/*!
* 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.HashMap;
import java.util.Map;
import org.pentaho.reporting.libraries.css.keys.border.BorderStyleKeys;
import org.pentaho.reporting.libraries.css.model.StyleKey;
import org.pentaho.reporting.libraries.css.parser.CSSCompoundValueReadHandler;
import org.pentaho.reporting.libraries.css.parser.CSSValueFactory;
import org.pentaho.reporting.libraries.css.parser.CSSValueReadHandler;
import org.pentaho.reporting.libraries.css.values.CSSNumericValue;
import org.pentaho.reporting.libraries.css.values.CSSValue;
import org.pentaho.reporting.libraries.css.values.CSSValuePair;
import org.w3c.css.sac.LexicalUnit;
/**
* This looks a bit funny, as if the standard has not been completed.
* THe compound property may change ...
*
* @author Thomas Morgner
*/
public class BorderRadiusReadHandler implements CSSValueReadHandler, CSSCompoundValueReadHandler
{
public BorderRadiusReadHandler()
{
}
public CSSValue createValue(StyleKey name, LexicalUnit value)
{
CSSNumericValue firstValue = CSSValueFactory.createLengthValue(value);
if (firstValue == null)
{
return null;
}
value = value.getNextLexicalUnit();
CSSNumericValue secondValue;
if (value == null)
{
secondValue = firstValue;
}
else
{
secondValue = CSSValueFactory.createLengthValue(value);
if (secondValue == null)
{
return null;
}
}
return new CSSValuePair(firstValue, secondValue);
}
/**
* Parses the LexicalUnit and returns a map of (StyleKey, CSSValue) pairs.
*
* @param unit
* @return
*/
public Map createValues(LexicalUnit unit)
{
final CSSValue value = createValue(null, unit);
if (value == null)
{
return null;
}
final Map map = new HashMap();
map.put(BorderStyleKeys.BORDER_TOP_RIGHT_RADIUS, value);
map.put(BorderStyleKeys.BORDER_BOTTOM_RIGHT_RADIUS, value);
map.put(BorderStyleKeys.BORDER_BOTTOM_LEFT_RADIUS, value);
map.put(BorderStyleKeys.BORDER_TOP_LEFT_RADIUS, value);
return map;
}
public StyleKey[] getAffectedKeys()
{
return new StyleKey[]{
BorderStyleKeys.BORDER_TOP_RIGHT_RADIUS,
BorderStyleKeys.BORDER_BOTTOM_RIGHT_RADIUS,
BorderStyleKeys.BORDER_BOTTOM_LEFT_RADIUS,
BorderStyleKeys.BORDER_TOP_LEFT_RADIUS
};
}
}