client/src/app/shared/shared-forms/input-switch.component.ts

   1 import { Component, forwardRef, Input } from '@angular/core'
   2 import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms'
   3
   4 @Component({
   5   selector: 'my-input-switch',
   6   styleUrls: [ './input-switch.component.scss' ],
   7   templateUrl: './input-switch.component.html',
   8   providers: [
   9     {
  10       provide: NG_VALUE_ACCESSOR,
  11       useExisting: forwardRef(() => InputSwitchComponent),
  12       multi: true
  13     }
  14   ]
  15 })
  16 export class InputSwitchComponent implements ControlValueAccessor {
  17   @Input() checked = false
  18   @Input() inputName: string
  19
  20   propagateChange = (_: any) => { /* empty */ }
  21
  22   writeValue (checked: boolean) {
  23     this.checked = checked
  24   }
  25
  26   registerOnChange (fn: (_: any) => void) {
  27     this.propagateChange = fn
  28   }
  29
  30   registerOnTouched () {
  31     // Unused
  32   }
  33
  34   update () {
  35     this.checked = !this.checked
  36     this.propagateChange(this.checked)
  37   }
  38 }