/wp-content/plugins/jetpack/modules/widgets/facebook-likebox.php
PHP | 268 lines | 196 code | 56 blank | 16 comment | 32 complexity | 4c818a0a35f8e4e265085cac1f75a93f MD5 | raw file
- <?php
- /**
- * Register the widget for use in Appearance -> Widgets
- */
- add_action( 'widgets_init', 'jetpack_facebook_likebox_init' );
- function jetpack_facebook_likebox_init() {
- register_widget( 'WPCOM_Widget_Facebook_LikeBox' );
- }
- /**
- * Facebook Like Box widget class
- * Display a Facebook Page Plugin as a widget (replaces the old like box plugin)
- * https://developers.facebook.com/docs/plugins/page-plugin
- */
- class WPCOM_Widget_Facebook_LikeBox extends WP_Widget {
- private $default_height = 580;
- private $max_height = 9999;
- private $min_height = 130;
- function __construct() {
- parent::__construct(
- 'facebook-likebox',
- apply_filters( 'jetpack_widget_name', __( 'Facebook Like Box', 'jetpack' ) ),
- array(
- 'classname' => 'widget_facebook_likebox',
- 'description' => __( 'Display a Facebook Like Box to connect visitors to your Facebook Page', 'jetpack' )
- )
- );
- }
- function widget( $args, $instance ) {
- extract( $args );
- $like_args = $this->normalize_facebook_args( $instance['like_args'] );
- wp_enqueue_style( 'jetpack_facebook_likebox', plugins_url( 'facebook-likebox/style.css', __FILE__ ) );
- wp_style_add_data( 'jetpack_facebook_likebox', 'jetpack-inline', true );
- if ( empty( $like_args['href'] ) || ! $this->is_valid_facebook_url( $like_args['href'] ) ) {
- if ( current_user_can('edit_theme_options') ) {
- echo $before_widget;
- echo '<p>' . sprintf( __( 'It looks like your Facebook URL is incorrectly configured. Please check it in your <a href="%s">widget settings</a>.', 'jetpack' ), admin_url( 'widgets.php' ) ) . '</p>';
- echo $after_widget;
- }
- echo '<!-- Invalid Facebook Page URL -->';
- return;
- }
- $title = apply_filters( 'widget_title', $instance['title'] );
- $page_url = set_url_scheme( $like_args['href'], 'https' );
- $like_args['show_faces'] = (bool) $like_args['show_faces'] ? 'true' : 'false';
- $like_args['stream'] = (bool) $like_args['stream'] ? 'true' : 'false';
- $like_args['cover'] = (bool) $like_args['cover'] ? 'false' : 'true';
- $locale = $this->get_locale();
- echo $before_widget;
- if ( ! empty( $title ) ) :
- echo $before_title;
- $likebox_widget_title = '<a href="' . esc_url( $page_url ) . '">' . esc_html( $title ) . '</a>';
- echo apply_filters( 'jetpack_facebook_likebox_title', $likebox_widget_title, $title, $page_url );
- echo $after_title;
- endif;
- ?>
- <div id="fb-root"></div>
- <div class="fb-page" data-href="<?php echo esc_url( $page_url ); ?>" data-height="<?php echo intval( $like_args['height'] ); ?>" data-hide-cover="<?php echo esc_attr( $like_args['cover'] ); ?>" data-show-facepile="<?php echo esc_attr( $like_args['show_faces'] ); ?>" data-show-posts="<?php echo esc_attr( $like_args['stream'] ); ?>">
- <div class="fb-xfbml-parse-ignore"><blockquote cite="<?php echo esc_url( $page_url ); ?>"><a href="<?php echo esc_url( $page_url ); ?>"><?php echo esc_html( $title ); ?></a></blockquote></div>
- </div>
- <script>(function(d, s, id) { var js, fjs = d.getElementsByTagName(s)[0]; if (d.getElementById(id)) return; js = d.createElement(s); js.id = id; js.src = '//connect.facebook.net/<?php echo esc_html( $locale ); ?>/sdk.js#xfbml=1&appId=249643311490&version=v2.3'; fjs.parentNode.insertBefore(js, fjs); }(document, 'script', 'facebook-jssdk'));</script>
- <?php
- echo $after_widget;
- do_action( 'jetpack_stats_extra', 'widget', 'facebook-likebox' );
- }
- function update( $new_instance, $old_instance ) {
- $instance = array(
- 'title' => '',
- 'like_args' => $this->get_default_args(),
- );
- $instance['title'] = trim( strip_tags( stripslashes( $new_instance['title'] ) ) );
- // Set up widget values
- $instance['like_args'] = array(
- 'href' => trim( strip_tags( stripslashes( $new_instance['href'] ) ) ),
- 'height' => (int) $new_instance['height'],
- 'show_faces' => (bool) $new_instance['show_faces'],
- 'stream' => (bool) $new_instance['stream'],
- 'cover' => (bool) $new_instance['cover'],
- );
- $instance['like_args'] = $this->normalize_facebook_args( $instance['like_args'] );
- return $instance;
- }
- function form( $instance ) {
- $instance = wp_parse_args( (array) $instance, array(
- 'title' => '',
- 'like_args' => $this->get_default_args()
- ) );
- $like_args = $this->normalize_facebook_args( $instance['like_args'] );
- ?>
- <p>
- <label for="<?php echo $this->get_field_id( 'title' ); ?>">
- <?php _e( 'Title', 'jetpack' ); ?>
- <input type="text" name="<?php echo $this->get_field_name( 'title' ); ?>" id="<?php echo $this->get_field_id( 'title' ); ?>" value="<?php echo esc_attr( $instance['title'] ); ?>" class="widefat" />
- </label>
- </p>
- <p>
- <label for="<?php echo $this->get_field_id( 'href' ); ?>">
- <?php _e( 'Facebook Page URL', 'jetpack' ); ?>
- <input type="text" name="<?php echo $this->get_field_name( 'href' ); ?>" id="<?php echo $this->get_field_id( 'href' ); ?>" value="<?php echo esc_url( $like_args['href'] ); ?>" class="widefat" />
- <br />
- <small><?php _e( 'The widget only works with Facebook Pages.', 'jetpack' ); ?></small>
- </label>
- </p>
- <p>
- <label for="<?php echo $this->get_field_id( 'height' ); ?>">
- <?php _e( 'Height', 'jetpack' ); ?>
- <input type="number" class="smalltext" min="1" max="999" maxlength="3" name="<?php echo $this->get_field_name( 'height' ); ?>" id="<?php echo $this->get_field_id( 'height' ); ?>" value="<?php echo esc_attr( $like_args['height'] ); ?>" style="text-align: center;" />px
- </label>
- </p>
- <p>
- <label for="<?php echo $this->get_field_id( 'show_faces' ); ?>">
- <input type="checkbox" name="<?php echo $this->get_field_name( 'show_faces' ); ?>" id="<?php echo $this->get_field_id( 'show_faces' ); ?>" <?php checked( $like_args['show_faces'] ); ?> />
- <?php _e( 'Show Faces', 'jetpack' ); ?>
- <br />
- <small><?php _e( 'Show profile photos in the plugin.', 'jetpack' ); ?></small>
- </label>
- </p>
- <p>
- <label for="<?php echo $this->get_field_id( 'stream' ); ?>">
- <input type="checkbox" name="<?php echo $this->get_field_name( 'stream' ); ?>" id="<?php echo $this->get_field_id( 'stream' ); ?>" <?php checked( $like_args['stream'] ); ?> />
- <?php _e( 'Show Stream', 'jetpack' ); ?>
- <br />
- <small><?php _e( 'Show Page Posts.', 'jetpack' ); ?></small>
- </label>
- </p>
- <p>
- <label for="<?php echo $this->get_field_id( 'cover' ); ?>">
- <input type="checkbox" name="<?php echo $this->get_field_name( 'cover' ); ?>" id="<?php echo $this->get_field_id( 'cover' ); ?>" <?php checked( $like_args['cover'] ); ?> />
- <?php _e( 'Show Cover Photo', 'jetpack' ); ?>
- <br />
- </label>
- </p>
- <?php
- }
- function get_default_args() {
- $defaults = array(
- 'href' => '',
- 'height' => $this->default_height,
- 'show_faces' => true,
- 'stream' => false,
- 'cover' => true,
- );
- return apply_filters( 'jetpack_facebook_likebox_defaults', $defaults );
- }
- function normalize_facebook_args( $args ) {
- $args = wp_parse_args( (array) $args, $this->get_default_args() );
- // Validate the Facebook Page URL
- if ( $this->is_valid_facebook_url( $args['href'] ) ) {
- $temp = explode( '?', $args['href'] );
- $args['href'] = str_replace( array( 'http://facebook.com', 'https://facebook.com' ), array( 'http://www.facebook.com', 'https://www.facebook.com' ), $temp[0] );
- } else {
- $args['href'] = '';
- }
- $args['height'] = $this->normalize_int_value( (int) $args['height'], $this->default_height, $this->max_height, $this->min_height );
- $args['show_faces'] = (bool) $args['show_faces'];
- $args['stream'] = (bool) $args['stream'];
- $args['cover'] = (bool) $args['cover'];
- // The height used to be dependent on other widget settings
- // If the user changes those settings but doesn't customize the height,
- // let's intelligently assign a new height.
- if ( in_array( $args['height'], array( 580, 110, 432 ) ) ) {
- if ( $args['show_faces'] && $args['stream'] ) {
- $args['height'] = 580;
- } else if ( ! $args['show_faces'] && ! $args['stream'] ) {
- $args['height'] = 130;
- } else {
- $args['height'] = 432;
- }
- }
- return $args;
- }
- function is_valid_facebook_url( $url ) {
- return ( FALSE !== strpos( $url, 'facebook.com' ) ) ? TRUE : FALSE;
- }
- function normalize_int_value( $value, $default = 0, $max = 0, $min = 0 ) {
- $value = (int) $value;
- if ( $max < $value || $min > $value )
- $value = $default;
- return (int) $value;
- }
- function normalize_text_value( $value, $default = '', $allowed = array() ) {
- $allowed = (array) $allowed;
- if ( empty( $value ) || ( ! empty( $allowed ) && ! in_array( $value, $allowed ) ) )
- $value = $default;
- return $value;
- }
- function guess_locale_from_lang( $lang ) {
- if ( 'en' == $lang || 'en_US' == $lang || !$lang ) {
- return 'en_US';
- }
- if ( !class_exists( 'GP_Locales' ) ) {
- if ( !defined( 'JETPACK__GLOTPRESS_LOCALES_PATH' ) || !file_exists( JETPACK__GLOTPRESS_LOCALES_PATH ) ) {
- return false;
- }
- require JETPACK__GLOTPRESS_LOCALES_PATH;
- }
- if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
- // WP.com: get_locale() returns 'it'
- $locale = GP_Locales::by_slug( $lang );
- } else {
- // Jetpack: get_locale() returns 'it_IT';
- $locale = GP_Locales::by_field( 'wp_locale', $lang );
- }
- if ( !$locale || empty( $locale->facebook_locale ) ) {
- return false;
- }
- return $locale->facebook_locale;
- }
- function get_locale() {
- return $this->guess_locale_from_lang( get_locale() );
- }
- }
- // END