*** export GPX
*** URL history (or do we consciously not want to support that?)
- *** add MapQuest engine
*** add YOURS engine
- *** finish CloudMade engine
+ *** add GraphHopper engine
*/
var TURN_INSTRUCTIONS=["",
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;
- r.chosenEngine=null;
+ 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.viaPoints=[]; // not yet used
+ r.polyline=null; // Leaflet polyline object
+ r.chosenEngine=null; // currently selected routing engine
// Geocoding
var querystring = '<%= NOMINATIM_URL %>search?q=' + encodeURIComponent(v) + '&format=json';
// *** &accept-language=<%#= request.user_preferred_languages.join(',') %>
// *** prefer current viewport
+ r[field.id]=false;
$.getJSON(querystring, function(json) { _this._gotGeocode(json,field); });
};
var lat=Number(json[0].lat), lon=Number(json[0].lon);
r[field.id]=[lat,lon];
// ** update markers
+ if (r.awaitingGeocode) {
+ r.awaitingGeocode=false;
+ r.requestRoute();
+ }
+ };
+
+ // Drag and drop markers
+
+ r.handleDrop=function(e) {
+ console.log(r.map.mouseEventToLatLng(e.originalEvent))
};
// Route-fetching UI
if (r.route_from && r.route_to) {
r.chosenEngine.getRoute(true,[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.awaitingGeocode=true;
}
};
r.map.fitBounds(r.polyline.getBounds());
};
- // Take an array of directions and write it out
- // (we use OSRM's route_instructions format)
+ // 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
// *** translations?
- r.setItinerary=function(steps) {
+ r.setItinerary=function(data) {
// Create base table
$("#content").removeClass("overlay-sidebar");
$('#sidebar_content').empty();
$('#sidebar_content').html(html);
// Add each row
var cumulative=0;
- for (var i=0; i<steps.length; i++) {
- var step=steps[i];
- var instCodes=step[0].split('-');
- // Assemble instruction text
- var instText="<b>"+(i+1)+".</b> ";
- instText+=TURN_INSTRUCTIONS[instCodes[0]];
- if (instCodes[1]) { instText+="exit "+instCodes[1]+" "; }
- if (instCodes[0]!=15) { instText+=step[1] ? "<b>"+step[1]+"</b>" : "(unnamed)"; }
+ for (var i=0; i<data.steps.length; i++) {
+ var step=data.steps[i];
// Distance
- var dist=step[2];
+ var dist=step[3];
if (dist<5) { dist=""; }
else if (dist<200) { dist=Math.round(dist/10)*10+"m"; }
else if (dist<1500) { dist=Math.round(dist/100)*100+"m"; }
else { dist=Math.round(dist/1000)+"km"; }
// Add to table
var row=$("<tr class='turn'/>");
- row.append("<td class='direction i"+instCodes[0]+"'> ");
- row.append("<td class='instruction'>"+instText);
+ row.append("<td class='direction i"+step[1]+"'> ");
+ row.append("<td class='instruction'>"+step[2]);
row.append("<td class='distance'>"+dist);
- with ({num: i, dist: step[3]}) {
- row.on('click',function(e) {
- r.clickTurn(num, r.polyline.getLatLngs()[dist]);
- });
+ with ({ num: i, ll: step[0] }) {
+ row.on('click',function(e) { r.clickTurn(num, ll); });
};
$('#turnbyturn').append(row);
- cumulative+=step[2];
+ cumulative+=step[3];
}
};
r.clickTurn=function(num,latlng) {
// Routing engine handling
// Add all engines
- r.addEngines=function(list) {
- list.sort(function(a,b) { return a.name>b.name; });
- r.engines=list;
- var select=r.jqSearch.find('select.routing_engines');
- for (var i=0; i<list.length; i++) {
- // Set up JSONP callback
- var engine=r.engines[i];
- engine.requestJSONP=function(url) {
+ var list=OSM.RoutingEngines.list;
+ list.sort(function(a,b) { return a.name>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"+this.subscript;
+ script.src = url+r.name+".gotRoute"+num;
document.body.appendChild(script);
};
- r['gotRoute'+i]=function(data) { engine.gotRoute(r,data); };
- select.append("<option value='"+i+"'>"+engine.name+"</option>");
+ r['gotRoute'+num]=function(data) { list[num].gotRoute(r,data); };
}
- r.chosenEngine=r.engines[0];
- };
+ select.append("<option value='"+i+"'>"+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];
r.chooseEngine=function(name) {
for (var i=0; i<r.engines.length; i++) {
if (r.engines[i].name==name) {
- r.chosenEngine[i]=r.engines[i];
+ r.chosenEngine=r.engines[i];
r.jqSearch.find('select.routing_engines').val(i);
}
}
projects / rails.git / blobdiff