File:  [LON-CAPA] / loncom / interface / courseclassifier.pm
Revision 1.31: download - view: text, annotated - select for diffs
Mon Feb 24 23:41:39 2025 UTC (4 months ago) by raeburn
Branches: MAIN
CVS tags: version_2_12_X, HEAD
- WCAG 2 compliance.
 lonsupportreq.pm rev. 1.107 added a label for the section item in the helpdesk
 form. Using the helpform with an active role in an "official" course means
 changing selection(s) for year/semester/department/course number triggers
 toggleSecVis(), which will point that "label for" at the correct form element.

    1: # The LearningOnline Network with CAPA
    2: # Utilities for classifying courses based on institutional code
    3: #
    4: # $Id: courseclassifier.pm,v 1.31 2025/02/24 23:41:39 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:             }
   74:         } else {
   75:             %{$$idarrays{$$codetitles[2]}{$$codes{$cid}{$$codetitles[0]}}} = ();
   76:             @{$$idarrays{$$codetitles[2]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}} = ("$$codes{$cid}{$$codetitles[2]}");
   77:         }
   78:     } elsif ($num == 3) {
   79:         if (defined($$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}})) {
   80:             if (defined($$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}})) {
   81:                 if (defined($$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}})) {
   82:                     if (!grep/^$$codes{$cid}{$$codetitles[3]}$/,@{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}}) {
   83:                         push @{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}}, $$codes{$cid}{$$codetitles[3]};
   84:                     }
   85:                 } else {
   86:                     @{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}} = ("$$codes{$cid}{$$codetitles[3]}");
   87:                 }
   88:             } else {
   89:                 %{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}} = ();
   90:                 @{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}} = ("$$codes{$cid}{$$codetitles[3]}");
   91:             }
   92:         } else {
   93:             %{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}} = ();
   94:             %{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}} = ();
   95:             @{$$idarrays{$$codetitles[3]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}} = ("$$codes{$cid}{$$codetitles[3]}");
   96:         }
   97:     } elsif ($num == 4) {
   98:         if (defined($$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}})) {
   99:             if (defined($$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}})) {
  100:                 if (defined($$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}})) {
  101:                     if (defined($$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}{$$codes{$cid}{$$codetitles[3]}})) {
  102:                         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]}}}) {
  103:                             push @{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}{$$codes{$cid}{$$codetitles[3]}}}, $$codes{$cid}{$$codetitles[4]};
  104:                         }
  105:                     } else {
  106:                         @{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}{$$codes{$cid}{$$codetitles[3]}}} = ("$$codes{$cid}{$$codetitles[4]}");
  107:                     }
  108:                 } else {
  109:                     %{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}} = ();
  110:                     @{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}{$$codes{$cid}{$$codetitles[3]}}} = ("$$codes{$cid}{$$codetitles[4]}");
  111:                 }
  112:             } else {
  113:                 %{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}} = ();
  114:                 %{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}} = ();
  115:                 @{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}{$$codes{$cid}{$$codetitles[3]}}} = ("$$codes{$cid}{$$codetitles[4]}");
  116:             }
  117:         } else {
  118:             %{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}} = ();
  119:             %{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}} = ();
  120:             %{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[2]}}} = ();
  121:             @{$$idarrays{$$codetitles[4]}{$$codes{$cid}{$$codetitles[0]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[1]}}{$$codes{$cid}{$$codetitles[3]}}} = ("$$codes{$cid}{$$codetitles[3]}");
  122:         }
  123:     }
  124:     $num ++;
  125:     if ($num <@{$codetitles}) {
  126:         &recurse_list($cid,$codetitles,$codes,$num,$idarrays);
  127:     }
  128: }
  129: 
  130: sub build_code_selections {
  131:     my ($codes,$codetitles,$cat_titles,$cat_order,$idlist,$idnums,$idlist_titles) = @_;
  132:     my %idarrays = ();
  133:     for (my $i=1; $i<@{$codetitles}; $i++) {
  134:         %{$idarrays{$$codetitles[$i]}} = ();
  135:     }
  136:     foreach my $cid (sort(keys(%{$codes}))) {
  137:         &recurse_list($cid,$codetitles,$codes,0,\%idarrays);
  138:     }
  139:     for (my $num=0; $num<@{$codetitles}; $num++) {
  140:         if ($num == 0) {
  141:             my @contents = ();
  142:             my @contents_titles = ();
  143:             &sort_cats($num,$cat_order,$codetitles,\@{$idarrays{$$codetitles[0]}},\@contents);
  144:             if (defined($$cat_titles{$$codetitles[0]})) {
  145:                 foreach (@contents) {
  146:                     push @contents_titles, $$cat_titles{$$codetitles[0]}{$_};
  147:                 }
  148:             }
  149:             $$idlist{$$codetitles[0]} = join('","',@contents);
  150:             $$idnums{$$codetitles[0]} = scalar(@contents);
  151:             if (defined($$cat_titles{$$codetitles[0]})) {
  152:                 $$idlist_titles{$$codetitles[0]} = join('","',@contents_titles);
  153:             }
  154:         } elsif ($num == 1) {
  155:             %{$$idlist{$$codetitles[1]}} = ();
  156:             %{$$idlist_titles{$$codetitles[1]}} = ();
  157:             foreach my $key_a (keys(%{$idarrays{$$codetitles[1]}})) {
  158:                 my @sorted_a = ();
  159:                 my @sorted_a_titles = ();
  160:                 &sort_cats($num,$cat_order,$codetitles,\@{$idarrays{$$codetitles[1]}{$key_a}},\@sorted_a);
  161:                 if (defined($$cat_titles{$$codetitles[1]})) {
  162:                     foreach (@sorted_a) {
  163:                         push @sorted_a_titles, $$cat_titles{$$codetitles[1]}{$_};
  164:                     }
  165:                 }
  166:                 $$idlist{$$codetitles[1]}{$key_a} = join('","',@sorted_a);
  167:                 $$idnums{$$codetitles[1]}{$key_a} = scalar(@sorted_a);
  168:                 if (defined($$cat_titles{$$codetitles[1]})) {
  169:                     $$idlist_titles{$$codetitles[1]}{$key_a} = join('","',@sorted_a_titles);
  170:                 }
  171:             }
  172:         } elsif ($num == 2) {
  173:             %{$$idlist{$$codetitles[2]}} = ();
  174:             %{$$idlist_titles{$$codetitles[2]}} = ();
  175:             foreach my $key_a (keys(%{$idarrays{$$codetitles[2]}})) {
  176:                 %{$$idlist{$$codetitles[2]}{$key_a}} = ();
  177:                 %{$$idlist_titles{$$codetitles[2]}{$key_a}} = ();
  178:                 foreach my $key_b (keys(%{$idarrays{$$codetitles[2]}{$key_a}})) {
  179:                     my @sorted_b = ();
  180:                     my @sorted_b_titles = ();
  181:                     &sort_cats($num,$cat_order,$codetitles,\@{$idarrays{$$codetitles[2]}{$key_a}{$key_b}},\@sorted_b);
  182:                     if (defined($$cat_titles{$$codetitles[2]})) {
  183:                         foreach (@sorted_b) {
  184:                             push @sorted_b_titles, $$cat_titles{$$codetitles[2]}{$_};
  185:                         }
  186:                     }
  187:                     $$idlist{$$codetitles[2]}{$key_a}{$key_b} = join('","',@sorted_b);
  188:                     $$idnums{$$codetitles[2]}{$key_a}{$key_b} = scalar(@sorted_b);
  189:                     if (defined($$cat_titles{$$codetitles[2]})) {
  190:                         $$idlist_titles{$$codetitles[2]}{$key_a}{$key_b} = join('","',@sorted_b_titles);
  191:                     }
  192:                 }
  193:             }
  194:         } elsif ($num == 3) {
  195:             %{$$idlist{$$codetitles[3]}} = ();
  196:             foreach my $key_a (keys(%{$idarrays{$$codetitles[3]}})) {
  197:                 %{$$idlist{$$codetitles[3]}{$key_a}} = ();
  198:                 foreach my $key_b (keys(%{$idarrays{$$codetitles[3]}{$key_a}})) {
  199:                     %{$$idlist{$$codetitles[3]}{$key_a}{$key_b}} = ();
  200:                     foreach my $key_c (keys(%{$idarrays{$$codetitles[3]}{$key_a}{$key_b}})) {
  201:                         my @sorted_c = ();
  202:                         my @sorted_c_titles = ();
  203:                         &sort_cats($num,$cat_order,$codetitles,\@{$idarrays{$$codetitles[3]}{$key_a}{$key_b}{$key_c}},\@sorted_c);
  204:                         if (defined($$cat_titles{$$codetitles[3]})) {
  205:                             foreach (@sorted_c) {
  206:                                 push @sorted_c_titles, $$cat_titles{$$codetitles[3]}{$_};
  207:                             }
  208:                         }
  209:                         $$idlist{$$codetitles[3]}{$key_a}{$key_b}{$key_c} = join('","',@sorted_c);
  210:                         $$idnums{$$codetitles[3]}{$key_a}{$key_b}{$key_c} = scalar(@sorted_c);
  211:                         if (defined($$cat_titles{$$codetitles[3]})) {
  212:                             $$idlist_titles{$$codetitles[3]}{$key_a}{$key_b}{$key_c} = join('","',@sorted_c_titles);
  213:                         }
  214:                     }
  215:                 }
  216:             }
  217:         } elsif ($num == 4) {
  218:             %{$$idlist{$$codetitles[4]}} = ();
  219:             foreach my $key_a (keys(%{$idarrays{$$codetitles[4]}})) {
  220:                 %{$$idlist{$$codetitles[4]}{$key_a}} = ();
  221:                 foreach my $key_b (keys(%{$idarrays{$$codetitles[4]}{$key_a}})) {
  222:                     %{$$idlist{$$codetitles[4]}{$key_a}{$key_b}} = ();
  223:                     foreach my $key_c (keys(%{$idarrays{$$codetitles[4]}{$key_a}{$key_b}})) {
  224:                         %{$$idlist{$$codetitles[4]}{$key_a}{$key_b}{$key_c}} = ();
  225:                         foreach my $key_d (keys(%{$idarrays{$$codetitles[4]}{$key_a}{$key_b}{$key_c}})) {
  226:                             my @sorted_d = ();
  227:                             my @sorted_d_titles = ();
  228:                             &sort_cats($num,$cat_order,$codetitles,$idarrays{$$codetitles[4]}{$key_a}{$key_b}{$key_c}{$key_d},\@sorted_d);
  229:                             if (defined($$cat_titles{$$codetitles[4]})) {
  230:                                 foreach (@sorted_d) {
  231:                                     push @sorted_d_titles, $$cat_titles{$$codetitles[4]}{$_};
  232:                                 }
  233:                             }
  234:                             $$idlist{$$codetitles[4]}{$key_a}{$key_b}{$key_c}{$key_d} = join('","',@sorted_d);
  235:                             $$idnums{$$codetitles[4]}{$key_a}{$key_b}{$key_c}{$key_d} = scalar(@sorted_d);
  236:                             if (defined($$cat_titles{$$codetitles[4]})) {
  237:                                 $$idlist_titles{$$codetitles[3]}{$key_a}{$key_b}{$key_c}{$key_d} = join('","',@sorted_d_titles);
  238:                             }
  239:                         }
  240:                     }
  241:                 }
  242:             }
  243:         }
  244:     }
  245: }
  246: 
  247: sub javascript_code_selections {
  248:     my ($formname,$codetitlesref,$knowncodes,$sectionlist) = @_;
  249:     return unless (ref($codetitlesref) eq 'ARRAY');
  250:     my @codetitles = @{$codetitlesref};
  251:     my $numtitles = @codetitles;
  252:     my %lt = &Apache::lonlocal::texthash(
  253:                       Select => 'Select',
  254:                       Pick   => 'Pick',
  255:              );
  256:     my $output = (<<END_OF_BLOCK);
  257:  var display = new Array($numtitles)
  258:  if (caller == "" || caller == "$codetitles[0]") {
  259:      if (caller == "") {
  260:          document.$formname.Year.length = 0
  261:          document.$formname.Year.options[0] = new Option("$lt{'Select'}","-1",true,true)
  262:          display[0] = new Array(idyears.length)
  263:          for (var i=0; i<idyears.length; i++) {
  264:              display[0][i] = idyears[i]
  265:              if (longtitles[0] == 1) {
  266:                  if (idyearslongs[i] != "") {
  267:                      display[0][i] = idyearslongs[i]
  268:                  }
  269:              }
  270:              else {
  271:                  if (idyearslongs[i] != "") {
  272:                      display[0][i] = idyears[i]
  273:                  }
  274:              }
  275:              document.$formname.Year.options[i+1] = new Option(display[0][i],idyears[i],false,false)
  276:          }
  277:          document.$formname.Year.selectedIndex = 0;
  278:      }
  279:      document.$formname.Semester.length = 0
  280:      document.$formname.Department.length = 0;
  281:      document.$formname.Number.length = 0
  282:      document.$formname.Department.options[0] = new Option("<-$lt{'Pick'} $codetitles[1]","-1",true,true)
  283:      document.$formname.Number.options[0] = new Option("<-$lt{'Pick'} $codetitles[2]","-1",true,true)
  284:      if (idyr == 0 || caller == "") {
  285:          document.$formname.Semester.options[0] = new Option("<-$lt{'Pick'} $codetitles[0]","-1",true,true)
  286:      }
  287:      else {
  288:          document.$formname.Semester.options[0] = new Option("$lt{'Select'}","-1",true,true)
  289:          display[1] = new Array(idsems[idyr-1].length)
  290:          for (var i=0; i<idsems[idyr-1].length; i++) {
  291:              display[1][i] = idsems[idyr-1][i]
  292:              if (longtitles[1] == 1) {
  293:                  if (idsemslongs[idyr-1][i] != "") {
  294:                      display[1][i] = idsemslongs[idyr-1][i]
  295:                  }
  296:              }
  297:              document.$formname.Semester.options[i+1] = new Option(display[1][i],idsems[idyr-1][i],false,false)
  298:          }
  299:      }
  300:      document.$formname.Semester.selectedIndex = 0;
  301:  }
  302:  if (caller == "$codetitles[1]") {
  303:    document.$formname.Department.length = 0
  304:    document.$formname.Number.length = 0
  305:    document.$formname.Number.options[0] = new Option("<-Pick $codetitles[2]","-1",true,true)
  306:    if (idsem == 0) {
  307:      document.$formname.Department.options[0] = new Option("<-$lt{'Pick'} $codetitles[1]","-1",true,true)
  308:    }
  309:    else {
  310:     document.$formname.Department.options[0] = new Option("$lt{'Select'}","-1",true,true)
  311:     display[2] = new Array(idcodes[idyr-1][idsem-1].length)
  312:     for (var i=0; i<idcodes[idyr-1][idsem-1].length; i++) {
  313:       display[2][i] = idcodes[idyr-1][idsem-1][i]
  314:       if (longtitles[2] == 1) {
  315:           if (idcodeslongs[idyr-1][idsem-1][i] != "") {
  316:               display[2][i] = idcodeslongs[idyr-1][idsem-1][i]
  317:           }
  318:       }
  319:       document.$formname.Department.options[i+1] = new Option(display[2][i],idcodes[idyr-1][idsem-1][i],false,false)
  320:     }
  321:    }
  322:    document.$formname.Department.selectedIndex = 0
  323:  }
  324:  if (caller == "$codetitles[2]") {
  325:    document.$formname.Number.length = 0
  326:    if (iddept == 0) {
  327:      document.$formname.Number.options[0] = new Option("<-$lt{'Pick'} $codetitles[2]","-1",true,true)
  328:    }
  329:    else {
  330:     document.$formname.Number.options[0] = new Option("Select","-1",true,true)
  331:     display[3] = new Array (idcourses[idyr-1][idsem-1][iddept-1].length)
  332:     for (var i=0; i<idcourses[idyr-1][idsem-1][iddept-1].length; i++) {
  333:       display[3][i] = idcourses[idyr-1][idsem-1][iddept-1][i]
  334:       if (longtitles[3] == 1) {
  335:         if (idcourseslongs[idyr-1][idsem-1][iddept-1][i] != "") {
  336:             display[3][i] = idcourseslongs[idyr-1][idsem-1][iddept-1][i]
  337:         }
  338:       }
  339:       document.$formname.Number.options[i+1] = new Option(display[3][i],idcourses[idyr-1][idsem-1][iddept-1][i],false,false)
  340:     }
  341:    }
  342:    document.$formname.Number.selectedIndex = 0
  343:  }
  344: }
  345: END_OF_BLOCK
  346: 
  347:     if ((ref($knowncodes) eq 'HASH') && (keys(%{$knowncodes}) > 0)) {
  348:         my @standardnames = &Apache::loncommon::get_standard_codeitems();
  349:         my (%local_to_standard,$currstr);
  350:         for (my $i=0; $i<@codetitles; $i++) {
  351:             $local_to_standard{$codetitles[$i]} = $standardnames[$i];
  352:         }
  353:         $output .= <<"ENDJS";
  354: 
  355: function initialize_codes() {
  356: ENDJS
  357:         for (my $i=0; $i<@codetitles-1; $i++) {
  358:             my $item = $local_to_standard{$codetitles[$i]};
  359:             $currstr .= $knowncodes->{$codetitles[$i]};
  360:             if ($knowncodes->{$codetitles[$i]} != -1) {
  361:                 $output .= '
  362:     for (var j=0; j<document.'.$formname.'.'.$item.'.length; j++) {
  363:         if (document.'.$formname.'.'.$item.'[j].value == "'.$knowncodes->{$codetitles[$i]}.'") {
  364:             document.'.$formname.'.'.$item.'.selectedIndex = j;
  365:         }
  366:     }
  367: ';
  368:             }
  369:             $output .= '   courseSet('."'$codetitles[$i]'".')'."\n";
  370:         }
  371:         my $lastcodetitle =  $local_to_standard{$codetitles[-1]};
  372:         $currstr .= $knowncodes->{$codetitles[-1]};
  373:         if ($knowncodes->{$codetitles[-1]} != -1) {
  374:             $output .= '
  375:     for (var j=0; j<document.'.$formname.'.'.$lastcodetitle.'.length; j++) {
  376:         if (document.'.$formname.'.'.$lastcodetitle.'[j].value == "'.$knowncodes->{$codetitles[-1]}.'") {
  377:             document.'.$formname.'.'.$lastcodetitle.'.selectedIndex = j;
  378:         }
  379:     }
  380: ';
  381:         }
  382:         $output .= "    return;\n}\n";
  383:         if ($sectionlist) {
  384:             $output .= '
  385: function toggleSecVis() {
  386:     var currcode = "";
  387:     var crscode = '."'$currstr'".';
  388: ';
  389:             for (my $i=0; $i<@codetitles-1; $i++) {
  390:                 my $item = $local_to_standard{$codetitles[$i]};
  391:                 $output .= 'currcode += document.'.$formname.'.'.$item.'.options[document.'.$formname.'.'.$item.'.selectedIndex].value;'."\n";
  392:             }
  393:             my $lastcodetitle =  $local_to_standard{$codetitles[-1]};
  394:             if ($lastcodetitle ne '') {
  395:                 if ($knowncodes->{$codetitles[-1]} != -1) {
  396:                     $output .= 'currcode += document.'.$formname.'.'.$lastcodetitle.'.options[document.'.$formname.'.'.$lastcodetitle.'.selectedIndex].value;'."\n";
  397:                 }
  398:             }
  399:             $output .= <<"ENDSEC";
  400:     var showlist = 'none';
  401:     var showbox = 'inline';
  402:     if ((crscode != '') && (currcode == crscode)) {
  403:         showlist = 'inline';
  404:         showbox = 'none';
  405:     }
  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:     if (document.getElementById('section')) {
  413:         document.getElementById('section').id = 'wasinuse';
  414:     }
  415:     if (document.getElementById('notinuse') {
  416:         document.getElementById('notinuse').id = 'section';
  417:     }
  418:     if (document.getElementById('wasinuse') {
  419:         document.getElementById('wasinuse').id = 'notinuse';
  420:     }
  421:     return;
  422: }
  423: 
  424: ENDSEC
  425: 
  426:         }
  427:     } else {
  428:         $output .= <<"END_OF_JS";
  429: 
  430: function initialize_codes() {
  431:     courseSet();
  432:     return;
  433: }
  434: END_OF_JS
  435:     }
  436:     return $output;
  437: }
  438: 
  439: sub javascript_definitions {
  440:     my ($codetitles,$idlist,$idlist_titles,$idnums,$cat_titles) = @_;
  441:     my $numtitles = @{$codetitles};
  442:     my $longtitles = [];
  443:     for (my $i=0; $i<$numtitles; $i++) {
  444:        if (defined($cat_titles->{$codetitles->[$i]})) {
  445:            $longtitles->[$i] = 1;
  446:        } else {
  447:            $longtitles->[$i] = 0;
  448:        }
  449:     }
  450:     my $scripttext;
  451:     if ($longtitles->[0]) {
  452:         $scripttext =
  453:           qq|      var idyearslongs = new Array("$idlist_titles->{$codetitles->[0]}")\n|;
  454:     }
  455:     $scripttext .=
  456:           "      var idsems = new Array ($idnums->{$codetitles->[0]})\n";
  457:     if ($longtitles->[1]) {
  458:         $scripttext .=
  459:           "      var idsemslongs = new Array ($idnums->{$codetitles->[0]})\n";    }
  460:     $scripttext .=
  461:           "      var idcodes = new Array ($idnums->{$codetitles->[0]})\n";
  462:     if ($longtitles->[2]) {
  463:         $scripttext .=
  464:           "      var idcodeslongs = new Array ($idnums->{$codetitles->[0]})\n";
  465:     }
  466:     $scripttext .=
  467:           "      var idcourses = new Array ($idnums->{$codetitles->[0]})\n";
  468:     if ($longtitles->[3]) {
  469:         $scripttext .=
  470:           "      var idcourseslongs =  new Array ($idnums->{$codetitles->[0]})\n";
  471:     }
  472:     my @sort_a = split/","/,$idlist->{$codetitles->[0]};
  473:     for (my $j=0; $j<@sort_a; $j++) {
  474:         $scripttext .= qq| idsems[$j] = new Array("$idlist->{$codetitles->[1]}{$sort_a[$j]}")\n|;
  475:         if ($longtitles->[1]) {
  476:             $scripttext .= qq| idsemslongs[$j] = new Array("$idlist_titles->{$codetitles->[1]}{$sort_a[$j]}")\n|;
  477:         }
  478:         $scripttext .= qq| idcodes[$j] = new Array($idnums->{$codetitles->[1]}{$sort_a[$j]})\n|;
  479:         if ($longtitles->[2]) {
  480:             $scripttext .= qq| idcodeslongs[$j] = new Array($idnums->{$codetitles->[1]}{$sort_a[$j]})\n|;
  481:         }
  482:         $scripttext .= qq| idcourses[$j] = new Array($idnums->{$codetitles->[1]}{$sort_a[$j]})\n|;
  483:         if ($longtitles->[3]) {
  484:             $scripttext .= qq| idcourseslongs[$j] = new Array($idnums->{$codetitles->[1]}{$sort_a[$j]})\n|;
  485:         }
  486:         my @sort_b = split/","/,$idlist->{$codetitles->[1]}{$sort_a[$j]};
  487:         for (my $k=0; $k<@sort_b; $k++) {
  488:             my $idcode_entry = $idlist->{$codetitles->[2]}{$sort_a[$j]}{$sort_b[$k]};
  489:             $scripttext .= qq| idcodes[$j][$k] = new Array("$idcode_entry")\n|;
  490:             if ($longtitles->[2]) {
  491:                 my $idcodelong_entry = $idlist_titles->{$codetitles->[2]}{$sort_a[$j]}{$sort_b[$k]};
  492:                 $scripttext .= qq| idcodeslongs[$j][$k] = new Array("$idcodelong_entry")\n|;
  493:             }
  494:             $scripttext .= qq| idcourses[$j][$k] = new Array($idnums->{$codetitles->[2]}{$sort_a[$j]}{$sort_b[$k]})\n|;
  495:             if ($longtitles->[3]) {
  496:                 $scripttext .= qq| idcourseslongs[$j][$k] = new Array($idnums->{$codetitles->[2]}{$sort_a[$j]}{$sort_b[$k]})\n|;
  497:             }
  498:             my @sort_c = split/","/,$idlist->{$codetitles->[2]}{$sort_a[$j]}{$sort_b[$k]};
  499:             for (my $l=0; $l<@sort_c; $l++) {
  500:                 my $idcourse_entry = $idlist->{$codetitles->[3]}{$sort_a[$j]}{$sort_b[$k]}{$sort_c[$l]};
  501:                 $scripttext .= qq| idcourses[$j][$k][$l] = new Array("$idcourse_entry")\n|;
  502:                 if ($longtitles->[3]) {
  503:                     my $idcourselong_entry = $idlist_titles->{$codetitles->[3]}{$sort_a[$j]}{$sort_b[$k]}{$sort_c[$l]};
  504:                     $scripttext .= qq| idcourseslongs[$j][$k][$l] = new Array("$idcourselong_entry")\n|;
  505:                 }
  506:             }
  507:         }
  508:     }
  509:     return ($scripttext,$longtitles);
  510: }
  511: 
  512: sub courseset_js_start {
  513:     my ($formname,$longtitles_str,$allidlist) = @_;
  514:     my $output = <<END;
  515: 
  516: function courseSet(caller) {
  517:     var longtitles = new Array ("$longtitles_str");
  518:     var idyr = document.$formname.Year.selectedIndex
  519:     var idsem  = document.$formname.Semester.selectedIndex
  520:     var iddept = document.$formname.Department.selectedIndex
  521:     var idclass = document.$formname.Number.selectedIndex
  522:     var idyears = new Array("$allidlist");
  523: END
  524:     return $output;
  525: }
  526: 
  527: sub instcode_selectors_data {
  528:     my ($codedom,$formname,$cat_items,$codetitles,$cat_titles,$cat_order,$officialjs) = @_;
  529:     my ($jscript,$codes,%idlist,%idnums,%idlist_titles,%by_year,%by_sem,%by_dept);
  530:     my ($numtitles,$lasttitle,$totcodes);
  531:     my $instcats = &Apache::lonnet::get_dom_instcats($codedom);
  532:     if (ref($instcats) eq 'HASH') {
  533:         if ((ref($instcats->{'codetitles'}) eq 'ARRAY') && (ref($instcats->{'codes'}) eq 'HASH') &&
  534:             (ref($instcats->{'cat_titles'}) eq 'HASH') && (ref($instcats->{'cat_order'}) eq 'HASH')) {
  535:             %{$codes} = %{$instcats->{'codes'}};
  536:             @{$codetitles} = @{$instcats->{'codetitles'}};
  537:             %{$cat_titles} = %{$instcats->{'cat_titles'}};
  538:             %{$cat_order} = %{$instcats->{'cat_order'}};
  539:             $totcodes = scalar(keys(%{$codes}));
  540:             if ((!$totcodes) && (exists($instcats->{'totcodes'}))) {
  541:                 $totcodes = $instcats->{'totcodes'};
  542:             }
  543:             &build_code_selections($codes,$codetitles,$cat_titles,$cat_order,
  544:                                    \%idlist,\%idnums,\%idlist_titles);
  545:             my ($scripttext,$longtitles) =
  546:                 &javascript_definitions($codetitles,\%idlist,\%idlist_titles,
  547:                                         \%idnums,$cat_titles);
  548:             my $longtitles_str = join('","',@{$longtitles});
  549:             my $allidlist = $idlist{$codetitles->[0]};
  550:             $numtitles = @{$codetitles};
  551:             $lasttitle = $numtitles;
  552:             if ($numtitles > 4) {
  553:                 $lasttitle = 4;
  554:             }
  555:             if ($numtitles == 0) {
  556:                 if (!defined($env{'form.state'})) {
  557:                     $env{'form.state'} = 'listing';
  558:                 }
  559:             } else {
  560:                 my @data = ('top');
  561:                 for (my $k=0; $k<$lasttitle; $k++) {
  562:                     my $cat = $codetitles->[$k];
  563:                     my $level = 1;
  564:                     $level = &recurse_options($codetitles->[$k],$idlist{$codetitles->[$k]},$level,$cat,$cat_items,\@data,\%by_year,\%by_sem,\%by_dept);
  565:                 }
  566:                 $scripttext .= &build_javascript(\%by_year,\%by_sem,\%by_dept,$cat_order,$codetitles);
  567:                 if ($officialjs) {
  568:                     $jscript .= '
  569: 
  570: function toggleOfficial() {
  571:    var choice; 
  572:    for (var i=0; i<document.'.$formname.'.official.length; i++) {
  573:        if (document.'.$formname.'.official[i].checked) {
  574:            choice = document.'.$formname.'.official[i].value;
  575:        }
  576:    }
  577:    if (choice == "off") {
  578:        if (document.getElementById("instcodes")) {
  579:            document.getElementById("instcodes").style.display = "none";
  580:        }';
  581:                     for (my $i=0; $i<@{$codetitles}-1; $i++) {
  582:                         $jscript .= '
  583:        document.'.$formname.'.'.$codetitles->[$i].'.selectedIndex = 0;';
  584:                     }
  585:     $jscript .= '
  586:    } else {
  587:        if (document.getElementById("instcodes")) { 
  588:            document.getElementById("instcodes").style.display = "block";
  589:        }
  590:    }
  591: }
  592: 
  593: function setOfficial(caller) {
  594:    if (typeof(caller) != "undefined") {
  595:        if (caller.options[caller.selectedIndex].value != 0) {
  596:            if (document.'.$formname.'.official.length > 0) {
  597:                for (var j=0; j<document.'.$formname.'.official.length; j++) {
  598:                    if (document.'.$formname.'.official[j].value == "on") {
  599:                        document.'.$formname.'.official[j].checked = true;
  600:                    }
  601:                }
  602:             }
  603:         }
  604:     }
  605:     return;
  606: }
  607: 
  608: ';
  609: 
  610:                     $officialjs = 'setOfficial(caller);';
  611:                 }
  612:                 $jscript .= &javascript_select_filler($formname,$scripttext,$codetitles,$longtitles_str,$allidlist,$officialjs);
  613:                 if ($env{'form.state'} eq 'listing') {
  614:                     my @standardnames = &Apache::loncommon::get_standard_codeitems();
  615:                     my %local_to_standard;
  616:                     if (ref($codetitles) eq 'ARRAY') {
  617:                         for (my $i=0; $i<@{$codetitles}; $i++) {
  618:                             $local_to_standard{$codetitles->[$i]} = $standardnames[$i];
  619:                         }
  620:                     }
  621:                     $jscript .= '
  622: function setElements() {
  623: ';
  624:                     for (my $i=0; $i<@{$codetitles}-1; $i++) {
  625:                         my $item = $local_to_standard{$codetitles->[$i]};
  626:                         if ($env{'form.'.$item} != -1) {
  627:                             $jscript .= '
  628:     for (var j=0; j<document.'.$formname.'.'.$item.'.length; j++) {
  629:         if (document.'.$formname.'.'.$item.'[j].value == "'.$env{'form.'.$item}.'") {
  630:             document.'.$formname.'.'.$item.'.selectedIndex = j;
  631:         }
  632:     }
  633: ';
  634:                         }
  635:                     }
  636:                     $jscript .= '   courseSet()'."\n";
  637:                     my $lastcodetitle =  $local_to_standard{$codetitles->[-1]};
  638:                     if ($env{'form.'.$lastcodetitle} != -1) {
  639:                         $jscript .= '
  640:     for (var j=0; j<document.'.$formname.'.'.$lastcodetitle.'.length; j++) {
  641:         if (document.'.$formname.'.'.$lastcodetitle.'[j].value == "'.$env{'form.'.$lastcodetitle}.'") {
  642:             document.'.$formname.'.'.$lastcodetitle.'.selectedIndex = j;
  643:         }
  644:     }
  645: ';
  646:                     }
  647:                     $jscript .= '}';
  648:                 }
  649:             }
  650:         }
  651:     }
  652:     return ($jscript,$totcodes,$numtitles,$lasttitle);
  653: }
  654: 
  655: sub build_instcode_selectors {
  656:     my ($numtitles,$lasttitle,$cat_items,$codetitles,$cat_titles,$cat_order,$official,$class,$id,$noedit) = @_;
  657:     my $output;
  658:     my @standardnames = &Apache::loncommon::get_standard_codeitems();
  659:     if ($numtitles > 0) {
  660:         my $style;
  661:         if ($official eq 'off') {
  662:             $style = ' style="display: none"';
  663:         }
  664:         if ($id eq '') {
  665:             $id = 'instcodes';
  666:         }
  667:         my $disabled;
  668:         if ($noedit) {
  669:             $disabled = ' disabled="disabled"';
  670:         }
  671:         $output .= '<div id="'.$id.'"'.$style.'><table><tr>';
  672:         for (my $k=0; $k<$lasttitle-1; $k++) {
  673:             my (@items,@unsorted);
  674:             if (ref($cat_items->{$codetitles->[$k]}) eq 'ARRAY') {
  675:                 @unsorted = @{$cat_items->{$codetitles->[$k]}};
  676:             }
  677:             &sort_cats($k,$cat_order,$codetitles,\@unsorted,\@items);
  678:             my @longitems;
  679:             if (defined($cat_titles->{$codetitles->[$k]})) {
  680:                 foreach my $item (@items) {
  681:                     push(@longitems,$cat_titles->{$codetitles->[$k]}{$item});
  682:                 }
  683:             } else {
  684:                 @longitems = @items;
  685:             }
  686:             $output .= '<td align="center">'.$codetitles->[$k].'<br />'."\n".
  687:                        '<select name="'.$standardnames[$k].'" onchange="courseSet(this)"';
  688:             if ($class) {
  689:                 $output .= ' class="'.$class.'"';
  690:             }
  691:             $output .= $disabled.'>'."\n".'<option value="0">'.&mt('All').'</option>'."\n";
  692:             for (my $i=0; $i<@items; $i++) {
  693:                 if ($longitems[$i] eq '') {
  694:                     $longitems[$i] = $items[$i];
  695:                 }
  696:                 $output .= ' <option value="'.$items[$i].'">'.$longitems[$i].'</option>';
  697:             }
  698:             $output .= '</select></td>';
  699:         }
  700:         $output .= '<td align="center">'.$codetitles->[$lasttitle-1].'<br />'."\n".
  701:                    '<select name="'.$standardnames[$lasttitle-1].'"';
  702:         if ($class) {
  703:             $output .= ' class="'.$class.'"';
  704:         }
  705:         $output .= $disabled.'>'."\n".
  706:                    '<option value="0">'.&mt('All')."\n".
  707:                    '</option>'."\n".'</select>'."\n".
  708:                    '</td></tr></table>'."\n";
  709:         if ($numtitles > 4) {
  710:             $output .= '<br /><br />'.$codetitles->[$numtitles-1].'<br />'."\n".
  711:                        '<input type="text" name="'.$standardnames[$numtitles-1].
  712:                        '"'.$disabled.' /><br />'."\n";
  713:         }
  714:         $output .= '</div>';
  715:     }
  716:     return $output;
  717: }
  718: 
  719: sub instcode_selectors {
  720:     my ($codedom,$formname,$officialjs,$codetitles) = @_;
  721:     my ($output,%cat_titles,%cat_order,%cat_items);
  722:     my ($jscript,$totcodes,$numtitles,$lasttitle) =
  723:         &instcode_selectors_data($codedom,$formname,\%cat_items,$codetitles,
  724:                                  \%cat_titles,\%cat_order,$officialjs);
  725:     if ($numtitles > 0) {
  726:         my $official = ' checked="checked" ';
  727:         my $unofficial = '';
  728:         if (($formname eq 'filterpicker') && ($env{'form.official'} eq 'off')) {
  729:             $unofficial = $official;
  730:             $official = '';
  731:         }
  732:         $output .= '<span class="LC_nobreak">'.&mt('Official course:').'&nbsp;<label>'.
  733:                    '<input type="radio" name="official" value="on"'.$official.
  734:                    ' onclick="toggleOfficial();" />'.&mt('Yes').'</label>'.
  735:                    ('&nbsp;'x3).'<label>'.
  736:                    '<input type="radio" name="official" value="off"'.$unofficial.
  737:                    ' onclick="toggleOfficial();" />'.&mt('No').'</label></span><br />'.
  738:                    &build_instcode_selectors($numtitles,$lasttitle,\%cat_items,$codetitles,
  739:                                              \%cat_titles,\%cat_order,$env{'form.official'})."\n".
  740:                    '<input type="hidden" name="numtitles" value="'.$numtitles.'" />'."\n".
  741:                    '<input type="hidden" name="state" value="listing" />'."\n";
  742:     }
  743:     return ($output,$jscript,$numtitles);
  744: }
  745: 
  746: sub recurse_options {
  747:     my ($currkey,$currlist,$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept) = @_;
  748:     if (ref($currlist) eq 'HASH') {
  749:         $level ++;
  750:         foreach my $key (sort(keys(%{$currlist}))) {
  751:             $$data[$level-1]= $key;
  752:             &recurse_options($key,$currlist->{$key},$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept);
  753:         }
  754:     } else {
  755:         $level --;
  756:         my @contents = split(/","/,$currlist);
  757:         foreach my $item (@contents) {
  758:             if (!grep(/^\Q$item\E$/,@{$cat_options->{$cat}})) {
  759:                 push(@{$cat_options->{$cat}},$item);
  760:             }
  761:             if ($level == 3) {
  762:                 if (!grep/^\Q$item\E$/,@{$by_year->{$data->[1]}->{$currkey}}) {
  763:                     push(@{$by_year->{$data->[1]}->{$currkey}},$item);
  764:                 }
  765:                 if (!grep/^\Q$item\E$/,@{$by_sem->{$data->[2]}->{$currkey}}) {
  766:                     push(@{$by_sem->{$data->[2]}->{$currkey}},$item);
  767:                 }
  768:                 if (!grep/^\Q$item\E$/,@{$by_dept->{$currkey}}) {
  769:                     push(@{$by_dept->{$currkey}},$item);
  770:                 }
  771: 
  772:             }
  773:         }
  774:     }
  775:     return $level;
  776: }
  777: 
  778: sub build_javascript {
  779:     my ($by_year,$by_sem,$by_dept,$cat_order,$codetitles) = @_;
  780:     my @unsorted = keys(%{$by_year});
  781:     my @sorted_yrs;
  782:     &sort_cats('0',$cat_order,$codetitles,\@unsorted,\@sorted_yrs);
  783:     my $output = 'var idcse_by_yr_year = new Array("'.join('","',@sorted_yrs).'");'."\n".
  784:                  'var idcse_by_yr_dept = new Array('.scalar(@sorted_yrs).');'."\n".
  785:                  'var idcse_by_yr_num = new Array('.scalar(@sorted_yrs).');'."\n";
  786:     for (my $i=0; $i<@sorted_yrs; $i++) {
  787:         my $numkeys = keys(%{$by_year->{$sorted_yrs[$i]}});
  788:         $output .= " idcse_by_yr_num[$i] = new Array($numkeys);\n";
  789:         if (ref($by_year->{$sorted_yrs[$i]}) eq 'HASH') {
  790:             @unsorted = keys(%{$by_year->{$sorted_yrs[$i]}});
  791:             my @sorted_depts;
  792:             &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts);
  793:             $output .= qq| idcse_by_yr_dept[$i] = new Array ("|.join('","',@sorted_depts).'");'."\n";
  794:             for (my $j=0; $j<@sorted_depts; $j++) {
  795:                 $output .= qq| idcse_by_yr_num[$i][$j] = new Array ("|;
  796:                 $output .= join('","',sort(@{$by_year->{$sorted_yrs[$i]}->{$sorted_depts[$j]}})).'");'."\n";
  797:             }
  798:         }
  799:     }
  800:     @unsorted = keys(%{$by_sem});
  801:     my @sorted_sems;
  802:     &sort_cats('1',$cat_order,$codetitles,\@unsorted,\@sorted_sems);
  803:     $output .=  'idcse_by_sem_sems = new Array("'.join('","',@sorted_sems).'");'."\n".
  804:                 'idcse_by_sem_dept = new Array('.scalar(@sorted_sems).');'."\n".
  805:                 'idcse_by_sem_num = new Array('.scalar(@sorted_sems).');'."\n";
  806:     for (my $i=0; $i<@sorted_sems; $i++) {
  807:         my $numkeys = keys(%{$by_sem->{$sorted_sems[$i]}});
  808:         $output .= " idcse_by_sem_num[$i] = new Array($numkeys);\n";
  809:         if (ref($by_sem->{$sorted_sems[$i]}) eq 'HASH') {
  810:             @unsorted = keys(%{$by_sem->{$sorted_sems[$i]}});
  811:             my @sorted_depts;
  812:             &sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts);
  813:             $output .= qq| idcse_by_sem_dept[$i] = new Array("|.join('","',@sorted_depts).'");'."\n";
  814:             for (my $j=0; $j<@sorted_depts; $j++) {
  815:                 $output .= qq| idcse_by_sem_num[$i][$j] = new Array ("|.join('","',sort(@{$by_sem->{$sorted_sems[$i]}->{$sorted_depts[$j]}})).'");'."\n";
  816:             }
  817:         }
  818:     }
  819:     @unsorted = keys(%{$by_dept});
  820:     my @sorted_deps;
  821:     &sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_deps);
  822:     $output .= 'idcse_by_dep = new Array('.scalar(@sorted_deps).');'."\n";
  823:     for (my $k=0; $k<@sorted_deps; $k++) {
  824:         $output .= qq| idcse_by_dep[$k] = new Array ("|.join('","',sort(@{$by_dept->{$sorted_deps[$k]}})).'");'."\n";
  825:     }
  826:     return $output;
  827: }
  828: 
  829: sub javascript_select_filler {
  830:     my ($formname,$scripttext,$codetitles,$longtitles_str,$allidlist,$officialjs) = @_;
  831:     my $all = &mt('All');
  832:     my $nocrs = &mt('No courses');
  833:     my $output = <<END;
  834: 
  835: function courseSet(caller, onload) {
  836:     var longtitles = new Array ("$longtitles_str");
  837:     var valyr = '';
  838:     var valsem = '';
  839:     var valdept = '';
  840:     var valclass = '';
  841:     if (onload) {
  842:         valyr = "$env{'form.Year'}";
  843:         valsem = "$env{'form.Semester'}";
  844:         valdept = "$env{'form.Department'}";
  845:         valclass = "$env{'form.Number'}";
  846:     } else {
  847:         valyr = document.$formname.Year.options[document.$formname.Year.selectedIndex].value;
  848:         valsem  = document.$formname.Semester.options[document.$formname.Semester.selectedIndex].value;
  849:         valdept = document.$formname.Department.options[document.$formname.Department.selectedIndex].value;
  850:         valclass = document.$formname.Number.options[document.$formname.Number.selectedIndex].value;
  851:     }
  852:     var idyears = new Array("$allidlist");
  853:     var idyr = -1;
  854:     var idsem = -1;
  855:     var iddept = -1;
  856:     document.$formname.Number.length = 0;
  857: 
  858:     $scripttext
  859: 
  860:     if (onload) {
  861:         if (document.$formname.Year.options.length > 0) {
  862:             for (var i = 0; i< document.$formname.Year.options.length; i++) {
  863:                 if (document.$formname.Year.options[i].value == "$env{'form.Year'}") {
  864:                     document.$formname.Year.selectedIndex = i;
  865:                     break;
  866:                 }
  867:             }
  868:         }
  869:         if (document.$formname.Department.options.length > 0) {
  870:             for (var i = 0; i< document.$formname.Department.options.length; i++) {
  871:                 if (document.$formname.Department.options[i].value == "$env{'form.Department'}") {
  872:                     document.$formname.Department.selectedIndex = i;
  873:                     break;
  874:                 }
  875:             }
  876:         }
  877:         if (document.$formname.Semester.options.length > 0) {
  878:             for (var i = 0; i< document.$formname.Semester.options.length; i++) {
  879:                 if (document.$formname.Semester.options[i].value == "$env{'form.Semester'}") {
  880:                     document.$formname.Semester.selectedIndex = i;
  881:                     break;
  882:                 }
  883:             }
  884:         }
  885:     }
  886: 
  887:     var selYear = document.$formname.Year.selectedIndex-1;
  888:     var selSemester = document.$formname.Semester.selectedIndex-1;
  889:     var selDepartment = document.$formname.Department.selectedIndex-1;
  890:     if (selYear == -1) {
  891:         if (selSemester == -1) {
  892:             if (selDepartment > -1) {
  893:                 document.$formname.Number.options[0] =  new Option('$all','0',false,false);
  894:                 for (var k=0; k<idcse_by_dep[selDepartment].length; k++) {
  895:                     document.$formname.Number.options[k+1] = new Option(idcse_by_dep[selDepartment][k],idcse_by_dep[selDepartment][k],false,false);
  896: 
  897:                 }
  898:             }
  899:             else {
  900:                 document.$formname.Number.options[0] = new Option('$all','0',true,true);
  901:             }
  902:         }
  903:         else {
  904:             if (selDepartment > -1) {
  905:                 for (var i=0; i<idcse_by_sem_sems.length; i++) {
  906:                     if (idcse_by_sem_sems[i] == valsem) {
  907:                         idsem = i;
  908:                     }
  909:                 }
  910:                 if (idsem != -1) {
  911:                     for (var i=0; i<idcse_by_sem_dept[idsem].length; i++) {
  912:                         if (idcse_by_sem_dept[idsem][i] == valdept) {
  913:                             iddept = i;
  914:                         }
  915:                     }
  916:                 }
  917:                 if (iddept != -1) {
  918:                     document.$formname.Number.options[0] =  new Option('$all','0',false,false);
  919:                     for (var k=0; k<idcse_by_sem_num[idsem][iddept].length; k++) {
  920:                         document.$formname.Number.options[k+1] = new Option(idcse_by_sem_num[idsem][iddept][k],idcse_by_sem_num[idsem][iddept][k],false,false);
  921:                     }
  922:                 }
  923:                 else {
  924:                     document.$formname.Number.options[0] =  new Option('$nocrs','0',true,true);
  925:                 }
  926:             }
  927:             else {
  928:                 document.$formname.Number.options[0] = new Option('$all','0',true,true);
  929:             }
  930:         }
  931:     }
  932:     else {
  933:         if (selSemester == -1) {
  934:             if (selDepartment > -1) {
  935:                 for (var i=0; i<idcse_by_yr_year.length; i++) {
  936:                     if (idcse_by_yr_year[i] == valyr) {
  937:                         idyr = i;
  938:                     }
  939:                 }
  940:                 if (idyr != -1) {
  941:                     for (var i=0; i<idcse_by_yr_dept[idyr].length; i++) {
  942:                         if (idcse_by_yr_dept[idyr][i] == valdept) {
  943:                             iddept = i;
  944:                         }
  945:                     }
  946:                 }
  947:                 if (iddept != -1) {
  948:                     document.$formname.Number.options[0] =  new Option('$all','0',false,false);
  949:                     for (var k=0; k<idcse_by_yr_num[idyr][iddept].length; k++) {
  950:                         document.$formname.Number.options[k+1] = new Option(idcse_by_yr_num[idyr][iddept][k],idcse_by_yr_num[idyr][iddept][k],false,false);
  951:                     }
  952:                 }
  953:                 else {
  954:                     document.$formname.Number.options[0] =  new Option('$nocrs','0',true,true);
  955:                 }
  956:             }
  957:             else {
  958:                 document.$formname.Number.options[0] = new Option('$all','0',true,true);
  959:             }
  960:         }
  961:         else {
  962:             if (selDepartment > -1) {
  963:                 for (var k=0; k<idyears.length; k++) {
  964:                     if (idyears[k] == valyr) {
  965:                         idyr = k;
  966:                     }
  967:                 }
  968:                 if (idyr != -1) {
  969:                     for (var k=0; k<idsems[idyr].length; k++) {
  970:                         if (idsems[idyr][k] == valsem) {
  971:                             idsem = k;
  972:                         }
  973:                     }
  974:                 }
  975:                 if (idsem != -1) {
  976:                     for (var k=0; k<idcodes[idyr][idsem].length; k++) {
  977:                         if (idcodes[idyr][idsem][k] == valdept) {
  978:                             iddept = k;
  979:                         }
  980:                     }
  981:                 }
  982:                 if (iddept != -1) {
  983:                     document.$formname.Number.options[0] = new Option('$all','0',false,false);
  984:                     for (var i=0; i<idcourses[idyr][idsem][iddept].length; i++) {
  985:                         var display = idcourses[idyr][idsem][iddept][i];
  986:                         if (longtitles[3] == 1) {
  987:                             if (idcourseslongs[idyr][idsem][iddept][i] != "") {
  988:                                 display = idcourseslongs[idyr][idsem][iddept][i]
  989:                             }
  990:                         }
  991:                         document.$formname.Number.options[i+1] = new Option(display,idcourses[idyr][idsem][iddept][i],false,false)
  992:                     }
  993:                 }
  994:                 else {
  995:                     document.$formname.Number.options[0] =  new Option('$nocrs','0',true,true);
  996:                 }
  997:             }
  998:             else {
  999:                 document.$formname.Number.options[0] =  new Option('$all','0',true,true);
 1000:             }
 1001:         }
 1002:         document.$formname.Number.selectedIndex = 0
 1003:     }
 1004:     if (onload) {
 1005:         if (document.$formname.Number.options.length > 0) {
 1006:             for (var i = 0; i< document.$formname.Number.options.length; i++) {
 1007:                 if (document.$formname.Number.options[i].value == "$env{'form.Number'}") {
 1008:                     document.$formname.Number.selectedIndex = i;
 1009:                     break;
 1010:                 }
 1011:             }
 1012:         }
 1013:     } else {
 1014:         $officialjs
 1015:     }
 1016: }
 1017: END
 1018:     return $output;
 1019: }
 1020: 
 1021: sub instcode_search_str {
 1022:     my ($domain,$numtitles,$codetitles) = @_;
 1023:     my $instcode;
 1024:     if (defined($numtitles) && $numtitles == 0) {
 1025:         $instcode = '.+';
 1026:     } else {
 1027:         my (%codedefaults,@code_order);
 1028:         my $defaults_result =
 1029:             &Apache::lonnet::auto_instcode_defaults($domain,\%codedefaults,
 1030:                                                     \@code_order);
 1031:         my @standardnames = &Apache::loncommon::get_standard_codeitems();
 1032:         my %local_to_standard;
 1033:         if (ref($codetitles) eq 'ARRAY') {
 1034:             for (my $i=0; $i<@{$codetitles}; $i++) {
 1035:                 $local_to_standard{$codetitles->[$i]} = $standardnames[$i];
 1036:             }
 1037:         }
 1038:         if ($defaults_result eq 'ok') {
 1039:             $instcode ='^';
 1040:             foreach my $loctitle (@code_order) {
 1041:                 my $item = $local_to_standard{$loctitle};
 1042:                 if ($item ne '') {
 1043:                     if ($env{'form.'.$item} eq '0' ) {
 1044:                         $instcode .= $codedefaults{$loctitle};
 1045:                     } else {
 1046:                         $instcode .= $env{'form.'.$item};
 1047:                     }
 1048:                 } else {
 1049:                     $instcode .= '.+';
 1050:                 }
 1051:             }
 1052:             $instcode .= '$';
 1053:         } else {
 1054:             $instcode = '.+';
 1055:         }
 1056:     }
 1057:     return $instcode;
 1058: }
 1059: 
 1060: sub instcode_from_selectors {
 1061:     my ($cdom,$noregexps) = @_;
 1062:     my $instcode;
 1063:     my (@codetitles,%codedefaults,@code_order);
 1064:     my $instcats = &Apache::lonnet::get_dom_instcats($cdom);
 1065:     if (ref($instcats) eq 'HASH') {
 1066:         if (ref($instcats->{'codetitles'}) eq 'ARRAY') {
 1067:             @codetitles = @{$instcats->{'codetitles'}};
 1068:         }
 1069:     }
 1070:     my $defaults_result =
 1071:         &Apache::lonnet::auto_instcode_defaults($cdom,\%codedefaults,
 1072:                                                 \@code_order);
 1073:     if (($defaults_result eq 'ok') && (@codetitles > 0)) {
 1074:         my @standardnames = &Apache::loncommon::get_standard_codeitems();
 1075:         my %local_to_standard;
 1076:         for (my $i=0; $i<@codetitles; $i++) {
 1077:             $local_to_standard{$codetitles[$i]} = $standardnames[$i];
 1078:         }
 1079:         foreach my $loctitle (@code_order) {
 1080:             my $category = $local_to_standard{$loctitle};
 1081:             if ($category ne '') {
 1082:                 if ($env{'form.'.$category} eq '-1' ) {
 1083:                     if ($noregexps) {
 1084:                         $instcode .= ' ';
 1085:                     } else {
 1086:                         $instcode .= $codedefaults{$category};
 1087:                     }
 1088:                 } else {
 1089:                     $instcode .= $env{'form.'.$category};
 1090:                 }
 1091:             } else {
 1092:                 $instcode .= '.+';
 1093:             }
 1094:         }
 1095:     }
 1096:     return $instcode;
 1097: }
 1098: 
 1099: 1;
 1100: 

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