version 1.90, 2007/10/15 09:47:29
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version 1.96, 2008/11/18 19:14:28
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Line 29
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Line 29
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#FIXME LATER assumes multiple possible submissions but only one is possible |
#FIXME LATER assumes multiple possible submissions but only one is possible |
#currently |
#currently |
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=head1 NAME |
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Apache::imageresponse |
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=head1 SYNOPSIS |
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Coordinates the response to clicking an image. |
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This is part of the LearningOnline Network with CAPA project |
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described at http://www.lon-capa.org. |
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=head1 SUBROUTINES |
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=over |
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=item start_imageresponse() |
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=item end_imageresponse() |
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=item start_foilgroup() |
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=item getfoilcounts() |
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=item whichfoils() |
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=item prep_image() |
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=item draw_image() |
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=item displayfoils() |
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=item format_prior_response() |
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=item display_answers() |
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=item clean_up_image() |
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=item gradefoils() |
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=item stringify_submission() |
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=item get_submission() |
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=item end_foilgroup() |
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=item start_conceptgroup() |
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=item end_conceptgroup() |
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=item insert_foil() |
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=item start_foil() |
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=item end_foil() |
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=item start_text() |
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=item end_text() |
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=item start_image() |
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=item end_image() |
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=item start_rectangle() |
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=item grade_rectangle() |
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=item end_rectangle() |
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=item start_polygon() |
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=item grade_polygon() |
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=item end_polygon() |
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=back |
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=cut |
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package Apache::imageresponse; |
package Apache::imageresponse; |
use strict; |
use strict; |
use Image::Magick(); |
use Image::Magick(); |
Line 59 sub start_imageresponse {
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Line 140 sub start_imageresponse {
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$result=&Apache::response::meta_package_write('imageresponse'); |
$result=&Apache::response::meta_package_write('imageresponse'); |
} elsif ($target eq 'analyze') { |
} elsif ($target eq 'analyze') { |
my $part_id="$Apache::inputtags::part.$id"; |
my $part_id="$Apache::inputtags::part.$id"; |
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$Apache::lonhomework::analyze{"$part_id.type"} = 'imageresponse'; |
push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); |
push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); |
push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, |
push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, |
1); |
1); |
Line 222 sub draw_image {
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Line 304 sub draw_image {
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} |
} |
} |
} |
} |
} |
&Apache::lonnet::appenv(%x); |
&Apache::lonnet::appenv(\%x); |
return $id; |
return $id; |
} |
} |
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Line 237 sub displayfoils {
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Line 319 sub displayfoils {
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if ($target eq 'tex') {$result.="\\vskip 0 mm \n";} else {$result.="<br />\n";} |
if ($target eq 'tex') {$result.="\\vskip 0 mm \n";} else {$result.="<br />\n";} |
my $image=$Apache::response::foilgroup{"$name.image"}; |
my $image=$Apache::response::foilgroup{"$name.image"}; |
&Apache::lonxml::debug("image is $image"); |
&Apache::lonxml::debug("image is $image"); |
if ( $target eq 'web' && $image !~ /^http:/ ) { |
if ( ($target eq 'web' || $target eq 'answer') |
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&& $image !~ /^http:/ ) { |
$image=&clean_up_image($image); |
$image=&clean_up_image($image); |
} |
} |
push(@images,$image); |
push(@images,$image); |
Line 302 sub display_answers {
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Line 385 sub display_answers {
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foreach my $name (@$whichopt) { |
foreach my $name (@$whichopt) { |
my $image=$Apache::response::foilgroup{"$name.image"}; |
my $image=$Apache::response::foilgroup{"$name.image"}; |
&Apache::lonxml::debug("image is $image"); |
&Apache::lonxml::debug("image is $image"); |
if ( $target eq 'web' && $image !~ /^http:/ ) { |
if ( ($target eq 'web' || $target eq 'answer') |
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&& $image !~ /^http:/ ) { |
$image = &clean_up_image($image); |
$image = &clean_up_image($image); |
} |
} |
my $token=&prep_image($image,'answeronly',$name); |
my $token=&prep_image($image,'answeronly',$name); |
Line 364 sub gradefoils {
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Line 448 sub gradefoils {
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} elsif ($1 eq 'polygon') { |
} elsif ($1 eq 'polygon') { |
$grade=&grade_polygon($area,$x,$y); |
$grade=&grade_polygon($area,$x,$y); |
} else { |
} else { |
&Apache::lonxml::error("Unknown area style $area"); |
&Apache::lonxml::error(&mt('Unknown area style [_1]',$area)); |
} |
} |
&Apache::lonxml::debug("Area said $grade"); |
&Apache::lonxml::debug("Area said $grade"); |
if ($grade eq 'APPROX_ANS') { last; } |
if ($grade eq 'APPROX_ANS') { last; } |
Line 491 sub start_foil {
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Line 575 sub start_foil {
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$target eq 'analyze' || $target eq 'answer') { |
$target eq 'analyze' || $target eq 'answer') { |
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); |
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); |
if ($name eq "") { |
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; |
$name=$Apache::lonxml::curdepth; |
} |
} |
if (defined($Apache::response::foilnames{$name})) { |
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.",$name)); |
&Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique." |
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,'<b><tt>'.$name.'</tt></b>')); |
} |
} |
$Apache::response::foilnames{$name}++; |
$Apache::response::foilnames{$name}++; |
if ( $Apache::imageresponse::conceptgroup |
if ( $Apache::imageresponse::conceptgroup |