Class: QgsIFeatureSelectionManager

class qgis.gui.QgsIFeatureSelectionManager

Bases: PyQt5.QtCore.QObject

Is an interface class to abstract feature selection handling.

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

Methods

childEvent
connectNotify
customEvent
deselect Deselect features by feature ids.
disconnectNotify
isSignalConnected
receivers
select Select features by feature ids.
selectedFeatureCount Returns the number of features that are selected in this layer.
selectedFeatureIds Returns reference to identifiers of selected features
sender
senderSignalIndex
setSelectedFeatures Change selection to the new set of features.
timerEvent

Signals

selectionChanged This signal is emitted when selection was changed

Attributes

childEvent()
connectNotify()
customEvent()
deselect(self, ids: object)

Deselect features by feature ids.

disconnectNotify()
isSignalConnected()
receivers()
select(self, ids: object)

Select features by feature ids.

selectedFeatureCount(self) → int

Returns the number of features that are selected in this layer.

selectedFeatureIds(self) → object

Returns reference to identifiers of selected features

Returns:A list of QgsFeatureId’s
selectionChanged

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 [signal]
sender()
senderSignalIndex()
setSelectedFeatures(self, ids: object)

Change selection to the new set of features. Dismisses the current selection. Will emit the selectionChanged( const :py:class:`QgsFeatureIds`&, const :py:class:`QgsFeatureIds`&, bool ) signal with the clearAndSelect flag set.

Parameters:ids – The ids which will be the new selection
timerEvent()