1 /**
2 * This file Copyright (c) 2010-2012 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.vaadin.magnoliashell.viewport;
35
36 import info.magnolia.ui.framework.view.View;
37 import info.magnolia.ui.framework.view.ViewPort;
38 import info.magnolia.ui.vaadin.gwt.client.magnoliashell.viewport.VShellViewport;
39 import info.magnolia.ui.vaadin.magnoliashell.BaseMagnoliaShell;
40 import info.magnolia.ui.vaadin.magnoliashell.DeckLayout;
41
42 import java.util.Iterator;
43
44 import com.vaadin.ui.ClientWidget;
45 import com.vaadin.ui.ClientWidget.LoadStyle;
46 import com.vaadin.ui.Component;
47
48
49 /**
50 * The server side implementation of the shell viewport. MagnoliaShell is capable of holding of such for the shell apps,
51 * one - for the regular apps.
52 */
53 @ClientWidget(value = VShellViewport.class, loadStyle = LoadStyle.EAGER)
54 public class ShellViewport extends DeckLayout implements ViewPort {
55
56 private String currentShellFragment = "";
57
58 private final BaseMagnoliaShell parentShell;
59
60 private View view;
61
62 public ShellViewport(final BaseMagnoliaShell shell) {
63 super();
64 setSizeFull();
65 display(null);
66 this.parentShell = shell;
67 }
68
69 public void setCurrentShellFragment(String currentShellFragment) {
70 this.currentShellFragment = currentShellFragment;
71 }
72
73 public String getCurrentShellFragment() {
74 return currentShellFragment;
75 }
76
77 @Override
78 public void setView(final View view) {
79 if (view != null) {
80 this.view = view;
81 final Component c = this.view.asVaadinComponent();
82 display(c);
83 parentShell.setActiveViewport(this);
84 }
85 }
86
87 /**
88 * Viewports need to set visible state on the server first, for being able to resync to client on browser refresh.
89 */
90 @Override
91 public void display(Component content) {
92 super.display(content);
93 Iterator<Component> iterator = getComponentIterator();
94 while (iterator.hasNext()) {
95 Component childComponent = iterator.next();
96 if (childComponent == content) {
97 childComponent.setVisible(true);
98 } else {
99 childComponent.setVisible(false);
100 }
101 }
102 }
103 }