X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/2198b6ebbf46cdad39b75a461b9a72e5cde93c3a..ed75d4710b0d4aec2c57f610083762d6fd63e9c9:/app/assets/javascripts/routing.js.erb

diff --git a/app/assets/javascripts/routing.js.erb b/app/assets/javascripts/routing.js.erb
index 30846479d..fc2bb8d30 100644
--- a/app/assets/javascripts/routing.js.erb
+++ b/app/assets/javascripts/routing.js.erb
@@ -1,159 +1,357 @@
 /*
-	osm.org routing interface
-	
-	See also:
-	https://github.com/apmon/openstreetmap-website/tree/routing2
-	https://github.com/apmon/openstreetmap-website/compare/routing2
-	https://github.com/apmon/openstreetmap-website/blob/9755c3ae0a8d0684d43760f91dc864ff42d8477a/app/views/routing/start.js.erb
-
-	*** draggable start/end markers
-	
+ osm.org routing interface
 */
 
-var TURN_INSTRUCTIONS=["",
-	"Continue on ",				// 1
-	"Slight right onto ",		// 2
-	"Turn right onto ",			// 3
-	"Sharp right onto ",		// 4
-	"U-turn along ",			// 5
-	"Sharp left onto ",			// 6
-	"Turn left onto ",			// 7
-	"Slight left onto ",		// 8
-	"(via point) ",				// 9
-	"Follow ",					// 10
-	"At roundabout take ",		// 11
-	"Leave roundabout - ",		// 12
-	"Stay on roundabout - ",	// 13
-	"Start at end of ",			// 14
-	"Reach destination",		// 15
-	"Go against one-way on ",	// 16
-	"End of one-way on "]		// 17
-
-var ROUTING_POLYLINE={
-	color: '#03f',
-	opacity: 0.3,
-	weight: 10
+var TURN_INSTRUCTIONS = [];
+
+var ROUTING_POLYLINE = {
+  color: '#03f',
+  opacity: 0.3,
+  weight: 10
+};
+
+var ROUTING_POLYLINE_HIGHLIGHT = {
+  color: '#ff0',
+  opacity: 0.5,
+  weight: 12
+};
+
+OSM.RoutingEngines = {
+  list: [],
+  add: function (supportsHTTPS, engine) {
+    if (document.location.protocol == "http:" || supportsHTTPS) this.list.push(engine);
+  }
 };
 
+OSM.Routing = function (map, name, jqSearch) {
+  var r = {};
+
+  TURN_INSTRUCTIONS = [
+    "",
+    I18n.t('javascripts.directions.instructions.continue_on'),      // 1
+    I18n.t('javascripts.directions.instructions.slight_right'),     // 2
+    I18n.t('javascripts.directions.instructions.turn_right'),       // 3
+    I18n.t('javascripts.directions.instructions.sharp_right'),      // 4
+    I18n.t('javascripts.directions.instructions.uturn'),            // 5
+    I18n.t('javascripts.directions.instructions.sharp_left'),       // 6
+    I18n.t('javascripts.directions.instructions.turn_left'),        // 7
+    I18n.t('javascripts.directions.instructions.slight_left'),      // 8
+    I18n.t('javascripts.directions.instructions.via_point'),        // 9
+    I18n.t('javascripts.directions.instructions.follow'),           // 10
+    I18n.t('javascripts.directions.instructions.roundabout'),       // 11
+    I18n.t('javascripts.directions.instructions.leave_roundabout'), // 12
+    I18n.t('javascripts.directions.instructions.stay_roundabout'),  // 13
+    I18n.t('javascripts.directions.instructions.start'),            // 14
+    I18n.t('javascripts.directions.instructions.destination'),      // 15
+    I18n.t('javascripts.directions.instructions.against_oneway'),   // 16
+    I18n.t('javascripts.directions.instructions.end_oneway')        // 17
+  ];
+
+  r.map = map;              // Leaflet map
+  r.name = name;            // global variable name of this instance (needed for JSONP)
+  r.jqSearch = jqSearch;    // JQuery object for search panel
+
+  r.route_from = null;      // null=unset, false=awaiting response, [lat,lon]=geocoded
+  r.route_to = null;        //  |
+  r.awaitingGeocode = false;// true if the user has requested a route, but we're waiting on a geocode result
+  r.awaitingRoute = false;  // true if we've asked the engine for a route and are waiting to hear back
+  r.dragging = false;       // true if the user is dragging a start/end point
+  r.viaPoints = [];         // not yet used
+
+  r.polyline = null;        // Leaflet polyline object
+  r.popup = null;           // Leaflet popup object
+  r.marker_from = null;     // Leaflet from marker
+  r.marker_to = null;       // Leaflet to marker
+
+  r.chosenEngine = null;    // currently selected routing engine
+
+  var icon_from = L.icon({
+    iconUrl: <%= asset_path('marker-green.png').to_json %>,
+    iconSize: [25, 41],
+    iconAnchor: [12, 41],
+    popupAnchor: [1, -34],
+    shadowUrl: <%= asset_path('images/marker-shadow.png').to_json %>,
+    shadowSize: [41, 41]
+  });
+
+  var icon_to = L.icon({
+    iconUrl: <%= asset_path('marker-red.png').to_json %>,
+    iconSize: [25, 41],
+    iconAnchor: [12, 41],
+    popupAnchor: [1, -34],
+    shadowUrl: <%= asset_path('images/marker-shadow.png').to_json %>,
+    shadowSize: [41, 41]
+  });
+
+  // Geocoding
+
+  r.geocode = function (id, event) {
+    var _this = this;
+    var field = event.target;
+    var v = event.target.value;
+    var querystring = '<%= NOMINATIM_URL %>search?q=' + encodeURIComponent(v) + '&format=json';
+    // *** &accept-language=<%#= request.user_preferred_languages.join(',') %>
+    r[field.id] = false;
+    $.getJSON(querystring, function (json) {
+      _this._gotGeocode(json, field);
+    });
+  };
+
+  r._gotGeocode = function (json, field) {
+    if (json.length == 0) {
+      alert(I18n.t('javascripts.directions.errors.no_place'));
+      r[field.id] = null;
+      return;
+    }
+    field.value = json[0].display_name;
+    var lat = Number(json[0].lat), lon = Number(json[0].lon);
+    r[field.id] = [lat, lon];
+    r.updateMarker(field.id);
+    if (r.awaitingGeocode) {
+      r.awaitingGeocode = false;
+      r.requestRoute(true, true);
+    }
+  };
+
+  // Drag and drop markers
+
+  r.handleDrop = function (e) {
+    var oe = e.originalEvent;
+    var id = oe.dataTransfer.getData('id');
+    var pt = L.DomEvent.getMousePosition(oe, map.getContainer());  // co-ordinates of the mouse pointer at present
+    pt.x += Number(oe.dataTransfer.getData('offsetX'));
+    pt.y += Number(oe.dataTransfer.getData('offsetY'));
+    var ll = map.containerPointToLatLng(pt);
+    r.createMarker(ll, id);
+    r.setNumericInput(ll, id);
+    r.requestRoute(true, false);
+    // update to/from field
+  };
+
+  r.createMarker = function (latlng, id) {
+    if (r[id]) r.map.removeLayer(r[id]);
+    r[id] = L.marker(latlng, {
+      icon: id == 'marker_from' ? icon_from : icon_to,
+      draggable: true,
+      name: id
+    }).addTo(r.map);
+    r[id].on('drag', r.markerDragged);
+    r[id].on('dragend', r.markerDragged);
+  };
+
+  // Update marker from geocoded route input
+  r.updateMarker = function (id) {
+    var m = id.replace('route', 'marker');
+    if (!r[m]) {
+      r.createMarker(r[id], m);
+      return;
+    }
+    var ll = r[m].getLatLng();
+    if (ll.lat != r[id][0] || ll.lng != r[id][1]) {
+      r.createMarker(r[id], m);
+    }
+  };
+
+  // Marker has been dragged
+  r.markerDragged = function (e) {
+    r.dragging = (e.type == 'drag');    // true for drag, false for dragend
+    if (r.dragging && !r.chosenEngine.draggable) return;
+    if (r.dragging && r.awaitingRoute) return;
+    r.setNumericInput(e.target.getLatLng(), e.target.options.name);
+    r.requestRoute(!r.dragging, false);
+  };
+
+  // Set a route input field to a numeric value
+  r.setNumericInput = function (ll, id) {
+    var routeid = id.replace('marker', 'route');
+    r[routeid] = [ll.lat, ll.lng];
+    $("[name=" + routeid + "]:visible").val(Math.round(ll.lat * 10000) / 10000 + " " + Math.round(ll.lng * 10000) / 10000);
+  };
+
+  // Route-fetching UI
+
+  r.requestRoute = function (isFinal, updateZoom) {
+    if (r.route_from && r.route_to) {
+      $(".query_wrapper.routing .spinner").show();
+      r.awaitingRoute = true;
+      r.chosenEngine.getRoute(isFinal, [r.route_from, r.route_to]);
+      if (updateZoom) {
+        r.map.fitBounds(L.latLngBounds([r.route_from, r.route_to]).pad(0.05));
+      }
+      // then, when the route has been fetched, it'll call the engine's gotRoute function
+    } else if (r.route_from == false || r.route_to == false) {
+      // we're waiting for a Nominatim response before we can request a route
+      r.awaitingGeocode = true;
+    }
+  };
+
+  // Take an array of Leaflet LatLngs and draw it as a polyline
+  r.setPolyline = function (line) {
+    if (r.polyline) map.removeLayer(r.polyline);
+    r.polyline = L.polyline(line, ROUTING_POLYLINE).addTo(r.map);
+  };
+
+  // Take directions and write them out
+  // data = { steps: array of [latlng, sprite number, instruction text, distance in metres, highlightPolyline] }
+  // sprite numbers equate to OSRM's route_instructions turn values
+  r.setItinerary = function (data) {
+    // Create base table
+    $("#content").removeClass("overlay-sidebar");
+    $('#sidebar_content').empty();
+    var html = ('<h2><a class="geolink" href="#" onclick="$(~.close_directions~).click();return false;">' +
+      '<span class="icon close"></span></a>' + I18n.t('javascripts.directions.directions') +
+      '</h2><p id="routing_summary">' +
+      I18n.t('javascripts.directions.distance') + ': ' + r.formatDistance(data.distance) + '. ' +
+      I18n.t('javascripts.directions.time') + ': ' + r.formatTime(data.time) + '.</p>' +
+      '<table id="turnbyturn" />').replace(/~/g, "'");
+    $('#sidebar_content').html(html);
+    // Add each row
+    var cumulative = 0;
+    for (var i = 0; i < data.steps.length; i++) {
+      var step = data.steps[i];
+      // Distance
+      var dist = step[3];
+      if (dist < 5) {
+        dist = "";
+      }
+      else if (dist < 200) {
+        dist = Math.round(dist / 10) * 10 + "m";
+      }
+      else if (dist < 1500) {
+        dist = Math.round(dist / 100) * 100 + "m";
+      }
+      else if (dist < 5000) {
+        dist = Math.round(dist / 100) / 10 + "km";
+      }
+      else {
+        dist = Math.round(dist / 1000) + "km";
+      }
+      // Add to table
+      var row = $("<tr class='turn'/>");
+      row.append("<td class='direction i" + step[1] + "'> ");
+      row.append("<td class='instruction'>" + step[2]);
+      row.append("<td class='distance'>" + dist);
+      with ({ instruction: step[2], ll: step[0], lineseg: step[4] }) {
+        row.on('click', function (e) {
+          r.clickTurn(instruction, ll);
+        });
+        row.hover(function (e) {
+          r.highlightSegment(lineseg);
+        }, function (e) {
+          r.unhighlightSegment();
+        });
+      }
+      ;
+      $('#turnbyturn').append(row);
+      cumulative += step[3];
+    }
+    $('#sidebar_content').append('<p id="routing_credit">' + I18n.t('javascripts.directions.instructions.courtesy', {link: r.chosenEngine.creditline}) + '</p>');
+  };
+
+  r.clickTurn = function (instruction, latlng) {
+    r.popup = L.popup().setLatLng(latlng).setContent("<p>" + instruction + "</p>").openOn(r.map);
+  };
+
+  r.highlightSegment = function (lineseg) {
+    if (r.highlighted) map.removeLayer(r.highlighted);
+    r.highlighted = L.polyline(lineseg, ROUTING_POLYLINE_HIGHLIGHT).addTo(r.map);
+  };
+
+  r.unhighlightSegment = function () {
+    if (r.highlighted) map.removeLayer(r.highlighted);
+  };
+
+  r.formatDistance = function (m) {
+    if (m < 1000) {
+      return Math.round(m) + "m";
+    }
+    else if (m < 10000) {
+      return (m / 1000.0).toFixed(1) + "km";
+    }
+    else {
+      return Math.round(m / 1000) + "km";
+    }
+  };
+
+  r.formatTime = function (s) {
+    var m = Math.round(s / 60);
+    var h = Math.floor(m / 60);
+    m -= h * 60;
+    return h + ":" + (m < 10 ? '0' : '') + m;
+  };
+
+  // Close all routing UI
+
+  r.close = function () {
+    $("#content").addClass("overlay-sidebar");
+    r.route_from = r.route_to = null;
+    $(".query_wrapper.routing input").val("");
+    var remove = ['polyline', 'popup', 'marker_from', 'marker_to'];
+    for (var i = 0; i < remove.length; i++) {
+      if (r[remove[i]]) {
+        map.removeLayer(r[remove[i]]);
+        r[remove[i]] = null;
+      }
+    }
+  };
+
+  // Routing engine handling
+
+  // Add all engines
+  var list = OSM.RoutingEngines.list;
+  list.sort(function (a, b) {
+    return I18n.t(a.name) > I18n.t(b.name);
+  });
+  var select = r.jqSearch.find('select.routing_engines');
+  for (var i = 0; i < list.length; i++) {
+    // Set up JSONP callback
+    with ({num: i}) {
+      list[num].requestJSONP = function (url) {
+        var script = document.createElement('script');
+        script.src = url + r.name + ".gotRoute" + num;
+        document.body.appendChild(script);
+      };
+      list[num].requestCORS = function (url) {
+        $.ajax({ url: url, method: "GET", data: {}, dataType: 'json', success: r['gotRoute' + num] });
+      };
+      r['gotRoute' + num] = function (data) {
+        r.awaitingRoute = false;
+        $(".query_wrapper.routing .spinner").hide();
+        if (!list[num].gotRoute(r, data)) {
+          // No route found
+          if (r.polyline) {
+            map.removeLayer(r.polyline);
+            r.polyline = null;
+          }
+          if (!r.dragging) {
+            alert(I18n.t('javascripts.directions.errors.no_route'));
+          }
+        }
+      };
+    }
+    select.append("<option value='" + i + "'>" + I18n.t(list[i].name) + "</option>");
+  }
+
+  r.engines = list;
+  r.chosenEngine = list[0]; // default to first engine
+
+  // Choose an engine on dropdown change
+  r.selectEngine = function (e) {
+    r.chosenEngine = r.engines[e.target.selectedIndex];
+    if (r.polyline) { // and if a route is currently showing, must also refresh, else confusion
+      r.requestRoute(true, false);
+    }
+  };
+
+  // Choose an engine by name
+  r.chooseEngine = function (name) {
+    for (var i = 0; i < r.engines.length; i++) {
+      if (r.engines[i].name == name) {
+        r.chosenEngine = r.engines[i];
+        r.jqSearch.find('select.routing_engines').val(i);
+      }
+    }
+  };
 
-OSM.Routing=function(map,name,jqSearch) {
-	var r={};
-	r.map=map;				// Leaflet map
-	r.name=name;			// global variable name of this instance (needed for JSONP)
-	r.jqSearch=jqSearch;	// JQuery object for search panel
-
-	r.route_from=null;
-	r.route_to=null;
-	r.viaPoints=[];
-	r.polyline=null;
-
-	// Geocoding
-
-	r.geocode=function(id,event) { var _this=this;
-		var field=event.target;
-		var v=event.target.value;
-		// *** do something if v==''
-		var querystring = '<%= NOMINATIM_URL %>search?q=' + encodeURIComponent(v) + '&format=json';
-		// *** &accept-language=<%#= request.user_preferred_languages.join(',') %>
-		// *** prefer current viewport
-		$.getJSON(querystring, function(json) { _this._gotGeocode(json,field); });
-	};
-	
-	r._gotGeocode=function(json,field) {
-		if (json.length==0) {
-			alert("Sorry, couldn't find that place."); 	// *** internationalise
-			r[field.id]=null;
-			return;
-		}
-		field.value=json[0].display_name;
-		var lat=Number(json[0].lat), lon=Number(json[0].lon);
-		r[field.id]=[lat,lon];
-		// ** update markers
-	};
-	
-	// Route-fetching UI
-
-	r.requestRoute=function() {
-		if (r.route_from && r.route_to) {
-			var chosen=jqSearch.find('select.routing_engines :selected').val();
-			r.engines[chosen].getRoute(true,[r.route_from,r.route_to]);
-			// then, when the route has been fetched, it'll call the engine's gotRoute function
-		}
-	};
-
-	// Take an array of Leaflet LatLngs and draw it as a polyline
-	r.setPolyline=function(line) {
-		if (r.polyline) map.removeLayer(r.polyline);
-		r.polyline=L.polyline(line, ROUTING_POLYLINE).addTo(r.map);
-		// *** zoom to fit
-	};
-
-	// Take an array of directions and write it out
-	// (we use OSRM's route_instructions format)
-	r.setItinerary=function(steps) {
-		$("#content").removeClass("overlay-sidebar");
-		$('#sidebar_content').empty();
-		var html="";
-		for (var i=0; i<steps.length; i++) {
-			var s=steps[i];
-			html+="<div class='route_step'>";
-			html+=TURN_INSTRUCTIONS[s[0]] || s[0];
-			html+=s[1];
-			html+="</div>";
-		}
-        $('#sidebar_content').html(html);
-	};
-
-
-	// Add engines
-	
-	r.engines=[];
-	r.addEngine=function(engine) {
-		// Save engine
-		var i=r.engines.length;
-		engine.subscript=i;
-		r['engine'+i]=engine;
-		r.engines.push(engine);
-
-		// Add generic JSONP function
-		engine.requestJSONP=function(url) {
-			var script = document.createElement('script');
-			script.src = url+"&jsonp="+r.name+".engine"+this.subscript+".gotRoute";
- 			// OSRM doesn't like non-alphanumeric, otherwise we could just do OSM.routing.engines["+engine.subscript+"].gotRoute
-			document.body.appendChild(script); 
-		};
-
-		// Populate dropdown
-		var select=jqSearch.find('select.routing_engines');
-		select.append("<option value='"+i+"'>"+engine.name+"</option>");
-	};
-
-	// OSRM car engine
-	// *** this should all be shared from an OSRM library somewhere
-	// *** need to clear hints at some point
-
-	r.addEngine({
-		name: 'Car (OSRM)',
-		draggable: true,
-		_hints: {},
-		getRoute: function(final,points) {
-			var url="http://router.project-osrm.org/viaroute?z=14&output=json";
-			for (var i=0; i<points.length; i++) {
-				var pair=points[i].join(',');
-				url+="&loc="+pair;
-				if (this._hints[pair]) url+= "&hint="+this._hints[pair];
-			}
-			if (final) url+="&instructions=true";
-			this.requestJSONP(url);
-		},
-		gotRoute: function(data) {
-			// *** save hints
-			var line=L.PolylineUtil.decode(data.route_geometry);
-			for (i=0; i<line.length; i++) { line[i].lat/=10; line[i].lng/=10; }
-			r.setPolyline(line);
-			r.setItinerary(data.route_instructions);
-		}
-	});
-
-	return r;
+  return r;
 };