/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.renderkit.html;
import static org.richfaces.application.configuration.ConfigurationServiceHelper.getBooleanConfigurationValue;
import static org.richfaces.renderkit.RenderKitUtils.addToScriptHash;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Map.Entry;
import javax.faces.application.ResourceDependencies;
import javax.faces.application.ResourceDependency;
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.ajax4jsf.javascript.ScriptUtils;
import org.richfaces.application.CommonComponentsConfiguration;
import org.richfaces.cdk.annotations.JsfRenderer;
import org.richfaces.component.QueueRegistry;
import org.richfaces.renderkit.HtmlConstants;
/**
* @author Nick Belaevski
*
*/
@JsfRenderer(type = QueueResourceComponentRenderer.TYPE, family = UIOutput.COMPONENT_FAMILY)
@ResourceDependencies({
@ResourceDependency(library = "javax.faces", name = "jsf.js"),
@ResourceDependency(library = "org.richfaces", name = "jquery.js"),
@ResourceDependency(library = "org.richfaces", name = "richfaces.js"),
@ResourceDependency(library = "org.richfaces", name = "richfaces-queue.reslib")
})
public class QueueResourceComponentRenderer extends Renderer {
static final String TYPE = "org.richfaces.QueueResourceComponentRenderer";
private static final String FUNCTION_NAME = "RichFaces.queue.setQueueOptions";
private enum QueueOptions {
onbeforedomupdate,
oncomplete,
onerror,
onrequestdequeue,
onrequestqueue,
onsubmit,
requestDelay,
queueId,
ignoreDupResponses,
requestGroupingId
}
private void appendOptions(UIComponent queue, Map<String, Object> optionsHash) {
Map<String, Object> attributes = queue.getAttributes();
for (QueueOptions option : QueueOptions.values()) {
String optionName = option.name();
Object value = attributes.get(optionName);
addToScriptHash(optionsHash, optionName, value);
}
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
super.encodeEnd(context, component);
if (!getBooleanConfigurationValue(context, CommonComponentsConfiguration.Items.queueEnabled)) {
return;
}
QueueRegistry registry = QueueRegistry.getInstance(context);
if (registry != null && registry.hasQueuesToEncode()) {
ResponseWriter writer = context.getResponseWriter();
writer.startElement(HtmlConstants.SCRIPT_ELEM, component);
writer.writeAttribute(HtmlConstants.ID_ATTRIBUTE, component.getClientId(context), null);
writer.writeAttribute(HtmlConstants.TYPE_ATTR, HtmlConstants.JAVASCRIPT_TYPE, null);
writer.writeText(FUNCTION_NAME, null);
writer.writeText("({", null);
Map<String, Object> queueOptionsMap = new LinkedHashMap<String, Object>();
boolean isFirst = true;
Map<String, UIComponent> registeredQueues = registry.getRegisteredQueues();
for (Entry<String, UIComponent> queueEntry : registeredQueues.entrySet()) {
if (!queueEntry.getValue().isRendered()) {
break;
}
if (isFirst) {
isFirst = false;
} else {
writer.writeText(",", null);
}
queueOptionsMap.clear();
String queueName = queueEntry.getKey();
UIComponent queue = queueEntry.getValue();
appendOptions(queue, queueOptionsMap);
ScriptUtils.writeToStream(writer, queueName);
writer.writeText(":", null);
ScriptUtils.writeToStream(writer, queueOptionsMap);
}
writer.writeText("});", null);
writer.endElement(HtmlConstants.SCRIPT_ELEM);
}
}
}