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Improve date handling for the calendar widget

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luxick
2026-04-06 08:49:14 +02:00
parent 5c74c2e667
commit c1ffbc3f3a
2 changed files with 71 additions and 21 deletions
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63
js/calendar-widget.js
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@@ -51,19 +51,33 @@
function getCalendarStateKey(calendar) {
var baseNs = calendar.getAttribute('data-base-ns') || 'chronological';
return 'luxtools.calendar.month.' + baseNs;
return 'luxtools_calendar_month_' + baseNs.replace(/[^a-zA-Z0-9]/g, '_');
}
function shouldPersistCalendarMonth(calendar) {
return (calendar.getAttribute('data-luxtools-size') || 'large') === 'small';
}
function getCookieValue(name) {
var match = document.cookie.match('(^|;)\\s*' + name.replace(/[.*+?^${}()|[\]\\]/g, '\\$&') + '\\s*=\\s*([^;]+)');
return match ? decodeURIComponent(match[2]) : null;
}
function setCookie(name, value) {
var date = new Date();
date.setFullYear(date.getFullYear() + 1);
document.cookie = name + '=' + encodeURIComponent(value) + '; expires=' + date.toUTCString() + '; path=/; SameSite=Lax';
}
function deleteCookie(name) {
document.cookie = name + '=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/; SameSite=Lax';
}
function readSavedCalendarMonth(calendar) {
if (!shouldPersistCalendarMonth(calendar)) return null;
if (!window.localStorage) return null;
try {
var raw = window.localStorage.getItem(getCalendarStateKey(calendar));
var raw = getCookieValue(getCalendarStateKey(calendar));
if (!raw) return null;
var parsed = JSON.parse(raw);
@@ -79,31 +93,17 @@
function saveCalendarMonth(calendar) {
if (!shouldPersistCalendarMonth(calendar)) return;
if (!window.localStorage) return;
var year = parseInt(calendar.getAttribute('data-current-year') || '', 10);
var month = parseInt(calendar.getAttribute('data-current-month') || '', 10);
if (!year || month < 1 || month > 12) return;
try {
window.localStorage.setItem(getCalendarStateKey(calendar), JSON.stringify({
year: year,
month: month
}));
} catch (e) {
// ignore storage failures
}
setCookie(getCalendarStateKey(calendar), JSON.stringify({ year: year, month: month }));
}
function clearSavedCalendarMonth(calendar) {
if (!shouldPersistCalendarMonth(calendar)) return;
if (!window.localStorage) return;
try {
window.localStorage.removeItem(getCalendarStateKey(calendar));
} catch (e) {
// ignore storage failures
}
deleteCookie(getCalendarStateKey(calendar));
}
function fetchCalendarMonth(calendar, year, month) {
@@ -227,11 +227,22 @@
function restoreCalendarMonth(calendar) {
if (!shouldPersistCalendarMonth(calendar)) return;
var saved = readSavedCalendarMonth(calendar);
if (!saved) return;
var year = parseInt(calendar.getAttribute('data-current-year') || '', 10);
var month = parseInt(calendar.getAttribute('data-current-month') || '', 10);
if (!year || !month) return;
var saved = readSavedCalendarMonth(calendar);
if (!saved) {
var now = new Date();
var todayYear = now.getFullYear();
var todayMonth = now.getMonth() + 1;
if (year !== todayYear || month !== todayMonth) {
loadCalendarMonth(calendar, todayYear, todayMonth, false);
}
return;
}
if (saved.year === year && saved.month === month) return;
loadCalendarMonth(calendar, saved.year, saved.month, true);
@@ -258,7 +269,17 @@
navigateCalendarMonth(calendar, direction, true);
}
function updateClientDateCookie() {
var now = new Date();
setCookie('luxtools_client_month', JSON.stringify({
year: now.getFullYear(),
month: now.getMonth() + 1
}));
}
function initCalendarWidgets() {
updateClientDateCookie();
var calendars = document.querySelectorAll('div.luxtools-calendar[data-luxtools-calendar="1"]');
for (var i = 0; i < calendars.length; i++) {
syncCalendarToday(calendars[i]);