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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 07:56:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 07:56:49 +0000 |
commit | a415c29efee45520ae252d2aa28f1083a521cd7b (patch) | |
tree | f4ade4b6668ecc0765de7e1424f7c1427ad433ff /wp-includes/class-wp-classic-to-block-menu-converter.php | |
parent | Initial commit. (diff) | |
download | wordpress-a415c29efee45520ae252d2aa28f1083a521cd7b.tar.xz wordpress-a415c29efee45520ae252d2aa28f1083a521cd7b.zip |
Adding upstream version 6.4.3+dfsg1.upstream/6.4.3+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | wp-includes/class-wp-classic-to-block-menu-converter.php | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/wp-includes/class-wp-classic-to-block-menu-converter.php b/wp-includes/class-wp-classic-to-block-menu-converter.php new file mode 100644 index 0000000..6430aab --- /dev/null +++ b/wp-includes/class-wp-classic-to-block-menu-converter.php @@ -0,0 +1,132 @@ +<?php +/** + * WP_Classic_To_Block_Menu_Converter class + * + * @package WordPress + * @since 6.3.0 + */ + +/** + * Converts a Classic Menu to Block Menu blocks. + * + * @since 6.3.0 + * @access public + */ +class WP_Classic_To_Block_Menu_Converter { + + /** + * Converts a Classic Menu to blocks. + * + * @since 6.3.0 + * + * @param WP_Term $menu The Menu term object of the menu to convert. + * @return string|WP_Error The serialized and normalized parsed blocks on success, + * an empty string when there are no menus to convert, + * or WP_Error on invalid menu. + */ + public static function convert( $menu ) { + + if ( ! is_nav_menu( $menu ) ) { + return new WP_Error( + 'invalid_menu', + __( 'The menu provided is not a valid menu.' ) + ); + } + + $menu_items = wp_get_nav_menu_items( $menu->term_id, array( 'update_post_term_cache' => false ) ); + + if ( empty( $menu_items ) ) { + return ''; + } + + // Set up the $menu_item variables. + // Adds the class property classes for the current context, if applicable. + _wp_menu_item_classes_by_context( $menu_items ); + + $menu_items_by_parent_id = static::group_by_parent_id( $menu_items ); + + $first_menu_item = isset( $menu_items_by_parent_id[0] ) + ? $menu_items_by_parent_id[0] + : array(); + + $inner_blocks = static::to_blocks( + $first_menu_item, + $menu_items_by_parent_id + ); + + return serialize_blocks( $inner_blocks ); + } + + /** + * Returns an array of menu items grouped by the id of the parent menu item. + * + * @since 6.3.0 + * + * @param array $menu_items An array of menu items. + * @return array + */ + private static function group_by_parent_id( $menu_items ) { + $menu_items_by_parent_id = array(); + + foreach ( $menu_items as $menu_item ) { + $menu_items_by_parent_id[ $menu_item->menu_item_parent ][] = $menu_item; + } + + return $menu_items_by_parent_id; + } + + /** + * Turns menu item data into a nested array of parsed blocks + * + * @since 6.3.0 + * + * @param array $menu_items An array of menu items that represent + * an individual level of a menu. + * @param array $menu_items_by_parent_id An array keyed by the id of the + * parent menu where each element is an + * array of menu items that belong to + * that parent. + * @return array An array of parsed block data. + */ + private static function to_blocks( $menu_items, $menu_items_by_parent_id ) { + + if ( empty( $menu_items ) ) { + return array(); + } + + $blocks = array(); + + foreach ( $menu_items as $menu_item ) { + $class_name = ! empty( $menu_item->classes ) ? implode( ' ', (array) $menu_item->classes ) : null; + $id = ( null !== $menu_item->object_id && 'custom' !== $menu_item->object ) ? $menu_item->object_id : null; + $opens_in_new_tab = null !== $menu_item->target && '_blank' === $menu_item->target; + $rel = ( null !== $menu_item->xfn && '' !== $menu_item->xfn ) ? $menu_item->xfn : null; + $kind = null !== $menu_item->type ? str_replace( '_', '-', $menu_item->type ) : 'custom'; + + $block = array( + 'blockName' => isset( $menu_items_by_parent_id[ $menu_item->ID ] ) ? 'core/navigation-submenu' : 'core/navigation-link', + 'attrs' => array( + 'className' => $class_name, + 'description' => $menu_item->description, + 'id' => $id, + 'kind' => $kind, + 'label' => $menu_item->title, + 'opensInNewTab' => $opens_in_new_tab, + 'rel' => $rel, + 'title' => $menu_item->attr_title, + 'type' => $menu_item->object, + 'url' => $menu_item->url, + ), + ); + + $block['innerBlocks'] = isset( $menu_items_by_parent_id[ $menu_item->ID ] ) + ? static::to_blocks( $menu_items_by_parent_id[ $menu_item->ID ], $menu_items_by_parent_id ) + : array(); + $block['innerContent'] = array_map( 'serialize_block', $block['innerBlocks'] ); + + $blocks[] = $block; + } + + return $blocks; + } +} |