/**

  * Copyright 2005-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.krad.uif.service.impl;

 import org.kuali.rice.krad.bo.AdHocRoutePerson;

 import org.kuali.rice.krad.bo.AdHocRouteWorkgroup;

 import org.kuali.rice.krad.rule.event.AddAdHocRoutePersonEvent;

 import org.kuali.rice.krad.rule.event.AddAdHocRouteWorkgroupEvent;

 import org.kuali.rice.krad.service.KRADServiceLocatorWeb;

 import org.kuali.rice.krad.service.KualiRuleService;

 import org.kuali.rice.krad.uif.container.CollectionGroup;

 import org.kuali.rice.krad.uif.view.View;

 import org.kuali.rice.krad.web.form.DocumentFormBase;

 /**

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class DocumentViewHelperServiceImpl extends ViewHelperServiceImpl {

     private KualiRuleService kualiRuleService;

     /**

      * Performs validation on the new collection line before it is added to the

      * corresponding collection

      *

      * @param view - view instance that the action was taken on

      * @param collectionGroup - collection group component for the collection

      * @param addLine - new line instance to validate

      * @param model - object instance that contains the views data

      * @return boolean true if the line is valid and it should be added to the

      *         collection, false if it was not valid and should not be added to

      *         the collection

      */

     @Override

     protected boolean performAddLineValidation(View view, CollectionGroup collectionGroup, Object model,

             Object addLine) {

         boolean isValidLine = true;

         if (model instanceof DocumentFormBase && addLine instanceof AdHocRoutePerson) {

             DocumentFormBase form = (DocumentFormBase) model;

             isValidLine = getKualiRuleService()

                     .applyRules(new AddAdHocRoutePersonEvent(form.getDocument(), (AdHocRoutePerson) addLine));

         } else if (model instanceof DocumentFormBase && addLine instanceof AdHocRouteWorkgroup) {

             DocumentFormBase form = (DocumentFormBase) model;

             isValidLine = getKualiRuleService()

                     .applyRules(new AddAdHocRouteWorkgroupEvent(form.getDocument(), (AdHocRouteWorkgroup) addLine));

         }

         return isValidLine;

     }

     protected KualiRuleService getKualiRuleService() {

         if (kualiRuleService == null) {

             kualiRuleService = KRADServiceLocatorWeb.getKualiRuleService();

         }

         return this.kualiRuleService;

     }

 }