@vtx/cs-map/lib/line-flow-layer/LineFlowLayer.js

React components for Vortex

"use strict";

function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
var _cesium = require("cesium");
var _createFeatureCollection = require("../feature-layer/createFeatureCollection");
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
function _superPropGet(t, o, e, r) { var p = _get(_getPrototypeOf(1 & r ? t.prototype : t), o, e); return 2 & r && "function" == typeof p ? function (t) { return p.apply(e, t); } : p; }
function _get() { return _get = "undefined" != typeof Reflect && Reflect.get ? Reflect.get.bind() : function (e, t, r) { var p = _superPropBase(e, t); if (p) { var n = Object.getOwnPropertyDescriptor(p, t); return n.get ? n.get.call(arguments.length < 3 ? e : r) : n.value; } }, _get.apply(null, arguments); }
function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
function _superPropSet(t, e, o, r, p, f) { return _set(_getPrototypeOf(f ? t.prototype : t), e, o, r, p); }
function set(e, r, t, o) { return set = "undefined" != typeof Reflect && Reflect.set ? Reflect.set : function (e, r, t, o) { var f, i = _superPropBase(e, r); if (i) { if ((f = Object.getOwnPropertyDescriptor(i, r)).set) return f.set.call(o, t), !0; if (!f.writable) return !1; } if (f = Object.getOwnPropertyDescriptor(o, r)) { if (!f.writable) return !1; f.value = t, Object.defineProperty(o, r, f); } else _defineProperty(o, r, t); return !0; }, set(e, r, t, o); }
function _set(e, r, t, o, f) { if (!set(e, r, t, o || e) && f) throw new TypeError("failed to set property"); return t; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _superPropBase(t, o) { for (; !{}.hasOwnProperty.call(t, o) && null !== (t = _getPrototypeOf(t));); return t; }
function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
var LineFlowLayer = exports["default"] = /*#__PURE__*/function (_Primitive) {
  function LineFlowLayer(option) {
    var _this;
    _classCallCheck(this, LineFlowLayer);
    var fadeOutColor = option.fadeOutColor,
      fadeInColor = option.fadeInColor,
      _option$width = option.width,
      width = _option$width === void 0 ? 4.0 : _option$width,
      data = option.data,
      _option$fadeOutOpacit = option.fadeOutOpacity,
      fadeOutOpacity = _option$fadeOutOpacit === void 0 ? 1 : _option$fadeOutOpacit,
      _option$fadeInOpacity = option.fadeInOpacity,
      fadeInOpacity = _option$fadeInOpacity === void 0 ? 1 : _option$fadeInOpacity,
      _option$speed = option.speed,
      speed = _option$speed === void 0 ? 0.005 : _option$speed,
      key = option.id,
      name = option.name,
      labelField = option.labelField,
      template = option.template,
      legend = option.legend,
      _option$show = option.show,
      show = _option$show === void 0 ? true : _option$show,
      map = option.map,
      _option$layerControl = option.layerControl,
      layerControl = _option$layerControl === void 0 ? true : _option$layerControl;
    var instances = data.map(function (item) {
      var geometry = item.geometry;
      if (item.geometryInfo) {
        geometry = (0, _createFeatureCollection.transformGeometry)(item.geometryInfo);
      }
      var polyline = new _cesium.PolylineGeometry({
        positions: _cesium.Cartesian3.fromDegreesArray(geometry.coordinates.flat(Infinity)),
        width: width,
        arcType: _cesium.ArcType.GEODESIC
      });
      return new _cesium.GeometryInstance({
        geometry: polyline,
        values_: item,
        id: item.id
      });
    });
    var appearance = new _cesium.PolylineMaterialAppearance({
      material: _cesium.Material.fromType(_cesium.Material.FadeType, {
        repeat: true,
        fadeInColor: _cesium.Color.fromCssColorString(fadeInColor || 'rgb(255, 255, 255)').withAlpha(fadeInOpacity),
        fadeOutColor: _cesium.Color.fromCssColorString(fadeOutColor || 'rgb(16, 129, 255)').withAlpha(fadeOutOpacity),
        time: new _cesium.Cartesian2(0, 0),
        maximumDistance: 0.15 / 2.5,
        fadeDirection: {
          x: true,
          y: false
        }
      })
    });
    var primitive = new _cesium.Primitive({
      geometryInstances: instances,
      compressVertices: false,
      show: true,
      appearance: appearance,
      depthFailAppearance: appearance
    });
    var timex = 0;
    function render() {
      timex += speed; // 控制流动速度
      if (timex >= 1) {
        timex = 0; // 控制在0.0到1.0之间
      }
      primitive.appearance.material.uniforms.time.x = timex;
      (0, _cesium.requestAnimationFrame)(render);
    }
    (0, _cesium.requestAnimationFrame)(render);
    _this = _callSuper(this, LineFlowLayer, [primitive]);
    _superPropSet((_this, LineFlowLayer), "show", show, _this, 1, 1);

    // 图层标识
    _this.key = key;

    // 图层名称
    _this.name = name;

    // 标签字段
    _this.labelField = labelField;

    // 模版内容
    _this.template = template;
    _this.data = data;
    // 图例
    _this.legend = legend;
    _this.layerControl = layerControl;
    // 地图
    _this.map = map;
    return _this;
  }

  // 根据条件获取图形数据
  _inherits(LineFlowLayer, _Primitive);
  return _createClass(LineFlowLayer, [{
    key: "getFeatureByFieldValue",
    value: function getFeatureByFieldValue(field, value) {
      return this.getFeatures().find(function (v) {
        return v[field] === value;
      });
    }

    // 获取图形
  }, {
    key: "getFeatures",
    value: function getFeatures() {
      return this.data;
    }

    // 重写父类的属性访问器
  }, {
    key: "show",
    get: function get() {
      return _superPropGet(LineFlowLayer, "show", this, 1);
    },
    set: function set(value) {
      this.setVisible(value);
    }

    // 设置图层显示隐藏
  }, {
    key: "setVisible",
    value: function setVisible(visible) {
      _superPropSet(LineFlowLayer, "show", visible, this, 1, 1); // 将属性传递给父类

      var map = this.getMap && this.getMap();
      if (map) {
        map.layers.emit('visible', this, visible);
      }
    }

    // 获取地图
  }, {
    key: "getMap",
    value: function getMap() {
      return this.map;
    }
  }]);
}(_cesium.Primitive);
//# sourceMappingURL=LineFlowLayer.js.map