nl.tue.gale.ae.processor.CSSLayoutProcessor.java Source code

Introduction

Here is the source code for nl.tue.gale.ae.processor.CSSLayoutProcessor.java

Source

/*
    
   This file is part of GALE (Generic Adaptation Language and Engine).
    
GALE 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 3 of the License, or (at your option) 
any later version.
    
GALE 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 GALE. If not, see <http://www.gnu.org/licenses/>.
    
 */
/**
 * CSSLayoutProcessor.java
 * Last modified: $Date$
 * In revision:   $Revision$
 * Modified by:   $Author$
 *
 * Copyright (c) 2008-2011 Eindhoven University of Technology.
 * All Rights Reserved.
 *
 * This software is proprietary information of the Eindhoven University
 * of Technology. It may be used according to the GNU LGPL license.
 */
package nl.tue.gale.ae.processor;

import java.io.StringReader;
import java.util.List;

import nl.tue.gale.ae.AbstractResourceProcessor;
import nl.tue.gale.ae.GaleContext;
import nl.tue.gale.ae.ProcessorException;
import nl.tue.gale.ae.Resource;
import nl.tue.gale.common.GaleUtil;

import org.dom4j.Element;
import org.dom4j.Node;

import com.google.common.collect.ImmutableList;

public class CSSLayoutProcessor extends AbstractResourceProcessor {
    public void processResource(Resource resource) throws ProcessorException {
        if (resource.isUsed("xml") || resource.isUsed("response"))
            return;

        // skip this processor for objects
        GaleContext gale = GaleContext.of(resource);
        if (gale.isObject())
            return;

        String cssLayout = (String) gale.cfgm().getObject("gale://gale.tue.nl/config/presentation#cssLayout",
                resource);
        if (cssLayout == null)
            return;

        Element xml = gale.xml();
        Element body = xml.element("body");
        if (body == null)
            body = xml;

        Element div = GaleUtil.createHTMLElement("div").addAttribute("id", "gale-content");
        @SuppressWarnings("unchecked")
        List<Node> content = (List<Node>) body.content();
        for (Node n : ImmutableList.copyOf(content)) {
            content.remove(n);
            div.add(n);
        }
        content.add(div);

        Element cssElement = GaleUtil.parseXML(new StringReader(cssLayout)).getRootElement();
        content.add(0, cssElement);
        resource.put("serialize-xhtml-strict", "true");
    }
}