const materialAddForm = $('.nav-panel-add');
materialAddForm.on('submit', () => {
materialAddForm.addClass('disabled');
$('input#entry_url', materialAddForm).prop('readonly', true).trigger('blur');
});
const materialAddForm = $('.nav-panel-add');
materialAddForm.on('submit', () => {
materialAddForm.addClass('disabled');
$('input#entry_url', materialAddForm).prop('readonly', true).trigger('blur');
});