/**
 * @(#)calendar.component.scss Sept 07, 2023
 *
 * Custom Calendar Component that manages two side-by-side
 * month views with support for date range selection, hover
 * highlighting, and navigation controls.
 *
 * @author Aakash Kumar
 */
import { AfterViewInit } from '@angular/core';
import { DateRange, MatCalendar } from '@angular/material/datepicker';
import * as i0 from "@angular/core";
export declare class CalendarComponent implements AfterViewInit {
    firstViewStartDate: import("@angular/core").WritableSignal<Date>;
    secondViewStartDate: import("@angular/core").WritableSignal<Date>;
    secondViewMinDate: import("@angular/core").WritableSignal<Date>;
    minDate: Date;
    maxDate: Date;
    firstCalendarView: MatCalendar<Date>;
    secondCalendarView: MatCalendar<Date>;
    private _selectedDates;
    private isAllowHoverEvent;
    private cdref;
    private el;
    private renderer;
    /**
     * Updates the selected date range and synchronizes both calendar views.
     */
    set selectedDates(selectedDates: DateRange<Date> | null);
    get selectedDates(): DateRange<Date> | null;
    /**
     * Lifecycle hook that is called after Angular has fully initialized
     * the component's view (and child views).
     *
     * Used here to attach hover events and register active date change
     * listeners once the calendar views are available in the DOM.
     */
    ngAfterViewInit(): void;
    /**
     * Handles month selection in the first view.
     *
     * @param event - Selected month date
     */
    monthSelected(viewName: string): void;
    /**
     * Updates the selected date range when a date is clicked.
     *
     * @param date - Date clicked by the user
     */
    updateDateRangeSelection(date: Date | null): void;
    /**
     * Registers event handlers for active date changes on both calendar views.
     *
     * This method overrides the default `activeDate` property setter of each
     * calendar view to ensure custom handlers are executed whenever the
     * active date changes.
     */
    private registerActiveDateChangeEvents;
    /**
     * Handles the event when the active date of the first calendar view changes.
     *
     * @param activeDate - Object containing `previous` and `current` date values.
     */
    private onFirstViewActiveDateChange;
    /**
     * Handles the event when the active date of the second calendar view changes.
     *
     * @param activeDate - Object containing `previous` and `current` date values.
     */
    private onSecondViewActiveDateChange;
    /**
     * Handles the "next" navigation event for the first calendar view.
     *
     * @param currDate - The currently active date in the first calendar view.
     * @param force - Optional flag that can be used to enforce updates (not used in current logic).
     */
    private handleFirstViewNextEvent;
    /**
     * Handles the "previous" navigation event for the first calendar view.
     *
     * @param activeDate - Object containing `previous` and `current` date values.
     */
    private handleFirstViewPrevEvent;
    /**
     * Checks whether the previous date is greater than the current date.
     *
     * @param activeDate - Object containing `previous` and `current` date values.
     * @returns `true` if the previous date is later than the current date, otherwise `false`.
     */
    private isPrevious;
    /**
     * Attaches hover events to all date cells in the first view.
     */
    private attachHoverEvent;
    /**
     * Removes active focus from the second view.
     *
     * @param classRef - Reference to this component
     */
    private removeDefaultFocus;
    /**
     * Updates the selection range dynamically on hover.
     *
     * @param date - Hovered date
     */
    private updateSelectionOnMouseHover;
    /**
     * Attaches hover events to given nodes to update range selection.
     *
     * @param nodes - Date cell nodes
     */
    private addHoverEvents;
    static ɵfac: i0.ɵɵFactoryDeclaration<CalendarComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<CalendarComponent, "lib-calendar", never, { "minDate": { "alias": "minDate"; "required": false; }; "maxDate": { "alias": "maxDate"; "required": false; }; "selectedDates": { "alias": "selectedDates"; "required": false; }; }, {}, never, never, false, never>;
}