taukkis/kartta.html at master · mellowi/taukkis · GitHub

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml">
  <head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
    <title>Asdf</title>
    <script src="http://maps.google.com/maps/api/js?sensor=false" type="text/javascript"></script>
    <script src="js/RouteBoxer.js" type="text/javascript"></script>
    <script src="js/libs/jquery-1.8.0.js" type="text/javascript"></script>
    <script type="text/javascript">

    var map = null;
    var boxpolys = null;
    var markers = new Array();
    var directions = null;
    var routeBoxer = null;
    var distance = null; // km
    var infowindow = new google.maps.InfoWindow();
    var marker, i;

    function initialize() {
      // Default the map view to the continental U.S.
      var mapOptions = {
        center: new google.maps.LatLng(60.170806,24.941919),
        mapTypeId: google.maps.MapTypeId.ROADMAP,
        zoom: 4
      };

      map = new google.maps.Map(document.getElementById("map"), mapOptions);
      routeBoxer = new RouteBoxer();

      directionService = new google.maps.DirectionsService();
      directionsRenderer = new google.maps.DirectionsRenderer({ map: map });
    }

    function route() {
      // Clear any previous route boxes from the map
      clearBoxes();
      clearMarkers();

      distance = parseFloat(document.getElementById("distance").value);

      var request = {
        origin: document.getElementById("from").value,
        destination: document.getElementById("to").value,
        travelMode: google.maps.DirectionsTravelMode.DRIVING
      }

      // Make the directions request
      directionService.route(request, function(result, status) {
        if (status == google.maps.DirectionsStatus.OK) {
          directionsRenderer.setDirections(result);

          // Box around the overview path of the first route
          var path = result.routes[0].overview_path;
          var boxes = routeBoxer.box(path, distance);
          drawMarkers(boxes);
          drawBoxes(boxes);
        } else {
          alert("Directions query failed: " + status);
        }
      });
    }

  function addLocation(location) {
    marker = new google.maps.Marker({
      position: new google.maps.LatLng(location.lat, location.lon),
      map: map
    });

    google.maps.event.addListener(marker, 'click', (function(marker, i) {
      return function() {
        infowindow.setContent(location.title);
        infowindow.open(map, marker);
      }
    })(marker, i));

    markers.push(marker);
  }

    function drawMarkers(boxes) {
      for (var i=0; i < boxes.length; i++) {
        $.getJSON("/api/v1/pois.json?bbox="+boxes[i], function(json) {
          if (json.length>0) {
            for (i=0; i<json.length; i++) {
              var location = json[i];
              addLocation(location);
            }
          }
        });
      }
    }

    // Draw the array of boxes as polylines on the map
    function drawBoxes(boxes) {
      boxpolys = new Array(boxes.length);
      for (var i = 0; i < boxes.length; i++) {
        boxpolys[i] = new google.maps.Rectangle({
          bounds: boxes[i],
          fillOpacity: 0,
          strokeOpacity: 1.0,
          strokeColor: '#000000',
          strokeWeight: 1,
          map: map
        });
      }
    }

    // Clear boxes currently on the map
    function clearBoxes() {
      if (boxpolys != null) {
        for (var i = 0; i < boxpolys.length; i++) {
          boxpolys[i].setMap(null);
        }
      }
      boxpolys = null;
    }

    // Clear markers currently on the map
    function clearMarkers() {
      for (var i = 0; i < markers.length; i++ ) {
        markers[i].setMap(null);
      }
      markers = new Array();
    }
  </script>
  <style>
    #map {
      border: 1px solid black;
    }
  </style>
  </head>
  <body onload="initialize();">
    <div id="map" style="width: 800px; height: 600px;"></div>
    Box within at least <input type="text" id="distance" value="20" size="2">km
    of the route from <input type="text" id="from" value="Helsinki"/>
    to <input type="text" id="to" value="Oulu"/>
    <input type="submit" onclick="route()"/>
  </body>
</html>