/**
* ===========================================
* 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: BackgroundRepeatReadHandler.java 6653 2008-12-02 14:53:40Z tmorgner $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.input.style.parser.stylehandler.border;
import java.util.ArrayList;
import org.jfree.layouting.input.style.StyleKey;
import org.jfree.layouting.input.style.keys.border.BackgroundRepeat;
import org.jfree.layouting.input.style.parser.CSSValueFactory;
import org.jfree.layouting.input.style.parser.CSSValueReadHandler;
import org.jfree.layouting.input.style.values.CSSConstant;
import org.jfree.layouting.input.style.values.CSSValue;
import org.jfree.layouting.input.style.values.CSSValueList;
import org.jfree.layouting.input.style.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(final StyleKey name, LexicalUnit value)
{
final 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 ("repeat-x".equalsIgnoreCase(horizontalString))
{
horizontal = BackgroundRepeat.REPEAT;
vertical = BackgroundRepeat.NOREPEAT;
}
else if ("repeat-y".equalsIgnoreCase(value.getStringValue()))
{
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 ("repeat".equalsIgnoreCase(value))
{
return BackgroundRepeat.REPEAT;
}
if ("no-repeat".equalsIgnoreCase(value))
{
return BackgroundRepeat.NOREPEAT;
}
if ("space".equalsIgnoreCase(value))
{
return BackgroundRepeat.SPACE;
}
return null;
}
}