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Allow capability_type to be an array, for odd plural situations such as story/storys/stories. After registration it reverts to a singular string. Lots of documentation for meta capabilities and post types, also some cleanups for register_post_type documentation. see #14122. 

git-svn-id: https://develop.svn.wordpress.org/trunk@15934 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Andrew Nacin 2010-10-23 18:03:26 +00:00
parent 234efcf413
commit 7a0720ec5e
1 changed files with 97 additions and 41 deletions
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138
wp-includes/post.php
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@ -822,37 +822,50 @@ function get_post_types( $args = array(), $output = 'names', $operator = 'and' )
/**
* Register a post type. Do not use before init.
*
* A simple function for creating or modifying a post type based on the
* A function for creating or modifying a post type based on the
* parameters given. The function will accept an array (second optional
* parameter), along with a string for the post type name.
*
*
* Optional $args contents:
*
* - label - Name of the post type shown in the menu. Usually plural. If not set, labels['name'] will be used.
* - description - A short descriptive summary of what the post type is. Defaults to blank.
* - public - Whether posts of this type should be shown in the admin UI. Defaults to false.
* - exclude_from_search - Whether to exclude posts with this post type from search results. Defaults to true if the type is not public, false if the type is public.
* - publicly_queryable - Whether post_type queries can be performed from the front page. Defaults to whatever public is set as.
* - show_ui - Whether to generate a default UI for managing this post type. Defaults to true if the type is public, false if the type is not public.
* - show_in_menu - Where to show the post type in the admin menu. True for a top level menu, false for no menu, or can be a top level page like 'tools.php' or 'edit.php?post_type=page'. show_ui must be true.
* - exclude_from_search - Whether to exclude posts with this post type from search results.
* Defaults to true if the type is not public, false if the type is public.
* - publicly_queryable - Whether post_type queries can be performed from the front page.
* Defaults to whatever public is set as.
* - show_ui - Whether to generate a default UI for managing this post type. Defaults to true
* if the type is public, false if the type is not public.
* - show_in_menu - Where to show the post type in the admin menu. True for a top level menu,
* false for no menu, or can be a top level page like 'tools.php' or 'edit.php?post_type=page'.
* show_ui must be true.
* - menu_position - The position in the menu order the post type should appear. Defaults to the bottom.
* - menu_icon - The url to the icon to be used for this menu. Defaults to use the posts icon.
* - capability_type - The post type to use for checking read, edit, and delete capabilities. Defaults to "post".
* - capabilities - Array of capabilities for this post type. You can see accepted values in {@link get_post_type_capabilities()}. By default the capability_type is used as a base to construct capabilities.
* - capability_type - The post type to use for checking read, edit, and delete capabilities. Defaults to 'post'.
* May be passed as an array to allow for alternative plurals when using this argument as a base to construct the
* capabilities, e.g. array('story', 'stories').
* - capabilities - Array of capabilities for this post type. By default the capability_type is used
* as a base to construct capabilities. You can see accepted values in {@link get_post_type_capabilities()}.
* - map_meta_cap - Whether to use the internal default meta capability handling. Defaults to false.
* - hierarchical - Whether the post type is hierarchical. Defaults to false.
* - supports - An alias for calling add_post_type_support() directly. See add_post_type_support() for Documentation. Defaults to none.
* - register_meta_box_cb - Provide a callback function that will be called when setting up the meta boxes for the edit form. Do remove_meta_box() and add_meta_box() calls in the callback.
* - taxonomies - An array of taxonomy identifiers that will be registered for the post type. Default is no taxonomies. Taxonomies can be registered later with register_taxonomy() or register_taxonomy_for_object_type().
* - labels - An array of labels for this post type. You can see accepted values in {@link get_post_type_labels()}. By default post labels are used for non-hierarchical types and page labels for hierarchical ones.
* - supports - An alias for calling add_post_type_support() directly. See {@link add_post_type_support()}
* for documentation. Defaults to none.
* - register_meta_box_cb - Provide a callback function that will be called when setting up the
* meta boxes for the edit form. Do remove_meta_box() and add_meta_box() calls in the callback.
* - taxonomies - An array of taxonomy identifiers that will be registered for the post type.
* Default is no taxonomies. Taxonomies can be registered later with register_taxonomy() or
* register_taxonomy_for_object_type().
* - labels - An array of labels for this post type. By default post labels are used for non-hierarchical
* types and page labels for hierarchical ones. You can see accepted values in {@link get_post_type_labels()}.
* - permalink_epmask - The default rewrite endpoint bitmasks.
* - rewrite - false to prevent rewrite, or array('slug'=>$slug) to customize permastruct; default will use $post_type as slug.
* - rewrite - false to prevent rewrite. Defaults to true. Use array('slug'=>$slug) to customize permastruct;
* default will use $post_type as slug. Other options include 'with_front' and 'feeds'.
* - query_var - false to prevent queries, or string to value of the query var to use for this post type
* - can_export - true allows this post type to be exported.
* - show_in_nav_menus - true makes this post type available for selection in navigation menus.
* - _builtin - true if this post type is a native or "built-in" post_type. THIS IS FOR INTERNAL USE ONLY!
* - _edit_link - URL segement to use for edit link of this post type. Set to 'post.php?post=%d'. THIS IS FOR INTERNAL USE ONLY!
* - _builtin - true if this post type is a native or "built-in" post_type. THIS IS FOR INTERNAL USE ONLY!
* - _edit_link - URL segement to use for edit link of this post type. THIS IS FOR INTERNAL USE ONLY!
*
* @since 2.9.0
* @uses $wp_post_types Inserts new post type object into the list
@ -908,6 +921,9 @@ function register_post_type($post_type, $args = array()) {
$args->cap = get_post_type_capabilities( $args );
unset($args->capabilities);
if ( is_array( $args->capability_type ) )
$args->capability_type = $args->capability_type[0];
if ( ! empty($args->supports) ) {
add_post_type_support($post_type, $args->supports);
unset($args->supports);
@ -974,45 +990,85 @@ function register_post_type($post_type, $args = array()) {
/**
* Builds an object with all post type capabilities out of a post type object
*
* Accepted keys of the capabilities array in the post type object:
* - edit_post - The meta capability that controls editing a particular object of this post type. Defaults to "edit_ . $capability_type" (edit_post).
* - edit_posts - The capability that controls editing objects of this post type as a class. Defaults to "edit_ . $capability_type . s" (edit_posts).
* - edit_others_posts - The capability that controls editing objects of this post type that are owned by other users. Defaults to "edit_others_ . $capability_type . s" (edit_others_posts).
* - publish_posts - The capability that controls publishing objects of this post type. Defaults to "publish_ . $capability_type . s" (publish_posts).
* - read_post - The meta capability that controls reading a particular object of this post type. Defaults to "read_ . $capability_type" (read_post).
* - read_private_posts - The capability that controls reading private posts. Defaults to "read_private . $capability_type . s" (read_private_posts).
* - delete_post - The meta capability that controls deleting a particular object of this post type. Defaults to "delete_ . $capability_type" (delete_post).
* Post type capabilities use the 'capability_type' argument as a base, if the
* capability is not set in the 'capabilities' argument array or if the
* 'capabilities' argument is not supplied.
*
* The capability_type argument can optionally be registered as an array, with
* the first value being singular and the second plural, e.g. array('story, 'stories')
* Otherwise, an 's' will be added to the value for the plural form. After
* registration, capability_type will always be a string of the singular value.
*
* By default, seven keys are accepted as part of the capabilities array:
*
* - edit_post, read_post, and delete_post are meta capabilities, which are then
* generally mapped to corresponding primitive capabilities depending on the
* context, which would be the post being edited/read/deleted and the user or
* role being checked. Thus these capabilities would generally not be granted
* directly to users or roles.
*
* - edit_posts - Controls whether objects of this post type can be edited.
* - edit_others_posts - Controls whether objects of this type owned by other users
* can be edited. If the post type does not support an author, then this will
* behave like edit_posts.
* - publish_posts - Controls publishing objects of this post type.
* - read_private_posts - Controls whether private objects can be read.
* These four primitive capabilities are checked in core in various locations.
* There are also seven other primitive capabilities which are not referenced
* directly in core, except in map_meta_cap(), which takes the three aforementioned
* meta capabilities and translates them into one or more primitive capabilities
* that must then be checked against the user or role, depending on the context.
*
* - read - Controls whether objects of this post type can be read.
* - delete_posts - Controls whether objects of this post type can be deleted.
* - delete_private_posts - Controls whether private objects can be deleted.
* - delete_published_posts - Controls whether published objects can be deleted.
* - delete_others_posts - Controls whether objects owned by other users can be
* can be deleted. If the post type does not support an author, then this will
* behave like delete_posts.
* - edit_private_posts - Controls whether private objects can be edited.
* - edit_published_posts - Controls whether published objects can be deleted.
*
* These additional capabilities are only used in map_meta_cap(). Thus, they are
* only assigned by default if the post type is registered with the 'map_meta_cap'
* argument set to true (default is false).
*
* @see map_meta_cap()
* @since 3.0.0
*
* @param object $args
* @param object $args Post type registration arguments
* @return object object with all the capabilities as member variables
*/
function get_post_type_capabilities( $args ) {
if ( ! is_array( $args->capability_type ) )
$args->capability_type = array( $args->capability_type, $args->capability_type . 's' );
// Singular base for meta capabilities, plural base for primitive capabilities.
list( $singular_base, $plural_base ) = $args->capability_type;
$default_capabilities = array(
// Meta capabilities are generally mapped to primitive capabilities depending on the context
// (which would be the post being edited/deleted/read), instead of granted to users or roles:
'edit_post' => 'edit_' . $args->capability_type,
'read_post' => 'read_' . $args->capability_type,
'delete_post' => 'delete_' . $args->capability_type,
// Primitive capabilities that are used outside of map_meta_cap():
'edit_posts' => 'edit_' . $args->capability_type . 's',
'edit_others_posts' => 'edit_others_' . $args->capability_type . 's',
'publish_posts' => 'publish_' . $args->capability_type . 's',
'read_private_posts' => 'read_private_' . $args->capability_type . 's',
// Meta capabilities
'edit_post' => 'edit_' . $singular_base,
'read_post' => 'read_' . $singular_base,
'delete_post' => 'delete_' . $singular_base,
// Primitive capabilities used outside of map_meta_cap():
'edit_posts' => 'edit_' . $plural_base,
'edit_others_posts' => 'edit_others_' . $plural_base,
'publish_posts' => 'publish_' . $plural_base,
'read_private_posts' => 'read_private_' . $plural_base,
);
// Primitive capabilities that are used within map_meta_cap():
// Primitive capabilities used within map_meta_cap():
if ( $args->map_meta_cap ) {
$default_capabilities_for_mapping = array(
'read' => 'read',
'delete_posts' => 'delete_' . $args->capability_type . 's',
'delete_private_posts' => 'delete_private_' . $args->capability_type . 's',
'delete_published_posts' => 'delete_published_' . $args->capability_type . 's',
'delete_others_posts' => 'delete_others_' . $args->capability_type . 's',
'edit_private_posts' => 'edit_private_' . $args->capability_type . 's',
'edit_published_posts' => 'edit_published_' . $args->capability_type . 's',
'delete_posts' => 'delete_' . $plural_base,
'delete_private_posts' => 'delete_private_' . $plural_base,
'delete_published_posts' => 'delete_published_' . $plural_base,
'delete_others_posts' => 'delete_others_' . $plural_base,
'edit_private_posts' => 'edit_private_' . $plural_base,
'edit_published_posts' => 'edit_published_' . $plural_base,
);
$default_capabilities = array_merge( $default_capabilities, $default_capabilities_for_mapping );
}