#2361 AppFwk : Add cafFilePath and conversion to QVariant

Fwk/AppFwk/cafProjectDataModel/cafPdmCore/CMakeLists.txt

@@ -39,12 +39,15 @@ set( PROJECT_FILES
     cafPdmReferenceHelper.h
     cafPdmUiFieldHandleInterface.h
     cafPdmValueField.h
+    cafInternalPdmValueFieldSpecializations.h 
 
     cafNotificationCenter.cpp
     cafNotificationCenter.h
 
     cafTristate.cpp
     cafTristate.h
+    cafFilePath.cpp
+    cafFilePath.h
 )
 
 

Fwk/AppFwk/cafProjectDataModel/cafPdmCore/cafFilePath.cpp

@@ -0,0 +1,67 @@
+#include "cafFilePath.h"
+
+#include <QTextStream>
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+caf::FilePath::FilePath() {}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+caf::FilePath::FilePath(const QString& filePath) : m_filePath(filePath) {}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+QString caf::FilePath::path() const
+{
+    return m_filePath;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void caf::FilePath::setPath(const QString& filePath)
+{
+    m_filePath = filePath;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void caf::FilePath::operator=(const FilePath& other)
+{
+    m_filePath = other.m_filePath;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+bool caf::FilePath::operator==(const FilePath& other) const
+{
+    return m_filePath == other.m_filePath;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+QTextStream& operator>>(QTextStream& str, caf::FilePath& filePath)
+{
+    QString text;
+    str >> text;
+    filePath.setPath(text);
+
+    return str;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+QTextStream& operator<<(QTextStream& str, const caf::FilePath& filePath)
+{
+    str << filePath.path();
+
+    return str;
+}

Fwk/AppFwk/cafProjectDataModel/cafPdmCore/cafFilePath.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <QMetaType>
+
+class QTextStream;
+
+namespace caf
+{
+//==================================================================================================
+//
+//==================================================================================================
+class FilePath
+{
+public:
+    FilePath();
+    FilePath(const QString& filePath);
+
+    QString path() const;
+    void    setPath(const QString& valueText);
+
+    void operator=(const FilePath& other);
+    bool operator==(const FilePath& other) const;
+
+private:
+    QString m_filePath;
+};
+
+} // end namespace caf
+
+//==================================================================================================
+// Overload of QTextStream
+//==================================================================================================
+QTextStream& operator>>(QTextStream& str, caf::FilePath& filePath);
+QTextStream& operator<<(QTextStream& str, const caf::FilePath& filePath);
+
+Q_DECLARE_METATYPE(caf::FilePath);

Fwk/AppFwk/cafProjectDataModel/cafPdmCore/cafInternalPdmValueFieldSpecializations.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "cafAppEnum.h"
+#include "cafFilePath.h"
 #include "cafPdmPointer.h"
 
 #include <vector>
@@ -141,4 +142,27 @@ public:
     }
 };
 
+//==================================================================================================
+/// Partial specialization for caf::FilePath
+//==================================================================================================
+template <>
+class PdmValueFieldSpecialization<FilePath>
+{
+public:
+    static QVariant convert(const FilePath& value)
+    {
+        return QVariant(value.path());
+    }
+
+    static void setFromVariant(const QVariant& variantValue, FilePath& value)
+    {
+        value.setPath(variantValue.toString());
+    }
+ 
+    static bool isEqual(const QVariant& variantValue, const QVariant& variantValue2)
+    {
+        return variantValue.value<FilePath>() == variantValue2.value<FilePath>();
+    }
+};
+
 } // End of namespace caf