facebook-likebox.php

/wp-content/plugins/jetpack/modules/widgets/facebook-likebox.php

https://gitlab.com/juanito.abelo/nlmobile
PHP | 314 lines | 238 code | 60 blank | 16 comment | 36 complexity | ef5faf97ae448c00a90048f06b469fae 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 Like Box as a widget

 * http://developers.facebook.com/docs/reference/plugins/like-box/

 */

class WPCOM_Widget_Facebook_LikeBox extends WP_Widget {



	private $default_height       = 432;

	private $default_width        = 200;

	private $max_width            = 9999;

	private $min_width            = 0;

	private $max_height           = 9999;

	private $min_height           = 100;

	private $default_colorscheme  = 'light';

	private $allowed_colorschemes = array( 'light', 'dark' );



	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'] );



		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['force_wall'] = (bool) $like_args['force_wall']         ? 'true' : 'false';

		$like_args['show_border']= (bool) $like_args['show_border']        ? 'true' : 'false';

		$like_args['header']     = (bool) $like_args['header']             ? 'true' : 'false';

		$like_bg_colour          = apply_filters( 'jetpack_fb_likebox_bg', ( 'dark' == $like_args['colorscheme'] ? '#000' : '#fff' ), $like_args['colorscheme'] );



		$locale = $this->get_locale();

		if ( $locale && 'en_US' != $locale )

			$like_args['locale'] = $locale;



		$like_args = urlencode_deep( $like_args );

		$like_url  = add_query_arg(

			$like_args,

			'https://www.facebook.com/plugins/likebox.php'

		);



		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;



		?><iframe src="<?php echo esc_url( $like_url ); ?>" scrolling="no" frameborder="0" style="border: none; overflow: hidden;<?php echo 0 != $like_args['width'] ? ' width: ' . (int) $like_args['width'] . 'px; ' : ''; ?> height: <?php echo (int) $like_args['height']; ?>px; background: <?php echo esc_attr( $like_bg_colour ); ?>"></iframe><?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'] ) ) ),

			'width'       => (int) $new_instance['width'],

			'height'      => (int) $new_instance['height'],

			'colorscheme' => $new_instance['colorscheme'],

			'show_faces'  => (bool) $new_instance['show_faces'],

			'stream'      => (bool) $new_instance['stream'],

			'show_border' => (bool) $new_instance['show_border'],

			'header'      => false, // The header just displays "Find us on Facebook"; it's redundant with the title

			'force_wall'  => (bool) $new_instance['force_wall'],

		);



		$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 Like Box only works with <a href="http://www.facebook.com/help/?faq=174987089221178">Facebook Pages</a>.', 'jetpack' ); ?></small>

			</label>

		</p>



		<p>

			<label for="<?php echo $this->get_field_id( 'width' ); ?>">

				<?php _e( 'Width', 'jetpack' ); ?>

				<input type="number" class="smalltext" min="1" max="999" maxlength="3" name="<?php echo $this->get_field_name( 'width' ); ?>" id="<?php echo $this->get_field_id( 'width' ); ?>" value="<?php echo esc_attr( $like_args['width'] ); ?>" style="text-align: center;" />px

			</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( 'colorscheme' ); ?>">

				<?php _e( 'Color Scheme', 'jetpack' ); ?>

				<select name="<?php echo $this->get_field_name( 'colorscheme' ); ?>" id="<?php echo $this->get_field_id( 'colorscheme' ); ?>">

					<option value="light" <?php selected( $like_args['colorscheme'], 'light' ); ?>><?php _e( 'Light', 'jetpack' ); ?></option>

					<option value="dark" <?php selected( $like_args['colorscheme'], 'dark' ); ?>><?php _e( 'Dark', 'jetpack' ); ?></option>

				</select>

			</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 the profile stream for the public profile.', 'jetpack' ); ?></small>

			</label>

		</p>



		<p>

			<label for="<?php echo $this->get_field_id( 'show_border' ); ?>">

				<input type="checkbox" name="<?php echo $this->get_field_name( 'show_border' ); ?>" id="<?php echo $this->get_field_id( 'show_border' ); ?>" <?php checked( $like_args['show_border'] ); ?> />

				<?php _e( 'Show Border', 'jetpack' ); ?>

				<br />

				<small><?php _e( 'Show a border around the plugin.', 'jetpack' ); ?></small>

			</label>

		</p>



		<p>

			<label for="<?php echo $this->get_field_id( 'force_wall' ); ?>">

				<input type="checkbox" name="<?php echo $this->get_field_name( 'force_wall' ); ?>" id="<?php echo $this->get_field_id( 'force_wall' ); ?>" <?php checked( $like_args['force_wall'] ); ?> />

				<?php _e( 'Show Wall', 'jetpack' ); ?>

				<br />

				<small><?php _e( 'Show the wall for a Places page rather than friend activity.', 'jetpack' ); ?></small>

			</label>

		</p>



		<?php

	}



	function get_default_args() {

		$defaults = array(

			'href'        => '',

			'width'       => $this->default_width,

			'height'      => $this->default_height,

			'colorscheme' => $this->default_colorscheme,

			'show_faces'  => true,

			'stream'      => false,

			'show_border' => true,

			'header'      => false,

			'force_wall'  => false,

		);



		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['colorscheme'] = $this->normalize_text_value( $args['colorscheme'], $this->default_colorscheme, $this->allowed_colorschemes        );

		$args['show_faces']  = (bool) $args['show_faces'];

		$args['stream']      = (bool) $args['stream'];

		$args['show_border'] = (bool) $args['show_border'];

		$args['force_wall']  = (bool) $args['force_wall'];



		// 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'] = 110;

			} 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