1 /**
2 * This file Copyright (c) 2019 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.availability.rule;
35
36 import info.magnolia.ui.api.app.SubAppContext;
37 import info.magnolia.ui.api.availability.AvailabilityDefinition;
38 import info.magnolia.ui.contentapp.ContentBrowserSubApp;
39 import info.magnolia.ui.datasource.ItemResolver;
40
41 import java.util.Optional;
42
43 import javax.inject.Inject;
44
45 /**
46 * {@link info.magnolia.ui.api.availability.AvailabilityRule} implementation which check if item can be moved inside/before/after of selected item.
47 */
48 public class CanMoveRule<T> extends AbstractAvailabilityRule<T, CanMoveRuleDefinition> {
49
50 private final ItemResolver<T> itemResolver;
51 private final SubAppContext subAppContext;
52
53 @Inject
54 public CanMoveRule(AvailabilityDefinition availabilityDefinition, CanMoveRuleDefinition ruleDefinition, ItemResolver<T> itemResolver, SubAppContext subAppContext) {
55 super(availabilityDefinition, ruleDefinition);
56 this.itemResolver = itemResolver;
57 this.subAppContext = subAppContext;
58 }
59
60 @Override
61 protected boolean isAvailableFor(T item) {
62 return Optional.of(subAppContext)
63 .map(SubAppContext::getLocation)
64 .map(ContentBrowserSubApp.BrowserLocation::wrap)
65 .map(ContentBrowserSubApp.BrowserLocation::getNodePath)
66 .map(path -> !path.equals(itemResolver.getId(item)))
67 .orElse(true);
68 }
69 }