Verify all ancestors when building object model.

git-svn-id: http://voip.null.ro/svn/ansql/trunk@206 dbfed7de-b0aa-0410-b6a1-c7e608b77fc9

framework.php

@@ -2455,8 +2455,7 @@ static function init()
 		//print "default_identifier=$default_identifier\n";
 		foreach ($classes as $class)
 		{
-			// calling static class methods is done using an array("class","method")		
-			if (get_parent_class($class) == "Model" || get_parent_class(get_parent_class($class)) == "Model")
+			if (self::checkAncestors($class))
 			{
 				$vars = null;
 				if (!method_exists($class,"variables"))
@@ -2486,6 +2485,22 @@ static function init()
 		}
 	}
 
+	/**
+	 * Check class ancestors to see if one of them is Model
+	 * @param $class String
+	 * @return Bool
+	 */
+	static function checkAncestors($class)
+	{
+		$parent = get_parent_class($class);
+
+		if ($parent=="Model")
+			return true;
+		elseif (!$parent)
+			return false;
+		return self::checkAncestors($parent);
+	}
+
 	/**
 	 * Get the identifier of the current database connection
 	 * @return String representing the db identifier