Widgets
*/
function jetpack_image_widget_init() {
if ( class_exists( 'WP_Widget_Media_Image' ) && Jetpack_Options::get_option( 'image_widget_migration' ) ) {
return;
}
register_widget( 'Jetpack_Image_Widget' );
}
/**
* Jetpack_Image_Widget main class.
*/
class Jetpack_Image_Widget extends WP_Widget {
/**
* Register widget with WordPress.
*/
public function __construct() {
parent::__construct(
'image',
/** This filter is documented in modules/widgets/facebook-likebox.php */
apply_filters( 'jetpack_widget_name', esc_html__( 'Image', 'jetpack' ) ),
array(
'classname' => 'widget_image',
'description' => __( 'Display an image in your sidebar', 'jetpack' ),
'customize_selective_refresh' => true,
)
);
}
/**
* Loads file for front-end widget style.
*
* @uses wp_enqueue_style(), plugins_url()
*/
public function enqueue_style() {
wp_enqueue_style( 'jetpack_image_widget', plugins_url( 'image-widget/style.css', __FILE__ ), array(), '20140808' );
}
/**
* Front-end display of widget.
*
* @see WP_Widget::widget()
*
* @param array $args Widget arguments.
* @param array $instance Saved values from database.
*/
public function widget( $args, $instance ) {
echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
$instance = wp_parse_args(
$instance,
array(
'title' => '',
'img_url' => '',
)
);
/** This filter is documented in core/src/wp-includes/default-widgets.php */
$title = apply_filters( 'widget_title', $instance['title'] );
if ( $title ) {
echo $args['before_title'] . $title . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
if ( $instance['img_url'] ) {
// Enqueue front end assets.
$this->enqueue_style();
$output = '' . $output . '';
}
if ( '' !== (string) $instance['caption'] ) {
/** This filter is documented in core/src/wp-includes/default-widgets.php */
$caption = apply_filters( 'widget_text', $instance['caption'] );
$img_width = ( ! empty( $instance['img_width'] ) ? 'style="width: ' . esc_attr( $instance['img_width'] ) . 'px"' : '' );
$output = '
' . wp_kses( sprintf( /* translators: %s link to the widget settings page. */ __( 'Image missing or invalid URL. Please check the Image widget URL in your widget settings.', 'jetpack' ), admin_url( 'widgets.php' ) ), array( 'a' => array( 'href' => array(), ), ) ) . '
'; } echo "\n" . $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped /** This action is documented in modules/widgets/gravatar-profile.php */ do_action( 'jetpack_stats_extra', 'widget_view', 'image' ); } /** * Sanitize widget form values as they are saved. * * @see WP_Widget::update() * * @param array $new_instance Values just sent to be saved. * @param array $old_instance Previously saved values from database. * * @return array Updated safe values to be saved. */ public function update( $new_instance, $old_instance ) { $allowed_caption_html = array( 'a' => array( 'href' => array(), 'title' => array(), ), 'b' => array(), 'em' => array(), 'i' => array(), 'p' => array(), 'strong' => array(), ); $instance = $old_instance; $instance['title'] = wp_strip_all_tags( $new_instance['title'] ); $instance['img_url'] = esc_url( trim( $new_instance['img_url'] ) ); $instance['alt_text'] = wp_strip_all_tags( $new_instance['alt_text'] ); $instance['img_title'] = wp_strip_all_tags( $new_instance['img_title'] ); $instance['caption'] = wp_kses( stripslashes( $new_instance['caption'] ), $allowed_caption_html ); $instance['align'] = $new_instance['align']; $instance['link'] = esc_url( trim( $new_instance['link'] ) ); $instance['link_target_blank'] = isset( $new_instance['link_target_blank'] ) ? (bool) $new_instance['link_target_blank'] : false; $new_img_width = absint( $new_instance['img_width'] ); $new_img_height = absint( $new_instance['img_height'] ); if ( ! empty( $instance['img_url'] ) && 0 === $new_img_width && 0 === $new_img_height ) { // Download the url to a local temp file and then process it with getimagesize so we can optimize browser layout. $tmp_file = download_url( $instance['img_url'], 10 ); if ( ! is_wp_error( $tmp_file ) ) { $size = getimagesize( $tmp_file ); $width = $size[0]; $instance['img_width'] = absint( $width ); $height = $size[1]; $instance['img_height'] = absint( $height ); wp_delete_file( $tmp_file ); } else { $instance['img_width'] = $new_img_width; $instance['img_height'] = $new_img_height; } } else { $instance['img_width'] = $new_img_width; $instance['img_height'] = $new_img_height; } return $instance; } /** * Back end widget form. * * @see WP_Widget::form() * * @param array $instance Previously saved values from database. */ public function form( $instance ) { // Defaults. $instance = wp_parse_args( (array) $instance, array( 'title' => '', 'img_url' => '', 'alt_text' => '', 'img_title' => '', 'caption' => '', 'align' => 'none', 'img_width' => '', 'img_height' => '', 'link' => '', 'link_target_blank' => false, ) ); $title = esc_attr( $instance['title'] ); $img_url = esc_url( $instance['img_url'], null, 'display' ); $alt_text = esc_attr( $instance['alt_text'] ); $img_title = esc_attr( $instance['img_title'] ); $caption = esc_textarea( $instance['caption'] ); $align = esc_attr( $instance['align'] ); $img_width = esc_attr( $instance['img_width'] ); $img_height = esc_attr( $instance['img_height'] ); $link_target_blank = checked( $instance['link_target_blank'], true, false ); $link = esc_url( $instance['link'], null, 'display' ); echo ' '; $alignments = array( 'none' => __( 'None', 'jetpack' ), 'left' => __( 'Left', 'jetpack' ), 'center' => __( 'Center', 'jetpack' ), 'right' => __( 'Right', 'jetpack' ), ); echo ''; echo '
' . esc_html__( 'If empty, we will attempt to determine the image size.', 'jetpack' ) . '
'; } } // Class Jetpack_Image_Widget