/* -*- 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 <cmdid.h>

#include <svx/svdview.hxx>

#include <svl/eitem.hxx>

#include <svl/whiter.hxx>

#include <svx/svdopath.hxx>

#include <vcl/EnumContext.hxx>

#include <sfx2/request.hxx>

#include <sfx2/dispatch.hxx>

#include <sfx2/objface.hxx>

#include <sfx2/viewfrm.hxx>

#include <wrtsh.hxx>

#include <view.hxx>

#include <edtwin.hxx>

#include <drawbase.hxx>

#include <beziersh.hxx>

#define ShellClass_SwBezierShell

#include <sfx2/msg.hxx>

#include <swslots.hxx>

SFX_IMPL_INTERFACE(SwBezierShell, SwBaseShell)

void SwBezierShell::InitInterface_Impl()

{

    GetStaticInterface()->RegisterPopupMenu(u"draw"_ustr);

    GetStaticInterface()->RegisterObjectBar(SFX_OBJECTBAR_OBJECT, SfxVisibilityFlags::Invisible, ToolbarId::Bezier_Toolbox_Sw);

}

SwBezierShell::SwBezierShell(SwView &_rView):

    SwBaseShell( _rView )

{

    SetName(u"Bezier"_ustr);

    SwWrtShell *pSh = &GetShell();

    SdrView*    pSdrView = pSh->GetDrawView();

    pSdrView->SetEliminatePolyPointLimitAngle(1500_deg100);

    SfxShell::SetContextName(vcl::EnumContext::GetContextName(vcl::EnumContext::Context::Draw));

}

void SwBezierShell::Execute(SfxRequest const &rReq)

{

    SwWrtShell *pSh = &GetShell();

    SdrView*    pSdrView = pSh->GetDrawView();

    const SfxItemSet *pArgs = rReq.GetArgs();

    sal_uInt16      nSlotId = rReq.GetSlot();

    bool bChanged = pSdrView->GetModel().IsChanged();

    pSdrView->GetModel().SetChanged(false);

    const SfxPoolItem* pItem;

    if(pArgs)

        pArgs->GetItemState(nSlotId, false, &pItem);

    switch (nSlotId)

    {

        case SID_DELETE:

        case FN_BACKSPACE:

            if (pSh->GetSelectedObjCount())

            {

                if (pSdrView->HasMarkedPoints())

                    pSh->GetView().GetViewFrame().GetDispatcher()->Execute(SID_BEZIER_DELETE);

                else

                {

                    pSh->DelSelectedObj();

                    if (pSh->IsSelFrameMode())

                    {

                        pSh->LeaveSelFrameMode();

                        pSh->NoEdit();

                    }

                    GetView().AttrChangedNotify(nullptr); // Shell change if applicable...

                }

            }

            break;

        case FN_ESCAPE:

            if (pSdrView->HasMarkedPoints())

                pSdrView->UnmarkAllPoints();

            else

            {

                if ( pSh->IsDrawCreate() )

                {

                    GetView().GetDrawFuncPtr()->BreakCreate();

                    GetView().AttrChangedNotify(nullptr); // Shell change if applicable...

                }

                else if ( pSh->HasSelection() || GetView().IsDrawMode() )

                {

                    GetView().LeaveDrawCreate();

                    pSh->EnterStdMode();

                    GetView().AttrChangedNotify(nullptr); // Shell change if applicable...

                }

            }

            break;

        case SID_BEZIER_MOVE:

        case SID_BEZIER_INSERT:

            {

                GetView().GetEditWin().SetBezierMode(nSlotId);

                static const sal_uInt16 aInva[] =

                                {

                                    SID_BEZIER_INSERT,

                                    SID_BEZIER_MOVE,

                                    0

                                };

                GetView().GetViewFrame().GetBindings().Invalidate(aInva);

            }

            break;

        case SID_BEZIER_DELETE:

        case SID_BEZIER_CUTLINE:

        case SID_BEZIER_CONVERT:

        case SID_BEZIER_EDGE:

        case SID_BEZIER_SMOOTH:

        case SID_BEZIER_SYMMTR:

        case SID_BEZIER_CLOSE:

        case SID_BEZIER_ELIMINATE_POINTS:

        {

            const SdrMarkList& rMarkList = pSdrView->GetMarkedObjectList();

            if (rMarkList.GetMark(0) && !pSdrView->IsAction())

            {

                switch (nSlotId)

                {

                    case SID_BEZIER_DELETE:

                        pSdrView->DeleteMarkedPoints();

                        break;

                    case SID_BEZIER_CUTLINE:

                        {

                            pSdrView->RipUpAtMarkedPoints();

                            pSh->CheckUnboundObjects();

                        }

                        break;

                    case SID_BEZIER_CONVERT:

                    {

                        pSdrView->SetMarkedSegmentsKind(SdrPathSegmentKind::Toggle);

                        break;

                    }

                    case SID_BEZIER_EDGE:

                    case SID_BEZIER_SMOOTH:

                    case SID_BEZIER_SYMMTR:

                    {

                        SdrPathSmoothKind eKind = SdrPathSmoothKind::Asymmetric;

                        switch (nSlotId)

                        {

                            case SID_BEZIER_EDGE:   eKind = SdrPathSmoothKind::Angular; break;

                            case SID_BEZIER_SMOOTH: eKind = SdrPathSmoothKind::Asymmetric; break;

                            case SID_BEZIER_SYMMTR: eKind = SdrPathSmoothKind::Symmetric; break;

                        }

                        SdrPathSmoothKind eSmooth = pSdrView->GetMarkedPointsSmooth();

                        if (eKind != eSmooth)

                        {

                            pSdrView->SetMarkedPointsSmooth(eKind);

                            static const sal_uInt16 aInva[] =

                                            {

                                                SID_BEZIER_SMOOTH,

                                                SID_BEZIER_EDGE,

                                                SID_BEZIER_SYMMTR,

                                                0

                                            };

                            GetView().GetViewFrame().GetBindings().Invalidate(aInva);

                        }

                        break;

                    }

                    case SID_BEZIER_CLOSE:

                    {

                        SdrPathObj* pPathObj = static_cast<SdrPathObj*>( rMarkList.GetMark(0)->GetMarkedSdrObj() );

                        pSdrView->UnmarkAllPoints();

                        // Size aDist(GetView().GetEditWin().PixelToLogic(Size(8,8)));

                        pPathObj->ToggleClosed(); // aDist.Width());

                        break;

                    }

                    case SID_BEZIER_ELIMINATE_POINTS:

                        pSdrView->SetEliminatePolyPoints(!pSdrView->IsEliminatePolyPoints());

                        break;

                }

            }

        }

        break;

        default:

            break;

    }

    if (pSdrView->GetModel().IsChanged())

        GetShell().SetModified();

    else if (bChanged)

        pSdrView->GetModel().SetChanged();

}

void SwBezierShell::GetState(SfxItemSet &rSet)

{

    SdrView* pSdrView = GetShell().GetDrawView();

    SfxWhichIter aIter( rSet );

    sal_uInt16 nWhich = aIter.FirstWhich();

    while( nWhich )

    {

        switch( nWhich )

        {

            case SID_BEZIER_MOVE:

            case SID_BEZIER_INSERT:

            {

                sal_uInt16 nEditMode = GetView().GetEditWin().GetBezierMode();

                rSet.Put(SfxBoolItem(nWhich, nEditMode == nWhich));

            }

            break;

            case SID_BEZIER_CUTLINE:

                if (!pSdrView->IsRipUpAtMarkedPointsPossible())

                {

                    rSet.DisableItem(SID_BEZIER_CUTLINE);

                }

                break;

            case SID_BEZIER_DELETE:

                if (!pSdrView->IsDeleteMarkedPointsPossible())

                {

                    rSet.DisableItem(SID_BEZIER_DELETE);

                }

                break;

            case SID_BEZIER_CONVERT:

                if (!pSdrView->IsSetMarkedSegmentsKindPossible())

                {

                    rSet.DisableItem(SID_BEZIER_CONVERT);

                }

                else

                {

                    SdrPathSegmentKind eSegm = pSdrView->GetMarkedSegmentsKind();

                    switch (eSegm)

                    {

                        case SdrPathSegmentKind::DontCare: rSet.InvalidateItem(SID_BEZIER_CONVERT); break;

                        case SdrPathSegmentKind::Line    : rSet.Put(SfxBoolItem(SID_BEZIER_CONVERT,false)); break; // Button pressed = curve

                        case SdrPathSegmentKind::Curve   : rSet.Put(SfxBoolItem(SID_BEZIER_CONVERT,true));  break;

                        default:; //prevent warning

                    }

                }

                break;

            case SID_BEZIER_EDGE:

            case SID_BEZIER_SMOOTH:

            case SID_BEZIER_SYMMTR:

                if (!pSdrView->IsSetMarkedPointsSmoothPossible())

                    rSet.DisableItem(nWhich);

                else

                {

                    SdrPathSmoothKind eSmooth = pSdrView->GetMarkedPointsSmooth();

                    bool bEnable = false;

                    switch (eSmooth)

                    {

                        case SdrPathSmoothKind::DontCare  :

                            break;

                        case SdrPathSmoothKind::Angular   :

                            bEnable = nWhich == SID_BEZIER_EDGE;

                            break;

                        case SdrPathSmoothKind::Asymmetric:

                            bEnable = nWhich == SID_BEZIER_SMOOTH;

                            break;

                        case SdrPathSmoothKind::Symmetric :

                            bEnable = nWhich == SID_BEZIER_SYMMTR;

                            break;

                    }

                    rSet.Put(SfxBoolItem(nWhich, bEnable));

                }

                break;

            case SID_BEZIER_CLOSE:

                if (!pSdrView->IsOpenCloseMarkedObjectsPossible())

                {

                    rSet.DisableItem(SID_BEZIER_CLOSE);

                }

                else

                {

                    SdrObjClosedKind eClose = pSdrView->GetMarkedObjectsClosedState();

                    switch (eClose)

                    {

                        case SdrObjClosedKind::DontCare: rSet.InvalidateItem(SID_BEZIER_CLOSE); break;

                        case SdrObjClosedKind::Open    : rSet.Put(SfxBoolItem(SID_BEZIER_CLOSE,false)); break;

                        case SdrObjClosedKind::Closed  : rSet.Put(SfxBoolItem(SID_BEZIER_CLOSE,true)); break;

                        default:; //prevent warning

                    }

                }

                break;

            case SID_BEZIER_ELIMINATE_POINTS:

                rSet.Put(SfxBoolItem(SID_BEZIER_ELIMINATE_POINTS, pSdrView->IsEliminatePolyPoints()));

                break;

            default:

                break;

        }

        nWhich = aIter.NextWhich();

    }

}

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