filtersettingsview.cpp

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//=============================================================================================================
 
//=============================================================================================================
// INCLUDES
//=============================================================================================================
 
#include "filtersettingsview.h"
 
#include "filterdesignview.h"
 
#include "ui_filtersettingsview.h"
 
//=============================================================================================================
// QT INCLUDES
//=============================================================================================================
 
#include <QCheckBox>
#include <QGridLayout>
#include <QPushButton>
#include <QSettings>
 
//=============================================================================================================
// EIGEN INCLUDES
//=============================================================================================================
 
//=============================================================================================================
// USED NAMESPACES
//=============================================================================================================
 
using namespace DISPLIB;
 
//=============================================================================================================
// DEFINE MEMBER METHODS
//=============================================================================================================
 
FilterSettingsView::FilterSettingsView(const QString& sSettingsPath,
                                       QWidget* parent,
                                       Qt::WindowFlags f)
: AbstractView(parent, f)
, m_pUi(std::make_unique<Ui::FilterSettingsViewWidget>())
{
    m_sSettingsPath = sSettingsPath;
    this->setWindowTitle("Filter Settings");
 
    m_pUi->setupUi(this);
 
    loadSettings();
 
    //Create and connect design viewer
    m_pFilterView = FilterDesignView::SPtr::create(m_sSettingsPath,
                                                   nullptr,
                                                   Qt::Dialog);
 
    connect(m_pFilterView.data(), &FilterDesignView::updateFilterFrom, [=, this](double dFrom) {
        m_pUi->m_pDoubleSpinBoxFrom->setValue(dFrom);
    });
    connect(m_pFilterView.data(), &FilterDesignView::updateFilterTo, [=, this](double dTo) {
        m_pUi->m_pDoubleSpinBoxTo->setValue(dTo);
    });
 
    connect(this, &FilterSettingsView::guiStyleChanged,
            m_pFilterView.data(), &FilterDesignView::guiStyleChanged);
 
    m_pUi->m_pDoubleSpinBoxFrom->setValue(m_pFilterView->getFrom());
    m_pUi->m_pDoubleSpinBoxTo->setValue(m_pFilterView->getTo());
 
    //Connect GUI elements
    connect(m_pUi->m_pCheckBoxActivateFilter, &QCheckBox::toggled,
            this, &FilterSettingsView::onFilterActivationChanged);
    connect(m_pUi->m_pPushButtonShowFilterOptions, &QPushButton::clicked,
            this, &FilterSettingsView::onShowFilterView);
    connect(m_pUi->m_pDoubleSpinBoxFrom, &QDoubleSpinBox::editingFinished,
            this, &FilterSettingsView::onFilterFromChanged);
    connect(m_pUi->m_pDoubleSpinBoxTo, &QDoubleSpinBox::editingFinished,
            this, &FilterSettingsView::onFilterToChanged);
    connect(m_pUi->m_pcomboBoxChannelTypes, &QComboBox::currentTextChanged,
            this, &FilterSettingsView::onFilterChannelTypeChanged);
}
 
//=============================================================================================================
 
FilterSettingsView::~FilterSettingsView()
{
    saveSettings();
}
 
//=============================================================================================================
 
QSharedPointer<FilterDesignView> FilterSettingsView::getFilterView()
{
    return m_pFilterView;
}
 
//=============================================================================================================
 
bool FilterSettingsView::getFilterActive()
{
    return m_pUi->m_pCheckBoxActivateFilter->isChecked();
}
 
//=============================================================================================================
 
void FilterSettingsView::setSamplingRate(double dSFreq)
{
    //Update min max of spin boxes to nyquist
    double nyquistFrequency = dSFreq / 2;
 
    m_pUi->m_pDoubleSpinBoxFrom->setMaximum(nyquistFrequency);
    m_pUi->m_pDoubleSpinBoxTo->setMaximum(nyquistFrequency);
 
    if (m_pUi->m_pDoubleSpinBoxFrom->value() > dSFreq / 2) {
        m_pUi->m_pDoubleSpinBoxFrom->setValue(dSFreq / 2);
    }
 
    if (m_pUi->m_pDoubleSpinBoxTo->value() > dSFreq / 2) {
        m_pUi->m_pDoubleSpinBoxTo->setValue(dSFreq / 2);
    }
 
    m_pFilterView->setSamplingRate(dSFreq);
}
 
//=============================================================================================================
 
void FilterSettingsView::saveSettings()
{
    if (m_sSettingsPath.isEmpty()) {
        return;
    }
 
    QSettings settings("MNECPP");
 
    settings.setValue(m_sSettingsPath + QString("/FilterSettingsView/filterActivated"), m_pUi->m_pCheckBoxActivateFilter->isChecked());
    settings.setValue(m_sSettingsPath + QString("/FilterSettingsView/filterFrom"), m_pUi->m_pDoubleSpinBoxFrom->value());
    settings.setValue(m_sSettingsPath + QString("/FilterSettingsView/filterTo"), m_pUi->m_pDoubleSpinBoxTo->value());
    settings.setValue(m_sSettingsPath + QString("/FilterSettingsView/filterChannelType"), m_pUi->m_pcomboBoxChannelTypes->currentText());
}
 
//=============================================================================================================
 
void FilterSettingsView::loadSettings()
{
    if (m_sSettingsPath.isEmpty()) {
        return;
    }
 
    QSettings settings("MNECPP");
 
    m_pUi->m_pCheckBoxActivateFilter->setChecked(settings.value(m_sSettingsPath + QString("/FilterSettingsView/filterActivated"), false).toBool());
    m_pUi->m_pDoubleSpinBoxTo->setValue(settings.value(m_sSettingsPath + QString("/FilterSettingsView/filterTo"), 0).toDouble());
    m_pUi->m_pDoubleSpinBoxFrom->setValue(settings.value(m_sSettingsPath + QString("/FilterSettingsView/filterFrom"), 0).toDouble());
    m_pUi->m_pcomboBoxChannelTypes->setCurrentText(settings.value(m_sSettingsPath + QString("/FilterSettingsView/filterChannelType"), "All").toString());
}
 
//=============================================================================================================
 
void FilterSettingsView::updateGuiMode(GuiMode mode)
{
    switch (mode) {
        case GuiMode::Clinical:
            m_pUi->m_pPushButtonShowFilterOptions->hide();
            break;
        default: // default is research mode
            m_pUi->m_pPushButtonShowFilterOptions->show();
            break;
    }
}
 
//=============================================================================================================
 
void FilterSettingsView::updateProcessingMode(ProcessingMode mode)
{
    switch (mode) {
        case ProcessingMode::Offline:
            break;
        default: // default is realtime mode
            break;
    }
}
 
//=============================================================================================================
 
void FilterSettingsView::onShowFilterView()
{
    if (m_pFilterView->isActiveWindow()) {
        m_pFilterView->hide();
    } else {
        m_pFilterView->activateWindow();
        m_pFilterView->show();
        m_pFilterView->updateFilterPlot();
    }
}
 
//=============================================================================================================
 
void FilterSettingsView::onFilterActivationChanged()
{
    emit filterActivationChanged(m_pUi->m_pCheckBoxActivateFilter->isChecked());
 
    saveSettings();
}
 
//=============================================================================================================
 
void FilterSettingsView::onFilterFromChanged()
{
    m_pFilterView->setFrom(m_pUi->m_pDoubleSpinBoxFrom->value());
 
    saveSettings();
}
 
//=============================================================================================================
 
void FilterSettingsView::onFilterToChanged()
{
    if (m_pUi->m_pDoubleSpinBoxFrom->value() >= 2) {
        m_pUi->m_pDoubleSpinBoxFrom->setMaximum(m_pUi->m_pDoubleSpinBoxTo->value() - 1);
    } else {
        m_pUi->m_pDoubleSpinBoxFrom->setMaximum(m_pUi->m_pDoubleSpinBoxTo->value());
    }
 
    m_pFilterView->setTo(m_pUi->m_pDoubleSpinBoxTo->value());
 
    saveSettings();
}
 
//=============================================================================================================
 
void FilterSettingsView::onFilterChannelTypeChanged(const QString& sType)
{
    m_pFilterView->setChannelType(sType);
 
    saveSettings();
}
 
//=============================================================================================================
 
void FilterSettingsView::clearView()
{
}