/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.libraries.css.parser.stylehandler.box;
import org.pentaho.reporting.libraries.css.model.StyleKey;
import org.pentaho.reporting.libraries.css.parser.CSSValueFactory;
import org.pentaho.reporting.libraries.css.parser.CSSValueReadHandler;
import org.pentaho.reporting.libraries.css.values.CSSAutoValue;
import org.pentaho.reporting.libraries.css.values.CSSNumericType;
import org.pentaho.reporting.libraries.css.values.CSSNumericValue;
import org.pentaho.reporting.libraries.css.values.CSSRectangleType;
import org.pentaho.reporting.libraries.css.values.CSSRectangleValue;
import org.pentaho.reporting.libraries.css.values.CSSValue;
import org.w3c.css.sac.LexicalUnit;
/**
* Creation-Date: 28.11.2005, 15:36:05
*
* @author Thomas Morgner
*/
public class OverflowClipReadHandler implements CSSValueReadHandler
{
public OverflowClipReadHandler()
{
}
public CSSValue createValue(StyleKey name, LexicalUnit value)
{
if (value.getLexicalUnitType() == LexicalUnit.SAC_IDENT)
{
final String stringValue = value.getStringValue();
if (stringValue.equalsIgnoreCase("auto"))
{
return CSSAutoValue.getInstance();
}
}
else if (value.getLexicalUnitType() == LexicalUnit.SAC_FUNCTION)
{
if (value.getFunctionName().equalsIgnoreCase("inset-rect"))
{
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
(CSSRectangleType type, LexicalUnit value)
{
final CSSNumericValue[] list = new CSSNumericValue[4];
for (int index = 0; index < 4; index++)
{
if (value == null)
{
return null;
}
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]);
}
}