#pragma once
 
#ifndef TNZ_FXBROWSER_INCLUDED
#define TNZ_FXBROWSER_INCLUDED
 
#include "tw/tw.h"
#include "tw/treeview.h"
//#include "tfilepath.h"
 
// forward declaration
class TFx;
class TFilePath;
 
#undef DVAPI
#undef DVVAR
#ifdef TWIN_EXPORTS
#define DVAPI DV_EXPORT_API
#define DVVAR DV_EXPORT_VAR
#else
#define DVAPI DV_IMPORT_API
#define DVVAR DV_IMPORT_VAR
#endif
 
//--------------------------------------------------------------------
 
class FxBuilder {
public:
  virtual ~FxBuilder() {}
  virtual TFx *create() = 0;
};
 
//--------------------------------------------------------------------
 
class DVAPI TFxBrowser : public TTreeView {
public:
  class DoubleClickListener {
  public:
    virtual void onDoubleClick() = 0;
    virtual ~DoubleClickListener() {}
  };
 
  class FxLoader;
  class MacroFxFolderItem;
 
private:
  string m_selectedFxId;
  DoubleClickListener *m_doubleClickListener;
  FxLoader *m_fxLoader;
  MacroFxFolderItem *m_macroFxFolderItem;
 
public:
  TFxBrowser(TWidget *parent, const TFilePath &fxListPath,
             const TFilePath &fxPresetFolder, string name = "fxBrowser");
 
  ~TFxBrowser();
 
  string getSelectedFxId() const;
  FxBuilder *getSelectedFxBuilder() const;
 
  void onSelect(TTreeViewItem *item);
  void leftButtonDoubleClick(const TMouseEvent &e);
  void rightButtonDown(const TMouseEvent &) {}
  void mouseWheel(const TMouseEvent &, int wheel);
 
  void setDoubleClickListener(DoubleClickListener *listener);
 
  void updatePresets();
};
 
#endif