azimuth.js
2.05 KB
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
'use strict';
var parsers = require('../parsers');
module.exports.definition = {
set: function(v) {
var valueType = parsers.valueType(v);
if (valueType === parsers.TYPES.ANGLE) {
return this._setProperty('azimuth', parsers.parseAngle(v));
}
if (valueType === parsers.TYPES.KEYWORD) {
var keywords = v
.toLowerCase()
.trim()
.split(/\s+/);
var hasBehind = false;
if (keywords.length > 2) {
return;
}
var behindIndex = keywords.indexOf('behind');
hasBehind = behindIndex !== -1;
if (keywords.length === 2) {
if (!hasBehind) {
return;
}
keywords.splice(behindIndex, 1);
}
if (keywords[0] === 'leftwards' || keywords[0] === 'rightwards') {
if (hasBehind) {
return;
}
return this._setProperty('azimuth', keywords[0]);
}
if (keywords[0] === 'behind') {
return this._setProperty('azimuth', '180deg');
}
switch (keywords[0]) {
case 'left-side':
return this._setProperty('azimuth', '270deg');
case 'far-left':
return this._setProperty('azimuth', (hasBehind ? 240 : 300) + 'deg');
case 'left':
return this._setProperty('azimuth', (hasBehind ? 220 : 320) + 'deg');
case 'center-left':
return this._setProperty('azimuth', (hasBehind ? 200 : 340) + 'deg');
case 'center':
return this._setProperty('azimuth', (hasBehind ? 180 : 0) + 'deg');
case 'center-right':
return this._setProperty('azimuth', (hasBehind ? 160 : 20) + 'deg');
case 'right':
return this._setProperty('azimuth', (hasBehind ? 140 : 40) + 'deg');
case 'far-right':
return this._setProperty('azimuth', (hasBehind ? 120 : 60) + 'deg');
case 'right-side':
return this._setProperty('azimuth', '90deg');
default:
return;
}
}
},
get: function() {
return this.getPropertyValue('azimuth');
},
enumerable: true,
configurable: true,
};