package org.kuali.student.enrollment.class2.courseoffering.rule;
   
   import org.kuali.rice.core.api.util.RiceKeyConstants;
   import org.kuali.rice.krad.maintenance.MaintenanceDocument;
   import org.kuali.rice.krad.rules.MaintenanceDocumentRuleBase;
   import org.kuali.rice.krad.util.GlobalVariables;
   import org.kuali.rice.krad.util.KRADConstants;
   import org.kuali.student.enrollment.class2.courseoffering.dto.ActivityOfferingWrapper;
   
  public class ActivityOfferingRule  extends MaintenanceDocumentRuleBase {
  
      @Override
      protected boolean processGlobalSaveDocumentBusinessRules(MaintenanceDocument document) {
          return true;
      }
  
      @Override
      protected boolean isDocumentValidForSave(MaintenanceDocument maintenanceDocument) {
          boolean result = super.isDocumentValidForSave(maintenanceDocument);
  
          if (result){
              ActivityOfferingWrapper wrapper = (ActivityOfferingWrapper)maintenanceDocument.getNewMaintainableObject().getDataObject();
              if (wrapper.isColocatedAO() && wrapper.getColocatedActivities().isEmpty()){
                  GlobalVariables.getMessageMap().putError(KRADConstants.GLOBAL_ERRORS, RiceKeyConstants.ERROR_CUSTOM,"Colocated AOs are missing");
                  result = false;
              }
          }
  
          return result;
      }
  }