1 /*
2 * Copyright (c) 1995, 2014, 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
126 */
127 public Choice() throws HeadlessException {
128 GraphicsEnvironment.checkHeadless();
129 pItems = new Vector<>();
130 }
131
132 /**
133 * Constructs a name for this component. Called by
134 * <code>getName</code> when the name is <code>null</code>.
135 */
136 String constructComponentName() {
137 synchronized (Choice.class) {
138 return base + nameCounter++;
139 }
140 }
141
142 /**
143 * Creates the <code>Choice</code>'s peer. This peer allows us
144 * to change the look
145 * of the <code>Choice</code> without changing its functionality.
146 * @see java.awt.Toolkit#createChoice(java.awt.Choice)
147 * @see java.awt.Component#getToolkit()
148 */
149 public void addNotify() {
150 synchronized (getTreeLock()) {
151 if (peer == null)
152 peer = getToolkit().createChoice(this);
153 super.addNotify();
154 }
155 }
156
157 /**
158 * Returns the number of items in this <code>Choice</code> menu.
159 *
160 * @return the number of items in this <code>Choice</code> menu
161 * @see #getItem
162 * @since 1.1
163 */
164 public int getItemCount() {
165 return countItems();
166 }
167
168 /**
169 * Returns the number of items in this {@code Choice} menu.
170 *
171 * @return the number of items in this {@code Choice} menu
172 * @deprecated As of JDK version 1.1,
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1 /*
2 * Copyright (c) 1995, 2015, 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
126 */
127 public Choice() throws HeadlessException {
128 GraphicsEnvironment.checkHeadless();
129 pItems = new Vector<>();
130 }
131
132 /**
133 * Constructs a name for this component. Called by
134 * <code>getName</code> when the name is <code>null</code>.
135 */
136 String constructComponentName() {
137 synchronized (Choice.class) {
138 return base + nameCounter++;
139 }
140 }
141
142 /**
143 * Creates the <code>Choice</code>'s peer. This peer allows us
144 * to change the look
145 * of the <code>Choice</code> without changing its functionality.
146 * @see java.awt.Component#getToolkit()
147 */
148 public void addNotify() {
149 synchronized (getTreeLock()) {
150 if (peer == null)
151 peer = getComponentFactory().createChoice(this);
152 super.addNotify();
153 }
154 }
155
156 /**
157 * Returns the number of items in this <code>Choice</code> menu.
158 *
159 * @return the number of items in this <code>Choice</code> menu
160 * @see #getItem
161 * @since 1.1
162 */
163 public int getItemCount() {
164 return countItems();
165 }
166
167 /**
168 * Returns the number of items in this {@code Choice} menu.
169 *
170 * @return the number of items in this {@code Choice} menu
171 * @deprecated As of JDK version 1.1,
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