1 /**
2 * This file Copyright (c) 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.contentapp.browser;
35
36 import info.magnolia.ui.ValueContext;
37 import info.magnolia.ui.contentapp.configuration.ListViewDefinition;
38
39 import java.util.Iterator;
40 import java.util.stream.Stream;
41
42 import javax.inject.Inject;
43
44 import com.vaadin.data.provider.Query;
45 import com.vaadin.ui.Grid;
46
47 /**
48 * Content view presenting a flat dataset via {@link Grid Vaadin Grid component}.
49 * @param <T> item type.
50 */
51 public class ListView<T> extends GridView<T, ListPresenter<T>> {
52
53 @Inject
54 public ListView(ValueContext<T> valueContext, ListViewDefinition<T> definition) {
55 super(valueContext, definition);
56 }
57
58 @Override
59 protected ListPresenter<T> createPresenter() {
60 return create(ListPresenter.class);
61 }
62
63 @Override
64 Stream<T> fetchItems() {
65 return grid.getDataProvider().fetch(new Query<>()); //unlike #super, we don't need to create whole list in memory
66 }
67 }