/* This file is part of the KDE project
 * Copyright (C) 2006 Jan Hambrecht <jaham@gmx.net>
 * Copyright (C) 2006,2007 Thorsten Zachmann <zachmann@kde.org>
 * Copyright (C) 2007 Thomas Zander <zander@kde.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "KoParameterHandleMoveCommand.h"
#include "KoParameterShape.h"
#include <klocalizedstring.h>
#include "kis_command_ids.h"

KoParameterHandleMoveCommand::KoParameterHandleMoveCommand(KoParameterShape *shape, int handleId, const QPointF &startPoint, const QPointF &endPoint, Qt::KeyboardModifiers keyModifiers, KUndo2Command *parent)
        : KUndo2Command(parent)
        , m_shape(shape)
        , m_handleId(handleId)
        , m_startPoint(startPoint)
        , m_endPoint(endPoint)
        , m_keyModifiers(keyModifiers)
{
    setText(kundo2_i18n("Change parameter"));
}

KoParameterHandleMoveCommand::~KoParameterHandleMoveCommand()
{
}

/// redo the command
void KoParameterHandleMoveCommand::redo()
{
    KUndo2Command::redo();
    m_shape->update();
    m_shape->moveHandle(m_handleId, m_endPoint, m_keyModifiers);
    m_shape->update();
}

/// revert the actions done in redo
void KoParameterHandleMoveCommand::undo()
{
    KUndo2Command::undo();
    m_shape->update();
    m_shape->moveHandle(m_handleId, m_startPoint);
    m_shape->update();
}

int KoParameterHandleMoveCommand::id() const
{
    return KisCommandUtils::ChangeShapeParameterId;
}

bool KoParameterHandleMoveCommand::mergeWith(const KUndo2Command *command)
{
    const KoParameterHandleMoveCommand *other = dynamic_cast<const KoParameterHandleMoveCommand*>(command);

    if (!other ||
        other->m_shape != m_shape ||
        other->m_handleId != m_handleId ||
        other->m_keyModifiers != m_keyModifiers) {

        return false;
    }

    m_endPoint = other->m_endPoint;

    return true;
}

