Listens to the updates in map layer registry and does changes in layer tree. More...

#include <qgslayertreeregistrybridge.h>

Inheritance diagram for QgsLayerTreeRegistryBridge:

Classes
struct	InsertionPoint
	A structure to define the insertion point to the layer tree. More...

Signals
void	addedLayersToLayerTree (const QList< QgsMapLayer * > &layers)
	Tell others we have just added layers to the tree (used in QGIS to auto-select first newly added layer)

Public Member Functions
	QgsLayerTreeRegistryBridge (QgsLayerTreeGroup root, QgsProject project, QObject *parent=nullptr)
	Create the instance that synchronizes given project with a layer tree root.

bool	isEnabled () const

Qgis::LayerTreeInsertionMethod	layerInsertionMethod () const
	Returns the insertion method used to add layers to the tree.

bool	newLayersVisible () const

void	setEnabled (bool enabled)

void	setLayerInsertionMethod (Qgis::LayerTreeInsertionMethod method)
	Sets the insertion method used to add layers to the tree.

void	setLayerInsertionPoint (const InsertionPoint &insertionPoint)
	Set where the new layers should be inserted - can be used to follow current selection.

Q_DECL_DEPRECATED void	setLayerInsertionPoint (QgsLayerTreeGroup *parentGroup, int index)
	Set where the new layers should be inserted - can be used to follow current selection.

void	setNewLayersVisible (bool enabled)

Protected Slots
void	groupRemovedChildren ()

void	groupWillRemoveChildren (QgsLayerTreeNode *node, int indexFrom, int indexTo)

void	layersAdded (const QList< QgsMapLayer * > &layers)

void	layersWillBeRemoved (const QStringList &layerIds)

void	removeLayersFromRegistry (const QStringList &layerIds)

Protected Attributes
bool	mEnabled

Qgis::LayerTreeInsertionMethod	mInsertionMethod = Qgis::LayerTreeInsertionMethod::AboveInsertionPoint

InsertionPoint	mInsertionPoint

QStringList	mLayerIdsForRemoval

bool	mNewLayersVisible

QgsProject *	mProject = nullptr

bool	mRegistryRemovingLayers

QgsLayerTreeGroup *	mRoot = nullptr

Detailed Description

Listens to the updates in map layer registry and does changes in layer tree.

When connected to a layer tree, any layers added to the map layer registry will be also added to the layer tree. Similarly, map layers that are removed from registry will be removed from the layer tree.

If a layer is completely removed from the layer tree, it will be also removed from the map layer registry.

Definition at line 44 of file qgslayertreeregistrybridge.h.

Constructor & Destructor Documentation

◆ QgsLayerTreeRegistryBridge()

QgsLayerTreeRegistryBridge::QgsLayerTreeRegistryBridge	(	QgsLayerTreeGroup *	root,
		QgsProject *	project,
		QObject *	parent = `nullptr`
	)

explicit

Create the instance that synchronizes given project with a layer tree root.

Definition at line 23 of file qgslayertreeregistrybridge.cpp.

Member Function Documentation

◆ addedLayersToLayerTree

void QgsLayerTreeRegistryBridge::addedLayersToLayerTree ( const QList< QgsMapLayer * > & layers )

signal

Tell others we have just added layers to the tree (used in QGIS to auto-select first newly added layer)

◆ groupRemovedChildren

void QgsLayerTreeRegistryBridge::groupRemovedChildren ( )

protectedslot

Definition at line 149 of file qgslayertreeregistrybridge.cpp.

◆ groupWillRemoveChildren

void QgsLayerTreeRegistryBridge::groupWillRemoveChildren	(	QgsLayerTreeNode *	node,
		int	indexFrom,
		int	indexTo
	)

protectedslot

Definition at line 136 of file qgslayertreeregistrybridge.cpp.

◆ isEnabled()

bool QgsLayerTreeRegistryBridge::isEnabled ( ) const

inline

Definition at line 68 of file qgslayertreeregistrybridge.h.

◆ layerInsertionMethod()

Qgis::LayerTreeInsertionMethod QgsLayerTreeRegistryBridge::layerInsertionMethod ( ) const

inline

Returns the insertion method used to add layers to the tree.

Since: QGIS 3.30

Definition at line 97 of file qgslayertreeregistrybridge.h.

◆ layersAdded

void QgsLayerTreeRegistryBridge::layersAdded ( const QList< QgsMapLayer * > & layers )

protectedslot

Definition at line 50 of file qgslayertreeregistrybridge.cpp.

◆ layersWillBeRemoved

void QgsLayerTreeRegistryBridge::layersWillBeRemoved ( const QStringList & layerIds )

protectedslot

Definition at line 97 of file qgslayertreeregistrybridge.cpp.

◆ newLayersVisible()

bool QgsLayerTreeRegistryBridge::newLayersVisible ( ) const

inline

Definition at line 71 of file qgslayertreeregistrybridge.h.

◆ removeLayersFromRegistry

void QgsLayerTreeRegistryBridge::removeLayersFromRegistry ( const QStringList & layerIds )

protectedslot

Definition at line 171 of file qgslayertreeregistrybridge.cpp.

◆ setEnabled()

void QgsLayerTreeRegistryBridge::setEnabled ( bool enabled )

inline

Definition at line 67 of file qgslayertreeregistrybridge.h.

◆ setLayerInsertionMethod()

void QgsLayerTreeRegistryBridge::setLayerInsertionMethod ( Qgis::LayerTreeInsertionMethod method )

inline

Sets the insertion method used to add layers to the tree.

Since: QGIS 3.30

Definition at line 91 of file qgslayertreeregistrybridge.h.

◆ setLayerInsertionPoint() [1/2]

void QgsLayerTreeRegistryBridge::setLayerInsertionPoint ( const InsertionPoint & insertionPoint )

Set where the new layers should be inserted - can be used to follow current selection.

By default it is root group with zero index.

Since: QGIS 3.10

Definition at line 45 of file qgslayertreeregistrybridge.cpp.

◆ setLayerInsertionPoint() [2/2]

void QgsLayerTreeRegistryBridge::setLayerInsertionPoint	(	QgsLayerTreeGroup *	parentGroup,
		int	index
	)

Set where the new layers should be inserted - can be used to follow current selection.

By default it is root group with zero index.

Deprecated:: since QGIS 3.10 use setLayerInsertionPoint( const InsertionPoint &insertionPoint ) instead

Definition at line 39 of file qgslayertreeregistrybridge.cpp.

◆ setNewLayersVisible()

void QgsLayerTreeRegistryBridge::setNewLayersVisible ( bool enabled )

inline

Definition at line 70 of file qgslayertreeregistrybridge.h.

Member Data Documentation

◆ mEnabled

bool QgsLayerTreeRegistryBridge::mEnabled

protected

Definition at line 120 of file qgslayertreeregistrybridge.h.

◆ mInsertionMethod

Qgis::LayerTreeInsertionMethod QgsLayerTreeRegistryBridge::mInsertionMethod = Qgis::LayerTreeInsertionMethod::AboveInsertionPoint

protected

Definition at line 124 of file qgslayertreeregistrybridge.h.

◆ mInsertionPoint

InsertionPoint QgsLayerTreeRegistryBridge::mInsertionPoint

protected

Definition at line 123 of file qgslayertreeregistrybridge.h.

◆ mLayerIdsForRemoval

QStringList QgsLayerTreeRegistryBridge::mLayerIdsForRemoval

protected

Definition at line 118 of file qgslayertreeregistrybridge.h.

◆ mNewLayersVisible

bool QgsLayerTreeRegistryBridge::mNewLayersVisible

protected

Definition at line 121 of file qgslayertreeregistrybridge.h.

◆ mProject

QgsProject* QgsLayerTreeRegistryBridge::mProject = nullptr

protected

Definition at line 117 of file qgslayertreeregistrybridge.h.

◆ mRegistryRemovingLayers

bool QgsLayerTreeRegistryBridge::mRegistryRemovingLayers

protected

Definition at line 119 of file qgslayertreeregistrybridge.h.

◆ mRoot

QgsLayerTreeGroup* QgsLayerTreeRegistryBridge::mRoot = nullptr

protected

Definition at line 116 of file qgslayertreeregistrybridge.h.

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

/home/fischer/src/qgis-3.38/src/core/layertree/qgslayertreeregistrybridge.h
/home/fischer/src/qgis-3.38/src/core/layertree/qgslayertreeregistrybridge.cpp

Classes

Signals

Public Member Functions

Protected Slots

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ QgsLayerTreeRegistryBridge()

Member Function Documentation

◆ addedLayersToLayerTree

◆ groupRemovedChildren

◆ groupWillRemoveChildren

◆ isEnabled()

◆ layerInsertionMethod()

◆ layersAdded

◆ layersWillBeRemoved

◆ newLayersVisible()

◆ removeLayersFromRegistry

◆ setEnabled()

◆ setLayerInsertionMethod()

◆ setLayerInsertionPoint() [1/2]

◆ setLayerInsertionPoint() [2/2]

◆ setNewLayersVisible()

Member Data Documentation

◆ mEnabled

◆ mInsertionMethod

◆ mInsertionPoint

◆ mLayerIdsForRemoval

◆ mNewLayersVisible

◆ mProject

◆ mRegistryRemovingLayers

◆ mRoot