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81 lines
2.2 KiB
81 lines
2.2 KiB
/*
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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 "UBPageSizeUndoCommand.h"
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#include <QtGui>
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#include "core/UBApplication.h"
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#include "board/UBBoardController.h"
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#include "UBGraphicsScene.h"
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#include "core/memcheck.h"
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UBPageSizeUndoCommand::UBPageSizeUndoCommand(UBGraphicsScene* pScene, const QSize& previousSize, const QSize& newSize)
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: mScene(pScene)
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, mPreviousSize(previousSize)
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, mNewSize(newSize)
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{
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mFirstRedo = true;
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}
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UBPageSizeUndoCommand::~UBPageSizeUndoCommand()
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{
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//NOOP
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}
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void UBPageSizeUndoCommand::undo()
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{
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if (!mScene){
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return;
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}
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UBApplication::boardController->setPageSize(mPreviousSize);
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// force refresh, QT is a bit lazy and take a lot of time (nb item ^2 ?) to trigger repaint
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mScene->update(mScene->sceneRect());
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}
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void UBPageSizeUndoCommand::redo()
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{
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// the Undo framework calls a redo while appending the undo command.
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// as we have already plotted the elements, we do not want to do it twice
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if (!mFirstRedo)
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{
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if (!mScene){
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return;
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}
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UBApplication::boardController->setPageSize(mNewSize);
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// force refresh, QT is a bit lazy and take a lot of time (nb item ^2) to trigger repaint
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mScene->update(mScene->sceneRect());
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}
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else
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{
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mFirstRedo = false;
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}
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}
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