true,
'selectable-values' => true,
)
);
}
function wpcf7_select_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';
}
$atts = array();
$atts['class'] = $tag->get_class_option( $class );
$atts['id'] = $tag->get_id_option();
$atts['tabindex'] = $tag->get_option( 'tabindex', 'signed_int', true );
if ( $tag->is_required() ) {
$atts['aria-required'] = 'true';
}
if ( $validation_error ) {
$atts['aria-invalid'] = 'true';
$atts['aria-describedby'] = wpcf7_get_validation_error_reference(
$tag->name
);
} else {
$atts['aria-invalid'] = 'false';
}
$multiple = $tag->has_option( 'multiple' );
$include_blank = $tag->has_option( 'include_blank' );
$first_as_label = $tag->has_option( 'first_as_label' );
if ( $tag->has_option( 'size' ) ) {
$size = $tag->get_option( 'size', 'int', true );
if ( $size ) {
$atts['size'] = $size;
} elseif ( $multiple ) {
$atts['size'] = 4;
} else {
$atts['size'] = 1;
}
}
if ( $data = (array) $tag->get_data_option() ) {
$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,
'shifted' => $include_blank,
) );
if ( $include_blank
or empty( $values ) ) {
array_unshift( $labels, '---' );
array_unshift( $values, '' );
} elseif ( $first_as_label ) {
$values[0] = '';
}
$html = '';
$hangover = wpcf7_get_hangover( $tag->name );
foreach ( $values as $key => $value ) {
if ( $hangover ) {
$selected = in_array( $value, (array) $hangover, true );
} else {
$selected = in_array( $value, (array) $default_choice, true );
}
$item_atts = array(
'value' => $value,
'selected' => $selected ? 'selected' : '',
);
$item_atts = wpcf7_format_atts( $item_atts );
$label = isset( $labels[$key] ) ? $labels[$key] : $value;
$html .= sprintf( '',
$item_atts, esc_html( $label ) );
}
if ( $multiple ) {
$atts['multiple'] = 'multiple';
}
$atts['name'] = $tag->name . ( $multiple ? '[]' : '' );
$atts = wpcf7_format_atts( $atts );
$html = sprintf(
'%4$s',
sanitize_html_class( $tag->name ), $atts, $html, $validation_error
);
return $html;
}
/* Validation filter */
add_filter( 'wpcf7_validate_select', 'wpcf7_select_validation_filter', 10, 2 );
add_filter( 'wpcf7_validate_select*', 'wpcf7_select_validation_filter', 10, 2 );
function wpcf7_select_validation_filter( $result, $tag ) {
$name = $tag->name;
$has_value = isset( $_POST[$name] ) && '' !== $_POST[$name];
if ( $has_value and $tag->has_option( 'multiple' ) ) {
$vals = array_filter( (array) $_POST[$name], function( $val ) {
return '' !== $val;
} );
$has_value = ! empty( $vals );
}
if ( $tag->is_required() and ! $has_value ) {
$result->invalidate( $tag, wpcf7_get_message( 'invalid_required' ) );
}
return $result;
}
/* Tag generator */
add_action( 'wpcf7_admin_init', 'wpcf7_add_tag_generator_menu', 25, 0 );
function wpcf7_add_tag_generator_menu() {
$tag_generator = WPCF7_TagGenerator::get_instance();
$tag_generator->add( 'menu', __( 'drop-down menu', 'contact-form-7' ),
'wpcf7_tag_generator_menu' );
}
function wpcf7_tag_generator_menu( $contact_form, $args = '' ) {
$args = wp_parse_args( $args, array() );
$description = __( "Generate a form-tag for a drop-down menu. For more details, see %s.", 'contact-form-7' );
$desc_link = wpcf7_link( __( 'https://contactform7.com/checkboxes-radio-buttons-and-menus/', 'contact-form-7' ), __( 'Checkboxes, radio buttons and menus', 'contact-form-7' ) );
?>