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Diffstat (limited to 'wp-includes/widgets/class-wp-widget-recent-posts.php')
| -rw-r--r-- | wp-includes/widgets/class-wp-widget-recent-posts.php | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/wp-includes/widgets/class-wp-widget-recent-posts.php b/wp-includes/widgets/class-wp-widget-recent-posts.php new file mode 100644 index 0000000..c73bb5b --- /dev/null +++ b/wp-includes/widgets/class-wp-widget-recent-posts.php @@ -0,0 +1,184 @@ +<?php +/** + * Widget API: WP_Widget_Recent_Posts class + * + * @package WordPress + * @subpackage Widgets + * @since 4.4.0 + */ + +/** + * Core class used to implement a Recent Posts widget. + * + * @since 2.8.0 + * + * @see WP_Widget + */ +class WP_Widget_Recent_Posts extends WP_Widget { + + /** + * Sets up a new Recent Posts widget instance. + * + * @since 2.8.0 + */ + public function __construct() { + $widget_ops = array( + 'classname' => 'widget_recent_entries', + 'description' => __( 'Your site’s most recent Posts.' ), + 'customize_selective_refresh' => true, + 'show_instance_in_rest' => true, + ); + parent::__construct( 'recent-posts', __( 'Recent Posts' ), $widget_ops ); + $this->alt_option_name = 'widget_recent_entries'; + } + + /** + * Outputs the content for the current Recent Posts widget instance. + * + * @since 2.8.0 + * + * @param array $args Display arguments including 'before_title', 'after_title', + * 'before_widget', and 'after_widget'. + * @param array $instance Settings for the current Recent Posts widget instance. + */ + public function widget( $args, $instance ) { + if ( ! isset( $args['widget_id'] ) ) { + $args['widget_id'] = $this->id; + } + + $default_title = __( 'Recent Posts' ); + $title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : $default_title; + + /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ + $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); + + $number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5; + if ( ! $number ) { + $number = 5; + } + $show_date = isset( $instance['show_date'] ) ? $instance['show_date'] : false; + + $r = new WP_Query( + /** + * Filters the arguments for the Recent Posts widget. + * + * @since 3.4.0 + * @since 4.9.0 Added the `$instance` parameter. + * + * @see WP_Query::get_posts() + * + * @param array $args An array of arguments used to retrieve the recent posts. + * @param array $instance Array of settings for the current widget. + */ + apply_filters( + 'widget_posts_args', + array( + 'posts_per_page' => $number, + 'no_found_rows' => true, + 'post_status' => 'publish', + 'ignore_sticky_posts' => true, + ), + $instance + ) + ); + + if ( ! $r->have_posts() ) { + return; + } + ?> + + <?php echo $args['before_widget']; ?> + + <?php + if ( $title ) { + echo $args['before_title'] . $title . $args['after_title']; + } + + $format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml'; + + /** This filter is documented in wp-includes/widgets/class-wp-nav-menu-widget.php */ + $format = apply_filters( 'navigation_widgets_format', $format ); + + if ( 'html5' === $format ) { + // The title may be filtered: Strip out HTML and make sure the aria-label is never empty. + $title = trim( strip_tags( $title ) ); + $aria_label = $title ? $title : $default_title; + echo '<nav aria-label="' . esc_attr( $aria_label ) . '">'; + } + ?> + + <ul> + <?php foreach ( $r->posts as $recent_post ) : ?> + <?php + $post_title = get_the_title( $recent_post->ID ); + $title = ( ! empty( $post_title ) ) ? $post_title : __( '(no title)' ); + $aria_current = ''; + + if ( get_queried_object_id() === $recent_post->ID ) { + $aria_current = ' aria-current="page"'; + } + ?> + <li> + <a href="<?php the_permalink( $recent_post->ID ); ?>"<?php echo $aria_current; ?>><?php echo $title; ?></a> + <?php if ( $show_date ) : ?> + <span class="post-date"><?php echo get_the_date( '', $recent_post->ID ); ?></span> + <?php endif; ?> + </li> + <?php endforeach; ?> + </ul> + + <?php + if ( 'html5' === $format ) { + echo '</nav>'; + } + + echo $args['after_widget']; + } + + /** + * Handles updating the settings for the current Recent Posts widget instance. + * + * @since 2.8.0 + * + * @param array $new_instance New settings for this instance as input by the user via + * WP_Widget::form(). + * @param array $old_instance Old settings for this instance. + * @return array Updated settings to save. + */ + public function update( $new_instance, $old_instance ) { + $instance = $old_instance; + $instance['title'] = sanitize_text_field( $new_instance['title'] ); + $instance['number'] = (int) $new_instance['number']; + $instance['show_date'] = isset( $new_instance['show_date'] ) ? (bool) $new_instance['show_date'] : false; + return $instance; + } + + /** + * Outputs the settings form for the Recent Posts widget. + * + * @since 2.8.0 + * + * @param array $instance Current settings. + */ + public function form( $instance ) { + $title = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : ''; + $number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5; + $show_date = isset( $instance['show_date'] ) ? (bool) $instance['show_date'] : false; + ?> + <p> + <label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label> + <input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo $title; ?>" /> + </p> + + <p> + <label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of posts to show:' ); ?></label> + <input class="tiny-text" id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="number" step="1" min="1" value="<?php echo $number; ?>" size="3" /> + </p> + + <p> + <input class="checkbox" type="checkbox"<?php checked( $show_date ); ?> id="<?php echo $this->get_field_id( 'show_date' ); ?>" name="<?php echo $this->get_field_name( 'show_date' ); ?>" /> + <label for="<?php echo $this->get_field_id( 'show_date' ); ?>"><?php _e( 'Display post date?' ); ?></label> + </p> + <?php + } +} |