This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /** * set this to true in your wp-config.php file to enable debug/test mode */ if ( ! defined( 'CUSTOM_METADATA_MANAGER_DEBUG' ) ) define( 'CUSTOM_METADATA_MANAGER_DEBUG', false ); if ( CUSTOM_METADATA_MANAGER_DEBUG ) include_once 'custom_metadata_examples.php'; class custom_metadata_manager { var $errors = array(); var $metadata = array(); var $_non_post_types = array( 'user', 'comment' ); // Object types that come "built-in" with WordPress var $_builtin_object_types = array( 'post', 'page', 'user', 'comment' ); // Column filter names var $_column_types = array( 'posts', 'pages', 'users', 'comments' ); // field types var $_field_types = array( 'text', 'textarea', 'password', 'number', 'email', 'telephone', 'checkbox', 'radio', 'select', 'multi_select', 'upload', 'wysiwyg', 'datepicker', 'datetimepicker', 'timepicker', 'colorpicker', 'taxonomy_select', 'taxonomy_radio', 'taxonomy_checkbox', 'link' ); // field types that are cloneable var $_cloneable_field_types = array( 'text', 'textarea', 'upload', 'password', 'number', 'email', 'tel' ); // field types that support a default value var $_field_types_that_support_default_value = array( 'text', 'textarea', 'password', 'number', 'email', 'telephone', 'upload', 'wysiwyg', 'datepicker', 'datetimepicker', 'timepicker', 'link' ); // field types that support the placeholder attribute var $_field_types_that_support_placeholder = array( 'text', 'textarea', 'password', 'number', 'email', 'tel', 'upload', 'datepicker', 'datetimepicker', 'timepicker', 'link' ); // field types that are read only by default var $_field_types_that_are_read_only = array( 'upload', 'link', 'datepicker', 'datetimepicker', 'timepicker' ); // field types that support being part of a multifield group // @todo: workarounds needed for other field types var $_field_types_that_support_multifield = array( 'text', 'textarea', 'password', 'number', 'email', 'tel', 'select' ); // taxonomy types var $_taxonomy_fields = array( 'taxonomy_select', 'taxonomy_radio', 'taxonomy_checkbox', 'taxonomy_multi_select' ); // filed types that are saved as multiples but not cloneable var $_multiple_not_cloneable = array( 'taxonomy_checkbox' ); // fields that always save as an array var $_always_multiple_fields = array( 'taxonomy_checkbox', 'multi_select', 'taxonomy_multi_select' ); // Object types whose columns are generated through apply_filters instead of do_action var $_column_filter_object_types = array( 'user' ); // Whitelisted pages that get stylesheets and scripts var $_pages_whitelist = array( 'edit.php', 'post.php', 'post-new.php', 'users.php', 'profile.php', 'user-edit.php', 'edit-comments.php', 'comment.php' ); // the default args used for the wp_editor function var $default_editor_args = array(); // singleton instance private static $instance; public static function instance() { if ( isset( self::$instance ) ) return self::$instance; self::$instance = new custom_metadata_manager; self::$instance->run_initial_hooks(); return self::$instance; } // do nothing on construct function __construct() {} function run_initial_hooks() { add_action( 'admin_init', array( $this, 'admin_init' ), 1000, 0 ); } function admin_init() { global $pagenow; // filter our vars $this->_non_post_types = apply_filters( 'custom_metadata_manager_non_post_types', $this->_non_post_types ); $this->_builtin_object_types = apply_filters( 'custom_metadata_manager_builtin_object_types', $this->_builtin_object_types ); $this->_column_types = apply_filters( 'custom_metadata_manager_column_types', $this->_column_types ); $this->_field_types = apply_filters( 'custom_metadata_manager_field_types', $this->_field_types ); $this->_cloneable_field_types = apply_filters( 'custom_metadata_manager_cloneable_field_types', $this->_cloneable_field_types ); $this->_field_types_that_support_default_value = apply_filters( 'custom_metadata_manager_field_types_that_support_default_value', $this->_field_types_that_support_default_value ); $this->_field_types_that_support_placeholder = apply_filters( 'custom_metadata_manager_field_types_that_support_placeholder', $this->_field_types_that_support_placeholder ); $this->_field_types_that_are_read_only = apply_filters( 'custom_metadata_manager_field_types_that_are_read_only', $this->_field_types_that_are_read_only ); $this->_field_types_that_support_multifield = apply_filters( 'custom_metadata_manager_field_types_that_support_multifield', $this->_field_types_that_support_multifield ); $this->_taxonomy_fields = apply_filters( 'custom_metadata_manager_cloneable_field_types', $this->_taxonomy_fields ); $this->_column_filter_object_types = apply_filters( 'custom_metadata_manager_column_filter_object_types', $this->_column_filter_object_types ); $this->_pages_whitelist = apply_filters( 'custom_metadata_manager_pages_whitelist', $this->_pages_whitelist ); $this->default_editor_args = apply_filters( 'custom_metadata_manager_default_editor_args', $this->default_editor_args ); define( 'CUSTOM_METADATA_MANAGER_SELECT2_VERSION', '3.2' ); // version for included select2.js define( 'CUSTOM_METADATA_MANAGER_TIMEPICKER_VERSION', '1.2' ); // version for included timepicker define( 'CUSTOM_METADATA_MANAGER_VERSION', '0.8-dev' ); define( 'CUSTOM_METADATA_MANAGER_URL' , apply_filters( 'custom_metadata_manager_url', trailingslashit( plugins_url( '', __FILE__ ) ) ) ); $this->init_object_types(); // Hook into load to initialize custom columns if ( in_array( $pagenow, $this->_pages_whitelist ) ) { add_action( 'load-' . $pagenow, array( $this, 'init_metadata' ) ); } // Hook into admin_notices to show errors if ( current_user_can( 'manage_options' ) ) add_action( 'admin_notices', array( $this, '_display_registration_errors' ) ); do_action( 'custom_metadata_manager_init' ); do_action( 'custom_metadata_manager_admin_init' ); } function init_object_types() { foreach ( array_merge( get_post_types(), $this->_builtin_object_types ) as $object_type ) $this->metadata[$object_type] = array(); } function init_metadata() { $object_type = $this->_get_object_type_context(); add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) ); add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_styles' ) ); $this->init_columns(); // Handle actions related to users if ( $object_type == 'user' ) { global $user_id; if ( empty( $user_id ) ) $user_id = get_current_user_id(); // Editing another user's profile add_action( 'edit_user_profile', array( $this, 'add_user_metadata_groups' ) ); add_action( 'edit_user_profile_update', array( $this, 'save_user_metadata' ) ); // Allow user-editable fields on "Your Profile" add_action( 'show_user_profile', array( $this, 'add_user_metadata_groups' ) ); add_action( 'personal_options_update', array( $this, 'save_user_metadata' ) ); } else { // Hook in to metaboxes add_action( 'add_meta_boxes', array( $this, "add_post_metadata_groups" ) ); // Hook in to save add_action( 'save_post', array( $this, 'save_post_metadata' ) ); add_action( 'edit_comment', array( $this, 'save_comment_metadata' ) ); } do_action( 'custom_metadata_manager_init_metadata', $object_type ); add_action( 'admin_footer', array( $this, '_display_wp_link_dialog' ) ); } function init_columns() { $object_type = $this->_get_object_type_context(); // This is not really that clean, but it works. Damn inconsistencies! if ( post_type_exists( $object_type ) ) { $column_header_name = sprintf( '%s_posts', $object_type ); $column_content_name = ( 'page' != $object_type ) ? 'posts' : 'pages'; } elseif ( $object_type == 'comment' ) { $column_header_name = 'edit-comments'; $column_content_name = 'comments'; } else { // users $column_header_name = $column_content_name = $object_type . 's'; } // Hook into Column Headers add_filter( "manage_{$column_header_name}_columns", array( $this, 'add_metadata_column_headers' ) ); // User and Posts have different functions $custom_column_content_function = array( $this, "add_{$object_type}_metadata_column_content" ); if ( ! is_callable( $custom_column_content_function ) ) $custom_column_content_function = array( $this, 'add_metadata_column_content' ); // Hook into Column Content. Users get filtered, others get actioned. if ( ! in_array( $object_type, $this->_column_filter_object_types ) ) add_action( "manage_{$column_content_name}_custom_column", $custom_column_content_function, 10, 3 ); else add_filter( "manage_{$column_content_name}_custom_column", $custom_column_content_function, 10, 3 ); } function enqueue_scripts() { wp_enqueue_media(); wp_enqueue_script( 'wplink' ); wp_enqueue_script( 'wpdialogs-popup' ); wp_enqueue_style( 'wp-jquery-ui-dialog' ); wp_enqueue_script( 'select2', apply_filters( 'custom_metadata_manager_select2_js', CUSTOM_METADATA_MANAGER_URL .'js/select2.min.js' ), array( 'jquery' ), CUSTOM_METADATA_MANAGER_SELECT2_VERSION, true ); wp_enqueue_script( 'timepicker', apply_filters( 'custom_metadata_manager_timepicker_js', CUSTOM_METADATA_MANAGER_URL .'js/jquery-ui-timepicker.min.js' ), array( 'jquery', 'jquery-ui-datepicker' ), CUSTOM_METADATA_MANAGER_TIMEPICKER_VERSION, true ); wp_enqueue_script( 'custom-metadata-manager-js', apply_filters( 'custom_metadata_manager_default_js', CUSTOM_METADATA_MANAGER_URL .'js/custom-metadata-manager.js' ), array( 'jquery', 'jquery-ui-datepicker', 'select2' ), CUSTOM_METADATA_MANAGER_VERSION, true ); wp_enqueue_script( 'wp-color-picker' ); } function enqueue_styles() { wp_enqueue_style( 'wp-jquery-ui-dialog' ); wp_enqueue_style( 'editor-buttons' ); wp_enqueue_style( 'custom-metadata-manager-css', apply_filters( 'custom_metadata_manager_default_css', CUSTOM_METADATA_MANAGER_URL .'css/custom-metadata-manager.css' ), array(), CUSTOM_METADATA_MANAGER_VERSION ); wp_enqueue_style( 'jquery-ui-datepicker', apply_filters( 'custom_metadata_manager_jquery_ui_css', CUSTOM_METADATA_MANAGER_URL .'css/jquery-ui-smoothness.css' ), array(), CUSTOM_METADATA_MANAGER_VERSION ); wp_enqueue_style( 'select2', apply_filters( 'custom_metadata_manager_select2_css', CUSTOM_METADATA_MANAGER_URL .'css/select2.css' ), array(), CUSTOM_METADATA_MANAGER_SELECT2_VERSION ); wp_enqueue_style( 'wp-color-picker' ); } function add_metadata_column_headers( $columns ) { $object_type = $this->_get_object_type_context(); if ( $object_type ) { $fields = $this->get_fields_in_object_type( $object_type ); foreach ( $fields as $field_slug => $field ) { if ( $this->is_field_addable_to_columns( $field_slug, $field ) ) { $columns[$field_slug] = is_string( $field->display_column ) ? $field->display_column : $field->label; } } } return $columns; } function add_user_metadata_column_content( $param, $name, $object_id ) { return $this->add_metadata_column_content( $name, $object_id, $param ); } function add_metadata_column_content( $name, $object_id, $column_content = '' ) { $object_type = $this->_get_object_type_context(); $field_slug = $name; if ( $this->is_registered_object_type( $object_type ) && $this->is_registered_field( $field_slug, null, $object_type ) ) { $field = $this->get_field( $field_slug, null, $object_type ); $column_content = $this->_metadata_column_content( $field_slug, $field, $object_type, $object_id ); } if ( $column_content && ! in_array( $object_type, $this->_column_filter_object_types ) ) echo $column_content; else return $column_content; } function add_metadata_field( $field_slug, $object_types = array( 'post' ), $args = array() ) { static $localized_strings; if ( ! $localized_strings ) { $localized_strings = (object) array( 'upload_modal_title' => __( 'Choose a file', 'custom-metadata' ), // upload modal title (for upload field only) 'upload_modal_button_text' => __( 'Select this file', 'custom-metadata' ), // upload modal button text (for upload field only) 'upload_clear_button_text' => __( 'Clear', 'custom-metadata' ), // upload clear field text (for upload field only) 'link_modal_button_text' => __( 'Select', 'custom-metadata' ), // link field button text ); } $defaults = array( 'group' => '', // To which meta_box the field should be added 'multifield' => false, // which multifield does this field belong to, if any 'field_type' => 'text', // The type of field; possibly values: text, checkbox, radio, select, image 'label' => $field_slug, // Label for the field 'slug' => $field_slug, // Slug for the field 'description' => '', // Description of the field, displayed below the input 'values' => array(), // values for select, checkbox, radio buttons 'default_value' => '', // default value 'placeholder' => '', 'display_callback' => '', // function to custom render the input 'sanitize_callback' => '', 'display_column' => false, // Add the field to the columns when viewing all posts 'display_column_callback' => '', 'add_to_quick_edit' => false, // (post only) Add the field to Quick edit 'required_cap' => false, // the cap required to view and edit the field 'multiple' => false, // can the field be duplicated with a click of a button 'readonly' => false, // makes the field be readonly 'select2' => false, // applies select2.js (work on select and multi select field types) 'min' => false, // a minimum value (for number field only) 'max' => false, // a maximum value (for number field only) 'upload_modal_title' => $localized_strings->upload_modal_title, 'upload_modal_button_text' => $localized_strings->upload_modal_button_text, 'upload_clear_button_text' => $localized_strings->upload_clear_button_text, 'link_modal_button_text' => $localized_strings->link_modal_button_text, ); // upload field is readonly by default (can be set explicitly to false though) if ( ! empty( $args['field_type'] ) && in_array( $args['field_type'], $this->_field_types_that_are_read_only ) ) $defaults['readonly'] = true; // `chosen` arg is the same as `select2` arg if ( isset( $args['chosen'] ) ) { $args['select2'] = $args['chosen']; unset( $args['chosen'] ); } // Merge defaults with args $field = wp_parse_args( $args, $defaults ); $field = (object) $field; // Sanitize slug $field_slug = sanitize_key( $field_slug ); $group_slug = sanitize_key( $field->group ); // Check to see if the user should see this field if ( ! empty( $field->required_cap ) && ! current_user_can( $field->required_cap ) ) return; $field = apply_filters( 'custom_metadata_manager_add_metadata_field', $field, $field_slug, $group_slug, $object_types ); if ( ! $this->_validate_metadata_field( $field_slug, $field, $group_slug, $object_types ) ) return; // $object_types = (array) $object_type; // if ( $field->multifield && $this->_multifield_exists_for_group_object( $field->multifield, $group_slug, array_shift( $object_types ) ) ) { // $this->add_field_to_multifield( $field_slug, $field, $group_slug, $object_types ); // } else { // add to group $this->add_field_to_group( $field_slug, $field, $group_slug, $object_types ); // } } function add_multifield( $slug, $object_types = array( 'post' ), $args = array() ) { $defaults = array( 'group' => '', // To which meta_box the multifield should be added 'label' => $slug, // Label for the multifield 'description' => '', // Description of the multifield, displayed below all the fields 'required_cap' => false, // the cap required to view and edit the multifield ); // Merge defaults with args $multifield = wp_parse_args( $args, $defaults ); $multifield['multifield'] = true; // force it $multifield = (object) $multifield; // Sanitize slug $slug = sanitize_key( $slug ); $group_slug = sanitize_key( $multifield->group ); // Check to see if the user should see this field if ( ! empty( $multifield->required_cap ) && ! current_user_can( $multifield->required_cap ) ) return; $multifield = apply_filters( 'custom_metadata_manager_add_multifield', $multifield, $slug, $group_slug, $object_types ); if ( ! $this->_validate_metadata_field( $slug, $multifield, $group_slug, $object_types ) ) return; // Add to group $this->add_multifield_to_group( $slug, $multifield, $group_slug, $object_types ); } function add_metadata_group( $group_slug, $object_types, $args = array() ) { $defaults = array( 'label' => $group_slug, // Label for the group 'description' => '', // Description of the group 'context' => 'normal', // (post only) 'priority' => 'default', // (post only) 'autosave' => false, // (post only) Should the group be saved in autosave? 'required_cap' => false, // the cap required to view and edit the group ); // Merge defaults with args $group = wp_parse_args( $args, $defaults ); $group = (object) $group; // Sanitize slug $group_slug = sanitize_key( $group_slug ); $group = apply_filters( 'custom_metadata_manager_add_metadata_group', $group, $group_slug, $object_types ); // Check to see if the user has caps to view/edit this group if ( ! empty( $group->required_cap ) && ! current_user_can( $group->required_cap ) ) return; if ( !$this->_validate_metadata_group( $group_slug, $group, $object_types ) ) return; $this->add_group_to_object_type( $group_slug, $group, $object_types ); } function add_field_to_group( $field_slug, $field, $group_slug, $object_types ) { $object_types = (array) $object_types; foreach ( $object_types as $object_type ) { if ( ! $group_slug ) { $group_slug = sprintf( 'single-group-%1$s-%2$s', $object_type, $field_slug ); } // If group doesn't exist, create group if ( ! $this->is_registered_group( $group_slug, $object_type ) ) { $this->add_metadata_group( $group_slug, $object_type, array( 'label' => ( ! empty( $field->label ) ) ? $field->label : $field_slug ) ); $field->group = $group_slug; } $this->_push_field( $field_slug, $field, $group_slug, $object_type ); } } function add_multifield_to_group( $slug, $multifield, $group_slug, $object_types ) { $object_types = (array) $object_types; foreach ( $object_types as $object_type ) { if ( ! $group_slug ) { $group_slug = sprintf( 'single-group-%1$s-%2$s', $object_type, $slug ); } // If group doesn't exist, create group if ( ! $this->is_registered_group( $group_slug, $object_type ) ) { $this->add_metadata_group( $group_slug, $object_type, array( 'label' => ( ! empty( $multifield->label ) ) ? $multifield->label : $slug ) ); $multifield->group = $group_slug; } $this->_push_multifield( $slug, $multifield, $group_slug, $object_type ); } } function add_group_to_object_type( $group_slug, $group, $object_types ) { $object_types = (array) $object_types; foreach ( $object_types as $object_type ) { if ( ( $this->is_registered_object_type( $object_type ) && ! $this->is_group_in_object_type( $group_slug, $object_type ) ) ) { $group->fields = array(); $this->_push_group( $group_slug, $group, $object_type ); } } } function _validate_metadata_group( $group_slug, $group, $object_type ) { $valid = true; // TODO: only validate when DEBUG is on? /* if( ! $group_slug ) { } elseif ( $this->is_registered_group( $group_slug, $object_type ) ) { // TODO: check that it hasn't been registered already } elseif ( $this->is_restricted_group( $group_slug, $object_type ) ) { // TODO: check that it isn't restricted } */ return $valid; } function _validate_metadata_field( $field_slug, $field, $group_slug, $object_types ) { // TODO: only validate when DEBUG is on? $valid = true; /* if( !$field_slug ) { // Check that $this->_add_registration_error( $field_slug, __( 'You entered an empty slug name for this field!', 'custom-metadata-manager' ) ); $valid = false; } else if( $this->is_registered_field( $field_slug, $group_slug, $object_type ) ) { // does field name already exists $this->_add_registration_error( $field_slug, __( 'This field already exists. Check to see that you\'re not registering the field twice, or use a different slug.', 'custom-metadata-manager' ) ); $valid = false; } else if( $this->is_restricted_field( $field_slug, $object_type ) ) { // is field restricted $this->_add_registration_error( $field_slug, __( 'This field is restricted. Please use a different slug.', 'custom-metadata-manager' ) ); $valid = false; } // if display_callback not defined // show admin_notices error // show as text field (?) */ // TODO: valid object_type? return $valid; } function _add_registration_error( $field_slug, $error_message ) { $this->errors[] = sprintf( __( '%1$s: %2$s', 'custom-metadata-manager' ), $field_slug, $error_message ); } function add_post_metadata_groups() { global $post, $comment; $object_id = 0; if ( isset( $post ) ) { $object_id = $post->ID; } elseif ( isset( $comment ) ) { $object_id = $comment->comment_ID; } $object_type = $this->_get_object_type_context(); $groups = $this->get_groups_in_object_type( $object_type ); if ( $object_id && !empty( $groups ) ) { foreach ( $groups as $group_slug => $group ) { $this->add_post_metadata_group( $group_slug, $group, $object_type, $object_id ); } } } function add_post_metadata_group( $group_slug, $group, $object_type, $object_id ) { $fields = $this->get_fields_in_group( $group_slug, $object_type ); if ( ! empty( $fields ) && $this->is_thing_added_to_object( $group_slug, $group, $object_type, $object_id ) ) { add_meta_box( $group_slug, $group->label, array( $this, '_display_post_metadata_box' ), $object_type, $group->context, $group->priority, array( 'group' => $group, 'fields' => $fields ) ); } } function add_user_metadata_groups() { global $user_id; if ( !$user_id ) return; $object_type = 'user'; $groups = $this->get_groups_in_object_type( $object_type ); if ( !empty( $groups ) ) { foreach ( $groups as $group_slug => $group ) { $this->add_user_metadata_group( $group_slug, $group, $object_type, $user_id ); } } } function add_user_metadata_group( $group_slug, $group, $object_type, $user_id ) { $fields = $this->get_fields_in_group( $group_slug, $object_type ); if ( ! empty( $fields ) && $this->is_thing_added_to_object( $group_slug, $group, $object_type, $user_id ) ) $this->_display_user_metadata_box( $group_slug, $group, $object_type, $fields ); } function _display_user_metadata_box( $group_slug, $group, $object_type, $fields ) { global $user_id; ?>

label; ?>

$field ) : ?> is_thing_added_to_object( $field_slug, $field, $object_type, $user_id ) ) : ?>
_display_metadata_field( $field_slug, $field, $object_type, $user_id ); ?>
_display_group_nonce( $group_slug, $object_type ); } function _display_post_metadata_box( $object, $meta_box ) { $group_slug = $meta_box['id']; $group = $meta_box['args']['group']; $fields = $meta_box['args']['fields']; $object_type = $this->_get_object_type_context(); // I really don't like using variable variables, but this is the path of least resistence. if ( isset( $object->{$object_type . '_ID'} ) ) { $object_id = $object->{$object_type . '_ID'}; } elseif ( isset( $object->ID ) ) { $object_id = $object->ID; } else { _e( 'Uh oh, something went wrong!', 'custom-metadata-manager' ); return; } $this->_display_group_description( $group ); foreach ( $fields as $field_slug => $field ) { if ( $this->is_thing_added_to_object( $field_slug, $field, $object_type, $object_id ) ) { if ( $this->_is_multifield( $field_slug ) ) { $this->_display_metadata_multifield( $field_slug, $field, $object_type, $object_id ); } elseif ( empty( $field->multifield ) ) { $this->_display_metadata_field( $field_slug, $field, $object_type, $object_id ); } } } // Each group gets its own nonce $this->_display_group_nonce( $group_slug, $object_type ); } function _display_group_description( $group ) { if ( ! empty( $group->description ) ) printf( '
%s
', $group->description ); } function _display_group_nonce( $group_slug, $object_type ) { $nonce_key = $this->build_nonce_key( $group_slug, $object_type ); wp_nonce_field( 'save-metadata', $nonce_key, false ); } function verify_group_nonce( $group_slug, $object_type ) { $nonce_key = $this->build_nonce_key( $group_slug, $object_type ); if ( isset( $_POST[$nonce_key] ) ) return wp_verify_nonce( $_POST[$nonce_key], 'save-metadata' ); else return false; } function build_nonce_key( $group_slug, $object_type ) { return sprintf( 'metadata-%1$s-%2$s', $object_type, $group_slug ); } function save_user_metadata( $user_id ) { $object_type = 'user'; $groups = $this->get_groups_in_object_type( $object_type ); foreach ( $groups as $group_slug => $group ) { $this->save_metadata_group( $group_slug, $group, $object_type, $user_id ); } } function save_post_metadata( $post_id ) { $post_type = $this->_get_object_type_context(); $groups = $this->get_groups_in_object_type( $post_type ); foreach ( $groups as $group_slug => $group ) { // TODO: Allow hook into autosave if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE && !$group->autosave ) return $post_id; $this->save_metadata_group( $group_slug, $group, $post_type, $post_id ); } } function save_comment_metadata( $comment_id ) { $object_type = 'comment'; $groups = $this->get_groups_in_object_type( $object_type ); foreach ( $groups as $group_slug => $group ) { $this->save_metadata_group( $group_slug, $group, $object_type, $comment_id ); } } function save_metadata_group( $group_slug, $group, $object_type, $object_id ) { if ( !$this->verify_group_nonce( $group_slug, $object_type ) ) { return $object_id; } $fields = $this->get_fields_in_group( $group_slug, $object_type ); foreach ( $fields as $field_slug => $field ) { if ( true === $field->multifield ) { $this->save_metadata_multifield( $field_slug, $field, $object_type, $object_id ); } elseif ( ! $field->multifield ) { $this->save_metadata_field( $field_slug, $field, $object_type, $object_id ); } } } function save_metadata_multifield( $slug, $multifield, $object_type, $object_id ) { if ( isset( $_POST[$slug] ) ) { $multifield_value = array(); $groupings = $_POST[$slug]; $fields = $this->get_fields_in_multifield( $multifield->group, $slug, $object_type ); foreach ( $groupings as $grouping ) { $grouping_values = array(); foreach ( $fields as $field_slug => $field ) { if ( ! empty( $grouping[$field_slug] ) ) { $grouping_values[$field_slug] = $this->_sanitize_field_value( $field_slug, $field, $object_type, $object_id, $grouping[$field_slug] ); } else { $grouping_values[$field_slug] = ''; } } $multifield_value[] = $grouping_values; } $slug = sanitize_key( $slug ); if ( ! in_array( $object_type, $this->_non_post_types ) ) $object_type = 'post'; update_metadata( $object_type, $object_id, $slug, $multifield_value ); } else { $slug = sanitize_key( $slug ); if ( ! in_array( $object_type, $this->_non_post_types ) ) $object_type = 'post'; delete_metadata( $object_type, $object_id, $slug ); } } function save_metadata_field( $field_slug, $field, $object_type, $object_id ) { if ( isset( $_POST[$field_slug] ) ) { $value = $this->_sanitize_field_value( $field_slug, $field, $object_type, $object_id, $_POST[$field_slug] ); $this->_save_field_value( $field_slug, $field, $object_type, $object_id, $value ); // save the attachment ID of the upload field as well if ( $field->field_type == 'upload' && isset( $_POST[$field_slug . '_attachment_id'] ) ) $this->_save_field_value( $field_slug . '_attachment_id', $field, $object_type, $object_id, absint( $_POST[$field_slug . '_attachment_id'] ) ); } else { $this->_delete_field_value( $field_slug, $field, $object_type, $object_id ); // delete the attachment ID of the upload field as well if ( $field->field_type == 'upload' && isset( $_POST[$field_slug . '_attachment_id'] ) ) $this->_delete_field_value( $field_slug . '_attachment_id', $field, $object_type, $object_id ); } } function get_metadata_mulitifield_value( $slug, $multifield, $object_type, $object_id ) { return $this->_get_field_value( $slug, $multifield, $object_type, $object_id, true ); } function get_metadata_field_value( $field_slug, $field, $object_type, $object_id ) { return $this->_get_field_value( $field_slug, $field, $object_type, $object_id ); } function is_registered_object_type( $object_type ) { return array_key_exists( $object_type, $this->metadata ) /*&& is_array( $this->metadata[$object_type] )*/; } function is_registered_group( $group_slug, $object_type ) { return $this->is_registered_object_type( $object_type ) && array_key_exists( $group_slug, $this->get_groups_in_object_type( $object_type ) ); } function is_registered_field( $field_slug, $group_slug = '', $object_type ) { if ( $group_slug ) return $this->is_registered_group( $group_slug, $object_type ) && array_key_exists( $field_slug, $this->get_fields_in_group( $group_slug, $object_type ) ); else return array_key_exists( $field_slug, $this->get_fields_in_object_type( $object_type ) ); } function is_field_in_group( $field_slug, $group_slug, $object_type ) { return in_array( $field_slug, $this->get_fields_in_group( $group_slug, $object_type ) ); } function is_group_in_object_type( $group_slug, $object_type ) { return array_key_exists( $group_slug, $this->get_groups_in_object_type( $object_type ) ); } function is_field_addable_to_columns( $field_slug, $field ) { return is_string( $field->display_column ) || ( is_bool( $field->display_column ) && $field->display_column ); } function get_field( $field_slug, $group_slug, $object_type ) { if ( $this->is_registered_field( $field_slug, $group_slug, $object_type ) ) { if ( $group_slug ) { return $this->get_single_field_in_group( $field_slug, $group_slug, $object_type ); } else { return $this->get_single_field_in_object_type( $field_slug, $object_type ); } } return null; } function get_group( $group_slug, $object_type ) { if ( $this->is_registered_group( $group_slug, $object_type ) ) { $groups = $this->get_groups_in_object_type( $object_type ); $group = $groups[$group_slug]; return $group; } return null; } function get_object_types() { return array_keys( $this->metadata ); } function get_groups_in_object_type( $object_type ) { if ( $this->is_registered_object_type( $object_type ) ) return $this->metadata[$object_type]; return array(); } function get_single_field_in_group( $field_slug, $group_slug, $object_type ) { $fields = $this->get_fields_in_group( $group_slug, $object_type ); return isset( $fields[$field_slug] ) ? $fields[$field_slug] : null; } function get_fields_in_group( $group_slug, $object_type ) { $group = $this->get_group( $group_slug, $object_type ); if ( $group ) return (array) $group->fields; return array(); } function get_fields_in_multifield( $group_slug, $multifield_slug, $object_type ) { $group = $this->get_group( $group_slug, $object_type ); $fields_in_multifield = array(); if ( empty( $group ) || empty( $group->fields ) || empty( $group->fields[$multifield_slug] ) ) return $fields_in_multifield; $_multifields = wp_list_pluck( $group->fields, 'multifield' ); foreach ( $_multifields as $_field_key => $_multifield ) { if ( empty( $_multifield ) || true === $_multifield ) continue; if ( $multifield_slug == $_multifield || $multifield_slug == '_x_multifield_' . $_multifield ) $fields_in_multifield[$_field_key] = $group->fields[$_field_key]; } return $fields_in_multifield; } function get_single_field_in_object_type( $field_slug, $object_type ) { $fields = $this->get_fields_in_object_type( $object_type ); return isset( $fields[$field_slug] ) ? $fields[$field_slug] : null; } function get_fields_in_object_type( $object_type ) { $fields = array(); foreach ( $this->get_groups_in_object_type( $object_type ) as $group_slug => $group ) { $fields = array_merge( $fields, $this->get_fields_in_group( $group_slug, $object_type ) ); } return $fields; } function _push_group( $group_slug, $group, $object_type ) { $this->metadata[$object_type][$group_slug] = $group; } function _push_field( $field_slug, $field, $group_slug, $object_type ) { $this->metadata[$object_type][$group_slug]->fields[$field_slug] = $field; } function _push_multifield( $slug, $multifield, $group_slug, $object_type ) { $this->metadata[$object_type][$group_slug]->fields['_x_multifield_' . $slug] = $multifield; } function _multifield_exists_for_group_object( $slug, $group_slug, $object_type ) { $slug = '_x_multifield_' . $slug; return ( ! empty( $this->metadata[$object_type] ) && ! empty( $this->metadata[$object_type][$group_slug] ) && ! empty( $this->metadata[$object_type][$group_slug]->fields ) && array_key_exists( $slug, $this->metadata[$object_type][$group_slug]->fields ) ); } function _is_multifield( $slug ) { return ( 0 === strpos( $slug, '_x_multifield' ) ); } function is_thing_added_to_object( $thing_slug, $thing, $object_type, $object_id, $object_slug = '' ) { if ( isset( $thing->exclude ) ) { if ( is_callable( $thing->exclude ) ) return ! (bool) call_user_func( $thing->exclude, $thing_slug, $thing, $object_type, $object_id, $object_slug ); return ! $this->does_id_array_match_object( $thing->exclude, $object_type, $object_id, $object_slug ); } if ( isset( $thing->include ) ) { if ( is_callable( $thing->include ) ) return (bool) call_user_func( $thing->include, $thing_slug, $thing, $object_type, $object_id, $object_slug ); return $this->does_id_array_match_object( $thing->include, $object_type, $object_id, $object_slug ); } return true; } function does_id_array_match_object( $id_array, $object_type, $object_id, $object_slug = '' ) { if ( is_array( $id_array ) ) { if ( isset( $id_array[$object_type] ) ) { if ( is_array( $id_array[$object_type] ) ) { // array( 'user' => array( 123, 'postname' ) ) return $this->does_id_array_match_object( $id_array[$object_type], $object_type, $object_id, $object_slug ); } else { // array( 'post' => 123 ) return $this->does_id_match_object( $id_array[$object_type], $object_id, $object_slug ); } } else { // array( 123, 456, 'postname' ) $match = false; foreach ( $id_array as $id ) { if ( $this->does_id_match_object( $id, $object_id, $object_slug ) ) { $match = true; break; } } return $match; } } else { // 123 || 'postname' || 'username' || 'comment-name'(?) return $this->does_id_match_object( $id_array, $object_id, $object_slug ); } } function does_id_match_object( $id, $object_id, $object_slug = '' ) { if ( is_int( $id ) ) { // 123 return $id == $object_id; } elseif ( is_string( $id ) ) { // 'postname' || 'username' || 'comment-name' ?? return $id == $object_slug; } return false; } function is_restricted_field( $field_slug, $object_type ) { // TODO: Build this out $post_restricted = array( 'post_title', 'post_author' ); $page_restricted = array( ); $user_restricted = array( ); switch ( $object_type ) { case 'user': return in_array( $field_slug, $user_restricted ); case 'page': return in_array( $field_slug, $page_restricted ) || in_array( $field_slug, $post_restricted ); case 'post': default: return in_array( $field_slug, $post_restricted ); } return false; } function is_restricted_group( $group_slug, $object_type ) { // TODO: Build this out // Built-in metaboxes: title, custom-fields, revisions, author, etc. return false; } function _get_object_type_context() { global $current_screen, $pagenow; $object_type = ''; if ( $pagenow == 'profile.php' || $pagenow == 'user-edit.php' || $pagenow == 'users.php' ) { return 'user'; } if ( isset( $current_screen->post_type ) ) { $object_type = $current_screen->post_type; } elseif ( isset( $current_screen->base ) ) { foreach ( $this->_builtin_object_types as $builtin_type ) { if ( strpos( $current_screen->base, $builtin_type ) !== false ) { $object_type = $builtin_type; break; } } } return $object_type; } function _get_value_callback( $field, $object_type ) { $callback = isset( $field->value_callback ) ? $field->value_callback : ''; if ( ! ( $callback && is_callable( $callback ) ) ) $callback = ''; return apply_filters( 'custom_metadata_manager_get_value_callback', $callback, $field, $object_type ); } function _get_save_callback( $field, $object_type ) { $callback = isset( $field->save_callback ) ? $field->save_callback : ''; if ( ! ( $callback && is_callable( $callback ) ) ) $callback = ''; return apply_filters( 'custom_metadata_manager_get_save_callback', $callback, $field, $object_type ); } function get_sanitize_callback( $field, $object_type ) { $callback = $field->sanitize_callback; if ( ! ( $callback && is_callable( $callback ) ) ) $callback = ''; return apply_filters( 'custom_metadata_manager_get_sanitize_callback', $callback, $field, $object_type ); } function get_display_column_callback( $field, $object_type ) { $callback = $field->display_column_callback; if ( ! ( $callback && is_callable( $callback ) ) ) $callback = ''; return apply_filters( 'custom_metadata_manager_get_display_column_callback', $callback, $field, $object_type ); } function _get_field_value( $field_slug, $field, $object_type, $object_id, $single = false ) { $get_value_callback = $this->_get_value_callback( $field, $object_type ); if ( $get_value_callback ) return call_user_func( $get_value_callback, $object_type, $object_id, $field_slug ); if ( !in_array( $object_type, $this->_non_post_types ) ) $object_type = 'post'; $value = get_metadata( $object_type, $object_id, $field_slug, $single ); return $value; } function _save_field_value( $field_slug, $field, $object_type, $object_id, $value ) { $save_callback = $this->_get_save_callback( $field, $object_type ); if ( $save_callback ) return call_user_func( $save_callback, $object_type, $object_id, $field_slug, $value ); if ( ! in_array( $object_type, $this->_non_post_types ) ) $object_type = 'post'; $field_slug = sanitize_key( $field_slug ); // save the taxonomy as a taxonomy [as well as a custom field] if ( in_array( $field->field_type, $this->_taxonomy_fields ) && !in_array( $object_type, $this->_non_post_types ) ) { wp_set_object_terms( $object_id, $value, $field->taxonomy ); } if ( is_array( $value ) ) { // multiple values delete_metadata( $object_type, $object_id, $field_slug ); // delete the old values and add the new ones foreach ( $value as $v ) { add_metadata( $object_type, $object_id, $field_slug, $v, false ); } } else { // single value update_metadata( $object_type, $object_id, $field_slug, $value ); } // delete metadata entries if empty if ( empty( $value ) ) { delete_metadata( $object_type, $object_id, $field_slug ); } } function _delete_field_value( $field_slug, $field, $object_type, $object_id, $value = false ) { if ( ! in_array( $object_type, $this->_non_post_types ) ) $object_type = 'post'; $field_slug = sanitize_key( $field_slug ); delete_metadata( $object_type, $object_id, $field_slug, $value ); } function _sanitize_field_value( $field_slug, $field, $object_type, $object_id, $value ) { $sanitize_callback = $this->get_sanitize_callback( $field, $object_type ); // convert date to unix timestamp if ( in_array( $field->field_type, array( 'datepicker', 'datetimepicker', 'timepicker' ) ) ) { $value = strtotime( $value ); } if ( $sanitize_callback ) return call_user_func( $sanitize_callback, $field_slug, $field, $object_type, $object_id, $value ); return $value; } function _metadata_column_content( $field_slug, $field, $object_type, $object_id ) { $value = $this->get_metadata_field_value( $field_slug, $field, $object_type, $object_id ); $display_column_callback = $this->get_display_column_callback( $field, $object_type ); if ( $display_column_callback ) return call_user_func( $display_column_callback, $field_slug, $field, $object_type, $object_id, $value ); if ( is_array( $value ) ) return implode( ', ', $value ); return $value; } function _display_metadata_multifield( $slug, $multifield, $object_type, $object_id ) { echo '
'; if ( ! empty( $multifield->label ) ) { printf( '

%s

', esc_html( $multifield->label ) ); } if ( ! empty( $multifield->description ) ) { printf( '

%s

', esc_html( $multifield->description ) ); } $fields = $this->get_fields_in_multifield( $multifield->group, $slug, $object_type ); // validate/weed out the fields that can't be part of mulitified foreach ( $fields as $field_slug => $field ) { if ( ! in_array( $field->field_type, $this->_field_types_that_support_multifield ) ) { unset( $fields[$field_slug] ); } } $_values = $this->get_metadata_mulitifield_value( $slug, $multifield, $object_type, $object_id ); $_values = ( ! empty( $_values ) ) ? $_values : array( array() ); $grouping_count = 0; foreach ( $_values as $grouping_of_values ) { $grouping_count++; $grouping_id = $slug . '-' . $grouping_count; printf( '
', esc_attr( $grouping_id ) ); foreach ( $fields as $field_slug => $field ) { $value = ( isset( $grouping_of_values[$field_slug] ) ) ? $grouping_of_values[$field_slug] : false; $field_id = $slug . '[' . ( $grouping_count - 1 ) . ']' . '[' . $field_slug . ']'; $display_field_slug = $field_slug . '-' . $grouping_count; $this->_display_metadata_field( $display_field_slug, $field, $object_type, $object_id, $field_id, $value ); } echo '
'; printf( '+', __( 'duplicate this set of fields' ) ); if ( $grouping_count > 1 ) { printf( '-', __( 'remove this set of fields' ) ); } echo '
'; } echo '
'; } function _display_metadata_field( $field_slug, $field, $object_type, $object_id, $field_id = null, $value = null ) { // this is a safety to prevent multifields from being displayed as a field if ( true === $field->multifield ) return; if ( null === $value ) $value = $this->get_metadata_field_value( $field_slug, $field, $object_type, $object_id ); $callback = $field->display_callback; if ( $callback && is_callable( $callback ) ) { call_user_func( $callback, $field_slug, $field, $object_type, $object_id, $value ); return; } echo '
'; if ( ! in_array( $object_type, $this->_non_post_types ) ) global $post; if ( ! empty ($field->multiple ) && ( empty( $this->_cloneable_field_types ) || ! in_array( $field->field_type, $this->_cloneable_field_types ) ) ) { $field->multiple = false; printf( '

%s

', __( 'Note: this field type cannot be multiplied', 'custom-metadata-manager' ) ); } if ( empty( $field_id ) ) { $field_id = ( ! empty( $field->multiple ) || in_array( $field->field_type, $this->_always_multiple_fields ) ) ? $field_slug . '[]' : $field_slug; } $cloneable = ( ! empty( $field->multiple ) ) ? true : false; $readonly_str = ( ! empty( $field->readonly ) ) ? ' readonly="readonly"' : ''; $placeholder_str = ( in_array( $field->field_type, $this->_field_types_that_support_placeholder ) && ! empty( $field->placeholder ) ) ? ' placeholder="' . esc_attr( $field->placeholder ) . '"' : ''; printf( '', esc_attr( $field_slug ), esc_html( $field->label ) ); // check if there is a default value and set it if no value currently set if ( empty( $value ) && in_array( $field->field_type, $this->_field_types_that_support_default_value ) && ! empty( $field->default_value ) ) $value = sanitize_text_field( $field->default_value ); // if value is empty set to an empty string if ( empty( $value ) ) $value = ''; // make sure $value is an array $value = (array) $value; $count = 1; $container_class = sanitize_html_class( $field_slug ); $container_class .= ( $cloneable ) ? ' cloneable' : ''; foreach ( $value as $v ) : $container_id = $field_slug . '-' . $count; printf( '
', esc_attr( $container_class ), esc_attr( $container_id ) ); switch ( $field->field_type ) : case 'text' : printf( '', esc_attr( $field_slug ), esc_attr( $field_id ), esc_attr( $v ), $readonly_str, $placeholder_str ); break; case 'password' : printf( '', esc_attr( $field_slug ), esc_attr( $field_id ), esc_attr( $v ), $readonly_str, $placeholder_str ); break; case 'email' : printf( '', esc_attr( $field_slug ), esc_attr( $field_id ), esc_attr( $v ), $readonly_str, $placeholder_str ); break; case 'tel' : printf( '', esc_attr( $field_slug ), esc_attr( $field_id ), esc_attr( $v ), $readonly_str, $placeholder_str ); break; case 'link' : printf( '', esc_attr( $field_slug ), esc_attr( $field_id ), esc_attr( $v ), $readonly_str, $placeholder_str ); printf( '', esc_attr( $field->link_modal_button_text ) ); break; case 'number' : $min = ( ! empty( $field->min ) ) ? ' min="' . (int) $field->min . '"': ''; $max = ( ! empty( $field->max ) ) ? ' max="' . (int) $field->max . '"': ''; printf( '', esc_attr( $field_slug ), esc_attr( $field_id ), esc_attr( $v ), $readonly_str, $placeholder_str, $min, $max ); break; case 'textarea' : printf( '', esc_attr( $field_slug ), esc_attr( $field_id ), $readonly_str, $placeholder_str, esc_textarea( $v ) ); break; case 'checkbox' : printf( '', esc_attr( $field_slug ), esc_attr( $field_id ), checked( $v, 'on', false ) ); break; case 'radio' : foreach ( $field->values as $value_slug => $value_label ) { $value_id = sprintf( '%s_%s', $field_slug, $value_slug ); printf( ''; } break; case 'select' : $select2 = ( $field->select2 ) ? ' class="custom-metadata-select2" ' : ' '; $select2 .= ( $field->placeholder ) ? ' data-placeholder="'. esc_attr( $field->placeholder ) . '" ' : ' '; printf( ''; break; case 'datepicker' : $datepicker_value = ! empty( $v ) ? esc_attr( date( 'm/d/Y', $v ) ) : ''; printf( '', esc_attr( $field_id ), $datepicker_value, $readonly_str, $placeholder_str ); break; case 'colorpicker': printf( '', esc_attr( $field_id ), esc_attr( $v ), $readonly_str, $placeholder_str ); break; case 'datetimepicker' : $datetimepicker_value = ! empty( $v ) ? esc_attr( date( 'm/d/Y G:i', $v ) ) : ''; printf( '', esc_attr( $field_id ), $datetimepicker_value, $readonly_str, $placeholder_str ); break; case 'timepicker' : $timepicker = ! empty( $v ) ? esc_attr( date( 'G:i', $v ) ) : ''; printf( '', esc_attr( $field_id ), $timepicker, $readonly_str, $placeholder_str ); break; case 'wysiwyg' : $wysiwyg_args = apply_filters( 'custom_metadata_manager_wysiwyg_args_field_' . $field_id, $this->default_editor_args, $field_slug, $field, $object_type, $object_id ); wp_editor( $v, $field_id, $wysiwyg_args ); break; case 'upload' : $_attachment_id = $this->get_metadata_field_value( $field_slug . '_attachment_id', $field, $object_type, $object_id ); $attachment_id = array_shift( array_values( $_attachment_id ) ); // get the first value in the array printf( '', esc_attr( $field_id ), esc_attr( $v ), $readonly_str, $placeholder_str ); printf( '', esc_attr( $field->upload_modal_title ), esc_attr( $field->upload_modal_button_text ), esc_attr( $field->upload_modal_title ) ); printf( '', $field->upload_clear_button_text ); printf( '', esc_attr( $field_id . '_attachment_id' ), esc_attr( $attachment_id ) ); break; case 'taxonomy_select' : $terms = get_terms( $field->taxonomy, array( 'hide_empty' => false ) ); if ( empty( $terms ) ) { printf( __( 'There are no %s to select from yet.', $field->taxonomy ) ); break; } $select2 = ( $field->select2 ) ? ' class="custom-metadata-select2" ' : ' '; $select2 .= ( $field->placeholder ) ? ' data-placeholder="'. esc_attr( $field->placeholder ) . '" ' : ' '; printf( ''; break; case 'taxonomy_radio' : $terms = get_terms( $field->taxonomy, array( 'hide_empty' => false ) ); if ( empty( $terms ) ) { printf( __( 'There are no %s to select from yet.', $field->taxonomy ) ); break; } foreach ( $terms as $term ) { printf( ''; } break; endswitch; if ( $cloneable && $count > 1 ) echo '' . __( 'Delete', 'custom-metadata-manager' ) . ''; $count++; echo '
'; endforeach; if ( in_array( $field->field_type, $this->_always_multiple_fields ) ) : $container_id = $field_slug . '-' . 1; printf( '
', esc_attr( $container_class ), esc_attr( $container_id ) ); // fields that save as arrays are not part of the foreach, otherwise they would display for each value, which is not the desired behaviour switch ( $field->field_type ) : case 'multi_select' : $select2 = ( $field->select2 ) ? ' class="custom-metadata-select2" ' : ' '; $select2 .= ( $field->placeholder ) ? ' data-placeholder="'. esc_attr( $field->placeholder ) . '" ' : ' '; printf( ''; break; case 'taxonomy_checkbox' : $terms = get_terms( $field->taxonomy, array( 'hide_empty' => false ) ); if ( empty( $terms ) ) { printf( __( 'There are no %s to select from yet.', $field->taxonomy ) ); break; } foreach ( $terms as $term ) { printf( ' '; } break; case 'taxonomy_multi_select' : $terms = get_terms( $field->taxonomy, array( 'hide_empty' => false ) ); if ( empty( $terms ) ) { printf( __( 'There are no %s to select from yet.', $field->taxonomy ) ); break; } $select2 = ( $field->select2 ) ? ' class="custom-metadata-select2" ' : ' '; $select2 .= ( $field->placeholder ) ? ' data-placeholder="'. esc_attr( $field->placeholder ) . '" ' : ' '; printf( ''; break; endswitch; echo '
'; endif; if ( $cloneable ) printf( '

%s

', esc_attr( 'add-' . $field_slug ), __( '+ Add New', 'custom-metadata-manager' ) ); $this->_display_field_description( $field_slug, $field, $object_type, $object_id, $value ); echo '
'; } function _display_field_description( $field_slug, $field, $object_type, $object_id, $value ) { if ( $field->description ) echo '' . $field->description . ''; } function _display_registration_errors() { if ( empty( $this->errors ) ) return; echo '
'; foreach ( $this->errors as $error => $error_message ) printf( '
  • %s
    • ', esc_html( $error_message ) ); echo '
    '; } function _display_wp_link_dialog() { if ( ! class_exists( '_WP_Editors' ) ) require( ABSPATH . WPINC . '/class-wp-editor.php' ); if ( ! has_action( 'admin_footer', array( '_WP_Editors', 'enqueue_scripts' ) ) ) _WP_Editors::wp_link_dialog(); } } global $custom_metadata_manager; // for backwards-compatibility we keep the global around, but it shouldn't be used $custom_metadata_manager = custom_metadata_manager::instance(); function x_add_metadata_field( $slug, $object_types = 'post', $args = array() ) { custom_metadata_manager::instance()->add_metadata_field( $slug, $object_types, $args ); } function x_add_metadata_multifield( $slug, $object_types = 'post', $args = array() ) { custom_metadata_manager::instance()->add_multifield( $slug, $object_types, $args ); } function x_add_metadata_group( $slug, $object_types, $args = array() ) { custom_metadata_manager::instance()->add_metadata_group( $slug, $object_types, $args ); }