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48 lines
1.6 KiB
Plaintext
48 lines
1.6 KiB
Plaintext
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// abstract feature iterator implementations are not part of public API
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class QgsVectorLayerFeatureIterator : QgsAbstractFeatureIterator
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{
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%TypeHeaderCode
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#include <qgsvectorlayerfeatureiterator.h>
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%End
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public:
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~QgsVectorLayerFeatureIterator();
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//! reset the iterator to the starting position
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virtual bool rewind();
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//! end of iterating: free the resources / lock
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virtual bool close();
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protected:
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//! fetch next feature, return true on success
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virtual bool fetchFeature( QgsFeature& feature );
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//! Overrides default method as we only need to filter features in the edit buffer
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//! while for others filtering is left to the provider implementation.
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virtual bool nextFeatureFilterExpression( QgsFeature &f );
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//! Setup the simplification of geometries to fetch using the specified simplify method
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virtual bool prepareSimplification( const QgsSimplifyMethod& simplifyMethod );
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void rewindEditBuffer();
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void prepareJoins();
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bool fetchNextAddedFeature( QgsFeature& f );
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bool fetchNextChangedGeomFeature( QgsFeature& f );
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bool fetchNextChangedAttributeFeature( QgsFeature& f );
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void useAddedFeature( const QgsFeature& src, QgsFeature& f );
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void useChangedAttributeFeature( QgsFeatureId fid, const QgsGeometry& geom, QgsFeature& f );
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bool nextFeatureFid( QgsFeature& f );
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void addJoinedAttributes( QgsFeature &f );
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/** Update feature with uncommited attribute updates */
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void updateChangedAttributes( QgsFeature& f );
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/** Update feature with uncommited geometry updates */
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void updateFeatureGeometry( QgsFeature& f );
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private:
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QgsVectorLayerFeatureIterator();
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};
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