Files
libreoffice/sd/source/ui/slidesorter/controller/SlsSelectionObserver.cxx
2010-04-28 14:48:44 +02:00

174 lines
4.3 KiB
C++

/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "precompiled_sd.hxx"
#include "SlideSorter.hxx"
#include "controller/SlideSorterController.hxx"
#include "controller/SlsSelectionManager.hxx"
#include "controller/SlsSelectionObserver.hxx"
#include "controller/SlsPageSelector.hxx"
#include "controller/SlsFocusManager.hxx"
#include "model/SlideSorterModel.hxx"
#include "model/SlsPageDescriptor.hxx"
#include <svx/svdmodel.hxx>
#include "drawdoc.hxx"
namespace sd { namespace slidesorter { namespace controller {
SelectionObserver::Context::Context (SlideSorter& rSlideSorter)
: mpSelectionObserver(
rSlideSorter.GetController().GetSelectionManager()->GetSelectionObserver())
{
if (mpSelectionObserver)
mpSelectionObserver->StartObservation();
}
SelectionObserver::Context::~Context(void)
{
if (mpSelectionObserver)
mpSelectionObserver->EndObservation();
}
void SelectionObserver::Context::Abort(void)
{
if (mpSelectionObserver)
{
mpSelectionObserver->AbortObservation();
mpSelectionObserver.reset();
}
}
//===== SelectionObserver =====================================================
SelectionObserver::SelectionObserver (SlideSorter& rSlideSorter)
: mrSlideSorter(rSlideSorter),
mpDocument(mrSlideSorter.GetModel().GetDocument()),
mbIsOvservationActive(false),
maInsertedPages(),
maDeletedPages()
{
}
SelectionObserver::~SelectionObserver (void)
{
}
void SelectionObserver::NotifyPageEvent (const SdrPage* pSdrPage)
{
if ( ! mbIsOvservationActive)
return;
const SdPage* pPage = dynamic_cast<const SdPage*>(pSdrPage);
if (pPage == NULL)
return;
if (pPage->IsInserted())
maInsertedPages.push_back(pPage);
else
{
::std::vector<const SdPage*>::iterator iPage(
::std::find(maInsertedPages.begin(), maInsertedPages.end(), pPage));
if (iPage != maInsertedPages.end())
maInsertedPages.erase(iPage);
maDeletedPages.push_back(pPage->GetPageNum());
}
}
void SelectionObserver::StartObservation (void)
{
OSL_ASSERT(!mbIsOvservationActive);
maInsertedPages.clear();
maDeletedPages.clear();
mbIsOvservationActive = true;
}
void SelectionObserver::AbortObservation (void)
{
OSL_ASSERT(mbIsOvservationActive);
mbIsOvservationActive = false;
maInsertedPages.clear();
maDeletedPages.clear();
}
void SelectionObserver::EndObservation (void)
{
OSL_ASSERT(mbIsOvservationActive);
mbIsOvservationActive = false;
PageSelector& rSelector (mrSlideSorter.GetController().GetPageSelector());
PageSelector::UpdateLock aUpdateLock (mrSlideSorter);
rSelector.DeselectAllPages();
if ( ! maInsertedPages.empty())
{
// Select the inserted pages.
for (::std::vector<const SdPage*>::const_iterator
iPage(maInsertedPages.begin()),
iEnd(maInsertedPages.end());
iPage!=iEnd;
++iPage)
{
rSelector.SelectPage(*iPage);
}
maInsertedPages.clear();
}
maDeletedPages.clear();
aUpdateLock.Release();
mrSlideSorter.GetController().GetFocusManager().SetFocusedPageToCurrentPage();
}
} } } // end of namespace ::sd::slidesorter::controller