/**
* ===========================================
* LibLayout : a free Java layouting library
* ===========================================
*
* Project Info: http://reporting.pentaho.org/liblayout/
*
* (C) Copyright 2006-2007, by Pentaho Corporation and Contributors.
*
* 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: SizeReadHandler.java 6653 2008-12-02 14:53:40Z tmorgner $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.input.style.parser.stylehandler.page;
import java.awt.print.PageFormat;
import org.jfree.layouting.input.style.StyleKey;
import org.jfree.layouting.input.style.keys.page.PageSize;
import org.jfree.layouting.input.style.keys.page.PageSizeFactory;
import org.jfree.layouting.input.style.parser.CSSValueReadHandler;
import org.jfree.layouting.input.style.parser.stylehandler.AbstractWidthReadHandler;
import org.jfree.layouting.input.style.values.CSSAutoValue;
import org.jfree.layouting.input.style.values.CSSNumericValue;
import org.jfree.layouting.input.style.values.CSSValue;
import org.jfree.layouting.input.style.values.CSSValuePair;
import org.w3c.css.sac.LexicalUnit;
/**
* Creation-Date: 30.11.2005, 18:04:27
*
* @author Thomas Morgner
*/
public class SizeReadHandler extends AbstractWidthReadHandler
{
public SizeReadHandler()
{
super(true, false);
}
public CSSValue createValue(final StyleKey name, LexicalUnit value)
{
if (value.getLexicalUnitType() == LexicalUnit.SAC_IDENT)
{
final String ident = value.getStringValue();
if ("auto".equalsIgnoreCase(ident))
{
return CSSAutoValue.getInstance();
}
final PageSize ps = PageSizeFactory.getInstance().getPageSizeByName(ident);
if (ps == null)
{
return null;
}
value = value.getNextLexicalUnit();
int pageOrientation = PageFormat.PORTRAIT;
if (value != null)
{
if (value.getLexicalUnitType() != LexicalUnit.SAC_IDENT)
{
return null;
}
if ("landscape".equalsIgnoreCase(value.getStringValue()))
{
pageOrientation = PageFormat.LANDSCAPE;
}
else if ("reverse-landscape".equalsIgnoreCase(value.getStringValue()))
{
pageOrientation = PageFormat.REVERSE_LANDSCAPE;
}
else if ("portrait".equalsIgnoreCase(value.getStringValue()))
{
pageOrientation = PageFormat.PORTRAIT;
}
else
{
return null;
}
}
if (pageOrientation == PageFormat.LANDSCAPE ||
pageOrientation == PageFormat.REVERSE_LANDSCAPE)
{
return new CSSValuePair(CSSNumericValue.createPtValue(ps.getHeight()),
CSSNumericValue.createPtValue(ps.getWidth()));
}
else
{
return new CSSValuePair(CSSNumericValue.createPtValue(ps.getWidth()),
CSSNumericValue.createPtValue(ps.getHeight()));
}
}
else
{
final CSSNumericValue horizontalWidth = (CSSNumericValue) parseWidth(value);
if (horizontalWidth == null)
{
return null;
}
value = value.getNextLexicalUnit();
final CSSNumericValue verticalWidth;
if (value == null)
{
verticalWidth = horizontalWidth;
}
else
{
verticalWidth = (CSSNumericValue) parseWidth(value);
if (verticalWidth == null)
{
return null;
}
}
return new CSSValuePair (horizontalWidth, verticalWidth);
}
}
}