/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#include <fuprlout.hxx>

#include <sfx2/dispatch.hxx>

#include <sfx2/viewfrm.hxx>

#include <sfx2/request.hxx>

#include <svl/stritem.hxx>

#include <sdattr.hrc>

#include <drawdoc.hxx>

#include <sdpage.hxx>

#include <pres.hxx>

#include <DrawViewShell.hxx>

#include <View.hxx>

#include <glob.hxx>

#include <app.hrc>

#include <DrawDocShell.hxx>

#include <SlideSorterViewShell.hxx>

#include <Window.hxx>

#include <drawview.hxx>

#include <sdabstdlg.hxx>

#include <memory>

#include <unordered_set>

namespace sd

{

#define DOCUMENT_TOKEN '#'

FuPresentationLayout::FuPresentationLayout (

    ViewShell& rViewSh,

    ::sd::Window* pWin,

    ::sd::View* pView,

    SdDrawDocument& rDoc,

    SfxRequest& rReq)

    : FuPoor(rViewSh, pWin, pView, rDoc, rReq)

{

}

rtl::Reference<FuPoor> FuPresentationLayout::Create( ViewShell& rViewSh, ::sd::Window* pWin, ::sd::View* pView, SdDrawDocument& rDoc, SfxRequest& rReq )

{

    rtl::Reference<FuPoor> xFunc( new FuPresentationLayout( rViewSh, pWin, pView, rDoc, rReq ) );

    xFunc->DoExecute(rReq);

    return xFunc;

}

void FuPresentationLayout::DoExecute( SfxRequest& rReq )

{

    // prevent selected objects or objects which are under editing from disappearing

    mpView->SdrEndTextEdit();

    if(mpView->GetSdrPageView())

    {

        mpView->UnmarkAll();

    }

    bool bError = false;

    /* if we are on a master page, the changes apply for all pages and notes-

       pages who are using the relevant layout */

    bool bOnMaster = false;

    if (DrawViewShell *pShell = dynamic_cast<DrawViewShell*>(&mrViewShell))

    {

        EditMode eEditMode = pShell->GetEditMode();

        if (eEditMode == EditMode::MasterPage)

            bOnMaster = true;

    }

    std::vector<SdPage*> aUnselect;

    if (!bOnMaster)

    {

        //We later rely on IsSelected, so transfer the selection here

        //into the document

        slidesorter::SlideSorterViewShell* pSlideSorterViewShell

            = slidesorter::SlideSorterViewShell::GetSlideSorter(mrViewShell.GetViewShellBase());

        if (pSlideSorterViewShell)

        {

            std::shared_ptr<slidesorter::SlideSorterViewShell::PageSelection> xSelection(

                pSlideSorterViewShell->GetPageSelection());

            if (xSelection)

            {

                for (SdPage *pPage : *xSelection)

                {

                    if (pPage->IsSelected() || pPage->GetPageKind() != PageKind::Standard)

                        continue;

                    mrDoc.SetSelected(pPage, true);

                    aUnselect.push_back(pPage);

                }

            }

        }

    }

    std::vector<SdPage*> aSelectedPages;

    std::vector<sal_uInt16> aSelectedPageNums;

    // determine the active pages

    for (sal_uInt16 nPage = 0; nPage < mrDoc.GetSdPageCount(PageKind::Standard); nPage++)

    {

        SdPage* pPage = mrDoc.GetSdPage(nPage, PageKind::Standard);

        if (pPage->IsSelected())

        {

            aSelectedPages.push_back(pPage);

            aSelectedPageNums.push_back(nPage);

        }

    }

    bool bMasterPage = bOnMaster;

    bool bCheckMasters = false;

    // call dialog

    bool   bLoad = false;           // appear the new master pages?

    OUString aFile;

    SfxItemSet aSet(SfxItemSet::makeFixedSfxItemSet<ATTR_PRESLAYOUT_START, ATTR_PRESLAYOUT_END>(mrDoc.GetPool() ));

    aSet.Put( SfxBoolItem( ATTR_PRESLAYOUT_LOAD, bLoad));

    aSet.Put( SfxBoolItem( ATTR_PRESLAYOUT_MASTER_PAGE, bMasterPage ) );

    aSet.Put( SfxBoolItem( ATTR_PRESLAYOUT_CHECK_MASTERS, bCheckMasters ) );

    if (!aSelectedPages.empty())

    {

        OUString aOldLayoutName(aSelectedPages.back()->GetLayoutName());

        sal_Int32 nPos = aOldLayoutName.indexOf(SD_LT_SEPARATOR);

        if (nPos != -1)

            aOldLayoutName = aOldLayoutName.copy(0, nPos);

        aSet.Put(SfxStringItem(ATTR_PRESLAYOUT_NAME, aOldLayoutName));

    }

    const SfxItemSet *pArgs = rReq.GetArgs ();

    if (pArgs)

    {

        if (pArgs->GetItemState(ATTR_PRESLAYOUT_LOAD) == SfxItemState::SET)

            bLoad = static_cast<const SfxBoolItem&>(pArgs->Get(ATTR_PRESLAYOUT_LOAD)).GetValue();

        if( pArgs->GetItemState( ATTR_PRESLAYOUT_MASTER_PAGE ) == SfxItemState::SET )

            bMasterPage = pArgs->Get( ATTR_PRESLAYOUT_MASTER_PAGE ).GetValue();

        if( pArgs->GetItemState( ATTR_PRESLAYOUT_CHECK_MASTERS ) == SfxItemState::SET )

            bCheckMasters = static_cast<const SfxBoolItem&>( pArgs->Get( ATTR_PRESLAYOUT_CHECK_MASTERS ) ).GetValue();

        if (pArgs->GetItemState(ATTR_PRESLAYOUT_NAME) == SfxItemState::SET)

            aFile = pArgs->Get(ATTR_PRESLAYOUT_NAME).GetValue();

    }

    else

    {

        SdAbstractDialogFactory* pFact = SdAbstractDialogFactory::Create();

        ScopedVclPtr<AbstractSdPresLayoutDlg> pDlg(pFact->CreateSdPresLayoutDlg(mpWindow ? mpWindow->GetFrameWeld() : nullptr, mpDocSh, aSet));

        sal_uInt16 nResult = pDlg->Execute();

        switch (nResult)

        {

            case RET_OK:

            {

                pDlg->GetAttr(aSet);

                if (aSet.GetItemState(ATTR_PRESLAYOUT_LOAD) == SfxItemState::SET)

                    bLoad = static_cast<const SfxBoolItem&>(aSet.Get(ATTR_PRESLAYOUT_LOAD)).GetValue();

                if( aSet.GetItemState( ATTR_PRESLAYOUT_MASTER_PAGE ) == SfxItemState::SET )

                    bMasterPage = aSet.Get( ATTR_PRESLAYOUT_MASTER_PAGE ).GetValue();

                if( aSet.GetItemState( ATTR_PRESLAYOUT_CHECK_MASTERS ) == SfxItemState::SET )

                    bCheckMasters = static_cast<const SfxBoolItem&>(aSet.Get( ATTR_PRESLAYOUT_CHECK_MASTERS ) ).GetValue();

                if (aSet.GetItemState(ATTR_PRESLAYOUT_NAME) == SfxItemState::SET)

                    aFile = aSet.Get(ATTR_PRESLAYOUT_NAME).GetValue();

            }

            break;

            default:

                bError = true;

        }

    }

    if (bError)

        return;

    // tdf#111085 - exchanging the master page already updates all slides using the same master,

    // so it is enough to update one selected slide per master

    std::vector<sal_uInt16> aPageNumsToChange;

    std::unordered_set<OUString> aHandledLayouts;

    for (size_t i = 0; i < aSelectedPages.size(); ++i)

    {

        if (!bMasterPage || aHandledLayouts.insert(aSelectedPages[i]->GetLayoutName()).second)

            aPageNumsToChange.push_back(aSelectedPageNums[i]);

    }

    mpDocSh->SetWaitCursor( true );

    /* Here, we only exchange masterpages, therefore the current page

       remains the current page. To prevent calling PageOrderChangedHint

       during insertion and extraction of the masterpages, we block. */

    /* That isn't quite right. If the masterpageview is active and you are

       removing a masterpage, it's possible that you are removing the

       current masterpage. So you have to call ResetActualPage ! */

    if( dynamic_cast< const DrawViewShell *>( &mrViewShell ) !=  nullptr && !bCheckMasters )

        static_cast<DrawView*>(mpView)->BlockPageOrderChangedHint(true);

    if (bLoad)

    {

        sal_Int32 nIdx{ 0 };

        OUString aFileName = aFile.getToken(0, DOCUMENT_TOKEN, nIdx);

        SdDrawDocument* pTempDoc = mrDoc.OpenBookmarkDoc( aFileName );

        // #69581: If I chose the standard-template I got no filename and so I get no

        //         SdDrawDocument-Pointer. But the method SetMasterPage is able to handle

        //         a NULL-pointer as a Standard-template ( look at SdDrawDocument::SetMasterPage )

        OUString aLayoutName;

        if( pTempDoc )

            aLayoutName = aFile.getToken(0, DOCUMENT_TOKEN, nIdx);

        for (auto nSelectedPage : aPageNumsToChange)

            mrDoc.SetMasterPage(nSelectedPage, aLayoutName, pTempDoc, bMasterPage, bCheckMasters);

        mrDoc.CloseBookmarkDoc();

    }

    else

    {

        // use master page with the layout name aFile from current Doc

        for (auto nSelectedPage : aPageNumsToChange)

            mrDoc.SetMasterPage(nSelectedPage, aFile, &mrDoc, bMasterPage, bCheckMasters);

    }

    // remove blocking

    if( dynamic_cast< const DrawViewShell *>( &mrViewShell ) !=  nullptr && !bCheckMasters )

        static_cast<DrawView*>(mpView)->BlockPageOrderChangedHint(false);

    // if the master page was visible, show it again

    if (!aSelectedPages.empty())

    {

        if (bOnMaster)

        {

            if( auto pDrawViewShell = dynamic_cast<DrawViewShell *>( &mrViewShell ))

            {

                ::sd::View* pView = pDrawViewShell->GetView();

                for (auto pSelectedPage : aSelectedPages)

                {

                    sal_uInt16 nPgNum = pSelectedPage->TRG_GetMasterPage().GetPageNum();

                    if (static_cast<DrawViewShell*>(&mrViewShell)->GetPageKind() == PageKind::Notes)

                        nPgNum++;

                    pView->HideSdrPage();

                    pView->ShowSdrPage(pView->GetModel().GetMasterPage(nPgNum));

                }

            }

            // force update of TabBar

            mrViewShell.GetViewFrame()->GetDispatcher()->Execute(SID_MASTERPAGE, SfxCallMode::ASYNCHRON | SfxCallMode::RECORD);

        }

        else

        {

            for (auto pSelectedPage : aSelectedPages)

                pSelectedPage->SetAutoLayout(pSelectedPage->GetAutoLayout());

        }

    }

    //Undo transfer to document selection

    for (auto pPage : aUnselect)

        mrDoc.SetSelected(pPage, false);

    // fake a mode change to repaint the page tab bar

    if( auto pDrawViewSh = dynamic_cast<DrawViewShell *>( &mrViewShell ) )

    {

        EditMode eMode = pDrawViewSh->GetEditMode();

        bool bLayer = pDrawViewSh->IsLayerModeActive();

        pDrawViewSh->ChangeEditMode( eMode, !bLayer );

        pDrawViewSh->ChangeEditMode( eMode, bLayer );

    }

    mpDocSh->SetWaitCursor( false );

}

} // end of namespace sd

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */