1 /**
2 * This file Copyright (c) 2011-2018 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.ui.workbench.container;
35
36 import java.util.Collection;
37 import java.util.Collections;
38 import java.util.LinkedHashMap;
39 import java.util.Map;
40
41 import com.vaadin.v7.data.Container;
42
43 /**
44 * Abstract base class for containers. Provides support for managing the set of properties (columns) and
45 * an implementation of ItemSetChangeEvent.
46 */
47 public abstract class AbstractContainer implements Container {
48
49 private Map<String, PropertyDefinition> containerProperties = new LinkedHashMap<String, PropertyDefinition>();
50
51 @Override
52 public Collection<?> getContainerPropertyIds() {
53 return Collections.unmodifiableCollection(containerProperties.keySet());
54 }
55
56 @Override
57 public Class<?> getType(Object propertyId) {
58 return containerProperties.get(propertyId).getType();
59 }
60
61 @Override
62 public boolean addContainerProperty(Object propertyId, Class<?> type, Object defaultValue) throws UnsupportedOperationException {
63 containerProperties.put((String) propertyId, new PropertyDefinition((String) propertyId, type, defaultValue));
64 return true;
65 }
66
67 @Override
68 public boolean removeContainerProperty(Object propertyId) throws UnsupportedOperationException {
69 containerProperties.remove(propertyId);
70 return true;
71 }
72
73 /**
74 * ImplementationConfiguration of item set change event.
75 */
76 protected class ItemSetChangeEvent implements Container.ItemSetChangeEvent {
77
78 /**
79 * Gets the Property where the event occurred.
80 *
81 * @see com.vaadin.v7.data.Container.ItemSetChangeEvent#getContainer()
82 */
83 @Override
84 public Container getContainer() {
85 return AbstractContainer.this;
86 }
87 }
88
89 /**
90 * ImplementationConfiguration of item set change event.
91 */
92 protected class PropertySetChangeEvent implements Container.PropertySetChangeEvent {
93
94 /**
95 * Gets the Property where the event occurred.
96 *
97 * @see com.vaadin.v7.data.Container.ItemSetChangeEvent#getContainer()
98 */
99 @Override
100 public Container getContainer() {
101 return AbstractContainer.this;
102 }
103 }
104 }