@nebula.gl/layers/dist/mode-handlers/draw-circle-from-center-handler.js

A suite of 3D-enabled data editing layers, suitable for deck.gl

"use strict";

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

var _circle = _interopRequireDefault(require("@turf/circle"));

var _distance = _interopRequireDefault(require("@turf/distance"));

var _twoClickPolygonHandler = require("./two-click-polygon-handler");

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

function _typeof(obj) { "@babel/helpers - typeof"; 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 _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 _createSuper(Derived) { return function () { var Super = _getPrototypeOf(Derived), result; if (_isNativeReflectConstruct()) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

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 _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }

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); }

// TODO edit-modes: delete handlers once EditMode fully implemented
var DrawCircleFromCenterHandler = /*#__PURE__*/function (_TwoClickPolygonHandl) {
  _inherits(DrawCircleFromCenterHandler, _TwoClickPolygonHandl);

  var _super = _createSuper(DrawCircleFromCenterHandler);

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

    return _super.apply(this, arguments);
  }

  _createClass(DrawCircleFromCenterHandler, [{
    key: "handlePointerMove",
    value: function handlePointerMove(event) {
      var result = {
        editAction: null,
        cancelMapPan: false
      };
      var clickSequence = this.getClickSequence();

      if (clickSequence.length === 0) {
        // nothing to do yet
        return result;
      }

      var modeConfig = this.getModeConfig() || {}; // Default turf value for circle is 64

      var _modeConfig$steps = modeConfig.steps,
          steps = _modeConfig$steps === void 0 ? 64 : _modeConfig$steps;
      var options = {
        steps: steps
      };

      if (steps < 4) {
        console.warn("Minimum steps to draw a circle is 4 "); // eslint-disable-line no-console,no-undef

        options.steps = 4;
      }

      var centerCoordinates = clickSequence[0];
      var radius = Math.max((0, _distance["default"])(centerCoordinates, event.groundCoords), 0.001);

      this._setTentativeFeature((0, _circle["default"])(centerCoordinates, radius, options));

      return result;
    }
  }]);

  return DrawCircleFromCenterHandler;
}(_twoClickPolygonHandler.TwoClickPolygonHandler);

exports.DrawCircleFromCenterHandler = DrawCircleFromCenterHandler;
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