starting zone element done

traque-front/app/team/track/page.js

@@ -3,7 +3,7 @@ import ActionDrawer from '@/components/team/actionDrawer';
 import { useTeamConnexion } from '@/context/teamConnexionContext';
 import useGame from '@/hook/useGame';
 import dynamic from 'next/dynamic';
-import React, { use } from 'react'
+import React from 'react'
 
 //Load the map without SSR
 const LiveMap = dynamic(() => import('@/components/team/map'), {

traque-front/components/admin/mapPicker.jsx

@@ -0,0 +1,70 @@
+"use client";
+import { useLocation } from "@/hook/useLocation";
+import { use, useEffect, useState } from "react";
+import "leaflet/dist/leaflet.css";
+import { Circle, MapContainer, TileLayer, useMap } from "react-leaflet";
+
+function MapPan(props) {
+    const map = useMap();
+    const [initialized, setInitialized] = useState(false);
+
+    useEffect(() => {
+        if (!initialized && props.center) {
+            map.flyTo(props.center, props.zoom, { animate: false });
+            setInitialized(true)
+        }
+    }, [props.center]);
+    return null;
+}
+
+function MapEventListener({onClick, onMouseMove}) {
+    const map = useMap();
+    useEffect(() => {
+        map.on('click', onClick);
+        return () => {
+            map.off('click', onClick);
+        }
+    }, [onClick]);
+    useEffect(() => {
+        map.on('mousemove', onMouseMove);
+        return () => {
+            map.off('mousemove', onMouseMove);
+        }
+    });
+    return null;
+}
+
+export function CircularAreaPicker({area, setArea, ...props}) {
+    const DEFAULT_ZOOM = 17;
+    const location = useLocation(Infinity);
+    const [drawing, setDrawing] = useState(false);
+    const [center, setCenter] = useState(area?.center || null);
+    const [radius, setRadius] = useState(area?.radius || null);
+
+    function handleClick(e) {
+        if(!drawing) {
+            setCenter(e.latlng);
+            setRadius(null);
+            setDrawing(true);
+        } else {
+            setDrawing(false);
+            setArea({center, radius});
+        }
+    }
+
+    function handleMouseMove(e) {
+        if(drawing) {
+            setRadius(e.latlng.distanceTo(center));
+        }
+    }
+    return (
+        <MapContainer  {...props} className='min-h-full w-full ' center={[0, 0]} zoom={0} scrollWheelZoom={true}>
+            <TileLayer
+                attribution='&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
+                url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
+            />
+            {center && radius && <Circle center={center} radius={radius} fillColor="blue"/>}
+            <MapPan center={location} zoom={DEFAULT_ZOOM} />
+            <MapEventListener onClick={handleClick} onMouseMove={handleMouseMove} />
+        </MapContainer>)
+}

traque-front/components/admin/teamEdit.jsx

@@ -2,6 +2,11 @@ import React, { useEffect, useState } from 'react'
 import TextInput from '../util/textInput'
 import Button from '../util/button';
 import useAdmin from '@/hook/useAdmin';
+import dynamic from 'next/dynamic';
+
+const CircularAreaPicker = dynamic(() => import('./mapPicker').then((mod) => mod.CircularAreaPicker), {
+    ssr: false
+});
 
 export default function TeamEdit({ selectedTeamId, setSelectedTeamId }) {
     const [newTeamName, setNewTeamName] = React.useState('');
@@ -35,6 +40,8 @@ export default function TeamEdit({selectedTeamId, setSelectedTeamId}) {
     }
 
     return (team &&
+        <div className='flex flex-col h-full'>
+
             <div className='flex flex-row'>
                 <div className='w-1/2 flex flex-col space-y-3 mx-2'>
                     <h2 className='text-2xl text-center'>Actions</h2>
@@ -59,5 +66,10 @@ export default function TeamEdit({selectedTeamId, setSelectedTeamId}) {
                     </div>
                 </div>
             </div>
+            <div className='m-5 h-full flex flex-col'>
+                <h2 className='text-2xl text-center'>Starting area</h2>
+                <CircularAreaPicker area={team.startingArea} setArea={(startingArea) => setTeam({ ...team, startingArea })} />
+            </div>
+        </div>
     )
 }

traque-front/hook/useLocation.jsx

@@ -9,9 +9,12 @@ export function useLocation(interval) {
     const [location, setLocation] = useState();
     useEffect(() => {
         function update() {
+            console.log('Updating location');
             navigator.geolocation.getCurrentPosition((position) => {
                 setLocation([position.coords.latitude, position.coords.longitude]);
+                if(interval != Infinity) {
                     setTimeout(update, interval);
+                }
             }, () => { }, { enableHighAccuracy: true, timeout: Infinity, maximumAge: 0 });
         }
         update();