// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-FileCopyrightText: Copyright (c) Sandia Corporation
// SPDX-License-Identifier: BSD-3-Clause
#include "pqSeriesEditorPropertyWidget.h"
#include "ui_pqSeriesEditorPropertyWidget.h"

#include "pqActiveObjects.h"
#include "pqAnnotationsModel.h"
#include "pqPropertiesPanel.h"
#include "vtkCommand.h"
#include "vtkEventQtSlotConnect.h"
#include "vtkNew.h"
#include "vtkPVXMLElement.h"
#include "vtkSMChartSeriesSelectionDomain.h"
#include "vtkSMDoubleVectorProperty.h"
#include "vtkSMPropertyGroup.h"
#include "vtkSMPropertyHelper.h"
#include "vtkSMProxyProperty.h"
#include "vtkSMSessionProxyManager.h"
#include "vtkSMStringVectorProperty.h"
#include "vtkSMTransferFunctionProxy.h"
#include "vtkSetGet.h"
#include "vtkSmartPointer.h"
#include "vtkStringList.h"

#include <cassert>
#include <limits>

class pqSeriesAnnotationsModel : public pqAnnotationsModel
{
  // Enable the use of the tr() method in a class without Q_OBJECT macro
  Q_DECLARE_TR_FUNCTIONS(pqSeriesAnnotationsModel)
  typedef pqAnnotationsModel Superclass;

public:
  pqSeriesAnnotationsModel(QObject* parent = nullptr)
    : Superclass(parent)
  {
  }

  QVariant headerData(int section, Qt::Orientation orientation, int role) const override
  {
    if (orientation == Qt::Horizontal && (role == Qt::DisplayRole || role == Qt::ToolTipRole))
    {
      switch (section)
      {
        case VALUE:
          return role == Qt::DisplayRole ? tr("Variable") : tr("Series name");
        case VISIBILITY:
          return role == Qt::DisplayRole ? "" : tr("Toggle series visibility");
        case COLOR:
          return role == Qt::DisplayRole ? "" : tr("Set color to use for the series");
        case LABEL:
          return role == Qt::DisplayRole ? tr("Legend Name")
                                         : tr("Set the text to use for the series in the legend");
      }
    }

    return this->Superclass::headerData(section, orientation, role);
  }

  Qt::ItemFlags flags(const QModelIndex& idx) const override
  {
    auto value = this->Superclass::flags(idx);
    if (idx.column() == VALUE)
    {
      return value & ~Qt::ItemIsEditable;
    }

    return value;
  }

  void domainModified()
  {
    Q_EMIT this->dataChanged(
      this->index(0, 0), this->index(this->rowCount() - 1, NUMBER_OF_COLUMNS - 1));
  }
};

class pqSeriesEditorPropertyWidget::pqInternals
{
public:
  Ui::SeriesEditorPropertyWidget Ui;
  vtkNew<vtkEventQtSlotConnect> VTKConnector;
  QMap<QString, double> Thickness;
  QMap<QString, int> Style;
  QMap<QString, int> MarkerStyle;
  QMap<QString, double> MarkerSize;
  QMap<QString, int> PlotCorner;
  bool RefreshingWidgets;
  vtkSmartPointer<vtkSMTransferFunctionProxy> LookupTableProxy;
  pqSeriesAnnotationsModel* Model;
  QVector<int> PresetToSeriesMapping;

  pqInternals(pqSeriesEditorPropertyWidget* self)
    : RefreshingWidgets(false)
  {
    auto pxm = pqActiveObjects::instance().proxyManager();
    auto lutProxy =
      vtkSMTransferFunctionProxy::SafeDownCast(pxm->NewProxy("lookup_tables", "PVLookupTable"));
    this->LookupTableProxy.TakeReference(lutProxy);
    vtkSMPropertyHelper(lutProxy, "IndexedLookup").Set(1);

    this->Ui.setupUi(self);
    this->Ui.wdgLayout->setContentsMargins(pqPropertiesPanel::suggestedMargin(),
      pqPropertiesPanel::suggestedMargin(), pqPropertiesPanel::suggestedMargin(),
      pqPropertiesPanel::suggestedMargin());
    this->Ui.wdgLayout->setHorizontalSpacing(pqPropertiesPanel::suggestedHorizontalSpacing());
    this->Ui.wdgLayout->setVerticalSpacing(pqPropertiesPanel::suggestedVerticalSpacing());

    // give infinite maximum to line thickness and marker size
    this->Ui.MarkerSize->setMaximum(std::numeric_limits<double>::infinity());
    this->Ui.Thickness->setMaximum(std::numeric_limits<double>::infinity());

    this->Ui.SeriesTable->setLookupTableProxy(this->LookupTableProxy);
    this->Model = new pqSeriesAnnotationsModel(self);
    this->Ui.SeriesTable->setAnnotationsModel(this->Model);
    this->Ui.SeriesTable->setSupportsReorder(false);
    this->Ui.SeriesTable->allowsUserDefinedValues(false);
    this->Ui.SeriesTable->allowsRegexpMatching(true);
    this->Ui.SeriesTable->supportsOpacityMapping(false);
    this->Ui.SeriesTable->setColumnVisibility(pqAnnotationsModel::VISIBILITY, true);
    this->Ui.SeriesTable->setColumnVisibility(pqAnnotationsModel::OPACITY, true);
  }
};
//=============================================================================

//-----------------------------------------------------------------------------
pqSeriesEditorPropertyWidget::pqSeriesEditorPropertyWidget(
  vtkSMProxy* smproxy, vtkSMPropertyGroup* smgroup, QWidget* parentObject)
  : Superclass(smproxy, parentObject)
  , Internals(nullptr)
{
  vtkSMProperty* visibilityProperty = smgroup->GetProperty("SeriesVisibility");
  if (!visibilityProperty)
  {
    qCritical("SeriesVisibility property is required by pqSeriesEditorPropertyWidget."
              " This widget is not going to work.");
    return;
  }

  this->Internals = new pqInternals(this);

  auto visDomain = visibilityProperty->FindDomain<vtkSMChartSeriesSelectionDomain>();
  this->Internals->Model->setVisibilityDomain(visDomain);

  Ui::SeriesEditorPropertyWidget& ui = this->Internals->Ui;

  this->Internals->VTKConnector->Connect(smgroup->GetProperty("SeriesVisibility"),
    vtkCommand::DomainModifiedEvent, this, SLOT(domainModified(vtkObject*)));

  if (smgroup->GetProperty("SeriesLabel"))
  {
    this->addPropertyLink(this, "presetLabel", SIGNAL(presetLabelChanged()),
      this->Internals->LookupTableProxy->GetProperty("Annotations"));

    this->addPropertyLink(
      this, "seriesLabel", SIGNAL(seriesLabelChanged()), smgroup->GetProperty("SeriesLabel"));

    // Trigger an update of the internal lut
    Q_EMIT this->presetLabelChanged();
    this->apply();
  }
  else
  {
    ui.SeriesTable->setColumnVisibility(pqAnnotationsModel::LABEL, false);
  }

  this->addPropertyLink(this, "seriesVisibility", SIGNAL(seriesVisibilityChanged()),
    smgroup->GetProperty("SeriesVisibility"));

  if (smgroup->GetProperty("SeriesColor"))
  {
    this->addPropertyLink(this, "presetColor", SIGNAL(presetColorChanged()),
      this->Internals->LookupTableProxy->GetProperty("IndexedColors"));

    this->addPropertyLink(
      this, "seriesColor", SIGNAL(seriesColorChanged()), smgroup->GetProperty("SeriesColor"));

    // Trigger an update of the internal lut
    Q_EMIT this->presetColorChanged();
    this->apply();
  }
  else
  {
    ui.SeriesTable->setColumnVisibility(pqAnnotationsModel::COLOR, false);
  }

  if (smgroup->GetProperty("SeriesOpacity"))
  {
    this->addPropertyLink(
      this, "seriesOpacity", SIGNAL(seriesOpacityChanged()), smgroup->GetProperty("SeriesOpacity"));
  }
  else
  {
    ui.SeriesTable->setColumnVisibility(pqAnnotationsModel::OPACITY, false);
  }

  if (smgroup->GetProperty("SeriesLineThickness"))
  {
    this->addPropertyLink(this, "seriesLineThickness", SIGNAL(seriesLineThicknessChanged()),
      smgroup->GetProperty("SeriesLineThickness"));
  }
  else
  {
    ui.ThicknessLabel->hide();
    ui.Thickness->hide();
  }

  if (smgroup->GetProperty("SeriesLineStyle"))
  {
    this->addPropertyLink(this, "seriesLineStyle", SIGNAL(seriesLineStyleChanged()),
      smgroup->GetProperty("SeriesLineStyle"));
  }
  else
  {
    ui.StyleListLabel->hide();
    ui.StyleList->hide();
  }

  if (smgroup->GetProperty("SeriesMarkerStyle"))
  {
    this->addPropertyLink(this, "seriesMarkerStyle", SIGNAL(seriesMarkerStyleChanged()),
      smgroup->GetProperty("SeriesMarkerStyle"));
  }
  else
  {
    ui.MarkerStyleListLabel->hide();
    ui.MarkerStyleList->hide();
  }

  if (smgroup->GetProperty("SeriesMarkerSize"))
  {
    this->addPropertyLink(this, "seriesMarkerSize", SIGNAL(seriesMarkerSizeChanged()),
      smgroup->GetProperty("SeriesMarkerSize"));
  }
  else
  {
    ui.MarkerSizeLabel->hide();
    ui.MarkerSize->hide();
  }

  if (smgroup->GetProperty("SeriesPlotCorner"))
  {
    this->addPropertyLink(this, "seriesPlotCorner", SIGNAL(seriesPlotCornerChanged()),
      smgroup->GetProperty("SeriesPlotCorner"));
  }
  else
  {
    ui.AxisListLabel->hide();
    ui.AxisList->hide();
  }

  this->connect(ui.Thickness, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
    &pqSeriesEditorPropertyWidget::savePropertiesWidgets);
  this->connect(ui.StyleList, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
    &pqSeriesEditorPropertyWidget::savePropertiesWidgets);
  this->connect(ui.MarkerStyleList, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
    &pqSeriesEditorPropertyWidget::savePropertiesWidgets);
  this->connect(ui.MarkerSize, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
    &pqSeriesEditorPropertyWidget::savePropertiesWidgets);
  this->connect(ui.AxisList, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
    &pqSeriesEditorPropertyWidget::savePropertiesWidgets);

  this->connect(ui.SeriesTable, &pqColorAnnotationsWidget::indexedColorsChanged, this,
    &pqSeriesEditorPropertyWidget::seriesColorChanged);
  this->connect(ui.SeriesTable, &pqColorAnnotationsWidget::indexedColorsChanged, this,
    &pqSeriesEditorPropertyWidget::presetColorChanged);
  this->connect(ui.SeriesTable, &pqColorAnnotationsWidget::indexedOpacitiesChanged, this,
    &pqSeriesEditorPropertyWidget::seriesOpacityChanged);

  this->connect(ui.SeriesTable, &pqColorAnnotationsWidget::presetChanged, this,
    &pqSeriesEditorPropertyWidget::onPresetChanged);
  this->connect(ui.SeriesTable, &pqColorAnnotationsWidget::annotationsChanged, this,
    &pqSeriesEditorPropertyWidget::seriesLabelChanged);
  this->connect(ui.SeriesTable, &pqColorAnnotationsWidget::visibilitiesChanged, this,
    &pqSeriesEditorPropertyWidget::seriesVisibilityChanged);

  this->connect(ui.SeriesTable, &pqColorAnnotationsWidget::selectionChanged, this,
    &pqSeriesEditorPropertyWidget::refreshPropertiesWidgets);

  auto lastNameProp = smgroup->GetProperty("LastPresetName");
  if (!lastNameProp)
  {
    ui.SeriesTable->enablePresets(false);
  }
  else
  {
    auto name = vtkSMPropertyHelper(lastNameProp).GetAsString();
    this->Internals->Ui.SeriesTable->setCurrentPresetName(name);
  }
}

//-----------------------------------------------------------------------------
pqSeriesEditorPropertyWidget::~pqSeriesEditorPropertyWidget()
{
  delete this->Internals;
  this->Internals = nullptr;
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::setSeriesVisibility(const QList<QVariant>& values)
{
  this->Internals->Ui.SeriesTable->setVisibilities(values);
}

//-----------------------------------------------------------------------------
QList<QVariant> pqSeriesEditorPropertyWidget::seriesVisibility() const
{
  return this->Internals->Ui.SeriesTable->visibilities();
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::setPresetLabel(const QList<QVariant>& vtkNotUsed(values))
{
  // handle by `onPresetChanged`.
}

//-----------------------------------------------------------------------------
QList<QVariant> pqSeriesEditorPropertyWidget::presetLabel() const
{
  return this->Internals->Ui.SeriesTable->annotations();
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::setSeriesLabel(const QList<QVariant>& values)
{
  this->Internals->Ui.SeriesTable->setAnnotations(values);
}

//-----------------------------------------------------------------------------
QList<QVariant> pqSeriesEditorPropertyWidget::seriesLabel() const
{
  return this->Internals->Ui.SeriesTable->annotations();
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::setPresetColor(const QList<QVariant>& vtkNotUsed(values))
{
  // handle by `onPresetChanged`.
}

//-----------------------------------------------------------------------------
QList<QVariant> pqSeriesEditorPropertyWidget::seriesOpacity() const
{
  const QList<QVariant>& opacities = this->Internals->Ui.SeriesTable->indexedOpacities();
  const QList<QVariant>& labels = this->seriesLabel();

  QList<QVariant> reply;
  for (int i = 0; i < opacities.size(); i++)
  {
    // "labels" is a list of QVariant corresponding to an alternation of
    // "AnnotationItem" values and labels. Here we retrieve only the labels.
    reply.push_back(labels[2 * i]);
    reply.push_back(opacities[i]);
  }
  return reply;
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::setSeriesOpacity(const QList<QVariant>& values)
{
  QList<QVariant> opacities;
  // "values" is a list of QVariant corresponding to an alternation of serie labels
  // and corresonding opacitiy values. Here we retrieve only the opacities values.
  for (int i = 1; i < values.size(); i += 2)
  {
    opacities.push_back(values[i]);
  }

  this->Internals->Ui.SeriesTable->setIndexedOpacities(opacities);
}

//-----------------------------------------------------------------------------
QList<QVariant> pqSeriesEditorPropertyWidget::presetColor() const
{
  return this->Internals->Ui.SeriesTable->indexedColors();
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::setSeriesColor(const QList<QVariant>& values)
{
  // values has the format 'name r g b name r g b ...'
  QList<QVariant> colors;
  for (int cc = 0; cc < values.size(); cc++)
  {
    if (cc % 4 != 0)
    {
      colors.push_back(values[cc]);
    }
  }

  this->Internals->Ui.SeriesTable->setIndexedColors(colors);
}

//-----------------------------------------------------------------------------
QList<QVariant> pqSeriesEditorPropertyWidget::seriesColor() const
{
  const QList<QVariant>& colors = this->Internals->Ui.SeriesTable->indexedColors();
  const QList<QVariant>& labels = this->seriesLabel();

  QList<QVariant> reply;
  for (int cc = 0; cc < colors.size() / 3; cc++)
  {
    reply.push_back(labels[2 * cc]);
    reply.push_back(colors[3 * cc]);
    reply.push_back(colors[3 * cc + 1]);
    reply.push_back(colors[3 * cc + 2]);
  }
  return reply;
}

namespace
{
template <class T>
void setSeriesValues(QMap<QString, T>& data, const QList<QVariant>& values)
{
  data.clear();
  for (int cc = 0; (cc + 1) < values.size(); cc += 2)
  {
    data[values[cc].toString()] = values[cc + 1].value<T>();
  }
}

template <class T>
void getSeriesValues(const QMap<QString, T>& data, QList<QVariant>& reply)
{
  typename QMap<QString, T>::const_iterator iter = data.constBegin();
  for (; iter != data.constEnd(); ++iter)
  {
    reply.push_back(iter.key());
    reply.push_back(QString::number(iter.value()));
  }
}
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::setSeriesLineThickness(const QList<QVariant>& values)
{
  setSeriesValues<double>(this->Internals->Thickness, values);
  this->refreshPropertiesWidgets();
}

//-----------------------------------------------------------------------------
QList<QVariant> pqSeriesEditorPropertyWidget::seriesLineThickness() const
{
  QList<QVariant> reply;
  getSeriesValues<double>(this->Internals->Thickness, reply);
  return reply;
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::setSeriesLineStyle(const QList<QVariant>& values)
{
  setSeriesValues<int>(this->Internals->Style, values);
  this->refreshPropertiesWidgets();
}

//-----------------------------------------------------------------------------
QList<QVariant> pqSeriesEditorPropertyWidget::seriesLineStyle() const
{
  QList<QVariant> reply;
  getSeriesValues(this->Internals->Style, reply);
  return reply;
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::setSeriesMarkerStyle(const QList<QVariant>& values)
{
  setSeriesValues<int>(this->Internals->MarkerStyle, values);
  this->refreshPropertiesWidgets();
}

//-----------------------------------------------------------------------------
QList<QVariant> pqSeriesEditorPropertyWidget::seriesMarkerStyle() const
{
  QList<QVariant> reply;
  getSeriesValues(this->Internals->MarkerStyle, reply);
  return reply;
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::setSeriesMarkerSize(const QList<QVariant>& values)
{
  setSeriesValues<double>(this->Internals->MarkerSize, values);
  this->refreshPropertiesWidgets();
}

//-----------------------------------------------------------------------------
QList<QVariant> pqSeriesEditorPropertyWidget::seriesMarkerSize() const
{
  QList<QVariant> reply;
  getSeriesValues<double>(this->Internals->MarkerSize, reply);
  return reply;
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::setSeriesPlotCorner(const QList<QVariant>& values)
{
  setSeriesValues<int>(this->Internals->PlotCorner, values);
  this->refreshPropertiesWidgets();
}

//-----------------------------------------------------------------------------
QList<QVariant> pqSeriesEditorPropertyWidget::seriesPlotCorner() const
{
  QList<QVariant> reply;
  getSeriesValues(this->Internals->PlotCorner, reply);
  return reply;
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::refreshPropertiesWidgets()
{
  Ui::SeriesEditorPropertyWidget& ui = this->Internals->Ui;

  QString key = ui.SeriesTable->currentAnnotationValue();

  if (key.isEmpty())
  {
    // nothing is selected, disable all properties widgets.
    ui.AxisList->setEnabled(false);
    ui.MarkerStyleList->setEnabled(false);
    ui.MarkerSize->setEnabled(false);
    ui.StyleList->setEnabled(false);
    ui.Thickness->setEnabled(false);
    return;
  }

  this->Internals->RefreshingWidgets = true;
  ui.Thickness->setValue(this->Internals->Thickness[key]);
  ui.Thickness->setEnabled(true);

  ui.StyleList->setCurrentIndex(this->Internals->Style[key]);
  ui.StyleList->setEnabled(true);

  ui.MarkerStyleList->setCurrentIndex(this->Internals->MarkerStyle[key]);
  ui.MarkerStyleList->setEnabled(true);

  ui.MarkerSize->setValue(this->Internals->MarkerSize[key]);
  ui.MarkerSize->setEnabled(true);

  ui.AxisList->setCurrentIndex(this->Internals->PlotCorner[key]);
  ui.AxisList->setEnabled(true);
  this->Internals->RefreshingWidgets = false;
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::savePropertiesWidgets()
{
  if (this->Internals->RefreshingWidgets)
  {
    return;
  }

  Ui::SeriesEditorPropertyWidget& ui = this->Internals->Ui;

  QWidget* senderWidget = qobject_cast<QWidget*>(this->sender());
  assert(senderWidget);

  QStringList selectedAnnotations = ui.SeriesTable->selectedAnnotations();

  for (const auto& key : selectedAnnotations)
  {
    // update the parameter corresponding to the modified widget.
    if (ui.Thickness == senderWidget && this->Internals->Thickness[key] != ui.Thickness->value())
    {
      this->Internals->Thickness[key] = ui.Thickness->value();
      Q_EMIT this->seriesLineThicknessChanged();
    }
    else if (ui.StyleList == senderWidget &&
      this->Internals->Style[key] != ui.StyleList->currentIndex())
    {
      this->Internals->Style[key] = ui.StyleList->currentIndex();
      Q_EMIT this->seriesLineStyleChanged();
    }
    else if (ui.MarkerStyleList == senderWidget &&
      this->Internals->MarkerStyle[key] != ui.MarkerStyleList->currentIndex())
    {
      this->Internals->MarkerStyle[key] = ui.MarkerStyleList->currentIndex();
      Q_EMIT this->seriesMarkerStyleChanged();
    }
    else if (ui.MarkerSize == senderWidget &&
      this->Internals->MarkerSize[key] != ui.MarkerSize->value())
    {
      this->Internals->MarkerSize[key] = ui.MarkerSize->value();
      Q_EMIT this->seriesMarkerSizeChanged();
    }
    else if (ui.AxisList == senderWidget &&
      this->Internals->PlotCorner[key] != ui.AxisList->currentIndex())
    {
      this->Internals->PlotCorner[key] = ui.AxisList->currentIndex();
      Q_EMIT this->seriesPlotCornerChanged();
    }
  }
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::domainModified(vtkObject*)
{
  this->Internals->Model->domainModified();
}

//-----------------------------------------------------------------------------
void pqSeriesEditorPropertyWidget::onPresetChanged(const QString& name)
{
  auto annotationsProp = vtkSMStringVectorProperty::SafeDownCast(
    this->Internals->LookupTableProxy->GetProperty("Annotations"));
  auto colorsProp = vtkSMDoubleVectorProperty::SafeDownCast(
    this->Internals->LookupTableProxy->GetProperty("IndexedColors"));

  if (!annotationsProp || !colorsProp || colorsProp->GetNumberOfElements() == 0)
  {
    vtkWarningWithObjectMacro(
      nullptr, "Cannot find Annotations or IndexedColors property for series.");
    return;
  }

  vtkNew<vtkStringList> presetAnnotations;
  annotationsProp->GetElements(presetAnnotations);

  const QList<QVariant>& currentAnnotations = this->Internals->Ui.SeriesTable->annotations();
  QList<QVariant> newAnnotations = currentAnnotations;
  QList<QVariant> newColors;

  // create a set of lists with preset values filtered through the given regexp.
  QMap<QStringList, int> filteredPresetStringLists;
  QRegularExpression regexp = this->Internals->Ui.SeriesTable->presetRegularExpression();
  for (int j = 0; j < presetAnnotations->GetNumberOfStrings(); j += 2)
  {
    auto presetStringList = QStringList(presetAnnotations->GetString(j));
    if (regexp.isValid() && !regexp.pattern().isEmpty())
    {
      auto presetMatching = regexp.match(presetAnnotations->GetString(j));
      if (presetMatching.hasMatch())
      {
        presetStringList = presetMatching.capturedTexts();
        if (presetStringList.count() > 1)
        {
          // Remove the full match when capturing groups
          presetStringList.removeFirst();
        }
      }
    }
    filteredPresetStringLists.insert(presetStringList, j);
  }

  // We want to keep current order.
  for (int i = 0; i + 1 < currentAnnotations.size(); i += 2)
  {
    int idx = -1;
    if (presetAnnotations->GetLength() > 0)
    {
      QByteArray nameArray = currentAnnotations.at(i).toString().toUtf8();
      const char* seriesName = nameArray.data();

      auto seriesStringlist = QStringList(seriesName);
      if (regexp.isValid() && !regexp.pattern().isEmpty())
      {
        auto matching = regexp.match(seriesName);
        if (matching.hasMatch())
        {
          seriesStringlist = matching.capturedTexts();
          if (seriesStringlist.count() > 1)
          {
            // Remove the full match when capturing groups
            seriesStringlist.removeFirst();
          }
        }
      }

      if (filteredPresetStringLists.contains(seriesStringlist))
      {
        idx = filteredPresetStringLists[seriesStringlist] / 2;
      }

      // if found, update annotation legend
      if (this->Internals->Ui.SeriesTable->presetLoadAnnotations() && idx > -1 &&
        (idx + 1) < presetAnnotations->GetLength())
      {
        newAnnotations[i + 1] = presetAnnotations->GetString(2 * idx + 1);
      }
    }

    if (idx == -1)
    {
      idx = i / 2;
    }

    newColors.push_back(QVariant(currentAnnotations.at(i)));

    idx = idx % (colorsProp->GetNumberOfElements() / 3);
    newColors.push_back(vtkSMPropertyHelper(colorsProp).GetAsDouble(3 * idx));
    newColors.push_back(vtkSMPropertyHelper(colorsProp).GetAsDouble(3 * idx + 1));
    newColors.push_back(vtkSMPropertyHelper(colorsProp).GetAsDouble(3 * idx + 2));
  }

  this->setSeriesColor(newColors);
  if (this->Internals->Ui.SeriesTable->presetLoadAnnotations())
  {
    this->setSeriesLabel(newAnnotations);
  }

  auto presetProp = this->proxy()->GetProperty("LastPresetName");
  vtkSMPropertyHelper(presetProp).Set(name.toStdString().c_str());
}
