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JQuery UI sortable - sort by drop event only

I want to disable sorting of items while dragging an item. Only after completion of the drop should the items be sorted accordingly.

     $( "#sortable" ).sortable({

        tolerance: 'pointer',
        revert: 'invalid',
        forceHelperSize: true,
        scroll: true,
        forcePlaceholderSize: true,
        placeholder: 'ui-state-highlight',
        helper: 'clone',
        containment: 'parent',
        cursor: 'move',        
        distance: 5,
        opacity: 0.3,
    });

link: jsfiddle

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One way to do this is to indicate the location of the microloan during various events. This is causing the return issue, but there is probably a way to resolve this somehow. And the behavior might not be exactly the same, but again, a little tweak and it might be there. Anyway, my suggestion:

$(function () {
    $("#sortable").sortable({

        tolerance: 'pointer',
        //revert: 'invalid',
        forceHelperSize: true,
        scroll: true,
        forcePlaceholderSize: true,
        placeholder: 'ui-state-highlight',
        helper: 'clone',
        containment: 'window',
        cursor: 'move',
        distance: 5,
        opacity: 1,
        start: function (event, ui) {
            place_prev = ui.placeholder.prev();//get position when selecting item
        },
        change: function (event, ui) {
            place_pos = ui.placeholder.index(); //each change you gather where the placeholder is going
            place_prev.after(ui.placeholder);//then you place it back where it started
        },
        beforeStop: function (event, ui) {

            $('li').eq(place_pos).after(ui.item);//before stopping you place item where it was on last change event
        },

    });

});


http://jsfiddle.net/2mxw14vv/3/

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