J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998-2006 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | package javax.swing.text.html; |
| 26 | |
| 27 | import java.io.Serializable; |
| 28 | import javax.swing.text.*; |
| 29 | |
| 30 | /** |
| 31 | * Value for the ListModel used to represent |
| 32 | * <option> elements. This is the object |
| 33 | * installed as items of the DefaultComboBoxModel |
| 34 | * used to represent the <select> element. |
| 35 | * <p> |
| 36 | * <strong>Warning:</strong> |
| 37 | * Serialized objects of this class will not be compatible with |
| 38 | * future Swing releases. The current serialization support is |
| 39 | * appropriate for short term storage or RMI between applications running |
| 40 | * the same version of Swing. As of 1.4, support for long term storage |
| 41 | * of all JavaBeans<sup><font size="-2">TM</font></sup> |
| 42 | * has been added to the <code>java.beans</code> package. |
| 43 | * Please see {@link java.beans.XMLEncoder}. |
| 44 | * |
| 45 | * @author Timothy Prinzing |
| 46 | */ |
| 47 | public class Option implements Serializable { |
| 48 | |
| 49 | /** |
| 50 | * Creates a new Option object. |
| 51 | * |
| 52 | * @param attr the attributes associated with the |
| 53 | * option element. The attributes are copied to |
| 54 | * ensure they won't change. |
| 55 | */ |
| 56 | public Option(AttributeSet attr) { |
| 57 | this.attr = attr.copyAttributes(); |
| 58 | selected = (attr.getAttribute(HTML.Attribute.SELECTED) != null); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Sets the label to be used for the option. |
| 63 | */ |
| 64 | public void setLabel(String label) { |
| 65 | this.label = label; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Fetch the label associated with the option. |
| 70 | */ |
| 71 | public String getLabel() { |
| 72 | return label; |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Fetch the attributes associated with this option. |
| 77 | */ |
| 78 | public AttributeSet getAttributes() { |
| 79 | return attr; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * String representation is the label. |
| 84 | */ |
| 85 | public String toString() { |
| 86 | return label; |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Sets the selected state. |
| 91 | */ |
| 92 | protected void setSelection(boolean state) { |
| 93 | selected = state; |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Fetches the selection state associated with this option. |
| 98 | */ |
| 99 | public boolean isSelected() { |
| 100 | return selected; |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Convenience method to return the string associated |
| 105 | * with the <code>value</code> attribute. If the |
| 106 | * value has not been specified, the label will be |
| 107 | * returned. |
| 108 | */ |
| 109 | public String getValue() { |
| 110 | String value = (String) attr.getAttribute(HTML.Attribute.VALUE); |
| 111 | if (value == null) { |
| 112 | value = label; |
| 113 | } |
| 114 | return value; |
| 115 | } |
| 116 | |
| 117 | private boolean selected; |
| 118 | private String label; |
| 119 | private AttributeSet attr; |
| 120 | } |