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1   /**
2    * This file Copyright (c) 2008-2015 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.module.templatingkit.navigation;
35  
36  import java.util.List;
37  
38  import javax.jcr.Node;
39  import javax.jcr.RepositoryException;
40  
41  /**
42   * Component used in the rendering script (freemarker,...) to
43   * display a navigation tree. Returned by SiteMapParagraphModel.
44   */
45  
46  public class NavigationModel extends SubNavigation {
47  
48      private Node selectedNode;
49      private boolean rootIsHome;
50      private Home home;
51  
52      public NavigationModel(Node root, Node selectedNode, int depth, boolean allOpen, boolean rootIsHome) {
53          super(root, null, depth, allOpen);
54          this.selectedNode = selectedNode;
55          this.rootIsHome = rootIsHome;
56          if (rootIsHome) {
57              home = new Home(content, this);
58          }
59      }
60  
61      @Override
62      public List<NavigationItem> getItems() throws RepositoryException {
63          final List<NavigationItem> items = super.getItems();
64          if (rootIsHome && home.isVisible()) {
65              items.add(0, home);
66          }
67          return items;
68      }
69  
70      protected Node getSelectedNode() {
71          return this.selectedNode;
72      }
73  
74      public NavigationItem getSelectedItem() throws RepositoryException {
75          final NavigationItem selectedItem = _getSelectedItem(getItems());
76          if (selectedItem == null && rootIsHome) {
77              return home;
78          }
79          return selectedItem;
80      }
81  
82      private NavigationItem _getSelectedItem(List<NavigationItem> items) throws RepositoryException {
83          for (NavigationItem item : items) {
84              if (item.isSelected()) {
85                  return item;
86              } else if (selectedNode.getPath().startsWith(item.getContent().getJCRNode().getPath())) {
87                  if (item.isLeaf()) {
88                      // once we don't find a menu point we still fall back on the home
89                      // otherwise the home would always match because content wise it is the shared parent
90                      if (!(item.equals(home))) {
91                          return item;
92                      }
93                  }
94                  NavigationItem found = _getSelectedItem(item.getItems());
95                  if (found != null) {
96                      return found;
97                  }
98              }
99          }
100         return null;
101     }
102 }