ndla-ui/es/Subject/SubjectConcept.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; }; }();

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 } from 'react';
import PropTypes from 'prop-types';
import BEMHelper from 'react-bem-helper';
import { Concept } from 'ndla-ui';

var classes = BEMHelper('c-subject-concepts');

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

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

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

    _this.state = { visible: false };
    _this.showConceptDialog = _this.showConceptDialog.bind(_this);
    _this.hideConceptDialog = _this.hideConceptDialog.bind(_this);
    _this.handleKeyUp = _this.handleKeyUp.bind(_this);
    return _this;
  }

  _createClass(SubjectConcept, [{
    key: 'handleKeyUp',
    value: function handleKeyUp() {
      this.showConceptDialog();
    }
  }, {
    key: 'showConceptDialog',
    value: function showConceptDialog() {
      var _this2 = this;

      var linkBounds = this.conceptLink.getBoundingClientRect();
      var viewportWidth = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
      var dialogX = 250 + (linkBounds.left - linkBounds.width) + 500 > viewportWidth ? viewportWidth - (500 - linkBounds.width) : 250 + linkBounds.left;
      this.conceptDialog.style.top = linkBounds.bottom + window.pageYOffset + 'px';
      this.conceptDialog.style.left = dialogX + 'px';
      setTimeout(function () {
        _this2.setState({ visible: true });
      });
    }
  }, {
    key: 'hideConceptDialog',
    value: function hideConceptDialog() {
      this.setState({ visible: false });
    }
  }, {
    key: 'render',
    value: function render() {
      var _this3 = this;

      var concept = this.props.concept;

      return React.createElement(
        'li',
        classes('item'),
        React.createElement(
          Concept,
          {
            dialogRef: function dialogRef(el) {
              _this3.conceptDialog = el;
            },
            content: concept.content,
            authors: concept.authors,
            source: concept.source,
            title: concept.title,
            messages: concept.messages,
            license: concept.license,
            id: concept.id,
            visible: this.state.visible,
            closeCallback: this.hideConceptDialog },
          React.createElement(
            'span',
            {
              className: 'c-concept__link',
              role: 'button',
              tabIndex: 0,
              onClick: this.showConceptDialog,
              onKeyUp: this.handleKeyUp,
              ref: function ref(btn) {
                _this3.conceptLink = btn;
              } },
            concept.title
          )
        )
      );
    }
  }]);

  return SubjectConcept;
}(Component);

SubjectConcept.propTypes = {
  concept: PropTypes.shape()
};

export default SubjectConcept;