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com.hfg xml, html, svg, and bioinformatics utility library
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package com.hfg.svg;


import com.hfg.util.collection.CollectionUtil;
import com.hfg.xml.XMLAttribute;
import com.hfg.xml.XMLTag;

import java.awt.*;

//------------------------------------------------------------------------------
/**
 * Object representation of an SVG (Scalable Vector Graphics) 'defs' tag.
  
   See http://www.w3.org/TR/SVG11/struct.html#Head
  
  
   @author J. Alex Taylor, hairyfatguy.com
  
 */
//------------------------------------------------------------------------------
// com.hfg XML/HTML Coding Library
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// J. Alex Taylor, President, Founder, CEO, COO, CFO, OOPS hairyfatguy.com
// [email protected]
//------------------------------------------------------------------------------

public class SvgDefs extends AbstractSvgNode implements SvgNode
{

   //##########################################################################
   // CONSTRUCTORS
   //##########################################################################

   //---------------------------------------------------------------------------
   public SvgDefs()
   {
      super(SVG.defs);
   }

   //---------------------------------------------------------------------------
   public SvgDefs(XMLTag inXMLTag)
   {
      this();

      inXMLTag.verifyTagName(getTagName());

      if (CollectionUtil.hasValues(inXMLTag.getAttributes()))
      {
         for (XMLAttribute attr : inXMLTag.getAttributes())
         {
            setAttribute(attr.clone());
         }
      }

      java.util.List subtags = inXMLTag.getSubtags();
      if (CollectionUtil.hasValues(subtags))
      {
         for (XMLTag subtag : subtags)
         {
            addSubtag(SVG.constructFromXMLTag(subtag));
         }
      }
   }

   //##########################################################################
   // PUBLIC METHODS
   //##########################################################################

   //--------------------------------------------------------------------------
   @Override
   public void draw(Graphics2D g2)
   {
      // Do nothing. Definitions are only rendered where they are referenced.
   }

   //---------------------------------------------------------------------------
   public SvgFilter addFilter()
   {
      SvgFilter newFilter = new SvgFilter();
      addSubtag(newFilter);
      return newFilter;
   }

   //---------------------------------------------------------------------------
   public SvgGroup addGroup()
   {
      SvgGroup newGroup = new SvgGroup();
      addSubtag(newGroup);
      return newGroup;
   }

   //---------------------------------------------------------------------------
   public SvgLink addLink(CharSequence inURL)
   {
      SvgLink newLink = new SvgLink(inURL);
      addSubtag(newLink);
      return newLink;
   }

   //---------------------------------------------------------------------------
   public SvgLine addLine(Point inStart, Point inEnd)
   {
      SvgLine line = new SvgLine(inStart, inEnd);
      addSubtag(line);
      return line;
   }

   //---------------------------------------------------------------------------
   public SvgRect addRect(Rectangle inRect)
   {
      SvgRect rect = new SvgRect(inRect);
      addSubtag(rect);
      return rect;
   }

   //---------------------------------------------------------------------------
   public SvgSymbol addSymbol()
   {
      SvgSymbol symbol = new SvgSymbol();
      addSubtag(symbol);
      return symbol;
   }

   //---------------------------------------------------------------------------
   public SvgText addText(String inText, Font inFont, Point inLocation)
   {
      SvgText text = new SvgText(inText, inFont, inLocation);
      addSubtag(text);
      return text;
   }

   //---------------------------------------------------------------------------
   public Point getMaxXY()
   {
      return new Point(0, 0);
   }

}