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
*** translation (including all alerts and presentation)
*** export GPX
*** URL history (or do we consciously not want to support that?)
+ *** spinner when waiting for result (beneath 'Go' button?)
*** add YOURS engine
- *** add GraphHopper engine
*/
var TURN_INSTRUCTIONS=["",
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.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;
field.value=json[0].display_name;
var lat=Number(json[0].lat), lon=Number(json[0].lon);
r[field.id]=[lat,lon];
- // ** update markers
+ r.updateMarker(field.id);
if (r.awaitingGeocode) {
r.awaitingGeocode=false;
- r.requestRoute();
+ r.requestRoute(true);
+ }
+ };
+
+ // Drag and drop markers
+
+ r.handleDrop=function(e) {
+ var id=e.originalEvent.dataTransfer.getData('id');
+ var ll=r.map.mouseEventToLatLng(e.originalEvent);
+ // *** ^^^ this is slightly off - we need to work out the latLng of the tip
+ r.createMarker(ll,id);
+ r.setNumericInput(ll,id);
+ r.requestRoute(true);
+ // 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) {
+ if (e.type=='drag' && !r.chosenEngine.draggable) return;
+ if (e.type=='drag' && r.awaitingRoute) return;
+ r.setNumericInput(e.target.getLatLng(), e.target.options.name);
+ r.requestRoute(e.type=='dragend');
+ };
+ // 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() {
+ r.requestRoute=function(isFinal) {
if (r.route_from && r.route_to) {
- r.chosenEngine.getRoute(true,[r.route_from,r.route_to]);
+ r.awaitingRoute=true;
+ r.chosenEngine.getRoute(isFinal,[r.route_from,r.route_to]);
// 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.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());
+ // r.map.fitBounds(r.polyline.getBounds());
+ // *** ^^^ we only want to do this for geocode-originated routes
};
// Take directions and write them out
}
};
r.clickTurn=function(num,latlng) {
- L.popup().setLatLng(latlng).setContent("<p>"+(num+1)+"</p>").openOn(r.map);
+
r.popup=L.popup().setLatLng(latlng).setContent("<p>"+(num+1)+"</p>").openOn(r.map);
};
-
// Close all routing UI
r.close=function() {
$("#content").addClass("overlay-sidebar");
- if (r.polyline) map.removeLayer(r.polyline);
+ var remove=[r.polyline,r.popup,r.marker_from,r.marker_to];
+ for (var i=0; i<remove.length; i++) {
+ if (remove[i]) map.removeLayer(remove[i]);
+ }
};
// Routing engine handling
script.src = url+r.name+".gotRoute"+num;
document.body.appendChild(script);
};
- r['gotRoute'+num]=function(data) { list[num].gotRoute(r,data); };
+ r['gotRoute'+num]=function(data) { r.awaitingRoute=false; list[num].gotRoute(r,data); };
}
select.append("<option value='"+i+"'>"+list[i].name+"</option>");
}
projects / rails.git / blobdiff