feeles-ide/lib/Cards/EditorCard/Preview.js

The hackable and serializable IDE to make learning material

"use strict";

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));

var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));

var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));

var _getPrototypeOf3 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));

var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));

var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var _react = _interopRequireWildcard(require("react"));

var _propTypes = _interopRequireDefault(require("prop-types"));

var _typestyle = require("typestyle");

var _csx = require("csx");

var cn = {
  root: (0, _typestyle.style)({
    position: 'absolute',
    display: 'flex',
    flexDirection: 'row',
    alignItems: 'center',
    justifyContent: 'center',
    boxSizing: 'border-box',
    overflow: 'hidden',
    background: "linear-gradient(white, black)",
    width: '100%',
    height: '100%'
  })
};

var Preview =
/*#__PURE__*/
function (_PureComponent) {
  (0, _inherits2.default)(Preview, _PureComponent);

  function Preview() {
    var _getPrototypeOf2;

    var _this;

    (0, _classCallCheck2.default)(this, Preview);

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

    _this = (0, _possibleConstructorReturn2.default)(this, (_getPrototypeOf2 = (0, _getPrototypeOf3.default)(Preview)).call.apply(_getPrototypeOf2, [this].concat(args)));
    (0, _defineProperty2.default)((0, _assertThisInitialized2.default)((0, _assertThisInitialized2.default)(_this)), "state", {
      imageStyle: {}
    });
    return _this;
  }

  (0, _createClass2.default)(Preview, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      var _this2 = this;

      var file = this.props.file;

      if (file.is('image')) {
        var image = new Image();

        image.onload = function () {
          var ratio = function ratio(size) {
            return Math.max(size.height, 1) / Math.max(size.width, 1);
          };

          var screenRect = _this2.container.getBoundingClientRect();

          var val = ratio(screenRect) > ratio(image) ? screenRect.width / image.width : screenRect.height / image.height;

          _this2.setState({
            imageStyle: {
              transform: (0, _csx.scale)(val * 0.9)
            }
          });
        };

        image.src = file.blobURL;
      }
    }
  }, {
    key: "render",
    value: function render() {
      var _this3 = this;

      var file = this.props.file;
      var imageStyle = this.state.imageStyle;
      var content = file.is('image') ? _react.default.createElement("img", {
        src: file.blobURL,
        alt: file.name,
        style: imageStyle
      }) : file.is('audio') ? _react.default.createElement("audio", {
        src: file.blobURL,
        controls: true
      }) : null;
      return _react.default.createElement("div", {
        className: cn.root,
        ref: function ref(_ref) {
          return _ref && (_this3.container = _ref);
        }
      }, content);
    }
  }]);
  return Preview;
}(_react.PureComponent);

exports.default = Preview;
(0, _defineProperty2.default)(Preview, "propTypes", {
  file: _propTypes.default.object.isRequired,
  localization: _propTypes.default.object.isRequired,
  openFileDialog: _propTypes.default.func.isRequired,
  putFile: _propTypes.default.func.isRequired,
  getFiles: _propTypes.default.func.isRequired
});