/*
* 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) 2006 - 2013 Pentaho Corporation and Contributors. All rights reserved.
*/
package org.pentaho.reporting.libraries.css.resolver.values.computed.content;
import java.util.ArrayList;
import org.pentaho.reporting.libraries.css.dom.DocumentContext;
import org.pentaho.reporting.libraries.css.dom.LayoutElement;
import org.pentaho.reporting.libraries.css.dom.LayoutStyle;
import org.pentaho.reporting.libraries.css.keys.internal.InternalStyleKeys;
import org.pentaho.reporting.libraries.css.model.StyleKey;
import org.pentaho.reporting.libraries.css.resolver.values.ContentSpecification;
import org.pentaho.reporting.libraries.css.resolver.values.QuotesPair;
import org.pentaho.reporting.libraries.css.resolver.values.computed.ConstantsResolveHandler;
import org.pentaho.reporting.libraries.css.values.CSSStringValue;
import org.pentaho.reporting.libraries.css.values.CSSValue;
import org.pentaho.reporting.libraries.css.values.CSSValueList;
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 DocumentContext process,
final LayoutElement currentNode,
final StyleKey key)
{
final LayoutStyle layoutContext = currentNode.getLayoutStyle();
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()]);
final ContentSpecification contentSpecification =
(ContentSpecification) layoutContext.getValue(InternalStyleKeys.INTERNAL_CONTENT);
contentSpecification.setQuotes(quotesArray);
}
}