anchor.diff:              I18n.t('samples.js.column_added') +
               '</span>');
   
  +          // Preserve save/delete buttons as we need them after new table
  +          // will be created
  +          $('div.toolbarButtons').appendTo('div.samples-table');
  +          $('div.toolbarButtons').hide();
  +
             // Destroy datatable
             table.destroy();
   
  
positive.code: 
  // Restore previous table
  function onClickCancel() {
      table.ajax.reload();
  
      changeToViewMode();
      updateButtons();
  
negative.code:           $('#samples').off();
            $('#samples thead').empty();
            $('#samples thead').append(originalHeader);
  
            // Re-initialize datatable
            table = dataTableInit();
  