all files / common/core/graphics/ unit-value.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
 
 
 
 
 
 
 
 
1×
 
 
 
1×
2×
 
 
 
108×
105×
105×
105×
 
3×
3×
 
 
 
1×
1×
 
 
1×
1×
 
 
1×
107×
 
1×
 
 
/*
 *  @license
 *  Copyright Hôpitaux Universitaires de Genève. All Rights Reserved.
 *
 *  Use of this source code is governed by an Apache-2.0 license that can be
 *  found in the LICENSE file at https://github.com/DSI-HUG/dejajs-components/blob/master/LICENSE
 */
 
export class UnitValue {
    public value: number;
    public unit: string;
 
    public static equals(s1: UnitValue, s2: UnitValue) {
        return s1.value === s2.value && s1.unit === s2.unit;
    }
 
    constructor(value?: number | string, unit?: string) {
        if (typeof value === 'string') {
            const match = value.match(/([0-9\.]+)(.*)/);
            this.value = match && match.length >= 2 && parseInt(match[1], 10);
            this.unit = match && match.length >= 3 &&  match[2];
        } else {
            this.value = value;
            this.unit = unit;
        }
    }
 
    public clone() {
        return new UnitValue(this.value, this.unit);
    }
 
    public toString() {
        return String(this.value) + this.unit;
    }
 
    public isInvalid() {
        return this.value === undefined || this.value === null || isNaN(this.value);
    }
}