/**
* ===========================================
* 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: QuotesResolveHandler.java,v 1.8 2007/04/02 11:41:14 taqua Exp $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.layouter.style.resolver.computed.content;
import java.util.ArrayList;
import org.jfree.layouting.LayoutProcess;
import org.jfree.layouting.input.style.StyleKey;
import org.jfree.layouting.input.style.values.CSSStringValue;
import org.jfree.layouting.input.style.values.CSSValue;
import org.jfree.layouting.input.style.values.CSSValueList;
import org.jfree.layouting.layouter.context.LayoutContext;
import org.jfree.layouting.layouter.context.QuotesPair;
import org.jfree.layouting.layouter.model.LayoutElement;
import org.jfree.layouting.layouter.style.resolver.computed.ConstantsResolveHandler;
public class QuotesResolveHandler extends ConstantsResolveHandler
{
public QuotesResolveHandler ()
{
}
/**
* This indirectly defines the resolve order. The higher the order, the more dependent
* is the resolver on other resolvers to be complete.
*
* @return the array of required style keys.
*/
public StyleKey[] getRequiredStyles ()
{
return new StyleKey[0];
}
/**
* Resolves a single property.
*
* @param currentNode
* @param style
*/
public void resolve (final LayoutProcess process,
LayoutElement currentNode,
StyleKey key)
{
final LayoutContext layoutContext = currentNode.getLayoutContext();
final CSSValue rawValue = layoutContext.getValue(key);
if (rawValue instanceof CSSValueList == false)
{
return;
}
final ArrayList quotes = new ArrayList();
final CSSValueList list = (CSSValueList) rawValue;
final int length = (list.getLength() % 2);
for (int i = 0; i < length; i++)
{
final CSSValue openValue = list.getItem(i * 2);
final CSSValue closeValue = list.getItem(i * 2 + 1);
if (openValue instanceof CSSStringValue == false)
{
continue;
}
if (closeValue instanceof CSSStringValue == false)
{
continue;
}
final CSSStringValue openQuote = (CSSStringValue) openValue;
final CSSStringValue closeQuote = (CSSStringValue) closeValue;
quotes.add(new QuotesPair(openQuote.getValue(), closeQuote.getValue()));
}
if (quotes.isEmpty())
{
return;
}
final QuotesPair[] quotesArray =
(QuotesPair[]) quotes.toArray(new QuotesPair[quotes.size()]);
layoutContext.getContentSpecification().setQuotes(quotesArray);
}
}