ID, $saved, $field ); // Apply filter to field meta value // 1st filter applies to all fields // 2nd filter applies to all fields with the same type // 3rd filter applies to current field only $meta = apply_filters( 'rwmb_field_meta', $meta, $field, $saved ); $meta = apply_filters( "rwmb_{$field['type']}_meta", $meta, $field, $saved ); $meta = apply_filters( "rwmb_{$field['id']}_meta", $meta, $field, $saved ); $type = $field['type']; $id = $field['id']; $begin = call_user_func( array( $field_class, 'begin_html' ), $meta, $field ); // Apply filter to field begin HTML // 1st filter applies to all fields // 2nd filter applies to all fields with the same type // 3rd filter applies to current field only $begin = apply_filters( 'rwmb_begin_html', $begin, $field, $meta ); $begin = apply_filters( "rwmb_{$type}_begin_html", $begin, $field, $meta ); $begin = apply_filters( "rwmb_{$id}_begin_html", $begin, $field, $meta ); // Separate code for cloneable and non-cloneable fields to make easy to maintain // Cloneable fields if ( $field['clone'] ) { $meta = (array) $meta; $field_html = ''; foreach ( $meta as $index => $sub_meta ) { $sub_field = $field; $sub_field['field_name'] = $field['field_name'] . "[{$index}]"; if ( $index > 0 ) { if ( isset( $sub_field['address_field'] ) ) $sub_field['address_field'] = $field['address_field'] . "_{$index}"; $sub_field['id'] = $field['id'] . "_{$index}"; } if ( $field['multiple'] ) $sub_field['field_name'] .= '[]'; // Wrap field HTML in a div with class="rwmb-clone" if needed $input_html = '
'; // Call separated methods for displaying each type of field $input_html .= call_user_func( array( $field_class, 'html' ), $sub_meta, $sub_field ); // Apply filter to field HTML // 1st filter applies to all fields with the same type // 2nd filter applies to current field only $input_html = apply_filters( "rwmb_{$type}_html", $input_html, $field, $sub_meta ); $input_html = apply_filters( "rwmb_{$id}_html", $input_html, $field, $sub_meta ); // Remove clone button $input_html .= call_user_func( array( $field_class, 'remove_clone_button' ), $sub_meta, $sub_field ); $input_html .= '
'; $field_html .= $input_html; } } // Non-cloneable fields else { // Call separated methods for displaying each type of field $field_html = call_user_func( array( $field_class, 'html' ), $meta, $field ); // Apply filter to field HTML // 1st filter applies to all fields with the same type // 2nd filter applies to current field only $field_html = apply_filters( "rwmb_{$type}_html", $field_html, $field, $meta ); $field_html = apply_filters( "rwmb_{$id}_html", $field_html, $field, $meta ); } $end = call_user_func( array( $field_class, 'end_html' ), $meta, $field ); // Apply filter to field end HTML // 1st filter applies to all fields // 2nd filter applies to all fields with the same type // 3rd filter applies to current field only $end = apply_filters( 'rwmb_end_html', $end, $field, $meta ); $end = apply_filters( "rwmb_{$type}_end_html", $end, $field, $meta ); $end = apply_filters( "rwmb_{$id}_end_html", $end, $field, $meta ); // Apply filter to field wrapper // This allow users to change whole HTML markup of the field wrapper (i.e. table row) // 1st filter applies to all fields // 1st filter applies to all fields with the same type // 2nd filter applies to current field only $html = apply_filters( 'rwmb_wrapper_html', "{$begin}{$field_html}{$end}", $field, $meta ); $html = apply_filters( "rwmb_{$type}_wrapper_html", $html, $field, $meta ); $html = apply_filters( "rwmb_{$id}_wrapper_html", $html, $field, $meta ); // Display label and input in DIV and allow user-defined classes to be appended $classes = array( 'rwmb-field', "rwmb-{$type}-wrapper" ); if ( 'hidden' === $field['type'] ) $classes[] = 'hidden'; if ( ! empty( $field['required'] ) ) $classes[] = 'required'; if ( ! empty( $field['class'] ) ) $classes[] = $field['class']; $outer_html = sprintf( $field['before'] . '
%s
' . $field['after'], implode( ' ', $classes ), $html ); // Allow to change output of outer div // 1st filter applies to all fields // 1st filter applies to all fields with the same type // 2nd filter applies to current field only $outer_html = apply_filters( 'rwmb_outer_html', $outer_html, $field, $meta ); $outer_html = apply_filters( "rwmb_{$type}_outer_html", $outer_html, $field, $meta ); $outer_html = apply_filters( "rwmb_{$id}_outer_html", $outer_html, $field, $meta ); echo $outer_html; } /** * Get field HTML * * @param mixed $meta * @param array $field * * @return string */ static function html( $meta, $field ) { return ''; } /** * Show begin HTML markup for fields * * @param mixed $meta * @param array $field * * @return string */ static function begin_html( $meta, $field ) { if ( empty( $field['name'] ) ) return '
'; return sprintf( '
', $field['id'], $field['name'] ); } /** * Show end HTML markup for fields * * @param mixed $meta * @param array $field * * @return string */ static function end_html( $meta, $field ) { $button = $field['clone'] ? call_user_func( array( RW_Meta_Box::get_class_name( $field ), 'add_clone_button' ) ) : ''; $desc = $field['desc'] ? "

{$field['desc']}

" : ''; // Closes the container $html = "{$button}{$desc}
"; return $html; } /** * Add clone button * * @return string $html */ static function add_clone_button() { return '' . __( '+', 'meta-box' ) . ''; } /** * Remove clone button * * @return string $html */ static function remove_clone_button() { return '' . __( '–', 'meta-box' ) . ''; } /** * Get meta value * * @param int $post_id * @param bool $saved * @param array $field * * @return mixed */ static function meta( $post_id, $saved, $field ) { $meta = get_post_meta( $post_id, $field['id'], ! $field['multiple'] ); // Use $field['std'] only when the meta box hasn't been saved (i.e. the first time we run) $meta = ( ! $saved && '' === $meta || array() === $meta ) ? $field['std'] : $meta; // Escape attributes for non-wysiwyg fields if ( 'wysiwyg' !== $field['type'] ) $meta = is_array( $meta ) ? array_map( 'esc_attr', $meta ) : esc_attr( $meta ); return $meta; } /** * Set value of meta before saving into database * * @param mixed $new * @param mixed $old * @param int $post_id * @param array $field * * @return int */ static function value( $new, $old, $post_id, $field ) { return $new; } /** * Save meta value * * @param $new * @param $old * @param $post_id * @param $field */ static function save( $new, $old, $post_id, $field ) { $name = $field['id']; if ( '' === $new || array() === $new ) { delete_post_meta( $post_id, $name ); return; } if ( $field['multiple'] ) { foreach ( $new as $new_value ) { if ( ! in_array( $new_value, $old ) ) add_post_meta( $post_id, $name, $new_value, false ); } foreach ( $old as $old_value ) { if ( ! in_array( $old_value, $new ) ) delete_post_meta( $post_id, $name, $old_value ); } } else { if ( $field['clone'] ) { $new = (array) $new; foreach ( $new as $k => $v ) { if ( '' === $v ) unset( $new[$k] ); } } update_post_meta( $post_id, $name, $new ); } } /** * Normalize parameters for field * * @param array $field * * @return array */ static function normalize_field( $field ) { return $field; } } }