@angular/cdk/keycodes#DOWN_ARROW TypeScript Examples

The following examples show how to use @angular/cdk/keycodes#DOWN_ARROW. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: color-input.component.ts    From angular-material-components with MIT License 5 votes vote down vote up 
_onKeydown(event: KeyboardEvent) {
    const isAltDownArrow = event.altKey && event.keyCode === DOWN_ARROW;

    if (this._picker && isAltDownArrow && !this._elementRef.nativeElement.readOnly) {
      this._picker.open();
      event.preventDefault();
    }
  }
Example #2
Source File: datetime-input.ts    From angular-material-components with MIT License 5 votes vote down vote up 
_onKeydown(event: KeyboardEvent) {
        const isAltDownArrow = event.altKey && event.keyCode === DOWN_ARROW;

        if (this._datepicker && isAltDownArrow && !this._elementRef.nativeElement.readOnly) {
            this._datepicker.open();
            event.preventDefault();
        }
    }
Example #3
Source File: month-view.ts    From angular-material-components with MIT License 5 votes vote down vote up 
/** Handles keydown events on the calendar body when calendar is in month view. */
  _handleCalendarBodyKeydown(event: KeyboardEvent): void {
    // TODO(mmalerba): We currently allow keyboard navigation to disabled dates, but just prevent
    // disabled ones from being selected. This may not be ideal, we should look into whether
    // navigation should skip over disabled dates, and if so, how to implement that efficiently.

    const oldActiveDate = this._activeDate;
    const isRtl = this._isRtl();

    switch (event.keyCode) {
      case LEFT_ARROW:
        this.activeDate = this._dateAdapter.addCalendarDays(this._activeDate, isRtl ? 1 : -1);
        break;
      case RIGHT_ARROW:
        this.activeDate = this._dateAdapter.addCalendarDays(this._activeDate, isRtl ? -1 : 1);
        break;
      case UP_ARROW:
        this.activeDate = this._dateAdapter.addCalendarDays(this._activeDate, -7);
        break;
      case DOWN_ARROW:
        this.activeDate = this._dateAdapter.addCalendarDays(this._activeDate, 7);
        break;
      case HOME:
        this.activeDate = this._dateAdapter.addCalendarDays(this._activeDate,
          1 - this._dateAdapter.getDate(this._activeDate));
        break;
      case END:
        this.activeDate = this._dateAdapter.addCalendarDays(this._activeDate,
          (this._dateAdapter.getNumDaysInMonth(this._activeDate) -
            this._dateAdapter.getDate(this._activeDate)));
        break;
      case PAGE_UP:
        this.activeDate = event.altKey ?
          this._dateAdapter.addCalendarYears(this._activeDate, -1) :
          this._dateAdapter.addCalendarMonths(this._activeDate, -1);
        break;
      case PAGE_DOWN:
        this.activeDate = event.altKey ?
          this._dateAdapter.addCalendarYears(this._activeDate, 1) :
          this._dateAdapter.addCalendarMonths(this._activeDate, 1);
        break;
      case ENTER:
      case SPACE:
        if (!this.dateFilter || this.dateFilter(this._activeDate)) {
          this._dateSelected(this._dateAdapter.getDate(this._activeDate));
          this._userSelection.emit();
          // Prevent unexpected default actions such as form submission.
          event.preventDefault();
        }
        return;
      default:
        // Don't prevent default or focus active cell on keys that we don't explicitly handle.
        return;
    }

    if (this._dateAdapter.compareDate(oldActiveDate, this.activeDate)) {
      this.activeDateChange.emit(this.activeDate);
    }

    this._focusActiveCell();
    // Prevent unexpected default actions such as form submission.
    event.preventDefault();
  }
Example #4
Source File: multi-year-view.ts    From angular-material-components with MIT License 5 votes vote down vote up 
/** Handles keydown events on the calendar body when calendar is in multi-year view. */
  _handleCalendarBodyKeydown(event: KeyboardEvent): void {
    const oldActiveDate = this._activeDate;
    const isRtl = this._isRtl();

    switch (event.keyCode) {
      case LEFT_ARROW:
        this.activeDate = this._dateAdapter.addCalendarYears(this._activeDate, isRtl ? 1 : -1);
        break;
      case RIGHT_ARROW:
        this.activeDate = this._dateAdapter.addCalendarYears(this._activeDate, isRtl ? -1 : 1);
        break;
      case UP_ARROW:
        this.activeDate = this._dateAdapter.addCalendarYears(this._activeDate, -yearsPerRow);
        break;
      case DOWN_ARROW:
        this.activeDate = this._dateAdapter.addCalendarYears(this._activeDate, yearsPerRow);
        break;
      case HOME:
        this.activeDate = this._dateAdapter.addCalendarYears(this._activeDate,
          -getActiveOffset(this._dateAdapter, this.activeDate, this.minDate, this.maxDate));
        break;
      case END:
        this.activeDate = this._dateAdapter.addCalendarYears(this._activeDate,
          yearsPerPage - getActiveOffset(
            this._dateAdapter, this.activeDate, this.minDate, this.maxDate) - 1);
        break;
      case PAGE_UP:
        this.activeDate =
            this._dateAdapter.addCalendarYears(
                this._activeDate, event.altKey ? -yearsPerPage * 10 : -yearsPerPage);
        break;
      case PAGE_DOWN:
        this.activeDate =
            this._dateAdapter.addCalendarYears(
                this._activeDate, event.altKey ? yearsPerPage * 10 : yearsPerPage);
        break;
      case ENTER:
      case SPACE:
        this._yearSelected(this._dateAdapter.getYear(this._activeDate));
        break;
      default:
        // Don't prevent default or focus active cell on keys that we don't explicitly handle.
        return;
    }
    if (this._dateAdapter.compareDate(oldActiveDate, this.activeDate)) {
      this.activeDateChange.emit(this.activeDate);
    }

    this._focusActiveCell();
    // Prevent unexpected default actions such as form submission.
    event.preventDefault();
  }
Example #5
Source File: year-view.ts    From angular-material-components with MIT License 5 votes vote down vote up 
/** Handles keydown events on the calendar body when calendar is in year view. */
  _handleCalendarBodyKeydown(event: KeyboardEvent): void {
    // TODO(mmalerba): We currently allow keyboard navigation to disabled dates, but just prevent
    // disabled ones from being selected. This may not be ideal, we should look into whether
    // navigation should skip over disabled dates, and if so, how to implement that efficiently.

    const oldActiveDate = this._activeDate;
    const isRtl = this._isRtl();

    switch (event.keyCode) {
      case LEFT_ARROW:
        this.activeDate = this._dateAdapter.addCalendarMonths(this._activeDate, isRtl ? 1 : -1);
        break;
      case RIGHT_ARROW:
        this.activeDate = this._dateAdapter.addCalendarMonths(this._activeDate, isRtl ? -1 : 1);
        break;
      case UP_ARROW:
        this.activeDate = this._dateAdapter.addCalendarMonths(this._activeDate, -4);
        break;
      case DOWN_ARROW:
        this.activeDate = this._dateAdapter.addCalendarMonths(this._activeDate, 4);
        break;
      case HOME:
        this.activeDate = this._dateAdapter.addCalendarMonths(this._activeDate,
          -this._dateAdapter.getMonth(this._activeDate));
        break;
      case END:
        this.activeDate = this._dateAdapter.addCalendarMonths(this._activeDate,
          11 - this._dateAdapter.getMonth(this._activeDate));
        break;
      case PAGE_UP:
        this.activeDate =
          this._dateAdapter.addCalendarYears(this._activeDate, event.altKey ? -10 : -1);
        break;
      case PAGE_DOWN:
        this.activeDate =
          this._dateAdapter.addCalendarYears(this._activeDate, event.altKey ? 10 : 1);
        break;
      case ENTER:
      case SPACE:
        this._monthSelected(this._dateAdapter.getMonth(this._activeDate));
        break;
      default:
        // Don't prevent default or focus active cell on keys that we don't explicitly handle.
        return;
    }

    if (this._dateAdapter.compareDate(oldActiveDate, this.activeDate)) {
      this.activeDateChange.emit(this.activeDate);
    }

    this._focusActiveCell();
    // Prevent unexpected default actions such as form submission.
    event.preventDefault();
  }
Example #6
Source File: datetime-input.ts    From ngx-mat-datetime-picker with MIT License 5 votes vote down vote up 
_onKeydown(event: KeyboardEvent) {
        const isAltDownArrow = event.altKey && event.keyCode === DOWN_ARROW;

        if (this._datepicker && isAltDownArrow && !this._elementRef.nativeElement.readOnly) {
            this._datepicker.open();
            event.preventDefault();
        }
    }
Example #7
Source File: month-view.ts    From ngx-mat-datetime-picker with MIT License 5 votes vote down vote up 
/** Handles keydown events on the calendar body when calendar is in month view. */
  _handleCalendarBodyKeydown(event: KeyboardEvent): void {
    // TODO(mmalerba): We currently allow keyboard navigation to disabled dates, but just prevent
    // disabled ones from being selected. This may not be ideal, we should look into whether
    // navigation should skip over disabled dates, and if so, how to implement that efficiently.

    const oldActiveDate = this._activeDate;
    const isRtl = this._isRtl();

    switch (event.keyCode) {
      case LEFT_ARROW:
        this.activeDate = this._dateAdapter.addCalendarDays(this._activeDate, isRtl ? 1 : -1);
        break;
      case RIGHT_ARROW:
        this.activeDate = this._dateAdapter.addCalendarDays(this._activeDate, isRtl ? -1 : 1);
        break;
      case UP_ARROW:
        this.activeDate = this._dateAdapter.addCalendarDays(this._activeDate, -7);
        break;
      case DOWN_ARROW:
        this.activeDate = this._dateAdapter.addCalendarDays(this._activeDate, 7);
        break;
      case HOME:
        this.activeDate = this._dateAdapter.addCalendarDays(this._activeDate,
          1 - this._dateAdapter.getDate(this._activeDate));
        break;
      case END:
        this.activeDate = this._dateAdapter.addCalendarDays(this._activeDate,
          (this._dateAdapter.getNumDaysInMonth(this._activeDate) -
            this._dateAdapter.getDate(this._activeDate)));
        break;
      case PAGE_UP:
        this.activeDate = event.altKey ?
          this._dateAdapter.addCalendarYears(this._activeDate, -1) :
          this._dateAdapter.addCalendarMonths(this._activeDate, -1);
        break;
      case PAGE_DOWN:
        this.activeDate = event.altKey ?
          this._dateAdapter.addCalendarYears(this._activeDate, 1) :
          this._dateAdapter.addCalendarMonths(this._activeDate, 1);
        break;
      case ENTER:
      case SPACE:
        if (!this.dateFilter || this.dateFilter(this._activeDate)) {
          this._dateSelected(this._dateAdapter.getDate(this._activeDate));
          this._userSelection.emit();
          // Prevent unexpected default actions such as form submission.
          event.preventDefault();
        }
        return;
      default:
        // Don't prevent default or focus active cell on keys that we don't explicitly handle.
        return;
    }

    if (this._dateAdapter.compareDate(oldActiveDate, this.activeDate)) {
      this.activeDateChange.emit(this.activeDate);
    }

    this._focusActiveCell();
    // Prevent unexpected default actions such as form submission.
    event.preventDefault();
  }
Example #8
Source File: year-view.ts    From ngx-mat-datetime-picker with MIT License 5 votes vote down vote up 
/** Handles keydown events on the calendar body when calendar is in year view. */
  _handleCalendarBodyKeydown(event: KeyboardEvent): void {
    // TODO(mmalerba): We currently allow keyboard navigation to disabled dates, but just prevent
    // disabled ones from being selected. This may not be ideal, we should look into whether
    // navigation should skip over disabled dates, and if so, how to implement that efficiently.

    const oldActiveDate = this._activeDate;
    const isRtl = this._isRtl();

    switch (event.keyCode) {
      case LEFT_ARROW:
        this.activeDate = this._dateAdapter.addCalendarMonths(this._activeDate, isRtl ? 1 : -1);
        break;
      case RIGHT_ARROW:
        this.activeDate = this._dateAdapter.addCalendarMonths(this._activeDate, isRtl ? -1 : 1);
        break;
      case UP_ARROW:
        this.activeDate = this._dateAdapter.addCalendarMonths(this._activeDate, -4);
        break;
      case DOWN_ARROW:
        this.activeDate = this._dateAdapter.addCalendarMonths(this._activeDate, 4);
        break;
      case HOME:
        this.activeDate = this._dateAdapter.addCalendarMonths(this._activeDate,
          -this._dateAdapter.getMonth(this._activeDate));
        break;
      case END:
        this.activeDate = this._dateAdapter.addCalendarMonths(this._activeDate,
          11 - this._dateAdapter.getMonth(this._activeDate));
        break;
      case PAGE_UP:
        this.activeDate =
          this._dateAdapter.addCalendarYears(this._activeDate, event.altKey ? -10 : -1);
        break;
      case PAGE_DOWN:
        this.activeDate =
          this._dateAdapter.addCalendarYears(this._activeDate, event.altKey ? 10 : 1);
        break;
      case ENTER:
      case SPACE:
        this._monthSelected(this._dateAdapter.getMonth(this._activeDate));
        break;
      default:
        // Don't prevent default or focus active cell on keys that we don't explicitly handle.
        return;
    }

    if (this._dateAdapter.compareDate(oldActiveDate, this.activeDate)) {
      this.activeDateChange.emit(this.activeDate);
    }

    this._focusActiveCell();
    // Prevent unexpected default actions such as form submission.
    event.preventDefault();
  }