-
Notifications
You must be signed in to change notification settings - Fork 821
/
index.ts
91 lines (83 loc) · 2.4 KB
/
index.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
/*
* Copyright 2019 Google LLC. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// [START maps_directions_draggable]
function initMap(): void {
const map = new google.maps.Map(
document.getElementById("map") as HTMLElement,
{
zoom: 4,
center: { lat: -24.345, lng: 134.46 }, // Australia.
}
);
const directionsService = new google.maps.DirectionsService();
const directionsRenderer = new google.maps.DirectionsRenderer({
draggable: true,
map,
panel: document.getElementById("right-panel") as HTMLElement,
});
directionsRenderer.addListener("directions_changed", () => {
computeTotalDistance(directionsRenderer.getDirections()!);
});
displayRoute(
"Perth, WA",
"Sydney, NSW",
directionsService,
directionsRenderer
);
}
function displayRoute(
origin: string,
destination: string,
service: google.maps.DirectionsService,
display: google.maps.DirectionsRenderer
) {
service.route(
{
origin: origin,
destination: destination,
waypoints: [
{ location: "Adelaide, SA" },
{ location: "Broken Hill, NSW" },
],
travelMode: google.maps.TravelMode.DRIVING,
avoidTolls: true,
},
(
result: google.maps.DirectionsResult | null,
status: google.maps.DirectionsStatus
) => {
if (status === "OK" && result) {
display.setDirections(result);
} else {
alert("Could not display directions due to: " + status);
}
}
);
}
function computeTotalDistance(result: google.maps.DirectionsResult) {
let total = 0;
const myroute = result.routes[0];
if (!myroute) {
return;
}
for (let i = 0; i < myroute.legs.length; i++) {
total += myroute.legs[i]!.distance!.value;
}
total = total / 1000;
(document.getElementById("total") as HTMLElement).innerHTML = total + " km";
}
// [END maps_directions_draggable]
export { initMap };