mirror of https://gitlab.crans.org/bde/nk20
37 lines
1.6 KiB
JavaScript
37 lines
1.6 KiB
JavaScript
|
var yl = yl || {};
|
||
|
|
if (typeof django !== 'undefined' && typeof django.jQuery !== 'undefined') {
|
||
|
|
// If django.jQuery is already defined, use it.
|
||
|
|
yl.jQuery = django.jQuery;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// We include jquery itself in our widget's media, because we need it.
|
||
|
|
// Normally, we expect our widget's reference to admin/js/vendor/jquery/jquery.js
|
||
|
|
// to be skipped, because django's own code has already included it.
|
||
|
|
// However, if django.jQuery is NOT defined, we know that jquery was not
|
||
|
|
// included before we did it ourselves. This can happen if we're not being
|
||
|
|
// rendered in a django admin form.
|
||
|
|
// However, someone ELSE'S jQuery may have been included before ours, in
|
||
|
|
// which case we must ensure that our jquery doesn't override theirs, since
|
||
|
|
// it might be a newer version that other code on the page relies on.
|
||
|
|
// Thus, we must run jQuery.noConflict(true) here to move our jQuery out of
|
||
|
|
// the way.
|
||
|
|
yl.jQuery = jQuery.noConflict(true);
|
||
|
|
}
|
||
|
|
|
||
|
|
// In addition to all of this, we must ensure that the global jQuery and $ are
|
||
|
|
// defined, because Select2 requires that. jQuery will only be undefined at
|
||
|
|
// this point if only we or django included it.
|
||
|
|
if (typeof jQuery === 'undefined') {
|
||
|
|
jQuery = yl.jQuery;
|
||
|
|
$ = yl.jQuery;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// jQuery IS still defined, which means someone else also included jQuery.
|
||
|
|
// In this situation, we need to store the old jQuery in a
|
||
|
|
// temp variable, set the global jQuery to our yl.jQuery, then let select2
|
||
|
|
// set itself up. We restore the global jQuery to its original value in
|
||
|
|
// jquery.post-setup.js.
|
||
|
|
dal_jquery_backup = jQuery.noConflict(true);
|
||
|
|
jQuery = yl.jQuery;
|
||
|
|
}
|