Bug 256844 [CSS] TK-UI CSS engine for Nebula widget
examples/org.eclipse.e4.ui.examples.css/src/org/eclipse/e4/ui/examples/css/editor/AbstractCSSSWTEditor.java
public void widgetSelected(SelectionEvent e) {
				fillTextareaWithDefaultStyleSheetContent();
			}
		});
		
		MenuItem itemOpen = new MenuItem(menuFile, SWT.PUSH);
		itemOpen.setText("&Open...");
		itemOpen.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				FileDialog dialog = new FileDialog(shell, SWT.NULL);
				dialog.setFilterExtensions(CSS_FILE_EXTENSION);
				dialog.setText("Select CSS style file");
				dialog.setFilterPath(getBaseStyleDir().getAbsolutePath());
				String path = dialog.open();
				if (path != null) {
					File file = new File(path);
					fillTextareaWithStyleSheetContent(file);
				}
			}
		});
	}
	/**
	 * Create Menu item Options
	 * 
	 * @param menu
	 */
	protected void createMenuItemOptions(Menu menu) {
		MenuItem menuOptionsHeader = new MenuItem(menu, SWT.CASCADE);
		menuOptionsHeader.setText("&Options");