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<title>[21929] trunk/wp-content/themes/twentytwelve: Twenty Twelve: update navigation script to check for missing button and menu children earlier; allows an empty menu to be set without showing the button.</title>
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<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/21929">21929</a></dd>
<dt>Author</dt> <dd>lancewillett</dd>
<dt>Date</dt> <dd>2012-09-20 16:28:27 +0000 (Thu, 20 Sep 2012)</dd>
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<h3>Log Message</h3>
<pre>Twenty Twelve: update navigation script to check for missing button and menu children earlier; allows an empty menu to be set without showing the button. See <a href="http://core.trac.wordpress.org/ticket/21678">#21678</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpcontentthemestwentytwelvefunctionsphp">trunk/wp-content/themes/twentytwelve/functions.php</a></li>
<li><a href="#trunkwpcontentthemestwentytwelvejsnavigationjs">trunk/wp-content/themes/twentytwelve/js/navigation.js</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkwpcontentthemestwentytwelvefunctionsphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-content/themes/twentytwelve/functions.php (21928 => 21929)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-content/themes/twentytwelve/functions.php 2012-09-20 14:55:54 UTC (rev 21928)
+++ trunk/wp-content/themes/twentytwelve/functions.php 2012-09-20 16:28:27 UTC (rev 21929)
</span><span class="lines">@@ -98,7 +98,7 @@
</span><span class="cx"> /*
</span><span class="cx"> * Adds JavaScript for handling the navigation menu hide-and-show behavior.
</span><span class="cx"> */
</span><del>- wp_enqueue_script( 'twentytwelve-navigation', get_template_directory_uri() . '/js/navigation.js', array(), '20120824', true );
</del><ins>+ wp_enqueue_script( 'twentytwelve-navigation', get_template_directory_uri() . '/js/navigation.js', array(), '20120920', true );
</ins><span class="cx">
</span><span class="cx"> /*
</span><span class="cx"> * Loads our special font CSS file.
</span></span></pre></div>
<a id="trunkwpcontentthemestwentytwelvejsnavigationjs"></a>
<div class="modfile"><h4>Modified: trunk/wp-content/themes/twentytwelve/js/navigation.js (21928 => 21929)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-content/themes/twentytwelve/js/navigation.js 2012-09-20 14:55:54 UTC (rev 21928)
+++ trunk/wp-content/themes/twentytwelve/js/navigation.js 2012-09-20 16:28:27 UTC (rev 21929)
</span><span class="lines">@@ -7,9 +7,15 @@
</span><span class="cx"> var button = document.getElementById( 'site-navigation' ).getElementsByTagName( 'h3' )[0],
</span><span class="cx"> menu = document.getElementById( 'site-navigation' ).getElementsByTagName( 'ul' )[0];
</span><span class="cx">
</span><del>- if ( undefined == button || undefined == menu )
</del><ins>+ if ( undefined === button )
</ins><span class="cx"> return false;
</span><span class="cx">
</span><ins>+ // Hide button if menu is missing or empty.
+ if ( undefined === menu || ! menu.childNodes.length ) {
+ button.style.display = 'none';
+ return false;
+ }
+
</ins><span class="cx"> button.onclick = function() {
</span><span class="cx"> if ( -1 == menu.className.indexOf( 'nav-menu' ) )
</span><span class="cx"> menu.className = 'nav-menu';
</span><span class="lines">@@ -22,8 +28,4 @@
</span><span class="cx"> menu.className += ' toggled-on';
</span><span class="cx"> }
</span><span class="cx"> };
</span><del>-
- // Hide menu toggle button if menu is empty.
- if ( ! menu.childNodes.length )
- button.style.display = 'none';
</del><span class="cx"> } )();
</span><span class="cx">\ No newline at end of file
</span></span></pre>
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