#ifndef __BA0102_H
#define __BA0102_H

#ifndef __AUTOMASK_H
#include <automask.h>
#endif

#ifndef __TREECTRL_H
#include <treectrl.h>
#endif

#ifndef __TREE_H
#include <tree.h>
#endif

#ifndef __BA0101_H
#include "ba0101.h"
#endif

class TMenu_tree : public TBidirectional_tree
{
  TMenu* _menu;
  const TSubmenu* _submenu;
  int _menuitem;

  TString _root_id, _curr_id;

protected:   // TTree
  virtual void node2id(const TObject* node, TString& id) const;

public:   // TTree
  virtual bool goto_root();
  virtual bool goto_firstson();
  virtual bool goto_rbrother(); 
  virtual bool goto_node(const TString &id);
  virtual bool has_son() const;
  virtual bool has_rbrother() const;
  virtual TObject* curr_node() const;
  
  virtual bool has_root() const;
  virtual bool has_father() const;
  virtual bool has_lbrother() const;
  virtual bool goto_father();
  virtual bool goto_lbrother();
  
  virtual void curr_id(TString& id) const { id = _curr_id; }
  virtual bool get_description(TString& desc) const;
  virtual TImage* image(bool selected) const;

public:
  const TSubmenu& curr_submenu() const;
  const TMenuitem& curr_item() const;

  bool find_leaf(const TString& str);
  bool find_string(const TString& str);
  long find_node(const TString& id);
  void change_root(const char* id);
  
  TMenu_tree(TMenu& menu);
  virtual ~TMenu_tree() { }
};

///////////////////////////////////////////////////////////
// TSpidey_mask   Intended for internal use only :-)
///////////////////////////////////////////////////////////

class TSpidey_mask : public TAutomask
{
protected: // TMask
  virtual void on_firm_change();
  virtual bool stop_run(KEY k);
  virtual bool on_key(KEY k);

protected:
  WINDOW dlg2win(short id) const;

public:
  TSpidey_mask();
};

///////////////////////////////////////////////////////////
// TMenulist_field
///////////////////////////////////////////////////////////

class TMenulist_field : public TWindowed_field
{ 
protected: // TWindowed_field
  virtual TField_window* create_window(int x, int y, int dx, int dy, WINDOW parent);

public:
  void set_menu(TMenu_tree& mt);
	void create(short dlg, int x, int y, int dx, int dy, WINDOW parent);
  void curr_item(TToken_string& id) const;
   
  TMenulist_field(TMask* m) : TWindowed_field(m) { }
  virtual ~TMenulist_field() { }
};

///////////////////////////////////////////////////////////
// TExplorer_mask
///////////////////////////////////////////////////////////

class TExplorer_mask : public TSpidey_mask
{
  TMenu_tree _tree;
  TString _last_search_string;

protected: // TMask
  virtual void update();
  virtual void handler(WINDOW win, EVENT* ep);
  virtual bool on_key(KEY k);
  virtual bool on_field_event(TOperable_field& o, TField_event e, long jolly);

protected:
  virtual void select_tree_current();
  enum { DLG_TREE = 101, DLG_LIST, 
         DLG_SHRINK = 201, DLG_PREF, DLG_ADDPREF };

public:
  TExplorer_mask(TMenu& menu);
};

// Utilities
void synchronize_tree_field(TTree_field& tf);
bool can_be_transparent(const TImage& i);
void draw_spider(WINDOW win, int mode, const PNT& mouse);

#endif