/*

  * Copyright 2007 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.kns.document.authorization;

 import java.util.HashSet;

 import java.util.Set;

 import org.kuali.rice.kns.authorization.FieldRestriction;

 import org.kuali.rice.kns.authorization.InquiryOrMaintenanceDocumentRestrictionsBase;

 import org.kuali.rice.kns.web.ui.Field;

 public class MaintenanceDocumentRestrictionsBase extends

                 InquiryOrMaintenanceDocumentRestrictionsBase implements

                 MaintenanceDocumentRestrictions {

         private Set<String> readOnlyFields;

         private Set<String> readOnlySectionIds;

         public MaintenanceDocumentRestrictionsBase() {

         }

         public void addReadOnlyField(String fieldName) {

                 readOnlyFields.add(fieldName);

         }

         public void addReadOnlySectionId(String sectionId) {

                 readOnlySectionIds.add(sectionId);

         }

         public Set<String> getReadOnlySectionIds() {

                 return readOnlySectionIds;

         }

         @Override

         public FieldRestriction getFieldRestriction(String fieldName) {

                 FieldRestriction fieldRestriction = super

                                 .getFieldRestriction(fieldName);

                 if (fieldRestriction == null && isReadOnlyField(fieldName)) {

                         fieldRestriction = new FieldRestriction(fieldName, Field.READONLY);

                 }

                 // TODO: next block could probably be removed since the superclass would return null for a read-only field 

                 if (Field.EDITABLE

                                 .equals(fieldRestriction.getKualiFieldDisplayFlag())

                                 && isReadOnlyField(fieldName)) {

                         fieldRestriction = new FieldRestriction(fieldName,

                                         Field.READONLY);

                 }

                 return fieldRestriction;

         }

         @Override

         public void clearAllRestrictions() {

                 super.clearAllRestrictions();

                 readOnlyFields = new HashSet<String>();

                 readOnlySectionIds = new HashSet<String>();

         }

         protected boolean isReadOnlyField(String fieldName) {

                 String normalizedFieldName = normalizeFieldName(fieldName);

                 return readOnlyFields.contains(normalizedFieldName);

         }

         /**

          * @see org.kuali.rice.kns.authorization.InquiryOrMaintenanceDocumentRestrictionsBase#hasAnyFieldRestrictions()

          */

         @Override

         public boolean hasAnyFieldRestrictions() {

                 return super.hasAnyFieldRestrictions() || !readOnlyFields.isEmpty();

         }

         /**

          * @see org.kuali.rice.kns.authorization.InquiryOrMaintenanceDocumentRestrictionsBase#hasRestriction(java.lang.String)

          */

         @Override

         public boolean hasRestriction(String fieldName) {

                 return super.hasRestriction(fieldName) || isReadOnlyField(fieldName);

         }

         /**

          * @see org.kuali.rice.kns.document.authorization.MaintenanceDocumentRestrictions#isReadOnlySectionId(java.lang.String)

          */

         public boolean isReadOnlySectionId(String sectionId) {

                 return readOnlySectionIds.contains(sectionId);

         }

 }