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Diff for /loncom/homework/inputtags.pm between versions 1.42 and 1.62

version 1.42, 2001/08/06 18:00:34 version 1.62, 2002/09/23 17:25:24
Line 1 Line 1
 # The LON-CAPA input tags  # The LearningOnline Network with CAPA
   # input  definitons
 #  #
 # Input definitions.  # $Id$
 #  #
 # YEAR=2000  # Copyright Michigan State University Board of Trustees
 # 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  # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
 # 12/12 Gerd Kortemeyer  #
 # 12/12,12/15,12/21 Guy Albertelli  # LON-CAPA is free software; you can redistribute it and/or modify
 # YEAR=2001  # it under the terms of the GNU General Public License as published by
 # 1/4,1/5,1/6,1/10,1/15,1/24,2/19 Guy Albertelli  # the Free Software Foundation; either version 2 of the License, or
 # 8/6 Scott Harrison  # (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;
   
 # ======================================================================= BEGIN  BEGIN {
 sub BEGIN {    &Apache::lonxml::register('Apache::inputtags',('textfield','textline','datasubmission'));
     &Apache::lonxml::register('Apache::inputtags',  
       ('textarea','textline','datasubmission'));  
 }  }
   
 # ======================================================= Initialize input tags  
 sub initialize_inputtags {  sub initialize_inputtags {
     # list of current input ids    # list of current input ids
     @Apache::inputtags::input = ();    @Apache::inputtags::input=();
     # list of all input ids seen in this problem    # list of all input ids seen in this problem
     @Apache::inputtags::inputlist = ();    @Apache::inputtags::inputlist=();
     # list of all current response ids    # list of all current response ids
     @Apache::inputtags::response = ();    @Apache::inputtags::response=();
     # list of all response ids seen in this problem    # list of all response ids seen in this problem
     @Apache::inputtags::responselist = ();    @Apache::inputtags::responselist=();
     # list of whether or not a specific response was previously used    # list of whether or not a specific response was previously used
     @Apache::inputtags::previous = ();    @Apache::inputtags::previous=();
     # id of current part, 0 means no part is current (inside <problem> only    # id of current part, 0 means that no part is current (inside <problem> only
     $Apache::inputtags::part = '';    $Apache::inputtags::part='';
     # list of problem date statuses, the first element is for <problem>     # list of problem date statuses, the first element is for <problem>
     #if there is a second element it is for the current <part>    # if there is a second element it is for the current <part>
     @Apache::inputtags::status = ();    @Apache::inputtags::status=();
     #hash of defined params for the current response    # hash of defined params for the current response
     %Apache::inputtags::params = ();    %Apache::inputtags::params=();
     # list of all ids, for <import>, these get join()ed and prepended
     @Apache::inputtags::import=();
 }  }
   
 # ========================================== Start input (return scalar string)  
 sub start_input {  sub start_input {
     my ($parstack,$safeeval) = @_;    my ($parstack,$safeeval)=@_;
     my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);    my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
     if ($id eq '') { $id = $Apache::lonxml::curdepth; }    if ($id eq '') { $id = $Apache::lonxml::curdepth; }
     push (@Apache::inputtags::input,$id);    push (@Apache::inputtags::input,$id);
     push (@Apache::inputtags::inputlist,$id);    push (@Apache::inputtags::inputlist,$id);
     return $id;    return $id;
 }  }
   
 # =================================================================== End input  
 sub end_input {  sub end_input {
     pop @Apache::inputtags::input;    pop @Apache::inputtags::input;
     return '';    return '';
 }  }
   
 # ====================================== Start text area (return scalar string)  sub start_textfield {
 sub start_textarea {    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;    my $result = "";
     my $result = "";    my $id = &start_input($parstack,$safeeval);
     my $id = &start_input($parstack,$safeeval);    my $resid=$Apache::inputtags::response[-1];
     if ($target eq 'web') {    if ($target eq 'web') {
  my $oldresponse = $Apache::lonhomework::history{'resource.'.      $Apache::lonxml::evaluate--;
   $Apache::inputtags::part.'.'.      if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
   $Apache::inputtags::response['-1'].'.submission'};   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);   my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
  if ( $cols eq '') { $cols = 80; }   if ( $cols eq '') { $cols = 80; }
  my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);   my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
  if ( $rows eq '') { $rows = 10; }   if ( $rows eq '') { $rows = 10; }
  $result= '<textarea name="HWVAL'.$Apache::inputtags::response['-1'].   $result= '<textarea name="HWVAL'.$resid.'" '.
     '" '."rows=\"$rows\" cols=\"$cols\">".$oldresponse;      "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
  if ($oldresponse ne '') {   if ($oldresponse ne '') {
     #get rid of any startup text if the user has already responded      #get rid of any startup text if the user has already responded
     &Apache::lonxml::get_all_text("/textarea",$$parser[$#$parser]);      &Apache::lonxml::get_all_text("/textfield",$$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];
     }      }
     return $result;      $result.=&Apache::edit::modifiedfield();
     }
     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;
 }  }
   
 # ======================================== End text area (return scalar string)  
 sub end_textarea {  
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;  
     if ($target eq 'web') {  
  return "</textarea>";  
     }   
     &end_input;  
     return '';  
 }  
   
 # ====================================== Start text line (return scalar string)  
 sub start_textline {  sub start_textline {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result = "";    my $result = "";
     if ($target eq 'web') {    if ($target eq 'web') {
  my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);      $Apache::lonxml::evaluate--;
  if ($size eq '') { $size=20; }      if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
  my $oldresponse = $Apache::lonhomework::history{'resource.'.        my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
   $Apache::inputtags::part.'.'.        if ($size eq '') { $size=20; }
   $Apache::inputtags::response['-1'].'.submission'};        my $partid=$Apache::inputtags::part;
  $result = '<input type="text" name="HWVAL'.        my $id=$Apache::inputtags::response[-1];
           $Apache::inputtags::response['-1'].        my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
   '" value="'.$oldresponse.'" size="'.$size.'" />';        $result= '<input type="text" name="HWVAL'.$id.'" value="'.
     }   $oldresponse.'" size="'.$size.'" />';
     if ($target eq 'edit') {      } else {
  $result .= &Apache::edit::tag_start($target,$token,        #right or wrong don't show what was last typed in.
  &Apache::lonxml::description($token));        #$result='<i>'.$oldresponse.'</i>';
  $result .= &Apache::edit::text_arg('Size:','size',$token,'5').        $result='';
            '</td></tr>';      }
  $result .= &Apache::edit::end_table;    } elsif ($target eq 'edit') {
     }      $result=&Apache::edit::tag_start($target,$token);
     if ($target eq 'modified') {      $result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
  my $constructtag = &Apache::edit::get_new_args($token,$parstack,      $result.=&Apache::edit::end_table;
        $safeeval,'size');    } elsif ($target eq 'modified') {
  if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }      my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
     }      if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
     return $result;    }
     return $result;
 }  }
   
 # =============================================================== End text line  
 sub end_textline {  sub end_textline {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     if ($target eq 'edit') { return ('','no'); }    if    ($target eq 'web') { $Apache::lonxml::evaluate++; }
     return "";    elsif ($target eq 'edit') { return ('','no'); }
     return "";
 }  }
   
 # ======================================================= Start data submission  
 sub start_datasubmission {  sub start_datasubmission {
     return '';    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $id = &Apache::response::start_response($parstack,$safeeval);
     my $result;
     if ($target eq 'meta') {
       $result = &Apache::response::meta_stores_write($token->[2]->{'name'},
      $token->[2]->{'type'},
      $token->[2]->{'display'});
       $result .= &Apache::response::meta_package_write('datasubmission');
     }
     return $result;
 }  }
   
 # ========================================================= End data submission  
 sub end_datasubmission {  sub end_datasubmission {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     if ( $target == 'web' ) {    my $result;
  return '<input type="submit" name="submit" value="Submit All Data" />';    if ( $target eq 'web' ) {
     }    } elsif ($target eq 'grade' ) {
     return '';      if ( defined $ENV{'form.submitted'}) {
         &Apache::response::setup_params('datasubmission');
         my $partid = $Apache::inputtags::part;
         my $id = $Apache::inputtags::response['-1'];
         my $response = $ENV{'form.HWVAL'.$id};
         my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
         if ( $response =~ /[^\s]/) {
    $Apache::lonhomework::results{"resource.$partid.$id.$name"}=
     $response;
         }
       }
     }
     &Apache::response::end_response;
     return $result;
 }  }
   
 # ============================================================= Finalize awards  
 sub finalizeawards {  sub finalizeawards {
     my $result='';    my $result='';
     my $award;    my $award;
     if ($#_ == '-1') { $result = "NO_RESPONSE"; }    if ($#_ == '-1') { $result = "NO_RESPONSE"; }
     if ($result eq '' ) {    if ($result eq '' ) {
  foreach $award (@_) { if ($award eq '') {$result='MISSING_ANSWER';      my $blankcount;
  last;}}      foreach $award (@_) {
     }        if ($award eq '') {
     if ($result eq '' ) {   $result='MISSING_ANSWER';
  foreach $award (@_) { if ($award eq 'ERROR') {$result='ERROR'; last;}}   $blankcount++;
     }        }
     if ($result eq '' ) {      }
  foreach $award (@_) { if ($award eq 'NO_RESPONSE') {      if ($blankcount == ($#_ + 1)) { $result = 'NO_RESPONSE'; }
     $result='NO_RESPONSE'; last;} }    }
     }    if ($result eq '' ) {
     if ($result eq '' ) {      foreach $award (@_) { if ($award eq 'MISSING_ANSWER') {$result='MISSING_ANSWER'; last;}}
  foreach $award (@_) {     }
     if ($award eq 'UNIT_FAIL' ||    if ($result eq '' ) {
  $award eq 'NO_UNIT' ||      foreach $award (@_) { if ($award eq 'ERROR') {$result='ERROR'; last;}}
  $award eq 'UNIT_NOTNEEDED') {    }
  $result=$award; last;    if ($result eq '' ) {
     }      foreach $award (@_) { if ($award eq 'NO_RESPONSE') {$result='NO_RESPONSE'; last;} }
  }    }
     }  
     if ($result eq '' ) {    if ($result eq '' ) {
  foreach $award (@_) {       foreach $award (@_) { 
     if ($award eq 'WANTED_NUMERIC' ||         if ($award eq 'UNIT_FAIL' ||
  $award eq 'BAD_FORMULA') {$result=$award; last;}    $award eq 'NO_UNIT' ||
  }    $award eq 'UNIT_NOTNEEDED') {
     }   $result=$award; last;
     if ($result eq '' ) {        }
  foreach $award (@_) { if ($award eq 'SIG_FAIL') {      }
     $result=$award; last;} }    }
     }    if ($result eq '' ) {
     if ($result eq '' ) {      foreach $award (@_) { 
  foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award;        if ($award eq 'WANTED_NUMERIC' || 
   last;} }    $award eq 'BAD_FORMULA') {$result=$award; last;}
     }      }
     if ($result eq '' ) {    }
  foreach $award (@_) { if ($award eq 'SUBMITTED') {$result=$award;    if ($result eq '' ) {
   last;} }      foreach $award (@_) { if ($award eq 'SIG_FAIL') {$result=$award; last;} }
     }    }
     if ($result eq '' ) {    if ($result eq '' ) {
  foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award;      foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
    last;} }    }
     }    if ($result eq '' ) {
     if ($result eq '' ) { $result='EXACT_ANS'; }      foreach $award (@_) { if ($award eq 'DRAFT') {$result=$award; last;} }
     return $result;    }
     if ($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 {  sub decideoutput {
     my ($award,$solved,$previous)=@_;    my ($award,$solved,$previous)=@_;
     my $message='';    my $message='';
     my $button=0;    my $button=0;
     my $previousmsg;    my $previousmsg;
       
     if ($previous) { $previousmsg='You have entered that answer before'; }    if ($previous) { $previousmsg='You have entered that answer before'; }
       
     if      ($solved =~ /^correct/) {    if      ($solved =~ /^correct/) {
  $message = "<b>You are correct.</b> Your receipt is ".      $message = "<b>You are correct.</b> Your receipt is ".
     &Apache::lonnet::receipt;        &Apache::lonnet::receipt;
  $button=0;      $button=0;
  $previousmsg='';      $previousmsg='';
     } elsif ($solved =~ /^excused/) {    } elsif ($solved =~ /^excused/) {
  $message = "<b>You are excused from the problem.</b>";      $message = "<b>You are excused from the problem.</b>";
  $button=0;      $button=0;
  $previousmsg='';      $previousmsg='';
     } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {    } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
  if ($solved =~ /^incorrect/ || $solved eq '') {      if ($solved =~ /^incorrect/ || $solved eq '') {
     $message = "Incorrect";        $message = "Incorrect";
     $button=1;        $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 {      } else {
  $message = "Unknown message: $award";        $message = "<b>You are correct.</b> Your receipt is ".
  $button=1;   &Apache::lonnet::receipt;
     }        $button=0;
     return ($button,$message,$previousmsg);        $previousmsg='';
       }
     } elsif ($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);
 }  }
   
 # ============================================================== Set grade data  
 sub setgradedata {  sub setgradedata {
     my ($award,$id,$previously_used) = @_;    my ($award,$id,$previously_used) = @_;
     # if the student already has it correct, don't modify the status    # if the student already has it correct, don't modify the status
     if ( $Apache::lonhomework::history{"resource.$id.solved"} !~ /^correct/ ) {    if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER') {
  #handle assignment of tries and solved status      $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
  if ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {      return '';
     $Apache::lonhomework::results{"resource.$id.tries"} =    } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
  $Apache::lonhomework::history{"resource.$id.tries"} + 1;         /^correct/ ) {
     $Apache::lonhomework::results{"resource.$id.solved"} =      #handle assignment of tries and solved status
  'correct_by_student';      if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
     $Apache::lonhomework::results{"resource.$id.awarded"} = '1';        $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
  } elsif ( $award eq 'INCORRECT' ) {      }
     $Apache::lonhomework::results{"resource.$id.tries"} =      if ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
  $Apache::lonhomework::history{"resource.$id.tries"} + 1;        $Apache::lonhomework::results{"resource.$id.tries"} =
     $Apache::lonhomework::results{"resource.$id.solved"} =   $Apache::lonhomework::history{"resource.$id.tries"} + 1;
  'incorrect_attempted';        $Apache::lonhomework::results{"resource.$id.solved"} =
  } elsif ( $award eq 'SUBMITTED' ) {   'correct_by_student';
     $Apache::lonhomework::results{"resource.$id.tries"} =        $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
  $Apache::lonhomework::history{"resource.$id.tries"} + 1;      } elsif ( $award eq 'INCORRECT' ) {
     $Apache::lonhomework::results{"resource.$id.solved"} =        $Apache::lonhomework::results{"resource.$id.tries"} =
  'ungraded_attempted';   $Apache::lonhomework::history{"resource.$id.tries"} + 1;
  } elsif ( $award eq 'NO_RESPONSE' ) {        $Apache::lonhomework::results{"resource.$id.solved"} =
     return '';   'incorrect_attempted'
  } else {      } elsif ( $award eq 'SUBMITTED' ) {
     $Apache::lonhomework::results{"resource.$id.solved"} =        $Apache::lonhomework::results{"resource.$id.tries"} =
  'incorrect_attempted';   $Apache::lonhomework::history{"resource.$id.tries"} + 1;
  }        $Apache::lonhomework::results{"resource.$id.solved"} =
    'ungraded_attempted';
  # check if this was a previous submission if it was delete the      } elsif ( $award eq 'DRAFT' ) {
  # unneeded data and update the previously_used attribute        $Apache::lonhomework::results{"resource.$id.solved"} = '';
  if ( $previously_used eq 'PREVIOUSLY_USED') {      } elsif ( $award eq 'NO_RESPONSE' ) {
     delete($Apache::lonhomework::results{"resource.$id.tries"});        return '';
     $Apache::lonhomework::results{"resource.$id.previous"} = '1';      } else {
  } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {        $Apache::lonhomework::results{"resource.$id.solved"} =
     #delete all data as they student didn't do anything   'incorrect_attempted';
     foreach my $key (keys(%Apache::lonhomework::results)) {      }
  if ($key =~ /^resource\.$id\./) {  
     &Apache::lonxml::debug("Removing $key");      # check if this was a previous submission if it was delete the
     delete($Apache::lonhomework::results{$key});      # unneeded data and update the previously_used attribute
  }      if ( $previously_used eq 'PREVIOUSLY_USED') {
     }        delete($Apache::lonhomework::results{"resource.$id.tries"});
     #and since they didn't do anything we were never here        $Apache::lonhomework::results{"resource.$id.previous"} = '1';
     return '';      } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
  } else {        #delete all data as they student didn't do anything, but save
     $Apache::lonhomework::results{"resource.$id.previous"} = '0';        #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;    }
     $Apache::lonhomework::results{"resource.$id.award"} = $award;
 }  }
   
 # ======================================================================= Grade  
 sub grade {  sub grade {
     my ($target) = @_;    my ($target) = @_;
     my $id = $Apache::inputtags::part;    my $id = $Apache::inputtags::part;
     my $response = '';    my $response='';
     if ( defined $ENV{'form.submitted'}) {    if ( defined $ENV{'form.submitted'}) {
  my @awards = ();      my @awards = ();
  foreach $response (@Apache::inputtags::responselist) {      foreach $response (@Apache::inputtags::responselist) {
     &Apache::lonxml::debug("looking for response.$id.$response.".        &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
    "awarddetail");        my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
     my $value=$Apache::lonhomework::results{"resource.$id.$response.".        &Apache::lonxml::debug("keeping $value from $response for $id");
     "awarddetail"};        push (@awards,$value);
     if ( $value ne '' ) {      }
  &Apache::lonxml::debug("keeping $value from $response for".      my $finalaward = &finalizeawards(@awards);
        " $id");      my $previously_used;
  push (@awards,$value);      if ( $#Apache::inputtags::previous eq $#awards ) {
     } else {        $previously_used = 'PREVIOUSLY_LAST';
  &Apache::lonxml::debug("skipping $value from $response for".        foreach my $value (@Apache::inputtags::previous) {
        " $id");   if ($value eq 'PREVIOUSLY_USED' ) {
     }    $previously_used = $value;
  }    last;
  my $finalaward = &finalizeawards(@awards);   }
  my $previously_used;        }
  if ( $#Apache::inputtags::previous eq $#awards ) {      }
     $previously_used = 'PREVIOUSLY_LAST';      &Apache::lonxml::debug("final award $finalaward, $previously_used");
     foreach my $value (@Apache::inputtags::previous) {      &setgradedata($finalaward,$id,$previously_used);
  if ($value eq 'PREVIOUSLY_USED' ) {    }
     $previously_used = $value;    return '';
     last;  
  }  
     }  
  }  
  &Apache::lonxml::debug("final award $finalaward, $previously_used");  
  &setgradedata($finalaward,$id,$previously_used);  
     }  
     return '';  
 }  }
   
 # ========================================= Grade status (return scalar string)  
 sub gradestatus {  sub gradestatus {
     my ($id) = @_;    my ($id) = @_;
     my $showbutton = 1;    my $showbutton = 1;
     my $message = '';    my $message = '';
     my $trystr = '';    my $latemessage = '';
     my $button = '';    my $trystr='';
     my $previousmsg = '';    my $button='';
         my $previousmsg='';
     my $status = $Apache::inputtags::status['-1'];  
     &Apache::lonxml::debug("gradestatus has :$status:");    my $status = $Apache::inputtags::status['-1'];
     if ( $status ne 'CLOSED' ) {      &Apache::lonxml::debug("gradestatus has :$status:");
  my $award = $Apache::lonhomework::history{"resource.$id.award"};    if ( $status ne 'CLOSED' ) {  
  my $solved = $Apache::lonhomework::history{"resource.$id.solved"};      my $award = $Apache::lonhomework::history{"resource.$id.award"};
  my $previous = $Apache::lonhomework::history{"resource.$id.previous"};      my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
  &Apache::lonxml::debug("Found Award |$award|$solved|");      my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
  if ( $award ne '' ) {      &Apache::lonxml::debug("Found Award |$award|$solved|");
     &Apache::lonxml::debug('Getting message');      if ( $award ne '' ) {
     ($showbutton,$message,$previousmsg) =        &Apache::lonxml::debug('Getting message');
  &decideoutput($award,$solved,$previous);        ($showbutton,$message,$previousmsg) =
     $message = "<td bgcolor=\"#aaffaa\">$message</td>";   &decideoutput($award,$solved,$previous);
     if ($previousmsg) {        $message="<td bgcolor=\"#aaffaa\">$message</td>";
  $previousmsg = "<td bgcolor=\"#ffaaaa\">$previousmsg</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");      my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
  &Apache::lonxml::debug("got maxtries of :$maxtries:");      my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
  if ( $tries eq '' ) { $tries = '0'; }      &Apache::lonxml::debug("got maxtries of :$maxtries:");
  if ( $maxtries eq '' ) { $maxtries = '2'; }       if ( $tries eq '' ) { $tries = '0'; }
  if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }       if ( $maxtries eq '' ) { $maxtries = '2'; } 
  if ( $showbutton ) {      if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; } 
     $trystr = "<td>Tries $tries/$maxtries</td>";      if ( $showbutton ) {
  }        $trystr = "<td>Tries $tries/$maxtries</td>";
  if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {      }
     $showbutton = 0;}      if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
  if ( $showbutton ) {       if ( $showbutton ) { 
     $button = '<br /><input type="submit" name="submit" value='.        $button = '<br /><input type="submit" name="submit" value="Submit Answer" />';
       '"Submit All Answers" />';      }
  }      if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
     }        #last submissions was after due date
     my $output= $previousmsg.$message.$trystr;        $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
     if ($output =~ /^\s*$/) {      }
  return $button;    }
     } else {    my $output= $previousmsg.$latemessage.$message.$trystr;
  return $button.'<table><tr>'.$previousmsg.$message.$trystr.    if ($output =~ /^\s*$/) {
        '</tr></table>';      return $button;
     }    } else {
       return $button.'<table><tr>'.$output.'</tr></table>';
     }
 }  }
   
 1;  1;
   
 __END__  __END__
    
Removed from v.1.42  
changed lines
  Added in v.1.62

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