@clr/angular
Version:
Angular components for Clarity
195 lines • 23.9 kB
JavaScript
/*
* Copyright (c) 2016-2025 Broadcom. All Rights Reserved.
* The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
* This software is released under MIT license.
* The full license information can be found in LICENSE in the root directory of this project.
*/
import { Injectable } from '@angular/core';
import { tap } from 'rxjs';
import { Subject } from 'rxjs';
import { CalendarModel } from '../model/calendar.model';
import { DayModel } from '../model/day.model';
import * as i0 from "@angular/core";
/**
* This service is responsible for:
* 1. Initializing the displayed calendar.
* 2. Moving the calendar to the next, previous or current months
* 3. Managing the focused and selected day models.
*/
export class DateNavigationService {
constructor() {
this.isRangePicker = false;
this.hasActionButtons = false;
this._todaysFullDate = new Date();
this._selectedDayChange = new Subject();
this._selectedEndDayChange = new Subject();
this._displayedCalendarChange = new Subject();
this._focusOnCalendarChange = new Subject();
this._refreshCalendarView = new Subject();
this._focusedDayChange = new Subject();
}
get today() {
return this._today;
}
get displayedCalendar() {
return this._displayedCalendar;
}
get selectedDayChange() {
return this._selectedDayChange.asObservable();
}
get selectedEndDayChange() {
return this._selectedEndDayChange.asObservable();
}
/**
* This observable lets the subscriber know that the displayed calendar has changed.
*/
get displayedCalendarChange() {
return this._displayedCalendarChange.asObservable();
}
/**
* This observable lets the subscriber know that the focus should be applied on the calendar.
*/
get focusOnCalendarChange() {
return this._focusOnCalendarChange.asObservable();
}
/**
* This observable lets the subscriber know that the focused day in the displayed calendar has changed.
*/
get focusedDayChange() {
return this._focusedDayChange.asObservable().pipe(tap((day) => (this.focusedDay = day)));
}
/**
* This observable lets the subscriber know that the displayed calendar has changed.
*/
get refreshCalendarView() {
return this._refreshCalendarView.asObservable();
}
/**
* Notifies that the selected day has changed so that the date can be emitted to the user.
*/
notifySelectedDayChanged(dayObject, { emitEvent } = { emitEvent: true }) {
if (this.isRangePicker) {
const { startDate, endDate } = dayObject;
if (startDate && endDate) {
this.setSelectedDay(startDate, emitEvent);
this.setSelectedEndDay(endDate, emitEvent);
}
else {
if (endDate !== null) {
this.setSelectedEndDay(endDate, emitEvent);
}
if (startDate !== null) {
this.setSelectedDay(startDate, emitEvent);
}
}
}
else {
const day = dayObject;
this.setSelectedDay(day, emitEvent);
}
this._refreshCalendarView.next();
}
/**
* Initializes the calendar based on the selected day.
*/
initializeCalendar() {
this.focusedDay = null; // Can be removed later on the store focus
this.initializeTodaysDate();
if (this.selectedDay) {
this._displayedCalendar = new CalendarModel(this.selectedDay.year, this.selectedDay.month);
}
else {
this._displayedCalendar = new CalendarModel(this.today.year, this.today.month);
}
}
changeMonth(month) {
this.setDisplayedCalendar(new CalendarModel(this._displayedCalendar.year, month));
}
changeYear(year) {
this.setDisplayedCalendar(new CalendarModel(year, this._displayedCalendar.month));
}
/**
* Moves the displayed calendar to the next month.
*/
moveToNextMonth() {
this.setDisplayedCalendar(this._displayedCalendar.nextMonth());
}
/**
* Moves the displayed calendar to the previous month.
*/
moveToPreviousMonth() {
this.setDisplayedCalendar(this._displayedCalendar.previousMonth());
}
/**
* Moves the displayed calendar to the next year.
*/
moveToNextYear() {
this.setDisplayedCalendar(this._displayedCalendar.nextYear());
}
/**
* Moves the displayed calendar to the previous year.
*/
moveToPreviousYear() {
this.setDisplayedCalendar(this._displayedCalendar.previousYear());
}
/**
* Moves the displayed calendar to the current month and year.
*/
moveToCurrentMonth() {
if (!this.displayedCalendar.isDayInCalendar(this.today)) {
this.setDisplayedCalendar(new CalendarModel(this.today.year, this.today.month));
}
this._focusOnCalendarChange.next();
}
moveToSpecificMonth(day) {
if (!this.displayedCalendar.isDayInCalendar(day)) {
this.setDisplayedCalendar(new CalendarModel(day.year, day.month));
}
}
incrementFocusDay(value) {
this.hoveredDay = this.focusedDay = this.focusedDay.incrementBy(value);
if (this._displayedCalendar.isDayInCalendar(this.focusedDay)) {
this._focusedDayChange.next(this.focusedDay);
}
else {
this.setDisplayedCalendar(new CalendarModel(this.focusedDay.year, this.focusedDay.month));
}
this._focusOnCalendarChange.next();
}
resetSelectedDay() {
this.selectedDay = this.persistedDate;
this.selectedEndDay = this.persistedEndDate;
}
convertDateToDayModel(date) {
return new DayModel(date.getFullYear(), date.getMonth(), date.getDate());
}
setSelectedDay(dayModel, emitEvent) {
this.selectedDay = dayModel;
if (emitEvent) {
this._selectedDayChange.next(dayModel);
}
}
setSelectedEndDay(dayModel, emitEvent) {
this.selectedEndDay = dayModel;
if (emitEvent) {
this._selectedEndDayChange.next(dayModel);
}
}
// not a setter because i want this to remain private
setDisplayedCalendar(value) {
if (!this._displayedCalendar.isEqual(value)) {
this._displayedCalendar = value;
this._displayedCalendarChange.next();
}
}
initializeTodaysDate() {
this._todaysFullDate = new Date();
this._today = new DayModel(this._todaysFullDate.getFullYear(), this._todaysFullDate.getMonth(), this._todaysFullDate.getDate());
}
}
DateNavigationService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: DateNavigationService, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
DateNavigationService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: DateNavigationService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: DateNavigationService, decorators: [{
type: Injectable
}] });
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* Copyright (c) 2016-2025 Broadcom. All Rights Reserved.\n * The term \"Broadcom\" refers to Broadcom Inc. and/or its subsidiaries.\n * This software is released under MIT license.\n * The full license information can be found in LICENSE in the root directory of this project.\n */\n\nimport { Injectable } from '@angular/core';\nimport { Observable, tap } from 'rxjs';\nimport { Subject } from 'rxjs';\n\nimport { DateRangeInput } from '../interfaces/date-range.interface';\nimport { CalendarModel } from '../model/calendar.model';\nimport { DayModel } from '../model/day.model';\n\n/**\n * This service is responsible for:\n * 1. Initializing the displayed calendar.\n * 2. Moving the calendar to the next, previous or current months\n * 3. Managing the focused and selected day models.\n */\n@Injectable()\nexport class DateNavigationService {\n  persistedDate: DayModel;\n  persistedEndDate: DayModel;\n  selectedDay: DayModel;\n  selectedEndDay: DayModel;\n  focusedDay: DayModel;\n  hoveredDay: DayModel;\n  hoveredMonth: number;\n  hoveredYear: number;\n  isRangePicker = false;\n  hasActionButtons = false;\n\n  private _displayedCalendar: CalendarModel;\n  private _todaysFullDate: Date = new Date();\n  private _today: DayModel;\n  private _selectedDayChange = new Subject<DayModel>();\n  private _selectedEndDayChange = new Subject<DayModel>();\n  private _displayedCalendarChange = new Subject<void>();\n  private _focusOnCalendarChange = new Subject<void>();\n  private _refreshCalendarView = new Subject<void>();\n  private _focusedDayChange = new Subject<DayModel>();\n\n  get today(): DayModel {\n    return this._today;\n  }\n\n  get displayedCalendar(): CalendarModel {\n    return this._displayedCalendar;\n  }\n\n  get selectedDayChange(): Observable<DayModel> {\n    return this._selectedDayChange.asObservable();\n  }\n\n  get selectedEndDayChange(): Observable<DayModel> {\n    return this._selectedEndDayChange.asObservable();\n  }\n\n  /**\n   * This observable lets the subscriber know that the displayed calendar has changed.\n   */\n  get displayedCalendarChange(): Observable<void> {\n    return this._displayedCalendarChange.asObservable();\n  }\n\n  /**\n   * This observable lets the subscriber know that the focus should be applied on the calendar.\n   */\n  get focusOnCalendarChange(): Observable<void> {\n    return this._focusOnCalendarChange.asObservable();\n  }\n\n  /**\n   * This observable lets the subscriber know that the focused day in the displayed calendar has changed.\n   */\n  get focusedDayChange(): Observable<DayModel> {\n    return this._focusedDayChange.asObservable().pipe(tap((day: DayModel) => (this.focusedDay = day)));\n  }\n\n  /**\n   * This observable lets the subscriber know that the displayed calendar has changed.\n   */\n  get refreshCalendarView(): Observable<void> {\n    return this._refreshCalendarView.asObservable();\n  }\n\n  /**\n   * Notifies that the selected day has changed so that the date can be emitted to the user.\n   */\n  notifySelectedDayChanged(dayObject: DayModel | DateRangeInput, { emitEvent } = { emitEvent: true }): void {\n    if (this.isRangePicker) {\n      const { startDate, endDate } = dayObject as DateRangeInput;\n      if (startDate && endDate) {\n        this.setSelectedDay(startDate, emitEvent);\n        this.setSelectedEndDay(endDate, emitEvent);\n      } else {\n        if (endDate !== null) {\n          this.setSelectedEndDay(endDate, emitEvent);\n        }\n        if (startDate !== null) {\n          this.setSelectedDay(startDate, emitEvent);\n        }\n      }\n    } else {\n      const day = dayObject as DayModel;\n      this.setSelectedDay(day, emitEvent);\n    }\n    this._refreshCalendarView.next();\n  }\n\n  /**\n   * Initializes the calendar based on the selected day.\n   */\n  initializeCalendar(): void {\n    this.focusedDay = null; // Can be removed later on the store focus\n    this.initializeTodaysDate();\n    if (this.selectedDay) {\n      this._displayedCalendar = new CalendarModel(this.selectedDay.year, this.selectedDay.month);\n    } else {\n      this._displayedCalendar = new CalendarModel(this.today.year, this.today.month);\n    }\n  }\n\n  changeMonth(month: number): void {\n    this.setDisplayedCalendar(new CalendarModel(this._displayedCalendar.year, month));\n  }\n\n  changeYear(year: number): void {\n    this.setDisplayedCalendar(new CalendarModel(year, this._displayedCalendar.month));\n  }\n\n  /**\n   * Moves the displayed calendar to the next month.\n   */\n  moveToNextMonth(): void {\n    this.setDisplayedCalendar(this._displayedCalendar.nextMonth());\n  }\n\n  /**\n   * Moves the displayed calendar to the previous month.\n   */\n  moveToPreviousMonth(): void {\n    this.setDisplayedCalendar(this._displayedCalendar.previousMonth());\n  }\n\n  /**\n   * Moves the displayed calendar to the next year.\n   */\n  moveToNextYear(): void {\n    this.setDisplayedCalendar(this._displayedCalendar.nextYear());\n  }\n\n  /**\n   * Moves the displayed calendar to the previous year.\n   */\n  moveToPreviousYear(): void {\n    this.setDisplayedCalendar(this._displayedCalendar.previousYear());\n  }\n\n  /**\n   * Moves the displayed calendar to the current month and year.\n   */\n  moveToCurrentMonth(): void {\n    if (!this.displayedCalendar.isDayInCalendar(this.today)) {\n      this.setDisplayedCalendar(new CalendarModel(this.today.year, this.today.month));\n    }\n    this._focusOnCalendarChange.next();\n  }\n\n  moveToSpecificMonth(day: DayModel) {\n    if (!this.displayedCalendar.isDayInCalendar(day)) {\n      this.setDisplayedCalendar(new CalendarModel(day.year, day.month));\n    }\n  }\n\n  incrementFocusDay(value: number): void {\n    this.hoveredDay = this.focusedDay = this.focusedDay.incrementBy(value);\n    if (this._displayedCalendar.isDayInCalendar(this.focusedDay)) {\n      this._focusedDayChange.next(this.focusedDay);\n    } else {\n      this.setDisplayedCalendar(new CalendarModel(this.focusedDay.year, this.focusedDay.month));\n    }\n    this._focusOnCalendarChange.next();\n  }\n\n  resetSelectedDay() {\n    this.selectedDay = this.persistedDate;\n    this.selectedEndDay = this.persistedEndDate;\n  }\n\n  convertDateToDayModel(date: Date): DayModel {\n    return new DayModel(date.getFullYear(), date.getMonth(), date.getDate());\n  }\n\n  private setSelectedDay(dayModel: DayModel | undefined, emitEvent): void {\n    this.selectedDay = dayModel;\n    if (emitEvent) {\n      this._selectedDayChange.next(dayModel);\n    }\n  }\n\n  private setSelectedEndDay(dayModel: DayModel | undefined, emitEvent): void {\n    this.selectedEndDay = dayModel;\n    if (emitEvent) {\n      this._selectedEndDayChange.next(dayModel);\n    }\n  }\n\n  // not a setter because i want this to remain private\n  private setDisplayedCalendar(value: CalendarModel) {\n    if (!this._displayedCalendar.isEqual(value)) {\n      this._displayedCalendar = value;\n      this._displayedCalendarChange.next();\n    }\n  }\n\n  private initializeTodaysDate(): void {\n    this._todaysFullDate = new Date();\n    this._today = new DayModel(\n      this._todaysFullDate.getFullYear(),\n      this._todaysFullDate.getMonth(),\n      this._todaysFullDate.getDate()\n    );\n  }\n}\n"]}