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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/Model/Material/MaterialsSet.cpp
//! @brief Implements class MaterialsSet.
//!
//! @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/Material/MaterialsSet.h"
#include "Base/Util/Assert.h"
#include "GUI/Model/Material/MaterialItem.h"
#include "GUI/Model/Util/UtilXML.h"
#include <QColor>
#include <random>
namespace {
namespace Tag {
const QString Material("Material");
} // namespace Tag
QColor suggestMaterialColor(const QString& name)
{
if (name.contains(materialMap.key(DefaultMaterials::Vacuum)))
return {179, 242, 255};
if (name.contains(materialMap.key(DefaultMaterials::Substrate)))
return {205, 102, 0};
if (name.contains(materialMap.key(DefaultMaterials::Default)))
return QColor(Qt::green);
if (name.contains(materialMap.key(DefaultMaterials::Core)))
return {220, 140, 220};
if (name.contains(materialMap.key(DefaultMaterials::Particle)))
return {146, 198, 255};
// return a random color
static std::random_device r;
std::mt19937 re(r());
std::uniform_int_distribution<int> ru(0, 255);
return QColor(ru(re), ru(re), ru(re));
}
} // namespace
const QMap<QString, DefaultMaterials> materialMap = {{"Default", DefaultMaterials::Default},
{"Vacuum", DefaultMaterials::Vacuum},
{"Particle", DefaultMaterials::Particle},
{"Core", DefaultMaterials::Core},
{"Substrate", DefaultMaterials::Substrate}};
MaterialsSet::MaterialsSet() = default;
MaterialsSet::~MaterialsSet() = default;
MaterialItem* MaterialsSet::addMaterialItem(MaterialItem* materialItem)
{
return addMaterialItem(materialItem, true);
}
MaterialItem* MaterialsSet::addMaterialItem()
{
return addMaterialItem(new MaterialItem, false);
}
MaterialItem* MaterialsSet::addMaterialItem(MaterialItem* materialItem, bool signalAdding)
{
ASSERT(materialItem);
materialItem->disconnect(this);
push_back(materialItem);
connect(materialItem, &MaterialItem::dataChanged, [this] { emit materialChanged(); });
if (signalAdding)
emit materialAddedOrRemoved();
return materialItem;
}
MaterialItem* MaterialsSet::addRefractiveMaterialItem(const QString& name, double delta,
double beta)
{
auto* materialItem = new MaterialItem;
materialItem->setMatItemName(name);
materialItem->setColor(suggestMaterialColor(name));
materialItem->setRefractiveIndex(delta, beta);
addMaterialItem(materialItem);
return materialItem;
}
MaterialItem* MaterialsSet::addSLDMaterialItem(const QString& name, double sld, double abs_term)
{
auto* materialItem = new MaterialItem;
materialItem->setMatItemName(name);
materialItem->setColor(suggestMaterialColor(name));
materialItem->setScatteringLengthDensity(complex_t(sld, abs_term));
addMaterialItem(materialItem);
return materialItem;
}
MaterialItem* MaterialsSet::materialItemFromName(const QString& name) const
{
for (auto* materialItem : *this)
if (materialItem->matItemName() == name)
return materialItem;
return nullptr;
}
MaterialItem* MaterialsSet::materialItemFromIdentifier(const QString& identifier) const
{
for (auto* materialItem : *this)
if (materialItem->identifier() == identifier)
return materialItem;
return nullptr;
}
const MaterialItem* MaterialsSet::defaultMaterialItem() const
{
ASSERT(!empty());
return front();
}
const MaterialItem* MaterialsSet::defaultCoreMaterialItem() const
{
for (auto* material : *this)
if (material->matItemName() == materialMap.key(DefaultMaterials::Core))
return material;
return defaultMaterialItem();
}
const MaterialItem* MaterialsSet::defaultParticleMaterialItem() const
{
for (auto* material : *this)
if (material->matItemName() == materialMap.key(DefaultMaterials::Particle))
return material;
return defaultMaterialItem();
}
void MaterialsSet::removeMaterialItem(MaterialItem* materialItem)
{
delete_element(materialItem);
emit materialAddedOrRemoved();
}
void MaterialsSet::writeTo(QXmlStreamWriter* w) const
{
// materials
for (const auto* material : *this) {
XML::writeTaggedElement(w, Tag::Material, *material);
}
}
void MaterialsSet::readFrom(QXmlStreamReader* r)
{
clear();
while (r->readNextStartElement()) {
QString tag = r->name().toString();
if (tag == Tag::Material) {
addMaterialItem()->readFrom(r);
XML::gotoEndElementOfTag(r, tag);
} else
r->skipCurrentElement();
}
}
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