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/**
* ===========================================
* 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: CSSDescendantSelector.java 3524 2007-10-16 11:26:31Z tmorgner $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.input.style.selectors;
import java.io.Serializable;
import org.w3c.css.sac.DescendantSelector;
import org.w3c.css.sac.Selector;
import org.w3c.css.sac.SimpleSelector;
/**
* Creation-Date: 30.11.2005, 15:38:58
*
* @author Thomas Morgner
*/
public class CSSDescendantSelector extends AbstractSelector implements DescendantSelector
{
private Selector anchestorSelector;
private SimpleSelector simpleSelector;
private boolean childRelation;
public CSSDescendantSelector(final SimpleSelector simpleSelector,
final Selector anchestorSelector,
final boolean childRelation)
{
this.simpleSelector = simpleSelector;
this.anchestorSelector = anchestorSelector;
this.childRelation = childRelation;
}
/** Returns the parent selector. */
public Selector getAncestorSelector()
{
return anchestorSelector;
}
protected SelectorWeight createWeight()
{
if (anchestorSelector instanceof CSSSelector == false ||
simpleSelector instanceof CSSSelector == false)
{
throw new ClassCastException("Invalid selector implementation!");
}
final CSSSelector anchestor = (CSSSelector) anchestorSelector;
final CSSSelector simple = (CSSSelector) simpleSelector;
return new SelectorWeight(anchestor.getWeight(), simple.getWeight());
}
/*
* Returns the simple selector.
*/
public SimpleSelector getSimpleSelector()
{
return simpleSelector;
}
/** An integer indicating the type of <code>Selector</code> */
public short getSelectorType()
{
if (childRelation)
{
return Selector.SAC_CHILD_SELECTOR;
}
else
{
return Selector.SAC_DESCENDANT_SELECTOR;
}
}
}
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