org.primefaces.component.timeline.TimelineListener Maven / Gradle / Ivy
/*
* The MIT License
*
* Copyright (c) 2009-2023 PrimeTek Informatics
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.component.timeline;
import javax.faces.context.FacesContext;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.PhaseListener;
import javax.faces.event.SystemEvent;
import javax.faces.event.SystemEventListener;
public class TimelineListener implements SystemEventListener {
@Override
public void processEvent(SystemEvent cse) throws AbortProcessingException {
FacesContext context = FacesContext.getCurrentInstance();
Timeline timeline = (Timeline) cse.getSource();
String widgetVar = timeline.resolveWidgetVar(context);
boolean alreadyRegistred = false;
for (PhaseListener listener : context.getViewRoot().getPhaseListeners()) {
if (listener instanceof DefaultTimelineUpdater
&& ((DefaultTimelineUpdater) listener).getWidgetVar().equals(widgetVar)) {
alreadyRegistred = true;
}
}
if (!alreadyRegistred) {
DefaultTimelineUpdater timelineUpdater = new DefaultTimelineUpdater();
timelineUpdater.setWidgetVar(widgetVar);
context.getViewRoot().addPhaseListener(timelineUpdater);
}
}
@Override
public boolean isListenerForSource(Object o) {
return true;
}
}