SessionItemUtils Namespace Reference

Functions
QVariant	CheckStateRole (const SessionItem &item)
	Returns check state for given item. More...
bool	CompatibleVariantTypes (const QVariant &oldValue, const QVariant &newValue)
	Returns true if variants has compatible types. More...
QVariant	DecorationRole (const SessionItem &item)
	Returns tooltip for given item. More...
QVariant	ForegroundRole (const SessionItem &item)
	Returns text color for given item. More...
GroupInfo	GetGroupInfo (const QString &group_type)
	Returns GroupInfo for group property construction. More...
bool	HasOwnAbundance (const SessionItem *item)
bool	IsPositionRelated (const SessionItem &item)
	Returns true if current item is related to the position on sample editor canvas. More...
bool	IsTheSame (const QVariant &var1, const QVariant &var2)
	Returns true if given variants have same type and value. More...
bool	IsValidGroup (const QString &group_type)
	Returns true if there is registered group. More...
int	ParentRow (const SessionItem &item)
	Returns the index of the given item within its parent. Returns -1 when no parent is set. More...
int	ParentVisibleRow (const SessionItem &item)
	Returns the row of the given item within its parent not accounting for all hidden items above. More...
QVariant	ToolTipRole (const SessionItem &item, int ncol=0)
	Returns tooltip for given item. More...
int	VariantType (const QVariant &variant)
	Returns type of variant (additionally checks for user type). More...

Function Documentation

CheckStateRole()

QVariant SessionItemUtils::CheckStateRole

(

const SessionItem &

item

)

Returns check state for given item.

Definition at line 93 of file SessionItemUtils.cpp.

{
    if (item.value().type() == QVariant::Bool)
        return item.value().toBool() ? Qt::Checked : Qt::Unchecked;
    return QVariant();
}

References SessionItem::value().

Referenced by ModelView::ViewDataItem::data(), MultiComboPropertyEditor::initEditor(), ModelView::SelectableComboBoxEditor::onModelDataChanged(), and ModelView::SelectableComboBoxEditor::update_components().

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CompatibleVariantTypes()

bool SessionItemUtils::CompatibleVariantTypes	(	const QVariant &	oldValue,
		const QVariant &	newValue
	)

Returns true if variants has compatible types.

Definition at line 118 of file SessionItemUtils.cpp.

{
    // if olfValue is undefined than it is compatible with any value, otherwise newValue
    // should have same variant type as oldValue
 
    if (oldValue.isValid())
        return SessionItemUtils::VariantType(oldValue) == SessionItemUtils::VariantType(newValue);
    else
        return true;
}

References VariantType().

Referenced by SessionItem::setValue().

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DecorationRole()

QVariant SessionItemUtils::DecorationRole

(

const SessionItem &

item

)

Returns tooltip for given item.

Definition at line 85 of file SessionItemUtils.cpp.

{
    if (item.value().canConvert<ExternalProperty>())
        return QIcon(item.value().value<ExternalProperty>().pixmap());
 
    return QVariant();
}

References ExternalProperty::pixmap(), and SessionItem::value().

Referenced by SessionDecorationModel::data(), qdesigner_internal::WidgetBoxCategoryModel::data(), AbstractDataLoaderResultModel::data(), RealDataTreeModel::data(), ModelView::ViewDataItem::data(), TEST_F(), and ModelView::ExternalPropertyComboEditor::update_components().

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ForegroundRole()

QVariant SessionItemUtils::ForegroundRole

(

const SessionItem &

item

)

Returns text color for given item.

Definition at line 68 of file SessionItemUtils.cpp.

{
    return item.isEnabled() ? QVariant() : QColor(Qt::gray);
}

References SessionItem::isEnabled().

Referenced by ModelView::PropertyFlatView::PropertyFlatViewImpl::connect_model(), SessionDecorationModel::data(), AbstractDataLoaderResultModel::data(), RealDataTreeModel::data(), FitParameterProxyModel::data(), ModelView::ViewItem::data(), ModelView::Utils::ItemRoleToQtRole(), and TEST_F().

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GetGroupInfo()

GroupInfo SessionItemUtils::GetGroupInfo

(

const QString &

group_type

)

Returns GroupInfo for group property construction.

Definition at line 105 of file SessionItemUtils.cpp.

{
    return groupInfoCatalog().groupInfo(group_type);
}

Referenced by SessionItem::addGroupProperty().

HasOwnAbundance()

bool SessionItemUtils::HasOwnAbundance

(

const SessionItem *

item

)

Definition at line 156 of file SessionItemUtils.cpp.

{
    static QStringList special_parent = parents_with_abundance();
    return item ? special_parent.contains(item->modelType()) : false;
}

References SessionItem::modelType().

Referenced by MesoCrystalItem::MesoCrystalItem(), ParticleCompositionItem::ParticleCompositionItem(), ParticleCoreShellItem::ParticleCoreShellItem(), and ParticleItem::updatePropertiesAppearance().

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IsPositionRelated()

bool SessionItemUtils::IsPositionRelated

(

const SessionItem &

item

)

Returns true if current item is related to the position on sample editor canvas.

Definition at line 146 of file SessionItemUtils.cpp.

{
    if (item.modelType() == "Property"
        && (item.displayName() == SessionGraphicsItem::P_XPOS
            || item.displayName() == SessionGraphicsItem::P_YPOS))
        return true;
 
    return false;
}

References SessionItem::displayName(), SessionItem::modelType(), SessionGraphicsItem::P_XPOS, and SessionGraphicsItem::P_YPOS.

Referenced by PySampleWidget::onDataChanged(), and RealSpaceCanvas::onDataChanged().

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IsTheSame()

bool SessionItemUtils::IsTheSame	(	const QVariant &	var1,
		const QVariant &	var2
	)

Returns true if given variants have same type and value.

For custom variants (ComboProperty, ExternalProperty) will always return false (see explanations in cpp file).

Definition at line 132 of file SessionItemUtils.cpp.

{
    // variants of different type are always reported as not the same
    if (VariantType(var1) != VariantType(var2))
        return false;
 
    // custom type variants are always reported as not the same
    if (var1.type() == QVariant::UserType)
        return false;
 
    // standard variants (based on double, int, etc) are compared by value they are holding
    return var1 == var2;
}

References VariantType().

Referenced by SessionItemData::ItemData::operator==(), and SessionItemData::setData().

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IsValidGroup()

bool SessionItemUtils::IsValidGroup

(

const QString &

group_type

)

Returns true if there is registered group.

Definition at line 100 of file SessionItemUtils.cpp.

{
    return groupInfoCatalog().containsGroup(group_type);
}

Referenced by SessionItem::addGroupProperty().

ParentRow()

int SessionItemUtils::ParentRow

(

const SessionItem &

item

)

Returns the index of the given item within its parent. Returns -1 when no parent is set.

Definition at line 43 of file SessionItemUtils.cpp.

{
    if (item.parent())
        return item.parent()->rowOfChild(const_cast<SessionItem*>(&item));
    return -1;
}

References SessionItem::parent(), and SessionItem::rowOfChild().

Referenced by FitParameterProxyModel::indexOfItem(), SessionModel::parent(), and FitParameterProxyModel::parent().

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ParentVisibleRow()

int SessionItemUtils::ParentVisibleRow

(

const SessionItem &

item

)

Returns the row of the given item within its parent not accounting for all hidden items above.

Returns -1 when no parent set or item is hidden.

Definition at line 50 of file SessionItemUtils.cpp.

{
    int result(-1);
 
    if (!item.parent() || !item.isVisible())
        return result;
 
    for (auto child : item.parent()->children()) {
        if (child->isVisible())
            ++result;
 
        if (&item == child)
            return result;
    }
 
    return result;
}

References SessionItem::children(), SessionItem::isVisible(), and SessionItem::parent().

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ToolTipRole()

QVariant SessionItemUtils::ToolTipRole	(	const SessionItem &	item,
		int	ncol = 0
	)

Returns tooltip for given item.

Definition at line 73 of file SessionItemUtils.cpp.

{
    QString result = item.toolTip();
    if (result.isEmpty()) {
        result = item.displayName();
        if (ncol == 1 && item.value().canConvert<QString>())
            result = item.value().toString();
    }
 
    return QVariant(result);
}

References SessionItem::displayName(), SessionItem::toolTip(), and SessionItem::value().

Referenced by SessionModel::data(), qdesigner_internal::WidgetBoxCategoryModel::data(), AbstractDataLoaderResultModel::data(), RealDataTreeModel::data(), FitParameterProxyModel::data(), ModelView::ViewItem::data(), FitParameterProxyModel::headerData(), ModelView::Utils::ItemRoleToQtRole(), SessionItem::setToolTip(), TEST_F(), SessionItem::toolTip(), and PropertyWidgetItem::updateItemRoles().

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VariantType()

int SessionItemUtils::VariantType

(

const QVariant &

variant

)

Returns type of variant (additionally checks for user type).

Definition at line 110 of file SessionItemUtils.cpp.

{
    int result = static_cast<int>(variant.type());
    if (result == QVariant::UserType)
        result = variant.userType();
    return result;
}

Referenced by CompatibleVariantTypes(), IsTheSame(), ModelView::Utils::IsTheSame(), and ParameterTuningDelegate::paint().