Class: QgsFeatureFilterProvider¶
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class
qgis.core.
QgsFeatureFilterProvider
¶ Bases:
sip.wrapper
Abstract interface for use by classes that filter the features of a layer. A QgsFeatureFilterProvider provides a method for modifying a QgsFeatureRequest in place to apply additional filters to the request.
New in version 2.14: Enums
Methods
Create a clone of the feature filter provider
Add additional filters to the feature request to further restrict the features returned by the request.
Signals
Attributes
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clone
(self) → QgsFeatureFilterProvider¶ Create a clone of the feature filter provider
- Returns
a new clone
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filterFeatures
(self, layer: QgsVectorLayer, featureRequest: QgsFeatureRequest)¶ Add additional filters to the feature request to further restrict the features returned by the request. Derived classes must implement this method.
- Parameters
layer – the layer to filter
featureRequest – the feature request to update
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