Add Snapshot feature

Add ChangeDatabase() method
Add GetDatabaseHome() and GetDatabaseFile()

src/view/SnapshotsDialog.hpp

@@ -0,0 +1,49 @@
+/*
+  Copyright 2010-2012 Grégory Soutadé
+
+  This file is part of KissCount.
+
+  KissCount 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 3 of the License, or
+  (at your option) any later version.
+
+  KissCount 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 KissCount.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef SNAPSHOTSDIALOG_H
+#define SNAPSHOTSDIALOG_H
+
+#include <QDialog>
+#include <QListWidget>
+
+#include "wxUI.hpp"
+
+class SnapshotsDialog : public QDialog
+{
+    Q_OBJECT;
+    
+public: 
+    SnapshotsDialog(KissCount* kiss, wxUI *parent);
+
+private slots:  
+    void OnOK();
+    void OnCreate();
+    void OnDelete();
+    void OnBackTo();
+
+private:
+    KissCount* _kiss;
+    wxUI* _wxUI;
+    QListWidget* _snapshots;
+    // QLineEdit* _oldSnapshots, *_newSnapshots, *_confirmSnapshots;
+
+    void LoadFiles();
+};
+#endif