1 /* 2 * Copyright (c) 1998, 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 23 * 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™ 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 @SuppressWarnings("serial") // Same-version serialization only 48 public class Option implements Serializable { 49 50 /** 51 * Creates a new Option object. 52 * 53 * @param attr the attributes associated with the 54 * option element. The attributes are copied to 55 * ensure they won't change. 56 */ 57 public Option(AttributeSet attr) { 58 this.attr = attr.copyAttributes(); 59 selected = (attr.getAttribute(HTML.Attribute.SELECTED) != null); 60 } 61 62 /** 63 * Sets the label to be used for the option. 64 */ 65 public void setLabel(String label) { 66 this.label = label; 67 } 68 69 /** 70 * Fetch the label associated with the option. 71 */ 72 public String getLabel() { 73 return label; 74 } 75 76 /** 77 * Fetch the attributes associated with this option. 78 */ 79 public AttributeSet getAttributes() { 80 return attr; 81 } 82 83 /** 84 * String representation is the label. 85 */ 86 public String toString() { 87 return label; 88 } 89 90 /** 91 * Sets the selected state. 92 */ 93 protected void setSelection(boolean state) { 94 selected = state; 95 } 96 97 /** 98 * Fetches the selection state associated with this option. 99 */ 100 public boolean isSelected() { 101 return selected; 102 } 103 104 /** 105 * Convenience method to return the string associated 106 * with the <code>value</code> attribute. If the 107 * value has not been specified, the label will be 108 * returned. 109 */ 110 public String getValue() { 111 String value = (String) attr.getAttribute(HTML.Attribute.VALUE); 112 if (value == null) { 113 value = label; 114 } 115 return value; 116 } 117 118 private boolean selected; 119 private String label; 120 private AttributeSet attr; 121 }