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<title>[2507] sites/trunk/wordpress.org/public_html/wp-content/plugins/handbook: Handbook plugin: Add template tag for outputting post navigation links for menu-ordered handbook pages.</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/2507">2507</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/2507","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>2016-02-15 22:35:27 +0000 (Mon, 15 Feb 2016)</dd>
</dl>
<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Handbook plugin: Add template tag for outputting post navigation links for menu-ordered handbook pages.
See <a href="http://meta.trac.wordpress.org/ticket/425">#425</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#sitestrunkwordpressorgpublic_htmlwpcontentpluginshandbookhandbookphp">sites/trunk/wordpress.org/public_html/wp-content/plugins/handbook/handbook.php</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#sitestrunkwordpressorgpublic_htmlwpcontentpluginshandbookincnavigationphp">sites/trunk/wordpress.org/public_html/wp-content/plugins/handbook/inc/navigation.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="sitestrunkwordpressorgpublic_htmlwpcontentpluginshandbookhandbookphp"></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/plugins/handbook/handbook.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/wordpress.org/public_html/wp-content/plugins/handbook/handbook.php 2016-02-15 21:56:48 UTC (rev 2506)
+++ sites/trunk/wordpress.org/public_html/wp-content/plugins/handbook/handbook.php 2016-02-15 22:35:27 UTC (rev 2507)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -7,6 +7,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> require_once dirname( __FILE__ ) . '/inc/callout-boxes.php';
</span><span class="cx" style="display: block; padding: 0 10px"> require_once dirname( __FILE__ ) . '/inc/glossary.php';
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+require_once dirname( __FILE__ ) . '/inc/navigation.php';
</ins><span class="cx" style="display: block; padding: 0 10px"> require_once dirname( __FILE__ ) . '/inc/table-of-contents.php';
</span><span class="cx" style="display: block; padding: 0 10px"> require_once dirname( __FILE__ ) . '/inc/email-post-changes.php';
</span><span class="cx" style="display: block; padding: 0 10px"> require_once dirname( __FILE__ ) . '/inc/watchlist.php';
</span></span></pre></div>
<a id="sitestrunkwordpressorgpublic_htmlwpcontentpluginshandbookincnavigationphp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: sites/trunk/wordpress.org/public_html/wp-content/plugins/handbook/inc/navigation.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/wordpress.org/public_html/wp-content/plugins/handbook/inc/navigation.php (rev 0)
+++ sites/trunk/wordpress.org/public_html/wp-content/plugins/handbook/inc/navigation.php 2016-02-15 22:35:27 UTC (rev 2507)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,87 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * Class providing navigation-related functionality.
+ *
+ * @package handbook
+ */
+
+class WPorg_Handbook_Navigation {
+
+ /**
+ * Outputs previous and/or next post navigation links using the
+ * specified menu to inform navigation ordering.
+ *
+ * @param string $menu_name The name of the menu to use for nav ordering.
+ */
+ public static function navigate_via_menu( $menu_name ) {
+ // Get the items for the specified menu
+ if ( ! $menu_items = wp_get_nav_menu_items( $menu_name ) ) {
+ return;
+ }
+
+ // Get ids for all menu objects
+ $menu_ids = wp_list_pluck( $menu_items, 'object_id' );
+
+ // Get current post
+ if ( ! $post = get_post() ) {
+ return;
+ }
+
+ // Index of current post in menu. Return if not in menu.
+ $i = array_search( $post->ID, $menu_ids );
+ if ( false === $i ) {
+ return;
+ }
+
+ // Find the previous post (note: preview menu item may not be a post)
+ $previous = null;
+ for ( $n = $i-1; $n >= 0; $n-- ) {
+ if ( isset( $menu_items[ $n ] ) && is_a( $menu_items[ $n ], 'WP_Post' ) ) {
+ $previous = $menu_items[ $n ];
+ break;
+ }
+ }
+
+ // Find the next post (note: next menu item may not be a post)
+ $next = null;
+ $max = count( $menu_items );
+ for ( $n = $i+1; $n < $max; $n++ ) {
+ if ( isset( $menu_items[ $n ] ) && is_a( $menu_items[ $n ], 'WP_Post' ) ) {
+ $next = $menu_items[ $n ];
+ break;
+ }
+ }
+
+ if ( ! $previous && ! $next ) {
+ return;
+ }
+ ?>
+
+ <nav class="handbook-navigation" role="navigation">
+ <h1 class="screen-reader-text"><?php _e( 'Handbook navigation', 'wporg' ); ?></h1>
+ <div class="nav-links">
+
+ <?php
+ if ( $previous ) {
+ printf( '<a href="%s" rel="previous"><span class="meta-nav">←</span> %s</a>',
+ esc_url( $previous->url ),
+ esc_html( $previous->title )
+ );
+ }
+
+ if ( $next ) {
+ printf( '<a href="%s" rel="next">%s <span class="meta-nav">→</span></a>',
+ esc_url( $next->url ),
+ esc_html( $next->title )
+ );
+ }
+ ?>
+
+ </div>
+ <!-- .nav-links -->
+ </nav><!-- .navigation -->
+ <?php
+ }
+
+}
+
</ins><span class="cx" style="display: block; padding: 0 10px">Property changes on: sites/trunk/wordpress.org/public_html/wp-content/plugins/handbook/inc/navigation.php
</span><span class="cx" style="display: block; padding: 0 10px">___________________________________________________________________
</span></span></pre></div>
<a id="svneolstyle"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: svn:eol-style</h4></div>
<ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+native
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span></div>
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