carbon-components/umd/components/tile/tile.js

Carbon Components is a component library for IBM Cloud

(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/misc/event-matches'], 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/misc/event-matches'));
  } else {
    var mod = {
      exports: {}
    };
    factory(mod.exports, global.settings, global.mixin, global.createComponent, global.initComponentBySearch, global.eventMatches);
    global.tile = mod.exports;
  }
})(this, function (exports, _settings, _mixin2, _createComponent, _initComponentBySearch, _eventMatches) {
  '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 _eventMatches2 = _interopRequireDefault(_eventMatches);

  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");
    }
  }

  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;
  }

  var _get = function get(object, property, receiver) {
    if (object === null) object = Function.prototype;
    var desc = Object.getOwnPropertyDescriptor(object, property);

    if (desc === undefined) {
      var parent = Object.getPrototypeOf(object);

      if (parent === null) {
        return undefined;
      } else {
        return get(parent, property, receiver);
      }
    } else if ("value" in desc) {
      return desc.value;
    } else {
      var getter = desc.get;

      if (getter === undefined) {
        return undefined;
      }

      return getter.call(receiver);
    }
  };

  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 Tile = function (_mixin) {
    _inherits(Tile, _mixin);

    /**
     * Tile.
     * @extends CreateComponent
     * @extends InitComponentBySearch
     * @param {HTMLElement} element The element working as an Tile.
     */
    function Tile(element, options) {
      _classCallCheck(this, Tile);

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

      _this._getClass = function (type) {
        var typeObj = {
          expandable: _this.options.classExpandedTile,
          clickable: _this.options.classClickableTile,
          selectable: _this.options.classSelectableTile
        };
        return typeObj[type];
      };

      _this._hookActions = function (tileClass) {
        var isExpandable = _this.tileType === 'expandable';
        if (isExpandable) {
          var aboveTheFold = _this.element.querySelector(_this.options.selectorAboveTheFold);
          var getStyle = _this.element.ownerDocument.defaultView.getComputedStyle(_this.element, null);
          var tilePaddingTop = parseInt(getStyle.getPropertyValue('padding-top'), 10);
          var tilePaddingBottom = parseInt(getStyle.getPropertyValue('padding-bottom'), 10);
          var tilePadding = tilePaddingTop + tilePaddingBottom;
          if (aboveTheFold) {
            _this.tileHeight = _this.element.getBoundingClientRect().height;
            _this.atfHeight = aboveTheFold.getBoundingClientRect().height + tilePadding;
            _this.element.style.maxHeight = _this.atfHeight + 'px';
          }

          if (_this.element.classList.contains(_this.options.classExpandedTile)) {
            _this._setTileHeight();
          }
        }

        _this.element.addEventListener('click', function (evt) {
          var input = (0, _eventMatches2.default)(evt, _this.options.selectorTileInput);
          if (!input) {
            _this.element.classList.toggle(tileClass);
          }
          if (isExpandable) {
            _this._setTileHeight();
          }
        });
        _this.element.addEventListener('keydown', function (evt) {
          var input = _this.element.querySelector(_this.options.selectorTileInput);
          if (input) {
            if (evt.which === 13 || evt.which === 32) {
              if (!isExpandable) {
                _this.element.classList.toggle(tileClass);
                input.checked = !input.checked;
              }
            }
          }
        });
      };

      _this._setTileHeight = function () {
        var isExpanded = _this.element.classList.contains(_this.options.classExpandedTile);
        _this.element.style.maxHeight = isExpanded ? _this.tileHeight + 'px' : _this.atfHeight + 'px';
      };

      _this.tileType = _this.element.dataset.tile;
      _this.tileHeight = 0; // Tracks expandable tile height
      _this.atfHeight = 0; // Tracks above the fold height
      _this._hookActions(_this._getClass(_this.tileType));
      return _this;
    }

    _createClass(Tile, [{
      key: 'release',
      value: function release() {
        _get(Tile.prototype.__proto__ || Object.getPrototypeOf(Tile.prototype), 'release', this).call(this);
      }
    }], [{
      key: 'options',
      get: function get() {
        var prefix = _settings2.default.prefix;

        return {
          selectorInit: '[data-tile]',
          selectorAboveTheFold: '[data-tile-atf]',
          selectorTileInput: '[data-tile-input]',
          classExpandedTile: prefix + '--tile--is-expanded',
          classClickableTile: prefix + '--tile--is-clicked',
          classSelectableTile: prefix + '--tile--is-selected'
        };
      }
    }]);

    return Tile;
  }((0, _mixin3.default)(_createComponent2.default, _initComponentBySearch2.default));

  Tile.components = new WeakMap();
  exports.default = Tile;
});