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1   /*
2    * Copyright 2007-2008 The Kuali Foundation
3    *
4    * Licensed under the Educational Community License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.opensource.org/licenses/ecl2.php
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.kuali.rice.kns.util;
17  
18  import java.util.Map;
19  
20  /**
21   * Inquiry screens and maintenance documents may render a collection of BOs on a screen.  These
22   * BOs may implement {@link org.kuali.rice.krad.bo.MutableInactivatable}, which means that the BO has an active
23   * flag of true or false.  Some screens may give the user the ability to not render (i.e. hide) inactive
24   * collection elements.  This class has several utilities to control that behavior. 
25   * 
26   * @author Kuali Rice Team (rice.collab@kuali.org)
27   */
28  public final class InactiveRecordsHidingUtils {
29  	
30  	private InactiveRecordsHidingUtils() {
31  		throw new UnsupportedOperationException("do not call");
32  	}
33  	
34      /**
35       * Returns whether a collection has been set to show inactive records.  Note that if a collection has not been set to show inactive inactive records, then
36       * this method will return false.
37       * 
38       * @param inactiveRecordDisplay a Map used to keep state between invocations of this method and {@link #setShowInactiveRecords(Map, String, boolean)}
39       * @param collectionName the name of the collection 
40       * @return
41       */
42      public static boolean getShowInactiveRecords(Map<String, Boolean> inactiveRecordDisplay, String collectionName) {
43  	// by default, show the actives
44          boolean showInactive = true;
45          
46          if (collectionName == null) {
47              throw new IllegalArgumentException("collection name cannot be null");
48          }
49          // remove periods from the collection name due to parsing limitation in Apache beanutils 
50          collectionName = collectionName.replace( '.', '_' );
51          
52          if (inactiveRecordDisplay.containsKey(collectionName)) {
53              Object inactiveSetting = inactiveRecordDisplay.get(collectionName);
54              
55              // warren: i copied this code from somewhere else, and have no idea why they're testing to see whether it's a
56              // Boolean, but I'm guessing that it has to do w/ the PojoFormBase not setting things correctly
57              if (inactiveSetting instanceof Boolean) {
58                  showInactive = ((Boolean) inactiveSetting).booleanValue();
59              }
60              else {
61                  showInactive = Boolean.parseBoolean(((String[]) inactiveSetting)[0]);
62              }
63          }
64          
65          return showInactive;
66      }
67      
68      /**
69       * Sets whether a method should show inactive records
70       * 
71       * @param inactiveRecordDisplay a Map used to keep state between invocations of this method and {@link #getShowInactiveRecords(Map, String)}
72       * @param collectionName the name of the collection
73       * @param showInactive whether to show inactive records
74       */
75      public static void setShowInactiveRecords(Map<String, Boolean> inactiveRecordDisplay, String collectionName, boolean showInactive) {
76          if (collectionName == null) {
77              throw new IllegalArgumentException("collection name cannot be null");
78          }
79          
80          // remove periods from the collection name due to parsing limitation in Apache beanutils 
81          collectionName = collectionName.replace( '.', '_' );
82  
83          inactiveRecordDisplay.put(collectionName, new Boolean(showInactive));
84      }
85      
86      public static String formatCollectionName(String collectionName) {
87  	return collectionName.replace( '.', '_' );
88      }
89  }