Kendo Grid Drag and Drop to sort by Ordinal

by LeoJH

HTML

<script src="http://cdn.kendostatic.com/2014.1.318/js/kendo.web.min.js"></script>
<link rel="stylesheet" href="http://cdn.kendostatic.com/2014.1.318/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2014.1.318/styles/kendo.metro.min.css">
<div id="grid"></div>

CSS

html {
    font: 400 12px Arial, Helvetica, sans-serif
}

JavaScript

(function () {
        var countries = new kendo.data.DataSource({
            data: [{
                Name: "United States of America",
                CategoryId: 0,
                Category: "North America",
                OriginalOrdinal: 0,
                Ordinal: 0
            }, {
                Name: "Canada",
                CategoryId: 0,
                Category: "North America",
                OriginalOrdinal: 1,
                Ordinal: 1
            }, {
                Name: "Mexico",
                CategoryId: 0,
                Category: "North America",
                OriginalOrdinal: 2,
                Ordinal: 2
            }, {
                Name: "Argentina",
                CategoryId: 1,
                Category: "South America",
                OriginalOrdinal: 0,
                Ordinal: 0
            }, {
                Name: "Colombia",
                CategoryId: 1,
                Category: "South America",
                OriginalOrdinal: 1,
                Ordinal: 1
            }, {
                Name: "Chile",
                CategoryId: 1,
                Category: "South America",
                OriginalOrdinal: 2,
                Ordinal: 2
            }],
            group: {
                field: "Category"
            },
            sort: {
                field: "Ordinal",
                dir: "asc"
            }
        });

        var grid = jQuery('#grid').kendoGrid({
            dataSource: countries,
            autoBind: true,
            scrollable: true,
            sortable: false,
            selectable: false,
            filterable: false,
            columns: [{
                field: "Name",
                title: "Countries"
            }, {
                field: "Ordinal",
                title: "Ordinal",
                width: 125
            }, {
                field: "OriginalOrdinal",
                title: "Original Ordinal",
                width: 125
            }, {
               ...