* @copyright Copyright (c) 2017, Rahul Aryan * @license http://opensource.org/licenses/gpl-3.0.php GNU Public License */ namespace AnsPress\Form\Field; use AnsPress\Form as Form; use AnsPress\Form\Field as Field; // Exit if accessed directly. if ( ! defined( 'ABSPATH' ) ) { exit; } /** * Repeatable field. * * @since 4.1.0 */ class Repeatable extends Field { /** * Field type. * * @var string */ public $type = 'repeatable'; /** * Total repeatable groups. * * @var integer */ public $total_items = 0; /** * Base fields used for repeatable groups. * * @var array */ public $main_fields = []; /** * Prepare field. * * @return void */ protected function prepare() { $this->args = wp_parse_args( $this->args, array( 'label' => __( 'AnsPress Repeatable Field', 'anspress-question-answer' ), ) ); $this->main_fields = $this->args['fields']; unset( $this->args['fields'] ); $value_count = ! empty( $this->value() ) ? count( $this->value() ) : $this->get_groups_count() + 1; $this->total_items = $value_count > 0 ? $value_count : 1; $new_fields = []; $i = 0; while ( $this->total_items > $i ) { $i++; $this->args['fields'][ $i ] = array( 'label' => $this->get( 'label' ) . ' #' . number_format_i18n( $i ), 'fields' => $this->main_fields, 'type' => 'group', 'delete_button' => true, ); } $this->child = new Form( $this->form_name, $this->args ); $this->child->prepare(); // Call parent prepare(). parent::prepare(); // Make sure all text field are sanitized. $this->sanitize_cb = array_merge( [ 'array_remove_empty' ], $this->sanitize_cb ); } /** * Get POST (unsafe) value of a field. * * @return null|mixed */ public function unsafe_value() { $request_value = $this->get( ap_to_dot_notation( $this->field_name ), null, $_REQUEST ); if ( $request_value ) { $value = array_filter( wp_unslash( $request_value ) ); foreach ( $value as $k => $val ) { if ( empty( array_filter( $val ) ) ) { unset( $value[ $k ] ); } } return $value; } } /** * Return last repeatable group. * * @return null|object Returns @see `AP_Field` object. */ public function get_last_field() { if ( ! empty( $this->child ) && ! empty( $this->child->fields ) ) { return $this->child->fields[ $this->total_items ]; } } /** * Html order for a field. * * @return void */ protected function html_order() { $this->output_order = [ 'wrapper_start', 'label', 'field_wrap_start', 'desc', 'errors', 'field_markup', 'field_wrap_end', 'wrapper_end' ]; } /** * Get group count when requesting group from ajax. * * @return null|object Returns @see `AP_Field` object. */ public function get_groups_count() { $current_groups = $this->get( sanitize_title( $this->field_name ) . '-g', null, $_REQUEST ); $nonce = $this->get( sanitize_title( $this->field_name ) . '-n', null, $_REQUEST ); if ( wp_verify_nonce( $nonce, $this->field_name . $current_groups ) ) { return $current_groups; } } /** * Field markup. * * @return void */ public function field_markup() { parent::field_markup(); $this->add_html( '

' ); $this->add_html( $this->child->generate_fields() ); $add_button_args = wp_json_encode( array( 'action' => 'ap_repeatable_field', 'form_name' => $this->form_name, 'field_name' => $this->field_name, 'field_id' => sanitize_title( $this->field_name ), '__nonce' => wp_create_nonce( 'repeatable-field' ), ) ); $this->add_html( '' . sprintf( __( 'Add More %s', 'anspress-question-answer' ), $this->get( 'label' ) ) . '' ); $this->add_html( '' ); $this->add_html( '' ); $this->add_html( '

' ); /** This action is documented in lib/form/class-input.php */ do_action_ref_array( 'ap_after_field_markup', [ &$this ] ); } }