Bug 204304 [GlobalActions] Convert some File actions
Convert the ActionFactory actions for QUIT, PROPERTIES, IMPORT, and EXPORT PW
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
*/
	public Object getAdapter(Class adaptable) {
		if (adaptable.equals(IContextProvider.class)) {
			return contextProvider;
		}
		if (adaptable.equals(IShowInSource.class)) {
			return new IShowInSource() {
				public ShowInContext getShowInContext() {
					ISelection selection = getViewer().getSelection();
					if (!(selection instanceof IStructuredSelection)) {
						return null;
					}
					IStructuredSelection structured = (IStructuredSelection) selection;
					Iterator markerIterator = structured.iterator();
					List newSelection = new ArrayList();
					while (markerIterator.hasNext()) {
						ConcreteMarker element = (ConcreteMarker) markerIterator
								.next();
						newSelection.add(element.getResource());
					}
					return new ShowInContext(getViewer().getInput(),
							new StructuredSelection(newSelection));
				}
			};
		}
		return super.getAdapter(adaptable);
	}
	/*
	 * (non-Javadoc)
	 *