/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache 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.apache.org/licenses/LICENSE-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.apache.myfaces.custom.tree.renderkit.html;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.apache.myfaces.custom.tree.HtmlTreeImageCommandLink;
import org.apache.myfaces.custom.tree.HtmlTreeNode;
import org.apache.myfaces.renderkit.html.jsf.ExtendedHtmlLinkRenderer;
import org.apache.myfaces.renderkit.html.util.DummyFormUtils;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HTML;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils;
/**
* @JSFRenderer
* renderKitId = "HTML_BASIC"
* family = "org.apache.myfaces.HtmlTree"
* type = "org.apache.myfaces.HtmlTreeImageCommandLink"
*
* @author <a href="mailto:oliver@rossmueller.com">Oliver Rossmueller</a>
* @version $Revision: 659874 $ $Date: 2008-05-24 20:59:15 +0000 (Sat, 24 May 2008) $
*/
public class HtmlTreeImageCommandLinkRenderer
extends ExtendedHtmlLinkRenderer {
private static final Integer ZERO = new Integer(0);
public void decode(FacesContext facesContext, UIComponent component) {
super.decode(facesContext, component);
String clientId = component.getClientId(facesContext);
String reqValue = (String) facesContext
.getExternalContext()
.getRequestParameterMap().get(HtmlRendererUtils
.getHiddenCommandLinkFieldName(DummyFormUtils.findNestingForm(component, facesContext)));
if (reqValue != null && reqValue.equals(clientId)) {
HtmlTreeNode node = (HtmlTreeNode) component.getParent();
node.toggleExpanded();
}
}
protected void renderCommandLinkStart(FacesContext facesContext,
UIComponent component,
String clientId,
Object value,
String style,
String styleClass) throws IOException {
super.renderCommandLinkStart(facesContext, component, clientId, value, style, styleClass);
String url = ((HtmlTreeImageCommandLink) component).getImage();
if ((url != null) && (url.length() > 0)) {
ResponseWriter writer = facesContext.getResponseWriter();
writer.startElement(HTML.IMG_ELEM, component);
String src = facesContext.getApplication().getViewHandler().getResourceURL(facesContext, url);
//String src;
//if (url.startsWith(HTML.HREF_PATH_SEPARATOR))
//{
// String path = facesContext.getExternalContext().getRequestContextPath();
// src = path + url;
//}
//else
//{
// src = url;
//}
//Encode URL
//Although this is an url url, encodeURL is no nonsense, because the
//actual url url could also be a dynamic servlet request:
//src = facesContext.getExternalContext().encodeResourceURL(src);
writer.writeAttribute(HTML.SRC_ATTR, src, null);
writer.writeAttribute(HTML.BORDER_ATTR, ZERO, null);
HtmlRendererUtils.renderHTMLAttributes(writer, component, HTML.IMG_PASSTHROUGH_ATTRIBUTES);
writer.endElement(HTML.IMG_ELEM);
}
}
}