jsf 2 - How to cancel a resize o drag event on Primefaces Schedule -


i have primefaces schedule component:

<h:form>     <p:growl id="messages" showdetail="true" />     <h:panelgrid columnclasses="value">         <h3>lazy schedule</h3>         <p:schedule value="#{visorbean.eventmodel}" timeformat="h:mm"             draggable="true" firsthour="8" mintime="8:00" maxtime="22:00"             resizable="true" axisformat="h:mm" view="agendaweek">             <p:ajax event="eventmove" listener="#{viwerbean.oneventmove}"                 update="messages" />             <p:ajax event="eventresize" listener="#{viwerbean.oneventresize}"                 update="messages" />         </p:schedule>     </h:panelgrid> </h:form>

and backing bean:

public void oneventmove(scheduleentryresizeevent event) {     string msg;     if(iseventvalid(event)) {         msg = "ok!";     } else {         msg = "ops!";         revertfunction(); // undo change     }     facesmessage message = new facesmessage(facesmessage.severity_info, "event resized", msg);     addmessage(message); }

how can undo changes when event not allowed (for instance, event must start after 8.00 am)?


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