/*
* Copyright 2009-2014 PrimeTek.
*
* Licensed 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.primefaces.component.poll;
import java.io.IOException;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.event.ActionEvent;
import javax.faces.event.PhaseId;
import org.primefaces.context.RequestContext;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.AjaxRequestBuilder;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.WidgetBuilder;
public class PollRenderer extends CoreRenderer {
@Override
public void decode(FacesContext context, UIComponent component) {
Poll poll = (Poll) component;
if(context.getExternalContext().getRequestParameterMap().containsKey(poll.getClientId(context))) {
ActionEvent event = new ActionEvent(poll);
if(poll.isImmediate())
event.setPhaseId(PhaseId.APPLY_REQUEST_VALUES);
else
event.setPhaseId(PhaseId.INVOKE_APPLICATION);
poll.queueEvent(event);
}
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
Poll poll = (Poll) component;
String clientId = poll.getClientId(context);
UIComponent form = ComponentUtils.findParentForm(context, poll);
if(form == null) {
throw new FacesException("Poll:" + clientId + " needs to be enclosed in a form component");
}
AjaxRequestBuilder builder = RequestContext.getCurrentInstance().getAjaxRequestBuilder();
String request = builder.init()
.source(clientId)
.form(form.getClientId(context))
.process(component, poll.getProcess())
.update(component, poll.getUpdate())
.async(poll.isAsync())
.global(poll.isGlobal())
.delay(poll.getDelay())
.timeout(poll.getTimeout())
.partialSubmit(poll.isPartialSubmit(), poll.isPartialSubmitSet(), poll.getPartialSubmitFilter())
.resetValues(poll.isResetValues(), poll.isResetValuesSet())
.ignoreAutoUpdate(poll.isIgnoreAutoUpdate())
.onstart(poll.getOnstart())
.onerror(poll.getOnerror())
.onsuccess(poll.getOnsuccess())
.oncomplete(poll.getOncomplete())
.params(poll)
.build();
WidgetBuilder wb = getWidgetBuilder(context);
wb.initWithDomReady("Poll", poll.resolveWidgetVar(), clientId)
.attr("frequency", poll.getInterval())
.attr("autoStart", poll.isAutoStart())
.callback("fn", "function()", request);
wb.finish();
}
}