Created
April 18, 2011 10:19
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Google Maps + Geolocation + Маршруты
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if (navigator.geolocation) { | |
// #showroute это id кнопки/ссылки на сайте, нажимая которую мы должны проложить маршрут | |
var showroute = document.getElementById('showroute'); | |
showroute.addEventListener('click', function(event) { | |
event.preventDefaults(); | |
// пока строится маршрут не разрешаем нажимать на кнопку/ссылку снова | |
if (!showroute.classList.contains('disabled')) { | |
showroute.classList.add('disabled'); | |
navigator.geolocation.getCurrentPosition(function(position) { | |
// отправляем текущую позицию в функцию для прокладывания маршрута | |
showRouteService(position); | |
}); | |
} | |
}, false); | |
} |
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var map = new google.maps.Map(...); | |
var service = new google.maps.DirectionsService(); | |
var direction = new google.maps.DirectionsRenderer({map: map}); | |
var baloon = new google.maps.InfoWindow(); |
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function showRouteService(position) { | |
var request = { | |
origin: new google.maps.LatLng(position.coords.latitude, position.coords.longitude), | |
destination: new google.maps.LatLng(/* координаты офиса */), | |
travelMode: google.maps.DirectionsTravelMode.WALKING // если в вашем городе работают автомобильные маршруты, можно использовать их | |
}; | |
// Отправляем запрос на прокладку маршрута | |
service.route(request, function(response, status) { | |
if (status == google.maps.DirectionsStatus.OK) { | |
direction.setDirections(response); | |
// получаем первый вариант маршрута | |
var route = response.routes[0].legs[0]; | |
// проставляем маркеры по всему маршруту с описанием изменения маршрута | |
for (var i=0,length=route.steps.length; i<length; i++) { | |
var marker = new google.maps.Marker({ | |
position: route.steps[i].start_point, | |
map: map | |
}); | |
google.maps.event.addListener(marker, 'click', function() { | |
balloon.setContent(route.steps[i].instructions); | |
balloon.open(map, marker); | |
}); | |
} | |
} | |
}); | |
} |
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