<?php

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if ( ! defined( 'ABSPATH' ) ) {

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exit;

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}

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// phpcs:disable Generic.Commenting.DocComment.MissingShort

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/** @noinspection PhpIllegalPsrClassPathInspection */

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/** @noinspection AutoloadingIssuesInspection */

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// phpcs:enable Generic.Commenting.DocComment.MissingShort

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/**

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* Dropdown field.

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*

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* @since 1.0.0

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*/

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class WPForms_Field_Select extends WPForms_Field {

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/**

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* The 'Choices JS' version.

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*

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* @since 1.6.3

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*/

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public const CHOICES_VERSION = '10.2.0';

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/**

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* Classic (old) style.

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*

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* @since 1.6.1

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*

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* @var string

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*/

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public const STYLE_CLASSIC = 'classic';

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/**

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* Modern style.

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*

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* @since 1.6.1

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*

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* @var string

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*/

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public const STYLE_MODERN = 'modern';

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/**

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* Primary class constructor.

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*

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* @since 1.0.0

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*/

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public function init() { // phpcs:ignore WPForms.PHP.HooksMethod.InvalidPlaceForAddingHooks

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// Define field type information.

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$this->name = esc_html__( 'Dropdown', 'wpforms-lite' );

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$this->keywords = esc_html__( 'choice', 'wpforms-lite' );

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$this->type = 'select';

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$this->icon = 'fa-caret-square-o-down';

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$this->order = 70;

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$this->defaults = [

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1 => [

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'label' => esc_html__( 'First Choice', 'wpforms-lite' ),

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'value' => '',

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'default' => '',

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],

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2 => [

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'label' => esc_html__( 'Second Choice', 'wpforms-lite' ),

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'value' => '',

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'default' => '',

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],

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3 => [

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'label' => esc_html__( 'Third Choice', 'wpforms-lite' ),

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'value' => '',

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'default' => '',

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],

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];

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$this->default_settings = [

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'choices' => $this->defaults,

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];

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// Define additional field properties.

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add_filter( 'wpforms_field_properties_' . $this->type, [ $this, 'field_properties' ], 5, 3 );

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// Form frontend CSS enqueues.

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add_action( 'wpforms_frontend_css', [ $this, 'enqueue_frontend_css' ] );

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// Form frontend JS enqueues.

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add_action( 'wpforms_frontend_js', [ $this, 'enqueue_frontend_js' ] );

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add_action( 'enqueue_block_editor_assets', [ $this, 'enqueue_block_editor_assets' ] );

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}

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/**

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* Define additional field properties.

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*

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* @since 1.5.0

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*

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* @param array $properties Field properties.

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* @param array $field Field settings.

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* @param array $form_data Form data and settings.

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*

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* @return array

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*/

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public function field_properties( $properties, $field, $form_data ) {

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// Remove primary input.

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unset( $properties['inputs']['primary'] );

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// Define data.

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$form_id = absint( $form_data['id'] );

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$field_id = wpforms_validate_field_id( $field['id'] );

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$choices = $field['choices'];

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$dynamic = wpforms_get_field_dynamic_choices( $field, $form_id, $form_data );

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if ( $dynamic !== false ) {

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$choices = $dynamic;

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$field['show_values'] = true;

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}

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// Set options container (<select>) properties.

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$properties['input_container'] = [

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'class' => [],

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'data' => [],

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'id' => "wpforms-{$form_id}-field_{$field_id}",

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'attr' => [

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'name' => "wpforms[fields][{$field_id}]",

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],

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];

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// Set properties.

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foreach ( $choices as $key => $choice ) {

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// Used for dynamic choices.

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$depth = isset( $choice['depth'] ) ? absint( $choice['depth'] ) : 1;

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$properties['inputs'][ $key ] = [

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'container' => [

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'attr' => [],

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'class' => [ "choice-{$key}", "depth-{$depth}" ],

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'data' => [],

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'id' => '',

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],

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'label' => [

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'attr' => [

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'for' => "wpforms-{$form_id}-field_{$field_id}_{$key}",

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],

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'class' => [ 'wpforms-field-label-inline' ],

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'data' => [],

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'id' => '',

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'text' => $choice['label'],

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],

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'attr' => [

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'name' => "wpforms[fields][{$field_id}]",

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'value' => isset( $field['show_values'] ) ? $choice['value'] : $choice['label'],

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],

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'class' => [],

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'data' => [],

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'id' => "wpforms-{$form_id}-field_{$field_id}_{$key}",

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'required' => ! empty( $field['required'] ) ? 'required' : '',

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'default' => isset( $choice['default'] ),

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];

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}

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// Add a class that changes the field size.

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if ( ! empty( $field['size'] ) ) {

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$properties['input_container']['class'][] = 'wpforms-field-' . esc_attr( $field['size'] );

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}

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// Required class for pagebreak validation.

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if ( ! empty( $field['required'] ) ) {

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$properties['input_container']['class'][] = 'wpforms-field-required';

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}

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// Add additional class for container.

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if (

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! empty( $field['style'] ) &&

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in_array( $field['style'], [ self::STYLE_CLASSIC, self::STYLE_MODERN ], true )

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) {

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$properties['container']['class'][] = "wpforms-field-select-style-{$field['style']}";

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}

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return $properties;

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}

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/**

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* Field options panel inside the builder.

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*

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* @since 1.0.0

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*

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* @param array $field Field settings.

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*

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* @noinspection HtmlUnknownTarget*/

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public function field_options( $field ) {

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/*

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* Basic field options.

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*/

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// Options open markup.

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$this->field_option(

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'basic-options',

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$field,

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[

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'markup' => 'open',

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]

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);

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// Label.

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$this->field_option( 'label', $field );

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// Choices.

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$this->field_option( 'choices', $field );

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// AI Feature.

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$this->field_option(

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'ai_modal_button',

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$field,

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[

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'value' => esc_html__( 'Generate Choices', 'wpforms-lite' ),

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'type' => 'choices',

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]

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);

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// Description.

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$this->field_option( 'description', $field );

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// Required toggle.

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$this->field_option( 'required', $field );

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// Options close markup.

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$this->field_option(

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'basic-options',

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$field,

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[

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'markup' => 'close',

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]

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);

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/*

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* Advanced field options.

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*/

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// Options open markup.

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$this->field_option(

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'advanced-options',

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$field,

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[

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'markup' => 'open',

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]

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);

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// Show Values toggle option. This option will only show if already used

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// or if manually enabled by a filter.

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if ( ! empty( $field['show_values'] ) || wpforms_show_fields_options_setting() ) {

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$show_values = $this->field_element(

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'toggle',

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$field,

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[

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'slug' => 'show_values',

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'value' => $field['show_values'] ?? '0',

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'desc' => esc_html__( 'Show Values', 'wpforms-lite' ),

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'tooltip' => esc_html__( 'Check this option to manually set form field values.', 'wpforms-lite' ),

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],

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false

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);

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$this->field_element(

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'row',

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$field,

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[

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'slug' => 'show_values',

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'content' => $show_values,

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]

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);

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}

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// Multiple options selection.

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$fld = $this->field_element(

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'toggle',

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$field,

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[

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'slug' => 'multiple',

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'value' => ! empty( $field['multiple'] ),

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'desc' => esc_html__( 'Multiple Options Selection', 'wpforms-lite' ),

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'tooltip' => esc_html__( 'Allow users to select multiple choices in this field.', 'wpforms-lite' ) . '<br>' .

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sprintf(

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wp_kses( /* translators: %s - URL to WPForms.com doc article. */

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esc_html__( 'For details, including how this looks and works for your site\'s visitors, please check out <a href="%s" target="_blank" rel="noopener noreferrer">our doc</a>.', 'wpforms-lite' ),

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[

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'a' => [

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'href' => [],

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'target' => [],

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'rel' => [],

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],

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]

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),

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esc_url( wpforms_utm_link( 'https://wpforms.com/docs/how-to-allow-multiple-selections-to-a-dropdown-field-in-wpforms/', 'Field Options', 'Multiple Options Selection Documentation' ) )

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),

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],

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false

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);

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$this->field_element(

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'row',

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$field,

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[

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'slug' => 'multiple',

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'content' => $fld,

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]

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);

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// Style.

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$lbl = $this->field_element(

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'label',

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$field,

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[

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'slug' => 'style',

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'value' => esc_html__( 'Style', 'wpforms-lite' ),

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'tooltip' => esc_html__( 'Classic style is the default one generated by your browser. Modern has a fresh look and displays all selected options in a single row.', 'wpforms-lite' ),

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],

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false

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);

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$fld = $this->field_element(

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'select',

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$field,

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[

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'slug' => 'style',

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'value' => ! empty( $field['style'] ) ? $field['style'] : self::STYLE_CLASSIC,

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'options' => [

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self::STYLE_CLASSIC => esc_html__( 'Classic', 'wpforms-lite' ),

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self::STYLE_MODERN => esc_html__( 'Modern', 'wpforms-lite' ),

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],

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],

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false

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);

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$this->field_element(

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'row',

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$field,

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[

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'slug' => 'style',

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'content' => $lbl . $fld,

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]

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);

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// Size.

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$this->field_option( 'size', $field );

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// Placeholder.

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$this->field_option( 'placeholder', $field );

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// Dynamic choice auto-populating toggle.

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$this->field_option( 'dynamic_choices', $field );

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// Dynamic choice source.

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$this->field_option( 'dynamic_choices_source', $field );

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// Custom CSS classes.

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$this->field_option( 'css', $field );

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// Hide label.

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$this->field_option( 'label_hide', $field );

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// Options close markup.

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$this->field_option(

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'advanced-options',

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$field,

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[

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'markup' => 'close',

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]

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);

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}

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/**

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* Field preview inside the builder.

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*

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* @since 1.0.0

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* @since 1.6.1 Added a `Modern` style select support.

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*

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* @param array $field Field settings.

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*/

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public function field_preview( $field ) {

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$args = [];

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// Label.

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$this->field_preview_option( 'label', $field );

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// Prepare arguments.

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$args['modern'] = false;

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if (

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! empty( $field['style'] ) &&

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$field['style'] === self::STYLE_MODERN

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) {

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$args['modern'] = true;

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$args['class'] = 'choicesjs-select';

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}

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// Choices.

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$this->field_preview_option( 'choices', $field, $args );

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// Description.

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$this->field_preview_option( 'description', $field );

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}

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/**

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* Field display on the form front-end and admin entry edit page.

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*

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* @since 1.0.0

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* @since 1.5.0 Converted to a new format, where all the data are taken not from $deprecated, but field properties.

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* @since 1.6.1 Added multiple select support.

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*

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* @param array $field Field data and settings.

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* @param array $deprecated Deprecated array of field attributes.

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* @param array $form_data Form data and settings.

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*

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* @noinspection HtmlUnknownAttribute

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*/

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public function field_display( $field, $deprecated, $form_data ) { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh

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$container = $field['properties']['input_container'];

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$field_placeholder = ! empty( $field['placeholder'] ) ? $field['placeholder'] : '';

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$is_multiple = ! empty( $field['multiple'] );

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$is_modern = ! empty( $field['style'] ) && $field['style'] === self::STYLE_MODERN;

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$choices = $field['properties']['inputs'];

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// Do not display the field with empty choices on the frontend.

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if ( ! $choices && ! is_admin() ) {

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return;

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}

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// Display a warning message on the Entry Edit page.

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if ( ! $choices && is_admin() ) {

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$this->display_empty_dynamic_choices_message( $field );

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return;

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}

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if ( ! empty( $field['properties']['input_container']['class'] ) && in_array( 'wpforms-field-required', $field['properties']['input_container']['class'], true ) ) {

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$container['attr']['required'] = 'required';

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}

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// If it's multiple select.

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if ( $is_multiple ) {

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$container['attr']['multiple'] = 'multiple';

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// Change a name attribute.

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if ( ! empty( $container['attr']['name'] ) ) {

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$container['attr']['name'] .= '[]';

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}

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}

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// Add a class for Choices.js initialization.

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if ( $is_modern ) {

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$container['class'][] = 'choicesjs-select';

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// Add a size-class to the data attribute - it is used when Choices.js is initialized.

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if ( ! empty( $field['size'] ) ) {

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$container['data']['size-class'] = 'wpforms-field-row wpforms-field-' . sanitize_html_class( $field['size'] );

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}

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$container['data']['search-enabled'] = $this->is_choicesjs_search_enabled( count( $choices ) );

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}

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$has_default = false;

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// Check to see if any of the options were selected by default.

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foreach ( $choices as $choice ) {

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if ( ! empty( $choice['default'] ) ) {

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$has_default = true;

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break;

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}

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}

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// Preselect default if no other choices were marked as default.

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printf(

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'<select %s>',

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wpforms_html_attributes( $container['id'], $container['class'], $container['data'], $container['attr'] )

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);

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// Optional placeholder.

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if ( ! empty( $field_placeholder ) || $is_modern ) {

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printf(

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'<option value="" class="placeholder" disabled %s>%s</option>',

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selected( false, $has_default || $is_multiple, false ),

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esc_html( $field_placeholder )

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);

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}

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[488] Fix | Delete

// Build the select options.

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foreach ( $choices as $key => $choice ) {

[490] Fix | Delete

$label = $this->get_choices_label( $choice['label']['text'] ?? '', $key, $field );

[491] Fix | Delete

$value = isset( $choice['attr']['value'] ) && ! wpforms_is_empty_string( $choice['attr']['value'] ) ? $choice['attr']['value'] : $label;

[492] Fix | Delete

$data = $choice['container']['data'] ?? [];

[493] Fix | Delete

$data_html = '';

[494] Fix | Delete

[495] Fix | Delete

if ( ! empty( $data ) ) {

[496] Fix | Delete

$data_html = wpforms_html_attributes( '', '', $data );

[497] Fix | Delete

}

[498] Fix | Delete

[499] Fix | Delete