private SelectionAdapter createSelectionListenerMenuItem() {
return new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent event) {
final MenuItem menuItem = (MenuItem) event.widget;
final IHttpBuilderPart builderPart = (IHttpBuilderPart) menuItem.getData();
processChanges();
builderPartCurr = builderPart;
builderPartCurr.setEditable(isPending);
builderPartCurr.refresh();
viewerLayout.topControl = builderPartCurr.getControl();