text: 
  jQuery(document).ready(function() {
      var table = $('#sample_1');
      var oTable = table.DataTable({
          // Internationalisation. For more info refer to http://datatables.net/manual/i18n
          "language": {
              "aria": {
                  "sortAscending": ": activate to sort column ascending",
                  "sortDescending": ": activate to sort column descending"
              },
              "emptyTable": "No data available in table",
              "info": "Showing _START_ to _END_ of _TOTAL_ entries",
              "infoEmpty": "No entries found",
              "infoFiltered": "(filtered1 from _MAX_ total entries)",
              "lengthMenu": "_MENU_ entries",
              "search": "Search:",
              "zeroRecords": "No matching records found"
          },
  
          // Or you can use remote translation file
          //"language": {
          //   url: '//cdn.datatables.net/plug-ins/3cfcc339e89/i18n/Portuguese.json'
          //},
  
          // setup buttons extentension: http://datatables.net/extensions/buttons/
          buttons: [
              { extend: 'print', className: 'btn dark btn-outline' },
              { extend: 'pdf', className: 'btn green btn-outline' },
              { extend: 'csv', className: 'btn purple btn-outline ' }
          ],
  
          // setup rowreorder extension: http://datatables.net/extensions/rowreorder/
          rowReorder: {
  
          },
  
          "order": [
              [0, 'asc']
          ],
          
          "lengthMenu": [
              [5, 10, 15, 20, -1],
              [5, 10, 15, 20, "All"] // change per page values here
          ],
          // set the initial value
          "pageLength": 10,
  
          "dom": "<'row' <'col-md-12'B>><'row'<'col-md-6 col-sm-12'l><'col-md-6 col-sm-12'f>r><'table-scrollable't><'row'<'col-md-5 col-sm-12'i><'col-md-7 col-sm-12'p>>", // horizobtal scrollable datatable
  
          // Uncomment below line("dom" parameter) to fix the dropdown overflow issue in the datatable cells. The default datatable layout
          // setup uses scrollable div(table-scrollable) with overflow:auto to enable vertical scroll(see: assets/global/plugins/datatables/plugins/bootstrap/dataTables.bootstrap.js). 
          // So when dropdowns used the scrollable div should be removed. 
          //"dom": "<'row' <'col-md-12'T>><'row'<'col-md-6 col-sm-12'l><'col-md-6 col-sm-12'f>r>t<'row'<'col-md-5 col-sm-12'i><'col-md-7 col-sm-12'p>>",
      });
  
      oTable.on( 'row-reorder', function ( e, diff, edit ) {
          var data = '';
          for ( var i=0, ien=diff.length ; i<ien ; i++ ) {
              var rowData = oTable.row( diff[i].node ).data();
              //console.log(rowData);
              data += '' + rowData[2] + ':' + diff[i].newData;
              if (i!=ien-1){
                  data += ','
              }
          }
          console.log(data);
          $.ajax({
              url: Routing.generate('ajax_reorder_countries'),
              data: "data=" + data,
              dataType: 'json',
              type: 'POST',
              success: function (data) {
                  return;
              }
          });
      } );
  });