refs #933, utility class to start MCX and settings trait

src/blackmisc/simulation/modelconverterx.cpp

@@ -0,0 +1,74 @@
+/* Copyright (C) 2017
+ * 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.
+ */
+
+#include "blackconfig/buildconfig.h"
+#include "blackmisc/simulation/aircraftmodel.h"
+#include "blackmisc/logmessage.h"
+#include "modelconverterx.h"
+#include <QFile>
+#include <QDir>
+
+using namespace BlackConfig;
+using namespace BlackMisc;
+
+namespace BlackMisc
+{
+    namespace Simulation
+    {
+        QProcess *CModelConverterX::s_proccess = nullptr;
+
+        bool CModelConverterX::supportsModelConverterX()
+        {
+            if (!CBuildConfig::isRunningOnWindowsNtPlatform()) { return false; }
+            return !getBinary().isEmpty();
+        }
+
+        QProcess *CModelConverterX::startModelConverterX(const CAircraftModel &model, QObject *parent)
+        {
+            // checks
+            if (model.getFileName().isEmpty()) { return nullptr; }
+            const QString modelConverterX = getBinary();
+            if (modelConverterX.isEmpty()) { return nullptr; }
+
+            // delete other MCX
+            if (s_proccess)
+            {
+                QProcess *old = s_proccess;
+                s_proccess = nullptr;
+                if (old->state() == QProcess::Running)
+                {
+                    // if still running, terminate and then delete
+                    QObject::connect(old, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished), old, &QObject::deleteLater);
+                    old->terminate();
+                }
+                else
+                {
+                    old->deleteLater();
+                }
+            }
+
+            QProcess *process = new QProcess(parent);
+            const QString argument = QDir::toNativeSeparators(model.getFileName());
+            process->setProgram(modelConverterX);
+            process->setArguments({argument});
+            process->start();
+            s_proccess = process;
+            return process;
+        }
+
+        QString CModelConverterX::getBinary()
+        {
+            static const BlackMisc::CSettingReadOnly<TModelConverterXBinary> setting(new QObject());
+            const QString mcx = setting.get();
+            if (mcx.isEmpty()) return "";
+            const QFile f(mcx);
+            return (f.exists()) ? mcx : "";
+        }
+    } // ns
+} // ns

src/blackmisc/simulation/modelconverterx.h

@@ -0,0 +1,64 @@
+/* Copyright (C) 2017
+ * 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_SIMULATION_MODELCONVERTERX_H
+#define BLACKMISC_SIMULATION_MODELCONVERTERX_H
+
+#include "blackmisc/blackmiscexport.h"
+#include "blackmisc/settingscache.h"
+#include <QProcess>
+#include <QString>
+#include <QFile>
+
+namespace BlackMisc
+{
+    namespace Simulation
+    {
+        class CAircraftModel;
+
+        //! Simple utility class to support ModelConverterX integration.
+        class BLACKMISC_EXPORT CModelConverterX
+        {
+        public:
+            //! Default constructor
+            CModelConverterX() = delete;
+
+            //! Guess a default simulator based on installation
+            static bool supportsModelConverterX();
+
+            //! Start ModelConverterX for given model
+            static QProcess *startModelConverterX(const CAircraftModel &model, QObject *parent);
+
+        private:
+            //! Get the binary
+            static QString getBinary();
+
+            static QProcess *s_proccess; //!< 0..1 process running
+        };
+
+        //! Binary of MCX
+        struct TModelConverterXBinary : public BlackMisc::TSettingTrait<QString>
+        {
+            //! \copydoc BlackMisc::TSettingTrait::key
+            static const char *key() { return "mapping/modelconverterxbin"; }
+
+            //! \copydoc BlackMisc::TSettingTrait::isValid
+            static bool isValid(const QString &value)
+            {
+                if (value.isEmpty()) { return true; }
+                const QFile f(value);
+                return f.exists();
+            }
+        };
+    } // ns
+} // ns
+
+#endif // guard