mirror of
https://github.com/qgis/QGIS.git
synced 2025-03-03 00:02:25 -05:00
c49b5b777f
Rationale: - there was a lot of large objects passed by value, so potentially there's a speed bump from this - even for implicitly shared classes like QString/QList there's still a (small) cost for copying the objects when there's no reason to - it's the right thing to do!
68 lines
2.7 KiB
Plaintext
68 lines
2.7 KiB
Plaintext
class QgsFeatureListModel : QAbstractProxyModel, QgsFeatureModel
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{
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%TypeHeaderCode
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#include <qgsfeaturelistmodel.h>
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%End
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public:
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struct FeatureInfo
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{
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public:
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FeatureInfo();
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bool isNew;
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bool isEdited;
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};
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public:
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explicit QgsFeatureListModel( QgsAttributeTableFilterModel *sourceModel, QObject* parent /TransferThis/ = 0 );
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virtual ~QgsFeatureListModel();
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virtual void setSourceModel( QgsAttributeTableFilterModel* sourceModel );
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QgsVectorLayerCache* layerCache();
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virtual QVariant data( const QModelIndex& index, int role ) const;
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virtual Qt::ItemFlags flags( const QModelIndex& index ) const;
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QgsAttributeTableModel* masterModel();
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/**
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* @param expression A {@link QgsExpression} compatible string.
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* @return true if the expression could be set, false if there was a parse error.
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* If it fails, the old expression will still be applied. Call {@link parserErrorString()}
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* for a meaningful error message.
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*/
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bool setDisplayExpression( const QString& expression );
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/**
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* @brief Returns a detailed message about errors while parsing a QgsExpression.
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* @return A message containg information about the parser error.
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*/
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QString parserErrorString();
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QString displayExpression() const;
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bool featureByIndex( const QModelIndex& index, QgsFeature& feat );
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QgsFeatureId idxToFid( const QModelIndex& index ) const;
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QModelIndex fidToIdx( const QgsFeatureId fid ) const;
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virtual QModelIndex mapToSource( const QModelIndex& proxyIndex ) const;
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virtual QModelIndex mapFromSource( const QModelIndex& sourceIndex ) const;
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virtual QModelIndex mapToMaster( const QModelIndex& proxyIndex ) const;
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virtual QModelIndex mapFromMaster( const QModelIndex& sourceIndex ) const;
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virtual QItemSelection mapSelectionFromMaster( const QItemSelection& selection ) const;
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virtual QItemSelection mapSelectionToMaster( const QItemSelection& selection ) const;
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virtual QModelIndex index( int row, int column, const QModelIndex& parent = QModelIndex() ) const;
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virtual QModelIndex parent( const QModelIndex& child ) const;
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virtual int columnCount( const QModelIndex&parent = QModelIndex() ) const;
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virtual int rowCount( const QModelIndex& parent = QModelIndex() ) const;
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QModelIndex fidToIndex( QgsFeatureId fid );
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QModelIndexList fidToIndexList( QgsFeatureId fid );
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public slots:
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void onBeginRemoveRows( const QModelIndex& parent, int first, int last );
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void onEndRemoveRows( const QModelIndex& parent, int first, int last );
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void onBeginInsertRows( const QModelIndex& parent, int first, int last );
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void onEndInsertRows( const QModelIndex& parent, int first, int last );
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};
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