qgsvectorlayerundopassthroughcommand.h

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/***************************************************************************
    qgsvectorlayerundopassthroughcommand.h
    ---------------------
    begin                : June 2017
    copyright            : (C) 2017 by Vincent Mora
    email                : vincent dot mora at osalndia 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 QGSVECTORLAYERUNDOPASSTHROUGHCOMMAND_H
#define QGSVECTORLAYERUNDOPASSTHROUGHCOMMAND_H

#include "qgsvectorlayerundocommand.h"

#include "qgsvectorlayereditbuffer.h"

class QgsTransaction;

class CORE_EXPORT QgsVectorLayerUndoPassthroughCommand : public QgsVectorLayerUndoCommand
{
  public:

    QgsVectorLayerUndoPassthroughCommand( QgsVectorLayerEditBuffer *buffer, const QString &text, bool autocreate = true );

    bool hasError() const { return mHasError; }

  protected:

    bool rollBackToSavePoint();

    bool setSavePoint( const QString &savePointId = QString() );

    void setError();

    void setErrorMessage( const QString &errorMessage );

    QString errorMessage() const;

  private:
    QString mError;
    QString mSavePointId;
    bool mHasError;
    bool mRecreateSavePoint;
};

class CORE_EXPORT QgsVectorLayerUndoPassthroughCommandAddFeatures : public QgsVectorLayerUndoPassthroughCommand
{
  public:

    QgsVectorLayerUndoPassthroughCommandAddFeatures( QgsVectorLayerEditBuffer *buffer SIP_TRANSFER, QgsFeatureList &features );

    void undo() override;
    void redo() override;

    QgsFeatureList features() const { return mFeatures; }

  private:
    QgsFeatureList mFeatures;
    QgsFeatureList mInitialFeatures;
};


class CORE_EXPORT QgsVectorLayerUndoPassthroughCommandDeleteFeatures : public QgsVectorLayerUndoPassthroughCommand
{
  public:

    QgsVectorLayerUndoPassthroughCommandDeleteFeatures( QgsVectorLayerEditBuffer *buffer SIP_TRANSFER, const QgsFeatureIds &fids );

    void undo() override;
    void redo() override;

  private:
    const QgsFeatureIds mFids;
};

class CORE_EXPORT QgsVectorLayerUndoPassthroughCommandChangeGeometry : public QgsVectorLayerUndoPassthroughCommand
{
  public:

    QgsVectorLayerUndoPassthroughCommandChangeGeometry( QgsVectorLayerEditBuffer *buffer SIP_TRANSFER, QgsFeatureId fid, const QgsGeometry &geom );

    void undo() override;
    void redo() override;

  private:
    QgsFeatureId mFid;
    const QgsGeometry mNewGeom;
    const QgsGeometry mOldGeom;
};

class CORE_EXPORT QgsVectorLayerUndoPassthroughCommandChangeAttribute: public QgsVectorLayerUndoPassthroughCommand
{
  public:

    QgsVectorLayerUndoPassthroughCommandChangeAttribute( QgsVectorLayerEditBuffer *buffer SIP_TRANSFER, QgsFeatureId fid, int field, const QVariant &newValue );

    void undo() override;
    void redo() override;

  private:
    QgsFeatureId mFid;
    const int mField;
    const QVariant mNewValue;
    const QVariant mOldValue;
};

class CORE_EXPORT QgsVectorLayerUndoPassthroughCommandChangeAttributes: public QgsVectorLayerUndoPassthroughCommand
{
  public:

    QgsVectorLayerUndoPassthroughCommandChangeAttributes( QgsVectorLayerEditBuffer *buffer SIP_TRANSFER, QgsFeatureId fid, const QgsAttributeMap &newValues, const QgsAttributeMap &oldValues = QgsAttributeMap() );

    void undo() override;
    void redo() override;

  private:
    QgsFeatureId mFid;
    const QgsAttributeMap mNewValues;
    const QgsAttributeMap mOldValues;
};

class CORE_EXPORT QgsVectorLayerUndoPassthroughCommandAddAttribute : public QgsVectorLayerUndoPassthroughCommand
{
  public:

    QgsVectorLayerUndoPassthroughCommandAddAttribute( QgsVectorLayerEditBuffer *buffer SIP_TRANSFER, const QgsField &field );

    void undo() override;
    void redo() override;

  private:
    const QgsField mField;
};

class CORE_EXPORT QgsVectorLayerUndoPassthroughCommandDeleteAttribute : public QgsVectorLayerUndoPassthroughCommand
{
  public:

    QgsVectorLayerUndoPassthroughCommandDeleteAttribute( QgsVectorLayerEditBuffer *buffer SIP_TRANSFER, int attr );

    void undo() override;
    void redo() override;

  private:
    const QgsField mField;
};

class CORE_EXPORT QgsVectorLayerUndoPassthroughCommandRenameAttribute : public QgsVectorLayerUndoPassthroughCommand
{
  public:

    QgsVectorLayerUndoPassthroughCommandRenameAttribute( QgsVectorLayerEditBuffer *buffer SIP_TRANSFER, int attr, const QString &newName );

    void undo() override;
    void redo() override;

  private:
    const int mAttr;
    const QString mNewName;
    const QString mOldName;
};

class CORE_EXPORT QgsVectorLayerUndoPassthroughCommandUpdate : public QgsVectorLayerUndoPassthroughCommand
{
  public:

    QgsVectorLayerUndoPassthroughCommandUpdate( QgsVectorLayerEditBuffer *buffer SIP_TRANSFER, QgsTransaction *transaction, const QString &sql, const QString &name );

    void undo() override;
    void redo() override;

  private:
    QgsTransaction *mTransaction = nullptr;
    QString mSql;
    bool mUndone = false;
};

#endif