1 /**
2 * This file Copyright (c) 2013-2018 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.ui.workbench;
35
36 import java.util.Iterator;
37
38 import com.vaadin.ui.Alignment;
39 import com.vaadin.ui.Component;
40 import com.vaadin.v7.ui.HorizontalLayout;
41
42 /**
43 * The status bar view interface is implemented purely on the server-side - without custom widgets. In fact, it extends
44 * the {@link HorizontalLayout} directly, rather than using a vaadin {@link com.vaadin.ui.CustomComponent CustomComponent}, because this
45 * view impl is never exposed explicitly.<br />
46 * Color change is ensured by toggling CSS preset styles.
47 */
48 public class StatusBarViewImpl extends HorizontalLayout implements StatusBarView {
49
50 private static final String STYLE_NAME = "statusbar";
51
52 private String color;
53
54 public StatusBarViewImpl() {
55 setWidth(100, Unit.PERCENTAGE);
56 setSpacing(true);
57 setStyleName(STYLE_NAME);
58 }
59
60 /**
61 * Adds component based on its alignment, first added first aligned. Concretely, we have to insert components
62 * at the correct index in this {@link HorizontalLayout}.<br />
63 * <br />
64 * For left alignment: new insertion position is after last left-aligned component (LTR).<br />
65 * For right alignment: new insertion position is before first right-aligned component (RTL).<br />
66 * For center alignment: same as for right alignment, equals to position after last centered component (LTR).
67 */
68 @Override
69 public void addComponent(Component c, Alignment align) {
70
71 // compute index based on requested alignment, first come first aligned
72 int index = 0;
73 Iterator<Component> it = iterator();
74
75 if (align.isLeft()) {
76 while (it.hasNext() && getComponentAlignment(it.next()).isLeft()) {
77 index++;
78 }
79 } else {
80 while (it.hasNext() && !getComponentAlignment(it.next()).isRight()) {
81 index++;
82 }
83 }
84
85 addComponent(c, index);
86 setComponentAlignment(c, align);
87 }
88
89 @Override
90 public void setColor(String colorStyleName) {
91 removeStyleName(this.color);
92 addStyleName(colorStyleName);
93 this.color = colorStyleName;
94 }
95
96 @Override
97 public Component asVaadinComponent() {
98 return this;
99 }
100
101
102 }