ModelView::ViewDataItem Class Reference

Represents data role of SessionItem in any cell of Qt's trees and tables. More...

Inheritance diagram for ModelView::ViewDataItem:

Collaboration diagram for ModelView::ViewDataItem:

Public Member Functions
	ViewDataItem (SessionItem *item)
void	appendRow (std::vector< std::unique_ptr< ViewItem >> items)
	Appends a row containing items. More...
ViewItem *	child (int row, int column) const
std::vector< ViewItem * >	children () const
void	clear ()
int	column () const
	Returns the column where the item is located in its parent's child table, or -1 if the item has no parent. More...
int	columnCount () const
	Returns the number of child item columns that the item has. More...
QVariant	data (int role) const override
	Returns the data for given role according to Qt::ItemDataRole namespace definitions. More...
Qt::ItemFlags	flags () const override
	Returns Qt's item flags. More...
void	insertRow (int row, std::vector< std::unique_ptr< ViewItem >> items)
	Insert a row of items at index 'row'. More...
SessionItem *	item () const
int	item_role () const
ViewItem *	parent () const
void	removeRow (int row)
	Removes row of items at given 'row'. Items will be deleted. More...
int	row () const
	Returns the row where the item is located in its parent's child table, or -1 if the item has no parent. More...
int	rowCount () const
	Returns the number of child item rows that the item has. More...
virtual bool	setData (const QVariant &value, int qt_role)
	Sets the data to underlying SessionItem. More...

Protected Member Functions
void	setParent (ViewItem *parent)

Private Attributes
std::unique_ptr< ViewItemImpl >	p_impl

Detailed Description

Represents data role of SessionItem in any cell of Qt's trees and tables.

Definition at line 50 of file standardviewitems.h.

Constructor & Destructor Documentation

ViewDataItem()

ViewDataItem::ViewDataItem ( SessionItem *  item )

explicit

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Definition at line 41 of file standardviewitems.cpp.

: ViewItem(item, ItemDataRole::DATA) {}

Member Function Documentation

appendRow()

void ViewItem::appendRow ( std::vector< std::unique_ptr< ViewItem >>  items )

inherited

Appends a row containing items.

Number of items should be the same as columnCount() (if there are already some rows). If it is a first row, then items can be of any size.

Definition at line 128 of file viewitem.cpp.

{
    for (auto& x : items)
        x->setParent(this);
    p_impl->appendRow(std::move(items));
}

References ModelView::ViewItem::p_impl.

child()

ViewItem * ViewItem::child ( int  row, int  column  ) const

inherited

Definition at line 163 of file viewitem.cpp.

{
    return p_impl->child(row, column);
}

References ModelView::ViewItem::column(), ModelView::ViewItem::p_impl, and ModelView::ViewItem::row().

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children()

std::vector< ViewItem * > ViewItem::children ( ) const

inherited

Definition at line 237 of file viewitem.cpp.

{
    return p_impl->get_children();
}

References ModelView::ViewItem::p_impl.

Referenced by ModelView::ViewModelController::ViewModelControllerImpl::remove_children_of_view().

clear()

void ViewItem::clear ( )

inherited

Definition at line 151 of file viewitem.cpp.

{
    p_impl->children.clear();
    p_impl->rows = 0;
    p_impl->columns = 0;
}

References ModelView::ViewItem::p_impl.

column()

int ViewItem::column ( ) const

inherited

Returns the column where the item is located in its parent's child table, or -1 if the item has no parent.

Definition at line 190 of file viewitem.cpp.

{
    auto index = parent() ? parent()->p_impl->index_of_child(this) : -1;
    return index >= 0 ? index % parent()->p_impl->columns : -1;
}

References ModelView::ViewItem::p_impl, and ModelView::ViewItem::parent().

Referenced by ModelView::ViewItem::ViewItemImpl::child(), ModelView::ViewItem::child(), and ModelView::ViewModelBase::indexFromItem().

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columnCount()

int ViewItem::columnCount ( ) const

inherited

Returns the number of child item columns that the item has.

Definition at line 120 of file viewitem.cpp.

{
    return p_impl->columns;
}

References ModelView::ViewItem::p_impl.

Referenced by ModelView::ViewModelBase::columnCount().

data()

QVariant ViewDataItem::data ( int  qt_role ) const

overridevirtual

Returns the data for given role according to Qt::ItemDataRole namespace definitions.

Converts data and roles from underlying SessionItem to what Qt expects.

Reimplemented from ModelView::ViewItem.

Definition at line 52 of file standardviewitems.cpp.

{
    if (role == Qt::DecorationRole)
        return Utils::DecorationRole(*item());
    else if (role == Qt::CheckStateRole)
        return Utils::CheckStateRole(*item());
 
    return ViewItem::data(role);
}

References SessionItemUtils::CheckStateRole(), ModelView::Utils::CheckStateRole(), ModelView::ViewItem::data(), SessionItemUtils::DecorationRole(), ModelView::Utils::DecorationRole(), and ModelView::ViewItem::item().

Referenced by TEST_F().

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flags()

Qt::ItemFlags ViewDataItem::flags ( ) const

overridevirtual

Returns Qt's item flags.

Converts internal SessionItem's status enable/disabled/readonly to what Qt expects.

Reimplemented from ModelView::ViewItem.

Definition at line 43 of file standardviewitems.cpp.

{
    Qt::ItemFlags result = ViewItem::flags();
    if (item() && item()->isEditable() && item()->isEnabled() && item()->data<QVariant>().isValid())
        result |= Qt::ItemIsEditable;
 
    return result;
}

References ModelView::ViewItem::flags(), and ModelView::ViewItem::item().

Referenced by TEST_F().

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insertRow()

void ViewItem::insertRow ( int  row, std::vector< std::unique_ptr< ViewItem >>  items  )

inherited

Insert a row of items at index 'row'.

Definition at line 137 of file viewitem.cpp.

{
    for (auto& x : items)
        x->setParent(this);
    p_impl->insertRow(row, std::move(items));
}

References ModelView::ViewItem::p_impl, and ModelView::ViewItem::row().

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item()

SessionItem * ViewItem::item ( ) const

inherited

Definition at line 168 of file viewitem.cpp.

{
    return p_impl->item;
}

References ModelView::ViewItem::p_impl.

Referenced by ModelView::PropertyFlatView::PropertyFlatViewImpl::create_label(), ModelView::ViewLabelItem::data(), data(), ModelView::ViewModelController::ViewModelControllerImpl::findViews(), flags(), ModelView::ViewModel::sessionItemFromIndex(), and TEST_F().

item_role()

int ViewItem::item_role ( ) const

inherited

Definition at line 173 of file viewitem.cpp.

{
    return p_impl->role;
}

References ModelView::ViewItem::p_impl.

Referenced by TEST_F().

parent()

ViewItem * ViewItem::parent ( ) const

inherited

Definition at line 158 of file viewitem.cpp.

{
    return p_impl->parent();
}

References ModelView::ViewItem::p_impl.

Referenced by ModelView::ViewItem::column(), ModelView::ViewModelBase::indexFromItem(), ModelView::ViewModelController::ViewModelControllerImpl::remove_row_of_views(), ModelView::ViewItem::row(), and ModelView::ViewItem::setParent().

removeRow()

void ViewItem::removeRow ( int  row )

inherited

Removes row of items at given 'row'. Items will be deleted.

Definition at line 146 of file viewitem.cpp.

{
    p_impl->removeRow(row);
}

References ModelView::ViewItem::p_impl, and ModelView::ViewItem::row().

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row()

int ViewItem::row ( ) const

inherited

Returns the row where the item is located in its parent's child table, or -1 if the item has no parent.

Definition at line 181 of file viewitem.cpp.

{
    auto index = parent() ? parent()->p_impl->index_of_child(this) : -1;
    return index >= 0 ? index / parent()->p_impl->columns : -1;
}

References ModelView::ViewItem::p_impl, and ModelView::ViewItem::parent().

Referenced by ModelView::ViewItem::ViewItemImpl::child(), ModelView::ViewItem::child(), ModelView::ViewModelBase::indexFromItem(), ModelView::ViewItem::ViewItemImpl::insertRow(), ModelView::ViewItem::insertRow(), ModelView::ViewModelController::ViewModelControllerImpl::remove_row_of_views(), ModelView::ViewItem::ViewItemImpl::removeRow(), and ModelView::ViewItem::removeRow().

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rowCount()

int ViewItem::rowCount ( ) const

inherited

Returns the number of child item rows that the item has.

Definition at line 113 of file viewitem.cpp.

{
    return p_impl->rows;
}

References ModelView::ViewItem::p_impl.

Referenced by ModelView::ViewModelBase::rowCount().

setData()

bool ViewItem::setData ( const QVariant &  value, int  qt_role  )

virtualinherited

Sets the data to underlying SessionItem.

Converts data and roles from Qt definitions to what SessionItem expects.

Definition at line 221 of file viewitem.cpp.

{
    if (p_impl->item && qt_role == Qt::EditRole)
        return p_impl->item->setData(Utils::toCustomVariant(value), p_impl->role);
    return false;
}

References ModelView::ViewItem::p_impl, and ModelView::Utils::toCustomVariant().

Referenced by TEST_F().

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setParent()

void ViewItem::setParent ( ViewItem *  parent )

protectedinherited

Definition at line 242 of file viewitem.cpp.

{
    p_impl->parent_view_item = parent;
}

References ModelView::ViewItem::p_impl, and ModelView::ViewItem::parent().

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Member Data Documentation

p_impl

std::unique_ptr<ViewItemImpl> ModelView::ViewItem::p_impl

privateinherited

Definition at line 71 of file viewitem.h.

Referenced by ModelView::ViewItem::appendRow(), ModelView::ViewItem::child(), ModelView::ViewItem::children(), ModelView::ViewItem::clear(), ModelView::ViewItem::column(), ModelView::ViewItem::columnCount(), ModelView::ViewItem::data(), ModelView::ViewItem::insertRow(), ModelView::ViewItem::item(), ModelView::ViewItem::item_role(), ModelView::ViewItem::parent(), ModelView::ViewItem::removeRow(), ModelView::ViewItem::row(), ModelView::ViewItem::rowCount(), ModelView::ViewItem::setData(), and ModelView::ViewItem::setParent().

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

• /home/www/ba/mvvm/viewmodel/mvvm/viewmodel/standardviewitems.h
• /home/www/ba/mvvm/viewmodel/mvvm/viewmodel/standardviewitems.cpp