mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-27 00:33:48 -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!
58 lines
1.7 KiB
Plaintext
58 lines
1.7 KiB
Plaintext
/**
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* @brief The QgsMapLayerProxModel class provides an easy to use model to display the list of layers in widgets.
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* @note added in 2.3
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*/
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class QgsMapLayerProxyModel : QSortFilterProxyModel
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{
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%TypeHeaderCode
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#include "qgsmaplayerproxymodel.h"
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%End
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public:
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enum Filter
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{
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RasterLayer,
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NoGeometry,
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PointLayer,
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LineLayer,
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PolygonLayer,
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HasGeometry,
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VectorLayer,
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PluginLayer,
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All
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};
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typedef QFlags<QgsMapLayerProxyModel::Filter> Filters;
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/**
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* @brief QgsMapLayerProxModel creates a proxy model with a QgsMapLayerModel as source model.
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* It can be used to filter the layers list in a widget.
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*/
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explicit QgsMapLayerProxyModel( QObject *parent /TransferThis/ = 0 );
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/**
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* @brief layerModel returns the QgsMapLayerModel used in this QSortFilterProxyModel
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*/
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QgsMapLayerModel* sourceLayerModel() const;
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/**
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* @brief setFilters set flags that affect how layers are filtered
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* @param filters are Filter flags
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* @note added in 2.3
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*/
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QgsMapLayerProxyModel* setFilters( const Filters& filters );
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const Filters& filters() const;
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//! offer the possibility to except some layers to be listed
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void setExceptedLayerList( const QList<QgsMapLayer*>& exceptList );
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QList<QgsMapLayer*> exceptedLayerList();
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// QSortFilterProxyModel interface
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public:
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bool filterAcceptsRow( int source_row, const QModelIndex &source_parent ) const;
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bool lessThan( const QModelIndex &left, const QModelIndex &right ) const;
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};
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QFlags<QgsMapLayerProxyModel::Filter> operator|(QgsMapLayerProxyModel::Filter f1, QFlags<QgsMapLayerProxyModel::Filter> f2);
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