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61 lines
1.3 KiB
61 lines
1.3 KiB
14 years ago
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/*
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* UBPageSizeUndoCommand.cpp
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*
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* Created on: Jul 17, 2009
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* Author: Patrick
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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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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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