post_type; } break; case 'edit-tags' : case 'term' : if ( null === $post_type && is_object_in_taxonomy( 'post', $taxonomy ? $taxonomy : 'post_tag' ) ) $post_type = 'post'; break; } } switch ( $base ) { case 'post' : if ( null === $post_type ) $post_type = 'post'; $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 ( $screen === get_current_screen() ) return $screen; } else { $screen = new WP_Screen(); $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 = $in_admin; self::$_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 * @global string $taxnow * @global string $typenow */ public function set_current_screen() { global $current_screen, $taxnow, $typenow; $current_screen = $this; $taxnow = $this->taxonomy; $typenow = $this->post_type; /** * 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 * @access private */ 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 the old string-based contextual help for the screen for backward compatibility. * * @since 3.3.0 * * @static * * @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; } /** * Set 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; } /** * Remove an option from the screen. * * @since 3.8.0 * * @param string $option Option ID. */ public function remove_option( $option ) { unset( $this->_options[ $option ] ); } /** * Remove all options from the screen. * * @since 3.8.0 */ public function remove_options() { $this->_options = array(); } /** * Get 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 $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[ $id ]; } /** * Add a help tab to the contextual help for the screen. * Call this on the load-$pagenow hook for the relevant screen. * * @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. Default false. * @type string $content Optional. Help tab content in plain text or HTML. Default empty string. * @type string $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; } /** * Add 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; } /** * Get 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 array An associative array of screen reader text strings. */ public function get_screen_reader_content() { return $this->_screen_reader_content; } /** * Get 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 ]; } /** * Add 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; } /** * Remove 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(); } /** * Render 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() { /** * Filter the legacy contextual help list. * * @since 2.7.0 * @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or * get_current_screen()->remove_help_tab() instead. * * @param array $old_compat_help Old contextual help. * @param WP_Screen $this Current WP_Screen instance. */ self::$_old_compat_help = apply_filters( 'contextual_help_list', self::$_old_compat_help, $this ); $old_help = isset( self::$_old_compat_help[ $this->id ] ) ? self::$_old_compat_help[ $this->id ] : ''; /** * Filter the legacy contextual help text. * * @since 2.7.0 * @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or * 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 $this Current WP_Screen instance. * */ $old_help = apply_filters( 'contextual_help', $old_help, $this->id, $this ); // 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() ) { /** * Filter the default legacy contextual help text. * * @since 2.8.0 * @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or * get_current_screen()->remove_help_tab() instead. * * @param string $old_help_default Default contextual help text. */ $default_help = apply_filters( 'default_contextual_help', '' ); if ( $default_help ) $old_help = '

' . $default_help . '

'; } 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! ?>
    get_help_tabs() as $tab ) : $link_id = "tab-link-{$tab['id']}"; $panel_id = "tab-panel-{$tab['id']}"; ?>
get_help_tabs() as $tab ): $panel_id = "tab-panel-{$tab['id']}"; ?>
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(); ?>
get_help_tabs() && ! $this->show_screen_options() ) return; ?> _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' ); switch ( $this->base ) { case 'widgets': $this->_screen_settings = '

' . __('Enable accessibility mode') . '' . __('Disable accessibility mode') . "

\n"; break; case 'post' : $expand = ''; $this->_screen_settings = $expand; break; default: $this->_screen_settings = ''; break; } /** * Filter the screen settings text displayed in the Screen Options tab. * * This filter is currently only used on the Widgets screen to enable * accessibility mode. * * @since 3.0.0 * * @param string $screen_settings Screen settings. * @param WP_Screen $this WP_Screen object. */ $this->_screen_settings = apply_filters( 'screen_settings', $this->_screen_settings, $this ); if ( $this->_screen_settings || $this->_options ) $show_screen = true; /** * Filter 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 $this Current WP_Screen instance. */ $this->_show_screen_options = apply_filters( 'screen_options_show_screen', $show_screen, $this ); return $this->_show_screen_options; } /** * Render the screen options tab. * * @since 3.3.0 * * @param array $options { * @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 = ''; } // Don't output the form and nonce for the widgets accessibility mode links. if ( 'widgets' !== $this->base ) { $form_start = "\n
\n"; $form_end = "\n" . wp_nonce_field( 'screen-options-nonce', 'screenoptionnonce', false, false ) . "\n
\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; /** * Filter 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 $this 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; } /** * Render the meta boxes preferences. * * @since 4.4.0 * * @global array $wp_meta_boxes */ public function render_meta_boxes_preferences() { global $wp_meta_boxes; if ( ! isset( $wp_meta_boxes[ $this->id ] ) ) { return; } ?>
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 = 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 '\n"; } ?>
$title ) { // Can't hide these for they are special if ( in_array( $column, $special ) ) { continue; } if ( empty( $title ) ) { continue; } if ( 'comments' == $column ) { $title = __( 'Comments' ); } $id = "$column-hide"; echo '\n"; } ?>
get_option( 'layout_columns' ) ) { return; } $screen_layout_columns = $this->get_columns(); $num = $this->get_option( 'layout_columns', 'max' ); ?>
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' ); ?>
base ) { return; } $view_mode_post_types = get_post_types( array( 'hierarchical' => false, 'show_ui' => true ) ); /** * Filter the post types that have different view mode options. * * @since 4.4.0 * * @param array $view_mode_post_types Array of post types that can change view modes. * Default hierarchical post types with show_ui on. */ $view_mode_post_types = apply_filters( 'view_mode_post_types', $view_mode_post_types ); if ( ! in_array( $this->post_type, $view_mode_post_types ) ) { return; } global $mode; // This needs a submit button add_filter( 'screen_options_show_submit', '__return_true' ); ?>
_screen_reader_content[ $key ] ) ) { return; } echo "<$tag class='screen-reader-text'>" . $this->_screen_reader_content[ $key ] . ""; } }