/*

  * Copyright 2007-2009 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.rule.bo;

 import java.util.ArrayList;

 import java.util.Collections;

 import java.util.List;

 import org.kuali.rice.core.util.ConcreteKeyValue;

 import org.kuali.rice.core.util.KeyValue;

 import org.kuali.rice.kew.util.KEWConstants;

 import org.kuali.rice.kns.lookup.keyvalues.KeyValuesBase;

 import org.kuali.rice.kns.util.GlobalVariables;

 import org.kuali.rice.kns.web.struts.form.KualiMaintenanceForm;

 /**

  * A values finder for returning KEW rule delegation type codes.

  * 

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

  */

 public class DelegationTypeValuesFinder extends KeyValuesBase {

         private static final List<KeyValue> C_DELEGATION_TYPES;

         private static final List<KeyValue> C_DELEGATION_TYPES_FOR_MAIN_DOCS;

         static {

                 final List<KeyValue> delegationTypes = new ArrayList<KeyValue>();

                 final List<KeyValue> delegationTypesForMaintDocs = new ArrayList<KeyValue>();

                 for (String delegationType : KEWConstants.DELEGATION_TYPES.keySet()) {

                         delegationTypes.add(new ConcreteKeyValue(delegationType, KEWConstants.DELEGATION_TYPES.get(delegationType)));

                         // Use a separate delegation types list for the related maintenance docs, since they should disallow the "Both" option.

                         if (!KEWConstants.DELEGATION_BOTH.equals(delegationType)) {

                                 delegationTypesForMaintDocs.add(new ConcreteKeyValue(delegationType, KEWConstants.DELEGATION_TYPES.get(delegationType)));

                         }

                 }

                 C_DELEGATION_TYPES = Collections.unmodifiableList(delegationTypes);

                 C_DELEGATION_TYPES_FOR_MAIN_DOCS = Collections.unmodifiableList(delegationTypesForMaintDocs);

         }

         @Override

         public List<KeyValue> getKeyValues() {

                 // Return the appropriate delegation types list, depending on whether or not it is needed for a maintenance doc.

                 return (GlobalVariables.getKualiForm() instanceof KualiMaintenanceForm) ? C_DELEGATION_TYPES_FOR_MAIN_DOCS : C_DELEGATION_TYPES;

         }

 }