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- <?php
- if(!class_exists('avia_breadcrumb'))
- {
- class avia_breadcrumb
- {
- var $options;
- function __construct($options = ""){
- $this->options = array( //change this array if you want another output scheme
- 'before' => '<span class="arrow"> ',
- 'after' => ' </span>',
- 'delimiter' => '»'
- );
- if(is_array($options))
- {
- $this->options = array_merge($this->options, $options);
- }
- $markup = $this->options['before'].$this->options['delimiter'].$this->options['after'];
- global $post;
- echo '<p class="breadcrumb"><span class="breadcrumb_info">'.__('You are here:','avia_framework').'</span> <a href="'.get_bloginfo('url').'">';
- bloginfo('name');
- echo "</a>";
- if(!is_front_page()){echo $markup;}
- $output = $this->simple_breadcrumb_case($post);
- echo "<span class='current_crumb'>";
- if ( is_page() || is_single()) {
- the_title();
- }else{
- echo $output;
- }
- echo " </span></p>";
- }
- function simple_breadcrumb_case($der_post)
- {
- global $post;
- $markup = $this->options['before'].$this->options['delimiter'].$this->options['after'];
- if (is_page()){
- if($der_post->post_parent) {
- $my_query = get_post($der_post->post_parent);
- $this->simple_breadcrumb_case($my_query);
- $link = '<a href="';
- $link .= get_permalink($my_query->ID);
- $link .= '">';
- $link .= ''. get_the_title($my_query->ID) . '</a>'. $markup;
- echo $link;
- }
- return;
- }
- if(is_single())
- {
- $category = get_the_category();
- if (is_attachment()){
- $my_query = get_post($der_post->post_parent);
- $category = get_the_category($my_query->ID);
- if(isset($category[0]))
- {
- $ID = $category[0]->cat_ID;
- $parents = get_category_parents($ID, TRUE, $markup, FALSE );
- if(!is_object($parents)) echo $parents;
- previous_post_link("%link $markup");
- }
- }else{
- $postType = get_post_type();
- if($postType == 'post')
- {
- $ID = $category[0]->cat_ID;
- echo get_category_parents($ID, TRUE, $markup, FALSE );
- }
- else if($postType == 'portfolio')
- {
- $terms = get_the_term_list( $post->ID, 'portfolio_entries', '', '$$$', '' );
- $terms = explode('$$$',$terms);
- echo $terms[0].$markup;
- }
- }
- return;
- }
- if(is_tax()){
- $term = get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) );
- return $term->name;
- }
- if(is_category()){
- $category = get_the_category();
- $i = $category[0]->cat_ID;
- $parent = $category[0]-> category_parent;
- if($parent > 0 && $category[0]->cat_name == single_cat_title("", false)){
- echo get_category_parents($parent, TRUE, $markup, FALSE);
- }
- return single_cat_title('',FALSE);
- }
- if(is_author()){
- $curauth = get_userdatabylogin(get_query_var('author_name'));
- return "Author: ".$curauth->nickname;
- }
- if(is_tag()){ return "Tag: ".single_tag_title('',FALSE); }
- if(is_404()){ return __("404 - Page not Found",'avia_framework'); }
- if(is_search()){ return __("Search",'avia_framework');}
- if(is_year()){ return get_the_time('Y'); }
- if(is_month()){
- $k_year = get_the_time('Y');
- echo "<a href='".get_year_link($k_year)."'>".$k_year."</a>".$markup;
- return get_the_time('F'); }
- if(is_day() || is_time()){
- $k_year = get_the_time('Y');
- $k_month = get_the_time('m');
- $k_month_display = get_the_time('F');
- echo "<a href='".get_year_link($k_year)."'>".$k_year."</a>".$markup;
- echo "<a href='".get_month_link($k_year, $k_month)."'>".$k_month_display."</a>".$markup;
- return get_the_time('jS (l)'); }
- }
- }
- }
- /*-----------------------------------------------------------------------------------*/
- /* avia_breadcrumbs() - Custom breadcrumb generator function */
- /*
- /* Params:
- /*
- /* Arguments Array:
- /*
- /* 'separator' - The character to display between the breadcrumbs.
- /* 'before' - HTML to display before the breadcrumbs.
- /* 'after' - HTML to display after the breadcrumbs.
- /* 'front_page' - Include the front page at the beginning of the breadcrumbs.
- /* 'show_home' - If $show_home is set and we're not on the front page of the site, link to the home page.
- /* 'echo' - Specify whether or not to echo the breadcrumbs. Alternative is "return".
- /* 'show_posts_page' - If a static front page is set and there is a posts page, toggle whether or not to display that page's tree.
- /*
- /*-----------------------------------------------------------------------------------*/
- /**
- * The code below is an inspired/modified version by woothemes breadcrumb function which in turn is inspired by Justin Tadlock's Hybrid Core :)
- */
- function avia_breadcrumbs( $args = array() ) {
- global $wp_query, $wp_rewrite;
- /* Create an empty variable for the breadcrumb. */
- $breadcrumb = '';
- /* Create an empty array for the trail. */
- $trail = array();
- $path = '';
- /* Set up the default arguments for the breadcrumb. */
- $defaults = array(
- 'separator' => '»',
- 'before' => '<span class="breadcrumb-title">' . __( 'You are here:', 'avia_framework' ) . '</span>',
- 'after' => false,
- 'front_page' => true,
- 'show_home' => __( 'Home', 'avia_framework' ),
- 'echo' => false,
- 'show_categories' => true,
- 'show_posts_page' => true,
- 'truncate' => 30,
- 'richsnippet' => false
- );
- /* Allow singular post views to have a taxonomy's terms prefixing the trail. */
- if ( is_singular() )
- $defaults["singular_{$wp_query->post->post_type}_taxonomy"] = false;
- /* Apply filters to the arguments. */
- $args = apply_filters( 'avia_breadcrumbs_args', $args );
- /* Parse the arguments and extract them for easy variable naming. */
- extract( wp_parse_args( $args, $defaults ) );
- /* If $show_home is set and we're not on the front page of the site, link to the home page. */
- if ( !is_front_page() && $show_home )
- $trail[] = '<a href="' . home_url() . '" title="' . esc_attr( get_bloginfo( 'name' ) ) . '" rel="home" class="trail-begin">' . $show_home . '</a>';
- /* If viewing the front page of the site. */
- if ( is_front_page() ) {
- if ( !$front_page )
- $trail = false;
- elseif ( $show_home )
- $trail['trail_end'] = "{$show_home}";
- }
- /* If viewing the "home"/posts page. */
- elseif ( is_home() ) {
- $home_page = get_page( $wp_query->get_queried_object_id() );
- $trail = array_merge( $trail, avia_breadcrumbs_get_parents( $home_page->post_parent, '' ) );
- $trail['trail_end'] = get_the_title( $home_page->ID );
- }
- /* If viewing a singular post (page, attachment, etc.). */
- elseif ( is_singular() ) {
- /* Get singular post variables needed. */
- $post = $wp_query->get_queried_object();
- $post_id = absint( $wp_query->get_queried_object_id() );
- $post_type = $post->post_type;
- $parent = $post->post_parent;
- /* If a custom post type, check if there are any pages in its hierarchy based on the slug. */
- if ( 'page' !== $post_type && 'post' !== $post_type ) {
- $post_type_object = get_post_type_object( $post_type );
- /* If $front has been set, add it to the $path. */
- if ( 'post' == $post_type || 'attachment' == $post_type || ( $post_type_object->rewrite['with_front'] && $wp_rewrite->front ) )
- $path .= trailingslashit( $wp_rewrite->front );
- /* If there's a slug, add it to the $path. */
- if ( !empty( $post_type_object->rewrite['slug'] ) )
- $path .= $post_type_object->rewrite['slug'];
- /* If there's a path, check for parents. */
- if ( !empty( $path ) )
- $trail = array_merge( $trail, avia_breadcrumbs_get_parents( '', $path ) );
- /* If there's an archive page, add it to the trail. */
- if ( !empty( $post_type_object->has_archive ) && function_exists( 'get_post_type_archive_link' ) )
- $trail[] = '<a href="' . get_post_type_archive_link( $post_type ) . '" title="' . esc_attr( $post_type_object->labels->name ) . '">' . $post_type_object->labels->name . '</a>';
- }
- /* try to build a generic taxonomy trail no matter the post type and taxonomy and terms
- $currentTax = "";
- foreach(get_taxonomies() as $tax)
- {
- $terms = get_the_term_list( $post_id, $tax, '', '$$$', '' );
- echo"<pre>";
- print_r($tax.$terms);
- echo"</pre>";
- }
- */
- /* If the post type path returns nothing and there is a parent, get its parents. */
- if ( empty( $path ) && 0 !== $parent || 'attachment' == $post_type )
- $trail = array_merge( $trail, avia_breadcrumbs_get_parents( $parent, '' ) );
- /* Toggle the display of the posts page on single blog posts. */
- if ( 'post' == $post_type && $show_posts_page == true && 'page' == get_option( 'show_on_front' ) ) {
- $posts_page = get_option( 'page_for_posts' );
- if ( $posts_page != '' && is_numeric( $posts_page ) ) {
- $trail = array_merge( $trail, avia_breadcrumbs_get_parents( $posts_page, '' ) );
- }
- }
- if('post' == $post_type && $show_categories)
- {
- $category = get_the_category();
- foreach($category as $cat)
- {
- if(!empty($cat->parent))
- {
- $parents = get_category_parents($cat->cat_ID, TRUE, '$$$', FALSE );
- $parents = explode("$$$", $parents);
- foreach ($parents as $parent_item)
- {
- if($parent_item) $trail[] = $parent_item;
- }
- break;
- }
- }
- if(isset($category[0]) && empty($parents))
- {
- $trail[] = '<a href="'.get_category_link($category[0]->term_id ).'">'.$category[0]->cat_name.'</a>';
- }
- }
- if($post_type == 'portfolio')
- {
- $parents = get_the_term_list( $post_id, 'portfolio_entries', '', '$$$', '' );
- $parents = explode('$$$',$parents);
- foreach ($parents as $parent_item)
- {
- if($parent_item) $trail[] = $parent_item;
- }
- }
- /* Display terms for specific post type taxonomy if requested. */
- if ( isset( $args["singular_{$post_type}_taxonomy"] ) && $terms = get_the_term_list( $post_id, $args["singular_{$post_type}_taxonomy"], '', ', ', '' ) )
- $trail[] = $terms;
- /* End with the post title. */
- $post_title = get_the_title( $post_id ); // Force the post_id to make sure we get the correct page title.
- if ( !empty( $post_title ) )
- $trail['trail_end'] = $post_title;
- }
- /* If we're viewing any type of archive. */
- elseif ( is_archive() ) {
- /* If viewing a taxonomy term archive. */
- if ( is_tax() || is_category() || is_tag() ) {
- /* Get some taxonomy and term variables. */
- $term = $wp_query->get_queried_object();
- $taxonomy = get_taxonomy( $term->taxonomy );
- /* Get the path to the term archive. Use this to determine if a page is present with it. */
- if ( is_category() )
- $path = 'Thema ' . get_option( 'category_base' );
- elseif ( is_tag() )
- $path = 'Schlagwort ' . get_option( 'tag_base' );
- else {
- if ( $taxonomy->rewrite['with_front'] && $wp_rewrite->front )
- $path = trailingslashit( $wp_rewrite->front );
- $path .= $taxonomy->rewrite['slug'];
- }
- /* Get parent pages by path if they exist. */
- if ( $path )
- $trail = array_merge( $trail, avia_breadcrumbs_get_parents( '', $path ) );
- /* If the taxonomy is hierarchical, list its parent terms. */
- if ( is_taxonomy_hierarchical( $term->taxonomy ) && $term->parent )
- $trail = array_merge( $trail, avia_breadcrumbs_get_term_parents( $term->parent, $term->taxonomy ) );
- /* Add the term name to the trail end. */
- $trail['trail_end'] = $term->name;
- }
- /* If viewing a post type archive. */
- elseif ( function_exists( 'is_post_type_archive' ) && is_post_type_archive() ) {
- /* Get the post type object. */
- $post_type_object = get_post_type_object( get_query_var( 'post_type' ) );
- /* If $front has been set, add it to the $path. */
- if ( $post_type_object->rewrite['with_front'] && $wp_rewrite->front )
- $path .= trailingslashit( $wp_rewrite->front );
- /* If there's a slug, add it to the $path. */
- if ( !empty( $post_type_object->rewrite['archive'] ) )
- $path .= $post_type_object->rewrite['archive'];
- /* If there's a path, check for parents. */
- if ( !empty( $path ) )
- $trail = array_merge( $trail, avia_breadcrumbs_get_parents( '', $path ) );
- /* Add the post type [plural] name to the trail end. */
- $trail['trail_end'] = $post_type_object->labels->name;
- }
- /* If viewing an author archive. */
- elseif ( is_author() ) {
- /* If $front has been set, add it to $path. */
- if ( !empty( $wp_rewrite->front ) )
- $path .= trailingslashit( $wp_rewrite->front );
- /* If an $author_base exists, add it to $path. */
- if ( !empty( $wp_rewrite->author_base ) )
- $path .= $wp_rewrite->author_base;
- /* If $path exists, check for parent pages. */
- if ( !empty( $path ) )
- $trail = array_merge( $trail, avia_breadcrumbs_get_parents( '', $path ) );
- /* Add the author's display name to the trail end. */
- $trail['trail_end'] = apply_filters('avf_author_name', get_the_author_meta('display_name', get_query_var('author')), get_query_var('author'));
- }
- /* If viewing a time-based archive. */
- elseif ( is_time() ) {
- if ( get_query_var( 'minute' ) && get_query_var( 'hour' ) )
- $trail['trail_end'] = get_the_time( __( 'g:i a', 'avia_framework' ) );
- elseif ( get_query_var( 'minute' ) )
- $trail['trail_end'] = sprintf( __( 'Minute %1$s', 'avia_framework' ), get_the_time( __( 'i', 'avia_framework' ) ) );
- elseif ( get_query_var( 'hour' ) )
- $trail['trail_end'] = get_the_time( __( 'g a', 'avia_framework' ) );
- }
- /* If viewing a date-based archive. */
- elseif ( is_date() ) {
- /* If $front has been set, check for parent pages. */
- if ( $wp_rewrite->front )
- $trail = array_merge( $trail, avia_breadcrumbs_get_parents( '', $wp_rewrite->front ) );
- if ( is_day() ) {
- $trail[] = '<a href="' . get_year_link( get_the_time( 'Y' ) ) . '" title="' . get_the_time( esc_attr__( 'Y', 'avia_framework' ) ) . '">' . get_the_time( __( 'Y', 'avia_framework' ) ) . '</a>';
- $trail[] = '<a href="' . get_month_link( get_the_time( 'Y' ), get_the_time( 'm' ) ) . '" title="' . get_the_time( esc_attr__( 'F', 'avia_framework' ) ) . '">' . get_the_time( __( 'F', 'avia_framework' ) ) . '</a>';
- $trail['trail_end'] = get_the_time( __( 'j', 'avia_framework' ) );
- }
- elseif ( get_query_var( 'w' ) ) {
- $trail[] = '<a href="' . get_year_link( get_the_time( 'Y' ) ) . '" title="' . get_the_time( esc_attr__( 'Y', 'avia_framework' ) ) . '">' . get_the_time( __( 'Y', 'avia_framework' ) ) . '</a>';
- $trail['trail_end'] = sprintf( __( 'Week %1$s', 'avia_framework' ), get_the_time( esc_attr__( 'W', 'avia_framework' ) ) );
- }
- elseif ( is_month() ) {
- $trail[] = '<a href="' . get_year_link( get_the_time( 'Y' ) ) . '" title="' . get_the_time( esc_attr__( 'Y', 'avia_framework' ) ) . '">' . get_the_time( __( 'Y', 'avia_framework' ) ) . '</a>';
- $trail['trail_end'] = get_the_time( __( 'F', 'avia_framework' ) );
- }
- elseif ( is_year() ) {
- $trail['trail_end'] = get_the_time( __( 'Y', 'avia_framework' ) );
- }
- }
- }
- /* If viewing search results. */
- elseif ( is_search() )
- $trail['trail_end'] = sprintf( __( 'Search results for "%1$s"', 'avia_framework' ), esc_attr( get_search_query() ) );
- /* If viewing a 404 error page. */
- elseif ( is_404() )
- $trail['trail_end'] = __( '404 Not Found', 'avia_framework' );
- /* Allow child themes/plugins to filter the trail array. */
- $trail = apply_filters( 'avia_breadcrumbs_trail', $trail, $args );
- /* Connect the breadcrumb trail if there are items in the trail. */
- if ( is_array( $trail ) ) {
- $el_tag = "span";
- $vocabulary = "";
- //google rich snippets
- if($richsnippet === true)
- {
- if(is_ssl()){
- $vocabulary = 'xmlns:v="https://rdf.data-vocabulary.org/#"';
- }
- else{
- $vocabulary = 'xmlns:v="http://rdf.data-vocabulary.org/#"';
- }
- }
- /* Open the breadcrumb trail containers. */
- $breadcrumb = '<div class="breadcrumb breadcrumbs avia-breadcrumbs"><div class="breadcrumb-trail" '.$vocabulary.'>';
- /* If $before was set, wrap it in a container. */
- if ( !empty( $before ) )
- $breadcrumb .= '<'.$el_tag.' class="trail-before">' . $before . '</'.$el_tag.'> ';
- /* Wrap the $trail['trail_end'] value in a container. */
- if ( !empty( $trail['trail_end'] ) )
- {
- if(!is_search())
- {
- $trail['trail_end'] = avia_backend_truncate($trail['trail_end'], $truncate, " ", $pad="...", false, '<strong><em><span>', true);
- }
- $trail['trail_end'] = '<'.$el_tag.' class="trail-end">' . $trail['trail_end'] . '</'.$el_tag.'>';
- }
- if($richsnippet === true)
- {
- foreach($trail as $key => &$link)
- {
- if("trail_end" == $key) continue;
- $link = preg_replace('!rel=".+?"|rel=\'.+?\'|!',"", $link);
- $link = str_replace('<a ', '<a rel="v:url" property="v:title" ', $link);
- //$link = '<span typeof="v:Breadcrumb">'.$link.'</span>'; //removed due to data testing error
- $link = '<span>'.$link.'</span>';
- }
- }
- /* Format the separator. */
- if ( !empty( $separator ) )
- $separator = '<span class="sep">' . $separator . '</span>';
- /* Join the individual trail items into a single string. */
- $breadcrumb .= join( " {$separator} ", $trail );
- /* If $after was set, wrap it in a container. */
- if ( !empty( $after ) )
- $breadcrumb .= ' <span class="trail-after">' . $after . '</span>';
- /* Close the breadcrumb trail containers. */
- $breadcrumb .= '</div></div>';
- }
- /* Allow developers to filter the breadcrumb trail HTML. */
- $breadcrumb = apply_filters( 'avia_breadcrumbs', $breadcrumb );
- /* Output the breadcrumb. */
- if ( $echo )
- echo $breadcrumb;
- else
- return $breadcrumb;
- } // End avia_breadcrumbs()
- /*-----------------------------------------------------------------------------------*/
- /* avia_breadcrumbs_get_parents() - Retrieve the parents of the current page/post */
- /*-----------------------------------------------------------------------------------*/
- /**
- * Gets parent pages of any post type or taxonomy by the ID or Path. The goal of this function is to create
- * a clear path back to home given what would normally be a "ghost" directory. If any page matches the given
- * path, it'll be added. But, it's also just a way to check for a hierarchy with hierarchical post types.
- *
- * @since 3.7.0
- * @param int $post_id ID of the post whose parents we want.
- * @param string $path Path of a potential parent page.
- * @return array $trail Array of parent page links.
- */
- function avia_breadcrumbs_get_parents( $post_id = '', $path = '' ) {
- /* Set up an empty trail array. */
- $trail = array();
- /* If neither a post ID nor path set, return an empty array. */
- if ( empty( $post_id ) && empty( $path ) )
- return $trail;
- /* If the post ID is empty, use the path to get the ID. */
- if ( empty( $post_id ) ) {
- /* Get parent post by the path. */
- $parent_page = get_page_by_path( $path );
- /* ********************************************************************
- Modification: The above line won't get the parent page if
- the post type slug or parent page path is not the full path as required
- by get_page_by_path. By using get_page_with_title, the full parent
- trail can be obtained. This may still be buggy for page names that use
- characters or long concatenated names.
- Author: Byron Rode
- Date: 06 June 2011
- ******************************************************************* */
- if( empty( $parent_page ) )
- // search on page name (single word)
- $parent_page = get_page_by_title ( $path );
- if( empty( $parent_page ) )
- // search on page title (multiple words)
- $parent_page = get_page_by_title ( str_replace( array('-', '_'), ' ', $path ) );
- /* End Modification */
- /* If a parent post is found, set the $post_id variable to it. */
- if ( !empty( $parent_page ) )
- $post_id = $parent_page->ID;
- }
- /* If a post ID and path is set, search for a post by the given path. */
- if ( $post_id == 0 && !empty( $path ) ) {
- /* Separate post names into separate paths by '/'. */
- $path = trim( $path, '/' );
- preg_match_all( "/\/.*?\z/", $path, $matches );
- /* If matches are found for the path. */
- if ( isset( $matches ) ) {
- /* Reverse the array of matches to search for posts in the proper order. */
- $matches = array_reverse( $matches );
- /* Loop through each of the path matches. */
- foreach ( $matches as $match ) {
- /* If a match is found. */
- if ( isset( $match[0] ) ) {
- /* Get the parent post by the given path. */
- $path = str_replace( $match[0], '', $path );
- $parent_page = get_page_by_path( trim( $path, '/' ) );
- /* If a parent post is found, set the $post_id and break out of the loop. */
- if ( !empty( $parent_page ) && $parent_page->ID > 0 ) {
- $post_id = $parent_page->ID;
- break;
- }
- }
- }
- }
- }
- /* While there's a post ID, add the post link to the $parents array. */
- while ( $post_id ) {
- /* Get the post by ID. */
- $page = get_page( $post_id );
- /* Add the formatted post link to the array of parents. */
- $parents[] = '<a href="' . get_permalink( $post_id ) . '" title="' . esc_attr( get_the_title( $post_id ) ) . '">' . get_the_title( $post_id ) . '</a>';
- /* Set the parent post's parent to the post ID. */
- if(is_object($page))
- {
- $post_id = $page->post_parent;
- }
- else
- {
- $post_id = "";
- }
- }
- /* If we have parent posts, reverse the array to put them in the proper order for the trail. */
- if ( isset( $parents ) )
- $trail = array_reverse( $parents );
- /* Return the trail of parent posts. */
- return $trail;
- } // End avia_breadcrumbs_get_parents()
- /*-----------------------------------------------------------------------------------*/
- /* avia_breadcrumbs_get_term_parents() - Retrieve the parents of the current term */
- /*-----------------------------------------------------------------------------------*/
- /**
- * Searches for term parents of hierarchical taxonomies. This function is similar to the WordPress
- * function get_category_parents() but handles any type of taxonomy.
- *
- * @since 3.7.0
- * @param int $parent_id The ID of the first parent.
- * @param object|string $taxonomy The taxonomy of the term whose parents we want.
- * @return array $trail Array of links to parent terms.
- */
- function avia_breadcrumbs_get_term_parents( $parent_id = '', $taxonomy = '' ) {
- /* Set up some default arrays. */
- $trail = array();
- $parents = array();
- /* If no term parent ID or taxonomy is given, return an empty array. */
- if ( empty( $parent_id ) || empty( $taxonomy ) )
- return $trail;
- /* While there is a parent ID, add the parent term link to the $parents array. */
- while ( $parent_id ) {
- /* Get the parent term. */
- $parent = get_term( $parent_id, $taxonomy );
- /* Add the formatted term link to the array of parent terms. */
- $parents[] = '<a href="' . get_term_link( $parent, $taxonomy ) . '" title="' . esc_attr( $parent->name ) . '">' . $parent->name . '</a>';
- /* Set the parent term's parent as the parent ID. */
- $parent_id = $parent->parent;
- }
- /* If we have parent terms, reverse the array to put them in the proper order for the trail. */
- if ( !empty( $parents ) )
- $trail = array_reverse( $parents );
- /* Return the trail of parent terms. */
- return $trail;
- } // End avia_breadcrumbs_get_term_parents()
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