From 79841c3f94ff2e50f51c38907ba2923735611af5 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Sun, 16 Oct 2022 18:30:55 -0700
Subject: Add route points

---
 modern/src/map/MapRoutePoints.js | 77 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 modern/src/map/MapRoutePoints.js

(limited to 'modern/src/map/MapRoutePoints.js')

diff --git a/modern/src/map/MapRoutePoints.js b/modern/src/map/MapRoutePoints.js
new file mode 100644
index 00000000..38a0e226
--- /dev/null
+++ b/modern/src/map/MapRoutePoints.js
@@ -0,0 +1,77 @@
+import { useId, useCallback, useEffect } from 'react';
+import { useTheme } from '@mui/styles';
+import { map } from './core/MapView';
+
+const MapPositions = ({ positions, onClick }) => {
+  const id = useId();
+
+  const theme = useTheme();
+
+  const onMouseEnter = () => map.getCanvas().style.cursor = 'pointer';
+  const onMouseLeave = () => map.getCanvas().style.cursor = '';
+
+  const onMarkerClick = useCallback((event) => {
+    event.preventDefault();
+    const feature = event.features[0];
+    if (onClick) {
+      onClick(feature.properties.id, feature.properties.index);
+    }
+  }, [onClick]);
+
+  useEffect(() => {
+    map.addSource(id, {
+      type: 'geojson',
+      data: {
+        type: 'FeatureCollection',
+        features: [],
+      },
+    });
+    map.addLayer({
+      id,
+      type: 'circle',
+      source: id,
+      paint: {
+        'circle-radius': 5,
+        'circle-color': theme.palette.colors.geometry,
+      },
+    });
+
+    map.on('mouseenter', id, onMouseEnter);
+    map.on('mouseleave', id, onMouseLeave);
+    map.on('click', id, onMarkerClick);
+
+    return () => {
+      map.off('mouseenter', id, onMouseEnter);
+      map.off('mouseleave', id, onMouseLeave);
+      map.off('click', id, onMarkerClick);
+
+      if (map.getLayer(id)) {
+        map.removeLayer(id);
+      }
+      if (map.getSource(id)) {
+        map.removeSource(id);
+      }
+    };
+  }, [onMarkerClick]);
+
+  useEffect(() => {
+    map.getSource(id).setData({
+      type: 'FeatureCollection',
+      features: positions.map((position, index) => ({
+        type: 'Feature',
+        geometry: {
+          type: 'Point',
+          coordinates: [position.longitude, position.latitude],
+        },
+        properties: {
+          index,
+          id: position.id,
+        },
+      })),
+    });
+  }, [positions]);
+
+  return null;
+};
+
+export default MapPositions;
-- 
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