KItemModels

View on LXR

#include <KLinkItemSelectionModel>

Inheritance diagram for KLinkItemSelectionModel:

Properties
QItemSelectionModel	linkedItemSelectionModel

Properties inherited from QObject
	objectName

Signals
void	linkedItemSelectionModelChanged ()

Public Member Functions
	KLinkItemSelectionModel (QAbstractItemModel targetModel, QItemSelectionModel linkedItemSelectionModel, QObject *parent=nullptr)

	KLinkItemSelectionModel (QObject *parent=nullptr)

QItemSelectionModel *	linkedItemSelectionModel () const

void	select (const QModelIndex &index, QItemSelectionModel::SelectionFlags command) override

void	select (const QItemSelection &selection, QItemSelectionModel::SelectionFlags command) override

void	setLinkedItemSelectionModel (QItemSelectionModel *selectionModel)

Public Member Functions inherited from QItemSelectionModel
	QItemSelectionModel (QAbstractItemModel *model)

	QItemSelectionModel (QAbstractItemModel model, QObject parent)

virtual void	clear ()

virtual void	clearCurrentIndex ()

void	clearSelection ()

bool	columnIntersectsSelection (int column, const QModelIndex &parent) const

void	currentChanged (const QModelIndex &current, const QModelIndex &previous)

void	currentColumnChanged (const QModelIndex &current, const QModelIndex &previous)

QModelIndex	currentIndex () const

void	currentRowChanged (const QModelIndex &current, const QModelIndex &previous)

bool	hasSelection () const

bool	isColumnSelected (int column, const QModelIndex &parent) const

bool	isRowSelected (int row, const QModelIndex &parent) const

bool	isSelected (const QModelIndex &index) const

const QAbstractItemModel *	model () const

virtual void	reset ()

bool	rowIntersectsSelection (int row, const QModelIndex &parent) const

virtual void	select (const QModelIndex &index, QFlags< QItemSelectionModel::SelectionFlag > command)

virtual void	select (const QItemSelection &selection, QFlags< QItemSelectionModel::SelectionFlag > command)

QModelIndexList	selectedColumns (int row) const

QModelIndexList	selectedIndexes () const

QModelIndexList	selectedRows (int column) const

const QItemSelection	selection () const

void	selectionChanged (const QItemSelection &selected, const QItemSelection &deselected)

virtual void	setCurrentIndex (const QModelIndex &index, QFlags< QItemSelectionModel::SelectionFlag > command)

Public Member Functions inherited from QObject
	QObject (QObject *parent)

bool	blockSignals (bool block)

const QObjectList &	children () const

QMetaObject::Connection	connect (const QObject sender, const char signal, const char *method, Qt::ConnectionType type) const

void	deleteLater ()

void	destroyed (QObject *obj)

bool	disconnect (const char signal, const QObject receiver, const char *method) const

bool	disconnect (const QObject receiver, const char method) const

void	dumpObjectInfo ()

void	dumpObjectTree ()

QList< QByteArray >	dynamicPropertyNames () const

virtual bool	event (QEvent *e)

virtual bool	eventFilter (QObject watched, QEvent event)

T	findChild (const QString &name, QFlags< Qt::FindChildOption > options) const

QList< T >	findChildren (const QString &name, QFlags< Qt::FindChildOption > options) const

QList< T >	findChildren (const QRegExp &regExp, QFlags< Qt::FindChildOption > options) const

QList< T >	findChildren (const QRegularExpression &re, QFlags< Qt::FindChildOption > options) const

bool	inherits (const char *className) const

void	installEventFilter (QObject *filterObj)

bool	isWidgetType () const

bool	isWindowType () const

void	killTimer (int id)

virtual const QMetaObject *	metaObject () const

void	moveToThread (QThread *targetThread)

QString	objectName () const

void	objectNameChanged (const QString &objectName)

QObject *	parent () const

QVariant	property (const char *name) const

void	removeEventFilter (QObject *obj)

void	setObjectName (const QString &name)

void	setParent (QObject *parent)

bool	setProperty (const char *name, const QVariant &value)

bool	signalsBlocked () const

int	startTimer (int interval, Qt::TimerType timerType)

QThread *	thread () const

Protected Attributes
KLinkItemSelectionModelPrivate *const	d_ptr

Additional Inherited Members
Static Public Member Functions inherited from QObject
QMetaObject::Connection	connect (const QObject sender, const char signal, const QObject receiver, const char method, Qt::ConnectionType type)

QMetaObject::Connection	connect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method, Qt::ConnectionType type)

QMetaObject::Connection	connect (const QObject sender, PointerToMemberFunction signal, const QObject receiver, PointerToMemberFunction method, Qt::ConnectionType type)

QMetaObject::Connection	connect (const QObject *sender, PointerToMemberFunction signal, Functor functor)

QMetaObject::Connection	connect (const QObject sender, PointerToMemberFunction signal, const QObject context, Functor functor, Qt::ConnectionType type)

bool	disconnect (const QMetaObject::Connection &connection)

bool	disconnect (const QObject sender, const char signal, const QObject receiver, const char method)

bool	disconnect (const QObject sender, PointerToMemberFunction signal, const QObject receiver, PointerToMemberFunction method)

bool	disconnect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method)

QString	tr (const char sourceText, const char disambiguation, int n)

QString	trUtf8 (const char sourceText, const char disambiguation, int n)

Public Attributes inherited from QItemSelectionModel
typedef	SelectionFlags

Protected Member Functions inherited from QItemSelectionModel
void	emitSelectionChanged (const QItemSelection &newSelection, const QItemSelection &oldSelection)

Protected Member Functions inherited from QObject
virtual void	childEvent (QChildEvent *event)

virtual void	connectNotify (const QMetaMethod &signal)

virtual void	customEvent (QEvent *event)

virtual void	disconnectNotify (const QMetaMethod &signal)

bool	isSignalConnected (const QMetaMethod &signal) const

int	receivers (const char *signal) const

QObject *	sender () const

int	senderSignalIndex () const

virtual void	timerEvent (QTimerEvent *event)

Detailed Description

Makes it possible to share a selection in multiple views which do not have the same source model.

Although multiple views can share the same QItemSelectionModel, the views then need to have the same source model.

If there is a proxy model between the model and one of the views, or different proxy models in each, this class makes it possible to share the selection between the views.

Sharing a QItemSelectionModel between views on the same model is trivial

If a proxy model is used, it is no longer possible to share the QItemSelectionModel directly

A KLinkItemSelectionModel can be used to map the selection through the proxy model

QAbstractItemModel *model = getModel();
QSortFilterProxyModel *proxy = new QSortFilterProxyModel();
proxy->setSourceModel(model);
QTreeView *view1 = new QTreeView(splitter);
view1->setModel(model);
KLinkItemSelectionModel *view2SelectionModel = new KLinkItemSelectionModel( proxy, view1->selectionModel());
QTreeView *view2 = new QTreeView(splitter);
// Note that the QAbstractItemModel passed to KLinkItemSelectionModel must be the same as what is used in the view
view2->setModel(proxy);
view2->setSelectionModel( view2SelectionModel );

Arbitrarily complex proxy configurations on the same root model can be used

QAbstractItemModel *model = getModel();
QSortFilterProxyModel *proxy1 = new QSortFilterProxyModel();
proxy1->setSourceModel(model);
QSortFilterProxyModel *proxy2 = new QSortFilterProxyModel();
proxy2->setSourceModel(proxy1);
QSortFilterProxyModel *proxy3 = new QSortFilterProxyModel();
proxy3->setSourceModel(proxy2);
QTreeView *view1 = new QTreeView(splitter);
view1->setModel(proxy3);
QSortFilterProxyModel *proxy4 = new QSortFilterProxyModel();
proxy4->setSourceModel(model);
QSortFilterProxyModel *proxy5 = new QSortFilterProxyModel();
proxy5->setSourceModel(proxy4);
KLinkItemSelectionModel *view2SelectionModel = new KLinkItemSelectionModel( proxy5, view1->selectionModel());
QTreeView *view2 = new QTreeView(splitter);
// Note that the QAbstractItemModel passed to KLinkItemSelectionModel must be the same as what is used in the view
view2->setModel(proxy5);
view2->setSelectionModel( view2SelectionModel );

Since: 4.5

Author: Stephen Kelly steve.nosp@m.ire@.nosp@m.gmail.nosp@m..com

Definition at line 98 of file klinkitemselectionmodel.h.

Constructor & Destructor Documentation

KLinkItemSelectionModel::KLinkItemSelectionModel	(	QAbstractItemModel *	targetModel,
		QItemSelectionModel *	linkedItemSelectionModel,
		QObject *	parent = `nullptr`
	)

Constructor.

Definition at line 84 of file klinkitemselectionmodel.cpp.

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

KDE's Doxygen guidelines are available online.

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Properties

Signals

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation