primeng
Version:
[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primeng) [ => Calendar),
multi: true
};
export class Calendar {
constructor(el, renderer, cd, zone, config, overlayService) {
this.el = el;
this.renderer = renderer;
this.cd = cd;
this.zone = zone;
this.config = config;
this.overlayService = overlayService;
this.multipleSeparator = ',';
this.rangeSeparator = '-';
this.inline = false;
this.showOtherMonths = true;
this.icon = 'pi pi-calendar';
this.shortYearCutoff = '+10';
this.hourFormat = '24';
this.stepHour = 1;
this.stepMinute = 1;
this.stepSecond = 1;
this.showSeconds = false;
this.showOnFocus = true;
this.showWeek = false;
this.dataType = 'date';
this.selectionMode = 'single';
this.todayButtonStyleClass = 'p-button-text';
this.clearButtonStyleClass = 'p-button-text';
this.autoZIndex = true;
this.baseZIndex = 0;
this.keepInvalid = false;
this.hideOnDateTimeSelect = true;
this.timeSeparator = ":";
this.focusTrap = true;
this.showTransitionOptions = '.12s cubic-bezier(0, 0, 0.2, 1)';
this.hideTransitionOptions = '.1s linear';
this.onFocus = new EventEmitter();
this.onBlur = new EventEmitter();
this.onClose = new EventEmitter();
this.onSelect = new EventEmitter();
this.onInput = new EventEmitter();
this.onTodayClick = new EventEmitter();
this.onClearClick = new EventEmitter();
this.onMonthChange = new EventEmitter();
this.onYearChange = new EventEmitter();
this.onClickOutside = new EventEmitter();
this.onShow = new EventEmitter();
this.onModelChange = () => { };
this.onModelTouched = () => { };
this.inputFieldValue = null;
this.navigationState = null;
this._numberOfMonths = 1;
this._view = 'date';
this.convertTo24Hour = function (hours, pm) {
if (this.hourFormat == '12') {
if (hours === 12) {
return (pm ? 12 : 0);
}
else {
return (pm ? hours + 12 : hours);
}
}
return hours;
};
}
set content(content) {
this.contentViewChild = content;
if (this.contentViewChild) {
if (this.isMonthNavigate) {
Promise.resolve(null).then(() => this.updateFocus());
this.isMonthNavigate = false;
}
else {
if (!this.focus) {
this.initFocusableCell();
}
}
}
}
;
get view() {
return this._view;
}
;
set view(view) {
this._view = view;
this.currentView = this._view;
}
get defaultDate() {
return this._defaultDate;
}
;
set defaultDate(defaultDate) {
this._defaultDate = defaultDate;
if (this.initialized) {
const date = defaultDate || new Date();
this.currentMonth = date.getMonth();
this.currentYear = date.getFullYear();
this.initTime(date);
this.createMonths(this.currentMonth, this.currentYear);
}
}
get minDate() {
return this._minDate;
}
set minDate(date) {
this._minDate = date;
if (this.currentMonth != undefined && this.currentMonth != null && this.currentYear) {
this.createMonths(this.currentMonth, this.currentYear);
}
}
get maxDate() {
return this._maxDate;
}
set maxDate(date) {
this._maxDate = date;
if (this.currentMonth != undefined && this.currentMonth != null && this.currentYear) {
this.createMonths(this.currentMonth, this.currentYear);
}
}
get disabledDates() {
return this._disabledDates;
}
set disabledDates(disabledDates) {
this._disabledDates = disabledDates;
if (this.currentMonth != undefined && this.currentMonth != null && this.currentYear) {
this.createMonths(this.currentMonth, this.currentYear);
}
}
get disabledDays() {
return this._disabledDays;
}
set disabledDays(disabledDays) {
this._disabledDays = disabledDays;
if (this.currentMonth != undefined && this.currentMonth != null && this.currentYear) {
this.createMonths(this.currentMonth, this.currentYear);
}
}
get yearRange() {
return this._yearRange;
}
set yearRange(yearRange) {
this._yearRange = yearRange;
if (yearRange) {
const years = yearRange.split(':');
const yearStart = parseInt(years[0]);
const yearEnd = parseInt(years[1]);
this.populateYearOptions(yearStart, yearEnd);
}
}
get showTime() {
return this._showTime;
}
set showTime(showTime) {
this._showTime = showTime;
if (this.currentHour === undefined) {
this.initTime(this.value || new Date());
}
this.updateInputfield();
}
get locale() {
return this._locale;
}
get responsiveOptions() {
return this._responsiveOptions;
}
;
set responsiveOptions(responsiveOptions) {
this._responsiveOptions = responsiveOptions;
this.destroyResponsiveStyleElement();
this.createResponsiveStyle();
}
get numberOfMonths() {
return this._numberOfMonths;
}
set numberOfMonths(numberOfMonths) {
this._numberOfMonths = numberOfMonths;
this.destroyResponsiveStyleElement();
this.createResponsiveStyle();
}
get firstDayOfWeek() {
return this._firstDayOfWeek;
}
set firstDayOfWeek(firstDayOfWeek) {
this._firstDayOfWeek = firstDayOfWeek;
this.createWeekDays();
}
set locale(newLocale) {
console.warn("Locale property has no effect, use new i18n API instead.");
}
ngOnInit() {
this.attributeSelector = UniqueComponentId();
const date = this.defaultDate || new Date();
this.createResponsiveStyle();
this.currentMonth = date.getMonth();
this.currentYear = date.getFullYear();
this.currentView = this.view;
if (this.view === 'date') {
this.createWeekDays();
this.initTime(date);
this.createMonths(this.currentMonth, this.currentYear);
this.ticksTo1970 = (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) + Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000);
}
this.translationSubscription = this.config.translationObserver.subscribe(() => {
this.createWeekDays();
});
this.initialized = true;
}
ngAfterContentInit() {
this.templates.forEach((item) => {
switch (item.getType()) {
case 'date':
this.dateTemplate = item.template;
break;
case 'decade':
this.decadeTemplate = item.template;
break;
case 'disabledDate':
this.disabledDateTemplate = item.template;
break;
case 'header':
this.headerTemplate = item.template;
break;
case 'footer':
this.footerTemplate = item.template;
break;
default:
this.dateTemplate = item.template;
break;
}
});
}
ngAfterViewInit() {
if (this.inline) {
this.contentViewChild && this.contentViewChild.nativeElement.setAttribute(this.attributeSelector, '');
if (!this.disabled) {
this.initFocusableCell();
if (this.numberOfMonths === 1) {
this.contentViewChild.nativeElement.style.width = DomHandler.getOuterWidth(this.containerViewChild.nativeElement) + 'px';
}
}
}
}
getTranslation(option) {
return this.config.getTranslation(option);
}
populateYearOptions(start, end) {
this.yearOptions = [];
for (let i = start; i <= end; i++) {
this.yearOptions.push(i);
}
}
createWeekDays() {
this.weekDays = [];
let dayIndex = this.getFirstDateOfWeek();
let dayLabels = this.getTranslation(TranslationKeys.DAY_NAMES_MIN);
for (let i = 0; i < 7; i++) {
this.weekDays.push(dayLabels[dayIndex]);
dayIndex = (dayIndex == 6) ? 0 : ++dayIndex;
}
}
monthPickerValues() {
let monthPickerValues = [];
for (let i = 0; i <= 11; i++) {
monthPickerValues.push(this.config.getTranslation('monthNamesShort')[i]);
}
return monthPickerValues;
}
yearPickerValues() {
let yearPickerValues = [];
let base = this.currentYear - (this.currentYear % 10);
for (let i = 0; i < 10; i++) {
yearPickerValues.push(base + i);
}
return yearPickerValues;
}
createMonths(month, year) {
this.months = this.months = [];
for (let i = 0; i < this.numberOfMonths; i++) {
let m = month + i;
let y = year;
if (m > 11) {
m = m % 11 - 1;
y = year + 1;
}
this.months.push(this.createMonth(m, y));
}
}
getWeekNumber(date) {
let checkDate = new Date(date.getTime());
checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
let time = checkDate.getTime();
checkDate.setMonth(0);
checkDate.setDate(1);
return Math.floor(Math.round((time - checkDate.getTime()) / 86400000) / 7) + 1;
}
createMonth(month, year) {
let dates = [];
let firstDay = this.getFirstDayOfMonthIndex(month, year);
let daysLength = this.getDaysCountInMonth(month, year);
let prevMonthDaysLength = this.getDaysCountInPrevMonth(month, year);
let dayNo = 1;
let today = new Date();
let weekNumbers = [];
let monthRows = Math.ceil((daysLength + firstDay) / 7);
for (let i = 0; i < monthRows; i++) {
let week = [];
if (i == 0) {
for (let j = (prevMonthDaysLength - firstDay + 1); j <= prevMonthDaysLength; j++) {
let prev = this.getPreviousMonthAndYear(month, year);
week.push({ day: j, month: prev.month, year: prev.year, otherMonth: true,
today: this.isToday(today, j, prev.month, prev.year), selectable: this.isSelectable(j, prev.month, prev.year, true) });
}
let remainingDaysLength = 7 - week.length;
for (let j = 0; j < remainingDaysLength; j++) {
week.push({ day: dayNo, month: month, year: year, today: this.isToday(today, dayNo, month, year),
selectable: this.isSelectable(dayNo, month, year, false) });
dayNo++;
}
}
else {
for (let j = 0; j < 7; j++) {
if (dayNo > daysLength) {
let next = this.getNextMonthAndYear(month, year);
week.push({ day: dayNo - daysLength, month: next.month, year: next.year, otherMonth: true,
today: this.isToday(today, dayNo - daysLength, next.month, next.year),
selectable: this.isSelectable((dayNo - daysLength), next.month, next.year, true) });
}
else {
week.push({ day: dayNo, month: month, year: year, today: this.isToday(today, dayNo, month, year),
selectable: this.isSelectable(dayNo, month, year, false) });
}
dayNo++;
}
}
if (this.showWeek) {
weekNumbers.push(this.getWeekNumber(new Date(week[0].year, week[0].month, week[0].day)));
}
dates.push(week);
}
return {
month: month,
year: year,
dates: dates,
weekNumbers: weekNumbers
};
}
initTime(date) {
this.pm = date.getHours() > 11;
if (this.showTime) {
this.currentMinute = date.getMinutes();
this.currentSecond = date.getSeconds();
this.setCurrentHourPM(date.getHours());
}
else if (this.timeOnly) {
this.currentMinute = 0;
this.currentHour = 0;
this.currentSecond = 0;
}
}
navBackward(event) {
if (this.disabled) {
event.preventDefault();
return;
}
this.isMonthNavigate = true;
if (this.currentView === 'month') {
this.decrementYear();
setTimeout(() => {
this.updateFocus();
}, 1);
}
else if (this.currentView === 'year') {
this.decrementDecade();
setTimeout(() => {
this.updateFocus();
}, 1);
}
else {
if (this.currentMonth === 0) {
this.currentMonth = 11;
this.decrementYear();
}
else {
this.currentMonth--;
}
this.onMonthChange.emit({ month: this.currentMonth + 1, year: this.currentYear });
this.createMonths(this.currentMonth, this.currentYear);
}
}
navForward(event) {
if (this.disabled) {
event.preventDefault();
return;
}
this.isMonthNavigate = true;
if (this.currentView === 'month') {
this.incrementYear();
setTimeout(() => {
this.updateFocus();
}, 1);
}
else if (this.currentView === 'year') {
this.incrementDecade();
setTimeout(() => {
this.updateFocus();
}, 1);
}
else {
if (this.currentMonth === 11) {
this.currentMonth = 0;
this.incrementYear();
}
else {
this.currentMonth++;
}
this.onMonthChange.emit({ month: this.currentMonth + 1, year: this.currentYear });
this.createMonths(this.currentMonth, this.currentYear);
}
}
decrementYear() {
this.currentYear--;
if (this.yearNavigator && this.currentYear < this.yearOptions[0]) {
let difference = this.yearOptions[this.yearOptions.length - 1] - this.yearOptions[0];
this.populateYearOptions(this.yearOptions[0] - difference, this.yearOptions[this.yearOptions.length - 1] - difference);
}
}
decrementDecade() {
this.currentYear = this.currentYear - 10;
}
incrementDecade() {
this.currentYear = this.currentYear + 10;
}
incrementYear() {
this.currentYear++;
if (this.yearNavigator && this.currentYear > this.yearOptions[this.yearOptions.length - 1]) {
let difference = this.yearOptions[this.yearOptions.length - 1] - this.yearOptions[0];
this.populateYearOptions(this.yearOptions[0] + difference, this.yearOptions[this.yearOptions.length - 1] + difference);
}
}
switchToMonthView(event) {
this.currentView = 'month';
event.preventDefault();
}
switchToYearView(event) {
this.currentView = 'year';
event.preventDefault();
}
onDateSelect(event, dateMeta) {
if (this.disabled || !dateMeta.selectable) {
event.preventDefault();
return;
}
if (this.isMultipleSelection() && this.isSelected(dateMeta)) {
this.value = this.value.filter((date, i) => {
return !this.isDateEquals(date, dateMeta);
});
if (this.value.length === 0) {
this.value = null;
}
this.updateModel(this.value);
}
else {
if (this.shouldSelectDate(dateMeta)) {
this.selectDate(dateMeta);
}
}
if (this.isSingleSelection() && this.hideOnDateTimeSelect) {
setTimeout(() => {
event.preventDefault();
this.hideOverlay();
if (this.mask) {
this.disableModality();
}
this.cd.markForCheck();
}, 150);
}
this.updateInputfield();
event.preventDefault();
}
shouldSelectDate(dateMeta) {
if (this.isMultipleSelection())
return this.maxDateCount != null ? this.maxDateCount > (this.value ? this.value.length : 0) : true;
else
return true;
}
onMonthSelect(event, index) {
if (this.view === 'month') {
this.onDateSelect(event, { year: this.currentYear, month: index, day: 1, selectable: true });
}
else {
this.currentMonth = index;
this.currentView = 'date';
this.createMonths(this.currentMonth, this.currentYear);
this.cd.markForCheck();
this.onMonthChange.emit({ month: this.currentMonth + 1, year: this.currentYear });
}
}
onYearSelect(event, year) {
if (this.view === 'year') {
this.onDateSelect(event, { year: year, month: 0, day: 1, selectable: true });
}
else {
this.currentYear = year;
this.currentView = 'month';
this.onYearChange.emit({ month: this.currentMonth + 1, year: this.currentYear });
}
}
updateInputfield() {
let formattedValue = '';
if (this.value) {
if (this.isSingleSelection()) {
formattedValue = this.formatDateTime(this.value);
}
else if (this.isMultipleSelection()) {
for (let i = 0; i < this.value.length; i++) {
let dateAsString = this.formatDateTime(this.value[i]);
formattedValue += dateAsString;
if (i !== (this.value.length - 1)) {
formattedValue += this.multipleSeparator + ' ';
}
}
}
else if (this.isRangeSelection()) {
if (this.value && this.value.length) {
let startDate = this.value[0];
let endDate = this.value[1];
formattedValue = this.formatDateTime(startDate);
if (endDate) {
formattedValue += ' ' + this.rangeSeparator + ' ' + this.formatDateTime(endDate);
}
}
}
}
this.inputFieldValue = formattedValue;
this.updateFilledState();
if (this.inputfieldViewChild && this.inputfieldViewChild.nativeElement) {
this.inputfieldViewChild.nativeElement.value = this.inputFieldValue;
}
}
formatDateTime(date) {
let formattedValue = this.keepInvalid ? date : null;
if (this.isValidDate(date)) {
if (this.timeOnly) {
formattedValue = this.formatTime(date);
}
else {
formattedValue = this.formatDate(date, this.getDateFormat());
if (this.showTime) {
formattedValue += ' ' + this.formatTime(date);
}
}
}
return formattedValue;
}
setCurrentHourPM(hours) {
if (this.hourFormat == '12') {
this.pm = hours > 11;
if (hours >= 12) {
this.currentHour = (hours == 12) ? 12 : hours - 12;
}
else {
this.currentHour = (hours == 0) ? 12 : hours;
}
}
else {
this.currentHour = hours;
}
}
selectDate(dateMeta) {
let date = new Date(dateMeta.year, dateMeta.month, dateMeta.day);
if (this.showTime) {
if (this.hourFormat == '12') {
if (this.currentHour === 12)
date.setHours(this.pm ? 12 : 0);
else
date.setHours(this.pm ? this.currentHour + 12 : this.currentHour);
}
else {
date.setHours(this.currentHour);
}
date.setMinutes(this.currentMinute);
date.setSeconds(this.currentSecond);
}
if (this.minDate && this.minDate > date) {
date = this.minDate;
this.setCurrentHourPM(date.getHours());
this.currentMinute = date.getMinutes();
this.currentSecond = date.getSeconds();
}
if (this.maxDate && this.maxDate < date) {
date = this.maxDate;
this.setCurrentHourPM(date.getHours());
this.currentMinute = date.getMinutes();
this.currentSecond = date.getSeconds();
}
if (this.isSingleSelection()) {
this.updateModel(date);
}
else if (this.isMultipleSelection()) {
this.updateModel(this.value ? [...this.value, date] : [date]);
}
else if (this.isRangeSelection()) {
if (this.value && this.value.length) {
let startDate = this.value[0];
let endDate = this.value[1];
if (!endDate && date.getTime() >= startDate.getTime()) {
endDate = date;
}
else {
startDate = date;
endDate = null;
}
this.updateModel([startDate, endDate]);
}
else {
this.updateModel([date, null]);
}
}
this.onSelect.emit(date);
}
updateModel(value) {
this.value = value;
if (this.dataType == 'date') {
this.onModelChange(this.value);
}
else if (this.dataType == 'string') {
if (this.isSingleSelection()) {
this.onModelChange(this.formatDateTime(this.value));
}
else {
let stringArrValue = null;
if (this.value) {
stringArrValue = this.value.map(date => this.formatDateTime(date));
}
this.onModelChange(stringArrValue);
}
}
}
getFirstDayOfMonthIndex(month, year) {
let day = new Date();
day.setDate(1);
day.setMonth(month);
day.setFullYear(year);
let dayIndex = day.getDay() + this.getSundayIndex();
return dayIndex >= 7 ? dayIndex - 7 : dayIndex;
}
getDaysCountInMonth(month, year) {
return 32 - this.daylightSavingAdjust(new Date(year, month, 32)).getDate();
}
getDaysCountInPrevMonth(month, year) {
let prev = this.getPreviousMonthAndYear(month, year);
return this.getDaysCountInMonth(prev.month, prev.year);
}
getPreviousMonthAndYear(month, year) {
let m, y;
if (month === 0) {
m = 11;
y = year - 1;
}
else {
m = month - 1;
y = year;
}
return { 'month': m, 'year': y };
}
getNextMonthAndYear(month, year) {
let m, y;
if (month === 11) {
m = 0;
y = year + 1;
}
else {
m = month + 1;
y = year;
}
return { 'month': m, 'year': y };
}
getSundayIndex() {
let firstDayOfWeek = this.getFirstDateOfWeek();
return firstDayOfWeek > 0 ? 7 - firstDayOfWeek : 0;
}
isSelected(dateMeta) {
if (this.value) {
if (this.isSingleSelection()) {
return this.isDateEquals(this.value, dateMeta);
}
else if (this.isMultipleSelection()) {
let selected = false;
for (let date of this.value) {
selected = this.isDateEquals(date, dateMeta);
if (selected) {
break;
}
}
return selected;
}
else if (this.isRangeSelection()) {
if (this.value[1])
return this.isDateEquals(this.value[0], dateMeta) || this.isDateEquals(this.value[1], dateMeta) || this.isDateBetween(this.value[0], this.value[1], dateMeta);
else
return this.isDateEquals(this.value[0], dateMeta);
}
}
else {
return false;
}
}
isComparable() {
return this.value != null && typeof this.value !== 'string';
}
isMonthSelected(month) {
if (this.isComparable()) {
let value = this.isRangeSelection() ? this.value[0] : this.value;
return !this.isMultipleSelection() ? (value.getMonth() === month && value.getFullYear() === this.currentYear) : false;
}
return false;
}
isYearSelected(year) {
if (this.isComparable()) {
let value = this.isRangeSelection() ? this.value[0] : this.value;
return !this.isMultipleSelection() ? (value.getFullYear() === year) : false;
}
return false;
}
isDateEquals(value, dateMeta) {
if (value && value instanceof Date)
return value.getDate() === dateMeta.day && value.getMonth() === dateMeta.month && value.getFullYear() === dateMeta.year;
else
return false;
}
isDateBetween(start, end, dateMeta) {
let between = false;
if (start && end) {
let date = new Date(dateMeta.year, dateMeta.month, dateMeta.day);
return start.getTime() <= date.getTime() && end.getTime() >= date.getTime();
}
return between;
}
isSingleSelection() {
return this.selectionMode === 'single';
}
isRangeSelection() {
return this.selectionMode === 'range';
}
isMultipleSelection() {
return this.selectionMode === 'multiple';
}
isToday(today, day, month, year) {
return today.getDate() === day && today.getMonth() === month && today.getFullYear() === year;
}
isSelectable(day, month, year, otherMonth) {
let validMin = true;
let validMax = true;
let validDate = true;
let validDay = true;
if (otherMonth && !this.selectOtherMonths) {
return false;
}
if (this.minDate) {
if (this.minDate.getFullYear() > year) {
validMin = false;
}
else if (this.minDate.getFullYear() === year) {
if (this.minDate.getMonth() > month) {
validMin = false;
}
else if (this.minDate.getMonth() === month) {
if (this.minDate.getDate() > day) {
validMin = false;
}
}
}
}
if (this.maxDate) {
if (this.maxDate.getFullYear() < year) {
validMax = false;
}
else if (this.maxDate.getFullYear() === year) {
if (this.maxDate.getMonth() < month) {
validMax = false;
}
else if (this.maxDate.getMonth() === month) {
if (this.maxDate.getDate() < day) {
validMax = false;
}
}
}
}
if (this.disabledDates) {
validDate = !this.isDateDisabled(day, month, year);
}
if (this.disabledDays) {
validDay = !this.isDayDisabled(day, month, year);
}
return validMin && validMax && validDate && validDay;
}
isDateDisabled(day, month, year) {
if (this.disabledDates) {
for (let disabledDate of this.disabledDates) {
if (disabledDate.getFullYear() === year && disabledDate.getMonth() === month && disabledDate.getDate() === day) {
return true;
}
}
}
return false;
}
isDayDisabled(day, month, year) {
if (this.disabledDays) {
let weekday = new Date(year, month, day);
let weekdayNumber = weekday.getDay();
return this.disabledDays.indexOf(weekdayNumber) !== -1;
}
return false;
}
onInputFocus(event) {
this.focus = true;
if (this.showOnFocus) {
this.showOverlay();
}
this.onFocus.emit(event);
}
onInputClick() {
if (this.showOnFocus && !this.overlayVisible) {
this.showOverlay();
}
}
onInputBlur(event) {
this.focus = false;
this.onBlur.emit(event);
if (!this.keepInvalid) {
this.updateInputfield();
}
this.onModelTouched();
}
onButtonClick(event, inputfield) {
if (!this.overlayVisible) {
inputfield.focus();
this.showOverlay();
}
else {
this.hideOverlay();
}
}
onOverlayClick(event) {
this.overlayService.add({
originalEvent: event,
target: this.el.nativeElement
});
}
getMonthName(index) {
return this.config.getTranslation('monthNames')[index];
}
getYear(month) {
return this.currentView === 'month' ? this.currentYear : month.year;
}
switchViewButtonDisabled() {
return this.numberOfMonths > 1 || this.disabled;
}
onPrevButtonClick(event) {
this.navigationState = { backward: true, button: true };
this.navBackward(event);
}
onNextButtonClick(event) {
this.navigationState = { backward: false, button: true };
this.navForward(event);
}
onContainerButtonKeydown(event) {
switch (event.which) {
//tab
case 9:
if (!this.inline) {
this.trapFocus(event);
}
break;
//escape
case 27:
this.overlayVisible = false;
event.preventDefault();
break;
default:
//Noop
break;
}
}
onInputKeydown(event) {
this.isKeydown = true;
if (event.keyCode === 40 && this.contentViewChild) {
this.trapFocus(event);
}
else if (event.keyCode === 27) {
if (this.overlayVisible) {
this.overlayVisible = false;
event.preventDefault();
}
}
else if (event.keyCode === 13) {
if (this.overlayVisible) {
this.overlayVisible = false;
event.preventDefault();
}
}
else if (event.keyCode === 9 && this.contentViewChild) {
DomHandler.getFocusableElements(this.contentViewChild.nativeElement).forEach(el => el.tabIndex = '-1');
if (this.overlayVisible) {
this.overlayVisible = false;
}
}
}
onDateCellKeydown(event, date, groupIndex) {
const cellContent = event.currentTarget;
const cell = cellContent.parentElement;
switch (event.which) {
//down arrow
case 40: {
cellContent.tabIndex = '-1';
let cellIndex = DomHandler.index(cell);
let nextRow = cell.parentElement.nextElementSibling;
if (nextRow) {
let focusCell = nextRow.children[cellIndex].children[0];
if (DomHandler.hasClass(focusCell, 'p-disabled')) {
this.navigationState = { backward: false };
this.navForward(event);
}
else {
nextRow.children[cellIndex].children[0].tabIndex = '0';
nextRow.children[cellIndex].children[0].focus();
}
}
else {
this.navigationState = { backward: false };
this.navForward(event);
}
event.preventDefault();
break;
}
//up arrow
case 38: {
cellContent.tabIndex = '-1';
let cellIndex = DomHandler.index(cell);
let prevRow = cell.parentElement.previousElementSibling;
if (prevRow) {
let focusCell = prevRow.children[cellIndex].children[0];
if (DomHandler.hasClass(focusCell, 'p-disabled')) {
this.navigationState = { backward: true };
this.navBackward(event);
}
else {
focusCell.tabIndex = '0';
focusCell.focus();
}
}
else {
this.navigationState = { backward: true };
this.navBackward(event);
}
event.preventDefault();
break;
}
//left arrow
case 37: {
cellContent.tabIndex = '-1';
let prevCell = cell.previousElementSibling;
if (prevCell) {
let focusCell = prevCell.children[0];
if (DomHandler.hasClass(focusCell, 'p-disabled') || DomHandler.hasClass(focusCell.parentElement, 'p-datepicker-weeknumber')) {
this.navigateToMonth(true, groupIndex);
}
else {
focusCell.tabIndex = '0';
focusCell.focus();
}
}
else {
this.navigateToMonth(true, groupIndex);
}
event.preventDefault();
break;
}
//right arrow
case 39: {
cellContent.tabIndex = '-1';
let nextCell = cell.nextElementSibling;
if (nextCell) {
let focusCell = nextCell.children[0];
if (DomHandler.hasClass(focusCell, 'p-disabled')) {
this.navigateToMonth(false, groupIndex);
}
else {
focusCell.tabIndex = '0';
focusCell.focus();
}
}
else {
this.navigateToMonth(false, groupIndex);
}
event.preventDefault();
break;
}
//enter
//space
case 13:
case 32: {
this.onDateSelect(event, date);
event.preventDefault();
break;
}
//escape
case 27: {
this.overlayVisible = false;
event.preventDefault();
break;
}
//tab
case 9: {
if (!this.inline) {
this.trapFocus(event);
}
break;
}
default:
//no op
break;
}
}
onMonthCellKeydown(event, index) {
const cell = event.currentTarget;
switch (event.which) {
//arrows
case 38:
case 40: {
cell.tabIndex = '-1';
var cells = cell.parentElement.children;
var cellIndex = DomHandler.index(cell);
let nextCell = cells[event.which === 40 ? cellIndex + 3 : cellIndex - 3];
if (nextCell) {
nextCell.tabIndex = '0';
nextCell.focus();
}
event.preventDefault();
break;
}
//left arrow
case 37: {
cell.tabIndex = '-1';
let prevCell = cell.previousElementSibling;
if (prevCell) {
prevCell.tabIndex = '0';
prevCell.focus();
}
else {
this.navigationState = { backward: true };
this.navBackward(event);
}
event.preventDefault();
break;
}
//right arrow
case 39: {
cell.tabIndex = '-1';
let nextCell = cell.nextElementSibling;
if (nextCell) {
nextCell.tabIndex = '0';
nextCell.focus();
}
else {
this.navigationState = { backward: false };
this.navForward(event);
}
event.preventDefault();
break;
}
//enter
case 13: {
this.onMonthSelect(event, index);
event.preventDefault();
break;
}
//enter
//space
case 13:
case 32: {
this.overlayVisible = false;
event.preventDefault();
break;
}
//escape
case 27: {
this.overlayVisible = false;
event.preventDefault();
break;
}
//tab
case 9: {
if (!this.inline) {
this.trapFocus(event);
}
break;
}
default:
//no op
break;
}
}
onYearCellKeydown(event, index) {
const cell = event.currentTarget;
switch (event.which) {
//arrows
case 38:
case 40: {
cell.tabIndex = '-1';
var cells = cell.parentElement.children;
var cellIndex = DomHandler.index(cell);
let nextCell = cells[event.which === 40 ? cellIndex + 2 : cellIndex - 2];
if (nextCell) {
nextCell.tabIndex = '0';
nextCell.focus();
}
event.preventDefault();
break;
}
//left arrow
case 37: {
cell.tabIndex = '-1';
let prevCell = cell.previousElementSibling;
if (prevCell) {
prevCell.tabIndex = '0';
prevCell.focus();
}
else {
this.navigationState = { backward: true };
this.navBackward(event);
}
event.preventDefault();
break;
}
//right arrow
case 39: {
cell.tabIndex = '-1';
let nextCell = cell.nextElementSibling;
if (nextCell) {
nextCell.tabIndex = '0';
nextCell.focus();
}
else {
this.navigationState = { backward: false };
this.navForward(event);
}
event.preventDefault();
break;
}
//enter
//space
case 13:
case 32: {
this.onYearSelect(event, index);
event.preventDefault();
break;
}
//escape
case 27: {
this.overlayVisible = false;
event.preventDefault();
break;
}
//tab
case 9: {
this.trapFocus(event);
break;
}
default:
//no op
break;
}
}
navigateToMonth(prev, groupIndex) {
if (prev) {
if (this.numberOfMonths === 1 || (groupIndex === 0)) {
this.navigationState = { backward: true };
this.navBackward(event);
}
else {
let prevMonthContainer = this.contentViewChild.nativeElement.children[groupIndex - 1];
let cells = DomHandler.find(prevMonthContainer, '.p-datepicker-calendar td span:not(.p-disabled):not(.p-ink)');
let focusCell = cells[cells.length - 1];
focusCell.tabIndex = '0';
focusCell.focus();
}
}
else {
if (this.numberOfMonths === 1 || (groupIndex === this.numberOfMonths - 1)) {
this.navigationState = { backward: false };
this.navForward(event);
}
else {
let nextMonthContainer = this.contentViewChild.nativeElement.children[groupIndex + 1];
let focusCell = DomHandler.findSingle(nextMonthContainer, '.p-datepicker-calendar td span:not(.p-disabled):not(.p-ink)');
focusCell.tabIndex = '0';
focusCell.focus();
}
}
}
updateFocus() {
let cell;
if (this.navigationState) {
if (this.navigationState.button) {
this.initFocusableCell();
if (this.navigationState.backward)
DomHandler.findSingle(this.contentViewChild.nativeElement, '.p-datepicker-prev').focus();
else
DomHandler.findSingle(this.contentViewChild.nativeElement, '.p-datepicker-next').focus();
}
else {
if (this.navigationState.backward) {
let cells;
if (this.currentView === 'month') {
cells = DomHandler.find(this.contentViewChild.nativeElement, '.p-monthpicker .p-monthpicker-month:not(.p-disabled)');
}
else if (this.currentView === 'year') {
cells = DomHandler.find(this.contentViewChild.nativeElement, '.p-yearpicker .p-yearpicker-year:not(.p-disabled)');
}
else {
cells = DomHandler.find(this.contentViewChild.nativeElement, '.p-datepicker-calendar td span:not(.p-disabled):not(.p-ink)');
}
if (cells && cells.length > 0) {
cell = cells[cells.length - 1];
}
}
else {
if (this.currentView === 'month') {
cell = DomHandler.findSingle(this.contentViewChild.nativeElement, '.p-monthpicker .p-monthpicker-month:not(.p-disabled)');
}
else if (this.currentView === 'year') {
cell = DomHandler.findSingle(this.contentViewChild.nativeElement, '.p-yearpicker .p-yearpicker-year:not(.p-disabled)');
}
else {
cell = DomHandler.findSingle(this.contentViewChild.nativeElement, '.p-datepicker-calendar td span:not(.p-disabled):not(.p-ink)');
}
}
if (cell) {
cell.tabIndex = '0';
cell.focus();
}
}
this.navigationState = null;
}
else {
this.initFocusableCell();
}
}
initFocusableCell() {
let cell;
if (this.currentView === 'month') {
let cells = DomHandler.find(this.contentViewChild.nativeElement, '.p-monthpicker .p-monthpicker-month:not(.p-disabled)');
let selectedCell = DomHandler.findSingle(this.contentViewChild.nativeElement, '.p-monthpicker .p-monthpicker-month.p-highlight');
cells.forEach(cell => cell.tabIndex = -1);
cell = selectedCell || cells[0];
if (cells.length === 0) {
let disabledCells = DomHandler.find(this.contentViewChild.nativeElement, '.p-monthpicker .p-monthpicker-month.p-disabled[tabindex = "0"]');
disabledCells.forEach(cell => cell.tabIndex = -1);
}
}
else if (this.currentView === 'year') {
let cells = DomHandler.find(this.contentViewChild.nativeElement, '.p-yearpicker .p-yearpicker-year:not(.p-disabled)');
let selectedCell = DomHandler.findSingle(this.contentViewChild.nativeElement, '.p-yearpicker .p-yearpicker-year.p-highlight');
cells.forEach(cell => cell.tabIndex = -1);
cell = selectedCell || cells[0];
if (cells.length === 0) {
let disabledCells = DomHandler.find(this.contentViewChild.nativeElement, '.p-yearpicker .p-yearpicker-year.p-disabled[tabindex = "0"]');
disabledCells.forEach(cell => cell.tabIndex = -1);
}
}
else {
cell = DomHandler.findSingle(this.contentViewChild.nativeElement, 'span.p-highlight');
if (!cell) {
let todayCell = DomHandler.findSingle(this.contentViewChild.nativeElement, 'td.p-datepicker-today span:not(.p-disabled):not(.p-ink)');
if (todayCell)
cell = todayCell;
else
cell = DomHandler.findSingle(this.contentViewChild.nativeElement, '.p-datepicker-calendar td span:not(.p-disabled):not(.p-ink)');
}
}
if (cell) {
cell.tabIndex = '0';
if (!this.preventFocus && (!this.navigationState || !this.navigationState.button)) {
setTimeout(() => {
cell.focus();
}, 1);
}
this.preventFocus = false;
}
}
trapFocus(event) {
let focusableElements = DomHandler.getFocusableElements(this.contentViewChild.nativeElement);
if (focusableElements && focusableElements.length > 0) {
if (!focusableElements[0].ownerDocument.activeElement) {
focusableElements[0].focus();
}
else {
let focusedIndex = focusableElements.indexOf(focusableElements[0].ownerDocument.activeElement);
if (event.shiftKey) {
if (focusedIndex == -1 || focusedIndex === 0) {
if (this.focusTrap) {
focusableElements[focusableElements.length - 1].focus();
}
else {
if (focusedIndex === -1)
return this.hideOverlay();
else if (focusedIndex === 0)
return;
}
}
else {
focusableElements[focusedIndex - 1].focus();
}
}
else {
if (focusedIndex == -1 || focusedIndex === (focusableElements.length - 1)) {
if (!this.focusTrap && focusedIndex != -1)
return this.hideOverlay();
else
focusableElements[0].focus();
}
else {
focusableElements[focusedIndex + 1].focus();
}
}
}
}
event.preventDefault();
}
onMonthDropdownChange(m) {
this.currentMonth = parseInt(m);
this.onMonthChange.emit({ month: this.currentMonth + 1, year: this.currentYear });
this.createMonths(this.currentMonth, this.currentYear);
}
onYearDropdownChange(y) {
this.currentYear = parseInt(y);
this.onYearChange.emit({ month: this.currentMonth + 1, year: this.currentYear });
this.createMonths(this.currentMonth, this.currentYear);
}
validateTime(hour, minute, second, pm) {
let value = this.value;
const convertedHour = this.convertTo24Hour(hour, pm);
if (this.isRangeSelection()) {
value = this.value[1] || this.value[0];
}
if (this.isMultipleSelection()) {
value = this.value[this.value.length - 1];
}
const valueDateString = value ? value.toDateString() : null;
if (this.minDate && valueDateString && this.minDate.toDateS