refs #325, refs #330 fixed apply method to return list of changed properties

* changed CValueObject apply
* created CIndexPropertyList
* renamed CIndexVariantMap to CPropertyIndexVariantMap

src/blackmisc/propertyindexlist.h

@@ -0,0 +1,50 @@
+/* Copyright (C) 2013
+ * 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.
+ */
+
+//! \file
+
+#ifndef BLACKMISC_PROPERTYINDEXLIST_H
+#define BLACKMISC_PROPERTYINDEXLIST_H
+
+#include "propertyindex.h"
+#include "collection.h"
+#include "sequence.h"
+#include <QList>
+
+namespace BlackMisc
+{
+    /*!
+     * Value object encapsulating a list of property indexes.
+     */
+    class CPropertyIndexList : public CSequence<CPropertyIndex>
+    {
+    public:
+        //! Default constructor.
+        CPropertyIndexList();
+
+        //! Construct from a base class object.
+        CPropertyIndexList(const CSequence<CPropertyIndex> &other);
+
+        //! \copydoc CValueObject::toQVariant
+        virtual QVariant toQVariant() const override { return QVariant::fromValue(*this); }
+
+        //! \copydoc CValueObject::convertFromQVariant
+        virtual void convertFromQVariant(const QVariant &variant) override { BlackMisc::setFromQVariant(this, variant); }
+
+        //! Register metadata
+        static void registerMetadata();
+    };
+
+} //namespace
+
+Q_DECLARE_METATYPE(BlackMisc::CPropertyIndexList)
+Q_DECLARE_METATYPE(BlackMisc::CCollection<BlackMisc::CPropertyIndex>)
+Q_DECLARE_METATYPE(BlackMisc::CSequence<BlackMisc::CPropertyIndex>)
+
+#endif //guard