RealDataPropertiesWidget Class Reference

The RealDataPropertiesWidget class holds instrument selector to link with RealDataItem. More...

Inheritance diagram for RealDataPropertiesWidget:

Collaboration diagram for RealDataPropertiesWidget:

Public Slots
void	onInstrumentComboIndexChanged (int index)
	Processes user interaction with instrument selector combo. More...
void	onRealDataPropertyChanged ()
	Updates instrument combo if instrument link of current RealDataItem changed. More...
void	updateInstrumentComboEntries ()
	Updates instrument selector for new instruments and their names. More...

Public Member Functions
	RealDataPropertiesWidget (QWidget *parent=0)
QSize	minimumSizeHint () const
void	setItem (RealDataItem *item)
	Set current RealDataItem to display in instrument selector. More...
QSize	sizeHint () const

Private Member Functions
void	setComboToIdentifier (const QString &instrumentId)
	Sets instrument combo selector to the state corresponding to given instrument identifier. More...
void	setPropertiesEnabled (bool enabled)
	Sets all widget's children enabled/disabled. More...

Private Attributes
RealDataItem *	m_currentDataItem
QComboBox *	m_instrumentCombo

Detailed Description

The RealDataPropertiesWidget class holds instrument selector to link with RealDataItem.

Part of RealDataSelectorWidget, resides at lower left corner of ImportDataView.

Definition at line 27 of file RealDataPropertiesWidget.h.

Constructor & Destructor Documentation

RealDataPropertiesWidget()

RealDataPropertiesWidget::RealDataPropertiesWidget ( QWidget *  parent = 0 )

explicit

Definition at line 26 of file RealDataPropertiesWidget.cpp.

    : QWidget(parent), m_instrumentCombo(new QComboBox), m_currentDataItem(nullptr)
{
    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
    setWindowTitle("RealDataPropertiesWidget");
 
    QVBoxLayout* mainLayout = new QVBoxLayout;
    mainLayout->setMargin(5);
    mainLayout->setSpacing(2);
 
    m_instrumentCombo->setToolTip("Select instrument to link with real data");
 
    mainLayout->addWidget(new QLabel("Linked instrument"));
    mainLayout->addWidget(m_instrumentCombo);
 
    mainLayout->addStretch();
    setLayout(mainLayout);
 
    connect(m_instrumentCombo,
            static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this,
            &RealDataPropertiesWidget::onInstrumentComboIndexChanged);
 
    connect(MainWindow::instance()->instrumentModel(), &InstrumentModel::instrumentAddedOrRemoved,
            this, &RealDataPropertiesWidget::updateInstrumentComboEntries);
 
    connect(MainWindow::instance()->instrumentModel(), &InstrumentModel::instrumentNameChanged,
            this, &RealDataPropertiesWidget::updateInstrumentComboEntries);
 
    updateInstrumentComboEntries();
    setPropertiesEnabled(false);
}

References MainWindow::instance(), InstrumentModel::instrumentAddedOrRemoved(), InstrumentModel::instrumentNameChanged(), m_instrumentCombo, onInstrumentComboIndexChanged(), setPropertiesEnabled(), and updateInstrumentComboEntries().

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Member Function Documentation

minimumSizeHint()

QSize RealDataPropertiesWidget::minimumSizeHint ( ) const

inline

Definition at line 33 of file RealDataPropertiesWidget.h.

{ return QSize(64, 128); }

onInstrumentComboIndexChanged

void RealDataPropertiesWidget::onInstrumentComboIndexChanged ( int  index )

slot

Processes user interaction with instrument selector combo.

If there is realDataItem, it will be linked with selected instrument.

Definition at line 88 of file RealDataPropertiesWidget.cpp.

{
    if (!m_currentDataItem)
        return;
 
    const QString newSelectedInstrumentId = m_instrumentCombo->currentData().toString();
 
    if (newSelectedInstrumentId == m_currentDataItem->instrumentId())
        return;
 
    if (MainWindow::instance()->linkInstrumentManager()->canLinkDataToInstrument(
            m_currentDataItem, newSelectedInstrumentId)) {
        m_currentDataItem->setInstrumentId(newSelectedInstrumentId);
        m_currentDataItem->updateToInstrument(newSelectedInstrumentId);
    } else
        // Linking was impossible or denied. Set combo to previous state
        setComboToIdentifier(m_currentDataItem->instrumentId());
}

References MainWindow::instance(), RealDataItem::instrumentId(), m_currentDataItem, m_instrumentCombo, setComboToIdentifier(), RealDataItem::setInstrumentId(), and RealDataItem::updateToInstrument().

Referenced by RealDataPropertiesWidget().

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onRealDataPropertyChanged

void RealDataPropertiesWidget::onRealDataPropertyChanged ( )

slot

Updates instrument combo if instrument link of current RealDataItem changed.

Definition at line 133 of file RealDataPropertiesWidget.cpp.

{
    // This can be called when combo on this page was changed, but also when the linking
    // is undone because of instrument deletion or similar
    if (!m_currentDataItem)
        return;
 
    // The notification comes for different reasons, therefore a check for "link changed" is done
    // first
    const bool linkChanged =
        m_instrumentCombo->currentData().toString() != m_currentDataItem->instrumentId();
 
    if (linkChanged)
        setComboToIdentifier(m_currentDataItem->instrumentId());
}

References RealDataItem::instrumentId(), m_currentDataItem, m_instrumentCombo, and setComboToIdentifier().

Referenced by setItem().

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setComboToIdentifier()

void RealDataPropertiesWidget::setComboToIdentifier ( const QString &  instrumentId )

private

Sets instrument combo selector to the state corresponding to given instrument identifier.

Definition at line 151 of file RealDataPropertiesWidget.cpp.

{
    const int index = m_instrumentCombo->findData(instrumentId);
    ASSERT(index >= 0);
 
    QSignalBlocker b(m_instrumentCombo);
    m_instrumentCombo->setCurrentIndex(index);
}

References ASSERT, and m_instrumentCombo.

Referenced by onInstrumentComboIndexChanged(), onRealDataPropertyChanged(), and setItem().

setItem()

void RealDataPropertiesWidget::setItem

(

RealDataItem *

item

)

Set current RealDataItem to display in instrument selector.

Definition at line 60 of file RealDataPropertiesWidget.cpp.

{
    if (item == m_currentDataItem)
        return;
 
    if (m_currentDataItem)
        m_currentDataItem->mapper()->unsubscribe(this);
 
    m_currentDataItem = item;
 
    setPropertiesEnabled(m_currentDataItem != nullptr);
 
    if (!m_currentDataItem)
        return;
 
    m_currentDataItem->mapper()->setOnPropertyChange(
        [this](const QString&) { onRealDataPropertyChanged(); }, this);
 
    m_currentDataItem->mapper()->setOnItemDestroy(
        [this](SessionItem*) { m_currentDataItem = nullptr; }, this);
 
    // Set combo selector to show linked instrument
    setComboToIdentifier(m_currentDataItem->instrumentId());
}

References RealDataItem::instrumentId(), m_currentDataItem, SessionItem::mapper(), onRealDataPropertyChanged(), setComboToIdentifier(), ModelMapper::setOnItemDestroy(), ModelMapper::setOnPropertyChange(), setPropertiesEnabled(), and ModelMapper::unsubscribe().

Referenced by RealDataSelectorWidget::onSelectionChanged().

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setPropertiesEnabled()

void RealDataPropertiesWidget::setPropertiesEnabled ( bool  enabled )

private

Sets all widget's children enabled/disabled.

Definition at line 162 of file RealDataPropertiesWidget.cpp.

{
    setEnabled(enabled);
    if (!enabled)
        m_instrumentCombo->setCurrentIndex(0);
}

References m_instrumentCombo.

Referenced by RealDataPropertiesWidget(), and setItem().

sizeHint()

QSize RealDataPropertiesWidget::sizeHint ( ) const

inline

Definition at line 32 of file RealDataPropertiesWidget.h.

{ return QSize(64, 135); }

updateInstrumentComboEntries

void RealDataPropertiesWidget::updateInstrumentComboEntries ( )

slot

Updates instrument selector for new instruments and their names.

Current selection will be preserved.

Definition at line 110 of file RealDataPropertiesWidget.cpp.

{
    QString currentId = m_currentDataItem != nullptr ? m_currentDataItem->instrumentId() : "";
 
    QSignalBlocker b(m_instrumentCombo);
 
    m_instrumentCombo->clear();
 
    // fill the combo. Userdata contains instrument's uid
    m_instrumentCombo->addItem("Undefined", ""); // undefined instrument
    for (auto instrumentItem : MainWindow::instance()->instrumentModel()->instrumentItems())
        m_instrumentCombo->addItem(instrumentItem->name(), instrumentItem->id());
 
    const int index = m_instrumentCombo->findData(currentId);
    if (index >= 0)
        m_instrumentCombo->setCurrentIndex(index);
    else
        // instrument selected in data item was deleted
        m_instrumentCombo->setCurrentIndex(0);
}

References MainWindow::instance(), RealDataItem::instrumentId(), m_currentDataItem, and m_instrumentCombo.

Referenced by RealDataPropertiesWidget().

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Member Data Documentation

m_currentDataItem

RealDataItem* RealDataPropertiesWidget::m_currentDataItem

private

Definition at line 47 of file RealDataPropertiesWidget.h.

Referenced by onInstrumentComboIndexChanged(), onRealDataPropertyChanged(), setItem(), and updateInstrumentComboEntries().

m_instrumentCombo

QComboBox* RealDataPropertiesWidget::m_instrumentCombo

private

Definition at line 46 of file RealDataPropertiesWidget.h.

Referenced by RealDataPropertiesWidget(), onInstrumentComboIndexChanged(), onRealDataPropertyChanged(), setComboToIdentifier(), setPropertiesEnabled(), and updateInstrumentComboEntries().

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The documentation for this class was generated from the following files:

• /home/www/ba/GUI/coregui/Views/ImportDataWidgets/RealDataPropertiesWidget.h
• /home/www/ba/GUI/coregui/Views/ImportDataWidgets/RealDataPropertiesWidget.cpp