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perf: pre-render student popover cards server-side into <template> tags — zero per-hover requests

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Pontoporeia
2026-04-24 13:17:47 +02:00
parent 53c3127140
commit e590d8e035
5 changed files with 101 additions and 30 deletions
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45
app/templates/public/repertoire.php
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@@ -12,49 +12,50 @@
var popover = document.getElementById('student-popover');
var currentAnchor = null;
// Position the popover next to the hovered student entry
function positionPopover(anchor) {
var rect = anchor.getBoundingClientRect();
var rect = anchor.getBoundingClientRect();
var scrollY = window.scrollY || 0;
var scrollX = window.scrollX || 0;
// Place to the right of the column; fall back left if off-screen
var left = rect.right + scrollX + 12;
var top = rect.top + scrollY;
if (left + 320 > window.innerWidth + scrollX) {
left = rect.left + scrollX - 332;
if (left + 300 > window.innerWidth + scrollX) {
left = rect.left + scrollX - 312;
}
popover.style.left = left + 'px';
popover.style.top = top + 'px';
}
// Show popover after HTMX fills it
document.body.addEventListener('htmx:afterSwap', function (e) {
if (e.detail.target !== popover) return;
if (!popover.innerHTML.trim()) return;
function showPreview(anchor) {
var tplId = anchor.dataset.preview;
if (!tplId) return;
var tpl = document.getElementById(tplId);
if (!tpl) return;
popover.innerHTML = '';
popover.appendChild(tpl.content.cloneNode(true));
positionPopover(anchor);
popover.hidden = false;
if (currentAnchor) positionPopover(currentAnchor);
});
}
function hidePreview() {
popover.hidden = true;
currentAnchor = null;
}
// Track hovered anchor
document.body.addEventListener('mouseenter', function (e) {
var a = e.target.closest('[data-student-name]');
var a = e.target.closest('[data-preview]');
if (!a) return;
currentAnchor = a;
showPreview(a);
}, true);
// Hide when leaving BOTH the anchor and the popover
document.body.addEventListener('mouseleave', function (e) {
var a = e.target.closest('[data-student-name]');
var a = e.target.closest('[data-preview]');
var p = e.target.closest('#student-popover');
if (!a && !p) return;
// Small delay so mouse can move into popover
setTimeout(function () {
var hoverAnchor = document.querySelector('[data-student-name]:hover');
var hoverPop = document.querySelector('#student-popover:hover');
if (!hoverAnchor && !hoverPop) {
popover.hidden = true;
popover.innerHTML = '';
currentAnchor = null;
if (!document.querySelector('[data-preview]:hover') &&
!document.querySelector('#student-popover:hover')) {
hidePreview();
}
}, 120);
}, true);