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<?php
/**
* Multiple Choice field.
*
* @since 1.0.0
*/
class WPForms_Field_Radio extends WPForms_Field {
/**
* Primary class constructor.
*
* @since 1.0.0
*/
public function init() {
// Define field type information.
$this->name = esc_html__( 'Multiple Choice', 'wpforms-lite' );
$this->type = 'radio';
$this->icon = 'fa-dot-circle-o';
$this->order = 110;
$this->defaults = array(
1 => array(
'label' => esc_html__( 'First Choice', 'wpforms-lite' ),
'value' => '',
'image' => '',
'default' => '',
),
2 => array(
'label' => esc_html__( 'Second Choice', 'wpforms-lite' ),
'value' => '',
'image' => '',
'default' => '',
),
3 => array(
'label' => esc_html__( 'Third Choice', 'wpforms-lite' ),
'value' => '',
'image' => '',
'default' => '',
),
);
// Customize HTML field values.
add_filter( 'wpforms_html_field_value', array( $this, 'field_html_value' ), 10, 4 );
// Define additional field properties.
add_filter( 'wpforms_field_properties_radio', array( $this, 'field_properties' ), 5, 3 );
}
/**
* Return images, if any, for HTML supported values.
*
* @since 1.4.5
*
* @param string $value Field value.
* @param array $field Field settings.
* @param array $form_data Form data and settings.
* @param string $context Value display context.
*
* @return string
*/
public function field_html_value( $value, $field, $form_data = array(), $context = '' ) {
// Only use HTML formatting for radio fields, with image choices
// enabled, and exclude the entry table display. Lastly, provides a
// filter to disable fancy display.
if (
! empty( $field['value'] ) &&
'radio' === $field['type'] &&
! empty( $field['image'] ) &&
'entry-table' !== $context &&
apply_filters( 'wpforms_radio_field_html_value_images', true, $context )
) {
if ( ! empty( $field['image'] ) ) {
return sprintf(
'<span style="max-width:200px;display:block;margin:0 0 5px 0;"><img src="%s" style="max-width:100%%;display:block;margin:0;"></span>%s',
esc_url( $field['image'] ),
$value
);
}
}
return $value;
}
/**
* Define additional field properties.
*
* @since 1.4.5
*
* @param array $properties Field properties.
* @param array $field Field settings.
* @param array $form_data Form data and settings.
*
* @return array
*/
public function field_properties( $properties, $field, $form_data ) {
// Remove primary input.
unset( $properties['inputs']['primary'] );
// Define data.
$form_id = absint( $form_data['id'] );
$field_id = absint( $field['id'] );
$choices = $field['choices'];
$dynamic = wpforms_get_field_dynamic_choices( $field, $form_id, $form_data );
if ( $dynamic ) {
$choices = $dynamic;
$field['show_values'] = true;
}
// Set input container (ul) properties.
$properties['input_container'] = array(
'class' => array( ! empty( $field['random'] ) ? 'wpforms-randomize' : '' ),
'data' => array(),
'attr' => array(),
'id' => "wpforms-{$form_id}-field_{$field_id}",
);
// Set input properties.
foreach ( $choices as $key => $choice ) {
// Used for dynamic choices.
$depth = isset( $choice['depth'] ) ? absint( $choice['depth'] ) : 1;
$value = isset( $field['show_values'] ) ? $choice['value'] : $choice['label'];
/* translators: %s - choice number. */
$value = ( '' === $value ) ? sprintf( esc_html__( 'Choice %s', 'wpforms-lite' ), $key ) : $value;
$properties['inputs'][ $key ] = array(
'container' => array(
'attr' => array(),
'class' => array( "choice-{$key}", "depth-{$depth}" ),
'data' => array(),
'id' => '',
),
'label' => array(
'attr' => array(
'for' => "wpforms-{$form_id}-field_{$field_id}_{$key}",
),
'class' => array( 'wpforms-field-label-inline' ),
'data' => array(),
'id' => '',
'text' => $choice['label'],
),
'attr' => array(
'name' => "wpforms[fields][{$field_id}]",
'value' => $value,
),
'class' => array(),
'data' => array(),
'id' => "wpforms-{$form_id}-field_{$field_id}_{$key}",
'image' => isset( $choice['image'] ) ? $choice['image'] : '',
'required' => ! empty( $field['required'] ) ? 'required' : '',
'default' => isset( $choice['default'] ),
);
}
// Required class for pagebreak validation.
if ( ! empty( $field['required'] ) ) {
$properties['input_container']['class'][] = 'wpforms-field-required';
}
// Custom properties if image choices is enabled.
if ( ! $dynamic && ! empty( $field['choices_images'] ) ) {
$properties['input_container']['class'][] = 'wpforms-image-choices';
$properties['input_container']['class'][] = 'wpforms-image-choices-' . sanitize_html_class( $field['choices_images_style'] );
foreach ( $properties['inputs'] as $key => $inputs ) {
$properties['inputs'][ $key ]['container']['class'][] = 'wpforms-image-choices-item';
if ( in_array( $field['choices_images_style'], array( 'modern', 'classic' ), true ) ) {
$properties['inputs'][ $key ]['class'][] = 'wpforms-screen-reader-element';
}
}
}
// Add selected class for choices with defaults.
foreach ( $properties['inputs'] as $key => $inputs ) {
if ( ! empty( $inputs['default'] ) ) {
$properties['inputs'][ $key ]['container']['class'][] = 'wpforms-selected';
}
}
return $properties;
}
/**
* Field options panel inside the builder.
*
* @since 1.0.0
*
* @param array $field Field settings.
*/
public function field_options( $field ) {
/*
* Basic field options.
*/
// Options open markup.
$this->field_option(
'basic-options',
$field,
array(
'markup' => 'open',
)
);
// Label.
$this->field_option( 'label', $field );
// Choices.
$this->field_option( 'choices', $field );
// Choices Images.
$this->field_option( 'choices_images', $field );
// Description.
$this->field_option( 'description', $field );
// Required toggle.
$this->field_option( 'required', $field );
// Options close markup.
$this->field_option(
'basic-options',
$field,
array(
'markup' => 'close',
)
);
/*
* Advanced field options.
*/
// Options open markup.
$this->field_option(
'advanced-options',
$field,
array(
'markup' => 'open',
)
);
// Randomize order of choices.
$this->field_element(
'row',
$field,
array(
'slug' => 'random',
'content' => $this->field_element(
'toggle',
$field,
array(
'slug' => 'random',
'value' => isset( $field['random'] ) ? '1' : '0',
'desc' => esc_html__( 'Randomize Choices', 'wpforms-lite' ),
'tooltip' => esc_html__( 'Check this option to randomize the order of the choices.', 'wpforms-lite' ),
),
false
),
)
);
// Show Values toggle option. This option will only show if already used
// or if manually enabled by a filter.
if ( ! empty( $field['show_values'] ) || wpforms_show_fields_options_setting() ) {
$this->field_element(
'row',
$field,
array(
'slug' => 'show_values',
'content' => $this->field_element(
'toggle',
$field,
array(
'slug' => 'show_values',
'value' => isset( $field['show_values'] ) ? $field['show_values'] : '0',
'desc' => esc_html__( 'Show Values', 'wpforms-lite' ),
'tooltip' => esc_html__( 'Check this option to manually set form field values.', 'wpforms-lite' ),
),
false
),
)
);
}
// Choices Images Style (theme).
$this->field_option( 'choices_images_style', $field );
// Display format.
$this->field_option( 'input_columns', $field );
// Dynamic choice auto-populating toggle.
$this->field_option( 'dynamic_choices', $field );
// Dynamic choice source.
$this->field_option( 'dynamic_choices_source', $field );
// Custom CSS classes.
$this->field_option( 'css', $field );
// Hide label.
$this->field_option( 'label_hide', $field );
// Options close markup.
$this->field_option(
'advanced-options',
$field,
[
'markup' => 'close',
]
);
}
/**
* Field preview inside the builder.
*
* @since 1.0.0
*
* @param array $field Field settings.
*/
public function field_preview( $field ) {
// Label.
$this->field_preview_option( 'label', $field );
// Choices.
$this->field_preview_option( 'choices', $field );
// Description.
$this->field_preview_option( 'description', $field );
}
/**
* Field display on the form front-end.
*
* @since 1.0.0
*
* @param array $field Field settings.
* @param array $deprecated Deprecated array.
* @param array $form_data Form data and settings.
*/
public function field_display( $field, $deprecated, $form_data ) {
$using_image_choices = empty( $field['dynamic_choices'] ) && ! empty( $field['choices_images'] );
// Define data.
$container = $field['properties']['input_container'];
$choices = $field['properties']['inputs'];
$amp_state_id = '';
if ( wpforms_is_amp() && $using_image_choices ) {
$amp_state_id = str_replace( '-', '_', sanitize_key( $container['id'] ) ) . '_state';
$state = array(
'selected' => null,
);
foreach ( $choices as $key => $choice ) {
if ( $choice['default'] ) {
$state['selected'] = $choice['attr']['value'];
break;
}
}
printf(
'<amp-state id="%s"><script type="application/json">%s</script></amp-state>',
esc_attr( $amp_state_id ),
wp_json_encode( $state )
);
}
printf(
'<ul %s>',
wpforms_html_attributes( $container['id'], $container['class'], $container['data'], $container['attr'] )
); // WPCS: XSS ok.
foreach ( $choices as $key => $choice ) {
if ( wpforms_is_amp() && $using_image_choices ) {
$choice['container']['attr']['[class]'] = sprintf(
'%s + ( %s == %s ? " wpforms-selected" : "")',
wp_json_encode( implode( ' ', $choice['container']['class'] ) ),
$amp_state_id,
wp_json_encode( $choice['attr']['value'] )
);
}
printf(
'<li %s>',
wpforms_html_attributes( $choice['container']['id'], $choice['container']['class'], $choice['container']['data'], $choice['container']['attr'] )
); // WPCS: XSS ok.
if ( $using_image_choices ) {
// Make sure the image choices are keyboard-accessible.
$choice['label']['attr']['tabindex'] = 0;
if ( wpforms_is_amp() ) {
$choice['label']['attr']['on'] = sprintf(
'tap:AMP.setState(%s)',
wp_json_encode( array( $amp_state_id => $choice['attr']['value'] ) )
);
$choice['label']['attr']['role'] = 'button';
}
// Image choices.
printf(
'<label %s>',
wpforms_html_attributes( $choice['label']['id'], $choice['label']['class'], $choice['label']['data'], $choice['label']['attr'] )
); // WPCS: XSS ok.
if ( ! empty( $choice['image'] ) ) {
printf(
'<span class="wpforms-image-choices-image"><img src="%s" alt="%s"%s></span>',
esc_url( $choice['image'] ),
esc_attr( $choice['label']['text'] ),
! empty( $choice['label']['text'] ) ? ' title="' . esc_attr( $choice['label']['text'] ) . '"' : ''
);
}
if ( 'none' === $field['choices_images_style'] ) {
echo '<br>';
}
$choice['attr']['tabindex'] = '-1';
if ( wpforms_is_amp() ) {
$choice['attr']['[checked]'] = sprintf(
'%s == %s',
$amp_state_id,
wp_json_encode( $choice['attr']['value'] )
);
}
printf(
'<input type="radio" %s %s %s>',
wpforms_html_attributes( $choice['id'], $choice['class'], $choice['data'], $choice['attr'] ),
esc_attr( $choice['required'] ),
checked( '1', $choice['default'], false )
); // WPCS: XSS ok.
echo '<span class="wpforms-image-choices-label">' . wp_kses_post( $choice['label']['text'] ) . '</span>';
echo '</label>';
} else {
// Normal display.
printf(
'<input type="radio" %s %s %s>',
wpforms_html_attributes( $choice['id'], $choice['class'], $choice['data'], $choice['attr'] ),
esc_attr( $choice['required'] ),
checked( '1', $choice['default'], false )
); // WPCS: XSS ok.
printf(
'<label %s>%s</label>',
wpforms_html_attributes( $choice['label']['id'], $choice['label']['class'], $choice['label']['data'], $choice['label']['attr'] ),
wp_kses_post( $choice['label']['text'] )
); // WPCS: XSS ok.
}
echo '</li>';
}
echo '</ul>';
}
/**
* Format and sanitize field.
*
* @since 1.0.2
*
* @param int $field_id Field ID.
* @param string $field_submit Submitted form data.
* @param array $form_data Form data and settings.
*/
public function format( $field_id, $field_submit, $form_data ) {
$field = $form_data['fields'][ $field_id ];
$dynamic = ! empty( $field['dynamic_choices'] ) ? $field['dynamic_choices'] : false;
$name = sanitize_text_field( $field['label'] );
$value_raw = sanitize_text_field( $field_submit );
$data = array(
'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.
$data['dynamic'] = 'post_type';
$data['dynamic_items'] = absint( $value_raw );
$data['dynamic_post_type'] = $field['dynamic_post_type'];
$post = get_post( $value_raw );
if ( ! empty( $post ) && ! is_wp_error( $post ) && $data['dynamic_post_type'] === $post->post_type ) {
$data['value'] = esc_html( $post->post_title );
}
} elseif ( 'taxonomy' === $dynamic && ! empty( $field['dynamic_taxonomy'] ) ) {
// Dynamic population is enabled using taxonomy.
$data['dynamic'] = 'taxonomy';
$data['dynamic_items'] = absint( $value_raw );
$data['dynamic_taxonomy'] = $field['dynamic_taxonomy'];
$term = get_term( $value_raw, $data['dynamic_taxonomy'] );
if ( ! empty( $term ) && ! is_wp_error( $term ) ) {
$data['value'] = esc_html( $term->name );
}
} else {
// Normal processing, dynamic population is off.
$choice_key = '';
// If show_values is true, that means value posted is the raw value
// and not the label. So we need to set label value. Also store
// the choice key.
if ( ! empty( $field['show_values'] ) ) {
foreach ( $field['choices'] as $key => $choice ) {
if ( $choice['value'] === $field_submit ) {
$data['value'] = sanitize_text_field( $choice['label'] );
$choice_key = $key;
break;
}
}
} else {
$data['value'] = $value_raw;
// Determine choice key, this is needed for image choices.
foreach ( $field['choices'] as $key => $choice ) {
/* translators: %s - choice number. */
if ( $value_raw === $choice['label'] || $value_raw === sprintf( esc_html__( 'Choice %s', 'wpforms-lite' ), $key ) ) {
$choice_key = $key;
break;
}
}
}
// Images choices are enabled, lookup and store image URL.
if ( ! empty( $choice_key ) && ! empty( $field['choices_images'] ) ) {
$data['image'] = ! empty( $field['choices'][ $choice_key ]['image'] ) ? esc_url_raw( $field['choices'][ $choice_key ]['image'] ) : '';
}
}
// Push field details to be saved.
wpforms()->process->fields[ $field_id ] = $data;
}
}
new WPForms_Field_Radio();