-
Notifications
You must be signed in to change notification settings - Fork 823
/
index.ts
94 lines (77 loc) · 2.56 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
92
93
94
/**
* @license
* Copyright 2019 Google LLC. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/
// [START maps_overlay_popup]
let map: google.maps.Map, popup, Popup;
/** Initializes the map and the custom popup. */
function initMap(): void {
map = new google.maps.Map(document.getElementById("map") as HTMLElement, {
center: { lat: -33.9, lng: 151.1 },
zoom: 10,
});
/**
* A customized popup on the map.
*/
class Popup extends google.maps.OverlayView {
position: google.maps.LatLng;
containerDiv: HTMLDivElement;
constructor(position: google.maps.LatLng, content: HTMLElement) {
super();
this.position = position;
content.classList.add("popup-bubble");
// This zero-height div is positioned at the bottom of the bubble.
const bubbleAnchor = document.createElement("div");
bubbleAnchor.classList.add("popup-bubble-anchor");
bubbleAnchor.appendChild(content);
// This zero-height div is positioned at the bottom of the tip.
this.containerDiv = document.createElement("div");
this.containerDiv.classList.add("popup-container");
this.containerDiv.appendChild(bubbleAnchor);
// Optionally stop clicks, etc., from bubbling up to the map.
Popup.preventMapHitsAndGesturesFrom(this.containerDiv);
}
/** Called when the popup is added to the map. */
onAdd() {
this.getPanes()!.floatPane.appendChild(this.containerDiv);
}
/** Called when the popup is removed from the map. */
onRemove() {
if (this.containerDiv.parentElement) {
this.containerDiv.parentElement.removeChild(this.containerDiv);
}
}
/** Called each frame when the popup needs to draw itself. */
draw() {
const divPosition = this.getProjection().fromLatLngToDivPixel(
this.position
)!;
// Hide the popup when it is far out of view.
const display =
Math.abs(divPosition.x) < 4000 && Math.abs(divPosition.y) < 4000
? "block"
: "none";
if (display === "block") {
this.containerDiv.style.left = divPosition.x + "px";
this.containerDiv.style.top = divPosition.y + "px";
}
if (this.containerDiv.style.display !== display) {
this.containerDiv.style.display = display;
}
}
}
popup = new Popup(
new google.maps.LatLng(-33.866, 151.196),
document.getElementById("content") as HTMLElement
);
popup.setMap(map);
}
declare global {
interface Window {
initMap: () => void;
}
}
window.initMap = initMap;
// [END maps_overlay_popup]
export {};