--- loncom/homework/imageresponse.pm 2007/10/15 09:47:29 1.90 +++ loncom/homework/imageresponse.pm 2011/06/07 17:27:37 1.101 @@ -2,7 +2,7 @@ # The LearningOnline Network with CAPA # image click response style # -# $Id: imageresponse.pm,v 1.90 2007/10/15 09:47:29 foxr Exp $ +# $Id: imageresponse.pm,v 1.101 2011/06/07 17:27:37 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -29,6 +29,87 @@ #FIXME LATER assumes multiple possible submissions but only one is possible #currently + +=head1 NAME + +Apache::imageresponse + +=head1 SYNOPSIS + +Coordinates the response to clicking an image. + +This is part of the LearningOnline Network with CAPA project +described at http://www.lon-capa.org. + +=head1 SUBROUTINES + +=over + +=item start_imageresponse() + +=item end_imageresponse() + +=item start_foilgroup() + +=item getfoilcounts() + +=item whichfoils() + +=item prep_image() + +=item draw_image() + +=item displayfoils() + +=item format_prior_response() + +=item display_answers() + +=item clean_up_image() + +=item gradefoils() + +=item stringify_submission() + +=item get_submission() + +=item end_foilgroup() + +=item start_conceptgroup() + +=item end_conceptgroup() + +=item insert_foil() + +=item start_foil() + +=item end_foil() + +=item start_text() + +=item end_text() + +=item start_image() + +=item end_image() + +=item start_rectangle() + +=item grade_rectangle() + +=item end_rectangle() + +=item start_polygon() + +=item grade_polygon() + +=item end_polygon() + +=back + +=cut + + package Apache::imageresponse; use strict; use Image::Magick(); @@ -59,6 +140,7 @@ sub start_imageresponse { $result=&Apache::response::meta_package_write('imageresponse'); } elsif ($target eq 'analyze') { my $part_id="$Apache::inputtags::part.$id"; + $Apache::lonhomework::analyze{"$part_id.type"} = 'imageresponse'; push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1); @@ -105,15 +187,15 @@ sub end_imageresponse { } &Apache::response::end_response(); - return $result; } %Apache::response::foilgroup=(); sub start_foilgroup { + my ($target) = @_; %Apache::response::foilgroup=(); $Apache::imageresponse::conceptgroup=0; - &Apache::response::pushrandomnumber(); + &Apache::response::pushrandomnumber(undef,$target); return ''; } @@ -222,7 +304,7 @@ sub draw_image { } } } - &Apache::lonnet::appenv(%x); + &Apache::lonnet::appenv(\%x); return $id; } @@ -237,7 +319,8 @@ sub displayfoils { if ($target eq 'tex') {$result.="\\vskip 0 mm \n";} else {$result.="<br />\n";} my $image=$Apache::response::foilgroup{"$name.image"}; &Apache::lonxml::debug("image is $image"); - if ( $target eq 'web' && $image !~ /^http:/ ) { + if ( ($target eq 'web' || $target eq 'answer') + && $image !~ /^https?\:/ ) { $image=&clean_up_image($image); } push(@images,$image); @@ -270,12 +353,49 @@ sub displayfoils { $temp++; } if ($target eq 'web') { - &Apache::response::setup_prior_tries_hash(\&format_prior_response, - [\@images,\@whichopt]); + &get_prior_options(\@images,\@whichopt); } return $result; } +sub get_prior_options { + my ($currimages,$curropt) = @_; + return unless((ref($curropt) eq 'ARRAY') && + (ref($currimages) eq 'ARRAY')); + my $part = $Apache::inputtags::part; + my $respid = $Apache::inputtags::response[-1]; + foreach my $i (1..$Apache::lonhomework::history{'version'}) { + my $partprefix = "$i:resource.$part"; + my $sub_key = "$partprefix.$respid.submission"; + next if (!exists($Apache::lonhomework::history{$sub_key})); + my $type_key = "$partprefix.type"; + my @whichopt = (); + my @images = (); + if ($Apache::lonhomework::history{$type_key} eq 'randomizetry') { + my $order_key = "$partprefix.$respid.foilorder"; + @whichopt = &Apache::lonnet::str2array($Apache::lonhomework::history{$order_key}); + if (@whichopt > 0) { + foreach my $name (@whichopt) { + my $image=$Apache::response::foilgroup{"$name.image"}; + if ($image !~ /^https?\:/ ) { + $image=&clean_up_image($image); + } + push(@images,$image); + } + } + } else { + @whichopt = @{$curropt}; + @images = @{$currimages}; + } + my $submission = $Apache::lonhomework::history{$sub_key}; + my $output = &format_prior_response('grade',$submission, + [\@images,\@whichopt]); + if (defined($output)) { + $Apache::inputtags::submission_display{$sub_key} = $output; + } + } +} + sub format_prior_response { my ($mode,$answer,$other_data) = @_; @@ -302,7 +422,8 @@ sub display_answers { foreach my $name (@$whichopt) { my $image=$Apache::response::foilgroup{"$name.image"}; &Apache::lonxml::debug("image is $image"); - if ( $target eq 'web' && $image !~ /^http:/ ) { + if ( ($target eq 'web' || $target eq 'answer') + && $image !~ /^https?\:/ ) { $image = &clean_up_image($image); } my $token=&prep_image($image,'answeronly',$name); @@ -317,7 +438,7 @@ sub clean_up_image { my ($image)=@_; if ($image =~ /\s*<img\s*/) { ($image) = ($image =~ /src\s*=\s*[\"\']([^\"\']+)[\"\']/i); - if ($image !~ /^http:/) { + if ($image !~ /^https?\:/) { $image=&Apache::lonnet::hreflocation('',$image); } if (!$image) { @@ -364,7 +485,7 @@ sub gradefoils { } elsif ($1 eq 'polygon') { $grade=&grade_polygon($area,$x,$y); } else { - &Apache::lonxml::error("Unknown area style $area"); + &Apache::lonxml::error(&mt('Unknown area style [_1]',$area)); } &Apache::lonxml::debug("Area said $grade"); if ($grade eq 'APPROX_ANS') { last; } @@ -376,6 +497,9 @@ sub gradefoils { } $temp++; } + if ($Apache::lonhomework::type eq 'randomizetry') { + $Apache::lonhomework::results{"resource.$partid.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt); + } my ($result) = &Apache::inputtags::finalizeawards(\@results,[]); &Apache::lonxml::debug("Question is $result"); @@ -383,8 +507,18 @@ sub gradefoils { my %previous= &Apache::response::check_for_previous(&stringify_submission(\%response), $part,$id); - if ($result - && $Apache::lonhomework::type eq 'survey') { $result='SUBMITTED'; } + if ($result) { + if ($Apache::lonhomework::type eq 'survey') { + $result='SUBMITTED'; + } elsif ($Apache::lonhomework::type eq 'surveycred') { + $result='SUBMITTED_CREDIT'; + } elsif ($Apache::lonhomework::type eq 'anonsurvey') { + $result='ANONYMOUS'; + } elsif ($Apache::lonhomework::type eq 'anonsurveycred') { + $result='ANONYMOUS_CREDIT'; + } + } + &Apache::response::handle_previous(\%previous,$result); $Apache::lonhomework::results{"resource.$part.$id.submission"}= &stringify_submission(\%response); @@ -395,8 +529,6 @@ sub gradefoils { sub stringify_submission { my ($response) = @_; return &Apache::lonnet::hash2str(%{ $response }); - - } sub get_submission { @@ -433,6 +565,11 @@ sub end_foilgroup { if ($target eq 'web' || $target eq 'tex') { $result=&displayfoils($target,@whichopt); + if ($Apache::lonhomework::type eq 'randomizetry') { + if ($target eq 'web') { + &get_prior_options($target,@whichopt); + } + } $Apache::lonxml::post_evaluate=0; } elsif ($target eq 'grade') { if ( defined $env{'form.submitted'}) { &gradefoils(@whichopt); } @@ -491,11 +628,15 @@ sub start_foil { $target eq 'analyze' || $target eq 'answer') { my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); if ($name eq "") { - &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction."); + &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.')); $name=$Apache::lonxml::curdepth; } + if ($name eq "0") { + &Apache::lonxml::error(&mt('Foil name [_1] is not supported. Please choose another name.','<b><tt>'.$name.'</tt></b>')); + } if (defined($Apache::response::foilnames{$name})) { - &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name)); + &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique." + ,'<b><tt>'.$name.'</tt></b>')); } $Apache::response::foilnames{$name}++; if ( $Apache::imageresponse::conceptgroup @@ -631,11 +772,13 @@ sub end_image { my ($commentline, $restofstuff) = split(/\n/, $src); $graphinclude = $src; $graphinclude =~ s/^$commentline//; - } else { + } elsif (!($src =~ /\\/)) { my ($path,$file) = &Apache::londefdef::get_eps_image($src); my ($height_param,$width_param)= &Apache::londefdef::image_size($src,0.3,$parstack,$safeeval); $graphinclude = '\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'}'; + } else { + $graphinclude = $src; # Already fully formed. } $Apache::response::foilgroup{"$name.image"} ='\vskip 0 mm \noindent '.$graphinclude; }