code: @Override
      protected String createDialogHtml(String dialog) {
  
          StringBuffer result = new StringBuffer(1024);
  
          // create widget table
          result.append(createWidgetTableStart());
  
          // show error header once if there were validation errors
          result.append(createWidgetErrorHeader());
  
          // create the widgets for the first dialog page
          result.append(dialogBlockStart(key(Messages.GUI_EDITOR_LABEL_ACTIVATE_BLOCK_0)));
          result.append(createWidgetTableStart());
          result.append(createDialogRowsHtml(0, 0));
          result.append(createWidgetTableEnd());
          result.append(dialogBlockEnd());
          result.append(dialogBlockStart(key(Messages.GUI_EDITOR_LABEL_CONFIGURATION_BLOCK_0)));
          result.append(createWidgetTableStart());
          result.append(createDialogRowsHtml(1, 4));
          result.append(createWidgetTableEnd());
          result.append(dialogBlockEnd());
  
          // close widget table
          result.append(createWidgetTableEnd());
  
          return result.toString();
      }
docs: Creates the dialog HTML for all defined widgets of the named dialog (page).<p>
  
  This overwrites the method from the super class to create a layout variation for the widgets.<p>
  
  @param dialog the dialog (page) to get the HTML for
  @return the dialog HTML for all defined widgets of the named dialog (page)