/*
 * SVG Salamander
 * Copyright (c) 2004, Mark McKay
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or 
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 *   - Redistributions of source code must retain the above 
 *     copyright notice, this list of conditions and the following
 *     disclaimer.
 *   - Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials 
 *     provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE. 
 * 
 * Mark McKay can be contacted at mark@kitfox.com.  Salamander and other
 * projects can be found at http://www.kitfox.com
 *
 * Created on September 19, 2004, 1:56 AM
 */
package com.kitfox.svg;

import com.kitfox.svg.xml.StyleAttribute;
import com.kitfox.svg.xml.StyleSheet;

/**
 * Holds title textual information within tree
 *
 * @author Mark McKay
 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
 */
public class Style extends SVGElement
{

    public static final String TAG_NAME = "style";
    //Should be set to "text/css"
    String type;
    StringBuffer text = new StringBuffer();

    StyleSheet styleSheet;
    
    /**
     * Creates a new instance of Stop
     */
    public Style()
    {
    }

    @Override
    public String getTagName()
    {
        return TAG_NAME;
    }

    /**
     * Called during load process to add text scanned within a tag
     */
    @Override
    public void loaderAddText(SVGLoaderHelper helper, String text)
    {
        this.text.append(text);
        
        //Invalidate style sheet
        styleSheet = null;
    }

    @Override
    protected void build() throws SVGException
    {
        super.build();

        StyleAttribute sty = new StyleAttribute();

        if (getPres(sty.setName("type")))
        {
            type = sty.getStringValue();
        }
    }

    @Override
    public boolean updateTime(double curTime) throws SVGException
    {
        //Style sheet doesn't change
        return false;
    }

    public StyleSheet getStyleSheet()
    {
        if (styleSheet == null && text.length() > 0)
        {
            styleSheet = StyleSheet.parseSheet(text.toString());
        }
        return styleSheet;
    }
}