416 lines
19 KiB
JavaScript
416 lines
19 KiB
JavaScript
/*global Calendar, findPosX, findPosY, get_format, gettext, gettext_noop, interpolate, ngettext, quickElement*/
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// Inserts shortcut buttons after all of the following:
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// <input type="text" class="vDateField">
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// <input type="text" class="vTimeField">
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'use strict';
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{
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const DateTimeShortcuts = {
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calendars: [],
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calendarInputs: [],
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clockInputs: [],
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clockHours: {
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default_: [
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[gettext_noop('Now'), -1],
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[gettext_noop('Midnight'), 0],
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[gettext_noop('6 a.m.'), 6],
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[gettext_noop('Noon'), 12],
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[gettext_noop('6 p.m.'), 18]
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]
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},
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dismissClockFunc: [],
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dismissCalendarFunc: [],
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calendarDivName1: 'calendarbox', // name of calendar <div> that gets toggled
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calendarDivName2: 'calendarin', // name of <div> that contains calendar
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calendarLinkName: 'calendarlink', // name of the link that is used to toggle
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clockDivName: 'clockbox', // name of clock <div> that gets toggled
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clockLinkName: 'clocklink', // name of the link that is used to toggle
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shortCutsClass: 'datetimeshortcuts', // class of the clock and cal shortcuts
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timezoneWarningClass: 'timezonewarning', // class of the warning for timezone mismatch
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timezoneOffset: 0,
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init: function() {
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const serverOffset = document.body.dataset.adminUtcOffset;
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if (serverOffset) {
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const localOffset = new Date().getTimezoneOffset() * -60;
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DateTimeShortcuts.timezoneOffset = localOffset - serverOffset;
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}
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for (const inp of document.getElementsByTagName('input')) {
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if (inp.type === 'text' && inp.classList.contains('vTimeField')) {
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DateTimeShortcuts.addClock(inp);
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DateTimeShortcuts.addTimezoneWarning(inp);
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}
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else if (inp.type === 'text' && inp.classList.contains('vDateField')) {
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DateTimeShortcuts.addCalendar(inp);
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DateTimeShortcuts.addTimezoneWarning(inp);
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}
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}
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},
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// Return the current time while accounting for the server timezone.
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now: function() {
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const serverOffset = document.body.dataset.adminUtcOffset;
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if (serverOffset) {
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const localNow = new Date();
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const localOffset = localNow.getTimezoneOffset() * -60;
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localNow.setTime(localNow.getTime() + 1000 * (serverOffset - localOffset));
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return localNow;
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} else {
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return new Date();
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}
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},
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// Add a warning when the time zone in the browser and backend do not match.
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addTimezoneWarning: function(inp) {
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const warningClass = DateTimeShortcuts.timezoneWarningClass;
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let timezoneOffset = DateTimeShortcuts.timezoneOffset / 3600;
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// Only warn if there is a time zone mismatch.
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if (!timezoneOffset) {
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return;
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}
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// Check if warning is already there.
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if (inp.parentNode.querySelectorAll('.' + warningClass).length) {
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return;
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}
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let message;
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if (timezoneOffset > 0) {
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message = ngettext(
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'Note: You are %s hour ahead of server time.',
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'Note: You are %s hours ahead of server time.',
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timezoneOffset
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);
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}
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else {
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timezoneOffset *= -1;
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message = ngettext(
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'Note: You are %s hour behind server time.',
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'Note: You are %s hours behind server time.',
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timezoneOffset
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);
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}
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message = interpolate(message, [timezoneOffset]);
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const warning = document.createElement('span');
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warning.className = warningClass;
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warning.textContent = message;
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inp.parentNode.appendChild(document.createElement('br'));
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inp.parentNode.appendChild(warning);
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},
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// Add clock widget to a given field
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addClock: function(inp) {
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const num = DateTimeShortcuts.clockInputs.length;
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DateTimeShortcuts.clockInputs[num] = inp;
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DateTimeShortcuts.dismissClockFunc[num] = function() { DateTimeShortcuts.dismissClock(num); return true; };
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// Shortcut links (clock icon and "Now" link)
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const shortcuts_span = document.createElement('span');
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shortcuts_span.className = DateTimeShortcuts.shortCutsClass;
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inp.parentNode.insertBefore(shortcuts_span, inp.nextSibling);
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const now_link = document.createElement('a');
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now_link.href = "#";
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now_link.textContent = gettext('Now');
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now_link.addEventListener('click', function(e) {
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e.preventDefault();
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DateTimeShortcuts.handleClockQuicklink(num, -1);
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});
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const clock_link = document.createElement('a');
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clock_link.href = '#';
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clock_link.id = DateTimeShortcuts.clockLinkName + num;
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clock_link.addEventListener('click', function(e) {
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e.preventDefault();
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// avoid triggering the document click handler to dismiss the clock
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e.stopPropagation();
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DateTimeShortcuts.openClock(num);
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});
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quickElement(
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'span', clock_link, '',
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'class', 'clock-icon',
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'title', gettext('Choose a Time')
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);
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shortcuts_span.appendChild(document.createTextNode('\u00A0'));
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shortcuts_span.appendChild(now_link);
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shortcuts_span.appendChild(document.createTextNode('\u00A0|\u00A0'));
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shortcuts_span.appendChild(clock_link);
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// Create clock link div
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//
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// Markup looks like:
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// <div id="clockbox1" class="clockbox module">
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// <h2>Choose a time</h2>
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// <ul class="timelist">
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// <li><a href="#">Now</a></li>
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// <li><a href="#">Midnight</a></li>
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// <li><a href="#">6 a.m.</a></li>
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// <li><a href="#">Noon</a></li>
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// <li><a href="#">6 p.m.</a></li>
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// </ul>
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// <p class="calendar-cancel"><a href="#">Cancel</a></p>
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// </div>
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const clock_box = document.createElement('div');
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clock_box.style.display = 'none';
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clock_box.style.position = 'absolute';
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clock_box.className = 'clockbox module';
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clock_box.id = DateTimeShortcuts.clockDivName + num;
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document.body.appendChild(clock_box);
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clock_box.addEventListener('click', function(e) { e.stopPropagation(); });
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quickElement('h2', clock_box, gettext('Choose a time'));
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const time_list = quickElement('ul', clock_box);
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time_list.className = 'timelist';
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// The list of choices can be overridden in JavaScript like this:
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// DateTimeShortcuts.clockHours.name = [['3 a.m.', 3]];
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// where name is the name attribute of the <input>.
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const name = typeof DateTimeShortcuts.clockHours[inp.name] === 'undefined' ? 'default_' : inp.name;
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DateTimeShortcuts.clockHours[name].forEach(function(element) {
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const time_link = quickElement('a', quickElement('li', time_list), gettext(element[0]), 'href', '#');
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time_link.addEventListener('click', function(e) {
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e.preventDefault();
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DateTimeShortcuts.handleClockQuicklink(num, element[1]);
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});
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});
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const cancel_p = quickElement('p', clock_box);
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cancel_p.className = 'calendar-cancel';
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const cancel_link = quickElement('a', cancel_p, gettext('Cancel'), 'href', '#');
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cancel_link.addEventListener('click', function(e) {
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e.preventDefault();
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DateTimeShortcuts.dismissClock(num);
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});
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document.addEventListener('keyup', function(event) {
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if (event.which === 27) {
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// ESC key closes popup
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DateTimeShortcuts.dismissClock(num);
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event.preventDefault();
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}
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});
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},
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openClock: function(num) {
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const clock_box = document.getElementById(DateTimeShortcuts.clockDivName + num);
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const clock_link = document.getElementById(DateTimeShortcuts.clockLinkName + num);
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// Recalculate the clockbox position
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// is it left-to-right or right-to-left layout ?
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if (window.getComputedStyle(document.body).direction !== 'rtl') {
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clock_box.style.left = findPosX(clock_link) + 17 + 'px';
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}
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else {
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// since style's width is in em, it'd be tough to calculate
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// px value of it. let's use an estimated px for now
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clock_box.style.left = findPosX(clock_link) - 110 + 'px';
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}
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clock_box.style.top = Math.max(0, findPosY(clock_link) - 30) + 'px';
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// Show the clock box
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clock_box.style.display = 'block';
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document.addEventListener('click', DateTimeShortcuts.dismissClockFunc[num]);
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},
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dismissClock: function(num) {
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document.getElementById(DateTimeShortcuts.clockDivName + num).style.display = 'none';
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document.removeEventListener('click', DateTimeShortcuts.dismissClockFunc[num]);
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},
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handleClockQuicklink: function(num, val) {
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let d;
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if (val === -1) {
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d = DateTimeShortcuts.now();
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}
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else {
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d = new Date(1970, 1, 1, val, 0, 0, 0);
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}
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DateTimeShortcuts.clockInputs[num].value = d.strftime(get_format('TIME_INPUT_FORMATS')[0]);
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DateTimeShortcuts.clockInputs[num].focus();
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DateTimeShortcuts.dismissClock(num);
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},
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// Add calendar widget to a given field.
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addCalendar: function(inp) {
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const num = DateTimeShortcuts.calendars.length;
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DateTimeShortcuts.calendarInputs[num] = inp;
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DateTimeShortcuts.dismissCalendarFunc[num] = function() { DateTimeShortcuts.dismissCalendar(num); return true; };
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// Shortcut links (calendar icon and "Today" link)
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const shortcuts_span = document.createElement('span');
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shortcuts_span.className = DateTimeShortcuts.shortCutsClass;
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inp.parentNode.insertBefore(shortcuts_span, inp.nextSibling);
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const today_link = document.createElement('a');
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today_link.href = '#';
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today_link.appendChild(document.createTextNode(gettext('Today')));
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today_link.addEventListener('click', function(e) {
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e.preventDefault();
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DateTimeShortcuts.handleCalendarQuickLink(num, 0);
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});
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const cal_link = document.createElement('a');
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cal_link.href = '#';
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cal_link.id = DateTimeShortcuts.calendarLinkName + num;
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cal_link.addEventListener('click', function(e) {
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e.preventDefault();
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// avoid triggering the document click handler to dismiss the calendar
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e.stopPropagation();
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DateTimeShortcuts.openCalendar(num);
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});
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quickElement(
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'span', cal_link, '',
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'class', 'date-icon',
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'title', gettext('Choose a Date')
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);
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shortcuts_span.appendChild(document.createTextNode('\u00A0'));
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shortcuts_span.appendChild(today_link);
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shortcuts_span.appendChild(document.createTextNode('\u00A0|\u00A0'));
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shortcuts_span.appendChild(cal_link);
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// Create calendarbox div.
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//
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// Markup looks like:
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//
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// <div id="calendarbox3" class="calendarbox module">
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// <h2>
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// <a href="#" class="link-previous">‹</a>
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// <a href="#" class="link-next">›</a> February 2003
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// </h2>
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// <div class="calendar" id="calendarin3">
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// <!-- (cal) -->
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// </div>
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// <div class="calendar-shortcuts">
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// <a href="#">Yesterday</a> | <a href="#">Today</a> | <a href="#">Tomorrow</a>
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// </div>
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// <p class="calendar-cancel"><a href="#">Cancel</a></p>
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// </div>
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const cal_box = document.createElement('div');
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cal_box.style.display = 'none';
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cal_box.style.position = 'absolute';
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cal_box.className = 'calendarbox module';
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cal_box.id = DateTimeShortcuts.calendarDivName1 + num;
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document.body.appendChild(cal_box);
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cal_box.addEventListener('click', function(e) { e.stopPropagation(); });
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// next-prev links
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const cal_nav = quickElement('div', cal_box);
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const cal_nav_prev = quickElement('a', cal_nav, '<', 'href', '#');
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cal_nav_prev.className = 'calendarnav-previous';
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cal_nav_prev.addEventListener('click', function(e) {
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e.preventDefault();
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DateTimeShortcuts.drawPrev(num);
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});
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const cal_nav_next = quickElement('a', cal_nav, '>', 'href', '#');
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cal_nav_next.className = 'calendarnav-next';
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cal_nav_next.addEventListener('click', function(e) {
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e.preventDefault();
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DateTimeShortcuts.drawNext(num);
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});
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// main box
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const cal_main = quickElement('div', cal_box, '', 'id', DateTimeShortcuts.calendarDivName2 + num);
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cal_main.className = 'calendar';
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DateTimeShortcuts.calendars[num] = new Calendar(DateTimeShortcuts.calendarDivName2 + num, DateTimeShortcuts.handleCalendarCallback(num));
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DateTimeShortcuts.calendars[num].drawCurrent();
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// calendar shortcuts
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const shortcuts = quickElement('div', cal_box);
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shortcuts.className = 'calendar-shortcuts';
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let day_link = quickElement('a', shortcuts, gettext('Yesterday'), 'href', '#');
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day_link.addEventListener('click', function(e) {
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e.preventDefault();
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DateTimeShortcuts.handleCalendarQuickLink(num, -1);
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});
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shortcuts.appendChild(document.createTextNode('\u00A0|\u00A0'));
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day_link = quickElement('a', shortcuts, gettext('Today'), 'href', '#');
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day_link.addEventListener('click', function(e) {
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e.preventDefault();
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DateTimeShortcuts.handleCalendarQuickLink(num, 0);
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});
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shortcuts.appendChild(document.createTextNode('\u00A0|\u00A0'));
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day_link = quickElement('a', shortcuts, gettext('Tomorrow'), 'href', '#');
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day_link.addEventListener('click', function(e) {
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e.preventDefault();
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DateTimeShortcuts.handleCalendarQuickLink(num, +1);
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});
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// cancel bar
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const cancel_p = quickElement('p', cal_box);
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cancel_p.className = 'calendar-cancel';
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const cancel_link = quickElement('a', cancel_p, gettext('Cancel'), 'href', '#');
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cancel_link.addEventListener('click', function(e) {
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e.preventDefault();
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DateTimeShortcuts.dismissCalendar(num);
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});
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document.addEventListener('keyup', function(event) {
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if (event.which === 27) {
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// ESC key closes popup
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DateTimeShortcuts.dismissCalendar(num);
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event.preventDefault();
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}
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});
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},
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openCalendar: function(num) {
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const cal_box = document.getElementById(DateTimeShortcuts.calendarDivName1 + num);
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const cal_link = document.getElementById(DateTimeShortcuts.calendarLinkName + num);
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const inp = DateTimeShortcuts.calendarInputs[num];
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// Determine if the current value in the input has a valid date.
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// If so, draw the calendar with that date's year and month.
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if (inp.value) {
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const format = get_format('DATE_INPUT_FORMATS')[0];
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const selected = inp.value.strptime(format);
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const year = selected.getUTCFullYear();
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const month = selected.getUTCMonth() + 1;
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const re = /\d{4}/;
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if (re.test(year.toString()) && month >= 1 && month <= 12) {
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DateTimeShortcuts.calendars[num].drawDate(month, year, selected);
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}
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}
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// Recalculate the clockbox position
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// is it left-to-right or right-to-left layout ?
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if (window.getComputedStyle(document.body).direction !== 'rtl') {
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cal_box.style.left = findPosX(cal_link) + 17 + 'px';
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}
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else {
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// since style's width is in em, it'd be tough to calculate
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// px value of it. let's use an estimated px for now
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cal_box.style.left = findPosX(cal_link) - 180 + 'px';
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}
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cal_box.style.top = Math.max(0, findPosY(cal_link) - 75) + 'px';
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cal_box.style.display = 'block';
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document.addEventListener('click', DateTimeShortcuts.dismissCalendarFunc[num]);
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},
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dismissCalendar: function(num) {
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document.getElementById(DateTimeShortcuts.calendarDivName1 + num).style.display = 'none';
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document.removeEventListener('click', DateTimeShortcuts.dismissCalendarFunc[num]);
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},
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drawPrev: function(num) {
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DateTimeShortcuts.calendars[num].drawPreviousMonth();
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},
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drawNext: function(num) {
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DateTimeShortcuts.calendars[num].drawNextMonth();
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},
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handleCalendarCallback: function(num) {
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let format = get_format('DATE_INPUT_FORMATS')[0];
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// the format needs to be escaped a little
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format = format.replace('\\', '\\\\')
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.replace('\r', '\\r')
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.replace('\n', '\\n')
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.replace('\t', '\\t')
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.replace("'", "\\'");
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return function(y, m, d) {
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DateTimeShortcuts.calendarInputs[num].value = new Date(y, m - 1, d).strftime(format);
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DateTimeShortcuts.calendarInputs[num].focus();
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document.getElementById(DateTimeShortcuts.calendarDivName1 + num).style.display = 'none';
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};
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},
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handleCalendarQuickLink: function(num, offset) {
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const d = DateTimeShortcuts.now();
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d.setDate(d.getDate() + offset);
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DateTimeShortcuts.calendarInputs[num].value = d.strftime(get_format('DATE_INPUT_FORMATS')[0]);
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DateTimeShortcuts.calendarInputs[num].focus();
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DateTimeShortcuts.dismissCalendar(num);
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}
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};
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window.addEventListener('load', DateTimeShortcuts.init);
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window.DateTimeShortcuts = DateTimeShortcuts;
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}
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