103 lines
3.0 KiB
TypeScript
103 lines
3.0 KiB
TypeScript
/*
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* Copyright 2022 James Lyne
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import {LeafletMouseEvent} from "leaflet";
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import {GenericIcon} from "@/leaflet/icon/GenericIcon";
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import {GenericMarker} from "@/leaflet/marker/GenericMarker";
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import {LiveAtlasPointMarker} from "@/index";
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/**
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* Creates a {@link GenericMarker} with the given options
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* @param {LiveAtlasPointMarker} options Marker options
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* @param {Function} converter Function for projecting the marker location onto the map
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* @return The created GenericMarker
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*/
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export const createPointLayer = (options: LiveAtlasPointMarker, converter: Function): GenericMarker => {
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const marker = new GenericMarker(converter(options.location), options);
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marker.on('click', (e: LeafletMouseEvent) => {
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if(!e.target.getPopup() || e.target.isPopupOpen()) {
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e.target._map.panTo(e.target.getLatLng());
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}
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});
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if(options.popup) {
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marker.bindPopup(() => createPopup(options));
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}
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return marker;
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};
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/**
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* Updates or creates a {@link GenericMarker} with the given options
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* @param {?GenericMarker} marker Optional existing GenericMarker to update
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* @param {LiveAtlasPointMarker} options Marker options
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* @param {Function} converter Function for projecting the marker location onto the map
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* @returns The created or updated GenericMarker
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*/
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export const updatePointLayer = (marker: GenericMarker | undefined, options: LiveAtlasPointMarker, converter: Function): GenericMarker => {
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if (!marker) {
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return createPointLayer(options, converter);
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}
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const oldLocation = marker.getLatLng(),
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newLocation = converter(options.location);
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if(!oldLocation.equals(newLocation)) {
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marker.setLatLng(newLocation);
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}
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if(marker instanceof GenericMarker) {
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const icon = marker.getIcon();
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if(icon && icon instanceof GenericIcon) {
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icon.update({
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iconUrl: options.iconUrl,
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label: options.tooltipHTML || options.tooltip,
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iconSize: options.iconSize,
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iconAnchor: options.iconAnchor,
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isHtml: !!options.tooltipHTML,
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});
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}
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}
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marker.closePopup();
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marker.unbindPopup();
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if(options.popup) {
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marker.bindPopup(() => createPopup(options));
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}
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return marker;
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};
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/**
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* Creates a popup element for the given marker
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* @param {LiveAtlasPointMarker} options Marker options
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* @returns {HTMLSpanElement} The marker element
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* @private
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*/
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const createPopup = (options: LiveAtlasPointMarker) => {
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const popup = document.createElement('span');
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if (options.popup) {
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popup.classList.add('MarkerPopup');
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popup.insertAdjacentHTML('afterbegin', options.popup);
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}
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return popup;
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}
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