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Includes minor code layout fixes for better readability. See #48303. Built from https://develop.svn.wordpress.org/trunk@47122 git-svn-id: http://core.svn.wordpress.org/trunk@46922 1a063a9b-81f0-0310-95a4-ce76da25c4cd
791 lines
22 KiB
PHP
791 lines
22 KiB
PHP
<?php
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/**
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* Custom template tags for this theme.
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*
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* @package WordPress
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* @subpackage Twenty_Twenty
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* @since Twenty Twenty 1.0
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*/
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/**
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* Table of Contents:
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* Logo & Description
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* Comments
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* Post Meta
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* Menus
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* Classes
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* Archives
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* Miscellaneous
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*/
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/**
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* Logo & Description
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*/
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/**
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* Displays the site logo, either text or image.
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*
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* @param array $args Arguments for displaying the site logo either as an image or text.
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* @param boolean $echo Echo or return the HTML.
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*
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* @return string $html Compiled HTML based on our arguments.
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*/
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function twentytwenty_site_logo( $args = array(), $echo = true ) {
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$logo = get_custom_logo();
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$site_title = get_bloginfo( 'name' );
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$contents = '';
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$classname = '';
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$defaults = array(
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'logo' => '%1$s<span class="screen-reader-text">%2$s</span>',
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'logo_class' => 'site-logo',
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'title' => '<a href="%1$s">%2$s</a>',
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'title_class' => 'site-title',
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'home_wrap' => '<h1 class="%1$s">%2$s</h1>',
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'single_wrap' => '<div class="%1$s faux-heading">%2$s</div>',
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'condition' => ( is_front_page() || is_home() ) && ! is_page(),
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);
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$args = wp_parse_args( $args, $defaults );
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/**
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* Filters the arguments for `twentytwenty_site_logo()`.
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*
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* @param array $args Parsed arguments.
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* @param array $defaults Function's default arguments.
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*/
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$args = apply_filters( 'twentytwenty_site_logo_args', $args, $defaults );
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if ( has_custom_logo() ) {
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$contents = sprintf( $args['logo'], $logo, esc_html( $site_title ) );
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$classname = $args['logo_class'];
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} else {
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$contents = sprintf( $args['title'], esc_url( get_home_url( null, '/' ) ), esc_html( $site_title ) );
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$classname = $args['title_class'];
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}
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$wrap = $args['condition'] ? 'home_wrap' : 'single_wrap';
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$html = sprintf( $args[ $wrap ], $classname, $contents );
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/**
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* Filters the arguments for `twentytwenty_site_logo()`.
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*
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* @param string $html Compiled html based on our arguments.
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* @param array $args Parsed arguments.
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* @param string $classname Class name based on current view, home or single.
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* @param string $contents HTML for site title or logo.
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*/
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$html = apply_filters( 'twentytwenty_site_logo', $html, $args, $classname, $contents );
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if ( ! $echo ) {
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return $html;
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}
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echo $html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
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}
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/**
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* Displays the site description.
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*
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* @param boolean $echo Echo or return the html.
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*
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* @return string $html The HTML to display.
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*/
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function twentytwenty_site_description( $echo = true ) {
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$description = get_bloginfo( 'description' );
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if ( ! $description ) {
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return;
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}
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$wrapper = '<div class="site-description">%s</div><!-- .site-description -->';
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$html = sprintf( $wrapper, esc_html( $description ) );
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/**
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* Filters the html for the site description.
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*
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* @since Twenty Twenty 1.0
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*
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* @param string $html The HTML to display.
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* @param string $description Site description via `bloginfo()`.
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* @param string $wrapper The format used in case you want to reuse it in a `sprintf()`.
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*/
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$html = apply_filters( 'twentytwenty_site_description', $html, $description, $wrapper );
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if ( ! $echo ) {
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return $html;
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}
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echo $html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
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}
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/**
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* Comments
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*/
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/**
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* Check if the specified comment is written by the author of the post commented on.
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*
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* @param object $comment Comment data.
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*
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* @return bool
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*/
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function twentytwenty_is_comment_by_post_author( $comment = null ) {
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if ( is_object( $comment ) && $comment->user_id > 0 ) {
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$user = get_userdata( $comment->user_id );
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$post = get_post( $comment->comment_post_ID );
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if ( ! empty( $user ) && ! empty( $post ) ) {
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return $comment->user_id === $post->post_author;
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}
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}
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return false;
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}
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/**
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* Filter comment reply link to not JS scroll.
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* Filter the comment reply link to add a class indicating it should not use JS slow-scroll, as it
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* makes it scroll to the wrong position on the page.
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*
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* @param string $link Link to the top of the page.
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*
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* @return string $link Link to the top of the page.
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*/
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function twentytwenty_filter_comment_reply_link( $link ) {
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$link = str_replace( 'class=\'', 'class=\'do-not-scroll ', $link );
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return $link;
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}
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add_filter( 'comment_reply_link', 'twentytwenty_filter_comment_reply_link' );
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/**
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* Post Meta
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*/
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/**
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* Get and Output Post Meta.
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* If it's a single post, output the post meta values specified in the Customizer settings.
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*
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* @param int $post_id The ID of the post for which the post meta should be output.
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* @param string $location Which post meta location to output – single or preview.
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*/
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function twentytwenty_the_post_meta( $post_id = null, $location = 'single-top' ) {
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echo twentytwenty_get_post_meta( $post_id, $location ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Escaped in twentytwenty_get_post_meta().
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}
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/**
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* Filters the edit post link to add an icon and use the post meta structure.
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*
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* @param string $link Anchor tag for the edit link.
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* @param int $post_id Post ID.
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* @param string $text Anchor text.
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*/
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function twentytwenty_edit_post_link( $link, $post_id, $text ) {
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if ( is_admin() ) {
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return $link;
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}
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$edit_url = get_edit_post_link( $post_id );
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if ( ! $edit_url ) {
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return;
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}
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$text = sprintf(
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wp_kses(
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/* translators: %s: Post title. Only visible to screen readers. */
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__( 'Edit <span class="screen-reader-text">%s</span>', 'twentytwenty' ),
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array(
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'span' => array(
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'class' => array(),
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),
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)
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),
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get_the_title( $post_id )
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);
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return '<div class="post-meta-wrapper post-meta-edit-link-wrapper"><ul class="post-meta"><li class="post-edit meta-wrapper"><span class="meta-icon">' . twentytwenty_get_theme_svg( 'edit' ) . '</span><span class="meta-text"><a href="' . esc_url( $edit_url ) . '">' . $text . '</a></span></li></ul><!-- .post-meta --></div><!-- .post-meta-wrapper -->';
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}
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add_filter( 'edit_post_link', 'twentytwenty_edit_post_link', 10, 3 );
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/**
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* Get the post meta.
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*
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* @param int $post_id The ID of the post.
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* @param string $location The location where the meta is shown.
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*/
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function twentytwenty_get_post_meta( $post_id = null, $location = 'single-top' ) {
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// Require post ID.
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if ( ! $post_id ) {
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return;
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}
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/**
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* Filters post types array
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*
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* This filter can be used to hide post meta information of post, page or custom post type registerd by child themes or plugins
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*
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* @since Twenty Twenty 1.0
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*
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* @param array Array of post types
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*/
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$disallowed_post_types = apply_filters( 'twentytwenty_disallowed_post_types_for_meta_output', array( 'page' ) );
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// Check whether the post type is allowed to output post meta.
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if ( in_array( get_post_type( $post_id ), $disallowed_post_types, true ) ) {
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return;
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}
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$post_meta_wrapper_classes = '';
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$post_meta_classes = '';
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// Get the post meta settings for the location specified.
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if ( 'single-top' === $location ) {
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/**
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* Filters post meta info visibility
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*
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* Use this filter to hide post meta information like Author, Post date, Comments, Is sticky status
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*
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* @since Twenty Twenty 1.0
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*
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* @param array $args {
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* @type string 'author'
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* @type string 'post-date'
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* @type string 'comments'
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* @type string 'sticky'
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* }
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*/
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$post_meta = apply_filters(
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'twentytwenty_post_meta_location_single_top',
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array(
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'author',
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'post-date',
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'comments',
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'sticky',
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)
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);
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$post_meta_wrapper_classes = ' post-meta-single post-meta-single-top';
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} elseif ( 'single-bottom' === $location ) {
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/**
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* Filters post tags visibility
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*
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* Use this filter to hide post tags
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*
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* @since Twenty Twenty 1.0
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*
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* @param array $args {
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* @type string 'tags'
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* }
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*/
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$post_meta = apply_filters(
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'twentytwenty_post_meta_location_single_bottom',
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array(
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'tags',
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)
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);
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$post_meta_wrapper_classes = ' post-meta-single post-meta-single-bottom';
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}
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// If the post meta setting has the value 'empty', it's explicitly empty and the default post meta shouldn't be output.
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if ( $post_meta && ! in_array( 'empty', $post_meta, true ) ) {
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// Make sure we don't output an empty container.
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$has_meta = false;
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global $post;
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$the_post = get_post( $post_id );
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setup_postdata( $the_post );
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ob_start();
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?>
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<div class="post-meta-wrapper<?php echo esc_attr( $post_meta_wrapper_classes ); ?>">
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<ul class="post-meta<?php echo esc_attr( $post_meta_classes ); ?>">
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<?php
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/**
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* Fires before post meta html display.
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*
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* Allow output of additional post meta info to be added by child themes and plugins.
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*
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* @since Twenty Twenty 1.0
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* @since Twenty Twenty 1.1 Added the `$post_meta` and `$location` parameters.
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*
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* @param int $post_id Post ID.
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* @param array $post_meta An array of post meta information.
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* @param string $location The location where the meta is shown.
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* Accepts 'single-top' or 'single-bottom'.
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*/
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do_action( 'twentytwenty_start_of_post_meta_list', $post_id, $post_meta, $location );
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// Author.
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if ( in_array( 'author', $post_meta, true ) ) {
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$has_meta = true;
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?>
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<li class="post-author meta-wrapper">
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<span class="meta-icon">
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<span class="screen-reader-text"><?php _e( 'Post author', 'twentytwenty' ); ?></span>
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<?php twentytwenty_the_theme_svg( 'user' ); ?>
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</span>
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<span class="meta-text">
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<?php
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printf(
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/* translators: %s: Author name. */
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__( 'By %s', 'twentytwenty' ),
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'<a href="' . esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ) . '">' . esc_html( get_the_author_meta( 'display_name' ) ) . '</a>'
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);
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?>
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</span>
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</li>
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<?php
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}
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// Post date.
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if ( in_array( 'post-date', $post_meta, true ) ) {
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$has_meta = true;
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?>
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<li class="post-date meta-wrapper">
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<span class="meta-icon">
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<span class="screen-reader-text"><?php _e( 'Post date', 'twentytwenty' ); ?></span>
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<?php twentytwenty_the_theme_svg( 'calendar' ); ?>
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</span>
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<span class="meta-text">
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<a href="<?php the_permalink(); ?>"><?php the_time( get_option( 'date_format' ) ); ?></a>
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</span>
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</li>
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<?php
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}
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// Categories.
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if ( in_array( 'categories', $post_meta, true ) && has_category() ) {
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$has_meta = true;
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?>
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<li class="post-categories meta-wrapper">
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<span class="meta-icon">
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<span class="screen-reader-text"><?php _e( 'Categories', 'twentytwenty' ); ?></span>
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<?php twentytwenty_the_theme_svg( 'folder' ); ?>
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</span>
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<span class="meta-text">
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<?php _ex( 'In', 'A string that is output before one or more categories', 'twentytwenty' ); ?> <?php the_category( ', ' ); ?>
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</span>
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</li>
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<?php
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}
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// Tags.
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if ( in_array( 'tags', $post_meta, true ) && has_tag() ) {
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$has_meta = true;
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?>
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<li class="post-tags meta-wrapper">
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<span class="meta-icon">
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<span class="screen-reader-text"><?php _e( 'Tags', 'twentytwenty' ); ?></span>
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<?php twentytwenty_the_theme_svg( 'tag' ); ?>
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</span>
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<span class="meta-text">
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<?php the_tags( '', ', ', '' ); ?>
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</span>
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</li>
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<?php
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}
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// Comments link.
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if ( in_array( 'comments', $post_meta, true ) && ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
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$has_meta = true;
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?>
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<li class="post-comment-link meta-wrapper">
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<span class="meta-icon">
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<?php twentytwenty_the_theme_svg( 'comment' ); ?>
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</span>
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<span class="meta-text">
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<?php comments_popup_link(); ?>
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</span>
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</li>
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<?php
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}
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// Sticky.
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if ( in_array( 'sticky', $post_meta, true ) && is_sticky() ) {
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$has_meta = true;
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?>
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<li class="post-sticky meta-wrapper">
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<span class="meta-icon">
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<?php twentytwenty_the_theme_svg( 'bookmark' ); ?>
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</span>
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<span class="meta-text">
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<?php _e( 'Sticky post', 'twentytwenty' ); ?>
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</span>
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</li>
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<?php
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}
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/**
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* Fires after post meta html display.
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*
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* Allow output of additional post meta info to be added by child themes and plugins.
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*
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* @since Twenty Twenty 1.0
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* @since Twenty Twenty 1.1 Added the `$post_meta` and `$location` parameters.
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*
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* @param int $post_id Post ID.
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* @param array $post_meta An array of post meta information.
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* @param string $location The location where the meta is shown.
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* Accepts 'single-top' or 'single-bottom'.
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*/
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do_action( 'twentytwenty_end_of_post_meta_list', $post_id, $post_meta, $location );
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?>
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</ul><!-- .post-meta -->
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</div><!-- .post-meta-wrapper -->
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<?php
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wp_reset_postdata();
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$meta_output = ob_get_clean();
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// If there is meta to output, return it.
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if ( $has_meta && $meta_output ) {
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return $meta_output;
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}
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}
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}
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/**
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* Menus
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*/
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/**
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* Filter Classes of wp_list_pages items to match menu items.
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* Filter the class applied to wp_list_pages() items with children to match the menu class, to simplify.
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* styling of sub levels in the fallback. Only applied if the match_menu_classes argument is set.
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*
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* @param array $css_class CSS Class names.
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* @param string $item Comment.
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* @param int $depth Depth of the current comment.
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* @param array $args An array of arguments.
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* @param string $current_page Whether or not the item is the current item.
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*
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* @return array $css_class CSS Class names.
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*/
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function twentytwenty_filter_wp_list_pages_item_classes( $css_class, $item, $depth, $args, $current_page ) {
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// Only apply to wp_list_pages() calls with match_menu_classes set to true.
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$match_menu_classes = isset( $args['match_menu_classes'] );
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if ( ! $match_menu_classes ) {
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return $css_class;
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}
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// Add current menu item class.
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if ( in_array( 'current_page_item', $css_class, true ) ) {
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$css_class[] = 'current-menu-item';
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}
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// Add menu item has children class.
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if ( in_array( 'page_item_has_children', $css_class, true ) ) {
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$css_class[] = 'menu-item-has-children';
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}
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|
||
return $css_class;
|
||
|
||
}
|
||
|
||
add_filter( 'page_css_class', 'twentytwenty_filter_wp_list_pages_item_classes', 10, 5 );
|
||
|
||
/**
|
||
* Add a Sub Nav Toggle to the Expanded Menu and Mobile Menu.
|
||
*
|
||
* @param stdClass $args An array of arguments.
|
||
* @param string $item Menu item.
|
||
* @param int $depth Depth of the current menu item.
|
||
*
|
||
* @return stdClass $args An object of wp_nav_menu() arguments.
|
||
*/
|
||
function twentytwenty_add_sub_toggles_to_main_menu( $args, $item, $depth ) {
|
||
|
||
// Add sub menu toggles to the Expanded Menu with toggles.
|
||
if ( isset( $args->show_toggles ) && $args->show_toggles ) {
|
||
|
||
// Wrap the menu item link contents in a div, used for positioning.
|
||
$args->before = '<div class="ancestor-wrapper">';
|
||
$args->after = '';
|
||
|
||
// Add a toggle to items with children.
|
||
if ( in_array( 'menu-item-has-children', $item->classes, true ) ) {
|
||
|
||
$toggle_target_string = '.menu-modal .menu-item-' . $item->ID . ' > .sub-menu';
|
||
$toggle_duration = twentytwenty_toggle_duration();
|
||
|
||
// Add the sub menu toggle.
|
||
$args->after .= '<button class="toggle sub-menu-toggle fill-children-current-color" data-toggle-target="' . $toggle_target_string . '" data-toggle-type="slidetoggle" data-toggle-duration="' . absint( $toggle_duration ) . '" aria-expanded="false"><span class="screen-reader-text">' . __( 'Show sub menu', 'twentytwenty' ) . '</span>' . twentytwenty_get_theme_svg( 'chevron-down' ) . '</button>';
|
||
|
||
}
|
||
|
||
// Close the wrapper.
|
||
$args->after .= '</div><!-- .ancestor-wrapper -->';
|
||
|
||
// Add sub menu icons to the primary menu without toggles.
|
||
} elseif ( 'primary' === $args->theme_location ) {
|
||
if ( in_array( 'menu-item-has-children', $item->classes, true ) ) {
|
||
$args->after = '<span class="icon"></span>';
|
||
} else {
|
||
$args->after = '';
|
||
}
|
||
}
|
||
|
||
return $args;
|
||
|
||
}
|
||
|
||
add_filter( 'nav_menu_item_args', 'twentytwenty_add_sub_toggles_to_main_menu', 10, 3 );
|
||
|
||
/**
|
||
* Display SVG icons in social links menu.
|
||
*
|
||
* @param string $item_output The menu item output.
|
||
* @param WP_Post $item Menu item object.
|
||
* @param int $depth Depth of the menu.
|
||
* @param array $args wp_nav_menu() arguments.
|
||
* @return string $item_output The menu item output with social icon.
|
||
*/
|
||
function twentytwenty_nav_menu_social_icons( $item_output, $item, $depth, $args ) {
|
||
// Change SVG icon inside social links menu if there is supported URL.
|
||
if ( 'social' === $args->theme_location ) {
|
||
$svg = TwentyTwenty_SVG_Icons::get_social_link_svg( $item->url );
|
||
if ( empty( $svg ) ) {
|
||
$svg = twentytwenty_get_theme_svg( 'link' );
|
||
}
|
||
$item_output = str_replace( $args->link_after, '</span>' . $svg, $item_output );
|
||
}
|
||
|
||
return $item_output;
|
||
}
|
||
|
||
add_filter( 'walker_nav_menu_start_el', 'twentytwenty_nav_menu_social_icons', 10, 4 );
|
||
|
||
/**
|
||
* Classes
|
||
*/
|
||
/**
|
||
* Add No-JS Class.
|
||
* If we're missing JavaScript support, the HTML element will have a no-js class.
|
||
*/
|
||
function twentytwenty_no_js_class() {
|
||
|
||
?>
|
||
<script>document.documentElement.className = document.documentElement.className.replace( 'no-js', 'js' );</script>
|
||
<?php
|
||
|
||
}
|
||
|
||
add_action( 'wp_head', 'twentytwenty_no_js_class' );
|
||
|
||
/**
|
||
* Add conditional body classes.
|
||
*
|
||
* @param array $classes Classes added to the body tag.
|
||
*
|
||
* @return array $classes Classes added to the body tag.
|
||
*/
|
||
function twentytwenty_body_classes( $classes ) {
|
||
|
||
global $post;
|
||
$post_type = isset( $post ) ? $post->post_type : false;
|
||
|
||
// Check whether we're singular.
|
||
if ( is_singular() ) {
|
||
$classes[] = 'singular';
|
||
}
|
||
|
||
// Check whether the current page should have an overlay header.
|
||
if ( is_page_template( array( 'templates/template-cover.php' ) ) ) {
|
||
$classes[] = 'overlay-header';
|
||
}
|
||
|
||
// Check whether the current page has full-width content.
|
||
if ( is_page_template( array( 'templates/template-full-width.php' ) ) ) {
|
||
$classes[] = 'has-full-width-content';
|
||
}
|
||
|
||
// Check for enabled search.
|
||
if ( true === get_theme_mod( 'enable_header_search', true ) ) {
|
||
$classes[] = 'enable-search-modal';
|
||
}
|
||
|
||
// Check for post thumbnail.
|
||
if ( is_singular() && has_post_thumbnail() ) {
|
||
$classes[] = 'has-post-thumbnail';
|
||
} elseif ( is_singular() ) {
|
||
$classes[] = 'missing-post-thumbnail';
|
||
}
|
||
|
||
// Check whether we're in the customizer preview.
|
||
if ( is_customize_preview() ) {
|
||
$classes[] = 'customizer-preview';
|
||
}
|
||
|
||
// Check if posts have single pagination.
|
||
if ( is_single() && ( get_next_post() || get_previous_post() ) ) {
|
||
$classes[] = 'has-single-pagination';
|
||
} else {
|
||
$classes[] = 'has-no-pagination';
|
||
}
|
||
|
||
// Check if we're showing comments.
|
||
if ( $post && ( ( 'post' === $post_type || comments_open() || get_comments_number() ) && ! post_password_required() ) ) {
|
||
$classes[] = 'showing-comments';
|
||
} else {
|
||
$classes[] = 'not-showing-comments';
|
||
}
|
||
|
||
// Check if avatars are visible.
|
||
$classes[] = get_option( 'show_avatars' ) ? 'show-avatars' : 'hide-avatars';
|
||
|
||
// Slim page template class names (class = name - file suffix).
|
||
if ( is_page_template() ) {
|
||
$classes[] = basename( get_page_template_slug(), '.php' );
|
||
}
|
||
|
||
// Check for the elements output in the top part of the footer.
|
||
$has_footer_menu = has_nav_menu( 'footer' );
|
||
$has_social_menu = has_nav_menu( 'social' );
|
||
$has_sidebar_1 = is_active_sidebar( 'sidebar-1' );
|
||
$has_sidebar_2 = is_active_sidebar( 'sidebar-2' );
|
||
|
||
// Add a class indicating whether those elements are output.
|
||
if ( $has_footer_menu || $has_social_menu || $has_sidebar_1 || $has_sidebar_2 ) {
|
||
$classes[] = 'footer-top-visible';
|
||
} else {
|
||
$classes[] = 'footer-top-hidden';
|
||
}
|
||
|
||
// Get header/footer background color.
|
||
$header_footer_background = get_theme_mod( 'header_footer_background_color', '#ffffff' );
|
||
$header_footer_background = strtolower( '#' . ltrim( $header_footer_background, '#' ) );
|
||
|
||
// Get content background color.
|
||
$background_color = get_theme_mod( 'background_color', 'f5efe0' );
|
||
$background_color = strtolower( '#' . ltrim( $background_color, '#' ) );
|
||
|
||
// Add extra class if main background and header/footer background are the same color.
|
||
if ( $background_color === $header_footer_background ) {
|
||
$classes[] = 'reduced-spacing';
|
||
}
|
||
|
||
return $classes;
|
||
|
||
}
|
||
|
||
add_filter( 'body_class', 'twentytwenty_body_classes' );
|
||
|
||
/**
|
||
* Archives
|
||
*/
|
||
/**
|
||
* Filters the archive title and styles the word before the first colon.
|
||
*
|
||
* @param string $title Current archive title.
|
||
*
|
||
* @return string $title Current archive title.
|
||
*/
|
||
function twentytwenty_get_the_archive_title( $title ) {
|
||
|
||
$regex = apply_filters(
|
||
'twentytwenty_get_the_archive_title_regex',
|
||
array(
|
||
'pattern' => '/(\A[^\:]+\:)/',
|
||
'replacement' => '<span class="color-accent">$1</span>',
|
||
)
|
||
);
|
||
|
||
if ( empty( $regex ) ) {
|
||
|
||
return $title;
|
||
|
||
}
|
||
|
||
return preg_replace( $regex['pattern'], $regex['replacement'], $title );
|
||
|
||
}
|
||
|
||
add_filter( 'get_the_archive_title', 'twentytwenty_get_the_archive_title' );
|
||
|
||
/**
|
||
* Miscellaneous
|
||
*/
|
||
/**
|
||
* Toggle animation duration in milliseconds.
|
||
*
|
||
* @return integer Duration in milliseconds
|
||
*/
|
||
function twentytwenty_toggle_duration() {
|
||
/**
|
||
* Filters the animation duration/speed used usually for submenu toggles.
|
||
*
|
||
* @since Twenty Twenty 1.0
|
||
*
|
||
* @param integer $duration Duration in milliseconds.
|
||
*/
|
||
$duration = apply_filters( 'twentytwenty_toggle_duration', 250 );
|
||
|
||
return $duration;
|
||
}
|
||
|
||
/**
|
||
* Get unique ID.
|
||
*
|
||
* This is a PHP implementation of Underscore's uniqueId method. A static variable
|
||
* contains an integer that is incremented with each call. This number is returned
|
||
* with the optional prefix. As such the returned value is not universally unique,
|
||
* but it is unique across the life of the PHP process.
|
||
*
|
||
* @see wp_unique_id() Themes requiring WordPress 5.0.3 and greater should use this instead.
|
||
*
|
||
* @staticvar int $id_counter
|
||
*
|
||
* @param string $prefix Prefix for the returned ID.
|
||
* @return string Unique ID.
|
||
*/
|
||
function twentytwenty_unique_id( $prefix = '' ) {
|
||
static $id_counter = 0;
|
||
if ( function_exists( 'wp_unique_id' ) ) {
|
||
return wp_unique_id( $prefix );
|
||
}
|
||
return $prefix . (string) ++$id_counter;
|
||
}
|