pqLinkedObjectInterface.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-FileCopyrightText: Copyright (c) Sandia Corporation
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef pqLinkedObjectInterface_h
#define pqLinkedObjectInterface_h
 
#include <pqCoreModule.h>
 
#include <QMetaObject>
#include <QString>
 
#include <memory>
 
struct PQCORE_EXPORT pqLinkedObjectInterface
{
  pqLinkedObjectInterface() = default;
 
  explicit pqLinkedObjectInterface(const pqLinkedObjectInterface&) = default;
 
  virtual ~pqLinkedObjectInterface() noexcept = default;
 
  virtual std::unique_ptr<pqLinkedObjectInterface> clone() const = 0;
 
  virtual void link(pqLinkedObjectInterface* other) = 0;
 
  virtual void unlink() = 0;
 
  enum class QtSignalState : bool
  {
    On = true,
    Off = false
  };
 
  virtual void setText(const QString& txt) = 0;
 
  virtual QString getText() const = 0;
 
  virtual QObject* getLinked() const noexcept = 0;
 
  virtual QString getName() const = 0;
 
  bool isLinked() const noexcept { return this->ConnectedTo != nullptr; }
 
protected:
  pqLinkedObjectInterface* ConnectedTo = nullptr;
  QMetaObject::Connection Connection;
  bool SettingText = false;
};
 
#endif // pqLinkedObjectInterface_h