/**

  * 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.kew.impl.peopleflow;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;

 import org.kuali.rice.core.api.uif.RemotableAttributeField;

 import org.kuali.rice.kew.api.KewApiServiceLocator;

 import org.kuali.rice.kew.api.repository.type.KewTypeDefinition;

 import org.kuali.rice.kew.framework.peopleflow.PeopleFlowTypeService;

 import org.kuali.rice.krad.inquiry.InquirableImpl;

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

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

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

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

 import java.util.ArrayList;

 import java.util.List;

 /**

  * Custom view helper for the people flow inquiry view to retrieve the type attribute remotable fields

  *

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

  */

 public class PeopleFlowInquirableImpl extends InquirableImpl {

     private static final long serialVersionUID = -8392423307944257532L;

     /**

      * Invokes the {@link org.kuali.rice.kew.api.repository.type.KewTypeRepositoryService} to retrieve the remotable

      * field definitions for the attributes associated with the selected type

      *

      * @param view - view instance

      * @param model - object containing the form data, from which the selected type will be pulled

      * @param container - container that holds the remotable fields

      * @return List<RemotableAttributeField> instances for the type attributes, or empty list if not attributes exist

      */

     public List<RemotableAttributeField> retrieveTypeAttributes(View view, Object model, Container container) {

         List<RemotableAttributeField> remoteFields = new ArrayList<RemotableAttributeField>();

         PeopleFlowBo peopleFlow = (PeopleFlowBo) ((InquiryForm) model).getDataObject();

         // retrieve the type service and invoke to get the remotable field definitions

         String typeId = peopleFlow.getTypeId();

         if (StringUtils.isNotBlank(typeId)) {

             KewTypeDefinition typeDefinition = KewApiServiceLocator.getKewTypeRepositoryService().getTypeById(typeId);

             PeopleFlowTypeService peopleFlowTypeService = GlobalResourceLoader.<PeopleFlowTypeService>getService(

                     typeDefinition.getServiceName());

             remoteFields = peopleFlowTypeService.getAttributeFields(typeId);

         }

         return remoteFields;

     }

 }