Wordpress 3.5

[autoinstalls/wordpress.git] / wp-content / themes / twentytwelve / js / navigation.js

diff --git a/wp-content/themes/twentytwelve/js/navigation.js b/wp-content/themes/twentytwelve/js/navigation.js
new file mode 100644 (file)
index 0000000..915e25a
--- /dev/null
+++ b/wp-content/themes/twentytwelve/js/navigation.js
@@ -0,0 +1,33 @@
+/**
+ * navigation.js
+ *
+ * Handles toggling the navigation menu for small screens.
+ */
+( function() {
+       var nav = document.getElementById( 'site-navigation' ), button, menu;
+       if ( ! nav )
+               return;
+       button = nav.getElementsByTagName( 'h3' )[0];
+       menu   = nav.getElementsByTagName( 'ul' )[0];
+       if ( ! button )
+               return;
+
+       // Hide button if menu is missing or empty.
+       if ( ! menu || ! menu.childNodes.length ) {
+               button.style.display = 'none';
+               return;
+       }
+
+       button.onclick = function() {
+               if ( -1 == menu.className.indexOf( 'nav-menu' ) )
+                       menu.className = 'nav-menu';
+
+               if ( -1 != button.className.indexOf( 'toggled-on' ) ) {
+                       button.className = button.className.replace( ' toggled-on', '' );
+                       menu.className = menu.className.replace( ' toggled-on', '' );
+               } else {
+                       button.className += ' toggled-on';
+                       menu.className += ' toggled-on';
+               }
+       };
+} )();
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