEvent)
UIObjectFactoryProvider.getInstance()
.getFactoryFor(BPELPackage.eINSTANCE.getOnEvent())
.createInstance();
eventHandler.getEvents().add(onEvent);
command.add(new InsertInContainerCommand((EObject) modelObject, eventHandler, null));
command.add(new SetNameAndDirectEditCommand(onEvent, viewer));
ModelHelper.getBPELEditor(modelObject).getCommandStack().execute(command);
BPELUtil.setShowEventHandler(editPart, true);
return true;
}
