Introduce drag event callback for route endpoints

[rails.git] / app / assets / javascripts / index / directions.js

diff --git a/app/assets/javascripts/index/directions.js b/app/assets/javascripts/index/directions.js
index 2a1e045dae4efc2bf61a5c5c75ce80ac54849f65..8d9263323e44c154f60a77ede80f1eb8425da3df 100644 (file)
--- a/app/assets/javascripts/index/directions.js
+++ b/app/assets/javascripts/index/directions.js
@@ -1,32 +1,54 @@
 //= require_self
 //= require_tree ./directions
 //= require_self
 //= require_tree ./directions

+//= require qs/dist/qs

 
 OSM.Directions = function (map) {
 
 OSM.Directions = function (map) {

-  var awaitingGeocode; // true if the user has requested a route, but we're waiting on a geocode result
-  var awaitingRoute;   // true if we've asked the engine for a route and are waiting to hear back
-  var dragging;        // true if the user is dragging a start/end point
+  var awaitingRoute; // true if we've asked the engine for a route and are waiting to hear back

   var chosenEngine;
 
   var chosenEngine;
 

-  var popup = L.popup();
+  var popup = L.popup({ autoPanPadding: [100, 100] });

 
   var polyline = L.polyline([], {
 
   var polyline = L.polyline([], {

-    color: '#03f',
+    color: "#03f",

     opacity: 0.3,
     weight: 10
   });
 
   var highlight = L.polyline([], {
     opacity: 0.3,
     weight: 10
   });
 
   var highlight = L.polyline([], {

-    color: '#ff0',
+    color: "#ff0",

     opacity: 0.5,
     weight: 12
   });
 
     opacity: 0.5,
     weight: 12
   });
 

+  var endpointDragCallback = function (dragging) {
+    if (map.hasLayer(polyline)) {
+      getRoute(false, !dragging);
+    }
+  };
+

   var endpoints = [
   var endpoints = [

-    Endpoint($("input[name='route_from']"), OSM.MARKER_GREEN),
-    Endpoint($("input[name='route_to']"), OSM.MARKER_RED)
+    Endpoint($("input[name='route_from']"), OSM.MARKER_GREEN, endpointDragCallback),
+    Endpoint($("input[name='route_to']"), OSM.MARKER_RED, endpointDragCallback)

   ];
 
   ];
 

-  function Endpoint(input, iconUrl) {
+  var expiry = new Date();
+  expiry.setYear(expiry.getFullYear() + 10);
+
+  var engines = OSM.Directions.engines;
+
+  engines.sort(function (a, b) {
+    var localised_a = I18n.t("javascripts.directions.engines." + a.id),
+        localised_b = I18n.t("javascripts.directions.engines." + b.id);
+    return localised_a.localeCompare(localised_b);
+  });
+
+  var select = $("select.routing_engines");
+
+  engines.forEach(function (engine, i) {
+    select.append("<option value='" + i + "'>" + I18n.t("javascripts.directions.engines." + engine.id) + "</option>");
+  });
+
+  function Endpoint(input, iconUrl, dragCallback) {

     var endpoint = {};
 
     endpoint.marker = L.marker([0, 0], {
     var endpoint = {};
 
     endpoint.marker = L.marker([0, 0], {


@@ -38,17 +60,20 @@ OSM.Directions = function (map) {
         shadowUrl: OSM.MARKER_SHADOW,
         shadowSize: [41, 41]
       }),
         shadowUrl: OSM.MARKER_SHADOW,
         shadowSize: [41, 41]
       }),

-      draggable: true
+      draggable: true,
+      autoPan: true

     });
 
     });
 

-    endpoint.marker.on('drag dragend', function (e) {
-      dragging = (e.type === 'drag');
+    endpoint.marker.on("drag dragend", function (e) {
+      var dragging = (e.type === "drag");

       if (dragging && !chosenEngine.draggable) return;
       if (dragging && awaitingRoute) return;
       endpoint.setLatLng(e.target.getLatLng());
       if (dragging && !chosenEngine.draggable) return;
       if (dragging && awaitingRoute) return;
       endpoint.setLatLng(e.target.getLatLng());

-      if (map.hasLayer(polyline)) {
-        getRoute();
-      }
+      dragCallback(dragging);
+    });
+
+    input.on("keydown", function () {
+      input.removeClass("is-invalid");

     });
 
     input.on("change", function (e) {
     });
 
     input.on("change", function (e) {


@@ -57,14 +82,20 @@ OSM.Directions = function (map) {
       endpoint.setValue(value);
     });
 
       endpoint.setValue(value);
     });
 

-    endpoint.setValue = function(value) {
+    endpoint.setValue = function (value, latlng) {

       endpoint.value = value;
       delete endpoint.latlng;
       endpoint.value = value;
       delete endpoint.latlng;

+      input.removeClass("is-invalid");

       input.val(value);
       input.val(value);

-      endpoint.getGeocode();
+
+      if (latlng) {
+        endpoint.setLatLng(latlng);
+      } else {
+        endpoint.getGeocode();
+      }

     };
 
     };
 

-    endpoint.getGeocode = function() {
+    endpoint.getGeocode = function () {

       // if no one has entered a value yet, then we can't geocode, so don't
       // even try.
       if (!endpoint.value) {
       // if no one has entered a value yet, then we can't geocode, so don't
       // even try.
       if (!endpoint.value) {


@@ -73,25 +104,22 @@ OSM.Directions = function (map) {
 
       endpoint.awaitingGeocode = true;
 
 
       endpoint.awaitingGeocode = true;
 

-      $.getJSON(document.location.protocol + OSM.NOMINATIM_URL + 'search?q=' + encodeURIComponent(endpoint.value) + '&format=json', function (json) {
+      var viewbox = map.getBounds().toBBoxString(); // <sw lon>,<sw lat>,<ne lon>,<ne lat>
+
+      $.getJSON(OSM.NOMINATIM_URL + "search?q=" + encodeURIComponent(endpoint.value) + "&format=json&viewbox=" + viewbox, function (json) {

         endpoint.awaitingGeocode = false;
         endpoint.hasGeocode = true;
         if (json.length === 0) {
         endpoint.awaitingGeocode = false;
         endpoint.hasGeocode = true;
         if (json.length === 0) {

-          alert(I18n.t('javascripts.directions.errors.no_place'));
+          input.addClass("is-invalid");
+          alert(I18n.t("javascripts.directions.errors.no_place", { place: endpoint.value }));

           return;
         }
 
           return;
         }
 

-        input.val(json[0].display_name);
+        endpoint.setLatLng(L.latLng(json[0]));

 
 

-        endpoint.latlng = L.latLng(json[0]);
-        endpoint.marker
-          .setLatLng(endpoint.latlng)
-          .addTo(map);
+        input.val(json[0].display_name);

 
 

-        if (awaitingGeocode) {
-          awaitingGeocode = false;
-          getRoute();
-        }
+        getRoute(true, true);

       });
     };
 
       });
     };
 


@@ -108,7 +136,26 @@ OSM.Directions = function (map) {
     return endpoint;
   }
 
     return endpoint;
   }
 

-  $(".directions_form .close").on("click", function(e) {
+  $(".directions_form .reverse_directions").on("click", function () {
+    var coordFrom = endpoints[0].latlng,
+        coordTo = endpoints[1].latlng,
+        routeFrom = "",
+        routeTo = "";
+    if (coordFrom) {
+      routeFrom = coordFrom.lat + "," + coordFrom.lng;
+    }
+    if (coordTo) {
+      routeTo = coordTo.lat + "," + coordTo.lng;
+    }
+
+    OSM.router.route("/directions?" + Qs.stringify({
+      from: $("#route_to").val(),
+      to: $("#route_from").val(),
+      route: routeTo + ";" + routeFrom
+    }));
+  });
+
+  $(".directions_form .btn-close").on("click", function (e) {

     e.preventDefault();
     var route_from = endpoints[0].value;
     if (route_from) {
     e.preventDefault();
     var route_from = endpoints[0].value;
     if (route_from) {


@@ -120,31 +167,37 @@ OSM.Directions = function (map) {
 
   function formatDistance(m) {
     if (m < 1000) {
 
   function formatDistance(m) {
     if (m < 1000) {

-      return Math.round(m) + "m";
+      return I18n.t("javascripts.directions.distance_m", { distance: Math.round(m) });

     } else if (m < 10000) {
     } else if (m < 10000) {

-      return (m / 1000.0).toFixed(1) + "km";
+      return I18n.t("javascripts.directions.distance_km", { distance: (m / 1000.0).toFixed(1) });

     } else {
     } else {

-      return Math.round(m / 1000) + "km";
+      return I18n.t("javascripts.directions.distance_km", { distance: Math.round(m / 1000) });

     }
   }
 
     }
   }
 

+  function formatHeight(m) {
+    return I18n.t("javascripts.directions.distance_m", { distance: Math.round(m) });
+  }
+

   function formatTime(s) {
     var m = Math.round(s / 60);
     var h = Math.floor(m / 60);
     m -= h * 60;
   function formatTime(s) {
     var m = Math.round(s / 60);
     var h = Math.floor(m / 60);
     m -= h * 60;

-    return h + ":" + (m < 10 ? '0' : '') + m;
+    return h + ":" + (m < 10 ? "0" : "") + m;

   }
 
   }
 

-  function setEngine(id) {
-    engines.forEach(function(engine, i) {
-      if (engine.id === id) {
-        chosenEngine = engine;
-        select.val(i);
-      }
+  function findEngine(id) {
+    return engines.findIndex(function (engine) {
+      return engine.id === id;

     });
   }
 
     });
   }
 

-  function getRoute() {
+  function setEngine(index) {
+    chosenEngine = engines[index];
+    select.val(index);
+  }
+
+  function getRoute(fitRoute, reportErrors) {

     // Cancel any route that is already in progress
     if (awaitingRoute) awaitingRoute.abort();
 
     // Cancel any route that is already in progress
     if (awaitingRoute) awaitingRoute.abort();
 


@@ -154,11 +207,9 @@ OSM.Directions = function (map) {
       var endpoint = endpoints[ep_i];
       if (!endpoint.hasGeocode && !endpoint.awaitingGeocode) {
         endpoint.getGeocode();
       var endpoint = endpoints[ep_i];
       if (!endpoint.hasGeocode && !endpoint.awaitingGeocode) {
         endpoint.getGeocode();

-        awaitingGeocode = true;

       }
     }
     if (endpoints[0].awaitingGeocode || endpoints[1].awaitingGeocode) {
       }
     }
     if (endpoints[0].awaitingGeocode || endpoints[1].awaitingGeocode) {

-      awaitingGeocode = true;

       return;
     }
 
       return;
     }
 


@@ -170,16 +221,16 @@ OSM.Directions = function (map) {
 
     var precision = OSM.zoomPrecision(map.getZoom());
 
 
     var precision = OSM.zoomPrecision(map.getZoom());
 

-    OSM.router.replace("/directions?" + querystring.stringify({
+    OSM.router.replace("/directions?" + Qs.stringify({

       engine: chosenEngine.id,
       engine: chosenEngine.id,

-      route: o.lat.toFixed(precision) + ',' + o.lng.toFixed(precision) + ';' +
-             d.lat.toFixed(precision) + ',' + d.lng.toFixed(precision)
+      route: o.lat.toFixed(precision) + "," + o.lng.toFixed(precision) + ";" +
+             d.lat.toFixed(precision) + "," + d.lng.toFixed(precision)

     }));
 
     // copy loading item to sidebar and display it. we copy it, rather than
     // just using it in-place and replacing it in case it has to be used
     // again.
     }));
 
     // copy loading item to sidebar and display it. we copy it, rather than
     // just using it in-place and replacing it in case it has to be used
     // again.

-    $('#sidebar_content').html($('.directions_form .loader_copy').html());
+    $("#sidebar_content").html($(".directions_form .loader_copy").html());

     map.setSidebarOverlaid(false);
 
     awaitingRoute = chosenEngine.getRoute([o, d], function (err, route) {
     map.setSidebarOverlaid(false);
 
     awaitingRoute = chosenEngine.getRoute([o, d], function (err, route) {


@@ -188,8 +239,8 @@ OSM.Directions = function (map) {
       if (err) {
         map.removeLayer(polyline);
 
       if (err) {
         map.removeLayer(polyline);
 

-        if (!dragging) {
-          $('#sidebar_content').html('<p class="search_results_error">' + I18n.t('javascripts.directions.errors.no_route') + '</p>');
+        if (reportErrors) {
+          $("#sidebar_content").html("<div class=\"alert alert-danger\">" + I18n.t("javascripts.directions.errors.no_route") + "</div>");

         }
 
         return;
         }
 
         return;


@@ -199,49 +250,62 @@ OSM.Directions = function (map) {
         .setLatLngs(route.line)
         .addTo(map);
 
         .setLatLngs(route.line)
         .addTo(map);
 

-      if (!dragging) {
+      if (fitRoute) {

         map.fitBounds(polyline.getBounds().pad(0.05));
       }
 
         map.fitBounds(polyline.getBounds().pad(0.05));
       }
 

-      var html = '<h2><a class="geolink" href="#">' +
-        '<span class="icon close"></span></a>' + I18n.t('javascripts.directions.directions') +
-        '</h2><p id="routing_summary">' +
-        I18n.t('javascripts.directions.distance') + ': ' + formatDistance(route.distance) + '. ' +
-        I18n.t('javascripts.directions.time') + ': ' + formatTime(route.time) + '.</p>' +
-        '<table id="turnbyturn" />';
+      var distanceText = $("<p>").append(
+        I18n.t("javascripts.directions.distance") + ": " + formatDistance(route.distance) + ". " +
+        I18n.t("javascripts.directions.time") + ": " + formatTime(route.time) + ".");
+      if (typeof route.ascend !== "undefined" && typeof route.descend !== "undefined") {
+        distanceText.append(
+          $("<br>"),
+          I18n.t("javascripts.directions.ascend") + ": " + formatHeight(route.ascend) + ". " +
+          I18n.t("javascripts.directions.descend") + ": " + formatHeight(route.descend) + ".");
+      }

 
 

-      $('#sidebar_content')
-        .html(html);
+      var turnByTurnTable = $("<table class='table table-hover table-sm mb-3'>")
+        .append($("<tbody>"));
+      var directionsCloseButton = $("<button type='button' class='btn-close'>")
+        .attr("aria-label", I18n.t("javascripts.close"));
+
+      $("#sidebar_content")
+        .empty()
+        .append(
+          $("<div class='d-flex'>").append(
+            $("<h2 class='flex-grow-1 text-break'>")
+              .text(I18n.t("javascripts.directions.directions")),
+            $("<div>").append(directionsCloseButton)),
+          distanceText,
+          turnByTurnTable
+        );

 
       // Add each row
 
       // Add each row

-      var cumulative = 0;

       route.steps.forEach(function (step) {
       route.steps.forEach(function (step) {

-        var ll        = step[0],
-          direction   = step[1],
-          instruction = step[2],
-          dist        = step[3],
-          lineseg     = step[4];
-
-        cumulative += dist;
+        var ll = step[0],
+            direction = step[1],
+            instruction = step[2],
+            dist = step[3],
+            lineseg = step[4];

 
         if (dist < 5) {
           dist = "";
         } else if (dist < 200) {
 
         if (dist < 5) {
           dist = "";
         } else if (dist < 200) {

-          dist = Math.round(dist / 10) * 10 + "m";
+          dist = String(Math.round(dist / 10) * 10) + "m";

         } else if (dist < 1500) {
         } else if (dist < 1500) {

-          dist = Math.round(dist / 100) * 100 + "m";
+          dist = String(Math.round(dist / 100) * 100) + "m";

         } else if (dist < 5000) {
         } else if (dist < 5000) {

-          dist = Math.round(dist / 100) / 10 + "km";
+          dist = String(Math.round(dist / 100) / 10) + "km";

         } else {
         } else {

-          dist = Math.round(dist / 1000) + "km";
+          dist = String(Math.round(dist / 1000)) + "km";

         }
 
         var row = $("<tr class='turn'/>");
         }
 
         var row = $("<tr class='turn'/>");

-        row.append("<td><div class='direction i" + direction + "'/></td> ");
-        row.append("<td class='instruction'>" + instruction);
-        row.append("<td class='distance'>" + dist);
+        row.append("<td class='border-0'><div class='direction i" + direction + "'/></td> ");
+        row.append("<td>" + instruction);
+        row.append("<td class='distance text-body-secondary text-end'>" + dist);

 
 

-        row.on('click', function () {
+        row.on("click", function () {

           popup
             .setLatLng(ll)
             .setContent("<p>" + instruction + "</p>")
           popup
             .setLatLng(ll)
             .setContent("<p>" + instruction + "</p>")


@@ -256,56 +320,44 @@ OSM.Directions = function (map) {
           map.removeLayer(highlight);
         });
 
           map.removeLayer(highlight);
         });
 

-        $('#turnbyturn').append(row);
+        turnByTurnTable.append(row);

       });
 
       });
 

-      $('#sidebar_content').append('<p id="routing_credit">' +
-        I18n.t('javascripts.directions.instructions.courtesy', {link: chosenEngine.creditline}) +
-        '</p>');
+      $("#sidebar_content").append("<p class=\"text-center\">" +
+        I18n.t("javascripts.directions.instructions.courtesy", { link: chosenEngine.creditline }) +
+        "</p>");

 
 

-      $('#sidebar_content a.geolink').on('click', function(e) {
-        e.preventDefault();
+      directionsCloseButton.on("click", function () {

         map.removeLayer(polyline);
         map.removeLayer(polyline);

-        $('#sidebar_content').html('');
+        $("#sidebar_content").html("");

         map.setSidebarOverlaid(true);
         // TODO: collapse width of sidebar back to previous
       });
     });
   }
 
         map.setSidebarOverlaid(true);
         // TODO: collapse width of sidebar back to previous
       });
     });
   }
 

-  var engines = OSM.Directions.engines;
-
-  engines.sort(function (a, b) {
-    a = I18n.t('javascripts.directions.engines.' + a.id);
-    b = I18n.t('javascripts.directions.engines.' + b.id);
-    return a.localeCompare(b);
-  });
-
-  var select = $('select.routing_engines');
-
-  engines.forEach(function(engine, i) {
-    select.append("<option value='" + i + "'>" + I18n.t('javascripts.directions.engines.' + engine.id) + "</option>");
-  });
-
-  setEngine('osrm_car');
+  var chosenEngineIndex = findEngine("fossgis_osrm_car");
+  if (Cookies.get("_osm_directions_engine")) {
+    chosenEngineIndex = findEngine(Cookies.get("_osm_directions_engine"));
+  }
+  setEngine(chosenEngineIndex);

 
   select.on("change", function (e) {
     chosenEngine = engines[e.target.selectedIndex];
 
   select.on("change", function (e) {
     chosenEngine = engines[e.target.selectedIndex];

-    if (map.hasLayer(polyline)) {
-      getRoute();
-    }
+    Cookies.set("_osm_directions_engine", chosenEngine.id, { secure: true, expires: expiry, path: "/", samesite: "lax" });
+    getRoute(true, true);

   });
 
   });
 

-  $(".directions_form").on("submit", function(e) {
+  $(".directions_form").on("submit", function (e) {

     e.preventDefault();
     e.preventDefault();

-    getRoute();
+    getRoute(true, true);

   });
 
   });
 

-  $(".routing_marker").on('dragstart', function (e) {
+  $(".routing_marker_column img").on("dragstart", function (e) {

     var dt = e.originalEvent.dataTransfer;
     var dt = e.originalEvent.dataTransfer;

-    dt.effectAllowed = 'move';
-    var dragData = { type: $(this).data('type') };
-    dt.setData('text', JSON.stringify(dragData));
+    dt.effectAllowed = "move";
+    var dragData = { type: $(this).data("type") };
+    dt.setData("text", JSON.stringify(dragData));

     if (dt.setDragImage) {
       var img = $("<img>").attr("src", $(e.originalEvent.target).attr("src"));
       dt.setDragImage(img.get(0), 12, 21);
     if (dt.setDragImage) {
       var img = $("<img>").attr("src", $(e.originalEvent.target).attr("src"));
       dt.setDragImage(img.get(0), 12, 21);


@@ -314,55 +366,55 @@ OSM.Directions = function (map) {
 
   var page = {};
 
 
   var page = {};
 

-  page.pushstate = page.popstate = function() {
+  page.pushstate = page.popstate = function () {

     $(".search_form").hide();
     $(".directions_form").show();
 
     $(".search_form").hide();
     $(".directions_form").show();
 

-    $("#map").on('dragend dragover', function (e) {
+    $("#map").on("dragend dragover", function (e) {

       e.preventDefault();
     });
 
       e.preventDefault();
     });
 

-    $("#map").on('drop', function (e) {
+    $("#map").on("drop", function (e) {

       e.preventDefault();
       var oe = e.originalEvent;
       e.preventDefault();
       var oe = e.originalEvent;

-      var dragData = JSON.parse(oe.dataTransfer.getData('text'));
+      var dragData = JSON.parse(oe.dataTransfer.getData("text"));

       var type = dragData.type;
       var type = dragData.type;

-      var pt = L.DomEvent.getMousePosition(oe, map.getContainer());  // co-ordinates of the mouse pointer at present
+      var pt = L.DomEvent.getMousePosition(oe, map.getContainer()); // co-ordinates of the mouse pointer at present

       pt.y += 20;
       var ll = map.containerPointToLatLng(pt);
       pt.y += 20;
       var ll = map.containerPointToLatLng(pt);

-      endpoints[type === 'from' ? 0 : 1].setLatLng(ll);
-      getRoute();
+      endpoints[type === "from" ? 0 : 1].setLatLng(ll);
+      getRoute(true, true);

     });
 
     });
 

-    var params = querystring.parse(location.search.substring(1)),
-      route = (params.route || '').split(';');
+    var params = Qs.parse(location.search.substring(1)),
+        route = (params.route || "").split(";"),
+        from = route[0] && L.latLng(route[0].split(",")),
+        to = route[1] && L.latLng(route[1].split(","));

 
     if (params.engine) {
 
     if (params.engine) {

-      setEngine(params.engine);
-    }
+      var engineIndex = findEngine(params.engine);

 
 

-    endpoints[0].setValue(params.from || "");
-    endpoints[1].setValue(params.to || "");
-
-    var o = route[0] && L.latLng(route[0].split(',')),
-        d = route[1] && L.latLng(route[1].split(','));
+      if (engineIndex >= 0) {
+        setEngine(engineIndex);
+      }
+    }

 
 

-    if (o) endpoints[0].setLatLng(o);
-    if (d) endpoints[1].setLatLng(d);
+    endpoints[0].setValue(params.from || "", from);
+    endpoints[1].setValue(params.to || "", to);

 
 

-    map.setSidebarOverlaid(!o || !d);
+    map.setSidebarOverlaid(!from || !to);

 
 

-    getRoute();
+    getRoute(true, true);

   };
 
   };
 

-  page.load = function() {
+  page.load = function () {

     page.pushstate();
   };
 
     page.pushstate();
   };
 

-  page.unload = function() {
+  page.unload = function () {

     $(".search_form").show();
     $(".directions_form").hide();
     $(".search_form").show();
     $(".directions_form").hide();

-    $("#map").off('dragend dragover drop');
+    $("#map").off("dragend dragover drop");

 
     map
       .removeLayer(popup)
 
     map
       .removeLayer(popup)