Added option to export database

Fixed problem with native key transform

src/Kp2aBusinessLogic/DataExchange/PwExportInfo.cs

@@ -0,0 +1,82 @@
+/*
+  KeePass Password Safe - The Open-Source Password Manager
+  Copyright (C) 2003-2013 Dominik Reichl <dominik.reichl@t-online.de>
+
+  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; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+using KeePassLib;
+
+namespace KeePass.DataExchange
+{
+	public sealed class PwExportInfo
+	{
+		private PwGroup m_pg;
+		/// <summary>
+		/// This group contains all entries and subgroups that should
+		/// be exported. Is never <c>null</c>.
+		/// </summary>
+		public PwGroup DataGroup
+		{
+			get { return m_pg; }
+		}
+
+		private PwDatabase m_pd;
+		/// <summary>
+		/// Optional context database reference. May be <c>null</c>.
+		/// </summary>
+		public PwDatabase ContextDatabase
+		{
+			get { return m_pd; }
+		}
+
+		private bool m_bExpDel = true;
+		/// <summary>
+		/// Indicates whether deleted objects should be exported, if
+		/// the data format supports it.
+		/// </summary>
+		public bool ExportDeletedObjects
+		{
+			get { return m_bExpDel; }
+		}
+
+		public PwExportInfo(PwGroup pgDataSource, PwDatabase pwContextInfo)
+		{
+			ConstructEx(pgDataSource, pwContextInfo, null);
+		}
+
+		public PwExportInfo(PwGroup pgDataSource, PwDatabase pwContextInfo,
+			bool bExportDeleted)
+		{
+			ConstructEx(pgDataSource, pwContextInfo, bExportDeleted);
+		}
+
+		private void ConstructEx(PwGroup pgDataSource, PwDatabase pwContextInfo,
+			bool? bExportDeleted)
+		{
+			if(pgDataSource == null) throw new ArgumentNullException("pgDataSource");
+			// pwContextInfo may be null.
+
+			m_pg = pgDataSource;
+			m_pd = pwContextInfo;
+
+			if(bExportDeleted.HasValue) m_bExpDel = bExportDeleted.Value;
+		}
+	}
+}