ItemStackWidget Class Reference

Description

The ItemStackWidget class contains a stack of widgets presenting top level items of SessionModel. Every item corresponds to its own widget.

This is the base for ItemStackPresenter, which actually contains item specific editor's logic. Used in InstrumentView, ImportDataView, JobView to show editors for currently selected items.

Definition at line 30 of file ItemStackWidget.h.

Inheritance diagram for ItemStackWidget:

Collaboration diagram for ItemStackWidget:

Public Slots
virtual void	onModelAboutToBeReset ()
virtual void	onRowsAboutToBeRemoved (const QModelIndex &parent, int first, int)

Public Member Functions
	ItemStackWidget (QWidget *parent=nullptr)
QSize	minimumSizeHint () const override
void	setModel (SessionModel *model)
void	setSizeHint (const QSize &size_hint)
QSize	sizeHint () const override

Protected Member Functions
void	connectModel ()
void	disconnectModel ()
virtual void	removeWidgetForItem (SessionItem *item)=0
virtual void	removeWidgets ()=0
void	validateItem (SessionItem *item)
	Checks if model was set correctly. More...

Protected Attributes
SessionModel *	m_model
QSize	m_size_hint
class QStackedWidget *	m_stackedWidget

Constructor & Destructor Documentation

ItemStackWidget()

ItemStackWidget::ItemStackWidget

(

QWidget *

parent = nullptr

)

Definition at line 21 of file ItemStackWidget.cpp.

    : QWidget(parent)
    , m_stackedWidget(new QStackedWidget)
    , m_model(nullptr)
    , m_size_hint(QSize(1024, 1024))
{
    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
    m_stackedWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 
    auto* layout = new QVBoxLayout;
    layout->setMargin(0);
    layout->setSpacing(0);
    layout->setContentsMargins(0, 0, 0, 0);
    layout->addWidget(m_stackedWidget);
    setLayout(layout);
}

References m_stackedWidget.

Member Function Documentation

connectModel()

void ItemStackWidget::connectModel ( )

protected

Definition at line 74 of file ItemStackWidget.cpp.

{
    if (!m_model)
        return;
 
    connect(m_model, &SessionModel::modelAboutToBeReset, this,
            &ItemStackWidget::onModelAboutToBeReset, Qt::UniqueConnection);
 
    connect(m_model, &SessionModel::rowsAboutToBeRemoved, this,
            &ItemStackWidget::onRowsAboutToBeRemoved, Qt::UniqueConnection);
}

References m_model, onModelAboutToBeReset(), and onRowsAboutToBeRemoved().

Referenced by setModel().

Here is the call graph for this function:

disconnectModel()

void ItemStackWidget::disconnectModel ( )

protected

Definition at line 86 of file ItemStackWidget.cpp.

{
    if (!m_model)
        return;
 
    disconnect(m_model, &SessionModel::modelAboutToBeReset, this,
               &ItemStackWidget::onModelAboutToBeReset);
 
    disconnect(m_model, &SessionModel::rowsAboutToBeRemoved, this,
               &ItemStackWidget::onRowsAboutToBeRemoved);
}

References m_model, onModelAboutToBeReset(), and onRowsAboutToBeRemoved().

Referenced by setModel().

Here is the call graph for this function:

minimumSizeHint()

QSize ItemStackWidget::minimumSizeHint ( ) const

override

Definition at line 53 of file ItemStackWidget.cpp.

{
    return QSize(25, 25);
}

onModelAboutToBeReset

void ItemStackWidget::onModelAboutToBeReset ( )

virtualslot

Definition at line 63 of file ItemStackWidget.cpp.

{
    removeWidgets();
}

References removeWidgets().

Referenced by connectModel(), and disconnectModel().

Here is the call graph for this function:

onRowsAboutToBeRemoved

void ItemStackWidget::onRowsAboutToBeRemoved ( const QModelIndex &  parent, int  first, int    )

virtualslot

Definition at line 68 of file ItemStackWidget.cpp.

{
    SessionItem* item = m_model->itemForIndex(m_model->index(first, 0, parent));
    removeWidgetForItem(item);
}

References SessionModel::index(), SessionModel::itemForIndex(), m_model, and removeWidgetForItem().

Referenced by connectModel(), and disconnectModel().

Here is the call graph for this function:

removeWidgetForItem()

virtual void ItemStackWidget::removeWidgetForItem ( SessionItem *  item )

protectedpure virtual

Implemented in ItemStackPresenter< T >, ItemStackPresenter< ParameterTuningWidget >, and ItemStackPresenter< RealDataPresenter >.

Referenced by onRowsAboutToBeRemoved().

removeWidgets()

virtual void ItemStackWidget::removeWidgets ( )

protectedpure virtual

Implemented in ItemStackPresenter< T >, ItemStackPresenter< ParameterTuningWidget >, and ItemStackPresenter< RealDataPresenter >.

Referenced by onModelAboutToBeReset().

setModel()

void ItemStackWidget::setModel

(

SessionModel *

model

)

Definition at line 38 of file ItemStackWidget.cpp.

{
    if (model == m_model)
        return;
 
    disconnectModel();
    m_model = model;
    connectModel();
}

References connectModel(), disconnectModel(), and m_model.

Referenced by ImportDataView::ImportDataView(), JobRealTimeWidget::JobRealTimeWidget(), and validateItem().

Here is the call graph for this function:

setSizeHint()

void ItemStackWidget::setSizeHint

(

const QSize &

size_hint

)

Definition at line 58 of file ItemStackWidget.cpp.

{
    m_size_hint = size_hint;
}

References m_size_hint.

Referenced by ImportDataView::ImportDataView().

sizeHint()

QSize ItemStackWidget::sizeHint ( ) const

override

Definition at line 48 of file ItemStackWidget.cpp.

{
    return m_size_hint;
}

References m_size_hint.

validateItem()

void ItemStackWidget::validateItem ( SessionItem *  item )

protected

Checks if model was set correctly.

Definition at line 100 of file ItemStackWidget.cpp.

{
    if (!item)
        return;
 
    if (m_model) {
        if (m_model != item->model())
            // in principle it should be possible, but should be tested
            throw Error("ItemStackWidget::validateItem() -> Error. "
                        "Attempt to use items from different models.");
    } else {
        setModel(item->model());
    }
}

References Error, m_model, SessionItem::model(), and setModel().

Here is the call graph for this function:

Member Data Documentation

m_model

SessionModel* ItemStackWidget::m_model

protected

Definition at line 55 of file ItemStackWidget.h.

Referenced by connectModel(), disconnectModel(), onRowsAboutToBeRemoved(), setModel(), and validateItem().

m_size_hint

QSize ItemStackWidget::m_size_hint

protected

Definition at line 56 of file ItemStackWidget.h.

Referenced by setSizeHint(), and sizeHint().

m_stackedWidget

class QStackedWidget* ItemStackWidget::m_stackedWidget

protected

Definition at line 54 of file ItemStackWidget.h.

Referenced by ItemStackWidget().

---

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

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/View/Common/ItemStackWidget.h
• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/View/Common/ItemStackWidget.cpp