/*=========================================================================

   Program: ParaView
   Module:    pqQueryClauseWidget.cxx

   Copyright (c) 2005,2006 Sandia Corporation, Kitware Inc.
   All rights reserved.

   ParaView is a free software; you can redistribute it and/or modify it
   under the terms of the ParaView license version 1.2.

   See License_v1.2.txt for the full ParaView license.
   A copy of this license can be obtained by contacting
   Kitware Inc.
   28 Corporate Drive
   Clifton Park, NY 12065
   USA

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

========================================================================*/
#include "pqQueryClauseWidget.h"
#include "ui_pqQueryClauseWidget.h"
#include "ui_pqQueryCompositeTreeDialog.h"

#include "pqCompositeDataInformationTreeModel.h"
#include "pqHelpWindow.h"
#include "pqOutputPort.h"
#include "pqPipelineSource.h"
#include "pqServer.h"
#include "vtkDataObject.h"
#include "vtkPVArrayInformation.h"
#include "vtkPVDataInformation.h"
#include "vtkPVDataSetAttributesInformation.h"
#include "vtkQuerySelectionSource.h"
#include "vtkSMCompositeTreeDomain.h"
#include "vtkSMCoreUtilities.h"
#include "vtkSMPropertyHelper.h"
#include "vtkSMProxyManager.h"
#include "vtkSMSelectionHelper.h"
#include "vtkSMSessionProxyManager.h"
#include "vtkSMSourceProxy.h"
#include "vtkSelectionNode.h"

#include <QDebug>
#include <QMap>

namespace
{
class SCOPED_BLOCK_SIGNALS
{
  QPointer<QObject> Object;
  bool PreBlockSignals;

public:
  SCOPED_BLOCK_SIGNALS(QObject* obj, bool newval = true)
    : Object(obj)
    , PreBlockSignals(false)
  {
    if (obj)
    {
      this->PreBlockSignals = obj->blockSignals(newval);
    }
  }
  ~SCOPED_BLOCK_SIGNALS()
  {
    if (this->Object)
    {
      this->Object->blockSignals(this->PreBlockSignals);
    }
  }
};

bool isAMR(vtkPVDataInformation* dinfo)
{
  switch (dinfo->GetCompositeDataSetType())
  {
    case VTK_HIERARCHICAL_BOX_DATA_SET:
    case VTK_HIERARCHICAL_DATA_SET:
    case VTK_UNIFORM_GRID_AMR:
    case VTK_NON_OVERLAPPING_AMR:
    case VTK_OVERLAPPING_AMR:
      return true;
  }
  return false;
}

bool isMultiBlock(vtkPVDataInformation* dinfo)
{
  return dinfo->GetCompositeDataSetType() == VTK_MULTIBLOCK_DATA_SET;
}
}

// BUG #13806, remove collective operations temporarily since they don't work
// for composite datasets (esp. in parallel) as expected.
//#define REMOVE_COLLECTIVE_CLAUSES

// Disable PROCESSID. This was cause major issues with collective operations.
#define REMOVE_PROCESSID

class pqQueryClauseWidget::pqInternals : public Ui::pqQueryClauseWidget
{
public:
  struct ArrayInfo
  {
    QString ArrayName;
    int ComponentNo;
    int NumberOfComponents;
    ArrayInfo(const QString& name, int comp, int num_comps)
      : ArrayName(name)
      , ComponentNo(comp)
      , NumberOfComponents(num_comps)
    {
    }
    ArrayInfo()
      : ComponentNo(0)
      , NumberOfComponents(1)
    {
    }
  };

  // key == index in the combo-box
  // value == array params.
  QMap<int, ArrayInfo> Arrays;
};

//-----------------------------------------------------------------------------
pqQueryClauseWidget::pqQueryClauseWidget(QWidget* parentObject, Qt::WindowFlags _flags)
  : Superclass(parentObject, _flags)
{
  this->AsQualifier = false;
  this->Internals = new pqInternals();
  this->Internals->setupUi(this);

  this->connect(this->Internals->showCompositeTree, SIGNAL(clicked()), SLOT(showCompositeTree()));

  this->connect(this->Internals->criteria, SIGNAL(currentIndexChanged(int)),
    SLOT(populateSelectionCondition()));
  this->connect(this->Internals->criteria, SIGNAL(currentIndexChanged(int)),
    SLOT(updateDependentClauseWidgets()));
  this->connect(
    this->Internals->condition, SIGNAL(currentIndexChanged(int)), SLOT(updateValueWidget()));

  if (qobject_cast<pqQueryClauseWidget*>(parentObject))
  {
    // don't show the separator line for sub-clauses.
    this->Internals->line->hide();
  }
}

//-----------------------------------------------------------------------------
pqQueryClauseWidget::~pqQueryClauseWidget()
{
  delete this->Internals;
}

//-----------------------------------------------------------------------------
vtkPVDataSetAttributesInformation* pqQueryClauseWidget::getChosenAttributeInfo() const
{
  vtkPVDataInformation* dataInfo = this->producer()->getDataInformation();
  return dataInfo->GetAttributeInformation(this->attributeType());
}

//-----------------------------------------------------------------------------
void pqQueryClauseWidget::initialize(
  pqQueryClauseWidget::CriteriaTypes type_flags, bool qualifier_mode)
{
  // this avoids calling callbacks as the combo boxes are updated. We
  // explicitly call those callbacks here once the combo boxes are populated.
  SCOPED_BLOCK_SIGNALS a(this->Internals->criteria);
  SCOPED_BLOCK_SIGNALS b(this->Internals->condition);

  this->AsQualifier = qualifier_mode;
  this->populateSelectionCriteria(type_flags);
  this->populateSelectionCondition();
  this->updateValueWidget();
  this->updateDependentClauseWidgets();
}

//-----------------------------------------------------------------------------
pqQueryClauseWidget::CriteriaType pqQueryClauseWidget::currentCriteriaType() const
{
  int criteria = this->Internals->criteria->currentIndex();
  if (criteria == -1)
  {
    return INVALID;
  }

  return static_cast<CriteriaType>(this->Internals->criteria->itemData(criteria).toInt());
}

//-----------------------------------------------------------------------------
pqQueryClauseWidget::ConditionMode pqQueryClauseWidget::currentConditionType() const
{
  int condition = this->Internals->condition->currentIndex();
  if (condition == -1)
  {
    return SINGLE_VALUE;
  }

  return static_cast<ConditionMode>(this->Internals->condition->itemData(condition).toInt());
}

//-----------------------------------------------------------------------------
void pqQueryClauseWidget::populateSelectionCriteria(pqQueryClauseWidget::CriteriaTypes type_flags)
{
  this->Internals->criteria->clear();
  this->Internals->Arrays.clear();

  if (type_flags & INDEX)
  {
    this->Internals->criteria->addItem("ID", INDEX);
  }

  vtkPVDataSetAttributesInformation* attrInfo = this->getChosenAttributeInfo();
  if (type_flags & GLOBALID)
  {
    // Do we have global ids?
    if (attrInfo->GetAttributeInformation(vtkDataSetAttributes::GLOBALIDS))
    {
      this->Internals->criteria->addItem("Global ID", GLOBALID);
      this->Internals->criteria->setCurrentIndex(this->Internals->criteria->count() - 1);
    }
  }

  if (type_flags & THRESHOLD)
  {
    // Now add the attribute arrays.
    for (int cc = 0; cc < attrInfo->GetNumberOfArrays(); cc++)
    {
      vtkPVArrayInformation* arrayInfo = attrInfo->GetArrayInformation(cc);
      QString pyArrayName = vtkSMCoreUtilities::SanitizeName(arrayInfo->GetName()).c_str();

      int number_of_components = arrayInfo->GetNumberOfComponents();
      if (number_of_components > 1)
      {
        this->Internals->criteria->addItem(
          QString("%1 (Magnitude)").arg(arrayInfo->GetName()), THRESHOLD);

        int item_index = (this->Internals->criteria->count() - 1);
        this->Internals->Arrays.insert(
          item_index, pqInternals::ArrayInfo(pyArrayName, -1, number_of_components));

        for (int kk = 0; kk < arrayInfo->GetNumberOfComponents(); kk++)
        {
          this->Internals->criteria->addItem(
            QString("%1 (%2)").arg(arrayInfo->GetName()).arg(kk), THRESHOLD);
          item_index = (this->Internals->criteria->count() - 1);
          this->Internals->Arrays.insert(
            item_index, pqInternals::ArrayInfo(pyArrayName, kk, number_of_components));
        }
      }
      else
      {
        this->Internals->criteria->addItem(arrayInfo->GetName(), THRESHOLD);
        int item_index = (this->Internals->criteria->count() - 1);
        this->Internals->Arrays.insert(
          item_index, pqInternals::ArrayInfo(pyArrayName, 0, number_of_components));
      }
    }
  }

  if (type_flags & POINTS_NEAR && this->attributeType() == vtkDataObject::POINT)
  {
    this->Internals->criteria->addItem("Point", POINTS_NEAR);
  }

  if (type_flags & POINT_IN_CELL && this->attributeType() == vtkDataObject::CELL)
  {
    this->Internals->criteria->addItem("Cell", POINT_IN_CELL);
  }

  vtkPVDataInformation* dataInfo = this->producer()->getDataInformation();

  if (type_flags & QUERY)
  {
    this->Internals->criteria->addItem("Query", QUERY);
  }

  if (isMultiBlock(dataInfo))
  {
    if (type_flags & BLOCK)
    {
      this->Internals->criteria->addItem("Block ID", BLOCK);
    }
  }
  else if (isAMR(dataInfo))
  {
    if (type_flags & AMR_LEVEL)
    {
      this->Internals->criteria->addItem("AMR Level", AMR_LEVEL);
    }
    if (type_flags & AMR_BLOCK)
    {
      this->Internals->criteria->addItem("AMR Block", AMR_BLOCK);
    }
  }

  if (type_flags & PROCESSID)
  {
    pqServer* server = this->producer()->getServer();
    if (server->getNumberOfPartitions() > 1)
    {
      this->Internals->criteria->addItem("Process ID", -1);
    }
  }
}

//-----------------------------------------------------------------------------
void pqQueryClauseWidget::populateSelectionCondition()
{
  this->Internals->condition->clear();

  CriteriaType criteria_type = this->currentCriteriaType();
  if (criteria_type == INVALID)
  {
    return;
  }

  switch (criteria_type)
  {
    case QUERY:
      this->Internals->condition->addItem("is", pqQueryClauseWidget::SINGLE_VALUE);
      break;
    case INDEX:
    case GLOBALID:
    case THRESHOLD:
    case PROCESSID:
      this->Internals->condition->addItem("is", pqQueryClauseWidget::SINGLE_VALUE);
      this->Internals->condition->addItem("is between", pqQueryClauseWidget::PAIR_OF_VALUES);
      this->Internals->condition->addItem("is one of", pqQueryClauseWidget::LIST_OF_VALUES);
      this->Internals->condition->addItem("is >=", pqQueryClauseWidget::SINGLE_VALUE_GE);
      this->Internals->condition->addItem("is <=", pqQueryClauseWidget::SINGLE_VALUE_LE);
#ifndef REMOVE_COLLECTIVE_CLAUSES
      this->Internals->condition->addItem("is min", pqQueryClauseWidget::SINGLE_VALUE_MIN);
      this->Internals->condition->addItem("is max", pqQueryClauseWidget::SINGLE_VALUE_MAX);
      this->Internals->condition->addItem(
        "is less than mean", pqQueryClauseWidget::SINGLE_VALUE_LE_MEAN);
      this->Internals->condition->addItem(
        "is greater than mean", pqQueryClauseWidget::SINGLE_VALUE_GE_MEAN);
      this->Internals->condition->addItem(
        "is equal to mean with tolerance", pqQueryClauseWidget::SINGLE_VALUE_MEAN_WITH_TOLERANCE);
#endif
      break;

    case BLOCK:
      this->Internals->condition->addItem("is", pqQueryClauseWidget::BLOCK_ID_VALUE);
      if (!this->AsQualifier)
      {
        this->Internals->condition->addItem(
          "is one of", pqQueryClauseWidget::LIST_OF_BLOCK_ID_VALUES);
      }
      break;

    case AMR_LEVEL:
      this->Internals->condition->addItem("is", pqQueryClauseWidget::AMR_LEVEL_VALUE);
      break;

    case AMR_BLOCK:
      this->Internals->condition->addItem("is", pqQueryClauseWidget::AMR_BLOCK_VALUE);
      break;

    case POINT_IN_CELL:
      this->Internals->condition->addItem("contains", pqQueryClauseWidget::LOCATION);
      break;

    case POINTS_NEAR:
      this->Internals->condition->addItem(
        "nearest to", pqQueryClauseWidget::LOCATION_AND_TOLERANCE);
      break;

    case ANY:
    case INVALID:
      break;
  }
}

//-----------------------------------------------------------------------------
void pqQueryClauseWidget::updateValueWidget()
{
  switch (this->currentConditionType())
  {
    case SINGLE_VALUE_MIN:
    case SINGLE_VALUE_MAX:
    case SINGLE_VALUE_LE_MEAN:
    case SINGLE_VALUE_GE_MEAN:
      this->Internals->valueStackedWidget->setCurrentIndex(4);
      break;
    case SINGLE_VALUE_MEAN_WITH_TOLERANCE:
    case SINGLE_VALUE:
    case SINGLE_VALUE_LE:
    case SINGLE_VALUE_GE:
    case LIST_OF_VALUES:
      this->Internals->valueStackedWidget->setCurrentIndex(0);
      break;

    case PAIR_OF_VALUES:
      this->Internals->valueStackedWidget->setCurrentIndex(1);
      break;

    case TRIPLET_OF_VALUES:
    case LOCATION:
      this->Internals->valueStackedWidget->setCurrentIndex(2);
      break;

    case BLOCK_ID_VALUE:
    case AMR_LEVEL_VALUE:
    case AMR_BLOCK_VALUE:
    case LIST_OF_BLOCK_ID_VALUES:
      this->Internals->valueStackedWidget->setCurrentIndex(3);
      break;

    case BLOCK_NAME_VALUE:
      this->Internals->valueStackedWidget->setCurrentIndex(3);
      break;

    case LOCATION_AND_TOLERANCE:
      this->Internals->valueStackedWidget->setCurrentIndex(5);
      break;
  }
}

//-----------------------------------------------------------------------------
void pqQueryClauseWidget::updateDependentClauseWidgets()
{
  if (qobject_cast<pqQueryClauseWidget*>(this->parentWidget()))
  {
    return;
  }

  CriteriaType criteria_type = this->currentCriteriaType();
  if (criteria_type == INVALID)
  {
    return;
  }

  foreach (pqQueryClauseWidget* child, this->findChildren<pqQueryClauseWidget*>())
  {
    delete child;
  }

  pqServer* server = this->producer()->getServer();
  bool multi_process = (server->getNumberOfPartitions() > 1);
  bool multi_block = false;
  bool amr = false;
#ifdef REMOVE_PROCESSID
  multi_process = false;
#endif

  vtkPVDataInformation* dataInfo = this->producer()->getDataInformation();
  multi_block = isMultiBlock(dataInfo);
  amr = isAMR(dataInfo);

  QVBoxLayout* vbox = qobject_cast<QVBoxLayout*>(this->layout());

  QList<CriteriaTypes> sub_widgets;

  if (multi_block)
  {
    switch (criteria_type)
    {
      case INDEX:
      case QUERY:
      case THRESHOLD:
        sub_widgets.push_back(BLOCK);
        break;
      case GLOBALID:
      default:
        break;
    }
  }

  if (amr)
  {
    switch (criteria_type)
    {
      case INDEX:
      case THRESHOLD:
        sub_widgets.push_back(AMR_LEVEL);
        sub_widgets.push_back(AMR_BLOCK);
        break;
      case GLOBALID:
      // for now, when selecting Global ids, we don't allow the users to pick the
      // block to extract the array from. We can support this if needed in
      // future.
      case AMR_LEVEL:
        sub_widgets.push_back(AMR_BLOCK);
        break;

      case AMR_BLOCK:
        sub_widgets.push_back(AMR_LEVEL);
        break;

      default:
        break;
    }
  }

  if (multi_process)
  {
    sub_widgets.push_back(PROCESSID);
  }

  foreach (CriteriaTypes t_flag, sub_widgets)
  {
    pqQueryClauseWidget* sub_widget = new pqQueryClauseWidget(this);
    sub_widget->setProducer(this->producer());
    sub_widget->setAttributeType(this->attributeType());
    sub_widget->initialize(t_flag, true);
    vbox->addWidget(sub_widget);
  }

  if (criteria_type == QUERY)
  {
    this->Internals->value->setText(this->LastQuery);
  }
  else
  {
    this->Internals->value->setText("");
  }
}

//-----------------------------------------------------------------------------
void pqQueryClauseWidget::showCompositeTree()
{
  CriteriaType criteria_type = this->currentCriteriaType();
  if (criteria_type == INVALID)
  {
    return;
  }

  QDialog dialog(this);
  Ui::pqQueryCompositeTreeDialog ui;
  ui.setupUi(&dialog);

  if (this->currentConditionType() == LIST_OF_BLOCK_ID_VALUES)
  {
    // allow multiple selections.
    ui.Blocks->setSelectionMode(QAbstractItemView::ExtendedSelection);
  }

  pqCompositeDataInformationTreeModel dmodel;
  if (criteria_type == AMR_BLOCK)
  {
    // if selecting AMR_BLOCK, we need to expand multipiece nodes.
    dmodel.setExpandMultiPiece(true);
  }

  ui.Blocks->setModel(&dmodel);
  dmodel.reset(this->producer()->getDataInformation());
  ui.Blocks->expandAll();
  if (dialog.exec() != QDialog::Accepted)
  {
    return;
  }

  // to convert selected indexes to flat or amr ids, we use a trick. We make the
  // model check the selected indexes and then use existing API on the model to
  // access the indexes for the checked nodes.
  QModelIndexList selIndexes = ui.Blocks->selectionModel()->selectedIndexes();
  foreach (const QModelIndex& idx, selIndexes)
  {
    if (idx.isValid())
    {
      dmodel.setData(idx, Qt::Checked, Qt::CheckStateRole);
    }
  }

  QStringList values;
  switch (criteria_type)
  {
    case BLOCK:
    {
      const QList<unsigned int> findexes = dmodel.checkedNodes();
      foreach (unsigned int idx, findexes)
      {
        values << QString::number(idx);
      }
    }
    break;
    case AMR_LEVEL:
    {
      const QList<unsigned int> levels = dmodel.checkedLevels();
      foreach (unsigned int idx, levels)
      {
        values << QString::number(idx);
      }
    }
    break;
    case AMR_BLOCK:
    {
      typedef QPair<unsigned int, unsigned int> UIPair;
      const QList<UIPair> amrIndexes = dmodel.checkedLevelDatasets();
      QSet<unsigned int> uniq;
      foreach (const UIPair& idx, amrIndexes)
      {
        uniq.insert(idx.second);
      }
      foreach (unsigned int idx, uniq)
      {
        values << QString::number(idx);
      }
    }
    break;

    default:
      qCritical("Invalid criteria_type.");
  }

  this->Internals->value_block->setText(values.join(","));
}

//-----------------------------------------------------------------------------
vtkSMProxy* pqQueryClauseWidget::newSelectionSource()
{
  // Find the proper Proxy manager
  vtkSMSessionProxyManager* pxm =
    vtkSMProxyManager::GetProxyManager()->GetActiveSessionProxyManager();

  // Create a new selection source proxy based on the criteria_type.
  vtkSMProxy* selSource = pxm->NewProxy("sources", "SelectionQuerySource");

  // * Determine FieldType.
  int field_type = 0;
  switch (this->attributeType())
  {
    case vtkDataObject::POINT:
      field_type = vtkSelectionNode::POINT;
      break;

    case vtkDataObject::CELL:
      field_type = vtkSelectionNode::CELL;
      break;

    case vtkDataObject::ROW:
      field_type = vtkSelectionNode::ROW;
      break;

    case vtkDataObject::VERTEX:
      field_type = vtkSelectionNode::VERTEX;
      break;

    case vtkDataObject::EDGE:
      field_type = vtkSelectionNode::EDGE;
      break;
  }
  vtkSMPropertyHelper(selSource, "FieldType").Set(field_type);

  // Pass on qualifiers and values from this and sub widgets.
  this->addSelectionQualifiers(selSource);
  foreach (pqQueryClauseWidget* child, this->findChildren<pqQueryClauseWidget*>())
  {
    child->addSelectionQualifiers(selSource);
  }

  selSource->UpdateVTKObjects();

  return selSource;
}

//-----------------------------------------------------------------------------
void pqQueryClauseWidget::addSelectionQualifiers(vtkSMProxy* selSource)
{
  CriteriaType criteria_type = this->currentCriteriaType();
  if (criteria_type == INVALID)
  {
    return;
  }

  // Variables used to build Query
  QString query;
  QString fieldName;

  // Determine the name of the field
  bool ok_no_value = false;
  switch (criteria_type)
  {
    case INVALID:
    case BLOCK:
    case AMR_LEVEL:
    case AMR_BLOCK:
    case PROCESSID:
    case QUERY:
    case POINTS_NEAR:
    case POINT_IN_CELL:
    case ANY:
      // Options not supported
      break;
    case INDEX:
      fieldName = "id";
      break;
    case GLOBALID:
      fieldName = this->getChosenAttributeInfo()
                    ->GetAttributeInformation(vtkDataSetAttributes::GLOBALIDS)
                    ->GetName();
      break;
    case THRESHOLD:
      pqInternals::ArrayInfo info =
        this->Internals->Arrays[this->Internals->criteria->currentIndex()];
      if (info.ComponentNo == -1)
      {
        // Magnitude
        fieldName.append("mag(").append(info.ArrayName).append(")");
      }
      else if (info.NumberOfComponents > 1)
      {
        fieldName.append(info.ArrayName)
          .append("[:,")
          .append(QString::number(info.ComponentNo))
          .append("]");
      }
      else
      {
        Q_ASSERT(info.ComponentNo == 0 && info.NumberOfComponents == 1);
        fieldName.append(info.ArrayName);
      }
      break;
  }

  ConditionMode condition_type = this->currentConditionType();
  QList<QVariant> values;
  switch (condition_type)
  {
    case SINGLE_VALUE:
      if (query.isEmpty())
      {
        query = "%1 == %2";
      }
      VTK_FALLTHROUGH;
    case SINGLE_VALUE_LE:
      if (query.isEmpty())
      {
        query = "%1 <= %2";
      }
      VTK_FALLTHROUGH;
    case SINGLE_VALUE_GE:
      if (query.isEmpty())
      {
        query = "%1 >= %2";
      }
      if (!this->Internals->value->text().isEmpty())
      {
        values << this->Internals->value->text();
        query = query.arg(fieldName, this->Internals->value->text());
      }
      break;
    case LIST_OF_VALUES:
      if (!this->Internals->value->text().isEmpty())
      {
        QStringList queryList;
        QStringList parts = this->Internals->value->text().split(',', QString::SkipEmptyParts);
        foreach (QString part, parts)
        {
          values << part;
          queryList << (QString("(%1 == %2)").arg(fieldName).arg(part));
        }
        if (query.isEmpty())
          query = queryList.join(" | ");
      }
      break;

    case PAIR_OF_VALUES:
      if (query.isEmpty())
        query = "(%1 > %2) & (%1 < %3)";
      if (!this->Internals->value_min->text().isEmpty() &&
        !this->Internals->value_max->text().isEmpty())
      {
        values << this->Internals->value_min->text();
        values << this->Internals->value_max->text();
        query = query.arg(
          fieldName, this->Internals->value_min->text(), this->Internals->value_max->text());
      }
      break;

    case TRIPLET_OF_VALUES:
      // FIXME don't really work but we don't care as we removed that case in the possibility
      if (query.isEmpty())
        query = "[(tuple[0,0] & tuple[0,1] & tuple[0,2] ) for tuple in (abs(Points - [%1,%2,%3]) < "
                "1e-6)]";
      if (!this->Internals->value_x->text().isEmpty() &&
        !this->Internals->value_y->text().isEmpty() && !this->Internals->value_z->text().isEmpty())
      {
        values << this->Internals->value_x->text();
        values << this->Internals->value_y->text();
        values << this->Internals->value_z->text();
        query = query.arg(this->Internals->value_x->text(), this->Internals->value_y->text(),
          this->Internals->value_z->text());
      }
      break;
    case LOCATION:
      if (query.isEmpty())
      {
        query = "cellContainsPoint(inputs, [(%1,%2,%3),])";
      }
      if (!this->Internals->value_x->text().isEmpty() &&
        !this->Internals->value_y->text().isEmpty() && !this->Internals->value_z->text().isEmpty())
      {
        values << this->Internals->value_x->text();
        values << this->Internals->value_y->text();
        values << this->Internals->value_z->text();
        query = query.arg(this->Internals->value_x->text(), this->Internals->value_y->text(),
          this->Internals->value_z->text());
      }
      break;
    case LOCATION_AND_TOLERANCE:
      if (query.isEmpty())
      {
        query = "pointIsNear([(%1,%2,%3),], %4, inputs)";
      }
      if (!this->Internals->location_x->text().isEmpty() &&
        !this->Internals->location_y->text().isEmpty() &&
        !this->Internals->location_z->text().isEmpty() &&
        !this->Internals->location_tolerance->text().isEmpty())
      {
        values << this->Internals->location_x->text();
        values << this->Internals->location_y->text();
        values << this->Internals->location_z->text();
        values << this->Internals->location_tolerance->text();
        query = query.arg(this->Internals->location_x->text(), this->Internals->location_y->text(),
          this->Internals->location_z->text(), this->Internals->location_tolerance->text());
      }
      break;

    case BLOCK_ID_VALUE:
    case LIST_OF_BLOCK_ID_VALUES:
    case BLOCK_NAME_VALUE:
    case AMR_LEVEL_VALUE:
    case AMR_BLOCK_VALUE:
      if (query.isEmpty())
        query = "contains(%1,[%2])";
      if (!this->Internals->value_block->text().isEmpty())
      {
        query = query.arg(fieldName, this->Internals->value_block->text());
        if (this->AsQualifier)
        {
          values << this->Internals->value_block->text();
        }
        else
        {
          QStringList parts =
            this->Internals->value_block->text().split(',', QString::SkipEmptyParts);
          foreach (QString part, parts)
          {
            values << part;
          }
        }
      }
      break;
    case SINGLE_VALUE_MIN:
      if (query.isEmpty())
        query = "%1  == min(%1)";
      query = query.arg(fieldName);
      ok_no_value = true;
      break;
    case SINGLE_VALUE_MAX:
      if (query.isEmpty())
        query = "%1  == max(%1)";
      query = query.arg(fieldName);
      ok_no_value = true;
      break;
    case SINGLE_VALUE_LE_MEAN:
      if (query.isEmpty())
        query = "%1  <= mean(%1)";
      query = query.arg(fieldName);
      ok_no_value = true;
      break;
    case SINGLE_VALUE_GE_MEAN:
      if (query.isEmpty())
        query = "%1  >= mean(%1)";
      query = query.arg(fieldName);
      ok_no_value = true;
      break;
    case SINGLE_VALUE_MEAN_WITH_TOLERANCE:
      if (query.isEmpty())
        query = "abs(%1 - mean(%1)) < %2";
      if (!this->Internals->value->text().isEmpty())
      {
        values << this->Internals->value->text();
        query = query.arg(fieldName, this->Internals->value->text());
      }
      break;
    default:
      break;
  }

  if (values.size() == 0 && !ok_no_value)
  {
    return;
  }

  switch (criteria_type)
  {
    case QUERY:
      vtkSMPropertyHelper(selSource, "QueryString")
        .Set(values[0].toString().toLocal8Bit().constData());
      break;

    case BLOCK:
      if (this->AsQualifier)
      {
        vtkSMPropertyHelper(selSource, "CompositeIndex").Set(values[0].toInt());
        break;
      }
      VTK_FALLTHROUGH;
    // break; -- don't break

    case INDEX:
    case GLOBALID:
    case THRESHOLD:
    case POINTS_NEAR:
    case POINT_IN_CELL:
      this->LastQuery = query;
      vtkSMPropertyHelper(selSource, "QueryString").Set(query.toLocal8Bit().constData());
      break;
    case AMR_LEVEL:
    {
      vtkSMPropertyHelper(selSource, "HierarchicalLevel").Set(values[0].toInt());
    }
    break;

    case AMR_BLOCK:
    {
      vtkSMPropertyHelper(selSource, "HierarchicalIndex").Set(values[0].toInt());
    }
    break;

    case PROCESSID:
    {
      vtkSMPropertyHelper(selSource, "ProcessID").Set(values[0].toInt());
    }
    break;

    case INVALID:
    case ANY:
      break;
  }
}
