/**
* Places Filter Web Component
* Provides search functionality for filtering place cards in the overview
*/
export class PlacesFilter extends HTMLElement {
constructor() {
super();
this.searchInput = null;
this.placeCards = [];
this.countElement = null;
this.debounceTimer = null;
this.originalCount = 0;
}
connectedCallback() {
this.render();
this.setupEventListeners();
this.initializePlaceCards();
}
disconnectedCallback() {
this.cleanupEventListeners();
if (this.debounceTimer) {
clearTimeout(this.debounceTimer);
}
}
render() {
this.innerHTML = `
`;
}
setupEventListeners() {
this.searchInput = this.querySelector('#places-search');
if (this.searchInput) {
this.searchInput.addEventListener('input', this.handleSearchInput.bind(this));
}
}
cleanupEventListeners() {
if (this.searchInput) {
this.searchInput.removeEventListener('input', this.handleSearchInput.bind(this));
}
}
initializePlaceCards() {
// Find all place cards and the count element
const container = this.closest('.bg-white') || document;
this.placeCards = Array.from(container.querySelectorAll('[data-place-name]'));
this.countElement = container.querySelector('[data-places-count]');
if (this.countElement) {
this.originalCount = this.placeCards.length;
}
}
handleSearchInput(event) {
// Clear previous debounce timer
if (this.debounceTimer) {
clearTimeout(this.debounceTimer);
}
// Debounce the search to avoid excessive filtering
this.debounceTimer = setTimeout(() => {
this.filterPlaces(event.target.value.trim());
}, 150);
}
filterPlaces(searchTerm) {
if (!this.placeCards.length) return;
const normalizedSearch = searchTerm.toLowerCase();
let visibleCount = 0;
this.placeCards.forEach(card => {
const placeName = card.getAttribute('data-place-name')?.toLowerCase() || '';
const modernName = card.getAttribute('data-modern-name')?.toLowerCase() || '';
// Check if search term matches either the place name or modern name
const isMatch = searchTerm === '' ||
placeName.includes(normalizedSearch) ||
modernName.includes(normalizedSearch);
if (isMatch) {
card.style.display = '';
visibleCount++;
} else {
card.style.display = 'none';
}
});
// Update the count display
this.updateCountDisplay(visibleCount, searchTerm);
}
updateCountDisplay(visibleCount, searchTerm) {
if (!this.countElement) return;
if (searchTerm === '') {
// Show original count when no search
this.countElement.textContent = `Alle Orte (${this.originalCount})`;
} else if (visibleCount === 0) {
// Show no results message
this.countElement.textContent = `Keine Orte gefunden für "${searchTerm}"`;
} else {
// Show filtered count
this.countElement.textContent = `${visibleCount} von ${this.originalCount} Orten`;
}
}
}
/**
* Place Accordion Web Component
* Individual accordion for each place with expand/collapse functionality
*/
export class PlaceAccordion extends HTMLElement {
constructor() {
super();
this.isExpanded = false;
this.isLoading = false;
this.hasLoaded = false;
}
connectedCallback() {
this.setupAccordion();
this.setupEventListeners();
this.updateBorders();
this.setupMapEventListeners();
this.setupHoverEvents();
}
disconnectedCallback() {
this.cleanupEventListeners();
this.cleanupMapEventListeners();
}
cleanupMapEventListeners() {
// Clean up map event listeners
document.removeEventListener('place-map-clicked', this.handleMapClick.bind(this));
// Clean up hover event listeners
const headerDiv = this.querySelector('.cursor-pointer');
if (headerDiv) {
headerDiv.removeEventListener('mouseenter', this.handleHeadingHover.bind(this));
headerDiv.removeEventListener('mouseleave', this.handleHeadingLeave.bind(this));
}
}
setupAccordion() {
// Add chevron icon if not already present
if (!this.querySelector('.accordion-chevron')) {
const chevron = document.createElement('i');
chevron.className = 'ri-chevron-down-line accordion-chevron transition-transform duration-200 text-slate-400';
// Find the badge and insert chevron before it
const badge = this.querySelector('[class*="bg-slate-100"]');
if (badge) {
badge.parentNode.insertBefore(chevron, badge);
}
}
// Create content container if not exists
if (!this.querySelector('[data-content]')) {
const placeId = this.getAttribute('data-place-id');
const contentContainer = document.createElement('div');
contentContainer.setAttribute('data-content', '');
contentContainer.className = 'accordion-content overflow-hidden transition-all duration-300 max-h-0';
// Add HTMX attributes to override body defaults
contentContainer.setAttribute('hx-get', `/ort/fragment/${placeId}`);
contentContainer.setAttribute('hx-trigger', 'load-content');
contentContainer.setAttribute('hx-swap', 'innerHTML');
contentContainer.setAttribute('hx-target', 'this');
contentContainer.setAttribute('hx-select', '.place-fragment-content');
contentContainer.setAttribute('hx-boost', 'false'); // Override body's hx-boost="true"
this.appendChild(contentContainer);
}
}
setupEventListeners() {
// Add click listener to the entire component
this.addEventListener('click', this.handleClick.bind(this));
}
cleanupEventListeners() {
this.removeEventListener('click', this.handleClick.bind(this));
}
setupMapEventListeners() {
// Listen for map click events
document.addEventListener('place-map-clicked', this.handleMapClick.bind(this));
}
setupHoverEvents() {
// Find the clickable header div within this accordion
const headerDiv = this.querySelector('.cursor-pointer');
if (headerDiv) {
headerDiv.addEventListener('mouseenter', this.handleHeadingHover.bind(this));
headerDiv.addEventListener('mouseleave', this.handleHeadingLeave.bind(this));
}
}
handleHeadingHover() {
const placeId = this.getAttribute('data-place-id');
if (placeId) {
// Emit event to show tooltip on map
const showTooltipEvent = new CustomEvent('place-heading-hover', {
detail: { placeId, action: 'show' },
bubbles: true
});
document.dispatchEvent(showTooltipEvent);
}
}
handleHeadingLeave() {
const placeId = this.getAttribute('data-place-id');
if (placeId) {
// Emit event to hide tooltip on map
const hideTooltipEvent = new CustomEvent('place-heading-hover', {
detail: { placeId, action: 'hide' },
bubbles: true
});
document.dispatchEvent(hideTooltipEvent);
}
}
handleMapClick(event) {
const clickedPlaceId = event.detail.placeId;
const myPlaceId = this.getAttribute('data-place-id');
// If this accordion matches the clicked place, expand it
if (clickedPlaceId === myPlaceId && !this.isExpanded) {
// Add a small delay to allow scrolling to complete first
setTimeout(() => {
this.expand();
}, 800); // Delay matches scroll animation + highlight effect
}
}
handleClick(event) {
// Only handle clicks on the place name area, not on expanded content
const contentContainer = this.querySelector('[data-content]');
if (contentContainer && contentContainer.contains(event.target)) {
return; // Don't toggle if clicking inside expanded content
}
this.toggle();
}
toggle() {
if (this.isExpanded) {
this.collapse();
} else {
this.expand();
}
}
expand() {
if (this.isLoading) return;
this.isExpanded = true;
this.updateChevron();
this.updateBorders();
const contentContainer = this.querySelector('[data-content]');
if (!contentContainer) return;
// Load content if not already loaded
if (!this.hasLoaded) {
this.loadContent();
} else {
// Just show existing content
contentContainer.style.maxHeight = contentContainer.scrollHeight + 'px';
}
}
collapse() {
this.isExpanded = false;
this.updateChevron();
this.updateBorders();
const contentContainer = this.querySelector('[data-content]');
if (contentContainer) {
contentContainer.style.maxHeight = '0px';
}
}
loadContent() {
this.isLoading = true;
const contentContainer = this.querySelector('[data-content]');
// Show loading state
contentContainer.innerHTML = 'Lädt...
';
contentContainer.style.maxHeight = contentContainer.scrollHeight + 'px';
// Set up event listeners for HTMX events
const handleAfterRequest = () => {
this.hasLoaded = true;
this.isLoading = false;
// Adjust height after content loads
setTimeout(() => {
contentContainer.style.maxHeight = contentContainer.scrollHeight + 'px';
}, 10);
contentContainer.removeEventListener('htmx:afterRequest', handleAfterRequest);
};
const handleResponseError = () => {
this.isLoading = false;
contentContainer.innerHTML = 'Fehler beim Laden
';
contentContainer.removeEventListener('htmx:responseError', handleResponseError);
};
contentContainer.addEventListener('htmx:afterRequest', handleAfterRequest);
contentContainer.addEventListener('htmx:responseError', handleResponseError);
// Trigger the HTMX request
htmx.trigger(contentContainer, 'load-content');
}
updateChevron() {
const chevron = this.querySelector('.accordion-chevron');
if (chevron) {
if (this.isExpanded) {
chevron.style.transform = 'rotate(180deg)';
} else {
chevron.style.transform = 'rotate(0deg)';
}
}
}
updateBorders() {
if (this.isExpanded) {
// When expanded: remove border from header, add border to whole component
this.classList.add('border-b', 'border-slate-100');
} else {
// When collapsed: add border to component (for separation between items)
this.classList.add('border-b', 'border-slate-100');
}
// Remove border from last item if it's the last child
const isLastChild = !this.nextElementSibling;
if (isLastChild) {
this.classList.remove('border-b');
}
}
}
/**
* Places Map Web Component
* Embeds an SVG map with plotted geographical places
*/
export class PlacesMap extends HTMLElement {
constructor() {
super();
this.places = [];
this.mapElement = null;
this.pointsContainer = null;
this.intersectionObserver = null;
this.mapPoints = new Map(); // Map of placeId -> point element
this.tooltip = null;
this.tooltipTimeout = null;
}
connectedCallback() {
this.parseData();
this.render();
this.initializeMap();
// Delay scrollspy initialization to ensure DOM is ready
setTimeout(() => {
this.initializeScrollspy();
}, 200);
this.setupHeadingHoverListener();
}
parseData() {
try {
const placesData = this.dataset.places;
if (placesData) {
this.places = JSON.parse(placesData);
}
} catch (error) {
console.error('Failed to parse places data:', error);
this.places = [];
}
}
render() {
this.innerHTML = `
`;
this.mapElement = this.querySelector('.map-container');
this.pointsContainer = this.querySelector('.points-container');
this.tooltip = this.querySelector('.map-tooltip');
}
initializeMap() {
if (!this.places.length || !this.pointsContainer) {
return;
}
// Map extent constants (same as example)
const MAP_EXTENT_METERS = { xmin: 2555000, ymin: 1350000, xmax: 7405000, ymax: 5500000 };
const PROJECTION_CENTER = { lon: 10, lat: 52 };
// Convert lat/lng to percent position
const convertLatLngToPercent = (lat, lng) => {
const R = 6371000;
const FE = 4321000;
const FN = 3210000;
const lon_0_rad = PROJECTION_CENTER.lon * Math.PI / 180;
const lat_0_rad = PROJECTION_CENTER.lat * Math.PI / 180;
const lon_rad = lng * Math.PI / 180;
const lat_rad = lat * Math.PI / 180;
const k_prime = Math.sqrt(2 / (1 + Math.sin(lat_0_rad) * Math.sin(lat_rad) + Math.cos(lat_0_rad) * Math.cos(lat_rad) * Math.cos(lon_rad - lon_0_rad)));
const x_proj = R * k_prime * Math.cos(lat_rad) * Math.sin(lon_rad - lon_0_rad);
const y_proj = R * k_prime * (Math.cos(lat_0_rad) * Math.sin(lat_rad) - Math.sin(lat_0_rad) * Math.cos(lat_rad) * Math.cos(lon_rad - lon_0_rad));
const finalX = x_proj + FE;
const finalY = y_proj + FN;
const mapWidthMeters = MAP_EXTENT_METERS.xmax - MAP_EXTENT_METERS.xmin;
const mapHeightMeters = MAP_EXTENT_METERS.ymax - MAP_EXTENT_METERS.ymin;
const xPercent = (finalX - MAP_EXTENT_METERS.xmin) / mapWidthMeters * 100;
const yPercent = (MAP_EXTENT_METERS.ymax - finalY) / mapHeightMeters * 100;
return { x: xPercent, y: yPercent };
};
// Create points and track positions
const pointPositions = [];
this.places.forEach(place => {
if (place.lat && place.lng) {
const lat = parseFloat(place.lat);
const lng = parseFloat(place.lng);
const position = convertLatLngToPercent(lat, lng);
// Only add points that are within the visible map area
if (position.x >= 0 && position.x <= 100 && position.y >= 0 && position.y <= 100) {
pointPositions.push(position);
const point = document.createElement('div');
point.className = 'map-point absolute w-1 h-1 bg-red-200 rounded-full shadow-sm -translate-x-1/2 -translate-y-1/2 transition-all duration-300 z-10 cursor-pointer hover:w-1.5 hover:h-1.5 hover:bg-red-400 hover:z-30';
point.style.left = `${position.x}%`;
point.style.top = `${position.y}%`;
point.style.transformOrigin = 'center';
const tooltipText = `${place.name}${place.toponymName && place.toponymName !== place.name ? ` (${place.toponymName})` : ''}`;
point.dataset.placeId = place.id;
point.dataset.tooltipText = tooltipText;
// Add hover and click event listeners
point.addEventListener('mouseenter', (e) => this.showTooltip(e));
point.addEventListener('mouseleave', () => this.hideTooltip());
point.addEventListener('mousemove', (e) => this.updateTooltipPosition(e));
point.addEventListener('click', (e) => this.scrollToPlace(e));
this.pointsContainer.appendChild(point);
// Store reference to point for scrollspy
this.mapPoints.set(place.id, point);
}
}
});
// Auto-zoom to fit all points
if (pointPositions.length > 0) {
this.autoZoomToPoints(pointPositions);
}
}
autoZoomToPoints(pointPositions) {
// Calculate bounding box of all points
let minX = 100, maxX = 0, minY = 100, maxY = 0;
pointPositions.forEach(pos => {
if (pos.x < minX) minX = pos.x;
if (pos.x > maxX) maxX = pos.x;
if (pos.y < minY) minY = pos.y;
if (pos.y > maxY) maxY = pos.y;
});
// Add 5% padding
const width = maxX - minX;
const height = maxY - minY;
const paddingX = width * 0.05;
const paddingY = height * 0.05;
const paddedMinX = Math.max(0, minX - paddingX);
const paddedMaxX = Math.min(100, maxX + paddingX);
const paddedMinY = Math.max(0, minY - paddingY);
const paddedMaxY = Math.min(100, maxY + paddingY);
const newWidth = paddedMaxX - paddedMinX;
const newHeight = paddedMaxY - paddedMinY;
// Maintain 5:7 aspect ratio
const targetAspectRatio = 5 / 7;
const pointsAspectRatio = newWidth / newHeight;
let finalViewBox = { x: paddedMinX, y: paddedMinY, width: newWidth, height: newHeight };
if (pointsAspectRatio > targetAspectRatio) {
const newTargetHeight = newWidth / targetAspectRatio;
finalViewBox.y = paddedMinY - (newTargetHeight - newHeight) / 2;
finalViewBox.height = newTargetHeight;
} else {
const newTargetWidth = newHeight * targetAspectRatio;
finalViewBox.x = paddedMinX - (newTargetWidth - newWidth) / 2;
finalViewBox.width = newTargetWidth;
}
// Apply transformation
const scale = 100 / finalViewBox.width;
const translateX = -finalViewBox.x;
const translateY = -finalViewBox.y;
const transformValue = `scale(${scale}) translate(${translateX}%, ${translateY}%)`;
const transformWrapper = this.querySelector('.transform-wrapper');
if (transformWrapper) {
transformWrapper.style.transform = transformValue;
}
}
initializeScrollspy() {
// Find all place containers in the places list
const placeContainers = document.querySelectorAll('place-accordion[data-place-id]');
if (!placeContainers.length) return;
// First, ensure all points start in inactive state
this.mapPoints.forEach(point => {
this.setPointInactive(point);
});
// Create intersection observer
this.intersectionObserver = new IntersectionObserver(
(entries) => {
entries.forEach(entry => {
const placeId = entry.target.getAttribute('data-place-id');
const mapPoint = this.mapPoints.get(placeId);
if (mapPoint) {
if (entry.isIntersecting) {
// Activate the point when place is in view
this.setPointActive(mapPoint);
} else {
// Deactivate the point when place is out of view
this.setPointInactive(mapPoint);
}
}
});
},
{
// Trigger when element enters viewport
threshold: 0.1,
// No root margin for precise detection
rootMargin: '0px'
}
);
// Observe all place containers
placeContainers.forEach(container => {
this.intersectionObserver.observe(container);
});
// Force an immediate check by triggering a scroll event
setTimeout(() => {
// Manually trigger intersection calculation
placeContainers.forEach(container => {
const rect = container.getBoundingClientRect();
const isVisible = rect.top < window.innerHeight && rect.bottom > 0;
const placeId = container.getAttribute('data-place-id');
const mapPoint = this.mapPoints.get(placeId);
if (mapPoint && isVisible) {
this.setPointActive(mapPoint);
}
});
}, 50);
}
setPointActive(point) {
// Active state: larger, full color, full opacity, higher z-index
point.className = 'map-point absolute w-1.5 h-1.5 bg-red-500 border border-red-700 rounded-full shadow-md -translate-x-1/2 -translate-y-1/2 transition-all duration-300 opacity-100 saturate-100 z-20 cursor-pointer hover:w-2 hover:h-2 hover:bg-red-600 hover:z-30';
}
setPointInactive(point) {
// Inactive state: small light red dots, no border
point.className = 'map-point absolute w-1 h-1 bg-red-200 rounded-full shadow-sm -translate-x-1/2 -translate-y-1/2 transition-all duration-300 z-10 cursor-pointer hover:w-1.5 hover:h-1.5 hover:bg-red-400 hover:z-30';
}
showTooltip(event) {
const point = event.target;
const tooltipText = point.dataset.tooltipText;
if (this.tooltip && tooltipText) {
// Clear any existing timeout
if (this.tooltipTimeout) {
clearTimeout(this.tooltipTimeout);
}
// Set tooltip position immediately but keep it invisible
this.tooltip.textContent = tooltipText;
this.updateTooltipPosition(event);
// Show tooltip after 0.5 second delay
this.tooltipTimeout = setTimeout(() => {
this.tooltip.classList.remove('opacity-0');
this.tooltip.classList.add('opacity-100');
}, 500);
}
}
hideTooltip() {
// Clear any pending tooltip timeout
if (this.tooltipTimeout) {
clearTimeout(this.tooltipTimeout);
this.tooltipTimeout = null;
}
if (this.tooltip) {
this.tooltip.classList.remove('opacity-100');
this.tooltip.classList.add('opacity-0');
}
}
updateTooltipPosition(event) {
if (!this.tooltip) return;
const mapRect = this.mapElement.getBoundingClientRect();
const x = event.clientX - mapRect.left;
const y = event.clientY - mapRect.top;
// Position tooltip relative to the map container
this.tooltip.style.left = `${x}px`;
this.tooltip.style.top = `${y}px`;
}
scrollToPlace(event) {
const placeId = event.target.dataset.placeId;
if (!placeId) return;
// Emit custom event for place selection
const placeSelectedEvent = new CustomEvent('place-map-clicked', {
detail: { placeId },
bubbles: true
});
this.dispatchEvent(placeSelectedEvent);
// Find the corresponding place container in the list
const placeContainer = document.querySelector(`place-accordion[data-place-id="${placeId}"]`);
if (placeContainer) {
// Smooth scroll to the place container
placeContainer.scrollIntoView({
behavior: 'smooth',
block: 'center',
inline: 'nearest'
});
// Optional: Add a brief highlight effect
placeContainer.style.transition = 'background-color 0.3s ease';
placeContainer.style.backgroundColor = 'rgb(248 250 252)';
setTimeout(() => {
placeContainer.style.backgroundColor = '';
}, 1000);
}
}
setupHeadingHoverListener() {
// Listen for heading hover events from place accordions
document.addEventListener('place-heading-hover', this.handleHeadingHoverEvent.bind(this));
}
handleHeadingHoverEvent(event) {
const { placeId, action } = event.detail;
const mapPoint = this.mapPoints.get(placeId);
if (!mapPoint) return;
if (action === 'show') {
// Give the point a subtle highlight by making it larger immediately
mapPoint.classList.remove('w-1', 'h-1', 'w-1.5', 'h-1.5');
mapPoint.classList.add('w-2', 'h-2');
mapPoint.style.zIndex = '25';
// Show tooltip for the corresponding map point after delay
const tooltipText = mapPoint.dataset.tooltipText;
if (this.tooltip && tooltipText) {
// Clear any existing timeout
if (this.tooltipTimeout) {
clearTimeout(this.tooltipTimeout);
}
// Set tooltip position immediately but keep it invisible
this.tooltip.textContent = tooltipText;
// Position tooltip at the map point location
const pointRect = mapPoint.getBoundingClientRect();
const mapRect = this.mapElement.getBoundingClientRect();
const x = pointRect.left - mapRect.left + (pointRect.width / 2);
const y = pointRect.top - mapRect.top + (pointRect.height / 2);
this.tooltip.style.left = `${x}px`;
this.tooltip.style.top = `${y}px`;
// Show tooltip after 0.5 second delay
this.tooltipTimeout = setTimeout(() => {
this.tooltip.classList.remove('opacity-0');
this.tooltip.classList.add('opacity-100');
}, 500);
}
} else if (action === 'hide') {
// Clear any pending tooltip timeout
if (this.tooltipTimeout) {
clearTimeout(this.tooltipTimeout);
this.tooltipTimeout = null;
}
// Hide tooltip
if (this.tooltip) {
this.tooltip.classList.remove('opacity-100');
this.tooltip.classList.add('opacity-0');
}
// Remove point highlight - restore original size based on current state
mapPoint.classList.remove('w-2', 'h-2');
// Check if this point is currently active or inactive
if (mapPoint.className.includes('bg-red-500')) {
// Active point
mapPoint.classList.add('w-1.5', 'h-1.5');
} else {
// Inactive point
mapPoint.classList.add('w-1', 'h-1');
}
mapPoint.style.zIndex = ''; // Reset to default
}
}
disconnectedCallback() {
// Clean up intersection observer
if (this.intersectionObserver) {
this.intersectionObserver.disconnect();
this.intersectionObserver = null;
}
// Clean up tooltip timeout
if (this.tooltipTimeout) {
clearTimeout(this.tooltipTimeout);
this.tooltipTimeout = null;
}
// Clean up heading hover listener
document.removeEventListener('place-heading-hover', this.handleHeadingHoverEvent.bind(this));
}
}
// Register the custom elements
customElements.define('places-filter', PlacesFilter);
customElements.define('place-accordion', PlaceAccordion);
customElements.define('places-map', PlacesMap);