-
Notifications
You must be signed in to change notification settings - Fork 25.3k
/
abstract_form_group_directive.ts
77 lines (65 loc) · 1.76 KB
/
abstract_form_group_directive.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
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {Directive, OnDestroy, OnInit} from '@angular/core';
import {FormGroup} from '../model';
import {ControlContainer} from './control_container';
import {Form} from './form_interface';
import {controlPath} from './shared';
/**
* @description
* A base class for code shared between the `NgModelGroup` and `FormGroupName` directives.
*
* @publicApi
*/
@Directive()
export class AbstractFormGroupDirective extends ControlContainer implements OnInit, OnDestroy {
/**
* @description
* The parent control for the group
*
* @internal
*/
// TODO(issue/24571): remove '!'.
_parent!: ControlContainer;
/** @nodoc */
ngOnInit(): void {
this._checkParentType();
// Register the group with its parent group.
this.formDirective!.addFormGroup(this);
}
/** @nodoc */
ngOnDestroy(): void {
if (this.formDirective) {
// Remove the group from its parent group.
this.formDirective.removeFormGroup(this);
}
}
/**
* @description
* The `FormGroup` bound to this directive.
*/
get control(): FormGroup {
return this.formDirective!.getFormGroup(this);
}
/**
* @description
* The path to this group from the top-level directive.
*/
get path(): string[] {
return controlPath(this.name == null ? this.name : this.name.toString(), this._parent);
}
/**
* @description
* The top-level directive for this group if present, otherwise null.
*/
get formDirective(): Form|null {
return this._parent ? this._parent.formDirective : null;
}
/** @internal */
_checkParentType(): void {}
}