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<?php
/**
* Factory for the Types_Field_Group_Term class.
*
* @since 1.9
*/
class Types_Field_Group_Term_Factory extends Types_Field_Group_Factory {
/**
* @return Types_Field_Group_Term_Factory
*/
public static function get_instance() {
return parent::get_instance();
}
protected function __construct() {
parent::__construct();
add_action( 'wpcf_group_updated', array( $this, 'on_group_updated' ), 10, 2 );
}
/**
* Load a field group instance.
*
* @param int|string|WP_Post $field_group Post ID of the field group, it's name or a WP_Post object.
*
* @return null|Types_Field_Group_Term Field group or null if it can't be loaded.
*/
public static function load( $field_group ) {
// we cannot use self::get_instance here, because of low PHP requirements and missing get_called_class function
// we have a fallback class for get_called_class but that scans files by debug_backtrace and return 'self'
// instead of Types_Field_Group_Term_Factory like the original get_called_class() function does
// ends in an error because of parents (abstract) $var = new self();
return Types_Field_Group_Term_Factory::get_instance()->load_field_group( $field_group );
}
/**
* Create new field group.
*
* @param string $name Sanitized field group name. Note that the final name may change when new post is inserted.
* @param string $title Field group title.
*
* @return null|Types_Field_Group The new field group or null on error.
*/
public static function create( $name, $title = '' ) {
// we cannot use self::get_instance here, because of low PHP requirements and missing get_called_class function
// we have a fallback class for get_called_class but that scans files by debug_backtrace and return 'self'
// instead of Types_Field_Group_Term_Factory like the original get_called_class() function does
// ends in an error because of parents (abstract) $var = new self();
return Types_Field_Group_Term_Factory::get_instance()->create_field_group( $name, $title );
}
public function get_post_type() {
return Types_Field_Group_Term::POST_TYPE;
}
protected function get_field_group_class_name() {
return 'Types_Field_Group_Term';
}
/**
* @var null|Types_Field_Group_Term[][] Cache for the get_groups_by_taxonomies() method.
*/
private $taxonomy_assignment_cache = null;
/**
* Clears the cache for taxonomy assignemnts.
* It is only used for testing purposes.
*
* @since 2.2
* @deprecated deprecated since version 2.2
*/
public function clear_taxonomy_assignment_cache() {
$this->taxonomy_assignment_cache = null;
}
/**
* Produce a list of all taxonomies with groups that belong to them.
*
* @return Types_Field_Group_Term[][] Associative array where keys are taxonomy slugs and values are arrays of field
* groups that are associated with those taxonomies.
*/
public function get_groups_by_taxonomies() {
if( null == $this->taxonomy_assignment_cache ) {
$groups = $this->query_groups();
$taxonomies = get_taxonomies();
$this->taxonomy_assignment_cache = array();
foreach( $taxonomies as $taxonomy ) {
$taxonomy_slug = $taxonomy;
$groups_for_taxonomy = array();
foreach( $groups as $group ) {
if( $group instanceof Types_Field_Group_Term
&& $group->is_active()
&& $group->has_associated_taxonomy( $taxonomy_slug )
) {
$groups_for_taxonomy[] = $group;
}
}
$this->taxonomy_assignment_cache[ $taxonomy_slug ] = $groups_for_taxonomy;
}
}
return $this->taxonomy_assignment_cache;
}
/**
* Get array of groups that are associated with given taxonomy.
*
* @param string $taxonomy_slug Slug of the taxonomy
*
* @return Types_Field_Group_Term[] Associated term field groups.
*/
public function get_groups_by_taxonomy( $taxonomy_slug ) {
$groups_by_taxonomies = $this->get_groups_by_taxonomies();
return wpcf_ensarr( wpcf_getarr( $groups_by_taxonomies, $taxonomy_slug ) );
}
/**
* This needs to be executed whenever a term group is updated.
*
* Hooked into the wpcf_group_updated action.
* Erases cache for the get_groups_by_taxonomies() method.
*
* @param int $group_id Ignored
* @param Types_Field_Group $group Field group that has been just updated.
*/
public function on_group_updated( /** @noinspection PhpUnusedParameterInspection */ $group_id, $group ) {
if( $group instanceof Types_Field_Group_Term ) {
$this->taxonomy_assignment_cache = null;
}
}
}