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STUDIP.ready(function() {
jQuery(document).on('change', 'form.new-calendar-date-form input[name=begin]', function(event) {
let begin_value = jQuery(event.target).val();
let begin = STUDIP.Calendar.parseDateFromString(begin_value);
if (!begin) {
return;
}
let end_value = jQuery('form.new-calendar-date-form input[name=end]').val();
let end = STUDIP.Calendar.parseDateFromString(end_value);
if (end) {
//Check if the date and time in end_value is past the date in begin_value.
//If so, set the date or the time or both to a value after begin_value.
if (end.getTime() <= begin.getTime()) {
//Get the distance of the time (hours and minutes only) between begin and end:
let diff = Math.abs(end.getHours() - begin.getHours()) * 3600
+ Math.abs(end.getMinutes() - begin.getMinutes()) * 60;
end = begin;
end.setTime(end.getTime() + diff * 1000);
}
} else {
//Clone begin and add one hour to end:
end = begin;
end.setTime(end.getTime() + 3600000);
}
//Display the new end:
let end_string = STUDIP.DateTime.pad(end.getDate()) + '.' + STUDIP.DateTime.pad(end.getMonth() + 1) + '.' + end.getFullYear()
+ ' ' + STUDIP.DateTime.pad(end.getHours()) + ':' + STUDIP.DateTime.pad(end.getMinutes());
jQuery('form.new-calendar-date-form input[name=end]').val(end_string);
});
});
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