recharts/es6/shape/Sector.js

React charts

var _class, _class2, _temp;

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/**
 * @fileOverview Sector
 */
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import pureRender from '../util/PureRender';
import { PRESENTATION_ATTRIBUTES, getPresentationAttributes, filterEventAttributes } from '../util/ReactUtils';
import { polarToCartesian, RADIAN } from '../util/PolarUtils';
import { getPercentValue, mathSign } from '../util/DataUtils';

var getDeltaAngle = function getDeltaAngle(startAngle, endAngle) {
  var sign = mathSign(endAngle - startAngle);
  var deltaAngle = Math.min(Math.abs(endAngle - startAngle), 359.999);
  return sign * deltaAngle;
};

var getTangentCircle = function getTangentCircle(_ref) {
  var cx = _ref.cx,
      cy = _ref.cy,
      radius = _ref.radius,
      angle = _ref.angle,
      sign = _ref.sign,
      isExternal = _ref.isExternal,
      cornerRadius = _ref.cornerRadius,
      cornerIsExternal = _ref.cornerIsExternal;
  var centerRadius = cornerRadius * (isExternal ? 1 : -1) + radius;
  var theta = Math.asin(cornerRadius / centerRadius) / RADIAN;
  var centerAngle = cornerIsExternal ? angle : angle + sign * theta;
  var center = polarToCartesian(cx, cy, centerRadius, centerAngle); // The coordinate of point which is tangent to the circle

  var circleTangency = polarToCartesian(cx, cy, radius, centerAngle); // The coordinate of point which is tangent to the radius line

  var lineTangencyAngle = cornerIsExternal ? angle - sign * theta : angle;
  var lineTangency = polarToCartesian(cx, cy, centerRadius * Math.cos(theta * RADIAN), lineTangencyAngle);
  return {
    center: center,
    circleTangency: circleTangency,
    lineTangency: lineTangency,
    theta: theta
  };
};

var getSectorPath = function getSectorPath(_ref2) {
  var cx = _ref2.cx,
      cy = _ref2.cy,
      innerRadius = _ref2.innerRadius,
      outerRadius = _ref2.outerRadius,
      startAngle = _ref2.startAngle,
      endAngle = _ref2.endAngle;
  var angle = getDeltaAngle(startAngle, endAngle); // When the angle of sector equals to 360, star point and end point coincide

  var tempEndAngle = startAngle + angle;
  var outerStartPoint = polarToCartesian(cx, cy, outerRadius, startAngle);
  var outerEndPoint = polarToCartesian(cx, cy, outerRadius, tempEndAngle);
  var path = "M ".concat(outerStartPoint.x, ",").concat(outerStartPoint.y, "\n    A ").concat(outerRadius, ",").concat(outerRadius, ",0,\n    ").concat(+(Math.abs(angle) > 180), ",").concat(+(startAngle > tempEndAngle), ",\n    ").concat(outerEndPoint.x, ",").concat(outerEndPoint.y, "\n  ");

  if (innerRadius > 0) {
    var innerStartPoint = polarToCartesian(cx, cy, innerRadius, startAngle);
    var innerEndPoint = polarToCartesian(cx, cy, innerRadius, tempEndAngle);
    path += "L ".concat(innerEndPoint.x, ",").concat(innerEndPoint.y, "\n            A ").concat(innerRadius, ",").concat(innerRadius, ",0,\n            ").concat(+(Math.abs(angle) > 180), ",").concat(+(startAngle <= tempEndAngle), ",\n            ").concat(innerStartPoint.x, ",").concat(innerStartPoint.y, " Z");
  } else {
    path += "L ".concat(cx, ",").concat(cy, " Z");
  }

  return path;
};

var getSectorWithCorner = function getSectorWithCorner(_ref3) {
  var cx = _ref3.cx,
      cy = _ref3.cy,
      innerRadius = _ref3.innerRadius,
      outerRadius = _ref3.outerRadius,
      cornerRadius = _ref3.cornerRadius,
      forceCornerRadius = _ref3.forceCornerRadius,
      cornerIsExternal = _ref3.cornerIsExternal,
      startAngle = _ref3.startAngle,
      endAngle = _ref3.endAngle;
  var sign = mathSign(endAngle - startAngle);

  var _getTangentCircle = getTangentCircle({
    cx: cx,
    cy: cy,
    radius: outerRadius,
    angle: startAngle,
    sign: sign,
    cornerRadius: cornerRadius,
    cornerIsExternal: cornerIsExternal
  }),
      soct = _getTangentCircle.circleTangency,
      solt = _getTangentCircle.lineTangency,
      sot = _getTangentCircle.theta;

  var _getTangentCircle2 = getTangentCircle({
    cx: cx,
    cy: cy,
    radius: outerRadius,
    angle: endAngle,
    sign: -sign,
    cornerRadius: cornerRadius,
    cornerIsExternal: cornerIsExternal
  }),
      eoct = _getTangentCircle2.circleTangency,
      eolt = _getTangentCircle2.lineTangency,
      eot = _getTangentCircle2.theta;

  var outerArcAngle = Math.abs(startAngle - endAngle) - sot - eot;

  if (outerArcAngle < 0) {
    if (forceCornerRadius) {
      return "M ".concat(solt.x, ",").concat(solt.y, "\n        a").concat(cornerRadius, ",").concat(cornerRadius, ",0,0,1,").concat(cornerRadius * 2, ",0\n        a").concat(cornerRadius, ",").concat(cornerRadius, ",0,0,1,").concat(-cornerRadius * 2, ",0\n      ");
    }

    return getSectorPath({
      cx: cx,
      cy: cy,
      innerRadius: innerRadius,
      outerRadius: outerRadius,
      startAngle: startAngle,
      endAngle: endAngle
    });
  }

  var path = "M ".concat(solt.x, ",").concat(solt.y, "\n    A").concat(cornerRadius, ",").concat(cornerRadius, ",0,0,").concat(+(sign < 0), ",").concat(soct.x, ",").concat(soct.y, "\n    A").concat(outerRadius, ",").concat(outerRadius, ",0,").concat(+(outerArcAngle > 180), ",").concat(+(sign < 0), ",").concat(eoct.x, ",").concat(eoct.y, "\n    A").concat(cornerRadius, ",").concat(cornerRadius, ",0,0,").concat(+(sign < 0), ",").concat(eolt.x, ",").concat(eolt.y, "\n  ");

  if (innerRadius > 0) {
    var _getTangentCircle3 = getTangentCircle({
      cx: cx,
      cy: cy,
      radius: innerRadius,
      angle: startAngle,
      sign: sign,
      isExternal: true,
      cornerRadius: cornerRadius,
      cornerIsExternal: cornerIsExternal
    }),
        sict = _getTangentCircle3.circleTangency,
        silt = _getTangentCircle3.lineTangency,
        sit = _getTangentCircle3.theta;

    var _getTangentCircle4 = getTangentCircle({
      cx: cx,
      cy: cy,
      radius: innerRadius,
      angle: endAngle,
      sign: -sign,
      isExternal: true,
      cornerRadius: cornerRadius,
      cornerIsExternal: cornerIsExternal
    }),
        eict = _getTangentCircle4.circleTangency,
        eilt = _getTangentCircle4.lineTangency,
        eit = _getTangentCircle4.theta;

    var innerArcAngle = Math.abs(startAngle - endAngle) - sit - eit;

    if (innerArcAngle < 0) {
      return "".concat(path, "L").concat(cx, ",").concat(cy, "Z");
    }

    path += "L".concat(eilt.x, ",").concat(eilt.y, "\n      A").concat(cornerRadius, ",").concat(cornerRadius, ",0,0,").concat(+(sign < 0), ",").concat(eict.x, ",").concat(eict.y, "\n      A").concat(innerRadius, ",").concat(innerRadius, ",0,").concat(+(innerArcAngle > 180), ",").concat(+(sign > 0), ",").concat(sict.x, ",").concat(sict.y, "\n      A").concat(cornerRadius, ",").concat(cornerRadius, ",0,0,").concat(+(sign < 0), ",").concat(silt.x, ",").concat(silt.y, "Z");
  } else {
    path += "L".concat(cx, ",").concat(cy, "Z");
  }

  return path;
};

var Sector = pureRender(_class = (_temp = _class2 =
/*#__PURE__*/
function (_Component) {
  _inherits(Sector, _Component);

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

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

  _createClass(Sector, [{
    key: "render",
    value: function render() {
      var _this$props = this.props,
          cx = _this$props.cx,
          cy = _this$props.cy,
          innerRadius = _this$props.innerRadius,
          outerRadius = _this$props.outerRadius,
          cornerRadius = _this$props.cornerRadius,
          forceCornerRadius = _this$props.forceCornerRadius,
          cornerIsExternal = _this$props.cornerIsExternal,
          startAngle = _this$props.startAngle,
          endAngle = _this$props.endAngle,
          className = _this$props.className;

      if (outerRadius < innerRadius || startAngle === endAngle) {
        return null;
      }

      var layerClass = classNames('recharts-sector', className);
      var deltaRadius = outerRadius - innerRadius;
      var cr = getPercentValue(cornerRadius, deltaRadius, 0, true);
      var path;

      if (cr > 0 && Math.abs(startAngle - endAngle) < 360) {
        path = getSectorWithCorner({
          cx: cx,
          cy: cy,
          innerRadius: innerRadius,
          outerRadius: outerRadius,
          cornerRadius: Math.min(cr, deltaRadius / 2),
          forceCornerRadius: forceCornerRadius,
          cornerIsExternal: cornerIsExternal,
          startAngle: startAngle,
          endAngle: endAngle
        });
      } else {
        path = getSectorPath({
          cx: cx,
          cy: cy,
          innerRadius: innerRadius,
          outerRadius: outerRadius,
          startAngle: startAngle,
          endAngle: endAngle
        });
      }

      return React.createElement("path", _extends({}, getPresentationAttributes(this.props), filterEventAttributes(this.props), {
        className: layerClass,
        d: path
      }));
    }
  }]);

  return Sector;
}(Component), _class2.displayName = 'Sector', _class2.propTypes = _objectSpread({}, PRESENTATION_ATTRIBUTES, {
  className: PropTypes.string,
  cx: PropTypes.number,
  cy: PropTypes.number,
  innerRadius: PropTypes.number,
  outerRadius: PropTypes.number,
  startAngle: PropTypes.number,
  endAngle: PropTypes.number,
  cornerRadius: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
  forceCornerRadius: PropTypes.bool,
  cornerIsExternal: PropTypes.bool
}), _class2.defaultProps = {
  cx: 0,
  cy: 0,
  innerRadius: 0,
  outerRadius: 0,
  startAngle: 0,
  endAngle: 0,
  cornerRadius: 0,
  forceCornerRadius: false,
  cornerIsExternal: false
}, _temp)) || _class;

export default Sector;