File:
[LON-CAPA] /
loncom /
homework /
inputtags.pm
Revision
1.144:
download - view:
text,
annotated -
select for diffs
Fri Jun 4 22:06:07 2004 UTC (19 years, 10 months ago) by
albertel
Branches:
MAIN
CVS tags:
HEAD
- fixing display of numerical/formula/string respons types to make BUG#873 go away
- now longer says 'The correct answers is ...' but rather just puts the correct answer up there, and whenever it would display the computer's answer is says 'Computer's answer now show'
# The LearningOnline Network with CAPA
# input definitons
#
# $Id: inputtags.pm,v 1.144 2004/06/04 22:06:07 albertel Exp $
#
# 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/
package Apache::inputtags;
use HTML::Entities();
use strict;
use Apache::loncommon;
use Apache::lonlocal;
BEGIN {
&Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline'));
}
sub initialize_inputtags {
# 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 all part ids seen
@Apache::inputtags::partlist=();
# 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=();
# list of all import ids seen
@Apache::inputtags::importlist=();
# just used to note whether we have seen a response that isn't in a part
$Apache::inputtags::response_with_no_part=0;
# storage location so the begin <*response> tag can generate the correct
# answer string for display by the <textline />
%Apache::inputtags::answertxt=();
}
sub check_for_duplicate_ids {
my %check;
foreach my $id (@Apache::inputtags::partlist,
@Apache::inputtags::responselist,
@Apache::inputtags::importlist) {
$check{$id}++;
}
my @duplicates;
foreach my $id (sort(keys(%check))) {
if ($check{$id} > 1) {
push(@duplicates,$id);
}
}
if (@duplicates) {
&Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
}
}
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 $id;
}
sub end_input {
pop @Apache::inputtags::input;
return '';
}
sub addchars {
my ($fieldid,$addchars)=@_;
my $output='';
foreach (split(/\,/,$addchars)) {
$output.='<a href="javascript:void(document.forms.lonhomework.'.
$fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
}
return $output;
}
sub start_textfield {
my ($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 = 16; }
my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
$result='';
if ($addchars) {
$result.=&addchars('HWVAL_'.$resid,$addchars);
}
push @Apache::lonxml::htmlareafields,'HWVAL_'.$resid;
$result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="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);
}
} 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);
}
} elsif ($target eq 'grade') {
my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser);
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);
$result.=&Apache::edit::text_arg
('Click-On Texts (comma sep):','addchars',$token,10);
my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser);
$result.=&Apache::edit::editfield($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,
$safeeval,'rows','cols',
'addchars');
if ($constructtag) {
$result = &Apache::edit::rebuild_tag($token);
} else {
$result=$token->[4];
}
$result.=&Apache::edit::modifiedfield("/textfield",$parser);
} elsif ($target eq 'tex') {
my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
$result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
$result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
} else {
my $TeXwidth=$width_of_box/80;
$result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
$result.='}}}\vskip 2 mm ';
}
}
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 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result = "";
if ($target eq 'web') {
$Apache::lonxml::evaluate--;
my $partid=$Apache::inputtags::part;
my $id=$Apache::inputtags::response[-1];
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 $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"');
if ($Apache::lonhomework::type ne 'exam') {
my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
$result='';
if ($addchars) {
$result.=&addchars('HWVAL_'.$id,$addchars);
}
$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>'.$Apache::inputtags::answertxt{$id}.'</i>';
#$result='';
}
} elsif ($target eq 'edit') {
$result=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('Size:','size',$token,'5').
&Apache::edit::text_arg
('Click-On Texts (comma sep):','addchars',$token,10)."</td></tr>";
$result.=&Apache::edit::end_table;
} elsif ($target eq 'modified') {
my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size','addchars');
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;
}
sub end_textline {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
if ($target eq 'web') { $Apache::lonxml::evaluate++; }
elsif ($target eq 'edit') { return ('','no'); }
return "";
}
sub start_hiddenline {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result = "";
if ($target eq 'web') {
$Apache::lonxml::evaluate--;
if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
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="hidden" name="HWVAL_'.$id.'" value="'.
$oldresponse.'" />';
}
}
} elsif ($target eq 'edit') {
$result=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::end_table;
}
return $result;
}
sub end_hiddenline {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
if ($target eq 'web') { $Apache::lonxml::evaluate++; }
elsif ($target eq 'edit') { return ('','no'); }
return "";
}
sub checkstatus {
my ($value,$awardref,$msgref)=@_;
for (my $i=0;$i<=$#$awardref;$i++) {
if ($$awardref[$i] eq $value) {
return ($$awardref[$i],$$msgref[$i]);
}
}
return(undef,undef);
}
sub finalizeawards {
my ($awardref,$msgref)=@_;
my $result=undef;
my $award;
my $msg;
if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
if ($result eq '' ) {
my $blankcount;
foreach $award (@$awardref) {
if ($award eq '') {
$result='MISSING_ANSWER';
$blankcount++;
}
}
if ($blankcount == ($#$awardref + 1)) { $result = 'NO_RESPONSE'; }
}
if (defined($result)) { return ($result,$msg); }
foreach my $possibleaward ('MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
'UNIT_FAIL', 'NO_UNIT',
'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT',
'MISORDERED_RANK', 'INVALID_FILETYPE',
'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
'APPROX_ANS', 'EXACT_ANS') {
($result,$msg)=&checkstatus($possibleaward,$awardref,$msgref);
if (defined($result)) { return ($result,$msg); }
}
return ('ERROR',undef);
}
sub decideoutput {
my ($award,$awardmsg,$solved,$previous,$target)=@_;
my $message='';
my $button=0;
my $previousmsg;
my $bgcolor='orange';
my %possiblecolors =
( 'correct' => '#aaffaa',
'charged_try' => '#ffaaaa',
'not_charged_try' => '#ffffaa',
'no_message' => '#fffff',
);
if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
if ($solved =~ /^correct/) {
if ($award eq 'ASSIGNED_SCORE') {
$message = &mt("A score has been assigned.");
} else {
if ($target eq 'tex') {
$message = '\textbf{'.&mt('You are correct.').'}';
} else {
$message = "<b>".&mt('You are correct.')."</b>";
}
$message.= " ".&mt(" Computer's answer now shown.");
unless ($ENV{'course.'.
$ENV{'request.course.id'}.
'.disable_receipt_display'} eq 'yes') {
$message.=(($target eq 'web')?'<br />':' ').
&mt('Your receipt is').' '.&Apache::lonnet::receipt($Apache::inputtags::part).
(($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
}
}
$bgcolor=$possiblecolors{'correct'};
$button=0;
$previousmsg='';
} elsif ($solved =~ /^excused/) {
if ($target eq 'tex') {
$message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
} else {
$message = "<b>".&mt('You are excused from the problem.')."</b>";
}
$bgcolor=$possiblecolors{'charged_try'};
$button=0;
$previousmsg='';
} elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
if ($solved =~ /^incorrect/ || $solved eq '') {
$message = &mt("Incorrect").".";
$bgcolor=$possiblecolors{'charged_try'};
$button=1;
} else {
if ($target eq 'tex') {
$message = '\textbf{'.&mt('You are correct.').'}';
} else {
$message = "<b>".&mt('You are correct.')."</b>";
}
$message.= " ".&mt(" Computer's answer now shown.");
unless ($ENV{'course.'.
$ENV{'request.course.id'}.
'.disable_receipt_display'} eq 'yes') {
$message.=(($target eq 'web')?'<br />':' ').
'Your receipt is '.&Apache::lonnet::receipt($Apache::inputtags::part).
(($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
}
$bgcolor=$possiblecolors{'correct'};
$button=0;
$previousmsg='';
}
} elsif ($award eq 'NO_RESPONSE') {
$message = '';
$bgcolor=$possiblecolors{'no_feedback'};
$button=1;
} elsif ($award eq 'MISSING_ANSWER') {
$message = &mt('Some items were not submitted.');
$bgcolor=$possiblecolors{'not_charged_try'};
$button = 1;
} elsif ($award eq 'ERROR') {
$message = &mt('An error occured while grading your answer.');
$bgcolor=$possiblecolors{'not_charged_try'};
$button = 1;
} elsif ($award eq 'TOO_LONG') {
$message = &mt("The submitted answer was too long.");
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'WANTED_NUMERIC') {
$message = &mt("This question expects a numeric answer.");
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'MISORDERED_RANK') {
$message = &mt('You have provided an invalid ranking');
if ($target ne 'tex') {
$message.=', '.&mt('please refer to').' '.&Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems').'.';
}
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'INVALID_FILETYPE') {
$message = &mt('The filetype extension of the file you uploaded is not allowed.');
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'SIG_FAIL') {
$message = &mt("Significant figures are incorrect, you provided [_1] significant figures while [_2] to [_3] were expected. Submission not graded.",(split(/:/,$awardmsg)));
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
$message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'UNIT_INVALID_STUDENT') {
$message = &mt('Unable to interpret units. Computer reads units as "[_1]"','<tt>'.$awardmsg.'</tt>.');
if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
$message = &mt('Incompatible units. No conversion found between "[_1]" and the required units ','<tt>'.$awardmsg.'</tt>.');
if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'UNIT_NOTNEEDED') {
$message = &mt('Only a number required. Computer reads units of "[_1]"','<tt>'.$awardmsg.'</tt>.');
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'NO_UNIT') {
$message = &mt("Units required").'.';
if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'BAD_FORMULA') {
$message = &mt("Unable to understand formula");
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'INCORRECT') {
$message = &mt("Incorrect").'.';
$bgcolor=$possiblecolors{'charged_try'};
$button=1;
} elsif ($award eq 'SUBMITTED') {
$message = &mt("Your submission has been recorded.");
$bgcolor=$possiblecolors{'correct'};
$button=1;
} elsif ($award eq 'DRAFT') {
$message = &mt("A draft copy has been saved.");
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'ASSIGNED_SCORE') {
$message = &mt("A score has been assigned.");
$bgcolor=$possiblecolors{'correct'};
$button=0;
} elsif ($award eq '') {
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} else {
$message = &mt("Unknown message").": $award";
$button=1;
}
if (lc($Apache::lonhomework::problemstatus) eq 'no' &&
$Apache::inputtags::status[-1] ne 'SHOW_ANSWER') {
$message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
$bgcolor=$possiblecolors{'correct'};
$button=1;
}
if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
$message.=" ".&mt("Computer's answer now shown.");
}
return ($button,$bgcolor,$message,$previousmsg);
}
sub removealldata {
my ($id)=@_;
foreach my $key (keys(%Apache::lonhomework::results)) {
if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
&Apache::lonxml::debug("Removing $key");
delete($Apache::lonhomework::results{$key});
}
}
}
sub hidealldata {
my ($id)=@_;
foreach my $key (keys(%Apache::lonhomework::results)) {
if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
&Apache::lonxml::debug("Hidding $key");
my $newkey=$key;
$newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
$Apache::lonhomework::results{$newkey}=
$Apache::lonhomework::results{$key};
delete($Apache::lonhomework::results{$key});
}
}
}
sub setgradedata {
my ($award,$msg,$id,$previously_used) = @_;
# if the student already has it correct, don't modify the status
if ($Apache::lonhomework::scantronmode && defined($ENV{'form.CODE'})) {
$Apache::lonhomework::results{"resource.CODE"}=$ENV{'form.CODE'};
}
if (!$Apache::lonhomework::scantronmode &&
$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/ || $Apache::lonhomework::scantronmode ||
lc($Apache::lonhomework::problemstatus) eq 'no') {
#handle assignment of tries and solved status
my $solvemsg;
if ($Apache::lonhomework::scantronmode) {
$solvemsg='correct_by_scantron';
} else {
$solvemsg='correct_by_student';
}
if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
$Apache::lonhomework::results{"resource.$id.afterduedate"}='';
}
if ( $award eq 'ASSIGNED_SCORE') {
$Apache::lonhomework::results{"resource.$id.tries"} =
$Apache::lonhomework::history{"resource.$id.tries"} + 1;
$Apache::lonhomework::results{"resource.$id.solved"} =
$solvemsg;
my $numawards=scalar(@Apache::inputtags::response);
$Apache::lonhomework::results{"resource.$id.awarded"} = 0;
foreach my $res (@Apache::inputtags::response) {
$Apache::lonhomework::results{"resource.$id.awarded"}+=
$Apache::lonhomework::results{"resource.$id.$res.awarded"};
}
if ($numawards > 0) {
$Apache::lonhomework::results{"resource.$id.awarded"}/=
$numawards;
}
} elsif ( $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"} =
$solvemsg;
$Apache::lonhomework::results{"resource.$id.awarded"} = '1';
} elsif ( $award eq 'INCORRECT' ) {
$Apache::lonhomework::results{"resource.$id.tries"} =
$Apache::lonhomework::history{"resource.$id.tries"} + 1;
if (lc($Apache::lonhomework::problemstatus) eq 'no') {
$Apache::lonhomework::results{"resource.$id.awarded"} = 0;
}
$Apache::lonhomework::results{"resource.$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 ( $award eq 'NO_RESPONSE' ) {
#no real response so delete any data that got stored
&removealldata($id);
return '';
} else {
$Apache::lonhomework::results{"resource.$id.solved"} =
'incorrect_attempted';
if (lc($Apache::lonhomework::problemstatus) eq 'no') {
$Apache::lonhomework::results{"resource.$id.tries"} =
$Apache::lonhomework::history{"resource.$id.tries"} + 1;
$Apache::lonhomework::results{"resource.$id.awarded"} = 0;
}
}
if (defined($msg)) {
$Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
}
# did either of the overall awards chage? If so ignore the
# previous check
if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
$Apache::lonhomework::history{"resource.$id.awarded"}) &&
($Apache::lonhomework::results{"resource.$id.solved"} eq
$Apache::lonhomework::history{"resource.$id.solved"})) {
# check if this was a previous submission if it was delete the
# unneeded data and update the previously_used attribute
if ( $previously_used eq 'PREVIOUSLY_USED') {
if (lc($Apache::lonhomework::problemstatus) ne 'no') {
delete($Apache::lonhomework::results{"resource.$id.tries"});
$Apache::lonhomework::results{"resource.$id.previous"} = '1';
}
} elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
#delete all data as they student didn't do anything, but save
#the list of collaborators.
&removealldata($id);
#and since they didn't do anything we were never here
return '';
} else {
$Apache::lonhomework::results{"resource.$id.previous"} = '0';
}
}
} elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
/^correct/ ) {
#delete all data as they student already has it correct
&removealldata($id);
#and since they didn't do anything we were never here
return '';
}
$Apache::lonhomework::results{"resource.$id.award"} = $award;
}
sub grade {
my ($target) = @_;
my $id = $Apache::inputtags::part;
my $response='';
if ( defined $ENV{'form.submitted'}) {
my (@awards,@msgs);
foreach $response (@Apache::inputtags::response) {
&Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
&Apache::lonxml::debug("keeping $value from $response for $id");
push (@awards,$value);
$value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
&Apache::lonxml::debug("got message $value from $response for $id");
push (@msgs,$value);
}
my ($finalaward,$msg) = &finalizeawards(\@awards,\@msgs);
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, message $msg");
&setgradedata($finalaward,$msg,$id,$previously_used);
}
return '';
}
sub gradestatus {
my ($id,$target) = @_;
my $showbutton = 1;
my $bgcolor = '';
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' &&
$status ne 'INVALID_ACCESS') {
my $award = $Apache::lonhomework::history{"resource.$id.award"};
my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
my $awardmsg = $Apache::lonhomework::history{"resource.$id.awardmsg"};
&Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
&Apache::lonxml::debug('Getting message');
($showbutton,$bgcolor,$message,$previousmsg) =
&decideoutput($award,$awardmsg,$solved,$previous,$target);
&Apache::lonnet::logthis(" mesage is $message status is $status");
if ($target eq 'tex') {
$message='\vskip 2 mm '.$message.' ';
} else {
$message="<td bgcolor=\"$bgcolor\">$message</td>";
if ($previousmsg) {
$previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>";
}
}
}
my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
&Apache::lonxml::debug("got maxtries of :$maxtries:");
#if tries are set to negative turn off the Tries/Button and messages
if (defined($maxtries) && $maxtries < 0) { return ''; }
if ( $tries eq '' ) { $tries = '0'; }
if ( $maxtries eq '' ) { $maxtries = '2'; }
if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
my $tries_text=&mt('Tries');
if ( $Apache::lonhomework::type eq 'survey') { $tries_text=&mt('Submissions'); }
if ( $showbutton ) {
if ($target eq 'tex') {
if ($ENV{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam') {
$trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.$tries.'/'.$maxtries.'} \vskip 2 mm ';
} else {
$trystr = '\vskip 0 mm ';
}
} else {
$trystr = "<td><nobr>".$tries_text." $tries";
if($ENV{'request.state'} ne 'construct') {
$trystr.="/$maxtries";
} else {
if (defined($Apache::inputtags::params{'maxtries'})) {
$trystr.="/".$Apache::inputtags::params{'maxtries'};
}
}
$trystr.="</nobr></td>";
}
}
if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
if ( $showbutton ) {
if ($target ne 'tex') {
$button = '<input type="submit" name="submit" value="'.&mt('Submit Answer').'" />';
}
}
if ($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 '<table><tr><td>'.$button.'</td>'.$output.'</tr></table>';
}
}
}
1;
__END__
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