Added UnifiedResourcesProvider which merges multiple ResourcesDB's and

offers one unified database.

src/core/unified_resources_provider.cpp

@@ -0,0 +1,71 @@
+/*
+ * unified_resources_provider.cpp - implementation of UnifiedResourcesProvider
+ *
+ * Copyright (c) 2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
+ * 
+ * This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program (see COPYING); if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA.
+ *
+ */
+
+
+#include <QtCore/QDir>
+
+#include "unified_resources_provider.h"
+#include "resources_db.h"
+
+
+UnifiedResourcesProvider::UnifiedResourcesProvider() :
+	ResourcesProvider( QString() )
+{
+	database()->init();
+}
+
+
+
+
+void UnifiedResourcesProvider::addDatabase( ResourcesDB * _db )
+{
+	ResourcesTreeItem * childRoot = _db->topLevelNode()->getChild( 0 );
+	if( childRoot )
+	{
+		m_mergedDatabases << _db;
+		connect( _db, SIGNAL( itemsChanged() ),
+				this, SIGNAL( itemsChanged() ) );
+
+		childRoot->setParent( database()->topLevelNode() );
+		database()->topLevelNode()->addChild( childRoot );
+	}
+}
+
+
+
+
+void UnifiedResourcesProvider::updateDatabase( void )
+{
+	foreach( ResourcesDB * db, m_mergedDatabases )
+	{
+		db->provider()->updateDatabase();
+	}
+}
+
+
+
+
+
+#include "moc_unified_resources_provider.cxx"
+