X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/fd991a0201c83a639c585de3119c779fda761209..5c0e96e0e0e99b3469c286f4bf77d4d0abf47c79:/app/assets/javascripts/routing.js.erb

diff --git a/app/assets/javascripts/routing.js.erb b/app/assets/javascripts/routing.js.erb
index ed9551252..d62e94f0c 100644
--- a/app/assets/javascripts/routing.js.erb
+++ b/app/assets/javascripts/routing.js.erb
@@ -1,190 +1,290 @@
 /*
-	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
-	*** click each part
-	*** translation (including all alerts and presentation)
-	*** export GPX
-	*** URL history (or do we consciously not want to support that?)
+    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 TURN_INSTRUCTIONS=[]
 
 var ROUTING_POLYLINE={
-	color: '#03f',
-	opacity: 0.3,
-	weight: 10
+    color: '#03f',
+    opacity: 0.3,
+    weight: 10
 };
 
 
+OSM.RoutingEngines={
+    list: []
+};
+
 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);
-		r.map.fitBounds(r.polyline.getBounds());
-	};
-
-	// Take an array of directions and write it out
-	// (we use OSRM's route_instructions format)
-	// *** translations?
-	r.setItinerary=function(steps) {
-		$("#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>Directions</h2>'.replace(/~/g,"'");
-		html+="<table>";
-		for (var i=0; i<steps.length; i++) {
-			var step=steps[i];
-			var instCodes=step[0].split('-');
-			// Assemble instruction text
-			var instText="<b>"+(i+1)+".</b> ";
-			instText+=TURN_INSTRUCTIONS[instCodes[0]];
-			if (instCodes[1]) { instText+="exit "+instCodes[1]+" "; }
-			if (instCodes[0]!=15) { instText+=step[1] ? "<b>"+step[1]+"</b>" : "(unnamed)"; }
-			// Distance
-			var dist=step[2];
-			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
-			html+="<tr>";
-			html+="<td class='direction i"+instCodes[0]+"'> ";
-			html+="<td class='instruction'>"+instText;
-			html+="<td class='distance'>"+dist;
-		}
-		html+="</table>";
+    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] }
+    // 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);
-	};
-
-
-	// Close all routing UI
-	
-	r.close=function() {
-		$("#content").addClass("overlay-sidebar");
-		if (r.polyline) map.removeLayer(r.polyline);
-	};
-
-	// 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) {
-			if (data.status==207) {
-				alert("Couldn't find route between those two places");
-				return false;
-			}
-			// *** store 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;
+        // 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 ({ num: i, ll: step[0] }) {
+                row.on('click',function(e) { r.clickTurn(num, ll); });
+            };
+            $('#turnbyturn').append(row);
+            cumulative+=step[3];
+        }
+        $('#sidebar_content').append('<p id="routing_credit">' + r.chosenEngine.creditline + '</p>');
+
+    };
+    r.clickTurn=function(num,latlng) {
+        r.popup=L.popup().setLatLng(latlng).setContent("<p>"+(num+1)+"</p>").openOn(r.map);
+    };
+    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 d=new Date(s*1000); var h=d.getHours(); var m=d.getMinutes();
+        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);
+            }
+        }
+    };
+
+    return r;
 };