code: public void displayDialog() throws IOException, ServletException {
  
          getSettings().setExplorerMode(CmsExplorer.VIEW_LIST);
          Map<String, String[]> addParams = new HashMap<String, String[]>();
          HttpServletRequest req = getJsp().getRequest();
          String addParamsVal = req.getParameter(CmsExplorer.PARAMETER_CONTEXTMENUPARAMS);
          if (addParamsVal != null) {
              addParams.put(CmsExplorer.PARAMETER_CONTEXTMENUPARAMS, new String[] {addParamsVal});
          }
          getToolManager().jspForwardPage(this, FILE_EXPLORER_FILELIST, addParams);
      }
docs: Performs the dialog actions depending on the initialized action and displays the dialog form.<p>
  
  @throws ServletException if forwarding explorer view fails
  @throws IOException if forwarding explorer view fails