#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