Source Code Cross Referenced for HTMLSelectElementImpl.java in  » Database-DBMS » Ozone-1.1 » org » ozoneDB » xml » dom » html » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » Ozone 1.1 » org.ozoneDB.xml.dom.html 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * org/ozone-db/xml/dom/html/HTMLSelectElementImpl.java
003:         *
004:         * The contents of this file are subject to the OpenXML Public
005:         * License Version 1.0; you may not use this file except in compliance
006:         * with the License. You may obtain a copy of the License at
007:         * http://www.openxml.org/license.html
008:         *
009:         * THIS SOFTWARE IS DISTRIBUTED ON AN "AS IS" BASIS WITHOUT WARRANTY
010:         * OF ANY KIND, EITHER EXPRESSED OR IMPLIED. THE INITIAL DEVELOPER
011:         * AND ALL CONTRIBUTORS SHALL NOT BE LIABLE FOR ANY DAMAGES AS A
012:         * RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
013:         * DERIVATIVES. SEE THE LICENSE FOR THE SPECIFIC LANGUAGE GOVERNING
014:         * RIGHTS AND LIMITATIONS UNDER THE LICENSE.
015:         *
016:         * The Initial Developer of this code under the License is Assaf Arkin.
017:         * Portions created by Assaf Arkin are Copyright (C) 1998, 1999.
018:         * All Rights Reserved.
019:         */package org.ozoneDB.xml.dom.html;
020:
021:        import org.ozoneDB.xml.dom.*;
022:        import org.w3c.dom.*;
023:        import org.w3c.dom.html.*;
024:
025:        /**
026:         * @version $Revision: 1.1 $ $Date: 2001/12/18 11:03:24 $
027:         * @author <a href="mailto:arkin@trendline.co.il">Assaf Arkin</a>
028:         * @see org.w3c.dom.html.HTMLSelectElement
029:         * @see ElementImpl
030:         */
031:        public final class HTMLSelectElementImpl extends HTMLElementImpl
032:                implements  HTMLSelectElement, HTMLFormControl {
033:
034:            public String getType() {
035:                return getAttribute("type");
036:            }
037:
038:            public String getValue() {
039:                return getAttribute("value");
040:            }
041:
042:            public void setValue(String value) {
043:                setAttribute("value", value);
044:            }
045:
046:            public int getSelectedIndex() {
047:                NodeList options;
048:                int i;
049:
050:                // Use getElementsByTagName() which creates a snapshot of all the
051:                // OPTION elements under this SELECT. Access to the returned NodeList
052:                // is very fast and the snapshot solves many synchronization problems.
053:                // Locate the first selected OPTION and return its index. Note that
054:                // the OPTION might be under an OPTGROUP.
055:                options = getElementsByTagName("OPTION");
056:                for (i = 0; i < options.getLength(); ++i) {
057:                    if (((HTMLOptionElement) options.item(i)).getSelected()) {
058:                        return i;
059:                    }
060:                }
061:                return -1;
062:            }
063:
064:            public void setSelectedIndex(int selectedIndex) {
065:                NodeList options;
066:                int i;
067:
068:                // Use getElementsByTagName() which creates a snapshot of all the
069:                // OPTION elements under this SELECT. Access to the returned NodeList
070:                // is very fast and the snapshot solves many synchronization problems.
071:                // Change the select so all OPTIONs are off, except for the
072:                // selectIndex-th one.
073:                options = getElementsByTagName("OPTION");
074:                for (i = 0; i < options.getLength(); ++i) {
075:                    ((HTMLOptionElementImpl) options.item(i))
076:                            .setSelected(i == selectedIndex);
077:                }
078:            }
079:
080:            public HTMLCollection getOptions() {
081:                if (_options == null) {
082:                    _options = new HTMLCollectionImpl(this ,
083:                            HTMLCollectionImpl.OPTION);
084:                }
085:                return _options;
086:            }
087:
088:            public int getLength() {
089:                return getOptions().getLength();
090:            }
091:
092:            public boolean getDisabled() {
093:                return getAttribute("disabled") != null;
094:            }
095:
096:            public void setDisabled(boolean disabled) {
097:                setAttribute("disabled", disabled ? "" : null);
098:            }
099:
100:            public boolean getMultiple() {
101:                return getAttribute("multiple") != null;
102:            }
103:
104:            public void setMultiple(boolean multiple) {
105:                setAttribute("multiple", multiple ? "" : null);
106:            }
107:
108:            public String getName() {
109:                return getAttribute("name");
110:            }
111:
112:            public void setName(String name) {
113:                setAttribute("name", name);
114:            }
115:
116:            public int getSize() {
117:                return toInteger(getAttribute("size"));
118:            }
119:
120:            public void setSize(int size) {
121:                setAttribute("size", String.valueOf(size));
122:            }
123:
124:            public int getTabIndex() {
125:                return toInteger(getAttribute("tabindex"));
126:            }
127:
128:            public void setTabIndex(int tabIndex) {
129:                setAttribute("tabindex", String.valueOf(tabIndex));
130:            }
131:
132:            public void add(HTMLElement element, HTMLElement before) {
133:                insertBefore(element, before);
134:            }
135:
136:            public void remove(int index) {
137:                NodeList options;
138:                Node removed;
139:
140:                // Use getElementsByTagName() which creates a snapshot of all the
141:                // OPTION elements under this SELECT. Access to the returned NodeList
142:                // is very fast and the snapshot solves many synchronization problems.
143:                // Remove the indexed OPTION from it's parent, this might be this
144:                // SELECT or an OPTGROUP.
145:                options = getElementsByTagName("OPTION");
146:                removed = options.item(index);
147:                if (removed != null) {
148:                    removed.getParentNode().removeChild(removed);
149:                }
150:            }
151:
152:            public void blur() {
153:                // No scripting in server-side DOM. This method is moot.
154:            }
155:
156:            public void focus() {
157:                // No scripting in server-side DOM. This method is moot.
158:            }
159:
160:            /**
161:             * Constructor requires owner document.
162:             *
163:             * @param owner The owner HTML document
164:             */
165:            public HTMLSelectElementImpl(HTMLDocumentImpl owner, String name) {
166:                super (owner, "SELECT");
167:            }
168:
169:            private HTMLCollection _options;
170:
171:        }
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