@instructure/quiz-interactions
Version:
A React UI component Library for quiz interaction types.
135 lines (133 loc) • 6.69 kB
JavaScript
;
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 _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));
var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _react = _interopRequireWildcard(require("react"));
require("../ellipsePolyfill");
var _Canvas = _interopRequireDefault(require("../Canvas"));
var _propTypes = _interopRequireWildcard(require("../Canvas/propTypes"));
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _callSuper(_this, derived, args) {
function isNativeReflectConstruct() {
if (typeof Reflect === "undefined" || !Reflect.construct) return false;
if (Reflect.construct.sham) return false;
if (typeof Proxy === "function") return true;
try {
return !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));
} catch (e) {
return false;
}
}
derived = (0, _getPrototypeOf2["default"])(derived);
return (0, _possibleConstructorReturn2["default"])(_this, isNativeReflectConstruct() ? Reflect.construct(derived, args || [], (0, _getPrototypeOf2["default"])(_this).constructor) : derived.apply(_this, args));
}
var Oval = exports["default"] = /*#__PURE__*/function (_Component) {
function Oval() {
var _this2;
(0, _classCallCheck2["default"])(this, Oval);
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
_this2 = _callSuper(this, Oval, [].concat(args));
(0, _defineProperty2["default"])(_this2, "canvasRef", function (node) {
_this2.canvas = node;
});
// this type needs exactly 2 coordinates to draw a ellipsis
(0, _defineProperty2["default"])(_this2, "drawShape", function () {
var coordinates = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
if (coordinates.length === 2) {
var ctx = _this2.canvas.canvasElement.getContext('2d');
var pointA = coordinates[0];
var pointB = coordinates[1];
var radiusX = (pointB.x - pointA.x) * 0.5;
var radiusY = (pointB.y - pointA.y) * 0.5;
var centerX = pointA.x + radiusX;
var centerY = pointA.y + radiusY;
_this2.canvas.setFillStyle(); // content
ctx.beginPath();
ctx.ellipse(centerX, centerY, Math.abs(radiusX), Math.abs(radiusY), 0, 0, 2 * Math.PI);
ctx.fill();
_this2.canvas.setStrokeStyle(); // border
ctx.stroke();
}
});
// ===========
// ACTIONS
// ===========
(0, _defineProperty2["default"])(_this2, "onMouseMove", function (e) {
if (_this2.canvas.isDrawing()) {
var coordinates = _this2.__getOvalCoordinates(e);
_this2.canvas.drawShape(coordinates);
}
});
(0, _defineProperty2["default"])(_this2, "onMouseDown", function (e) {
if (!_this2.canvas.isDrawing()) {
_this2.canvas.startDrawing(e);
}
});
(0, _defineProperty2["default"])(_this2, "onMouseUp", function (e) {
if (_this2.canvas.isDrawing()) {
var coordinates = _this2.__getOvalCoordinates(e);
var c1 = coordinates[0];
var c2 = coordinates[1];
// if the release is not at the same position
if (c1.x !== c2.x || c1.y !== c2.y) {
_this2.canvas.stopDrawing(coordinates);
}
}
});
(0, _defineProperty2["default"])(_this2, "onTouchStart", function (e) {
e.preventDefault();
var evt = _this2.canvas.convertTouchCoordinates(e);
_this2.onMouseDown(evt);
});
(0, _defineProperty2["default"])(_this2, "onTouchMove", function (e) {
var evt = _this2.canvas.convertTouchCoordinates(e);
_this2.onMouseMove(evt);
});
(0, _defineProperty2["default"])(_this2, "onTouchEnd", function (e) {
e.preventDefault();
var evt = _this2.canvas.convertTouchCoordinates(e);
_this2.onMouseUp(evt);
});
return _this2;
}
(0, _inherits2["default"])(Oval, _Component);
return (0, _createClass2["default"])(Oval, [{
key: "__getOvalCoordinates",
value: function __getOvalCoordinates(e) {
var startPoint = this.canvas.getInitialCoordinate();
var x2 = e.nativeEvent.offsetX;
var y2 = e.nativeEvent.offsetY;
return [startPoint, {
x: x2,
y: y2
}];
}
}, {
key: "render",
value: function render() {
return /*#__PURE__*/_react["default"].createElement(_Canvas["default"], Object.assign({
realRef: this.canvasRef,
drawShape: this.drawShape,
onMouseMove: this.onMouseMove,
onMouseDown: this.onMouseDown,
onMouseUp: this.onMouseUp,
onTouchStart: this.onTouchStart,
onTouchMove: this.onTouchMove,
onTouchEnd: this.onTouchEnd
}, (0, _propTypes.pickProps)(this.props)));
}
}]);
}(_react.Component);
(0, _defineProperty2["default"])(Oval, "propTypes", _propTypes["default"]);
(0, _defineProperty2["default"])(Oval, "defaultProps", _propTypes.defaultProps);