Function _registerModel

src/material/datepicker/datepicker-input-base.ts:209–228

Registers a date selection model with the input.

(model: MatDateSelectionModel<S, D>)

  /** Registers a date selection model with the input. */
  _registerModel(model: MatDateSelectionModel<S, D>): void {
    this._model = model;
    this._valueChangesSubscription.unsubscribe();

    if (this._pendingValue) {
      this._assignValue(this._pendingValue);
    }

    this._valueChangesSubscription = this._model.selectionChanged.subscribe(event => {
      if (this._shouldHandleChangeEvent(event)) {
        const value = this._getValueFromModel(event.selection);
        this._lastValueValid = this._isValidValue(value);
        this._cvaOnChange(value);
        this._onTouched();
        this._formatValue(value);
        this.dateInput.emit(new MatDatepickerInputEvent(this, this._elementRef.nativeElement));
        this.dateChange.emit(new MatDatepickerInputEvent(this, this._elementRef.nativeElement));
      }
    });
  }

  /** Opens the popup associated with the input. */
  protected abstract _openPopup(): void;