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<?php |
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/** |
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* Plugin Name: Display Recent WordPress Posts Widget |
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* Description: Displays recent posts from a WordPress.com or Jetpack-enabled self-hosted WordPress site. |
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* Version: 1.0 |
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* Author: Brad Angelcyk, Kathryn Presner, Justin Shreve, Carolyn Sonnek |
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* Author URI: http://automattic.com |
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* License: GPL2 |
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*/ |
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add_action( 'widgets_init', 'jetpack_display_posts_widget' ); |
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function jetpack_display_posts_widget() { |
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register_widget( 'Jetpack_Display_Posts_Widget' ); |
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} |
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|
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/** |
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* Displays a list of recent posts from a WordPress.com or Jetpack-enabled blog. |
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*/ |
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class Jetpack_Display_Posts_Widget extends WP_Widget { |
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|
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public function __construct() { |
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parent::__construct( |
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'jetpack_display_posts_widget', // internal id |
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__( 'Display WordPress Posts (Jetpack)', 'jetpack' ), // wp-admin title |
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array( |
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'description' => __( 'Displays a list of recent posts from another WordPress.com or Jetpack-enabled blog.', 'jetpack' ), // description |
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) |
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); |
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} |
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|
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/** Set up the widget display on the front end |
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*/ |
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public function widget( $args, $instance ) { |
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$title = apply_filters( 'widget_title', $instance['title'] ); |
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|
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wp_enqueue_style( 'jetpack_display_posts_widget', plugins_url( 'wordpress-post-widget/style.css' ) ); |
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|
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$site = $instance['url']; |
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$site = urlencode( $site ); |
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$api_url = "https://public-api.wordpress.com/rest/v1/sites/" . $site; |
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|
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$data_from_cache = get_transient( 'wp-site-info-' . $instance['url'], 'display-posts-widget' ); |
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if ( false === $data_from_cache ) { |
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$response = wp_remote_get( $api_url ); |
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set_transient( 'wp-site-info-' . $instance['url'], $response, 'display-posts-widget', ( 10 * MINUTE_IN_SECONDS ) ); |
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} else { |
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$response = $data_from_cache; |
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} |
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|
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$site_info = json_decode( $response ['body'] ); |
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|
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if ( empty( $site_info->ID ) ) { |
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echo "<p>" . __( 'We cannot load blog data at this time.', 'jetpack' ) . "</p>"; |
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echo $args['after_widget']; |
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return; |
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} |
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|
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echo $args['before_widget']; |
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if ( ! empty( $title ) ) { |
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echo $args['before_title'] . esc_html( $title . ": " . $site_info->name ) . $args['after_title']; |
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} |
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else { |
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echo $args['before_title'] . esc_html( $site_info->name ) . $args['after_title']; |
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} |
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|
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$number_of_posts = $instance['number_of_posts']; |
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|
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$data_from_cache = get_transient( 'wp-post-info-' . $instance['url'], 'display-posts-widget' ); |
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if ( false === $data_from_cache ) { |
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$response = wp_remote_get( $api_url . '/posts' ); |
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set_transient( 'wp-post-info-' . $instance['url'], $response, 'display-posts-widget', ( 10 * MINUTE_IN_SECONDS ) ); |
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} else { |
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$response = $data_from_cache; |
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} |
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|
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if ( is_a( $response, 'WP_Error' ) ) { |
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echo "<p>" . __( 'We cannot load blog data at this time.', 'jetpack' ) . "</p>"; |
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echo $args['after_widget']; |
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return; |
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} |
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|
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$posts_info = json_decode( $response['body'] ); |
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|
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echo "<div class='jetpack-display-remote-posts'>"; |
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|
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if ( isset( $posts_info->error ) && 'jetpack_error' == $posts_info->error ) { |
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echo '<p>' . __( 'We cannot display posts for this blog.', 'jetpack' ) . '</p>'; |
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echo $args['after_widget']; |
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return; |
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} |
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|
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for ( $i = 0; $i < $number_of_posts; $i++ ) { |
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$single_post = $posts_info->posts[$i]; |
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$post_title = ( $single_post->title ) ? esc_html( $single_post->title ) : '( No Title )'; |
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|
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echo "<h4><a href='" . esc_url( $single_post->URL ) . "'>". $post_title . "</a></h4>" . "\n"; |
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if ( ( $instance['featured_image'] == true ) && ( ! empty ( $single_post->featured_image) ) ) { |
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$featured_image = ( $single_post->featured_image ) ? $single_post->featured_image : ''; |
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echo "<img src='" . $featured_image . "'>"; |
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} |
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|
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if ( $instance['show_excerpts'] == true ) { |
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$post_excerpt = ( $single_post->excerpt ) ? $single_post->excerpt : ''; |
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echo $post_excerpt; |
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} |
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|
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} |
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|
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echo "</div>"; |
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} |
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|
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public function form( $instance ) { |
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if ( isset( $instance[ 'title' ] ) ) { |
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$title = $instance[ 'title' ]; |
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} else { |
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$title = __( 'Recent Posts', 'jetpack' ); |
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} |
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|
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if ( isset( $instance[ 'url' ] ) ) { |
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$url = $instance[ 'url' ]; |
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} else { |
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$url = ""; |
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} |
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|
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if ( isset( $instance[ 'number_of_posts' ] ) ) { |
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$number_of_posts = $instance[ 'number_of_posts' ]; |
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} else { |
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$number_of_posts = 5; |
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} |
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|
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if ( isset( $instance[ 'featured_image'] ) ) { |
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$featured_image = $instance[ 'featured_image']; |
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} else { |
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$featured_image = false; |
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} |
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|
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if ( isset( $instance[ 'show_excerpts'] ) ) { |
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$show_excerpts = $instance[ 'show_excerpts']; |
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} else { |
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$show_excerpts = false; |
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} |
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|
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?> |
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<p> |
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<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:', 'jetpack' ); ?></label> |
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<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /> |
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</p> |
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|
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<p> |
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<label for="<?php echo $this->get_field_id( 'url' ); ?>"><?php _e( 'Blog URL:', 'jetpack' ); ?></label> |
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<input class="widefat" id="<?php echo $this->get_field_id( 'url' ); ?>" name="<?php echo $this->get_field_name( 'url' ); ?>" type="text" value="<?php echo esc_attr( $url ); ?>" /> |
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<p> |
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<?php _e( "Enter a WordPress.com or Jetpack WordPress site URL.", 'jetpack' ); ?> |
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</p> |
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</p> |
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<p> |
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<label for="<?php echo $this->get_field_id( 'number_of_posts' ); ?>"><?php _e( 'Number of Posts to Display:', 'jetpack' ); ?></label> |
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<select name="<?php echo $this->get_field_name( 'number_of_posts' ); ?>"> |
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<?php |
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for ($i = 1; $i <= 10; $i++) { |
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echo '<option value="' . $i . '" '.selected( $number_of_posts, $i ).'>' . $i . '</option>'; |
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} |
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?> |
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</select> |
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</p> |
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<p> |
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<label for="<?php echo $this->get_field_id( 'featured_image' ); ?>"><?php _e( 'Show Featured Image:', 'jetpack' ); ?></label> |
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<input type="checkbox" name="<?php echo $this->get_field_name( 'featured_image' ); ?>" <?php checked( $featured_image, 1 ); ?> /> |
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</p> |
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<p> |
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<label for="<?php echo $this->get_field_id( 'show_excerpts' ); ?>"><?php _e( 'Show Excerpts:', 'jetpack' ); ?></label> |
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<input type="checkbox" name="<?php echo $this->get_field_name( 'show_excerpts' ); ?>" <?php checked( $show_excerpts, 1 ); ?> /> |
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</p> |
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|
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<?php |
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} |
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|
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public function update( $new_instance, $old_instance ) { |
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$instance = array(); |
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$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : ''; |
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$instance['url'] = ( ! empty( $new_instance['url'] ) ) ? strip_tags( $new_instance['url'] ) : ''; |
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$instance['url'] = str_replace( "http://", "", $instance['url'] ); |
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$instance['url'] = untrailingslashit( $instance['url'] ); |
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$instance['number_of_posts'] = ( ! empty( $new_instance['number_of_posts'] ) ) ? intval( $new_instance['number_of_posts'] ) : ''; |
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$instance['featured_image'] = ( ! empty( $new_instance['featured_image'] ) ) ? true : ''; |
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$instance['show_excerpts'] = ( ! empty( $new_instance['show_excerpts'] ) ) ? true : ''; |
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return $instance; |
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} |
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|
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} |
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?> |
