name ) )
return '';
$validation_error = wpcf7_get_validation_error( $tag->name );
$class = wpcf7_form_controls_class( $tag->type );
if ( $validation_error )
$class .= ' wpcf7-not-valid';
if ( $tag->has_option( 'invert' ) )
$class .= ' wpcf7-invert';
$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->has_option( 'default:on' ) )
$atts['checked'] = 'checked';
$atts['aria-invalid'] = $validation_error ? 'true' : 'false';
$atts['type'] = 'checkbox';
$atts['name'] = $tag->name;
$atts['value'] = '1';
$atts = wpcf7_format_atts( $atts );
$html = sprintf(
'%3$s',
sanitize_html_class( $tag->name ), $atts, $validation_error );
return $html;
}
/* Validation filter */
add_filter( 'wpcf7_validate_acceptance', 'wpcf7_acceptance_validation_filter', 10, 2 );
function wpcf7_acceptance_validation_filter( $result, $tag ) {
if ( ! wpcf7_acceptance_as_validation() )
return $result;
$tag = new WPCF7_Shortcode( $tag );
$name = $tag->name;
$value = ( ! empty( $_POST[$name] ) ? 1 : 0 );
$invert = $tag->has_option( 'invert' );
if ( $invert && $value || ! $invert && ! $value ) {
$result->invalidate( $tag, wpcf7_get_message( 'accept_terms' ) );
}
return $result;
}
/* Acceptance filter */
add_filter( 'wpcf7_acceptance', 'wpcf7_acceptance_filter' );
function wpcf7_acceptance_filter( $accepted ) {
if ( ! $accepted )
return $accepted;
$fes = wpcf7_scan_shortcode( array( 'type' => 'acceptance' ) );
foreach ( $fes as $fe ) {
$name = $fe['name'];
$options = (array) $fe['options'];
if ( empty( $name ) )
continue;
$value = ( ! empty( $_POST[$name] ) ? 1 : 0 );
$invert = (bool) preg_grep( '%^invert$%', $options );
if ( $invert && $value || ! $invert && ! $value )
$accepted = false;
}
return $accepted;
}
add_filter( 'wpcf7_form_class_attr', 'wpcf7_acceptance_form_class_attr' );
function wpcf7_acceptance_form_class_attr( $class ) {
if ( wpcf7_acceptance_as_validation() )
return $class . ' wpcf7-acceptance-as-validation';
return $class;
}
function wpcf7_acceptance_as_validation() {
if ( ! $contact_form = wpcf7_get_current_contact_form() )
return false;
return $contact_form->is_true( 'acceptance_as_validation' );
}
/* Tag generator */
add_action( 'wpcf7_admin_init', 'wpcf7_add_tag_generator_acceptance', 35 );
function wpcf7_add_tag_generator_acceptance() {
$tag_generator = WPCF7_TagGenerator::get_instance();
$tag_generator->add( 'acceptance', __( 'acceptance', 'contact-form-7' ),
'wpcf7_tag_generator_acceptance' );
}
function wpcf7_tag_generator_acceptance( $contact_form, $args = '' ) {
$args = wp_parse_args( $args, array() );
$type = 'acceptance';
$description = __( "Generate a form-tag for an acceptance checkbox. For more details, see %s.", 'contact-form-7' );
$desc_link = wpcf7_link( __( 'http://contactform7.com/acceptance-checkbox/', 'contact-form-7' ), __( 'Acceptance Checkbox', 'contact-form-7' ) );
?>