aprs.me/assets/js/minimal_map.js
2025-06-16 08:59:28 -05:00

366 lines
9.6 KiB
JavaScript

// Minimal APRS Map Hook - handles only basic map interaction
// All data logic handled by LiveView
let MinimalAPRSMap = {
mounted() {
console.log("MinimalAPRSMap hook mounted");
// Get initial center and zoom from server-provided data attributes
const initialCenter = JSON.parse(this.el.dataset.center);
const initialZoom = parseInt(this.el.dataset.zoom);
console.log("Initializing minimal map with center:", initialCenter, "and zoom:", initialZoom);
// Initialize basic map
this.map = L.map(this.el, {
zoomControl: true,
attributionControl: true,
closePopupOnClick: true,
}).setView([initialCenter.lat, initialCenter.lng], initialZoom);
// Add OpenStreetMap tile layer
L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
attribution:
'&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors | APRS.me',
maxZoom: 19,
}).addTo(this.map);
// Store markers for management
this.markers = new Map();
this.markerLayer = L.layerGroup().addTo(this.map);
// Force initial size calculation
this.map.invalidateSize();
// Track when map is ready
this.map.whenReady(() => {
console.log("Minimal map is ready");
this.pushEvent("map_ready", {});
this.sendBoundsToServer();
});
// Send bounds to LiveView when map moves
this.map.on("moveend", () => {
if (this.boundsTimer) clearTimeout(this.boundsTimer);
this.boundsTimer = setTimeout(() => {
this.sendBoundsToServer();
}, 300);
});
// Handle resize
window.addEventListener("resize", () => {
this.map.invalidateSize();
});
// LiveView event handlers
this.setupLiveViewHandlers();
},
setupLiveViewHandlers() {
// Add single marker
this.handleEvent("add_marker", (data) => {
this.addMarker(data);
});
// Add multiple markers at once
this.handleEvent("add_markers", (data) => {
if (data.markers && Array.isArray(data.markers)) {
data.markers.forEach((marker) => this.addMarker(marker));
}
});
// Remove marker
this.handleEvent("remove_marker", (data) => {
this.removeMarker(data.id);
});
// Clear all markers
this.handleEvent("clear_markers", () => {
this.clearAllMarkers();
});
// Update marker
this.handleEvent("update_marker", (data) => {
this.updateMarker(data);
});
// Zoom to location
this.handleEvent("zoom_to_location", (data) => {
if (data.lat && data.lng) {
const lat = parseFloat(data.lat);
const lng = parseFloat(data.lng);
const zoom = parseInt(data.zoom || 12);
this.map.setView([lat, lng], zoom, {
animate: true,
duration: 1,
});
}
});
// Handle geolocation requests
this.handleEvent("request_geolocation", () => {
if ("geolocation" in navigator) {
navigator.geolocation.getCurrentPosition(
(position) => {
const { latitude, longitude } = position.coords;
this.pushEvent("set_location", { lat: latitude, lng: longitude });
},
(error) => {
console.warn("Geolocation error:", error.message);
this.pushEvent("geolocation_error", { error: error.message });
},
);
} else {
console.warn("Geolocation not available");
this.pushEvent("geolocation_error", { error: "Geolocation not supported" });
}
});
// Handle new packets from LiveView
this.handleEvent("new_packet", (data) => {
this.addMarker({
...data,
historical: false,
popup: this.buildPopupContent(data),
});
});
// Handle historical packets during replay
this.handleEvent("historical_packet", (data) => {
this.addMarker({
...data,
historical: true,
popup: this.buildPopupContent(data),
});
});
// Handle refresh markers event
this.handleEvent("refresh_markers", () => {
// Remove markers for packets that are no longer visible
// This could be implemented to clean up old markers based on timestamp
console.log("Refresh markers event received");
});
// Handle clearing historical packets
this.handleEvent("clear_historical_packets", () => {
// Remove all historical markers
const markersToRemove = [];
this.markers.forEach((marker, id) => {
if (marker._isHistorical) {
markersToRemove.push(id);
}
});
markersToRemove.forEach((id) => this.removeMarker(id));
});
},
sendBoundsToServer() {
if (!this.map) return;
const bounds = this.map.getBounds();
const center = this.map.getCenter();
const zoom = this.map.getZoom();
this.pushEvent("bounds_changed", {
bounds: {
north: bounds.getNorth(),
south: bounds.getSouth(),
east: bounds.getEast(),
west: bounds.getWest(),
},
center: {
lat: center.lat,
lng: center.lng,
},
zoom: zoom,
});
},
addMarker(data) {
if (!data.id || !data.lat || !data.lng) {
console.warn("Invalid marker data:", data);
return;
}
const lat = parseFloat(data.lat);
const lng = parseFloat(data.lng);
// Validate coordinates
if (isNaN(lat) || isNaN(lng) || lat < -90 || lat > 90 || lng < -180 || lng > 180) {
console.warn("Invalid coordinates:", lat, lng);
return;
}
// Remove existing marker if it exists
this.removeMarker(data.id);
// Create marker icon
const icon = this.createMarkerIcon(data);
// Create marker
const marker = L.marker([lat, lng], { icon: icon });
// Add popup if content provided
if (data.popup) {
marker.bindPopup(data.popup);
}
// Handle marker click
marker.on("click", () => {
this.pushEvent("marker_clicked", {
id: data.id,
callsign: data.callsign,
lat: lat,
lng: lng,
});
});
// Mark historical markers for identification
if (data.historical) {
marker._isHistorical = true;
}
// Add to map and store reference
marker.addTo(this.markerLayer);
this.markers.set(data.id, marker);
},
removeMarker(id) {
const marker = this.markers.get(id);
if (marker) {
this.markerLayer.removeLayer(marker);
this.markers.delete(id);
}
},
updateMarker(data) {
if (!data.id) return;
const existingMarker = this.markers.get(data.id);
if (existingMarker) {
// Update position if provided
if (data.lat && data.lng) {
const lat = parseFloat(data.lat);
const lng = parseFloat(data.lng);
if (!isNaN(lat) && !isNaN(lng)) {
existingMarker.setLatLng([lat, lng]);
}
}
// Update popup if provided
if (data.popup) {
existingMarker.setPopupContent(data.popup);
}
// Update icon if data changed
if (data.symbol_table || data.symbol_code || data.color) {
const newIcon = this.createMarkerIcon(data);
existingMarker.setIcon(newIcon);
}
} else {
// Marker doesn't exist, create it
this.addMarker(data);
}
},
clearAllMarkers() {
this.markerLayer.clearLayers();
this.markers.clear();
},
createMarkerIcon(data) {
// Get symbol information
const symbolTableId = data.symbol_table_id || "/";
const symbolCode = data.symbol_code || ">";
// Determine sprite file based on symbol table
let spriteFile;
switch (symbolTableId) {
case "/":
spriteFile = "/aprs-symbols/aprs-symbols-24-0.png";
break;
case "\\":
spriteFile = "/aprs-symbols/aprs-symbols-24-1.png";
break;
default:
spriteFile = "/aprs-symbols/aprs-symbols-24-0.png";
}
// Calculate sprite position
const charCode = symbolCode.charCodeAt(0);
const position = charCode - 32;
const col = position % 16;
const row = Math.floor(position / 16);
const x = -col * 24;
const y = -row * 24;
// Use different opacity for historical markers
const opacity = data.historical ? 0.7 : 1.0;
return L.divIcon({
html: `<div style="
background-image: url('${spriteFile}');
background-position: ${x}px ${y}px;
background-repeat: no-repeat;
width: 24px;
height: 24px;
opacity: ${opacity};
background-size: auto;
"></div>`,
className: data.historical ? "aprs-marker historical-marker" : "aprs-marker",
iconSize: [24, 24],
iconAnchor: [12, 12],
popupAnchor: [0, -12],
});
},
buildPopupContent(data) {
const callsign = data.callsign || data.id || "Unknown";
const comment = data.comment || "";
const symbolDesc = data.symbol_description || "Unknown symbol";
let content = `<div class="aprs-popup">
<div class="aprs-callsign"><strong>${callsign}</strong></div>
<div class="aprs-symbol-info">${symbolDesc}</div>`;
if (comment) {
content += `<div class="aprs-comment">${comment}</div>`;
}
if (data.lat && data.lng) {
content += `<div class="aprs-coords">
${data.lat.toFixed(4)}, ${data.lng.toFixed(4)}
</div>`;
}
content += `</div>`;
return content;
},
destroyed() {
console.log("MinimalAPRSMap hook destroyed");
// Clean up timers
if (this.boundsTimer) {
clearTimeout(this.boundsTimer);
}
// Clean up markers
if (this.markerLayer) {
this.markerLayer.clearLayers();
}
if (this.markers) {
this.markers.clear();
}
// Clean up map
if (this.map) {
this.map.remove();
this.map = null;
}
},
};
export default MinimalAPRSMap;