/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/osp/trunk/jsf/widgets/src/java/org/theospi/jsf/renderer/TabRenderer.java $
* $Id: TabRenderer.java 105079 2012-02-24 23:08:11Z ottenhoff@longsight.com $
***********************************************************************************
*
* Copyright (c) 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.theospi.jsf.renderer;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.component.UIOutput;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.render.Renderer;
import org.sakaiproject.jsf.util.RendererUtil;
import org.theospi.jsf.component.TabComponent;
import org.theospi.jsf.util.OspxTagHelper;
/**
* This creates a split content area. It divides a space in two.
* This creates a table of size width x height. It the uses
* the divider position to give the first cell a height or width
* based on if the direction is vertical or horizontal, respectively.
* <br><br>
* This class depends on the splitdivider tag to create the actual divide
* The second class makes the second cell.
*
* @author andersjb
*
*/
public class TabRenderer extends Renderer
{
public boolean supportsComponentType(UIComponent component)
{
return (component instanceof UIOutput);
}
/**
* This renders html for the beginning of the tag.
*
* @param context
* @param component
* @throws IOException
*/
public void encodeBegin(FacesContext context, UIComponent component) throws IOException
{
ResponseWriter writer = context.getResponseWriter();
String title = (String) RendererUtil.getAttribute(context, component, "title");
String directionStr = (String) RendererUtil.getAttribute(context, component.getParent(), "direction");
String selected = (String) RendererUtil.getAttribute(context, component, "selected");
String cssclass = (String) RendererUtil.getAttribute(context, component, "cssclass");
TabComponent tab = (TabComponent) component;
boolean isSelected = false;
if (selected.equalsIgnoreCase("true")) {
tab.setSelected("true");
isSelected = true;
}
if(cssclass == null)
cssclass = "";
//checks for vertical, its abbr., and the y axis
if(OspxTagHelper.isVertical(directionStr))
writer.write("<div style=\"padding:2px;\">");
writer.write("<input type=\"submit\" class=\"osp_tab" + (isSelected ? "_selected":"") + " " +
cssclass +
"\" value=\"" +
title +
"\" " + (isSelected ? "disabled=\"disabled\"":"") + " />");
//checks for vertical, its abbr., and the y axis
if(OspxTagHelper.isVertical(directionStr))
writer.write("</div>");
}
/**
* @param context FacesContext for the request we are processing
* @param component UIComponent to be rendered
* @exception IOException if an input/output error occurs while rendering
* @exception NullPointerException if <code>context</code> or <code>component</code> is null
*/
public void encodeEnd(FacesContext context, UIComponent component) throws IOException
{
}
public void encodeChildren(FacesContext context, UIComponent component) throws IOException
{
//Do nothing
}
public boolean getRendersChildren() {
//Set to false so the content can be rendered in the correct place by the TabArea
return true;
}
}