code: public void setDialogTitle(String singleKey) {
  
          // generate title using the resource name as parameter for the key
          String resourceName = CmsStringUtil.formatResourceName(getParamResource(), 50);
          setParamTitle(key(singleKey, new Object[] {resourceName}));
      }
docs: Sets the title of the dialog.<p>
  
  @param singleKey the key for the single operation