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<?php // phpcs:ignore eWordPress.Files.FileName.InvalidClassFileName /** * Module Name: Gallery widget * * @package automattic/jetpack */ // phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move classes to appropriately-named class files. use Automattic\Jetpack\Assets; use Automattic\Jetpack\Image_CDN\Image_CDN_Core; /** * Jetpack_Gallery_Widget main class. */ class Jetpack_Gallery_Widget extends WP_Widget { const THUMB_SIZE = 45; const DEFAULT_WIDTH = 265; /** * The width of the gallery widget. * May be customized by the 'gallery_widget_content_width' filter. * * @var int */ protected $instance_width; /** * Jetpack_Gallery_Widget constructor. */ public function __construct() { $widget_ops = array( 'classname' => 'widget-gallery', 'description' => __( 'Display a photo gallery or slideshow', 'jetpack' ), 'customize_selective_refresh' => true, ); add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_scripts' ) ); parent::__construct( 'gallery', /** This filter is documented in modules/widgets/facebook-likebox.php */ apply_filters( 'jetpack_widget_name', __( 'Gallery', 'jetpack' ) ), $widget_ops ); if ( is_customize_preview() ) { add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_frontend_scripts' ) ); if ( class_exists( 'Jetpack_Tiled_Gallery' ) ) { add_action( 'wp_enqueue_scripts', array( 'Jetpack_Tiled_Gallery', 'default_scripts_and_styles' ) ); } if ( class_exists( 'Jetpack_Slideshow_Shortcode' ) ) { $slideshow = new Jetpack_Slideshow_Shortcode(); add_action( 'wp_enqueue_scripts', array( $slideshow, 'enqueue_scripts' ) ); } if ( class_exists( 'Jetpack_Carousel' ) ) { $carousel = new Jetpack_Carousel(); add_action( 'wp_enqueue_scripts', array( $carousel, 'enqueue_assets' ) ); } } } /** * Display the widget. * * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget. * @param array $instance The settings for the particular instance of the widget. */ public function widget( $args, $instance ) { $instance = wp_parse_args( (array) $instance, $this->defaults() ); $this->enqueue_frontend_scripts(); $before_widget = isset( $args['before_widget'] ) ? $args['before_widget'] : ''; $before_title = isset( $args['before_title'] ) ? $args['before_title'] : ''; $after_title = isset( $args['after_title'] ) ? $args['after_title'] : ''; $after_widget = isset( $args['after_widget'] ) ? $args['after_widget'] : ''; $instance['attachments'] = $this->get_attachments( $instance ); $classes = array(); $classes[] = 'widget-gallery-' . $instance['type']; /* * Due to a bug in the carousel plugin, * carousels will be triggered for all tiled galleries that exist on a page with other tiled galleries, * regardless of whether or not the widget was set to Carousel mode. * The onClick selector is simply too broad, since it was not written with widgets in mind. * This special class prevents that behavior, via an override handler in gallery.js. */ if ( 'carousel' !== $instance['link'] && 'slideshow' !== $instance['type'] ) { $classes[] = 'no-carousel'; } else { $classes[] = 'carousel'; } $classes = implode( ' ', $classes ); if ( 'carousel' === $instance['link'] ) { require_once plugin_dir_path( realpath( __DIR__ . '/../carousel/jetpack-carousel.php' ) ) . 'jetpack-carousel.php'; if ( class_exists( 'Jetpack_Carousel' ) ) { // Create new carousel so we can use the enqueue_assets() method. Not ideal, but there is a decent amount // of logic in that method that shouldn't be duplicated. $carousel = new Jetpack_Carousel(); // First parameter is $output, which comes from filters, and causes bypass of the asset enqueuing. Passing null is correct. $carousel->enqueue_assets( null ); } } echo $before_widget . "\n"; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped /** This filter is documented in core/src/wp-includes/default-widgets.php */ $title = apply_filters( 'widget_title', $instance['title'] ); if ( $title ) { echo $before_title . $title . $after_title . "\n"; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped } echo '<div class="' . esc_attr( $classes ) . '">' . "\n"; $method = $instance['type'] . '_widget'; /** * Allow the width of a gallery to be altered by themes or other code. * * @module widgets * * @since 2.5.0 * * @param int self::DEFAULT_WIDTH Default gallery width. Default is 265. * @param string $args Display arguments including before_title, after_title, before_widget, and after_widget. * @param array $instance The settings for the particular instance of the widget. */ $this->instance_width = apply_filters( 'gallery_widget_content_width', self::DEFAULT_WIDTH, $args, $instance ); // Register a filter to modify the tiled_gallery_content_width, so Jetpack_Tiled_Gallery // can appropriately size the tiles. add_filter( 'tiled_gallery_content_width', array( $this, 'tiled_gallery_content_width' ) ); if ( method_exists( $this, $method ) ) { echo $this->$method( $args, $instance ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped } // Remove the stored $instance_width, as it is no longer needed. $this->instance_width = null; // Remove the filter, so any Jetpack_Tiled_Gallery in a post is not affected. remove_filter( 'tiled_gallery_content_width', array( $this, 'tiled_gallery_content_width' ) ); echo "\n" . '</div>'; // .widget-gallery-$type echo "\n" . $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', 'gallery' ); } /** * Fetch the images attached to the gallery Widget * * @param array $instance The Widget instance for which you'd like attachments. * @return array Array of attachment objects for the Widget in $instance */ public function get_attachments( $instance ) { $ids = explode( ',', $instance['ids'] ); if ( isset( $instance['random'] ) && 'on' === $instance['random'] ) { shuffle( $ids ); } $attachments_query = new WP_Query( array( 'post__in' => $ids, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'posts_per_page' => -1, 'orderby' => 'post__in', ) ); $attachments = $attachments_query->get_posts(); wp_reset_postdata(); return $attachments; } /** * Generate HTML for a rectangular, tiled Widget * * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget. * @param array $instance The Widget instance to generate HTML for. * @return string String of HTML representing a rectangular gallery */ public function rectangular_widget( $args, $instance ) { if ( ! class_exists( 'Jetpack_Tiled_Gallery' ) && ! class_exists( 'Jetpack_Tiled_Gallery_Layout_Rectangular' ) ) { return; } Jetpack_Tiled_Gallery::default_scripts_and_styles(); $layout = new Jetpack_Tiled_Gallery_Layout_Rectangular( $instance['attachments'], $instance['link'], false, 3 ); return $layout->HTML(); } /** * Generate HTML for a square (grid style) Widget * * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget. * @param array $instance The Widget instance to generate HTML for. * @return string String of HTML representing a square gallery */ public function square_widget( $args, $instance ) { if ( ! class_exists( 'Jetpack_Tiled_Gallery' ) && ! class_exists( 'Jetpack_Tiled_Gallery_Layout_Square' ) ) { return; } Jetpack_Tiled_Gallery::default_scripts_and_styles(); $layout = new Jetpack_Tiled_Gallery_Layout_Square( $instance['attachments'], $instance['link'], false, 3 ); return $layout->HTML(); } /** * Generate HTML for a circular (grid style) Widget * * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget. * @param array $instance The Widget instance to generate HTML for. * @return string String of HTML representing a circular gallery */ public function circle_widget( $args, $instance ) { if ( ! class_exists( 'Jetpack_Tiled_Gallery' ) && ! class_exists( 'Jetpack_Tiled_Gallery_Layout_Circle' ) ) { return; } Jetpack_Tiled_Gallery::default_scripts_and_styles(); $layout = new Jetpack_Tiled_Gallery_Layout_Circle( $instance['attachments'], $instance['link'], false, 3 ); return $layout->HTML(); } /** * Generate HTML for a slideshow Widget * * @todo Is slideshow_widget() still used? * * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget. * @param array $instance The Widget instance to generate HTML for. * @return string String of HTML representing a slideshow gallery */ public function slideshow_widget( $args, $instance ) { global $content_width; require_once plugin_dir_path( realpath( __DIR__ . '/../shortcodes/slideshow.php' ) ) . 'slideshow.php'; if ( ! class_exists( 'Jetpack_Slideshow_Shortcode' ) ) { return; } if ( count( $instance['attachments'] ) < 1 ) { return; } $slideshow = new Jetpack_Slideshow_Shortcode(); $slideshow->enqueue_scripts(); $gallery_instance = 'widget-' . $args['widget_id']; $gallery = array(); foreach ( $instance['attachments'] as $attachment ) { $attachment_image_src = wp_get_attachment_image_src( $attachment->ID, 'full' ); $attachment_image_src = Image_CDN_Core::cdn_url( $attachment_image_src[0], array( 'w' => $this->instance_width ) ); /** [url, width, height] */ $caption = wptexturize( wp_strip_all_tags( $attachment->post_excerpt ) ); $gallery[] = (object) array( 'src' => (string) esc_url_raw( $attachment_image_src ), 'id' => (string) $attachment->ID, 'caption' => (string) $caption, ); } $max_width = (int) get_option( 'large_size_w' ); $max_height = 175; if ( (int) $content_width > 0 ) { $max_width = min( (int) $content_width, $max_width ); } $color = Jetpack_Options::get_option( 'slideshow_background_color', 'black' ); $js_attr = array( 'gallery' => $gallery, 'selector' => $gallery_instance, 'width' => $max_width, 'height' => $max_height, 'trans' => 'fade', 'color' => $color, 'autostart' => true, ); $html = $slideshow->slideshow_js( $js_attr ); return $html; } /** * Used to adjust the content width of Jetpack_Tiled_Gallery's in sidebars * * $this->instance_width is filtered in widget() and this filter is added then removed in widget() * * @return int The filtered width */ public function tiled_gallery_content_width() { return $this->instance_width; } /** * Outputs the widget settings form. * * @html-template-var array $instance * @html-template-var array<string,array<string|int,string|int>> $allowed_values * * @param array $instance Current settings. */ public function form( $instance ) { $defaults = $this->defaults(); $allowed_values = $this->allowed_values(); // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable -- Used in included form template. $instance = wp_parse_args( (array) $instance, $defaults ); include __DIR__ . '/gallery/templates/form.php'; } /** * Save the widget options. * * @param array $new_instance The new instance options. * @param array $old_instance The old instance options. * @return array The saved options. */ public function update( $new_instance, $old_instance ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable $instance = $this->sanitize( $new_instance ); return $instance; } /** * Sanitize the $instance's values to the set of allowed values. If a value is not acceptable, * it is set to its default. * * Helps keep things nice and secure by listing only allowed values. * * @param array $instance The Widget instance to sanitize values for. * @return array $instance The Widget instance with values sanitized */ public function sanitize( $instance ) { $allowed_values = $this->allowed_values(); $defaults = $this->defaults(); foreach ( $instance as $key => $value ) { if ( ! is_scalar( $value ) ) { // $instance may hold an Array value type for the Jetpack widget visibility feature. continue; } $value = trim( $value ); if ( isset( $allowed_values[ $key ] ) && $allowed_values[ $key ] && ! array_key_exists( $value, $allowed_values[ $key ] ) ) { $instance[ $key ] = $defaults[ $key ]; } else { $instance[ $key ] = sanitize_text_field( $value ); } } return $instance; } /** * Return a multi-dimensional array of allowed values (and their labels) for all widget form * elements * * To allow all values on an input, omit it from the returned array * * @return array Array of allowed values for each option */ public function allowed_values() { $max_columns = 5; // Create an associative array of allowed column values. This just automates the generation of // column <option>s, from 1 to $max_columns. $allowed_columns = array_combine( range( 1, $max_columns ), range( 1, $max_columns ) ); return array( 'type' => array( 'rectangular' => __( 'Tiles', 'jetpack' ), 'square' => __( 'Square Tiles', 'jetpack' ), 'circle' => __( 'Circles', 'jetpack' ), 'slideshow' => __( 'Slideshow', 'jetpack' ), ), 'columns' => $allowed_columns, 'link' => array( 'carousel' => __( 'Carousel', 'jetpack' ), 'post' => __( 'Attachment Page', 'jetpack' ), 'file' => __( 'Media File', 'jetpack' ), ), ); } /** * Return an associative array of default values * * These values are used in new widgets as well as when sanitizing input. If a given value is not allowed, * as defined in allowed_values(), that input is set to the default value defined here. * * @return array Array of default values for the Widget's options */ public function defaults() { return array( 'title' => '', 'type' => 'rectangular', 'ids' => '', 'columns' => 3, 'link' => 'carousel', ); } /** * Enqueue frontend scripts. */ public function enqueue_frontend_scripts() { wp_register_script( 'gallery-widget', Assets::get_file_url_for_environment( '_inc/build/widgets/gallery/js/gallery.min.js', 'modules/widgets/gallery/js/gallery.js' ), array( 'jquery' ), JETPACK__VERSION, false ); wp_enqueue_script( 'gallery-widget' ); } /** * Enqueue admin scripts and styles. */ public function enqueue_admin_scripts() { global $pagenow; if ( 'widgets.php' === $pagenow || 'customize.php' === $pagenow ) { wp_enqueue_media(); wp_enqueue_script( 'gallery-widget-admin', Assets::get_file_url_for_environment( '_inc/build/widgets/gallery/js/admin.min.js', 'modules/widgets/gallery/js/admin.js' ), array( 'jquery', 'media-models', 'media-views', ), '20150501', false ); $js_settings = array( 'thumbSize' => self::THUMB_SIZE, ); wp_localize_script( 'gallery-widget-admin', '_wpGalleryWidgetAdminSettings', $js_settings ); wp_enqueue_style( 'gallery-widget-admin', plugins_url( '/gallery/css/admin.css', __FILE__ ), array(), JETPACK__VERSION ); wp_style_add_data( 'gallery-widget-admin', 'rtl', 'replace' ); } } } add_action( 'widgets_init', 'jetpack_gallery_widget_init' ); /** * Jetpack Gallery widget init; the widget is conditionally registered. */ function jetpack_gallery_widget_init() { /** * Allow the Gallery Widget to be enabled even when Core supports the Media Gallery Widget * * @module widgets * * @since 5.5.0 * * @param bool false Whether to force-enable the gallery widget */ if ( ! apply_filters( 'jetpack_force_enable_gallery_widget', false ) && class_exists( 'WP_Widget_Media_Gallery' ) && Jetpack_Options::get_option( 'gallery_widget_migration' ) ) { return; } if ( ! method_exists( 'Jetpack', 'is_module_active' ) || Jetpack::is_module_active( 'tiled-gallery' ) ) { register_widget( 'Jetpack_Gallery_Widget' ); } }