Path to database is now saved via QSettings object.

core/context.cpp

@@ -55,21 +55,50 @@ void Context::loadPlugins()
             }
         }
     }
+
+    QString dbPath = m_settings->value("db/path", "").toString();
+    if (!dbPath.isEmpty())
+    {
+        openDb(dbPath);
+    }
 }
 
 void Context::openDb(const QString &path)
 {
     if (m_db != NULL) {
         delete m_db;
+        m_dbOpened = false;
     }
 
     checkDb(path);
     m_db = new odb::sqlite::database(path.toStdString());
+    m_settings->setValue("db/path", path);
+    m_dbOpened = true;
+}
+
+void Context::destroy()
+{
+    if (m_db != NULL)
+    {
+        delete m_db;
+        m_db = NULL;
+        m_dbOpened = false;
+    }
+
+    delete m_settings;
+
+    foreach (IPlugin *plugin, m_plugins)
+    {
+        delete plugin;
+    }
+    m_plugins.clear();
 }
 
 Context::Context()
 {
     m_db = NULL;
+    m_settings = new QSettings("itsolved.cz", "prodejna");
+    m_dbOpened = false;
 }
 
 void Context::checkDb(const QString &path)