diff options
Diffstat (limited to 'plugins/jetpack/modules/widgets/authors.php')
| -rw-r--r-- | plugins/jetpack/modules/widgets/authors.php | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/widgets/authors.php b/plugins/jetpack/modules/widgets/authors.php new file mode 100644 index 00000000..dfc78652 --- /dev/null +++ b/plugins/jetpack/modules/widgets/authors.php @@ -0,0 +1,271 @@ +<?php +/** + * Disable direct access/execution to/of the widget code. + */ +if ( ! defined( 'ABSPATH' ) ) { + exit; +} + +/** + * Widget to display blog authors with avatars and recent posts. + * + * Configurable parameters include: + * 1. Whether to display authors who haven't written any posts + * 2. The number of posts to be displayed per author (defaults to 0) + * 3. Avatar size + * + * @since 4.5.0 + */ +class Jetpack_Widget_Authors extends WP_Widget { + public function __construct() { + parent::__construct( + 'authors', + /** This filter is documented in modules/widgets/facebook-likebox.php */ + apply_filters( 'jetpack_widget_name', __( 'Authors', 'jetpack' ) ), + array( + 'classname' => 'widget_authors', + 'description' => __( 'Display blogs authors with avatars and recent posts.', 'jetpack' ), + 'customize_selective_refresh' => true, + ) + ); + + if ( is_active_widget( false, false, $this->id_base ) || is_active_widget( false, false, 'monster' ) || is_customize_preview() ) { + add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) ); + } + + add_action( 'publish_post', array( __CLASS__, 'flush_cache' ) ); + add_action( 'deleted_post', array( __CLASS__, 'flush_cache' ) ); + add_action( 'switch_theme', array( __CLASS__, 'flush_cache' ) ); + } + + /** + * Enqueue stylesheet to adapt the widget to various themes. + * + * @since 4.5.0 + */ + function enqueue_style() { + wp_register_style( 'jetpack-authors-widget', plugins_url( 'authors/style.css', __FILE__ ), array(), '20161228' ); + wp_enqueue_style( 'jetpack-authors-widget' ); + } + + public static function flush_cache() { + wp_cache_delete( 'widget_authors', 'widget' ); + wp_cache_delete( 'widget_authors_ssl', 'widget' ); + } + + public function widget( $args, $instance ) { + $cache_bucket = is_ssl() ? 'widget_authors_ssl' : 'widget_authors'; + + if ( '%BEG_OF_TITLE%' != $args['before_title'] ) { + if ( $output = wp_cache_get( $cache_bucket, 'widget' ) ) { + echo $output; + return; + } + + ob_start(); + } + + $instance = wp_parse_args( + $instance, array( + 'title' => __( 'Authors', 'jetpack' ), + 'all' => false, + 'number' => 5, + 'avatar_size' => 48, + ) + ); + $instance['number'] = min( 10, max( 0, (int) $instance['number'] ) ); + + // We need to query at least one post to determine whether an author has written any posts or not + $query_number = max( $instance['number'], 1 ); + + $default_excluded_authors = array(); + /** + * Filter authors from the Widget Authors widget. + * + * @module widgets + * + * @since 4.5.0 + * + * @param array $default_excluded_authors Array of user ID's that will be excluded + */ + $excluded_authors = apply_filters( 'jetpack_widget_authors_exclude', $default_excluded_authors ); + + $authors = get_users( + array( + 'fields' => 'all', + 'who' => 'authors', + 'exclude' => (array) $excluded_authors, + ) + ); + + echo $args['before_widget']; + /** This filter is documented in core/src/wp-includes/default-widgets.php */ + $title = apply_filters( 'widget_title', $instance['title'] ); + echo $args['before_title'] . esc_html( $title ) . $args['after_title']; + echo '<ul>'; + + $default_post_type = 'post'; + /** + * Filter types of posts that will be counted in the widget + * + * @module widgets + * + * @since 4.5.0 + * + * @param string|array $default_post_type type(s) of posts to count for the widget. + */ + $post_types = apply_filters( 'jetpack_widget_authors_post_types', $default_post_type ); + + foreach ( $authors as $author ) { + $r = new WP_Query( + array( + 'author' => $author->ID, + 'posts_per_page' => $query_number, + 'post_type' => $post_types, + 'post_status' => 'publish', + 'no_found_rows' => true, + 'has_password' => false, + ) + ); + + if ( ! $r->have_posts() && ! $instance['all'] ) { + continue; + } + + echo '<li>'; + + // Display avatar and author name + if ( $r->have_posts() ) { + echo '<a href="' . get_author_posts_url( $author->ID ) . '">'; + + if ( $instance['avatar_size'] > 1 ) { + echo ' ' . get_avatar( $author->ID, $instance['avatar_size'], '', true ) . ' '; + } + + echo '<strong>' . esc_html( $author->display_name ) . '</strong>'; + echo '</a>'; + } elseif ( $instance['all'] ) { + if ( $instance['avatar_size'] > 1 ) { + echo get_avatar( $author->ID, $instance['avatar_size'], '', true ) . ' '; + } + + echo '<strong>' . esc_html( $author->display_name ) . '</strong>'; + } + + if ( 0 == $instance['number'] ) { + echo '</li>'; + continue; + } + + // Display a short list of recent posts for this author + + if ( $r->have_posts() ) { + echo '<ul>'; + + while ( $r->have_posts() ) { + $r->the_post(); + echo '<li><a href="' . get_permalink() . '">'; + + if ( get_the_title() ) { + echo get_the_title(); + } else { + echo get_the_ID(); + } + + echo '</a></li>'; + } + + echo '</ul>'; + } + + echo '</li>'; + } + + echo '</ul>'; + echo $args['after_widget']; + + wp_reset_postdata(); + + if ( '%BEG_OF_TITLE%' != $args['before_title'] ) { + wp_cache_add( $cache_bucket, ob_get_flush(), 'widget' ); + } + + /** This action is documented in modules/widgets/gravatar-profile.php */ + do_action( 'jetpack_stats_extra', 'widget_view', 'authors' ); + } + + public function form( $instance ) { + $instance = wp_parse_args( + $instance, array( + 'title' => '', + 'all' => false, + 'avatar_size' => 48, + 'number' => 5, + ) + ); + + ?> + <p> + <label> + <?php _e( 'Title:', 'jetpack' ); ?> + <input class="widefat" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" /> + </label> + </p> + <p> + <label> + <input class="checkbox" type="checkbox" <?php checked( $instance['all'] ); ?> name="<?php echo $this->get_field_name( 'all' ); ?>" /> + <?php _e( 'Display all authors (including those who have not written any posts)', 'jetpack' ); ?> + </label> + </p> + <p> + <label> + <?php _e( 'Number of posts to show for each author:', 'jetpack' ); ?> + <input style="width: 50px; text-align: center;" name="<?php echo $this->get_field_name( 'number' ); ?>" type="text" value="<?php echo esc_attr( $instance['number'] ); ?>" /> + <?php _e( '(at most 10)', 'jetpack' ); ?> + </label> + </p> + <p> + <label> + <?php _e( 'Avatar Size (px):', 'jetpack' ); ?> + <select name="<?php echo $this->get_field_name( 'avatar_size' ); ?>"> + <?php + foreach ( array( + '1' => __( 'No Avatars', 'jetpack' ), + '16' => '16x16', + '32' => '32x32', + '48' => '48x48', + '96' => '96x96', + '128' => '128x128', + ) as $value => $label ) { +?> + <option value="<?php echo esc_attr( $value ); ?>" <?php selected( $value, $instance['avatar_size'] ); ?>><?php echo esc_html( $label ); ?></option> + <?php } ?> + </select> + </label> + </p> + <?php + } + + /** + * Updates the widget on save and flushes cache. + * + * @param array $new_instance + * @param array $old_instance + * @return array + */ + public function update( $new_instance, $old_instance ) { + $new_instance['title'] = strip_tags( $new_instance['title'] ); + $new_instance['all'] = isset( $new_instance['all'] ); + $new_instance['number'] = (int) $new_instance['number']; + $new_instance['avatar_size'] = (int) $new_instance['avatar_size']; + + Jetpack_Widget_Authors::flush_cache(); + + return $new_instance; + } +} + +add_action( 'widgets_init', 'jetpack_register_widget_authors' ); +function jetpack_register_widget_authors() { + register_widget( 'Jetpack_Widget_Authors' ); +}; |