ndla-ui/lib/TopicIntroductionList/TopicIntroductionShortcuts.js

UI component library for NDLA.

'use strict';

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

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

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 _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _reactBemHelper = require('react-bem-helper');

var _reactBemHelper2 = _interopRequireDefault(_reactBemHelper);

var _common = require('ndla-icons/common');

var _TopicShortcutItem = require('./TopicShortcutItem');

var _TopicShortcutItem2 = _interopRequireDefault(_TopicShortcutItem);

var _shapes = require('../shapes');

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 classes = new _reactBemHelper2.default({
  name: 'topic-shortcuts',
  prefix: 'c-'
});

var TopicIntroductionShortcuts = function (_Component) {
  _inherits(TopicIntroductionShortcuts, _Component);

  function TopicIntroductionShortcuts(props) {
    _classCallCheck(this, TopicIntroductionShortcuts);

    var _this = _possibleConstructorReturn(this, (TopicIntroductionShortcuts.__proto__ || Object.getPrototypeOf(TopicIntroductionShortcuts)).call(this, props));

    _this.state = {
      open: props.alwaysExpanded,
      returned: false,
      showButtonText: true
    };
    _this.handleOnToggle = _this.handleOnToggle.bind(_this);
    return _this;
  }

  _createClass(TopicIntroductionShortcuts, [{
    key: 'handleOnToggle',
    value: function handleOnToggle(open) {
      this.setState({
        open: open,
        showButtonText: !open,
        returned: !open
      });
    }
  }, {
    key: 'render',
    value: function render() {
      var _this2 = this;

      var _props = this.props,
          shortcuts = _props.shortcuts,
          messages = _props.messages,
          id = _props.id,
          alwaysExpanded = _props.alwaysExpanded;
      var _state = this.state,
          open = _state.open,
          returned = _state.returned,
          showButtonText = _state.showButtonText;


      var onMouseEnter = null;
      var onMouseLeave = null;

      var buttonView = null;

      if (!alwaysExpanded) {
        onMouseEnter = function onMouseEnter() {
          return _this2.handleOnToggle(true);
        };
        onMouseLeave = function onMouseLeave() {
          return _this2.handleOnToggle(false);
        };

        buttonView = _react2.default.createElement(
          'button',
          _extends({
            type: 'button',
            'aria-expanded': this.state.open,
            'aria-label': messages.toggleButtonText,
            'aria-controls': id
          }, classes('button', returned ? 're-enter' : ''), {
            onClick: function onClick() {
              _this2.handleOnToggle(!open);
            } }),
          _react2.default.createElement(_common.Forward, null),
          showButtonText && _react2.default.createElement(
            'span',
            classes('label'),
            messages.toggleButtonText
          )
        );
      }
      return _react2.default.createElement(
        'div',
        _extends({
          onMouseEnter: onMouseEnter,
          onMouseLeave: onMouseLeave
        }, classes()),
        buttonView,
        open && _react2.default.createElement(
          'ul',
          { className: classes('list', open ? 'visible' : '').className },
          shortcuts.map(function (shortcut) {
            return _react2.default.createElement(
              'li',
              _extends({}, classes('item'), { key: shortcut.id }),
              _react2.default.createElement(_TopicShortcutItem2.default, { shortcut: shortcut })
            );
          })
        )
      );
    }
  }]);

  return TopicIntroductionShortcuts;
}(_react.Component);

TopicIntroductionShortcuts.propTypes = {
  id: _propTypes2.default.string.isRequired,
  alwaysExpanded: _propTypes2.default.bool,
  messages: _propTypes2.default.shape({
    toggleButtonText: _propTypes2.default.string.isRequired
  }),
  shortcuts: _propTypes2.default.arrayOf(_shapes.ShortcutShape).isRequired
};

TopicIntroductionShortcuts.defaultProps = {
  alwaysExpanded: false
};

exports.default = TopicIntroductionShortcuts;