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<?php /** * Screen API: WP_Screen class * * @package WordPress * @subpackage Administration * @since 4.4.0 / /* * Core class used to implement an admin screen API. * * @since 3.3.0 / #[AllowDynamicProperties] final class WP_Screen { /* * Any action associated with the screen. * * 'add' for -add.php and -new.php screens. Empty otherwise. * * @since 3.3.0 * @var string / public $action; /* * The base type of the screen. * * This is typically the same as `$id` but with any post types and taxonomies stripped. * For example, for an `$id` of 'edit-post' the base is 'edit'. * * @since 3.3.0 * @var string / public $base; /* * The number of columns to display. Access with get_columns(). * * @since 3.4.0 * @var int / private $columns = 0; /* * The unique ID of the screen. * * @since 3.3.0 * @var string / public $id; /* * Which admin the screen is in. network \| user \| site \| false * * @since 3.5.0 * @var string / protected $in_admin; /* * Whether the screen is in the network admin. * * Deprecated. Use in_admin() instead. * * @since 3.3.0 * @deprecated 3.5.0 * @var bool / public $is_network; /* * Whether the screen is in the user admin. * * Deprecated. Use in_admin() instead. * * @since 3.3.0 * @deprecated 3.5.0 * @var bool / public $is_user; /* * The base menu parent. * * This is derived from `$parent_file` by removing the query string and any .php extension. * `$parent_file` values of 'edit.php?post_type=page' and 'edit.php?post_type=post' * have a `$parent_base` of 'edit'. * * @since 3.3.0 * @var string\|null / public $parent_base; /* * The parent_file for the screen per the admin menu system. * * Some `$parent_file` values are 'edit.php?post_type=page', 'edit.php', and 'options-general.php'. * * @since 3.3.0 * @var string\|null / public $parent_file; /* * The post type associated with the screen, if any. * * The 'edit.php?post_type=page' screen has a post type of 'page'. * The 'edit-tags.php?taxonomy=$taxonomy&post_type=page' screen has a post type of 'page'. * * @since 3.3.0 * @var string / public $post_type; /* * The taxonomy associated with the screen, if any. * * The 'edit-tags.php?taxonomy=category' screen has a taxonomy of 'category'. * * @since 3.3.0 * @var string / public $taxonomy; /* * The help tab data associated with the screen, if any. * * @since 3.3.0 * @var array / private $_help_tabs = array(); /* * The help sidebar data associated with screen, if any. * * @since 3.3.0 * @var string / private $_help_sidebar = ''; /* * The accessible hidden headings and text associated with the screen, if any. * * @since 4.4.0 * @var string[] / private $_screen_reader_content = array(); /* * Stores old string-based help. * * @var array / private static $_old_compat_help = array(); /* * The screen options associated with screen, if any. * * @since 3.3.0 * @var array / private $_options = array(); /* * The screen object registry. * * @since 3.3.0 * * @var array / private static $_registry = array(); /* * Stores the result of the public show_screen_options function. * * @since 3.3.0 * @var bool / private $_show_screen_options; /* * Stores the 'screen_settings' section of screen options. * * @since 3.3.0 * @var string / private $_screen_settings; /* * Whether the screen is using the block editor. * * @since 5.0.0 * @var bool / public $is_block_editor = false; /* * Fetches a screen object. * * @since 3.3.0 * * @global string $hook_suffix * * @param string\|WP_Screen $hook_name Optional. The hook name (also known as the hook suffix) used to determine the screen. * Defaults to the current $hook_suffix global. * @return WP_Screen Screen object. / public static function get( $hook_name = '' ) { if ( $hook_name instanceof WP_Screen ) { return $hook_name; } $id = ''; $post_type = null; $taxonomy = null; $in_admin = false; $action = ''; $is_block_editor = false; if ( $hook_name ) { $id = $hook_name; } elseif ( ! empty( $GLOBALS['hook_suffix'] ) ) { $id = $GLOBALS['hook_suffix']; } // For those pesky meta boxes. if ( $hook_name && post_type_exists( $hook_name ) ) { $post_type = $id; $id = 'post'; // Changes later. Ends up being $base. } else { if ( str_ends_with( $id, '.php' ) ) { $id = substr( $id, 0, -4 ); } if ( in_array( $id, array( 'post-new', 'link-add', 'media-new', 'user-new' ), true ) ) { $id = substr( $id, 0, -4 ); $action = 'add'; } } if ( ! $post_type && $hook_name ) { if ( str_ends_with( $id, '-network' ) ) { $id = substr( $id, 0, -8 ); $in_admin = 'network'; } elseif ( str_ends_with( $id, '-user' ) ) { $id = substr( $id, 0, -5 ); $in_admin = 'user'; } $id = sanitize_key( $id ); if ( 'edit-comments' !== $id && 'edit-tags' !== $id && str_starts_with( $id, 'edit-' ) ) { $maybe = substr( $id, 5 ); if ( taxonomy_exists( $maybe ) ) { $id = 'edit-tags'; $taxonomy = $maybe; } elseif ( post_type_exists( $maybe ) ) { $id = 'edit'; $post_type = $maybe; } } if ( ! $in_admin ) { $in_admin = 'site'; } } else { if ( defined( 'WP_NETWORK_ADMIN' ) && WP_NETWORK_ADMIN ) { $in_admin = 'network'; } elseif ( defined( 'WP_USER_ADMIN' ) && WP_USER_ADMIN ) { $in_admin = 'user'; } else { $in_admin = 'site'; } } if ( 'index' === $id ) { $id = 'dashboard'; } elseif ( 'front' === $id ) { $in_admin = false; } $base = $id; // If this is the current screen, see if we can be more accurate for post types and taxonomies. if ( ! $hook_name ) { if ( isset( $_REQUEST['post_type'] ) ) { $post_type = post_type_exists( $_REQUEST['post_type'] ) ? $_REQUEST['post_type'] : false; } if ( isset( $_REQUEST['taxonomy'] ) ) { $taxonomy = taxonomy_exists( $_REQUEST['taxonomy'] ) ? $_REQUEST['taxonomy'] : false; } switch ( $base ) { case 'post': if ( isset( $_GET['post'] ) && isset( $_POST['post_ID'] ) && (int) $_GET['post'] !== (int) $_POST['post_ID'] ) { wp_die( __( 'A post ID mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 ); } elseif ( isset( $_GET['post'] ) ) { $post_id = (int) $_GET['post']; } elseif ( isset( $_POST['post_ID'] ) ) { $post_id = (int) $_POST['post_ID']; } else { $post_id = 0; } if ( $post_id ) { $post = get_post( $post_id ); if ( $post ) { $post_type = $post->post_type; /* This filter is documented in wp-admin/post.php / $replace_editor = apply_filters( 'replace_editor', false, $post ); if ( ! $replace_editor ) { $is_block_editor = use_block_editor_for_post( $post ); } } } break; case 'edit-tags': case 'term': if ( null === $post_type && is_object_in_taxonomy( 'post', $taxonomy ? $taxonomy : 'post_tag' ) ) { $post_type = 'post'; } break; case 'upload': $post_type = 'attachment'; break; } } switch ( $base ) { case 'post': if ( null === $post_type ) { $post_type = 'post'; } // When creating a new post, use the default block editor support value for the post type. if ( empty( $post_id ) ) { $is_block_editor = use_block_editor_for_post_type( $post_type ); } $id = $post_type; break; case 'edit': if ( null === $post_type ) { $post_type = 'post'; } $id .= '-' . $post_type; break; case 'edit-tags': case 'term': if ( null === $taxonomy ) { $taxonomy = 'post_tag'; } // The edit-tags ID does not contain the post type. Look for it in the request. if ( null === $post_type ) { $post_type = 'post'; if ( isset( $_REQUEST['post_type'] ) && post_type_exists( $_REQUEST['post_type'] ) ) { $post_type = $_REQUEST['post_type']; } } $id = 'edit-' . $taxonomy; break; } if ( 'network' === $in_admin ) { $id .= '-network'; $base .= '-network'; } elseif ( 'user' === $in_admin ) { $id .= '-user'; $base .= '-user'; } if ( isset( self::$_registry[ $id ] ) ) { $screen = self::$_registry[ $id ]; if ( get_current_screen() === $screen ) { return $screen; } } else { $screen = new self(); $screen->id = $id; } $screen->base = $base; $screen->action = $action; $screen->post_type = (string) $post_type; $screen->taxonomy = (string) $taxonomy; $screen->is_user = ( 'user' === $in_admin ); $screen->is_network = ( 'network' === $in_admin ); $screen->in_admin = $in_admin; $screen->is_block_editor = $is_block_editor; self::$_registry[ $id ] = $screen; return $screen; } /* * Makes the screen object the current screen. * * @see set_current_screen() * @since 3.3.0 * * @global WP_Screen $current_screen WordPress current screen object. * @global string $typenow The post type of the current screen. * @global string $taxnow The taxonomy of the current screen. / public function set_current_screen() { global $current_screen, $taxnow, $typenow; $current_screen = $this; $typenow = $this->post_type; $taxnow = $this->taxonomy; /* * Fires after the current screen has been set. * * @since 3.0.0 * * @param WP_Screen $current_screen Current WP_Screen object. / do_action( 'current_screen', $current_screen ); } /* * Constructor * * @since 3.3.0 / private function __construct() {} /* * Indicates whether the screen is in a particular admin. * * @since 3.5.0 * * @param string $admin The admin to check against (network \| user \| site). * If empty any of the three admins will result in true. * @return bool True if the screen is in the indicated admin, false otherwise. / public function in_admin( $admin = null ) { if ( empty( $admin ) ) { return (bool) $this->in_admin; } return ( $admin === $this->in_admin ); } /* * Sets or returns whether the block editor is loading on the current screen. * * @since 5.0.0 * * @param bool $set Optional. Sets whether the block editor is loading on the current screen or not. * @return bool True if the block editor is being loaded, false otherwise. / public function is_block_editor( $set = null ) { if ( null !== $set ) { $this->is_block_editor = (bool) $set; } return $this->is_block_editor; } /* * Sets the old string-based contextual help for the screen for backward compatibility. * * @since 3.3.0 * * @param WP_Screen $screen A screen object. * @param string $help Help text. / public static function add_old_compat_help( $screen, $help ) { self::$_old_compat_help[ $screen->id ] = $help; } /* * Sets the parent information for the screen. * * This is called in admin-header.php after the menu parent for the screen has been determined. * * @since 3.3.0 * * @param string $parent_file The parent file of the screen. Typically the $parent_file global. / public function set_parentage( $parent_file ) { $this->parent_file = $parent_file; list( $this->parent_base ) = explode( '?', $parent_file ); $this->parent_base = str_replace( '.php', '', $this->parent_base ); } /* * Adds an option for the screen. * * Call this in template files after admin.php is loaded and before admin-header.php is loaded * to add screen options. * * @since 3.3.0 * * @param string $option Option ID. * @param mixed $args Option-dependent arguments. / public function add_option( $option, $args = array() ) { $this->_options[ $option ] = $args; } /* * Removes an option from the screen. * * @since 3.8.0 * * @param string $option Option ID. / public function remove_option( $option ) { unset( $this->_options[ $option ] ); } /* * Removes all options from the screen. * * @since 3.8.0 / public function remove_options() { $this->_options = array(); } /* * Gets the options registered for the screen. * * @since 3.8.0 * * @return array Options with arguments. / public function get_options() { return $this->_options; } /* * Gets the arguments for an option for the screen. * * @since 3.3.0 * * @param string $option Option name. * @param string\|false $key Optional. Specific array key for when the option is an array. * Default false. * @return string The option value if set, null otherwise. / public function get_option( $option, $key = false ) { if ( ! isset( $this->_options[ $option ] ) ) { return null; } if ( $key ) { if ( isset( $this->_options[ $option ][ $key ] ) ) { return $this->_options[ $option ][ $key ]; } return null; } return $this->_options[ $option ]; } /* * Gets the help tabs registered for the screen. * * @since 3.4.0 * @since 4.4.0 Help tabs are ordered by their priority. * * @return array Help tabs with arguments. / public function get_help_tabs() { $help_tabs = $this->_help_tabs; $priorities = array(); foreach ( $help_tabs as $help_tab ) { if ( isset( $priorities[ $help_tab['priority'] ] ) ) { $priorities[ $help_tab['priority'] ][] = $help_tab; } else { $priorities[ $help_tab['priority'] ] = array( $help_tab ); } } ksort( $priorities ); $sorted = array(); foreach ( $priorities as $list ) { foreach ( $list as $tab ) { $sorted[ $tab['id'] ] = $tab; } } return $sorted; } /* * Gets the arguments for a help tab. * * @since 3.4.0 * * @param string $id Help Tab ID. * @return array Help tab arguments. / public function get_help_tab( $id ) { if ( ! isset( $this->_help_tabs[ $id ] ) ) { return null; } return $this->_help_tabs[ $id ]; } /* * Adds a help tab to the contextual help for the screen. * * Call this on the `load-$pagenow` hook for the relevant screen, * or fetch the `$current_screen` object, or use get_current_screen() * and then call the method from the object. * * You may need to filter `$current_screen` using an if or switch statement * to prevent new help tabs from being added to ALL admin screens. * * @since 3.3.0 * @since 4.4.0 The `$priority` argument was added. * * @param array $args { * Array of arguments used to display the help tab. * * @type string $title Title for the tab. Default false. * @type string $id Tab ID. Must be HTML-safe and should be unique for this menu. * It is NOT allowed to contain any empty spaces. Default false. * @type string $content Optional. Help tab content in plain text or HTML. Default empty string. * @type callable $callback Optional. A callback to generate the tab content. Default false. * @type int $priority Optional. The priority of the tab, used for ordering. Default 10. * } / public function add_help_tab( $args ) { $defaults = array( 'title' => false, 'id' => false, 'content' => '', 'callback' => false, 'priority' => 10, ); $args = wp_parse_args( $args, $defaults ); $args['id'] = sanitize_html_class( $args['id'] ); // Ensure we have an ID and title. if ( ! $args['id'] \|\| ! $args['title'] ) { return; } // Allows for overriding an existing tab with that ID. $this->_help_tabs[ $args['id'] ] = $args; } /* * Removes a help tab from the contextual help for the screen. * * @since 3.3.0 * * @param string $id The help tab ID. / public function remove_help_tab( $id ) { unset( $this->_help_tabs[ $id ] ); } /* * Removes all help tabs from the contextual help for the screen. * * @since 3.3.0 / public function remove_help_tabs() { $this->_help_tabs = array(); } /* * Gets the content from a contextual help sidebar. * * @since 3.4.0 * * @return string Contents of the help sidebar. / public function get_help_sidebar() { return $this->_help_sidebar; } /* * Adds a sidebar to the contextual help for the screen. * * Call this in template files after admin.php is loaded and before admin-header.php is loaded * to add a sidebar to the contextual help. * * @since 3.3.0 * * @param string $content Sidebar content in plain text or HTML. / public function set_help_sidebar( $content ) { $this->_help_sidebar = $content; } /* * Gets the number of layout columns the user has selected. * * The layout_columns option controls the max number and default number of * columns. This method returns the number of columns within that range selected * by the user via Screen Options. If no selection has been made, the default * provisioned in layout_columns is returned. If the screen does not support * selecting the number of layout columns, 0 is returned. * * @since 3.4.0 * * @return int Number of columns to display. / public function get_columns() { return $this->columns; } /* * Gets the accessible hidden headings and text used in the screen. * * @since 4.4.0 * * @see set_screen_reader_content() For more information on the array format. * * @return string[] An associative array of screen reader text strings. / public function get_screen_reader_content() { return $this->_screen_reader_content; } /* * Gets a screen reader text string. * * @since 4.4.0 * * @param string $key Screen reader text array named key. * @return string Screen reader text string. / public function get_screen_reader_text( $key ) { if ( ! isset( $this->_screen_reader_content[ $key ] ) ) { return null; } return $this->_screen_reader_content[ $key ]; } /* * Adds accessible hidden headings and text for the screen. * * @since 4.4.0 * * @param array $content { * An associative array of screen reader text strings. * * @type string $heading_views Screen reader text for the filter links heading. * Default 'Filter items list'. * @type string $heading_pagination Screen reader text for the pagination heading. * Default 'Items list navigation'. * @type string $heading_list Screen reader text for the items list heading. * Default 'Items list'. * } / public function set_screen_reader_content( $content = array() ) { $defaults = array( 'heading_views' => __( 'Filter items list' ), 'heading_pagination' => __( 'Items list navigation' ), 'heading_list' => __( 'Items list' ), ); $content = wp_parse_args( $content, $defaults ); $this->_screen_reader_content = $content; } /* * Removes all the accessible hidden headings and text for the screen. * * @since 4.4.0 / public function remove_screen_reader_content() { $this->_screen_reader_content = array(); } /* * Renders the screen's help section. * * This will trigger the deprecated filters for backward compatibility. * * @since 3.3.0 * * @global string $screen_layout_columns / public function render_screen_meta() { /* * Filters the legacy contextual help list. * * @since 2.7.0 * @deprecated 3.3.0 Use {@see get_current_screen()->add_help_tab()} or * {@see get_current_screen()->remove_help_tab()} instead. * * @param array $old_compat_help Old contextual help. * @param WP_Screen $screen Current WP_Screen instance. / self::$_old_compat_help = apply_filters_deprecated( 'contextual_help_list', array( self::$_old_compat_help, $this ), '3.3.0', 'get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab()' ); $old_help = isset( self::$_old_compat_help[ $this->id ] ) ? self::$_old_compat_help[ $this->id ] : ''; /* * Filters the legacy contextual help text. * * @since 2.7.0 * @deprecated 3.3.0 Use {@see get_current_screen()->add_help_tab()} or * {@see get_current_screen()->remove_help_tab()} instead. * * @param string $old_help Help text that appears on the screen. * @param string $screen_id Screen ID. * @param WP_Screen $screen Current WP_Screen instance. / $old_help = apply_filters_deprecated( 'contextual_help', array( $old_help, $this->id, $this ), '3.3.0', 'get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab()' ); // Default help only if there is no old-style block of text and no new-style help tabs. if ( empty( $old_help ) && ! $this->get_help_tabs() ) { /* * Filters the default legacy contextual help text. * * @since 2.8.0 * @deprecated 3.3.0 Use {@see get_current_screen()->add_help_tab()} or * {@see get_current_screen()->remove_help_tab()} instead. * * @param string $old_help_default Default contextual help text. / $default_help = apply_filters_deprecated( 'default_contextual_help', array( '' ), '3.3.0', 'get_current_screen()->add_help_tab(), get_current_screen()->remove_help_tab()' ); if ( $default_help ) { $old_help = '<p>' . $default_help . '</p>'; } } if ( $old_help ) { $this->add_help_tab( array( 'id' => 'old-contextual-help', 'title' => __( 'Overview' ), 'content' => $old_help, ) ); } $help_sidebar = $this->get_help_sidebar(); $help_class = 'hidden'; if ( ! $help_sidebar ) { $help_class .= ' no-sidebar'; } // Time to render! ?> <div id="screen-meta" class="metabox-prefs"> <div id="contextual-help-wrap" class="<?php echo esc_attr( $help_class ); ?>" tabindex="-1" aria-label="<?php esc_attr_e( 'Contextual Help Tab' ); ?>"> <div id="contextual-help-back"></div> <div id="contextual-help-columns"> <div class="contextual-help-tabs"> <ul> <?php $class = ' class="active"'; foreach ( $this->get_help_tabs() as $tab ) : $link_id = "tab-link-{$tab['id']}"; $panel_id = "tab-panel-{$tab['id']}"; ?> <li id="<?php echo esc_attr( $link_id ); ?>"<?php echo $class; ?>> <a href="<?php echo esc_url( "#$panel_id" ); ?>" aria-controls="<?php echo esc_attr( $panel_id ); ?>"> <?php echo esc_html( $tab['title'] ); ?> </a> </li> <?php $class = ''; endforeach; ?> </ul> </div> <?php if ( $help_sidebar ) : ?> <div class="contextual-help-sidebar"> <?php echo $help_sidebar; ?> </div> <?php endif; ?> <div class="contextual-help-tabs-wrap"> <?php $classes = 'help-tab-content active'; foreach ( $this->get_help_tabs() as $tab ) : $panel_id = "tab-panel-{$tab['id']}"; ?> <div id="<?php echo esc_attr( $panel_id ); ?>" class="<?php echo $classes; ?>"> <?php // Print tab content. echo $tab['content']; // If it exists, fire tab callback. if ( ! empty( $tab['callback'] ) ) { call_user_func_array( $tab['callback'], array( $this, $tab ) ); } ?> </div> <?php $classes = 'help-tab-content'; endforeach; ?> </div> </div> </div> <?php // Setup layout columns. /* * Filters the array of screen layout columns. * * This hook provides back-compat for plugins using the back-compat * Filters instead of add_screen_option(). * * @since 2.8.0 * * @param array $empty_columns Empty array. * @param string $screen_id Screen ID. * @param WP_Screen $screen Current WP_Screen instance. / $columns = apply_filters( 'screen_layout_columns', array(), $this->id, $this ); if ( ! empty( $columns ) && isset( $columns[ $this->id ] ) ) { $this->add_option( 'layout_columns', array( 'max' => $columns[ $this->id ] ) ); } if ( $this->get_option( 'layout_columns' ) ) { $this->columns = (int) get_user_option( "screen_layout_$this->id" ); if ( ! $this->columns && $this->get_option( 'layout_columns', 'default' ) ) { $this->columns = $this->get_option( 'layout_columns', 'default' ); } } $GLOBALS['screen_layout_columns'] = $this->columns; // Set the global for back-compat. // Add screen options. if ( $this->show_screen_options() ) { $this->render_screen_options(); } ?> </div> <?php if ( ! $this->get_help_tabs() && ! $this->show_screen_options() ) { return; } ?> <div id="screen-meta-links"> <?php if ( $this->show_screen_options() ) : ?> <div id="screen-options-link-wrap" class="hide-if-no-js screen-meta-toggle"> <button type="button" id="show-settings-link" class="button show-settings" aria-controls="screen-options-wrap" aria-expanded="false"><?php _e( 'Screen Options' ); ?></button> </div> <?php endif; if ( $this->get_help_tabs() ) : ?> <div id="contextual-help-link-wrap" class="hide-if-no-js screen-meta-toggle"> <button type="button" id="contextual-help-link" class="button show-settings" aria-controls="contextual-help-wrap" aria-expanded="false"><?php _e( 'Help' ); ?></button> </div> <?php endif; ?> </div> <?php } /* * @global array $wp_meta_boxes Global meta box state. * * @return bool / public function show_screen_options() { global $wp_meta_boxes; if ( is_bool( $this->_show_screen_options ) ) { return $this->_show_screen_options; } $columns = get_column_headers( $this ); $show_screen = ! empty( $wp_meta_boxes[ $this->id ] ) \|\| $columns \|\| $this->get_option( 'per_page' ); $this->_screen_settings = ''; if ( 'post' === $this->base ) { $expand = '<fieldset class="editor-expand hidden"><legend>' . __( 'Additional settings' ) . '</legend><label for="editor-expand-toggle">'; $expand .= '<input type="checkbox" id="editor-expand-toggle"' . checked( get_user_setting( 'editor_expand', 'on' ), 'on', false ) . ' />'; $expand .= __( 'Enable full-height editor and distraction-free functionality.' ) . '</label></fieldset>'; $this->_screen_settings = $expand; } /* * Filters the screen settings text displayed in the Screen Options tab. * * @since 3.0.0 * * @param string $screen_settings Screen settings. * @param WP_Screen $screen WP_Screen object. / $this->_screen_settings = apply_filters( 'screen_settings', $this->_screen_settings, $this ); if ( $this->_screen_settings \|\| $this->_options ) { $show_screen = true; } /* * Filters whether to show the Screen Options tab. * * @since 3.2.0 * * @param bool $show_screen Whether to show Screen Options tab. * Default true. * @param WP_Screen $screen Current WP_Screen instance. / $this->_show_screen_options = apply_filters( 'screen_options_show_screen', $show_screen, $this ); return $this->_show_screen_options; } /* * Renders the screen options tab. * * @since 3.3.0 * * @param array $options { * Options for the tab. * * @type bool $wrap Whether the screen-options-wrap div will be included. Defaults to true. * } / public function render_screen_options( $options = array() ) { $options = wp_parse_args( $options, array( 'wrap' => true, ) ); $wrapper_start = ''; $wrapper_end = ''; $form_start = ''; $form_end = ''; // Output optional wrapper. if ( $options['wrap'] ) { $wrapper_start = '<div id="screen-options-wrap" class="hidden" tabindex="-1" aria-label="' . esc_attr__( 'Screen Options Tab' ) . '">'; $wrapper_end = '</div>'; } // Don't output the form and nonce for the widgets accessibility mode links. if ( 'widgets' !== $this->base ) { $form_start = "\n<form id='adv-settings' method='post'>\n"; $form_end = "\n" . wp_nonce_field( 'screen-options-nonce', 'screenoptionnonce', false, false ) . "\n</form>\n"; } echo $wrapper_start . $form_start; $this->render_meta_boxes_preferences(); $this->render_list_table_columns_preferences(); $this->render_screen_layout(); $this->render_per_page_options(); $this->render_view_mode(); echo $this->_screen_settings; /* * Filters whether to show the Screen Options submit button. * * @since 4.4.0 * * @param bool $show_button Whether to show Screen Options submit button. * Default false. * @param WP_Screen $screen Current WP_Screen instance. / $show_button = apply_filters( 'screen_options_show_submit', false, $this ); if ( $show_button ) { submit_button( __( 'Apply' ), 'primary', 'screen-options-apply', true ); } echo $form_end . $wrapper_end; } /* * Renders the meta boxes preferences. * * @since 4.4.0 * * @global array $wp_meta_boxes Global meta box state. / public function render_meta_boxes_preferences() { global $wp_meta_boxes; if ( ! isset( $wp_meta_boxes[ $this->id ] ) ) { return; } ?> <fieldset class="metabox-prefs"> <legend><?php _e( 'Screen elements' ); ?></legend> <p> <?php _e( 'Some screen elements can be shown or hidden by using the checkboxes.' ); ?> <?php _e( 'Expand or collapse the elements by clicking on their headings, and arrange them by dragging their headings or by clicking on the up and down arrows.' ); ?> </p> <div class="metabox-prefs-container"> <?php meta_box_prefs( $this ); if ( 'dashboard' === $this->id && has_action( 'welcome_panel' ) && current_user_can( 'edit_theme_options' ) ) { if ( isset( $_GET['welcome'] ) ) { $welcome_checked = empty( $_GET['welcome'] ) ? 0 : 1; update_user_meta( get_current_user_id(), 'show_welcome_panel', $welcome_checked ); } else { $welcome_checked = (int) get_user_meta( get_current_user_id(), 'show_welcome_panel', true ); if ( 2 === $welcome_checked && wp_get_current_user()->user_email !== get_option( 'admin_email' ) ) { $welcome_checked = false; } } echo '<label for="wp_welcome_panel-hide">'; echo '<input type="checkbox" id="wp_welcome_panel-hide"' . checked( (bool) $welcome_checked, true, false ) . ' />'; echo _x( 'Welcome', 'Welcome panel' ) . "</label>\n"; } ?> </div> </fieldset> <?php } /* * Renders the list table columns preferences. * * @since 4.4.0 / public function render_list_table_columns_preferences() { $columns = get_column_headers( $this ); $hidden = get_hidden_columns( $this ); if ( ! $columns ) { return; } $legend = ! empty( $columns['_title'] ) ? $columns['_title'] : __( 'Columns' ); ?> <fieldset class="metabox-prefs"> <legend><?php echo $legend; ?></legend> <?php $special = array( '_title', 'cb', 'comment', 'media', 'name', 'title', 'username', 'blogname' ); foreach ( $columns as $column => $title ) { // Can't hide these for they are special. if ( in_array( $column, $special, true ) ) { continue; } if ( empty( $title ) ) { continue; } / * The Comments column uses HTML in the display name with some screen * reader text. Make sure to strip tags from the Comments column * title and any other custom column title plugins might add. / $title = wp_strip_all_tags( $title ); $id = "$column-hide"; echo '<label>'; echo '<input class="hide-column-tog" name="' . $id . '" type="checkbox" id="' . $id . '" value="' . $column . '"' . checked( ! in_array( $column, $hidden, true ), true, false ) . ' />'; echo "$title</label>\n"; } ?> </fieldset> <?php } /* * Renders the option for number of columns on the page. * * @since 3.3.0 / public function render_screen_layout() { if ( ! $this->get_option( 'layout_columns' ) ) { return; } $screen_layout_columns = $this->get_columns(); $num = $this->get_option( 'layout_columns', 'max' ); ?> <fieldset class='columns-prefs'> <legend class="screen-layout"><?php _e( 'Layout' ); ?></legend> <?php for ( $i = 1; $i <= $num; ++$i ) : ?> <label class="columns-prefs-<?php echo $i; ?>"> <input type='radio' name='screen_columns' value='<?php echo esc_attr( $i ); ?>' <?php checked( $screen_layout_columns, $i ); ?> /> <?php printf( / translators: %s: Number of columns on the page. / _n( '%s column', '%s columns', $i ), number_format_i18n( $i ) ); ?> </label> <?php endfor; ?> </fieldset> <?php } /* * Renders the items per page option. * * @since 3.3.0 / public function render_per_page_options() { if ( null === $this->get_option( 'per_page' ) ) { return; } $per_page_label = $this->get_option( 'per_page', 'label' ); if ( null === $per_page_label ) { $per_page_label = __( 'Number of items per page:' ); } $option = $this->get_option( 'per_page', 'option' ); if ( ! $option ) { $option = str_replace( '-', '_', "{$this->id}_per_page" ); } $per_page = (int) get_user_option( $option ); if ( empty( $per_page ) \|\| $per_page < 1 ) { $per_page = $this->get_option( 'per_page', 'default' ); if ( ! $per_page ) { $per_page = 20; } } if ( 'edit_comments_per_page' === $option ) { $comment_status = isset( $_REQUEST['comment_status'] ) ? $_REQUEST['comment_status'] : 'all'; /* This filter is documented in wp-admin/includes/class-wp-comments-list-table.php / $per_page = apply_filters( 'comments_per_page', $per_page, $comment_status ); } elseif ( 'categories_per_page' === $option ) { /* This filter is documented in wp-admin/includes/class-wp-terms-list-table.php / $per_page = apply_filters( 'edit_categories_per_page', $per_page ); } else { /* This filter is documented in wp-admin/includes/class-wp-list-table.php / $per_page = apply_filters( "{$option}", $per_page ); } // Back compat. if ( isset( $this->post_type ) ) { /* This filter is documented in wp-admin/includes/post.php / $per_page = apply_filters( 'edit_posts_per_page', $per_page, $this->post_type ); } // This needs a submit button. add_filter( 'screen_options_show_submit', '__return_true' ); ?> <fieldset class="screen-options"> <legend><?php _e( 'Pagination' ); ?></legend> <?php if ( $per_page_label ) : ?> <label for="<?php echo esc_attr( $option ); ?>"><?php echo $per_page_label; ?></label> <input type="number" step="1" min="1" max="999" class="screen-per-page" name="wp_screen_options[value]" id="<?php echo esc_attr( $option ); ?>" value="<?php echo esc_attr( $per_page ); ?>" /> <?php endif; ?> <input type="hidden" name="wp_screen_options[option]" value="<?php echo esc_attr( $option ); ?>" /> </fieldset> <?php } /* * Renders the list table view mode preferences. * * @since 4.4.0 * * @global string $mode List table view mode. / public function render_view_mode() { global $mode; $screen = get_current_screen(); // Currently only enabled for posts and comments lists. if ( 'edit' !== $screen->base && 'edit-comments' !== $screen->base ) { return; } $view_mode_post_types = get_post_types( array( 'show_ui' => true ) ); /* * Filters the post types that have different view mode options. * * @since 4.4.0 * * @param string[] $view_mode_post_types Array of post types that can change view modes. * Default post types with show_ui on. / $view_mode_post_types = apply_filters( 'view_mode_post_types', $view_mode_post_types ); if ( 'edit' === $screen->base && ! in_array( $this->post_type, $view_mode_post_types, true ) ) { return; } if ( ! isset( $mode ) ) { $mode = get_user_setting( 'posts_list_mode', 'list' ); } // This needs a submit button. add_filter( 'screen_options_show_submit', '__return_true' ); ?> <fieldset class="metabox-prefs view-mode"> <legend><?php _e( 'View mode' ); ?></legend> <label for="list-view-mode"> <input id="list-view-mode" type="radio" name="mode" value="list" <?php checked( 'list', $mode ); ?> /> <?php _e( 'Compact view' ); ?> </label> <label for="excerpt-view-mode"> <input id="excerpt-view-mode" type="radio" name="mode" value="excerpt" <?php checked( 'excerpt', $mode ); ?> /> <?php _e( 'Extended view' ); ?> </label> </fieldset> <?php } /* * Renders screen reader text. * * @since 4.4.0 * * @param string $key The screen reader text array named key. * @param string $tag Optional. The HTML tag to wrap the screen reader text. Default h2. */ public function render_screen_reader_content( $key = '', $tag = 'h2' ) { if ( ! isset( $this->_screen_reader_content[ $key ] ) ) { return; } echo "<$tag class='screen-reader-text'>" . $this->_screen_reader_content[ $key ] . "</$tag>"; } }