docs: @Override
      public String buildSetFormValues() {
  
          StringBuffer result = new StringBuffer(1024);
          Iterator<String> i = getExplorerTypeSettings().getProperties().iterator();
          // iterate over the customized properties
          while (i.hasNext()) {
              String curProperty = i.next();
              if (getActiveProperties().containsKey(curProperty)) {
                  CmsProperty property = getActiveProperties().get(curProperty);
                  String propValue = property.getValue();
                  if (propValue != null) {
                      propValue = propValue.trim();
                      propValue = CmsStringUtil.escapeJavaScript(propValue);
                      // create the JS output for a single property
                      result.append("\tdocument.getElementById(\"");
                      result.append(PREFIX_VALUE);
                      result.append(curProperty);
                      result.append("\").value = \"");
                      result.append(propValue);
                      result.append("\";\n");
                  }
              }
          }
          // check if the navigation text property value has to be added
          if (showNavigation() && getActiveProperties().containsKey(CmsPropertyDefinition.PROPERTY_NAVTEXT)) {
              CmsProperty property = getActiveProperties().get(CmsPropertyDefinition.PROPERTY_NAVTEXT);
              String propValue = property.getValue();
              if (propValue != null) {
                  propValue = propValue.trim();
                  propValue = CmsStringUtil.escapeJavaScript(propValue);
                  // create the JS output for a single property
                  result.append("\tdocument.getElementById(\"");
                  result.append(PREFIX_VALUE);
                  result.append(CmsPropertyDefinition.PROPERTY_NAVTEXT);
                  result.append("\").value = \"");
                  result.append(propValue);
                  result.append("\";\n");
              }
          }
          return result.toString();
      }