Ticket #24856: 24856.3.diff

wp-includes/default-widgets.php

@@ -1163 +1163 @@
 }
 
 /**
+ * Author Widget class
+ *
+ * @since 3.8
+ */
+class WP_Author_Widget extends WP_Widget {
+        public function __construct() {
+                parent::__construct( 'authors', __( 'Authors' ), array(
+                                'classname'   => 'author_widget',
+                                'description' => __( "Display blog's authors with avatars and archive links." ),
+                        ),
+                        array(
+                                'width' => 300,
+                        )
+                );
+
+                add_action( 'save_post',      array( $this, 'flush_widget_cache' ) );
+                add_action( 'deleted_post',   array( $this, 'flush_widget_cache' ) );
+                add_action( 'switch_theme',   array( $this, 'flush_widget_cache' ) );
+                add_action( 'profile_update', array( $this, 'flush_widget_cache' ) );
+
+                if ( is_active_widget( false, false, $this->id_base ) ) {
+                        add_action( 'wp_head', array( $this, 'author_style' ) );
+                }
+        }
+
+        public function widget( $args, $instance ) {
+                $cache = get_transient( 'author_widget_' . $this->id );
+
+                if ( ! empty( $cache ) ) {
+                        echo $cache;
+                        return;
+                }
+
+                $authors = get_users( array(
+                        'fields' => array( 'ID', 'user_nicename', 'display_name' ),
+                        'who'    => 'authors',
+                ) );
+
+                $widget = $args['before_widget'];
+                if ( ! empty( $instance['title'] ) ) {
+                        $widget .= $args['before_title'] . apply_filters( 'widget_title', $instance['title'] ) . $args['after_title'];
+                }
+                $widget .= '<ul>';
+
+                foreach ( $authors as $author ) {
+                        if ( ! $instance['all'] && ! count_user_posts( $author->ID ) ) {
+                                continue;
+                        }
+
+                        $avatar  = ( $instance['avatar_size'] > 0 ) ? get_avatar( $author->ID, $instance['avatar_size'] ) : '';
+                        $widget .= sprintf(
+                                '<li><a href="%1$s">%2$s<strong>%3$s</strong></a></li>',
+                                esc_url( get_author_posts_url( $author->ID, $author->user_nicename ) ),
+                                $avatar,
+                                esc_html( $author->display_name )
+                        );
+                }
+
+                $widget .= '</ul>';
+                $widget .= $args['after_widget'];
+
+                echo $widget;
+
+                set_transient( 'author_widget_' . $this->id, $widget, DAY_IN_SECONDS );
+        }
+
+        public function flush_widget_cache() {
+                delete_transient( 'author_widget_' . $this->id );
+        }
+
+        public function update( $new_instance, $old_instance ) {
+                $new_instance['title']       = strip_tags( $new_instance['title'] );
+                $new_instance['all']         = isset( $new_instance['all'] );
+                $new_instance['avatar_size'] = (int) $new_instance['avatar_size'];
+
+                $this->flush_widget_cache();
+
+                return $new_instance;
+        }
+
+        public function form( $instance ) {
+                $instance = wp_parse_args( $instance, array(
+                        'title'       => '',
+                        'all'         => false,
+                        'avatar_size' => 48,
+                ) );
+
+                ?>
+                <p>
+                        <label>
+                                <?php _e( 'Title:' ); ?>
+                                <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( 'Include authors who have not written any posts' ); ?>
+                        </label>
+                </p>
+                <p>
+                        <label>
+                                <?php _e( 'Avatar Size (px):' ); ?>
+                                <select name="<?php echo $this->get_field_name( 'avatar_size' ); ?>">
+                                        <?php foreach( array( '0' => __( 'No Avatars' ), '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 endforeach; ?>
+                                </select>
+                        </label>
+                </p>
+                <?php
+        }
+
+        public function author_style() {
+                if ( ! current_theme_supports( 'widgets' ) // Temp hack #14876
+                        || ! apply_filters( 'show_author_widget_style', true, $this->id_base ) )
+                        return;
+                ?>
+                <style type="text/css">
+                        .author_widget .avatar {
+                                vertical-align: middle !important;
+                        }
+                        .author_widget .avatar-16 {
+                                margin-right: 5px;
+                        }
+                        .author_widget .avatar + strong {
+                                display: block;
+                                margin: 5px 0;
+                        }
+                        .author_widget .avatar-16 + strong {
+                                display: inline;
+                                margin: 0;
+                        }
+                </style>
+                <?php
+        }
+}
+
+/**
  * Register all of the default WordPress widgets on startup.
  *
  * Calls 'widgets_init' action after all of the WordPress widgets have been
@@ -1201 +1340 @@
 
         register_widget('WP_Nav_Menu_Widget');
 
+        register_widget('WP_Author_Widget');
+
         do_action('widgets_init');
 }