split templates
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Tykayn
tykayn
parent
6548460478
commit
9aa8da5872
22 changed files with 2980 additions and 2384 deletions
412
oedb/resources/demo/static/search.js
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412
oedb/resources/demo/static/search.js
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// Initialize the map
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const map = new maplibregl.Map({
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container: 'map',
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style: 'https://tiles.openfreemap.org/styles/liberty',
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center: [2.3522, 48.8566], // Default center (Paris)
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zoom: 4
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});
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// Add navigation controls
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map.addControl(new maplibregl.NavigationControl());
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// Add draw controls for polygon
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let drawnPolygon = null;
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let drawingMode = false;
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let points = [];
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let lineString = null;
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let polygonFill = null;
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// Add a button to toggle drawing mode
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const drawButton = document.createElement('button');
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drawButton.textContent = 'Draw Polygon';
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drawButton.style.position = 'absolute';
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drawButton.style.top = '10px';
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drawButton.style.right = '10px';
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drawButton.style.zIndex = '1';
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drawButton.style.padding = '5px 10px';
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drawButton.style.backgroundColor = '#0078ff';
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drawButton.style.color = 'white';
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drawButton.style.border = 'none';
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drawButton.style.borderRadius = '3px';
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drawButton.style.cursor = 'pointer';
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document.getElementById('map').appendChild(drawButton);
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drawButton.addEventListener('click', () => {
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drawingMode = !drawingMode;
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drawButton.textContent = drawingMode ? 'Cancel Drawing' : 'Draw Polygon';
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if (!drawingMode) {
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// Clear the drawing
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points = [];
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if (lineString) {
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map.removeLayer('line-string');
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map.removeSource('line-string');
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lineString = null;
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}
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if (polygonFill) {
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map.removeLayer('polygon-fill');
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map.removeSource('polygon-fill');
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polygonFill = null;
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}
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}
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});
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// Handle map click events for drawing
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map.on('click', (e) => {
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if (!drawingMode) return;
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const coords = [e.lngLat.lng, e.lngLat.lat];
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points.push(coords);
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// If we have at least 3 points, create a polygon
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if (points.length >= 3) {
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const polygonCoords = [...points, points[0]]; // Close the polygon
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// Create or update the line string
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if (lineString) {
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map.removeLayer('line-string');
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map.removeSource('line-string');
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}
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lineString = {
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type: 'Feature',
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geometry: {
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type: 'LineString',
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coordinates: polygonCoords
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}
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};
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map.addSource('line-string', {
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type: 'geojson',
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data: lineString
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});
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map.addLayer({
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id: 'line-string',
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type: 'line',
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source: 'line-string',
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paint: {
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'line-color': '#0078ff',
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'line-width': 2
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}
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});
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// Create or update the polygon fill
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if (polygonFill) {
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map.removeLayer('polygon-fill');
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map.removeSource('polygon-fill');
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}
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polygonFill = {
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type: 'Feature',
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geometry: {
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type: 'Polygon',
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coordinates: [polygonCoords]
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}
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};
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map.addSource('polygon-fill', {
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type: 'geojson',
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data: polygonFill
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});
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map.addLayer({
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id: 'polygon-fill',
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type: 'fill',
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source: 'polygon-fill',
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paint: {
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'fill-color': '#0078ff',
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'fill-opacity': 0.2
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}
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});
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// Store the drawn polygon for search
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drawnPolygon = {
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type: 'Polygon',
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coordinates: [polygonCoords]
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};
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}
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});
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// Handle custom date range selection
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document.getElementById('when').addEventListener('change', function() {
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const customDateGroup = document.getElementById('customDateGroup');
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const customDateEndGroup = document.getElementById('customDateEndGroup');
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if (this.value === 'custom') {
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customDateGroup.style.display = 'block';
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customDateEndGroup.style.display = 'block';
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} else {
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customDateGroup.style.display = 'none';
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customDateEndGroup.style.display = 'none';
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}
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});
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// Handle form submission
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document.getElementById('searchForm').addEventListener('submit', function(e) {
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e.preventDefault();
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// Show loading message
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const resultElement = document.getElementById('result');
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resultElement.textContent = 'Searching...';
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resultElement.className = '';
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resultElement.style.display = 'block';
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// Get form values
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const formData = new FormData(this);
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const params = new URLSearchParams();
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// Add form fields to params
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for (const [key, value] of formData.entries()) {
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if (value) {
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params.append(key, value);
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}
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}
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// Handle custom date range
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if (formData.get('when') === 'custom') {
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params.delete('when');
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} else {
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params.delete('start');
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params.delete('stop');
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}
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// Prepare the request
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let url = '/event/search';
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let method = 'POST';
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let body = null;
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// If we have a drawn polygon, use it for the search
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if (drawnPolygon) {
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body = JSON.stringify({
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geometry: drawnPolygon
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});
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} else if (formData.get('near') || formData.get('bbox')) {
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// If we have near or bbox parameters, use GET request
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url = '/event?' + params.toString();
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method = 'GET';
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} else {
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// Default to a simple point search in Paris if no spatial filter is provided
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body = JSON.stringify({
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geometry: {
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type: 'Point',
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coordinates: [2.3522, 48.8566]
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}
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});
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}
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// Make the request
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fetch(url + (method === 'GET' ? '' : '?' + params.toString()), {
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method: method,
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headers: {
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'Content-Type': 'application/json'
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},
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body: method === 'POST' ? body : null
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})
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.then(response => {
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if (response.ok) {
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return response.json();
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} else {
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return response.text().then(text => {
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throw new Error(text || response.statusText);
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});
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}
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})
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.then(data => {
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// Show success message
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resultElement.textContent = `Found ${data.features ? data.features.length : 0} events`;
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resultElement.className = 'success';
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// Display results
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displayResults(data);
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})
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.catch(error => {
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// Show error message
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resultElement.textContent = `Error: ${error.message}`;
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resultElement.className = 'error';
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// Hide results container
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document.getElementById('resultsContainer').style.display = 'none';
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});
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});
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// Function to display search results
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function displayResults(data) {
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// Show results container
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document.getElementById('resultsContainer').style.display = 'block';
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// Initialize results map
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const resultsMap = new maplibregl.Map({
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container: 'resultsMap',
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style: 'https://tiles.openfreemap.org/styles/liberty',
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center: [2.3522, 48.8566], // Default center (Paris)
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zoom: 4
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});
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// Add navigation controls to results map
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resultsMap.addControl(new maplibregl.NavigationControl());
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// Add events to the map
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resultsMap.on('load', function() {
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// Add events as a source
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resultsMap.addSource('events', {
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type: 'geojson',
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data: data
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});
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// Add a circle layer for events
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resultsMap.addLayer({
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id: 'events-circle',
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type: 'circle',
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source: 'events',
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paint: {
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'circle-radius': 8,
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'circle-color': '#FF5722',
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'circle-stroke-width': 2,
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'circle-stroke-color': '#FFFFFF'
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}
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});
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// Add popups for events
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if (data.features) {
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data.features.forEach(feature => {
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const coordinates = feature.geometry.coordinates.slice();
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const properties = feature.properties;
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// Create popup content
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let popupContent = '<div class="event-popup">';
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popupContent += `<h3>${properties.label || 'Event'}</h3>`;
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// Display key properties
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if (properties.what) {
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popupContent += `<p><strong>Type:</strong> ${properties.what}</p>`;
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}
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if (properties.where) {
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popupContent += `<p><strong>Where:</strong> ${properties.where}</p>`;
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}
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if (properties.start) {
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popupContent += `<p><strong>Start:</strong> ${properties.start}</p>`;
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}
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if (properties.stop) {
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popupContent += `<p><strong>End:</strong> ${properties.stop}</p>`;
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}
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// Add link to view full event
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popupContent += `<p><a href="/event/${properties.id}" >View Event</a></p>`;
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popupContent += '</div>';
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// Create popup
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const popup = new maplibregl.Popup({
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closeButton: true,
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closeOnClick: true
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}).setHTML(popupContent);
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// Add marker with popup
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new maplibregl.Marker({
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color: '#FF5722'
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})
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.setLngLat(coordinates)
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.setPopup(popup)
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.addTo(resultsMap);
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});
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// Fit map to events bounds
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if (data.features.length > 0) {
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const bounds = new maplibregl.LngLatBounds();
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data.features.forEach(feature => {
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bounds.extend(feature.geometry.coordinates);
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});
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resultsMap.fitBounds(bounds, {
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padding: 50,
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maxZoom: 12
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});
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}
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}
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});
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// Populate table with results
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const tableBody = document.getElementById('resultsTable').getElementsByTagName('tbody')[0];
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tableBody.innerHTML = '';
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if (data.features) {
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data.features.forEach(feature => {
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const properties = feature.properties;
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const row = tableBody.insertRow();
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row.insertCell(0).textContent = properties.id || '';
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row.insertCell(1).textContent = properties.label || '';
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row.insertCell(2).textContent = properties.type || '';
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row.insertCell(3).textContent = properties.what || '';
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row.insertCell(4).textContent = properties.where || '';
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row.insertCell(5).textContent = properties.start || '';
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row.insertCell(6).textContent = properties.stop || '';
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});
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}
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// Store the data for download
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window.searchResults = data;
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}
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// Handle tab switching
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document.querySelectorAll('.tab-button').forEach(button => {
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button.addEventListener('click', () => {
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// Remove active class from all buttons and content
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document.querySelectorAll('.tab-button').forEach(btn => btn.classList.remove('active'));
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document.querySelectorAll('.tab-content').forEach(content => content.classList.remove('active'));
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// Add active class to clicked button and corresponding content
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button.classList.add('active');
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document.getElementById(button.dataset.tab).classList.add('active');
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});
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});
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// Handle CSV download
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document.getElementById('downloadCsv').addEventListener('click', () => {
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if (!window.searchResults || !window.searchResults.features) {
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alert('No search results to download');
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return;
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}
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// Convert GeoJSON to CSV
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let csv = 'id,label,type,what,where,start,stop,longitude,latitude\n';
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window.searchResults.features.forEach(feature => {
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const p = feature.properties;
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const coords = feature.geometry.coordinates;
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csv += `"${p.id || ''}","${p.label || ''}","${p.type || ''}","${p.what || ''}","${p.where || ''}","${p.start || ''}","${p.stop || ''}",${coords[0]},${coords[1]}\n`;
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});
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// Create download link
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const blob = new Blob([csv], { type: 'text/csv' });
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const url = URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = 'search_results.csv';
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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URL.revokeObjectURL(url);
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});
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// Handle JSON download
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document.getElementById('downloadJson').addEventListener('click', () => {
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if (!window.searchResults) {
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alert('No search results to download');
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return;
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}
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// Create download link
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const blob = new Blob([JSON.stringify(window.searchResults, null, 2)], { type: 'application/json' });
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const url = URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = 'search_results.json';
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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URL.revokeObjectURL(url);
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});
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