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resqliteun.h
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resqliteun.h
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/* ========================================================================= */
/* ------------------------------------------------------------------------- */
/**
* @file resqliteun.h
* @brief Declarations for ReSqliteUn class
* @author Nicu Tofan <nicu.tofan@gmail.com>
* @copyright Copyright 2014 piles contributors. All rights reserved.
* This file is released under the
* [MIT License](http://opensource.org/licenses/mit-license.html)
*/
#ifndef GUARD_RESQLITEUN_H_INCLUDE
#define GUARD_RESQLITEUN_H_INCLUDE
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
//
//
//
//
/* INCLUDES ------------------------------------------------------------ */
#include <resqliteun/resqliteun-manager.h>
#include <resqliteun/resqliteun-util.h>
#include <QString>
#include <QList>
/* INCLUDES ============================================================ */
//
//
//
//
/* DEFINITIONS --------------------------------------------------------- */
/* DEFINITIONS ========================================================= */
//
//
//
//
/* CLASS --------------------------------------------------------------- */
//! Adds undo-redo capabilities to a sqlite database.
class RESQLITEUN_EXPORT ReSqliteUn :
public ReSqliteUnManager, public ReSqliteUnUtil {
//
//
//
//
/* DEFINITIONS ----------------------------------------------------- */
/* DEFINITIONS ===================================================== */
//
//
//
//
/* DATA ------------------------------------------------------------ */
public:
void * db_; /**< the actual sqlite database */
bool is_active_; /**< is the instance active or not? */
bool in_undo_; /**< are we performing an undo or a redo (valid when is_active_) */
/* DATA ============================================================ */
//
//
//
//
/* FUNCTIONS ------------------------------------------------------- */
public:
//! Default constructor.
ReSqliteUn (
void *db);
//! Destructor.
virtual ~ReSqliteUn ();
//! Creates a restore point.
ReSqliteUn::SqLiteResult
begin (
const QString &s_name,
qint64 * entry_id=NULL);
//! Closes a restore point.
ReSqliteUn::SqLiteResult
end ();
//! Creates the triggers for mentioned table.
ReSqliteUn::SqLiteResult
attachToTable (
const QString &table,
UpdateBehaviour update_kind);
//! Do an Undo or Redo.
ReSqliteUn::SqLiteResult
performUndoRedo (
bool for_undo,
QString &s_error);
//! Do multiple Undo or Redo.
ReSqliteUn::SqLiteResult
performUndoRedo (
int steps,
bool for_undo,
QString &s_error);
//! Get the number of steps required to reach a certain id.
ReSqliteUn::SqLiteResult
stepsToGoal (
bool for_undo,
qint64 goal_id,
int &steps);
//! Get the number of entries in the temporary table by kind.
SqLiteResult
count (
qint64 & undo_entries,
qint64 & redo_entries) const;
//! Get the id of the undo or redo entry that should be used right now.
qint64
getActiveId (
UndoRedoType ty = CurrentUndoRedo) const;
/* FUNCTIONS ======================================================= */
//
//
//
//
}; // class ReSqliteUn
/* CLASS =============================================================== */
//
//
//
//
#endif // GUARD_RESQLITEUN_H_INCLUDE
/* ------------------------------------------------------------------------- */
/* ========================================================================= */