/*****************************************************************************
 * Copyright (C) The Apache Software Foundation. All rights reserved.        *
 * ------------------------------------------------------------------------- *
 * This software is published under the terms of the Apache Software License *
 * version 1.1, a copy of which has been included with this distribution in  *
 * the LICENSE file.                                                         *
 *****************************************************************************/

package org.apache.batik.css.engine.value.svg;

import org.apache.batik.css.engine.CSSEngine;
import org.apache.batik.css.engine.value.LengthManager;
import org.apache.batik.css.engine.value.Value;
import org.apache.batik.util.CSSConstants;
import org.w3c.css.sac.LexicalUnit;
import org.w3c.dom.DOMException;

/**
 * This class provides a factory for the 'stroke-dashoffset' property values.
 *
 * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a>
 * @version $Id: StrokeDashoffsetManager.java,v 1.2 2003/04/11 13:55:58 vhardy Exp $
 */
public class StrokeDashoffsetManager extends LengthManager {
    
    /**
     * Implements {@link ValueManager#isInheritedProperty()}.
     */
    public boolean isInheritedProperty() {
	return true;
    }

    /**
     * Implements {@link ValueManager#getPropertyName()}.
     */
    public String getPropertyName() {
	return CSSConstants.CSS_STROKE_DASHOFFSET_PROPERTY;
    }
    
    /**
     * Implements {@link ValueManager#getDefaultValue()}.
     */
    public Value getDefaultValue() {
        return SVGValueConstants.NUMBER_0;
    }

    /**
     * Implements {@link ValueManager#createValue(LexicalUnit,CSSEngine)}.
     */
    public Value createValue(LexicalUnit lu, CSSEngine engine)
        throws DOMException {
        if (lu.getLexicalUnitType() == LexicalUnit.SAC_INHERIT) {
            return SVGValueConstants.INHERIT_VALUE;
        }
        return super.createValue(lu, engine);
    }


    /**
     * Indicates the orientation of the property associated with
     * this manager.
     */
    protected int getOrientation() {
        return BOTH_ORIENTATION;
    }
}
