jquery - How to manually trigger 'update' in ui-sortable -

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i'm using ui sortable in each item delete button. here delete function:

$('.delete_item').click(function(){     $(this).closest('.grid_3_b').remove();     initsortable();     $(".sortable").sortable('refresh').trigger('update'); });

the div get's removed want to, there no update data sent php.. script won't save order , deleted item..

here initsortable(); function:

function initsortable() {     $( ".sortable" ).sortable({         items: '.grid_3_b, .dropable',         connectwith: ".sortable",         placeholder: "placeholder",         remove: function(event, ui) {             if(!$('div', this).length) {                 $(this).next('.dropable').remove();                 $(this).remove();             }             initmenu();         },         receive: function(event, ui) {             if( $(this).hasclass( "dropable" ) ) {                 if( $(this).hasclass( "gallery__item--active" ) ) {                     $(this).before( "<div class=\"dropable gallery__item sortable\"></div>" );                     $(this).after( "<div class=\"dropable gallery__item sortable\"></div>" );                      initsortable();                     $(".sortable").sortable('refresh').trigger('update');                     initmenu();                 }             }         },         update : function () {             var neworder = new array();             $('.sortable').each(function() {                 var id  = $(this).attr("id");                 var pusharray = new array();                 $('#' + id).children('div').each(function () {                     var art = $(this).attr("data-art");                     var pos = $(this).attr("data-pos");                     pusharray.push( {data:{'art':art, 'pos':pos}} );                 });                 neworder.push({'id':id, 'articles':pusharray});             });              $.post("example.php",{'neworder': neworder},function(data){});             initmenu();         }     }).disableselection(); }  initsortable();

also, remove function deletes column when it's empty, doesn't work when deleted latest item in column.. because update trigger isn't called?

for manually triggering events in jquery-ui sortable, instead of specifying handler in options object, need bind event handler after sortable initialization.

for example following not work

$('ul').sortable({   update: function () {     console.log('update called');   } }); $('ul').trigger('sortupdate'); // doesn't work

following works

$('ul').sortable(); $('ul').on('sortupdate',function(){    console.log('update called'); }); $('ul').trigger('sortupdate'); // logs update called.

demo


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