react-meteo-chart/lib/Candlestick.js

pre alpha of meteo chart

"use strict";

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

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

var _reactVis = require("react-vis");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _extends() { _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; }; return _extends.apply(this, arguments); }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var predefinedClassName = "rv-xy-plot__series rv-xy-plot__series--candlestick";

var CandlestickSeries =
/*#__PURE__*/
function (_AbstractSeries) {
  _inherits(CandlestickSeries, _AbstractSeries);

  function CandlestickSeries() {
    _classCallCheck(this, CandlestickSeries);

    return _possibleConstructorReturn(this, _getPrototypeOf(CandlestickSeries).apply(this, arguments));
  }

  _createClass(CandlestickSeries, [{
    key: "render",
    value: function render() {
      var _this = this;

      var _this$props = this.props,
          className = _this$props.className,
          data = _this$props.data,
          marginLeft = _this$props.marginLeft,
          marginTop = _this$props.marginTop;

      if (!data || !data[0] || !data[1]) {
        return null;
      }

      var xFunctor = this._getAttributeFunctor("x");

      var yFunctor = this._getAttributeFunctor("y");

      var strokeFunctor = this._getAttributeFunctor("stroke") || this._getAttributeFunctor("color");

      var fillFunctor = this._getAttributeFunctor("fill") || this._getAttributeFunctor("color");

      var opacityFunctor = this._getAttributeFunctor("opacity");

      var distance = Math.abs(xFunctor(data[1]) - xFunctor(data[0])) * 0.4;
      return _react["default"].createElement("g", {
        className: "".concat(predefinedClassName, " ").concat(className),
        transform: "translate(".concat(marginLeft, ",").concat(marginTop, ")")
      }, data.map(function (d, i) {
        var xTrans = xFunctor(d); // Names of values borrowed from here https://en.wikipedia.org/wiki/Candlestick_chart

        var yHigh = yFunctor(_objectSpread({}, d, {
          y: d.yHigh
        }));
        var yOpen = yFunctor(_objectSpread({}, d, {
          y: d.yOpen
        }));
        var yClose = yFunctor(_objectSpread({}, d, {
          y: d.yClose
        }));
        var yLow = yFunctor(_objectSpread({}, d, {
          y: d.yLow
        }));
        var lineAttrs = {
          stroke: strokeFunctor && strokeFunctor(d)
        };
        var xWidth = distance * 0.5;
        return _react["default"].createElement("g", {
          transform: "translate(".concat(xTrans, ")"),
          opacity: opacityFunctor ? opacityFunctor(d) : 1,
          key: i,
          onClick: function onClick(e) {
            return _this._valueClickHandler(d, e);
          },
          onMouseOver: function onMouseOver(e) {
            return _this._valueMouseOverHandler(d, e);
          },
          onMouseOut: function onMouseOut(e) {
            return _this._valueMouseOutHandler(d, e);
          }
        }, _react["default"].createElement("line", _extends({
          x1: -xWidth,
          x2: xWidth,
          y1: yHigh,
          y2: yHigh
        }, lineAttrs)), _react["default"].createElement("line", _extends({
          x1: 0,
          x2: 0,
          y1: yHigh,
          y2: yLow
        }, lineAttrs)), _react["default"].createElement("line", _extends({
          x1: -xWidth,
          x2: xWidth,
          y1: yLow,
          y2: yLow
        }, lineAttrs)), _react["default"].createElement("rect", {
          x: -xWidth,
          width: Math.max(xWidth * 2, 0),
          y: yOpen,
          height: Math.abs(yOpen - yClose),
          fill: fillFunctor && fillFunctor(d)
        }));
      }));
    }
  }]);

  return CandlestickSeries;
}(_reactVis.AbstractSeries);

CandlestickSeries.displayName = "CandlestickSeries";
var _default = CandlestickSeries;
exports["default"] = _default;