qgsgeometryoverlapcheck.h

Go to the documentation of this file.

/***************************************************************************
    qgsgeometryoverlapcheck.h
    ---------------------
    begin                : September 2015
    copyright            : (C) 2014 by Sandro Mani / Sourcepole AG
    email                : smani at sourcepole dot ch
 ***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
 
#define SIP_NO_FILE
 
#ifndef QGS_GEOMETRY_OVERLAP_CHECK_H
#define QGS_GEOMETRY_OVERLAP_CHECK_H
 
#include "qgsgeometrycheck.h"
#include "qgsgeometrycheckerror.h"
 
class ANALYSIS_EXPORT QgsGeometryOverlapCheckError : public QgsGeometryCheckError
{
  public:
 
    struct OverlappedFeature
    {
      public:
        OverlappedFeature( QgsVectorLayer *vl, QgsFeatureId fid )
          : mLayerId( vl->id() )
          , mLayerName( vl->name() )
          , mFeatureId( fid )
        {}
 
        QString layerId() const {return mLayerId;}
        QString layerName() const {return mLayerName;}
        QgsFeatureId featureId() const {return mFeatureId;}
        bool operator==( const OverlappedFeature &other ) const {return mLayerId == other.layerId() && mFeatureId == other.featureId();}
 
      private:
        QString mLayerId;
        QString mLayerName;
        QgsFeatureId mFeatureId;
    };
 
    QgsGeometryOverlapCheckError( const QgsGeometryCheck *check,
                                  const QgsGeometryCheckerUtils::LayerFeature &layerFeature,
                                  const QgsGeometry &geometry,
                                  const QgsPointXY &errorLocation,
                                  const QVariant &value,
                                  const QgsGeometryCheckerUtils::LayerFeature &overlappedFeature );
 
    const OverlappedFeature &overlappedFeature() const { return mOverlappedFeature; }
 
    bool isEqual( QgsGeometryCheckError *other ) const override;
 
    bool closeMatch( QgsGeometryCheckError *other ) const override;
 
    bool handleChanges( const QgsGeometryCheck::Changes &changes ) override;
 
    QString description() const override;
 
    QMap<QString, QgsFeatureIds > involvedFeatures() const override;
    QIcon icon() const override;
 
  private:
    OverlappedFeature mOverlappedFeature;
};
 
class ANALYSIS_EXPORT QgsGeometryOverlapCheck : public QgsGeometryCheck
{
    Q_DECLARE_TR_FUNCTIONS( QgsGeometryOverlapCheck )
  public:
 
    enum ResolutionMethod
    {
      Subtract, 
      NoChange 
    };
 
    QgsGeometryOverlapCheck( const QgsGeometryCheckContext *context, const QVariantMap &configuration );
    QList<Qgis::GeometryType> compatibleGeometryTypes() const override { return factoryCompatibleGeometryTypes(); }
    void collectErrors( const QMap<QString, QgsFeaturePool *> &featurePools, QList<QgsGeometryCheckError *> &errors, QStringList &messages, QgsFeedback *feedback, const LayerFeatureIds &ids = LayerFeatureIds() ) const override;
    void fixError( const QMap<QString, QgsFeaturePool *> &featurePools, QgsGeometryCheckError *error, int method, const QMap<QString, int> &mergeAttributeIndices, Changes &changes ) const override;
    Q_DECL_DEPRECATED QStringList resolutionMethods() const override;
 
    QString description() const override;
    QString id() const override;
    QgsGeometryCheck::Flags flags() const override;
    QgsGeometryCheck::CheckType checkType() const override { return factoryCheckType(); }
 
    static QString factoryDescription() SIP_SKIP;
    static QString factoryId() SIP_SKIP;
    static QgsGeometryCheck::Flags factoryFlags() SIP_SKIP;
    static QList<Qgis::GeometryType> factoryCompatibleGeometryTypes() SIP_SKIP;
    static bool factoryIsCompatible( QgsVectorLayer *layer ) SIP_SKIP;
    static QgsGeometryCheck::CheckType factoryCheckType() SIP_SKIP;
 
  private:
    const double mOverlapThresholdMapUnits;
 
};
 
#endif // QGS_GEOMETRY_OVERLAP_CHECK_H