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Diff for /loncom/homework/inputtags.pm between versions 1.1 and 1.78

version 1.1, 2000/07/25 21:27:30 version 1.78, 2003/01/13 21:22:43
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # input  definitons  # input  definitons
   #
   # $Id$
   #
   # 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/
   #
   # 2/19 Guy 
   
 package Apache::inputtags;  package Apache::inputtags;
   use HTML::Entities();
 use strict;  use strict;
   
 sub BEGIN {  BEGIN {
   &Apache::lonxml::register('Apache::inputtags',('textline','answergroup'));    &Apache::lonxml::register('Apache::inputtags',('textfield','textline'));
 }  }
   
   
 sub initialize_inputtags {  sub initialize_inputtags {
   $Apache::inputtags::curvalue=0;    # list of current input ids
     @Apache::inputtags::input=();
     # list of all input ids seen in this problem
     @Apache::inputtags::inputlist=();
     # list of all current response ids
     @Apache::inputtags::response=();
     # list of all response ids seen in this problem
     @Apache::inputtags::responselist=();
     # list of whether or not a specific response was previously used
     @Apache::inputtags::previous=();
     # submission it was used in
     @Apache::inputtags::previous_version=();
     # id of current part, 0 means that no part is current (inside <problem> only
     $Apache::inputtags::part='';
     # list of problem date statuses, the first element is for <problem>
     # if there is a second element it is for the current <part>
     @Apache::inputtags::status=();
     # hash of defined params for the current response
     %Apache::inputtags::params=();
     # list of all ids, for <import>, these get join()ed and prepended
     @Apache::inputtags::import=();
   }
   
   sub start_input {
     my ($parstack,$safeeval)=@_;
     my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
     if ($id eq '') { $id = $Apache::lonxml::curdepth; }
     push (@Apache::inputtags::input,$id);
     push (@Apache::inputtags::inputlist,$id);
     return $id;
   }
   
   sub end_input {
     pop @Apache::inputtags::input;
     return '';
   }
   
   sub start_textfield {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result = "";
     my $id = &start_input($parstack,$safeeval);
     my $resid=$Apache::inputtags::response[-1];
     if ($target eq 'web') {
       $Apache::lonxml::evaluate--;
       if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
    my $partid=$Apache::inputtags::part;
    my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"});
    my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
    if ( $cols eq '') { $cols = 80; }
    my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
    if ( $rows eq '') { $rows = 10; }
    $result= '<textarea name="HWVAL'.$resid.'" '.
       "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
    if ($oldresponse ne '') {
       #get rid of any startup text if the user has already responded
       &Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
    }
       } else {
    #right or wrong don't show it
    #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
    $result='';
    #get rid of any startup text
    &Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
       }
     } elsif ($target eq 'grade') {
       my $seedtext=&Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
       if ($seedtext eq $ENV{'form.HWVAL'.$resid}) {
         # if the seed text is still there it wasn't a real submission
         $ENV{'form.HWVAL'.$resid}='';
       }
     } elsif ($target eq 'edit') {
       $result.=&Apache::edit::tag_start($target,$token);
       $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
       $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
       my $bodytext=&Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
       $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
     } elsif ($target eq 'modified') {
       my $constructtag=&Apache::edit::get_new_args($token,$parstack,
    $safeeval,'rows','cols');
       if ($constructtag) {
         $result = &Apache::edit::rebuild_tag($token);
       } else {
         $result=$token->[4];
       }
       $result.=&Apache::edit::modifiedfield();
     } elsif ($target eq 'tex') {
         if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
     my $number_of_lines= &Apache::lonxml::get_param('rows',$parstack,$safeeval);
     $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
    for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
    $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
         }
     }
     return $result;
   }
   
   sub end_textfield {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result;
     if ($target eq 'web') {
       $Apache::lonxml::evaluate++;
       if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
         return "</textarea>";
       }
     } elsif ($target eq 'edit') {
       $result=&Apache::edit::end_table();
     }
     &end_input;
     return $result;
 }  }
   
 sub start_textline {  sub start_textline {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   my $result = "";    my $result = "";
   $Apache::inputtags::curvalue++;  
   if ($target eq 'web') {    if ($target eq 'web') {
     $result= '<input name="HWVAL'.$Apache::inputtags::curvalue.'" value="">';      $Apache::lonxml::evaluate--;
       if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
         my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
         my $maxlength;
         if ($size eq '') { $size=20; } else {
    if ($size < 20) { $maxlength=$size; }
         }
         my $partid=$Apache::inputtags::part;
         my $id=$Apache::inputtags::response[-1];
         my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
         if ($Apache::lonhomework::type ne 'exam') {
           $result= '<input type="text" name="HWVAL'.$id.'" value="'.
       $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
         }
       } else {
         #right or wrong don't show what was last typed in.
         #$result='<i>'.$oldresponse.'</i>';
         $result='';
       }
     } elsif ($target eq 'edit') {
       $result=&Apache::edit::tag_start($target,$token);
       $result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
       $result.=&Apache::edit::end_table;
     } elsif ($target eq 'modified') {
       my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
       if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
     } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
         my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
         if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
         $result='\framebox['.$size.'][s]{\tiny\strut}';
   }    }
   return $result;    return $result;
 }  }
   
 sub end_textline {  sub end_textline {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     if    ($target eq 'web') { $Apache::lonxml::evaluate++; }
     elsif ($target eq 'edit') { return ('','no'); }
     return "";
   }
   
   sub finalizeawards {
     my $result='';
     my $award;
     if ($#_ == '-1') { $result = "NO_RESPONSE"; }
     if ($result eq '' ) {
       my $blankcount;
       foreach $award (@_) {
         if ($award eq '') {
    $result='MISSING_ANSWER';
    $blankcount++;
         }
       }
       if ($blankcount == ($#_ + 1)) { $result = 'NO_RESPONSE'; }
     }
     if ($result eq '' ) {
       foreach $award (@_) { if ($award eq 'MISSING_ANSWER') {$result='MISSING_ANSWER'; last;}}
     }
     if ($result eq '' ) {
       foreach $award (@_) { if ($award eq 'ERROR') {$result='ERROR'; last;}}
     }
     if ($result eq '' ) {
       foreach $award (@_) { if ($award eq 'NO_RESPONSE') {$result='NO_RESPONSE'; last;} }
     }
   
     if ($result eq '' ) {
       foreach $award (@_) { 
         if ($award eq 'UNIT_FAIL' ||
     $award eq 'NO_UNIT' ||
     $award eq 'UNIT_NOTNEEDED') {
    $result=$award; last;
         }
       }
     }
     if ($result eq '' ) {
       foreach $award (@_) { 
         if ($award eq 'WANTED_NUMERIC' || 
     $award eq 'BAD_FORMULA') {$result=$award; last;}
       }
     }
     if ($result eq '' ) {
       foreach $award (@_) { if ($award eq 'SIG_FAIL') {$result=$award; last;} }
     }
     if ($result eq '' ) {
       foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
     }
     if ($result eq '' ) {
       foreach $award (@_) { if ($award eq 'DRAFT') {$result=$award; last;} }
     }
     if ($result eq '' ) {
       foreach $award (@_) { if ($award eq 'SUBMITTED') {$result=$award; last;} }
     }
     if ($result eq '' ) {
       foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
     }
     if ($result eq '' ) { $result='EXACT_ANS'; }
     return $result
 }  }
   
 sub start_answergroup {  sub decideoutput {
     my ($award,$solved,$previous,$target)=@_;
     my $message='';
     my $button=0;
     my $previousmsg;
   
     if ($previous) { $previousmsg='You have entered that answer before'; }
   
     if      ($solved =~ /^correct/) {
       if ($target eq 'tex') {
         $message = '\textbf{You are correct}. Your receipt is '.
         &Apache::lonnet::receipt;
       } else {
         $message = "<b>You are correct.</b> Your receipt is ".
         &Apache::lonnet::receipt;
       }
       $button=0;
       $previousmsg='';
     } elsif ($solved =~ /^excused/) {
       $message = "<b>You are excused from the problem.</b>";
       $button=0;
       $previousmsg='';
     } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
       if ($solved =~ /^incorrect/ || $solved eq '') {
         $message = "Incorrect";
         $button=1;
       } else {
         $message = "<b>You are correct.</b> Your receipt is ".
    &Apache::lonnet::receipt;
         $button=0;
         $previousmsg='';
       }
     } elsif ($award eq 'NO_RESPONSE') {
       $message = '';
       $button=1;
     } elsif ($award eq 'MISSING_ANSWER') {
       $message = 'Some parts were not submitted';
       $button = 1;
     } elsif ($award eq 'WANTED_NUMERIC') {
       $message = "This question expects a numeric answer";
       $button=1;
     } elsif ($award eq 'SIG_FAIL') {
       $message = "Please adjust significant figures.";# you provided %s significant figures";
       $button=1;
     } elsif ($award eq 'UNIT_FAIL') {
       $message = "Units incorrect."; #Computer reads units as %s";
       $button=1;
     } elsif ($award eq 'UNIT_NOTNEEDED') {
       $message = "Only a number required.";# Computer reads units of %s";
       $button=1;
     } elsif ($award eq 'NO_UNIT') {
       $message = "Units required";
       $button=1;
     } elsif ($award eq 'BAD_FORMULA') {
       $message = "Unable to understand formula";
       $button=1;
     } elsif ($award eq 'INCORRECT') {
       $message = "Incorrect";
       $button=1;
     } elsif ($award eq 'SUBMITTED') {
       $message = "Your submission has been recorded.";
       $button=1;
     } elsif ($award eq 'DRAFT') {
       $message = "A draft copy has been saved.";
       $button=1;
     } else {
       $message = "Unknown message: $award";
       $button=1;
     }
     return ($button,$message,$previousmsg);
   }
   
   sub setgradedata {
     my ($award,$id,$previously_used) = @_;
     # if the student already has it correct, don't modify the status
     if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
         $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
       $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
       return '';
     } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
          /^correct/ ) {
       #handle assignment of tries and solved status
       if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
         $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
       }
       if ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
         $Apache::lonhomework::results{"resource.$id.tries"} =
    $Apache::lonhomework::history{"resource.$id.tries"} + 1;
         $Apache::lonhomework::results{"resource.$id.solved"} =
    'correct_by_student';
         $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
       } elsif ( $award eq 'INCORRECT' ) {
         $Apache::lonhomework::results{"resource.$id.tries"} =
    $Apache::lonhomework::history{"resource.$id.tries"} + 1;
         $Apache::lonhomework::results{"resource.$id.solved"} =
    'incorrect_attempted'
       } elsif ( $award eq 'SUBMITTED' ) {
         $Apache::lonhomework::results{"resource.$id.tries"} =
    $Apache::lonhomework::history{"resource.$id.tries"} + 1;
         $Apache::lonhomework::results{"resource.$id.solved"} =
    'ungraded_attempted';
       } elsif ( $award eq 'DRAFT' ) {
         $Apache::lonhomework::results{"resource.$id.solved"} = '';
       } elsif ( $award eq 'NO_RESPONSE' ) {
         return '';
       } else {
         $Apache::lonhomework::results{"resource.$id.solved"} =
    'incorrect_attempted';
       }
   
       # check if this was a previous submission if it was delete the
       # unneeded data and update the previously_used attribute
       if ( $previously_used eq 'PREVIOUSLY_USED') {
         delete($Apache::lonhomework::results{"resource.$id.tries"});
         $Apache::lonhomework::results{"resource.$id.previous"} = '1';
       } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
         #delete all data as they student didn't do anything, but save
         #the list of collaborators.
         foreach my $key (keys(%Apache::lonhomework::results)) {
    if (($key =~ /^resource\.$id\./) && ($key !~ /\.collaborators$/)) {
     &Apache::lonxml::debug("Removing $key");
     delete($Apache::lonhomework::results{$key});
    }
         }
         #and since they didn't do anything we were never here
         return '';
       } else {
         $Apache::lonhomework::results{"resource.$id.previous"} = '0';
       }
     }
     $Apache::lonhomework::results{"resource.$id.award"} = $award;
 }  }
   
 sub end_answergroup {  sub grade {
   return '<input type="submit" value="Submit All Answers"';    my ($target) = @_;
     my $id = $Apache::inputtags::part;
     my $response='';
     if ( defined $ENV{'form.submitted'}) {
       my @awards = ();
       foreach $response (@Apache::inputtags::responselist) {
         &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
         my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
         &Apache::lonxml::debug("keeping $value from $response for $id");
         push (@awards,$value);
       }
       my $finalaward = &finalizeawards(@awards);
       my $previously_used;
       if ( $#Apache::inputtags::previous eq $#awards ) {
    my $match=0;
    my @matches;
    foreach my $versionar (@Apache::inputtags::previous_version) {
       foreach my $version (@$versionar) {
    $matches[$version]++;
       }
    }
    foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
    if ($match) {
       $previously_used = 'PREVIOUSLY_LAST';
       foreach my $value (@Apache::inputtags::previous) {
    if ($value eq 'PREVIOUSLY_USED' ) {
       $previously_used = $value;
       last;
    }
       }
    }
       }
       &Apache::lonxml::debug("final award $finalaward, $previously_used");
       &setgradedata($finalaward,$id,$previously_used);
     }
     return '';
 }  }
   
   sub gradestatus {
     my ($id,$target) = @_;
     my $showbutton = 1;
     my $message = '';
     my $latemessage = '';
     my $trystr='';
     my $button='';
     my $previousmsg='';
   
     my $status = $Apache::inputtags::status['-1'];
     &Apache::lonxml::debug("gradestatus has :$status:");
     if ( $status ne 'CLOSED' && $status ne 'UNAVAILABLE') {  
       my $award = $Apache::lonhomework::history{"resource.$id.award"};
       my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
       my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
       &Apache::lonxml::debug("Found Award |$award|$solved|");
       if ( $award ne '' ) {
         &Apache::lonxml::debug('Getting message');
         ($showbutton,$message,$previousmsg) =
    &decideoutput($award,$solved,$previous,$target);
         if ($target eq 'tex') {
    $message=' '.$message.' ';
         } else {
    $message="<td bgcolor=\"#aaffaa\">$message</td>";
    if ($previousmsg) {
     $previousmsg="<td bgcolor=\"#ffaaaa\">$previousmsg</td>";
    }
         }
       }
       my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
       my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
       &Apache::lonxml::debug("got maxtries of :$maxtries:");
       if ( $tries eq '' ) { $tries = '0'; }
       if ( $maxtries eq '' ) { $maxtries = '2'; } 
       if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; } 
       if ( $showbutton ) {
         if ($target eq 'tex') {
     if ($ENV{'request.state'} ne "construct") {
         $trystr = ' {\small \textit{Tries} '.$tries.'/'.$maxtries.'} \vskip 0 mm ';
     }
         } else {
            $trystr = "<td>Tries $tries/$maxtries</td>";
         }
       }
       if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
       if ( $showbutton ) { 
         if ($target ne 'tex') {
           $button = '<br /><input type="submit" name="submit" value="Submit Answer" />';
         }
       }
       if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
         #last submissions was after due date
         if ($target eq 'tex') {
     $latemessage=' The last submission was after the Due Date ';
         } else {
           $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
         }
       }
     }
     my $output= $previousmsg.$latemessage.$message.$trystr;
     if ($output =~ /^\s*$/) {
       return $button;
     } else {
       if ($target eq 'tex') {
         return $button.' \vskip 0 mm '.$output.' ';
       } else {
         return $button.'<table><tr>'.$output.'</tr></table>';
       }
     }
   }
 1;  1;
 __END__  __END__
     
Removed from v.1.1  
changed lines
  Added in v.1.78

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