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
35 package info.magnolia.ui.contentapp.browser.actions;
36
37 import info.magnolia.icons.MagnoliaIcons;
38 import info.magnolia.ui.vaadin.actionbar.ActionPopup;
39
40 import javax.inject.Inject;
41
42 import com.vaadin.ui.Grid;
43
44 /**
45 * ActionManager provides updating of {@link ActionPopup} context menu based
46 * on {@link ActionbarPresenter} and provides way to fire default action on grid item.
47 *
48 * @param <T> item type.
49 */
50 public class ActionManager<T> {
51 private final Grid grid;
52 private final ActionbarPresenter<T> actionbarPresenter;
53 private ActionPopup actionPopup;
54 private String lastGroup;
55
56 @Inject
57 ActionManager(Grid<T> grid, ActionbarPresenter actionbarPresenter) {
58 this.grid = grid;
59 this.actionbarPresenter = actionbarPresenter;
60
61 grid.addContextClickListener(event -> {
62 T item = ((Grid.GridContextClickEvent<T>) event).getItem();
63 if (item != null) {
64 if (!grid.getSelectedItems().contains(item)) {
65 grid.deselectAll();
66 }
67 grid.select(item);
68 } else {
69 grid.deselectAll();
70 }
71
72 this.update();
73 this.actionPopup.open(event.getClientX(), event.getClientY());
74 });
75 }
76
77 private void update() {
78 // renew actionPopup in order to solve 'every second menu closes' vaadin bug
79 this.actionPopup = new ActionPopup(grid, false);
80 lastGroup = null;
81 actionbarPresenter.getAvailableActions().forEach(actionbarItem -> {
82 if (lastGroup != null && !actionbarItem.getGroupName().equals(lastGroup)) {
83 actionPopup.addSeparator();
84 }
85 lastGroup = actionbarItem.getGroupName();
86 actionPopup.addItem(actionbarItem.getLabel(), MagnoliaIcons.forCssClass(actionbarItem.getIconFontId()).orElse(MagnoliaIcons.ACTION), item ->
87 actionbarPresenter.fireAction(actionbarItem.getName()))
88 .setEnabled(actionbarPresenter.isEnableAction(actionbarItem.getName()));
89 });
90 }
91
92 public void fireDefaultAction() {
93 if (!grid.getEditor().isEnabled()) {
94 actionbarPresenter.fireDefaultAction();
95 }
96 }
97 }