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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/Model/Material/MaterialItem.cpp
//! @brief Implements class MaterialItem.
//!
//! @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/MaterialItem.h"
#include "Base/Util/Assert.h"
#include "GUI/Model/Util/UtilXML.h"
#include "Sample/Material/MaterialFactoryFuncs.h"
#include <QUuid>
namespace {
namespace Tag {
const QString Color("Color");
const QString Id("Id");
const QString Name("Name");
const QString Delta("Delta");
const QString Beta("Beta");
const QString SldRe("SldRe");
const QString SldIm("SldIm");
const QString UseRefractiveIndex("UseRefractiveIndex");
const QString EnableMagnetization("EnableMagnetization");
const QString Magnetization("Magnetization");
} // namespace Tag
} // namespace
MaterialItem::MaterialItem()
: m_color(Qt::red)
{
m_id = QUuid::createUuid().toString();
m_delta.init("Delta", "", "Delta of refractive index (n = 1 - delta + i*beta)", 0.0, 3,
RealLimits::limitless(), "delta");
m_beta.init("Beta", "", "Beta of refractive index (n = 1 - delta + i*beta)", 0.0, 3,
RealLimits::nonnegative(), "beta");
m_sld_re.init("SLD, real", "Å^-2", "Real part SLD (SLD = real - i*imag) (Å^-2)", 0.0, 3,
RealLimits::limitless(), "sldRe");
m_sld_im.init("SLD, imaginary", "Å^-2", "Imaginary part of SLD (SLD = real - i*imag) (Å^-2), ",
0.0, 3, RealLimits::nonnegative(), "sldIm");
m_magnetization.init("Magnetization", "A/m", "Magnetization (A/m)", "magnetization");
}
void MaterialItem::setRefractiveIndex(const double delta, const double beta)
{
if (hasRefractiveIndex() && m_delta.dVal() == delta && m_beta.dVal() == beta)
return;
m_use_refractive_index = true;
m_delta.setDVal(delta);
m_beta.setDVal(beta);
emit dataChanged();
}
void MaterialItem::setScatteringLengthDensity(const complex_t sld)
{
if (!hasRefractiveIndex() && m_sld_re.dVal() == sld.real() && m_sld_im.dVal() == sld.imag())
return;
m_use_refractive_index = false;
m_sld_re.setDVal(sld.real());
m_sld_im.setDVal(sld.imag());
emit dataChanged();
}
void MaterialItem::setMatItemName(const QString& name)
{
if (m_name != name) {
m_name = name;
emit dataChanged();
}
}
void MaterialItem::createNewIdentifier()
{
m_id = QUuid::createUuid().toString();
}
void MaterialItem::setColor(const QColor& color)
{
if (m_color != color) {
m_color = color;
emit dataChanged();
}
}
void MaterialItem::setMagnetizationEnabled(bool b)
{
m_magnetization_on = b;
emit dataChanged();
}
void MaterialItem::setMagnetization(const R3& magnetization)
{
if (m_magnetization.r3() != magnetization) {
m_magnetization.setR3(magnetization);
emit dataChanged();
}
}
std::unique_ptr<Material> MaterialItem::createMaterial() const
{
VectorProperty mag;
if (isMagnetizatioEnabled())
mag.setR3(m_magnetization.r3());
if (hasRefractiveIndex())
return std::make_unique<Material>(
RefractiveMaterial(matItemName().toStdString(), m_delta.dVal(), m_beta.dVal(), mag));
return std::make_unique<Material>(
MaterialBySLD(matItemName().toStdString(), m_sld_re.dVal(), m_sld_im.dVal(), mag));
}
void MaterialItem::writeTo(QXmlStreamWriter* w) const
{
XML::writeTaggedValue(w, Tag::Name, m_name);
XML::writeTaggedValue(w, Tag::Id, m_id);
XML::writeTaggedValue(w, Tag::Color, m_color);
XML::writeTaggedElement(w, Tag::Magnetization, m_magnetization);
XML::writeTaggedValue(w, Tag::UseRefractiveIndex, m_use_refractive_index);
XML::writeTaggedValue(w, Tag::EnableMagnetization, m_magnetization_on);
if (m_use_refractive_index) {
// delta
m_delta.writeTo2(w, Tag::Delta);
// beta
m_beta.writeTo2(w, Tag::Beta);
} else {
// sld real
m_sld_re.writeTo2(w, Tag::SldRe);
// sld imaginary
m_sld_im.writeTo2(w, Tag::SldIm);
}
}
void MaterialItem::readFrom(QXmlStreamReader* r)
{
while (r->readNextStartElement()) {
QString tag = r->name().toString();
if (tag == Tag::Name)
m_name = XML::readTaggedString(r, tag);
else if (tag == Tag::Id)
m_id = XML::readTaggedString(r, tag);
else if (tag == Tag::Color)
m_color = XML::readTaggedColor(r, tag);
else if (tag == Tag::Magnetization)
XML::readTaggedElement(r, tag, m_magnetization);
else if (tag == Tag::EnableMagnetization)
m_magnetization_on = XML::readTaggedBool(r, tag);
else if (tag == Tag::UseRefractiveIndex)
m_use_refractive_index = XML::readTaggedBool(r, tag);
else if (tag == Tag::Delta && m_use_refractive_index) {
m_delta.readFrom2(r, tag);
} else if (tag == Tag::Beta && m_use_refractive_index) {
m_beta.readFrom2(r, tag);
} else if (tag == Tag::SldRe && !m_use_refractive_index) {
m_sld_re.readFrom2(r, tag);
} else if (tag == Tag::SldIm && !m_use_refractive_index) {
m_sld_im.readFrom2(r, tag);
} else
r->skipCurrentElement();
}
}
void MaterialItem::updateFrom(const MaterialItem& other)
{
if (*this == other)
return;
m_name = other.m_name;
m_color = other.m_color;
m_magnetization.setR3(other.m_magnetization.r3());
m_use_refractive_index = other.m_use_refractive_index;
m_delta.setDVal(other.m_delta.dVal());
m_beta.setDVal(other.m_beta.dVal());
m_sld_re.setDVal(other.m_sld_re.dVal());
m_sld_im.setDVal(other.m_sld_im.dVal());
emit dataChanged();
}
bool MaterialItem::operator==(const MaterialItem& other) const
{
if (m_use_refractive_index != other.m_use_refractive_index)
return false;
if (hasRefractiveIndex()) {
if ((m_delta.dVal() != other.m_delta.dVal()) || (m_beta.dVal() != other.m_beta.dVal()))
return false;
} else if ((m_sld_re.dVal() != other.m_sld_re.dVal())
|| (m_sld_im.dVal() != other.m_sld_im.dVal()))
return false;
return (m_id == other.m_id) && (m_name == other.m_name) && (m_color == other.m_color)
&& (m_magnetization == other.m_magnetization);
}
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