frdh-mmenu-js/dist/addons/navbars/_navbar.breadcrumbs.js
2022-11-18 21:38:41 +01:00

54 lines
2.2 KiB
JavaScript

import Mmenu from '../../core/oncanvas/mmenu.oncanvas';
import * as DOM from '../../_modules/dom';
export default function (navbar) {
var _this = this;
// Add content
var breadcrumbs = DOM.create('div.mm-navbar__breadcrumbs');
navbar.append(breadcrumbs);
this.bind('initNavbar:after', function (panel) {
if (panel.querySelector('.mm-navbar__breadcrumbs')) {
return;
}
DOM.children(panel, '.mm-navbar')[0].classList.add('mm-hidden');
var crumbs = [], breadcrumbs = DOM.create('span.mm-navbar__breadcrumbs'), current = panel, first = true;
while (current) {
current = current.closest('.mm-panel');
if (!current.parentElement.matches('.mm-listitem_vertical')) {
var title = DOM.find(current, '.mm-navbar__title span')[0];
if (title) {
var text = title.textContent;
if (text.length) {
crumbs.unshift(first
? '<span>' + text + '</span>'
: '<a href="#' +
current.id +
'">' +
text +
'</a>');
}
}
first = false;
}
current = current['mmParent'];
}
if (_this.conf.navbars.breadcrumbs.removeFirst) {
crumbs.shift();
}
breadcrumbs.innerHTML = crumbs.join('<span class="mm-separator">' +
_this.conf.navbars.breadcrumbs.separator +
'</span>');
DOM.children(panel, '.mm-navbar')[0].append(breadcrumbs);
});
// Update for to opened panel
this.bind('openPanel:start', function (panel) {
var crumbs = panel.querySelector('.mm-navbar__breadcrumbs');
breadcrumbs.innerHTML = crumbs ? crumbs.innerHTML : '';
});
// Add screenreader / aria support
this.bind('initNavbar:after:sr-aria', function (panel) {
DOM.find(panel, '.mm-breadcrumbs a').forEach(function (anchor) {
Mmenu.sr_aria(anchor, 'owns', anchor.getAttribute('href').slice(1));
});
});
}