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lightpick.js
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lightpick.js
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/**
* @author: Rinat G. http://coding.kz
* @copyright: Copyright (c) 2019 Rinat G.
* @license: Licensed under the MIT license. See http://www.opensource.org/licenses/mit-license.php
*/
// Following the UMD template https://github.com/umdjs/umd/blob/master/templates/returnExportsGlobal.js
(function(root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Make globaly available as well
define(['moment'], function(moment) {
return factory(moment);
});
} else if (typeof module === 'object' && module.exports) {
// Node / Browserify
var moment =
typeof window != 'undefined' && typeof window.moment != 'undefined'
? window.moment
: require('moment');
module.exports = factory(moment);
} else {
// Browser globals
root.Lightpick = factory(root.moment);
}
})(this, function(moment) {
'use strict';
var document = window.document,
defaults = {
field: null,
secondField: null,
firstDay: 1,
parentEl: 'body',
lang: 'auto',
format: 'DD/MM/YYYY',
separator: ' - ',
numberOfMonths: 1,
numberOfColumns: 2,
singleDate: true,
autoclose: true,
repick: false,
startDate: null,
endDate: null,
minDate: null,
maxDate: null,
disableDates: null,
selectForward: false,
selectBackward: false,
minDays: null,
maxDays: null,
hoveringTooltip: true,
hideOnBodyClick: true,
footer: false,
disabledDatesInRange: true,
tooltipNights: false,
orientation: 'auto',
disableWeekends: false,
inline: false,
weekdayStyle: 'short',
dropdowns: {
years: {
min: 1900,
max: null
},
months: true
},
locale: {
buttons: {
prev: '←',
next: '→',
close: '×',
reset: 'Reset',
apply: 'Apply'
},
tooltip: {
one: 'day',
other: 'days'
},
tooltipOnDisabled: null,
pluralize: function(i, locale) {
if (typeof i === 'string') i = parseInt(i, 10);
if (i === 1 && 'one' in locale) return locale.one;
if ('other' in locale) return locale.other;
return '';
}
},
onSelect: null,
onSelectStart: null,
onSelectEnd: null,
onOpen: null,
onClose: null,
onError: null,
onMonthsChange: null,
onYearsChange: null
},
renderTopButtons = function(opts) {
return (
'<div class="lightpick__toolbar">' +
'' +
'<button type="button" class="lightpick__previous-action">' +
opts.locale.buttons.prev +
'</button>' +
'<button type="button" class="lightpick__next-action">' +
opts.locale.buttons.next +
'</button>' +
(!opts.autoclose && !opts.inline
? '<button type="button" class="lightpick__close-action">' +
opts.locale.buttons.close +
'</button>'
: '') +
'</div>'
);
},
weekdayName = function(opts, day, weekdayStyle) {
return new Date(1970, 0, day, 12, 0, 0, 0).toLocaleString(opts.lang, {
weekday: weekdayStyle || opts.weekdayStyle
});
},
renderDay = function(opts, date, dummy, extraClass) {
if (dummy) return '<div></div>';
var date = moment(date),
prevMonth = moment(date).subtract(1, 'month'),
nextMonth = moment(date).add(1, 'month');
var day = {
time: moment(date).valueOf(),
className: ['lightpick__day', 'is-available']
};
if (
extraClass instanceof Array ||
Object.prototype.toString.call(extraClass) === '[object Array]'
) {
extraClass = extraClass.filter(function(el) {
return (
[
'lightpick__day',
'is-available',
'is-previous-month',
'is-next-month'
].indexOf(el) >= 0
);
});
day.className = day.className.concat(extraClass);
} else {
day.className.push(extraClass);
}
if (opts.disableDates) {
for (var i = 0; i < opts.disableDates.length; i++) {
if (
opts.disableDates[i] instanceof Array ||
Object.prototype.toString.call(opts.disableDates[i]) ===
'[object Array]'
) {
var _from = moment(opts.disableDates[i][0], opts.format),
_to = moment(opts.disableDates[i][1], opts.format);
if (
_from.isValid() &&
_to.isValid() &&
date.isBetween(_from, _to, 'day', '[]')
) {
day.className.push('is-disabled');
}
} else if (
moment(opts.disableDates[i], opts.format).isValid() &&
moment(opts.disableDates[i], opts.format).isSame(date, 'day')
) {
day.className.push('is-disabled');
}
if (day.className.indexOf('is-disabled') >= 0) {
if (
opts.locale.tooltipOnDisabled &&
(!opts.startDate ||
date.isAfter(opts.startDate) ||
(opts.startDate && opts.endDate))
) {
day.className.push('disabled-tooltip');
}
if (day.className.indexOf('is-start-date') >= 0) {
this.setStartDate(null);
this.setEndDate(null);
} else if (day.className.indexOf('is-end-date') >= 0) {
this.setEndDate(null);
}
}
}
}
if (opts.minDays && opts.startDate && !opts.endDate) {
if (
date.isBetween(
moment(opts.startDate).subtract(opts.minDays - 1, 'day'),
moment(opts.startDate).add(opts.minDays - 1, 'day'),
'day'
)
) {
day.className.push('is-disabled');
if (opts.selectForward && date.isSameOrAfter(opts.startDate)) {
day.className.push('is-forward-selected');
day.className.push('is-in-range');
}
}
}
if (opts.maxDays && opts.startDate && !opts.endDate) {
if (
date.isSameOrBefore(
moment(opts.startDate).subtract(opts.maxDays, 'day'),
'day'
)
) {
day.className.push('is-disabled');
} else if (
date.isSameOrAfter(
moment(opts.startDate).add(opts.maxDays, 'day'),
'day'
)
) {
day.className.push('is-disabled');
}
}
if (
opts.repick &&
(opts.minDays || opts.maxDays) &&
opts.startDate &&
opts.endDate
) {
var tempStartDate = moment(
opts.repickTrigger == opts.field ? opts.endDate : opts.startDate
);
if (opts.minDays) {
if (
date.isBetween(
moment(tempStartDate).subtract(opts.minDays - 1, 'day'),
moment(tempStartDate).add(opts.minDays - 1, 'day'),
'day'
)
) {
day.className.push('is-disabled');
}
}
if (opts.maxDays) {
if (
date.isSameOrBefore(
moment(tempStartDate).subtract(opts.maxDays, 'day'),
'day'
)
) {
day.className.push('is-disabled');
} else if (
date.isSameOrAfter(
moment(tempStartDate).add(opts.maxDays, 'day'),
'day'
)
) {
day.className.push('is-disabled');
}
}
}
if (date.isSame(new Date(), 'day')) {
day.className.push('is-today');
}
if (date.isSame(opts.startDate, 'day')) {
day.className.push('is-start-date');
}
if (date.isSame(opts.endDate, 'day')) {
day.className.push('is-end-date');
}
if (
opts.startDate &&
opts.endDate &&
date.isBetween(opts.startDate, opts.endDate, 'day', '[]')
) {
day.className.push('is-in-range');
}
if (moment().isSame(date, 'month')) {
} else if (prevMonth.isSame(date, 'month')) {
day.className.push('is-previous-month');
} else if (nextMonth.isSame(date, 'month')) {
day.className.push('is-next-month');
}
if (opts.minDate && date.isBefore(opts.minDate, 'day')) {
day.className.push('is-disabled');
}
if (opts.maxDate && date.isAfter(opts.maxDate, 'day')) {
day.className.push('is-disabled');
}
if (
opts.selectForward &&
!opts.singleDate &&
opts.startDate &&
!opts.endDate &&
date.isBefore(opts.startDate, 'day')
) {
day.className.push('is-disabled');
}
if (
opts.selectBackward &&
!opts.singleDate &&
opts.startDate &&
!opts.endDate &&
date.isAfter(opts.startDate, 'day')
) {
day.className.push('is-disabled');
}
if (
opts.disableWeekends &&
(date.isoWeekday() == 6 || date.isoWeekday() == 7)
) {
day.className.push('is-disabled');
}
day.className = day.className.filter(function(value, index, self) {
return self.indexOf(value) === index;
});
if (
day.className.indexOf('is-disabled') >= 0 &&
day.className.indexOf('is-available') >= 0
) {
day.className.splice(day.className.indexOf('is-available'), 1);
}
var div = document.createElement('div');
div.className = day.className.join(' ');
div.innerHTML = date.get('date');
div.setAttribute('data-time', day.time);
return div.outerHTML;
},
renderMonthsList = function(date, opts) {
var d = moment(date),
select = document.createElement('select');
for (var idx = 0; idx < 12; idx++) {
d.set('month', idx);
var option = document.createElement('option');
option.value = d.toDate().getMonth();
option.text = d.toDate().toLocaleString(opts.lang, { month: 'long' });
if (idx === date.toDate().getMonth()) {
option.setAttribute('selected', 'selected');
}
select.appendChild(option);
}
select.className = 'lightpick__select lightpick__select-months';
// for text align to right
select.dir = 'rtl';
if (!opts.dropdowns || !opts.dropdowns.months) {
select.disabled = true;
}
return select.outerHTML;
},
renderYearsList = function(date, opts) {
var d = moment(date),
select = document.createElement('select'),
years =
opts.dropdowns && opts.dropdowns.years ? opts.dropdowns.years : null,
minYear = years && years.min ? years.min : 1900,
maxYear =
years && years.max
? years.max
: Number.parseInt(moment().format('YYYY'));
if (Number.parseInt(date.format('YYYY')) < minYear) {
minYear = Number.parseInt(date.format('YYYY'));
}
if (Number.parseInt(date.format('YYYY')) > maxYear) {
maxYear = Number.parseInt(date.format('YYYY'));
}
for (var idx = minYear; idx <= maxYear; idx++) {
d.set('year', idx);
var option = document.createElement('option');
option.value = d.toDate().getFullYear();
option.text = d.toDate().getFullYear();
if (idx === date.toDate().getFullYear()) {
option.setAttribute('selected', 'selected');
}
select.appendChild(option);
}
select.className = 'lightpick__select lightpick__select-years';
if (!opts.dropdowns || !opts.dropdowns.years) {
select.disabled = true;
}
return select.outerHTML;
},
renderCalendar = function(el, opts) {
var html = '',
monthDate = moment(opts.calendar[0]);
for (var i = 0; i < opts.numberOfMonths; i++) {
var day = moment(monthDate);
html += '<section class="lightpick__month">';
html += '<div class="lightpick__month-title-bar">';
html +=
'<div class="lightpick__month-title">' +
renderMonthsList(day, opts) +
renderYearsList(day, opts) +
'</div>';
if (opts.numberOfMonths === 1) {
html += renderTopButtons(opts, 'days');
}
html += '</div>'; // lightpick__month-title-bar
html += '<div class="lightpick__days-of-the-week">';
for (var w = opts.firstDay + 4; w < 7 + opts.firstDay + 4; ++w) {
html +=
'<div class="lightpick__day-of-the-week" title="' +
weekdayName(opts, w, 'long') +
'">' +
weekdayName(opts, w) +
'</div>';
}
html += '</div>'; // lightpick__days-of-the-week
html += '<div class="lightpick__days">';
if (day.isoWeekday() !== opts.firstDay) {
var prevDays =
day.isoWeekday() - opts.firstDay > 0
? day.isoWeekday() - opts.firstDay
: day.isoWeekday(),
prevMonth = moment(day).subtract(prevDays, 'day'),
daysInMonth = prevMonth.daysInMonth();
for (var d = prevMonth.get('date'); d <= daysInMonth; d++) {
html += renderDay(opts, prevMonth, i > 0, 'is-previous-month');
prevMonth.add(1, 'day');
}
}
var daysInMonth = day.daysInMonth(),
today = new Date();
for (var d = 0; d < daysInMonth; d++) {
html += renderDay(opts, day);
day.add(1, 'day');
}
var nextMonth = moment(day),
nextDays = 7 - nextMonth.isoWeekday() + opts.firstDay;
if (nextDays < 7) {
for (var d = nextMonth.get('date'); d <= nextDays; d++) {
html += renderDay(
opts,
nextMonth,
i < opts.numberOfMonths - 1,
'is-next-month'
);
nextMonth.add(1, 'day');
}
}
html += '</div>'; // lightpick__days
html += '</section>'; // lightpick__month
monthDate.add(1, 'month');
}
opts.calendar[1] = moment(monthDate);
el.querySelector('.lightpick__months').innerHTML = html;
},
updateDates = function(el, opts) {
var days = el.querySelectorAll('.lightpick__day');
[].forEach.call(days, function(day) {
day.outerHTML = renderDay(
opts,
parseInt(day.getAttribute('data-time')),
false,
day.className.split(' ')
);
});
checkDisabledDatesInRange(el, opts);
},
checkDisabledDatesInRange = function(el, opts) {
if (
opts.disabledDatesInRange ||
!opts.startDate ||
opts.endDate ||
!opts.disableDates
)
return;
var days = el.querySelectorAll('.lightpick__day'),
disabledArray = opts.disableDates.map(function(entry) {
return entry instanceof Array ||
Object.prototype.toString.call(entry) === '[object Array]'
? entry[0]
: entry;
}),
closestPrev = moment(
disabledArray
.filter(function(d) {
return moment(d).isBefore(opts.startDate);
})
.sort(function(a, b) {
return moment(b).isAfter(moment(a));
})[0]
),
closestNext = moment(
disabledArray
.filter(function(d) {
return moment(d).isAfter(opts.startDate);
})
.sort(function(a, b) {
return moment(a).isAfter(moment(b));
})[0]
);
[].forEach.call(days, function(dayCell) {
var day = moment(parseInt(dayCell.getAttribute('data-time')));
if (
(closestPrev &&
day.isBefore(closestPrev) &&
opts.startDate.isAfter(closestPrev)) ||
(closestNext &&
day.isAfter(closestNext) &&
closestNext.isAfter(opts.startDate))
) {
dayCell.classList.remove('is-available');
dayCell.classList.add('is-disabled');
}
});
},
Lightpick = function(options) {
var self = this,
opts = self.config(options);
self.el = document.createElement('section');
self.el.className =
'lightpick lightpick--' + opts.numberOfColumns + '-columns is-hidden';
if (opts.inline) {
self.el.className += ' lightpick--inlined';
}
var html =
'<div class="lightpick__inner">' +
(opts.numberOfMonths > 1 ? renderTopButtons(opts, 'days') : '') +
'<div class="lightpick__months"></div>' +
'<div class="lightpick__tooltip" style="visibility: hidden"></div>';
if (opts.footer) {
html += '<div class="lightpick__footer">';
if (opts.footer === true) {
html +=
'<button type="button" class="lightpick__reset-action">' +
opts.locale.buttons.reset +
'</button>';
html += '<div class="lightpick__footer-message"></div>';
html +=
'<button type="button" class="lightpick__apply-action">' +
opts.locale.buttons.apply +
'</button>';
} else {
html += opts.footer;
}
html += '</div>';
}
html += '</div>';
self.el.innerHTML = html;
if (opts.parentEl instanceof Node) {
opts.parentEl.appendChild(self.el);
} else if (opts.parentEl === 'body' && opts.inline) {
opts.field.parentNode.appendChild(self.el);
} else {
document.querySelector(opts.parentEl).appendChild(self.el);
}
self._onMouseDown = function(e) {
if (!self.isShowing) {
return;
}
e = e || window.event;
var target = e.target || e.srcElement;
if (!target) {
return;
}
e.stopPropagation();
if (!target.classList.contains('lightpick__select')) {
e.preventDefault();
}
var opts = self._opts;
if (
target.classList.contains('lightpick__day') &&
target.classList.contains('is-available')
) {
var day = moment(parseInt(target.getAttribute('data-time')));
if (
!opts.disabledDatesInRange &&
opts.disableDates &&
opts.startDate
) {
var start = day.isAfter(opts.startDate)
? moment(opts.startDate)
: moment(day),
end = day.isAfter(opts.startDate)
? moment(day)
: moment(opts.startDate),
isInvalidRange = opts.disableDates.filter(function(d) {
if (
d instanceof Array ||
Object.prototype.toString.call(d) === '[object Array]'
) {
var _from = moment(d[0]),
_to = moment(d[1]);
return (
_from.isValid() &&
_to.isValid() &&
(_from.isBetween(start, end, 'day', '[]') ||
_to.isBetween(start, end, 'day', '[]'))
);
}
return moment(d).isBetween(start, end, 'day', '[]');
});
if (isInvalidRange.length) {
self.setStartDate(null);
self.setEndDate(null);
target.dispatchEvent(new Event('mousedown'));
self.el.querySelector('.lightpick__tooltip').style.visibility =
'hidden';
updateDates(self.el, opts);
return;
}
}
if (
opts.singleDate ||
(!opts.startDate && !opts.endDate) ||
(opts.startDate && opts.endDate)
) {
if (opts.repick && opts.startDate && opts.endDate) {
if (opts.repickTrigger === opts.field) {
self.setStartDate(day);
target.classList.add('is-start-date');
} else {
self.setEndDate(day);
target.classList.add('is-end-date');
}
if (opts.startDate.isAfter(opts.endDate)) {
self.swapDate();
}
if (opts.autoclose) {
setTimeout(function() {
self.hide();
}, 100);
}
} else {
self.setStartDate(day);
self.setEndDate(null);
target.classList.add('is-start-date');
if (opts.singleDate && opts.autoclose) {
setTimeout(function() {
self.hide();
}, 100);
} else if (!opts.singleDate || opts.inline || !opts.autoclose) {
updateDates(self.el, opts);
}
}
} else if (opts.startDate && !opts.endDate) {
self.setEndDate(day);
if (opts.startDate.isAfter(opts.endDate)) {
self.swapDate();
}
target.classList.add('is-end-date');
if (opts.autoclose) {
setTimeout(function() {
self.hide();
}, 100);
} else {
updateDates(self.el, opts);
}
}
if (!opts.disabledDatesInRange) {
if (
self.el.querySelectorAll('.lightpick__day.is-available')
.length === 0
) {
self.setStartDate(null);
updateDates(self.el, opts);
if (opts.footer) {
if (typeof self._opts.onError === 'function') {
self._opts.onError.call(self, 'Invalid range');
} else {
var footerMessage = self.el.querySelector(
'.lightpick__footer-message'
);
if (footerMessage) {
footerMessage.innerHTML = opts.locale.not_allowed_range;
setTimeout(function() {
footerMessage.innerHTML = '';
}, 3000);
}
}
}
}
}
} else if (target.classList.contains('lightpick__previous-action')) {
self.prevMonth();
} else if (target.classList.contains('lightpick__next-action')) {
self.nextMonth();
} else if (
target.classList.contains('lightpick__close-action') ||
target.classList.contains('lightpick__apply-action')
) {
self.hide();
} else if (target.classList.contains('lightpick__reset-action')) {
self.reset();
}
};
self._onMouseEnter = function(e) {
if (!self.isShowing) {
return;
}
e = e || window.event;
var target = e.target || e.srcElement;
if (!target) {
return;
}
var opts = self._opts;
if (
target.classList.contains('lightpick__day') &&
target.classList.contains('disabled-tooltip') &&
opts.locale.tooltipOnDisabled
) {
self.showTooltip(target, opts.locale.tooltipOnDisabled);
return;
} else {
self.hideTooltip();
}
if (opts.singleDate || (!opts.startDate && !opts.endDate)) {
return;
}
if (
!target.classList.contains('lightpick__day') &&
!target.classList.contains('is-available')
) {
return;
}
if ((opts.startDate && !opts.endDate) || opts.repick) {
var hoverDate = moment(parseInt(target.getAttribute('data-time')));
if (!hoverDate.isValid()) {
return;
}
var startDate =
(opts.startDate && !opts.endDate) ||
(opts.repick && opts.repickTrigger === opts.secondField)
? opts.startDate
: opts.endDate;
var days = self.el.querySelectorAll('.lightpick__day');
[].forEach.call(days, function(day) {
var dt = moment(parseInt(day.getAttribute('data-time')));
day.classList.remove('is-flipped');
if (
dt.isValid() &&
dt.isSameOrAfter(startDate, 'day') &&
dt.isSameOrBefore(hoverDate, 'day')
) {
day.classList.add('is-in-range');
if (
opts.repickTrigger === opts.field &&
dt.isSameOrAfter(opts.endDate)
) {
day.classList.add('is-flipped');
}
} else if (
dt.isValid() &&
dt.isSameOrAfter(hoverDate, 'day') &&
dt.isSameOrBefore(startDate, 'day')
) {
day.classList.add('is-in-range');
if (
((opts.startDate && !opts.endDate) ||
opts.repickTrigger === opts.secondField) &&
dt.isSameOrBefore(opts.startDate)
) {
day.classList.add('is-flipped');
}
} else {
day.classList.remove('is-in-range');
}
if (
opts.startDate &&
opts.endDate &&
opts.repick &&
opts.repickTrigger === opts.field
) {
day.classList.remove('is-start-date');
} else {
day.classList.remove('is-end-date');
}
});
if (opts.hoveringTooltip) {
days = Math.abs(
hoverDate.isAfter(startDate)
? hoverDate.diff(startDate, 'day')
: startDate.diff(hoverDate, 'day')
);
if (!opts.tooltipNights) {
days += 1;
}
var tooltip = self.el.querySelector('.lightpick__tooltip');
if (days > 0 && !target.classList.contains('is-disabled')) {
var pluralText = '';
if (typeof opts.locale.pluralize === 'function') {
pluralText = opts.locale.pluralize.call(
self,
days,
opts.locale.tooltip
);
}
self.showTooltip(target, days + ' ' + pluralText);
} else {
self.hideTooltip();
}
}
if (
opts.startDate &&
opts.endDate &&
opts.repick &&
opts.repickTrigger === opts.field
) {
target.classList.add('is-start-date');
} else {
target.classList.add('is-end-date');
}
}
};
self._onChange = function(e) {
e = e || window.event;
var target = e.target || e.srcElement;
if (!target) {
return;
}
if (target.classList.contains('lightpick__select-months')) {
if (typeof self._opts.onMonthsChange === 'function') {
self._opts.onMonthsChange.call(this, target.value);
}
self.gotoMonth(target.value);
} else if (target.classList.contains('lightpick__select-years')) {
if (typeof self._opts.onYearsChange === 'function') {
self._opts.onYearsChange.call(this, target.value);
}
self.gotoYear(target.value);
}
};
self._onInputChange = function(e) {
var target = e.target || e.srcElement;
if (self._opts.singleDate) {
if (!self._opts.autoclose) {
self.gotoDate(opts.field.value);
}
}
self.syncFields();
if (!self.isShowing) {
self.show();
}
};
self._onInputFocus = function(e) {
var target = e.target || e.srcElement;
self.show(target);
};
self._onInputClick = function(e) {
var target = e.target || e.srcElement;
self.show(target);
};
self._onClick = function(e) {
e = e || window.event;
var target = e.target || e.srcElement,
parentEl = target;
if (!target) {
return;
}
do {
if (
(parentEl.classList && parentEl.classList.contains('lightpick')) ||
parentEl === opts.field ||
(opts.secondField && parentEl === opts.secondField)
) {
return;
}
} while ((parentEl = parentEl.parentNode));
if (
self.isShowing &&
opts.hideOnBodyClick &&
target !== opts.field &&
parentEl !== opts.field
) {
self.hide();
}
};
self.showTooltip = function(target, text) {