/* -*- 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 <config_wasm_strip.h>

#include <ChartController.hxx>

#include <ResId.hxx>

#include "UndoGuard.hxx"

#include <DrawViewWrapper.hxx>

#include <ChartWindow.hxx>

#include <ChartModel.hxx>

#include <ChartView.hxx>

#include <TitleHelper.hxx>

#include <ObjectIdentifier.hxx>

#include <ControllerLockGuard.hxx>

#include <comphelper/diagnose_ex.hxx>

#if !ENABLE_WASM_STRIP_ACCESSIBILITY

#include <AccessibleTextHelper.hxx>

#endif

#include <strings.hrc>

#include <chartview/DrawModelWrapper.hxx>

#include <osl/diagnose.h>

#include <svx/svdoutl.hxx>

#include <svx/svxdlg.hxx>

#include <svx/svxids.hrc>

#include <editeng/editids.hrc>

#include <vcl/svapp.hxx>

#include <com/sun/star/beans/XPropertySet.hpp>

#include <com/sun/star/beans/XPropertySetInfo.hpp>

#include <com/sun/star/text/XTextCursor.hpp>

#include <com/sun/star/chart2/FormattedString.hpp>

#include <svl/stritem.hxx>

#include <editeng/fontitem.hxx>

#include <editeng/section.hxx>

#include <memory>

namespace chart

{

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

void ChartController::executeDispatch_EditText( const Point* pMousePixel )

{

    StartTextEdit( pMousePixel );

}

void ChartController::StartTextEdit( const Point* pMousePixel )

{

    //the first marked object will be edited

    SolarMutexGuard aGuard;

    SdrObject* pTextObj = m_pDrawViewWrapper->getTextEditObject();

    if(!pTextObj)

        return;

    OSL_PRECOND(!m_pTextActionUndoGuard,

                "ChartController::StartTextEdit: already have a TextUndoGuard!?");

    m_pTextActionUndoGuard.reset( new UndoGuard(

        SchResId( STR_ACTION_EDIT_TEXT ), m_xUndoManager ) );

    SdrOutliner* pOutliner = m_pDrawViewWrapper->getOutliner();

    //#i77362 change notification for changes on additional shapes are missing

    if( m_xChartView.is() )

        m_xChartView->setPropertyValue( u"SdrViewIsInEditMode"_ustr, uno::Any(true) );

    auto pChartWindow(GetChartWindow());

    bool bEdit = m_pDrawViewWrapper->SdrBeginTextEdit( pTextObj

                    , m_pDrawViewWrapper->GetPageView()

                    , pChartWindow

                    , false //bIsNewObj

                    , pOutliner

                    , nullptr //pOutlinerView

                    , true //bDontDeleteOutliner

                    , true //bOnlyOneView

                    );

    if(!bEdit)

        return;

    m_pDrawViewWrapper->SetEditMode();

    // #i12587# support for shapes in chart

    if ( pMousePixel )

    {

        OutlinerView* pOutlinerView = m_pDrawViewWrapper->GetTextEditOutlinerView();

        if ( pOutlinerView )

        {

            MouseEvent aEditEvt( *pMousePixel, 1, MouseEventModifiers::SYNTHETIC, MOUSE_LEFT, 0 );

            pOutlinerView->MouseButtonDown( aEditEvt );

            pOutlinerView->MouseButtonUp( aEditEvt );

        }

    }

    if (pChartWindow)

    {

        //we invalidate the outliner region because the outliner has some

        //paint problems (some characters are painted twice a little bit shifted)

        pChartWindow->Invalidate( m_pDrawViewWrapper->GetMarkedObjBoundRect() );

    }

}

bool ChartController::EndTextEdit()

{

    m_pDrawViewWrapper->SdrEndTextEdit();

    //#i77362 change notification for changes on additional shapes are missing

    if( m_xChartView.is() )

        m_xChartView->setPropertyValue( u"SdrViewIsInEditMode"_ustr, uno::Any(false) );

    SdrObject* pTextObject = m_pDrawViewWrapper->getTextEditObject();

    if(!pTextObject)

        return false;

    OutlinerParaObject* pParaObj = pTextObject->GetOutlinerParaObject();

    if( !pParaObj )

        return true;

    OUString aObjectCID = m_aSelection.getSelectedCID();

    if ( !aObjectCID.isEmpty() )

    {

        uno::Reference< beans::XPropertySet > xPropSet =

            ObjectIdentifier::getObjectPropertySet( aObjectCID, getChartModel() );

        // lock controllers till end of block

        ControllerLockGuardUNO aCLGuard( getChartModel() );

        uno::Sequence< uno::Reference< chart2::XFormattedString > > aNewFormattedTitle =

            GetFormattedTitle(pParaObj->GetTextObject(), pTextObject->getUnoShape());

        Title* pTitle = dynamic_cast<Title*>(xPropSet.get());

        TitleHelper::setFormattedString(pTitle, aNewFormattedTitle);

        OSL_ENSURE(m_pTextActionUndoGuard, "ChartController::EndTextEdit: no TextUndoGuard!");

        if (m_pTextActionUndoGuard)

            m_pTextActionUndoGuard->commit();

    }

    m_pTextActionUndoGuard.reset();

    return true;

}

uno::Sequence< uno::Reference< chart2::XFormattedString > > ChartController::GetFormattedTitle(

    const EditTextObject& aEdit, const uno::Reference< drawing::XShape >& xShape )

{

    std::vector < uno::Reference< chart2::XFormattedString > > aNewStrings;

    if (!xShape.is())

        return comphelper::containerToSequence(aNewStrings);

    uno::Reference< text::XText > xText(xShape, uno::UNO_QUERY);

    if (!xText.is())

        return comphelper::containerToSequence(aNewStrings);

    uno::Reference< text::XTextCursor > xSelectionCursor(xText->createTextCursor());

    if (!xSelectionCursor.is())

        return comphelper::containerToSequence(aNewStrings);

    xSelectionCursor->gotoStart(false);

    std::vector<editeng::Section> aSecAttrs;

    aEdit.GetAllSections(aSecAttrs);

    for (editeng::Section const& rSection : aSecAttrs)

    {

        if (!xSelectionCursor->isCollapsed())

            xSelectionCursor->collapseToEnd();

        xSelectionCursor->goRight(rSection.mnEnd - rSection.mnStart, true);

        OUString aNewString = xSelectionCursor->getString();

        bool bNextPara = (aEdit.GetParagraphCount() > 1 && rSection.mnParagraph != aEdit.GetParagraphCount() - 1 &&

            aEdit.GetTextLen(rSection.mnParagraph) <= rSection.mnEnd);

        uno::Reference< chart2::XFormattedString2 > xFmtStr = chart2::FormattedString::create(m_xCC);

        if (bNextPara)

            aNewString += OUStringChar('\n');

        xFmtStr->setString(aNewString);

        aNewStrings.emplace_back(xFmtStr);

        uno::Reference< beans::XPropertySetInfo > xInfo = xFmtStr->getPropertySetInfo();

        uno::Reference< beans::XPropertySet > xSelectionProp(xSelectionCursor, uno::UNO_QUERY);

        try

        {

            for (const beans::Property& rProp : xSelectionProp->getPropertySetInfo()->getProperties())

            {

                if (xInfo.is() && xInfo->hasPropertyByName(rProp.Name))

                {

                    const uno::Any aValue = xSelectionProp->getPropertyValue(rProp.Name);

                    xFmtStr->setPropertyValue(rProp.Name, aValue);

                }

            }

        }

        catch ( const uno::Exception& )

        {

            DBG_UNHANDLED_EXCEPTION("chart2");

            aNewStrings.clear();

        }

        if (bNextPara)

            xSelectionCursor->goRight(1, false); // next paragraph

    }

    return comphelper::containerToSequence(aNewStrings);

}

void ChartController::executeDispatch_InsertSpecialCharacter()

{

    SolarMutexGuard aGuard;

    if( !m_pDrawViewWrapper)

    {

        OSL_ENSURE( m_pDrawViewWrapper, "No DrawViewWrapper for ChartController" );

        return;

    }

    if( !m_pDrawViewWrapper->IsTextEdit() )

        StartTextEdit();

    SvxAbstractDialogFactory * pFact = SvxAbstractDialogFactory::Create();

    SfxAllItemSet aSet( m_pDrawModelWrapper->GetItemPool() );

    aSet.Put( SfxBoolItem( FN_PARAM_1, false ) );

    //set fixed current font

    aSet.Put( SfxBoolItem( FN_PARAM_2, true ) ); //maybe not necessary in future

    vcl::Font aCurFont = m_pDrawViewWrapper->getOutliner()->GetRefDevice()->GetFont();

    aSet.Put( SvxFontItem( aCurFont.GetFamilyTypeMaybeAskConfig(), aCurFont.GetFamilyName(), aCurFont.GetStyleName(), aCurFont.GetPitchMaybeAskConfig(), aCurFont.GetCharSet(), SID_ATTR_CHAR_FONT ) );

    VclPtr<SfxAbstractDialog> pDlg(pFact->CreateCharMapDialog(GetChartFrame(), aSet, nullptr));

    pDlg->StartExecuteAsync(

        [this, pDlg] (sal_Int32 nResult)->void

        {

            if (nResult == RET_OK)

            {

                const SfxItemSet* pSet = pDlg->GetOutputItemSet();

                OUString aString;

                if (pSet)

                    if (const SfxStringItem* pCharMapItem = pSet->GetItemIfSet(SID_CHARMAP))

                        aString = pCharMapItem->GetValue();

                OutlinerView* pOutlinerView = m_pDrawViewWrapper->GetTextEditOutlinerView();

                SdrOutliner*  pOutliner = m_pDrawViewWrapper->getOutliner();

                if(pOutliner && pOutlinerView)

                {

                    // insert string to outliner

                    // prevent flicker

                    pOutlinerView->HideCursor();

                    pOutliner->SetUpdateLayout(false);

                    // delete current selection by inserting empty String, so current

                    // attributes become unique (sel. has to be erased anyway)

                    pOutlinerView->InsertText(OUString());

                    pOutlinerView->InsertText(aString, true);

                    ESelection aSel = pOutlinerView->GetSelection();

                    aSel.CollapseToEnd();

                    pOutlinerView->SetSelection(aSel);

                    // show changes

                    pOutliner->SetUpdateLayout(true);

                    pOutlinerView->ShowCursor();

                }

            }

            pDlg->disposeOnce();

        }

    );

}

rtl::Reference< ::chart::AccessibleTextHelper >

    ChartController::createAccessibleTextContext()

{

#if !ENABLE_WASM_STRIP_ACCESSIBILITY

    return new AccessibleTextHelper( m_pDrawViewWrapper.get() );

#else

    return {};

#endif

}

} //namespace chart

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