code: protected void setValue(String value, boolean fireEvent) {
  
          m_textbox.setValue(value);
          updateUploadTarget(CmsResource.getFolderPath(value));
          updateResourceInfo(value);
          m_previousValue = value;
          if (fireEvent) {
              fireChange(true);
          }
      }
docs: Sets the widget value.<p>
  
  @param value the value to set
  @param fireEvent if the change event should be fired