<?php
/**
** A base module for [checkbox], [checkbox*], and [radio]
**/
/* form_tag handler */
add_action( 'wpcf7_init', 'wpcf7_add_form_tag_checkbox', 10, 0 );
function wpcf7_add_form_tag_checkbox() {
wpcf7_add_form_tag( array( 'checkbox', 'checkbox*', 'radio' ),
'wpcf7_checkbox_form_tag_handler',
array(
'name-attr' => true,
'selectable-values' => true,
'multiple-controls-container' => true,
)
);
}
function wpcf7_checkbox_form_tag_handler( $tag ) {
if ( empty( $tag->name ) ) {
return '';
}
$validation_error = wpcf7_get_validation_error( $tag->name );
$class = wpcf7_form_controls_class( $tag->type );
if ( $validation_error ) {
$class .= ' wpcf7-not-valid';
}
$label_first = $tag->has_option( 'label_first' );
$use_label_element = $tag->has_option( 'use_label_element' );
$exclusive = $tag->has_option( 'exclusive' );
$free_text = $tag->has_option( 'free_text' );
$multiple = false;
if ( 'checkbox' == $tag->basetype ) {
$multiple = ! $exclusive;
} else { // radio
$exclusive = false;
}
if ( $exclusive ) {
$class .= ' wpcf7-exclusive-checkbox';
}
$atts = array();
$atts['class'] = $tag->get_class_option( $class );
$atts['id'] = $tag->get_id_option();
if ( $validation_error ) {
$atts['aria-describedby'] = wpcf7_get_validation_error_reference(
$tag->name
);
}
$tabindex = $tag->get_option( 'tabindex', 'signed_int', true );
if ( false !== $tabindex ) {
$tabindex = (int) $tabindex;
}
$html = '';
$count = 0;
if ( $data = (array) $tag->get_data_option() ) {
if ( $free_text ) {
$tag->values = array_merge(
array_slice( $tag->values, 0, -1 ),
array_values( $data ),
array_slice( $tag->values, -1 )
);
$tag->labels = array_merge(
array_slice( $tag->labels, 0, -1 ),
array_values( $data ),
array_slice( $tag->labels, -1 )
);
} else {
$tag->values = array_merge( $tag->values, array_values( $data ) );
$tag->labels = array_merge( $tag->labels, array_values( $data ) );
}
}
$values = $tag->values;
$labels = $tag->labels;
$default_choice = $tag->get_default_option( null, array(
'multiple' => $multiple,
) );
$hangover = wpcf7_get_hangover( $tag->name, $multiple ? array() : '' );
foreach ( $values as $key => $value ) {
if ( $hangover ) {
$checked = in_array( $value, (array) $hangover, true );
} else {
$checked = in_array( $value, (array) $default_choice, true );
}
if ( isset( $labels[$key] ) ) {
$label = $labels[$key];
} else {
$label = $value;
}
$item_atts = array(
'type' => $tag->basetype,
'name' => $tag->name . ( $multiple ? '[]' : '' ),
'value' => $value,
'checked' => $checked,
'tabindex' => $tabindex,
);
$item_atts = wpcf7_format_atts( $item_atts );
if ( $label_first ) { // put label first, input last
$item = sprintf(
'<span class="wpcf7-list-item-label">%1$s</span><input %2$s />',
esc_html( $label ),
$item_atts
);
} else {
$item = sprintf(
'<input %2$s /><span class="wpcf7-list-item-label">%1$s</span>',
esc_html( $label ),
$item_atts
);
}
if ( $use_label_element ) {
$item = '<label>' . $item . '</label>';
}
if ( false !== $tabindex and 0 < $tabindex ) {
$tabindex += 1;
}
$class = 'wpcf7-list-item';
$count += 1;
if ( 1 == $count ) {
$class .= ' first';
}
if ( count( $values ) == $count ) { // last round
$class .= ' last';
if ( $free_text ) {
$free_text_name = sprintf( '_wpcf7_free_text_%s', $tag->name );
$free_text_atts = array(
'name' => $free_text_name,
'class' => 'wpcf7-free-text',
'tabindex' => $tabindex,
);
if ( wpcf7_is_posted()
and isset( $_POST[$free_text_name] ) ) {
$free_text_atts['value'] = wp_unslash( $_POST[$free_text_name] );
}
$free_text_atts = wpcf7_format_atts( $free_text_atts );
$item .= sprintf( ' <input type="text" %s />', $free_text_atts );
$class .= ' has-free-text';
}
}
$item = '<span class="' . esc_attr( $class ) . '">' . $item . '</span>';
$html .= $item;
}
$html = sprintf(
'<span class="wpcf7-form-control-wrap" data-name="%1$s"><span %2$s>%3$s</span>%4$s</span>',
esc_attr( $tag->name ),
wpcf7_format_atts( $atts ),
$html,
$validation_error
);
return $html;
}
add_action(
'wpcf7_swv_create_schema',
'wpcf7_swv_add_checkbox_rules',
10, 2
);
function wpcf7_swv_add_checkbox_rules( $schema, $contact_form ) {
$tags = $contact_form->scan_form_tags( array(
'basetype' => array( 'checkbox', 'radio' ),
) );
foreach ( $tags as $tag ) {
if ( $tag->is_required() or 'radio' === $tag->type ) {
$schema->add_rule(
wpcf7_swv_create_rule( 'required', array(
'field' => $tag->name,
'error' => wpcf7_get_message( 'invalid_required' ),
) )
);
}
if ( 'radio' === $tag->type or $tag->has_option( 'exclusive' ) ) {
$schema->add_rule(
wpcf7_swv_create_rule( 'maxitems', array(
'field' => $tag->name,
'threshold' => 1,
'error' => $contact_form->filter_message(
__( "Too many items are selected.", 'contact-form-7' )
),
) )
);
}
}
}
add_action(
'wpcf7_swv_create_schema',
'wpcf7_swv_add_checkbox_enum_rules',
20, 2
);
function wpcf7_swv_add_checkbox_enum_rules( $schema, $contact_form ) {
$tags = $contact_form->scan_form_tags( array(
'basetype' => array( 'checkbox', 'radio' ),
) );
$values = array_reduce(
$tags,
function ( $values, $tag ) {
if ( $tag->has_option( 'free_text' ) ) {
$values[$tag->name] = 'free_text';
}
if (
isset( $values[$tag->name] ) and
! is_array( $values[$tag->name] ) // Maybe 'free_text'
) {
return $values;
}
if ( ! isset( $values[$tag->name] ) ) {
$values[$tag->name] = array();
}
$tag_values = array_merge(
(array) $tag->values,
(array) $tag->get_data_option()
);
$values[$tag->name] = array_merge(
$values[$tag->name],
$tag_values
);
return $values;
},
array()
);
foreach ( $values as $field => $field_values ) {
if ( ! is_array( $field_values ) ) { // Maybe 'free_text'
continue;
}
$field_values = array_map(
static function ( $value ) {
return html_entity_decode(
(string) $value,
ENT_QUOTES | ENT_HTML5,
'UTF-8'
);
},
$field_values
);
$field_values = array_filter(
array_unique( $field_values ),
static function ( $value ) {
return '' !== $value;
}
);
$schema->add_rule(
wpcf7_swv_create_rule( 'enum', array(
'field' => $field,
'accept' => array_values( $field_values ),
'error' => $contact_form->filter_message(
__( "Undefined value was submitted through this field.", 'contact-form-7' )
),
) )
);
}
}
add_filter( 'wpcf7_posted_data_checkbox',
'wpcf7_posted_data_checkbox',
10, 3
);
add_filter( 'wpcf7_posted_data_checkbox*',
'wpcf7_posted_data_checkbox',
10, 3
);
add_filter( 'wpcf7_posted_data_radio',
'wpcf7_posted_data_checkbox',
10, 3
);
function wpcf7_posted_data_checkbox( $value, $value_orig, $form_tag ) {
if ( $form_tag->has_option( 'free_text' ) ) {
$value = (array) $value;
$free_text_name = sprintf( '_wpcf7_free_text_%s', $form_tag->name );
$free_text = wp_unslash( $_POST[$free_text_name] ?? '' );
$last_val = array_pop( $value );
if ( isset( $last_val ) ) {
$last_val = sprintf( '%s %s', $last_val, $free_text );
$value[] = trim( $last_val );
}
}
return $value;
}
/* Tag generator */
add_action( 'wpcf7_admin_init',
'wpcf7_add_tag_generator_checkbox_and_radio', 30, 0 );
function wpcf7_add_tag_generator_checkbox_and_radio() {
$tag_generator = WPCF7_TagGenerator::get_instance();
$basetypes = array(
'checkbox' => __( 'checkboxes', 'contact-form-7' ),
'radio' => __( 'radio buttons', 'contact-form-7' ),
);
foreach ( $basetypes as $id => $title ) {
$tag_generator->add( $id, $title,
'wpcf7_tag_generator_checkbox',
array( 'version' => '2' )
);
}
}
function wpcf7_tag_generator_checkbox( $contact_form, $options ) {
$field_types = array(
'checkbox' => array(
'display_name' => __( 'Checkboxes', 'contact-form-7' ),
'heading' => __( 'Checkboxes form-tag generator', 'contact-form-7' ),
'description' => __( 'Generates a form-tag for a group of <a href="https://contactform7.com/checkboxes-radio-buttons-and-menus/">checkboxes</a>.', 'contact-form-7' ),
),
'radio' => array(
'display_name' => __( 'Radio buttons', 'contact-form-7' ),
'heading' => __( 'Radio buttons form-tag generator', 'contact-form-7' ),
'description' => __( 'Generates a form-tag for a group of <a href="https://contactform7.com/checkboxes-radio-buttons-and-menus/">radio buttons</a>.', 'contact-form-7' ),
),
);
$basetype = $options['id'];
if ( ! in_array( $basetype, array_keys( $field_types ) ) ) {
$basetype = 'checkbox';
}
$tgg = new WPCF7_TagGeneratorGenerator( $options['content'] );
?>
<header class="description-box">
<h3><?php
echo esc_html( $field_types[$basetype]['heading'] );
?></h3>
<p><?php
$description = wp_kses(
$field_types[$basetype]['description'],
array(
'a' => array( 'href' => true ),
'strong' => array(),
),
array( 'http', 'https' )
);
echo $description;
?></p>
</header>
<div class="control-box">
<?php
$tgg->print( 'field_type', array(
'with_required' => 'checkbox' === $basetype,
'select_options' => array(
$basetype => $field_types[$basetype]['display_name'],
),
) );
$tgg->print( 'field_name' );
$tgg->print( 'class_attr' );
$tgg->print( 'selectable_values', array(
'use_label_element' => 'checked',
) );
?>
</div>
<footer class="insert-box">
<?php
$tgg->print( 'insert_box_content' );
$tgg->print( 'mail_tag_tip' );
?>
</footer>
<?php
}