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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/View/Material/MaterialsQModel.cpp
//! @brief Implements class MaterialsQModel.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2021
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "GUI/View/Material/MaterialsQModel.h"
#include "GUI/Model/Material/MaterialItem.h"
#include "GUI/Model/Material/MaterialsSet.h"
#include <QApplication>
#include <QFontMetrics>
#include <QPixmap>
MaterialsQModel::MaterialsQModel(MaterialsSet& model)
: m_model(model)
{
}
int MaterialsQModel::rowCount(const QModelIndex& /*parent = QModelIndex()*/) const
{
return m_model.size();
}
int MaterialsQModel::columnCount(const QModelIndex& /*parent = QModelIndex()*/) const
{
return NUM_COLUMNS;
}
QVariant MaterialsQModel::headerData(int section, Qt::Orientation /*orientation*/,
int role /* = Qt::DisplayRole */) const
{
if (role != Qt::DisplayRole)
return {};
switch (section) {
case NAME:
return "Name";
case TYPE:
return "Type";
case PARAMETERS:
return "Material parameters";
case MAGNETIZATION:
return "Magnetization (A/m)";
default:
return {};
}
}
QVariant MaterialsQModel::data(const QModelIndex& index, int role /*= Qt::DisplayRole*/) const
{
if (!index.isValid())
return {};
const MaterialItem* material = m_model.at(index.row());
if (role == Qt::DisplayRole) {
switch (index.column()) {
case NAME:
return material->matItemName();
case TYPE:
return material->hasRefractiveIndex() ? "Refractive based" : "SLD based";
case PARAMETERS:
if (material->hasRefractiveIndex())
return QString("delta: %1, beta: %2")
.arg(material->delta().dVal())
.arg(material->beta().dVal());
else
return QString("re: %1, im: %2")
.arg(material->sldRe().dVal())
.arg(material->sldIm().dVal());
case MAGNETIZATION:
return QString("%1/%2/%3")
.arg(material->magnetization().r3().x())
.arg(material->magnetization().r3().y())
.arg(material->magnetization().r3().z());
}
} else if (role == Qt::DecorationRole) {
switch (index.column()) {
case NAME: {
const int size = qApp->fontMetrics().height();
QPixmap pixmap(size, size);
pixmap.fill(materialItemFromIndex(index)->color());
return pixmap;
}
}
}
return {};
}
void MaterialsQModel::setMaterialItemName(const QModelIndex& index, const QString& name)
{
materialItemFromIndex(index)->setMatItemName(name);
emit dataChanged(index, index);
}
void MaterialsQModel::setColor(const QModelIndex& index, const QColor& color)
{
materialItemFromIndex(index)->setColor(color);
emit dataChanged(index, index);
}
void MaterialsQModel::setX(const QModelIndex& index, double value)
{
auto* material = materialItemFromIndex(index);
R3 m = material->magnetization();
m.setX(value);
material->setMagnetization(m);
const auto magIndex = this->index(index.row(), MAGNETIZATION);
emit dataChanged(magIndex, magIndex);
}
void MaterialsQModel::setY(const QModelIndex& index, double value)
{
auto* material = materialItemFromIndex(index);
R3 m = material->magnetization();
m.setY(value);
material->setMagnetization(m);
const auto magIndex = this->index(index.row(), MAGNETIZATION);
emit dataChanged(magIndex, magIndex);
}
void MaterialsQModel::setZ(const QModelIndex& index, double value)
{
auto* material = materialItemFromIndex(index);
R3 m = material->magnetization();
m.setZ(value);
material->setMagnetization(m);
const auto magIndex = this->index(index.row(), MAGNETIZATION);
emit dataChanged(magIndex, magIndex);
}
void MaterialsQModel::setDelta(const QModelIndex& index, double value)
{
auto* m = materialItemFromIndex(index);
m->setRefractiveIndex(value, m->beta().dVal());
const auto paramIndex = this->index(index.row(), PARAMETERS);
emit dataChanged(paramIndex, paramIndex);
}
void MaterialsQModel::setBeta(const QModelIndex& index, double value)
{
auto* m = materialItemFromIndex(index);
m->setRefractiveIndex(m->delta().dVal(), value);
const auto paramIndex = this->index(index.row(), PARAMETERS);
emit dataChanged(paramIndex, paramIndex);
}
void MaterialsQModel::setRe(const QModelIndex& index, double value)
{
auto* m = materialItemFromIndex(index);
m->setScatteringLengthDensity(complex_t(value, m->sldIm().dVal()));
auto paramIndex = this->index(index.row(), PARAMETERS);
emit dataChanged(paramIndex, paramIndex);
}
void MaterialsQModel::setIm(const QModelIndex& index, double value)
{
auto* m = materialItemFromIndex(index);
m->setScatteringLengthDensity(complex_t(m->sldRe().dVal(), value));
auto paramIndex = this->index(index.row(), PARAMETERS);
emit dataChanged(paramIndex, paramIndex);
}
MaterialItem* MaterialsQModel::materialItemFromIndex(const QModelIndex& index) const
{
return index.isValid() ? m_model.at(index.row()) : nullptr;
}
QModelIndex MaterialsQModel::indexFromMaterial(const QString& identifier) const
{
for (size_t row = 0; row < m_model.size(); row++)
if (m_model[row]->identifier() == identifier)
return index(row, 0);
return {};
}
QModelIndex MaterialsQModel::indexFromMaterial(const MaterialItem* m) const
{
for (size_t row = 0; row < m_model.size(); row++)
if (m_model[row] == m)
return index(row, 0);
return {};
}
QModelIndex MaterialsQModel::first() const
{
return index(0, 0);
}
MaterialItem* MaterialsQModel::addRefractiveMaterialItem(const QString& name, double delta,
double beta)
{
beginInsertRows(QModelIndex(), rowCount(), rowCount());
auto* m = m_model.addRefractiveMaterialItem(name, delta, beta);
endInsertRows();
return m;
}
MaterialItem* MaterialsQModel::addSLDMaterialItem(const QString& name, double sld, double abs_term)
{
beginInsertRows(QModelIndex(), rowCount(), rowCount());
auto* m = m_model.addSLDMaterialItem(name, sld, abs_term);
endInsertRows();
return m;
}
void MaterialsQModel::removeMaterial(const QModelIndex& index)
{
beginRemoveRows(QModelIndex(), index.row(), index.row());
m_model.removeMaterialItem(materialItemFromIndex(index));
endRemoveRows();
}
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