Custom calendar built on FullCalendar JavaScript framework. Easily to customize to work with custom objects. This is an adaptation of Cody Sechelski's Create a Calendar View in Salesforce.com.
The main problem with his implementation was that it wasn't handling more than 2000 records. This was due to a Apex workaround, as it is reserves start and end variables, Cody made a repeat table and parsed that into JavaScript object. My solution creates JSON string in Apex and then uses string function to replace all startString and endString instances. A more sensible solution would involve recreating the object in JavaScript or simply editing the FullCalendar library to look for different variable names.
I have also simplified the code a bit so you can start working towards your personal implementation. As this is using JavaScript remoting, I hope this gives you a framework to work towards more advanced features like editing or optimizing request sizes (executing a request on next month load).
The page
<apex:page showHeader="false" standardStylesheets="false" controller="fullCalendar" >
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js"/>
<script src="//cdnjs.cloudflare.com/ajax/libs/moment.js/2.10.3/moment.min.js"/>
<script src="//cdnjs.cloudflare.com/ajax/libs/fullcalendar/2.3.1/fullcalendar.min.js"/>
<link href="//cdnjs.cloudflare.com/ajax/libs/fullcalendar/2.3.1/fullcalendar.min.css" rel="stylesheet" />
<link href="//cdnjs.cloudflare.com/ajax/libs/fullcalendar/2.3.1/fullcalendar.print.css" rel="stylesheet" media="print" />
<body>
<script type="text/javascript">
function getEventData() { // records are retrieved from soql database
Visualforce.remoting.Manager.invokeAction(
'{!$RemoteAction.fullCalendar.eventdata}', // controller and method names
function(result, event){
if (event.status) {
evt = JSON.parse(result);
$('#calendar').fullCalendar({ // html element and library name
events: evt
})
} else if (event.type === 'exception') {
console.log(event.message);
} else {
console.log(event.message);
}
},
{escape: false}
);
}
$(document).ready(function() {
getEventData();
});
</script>
<div id="calendar"></div>
</body>
</apex:page>The class
public class fullCalendar {
public string eventsJSON {get;set;}
//The calendar plugin is expecting dates is a certain format. We can use this string to get it formated correctly
static String dtFormat = 'EEE, d MMM yyyy HH:mm:ss z';
@RemoteAction
public static string eventdata(){
calEvent[] events = new calEvent[]{};
for(Event evnt: [select Id, Subject, isAllDayEvent, StartDateTime, EndDateTime from Event]){
DateTime startDT = evnt.StartDateTime;
DateTime endDT = evnt.EndDateTime;
calEvent myEvent = new calEvent();
myEvent.title = evnt.Subject;
myEvent.allDay = evnt.isAllDayEvent;
myEvent.startString = startDT.format(dtFormat);
myEvent.endString = endDT.format(dtFormat);
myEvent.url = '/' + evnt.Id;
myEvent.className = 'event-personal';
events.add(myEvent);
}
string jsonEvents = JSON.serialize(events);
jsonEvents = jsonEvents.replace('startString','start');
jsonEvents = jsonEvents.replace('endString','end');
return jsonEvents;
}
// Class to hold calendar event data
public class calEvent {
public String title {get;set;}
public Boolean allDay {get;set;}
public String startString {get;set;}
public String endString {get;set;}
public String url {get;set;}
public String className {get;set;}
}
}Tested to 10'000 records with this execute anonymous
event[] bulklist= new event[]{};
for (integer i = 0; i < 100000; i++)
{
string srnd = string.valueOf(math.random());
blob rnd = Blob.valueOf(srnd);
bulklist.add(new event (
subject=encodingUtil.base64Encode(rnd),
startDateTime=system.now().addDays(-10+ (math.random() * 10 ).intValue()),
isAllDayEvent=true
) );
}
insert bulklist;To do: test with natural distribution graph.