/*!
* 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.text;
import java.util.HashMap;
import java.util.Map;
import org.pentaho.reporting.libraries.css.keys.text.TextStyleKeys;
import org.pentaho.reporting.libraries.css.keys.text.TextWrap;
import org.pentaho.reporting.libraries.css.keys.text.WhitespaceCollapse;
import org.pentaho.reporting.libraries.css.model.StyleKey;
import org.pentaho.reporting.libraries.css.parser.CSSCompoundValueReadHandler;
import org.pentaho.reporting.libraries.css.values.CSSInheritValue;
import org.pentaho.reporting.libraries.css.values.CSSValue;
import org.w3c.css.sac.LexicalUnit;
/**
* Creation-Date: 01.12.2005, 22:18:58
*
* @author Thomas Morgner
*/
public class WhitespaceReadHandler implements CSSCompoundValueReadHandler
{
public WhitespaceReadHandler()
{
}
/**
* Parses the LexicalUnit and returns a map of (StyleKey, CSSValue) pairs.
*
* @param unit
* @return
*/
public Map createValues(LexicalUnit unit)
{
// http://cheeaun.phoenity.com/weblog/2005/06/whitespace-and-generated-content.html
// is a good overview about the whitespace stuff ..
CSSValue whitespace;
CSSValue textWrap;
if (unit.getLexicalUnitType() == LexicalUnit.SAC_INHERIT)
{
whitespace = CSSInheritValue.getInstance();
textWrap = CSSInheritValue.getInstance();
}
else if (unit.getLexicalUnitType() == LexicalUnit.SAC_IDENT)
{
String strVal = unit.getStringValue();
if (strVal.equalsIgnoreCase("normal"))
{
whitespace = WhitespaceCollapse.COLLAPSE;
textWrap = TextWrap.NORMAL;
}
else if (strVal.equalsIgnoreCase("pre"))
{
whitespace = WhitespaceCollapse.PRESERVE;
textWrap = TextWrap.SUPPRESS;
}
else if (strVal.equalsIgnoreCase("pre-line"))
{
whitespace = WhitespaceCollapse.PRESERVE_BREAKS;
textWrap = TextWrap.NORMAL;
}
else if (strVal.equalsIgnoreCase("pre-wrap"))
{
whitespace = WhitespaceCollapse.PRESERVE;
textWrap = TextWrap.NORMAL;
}
else
{
return null;
}
}
else
{
return null;
}
Map map = new HashMap();
map.put(TextStyleKeys.WHITE_SPACE_COLLAPSE, whitespace);
map.put(TextStyleKeys.TEXT_WRAP, textWrap);
return map;
}
public StyleKey[] getAffectedKeys()
{
return new StyleKey[]{
TextStyleKeys.WHITE_SPACE_COLLAPSE,
TextStyleKeys.TEXT_WRAP
};
}
}