QgsFeatureFilterProviderGroup Class Reference

A filter filter provider grouping several filter providers. More...

#include <qgsfeaturefilterprovidergroup.h>

Inheritance diagram for QgsFeatureFilterProviderGroup:

Public Member Functions
	QgsFeatureFilterProviderGroup ()=default
	Constructor. More...
QgsFeatureFilterProviderGroup &	addProvider (const QgsFeatureFilterProvider *provider)
	Add another filter provider to the group. More...
QgsFeatureFilterProvider *	clone () const override
	Returns a clone of the object. More...
void	filterFeatures (const QgsVectorLayer *layer, QgsFeatureRequest &filterFeatures) const override
	Filter the features of the layer. More...
QStringList	layerAttributes (const QgsVectorLayer *layer, const QStringList &attributes) const override
	Returns the list of visible attribute names from a list of attributes names for the given layer. More...
Public Member Functions inherited from QgsFeatureFilterProvider
	QgsFeatureFilterProvider ()=default
	Constructor. More...
virtual	~QgsFeatureFilterProvider ()=default
virtual QgsFeatureFilterProvider *	clone () const =0
	Create a clone of the feature filter provider. More...
virtual void	filterFeatures (const QgsVectorLayer *layer, QgsFeatureRequest &featureRequest) const =0
	Add additional filters to the feature request to further restrict the features returned by the request. More...
virtual QStringList	layerAttributes (const QgsVectorLayer *layer, const QStringList &attributes) const =0
	Returns the list of visible attribute names from a list of attributes names for the given layer. More...

Detailed Description

A filter filter provider grouping several filter providers.

Since

QGIS 3.0

Definition at line 32 of file qgsfeaturefilterprovidergroup.h.

Constructor & Destructor Documentation

QgsFeatureFilterProviderGroup()

QgsFeatureFilterProviderGroup::QgsFeatureFilterProviderGroup ( )

default

Constructor.

Member Function Documentation

addProvider()

QgsFeatureFilterProviderGroup & QgsFeatureFilterProviderGroup::addProvider

(

const QgsFeatureFilterProvider *

provider

)

Add another filter provider to the group.

Parameters

provider

The provider to add

Returns

itself

Definition at line 52 of file qgsfeaturefilterprovidergroup.cpp.

clone()

QgsFeatureFilterProvider * QgsFeatureFilterProviderGroup::clone ( ) const

overridevirtual

Returns a clone of the object.

Returns

A clone

Implements QgsFeatureFilterProvider.

Definition at line 45 of file qgsfeaturefilterprovidergroup.cpp.

filterFeatures()

void QgsFeatureFilterProviderGroup::filterFeatures ( const QgsVectorLayer *  layer, QgsFeatureRequest &  filterFeatures  ) const

overridevirtual

Filter the features of the layer.

Parameters

layer	the layer to control
filterFeatures	the request to fill

Implements QgsFeatureFilterProvider.

Definition at line 21 of file qgsfeaturefilterprovidergroup.cpp.

layerAttributes()

QStringList QgsFeatureFilterProviderGroup::layerAttributes ( const QgsVectorLayer *  layer, const QStringList &  attributes  ) const

overridevirtual

Returns the list of visible attribute names from a list of attributes names for the given layer.

Since

QGIS 3.18

Implements QgsFeatureFilterProvider.

Definition at line 34 of file qgsfeaturefilterprovidergroup.cpp.

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

• /build/qgis-3.30.0+99sid/src/server/qgsfeaturefilterprovidergroup.h
• /build/qgis-3.30.0+99sid/src/server/qgsfeaturefilterprovidergroup.cpp