Files

1439 lines
48 KiB
JavaScript

import Spiderfy from './vendor/map-gl-js-spiderfy.js';
const MAP_SELECTOR = '[data-eventmanager-map="1"]';
const MAPLIBRE_CSS_URL = 'https://maps.mummert.media/libraries/maplibre-gl.css';
const MAPLIBRE_JS_URL = 'https://maps.mummert.media/libraries/maplibre-gl.js';
const PMTILES_JS_URL = 'https://maps.mummert.media/libraries/pmtiles.js';
const GLYPH_FONTSTACK = 'Noto Sans Regular';
const DEFAULT_CENTER = [13.404954, 52.520008];
const DEFAULT_ZOOM = 6;
const DEFAULT_EVENT_COLOR = '#BC5067';
const EVENT_FADE_DURATION_MS = 200;
const EVENT_CLUSTER_LAYER_ID = 'eventmanager-events-clusters';
const EVENT_UNCLUSTERED_LAYER_ID = 'eventmanager-events-unclustered';
const SATELLITE_SOURCE_ID = 'eventmanager-satellite-source';
const SATELLITE_LAYER_ID = 'eventmanager-satellite-layer';
const SATELLITE_TILE_URL = 'https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}';
const SATELLITE_LABELS_SOURCE_ID = 'eventmanager-satellite-labels-source';
const SATELLITE_LABELS_LAYER_ID = 'eventmanager-satellite-labels-layer';
const SATELLITE_LABELS_TILE_URL = 'https://services.arcgisonline.com/ArcGIS/rest/services/Reference/World_Boundaries_and_Places/MapServer/tile/{z}/{y}/{x}';
const SATELLITE_ROADS_SOURCE_ID = 'eventmanager-satellite-roads-source';
const SATELLITE_ROADS_LAYER_ID = 'eventmanager-satellite-roads-layer';
const SATELLITE_ROADS_TILE_URL = 'https://services.arcgisonline.com/ArcGIS/rest/services/Reference/World_Transportation/MapServer/tile/{z}/{y}/{x}';
const SATELLITE_ATTRIBUTION = '© Esri, Maxar';
const PROTOMAPS_SOURCE_ID = 'protomaps';
const DEFAULT_BASE_STYLE_URL = 'https://maps.mummert.media/metadaten/world-light.json';
const PROTOMAPS_PM_TILES_URL = 'pmtiles://https://maps.mummert.media/tiles/world.pmtiles';
const PROTOMAPS_ATTRIBUTION = '<a href="https://github.com/protomaps/basemaps">Protomaps</a> © <a href="https://openstreetmap.org">OpenStreetMap</a>';
const PROTOMAPS_GLYPHS_URL = 'https://maps.mummert.media/fonts/{fontstack}/{range}.pbf';
const PROTOMAPS_SPRITE_URL = 'https://maps.mummert.media/sprites/v4/light';
const PROTOMAPS_FLAVOR_URL = 'https://maps.mummert.media/metadaten/flavors/bio.json';
const PROTOMAPS_BASEMAPS_ESM_URLS = [
'https://cdn.jsdelivr.net/npm/@protomaps/basemaps@5/+esm',
'https://esm.sh/@protomaps/basemaps@5',
];
const PROTOMAPS_BASEMAPS_UMD_URL = 'https://unpkg.com/@protomaps/basemaps@5/dist/basemaps.js';
let dependenciesPromise = null;
let basemapsApiPromise = null;
const protomapsStylePromises = new Map();
const getBasemapsApi = async () => {
if (basemapsApiPromise) {
return basemapsApiPromise;
}
basemapsApiPromise = (async () => {
for (const url of PROTOMAPS_BASEMAPS_ESM_URLS) {
try {
const module = await import(url);
const moduleApi = module && 'object' === typeof module
? (module.layers ? module : (module.default && module.default.layers ? module.default : null))
: null;
if (moduleApi && 'function' === typeof moduleApi.layers) {
return moduleApi;
}
} catch (error) {
continue;
}
}
await loadScript(PROTOMAPS_BASEMAPS_UMD_URL);
if (window.basemaps && 'function' === typeof window.basemaps.layers) {
return window.basemaps;
}
throw new Error('Failed to load Protomaps basemaps API');
})();
basemapsApiPromise = basemapsApiPromise.catch((error) => {
basemapsApiPromise = null;
throw error;
});
return basemapsApiPromise;
};
const ensureStylesheet = (href) => {
if (!href) {
return;
}
const existing = document.querySelector(`link[rel="stylesheet"][href="${href}"]`);
if (existing) {
return;
}
const link = document.createElement('link');
link.rel = 'stylesheet';
link.href = href;
document.head.appendChild(link);
};
const loadScript = (src) => new Promise((resolve, reject) => {
if (!src) {
resolve();
return;
}
const existing = document.querySelector(`script[src="${src}"]`);
if (existing) {
if (existing.dataset.loaded === '1') {
resolve();
return;
}
existing.addEventListener('load', () => resolve(), { once: true });
existing.addEventListener('error', () => reject(new Error(`Failed to load script: ${src}`)), { once: true });
return;
}
const script = document.createElement('script');
script.src = src;
script.async = true;
script.addEventListener('load', () => {
script.dataset.loaded = '1';
resolve();
}, { once: true });
script.addEventListener('error', () => reject(new Error(`Failed to load script: ${src}`)), { once: true });
document.head.appendChild(script);
});
const ensureDependencies = async () => {
if (dependenciesPromise) {
return dependenciesPromise;
}
dependenciesPromise = (async () => {
ensureStylesheet(MAPLIBRE_CSS_URL);
if (typeof maplibregl === 'undefined') {
await loadScript(MAPLIBRE_JS_URL);
}
if (typeof pmtiles === 'undefined') {
await loadScript(PMTILES_JS_URL);
}
})();
return dependenciesPromise;
};
const getProtomapsStyle = async (baseStyleUrl = DEFAULT_BASE_STYLE_URL) => {
const normalizedBaseStyleUrl = String(baseStyleUrl || DEFAULT_BASE_STYLE_URL).trim() || DEFAULT_BASE_STYLE_URL;
if (protomapsStylePromises.has(normalizedBaseStyleUrl)) {
return protomapsStylePromises.get(normalizedBaseStyleUrl);
}
const stylePromise = (async () => {
const baseStyleResponse = await fetch(normalizedBaseStyleUrl, { credentials: 'omit' });
if (!baseStyleResponse.ok) {
throw new Error(`Failed to load base map style: ${baseStyleResponse.status}`);
}
const baseStyle = await baseStyleResponse.json();
const baseSources = baseStyle?.sources && 'object' === typeof baseStyle.sources
? baseStyle.sources
: {};
const protomapsSource = baseSources[PROTOMAPS_SOURCE_ID] && 'object' === typeof baseSources[PROTOMAPS_SOURCE_ID]
? baseSources[PROTOMAPS_SOURCE_ID]
: {
type: 'vector',
attribution: PROTOMAPS_ATTRIBUTION,
url: PROTOMAPS_PM_TILES_URL,
};
try {
const basemapsApi = await getBasemapsApi();
const flavorResponse = await fetch(PROTOMAPS_FLAVOR_URL, { credentials: 'omit' });
if (!flavorResponse.ok) {
throw new Error(`Failed to load Protomaps flavor: ${flavorResponse.status}`);
}
const flavor = await flavorResponse.json();
const generatedLayers = basemapsApi.layers(PROTOMAPS_SOURCE_ID, flavor, { lang: 'de' });
return {
...baseStyle,
version: 8,
glyphs: baseStyle?.glyphs || PROTOMAPS_GLYPHS_URL,
sprite: baseStyle?.sprite || PROTOMAPS_SPRITE_URL,
sources: {
...baseSources,
[PROTOMAPS_SOURCE_ID]: protomapsSource,
},
layers: generatedLayers,
};
} catch (error) {
return baseStyle;
}
})();
const cachedStylePromise = stylePromise.catch((error) => {
protomapsStylePromises.delete(normalizedBaseStyleUrl);
throw error;
});
protomapsStylePromises.set(normalizedBaseStyleUrl, cachedStylePromise);
return cachedStylePromise;
};
const rewriteGlyphUrl = (url) => {
if (!url) {
return url;
}
const match = url.match(/\/fonts\/[^/]+\/(\d+-\d+\.pbf)(\?.*)?$/);
if (!match) {
return url;
}
const range = match[1];
const query = match[2] || '';
const base = url.slice(0, match.index);
return `${base}/fonts/${encodeURIComponent(GLYPH_FONTSTACK)}/${range}${query}`;
};
const escapeHtml = (value) => {
const stringValue = String(value ?? '');
return stringValue
.replace(/&/g, '&amp;')
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/"/g, '&quot;')
.replace(/'/g, '&#039;');
};
const decodeHtmlEntities = (value) => {
const stringValue = String(value ?? '');
if ('undefined' === typeof document || !document.createElement) {
return stringValue;
}
const textarea = document.createElement('textarea');
textarea.innerHTML = stringValue;
return textarea.value;
};
const sanitizeDisplayText = (value) => escapeHtml(decodeHtmlEntities(value));
const parseItems = (container) => {
const dataElementId = container.dataset.mapDataId || '';
if (!dataElementId) {
return [];
}
const payload = document.getElementById(dataElementId);
if (!payload) {
return [];
}
try {
const parsed = JSON.parse(payload.textContent || '[]');
if (!Array.isArray(parsed)) {
return [];
}
const unique = new Map();
parsed.forEach((item) => {
if (!item || !['event', 'organisation'].includes(item.type)) {
return;
}
const id = Number(item.id || 0);
const latitude = Number(item.latitude);
const longitude = Number(item.longitude);
if (!Number.isFinite(id) || id <= 0 || !Number.isFinite(latitude) || !Number.isFinite(longitude)) {
return;
}
unique.set(`${item.type}:${id}`, {
type: item.type,
markerType: String(item.markerType || item.type || ''),
id,
title: String(item.title || ''),
latitude,
longitude,
extra: item.extra && typeof item.extra === 'object' ? item.extra : {},
});
});
return Array.from(unique.values());
} catch (error) {
return [];
}
};
const parseCoordinate = (value) => {
const normalized = String(value ?? '').trim().replace(',', '.');
const parsed = Number(normalized);
return Number.isFinite(parsed) ? parsed : null;
};
const normalizeHexColor = (value, fallback = DEFAULT_EVENT_COLOR) => {
const normalized = String(value || '').trim().toUpperCase();
if (/^#[0-9A-F]{6}$/.test(normalized)) {
return normalized;
}
if (/^[0-9A-F]{6}$/.test(normalized)) {
return `#${normalized}`;
}
if (/^#[0-9A-F]{3}$/.test(normalized)) {
return `#${normalized[1]}${normalized[1]}${normalized[2]}${normalized[2]}${normalized[3]}${normalized[3]}`;
}
if (/^[0-9A-F]{3}$/.test(normalized)) {
return `#${normalized[0]}${normalized[0]}${normalized[1]}${normalized[1]}${normalized[2]}${normalized[2]}`;
}
return fallback;
};
const applyDefaultProjection = (map) => {
if (!map || typeof map.setProjection !== 'function') {
return;
}
const hasGlobeProjection = () => {
if (typeof map.getProjection !== 'function') {
return false;
}
const projection = map.getProjection();
const projectionName = String(projection?.type || projection?.name || '').toLowerCase();
return 'globe' === projectionName;
};
let globeApplied = false;
try {
map.setProjection({ type: 'globe' });
globeApplied = hasGlobeProjection();
} catch (error) {
}
if (!globeApplied) {
try {
map.setProjection('globe');
globeApplied = hasGlobeProjection();
} catch (error) {
}
}
if (!globeApplied) {
return;
}
if (typeof map.setFog === 'function') {
try {
map.setFog({
color: 'rgb(186, 210, 235)',
'high-color': 'rgb(36, 92, 223)',
'horizon-blend': 0.08,
'space-color': 'rgb(11, 11, 25)',
'star-intensity': 0.2,
});
} catch (error) {
}
}
if (typeof map.setSky === 'function') {
try {
map.setSky({
'sky-color': '#87ceeb',
'horizon-color': '#ffffff',
'fog-color': '#dff6ff',
'fog-ground-blend': 0.2,
'sky-horizon-blend': 0.4,
});
} catch (error) {
}
}
};
const ensureSatelliteLayer = (map) => {
if (!map || map.getSource(SATELLITE_SOURCE_ID)) {
return;
}
map.addSource(SATELLITE_SOURCE_ID, {
type: 'raster',
tiles: [SATELLITE_TILE_URL],
tileSize: 256,
attribution: SATELLITE_ATTRIBUTION,
});
const markerLayerCandidates = [
EVENT_CLUSTER_LAYER_ID,
EVENT_UNCLUSTERED_LAYER_ID,
];
const beforeId = markerLayerCandidates.find((layerId) => map.getLayer(layerId));
map.addLayer({
id: SATELLITE_LAYER_ID,
type: 'raster',
source: SATELLITE_SOURCE_ID,
layout: {
visibility: 'none',
},
paint: {
'raster-opacity': 1,
'raster-brightness-min': 0,
'raster-brightness-max': 1,
'raster-contrast': 0,
'raster-saturation': 0,
},
}, beforeId);
map.addSource(SATELLITE_ROADS_SOURCE_ID, {
type: 'raster',
tiles: [SATELLITE_ROADS_TILE_URL],
tileSize: 256,
attribution: SATELLITE_ATTRIBUTION,
});
map.addLayer({
id: SATELLITE_ROADS_LAYER_ID,
type: 'raster',
source: SATELLITE_ROADS_SOURCE_ID,
layout: {
visibility: 'none',
},
paint: {
'raster-opacity': 1,
},
}, beforeId);
map.addSource(SATELLITE_LABELS_SOURCE_ID, {
type: 'raster',
tiles: [SATELLITE_LABELS_TILE_URL],
tileSize: 256,
attribution: SATELLITE_ATTRIBUTION,
});
map.addLayer({
id: SATELLITE_LABELS_LAYER_ID,
type: 'raster',
source: SATELLITE_LABELS_SOURCE_ID,
layout: {
visibility: 'none',
},
paint: {
'raster-opacity': 1,
},
}, beforeId);
};
const setSatelliteMode = (map, enabled) => {
if (!map) {
return;
}
ensureSatelliteLayer(map);
if (!map.getLayer(SATELLITE_LAYER_ID)) {
return;
}
const hybridOverlayLayerIds = [SATELLITE_ROADS_LAYER_ID, SATELLITE_LABELS_LAYER_ID];
map.setLayoutProperty(SATELLITE_LAYER_ID, 'visibility', enabled ? 'visible' : 'none');
hybridOverlayLayerIds.forEach((layerId) => {
if (map.getLayer(layerId)) {
map.setLayoutProperty(layerId, 'visibility', enabled ? 'visible' : 'none');
map.setPaintProperty(layerId, 'raster-opacity-transition', { duration: EVENT_FADE_DURATION_MS, delay: 0 });
map.setPaintProperty(layerId, 'raster-opacity', enabled ? 1 : 0);
}
});
map.setPaintProperty(SATELLITE_LAYER_ID, 'raster-opacity-transition', { duration: EVENT_FADE_DURATION_MS, delay: 0 });
map.setPaintProperty(SATELLITE_LAYER_ID, 'raster-brightness-min-transition', { duration: EVENT_FADE_DURATION_MS, delay: 0 });
map.setPaintProperty(SATELLITE_LAYER_ID, 'raster-brightness-max-transition', { duration: EVENT_FADE_DURATION_MS, delay: 0 });
map.setPaintProperty(SATELLITE_LAYER_ID, 'raster-contrast-transition', { duration: EVENT_FADE_DURATION_MS, delay: 0 });
map.setPaintProperty(SATELLITE_LAYER_ID, 'raster-saturation-transition', { duration: EVENT_FADE_DURATION_MS, delay: 0 });
if (!enabled) {
return;
}
map.setPaintProperty(SATELLITE_LAYER_ID, 'raster-brightness-min', 0);
map.setPaintProperty(SATELLITE_LAYER_ID, 'raster-brightness-max', 1);
map.setPaintProperty(SATELLITE_LAYER_ID, 'raster-contrast', 0);
map.setPaintProperty(SATELLITE_LAYER_ID, 'raster-saturation', 0);
};
const normalizeTagIds = (value) => {
if (!Array.isArray(value)) {
return [];
}
const unique = new Set();
value.forEach((rawValue) => {
const normalized = String(rawValue ?? '').trim();
if (normalized !== '' && /^\d+$/.test(normalized)) {
unique.add(normalized);
}
});
return Array.from(unique.values());
};
const getMarkerImageId = (prefix, color) => `${prefix}-${String(color || '').replace('#', '').toLowerCase() || 'default'}`;
const SVG_MARKER_WIDTH = 68;
const SVG_MARKER_HEIGHT = 104;
const createPinSvgDataUrl = (color, options = {}) => {
const withInnerDot = options.withInnerDot !== false;
const innerDotMarkup = withInnerDot
? '<g transform="translate(8.0, 8.0)"><circle fill="#000000" opacity="0.25" cx="5.5" cy="5.5" r="5.4999962"></circle><circle fill="#FFFFFF" cx="5.5" cy="5.5" r="5.4999962"></circle></g>'
: '';
const svg = `<svg xmlns="http://www.w3.org/2000/svg" display="block" width="27" height="41" viewBox="0 0 27 41"><g fill-rule="nonzero"><g transform="translate(3.0, 29.0)" fill="#000000"><ellipse opacity="0.04" cx="10.5" cy="5.80029008" rx="10.5" ry="5.25002273"></ellipse><ellipse opacity="0.04" cx="10.5" cy="5.80029008" rx="10.5" ry="5.25002273"></ellipse><ellipse opacity="0.04" cx="10.5" cy="5.80029008" rx="9.5" ry="4.77275007"></ellipse><ellipse opacity="0.04" cx="10.5" cy="5.80029008" rx="8.5" ry="4.29549936"></ellipse><ellipse opacity="0.04" cx="10.5" cy="5.80029008" rx="7.5" ry="3.81822308"></ellipse><ellipse opacity="0.04" cx="10.5" cy="5.80029008" rx="6.5" ry="3.34094679"></ellipse><ellipse opacity="0.04" cx="10.5" cy="5.80029008" rx="5.5" ry="2.86367051"></ellipse><ellipse opacity="0.04" cx="10.5" cy="5.80029008" rx="4.5" ry="2.38636864"></ellipse></g><g fill="${color}"><path d="M27,13.5 C27,19.074644 20.250001,27.000002 14.75,34.500002 C14.016665,35.500004 12.983335,35.500004 12.25,34.500002 C6.7499993,27.000002 0,19.222562 0,13.5 C0,6.0441559 6.0441559,0 13.5,0 C20.955844,0 27,6.0441559 27,13.5 Z"></path></g><g opacity="0.25" fill="#000000"><path d="M13.5,0 C6.0441559,0 0,6.0441559 0,13.5 C0,19.222562 6.7499993,27 12.25,34.5 C13,35.522727 14.016664,35.500004 14.75,34.5 C20.250001,27 27,19.074644 27,13.5 C27,6.0441559 20.955844,0 13.5,0 Z M13.5,1 C20.415404,1 26,6.584596 26,13.5 C26,15.898657 24.495584,19.181431 22.220703,22.738281 C19.945823,26.295132 16.705119,30.142167 13.943359,33.908203 C13.743445,34.180814 13.612715,34.322738 13.5,34.441406 C13.387285,34.322738 13.256555,34.180814 13.056641,33.908203 C10.284481,30.127985 7.4148684,26.314159 5.015625,22.773438 C2.6163816,19.232715 1,15.953538 1,13.5 C1,6.584596 6.584596,1 13.5,1 Z"></path></g>${innerDotMarkup}</g></svg>`;
return `data:image/svg+xml;charset=utf-8,${encodeURIComponent(svg)}`;
};
const loadSvgImageData = (dataUrl) => new Promise((resolve, reject) => {
const image = new Image();
image.onload = () => {
const canvas = document.createElement('canvas');
canvas.width = SVG_MARKER_WIDTH;
canvas.height = SVG_MARKER_HEIGHT;
const context = canvas.getContext('2d');
if (!context) {
reject(new Error('Failed to get canvas context for SVG marker'));
return;
}
context.clearRect(0, 0, SVG_MARKER_WIDTH, SVG_MARKER_HEIGHT);
context.drawImage(image, 0, 0, SVG_MARKER_WIDTH, SVG_MARKER_HEIGHT);
resolve(context.getImageData(0, 0, SVG_MARKER_WIDTH, SVG_MARKER_HEIGHT));
};
image.onerror = () => reject(new Error('Failed to load SVG marker image'));
image.src = dataUrl;
});
const ensureMarkerImage = (map, color, prefix = 'eventmanager-marker', options = {}) => {
const imageId = getMarkerImageId(prefix, color);
if (map.hasImage(imageId)) {
return Promise.resolve(imageId);
}
const dataUrl = createPinSvgDataUrl(color, options);
return loadSvgImageData(dataUrl)
.then((imageData) => {
if (!map.hasImage(imageId)) {
map.addImage(imageId, imageData, { pixelRatio: 2 });
}
return imageId;
});
};
const popupHtmlFor = (item) => {
if (item.type === 'event') {
const title = sanitizeDisplayText(item.title || '');
const locationTitle = sanitizeDisplayText(item.extra.locationTitle || '');
const startDate = sanitizeDisplayText(item.extra.startDate || '');
const detailUrl = String(item.extra.detailUrl || '').trim();
const hasDetailUrl = /^(https?:\/\/|\/)/i.test(detailUrl);
const detailLink = hasDetailUrl
? `<div><a href="${escapeHtml(detailUrl)}">mehr Infos</a></div>`
: '';
return [
`<strong>${title}</strong>`,
locationTitle ? `<div>${locationTitle}</div>` : '',
startDate ? `<div>${startDate}</div>` : '',
detailLink,
].join('');
}
if (item.type === 'organisation') {
const title = sanitizeDisplayText(item.title || '');
const detailUrl = String(item.extra?.detailUrl || '').trim();
const hasDetailUrl = /^(https?:\/\/|\/)/i.test(detailUrl);
const detailLink = hasDetailUrl
? `<div><a href="${escapeHtml(detailUrl)}">mehr Infos</a></div>`
: '';
return [
`<strong>${title}</strong>`,
detailLink,
].join('');
}
return `<strong>${sanitizeDisplayText(item.title)}</strong>`;
};
const toFeature = (item) => ({
type: 'Feature',
geometry: {
type: 'Point',
coordinates: [item.longitude, item.latitude],
},
properties: {
id: item.id,
type: item.type,
markerType: item.markerType,
markerTagIds: Array.isArray(item.extra?.organizationTagIds) ? item.extra.organizationTagIds : [],
markerTagLabels: Array.isArray(item.extra?.organizationTagLabels) ? item.extra.organizationTagLabels : [],
title: item.title,
latitude: item.latitude,
popupHtml: popupHtmlFor(item),
},
});
const initOrganizationMarkers = (map, organizationItems, organizationColor, openPopup) => {
if (!organizationItems.length) {
return {
setOnlyTagId: () => {},
setAllVisible: () => {},
setVisible: () => {},
};
}
const sortedOrganizationItems = [...organizationItems].sort((firstItem, secondItem) => secondItem.latitude - firstItem.latitude);
const markerEntries = sortedOrganizationItems.map((item) => {
const popupHtml = popupHtmlFor(item);
const marker = new maplibregl.Marker(organizationColor ? { color: organizationColor } : undefined)
.setLngLat([item.longitude, item.latitude]);
marker.addTo(map);
const markerElement = marker.getElement();
if (markerElement) {
markerElement.style.zIndex = String(Math.round((90 - item.latitude) * 1000));
markerElement.style.cursor = 'pointer';
if (popupHtml && typeof openPopup === 'function') {
markerElement.addEventListener('click', (event) => {
event.preventDefault();
event.stopPropagation();
openPopup([item.longitude, item.latitude], String(popupHtml));
});
}
}
return {
marker,
tagIds: normalizeTagIds(item.extra?.organizationTagIds),
};
});
return {
setOnlyTagId: (activeTagId) => {
const normalizedTagId = String(activeTagId ?? '').trim();
const hasActiveTag = /^\d+$/.test(normalizedTagId);
markerEntries.forEach((entry) => {
const markerElement = entry.marker.getElement();
if (!markerElement) {
return;
}
const hasTags = entry.tagIds.length > 0;
const isVisible = !hasActiveTag
|| !hasTags
|| entry.tagIds.includes(normalizedTagId);
markerElement.style.display = isVisible ? '' : 'none';
});
},
setAllVisible: () => {
markerEntries.forEach((entry) => {
const markerElement = entry.marker.getElement();
if (!markerElement) {
return;
}
markerElement.style.display = '';
});
},
setVisible: (isVisible) => {
markerEntries.forEach((entry) => {
const markerElement = entry.marker.getElement();
if (!markerElement) {
return;
}
markerElement.style.display = isVisible ? '' : 'none';
});
},
};
};
const bindExternalTagFilters = (container, map, organizationMarkerManager, eventLayerManager, closePopup) => {
const wrapperId = container.dataset.mapFilterWrapperId || '';
if (!wrapperId || !organizationMarkerManager) {
return;
}
const wrapper = document.getElementById(wrapperId);
if (!wrapper) {
return;
}
const tagButtons = Array.from(wrapper.querySelectorAll('[data-map-tag-filter]'));
const initialDisplayModeRaw = String(container.dataset.mapInitialDisplay || '').trim();
const initialTagIdRaw = String(container.dataset.mapInitialTagId || '').trim();
const setButtonState = (button, isActive) => {
button.setAttribute('aria-pressed', isActive ? 'true' : 'false');
button.classList.toggle('is-active', isActive);
};
const eventToggleButton = wrapper.querySelector('[data-map-event-toggle="1"]');
const canFilterByTag = tagButtons.length > 0;
const canFilterByEvents = !!eventToggleButton;
const canToggleEvents = !!(eventToggleButton && eventLayerManager);
const setEventButtonState = (isActive) => {
if (!eventToggleButton) {
return;
}
eventToggleButton.setAttribute('aria-pressed', isActive ? 'true' : 'false');
eventToggleButton.classList.toggle('is-active', isActive);
};
const availableTagIds = tagButtons
.map((button) => String(button.dataset.mapTagFilter || '').trim())
.filter((tagId) => /^\d+$/.test(tagId));
let activeTagId = null;
let eventsOnly = false;
const updateExclusiveButtonAccessibility = () => {
tagButtons.forEach((button) => {
const isActive = button.getAttribute('aria-pressed') === 'true';
button.setAttribute('aria-disabled', isActive ? 'true' : 'false');
});
if (!eventToggleButton) {
return;
}
if (!canToggleEvents) {
eventToggleButton.setAttribute('aria-disabled', 'true');
return;
}
const isEventActive = eventToggleButton.getAttribute('aria-pressed') === 'true';
eventToggleButton.setAttribute('aria-disabled', isEventActive ? 'true' : 'false');
};
const applyFilter = () => {
if (eventsOnly) {
organizationMarkerManager.setVisible(false);
if (eventLayerManager) {
eventLayerManager.setVisible(true);
}
return;
}
organizationMarkerManager.setVisible(true);
if (activeTagId) {
organizationMarkerManager.setOnlyTagId(activeTagId);
if (eventLayerManager) {
eventLayerManager.setVisible(false);
}
return;
}
organizationMarkerManager.setAllVisible();
if (eventLayerManager) {
eventLayerManager.setVisible(true);
}
};
tagButtons.forEach((button) => {
button.addEventListener('click', () => {
if (button.getAttribute('aria-disabled') === 'true') {
return;
}
const clickedTagId = String(button.dataset.mapTagFilter || '').trim();
if (!/^\d+$/.test(clickedTagId)) {
return;
}
activeTagId = clickedTagId;
eventsOnly = false;
tagButtons.forEach((otherButton) => {
const otherTagId = String(otherButton.dataset.mapTagFilter || '').trim();
setButtonState(otherButton, !!activeTagId && otherTagId === activeTagId);
});
setEventButtonState(false);
updateExclusiveButtonAccessibility();
if (typeof closePopup === 'function') {
closePopup();
}
applyFilter();
});
});
const toggleButton = wrapper.querySelector('[data-map-filter-toggle="1"]');
const filterGroup = wrapper.querySelector('.eventmanager-map-filter__group');
if (toggleButton && filterGroup) {
toggleButton.addEventListener('click', () => {
const expanded = toggleButton.getAttribute('aria-expanded') !== 'false';
const nextExpanded = !expanded;
toggleButton.setAttribute('aria-expanded', nextExpanded ? 'true' : 'false');
filterGroup.hidden = !nextExpanded;
toggleButton.classList.toggle('is-expanded', nextExpanded);
toggleButton.classList.toggle('is-collapsed', !nextExpanded);
wrapper.classList.toggle('is-filter-expanded', nextExpanded);
wrapper.classList.toggle('is-filter-collapsed', !nextExpanded);
});
const initiallyExpanded = toggleButton.getAttribute('aria-expanded') !== 'false';
filterGroup.hidden = !initiallyExpanded;
toggleButton.classList.toggle('is-expanded', initiallyExpanded);
toggleButton.classList.toggle('is-collapsed', !initiallyExpanded);
wrapper.classList.toggle('is-filter-expanded', initiallyExpanded);
wrapper.classList.toggle('is-filter-collapsed', !initiallyExpanded);
}
if (eventToggleButton && eventLayerManager) {
eventToggleButton.addEventListener('click', () => {
if (eventToggleButton.getAttribute('aria-disabled') === 'true') {
return;
}
eventsOnly = true;
activeTagId = null;
tagButtons.forEach((button) => setButtonState(button, false));
setEventButtonState(eventsOnly);
updateExclusiveButtonAccessibility();
if (typeof closePopup === 'function') {
closePopup();
}
applyFilter();
});
} else if (eventToggleButton) {
eventToggleButton.disabled = true;
eventToggleButton.setAttribute('aria-disabled', 'true');
}
const streetStyleButton = wrapper.querySelector('[data-map-style-mode="street"]');
const satelliteStyleButton = wrapper.querySelector('[data-map-style-mode="satellite"]');
let currentStyleMode = 'street';
const applyStyleButtonState = () => {
if (streetStyleButton) {
streetStyleButton.setAttribute('aria-pressed', 'street' === currentStyleMode ? 'true' : 'false');
}
if (satelliteStyleButton) {
satelliteStyleButton.setAttribute('aria-pressed', 'satellite' === currentStyleMode ? 'true' : 'false');
}
};
const applyMapStyleMode = () => {
setSatelliteMode(map, 'satellite' === currentStyleMode);
applyStyleButtonState();
};
if (streetStyleButton) {
streetStyleButton.addEventListener('click', () => {
currentStyleMode = 'street';
applyMapStyleMode();
});
}
if (satelliteStyleButton) {
satelliteStyleButton.addEventListener('click', () => {
currentStyleMode = 'satellite';
applyMapStyleMode();
});
}
const applyInitialDisplayMode = () => {
const validModes = new Set(['random', 'events', 'organization_tag']);
const mode = validModes.has(initialDisplayModeRaw) ? initialDisplayModeRaw : 'random';
const randomTagId = canFilterByTag && availableTagIds.length
? availableTagIds[Math.floor(Math.random() * availableTagIds.length)]
: null;
const configuredTagId = canFilterByTag && /^\d+$/.test(initialTagIdRaw) && availableTagIds.includes(initialTagIdRaw)
? initialTagIdRaw
: null;
activeTagId = null;
eventsOnly = false;
if ('events' === mode && canFilterByEvents) {
eventsOnly = true;
} else if ('organization_tag' === mode && canFilterByTag) {
activeTagId = configuredTagId || randomTagId;
} else if ('random' === mode) {
if (canFilterByTag && canFilterByEvents) {
if (randomTagId && Math.random() >= 0.5) {
activeTagId = randomTagId;
} else {
eventsOnly = true;
}
} else if (canFilterByTag) {
activeTagId = randomTagId;
} else if (canFilterByEvents) {
eventsOnly = true;
}
}
tagButtons.forEach((button) => {
const tagId = String(button.dataset.mapTagFilter || '').trim();
setButtonState(button, null !== activeTagId && tagId === activeTagId);
});
setEventButtonState(eventsOnly);
updateExclusiveButtonAccessibility();
};
applyInitialDisplayMode();
updateExclusiveButtonAccessibility();
applyFilter();
applyMapStyleMode();
};
const initEventLayers = (map, eventItems, eventColor, markerImageId, clusterMarkerImageId, openPopup, closePopup) => {
const sourceId = 'eventmanager-events-source';
const clusterLayerId = EVENT_CLUSTER_LAYER_ID;
const unclusteredLayerId = EVENT_UNCLUSTERED_LAYER_ID;
const features = eventItems.map(toFeature);
map.addSource(sourceId, {
type: 'geojson',
data: {
type: 'FeatureCollection',
features,
},
cluster: true,
clusterMaxZoom: 17,
clusterRadius: 22,
});
map.addLayer({
id: clusterLayerId,
type: 'symbol',
source: sourceId,
filter: ['has', 'point_count'],
layout: {
'icon-image': clusterMarkerImageId,
'icon-size': 1,
'icon-anchor': 'bottom',
'icon-allow-overlap': true,
'icon-ignore-placement': true,
'text-field': ['get', 'point_count'],
'text-size': 18,
'text-font': [GLYPH_FONTSTACK],
'text-allow-overlap': true,
'text-ignore-placement': true,
'text-offset': [0, -1.85],
},
paint: {
'icon-opacity': 1,
'icon-translate': [0, 4],
'text-color': '#FFFFFF',
'text-opacity': 1,
'text-translate': [0, 4],
},
});
map.addLayer({
id: unclusteredLayerId,
type: 'symbol',
source: sourceId,
filter: ['!', ['has', 'point_count']],
layout: {
'icon-image': markerImageId,
'icon-size': 1,
'icon-anchor': 'bottom',
'icon-allow-overlap': true,
'icon-ignore-placement': true,
'symbol-sort-key': ['*', -1, ['to-number', ['get', 'latitude'], 0]],
},
paint: {
'icon-opacity': 1,
'icon-translate': [0, 4],
},
});
const openEventPopup = (feature, coordinatesOverride = null) => {
const popupHtml = feature?.properties?.popupHtml || '';
const rawCoords = coordinatesOverride || feature?.geometry?.coordinates || null;
if (!Array.isArray(rawCoords) || rawCoords.length !== 2) {
return;
}
const [lng, lat] = rawCoords.map((coord) => Number(coord));
if (!Number.isFinite(lng) || !Number.isFinite(lat)) {
return;
}
if (typeof openPopup === 'function') {
openPopup([lng, lat], String(popupHtml));
}
};
map.on('click', unclusteredLayerId, (event) => {
const feature = event.features && event.features[0] ? event.features[0] : null;
if (!feature) {
return;
}
openEventPopup(feature, event.lngLat ? [event.lngLat.lng, event.lngLat.lat] : null);
});
map.on('mouseenter', unclusteredLayerId, () => {
map.getCanvas().style.cursor = 'pointer';
});
map.on('mouseleave', unclusteredLayerId, () => {
map.getCanvas().style.cursor = '';
});
const bindClusterZoomFallback = () => {
map.on('click', clusterLayerId, (event) => {
const feature = event.features && event.features[0] ? event.features[0] : null;
if (!feature) {
return;
}
const clusterId = feature.properties?.cluster_id;
if (undefined === clusterId || null === clusterId) {
return;
}
const source = map.getSource(sourceId);
if (!source || typeof source.getClusterExpansionZoom !== 'function') {
return;
}
source.getClusterExpansionZoom(clusterId, (error, zoom) => {
if (error) {
return;
}
map.easeTo({
center: event.lngLat,
zoom,
});
});
});
};
let spiderfyInstance = null;
if (typeof Spiderfy === 'function') {
try {
const spiderfy = new Spiderfy(map, {
renderMethod: '3D',
minZoomLevel: 0,
zoomIncrement: 0,
closeOnLeafClick: false,
circleSpiralSwitchover: 10,
circleOptions: {
leavesSeparation: 70,
leavesOffset: [0, 0],
},
spiralOptions: {
legLengthStart: 45,
legLengthFactor: 5,
leavesSeparation: 45,
leavesOffset: [0, 0],
},
spiderLegsAreHidden: false,
spiderLegsWidth: 2,
spiderLegsColor: eventColor,
spiderLeavesLayout: {
'icon-image': markerImageId,
'icon-size': 0.9,
'icon-anchor': 'bottom',
'icon-allow-overlap': true,
},
spiderLeavesPaint: {
'icon-opacity': 1,
'icon-translate': [-3, 9],
},
onLeafClick: (feature, spiderEvent) => {
const clickCoordinates = spiderEvent?.lngLat
? [spiderEvent.lngLat.lng, spiderEvent.lngLat.lat]
: null;
openEventPopup(feature, clickCoordinates);
},
});
spiderfy.applyTo(clusterLayerId);
spiderfyInstance = spiderfy;
if (map.getLayer(clusterLayerId)) {
map.moveLayer(clusterLayerId);
}
} catch (error) {
bindClusterZoomFallback();
}
} else {
bindClusterZoomFallback();
}
map.on('mouseenter', clusterLayerId, () => {
map.getCanvas().style.cursor = 'pointer';
});
map.on('mouseleave', clusterLayerId, () => {
map.getCanvas().style.cursor = '';
});
const fadeLayerOpacity = (layerId, property, value, duration = EVENT_FADE_DURATION_MS) => {
if (!map.getLayer(layerId)) {
return;
}
map.setPaintProperty(layerId, `${property}-transition`, { duration, delay: 0 });
map.setPaintProperty(layerId, property, value);
};
const eventLayerIds = [
clusterLayerId,
unclusteredLayerId,
];
const clusterFilter = ['has', 'point_count'];
const unclusteredFilter = ['!', ['has', 'point_count']];
const hiddenFilter = ['has', '__eventmanager_hidden__'];
let hideLayersTimeoutId = null;
const setLayerFilter = (layerId, filter) => {
if (!map.getLayer(layerId)) {
return;
}
map.setFilter(layerId, filter);
};
return {
setVisible: (isVisible) => {
if (isVisible) {
if (null !== hideLayersTimeoutId) {
window.clearTimeout(hideLayersTimeoutId);
hideLayersTimeoutId = null;
}
setLayerFilter(clusterLayerId, clusterFilter);
setLayerFilter(unclusteredLayerId, unclusteredFilter);
fadeLayerOpacity(clusterLayerId, 'icon-opacity', 1);
fadeLayerOpacity(clusterLayerId, 'text-opacity', 1);
fadeLayerOpacity(unclusteredLayerId, 'icon-opacity', 1);
return;
}
if (spiderfyInstance) {
if (typeof spiderfyInstance._clearSpiderifiedCluster === 'function') {
spiderfyInstance._clearSpiderifiedCluster();
} else if (typeof spiderfyInstance.unspiderfyAll === 'function') {
spiderfyInstance.unspiderfyAll();
}
}
if (typeof closePopup === 'function') {
closePopup();
}
fadeLayerOpacity(clusterLayerId, 'icon-opacity', 0);
fadeLayerOpacity(clusterLayerId, 'text-opacity', 0);
fadeLayerOpacity(unclusteredLayerId, 'icon-opacity', 0);
hideLayersTimeoutId = window.setTimeout(() => {
setLayerFilter(clusterLayerId, hiddenFilter);
setLayerFilter(unclusteredLayerId, hiddenFilter);
hideLayersTimeoutId = null;
}, EVENT_FADE_DURATION_MS + 10);
},
};
};
const initSingleMap = (container) => {
if (container.dataset.mapInitialized === '1') {
return;
}
const items = parseItems(container);
const centerMode = container.dataset.mapCenterMode === 'custom' ? 'custom' : 'markers';
const customLat = parseCoordinate(container.dataset.mapCenterLat);
const customLng = parseCoordinate(container.dataset.mapCenterLng);
const customZoom = Number(container.dataset.mapCenterZoom);
const customPitch = Number(container.dataset.mapPitch);
const eventColor = normalizeHexColor(container.dataset.mapEventColor, DEFAULT_EVENT_COLOR);
const hasCustomCenter = null !== customLat && null !== customLng;
const initialPitch = Number.isFinite(customPitch)
? Math.max(0, Math.min(85, customPitch))
: 0;
let initialCenter = DEFAULT_CENTER;
let initialZoom = DEFAULT_ZOOM;
if ('custom' === centerMode && hasCustomCenter) {
initialCenter = [customLng, customLat];
initialZoom = Number.isFinite(customZoom) ? customZoom : 12;
} else if (items.length) {
initialCenter = [items[0].longitude, items[0].latitude];
initialZoom = 12;
}
container.dataset.mapInitialized = '1';
ensureDependencies()
.then(async () => {
if (typeof maplibregl === 'undefined') {
return;
}
if (typeof pmtiles !== 'undefined' && !window.__eventmanagerPmtilesRegistered) {
const protocol = new pmtiles.Protocol();
maplibregl.addProtocol('pmtiles', protocol.tile);
window.__eventmanagerPmtilesRegistered = true;
}
const baseStyleUrl = container.dataset.mapStyle || DEFAULT_BASE_STYLE_URL;
const style = await getProtomapsStyle(baseStyleUrl);
const map = new maplibregl.Map({
container,
style,
zoom: initialZoom,
pitch: initialPitch,
bearing: 0,
center: initialCenter,
transformRequest: (url, resourceType) => {
if ('Glyphs' === resourceType) {
return {
url: rewriteGlyphUrl(url),
};
}
return {
url,
};
},
});
let activePopup = null;
const closePopup = () => {
if (!activePopup) {
return;
}
activePopup.remove();
activePopup = null;
};
const openPopup = (coordinates, popupHtml) => {
if (!Array.isArray(coordinates) || coordinates.length !== 2 || !popupHtml) {
return;
}
const [lng, lat] = coordinates.map((value) => Number(value));
if (!Number.isFinite(lng) || !Number.isFinite(lat)) {
return;
}
closePopup();
const popup = new maplibregl.Popup({ offset: 15 })
.setLngLat([lng, lat])
.setHTML(String(popupHtml))
.addTo(map);
popup.on('close', () => {
if (activePopup === popup) {
activePopup = null;
}
});
activePopup = popup;
};
map.on('style.load', () => {
applyDefaultProjection(map);
});
map.on('styleimagemissing', (event) => {
const missingImageId = event?.id || '';
if (!missingImageId || map.hasImage(missingImageId)) {
return;
}
map.addImage(missingImageId, {
width: 1,
height: 1,
data: new Uint8Array([0, 0, 0, 0]),
});
});
map.addControl(new maplibregl.NavigationControl({ visualizePitch: true }));
const fitBounds = (coordinates) => {
const points = coordinates.filter((coord) => Array.isArray(coord) && coord.length === 2);
if (!points.length) {
return;
}
if (1 === points.length) {
map.setCenter(points[0]);
map.setZoom(14);
return;
}
const bounds = new maplibregl.LngLatBounds();
points.forEach((coord) => bounds.extend(coord));
map.fitBounds(bounds, {
padding: 60,
maxZoom: 15,
});
};
map.on('load', async () => {
applyDefaultProjection(map);
const organizationItems = items
.filter((item) => item.type === 'organisation')
.sort((firstItem, secondItem) => secondItem.latitude - firstItem.latitude);
const eventItems = items
.filter((item) => item.type === 'event')
.sort((firstItem, secondItem) => secondItem.latitude - firstItem.latitude);
const allCoordinates = items.map((item) => [item.longitude, item.latitude]);
const organizationColor = normalizeHexColor(
container.dataset.mapOrganizationColor,
eventColor,
);
let eventMarkerImageId = null;
let clusterMarkerImageId = null;
try {
[eventMarkerImageId, clusterMarkerImageId] = await Promise.all([
ensureMarkerImage(map, eventColor, 'eventmanager-event-marker', { withInnerDot: true }),
ensureMarkerImage(map, eventColor, 'eventmanager-event-cluster-marker', { withInnerDot: false }),
]);
} catch (error) {
return;
}
const organizationMarkerManager = initOrganizationMarkers(map, organizationItems, organizationColor, openPopup);
let eventLayerManager = null;
if (eventItems.length) {
eventLayerManager = initEventLayers(map, eventItems, eventColor, eventMarkerImageId, clusterMarkerImageId, openPopup, closePopup);
}
bindExternalTagFilters(container, map, organizationMarkerManager, eventLayerManager, closePopup);
if ('markers' === centerMode) {
fitBounds(allCoordinates);
}
});
})
.catch(() => {
container.dataset.mapInitialized = '0';
});
};
const bootstrapMapModules = () => {
const modules = document.querySelectorAll(MAP_SELECTOR);
modules.forEach((container) => initSingleMap(container));
};
if ('loading' === document.readyState) {
document.addEventListener('DOMContentLoaded', bootstrapMapModules, { once: true });
} else {
bootstrapMapModules();
}