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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/Model/File/DatafileItem.cpp
//! @brief Implements class DatafileItem.
//!
//! @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/Model/File/DatafileItem.h"
#include "Base/Axis/Frame.h"
#include "Base/Axis/Scale.h"
#include "Device/Data/DataUtil.h"
#include "Device/Data/Datafield.h"
#include "GUI/Model/Axis/AmplitudeAxisItem.h"
#include "GUI/Model/Data/Data1DItem.h"
#include "GUI/Model/Data/Data2DItem.h"
#include "GUI/Model/Util/Backup.h"
#include "GUI/Model/Util/Path.h"
#include "GUI/Model/Util/UtilXML.h"
namespace {
namespace Tag {
const QString Data("Data");
const QString Name("Name");
} // namespace Tag
std::unique_ptr<DataItem> createDataItem(size_t rank)
{
if (rank == 1)
return std::make_unique<Data1DItem>();
return std::make_unique<Data2DItem>();
}
} // namespace
DatafileItem::DatafileItem() = default;
DatafileItem::DatafileItem(const QString& name, const Datafield& df)
: NamedItem(name)
, m_data_item(::createDataItem(df.rank()))
{
updateFileName();
m_data_item->setDatafield(df);
}
DatafileItem::~DatafileItem() = default;
DatafileItem* DatafileItem::clone() const
{
auto* result = new DatafileItem;
GUI::Util::copyContents(this, result);
if (m_data_item)
result->m_data_item->setDatafield(*m_data_item->c_field());
return result;
}
void DatafileItem::setDatafileItemName(const QString& name)
{
NamedItem::setName(name);
updateFileName();
}
DataItem* DatafileItem::dataItem() const
{
return m_data_item.get();
}
Data2DItem* DatafileItem::data2DItem() const
{
return dynamic_cast<Data2DItem*>(dataItem());
}
Data1DItem* DatafileItem::data1DItem() const
{
return dynamic_cast<Data1DItem*>(dataItem());
}
size_t DatafileItem::rank() const
{
return m_data_item->rank();
}
size_t DatafileItem::axdim(int i) const
{
ASSERT(dataItem());
return m_data_item->axdim(i);
}
bool DatafileItem::holdsDimensionalData() const
{
const Frame& frame = m_data_item->c_field()->frame();
for (size_t k = 0; k < frame.rank(); k++)
if (frame.axis(k).unit() != "bin")
return true;
return false;
}
void DatafileItem::rotateData()
{
if (rank() == 1) // rotation only for 2D items possible
return;
// -- now rotate data
const Datafield& input = *data2DItem()->c_field();
const Datafield output = DataUtil::rotatedDatafield(input, 1);
// upd AxesItems
data2DItem()->axItemX()->resize(output.xAxis().size());
data2DItem()->axItemY()->resize(output.yAxis().size());
// apply rotated data
data2DItem()->setDatafield(output);
data2DItem()->setAxesRangeToData();
}
//! Updates the name of file to store intensity data.
void DatafileItem::updateFileName()
{
if (DataItem* item = dataItem())
item->setFileName(GUI::Path::intensityDataFileName(name(), "realdata"));
}
void DatafileItem::writeTo(QXmlStreamWriter* w) const
{
XML::writeTaggedValue(w, Tag::Name, name());
// data
if (m_data_item) {
w->writeStartElement(Tag::Data);
XML::writeAttribute(w, XML::Attrib::type, m_data_item->TYPE);
m_data_item->writeTo(w);
w->writeEndElement();
}
}
void DatafileItem::readFrom(QXmlStreamReader* r)
{
while (r->readNextStartElement()) {
QString tag = r->name().toString();
if (tag == Tag::Name)
setName(XML::readTaggedString(r, tag));
else if (tag == Tag::Data) {
QString type;
type = XML::readString(r, XML::Attrib::type);
ASSERT(!m_data_item);
if (type == Data1DItem::M_TYPE)
m_data_item = std::make_unique<Data1DItem>();
else if (type == Data2DItem::M_TYPE)
m_data_item = std::make_unique<Data2DItem>();
else
ASSERT_NEVER;
XML::readTaggedElement(r, tag, *m_data_item);
} else
r->skipCurrentElement();
}
}
void DatafileItem::saveDatafield(const QString& projectDir) const
{
if (m_data_item)
m_data_item->saveDatafield(projectDir);
}
void DatafileItem::loadDatafield(const QString& projectDir)
{
if (m_data_item)
m_data_item->loadDatafield(projectDir, rank());
}
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