carbon-components/umd/components/data-table/data-table.js

(function (global, factory) {
  if (typeof define === "function" && define.amd) {
    define(['exports', '../../globals/js/settings', '../../globals/js/misc/mixin', '../../globals/js/mixins/create-component', '../../globals/js/mixins/init-component-by-search', '../../globals/js/mixins/evented-state', '../../globals/js/mixins/handles', '../../globals/js/misc/event-matches', '../../globals/js/misc/on'], factory);
  } else if (typeof exports !== "undefined") {
    factory(exports, require('../../globals/js/settings'), require('../../globals/js/misc/mixin'), require('../../globals/js/mixins/create-component'), require('../../globals/js/mixins/init-component-by-search'), require('../../globals/js/mixins/evented-state'), require('../../globals/js/mixins/handles'), require('../../globals/js/misc/event-matches'), require('../../globals/js/misc/on'));
  } else {
    var mod = {
      exports: {}
    };
    factory(mod.exports, global.settings, global.mixin, global.createComponent, global.initComponentBySearch, global.eventedState, global.handles, global.eventMatches, global.on);
    global.dataTable = mod.exports;
  }
})(this, function (exports, _settings, _mixin2, _createComponent, _initComponentBySearch, _eventedState, _handles, _eventMatches, _on) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });

  var _settings2 = _interopRequireDefault(_settings);

  var _mixin3 = _interopRequireDefault(_mixin2);

  var _createComponent2 = _interopRequireDefault(_createComponent);

  var _initComponentBySearch2 = _interopRequireDefault(_initComponentBySearch);

  var _eventedState2 = _interopRequireDefault(_eventedState);

  var _handles2 = _interopRequireDefault(_handles);

  var _eventMatches2 = _interopRequireDefault(_eventMatches);

  var _on2 = _interopRequireDefault(_on);

  function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
      default: obj
    };
  }

  function _toConsumableArray(arr) {
    if (Array.isArray(arr)) {
      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];

      return arr2;
    } else {
      return Array.from(arr);
    }
  }

  function _classCallCheck(instance, Constructor) {
    if (!(instance instanceof Constructor)) {
      throw new TypeError("Cannot call a class as a function");
    }
  }

  var _createClass = function () {
    function defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
      }
    }

    return function (Constructor, protoProps, staticProps) {
      if (protoProps) defineProperties(Constructor.prototype, protoProps);
      if (staticProps) defineProperties(Constructor, staticProps);
      return Constructor;
    };
  }();

  function _possibleConstructorReturn(self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  }

  function _inherits(subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  }

  var DataTable = function (_mixin) {
    _inherits(DataTable, _mixin);

    /**
     * Data Table
     * @extends CreateComponent
     * @extends InitComponentBySearch
     * @extends EventedState
     * @extends Handles
     * @param {HTMLElement} element The root element of tables
     * @param {Object} [options] the... options
     * @param {string} [options.selectorInit] selector initialization
     * @param {string} [options.selectorExpandCells] css selector for expand
     * @param {string} [options.expandableRow] css selector for expand
     * @param {string} [options.selectorParentRows] css selector for rows housing expansion
     * @param {string} [options.selectorTableBody] root css for table body
     * @param {string} [options.eventTrigger] selector for event bubble capture points
     * @param {string} [options.eventParentContainer] used find the bubble container
     */
    function DataTable(element, options) {
      _classCallCheck(this, DataTable);

      var _this = _possibleConstructorReturn(this, (DataTable.__proto__ || Object.getPrototypeOf(DataTable)).call(this, element, options));

      _initialiseProps.call(_this);

      _this.container = element.parentNode; // requires the immediate parent to be the container
      _this.tableBody = _this.element.querySelector(_this.options.selectorTableBody);
      _this.expandCells = [];
      _this.expandableRows = [];
      _this.parentRows = [];
      _this.overflowInitialized = false;

      _this.refreshRows();

      _this.manage((0, _on2.default)(_this.element, 'click', function (evt) {
        var eventElement = (0, _eventMatches2.default)(evt, _this.options.eventTrigger);
        if (eventElement) {
          _this._toggleState(eventElement, evt);
        }
      }));

      _this.manage((0, _on2.default)(_this.element, 'keydown', function (evt) {
        if (evt.which === 13) {
          var eventElement = (0, _eventMatches2.default)(evt, _this.options.eventTrigger);
          if (eventElement) {
            _this._toggleState(eventElement, evt);
          }
        }
      }));
      return _this;
    }

    /**
     * Toggles the given state.
     * @private
     * @param {Object} detail The detail of the event trigging this action.
     * @param {Function} callback Callback called when change in state completes.
     */


    _createClass(DataTable, [{
      key: '_changeState',
      value: function _changeState(detail, callback) {
        this[this.constructor.eventHandlers[detail.group]](detail);
        callback();
      }
    }], [{
      key: 'options',
      get: function get() {
        var prefix = _settings2.default.prefix;

        return {
          selectorInit: '[data-responsive-table]',
          selectorExpandCells: '.' + prefix + '--table-expand',
          selectorExpandableRows: '.' + prefix + '--expandable-row',
          selectorParentRows: '.' + prefix + '--parent-row',
          selectorTableBody: '.' + prefix + '--table-body',
          selectorCheckbox: '.' + prefix + '--checkbox',
          classParentRowEven: prefix + '--parent-row--even',
          classExpandableRow: prefix + '--expandable-row',
          classExpandableRowEven: prefix + '--expandable-row--even',
          classExpandableRowHidden: prefix + '--expandable-row--hidden',
          classTableSortAscending: prefix + '--table-sort--ascending',
          eventBeforeExpand: 'responsive-table-beforetoggleexpand',
          eventAfterExpand: 'responsive-table-aftertoggleexpand',
          eventBeforeSort: 'responsive-table-beforetogglesort',
          eventAfterSort: 'responsive-table-aftertogglesort',
          eventBeforeSelectAll: 'responsive-table-beforetoggleselectall',
          eventAfterSelectAll: 'responsive-table-aftertoggleselectall',
          eventTrigger: '[data-event]',
          eventParentContainer: '[data-parent-row]'
        };
      }
    }]);

    return DataTable;
  }((0, _mixin3.default)(_createComponent2.default, _initComponentBySearch2.default, _eventedState2.default, _handles2.default));

  DataTable.components = new WeakMap();
  DataTable.eventHandlers = {
    expand: '_toggleRowExpand',
    sort: '_toggleSort',
    'select-all': '_toggleSelectAll'
  };

  var _initialiseProps = function _initialiseProps() {
    var _this2 = this;

    this._toggleState = function (element, evt) {
      var data = element.dataset;
      var label = data.label ? data.label : '';
      var previousValue = data.previousValue ? data.previousValue : '';
      var initialEvt = evt;
      _this2.changeState({
        group: data.event,
        element: element,
        label: label,
        previousValue: previousValue,
        initialEvt: initialEvt
      });
    };

    this._zebraStripe = function (parentRows) {
      parentRows.forEach(function (item, index) {
        if (index % 2 === 0) {
          item.classList.add(_this2.options.classParentRowEven);
          if (item.nextElementSibling && item.nextElementSibling.classList.contains(_this2.options.classExpandableRow)) {
            item.nextElementSibling.classList.add(_this2.options.classExpandableRowEven);
          }
        } else {
          item.classList.remove(_this2.options.classParentRowEven);
        }
      });
    };

    this._initExpandableRows = function (expandableRows) {
      expandableRows.forEach(function (item) {
        item.classList.remove(_this2.options.classExpandableRowHidden);
        _this2.tableBody.removeChild(item);
      });
    };

    this._toggleRowExpand = function (detail) {
      var element = detail.element;
      var parent = (0, _eventMatches2.default)(detail.initialEvt, _this2.options.eventParentContainer);

      var index = _this2.expandCells.indexOf(element);
      if (element.dataset.previousValue === undefined || element.dataset.previousValue === 'expanded') {
        element.dataset.previousValue = 'collapsed';
        _this2.tableBody.insertBefore(_this2.expandableRows[index], _this2.parentRows[index + 1]);
      } else {
        _this2.tableBody.removeChild(parent.nextElementSibling);
        element.dataset.previousValue = 'expanded';
      }
    };

    this._toggleSort = function (detail) {
      var element = detail.element,
          previousValue = detail.previousValue;


      if (!previousValue || previousValue === 'descending') {
        element.dataset.previousValue = 'ascending';
        element.classList.add(_this2.options.classTableSortAscending);
      } else {
        element.dataset.previousValue = 'descending';
        element.classList.remove(_this2.options.classTableSortAscending);
      }
    };

    this._toggleSelectAll = function (detail) {
      var element = detail.element,
          previousValue = detail.previousValue;

      var inputs = [].concat(_toConsumableArray(_this2.element.querySelectorAll(_this2.options.selectorCheckbox)));
      if (!previousValue || previousValue === 'toggled') {
        inputs.forEach(function (item) {
          item.checked = true; // eslint-disable-line no-param-reassign
        });
        element.dataset.previousValue = 'off';
      } else {
        inputs.forEach(function (item) {
          item.checked = false; // eslint-disable-line no-param-reassign
        });
        element.dataset.previousValue = 'toggled';
      }
    };

    this.refreshRows = function () {
      var newExpandCells = [].concat(_toConsumableArray(_this2.element.querySelectorAll(_this2.options.selectorExpandCells)));
      var newExpandableRows = [].concat(_toConsumableArray(_this2.element.querySelectorAll(_this2.options.selectorExpandableRows)));
      var newParentRows = [].concat(_toConsumableArray(_this2.element.querySelectorAll(_this2.options.selectorParentRows)));

      // check if this is a refresh or the first time
      if (_this2.parentRows.length > 0) {
        var diffParentRows = newParentRows.filter(function (newRow) {
          return !_this2.parentRows.some(function (oldRow) {
            return oldRow === newRow;
          });
        });

        // check if there are expandable rows
        if (newExpandableRows.length > 0) {
          var diffExpandableRows = diffParentRows.map(function (newRow) {
            return newRow.nextElementSibling;
          });
          var mergedExpandableRows = [].concat(_toConsumableArray(_this2.expandableRows), _toConsumableArray(diffExpandableRows));
          _this2._initExpandableRows(diffExpandableRows);
          _this2.expandableRows = mergedExpandableRows;
        }

        _this2._zebraStripe(newParentRows);
      } else {
        _this2._zebraStripe(newParentRows);

        if (newExpandableRows.length > 0) {
          _this2._initExpandableRows(newExpandableRows);
          _this2.expandableRows = newExpandableRows;
        }
      }

      _this2.expandCells = newExpandCells;
      _this2.parentRows = newParentRows;
    };
  };

  exports.default = DataTable;
});