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1   /**
2    * This file Copyright (c) 2015-2018 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.resources.app.workbench.tree;
35  
36  import info.magnolia.objectfactory.ComponentProvider;
37  import info.magnolia.resourceloader.Resource;
38  import info.magnolia.resources.app.data.ResourceDataProvider;
39  import info.magnolia.ui.availability.AvailabilityChecker;
40  import info.magnolia.ui.contentapp.Datasource;
41  import info.magnolia.ui.contentapp.FilterableHierarchicalDataProvider;
42  import info.magnolia.ui.contentapp.browser.TreePresenter;
43  import info.magnolia.ui.contentapp.configuration.GridViewDefinition;
44  
45  import java.util.ArrayList;
46  import java.util.List;
47  import java.util.Optional;
48  import java.util.stream.Stream;
49  
50  import javax.inject.Inject;
51  
52  import com.vaadin.data.BeanPropertySet;
53  import com.vaadin.data.PropertySet;
54  import com.vaadin.ui.TreeGrid;
55  
56  /**
57   * Specialized {@link TreePresenter} for resources.
58   */
59  public class ResourcesTreePresenter extends TreePresenter<Resource> {
60  
61      public static final String COLUMN_NAME = "name";
62      public static final String COLUMN_OVERRIDDEN = "overridden";
63      public static final String COLUMN_ORIGIN = "origin";
64      public static final String COLUMN_TYPE = "type";
65      public static final String COLUMN_STATUS = "status";
66  
67      private final ResourceDataProvider dataProvider;
68  
69      @Inject
70      public ResourcesTreePresenter(GridViewDefinition<Resource> definition, ComponentProvider componentProvider, AvailabilityChecker availabilityChecker, ResourceDataProvider dataProvider, Datasource<Resource> datasource) {
71          super(definition, componentProvider, availabilityChecker, datasource);
72          this.dataProvider = dataProvider;
73      }
74  
75      @Override
76      public Stream<Resource> getParents(Resource item) {
77          final List<Resource> parents = new ArrayList<>();
78          Resource parent = item.getParent();
79          while (parent != null) {
80              parents.add(parent);
81              parent = parent.getParent();
82          }
83          return parents.stream();
84      }
85  
86      @Override
87      public FilterableHierarchicalDataProvider<Resource> createDataProvider() {
88          return FilterableHierarchicalDataProvider.wrap(dataProvider);
89      }
90  
91      @Override
92      protected PropertySet<Resource> createPropertySet() {
93          return BeanPropertySet.get(Resource.class);
94      }
95  
96      @Override
97      public TreeGrid<Resource> grid() {
98          TreeGrid<Resource> grid = super.grid();
99          configureColumn(grid.getColumn(COLUMN_OVERRIDDEN), 100);
100         configureColumn(grid.getColumn(COLUMN_ORIGIN), 100);
101         configureColumn(grid.getColumn(COLUMN_TYPE), 200);
102         configureColumn(grid.getColumn(COLUMN_STATUS), 100);
103         return grid;
104     }
105 
106     private void configureColumn(TreeGrid.Column<Resource, ?> column, int pixels) {
107         Optional.ofNullable(column).ifPresent(c -> c.setMaximumWidth(pixels));
108     }
109 }