我正在编写一个创建自定义post_type的插件。我也喜欢这个插件来创建一个自定义角色,只能添加/编辑/删除新的post_type。我已经尝试了几个插件(Role Scoper,高级访问管理器),它们允许我重新定义或创建新角色,但是它们不允许我分配特定于新post_type的功能。例如,我想允许添加/编辑我的新post_type但不是正常的帖子/页面。
根据我的阅读,我可以使用add_role()功能添加新角色。该函数的一个参数是“功能”数组,似乎是定义here。我认为我需要的是能够添加我的post_type特有的功能。这可能吗?
答案 0 :(得分:23)
函数register_post_type()
将$capabilities
数组作为其(可选)参数之一。
看起来像这样:
$capabilities = array(
'publish_posts' => 'publish_ypts',
'edit_posts' => 'edit_ypts',
'edit_others_posts' => 'edit_others_ypts',
'delete_posts' => 'delete_ypts',
'delete_others_posts' => 'delete_others_ypts',
'read_private_posts' => 'read_private_ypts',
'edit_post' => 'edit_ypt',
'delete_post' => 'delete_ypt',
'read_post' => 'read_ypt'
);
其中“ypt”代表“你的帖子类型”。
此后,您可以为具有这些确切功能的WordPress添加新角色(可能还有一些标准的WordPress功能):
add_role(
'ypt_author',
'Author of your post type',
array(
'publish_ypts' => true,
'edit_ypts' => true,
'edit_others_ypts' => true,
'delete_ypts' => true,
'delete_others_ypts' => true,
'read_private_ypts' => true,
'edit_ypt' => true,
'delete_ypt' => true,
'read_ypt' => true,
// more standard capabilities here
)
);
后者可以使用插件完成,例如,查看Justin Tadlock的Members插件。
为您提供一个更具体的例子:
/* REGISTER POST TYPE */
add_action('init', 'ypt_register');
function ypt_register()
{
$labels = array(
'name' => _x('YPTs', 'post type general name'),
'singular_name' => _x('YPT', 'post type singular name'),
'add_new' => _x('Add New YPT', 'Team item'),
'add_new_item' => __('Add a new post of type YPT'),
'edit_item' => __('Edit YPT'),
'new_item' => __('New YPT'),
'view_item' => __('View YPT'),
'search_items' => __('Search YPTs'),
'not_found' => __('No YPTs found'),
'not_found_in_trash' => __('No YPTs currently trashed'),
'parent_item_colon' => ''
);
$capabilities = array(
// this is where the first code block from above goes
);
$args = array(
'labels' => $labels,
'public' => true,
'publicly_queryable' => true,
'show_ui' => true,
'query_var' => true,
'rewrite' => true,
'capability_type' => 'ypt',
'capabilities' => $capabilities,
'hierarchical' => false,
'menu_position' => null,
'supports' => array( 'title', 'author', 'thumbnail' )
);
register_post_type( 'ypt' , $args );
flush_rewrite_rules( false );
}
/* MAP META CAPABILITIES */
add_filter( 'map_meta_cap', 'ypt_map_meta_cap', 10, 4 );
function ypt_map_meta_cap( $caps, $cap, $user_id, $args )
{
if ( 'edit_ypt' == $cap || 'delete_ypt' == $cap || 'read_ypt' == $cap ) {
$post = get_post( $args[0] );
$post_type = get_post_type_object( $post->post_type );
$caps = array();
}
if ( 'edit_ypt' == $cap ) {
if ( $user_id == $post->post_author )
$caps[] = $post_type->cap->edit_posts;
else
$caps[] = $post_type->cap->edit_others_posts;
}
elseif ( 'delete_ypt' == $cap ) {
if ( $user_id == $post->post_author )
$caps[] = $post_type->cap->delete_posts;
else
$caps[] = $post_type->cap->delete_others_posts;
}
elseif ( 'read_ypt' == $cap ) {
if ( 'private' != $post->post_status )
$caps[] = 'read';
elseif ( $user_id == $post->post_author )
$caps[] = 'read';
else
$caps[] = $post_type->cap->read_private_posts;
}
return $caps;
}
答案 1 :(得分:17)
如今(WP 3.5+),它更容易。只需将map_meta_cap
参数设置为TRUE
,并在注册帖子类型时为string
参数选择capability_type
(通常是帖子类型名称)。
简单的var_dump( $GLOBALS['wp_post_types']['new_custom_post_type'] ) );
会向您显示以下内容。
[cap] => stdClass Object
(
[edit_post] => "edit_{$capability_type}"
[read_post] => "read_{$capability_type}"
[delete_post] => "delete_{$capability_type}"
[edit_posts] => "edit_{$capability_type}s"
[edit_others_posts] => "edit_others_{$capability_type}s"
[publish_posts] => "publish_{$capability_type}s"
[read_private_posts] => "read_private_{$capability_type}s"
[delete_posts] => "delete_{$capability_type}s"
[delete_private_posts] => "delete_private_{$capability_type}s"
[delete_published_posts] => "delete_published_{$capability_type}s"
[delete_others_posts] => "delete_others_{$capability_type}s"
[edit_private_posts] => "edit_private_{$capability_type}s"
[edit_published_posts] => "edit_published_{$capability_type}s"
)
更多目标数组部分是其他七个原语功能,它们未经核心检查,但在帖子类型注册期间由map_meta_caps()
映射。