client/src/app/shared/forms/peertube-checkbox.component.ts

   1 import { ChangeDetectorRef, Component, forwardRef, Input, OnChanges, SimpleChanges } from '@angular/core'
   2 import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms'
   3
   4 @Component({
   5   selector: 'my-peertube-checkbox',
   6   styleUrls: [ './peertube-checkbox.component.scss' ],
   7   templateUrl: './peertube-checkbox.component.html',
   8   providers: [
   9     {
  10       provide: NG_VALUE_ACCESSOR,
  11       useExisting: forwardRef(() => PeertubeCheckboxComponent),
  12       multi: true
  13     }
  14   ]
  15 })
  16 export class PeertubeCheckboxComponent implements ControlValueAccessor {
  17   @Input() checked = false
  18   @Input() inputName: string
  19   @Input() labelText: string
  20   @Input() labelHtml: string
  21   @Input() helpHtml: string
  22   @Input() helpPlacement = 'top'
  23   @Input() disabled = false
  24
  25   // FIXME: https://github.com/angular/angular/issues/10816#issuecomment-307567836
  26   @Input() onPushWorkaround = false
  27
  28   constructor (private cdr: ChangeDetectorRef) { }
  29
  30   propagateChange = (_: any) => { /* empty */ }
  31
  32   writeValue (checked: boolean) {
  33     this.checked = checked
  34
  35     if (this.onPushWorkaround) {
  36       this.cdr.markForCheck()
  37     }
  38   }
  39
  40   registerOnChange (fn: (_: any) => void) {
  41     this.propagateChange = fn
  42   }
  43
  44   registerOnTouched () {
  45     // Unused
  46   }
  47
  48   onModelChange () {
  49     this.propagateChange(this.checked)
  50   }
  51
  52   setDisabledState (isDisabled: boolean) {
  53     this.disabled = isDisabled
  54   }
  55 }