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<title>[6514] sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-developer/js/navigation.js: developer.wordpress.org: Port over accessibility updates and code formatting tweaks to js/navigation.js from wporg-support theme.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="http://meta.trac.wordpress.org/changeset/6514">6514</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"http://meta.trac.wordpress.org/changeset/6514","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>coffee2code</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2018-02-01 21:22:58 +0000 (Thu, 01 Feb 2018)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>developer.wordpress.org: Port over accessibility updates and code formatting tweaks to js/navigation.js from wporg-support theme.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#sitestrunkwordpressorgpublic_htmlwpcontentthemespubwporgdeveloperjsnavigationjs">sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-developer/js/navigation.js</a></li>
</ul>
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<h3>Diff</h3>
<a id="sitestrunkwordpressorgpublic_htmlwpcontentthemespubwporgdeveloperjsnavigationjs"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-developer/js/navigation.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-developer/js/navigation.js 2018-02-01 21:07:58 UTC (rev 6513)
+++ sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-developer/js/navigation.js 2018-02-01 21:22:58 UTC (rev 6514)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1,18 +1,21 @@
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * navigation.js
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * File navigation.js.
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * Handles toggling the navigation menu for small screens.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * Handles toggling the navigation menu for small screens and enables TAB key
+ * navigation support for dropdown menus.
</ins><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> ( function() {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- var container, button, menu;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ var container, button, menu, links, subMenus, i, len;
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> container = document.getElementById( 'site-navigation' );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( ! container )
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( ! container ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> return;
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ }
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> button = container.getElementsByTagName( 'button' )[0];
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( 'undefined' === typeof button )
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( 'undefined' === typeof button ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> return;
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ }
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> menu = container.getElementsByTagName( 'ul' )[0];
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -22,13 +25,57 @@
</span><span class="cx" style="display: block; padding: 0 10px"> return;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( -1 === menu.className.indexOf( 'nav-menu' ) )
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ menu.setAttribute( 'aria-expanded', 'false' );
+ if ( -1 === menu.className.indexOf( 'nav-menu' ) ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> menu.className += ' nav-menu';
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ }
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> button.onclick = function() {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( -1 !== container.className.indexOf( 'toggled' ) )
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( -1 !== container.className.indexOf( 'toggled' ) ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> container.className = container.className.replace( ' toggled', '' );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- else
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ button.setAttribute( 'aria-expanded', 'false' );
+ menu.setAttribute( 'aria-expanded', 'false' );
+ } else {
</ins><span class="cx" style="display: block; padding: 0 10px"> container.className += ' toggled';
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ button.setAttribute( 'aria-expanded', 'true' );
+ menu.setAttribute( 'aria-expanded', 'true' );
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> };
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ // Get all the link elements within the menu.
+ links = menu.getElementsByTagName( 'a' );
+ subMenus = menu.getElementsByTagName( 'ul' );
+
+ // Set menu items with submenus to aria-haspopup="true".
+ for ( i = 0, len = subMenus.length; i < len; i++ ) {
+ subMenus[i].parentNode.setAttribute( 'aria-haspopup', 'true' );
+ }
+
+ // Each time a menu link is focused or blurred, toggle focus.
+ for ( i = 0, len = links.length; i < len; i++ ) {
+ links[i].addEventListener( 'focus', toggleFocus, true );
+ links[i].addEventListener( 'blur', toggleFocus, true );
+ }
+
+ /**
+ * Sets or removes .focus class on an element.
+ */
+ function toggleFocus() {
+ var self = this;
+
+ // Move up through the ancestors of the current link until we hit .nav-menu.
+ while ( -1 === self.className.indexOf( 'nav-menu' ) ) {
+
+ // On li elements toggle the class .focus.
+ if ( 'li' === self.tagName.toLowerCase() ) {
+ if ( -1 !== self.className.indexOf( 'focus' ) ) {
+ self.className = self.className.replace( ' focus', '' );
+ } else {
+ self.className += ' focus';
+ }
+ }
+
+ self = self.parentElement;
+ }
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> } )();
</span></span></pre>
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