/*
 * Copyright (C) 2012 Webdoc SA
 *
 * This file is part of Open-Sankoré.
 *
 * Open-Sankoré 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, version 2,
 * with a specific linking exception for the OpenSSL project's
 * "OpenSSL" library (or with modified versions of it that use the
 * same license as the "OpenSSL" library).
 *
 * Open-Sankoré 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 Open-Sankoré; if not, see
 * <http://www.gnu.org/licenses/>.
 */


#include "UBGraphicsItemTransformUndoCommand.h"
#include "UBResizableGraphicsItem.h"
#include "domain/UBItem.h"

#include "core/memcheck.h"

UBGraphicsItemTransformUndoCommand::UBGraphicsItemTransformUndoCommand(QGraphicsItem* pItem,
     const QPointF& prevPos, const QTransform& prevTransform, const qreal& prevZValue,
     const QSizeF& prevSize)
{
    mItem = pItem;
    mPreviousTransform = prevTransform;
    mCurrentTransform = pItem->transform();

    mPreviousPosition = prevPos;
    mCurrentPosition = pItem->pos();

    mPreviousZValue = prevZValue;
    mCurrentZValue = pItem->zValue();

    mPreviousSize = prevSize;
    UBResizableGraphicsItem* resizableItem = dynamic_cast<UBResizableGraphicsItem*>(pItem);

    if (resizableItem)
        mCurrentSize = resizableItem->size();
}

UBGraphicsItemTransformUndoCommand::~UBGraphicsItemTransformUndoCommand()
{
    // NOOP
}

void UBGraphicsItemTransformUndoCommand::undo()
{
    mItem->setPos(mPreviousPosition);
    mItem->setTransform(mPreviousTransform);
    mItem->setZValue(mPreviousZValue);
//    UBGraphicsItem::assignZValue(mItem, mPreviousZValue);

    UBResizableGraphicsItem* resizableItem = dynamic_cast<UBResizableGraphicsItem*>(mItem);

    if (resizableItem)
        resizableItem->resize(mPreviousSize);
}

void UBGraphicsItemTransformUndoCommand::redo()
{
    mItem->setPos(mCurrentPosition);
    mItem->setTransform(mCurrentTransform);
    mItem->setZValue(mCurrentZValue);

//    UBGraphicsItem::assignZValue(mItem, /*mCurrentZValue*/mItem->data(UBGraphicsItemData::ItemOwnZValue).toReal());

    UBResizableGraphicsItem* resizableItem = dynamic_cast<UBResizableGraphicsItem*>(mItem);

    if (resizableItem)
        resizableItem->resize(mCurrentSize);
}