/* -*- 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 <sal/config.h>

#include <sdr/properties/textproperties.hxx>

#include <svl/itemset.hxx>

#include <svl/style.hxx>

#include <svl/itemiter.hxx>

#include <svl/hint.hxx>

#include <svx/svddef.hxx>

#include <svx/svdotext.hxx>

#include <svx/svdoutl.hxx>

#include <svx/sdmetitm.hxx>

#include <svx/sdtditm.hxx>

#include <editeng/writingmodeitem.hxx>

#include <svx/svdmodel.hxx>

#include <editeng/eeitem.hxx>

#include <editeng/outlobj.hxx>

#include <svx/xfillit0.hxx>

#include <svx/xflclit.hxx>

#include <editeng/adjustitem.hxx>

#include <svx/svdetc.hxx>

#include <editeng/editeng.hxx>

#include <editeng/flditem.hxx>

#include <svx/xlineit0.hxx>

#include <svx/xlnwtit.hxx>

#include <tools/debug.hxx>

using namespace com::sun::star;

namespace sdr::properties

{

        SfxItemSet TextProperties::CreateObjectSpecificItemSet(SfxItemPool& rPool)

        {

            return SfxItemSet(rPool,

                // range from SdrAttrObj

                svl::Items<SDRATTR_START, SDRATTR_SHADOW_LAST,

                SDRATTR_MISC_FIRST, SDRATTR_MISC_LAST,

                SDRATTR_TEXTDIRECTION, SDRATTR_TEXTDIRECTION,

                SDRATTR_GLOW_FIRST, SDRATTR_GLOW_TEXT_LAST,

                SDRATTR_TEXTCOLUMNS_FIRST, SDRATTR_TEXTCOLUMNS_LAST,

                // range from SdrTextObj

                EE_ITEMS_START, EE_ITEMS_END>);

        }

        TextProperties::TextProperties(SdrObject& rObj)

        :   AttributeProperties(rObj),

            maVersion(0)

        {

        }

        TextProperties::TextProperties(const TextProperties& rProps, SdrObject& rObj)

        :   AttributeProperties(rProps, rObj),

            maVersion(rProps.getVersion())

        {

        }

        TextProperties::~TextProperties()

        {

        }

        std::unique_ptr<BaseProperties> TextProperties::Clone(SdrObject& rObj) const

        {

            return std::unique_ptr<BaseProperties>(new TextProperties(*this, rObj));

        }

        void TextProperties::ItemSetChanged(std::span< const SfxPoolItem* const > aChangedItems, sal_uInt16 nDeletedWhich, bool bAdjustTextFrameWidthAndHeight)

        {

            SdrTextObj& rObj = static_cast<SdrTextObj&>(GetSdrObject());

            // #i101556# ItemSet has changed -> new version

            maVersion++;

            if (auto pOutliner = rObj.GetTextEditOutliner())

            {

                pOutliner->SetTextColumns(rObj.GetTextColumnsNumber(),

                                          rObj.GetTextColumnsSpacing());

            }

            const svx::ITextProvider& rTextProvider(getTextProvider());

            sal_Int32 nText = rTextProvider.getTextCount();

            while (nText--)

            {

                SdrText* pText = rTextProvider.getText( nText );

                OutlinerParaObject* pParaObj = pText ? pText->GetOutlinerParaObject() : nullptr;

                if(pParaObj)

                {

                    const bool bTextEdit = rObj.IsTextEditActive() && (rObj.getActiveText() == pText);

                    // handle outliner attributes

                    GetObjectItemSet();

                    Outliner* pOutliner = rObj.GetTextEditOutliner();

                    if(!bTextEdit)

                    {

                        pOutliner = &rObj.ImpGetDrawOutliner();

                        pOutliner->SetText(*pParaObj);

                    }

                    sal_Int32 nParaCount(pOutliner->GetParagraphCount());

                    for(sal_Int32 nPara = 0; nPara < nParaCount; nPara++)

                    {

                        SfxItemSet aSet(pOutliner->GetParaAttribs(nPara));

                        for (const SfxPoolItem* pItem : aChangedItems)

                            aSet.Put(*pItem);

                        if (nDeletedWhich)

                            aSet.ClearItem(nDeletedWhich);

                        pOutliner->SetParaAttribs(nPara, aSet);

                    }

                    if(!bTextEdit)

                    {

                        if(nParaCount)

                        {

                            // force ItemSet

                            GetObjectItemSet();

                            moItemSet->Put(pOutliner->GetParaAttribs(0));

                        }

                        std::optional<OutlinerParaObject> pTemp = pOutliner->CreateParaObject(0, nParaCount);

                        pOutliner->Clear();

                        rObj.NbcSetOutlinerParaObjectForText(std::move(pTemp), pText, bAdjustTextFrameWidthAndHeight);

                    }

                }

            }

            // Extra-Repaint for radical layout changes (#43139#)

            for (const SfxPoolItem* pItem : aChangedItems)

                if (pItem->Which() == SDRATTR_TEXT_CONTOURFRAME)

                {

                    // Here only repaint wanted

                    rObj.ActionChanged();

                    //rObj.BroadcastObjectChange();

                    break;

                }

            // call parent

            AttributeProperties::ItemSetChanged(aChangedItems, nDeletedWhich, bAdjustTextFrameWidthAndHeight);

        }

        void TextProperties::ItemChange(const sal_uInt16 nWhich, const SfxPoolItem* pNewItem)

        {

            SdrTextObj& rObj = static_cast<SdrTextObj&>(GetSdrObject());

            // #i25616#

            sal_Int32 nOldLineWidth(0);

            if(XATTR_LINEWIDTH == nWhich && rObj.DoesSupportTextIndentingOnLineWidthChange())

            {

                nOldLineWidth = GetItem(XATTR_LINEWIDTH).GetValue();

            }

            if(pNewItem && (SDRATTR_TEXTDIRECTION == nWhich))

            {

                bool bVertical(css::text::WritingMode_TB_RL == static_cast<const SvxWritingModeItem*>(pNewItem)->GetValue());

                rObj.SetVerticalWriting(bVertical);

            }

            // #95501# reset to default

            if(!pNewItem && !nWhich && rObj.HasText() )

            {

                SdrOutliner& rOutliner = rObj.ImpGetDrawOutliner();

                const svx::ITextProvider& rTextProvider(getTextProvider());

                sal_Int32 nCount = rTextProvider.getTextCount();

                while (nCount--)

                {

                    SdrText* pText = rTextProvider.getText( nCount );

                    OutlinerParaObject* pParaObj = pText->GetOutlinerParaObject();

                    if( pParaObj )

                    {

                        rOutliner.SetText(*pParaObj);

                        sal_Int32 nParaCount(rOutliner.GetParagraphCount());

                        if(nParaCount)

                        {

                            auto aSelection = ESelection::All();

                            rOutliner.RemoveAttribs(aSelection, true, 0);

                            std::optional<OutlinerParaObject> pTemp = rOutliner.CreateParaObject(0, nParaCount);

                            rOutliner.Clear();

                            rObj.NbcSetOutlinerParaObjectForText( std::move(pTemp), pText );

                        }

                    }

                }

            }

            // call parent

            AttributeProperties::ItemChange( nWhich, pNewItem );

            // #i25616#

            if(!(XATTR_LINEWIDTH == nWhich && rObj.DoesSupportTextIndentingOnLineWidthChange()))

                return;

            const sal_Int32 nNewLineWidth(GetItem(XATTR_LINEWIDTH).GetValue());

            const sal_Int32 nDifference((nNewLineWidth - nOldLineWidth) / 2);

            if(!nDifference)

                return;

            const bool bLineVisible(drawing::LineStyle_NONE != GetItem(XATTR_LINESTYLE).GetValue());

            if(bLineVisible)

            {

                const sal_Int32 nLeftDist(GetItem(SDRATTR_TEXT_LEFTDIST).GetValue());

                const sal_Int32 nRightDist(GetItem(SDRATTR_TEXT_RIGHTDIST).GetValue());

                const sal_Int32 nUpperDist(GetItem(SDRATTR_TEXT_UPPERDIST).GetValue());

                const sal_Int32 nLowerDist(GetItem(SDRATTR_TEXT_LOWERDIST).GetValue());

                SetObjectItemDirect(makeSdrTextLeftDistItem(nLeftDist + nDifference));

                SetObjectItemDirect(makeSdrTextRightDistItem(nRightDist + nDifference));

                SetObjectItemDirect(makeSdrTextUpperDistItem(nUpperDist + nDifference));

                SetObjectItemDirect(makeSdrTextLowerDistItem(nLowerDist + nDifference));

            }

        }

        const svx::ITextProvider& TextProperties::getTextProvider() const

        {

            return static_cast<const SdrTextObj&>(GetSdrObject());

        }

        void TextProperties::SetStyleSheet(SfxStyleSheet* pNewStyleSheet, bool bDontRemoveHardAttr,

                bool bBroadcast, bool bAdjustTextFrameWidthAndHeight)

        {

            // call parent (always first thing to do, may create the SfxItemSet)

            AttributeProperties::SetStyleSheet(pNewStyleSheet, bDontRemoveHardAttr, bBroadcast, bAdjustTextFrameWidthAndHeight);

            // #i101556# StyleSheet has changed -> new version

            SdrTextObj& rObj = static_cast<SdrTextObj&>(GetSdrObject());

            maVersion++;

            if(!rObj.IsLinkedText() )

            {

                SdrOutliner& rOutliner = rObj.ImpGetDrawOutliner();

                const svx::ITextProvider& rTextProvider(getTextProvider());

                sal_Int32 nText = rTextProvider.getTextCount();

                while (nText--)

                {

                    SdrText* pText = rTextProvider.getText( nText );

                    OutlinerParaObject* pParaObj = pText ? pText->GetOutlinerParaObject() : nullptr;

                    if( !pParaObj )

                        continue;

                    // apply StyleSheet to all paragraphs

                    rOutliner.SetText(*pParaObj);

                    sal_Int32 nParaCount(rOutliner.GetParagraphCount());

                    if(nParaCount)

                    {

                        for(sal_Int32 nPara = 0; nPara < nParaCount; nPara++)

                        {

                            std::optional<SfxItemSet> pTempSet;

                            // since setting the stylesheet removes all para attributes

                            if(bDontRemoveHardAttr)

                            {

                                // we need to remember them if we want to keep them

                                pTempSet.emplace(rOutliner.GetParaAttribs(nPara));

                            }

                            if(GetStyleSheet())

                            {

                                if((SdrObjKind::OutlineText == rObj.GetTextKind()) && (SdrInventor::Default == rObj.GetObjInventor()))

                                {

                                    OUString aNewStyleSheetName(GetStyleSheet()->GetName());

                                    aNewStyleSheetName = aNewStyleSheetName.copy(0, aNewStyleSheetName.getLength() - 1);

                                    sal_Int16 nDepth = rOutliner.GetDepth(nPara);

                                    aNewStyleSheetName += OUString::number( nDepth <= 0 ? 1 : nDepth + 1);

                                    SfxStyleSheetBasePool* pStylePool(rObj.getSdrModelFromSdrObject().GetStyleSheetPool());

                                    SfxStyleSheet* pNewStyle = nullptr;

                                    if(pStylePool)

                                        pNewStyle = static_cast<SfxStyleSheet*>(pStylePool->Find(aNewStyleSheetName, GetStyleSheet()->GetFamily()));

                                    DBG_ASSERT( pNewStyle, "AutoStyleSheetName - Style not found!" );

                                    if(pNewStyle)

                                    {

                                        rOutliner.SetStyleSheet(nPara, pNewStyle);

                                    }

                                }

                                else

                                {

                                    rOutliner.SetStyleSheet(nPara, GetStyleSheet());

                                }

                            }

                            else

                            {

                                // remove StyleSheet

                                rOutliner.SetStyleSheet(nPara, nullptr);

                            }

                            if(bDontRemoveHardAttr)

                            {

                                if(pTempSet)

                                {

                                    // restore para attributes

                                    rOutliner.SetParaAttribs(nPara, *pTempSet);

                                }

                            }

                            else

                            {

                                if(pNewStyleSheet)

                                {

                                    // remove all hard paragraph attributes

                                    // which occur in StyleSheet, take care of

                                    // parents (!)

                                    for (SfxItemIter aIter( pNewStyleSheet->GetItemSet() ); !aIter.IsAtEnd(); aIter.Next())

                                    {

                                        const SfxPoolItem* pItem = aIter.GetCurItem();

                                        if(!IsInvalidItem(pItem))

                                        {

                                            sal_uInt16 nW(pItem->Which());

                                            if(nW >= EE_ITEMS_START && nW <= EE_ITEMS_END)

                                            {

                                                rOutliner.RemoveCharAttribs(nPara, nW);

                                            }

                                        }

                                    }

                                }

                            }

                        }

                        std::optional<OutlinerParaObject> pTemp = rOutliner.CreateParaObject(0, nParaCount);

                        rOutliner.Clear();

                        rObj.NbcSetOutlinerParaObjectForText(std::move(pTemp), pText, bAdjustTextFrameWidthAndHeight);

                    }

                }

            }

            if(rObj.IsTextFrame() && !rObj.getSdrModelFromSdrObject().isLocked() && bAdjustTextFrameWidthAndHeight)

                rObj.NbcAdjustTextFrameWidthAndHeight();

        }

        void TextProperties::ForceDefaultAttributes()

        {

            SdrTextObj& rObj = static_cast<SdrTextObj&>(GetSdrObject());

            if( rObj.GetObjInventor() == SdrInventor::Default )

            {

                const SdrObjKind nSdrObjKind = rObj.GetObjIdentifier();

                if( nSdrObjKind == SdrObjKind::TitleText || nSdrObjKind == SdrObjKind::OutlineText )

                    return; // no defaults for presentation objects

            }

            bool bTextFrame(rObj.IsTextFrame());

            if(bTextFrame)

            {

                moItemSet->Put(XLineStyleItem(drawing::LineStyle_NONE));

                moItemSet->Put(XFillColorItem(OUString(), COL_WHITE));

                moItemSet->Put(XFillStyleItem(drawing::FillStyle_NONE));

            }

            else

            {

                moItemSet->Put(SvxAdjustItem(SvxAdjust::Center, EE_PARA_JUST));

                moItemSet->Put(SdrTextHorzAdjustItem(SDRTEXTHORZADJUST_CENTER));

                moItemSet->Put(SdrTextVertAdjustItem(SDRTEXTVERTADJUST_CENTER));

            }

        }

        void TextProperties::ForceStyleToHardAttributes()

        {

            // #i61284# call parent first to get the hard ObjectItemSet

            AttributeProperties::ForceStyleToHardAttributes();

            // #i61284# push hard ObjectItemSet to OutlinerParaObject attributes

            // using existing functionality

            GetObjectItemSet(); // force ItemSet

            std::vector<const SfxPoolItem*> aChangedItems;

            { // own scope to get SfxItemIter aIter destroyed ASAP - it maybe detected

              // as reading source to the ItemSet when Items get changed below, but it

              // is no longer active/needed

                for (SfxItemIter aIter( *moItemSet ); !aIter.IsAtEnd(); aIter.Next())

                {

                    const SfxPoolItem* pItem = aIter.GetCurItem();

                    if(!IsInvalidItem(pItem))

                        aChangedItems.push_back(pItem);

                }

            }

            ItemSetChanged(aChangedItems, 0);

            // now the standard TextProperties stuff

            SdrTextObj& rObj = static_cast<SdrTextObj&>(GetSdrObject());

            if(rObj.IsTextEditActive() || rObj.IsLinkedText())

                return;

            std::unique_ptr<Outliner> pOutliner = SdrMakeOutliner(OutlinerMode::OutlineObject, rObj.getSdrModelFromSdrObject());

            const svx::ITextProvider& rTextProvider(getTextProvider());

            sal_Int32 nText = rTextProvider.getTextCount();

            while (nText--)

            {

                SdrText* pText = rTextProvider.getText( nText );

                OutlinerParaObject* pParaObj = pText ? pText->GetOutlinerParaObject() : nullptr;

                if( !pParaObj )

                    continue;

                pOutliner->SetText(*pParaObj);

                sal_Int32 nParaCount(pOutliner->GetParagraphCount());

                if(nParaCount)

                {

                    bool bBurnIn(false);

                    for(sal_Int32 nPara = 0; nPara < nParaCount; nPara++)

                    {

                        SfxStyleSheet* pSheet = pOutliner->GetStyleSheet(nPara);

                        if(pSheet)

                        {

                            SfxItemSet aParaSet(pOutliner->GetParaAttribs(nPara));

                            SfxItemSet aSet(*aParaSet.GetPool());

                            aSet.Put(pSheet->GetItemSet());

                            /** the next code handles a special case for paragraphs that contain a

                                url field. The color for URL fields is either the system color for

                                urls or the char color attribute that formats the portion in which the

                                url field is contained.

                                When we set a char color attribute to the paragraphs item set from the

                                styles item set, we would have this char color attribute as an attribute

                                that is spanned over the complete paragraph after xml import due to some

                                problems in the xml import (using a XCursor on import so it does not know

                                the paragraphs and can't set char attributes to paragraphs ).

                                To avoid this, as soon as we try to set a char color attribute from the style

                                we

                                1. check if we have at least one url field in this paragraph

                                2. if we found at least one url field, we span the char color attribute over

                                all portions that are not url fields and remove the char color attribute

                                from the paragraphs item set

                            */

                            bool bHasURL(false);

                            if(aSet.GetItemState(EE_CHAR_COLOR) == SfxItemState::SET)

                            {

                                EditEngine* pEditEngine = const_cast<EditEngine*>(&(pOutliner->GetEditEngine()));

                                std::vector<EECharAttrib> aAttribs;

                                pEditEngine->GetCharAttribs(nPara, aAttribs);

                                for(const auto& rAttrib : aAttribs)

                                {

                                    if(rAttrib.pAttr && EE_FEATURE_FIELD == rAttrib.pAttr->Which())

                                    {

                                        const SvxFieldItem* pFieldItem = static_cast<const SvxFieldItem*>(rAttrib.pAttr);

                                        if(pFieldItem)

                                        {

                                            const SvxFieldData* pData = pFieldItem->GetField();

                                            if(dynamic_cast<const SvxURLField*>( pData))

                                            {

                                                bHasURL = true;

                                                break;

                                            }

                                        }

                                    }

                                }

                                if(bHasURL)

                                {

                                    SfxItemSet aColorSet(SfxItemSet::makeFixedSfxItemSet<EE_CHAR_COLOR, EE_CHAR_COLOR>(*aSet.GetPool()));

                                    aColorSet.Put(aSet, false);

                                    ESelection aSel(nPara, 0);

                                    for(const auto& rAttrib : aAttribs)

                                    {

                                        if(EE_FEATURE_FIELD == rAttrib.pAttr->Which())

                                        {

                                            aSel.end.nIndex = rAttrib.nStart;

                                            if (aSel.start.nIndex != aSel.end.nIndex)

                                                pEditEngine->QuickSetAttribs(aColorSet, aSel);

                                            aSel.start.nIndex = rAttrib.nEnd;

                                        }

                                    }

                                    aSel.end.nIndex = pEditEngine->GetTextLen(nPara);

                                    if (aSel.start.nIndex != aSel.end.nIndex)

                                    {

                                        pEditEngine->QuickSetAttribs( aColorSet, aSel );

                                    }

                                }

                            }

                            aSet.Put(aParaSet, false);

                            if(bHasURL)

                            {

                                aSet.ClearItem(EE_CHAR_COLOR);

                            }

                            pOutliner->SetParaAttribs(nPara, aSet);

                            bBurnIn = true; // #i51163# Flag was set wrong

                        }

                    }

                    if(bBurnIn)

                    {

                        std::optional<OutlinerParaObject> pTemp = pOutliner->CreateParaObject(0, nParaCount);

                        rObj.NbcSetOutlinerParaObjectForText(std::move(pTemp),pText);

                    }

                }

                pOutliner->Clear();

            }

        }

        void TextProperties::SetObjectItemNoBroadcast(const SfxPoolItem& rItem)

        {

            GetObjectItemSet();

            moItemSet->Put(rItem);

        }

        void TextProperties::Notify(SfxBroadcaster& rBC, const SfxHint& rHint)

        {

            // call parent

            AttributeProperties::Notify(rBC, rHint);

            SfxHintId nId(rHint.GetId());

            if(SfxHintId::DataChanged == nId && rBC.IsSfxStyleSheet())

            {

                SdrTextObj& rObj = static_cast<SdrTextObj&>(GetSdrObject());

                if(!rObj.HasText())

                    return;

                const svx::ITextProvider& rTextProvider(getTextProvider());

                sal_Int32 nText = rTextProvider.getTextCount();

                while (nText--)

                {

                    OutlinerParaObject* pParaObj = rTextProvider.getText( nText )->GetOutlinerParaObject();

                    if( pParaObj )

                        pParaObj->ClearPortionInfo();

                }

                rObj.SetTextSizeDirty();

                if(rObj.IsTextFrame() && rObj.NbcAdjustTextFrameWidthAndHeight())

                {

                    // here only repaint wanted

                    rObj.ActionChanged();

                    //rObj.BroadcastObjectChange();

                }

                // #i101556# content of StyleSheet has changed -> new version

                maVersion++;

            }

            else if(SfxHintId::Dying == nId && rBC.IsSfxStyleSheet())

            {

                SdrTextObj& rObj = static_cast<SdrTextObj&>(GetSdrObject());

                if(!rObj.HasText())

                    return;

                const svx::ITextProvider& rTextProvider(getTextProvider());

                sal_Int32 nText = rTextProvider.getTextCount();

                while (nText--)

                {

                    OutlinerParaObject* pParaObj = rTextProvider.getText( nText )->GetOutlinerParaObject();

                    if( pParaObj )

                        pParaObj->ClearPortionInfo();

                }

            }

            else if (nId == SfxHintId::StyleSheetModifiedExtended)

            {

                assert(dynamic_cast<const SfxStyleSheetBasePool *>(&rBC) != nullptr);

                const SfxStyleSheetModifiedHint& rExtendedHint = static_cast<const SfxStyleSheetModifiedHint&>(rHint);

                const OUString& aOldName(rExtendedHint.GetOldName());

                OUString aNewName(rExtendedHint.GetStyleSheet()->GetName());

                SfxStyleFamily eFamily = rExtendedHint.GetStyleSheet()->GetFamily();

                if(aOldName != aNewName)

                {

                    const svx::ITextProvider& rTextProvider(getTextProvider());

                    sal_Int32 nText = rTextProvider.getTextCount();

                    while (nText--)

                    {

                        OutlinerParaObject* pParaObj = rTextProvider.getText( nText )->GetOutlinerParaObject();

                        if( pParaObj )

                            pParaObj->ChangeStyleSheetName(eFamily, aOldName, aNewName);

                    }

                }

            }

        }

        // #i101556# Handout version information

        sal_uInt32 TextProperties::getVersion() const

        {

            return maVersion;

        }

} // end of namespace

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