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nk20/static/autocomplete_light/jquery.init.js
Pierre-antoine Comby 70c09da9f8 add static files
2020-02-25 22:15:46 +01:00

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;
}