001: /*
002:
003: ============================================================================
004: The Apache Software License, Version 1.1
005: ============================================================================
006:
007: Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
008:
009: Redistribution and use in source and binary forms, with or without modifica-
010: tion, are permitted provided that the following conditions are met:
011:
012: 1. Redistributions of source code must retain the above copyright notice,
013: this list of conditions and the following disclaimer.
014:
015: 2. Redistributions in binary form must reproduce the above copyright notice,
016: this list of conditions and the following disclaimer in the documentation
017: and/or other materials provided with the distribution.
018:
019: 3. The end-user documentation included with the redistribution, if any, must
020: include the following acknowledgment: "This product includes software
021: developed by the Apache Software Foundation (http://www.apache.org/)."
022: Alternately, this acknowledgment may appear in the software itself, if
023: and wherever such third-party acknowledgments normally appear.
024:
025: 4. The names "Batik" and "Apache Software Foundation" must not be
026: used to endorse or promote products derived from this software without
027: prior written permission. For written permission, please contact
028: apache@apache.org.
029:
030: 5. Products derived from this software may not be called "Apache", nor may
031: "Apache" appear in their name, without prior written permission of the
032: Apache Software Foundation.
033:
034: THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
035: INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
036: FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
037: APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
038: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
039: DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
040: OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
041: ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
042: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
043: THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
044:
045: This software consists of voluntary contributions made by many individuals
046: on behalf of the Apache Software Foundation. For more information on the
047: Apache Software Foundation, please see <http://www.apache.org/>.
048:
049: */
050:
051: package org.apache.batik.css.engine.value.css2;
052:
053: import org.apache.batik.css.engine.CSSEngine;
054: import org.apache.batik.css.engine.value.InheritValue;
055: import org.apache.batik.css.engine.value.RectManager;
056: import org.apache.batik.css.engine.value.Value;
057: import org.apache.batik.css.engine.value.ValueConstants;
058: import org.apache.batik.util.CSSConstants;
059: import org.w3c.css.sac.LexicalUnit;
060: import org.w3c.dom.DOMException;
061: import org.w3c.dom.css.CSSPrimitiveValue;
062:
063: /**
064: * This class provides a manager for the 'clip' property values.
065: *
066: * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a>
067: * @version $Id$
068: */
069: public class ClipManager extends RectManager {
070:
071: /**
072: * Implements {@link ValueManager#isInheritedProperty()}.
073: */
074: public boolean isInheritedProperty() {
075: return false;
076: }
077:
078: /**
079: * Implements {@link ValueManager#getPropertyName()}.
080: */
081: public String getPropertyName() {
082: return CSSConstants.CSS_CLIP_PROPERTY;
083: }
084:
085: /**
086: * Implements {@link ValueManager#getDefaultValue()}.
087: */
088: public Value getDefaultValue() {
089: return ValueConstants.AUTO_VALUE;
090: }
091:
092: /**
093: * Implements {@link ValueManager#createValue(LexicalUnit,CSSEngine)}.
094: */
095: public Value createValue(LexicalUnit lu, CSSEngine engine)
096: throws DOMException {
097: switch (lu.getLexicalUnitType()) {
098: case LexicalUnit.SAC_INHERIT:
099: return InheritValue.INSTANCE;
100:
101: case LexicalUnit.SAC_IDENT:
102: if (lu.getStringValue().equalsIgnoreCase(
103: CSSConstants.CSS_AUTO_VALUE)) {
104: return ValueConstants.AUTO_VALUE;
105: }
106: }
107: return super .createValue(lu, engine);
108: }
109:
110: /**
111: * Implements {@link
112: * ValueManager#createStringValue(short,String,CSSEngine)}.
113: */
114: public Value createStringValue(short type, String value,
115: CSSEngine engine) throws DOMException {
116: if (type != CSSPrimitiveValue.CSS_IDENT) {
117: throw createInvalidStringTypeDOMException(type, engine);
118: }
119: if (!value.equalsIgnoreCase(CSSConstants.CSS_AUTO_VALUE)) {
120: throw createInvalidIdentifierDOMException(value, engine);
121: }
122: return ValueConstants.AUTO_VALUE;
123: }
124: }
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