--- loncom/homework/radiobuttonresponse.pm 2007/02/22 01:25:31 1.111
+++ loncom/homework/radiobuttonresponse.pm 2007/06/20 21:43:59 1.117
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# mutliple choice style responses
#
-# $Id: radiobuttonresponse.pm,v 1.111 2007/02/22 01:25:31 albertel Exp $
+# $Id: radiobuttonresponse.pm,v 1.117 2007/06/20 21:43:59 foxr Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -31,6 +31,9 @@ use strict;
use HTML::Entities();
use Apache::lonlocal;
use Apache::lonnet;
+use Apache::response;
+
+my $bubbles_per_line = 10;
BEGIN {
&Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
@@ -39,6 +42,7 @@ BEGIN {
sub start_radiobuttonresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
+
#when in a radiobutton response use these
&Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
push (@Apache::lonxml::namespace,'radiobuttonresponse');
@@ -143,7 +147,44 @@ sub grade_response {
if ( !&Apache::response::submitted() ) { return; }
my $response;
if ($env{'form.submitted'} eq 'scantron') {
- $response=&Apache::response::getresponse();
+ # Need to know how many foils we have so that I know how many
+ # bubble lines to consume:
+
+ my $numfoils = scalar @whichfoils;
+ my $bubble_lines = int($numfoils / $bubbles_per_line);
+ if (($numfoils % $bubbles_per_line) != 0) {
+ $bubble_lines++; # Partial line of bubbles too.
+ }
+ # Get an array of the lines... note offsets seem to go from 1??...
+
+ my @responses;
+ for (my $i = 1; $i <= $bubble_lines; $i++) {
+ my $this_line = &Apache::response::getresponse($i);
+ push(@responses, $this_line);
+
+ }
+ # Update the lonxml::counter so that the next problem
+ # Gets the right set of answers:
+
+ &Apache::lonxml::increment_counter($bubble_lines-1);
+
+ # This code assumes that unbubbled lines will be
+ # give empties. while bubbled lines nonblank.
+
+ my $answer_line;
+ my $answer_value = ''; # By default no answer given...
+ my $num_bubbled_lines=0;
+ for (my $line_number = 0; $line_number < $bubble_lines; $line_number++) {
+ if ($responses[$line_number] ne "") {
+ $answer_line = $line_number;
+ $answer_value = $responses[$line_number];
+ last;
+ }
+ }
+
+ $response = $answer_line * $bubbles_per_line + $answer_value;
+
+
} else {
$response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
}
@@ -208,6 +249,11 @@ sub end_foilgroup {
}
$Apache::lonxml::post_evaluate=0;
}
+ if ($target eq 'web') {
+ &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
+ [\%Apache::response::foilgroup]);
+ }
+
&Apache::response::poprandomnumber();
&Apache::lonxml::increment_counter();
return $result;
@@ -231,6 +277,16 @@ sub getfoilcounts {
return ($truecnt,$falsecnt);
}
+sub format_prior_answer {
+ my ($mode,$answer,$other_data) = @_;
+ my $foil_data = $other_data->[0];
+ my %response = &Apache::lonnet::str2hash($answer);
+ my ($name) = keys(%response);
+ return ''.
+ $foil_data->{$name.'.text'}.'';
+
+}
+
sub displayallfoils {
my ($direction, $target)=@_;
my $result;
@@ -290,7 +346,11 @@ sub displayallfoils {
$i++;
} else {
$result .= '