1/*
2 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26
27package sun.lwawt;
28
29import java.awt.Label;
30import java.awt.peer.LabelPeer;
31
32import javax.swing.JLabel;
33import javax.swing.SwingConstants;
34
35/**
36 * Lightweight implementation of {@link LabelPeer}. Delegates most of the work
37 * to the {@link JLabel}.
38 */
39final class LWLabelPeer extends LWComponentPeer<Label, JLabel>
40        implements LabelPeer {
41
42    LWLabelPeer(final Label target, final PlatformComponent platformComponent) {
43        super(target, platformComponent);
44    }
45
46    @Override
47    JLabel createDelegate() {
48        return new JLabel();
49    }
50
51    @Override
52    void initializeImpl() {
53        super.initializeImpl();
54        setText(getTarget().getText());
55        setAlignment(getTarget().getAlignment());
56    }
57
58    @Override
59    public void setText(final String label) {
60        synchronized (getDelegateLock()) {
61            getDelegate().setText(label);
62        }
63    }
64
65    @Override
66    public void setAlignment(final int alignment) {
67        synchronized (getDelegateLock()) {
68            getDelegate().setHorizontalAlignment(convertAlignment(alignment));
69        }
70    }
71
72    /**
73     * Converts {@code Label} alignment constant to the {@code JLabel} constant.
74     * If wrong Label alignment provided returns default alignment.
75     *
76     * @param alignment {@code Label} constant.
77     *
78     * @return {@code JLabel} constant.
79     */
80    private static int convertAlignment(final int alignment) {
81        switch (alignment) {
82            case Label.CENTER:
83                return SwingConstants.CENTER;
84            case Label.RIGHT:
85                return SwingConstants.RIGHT;
86            default:
87                return SwingConstants.LEFT;
88        }
89    }
90}
91