void SwapFieldElementCommand::undo(void)
{
Inherited::undo();
EditFieldHandlePtr TheFieldHandle = _FC->editField(_FieldId);
if(TheFieldHandle->isPointerField())
{
EditMFieldHandle<FieldContainerPtrMFieldBase>* TheHandle(dynamic_cast<EditMFieldHandle<FieldContainerPtrMFieldBase>*>(TheFieldHandle.get()));
FieldContainer* ToFC = TheHandle->get(_ToIndex);
FieldContainer* FromFC = TheHandle->get(_FromIndex);
TheHandle->replace(_FromIndex, ToFC);
TheHandle->replace(_ToIndex, FromFC);
}
else
{
//Get the to index value
std::ostringstream StrStream;
OutStream TheOutStream(StrStream);
TheFieldHandle->pushIndexedValueToStream(TheOutStream, _ToIndex);
std::string ToValue = StrStream.str();
//Get the from index value
StrStream.clear();
StrStream.str("");
TheFieldHandle->pushIndexedValueToStream(TheOutStream, _FromIndex);
std::string FromValue = StrStream.str();
//Set the value
TheFieldHandle->pushIndexedValueFromCString(ToValue.c_str(), _FromIndex);
TheFieldHandle->pushIndexedValueFromCString(FromValue.c_str(), _ToIndex);
}
}
void MoveFieldElementCommand::undo(void)
{
Inherited::undo();
EditFieldHandlePtr TheFieldHandle = _FC->editField(_FieldId);
if(TheFieldHandle->isPointerField())
{
EditMFieldHandle<FieldContainerPtrMFieldBase>* TheHandle(dynamic_cast<EditMFieldHandle<FieldContainerPtrMFieldBase>*>(TheFieldHandle.get()));
FieldContainerUnrecPtr ToFC = TheHandle->get(_ToIndex);
TheHandle->remove(_ToIndex);
TheHandle->insert(_FromIndex, ToFC);
}
else
{
//Get the to index value
std::ostringstream StrStream;
OutStream TheOutStream(StrStream);
//Set the value
if(_ToIndex < _FromIndex)
{
TheFieldHandle->pushIndexedValueToStream(TheOutStream, _ToIndex);
TheFieldHandle->insertIndexedValueFromCString(StrStream.str().c_str(), _FromIndex+1);
}
else
{
TheFieldHandle->pushIndexedValueToStream(TheOutStream, _ToIndex-1);
TheFieldHandle->insertIndexedValueFromCString(StrStream.str().c_str(), _FromIndex);
}
TheFieldHandle->removeIndex(_ToIndex);
}
}
void SwapFieldElementCommand::execute(void)
{
//Check for a valid Field Container
if(_FC == NULL)
{
SWARNING << "FieldContainer is NULL." << std::endl;
return;
}
//Check for valid Field
EditFieldHandlePtr TheFieldHandle = _FC->editField(_FieldId);
if(!TheFieldHandle->isValid())
{
SWARNING << "No Field with Id: " << _FieldId << " in FieldContainers of type " << _FC->getType().getName() << std::endl;
return;
}
//Check for valid Field cardinality
if(TheFieldHandle->getCardinality() != FieldType::MultiField)
{
SWARNING << "Field: " << _FC->getType().getName() << " is not a MultiField" << std::endl;
return;
}
//Check for valid indexing
if(TheFieldHandle->getCardinality() == FieldType::MultiField && _FromIndex >= TheFieldHandle->size())
{
SWARNING << "Cannot move the value of from index " << _FromIndex << ", on field " << TheFieldHandle->getDescription()->getName()
<< ", on FieldContianer of type " << _FC->getType().getName()
<< " because that field has size " << TheFieldHandle->size() << std::endl;
return;
}
if(TheFieldHandle->getCardinality() == FieldType::MultiField && _ToIndex >= TheFieldHandle->size())
{
SWARNING << "Cannot move the value of to index " << _ToIndex << ", on field " << TheFieldHandle->getDescription()->getName()
<< ", on FieldContianer of type " << _FC->getType().getName()
<< " because that field has size " << TheFieldHandle->size() << std::endl;
return;
}
if(TheFieldHandle->isPointerField())
{
EditMFieldHandle<FieldContainerPtrMFieldBase>* TheHandle(dynamic_cast<EditMFieldHandle<FieldContainerPtrMFieldBase>*>(TheFieldHandle.get()));
FieldContainer* ToFC = TheHandle->get(_ToIndex);
FieldContainer* FromFC = TheHandle->get(_FromIndex);
TheHandle->replace(_FromIndex, ToFC);
TheHandle->replace(_ToIndex, FromFC);
}
else
{
//Get the to index value
std::ostringstream StrStream;
OutStream TheOutStream(StrStream);
TheFieldHandle->pushIndexedValueToStream(TheOutStream, _ToIndex);
std::string ToValue = StrStream.str();
//Get the from index value
StrStream.clear();
StrStream.str("");
TheFieldHandle->pushIndexedValueToStream(TheOutStream, _FromIndex);
std::string FromValue = StrStream.str();
//Set the value
TheFieldHandle->pushIndexedValueFromCString(ToValue.c_str(), _FromIndex);
TheFieldHandle->pushIndexedValueFromCString(FromValue.c_str(), _ToIndex);
}
Inherited::execute();
_HasBeenDone = true;
}
