import { EventEmitter, QueryList, ElementRef, ChangeDetectorRef } from '@angular/core';
import { WEEKDAYS, IFormattingOptions, IFormattingViews, IViewDateChangeEventArgs, ScrollDirection, IgxCalendarView } from './calendar';
import { ControlValueAccessor } from '@angular/forms';
import { DateRangeDescriptor } from '../core/dates';
import { Subject } from 'rxjs';
import { PlatformUtil } from '../core/utils';
import { ICalendarResourceStrings } from '../core/i18n/calendar-resources';
import { KeyboardNavigationService } from './calendar.services';
import * as i0 from "@angular/core";
/** @hidden @internal */
export declare class IgxCalendarBaseDirective implements ControlValueAccessor {
    protected platform: PlatformUtil;
    protected _localeId: string;
    protected keyboardNavigation?: KeyboardNavigationService;
    protected cdr?: ChangeDetectorRef;
    /**
     * Holds month view index we are operating on.
     */
    protected activeViewIdx: number;
    /**
     * @hidden
     */
    private _activeView;
    /**
     * @hidden
     */
    private activeViewSubject;
    /**
     * @hidden
     */
    protected activeView$: import("rxjs").Observable<IgxCalendarView>;
    /**
     * Sets/gets whether the outside dates (dates that are out of the current month) will be hidden.
     * Default value is `false`.
     * ```html
     * <igx-calendar [hideOutsideDays]="true"></igx-calendar>
     * ```
     * ```typescript
     * let hideOutsideDays = this.calendar.hideOutsideDays;
     * ```
     */
    hideOutsideDays: boolean;
    /**
     * Emits an event when a date is selected.
     * Provides reference the `selectedDates` property.
     */
    selected: EventEmitter<Date | Date[]>;
    /**
     * Emits an event when the month in view is changed.
     * ```html
     * <igx-calendar (viewDateChanged)="viewDateChanged($event)"></igx-calendar>
     * ```
     * ```typescript
     * public viewDateChanged(event: IViewDateChangeEventArgs) {
     *  let viewDate = event.currentValue;
     * }
     * ```
     */
    viewDateChanged: EventEmitter<IViewDateChangeEventArgs>;
    /**
     * Emits an event when the active view is changed.
     * ```html
     * <igx-calendar (activeViewChanged)="activeViewChanged($event)"></igx-calendar>
     * ```
     * ```typescript
     * public activeViewChanged(event: CalendarView) {
     *  let activeView = event;
     * }
     * ```
     */
    activeViewChanged: EventEmitter<IgxCalendarView>;
    /**
     * @hidden
     */
    rangeStarted: boolean;
    /**
     * @hidden
     */
    pageScrollDirection: ScrollDirection;
    /**
     * @hidden
     */
    scrollPage$: Subject<void>;
    /**
     * @hidden
     */
    stopPageScroll$: Subject<boolean>;
    /**
     * @hidden
     */
    startPageScroll$: Subject<void>;
    /**
     * @hidden
     */
    selectedDates: Date[];
    /**
     * @hidden
     */
    shiftKey: boolean;
    /**
    * @hidden
    */
    lastSelectedDate: Date;
    /**
     * @hidden
     */
    protected formatterWeekday: Intl.DateTimeFormat;
    /**
     * @hidden
     */
    protected formatterDay: Intl.DateTimeFormat;
    /**
     * @hidden
     */
    protected formatterMonth: Intl.DateTimeFormat;
    /**
     * @hidden
     */
    protected formatterYear: Intl.DateTimeFormat;
    /**
     * @hidden
     */
    protected formatterMonthday: Intl.DateTimeFormat;
    /**
     * @hidden
     */
    protected formatterRangeday: Intl.DateTimeFormat;
    /**
     * @hidden
     */
    protected _onTouchedCallback: () => void;
    /**
     * @hidden
     */
    protected _onChangeCallback: (_: Date | Date[]) => void;
    /**
      * @hidden
      */
    protected _deselectDate: boolean;
    /**
     * @hidden
     */
    private initialSelection;
    /**
     * @hidden
     */
    private _locale;
    /**
     * @hidden
     */
    private _weekStart;
    /**
     * @hidden
     */
    private _viewDate;
    /**
     * @hidden
     */
    private _startDate;
    /**
     * @hidden
     */
    private _endDate;
    /**
     * @hidden
     */
    private _disabledDates;
    /**
     * @hidden
     */
    private _specialDates;
    /**
     * @hidden
     */
    private _selection;
    /** @hidden @internal */
    private _resourceStrings;
    /**
     * @hidden
     */
    private _formatOptions;
    /**
     * @hidden
     */
    private _formatViews;
    /**
     * An accessor that sets the resource strings.
     * By default it uses EN resources.
     */
    set resourceStrings(value: ICalendarResourceStrings);
    /**
     * An accessor that returns the resource strings.
     */
    get resourceStrings(): ICalendarResourceStrings;
    /**
     * Gets the start day of the week.
     * Can return a numeric or an enum representation of the week day.
     * If not set, defaults to the first day of the week for the application locale.
     */
    get weekStart(): WEEKDAYS | number;
    /**
     * Sets the start day of the week.
     * Can be assigned to a numeric value or to `WEEKDAYS` enum value.
     */
    set weekStart(value: WEEKDAYS | number);
    /**
     * Gets the `locale` of the calendar.
     * If not set, defaults to application's locale.
     */
    get locale(): string;
    /**
     * Sets the `locale` of the calendar.
     * Expects a valid BCP 47 language tag.
     */
    set locale(value: string);
    /**
     * Gets the date format options of the views.
     */
    get formatOptions(): IFormattingOptions;
    /**
     * Sets the date format options of the views.
     * Default is { day: 'numeric', month: 'short', weekday: 'short', year: 'numeric' }
     */
    set formatOptions(formatOptions: IFormattingOptions);
    /**
     * Gets whether the `day`, `month` and `year` should be rendered
     * according to the locale and formatOptions, if any.
     */
    get formatViews(): IFormattingViews;
    /**
     * Sets whether the `day`, `month` and `year` should be rendered
     * according to the locale and formatOptions, if any.
     */
    set formatViews(formatViews: IFormattingViews);
    /**
     * Gets the current active view.
     * ```typescript
     * this.activeView = calendar.activeView;
     * ```
     */
    get activeView(): IgxCalendarView;
    /**
     * Sets the current active view.
     * ```html
     * <igx-calendar [activeView]="year" #calendar></igx-calendar>
     * ```
     * ```typescript
     * calendar.activeView = IgxCalendarView.YEAR;
     * ```
     */
    set activeView(val: IgxCalendarView);
    /**
     * @hidden
     */
    get isDefaultView(): boolean;
    /**
     * @hidden
     */
    get isDecadeView(): boolean;
    /**
     * @hidden
     */
    activeViewDecade(activeViewIdx?: number): void;
    /**
     * @hidden
     */
    activeViewDecadeKB(event: KeyboardEvent, activeViewIdx?: number): void;
    /**
     * @hidden
     */
    yearsBtns: QueryList<ElementRef>;
    /**
     * @hidden @internal
     */
    previousViewDate: Date;
    /**
     * @hidden
     */
    changeYear(date: Date): void;
    /**
     * Returns the locale representation of the year in the year view if enabled,
     * otherwise returns the default `Date.getFullYear()` value.
     *
     * @hidden
     */
    formattedYear(value: Date | Date[]): string;
    formattedYears(value: Date): string;
    protected prevNavLabel(detail?: string): string;
    protected nextNavLabel(detail?: string): string;
    protected getDecadeRange(): {
        start: string;
        end: string;
    };
    /**
     *
     * Gets the selection type.
     * Default value is `"single"`.
     * Changing the type of selection resets the currently
     * selected values if any.
     */
    get selection(): string;
    /**
     * Sets the selection.
     */
    set selection(value: string);
    /**
     * Gets the date that is presented. By default it is the current date.
     */
    get viewDate(): Date;
    /**
     * Sets the date that will be presented in the default view when the component renders.
     */
    set viewDate(value: Date | string);
    /**
     * Gets the disabled dates descriptors.
     */
    get disabledDates(): DateRangeDescriptor[];
    /**
     * Sets the disabled dates' descriptors.
     * ```typescript
     * @ViewChild("MyCalendar")
     * public calendar: IgxCalendarComponent;
     * ngOnInit(){
     *    this.calendar.disabledDates = [
     *     {type: DateRangeType.Between, dateRange: [new Date("2020-1-1"), new Date("2020-1-15")]},
     *     {type: DateRangeType.Weekends}];
     * }
     * ```
     */
    set disabledDates(value: DateRangeDescriptor[]);
    /**
     * Checks whether a date is disabled.
     *
     * @hidden
     */
    isDateDisabled(date: Date | string): boolean;
    /**
     * Gets the special dates descriptors.
     */
    get specialDates(): DateRangeDescriptor[];
    /**
     * Sets the special dates' descriptors.
     * ```typescript
     * @ViewChild("MyCalendar")
     * public calendar: IgxCalendarComponent;
     * ngOnInit(){
     *    this.calendar.specialDates = [
     *     {type: DateRangeType.Between, dateRange: [new Date("2020-1-1"), new Date("2020-1-15")]},
     *     {type: DateRangeType.Weekends}];
     * }
     * ```
     */
    set specialDates(value: DateRangeDescriptor[]);
    /**
     * Gets the selected date(s).
     *
     * When selection is set to `single`, it returns
     * a single `Date` object.
     * Otherwise it is an array of `Date` objects.
     */
    get value(): Date | Date[];
    /**
     * Sets the selected date(s).
     *
     * When selection is set to `single`, it accepts
     * a single `Date` object.
     * Otherwise it is an array of `Date` objects.
     */
    set value(value: Date | Date[] | string);
    /**
     * @hidden
     */
    constructor(platform: PlatformUtil, _localeId: string, keyboardNavigation?: KeyboardNavigationService, cdr?: ChangeDetectorRef);
    /**
     * Multi/Range selection with shift key
     *
     * @hidden
     * @internal
     */
    onPointerdown(event: MouseEvent): void;
    /**
     * @hidden
     */
    registerOnChange(fn: (v: Date | Date[]) => void): void;
    /**
     * @hidden
     */
    registerOnTouched(fn: () => void): void;
    /**
     * @hidden
     */
    writeValue(value: Date | Date[]): void;
    /**
     * Selects date(s) (based on the selection type).
     */
    selectDate(value: Date | Date[] | string): void;
    /**
     * Deselects date(s) (based on the selection type).
     */
    deselectDate(value?: Date | Date[] | string): void;
    /**
     * Performs a single selection.
     *
     * @hidden
     */
    private selectSingle;
    /**
     * Performs a single deselection.
     *
     * @hidden
     */
    private deselectSingle;
    /**
     * Performs a multiple selection
     *
     * @hidden
     */
    private selectMultiple;
    /**
     * Performs a multiple deselection.
     *
     * @hidden
     */
    private deselectMultiple;
    /**
     * @hidden
     */
    private selectRange;
    /**
     * Performs a range deselection.
     *
     * @hidden
     */
    private deselectRange;
    /**
     * @hidden
     */
    protected initFormatters(): void;
    /**
     * @hidden
     */
    protected getDateOnly(date: Date): Date;
    /**
     * @hidden
     */
    private getDateOnlyInMs;
    /**
     * @hidden
     */
    private generateDateRange;
    private validateDate;
    static ɵfac: i0.ɵɵFactoryDeclaration<IgxCalendarBaseDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<IgxCalendarBaseDirective, "[igxCalendarBase]", never, { "hideOutsideDays": { "alias": "hideOutsideDays"; "required": false; }; "resourceStrings": { "alias": "resourceStrings"; "required": false; }; "weekStart": { "alias": "weekStart"; "required": false; }; "locale": { "alias": "locale"; "required": false; }; "formatOptions": { "alias": "formatOptions"; "required": false; }; "formatViews": { "alias": "formatViews"; "required": false; }; "activeView": { "alias": "activeView"; "required": false; }; "selection": { "alias": "selection"; "required": false; }; "viewDate": { "alias": "viewDate"; "required": false; }; "disabledDates": { "alias": "disabledDates"; "required": false; }; "specialDates": { "alias": "specialDates"; "required": false; }; "value": { "alias": "value"; "required": false; }; }, { "selected": "selected"; "viewDateChanged": "viewDateChanged"; "activeViewChanged": "activeViewChanged"; }, never, never, true, never>;
    static ngAcceptInputType_hideOutsideDays: unknown;
}