libreoffice/sd/source/ui/slidesorter/controller/SlsSlotManager.cxx

/*************************************************************************
 *
 * 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 <com/sun/star/presentation/XPresentation2.hpp>

#include "controller/SlsSlotManager.hxx"
#include "SlideSorter.hxx"
#include "SlideSorterViewShell.hxx"
#include "controller/SlideSorterController.hxx"
#include "controller/SlsPageSelector.hxx"
#include "controller/SlsClipboard.hxx"
#include "controller/SlsSelectionFunction.hxx"
#include "controller/SlsFocusManager.hxx"
#include "controller/SlsCurrentSlideManager.hxx"
#include "controller/SlsSelectionManager.hxx"
#include "SlsHideSlideFunction.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 "view/SlsViewOverlay.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>

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

namespace sd { namespace slidesorter { namespace controller {

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:
        case SID_SHOW_SLIDE:
            HideSlideFunction::Create(mrSlideSorter, rRequest);
            break;

        case SID_PAGES_PER_ROW:
            if (rRequest.GetArgs() != NULL)
            {
                SFX_REQUEST_ARG(rRequest, pPagesPerRow, SfxUInt16Item,
                    SID_PAGES_PER_ROW, 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.GetView().GetWindow(),
                &mrSlideSorter.GetView(),
                pDocument,
                rRequest);
            break;

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

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

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

        case SID_INSERTPAGE:
        case SID_INSERT_MASTER_PAGE:
            InsertSlide(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)
                pViewShell->ImpSidUndo (FALSE, rRequest);
            break;
        }

        case SID_REDO :
        {
            SlideSorterViewShell* pViewShell
                = dynamic_cast<SlideSorterViewShell*>(mrSlideSorter.GetViewShell());
            if (pViewShell != NULL)
                pViewShell->ImpSidRedo (FALSE, rRequest);
            break;
        }

        default:
            break;
    }
}




void SlotManager::ExecCtrl (SfxRequest& rRequest)
{
    ViewShell* pViewShell = mrSlideSorter.GetViewShell();
    USHORT 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);
    USHORT nWhich = aIter.FirstWhich();
    while (nWhich)
    {
        USHORT 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,
                        (USHORT)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())
    {
        USHORT nSId = pShell->GetCurrentFunction()->GetSlotID();

        rSet.Put( SfxBoolItem( nSId, TRUE ) );
    }
    rSet.Put( SfxBoolItem( SID_DRAWINGMODE, FALSE ) );
    rSet.Put( SfxBoolItem( SID_DIAMODE, TRUE ) );
    rSet.Put( SfxBoolItem( SID_OUTLINEMODE, FALSE ) );
    rSet.Put( SfxBoolItem( SID_NOTESMODE, FALSE ) );
    rSet.Put( SfxBoolItem( SID_HANDOUTMODE, 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 && !pObj->IsEmptyPresObj())
                    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 ) )
    {
        BOOL bDisable = TRUE;
        model::PageEnumeration aAllPages (
            model::PageEnumerationProvider::CreateAllPagesEnumeration(mrSlideSorter.GetModel()));
        while (aAllPages.HasMoreElements())
        {
            SdPage* pPage = aAllPages.GetNextElement()->GetPage();

            if( !pPage->IsExcluded() )
                bDisable = 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()));
        HideSlideFunction::ExclusionState eState (
            HideSlideFunction::GetExclusionState(aSelectedPages));
        switch (eState)
        {
            case HideSlideFunction::MIXED:
                // Show both entries.
                break;

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

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

            case HideSlideFunction::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);
    }
}




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
    /*
    if( SFX_ITEM_AVAILABLE == rSet.GetItemState( SID_STATUS_PAGE ) ||
        SFX_ITEM_AVAILABLE == rSet.GetItemState( SID_STATUS_LAYOUT ) )
    */
    SdPage* pPage      = NULL;
    SdPage* pFirstPage = NULL;
    USHORT  nFirstPage;
    USHORT  nSelectedPages = (USHORT)mrSlideSorter.GetController().GetPageSelector().GetSelectedPageCount();
    String aPageStr;
    String aLayoutStr;

    if (nSelectedPages > 0)
        aPageStr = String(SdResId(STR_SD_PAGE));

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

        aPageStr += sal_Unicode(' ');
        aPageStr += String::CreateFromInt32( nFirstPage + 1 );
        aPageStr.AppendAscii( RTL_CONSTASCII_STRINGPARAM( " / " ));
        aPageStr += String::CreateFromInt32(
            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.GetActiveWindow(),
                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() ))
        || (mrSlideSorter.GetViewShell()
            && mrSlideSorter.GetViewShell()->GetDocSh()->IsNewPageNameValid( aNewName ) ));
}

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

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

    SfxUndoManager* 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();
            BYTE nBackground = rLayerAdmin.GetLayerID( String( SdResId( STR_LAYER_BCKGRND )), FALSE );
            BYTE nBgObj = rLayerAdmin.GetLayerID( String( SdResId( STR_LAYER_BCKGRNDOBJ )), FALSE );
            SetOfByte aVisibleLayers = pPageToRename->TRG_GetMasterPageVisibleLayers();

            // (#67720#)
            ModifyPageUndoAction* pAction = new ModifyPageUndoAction(
                pManager, 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 && ( 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( TRUE );

        // inform navigator about change
        SfxBoolItem aItem( SID_NAVIGATOR_INIT, 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)
{
    PageSelector& rSelector (mrSlideSorter.GetController().GetPageSelector());
    // The fallback insertion position is after the last slide.
    sal_Int32 nInsertionIndex (rSelector.GetPageCount() - 1);
    if (rSelector.GetSelectedPageCount() > 0)
    {
        // Deselect all but the last selected slide.
        bool bLastSelectedSlideSeen (false);
        for (int nIndex=rSelector.GetPageCount()-1; nIndex>=0; --nIndex)
        {
            if (rSelector.IsPageSelected(nIndex))
            {
                if (bLastSelectedSlideSeen)
                    rSelector.DeselectPage (nIndex);
                else
                {
                    nInsertionIndex = nIndex;
                    bLastSelectedSlideSeen = true;
                }
            }
        }
    }

    // No selection.  Is there an insertion indicator?
    else if (mrSlideSorter.GetView().GetOverlay()
        .GetInsertionIndicatorOverlay().isVisible())
    {
        // Select the page before the insertion indicator.
        nInsertionIndex = mrSlideSorter.GetView().GetOverlay()
            .GetInsertionIndicatorOverlay().GetInsertionPageIndex();
        nInsertionIndex --;
        rSelector.SelectPage (nInsertionIndex);
    }

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

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

    // Hope for the best that CreateOrDuplicatePage() can cope with an empty
    // selection.
    else
    {
        nInsertionIndex = -1;
    }

    USHORT nPageCount ((USHORT)mrSlideSorter.GetModel().GetPageCount());

    rSelector.DisableBroadcasting();
    // In order for SlideSorterController::GetActualPage() to select the
    // selected page as current page we have to turn off the focus
    // temporarily.
    {
        FocusManager::FocusHider aTemporaryFocusHider (
            mrSlideSorter.GetController().GetFocusManager());

        SdPage* pPreviousPage = NULL;
        if (nInsertionIndex >= 0)
            pPreviousPage = mrSlideSorter.GetModel()
                .GetPageDescriptor(nInsertionIndex)->GetPage();

        if (mrSlideSorter.GetModel().GetEditMode() == EM_PAGE)
        {
            SlideSorterViewShell* pShell = dynamic_cast<SlideSorterViewShell*>(
                mrSlideSorter.GetViewShell());
            if (pShell != NULL)
            {
                pShell->CreateOrDuplicatePage (
                    rRequest,
                        mrSlideSorter.GetModel().GetPageType(),
                    pPreviousPage);
            }
        }
        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.
                    SdPage* pMasterPage = pDocument->GetMasterSdPage(
                        (USHORT)(nInsertionIndex+1), PK_STANDARD);
                    pMasterPage->CreateTitleAndLayout (TRUE,TRUE);
                }
            }
        }
    }

    // When a new page has been inserted then select it and make it the
    // current page.
    mrSlideSorter.GetView().LockRedraw(TRUE);
    if (mrSlideSorter.GetModel().GetPageCount() > nPageCount)
    {
        nInsertionIndex++;
        model::SharedPageDescriptor pDescriptor = mrSlideSorter.GetModel().GetPageDescriptor(nInsertionIndex);
        if (pDescriptor.get() != NULL)
            mrSlideSorter.GetController().GetCurrentSlideManager()->SwitchCurrentSlide(pDescriptor);
    }
    rSelector.EnableBroadcasting();
    mrSlideSorter.GetView().LockRedraw(FALSE);
}

void SlotManager::ExecuteCommandAsynchronously (::std::auto_ptr<Command> pCommand)
{
    // Ownership of command is (implicitely) transferred to the queue.
    maCommandQueue.push(pCommand.get());
    pCommand.release();
    Application::PostUserEvent(LINK(this,SlotManager,UserEventCallback));
}

IMPL_LINK(SlotManager, UserEventCallback, void*, EMPTYARG)
{
    if ( ! maCommandQueue.empty())
    {
        Command* pCommand = maCommandQueue.front();
        maCommandQueue.pop();

        if (pCommand != NULL)
        {
            // The queue ownes the command that has just been removed from
            // it.  Therefore it is deleted after it has been executed.
            (*pCommand)();
            delete pCommand;
        }
    }

    return 1;
}

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