diff options
Diffstat (limited to 'plugins/jetpack/modules/theme-tools/site-breadcrumbs.php')
| -rw-r--r-- | plugins/jetpack/modules/theme-tools/site-breadcrumbs.php | 70 |
1 files changed, 56 insertions, 14 deletions
diff --git a/plugins/jetpack/modules/theme-tools/site-breadcrumbs.php b/plugins/jetpack/modules/theme-tools/site-breadcrumbs.php index 3b783eea..7919d5df 100644 --- a/plugins/jetpack/modules/theme-tools/site-breadcrumbs.php +++ b/plugins/jetpack/modules/theme-tools/site-breadcrumbs.php @@ -2,7 +2,7 @@ /** * Plugin Name: Site Breadcrumbs * Plugin URI: http://wordpress.com - * Description: Quickly add breadcrumbs to the single view of a hierarchical post type + * Description: Quickly add breadcrumbs to the single view of a hierarchical post type or a hierarchical taxonomy. * Author: Automattic * Version: 1.0 * Author URI: http://wordpress.com @@ -10,28 +10,70 @@ */ function jetpack_breadcrumbs() { - if ( ! is_page() || is_front_page() ) { + $taxonomy = is_category() ? 'category' : get_query_var( 'taxonomy' ); + $is_taxonomy_hierarchical = is_taxonomy_hierarchical( $taxonomy ); + + $post_type = is_page() ? 'page' : get_query_var( 'post_type' ); + $is_post_type_hierarchical = is_post_type_hierarchical( $post_type ); + + if ( ! ( $is_post_type_hierarchical || $is_taxonomy_hierarchical ) || is_front_page() ) { return; } - global $post; + $breadcrumb = ''; - $ancestors = array_reverse( get_post_ancestors( $post->ID ) ); + if ( $is_post_type_hierarchical ) { + $post_id = get_queried_object_id(); + $ancestors = array_reverse( get_post_ancestors( $post_id ) ); + if ( $ancestors ) { + foreach ( $ancestors as $ancestor ) { + $breadcrumb .= '<span itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a href="' . esc_url( get_permalink( $ancestor ) ) . '" itemprop="item"><span itemprop="name">' . esc_html( get_the_title( $ancestor ) ) . '</span></a></span>'; + } + } + $breadcrumb .= '<span class="current-page" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><span itemprop="name">' . esc_html( get_the_title( $post_id ) ) . '</span></span>'; + } elseif ( $is_taxonomy_hierarchical ) { + $current = get_term( get_queried_object_id(), $taxonomy ); - $before = '<nav class="entry-breadcrumbs" itemscope itemtype="http://schema.org/BreadcrumbList">'; - $after = '</nav>'; + if ( is_wp_error( $current ) ) { + return; + } - $home = '<span itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a href="' . esc_url( home_url( "/" ) ) . '" class="home-link" itemprop="item" rel="home"><span itemprop="name">' . __( 'Home', 'jetpack' ) . '</span></a></span>'; + if ( $current->parent ) { + $breadcrumb = jetpack_get_term_parents( $current->parent, $taxonomy ); + } - $breadcrumb = ''; + $breadcrumb .= '<span class="current-category" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><span itemprop="name">' . esc_html( $current->name ) . '</span></span>'; + } - if ( $ancestors ) { - foreach ( $ancestors as $ancestor ) { - $breadcrumb .= '<span itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a href="' . esc_url( get_permalink( $ancestor ) ) . '" itemprop="item"><span itemprop="name">' . esc_html( get_the_title( $ancestor ) ) . '</span></a></span>'; - } + $home = '<span itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a href="' . esc_url( home_url( '/' ) ) . '" class="home-link" itemprop="item" rel="home"><span itemprop="name">' . esc_html__( 'Home', 'jetpack' ) . '</span></a></span>'; + + echo '<nav class="entry-breadcrumbs" itemscope itemtype="http://schema.org/BreadcrumbList">' . $home . $breadcrumb . '</nav>'; +} + +/** + * Return the parents for a given taxonomy term ID. + * + * @param int $term Taxonomy term whose parents will be returned. + * @param string $taxonomy Taxonomy name that the term belongs to. + * @param array $visited Terms already added to prevent duplicates. + * + * @return string A list of links to the term parents. + */ +function jetpack_get_term_parents( $term, $taxonomy, $visited = array() ) { + $parent = get_term( $term, $taxonomy ); + + if ( is_wp_error( $parent ) ) { + return $parent; + } + + $chain = ''; + + if ( $parent->parent && ( $parent->parent != $parent->term_id ) && ! in_array( $parent->parent, $visited ) ) { + $visited[] = $parent->parent; + $chain .= jetpack_get_term_parents( $parent->parent, $taxonomy, $visited ); } - $breadcrumb .= '<span class="current-page" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><span itemprop="name">' . esc_html( get_the_title( $post->ID ) ) . '</span></span>'; + $chain .= '<a href="' . esc_url( get_category_link( $parent->term_id ) ) . '">' . $parent->name . '</a>'; - echo $before . $home . $breadcrumb . $after; + return $chain; } |