Merge pull request #36 from trancen/feature/plugin-system
Add extensible plugin system for map layerspull/65/head
accius
2 days ago
committed by
GitHub
commit
6f5b4e9c95
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/**
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* PluginLayer Component
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* Renders a single plugin layer using its hook
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*/
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import React from 'react';
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export const PluginLayer = ({ plugin, enabled, opacity, map }) => {
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// Call the plugin's hook (this is allowed because it's in a component)
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const result = plugin.hook({ enabled, opacity, map });
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// Plugin hook handles its own rendering to the map
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// This component doesn't render anything to the DOM
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return null;
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};
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export default PluginLayer;
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/**
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* Layer Plugin Registry
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* Only Weather Radar for now
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*/
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import * as WXRadarPlugin from './layers/useWXRadar.js';
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import * as EarthquakesPlugin from './layers/useEarthquakes.js';
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const layerPlugins = [
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WXRadarPlugin,
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EarthquakesPlugin,
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];
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export function getAllLayers() {
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return layerPlugins
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.filter(plugin => plugin.metadata && plugin.useLayer)
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.map(plugin => ({
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id: plugin.metadata.id,
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name: plugin.metadata.name,
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description: plugin.metadata.description,
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icon: plugin.metadata.icon,
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defaultEnabled: plugin.metadata.defaultEnabled || false,
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defaultOpacity: plugin.metadata.defaultOpacity || 0.6,
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category: plugin.metadata.category || 'overlay',
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hook: plugin.useLayer
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}));
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}
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export function getLayerById(layerId) {
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const layers = getAllLayers();
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return layers.find(layer => layer.id === layerId) || null;
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}
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import { useState, useEffect } from 'react';
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//Scaled markers - Bigger circles for stronger quakes
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//Color-coded by magnitude:
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//Yellow: M2.5-3 (minor)
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//Orange: M3-4 (light)
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//Deep Orange: M4-5 (moderate)
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//Red: M5-6 (strong)
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//Dark Red: M6-7 (major)
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//Very Dark Red: M7+ (great)
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export const metadata = {
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id: 'earthquakes',
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name: 'Earthquakes',
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description: 'Live USGS earthquake data (M2.5+ from last 24 hours)',
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icon: '🌋',
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category: 'geology',
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defaultEnabled: false,
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defaultOpacity: 0.9,
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version: '1.0.0'
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};
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export function useLayer({ enabled = false, opacity = 0.9, map = null }) {
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const [markersRef, setMarkersRef] = useState([]);
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const [earthquakeData, setEarthquakeData] = useState([]);
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// Fetch earthquake data
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useEffect(() => {
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if (!enabled) return;
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const fetchEarthquakes = async () => {
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try {
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// USGS GeoJSON feed - M2.5+ from last day
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const response = await fetch(
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'https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/2.5_day.geojson'
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);
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const data = await response.json();
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setEarthquakeData(data.features || []);
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} catch (err) {
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console.error('Earthquake data fetch error:', err);
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}
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};
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fetchEarthquakes();
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// Refresh every 5 minutes
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const interval = setInterval(fetchEarthquakes, 300000);
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return () => clearInterval(interval);
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}, [enabled]);
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// Add/remove markers
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useEffect(() => {
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if (!map || typeof L === 'undefined') return;
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// Clear old markers
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markersRef.forEach(marker => {
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try {
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map.removeLayer(marker);
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} catch (e) {
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// Already removed
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}
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});
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setMarkersRef([]);
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if (!enabled || earthquakeData.length === 0) return;
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const newMarkers = [];
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earthquakeData.forEach(quake => {
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const coords = quake.geometry.coordinates;
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const props = quake.properties;
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const mag = props.mag;
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const lat = coords[1];
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const lon = coords[0];
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const depth = coords[2];
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// Skip if invalid coordinates
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if (!lat || !lon || isNaN(lat) || isNaN(lon)) return;
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// Calculate marker size based on magnitude (M2.5 = 8px, M7+ = 40px)
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const size = Math.min(Math.max(mag * 4, 8), 40);
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// Color based on magnitude
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let color;
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if (mag < 3) color = '#ffff00'; // Yellow - minor
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else if (mag < 4) color = '#ffaa00'; // Orange - light
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else if (mag < 5) color = '#ff6600'; // Deep orange - moderate
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else if (mag < 6) color = '#ff3300'; // Red - strong
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else if (mag < 7) color = '#cc0000'; // Dark red - major
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else color = '#990000'; // Very dark red - great
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// Create circle marker
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const circle = L.circleMarker([lat, lon], {
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radius: size / 2,
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fillColor: color,
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color: '#fff',
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weight: 2,
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opacity: opacity,
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fillOpacity: opacity * 0.7
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});
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// Format time
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const time = new Date(props.time);
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const timeStr = time.toLocaleString();
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// Add popup with details
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circle.bindPopup(`
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<div style="font-family: 'JetBrains Mono', monospace; min-width: 200px;">
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<div style="font-size: 16px; font-weight: bold; color: ${color}; margin-bottom: 8px;">
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M${mag.toFixed(1)} ${props.type === 'earthquake' ? '🌋' : '⚡'}
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</div>
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<table style="font-size: 12px; width: 100%;">
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<tr><td><b>Location:</b></td><td>${props.place || 'Unknown'}</td></tr>
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<tr><td><b>Time:</b></td><td>${timeStr}</td></tr>
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<tr><td><b>Depth:</b></td><td>${depth.toFixed(1)} km</td></tr>
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<tr><td><b>Magnitude:</b></td><td>${mag.toFixed(1)}</td></tr>
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<tr><td><b>Status:</b></td><td>${props.status || 'automatic'}</td></tr>
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${props.tsunami ? '<tr><td colspan="2" style="color: red; font-weight: bold;">⚠️ TSUNAMI WARNING</td></tr>' : ''}
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</table>
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${props.url ? `<a href="${props.url}" target="_blank" style="color: #00aaff; font-size: 11px;">View Details →</a>` : ''}
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</div>
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`);
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circle.addTo(map);
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newMarkers.push(circle);
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});
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setMarkersRef(newMarkers);
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return () => {
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newMarkers.forEach(marker => {
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try {
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map.removeLayer(marker);
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} catch (e) {
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// Already removed
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}
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});
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};
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}, [enabled, earthquakeData, map, opacity]);
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return {
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markers: markersRef,
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earthquakeCount: earthquakeData.length
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};
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}
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@ -0,0 +1,88 @@
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import { useState, useEffect } from 'react';
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export const metadata = {
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id: 'wxradar',
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name: 'Weather Radar',
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description: 'NEXRAD weather radar overlay for North America',
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icon: '☁️',
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category: 'weather',
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defaultEnabled: false,
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defaultOpacity: 0.6,
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version: '1.0.0'
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};
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export function useLayer({ enabled = false, opacity = 0.6, map = null }) {
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const [layerRef, setLayerRef] = useState(null);
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const [radarTimestamp, setRadarTimestamp] = useState(Date.now());
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const wmsConfig = {
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url: 'https://mesonet.agron.iastate.edu/cgi-bin/wms/nexrad/n0r.cgi',
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options: {
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layers: 'nexrad-n0r-900913',
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format: 'image/png',
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transparent: true,
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attribution: 'Weather data © Iowa State University Mesonet',
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opacity: opacity,
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zIndex: 200
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}
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};
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// Add/remove layer
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useEffect(() => {
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if (!map || typeof L === 'undefined') return;
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if (enabled && !layerRef) {
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try {
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const layer = L.tileLayer.wms(wmsConfig.url, wmsConfig.options);
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layer.addTo(map);
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setLayerRef(layer);
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} catch (err) {
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console.error('WXRadar error:', err);
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}
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} else if (!enabled && layerRef) {
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map.removeLayer(layerRef);
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setLayerRef(null);
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}
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return () => {
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if (layerRef && map) {
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try {
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map.removeLayer(layerRef);
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} catch (e) {
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// Layer already removed
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}
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}
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};
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}, [enabled, map]);
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// Update opacity
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useEffect(() => {
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if (layerRef) {
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layerRef.setOpacity(opacity);
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}
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}, [opacity, layerRef]);
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// Auto-refresh every 2 minutes
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useEffect(() => {
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if (!enabled) return;
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const interval = setInterval(() => {
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setRadarTimestamp(Date.now());
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}, 120000);
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return () => clearInterval(interval);
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}, [enabled]);
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// Force refresh
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useEffect(() => {
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if (layerRef && enabled) {
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layerRef.setParams({ t: radarTimestamp }, false);
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layerRef.redraw();
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}
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}, [radarTimestamp, layerRef, enabled]);
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return {
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layer: layerRef,
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refresh: () => setRadarTimestamp(Date.now())
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};
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}
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