129 lines
3.9 KiB
JavaScript
129 lines
3.9 KiB
JavaScript
( function() {
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'use strict';
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if ( 'querySelector' in document && 'addEventListener' in window ) {
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/**
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* Navigation search.
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*
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* @param e The event.
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* @param _this The clicked item.
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*/
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var toggleSearch = function( e, item ) {
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e.preventDefault();
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if ( ! item ) {
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var item = this;
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}
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var forms = document.querySelectorAll( '.navigation-search' ),
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toggles = document.querySelectorAll( '.search-item' ),
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focusableEls = document.querySelectorAll('a[href], area[href], input:not([disabled]):not(.navigation-search), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), [tabindex="0"]'),
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nav = '';
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if ( item.closest( '.mobile-menu-control-wrapper' ) ) {
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nav = document.getElementById( 'site-navigation' );
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}
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for ( var i = 0; i < forms.length; i++ ) {
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if ( forms[i].classList.contains( 'nav-search-active' ) ) {
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if ( forms[i].closest( '#sticky-placeholder' ) ) {
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continue;
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}
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forms[i].classList.remove( 'nav-search-active' );
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var activeSearch = document.querySelector( '.has-active-search' );;
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if ( activeSearch ) {
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activeSearch.classList.remove( 'has-active-search' );
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}
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for ( var t = 0; t < toggles.length; t++ ) {
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toggles[t].classList.remove( 'close-search' );
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toggles[t].classList.remove( 'active' );
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toggles[t].querySelector( 'a' ).setAttribute( 'aria-label', generatepressNavSearch.open );
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// Allow tabindex on items again.
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for ( var f = 0; f < focusableEls.length; f++ ) {
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if ( ! focusableEls[f].closest( '.navigation-search' ) && ! focusableEls[f].closest( '.search-item' ) ) {
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focusableEls[f].removeAttribute( 'tabindex' );
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}
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};
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}
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document.activeElement.blur();
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} else {
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if ( forms[i].closest( '#sticky-placeholder' ) ) {
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continue;
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}
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var openedMobileMenu = forms[i].closest( '.toggled' );
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if ( openedMobileMenu ) {
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// Close the mobile menu.
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openedMobileMenu.querySelector( 'button.menu-toggle' ).click();
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}
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if ( nav ) {
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nav.classList.add( 'has-active-search' );
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}
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forms[i].classList.add( 'nav-search-active' );
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var container = this.closest( 'nav' );
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if ( container ) {
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if ( container.classList.contains( 'mobile-menu-control-wrapper' ) ) {
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container = nav;
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}
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var searchField = container.querySelector( '.search-field' );
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if ( searchField ) {
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searchField.focus();
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}
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}
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for ( var t = 0; t < toggles.length; t++ ) {
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toggles[t].classList.add( 'active' );
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toggles[t].querySelector( 'a' ).setAttribute( 'aria-label', generatepressNavSearch.close );
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// Trap tabindex within the search element
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for ( var f = 0; f < focusableEls.length; f++ ) {
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if ( ! focusableEls[f].closest( '.navigation-search' ) && ! focusableEls[f].closest( '.search-item' ) ) {
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focusableEls[f].setAttribute( 'tabindex', '-1' );
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}
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};
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toggles[t].classList.add( 'close-search' );
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}
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}
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}
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}
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if ( document.body.classList.contains( 'nav-search-enabled' ) ) {
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var searchItems = document.querySelectorAll( '.search-item' );
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for ( var i = 0; i < searchItems.length; i++ ) {
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searchItems[i].addEventListener( 'click', toggleSearch, false );
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}
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// Close navigation search on escape key
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document.addEventListener( 'keydown', function( e ) {
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if ( document.querySelector( '.navigation-search.nav-search-active' ) ) {
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var key = e.which || e.keyCode;
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if ( key === 27 ) { // 27 is esc
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var activeSearchItems = document.querySelectorAll( '.search-item.active' );
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for ( var i = 0; i < activeSearchItems.length; i++ ) {
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toggleSearch( e, activeSearchItems[i] );
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break;
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}
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}
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}
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}, false );
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}
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}
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})();
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