001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041: package org.netbeans.modules.visualweb.designer.cssengine;
042:
043: import org.apache.batik.css.engine.CSSEngine;
044: import org.apache.batik.css.engine.value.AbstractValueManager;
045: import org.apache.batik.css.engine.value.FloatValue;
046: import org.apache.batik.css.engine.value.Value;
047: import org.w3c.css.sac.LexicalUnit;
048: import org.w3c.dom.DOMException;
049: import org.w3c.dom.css.CSSPrimitiveValue;
050:
051: /**
052: * This class provides support for the "z-index" property.
053: * Z indices must be integers. The spec allows them to be negative too,
054: * but apparently not all browsers support this (Steve filed a bug on
055: * this, look up id and reference it here.)
056: *
057: * @author Tor Norbye
058: */
059: public class ZIndexManager extends AbstractValueManager {
060:
061: public boolean isInheritedProperty() {
062: return false;
063: }
064:
065: public String getPropertyName() {
066: return CssConstants.CSS_Z_INDEX_PROPERTY;
067: }
068:
069: public Value getDefaultValue() {
070: return CssValueConstants.AUTO_VALUE;
071: }
072:
073: public Value createValue(LexicalUnit lu, CSSEngine engine)
074: throws DOMException {
075: switch (lu.getLexicalUnitType()) {
076: case LexicalUnit.SAC_INHERIT:
077: return CssValueConstants.INHERIT_VALUE;
078:
079: case LexicalUnit.SAC_INTEGER:
080: return new FloatValue(CSSPrimitiveValue.CSS_NUMBER, lu
081: .getIntegerValue());
082:
083: case LexicalUnit.SAC_REAL:
084: return new FloatValue(CSSPrimitiveValue.CSS_NUMBER, lu
085: .getFloatValue());
086:
087: default:
088: throw createInvalidLexicalUnitDOMException(lu
089: .getLexicalUnitType(), engine);
090: }
091: }
092:
093: public Value createFloatValue(short unitType, float floatValue,
094: CSSEngine engine) throws DOMException {
095: if (unitType == CSSPrimitiveValue.CSS_NUMBER) {
096: return new FloatValue(unitType, floatValue);
097: }
098: throw createInvalidFloatTypeDOMException(unitType, engine);
099: }
100: }
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