Ref T442, moved tree model into own class

* columns can be used as with list model
* own class/file

src/blackgui/models/atcstationtreemodel.h

@@ -0,0 +1,58 @@
+/* Copyright (C) 2018
+ * 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 BLACKGUI_MODELS_ATCTREEMODEL_H
+#define BLACKGUI_MODELS_ATCTREEMODEL_H
+
+#include "columns.h"
+#include "blackmisc/aviation/atcstationlist.h"
+#include "blackgui/blackguiexport.h"
+
+#include <QStandardItemModel>
+#include <QHash>
+
+namespace BlackGui
+{
+    namespace Models
+    {
+        //! ATC list model
+        class BLACKGUI_EXPORT CAtcStationTreeModel : public QStandardItemModel
+        {
+            Q_OBJECT
+
+        public:
+            //! Constructor
+            explicit CAtcStationTreeModel(QObject *parent = nullptr);
+
+            //! Destructor
+            virtual ~CAtcStationTreeModel() override {}
+
+            //! Set station mode
+            void setColumns(const CColumns &columns) { m_columns.setColumns(columns); }
+
+            //! Update container
+            void updateContainer(const BlackMisc::Aviation::CAtcStationList &stations);
+
+            //! Get container
+            const BlackMisc::Aviation::CAtcStationList &container() const { return m_stations; }
+
+            //! Used to quickly update single station (better response for the user)
+            void changedAtcStationConnectionStatus(const BlackMisc::Aviation::CAtcStation &station, bool added);
+
+        private:
+            CColumns m_columns { "CAtcStationTreeModel" };
+            BlackMisc::Aviation::CAtcStationList m_stations;
+            QHash<QString, BlackMisc::Aviation::CAtcStationList> m_stationsBySuffix;
+            QStringList m_suffixes;
+        };
+    } // ns
+} // ns
+#endif // guard