Namespaces updates

Small tweaks and carry through of methods used in other core object classes to identify protected data keys

core/lexicon/en/namespace.inc.php

@@ -18,7 +18,7 @@
 $_lang['namespace_name_desc'] = 'Specify a name for the Namespace here.';
 $_lang['namespace_path'] = 'Core Path';
 $_lang['namespace_path_desc'] = 'Specify an absolute path to the core for this Namespace here. You may use placeholders like {core_path}. Example: {core_path}components/democomponent/';
-$_lang['namespace_remove_confirm'] = 'Are you sure you want to delete "[[+name]]" namespace and all related content?';
+$_lang['namespace_remove_confirm'] = 'Are you sure you want to delete the "[[+name]]" namespace and all related content?';
 $_lang['namespace_remove_multiple_confirm'] = 'Are you sure you want to delete these namespaces and all their related content?';
 $_lang['namespaces'] = 'Namespaces';
 $_lang['namespaces_desc'] = 'Namespaces are global identifiers for packages and components, registering their vehicles, lexicon entries and resources all together.';

core/src/Revolution/modNamespace.php

@@ -27,6 +27,8 @@
  */
 class modNamespace extends modAccessibleObject
 {
+    public const NAMESPACE_CORE = 'core';
+
     public function save($cacheFlag = null)
     {
         $saved = parent::save();
@@ -157,4 +159,26 @@ public function findPolicy($context = '')
 
         return $policy;
     }
+
+    /**
+     * Returns a list of core Namespaces
+     *
+     * @return array
+     */
+    public static function getCoreNamespaces()
+    {
+        return [
+            self::NAMESPACE_CORE
+        ];
+    }
+
+    /**
+     * @param string $key The key of the Context
+     *
+     * @return bool
+     */
+    public function isCoreNamespace($key)
+    {
+        return in_array($key, static::getCoreNamespaces(), true);
+    }
 }