File:
[LON-CAPA] /
loncom /
homework /
inputtags.pm
Revision
1.121:
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select for diffs
Mon Oct 13 21:09:47 2003 UTC (20 years, 6 months ago) by
albertel
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CVS tags:
HEAD
- BUG#2273, IP access control doesn't work, now does supports
- explict IP 1.2.3.4
- wildcard IP 35.8.3.*, 35.8.*, 35.*
- ranged IP 35.8.3.[1-135]
- explict name mileva.lite.msu.edu
- wildcard name *.msu.edu
# The LearningOnline Network with CAPA
# input definitons
#
# $Id: inputtags.pm,v 1.121 2003/10/13 21:09:47 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/
#
# 2/19 Guy
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=();
}
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 $id;
}
sub end_input {
pop @Apache::inputtags::input;
return '';
}
sub start_textfield {
my ($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; }
$result= '<textarea wrap="hard" name="HWVAL_'.$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",$parser);
}
} else {
#right or wrong don't show it
#$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);
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,
$safeeval,'rows','cols');
if ($constructtag) {
$result = &Apache::edit::rebuild_tag($token);
} else {
$result=$token->[4];
}
my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser);
$result.=&Apache::edit::modifiedfield();
} elsif ($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') {
$result= '<input type="text" name="HWVAL_'.$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 $result;
}
sub end_textline {
my ($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 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 'TOO_LONG') {$result='TOO_LONG'; last;}}
}
if ($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 'MISORDERED_RANK') {$result=$award; last;} }
}
if ($result eq '' ) {
foreach $award (@_) { if ($award eq 'INVALID_FILETYPE') {$result=$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 'ASSIGNED_SCORE') {$result=$award; last;} }
}
if ($result eq '' ) {
foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
}
if ($result eq '' ) { $result='EXACT_ANS'; }
return $result
}
sub decideoutput {
my ($award,$solved,$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 {
$message = "<b>".&mt('You are correct.')."</b>";
}
unless ($ENV{'course.'.
$ENV{'request.course.id'}.
'.disable_receipt_display'} eq 'yes') {
$message.=(($target eq 'web')?'<br />':' ').
&mt('Your receipt is').' '.&Apache::lonnet::receipt().
(($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 {
$message = "<b>".&mt('You are correct.')."</b>";
unless ($ENV{'course.'.
$ENV{'request.course.id'}.
'.disable_receipt_display'} eq 'yes') {
$message.=(($target eq 'web')?'<br />':' ').
'Your receipt is '.&Apache::lonnet::receipt().
(($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 parts 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, submission was not graded.");# you provided %s significant figures";
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'UNIT_FAIL') {
$message = &mt("Units incorrect.");
if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} #Computer reads units as %s";
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'UNIT_NOTNEEDED') {
$message = &mt("Only a number required.");# Computer reads units of %s";
$bgcolor=$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 = "A draft copy has been saved.";
$bgcolor=$possiblecolors{'not_charged_try'};
$button=1;
} elsif ($award eq 'ASSIGNED_SCORE') {
$message = "A score has been assigned.";
$bgcolor=$possiblecolors{'correct'};
$button=0;
} 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");
$bgcolor=$possiblecolors{'correct'};
$button=1;
}
return ($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{$key});
}
}
}
sub setgradedata {
my ($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/ || $Apache::lonhomework::scantronmode ||
lc($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;
}
}
# 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 = ();
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);
}
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 $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"};
&Apache::lonxml::debug("Found Award |$award|$solved|");
if ( $award ne '' || $solved ne '') {
&Apache::lonxml::debug('Getting message');
($showbutton,$bgcolor,$message,$previousmsg) =
&decideoutput($award,$solved,$previous,$target);
if ($target eq 'tex') {
$message=' '.$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 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" && $Apache::lonhomework::type ne 'exam') {
$trystr = ' {\vskip 1 mm \small \textit{'.&mt('Tries').'} '.$tries.'/'.$maxtries.'} \vskip 2 mm ';
} else {
$trystr = '\vskip 0 mm ';
}
} else {
$trystr = "<td>".&mt('Tries')." $tries/$maxtries</td>";
}
}
if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
if ( $showbutton ) {
if ($target ne 'tex') {
$button = '<br /><input type="submit" name="submit" value="'.&mt('Submit Answer').'" />';
}
}
if ($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 $button.'<table><tr>'.$output.'</tr></table>';
}
}
}
1;
__END__
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