QgsIFeatureSelectionManager Class Reference

Is an interface class to abstract feature selection handling. More...

#include <qgsifeatureselectionmanager.h>

Inheritance diagram for QgsIFeatureSelectionManager:

Signals
void	selectionChanged (const QgsFeatureIds selected, const QgsFeatureIds deselected, const bool clearAndSelect)
	This signal is emitted when selection was changed.

Public Member Functions
	QgsIFeatureSelectionManager (QObject *parent)
virtual int	selectedFeatureCount ()=0
	The number of features that are selected in this layer.
virtual void	select (const QgsFeatureIds &ids)=0
	Select features.
virtual void	deselect (const QgsFeatureIds &ids)=0
	Deselect features.
virtual void	setSelectedFeatures (const QgsFeatureIds &ids)=0
	Change selection to the new set of features.
virtual const QgsFeatureIds &	selectedFeaturesIds () const =0
	Return reference to identifiers of selected features.

Detailed Description

Is an interface class to abstract feature selection handling.

e.g. QgsVectorLayer implements this interface to manage its selections.

Constructor & Destructor Documentation

QgsIFeatureSelectionManager::QgsIFeatureSelectionManager ( QObject *  parent )

inline

Member Function Documentation

virtual void QgsIFeatureSelectionManager::deselect ( const QgsFeatureIds &  ids )

pure virtual

Deselect features.

Parameters

ids	Feature ids to deselect

Implemented in QgsVectorLayerSelectionManager, and QgsGenericFeatureSelectionManager.

virtual void QgsIFeatureSelectionManager::select ( const QgsFeatureIds &  ids )

pure virtual

Select features.

Parameters

ids	Feature ids to select

Implemented in QgsVectorLayerSelectionManager, and QgsGenericFeatureSelectionManager.

virtual int QgsIFeatureSelectionManager::selectedFeatureCount ( )

pure virtual

The number of features that are selected in this layer.

Returns

See description

Implemented in QgsGenericFeatureSelectionManager, and QgsVectorLayerSelectionManager.

virtual const QgsFeatureIds& QgsIFeatureSelectionManager::selectedFeaturesIds ( ) const

pure virtual

Return reference to identifiers of selected features.

Returns

A list of QgsFeatureId 's

See Also

selectedFeatures()

Implemented in QgsVectorLayerSelectionManager, and QgsGenericFeatureSelectionManager.

void QgsIFeatureSelectionManager::selectionChanged ( const QgsFeatureIds  selected, const QgsFeatureIds  deselected, const bool  clearAndSelect  )

signal

This signal is emitted when selection was changed.

Parameters

selected	Newly selected feature ids
deselected	Ids of all features which have previously been selected but are not any more
clearAndSelect	In case this is set to true, the old selection was dismissed and the new selection corresponds to selected

virtual void QgsIFeatureSelectionManager::setSelectedFeatures ( const QgsFeatureIds &  ids )

pure virtual

Change selection to the new set of features.

Dismisses the current selection. Will emit the selectionChanged( QgsFeatureIds, QgsFeatureIds, bool ) signal with the clearAndSelect flag set.

Parameters

ids	The ids which will be the new selection

Implemented in QgsVectorLayerSelectionManager, and QgsGenericFeatureSelectionManager.

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

• /tmp/buildd/qgis-2.6.0+wheezy1/src/gui/attributetable/qgsifeatureselectionmanager.h