/**
* DO NOT EDIT THIS FILE.
* See the following change record for more information,
* https://www.drupal.org/node/2815083
* @preserve
**/

(function ($, Drupal) {
  Drupal.behaviors.tableSelect = {
    attach: function attach(context, settings) {
      $(context).find('th.select-all').closest('table').once('table-select').each(Drupal.tableSelect);
    }
  };

  Drupal.tableSelect = function () {
    if ($(this).find('td input[type="checkbox"]').length === 0) {
      return;
    }

    var table = this;
    var checkboxes = void 0;
    var lastChecked = void 0;
    var $table = $(table);
    var strings = {
      selectAll: Drupal.t('Select all rows in this table'),
      selectNone: Drupal.t('Deselect all rows in this table')
    };
    var updateSelectAll = function updateSelectAll(state) {
      $table.prev('table.sticky-header').addBack().find('th.select-all input[type="checkbox"]').each(function () {
        var $checkbox = $(this);
        var stateChanged = $checkbox.prop('checked') !== state;

        $checkbox.attr('title', state ? strings.selectNone : strings.selectAll);

        if (stateChanged) {
          $checkbox.prop('checked', state).trigger('change');
        }
      });
    };

    $table.find('th.select-all').prepend($('<input type="checkbox" class="form-checkbox" />').attr('title', strings.selectAll)).on('click', function (event) {
      if ($(event.target).is('input[type="checkbox"]')) {
        checkboxes.each(function () {
          var $checkbox = $(this);
          var stateChanged = $checkbox.prop('checked') !== event.target.checked;

          if (stateChanged) {
            $checkbox.prop('checked', event.target.checked).trigger('change');
          }

          $checkbox.closest('tr').toggleClass('selected', this.checked);
        });

        updateSelectAll(event.target.checked);
      }
    });

    checkboxes = $table.find('td input[type="checkbox"]:enabled').on('click', function (e) {
      $(this).closest('tr').toggleClass('selected', this.checked);

      if (e.shiftKey && lastChecked && lastChecked !== e.target) {
        Drupal.tableSelectRange($(e.target).closest('tr')[0], $(lastChecked).closest('tr')[0], e.target.checked);
      }

      updateSelectAll(checkboxes.length === checkboxes.filter(':checked').length);

      lastChecked = e.target;
    });

    updateSelectAll(checkboxes.length === checkboxes.filter(':checked').length);
  };

  Drupal.tableSelectRange = function (from, to, state) {
    var mode = from.rowIndex > to.rowIndex ? 'previousSibling' : 'nextSibling';

    for (var i = from[mode]; i; i = i[mode]) {
      var $i = $(i);

      if (i.nodeType !== 1) {
        continue;
      }

      $i.toggleClass('selected', state);
      $i.find('input[type="checkbox"]').prop('checked', state);

      if (to.nodeType) {
        if (i === to) {
          break;
        }
      } else if ($.filter(to, [i]).r.length) {
          break;
        }
    }
  };
})(jQuery, Drupal);