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/*
* UBGraphicsItemTransformUndoCommand.cpp
*
* Created on: July 7, 2009
* Author: Jerome
*/
#include "UBGraphicsItemTransformUndoCommand.h"
#include "UBResizableGraphicsItem.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);
UBResizableGraphicsItem* resizableItem = dynamic_cast<UBResizableGraphicsItem*>(mItem);
if (resizableItem)
resizableItem->resize(mPreviousSize);
}
void UBGraphicsItemTransformUndoCommand::redo()
{
mItem->setPos(mCurrentPosition);
mItem->setTransform(mCurrentTransform);
mItem->setZValue(mCurrentZValue);
UBResizableGraphicsItem* resizableItem = dynamic_cast<UBResizableGraphicsItem*>(mItem);
if (resizableItem)
resizableItem->resize(mCurrentSize);
}