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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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|
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/**
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* AUTO-GENERATED FILE. DO NOT MODIFY.
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*/
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import { each, isString, createHashMap, hasOwn } from 'zrender/lib/core/util.js';
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import parseGeoJson from './parseGeoJson.js';
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// Built-in GEO fixer.
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import fixNanhai from './fix/nanhai.js';
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import fixTextCoord from './fix/textCoord.js';
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import fixDiaoyuIsland from './fix/diaoyuIsland.js';
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import BoundingRect from 'zrender/lib/core/BoundingRect.js';
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var DEFAULT_NAME_PROPERTY = 'name';
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var GeoJSONResource = /** @class */function () {
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function GeoJSONResource(mapName, geoJSON, specialAreas) {
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this.type = 'geoJSON';
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this._parsedMap = createHashMap();
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this._mapName = mapName;
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this._specialAreas = specialAreas;
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// PENDING: delay the parse to the first usage to rapid up the FMP?
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this._geoJSON = parseInput(geoJSON);
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}
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/**
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* @param nameMap can be null/undefined
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* @param nameProperty can be null/undefined
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*/
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GeoJSONResource.prototype.load = function (nameMap, nameProperty) {
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nameProperty = nameProperty || DEFAULT_NAME_PROPERTY;
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var parsed = this._parsedMap.get(nameProperty);
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if (!parsed) {
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var rawRegions = this._parseToRegions(nameProperty);
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parsed = this._parsedMap.set(nameProperty, {
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regions: rawRegions,
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boundingRect: calculateBoundingRect(rawRegions)
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});
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}
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var regionsMap = createHashMap();
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var finalRegions = [];
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each(parsed.regions, function (region) {
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var regionName = region.name;
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// Try use the alias in geoNameMap
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if (nameMap && hasOwn(nameMap, regionName)) {
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region = region.cloneShallow(regionName = nameMap[regionName]);
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}
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finalRegions.push(region);
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regionsMap.set(regionName, region);
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});
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return {
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regions: finalRegions,
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boundingRect: parsed.boundingRect || new BoundingRect(0, 0, 0, 0),
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regionsMap: regionsMap
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};
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};
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GeoJSONResource.prototype._parseToRegions = function (nameProperty) {
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var mapName = this._mapName;
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var geoJSON = this._geoJSON;
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var rawRegions;
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// https://jsperf.com/try-catch-performance-overhead
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try {
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rawRegions = geoJSON ? parseGeoJson(geoJSON, nameProperty) : [];
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} catch (e) {
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throw new Error('Invalid geoJson format\n' + e.message);
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}
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fixNanhai(mapName, rawRegions);
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each(rawRegions, function (region) {
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var regionName = region.name;
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fixTextCoord(mapName, region);
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fixDiaoyuIsland(mapName, region);
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// Some area like Alaska in USA map needs to be tansformed
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// to look better
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var specialArea = this._specialAreas && this._specialAreas[regionName];
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if (specialArea) {
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region.transformTo(specialArea.left, specialArea.top, specialArea.width, specialArea.height);
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}
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}, this);
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return rawRegions;
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};
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/**
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* Only for exporting to users.
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* **MUST NOT** used internally.
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*/
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GeoJSONResource.prototype.getMapForUser = function () {
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return {
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// For backward compatibility, use geoJson
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// PENDING: it has been returning them without clone.
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// do we need to avoid outsite modification?
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geoJson: this._geoJSON,
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geoJSON: this._geoJSON,
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specialAreas: this._specialAreas
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};
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};
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return GeoJSONResource;
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}();
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export { GeoJSONResource };
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function calculateBoundingRect(regions) {
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var rect;
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for (var i = 0; i < regions.length; i++) {
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var regionRect = regions[i].getBoundingRect();
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rect = rect || regionRect.clone();
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rect.union(regionRect);
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}
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return rect;
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}
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function parseInput(source) {
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return !isString(source) ? source : typeof JSON !== 'undefined' && JSON.parse ? JSON.parse(source) : new Function('return (' + source + ');')();
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}
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