/** @see org.eclipse.emf.transaction.RecordingCommand#doExecute() */ @Override protected void doExecute() { MergeClassDialog dialog = new MergeClassDialog( parentShell, new ProjectItemLabelProvider(), new ProjectItemTreeContentProvider(2)); if (dialog.open() != Window.OK) { return; } if (dialog.getFirstResult() != null && dialog.getClassName() != null) { semanticModelHandler.initializeClassesMerger( dialog.getFirstResult(), dialog.getClassName(), dialog.isClear()); } semanticModelHandler.mergeClassToClass(); }