1 /**
2 * This file Copyright (c) 2014-2018 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.pages.app.action;
35
36 import info.magnolia.event.EventBus;
37 import info.magnolia.i18nsystem.SimpleTranslator;
38 import info.magnolia.ui.api.app.SubAppEventBus;
39 import info.magnolia.ui.api.context.UiContext;
40 import info.magnolia.ui.api.event.ContentChangedEvent;
41 import info.magnolia.ui.framework.action.DeleteItemAction;
42 import info.magnolia.ui.framework.action.DeleteItemActionDefinition;
43 import info.magnolia.ui.vaadin.integration.jcr.JcrItemAdapter;
44 import info.magnolia.ui.vaadin.integration.jcr.JcrItemId;
45 import info.magnolia.ui.vaadin.integration.jcr.JcrItemUtil;
46
47 import javax.inject.Inject;
48 import javax.inject.Named;
49 import javax.jcr.Item;
50 import javax.jcr.PathNotFoundException;
51 import javax.jcr.Session;
52
53 /**
54 * Action for deleting components and areas. Overrides the default behaviour by sending the {@link ContentChangedEvent}
55 * on the {@link info.magnolia.ui.api.app.SubAppEventBus}. This notifies the {@link info.magnolia.pages.app.editor.PageEditorPresenter}.
56 */
57 public class DeletePageItemAction extends DeleteItemAction {
58
59 private final SimpleTranslator i18n;
60 private final EventBus eventBus;
61
62 @Inject
63 public DeletePageItemAction(DeleteItemActionDefinition definition, JcrItemAdapter item, @Named(SubAppEventBus.NAME) EventBus eventBus, UiContext uiContext, SimpleTranslator i18n) {
64 super(definition, item, eventBus, uiContext, i18n);
65 this.i18n = i18n;
66 this.eventBus = eventBus;
67 }
68
69 @Override
70 protected void executeOnItem(JcrItemAdapter item) throws Exception {
71 try {
72 Item jcrItem = item.getJcrItem();
73 if (jcrItem.getDepth() == 0) {
74 // cannot delete root node
75 throw new IllegalArgumentException(i18n.translate("ui-framework.actions.deleteItem.cannotDeleteRootItem"));
76 }
77 Session session = jcrItem.getSession();
78 JcrItemId parentItemId = JcrItemUtil.getItemId(jcrItem.getParent());
79 jcrItem.remove();
80 session.save();
81
82 eventBus.fireEvent(new ContentChangedEvent(parentItemId));
83 } catch (PathNotFoundException e) {
84 // ignore - the item has been probably already deleted (with a parent node)
85 }
86 }
87 }