/************************************************************************
 **
 **  @file   vabstractpattern.cpp
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   15 6, 2015
 **
 **  @brief
 **  @copyright
 **  This source code is part of the Valentina project, a pattern making
 **  program, whose allow create and modeling patterns of clothing.
 **  Copyright (C) 2015 Valentina project
 **  <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
 **
 **  Valentina is free software: you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License as published by
 **  the Free Software Foundation, either version 3 of the License, or
 **  (at your option) any later version.
 **
 **  Valentina is distributed in the hope that it will be useful,
 **  but WITHOUT ANY WARRANTY; without even the implied warranty of
 **  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 **  GNU General Public License for more details.
 **
 **  You should have received a copy of the GNU General Public License
 **  along with Valentina.  If not, see <http://www.gnu.org/licenses/>.
 **
 *************************************************************************/

#include "vabstractpattern.h"

#include <QDomNode>
#include <QDomNodeList>
#include <QFuture>
#include <QLatin1String>
#include <QList>
#include <QMessageLogger>
#include <QMimeDatabase>
#include <QSet>
#include <QtConcurrentMap>
#include <QtConcurrentRun>
#include <QtDebug>

#include "../exception/vexceptionconversionerror.h"
#include "../exception/vexceptionemptyparameter.h"
#include "../exception/vexceptionobjecterror.h"
#include "../ifc/exception/vexceptionbadid.h"
#include "../ifc/ifcdef.h"
#include "../qmuparser/qmutokenparser.h"
#include "../vmisc/compatibility.h"
#include "../vmisc/vabstractvalapplication.h"
#include "../vpatterndb/vcontainer.h"
#include "../vpatterndb/vpiecenode.h"
#include "../vtools/tools/vdatatool.h"
#include "def.h"
#include "vbackgroundpatternimage.h"
#include "vdomdocument.h"
#include "vpatternconverter.h"
#include "vpatternimage.h"
#include "vtoolrecord.h"
#include "vvalentinasettings.h"

class QDomElement;

const QString VAbstractPattern::TagPattern = QStringLiteral("pattern");
const QString VAbstractPattern::TagCalculation = QStringLiteral("calculation");
const QString VAbstractPattern::TagModeling = QStringLiteral("modeling");
const QString VAbstractPattern::TagDetails = QStringLiteral("details");
const QString VAbstractPattern::TagDetail = QStringLiteral("detail");
const QString VAbstractPattern::TagDescription = QStringLiteral("description");
const QString VAbstractPattern::TagNotes = QStringLiteral("notes");
const QString VAbstractPattern::TagImage = QStringLiteral("image");
const QString VAbstractPattern::TagMeasurements = QStringLiteral("measurements");
const QString VAbstractPattern::TagIncrements = QStringLiteral("increments");
const QString VAbstractPattern::TagPreviewCalculations = QStringLiteral("previewCalculations");
const QString VAbstractPattern::TagIncrement = QStringLiteral("increment");
const QString VAbstractPattern::TagDraw = QStringLiteral("draw");
const QString VAbstractPattern::TagGroups = QStringLiteral("groups");
const QString VAbstractPattern::TagGroup = QStringLiteral("group");
const QString VAbstractPattern::TagGroupItem = QStringLiteral("item");
const QString VAbstractPattern::TagPoint = QStringLiteral("point");
const QString VAbstractPattern::TagSpline = QStringLiteral("spline");
const QString VAbstractPattern::TagArc = QStringLiteral("arc");
const QString VAbstractPattern::TagElArc = QStringLiteral("elArc");
const QString VAbstractPattern::TagTools = QStringLiteral("tools");
const QString VAbstractPattern::TagOperation = QStringLiteral("operation");
const QString VAbstractPattern::TagData = QStringLiteral("data");
const QString VAbstractPattern::TagPatternInfo = QStringLiteral("patternInfo");
const QString VAbstractPattern::TagPatternName = QStringLiteral("patternName");
const QString VAbstractPattern::TagPatternNum = QStringLiteral("patternNumber");
const QString VAbstractPattern::TagCustomerName = QStringLiteral("customer");
const QString VAbstractPattern::TagCustomerBirthDate = QStringLiteral("birthDate");
const QString VAbstractPattern::TagCustomerEmail = QStringLiteral("email");
const QString VAbstractPattern::TagCompanyName = QStringLiteral("company");
const QString VAbstractPattern::TagPatternLabel = QStringLiteral("patternLabel");
const QString VAbstractPattern::TagWatermark = QStringLiteral("watermark");
const QString VAbstractPattern::TagPatternMaterials = QStringLiteral("patternMaterials");
const QString VAbstractPattern::TagFinalMeasurements = QStringLiteral("finalMeasurements");
const QString VAbstractPattern::TagMaterial = QStringLiteral("material");
const QString VAbstractPattern::TagFMeasurement = QStringLiteral("finalMeasurment");
const QString VAbstractPattern::TagGrainline = QStringLiteral("grainline");
const QString VAbstractPattern::TagPath = QStringLiteral("path");
const QString VAbstractPattern::TagNodes = QStringLiteral("nodes");
const QString VAbstractPattern::TagNode = QStringLiteral("node");
const QString VAbstractPattern::TagBackgroundImages = QStringLiteral("backgroudImages");
const QString VAbstractPattern::TagBackgroundImage = QStringLiteral("backgroudImage");
const QString VAbstractPattern::TagPieceLabel = QStringLiteral("pieceLabel");

const QString VAbstractPattern::AttrName = QStringLiteral("name");
const QString VAbstractPattern::AttrVisible = QStringLiteral("visible");
const QString VAbstractPattern::AttrObject = QStringLiteral("object");
const QString VAbstractPattern::AttrTool = QStringLiteral("tool");
const QString VAbstractPattern::AttrType = QStringLiteral("type");
const QString VAbstractPattern::AttrLetter = QStringLiteral("letter");
const QString VAbstractPattern::AttrAnnotation = QStringLiteral("annotation");
const QString VAbstractPattern::AttrOrientation = QStringLiteral("orientation");
const QString VAbstractPattern::AttrRotationWay = QStringLiteral("rotationWay");
const QString VAbstractPattern::AttrTilt = QStringLiteral("tilt");
const QString VAbstractPattern::AttrFoldPosition = QStringLiteral("foldPosition");
const QString VAbstractPattern::AttrQuantity = QStringLiteral("quantity");
const QString VAbstractPattern::AttrOnFold = QStringLiteral("onFold");
const QString VAbstractPattern::AttrDateFormat = QStringLiteral("dateFormat");
const QString VAbstractPattern::AttrTimeFormat = QStringLiteral("timeFormat");
const QString VAbstractPattern::AttrArrows = QStringLiteral("arrows");
const QString VAbstractPattern::AttrNodeReverse = QStringLiteral("reverse");
const QString VAbstractPattern::AttrNodeExcluded = QStringLiteral("excluded");
const QString VAbstractPattern::AttrNodePassmark = QStringLiteral("passmark");
const QString VAbstractPattern::AttrNodePassmarkLine = QStringLiteral("passmarkLine");
const QString VAbstractPattern::AttrNodePassmarkAngle = QStringLiteral("passmarkAngle");
const QString VAbstractPattern::AttrNodeShowSecondPassmark = QStringLiteral("showSecondPassmark");
const QString VAbstractPattern::AttrNodePassmarkOpening = QStringLiteral("passmarkClockwiseOpening");
const QString VAbstractPattern::AttrNodeTurnPoint = QStringLiteral("turnPoint");
const QString VAbstractPattern::AttrSABefore = QStringLiteral("before");
const QString VAbstractPattern::AttrSAAfter = QStringLiteral("after");
const QString VAbstractPattern::AttrStart = QStringLiteral("start");
const QString VAbstractPattern::AttrPath = QStringLiteral("path");
const QString VAbstractPattern::AttrEnd = QStringLiteral("end");
const QString VAbstractPattern::AttrIncludeAs = QStringLiteral("includeAs");
const QString VAbstractPattern::AttrRotation = QStringLiteral("rotation");
const QString VAbstractPattern::AttrNumber = QStringLiteral("number");
const QString VAbstractPattern::AttrCheckUniqueness = QStringLiteral("checkUniqueness");
const QString VAbstractPattern::AttrManualPassmarkLength = QStringLiteral("manualPassmarkLength");
const QString VAbstractPattern::AttrPassmarkLength = QStringLiteral("passmarkLength");
const QString VAbstractPattern::AttrManualPassmarkWidth = QStringLiteral("manualPassmarkWidth");
const QString VAbstractPattern::AttrPassmarkWidth = QStringLiteral("passmarkWidth");
const QString VAbstractPattern::AttrManualPassmarkAngle = QStringLiteral("manualPassmarkAngle");
const QString VAbstractPattern::AttrPassmarkAngle = QStringLiteral("passmarkAngleFormula");
const QString VAbstractPattern::AttrOpacity = QStringLiteral("opacity");
const QString VAbstractPattern::AttrTags = QStringLiteral("tags");
const QString VAbstractPattern::AttrTransform = QStringLiteral("transform");
const QString VAbstractPattern::AttrHold = QStringLiteral("hold");
const QString VAbstractPattern::AttrZValue = QStringLiteral("zValue");
const QString VAbstractPattern::AttrImageId = QStringLiteral("imageId");
const QString VAbstractPattern::AttrDimensionA = QStringLiteral("dimensionA");
const QString VAbstractPattern::AttrDimensionB = QStringLiteral("dimensionB");
const QString VAbstractPattern::AttrDimensionC = QStringLiteral("dimensionC");

const QString VAbstractPattern::AttrContentType = QStringLiteral("contentType");

const QString VAbstractPattern::AttrFormula = QStringLiteral("formula");
const QString VAbstractPattern::AttrDescription = QStringLiteral("description");
const QString VAbstractPattern::AttrSpecialUnits = QStringLiteral("specialUnits");

const QString VAbstractPattern::NodeArc = QStringLiteral("NodeArc");
const QString VAbstractPattern::NodeElArc = QStringLiteral("NodeElArc");
const QString VAbstractPattern::NodePoint = QStringLiteral("NodePoint");
const QString VAbstractPattern::NodeSpline = QStringLiteral("NodeSpline");
const QString VAbstractPattern::NodeSplinePath = QStringLiteral("NodeSplinePath");

QHash<quint32, VDataTool *> VAbstractPattern::tools = QHash<quint32, VDataTool *>();
QVector<VLabelTemplateLine> VAbstractPattern::patternLabelLines = QVector<VLabelTemplateLine>();
QMap<int, QString> VAbstractPattern::patternMaterials = QMap<int, QString>();
bool VAbstractPattern::patternLabelWasChanged = false;

namespace
{
QT_WARNING_PUSH
QT_WARNING_DISABLE_CLANG("-Wunused-member-function")

Q_GLOBAL_STATIC_WITH_ARGS(const QString, dimensionDefValue, (QLatin1String("-1"))) // NOLINT

QT_WARNING_POP

void ReadExpressionAttribute(QVector<VFormulaField> &expressions, const QDomElement &element, const QString &attribute)
{
    VFormulaField formula;
    formula.expression = VDomDocument::GetParametrEmptyString(element, attribute);

    if (formula.expression.isEmpty())
    {
        return;
    }

    formula.element = element;
    formula.attribute = attribute;

    expressions.append(formula);
}

//---------------------------------------------------------------------------------------------------------------------
auto GetTokens(const VFormulaField &formula) -> QList<QString>
{
    try
    {
        QScopedPointer<qmu::QmuTokenParser> cal(new qmu::QmuTokenParser(formula.expression, false, false));
        return cal->GetTokens().values();
    }
    catch (const qmu::QmuParserError &e)
    {
        qWarning() << QObject::tr("Cannot get tokens from formula '%1'. Parser error: %2.")
                          .arg(formula.expression, e.GetMsg());
        return QList<QString>();
    }
    catch (const qmu::QmuParserWarning &e)
    {
        qWarning() << QObject::tr("Cannot get tokens from formula '%1'. Formula error: %2.")
                          .arg(formula.expression, e.GetMsg());
        return QList<QString>();
    }
}

//---------------------------------------------------------------------------------------------------------------------
void GatherTokens(QSet<QString> &tokens, const QList<QString> &tokenList)
{
    tokens = tokens.unite(ConvertToSet(tokenList));
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief AdjustMaterials help function that combine user materials from pattern and cli.
 * @param materials materials from pattern
 * @return combined list
 */
auto AdjustMaterials(QMap<int, QString> materials) -> QMap<int, QString>
{
    const QMap<int, QString> cliMaterials = VAbstractValApplication::VApp()->GetUserMaterials();
    QMap<int, QString>::const_iterator i = cliMaterials.constBegin();
    while (i != cliMaterials.constEnd())
    {
        if (not materials.contains(i.key()))
        {
            qWarning() << QObject::tr("User material number %1 was not defined in this pattern.").arg(i.key());
        }

        materials.insert(i.key(), i.value());
        ++i;
    }

    return materials;
}

//---------------------------------------------------------------------------------------------------------------------
auto PrepareGroupTags(QStringList tags) -> QString
{
    for (auto &tag : tags)
    {
        tag = tag.simplified();
    }

    return ConvertToStringList(ConvertToSet<QString>(tags)).join(',');
}

//---------------------------------------------------------------------------------------------------------------------
auto StringToTransfrom(const QString &matrix) -> QTransform
{
    QStringList elements = matrix.split(QChar(';'));
    if (elements.count() == 9)
    {
        qreal m11 = elements.at(0).toDouble();
        qreal m12 = elements.at(1).toDouble();
        qreal m13 = elements.at(2).toDouble();
        qreal m21 = elements.at(3).toDouble();
        qreal m22 = elements.at(4).toDouble();
        qreal m23 = elements.at(5).toDouble();
        qreal m31 = elements.at(6).toDouble();
        qreal m32 = elements.at(7).toDouble();
        qreal m33 = elements.at(8).toDouble();
        return {m11, m12, m13, m21, m22, m23, m31, m32, m33};
    }

    return {};
}

//---------------------------------------------------------------------------------------------------------------------
template <class T> auto NumberToString(T number) -> QString
{
    const QLocale locale = QLocale::c();
    return locale.toString(number, 'g', 12).remove(LocaleGroupSeparator(locale));
}

//---------------------------------------------------------------------------------------------------------------------
auto TransformToString(const QTransform &m) -> QString
{
    QStringList matrix{NumberToString(m.m11()), NumberToString(m.m12()), NumberToString(m.m13()),
                       NumberToString(m.m21()), NumberToString(m.m22()), NumberToString(m.m23()),
                       NumberToString(m.m31()), NumberToString(m.m32()), NumberToString(m.m33())};
    return matrix.join(QChar(';'));
}
} // namespace

//---------------------------------------------------------------------------------------------------------------------
VAbstractPattern::VAbstractPattern(QObject *parent)
  : VDomDocument(parent),
    nameActivPP(),
    cursor(0),
    toolsOnRemove(QVector<VDataTool *>()),
    history(QVector<VToolRecord>()),
    patternPieces(),
    modified(false)
{
}

//---------------------------------------------------------------------------------------------------------------------
VAbstractPattern::~VAbstractPattern()
{
    qDeleteAll(toolsOnRemove);
    toolsOnRemove.clear();
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::RequiresMeasurements() const -> bool
{
    return not ListMeasurements().isEmpty();
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListMeasurements() const -> QStringList
{
    const QFuture<QStringList> futureIncrements = QtConcurrent::run([this]() { return ListIncrements(); });
    const QList<QString> tokens =
        ConvertToList(QtConcurrent::blockingMappedReduced(ListExpressions(), GetTokens, GatherTokens));

    QSet<QString> measurements;
    QSet<QString> others = ConvertToSet<QString>(futureIncrements.result());

    for (const auto &token : tokens)
    {
        if (token == QChar('-') || measurements.contains(token) || others.contains(token))
        {
            continue;
        }

        IsVariable(token) || IsFunction(token) ? others.insert(token) : measurements.insert(token);
    }

    return QStringList(measurements.values());
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief ChangeActivPP set new active pattern piece name.
 * @param name new name.
 * @param parse parser file mode.
 */
void VAbstractPattern::ChangeActivPP(const QString &name, const Document &parse)
{
    Q_ASSERT_X(not name.isEmpty(), Q_FUNC_INFO, "name pattern piece is empty");
    if (CheckExistNamePP(name))
    {
        this->nameActivPP = name;
        if (parse == Document::FullParse)
        {
            emit ChangedActivPP(name);
        }
    }
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief GetActivDrawElement return draw tag for current pattern peace.
 * @param element draw tag.
 * @return true if found.
 */
auto VAbstractPattern::GetActivDrawElement(QDomElement &element) const -> bool
{
    if (nameActivPP.isEmpty() == false)
    {
        const QDomNodeList elements = this->documentElement().elementsByTagName(TagDraw);
        if (elements.size() == 0)
        {
            return false;
        }
        for (qint32 i = 0; i < elements.count(); i++)
        {
            element = elements.at(i).toElement();
            if (element.isNull() == false)
            {
                const QString fieldName = element.attribute(AttrName);
                if (fieldName == nameActivPP)
                {
                    return true;
                }
            }
        }
        element = QDomElement();
    }
    return false;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::getLocalHistory(const QString &draw) const -> QVector<VToolRecord>
{
    QVector<VToolRecord> historyPP;
    for (qint32 i = 0; i < history.size(); ++i)
    {
        const VToolRecord &tool = history.at(i);
        if (tool.getNameDraw() == draw)
        {
            historyPP.append(tool);
        }
    }
    return historyPP;
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief CheckNameDraw check if exist pattern peace with this name.
 * @param name pattern peace name.
 * @return true if exist.
 */
auto VAbstractPattern::CheckExistNamePP(const QString &name) const -> bool
{
    Q_ASSERT_X(not name.isEmpty(), Q_FUNC_INFO, "name draw is empty");
    const QDomNodeList elements = this->documentElement().elementsByTagName(TagDraw);
    if (elements.size() == 0)
    {
        return false;
    }
    for (qint32 i = 0; i < elements.count(); i++)
    {
        const QDomElement elem = elements.at(i).toElement();
        if (elem.isNull() == false)
        {
            if (GetParametrString(elem, AttrName) == name)
            {
                return true;
            }
        }
    }
    return false;
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief GetActivNodeElement find element in current pattern piece by name.
 * @param name name tag.
 * @param element element.
 * @return true if found.
 */
auto VAbstractPattern::GetActivNodeElement(const QString &name, QDomElement &element) const -> bool
{
    Q_ASSERT_X(not name.isEmpty(), Q_FUNC_INFO, "name draw is empty");
    QDomElement drawElement;
    if (GetActivDrawElement(drawElement))
    {
        const QDomNodeList listElement = drawElement.elementsByTagName(name);
        if (listElement.size() != 1)
        {
            return false;
        }
        element = listElement.at(0).toElement();
        if (element.isNull() == false)
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    return false;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::ParseGroups(const QDomElement &domElement)
{
    Q_ASSERT_X(not domElement.isNull(), Q_FUNC_INFO, "domElement is null");

    QMap<quint32, quint32> itemTool;
    QMap<quint32, bool> itemVisibility;

    QDomNode domNode = domElement.firstChild();
    while (not domNode.isNull())
    {
        if (domNode.isElement())
        {
            const QDomElement domElement = domNode.toElement();
            if (not domElement.isNull())
            {
                if (domElement.tagName() == TagGroup)
                {
                    VContainer::UpdateId(GetParametrUInt(domElement, AttrId, NULL_ID_STR), valentinaNamespace);

                    const QPair<bool, QMap<quint32, quint32>> groupData = ParseItemElement(domElement);
                    const QMap<quint32, quint32> group = groupData.second;
                    auto i = group.constBegin();
                    while (i != group.constEnd())
                    {
                        if (not itemTool.contains(i.key()))
                        {
                            itemTool.insert(i.key(), i.value());
                        }

                        const bool previous = itemVisibility.value(i.key(), false);
                        itemVisibility.insert(i.key(), previous || groupData.first);
                        ++i;
                    }
                }
            }
        }
        domNode = domNode.nextSibling();
    }

    auto i = itemTool.constBegin();
    while (i != itemTool.constEnd())
    {
        if (tools.contains(i.value()))
        {
            VDataTool *tool = tools.value(i.value());
            tool->GroupVisibility(i.key(), itemVisibility.value(i.key(), true));
        }
        ++i;
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::CountPP() const -> int
{
    const QDomElement rootElement = this->documentElement();
    if (rootElement.isNull())
    {
        return 0;
    }

    return rootElement.elementsByTagName(TagDraw).count();
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetPPElement(const QString &name) -> QDomElement
{
    if (not name.isEmpty())
    {
        const QDomNodeList elements = this->documentElement().elementsByTagName(TagDraw);
        if (elements.size() == 0)
        {
            return QDomElement();
        }

        for (qint32 i = 0; i < elements.count(); i++)
        {
            QDomElement element = elements.at(i).toElement();
            if (not element.isNull())
            {
                if (element.attribute(AttrName) == name)
                {
                    return element;
                }
            }
        }
    }
    return QDomElement();
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief ChangeNamePP change pattern piece name.
 * @param oldName old pattern piece name.
 * @param newName new pattern piece name.
 * @return true if success.
 */
auto VAbstractPattern::ChangeNamePP(const QString &oldName, const QString &newName) -> bool
{
    Q_ASSERT_X(not newName.isEmpty(), Q_FUNC_INFO, "new name pattern piece is empty");
    Q_ASSERT_X(not oldName.isEmpty(), Q_FUNC_INFO, "old name pattern piece is empty");

    if (CheckExistNamePP(oldName) == false)
    {
        qDebug() << "Do not exist pattern piece with name" << oldName;
        return false;
    }

    if (CheckExistNamePP(newName))
    {
        qDebug() << "Already exist pattern piece with name" << newName;
        return false;
    }

    QDomElement ppElement = GetPPElement(oldName);
    if (ppElement.isElement())
    {
        if (nameActivPP == oldName)
        {
            nameActivPP = newName;
        }
        ppElement.setAttribute(AttrName, newName);
        emit patternChanged(false); // For situation when we change name directly, without undocommands.
        emit ChangedNameDraw(oldName, newName);
        return true;
    }

    qDebug() << "Can't find pattern piece node with name" << oldName << Q_FUNC_INFO;
    return false;
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief appendPP add new pattern piece.
 *
 * Method check if not exist pattern piece with the same name and change name active pattern piece name, send signal
 * about change pattern piece. Doen't add pattern piece to file structure. This task make SPoint tool.
 * @param name pattern peace name.
 * @return true if success.
 */
auto VAbstractPattern::appendPP(const QString &name) -> bool
{
    Q_ASSERT_X(not name.isEmpty(), Q_FUNC_INFO, "name pattern piece is empty");
    if (name.isEmpty())
    {
        return false;
    }
    if (CheckExistNamePP(name) == false)
    {
        SetActivPP(name);
        return true;
    }
    return false;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::getCursor() const -> quint32
{
    return cursor;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::setCursor(const quint32 &value)
{
    if (cursor != value)
    {
        cursor = value;
        emit ChangedCursor(cursor);
    }
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::setXMLContent(const QString &fileName)
{
    Clear();
    VDomDocument::setXMLContent(fileName);
    m_patternNumber = ReadPatternNumber();
    m_labelDateFormat = ReadLabelDateFormat();
    m_patternName = ReadPatternName();
    m_MPath = ReadMPath();
    m_watermarkPath = ReadWatermarkPath();
    m_companyName = ReadCompanyName();
    m_units = ReadUnits();
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::Clear()
{
    clear();
    m_patternNumber.clear();
    m_labelDateFormat.clear();
    m_patternName.clear();
    m_MPath.clear();
    m_watermarkPath.clear();
    m_companyName.clear();
    m_units = Unit::LAST_UNIT_DO_NOT_USE;
    modified = false;
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief getTool return tool from tool list.
 * @param id tool id.
 * @return tool.
 */
auto VAbstractPattern::getTool(quint32 id) -> VDataTool *
{
    ToolExists(id);
    return tools.value(id);
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief AddTool add tool to list tools.
 * @param id tool id.
 * @param tool tool.
 */
void VAbstractPattern::AddTool(quint32 id, VDataTool *tool)
{
    Q_ASSERT_X(id != 0, Q_FUNC_INFO, "id == 0");
    SCASSERT(tool != nullptr)
    tools.insert(id, tool);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::RemoveTool(quint32 id)
{
    tools.remove(id);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ParsePieceNodes(const QDomElement &domElement) -> VPiecePath
{
    VPiecePath path;
    const QDomNodeList nodeList = domElement.childNodes();
    for (qint32 i = 0; i < nodeList.size(); ++i)
    {
        const QDomElement element = nodeList.at(i).toElement();
        if (not element.isNull())
        {
            path.Append(ParseSANode(element));
        }
    }
    return path;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ParsePieceCSARecords(const QDomElement &domElement) -> QVector<CustomSARecord>
{
    QVector<CustomSARecord> records;
    const QDomNodeList nodeList = domElement.childNodes();
    for (qint32 i = 0; i < nodeList.size(); ++i)
    {
        const QDomElement element = nodeList.at(i).toElement();
        if (not element.isNull())
        {
            CustomSARecord record;
            record.startPoint = GetParametrUInt(element, VAbstractPattern::AttrStart, NULL_ID_STR);
            record.path = GetParametrUInt(element, VAbstractPattern::AttrPath, NULL_ID_STR);
            record.endPoint = GetParametrUInt(element, VAbstractPattern::AttrEnd, NULL_ID_STR);
            record.reverse = GetParametrBool(element, VAbstractPattern::AttrNodeReverse, falseStr);
            record.includeType = static_cast<PiecePathIncludeType>(
                GetParametrUInt(element, VAbstractPattern::AttrIncludeAs, QChar('1')));
            records.append(record);
        }
    }
    return records;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ParsePieceInternalPaths(const QDomElement &domElement) -> QVector<quint32>
{
    QVector<quint32> records;
    const QDomNodeList nodeList = domElement.childNodes();
    for (qint32 i = 0; i < nodeList.size(); ++i)
    {
        const QDomElement element = nodeList.at(i).toElement();
        if (not element.isNull())
        {
            const quint32 path = GetParametrUInt(element, VAbstractPattern::AttrPath, NULL_ID_STR);
            if (path > NULL_ID)
            {
                records.append(path);
            }
        }
    }
    return records;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ParsePiecePointRecords(const QDomElement &domElement) -> QVector<quint32>
{
    QVector<quint32> records;
    const QDomNodeList nodeList = domElement.childNodes();
    for (qint32 i = 0; i < nodeList.size(); ++i)
    {
        const QDomElement element = nodeList.at(i).toElement();
        if (not element.isNull())
        {
            const quint32 path = element.text().toUInt();
            if (path > NULL_ID)
            {
                records.append(path);
            }
        }
    }
    return records;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ParseSANode(const QDomElement &domElement) -> VPieceNode
{
    const quint32 id = VDomDocument::GetParametrUInt(domElement, AttrIdObject, NULL_ID_STR);
    const bool reverse = VDomDocument::GetParametrUInt(domElement, VAbstractPattern::AttrNodeReverse, QChar('0'));
    const bool excluded = VDomDocument::GetParametrBool(domElement, VAbstractPattern::AttrNodeExcluded, falseStr);
    const bool uniqeness = VDomDocument::GetParametrBool(domElement, VAbstractPattern::AttrCheckUniqueness, trueStr);
    const QString saBefore =
        VDomDocument::GetParametrString(domElement, VAbstractPattern::AttrSABefore, currentSeamAllowance);
    const QString saAfter =
        VDomDocument::GetParametrString(domElement, VAbstractPattern::AttrSAAfter, currentSeamAllowance);
    const PieceNodeAngle angle =
        static_cast<PieceNodeAngle>(VDomDocument::GetParametrUInt(domElement, AttrAngle, QChar('0')));

    const bool passmark = VDomDocument::GetParametrBool(domElement, VAbstractPattern::AttrNodePassmark, falseStr);
    const PassmarkLineType passmarkLine = StringToPassmarkLineType(
        VDomDocument::GetParametrString(domElement, VAbstractPattern::AttrNodePassmarkLine, strOne));
    const PassmarkAngleType passmarkAngleType = StringToPassmarkAngleType(
        VDomDocument::GetParametrString(domElement, VAbstractPattern::AttrNodePassmarkAngle, strStraightforward));

    const bool showSecond =
        VDomDocument::GetParametrBool(domElement, VAbstractPattern::AttrNodeShowSecondPassmark, trueStr);
    const bool passmarkOpening =
        VDomDocument::GetParametrBool(domElement, VAbstractPattern::AttrNodePassmarkOpening, falseStr);

    const bool manualPassmarkLength =
        VDomDocument::GetParametrBool(domElement, VAbstractPattern::AttrManualPassmarkLength, falseStr);
    const QString passmarkLength =
        VDomDocument::GetParametrEmptyString(domElement, VAbstractPattern::AttrPassmarkLength);

    const bool manualPassmarkWidth =
        VDomDocument::GetParametrBool(domElement, VAbstractPattern::AttrManualPassmarkWidth, falseStr);
    const QString passmarkWidth = VDomDocument::GetParametrEmptyString(domElement, VAbstractPattern::AttrPassmarkWidth);

    const bool manualPassmarkAngle =
        VDomDocument::GetParametrBool(domElement, VAbstractPattern::AttrManualPassmarkAngle, falseStr);
    const QString passmarkAngle = VDomDocument::GetParametrEmptyString(domElement, VAbstractPattern::AttrPassmarkAngle);

    const bool turnPoint = VDomDocument::GetParametrBool(domElement, VAbstractPattern::AttrNodeTurnPoint, trueStr);

    const QString t = VDomDocument::GetParametrString(domElement, AttrType, VAbstractPattern::NodePoint);
    Tool tool;

    const QStringList types{VAbstractPattern::NodePoint, VAbstractPattern::NodeArc, VAbstractPattern::NodeSpline,
                            VAbstractPattern::NodeSplinePath, VAbstractPattern::NodeElArc};

    switch (types.indexOf(t))
    {
        case 0: // VAbstractPattern::NodePoint
            tool = Tool::NodePoint;
            break;
        case 1: // VAbstractPattern::NodeArc
            tool = Tool::NodeArc;
            break;
        case 2: // VAbstractPattern::NodeSpline
            tool = Tool::NodeSpline;
            break;
        case 3: // VAbstractPattern::NodeSplinePath
            tool = Tool::NodeSplinePath;
            break;
        case 4: // NodeElArc
            tool = Tool::NodeElArc;
            break;
        default:
            throw VException(tr("Wrong tag name '%1'.").arg(t));
    }
    VPieceNode node(id, tool, reverse);
    node.SetFormulaSABefore(saBefore);
    node.SetFormulaSAAfter(saAfter);
    node.SetAngleType(angle);
    node.SetExcluded(excluded);
    node.SetCheckUniqueness(uniqeness);
    node.SetShowSecondPassmark(showSecond);
    node.SetPassmarkClockwiseOpening(passmarkOpening);
    node.SetPassmark(passmark);
    node.SetPassmarkLineType(passmarkLine);
    node.SetPassmarkAngleType(passmarkAngleType);
    node.SetManualPassmarkLength(manualPassmarkLength);
    node.SetFormulaPassmarkLength(passmarkLength);
    node.SetManualPassmarkWidth(manualPassmarkWidth);
    node.SetFormulaPassmarkWidth(passmarkWidth);
    node.SetManualPassmarkAngle(manualPassmarkAngle);
    node.SetFormulaPassmarkAngle(passmarkAngle);
    node.SetTurnPoint(turnPoint);

    return node;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::AddToolOnRemove(VDataTool *tool)
{
    SCASSERT(tool != nullptr)
    toolsOnRemove.append(tool);
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief getHistory return list with list of history records.
 * @return list of history records.
 */
auto VAbstractPattern::getHistory() -> QVector<VToolRecord> *
{
    return &history;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::getLocalHistory() const -> QVector<VToolRecord>
{
    return getLocalHistory(GetNameActivPP());
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::MPath() const -> QString
{
    return m_MPath;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetMPath(const QString &path)
{
    QDomElement domElement = UniqueTag(TagMeasurements);
    if (not domElement.isNull())
    {
        auto RemoveDimensions = [&domElement]()
        {
            domElement.removeAttribute(AttrDimensionA);
            domElement.removeAttribute(AttrDimensionB);
            domElement.removeAttribute(AttrDimensionC);
        };

        if (not path.isEmpty())
        {
            SetAttribute(domElement, AttrPath, path);

            if (path.endsWith(QStringLiteral(".vit")) || QFileInfo(m_MPath).fileName() != QFileInfo(path).fileName())
            {
                RemoveDimensions();
            }
        }
        else
        {
            domElement.removeAttribute(AttrPath);
            RemoveDimensions();
        }
        m_MPath = path;
        patternLabelWasChanged = true;
        modified = true;
        emit patternChanged(false);
    }
    else
    {
        qDebug() << "Can't save path to measurements" << Q_FUNC_INFO;
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::SiblingNodeId(const quint32 &nodeId) const -> quint32
{
    // This check helps to find missed tools in the switch
    Q_STATIC_ASSERT_X(static_cast<int>(Tool::LAST_ONE_DO_NOT_USE) == 59, "Check if need to ignore modeling tools.");

    quint32 siblingId = NULL_ID;

    const QVector<VToolRecord> history = getLocalHistory();
    for (qint32 i = 0; i < history.size(); ++i)
    {
        const VToolRecord tool = history.at(i);
        if (nodeId == tool.getId())
        {
            if (i == 0)
            {
                siblingId = NULL_ID;
            }
            else
            {
                for (qint32 j = i; j > 0; --j)
                {
                    const VToolRecord tool = history.at(j - 1);
                    switch (tool.getTypeTool())
                    {
                        case Tool::Arrow:
                        case Tool::Piece:
                        case Tool::UnionDetails:
                        case Tool::NodeArc:
                        case Tool::NodeElArc:
                        case Tool::NodePoint:
                        case Tool::NodeSpline:
                        case Tool::NodeSplinePath:
                        case Tool::PlaceLabel:
                        case Tool::Pin:
                        case Tool::PiecePath:
                        case Tool::InsertNode:
                        case Tool::DuplicateDetail:
                        case Tool::BackgroundImage:
                        case Tool::BackgroundImageControls:
                        case Tool::BackgroundPixmapImage:
                        case Tool::BackgroundSVGImage:
                            continue;
                        default:
                            siblingId = tool.getId();
                            j = 0; // break loop
                            break;
                    }
                }
            }
        }
    }
    return siblingId;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::getPatternPieces() const -> QStringList
{
    return patternPieces;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetDescription() const -> QString
{
    return UniqueTagText(TagDescription);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetDescription(const QString &text)
{
    CheckTagExists(TagDescription);
    setTagText(TagDescription, text);
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetNotes() const -> QString
{
    return UniqueTagText(TagNotes);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetNotes(const QString &text)
{
    CheckTagExists(TagNotes);
    setTagText(TagNotes, text);
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetPatternName() const -> QString
{
    return m_patternName;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetPatternName(const QString &qsName)
{
    m_patternName = qsName;
    CheckTagExists(TagPatternName);
    setTagText(TagPatternName, m_patternName);
    patternLabelWasChanged = true;
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetCompanyName() const -> QString
{
    return m_companyName;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetCompanyName(const QString &qsName)
{
    m_companyName = qsName;
    CheckTagExists(TagCompanyName);
    setTagText(TagCompanyName, m_companyName);
    patternLabelWasChanged = true;
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetPatternNumber() const -> QString
{
    return m_patternNumber;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetPatternNumber(const QString &qsNum)
{
    m_patternNumber = qsNum;
    CheckTagExists(TagPatternNum);
    setTagText(TagPatternNum, m_patternNumber);
    patternLabelWasChanged = true;
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetCustomerName() const -> QString
{
    return UniqueTagText(TagCustomerName);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetCustomerName(const QString &qsName)
{
    CheckTagExists(TagCustomerName);
    setTagText(TagCustomerName, qsName);
    patternLabelWasChanged = true;
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetCustomerBirthDate() const -> QDate
{
    return QDate::fromString(UniqueTagText(TagCustomerBirthDate), "yyyy-MM-dd");
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetCustomerBirthDate(const QDate &date)
{
    CheckTagExists(TagCustomerBirthDate);
    setTagText(TagCustomerBirthDate, date.toString("yyyy-MM-dd"));
    patternLabelWasChanged = true;
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetCustomerEmail() const -> QString
{
    return UniqueTagText(TagCustomerEmail);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetCustomerEmail(const QString &email)
{
    CheckTagExists(TagCustomerEmail);
    setTagText(TagCustomerEmail, email);
    patternLabelWasChanged = true;
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetLabelDateFormat() const -> QString
{
    return m_labelDateFormat;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetLabelDateFormat(const QString &format)
{
    m_labelDateFormat = format;
    QDomElement tag = CheckTagExists(TagPatternLabel);
    SetAttribute(tag, AttrDateFormat, m_labelDateFormat);
    patternLabelWasChanged = true;
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetLabelTimeFormat() const -> QString
{
    QString globalLabelTimeFormat = VAbstractApplication::VApp()->Settings()->GetLabelTimeFormat();

    const QDomNodeList list = elementsByTagName(TagPatternLabel);
    if (list.isEmpty())
    {
        return globalLabelTimeFormat;
    }

    QDomElement tag = list.at(0).toElement();
    return GetParametrString(tag, AttrTimeFormat, globalLabelTimeFormat);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetLabelTimeFormat(const QString &format)
{
    QDomElement tag = CheckTagExists(TagPatternLabel);
    SetAttribute(tag, AttrTimeFormat, format);
    patternLabelWasChanged = true;
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetPatternLabelTemplate(const QVector<VLabelTemplateLine> &lines)
{
    QDomElement tag = CheckTagExists(TagPatternLabel);
    RemoveAllChildren(tag);
    SetLabelTemplate(tag, lines);
    patternLabelLines = lines;
    patternLabelWasChanged = true;
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetPatternLabelTemplate() const -> QVector<VLabelTemplateLine>
{
    if (patternLabelLines.isEmpty())
    {
        const QDomNodeList list = elementsByTagName(TagPatternLabel);
        if (list.isEmpty() || list.at(0).childNodes().count() == 0)
        {
            return QVector<VLabelTemplateLine>();
        }

        patternLabelLines = GetLabelTemplate(list.at(0).toElement());
    }

    return patternLabelLines;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::SetWatermarkPath(const QString &path) -> bool
{
    QDomElement tag = CheckTagExists(TagWatermark);

    if (path.isEmpty())
    {
        QDomNode parent = tag.parentNode();
        parent.removeChild(tag);

        emit patternChanged(false);
        patternLabelWasChanged = true;
        m_watermarkPath = path;
        modified = true;
        return true;
    }

    if (setTagText(tag, path))
    {
        emit patternChanged(false);
        patternLabelWasChanged = true;
        m_watermarkPath = path;
        modified = true;
        return true;
    }
    else
    {
        qDebug() << "Can't save path to watermark" << Q_FUNC_INFO;
        return false;
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetWatermarkPath() const -> QString
{
    return m_watermarkPath;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetPatternMaterials(const QMap<int, QString> &materials)
{
    QDomElement tag = CheckTagExists(TagPatternMaterials);
    RemoveAllChildren(tag);
    SetMaterials(tag, materials);
    patternMaterials = materials;
    patternLabelWasChanged = true;
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetPatternMaterials() const -> QMap<int, QString>
{
    if (patternMaterials.isEmpty())
    {
        const QDomNodeList list = elementsByTagName(TagPatternMaterials);
        if (list.isEmpty() || list.at(0).childNodes().count() == 0)
        {
            return QMap<int, QString>();
        }

        patternMaterials = GetMaterials(list.at(0).toElement());
    }

    return AdjustMaterials(patternMaterials);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetFinalMeasurements() const -> QVector<VFinalMeasurement>
{
    const QDomNodeList list = elementsByTagName(TagFinalMeasurements);
    if (list.isEmpty() || list.at(0).childNodes().count() == 0)
    {
        return QVector<VFinalMeasurement>();
    }

    return GetFMeasurements(list.at(0).toElement());
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetFinalMeasurements(const QVector<VFinalMeasurement> &measurements)
{
    QDomElement tag = CheckTagExists(TagFinalMeasurements);
    RemoveAllChildren(tag);
    SetFMeasurements(tag, measurements);
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetDefaultPieceLabelPath() const -> QString
{
    return UniqueTagText(TagPieceLabel);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetDefaultPieceLabelPath(const QString &path)
{
    CheckTagExists(TagPieceLabel);
    setTagText(TagPieceLabel, path);
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetPatternWasChanged(bool changed)
{
    patternLabelWasChanged = changed;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetPatternWasChanged() const -> bool
{
    return patternLabelWasChanged;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetPassmarkLengthVariable() const -> QString
{
    const QDomElement pattern = documentElement();

    if (pattern.isNull())
    {
        return {};
    }

    return GetParametrEmptyString(pattern, AttrPassmarkLength);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetPassmarkLengthVariable(const QString &name)
{
    QDomElement pattern = documentElement();

    if (not pattern.isNull())
    {
        SetAttribute(pattern, AttrPassmarkLength, name);
        modified = true;
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetPassmarkWidthVariable() const -> QString
{
    const QDomElement pattern = documentElement();

    if (pattern.isNull())
    {
        return {};
    }

    return GetParametrEmptyString(pattern, AttrPassmarkWidth);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetPassmarkWidthVariable(const QString &name)
{
    QDomElement pattern = documentElement();

    if (not pattern.isNull())
    {
        SetAttribute(pattern, AttrPassmarkWidth, name);
        modified = true;
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetImage() const -> VPatternImage
{
    VPatternImage image;

    const QDomNodeList list = elementsByTagName(TagImage);
    if (not list.isEmpty())
    {
        QDomElement imgTag = list.at(0).toElement();
        if (not imgTag.isNull())
        {
            image.SetContentData(imgTag.text().toLatin1(), imgTag.attribute(AttrContentType));
        }
    }

    return image;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::SetImage(const VPatternImage &image) -> bool
{
    QDomElement imageElement = CheckTagExists(TagImage);
    setTagText(imageElement, image.ContentData());
    imageElement.setAttribute(AttrContentType, image.ContentType());
    modified = true;
    emit patternChanged(false);
    return true;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::DeleteImage()
{
    QDomElement pattern = documentElement();
    pattern.removeChild(CheckTagExists(TagImage));
    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetBackgroundImages() const -> QVector<VBackgroundPatternImage>
{
    QVector<VBackgroundPatternImage> images;
    const QDomNodeList list = elementsByTagName(TagBackgroundImages);
    if (list.isEmpty())
    {
        return images;
    }

    QDomElement imagesTag = list.at(0).toElement();
    if (not imagesTag.isNull())
    {
        QDomNode imageNode = imagesTag.firstChild();
        while (not imageNode.isNull())
        {
            const QDomElement imageElement = imageNode.toElement();
            if (not imageElement.isNull())
            {
                images.append(GetBackgroundPatternImage(imageElement));
            }
            imageNode = imageNode.nextSibling();
        }
    }

    return images;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SaveBackgroundImages(const QVector<VBackgroundPatternImage> &images)
{
    QDomElement imagesElement = CheckTagExists(TagBackgroundImages);
    RemoveAllChildren(imagesElement);

    for (const auto &image : images)
    {
        if (not image.Id().isNull())
        {
            QDomElement imageElement = createElement(TagBackgroundImage);
            WriteBackgroundImage(imageElement, image);
            imagesElement.appendChild(imageElement);
        }
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetBackgroundImage(const QUuid &id) const -> VBackgroundPatternImage
{
    const QDomElement imageElement = GetBackgroundImageElement(id);
    if (not imageElement.isNull())
    {
        return GetBackgroundPatternImage(imageElement);
    }

    QT_WARNING_PUSH
    QT_WARNING_DISABLE_GCC("-Wnoexcept")

    return {};

    QT_WARNING_POP
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SaveBackgroundImage(const VBackgroundPatternImage &image)
{
    QDomElement imageElement = GetBackgroundImageElement(image.Id());
    if (imageElement.isNull())
    {
        QDomElement imageElement = createElement(TagBackgroundImage);
        WriteBackgroundImage(imageElement, image);
        QDomElement imagesElement = CheckTagExists(TagBackgroundImages);
        imagesElement.appendChild(imageElement);
    }
    else
    {
        WriteBackgroundImage(imageElement, image);
    }

    modified = true;
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::DeleteBackgroundImage(const QUuid &id)
{
    const QDomNodeList list = elementsByTagName(TagBackgroundImages);
    if (list.isEmpty())
    {
        return;
    }

    QDomElement imagesTag = list.at(0).toElement();
    if (not imagesTag.isNull())
    {
        QDomNode imageNode = imagesTag.firstChild();
        while (not imageNode.isNull())
        {
            const QDomElement imageElement = imageNode.toElement();
            if (not imageElement.isNull())
            {
                QUuid imageId = QUuid(GetParametrEmptyString(imageElement, AttrImageId));
                if (imageId == id)
                {
                    imagesTag.removeChild(imageElement);

                    if (imagesTag.childNodes().size() == 0)
                    {
                        QDomNode parent = imagesTag.parentNode();
                        if (not parent.isNull())
                        {
                            parent.removeChild(imagesTag);
                        }
                    }

                    modified = true;
                    emit patternChanged(false);

                    return;
                }
            }
            imageNode = imageNode.nextSibling();
        }
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetVersion() const -> QString
{
    return UniqueTagText(TagVersion, VPatternConverter::PatternMaxVerStr);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetVersion()
{
    setTagText(TagVersion, VPatternConverter::PatternMaxVerStr);
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief haveLiteChange we have unsaved change.
 */
void VAbstractPattern::haveLiteChange()
{
    emit patternChanged(false);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::NeedFullParsing()
{
    emit UndoCommand();
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::ClearScene()
{
    emit ClearMainWindow();
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::CheckInLayoutList()
{
    emit UpdateInLayoutList();
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SelectedDetail(quint32 id)
{
    emit ShowDetail(id);
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::UpdateVisiblityGroups()
{
    emit UpdateGroups();
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::ToolExists(const quint32 &id)
{
    if (tools.contains(id) == false)
    {
        throw VExceptionBadId(tr("Can't find tool in table."), id);
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ParsePathNodes(const QDomElement &domElement) -> VPiecePath
{
    VPiecePath path;
    const QDomNodeList nodeList = domElement.childNodes();
    for (qint32 i = 0; i < nodeList.size(); ++i)
    {
        const QDomElement element = nodeList.at(i).toElement();
        if (not element.isNull() && element.tagName() == VAbstractPattern::TagNode)
        {
            path.Append(ParseSANode(element));
        }
    }
    return path;
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief SetActivPP set current pattern piece.
 * @param name pattern peace name.
 */
void VAbstractPattern::SetActivPP(const QString &name)
{
    Q_ASSERT_X(not name.isEmpty(), Q_FUNC_INFO, "name pattern piece is empty");
    this->nameActivPP = name;
    emit ChangedActivPP(name);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::CheckTagExists(const QString &tag) -> QDomElement
{
    const QDomNodeList list = elementsByTagName(tag);
    QDomElement element;
    if (list.isEmpty())
    {
        const QStringList tags{
            TagUnit,              // 0
            TagImage,             // 1
            TagDescription,       // 2
            TagNotes,             // 3
            TagPatternName,       // 4
            TagPatternNum,        // 5
            TagCompanyName,       // 6
            TagCustomerName,      // 7
            TagCustomerBirthDate, // 8
            TagCustomerEmail,     // 9
            TagPatternLabel,      // 10
            TagPieceLabel,        // 11
            TagWatermark,         // 12
            TagPatternMaterials,  // 13
            TagFinalMeasurements, // 14
            TagBackgroundImages   // 15
        };

        switch (tags.indexOf(tag))
        {
            case 1: // TagImage
                element = createElement(TagImage);
                break;
            case 2: // TagDescription
                element = createElement(TagDescription);
                break;
            case 3: // TagNotes
                element = createElement(TagNotes);
                break;
            case 4: // TagPatternName
                element = createElement(TagPatternName);
                break;
            case 5: // TagPatternNum
                element = createElement(TagPatternNum);
                break;
            case 6: // TagCompanyName
                element = createElement(TagCompanyName);
                break;
            case 7: // TagCustomerName
                element = createElement(TagCustomerName);
                break;
            case 8: // TagCustomerBirthDate
                element = createElement(TagCustomerBirthDate);
                break;
            case 9: // TagCustomerEmail
                element = createElement(TagCustomerEmail);
                break;
            case 10: // TagPatternLabel
                element = createElement(TagPatternLabel);
                break;
            case 11: // TagPieceLabel
                element = createElement(TagPieceLabel);
                break;
            case 12: // TagWatermark
                element = createElement(TagWatermark);
                break;
            case 13: // TagPatternMaterials
                element = createElement(TagPatternMaterials);
                break;
            case 14: // TagFinalMeasurements
                element = createElement(TagFinalMeasurements);
                break;
            case 15: // TagBackgroundImages
                element = createElement(TagBackgroundImages);
                break;
            case 0: // TagUnit (Mandatory tag)
            default:
                return {};
        }
        InsertTag(tags, element);
        return element;
    }
    return list.at(0).toElement();
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::InsertTag(const QStringList &tags, const QDomElement &element)
{
    QDomElement pattern = documentElement();
    for (vsizetype i = tags.indexOf(element.tagName()) - 1; i >= 0; --i)
    {
        const QDomNodeList list = elementsByTagName(tags.at(i));
        if (not list.isEmpty())
        {
            pattern.insertAfter(element, list.at(0));
            break;
        }
    }
    SetVersion();
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetIndexActivPP() const -> int
{
    const QDomNodeList drawList = elementsByTagName(TagDraw);

    int index = 0;
    if (not drawList.isEmpty())
    {
        for (int i = 0; i < drawList.size(); ++i)
        {
            QDomElement node = drawList.at(i).toElement();
            if (node.attribute(AttrName) == nameActivPP)
            {
                index = i;
                break;
            }
        }
    }

    return index;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListIncrements() const -> QStringList
{
    QStringList increments;

    auto GetExpressions = [&increments, this](const QString &type)
    {
        const QDomNodeList list = elementsByTagName(type);
        for (int i = 0; i < list.size(); ++i)
        {
            const QString name = GetParametrEmptyString(list.at(i).toElement(), AttrName);
            if (not name.isEmpty())
            {
                increments.append(name);
            }
        }
    };

    GetExpressions(TagIncrement);
    GetExpressions(TagPreviewCalculations);

    return increments;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListExpressions() const -> QVector<VFormulaField>
{
    // If new tool bring absolutely new type and has formula(s) create new method to cover it.
    // Note. Tool Union Details also contains formulas, but we don't use them for union and keep only to simplifying
    // working with nodes. Same code for saving reading.
    auto futurePointExpressions = QtConcurrent::run([this]() { return ListPointExpressions(); });
    auto futureArcExpressions = QtConcurrent::run([this]() { return ListArcExpressions(); });
    auto futureElArcExpressions = QtConcurrent::run([this]() { return ListElArcExpressions(); });
    auto futureSplineExpressions = QtConcurrent::run([this]() { return ListSplineExpressions(); });
    auto futureIncrementExpressions = QtConcurrent::run([this]() { return ListIncrementExpressions(); });
    auto futureOperationExpressions = QtConcurrent::run([this]() { return ListOperationExpressions(); });
    auto futurePathExpressions = QtConcurrent::run([this]() { return ListPathExpressions(); });
    auto futurePieceExpressions = QtConcurrent::run([this]() { return ListPieceExpressions(); });
    auto futureFinalMeasurementsExpressions =
        QtConcurrent::run([this]() { return ListFinalMeasurementsExpressions(); });

    QVector<VFormulaField> list;
    list << futurePointExpressions.result();
    list << futureArcExpressions.result();
    list << futureElArcExpressions.result();
    list << futureSplineExpressions.result();
    list << futureIncrementExpressions.result();
    list << futureOperationExpressions.result();
    list << futurePathExpressions.result();
    list << futurePieceExpressions.result();
    list << futureFinalMeasurementsExpressions.result();

    return list;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListPointExpressions() const -> QVector<VFormulaField>
{
    // Check if new tool doesn't bring new attribute with a formula.
    // If no just increment a number.
    // If new tool bring absolutely new type and has formula(s) create new method to cover it.
    Q_STATIC_ASSERT(static_cast<int>(Tool::LAST_ONE_DO_NOT_USE) == 59);

    QVector<VFormulaField> expressions;
    const QDomNodeList list = elementsByTagName(TagPoint);
    for (int i = 0; i < list.size(); ++i)
    {
        const QDomElement dom = list.at(i).toElement();

        // Each tag can contains several attributes.
        ReadExpressionAttribute(expressions, dom, AttrLength);
        ReadExpressionAttribute(expressions, dom, AttrAngle);
        ReadExpressionAttribute(expressions, dom, AttrC1Radius);
        ReadExpressionAttribute(expressions, dom, AttrC2Radius);
        ReadExpressionAttribute(expressions, dom, AttrCRadius);
        ReadExpressionAttribute(expressions, dom, AttrRadius);
        ReadExpressionAttribute(expressions, dom, AttrWidth);
        ReadExpressionAttribute(expressions, dom, AttrHeight);
    }

    return expressions;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListArcExpressions() const -> QVector<VFormulaField>
{
    // Check if new tool doesn't bring new attribute with a formula.
    // If no just increment number.
    // If new tool bring absolutely new type and has formula(s) create new method to cover it.
    Q_STATIC_ASSERT(static_cast<int>(Tool::LAST_ONE_DO_NOT_USE) == 59);

    QVector<VFormulaField> expressions;
    const QDomNodeList list = elementsByTagName(TagArc);
    for (int i = 0; i < list.size(); ++i)
    {
        const QDomElement dom = list.at(i).toElement();

        // Each tag can contains several attributes.
        ReadExpressionAttribute(expressions, dom, AttrAngle1);
        ReadExpressionAttribute(expressions, dom, AttrAngle2);
        ReadExpressionAttribute(expressions, dom, AttrRadius);
        ReadExpressionAttribute(expressions, dom, AttrLength);
    }

    return expressions;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListElArcExpressions() const -> QVector<VFormulaField>
{
    // Check if new tool doesn't bring new attribute with a formula.
    // If no just increment number.
    // If new tool bring absolutely new type and has formula(s) create new method to cover it.
    Q_STATIC_ASSERT(static_cast<int>(Tool::LAST_ONE_DO_NOT_USE) == 59);

    QVector<VFormulaField> expressions;
    const QDomNodeList list = elementsByTagName(TagElArc);
    for (int i = 0; i < list.size(); ++i)
    {
        const QDomElement dom = list.at(i).toElement();

        // Each tag can contains several attributes.
        ReadExpressionAttribute(expressions, dom, AttrRadius1);
        ReadExpressionAttribute(expressions, dom, AttrRadius2);
        ReadExpressionAttribute(expressions, dom, AttrAngle1);
        ReadExpressionAttribute(expressions, dom, AttrAngle2);
        ReadExpressionAttribute(expressions, dom, AttrRotationAngle);
    }

    return expressions;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListSplineExpressions() const -> QVector<VFormulaField>
{
    QVector<VFormulaField> expressions;
    expressions << ListPathPointExpressions();
    return expressions;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListPathPointExpressions() const -> QVector<VFormulaField>
{
    // Check if new tool doesn't bring new attribute with a formula.
    // If no just increment number.
    // If new tool bring absolutely new type and has formula(s) create new method to cover it.
    Q_STATIC_ASSERT(static_cast<int>(Tool::LAST_ONE_DO_NOT_USE) == 59);

    QVector<VFormulaField> expressions;
    const QDomNodeList list = elementsByTagName(AttrPathPoint);
    for (int i = 0; i < list.size(); ++i)
    {
        const QDomElement dom = list.at(i).toElement();

        // Each tag can contains several attributes.
        ReadExpressionAttribute(expressions, dom, AttrKAsm1);
        ReadExpressionAttribute(expressions, dom, AttrKAsm2);
        ReadExpressionAttribute(expressions, dom, AttrAngle);
    }

    return expressions;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListIncrementExpressions() const -> QVector<VFormulaField>
{
    QVector<VFormulaField> expressions;
    const QDomNodeList list = elementsByTagName(TagIncrement);
    for (int i = 0; i < list.size(); ++i)
    {
        const QDomElement dom = list.at(i).toElement();

        ReadExpressionAttribute(expressions, dom, AttrFormula);
    }

    return expressions;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListOperationExpressions() const -> QVector<VFormulaField>
{
    // Check if new tool doesn't bring new attribute with a formula.
    // If no just increment number.
    // If new tool bring absolutely new type and has formula(s) create new method to cover it.
    Q_STATIC_ASSERT(static_cast<int>(Tool::LAST_ONE_DO_NOT_USE) == 59);

    QVector<VFormulaField> expressions;
    const QDomNodeList list = elementsByTagName(TagOperation);
    for (int i = 0; i < list.size(); ++i)
    {
        const QDomElement dom = list.at(i).toElement();

        // Each tag can contains several attributes.
        ReadExpressionAttribute(expressions, dom, AttrAngle);
        ReadExpressionAttribute(expressions, dom, AttrLength);
    }

    return expressions;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListNodesExpressions(const QDomElement &nodes) const -> QVector<VFormulaField>
{
    // Check if new tool doesn't bring new attribute with a formula.
    // If no just increment number.
    // If new tool bring absolutely new type and has formula(s) create new method to cover it.
    Q_STATIC_ASSERT(static_cast<int>(Tool::LAST_ONE_DO_NOT_USE) == 59);

    QVector<VFormulaField> expressions;

    const QDomNodeList nodeList = nodes.childNodes();
    for (qint32 i = 0; i < nodeList.size(); ++i)
    {
        const QDomElement element = nodeList.at(i).toElement();
        if (not element.isNull() && element.tagName() == VAbstractPattern::TagNode)
        {
            ReadExpressionAttribute(expressions, element, VAbstractPattern::AttrSABefore);
            ReadExpressionAttribute(expressions, element, VAbstractPattern::AttrSAAfter);
            ReadExpressionAttribute(expressions, element, VAbstractPattern::AttrPassmarkLength);
        }
    }
    return expressions;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListPathExpressions() const -> QVector<VFormulaField>
{
    // Check if new tool doesn't bring new attribute with a formula.
    // If no just increment number.
    // If new tool bring absolutely new type and has formula(s) create new method to cover it.
    Q_STATIC_ASSERT(static_cast<int>(Tool::LAST_ONE_DO_NOT_USE) == 59);

    QVector<VFormulaField> expressions;
    const QDomNodeList list = elementsByTagName(TagPath);
    for (int i = 0; i < list.size(); ++i)
    {
        const QDomElement dom = list.at(i).toElement();
        if (dom.isNull())
        {
            continue;
        }

        expressions << ListNodesExpressions(dom.firstChildElement(TagNodes));
    }

    return expressions;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListGrainlineExpressions(const QDomElement &element) const -> QVector<VFormulaField>
{
    QVector<VFormulaField> expressions;
    if (not element.isNull())
    {
        // Each tag can contains several attributes.
        ReadExpressionAttribute(expressions, element, AttrRotation);
        ReadExpressionAttribute(expressions, element, AttrLength);
    }

    return expressions;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListPieceExpressions() const -> QVector<VFormulaField>
{
    // Check if new tool doesn't bring new attribute with a formula.
    // If no just increment number.
    // If new tool bring absolutely new type and has formula(s) create new method to cover it.
    Q_STATIC_ASSERT(static_cast<int>(Tool::LAST_ONE_DO_NOT_USE) == 59);

    QVector<VFormulaField> expressions;
    const QDomNodeList list = elementsByTagName(TagDetail);
    for (int i = 0; i < list.size(); ++i)
    {
        const QDomElement dom = list.at(i).toElement();
        if (dom.isNull())
        {
            continue;
        }

        // Each tag can contains several attributes.
        ReadExpressionAttribute(expressions, dom, AttrWidth);

        expressions << ListNodesExpressions(dom.firstChildElement(TagNodes));
        expressions << ListGrainlineExpressions(dom.firstChildElement(TagGrainline));
    }

    return expressions;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ListFinalMeasurementsExpressions() const -> QVector<VFormulaField>
{
    QVector<VFormulaField> expressions;
    const QDomNodeList list = elementsByTagName(TagFMeasurement);
    for (int i = 0; i < list.size(); ++i)
    {
        const QDomElement dom = list.at(i).toElement();
        if (dom.isNull())
        {
            continue;
        }

        // Each tag can contains several attributes.
        ReadExpressionAttribute(expressions, dom, AttrFormula);
    }

    return expressions;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::IsVariable(const QString &token) -> bool
{
    for (const auto &var : BuilInVariables())
    {
        if (token.indexOf(var) == 0)
        {
            if (var == currentLength || var == currentSeamAllowance)
            {
                return token == var;
            }

            return true;
        }
    }

    return token.startsWith('#');
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::IsFunction(const QString &token) -> bool
{
    for (const auto &fn : BuilInFunctions())
    {
        if (token.indexOf(fn) == 0)
        {
            return true;
        }
    }

    return false;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ParseItemElement(const QDomElement &domElement) -> QPair<bool, QMap<quint32, quint32>>
{
    Q_ASSERT_X(not domElement.isNull(), Q_FUNC_INFO, "domElement is null");

    try
    {
        const bool visible = GetParametrBool(domElement, AttrVisible, trueStr);

        QMap<quint32, quint32> items;

        const QDomNodeList nodeList = domElement.childNodes();
        const qint32 num = nodeList.size();
        for (qint32 i = 0; i < num; ++i)
        {
            const QDomElement element = nodeList.at(i).toElement();
            if (not element.isNull() && element.tagName() == TagGroupItem)
            {
                const quint32 tool = GetParametrUInt(element, AttrTool, NULL_ID_STR);
                const quint32 object = GetParametrUInt(element, AttrObject, QString::number(tool));

                items.insert(object, tool);
            }
        }

        QPair<bool, QMap<quint32, quint32>> group;
        group.first = visible;
        group.second = items;

        return group;
    }
    catch (const VExceptionBadId &e)
    {
        VExceptionObjectError excep(QCoreApplication::translate("VAbstractPattern", "Error creating or updating group"),
                                    domElement);
        excep.AddMoreInformation(e.ErrorMessage());
        throw excep;
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetMaterials(const QDomElement &element) const -> QMap<int, QString>
{
    QMap<int, QString> materials;

    if (not element.isNull())
    {
        QDomElement tagMaterial = element.firstChildElement();
        while (tagMaterial.isNull() == false)
        {
            if (tagMaterial.tagName() == TagMaterial)
            {
                const int number = static_cast<int>(GetParametrUInt(tagMaterial, AttrNumber, QChar('0')));
                const QString name = GetParametrEmptyString(tagMaterial, AttrName);

                if (number > 0 && number <= userMaterialPlaceholdersQuantity)
                {
                    materials.insert(number, name);
                }
            }
            tagMaterial = tagMaterial.nextSiblingElement(TagMaterial);
        }
    }

    return materials;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetMaterials(QDomElement &element, const QMap<int, QString> &materials)
{
    if (not element.isNull())
    {
        QMap<int, QString>::const_iterator i = materials.constBegin();
        while (i != materials.constEnd())
        {
            QDomElement tagMaterial = createElement(TagMaterial);

            SetAttribute(tagMaterial, AttrNumber, i.key());
            SetAttribute(tagMaterial, AttrName, i.value());

            element.appendChild(tagMaterial);
            ++i;
        }
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetFMeasurements(const QDomElement &element) const -> QVector<VFinalMeasurement>
{
    QVector<VFinalMeasurement> measurements;

    if (not element.isNull())
    {
        QDomElement tagFMeasurement = element.firstChildElement();
        while (not tagFMeasurement.isNull())
        {
            if (tagFMeasurement.tagName() == TagFMeasurement)
            {
                VFinalMeasurement m;

                m.name = GetParametrString(tagFMeasurement, AttrName,
                                           QCoreApplication::translate("VAbstractPattern", "measurement"));
                m.formula = GetParametrString(tagFMeasurement, AttrFormula, QChar('0'));
                m.description = GetParametrEmptyString(tagFMeasurement, AttrDescription);

                measurements.append(m);
            }
            tagFMeasurement = tagFMeasurement.nextSiblingElement(TagFMeasurement);
        }
    }

    return measurements;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetFMeasurements(QDomElement &element, const QVector<VFinalMeasurement> &measurements)
{
    if (not element.isNull())
    {
        for (const auto &m : measurements)
        {
            QDomElement tagFMeasurement = createElement(TagFMeasurement);

            SetAttribute(tagFMeasurement, AttrName, m.name);
            SetAttribute(tagFMeasurement, AttrFormula, m.formula);
            SetAttributeOrRemoveIf<QString>(tagFMeasurement, AttrDescription, m.description,
                                            [](const QString &description) noexcept { return description.isEmpty(); });

            element.appendChild(tagFMeasurement);
        }
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetBackgroundPatternImage(const QDomElement &element) const -> VBackgroundPatternImage
{
    VBackgroundPatternImage image;
    image.SetId(QUuid(GetParametrEmptyString(element, AttrImageId)));
    QString path = GetParametrEmptyString(element, AttrPath);

    if (not path.isEmpty())
    {
        image.SetFilePath(path);
    }
    else
    {
        QString contentType = GetParametrEmptyString(element, AttrContentType);
        QByteArray contentData = element.text().toLatin1();
        image.SetContentData(contentData, contentType);
    }

    image.SetName(GetParametrEmptyString(element, AttrName));
    image.SetHold(GetParametrBool(element, AttrHold, falseStr));
    image.SetZValue(GetParametrUInt(element, AttrZValue, QChar('0')));
    image.SetVisible(GetParametrBool(element, AttrVisible, trueStr));

    VValentinaSettings *settings = VAbstractValApplication::VApp()->ValentinaSettings();
    image.SetOpacity(
        GetParametrDouble(element, AttrOpacity, QString::number(settings->GetBackgroundImageDefOpacity() / 100.)));

    QString matrix = GetParametrEmptyString(element, AttrTransform);
    image.SetMatrix(StringToTransfrom(matrix));

    return image;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetBackgroundImageElement(const QUuid &id) const -> QDomElement
{
    const QDomNodeList list = elementsByTagName(TagBackgroundImages);
    if (not list.isEmpty())
    {
        QDomElement imagesTag = list.at(0).toElement();
        if (not imagesTag.isNull())
        {
            QDomNode imageNode = imagesTag.firstChild();
            while (not imageNode.isNull())
            {
                if (imageNode.isElement())
                {
                    const QDomElement imageElement = imageNode.toElement();
                    if (not imageElement.isNull())
                    {
                        QUuid imageId = QUuid(GetParametrEmptyString(imageElement, AttrImageId));
                        if (imageId == id)
                        {
                            return imageElement;
                        }
                    }
                }
                imageNode = imageNode.nextSibling();
            }
        }
    }

    return {};
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::WriteBackgroundImage(QDomElement &element, const VBackgroundPatternImage &image)
{
    SetAttribute(element, AttrImageId, image.Id().toString());

    if (not image.FilePath().isEmpty())
    {
        SetAttribute(element, AttrPath, image.FilePath());
        element.removeAttribute(AttrContentType);
        setTagText(element, QString());
    }
    else
    {
        SetAttributeOrRemoveIf<QString>(element, AttrContentType, image.ContentType(),
                                        [](const QString &contentType) noexcept { return contentType.isEmpty(); });
        setTagText(element, image.ContentData());
        SetAttributeOrRemoveIf<QString>(element, AttrPath, image.FilePath(),
                                        [](const QString &path) noexcept { return path.isEmpty(); });
    }

    SetAttributeOrRemoveIf<QString>(element, AttrName, image.Name(),
                                    [](const QString &name) noexcept { return name.isEmpty(); });
    SetAttribute(element, AttrTransform, TransformToString(image.Matrix()));

    SetAttributeOrRemoveIf<bool>(element, AttrHold, image.Hold(), [](bool hold) noexcept { return not hold; });
    SetAttributeOrRemoveIf<qreal>(element, AttrZValue, image.ZValue(),
                                  [](qreal z) noexcept { return qFuzzyIsNull(z); });
    SetAttributeOrRemoveIf<bool>(element, AttrVisible, image.Visible(), [](bool visible) noexcept { return visible; });
    SetAttributeOrRemoveIf<qreal>(element, AttrOpacity, image.Opacity(),
                                  [](qreal o) noexcept { return VFuzzyComparePossibleNulls(o, 1); });
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief IsModified state of the document for cases that do not cover QUndoStack.
 * @return true if the document was modified without using QUndoStack.
 */
auto VAbstractPattern::IsModified() const -> bool
{
    return modified;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetModified(bool modified)
{
    this->modified = modified;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetDraw(const QString &name) const -> QDomElement
{
    const QDomNodeList draws = documentElement().elementsByTagName(TagDraw);
    for (int i = 0; i < draws.size(); ++i)
    {
        QDomElement draw = draws.at(i).toElement();
        if (draw.isNull())
        {
            continue;
        }

        if (draw.attribute(AttrName) == name)
        {
            return draw;
        }
    }
    return QDomElement();
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::CreateGroups(const QString &patternPieceName) -> QDomElement
{
    QDomElement draw;

    if (patternPieceName.isEmpty())
    {
        if (not GetActivDrawElement(draw))
        {
            return QDomElement();
        }
    }
    else
    {
        draw = GetPPElement(patternPieceName);
        if (not draw.isElement())
        {
            return QDomElement();
        }
    }

    QDomElement groups = draw.firstChildElement(TagGroups);

    if (groups.isNull())
    {
        groups = createElement(TagGroups);
        draw.appendChild(groups);
    }

    return groups;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::CreateGroup(quint32 id, const QString &name, const QStringList &tags,
                                   const QMap<quint32, quint32> &groupData, vidtype tool) -> QDomElement
{
    if (id == NULL_ID)
    {
        return QDomElement();
    }

    const QString preparedTags = PrepareGroupTags(tags);

    QDomElement group = createElement(TagGroup);
    SetAttribute(group, AttrId, id);
    SetAttribute(group, AttrName, name);
    SetAttribute(group, AttrVisible, true);
    SetAttributeOrRemoveIf<vidtype>(group, AttrTool, tool, [](vidtype tool) noexcept { return tool == null_id; });
    SetAttributeOrRemoveIf<QString>(group, AttrTags, preparedTags,
                                    [](const QString &preparedTags) noexcept { return preparedTags.isEmpty(); });

    auto i = groupData.constBegin();
    while (i != groupData.constEnd())
    {
        QDomElement item = createElement(TagGroupItem);
        item.setAttribute(AttrTool, i.value());
        SetAttributeOrRemoveIf<vidtype>(item, AttrObject, i.key(),
                                        [i](vidtype object) noexcept { return object == i.value(); });
        group.appendChild(item);
        ++i;
    }

    return group;
}
//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GroupLinkedToTool(vidtype toolId) const -> vidtype
{
    const QDomNodeList groups = elementsByTagName(TagGroup);
    for (int i = 0; i < groups.size(); ++i)
    {
        const QDomElement group = groups.at(i).toElement();
        if (not group.isNull() && group.hasAttribute(AttrTool))
        {
            const quint32 id = GetParametrUInt(group, AttrTool, NULL_ID_STR);

            if (toolId == id)
            {
                return GetParametrUInt(group, AttrId, NULL_ID_STR);
            }
        }
    }

    return null_id;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetGroupName(quint32 id) -> QString
{
    QString name = tr("New group");
    QDomElement group = elementById(id, TagGroup);
    if (group.isElement())
    {
        name = GetParametrString(group, AttrName, name);
    }

    return name;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetGroupName(quint32 id, const QString &name)
{
    QDomElement group = elementById(id, TagGroup);
    if (group.isElement())
    {
        group.setAttribute(AttrName, name);
        modified = true;
        emit patternChanged(false);
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetGroupTags(vidtype id) -> QStringList
{
    QStringList tags;
    QDomElement group = elementById(id, TagGroup);
    if (group.isElement())
    {
        tags = FilterGroupTags(GetParametrEmptyString(group, AttrTags));
    }

    return tags;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetGroupTags(quint32 id, const QStringList &tags)
{
    QDomElement group = elementById(id, TagGroup);
    if (group.isElement())
    {
        SetAttributeOrRemoveIf<QString>(group, AttrTags, tags.join(','),
                                        [](const QString &rawTags) noexcept { return rawTags.isEmpty(); });
        modified = true;
        emit patternChanged(false);
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetDimensionAValue() -> double
{
    QDomElement domElement = UniqueTag(TagMeasurements);
    if (not domElement.isNull())
    {
        return GetParametrDouble(domElement, AttrDimensionA, *dimensionDefValue);
    }

    qDebug() << "Can't save dimension A of measurements" << Q_FUNC_INFO;
    return -1;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetDimensionAValue(double value)
{
    QDomElement domElement = UniqueTag(TagMeasurements);
    if (not domElement.isNull())
    {
        SetAttribute(domElement, AttrDimensionA, value);
        modified = true;
        emit patternChanged(false);
    }
    else
    {
        qDebug() << "Can't save dimension A of measurements" << Q_FUNC_INFO;
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetDimensionBValue() -> double
{
    QDomElement domElement = UniqueTag(TagMeasurements);
    if (not domElement.isNull())
    {
        return GetParametrDouble(domElement, AttrDimensionB, *dimensionDefValue);
    }

    qDebug() << "Can't save dimension B of measurements" << Q_FUNC_INFO;
    return -1;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetDimensionBValue(double value)
{
    QDomElement domElement = UniqueTag(TagMeasurements);
    if (not domElement.isNull())
    {
        SetAttribute(domElement, AttrDimensionB, value);
        modified = true;
        emit patternChanged(false);
    }
    else
    {
        qDebug() << "Can't save dimension B of measurements" << Q_FUNC_INFO;
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetDimensionCValue() -> double
{
    QDomElement domElement = UniqueTag(TagMeasurements);
    if (not domElement.isNull())
    {
        return GetParametrDouble(domElement, AttrDimensionC, *dimensionDefValue);
    }

    qDebug() << "Can't save dimension C of measurements" << Q_FUNC_INFO;
    return -1;
}

//---------------------------------------------------------------------------------------------------------------------
void VAbstractPattern::SetDimensionCValue(double value)
{
    QDomElement domElement = UniqueTag(TagMeasurements);
    if (not domElement.isNull())
    {
        SetAttribute(domElement, AttrDimensionC, value);
        modified = true;
        emit patternChanged(false);
    }
    else
    {
        qDebug() << "Can't save dimension C of measurements" << Q_FUNC_INFO;
    }
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetGroupCategories() const -> QStringList
{
    QSet<QString> categories;

    const QDomNodeList groups = elementsByTagName(TagGroup);
    for (int i = 0; i < groups.size(); ++i)
    {
        const QDomElement group = groups.at(i).toElement();
        if (not group.isNull() && group.hasAttribute(AttrTags))
        {
            QStringList groupTags = VAbstractPattern::FilterGroupTags(GetParametrEmptyString(group, AttrTags));
            categories.unite(ConvertToSet<QString>(groupTags));
        }
    }

    return ConvertToList(categories);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetGroups(const QString &patternPieceName) -> QMap<quint32, VGroupData>
{
    QMap<quint32, VGroupData> data;

    try
    {
        QDomElement groups = CreateGroups(patternPieceName);
        if (not groups.isNull())
        {
            QDomNode domNode = groups.firstChild();
            while (not domNode.isNull())
            {
                if (domNode.isElement())
                {
                    const QDomElement group = domNode.toElement();
                    if (not group.isNull())
                    {
                        if (group.tagName() == TagGroup)
                        {
                            VGroupData groupData;
                            const quint32 id = GetParametrUInt(group, AttrId, QChar('0'));
                            groupData.visible = GetParametrBool(group, AttrVisible, trueStr);
                            groupData.name = GetParametrString(
                                group, AttrName, QCoreApplication::translate("VAbstractPattern", "New group"));
                            groupData.tags = FilterGroupTags(GetParametrEmptyString(group, AttrTags));
                            groupData.tool = GetParametrUInt(group, AttrTool, NULL_ID_STR);

                            QVector<QPair<quint32, quint32>> items;

                            const QDomNodeList nodeList = group.childNodes();
                            const qint32 num = nodeList.size();
                            for (qint32 i = 0; i < num; ++i)
                            {
                                const QDomElement element = nodeList.at(i).toElement();
                                if (not element.isNull() && element.tagName() == TagGroupItem)
                                {
                                    const quint32 tool = GetParametrUInt(element, AttrTool, NULL_ID_STR);
                                    const quint32 object = GetParametrUInt(element, AttrObject, QString::number(tool));

                                    items.append(QPair<quint32, quint32>(object, tool));
                                }
                            }

                            groupData.items = items;

                            data.insert(id, groupData);
                        }
                    }
                }
                domNode = domNode.nextSibling();
            }
        }
        else
        {
            qDebug("Can't get tag Groups.");
        }
    }
    catch (const VExceptionConversionError &)
    {
        return QMap<quint32, VGroupData>();
    }

    return data;
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief Returns the groups that contain or do not contain the item identified by the toolid and the objectid
 * @param toolId tool id
 * @param objectId object id
 * @param containItem |true if the groups have to contain the given item, false if they musn't contain the item
 * @return groups that contain or do not contain the item identified by the toolid and the objectid
 */
auto VAbstractPattern::GetGroupsContainingItem(quint32 toolId, quint32 objectId, bool containItem)
    -> QMap<quint32, QString>
{
    QMap<quint32, QString> data;

    if (objectId == 0)
    {
        objectId = toolId;
    }

    // TODO : order in alphabetical order

    QDomElement groups = CreateGroups();
    if (not groups.isNull())
    {
        QDomNode domNode = groups.firstChild();
        while (domNode.isNull() == false) // iterate through the groups
        {
            if (domNode.isElement())
            {
                const QDomElement group = domNode.toElement();
                if (group.isNull() == false)
                {
                    if (group.tagName() == TagGroup)
                    {
                        bool groupHasItem = GroupHasItem(group, toolId, objectId);
                        if ((containItem && groupHasItem) || (not containItem && not groupHasItem))
                        {
                            const quint32 groupId = GetParametrUInt(group, AttrId, QChar('0'));
                            const QString name = GetParametrString(
                                group, AttrName, QCoreApplication::translate("VAbstractPattern", "New group"));
                            data.insert(groupId, name);
                        }
                    }
                }
            }
            domNode = domNode.nextSibling();
        }
    }
    else
    {
        qDebug("Can't get tag Groups.");
    }

    return data;
}
//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief Checks if the given group has the item with the given toolId and objectId
 * @param groupDomElement group dom element
 * @param toolId tool id
 * @param objectId object id
 * @return true if the given group has the item with the given toolId and objectId
 */
auto VAbstractPattern::GroupHasItem(const QDomElement &groupDomElement, quint32 toolId, quint32 objectId) -> bool
{
    bool result = false;

    QDomNode itemNode = groupDomElement.firstChild();
    while (itemNode.isNull() == false) // iterate through the items of the group
    {
        if (itemNode.isElement())
        {
            const QDomElement item = itemNode.toElement();
            if (item.isNull() == false)
            {
                quint32 toolIdIterate = GetParametrUInt(item, AttrTool, QChar('0'));
                quint32 objectIdIterate = GetParametrUInt(item, AttrObject, QString::number(toolIdIterate));

                if (toolIdIterate == toolId && objectIdIterate == objectId)
                {
                    result = true;
                    break;
                }
            }
        }
        itemNode = itemNode.nextSibling();
    }
    return result;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ReadUnits() const -> Unit
{
    Unit units = StrToUnits(UniqueTagText(TagUnit, unitCM));

    if (units == Unit::Px)
    {
        units = Unit::Cm;
    }

    return units;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ReadPatternNumber() const -> QString
{
    return UniqueTagText(TagPatternNum);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ReadLabelDateFormat() const -> QString
{
    const QString globalLabelDateFormat = VAbstractApplication::VApp()->Settings()->GetLabelDateFormat();

    const QDomNodeList list = elementsByTagName(TagPatternLabel);
    if (list.isEmpty())
    {
        return globalLabelDateFormat;
    }

    QString labelDateFormat;

    try
    {
        labelDateFormat = GetParametrString(list.at(0).toElement(), AttrDateFormat);
    }
    catch (const VExceptionEmptyParameter &)
    {
        return globalLabelDateFormat;
    }
    return labelDateFormat;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ReadPatternName() const -> QString
{
    return UniqueTagText(TagPatternName);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ReadMPath() const -> QString
{
    QDomElement domElement = UniqueTag(TagMeasurements);
    if (not domElement.isNull())
    {
        return domElement.attribute(AttrPath);
    }

    return {};
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ReadWatermarkPath() const -> QString
{
    return UniqueTagText(TagWatermark);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::ReadCompanyName() const -> QString
{
    return UniqueTagText(TagCompanyName);
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief Adds an item to the given group with the given toolId and objectId
 * @param toolId tool id
 * @param objectId object id
 * @param groupId group id
 * @return group element
 */
auto VAbstractPattern::AddItemToGroup(quint32 toolId, quint32 objectId, quint32 groupId) -> QDomElement
{
    QDomElement group = elementById(groupId, TagGroup);

    if (not group.isNull())
    {
        if (objectId == 0)
        {
            objectId = toolId;
        }

        QDomElement item = createElement(TagGroupItem);
        item.setAttribute(AttrTool, toolId);
        SetAttributeOrRemoveIf<vidtype>(item, AttrObject, objectId,
                                        [toolId](vidtype object) noexcept { return object == toolId; });
        group.appendChild(item);

        // to signalised that the pattern was changed and need to be saved
        modified = true;
        emit patternChanged(false);

        // to update the group table of the gui
        emit UpdateGroups();

        // parse the groups to update the drawing, in case the item was added to an invisible group
        QDomElement groups = CreateGroups();
        if (not groups.isNull())
        {
            ParseGroups(groups);
        }

        return item;
    }

    qDebug() << "The group of id " << groupId << " doesn't exist";
    return QDomElement();
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief Removes the item of given toolId and objectId from the group of given groupId
 * @param toolId tool id
 * @param objectId object id
 * @param groupId group id
 * @return item element or null element is none
 */
auto VAbstractPattern::RemoveItemFromGroup(quint32 toolId, quint32 objectId, quint32 groupId) -> QDomElement
{
    QDomElement group = elementById(groupId, TagGroup);

    if (not group.isNull())
    {
        if (objectId == 0)
        {
            objectId = toolId;
        }

        QDomNode itemNode = group.firstChild();
        while (itemNode.isNull() == false) // iterate through the items of the group
        {
            if (itemNode.isElement())
            {
                const QDomElement item = itemNode.toElement();
                if (not item.isNull())
                {
                    quint32 toolIdIterate = GetParametrUInt(item, AttrTool, QChar('0'));
                    quint32 objectIdIterate = GetParametrUInt(item, AttrObject, QString::number(toolIdIterate));

                    if (toolIdIterate == toolId && objectIdIterate == objectId)
                    {
                        group.removeChild(itemNode);

                        // to signalised that the pattern was changed and need to be saved
                        modified = true;
                        emit patternChanged(false);

                        // to update the group table of the gui
                        emit UpdateGroups();

                        // parse the groups to update the drawing, in case the item was removed from an invisible group
                        QDomElement groups = CreateGroups();
                        if (not groups.isNull())
                        {
                            ParseGroups(groups);
                        }

                        return item;
                    }
                }
            }
            itemNode = itemNode.nextSibling();
        }
    }
    else
    {
        qDebug() << "The group of id " << groupId << " doesn't exist";
    }

    return QDomElement();
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetGroupVisibility(quint32 id) -> bool
{
    QDomElement group = elementById(id, TagGroup);
    if (group.isElement())
    {
        return GetParametrBool(group, AttrVisible, trueStr);
    }
    qDebug("Can't get group by id = %u.", id);
    return true;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::PieceDrawName(quint32 id) -> QString
{
    const QDomElement detail = elementById(id, VAbstractPattern::TagDetail);
    if (detail.isNull())
    {
        return QString();
    }

    const QDomElement draw = detail.parentNode().parentNode().toElement();
    if (draw.isNull() || not draw.hasAttribute(VAbstractPattern::AttrName))
    {
        return QString();
    }

    return draw.attribute(VAbstractPattern::AttrName);
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetCompleteData() const -> VContainer
{
    return VContainer(nullptr, nullptr, VContainer::UniqueNamespace());
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::GetCompletePPData(const QString &name) const -> VContainer
{
    Q_UNUSED(name)
    return VContainer(nullptr, nullptr, VContainer::UniqueNamespace());
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::Units() const -> Unit
{
    return m_units;
}

//---------------------------------------------------------------------------------------------------------------------
auto VAbstractPattern::FilterGroupTags(const QString &tags) -> QStringList
{
    if (tags.isEmpty())
    {
        return QStringList();
    }

    QStringList list = tags.split(',');
    for (auto &tag : list)
    {
        tag = tag.simplified();
    }

    list.removeAll("");

    return ConvertToList(ConvertToSet<QString>(list));
}