The QgsMapLayerModel class is a model to display layers in widgets. More...

#include <qgsmaplayermodel.h>

Inheritance diagram for QgsMapLayerModel:

Public Types
enum	ItemDataRole { LayerIdRole = Qt::UserRole + 1, LayerRole }
	Item data roles. More...

Public Member Functions
	QgsMapLayerModel (QObject *parent=nullptr)
	QgsMapLayerModel creates a model to display layers in widgets. More...

	QgsMapLayerModel (const QList< QgsMapLayer > &layers, QObject parent=nullptr)
	QgsMapLayerModel creates a model to display a specific list of layers in a widget. More...

void	checkAll (Qt::CheckState checkState)
	checkAll changes the checkstate for all the layers More...

int	columnCount (const QModelIndex &parent) const override

QVariant	data (const QModelIndex &index, int role) const override

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

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

QModelIndex	indexFromLayer (QgsMapLayer *layer) const
	indexFromLayer returns the model index for a given layer More...

bool	itemsCheckable () const
	returns if the items can be checked or not More...

QList< QgsMapLayer * >	layersChecked (Qt::CheckState checkState=Qt::Checked)
	layersChecked returns the list of layers which are checked (or unchecked) More...

QModelIndex	parent (const QModelIndex &child) const override

int	rowCount (const QModelIndex &parent) const override

bool	setData (const QModelIndex &index, const QVariant &value, int role) override

void	setItemsCheckable (bool checkable)
	setItemsCheckable defines if layers should be selectable in the widget More...

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

virtual	~QAbstractItemModel ()

virtual QModelIndex	buddy (const QModelIndex &index) const

virtual bool	canFetchMore (const QModelIndex &parent) const

virtual int	columnCount (const QModelIndex &parent) const=0

void	columnsAboutToBeInserted (const QModelIndex &parent, int start, int end)

void	columnsAboutToBeMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationColumn)

void	columnsAboutToBeRemoved (const QModelIndex &parent, int start, int end)

void	columnsInserted (const QModelIndex &parent, int start, int end)

void	columnsMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationColumn)

void	columnsRemoved (const QModelIndex &parent, int start, int end)

virtual QVariant	data (const QModelIndex &index, int role) const=0

void	dataChanged (const QModelIndex &topLeft, const QModelIndex &bottomRight)

virtual bool	dropMimeData (const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent)

virtual void	fetchMore (const QModelIndex &parent)

virtual bool	hasChildren (const QModelIndex &parent) const

bool	hasIndex (int row, int column, const QModelIndex &parent) const

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

void	headerDataChanged (Qt::Orientation orientation, int first, int last)

virtual QModelIndex	index (int row, int column, const QModelIndex &parent) const=0

bool	insertColumn (int column, const QModelIndex &parent)

virtual bool	insertColumns (int column, int count, const QModelIndex &parent)

bool	insertRow (int row, const QModelIndex &parent)

virtual bool	insertRows (int row, int count, const QModelIndex &parent)

virtual QMap< int, QVariant >	itemData (const QModelIndex &index) const

void	layoutAboutToBeChanged ()

void	layoutChanged ()

virtual QModelIndexList	match (const QModelIndex &start, int role, const QVariant &value, int hits, QFlags< Qt::MatchFlag > flags) const

virtual QMimeData *	mimeData (const QModelIndexList &indexes) const

virtual QStringList	mimeTypes () const

void	modelAboutToBeReset ()

void	modelReset ()

virtual QModelIndex	parent (const QModelIndex &index) const=0

bool	removeColumn (int column, const QModelIndex &parent)

virtual bool	removeColumns (int column, int count, const QModelIndex &parent)

bool	removeRow (int row, const QModelIndex &parent)

virtual bool	removeRows (int row, int count, const QModelIndex &parent)

virtual void	revert ()

const QHash< int, QByteArray > &	roleNames () const

virtual int	rowCount (const QModelIndex &parent) const=0

void	rowsAboutToBeInserted (const QModelIndex &parent, int start, int end)

void	rowsAboutToBeMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationRow)

void	rowsAboutToBeRemoved (const QModelIndex &parent, int start, int end)

void	rowsInserted (const QModelIndex &parent, int start, int end)

void	rowsMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationRow)

void	rowsRemoved (const QModelIndex &parent, int start, int end)

virtual bool	setHeaderData (int section, Qt::Orientation orientation, const QVariant &value, int role)

virtual bool	setItemData (const QModelIndex &index, const QMap< int, QVariant > &roles)

void	setSupportedDragActions (QFlags< Qt::DropAction > actions)

QModelIndex	sibling (int row, int column, const QModelIndex &index) const

virtual void	sort (int column, Qt::SortOrder order)

virtual QSize	span (const QModelIndex &index) const

virtual bool	submit ()

Qt::DropActions	supportedDragActions () const

virtual Qt::DropActions	supportedDropActions () const

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

	QObject (QObject parent, const char name)

virtual	~QObject ()

bool	blockSignals (bool block)

QObject *	child (const char objName, const char inheritsClass, bool recursiveSearch) const

const QObjectList &	children () const

const char *	className () const

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

void	deleteLater ()

void	destroyed (QObject *obj)

bool	disconnect (const QObject receiver, const char method)

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

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) const

QList< T >	findChildren (const QRegExp &regExp) const

QList< T >	findChildren (const QString &name) const

bool	inherits (const char *className) const

void	insertChild (QObject *object)

void	installEventFilter (QObject *filterObj)

bool	isA (const char *className) const

bool	isWidgetType () const

void	killTimer (int id)

virtual const QMetaObject *	metaObject () const

void	moveToThread (QThread *targetThread)

const char *	name () const

const char *	name (const char *defaultName) const

QString	objectName () const

QObject *	parent () const

QVariant	property (const char *name) const

void	removeChild (QObject *object)

void	removeEventFilter (QObject *obj)

void	setName (const char *name)

void	setObjectName (const QString &name)

void	setParent (QObject *parent)

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

bool	signalsBlocked () const

int	startTimer (int interval)

QThread *	thread () const

Protected Slots
void	addLayers (const QList< QgsMapLayer *> &layers)

void	removeLayers (const QStringList &layerIds)

Protected Attributes
bool	mItemCheckable

QList< QgsMapLayer * >	mLayers

QMap< QString, Qt::CheckState >	mLayersChecked

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

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

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

Protected Member Functions inherited from QAbstractItemModel
void	beginInsertColumns (const QModelIndex &parent, int first, int last)

void	beginInsertRows (const QModelIndex &parent, int first, int last)

bool	beginMoveColumns (const QModelIndex &sourceParent, int sourceFirst, int sourceLast, const QModelIndex &destinationParent, int destinationChild)

bool	beginMoveRows (const QModelIndex &sourceParent, int sourceFirst, int sourceLast, const QModelIndex &destinationParent, int destinationChild)

void	beginRemoveColumns (const QModelIndex &parent, int first, int last)

void	beginRemoveRows (const QModelIndex &parent, int first, int last)

void	beginResetModel ()

void	changePersistentIndex (const QModelIndex &from, const QModelIndex &to)

void	changePersistentIndexList (const QModelIndexList &from, const QModelIndexList &to)

QModelIndex	createIndex (int row, int column, void *ptr) const

QModelIndex	createIndex (int row, int column, int id) const

QModelIndex	createIndex (int row, int column, quint32 id) const

void	endInsertColumns ()

void	endInsertRows ()

void	endMoveColumns ()

void	endMoveRows ()

void	endRemoveColumns ()

void	endRemoveRows ()

void	endResetModel ()

QModelIndexList	persistentIndexList () const

void	reset ()

void	resetInternalData ()

void	setRoleNames (const QHash< int, QByteArray > &roleNames)

Protected Member Functions inherited from QObject
bool	checkConnectArgs (const char signal, const QObject object, const char *method)

virtual void	childEvent (QChildEvent *event)

virtual void	connectNotify (const char *signal)

virtual void	customEvent (QEvent *event)

virtual void	disconnectNotify (const char *signal)

int	receivers (const char *signal) const

QObject *	sender () const

int	senderSignalIndex () const

virtual void	timerEvent (QTimerEvent *event)

Static Protected Member Functions inherited from QObject
QByteArray	normalizeSignalSlot (const char *signalSlot)

Properties inherited from QObject
	objectName

Detailed Description

The QgsMapLayerModel class is a model to display layers in widgets.

See also: QgsMapLayerProxyModel to sort and/filter the layers; QgsFieldModel to combine in with a field selector.

Note: added in 2.3

Definition at line 33 of file qgsmaplayermodel.h.

Member Enumeration Documentation

◆ ItemDataRole

enum QgsMapLayerModel::ItemDataRole

Item data roles.

Enumerator
LayerIdRole	Stores the map layer ID
LayerRole	Stores pointer to the map layer itself

Definition at line 39 of file qgsmaplayermodel.h.

Constructor & Destructor Documentation

◆ QgsMapLayerModel() [1/2]

QgsMapLayerModel::QgsMapLayerModel ( QObject * parent = nullptr )

explicit

QgsMapLayerModel creates a model to display layers in widgets.

Definition at line 34 of file qgsmaplayermodel.cpp.

◆ QgsMapLayerModel() [2/2]

QgsMapLayerModel::QgsMapLayerModel	(	const QList< QgsMapLayer *> &	layers,
		QObject *	parent = `nullptr`
	)

explicit

QgsMapLayerModel creates a model to display a specific list of layers in a widget.

Definition at line 25 of file qgsmaplayermodel.cpp.

Member Function Documentation

◆ addLayers

void QgsMapLayerModel::addLayers ( const QList< QgsMapLayer *> & layers )

protectedslot

Definition at line 94 of file qgsmaplayermodel.cpp.

◆ checkAll()

void QgsMapLayerModel::checkAll ( Qt::CheckState checkState )

checkAll changes the checkstate for all the layers

Definition at line 49 of file qgsmaplayermodel.cpp.

◆ columnCount()

int QgsMapLayerModel::columnCount ( const QModelIndex & parent ) const

override

Definition at line 128 of file qgsmaplayermodel.cpp.

◆ data()

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

override

Definition at line 135 of file qgsmaplayermodel.cpp.

◆ flags()

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

overridevirtual

Reimplemented from QAbstractItemModel.

Definition at line 230 of file qgsmaplayermodel.cpp.

◆ index()

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

override

Definition at line 105 of file qgsmaplayermodel.cpp.

◆ indexFromLayer()

QModelIndex QgsMapLayerModel::indexFromLayer ( QgsMapLayer * layer ) const

indexFromLayer returns the model index for a given layer

Definition at line 71 of file qgsmaplayermodel.cpp.

◆ itemsCheckable()

bool QgsMapLayerModel::itemsCheckable ( ) const

inline

returns if the items can be checked or not

Definition at line 67 of file qgsmaplayermodel.h.

◆ layersChecked()

QList< QgsMapLayer * > QgsMapLayerModel::layersChecked ( Qt::CheckState checkState = Qt::Checked )

layersChecked returns the list of layers which are checked (or unchecked)

Definition at line 58 of file qgsmaplayermodel.cpp.

◆ parent()

QModelIndex QgsMapLayerModel::parent ( const QModelIndex & child ) const

override

Definition at line 116 of file qgsmaplayermodel.cpp.

◆ removeLayers

void QgsMapLayerModel::removeLayers ( const QStringList & layerIds )

protectedslot

Definition at line 77 of file qgsmaplayermodel.cpp.

◆ rowCount()

int QgsMapLayerModel::rowCount ( const QModelIndex & parent ) const

override

Definition at line 123 of file qgsmaplayermodel.cpp.

◆ setData()

bool QgsMapLayerModel::setData	(	const QModelIndex &	index,
		const QVariant &	value,
		int	role
	)

overridevirtual

Reimplemented from QAbstractItemModel.

Definition at line 246 of file qgsmaplayermodel.cpp.

◆ setItemsCheckable()

void QgsMapLayerModel::setItemsCheckable ( bool checkable )

setItemsCheckable defines if layers should be selectable in the widget

Definition at line 44 of file qgsmaplayermodel.cpp.

Member Data Documentation

◆ mItemCheckable

bool QgsMapLayerModel::mItemCheckable

protected

Definition at line 82 of file qgsmaplayermodel.h.

◆ mLayers

QList<QgsMapLayer*> QgsMapLayerModel::mLayers

protected

Definition at line 80 of file qgsmaplayermodel.h.

◆ mLayersChecked

QMap<QString, Qt::CheckState> QgsMapLayerModel::mLayersChecked

protected

Definition at line 81 of file qgsmaplayermodel.h.

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

/tmp/buildd/qgis-2.18.21+99unstable/src/gui/qgsmaplayermodel.h
/tmp/buildd/qgis-2.18.21+99unstable/src/gui/qgsmaplayermodel.cpp

Public Types

Public Member Functions

Protected Slots

Protected Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ ItemDataRole

Constructor & Destructor Documentation

◆ QgsMapLayerModel() [1/2]

◆ QgsMapLayerModel() [2/2]

Member Function Documentation

◆ addLayers

◆ checkAll()

◆ columnCount()

◆ data()

◆ flags()

◆ index()

◆ indexFromLayer()

◆ itemsCheckable()

◆ layersChecked()

◆ parent()

◆ removeLayers

◆ rowCount()

◆ setData()

◆ setItemsCheckable()

Member Data Documentation

◆ mItemCheckable

◆ mLayers

◆ mLayersChecked