var inst = $(this).data("draggable"), o = inst.options;
inst.sortables = [];
$(o.connectToSortable).each(function() {
- // 'this' points to a string, and should therefore resolved as query, but instead, if the string is assigned to a variable, it loops through the strings properties,
- // so we have to append '' to make it anonymous again
- $(typeof this == 'string' ? this+'': this).each(function() {
- if($.data(this, 'sortable')) {
- var sortable = $.data(this, 'sortable');
- if (sortable.options.disabled) { return; }
- inst.sortables.push({
- instance: sortable,
- shouldRevert: sortable.options.revert
- });
- sortable._refreshItems(); //Do a one-time refresh at start to refresh the containerCache
- sortable._trigger("activate", event, inst);
- }
- });
+ var sortable = $.data(this, 'sortable');
+ if (sortable && !sortable.options.disabled) {
+ inst.sortables.push({
+ instance: sortable,
+ shouldRevert: sortable.options.revert
+ });
+ sortable._refreshItems(); //Do a one-time refresh at start to refresh the containerCache
+ sortable._trigger("activate", event, inst);
+ }
});
},