Cobacoba/index.html at main · F-Codex/Cobacoba · GitHub

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<!DOCTYPE html>
<html>
<head>
  <title>Leaflet - Live Tracking + Rute & Luasan</title>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />

  <!-- Leaflet & Plugin CSS -->
  <link rel="stylesheet" href="https://unpkg.com/leaflet/dist/leaflet.css" />
  <link rel="stylesheet" href="https://unpkg.com/leaflet-control-layers/dist/leaflet-control-layers.min.css" />

  <style>
    #map { height: 100vh; width: 100%; }
    #locate-button, #start-pause-button, #export-geojson {
      position: absolute;
      bottom: 10px;
      right: 10px;
      z-index: 1000;
      background: white;
      padding: 6px 12px;
      margin-top: 5px;
      border: 1px solid #ccc;
      border-radius: 4px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.3);
      cursor: pointer;
    }
    #start-pause-button { bottom: 50px; }
    #export-geojson { bottom: 90px; }

    .info {
      padding: 8px 12px;
      background: white;
      border-radius: 4px;
      box-shadow: 0 0 5px rgba(0,0,0,0.2);
      font-size: 14px;
    }

    .popup-table {
      font-size: 14px;
      border-collapse: collapse;
    }

    .popup-table td {
      padding: 3px 6px;
      border-bottom: 1px solid #ddd;
    }

    .popup-table td:first-child {
      font-weight: bold;
    }
  </style>
</head>
<body>

<div id="map"></div>
<button id="locate-button">Lokasi Saya</button>
<button id="start-pause-button">Mulai Tracking</button>
<button id="export-geojson">Simpan GeoJSON</button>

<!-- Scripts -->
<script src="https://unpkg.com/leaflet/dist/leaflet.js"></script>
<script src="https://unpkg.com/leaflet-control-layers/dist/leaflet-control-layers.min.js"></script>
<script src="https://unpkg.com/leaflet-ajax/dist/leaflet.ajax.min.js"></script>
<script src="https://unpkg.com/@turf/turf/turf.min.js"></script>

<script>
  const map = L.map('map').setView([-7.8, 110.3], 12);
  const osm = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
    maxZoom: 19, attribution: '© OpenStreetMap contributors'
  }).addTo(map);
  const googleSat = L.tileLayer('https://mt1.google.com/vt/lyrs=s&x={x}&y={y}&z={z}', { maxZoom: 20 });
  const googleStreet = L.tileLayer('https://mt1.google.com/vt/lyrs=m&x={x}&y={y}&z={z}', { maxZoom: 20 });
  const esriImagery = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', { maxZoom: 20 });

  const baseMaps = {
    "OpenStreetMap": osm,
    "Google Street": googleStreet,
    "Google Satellite": googleSat,
    "Esri Imagery": esriImagery
  };
  L.control.layers(baseMaps).addTo(map);

  // GeoJSON eksternal
  new L.GeoJSON.AJAX("blok_demo1.geojson", {
    onEachFeature: function (feature, layer) {
      const props = feature.properties;
      let popup = 'Tidak ada atribut.';
      if (props.name) {
        const attributes = props.name.split(',').map(pair => pair.trim().split(':'));
        popup = `<table class="popup-table">`;
        attributes.forEach(([k, v]) => {
          popup += `<tr><td><b>${k}</b></td><td>${v || '-'}</td></tr>`;
        });
        popup += `</table>`;
      }
      layer.bindPopup(popup);
    },
    style: { color: "#FF6600", weight: 1.5, fillOpacity: 0.2 }
  }).addTo(map);

  // Tracking
  let marker, lastLatLng;
  let trackPoints = [];
  let routeLine = L.polyline([], { color: 'blue' }).addTo(map);
  let areaPolygon;
  let totalDistance = 0;
  let tracking = false;
  let watchID = null;

  const infoBox = L.control({ position: 'topleft' });
  infoBox.onAdd = function () {
    this._div = L.DomUtil.create('div', 'info');
    this.update();
    return this._div;
  };
  infoBox.update = function (dist = 0, area = 0) {
    this._div.innerHTML = `
      <h4>Info Tracking</h4>
      <b>Jarak:</b> ${(dist / 1000).toFixed(2)} km<br>
      <b>Luas:</b> ${area > 0 ? area.toFixed(2) + ' m² (' + (area / 10000).toFixed(2) + ' ha)' : '-'}
    `;
  };
  infoBox.addTo(map);

  function startTracking() {
    if (!navigator.geolocation) {
      alert("Browser tidak mendukung geolocation.");
      return;
    }

    tracking = true;
    document.getElementById('start-pause-button').innerText = "Pause Tracking";

    watchID = navigator.geolocation.watchPosition(
      (position) => {
        const latlng = [position.coords.latitude, position.coords.longitude];
        lastLatLng = latlng;

        if (!marker) {
          marker = L.circleMarker(latlng, {
            radius: 8, fillColor: "#4285F4", color: "#fff", weight: 2, fillOpacity: 1
          }).addTo(map);
        } else {
          marker.setLatLng(latlng);
        }

        map.setView(latlng, 18);

        if (tracking) {
          trackPoints.push(latlng);
          routeLine.setLatLngs(trackPoints);

          if (trackPoints.length > 1) {
            const from = turf.point(trackPoints[trackPoints.length - 2]);
            const to = turf.point(trackPoints[trackPoints.length - 1]);
            const segment = turf.distance(from, to, { units: 'meters' });
            totalDistance += segment;
          }

          infoBox.update(totalDistance, areaPolygon ? turf.area(areaPolygon.toGeoJSON()) : 0);
        }
      },
      (err) => alert("Gagal tracking lokasi: " + err.message),
      { enableHighAccuracy: true, maximumAge: 0, timeout: 5000 }
    );
  }

  function pauseTracking() {
    tracking = false;
    if (watchID !== null) {
      navigator.geolocation.clearWatch(watchID);
      watchID = null;
    }
    document.getElementById('start-pause-button').innerText = "Mulai Tracking";
  }

  document.getElementById("start-pause-button").onclick = function () {
    if (!tracking) {
      startTracking();
    } else {
      pauseTracking();
    }
  };

  document.getElementById("locate-button").onclick = function () {
    if (lastLatLng) {
      map.setView(lastLatLng, 18);
    }
  };

  document.getElementById("export-geojson").onclick = function () {
    const features = [];

    if (trackPoints.length > 1) {
      const line = turf.lineString(trackPoints, { name: "Rute Tracking" });
      features.push(line);
    }

    if (trackPoints.length > 2) {
      const closed = [...trackPoints, trackPoints[0]];
      const polygon = turf.polygon([closed], { name: "Area Tracking" });
      features.push(polygon);
    }

    if (features.length === 0) {
      alert("Belum ada data untuk disimpan.");
      return;
    }

    const geojson = {
      type: "FeatureCollection",
      features: features
    };

    const blob = new Blob([JSON.stringify(geojson)], { type: "application/json" });
    const url = URL.createObjectURL(blob);
    const a = document.createElement("a");
    a.href = url;
    a.download = "tracking_result.geojson";
    document.body.appendChild(a);
    a.click();
    document.body.removeChild(a);
  };
</script>

</body>
</html>