vtkSMProxyLink.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkSMProxyLink_h
#define vtkSMProxyLink_h

#include "vtkRemotingServerManagerModule.h" //needed for exports
#include "vtkSMLink.h"

#include <memory> // for unique_ptr

struct vtkSMProxyLinkInternals;

class VTKREMOTINGSERVERMANAGER_EXPORT vtkSMProxyLink : public vtkSMLink
{
public:
  static vtkSMProxyLink* New();
  vtkTypeMacro(vtkSMProxyLink, vtkSMLink);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  enum ExceptionListBehavior : int
  {
    BLACKLIST = 0,
    WHITELIST
  };

  virtual void AddLinkedProxy(vtkSMProxy* proxy, int updateDir);

  virtual void LinkProxies(vtkSMProxy* proxy1, vtkSMProxy* proxy2);

  virtual void LinkProxyPropertyProxies(vtkSMProxy* proxy1, vtkSMProxy* proxy2, const char* pname);

  virtual void RemoveLinkedProxy(vtkSMProxy* proxy);


  unsigned int GetNumberOfLinkedObjects() override;
  unsigned int GetNumberOfLinkedProxies();

  vtkSMProxy* GetLinkedProxy(int index) override;


  int GetLinkedObjectDirection(int index) override;
  int GetLinkedProxyDirection(int index);


  void AddException(const char* propertyname);
  void RemoveException(const char* propertyname);
  void ClearExceptions();

  void RemoveAllLinks() override;

  void LoadState(const vtkSMMessage* msg, vtkSMProxyLocator* locator) override;


  vtkSetMacro(ExceptionBehavior, int);
  vtkGetMacro(ExceptionBehavior, int);
  void SetExceptionBehaviorToBlacklist() { this->SetExceptionBehavior(BLACKLIST); }
  void SetExceptionBehaviorToWhitelist() { this->SetExceptionBehavior(WHITELIST); }

protected:
  vtkSMProxyLink();
  ~vtkSMProxyLink() override;

  void UpdateVTKObjects(vtkSMProxy* proxy) override;

  void PropertyModified(vtkSMProxy* proxy, const char* pname) override;

  void UpdateProperty(vtkSMProxy* caller, const char* pname) override;

  virtual std::string GetXMLTagName() { return "ProxyLink"; }

  void SaveXMLState(const char* linkname, vtkPVXMLElement* parent) override;

  int LoadXMLState(vtkPVXMLElement* linkElement, vtkSMProxyLocator* locator) override;

  void UpdateState() override;

private:
  vtkSMProxyLink(const vtkSMProxyLink&) = delete;
  void operator=(const vtkSMProxyLink&) = delete;

  bool isPropertyLinked(const char* pname);

  std::unique_ptr<vtkSMProxyLinkInternals> Internals;
  int ExceptionBehavior = BLACKLIST;
};

#endif