ProgressBarTemplate.java

import javax.faces.component.UIComponent;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import org.primefaces.util.Constants;
import javax.faces.event.AjaxBehaviorEvent;
import javax.faces.event.FacesEvent;
import java.util.Iterator;
import java.util.Map;
import java.util.HashMap;
import javax.faces.event.PhaseId;

    public final static String CONTAINER_CLASS = "ui-progressbar ui-widget ui-widget-content ui-corner-all";
    public final static String VALUE_CLASS = "ui-progressbar-value ui-widget-header ui-corner-all";
    public final static String LABEL_CLASS = "ui-progressbar-label";

    private static final Collection<String> EVENT_NAMES = Collections.unmodifiableCollection(Arrays.asList("complete"));

    @Override
    public Collection<String> getEventNames() {
        return EVENT_NAMES;
    }

    @Override
    public void queueEvent(FacesEvent event) {
        FacesContext context = getFacesContext();
        
        if(isRequestSource(context)) {
            AjaxBehaviorEvent behaviorEvent = (AjaxBehaviorEvent) event;
            
            behaviorEvent.setPhaseId(PhaseId.APPLY_REQUEST_VALUES);

            super.queueEvent(behaviorEvent);
        }
        else {
            super.queueEvent(event);
        }
    }

    private boolean isRequestSource(FacesContext context) {
        return this.getClientId(context).equals(context.getExternalContext().getRequestParameterMap().get(Constants.RequestParams.PARTIAL_SOURCE_PARAM));
    }