johari.github.com/inspirations.html at master · johari/johari.github.com · GitHub

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<!DOCTYPE html>
<html>

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="author" content="Nima Johari" />
  <meta name="keywords"
    content="programming languages, davis, software engineer, johari, nima, نیما, جوهری, جوهری زاده, دیویس, کالیفرنیا" />
  <meta name="robots" content="index, follow">
  <meta name="description"
    content="Nima's internet corner. Nima Johari (Farsi: نیما جوهری) is a hobbyist, computer programmer and a PhD student currently in Davis, CA." />
  <title>Nima Johari</title>
  <link rel="stylesheet" href="grid.css">
  <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" />
  <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>
</head>

<body>
  <div id="elm-app"></div>
  <script src="elm.js"></script>
  <script>
    var app = Elm.Main.init({ node: document.getElementById("elm-app") });

    var map, markers;
    var selectionRect = null;
    var programmaticMove = false;
    var dragStart = null;
    var dragRect = null;

    // Defer map and focus until Elm has rendered the DOM
    requestAnimationFrame(function() {
      document.getElementById("search-input").focus();

      map = L.map("map", { boxZoom: false }).setView([30, 0], 2);
      setTimeout(function() { map.invalidateSize(); }, 100);
      L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
        attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>',
        maxZoom: 18
      }).addTo(map);

      markers = L.layerGroup().addTo(map);

      map.on("moveend", function() {
        if (programmaticMove) {
          programmaticMove = false;
          return;
        }
        if (selectionRect) return;
        var b = map.getBounds();
        app.ports.onBoundsSelect.send({
          south: b.getSouth(),
          west: b.getWest(),
          north: b.getNorth(),
          east: b.getEast()
        });
      });

      map.on("mousedown", function(e) {
        if (!e.originalEvent.shiftKey) {
          if (selectionRect && !dragStart) { clearSelection(); }
          return;
        }
        map.dragging.disable();
        dragStart = e.latlng;
        if (dragRect) { map.removeLayer(dragRect); dragRect = null; }
      });

      map.on("mousemove", function(e) {
        if (!dragStart) return;
        var bounds = L.latLngBounds(dragStart, e.latlng);
        if (dragRect) {
          dragRect.setBounds(bounds);
        } else {
          dragRect = L.rectangle(bounds, { color: "#3388ff", weight: 2, fillOpacity: 0.15 }).addTo(map);
        }
      });

      map.on("mouseup", function(e) {
        if (!dragStart) return;
        map.dragging.enable();
        var bounds = L.latLngBounds(dragStart, e.latlng);
        dragStart = null;
        if (dragRect) { map.removeLayer(dragRect); dragRect = null; }
        if (selectionRect) { map.removeLayer(selectionRect); }
        selectionRect = L.rectangle(bounds, { color: "#3388ff", weight: 2, fillOpacity: 0.1, dashArray: "6" }).addTo(map);
        var b = bounds;
        app.ports.onBoundsSelect.send({
          south: b.getSouth(),
          west: b.getWest(),
          north: b.getNorth(),
          east: b.getEast()
        });
      });

    });

    function addMarkerForLoc(loc) {
      var icon;
      if (loc.thumbnail) {
        icon = L.divIcon({
          className: "",
          html: '<div style="width:48px;height:48px;border:2px solid #333;border-radius:4px;overflow:hidden;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,0.3)"><img src="' + loc.thumbnail + '" style="width:100%;height:100%;object-fit:cover" /></div>',
          iconSize: [52, 52],
          iconAnchor: [26, 26],
          popupAnchor: [0, -26]
        });
      } else {
        icon = L.divIcon({
          className: "",
          html: '<div style="width:32px;height:32px;border:2px solid #333;border-radius:4px;background:#6cf;box-shadow:0 1px 4px rgba(0,0,0,0.3)"></div>',
          iconSize: [36, 36],
          iconAnchor: [18, 18],
          popupAnchor: [0, -18]
        });
      }
      var marker = L.marker([loc.lat, loc.lng], { icon: icon }).bindPopup(loc.label);
      marker.on("click", function() {
        map.setView([loc.lat, loc.lng], 15);
      });
      markers.addLayer(marker);
    }

    function renderMarkers(locations) {
      programmaticMove = true;
      markers.clearLayers();
      if (locations.length === 0) {
        map.setView([30, 0], 2);
        return;
      }
      var bounds = [];
      locations.forEach(function(loc) {
        addMarkerForLoc(loc);
        bounds.push([loc.lat, loc.lng]);
      });
      if (bounds.length === 1) {
        map.setView(bounds[0], 10);
      } else {
        map.fitBounds(bounds, { padding: [40, 40] });
      }
    }

    function clearSelection() {
      if (selectionRect) { map.removeLayer(selectionRect); selectionRect = null; }
      app.ports.onBoundsSelect.send(null);
    }

    app.ports.updateMap.subscribe(function(locations) {
      if (!map) return;
      if (selectionRect) { map.removeLayer(selectionRect); selectionRect = null; }
      renderMarkers(locations);
    });

    app.ports.setInputValue.subscribe(function(value) {
      var el = document.getElementById("search-input");
      if (el) { el.value = value; el.focus(); }
    });

    document.addEventListener("keydown", function(e) {
      if ((e.metaKey || e.ctrlKey) && e.key === "z") {
        e.preventDefault();
        app.ports.onUndo.send(null);
      }
      if (e.key === "Tab" && document.activeElement && document.activeElement.id === "search-input") {
        e.preventDefault();
        app.ports.onTab.send(null);
      }
      if (e.key === "Escape" && selectionRect) {
        clearSelection();
      }
    });
  </script>
</body>
</html>