@scrnhq/eurovision-elements/results-table/index.js

'use strict';

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

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; }; }();

var _body = require('./body');

var _body2 = _interopRequireDefault(_body);

var _head = require('./head');

var _head2 = _interopRequireDefault(_head);

var _foot = require('./foot');

var _foot2 = _interopRequireDefault(_foot);

var _style = require('./style.css');

var _style2 = _interopRequireDefault(_style);

var _sortBy = require('lodash/sortBy');

var _sortBy2 = _interopRequireDefault(_sortBy);

var _debounce = require('lodash/debounce');

var _debounce2 = _interopRequireDefault(_debounce);

var _reactAddonsShallowCompare = require('react-addons-shallow-compare');

var _reactAddonsShallowCompare2 = _interopRequireDefault(_reactAddonsShallowCompare);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

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

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

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 ResultsTable = function (_Component) {
  _inherits(ResultsTable, _Component);

  function ResultsTable() {
    var _ref;

    var _temp, _this, _ret;

    _classCallCheck(this, ResultsTable);

    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    return _ret = (_temp = (_this = _possibleConstructorReturn(this, (_ref = ResultsTable.__proto__ || Object.getPrototypeOf(ResultsTable)).call.apply(_ref, [this].concat(args))), _this), _this.state = {
      sortBy: 'label',
      orderByDesc: true,
      showPrevious: false,
      showNext: true
    }, _this.onScroll = function (event) {
      event.persist();
      _this.updateNavigationIndicators(event);
    }, _this.onHeaderClick = function (header) {
      if (_this.state.sortBy === header.props.id) {
        return _this.setState({ orderByDesc: !_this.state.orderByDesc });
      }

      return _this.setState({
        sortBy: header.props.id,
        orderByDesc: true
      });
    }, _this.updateNavigationIndicators = (0, _debounce2.default)(function (event) {
      var scrollLeft = event.target.scrollLeft;

      var _this$refs$body$getWi = _this.refs.body.getWidth(),
          width = _this$refs$body$getWi.width,
          scrollWidth = _this$refs$body$getWi.scrollWidth;

      _this.setState({
        showPrevious: scrollLeft > 60,
        showNext: scrollLeft + width < scrollWidth - 60
      });
    }, 200), _temp), _possibleConstructorReturn(_this, _ret);
  }

  /**
   * Define the types of props the component accepts.
   *
   * @type {Object}
   */


  /**
   * Describe the state of the component.
   *
   * @type {Object}
   */


  _createClass(ResultsTable, [{
    key: 'shouldComponentUpdate',


    /**
     * Determines if the component should be updated.
     *
     * @param  {Object} nextProps
     * @param  {Object} nextState
     * @return {Boolean}
     */
    value: function shouldComponentUpdate(nextProps, nextState) {
      return (0, _reactAddonsShallowCompare2.default)(this, nextProps, nextState);
    }

    /**
     * Invoked when the body of the table is scrolled.
     *
     * @param  {Event}
     * @return {void}
     */


    /**
     * Invoked when a header is clicked.
     * When the same header is clicked as it's currently ordered by we reverse
     * the other, otherwise we order by the header & set the default of DESC as
     * order.
     *
     * @param  {String} header
     * @return {void}
     */

  }, {
    key: 'getEntries',


    /**
     * Get the entries for the table, ordered & sorted by as defined by the state.
     *
     * @return {Array}
     */
    value: function getEntries() {
      var _this2 = this;

      var entries = (0, _sortBy2.default)(this.props.entries, function (entry) {
        var sorter = entry[_this2.state.sortBy];
        return (0, _react.isValidElement)(sorter) ? sorter.props[sorter.props.sortBy] : sorter;
      });
      return this.state.orderByDesc ? entries : entries.reverse();
    }

    /**
     * Update the navigation indicators, showing the previous/next arrows in
     * the head/foot.
     * This method is debounced for performance reasons since it's attached
     * to the scroll event.
     *
     * @param  {Event}
     * @return {void}
     */

  }, {
    key: 'render',


    /**
     * Render the component
     *
     * @return {ReactElement}
     */
    value: function render() {
      return _react2.default.createElement(
        'table',
        { className: _style2.default.component, ref: 'component' },
        _react2.default.createElement(_head2.default, {
          sortBy: this.state.sortBy,
          orderByDesc: this.state.orderByDesc,
          entries: this.getEntries(),
          onHeaderClick: this.onHeaderClick,
          showNavigation: this.state.showPrevious
        }),
        _react2.default.createElement(_body2.default, {
          ref: 'body',
          entries: this.getEntries(),
          countries: this.props.countries,
          onScroll: this.onScroll
        }),
        _react2.default.createElement(_foot2.default, {
          sortBy: this.state.sortBy,
          orderByDesc: this.state.orderByDesc,
          entries: this.getEntries(),
          onHeaderClick: this.onHeaderClick,
          showNavigation: this.state.showNext
        })
      );
    }
  }]);

  return ResultsTable;
}(_react.Component);

ResultsTable.propTypes = {
  entries: _react.PropTypes.array.isRequired,
  countries: _react.PropTypes.array.isRequired
};
exports.default = ResultsTable;