django-blog-for-html-over-t.../static/admin/js/collapse.js

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JavaScript
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2022-05-15 20:58:36 +02:00
/*global gettext*/
'use strict';
{
window.addEventListener('load', function() {
// Add anchor tag for Show/Hide link
const fieldsets = document.querySelectorAll('fieldset.collapse');
for (const [i, elem] of fieldsets.entries()) {
// Don't hide if fields in this fieldset have errors
if (elem.querySelectorAll('div.errors, ul.errorlist').length === 0) {
elem.classList.add('collapsed');
const h2 = elem.querySelector('h2');
const link = document.createElement('a');
link.id = 'fieldsetcollapser' + i;
link.className = 'collapse-toggle';
link.href = '#';
link.textContent = gettext('Show');
h2.appendChild(document.createTextNode(' ('));
h2.appendChild(link);
h2.appendChild(document.createTextNode(')'));
}
}
// Add toggle to hide/show anchor tag
const toggleFunc = function(ev) {
if (ev.target.matches('.collapse-toggle')) {
ev.preventDefault();
ev.stopPropagation();
const fieldset = ev.target.closest('fieldset');
if (fieldset.classList.contains('collapsed')) {
// Show
ev.target.textContent = gettext('Hide');
fieldset.classList.remove('collapsed');
} else {
// Hide
ev.target.textContent = gettext('Show');
fieldset.classList.add('collapsed');
}
}
};
document.querySelectorAll('fieldset.module').forEach(function(el) {
el.addEventListener('click', toggleFunc);
});
});
}