--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/macosx/classes/sun/lwawt/LWLabelPeer.java Tue Mar 06 20:34:38 2012 +0000
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+package sun.lwawt;
+
+import java.awt.Dimension;
+import java.awt.FontMetrics;
+import java.awt.Label;
+import java.awt.peer.LabelPeer;
+
+import javax.swing.JLabel;
+import javax.swing.SwingConstants;
+
+/**
+ * Lightweight implementation of {@link LabelPeer}. Delegates most of the work
+ * to the {@link JLabel}.
+ */
+final class LWLabelPeer extends LWComponentPeer<Label, JLabel>
+ implements LabelPeer {
+
+ private static final int TEXT_XPAD = 5;
+ private static final int TEXT_YPAD = 1;
+
+ LWLabelPeer(final Label target, final PlatformComponent platformComponent) {
+ super(target, platformComponent);
+ }
+
+ @Override
+ protected JLabel createDelegate() {
+ final JLabel label = new JLabel();
+ label.setVerticalAlignment(SwingConstants.TOP);
+ return label;
+ }
+
+ @Override
+ public void initialize() {
+ super.initialize();
+ setText(getTarget().getText());
+ setAlignment(getTarget().getAlignment());
+ }
+
+ @Override
+ public void setText(final String label) {
+ synchronized (getDelegateLock()) {
+ getDelegate().setText(label);
+ }
+ }
+
+ @Override
+ public void setAlignment(final int alignment) {
+ synchronized (getDelegateLock()) {
+ getDelegate().setHorizontalAlignment(convertAlignment(alignment));
+ }
+ }
+
+ @Override
+ public Dimension getMinimumSize() {
+ int w = TEXT_XPAD;
+ int h = TEXT_YPAD;
+ final FontMetrics fm = getFontMetrics(getFont());
+ if (fm != null) {
+ final String text;
+ synchronized (getDelegateLock()) {
+ text = getDelegate().getText();
+ }
+ if (text != null) {
+ w += fm.stringWidth(text);
+ }
+ h += fm.getHeight();
+ }
+ return new Dimension(w, h);
+ }
+
+ /**
+ * Converts {@code Label} alignment constant to the {@code JLabel} constant.
+ * If wrong Label alignment provided returns default alignment.
+ *
+ * @param alignment {@code Label} constant.
+ *
+ * @return {@code JLabel} constant.
+ */
+ private static int convertAlignment(final int alignment) {
+ switch (alignment) {
+ case Label.CENTER:
+ return SwingConstants.CENTER;
+ case Label.RIGHT:
+ return SwingConstants.RIGHT;
+ default:
+ return SwingConstants.LEFT;
+ }
+ }
+}