Merge commit '57dc92e0' into reorg_dirs

GUI/mainwindow/ProjectManagerStore.cpp

+//  ************************************************************************************************
+//
+//  BornAgain: simulate and fit reflection and scattering
+//
+//! @file      GUI/mainwindow/AppSvc.cpp
+//! @brief     Implements class AppSvc
+//!
+//! @homepage  http://www.bornagainproject.org
+//! @license   GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2018
+//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+//  ************************************************************************************************
+
+#include "GUI/mainwindow/AppSvc.h"
+#include "GUI/Models/Error.h"
+
+ProjectManager* AppSvc::projectManager()
+{
+    return instance().this_projectManager();
+}
+
+void AppSvc::subscribe(ProjectManager* projectManager)
+{
+    return instance().this_subscribe(projectManager);
+}
+
+void AppSvc::unsubscribe(ProjectManager* projectManager)
+{
+    instance().this_unsubscribe(projectManager);
+}
+
+MaterialModel* AppSvc::materialModel()
+{
+    return instance().this_materialModel();
+}
+
+void AppSvc::subscribe(MaterialModel* materialModel)
+{
+    return instance().this_subscribe(materialModel);
+}
+
+void AppSvc::unsubscribe(MaterialModel* materialModel)
+{
+    instance().this_unsubscribe(materialModel);
+}
+
+AppSvc::AppSvc() : m_projectManager(nullptr), m_materialModel(nullptr) {}
+
+ProjectManager* AppSvc::this_projectManager()
+{
+    if (!m_projectManager)
+        throw Error("AppSvc::projectManager() -> Error. Attempt to access "
+                    "non existing ProjectManager.");
+
+    return m_projectManager;
+}
+
+MaterialModel* AppSvc::this_materialModel()
+{
+    return m_materialModel;
+}
+
+void AppSvc::this_subscribe(ProjectManager* projectManager)
+{
+    if (m_projectManager != nullptr)
+        throw Error("AppSvc::projectManager() -> Error. Attempt to subscribe "
+                    "ProjectManager twice.");
+
+    m_projectManager = projectManager;
+}
+
+void AppSvc::this_unsubscribe(ProjectManager* projectManager)
+{
+    if (m_projectManager != projectManager)
+        throw Error("AppSvc::projectManager() -> Error. Attempt to unsubscribe "
+                    "ProjectManager before it was subscribed.");
+
+    m_projectManager = nullptr;
+}
+
+void AppSvc::this_subscribe(MaterialModel* materialModel)
+{
+    if (m_materialModel)
+        throw Error("AppSvc::projectManager() -> Error. Attempt to subscribe "
+                    "MaterialModel twice.");
+
+    m_materialModel = materialModel;
+}
+
+void AppSvc::this_unsubscribe(MaterialModel* materialModel)
+{
+    if (m_materialModel != materialModel)
+        throw Error("AppSvc::projectManager() -> Error. Attempt to unsubscribe "
+                    "MaterialModel before it was subscribed.");
+
+    m_materialModel = nullptr;
+}

GUI/mainwindow/ProjectManagerStore.h

+//  ************************************************************************************************
+//
+//  BornAgain: simulate and fit reflection and scattering
+//
+//! @file      GUI/mainwindow/AppSvc.h
+//! @brief     Defines class AppSvc
+//!
+//! @homepage  http://www.bornagainproject.org
+//! @license   GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2018
+//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+//  ************************************************************************************************
+
+#ifndef BORNAGAIN_GUI_MAINWINDOW_APPSVC_H
+#define BORNAGAIN_GUI_MAINWINDOW_APPSVC_H
+
+#include "GUI/Models/ISingleton.h"
+
+class ProjectManager;
+class MaterialModel;
+
+//! The AppSvc class provides common access for key components of the GUI.
+
+class AppSvc : public ISingleton<AppSvc> {
+    friend class ISingleton<AppSvc>;
+
+public:
+    static ProjectManager* projectManager();
+    static void subscribe(ProjectManager* projectManager);
+    static void unsubscribe(ProjectManager* projectManager);
+
+    static MaterialModel* materialModel();
+    static void subscribe(MaterialModel* materialModel);
+    static void unsubscribe(MaterialModel* materialModel);
+
+private:
+    AppSvc();
+    ProjectManager* this_projectManager();
+    MaterialModel* this_materialModel();
+    void this_subscribe(ProjectManager* projectManager);
+    void this_unsubscribe(ProjectManager* projectManager);
+    void this_subscribe(MaterialModel* materialModel);
+    void this_unsubscribe(MaterialModel* materialModel);
+
+    ProjectManager* m_projectManager;
+    MaterialModel* m_materialModel;
+};
+
+#endif // BORNAGAIN_GUI_MAINWINDOW_APPSVC_H