#include "dblib.h"

#include <automask.h>
#include <progind.h>
#include <relapp.h>
#include <sheet.h>
#include <tabutil.h>
#include <utility.h>
#include <modaut.h>

#include "db0.h"
#include "../mg/mglib.h"
#include "../mg/anamag.h"

#include "db0500a.h"

///////////////////////////////////////////////////////////
// Funzione di richiesta stringa che andra' in libreria
///////////////////////////////////////////////////////////

#include <defmask.h>

bool copy_on_code(const char * oldcode, TString& newcode, int width = 50, const char* flags= "")
{
  int maskwidth = width+18;
  if (maskwidth < 26) 
    maskwidth = 26;
  if (maskwidth > 78) 
    maskwidth = 78;

  TMask m(TR("Copia codice"), 1, maskwidth, 5);
  m.add_string(DLG_USER+1, 0, TR("Vecchio codice "), 1, 1, width, "D", width > 76 ? 76 : width);
  m.add_string(DLG_USER, 0,   TR("Nuovo codice   "), 1, 2, width, flags, width > 76 ? 76 : width);
  m.add_button(DLG_OK, 0, "", -12, -1, 10, 2);
  m.add_button(DLG_CANCEL, 0, "", -22, -1, 10, 2);
  m.set(DLG_USER+1, oldcode);
  m.set(DLG_USER, newcode);
  bool ok = m.run() == K_ENTER;
  if (ok)
    newcode = m.get(DLG_USER);
  return ok;
}

///////////////////////////////////////////////////////////
// TDistinta_app
///////////////////////////////////////////////////////////
class TQuery_mask;
class TDistinta_mask;

class TDistinta_app : public TRelation_application
{
  TDistinta_tree _tree;
  TRelation* _therel;
  TQuery_mask* _querymask;
  TDistinta_mask* _themask;
  int _mode;

  bool parms2rel(const TMask& m);

protected:
  virtual void init_insert_mode(TMask &);
  virtual bool user_create();
  virtual bool user_destroy();
  virtual TRelation* get_relation() const { return _therel; }
  virtual bool changing_mask(int mode);
  virtual TMask* get_mask(int mode);
  virtual void init_query_mode(TMask& m);
  virtual int read(TMask& m);
  virtual int write(const TMask& m);
  virtual int rewrite(const TMask& m);
  virtual bool remove();
  virtual void ini2sheet(TConfig& ini, TSheet_field &sheet);
  virtual void sheet2ini(TSheet_field &sheet,TConfig& ini);

  void load_memo(TMask& m, TToken_string& memo);

public:
  TRelation & relation() {return *_therel;}
};

TDistinta_app& app() 
{ return (TDistinta_app&)main_app();}


///////////////////////////////////////////////////////////
// TDistinta_sheet
///////////////////////////////////////////////////////////


class TDistinta_sheet : public TSheet
{
  TCodgiac_livelli _livgiac;
  TArray _data;

protected:
  virtual void get_row(long n, TToken_string& row);
  virtual long get_items() const { return _data.items(); }

public:
  TArray& rows_array() { return _data; }
  TDistinta_sheet(int numlev);
  virtual ~TDistinta_sheet() { }
};

void TDistinta_sheet::get_row(long n, TToken_string& row)
{
  const TRiga_esplosione& re = (const TRiga_esplosione&)_data[int(n)];
  row.cut(0);
  row.add(re.tipo());
  row.add(re.articolo());
  if (_livgiac.enabled(1))
    row.add(_livgiac.unpack_grpcode(re.giacenza(),1));
  if (_livgiac.enabled(2))
    row.add(_livgiac.unpack_grpcode(re.giacenza(),2));
  if (_livgiac.enabled(3))
    row.add(_livgiac.unpack_grpcode(re.giacenza(),3));
  if (_livgiac.enabled(4))
    row.add(_livgiac.unpack_grpcode(re.giacenza(),4));
  row.add(re.um());
  row.add(re.val().string(0, 5));
  row.add(re.livello());
  row.add(re.ordinamento());
}

TDistinta_sheet::TDistinta_sheet(int numlev)
: TSheet(-1, -1, 76, 20, TR("Esplosione"), 
  numlev == 4 ? HR("Tipo|Codice@20|Liv.1@10|Liv.2@6|Liv.3@6|Liv.4@6|UM|Quantita'@18R|Liv.@R|Sort@8R") :
  numlev == 3 ? HR("Tipo|Codice@20|Liv.1@10|Liv.2@6|Liv.3@6|UM|Quantita'@18R|Liv.@R|Sort@8R") :
  numlev == 2 ? HR("Tipo|Codice@20|Liv.1@10|Liv.2@6|UM|Quantita'@18R|Liv.@R|Sort@8R") :
  numlev == 1 ? HR("Tipo|Codice@20|Liv.1@10|UM|Quantita'@18R|Liv.@R|Sort@8R") :
   HR("Tipo|Codice@20|UM|Quantita'@18R|Liv.@R|Sort@8R") )
{
}

///////////////////////////////////////////////////////////
// TQuery_mask
///////////////////////////////////////////////////////////

class TQuery_mask : public TAutomask
{
  TDistinta_tree& _tree;
  TToken_string _curr;
  TCodgiac_livelli _livgiac;

  bool redraw_tree(TField_event e);
protected:
  virtual bool on_field_event(TOperable_field& o, TField_event e, long jolly);

public:
  const TToken_string& curr() const { return _curr; }
  bool restart_tree();

  TQuery_mask(TDistinta_tree& tree);
  virtual ~TQuery_mask() { }
};

bool TQuery_mask::restart_tree()
{
  if (!_tree.restart())
    return FALSE;
  int d =get_int(F_MIN_DEPTH);
  int dir=1; // direzione di scorrimento albero
  do {
    while (dir == 1 && !_tree.is_leaf())
    {
      if (_tree.is_cyclic())
        break;
      _tree.expand();
      _tree.goto_firstson();
      if ((_tree.has_rbrother() || d != 0) && _tree.curr_depth() >= d)
      {
        _tree.goto_father();
        dir = -1;
        break;
      }
    }
    if (_tree.has_rbrother())
    {
      _tree.goto_rbrother();
      dir = 1 ;
    }
    else
    {
      _tree.goto_father();
      dir = -1;
    }
  } while (_tree.curr_depth() > 0);

  TTree_field& tf = tfield(F_TREE);
  tf.win().update_thumb(0, 0);
  tf.win().force_update();
  return TRUE;
}

bool TQuery_mask::on_field_event(TOperable_field& o, TField_event e, long jolly)
{
  switch (o.dlg())
  {
  case F_VAR_LIV1:
  case F_VAR_LIV2:
  case F_VAR_LIV3:
  case F_VAR_LIV4:
  case F_CODICE:
    if (e == fe_modify)
    {
      TString strliv,oldstrliv;
      for (int l=0; l < 4 ; l++)
        _livgiac.pack_grpcode(strliv,get(F_VAR_LIV1+l), l+1);

      TTree_field& tf = tfield(F_TREE);
      const TCodice_articolo val = get(F_CODICE);
      if (val.not_empty() && _tree.has_root())
      {
        long pos = _tree.find_node(val);
        _tree.curr_giaclev(oldstrliv);
        if (pos <= 0 || pos == 1 && strliv != oldstrliv)
        {
          if (_tree.set_root(val,"",1.0,strliv))
            redraw_tree(e);
        }
        else
        {
          tf.select_current();
          do { _tree.expand(); } while (_tree.goto_father());
          pos = _tree.find_node(val, SCAN_PRE_ORDER | SCAN_IGNORING_UNEXPANDED);

          TField_window& win = tf.win();
          const TPoint& range = win.range();
          if (pos > range.y)
            win.set_scroll_max(win.columns(), pos+win.rows());

          win.update_thumb(-1, pos-1);
          win.force_update();
          tf.set_focus();
        }
      }
      else
      {
        if (val.empty() || _tree.set_root(val,"",1.0,strliv))
          redraw_tree(e);
      }
    }
    break;
  case F_SORT:
    if (e == fe_init || e == fe_modify)
    {
      int sk = atoi(o.get());
      if (sk >= 0 && sk <= 5)
      {
        _tree.set_sort_key(sk);
        redraw_tree(e);
      }
      else
        error_box(FR("Chiave di ordinamento errata: %d"), sk);
    }
    break;
  case F_TREE:
    if (e == fe_modify)
    {
      _tree.curr_id(_curr);
      TCodice_articolo code; _tree.curr_code(code);
      set(F_CODICE, code);
    }
    break;
  case DLG_SELECT:
    if (e == fe_button)
    {
      const TString& str = get(F_CODICE);
      if (str.not_empty())
        set(F_CODICEQ, str);
      else
        return FALSE;
    }
    break;
  case F_COPY:
    if (e == fe_button)
    {
      const TString oldcode = get(F_CODICE); 
      if (oldcode.blank())
        error_box(TR("Selezionare un codice"));
      TLocalisamfile dist(LF_DIST);
      dist.put("CODDIST", oldcode);
      if (dist.read() == NOERR)
      {
        TString newcode;
        if (copy_on_code(dist.get("CODDIST"),newcode, 20, "U"))
        {
          if (newcode.not_empty() && newcode != oldcode)  
          {
            dist.put("CODDIST", newcode);
            const TRectype & artrec = cache().get(LF_ANAMAG,newcode);
            if (!artrec.empty())
            {
              dist.put("DESCR",artrec.get("DESCR"));
            } else {
              dist.put("ARTPROD",  " ");
              const TRectype & lavrec = cache().get("LAV",newcode);
              if (!lavrec.empty())
                dist.put("DESCR",lavrec.get("S0"));
            } 
            TString environment=dist.get("PARAMETRI");
            const int err = dist.write();
            if (err == NOERR)
            {                
              // copia le righe di distinta
              TRecord_array rdist(LF_RDIST, "NRIG");
              rdist.renum_key("CODDIST", oldcode);
              if (rdist.read(rdist.key()) == NOERR)
              {
                rdist.renum_key("CODDIST", newcode);
                rdist.write();
              }
              // copia le righe delle UM
              TRecord_array um(LF_UMART, "NRIGA");
              um.renum_key("CODART", newcode);
              int err=um.read(um.key()) ;
              if (um.rows() == 0)
                err = _iskeynotfound;
              switch (err)
              {
                case _isemptyfile:
                case _iskeynotfound:
                  um.renum_key("CODART", oldcode);
                  if (um.read(um.key()) == NOERR )
                  {
                    um.renum_key("CODART", newcode);
                    um.write();
                  }
                  break;
                case NOERR:
                  dist.put("UM", um.row(1).get("UM"));
                  break;
              } 
            }
            else
            {
              if (err == _isreinsert)
                error_box(FR("La distinta '%s' e' gia' stata inserita"), (const char*)newcode);
              else
                error_box(FR("Errore %d durante la registrazione della distinta '%s'"), err, (const char*)newcode);
            }
          }
        }
      }
      else
        error_box(FR("Il codice '%s' non corrisponde ad una distinta valida"), (const char*)oldcode);
    }
    break;
  case F_EXPLODE:
    if (e == fe_button)
    {
      TCodice_articolo art = get(F_CODICE);
      if (art.not_empty())
      {
        TString strliv;
        _tree.curr_giaclev(strliv);
        _tree.set_root(art,"",1.0,strliv);
        restart_tree();
      }
      if (_tree.goto_root())
      {
        _tree.curr_code(art);
        TString80 caption;
        caption << TR("Esplosione ") << art;
        
        TMask m("db0500c");
        m.set_caption(caption);
        m.set(F_SORT, get(F_SORT));
        m.set(F_ARTICOLI, "X");
        m.set(F_LAVORAZIONI, "X");
        m.set(F_VIRTUALI, "X");
        if (m.run() == K_ENTER)
        {   
          TDistinta_sheet a(_livgiac.last_level());
          a.set_caption(caption);
          int sk = m.get_int(F_SORT);
          int md = m.get_int(F_MAXDEPTH);
          TExplosion_grouping gr = TExplosion_grouping(m.get_int(F_GROUPMODE));
          bool mb = m.get_bool(F_MATBASE);
          bool sp = m.get_bool(F_STOPPROD);
          
          TString16 fi;
          if (m.get_bool(F_ARTICOLI))    fi << 'A';
          if (m.get_bool(F_LAVORAZIONI)) fi << 'L';
          if (m.get_bool(F_VIRTUALI))    fi << 'V';
          if (m.get_bool(F_GHOST))       fi << 'G';
          
          if (_tree.goto_root())
          {
            TIndwin iw(0, caption, FALSE, FALSE);
            _tree.explode(a.rows_array(), mb, gr, md, fi, sk, sp);
          }
          a.run();
        }
      }
    }
    break;
  case F_VAR_CODMAG:
  case F_VAR_CODDEP:
  case F_VAR_IMPIANTO:
  case F_VAR_LINEA:
    if (e == fe_modify || e == fe_init)
    {
      switch (o.dlg()) {
        case F_VAR_IMPIANTO:  
          _tree.set_global("_IMPIANTO",o.get()); break;
        case F_VAR_LINEA:     
          _tree.set_global("_LINEA",o.get()); break;
        case F_VAR_CODMAG:
        case F_VAR_CODDEP:
          {
            TString8 codmagdep; 
            add_magcode(codmagdep, get(F_VAR_CODMAG));
            add_depcode(codmagdep, get(F_VAR_CODDEP));
            _tree.set_global("_MAGDEP",codmagdep); 
          }
          break;
      }
      redraw_tree(e);
    }
    break;
  case F_MIN_DEPTH:
  case F_HIDE_GHOST:
    if (e == fe_modify || e == fe_init)
    {
      const char ig=*get(F_HIDE_GHOST);
      _tree.set_ignore_ghost(ig > ' ');
      redraw_tree(e);
    }
    break;
  case F_SHOW_QTA:
    if (e == fe_modify || e == fe_init)
    {
      const char v=*o.get();
      _tree.set_qta_on_descr(v > ' ');
      redraw_tree(e);
    }
    break;
  case F_DESCR_SEP:
    if (e == fe_modify || e == fe_init)
    {
      const char v=*o.get();
      _tree.set_descr_separator(v);
      redraw_tree(e);
    }
    break;
  case F_SHOW_LIV1:
  case F_SHOW_LIV2:
  case F_SHOW_LIV3:
  case F_SHOW_LIV4:
    if (e == fe_modify || e == fe_init)
    {
      const char v=*o.get();
      _tree.set_livgiac_on_descr(o.dlg() - F_SHOW_LIV1 +1, v > ' ');
      redraw_tree(e);
    }
    break;
  default:
    break;
  }
  return TRUE;
}

bool TQuery_mask::redraw_tree(TField_event e)
{
  if (e == fe_modify && _tree.goto_root())
  {
    if (get(F_CODICE).blank())
    {
      TCodice_articolo c; _tree.curr_code(c);
      set(F_CODICE, c);
      return on_field_event((TOperable_field &)field(F_CODICE), fe_modify, 0l);
    }
    restart_tree();
    return TRUE;
  }
  return FALSE;
}


TQuery_mask::TQuery_mask(TDistinta_tree& dt) 
           : TAutomask("db0500a"), _tree(dt)
{ 
  if (!app().has_module(MRAUT))
  {
    hide(F_VAR_IMPIANTO);
    hide(F_VAR_LINEA);
  }
  for (int l=0; l<4; l++)
  {
    show(F_VAR_LIV1+l, _livgiac.enabled(l+1));
    show(F_SHOW_LIV1+l, _livgiac.enabled(l+1));
    if (_livgiac.enabled(l+1))
    {
      field(F_VAR_LIV1+l).set_prompt(_livgiac.name(l+1));
      field(F_SHOW_LIV1+l).set_prompt(format(FR("Mostra %s"),(const char *)_livgiac.name(l+1)));
    }
  }
  
  TTree_field& tree = tfield(F_TREE);
  tree.set_tree(&_tree);
}

///////////////////////////////////////////////////////////
// TDistinta_mask
///////////////////////////////////////////////////////////

class TDistinta_mask : public TAutomask
{
  TDistinta_tree& _tree;
  TCodgiac_livelli *_livelli_giac;

  void set_um_rif(int row);
 
  bool on_distsheet_event(TOperable_field& o, TField_event e, long jolly);
  bool on_unitsheet_event(TOperable_field& o, TField_event e, long jolly);
  bool on_parmsheet_event(TOperable_field& o, TField_event e, long jolly);
 
protected:
  virtual bool on_field_event(TOperable_field& o, TField_event e, long jolly);
  bool test_row(const TToken_string& row);
  void load_um();

  static void sheetrighe_get(TSheet_field &fld_righe, int item);
  static void sheetrighe_put(TSheet_field &fld_righe, int item);

public:
  TDistinta_mask(TDistinta_tree& dt);
  virtual ~TDistinta_mask() { }
};

void TDistinta_mask::sheetrighe_get(TSheet_field &fld_righe, int item)
{
  TDistinta_mask &m=(TDistinta_mask &)fld_righe.mask();
  // prende il record della riga corrente dal record array
  TRectype &rec= fld_righe.record()->row(item, TRUE);
  TToken_string &row= fld_righe.row(item-1);
  // codici di livello
  row.add(m._livelli_giac->unpack_grpcode(rec.get("LIVELLO") ,1),fld_righe.cid2index(F_LIV1) );
  row.add(m._livelli_giac->unpack_grpcode(rec.get("LIVELLO") ,2),fld_righe.cid2index(F_LIV2) );
  row.add(m._livelli_giac->unpack_grpcode(rec.get("LIVELLO") ,3),fld_righe.cid2index(F_LIV3) );
  row.add(m._livelli_giac->unpack_grpcode(rec.get("LIVELLO") ,4),fld_righe.cid2index(F_LIV4) );
}
void TDistinta_mask::sheetrighe_put(TSheet_field &fld_righe, int item)
{
  TDistinta_mask &m=(TDistinta_mask &)fld_righe.mask();
  TToken_string &row= fld_righe.row(item-1);
          
  TRectype &recrighe= fld_righe.record()->row(item, TRUE);
  // codici livello
  if (m._livelli_giac->enabled()) 
  {
    TString16 packedcode;
    m._livelli_giac->pack_grpcode(packedcode,row.get(fld_righe.cid2index(F_LIV1)),1);
    m._livelli_giac->pack_grpcode(packedcode,row.get(fld_righe.cid2index(F_LIV2)),2);
    m._livelli_giac->pack_grpcode(packedcode,row.get(fld_righe.cid2index(F_LIV3)),3);
    m._livelli_giac->pack_grpcode(packedcode,row.get(fld_righe.cid2index(F_LIV4)),4);
    recrighe.put("LIVELLO", packedcode);
  }     
}  

void TDistinta_mask::load_um()
{
  // *****************************
  // LETTURA SHEET UNITA' DI MISURA
  TSheet_field &units= (TSheet_field &)field(F_UNITA); // prende lo sheet delle unità di misura
  const char tree_type=_tree.get_type(get(F_CODICE));

  if (!app().is_transaction())
  {
    if (tree_type=='L')
    {
      units.destroy();
    }
    else
    {
      app().relation().lfile().put("CODDIST",get(F_CODICE));
      units.record()->read(*units.putkey(app().relation()));
      units.autoload(app().relation());
    }
  }
  units.disable_cell(0, units.cid2index(FU_FC));
  const bool virtuale=tree_type!='A' && tree_type !='L';
  units.enable_column(units.cid2index(FU_UM),virtuale);
  units.enable_column(units.cid2index(FU_DESC),virtuale);
  units.enable_column(units.cid2index(FU_FC),virtuale);
  units.enable_column(units.cid2index(FU_PREZZO),virtuale);
  if (units.items()==0)
    units.row(0) << get(F_UM) << "|1"; // aggiunge una riga allo sheet
  if (units.items()==1)
  {
    set(F_UM,units.cell(0,units.cid2index(FU_UM)));
    set(F_UMART1ST,get(F_UM));
  }
  TString16 um;
  FOR_EACH_SHEET_ROW_BACK(units, u, urow)
  {
    urow->get(units.cid2index(FU_UM), um);
    if (!um.blank() && um == get(F_UM))
    {
      set_um_rif(u);
      break;
    }
  }
}


bool TDistinta_mask::test_row(const TToken_string& row)
{
  const TCodice_articolo father = get(F_CODICE);

  TCodice_articolo code; row.get(1, code);
  bool ok = code != father;
  if (ok && _tree.find_node(father) > 0)
  {
    TToken_string path; _tree.curr_id(path);
    path.add(code);
    ok = !_tree.is_cyclic(path);
  }
  if (!ok)
    error_box(FR("Il codice '%s' non puo' essere utilizzato\n"
              "in quanto la distinta risulterebbe ciclica."), (const char*)code);

  // Se e' una lavorazione
  if (get(F_TIPO)[0] == 'L')
  {
    ok = row[0] == 'L' && _tree.is_lav(code);
    if (!ok)
      error_box(FR("Il codice '%s' non e' una lavorazione"), (const char*)code);
  }

  return ok;
}

// Forza la riga row ad essere quella dell'unita' di distinta
void TDistinta_mask::set_um_rif(int row)
{
  TSheet_field& sht = sfield(F_UNITA);
  const int chk = sht.cid2index(FU_RIF);
  const int fc = sht.cid2index(FU_FC);
  const int cod = sht.cid2index(FU_UM);
  TToken_string& first = sht.row(row);
  first.add("X", chk);
  set(F_UM, first.get(cod), TRUE);
  set(F_FCUMART, first.get(fc), TRUE);
  sht.force_update(row);
}

bool TDistinta_mask::on_unitsheet_event(TOperable_field& o, TField_event e, long jolly)
{
  static bool was_checked = FALSE;

  TSheet_field& sht = (TSheet_field&)o;
  const int chk = sht.cid2index(FU_RIF);

  switch(e)
  {
  case se_query_modify:
    sht.sheet_mask().enable(DLG_DELREC, jolly > 0L);
    was_checked = *sht.cell(int(jolly), chk) > ' ';
    break;
  case se_query_del:
    return get_bool(F_VIRTUALE) && jolly > 0L;  // Impedisce di cancellare l'unita' di misura base
  case se_notify_del:
    if (was_checked)
      set_um_rif(0);
    break;
  case se_notify_modify:
    {
      const bool is_checked = *sht.cell(int(jolly), chk) > ' ';
      if (is_checked != was_checked)
      {
        if (was_checked)
          set_um_rif(0);
        else
        {
          FOR_EACH_SHEET_ROW(sht, r, row)
          {
            if (r == jolly)
              set_um_rif(r);
            else
            {
              if (*row->get(chk) > ' ')
              {
                row->add(" ", chk);
                sht.force_update(r);
              }
            }
          }
        }
        was_checked = is_checked;
      }
      if (jolly == 0L)
        set(F_UMART1ST,sht.cell(0,sht.cid2index(FU_UM)));
    }
    break;
  case se_query_add:
    if (!get_bool(F_VIRTUALE))
      return FALSE;
    break;
  case se_notify_add:
    if (jolly == 0L)
    {
      const int fc = sht.cid2index(FU_FC);
      sht.disable_cell(0, fc);
      sht.row(0).add("1", fc);
    }
    break;
  case fe_close:
    if (sht.items() == 0 || *sht.cell(0,0)<=' ')
      return sht.error_box(TR("E' necessario specificare l'unita' di misura principale"));
    break;
  default: break;
  }
  return TRUE;
}

bool TDistinta_mask::on_distsheet_event(TOperable_field& o, TField_event e, long jolly)
{
  const short id = o.dlg();
  switch (id)
  {
  case F_SHEET:
    if (e == se_notify_add || e == se_notify_modify || e == fe_close)
    {
      TSheet_field& sheet = (TSheet_field&)o;
      const int nrig = int(jolly);
      TToken_string& row = sheet.row(nrig);
      switch(e)
      {
      case se_notify_add:
        row.add("A", F_TIPOCOMP-FIRST_FIELD); // Forza il listbox ad articolo
        row.add("", F_EXPR-FIRST_FIELD);     // Forza la quantita' ad 1
        row.add(nrig+1, F_SORT0-FIRST_FIELD); // Inizializza numero riga
        sheet.select(nrig);
        break;
      case se_notify_modify:
        return test_row(row);
      case fe_close:
        {
          TString80 code;
          for (int n = sheet.items()-1; n >= 0; n--)
          {
            const TToken_string& row = sheet.row(n);
            row.get(F_CODART-FIRST_FIELD, code);
            if (!code.blank())
            {
              if (!test_row(row))
                return FALSE;
            }
            else
              sheet.destroy(n);
          }
        }
        if (sheet.items() == 0)
          error_box(TR("E' necessario inserire almeno una riga nella distinta"));
        break;
      default:
        break;
      }
    }
    break;
  case F_TIPOCOMP:
    if (e == fe_init && o.focusdirty() &&
      ( *o.get()=='D' || *o.get()=='V'))
    {
      // introduzione di una distinta virtuale: il default è l'ereditarietà dei livelli di giac
      TMask & m = sfield(F_SHEET).sheet_mask();
      for (int l=0; l < 4; l++)
      {
        if (m.get(F_LIV1+l).blank())
          m.set(F_TIPOLIV1+l,"E");
      }
    }
    break;
  
  case F_CODART:
  case F_CODLAV:
  case F_CODDIS:
  case F_CODVAR:
    if (e == fe_modify || e == fe_init)
    {
      TMask& m = o.mask();
      const TEdit_field& ef = (const TEdit_field&)o;
      const TRectype& rec = ef.browse()->cursor()->curr();
      switch(rec.num())
      {
      case LF_ANAMAG:
        m.set(F_DESCOMP, rec.get(ANAMAG_DESCR));
        if (m.get(F_UMEXPR).empty())
        {
          const TCodice_articolo art = o.get();
          if (art.not_empty() && _tree.is_mag(art))
          {
            TCodice_um um = "$$"; // Unita' distinta
            TQuantita qta(art, um, ZERO);    
            m.set(F_UMEXPR, qta.um());
          }
        }   
        if (e == fe_modify && rec.get_bool("SOSPESO"))
          warning_box(FR("Attenzione l'articolo %s e' sospeso."), (const char *) rec.get(ANAMAG_CODART));
        break;
      case LF_DIST  :
        m.set(F_DESCOMP, rec.get("DESCR"));
        break;
      default       :
        m.set(F_DESCOMP, rec.get("S0"));
        m.set(F_UMEXPR, rec.get("S6"));
        break;
      }
    }
    break;
  case F_EXPR:
    if (e == fe_modify)
    {
      TAutomask& m = (TAutomask&)o.mask();
      const TString& str = o.get();
      if (str.not_empty())
      {
        TDistinta_expr expr;
        if (expr.set(str))
        {
          if (expr.numvar() > 0)
          {
            for (int v = expr.numvar()-1; v >= 0; v--)
            {
              const char* name = expr.varname(v);
              if (!_tree.is_global(name)) 
              {
                const TRectype& var = cache().get("VAR", name);
                if (var.empty())
                  return m.error_box(FR("La variabile %s non e' definita in tabella"), name);
              }
            }
          }
          else
            o.set(expr.as_string());
        }
        else
          return m.error_box(FR("Errore di sintassi: %s"), expr.last_token());
      }
      else
        return m.error_box(TR("L'espressione deve essere specificata"));
    }
    break;
  case F_SORT1:
  case F_SORT2:
  case F_SORT3:
  case F_SORT4:
  case F_SORT5:
    if ((fe_modify || fe_close) && o.empty())
    {
      TString16 key; key << (o.dlg() - F_SORT1 + 1);
      bool completo = cache().get("ORD", key).get_bool("B0");
      if (completo)
      {
        TAutomask& m = (TAutomask&)o.mask();
        TSheet_field& s = *m.get_sheet();
        return m.error_box(FR("Specificare l'ordinamento %s alla riga %d"),
                           (const char*)key, s.selected()+1);
      }
    }
    break;
  default:
    break;
  }
  return TRUE;
}

bool TDistinta_mask::on_parmsheet_event(TOperable_field& o, TField_event e, long jolly)
{
  TSheet_field &sf = sfield(F_PARAMS);
  const short id = o.dlg();
  switch (id)
  {
  case FV_PARAM:
    if (sf.row(sf.selected())[0] == 'G' && (e == fe_modify || e == fe_close))
    {
      const TString& var = o.get();
      if (!_tree.is_global(var))
        return error_box(FR("La variabile %s non e' una delle variabili globali. Consultare la documentazione del modulo Distinta Base"),(const char *)var);
    }
    break;
  case FV_VALUE:
    if (e == fe_modify || e == fe_close)
    {
      TString var;
      sf.row(sf.selected()).get(1,var);
      const TString& expr = o.get();
      TDistinta_expr e;
      const TTypeexp exprtype = _tree.get_var_type(var);
      if (!e.set(expr, exprtype))
        return FALSE;  

      for (int v = e.numvar()-1; v >= 0; v--)
      {
        const char* name = e.varname(v);
        if (!_tree.is_global(name))
        {
          const TRectype& var = cache().get("VAR", name);
          if (var.empty())
            return error_box(FR("La variabile %s non e' definita in tabella"), name);
        }
      }
    }
    break;
  default:
    break;
  }
  return TRUE;
}


static int _sort_key = 0;

static int compare_sheet_rows(const TObject** o1, const TObject** o2)
{
  TToken_string* s1 = (TToken_string*)*o1;
  TToken_string* s2 = (TToken_string*)*o2;

  const int key_pos = (_sort_key ? (F_SORT1+_sort_key-1) : F_SORT0) - FIRST_FIELD;
  long k1 = s1->get_long(key_pos);
  long k2 = s2->get_long(key_pos);

  if (k1 == 0) k1 = 100000000L;
  if (k2 == 0) k2 = 100000000L;

  return k1 == k2 ? 0 : (k1 > k2 ? +1 : -1);
}

bool TDistinta_mask::on_field_event(TOperable_field& o, TField_event e, long jolly)
{
  const short id = o.dlg();
  switch (id)
  {
  case F_CODICE:
    if (e == fe_init)
    {
      const TString& code = o.get();
      if (code.not_empty())
      {
        const char type = _tree.get_type(code);

        switch(type)
        {
        case 'A':
          {
            set(F_TIPO, "A", TRUE);     
          
            const TArticolo mag(code);        
            set(F_DESCR, mag.get(ANAMAG_DESCR));
            set(F_PREZZO, mag.get(ANAMAG_COSTSTD));
            set(F_PESO, mag.get(ANAMAG_PESO));
            set(F_UMP, mag.get(ANAMAG_UMP));                  
          }
          break;
        case 'L':
          {
            set(F_TIPO, "L", TRUE);     

            const TLavorazione lav(code);
            set(F_DESCR, lav.descr());
            set(F_UM, lav.um());
            set(F_PREZZO, lav.prezzo());
          }
          break;
        default:
          set(F_TIPO, "V", TRUE);     
          // le distinte virtuali non possono essere master    
          break;
        }
        load_um();
      }
    }
    break;
  case F_SORT:
    if (e == fe_modify || e == fe_close)
    {
      TSheet_field& sf = sfield(F_SHEET);
      _sort_key = atoi(o.get());
      if (e == fe_close)
      {                
        if (_sort_key > 0)
        {
          if (yesno_box(FR("Attenzione, l'ordine di immissione verra' modificato:\n"
                        "Si desidera registrare secondo l'ordinamento %d?"), _sort_key))
            _sort_key = -1;
          else
            _sort_key = 0;
          o.reset();
        }
        else
          _sort_key = -1;
      }
      if (_sort_key >= 0)
      {
        TString_array& a = sf.rows_array();
        a.TArray::sort(compare_sheet_rows);
        sf.force_update();
      }
    }
    break;
  case F_UNITA:
    return on_unitsheet_event(o, e, jolly);
  case F_SHEET:
    return on_distsheet_event(o, e, jolly);
  default:
    if (id >= 101 && id < 500)   // E' in uno sheet?
    {
      switch (jolly)
      {
      case 1 : return on_distsheet_event(o, e, jolly);
      case 3 : return on_parmsheet_event(o, e, jolly);
      default: break;
      }
    }
    break;
  }
  return TRUE;
}

TDistinta_mask::TDistinta_mask(TDistinta_tree& dt) 
              : TAutomask("db0500b"), _tree(dt)
{ 
  TSheet_field& sf = sfield(F_SHEET);
  sf.set_append(FALSE);
  TMask& sm = sf.sheet_mask();
  TString16 key;
  int i;
  for (i = 4; i >= 0; i--)
  {
    key.format("%d", i+1);
    const bool kill = cache().get("ORD",key).empty();
    if (kill)
    {
      const short id = F_SORT1+i;
      sm.hide(id);
      sf.delete_column(id);
    }
  }

  _livelli_giac = new TCodgiac_livelli();
  for (i = 3; i >= 0; i--)
  {
    const short id = F_LIV1+i*2;
    _livelli_giac->set_sheetcolumn(sf,id,i+1);
    if (!_livelli_giac->enabled(i+1))
    {
      sf.delete_column(id+1);
      sf.sheet_mask().hide(id+1);
    }
  }
  TSheet_field& su = sfield(F_UNITA);
  su.set_lines_record(*(new TRecord_array(LF_UMART, "NRIGA")));

  sf.set_userget(sheetrighe_get);
  sf.set_userput(sheetrighe_put);
  cache().test_file_changes(LF_TAB);
}


///////////////////////////////////////////////////////////
// TDistinta_app
///////////////////////////////////////////////////////////
bool TDistinta_app::user_create()
{
  _therel = new TRelation(LF_DIST);
  _querymask = new TQuery_mask(_tree);
  _themask = new TDistinta_mask(_tree);

  return TRUE;
}

bool TDistinta_app::user_destroy()
{
  delete _themask;
  delete _querymask;
  delete _therel;
  return TRUE;
}

void TDistinta_app::init_insert_mode(TMask &m)
{
  TSheet_field &f= (TSheet_field &)m.field(F_UNITA);
  if (f.items() == 0)
    f.row(0) = " |1"; // aggiunge una riga allo sheet
  m.set(F_MASTER,"X"); 
}

bool TDistinta_app::changing_mask(int mode)
{
  bool was_query = _mode == MODE_QUERY || _mode == MODE_QUERYINS;
  bool is_query = mode == MODE_QUERY || mode == MODE_QUERYINS;
  return was_query != is_query;
}

TMask* TDistinta_app::get_mask(int mode)
{
  const bool is_query = mode == MODE_QUERY || mode == MODE_QUERYINS;
  _mode = mode;
  return is_query ? (TMask*)_querymask : (TMask*)_themask;
}

void TDistinta_app::init_query_mode(TMask& m)
{
  ((TQuery_mask&)m).restart_tree();
  set_search_field(F_CODICE);
}

void TDistinta_app::load_memo(TMask& m, TToken_string& memo)
{
  TSheet_field& params = m.sfield(F_PARAMS);
  params.destroy();
  const int righe = memo.items();
  for (int i = 0; i < righe; i++)
  {
    TToken_string& row = params.row(i);
    memo.get(i, row);
    int equal = row.find('=');
    if (equal > 0)
      row[equal] = SAFE_PIPE_CHR;
    row.insert(format(" %c",SAFE_PIPE_CHR),0);
    if (_tree.is_global(row.get(1)))
      row[0]='G';
  }
}

int TDistinta_app::read(TMask& m)
{
  const int err = TRelation_application::read(m);

  if (err == NOERR)
  {
    TSheet_field& sheet = m.sfield(F_SHEET);
    FOR_EACH_SHEET_ROW(sheet, nrig, row)
    {
      sheet.check_row(nrig);
      sheet.row(nrig).add(nrig+1, sheet.cid2index(F_SORT0));
    }
    
    TToken_string memo(1024, '\n');
    memo = _therel->curr().get("PARAMETRI");
    load_memo(m, memo);
  }
  
  return err;
}

void TDistinta_app::ini2sheet(TConfig& ini, TSheet_field& s)
{
  if (s.dlg() == F_PARAMS)
  {
    const TFixed_string fname("PARAMETRI");
    TFieldref memof(fname, 0);
    TToken_string memo(1024, '\n');
    memo = memof.read(ini, "112");
    memo.replace(SAFE_PIPE_CHR, '\n');
    load_memo(s.mask(), memo);
  }
  else
  {
    TRelation_application::ini2sheet(ini, s);
  }
}

bool TDistinta_app::parms2rel(const TMask& m)
{
  TToken_string memo(1024, '\n');
  TSheet_field& parms = m.sfield(F_PARAMS);
  TString var,expr;
  FOR_EACH_SHEET_ROW(parms, r, row)
  {
    var = row->get(0);
    const char typ = var[0];
    var = row->get();
    if (!var.blank())
    {
      expr =  row->get();
      if (typ == 'G' && !_tree.is_global(var))
        error_box(FR("La variabile %s non e' una delle variabili globali. Consultare la documentazione del modulo Distinta Base"),(const char *)var);
      memo.add(var);
      memo << '=';
      memo << expr;
    }
  }
  _therel->curr().put("PARAMETRI", memo);

  // Azzera albero per rispecchiare eventuali modifiche
  _querymask->restart_tree();
  return TRUE;
}


int TDistinta_app::write(const TMask& m)
{
  parms2rel(m);
  int err = TRelation_application::write(m);
  if (err == NOERR)
  {
    TSheet_field& f = m.sfield(F_UNITA); // prende lo sheet delle unità di misura
    f.record()->renum_key(UMART_CODART, m.get(F_CODICE));
    err = f.record()->write(FALSE);
  }
  return err;  
}

int TDistinta_app::rewrite(const TMask& m)
{
  parms2rel(m);
  int err = TRelation_application::rewrite(m);
  if (err == NOERR)
  {
    TSheet_field& f= m.sfield(F_UNITA); // prende lo sheet delle unità di misura
    f.record()->renum_key(UMART_CODART, m.get(F_CODICE));
    err = f.record()->write(TRUE);
  }
  return err;  
}

void TDistinta_app::sheet2ini(TSheet_field& s, TConfig& ini)
{
  if (s.dlg() == F_PARAMS)
  {
    parms2rel(s.mask());
    const TFixed_string fname("PARAMETRI");
    TFieldref memof(fname, LF_DIST);
    TString memo = memof.read(_therel->curr());
    memo.replace('\n', SAFE_PIPE_CHR);
    memof.write(ini, "112", memo);
  }
  else
  {
    TRelation_application::sheet2ini(s, ini);
  }
}

bool TDistinta_app::remove()
{
  bool ok = TRelation_application::remove();
  if (ok)
  {
    TMask &m=curr_mask();
    TSheet_field &f= (TSheet_field &)m.field(F_UNITA); // prende lo sheet delle unità di misura
    TLocalisamfile anamag(LF_ANAMAG);
    anamag.put("CODART",m.get(F_CODICE));
    int err=anamag.read();// esiste l'articolo
    switch(err)
    { 
      case _iskeynotfound :
      case _isemptyfile :
      case _iseof:
        ok = f.record()->remove()==NOERR;
        break;
      default:
        break;
    }
  }
  return ok;
}

///////////////////////////////////////////////////////////
// db0500 gestione distinte
///////////////////////////////////////////////////////////

int db0500(int argc, char* argv[])
{
  TDistinta_app a;
  a.run(argc, argv, TR("Distinta base"));
  return 0;
}