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02c01341 RK |
1 | import { Component, Input, forwardRef } from '@angular/core' |
2 | import { NG_VALUE_ACCESSOR, ControlValueAccessor } from '@angular/forms' | |
3 | ||
4 | export type SelectOptionsItem = { id: number | string, label: string, description?: string } | |
5 | ||
6 | @Component({ | |
7 | selector: 'my-select-options', | |
8 | styleUrls: [ './select-shared.component.scss' ], | |
9 | templateUrl: './select-options.component.html', | |
10 | providers: [ | |
11 | { | |
12 | provide: NG_VALUE_ACCESSOR, | |
13 | useExisting: forwardRef(() => SelectOptionsComponent), | |
14 | multi: true | |
15 | } | |
16 | ] | |
17 | }) | |
18 | export class SelectOptionsComponent implements ControlValueAccessor { | |
19 | @Input() items: SelectOptionsItem[] = [] | |
20 | @Input() clearable = false | |
21 | @Input() searchable = false | |
22 | @Input() bindValue = 'id' | |
23 | @Input() groupBy: string | |
24 | ||
25 | selectedId: number | string | |
26 | ||
27 | // ng-select options | |
28 | bindLabel = 'label' | |
29 | ||
30 | propagateChange = (_: any) => { /* empty */ } | |
31 | ||
32 | writeValue (id: number | string) { | |
33 | this.selectedId = id | |
34 | } | |
35 | ||
36 | registerOnChange (fn: (_: any) => void) { | |
37 | this.propagateChange = fn | |
38 | } | |
39 | ||
40 | registerOnTouched () { | |
41 | // Unused | |
42 | } | |
43 | ||
44 | onModelChange () { | |
45 | this.propagateChange(this.selectedId) | |
46 | } | |
47 | } |