forked from oyd/ozgurkon-2020-site
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67 lines
1.7 KiB
67 lines
1.7 KiB
'use strict';
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{
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let initCalled;
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const callbackPromise = new Promise((r) => window.__initGoodMap = r);
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function loadGoogleMaps(apiKey) {
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if (!initCalled) {
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const script = document.createElement('script');
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script.src = 'https://maps.googleapis.com/maps/api/js?' +
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(apiKey ? `key=${apiKey}&` : '') +
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'callback=__initGoodMap';
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document.head.appendChild(script);
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initCalled = true;
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}
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return callbackPromise;
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}
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customElements.define('good-map', class extends HTMLElement {
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static get observedAttributes() {
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return ['api-key', 'zoom', 'latitude', 'longitude', 'map-options'];
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}
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attributeChangedCallback(name, oldVal, val) {
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switch (name) {
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case 'api-key':
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this.apiKey = val;
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break;
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case 'zoom':
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case 'latitude':
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case 'longitude':
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this[name] = parseFloat(val);
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break;
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case 'map-options':
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this.mapOptions = JSON.parse(val);
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break
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}
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}
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constructor() {
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super();
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this.map = null;
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this.apiKey = null;
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this.zoom = null;
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this.latitude = null;
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this.longitude = null;
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this.mapOptions = {};
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}
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connectedCallback() {
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loadGoogleMaps(this.apiKey).then(() => {
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if (!this.mapOptions.zoom) {
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this.mapOptions.zoom = this.zoom || 0;
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}
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if (!this.mapOptions.center) {
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this.mapOptions.center = {
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lat: this.latitude || 0,
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lng: this.longitude || 0
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};
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}
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this.map = new google.maps.Map(this, this.mapOptions);
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this.dispatchEvent(new CustomEvent('google-map-ready', { detail: this.map }));
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});
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}
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});
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} |