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/*
* UBPageSizeUndoCommand.cpp
*
* Created on: Jul 17, 2009
* Author: Patrick
*/
#include "UBPageSizeUndoCommand.h"
#include <QtGui>
#include "core/UBApplication.h"
#include "board/UBBoardController.h"
#include "UBGraphicsScene.h"
UBPageSizeUndoCommand::UBPageSizeUndoCommand(UBGraphicsScene* pScene, const QSize& previousSize, const QSize& newSize)
: mScene(pScene)
, mPreviousSize(previousSize)
, mNewSize(newSize)
{
mFirstRedo = true;
}
UBPageSizeUndoCommand::~UBPageSizeUndoCommand()
{
//NOOP
}
void UBPageSizeUndoCommand::undo()
{
if (!mScene){
return;
}
UBApplication::boardController->setPageSize(mPreviousSize);
// force refresh, QT is a bit lazy and take a lot of time (nb item ^2 ?) to trigger repaint
mScene->update(mScene->sceneRect());
}
void UBPageSizeUndoCommand::redo()
{
// the Undo framework calls a redo while appending the undo command.
// as we have already plotted the elements, we do not want to do it twice
if (!mFirstRedo)
{
if (!mScene){
return;
}
UBApplication::boardController->setPageSize(mNewSize);
// force refresh, QT is a bit lazy and take a lot of time (nb item ^2) to trigger repaint
mScene->update(mScene->sceneRect());
}
else
{
mFirstRedo = false;
}
}