__( 'Recent comments with avatars.', 'p2' ) ) );
add_action( 'comment_post', array(&$this, 'flush_widget_cache' ) );
add_action( 'transition_comment_status', array( &$this, 'flush_widget_cache' ) );
$this->default_num_to_show = 5;
$this->default_avatar_size = 32;
}
function flush_widget_cache() {
wp_cache_delete( 'p2_recent_comments', 'widget' );
}
function form( $instance ) {
$title = ( isset( $instance['title'] ) ) ? esc_attr( $instance['title'] ) : '';
$title_id = $this->get_field_id( 'title' );
$title_name = $this->get_field_name( 'title' );
$num_to_show = ( isset( $instance['num_to_show'] ) ) ? esc_attr( $instance['num_to_show'] ) : $this->default_num_to_show;
$num_to_show_id = $this->get_field_id( 'num_to_show' );
$num_to_show_name = $this->get_field_name( 'num_to_show' );
$avatar_size = ( isset( $instance['avatar_size'] ) ) ? esc_attr( $instance['avatar_size'] ) : $this->default_avatar_size;
$avatar_size_id = $this->get_field_id( 'avatar_size' );
$avatar_size_name = $this->get_field_name( 'avatar_size' );
$sizes = array(
'32' => 'Yes — 32x32',
'-1' => __( 'No avatar', 'p2' ),
);
?>
default_num_to_show;
$new_instance['avatar_size'] = (int)$new_instance['avatar_size']? (int)$new_instance['avatar_size'] : $this->default_avatar_size;
return $new_instance;
}
function widget( $args, $instance ) {
extract( $args );
$title = (isset( $instance['title'] ) && $instance['title'])? $instance['title'] : __( 'Recent comments', 'p2' );
$num_to_show = (isset( $instance['num_to_show'] ) && (int)$instance['num_to_show'])? (int)$instance['num_to_show'] : $this->default_num_to_show;
$avatar_size = (isset( $instance['avatar_size'] ) && (int)$instance['avatar_size'])? (int)$instance['avatar_size'] : $this->default_avatar_size;
$no_avatar = $avatar_size == '-1';
$recent_comments = $this->recent_comments( $num_to_show );
echo $before_widget . $before_title . esc_html( $title ) . $after_title;
?>
" . $after_widget;
}
static function comment_url_maybe_local( $comment ) {
// Only use the URLs #fragment if the comment is visible on the page.
// Works by detecting if the comment's post is visible on the page... may break if P2 decides to do clever stuff with comments when paginated
$comment_url = get_comment_link( $comment );
if ( '1' === get_option( 'p2_hide_threads' ) )
return $comment_url;
if ( defined( 'DOING_AJAX' ) && isset( $_GET['vp'] ) && is_array( $_GET['vp'] ) && in_array( $comment->comment_post_ID, $_GET['vp'] ) ) {
$comment_url = "#comment-{$comment->comment_ID}";
} else {
static $posts_on_page = false;
if ( false === $posts_on_page ) {
global $wp_query;
$posts_on_page = array();
foreach ( (array)array_keys( (array) $wp_query->posts ) as $k )
$posts_on_page[$wp_query->posts[$k]->ID] = true;
}
if ( isset( $posts_on_page[$comment->comment_post_ID] ) )
$comment_url = "#comment-{$comment->comment_ID}";
}
return $comment_url;
}
function recent_comments( $num_to_show ) {
global $wpdb;
$cache = wp_cache_get( 'p2_recent_comments', 'widget' );
if ( !is_array( $cache ) ) {
$cache = array();
}
if ( isset( $cache[$num_to_show] ) && is_array( $cache[$num_to_show] ) ) {
return $cache[$num_to_show];
}
$comments = $wpdb->get_results( "SELECT * FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT $num_to_show" );
$cache[$num_to_show] = $comments;
wp_cache_add( 'p2_recent_comments', $cache, 'widget' );
return $comments;
}
static function single_comment_html($comment, $avatar_size ) {
$no_avatar = $avatar_size == '-1';
if ( !$comment->comment_author ) $comment->comment_author = __( 'Anonymous', 'p2' );
$author_name = $comment->comment_author;
$author_html = $comment->comment_author;
$excerpt = wp_html_excerpt( $author_name, 20 );
if ( $author_name != $excerpt )
$author_name = $excerpt . '…';
$avatar = $no_avatar? '' : get_avatar( $comment, $avatar_size );
$comment_author_url = $comment->comment_author_url ? esc_url( $comment->comment_author_url ) : '';
if ( $comment_author_url ) {
$avatar = "$avatar";
// entitities in comment author are kept escaped in the db and tags are not allowed, so no need of HTML escaping here
$author_html = "$author_name";
}
$author_name = esc_attr( $author_name );
$row = "";
if ( !$no_avatar) $row .= "| " . $avatar . ' | ';
$post_title = esc_html( strip_tags( get_the_title( $comment->comment_post_ID ) ) );
$excerpt = wp_html_excerpt( $post_title, 30 );
if ( $post_title != $excerpt ) $post_title = $excerpt.'…';
$comment_content = strip_tags( $comment->comment_content );
$excerpt = wp_html_excerpt( $comment_content, 50 );
if ( $comment_content != $excerpt ) $comment_content = $excerpt.'…';
$comment_url = P2_Recent_Comments::comment_url_maybe_local( $comment );
$row .= sprintf( ''.__( "%s on %s" , 'p2' ) . ' |
', $author_html, esc_url( $comment_url ), esc_attr($comment_content), $post_title );
return $row;
}
}
register_widget( 'P2_Recent_Comments' );