459 lines
16 KiB
JavaScript
459 lines
16 KiB
JavaScript
/* ─────────────────────────────────────────────────────────────────────────
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* components.js – client-side logic for htmx server-rendered components
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* ───────────────────────────────────────────────────────────────────────── */
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// ── Calendar ──────────────────────────────────────────────────────────────
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(function () {
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var MONTHS = [
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'January', 'February', 'March', 'April', 'May', 'June',
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'July', 'August', 'September', 'October', 'November', 'December'
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];
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function renderCalendar(root) {
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var view = root.dataset.view || 'days';
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var year = parseInt(root.dataset.year, 10);
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var month = parseInt(root.dataset.month, 10);
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var selD = parseInt(root.dataset.selDay, 10);
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var selM = parseInt(root.dataset.selMonth, 10);
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var selY = parseInt(root.dataset.selYear, 10);
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var labelBtn = root.querySelector('.cal-month-label');
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var grid = root.querySelector('.cal-grid');
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var dowRow = root.querySelector('.cal-dow-row');
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// ── Update header label based on view ──
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if (view === 'days') {
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labelBtn.textContent = MONTHS[month] + ' ' + year;
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} else if (view === 'months') {
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labelBtn.textContent = year;
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} else { // years
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var ds = Math.floor(year / 12) * 12;
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labelBtn.textContent = ds + ' – ' + (ds + 11);
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}
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// Show DOW row only in day view
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if (dowRow) dowRow.style.display = view === 'days' ? '' : 'none';
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grid.innerHTML = '';
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if (view === 'days') {
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grid.style.gridTemplateColumns = ''; // let CSS class (grid-cols-7) take over
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var firstDay = new Date(year, month, 1).getDay();
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var daysInMonth = new Date(year, month + 1, 0).getDate();
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for (var i = 0; i < firstDay; i++) {
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grid.appendChild(document.createElement('div'));
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}
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for (var d = 1; d <= daysInMonth; d++) {
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var btn = document.createElement('button');
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btn.type = 'button';
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btn.textContent = d;
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btn.className = 'cal-day';
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if (d === selD && month === selM && year === selY) {
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btn.classList.add('cal-day-selected');
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}
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btn.dataset.date = year + '-'
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+ String(month + 1).padStart(2, '0') + '-'
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+ String(d).padStart(2, '0');
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btn.addEventListener('click', (function (b, r) {
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return function () {
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var parts = b.dataset.date.split('-');
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r.dataset.selYear = parts[0];
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r.dataset.selMonth = parseInt(parts[1], 10) - 1;
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r.dataset.selDay = parseInt(parts[2], 10);
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r.querySelectorAll('.cal-day').forEach(function (el) {
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el.classList.remove('cal-day-selected');
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});
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b.classList.add('cal-day-selected');
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r.querySelector('.cal-hidden-input').value = b.dataset.date;
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r.dispatchEvent(new CustomEvent('calendarChange', {
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detail: { date: b.dataset.date },
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bubbles: true
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}));
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};
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})(btn, root));
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grid.appendChild(btn);
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}
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} else if (view === 'months') {
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grid.style.gridTemplateColumns = 'repeat(3, minmax(0, 1fr))';
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MONTHS.forEach(function (name, i) {
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var btn = document.createElement('button');
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btn.type = 'button';
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btn.textContent = name.slice(0, 3);
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btn.className = 'cal-view-btn' + (i === month ? ' cal-view-btn-selected' : '');
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btn.addEventListener('click', function () {
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root.dataset.month = i;
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root.dataset.view = 'days';
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renderCalendar(root);
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});
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grid.appendChild(btn);
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});
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} else { // years
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var decadeStart = Math.floor(year / 12) * 12;
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grid.style.gridTemplateColumns = 'repeat(3, minmax(0, 1fr))';
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for (var yi = 0; yi < 12; yi++) {
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(function (y) {
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var btn = document.createElement('button');
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btn.type = 'button';
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btn.textContent = y;
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btn.className = 'cal-view-btn' + (y === year ? ' cal-view-btn-selected' : '');
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btn.addEventListener('click', function () {
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root.dataset.year = y;
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root.dataset.view = 'months';
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renderCalendar(root);
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});
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grid.appendChild(btn);
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})(decadeStart + yi);
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}
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}
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}
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function initCalendar(root) {
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root.querySelector('.cal-prev').addEventListener('click', function () {
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var view = root.dataset.view || 'days';
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var m = parseInt(root.dataset.month, 10);
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var y = parseInt(root.dataset.year, 10);
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if (view === 'days') {
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if (m === 0) { m = 11; y--; } else { m--; }
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root.dataset.month = m;
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root.dataset.year = y;
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} else if (view === 'months') {
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root.dataset.year = y - 1;
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} else { // years
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root.dataset.year = Math.floor(y / 12) * 12 - 12;
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}
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renderCalendar(root);
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});
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root.querySelector('.cal-next').addEventListener('click', function () {
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var view = root.dataset.view || 'days';
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var m = parseInt(root.dataset.month, 10);
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var y = parseInt(root.dataset.year, 10);
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if (view === 'days') {
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if (m === 11) { m = 0; y++; } else { m++; }
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root.dataset.month = m;
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root.dataset.year = y;
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} else if (view === 'months') {
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root.dataset.year = y + 1;
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} else { // years
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root.dataset.year = Math.floor(y / 12) * 12 + 12;
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}
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renderCalendar(root);
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});
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root.querySelector('.cal-month-label').addEventListener('click', function () {
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var view = root.dataset.view || 'days';
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if (view === 'days') root.dataset.view = 'months';
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else if (view === 'months') root.dataset.view = 'years';
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// already at years — nothing deeper
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renderCalendar(root);
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});
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renderCalendar(root);
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}
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// Initialise all calendars on page load, and again after any htmx swap
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function initAll() {
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document.querySelectorAll('.calendar-root').forEach(initCalendar);
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}
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document.addEventListener('DOMContentLoaded', initAll);
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document.addEventListener('htmx:afterSwap', initAll);
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})();
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// ── CalendarRange ─────────────────────────────────────────────────────────
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(function () {
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var MONTHS = [
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'January', 'February', 'March', 'April', 'May', 'June',
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'July', 'August', 'September', 'October', 'November', 'December'
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];
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function cmpDate(a, b) { return a < b ? -1 : a > b ? 1 : 0; }
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function isBetween(d, start, end) {
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return cmpDate(d, start) > 0 && cmpDate(d, end) < 0;
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}
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function toDateStr(year, month, day) {
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return year + '-'
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+ String(month + 1).padStart(2, '0') + '-'
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+ String(day).padStart(2, '0');
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}
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function updateLabel(root) {
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var lbl = root.querySelector('.calr-label');
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if (!lbl) return;
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var start = root.dataset.start;
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var end = root.dataset.end;
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if (start && end) { lbl.textContent = start + ' → ' + end; return; }
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if (start) { lbl.textContent = start + ' → pick end date'; return; }
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lbl.textContent = '';
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}
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// Only updates CSS classes on already-rendered buttons — no DOM destruction.
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function updateHoverClasses(root, hoverDate) {
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var start = root.dataset.start;
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var end = root.dataset.end;
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var rangeEnd = (start && !end && hoverDate && cmpDate(hoverDate, start) >= 0)
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? hoverDate : end;
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root.querySelectorAll('.calr-day').forEach(function (btn) {
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var ds = btn.dataset.date;
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var isStart = !!(start && ds === start);
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var isEnd = !!(end && ds === end);
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var isHoverEnd = !!(!end && start && hoverDate && ds === hoverDate
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&& cmpDate(hoverDate, start) > 0);
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var isMid = !!(start && rangeEnd && isBetween(ds, start, rangeEnd));
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btn.classList.remove('calr-day-start', 'calr-day-end', 'calr-day-mid', 'calr-day-plain');
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if (isStart) btn.classList.add('calr-day-start');
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if (isEnd || isHoverEnd) btn.classList.add('calr-day-end');
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if (isMid) btn.classList.add('calr-day-mid');
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if (!isStart && !isEnd && !isHoverEnd && !isMid) btn.classList.add('calr-day-plain');
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});
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}
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// Full re-render of the grid. Called on mount, click, and view changes.
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function renderRange(root) {
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var view = root.dataset.view || 'days';
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var year = parseInt(root.dataset.year, 10);
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var month = parseInt(root.dataset.month, 10);
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var start = root.dataset.start || '';
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var end = root.dataset.end || '';
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var labelBtn = root.querySelector('.calr-month-label');
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var grid = root.querySelector('.calr-grid');
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var dowRow = root.querySelector('.cal-dow-row');
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// ── Update header label ──
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if (view === 'days') {
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labelBtn.textContent = MONTHS[month] + ' ' + year;
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} else if (view === 'months') {
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labelBtn.textContent = year;
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} else { // years
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var ds = Math.floor(year / 12) * 12;
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labelBtn.textContent = ds + ' – ' + (ds + 11);
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}
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if (dowRow) dowRow.style.display = view === 'days' ? '' : 'none';
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grid.innerHTML = '';
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// ── Clear event handlers (will be reassigned per view below) ──
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grid.onmouseover = null;
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grid.onmouseleave = null;
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if (view === 'days') {
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grid.style.gridTemplateColumns = '';
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var firstDay = new Date(year, month, 1).getDay();
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var daysInMonth = new Date(year, month + 1, 0).getDate();
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for (var i = 0; i < firstDay; i++) {
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grid.appendChild(document.createElement('div'));
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}
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for (var d = 1; d <= daysInMonth; d++) {
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var dateStr = toDateStr(year, month, d);
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var btn = document.createElement('button');
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btn.type = 'button';
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btn.textContent = d;
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btn.dataset.date = dateStr;
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var isStart = start && dateStr === start;
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var isEnd = end && dateStr === end;
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var isMid = start && end && isBetween(dateStr, start, end);
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var cls = 'calr-day';
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if (isStart) cls += ' calr-day-start';
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else if (isEnd) cls += ' calr-day-end';
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else if (isMid) cls += ' calr-day-mid';
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else cls += ' calr-day-plain';
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btn.className = cls;
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grid.appendChild(btn);
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}
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// Click: update state → full re-render
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grid.onclick = function (e) {
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var btn = e.target.closest('.calr-day');
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if (!btn) return;
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var ds = btn.dataset.date;
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var s = root.dataset.start;
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var en = root.dataset.end;
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if (!s || (s && en)) {
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root.dataset.start = ds;
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root.dataset.end = '';
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} else {
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if (cmpDate(ds, s) > 0) {
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root.dataset.end = ds;
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} else if (cmpDate(ds, s) < 0) {
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root.dataset.start = ds;
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root.dataset.end = '';
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} else {
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root.dataset.start = '';
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root.dataset.end = '';
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}
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}
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root.querySelector('.calr-hidden-start').value = root.dataset.start;
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root.querySelector('.calr-hidden-end').value = root.dataset.end;
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root.dispatchEvent(new CustomEvent('rangeChange', {
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detail: { start: root.dataset.start, end: root.dataset.end },
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bubbles: true
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}));
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renderRange(root);
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updateLabel(root);
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};
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grid.onmouseover = function (e) {
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var btn = e.target.closest('.calr-day');
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if (!btn) return;
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updateHoverClasses(root, btn.dataset.date);
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};
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grid.onmouseleave = function () {
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updateHoverClasses(root, null);
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};
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} else if (view === 'months') {
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grid.style.gridTemplateColumns = 'repeat(3, minmax(0, 1fr))';
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MONTHS.forEach(function (name, i) {
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var btn = document.createElement('button');
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btn.type = 'button';
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btn.textContent = name.slice(0, 3);
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btn.className = 'cal-view-btn' + (i === month ? ' cal-view-btn-selected' : '');
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btn.addEventListener('click', function () {
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root.dataset.month = i;
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root.dataset.view = 'days';
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renderRange(root);
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});
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grid.appendChild(btn);
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});
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} else { // years
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var decadeStart = Math.floor(year / 12) * 12;
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grid.style.gridTemplateColumns = 'repeat(3, minmax(0, 1fr))';
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for (var yi = 0; yi < 12; yi++) {
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(function (y) {
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var btn = document.createElement('button');
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btn.type = 'button';
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btn.textContent = y;
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btn.className = 'cal-view-btn' + (y === year ? ' cal-view-btn-selected' : '');
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btn.addEventListener('click', function () {
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root.dataset.year = y;
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root.dataset.view = 'months';
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renderRange(root);
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});
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grid.appendChild(btn);
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})(decadeStart + yi);
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}
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}
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}
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function initCalendarRange(root) {
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root.querySelector('.calr-prev').addEventListener('click', function () {
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var view = root.dataset.view || 'days';
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var m = parseInt(root.dataset.month, 10);
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var y = parseInt(root.dataset.year, 10);
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if (view === 'days') {
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if (m === 0) { m = 11; y--; } else { m--; }
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root.dataset.month = m;
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root.dataset.year = y;
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} else if (view === 'months') {
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root.dataset.year = y - 1;
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} else { // years
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root.dataset.year = Math.floor(y / 12) * 12 - 12;
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}
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renderRange(root);
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});
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root.querySelector('.calr-next').addEventListener('click', function () {
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var view = root.dataset.view || 'days';
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var m = parseInt(root.dataset.month, 10);
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var y = parseInt(root.dataset.year, 10);
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if (view === 'days') {
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if (m === 11) { m = 0; y++; } else { m++; }
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root.dataset.month = m;
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root.dataset.year = y;
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} else if (view === 'months') {
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root.dataset.year = y + 1;
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} else { // years
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root.dataset.year = Math.floor(y / 12) * 12 + 12;
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}
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renderRange(root);
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});
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root.querySelector('.calr-month-label').addEventListener('click', function () {
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var view = root.dataset.view || 'days';
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if (view === 'days') root.dataset.view = 'months';
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else if (view === 'months') root.dataset.view = 'years';
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renderRange(root);
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});
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renderRange(root);
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updateLabel(root);
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}
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function initAll() {
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document.querySelectorAll('.calr-root').forEach(initCalendarRange);
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}
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document.addEventListener('DOMContentLoaded', initAll);
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document.addEventListener('htmx:afterSwap', initAll);
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})();
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// ── TimePicker ────────────────────────────────────────────────────────────
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(function () {
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function syncTime(root) {
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var h = parseInt(root.querySelector('.timepicker-hour').value, 10) || 0;
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var m = parseInt(root.querySelector('.timepicker-minute').value, 10) || 0;
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var use12h = root.dataset.use12h === 'true';
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var h24 = h;
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if (use12h) {
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var ampmEl = root.querySelector('.timepicker-ampm');
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var ampm = ampmEl ? ampmEl.value : 'AM';
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if (ampm === 'PM') { h24 = h === 12 ? 12 : h + 12; }
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else { h24 = h === 12 ? 0 : h; }
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}
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root.querySelector('.timepicker-hidden').value =
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String(h24).padStart(2, '0') + ':' + String(m).padStart(2, '0');
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}
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function initTimePicker(root) {
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var sync = syncTime.bind(null, root);
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root.querySelector('.timepicker-hour').addEventListener('input', sync);
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root.querySelector('.timepicker-minute').addEventListener('input', sync);
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var ampmEl = root.querySelector('.timepicker-ampm');
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if (ampmEl) ampmEl.addEventListener('change', sync);
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sync();
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}
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function initAll() {
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document.querySelectorAll('.timepicker-root').forEach(initTimePicker);
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}
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document.addEventListener('DOMContentLoaded', initAll);
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document.addEventListener('htmx:afterSwap', initAll);
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})();
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