version 1.1, 2001/02/07 00:29:59
|
version 1.16, 2002/01/17 12:23:31
|
Line 1
|
Line 1
|
# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# iimage click response style |
# image click response style |
|
# |
|
# $Id$ |
|
# |
|
# 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/ |
|
# |
|
|
|
#FIXME assumes multiple possbile submissions but only one is possible currently |
|
|
package Apache::imageresponse; |
package Apache::imageresponse; |
use strict; |
use strict; |
|
|
sub BEGIN { |
BEGIN { |
&Apache::lonxml::register('Apache::imageresponse',('imageresponse')); |
&Apache::lonxml::register('Apache::imageresponse',('imageresponse')); |
} |
} |
|
|
sub start_imageresponse { |
sub start_imageresponse { |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result; |
#when in a radiobutton response use these |
#when in a radiobutton response use these |
&Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil','text','image','rectangle')); |
&Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup')); |
|
push (@Apache::lonxml::namespace,'imageresponse'); |
my $id = &Apache::response::start_response($parstack,$safeeval); |
my $id = &Apache::response::start_response($parstack,$safeeval); |
return ''; |
if ($target eq 'meta') { |
|
$result=&Apache::response::meta_package_write('imageresponse'); |
|
} |
|
return $result; |
} |
} |
|
|
sub end_imageresponse { |
sub end_imageresponse { |
&Apache::response::end_response; |
&Apache::response::end_response; |
|
pop @Apache::lonxml::namespace; |
|
&Apache::lonxml::deregister('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup')); |
return ''; |
return ''; |
} |
} |
|
|
%Apache::response::foilgroup={}; |
%Apache::response::foilgroup={}; |
sub start_foilgroup { |
sub start_foilgroup { |
%Apache::response::foilgroup={}; |
%Apache::response::foilgroup={}; |
|
$Apache::imageresponse::conceptgroup=0; |
|
&Apache::response::setrandomnumber(); |
return ''; |
return ''; |
} |
} |
|
|
sub setrandomnumber { |
sub getfoilcounts { |
my $rndseed=&Apache::lonnet::rndseed(); |
my ($parstack,$safeeval)=@_; |
$rndseed=unpack("%32i",$rndseed); |
|
$rndseed=$rndseed |
my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2'); |
+&Apache::lonnet::numval($Apache::inputtags::part) |
# +1 since instructors will count from 1 |
+&Apache::lonnet::numval($Apache::inputtags::response['-1']); |
my $count = $#{ $Apache::response::foilgroup{'names'} }+1; |
srand($rndseed); |
return ($count,$max); |
|
} |
|
|
|
sub whichfoils { |
|
my ($max)=@_; |
|
if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; } |
|
my @names = @{ $Apache::response::foilgroup{'names'} }; |
|
my @whichopt =(); |
|
while ((($#whichopt+1) < $max) && ($#names > -1)) { |
|
&Apache::lonxml::debug("Have $#whichopt max is $max"); |
|
my $aopt=int(rand($#names+1)); |
|
&Apache::lonxml::debug("From $#names elms, picking $aopt"); |
|
$aopt=splice(@names,$aopt,1); |
|
&Apache::lonxml::debug("Picked $aopt"); |
|
push (@whichopt,$aopt); |
|
} |
|
return @whichopt; |
|
} |
|
|
|
sub displayfoils { |
|
my (@whichopt) = @_; |
|
my $result =''; |
|
my $name; |
|
my $temp=1; |
|
foreach $name (@whichopt) { |
|
$result.=$Apache::response::foilgroup{"$name.text"}."<br />\n"; |
|
my $image=$Apache::response::foilgroup{"$name.image"}; |
|
if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) { |
|
$result.="<img src=\"$image\"/> <br />\n"; |
|
} else { |
|
$result.="<input type=\"image\" name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\" src=\"$image\"/> <br />\n"; |
|
} |
|
$temp++; |
|
} |
|
return $result; |
|
} |
|
|
|
sub gradefoils { |
|
my (@whichopt) = @_; |
|
my $result=''; |
|
my $x; |
|
my $y; |
|
my $result; |
|
my $id=$Apache::inputtags::response['-1']; |
|
my $temp=1; |
|
foreach my $name (@whichopt) { |
|
$x=$ENV{"form.HWVAL_$id:$temp.x"}; |
|
$y=$ENV{"form.HWVAL_$id:$temp.y"}; |
|
&Apache::lonxml::debug("Got a x of $x and a y of $y for $name"); |
|
if (defined(@{ $Apache::response::foilgroup{"$name.area"} })) { |
|
my @areas = @{ $Apache::response::foilgroup{"$name.area"} }; |
|
my $grade="INCORRECT"; |
|
foreach my $area (@areas) { |
|
&Apache::lonxml::debug("Area is $area for $name"); |
|
$area =~ m/([a-z]*):/; |
|
&Apache::lonxml::debug("Area of type $1"); |
|
if ($1 eq 'rectangle') { |
|
$grade=&grade_rectangle($area,$x,$y); |
|
} else { |
|
&Apache::lonxml::error("Unknown area style $area"); |
|
} |
|
&Apache::lonxml::debug("Area said $grade"); |
|
if ($grade eq 'APPROX_ANS') { last; } |
|
} |
|
&Apache::lonxml::debug("Foil was $grade"); |
|
if ($grade eq 'INCORRECT') { $result= 'INCORRECT'; } |
|
if (($grade eq 'APPROX_ANS') && ($result ne 'APPROX_ANS')) { $result=$grade; } |
|
&Apache::lonxml::debug("Question is $result"); |
|
$temp++; |
|
} |
|
} |
|
$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}="$x:$y"; |
|
$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$result; |
return ''; |
return ''; |
} |
} |
|
|
sub end_foilgroup { |
sub end_foilgroup { |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result=''; |
|
my @whichopt; |
|
if ($target eq 'web' || $target eq 'grade') { |
|
my ($count,$max) = &getfoilcounts($parstack,$safeeval); |
|
if ($count>$max) { $count=$max } |
|
&Apache::lonxml::debug("Count is $count from $max"); |
|
@whichopt = &whichfoils($max); |
|
} |
|
if ($target eq 'web') { |
|
$result=&displayfoils(@whichopt); |
|
} |
|
if ($target eq 'grade') { |
|
if ( defined $ENV{'form.submitted'}) { |
|
&gradefoils(@whichopt); |
|
} |
|
} |
|
return $result; |
} |
} |
|
|
sub start_conceptgroup { |
sub start_conceptgroup { |
|
$Apache::imageresponse::conceptgroup=1; |
|
%Apache::response::conceptgroup={}; |
|
return ''; |
} |
} |
|
|
sub end_conceptgroup { |
sub end_conceptgroup { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
$Apache::imageresponse::conceptgroup=0; |
|
if ($target eq 'web' || $target eq 'grade') { |
|
if (defined(@{ $Apache::response::conceptgroup{'names'} })) { |
|
my @names = @{ $Apache::response::conceptgroup{'names'} }; |
|
my $pick=int(rand($#names+1)); |
|
my $name=$names[$pick]; |
|
if (defined(@{ $Apache::response::conceptgroup{"$name.area"} })) { |
|
push @{ $Apache::response::foilgroup{'names'} }, $name; |
|
$Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"}; |
|
$Apache::response::foilgroup{"$name.image"} = $Apache::response::conceptgroup{"$name.image"}; |
|
push(@{ $Apache::response::foilgroup{"$name.area"} }, @{ $Apache::response::conceptgroup{"$name.area"} }); |
|
my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval); |
|
$Apache::response::foilgroup{"$name.concept"} = $concept; |
|
&Apache::lonxml::debug("Selecting $name in $concept"); |
|
} |
|
} |
|
} |
|
return ''; |
} |
} |
|
|
$Apache::imageresponse::curname=''; |
$Apache::imageresponse::curname=''; |
sub start_foil { |
sub start_foil { |
my ($target,$token,$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 $args =''; |
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); |
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } |
if ($name eq '') { $name=$Apache::lonxml::curdepth; } |
my $name = &Apache::run::run("{$args;".'return $name}',$safeeval); |
if ( $Apache::imageresponse::conceptgroup ) { |
push @{ $Apache::response::foilgroup{'names'} }, $name; |
push(@{ $Apache::response::conceptgroup{'names'} }, $name); |
|
} else { |
|
push(@{ $Apache::response::foilgroup{'names'} }, $name); |
|
} |
$Apache::imageresponse::curname=$name; |
$Apache::imageresponse::curname=$name; |
} |
} |
return ''; |
return ''; |
} |
} |
|
|
sub end_foil { |
sub end_foil { |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
return ''; |
return ''; |
} |
} |
|
|
sub start_text { |
sub start_text { |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
if ($target eq 'web') { |
if ($target eq 'web') { &Apache::lonxml::startredirection; } |
$Apache::lonxml::redirection--; |
|
} |
|
return ''; |
return ''; |
} |
} |
|
|
sub end_text { |
sub end_text { |
my ($target,$token,$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; |
$Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack; |
if ( $Apache::imageresponse::conceptgroup ) { |
if ($target eq 'web' ) { |
$Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection; |
$Apache::lonxml::redirection++; |
} else { |
if ($Apache::lonxml::redirection == 1) { |
$Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection; |
$Apache::lonxml::outputstack=''; |
|
} |
|
} |
} |
} |
} |
return ''; |
return ''; |
} |
} |
|
|
sub start_image { |
sub start_image { |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
if ($target eq 'web') { &Apache::lonxml::startredirection; } |
|
return ''; |
} |
} |
|
|
sub end_image { |
sub end_image { |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
if ($target eq 'web') { |
|
my $name = $Apache::imageresponse::curname; |
|
my $image = &Apache::lonxml::endredirection; |
|
&Apache::lonxml::debug("out is $image"); |
|
if ( $Apache::imageresponse::conceptgroup ) { |
|
$Apache::response::conceptgroup{"$name.image"} = $image; |
|
} else { |
|
$Apache::response::foilgroup{"$name.image"} = $image; |
|
} |
|
} |
|
return ''; |
} |
} |
|
|
sub start_rectangle { |
sub start_rectangle { |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
if ($target eq 'web' || $target eq 'grade') { &Apache::lonxml::startredirection; } |
|
return ''; |
|
} |
|
|
|
sub grade_rectangle { |
|
my ($spec,$x,$y) = @_; |
|
&Apache::lonxml::debug("Spec is $spec"); |
|
$spec=~m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/; |
|
my $x1=$1; |
|
my $y1=$2; |
|
my $x2=$3; |
|
my $y2=$4; |
|
&Apache::lonxml::debug("Point $x1,$y1,$x2,$y2"); |
|
if ($x1 > $x2) { my $temp=$x1;$x1=$x2;$x2=$temp; } |
|
if ($y1 > $y2) { my $temp=$y1;$y1=$y2;$y2=$temp; } |
|
if ($x => $x1) { if ($x <= $x2) { if ($y => $y1) { if ($y <= $y2) { return 'APPROX_ANS'; } } } } |
|
return 'INCORRECT'; |
} |
} |
|
|
sub end_rectangle { |
sub end_rectangle { |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
if ($target eq 'web' || $target eq 'grade') { |
|
my $name = $Apache::imageresponse::curname; |
|
my $area = &Apache::lonxml::endredirection; |
|
&Apache::lonxml::debug("out is $area for $name"); |
|
if ( $Apache::imageresponse::conceptgroup ) { |
|
push @{ $Apache::response::conceptgroup{"$name.area"} },"rectangle:$area"; |
|
} else { |
|
push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area"; |
|
} |
|
} |
|
return ''; |
} |
} |
1; |
1; |
__END__ |
__END__ |