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', 'int', true );
if ( $tag->is_required() )
$atts['aria-required'] = 'true';
$atts['aria-invalid'] = $validation_error ? 'true' : 'false';
$multiple = $tag->has_option( 'multiple' );
$include_blank = $tag->has_option( 'include_blank' );
$first_as_label = $tag->has_option( 'first_as_label' );
$values = $tag->values;
$labels = $tag->labels;
if ( $data = (array) $tag->get_data_option() ) {
$values = array_merge( $values, array_values( $data ) );
$labels = array_merge( $labels, array_values( $data ) );
}
$defaults = array();
$default_choice = $tag->get_default_option( null, 'multiple=1' );
foreach ( $default_choice as $value ) {
$key = array_search( $value, $values, true );
if ( false !== $key ) {
$defaults[] = (int) $key + 1;
}
}
if ( $matches = $tag->get_first_match_option( '/^default:([0-9_]+)$/' ) ) {
$defaults = array_merge( $defaults, explode( '_', $matches[1] ) );
}
$defaults = array_unique( $defaults );
$shifted = false;
if ( $include_blank || empty( $values ) ) {
array_unshift( $labels, '---' );
array_unshift( $values, '' );
$shifted = true;
} elseif ( $first_as_label ) {
$values[0] = '';
}
$html = '';
$hangover = wpcf7_get_hangover( $tag->name );
foreach ( $values as $key => $value ) {
$selected = false;
if ( $hangover ) {
if ( $multiple ) {
$selected = in_array( esc_sql( $value ), (array) $hangover );
} else {
$selected = ( $hangover == esc_sql( $value ) );
}
} else {
if ( ! $shifted && in_array( (int) $key + 1, (array) $defaults ) ) {
$selected = true;
} elseif ( $shifted && in_array( (int) $key, (array) $defaults ) ) {
$selected = 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 ) {
$tag = new WPCF7_Shortcode( $tag );
$name = $tag->name;
if ( isset( $_POST[$name] ) && is_array( $_POST[$name] ) ) {
foreach ( $_POST[$name] as $key => $value ) {
if ( '' === $value )
unset( $_POST[$name][$key] );
}
}
$empty = ! isset( $_POST[$name] ) || empty( $_POST[$name] ) && '0' !== $_POST[$name];
if ( $tag->is_required() && $empty ) {
$result->invalidate( $tag, wpcf7_get_message( 'invalid_required' ) );
}
return $result;
}
/* Tag generator */
add_action( 'wpcf7_admin_init', 'wpcf7_add_tag_generator_menu', 25 );
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( __( 'http://contactform7.com/checkboxes-radio-buttons-and-menus/', 'contact-form-7' ), __( 'Checkboxes, Radio Buttons and Menus', 'contact-form-7' ) );
?>