File size: 2,028 Bytes
187ef74 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | // Organizer Events progressive enhancement: the source opens a build-mode
// chooser before creating a draft. Real hrefs remain the no-JS fallback.
(function () {
"use strict";
var overlay = document.querySelector("[data-create-event-dialog]");
if (!overlay) return;
var dialog = overlay.querySelector('[role="dialog"]');
var returnFocus = null;
function focusable() {
return Array.prototype.slice.call(
dialog.querySelectorAll('a[href],button:not([disabled]),[tabindex]:not([tabindex="-1"])')
).filter(function (item) { return item.offsetParent !== null; });
}
function openChooser(trigger) {
returnFocus = trigger;
overlay.hidden = false;
document.body.classList.add("dashboard-create-is-open");
dialog.focus();
}
function closeChooser() {
overlay.hidden = true;
document.body.classList.remove("dashboard-create-is-open");
if (returnFocus && typeof returnFocus.focus === "function") returnFocus.focus();
}
document.querySelectorAll("[data-create-event-trigger]").forEach(function (trigger) {
trigger.addEventListener("click", function (event) {
event.preventDefault();
openChooser(trigger);
});
});
overlay.querySelectorAll("[data-create-event-close]").forEach(function (button) {
button.addEventListener("click", closeChooser);
});
overlay.addEventListener("click", function (event) {
if (event.target === overlay) closeChooser();
});
overlay.addEventListener("keydown", function (event) {
if (event.key === "Escape") {
event.preventDefault();
closeChooser();
return;
}
if (event.key !== "Tab") return;
var controls = focusable();
if (!controls.length) return;
var first = controls[0];
var last = controls[controls.length - 1];
if (event.shiftKey && document.activeElement === first) {
event.preventDefault(); last.focus();
} else if (!event.shiftKey && document.activeElement === last) {
event.preventDefault(); first.focus();
}
});
})();
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