Toolbar: Add a 'View Posts' link to the toolbar when on the post listing screen.

This adds a new link to visit the post type archive if the post type supports it. Also introduces a new `view_items` label to `get_post_type_labels()`.

Props paulwilde, akibjorklund, swissspidy.
Fixes #34113.
Built from https://develop.svn.wordpress.org/trunk@38634


git-svn-id: http://core.svn.wordpress.org/trunk@38577 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/admin-bar.php

@@ -577,6 +577,17 @@ function wp_admin_bar_edit_menu( $wp_admin_bar ) {
 					'href' => get_permalink( $post->ID )
 				) );
 			}
+		} elseif ( 'edit' == $current_screen->base
+ 			&& ( $post_type_object = get_post_type_object( $current_screen->post_type ) )
+ 			&& ( $post_type_object->public )
+ 			&& ( $post_type_object->show_in_admin_bar )
+ 			&& ( get_post_type_archive_link( $post_type_object->name ) ) )
+ 		{
+ 			$wp_admin_bar->add_node( array(
+ 				'id' => 'archive',
+ 				'title' => $post_type_object->labels->view_items,
+ 				'href' => get_post_type_archive_link( $current_screen->post_type )
+ 			) );
 		} elseif ( 'term' == $current_screen->base
 			&& isset( $tag ) && is_object( $tag ) && ! is_wp_error( $tag )
 			&& ( $tax = get_taxonomy( $tag->taxonomy ) )

wp-includes/post.php

@@ -1234,6 +1234,7 @@ function _post_type_meta_capabilities( $capabilities = null ) {
  * - `edit_item` - Label for editing a singular item. Default is 'Edit Post' / 'Edit Page'.
  * - `new_item` - Label for the new item page title. Default is 'New Post' / 'New Page'.
  * - `view_item` - Label for viewing a singular item. Default is 'View Post' / 'View Page'.
+ * - `view_items` - Label for viewing post type archives. Default is 'View Posts' / 'View Pages'.
  * - `search_items` - Label for searching plural items. Default is 'Search Posts' / 'Search Pages'.
  * - `not_found` - Label used when no items are found. Default is 'No posts found' / 'No pages found'.
  * - `not_found_in_trash` - Label used when no items are in the trash. Default is 'No posts found in Trash' /
@@ -1267,6 +1268,7 @@ 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.
  *
  * @access private
  *
@@ -1282,6 +1284,7 @@ function get_post_type_labels( $post_type_object ) {
 		'edit_item' => array( __('Edit Post'), __('Edit Page') ),
 		'new_item' => array( __('New Post'), __('New Page') ),
 		'view_item' => array( __('View Post'), __('View Page') ),
+		'view_items' => array( __('View Posts'), __('View Pages') ),
 		'search_items' => array( __('Search Posts'), __('Search Pages') ),
 		'not_found' => array( __('No posts found.'), __('No pages found.') ),
 		'not_found_in_trash' => array( __('No posts found in Trash.'), __('No pages found in Trash.') ),

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38633';
+$wp_version = '4.7-alpha-38634';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.