270 lines
8.3 KiB
PHP
270 lines
8.3 KiB
PHP
<?php
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/**
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* Custom template tags for Twenty Fifteen
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*
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* Eventually, some of the functionality here could be replaced by core features.
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*
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* @package WordPress
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* @subpackage Twenty_Fifteen
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* @since Twenty Fifteen 1.0
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*/
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if ( ! function_exists( 'twentyfifteen_comment_nav' ) ) :
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/**
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* Display navigation to next/previous comments when applicable.
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*
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* @since Twenty Fifteen 1.0
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*/
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function twentyfifteen_comment_nav() {
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// Are there comments to navigate through?
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if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) :
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?>
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<nav class="navigation comment-navigation" role="navigation">
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<h2 class="screen-reader-text"><?php _e( 'Comment navigation', 'twentyfifteen' ); ?></h2>
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<div class="nav-links">
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<?php
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if ( $prev_link = get_previous_comments_link( __( 'Older Comments', 'twentyfifteen' ) ) ) :
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printf( '<div class="nav-previous">%s</div>', $prev_link );
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endif;
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if ( $next_link = get_next_comments_link( __( 'Newer Comments', 'twentyfifteen' ) ) ) :
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printf( '<div class="nav-next">%s</div>', $next_link );
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endif;
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?>
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</div><!-- .nav-links -->
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</nav><!-- .comment-navigation -->
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<?php
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endif;
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}
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endif;
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if ( ! function_exists( 'twentyfifteen_entry_meta' ) ) :
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/**
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* Prints HTML with meta information for the categories, tags.
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*
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* @since Twenty Fifteen 1.0
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*/
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function twentyfifteen_entry_meta() {
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if ( is_sticky() && is_home() && ! is_paged() ) {
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printf( '<span class="sticky-post">%s</span>', __( 'Featured', 'twentyfifteen' ) );
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}
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$format = get_post_format();
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if ( current_theme_supports( 'post-formats', $format ) ) {
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printf(
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'<span class="entry-format">%1$s<a href="%2$s">%3$s</a></span>',
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sprintf( '<span class="screen-reader-text">%s </span>', _x( 'Format', 'Used before post format.', 'twentyfifteen' ) ),
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esc_url( get_post_format_link( $format ) ),
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get_post_format_string( $format )
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);
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}
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if ( in_array( get_post_type(), array( 'post', 'attachment' ) ) ) {
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$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
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if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
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$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
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}
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$time_string = sprintf(
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$time_string,
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esc_attr( get_the_date( 'c' ) ),
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get_the_date(),
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esc_attr( get_the_modified_date( 'c' ) ),
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get_the_modified_date()
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);
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printf(
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'<span class="posted-on"><span class="screen-reader-text">%1$s </span><a href="%2$s" rel="bookmark">%3$s</a></span>',
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_x( 'Posted on', 'Used before publish date.', 'twentyfifteen' ),
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esc_url( get_permalink() ),
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$time_string
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);
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}
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if ( 'post' == get_post_type() ) {
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if ( is_singular() || is_multi_author() ) {
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printf(
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'<span class="byline"><span class="author vcard"><span class="screen-reader-text">%1$s </span><a class="url fn n" href="%2$s">%3$s</a></span></span>',
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_x( 'Author', 'Used before post author name.', 'twentyfifteen' ),
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esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
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get_the_author()
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);
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}
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$categories_list = get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfifteen' ) );
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if ( $categories_list && twentyfifteen_categorized_blog() ) {
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printf(
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'<span class="cat-links"><span class="screen-reader-text">%1$s </span>%2$s</span>',
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_x( 'Categories', 'Used before category names.', 'twentyfifteen' ),
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$categories_list
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);
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}
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$tags_list = get_the_tag_list( '', _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfifteen' ) );
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if ( $tags_list && ! is_wp_error( $tags_list ) ) {
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printf(
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'<span class="tags-links"><span class="screen-reader-text">%1$s </span>%2$s</span>',
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_x( 'Tags', 'Used before tag names.', 'twentyfifteen' ),
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$tags_list
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);
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}
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}
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if ( is_attachment() && wp_attachment_is_image() ) {
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// Retrieve attachment metadata.
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$metadata = wp_get_attachment_metadata();
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printf(
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'<span class="full-size-link"><span class="screen-reader-text">%1$s </span><a href="%2$s">%3$s × %4$s</a></span>',
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_x( 'Full size', 'Used before full size attachment link.', 'twentyfifteen' ),
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esc_url( wp_get_attachment_url() ),
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$metadata['width'],
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$metadata['height']
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);
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}
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if ( ! is_single() && ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
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echo '<span class="comments-link">';
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/* translators: %s: post title */
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comments_popup_link( sprintf( __( 'Leave a comment<span class="screen-reader-text"> on %s</span>', 'twentyfifteen' ), get_the_title() ) );
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echo '</span>';
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}
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}
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endif;
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/**
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* Determine whether blog/site has more than one category.
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*
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* @since Twenty Fifteen 1.0
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*
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* @return bool True of there is more than one category, false otherwise.
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*/
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function twentyfifteen_categorized_blog() {
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if ( false === ( $all_the_cool_cats = get_transient( 'twentyfifteen_categories' ) ) ) {
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// Create an array of all the categories that are attached to posts.
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$all_the_cool_cats = get_categories(
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array(
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'fields' => 'ids',
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'hide_empty' => 1,
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// We only need to know if there is more than one category.
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'number' => 2,
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)
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);
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// Count the number of categories that are attached to the posts.
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$all_the_cool_cats = count( $all_the_cool_cats );
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set_transient( 'twentyfifteen_categories', $all_the_cool_cats );
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}
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if ( $all_the_cool_cats > 1 || is_preview() ) {
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// This blog has more than 1 category so twentyfifteen_categorized_blog should return true.
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return true;
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} else {
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// This blog has only 1 category so twentyfifteen_categorized_blog should return false.
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return false;
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}
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}
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/**
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* Flush out the transients used in {@see twentyfifteen_categorized_blog()}.
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*
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* @since Twenty Fifteen 1.0
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*/
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function twentyfifteen_category_transient_flusher() {
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// Like, beat it. Dig?
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delete_transient( 'twentyfifteen_categories' );
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}
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add_action( 'edit_category', 'twentyfifteen_category_transient_flusher' );
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add_action( 'save_post', 'twentyfifteen_category_transient_flusher' );
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if ( ! function_exists( 'twentyfifteen_post_thumbnail' ) ) :
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/**
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* Display an optional post thumbnail.
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*
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* Wraps the post thumbnail in an anchor element on index views, or a div
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* element when on single views.
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*
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* @since Twenty Fifteen 1.0
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*/
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function twentyfifteen_post_thumbnail() {
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if ( post_password_required() || is_attachment() || ! has_post_thumbnail() ) {
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return;
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}
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if ( is_singular() ) :
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?>
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<div class="post-thumbnail">
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<?php the_post_thumbnail(); ?>
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</div><!-- .post-thumbnail -->
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<?php else : ?>
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<a class="post-thumbnail" href="<?php the_permalink(); ?>" aria-hidden="true">
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<?php
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the_post_thumbnail( 'post-thumbnail', array( 'alt' => get_the_title() ) );
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?>
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</a>
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<?php
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endif; // End is_singular()
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}
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endif;
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if ( ! function_exists( 'twentyfifteen_get_link_url' ) ) :
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/**
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* Return the post URL.
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*
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* Falls back to the post permalink if no URL is found in the post.
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*
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* @since Twenty Fifteen 1.0
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*
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* @see get_url_in_content()
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*
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* @return string The Link format URL.
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*/
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function twentyfifteen_get_link_url() {
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$has_url = get_url_in_content( get_the_content() );
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return $has_url ? $has_url : apply_filters( 'the_permalink', get_permalink() );
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}
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endif;
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if ( ! function_exists( 'twentyfifteen_excerpt_more' ) && ! is_admin() ) :
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/**
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* Replaces "[...]" (appended to automatically generated excerpts) with ... and a 'Continue reading' link.
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*
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* @since Twenty Fifteen 1.0
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*
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* @return string 'Continue reading' link prepended with an ellipsis.
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*/
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function twentyfifteen_excerpt_more( $more ) {
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$link = sprintf(
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'<a href="%1$s" class="more-link">%2$s</a>',
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esc_url( get_permalink( get_the_ID() ) ),
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/* translators: %s: Name of current post */
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sprintf( __( 'Continue reading %s', 'twentyfifteen' ), '<span class="screen-reader-text">' . get_the_title( get_the_ID() ) . '</span>' )
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);
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return ' … ' . $link;
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}
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add_filter( 'excerpt_more', 'twentyfifteen_excerpt_more' );
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endif;
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if ( ! function_exists( 'twentyfifteen_the_custom_logo' ) ) :
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/**
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* Displays the optional custom logo.
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*
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* Does nothing if the custom logo is not available.
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*
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* @since Twenty Fifteen 1.5
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*/
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function twentyfifteen_the_custom_logo() {
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if ( function_exists( 'the_custom_logo' ) ) {
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the_custom_logo();
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}
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}
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endif;
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