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101 lines
3.1 KiB
101 lines
3.1 KiB
/*
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* Copyright (C) 2015-2022 Département de l'Instruction Publique (DIP-SEM)
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*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "UBGraphicsItemTransformUndoCommand.h"
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#include "UBResizableGraphicsItem.h"
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#include "domain/UBItem.h"
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#include "domain/UBGraphicsScene.h"
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#include "core/memcheck.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, bool setToBackground)
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: UBUndoCommand()
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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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mSetToBackground = setToBackground;
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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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if (mSetToBackground) {
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UBGraphicsScene* scene = dynamic_cast<UBGraphicsScene*>(mItem->scene());
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if (scene && scene->isBackgroundObject(mItem)) {
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scene->unsetBackgroundObject();
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}
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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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if (mSetToBackground) {
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UBGraphicsScene* scene = dynamic_cast<UBGraphicsScene*>(mItem->scene());
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if (scene)
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scene->setAsBackgroundObject(mItem);
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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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