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Contains static helper methods for working with vector layers. Initially only contains a method to test whether a value exists within a layer's attributes.
23 lines
747 B
Plaintext
23 lines
747 B
Plaintext
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/** \ingroup core
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* \class QgsVectorLayerUtils
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* \brief Contains utility methods for working with QgsVectorLayers.
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*
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* \note Added in version 3.0
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*/
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class QgsVectorLayerUtils
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{
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%TypeHeaderCode
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#include <qgsvectorlayerutils.h>
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%End
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public:
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/**
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* Returns true if the specified value already exists within a field. This method can be used to test for uniqueness
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* of values inside a layer's attributes. An optional list of ignored feature IDs can be provided, if so, any features
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* with IDs within this list are ignored when testing for existance of the value.
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*/
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static bool valueExists( const QgsVectorLayer* layer, int fieldIndex, const QVariant& value, const QgsFeatureIds& ignoreIds = QgsFeatureIds() );
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};
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