1 /**
2 * This file Copyright (c) 2014-2015 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.dam.app.assets.field;
35
36 import info.magnolia.context.MgnlContext;
37 import info.magnolia.event.EventBus;
38 import info.magnolia.jcr.util.NodeTypes;
39 import info.magnolia.jcr.util.NodeUtil;
40 import info.magnolia.ui.api.action.ActionDefinition;
41 import info.magnolia.ui.api.event.ChooseDialogEventBus;
42 import info.magnolia.ui.api.view.View;
43 import info.magnolia.ui.dialog.actionarea.ActionListener;
44 import info.magnolia.ui.dialog.actionarea.renderer.DefaultEditorActionRenderer;
45 import info.magnolia.ui.vaadin.integration.jcr.JcrNodeItemId;
46 import info.magnolia.ui.workbench.event.SelectionChangedEvent;
47
48 import java.util.Set;
49
50 import javax.inject.Inject;
51 import javax.inject.Named;
52 import javax.jcr.RepositoryException;
53
54 import com.vaadin.ui.Button;
55
56 /**
57 * Extension of the default renderer to work around lack of availability checking for choose-dialog actions.
58 * — in particular, to listen to SelectionChangedEvents, ChooseDialogPresenter should first be relocated to ui-contentapp.
59 */
60 public class UploadAndEditActionRenderer extends DefaultEditorActionRenderer {
61
62 private final EventBus chooseDialogEventBus;
63
64 @Inject
65 public UploadAndEditActionRenderer(@Named(ChooseDialogEventBus.NAME) EventBus chooseDialogEventBus) {
66 this.chooseDialogEventBus = chooseDialogEventBus;
67 }
68
69 @Override
70 public View start(ActionDefinition definition, ActionListener listener) {
71 View view = super.start(definition, listener);
72 final Button button = (Button) view.asVaadinComponent();
73 // don't disable on click or action may be wrongly unavailable
74 button.setDisableOnClick(false);
75
76 chooseDialogEventBus.addHandler(SelectionChangedEvent.class, new SelectionChangedEvent.Handler() {
77
78 @Override
79 public void onSelectionChanged(SelectionChangedEvent event) {
80 // inner availability logic here mirrors the one in UpladAssetActionRenderer (in use for DirectUploadAction)
81 Set<Object> itemIds = event.getItemIds();
82 if (itemIds == null || itemIds.isEmpty()) {
83 return;
84 }
85 try {
86 JcrNodeItemId nodeItemId = (JcrNodeItemId) itemIds.iterator().next();
87 javax.jcr.Node node = MgnlContext.getJCRSession(nodeItemId.getWorkspace()).getNodeByIdentifier(nodeItemId.getUuid());
88 boolean uploadAllowed = itemIds.size() == 1;
89 if (uploadAllowed) {
90 uploadAllowed &= NodeUtil.isNodeType(node, NodeTypes.Folder.NAME) || NodeUtil.getAncestors(node).isEmpty();
91 }
92 button.setEnabled(uploadAllowed);
93 } catch (RepositoryException e) {
94 button.setEnabled(false);
95 }
96 }
97 });
98 return view;
99 }
100
101 }