File:  [LON-CAPA] / loncom / interface / courseclassifier.pm
Revision 1.28: download - view: text, annotated - select for diffs
Sat Nov 5 06:00:07 2022 UTC (18 months, 2 weeks ago) by raeburn
Branches: MAIN
CVS tags: HEAD
- In cases where course codes have been assigned to course(s) in a domain,
  but instcode_format() routine in localenroll.pm has not been customized,
  totcodes item (value is number of courses with codes) must be present
  in the instcats hash ref.
- Without this the text: "No official courses to display" will be shown above
  a listing of official courses, and clicking the "Show more details" link
  for a course will do nothing.

    1: # The LearningOnline Network with CAPA
    2: # Utilities for classifying courses based on institutional code
    3: #
    4: # $Id: courseclassifier.pm,v 1.28 2022/11/05 06:00:07 raeburn Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA#
   23: # /home/httpd/html/adm/gpl.txt
   24: #
   25: # http://www.lon-capa.org/
   26: #
   27: 
   28: package Apache::courseclassifier;
   29: 
   30: use strict;
   31: use lib '/home/httpd/lib/perl/';
   32: use Apache::lonnet;
   33: use Apache::loncommon;
   34: use Apache::lonlocal;
   35: use LONCAPA;
   36: 
   37: sub sort_cats {
   38:     my ($num,$cat_order,$codetitles,$idsarrayref,$sorted) = @_;
   39:     my @unsorted = @{$idsarrayref};
   40:     if (defined($$cat_order{$$codetitles[$num]})) {
   41:         foreach my $item (@{$$cat_order{$$codetitles[$num]}}) {
   42:             if (grep/^\Q$item\E$/,@unsorted) {
   43:                 push(@{$sorted},$item);
   44:             }
   45:         }
   46:     } else {
   47:         @{$sorted} = sort (@unsorted);
   48:     }
   49: }
   50: 
   51: sub recurse_list {
   52:     my ($cid,$codetitles,$codes,$num,$idarrays) = @_;
   53:     if ($num == 0) {
   54:         if (!grep/^$$codes{$cid}{$$codetitles[0]}$/,@{$$idarrays{$$codetitles[0]}}) {
   55:             push @{$$idarrays{$$codetitles[0]}}, $$codes{$cid}{$$codetitles[0]};
   56:         }
   57:     } elsif ($num == 1) {
   58:         if (defined($$idarrays{$$codetitles[1]}{$$codes{$cid}{$$codetitles[0]}})) {
   59:             if (!grep/^$$codes{$cid}{$$codetitles[1]}$/,@{$$idarrays{$$codetitles[1]}{$$codes{$cid}{$$codetitles[0]}}}) {
   60:                 push @{$$idarrays{$$codetitles[1]}{$$codes{$cid}{$$codetitles[0]}}}, $$codes{$cid}{$$codetitles[1]};
   61:             }
   62:         } else {
   63:             @{$$idarrays{$$codetitles[1]}{$$codes{$cid}{$$codetitles[0]}}} = ("$$codes{$cid}{$$codetitles[1]}");
   64:         }
   65:     } elsif ($num == 2) {
   66:         if (defined($$idarrays{$$codetitles[2]}{$$codes{$cid}{$$codetitles[0]}})) {
   67:             if (defined($$idarrays{$$codetitles[2]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}})) {
   68:                 if (!grep/^$$codes{$cid}{$$codetitles[2]}$/,@{$$idarrays{$$codetitles[2]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}}) {
   69:                     push @{$$idarrays{$$codetitles[2]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}}, $$codes{$cid}{$$codetitles[2]};
   70:                 }
   71:             } else {
   72:                 @{$$idarrays{$$codetitles[2]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}} = ("$$codes{$cid}{$$codetitles[2]}");            }
   73:         } else {
   74:             %{$$idarrays{$$codetitles[2]}{$$codes{$cid}{$$codetitles[0]}}} = ();
   75:             @{$$idarrays{$$codetitles[2]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}} = ("$$codes{$cid}{$$codetitles[2]}");
   76:         }
   77:     } elsif ($num == 3) {
   78:         if (defined($$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}})) {
   79:             if (defined($$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}})) {
   80:                 if (defined($$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}})) {
   81:                     if (!grep/^$$codes{$cid}{$$codetitles[3]}$/,@{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}}) {
   82:                         push @{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}}, $$codes{$cid}{$$codetitles[3]};
   83:                     }
   84:                 } else {
   85:                     @{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}} = ("$$codes{$cid}{$$codetitles[3]}");
   86:                 }
   87:             } else {
   88:                 %{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}} = ();
   89:                 @{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}} = ("$$codes{$cid}{$$codetitles[3]}");
   90:             }
   91:         } else {
   92:             %{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}} = ();
   93:             %{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}} = ();
   94:             @{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}} = ("$$codes{$cid}{$$codetitles[3]}");
   95:         }
   96:     } elsif ($num == 4) {
   97:         if (defined($$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}})) {
   98:             if (defined($$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}})) {
   99:                 if (defined($$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}})) {
  100:                     if (defined($$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}{$$codes{$cid}{$$codetitles[3]}})) {
  101:                         if (!grep/^$$codes{$cid}{$$codetitles[4]}$/,@{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}{$$codes{$cid}{$$codetitles[3]}}}) {
  102:                             push @{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}{$$codes{$cid}{$$codetitles[3]}}}, $$codes{$cid}{$$codetitles[4]};
  103:                         }
  104:                     } else {
  105:                         @{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}{$$codes{$cid}{$$codetitles[3]}}} = ("$$codes{$cid}{$$codetitles[4]}");
  106:                     }
  107:                 } else {
  108:                     %{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}} = ();
  109:                     @{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}{$$codes{$cid}{$$codetitles[3]}}} = ("$$codes{$cid}{$$codetitles[4]}");
  110:                 }
  111:             } else {
  112:                 %{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}} = ();
  113:                 %{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}} = ();
  114:                 @{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}{$$codes{$cid}{$$codetitles[3]}}} = ("$$codes{$cid}{$$codetitles[4]}");
  115:             }
  116:         } else {
  117:             %{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}} = ();
  118:             %{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}} = ();
  119:             %{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}} = ();
  120:             @{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[3]}}} = ("$$codes{$cid}{$$codetitles[3]}");
  121:         }
  122:     }
  123:     $num ++;
  124:     if ($num <@{$codetitles}) {
  125:         &recurse_list($cid,$codetitles,$codes,$num,$idarrays);
  126:     }
  127: }
  128: 
  129: sub build_code_selections {
  130:     my ($codes,$codetitles,$cat_titles,$cat_order,$idlist,$idnums,$idlist_titles) = @_;
  131:     my %idarrays = ();
  132:     for (my $i=1; $i<@{$codetitles}; $i++) {
  133:         %{$idarrays{$$codetitles[$i]}} = ();
  134:     }
  135:     foreach my $cid (sort(keys(%{$codes}))) {
  136:         &recurse_list($cid,$codetitles,$codes,0,\%idarrays);
  137:     }
  138:     for (my $num=0; $num<@{$codetitles}; $num++) {
  139:         if ($num == 0) {
  140:             my @contents = ();
  141:             my @contents_titles = ();
  142:             &sort_cats($num,$cat_order,$codetitles,\@{$idarrays{$$codetitles[0]}},\@contents);
  143:             if (defined($$cat_titles{$$codetitles[0]})) {
  144:                 foreach (@contents) {
  145:                     push @contents_titles, $$cat_titles{$$codetitles[0]}{$_};
  146:                 }
  147:             }
  148:             $$idlist{$$codetitles[0]} = join('","',@contents);
  149:             $$idnums{$$codetitles[0]} = scalar(@contents);
  150:             if (defined($$cat_titles{$$codetitles[0]})) {
  151:                 $$idlist_titles{$$codetitles[0]} = join('","',@contents_titles);
  152:             }
  153:         } elsif ($num == 1) {
  154:             %{$$idlist{$$codetitles[1]}} = ();
  155:             %{$$idlist_titles{$$codetitles[1]}} = ();
  156:             foreach my $key_a (keys(%{$idarrays{$$codetitles[1]}})) {
  157:                 my @sorted_a = ();
  158:                 my @sorted_a_titles = ();
  159:                 &sort_cats($num,$cat_order,$codetitles,\@{$idarrays{$$codetitles[1]}{$key_a}},\@sorted_a);
  160:                 if (defined($$cat_titles{$$codetitles[1]})) {
  161:                     foreach (@sorted_a) {
  162:                         push @sorted_a_titles, $$cat_titles{$$codetitles[1]}{$_};
  163:                     }
  164:                 }
  165:                 $$idlist{$$codetitles[1]}{$key_a} = join('","',@sorted_a);
  166:                 $$idnums{$$codetitles[1]}{$key_a} = scalar(@sorted_a);
  167:                 if (defined($$cat_titles{$$codetitles[1]})) {
  168:                     $$idlist_titles{$$codetitles[1]}{$key_a} = join('","',@sorted_a_titles);
  169:                 }
  170:             }
  171:         } elsif ($num == 2) {
  172:             %{$$idlist{$$codetitles[2]}} = ();
  173:             %{$$idlist_titles{$$codetitles[2]}} = ();
  174:             foreach my $key_a (keys(%{$idarrays{$$codetitles[2]}})) {
  175:                 %{$$idlist{$$codetitles[2]}{$key_a}} = ();
  176:                 %{$$idlist_titles{$$codetitles[2]}{$key_a}} = ();
  177:                 foreach my $key_b (keys(%{$idarrays{$$codetitles[2]}{$key_a}})) {
  178:                     my @sorted_b = ();
  179:                     my @sorted_b_titles = ();
  180:                     &sort_cats($num,$cat_order,$codetitles,\@{$idarrays{$$codetitles[2]}{$key_a}{$key_b}},\@sorted_b);
  181:                     if (defined($$cat_titles{$$codetitles[2]})) {
  182:                         foreach (@sorted_b) {
  183:                             push @sorted_b_titles, $$cat_titles{$$codetitles[2]}{$_};
  184:                         }
  185:                     }
  186:                     $$idlist{$$codetitles[2]}{$key_a}{$key_b} = join('","',@sorted_b);
  187:                     $$idnums{$$codetitles[2]}{$key_a}{$key_b} = scalar(@sorted_b);
  188:                     if (defined($$cat_titles{$$codetitles[2]})) {
  189:                         $$idlist_titles{$$codetitles[2]}{$key_a}{$key_b} = join('","',@sorted_b_titles);
  190:                     }
  191:                 }
  192:             }
  193:         } elsif ($num == 3) {
  194:             %{$$idlist{$$codetitles[3]}} = ();
  195:             foreach my $key_a (keys(%{$idarrays{$$codetitles[3]}})) {
  196:                 %{$$idlist{$$codetitles[3]}{$key_a}} = ();
  197:                 foreach my $key_b (keys(%{$idarrays{$$codetitles[3]}{$key_a}})) {
  198:                     %{$$idlist{$$codetitles[3]}{$key_a}{$key_b}} = ();
  199:                     foreach my $key_c (keys(%{$idarrays{$$codetitles[3]}{$key_a}{$key_b}})) {
  200:                         my @sorted_c = ();
  201:                         my @sorted_c_titles = ();
  202:                         &sort_cats($num,$cat_order,$codetitles,\@{$idarrays{$$codetitles[3]}{$key_a}{$key_b}{$key_c}},\@sorted_c);
  203:                         if (defined($$cat_titles{$$codetitles[3]})) {
  204:                             foreach (@sorted_c) {
  205:                                 push @sorted_c_titles, $$cat_titles{$$codetitles[3]}{$_};
  206:                             }
  207:                         }
  208:                         $$idlist{$$codetitles[3]}{$key_a}{$key_b}{$key_c} = join('","',@sorted_c);
  209:                         $$idnums{$$codetitles[3]}{$key_a}{$key_b}{$key_c} = scalar(@sorted_c);
  210:                         if (defined($$cat_titles{$$codetitles[3]})) {
  211:                             $$idlist_titles{$$codetitles[3]}{$key_a}{$key_b}{$key_c} = join('","',@sorted_c_titles);
  212:                         }
  213:                     }
  214:                 }
  215:             }
  216:         } elsif ($num == 4) {
  217:             %{$$idlist{$$codetitles[4]}} = ();
  218:             foreach my $key_a (keys(%{$idarrays{$$codetitles[4]}})) {
  219:                 %{$$idlist{$$codetitles[4]}{$key_a}} = ();
  220:                 foreach my $key_b (keys(%{$idarrays{$$codetitles[4]}{$key_a}})) {
  221:                     %{$$idlist{$$codetitles[4]}{$key_a}{$key_b}} = ();
  222:                     foreach my $key_c (keys(%{$idarrays{$$codetitles[4]}{$key_a}{$key_b}})) {
  223:                         %{$$idlist{$$codetitles[4]}{$key_a}{$key_b}{$key_c}} = ();
  224:                         foreach my $key_d (keys(%{$idarrays{$$codetitles[4]}{$key_a}{$key_b}{$key_c}})) {
  225:                             my @sorted_d = ();
  226:                             my @sorted_d_titles = ();
  227:                             &sort_cats($num,$cat_order,$codetitles,$idarrays{$$codetitles[4]}{$key_a}{$key_b}{$key_c}{$key_d},\@sorted_d);
  228:                             if (defined($$cat_titles{$$codetitles[4]})) {
  229:                                 foreach (@sorted_d) {
  230:                                     push @sorted_d_titles, $$cat_titles{$$codetitles[4]}{$_};
  231:                                 }
  232:                             }
  233:                             $$idlist{$$codetitles[4]}{$key_a}{$key_b}{$key_c}{$key_d} = join('","',@sorted_d);
  234:                             $$idnums{$$codetitles[4]}{$key_a}{$key_b}{$key_c}{$key_d} = scalar(@sorted_d);
  235:                             if (defined($$cat_titles{$$codetitles[4]})) {
  236:                                 $$idlist_titles{$$codetitles[3]}{$key_a}{$key_b}{$key_c}{$key_d} = join('","',@sorted_d_titles);
  237:                             }
  238:                         }
  239:                     }
  240:                 }
  241:             }
  242:         }
  243:     }
  244: }
  245: 
  246: sub javascript_code_selections {
  247:     my ($formname,$codetitlesref,$knowncodes,$sectionlist) = @_;
  248:     return unless (ref($codetitlesref) eq 'ARRAY');
  249:     my @codetitles = @{$codetitlesref};
  250:     my $numtitles = @codetitles;
  251:     my %lt = &Apache::lonlocal::texthash(
  252:                       Select => 'Select',
  253:                       Pick   => 'Pick',
  254:              );
  255:     my $output = (<<END_OF_BLOCK);
  256:  var display = new Array($numtitles)
  257:  if (caller == "" || caller == "$codetitles[0]") {
  258:      if (caller == "") {
  259:          document.$formname.Year.length = 0
  260:          document.$formname.Year.options[0] = new Option("$lt{'Select'}","-1",true,true)
  261:          display[0] = new Array(idyears.length)
  262:          for (var i=0; i<idyears.length; i++) {
  263:              display[0][i] = idyears[i]
  264:              if (longtitles[0] == 1) {
  265:                  if (idyearslongs[i] != "") {
  266:                      display[0][i] = idyearslongs[i]
  267:                  }
  268:              }
  269:              else {
  270:                  if (idyearslongs[i] != "") {
  271:                      display[0][i] = idyears[i]
  272:                  }
  273:              }
  274:              document.$formname.Year.options[i+1] = new Option(display[0][i],idyears[i],false,false)
  275:          }
  276:          document.$formname.Year.selectedIndex = 0;
  277:      }
  278:      document.$formname.Semester.length = 0
  279:      document.$formname.Department.length = 0;
  280:      document.$formname.Number.length = 0
  281:      document.$formname.Department.options[0] = new Option("<-$lt{'Pick'} $codetitles[1]","-1",true,true)
  282:      document.$formname.Number.options[0] = new Option("<-$lt{'Pick'} $codetitles[2]","-1",true,true)
  283:      if (idyr == 0 || caller == "") {
  284:          document.$formname.Semester.options[0] = new Option("<-$lt{'Pick'} $codetitles[0]","-1",true,true)
  285:      }
  286:      else {
  287:          document.$formname.Semester.options[0] = new Option("$lt{'Select'}","-1",true,true)
  288:          display[1] = new Array(idsems[idyr-1].length)
  289:          for (var i=0; i<idsems[idyr-1].length; i++) {
  290:              display[1][i] = idsems[idyr-1][i]
  291:              if (longtitles[1] == 1) {
  292:                  if (idsemslongs[idyr-1][i] != "") {
  293:                      display[1][i] = idsemslongs[idyr-1][i]
  294:                  }
  295:              }
  296:              document.$formname.Semester.options[i+1] = new Option(display[1][i],idsems[idyr-1][i],false,false)
  297:          }
  298:      }
  299:      document.$formname.Semester.selectedIndex = 0;
  300:  }
  301:  if (caller == "$codetitles[1]") {
  302:    document.$formname.Department.length = 0
  303:    document.$formname.Number.length = 0
  304:    document.$formname.Number.options[0] = new Option("<-Pick $codetitles[2]","-1",true,true)
  305:    if (idsem == 0) {
  306:      document.$formname.Department.options[0] = new Option("<-$lt{'Pick'} $codetitles[1]","-1",true,true)
  307:    }
  308:    else {
  309:     document.$formname.Department.options[0] = new Option("$lt{'Select'}","-1",true,true)
  310:     display[2] = new Array(idcodes[idyr-1][idsem-1].length)
  311:     for (var i=0; i<idcodes[idyr-1][idsem-1].length; i++) {
  312:       display[2][i] = idcodes[idyr-1][idsem-1][i]
  313:       if (longtitles[2] == 1) {
  314:           if (idcodeslongs[idyr-1][idsem-1][i] != "") {
  315:               display[2][i] = idcodeslongs[idyr-1][idsem-1][i]
  316:           }
  317:       }
  318:       document.$formname.Department.options[i+1] = new Option(display[2][i],idcodes[idyr-1][idsem-1][i],false,false)
  319:     }
  320:    }
  321:    document.$formname.Department.selectedIndex = 0
  322:  }
  323:  if (caller == "$codetitles[2]") {
  324:    document.$formname.Number.length = 0
  325:    if (iddept == 0) {
  326:      document.$formname.Number.options[0] = new Option("<-$lt{'Pick'} $codetitles[2]","-1",true,true)
  327:    }
  328:    else {
  329:     document.$formname.Number.options[0] = new Option("Select","-1",true,true)
  330:     display[3] = new Array (idcourses[idyr-1][idsem-1][iddept-1].length)
  331:     for (var i=0; i<idcourses[idyr-1][idsem-1][iddept-1].length; i++) {
  332:       display[3][i] = idcourses[idyr-1][idsem-1][iddept-1][i]
  333:       if (longtitles[3] == 1) {
  334:         if (idcourseslongs[idyr-1][idsem-1][iddept-1][i] != "") {
  335:             display[3][i] = idcourseslongs[idyr-1][idsem-1][iddept-1][i]
  336:         }
  337:       }
  338:       document.$formname.Number.options[i+1] = new Option(display[3][i],idcourses[idyr-1][idsem-1][iddept-1][i],false,false)
  339:     }
  340:    }
  341:    document.$formname.Number.selectedIndex = 0
  342:  }
  343: }
  344: END_OF_BLOCK
  345: 
  346:     if ((ref($knowncodes) eq 'HASH') && (keys(%{$knowncodes}) > 0)) {
  347:         my @standardnames = &Apache::loncommon::get_standard_codeitems();
  348:         my (%local_to_standard,$currstr);
  349:         for (my $i=0; $i<@codetitles; $i++) {
  350:             $local_to_standard{$codetitles[$i]} = $standardnames[$i];
  351:         }
  352:         $output .= <<"ENDJS";
  353: 
  354: function initialize_codes() {
  355: ENDJS
  356:         for (my $i=0; $i<@codetitles-1; $i++) {
  357:             my $item = $local_to_standard{$codetitles[$i]};
  358:             $currstr .= $knowncodes->{$codetitles[$i]};
  359:             if ($knowncodes->{$codetitles[$i]} != -1) {
  360:                 $output .= '
  361:     for (var j=0; j<document.'.$formname.'.'.$item.'.length; j++) {
  362:         if (document.'.$formname.'.'.$item.'[j].value == "'.$knowncodes->{$codetitles[$i]}.'") {
  363:             document.'.$formname.'.'.$item.'.selectedIndex = j;
  364:         }
  365:     }
  366: ';
  367:             }
  368:             $output .= '   courseSet('."'$codetitles[$i]'".')'."\n";
  369:         }
  370:         my $lastcodetitle =  $local_to_standard{$codetitles[-1]};
  371:         $currstr .= $knowncodes->{$codetitles[-1]};
  372:         if ($knowncodes->{$codetitles[-1]} != -1) {
  373:             $output .= '
  374:     for (var j=0; j<document.'.$formname.'.'.$lastcodetitle.'.length; j++) {
  375:         if (document.'.$formname.'.'.$lastcodetitle.'[j].value == "'.$knowncodes->{$codetitles[-1]}.'") {
  376:             document.'.$formname.'.'.$lastcodetitle.'.selectedIndex = j;
  377:         }
  378:     }
  379: ';
  380:         }
  381:         $output .= "    return;\n}\n";
  382:         if ($sectionlist) {
  383:             $output .= '
  384: function toggleSecVis() {
  385:     var currcode = "";
  386:     var crscode = '."'$currstr'".';
  387: ';
  388:             for (my $i=0; $i<@codetitles-1; $i++) {
  389:                 my $item = $local_to_standard{$codetitles[$i]};
  390:                 $output .= 'currcode += document.'.$formname.'.'.$item.'.options[document.'.$formname.'.'.$item.'.selectedIndex].value;'."\n";
  391:             }
  392:             my $lastcodetitle =  $local_to_standard{$codetitles[-1]};
  393:             if ($lastcodetitle ne '') {
  394:                 if ($knowncodes->{$codetitles[-1]} != -1) {
  395:                     $output .= 'currcode += document.'.$formname.'.'.$lastcodetitle.'.options[document.'.$formname.'.'.$lastcodetitle.'.selectedIndex].value;'."\n";
  396:                 }
  397:             }
  398:             $output .= <<"ENDSEC";
  399:     var showlist = 'none';
  400:     var showbox = 'inline';
  401:     if ((crscode != '') && (currcode == crscode)) {
  402:         showlist = 'inline';
  403:         showbox = 'none';
  404:     }
  405:     alert("crscode is ||"+crscode+"|| and currcode is ||"+currcode+"|| and showlist is ||"+showlist+"|| and showbox is ||"+showbox+"||");
  406:     if (document.getElementById('LC_helpdesk_sectionlist')) {
  407:         document.getElementById('LC_helpdesk_sectionlist').style.display = showlist;
  408:     }
  409:     if (document.getElementById('LC_helpdesk_section')) {
  410:         document.getElementById('LC_helpdesk_section').style.display = showbox;
  411:     }
  412:     return;
  413: }
  414: 
  415: ENDSEC
  416: 
  417:         }
  418:     } else {
  419:         $output .= <<"END_OF_JS";
  420: 
  421: function initialize_codes() {
  422:     courseSet();
  423:     return;
  424: }
  425: END_OF_JS
  426:     }
  427:     return $output;
  428: }
  429: 
  430: sub javascript_definitions {
  431:     my ($codetitles,$idlist,$idlist_titles,$idnums,$cat_titles) = @_;
  432:     my $numtitles = @{$codetitles};
  433:     my $longtitles = [];
  434:     for (my $i=0; $i<$numtitles; $i++) {
  435:        if (defined($cat_titles->{$codetitles->[$i]})) {
  436:            $longtitles->[$i] = 1;
  437:        } else {
  438:            $longtitles->[$i] = 0;
  439:        }
  440:     }
  441:     my $scripttext;
  442:     if ($longtitles->[0]) {
  443:         $scripttext =
  444:           qq|      var idyearslongs = new Array("$idlist_titles->{$codetitles->[0]}")\n|;
  445:     }
  446:     $scripttext .=
  447:           "      var idsems = new Array ($idnums->{$codetitles->[0]})\n";
  448:     if ($longtitles->[1]) {
  449:         $scripttext .=
  450:           "      var idsemslongs = new Array ($idnums->{$codetitles->[0]})\n";    }
  451:     $scripttext .=
  452:           "      var idcodes = new Array ($idnums->{$codetitles->[0]})\n";
  453:     if ($longtitles->[2]) {
  454:         $scripttext .=
  455:           "      var idcodeslongs = new Array ($idnums->{$codetitles->[0]})\n";
  456:     }
  457:     $scripttext .=
  458:           "      var idcourses = new Array ($idnums->{$codetitles->[0]})\n";
  459:     if ($longtitles->[3]) {
  460:         $scripttext .=
  461:           "      var idcourseslongs =  new Array ($idnums->{$codetitles->[0]})\n";
  462:     }
  463:     my @sort_a = split/","/,$idlist->{$codetitles->[0]};
  464:     for (my $j=0; $j<@sort_a; $j++) {
  465:         $scripttext .= qq| idsems[$j] = new Array("$idlist->{$codetitles->[1]}{$sort_a[$j]}")\n|;
  466:         if ($longtitles->[1]) {
  467:             $scripttext .= qq| idsemslongs[$j] = new Array("$idlist_titles->{$codetitles->[1]}{$sort_a[$j]}")\n|;
  468:         }
  469:         $scripttext .= qq| idcodes[$j] = new Array($idnums->{$codetitles->[1]}{$sort_a[$j]})\n|;
  470:         if ($longtitles->[2]) {
  471:             $scripttext .= qq| idcodeslongs[$j] = new Array($idnums->{$codetitles->[1]}{$sort_a[$j]})\n|;
  472:         }
  473:         $scripttext .= qq| idcourses[$j] = new Array($idnums->{$codetitles->[1]}{$sort_a[$j]})\n|;
  474:         if ($longtitles->[3]) {
  475:             $scripttext .= qq| idcourseslongs[$j] = new Array($idnums->{$codetitles->[1]}{$sort_a[$j]})\n|;
  476:         }
  477:         my @sort_b = split/","/,$idlist->{$codetitles->[1]}{$sort_a[$j]};
  478:         for (my $k=0; $k<@sort_b; $k++) {
  479:             my $idcode_entry = $idlist->{$codetitles->[2]}{$sort_a[$j]}{$sort_b[$k]};
  480:             $scripttext .= qq| idcodes[$j][$k] = new Array("$idcode_entry")\n|;
  481:             if ($longtitles->[2]) {
  482:                 my $idcodelong_entry = $idlist_titles->{$codetitles->[2]}{$sort_a[$j]}{$sort_b[$k]};
  483:                 $scripttext .= qq| idcodeslongs[$j][$k] = new Array("$idcodelong_entry")\n|;
  484:             }
  485:             $scripttext .= qq| idcourses[$j][$k] = new Array($idnums->{$codetitles->[2]}{$sort_a[$j]}{$sort_b[$k]})\n|;
  486:             if ($longtitles->[3]) {
  487:                 $scripttext .= qq| idcourseslongs[$j][$k] = new Array($idnums->{$codetitles->[2]}{$sort_a[$j]}{$sort_b[$k]})\n|;
  488:             }
  489:             my @sort_c = split/","/,$idlist->{$codetitles->[2]}{$sort_a[$j]}{$sort_b[$k]};
  490:             for (my $l=0; $l<@sort_c; $l++) {
  491:                 my $idcourse_entry = $idlist->{$codetitles->[3]}{$sort_a[$j]}{$sort_b[$k]}{$sort_c[$l]};
  492:                 $scripttext .= qq| idcourses[$j][$k][$l] = new Array("$idcourse_entry")\n|;
  493:                 if ($longtitles->[3]) {
  494:                     my $idcourselong_entry = $idlist_titles->{$codetitles->[3]}{$sort_a[$j]}{$sort_b[$k]}{$sort_c[$l]};
  495:                     $scripttext .= qq| idcourseslongs[$j][$k][$l] = new Array("$idcourselong_entry")\n|;
  496:                 }
  497:             }
  498:         }
  499:     }
  500:     return ($scripttext,$longtitles);
  501: }
  502: 
  503: sub courseset_js_start {
  504:     my ($formname,$longtitles_str,$allidlist) = @_;
  505:     my $output = <<END;
  506: 
  507: function courseSet(caller) {
  508:     var longtitles = new Array ("$longtitles_str");
  509:     var idyr = document.$formname.Year.selectedIndex
  510:     var idsem  = document.$formname.Semester.selectedIndex
  511:     var iddept = document.$formname.Department.selectedIndex
  512:     var idclass = document.$formname.Number.selectedIndex
  513:     var idyears = new Array("$allidlist");
  514: END
  515:     return $output;
  516: }
  517: 
  518: sub instcode_selectors_data {
  519:     my ($codedom,$formname,$cat_items,$codetitles,$cat_titles,$cat_order,$officialjs) = @_;
  520:     my ($jscript,$codes,%idlist,%idnums,%idlist_titles,%by_year,%by_sem,%by_dept);
  521:     my ($numtitles,$lasttitle,$totcodes);
  522:     my $instcats = &Apache::lonnet::get_dom_instcats($codedom);
  523:     if (ref($instcats) eq 'HASH') {
  524:         if ((ref($instcats->{'codetitles'}) eq 'ARRAY') && (ref($instcats->{'codes'}) eq 'HASH') &&
  525:             (ref($instcats->{'cat_titles'}) eq 'HASH') && (ref($instcats->{'cat_order'}) eq 'HASH')) {
  526:             %{$codes} = %{$instcats->{'codes'}};
  527:             @{$codetitles} = @{$instcats->{'codetitles'}};
  528:             %{$cat_titles} = %{$instcats->{'cat_titles'}};
  529:             %{$cat_order} = %{$instcats->{'cat_order'}};
  530:             $totcodes = scalar(keys(%{$codes}));
  531:             if ((!$totcodes) && (exists($instcats->{'totcodes'}))) {
  532:                 $totcodes = $instcats->{'totcodes'};  
  533:             }
  534:             &build_code_selections($codes,$codetitles,$cat_titles,$cat_order,
  535:                                    \%idlist,\%idnums,\%idlist_titles);
  536:             my ($scripttext,$longtitles) = 
  537:                 &javascript_definitions($codetitles,\%idlist,\%idlist_titles,
  538:                                         \%idnums,$cat_titles);
  539:             my $longtitles_str = join('","',@{$longtitles});
  540:             my $allidlist = $idlist{$codetitles->[0]};
  541:             $numtitles = @{$codetitles};
  542:             $lasttitle = $numtitles;
  543:             if ($numtitles > 4) {
  544:                 $lasttitle = 4;
  545:             }
  546:             if ($numtitles == 0) {
  547:                 if (!defined($env{'form.state'})) {
  548:                     $env{'form.state'} = 'listing';
  549:                 }
  550:             } else {
  551:                 my @data = ('top');
  552:                 for (my $k=0; $k<$lasttitle; $k++) {
  553:                     my $cat = $codetitles->[$k];
  554:                     my $level = 1;
  555:                     $level = &recurse_options($codetitles->[$k],$idlist{$codetitles->[$k]},$level,$cat,$cat_items,\@data,\%by_year,\%by_sem,\%by_dept);
  556:                 }
  557:                 $scripttext .= &build_javascript(\%by_year,\%by_sem,\%by_dept,$cat_order,$codetitles);
  558:                 if ($officialjs) {
  559:                     $jscript .= '
  560: 
  561: function toggleOfficial() {
  562:    var choice; 
  563:    for (var i=0; i<document.'.$formname.'.official.length; i++) {
  564:        if (document.'.$formname.'.official[i].checked) {
  565:            choice = document.'.$formname.'.official[i].value;
  566:        }
  567:    }
  568:    if (choice == "off") {
  569:        if (document.getElementById("instcodes")) {
  570:            document.getElementById("instcodes").style.display = "none";
  571:        }';
  572:                     for (my $i=0; $i<@{$codetitles}-1; $i++) {
  573:                         $jscript .= '
  574:        document.'.$formname.'.'.$codetitles->[$i].'.selectedIndex = 0;';
  575:                     }
  576:     $jscript .= '
  577:    } else {
  578:        if (document.getElementById("instcodes")) { 
  579:            document.getElementById("instcodes").style.display = "block";
  580:        }
  581:    }
  582: }
  583: 
  584: function setOfficial(caller) {
  585:    if (typeof(caller) != "undefined") {
  586:        if (caller.options[caller.selectedIndex].value != 0) {
  587:            if (document.'.$formname.'.official.length > 0) {
  588:                for (var j=0; j<document.'.$formname.'.official.length; j++) {
  589:                    if (document.'.$formname.'.official[j].value == "on") {
  590:                        document.'.$formname.'.official[j].checked = true;
  591:                    }
  592:                }
  593:             }
  594:         }
  595:     }
  596:     return;
  597: }
  598: 
  599: ';
  600: 
  601:                     $officialjs = 'setOfficial(caller);';
  602:                 }
  603:                 $jscript .= &javascript_select_filler($formname,$scripttext,$codetitles,$longtitles_str,$allidlist,$officialjs);
  604:                 if ($env{'form.state'} eq 'listing') {
  605:                     my @standardnames = &Apache::loncommon::get_standard_codeitems();
  606:                     my %local_to_standard;
  607:                     if (ref($codetitles) eq 'ARRAY') {
  608:                         for (my $i=0; $i<@{$codetitles}; $i++) {
  609:                             $local_to_standard{$codetitles->[$i]} = $standardnames[$i];
  610:                         }
  611:                     }
  612:                     $jscript .= '
  613: function setElements() {
  614: ';
  615:                     for (my $i=0; $i<@{$codetitles}-1; $i++) {
  616:                         my $item = $local_to_standard{$codetitles->[$i]};
  617:                         if ($env{'form.'.$item} != -1) {
  618:                             $jscript .= '
  619:     for (var j=0; j<document.'.$formname.'.'.$item.'.length; j++) {
  620:         if (document.'.$formname.'.'.$item.'[j].value == "'.$env{'form.'.$item}.'") {
  621:             document.'.$formname.'.'.$item.'.selectedIndex = j;
  622:         }
  623:     }
  624: ';
  625:                         }
  626:                     }
  627:                     $jscript .= '   courseSet()'."\n";
  628:                     my $lastcodetitle =  $local_to_standard{$codetitles->[-1]};
  629:                     if ($env{'form.'.$lastcodetitle} != -1) {
  630:                         $jscript .= '
  631:     for (var j=0; j<document.'.$formname.'.'.$lastcodetitle.'.length; j++) {
  632:         if (document.'.$formname.'.'.$lastcodetitle.'[j].value == "'.$env{'form.'.$lastcodetitle}.'") {
  633:             document.'.$formname.'.'.$lastcodetitle.'.selectedIndex = j;
  634:         }
  635:     }
  636: ';
  637:                     }
  638:                     $jscript .= '}';
  639:                 }
  640:             }
  641:         }
  642:     }
  643:     return ($jscript,$totcodes,$numtitles,$lasttitle);
  644: }
  645: 
  646: sub build_instcode_selectors {
  647:     my ($numtitles,$lasttitle,$cat_items,$codetitles,$cat_titles,$cat_order,$official,$class,$id,$noedit) = @_;
  648:     my $output;
  649:     my @standardnames = &Apache::loncommon::get_standard_codeitems();
  650:     if ($numtitles > 0) {
  651:         my $style;
  652:         if ($official eq 'off') {
  653:             $style = ' style="display: none"';
  654:         }
  655:         if ($id eq '') {
  656:             $id = 'instcodes';
  657:         }
  658:         my $disabled;
  659:         if ($noedit) {
  660:             $disabled = ' disabled="disabled"';
  661:         }
  662:         $output .= '<div id="'.$id.'"'.$style.'><table><tr>';
  663:         for (my $k=0; $k<$lasttitle-1; $k++) {
  664:             my (@items,@unsorted);
  665:             if (ref($cat_items->{$codetitles->[$k]}) eq 'ARRAY') {
  666:                 @unsorted = @{$cat_items->{$codetitles->[$k]}};
  667:             }
  668:             &sort_cats($k,$cat_order,$codetitles,\@unsorted,\@items);
  669:             my @longitems;
  670:             if (defined($cat_titles->{$codetitles->[$k]})) {
  671:                 foreach my $item (@items) {
  672:                     push(@longitems,$cat_titles->{$codetitles->[$k]}{$item});
  673:                 }
  674:             } else {
  675:                 @longitems = @items;
  676:             }
  677:             $output .= '<td align="center">'.$codetitles->[$k].'<br />'."\n".
  678:                        '<select name="'.$standardnames[$k].'" onchange="courseSet(this)"';
  679:             if ($class) {
  680:                 $output .= ' class="'.$class.'"';
  681:             }
  682:             $output .= $disabled.'>'."\n".'<option value="0">'.&mt('All').'</option>'."\n";
  683:             for (my $i=0; $i<@items; $i++) {
  684:                 if ($longitems[$i] eq '') {
  685:                     $longitems[$i] = $items[$i];
  686:                 }
  687:                 $output .= ' <option value="'.$items[$i].'">'.$longitems[$i].'</option>';
  688:             }
  689:             $output .= '</select></td>';
  690:         }
  691:         $output .= '<td align="center">'.$codetitles->[$lasttitle-1].'<br />'."\n".
  692:                    '<select name="'.$standardnames[$lasttitle-1].'"';
  693:         if ($class) {
  694:             $output .= ' class="'.$class.'"';
  695:         }
  696:         $output .= $disabled.'>'."\n".
  697:                    '<option value="0">'.&mt('All')."\n".
  698:                    '</option>'."\n".'</select>'."\n".
  699:                    '</td></tr></table>'."\n";
  700:         if ($numtitles > 4) {
  701:             $output .= '<br /><br />'.$codetitles->[$numtitles-1].'<br />'."\n".
  702:                        '<input type="text" name="'.$standardnames[$numtitles-1].
  703:                        '"'.$disabled.' /><br />'."\n";
  704:         }
  705:         $output .= '</div>';
  706:     }
  707:     return $output;
  708: }
  709: 
  710: sub instcode_selectors {
  711:     my ($codedom,$formname,$officialjs,$codetitles) = @_;
  712:     my ($output,%cat_titles,%cat_order,%cat_items);
  713:     my ($jscript,$totcodes,$numtitles,$lasttitle) =
  714:         &instcode_selectors_data($codedom,$formname,\%cat_items,$codetitles,
  715:                                  \%cat_titles,\%cat_order,$officialjs);
  716:     if ($numtitles > 0) {
  717:         my $official = ' checked="checked" ';
  718:         my $unofficial = '';
  719:         if (($formname eq 'filterpicker') && ($env{'form.official'} eq 'off')) {
  720:             $unofficial = $official;
  721:             $official = '';
  722:         }
  723:         $output .= '<span class="LC_nobreak">'.&mt('Official course:').'&nbsp;<label>'.
  724:                    '<input type="radio" name="official" value="on"'.$official.
  725:                    ' onclick="toggleOfficial();" />'.&mt('Yes').'</label>'.
  726:                    ('&nbsp;'x3).'<label>'.
  727:                    '<input type="radio" name="official" value="off"'.$unofficial.
  728:                    ' onclick="toggleOfficial();" />'.&mt('No').'</label></span><br />'.
  729:                    &build_instcode_selectors($numtitles,$lasttitle,\%cat_items,$codetitles,
  730:                                              \%cat_titles,\%cat_order,$env{'form.official'})."\n".
  731:                    '<input type="hidden" name="numtitles" value="'.$numtitles.'" />'."\n".
  732:                    '<input type="hidden" name="state" value="listing" />'."\n";
  733:     }
  734:     return ($output,$jscript,$numtitles);
  735: }
  736: 
  737: sub recurse_options {
  738:     my ($currkey,$currlist,$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept) = @_;
  739:     if (ref($currlist) eq 'HASH') {
  740:         $level ++;
  741:         foreach my $key (sort(keys(%{$currlist}))) {
  742:             $$data[$level-1]= $key;
  743:             &recurse_options($key,$currlist->{$key},$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept);
  744:         }
  745:     } else {
  746:         $level --;
  747:         my @contents = split(/","/,$currlist);
  748:         foreach my $item (@contents) {
  749:             if (!grep(/^\Q$item\E$/,@{$cat_options->{$cat}})) {
  750:                 push(@{$cat_options->{$cat}},$item);
  751:             }
  752:             if ($level == 3) {
  753:                 if (!grep/^\Q$item\E$/,@{$by_year->{$data->[1]}->{$currkey}}) {
  754:                     push(@{$by_year->{$data->[1]}->{$currkey}},$item);
  755:                 }
  756:                 if (!grep/^\Q$item\E$/,@{$by_sem->{$data->[2]}->{$currkey}}) {
  757:                     push(@{$by_sem->{$data->[2]}->{$currkey}},$item);
  758:                 }
  759:                 if (!grep/^\Q$item\E$/,@{$by_dept->{$currkey}}) {
  760:                     push(@{$by_dept->{$currkey}},$item);
  761:                 }
  762: 
  763:             }
  764:         }
  765:     }
  766:     return $level;
  767: }
  768: 
  769: sub build_javascript {
  770:     my ($by_year,$by_sem,$by_dept,$cat_order,$codetitles) = @_;
  771:     my @unsorted = keys(%{$by_year});
  772:     my @sorted_yrs;
  773:     &sort_cats('0',$cat_order,$codetitles,\@unsorted,\@sorted_yrs);
  774:     my $output = 'var idcse_by_yr_year = new Array("'.join('","',@sorted_yrs).'");'."\n".
  775:                  'var idcse_by_yr_dept = new Array('.scalar(@sorted_yrs).');'."\n".
  776:                  'var idcse_by_yr_num = new Array('.scalar(@sorted_yrs).');'."\n";
  777:     for (my $i=0; $i<@sorted_yrs; $i++) {
  778:         my $numkeys = keys(%{$by_year->{$sorted_yrs[$i]}});
  779:         $output .= " idcse_by_yr_num[$i] = new Array($numkeys);\n";
  780:         if (ref($by_year->{$sorted_yrs[$i]}) eq 'HASH') {
  781:             @unsorted = keys(%{$by_year->{$sorted_yrs[$i]}});
  782:             my @sorted_depts;
  783:             &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts);
  784:             $output .= qq| idcse_by_yr_dept[$i] = new Array ("|.join('","',@sorted_depts).'");'."\n";
  785:             for (my $j=0; $j<@sorted_depts; $j++) {
  786:                 $output .= qq| idcse_by_yr_num[$i][$j] = new Array ("|;
  787:                 $output .= join('","',sort(@{$by_year->{$sorted_yrs[$i]}->{$sorted_depts[$j]}})).'");'."\n";
  788:             }
  789:         }
  790:     }
  791:     @unsorted = keys(%{$by_sem});
  792:     my @sorted_sems;
  793:     &sort_cats('1',$cat_order,$codetitles,\@unsorted,\@sorted_sems);
  794:     $output .=  'idcse_by_sem_sems = new Array("'.join('","',@sorted_sems).'");'."\n".
  795:                 'idcse_by_sem_dept = new Array('.scalar(@sorted_sems).');'."\n".
  796:                 'idcse_by_sem_num = new Array('.scalar(@sorted_sems).');'."\n";
  797:     for (my $i=0; $i<@sorted_sems; $i++) {
  798:         my $numkeys = keys(%{$by_sem->{$sorted_sems[$i]}});
  799:         $output .= " idcse_by_sem_num[$i] = new Array($numkeys);\n";
  800:         if (ref($by_sem->{$sorted_sems[$i]}) eq 'HASH') {
  801:             @unsorted = keys(%{$by_sem->{$sorted_sems[$i]}});
  802:             my @sorted_depts;
  803:             &sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts);
  804:             $output .= qq| idcse_by_sem_dept[$i] = new Array("|.join('","',@sorted_depts).'");'."\n";
  805:             for (my $j=0; $j<@sorted_depts; $j++) {
  806:                 $output .= qq| idcse_by_sem_num[$i][$j] = new Array ("|.join('","',sort(@{$by_sem->{$sorted_sems[$i]}->{$sorted_depts[$j]}})).'");'."\n";
  807:             }
  808:         }
  809:     }
  810:     @unsorted = keys(%{$by_dept});
  811:     my @sorted_deps;
  812:     &sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_deps);
  813:     $output .= 'idcse_by_dep = new Array('.scalar(@sorted_deps).');'."\n";
  814:     for (my $k=0; $k<@sorted_deps; $k++) {
  815:         $output .= qq| idcse_by_dep[$k] = new Array ("|.join('","',sort(@{$by_dept->{$sorted_deps[$k]}})).'");'."\n";
  816:     }
  817:     return $output;
  818: }
  819: 
  820: sub javascript_select_filler {
  821:     my ($formname,$scripttext,$codetitles,$longtitles_str,$allidlist,$officialjs) = @_;
  822:     my $all = &mt('All');
  823:     my $nocrs = &mt('No courses');
  824:     my $output = <<END;
  825: 
  826: function courseSet(caller, onload) {
  827:     var longtitles = new Array ("$longtitles_str");
  828:     var valyr = '';
  829:     var valsem = '';
  830:     var valdept = '';
  831:     var valclass = '';
  832:     if (onload) {
  833:         valyr = "$env{'form.Year'}";
  834:         valsem = "$env{'form.Semester'}";
  835:         valdept = "$env{'form.Department'}";
  836:         valclass = "$env{'form.Number'}";
  837:     } else {
  838:         valyr = document.$formname.Year.options[document.$formname.Year.selectedIndex].value;
  839:         valsem  = document.$formname.Semester.options[document.$formname.Semester.selectedIndex].value;
  840:         valdept = document.$formname.Department.options[document.$formname.Department.selectedIndex].value;
  841:         valclass = document.$formname.Number.options[document.$formname.Number.selectedIndex].value;
  842:     }
  843:     var idyears = new Array("$allidlist");
  844:     var idyr = -1;
  845:     var idsem = -1;
  846:     var iddept = -1;
  847:     document.$formname.Number.length = 0;
  848: 
  849:     $scripttext
  850: 
  851:     if (onload) {
  852:         if (document.$formname.Year.options.length > 0) {
  853:             for (var i = 0; i< document.$formname.Year.options.length; i++) {
  854:                 if (document.$formname.Year.options[i].value == "$env{'form.Year'}") {
  855:                     document.$formname.Year.selectedIndex = i;
  856:                     break;
  857:                 }
  858:             }
  859:         }
  860:         if (document.$formname.Department.options.length > 0) {
  861:             for (var i = 0; i< document.$formname.Department.options.length; i++) {
  862:                 if (document.$formname.Department.options[i].value == "$env{'form.Department'}") {
  863:                     document.$formname.Department.selectedIndex = i;
  864:                     break;
  865:                 }
  866:             }
  867:         }
  868:         if (document.$formname.Semester.options.length > 0) {
  869:             for (var i = 0; i< document.$formname.Semester.options.length; i++) {
  870:                 if (document.$formname.Semester.options[i].value == "$env{'form.Semester'}") {
  871:                     document.$formname.Semester.selectedIndex = i;
  872:                     break;
  873:                 }
  874:             }
  875:         }
  876:     }
  877: 
  878:     var selYear = document.$formname.Year.selectedIndex-1;
  879:     var selSemester = document.$formname.Semester.selectedIndex-1;
  880:     var selDepartment = document.$formname.Department.selectedIndex-1;
  881:     if (selYear == -1) {
  882:         if (selSemester == -1) {
  883:             if (selDepartment > -1) {
  884:                 document.$formname.Number.options[0] =  new Option('$all','0',false,false);
  885:                 for (var k=0; k<idcse_by_dep[selDepartment].length; k++) {
  886:                     document.$formname.Number.options[k+1] = new Option(idcse_by_dep[selDepartment][k],idcse_by_dep[selDepartment][k],false,false);
  887: 
  888:                 }
  889:             }
  890:             else {
  891:                 document.$formname.Number.options[0] = new Option('$all','0',true,true);
  892:             }
  893:         }
  894:         else {
  895:             if (selDepartment > -1) {
  896:                 for (var i=0; i<idcse_by_sem_sems.length; i++) {
  897:                     if (idcse_by_sem_sems[i] == valsem) {
  898:                         idsem = i;
  899:                     }
  900:                 }
  901:                 if (idsem != -1) {
  902:                     for (var i=0; i<idcse_by_sem_dept[idsem].length; i++) {
  903:                         if (idcse_by_sem_dept[idsem][i] == valdept) {
  904:                             iddept = i;
  905:                         }
  906:                     }
  907:                 }
  908:                 if (iddept != -1) {
  909:                     document.$formname.Number.options[0] =  new Option('$all','0',false,false);
  910:                     for (var k=0; k<idcse_by_sem_num[idsem][iddept].length; k++) {
  911:                         document.$formname.Number.options[k+1] = new Option(idcse_by_sem_num[idsem][iddept][k],idcse_by_sem_num[idsem][iddept][k],false,false);
  912:                     }
  913:                 }
  914:                 else {
  915:                     document.$formname.Number.options[0] =  new Option('$nocrs','0',true,true);
  916:                 }
  917:             }
  918:             else {
  919:                 document.$formname.Number.options[0] = new Option('$all','0',true,true);
  920:             }
  921:         }
  922:     }
  923:     else {
  924:         if (selSemester == -1) {
  925:             if (selDepartment > -1) {
  926:                 for (var i=0; i<idcse_by_yr_year.length; i++) {
  927:                     if (idcse_by_yr_year[i] == valyr) {
  928:                         idyr = i;
  929:                     }
  930:                 }
  931:                 if (idyr != -1) {
  932:                     for (var i=0; i<idcse_by_yr_dept[idyr].length; i++) {
  933:                         if (idcse_by_yr_dept[idyr][i] == valdept) {
  934:                             iddept = i;
  935:                         }
  936:                     }
  937:                 }
  938:                 if (iddept != -1) {
  939:                     document.$formname.Number.options[0] =  new Option('$all','0',false,false);
  940:                     for (var k=0; k<idcse_by_yr_num[idyr][iddept].length; k++) {
  941:                         document.$formname.Number.options[k+1] = new Option(idcse_by_yr_num[idyr][iddept][k],idcse_by_yr_num[idyr][iddept][k],false,false);
  942:                     }
  943:                 }
  944:                 else {
  945:                     document.$formname.Number.options[0] =  new Option('$nocrs','0',true,true);
  946:                 }
  947:             }
  948:             else {
  949:                 document.$formname.Number.options[0] = new Option('$all','0',true,true);
  950:             }
  951:         }
  952:         else {
  953:             if (selDepartment > -1) {
  954:                 for (var k=0; k<idyears.length; k++) {
  955:                     if (idyears[k] == valyr) {
  956:                         idyr = k;
  957:                     }
  958:                 }
  959:                 if (idyr != -1) {
  960:                     for (var k=0; k<idsems[idyr].length; k++) {
  961:                         if (idsems[idyr][k] == valsem) {
  962:                             idsem = k;
  963:                         }
  964:                     }
  965:                 }
  966:                 if (idsem != -1) {
  967:                     for (var k=0; k<idcodes[idyr][idsem].length; k++) {
  968:                         if (idcodes[idyr][idsem][k] == valdept) {
  969:                             iddept = k;
  970:                         }
  971:                     }
  972:                 }
  973:                 if (iddept != -1) {
  974:                     document.$formname.Number.options[0] = new Option('$all','0',false,false);
  975:                     for (var i=0; i<idcourses[idyr][idsem][iddept].length; i++) {
  976:                         var display = idcourses[idyr][idsem][iddept][i];
  977:                         if (longtitles[3] == 1) {
  978:                             if (idcourseslongs[idyr][idsem][iddept][i] != "") {
  979:                                 display = idcourseslongs[idyr][idsem][iddept][i]
  980:                             }
  981:                         }
  982:                         document.$formname.Number.options[i+1] = new Option(display,idcourses[idyr][idsem][iddept][i],false,false)
  983:                     }
  984:                 }
  985:                 else {
  986:                     document.$formname.Number.options[0] =  new Option('$nocrs','0',true,true);
  987:                 }
  988:             }
  989:             else {
  990:                 document.$formname.Number.options[0] =  new Option('$all','0',true,true);
  991:             }
  992:         }
  993:         document.$formname.Number.selectedIndex = 0
  994:     }
  995:     if (onload) {
  996:         if (document.$formname.Number.options.length > 0) {
  997:             for (var i = 0; i< document.$formname.Number.options.length; i++) {
  998:                 if (document.$formname.Number.options[i].value == "$env{'form.Number'}") {
  999:                     document.$formname.Number.selectedIndex = i;
 1000:                     break;
 1001:                 }
 1002:             }
 1003:         }
 1004:     } else {
 1005:         $officialjs
 1006:     }
 1007: }
 1008: END
 1009:     return $output;
 1010: }
 1011: 
 1012: sub instcode_search_str {
 1013:     my ($domain,$numtitles,$codetitles) = @_;
 1014:     my $instcode;
 1015:     if (defined($numtitles) && $numtitles == 0) {
 1016:         $instcode = '.+';
 1017:     } else {
 1018:         my (%codedefaults,@code_order);
 1019:         my $defaults_result =
 1020:             &Apache::lonnet::auto_instcode_defaults($domain,\%codedefaults,
 1021:                                                     \@code_order);
 1022:         my @standardnames = &Apache::loncommon::get_standard_codeitems();
 1023:         my %local_to_standard;
 1024:         if (ref($codetitles) eq 'ARRAY') {
 1025:             for (my $i=0; $i<@{$codetitles}; $i++) {
 1026:                 $local_to_standard{$codetitles->[$i]} = $standardnames[$i];
 1027:             }
 1028:         }
 1029:         if ($defaults_result eq 'ok') {
 1030:             $instcode ='^';
 1031:             foreach my $loctitle (@code_order) {
 1032:                 my $item = $local_to_standard{$loctitle};
 1033:                 if ($item ne '') {
 1034:                     if ($env{'form.'.$item} eq '0' ) {
 1035:                         $instcode .= $codedefaults{$loctitle};
 1036:                     } else {
 1037:                         $instcode .= $env{'form.'.$item};
 1038:                     }
 1039:                 } else {
 1040:                     $instcode .= '.+';
 1041:                 }
 1042:             }
 1043:             $instcode .= '$';
 1044:         } else {
 1045:             $instcode = '.+';
 1046:         }
 1047:     }
 1048:     return $instcode;
 1049: }
 1050: 
 1051: sub instcode_from_selectors {
 1052:     my ($cdom,$noregexps) = @_;
 1053:     my $instcode;
 1054:     my (@codetitles,%codedefaults,@code_order);
 1055:     my $instcats = &Apache::lonnet::get_dom_instcats($cdom);
 1056:     if (ref($instcats) eq 'HASH') {
 1057:         if (ref($instcats->{'codetitles'}) eq 'ARRAY') {
 1058:             @codetitles = @{$instcats->{'codetitles'}};
 1059:         }
 1060:     }
 1061:     my $defaults_result =
 1062:         &Apache::lonnet::auto_instcode_defaults($cdom,\%codedefaults,
 1063:                                                 \@code_order);
 1064:     if (($defaults_result eq 'ok') && (@codetitles > 0)) {
 1065:         my @standardnames = &Apache::loncommon::get_standard_codeitems();
 1066:         my %local_to_standard;
 1067:         for (my $i=0; $i<@codetitles; $i++) {
 1068:             $local_to_standard{$codetitles[$i]} = $standardnames[$i];
 1069:         }
 1070:         foreach my $loctitle (@code_order) {
 1071:             my $category = $local_to_standard{$loctitle};
 1072:             if ($category ne '') {
 1073:                 if ($env{'form.'.$category} eq '-1' ) {
 1074:                     if ($noregexps) {
 1075:                         $instcode .= ' ';
 1076:                     } else {
 1077:                         $instcode .= $codedefaults{$category};
 1078:                     }
 1079:                 } else {
 1080:                     $instcode .= $env{'form.'.$category};
 1081:                 }
 1082:             } else {
 1083:                 $instcode .= '.+';
 1084:             }
 1085:         }
 1086:     }
 1087:     return $instcode;
 1088: }
 1089: 
 1090: 1;
 1091: 

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