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<?php
/**
* Abstract of a field definition (common interface and code for generic and Types field definitions).
*/
abstract class WPCF_Field_Definition_Abstract {
/**
* @return string Field definition slug.
*/
public abstract function get_slug();
/**
* @return string Field definition display name.
*/
public abstract function get_name();
/**
* @return string Description provided by the user.
*/
public abstract function get_description();
/**
* @return string Meta key used to store values of these fields.
*/
public abstract function get_meta_key();
/**
* Determine whether the field is currently under Types control.
*
* @return mixed
*/
public abstract function is_under_types_control();
/**
* @return Types_Field_Group[]
*/
public abstract function get_associated_groups();
/**
* Does the field definition match a certain string?
*
* Searches it's name and slug.
*
* @param string $search_string
* @return bool
*/
public function is_match( $search_string ) {
return (
Types_Utils::is_string_match( $search_string, $this->get_name() )
|| Types_Utils::is_string_match( $search_string, $this->get_slug() )
);
}
/**
* @return string[] Slugs of field groups where this field belongs to.
* @since 2.1
*/
private function get_group_slugs() {
$groups = $this->get_associated_groups();
$group_slugs = array();
foreach( $groups as $group ) {
$group_slugs[] = $group->get_slug();
}
return $group_slugs;
}
/**
* Get field definition data as an associative array for coversion to JSON.
*
* Doesn't return the JSON string directly because child classes may reuse this method and add their own
* properties.
*
* Guaranteed properties are: isUnderTypesControl, slug, displayName, groups.
*
* @return array
* @since 2.0
*/
public function to_json() {
$object_data = array(
'isUnderTypesControl' => $this->is_under_types_control(),
'slug' => $this->get_slug(),
'metaKey' => $this->get_slug(),
'displayName' => $this->get_name(),
'groups' => $this->get_group_slugs()
);
return $object_data;
}
}