QGIS API Documentation
3.16.0-Hannover (43b64b13f3)
src
server
qgsfeaturefilterprovidergroup.h
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/***************************************************************************
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qgsfeaturefilterprovidergroup.h
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-------------------------------
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begin : 26-10-2017
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copyright : (C) 2017 by Patrick Valsecchi
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email : patrick dot valsecchi at camptocamp dot com
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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 QGSFEATUREFILTERPROVIDERGROUP_H
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#define QGSFEATUREFILTERPROVIDERGROUP_H
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#include "
qgsfeaturefilterprovider.h
"
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#include "qgis_server.h"
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#include <QList>
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class
SERVER_EXPORT
QgsFeatureFilterProviderGroup
:
public
QgsFeatureFilterProvider
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{
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public
:
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QgsFeatureFilterProviderGroup
() =
default
;
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void
filterFeatures
(
const
QgsVectorLayer
*layer,
QgsFeatureRequest
&filterFeatures )
const override
;
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QgsFeatureFilterProvider
*
clone
() const override
SIP_FACTORY
;
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QgsFeatureFilterProviderGroup
&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.h
QgsFeatureFilterProviderGroup
A filter filter provider grouping several filter providers.
Definition:
qgsfeaturefilterprovidergroup.h:33
QgsFeatureFilterProviderGroup::QgsFeatureFilterProviderGroup
QgsFeatureFilterProviderGroup()=default
Constructor.
SIP_FACTORY
#define SIP_FACTORY
Definition:
qgis_sip.h:76
QgsFeatureRequest
This class wraps a request for features to a vector layer (or directly its vector data provider).
Definition:
qgsfeaturerequest.h:76
QgsFeatureFilterProvider::filterFeatures
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 reques...
QgsVectorLayer
Represents a vector layer which manages a vector based data sets.
Definition:
qgsvectorlayer.h:387
QgsFeatureFilterProvider::clone
virtual QgsFeatureFilterProvider * clone() const =0
Create a clone of the feature filter provider.
QgsFeatureFilterProvider
Abstract interface for use by classes that filter the features of a layer.
Definition:
qgsfeaturefilterprovider.h:41
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