/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Copyright (C) 2012 Instituto Nokia de Tecnologia (INdT)
** Contact: http://www.qt-project.org/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
**     of its contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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****************************************************************************/

#include <QFile>
#include <QString>
#include <QDir>
#include <QDebug>

#include "commands.h"

static int counter = 0;

CreateFileCommand::CreateFileCommand(UiUndoCommand *parent)
    : UiUndoCommand(parent),
      m_fileName(QString::number(++counter) + ".tst")
{
    createFile();
}

CreateFileCommand::~CreateFileCommand()
{
    if (QFile::exists(m_fileName))
        removeFile();
}

void CreateFileCommand::undo()
{
    removeFile();
}

void CreateFileCommand::redo()
{
    createFile();
}

void CreateFileCommand::createFile()
{
    setText(createCommandString("create", m_fileName));
    QFile file(m_fileName);
    file.open(QIODevice::WriteOnly);
    file.close();
}

void CreateFileCommand::removeFile()
{
    setText(createCommandString("remove", m_fileName));
    QFile::remove(m_fileName);
}

QString createCommandString(const QString &op, const QString &name)
{
    return QString("%1 %2").arg(op).arg(name);
}