781 lines
22 KiB
PHP
781 lines
22 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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* Checkbox field.
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*
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* @since 1.0.0
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*/
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class WPForms_Field_Checkbox extends WPForms_Field {
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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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$this->name = esc_html__( 'Checkboxes', 'wpforms-lite' );
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$this->keywords = esc_html__( 'choice', 'wpforms-lite' );
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$this->type = 'checkbox';
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$this->icon = 'fa-check-square-o';
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$this->order = 110;
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$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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'image' => '',
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'icon' => '',
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'icon_style' => '',
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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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'image' => '',
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'icon' => '',
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'icon_style' => '',
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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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'image' => '',
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'icon' => '',
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'icon_style' => '',
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'default' => '',
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],
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];
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$this->hooks();
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}
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/**
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* Hooks.
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*
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* @since 1.8.1
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*/
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private function hooks() {
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// Customize HTML field values.
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add_filter( 'wpforms_html_field_value', [ $this, 'field_html_value' ], 10, 4 );
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// Define additional field properties.
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add_filter( 'wpforms_field_properties_checkbox', [ $this, 'field_properties' ], 5, 3 );
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// This field requires fieldset+legend instead of the field label.
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add_filter( "wpforms_frontend_modern_is_field_requires_fieldset_{$this->type}", '__return_true', PHP_INT_MAX, 2 );
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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 1.4.5
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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, $form_data ) {
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// Define data.
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$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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// Remove primary input.
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unset( $properties['inputs']['primary'] );
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// Set input container (ul) properties.
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$properties['input_container'] = [
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'class' => [ ! empty( $field['random'] ) ? 'wpforms-randomize' : '' ],
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'data' => [],
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'attr' => [],
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'id' => "wpforms-{$form_id}-field_{$field_id}",
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];
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$field['choice_limit'] = empty( $field['choice_limit'] ) ? 0 : (int) $field['choice_limit'];
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if ( $field['choice_limit'] > 0 ) {
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$properties['input_container']['data']['choice-limit'] = $field['choice_limit'];
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}
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// Set input 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( $choice['depth'] ) : 1;
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$label = isset( $choice['label'] ) ? $choice['label'] : '';
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// Choice labels should not be left blank, but if they are we
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// provide a basic value.
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$value = isset( $field['show_values'] ) ? $choice['value'] : $label;
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if ( '' === $value ) {
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if ( 1 === count( $choices ) ) {
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$value = esc_html__( 'Checked', 'wpforms-lite' );
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} else {
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/* translators: %s - choice number. */
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$value = sprintf( esc_html__( 'Choice %s', 'wpforms-lite' ), $key );
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}
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}
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$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' => $label,
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],
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'attr' => [
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'name' => "wpforms[fields][{$field_id}][]",
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'value' => $value,
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],
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'class' => [],
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'data' => [],
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'id' => "wpforms-{$form_id}-field_{$field_id}_{$key}",
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'icon' => isset( $choice['icon'] ) ? $choice['icon'] : '',
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'icon_style' => isset( $choice['icon_style'] ) ? $choice['icon_style'] : '',
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'image' => isset( $choice['image'] ) ? $choice['image'] : '',
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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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// Rule for validator only if needed.
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if ( $field['choice_limit'] > 0 ) {
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$properties['inputs'][ $key ]['data']['rule-check-limit'] = 'true';
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}
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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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// Custom properties if image choices is enabled.
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if ( ! $dynamic && ! empty( $field['choices_images'] ) ) {
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$properties['input_container']['class'][] = 'wpforms-image-choices';
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$properties['input_container']['class'][] = 'wpforms-image-choices-' . sanitize_html_class( $field['choices_images_style'] );
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foreach ( $properties['inputs'] as $key => $inputs ) {
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$properties['inputs'][ $key ]['container']['class'][] = 'wpforms-image-choices-item';
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if ( in_array( $field['choices_images_style'], [ 'modern', 'classic' ], true ) ) {
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$properties['inputs'][ $key ]['class'][] = 'wpforms-screen-reader-element';
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}
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}
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} elseif ( ! $dynamic && ! empty( $field['choices_icons'] ) ) {
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$properties = wpforms()->get( 'icon_choices' )->field_properties( $properties, $field );
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}
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// Custom properties for disclaimer format display.
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if ( ! empty( $field['disclaimer_format'] ) ) {
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$properties['description']['class'][] = 'wpforms-disclaimer-description';
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$properties['description']['value'] = nl2br( $properties['description']['value'] );
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}
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// Add selected class for choices with defaults.
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foreach ( $properties['inputs'] as $key => $inputs ) {
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if ( ! empty( $inputs['default'] ) ) {
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$properties['inputs'][ $key ]['container']['class'][] = 'wpforms-selected';
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}
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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', $field );
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// Choices Images.
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$this->field_option( 'choices_images', $field );
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// Choices Images Style (theme).
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$this->field_option( 'choices_images_style', $field );
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// Choices Icons.
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$this->field_option( 'choices_icons', $field );
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// Choices Icons Color.
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$this->field_option( 'choices_icons_color', $field );
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// Choices Icons Size.
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$this->field_option( 'choices_icons_size', $field );
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// Choices Icons Style.
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$this->field_option( 'choices_icons_style', $field );
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// Description.
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$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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$field,
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[
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'markup' => 'open',
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]
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);
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// Randomize order of choices.
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$this->field_element(
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'row',
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$field,
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[
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'slug' => 'random',
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'content' => $this->field_element(
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'toggle',
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$field,
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[
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'slug' => 'random',
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'value' => isset( $field['random'] ) ? '1' : '0',
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'desc' => esc_html__( 'Randomize Choices', 'wpforms-lite' ),
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'tooltip' => esc_html__( 'Check this option to randomize the order of the choices.', 'wpforms-lite' ),
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],
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false
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),
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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( $field['show_values'] ) || wpforms_show_fields_options_setting() ) {
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$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' => $this->field_element(
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'toggle',
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$field,
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[
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'slug' => 'show_values',
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'value' => isset( $field['show_values'] ) ? $field['show_values'] : '0',
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'desc' => esc_html__( 'Show Values', 'wpforms-lite' ),
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'tooltip' => esc_html__( 'Check this option to manually set form field values.', 'wpforms-lite' ),
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],
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false
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),
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]
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);
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}
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// Display format.
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$this->field_option( 'input_columns', $field );
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// Choice Limit.
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$field['choice_limit'] = empty( $field['choice_limit'] ) ? 0 : (int) $field['choice_limit'];
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$this->field_element(
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'row',
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$field,
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[
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'slug' => 'choice_limit',
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'content' =>
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$this->field_element(
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'label',
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$field,
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[
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'slug' => 'choice_limit',
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'value' => esc_html__( 'Choice Limit', 'wpforms-lite' ),
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'tooltip' => esc_html__( 'Limit the number of checkboxes a user can select. Leave empty for unlimited.', 'wpforms-lite' ),
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],
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false
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) . $this->field_element(
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'text',
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$field,
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[
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'slug' => 'choice_limit',
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'value' => $field['choice_limit'] > 0 ? $field['choice_limit'] : '',
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'type' => 'number',
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],
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false
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),
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]
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);
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// Dynamic choice auto-populating toggle.
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$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', $field );
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// Enable Disclaimer formatting.
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$this->field_element(
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'row',
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$field,
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[
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'slug' => 'disclaimer_format',
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'content' => $this->field_element(
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'toggle',
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$field,
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[
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'slug' => 'disclaimer_format',
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'value' => isset( $field['disclaimer_format'] ) ? '1' : '0',
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'desc' => esc_html__( 'Enable Disclaimer / Terms of Service Display', 'wpforms-lite' ),
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'tooltip' => esc_html__( 'Check this option to adjust the field styling to support Disclaimers and Terms of Service type agreements.', 'wpforms-lite' ),
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],
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false
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),
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]
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);
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// Options close markup.
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$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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*
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* @param array $field Field settings.
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*/
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public function field_preview( $field ) {
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// Label.
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$this->field_preview_option( 'label', $field );
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// Choices.
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$this->field_preview_option( 'choices', $field );
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// Description.
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$this->field_preview_option(
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'description',
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$field,
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[
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'class' => ! empty( $field['disclaimer_format'] ) ? 'disclaimer nl2br' : false,
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]
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);
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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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*
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* @param array $field Field settings.
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* @param array $deprecated Deprecated array.
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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, $form_data ) {
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$using_image_choices = empty( $field['dynamic_choices'] ) && ! empty( $field['choices_images'] );
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$using_icon_choices = empty( $field['dynamic_choices'] ) && empty( $field['choices_images'] ) && ! empty( $field['choices_icons'] );
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// Define data.
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$container = $field['properties']['input_container'];
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$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( $field );
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return;
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}
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$amp_state_id = '';
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if ( wpforms_is_amp() && ( $using_image_choices || $using_icon_choices ) ) {
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$amp_state_id = str_replace( '-', '_', sanitize_key( $container['id'] ) ) . '_state';
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$state = [];
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foreach ( $choices as $key => $choice ) {
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$state[ $choice['id'] ] = ! empty( $choice['default'] );
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}
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printf(
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'<amp-state id="%s"><script type="application/json">%s</script></amp-state>',
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esc_attr( $amp_state_id ),
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wp_json_encode( $state )
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);
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}
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printf(
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'<ul %s>',
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wpforms_html_attributes( $container['id'], $container['class'], $container['data'], $container['attr'] )
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);
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foreach ( $choices as $key => $choice ) {
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if ( wpforms_is_amp() && ( $using_image_choices || $using_icon_choices ) ) {
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$choice['container']['attr']['[class]'] = sprintf(
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'%s + ( %s[%s] ? " wpforms-selected" : "")',
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wp_json_encode( implode( ' ', $choice['container']['class'] ) ),
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$amp_state_id,
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wp_json_encode( $choice['id'] )
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);
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}
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// If the field is required, has the label hidden, and has
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// disclaimer mode enabled, so the required status in choice
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// label.
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$required = '';
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if ( ! empty( $field['disclaimer_format'] ) && ! empty( $choice['required'] ) && ! empty( $field['label_hide'] ) ) {
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$required = wpforms_get_field_required_label();
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}
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printf(
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'<li %s>',
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wpforms_html_attributes( $choice['container']['id'], $choice['container']['class'], $choice['container']['data'], $choice['container']['attr'] )
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);
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// The required constraint in HTML5 form validation does not work with checkbox groups, so omit in AMP.
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$required_attr = wpforms_is_amp() && count( $choices ) > 1 ? '' : $choice['required'];
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if ( $using_image_choices ) {
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// Make sure the image choices are keyboard-accessible.
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$choice['label']['attr']['tabindex'] = 0;
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if ( wpforms_is_amp() ) {
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$choice['label']['attr']['on'] = sprintf(
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'tap:AMP.setState({ %s: { %s: ! %s[%s] } })',
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wp_json_encode( $amp_state_id ),
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wp_json_encode( $choice['id'] ),
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$amp_state_id,
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wp_json_encode( $choice['id'] )
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);
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$choice['label']['attr']['role'] = 'button';
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}
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// Image choices.
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printf(
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'<label %s>',
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wpforms_html_attributes( $choice['label']['id'], $choice['label']['class'], $choice['label']['data'], $choice['label']['attr'] )
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);
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echo '<span class="wpforms-image-choices-image">';
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if ( ! empty( $choice['image'] ) ) {
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printf(
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'<img src="%s" alt="%s"%s>',
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esc_url( $choice['image'] ),
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esc_attr( $choice['label']['text'] ),
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! empty( $choice['label']['text'] ) ? ' title="' . esc_attr( $choice['label']['text'] ) . '"' : ''
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);
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}
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echo '</span>';
|
|
|
|
if ( $field['choices_images_style'] === 'none' ) {
|
|
echo '<br>';
|
|
}
|
|
|
|
$choice['attr']['tabindex'] = '-1';
|
|
|
|
if ( wpforms_is_amp() ) {
|
|
$choice['attr']['[checked]'] = sprintf(
|
|
'%s[%s]',
|
|
$amp_state_id,
|
|
wp_json_encode( $choice['id'] )
|
|
);
|
|
}
|
|
|
|
printf(
|
|
'<input type="checkbox" %s %s %s>',
|
|
wpforms_html_attributes( $choice['id'], $choice['class'], $choice['data'], $choice['attr'] ),
|
|
esc_attr( $required_attr ),
|
|
checked( '1', $choice['default'], false )
|
|
);
|
|
|
|
echo '<span class="wpforms-image-choices-label">' . wp_kses_post( $choice['label']['text'] ) . '</span>';
|
|
|
|
echo '</label>';
|
|
|
|
} elseif ( $using_icon_choices ) {
|
|
|
|
if ( wpforms_is_amp() ) {
|
|
$choice['label']['attr']['on'] = sprintf(
|
|
'tap:AMP.setState({ %s: { %s: ! %s[%s] } })',
|
|
wp_json_encode( $amp_state_id ),
|
|
wp_json_encode( $choice['id'] ),
|
|
$amp_state_id,
|
|
wp_json_encode( $choice['id'] )
|
|
);
|
|
$choice['label']['attr']['role'] = 'button';
|
|
}
|
|
|
|
// Icon Choices.
|
|
wpforms()->get( 'icon_choices' )->field_display( $field, $choice, 'checkbox' );
|
|
|
|
} else {
|
|
|
|
// Normal display.
|
|
printf(
|
|
'<input type="checkbox" %s %s %s>',
|
|
wpforms_html_attributes( $choice['id'], $choice['class'], $choice['data'], $choice['attr'] ),
|
|
esc_attr( $required_attr ),
|
|
checked( '1', $choice['default'], false )
|
|
);
|
|
|
|
printf(
|
|
'<label %s>%s%s</label>',
|
|
wpforms_html_attributes( $choice['label']['id'], $choice['label']['class'], $choice['label']['data'], $choice['label']['attr'] ),
|
|
wp_kses_post( $choice['label']['text'] ),
|
|
wp_kses(
|
|
$required,
|
|
[
|
|
'span' => [
|
|
'class' => true,
|
|
],
|
|
]
|
|
)
|
|
);
|
|
}
|
|
|
|
echo '</li>';
|
|
}
|
|
|
|
echo '</ul>';
|
|
}
|
|
|
|
/**
|
|
* Validate field on form submit.
|
|
*
|
|
* @since 1.5.2
|
|
*
|
|
* @param int $field_id Field ID.
|
|
* @param array $field_submit Submitted field value (selected option).
|
|
* @param array $form_data Form data.
|
|
*/
|
|
public function validate( $field_id, $field_submit, $form_data ) {
|
|
|
|
$field = $form_data['fields'][ $field_id ];
|
|
|
|
// Skip validation if field is dynamic and choices are empty.
|
|
if ( $this->is_dynamic_choices_empty( $field, $form_data ) ) {
|
|
return;
|
|
}
|
|
|
|
$field_submit = (array) $field_submit;
|
|
$choice_limit = empty( $form_data['fields'][ $field_id ]['choice_limit'] ) ? 0 : (int) $form_data['fields'][ $field_id ]['choice_limit'];
|
|
$count_choices = count( $field_submit );
|
|
|
|
if ( $choice_limit > 0 && $count_choices > $choice_limit ) {
|
|
// Generating the error.
|
|
$error = wpforms_setting( 'validation-check-limit', esc_html__( 'You have exceeded the number of allowed selections: {#}.', 'wpforms-lite' ) );
|
|
$error = str_replace( '{#}', $choice_limit, $error );
|
|
}
|
|
|
|
// Basic required check - If field is marked as required, check for entry data.
|
|
if (
|
|
! empty( $form_data['fields'][ $field_id ]['required'] ) &&
|
|
(
|
|
empty( $field_submit ) ||
|
|
(
|
|
count( $field_submit ) === 1 &&
|
|
( ! isset( $field_submit[0] ) || (string) $field_submit[0] === '' )
|
|
)
|
|
)
|
|
) {
|
|
$error = wpforms_get_required_label();
|
|
}
|
|
|
|
if ( ! empty( $error ) ) {
|
|
wpforms()->process->errors[ $form_data['id'] ][ $field_id ] = $error;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Format and sanitize field.
|
|
*
|
|
* @since 1.0.2
|
|
*
|
|
* @param int $field_id Field ID.
|
|
* @param array $field_submit Submitted form data.
|
|
* @param array $form_data Form data and settings.
|
|
*/
|
|
public function format( $field_id, $field_submit, $form_data ) {
|
|
|
|
$field_submit = (array) $field_submit;
|
|
$field = $form_data['fields'][ $field_id ];
|
|
$dynamic = ! empty( $field['dynamic_choices'] ) ? $field['dynamic_choices'] : false;
|
|
$name = sanitize_text_field( $field['label'] );
|
|
$value_raw = wpforms_sanitize_array_combine( $field_submit );
|
|
|
|
$data = [
|
|
'name' => $name,
|
|
'value' => '',
|
|
'value_raw' => $value_raw,
|
|
'id' => absint( $field_id ),
|
|
'type' => $this->type,
|
|
];
|
|
|
|
if ( 'post_type' === $dynamic && ! empty( $field['dynamic_post_type'] ) ) {
|
|
|
|
// Dynamic population is enabled using post type.
|
|
$value_raw = implode( ',', array_map( 'absint', $field_submit ) );
|
|
$data['value_raw'] = $value_raw;
|
|
$data['dynamic'] = 'post_type';
|
|
$data['dynamic_items'] = $value_raw;
|
|
$data['dynamic_post_type'] = $field['dynamic_post_type'];
|
|
$posts = [];
|
|
|
|
foreach ( $field_submit as $id ) {
|
|
$post = get_post( $id );
|
|
|
|
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.
|
|
$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.
|
|
$choice_keys = [];
|
|
|
|
// If show_values is true, that means values posted are the raw values
|
|
// and not the labels. So we need to set label values. Also store
|
|
// the choice keys.
|
|
if ( ! empty( $field['show_values'] ) && (int) $field['show_values'] === 1 ) {
|
|
|
|
foreach ( $field_submit as $item ) {
|
|
foreach ( $field['choices'] as $key => $choice ) {
|
|
if ( $item === $choice['value'] || ( empty( $choice['value'] ) && (int) str_replace( 'Choice ', '', $item ) === $key ) ) {
|
|
$value[] = $choice['label'];
|
|
$choice_keys[] = $key;
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
$data['value'] = ! empty( $value ) ? wpforms_sanitize_array_combine( $value ) : '';
|
|
|
|
} else {
|
|
|
|
$data['value'] = $value_raw;
|
|
|
|
// Determine choices keys, this is needed for image choices.
|
|
foreach ( $field_submit as $item ) {
|
|
foreach ( $field['choices'] as $key => $choice ) {
|
|
/* translators: %s - choice number. */
|
|
if ( $item === $choice['label'] || $item === sprintf( esc_html__( 'Choice %s', 'wpforms-lite' ), $key ) ) {
|
|
$choice_keys[] = $key;
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Images choices are enabled, lookup and store image URLs.
|
|
if ( ! empty( $choice_keys ) && ! empty( $field['choices_images'] ) ) {
|
|
|
|
$data['images'] = [];
|
|
|
|
foreach ( $choice_keys as $key ) {
|
|
$data['images'][] = ! empty( $field['choices'][ $key ]['image'] ) ? esc_url_raw( $field['choices'][ $key ]['image'] ) : '';
|
|
}
|
|
}
|
|
}
|
|
|
|
// Push field details to be saved.
|
|
wpforms()->process->fields[ $field_id ] = $data;
|
|
}
|
|
}
|
|
|
|
new WPForms_Field_Checkbox();
|