version 1.11, 2001/08/06 17:39:37
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version 1.13, 2001/08/13 21:44:24
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# The LON-CAPA image response handler |
# The LearningOnline Network with CAPA |
# |
# iimage click response style |
# Image click response style |
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# |
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# YEAR=2001 |
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# 2/7,2/9,2/22,3/1,5/4,5/15,5/31,6/2,6/26 Guy Albertelli |
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# 8/6 Scott Harrison |
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#FIXME assumes multiple possible submissions but only one is possible currently |
#FIXME assumes multiple possbile submissions but only one is possible currently |
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package Apache::imageresponse; |
package Apache::imageresponse; |
use strict; |
use strict; |
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# ======================================================================= BEGIN |
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sub BEGIN { |
sub BEGIN { |
&Apache::lonxml::register('Apache::imageresponse',('imageresponse')); |
&Apache::lonxml::register('Apache::imageresponse',('imageresponse')); |
} |
} |
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# ======================================================== Start image response |
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sub start_imageresponse { |
sub start_imageresponse { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
#when in a radiobutton response use these |
my $result; |
&Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil', |
#when in a radiobutton response use these |
'text','image', |
&Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup')); |
'rectangle', |
push (@Apache::lonxml::namespace,'imageresponse'); |
'conceptgroup')); |
my $id = &Apache::response::start_response($parstack,$safeeval); |
push (@Apache::lonxml::namespace,'imageresponse'); |
if ($target eq 'meta') { |
my $id = &Apache::response::start_response($parstack,$safeeval); |
$result=&Apache::response::meta_package_write('imageresponse'); |
return ''; |
} |
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return $result; |
} |
} |
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# ========================================================== End image response |
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sub end_imageresponse { |
sub end_imageresponse { |
&Apache::response::end_response; |
&Apache::response::end_response; |
pop @Apache::lonxml::namespace; |
pop @Apache::lonxml::namespace; |
return ''; |
return ''; |
} |
} |
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%Apache::response::foilgroup = {}; |
%Apache::response::foilgroup={}; |
# ============================================================ Start foil group |
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sub start_foilgroup { |
sub start_foilgroup { |
%Apache::response::foilgroup = {}; |
%Apache::response::foilgroup={}; |
$Apache::imageresponse::conceptgroup = 0; |
$Apache::imageresponse::conceptgroup=0; |
&Apache::response::setrandomnumber(); |
&Apache::response::setrandomnumber(); |
return ''; |
return ''; |
} |
} |
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# =================================== Get foil counts (returns 2 element array) |
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sub getfoilcounts { |
sub getfoilcounts { |
my ($parstack,$safeeval) = @_; |
my ($parstack,$safeeval)=@_; |
my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2'); |
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# +1 since instructors will count from 1 |
my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2'); |
my $count = $#{ $Apache::response::foilgroup{'names'} }+1; |
# +1 since instructors will count from 1 |
return ($count,$max); |
my $count = $#{ $Apache::response::foilgroup{'names'} }+1; |
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return ($count,$max); |
} |
} |
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# ============================================== Which foils (returns an array) |
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sub whichfoils { |
sub whichfoils { |
my ($max) = @_; |
my ($max)=@_; |
if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; } |
if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; } |
my @names = @{ $Apache::response::foilgroup{'names'} }; |
my @names = @{ $Apache::response::foilgroup{'names'} }; |
my @whichopt =(); |
my @whichopt =(); |
while ((($#whichopt+1) < $max) && ($#names > -1)) { |
while ((($#whichopt+1) < $max) && ($#names > -1)) { |
&Apache::lonxml::debug("Have $#whichopt max is $max"); |
&Apache::lonxml::debug("Have $#whichopt max is $max"); |
my $aopt = int(rand($#names+1)); |
my $aopt=int(rand($#names+1)); |
&Apache::lonxml::debug("From $#names elms, picking $aopt"); |
&Apache::lonxml::debug("From $#names elms, picking $aopt"); |
$aopt = splice(@names,$aopt,1); |
$aopt=splice(@names,$aopt,1); |
&Apache::lonxml::debug("Picked $aopt"); |
&Apache::lonxml::debug("Picked $aopt"); |
push (@whichopt,$aopt); |
push (@whichopt,$aopt); |
} |
} |
return @whichopt; |
return @whichopt; |
} |
} |
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# ======================================= Display foils (returns scalar string) |
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sub displayfoils { |
sub displayfoils { |
my (@whichopt) = @_; |
my (@whichopt) = @_; |
my $result =''; |
my $result =''; |
my $name; |
my $name; |
my $temp = 1; |
my $temp=1; |
foreach $name (@whichopt) { |
foreach $name (@whichopt) { |
$result .= $Apache::response::foilgroup{"$name.text"}."<br />\n"; |
$result.=$Apache::response::foilgroup{"$name.text"}."<br />\n"; |
my $image = $Apache::response::foilgroup{"$name.image"}; |
my $image=$Apache::response::foilgroup{"$name.image"}; |
if ($Apache::lonhomework::history{'resource.'. |
if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) { |
$Apache::inputtags::part. |
$result.="<img src=\"$image\"/> <br />\n"; |
'.solved'} =~ /^correct/) { |
} else { |
$result .= "<img src=\"$image\"/> <br />\n"; |
$result.="<input type=\"image\" name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\" src=\"$image\"/> <br />\n"; |
} else { |
} |
$result .= "<input type=\"image\" name=\"HWVAL_". |
$temp++; |
$Apache::inputtags::response['-1']. |
} |
":$temp\" src=\"$image\"/> <br />\n"; |
return $result; |
} |
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$temp++; |
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} |
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return $result; |
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} |
} |
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# ================================================================= Grade foils |
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sub gradefoils { |
sub gradefoils { |
my (@whichopt) = @_; |
my (@whichopt) = @_; |
my $result = ''; |
my $result=''; |
my $x; |
my $x; |
my $y; |
my $y; |
my $result; |
my $result; |
my $id = $Apache::inputtags::response['-1']; |
my $id=$Apache::inputtags::response['-1']; |
my $temp = 1; |
my $temp=1; |
foreach my $name (@whichopt) { |
foreach my $name (@whichopt) { |
$x = $ENV{"form.HWVAL_$id:$temp.x"}; |
$x=$ENV{"form.HWVAL_$id:$temp.x"}; |
$y = $ENV{"form.HWVAL_$id:$temp.y"}; |
$y=$ENV{"form.HWVAL_$id:$temp.y"}; |
&Apache::lonxml::debug("Got a x of $x and a y of $y for $name"); |
&Apache::lonxml::debug("Got a x of $x and a y of $y for $name"); |
if (defined(@{ $Apache::response::foilgroup{"$name.area"} })) { |
if (defined(@{ $Apache::response::foilgroup{"$name.area"} })) { |
my @areas = @{ $Apache::response::foilgroup{"$name.area"} }; |
my @areas = @{ $Apache::response::foilgroup{"$name.area"} }; |
my $grade = "INCORRECT"; |
my $grade="INCORRECT"; |
foreach my $area (@areas) { |
foreach my $area (@areas) { |
&Apache::lonxml::debug("Area is $area for $name"); |
&Apache::lonxml::debug("Area is $area for $name"); |
$area =~ m/([a-z]*):/; |
$area =~ m/([a-z]*):/; |
&Apache::lonxml::debug("Area of type $1"); |
&Apache::lonxml::debug("Area of type $1"); |
if ($1 eq 'rectangle') { |
if ($1 eq 'rectangle') { |
$grade = &grade_rectangle($area,$x,$y); |
$grade=&grade_rectangle($area,$x,$y); |
} else { |
} else { |
&Apache::lonxml::error("Unknown area style $area"); |
&Apache::lonxml::error("Unknown area style $area"); |
} |
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&Apache::lonxml::debug("Area said $grade"); |
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if ($grade eq 'APPROX_ANS') { last; } |
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} |
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&Apache::lonxml::debug("Foil was $grade"); |
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if ($grade eq 'INCORRECT') { $result = 'INCORRECT'; } |
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if (($grade eq 'APPROX_ANS') && ($result ne 'APPROX_ANS')) { |
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$result = $grade; } |
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&Apache::lonxml::debug("Question is $result"); |
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$temp++; |
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} |
} |
} |
&Apache::lonxml::debug("Area said $grade"); |
$Apache::lonhomework::results{'resource.'. |
if ($grade eq 'APPROX_ANS') { last; } |
$Apache::inputtags::part. |
} |
".$id.submission"} = "$x:$y"; |
&Apache::lonxml::debug("Foil was $grade"); |
$Apache::lonhomework::results{'resource.'. |
if ($grade eq 'INCORRECT') { $result= 'INCORRECT'; } |
$Apache::inputtags::part. |
if (($grade eq 'APPROX_ANS') && ($result ne 'APPROX_ANS')) { $result=$grade; } |
".$id.awarddetail"} = $result; |
&Apache::lonxml::debug("Question is $result"); |
return ''; |
$temp++; |
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} |
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} |
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$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}="$x:$y"; |
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$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$result; |
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return ''; |
} |
} |
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# ======================================= End foil group (return scalar string) |
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sub end_foilgroup { |
sub end_foilgroup { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result = ''; |
my $result=''; |
my @whichopt; |
my @whichopt; |
if ($target eq 'web' || $target eq 'grade') { |
if ($target eq 'web' || $target eq 'grade') { |
my ($count,$max) = &getfoilcounts($parstack,$safeeval); |
my ($count,$max) = &getfoilcounts($parstack,$safeeval); |
if ($count > $max) { $count = $max } |
if ($count>$max) { $count=$max } |
&Apache::lonxml::debug("Count is $count from $max"); |
&Apache::lonxml::debug("Count is $count from $max"); |
@whichopt = &whichfoils($max); |
@whichopt = &whichfoils($max); |
} |
} |
if ($target eq 'web') { |
if ($target eq 'web') { |
$result = &displayfoils(@whichopt); |
$result=&displayfoils(@whichopt); |
} |
} |
if ($target eq 'grade') { |
if ($target eq 'grade') { |
if ( defined $ENV{'form.submitted'}) { |
if ( defined $ENV{'form.submitted'}) { |
&gradefoils(@whichopt); |
&gradefoils(@whichopt); |
} |
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} |
} |
return $result; |
} |
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return $result; |
} |
} |
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# ========================================================= Start concept group |
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sub start_conceptgroup { |
sub start_conceptgroup { |
$Apache::imageresponse::conceptgroup = 1; |
$Apache::imageresponse::conceptgroup=1; |
%Apache::response::conceptgroup = {}; |
%Apache::response::conceptgroup={}; |
return ''; |
return ''; |
} |
} |
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# =========================================================== End concept group |
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sub end_conceptgroup { |
sub end_conceptgroup { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
$Apache::imageresponse::conceptgroup = 0; |
$Apache::imageresponse::conceptgroup=0; |
if ($target eq 'web' || $target eq 'grade') { |
if ($target eq 'web' || $target eq 'grade') { |
if (defined(@{ $Apache::response::conceptgroup{'names'} })) { |
if (defined(@{ $Apache::response::conceptgroup{'names'} })) { |
my @names = @{ $Apache::response::conceptgroup{'names'} }; |
my @names = @{ $Apache::response::conceptgroup{'names'} }; |
my $pick = int(rand($#names+1)); |
my $pick=int(rand($#names+1)); |
my $name = $names[$pick]; |
my $name=$names[$pick]; |
if (defined(@{ $Apache::response::conceptgroup{"$name.area"} })) { |
if (defined(@{ $Apache::response::conceptgroup{"$name.area"} })) { |
push @{ $Apache::response::foilgroup{'names'} }, $name; |
push @{ $Apache::response::foilgroup{'names'} }, $name; |
$Apache::response::foilgroup{"$name.text"} = |
$Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"}; |
$Apache::response::conceptgroup{"$name.text"}; |
$Apache::response::foilgroup{"$name.image"} = $Apache::response::conceptgroup{"$name.image"}; |
$Apache::response::foilgroup{"$name.image"} = |
push(@{ $Apache::response::foilgroup{"$name.area"} }, @{ $Apache::response::conceptgroup{"$name.area"} }); |
$Apache::response::conceptgroup{"$name.image"}; |
my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval); |
push(@{ $Apache::response::foilgroup{"$name.area"} }, |
$Apache::response::foilgroup{"$name.concept"} = $concept; |
@{ $Apache::response::conceptgroup{"$name.area"} }); |
&Apache::lonxml::debug("Selecting $name in $concept"); |
my $concept = &Apache::lonxml::get_param('concept',$parstack, |
} |
$safeeval); |
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$Apache::response::foilgroup{"$name.concept"} = $concept; |
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&Apache::lonxml::debug("Selecting $name in $concept"); |
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} |
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} |
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} |
} |
return ''; |
} |
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return ''; |
} |
} |
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$Apache::imageresponse::curname = ''; |
$Apache::imageresponse::curname=''; |
# ================================================================== Start foil |
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sub start_foil { |
sub start_foil { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
if ($target eq 'web' || $target eq 'grade') { |
if ($target eq 'web' || $target eq 'grade') { |
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); |
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); |
if ($name eq '') { $name=$Apache::lonxml::curdepth; } |
if ($name eq '') { $name=$Apache::lonxml::curdepth; } |
if ( $Apache::imageresponse::conceptgroup ) { |
if ( $Apache::imageresponse::conceptgroup ) { |
push(@{ $Apache::response::conceptgroup{'names'} }, $name); |
push(@{ $Apache::response::conceptgroup{'names'} }, $name); |
} else { |
} else { |
push(@{ $Apache::response::foilgroup{'names'} }, $name); |
push(@{ $Apache::response::foilgroup{'names'} }, $name); |
} |
} |
$Apache::imageresponse::curname=$name; |
$Apache::imageresponse::curname=$name; |
} |
} |
return ''; |
return ''; |
} |
} |
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# ==================================================================== End foil |
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sub end_foil { |
sub end_foil { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
return ''; |
return ''; |
} |
} |
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# ================================================================== Start text |
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sub start_text { |
sub start_text { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
if ($target eq 'web') { &Apache::lonxml::startredirection; } |
if ($target eq 'web') { &Apache::lonxml::startredirection; } |
return ''; |
return ''; |
} |
} |
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# ==================================================================== End text |
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sub end_text { |
sub end_text { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
if ($target eq 'web') { |
if ($target eq 'web') { |
my $name = $Apache::imageresponse::curname; |
my $name = $Apache::imageresponse::curname; |
if ( $Apache::imageresponse::conceptgroup ) { |
if ( $Apache::imageresponse::conceptgroup ) { |
$Apache::response::conceptgroup{"$name.text"} = |
$Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection; |
&Apache::lonxml::endredirection; |
} else { |
} else { |
$Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection; |
$Apache::response::foilgroup{"$name.text"} = |
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&Apache::lonxml::endredirection; |
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} |
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} |
} |
return ''; |
} |
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return ''; |
} |
} |
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# ================================================================= Start image |
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sub start_image { |
sub start_image { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
if ($target eq 'web') { &Apache::lonxml::startredirection; } |
if ($target eq 'web') { &Apache::lonxml::startredirection; } |
return ''; |
return ''; |
} |
} |
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# =================================================================== End image |
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sub end_image { |
sub end_image { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
if ($target eq 'web') { |
if ($target eq 'web') { |
my $name = $Apache::imageresponse::curname; |
my $name = $Apache::imageresponse::curname; |
my $image = &Apache::lonxml::endredirection; |
my $image = &Apache::lonxml::endredirection; |
&Apache::lonxml::debug("out is $image"); |
&Apache::lonxml::debug("out is $image"); |
if ( $Apache::imageresponse::conceptgroup ) { |
if ( $Apache::imageresponse::conceptgroup ) { |
$Apache::response::conceptgroup{"$name.image"} = $image; |
$Apache::response::conceptgroup{"$name.image"} = $image; |
} else { |
} else { |
$Apache::response::foilgroup{"$name.image"} = $image; |
$Apache::response::foilgroup{"$name.image"} = $image; |
} |
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} |
} |
return ''; |
} |
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return ''; |
} |
} |
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# ============================================================= Start rectangle |
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sub start_rectangle { |
sub start_rectangle { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
if ($target eq 'web' || $target eq 'grade') { |
if ($target eq 'web' || $target eq 'grade') { &Apache::lonxml::startredirection; } |
&Apache::lonxml::startredirection; |
return ''; |
} |
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return ''; |
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} |
} |
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# ====================================== Grade rectangle (return scalar string) |
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sub grade_rectangle { |
sub grade_rectangle { |
my ($spec,$x,$y) = @_; |
my ($spec,$x,$y) = @_; |
&Apache::lonxml::debug("Spec is $spec"); |
&Apache::lonxml::debug("Spec is $spec"); |
$spec =~ m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/; |
$spec=~m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/; |
my $x1 = $1; |
my $x1=$1; |
my $y1 = $2; |
my $y1=$2; |
my $x2 = $3; |
my $x2=$3; |
my $y2 = $4; |
my $y2=$4; |
&Apache::lonxml::debug("Point $x1,$y1,$x2,$y2"); |
&Apache::lonxml::debug("Point $x1,$y1,$x2,$y2"); |
if ($x1 > $x2) { my $temp = $x1; $x1 = $x2; $x2 = $temp; } |
if ($x1 > $x2) { my $temp=$x1;$x1=$x2;$x2=$temp; } |
if ($y1 > $y2) { my $temp = $y1; $y1 = $y2; $y2 = $temp; } |
if ($y1 > $y2) { my $temp=$y1;$y1=$y2;$y2=$temp; } |
if ($x => $x1) { if ($x <= $x2) { if ($y => $y1) { |
if ($x => $x1) { if ($x <= $x2) { if ($y => $y1) { if ($y <= $y2) { return 'APPROX_ANS'; } } } } |
if ($y <= $y2) { return 'APPROX_ANS'; } } } } |
return 'INCORRECT'; |
return 'INCORRECT'; |
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} |
} |
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# =============================================================== End rectangle |
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sub end_rectangle { |
sub end_rectangle { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
if ($target eq 'web' || $target eq 'grade') { |
if ($target eq 'web' || $target eq 'grade') { |
my $name = $Apache::imageresponse::curname; |
my $name = $Apache::imageresponse::curname; |
my $area = &Apache::lonxml::endredirection; |
my $area = &Apache::lonxml::endredirection; |
&Apache::lonxml::debug("out is $area for $name"); |
&Apache::lonxml::debug("out is $area for $name"); |
if ( $Apache::imageresponse::conceptgroup ) { |
if ( $Apache::imageresponse::conceptgroup ) { |
push @{ $Apache::response::conceptgroup{"$name.area"} }, |
push @{ $Apache::response::conceptgroup{"$name.area"} },"rectangle:$area"; |
"rectangle:$area"; |
} else { |
} else { |
push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area"; |
push @{ $Apache::response::foilgroup{"$name.area"} }, |
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"rectangle:$area"; |
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} |
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} |
} |
return ''; |
} |
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return ''; |
} |
} |
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1; |
1; |
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__END__ |
__END__ |
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