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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.i18nsystem.SimpleTranslator;
37  import info.magnolia.module.googlesitemap.bean.SiteMapEntry;
38  
39  import java.util.ArrayList;
40  import java.util.List;
41  
42  import com.vaadin.data.Container;
43  import com.vaadin.data.Property;
44  import com.vaadin.ui.Component;
45  import com.vaadin.ui.Table;
46  
47  /**
48   * Abstract base implementation of {@link SiteMapContentView}.
49   * @param <T> exact table type.
50   * @param <L> exact listener interface.
51   */
52  public abstract class SiteMapContentViewImpl<T extends Table, L extends SiteMapContentView.Listener> implements SiteMapContentView<L> {
53  
54      private static final String[] CENTER_ALIGNED_COLUMNS = {"styleAlert", "priority", "changefreq"};
55  
56      private T table;
57  
58      private L listener;
59  
60      private SimpleTranslator translator;
61  
62      public SiteMapContentViewImpl(T table, SimpleTranslator translator) {
63          this.table = table;
64          this.translator = translator;
65          this.table.setSelectable(true);
66          this.table.setImmediate(true);
67          table.setSizeFull();
68          table.addValueChangeListener(new Property.ValueChangeListener() {
69              @Override
70              public void valueChange(Property.ValueChangeEvent event) {
71                  SiteMapEntry value = (SiteMapEntry)event.getProperty().getValue();
72                  listener.onEntrySelected(value);
73              }
74          });
75  
76          table.setCellStyleGenerator(new Table.CellStyleGenerator() {
77              @Override
78              public String getStyle(Table source, Object itemId, Object propertyId) {
79                  if ((Boolean)source.getItem(itemId).getItemProperty("styleAlert").getValue()) {
80                      return "excluded";
81                  }
82                  return null;
83              }
84          });
85      }
86  
87      public T getTable() {
88          return table;
89      }
90  
91      public L getListener() {
92          return listener;
93      }
94  
95      @Override
96      public void setDatasource(Container container) {
97          this.table.setContainerDataSource(container);
98          table.setVisibleColumns(getColumnIds());
99          List<String> captions = new ArrayList<String>();
100         for (String caption : getColumnCaptions()) {
101             captions.add(translator.translate(caption));
102         }
103         table.setColumnHeaders(captions.toArray(new String[captions.size()]));
104         for (String colId : CENTER_ALIGNED_COLUMNS) {
105             table.setColumnAlignment(colId, Table.Align.CENTER);
106         }
107     }
108 
109     protected abstract String[] getColumnCaptions();
110 
111     protected abstract String[] getColumnIds();
112 
113     @Override
114     public void setListener(L listener) {
115         this.listener = listener;
116     }
117 
118     @Override
119     public SiteMapEntry getValue() {
120         return (SiteMapEntry) table.getValue();
121     }
122 
123     @Override
124     public Component asVaadinComponent() {
125         return table;
126     }
127 }