--- loncom/homework/imageresponse.pm 2001/06/02 03:59:59 1.8
+++ loncom/homework/imageresponse.pm 2003/09/22 20:49:01 1.35
@@ -1,33 +1,71 @@
# The LearningOnline Network with CAPA
-# iimage click response style
-
-#FIXME assumes multiple possbile submissions but only one is possible currently
+# image click response style
+#
+# $Id: imageresponse.pm,v 1.35 2003/09/22 20:49:01 albertel Exp $
+#
+# 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/
+#
+# July,August 2003 H. K. Ng
+#
+#FIXME LATER assumes multiple possible submissions but only one is possible
+#currently
package Apache::imageresponse;
+use Apache::randomlylabel;
use strict;
+use Image::Magick;
+use GD;
-sub BEGIN {
+BEGIN {
&Apache::lonxml::register('Apache::imageresponse',('imageresponse'));
}
sub start_imageresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result;
#when in a radiobutton response use these
&Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup'));
push (@Apache::lonxml::namespace,'imageresponse');
my $id = &Apache::response::start_response($parstack,$safeeval);
- return '';
+ if ($target eq 'meta') {
+ $result=&Apache::response::meta_package_write('imageresponse');
+ }
+ return $result;
}
sub end_imageresponse {
- &Apache::response::end_response;
- pop @Apache::lonxml::namespace;
- return '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ &Apache::response::end_response;
+ pop @Apache::lonxml::namespace;
+ &Apache::lonxml::deregister('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup'));
+ my $result;
+ if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
+ return $result;
}
-%Apache::response::foilgroup={};
+%Apache::response::foilgroup=();
sub start_foilgroup {
- %Apache::response::foilgroup={};
+ %Apache::response::foilgroup=();
$Apache::imageresponse::conceptgroup=0;
&Apache::response::setrandomnumber();
return '';
@@ -39,16 +77,23 @@ sub getfoilcounts {
my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
# +1 since instructors will count from 1
my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
+ if (&Apache::response::showallfoils()) { $max=$count; }
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));
+ my $aopt;
+ if (&Apache::response::showallfoils()) {
+ $aopt=0;
+ } else {
+ $aopt=int(&Math::Random::random_uniform() * ($#names+1));
+ }
&Apache::lonxml::debug("From $#names elms, picking $aopt");
$aopt=splice(@names,$aopt,1);
&Apache::lonxml::debug("Picked $aopt");
@@ -58,17 +103,28 @@ sub whichfoils {
}
sub displayfoils {
- my (@whichopt) = @_;
+ my ($target,@whichopt) = @_;
my $result ='';
my $name;
my $temp=1;
foreach $name (@whichopt) {
- $result.=$Apache::response::foilgroup{"$name.text"}."<br />\n";
+ $result.=$Apache::response::foilgroup{"$name.text"};
+ &Apache::lonxml::debug("Text is $result");
+ if ($target eq 'tex') {$result.="\\vskip 0 mm \n";} else {$result.="<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";
+ &Apache::lonxml::debug("image is $image");
+ if ( &Apache::response::show_answer() ) {
+ if ($target eq 'tex') {
+ $result.=$Apache::response::foilgroup{"$name.image"}."\\vskip 0 mm \n";
+ } else {
+ $result.="<img src=\"$image\"/> <br />\n";
+ }
} else {
- $result.="<input type=\"image\" name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\" src=\"$image\"/> <br />\n";
+ if ($target eq 'tex') {
+ $result.=$Apache::response::foilgroup{"$name.image"}."\\vskip 0 mm \n";
+ } else {
+ $result.="<input type=\"image\" name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\" src=\"$image\"/> <br />\n";
+ }
}
$temp++;
}
@@ -77,7 +133,6 @@ sub displayfoils {
sub gradefoils {
my (@whichopt) = @_;
- my $result='';
my $x;
my $y;
my $result;
@@ -87,25 +142,28 @@ sub gradefoils {
$x=$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");
- 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 $area");
+ if (defined($x) && defined($y) &&
+ 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("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::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;
@@ -116,54 +174,71 @@ sub end_foilgroup {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';
my @whichopt;
- if ($target eq 'web' || $target eq 'grade') {
+ if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') {
my ($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 $ENV{'form.submitted'}) {
- &gradefoils(@whichopt);
- }
+ if ($target eq 'web' || $target eq 'tex') {
+ $result=&displayfoils($target,@whichopt);
+ } elsif ($target eq 'grade') {
+ if ( defined $ENV{'form.submitted'}) { &gradefoils(@whichopt); }
+ }
+ } elsif ($target eq 'edit') {
+ $result=&Apache::edit::end_table();
}
return $result;
}
sub start_conceptgroup {
$Apache::imageresponse::conceptgroup=1;
- %Apache::response::conceptgroup={};
+ %Apache::response::conceptgroup=();
return '';
}
sub end_conceptgroup {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- $Apache::imageresponse::conceptgroup=0;
- if ($target eq 'web' || $target eq 'grade') {
- my @names = @{ $Apache::response::conceptgroup{'names'} };
- my $pick=int(rand($#names+1));
- my $name=$names[$pick];
- 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");
+ $Apache::imageresponse::conceptgroup=0;
+ my $result;
+ if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') {
+ if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
+ my @names = @{ $Apache::response::conceptgroup{'names'} };
+ my $pick=int(&Math::Random::random_uniform() * ($#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 $concept");
+ }
+ }
+ } elsif ($target eq 'edit') {
+ $result=&Apache::edit::end_table();
}
- return '';
+ return $result;
+}
+
+sub insert_foil {
+ return '
+ <foil>
+ <image></image>
+ <text></text>
+ <rectangle></rectangle>
+ </foil>
+';
}
$Apache::imageresponse::curname='';
sub start_foil {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- if ($target eq 'web' || $target eq 'grade') {
+ if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') {
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
if ($name eq '') { $name=$Apache::lonxml::curdepth; }
- if ( $Apache::imageresponse::conceptgroup ) {
+ if ( $Apache::imageresponse::conceptgroup
+ && !&Apache::response::showallfoils()) {
push(@{ $Apache::response::conceptgroup{'names'} }, $name);
} else {
push(@{ $Apache::response::foilgroup{'names'} }, $name);
@@ -174,54 +249,210 @@ sub start_foil {
}
sub end_foil {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- return '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result;
+ if ($target eq 'edit') {
+ $result=&Apache::edit::end_table();
+ }
+ return $result;
}
sub start_text {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- if ($target eq 'web') { &Apache::lonxml::startredirection; }
- return '';
+ my $result='';
+ if ($target eq 'web' || $target eq 'tex') {
+ &Apache::lonxml::startredirection;
+ } elsif ($target eq 'edit') {
+ my $descr=&Apache::lonxml::get_all_text('/text',$parser);
+ $result=&Apache::edit::tag_start($target,$token,'Task Description').
+ &Apache::edit::editfield($token->[1],$descr,'Text',60,2).
+ &Apache::edit::end_row();
+ } elsif ($target eq "modified") {
+ my $descr=&Apache::lonxml::get_all_text('/text',$parser);
+ $result=$token->[4].&Apache::edit::modifiedfield($token);
+ &Apache::lonxml::debug($result);
+ }
+ return $result;
}
sub end_text {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- if ($target eq 'web') {
+ my $result;
+ if ($target eq 'web' || $target eq 'tex') {
my $name = $Apache::imageresponse::curname;
- if ( $Apache::imageresponse::conceptgroup ) {
+ if ( $Apache::imageresponse::conceptgroup
+ && !&Apache::response::showallfoils() ) {
$Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection;
} else {
$Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection;
}
+ } elsif ($target eq 'edit') {
+ $result=&Apache::edit::end_table();
}
- return '';
+ return $result;
}
sub start_image {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- if ($target eq 'web') { &Apache::lonxml::startredirection; }
- return '';
+ my $result='';
+ if ($target eq 'web' || $target eq 'tex') {
+ &Apache::lonxml::startredirection;
+ } elsif ($target eq 'edit') {
+ my $bgimg=&Apache::lonxml::get_all_text('/image',$parser);
+ $Apache::edit::bgimgsrc=$bgimg;
+ $Apache::edit::bgimgsrcdepth=$Apache::lonxml::curdepth;
+
+ $result=&Apache::edit::tag_start($target,$token,'Clickable Image').
+ &Apache::edit::editline($token->[1],$bgimg,'Image Source File',40);
+ $result.=&Apache::edit::browse(undef,'textnode').' ';
+ $result.=&Apache::edit::search(undef,'textnode').
+ &Apache::edit::end_row();
+ } elsif ($target eq "modified") {
+ my $bgimg=&Apache::lonxml::get_all_text('/image',$parser);
+ $result=$token->[4].&Apache::edit::modifiedfield($token);
+ &Apache::lonxml::debug($result);
+ }
+ return $result;
}
sub end_image {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result;
+ my $name = $Apache::imageresponse::curname;
if ($target eq 'web') {
- my $name = $Apache::imageresponse::curname;
my $image = &Apache::lonxml::endredirection;
- &Apache::lonxml::debug("out is $image");
- if ( $Apache::imageresponse::conceptgroup ) {
+ &Apache::lonxml::debug("original image is $image");
+ my $id=$Apache::inputtags::response['-1'];
+ my $temp=1;
+ my $x=$ENV{"form.HWVAL_$id:$temp.x"};
+ my $y=$ENV{"form.HWVAL_$id:$temp.y"};
+ if (defined ($x) && defined ($y)) {
+ &Apache::lonxml::debug("x and y defined as $x,$y");
+ my $currentImage = &Apache::randomlylabel::get_image('/home/httpd/html'.$image,1);
+ if (! defined($currentImage)) {
+ &Apache::lonnet::logthis('Unable to create image object for '.$image);
+ return '';
+ }
+ my $red;
+ if (!($red = $currentImage->colorResolve(255,0,0))) {
+ $red = $currentImage->colorClosestHWB(255,0,0);
+ }
+ my $length = 6;
+ $currentImage->line($x-$length,$y-$length,$x+$length,$y+$length,$red);
+ $currentImage->line($x-$length,$y+$length,$x+$length,$y-$length,$red);
+
+ my ($nameWOext) = ($image =~ /^.*\/(.*)\..*$/);
+ &Apache::lonxml::debug("graph name $nameWOext");
+ my $webImageName = "/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_".
+ $nameWOext.'.png'; #needs to be more random or specific
+ my $newImageName = '/home/httpd'.$webImageName;
+
+ my $imgfh = Apache::File->new('>'.$newImageName);
+ print $imgfh $currentImage->png;
+ $image = $webImageName;
+ }
+ &Apache::lonxml::debug("out image is $image");
+ if ( $Apache::imageresponse::conceptgroup
+ && !&Apache::response::showallfoils()) {
$Apache::response::conceptgroup{"$name.image"} = $image;
} else {
$Apache::response::foilgroup{"$name.image"} = $image;
}
- }
- return '';
+ } elsif ($target eq 'edit') {
+ $result=&Apache::edit::end_table();
+ } elsif ($target eq 'tex') {
+ my $src = &Apache::lonxml::endredirection;
+ $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
+ my $width_param = '';
+ my $height_param = '';
+ my $scaling = .3;
+ my $image = Image::Magick->new;
+ my $current_figure = $image->Read($src);
+ $width_param = $image->Get('width') * $scaling;;
+ $height_param = $image->Get('height') * $scaling;;
+ undef $image;
+ my $epssrc = $src;
+ $epssrc =~ s/(\.gif|\.jpg)$/\.eps/i;
+ if (not -e $epssrc) {
+ my $localfile = $epssrc;
+ $localfile =~ s/.*(\/res)/$1/;
+ my $file;
+ my $path;
+ if ($localfile =~ m!(.*)/([^/]*)$!) {
+ $file = $2;
+ $path = $1.'/';
+ }
+ my $signal_eps = 0;
+ my @content_directory = &Apache::lonnet::dirlist($path);
+ for (my $iy=0;$iy<=$#content_directory;$iy++) {
+ my @tempo_array = split(/&/,$content_directory[$iy]);
+ $content_directory[$iy] = $tempo_array[0];
+ if ($file eq $tempo_array[0]) {
+ $signal_eps = 1;
+ last;
+ }
+ }
+ if ($signal_eps) {
+ my $eps_file = &Apache::lonnet::getfile($localfile);
+ } else {
+ $localfile = $src;
+ $localfile =~ s/.*(\/res)/$1/;
+ my $as = &Apache::lonnet::getfile($src);
+ }
+ }
+ my $file;
+ my $path;
+ if ($src =~ m!(.*)/([^/]*)$!) {
+ $file = $2;
+ $path = $1.'/';
+ }
+ my $newsrc = $src;
+ $newsrc =~ s/(\.gif|\.jpg|\.jpeg)$/\.eps/i;
+ $file=~s/(\.gif|\.jpg|\.jpeg)$/\.eps/i;
+ #do we have any specified size of the picture?
+ my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval);
+ my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval);
+ my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval);
+ if ($TeXwidth ne '') {
+ $width_param = $TeXwidth;
+ } elsif ($TeXheight ne '') {
+ $width_param = $TeXheight/$height_param*$width_param;
+ } elsif ($width ne '') {
+ $width_param = $width*$scaling;
+ }
+ #where can we find the picture?
+ if (-e $newsrc) {
+ if ($path) {
+ $Apache::response::foilgroup{"$name.image"} ='\vskip 0 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
+ }
+ } else {
+ my $temp_file;
+ my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
+ $temp_file = Apache::File->new('>>'.$filename);
+ print $temp_file "$src\n";
+$Apache::response::foilgroup{"$name.image"} ='\vskip 0 mm \graphicspath{{/home/httpd/prtspool/}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
+ }
+ }
+ return $result;
}
sub start_rectangle {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- if ($target eq 'web' || $target eq 'grade') { &Apache::lonxml::startredirection; }
- return '';
+ my $result='';
+ if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') {
+ &Apache::lonxml::startredirection;
+ } elsif ($target eq 'edit') {
+ my $coords=&Apache::lonxml::get_all_text('/rectangle',$parser);
+ $result=&Apache::edit::tag_start($target,$token,'Rectangle').
+ &Apache::edit::editline($token->[1],$coords,'Coordinate Pairs',40).
+ &Apache::edit::entercoordpair(undef,'textnode').
+ &Apache::edit::end_row();
+ } elsif ($target eq "modified") {
+ my $coords=&Apache::lonxml::get_all_text('/rectangle',$parser);
+ $result=$token->[4].&Apache::edit::modifiedfield($token);
+ &Apache::lonxml::debug($result);
+ }
+ return $result;
}
sub grade_rectangle {
@@ -235,23 +466,29 @@ sub grade_rectangle {
&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 <= $y2) { return 'APPROX_ANS'; } } } }
+ if (($x >= $x1) && ($x <= $x2) && ($y >= $y1) && ($y <= $y2)) {
+ return 'APPROX_ANS';
+ }
return 'INCORRECT';
}
sub end_rectangle {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- if ($target eq 'web' || $target eq 'grade') {
+ my $result;
+ if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') {
my $name = $Apache::imageresponse::curname;
my $area = &Apache::lonxml::endredirection;
&Apache::lonxml::debug("out is $area for $name");
- if ( $Apache::imageresponse::conceptgroup ) {
+ if ( $Apache::imageresponse::conceptgroup
+ && !&Apache::response::showallfoils()) {
push @{ $Apache::response::conceptgroup{"$name.area"} },"rectangle:$area";
} else {
push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area";
}
+ } elsif ($target eq 'edit') {
+ $result=&Apache::edit::end_table();
}
- return '';
+ return $result;
}
1;
__END__