/* -*- 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 <DrawDocShell.hxx>

#include <svx/svxids.hrc>

#include <svx/ofaitem.hxx>

#include <svl/stritem.hxx>

#include <svl/srchitem.hxx>

#include <svl/languageoptions.hxx>

#include <svtools/langtab.hxx>

#include <sfx2/request.hxx>

#include <sfx2/sfxdlg.hxx>

#include <sfx2/viewfrm.hxx>

#include <vcl/abstdlg.hxx>

#include <svx/drawitem.hxx>

#include <editeng/langitem.hxx>

#include <editeng/eeitem.hxx>

#include <editeng/outlobj.hxx>

#include <editeng/editobj.hxx>

#include <com/sun/star/i18n/TextConversionOption.hpp>

#include <sfx2/notebookbar/SfxNotebookBar.hxx>

#include <editeng/editeng.hxx>

#include <osl/diagnose.h>

#include <sdmod.hxx>

#include <drawdoc.hxx>

#include <fusearch.hxx>

#include <ViewShell.hxx>

#include <slideshow.hxx>

#include <fuhhconv.hxx>

#include <memory>

using namespace ::com::sun::star;

namespace sd {

static void lcl_setLanguageForObj( SdrObject *pObj, LanguageType nLang, bool bLanguageNone )

{

    const sal_uInt16 aLangWhichId_EE[3] =

    {

        EE_CHAR_LANGUAGE,

        EE_CHAR_LANGUAGE_CJK,

        EE_CHAR_LANGUAGE_CTL

    };

    if( bLanguageNone )

        nLang = LANGUAGE_NONE;

    if( nLang != LANGUAGE_DONTKNOW )

    {

        if( nLang == LANGUAGE_NONE )

        {

            for(sal_uInt16 n : aLangWhichId_EE)

                pObj->SetMergedItem( SvxLanguageItem( nLang, n ) );

        }

        else

        {

            sal_uInt16 nLangWhichId = 0;

            SvtScriptType nScriptType = SvtLanguageOptions::GetScriptTypeOfLanguage( nLang );

            switch (nScriptType)

            {

                case SvtScriptType::LATIN :    nLangWhichId = EE_CHAR_LANGUAGE; break;

                case SvtScriptType::ASIAN :    nLangWhichId = EE_CHAR_LANGUAGE_CJK; break;

                case SvtScriptType::COMPLEX :  nLangWhichId = EE_CHAR_LANGUAGE_CTL; break;

                default:

                    OSL_FAIL("unexpected case" );

                    return;

            }

            pObj->SetMergedItem( SvxLanguageItem( nLang, nLangWhichId ) );

            // Reset shape text language to default, so it inherits the shape language set above.

            OutlinerParaObject* pOutliner = pObj->GetOutlinerParaObject();

            if (pOutliner)

            {

                EditTextObject& rEditTextObject

                    = const_cast<EditTextObject&>(pOutliner->GetTextObject());

                for (sal_uInt16 n : aLangWhichId_EE)

                {

                    rEditTextObject.RemoveCharAttribs(n);

                }

            }

        }

    }

    else    // Reset to default

    {

        for(sal_uInt16 n : aLangWhichId_EE)

            pObj->ClearMergedItem( n );

    }

}

static void lcl_setLanguage( const SdDrawDocument *pDoc, std::u16string_view rLanguage, bool bLanguageNone = false )

{

    LanguageType nLang = SvtLanguageTable::GetLanguageType( rLanguage );

    // Do it for SdDrawDocument->SetLanguage as well?

    sal_uInt16 nPageCount = pDoc->GetPageCount();   // Pick All Pages

    for( sal_uInt16 nPage = 0; nPage < nPageCount; nPage++ )

    {

        const SdrPage *pPage = pDoc->GetPage( nPage );

        for (const rtl::Reference<SdrObject>& pObj : *pPage)

            if (pObj->GetObjIdentifier() != SdrObjKind::Page)

                lcl_setLanguageForObj( pObj.get(), nLang, bLanguageNone );

    }

}

/**

 * Handles SFX-Requests

 */

void DrawDocShell::Execute( SfxRequest& rReq )

{

    if(mpViewShell && SlideShow::IsRunning( mpViewShell->GetViewShellBase() )

        && !SlideShow::IsInteractiveSlideshow( mpViewShell->GetViewShellBase() ) ) // IASS

    {

        // during a running presentation no slot will be executed

        return;

    }

    switch ( rReq.GetSlot() )

    {

        case SID_SEARCH_ITEM:

        {

            const SfxItemSet* pReqArgs = rReq.GetArgs();

            if (pReqArgs)

            {

                const SvxSearchItem & rSearchItem = pReqArgs->Get(SID_SEARCH_ITEM);

                SdModule::get()->SetSearchItem(std::unique_ptr<SvxSearchItem>(rSearchItem.Clone()));

            }

            rReq.Done();

        }

        break;

        case FID_SEARCH_ON:

        {

            // no action needed

            rReq.Done();

        }

        break;

        case FID_SEARCH_OFF:

        {

            if (mpViewShell)

            {

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

                if (pView)

                {

                    auto& rFunctionContext = pView->getSearchContext();

                    rtl::Reference<FuSearch>& xFuSearch(rFunctionContext.getFunctionSearch());

                    if (xFuSearch.is())

                    {

                        // End Search&Replace in all docshells

                        SfxObjectShell* pFirstShell = SfxObjectShell::GetFirst();

                        SfxObjectShell* pShell = pFirstShell;

                        while (pShell)

                        {

                            auto pDrawDocShell = dynamic_cast<DrawDocShell*>(pShell);

                            if (pDrawDocShell)

                                pDrawDocShell->CancelSearching();

                            pShell = SfxObjectShell::GetNext(*pShell);

                            if (pShell == pFirstShell)

                                pShell = nullptr;

                        }

                        rFunctionContext.resetSearchFunction();

                        Invalidate();

                        rReq.Done();

                    }

                }

            }

        }

        break;

        case FID_SEARCH_NOW:

        {

            const SfxItemSet* pReqArgs = rReq.GetArgs();

            if (pReqArgs && mpViewShell)

            {

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

                if (pView)

                {

                    rtl::Reference<FuSearch> & xFuSearch = pView->getSearchContext().getFunctionSearch();

                    if (!xFuSearch.is())

                    {

                        xFuSearch = rtl::Reference<FuSearch>(

                            FuSearch::createPtr(*mpViewShell,

                                                mpViewShell->GetActiveWindow(),

                                                pView, *mpDoc, rReq));

                        pView->getSearchContext().setSearchFunction(xFuSearch);

                    }

                    if (xFuSearch.is())

                    {

                        const SvxSearchItem& rSearchItem = pReqArgs->Get(SID_SEARCH_ITEM);

                        SdModule::get()->SetSearchItem(std::unique_ptr<SvxSearchItem>(rSearchItem.Clone()));

                        xFuSearch->SearchAndReplace(&rSearchItem);

                    }

                }

            }

            rReq.Done();

        }

        break;

        case SID_SAVEDOC:

        case SID_SAVEASDOC:

        {

            const SfxPoolItem* pItem = nullptr;

            bool bCommitChanges = false;

            const SfxItemSet* pReqArgs = rReq.GetArgs();

            bool bHasDontTerminateEdit = pReqArgs && pReqArgs->HasItem(FN_PARAM_1, &pItem);

            if (bHasDontTerminateEdit && pItem)

                bCommitChanges = !static_cast<const SfxBoolItem*>(pItem)->GetValue();

            if (mpViewShell && bCommitChanges)

            {

                SdrView* pView = mpViewShell->GetView();

                if (pView)

                    pView->SdrEndTextEdit();

            }

            ExecuteSlot( rReq, SfxObjectShell::GetStaticInterface() );

        }

        break;

        case SID_VERSION:

        case SID_CLOSEDOC:

        {

            ExecuteSlot(rReq, SfxObjectShell::GetStaticInterface());

        }

        break;

        case SID_GET_COLORLIST:

        {

            const SvxColorListItem* pColItem = GetItem( SID_COLOR_TABLE );

            const XColorListRef& pList = pColItem->GetColorList();

            rReq.SetReturnValue( OfaXColorListItem( SID_GET_COLORLIST, pList ) );

        }

        break;

        case SID_HANGUL_HANJA_CONVERSION:

        {

            if( mpViewShell )

            {

                rtl::Reference<FuPoor> aFunc( FuHangulHanjaConversion::Create(*mpViewShell, mpViewShell->GetActiveWindow(), mpViewShell->GetView(), *mpDoc, rReq ) );

                static_cast< FuHangulHanjaConversion* >( aFunc.get() )->StartConversion( LANGUAGE_KOREAN, LANGUAGE_KOREAN, nullptr, i18n::TextConversionOption::CHARACTER_BY_CHARACTER, true );

            }

        }

        break;

        case SID_CHINESE_CONVERSION:

        {

            if( mpViewShell )

            {

                rtl::Reference<FuPoor> aFunc( FuHangulHanjaConversion::Create(*mpViewShell, mpViewShell->GetActiveWindow(), mpViewShell->GetView(), *mpDoc, rReq ) );

                static_cast< FuHangulHanjaConversion* >( aFunc.get() )->StartChineseConversion();

            }

        }

        break;

        case SID_LANGUAGE_STATUS:

        {

            OUString aNewLangTxt;

            const SfxStringItem* pItem = rReq.GetArg<SfxStringItem>(SID_LANGUAGE_STATUS);

            if (pItem)

                aNewLangTxt = pItem->GetValue();

            if (aNewLangTxt == "*" )

            {

                // open the dialog "Tools/Options/Languages and Locales - General"

                if (mpViewShell)

                {

                    SfxAbstractDialogFactory* pFact = SfxAbstractDialogFactory::Create();

                    ScopedVclPtr<VclAbstractDialog> pDlg(pFact->CreateVclDialog( mpViewShell->GetFrameWeld(), SID_LANGUAGE_OPTIONS ));

                    pDlg->Execute();

                }

            }

            else

            {

                if( mpViewShell )

                {

                    // setting the new language...

                    if (!aNewLangTxt.isEmpty())

                    {

                        static constexpr OUString aSelectionLangPrefix(u"Current_"_ustr);

                        static constexpr OUString aParagraphLangPrefix(u"Paragraph_"_ustr);

                        static constexpr OUString aDocumentLangPrefix(u"Default_"_ustr);

                        bool bSelection = false;

                        bool bParagraph = false;

                        SdDrawDocument* pDoc = mpViewShell->GetDoc();

                        sal_Int32 nPos = -1;

                        if (-1 != (nPos = aNewLangTxt.indexOf( aDocumentLangPrefix )))

                        {

                            aNewLangTxt = aNewLangTxt.replaceAt( nPos, aDocumentLangPrefix.getLength(), u"" );

                            if (aNewLangTxt == "LANGUAGE_NONE")

                                lcl_setLanguage( pDoc, u"", true );

                            else if (aNewLangTxt == "RESET_LANGUAGES")

                                lcl_setLanguage( pDoc, u"" );

                            else

                                lcl_setLanguage( pDoc, aNewLangTxt );

                        }

                        else if (-1 != (nPos = aNewLangTxt.indexOf( aSelectionLangPrefix )))

                        {

                            bSelection = true;

                            aNewLangTxt = aNewLangTxt.replaceAt( nPos, aSelectionLangPrefix.getLength(), u"" );

                        }

                        else if (-1 != (nPos = aNewLangTxt.indexOf( aParagraphLangPrefix )))

                        {

                            bParagraph = true;

                            aNewLangTxt = aNewLangTxt.replaceAt( nPos, aParagraphLangPrefix.getLength(), u"" );

                        }

                        if (bSelection || bParagraph)

                        {

                            SdrView* pSdrView = mpViewShell->GetDrawView();

                            if (!pSdrView)

                                return;

                            EditView& rEditView = pSdrView->GetTextEditOutlinerView()->GetEditView();

                            const LanguageType nLangToUse = SvtLanguageTable::GetLanguageType( aNewLangTxt );

                            SvtScriptType nScriptType = SvtLanguageOptions::GetScriptTypeOfLanguage( nLangToUse );

                            SfxItemSet aAttrs = rEditView.getEditEngine().GetEmptyItemSet();

                            if (nScriptType == SvtScriptType::LATIN)

                                aAttrs.Put( SvxLanguageItem( nLangToUse, EE_CHAR_LANGUAGE ) );

                            if (nScriptType == SvtScriptType::COMPLEX)

                                aAttrs.Put( SvxLanguageItem( nLangToUse, EE_CHAR_LANGUAGE_CTL ) );

                            if (nScriptType == SvtScriptType::ASIAN)

                                aAttrs.Put( SvxLanguageItem( nLangToUse, EE_CHAR_LANGUAGE_CJK ) );

                            ESelection aOldSel;

                            if (bParagraph)

                            {

                                ESelection aSel = rEditView.GetSelection();

                                aOldSel = aSel;

                                aSel.start.nIndex = 0;

                                aSel.end.nIndex = EE_TEXTPOS_MAX;

                                rEditView.SetSelection( aSel );

                            }

                            rEditView.SetAttribs( aAttrs );

                            if (bParagraph)

                                rEditView.SetSelection( aOldSel );

                        }

                        if ( pDoc->GetOnlineSpell() )

                        {

                            pDoc->StartOnlineSpelling();

                        }

                    }

                }

            }

            Broadcast(SfxHint(SfxHintId::LanguageChanged));

        }

        break;

        case SID_SPELLCHECK_IGNORE_ALL:

        {

            if (!mpViewShell)

                return;

            SdrView* pSdrView = mpViewShell->GetDrawView();

            if (!pSdrView)

                return;

            EditView& rEditView = pSdrView->GetTextEditOutlinerView()->GetEditView();

            OUString sIgnoreText;

            const SfxStringItem* pItem2 = rReq.GetArg<SfxStringItem>(FN_PARAM_1);

            if (pItem2)

                sIgnoreText = pItem2->GetValue();

            if(sIgnoreText == "Spelling")

            {

                ESelection aOldSel = rEditView.GetSelection();

                rEditView.SpellIgnoreWord();

                rEditView.SetSelection( aOldSel );

            }

        }

        break;

        case SID_SPELLCHECK_APPLY_SUGGESTION:

        {

            if (!mpViewShell)

                return;

            SdrView* pSdrView = mpViewShell->GetDrawView();

            if (!pSdrView)

                return;

            EditView& rEditView = pSdrView->GetTextEditOutlinerView()->GetEditView();

            OUString sApplyText;

            const SfxStringItem* pItem2 = rReq.GetArg<SfxStringItem>(FN_PARAM_1);

            if (pItem2)

                sApplyText = pItem2->GetValue();

            static constexpr OUString sSpellingRule(u"Spelling_"_ustr);

            sal_Int32 nPos = 0;

            if(-1 != (nPos = sApplyText.indexOf( sSpellingRule )))

            {

                sApplyText = sApplyText.replaceAt(nPos, sSpellingRule.getLength(), u"");

                rEditView.InsertText( sApplyText );

            }

        }

        break;

        case SID_NOTEBOOKBAR:

        {

            const SfxStringItem* pFile = rReq.GetArg<SfxStringItem>( SID_NOTEBOOKBAR );

            if ( mpViewShell )

            {

                SfxBindings& rBindings( mpViewShell->GetFrame()->GetBindings() );

                if ( sfx2::SfxNotebookBar::IsActive() )

                    sfx2::SfxNotebookBar::ExecMethod( rBindings, pFile ? pFile->GetValue() : u""_ustr );

                else

                    sfx2::SfxNotebookBar::CloseMethod( rBindings );

            }

        }

        break;

        default:

        break;

    }

}

} // end of namespace sd

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