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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * 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 <com/sun/star/presentation/XPresentation2.hpp>

#include <editeng/outlobj.hxx>

#include "controller/SlsSlotManager.hxx"
#include "SlideSorter.hxx"
#include "SlideSorterViewShell.hxx"
#include "controller/SlideSorterController.hxx"
#include "controller/SlsClipboard.hxx"
#include "controller/SlsCurrentSlideManager.hxx"
#include "controller/SlsFocusManager.hxx"
#include "controller/SlsInsertionIndicatorHandler.hxx"
#include "controller/SlsPageSelector.hxx"
#include "controller/SlsSelectionFunction.hxx"
#include "controller/SlsSelectionManager.hxx"
#include "controller/SlsSelectionObserver.hxx"
#include "SlsCommand.hxx"
#include "model/SlideSorterModel.hxx"
#include "model/SlsPageEnumerationProvider.hxx"
#include "model/SlsPageDescriptor.hxx"
#include "view/SlideSorterView.hxx"
#include "view/SlsLayouter.hxx"
#include "framework/FrameworkHelper.hxx"
#include "Window.hxx"
#include "fupoor.hxx"
#include "fuzoom.hxx"
#include "fucushow.hxx"
#include "fusldlg.hxx"
#include "fuexpand.hxx"
#include "fusumry.hxx"
#include "fuscale.hxx"
#include "slideshow.hxx"
#include "app.hrc"
#include "strings.hrc"
#include "sdresid.hxx"
#include "drawdoc.hxx"
#include "DrawDocShell.hxx"
#include "ViewShellBase.hxx"
#include "ViewShellImplementation.hxx"
#include "sdattr.hxx"
#include "FrameView.hxx"
#include "zoomlist.hxx"
#include "sdpage.hxx"
#include "sdxfer.hxx"
#include "helpids.h"
#include "glob.hrc"
#include "unmodpg.hxx"
#include "DrawViewShell.hxx"

#include <sfx2/request.hxx>
#include <sfx2/viewfrm.hxx>
#include <sfx2/bindings.hxx>
#include <sfx2/dispatch.hxx>
#include <svx/svxids.hrc>
#include <svx/zoomitem.hxx>
#include <svx/svxdlg.hxx>
#include <svx/dialogs.hrc>
#include <vcl/msgbox.hxx>
#include <svl/intitem.hxx>
#include <svl/whiter.hxx>
#include <svl/itempool.hxx>
#include <svl/aeitem.hxx>
#include <com/sun/star/presentation/FadeEffect.hpp>
#include <com/sun/star/drawing/XMasterPagesSupplier.hpp>
#include <com/sun/star/drawing/XDrawPages.hpp>
#include <vcl/svapp.hxx>

#include <boost/bind.hpp>

using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::presentation;

namespace sd { namespace slidesorter { namespace controller {

namespace {

/** The state of a set of slides with respect to being excluded from the
    slide show.
*/
enum SlideExclusionState {UNDEFINED, EXCLUDED, INCLUDED, MIXED};

/** Return for the given set of slides whether they included are
    excluded from the slide show.
*/
SlideExclusionState GetSlideExclusionState (model::PageEnumeration& rPageSet);

} // end of anonymous namespace



SlotManager::SlotManager (SlideSorter& rSlideSorter)
    : mrSlideSorter(rSlideSorter),
      maCommandQueue()
{
}




SlotManager::~SlotManager (void)
{
}




void SlotManager::FuTemporary (SfxRequest& rRequest)
{
    SdDrawDocument* pDocument = mrSlideSorter.GetModel().GetDocument();

    SlideSorterViewShell* pShell
        = dynamic_cast<SlideSorterViewShell*>(mrSlideSorter.GetViewShell());
    if (pShell == NULL)
        return;

    switch (rRequest.GetSlot())
    {
        case SID_PRESENTATION:
        case SID_REHEARSE_TIMINGS:
            ShowSlideShow (rRequest);
            pShell->Cancel();
            rRequest.Done();
            break;

        case SID_HIDE_SLIDE:
            ChangeSlideExclusionState(model::SharedPageDescriptor(), true);
            break;

        case SID_SHOW_SLIDE:
            ChangeSlideExclusionState(model::SharedPageDescriptor(), false);
            break;

        case SID_PAGES_PER_ROW:
            if (rRequest.GetArgs() != NULL)
            {
                SFX_REQUEST_ARG(rRequest, pPagesPerRow, SfxUInt16Item,
                    SID_PAGES_PER_ROW, sal_False);
                if (pPagesPerRow != NULL)
                {
                    sal_Int32 nColumnCount = pPagesPerRow->GetValue();
                    // Force the given number of columns by setting
                    // the minimal and maximal number of columns to
                    // the same value.
                    mrSlideSorter.GetView().GetLayouter().SetColumnCount (
                        nColumnCount, nColumnCount);
                    // Force a repaint and re-layout.
                    pShell->ArrangeGUIElements ();
                    // Rearrange the UI-elements controlled by the
                    // controller and force a rearrangement of the
                    // view.
                    mrSlideSorter.GetController().Rearrange(true);
                }
            }
            rRequest.Done();
            break;

        case SID_SELECTALL:
            mrSlideSorter.GetController().GetPageSelector().SelectAllPages();
            rRequest.Done();
            break;

        case SID_SLIDE_TRANSITIONS_PANEL:
        {
            // Make the slide transition panel visible (expand it)
            // in the tool pane.
            if (mrSlideSorter.GetViewShellBase() != NULL)
                framework::FrameworkHelper::Instance(*mrSlideSorter.GetViewShellBase())
                    ->RequestTaskPanel(sd::framework::FrameworkHelper::msSlideTransitionTaskPanelURL);
            rRequest.Ignore ();
            break;
        }

        case SID_PRESENTATION_DLG:
            FuSlideShowDlg::Create (
                pShell,
                mrSlideSorter.GetContentWindow().get(),
                &mrSlideSorter.GetView(),
                pDocument,
                rRequest);
            break;

        case SID_CUSTOMSHOW_DLG:
            FuCustomShowDlg::Create (
                pShell,
                mrSlideSorter.GetContentWindow().get(),
                &mrSlideSorter.GetView(),
                pDocument,
                rRequest);
                break;

        case SID_EXPAND_PAGE:
            FuExpandPage::Create (
                pShell,
                mrSlideSorter.GetContentWindow().get(),
                &mrSlideSorter.GetView(),
                pDocument,
                rRequest);
            break;

        case SID_SUMMARY_PAGE:
            FuSummaryPage::Create (
                pShell,
                mrSlideSorter.GetContentWindow().get(),
                &mrSlideSorter.GetView(),
                pDocument,
                rRequest);
            break;

        case SID_INSERTPAGE:
        case SID_INSERT_MASTER_PAGE:
            InsertSlide(rRequest);
            rRequest.Done();
            break;

        case SID_DUPLICATE_PAGE:
            DuplicateSelectedSlides(rRequest);
            rRequest.Done();
            break;

        case SID_DELETE_PAGE:
        case SID_DELETE_MASTER_PAGE:
        case SID_DELETE: // we need SID_CUT to handle the delete key
            // (DEL -> accelerator -> SID_CUT).
            if (mrSlideSorter.GetModel().GetPageCount() > 1)
            {
                mrSlideSorter.GetController().GetSelectionManager()->DeleteSelectedPages();
            }

            rRequest.Done();
            break;

        case SID_RENAMEPAGE:
        case SID_RENAME_MASTER_PAGE:
            RenameSlide ();
            rRequest.Done ();
            break;

        case SID_ASSIGN_LAYOUT:
        {
            pShell->mpImpl->AssignLayout( rRequest, mrSlideSorter.GetModel().GetPageType() );
            rRequest.Done ();
        }
        break;

        default:
            break;
    }
}




void SlotManager::FuPermanent (SfxRequest& rRequest)
{
    ViewShell* pShell = mrSlideSorter.GetViewShell();
    if (pShell == NULL)
        return;

    if(pShell->GetCurrentFunction().is())
    {
        FunctionReference xEmpty;
        if (pShell->GetOldFunction() == pShell->GetCurrentFunction())
            pShell->SetOldFunction(xEmpty);

        pShell->GetCurrentFunction()->Deactivate();
        pShell->SetCurrentFunction(xEmpty);
    }

    switch(rRequest.GetSlot())
    {
        case SID_OBJECT_SELECT:
            pShell->SetCurrentFunction( SelectionFunction::Create(mrSlideSorter, rRequest) );
            rRequest.Done();
            break;

        default:
                break;
    }

    if(pShell->GetOldFunction().is())
    {
        pShell->GetOldFunction()->Deactivate();
        FunctionReference xEmpty;
        pShell->SetOldFunction(xEmpty);
    }

    if(pShell->GetCurrentFunction().is())
    {
        pShell->GetCurrentFunction()->Activate();
        pShell->SetOldFunction(pShell->GetCurrentFunction());
    }

    //! das ist nur bis das ENUM-Slots sind
    //  Invalidate( SID_OBJECT_SELECT );
}

void SlotManager::FuSupport (SfxRequest& rRequest)
{
    switch (rRequest.GetSlot())
    {
        case SID_STYLE_FAMILY:
            if (rRequest.GetArgs() != NULL)
            {
                SdDrawDocument* pDocument
                    = mrSlideSorter.GetModel().GetDocument();
                if (pDocument != NULL)
                {
                    const SfxPoolItem& rItem (
                        rRequest.GetArgs()->Get(SID_STYLE_FAMILY));
                    pDocument->GetDocSh()->SetStyleFamily(
                        static_cast<const SfxUInt16Item&>(rItem).GetValue());
                }
            }
            break;

        case SID_PASTE:
        {
            SdTransferable* pTransferClip = SD_MOD()->pTransferClip;
            if( pTransferClip )
            {
                SfxObjectShell* pTransferDocShell = pTransferClip->GetDocShell();

                DrawDocShell* pDocShell = dynamic_cast<DrawDocShell*>(pTransferDocShell);
                if (pDocShell && pDocShell->GetDoc()->GetPageCount() > 1)
                {
                    mrSlideSorter.GetController().GetClipboard().HandleSlotCall(rRequest);
                    break;
                }
            }
            ViewShellBase* pBase = mrSlideSorter.GetViewShellBase();
            if (pBase != NULL)
            {
                ::boost::shared_ptr<DrawViewShell> pDrawViewShell (
                    ::boost::dynamic_pointer_cast<DrawViewShell>(pBase->GetMainViewShell()));
                if (pDrawViewShell.get() != NULL)
                    pDrawViewShell->FuSupport(rRequest);
            }
        }
        break;

        case SID_CUT:
        case SID_COPY:
        case SID_DELETE:
            mrSlideSorter.GetController().GetClipboard().HandleSlotCall(rRequest);
            break;

        case SID_DRAWINGMODE:
        case SID_NOTESMODE:
        case SID_HANDOUTMODE:
        case SID_DIAMODE:
        case SID_OUTLINEMODE:
        {
            ViewShellBase* pBase = mrSlideSorter.GetViewShellBase();
            if (pBase != NULL)
            {
                framework::FrameworkHelper::Instance(*pBase)->HandleModeChangeSlot(
                    rRequest.GetSlot(), rRequest);
                rRequest.Done();
            }
            break;
        }

        case SID_UNDO:
        {
            SlideSorterViewShell* pViewShell
                = dynamic_cast<SlideSorterViewShell*>(mrSlideSorter.GetViewShell());
            if (pViewShell != NULL)
            {
                view::SlideSorterView::DrawLock aDrawLock (mrSlideSorter);
                SlideSorterController::ModelChangeLock aModelLock (mrSlideSorter.GetController());
                PageSelector::UpdateLock aUpdateLock (mrSlideSorter);
                SelectionObserver::Context aContext (mrSlideSorter);
                pViewShell->ImpSidUndo (sal_False, rRequest);
            }
            break;
        }

        case SID_REDO:
        {
            SlideSorterViewShell* pViewShell
                = dynamic_cast<SlideSorterViewShell*>(mrSlideSorter.GetViewShell());
            if (pViewShell != NULL)
            {
                view::SlideSorterView::DrawLock aDrawLock (mrSlideSorter);
                SlideSorterController::ModelChangeLock aModelLock (mrSlideSorter.GetController());
                PageSelector::UpdateLock aUpdateLock (mrSlideSorter);
                SelectionObserver::Context aContext (mrSlideSorter);
                pViewShell->ImpSidRedo (sal_False, rRequest);
            }
            break;
        }

        default:
            break;
    }
}




void SlotManager::ExecCtrl (SfxRequest& rRequest)
{
    ViewShell* pViewShell = mrSlideSorter.GetViewShell();
    sal_uInt16 nSlot = rRequest.GetSlot();
    switch (nSlot)
    {
        case SID_RELOAD:
        {
            // Undo-Manager leeren
            mrSlideSorter.GetModel().GetDocument()->GetDocSh()->ClearUndoBuffer();

            // Normale Weiterleitung an ViewFrame zur Ausfuehrung
            if (pViewShell != NULL)
                pViewShell->GetViewFrame()->ExecuteSlot(rRequest);

            // Muss sofort beendet werden
            return;
        }

        case SID_OUTPUT_QUALITY_COLOR:
        case SID_OUTPUT_QUALITY_GRAYSCALE:
        case SID_OUTPUT_QUALITY_BLACKWHITE:
        case SID_OUTPUT_QUALITY_CONTRAST:
        {
            // flush page cache
            if (pViewShell != NULL)
                pViewShell->ExecReq (rRequest);
            break;
        }

        case SID_MAIL_SCROLLBODY_PAGEDOWN:
        {
            if (pViewShell != NULL)
                pViewShell->ExecReq (rRequest);
            break;
        }

        case SID_OPT_LOCALE_CHANGED:
        {
            mrSlideSorter.GetController().UpdateAllPages();
            if (pViewShell != NULL)
                pViewShell->UpdatePreview (pViewShell->GetActualPage());
            rRequest.Done();
            break;
        }

        case SID_SEARCH_DLG:
            // We have to handle the SID_SEARCH_DLG slot explicitly because
            // in some cases (when the slide sorter is displayed in the
            // center pane) we want to disable the search dialog.  Therefore
            // we have to handle the execution of that slot as well.
            // We try to do that by forwarding the request to the view frame
            // of the view shell.
            if (pViewShell != NULL)
                pViewShell->GetViewFrame()->ExecuteSlot(rRequest);
            break;

        default:
            break;
    }
}




void SlotManager::GetAttrState (SfxItemSet& rSet)
{
    // Iteratate over all items.
    SfxWhichIter aIter (rSet);
    sal_uInt16 nWhich = aIter.FirstWhich();
    while (nWhich)
    {
        sal_uInt16 nSlotId (nWhich);
        if (SfxItemPool::IsWhich(nWhich) && mrSlideSorter.GetViewShell()!=NULL)
            nSlotId = mrSlideSorter.GetViewShell()->GetPool().GetSlotId(nWhich);
        switch (nSlotId)
        {
            case SID_PAGES_PER_ROW:
                rSet.Put (
                    SfxUInt16Item (
                        nSlotId,
                        (sal_uInt16)mrSlideSorter.GetView().GetLayouter().GetColumnCount()
                        )
                    );
            break;
        }
        nWhich = aIter.NextWhich();
    }
}

void SlotManager::GetMenuState (SfxItemSet& rSet)
{
    EditMode eEditMode = mrSlideSorter.GetModel().GetEditMode();
    ViewShell* pShell = mrSlideSorter.GetViewShell();
    DrawDocShell* pDocShell = mrSlideSorter.GetModel().GetDocument()->GetDocSh();

    if (pShell!=NULL && pShell->GetCurrentFunction().is())
    {
        sal_uInt16 nSId = pShell->GetCurrentFunction()->GetSlotID();

        rSet.Put( SfxBoolItem( nSId, sal_True ) );
    }
    rSet.Put( SfxBoolItem( SID_DRAWINGMODE, sal_False ) );
    rSet.Put( SfxBoolItem( SID_DIAMODE, sal_True ) );
    rSet.Put( SfxBoolItem( SID_OUTLINEMODE, sal_False ) );
    rSet.Put( SfxBoolItem( SID_NOTESMODE, sal_False ) );
    rSet.Put( SfxBoolItem( SID_HANDOUTMODE, sal_False ) );

    // Vorlagenkatalog darf nicht aufgerufen werden
    rSet.DisableItem(SID_STYLE_CATALOG);

    if (pShell!=NULL && pShell->IsMainViewShell())
    {
        rSet.DisableItem(SID_SPELL_DIALOG);
        rSet.DisableItem(SID_SEARCH_DLG);
    }

    if (SFX_ITEM_AVAILABLE == rSet.GetItemState(SID_EXPAND_PAGE))
    {
        bool bDisable = true;
        if (eEditMode == EM_PAGE)
        {
            // At least one of the selected pages has to contain an outline
            // presentation objects in order to enable the expand page menu
            // entry.
            model::PageEnumeration aSelectedPages (
                model::PageEnumerationProvider::CreateSelectedPagesEnumeration(
                    mrSlideSorter.GetModel()));
            while (aSelectedPages.HasMoreElements())
            {
                SdPage* pPage = aSelectedPages.GetNextElement()->GetPage();
                SdrObject* pObj = pPage->GetPresObj(PRESOBJ_OUTLINE);
                if (pObj!=NULL )
                {
                    if( !pObj->IsEmptyPresObj() )
                    {
                        bDisable = false;
                    }
                    else
                    {
                        // check if the object is in edit, than its temporarely not empty
                        SdrTextObj* pTextObj = dynamic_cast< SdrTextObj* >( pObj );
                        if( pTextObj )
                        {
                            OutlinerParaObject* pParaObj = pTextObj->GetEditOutlinerParaObject();
                            if( pParaObj )
                            {
                                delete pParaObj;
                                bDisable = false;
                            }
                        }
                    }
                }
            }
        }

        if (bDisable)
            rSet.DisableItem (SID_EXPAND_PAGE);
    }

    if (SFX_ITEM_AVAILABLE == rSet.GetItemState(SID_SUMMARY_PAGE))
    {
        bool bDisable = true;
        if (eEditMode == EM_PAGE)
        {
            // At least one of the selected pages has to contain a title
            // presentation objects in order to enable the summary page menu
            // entry.
            model::PageEnumeration aSelectedPages (
                model::PageEnumerationProvider::CreateSelectedPagesEnumeration(
                    mrSlideSorter.GetModel()));
            while (aSelectedPages.HasMoreElements())
            {
                SdPage* pPage = aSelectedPages.GetNextElement()->GetPage();
                SdrObject* pObj = pPage->GetPresObj(PRESOBJ_TITLE);

                if (pObj!=NULL && !pObj->IsEmptyPresObj())
                    bDisable = false;
            }
        }
        if (bDisable)
            rSet.DisableItem (SID_SUMMARY_PAGE);
    }

    // Starten der Praesentation moeglich?
    if( SFX_ITEM_AVAILABLE == rSet.GetItemState( SID_PRESENTATION ) ||
        SFX_ITEM_AVAILABLE == rSet.GetItemState( SID_REHEARSE_TIMINGS ) )
    {
        sal_Bool bDisable = sal_True;
        model::PageEnumeration aAllPages (
            model::PageEnumerationProvider::CreateAllPagesEnumeration(mrSlideSorter.GetModel()));
        while (aAllPages.HasMoreElements())
        {
            SdPage* pPage = aAllPages.GetNextElement()->GetPage();

            if( !pPage->IsExcluded() )
                bDisable = sal_False;
        }
        if( bDisable || pDocShell->IsPreview())
        {
            rSet.DisableItem( SID_PRESENTATION );
            rSet.DisableItem( SID_REHEARSE_TIMINGS );
        }
    }


    // Disable the rename slots when there are no or more than one slides/master
    // pages selected.
    if (rSet.GetItemState(SID_RENAMEPAGE) == SFX_ITEM_AVAILABLE
        || rSet.GetItemState(SID_RENAME_MASTER_PAGE)  == SFX_ITEM_AVAILABLE)
    {
        if (mrSlideSorter.GetController().GetPageSelector().GetSelectedPageCount() != 1)
        {
            rSet.DisableItem(SID_RENAMEPAGE);
            rSet.DisableItem(SID_RENAME_MASTER_PAGE);
        }
    }

    if (rSet.GetItemState(SID_HIDE_SLIDE) == SFX_ITEM_AVAILABLE
        || rSet.GetItemState(SID_SHOW_SLIDE)  == SFX_ITEM_AVAILABLE)
    {
        model::PageEnumeration aSelectedPages (
            model::PageEnumerationProvider::CreateSelectedPagesEnumeration(
                mrSlideSorter.GetModel()));
        const SlideExclusionState eState (GetSlideExclusionState(aSelectedPages));
        switch (eState)
        {
            case MIXED:
                // Show both entries.
                break;

            case EXCLUDED:
                rSet.DisableItem(SID_HIDE_SLIDE);
                break;

            case INCLUDED:
                rSet.DisableItem(SID_SHOW_SLIDE);
                break;

            case UNDEFINED:
                rSet.DisableItem(SID_HIDE_SLIDE);
                rSet.DisableItem(SID_SHOW_SLIDE);
                break;
        }
    }


    PageKind ePageKind = mrSlideSorter.GetModel().GetPageType();
    if ((eEditMode == EM_MASTERPAGE) && (ePageKind != PK_HANDOUT))
    {
        rSet.DisableItem(SID_ASSIGN_LAYOUT);
    }

    if ((eEditMode == EM_MASTERPAGE) || (ePageKind==PK_NOTES))
    {
        rSet.DisableItem(SID_INSERTPAGE);
    }

    // Disable some slots when in master page mode.
    if (eEditMode == EM_MASTERPAGE)
    {
        if (rSet.GetItemState(SID_INSERTPAGE) == SFX_ITEM_AVAILABLE)
            rSet.DisableItem(SID_INSERTPAGE);
        if (rSet.GetItemState(SID_DUPLICATE_PAGE) == SFX_ITEM_AVAILABLE)
            rSet.DisableItem(SID_DUPLICATE_PAGE);
    }
}




void SlotManager::GetClipboardState ( SfxItemSet& rSet)
{
    SdTransferable* pTransferClip = SD_MOD()->pTransferClip;

    if (rSet.GetItemState(SID_PASTE)  == SFX_ITEM_AVAILABLE
        || rSet.GetItemState(SID_PASTE_SPECIAL)  == SFX_ITEM_AVAILABLE)
    {
        // Keine eigenen Clipboard-Daten?
        if ( !pTransferClip || !pTransferClip->GetDocShell() )
        {
            rSet.DisableItem(SID_PASTE);
            rSet.DisableItem(SID_PASTE_SPECIAL);
        }
        else
        {
            SfxObjectShell* pTransferDocShell = pTransferClip->GetDocShell();

            if( !pTransferDocShell || ( (DrawDocShell*) pTransferDocShell)->GetDoc()->GetPageCount() <= 1 )
            {
                bool bIsPastingSupported (false);

                // No or just one page.  Check if there is anything that can be
                // pasted via a DrawViewShell.
                ViewShellBase* pBase = mrSlideSorter.GetViewShellBase();
                if (pBase != NULL)
                {
                    ::boost::shared_ptr<DrawViewShell> pDrawViewShell (
                        ::boost::dynamic_pointer_cast<DrawViewShell>(pBase->GetMainViewShell()));
                    if (pDrawViewShell.get() != NULL)
                    {
                        TransferableDataHelper aDataHelper (
                            TransferableDataHelper::CreateFromSystemClipboard(
                                pDrawViewShell->GetActiveWindow()));
                        if (aDataHelper.GetFormatCount() > 0)
                            bIsPastingSupported = true;
                    }
                }

                if ( ! bIsPastingSupported)
                {
                    rSet.DisableItem(SID_PASTE);
                    rSet.DisableItem(SID_PASTE_SPECIAL);
                }
            }
        }
    }

    // Cut, copy and paste of master pages is not yet implemented properly
    if (rSet.GetItemState(SID_COPY) == SFX_ITEM_AVAILABLE
        || rSet.GetItemState(SID_PASTE)  == SFX_ITEM_AVAILABLE
        || rSet.GetItemState(SID_PASTE_SPECIAL)  == SFX_ITEM_AVAILABLE
        || rSet.GetItemState(SID_CUT)  == SFX_ITEM_AVAILABLE)
    {
        if (mrSlideSorter.GetModel().GetEditMode() == EM_MASTERPAGE)
        {
            if (rSet.GetItemState(SID_CUT) == SFX_ITEM_AVAILABLE)
                rSet.DisableItem(SID_CUT);
            if (rSet.GetItemState(SID_COPY) == SFX_ITEM_AVAILABLE)
                rSet.DisableItem(SID_COPY);
            if (rSet.GetItemState(SID_PASTE) == SFX_ITEM_AVAILABLE)
                rSet.DisableItem(SID_PASTE);
            if (rSet.GetItemState(SID_PASTE_SPECIAL) == SFX_ITEM_AVAILABLE)
                rSet.DisableItem(SID_PASTE_SPECIAL);
        }
    }

    // Cut, copy, and delete page are disabled when there is no selection.
    if (rSet.GetItemState(SID_CUT) == SFX_ITEM_AVAILABLE
        || rSet.GetItemState(SID_COPY)  == SFX_ITEM_AVAILABLE
        || rSet.GetItemState(SID_DELETE) == SFX_ITEM_AVAILABLE
        || rSet.GetItemState(SID_DELETE_PAGE) == SFX_ITEM_AVAILABLE
        || rSet.GetItemState(SID_DELETE_MASTER_PAGE) == SFX_ITEM_AVAILABLE)
    {
        model::PageEnumeration aSelectedPages (
            model::PageEnumerationProvider::CreateSelectedPagesEnumeration(
                mrSlideSorter.GetModel()));

        // For copy to work we have to have at least one selected page.
        if ( ! aSelectedPages.HasMoreElements())
            rSet.DisableItem(SID_COPY);

        bool bDisable = false;
        // The operations that lead to the deletion of a page are valid if
        // a) there is at least one selected page
        // b) deleting the selected pages leaves at least one page in the
        // document
        // c) selected master pages must not be used by slides.

        // Test a).
        if ( ! aSelectedPages.HasMoreElements())
            bDisable = true;
        // Test b): Count the number of selected pages.  It has to be less
        // than the number of all pages.
        else if (mrSlideSorter.GetController().GetPageSelector().GetSelectedPageCount()
            >= mrSlideSorter.GetController().GetPageSelector().GetPageCount())
            bDisable = true;
        // Test c): Iterate over the selected pages and look for a master
        // page that is used by at least one page.
        else while (aSelectedPages.HasMoreElements())
        {
            SdPage* pPage = aSelectedPages.GetNextElement()->GetPage();
            int nUseCount (mrSlideSorter.GetModel().GetDocument()
                ->GetMasterPageUserCount(pPage));
            if (nUseCount > 0)
            {
                bDisable = true;
                break;
            }
        }

        if (bDisable)
        {
            rSet.DisableItem(SID_CUT);
            rSet.DisableItem(SID_DELETE_PAGE);
            rSet.DisableItem(SID_DELETE_MASTER_PAGE);
        }
    }
}




void SlotManager::GetStatusBarState (SfxItemSet& rSet)
{
    // Seitenanzeige und Layout
    SdPage* pPage      = NULL;
    SdPage* pFirstPage = NULL;
    sal_uInt16  nFirstPage;
    sal_uInt16  nSelectedPages = (sal_uInt16)mrSlideSorter.GetController().GetPageSelector().GetSelectedPageCount();
    rtl::OUString aPageStr;
    String aLayoutStr;

    if (nSelectedPages > 0)
        aPageStr = SD_RESSTR(STR_SD_PAGE);

    if (nSelectedPages == 1)
    {
        model::PageEnumeration aSelectedPages (
            model::PageEnumerationProvider::CreateSelectedPagesEnumeration(
                mrSlideSorter.GetModel()));
        model::SharedPageDescriptor pDescriptor (aSelectedPages.GetNextElement());
        if (pDescriptor)
        {
            pPage = pDescriptor->GetPage();
            nFirstPage = pPage->GetPageNum()/2;
            pFirstPage = pPage;

            aPageStr += " ";
            aPageStr += rtl::OUString::valueOf( static_cast<sal_Int32>(nFirstPage + 1) );
            aPageStr += " / " ;
            aPageStr += rtl::OUString::valueOf(mrSlideSorter.GetModel().GetPageCount());

            aLayoutStr = pFirstPage->GetLayoutName();
            aLayoutStr.Erase( aLayoutStr.SearchAscii( SD_LT_SEPARATOR ) );
        }
    }

    rSet.Put( SfxStringItem( SID_STATUS_PAGE, aPageStr ) );
    rSet.Put( SfxStringItem( SID_STATUS_LAYOUT, aLayoutStr ) );

    if( SFX_ITEM_AVAILABLE == rSet.GetItemState( SID_ATTR_ZOOMSLIDER ) )
    {
        rSet.Put( SfxVoidItem( SID_ATTR_ZOOMSLIDER ) );
    }
}

void SlotManager::ShowSlideShow( SfxRequest& rReq)
{
    Reference< XPresentation2 > xPresentation( mrSlideSorter.GetModel().GetDocument()->getPresentation() );
    if( xPresentation.is() )
    {
        if( ( SID_REHEARSE_TIMINGS != rReq.GetSlot() ) )
            xPresentation->start();
        else
            xPresentation->rehearseTimings();
    }
}

void SlotManager::RenameSlide (void)
{
    PageKind ePageKind = mrSlideSorter.GetModel().GetPageType();
    View* pDrView = &mrSlideSorter.GetView();

    if (ePageKind==PK_STANDARD || ePageKind==PK_NOTES)
    {
        if ( pDrView->IsTextEdit() )
        {
            pDrView->SdrEndTextEdit();
        }

        SdPage* pSelectedPage = NULL;
        model::PageEnumeration aSelectedPages (
            model::PageEnumerationProvider::CreateSelectedPagesEnumeration(
                mrSlideSorter.GetModel()));
        if (aSelectedPages.HasMoreElements())
            pSelectedPage = aSelectedPages.GetNextElement()->GetPage();
        if (pSelectedPage != NULL)
        {
            String aTitle( SdResId( STR_TITLE_RENAMESLIDE ) );
            String aDescr( SdResId( STR_DESC_RENAMESLIDE ) );
            String aPageName = pSelectedPage->GetName();

            SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
            DBG_ASSERT(pFact, "Dialogdiet fail!");
            AbstractSvxNameDialog* aNameDlg = pFact->CreateSvxNameDialog(
                mrSlideSorter.GetContentWindow().get(),
                aPageName, aDescr);
            DBG_ASSERT(aNameDlg, "Dialogdiet fail!");
            aNameDlg->SetText( aTitle );
            aNameDlg->SetCheckNameHdl( LINK( this, SlotManager, RenameSlideHdl ), true );
            aNameDlg->SetEditHelpId( HID_SD_NAMEDIALOG_PAGE );

            if( aNameDlg->Execute() == RET_OK )
            {
                String aNewName;
                aNameDlg->GetName( aNewName );
                if( ! aNewName.Equals( aPageName ) )
                {
#ifdef DBG_UTIL
                    bool bResult =
#endif
                        RenameSlideFromDrawViewShell(
                          pSelectedPage->GetPageNum()/2, aNewName );
                    DBG_ASSERT( bResult, "Couldn't rename slide" );
                }
            }
            delete aNameDlg;

            // Tell the slide sorter about the name change (necessary for
            // accessibility.)
            mrSlideSorter.GetController().PageNameHasChanged(
                (pSelectedPage->GetPageNum()-1)/2, aPageName);
        }
    }
}

IMPL_LINK(SlotManager, RenameSlideHdl, AbstractSvxNameDialog*, pDialog)
{
    if( ! pDialog )
        return 0;

    String aNewName;
    pDialog->GetName( aNewName );

    model::SharedPageDescriptor pDescriptor (
        mrSlideSorter.GetController().GetCurrentSlideManager()->GetCurrentSlide());
    SdPage* pCurrentPage = NULL;
    if (pDescriptor.get() != NULL)
        pCurrentPage = pDescriptor->GetPage();

    return ( (pCurrentPage!=NULL && aNewName.Equals( pCurrentPage->GetName() ))<--- Possible null pointer dereference: pCurrentPage
        || (mrSlideSorter.GetViewShell()
            && mrSlideSorter.GetViewShell()->GetDocSh()->IsNewPageNameValid( aNewName ) ));
}

bool SlotManager::RenameSlideFromDrawViewShell( sal_uInt16 nPageId, const String & rName  )
{
    sal_Bool   bOutDummy;
    SdDrawDocument* pDocument = mrSlideSorter.GetModel().GetDocument();
    if( pDocument->GetPageByName( rName, bOutDummy ) != SDRPAGE_NOTFOUND )
        return false;

    SdPage* pPageToRename = NULL;
    PageKind ePageKind = mrSlideSorter.GetModel().GetPageType();

    ::svl::IUndoManager* pManager = pDocument->GetDocSh()->GetUndoManager();

    if( mrSlideSorter.GetModel().GetEditMode() == EM_PAGE )
    {
        model::SharedPageDescriptor pDescriptor (
            mrSlideSorter.GetController().GetCurrentSlideManager()->GetCurrentSlide());
        if (pDescriptor.get() != NULL)
            pPageToRename = pDescriptor->GetPage();

        if (pPageToRename != NULL)
        {
            // Undo
            SdPage* pUndoPage = pPageToRename;
            SdrLayerAdmin &  rLayerAdmin = pDocument->GetLayerAdmin();
            sal_uInt8 nBackground = rLayerAdmin.GetLayerID( String( SdResId( STR_LAYER_BCKGRND )), sal_False );
            sal_uInt8 nBgObj = rLayerAdmin.GetLayerID( String( SdResId( STR_LAYER_BCKGRNDOBJ )), sal_False );
            SetOfByte aVisibleLayers = pPageToRename->TRG_GetMasterPageVisibleLayers();

            // (#67720#)
            ModifyPageUndoAction* pAction = new ModifyPageUndoAction(
                pDocument, pUndoPage, rName, pUndoPage->GetAutoLayout(),
                aVisibleLayers.IsSet( nBackground ),
                aVisibleLayers.IsSet( nBgObj ));
            pManager->AddUndoAction( pAction );

            // rename
            pPageToRename->SetName( rName );

            if( ePageKind == PK_STANDARD )
            {
                // also rename notes-page
                SdPage* pNotesPage = pDocument->GetSdPage( nPageId, PK_NOTES );
                if (pNotesPage != NULL)
                    pNotesPage->SetName (rName);
            }
        }
    }
    else
    {
        // rename MasterPage -> rename LayoutTemplate
        pPageToRename = pDocument->GetMasterSdPage( nPageId, ePageKind );
        if (pPageToRename != NULL)
        {
            const String aOldLayoutName( pPageToRename->GetLayoutName() );
            pManager->AddUndoAction( new RenameLayoutTemplateUndoAction( pDocument, aOldLayoutName, rName ) );
            pDocument->RenameLayoutTemplate( aOldLayoutName, rName );
        }
    }

    bool bSuccess = pPageToRename!=NULL && ( sal_False != rName.Equals( pPageToRename->GetName()));

    if( bSuccess )
    {
        // user edited page names may be changed by the page so update control
        //        aTabControl.SetPageText( nPageId, rName );

        // set document to modified state
        pDocument->SetChanged( sal_True );

        // inform navigator about change
        SfxBoolItem aItem( SID_NAVIGATOR_INIT, sal_True );
        if (mrSlideSorter.GetViewShell() != NULL)
            mrSlideSorter.GetViewShell()->GetDispatcher()->Execute(
                SID_NAVIGATOR_INIT, SFX_CALLMODE_ASYNCHRON | SFX_CALLMODE_RECORD, &aItem, 0L );
    }

    return bSuccess;
}




/** Insert a slide.  The insertion position depends on a) the selection and
    b) the mouse position when there is no selection.

    When there is a selection then insertion takes place after the last
    slide of the selection.  For this to work all but the last selected
    slide are deselected first.

    Otherwise, when there is no selection but the insertion marker is visible
    the slide is inserted at that position.  The slide before that marker is
    selected first.

    When both the selection and the insertion marker are not visible--can
    that happen?--the new slide is inserted after the last slide.
*/
void SlotManager::InsertSlide (SfxRequest& rRequest)
{
    const sal_Int32 nInsertionIndex (GetInsertionPosition());

    PageSelector::BroadcastLock aBroadcastLock (mrSlideSorter);

    SdPage* pNewPage = NULL;
    if (mrSlideSorter.GetModel().GetEditMode() == EM_PAGE)
    {
        SlideSorterViewShell* pShell = dynamic_cast<SlideSorterViewShell*>(
            mrSlideSorter.GetViewShell());
        if (pShell != NULL)
        {
            pNewPage = pShell->CreateOrDuplicatePage (
                rRequest,
                mrSlideSorter.GetModel().GetPageType(),
                nInsertionIndex>=0
                    ? mrSlideSorter.GetModel().GetPageDescriptor(nInsertionIndex)->GetPage()
                        : NULL);
        }
    }
    else
    {
        // Use the API to create a new page.
        SdDrawDocument* pDocument = mrSlideSorter.GetModel().GetDocument();
        Reference<drawing::XMasterPagesSupplier> xMasterPagesSupplier (
            pDocument->getUnoModel(), UNO_QUERY);
        if (xMasterPagesSupplier.is())
        {
            Reference<drawing::XDrawPages> xMasterPages (
                xMasterPagesSupplier->getMasterPages());
            if (xMasterPages.is())
            {
                xMasterPages->insertNewByIndex (nInsertionIndex+1);

                // Create shapes for the default layout.
                pNewPage = pDocument->GetMasterSdPage(
                    (sal_uInt16)(nInsertionIndex+1), PK_STANDARD);
                pNewPage->CreateTitleAndLayout (sal_True,sal_True);
            }
        }
    }
    if (pNewPage == NULL)
        return;

    // When a new page has been inserted then select it, make it the
    // current page, and focus it.
    view::SlideSorterView::DrawLock aDrawLock (mrSlideSorter);
    PageSelector::UpdateLock aUpdateLock (mrSlideSorter);
    mrSlideSorter.GetController().GetPageSelector().DeselectAllPages();
    mrSlideSorter.GetController().GetPageSelector().SelectPage(pNewPage);
}




void SlotManager::DuplicateSelectedSlides (SfxRequest& rRequest)
{
    // Create a list of the pages that are to be duplicated.  The process of
    // duplication alters the selection.
    sal_Int32 nInsertPosition (0);
    ::std::vector<SdPage*> aPagesToDuplicate;
    model::PageEnumeration aSelectedPages (
        model::PageEnumerationProvider::CreateSelectedPagesEnumeration(mrSlideSorter.GetModel()));
    while (aSelectedPages.HasMoreElements())
    {
        model::SharedPageDescriptor pDescriptor (aSelectedPages.GetNextElement());
        if (pDescriptor && pDescriptor->GetPage())
        {
            aPagesToDuplicate.push_back(pDescriptor->GetPage());
            nInsertPosition = pDescriptor->GetPage()->GetPageNum()+2;
        }
    }

    // Duplicate the pages in aPagesToDuplicate and collect the newly
    // created pages in aPagesToSelect.
    const bool bUndo (aPagesToDuplicate.size()>1 && mrSlideSorter.GetView().IsUndoEnabled());
    if (bUndo)
        mrSlideSorter.GetView().BegUndo(String(SdResId(STR_INSERTPAGE)));

    ::std::vector<SdPage*> aPagesToSelect;
    for(::std::vector<SdPage*>::const_iterator
            iPage(aPagesToDuplicate.begin()),
            iEnd(aPagesToDuplicate.end());
        iPage!=iEnd;
        ++iPage, nInsertPosition+=2)
    {
        aPagesToSelect.push_back(
            mrSlideSorter.GetViewShell()->CreateOrDuplicatePage(
                rRequest, PK_STANDARD, *iPage, nInsertPosition));
    }
    aPagesToDuplicate.clear();

    if (bUndo)
        mrSlideSorter.GetView().EndUndo();

    // Set the selection to the pages in aPagesToSelect.
    PageSelector& rSelector (mrSlideSorter.GetController().GetPageSelector());
    rSelector.DeselectAllPages();
    ::std::for_each (
        aPagesToSelect.begin(),
        aPagesToSelect.end(),
        ::boost::bind(
            static_cast<void (PageSelector::*)(const SdPage*)>(&PageSelector::SelectPage),
            ::boost::ref(rSelector),
            _1));
}

void SlotManager::ChangeSlideExclusionState (
    const model::SharedPageDescriptor& rpDescriptor,
    const bool bExcludeSlide)
{
    if (rpDescriptor)
    {
        mrSlideSorter.GetView().SetState(
            rpDescriptor,
            model::PageDescriptor::ST_Excluded,
            bExcludeSlide);
    }
    else
    {
        model::PageEnumeration aSelectedPages (
            model::PageEnumerationProvider::CreateSelectedPagesEnumeration(
                mrSlideSorter.GetModel()));
        while (aSelectedPages.HasMoreElements())
        {
            model::SharedPageDescriptor pDescriptor (aSelectedPages.GetNextElement());
            mrSlideSorter.GetView().SetState(
                pDescriptor,
                model::PageDescriptor::ST_Excluded,
                bExcludeSlide);
        }
    }

    SfxBindings& rBindings (mrSlideSorter.GetViewShell()->GetViewFrame()->GetBindings());
    rBindings.Invalidate(SID_PRESENTATION);
    rBindings.Invalidate(SID_REHEARSE_TIMINGS);
    rBindings.Invalidate(SID_HIDE_SLIDE);
    rBindings.Invalidate(SID_SHOW_SLIDE);
    mrSlideSorter.GetModel().GetDocument()->SetChanged();
}




sal_Int32 SlotManager::GetInsertionPosition (void)
{
    PageSelector& rSelector (mrSlideSorter.GetController().GetPageSelector());

    // The insertion indicator is preferred.  After all the user explicitly
    // used it to define the insertion position.
    if (mrSlideSorter.GetController().GetInsertionIndicatorHandler()->IsActive())
    {
        // Select the page before the insertion indicator.
        return mrSlideSorter.GetController().GetInsertionIndicatorHandler()->GetInsertionPageIndex()
            - 1;
    }

    // Is there a stored insertion position?
    else if (mrSlideSorter.GetController().GetSelectionManager()->GetInsertionPosition() >= 0)
    {
        return mrSlideSorter.GetController().GetSelectionManager()->GetInsertionPosition() - 1;
    }

    // Use the index of the last selected slide.
    else if (rSelector.GetSelectedPageCount() > 0)
    {
        for (int nIndex=rSelector.GetPageCount()-1; nIndex>=0; --nIndex)
            if (rSelector.IsPageSelected(nIndex))
                return nIndex;

        // We should never get here.
        OSL_ASSERT(false);
        return rSelector.GetPageCount() - 1;
    }

    // Select the last page when there is at least one page.
    else if (rSelector.GetPageCount() > 0)
    {
        return rSelector.GetPageCount() - 1;
    }

    // Hope for the best that CreateOrDuplicatePage() can cope with an empty
    // selection.
    else
    {
        // We should never get here because there has to be at least one page.
        OSL_ASSERT(false);
        return -1;
    }
}




void SlotManager::NotifyEditModeChange (void)
{
    SfxBindings& rBindings (mrSlideSorter.GetViewShell()->GetViewFrame()->GetBindings());
    rBindings.Invalidate(SID_PRESENTATION);
    rBindings.Invalidate(SID_INSERTPAGE);
    rBindings.Invalidate(SID_DUPLICATE_PAGE);
}




//-----------------------------------------------------------------------------

namespace {



SlideExclusionState GetSlideExclusionState (model::PageEnumeration& rPageSet)
{
    SlideExclusionState eState (UNDEFINED);
    sal_Bool bState;

    // Get toggle state of the selected pages.
    while (rPageSet.HasMoreElements() && eState!=MIXED)
    {
        bState = rPageSet.GetNextElement()->GetPage()->IsExcluded();
        switch (eState)
        {
            case UNDEFINED:
                // Use the first selected page to set the inital value.
                eState = bState ? EXCLUDED : INCLUDED;
                break;

            case EXCLUDED:
                // The pages before where all not part of the show,
                // this one is.
                if ( ! bState)
                    eState = MIXED;
                break;

            case INCLUDED:
                // The pages before where all part of the show,
                // this one is not.
                if (bState)
                    eState = MIXED;
                break;

            case MIXED:
            default:
                // No need to change anything.
                break;
        }
    }

    return eState;
}

} // end of anonymous namespace

} } } // end of namespace ::sd::slidesorter::controller

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