]>
Commit | Line | Data |
---|---|---|
1 | /** | |
2 | * MIT License | |
3 | * | |
4 | * Copyright (c) 2017 Kevin Kipp | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in all | |
14 | * copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
22 | * SOFTWARE. | |
23 | * | |
24 | * | |
25 | * Based on https://github.com/third774/ng-bootstrap-form-validation | |
26 | */ | |
27 | ||
28 | import { Directive, Host, HostBinding, Input, Optional, SkipSelf } from '@angular/core'; | |
29 | import { ControlContainer, UntypedFormControl } from '@angular/forms'; | |
30 | ||
31 | export function controlPath(name: string, parent: ControlContainer): string[] { | |
32 | // tslint:disable-next-line:no-non-null-assertion | |
33 | return [...parent.path!, name]; | |
34 | } | |
35 | ||
36 | @Directive({ | |
37 | // eslint-disable-next-line | |
38 | selector: '.form-control,.form-check-input,.custom-control-input' | |
39 | }) | |
40 | export class CdFormControlDirective { | |
41 | @Input() | |
42 | formControlName: string; | |
43 | @Input() | |
44 | formControl: string; | |
45 | ||
46 | @HostBinding('class.is-valid') | |
47 | get validClass() { | |
48 | if (!this.control) { | |
49 | return false; | |
50 | } | |
51 | return this.control.valid && (this.control.touched || this.control.dirty); | |
52 | } | |
53 | ||
54 | @HostBinding('class.is-invalid') | |
55 | get invalidClass() { | |
56 | if (!this.control) { | |
57 | return false; | |
58 | } | |
59 | return this.control.invalid && this.control.touched && this.control.dirty; | |
60 | } | |
61 | ||
62 | get path() { | |
63 | return controlPath(this.formControlName, this.parent); | |
64 | } | |
65 | ||
66 | get control(): UntypedFormControl { | |
67 | return this.formDirective && this.formDirective.getControl(this); | |
68 | } | |
69 | ||
70 | get formDirective(): any { | |
71 | return this.parent ? this.parent.formDirective : null; | |
72 | } | |
73 | ||
74 | constructor( | |
75 | // this value might be null, but we union type it as such until | |
76 | // this issue is resolved: https://github.com/angular/angular/issues/25544 | |
77 | @Optional() | |
78 | @Host() | |
79 | @SkipSelf() | |
80 | private parent: ControlContainer | |
81 | ) {} | |
82 | } |