/* -*- 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 <fuexpand.hxx>

#include <sfx2/viewfrm.hxx>

#include <svx/svdotext.hxx>

#include <svx/xfillit0.hxx>

#include <svx/xlineit0.hxx>

#include <svx/svdundo.hxx>

#include <editeng/outlobj.hxx>

#include <svx/svdetc.hxx>

#include <xmloff/autolayout.hxx>

#include <sal/log.hxx>

#include <app.hrc>

#include <strings.hrc>

#include <pres.hxx>

#include <View.hxx>

#include <sdpage.hxx>

#include <Outliner.hxx>

#include <drawdoc.hxx>

#include <ViewShell.hxx>

#include <sdresid.hxx>

#include <sdmod.hxx>

#include <sfx2/dispatch.hxx>

#include <editeng/eeitem.hxx>

using namespace com::sun::star;

namespace sd {

FuExpandPage::FuExpandPage (

    ViewShell& rViewSh,

    ::sd::Window* pWin,

    ::sd::View* pView,

    SdDrawDocument& rDoc,

    SfxRequest& rReq)

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

{

}

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

{

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

    xFunc->DoExecute(rReq);

    return xFunc;

}

void FuExpandPage::DoExecute( SfxRequest& )

{

    if ( mpView && mpView->IsTextEdit() )

        mpView->SdrEndTextEdit();

    // find selected page (only standard pages)

    SdPage* pActualPage = nullptr;

    sal_uInt16 i = 0;

    sal_uInt16 nCount = mrDoc.GetSdPageCount(PageKind::Standard);

    while (!pActualPage && i < nCount)

    {

        if (mrDoc.GetSdPage(i, PageKind::Standard)->IsSelected())

        {

            pActualPage = mrDoc.GetSdPage(i, PageKind::Standard);

        }

        i++;

    }

    if (!pActualPage)

        return;

    SdOutliner aOutliner( mrDoc, OutlinerMode::OutlineObject );

    aOutliner.SetUpdateLayout(false);

    aOutliner.EnableUndo(false);

    if (mpDocSh)

        aOutliner.SetRefDevice(SdModule::get()->GetVirtualRefDevice());

    aOutliner.SetDefTab( mrDoc.GetDefaultTabulator() );

    aOutliner.SetStyleSheetPool(static_cast<SfxStyleSheetPool*>(mrDoc.GetStyleSheetPool()));

    SdrLayerIDSet aVisibleLayers = pActualPage->TRG_GetMasterPageVisibleLayers();

    sal_uInt16 nActualPageNum = pActualPage->GetPageNum();

    SdPage* pActualNotesPage = static_cast<SdPage*>(mrDoc.GetPage(nActualPageNum + 1));

    SdrTextObj* pActualOutline = static_cast<SdrTextObj*>(pActualPage->GetPresObj(PresObjKind::Outline));

    if (pActualOutline)

    {

        const bool bUndo = mpView && mpView->IsUndoEnabled();

        if( bUndo )

            mpView->BegUndo(SdResId(STR_UNDO_EXPAND_PAGE));

        // set current structuring-object into outliner

        OutlinerParaObject* pParaObj = pActualOutline->GetOutlinerParaObject();

        aOutliner.SetText(*pParaObj);

        // remove hard paragraph- and character attributes

        SfxItemSet aEmptyEEAttr(SfxItemSet::makeFixedSfxItemSet<EE_ITEMS_START, EE_ITEMS_END>(mrDoc.GetPool()));

        sal_Int32 nParaCount1 = aOutliner.GetParagraphCount();

        for (sal_Int32 nPara = 0; nPara < nParaCount1; nPara++)

        {

            aOutliner.RemoveCharAttribs(nPara);

            aOutliner.SetParaAttribs(nPara, aEmptyEEAttr);

        }

        sal_uInt16 nPos = 2;

        Paragraph* pPara = aOutliner.GetParagraph( 0 );

        while (pPara)

        {

            sal_Int32 nParaPos = aOutliner.GetAbsPos( pPara );

            sal_Int16 nDepth = aOutliner.GetDepth( nParaPos );

            if ( nDepth == 0 )

            {

                // page with title & structuring!

                rtl::Reference<SdPage> pPage = mrDoc.AllocSdPage(false);

                pPage->SetSize(pActualPage->GetSize() );

                pPage->SetBorder(pActualPage->GetLeftBorder(),

                                 pActualPage->GetUpperBorder(),

                                 pActualPage->GetRightBorder(),

                                 pActualPage->GetLowerBorder() );

                pPage->SetName(OUString());

                // insert page after current page

                mrDoc.InsertPage(pPage.get(), nActualPageNum + nPos);

                nPos++;

                if( bUndo )

                    mpView->AddUndo(mrDoc.GetSdrUndoFactory().CreateUndoNewPage(*pPage));

                // use MasterPage of the current page

                pPage->TRG_SetMasterPage(pActualPage->TRG_GetMasterPage());

                pPage->SetLayoutName(pActualPage->GetLayoutName());

                pPage->SetAutoLayout(AUTOLAYOUT_TITLE_CONTENT, true);

                pPage->TRG_SetMasterPageVisibleLayers(aVisibleLayers);

                // notes-page

                rtl::Reference<SdPage> pNotesPage = mrDoc.AllocSdPage(false);

                pNotesPage->SetSize(pActualNotesPage->GetSize());

                pNotesPage->SetBorder(pActualNotesPage->GetLeftBorder(),

                                      pActualNotesPage->GetUpperBorder(),

                                      pActualNotesPage->GetRightBorder(),

                                      pActualNotesPage->GetLowerBorder() );

                pNotesPage->SetPageKind(PageKind::Notes);

                pNotesPage->SetName(OUString());

                // insert page after current page

                mrDoc.InsertPage(pNotesPage.get(), nActualPageNum + nPos);

                nPos++;

                if( bUndo )

                    mpView->AddUndo(mrDoc.GetSdrUndoFactory().CreateUndoNewPage(*pNotesPage));

                // use MasterPage of the current page

                pNotesPage->TRG_SetMasterPage(pActualNotesPage->TRG_GetMasterPage());

                pNotesPage->SetLayoutName(pActualNotesPage->GetLayoutName());

                pNotesPage->SetAutoLayout(pActualNotesPage->GetAutoLayout(), true);

                pNotesPage->TRG_SetMasterPageVisibleLayers(aVisibleLayers);

                // create title text objects

                SdrTextObj* pTextObj = static_cast<SdrTextObj*>(pPage->GetPresObj(PresObjKind::Title));

                SAL_WARN_IF(!pTextObj, "sd.core", "worrying lack of PresObjKind::Title object");

                if (!pTextObj)

                    continue;

                std::optional<OutlinerParaObject> pOutlinerParaObject = aOutliner.CreateParaObject( nParaPos, 1);

                pOutlinerParaObject->SetOutlinerMode(OutlinerMode::TitleObject);

                if( pOutlinerParaObject->GetNumberingDepth(0) != -1 )

                {

                    std::unique_ptr<SdrOutliner> pTempOutl = SdrMakeOutliner(OutlinerMode::TitleObject, mrDoc);

                    pTempOutl->SetText( *pOutlinerParaObject );

                    pOutlinerParaObject.reset();

                    pTempOutl->SetDepth( pTempOutl->GetParagraph( 0 ), -1 );

                    pOutlinerParaObject = pTempOutl->CreateParaObject();

                }

                pTextObj->SetOutlinerParaObject(std::move(pOutlinerParaObject));

                pTextObj->SetEmptyPresObj(false);

                SfxStyleSheet* pSheet = pPage->GetStyleSheetForPresObj(PresObjKind::Title);

                pTextObj->NbcSetStyleSheet(pSheet, false);

                SdrTextObj* pOutlineObj = nullptr;

                sal_Int32 nChildCount = aOutliner.GetChildCount(pPara);

                if (nChildCount > 0)

                    pOutlineObj = static_cast<SdrTextObj*>( pPage->GetPresObj(PresObjKind::Outline) );

                if (pOutlineObj)

                {

                    // create structuring text objects

                    std::optional<OutlinerParaObject> pOPO = aOutliner.CreateParaObject(++nParaPos, nChildCount);

                    std::unique_ptr<SdrOutliner> pTempOutl = SdrMakeOutliner(OutlinerMode::OutlineObject, mrDoc);

                    pTempOutl->SetText( *pOPO );

                    sal_Int32 nParaCount2 = pTempOutl->GetParagraphCount();

                    sal_Int32 nPara;

                    for( nPara = 0; nPara < nParaCount2; nPara++ )

                    {

                        pTempOutl->SetDepth (

                            pTempOutl->GetParagraph( nPara ),

                            pTempOutl->GetDepth( nPara ) - 1);

                    }

                    pOPO = pTempOutl->CreateParaObject();

                    pTempOutl.reset();

                    pOutlineObj->SetOutlinerParaObject( std::move(pOPO) );

                    pOutlineObj->SetEmptyPresObj(false);

                    // remove hard attributes (Flag to sal_True)

                    SfxItemSet aAttr(mrDoc.GetPool());

                    aAttr.Put(XLineStyleItem(drawing::LineStyle_NONE));

                    aAttr.Put(XFillStyleItem(drawing::FillStyle_NONE));

                    pOutlineObj->SetMergedItemSet(aAttr);

                }

            }

            pPara = aOutliner.GetParagraph( ++nParaPos );

        }

        if( bUndo )

            mpView->EndUndo();

    }

    mrViewShell.GetViewFrame()->GetDispatcher()->Execute(SID_DELETE_PAGE, SfxCallMode::SYNCHRON | SfxCallMode::RECORD);

}

} // end of namespace sd

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