/** Method setEnabledFields. */
 @Override
 protected void setEnabledFields() {
   if (R4EUIModelController.isJobInProgress()
       || fProperties.getElement().isReadOnly()
       || !fProperties.getElement().isEnabled()
       || null == R4EUIModelController.getActiveReview()
       || ((R4EReviewState) R4EUIModelController.getActiveReview().getReview().getState())
           .getState()
           .equals(R4EReviewPhase.R4E_REVIEW_PHASE_COMPLETED)) {
     fPositionText.setForeground(UIUtils.DISABLED_FONT_COLOR);
     fAssignedToText.setForeground(UIUtils.DISABLED_FONT_COLOR);
     fAssignedToButton.setEnabled(false);
     fUnassignedFromButton.setEnabled(false);
   } else {
     fPositionText.setForeground(UIUtils.ENABLED_FONT_COLOR);
     fAssignedToText.setForeground(UIUtils.ENABLED_FONT_COLOR);
     fAssignedToButton.setEnabled(true);
     if (fAssignedToText.getText().length() > 0) {
       fUnassignedFromButton.setEnabled(true);
     } else {
       fUnassignedFromButton.setEnabled(false);
     }
   }
 }