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When posts/terms are deleted/trashed, update associated menu items. Deleted post = deleted menu item, trashed post = menu item becomes a draft. props filosofo, see #13174

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git-svn-id: https://develop.svn.wordpress.org/trunk@14295 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Andrew Nacin
2010-04-29 07:33:56 +00:00
parent 4defadbe97
commit 5dbf47294f
6 changed files with 153 additions and 17 deletions
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125
wp-includes/nav-menu.php
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@@ -268,8 +268,17 @@ function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0, $menu_item
if ( 'taxonomy' == $args['menu-item-type'] ) {
$original_title = get_term_field( 'name', $args['menu-item-object-id'], $args['menu-item-object'], 'raw' );
} elseif ( 'post_type' == $args['menu-item-type'] ) {
$original_object = get_post( $args['menu-item-object-id'] );
$original_title = $original_object->post_title;
if ( 'trash' == get_post_status( $args['menu-item-object-id'] ) ) {
$post_type_object = get_post_type_object( $args['menu-item-object'] );
if ( isset( $post_type_object->singular_label ) )
return new WP_Error('update_nav_menu_item_failed', sprintf(__('The menu item "%1$s" belongs to a %2$s that is in the trash, so it cannot be updated.'), $args['menu-item-title'], $post_type_object->singular_label ) );
else
return new WP_Error('update_nav_menu_item_failed', sprintf(__('The menu item "%1$s" belongs to something that is in the trash, so it cannot be updated.'), $args['menu-item-title'] ) );
}
}
if ( empty( $args['menu-item-title'] ) || $args['menu-item-title'] == $original_title ) {
@@ -528,4 +537,120 @@ function wp_setup_nav_menu_item( $menu_item ) {
return apply_filters( 'wp_setup_nav_menu_item', $menu_item );
}
/**
* Get the menu items associated with a particular object.
*
* @since 3.0.0
*
* @param int $object_id The ID of the original object.
* @param string $object_type The type of object, such as "taxonomy" or "post_type."
* @return array The array of menu item IDs; empty array if none;
*/
function wp_get_associated_nav_menu_items( $object_id = 0, $object_type = 'post_type' ) {
$object_id = (int) $object_id;
$menu_item_ids = array();
$query = new WP_Query;
$menu_items = $query->query(
array(
'meta_key' => '_menu_item_object_id',
'meta_value' => $object_id,
'post_status' => 'any',
'post_type' => 'nav_menu_item',
'showposts' => -1,
)
);
foreach( (array) $menu_items as $menu_item ) {
if ( isset( $menu_item->ID ) && is_nav_menu_item( $menu_item->ID ) ) {
if ( get_post_meta($menu_item->ID, '_menu_item_type', true) != $object_type )
continue;
$menu_item_ids[] = (int) $menu_item->ID;
}
}
return array_unique( $menu_item_ids );
}
/**
* Callback for handling a menu item when its original object is trashed.
*
* @since 3.0.0
* @access private
*
* @param int $object_id The ID of the original object being trashed.
*
*/
function _wp_trash_menu_item( $object_id = 0 ) {
$object_id = (int) $object_id;
$menu_item_ids = wp_get_associated_nav_menu_items( $object_id );
foreach( (array) $menu_item_ids as $menu_item_id ) {
$menu_item = get_post( $menu_item_id, ARRAY_A );
$menu_item['post_status'] = 'draft';
wp_insert_post($menu_item);
}
}
/**
* Callback for handling a menu item when its original object is un-trashed.
*
* @since 3.0.0
* @access private
*
* @param int $object_id The ID of the original object being untrashed.
*
*/
function _wp_untrash_menu_item( $object_id = 0 ) {
$object_id = (int) $object_id;
$menu_item_ids = wp_get_associated_nav_menu_items( $object_id );
foreach( (array) $menu_item_ids as $menu_item_id ) {
$menu_item = get_post( $menu_item_id, ARRAY_A );
$menu_item['post_status'] = 'publish';
wp_insert_post($menu_item);
}
}
/**
* Callback for handling a menu item when its original object is deleted.
*
* @since 3.0.0
* @access private
*
* @param int $object_id The ID of the original object being trashed.
*
*/
function _wp_delete_post_menu_item( $object_id = 0 ) {
$object_id = (int) $object_id;
$menu_item_ids = wp_get_associated_nav_menu_items( $object_id, 'post_type' );
foreach( (array) $menu_item_ids as $menu_item_id ) {
wp_delete_post( $menu_item_id, true );
}
}
/**
* Callback for handling a menu item when its original object is deleted.
*
* @since 3.0.0
* @access private
*
* @param int $object_id The ID of the original object being trashed.
*
*/
function _wp_delete_tax_menu_item( $object_id = 0 ) {
$object_id = (int) $object_id;
$menu_item_ids = wp_get_associated_nav_menu_items( $object_id, 'taxonomy' );
foreach( (array) $menu_item_ids as $menu_item_id ) {
wp_delete_post( $menu_item_id, true );
}
}
?>