/*!
* 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.border;
import java.util.ArrayList;
import org.pentaho.reporting.libraries.css.keys.border.BackgroundRepeat;
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.CSSConstant;
import org.pentaho.reporting.libraries.css.values.CSSValue;
import org.pentaho.reporting.libraries.css.values.CSSValueList;
import org.pentaho.reporting.libraries.css.values.CSSValuePair;
import org.w3c.css.sac.LexicalUnit;
/**
* Creation-Date: 27.11.2005, 18:36:29
*
* @author Thomas Morgner
*/
public class BackgroundRepeatReadHandler implements CSSValueReadHandler
{
public BackgroundRepeatReadHandler()
{
}
public CSSValue createValue(StyleKey name, LexicalUnit value)
{
ArrayList values = new ArrayList();
while (value != null)
{
if (value.getLexicalUnitType() != LexicalUnit.SAC_IDENT)
{
return null;
}
final CSSConstant horizontal;
final CSSConstant vertical;
final String horizontalString = value.getStringValue();
if (horizontalString.equalsIgnoreCase("repeat-x"))
{
horizontal = BackgroundRepeat.REPEAT;
vertical = BackgroundRepeat.NOREPEAT;
}
else if (value.getStringValue().equalsIgnoreCase("repeat-y"))
{
horizontal = BackgroundRepeat.NOREPEAT;
vertical = BackgroundRepeat.REPEAT;
}
else
{
horizontal = translateRepeat(horizontalString);
if (horizontal == null)
{
return null;
}
value = value.getNextLexicalUnit();
if (value == null)
{
vertical = horizontal;
}
else if (value.getLexicalUnitType() != LexicalUnit.SAC_IDENT)
{
return null;
}
else
{
vertical = translateRepeat(value.getStringValue());
if (vertical == null)
{
return null;
}
}
}
values.add(new CSSValuePair(horizontal, vertical));
value = CSSValueFactory.parseComma(value);
}
return new CSSValueList(values);
}
private CSSConstant translateRepeat(final String value)
{
if (value.equalsIgnoreCase("repeat"))
{
return BackgroundRepeat.REPEAT;
}
if (value.equalsIgnoreCase("no-repeat"))
{
return BackgroundRepeat.NOREPEAT;
}
if (value.equalsIgnoreCase("space"))
{
return BackgroundRepeat.SPACE;
}
return null;
}
}