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/* 
 * tabset: set a table with a list of floats
 *
 * (c) 1999-2011 IOhannes m zmölnig, forum::für::umläute, institute of electronic music and acoustics (iem)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/* you could also send a message [0 <data...>( to the table to achieve the same result */

#include "zexy.h"


/* =================== tabset ====================== */

static t_class *tabset_class;

typedef struct _tabset
{
  t_object x_obj;
  t_symbol *x_arrayname;
} t_tabset;

static void tabset_float(t_tabset *x, t_floatarg f)
{
  t_garray *A;
  int npoints;
  zarray_t *vec;

  if (!(A = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
    error("%s: no such array", x->x_arrayname->s_name);
  else if (!zarray_getarray(A, &npoints, &vec))
    error("%s: bad template for tabset", x->x_arrayname->s_name);
  else {
    while(npoints--){
      zarray_setfloat(vec, 0, f);
      vec++;
    }
    garray_redraw(A);
  }
}

static void tabset_list(t_tabset *x, t_symbol *s, int argc, t_atom* argv)
{
  t_garray *A;
  int npoints;
  zarray_t *vec;
  ZEXY_USEVAR(s);

  if (!(A = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
    error("%s: no such array", x->x_arrayname->s_name);
  else if (!zarray_getarray(A, &npoints, &vec))
    error("%s: bad template for tabset", x->x_arrayname->s_name);
  else {
    if (argc>=npoints)
      while(npoints--){
        t_float f= atom_getfloat(argv++);
        zarray_setfloat(vec, 0, f);
        vec++;
      }
    else {
      npoints-=argc;
      while (argc--){
        t_float f= atom_getfloat(argv++);
        zarray_setfloat(vec, 0, f);
        vec++;
      }
      while (npoints--){
        zarray_setfloat(vec, 0, 0);
        vec++;
      }
    }
    garray_redraw(A);
  }
}
static void tabset_set(t_tabset *x, t_symbol *s)
{
  x->x_arrayname = s;
}

static void *tabset_new(t_symbol *s)
{
  t_tabset *x = (t_tabset *)pd_new(tabset_class);
  x->x_arrayname = s;

  return (x);
}

static void tabset_helper(void)
{
  post("\n"HEARTSYMBOL" tabset - object : set a table with a package of floats");
  post("'set <table>'\t: set another table\n"
       "<list>\t\t: set the table"
       "<float>\t\t: set the table to constant float\n");
  post("creation\t: \"tabset <table>\"");
}

void tabset_setup(void)
{
  tabset_class = class_new(gensym("tabset"), (t_newmethod)tabset_new,
			     0, sizeof(t_tabset), 0, A_DEFSYM, 0);
  class_addfloat(tabset_class, (t_method)tabset_float);
  class_addlist (tabset_class, (t_method)tabset_list);
  class_addmethod(tabset_class, (t_method)tabset_set, gensym("set"),
		  A_SYMBOL, 0);

  class_addmethod(tabset_class, (t_method)tabset_helper, gensym("help"), 0);
  zexy_register("tabset");
}