/**
* ===========================================
* 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: CropReadHandler.java 6653 2008-12-02 14:53:40Z tmorgner $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.input.style.parser.stylehandler.box;
import org.jfree.layouting.input.style.StyleKey;
import org.jfree.layouting.input.style.parser.CSSValueFactory;
import org.jfree.layouting.input.style.parser.CSSValueReadHandler;
import org.jfree.layouting.input.style.values.CSSAutoValue;
import org.jfree.layouting.input.style.values.CSSNumericType;
import org.jfree.layouting.input.style.values.CSSNumericValue;
import org.jfree.layouting.input.style.values.CSSRectangleType;
import org.jfree.layouting.input.style.values.CSSRectangleValue;
import org.jfree.layouting.input.style.values.CSSValue;
import org.w3c.css.sac.LexicalUnit;
/**
* Creation-Date: 28.11.2005, 15:36:05
*
* @author Thomas Morgner
*/
public class CropReadHandler implements CSSValueReadHandler
{
public CropReadHandler()
{
}
public CSSValue createValue(final StyleKey name, final LexicalUnit value)
{
if (value.getLexicalUnitType() == LexicalUnit.SAC_IDENT)
{
final String stringValue = value.getStringValue();
if ("auto".equalsIgnoreCase(stringValue) ||
"none".equalsIgnoreCase(stringValue))
{
return CSSAutoValue.getInstance();
}
}
else if (value.getLexicalUnitType() == LexicalUnit.SAC_FUNCTION)
{
if ("inset-rect".equalsIgnoreCase(value.getFunctionName()))
{
return getRectangle(CSSRectangleType.INSET_RECT, value.getParameters());
}
return null;
}
else if (value.getLexicalUnitType() == LexicalUnit.SAC_RECT_FUNCTION)
{
return getRectangle(CSSRectangleType.RECT, value.getParameters());
}
return null;
}
private static CSSRectangleValue getRectangle
(final CSSRectangleType type, LexicalUnit value)
{
final CSSNumericValue[] list = new CSSNumericValue[4];
for (int index = 0; index < 4; index++)
{
if (value == null)
{
return null;
}
final CSSNumericValue nval = CSSValueFactory.createLengthValue(value);
if (nval != null)
{
list[index] = nval;
}
else if (value.getLexicalUnitType() == LexicalUnit.SAC_PERCENTAGE)
{
list[index] = CSSNumericValue.createValue(CSSNumericType.PERCENTAGE, value.getFloatValue());
}
else
{
return null;
}
value = CSSValueFactory.parseComma(value);
}
return new CSSRectangleValue (type, list[0], list[1], list[2], list[3]);
}
}