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<?php
/**
* EverestForms Form Fields
*
* Loads form fields via hooks for use in the builder.
*
* @package EverestForms\Classes\Fields
* @version 1.2.0
*/
defined( 'ABSPATH' ) || exit;
/**
* Form fields class.
*/
class EVF_Fields {
/**
* Form fields classes.
*
* @var array
*/
public $form_fields = array();
/**
* The single instance of the class.
*
* @var EVF_Fields
*/
protected static $instance = null;
/**
* Main EVF_Fields Instance.
*
* Ensures only one instance of EVF_Fields is loaded or can be loaded.
*
* @return EVF_Fields Main instance.
*/
public static function instance() {
if ( is_null( self::$instance ) ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Cloning is forbidden.
*
* @since 1.2.0
*/
public function __clone() {
evf_doing_it_wrong( __FUNCTION__, __( 'Cloning is forbidden.', 'everest-forms' ), '1.2.0' );
}
/**
* Unserializing instances of this class is forbidden.
*
* @since 1.2.0
*/
public function __wakeup() {
evf_doing_it_wrong( __FUNCTION__, __( 'Unserializing instances of this class is forbidden.', 'everest-forms' ), '1.2.0' );
}
/**
* Initialize form fields.
*/
public function __construct() {
$this->init();
}
/**
* Load fields and hook in functions.
*/
public function init() {
$load_fields = apply_filters(
'everest_forms_fields',
array(
'EVF_Field_First_Name',
'EVF_Field_Last_Name',
'EVF_Field_Text',
'EVF_Field_Textarea',
'EVF_Field_Select',
'EVF_Field_Radio',
'EVF_Field_Checkbox',
'EVF_Field_Number',
'EVF_Field_Email',
'EVF_Field_URL',
'EVF_Field_Date_Time',
)
);
// Get sort order.
$order_end = 999;
// Load form fields.
foreach ( $load_fields as $field ) {
$load_field = is_string( $field ) ? new $field() : $field;
if ( isset( $load_field->order ) && is_numeric( $load_field->order ) ) {
// Add in position.
$this->form_fields[ $load_field->group ][ $load_field->order ] = $load_field;
} else {
// Add to end of the array.
$this->form_fields[ $load_field->group ][ $order_end ] = $load_field;
$order_end++;
}
ksort( $this->form_fields[ $load_field->group ] );
}
}
/**
* Get fields.
*
* @return array
*/
public function form_fields() {
$_available_fields = array();
if ( count( $this->form_fields ) > 0 ) {
foreach ( $this->form_fields as $group => $field ) {
$_available_fields[ $group ] = $field;
}
}
return $_available_fields;
}
/**
* Get array of registered field types.
*
* @return array of strings
*/
public function get_form_field_types() {
$_available_fields = array();
if ( count( $this->form_fields ) > 0 ) {
foreach ( array_values( $this->form_fields ) as $form_field ) {
foreach ( $form_field as $field ) {
$_available_fields[] = $field->type;
}
}
}
return $_available_fields;
}
/**
* Get array of registered "Pro" field types.
*
* @return array of strings
*/
public function get_pro_form_field_types() {
$_available_fields = array();
if ( count( $this->form_fields ) > 0 ) {
foreach ( array_values( $this->form_fields ) as $form_field ) {
foreach ( $form_field as $field ) {
if ( $field->is_pro ) {
$_available_fields[] = $field->type;
}
}
}
}
return $_available_fields;
}
}
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