name ) )
return '';
$validation_error = wpcf7_get_validation_error( $tag->name );
$class = wpcf7_form_controls_class( $tag->type );
$class .= ' wpcf7-validates-as-number';
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 );
$atts['min'] = $tag->get_option( 'min', 'signed_int', true );
$atts['max'] = $tag->get_option( 'max', 'signed_int', true );
$atts['step'] = $tag->get_option( 'step', 'int', true );
if ( $tag->has_option( 'readonly' ) )
$atts['readonly'] = 'readonly';
if ( $tag->is_required() )
$atts['aria-required'] = 'true';
$atts['aria-invalid'] = $validation_error ? 'true' : 'false';
$value = (string) reset( $tag->values );
if ( $tag->has_option( 'placeholder' ) || $tag->has_option( 'watermark' ) ) {
$atts['placeholder'] = $value;
$value = '';
}
$value = $tag->get_default_option( $value );
$value = wpcf7_get_hangover( $tag->name, $value );
$atts['value'] = $value;
if ( wpcf7_support_html5() ) {
$atts['type'] = $tag->basetype;
} else {
$atts['type'] = 'text';
}
$atts['name'] = $tag->name;
$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_number', 'wpcf7_number_validation_filter', 10, 2 );
add_filter( 'wpcf7_validate_number*', 'wpcf7_number_validation_filter', 10, 2 );
add_filter( 'wpcf7_validate_range', 'wpcf7_number_validation_filter', 10, 2 );
add_filter( 'wpcf7_validate_range*', 'wpcf7_number_validation_filter', 10, 2 );
function wpcf7_number_validation_filter( $result, $tag ) {
$tag = new WPCF7_Shortcode( $tag );
$name = $tag->name;
$value = isset( $_POST[$name] )
? trim( strtr( (string) $_POST[$name], "\n", " " ) )
: '';
$min = $tag->get_option( 'min', 'signed_int', true );
$max = $tag->get_option( 'max', 'signed_int', true );
if ( $tag->is_required() && '' == $value ) {
$result->invalidate( $tag, wpcf7_get_message( 'invalid_required' ) );
} elseif ( '' != $value && ! wpcf7_is_number( $value ) ) {
$result->invalidate( $tag, wpcf7_get_message( 'invalid_number' ) );
} elseif ( '' != $value && '' != $min && (float) $value < (float) $min ) {
$result->invalidate( $tag, wpcf7_get_message( 'number_too_small' ) );
} elseif ( '' != $value && '' != $max && (float) $max < (float) $value ) {
$result->invalidate( $tag, wpcf7_get_message( 'number_too_large' ) );
}
return $result;
}
/* Messages */
add_filter( 'wpcf7_messages', 'wpcf7_number_messages' );
function wpcf7_number_messages( $messages ) {
return array_merge( $messages, array(
'invalid_number' => array(
'description' => __( "Number format that the sender entered is invalid", 'contact-form-7' ),
'default' => __( "The number format is invalid.", 'contact-form-7' )
),
'number_too_small' => array(
'description' => __( "Number is smaller than minimum limit", 'contact-form-7' ),
'default' => __( "The number is smaller than the minimum allowed.", 'contact-form-7' )
),
'number_too_large' => array(
'description' => __( "Number is larger than maximum limit", 'contact-form-7' ),
'default' => __( "The number is larger than the maximum allowed.", 'contact-form-7' )
) ) );
}
/* Tag generator */
add_action( 'wpcf7_admin_init', 'wpcf7_add_tag_generator_number', 18 );
function wpcf7_add_tag_generator_number() {
$tag_generator = WPCF7_TagGenerator::get_instance();
$tag_generator->add( 'number', __( 'number', 'contact-form-7' ),
'wpcf7_tag_generator_number' );
}
function wpcf7_tag_generator_number( $contact_form, $args = '' ) {
$args = wp_parse_args( $args, array() );
$type = 'number';
$description = __( "Generate a form-tag for a field for numeric value input. For more details, see %s.", 'contact-form-7' );
$desc_link = wpcf7_link( __( 'http://contactform7.com/number-fields/', 'contact-form-7' ), __( 'Number Fields', 'contact-form-7' ) );
?>