IntensityDataFFTPresenter.cpp

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/View/Plot2D/IntensityDataFFTPresenter.cpp
//! @brief     Defines class IntensityDataFFTPresenter
//!
//! @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/View/Plot2D/IntensityDataFFTPresenter.h"
#include "Device/Data/DataUtils.h"
#include "GUI/Model/Data/IntensityDataItem.h"
#include "GUI/Model/Model/SessionModel.h"
#include "GUI/Util/Error.h"
#include <QAction>
#include <QApplication>
#include <QWidget>
 
IntensityDataFFTPresenter::IntensityDataFFTPresenter(QWidget* parent)
    : QObject(parent)
    , m_fftAction(nullptr)
    , m_fftModel(new SessionModel("TempFFTModel", this))
    , m_fftItem(nullptr)
    , m_in_fft_mode(false)
{
    m_fftItem = m_fftModel->insertItem<IntensityDataItem>();
    m_fftAction = new QAction(this);
    m_fftAction->setText("Fourier");
    m_fftAction->setIcon(QIcon(":/images/alpha-f-box.svg"));
    m_fftAction->setToolTip("Get the Fourier Transform of current intensity map");
    m_fftAction->setCheckable(true);
    connect(m_fftAction, &QAction::toggled, this, &IntensityDataFFTPresenter::onFFTActionToggled);
}
 
void IntensityDataFFTPresenter::reset()
{
    m_in_fft_mode = false;
}
 
IntensityDataItem* IntensityDataFFTPresenter::fftItem(IntensityDataItem* origItem)
{
    if (!origItem)
        throw Error("IntensityDataFFTPresenter::fftItem() -> Error. Empty item.");
 
    QApplication::setOverrideCursor(Qt::WaitCursor);
 
    m_fftItem->setDatafield(DataUtils::Data::createFFT(*origItem->getDatafield()).release());
 
    QApplication::restoreOverrideCursor();
 
    return m_fftItem;
}
 
QList<QAction*> IntensityDataFFTPresenter::actionList()
{
    return QList<QAction*>() << m_fftAction;
}
 
bool IntensityDataFFTPresenter::inFFTMode() const
{
    return m_in_fft_mode;
}
 
void IntensityDataFFTPresenter::onFFTActionToggled(bool toggled)
{
    m_in_fft_mode = toggled;
    fftActionRequest();
}