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1   /**
2    * This file Copyright (c) 2013 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.googlesitemap.app.subapp.sitemapdetail.base;
35  
36  import info.magnolia.event.EventBus;
37  import info.magnolia.i18nsystem.SimpleTranslator;
38  import info.magnolia.module.googlesitemap.app.subapp.sitemapdetail.event.EntrySelectedEvent;
39  import info.magnolia.module.googlesitemap.app.subapp.sitemapdetail.util.SiteMapEntryContainer;
40  import info.magnolia.module.googlesitemap.bean.SiteMapEntry;
41  import info.magnolia.module.googlesitemap.service.SiteMapService;
42  import info.magnolia.ui.api.app.SubAppEventBus;
43  
44  import java.util.List;
45  
46  import javax.inject.Named;
47  import javax.jcr.Node;
48  
49  /**
50   * Abstract base implementation of presenter for {@SiteMapContentView}.
51   * @param <L> listener interface
52   */
53  public abstract class SiteMapDetailPresenter<L extends SiteMapContentView.Listener> implements SiteMapContentView.Listener {
54  
55      private final SiteMapContentView view;
56  
57      private final EventBus eventBus;
58  
59      private SimpleTranslator translator;
60  
61      protected final SiteMapService service;
62  
63      protected SiteMapEntryContainer siteContainer;
64  
65      public SiteMapDetailPresenter(
66             SiteMapContentView<L> view,
67             SiteMapService service,
68             @Named(SubAppEventBus.NAME)EventBus eventBus,
69             SimpleTranslator translator) {
70          this.view = view;
71          this.service = service;
72          this.eventBus = eventBus;
73          this.translator = translator;
74      }
75  
76      public SiteMapContentView start() {
77          this.view.setListener(getListener());
78          return view;
79      }
80  
81      public SimpleTranslator getTranslator() {
82          return translator;
83      }
84  
85      public void edit(Node siteMapNode) {
86          constructDataSource(fetchSiteMapEntries(siteMapNode));
87      }
88  
89      public abstract String getLabel();
90  
91      protected abstract List<SiteMapEntry> fetchSiteMapEntries(Node node);
92  
93      protected abstract SiteMapContentView.Listener getListener();
94  
95      protected SiteMapContentView getView() {
96          return view;
97      }
98  
99      private void constructDataSource(List<SiteMapEntry> siteMapBeanForSite) {
100         this.siteContainer = new SiteMapEntryContainer(siteMapBeanForSite);
101         view.setDatasource(siteContainer);
102     }
103 
104     @Override
105     public void onEntrySelected(SiteMapEntry value) {
106         eventBus.fireEvent(new EntrySelectedEvent(value));
107     }
108 
109     public SiteMapEntry getCurrentSelection() {
110         return view.getValue();
111     }
112 }