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Diff for /loncom/homework/inputtags.pm between versions 1.6 and 1.42

version 1.6, 2000/10/11 21:01:25 version 1.42, 2001/08/06 18:00:34
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LON-CAPA input tags
 # input  definitons  #
   # Input definitions.
   #
   # YEAR=2000
   # 7/25,9/11,9/19,10/2,10/11,11/21,11/28,12/1,12/4,12/8,12/11 Guy Albertelli
   # 12/12 Guy Albertelli
   # 12/12 Gerd Kortemeyer
   # 12/12,12/15,12/21 Guy Albertelli
   # YEAR=2001
   # 1/4,1/5,1/6,1/10,1/15,1/24,2/19 Guy Albertelli
   # 8/6 Scott Harrison
   
 package Apache::inputtags;  package Apache::inputtags;
 use strict;  use strict;
   
   # ======================================================================= BEGIN
 sub BEGIN {  sub BEGIN {
   &Apache::lonxml::register('Apache::inputtags',('textarea','textline','answergroup','datasubmission'));      &Apache::lonxml::register('Apache::inputtags',
         ('textarea','textline','datasubmission'));
 }  }
   
   # ======================================================= Initialize input tags
 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 = ();
       # id of current part, 0 means 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 = ();
 }  }
   
   # ========================================== Start input (return scalar string)
   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;
   }
   
   # =================================================================== End input
   sub end_input {
       pop @Apache::inputtags::input;
       return '';
   }
   
   # ====================================== Start text area (return scalar string)
 sub start_textarea {  sub start_textarea {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   my $result = "";      my $result = "";
   $Apache::inputtags::curvalue++;      my $id = &start_input($parstack,$safeeval);
   if ($target eq 'web') {      if ($target eq 'web') {
     $result= '<textarea name="'.$ENV{'form.request.prefix'}.'HWVAL'.$Apache::inputtags::curvalue.'" value="">';   my $oldresponse = $Apache::lonhomework::history{'resource.'.
   }    $Apache::inputtags::part.'.'.
   return $result;    $Apache::inputtags::response['-1'].'.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; }
    $result= '<textarea name="HWVAL'.$Apache::inputtags::response['-1'].
       '" '."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("/textarea",$$parser[$#$parser]);
    }
       }
       return $result;
 }  }
   
   # ======================================== End text area (return scalar string)
 sub end_textarea {  sub end_textarea {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   return "</textarea>";      if ($target eq 'web') {
    return "</textarea>";
       } 
       &end_input;
       return '';
 }  }
   
   # ====================================== Start text line (return scalar string)
 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') {
   my $args ='';   my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
   if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }   if ($size eq '') { $size=20; }
   my $size = &Apache::run::run("{$args;".'return $size}',$safeeval);   my $oldresponse = $Apache::lonhomework::history{'resource.'.
   if ($size eq '') { $size=20; }    $Apache::inputtags::part.'.'.
   if ($target eq 'web') {    $Apache::inputtags::response['-1'].'.submission'};
     $result= '<input type="text" name="'.$ENV{'form.request.prefix'}.'HWVAL'.$Apache::inputtags::curvalue.'" value="" size="'.$size.'">';   $result = '<input type="text" name="HWVAL'.
   }            $Apache::inputtags::response['-1'].
   return $result;    '" value="'.$oldresponse.'" size="'.$size.'" />';
       }
       if ($target eq 'edit') {
    $result .= &Apache::edit::tag_start($target,$token,
    &Apache::lonxml::description($token));
    $result .= &Apache::edit::text_arg('Size:','size',$token,'5').
              '</td></tr>';
    $result .= &Apache::edit::end_table;
       }
       if ($target eq 'modified') {
    my $constructtag = &Apache::edit::get_new_args($token,$parstack,
          $safeeval,'size');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
       }
       return $result;
 }  }
   
   # =============================================================== End text line
 sub end_textline {  sub end_textline {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
   return "";      if ($target eq 'edit') { return ('','no'); }
       return "";
   }
   
   # ======================================================= Start data submission
   sub start_datasubmission {
       return '';
 }  }
   
 sub start_answergroup {  # ========================================================= End data submission
   sub end_datasubmission {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
       if ( $target == 'web' ) {
    return '<input type="submit" name="submit" value="Submit All Data" />';
       }
       return '';
 }  }
   
 sub end_answergroup {  # ============================================================= Finalize awards
   my ($target,$token,$parstack,$parser,$safeeval)=@_;  sub finalizeawards {
   if ( $target == 'web' ) {      my $result='';
     return '<input type="submit" name="'.$ENV{'form.request.prefix'}.'submit" value="Submit All Answers">';      my $award;
   }      if ($#_ == '-1') { $result = "NO_RESPONSE"; }
       if ($result eq '' ) {
    foreach $award (@_) { if ($award eq '') {$result='MISSING_ANSWER';
    last;}}
       }
       if ($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 '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;
 }  }
   
   # ====================================== Decide output (return 3 element array)
   sub decideoutput {
       my ($award,$solved,$previous)=@_;
       my $message='';
       my $button=0;
       my $previousmsg;
       
       if ($previous) { $previousmsg='You have entered that answer before'; }
       
       if      ($solved =~ /^correct/) {
    $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;
       } else {
    $message = "Unknown message: $award";
    $button=1;
       }
       return ($button,$message,$previousmsg);
   }
   
 sub start_datasubmission {  # ============================================================== Set grade data
   sub setgradedata {
       my ($award,$id,$previously_used) = @_;
       # if the student already has it correct, don't modify the status
       if ( $Apache::lonhomework::history{"resource.$id.solved"} !~ /^correct/ ) {
    #handle assignment of tries and solved status
    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 '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
       foreach my $key (keys(%Apache::lonhomework::results)) {
    if ($key =~ /^resource\.$id\./) {
       &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_datasubmission {  # ======================================================================= Grade
   my ($target,$token,$parstack,$parser,$safeeval)=@_;  sub grade {
   if ( $target == 'web' ) {      my ($target) = @_;
     return '<input type="submit" name="'.$ENV{'form.request.prefix'}.'submit" value="Submit All Data">';      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"};
       if ( $value ne '' ) {
    &Apache::lonxml::debug("keeping $value from $response for".
          " $id");
    push (@awards,$value);
       } else {
    &Apache::lonxml::debug("skipping $value from $response for".
          " $id");
       }
    }
    my $finalaward = &finalizeawards(@awards);
    my $previously_used;
    if ( $#Apache::inputtags::previous eq $#awards ) {
       $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 '';
   }
   
   # ========================================= Grade status (return scalar string)
   sub gradestatus {
       my ($id) = @_;
       my $showbutton = 1;
       my $message = '';
       my $trystr = '';
       my $button = '';
       my $previousmsg = '';
       
       my $status = $Apache::inputtags::status['-1'];
       &Apache::lonxml::debug("gradestatus has :$status:");
       if ( $status ne 'CLOSED' ) {  
    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);
       $message = "<td bgcolor=\"#aaffaa\">$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 ) {
       $trystr = "<td>Tries $tries/$maxtries</td>";
    }
    if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
       $showbutton = 0;}
    if ( $showbutton ) { 
       $button = '<br /><input type="submit" name="submit" value='.
         '"Submit All Answers" />';
    }
       }
       my $output= $previousmsg.$message.$trystr;
       if ($output =~ /^\s*$/) {
    return $button;
       } else {
    return $button.'<table><tr>'.$previousmsg.$message.$trystr.
          '</tr></table>';
       }
 }  }
   
 1;  1;
   
 __END__  __END__
    
Removed from v.1.6  
changed lines
  Added in v.1.42

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