DocumentInterface.hpp

#pragma once
#include <score/model/path/ObjectPath.hpp>
 
#include <type_traits>
#include <vector>
 
class QObject;
namespace score
{
class CommandStack;
class Document;
class DocumentDelegateModel;
class DocumentDelegatePresenter;
struct DocumentContext;
 
namespace IDocument
{
 
SCORE_LIB_BASE_EXPORT Document* documentFromObject(const QObject* obj);
SCORE_LIB_BASE_EXPORT Document* documentFromObject(const QObject& obj);
SCORE_LIB_BASE_EXPORT const DocumentContext& documentContext(const QObject& obj);
 
SCORE_LIB_BASE_EXPORT ObjectPath unsafe_path(QObject const* const& obj);
SCORE_LIB_BASE_EXPORT ObjectPath unsafe_path(const QObject& obj);
 
 
// Presenter of a document plugin.
SCORE_LIB_BASE_EXPORT DocumentDelegatePresenter*
presenterDelegate_generic(const Document& d);
 
template <typename T>
T* presenterDelegate(const Document& d)
{
  auto pd = presenterDelegate_generic(d);
  if(pd)
    return safe_cast<T*>(pd);
  return nullptr;
}
 
template <typename T>
  requires(std::is_base_of<DocumentDelegatePresenter, T>::value)
T* get(const Document& d)
{
  return presenterDelegate<T>(d);
}
 
template <typename T>
T* try_presenterDelegate(const Document& d)
{
  return dynamic_cast<T*>(presenterDelegate_generic(d));
}
 
template <typename T>
  requires(std::is_base_of<DocumentDelegatePresenter, T>::value)
T* try_get(const Document& d)
{
  return try_presenterDelegate<T>(d);
}
 
// Model of a document plugin
// First if we are sure
SCORE_LIB_BASE_EXPORT DocumentDelegateModel& modelDelegate_generic(const Document& d);
 
template <typename T>
T& modelDelegate(const Document& d)
{
  return safe_cast<T&>(modelDelegate_generic(d));
}
 
template <typename T>
  requires(std::is_base_of<DocumentDelegateModel, T>::value)
T& get(const Document& d)
{
  return modelDelegate<T>(d);
}
 
// And then if we are not
 
template <typename T>
T* try_modelDelegate(const Document& d)
{
  return dynamic_cast<T*>(&modelDelegate_generic(d));
}
 
template <typename T>
  requires(std::is_base_of<DocumentDelegateModel, T>::value)
T* try_get(const Document& d)
{
  return try_modelDelegate<T>(d);
}
}
}