/** 添加帮助按钮,备注,这里的配置与其他的不一样 robert 2012-09-06 */
 protected Control createHelpToolItem(Composite parent) {
   // ROBERTHELP xml 转换器配置
   String language = CommonFunction.getSystemLanguage();
   final String helpUrl =
       MessageFormat.format(
           "/net.heartsome.cat.ts.ui.help/html/{0}/ch08.html#configure-xml-converter", language);
   Image helpImage = JFaceResources.getImage(DLG_IMG_HELP);
   ToolBar toolBar = new ToolBar(parent, SWT.FLAT | SWT.NO_FOCUS);
   toolBar.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
   final Cursor cursor = new Cursor(parent.getDisplay(), SWT.CURSOR_HAND);
   toolBar.setCursor(cursor);
   toolBar.addDisposeListener(
       new DisposeListener() {
         public void widgetDisposed(DisposeEvent e) {
           cursor.dispose();
         }
       });
   ToolItem helpItem = new ToolItem(toolBar, SWT.NONE);
   helpItem.setImage(helpImage);
   helpItem.setToolTipText(JFaceResources.getString("helpToolTip")); // $NON-NLS-1$
   helpItem.addSelectionListener(
       new SelectionAdapter() {
         public void widgetSelected(SelectionEvent e) {
           PlatformUI.getWorkbench().getHelpSystem().displayHelpResource(helpUrl);
         }
       });
   return toolBar;
 }