antv-l7/lib/core/controller/tile_mapping.js

292 lines
9.9 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _util = _interopRequireDefault(require("../../util"));
var _global = _interopRequireDefault(require("../../global"));
var _scale = _interopRequireDefault(require("./scale"));
var _base = _interopRequireDefault(require("../base"));
var _index = _interopRequireDefault(require("../../attr/index"));
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 ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(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 TileMapping =
/*#__PURE__*/
function (_Base) {
_inherits(TileMapping, _Base);
function TileMapping(source, cfg) {
var _this;
_classCallCheck(this, TileMapping);
_this = _possibleConstructorReturn(this, _getPrototypeOf(TileMapping).call(this, cfg));
_this.source = source;
_this._init();
return _this;
}
_createClass(TileMapping, [{
key: "_init",
value: function _init() {
this._initControllers();
this._initTileAttrs();
this._mapping();
}
}, {
key: "update",
value: function update() {
this.set('scales', {});
this._initTileAttrs();
this._updateMaping();
}
}, {
key: "_initControllers",
value: function _initControllers() {
var scalesOption = this.get('scaleOptions');
var scaleController = new _scale["default"]({
defs: _objectSpread({}, scalesOption)
});
this.set('scaleController', scaleController);
}
}, {
key: "_createScale",
value: function _createScale(field) {
var scales = this.get('scales');
this._initControllers(); // scale更新
var scale = scales[field];
if (!scale) {
scale = this.createScale(field);
scales[field] = scale;
}
return scale;
}
}, {
key: "createScale",
value: function createScale(field) {
var data = this.source.data.dataArray;
var scales = this.get('scales');
var scale = scales[field];
var scaleController = this.get('scaleController');
if (!scale) {
scale = scaleController.createScale(field, data);
scales[field] = scale;
}
return scale;
} // 获取属性映射的值
}, {
key: "_getAttrValues",
value: function _getAttrValues(attr, record) {
var scales = attr.scales;
var params = [];
for (var i = 0; i < scales.length; i++) {
var scale = scales[i];
var field = scale.field;
if (scale.type === 'identity') {
params.push(scale.value);
} else {
params.push(record[field]);
}
}
var indexZoom = params.indexOf('zoom');
indexZoom !== -1 ? params[indexZoom] = attr.zoom : null;
var values = attr.mapping.apply(attr, params);
return values;
}
}, {
key: "_mapping",
value: function _mapping() {
var attrs = this.get('attrs');
var mappedData = [];
var data = this.source.data.dataArray;
for (var i = 0; i < data.length; i++) {
var record = data[i];
var newRecord = {};
newRecord.id = data[i]._id;
for (var k in attrs) {
if (attrs.hasOwnProperty(k)) {
var attr = attrs[k];
var names = attr.names;
var values = this._getAttrValues(attr, record);
if (names.length > 1) {
// position 之类的生成多个字段的属性
for (var j = 0; j < values.length; j++) {
var val = values[j];
var name = names[j];
newRecord[name] = _util["default"].isArray(val) && val.length === 1 ? val[0] : val; // 只有一个值时返回第一个属性值
}
} else {
newRecord[names[0]] = values.length === 1 ? values[0] : values;
}
}
}
newRecord.coordinates = record.coordinates;
mappedData.push(newRecord);
} // 通过透明度过滤数据
if (attrs.hasOwnProperty('filter')) {
mappedData.forEach(function (item) {
if (item.filter === false) {
item.color[3] = 0;
item.id = -item.id;
}
});
}
this.layerData = mappedData;
}
/**
* 更新数据maping
* @param {*} layerSource 数据源
* @param {*} layer map
*/
}, {
key: "_updateMaping",
value: function _updateMaping() {
var attrs = this.get('attrs');
var data = this.source.data.dataArray;
var layerData = this.layerData;
for (var i = 0; i < data.length; i++) {
var record = data[i];
for (var attrName in attrs) {
if (attrs.hasOwnProperty(attrName) && attrs[attrName].neadUpdate) {
var attr = attrs[attrName];
var names = attr.names;
var values = this._getAttrValues(attr, record);
if (names.length > 1) {
// position 之类的生成多个字段的属性
for (var j = 0; j < values.length; j++) {
var val = values[j];
var name = names[j];
layerData[i][name] = _util["default"].isArray(val) && val.length === 1 ? val[0] : val; // 只有一个值时返回第一个属性值
}
} else {
layerData[i][names[0]] = values.length === 1 ? values[0] : values;
}
attr.neadUpdate = true;
}
}
}
}
}, {
key: "_initTileAttrs",
value: function _initTileAttrs() {
var attrOptions = this.get('attrOptions');
for (var type in attrOptions) {
if (attrOptions.hasOwnProperty(type)) {
this._updateTileAttr(type);
}
}
}
}, {
key: "_updateTileAttr",
value: function _updateTileAttr(type) {
var self = this;
var attrs = this.get('attrs');
var attrOptions = this.get('attrOptions');
var option = attrOptions[type];
option.neadUpdate = true;
var className = _util["default"].upperFirst(type);
var fields = this._parseFields(option.field);
var scales = [];
for (var i = 0; i < fields.length; i++) {
var field = fields[i];
var scale = self._createScale(field);
if (type === 'color' && _util["default"].isNil(option.values)) {
// 设置 color 的默认色值
option.values = _global["default"].colors;
}
scales.push(scale);
}
option.scales = scales;
var attr = new _index["default"][className](option);
attrs[type] = attr;
}
}, {
key: "_parseFields",
value: function _parseFields(field) {
if (_util["default"].isArray(field)) {
return field;
}
if (_util["default"].isString(field)) {
return field.split('*');
}
return [field];
}
}]);
return TileMapping;
}(_base["default"]);
exports["default"] = TileMapping;