/* -*- 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 <SpellDialogChildWindow.hxx>

#include <svx/svxids.hrc>

#include <ViewShell.hxx>

#include <ViewShellBase.hxx>

#include <DrawViewShell.hxx>

#include <OutlineViewShell.hxx>

#include <Outliner.hxx>

#include <drawdoc.hxx>

namespace sd {

SFX_IMPL_CHILDWINDOW_WITHID(SpellDialogChildWindow, SID_SPELL_DIALOG)

SpellDialogChildWindow::SpellDialogChildWindow (

    vcl::Window* _pParent,

    sal_uInt16 nId,

    SfxBindings* pBindings,

    SAL_UNUSED_PARAMETER SfxChildWinInfo* /*pInfo*/)

    : svx::SpellDialogChildWindow (_pParent, nId, pBindings),

      mpSdOutliner (nullptr),

      mbOwnOutliner (false)

{

    ProvideOutliner();

}

SpellDialogChildWindow::~SpellDialogChildWindow()

{

    EndSpellingAndClearOutliner();

}

SfxChildWinInfo SpellDialogChildWindow::GetInfo() const

{

    return svx::SpellDialogChildWindow::GetInfo();

}

void SpellDialogChildWindow::InvalidateSpellDialog()

{

    svx::SpellDialogChildWindow::InvalidateSpellDialog();

}

svx::SpellPortions SpellDialogChildWindow::GetNextWrongSentence( bool /*bRecheck*/ )

{

    svx::SpellPortions aResult;

    if (mpSdOutliner != nullptr)

    {

        ProvideOutliner();

        aResult = mpSdOutliner->GetNextSpellSentence();

    }

    return aResult;

}

void SpellDialogChildWindow::ApplyChangedSentence (

    const svx::SpellPortions& rChanged, bool bRecheck )

{

    if (mpSdOutliner != nullptr)

    {

        OutlinerView* pOutlinerView = mpSdOutliner->GetView(0);

        if (pOutlinerView != nullptr)

            mpSdOutliner->ApplyChangedSentence (

                pOutlinerView->GetEditView(),

                rChanged, bRecheck);

    }

}

void SpellDialogChildWindow::GetFocus()

{

    // In order to detect a cursor movement we could compare the

    // currently selected text shape with the one that was selected

    // when LoseFocus() was called the last time.

    // For the time being we instead rely on the DetectChange() method

    // in the SdOutliner class.

}

void SpellDialogChildWindow::LoseFocus()

{

}

void SpellDialogChildWindow::EndSpellingAndClearOutliner()

{

    if (!mpSdOutliner)

        return;

    EndListening(mpSdOutliner->GetDoc());

    mpSdOutliner->EndSpelling();

    if (mbOwnOutliner)

        delete mpSdOutliner;

    mpSdOutliner = nullptr;

    mbOwnOutliner = false;

}

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

{

    if (rHint.GetId() != SfxHintId::ThisIsAnSdrHint)

        return;

    const SdrHint* pSdrHint = static_cast<const SdrHint*>(&rHint);

    if (SdrHintKind::ModelCleared == pSdrHint->GetKind())

    {

        EndSpellingAndClearOutliner();

    }

}

void SpellDialogChildWindow::ProvideOutliner()

{

    ViewShellBase* pViewShellBase = dynamic_cast<ViewShellBase*>( SfxViewShell::Current() );

    if (pViewShellBase == nullptr)

        return;

    ViewShell* pViewShell = pViewShellBase->GetMainViewShell().get();

    // If there already exists an outliner that has been created

    // for another view shell then destroy it first.

    if (mpSdOutliner != nullptr)

        if(( dynamic_cast< const DrawViewShell *>( pViewShell ) !=  nullptr && ! mbOwnOutliner)

            || (dynamic_cast< const OutlineViewShell *>( pViewShell ) !=  nullptr && mbOwnOutliner))

        {

            EndSpellingAndClearOutliner();

        }

    // Now create/get an outliner if none is present.

    if (mpSdOutliner != nullptr)

        return;

    if( dynamic_cast< const DrawViewShell *>( pViewShell ) !=  nullptr)

    {

        // We need an outliner for the spell check so we have

        // to create one.

        mbOwnOutliner = true;

        SdDrawDocument *pDoc = pViewShell->GetDoc();

        mpSdOutliner = new SdOutliner(*pDoc, OutlinerMode::TextObject);

        StartListening(*pDoc);

    }

    else if( dynamic_cast< const OutlineViewShell *>( pViewShell ) !=  nullptr)

    {

        // An outline view is already visible. The SdOutliner

        // will use it instead of creating its own.

        mbOwnOutliner = false;

        SdDrawDocument *pDoc = pViewShell->GetDoc();

        mpSdOutliner = pDoc->GetOutliner();

        StartListening(*pDoc);

    }

    // Initialize spelling.

    if (mpSdOutliner != nullptr)

    {

        mpSdOutliner->PrepareSpelling();

        mpSdOutliner->StartSpelling();

    }

}

} // end of namespace ::sd

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