private IResourceChangeListener changeListener;
@Override
public void createPartControl(Composite aParent) {
super.createPartControl(aParent);
Action action = new SelectConfigFolderAction(getCommonViewer());
IActionBars actionBars = getViewSite().getActionBars();
IMenuManager dropDownMenu = actionBars.getMenuManager();
IToolBarManager toolBar = actionBars.getToolBarManager();
dropDownMenu.add(action);
toolBar.add(action);