bikeinparis/js.js
Phyks b1cc43a29a Small improvements
* Now displaying a loading page while loading position search results
* Now tells the user if there isn't any result for a position search.
2013-08-01 14:50:29 +02:00

500 lines
17 KiB
JavaScript

/* Config : À éditer selon vos besoins */
var tiles_provider = 'http://{s}.tile.osm.org/{z}/{x}/{y}.png';
var reverse_geolocation_provider = "http://open.mapquestapi.com/nominatim/v1/reverse.php";
var directions_provider = "http://router.project-osrm.org/viaroute";
var lat_long_provider = "http://open.mapquestapi.com/nominatim/v1/search.php"
var email = "webmaster@phyks.me"; //Mettre votre adresse e-mail ici si vous utilisez Nominatim (cf Usage Policy de Nominatim)
/* Script : */
window.onload = function() {
function escapeHTML(unsafe)
{
return unsafe
.replace(/&/g, "&")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&quot;")
.replace(/'/g, "&#039;");
}
function params() //Get all the parameters in the URL
{
var t = location.search.substring(1).split('&');
var params = [];
for (var i=0; i<t.length; i++)
{
var x = t[i].split('=');
params[x[0]] = x[1];
}
return params;
}
var params = params();
var params_url = '';
var map_get = false;
var station = false;
var free = false;
var available = false;
var update = false;
var refresh = false;
var ignore_position = false;
var position = '';
for(GET in params) //Define boolean to handle the different cases next
{
if(GET != '')
{
if(params_url != '')
params_url += '&';
params_url += GET+'='+params[GET];
switch(GET)
{
case 'map':
map_get = true;
break;
case 'available':
available = true;
break;
case 'free':
free = true;
break;
case 'station':
station = true;
break;
case 'update':
update = true;
break;
case 'refresh':
refresh = true;
break;
case 'ignorePosition':
ignore_position = true;
break;
case 'position':
position = params[GET];
break;
}
}
}
params_url = encodeURI(params_url);
if(available || free || station)
{
if(update == false && (navigator.geolocation || position != '')) //We don't want to update and the navigator as geolocation capabilities or we specified a position
{
function successFunction(position)
{
var latitude = position.coords.latitude; //Get the current position
var longitude = position.coords.longitude;
getBikes(latitude, longitude);
}
function getBikes(latitude, longitude)
{
var xhr; //Define xhr variables
try
{
xhr = new XMLHttpRequest();
}
catch (e)
{
try
{
xhr = new ActiveXObject('Msxml2.XMLHTTP');
}
catch (e2)
{
try
{
xhr = new ActiveXObject('Microsoft.XMLHTTP');
}
catch (e3)
{
xhr = false;
}
}
}
if(xhr == false)
{
document.getElementById("position").innerHTML = "<p>Une erreur a été rencontrée. Veuillez réessayer.</p>";
}
else
{
xhr.onreadystatechange = function()
{
if(xhr.readyState == 4)
{
if(xhr.status == 200)
{
var json = JSON.parse(xhr.responseText); //Parse the response
if(json.length == 1) //If there was an error
{
document.getElementById('stations').innerHTML = json[0].error;
}
else
{
if(map_get == false && station == false) //If we want to display a table
{
var display = '<table>';
for(var i = 1; i < json.length; i++)
{
display += "<tr><td class='left'>À "+json[i].dist+" mètres</td><td class='right'><a href='station.php?"+params_url+"&station="+json[i].key+"'>"+json[i].nom+"</a></td>";
if(json[i].nombre == 1)
{
if(available == true)
display += "<td class='right'>"+json[i].nombre+" vélo</td></tr>";
else
display += "<td class='right'>"+json[i].nombre+" emplacement</td></tr>";
}
else
{
if(available == true)
display += "<td class='right'>"+json[i].nombre+" vélos</td></tr>";
else
display += "<td class='right'>"+json[i].nombre+" emplacements</td></tr>";
}
}
display += "</table>";
document.getElementById('stations').innerHTML = display;
}
else if(station == true) //Else, if we want to display information about a specific station
{
var display = "<h2><a href='station.php?"+params_url+"'>Station "+json[1].nom+"</a> (À "+json[1].dist+" mètres)</h2>";
display += "<p><em>Adresse : </em>"+json[1].address+"</p>";
if(json[1].nombre == 1)
{
if(available == true)
{
display += "<p>Il y a actuellement <strong>"+json[1].nombre+" vélo</strong> disponible.</p>";
nombre = "1 vélo";
}
else
{
display += "<p>Il y a actuellement <strong>"+json[1].nombre+" emplacement</strong> disponible.</p>";
nombre = "1 emplacement";
}
}
else
{
if(available == true)
{
display += "<p>Il y a actuellement <strong>"+json[1].nombre+" vélos</strong> disponibles.</p>";
nombre = json[1].nombre+" vélos";
}
else
{
display += "<p>Il y a actuellement <strong>"+json[1].nombre+" emplacements</strong> disponibles.</p>";
nombre = json[1].nombre+" emplacements";
}
}
document.getElementById('stations').innerHTML = display;
if(available) //Add the markers and the popups
L.marker([json[1].lat, json[1].lng], {icon: cycleMarker}).addTo(map).bindPopup(json[1].nom+" <br/>"+nombre+"<br/>(À "+json[1].dist+" mètres)").openPopup();
else
{
if(json[i].bonus == 1)
L.marker([json[1].lat, json[1].lng], {icon: parkingMarkerBonus}).addTo(map).bindPopup("<a href='station.php?"+params_url+"&station="+json[i].key+"'>"+json[i].nom+"</a><br/>"+nombre+"<br/>(À "+json[i].dist+" mètres)");
else
L.marker([json[1].lat, json[1].lng], {icon: parkingMarker}).addTo(map).bindPopup("<a href='station.php?"+params_url+"&station="+json[i].key+"'>"+json[i].nom+"</a><br/>"+nombre+"<br/>(À "+json[i].dist+" mètres)");
}
if(free)
var routeType = "bicycle";
else
var routeType = "pedestrian";
var route_line = L.Polyline.fromEncoded(json[1].directions, {color: 'blue'}).addTo(map);
map.fitBounds(route_line.getBounds()); //Make the map size optimized for the content
}
else //Else, we want to display a map
{
var latitude_max = 0;
var latitude_min = 90;
var longitude_max = -180;
var longitude_min = 180;
for(var i = 1; i < json.length; i++)
{
var nombre;
if(json[i].nombre == 1)
{
if(available == true)
nombre = json[i].nombre+" vélo";
else
nombre = json[i].nombre+" emplacement";
}
else
{
if(available == true)
nombre = json[i].nombre+" vélos";
else
nombre = json[i].nombre+" emplacements";
}
if(json[i].lat < latitude_min)
latitude_min = json[i].lat;
if(json[i].lat > latitude_max)
latitude_max = json[i].lat;
if(json[i].lng < longitude_min)
longitude_min = json[i].lng;
if(json[i].lng > longitude_max)
longitude_max = json[i].lng;
if(available) //Set the markers and popups
L.marker([json[i].lat, json[i].lng], {icon: cycleMarker}).addTo(map).bindPopup("<a href='station.php?"+params_url+"&station="+json[i].key+"'>"+json[i].nom+"</a><br/>"+nombre+"<br/>(À "+json[i].dist+" mètres)");
else
{
if(json[i].bonus == 1)
L.marker([json[i].lat, json[i].lng], {icon: parkingMarkerBonus}).addTo(map).bindPopup("<a href='station.php?"+params_url+"&station="+json[i].key+"'>"+json[i].nom+"</a><br/>"+nombre+"<br/>(À "+json[i].dist+" mètres)");
else
L.marker([json[i].lat, json[i].lng], {icon: parkingMarker}).addTo(map).bindPopup("<a href='station.php?"+params_url+"&station="+json[i].key+"'>"+json[i].nom+"</a><br/>"+nombre+"<br/>(À "+json[i].dist+" mètres)");
}
}
map.fitBounds([[parseFloat(latitude_min), parseFloat(longitude_min)], [parseFloat(latitude_max) + 0.00015, parseFloat(longitude_max) + 0.00015]]); //0.00015 = margin because of markers size
//Make the map fit the data
}
}
}
else
{
document.getElementById("stations").innerHTML = "<p>La liste des stations n'a pu être récupérée.</p>";
}
document.getElementById("adresse").innerHTML = json[0].reverse_geolocation+"→ <a href='index.php?"+params_url+"&refresh=1'>↻ Actualiser ?</a>"; //Display the interesting part of the address
}
};
xhr.open("POST", "ajax.php", true); //xhr handle the data about stations
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.send("latitude=" + latitude + "&longitude=" + longitude + "&" + params_url + "&email=" + email + "&directions_provider="+ encodeURI(directions_provider) +"&reverse_geolocation_provider="+ encodeURI(reverse_geolocation_provider));
}
if(map_get == true || station) //If we need a map
{
document.getElementById("position").innerHTML = "<h2>Position :</h2><p id='adresse'>Latitude : "+latitude+", Longitude : "+longitude+" → <a href='index.php?"+params_url+"&refresh=1'>↻ Actualiser ?</a></p>";
// create a map in the "map" div, set the view to a given place and zoom
var map = L.map('map').setView([latitude, longitude], 16);
// add an OpenStreetMap tile layer
L.tileLayer(tiles_provider, {attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'}).addTo(map);
var redMarker = L.icon({
iconUrl: 'images/marker-icon-red.png',
shadowUrl: 'images/marker-shadow.png',
iconSize: [25, 41], // size of the icon
shadowSize: [41, 41], // size of the shadow
iconAnchor: [12, 41], // point of the icon which will correspond to marker's location
shadowAnchor: [12, 41], // the same for the shadow
popupAnchor: [1, -34] // point from which the popup should open relative to the iconAnchor
});
var cycleMarker = L.icon({
iconUrl: 'images/marker_cycle.png',
shadowUrl: 'images/shadow_icons.png',
iconSize: [32, 37], // size of the icon
shadowSize: [38, 25], // size of the shadow
iconAnchor: [16, 35], // point of the icon which will correspond to marker's location
shadowAnchor: [11, 18], // the same for the shadow
popupAnchor: [0, -31] // point from which the popup should open relative to the iconAnchor
});
var parkingMarker = L.icon({
iconUrl: 'images/marker_parking.png',
shadowUrl: 'images/shadow_icons.png',
iconSize: [32, 37], // size of the icon
shadowSize: [37, 21], // size of the shadow
iconAnchor: [16, 35], // point of the icon which will correspond to marker's location
shadowAnchor: [11, 18], // the same for the shadow
popupAnchor: [0, -31] // point from which the popup should open relative to the iconAnchor
});
var parkingMarkerBonus = L.icon({
iconUrl: 'images/marker_parking_bonus.png',
shadowUrl: 'images/shadow_icons.png',
iconSize: [32, 37], // size of the icon
shadowSize: [37, 21], // size of the shadow
iconAnchor: [16, 35], // point of the icon which will correspond to marker's location
shadowAnchor: [11, 18], // the same for the shadow
popupAnchor: [0, -31] // point from which the popup should open relative to the iconAnchor
});
// add a marker in the given location, attach some popup content to it and open the popup
var position_marker = L.marker([latitude, longitude], {icon: redMarker}).addTo(map);
position_marker.bindPopup('Ma position.');
}
else
{
document.getElementById("position").innerHTML = "<h2>Position :</h2><p id='adresse'>Latitude : "+latitude+", Longitude : "+longitude+" → <a href='index.php?"+params_url+"&refresh=1'>↻ Actualiser ?</a></p>";
document.getElementById("see_map").innerHTML = "<p id='map_p'><a href='index.php?"+params_url+"&map=1'><img src='images/carte.png'/> Voir la carte</p>";
}
}
function errorFunction(error) //Handle errors
{
switch(error.code)
{
case error.TIMEOUT:
//Restart with a greater timeout
if(refresh)
navigator.geolocation.getCurrentPosition(successFunction, errorFunction, {enableHighAccuracy:true, maximumAge:0, timeout:20000});
else
navigator.geolocation.getCurrentPosition(successFunction, errorFunction, {enableHighAccuracy:true, maximumAge:60000, timeout:20000});
break;
case error.PERMISSION_DENIED:
document.getElementById("position").innerHTML = "<p>Erreur : L'application n'a pas l'autorisation d'utiliser les ressources de geolocalisation.</p>";
break;
case error.POSITION_UNAVAILABLE:
document.getElementById("position").innerHTML = "<p>Erreur : La position n'a pu être déterminée.</p>";
break;
default:
document.getElementById("position").innerHTML = "<p>Erreur "+error.code+" : "+error.message+"</p>";
break;
}
}
if(position == '' && !ignore_position)
{
if(refresh) //If refresh, we want to force a new position (non cached)
navigator.geolocation.getCurrentPosition(successFunction, errorFunction, {enableHighAccuracy:true, maximumAge:0, timeout:2000});
else
navigator.geolocation.getCurrentPosition(successFunction, errorFunction, {enableHighAccuracy:true, maximumAge:60000, timeout:2000}); //Else, we are ok with 60 seconds old position
}
else if(position != '')
{
var latitude = 0;
var longitude = 0;
var xhr; //Define xhr variables
try
{
xhr = new XMLHttpRequest();
}
catch (e)
{
try
{
xhr = new ActiveXObject('Msxml2.XMLHTTP');
}
catch (e2)
{
try
{
xhr = new ActiveXObject('Microsoft.XMLHTTP');
}
catch (e3)
{
xhr = false;
}
}
}
if(xhr == false)
{
document.getElementById("position").innerHTML = "<p>Une erreur a été rencontrée. Veuillez réessayer.</p>";
}
else
{
xhr.onreadystatechange = function()
{
if(xhr.readyState == 4)
{
if(xhr.status == 200)
{
var json = JSON.parse(xhr.responseText); //Parse the response
if(json.length == 0)
{
var params_url_wo_position = '';
for(GET in params) //Define hidden input to keep params
{
if(GET != '' && GET != "position")
{
if(params_url_wo_position != '')
params_url_wo_position += '&';
params_url_wo_position += GET+'='+params[GET];
}
}
document.getElementById("position").innerHTML = "<p>Aucune correspondance n'a été trouvée. <a href='index.php?"+params_url_wo_position+"'>Revenir en arrière</a></p>";
}
else
{
latitude = json[0].lat;
longitude = json[0].lon;
if(latitude == 0 && longitude == 0)
document.getElementById("position").innerHTML = "<p>Une erreur a été rencontrée. Veuillez réessayer.</p>";
else
getBikes(latitude, longitude);
}
}
}
else
{
document.getElementById("position").innerHTML = "<p>Chargement en cours...</p>";
}
}
}
xhr.open("GET", lat_long_provider+"?format=json&q="+encodeURI(position+", Paris, France"), true); //xhr handle the data about stations
xhr.send();
}
}
else
{
var input_params = '';
for(GET in params) //Define hidden input to keep params
{
if(GET != '' && GET != "position")
{
input_params += "<input type='hidden' name='"+escapeHTML(GET)+"' value='"+escapeHTML(params[GET])+"'/>";
}
}
document.getElementById("position").innerHTML = '<form action="index.php" method="get"><p><label for="position">Chercher autour de :</label><br/><input typ="text" name="position" id="position"/></p><p><input type="submit" value="Chercher"/></p>'+input_params+'</form>';
}
}
else //If we didn't choose what to do, display the choices
{
document.getElementById("position").innerHTML = "<p><a href='?available=1&"+params_url+"'><img src='images/velo.png' alt='Retirer un vélo'/></a><span id='ou'> ou </span><a href='?free=1&"+params_url+"'><img src='images/parking.png' alt='Rendre un vélo'/></a></p><p><a href='?ignorePosition=1&"+params_url+"'>Ignorer la géolocalisation</a></p>";
}
}