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Diff for /loncom/homework/hint.pm between versions 1.14 and 1.27

version 1.14, 2001/08/06 17:12:29 version 1.27, 2002/03/06 20:39:15
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 # The LON-CAPA hint handler.  # The LearningOnline Network with CAPA 
   # implements the tags that control the hints
 #  #
 # Handles the displaying of hints.  # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
 #  #
 # YEAR=2000  
 # 12/19,12/21 Guy Albertelli  
 # YEAR=2001  
 # 1/4,1/5,1/22,2/7,2/19,3/31,4/5,4/10,5/31,6/2 Guy Albertelli  
 # 8/6 Scott Harrison  
   
 package Apache::hinttags;   package Apache::hinttags; 
   
Line 14  use strict; Line 32  use strict;
 use Apache::lonnet;  use Apache::lonnet;
 use capa;  use capa;
   
 # ======================================================================= BEGIN  BEGIN {
 sub BEGIN {    &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint'));
   &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart',  
  'numericalhint'));  
 }  }
   
 @Apache::hint::which = ();  
   
 # ============================================================ Start hint group  @Apache::hint::which=();
 sub start_hintgroup {  sub start_hintgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $skiptoend = '0';    my $skiptoend='0';
     my $result;    my $result;
     if ($target eq 'web') {  
  my $id = $Apache::inputtags::part;    if ($target eq 'web') {
  my $numtries = $Apache::lonhomework::history{"resource.$id.tries"};      my $id=$Apache::inputtags::part;
  if ( $numtries eq '') { $numtries = 0; }      my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
  my $hinttries = &Apache::lonnet::EXT("resource.$id.hinttries");      if ( $numtries eq '') { $numtries = 0; }
  if ( $hinttries eq '') { $hinttries = 1; }      my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
  &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");      if ( $hinttries eq '') { $hinttries = 1; }
  if ( $numtries < $hinttries ) {      &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
     $skiptoend = '1';      if ( $numtries < $hinttries ) {
  } else {        $skiptoend='1';
     if ($target eq 'web') {      } else {
  $result = '<table bgcolor="#dddddd"><tr><td>';        if ($target eq 'web') {$result='<table bgcolor="#dddddd"><tr><td>';}
     }  
  }  
     }      }
     if ($skiptoend) {      if ($skiptoend) {
  &Apache::lonxml::get_all_text("/hintgroup",$$parser[$#$parser]);        &Apache::lonxml::get_all_text("/hintgroup",$$parser[$#$parser]);
     }      }
     @Apache::hint::which = ();    } elsif ($target eq 'tex') {
     return $result;      $result .= '\keephidden{'; 
     }
     @Apache::hint::which=();
     return $result;
 }  }
   
 # ============================================================== End hint group  
 sub end_hintgroup {  sub end_hintgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;    my $result;
     if ($target eq 'web') {  
  my $id = $Apache::inputtags::part;    if ($target eq 'web') {
  my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};      my $id=$Apache::inputtags::part;
  if ( $numtries eq '') { $numtries = 0; }      my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
  my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");      if ( $numtries eq '') { $numtries = 0; }
  if ( $hinttries eq '') { $hinttries = 1; }      my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
  &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");      if ( $hinttries eq '') { $hinttries = 1; }
  if ( $numtries => $hinttries ) {      &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
     if ($target eq 'web') {$result = '</td></tr></table>';}      if ( $numtries >= $hinttries ) {
  }        $result='</td></tr></table>';
     }      }
     @Apache::hint::which = '';    } elsif ($target eq 'edit') {
     return $result;      $result.=&Apache::edit::end_table();
     } elsif ($target eq 'tex') {
       $result .= '}'; 
     }
     @Apache::hint::which=();
     return $result;
 }  }
   
 # ======================================================== Start numerical hint  
 sub start_numericalhint {  sub start_numericalhint {
     #do everything in end, so intervening <responseparams> work    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     return '';    #do everything in end, so intervening <responseparams> work
     &Apache::response::start_hintresponse($parstack,$safeeval);
     my $result;
     if ($target eq 'edit') {
       $result.=&Apache::edit::tag_start($target,$token);
       $result.=&Apache::edit::text_arg('Name:','name',$token);
       $result.=&Apache::edit::text_arg('Answer:','answer',$token);
       $result.=&Apache::edit::text_arg('Unit:','unit',$token,5);
       $result.=&Apache::edit::text_arg('Format:','format',$token,4);
       $result.=&Apache::edit::end_row();
       $result.=&Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {
       my $constructtag=
         &Apache::edit::get_new_args($token,$parstack,$safeeval,
     'name','answer','unit', 'format');
       if ($constructtag) {
         $result  = &Apache::edit::rebuild_tag($token);
         $result .= &Apache::edit::handle_insert();
       }
     }
     return $result;
 }  }
   
 # ========================================================== End numerical hint  
 sub end_numericalhint {  sub end_numericalhint {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;    my $result;
     if ($target eq 'web') {    if ($target eq 'web') {
  $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);      $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
  my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);      my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
  my $response = $Apache::lonhomework::history{'resource.'.      &Apache::response::setup_params('numericalhint');
        $Apache::inputtags::part.'.'.      my $partid=$Apache::inputtags::part;
        $Apache::inputtags::response['-1'].'.submission'};      my $id=$Apache::inputtags::response['-1'];
  &Apache::lonxml::debug("hintgroup is using $response<br />\n");      #id submissions occured under
  my $expression = "&caparesponse_check_list('".$response."','".      my $submitid=$Apache::inputtags::response['-2'];
                   $$parstack[$#$parstack].      my $response = $Apache::lonhomework::history{
                  ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.      "resource.$partid.$submitid.submission"};
                  ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.      &Apache::lonxml::debug("hintgroup is using $response<br />\n");
          "');";      #build safe space expression
  $result = &Apache::run::run($expression,$safeeval);      my $expression="&caparesponse_check_list('".$response."','".
  &Apache::lonxml::debug("$expression:result:$result:".        $$parstack[$#$parstack];
        $Apache::lonxml::curdepth);      #need to get all possible parms
  my ($awards) = split /:/, $result;      foreach my $key (keys(%Apache::inputtags::params)) {
  my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);        $expression.= ';my $'. #'
  if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') {   $key.'="'.$Apache::inputtags::params{$key}.'"';
     push (@Apache::hint::which,$name); }  
  $result = '';  
     }      }
     return $result;      $expression.="');";
       $result = &Apache::run::run($expression,$safeeval);
       &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");
       my ($awards) = split /:/ , $result;
       my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
       if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
       $result='';
     } elsif ($target eq 'meta') {
       $result=&Apache::response::meta_package_write('numericalhint');
     } elsif ($target eq 'edit') {
       $result.='</td></tr>'.&Apache::edit::end_table;
     }
     &Apache::response::end_hintresponse();
     return $result;
 }  }
   
 # ======================================================= Starting part of hint  
 # a part shows if it is on, if no specific parts are on, then default shows  # a part shows if it is on, if no specific parts are on, then default shows
 sub start_hintpart {  sub start_hintpart {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $show ='0';  
     if ($target eq 'web') {    my $show ='0';
  my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);    my $result = '';
  &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");    if ($target eq 'web') {
  if ( $on eq 'default' && $#Apache::hint::which == '-1') {      my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
     $show=1;      &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
  } else {      if ( $on eq 'default' && $#Apache::hint::which == '-1') {
     my $which;        $show=1;
     foreach $which (@Apache::hint::which) {      } else {
  if ($which eq $on) { $show = 1; last } }        my $which;
  }        foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
  if (!$show) {  
     &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);  
  }  
     } elsif ($target eq 'grade') {  
  &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);  
     }      }
     return '';      if (!$show) {
         &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
       }
     } elsif ($target eq 'grade') {
       &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
     } elsif ($target eq 'edit') {
       $result.= &Apache::edit::tag_start($target,$token);
       $result.= &Apache::edit::text_arg('On:','on',$token);
       $result.= &Apache::edit::end_row();
       $result.= &Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {
       my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
    'on');
       if ($constructtag) {
         $result = &Apache::edit::rebuild_tag($token);
         $result.=&Apache::edit::handle_insert();
       }
     }
     return $result;
 }  }
   
 # ========================================================= Ending part of hint  
 sub end_hintpart {  sub end_hintpart {
   return '';    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result;
     if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
     return $result;
 }  }
   
 1;  1;
   
 __END__  __END__
Removed from v.1.14  
changed lines
  Added in v.1.27

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