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src
core
qgsgroupedfeaturefilterprovider.h
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/***************************************************************************
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qgsgroupedfeaturefilterprovider.h
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-------------------------------
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begin : 2025-07-26
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copyright : (C) 2025 by Mathieu Pellerin
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email : mathieu at opengis dot ch
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSGROUPEDFEATUREFILTERPROVIDER_H
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#define QGSGROUPEDFEATUREFILTERPROVIDER_H
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#include "qgis_core.h"
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#include "
qgsfeaturefilterprovider.h
"
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#include <QList>
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class
CORE_EXPORT
QgsGroupedFeatureFilterProvider
:
public
QgsFeatureFilterProvider
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{
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public
:
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QgsGroupedFeatureFilterProvider
() =
default
;
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Q_DECL_DEPRECATED
bool
isFilterThreadSafe
() const override
SIP_DEPRECATED
;
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Q_DECL_DEPRECATED
void
filterFeatures
( const
QgsVectorLayer
*layer,
QgsFeatureRequest
&
filterFeatures
) const override
SIP_DEPRECATED
;
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void
filterFeatures
( const QString &layerId,
QgsFeatureRequest
&
filterFeatures
) const override;
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QStringList
layerAttributes
( const
QgsVectorLayer
*layer, const QStringList &attributes ) const override;
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QgsGroupedFeatureFilterProvider
*
clone
() const override
SIP_FACTORY
;
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QgsGroupedFeatureFilterProvider
&
addProvider
( const
QgsFeatureFilterProvider
*provider );
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private:
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QList<const
QgsFeatureFilterProvider
*> mProviders;
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};
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#endif
QgsFeatureFilterProvider::isFilterThreadSafe
virtual Q_DECL_DEPRECATED bool isFilterThreadSafe() const
Returns true if the filterFeature function is thread safe, which will lead to reliance on layer ID in...
Definition
qgsfeaturefilterprovider.h:58
QgsFeatureFilterProvider::QgsFeatureFilterProvider
QgsFeatureFilterProvider()=default
QgsFeatureRequest
Wraps a request for features to a vector layer (or directly its vector data provider).
Definition
qgsfeaturerequest.h:85
QgsGroupedFeatureFilterProvider::QgsGroupedFeatureFilterProvider
QgsGroupedFeatureFilterProvider()=default
Constructor.
QgsGroupedFeatureFilterProvider::clone
QgsGroupedFeatureFilterProvider * clone() const override
Create a clone of the feature filter provider.
Definition
qgsgroupedfeaturefilterprovider.cpp:83
QgsGroupedFeatureFilterProvider::filterFeatures
Q_DECL_DEPRECATED void filterFeatures(const QgsVectorLayer *layer, QgsFeatureRequest &filterFeatures) const override
Add additional filters to the feature request to further restrict the features returned by the reques...
Definition
qgsgroupedfeaturefilterprovider.cpp:37
QgsGroupedFeatureFilterProvider::addProvider
QgsGroupedFeatureFilterProvider & addProvider(const QgsFeatureFilterProvider *provider)
Add another filter provider to the group.
Definition
qgsgroupedfeaturefilterprovider.cpp:90
QgsGroupedFeatureFilterProvider::layerAttributes
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.
Definition
qgsgroupedfeaturefilterprovider.cpp:72
QgsVectorLayer
Represents a vector layer which manages a vector based dataset.
Definition
qgsvectorlayer.h:414
SIP_DEPRECATED
#define SIP_DEPRECATED
Definition
qgis_sip.h:113
SIP_FACTORY
#define SIP_FACTORY
Definition
qgis_sip.h:83
qgsfeaturefilterprovider.h
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