ParameterTuningModel Class Reference

Description

The ParameterTuningModel class represents parameters which can be tuned in real time in ParameterTuningWidget. In the fitting activity context handles dragging of ParameterItem's to the FitParametersWidget.

Definition at line 29 of file ParameterTuningModel.h.

Inheritance diagram for ParameterTuningModel:

Collaboration diagram for ParameterTuningModel:

Public Member Functions
	ParameterTuningModel (QObject *rootObject, QObject *parent=nullptr)
int	columnCount (const QModelIndex &parent=QModelIndex()) const override
QVariant	data (const QModelIndex &index, int role) const override
Qt::ItemFlags	flags (const QModelIndex &index) const override
ParameterItem *	getParameterItem (const QModelIndex &index) const
	Returns ParameterItem from given index. More...
QVariant	headerData (int section, Qt::Orientation orientation, int role) const override
QModelIndex	index (int row, int column, const QModelIndex &parent=QModelIndex()) const override
QModelIndex	indexForItem (ParameterItem *item) const
QMimeData *	mimeData (const QModelIndexList &indexes) const override
QModelIndex	parent (const QModelIndex &index) const override
int	rowCount (const QModelIndex &parent=QModelIndex()) const override
Qt::DropActions	supportedDragActions () const override
Qt::DropActions	supportedDropActions () const override

Static Public Member Functions
static ParameterItem *	toParameterItem (const QModelIndex &index)
static ParameterLabelItem *	toParameterLabelItem (const QModelIndex &index)

Private Attributes
QObject *	m_rootObject

Constructor & Destructor Documentation

ParameterTuningModel()

ParameterTuningModel::ParameterTuningModel	(	QObject *	rootObject,
		QObject *	parent = nullptr
	)

Definition at line 21 of file ParameterTuningModel.cpp.

    : QAbstractItemModel(parent)
    , m_rootObject(rootObject)
{
}

Member Function Documentation

columnCount()

int ParameterTuningModel::columnCount ( const QModelIndex &  parent = QModelIndex() ) const

override

Definition at line 107 of file ParameterTuningModel.cpp.

{
    return 2;
}

data()

QVariant ParameterTuningModel::data ( const QModelIndex &  index, int  role  ) const

override

Definition at line 34 of file ParameterTuningModel.cpp.

{
    if (!index.isValid())
        return {};
 
    if (const auto* label = toParameterLabelItem(index)) {
        if (role == Qt::DisplayRole && index.column() == 0)
            return label->title();
        return {};
    }
 
    if (auto var = toParameterItem(index)) {
        if (role == Qt::DisplayRole || role == Qt::EditRole) {
            if (index.column() == 0)
                return var->title();
            return var->valueOfLink();
        }
        return {};
    }
 
    return {};
}

References index(), toParameterItem(), and toParameterLabelItem().

Referenced by mimeData().

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flags()

Qt::ItemFlags ParameterTuningModel::flags ( const QModelIndex &  index ) const

override

Definition at line 57 of file ParameterTuningModel.cpp.

{
    Qt::ItemFlags result = Qt::ItemIsSelectable | Qt::ItemIsEnabled;
    if (toParameterItem(index)) {
        result |= Qt::ItemIsDragEnabled;
        if (index.column() == 1)
            result |= Qt::ItemIsEditable;
    }
    return result;
}

References index(), and toParameterItem().

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getParameterItem()

ParameterItem * ParameterTuningModel::getParameterItem

(

const QModelIndex &

index

)

const

Returns ParameterItem from given index.

Definition at line 137 of file ParameterTuningModel.cpp.

{
    return toParameterItem(index);
}

References index(), and toParameterItem().

Referenced by ParameterTuningWidget::getSelectedParameters().

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headerData()

QVariant ParameterTuningModel::headerData ( int  section, Qt::Orientation  orientation, int  role  ) const

override

Definition at line 27 of file ParameterTuningModel.cpp.

{
    if (role != Qt::DisplayRole || orientation != Qt::Horizontal)
        return {};
    return (section == 0) ? "Name" : "Value";
}

index()

QModelIndex ParameterTuningModel::index ( int  row, int  column, const QModelIndex &  parent = QModelIndex()  ) const

override

Definition at line 68 of file ParameterTuningModel.cpp.

{
    if (!hasIndex(row, column, parent))
        return {};
 
    if (!parent.isValid())
        return createIndex(row, column, m_rootObject->children()[row]);
 
    if (auto label = toParameterLabelItem(parent))
        return createIndex(row, column, label->children()[row]);
 
    return {};
}

References m_rootObject, parent(), and toParameterLabelItem().

Referenced by data(), flags(), getParameterItem(), mimeData(), parent(), rowCount(), toParameterItem(), and toParameterLabelItem().

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indexForItem()

QModelIndex ParameterTuningModel::indexForItem

(

ParameterItem *

item

)

const

Definition at line 142 of file ParameterTuningModel.cpp.

{
    if (item == nullptr)
        return {};
 
    if (item->parent()) {
        const int row = item->parent()->children().indexOf(item);
        return createIndex(row, 0, item);
    }
 
    return {};
}

Referenced by ParameterTuningWidget::makeSelected().

mimeData()

QMimeData * ParameterTuningModel::mimeData ( const QModelIndexList &  indexes ) const

override

Definition at line 112 of file ParameterTuningModel.cpp.

{
    auto* mimeData = new QMimeData();
 
    for (auto index : indexes) {
        if (ParameterItem* parameterItem = toParameterItem(index)) {
            QByteArray data;
            data.setNum(reinterpret_cast<qlonglong>(parameterItem));
            mimeData->setData(GUI::Session::XML::LinkMimeType, data);
            break;
        }
    }
    return mimeData;
}

References data(), index(), GUI::Session::XML::LinkMimeType, and toParameterItem().

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parent()

QModelIndex ParameterTuningModel::parent ( const QModelIndex &  index ) const

override

Definition at line 82 of file ParameterTuningModel.cpp.

{
    if (!index.isValid())
        return {};
 
    QObject* item = static_cast<QObject*>(index.internalPointer());
    if (item->parent() == m_rootObject)
        return {};
 
    const int row = item->parent()->parent()->children().indexOf(item->parent());
    return createIndex(row, 0, item->parent());
}

References index(), and m_rootObject.

Referenced by index().

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rowCount()

int ParameterTuningModel::rowCount ( const QModelIndex &  parent = QModelIndex() ) const

override

Definition at line 95 of file ParameterTuningModel.cpp.

{
    if (index.column() > 0)
        return 0;
 
    if (!index.isValid())
        return m_rootObject->children().size();
 
    QObject* item = static_cast<QObject*>(index.internalPointer());
    return item->children().size();
}

References index(), and m_rootObject.

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supportedDragActions()

Qt::DropActions ParameterTuningModel::supportedDragActions ( ) const

override

Definition at line 127 of file ParameterTuningModel.cpp.

{
    return Qt::CopyAction;
}

supportedDropActions()

Qt::DropActions ParameterTuningModel::supportedDropActions ( ) const

override

Definition at line 132 of file ParameterTuningModel.cpp.

{
    return Qt::IgnoreAction;
}

toParameterItem()

ParameterItem * ParameterTuningModel::toParameterItem ( const QModelIndex &  index )

static

Definition at line 155 of file ParameterTuningModel.cpp.

{
    QObject* item = static_cast<QObject*>(index.internalPointer());
    return dynamic_cast<ParameterItem*>(item);
}

References index().

Referenced by ParameterTuningDelegate::createEditor(), data(), flags(), getParameterItem(), and mimeData().

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toParameterLabelItem()

ParameterLabelItem * ParameterTuningModel::toParameterLabelItem ( const QModelIndex &  index )

static

Definition at line 161 of file ParameterTuningModel.cpp.

{
    QObject* item = static_cast<QObject*>(index.internalPointer());
    return dynamic_cast<ParameterLabelItem*>(item);
}

References index().

Referenced by data(), and index().

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Member Data Documentation

m_rootObject

QObject* ParameterTuningModel::m_rootObject

private

Definition at line 57 of file ParameterTuningModel.h.

Referenced by index(), parent(), and rowCount().

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

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/Model/Model/ParameterTuningModel.h
• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/Model/Model/ParameterTuningModel.cpp