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61 lines
1.6 KiB
61 lines
1.6 KiB
14 years ago
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/*
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* UBGraphicsItemTransformUndoCommand.cpp
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*
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* Created on: July 7, 2009
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* Author: Jerome
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*/
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#include "UBGraphicsItemTransformUndoCommand.h"
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#include "UBResizableGraphicsItem.h"
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UBGraphicsItemTransformUndoCommand::UBGraphicsItemTransformUndoCommand(QGraphicsItem* pItem,
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const QPointF& prevPos, const QTransform& prevTransform, const qreal& prevZValue,
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const QSizeF& prevSize)
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{
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mItem = pItem;
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mPreviousTransform = prevTransform;
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mCurrentTransform = pItem->transform();
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mPreviousPosition = prevPos;
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mCurrentPosition = pItem->pos();
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mPreviousZValue = prevZValue;
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mCurrentZValue = pItem->zValue();
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mPreviousSize = prevSize;
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UBResizableGraphicsItem* resizableItem = dynamic_cast<UBResizableGraphicsItem*>(pItem);
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if (resizableItem)
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mCurrentSize = resizableItem->size();
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}
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UBGraphicsItemTransformUndoCommand::~UBGraphicsItemTransformUndoCommand()
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{
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// NOOP
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}
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void UBGraphicsItemTransformUndoCommand::undo()
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{
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mItem->setPos(mPreviousPosition);
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mItem->setTransform(mPreviousTransform);
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mItem->setZValue(mPreviousZValue);
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UBResizableGraphicsItem* resizableItem = dynamic_cast<UBResizableGraphicsItem*>(mItem);
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if (resizableItem)
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resizableItem->resize(mPreviousSize);
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}
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void UBGraphicsItemTransformUndoCommand::redo()
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{
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mItem->setPos(mCurrentPosition);
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mItem->setTransform(mCurrentTransform);
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mItem->setZValue(mCurrentZValue);
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UBResizableGraphicsItem* resizableItem = dynamic_cast<UBResizableGraphicsItem*>(mItem);
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if (resizableItem)
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resizableItem->resize(mCurrentSize);
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}
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