refs #535, allow acces to mapping component is sub components

* aware classe
* using aware class in mapping component

src/blackgui/components/dbmappingcomponentaware.cpp

@@ -0,0 +1,27 @@
+/* Copyright (C) 2015
+ * swift project Community / Contributors
+ *
+ * This file is part of swift Project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "dbmappingcomponent.h"
+#include "dbmappingcomponentaware.h"
+
+namespace BlackGui
+{
+    namespace Components
+    {
+        CDbMappingComponentAware::CDbMappingComponentAware(QObject *parent)
+        {
+            // if we get a mapping component we use it
+            if (!parent) { return; }
+            if (!parent->isWidgetType()) { return; }
+            CDbMappingComponent *m = qobject_cast<CDbMappingComponent *>(parent);
+            if (!m) { return; }
+            m_mappingComponent = m;
+        }
+    } // ns
+} // ns