<?php
/**
* Handles hooking CMB2 forms/metaboxes into the post/attachement/user screens
* and handles hooking in and saving those fields.
*
* @since 2.0.0
*
* @category WordPress_Plugin
* @package CMB2
* @author CMB2 team
* @license GPL-2.0+
* @link https://cmb2.io
*/
class CMB2_Hookup extends CMB2_Hookup_Base {
/**
* Only allow JS registration once
*
* @var bool
* @since 2.0.7
*/
protected static $js_registration_done = false;
/**
* Only allow CSS registration once
*
* @var bool
* @since 2.0.7
*/
protected static $css_registration_done = false;
/**
* CMB taxonomies array for term meta
*
* @var array
* @since 2.2.0
*/
protected $taxonomies = array();
/**
* Custom field columns.
*
* @var array
* @since 2.2.2
*/
protected $columns = array();
/**
* Array of CMB2_Options_Hookup instances if options page metabox.
*
* @var CMB2_Options_Hookup[]|null
* @since 2.2.5
*/
protected $options_hookup = null;
/**
* A functionalized constructor, used for the hookup action callbacks.
*
* @since 2.2.6
*
* @param CMB2 $cmb The CMB2 object to hookup.
*
* @return CMB2_Hookup_Base $hookup The hookup object.
*/
public static function maybe_init_and_hookup( CMB2 $cmb ) {
if ( $cmb->prop( 'hookup' ) ) {
$hookup = new self( $cmb );
// Hook in the hookup... how meta.
return $hookup->universal_hooks();
}
return false;
}
public function universal_hooks() {
foreach ( get_class_methods( 'CMB2_Show_Filters' ) as $filter ) {
add_filter( 'cmb2_show_on', array( 'CMB2_Show_Filters', $filter ), 10, 3 );
}
if ( is_admin() ) {
// Register our scripts and styles for cmb.
$this->once( 'admin_enqueue_scripts', array( __CLASS__, 'register_scripts' ), 8 );
$this->once( 'admin_enqueue_scripts', array( $this, 'do_scripts' ) );
$this->maybe_enqueue_column_display_styles();
switch ( $this->object_type ) {
case 'post':
return $this->post_hooks();
case 'comment':
return $this->comment_hooks();
case 'user':
return $this->user_hooks();
case 'term':
return $this->term_hooks();
case 'options-page':
return $this->options_page_hooks();
}
}
do_action( 'cmb2_init_hooks', $this );
return $this;
}
public function post_hooks() {
// Fetch the context we set in our call.
$context = $this->cmb->prop( 'context' ) ? $this->cmb->prop( 'context' ) : 'normal';
// Call the proper hook based on the context provided.
switch ( $context ) {
case 'form_top':
add_action( 'edit_form_top', array( $this, 'add_context_metaboxes' ) );
break;
case 'before_permalink':
add_action( 'edit_form_before_permalink', array( $this, 'add_context_metaboxes' ) );
break;
case 'after_title':
add_action( 'edit_form_after_title', array( $this, 'add_context_metaboxes' ) );
break;
case 'after_editor':
add_action( 'edit_form_after_editor', array( $this, 'add_context_metaboxes' ) );
break;
default:
add_action( 'add_meta_boxes', array( $this, 'add_metaboxes' ) );
}
add_action( 'add_meta_boxes', array( $this, 'remove_default_tax_metaboxes' ) );
add_action( 'add_attachment', array( $this, 'save_post' ) );
add_action( 'edit_attachment', array( $this, 'save_post' ) );
add_action( 'save_post', array( $this, 'save_post' ), 10, 2 );
if ( $this->cmb->has_columns ) {
foreach ( $this->cmb->box_types() as $post_type ) {
add_filter( "manage_{$post_type}_posts_columns", array( $this, 'register_column_headers' ) );
add_action( "manage_{$post_type}_posts_custom_column", array( $this, 'column_display' ), 10, 2 );
add_filter( "manage_edit-{$post_type}_sortable_columns", array( $this, 'columns_sortable' ) );
add_action( 'pre_get_posts', array( $this, 'columns_sortable_orderby' ) );
}
}
return $this;
}
public function comment_hooks() {
add_action( 'add_meta_boxes_comment', array( $this, 'add_metaboxes' ) );
add_action( 'edit_comment', array( $this, 'save_comment' ) );
if ( $this->cmb->has_columns ) {
add_filter( 'manage_edit-comments_columns', array( $this, 'register_column_headers' ) );
add_action( 'manage_comments_custom_column', array( $this, 'column_display' ), 10, 3 );
add_filter( 'manage_edit-comments_sortable_columns', array( $this, 'columns_sortable' ) );
add_action( 'pre_get_posts', array( $this, 'columns_sortable_orderby' ) );
}
return $this;
}
public function user_hooks() {
$priority = $this->get_priority();
add_action( 'show_user_profile', array( $this, 'user_metabox' ), $priority );
add_action( 'edit_user_profile', array( $this, 'user_metabox' ), $priority );
add_action( 'user_new_form', array( $this, 'user_new_metabox' ), $priority );
add_action( 'personal_options_update', array( $this, 'save_user' ) );
add_action( 'edit_user_profile_update', array( $this, 'save_user' ) );
add_action( 'user_register', array( $this, 'save_user' ) );
if ( $this->cmb->has_columns ) {
add_filter( 'manage_users_columns', array( $this, 'register_column_headers' ) );
add_filter( 'manage_users_custom_column', array( $this, 'return_column_display' ), 10, 3 );
add_filter( 'manage_users_sortable_columns', array( $this, 'columns_sortable' ) );
add_action( 'pre_get_posts', array( $this, 'columns_sortable_orderby' ) );
}
return $this;
}
public function term_hooks() {
if ( ! function_exists( 'get_term_meta' ) ) {
wp_die( esc_html__( 'Term Metadata is a WordPress 4.4+ feature. Please upgrade your WordPress install.', 'cmb2' ) );
}
if ( ! $this->cmb->prop( 'taxonomies' ) ) {
wp_die( esc_html__( 'Term metaboxes configuration requires a "taxonomies" parameter.', 'cmb2' ) );
}
$this->taxonomies = (array) $this->cmb->prop( 'taxonomies' );
$show_on_term_add = $this->cmb->prop( 'new_term_section' );
$priority = $this->get_priority( 8 );
foreach ( $this->taxonomies as $taxonomy ) {
// Display our form data.
add_action( "{$taxonomy}_edit_form", array( $this, 'term_metabox' ), $priority, 2 );
$show_on_add = is_array( $show_on_term_add )
? in_array( $taxonomy, $show_on_term_add )
: (bool) $show_on_term_add;
/**
* Filter to determine if the term's fields should show in the "Add term" section.
*
* The dynamic portion of the hook name, $cmb_id, is the metabox id.
*
* @param bool $show_on_add Default is the value of the new_term_section cmb parameter.
* @param object $cmb The CMB2 instance
*/
$show_on_add = apply_filters( "cmb2_show_on_term_add_form_{$this->cmb->cmb_id}", $show_on_add, $this->cmb );
// Display form in add-new section (unless specified not to).
if ( $show_on_add ) {
add_action( "{$taxonomy}_add_form_fields", array( $this, 'term_metabox' ), $priority, 2 );
}
if ( $this->cmb->has_columns ) {
add_filter( "manage_edit-{$taxonomy}_columns", array( $this, 'register_column_headers' ) );
add_filter( "manage_{$taxonomy}_custom_column", array( $this, 'return_column_display' ), 10, 3 );
add_filter( "manage_edit-{$taxonomy}_sortable_columns", array( $this, 'columns_sortable' ) );
add_action( 'pre_get_posts', array( $this, 'columns_sortable_orderby' ) );
}
}
add_action( 'created_term', array( $this, 'save_term' ), 10, 3 );
add_action( 'edited_terms', array( $this, 'save_term' ), 10, 2 );
add_action( 'delete_term', array( $this, 'delete_term' ), 10, 3 );
return $this;
}
public function options_page_hooks() {
$option_keys = $this->cmb->options_page_keys();
if ( ! empty( $option_keys ) ) {
foreach ( $option_keys as $option_key ) {
$this->options_hookup[ $option_key ] = new CMB2_Options_Hookup( $this->cmb, $option_key );
$this->options_hookup[ $option_key ]->hooks();
}
}
return $this;
}
/**
* Registers styles for CMB2
*
* @since 2.0.7
*/
protected static function register_styles() {
if ( self::$css_registration_done ) {
return;
}
// Only use minified files if SCRIPT_DEBUG is off.
$min = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
$front = is_admin() ? '' : '-front';
$rtl = is_rtl() ? '-rtl' : '';
/**
* Filters the registered style dependencies for the cmb2 stylesheet.
*
* @param array $dependencies The registered style dependencies for the cmb2 stylesheet.
*/
$dependencies = apply_filters( 'cmb2_style_dependencies', array() );
wp_register_style( 'cmb2-styles', CMB2_Utils::url( "css/cmb2{$front}{$rtl}{$min}.css" ), $dependencies );
wp_register_style( 'cmb2-display-styles', CMB2_Utils::url( "css/cmb2-display{$rtl}{$min}.css" ), $dependencies );
self::$css_registration_done = true;
}
/**
* Registers scripts for CMB2
*
* @since 2.0.7
*/
protected static function register_js() {
if ( self::$js_registration_done ) {
return;
}
$hook = is_admin() ? 'admin_footer' : 'wp_footer';
add_action( $hook, array( 'CMB2_JS', 'enqueue' ), 8 );
self::$js_registration_done = true;
}
/**
* Registers scripts and styles for CMB2
*
* @since 1.0.0
*/
public static function register_scripts() {
self::register_styles();
self::register_js();
}
/**
* Enqueues scripts and styles for CMB2 in admin_head.
*
* @since 1.0.0
*
* @param string $hook Current hook for the admin page.
*/
public function do_scripts( $hook ) {
$should_pre_enqueue = in_array( $hook, array(
'post.php',
'post-new.php',
'page-new.php',
'page.php',
'comment.php',
'edit-tags.php',
'term.php',
'user-new.php',
'profile.php',
'user-edit.php',
), true );
/**
* Filter to determine if CMB2 should be pre-enqueued on the current page.
*
* `show_form_for_type` will have us covered if we miss something here, but may be a
* flash of unstyled content.
*
* @param bool $should_pre_enqueue Whether CMB2 should be pre-enqueued on the current page.
* @param string $hook The current hook for the admin page.
* @param object $cmb The CMB2 object.
*/
$should_pre_enqueue = apply_filters( 'cmb2_should_pre_enqueue', $should_pre_enqueue, $hook, $this );
// only pre-enqueue our scripts/styles on the proper pages
// show_form_for_type will have us covered if we miss something here.
if ( $should_pre_enqueue ) {
if ( $this->cmb->prop( 'cmb_styles' ) ) {
self::enqueue_cmb_css();
}
if ( $this->cmb->prop( 'enqueue_js' ) ) {
self::enqueue_cmb_js();
}
}
}
/**
* Register the CMB2 field column headers.
*
* @since 2.2.2
*
* @param array $columns Array of columns available for the admin page.
*/
public function register_column_headers( $columns ) {
foreach ( $this->cmb->prop( 'fields' ) as $field ) {
if ( empty( $field['column'] ) ) {
continue;
}
$column = $field['column'];
if ( false === $column['position'] ) {
$columns[ $field['id'] ] = $column['name'];
} else {
$before = array_slice( $columns, 0, absint( $column['position'] ) );
$before[ $field['id'] ] = $column['name'];
$columns = $before + $columns;
}
$column['field'] = $field;
$this->columns[ $field['id'] ] = $column;
}
return $columns;
}
/**
* The CMB2 field column display output.
*
* @since 2.2.2
*
* @param string $column_name Current column name.
* @param mixed $object_id Current object ID.
*/
public function column_display( $column_name, $object_id ) {
if ( isset( $this->columns[ $column_name ] ) ) {
$field = new CMB2_Field( array(
'field_args' => $this->columns[ $column_name ]['field'],
'object_type' => $this->object_type,
'object_id' => $this->cmb->object_id( $object_id ),
'cmb_id' => $this->cmb->cmb_id,
) );
$this->cmb->get_field( $field )->render_column();
}
}
/**
* Returns the columns sortable array.
*
* @since 2.6.1
*
* @param array $columns An array of sortable columns.
*
* @return array $columns An array of sortable columns with CMB2 columns.
*/
public function columns_sortable( $columns ) {
foreach ( $this->cmb->prop( 'fields' ) as $field ) {
if ( ! empty( $field['column'] ) && empty( $field['column']['disable_sortable'] ) ) {
$columns[ $field['id'] ] = $field['id'];
}
}
return $columns;
}
/**
* Return the query object to order by custom columns if selected
*
* @since 2.6.1
*
* @param object $query Object query from WordPress
*
* @return void
*/
public function columns_sortable_orderby( $query ) {
if ( ! is_admin() ) {
return;
}
$orderby = $query->get( 'orderby' );
foreach ( $this->cmb->prop( 'fields' ) as $field ) {
if (
empty( $field['column'] )
|| ! empty( $field['column']['disable_sortable'] )
|| $field['id'] !== $orderby
) {
continue;
}
$query->set( 'meta_key', $field['id'] );
$type = $field['type'];
if ( ! empty( $field['attributes']['type'] ) ) {
switch ( $field['attributes']['type'] ) {
case 'number':
case 'date':
$type = $field['attributes']['type'];
break;
case 'range':
$type = 'number';
break;
}
}
switch ( $type ) {
case 'number':
case 'text_date_timestamp':
case 'text_datetime_timestamp':
case 'text_money':
$query->set( 'orderby', 'meta_value_num' );
break;
case 'text_time':
$query->set( 'orderby', 'meta_value_time' );
break;
case 'text_date':
$query->set( 'orderby', 'meta_value_date' );
break;
default:
$query->set( 'orderby', 'meta_value' );
break;
}
}
}
/**
* Returns the column display.
*
* @since 2.2.2
*/
public function return_column_display( $empty, $custom_column, $object_id ) {
ob_start();
$this->column_display( $custom_column, $object_id );
$column = ob_get_clean();
return $column ? $column : $empty;
}
/**
* Output the CMB2 box/fields in an alternate context (not in a standard metabox area).
*
* @since 2.2.4
*/
public function add_context_metaboxes() {
if ( ! $this->show_on() ) {
return;
}
$page = get_current_screen()->id;
foreach ( $this->cmb->box_types() as $object_type ) {
$screen = convert_to_screen( $object_type );
// If we're on the right post-type/object...
if ( isset( $screen->id ) && $screen->id === $page ) {
// Show the box.
$this->output_context_metabox();
}
}
}
/**
* Output the CMB2 box/fields in an alternate context (not in a standard metabox area).
*
* @since 2.2.4
*/
public function output_context_metabox() {
$title = $this->cmb->prop( 'title' );
/*
* To keep from outputting the open/close markup, do not include
* a 'title' property in your metabox registration array.
*
* To output the fields 'naked' (without a postbox wrapper/style), then
* add a `'remove_box_wrap' => true` to your metabox registration array.
*/
$add_wrap = ! empty( $title ) || ! $this->cmb->prop( 'remove_box_wrap' );
$add_handle = $add_wrap && ! empty( $title );
// Open the context-box wrap.
$this->context_box_title_markup_open( $add_handle );
// Show the form fields.
$this->cmb->show_form();
// Close the context-box wrap.
$this->context_box_title_markup_close( $add_handle );
}
/**
* Output the opening markup for a context box.
*
* @since 2.2.4
* @param bool $add_handle Whether to add the metabox handle and opening div for .inside.
*/
public function context_box_title_markup_open( $add_handle = true ) {
$cmb_id = $this->cmb->cmb_id;
$title = $this->cmb->prop( 'title' );
$screen = get_current_screen();
$page = $screen->id;
$is_55 = CMB2_Utils::wp_at_least( '5.5' );
add_filter( "postbox_classes_{$page}_{$cmb_id}", array( $this, 'postbox_classes' ) );
$hidden_class = '';
if ( $is_55 ) {
// get_hidden_meta_boxes() doesn't apply in the block editor.
$is_hidden = ! $screen->is_block_editor() && in_array( $cmb_id, get_hidden_meta_boxes( $screen ), true );
$hidden_class = $is_hidden
? ' hide-if-js'
: '';
}
$toggle_button = sprintf(
'<button type="button" class="handlediv button-link" aria-expanded="true"><span class="screen-reader-text">%s</span><span class="toggle-indicator" aria-hidden="true"></span></button>',
/* translators: %s: name of CMB2 box (panel) */
sprintf( __( 'Toggle panel: %s' ), $title )
);
$title_tag = '<h2 class="hndle"><span>' . esc_attr( $title ) . '</span></h2>' . "\n";
echo '<div id="' . $cmb_id . '" class="' . postbox_classes( $cmb_id, $page ) . $hidden_class . '">' . "\n";
if ( $add_handle ) {
if ( $is_55 ) {
echo '<div class="postbox-header">';
echo $title_tag;
echo '<div class="handle-actions hide-if-no-js">';
echo $toggle_button;
echo '</div>';
echo '</div>' . "\n";
} else {
echo $toggle_button;
echo $title_tag;
}
echo '<div class="inside">' . "\n";
}
}
/**
* Output the closing markup for a context box.
*
* @since 2.2.4
* @param bool $add_inside_close Whether to add closing div for .inside.
*/
public function context_box_title_markup_close( $add_inside_close = true ) {
// Load the closing divs for a title box.
if ( $add_inside_close ) {
echo '</div>' . "\n"; // .inside
}
echo '</div>' . "\n"; // .context-box
}
/**
* Add metaboxes (to 'post' or 'comment' object types)
*
* @since 1.0.0
*/
public function add_metaboxes() {
if ( ! $this->show_on() ) {
return;
}
/*
* To keep from registering an actual post-screen metabox,
* omit the 'title' property from the metabox registration array.
*
* (WordPress will not display metaboxes without titles anyway)
*
* This is a good solution if you want to handle outputting your
* metaboxes/fields elsewhere in the post-screen.
*/
if ( ! $this->cmb->prop( 'title' ) ) {
return;
}
$page = get_current_screen()->id;
add_filter( "postbox_classes_{$page}_{$this->cmb->cmb_id}", array( $this, 'postbox_classes' ) );
foreach ( $this->cmb->box_types() as $object_type ) {
add_meta_box(
$this->cmb->cmb_id,
$this->cmb->prop( 'title' ),
array( $this, 'metabox_callback' ),
$object_type,
$this->cmb->prop( 'context' ),
$this->cmb->prop( 'priority' ),
$this->cmb->prop( 'mb_callback_args' )
);
}
}
/**
* Remove the specified default taxonomy metaboxes for a post-type.
*
* @since 2.2.3
*
*/
public function remove_default_tax_metaboxes() {
$to_remove = array_filter( (array) $this->cmb->tax_metaboxes_to_remove, 'taxonomy_exists' );
if ( empty( $to_remove ) ) {
return;
}
foreach ( $this->cmb->box_types() as $post_type ) {
foreach ( $to_remove as $taxonomy ) {
$mb_id = is_taxonomy_hierarchical( $taxonomy ) ? "{$taxonomy}div" : "tagsdiv-{$taxonomy}";
remove_meta_box( $mb_id, $post_type, 'side' );
}
}
}
/**
* Modify metabox postbox classes.
*
* @since 2.2.4
* @param array $classes Array of classes.
* @return array Modified array of classes
*/
public function postbox_classes( $classes ) {
if ( $this->cmb->prop( 'closed' ) && ! in_array( 'closed', $classes ) ) {
$classes[] = 'closed';
}
if ( $this->cmb->is_alternate_context_box() ) {
$classes = $this->alternate_context_postbox_classes( $classes );
} else {
$classes[] = 'cmb2-postbox';
}
return $classes;
}
/**
* Modify metabox altnernate context postbox classes.
*
* @since 2.2.4
* @param array $classes Array of classes.
* @return array Modified array of classes
*/
protected function alternate_context_postbox_classes( $classes ) {
$classes[] = 'context-box';
$classes[] = 'context-' . $this->cmb->prop( 'context' ) . '-box';
if ( in_array( $this->cmb->cmb_id, get_hidden_meta_boxes( get_current_screen() ) ) ) {
$classes[] = 'hide-if-js';
}
$add_wrap = $this->cmb->prop( 'title' ) || ! $this->cmb->prop( 'remove_box_wrap' );
if ( $add_wrap ) {
$classes[] = 'cmb2-postbox postbox';
} else {
$classes[] = 'cmb2-no-box-wrap';
}
return $classes;
}
/**
* Display metaboxes for a post or comment object.
*
* @since 1.0.0
*/
public function metabox_callback() {
$object_id = 'comment' === $this->object_type ? get_comment_ID() : get_the_ID();
$this->cmb->show_form( $object_id, $this->object_type );
}
/**
* Display metaboxes for new user page.
*
* @since 1.0.0
*
* @param mixed $section User section metabox.
*/
public function user_new_metabox( $section ) {
if ( $section === $this->cmb->prop( 'new_user_section' ) ) {
$object_id = $this->cmb->object_id();
$this->cmb->object_id( isset( $_REQUEST['user_id'] ) ? $_REQUEST['user_id'] : $object_id );
$this->user_metabox();
}
}
/**
* Display metaboxes for a user object.
*
* @since 1.0.0
*/
public function user_metabox() {
$this->show_form_for_type( 'user' );
}
/**
* Display metaboxes for a taxonomy term object.
*
* @since 2.2.0
*/
public function term_metabox() {
$this->show_form_for_type( 'term' );
}
/**
* Display metaboxes for an object type.
*
* @since 2.2.0
* @param string $type Object type.
* @return void
*/
public function show_form_for_type( $type ) {
if ( $type != $this->object_type ) {
return;
}
if ( ! $this->show_on() ) {
return;
}
if ( $this->cmb->prop( 'cmb_styles' ) ) {
self::enqueue_cmb_css();
}
if ( $this->cmb->prop( 'enqueue_js' ) ) {
self::enqueue_cmb_js();
}
$this->cmb->show_form( 0, $type );
}
/**
* Determines if metabox should be shown in current context.
*
* @since 2.0.0
* @return bool Whether metabox should be added/shown.
*/
public function show_on() {
// If metabox is requesting to be conditionally shown.
$show = $this->cmb->should_show();
/**
* Filter to determine if metabox should show. Default is true.
*
* @param array $show Default is true, show the metabox.
* @param mixed $meta_box_args Array of the metabox arguments.
* @param mixed $cmb The CMB2 instance.
*/
$show = (bool) apply_filters( 'cmb2_show_on', $show, $this->cmb->meta_box, $this->cmb );
return $show;
}
/**
* Get the CMB priority property set to numeric hook priority.
*
* @since 2.2.0
*
* @param integer $default Default display hook priority.
* @return integer Hook priority.
*/
public function get_priority( $default = 10 ) {
$priority = $this->cmb->prop( 'priority' );
if ( ! is_numeric( $priority ) ) {
switch ( $priority ) {
case 'high':
$priority = 5;
break;
case 'low':
$priority = 20;
break;
default:
$priority = $default;
break;
}
}
return $priority;
}
/**
* Save data from post metabox
*
* @since 1.0.0
* @param int $post_id Post ID.
* @param mixed $post Post object.
* @return void
*/
public function save_post( $post_id, $post = false ) {
$post_type = $post ? $post->post_type : get_post_type( $post_id );
$do_not_pass_go = (
! $this->can_save( $post_type )
// Check user editing permissions.
|| ( 'page' === $post_type && ! current_user_can( 'edit_page', $post_id ) )
|| ! current_user_can( 'edit_post', $post_id )
);
if ( $do_not_pass_go ) {
return;
}
$this->cmb->save_fields( $post_id, 'post', $_POST );
}
/**
* Save data from comment metabox.
*
* @since 2.0.9
* @param int $comment_id Comment ID.
* @return void
*/
public function save_comment( $comment_id ) {
$can_edit = current_user_can( 'moderate_comments', $comment_id );
if ( $this->can_save( get_comment_type( $comment_id ) ) && $can_edit ) {
$this->cmb->save_fields( $comment_id, 'comment', $_POST );
}
}
/**
* Save data from user fields.
*
* @since 1.0.x
* @param int $user_id User ID.
* @return void
*/
public function save_user( $user_id ) {
// check permissions.
if ( $this->can_save( 'user' ) ) {
$this->cmb->save_fields( $user_id, 'user', $_POST );
}
}
/**
* Save data from term fields
*
* @since 2.2.0
* @param int $term_id Term ID.
* @param int $tt_id Term Taxonomy ID.
* @param string $taxonomy Taxonomy.
* @return void
*/
public function save_term( $term_id, $tt_id, $taxonomy = '' ) {
$taxonomy = $taxonomy ? $taxonomy : $tt_id;
// check permissions.
if ( $this->taxonomy_can_save( $taxonomy ) && $this->can_save( 'term' ) ) {
$this->cmb->save_fields( $term_id, 'term', $_POST );
}
}
/**
* Delete term meta when a term is deleted.
*
* @since 2.2.0
* @param int $term_id Term ID.
* @param int $tt_id Term Taxonomy ID.
* @param string $taxonomy Taxonomy.
* @return void
*/
public function delete_term( $term_id, $tt_id, $taxonomy = '' ) {
if ( $this->taxonomy_can_save( $taxonomy ) ) {
$data_to_delete = array();
foreach ( $this->cmb->prop( 'fields' ) as $field ) {
$data_to_delete[ $field['id'] ] = '';
}
$this->cmb->save_fields( $term_id, 'term', $data_to_delete );
}
}
/**
* Determines if the current object is able to be saved.
*
* @since 2.0.9
* @param string $type Current object type.
* @return bool Whether object can be saved.
*/
public function can_save( $type = '' ) {
$can_save = (
$this->cmb->prop( 'save_fields' )
// check nonce.
&& isset( $_POST[ $this->cmb->nonce() ] )
&& wp_verify_nonce( $_POST[ $this->cmb->nonce() ], $this->cmb->nonce() )
// check if autosave.
&& ! ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
// get the metabox types & compare it to this type.
&& ( $type && in_array( $type, $this->cmb->box_types() ) )
// Don't do updates during a switch-to-blog instance.
&& ! ( is_multisite() && ms_is_switched() )
);
/**
* Filter to determine if metabox is allowed to save.
*
* @param bool $can_save Whether the current metabox can save.
* @param object $cmb The CMB2 instance.
*/
return apply_filters( 'cmb2_can_save', $can_save, $this->cmb );
}
/**
* Determine if taxonomy of term being modified is cmb2-editable.
*
* @since 2.2.0
*
* @param string $taxonomy Taxonomy of term being modified.
* @return bool Whether taxonomy is editable.
*/
public function taxonomy_can_save( $taxonomy ) {
if ( empty( $this->taxonomies ) || ! in_array( $taxonomy, $this->taxonomies ) ) {
return false;
}
$taxonomy_object = get_taxonomy( $taxonomy );
// Can the user edit this term?
if ( ! isset( $taxonomy_object->cap ) || ! current_user_can( $taxonomy_object->cap->edit_terms ) ) {
return false;
}
return true;
}
/**
* Enqueues the 'cmb2-display-styles' if the conditions match (has columns, on the right page, etc).
*
* @since 2.2.2.1
*/
protected function maybe_enqueue_column_display_styles() {
global $pagenow;
if (
$pagenow
&& $this->cmb->has_columns
&& $this->cmb->prop( 'cmb_styles' )
&& in_array( $pagenow, array( 'edit.php', 'users.php', 'edit-comments.php', 'edit-tags.php' ), 1 )
) {
self::enqueue_cmb_css( 'cmb2-display-styles' );
}
}
/**
* Includes CMB2 styles.
*
* @since 2.0.0
*
* @param string $handle CSS handle.
* @return mixed
*/
public static function enqueue_cmb_css( $handle = 'cmb2-styles' ) {
/**
* Filter to determine if CMB2'S css should be enqueued.
*
* @param bool $enqueue_css Default is true.
*/
if ( ! apply_filters( 'cmb2_enqueue_css', true ) ) {
return false;
}
self::register_styles();
/*
* White list the options as this method can be used as a hook callback
* and have a different argument passed.
*/
return wp_enqueue_style( 'cmb2-display-styles' === $handle ? $handle : 'cmb2-styles' );
}
/**
* Includes CMB2 JS.
*
* @since 2.0.0
*/
public static function enqueue_cmb_js() {
/**
* Filter to determine if CMB2'S JS should be enqueued.
*
* @param bool $enqueue_js Default is true.
*/
if ( ! apply_filters( 'cmb2_enqueue_js', true ) ) {
return false;
}
self::register_js();
return true;
}
}