/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/help/trunk/help-tool/src/java/org/sakaiproject/jsf/help/TocTreeRender.java $
* $Id: TocTreeRender.java 105079 2012-02-24 23:08:11Z ottenhoff@longsight.com $
***********************************************************************************
*
* Copyright (c) 2003, 2004, 2005, 2006, 2008 The Sakai Foundation
*
* Licensed under the Educational Community License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.opensource.org/licenses/ECL-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************************/
package org.sakaiproject.jsf.help;
import java.io.IOException;
import java.util.Iterator;
import java.util.Set;
import javax.faces.component.UIComponent;
import javax.faces.component.UIData;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.render.Renderer;
import org.sakaiproject.api.app.help.Category;
import org.sakaiproject.api.app.help.Resource;
/**
* toc tree renderer
* @version $Id: TocTreeRender.java 105079 2012-02-24 23:08:11Z ottenhoff@longsight.com $
*/
public class TocTreeRender extends Renderer
{
/**
* @see javax.faces.render.Renderer#encodeBegin(javax.faces.context.FacesContext, javax.faces.component.UIComponent)
*/
public void encodeBegin(FacesContext context, UIComponent component)
throws IOException
{
String jsLibraryUrl = "../js";
ResponseWriter writer = context.getResponseWriter();
writer.write("<script type=\"text/javascript\">var _editor_url = \""
+ jsLibraryUrl + "/\";</script>\n");
writer.write("<script type=\"text/javascript\" src=\"" + jsLibraryUrl
+ "/divTree.js\"></script>\n");
writer
.write("<link href=\"../css/divTree.css\" type=\"text/css\" rel=\"stylesheet\">");
UIData data = (UIData) component;
Object value = data.getValue();
Set categories = (Set) value;
encodeRecursive(writer, categories);
}
/**
* encode recursively
* @param writer
* @param categories
* @throws IOException
*/
private void encodeRecursive(ResponseWriter writer, Set categories)
throws IOException
{
for (Iterator i = categories.iterator(); i.hasNext();)
{
Category category = (Category) i.next();
writer.write("<a class=\"trigger\" href=\"javascript:showBranch('"
+ category.getName() + "');\">");
writer
.write("<img border=\"0\" alt=\"expand/collapse\" src=\"../image/toc_closed.gif\"");
writer.write(" id=\"I" + category.getName() + "\">");
writer.write(category.getName() + "</a>");
writer.write("<div class=\"branch\" id=\"" + category.getName() + "\">");
Set resources = category.getResources();
Set subCategories = category.getCategories();
encodeRecursive(writer, subCategories);
if (resources != null)
{
for (Iterator j = categories.iterator(); j.hasNext();)
{
Resource resource = (Resource) j.next();
writer.write("<div>");
writer.write("<img src=\"../image/topic.gif\">");
writer.write("<a href=\"content.hlp?docId=" + resource.getDocId()
+ "\" target = \"content\">" + resource.getName() + "</a></div>");
}
}
writer.write("</div>");
}
}
}