loading

Triggered when event or resource fetching starts/stops.

<div class='spec' markdown='1'> function( *isLoading*, *view* ) </div>

Triggered with a true argument when the calendar begins fetching events via AJAX. Triggered with false when done.

view is the current View Object.

This function is often used to show/hide a loading indicator.

When the Scheduler plugin is loaded, this callback is also fired when resources are fetched.