MaysWind
117 lines
3.7 KiB
JavaScript
117 lines
3.7 KiB
JavaScript
import { asyncLoadAssets } from "@/lib/misc.js";
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import services from "@/lib/services.js";
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import logger from '@/lib/logger.js';
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const baiduMapHolder = {
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BMap: null,
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BMAP_NAVIGATION_CONTROL_ZOOM: window.BMAP_NAVIGATION_CONTROL_ZOOM || 3,
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BMAP_ANCHOR_TOP_LEFT: window.BMAP_ANCHOR_TOP_LEFT || 0,
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COORDINATES_WGS84: window.COORDINATES_WGS84 || 1,
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COORDINATES_BD09: window.COORDINATES_BD09 || 5
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};
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export function loadBaiduMapAssets() {
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if (baiduMapHolder.BMap) {
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return;
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}
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if (!window.onBMapCallback) {
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window.onBMapCallback = () => {
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baiduMapHolder.BMap = window.BMap;
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};
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}
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return asyncLoadAssets('js', services.generateBaiduMapJavascriptUrl('onBMapCallback'));
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}
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export function createBaiduMapHolder() {
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return {
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mapProvider: 'baidumap',
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dependencyLoaded: !!baiduMapHolder.BMap,
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inited: false,
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defaultZoomLevel: 15,
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minZoomLevel: 1,
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baiduMapInstance: null,
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baiduMapConverter: null,
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baiduMapNavigationControl: null,
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baiduMapCenterMarker: null
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};
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}
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export function createBaiduMapInstance(mapHolder, mapContainer) {
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if (!baiduMapHolder.BMap) {
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return null;
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}
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const BMap = baiduMapHolder.BMap;
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const baiduMapInstance = new BMap.Map(mapContainer, {
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maxZoom: 19
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});
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baiduMapInstance.enableScrollWheelZoom();
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const baiduMapNavigationControl = new BMap.NavigationControl({
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type: baiduMapHolder.BMAP_NAVIGATION_CONTROL_ZOOM,
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anchor: baiduMapHolder.BMAP_ANCHOR_TOP_LEFT
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});
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baiduMapInstance.addControl(baiduMapNavigationControl);
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mapHolder.baiduMapInstance = baiduMapInstance;
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mapHolder.baiduMapConverter = new BMap.Convertor();
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mapHolder.inited = true;
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}
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export function setBaiduMapCenterTo(mapHolder, center, zoomLevel) {
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if (!baiduMapHolder.BMap || !mapHolder.baiduMapInstance) {
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return;
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}
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const BMap = baiduMapHolder.BMap;
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const centerPoint = new BMap.Point(center.longitude, center.latitude);
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if (mapHolder.baiduMapConverter) {
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mapHolder.baiduMapConverter.translate([ centerPoint ], baiduMapHolder.COORDINATES_WGS84, baiduMapHolder.COORDINATES_BD09, data => {
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if (data.status !== 0) {
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logger.warn('baidu map geo position convert failed');
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}
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const actualPoint = (data.status === 0 ? data.points[0] : centerPoint);
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mapHolder.baiduMapInstance.centerAndZoom(actualPoint, zoomLevel);
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});
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} else {
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mapHolder.baiduMapInstance.centerAndZoom(centerPoint, zoomLevel);
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}
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}
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export function setBaiduMapCenterMaker(mapHolder, position) {
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if (!baiduMapHolder.BMap || !mapHolder.baiduMapInstance) {
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return;
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}
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const BMap = baiduMapHolder.BMap;
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const markerPoint = new BMap.Point(position.longitude, position.latitude);
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mapHolder.baiduMapConverter.translate([ markerPoint ], baiduMapHolder.COORDINATES_WGS84, baiduMapHolder.COORDINATES_BD09, data => {
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if (data.status !== 0) {
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logger.warn('baidu map geo position convert failed');
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}
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const actualPoint = (data.status === 0 ? data.points[0] : markerPoint);
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if (!mapHolder.baiduMapCenterMarker) {
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mapHolder.baiduMapCenterMarker = new BMap.Marker(actualPoint);
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mapHolder.baiduMapInstance.addOverlay(mapHolder.baiduMapCenterMarker);
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} else {
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mapHolder.baiduMapCenterMarker.setPosition(actualPoint);
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}
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});
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}
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export function removeBaiduMapCenterMaker(mapHolder) {
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if (!mapHolder.baiduMapInstance || !mapHolder.baiduMapCenterMarker) {
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return;
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}
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mapHolder.baiduMapInstance.removeOverlay(mapHolder.baiduMapCenterMarker);
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mapHolder.baiduMapCenterMarker = null;
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}
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