116 lines
3.5 KiB
JavaScript
116 lines
3.5 KiB
JavaScript
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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class MapControl {
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constructor(maplibreElement, interactive) {
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this.mapObj = null;
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this.mapEl = maplibreElement;
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this.interactiveMap = interactive == true;
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}
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static supported() {
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return maplibregl.supported();
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}
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createMap() {
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if (maplibregl.supported()) {
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$(this.mapEl).css("display", "");
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this.mapObj = maplibreMap(this.mapEl, this.interactiveMap);
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} else {
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console.log("maplibre-gl not supported, disabling map");
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$(this.mapEl).css("display", "none");
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}
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}
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/**
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* Clear all markers from the map, make a new marker, and fly to it.
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* @param {string} classname CSS class for the marker, for adding icon and stuff. Default will be invisible and 0x0px.
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* @param {number} latitude
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* @param {number} longitude
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* @param {boolean} accurate set true to zoom to street level (z13), false to zoom to general area (z10).
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* @returns {undefined}
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*/
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clearMarkersAndCenterMapOnNewMarker(classname, latitude, longitude, accurate) {
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this.mapObj.removeMarkers();
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this.mapObj.addMarker(latitude, longitude, classname);
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this.mapObj.animateMapIn(latitude, longitude, (accurate ? 13 : 10));
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}
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loadMarkersFromGeoJson(geojson, iconname, name) {
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this.mapObj.addSource("markers-" + name, {
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'type': 'geojson',
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'data': geojson
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});
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this.mapObj.addLayer({
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id: "marker-layer-" + name,
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type: "symbol",
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source: "markers-" + name,
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layout: {
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"icon-image": iconname,
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"icon-anchor": "bottom",
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'icon-allow-overlap': true
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}
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});
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}
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loadIcon(url, name, callback) {
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var mapObj = this.mapObj;
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this.mapObj.loadImage(
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url,
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function (error, image) {
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if (error)
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throw error;
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mapObj.addImage(name, image);
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callback();
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});
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}
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/**
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* Destroy and re-create the map.
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* @returns {undefined}
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*/
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reloadMap() {
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try {
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if (this.mapObj != null && typeof map != 'undefined') {
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this.mapObj.off();
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this.mapObj.remove();
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this.mapObj = null;
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if (document.getElementById("") != null) {
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this.createMap();
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} else {
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console.log("Info", "Not re-creating map because element is not in DOM.");
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}
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} else {
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this.createMap();
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}
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} catch (ex) {
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// oh well ¯\(°_o)/¯
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console.log(ex);
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$(this.mapEl).css("display", "none");
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}
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}
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setMapLocation(latitude, longitude) {
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if (this.mapObj == null) {
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return;
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}
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this.mapObj.setMapLocation(latitude, longitude);
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}
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animateMapIn(latitude, longitude, zoom, heading) {
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if (this.mapObj == null) {
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return;
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}
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if (typeof zoom == 'undefined') {
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zoom = 10;
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}
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if (typeof heading == 'undefined') {
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heading = 0;
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}
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this.mapObj.animateMapIn(latitude, longitude, zoom, heading);
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}
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} |