#1401 Add ModelChangeDetector

Fwk/AppFwk/cafProjectDataModel/cafPdmUiCore/CMakeLists.txt

@@ -28,6 +28,8 @@ set( PROJECT_FILES
     cafPdmUiFieldSpecialization.h
     cafPdmUiItem.cpp
     cafPdmUiItem.h
+    cafPdmUiModelChangeDetector.cpp
+    cafPdmUiModelChangeDetector.h
     cafPdmUiObjectEditorHandle.cpp
     cafPdmUiObjectEditorHandle.h
     cafPdmUiObjectHandle.cpp

Fwk/AppFwk/cafProjectDataModel/cafPdmUiCore/cafPdmUiFieldHandle.cpp

@@ -2,7 +2,7 @@
 
 #include "cafAssert.h"
 #include "cafPdmFieldHandle.h"
-
+#include "cafPdmUiModelChangeDetector.h"
 #include "cafPdmUiObjectHandle.h"
 
 namespace caf
@@ -38,6 +38,8 @@ void PdmUiFieldHandle::notifyFieldChanged(const QVariant& oldFieldValue, const Q
 
         // Update field editors
         this->updateConnectedEditors();
+
+        PdmUiModelChangeDetector::instance()->setModelIsChanged();
     }
 }
 

Fwk/AppFwk/cafProjectDataModel/cafPdmUiCore/cafPdmUiModelChangeDetector.cpp

@@ -0,0 +1,84 @@
+//##################################################################################################
+//
+//   Copyright (C) Ceetron Solutions AS
+//
+//   This library may be used under the terms of either the GNU General Public License or
+//   the GNU Lesser General Public License as follows:
+//
+//   GNU General Public License Usage
+//   This library 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.
+//
+//   This library 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 at <<http://www.gnu.org/licenses/gpl.html>>
+//   for more details.
+//
+//   GNU Lesser General Public License Usage
+//   This library is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU Lesser General Public License as published by
+//   the Free Software Foundation; either version 2.1 of the License, or
+//   (at your option) any later version.
+//
+//   This library 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 Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
+//   for more details.
+//
+//##################################################################################################
+
+#include "cafPdmUiModelChangeDetector.h"
+
+
+namespace caf {
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+PdmUiModelChangeDetector::PdmUiModelChangeDetector()
+    : m_modelIsChanged(false)
+{
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+PdmUiModelChangeDetector* PdmUiModelChangeDetector::instance()
+{
+    static PdmUiModelChangeDetector staticInstance;
+
+    return &staticInstance;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void PdmUiModelChangeDetector::setModelIsChanged()
+{
+    m_modelIsChanged = true;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void PdmUiModelChangeDetector::reset()
+{
+    m_modelIsChanged = false;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+bool PdmUiModelChangeDetector::isModelChanged() const
+{
+    return m_modelIsChanged;
+}
+
+} // end namespace caf

Fwk/AppFwk/cafProjectDataModel/cafPdmUiCore/cafPdmUiModelChangeDetector.h

@@ -0,0 +1,58 @@
+//##################################################################################################
+//
+//   Copyright (C) Ceetron Solutions AS
+//
+//   This library may be used under the terms of either the GNU General Public License or
+//   the GNU Lesser General Public License as follows:
+//
+//   GNU General Public License Usage
+//   This library 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.
+//
+//   This library 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 at <<http://www.gnu.org/licenses/gpl.html>>
+//   for more details.
+//
+//   GNU Lesser General Public License Usage
+//   This library is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU Lesser General Public License as published by
+//   the Free Software Foundation; either version 2.1 of the License, or
+//   (at your option) any later version.
+//
+//   This library 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 Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
+//   for more details.
+//
+//##################################################################################################
+
+#pragma once
+
+namespace caf 
+{
+
+class PdmUiModelChangeDetector
+{
+public:
+    static PdmUiModelChangeDetector* instance();
+
+    void setModelIsChanged();
+    void reset();
+    bool isModelChanged() const;
+
+private:
+    PdmUiModelChangeDetector();
+
+private:
+    bool m_modelIsChanged;
+};
+
+} // End of namespace caf
+