--- loncom/homework/optionresponse.pm 2004/02/19 21:55:54 1.102
+++ loncom/homework/optionresponse.pm 2004/04/16 22:25:13 1.106
@@ -1,7 +1,7 @@
# LearningOnline Network with CAPA
# option list style responses
#
-# $Id: optionresponse.pm,v 1.102 2004/02/19 21:55:54 sakharuk Exp $
+# $Id: optionresponse.pm,v 1.106 2004/04/16 22:25:13 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -27,7 +27,8 @@
#
package Apache::optionresponse;
use strict;
-use Apache::response;
+use Apache::response();
+use Apache::lonlocal;
BEGIN {
&Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
@@ -41,6 +42,7 @@ sub start_optionresponse {
push (@Apache::lonxml::namespace,'optionresponse');
my $id = &Apache::response::start_response($parstack,$safeeval);
%Apache::hint::option=();
+ undef(%Apache::response::foilnames);
if ($target eq 'edit') {
$result.=&Apache::edit::start_table($token).
"
Multiple Option Response Question ".
@@ -75,6 +77,7 @@ sub end_optionresponse {
&Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
my $result;
if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
+ undef(%Apache::response::foilnames);
return $result;
}
@@ -281,6 +284,27 @@ sub displayanswers {
return $result;
}
+sub check_for_invalid {
+ my ($names,$options) = @_;
+ my %bad_names;
+ foreach my $name (@{ $names }) {
+ my $value=$Apache::response::foilgroup{$name.'.value'};
+ my $found=0;
+ foreach my $option (@{ $options }) {
+ if ($value eq $option) { $found=1; }
+ }
+ if (!$found) { $bad_names{$name}=$value; }
+ }
+ if (%bad_names) {
+ my $error=&mt('The question can not be gotten correct, '.
+ 'the following foils in the <optionresponse> '.
+ 'have invalid correct options').' '.
+ join(' ',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
+ "";
+ &Apache::lonxml::error($error);
+ }
+}
+
sub displayfoils {
my ($target,$max,$randomize,@opt)=@_;
if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
@@ -292,6 +316,7 @@ sub displayfoils {
my $displayoptionintex=1;
my @alphabet = ('A'..'Z');
my @whichopt = &whichfoils($max,$randomize);
+ &check_for_invalid(\@whichopt,\@opt);
my $part=$Apache::inputtags::part;
my $id=$Apache::inputtags::response[-1];
my $break;
@@ -527,7 +552,10 @@ sub start_foil {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';
if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
- &Apache::lonxml::startredirection;
+ &Apache::lonxml::startredirection;
+ if ($target eq 'analyze') {
+ &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
+ }
} elsif ($target eq 'edit') {
$result=&Apache::edit::tag_start($target,$token,"Foil");
my $level='-2';
@@ -565,10 +593,14 @@ sub end_foil {
my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
if ($value ne 'unused') {
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
- my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
&Apache::lonxml::debug("Got a name of :$name:");
if (!$name) { $name=$Apache::lonxml::curdepth; }
&Apache::lonxml::debug("Using a name of :$name:");
+ if (defined($Apache::response::foilnames{$name})) {
+ &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",$name));
+ }
+ $Apache::response::foilnames{$name}++;
+ my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
if ( $Apache::optionresponse::conceptgroup
&& !&Apache::response::showallfoils() ) {
push @{ $Apache::response::conceptgroup{'names'} }, $name;
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