ImportExportPrefs.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  ImportExportPrefs.h
 
  Joshua Haberman
  Dominic Mazzoni
  James Crook
 
**********************************************************************/
 
#ifndef __AUDACITY_IMPORT_EXPORT_PREFS__
#define __AUDACITY_IMPORT_EXPORT_PREFS__
 
#include <wx/defs.h>
 
#include "PrefsPanel.h"
 
class ShuttleGui;
 
#define IMPORT_EXPORT_PREFS_PLUGIN_SYMBOL ComponentInterfaceSymbol{ XO("IMPORT EXPORT") }
 
template< typename Enum > class EnumSetting;
 
class AUDACITY_DLL_API ImportExportPrefs final : public PrefsPanel
{
   struct PopulatorItem;
 public:
 
   using Populator = std::function<void(ShuttleGui&)>;
 
   struct AUDACITY_DLL_API RegisteredControls
      : public Registry::RegisteredItem<PopulatorItem>
   {
      // Whether any controls have been registered
      static bool Any();
 
      RegisteredControls(const Identifier &id, Populator populator,
         const Registry::Placement &placement = { wxEmptyString, {} });
 
      struct AUDACITY_DLL_API Init{ Init(); };
   };
 
   ImportExportPrefs(wxWindow * parent, wxWindowID winid);
   ~ImportExportPrefs();
   ComponentInterfaceSymbol GetSymbol() const override;
   TranslatableString GetDescription() const override;
 
   bool Commit() override;
   ManualPageID HelpPageName() override;
   void PopulateOrExchange(ShuttleGui & S) override;
 
 private:
   struct Traits : Registry::DefaultTraits {
      using LeafTypes = List<PopulatorItem>;
   };
   struct AUDACITY_DLL_API PopulatorItem final : Registry::SingleItem {
      static Registry::GroupItem<Traits> &Registry();
   
      PopulatorItem(const Identifier &id, Populator populator);
 
      Populator mPopulator;
   };
   void Populate();
};
 
// Guarantees registry exists before attempts to use it
static ImportExportPrefs::RegisteredControls::Init
   sInitRegisteredImpExpControls;
 
#endif