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<?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 Page Plugin (formerly known as the Like Box)
* 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 $default_width = 340;
private $max_width = 500;
private $min_width = 180;
private $max_height = 9999;
private $min_height = 130;
function __construct() {
parent::__construct(
'facebook-likebox',
/**
* Filter the name of a widget included in the Extra Sidebar Widgets module.
*
* @module widgets
*
* @since 2.1.2
*
* @param string $widget_name Widget title.
*/
apply_filters( 'jetpack_widget_name', __( 'Facebook Page Plugin', 'jetpack' ) ),
array(
'classname' => 'widget_facebook_likebox',
'description' => __( 'Use the Facebook Page Plugin to connect visitors to your Facebook Page', 'jetpack' ),
'customize_selective_refresh' => true,
)
);
if ( is_active_widget( false, false, $this->id_base ) || is_active_widget( false, false, 'monster' ) || is_customize_preview() ) {
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
}
}
/**
* Enqueue scripts.
*/
public function enqueue_scripts() {
wp_enqueue_script( 'jetpack-facebook-embed' );
wp_enqueue_style( 'jetpack_facebook_likebox', plugins_url( 'facebook-likebox/style.css', __FILE__ ) );
wp_style_add_data( 'jetpack_facebook_likebox', 'jetpack-inline', true );
}
function widget( $args, $instance ) {
extract( $args );
$like_args = $this->normalize_facebook_args( $instance['like_args'] );
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;
}
/** This filter is documented in core/src/wp-includes/default-widgets.php */
$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';
echo $before_widget;
if ( ! empty( $title ) ) :
echo $before_title;
$likebox_widget_title = '<a href="' . esc_url( $page_url ) . '">' . esc_html( $title ) . '</a>';
/**
* Filter Facebook Likebox's widget title.
*
* @module widgets
*
* @since 3.3.0
*
* @param string $likebox_widget_title Likebox Widget title (including a link to the Page URL).
* @param string $title Widget title as set in the widget settings.
* @param string $page_url Facebook Page URL.
*/
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-width="<?php echo intval( $like_args['width'] ); ?>" 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>
<?php
wp_enqueue_script( 'jetpack-facebook-embed' );
echo $after_widget;
/** This action is documented in modules/widgets/gravatar-profile.php */
do_action( 'jetpack_stats_extra', 'widget_view', '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'] ) ) ),
'width' => (int) $new_instance['width'],
'height' => (int) $new_instance['height'],
'show_faces' => isset( $new_instance['show_faces'] ),
'stream' => isset( $new_instance['stream'] ),
'cover' => isset( $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 esc_attr( $this->get_field_id( 'title' ) ); ?>">
<?php _e( 'Title', 'jetpack' ); ?>
<input type="text" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" value="<?php echo esc_attr( $instance['title'] ); ?>" class="widefat" />
</label>
</p>
<p>
<label for="<?php echo esc_attr( $this->get_field_id( 'href' ) ); ?>">
<?php _e( 'Facebook Page URL', 'jetpack' ); ?>
<input type="text" name="<?php echo esc_attr( $this->get_field_name( 'href' ) ); ?>" id="<?php echo esc_attr( $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 esc_attr( $this->get_field_id( 'width' ) ); ?>">
<?php _e( 'Width in pixels', 'jetpack' ); ?>
<input type="number" class="smalltext" min="<?php echo esc_attr( $this->min_width ); ?>" max="<?php echo esc_attr( $this->max_width ); ?>" maxlength="3" name="<?php echo esc_attr( $this->get_field_name( 'width' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'width' ) ); ?>" value="<?php echo esc_attr( $like_args['width'] ); ?>" style="text-align: center;" />
<small><?php echo sprintf( __( 'Minimum: %s', 'jetpack' ), $this->min_width ); ?> / <?php echo sprintf( __( 'Maximum: %s', 'jetpack' ), $this->max_width ); ?></small>
</label>
</p>
<p>
<label for="<?php echo esc_attr( $this->get_field_id( 'height' ) ); ?>">
<?php _e( 'Height in pixels', 'jetpack' ); ?>
<input type="number" class="smalltext" min="<?php echo esc_attr( $this->min_height ); ?>" max="<?php echo esc_attr( $this->max_height ); ?>" maxlength="3" name="<?php echo esc_attr( $this->get_field_name( 'height' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'height' ) ); ?>" value="<?php echo esc_attr( $like_args['height'] ); ?>" style="text-align: center;" />
<small><?php echo sprintf( __( 'Minimum: %s', 'jetpack' ), $this->min_height ); ?> / <?php echo sprintf( __( 'Maximum: %s', 'jetpack' ), $this->max_height ); ?></small>
</label>
</p>
<p>
<label for="<?php echo esc_attr( $this->get_field_id( 'show_faces' ) ); ?>">
<input type="checkbox" name="<?php echo esc_attr( $this->get_field_name( 'show_faces' ) ); ?>" id="<?php echo esc_attr( $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 esc_attr( $this->get_field_id( 'stream' ) ); ?>">
<input type="checkbox" name="<?php echo esc_attr( $this->get_field_name( 'stream' ) ); ?>" id="<?php echo esc_attr( $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 esc_attr( $this->get_field_id( 'cover' ) ); ?>">
<input type="checkbox" name="<?php echo esc_attr( $this->get_field_name( 'cover' ) ); ?>" id="<?php echo esc_attr( $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' => '',
'width' => $this->default_width,
'height' => $this->default_height,
'show_faces' => 'true',
'stream' => '',
'cover' => 'true',
);
/**
* Filter Facebook Likebox default options.
*
* @module widgets
*
* @since 1.3.1
*
* @param array $defaults Array of default options.
*/
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['width'] = $this->normalize_int_value( (int) $args['width'], $this->default_width, $this->max_width, $this->min_width );
$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;
} elseif ( ! $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 ( $value > $max ) {
$value = $max;
} elseif ( $value < $min ) {
$value = $min;
}
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;
}
/**
* @deprecated
*/
function guess_locale_from_lang( $lang ) {
_deprecated_function( __METHOD__, '4.0.0', 'Jetpack::guess_locale_from_lang()' );
Jetpack::$instance->guess_locale_from_lang( $lang );
}
/**
* @deprecated
*/
function get_locale() {
_deprecated_function( __METHOD__, '4.0.0', 'Jetpack::get_locale()' );
Jetpack::$instance->get_locale();
}
}
|