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| <?php | |
| /** | |
| * Klasse zum Erstellen einer WordPress Breadcrumb Navigation. | |
| * | |
| * @author Dominik Schilling | |
| * @license GPLv2 | |
| * @link http://wpgrafie.de/204/ | |
| * | |
| * @version 0.1.1 | |
| */ | |
| class DS_WP_Breadcrumb { | |
| /** | |
| * The list of breadcrumb items. | |
| * | |
| * @var array | |
| * @since 1.0.0 | |
| */ | |
| public $breadcrumb; | |
| /** | |
| * Templates for link, current/standard state and before/after. | |
| * | |
| * @var array | |
| */ | |
| public $templates; | |
| /** | |
| * Various strings. | |
| * | |
| * @var array | |
| */ | |
| public $strings; | |
| /** | |
| * Various options. | |
| * | |
| * @var array | |
| * @access public | |
| */ | |
| public $options; | |
| /** | |
| * Constructor. | |
| * | |
| * @param array $templates An array with templates for link, current/standard state and before/after. | |
| * @param array $options An array with options. | |
| * @param array $strings An array with strings. | |
| * @param bool $autorun Autorun or not. | |
| * @return string | |
| */ | |
| public function __construct( $templates = array(), $options = array(), $strings = array(), $autorun = true ) { | |
| $this->templates = wp_parse_args( | |
| $templates, | |
| array( | |
| 'link' => '<a href="%s">%s</a>', | |
| 'current' => '<span class="c">%s</span>', | |
| 'standard' => '<span class="s">%s</span>', | |
| 'before' => '<nav>', | |
| 'after' => '</nav>' | |
| ) | |
| ); | |
| $this->options = wp_parse_args( $options, array( | |
| 'separator' => ' › ', | |
| 'posts_on_front' => 'posts' == get_option( 'show_on_front' ) ? true : false, | |
| 'page_for_posts' => get_option( 'page_for_posts' ), | |
| 'show_pagenum' => true, // support pagination | |
| 'show_htfpt' => false // show hierarchical terms for post types | |
| ) ); | |
| $this->strings = wp_parse_args( $strings, array( | |
| 'home' => 'Startseite', | |
| 'search' => array( | |
| 'singular' => 'Ein Suchergebnis zu <em>%s</em>', | |
| 'plural' => '%s Suchergebnisse zu <em>%s</em>' | |
| ), | |
| 'paged' => 'Seite %d', | |
| '404_error' => 'Fehler: Seite existiert nicht' | |
| ) ); | |
| // Generate breadcrumb | |
| if ( $autorun) | |
| echo $this->output(); | |
| } | |
| /** | |
| * Return the final breadcrumb. | |
| * | |
| * @return string | |
| */ | |
| public function output() { | |
| if ( empty( $this->breadcrumb ) ) | |
| $this->generate(); | |
| $breadcrumb = (string) implode( $this->options['separator'], $this->breadcrumb ); | |
| return $this->templates['before'] . $breadcrumb . $this->templates['after']; | |
| } | |
| /** | |
| * Build the item based on the type. | |
| * | |
| * @param string|array $item | |
| * @param string $type | |
| * @return string | |
| */ | |
| protected function template( $item, $type = 'standard' ) { | |
| if ( is_array( $item ) ) | |
| $type = 'link'; | |
| switch ( $type ) { | |
| case'link': | |
| return $this->template( | |
| sprintf( | |
| $this->templates['link'], | |
| esc_url( $item['link'] ), | |
| $item['title'] | |
| ) | |
| ); | |
| break; | |
| case 'current': | |
| return sprintf( $this->templates['current'], $item ); | |
| break; | |
| case 'standard': | |
| return sprintf( $this->templates['standard'], $item ); | |
| break; | |
| } | |
| } | |
| /** | |
| * Helper to generate taxonomy parents. | |
| * | |
| * @param mixed $term_id | |
| * @param mixed $taxonomy | |
| * @return void | |
| */ | |
| protected function generate_tax_parents( $term_id, $taxonomy ) { | |
| $parent_ids = array_reverse( get_ancestors( $term_id, $taxonomy ) ); | |
| foreach ( $parent_ids as $parent_id ) { | |
| $term = get_term( $parent_id, $taxonomy ); | |
| $this->breadcrumb["archive_{$taxonomy}_{$parent_id}"] = $this->template( array( | |
| 'link' => get_term_link( $term->slug, $taxonomy ), | |
| 'title' => $term->name | |
| ) ); | |
| } | |
| } | |
| /** | |
| * Generate the breadcrumb. | |
| * | |
| * @return void | |
| */ | |
| public function generate() { | |
| $post_type = get_post_type(); | |
| $queried_object = get_queried_object(); | |
| $this->options['show_pagenum'] = ( $this->options['show_pagenum'] && is_paged() ) ? true : false; | |
| // Home & Front Page | |
| $this->breadcrumb['home'] = $this->template( $this->strings['home'], 'current' ); | |
| $home_linked = $this->template( array( | |
| 'link' => home_url( '/' ), | |
| 'title' => $this->strings['home'] | |
| ) ); | |
| if ( $this->options['posts_on_front'] ) { | |
| if ( ! is_home() || $this->options['show_pagenum'] ) | |
| $this->breadcrumb['home'] = $home_linked; | |
| } else { | |
| if ( ! is_front_page() ) | |
| $this->breadcrumb['home'] = $home_linked; | |
| if ( is_home() && !$this->options['show_pagenum'] ) | |
| $this->breadcrumb['blog'] = $this->template( get_the_title( $this->options['page_for_posts'] ), 'current' ); | |
| if ( ( 'post' == $post_type && ! is_search() && ! is_home() ) || ( 'post' == $post_type && $this->options['show_pagenum'] ) ) | |
| $this->breadcrumb['blog'] = $this->template( array( | |
| 'link' => get_permalink( $this->options['page_for_posts'] ), | |
| 'title' => get_the_title( $this->options['page_for_posts'] ) | |
| ) ); | |
| } | |
| // Post Type Archive as index | |
| if ( is_singular() || ( is_archive() && ! is_post_type_archive() ) || is_search() || $this->options['show_pagenum'] ) { | |
| if ( $post_type_link = get_post_type_archive_link( $post_type ) ) { | |
| $post_type_label = get_post_type_object( $post_type )->labels->name; | |
| $this->breadcrumb["archive_{$post_type}"] = $this->template( | |
| array( | |
| 'link' => $post_type_link, | |
| 'title' => $post_type_label | |
| ) ); | |
| } | |
| } | |
| if ( is_singular() ) { // Posts, (Sub)Pages, Attachments and Custom Post Types | |
| if ( ! is_front_page() ) { | |
| if ( $this->options['show_htfpt'] ) { | |
| $_id = $queried_object->ID; | |
| $_post_type = $post_type; | |
| if ( is_attachment() ) { | |
| // Show terms of the parent page | |
| $_id = $queried_object->post_parent; | |
| $_post_type = get_post_type( $_id ); | |
| } | |
| $taxonomies = get_object_taxonomies( $_post_type, 'objects' ); | |
| $taxonomies = array_values( wp_list_filter( $taxonomies, array( | |
| 'hierarchical' => true | |
| ) ) ); | |
| if ( ! empty( $taxonomies ) ) { | |
| $taxonomy = $taxonomies[0]->name; // Get the first taxonomy | |
| $terms = get_the_terms( $_id, $taxonomy ); | |
| if ( ! empty( $terms ) ) { | |
| $terms = array_values( $terms ); | |
| $term = $terms[0]; // Get the first term | |
| if ( 0 != $term->parent ) | |
| $this->generate_tax_parents( $term->term_id, $taxonomy ); | |
| $this->breadcrumb["archive_{$taxonomy}"] = $this->template( array( | |
| 'link' => get_term_link( $term->slug, $taxonomy ), | |
| 'title' => $term->name | |
| ) ); | |
| } | |
| } | |
| } | |
| if ( 0 != $queried_object->post_parent ) { // Get Parents | |
| $parents = array_reverse( get_post_ancestors( $queried_object->ID ) ); | |
| foreach ( $parents as $parent ) { | |
| $this->breadcrumb["archive_{$post_type}_{$parent}"] = $this->template( array( | |
| 'link' => get_permalink( $parent ), | |
| 'title' => get_the_title( $parent ) | |
| ) ); | |
| } | |
| } | |
| $this->breadcrumb["single_{$post_type}"] = $this->template( get_the_title(), 'current' ); | |
| } | |
| } elseif ( is_search() ) { // Search | |
| $total = $GLOBALS['wp_query']->found_posts; | |
| $text = sprintf( | |
| _n( | |
| $this->strings['search']['singular'], | |
| $this->strings['search']['plural'], | |
| $total | |
| ), | |
| $total, | |
| get_search_query() | |
| ); | |
| $this->breadcrumb['search'] = $this->template( $text, 'current' ); | |
| if ( $this->options['show_pagenum'] ) | |
| $this->breadcrumb['search'] = $this->template( array( | |
| 'link' => home_url( '?s=' . urlencode( get_search_query( false ) ) ), | |
| 'title' => $text | |
| ) ); | |
| } elseif ( is_archive() ) { // All archive pages | |
| if ( is_category() || is_tag() || is_tax() ) { // Categories, Tags and Custom Taxonomies | |
| $taxonomy = $queried_object->taxonomy; | |
| if ( 0 != $queried_object->parent && is_taxonomy_hierarchical( $taxonomy ) ) // Get Parents | |
| $this->generate_tax_parents( $queried_object->term_id, $taxonomy ); | |
| $this->breadcrumb["archive_{$taxonomy}"] = $this->template( $queried_object->name, 'current' ); | |
| if ( $this->options['show_pagenum'] ) | |
| $this->breadcrumb["archive_{$taxonomy}"] = $this->template( array( | |
| 'link' => get_term_link( $queried_object->slug, $taxonomy ), | |
| 'title' => $queried_object->name | |
| ) ); | |
| } elseif ( is_date() ) { // Date archive | |
| if ( is_year() ) { // Year archive | |
| $this->breadcrumb['archive_year'] = $this->template( get_the_date( 'Y' ), 'current' ); | |
| if ( $this->options['show_pagenum'] ) | |
| $this->breadcrumb['archive_year'] = $this->template( array( | |
| 'link' => get_year_link( get_query_var( 'year' ) ), | |
| 'title' => get_the_date( 'Y' ) | |
| ) ); | |
| } elseif ( is_month() ) { // Month archive | |
| $this->breadcrumb['archive_year'] = $this->template( array( | |
| 'link' => get_year_link( get_query_var( 'year' ) ), | |
| 'title' => get_the_date( 'Y' ) | |
| ) ); | |
| $this->breadcrumb['archive_month'] = $this->template( get_the_date( 'F' ), 'current' ); | |
| if ( $this->options['show_pagenum'] ) | |
| $this->breadcrumb['archive_month'] = $this->template( array( | |
| 'link' => get_month_link( get_query_var( 'year' ), get_query_var( 'monthnum' ) ), | |
| 'title' => get_the_date( 'F' ) | |
| ) ); | |
| } elseif ( is_day() ) { // Day archive | |
| $this->breadcrumb['archive_year'] = $this->template( array( | |
| 'link' => get_year_link( get_query_var( 'year' ) ), | |
| 'title' => get_the_date( 'Y' ) | |
| ) ); | |
| $this->breadcrumb['archive_month'] = $this->template( array( | |
| 'link' => get_month_link( get_query_var( 'year' ), get_query_var( 'monthnum' ) ), | |
| 'title' => get_the_date( 'F' ) | |
| ) ); | |
| $this->breadcrumb['archive_day'] = $this->template( get_the_date( 'j' ) ); | |
| if ( $this->options['show_pagenum'] ) | |
| $this->breadcrumb['archive_day'] = $this->template( array( | |
| 'link' => get_month_link( | |
| get_query_var( 'year' ), | |
| get_query_var( 'monthnum' ), | |
| get_query_var( 'day' ) | |
| ), | |
| 'title' => get_the_date( 'F' ) | |
| ) ); | |
| } | |
| } elseif ( is_post_type_archive() && ! is_paged() ) { // Custom Post Type Archive | |
| $post_type_label = get_post_type_object( $post_type )->labels->name; | |
| $this->breadcrumb["archive_{$post_type}"] = $this->template( $post_type_label, 'current' ); | |
| } elseif ( is_author() ) { // Author archive | |
| $this->breadcrumb['archive_author'] = $this->template( $queried_object->display_name, 'current' ); | |
| } | |
| } elseif ( is_404() ) { | |
| $this->breadcrumb['404'] = $this->template( $this->strings['404_error'], 'current' ); | |
| } | |
| if ( $this->options['show_pagenum'] ) | |
| $this->breadcrumb['paged'] = $this->template( | |
| sprintf( | |
| $this->strings['paged'], | |
| get_query_var( 'paged' ) | |
| ), | |
| 'current' | |
| ); | |
| } | |
| } | |
| ?> |
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| <?php | |
| function ds_breadcrumb() { | |
| require_once( TEMPLATEPATH . '/inc/class-wordpress-breadcrumb.php' ); | |
| $templates = array( | |
| 'before' => '<nav id="breadcrumb"> Du bist hier » <ul>', | |
| 'after' => '</ul></nav>', | |
| 'standard' => '<li itemscope itemtype="http://data-vocabulary.org/Breadcrumb">%s</li>', | |
| 'current' => '<li class="current">%s</li>', | |
| 'link' => '<a href="%s" itemprop="url"><span itemprop="title">%s</span></a>' | |
| ); | |
| $options = array( | |
| 'show_htfpt' => true | |
| ); | |
| $breadcrumb = new DS_WP_Breadcrumb( $templates, $options ); | |
| } |
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Hi Dominik, eine Frage bitte.
Aus dem oberen Teil erstelle ich eine .php Datei und den unteren Teil packe ich in meine functions.php.
Dann bleibt mein Blog komplett leer.
Was mache ich möglicherweise falsch.
Danke schon mal vorweg.
Liebe Grüße
Frank