ndla-ui/es/Frontpage/FrontpageSubjects.js

UI component library for NDLA.

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 _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; };

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; }

import React, { Component, Fragment } from 'react';
import BEMHelper from 'react-bem-helper';
import PropTypes from 'prop-types';
import { injectT } from 'ndla-i18n';
import { ChevronDown, ChevronUp } from 'ndla-icons/common';
import Modal, { ModalBody, ModalHeader, ModalCloseButton } from 'ndla-modal';
import Button from 'ndla-button';

import { OneColumn } from '../Layout';
import SafeLink from '../common/SafeLink';

var wrapperClasses = BEMHelper('c-frontpage-subjects-wrapper');
var sectionClasses = BEMHelper('c-frontpage-subjects-section');

export var FrontpageSubjectsSection = injectT(function (_ref) {
  var name = _ref.name,
      subjects = _ref.subjects,
      linkToAbout = _ref.linkToAbout,
      expanded = _ref.expanded,
      onExpand = _ref.onExpand,
      id = _ref.id,
      t = _ref.t;

  var getItems = function getItems() {
    var disable = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
    return subjects.map(function (subject) {
      return React.createElement(
        'li',
        _extends({ key: subject.url }, sectionClasses('item')),
        React.createElement(
          SafeLink,
          _extends({
            tabIndex: disable ? '-1' : null,
            to: subject.url
          }, sectionClasses('link'), {
            'aria-label': subject.text + ' ' + subject.yearInfo }),
          React.createElement(
            'span',
            sectionClasses('text'),
            subject.text
          ),
          subject.yearInfo && React.createElement(
            'span',
            sectionClasses('year-info'),
            subject.yearInfo
          )
        ),
        subject.beta && React.createElement(
          Modal,
          {
            narrow: true,
            containerClass: sectionClasses('beta-label-container').className,
            activateButton: React.createElement(
              Button,
              _extends({
                lighter: true
              }, sectionClasses('beta-label'), {
                'aria-label': t('subjectPage.subjectIsBeta.dialogHeader', {
                  title: subject.text
                }) }),
              t('subjectPage.subjectIsBeta.iconLabel')
            ) },
          function (onClose) {
            return React.createElement(
              Fragment,
              null,
              React.createElement(
                ModalHeader,
                null,
                React.createElement(ModalCloseButton, {
                  onClick: onClose,
                  title: t('modal.closeModal')
                })
              ),
              React.createElement(
                ModalBody,
                null,
                React.createElement(
                  'h1',
                  null,
                  t('subjectPage.subjectIsBeta.dialogHeader', {
                    title: subject.text
                  })
                ),
                React.createElement('hr', null),
                React.createElement(
                  'p',
                  null,
                  t('subjectPage.subjectIsBeta.dialogText'),
                  ' ',
                  linkToAbout
                )
              )
            );
          }
        )
      );
    });
  };

  return React.createElement(
    'nav',
    sectionClasses('', { expanded: expanded }),
    React.createElement(
      'h1',
      sectionClasses('heading'),
      React.createElement(
        'button',
        _extends({
          type: 'button',
          onClick: function onClick() {
            onExpand(!expanded);
          }
        }, sectionClasses('expand-button'), {
          'aria-expanded': expanded,
          'aria-controls': id }),
        React.createElement(
          'span',
          sectionClasses('expand-button-text'),
          name
        ),
        expanded ? React.createElement(ChevronUp, null) : React.createElement(ChevronDown, null)
      ),
      React.createElement(
        'span',
        sectionClasses('heading-text'),
        name
      )
    ),
    React.createElement(
      'ul',
      sectionClasses('subjects', 'wide'),
      getItems()
    ),
    React.createElement(
      'ul',
      _extends({}, sectionClasses('subjects', 'narrow'), {
        id: id,
        'aria-hidden': !expanded }),
      getItems(!expanded)
    )
  );
});

FrontpageSubjectsSection.propTypes = {
  id: PropTypes.string.isRequired,
  expanded: PropTypes.bool.isRequired,
  onExpand: PropTypes.func.isRequired,
  name: PropTypes.string.isRequired,
  linkToAbout: PropTypes.node.isRequired,
  subjects: PropTypes.arrayOf(PropTypes.shape({
    url: PropTypes.string.isRequired,
    text: PropTypes.string.isRequired,
    yearInfo: PropTypes.string
  }))
};

export var FrontpageSubjects = function (_Component) {
  _inherits(FrontpageSubjects, _Component);

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

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

    _this.state = {
      expanded: props.expanded
    };
    return _this;
  }

  _createClass(FrontpageSubjects, [{
    key: 'render',
    value: function render() {
      var _this2 = this;

      var _props = this.props,
          categories = _props.categories,
          linkToAbout = _props.linkToAbout,
          t = _props.t;


      return React.createElement(
        OneColumn,
        { wide: true, noPadding: true },
        React.createElement(
          'div',
          wrapperClasses(),
          categories.map(function (category) {
            return React.createElement(FrontpageSubjectsSection, {
              key: category.name,
              expanded: _this2.state.expanded === category.name,
              onExpand: function onExpand(expanded) {
                _this2.setState({
                  expanded: expanded ? category.name : undefined
                });
              },
              id: category.name,
              name: t('welcomePage.category.' + category.name),
              subjects: category.subjects,
              linkToAbout: linkToAbout
            });
          })
        )
      );
    }
  }]);

  return FrontpageSubjects;
}(Component);

FrontpageSubjects.propTypes = {
  t: PropTypes.func.isRequired,
  expanded: PropTypes.string,
  categories: PropTypes.arrayOf(PropTypes.shape({
    name: PropTypes.isRequired,
    subjects: PropTypes.arrayOf(PropTypes.shape({
      url: PropTypes.string.isRequired,
      text: PropTypes.string.isRequired,
      yearInfo: PropTypes.string,
      beta: PropTypes.bool
    }))
  })),
  linkToAbout: PropTypes.node.isRequired
};

FrontpageSubjects.defaultProps = {
  expanded: undefined
};

export default injectT(FrontpageSubjects);