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Posts, Post Types: Add support for post type templates.

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WordPress has supported custom page templates for over 12 years, allowing developers to create various layouts for specific pages.
While this feature is very helpful, it has always been limited to the 'page' post type and not was not available to other post types.

By opening up the page template functionality to all post types, we continue to improve the template hierarchy's flexibility.

In addition to the `Template Name` file header, the post types supported by a template can be specified using `Template Post Type: post, foo, bar`.
When at least one template exists for a post type, the 'Post Attributes' meta box will be displayed in the back end, without the need to add post type support for `'page-attributes'`. 'Post Attributes' can be customized per post type using the `'attributes'` label when registering a post type.

Props johnbillion, Mte90, dipesh.kakadiya, swissspidy.
Fixes #18375.

git-svn-id: https://develop.svn.wordpress.org/trunk@38951 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Pascal Birchler
2016-10-26 08:06:43 +00:00
parent ee14487043
commit a9516abb54
18 changed files with 391 additions and 150 deletions
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7
src/wp-includes/post.php
View File

@@ -66,6 +66,7 @@ function create_initial_post_types() {
'add_new' => _x( 'Add New', 'add new media' ),
'edit_item' => __( 'Edit Media' ),
'view_item' => __( 'View Attachment Page' ),
'attributes' => __( 'Attachment Attributes' ),
),
'public' => true,
'show_ui' => true,
@@ -1326,6 +1327,7 @@ function _post_type_meta_capabilities( $capabilities = null ) {
* post types. Default is 'Parent Page:'.
* - `all_items` - Label to signify all items in a submenu link. Default is 'All Posts' / 'All Pages'.
* - `archives` - Label for archives in nav menus. Default is 'Post Archives' / 'Page Archives'.
* - `attributes` - Label for the attributes meta box. Default is 'Post Attributes' / 'Page Attributes'.
* - `insert_into_item` - Label for the media frame button. Default is 'Insert into post' / 'Insert into page'.
* - `uploaded_to_this_item` - Label for the media frame filter. Default is 'Uploaded to this post' /
* 'Uploaded to this page'.
@@ -1351,7 +1353,7 @@ function _post_type_meta_capabilities( $capabilities = null ) {
* @since 4.4.0 Added the `insert_into_item`, `uploaded_to_this_item`, `filter_items_list`,
* `items_list_navigation`, and `items_list` labels.
* @since 4.6.0 Converted the `$post_type` parameter to accept a WP_Post_Type object.
* @since 4.7.0 Added the `view_items` label.
* @since 4.7.0 Added the `view_items` and `attributes` labels.
*
* @access private
*
@@ -1374,6 +1376,7 @@ function get_post_type_labels( $post_type_object ) {
'parent_item_colon' => array( null, __('Parent Page:') ),
'all_items' => array( __( 'All Posts' ), __( 'All Pages' ) ),
'archives' => array( __( 'Post Archives' ), __( 'Page Archives' ) ),
'attributes' => array( __( 'Post Attributes' ), __( 'Page Attributes' ) ),
'insert_into_item' => array( __( 'Insert into post' ), __( 'Insert into page' ) ),
'uploaded_to_this_item' => array( __( 'Uploaded to this post' ), __( 'Uploaded to this page' ) ),
'featured_image' => array( __( 'Featured Image' ), __( 'Featured Image' ) ),
@@ -3393,7 +3396,7 @@ function wp_insert_post( $postarr, $wp_error = false ) {
$post = get_post( $post_ID );
if ( ! empty( $postarr['page_template'] ) && 'page' == $data['post_type'] ) {
if ( ! empty( $postarr['page_template'] ) ) {
$post->page_template = $postarr['page_template'];
$page_templates = wp_get_theme()->get_page_templates( $post );
if ( 'default' != $postarr['page_template'] && ! isset( $page_templates[ $postarr['page_template'] ] ) ) {