001: /*
002: * The Apache Software License, Version 1.1
003: *
004: *
005: * Copyright (c) 1999,2000 The Apache Software Foundation. All rights
006: * reserved.
007: *
008: * Redistribution and use in source and binary forms, with or without
009: * modification, are permitted provided that the following conditions
010: * are met:
011: *
012: * 1. Redistributions of source code must retain the above copyright
013: * notice, this list of conditions and the following disclaimer.
014: *
015: * 2. Redistributions in binary form must reproduce the above copyright
016: * notice, this list of conditions and the following disclaimer in
017: * the documentation and/or other materials provided with the
018: * distribution.
019: *
020: * 3. The end-user documentation included with the redistribution,
021: * if any, must include the following acknowledgment:
022: * "This product includes software developed by the
023: * Apache Software Foundation (http://www.apache.org/)."
024: * Alternately, this acknowledgment may appear in the software itself,
025: * if and wherever such third-party acknowledgments normally appear.
026: *
027: * 4. The names "Xerces" and "Apache Software Foundation" must
028: * not be used to endorse or promote products derived from this
029: * software without prior written permission. For written
030: * permission, please contact apache@apache.org.
031: *
032: * 5. Products derived from this software may not be called "Apache",
033: * nor may "Apache" appear in their name, without prior written
034: * permission of the Apache Software Foundation.
035: *
036: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
037: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
038: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
039: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
040: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047: * SUCH DAMAGE.
048: * ====================================================================
049: *
050: * This software consists of voluntary contributions made by many
051: * individuals on behalf of the Apache Software Foundation and was
052: * originally based on software copyright (c) 1999, International
053: * Business Machines, Inc., http://www.apache.org. For more
054: * information on the Apache Software Foundation, please see
055: * <http://www.apache.org/>.
056: */
057: package org.apache.html.dom;
058:
059: import org.w3c.dom.*;
060: import org.w3c.dom.html.*;
061:
062: /**
063: * @version $Revision: 1.4 $ $Date: 2001/01/30 23:58:02 $
064: * @author <a href="mailto:arkin@openxml.org">Assaf Arkin</a>
065: * @see org.w3c.dom.html.HTMLOptionElement
066: * @see ElementImpl
067: */
068: public class HTMLOptionElementImpl extends HTMLElementImpl implements
069: HTMLOptionElement {
070:
071: public boolean getDefaultSelected() {
072: // ! NOT FULLY IMPLEMENTED !
073: return getBinary("default-selected");
074: }
075:
076: public void setDefaultSelected(boolean defaultSelected) {
077: // ! NOT FULLY IMPLEMENTED !
078: setAttribute("default-selected", defaultSelected);
079: }
080:
081: public String getText() {
082: Node child;
083: String text;
084:
085: // Find the Text nodes contained within this element and return their
086: // concatenated value. Required to go around comments, entities, etc.
087: child = getFirstChild();
088: text = "";
089: while (child != null) {
090: if (child instanceof Text)
091: text = text + ((Text) child).getData();
092: child = child.getNextSibling();
093: }
094: return text;
095: }
096:
097: public void setText(String text) {
098: Node child;
099: Node next;
100:
101: // Delete all the nodes and replace them with a single Text node.
102: // This is the only approach that can handle comments and other nodes.
103: child = getFirstChild();
104: while (child != null) {
105: next = child.getNextSibling();
106: removeChild(child);
107: child = next;
108: }
109: insertBefore(getOwnerDocument().createTextNode(text),
110: getFirstChild());
111: }
112:
113: public int getIndex() {
114: Node parent;
115: NodeList options;
116: int i;
117:
118: // Locate the parent SELECT. Note that this OPTION might be inside a
119: // OPTGROUP inside the SELECT. Or it might not have a parent SELECT.
120: // Everything is possible. If no parent is found, return -1.
121: parent = getParentNode();
122: while (parent != null && !(parent instanceof HTMLSelectElement))
123: parent = parent.getParentNode();
124: if (parent != null) {
125: // Use getElementsByTagName() which creates a snapshot of all the
126: // OPTION elements under the SELECT. Access to the returned NodeList
127: // is very fast and the snapshot solves many synchronization problems.
128: options = ((HTMLElement) parent)
129: .getElementsByTagName("OPTION");
130: for (i = 0; i < options.getLength(); ++i)
131: if (options.item(i) == this )
132: return i;
133: }
134: return -1;
135: }
136:
137: public void setIndex(int index) {
138: Node parent;
139: NodeList options;
140: Node item;
141:
142: // Locate the parent SELECT. Note that this OPTION might be inside a
143: // OPTGROUP inside the SELECT. Or it might not have a parent SELECT.
144: // Everything is possible. If no parent is found, just return.
145: parent = getParentNode();
146: while (parent != null && !(parent instanceof HTMLSelectElement))
147: parent = parent.getParentNode();
148: if (parent != null) {
149: // Use getElementsByTagName() which creates a snapshot of all the
150: // OPTION elements under the SELECT. Access to the returned NodeList
151: // is very fast and the snapshot solves many synchronization problems.
152: // Make sure this OPTION is not replacing itself.
153: options = ((HTMLElement) parent)
154: .getElementsByTagName("OPTION");
155: if (options.item(index) != this ) {
156: // Remove this OPTION from its parent. Place this OPTION right
157: // before indexed OPTION underneath it's direct parent (might
158: // be an OPTGROUP).
159: getParentNode().removeChild(this );
160: item = options.item(index);
161: item.getParentNode().insertBefore(this , item);
162: }
163: }
164: }
165:
166: public boolean getDisabled() {
167: return getBinary("disabled");
168: }
169:
170: public void setDisabled(boolean disabled) {
171: setAttribute("disabled", disabled);
172: }
173:
174: public String getLabel() {
175: return capitalize(getAttribute("label"));
176: }
177:
178: public void setLabel(String label) {
179: setAttribute("label", label);
180: }
181:
182: public boolean getSelected() {
183: return getBinary("selected");
184: }
185:
186: public void setSelected(boolean selected) {
187: setAttribute("selected", selected);
188: }
189:
190: public String getValue() {
191: return getAttribute("value");
192: }
193:
194: public void setValue(String value) {
195: setAttribute("value", value);
196: }
197:
198: /**
199: * Constructor requires owner document.
200: *
201: * @param owner The owner HTML document
202: */
203: public HTMLOptionElementImpl(HTMLDocumentImpl owner, String name) {
204: super(owner, name);
205: }
206:
207: }
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