qgsmaplayerproxymodel.h

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/***************************************************************************
   qgsmaplayerproxymodel.h
    --------------------------------------
   Date                 : 01.04.2014
   Copyright            : (C) 2014 Denis Rouzaud
   Email                : [email protected]
***************************************************************************
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
***************************************************************************/
 
#ifndef QGSMAPLAYERPROXYMODEL_H
#define QGSMAPLAYERPROXYMODEL_H
 
#include <QSortFilterProxyModel>
#include <QStringList>
 
#include "qgis_core.h"
#include "qgis_sip.h"
 
class QgsMapLayerModel;
class QgsMapLayer;
 
class CORE_EXPORT QgsMapLayerProxyModel : public QSortFilterProxyModel
{
    Q_OBJECT
 
    Q_PROPERTY( QgsMapLayerProxyModel::Filters filters READ filters WRITE setFilters )
    Q_PROPERTY( QList<QgsMapLayer *> exceptedLayerList READ exceptedLayerList WRITE setExceptedLayerList )
    Q_PROPERTY( QStringList exceptedLayerIds READ exceptedLayerIds WRITE setExceptedLayerIds )
 
  public:
    enum Filter
    {
      RasterLayer = 1,
      NoGeometry = 2,
      PointLayer = 4,
      LineLayer = 8,
      PolygonLayer = 16,
      HasGeometry = PointLayer | LineLayer | PolygonLayer,
      VectorLayer = NoGeometry | HasGeometry,
      PluginLayer = 32,
      WritableLayer = 64,
      MeshLayer = 128, 
      VectorTileLayer = 256, 
      All = RasterLayer | VectorLayer | PluginLayer | MeshLayer | VectorTileLayer
    };
    Q_DECLARE_FLAGS( Filters, Filter )
    Q_FLAG( Filters )
 
    
    explicit QgsMapLayerProxyModel( QObject *parent SIP_TRANSFERTHIS = nullptr );
 
    QgsMapLayerModel *sourceLayerModel() const { return mModel; }
 
    QgsMapLayerProxyModel *setFilters( QgsMapLayerProxyModel::Filters filters );
 
    const Filters &filters() const { return mFilters; }
 
    static bool layerMatchesFilters( const QgsMapLayer *layer, const Filters &filters );
 
    Q_DECL_DEPRECATED void setLayerWhitelist( const QList<QgsMapLayer *> &layers ) SIP_DEPRECATED;
 
    void setLayerAllowlist( const QList<QgsMapLayer *> &layers );
 
    Q_DECL_DEPRECATED QList<QgsMapLayer *> layerWhitelist() SIP_DEPRECATED {return mLayerAllowlist;}
 
    QList<QgsMapLayer *> layerAllowlist() {return mLayerAllowlist;}
 
    void setExceptedLayerList( const QList<QgsMapLayer *> &exceptList );
 
    QList<QgsMapLayer *> exceptedLayerList() {return mExceptList;}
 
    void setExceptedLayerIds( const QStringList &ids );
 
    QStringList exceptedLayerIds() const;
 
    void setExcludedProviders( const QStringList &providers );
 
    QStringList excludedProviders() const { return mExcludedProviders; }
 
    QString filterString() const { return mFilterString; }
 
    bool acceptsLayer( QgsMapLayer *layer ) const;
 
    bool filterAcceptsRow( int source_row, const QModelIndex &source_parent ) const override;
    bool lessThan( const QModelIndex &left, const QModelIndex &right ) const override;
 
  public slots:
 
    void setFilterString( const QString &filter );
 
  private:
    Filters mFilters;
    QList<QgsMapLayer *> mExceptList;
    QList<QgsMapLayer *> mLayerAllowlist;
    QgsMapLayerModel *mModel = nullptr;
    QStringList mExcludedProviders;
    QString mFilterString;
};
 
Q_DECLARE_OPERATORS_FOR_FLAGS( QgsMapLayerProxyModel::Filters )
 
#endif // QGSMAPLAYERPROXYMODEL_H