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86 lines
3.1 KiB
Plaintext
86 lines
3.1 KiB
Plaintext
/***************************************************************************
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qgsrelation.sip
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--------------------------------------
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Date : 29.4.2013
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Copyright : (C) 2013 Matthias Kuhn
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Email : matthias at opengis dot ch
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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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class QgsRelation
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{
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%TypeHeaderCode
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#include <qgsrelation.h>
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%End
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public:
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QgsRelation();
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static QgsRelation createFromXml( const QDomNode& node );
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void writeXml( QDomNode& node, QDomDocument& doc ) const;
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void setId( const QString& id );
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void setName( const QString& name );
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void setReferencingLayer( const QString& id );
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void setReferencedLayer( const QString& id );
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void addFieldPair( const QString& referencingField, const QString& referencedField );
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// void addFieldPair( const FieldPair& fieldPair );
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QgsFeatureIterator getRelatedFeatures( const QgsFeature& feature ) const;
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QgsFeatureRequest getRelatedFeaturesRequest( const QgsFeature& feature ) const;
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QString getRelatedFeaturesFilter( const QgsFeature& feature ) const;
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QgsFeatureRequest getReferencedFeatureRequest( const QgsAttributes& attributes ) const;
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QgsFeatureRequest getReferencedFeatureRequest( const QgsFeature& feature ) const;
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QgsFeature getReferencedFeature( const QgsFeature& feature ) const;
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QString name() const;
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QString id() const;
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void generateId();
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QString referencingLayerId() const;
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QgsVectorLayer* referencingLayer() const;
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QString referencedLayerId() const;
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QgsVectorLayer* referencedLayer() const;
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/**
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* Returns the field pairs which form this relation
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* The first element of each pair are the field names fo the foreign key.
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* The second element of each pair are the field names of the matching primary key.
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*
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* @return The fields forming the relation
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*/
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QMap< QString, QString > fieldPairs() const;
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%MethodCode
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const QList< QgsRelation::FieldPair >& pairs = sipCpp->fieldPairs();
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sipRes = new QMap< QString, QString >();
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Q_FOREACH( const QgsRelation::FieldPair& pair, pairs )
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{
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sipRes->insert( pair.first, pair.second );
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}
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%End
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QgsAttributeList referencedFields() const;
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QgsAttributeList referencingFields() const;
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bool isValid() const;
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bool hasEqualDefinition( const QgsRelation& other ) const;
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QString resolveReferencedField( const QString& referencingField ) const;
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QString resolveReferencingField( const QString& referencedField ) const;
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};
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