Changeset 15955 for trunk/wp-admin/includes/class-wp-list-table.php

Timestamp:

10/25/2010 02:57:43 AM (14 years ago)

Author:

nacin

Message:

Introduce require_list_table(), rework get_list_table() calls, split default-list-tables into individual files. see #14579.

File:

• trunk/wp-admin/includes/class-wp-list-table.php (modified) (1 diff)

trunk/wp-admin/includes/class-wp-list-table.php

@@ -816 +816 @@
  * @since 3.1.0
  *
- * @param string $type The type of the list table
- * @return object
+ * @param string $class The type of the list table, which is the class name except for core list tables.
+ * @return object|bool Object on success, false if the class does not exist.
  */
-function get_list_table( $type ) {
-    require_once( ABSPATH . '/wp-admin/includes/default-list-tables.php' );
-    // Temp
-    require_once( ABSPATH . '/wp-admin/includes/list-table-posts.php' );
-
-    $class = 'WP_' . strtr( ucwords( strtr( $type, '-', ' ') ), ' ', '_' ) . '_Table';
-    $class = apply_filters( "get_list_table_$type", $class );
-
-    return new $class;
+function get_list_table( $class ) {
+    $class = apply_filters( "get_list_table_$class", $class );
+
+    require_list_table( $class );
+
+    if ( class_exists( $class ) )
+        return new $class;
+    return false;
 }
 
+/**
+ * Include the proper file for a core list table.
+ *
+ * Useful for extending a core class that would not otherwise be required.
+ *
+ * @since 3.1.0
+ *
+ * @param string $table The core table to include.
+ * @return bool True on success, false on failure.
+ */
+function require_list_table( $class ) {
+    $core_classes = array( 'WP_Posts_Table' => 'posts', 'WP_Media_Table' => 'media', 'WP_Terms_Table' => 'terms',
+        'WP_Users_Table' => 'users', 'WP_Comments_Table' => 'comments', 'WP_Post_Comments_Table' => 'comments',
+        'WP_Links_Table' => 'links', 'WP_Sites_Table' => 'sites', 'WP_MS_Users_Table' => 'ms-users',
+        'WP_Plugins_Table' => 'plugins', 'WP_Plugin_Install_Table' => 'plugin-install', 'WP_Themes_Table' => 'themes',
+        'WP_Theme_Install_Table' => 'theme-install' );
+
+    if ( isset( $core_classes[ $class ] ) ) {
+        require_once( ABSPATH . '/wp-admin/includes/list-table-' . $core_classes[ $class ] . '.php' );
+        return true;
+    }
+    return false;
+}
+
+?>