code: public void setCropFormat(String cropFormat) {
  
          boolean visible = (cropFormat != null);
          if (cropFormat == null) {
              cropFormat = "";
          }
          m_labelCropFormat.setVisible(visible);
          m_removeCrop.setVisible(visible);
          m_displayCropFormat.setText(cropFormat);
      }
docs: Sets the crop format.<p>
  
  @param cropFormat the crop format