#include <qsortfilterproxymodelhelper_p.h>

Inheritance diagram for QSortFilterProxyModelHelper:

Collaboration diagram for QSortFilterProxyModelHelper:

Classes
struct	Mapping

Public Types
enum	Direction { Rows = 0x01 , Columns = 0x02 , Both = Rows \| Columns }
using	IndexMap = QHash<QtPrivate::QModelIndexWrapper, Mapping *>

Public Member Functions
	QSortFilterProxyModelHelper ()
virtual	~QSortFilterProxyModelHelper ()
IndexMap::const_iterator	index_to_iterator (const QModelIndex &proxy_index) const
IndexMap::const_iterator	create_mapping (const QModelIndex &source_parent) const
IndexMap::const_iterator	create_mapping_recursive (const QModelIndex &source_parent) const
bool	can_create_mapping (const QModelIndex &source_parent) const
void	remove_from_mapping (const QModelIndex &source_parent)
void	clearSourceIndexMapping ()
QModelIndex	source_to_proxy (const QModelIndex &source_index) const
void	build_source_to_proxy_mapping (QList< int > &proxy_to_source, QList< int > &source_to_proxy, int start=0) const
QModelIndex	proxy_to_source (const QModelIndex &proxy_index) const
void	updateChildrenMapping (const QModelIndex &source_parent, Mapping *parent_mapping, Direction direction, int start, int end, int delta_item_count, bool remove)
void	proxy_item_range (const QList< int > &source_to_proxy, const QList< int > &source_items, int &proxy_low, int &proxy_high) const
QModelIndexPairList	store_persistent_indexes () const
void	update_persistent_indexes (const QModelIndexPairList &source_indexes)
virtual void	filter_changed (Direction dir=Direction::Both, const QModelIndex &source_parent=QModelIndex())
virtual QSet< int >	handle_filter_changed (QList< int > &source_to_proxy, QList< int > &proxy_to_source, const QModelIndex &source_parent, Direction direction)
virtual void	insert_source_items (QList< int > &source_to_proxy, QList< int > &proxy_to_source, const QList< int > &source_items, const QModelIndex &source_parent, Direction direction, bool emit_signal=true)
virtual void	source_items_inserted (const QModelIndex &source_parent, int start, int end, Direction direction)
virtual void	source_items_about_to_be_removed (const QModelIndex &source_parent, int start, int end, Direction direction)
virtual void	source_items_removed (const QModelIndex &source_parent, int start, int end, Direction direction)
virtual void	remove_source_items (QList< int > &source_to_proxy, QList< int > &proxy_to_source, const QList< int > &source_items, const QModelIndex &source_parent, Direction direction, bool emit_signal=true)
virtual void	remove_proxy_interval (QList< int > &source_to_proxy, QList< int > &proxy_to_source, int proxy_start, int proxy_end, const QModelIndex &proxy_parent, Direction direction, bool emit_signal=true)
virtual QList< std::pair< int, int > >	proxy_intervals_for_source_items (const QList< int > &source_to_proxy, const QList< int > &source_items) const
virtual QList< std::pair< int, QList< int > > >	proxy_intervals_for_source_items_to_add (const QList< int > &, const QList< int > &, const QModelIndex &, Direction) const
virtual void	sort ()

Static Public Member Functions
static void	setProperties (QVariant target, const QQmlSortFilterProxyModel proxyModel, const QModelIndex &sourceIndex)
static QSet< int >	qListToSet (const QList< int > &vector)

Public Attributes
IndexMap	source_index_mapping

Protected Member Functions
virtual const QAbstractProxyModel *	proxyModel () const =0
virtual void	beginInsertRows (const QModelIndex &, int, int)
virtual void	beginInsertColumns (const QModelIndex &, int, int)
virtual void	endInsertRows ()
virtual void	endInsertColumns ()
virtual void	beginRemoveRows (const QModelIndex &, int, int)
virtual void	beginRemoveColumns (const QModelIndex &, int, int)
virtual void	endRemoveRows ()
virtual void	endRemoveColumns ()
virtual void	beginResetModel ()
virtual void	endResetModel ()
virtual QModelIndex	createIndex (int, int, IndexMap::const_iterator) const
virtual void	changePersistentIndexList (const QModelIndexList &, const QModelIndexList &)
virtual bool	filterAcceptsRowInternal (int, const QModelIndex &) const
virtual bool	filterAcceptsRow (int, const QModelIndex &) const
virtual bool	filterAcceptsColumnInternal (int, const QModelIndex &) const
virtual bool	filterAcceptsColumn (int, const QModelIndex &) const
virtual void	sort_source_rows (QList< int > &, const QModelIndex &) const
virtual bool	lessThan (const QModelIndex &, const QModelIndex &) const

Friends
class	QQmlSortFilterProxyModelGreaterThan
class	QQmlSortFilterProxyModelLessThan

Detailed Description

Definition at line 31 of file qsortfilterproxymodelhelper_p.h.

Member Typedef Documentation

◆ IndexMap

using QSortFilterProxyModelHelper::IndexMap = QHash<QtPrivate::QModelIndexWrapper, Mapping *>

Definition at line 59 of file qsortfilterproxymodelhelper_p.h.

Member Enumeration Documentation

◆ Direction

enum QSortFilterProxyModelHelper::Direction

Enumerator
Rows
Columns
Both

Definition at line 44 of file qsortfilterproxymodelhelper_p.h.

Constructor & Destructor Documentation

◆ QSortFilterProxyModelHelper()

QSortFilterProxyModelHelper::QSortFilterProxyModelHelper ( )

Definition at line 12 of file qsortfilterproxymodelhelper.cpp.

◆ ~QSortFilterProxyModelHelper()

QSortFilterProxyModelHelper::~QSortFilterProxyModelHelper ( )

virtual

Definition at line 17 of file qsortfilterproxymodelhelper.cpp.

Member Function Documentation

◆ beginInsertColumns()

virtual void QSortFilterProxyModelHelper::beginInsertColumns	(	const QModelIndex &	,
		int	,
		int	)

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 128 of file qsortfilterproxymodelhelper_p.h.

◆ beginInsertRows()

virtual void QSortFilterProxyModelHelper::beginInsertRows	(	const QModelIndex &	,
		int	,
		int	)

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 127 of file qsortfilterproxymodelhelper_p.h.

◆ beginRemoveColumns()

virtual void QSortFilterProxyModelHelper::beginRemoveColumns	(	const QModelIndex &	,
		int	,
		int	)

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 132 of file qsortfilterproxymodelhelper_p.h.

◆ beginRemoveRows()

virtual void QSortFilterProxyModelHelper::beginRemoveRows	(	const QModelIndex &	,
		int	,
		int	)

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 131 of file qsortfilterproxymodelhelper_p.h.

◆ beginResetModel()

virtual void QSortFilterProxyModelHelper::beginResetModel ( )

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 135 of file qsortfilterproxymodelhelper_p.h.

◆ build_source_to_proxy_mapping()

void QSortFilterProxyModelHelper::build_source_to_proxy_mapping	(	QList< int > &	proxy_to_source,
		QList< int > &	source_to_proxy,
		int	start = 0 ) const

Definition at line 234 of file qsortfilterproxymodelhelper.cpp.

◆ can_create_mapping()

bool QSortFilterProxyModelHelper::can_create_mapping ( const QModelIndex & source_parent ) const

Definition at line 244 of file qsortfilterproxymodelhelper.cpp.

◆ changePersistentIndexList()

virtual void QSortFilterProxyModelHelper::changePersistentIndexList	(	const QModelIndexList &	,
		const QModelIndexList &	)

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 139 of file qsortfilterproxymodelhelper_p.h.

◆ clearSourceIndexMapping()

void QSortFilterProxyModelHelper::clearSourceIndexMapping ( )

Definition at line 64 of file qsortfilterproxymodelhelper.cpp.

◆ create_mapping()

IndexMap::const_iterator QSortFilterProxyModelHelper::create_mapping ( const QModelIndex & source_parent ) const

Definition at line 70 of file qsortfilterproxymodelhelper.cpp.

◆ create_mapping_recursive()

QSortFilterProxyModelHelper::IndexMap::const_iterator QSortFilterProxyModelHelper::create_mapping_recursive ( const QModelIndex & source_parent ) const

Definition at line 117 of file qsortfilterproxymodelhelper.cpp.

◆ createIndex()

virtual QModelIndex QSortFilterProxyModelHelper::createIndex	(	int	,
		int	,
		IndexMap::const_iterator	) const

inlineprotectedvirtual

Definition at line 138 of file qsortfilterproxymodelhelper_p.h.

◆ endInsertColumns()

virtual void QSortFilterProxyModelHelper::endInsertColumns ( )

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 130 of file qsortfilterproxymodelhelper_p.h.

◆ endInsertRows()

virtual void QSortFilterProxyModelHelper::endInsertRows ( )

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 129 of file qsortfilterproxymodelhelper_p.h.

◆ endRemoveColumns()

virtual void QSortFilterProxyModelHelper::endRemoveColumns ( )

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 134 of file qsortfilterproxymodelhelper_p.h.

◆ endRemoveRows()

virtual void QSortFilterProxyModelHelper::endRemoveRows ( )

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 133 of file qsortfilterproxymodelhelper_p.h.

◆ endResetModel()

virtual void QSortFilterProxyModelHelper::endResetModel ( )

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 136 of file qsortfilterproxymodelhelper_p.h.

◆ filter_changed()

void QSortFilterProxyModelHelper::filter_changed	(	Direction	dir = Direction::Both,
		const QModelIndex &	source_parent = QModelIndex() )

virtual

Definition at line 701 of file qsortfilterproxymodelhelper.cpp.

◆ filterAcceptsColumn()

virtual bool QSortFilterProxyModelHelper::filterAcceptsColumn	(	int	,
		const QModelIndex &	) const

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 143 of file qsortfilterproxymodelhelper_p.h.

◆ filterAcceptsColumnInternal()

virtual bool QSortFilterProxyModelHelper::filterAcceptsColumnInternal	(	int	,
		const QModelIndex &	) const

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 142 of file qsortfilterproxymodelhelper_p.h.

◆ filterAcceptsRow()

virtual bool QSortFilterProxyModelHelper::filterAcceptsRow	(	int	,
		const QModelIndex &	) const

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 141 of file qsortfilterproxymodelhelper_p.h.

◆ filterAcceptsRowInternal()

virtual bool QSortFilterProxyModelHelper::filterAcceptsRowInternal	(	int	,
		const QModelIndex &	) const

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 140 of file qsortfilterproxymodelhelper_p.h.

◆ handle_filter_changed()

QSet< int > QSortFilterProxyModelHelper::handle_filter_changed	(	QList< int > &	source_to_proxy,
		QList< int > &	proxy_to_source,
		const QModelIndex &	source_parent,
		Direction	direction )

virtual

Definition at line 660 of file qsortfilterproxymodelhelper.cpp.

◆ index_to_iterator()

IndexMap::const_iterator QSortFilterProxyModelHelper::index_to_iterator ( const QModelIndex & proxy_index ) const

inline

Definition at line 64 of file qsortfilterproxymodelhelper_p.h.

◆ insert_source_items()

void QSortFilterProxyModelHelper::insert_source_items	(	QList< int > &	source_to_proxy,
		QList< int > &	proxy_to_source,
		const QList< int > &	source_items,
		const QModelIndex &	source_parent,
		Direction	direction,
		bool	emit_signal = true )

virtual

Given source-to-proxy mapping source_to_proxy and proxy-to-source mapping proxy_to_source, inserts the given source_items into this proxy model. The source items are inserted in intervals (based on some sorted order), so that the proper rows/columnsInserted(start, end) signals will be generated.

Definition at line 590 of file qsortfilterproxymodelhelper.cpp.

◆ lessThan()

virtual bool QSortFilterProxyModelHelper::lessThan	(	const QModelIndex &	,
		const QModelIndex &	) const

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 145 of file qsortfilterproxymodelhelper_p.h.

◆ proxy_intervals_for_source_items()

QList< std::pair< int, int > > QSortFilterProxyModelHelper::proxy_intervals_for_source_items	(	const QList< int > &	source_to_proxy,
		const QList< int > &	source_items ) const

virtual

Given source-to-proxy mapping source_to_proxy and the set of source items source_items (which are part of that mapping), determines the corresponding proxy item intervals that should be removed from the proxy model.

The result is a vector of pairs, where each pair represents a (start, end) tuple, sorted in ascending order.

Definition at line 329 of file qsortfilterproxymodelhelper.cpp.

◆ proxy_intervals_for_source_items_to_add()

virtual QList< std::pair< int, QList< int > > > QSortFilterProxyModelHelper::proxy_intervals_for_source_items_to_add	(	const QList< int > &	,
		const QList< int > &	,
		const QModelIndex &	,
		Direction	) const

inlinevirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 119 of file qsortfilterproxymodelhelper_p.h.

◆ proxy_item_range()

void QSortFilterProxyModelHelper::proxy_item_range	(	const QList< int > &	source_to_proxy,
		const QList< int > &	source_items,
		int &	proxy_low,
		int &	proxy_high ) const

Definition at line 272 of file qsortfilterproxymodelhelper.cpp.

◆ proxy_to_source()

QModelIndex QSortFilterProxyModelHelper::proxy_to_source ( const QModelIndex & proxy_index ) const

Definition at line 215 of file qsortfilterproxymodelhelper.cpp.

◆ proxyModel()

virtual const QAbstractProxyModel * QSortFilterProxyModelHelper::proxyModel ( ) const

protectedpure virtual

Implemented in QQmlSortFilterProxyModelPrivate.

◆ qListToSet()

QSet< int > QSortFilterProxyModelHelper::qListToSet ( const QList< int > & vector )

inlinestatic

Definition at line 62 of file qsortfilterproxymodelhelper_p.h.

◆ remove_from_mapping()

void QSortFilterProxyModelHelper::remove_from_mapping ( const QModelIndex & source_parent )

Definition at line 263 of file qsortfilterproxymodelhelper.cpp.

◆ remove_proxy_interval()

void QSortFilterProxyModelHelper::remove_proxy_interval	(	QList< int > &	source_to_proxy,
		QList< int > &	proxy_to_source,
		int	proxy_start,
		int	proxy_end,
		const QModelIndex &	proxy_parent,
		Direction	direction,
		bool	emit_signal = true )

virtual

Given source-to-proxy mapping source_to_proxy and proxy-to-source mapping proxy_to_source, removes items from proxy_start to proxy_end (inclusive) from this proxy model.

Definition at line 372 of file qsortfilterproxymodelhelper.cpp.

◆ remove_source_items()

void QSortFilterProxyModelHelper::remove_source_items	(	QList< int > &	source_to_proxy,
		QList< int > &	proxy_to_source,
		const QList< int > &	source_items,
		const QModelIndex &	source_parent,
		Direction	direction,
		bool	emit_signal = true )

virtual

Given source-to-proxy mapping src_to_proxy and proxy-to-source mapping proxy_to_source, removes source_items from this proxy model. The corresponding proxy items are removed in intervals, so that the proper rows/columnsRemoved(start, end) signals will be generated.

Definition at line 638 of file qsortfilterproxymodelhelper.cpp.

◆ setProperties()

void QSortFilterProxyModelHelper::setProperties	(	QVariant *	target,
		const QQmlSortFilterProxyModel *	proxyModel,
		const QModelIndex &	sourceIndex )

static

Definition at line 37 of file qsortfilterproxymodelhelper.cpp.

◆ sort()

void QSortFilterProxyModelHelper::sort ( )

virtual

Sorts the existing mappings.

Definition at line 744 of file qsortfilterproxymodelhelper.cpp.

◆ sort_source_rows()

virtual void QSortFilterProxyModelHelper::sort_source_rows	(	QList< int > &	,
		const QModelIndex &	) const

inlineprotectedvirtual

Reimplemented in QQmlSortFilterProxyModelPrivate.

Definition at line 144 of file qsortfilterproxymodelhelper_p.h.

◆ source_items_about_to_be_removed()

void QSortFilterProxyModelHelper::source_items_about_to_be_removed	(	const QModelIndex &	source_parent,
		int	start,
		int	end,
		Direction	direction )

virtual

Handles source model items removal (columnsAboutToBeRemoved(), rowsAboutToBeRemoved()).

Definition at line 504 of file qsortfilterproxymodelhelper.cpp.

◆ source_items_inserted()

void QSortFilterProxyModelHelper::source_items_inserted	(	const QModelIndex &	source_parent,
		int	start,
		int	end,
		Direction	direction )

virtual

Handles source model items insertion (columnsInserted(), rowsInserted()). Determines 1) which of the inserted items to also insert into proxy model (filtering), 2) where to insert the items into the proxy model (sorting), then inserts those items. The items are inserted into the proxy model in intervals (based on sorted order), so that the proper rows/columnsInserted(start, end) signals will be generated.

Definition at line 407 of file qsortfilterproxymodelhelper.cpp.

◆ source_items_removed()

void QSortFilterProxyModelHelper::source_items_removed	(	const QModelIndex &	source_parent,
		int	start,
		int	end,
		Direction	direction )

virtual

Handles source model items removal (columnsRemoved(), rowsRemoved()).

Definition at line 537 of file qsortfilterproxymodelhelper.cpp.

◆ source_to_proxy()

QModelIndex QSortFilterProxyModelHelper::source_to_proxy ( const QModelIndex & source_index ) const

Definition at line 194 of file qsortfilterproxymodelhelper.cpp.

◆ store_persistent_indexes()

QModelIndexPairList QSortFilterProxyModelHelper::store_persistent_indexes ( ) const

Definition at line 288 of file qsortfilterproxymodelhelper.cpp.

◆ update_persistent_indexes()

void QSortFilterProxyModelHelper::update_persistent_indexes ( const QModelIndexPairList & source_indexes )

Definition at line 301 of file qsortfilterproxymodelhelper.cpp.

◆ updateChildrenMapping()

void QSortFilterProxyModelHelper::updateChildrenMapping	(	const QModelIndex &	source_parent,
		Mapping *	parent_mapping,
		Direction	direction,
		int	start,
		int	end,
		int	delta_item_count,
		bool	remove )

updates the mapping of the children when inserting or removing items

Definition at line 145 of file qsortfilterproxymodelhelper.cpp.

◆ QQmlSortFilterProxyModelGreaterThan

friend class QQmlSortFilterProxyModelGreaterThan

friend

Definition at line 33 of file qsortfilterproxymodelhelper_p.h.

◆ QQmlSortFilterProxyModelLessThan

friend class QQmlSortFilterProxyModelLessThan

friend

Definition at line 34 of file qsortfilterproxymodelhelper_p.h.

Member Data Documentation

◆ source_index_mapping

IndexMap QSortFilterProxyModelHelper::source_index_mapping

mutable

Definition at line 60 of file qsortfilterproxymodelhelper_p.h.

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

qtdeclarative/src/qmlmodels/sfpm/qsortfilterproxymodelhelper_p.h (d968532e67ac68d7a1176b9e2439002ab970d86a)
qtdeclarative/src/qmlmodels/sfpm/qsortfilterproxymodelhelper.cpp (9efc1fb4ac7982f105a13781fccff74a61907601)

Classes

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Protected Member Functions

Friends

Detailed Description

Member Typedef Documentation

◆ IndexMap

Member Enumeration Documentation

◆ Direction

Constructor & Destructor Documentation

◆ QSortFilterProxyModelHelper()

◆ ~QSortFilterProxyModelHelper()

Member Function Documentation

◆ beginInsertColumns()

◆ beginInsertRows()

◆ beginRemoveColumns()

◆ beginRemoveRows()

◆ beginResetModel()

◆ build_source_to_proxy_mapping()

◆ can_create_mapping()

◆ changePersistentIndexList()

◆ clearSourceIndexMapping()

◆ create_mapping()

◆ create_mapping_recursive()

◆ createIndex()

◆ endInsertColumns()

◆ endInsertRows()

◆ endRemoveColumns()

◆ endRemoveRows()

◆ endResetModel()

◆ filter_changed()

◆ filterAcceptsColumn()

◆ filterAcceptsColumnInternal()

◆ filterAcceptsRow()

◆ filterAcceptsRowInternal()

◆ handle_filter_changed()

◆ index_to_iterator()

◆ insert_source_items()

◆ lessThan()

◆ proxy_intervals_for_source_items()

◆ proxy_intervals_for_source_items_to_add()

◆ proxy_item_range()

◆ proxy_to_source()

◆ proxyModel()

◆ qListToSet()

◆ remove_from_mapping()

◆ remove_proxy_interval()

◆ remove_source_items()

◆ setProperties()

◆ sort()

◆ sort_source_rows()

◆ source_items_about_to_be_removed()

◆ source_items_inserted()

◆ source_items_removed()

◆ source_to_proxy()

◆ store_persistent_indexes()

◆ update_persistent_indexes()

◆ updateChildrenMapping()

Friends And Related Symbol Documentation

◆ QQmlSortFilterProxyModelGreaterThan

◆ QQmlSortFilterProxyModelLessThan

Member Data Documentation

◆ source_index_mapping