-
Notifications
You must be signed in to change notification settings - Fork 0
/
geocoder-element.js
146 lines (124 loc) · 4.08 KB
/
geocoder-element.js
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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
(function() {
'use strict';
var L = require('leaflet');
var Autocomplete = require('./autocomplete');
var Localization = require('./localization');
function selectInputText(input) {
if (input.setSelectionRange) {
// On iOS, select() doesn't work
input.setSelectionRange(0, 9999);
} else {
// On at least IE8, setSeleectionRange doesn't exist
input.select();
}
}
module.exports = L.Class.extend({
includes: ((typeof L.Evented !== 'undefined' && L.Evented.prototype) || L.Mixin.Events),
options: {
createGeocoder: function(i, nWps, options) {
var container = L.DomUtil.create('div', 'leaflet-routing-geocoder'),
input = L.DomUtil.create('input', '', container),
remove = options.addWaypoints ? L.DomUtil.create('span', 'leaflet-routing-remove-waypoint', container) : undefined;
input.disabled = !options.addWaypoints;
return {
container: container,
input: input,
closeButton: remove
};
},
geocoderPlaceholder: function(i, numberWaypoints, geocoderElement) {
var l = new Localization(geocoderElement.options.language).localize('ui');
return i === 0 ?
l.startPlaceholder :
(i < numberWaypoints - 1 ?
L.Util.template(l.viaPlaceholder, {viaNumber: i}) :
l.endPlaceholder);
},
geocoderClass: function() {
return '';
},
waypointNameFallback: function(latLng) {
var ns = latLng.lat < 0 ? 'S' : 'N',
ew = latLng.lng < 0 ? 'W' : 'E',
lat = (Math.round(Math.abs(latLng.lat) * 10000) / 10000).toString(),
lng = (Math.round(Math.abs(latLng.lng) * 10000) / 10000).toString();
return ns + lat + ', ' + ew + lng;
},
maxGeocoderTolerance: 200,
autocompleteOptions: {},
language: 'en',
},
initialize: function(wp, i, nWps, options) {
L.setOptions(this, options);
var g = this.options.createGeocoder(i, nWps, this.options),
closeButton = g.closeButton,
geocoderInput = g.input;
geocoderInput.setAttribute('placeholder', this.options.geocoderPlaceholder(i, nWps, this));
geocoderInput.className = this.options.geocoderClass(i, nWps);
this._element = g;
this._waypoint = wp;
this.update();
// This has to be here, or geocoder's value will not be properly
// initialized.
// TODO: look into why and make _updateWaypointName fix this.
geocoderInput.value = wp.name;
L.DomEvent.addListener(geocoderInput, 'click', function() {
selectInputText(this);
}, geocoderInput);
if (closeButton) {
L.DomEvent.addListener(closeButton, 'click', function() {
this.fire('delete', { waypoint: this._waypoint });
}, this);
}
new Autocomplete(geocoderInput, function(r) {
geocoderInput.value = r.name;
wp.name = r.name;
wp.latLng = r.center;
this.fire('geocoded', { waypoint: wp, value: r });
}, this, L.extend({
resultFn: this.options.geocoder.geocode,
resultContext: this.options.geocoder,
autocompleteFn: this.options.geocoder.suggest,
autocompleteContext: this.options.geocoder
}, this.options.autocompleteOptions));
},
getContainer: function() {
return this._element.container;
},
setValue: function(v) {
this._element.input.value = v;
},
update: function(force) {
var wp = this._waypoint,
wpCoords;
wp.name = wp.name || '';
if (wp.latLng && (force || !wp.name)) {
wpCoords = this.options.waypointNameFallback(wp.latLng);
if (this.options.geocoder && this.options.geocoder.reverse) {
this.options.geocoder.reverse(wp.latLng, 67108864 /* zoom 18 */, function(rs) {
if (rs.length > 0 && rs[0].center.distanceTo(wp.latLng) < this.options.maxGeocoderTolerance) {
wp.name = rs[0].name;
} else {
wp.name = wpCoords;
}
this._update();
}, this);
} else {
wp.name = wpCoords;
this._update();
}
}
},
focus: function() {
var input = this._element.input;
input.focus();
selectInputText(input);
},
_update: function() {
var wp = this._waypoint,
value = wp && wp.name ? wp.name : '';
this.setValue(value);
this.fire('reversegeocoded', {waypoint: wp, value: value});
}
});
})();