Framework changes to prepare for ensemble file set

Fwk/AppFwk/cafProjectDataModel/cafPdmDocument.cpp

@@ -139,6 +139,14 @@ QString PdmDocument::documentAsString()
     return content;
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+const caf::PdmFieldHandle* PdmDocument::fileNameHandle() const
+{
+    return dynamic_cast<const caf::PdmFieldHandle*>( &m_fileName );
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------

Fwk/AppFwk/cafProjectDataModel/cafPdmDocument.h

@@ -63,7 +63,8 @@ public:
     static void updateUiIconStateRecursively( PdmObjectHandle* root );
 
 protected:
-    QString documentAsString();
+    QString               documentAsString();
+    const PdmFieldHandle* fileNameHandle() const;
 
 private:
     void writeDocumentToXmlStream( QXmlStreamWriter& xmlStream );

Fwk/AppFwk/cafProjectDataModel/cafPdmXml/cafPdmXmlObjectHandle.cpp

@@ -136,8 +136,7 @@ void PdmXmlObjectHandle::readFields( QXmlStreamReader& xmlStream, PdmObjectFacto
 //--------------------------------------------------------------------------------------------------
 void PdmXmlObjectHandle::writeFields( QXmlStreamWriter& xmlStream ) const
 {
-    std::vector<PdmFieldHandle*> fields = m_owner->fields();
+    for ( const auto& fieldHandle : fieldsForExport() )
-    for ( const auto& fieldHandle : fields )
     {
         const PdmXmlFieldHandle* field = fieldHandle->xmlCapability();
         if ( field && field->isIOWritable() )
@@ -311,6 +310,16 @@ bool PdmXmlObjectHandle::isValidXmlElementName( const QString& name )
     return true;
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+std::vector<caf::PdmFieldHandle*> PdmXmlObjectHandle::fieldsForExport() const
+{
+    if ( !m_owner ) return {};
+
+    return m_owner->fields();
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------

Fwk/AppFwk/cafProjectDataModel/cafPdmXml/cafPdmXmlObjectHandle.h

@@ -70,6 +70,9 @@ protected: // Virtual
     /// Re-implement to make sure your fields have correct data before saving
     virtual void setupBeforeSave() {};
 
+    /// Override this method if you need to exclude or reorder fields for export to XML
+    [[nodiscard]] virtual std::vector<PdmFieldHandle*> fieldsForExport() const;
+
     /// This method is intended to be used in macros to make compile time errors
     // if user uses them on wrong type of objects
     bool isInheritedFromPdmXmlSerializable() { return true; }