752 lines
18 KiB
PHP
752 lines
18 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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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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* Choices JS version.
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*
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* @since 1.6.3
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*/
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const CHOICES_VERSION = '9.0.1';
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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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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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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() {
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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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// 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 = absint( $field['id'] );
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$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 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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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', $field );
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// Description.
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$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' => isset( $field['show_values'] ) ? $field['show_values'] : '0',
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'desc' => esc_html__( 'Show Values', 'wpforms-lite' ),
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'tooltip' => esc_html__( 'Check this option to manually set form field values.', 'wpforms-lite' ),
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],
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false
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);
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$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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self::STYLE_MODERN === $field['style']
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) {
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$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 a 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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public function field_display( $field, $deprecated, $form_data ) {
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$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 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( $field['required'] ) ) {
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$container['attr']['required'] = 'required';
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}
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// If it's a 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 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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// Fake placeholder for Modern style.
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if ( $is_modern && empty( $field_placeholder ) ) {
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$first_choices = reset( $choices );
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$field_placeholder = $first_choices['label']['text'];
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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 ) ) {
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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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// Build the select options.
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foreach ( $choices as $key => $choice ) {
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printf(
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'<option value="%s" %s>%s</option>',
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esc_attr( $choice['attr']['value'] ),
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selected( true, ! empty( $choice['default'] ), false ),
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esc_html( $choice['label']['text'] )
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);
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}
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echo '</select>';
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}
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/**
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* Validate field.
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*
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* @since 1.8.2
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*
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* @param int $field_id Field ID.
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* @param string|array $field_submit Submitted field value (selected option).
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* @param array $form_data Form data and settings.
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*/
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public function validate( $field_id, $field_submit, $form_data ) {
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$field = $form_data['fields'][ $field_id ];
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// Skip validation if field is dynamic and choices are empty.
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if ( $this->is_dynamic_choices_empty( $field, $form_data ) ) {
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return;
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}
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parent::validate( $field_id, $field_submit, $form_data );
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}
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/**
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* Format and sanitize field.
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*
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* @since 1.0.2
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* @since 1.6.1 Added a support for multiple values.
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*
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* @param int $field_id Field ID.
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* @param string|array $field_submit Submitted field value (selected option).
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* @param array $form_data Form data and settings.
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*/
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public function format( $field_id, $field_submit, $form_data ) {
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$field = $form_data['fields'][ $field_id ];
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$dynamic = ! empty( $field['dynamic_choices'] ) ? $field['dynamic_choices'] : false;
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$multiple = ! empty( $field['multiple'] );
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$name = sanitize_text_field( $field['label'] );
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$value = [];
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// Convert submitted field value to array.
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if ( ! is_array( $field_submit ) ) {
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$field_submit = [ $field_submit ];
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}
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$value_raw = wpforms_sanitize_array_combine( $field_submit );
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$data = [
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'name' => $name,
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'value' => '',
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'value_raw' => $value_raw,
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'id' => absint( $field_id ),
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'type' => $this->type,
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];
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if ( 'post_type' === $dynamic && ! empty( $field['dynamic_post_type'] ) ) {
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// Dynamic population is enabled using post type (like for a `Checkboxes` field).
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$value_raw = implode( ',', array_map( 'absint', $field_submit ) );
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$data['value_raw'] = $value_raw;
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$data['dynamic'] = 'post_type';
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$data['dynamic_items'] = $value_raw;
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$data['dynamic_post_type'] = $field['dynamic_post_type'];
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$posts = [];
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foreach ( $field_submit as $id ) {
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$post = get_post( $id );
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|
|
if ( ! is_wp_error( $post ) && ! empty( $post ) && $data['dynamic_post_type'] === $post->post_type ) {
|
|
$posts[] = esc_html( wpforms_get_post_title( $post ) );
|
|
}
|
|
}
|
|
|
|
$data['value'] = ! empty( $posts ) ? wpforms_sanitize_array_combine( $posts ) : '';
|
|
|
|
} elseif ( 'taxonomy' === $dynamic && ! empty( $field['dynamic_taxonomy'] ) ) {
|
|
|
|
// Dynamic population is enabled using taxonomy (like for a `Checkboxes` field).
|
|
$value_raw = implode( ',', array_map( 'absint', $field_submit ) );
|
|
$data['value_raw'] = $value_raw;
|
|
$data['dynamic'] = 'taxonomy';
|
|
$data['dynamic_items'] = $value_raw;
|
|
$data['dynamic_taxonomy'] = $field['dynamic_taxonomy'];
|
|
$terms = [];
|
|
|
|
foreach ( $field_submit as $id ) {
|
|
$term = get_term( $id, $field['dynamic_taxonomy'] );
|
|
|
|
if ( ! is_wp_error( $term ) && ! empty( $term ) ) {
|
|
$terms[] = esc_html( wpforms_get_term_name( $term ) );
|
|
}
|
|
}
|
|
|
|
$data['value'] = ! empty( $terms ) ? wpforms_sanitize_array_combine( $terms ) : '';
|
|
|
|
} else {
|
|
|
|
// Normal processing, dynamic population is off.
|
|
|
|
// If show_values is true, that means values posted are the raw values
|
|
// and not the labels. So we need to get the label values.
|
|
if ( ! empty( $field['show_values'] ) && (int) $field['show_values'] === 1 ) {
|
|
|
|
foreach ( $field_submit as $item ) {
|
|
foreach ( $field['choices'] as $choice ) {
|
|
if ( $item === $choice['value'] ) {
|
|
$value[] = $choice['label'];
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
$data['value'] = ! empty( $value ) ? wpforms_sanitize_array_combine( $value ) : '';
|
|
|
|
} else {
|
|
$data['value'] = $value_raw;
|
|
}
|
|
}
|
|
|
|
// Backward compatibility: for single dropdown save a string, for multiple - array.
|
|
if ( ! $multiple && is_array( $data ) && ( 1 === count( $data ) ) ) {
|
|
$data = reset( $data );
|
|
}
|
|
|
|
// Push field details to be saved.
|
|
wpforms()->process->fields[ $field_id ] = $data;
|
|
}
|
|
|
|
/**
|
|
* Form frontend CSS enqueues.
|
|
*
|
|
* @since 1.6.1
|
|
*
|
|
* @param array $forms Forms on the current page.
|
|
*/
|
|
public function enqueue_frontend_css( $forms ) {
|
|
|
|
$has_modern_select = false;
|
|
|
|
foreach ( $forms as $form ) {
|
|
if ( $this->is_field_style( $form, self::STYLE_MODERN ) ) {
|
|
$has_modern_select = true;
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( $has_modern_select || wpforms()->frontend->assets_global() ) {
|
|
$min = wpforms_get_min_suffix();
|
|
|
|
wp_enqueue_style(
|
|
'wpforms-choicesjs',
|
|
WPFORMS_PLUGIN_URL . "assets/css/choices{$min}.css",
|
|
[],
|
|
self::CHOICES_VERSION
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Form frontend JS enqueues.
|
|
*
|
|
* @since 1.6.1
|
|
*
|
|
* @param array $forms Forms on the current page.
|
|
*/
|
|
public function enqueue_frontend_js( $forms ) {
|
|
|
|
$has_modern_select = false;
|
|
|
|
foreach ( $forms as $form ) {
|
|
if ( $this->is_field_style( $form, self::STYLE_MODERN ) ) {
|
|
$has_modern_select = true;
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( $has_modern_select || wpforms()->frontend->assets_global() ) {
|
|
$this->enqueue_choicesjs_once( $forms );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Load WPForms Gutenberg block scripts.
|
|
*
|
|
* @since 1.8.1
|
|
*/
|
|
public function enqueue_block_editor_assets() {
|
|
|
|
$min = wpforms_get_min_suffix();
|
|
|
|
wp_enqueue_style(
|
|
'wpforms-choicesjs',
|
|
WPFORMS_PLUGIN_URL . "assets/css/choices{$min}.css",
|
|
[],
|
|
self::CHOICES_VERSION
|
|
);
|
|
|
|
$this->enqueue_choicesjs_once( [] );
|
|
}
|
|
|
|
/**
|
|
* Whether the provided form has a dropdown field with a specified style.
|
|
*
|
|
* @since 1.6.1
|
|
*
|
|
* @param array $form Form data.
|
|
* @param string $style Desired field style.
|
|
*
|
|
* @return bool
|
|
*/
|
|
protected function is_field_style( $form, $style ) {
|
|
|
|
$is_field_style = false;
|
|
|
|
if ( empty( $form['fields'] ) ) {
|
|
|
|
return $is_field_style;
|
|
}
|
|
|
|
foreach ( (array) $form['fields'] as $field ) {
|
|
|
|
if (
|
|
! empty( $field['type'] ) &&
|
|
$field['type'] === $this->type &&
|
|
! empty( $field['style'] ) &&
|
|
sanitize_key( $style ) === $field['style']
|
|
) {
|
|
$is_field_style = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return $is_field_style;
|
|
}
|
|
|
|
/**
|
|
* Get field name for ajax error message.
|
|
*
|
|
* @since 1.6.3
|
|
*
|
|
* @param string $name Field name for error triggered.
|
|
* @param array $field Field settings.
|
|
* @param array $props List of properties.
|
|
* @param string $error Error message.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function ajax_error_field_name( $name, $field, $props, $error ) {
|
|
|
|
if ( ! isset( $field['type'] ) || 'select' !== $field['type'] ) {
|
|
return $name;
|
|
}
|
|
if ( ! empty( $field['multiple'] ) ) {
|
|
$input = isset( $props['inputs'] ) ? end( $props['inputs'] ) : [];
|
|
|
|
return isset( $input['attr']['name'] ) ? $input['attr']['name'] . '[]' : '';
|
|
}
|
|
|
|
return $name;
|
|
}
|
|
}
|
|
|
|
new WPForms_Field_Select();
|