/**
* ===========================================
* 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: PendingFunction.java,v 1.4 2007/04/02 11:41:13 taqua Exp $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.layouter.style.functions.content;
import org.jfree.layouting.LayoutProcess;
import org.jfree.layouting.input.style.values.CSSFunctionValue;
import org.jfree.layouting.input.style.values.CSSValue;
import org.jfree.layouting.layouter.content.ContentToken;
import org.jfree.layouting.layouter.content.computed.PendingToken;
import org.jfree.layouting.layouter.model.LayoutElement;
import org.jfree.layouting.layouter.style.functions.FunctionEvaluationException;
import org.jfree.layouting.layouter.style.functions.FunctionUtilities;
/**
* Creation-Date: 23.10.2006, 17:50:27
*
* @author Thomas Morgner
*/
public class PendingFunction implements ContentFunction
{
public PendingFunction()
{
}
public ContentToken evaluate(final LayoutProcess layoutProcess,
final LayoutElement element,
final CSSFunctionValue function)
throws FunctionEvaluationException
{
final CSSValue[] parameters = function.getParameters();
if (parameters.length == 0)
{
throw new FunctionEvaluationException
("One parameter must be given to the 'pending' function.");
}
final String name = FunctionUtilities.resolveString
(layoutProcess, element, parameters[0]);
return new PendingToken(name);
}
}