qgsvectorlayereditutils.h

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/***************************************************************************
    qgsvectorlayereditutils.h
    ---------------------
    begin                : Dezember 2012
    copyright            : (C) 2012 by Martin Dobias
    email                : wonder dot sk at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   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 QGSVECTORLAYEREDITUTILS_H
#define QGSVECTORLAYEREDITUTILS_H


#include "qgis_core.h"
#include "qgis.h"
#include "qgsfeature.h"
#include "qgsgeometry.h"
#include "qgsvectorlayer.h"

class QgsCurve;

class CORE_EXPORT QgsVectorLayerEditUtils
{
  public:
    QgsVectorLayerEditUtils( QgsVectorLayer *layer );

    bool insertVertex( double x, double y, QgsFeatureId atFeatureId, int beforeVertex );

    bool insertVertex( const QgsPoint &point, QgsFeatureId atFeatureId, int beforeVertex );

    bool moveVertex( double x, double y, QgsFeatureId atFeatureId, int atVertex );

    bool moveVertex( const QgsPoint &p, QgsFeatureId atFeatureId, int atVertex ) SIP_PYNAME( moveVertexV2 );

    QgsVectorLayer::EditResult deleteVertex( QgsFeatureId featureId, int vertex );

    QgsGeometry::OperationResult addRing( const QVector<QgsPointXY> &ring, const QgsFeatureIds &targetFeatureIds = QgsFeatureIds(), QgsFeatureId *modifiedFeatureId = nullptr );

    QgsGeometry::OperationResult addRing( QgsCurve *ring, const QgsFeatureIds &targetFeatureIds = QgsFeatureIds(), QgsFeatureId *modifiedFeatureId = nullptr ) SIP_PYNAME( addCurvedRing );

    QgsGeometry::OperationResult addPart( const QList<QgsPointXY> &ring, QgsFeatureId featureId );

    QgsGeometry::OperationResult addPart( const QgsPointSequence &ring, QgsFeatureId featureId );

    QgsGeometry::OperationResult addPart( QgsCurve *ring, QgsFeatureId featureId ) SIP_PYNAME( addCurvedPart );

    int translateFeature( QgsFeatureId featureId, double dx, double dy );

    QgsGeometry::OperationResult splitParts( const QVector<QgsPointXY> &splitLine, bool topologicalEditing = false );

    QgsGeometry::OperationResult splitFeatures( const QVector<QgsPointXY> &splitLine, bool topologicalEditing = false );

    int addTopologicalPoints( const QgsGeometry &geom );

    int addTopologicalPoints( const QgsPointXY &p );

  private:

    bool boundingBoxFromPointList( const QVector<QgsPointXY> &list, double &xmin, double &ymin, double &xmax, double &ymax ) const;

    QgsVectorLayer *mLayer = nullptr;
};

#endif // QGSVECTORLAYEREDITUTILS_H