/* -*- 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 <eventuno.hxx>

#include <miscuno.hxx>

#include <docsh.hxx>

#include <sheetevents.hxx>

#include <unonames.hxx>

#include <comphelper/propertysequence.hxx>

#include <vcl/svapp.hxx>

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

SC_SIMPLE_SERVICE_INFO( ScSheetEventsObj, u"ScSheetEventsObj"_ustr, u"com.sun.star.document.Events"_ustr )

ScSheetEventsObj::ScSheetEventsObj(ScDocShell* pDocSh, SCTAB nT) :

    mpDocShell( pDocSh ),

    mnTab( nT )

{

    mpDocShell->GetDocument().AddUnoObject(*this);

}

ScSheetEventsObj::~ScSheetEventsObj()

{

    SolarMutexGuard g;

    if (mpDocShell)

        mpDocShell->GetDocument().RemoveUnoObject(*this);

}

void ScSheetEventsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )

{

    //! reference update

    if ( rHint.GetId() == SfxHintId::Dying )

    {

        mpDocShell = nullptr;

    }

}

static ScSheetEventId lcl_GetEventFromName( std::u16string_view aName )

{

    for (sal_Int32 nEvent=0; nEvent<static_cast<sal_Int32>(ScSheetEventId::COUNT); ++nEvent)

        if ( aName == ScSheetEvents::GetEventName(static_cast<ScSheetEventId>(nEvent)) )

            return static_cast<ScSheetEventId>(nEvent);

    return ScSheetEventId::NOTFOUND;      // not found

}

// XNameReplace

void SAL_CALL ScSheetEventsObj::replaceByName( const OUString& aName, const uno::Any& aElement )

{

    SolarMutexGuard aGuard;

    if (!mpDocShell)

        throw uno::RuntimeException();

    ScSheetEventId nEvent = lcl_GetEventFromName(aName);

    if (nEvent == ScSheetEventId::NOTFOUND)

        throw container::NoSuchElementException();

    std::unique_ptr<ScSheetEvents> pNewEvents(new ScSheetEvents);

    const ScSheetEvents* pOldEvents = mpDocShell->GetDocument().GetSheetEvents(mnTab);

    if (pOldEvents)

        *pNewEvents = *pOldEvents;

    OUString aScript;

    if ( aElement.hasValue() )      // empty Any -> reset event

    {

        uno::Sequence<beans::PropertyValue> aPropSeq;

        if ( aElement >>= aPropSeq )

        {

            for (const beans::PropertyValue& rProp : aPropSeq)

            {

                if ( rProp.Name == SC_UNO_EVENTTYPE )

                {

                    OUString aEventType;

                    if ( rProp.Value >>= aEventType )

                    {

                        // only "Script" is supported

                        if ( aEventType != SC_UNO_SCRIPT )

                            throw lang::IllegalArgumentException();

                    }

                }

                else if ( rProp.Name == SC_UNO_SCRIPT )

                    rProp.Value >>= aScript;

            }

        }

    }

    if (!aScript.isEmpty())

        pNewEvents->SetScript( nEvent, &aScript );

    else

        pNewEvents->SetScript( nEvent, nullptr );       // reset

    mpDocShell->GetDocument().SetSheetEvents( mnTab, std::move(pNewEvents) );

    mpDocShell->SetDocumentModified();

}

// XNameAccess

uno::Any SAL_CALL ScSheetEventsObj::getByName( const OUString& aName )

{

    SolarMutexGuard aGuard;

    ScSheetEventId nEvent = lcl_GetEventFromName(aName);

    if (nEvent == ScSheetEventId::NOTFOUND)

        throw container::NoSuchElementException();

    const OUString* pScript = nullptr;

    if (mpDocShell)

    {

        const ScSheetEvents* pEvents = mpDocShell->GetDocument().GetSheetEvents(mnTab);

        if (pEvents)

            pScript = pEvents->GetScript(nEvent);

    }

    uno::Any aRet;

    if (pScript)

    {

        uno::Sequence<beans::PropertyValue> aPropSeq( comphelper::InitPropertySequence({

                { "EventType", uno::Any( u"Script"_ustr ) },

                { "Script", uno::Any( *pScript ) }

            }));

        aRet <<= aPropSeq;

    }

    // empty Any if nothing was set

    return aRet;

}

uno::Sequence<OUString> SAL_CALL ScSheetEventsObj::getElementNames()

{

    auto aNames = uno::Sequence<OUString>(int(ScSheetEventId::COUNT));

    auto pNames = aNames.getArray();

    for (sal_Int32 nEvent=0; nEvent<int(ScSheetEventId::COUNT); ++nEvent)

        pNames[nEvent] = ScSheetEvents::GetEventName(static_cast<ScSheetEventId>(nEvent));

    return aNames;

}

sal_Bool SAL_CALL ScSheetEventsObj::hasByName( const OUString& aName )

{

    ScSheetEventId nEvent = lcl_GetEventFromName(aName);

    return (nEvent != ScSheetEventId::NOTFOUND);

}

// XElementAccess

uno::Type SAL_CALL ScSheetEventsObj::getElementType()

{

    return cppu::UnoType<uno::Sequence<beans::PropertyValue>>::get();

}

sal_Bool SAL_CALL ScSheetEventsObj::hasElements()

{

    SolarMutexGuard aGuard;

    if (mpDocShell)

        return true;

    return false;

}

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