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// File#: _2_side-navigation-v4
// Usage: codyhouse.co/license
(function() {
function initSideNav(nav) {
// create btns - visible on mobile only
createBtns(nav);
// toggle sublists on mobile when clicking on buttons
toggleSubLists(nav);
// init diagonal movement
initDiagonalMove(nav);
};
function createBtns(nav) {
// on mobile -> create a <button> element for each link with a submenu
var expandableLinks = nav.getElementsByClassName('js-sidenav-v4__link');
for(var i = 0; i < expandableLinks.length; i++) {
createSingleBtn(expandableLinks[i]);
}
};
function createSingleBtn(link) {
if(!hasSubList(link)) return;
// create btn and insert it into the DOM
var btnClasses = link.getAttribute('class').replace('js-sidenav-v4__link', 'js-sidenav-v4__btn');
btnClasses = btnClasses +' sidenav-v4__link--btn';
var btnHtml = '<button class="reset '+btnClasses+'">'+link.innerHTML+'</button>';
link.insertAdjacentHTML('afterend', btnHtml);
// add class to link element
Util.addClass(link, 'sidenav-v4__link--href');
// check if we need to add the collpsed class to the <li> element
var listItem = link.parentElement;
if(!Util.hasClass(listItem, 'sidenav-v4__item--current')) Util.addClass(listItem, 'sidenav-v4__item--collapsed');
};
function hasSubList(link) {
// check if link has submenu
var sublist = link.nextElementSibling;
if(!sublist) return false;
return Util.hasClass(sublist, 'sidenav-v4__sub-list');
};
function toggleSubLists(nav) {
// open/close sublist on mobile
nav.addEventListener('click', function(event){
var btn = event.target.closest('.js-sidenav-v4__btn');
if(!btn) return;
Util.toggleClass(btn.parentElement, 'sidenav-v4__item--collapsed', !Util.hasClass(btn.parentElement, 'sidenav-v4__item--collapsed'));
});
};
function initDiagonalMove(nav) {
// improve dropdown navigation
new menuAim({
menu: nav.querySelector('ul'),
activate: function(row) {
Util.addClass(row, 'sidenav-v4__item--hover');
},
deactivate: function(row) {
Util.removeClass(row, 'sidenav-v4__item--hover');
},
exitMenu: function() {
return true;
},
});
};
var sideNavs = document.getElementsByClassName('js-sidenav-v4');
if( sideNavs.length > 0 ) {
for( var i = 0; i < sideNavs.length; i++) {
(function(i){initSideNav(sideNavs[i]);})(i);
}
}
}());
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