"use strict";

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

/*! DataTables Bootstrap 3 integration
 * ©2011-2015 SpryMedia Ltd - datatables.net/license
 */

/**
 * DataTables integration for Bootstrap 3. This requires Bootstrap 3 and
 * DataTables 1.10 or newer.
 *
 * This file sets the defaults and adds options to DataTables to style its
 * controls using Bootstrap. See http://datatables.net/manual/styling/bootstrap
 * for further information.
 */
(function (factory) {
  if (typeof define === 'function' && define.amd) {
    // AMD
    define(['jquery', 'datatables.net'], function ($) {
      return factory($, window, document);
    });
  } else if ((typeof exports === "undefined" ? "undefined" : _typeof(exports)) === 'object') {
    // CommonJS
    module.exports = function (root, $) {
      if (!root) {
        root = window;
      }

      if (!$ || !$.fn.dataTable) {
        // Require DataTables, which attaches to jQuery, including
        // jQuery if needed and have a $ property so we can access the
        // jQuery object that is used
        $ = require('datatables.net')(root, $).$;
      }

      return factory($, root, root.document);
    };
  } else {
    // Browser
    factory(jQuery, window, document);
  }
})(function ($, window, document, undefined) {
  'use strict';

  var DataTable = $.fn.dataTable;
  /* Set the defaults for DataTables initialisation */

  $.extend(true, DataTable.defaults, {
    dom: '<\'text-muted\'i>' + '<\'table-responsive\'tr>' + '<\'mt-4\'p>',
    renderer: 'bootstrap'
  });
  /* Default class modification */

  $.extend(DataTable.ext.classes, {
    sWrapper: 'dataTables_wrapper dt-bootstrap4',
    sFilterInput: 'form-control',
    sLengthSelect: 'custom-select',
    sProcessing: 'dataTables_processing card',
    sPageButton: 'paginate_button page-item'
  });
  /* Bootstrap paging button renderer */

  DataTable.ext.renderer.pageButton.bootstrap = function (settings, host, idx, buttons, page, pages) {
    var api = new DataTable.Api(settings);
    var classes = settings.oClasses;
    var lang = settings.oLanguage.oPaginate;
    var aria = settings.oLanguage.oAria.paginate || {};
    var btnDisplay,
        btnClass,
        counter = 0;

    var attach = function attach(container, buttons) {
      var i, ien, node, button;

      var clickHandler = function clickHandler(e) {
        e.preventDefault();

        if (!$(e.currentTarget).hasClass('disabled') && api.page() != e.data.action) {
          api.page(e.data.action).draw('page');
        }
      };

      for (i = 0, ien = buttons.length; i < ien; i++) {
        button = buttons[i];

        if ($.isArray(button)) {
          attach(container, button);
        } else {
          btnDisplay = '';
          btnClass = '';

          switch (button) {
            case 'ellipsis':
              btnDisplay = '&#x2026;';
              btnClass = 'disabled';
              break;

            case 'first':
              btnDisplay = lang.sFirst;
              btnClass = button + (page > 0 ? '' : ' disabled');
              break;

            case 'previous':
              btnDisplay = lang.sPrevious;
              btnClass = button + (page > 0 ? '' : ' disabled');
              break;

            case 'next':
              btnDisplay = lang.sNext;
              btnClass = button + (page < pages - 1 ? '' : ' disabled');
              break;

            case 'last':
              btnDisplay = lang.sLast;
              btnClass = button + (page < pages - 1 ? '' : ' disabled');
              break;

            default:
              btnDisplay = button + 1;
              btnClass = page === button ? 'active' : '';
              break;
          }

          if (btnDisplay) {
            node = $('<li>', {
              'class': classes.sPageButton + ' ' + btnClass,
              'id': idx === 0 && typeof button === 'string' ? settings.sTableId + '_' + button : null
            }).append($('<a>', {
              'href': '#',
              'aria-controls': settings.sTableId,
              'aria-label': aria[button],
              'data-dt-idx': counter,
              'tabindex': settings.iTabIndex,
              'class': 'page-link'
            }).html(btnDisplay)).appendTo(container);

            settings.oApi._fnBindAction(node, {
              action: button
            }, clickHandler);

            counter++;
          }
        }
      }
    }; // IE9 throws an 'unknown error' if document.activeElement is used
    // inside an iframe or frame.


    var activeEl;

    try {
      // Because this approach is destroying and recreating the paging
      // elements, focus is lost on the select button which is bad for
      // accessibility. So we want to restore focus once the draw has
      // completed
      activeEl = $(host).find(document.activeElement).data('dt-idx');
    } catch (e) {}

    attach($(host).empty().html('<ul class="pagination justify-content-center"/>').children('ul'), buttons);

    if (activeEl !== undefined) {
      $(host).find('[data-dt-idx=' + activeEl + ']').focus();
    }
  };

  return DataTable;
});