@Override
public void createPartControl(Composite parent) {
PageUtil.getPage(getSite()).addSelectionListener(this);
modelEditor = new GeneratorModelViewer(PageUtil.getPage(getSite()));
modelEditor.createPartControl(parent);
getSite().setSelectionProvider(modelEditor);
}
@Override
public void dispose() {
if (modelEditor != null) modelEditor.dispose();
if (PageUtil.getPage() != null) PageUtil.getPage().removeSelectionListener(this);
super.dispose();
}