--- loncom/homework/response.pm 2006/12/15 21:10:13 1.155
+++ loncom/homework/response.pm 2010/06/20 12:42:44 1.218
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# various response type definitons response definition
#
-# $Id: response.pm,v 1.155 2006/12/15 21:10:13 www Exp $
+# $Id: response.pm,v 1.218 2010/06/20 12:42:44 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -26,11 +26,35 @@
# http://www.lon-capa.org/
#
+=pod
+
+=head1 NAME
+
+Apache::response.pm
+
+=head1 SYNOPSIS
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+
+=head1 NOTABLE SUBROUTINES
+
+=over
+
+=item
+
+=back
+
+=cut
+
+
package Apache::response;
use strict;
use Apache::lonlocal;
use Apache::lonnet;
use Apache::lonmaxima();
+use Apache::lonr();
BEGIN {
&Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse','customresponse','mathresponse'));
@@ -216,35 +240,26 @@ sub meta_stores_write {
">\n";
}
+=pod
+
+=item mandatory_part_meta()
+
+Autogenerate metadata for mandatory
+input (from RAT or lonparmset) and
+output (to lonspreadsheet)
+of each part
+
+Note: responseid-specific data 'submission' and 'awarddetail'
+not available to spreadsheet -> skip here
+
+=cut
+
+
sub mandatory_part_meta {
-#
-# Autogenerate metadata for mandatory
-# input (from RAT or lonparmset) and
-# output (to lonspreadsheet)
-# of each part
-#
- return
-# &meta_parameter_write('opendate','date_start','',
-# 'Opening Date').
-# &meta_parameter_write('duedate','date_end','',
-# 'Due Date').
-# &meta_parameter_write('answerdate','date_start','',
-# 'Show Answer Date').
-# &meta_parameter_write('weight','int_zeropos','',
-# 'Available Points').
-# &meta_parameter_write('maxtries','int_pos','',
-# 'Maximum Number of Tries').
- &meta_package_write('part').
- &meta_stores_write('solved','string',
- 'Problem Status').
- &meta_stores_write('tries','int_zeropos',
- 'Number of Attempts').
- &meta_stores_write('awarded','float',
- 'Partial Credit Factor');
-#
-# Note: responseid-specific data 'submission' and 'awarddetail'
-# not available to spreadsheet -> skip here
-#
+ return &meta_package_write('part').
+ &meta_stores_write('solved','string','Problem Status').
+ &meta_stores_write('tries','int_zeropos','Number of Attempts').
+ &meta_stores_write('awarded','float','Partial Credit Factor');
}
sub meta_part_order {
@@ -265,11 +280,14 @@ sub meta_response_order {
}
sub check_for_previous {
- my ($curresponse,$partid,$id) = @_;
+ my ($curresponse,$partid,$id,$last) = @_;
my %previous;
$previous{'used'} = 0;
foreach my $key (sort(keys(%Apache::lonhomework::history))) {
- if ($key =~ /resource\.$partid\.$id\.submission$/) {
+ if ($key =~ /resource\.\Q$partid\E\.\Q$id\E\.submission$/) {
+ if ( $last && $key =~ /^(\d+):/ ) {
+ next if ($1 >= $last);
+ }
&Apache::lonxml::debug("Trying $key");
my $pastresponse=$Apache::lonhomework::history{$key};
if ($pastresponse eq $curresponse) {
@@ -285,6 +303,7 @@ sub check_for_previous {
$previous{'last'}='1';
}
if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; }
+ if ($previous{'award'} eq 'INTERNAL_ERROR') { $previous{'used'}=0; }
&Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
}
}
@@ -299,7 +318,10 @@ sub handle_previous {
if ($$previous{'last'}) {
push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
push(@Apache::inputtags::previous_version,$$previous{'version'});
- } elsif ($Apache::lonhomework::type ne 'survey') {
+ } elsif (($Apache::lonhomework::type ne 'survey') &&
+ ($Apache::lonhomework::type ne 'surveycred') &&
+ ($Apache::lonhomework::type ne 'anonsurvey') &&
+ ($Apache::lonhomework::type ne 'anonsurveycred')) {
push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
push(@Apache::inputtags::previous_version,$$previous{'version'});
}
@@ -368,7 +390,8 @@ sub start_customresponse {
my $id = &Apache::response::start_response($parstack,$safeeval);
push(@Apache::lonxml::namespace,'customresponse');
my $result;
- undef($Apache::response::custom_answer);
+ @Apache::response::custom_answer=();
+ @Apache::response::custom_answer_type=();
&Apache::lonxml::register('Apache::response',('answer'));
if ($target eq 'web') {
if ( &Apache::response::show_answer() ) {
@@ -387,7 +410,6 @@ sub start_customresponse {
$safeeval,'answerdisplay');
if ($constructtag) {
$result = &Apache::edit::rebuild_tag($token);
- $result.=&Apache::edit::handle_insert();
}
} elsif ($target eq 'answer' || $target eq 'grade') {
&Apache::response::reset_params();
@@ -408,7 +430,7 @@ sub end_customresponse {
&Apache::response::submitted('scantron')) {
&Apache::response::scored_response($part,$id);
} elsif ( $response =~ /[^\s]/ &&
- $Apache::response::custom_answer_type eq 'loncapa/perl') {
+ $Apache::response::custom_answer_type[-1] eq 'loncapa/perl') {
if (!$Apache::lonxml::default_homework_loaded) {
&Apache::lonxml::default_homework_load($safeeval);
}
@@ -420,7 +442,7 @@ sub end_customresponse {
${$safeeval->varglob('LONCAPA::customresponse_submission')}=
$response;
- my $award = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer.'}',$safeeval);
+ my ($award,$score) = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval);
if (!&Apache::inputtags::valid_award($award)) {
$error = $award;
$award = 'ERROR';
@@ -428,6 +450,9 @@ sub end_customresponse {
&Apache::response::handle_previous(\%previous,$award);
$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
$award;
+ if ($award eq 'ASSIGNED_SCORE') {
+ $Apache::lonhomework::results{"resource.$part.$id.awarded"}=1.0*$score;
+ }
if ($error) {
$Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=
$error;
@@ -443,23 +468,39 @@ sub end_customresponse {
$result .= &Apache::response::answer_part('customresponse',$answer);
$result .= &Apache::response::answer_footer('customresponse');
}
+ if ($target eq 'web') {
+ &setup_prior_tries_hash(\&format_prior_response_math);
+ }
if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
$target eq 'tex' || $target eq 'analyze') {
- &Apache::lonxml::increment_counter(&Apache::response::repetition());
+ &Apache::lonxml::increment_counter(&Apache::response::repetition(),
+ "$part.$id");
+ if ($target eq 'analyze') {
+ $Apache::lonhomework::analyze{"$part.$id.type"} = 'customresponse';
+ &Apache::lonhomework::set_bubble_lines();
+ }
}
pop(@Apache::lonxml::namespace);
+ pop(@Apache::response::custom_answer);
+ pop(@Apache::response::custom_answer_type);
&Apache::lonxml::deregister('Apache::response',('answer'));
&Apache::response::end_response();
return $result;
}
+sub format_prior_response_custom {
+ my ($mode,$answer) =@_;
+ return ''.
+ &HTML::Entities::encode($answer,'"<>&').'';
+}
sub start_mathresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $id = &Apache::response::start_response($parstack,$safeeval);
push(@Apache::lonxml::namespace,'mathresponse');
my $result;
- undef($Apache::response::custom_answer);
+ @Apache::response::custom_answer=();
+ @Apache::response::custom_answer_type=();
&Apache::lonxml::register('Apache::response',('answer'));
if ($target eq 'web') {
if ( &Apache::response::show_answer() ) {
@@ -467,24 +508,28 @@ sub start_mathresponse {
$safeeval);
$Apache::inputtags::answertxt{$id}=[$answer];
}
+
} elsif ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('String to display for answer:',
'answerdisplay',$token);
$result.=&Apache::edit::select_arg('Algebra System:',
'cas',
- ['maxima'],
+ ['maxima','R'],
$token);
$result.=&Apache::edit::text_arg('Argument Array:',
- 'args',$token);
+ 'args',$token).
+ &Apache::loncommon::help_open_topic('Maxima_Argument_Array');
+ $result.=&Apache::edit::text_arg('Libraries:',
+ 'libraries',$token).
+ &Apache::loncommon::help_open_topic('Maxima_Libraries');
$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {
my $constructtag;
$constructtag=&Apache::edit::get_new_args($token,$parstack,
- $safeeval,'answerdisplay','cas','args');
+ $safeeval,'answerdisplay','cas','args','libraries');
if ($constructtag) {
$result = &Apache::edit::rebuild_tag($token);
- $result.=&Apache::edit::handle_insert();
}
} elsif ($target eq 'answer' || $target eq 'grade') {
&Apache::response::reset_params();
@@ -494,6 +539,23 @@ sub start_mathresponse {
return $result;
}
+sub edit_mathresponse_button {
+ my ($id,$field)=@_;
+ my $button=&mt('Edit Answer');
+# my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor');
+ my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
+ return(<
+function edit_${id}_${field} (textarea) {
+ thenumber = textarea;
+ thedata = document.forms['lonhomework'].elements[textarea].value;
+ newwin = window.open("/adm/dragmath/applet/MaximaPopup.html","","width=565,height=400,resizable");
+}
+
+
+ENDFORMULABUTTON
+}
+
sub end_mathresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
@@ -514,8 +576,15 @@ sub end_mathresponse {
my $cas = &Apache::lonxml::get_param('cas',$parstack,$safeeval);
if ($cas eq 'maxima') {
my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
- $award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer,$response,$args);
+ $award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer[-1],$response,$args,
+ &Apache::lonxml::get_param('libraries',$parstack,$safeeval));
+ }
+ if ($cas eq 'R') {
+ my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
+ $award=&Apache::lonr::r_run($Apache::response::custom_answer[-1],$response,$args,
+ &Apache::lonxml::get_param('libraries',$parstack,$safeeval));
}
+
if (!&Apache::inputtags::valid_award($award)) {
$error = $award;
$award = 'ERROR';
@@ -529,25 +598,65 @@ sub end_mathresponse {
}
}
}
+ if ($target eq 'web') {
+ &setup_prior_tries_hash(\&format_prior_response_math);
+ my $partid = $Apache::inputtags::part;
+ my $id = $Apache::inputtags::response[-1];
+ if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')
+ && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) {
+ $result.=&edit_mathresponse_button($id,"HWVAL_$id");
+ }
+ }
+
pop(@Apache::lonxml::namespace);
+ pop(@Apache::response::custom_answer);
+ pop(@Apache::response::custom_answer_type);
&Apache::lonxml::deregister('Apache::response',('answer'));
&Apache::response::end_response();
return $result;
}
+sub format_prior_response_math {
+ my ($mode,$answer) =@_;
+ return ''.
+ &HTML::Entities::encode($answer,'"<>&').'';
+}
+
+sub implicit_multiplication {
+ my ($expression)=@_;
+# Escape scientific notation, so 3e8 does not become 3*e*8
+# 3e8 -> 3&8; 3e-8 -> 3&-8; 3E+8 -> e&+8
+ $expression=~s/(\d+)e([\+\-]*\d+)/$1\&\($2\)/gsi;
+# 3x10^8 -> 3&8; 3*10^-8 -> 3&-8
+ $expression=~s/(\d+)(?:x|\*)10(?:\^|\*\*)([\+\-]*\d+)/$1\&\($2\)/gsi;
+# Fill in multiplication signs
+# a b -> a*b;3 b -> 3*b;3 4 -> 3*4
+ $expression=~s/([A-Za-z0-9])\s+(?=[A-Za-z0-9])/$1\*/gs;
+# )( -> )*(; ) ( -> )*(
+ $expression=~s/\)\s*\(/\)\*\(/gs;
+# 3a -> 3*a; 3( -> 3*(; 3 ( -> 3*(; 3A -> 3*A
+ $expression=~s/(\d)\s*([a-zA-Z\(])/$1\*$2/gs;
+# a ( -> a*(
+ $expression=~s/([A-Za-z0-9])\s+\(/$1\*\(/gs;
+# )a -> )*a; )3 -> )*3; ) 3 -> )*3
+ $expression=~s/\)\s*([A-Za-z0-9])/\)\*$1/gs;
+# 3&8 -> 3e8; 3&-4 -> 3e-4
+ $expression=~s/(\d+)\&\(([\+\-]*\d+)\)/$1e$2/gs;
+ return $expression;
+}
sub start_answer {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
- $Apache::response::custom_answer=
- &Apache::lonxml::get_all_text_unbalanced("/answer",$parser);
- $Apache::response::custom_answer_type=
- lc(&Apache::lonxml::get_param('type',$parstack,$safeeval));
- $Apache::response::custom_answer_type =~ s/\s+//g;
+ push(@Apache::response::custom_answer,
+ &Apache::lonxml::get_all_text_unbalanced("/answer",$parser));
+ push(@Apache::response::custom_answer_type,
+ lc(&Apache::lonxml::get_param('type',$parstack,$safeeval)));
+ $Apache::response::custom_answer_type[-1] =~ s/\s+//g;
if ($target eq "edit" ) {
$result=&Apache::edit::tag_start($target,$token,'Answer algorithm');
$result.=&Apache::edit::editfield($token->[1],
- $Apache::response::custom_answer,
+ $Apache::response::custom_answer[-1],
'',80,4);
} elsif ( $target eq "modified" ) {
$result=$token->[4].&Apache::edit::modifiedfield('/answer',$parser);
@@ -599,7 +708,7 @@ sub start_responseparam {
}
}
if (defined($optionlist)) {
- $result.='Use template: ';
}
@@ -624,11 +733,11 @@ sub start_responseparam {
$Apache::lonnet::packagetab{"$tag&$name&display"};
$token->[2]->{'default'}=
$Apache::lonnet::packagetab{"$tag&$name&default"};
+ $token->[3] = ['name','type','description','default'];
$constructtag=1;
}
if ($constructtag) {
$result = &Apache::edit::rebuild_tag($token);
- $result.=&Apache::edit::handle_insert();
}
} elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' ||
$target eq 'tex' || $target eq 'analyze' ) {
@@ -666,7 +775,7 @@ sub setup_params {
if ($env{'request.state'} eq 'construct') { return; }
my %paramlist=();
foreach my $key (keys(%Apache::lonnet::packagetab)) {
- if ($key =~ /^$tag/) {
+ if ($key =~ /^\Q$tag\E/) {
my ($package,$name) = split(/&/,$key);
$paramlist{$name}=1;
}
@@ -749,9 +858,13 @@ sub answer_part {
last;
}
}
- if ($answer ne '') {
- $answer = '\verb'.$to_use.$answer.$to_use;
- }
+ my $fullanswer=$answer;
+ $answer='';
+ foreach my $element (split(/[\;]/,$fullanswer)) {
+ if ($element ne '') {
+ $answer.= '\verb'.$to_use.$element.$to_use.' \newline';
+ }
+ }
}
if ($answer ne '') {
push(@answer_bits,$answer);
@@ -770,12 +883,17 @@ sub answer_footer {
my ($type) = @_;
my $result;
if ($env{'form.answer_output_mode'} eq 'tex') {
- my $columns = scalar(@answer_bits);
- $result = ' \vskip 0 mm \noindent \begin{tabular}{|'.'c|'x$columns.'}\hline ';
- $result .= join(' & ',@answer_bits);
- $result .= ' \\\\ \\hline \end{tabular} \vskip 0 mm ';
+ $result = ' \vskip 0 mm \noindent \begin{tabular}{|p{1.5cm}|p{6.8cm}|}\hline ';
+ $result .= $answer_bits[0].'&\vspace*{-4mm}\begin{itemize}';
+ for (my $i=1;$i<=$#answer_bits;$i++) {
+ $result.='\item '.$answer_bits[$i].'\vspace*{-7mm}';
+ }
+ $result .= ' \end{itemize} \\\\ \hline \end{tabular} \vskip 0 mm ';
} else {
- $result = '';
+ if (!$need_row_start) {
+ $result .= '';
+ }
+ $result .= '';
}
return $result;
}
@@ -792,17 +910,51 @@ sub showallfoils {
}
}
if ($Apache::lonhomework::type eq 'survey') { return 1; }
+ if ($Apache::lonhomework::type eq 'surveycred') { return 1; }
+ if ($Apache::lonhomework::type eq 'anonsurvey') { return 1; }
+ if ($Apache::lonhomework::type eq 'anonsurveycred') { return 1; }
+
return 0;
}
+=pod
+
+=item &getresponse();
+
+Retreives the current submitted response, helps out in the case of
+scantron mode.
+
+Returns either the exact text of the submission, or a bubbled response
+converted to something usable.
+
+Optional Arguments:
+ $offset - (defaults to 1) if a problem has more than one bubble
+ response, pass in the number of the bubble wanted, (the
+ first bubble associated with a problem has an offset of 1,
+ the second bubble is 2
+
+ $resulttype - undef -> a number between 0 and 25
+ 'A is 1' -> a number between 1 and 26
+ 'letter' -> a letter between 'A' and 'Z'
+ $lines - undef problem only needs a single line of bubbles.
+ nonzero Problem wants the first nonempty response in
+ $lines lines of bubbles.
+ $bubbles_per_line - Must be provided if lines is defined.. number of
+ bubbles on a line.
+
+=cut
+
sub getresponse {
- my ($temp,$resulttype)=@_;
+ my ($offset,$resulttype, $lines, $bubbles_per_line)=@_;
my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
my $response;
- if (!defined($temp)) {
- $temp=1;
+ if (!defined($offset)) {
+ $offset=1;
} else {
- $formparm.=":$temp";
+ $formparm.=":$offset";
+ }
+ if (!defined($lines)) {
+ $lines = 1;
}
my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7,
'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14,
@@ -811,8 +963,21 @@ sub getresponse {
if ($env{'form.submitted'} eq 'scantron') {
my $part = $Apache::inputtags::part;
my $id = $Apache::inputtags::response[-1];
- $response = $env{'scantron.'.($Apache::lonxml::counter+$temp-1).
- '.answer'};
+
+ my $line;
+ my $startline = $env{'form.scantron_questnum_start.'.$part.'.'.$id};
+ if (!$startline) {
+ $startline = $Apache::lonxml::counter;
+ }
+ for ($line = 0; $line < $lines; $line++) {
+ my $theline = $startline+$offset-1+$line;
+ $response = $env{"scantron.$theline.answer"};
+ if ((defined($response)) && ($response ne "") && ($response ne " ")) {
+ last;
+ }
+
+ }
+
# save bubbled letter for later
$Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
$response;
@@ -822,13 +987,35 @@ sub getresponse {
} else {
$response = $let_to_num{$response};
}
+ if ($response ne "") {
+ $response += $line * $bubbles_per_line;
+ }
+ } else {
+ if ($response ne "") {
+ $response = chr(ord($response) + $line * $bubbles_per_line);
+ }
}
+
} else {
$response = $env{$formparm};
}
+ #
+ # If we have a nonempty answer, correct the numeric value
+ # of the answer for the line on which it was found.
+ #
+
return $response;
}
+=pod
+
+=item &repetition();
+
+Returns the number of lines that are required to encode the weight.
+(Currently expects that there are 10 bubbles per line)
+
+=cut
+
sub repetition {
my $id = $Apache::inputtags::part;
my $weight = &Apache::lonnet::EXT("resource.$id.weight");
@@ -838,6 +1025,30 @@ sub repetition {
return $repetition;
}
+=pod
+
+=item &scored_response();
+
+Sets the results hash elements
+
+ resource.$part_id.$response_id.awarded - to the floating point
+ number between 0 and 1 that was awarded on the bubbled input
+
+ resource.$part_id.$response_id.awarddetail - to 'ASSIGNED_SCORE'
+
+Returns
+
+ the number of bubble sheet lines that were used (and likely need to
+ be passed to &Apache::lonxml::increment_counter()
+
+Arguments
+
+ $part_id - id of the part to grade
+ $response_id - id of the response to grade
+
+
+=cut
+
sub scored_response {
my ($part,$id)=@_;
my $repetition=&repetition();
@@ -912,7 +1123,7 @@ sub show_answer {
my $award = $Apache::lonhomework::history{"resource.$part.solved"};
my $status = $Apache::inputtags::status[-1];
return ( ($award =~ /^correct/
- && lc($Apache::lonhomework::problemstatus) ne 'no')
+ && &Apache::lonhomework::show_problem_status())
|| $status eq "SHOW_ANSWER");
}
@@ -974,6 +1185,19 @@ sub pick_foil_for_concept {
}
+=pod
+
+=item get_response_param()
+
+Get a parameter associated with a problem.
+Parameters:
+ $id - the id of the paramater, either a part id,
+ or a partid and responspe id joined by _
+ $name - Name of the parameter to fetch
+ $default - Default value for the paramter.
+
+=cut
+
sub get_response_param {
my ($id,$name,$default)=@_;
my $parameter;
@@ -998,10 +1222,16 @@ sub submitted {
if ($who eq 'scantron') { return 0; }
# if the Submit Answer button for this particular part was pressed
my $partid=$Apache::inputtags::part;
- if (defined($env{'form.submit_'.$partid})) { return 1; }
+ if ($env{'form.submitted'} eq "part_$partid") {
+ return 1;
+ }
+ if ($env{'form.submitted'} eq "yes"
+ && defined($env{'form.submit_'.$partid})) {
+ return 1;
+ }
# Submit All button on a .page was pressed
if (defined($env{'form.all_submit'})) { return 1; }
- # otherwise no submission occured
+ # otherwise no submission occurred
return 0;
}
@@ -1028,14 +1258,21 @@ sub add_to_gradingqueue {
}
}
-# basically undef and 0 (both false) mean that they still have work to do
-# and all true values mean that they can't do any more work
-#
-# a return of undef means it is unattempted
-# a return of 0 means it is attmpted and wrong but still has tries
-# a return of 1 means it is marked correct
-# a return of 2 means they have exceed maximum number of tries
-# a return of 3 means it after the answer date
+=pod
+
+=item check_status()
+
+basically undef and 0 (both false) mean that they still have work to do
+and all true values mean that they can't do any more work
+
+ a return of undef means it is unattempted
+ a return of 0 means it is attmpted and wrong but still has tries
+ a return of 1 means it is marked correct
+ a return of 2 means they have exceed maximum number of tries
+ a return of 3 means it after the answer date
+
+=cut
+
sub check_status {
my ($id)=@_;
if (!defined($id)) { $id=$Apache::inputtags::part; }
@@ -1058,6 +1295,51 @@ sub check_status {
return 2;
}
+=pod
+
+=item setup_prior_tries_hash()
+
+ Foreach each past .submission $func is called with 3 arguments
+ - the mode to set things up for (currently always 'grade')
+ - the stored .submission string
+ - The expansion of $data
+
+ $data is an array ref containing elements that are either
+ - scalars that are other elements of the history hash to pass to $func
+ - ref to data to be passed untouched to $func
+
+=cut
+
+sub setup_prior_tries_hash {
+ my ($func,$data) = @_;
+ my $part = $Apache::inputtags::part;
+ my $id = $Apache::inputtags::response[-1];
+ foreach my $i (1..$Apache::lonhomework::history{'version'}) {
+ my $sub_key = "$i:resource.$part.$id.submission";
+ next if (!exists($Apache::lonhomework::history{$sub_key}));
+ my @other_data;
+ foreach my $datum (@{ $data }) {
+ if (ref($datum)) {
+ push(@other_data,$datum);
+ } else {
+ my $info_key = "$i:resource.$part.$id.$datum";
+ push(@other_data,$Apache::lonhomework::history{$info_key});
+ }
+ }
+
+ my $output =
+ &$func('grade',
+ $Apache::lonhomework::history{$sub_key},
+ \@other_data);
+ if (defined($output)) {
+ $Apache::inputtags::submission_display{$sub_key} = $output;
+ }
+ }
+}
+
1;
__END__
+=pod
+
+=cut