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Is there a way to prevent overlapping events in jQuery FullCalendar?


Is there a way to prevent overlapping events in jQuery FullCalendar?

By : damirchilo
Date : October 18 2020, 11:12 AM
I wish this helpful for you I made a function that checks whether the given event is overlapping other or not. Returns true if the event is overlapping other and false otherwise.
code :


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Fullcalendar - Disable overlapping events

Fullcalendar - Disable overlapping events


By : user3429458
Date : March 29 2020, 07:55 AM
wish of those help I have a calendar that displays appointments for particular person. How do I set fullcalendar up so that events on the calendar can not overlap each other?
code :
var events = $('#calendar').fullCalendar('clientEvents');

// start-time in between any of the events
if(eventStartDay > events[i].start && eventStartDay < events[i].end){
    return true;
}
//end-time in between any of the events
if(eventEndDay > events[i].start && eventEndDay < events[i].end){
    return true;
}
//any of the events in between/on the start-time and end-time
if(eventStartDay <= events[i].start && eventEndDay >= events[i].end){
    return true;
}
Prevent the creation of events with conflicting times with FullCalendar

Prevent the creation of events with conflicting times with FullCalendar


By : user2058585
Date : March 29 2020, 07:55 AM
I wish did fix the issue. I'm trying to disable dayclick from functioning when there is already an event at the time. Is this possible? I've seen functions that stop people dragging one event to a conflicting time, but nothing that acts before creation. , I've sorted it with click events function
code :
function checkOverlap(event) {  

    var start = new Date(event);
    var end = new Date(event.end);

    var overlap = $('#calendar').fullCalendar('clientEvents', function(ev) {
        if( ev == event) {
            return false;
        }
        var estart = new Date(ev.start);
        var eend = new Date(ev.end);

        return (Math.round(estart) == Math.round(start));
    });

    if (overlap.length){  
        return false;
    } else {
        return true;
    }               
}
return (Math.round(estart) == Math.round(start));
Prevent resize or overlapping of certain elements in fullcalendar

Prevent resize or overlapping of certain elements in fullcalendar


By : Tatiana
Date : March 29 2020, 07:55 AM
hop of those help? I want the event in white to be background event and the blue events to overlap on those white events. Can anyone help? It should show the white as background and the blue events on top of white but the size of white should not be compromised while the blue events are being stacked on top of the white event**(as in the picture the white is being overlapped whie the blue events are being added)**. , You're probably looking for the rendering property, from the docs:
code :
Allows alternate rendering of the event, like background events.
Can be empty, "background", or "inverse-background"
Prevent Other Month Events From Rendering in jQuery FullCalendar

Prevent Other Month Events From Rendering in jQuery FullCalendar


By : Ankush Chand
Date : March 29 2020, 07:55 AM
I wish this helpful for you I guess there isn't a way to reference the parent calendar from within this event. "this" refers to the event object. I didn't realize that the view also gets passed as a third parameter. I was able to accomplish this using the following code:
FullCalendar Overlapping Events different color

FullCalendar Overlapping Events different color


By : Ashok Kumar
Date : March 29 2020, 07:55 AM
wish helps you There are two ways to do this:
Server side: the best method in my opinion, definitely faster.
code :
$output = [];
$my_start_date = $_GET['start'];
$my_end_date = $_GET['end'];
$result = $db->query("SELECT * FROM events WHERE 1;");
foreach ($result AS $row){
    $is_overlapping_class = "";
    if( isOverlapping($row['start'], $row['end']) )
        $is_overlapping_class = "my-custom-overlapping-class";

    $output[] = [
        "title" => $row['title'],
        "content" => $row['content'],
        "start" => date("Y-m-d", strtotime( $row['start'] )),
        "end" => date("Y-m-d", strtotime( $row['end'] )),
        "allDay" => boolval($row['allDay']),
        "className" => $is_overlapping_class
    ];
}
function isOverlapping( $start, $end ){
    GLOBAL $db;
    $result = $db->query("SELECT 1 FROM events WHERE date(date_start) >= date('$my_start_date') AND date(date_end) <= date('$my_end_date')");
    return $result->rowCount() > 1; // > 1 because one result will be surely the currently tested event
}
function isOverlapping( event ) {
    var array = $('#calendar').fullCalendar('clientEvents');
    for(i in array){
        if(array[i].id != event.id){
            if(!(Date(array[i].start) >= Date(event.end) || Date(array[i].end) <= Date(event.start))){
                return true;
            }
        }
    }
    return false;
}
$('#calendar').fullCalendar({
    events: [ ... ],
    eventRender: function(event, element) {
        if( isOverlapping( event ) ){
            element.addClass('my-custom-overlapping-class');
        }
    }
});
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