pqExpressionsTableModel.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-FileCopyrightText: Copyright (c) Sandia Corporation
// SPDX-License-Identifier: BSD-3-Clause

#ifndef pqExpressionsTableModel_h
#define pqExpressionsTableModel_h

#include "pqComponentsModule.h"

#include <QAbstractTableModel>

#include "pqExpressionsManager.h" // for pqExpression

class PQCOMPONENTS_EXPORT pqExpressionsTableModel : public QAbstractTableModel
{
  Q_OBJECT
  typedef QAbstractTableModel Superclass;

public:
  pqExpressionsTableModel(QObject* parent = nullptr);
  ~pqExpressionsTableModel() override = default;

  enum ColumnKey
  {
    GroupColumn = 0,
    NameColumn,
    ExpressionColumn,
    NumberOfColumns
  };

  QModelIndex addNewExpression();

  QList<pqExpressionsManager::pqExpression> getExpressions();

  QList<pqExpressionsManager::pqExpression> getExpressions(const QString& group);

  QString getExpressionAsString(const QModelIndex& idx);

  QModelIndex expressionIndex(const pqExpressionsManager::pqExpression& expression);

  QString getGroup(const QModelIndex& idx);

  void setExpressions(const QList<pqExpressionsManager::pqExpression>& expressions);

  void addExpressions(const QList<pqExpressionsManager::pqExpression>& expressions);

  QSet<QString> getGroups();

  bool setExpressionName(int idx, const QString& group);

  bool setExpressionGroup(int idx, const QString& group);

  void removeExpressions(const QModelIndexList& index);

  void removeAllExpressions();


  int rowCount(const QModelIndex& parent) const override;
  int columnCount(const QModelIndex& parent) const override;
  QVariant data(const QModelIndex& index, int role) const override;
  QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
  Qt::ItemFlags flags(const QModelIndex& index) const override;
  bool setData(const QModelIndex& index, const QVariant& value, int role) override;
  bool insertRows(int position, int rows, const QModelIndex& parent) override;
  bool removeRows(int position, int rows, const QModelIndex& parent) override;

protected:
  bool setExpression(int idx, const QString& expression);
  bool removeExpression(int idx);

  QList<pqExpressionsManager::pqExpression> Expressions;
};

#endif