--- loncom/homework/imageresponse.pm 2006/03/09 01:11:12 1.74
+++ loncom/homework/imageresponse.pm 2007/06/19 20:23:56 1.83
@@ -2,7 +2,7 @@
# The LearningOnline Network with CAPA
# image click response style
#
-# $Id: imageresponse.pm,v 1.74 2006/03/09 01:11:12 albertel Exp $
+# $Id: imageresponse.pm,v 1.83 2007/06/19 20:23:56 banghart Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -37,6 +37,9 @@ use Apache::londefdef();
use Apache::Constants qw(:common :http);
use Apache::lonlocal;
use Apache::lonnet;
+use lib '/home/httpd/lib/perl/';
+use LONCAPA;
+
BEGIN {
&Apache::lonxml::register('Apache::imageresponse',('imageresponse'));
@@ -70,7 +73,8 @@ sub end_imageresponse {
my $result;
if ($target eq 'edit') {
$result=&Apache::edit::end_table();
- } elsif ($target eq 'tex') {
+ } elsif ($target eq 'tex'
+ && $Apache::lonhomework::type eq 'exam') {
$result=&Apache::inputtags::exam_score_line($target);
}
@@ -128,13 +132,25 @@ sub prep_image {
my ($image,$mode,$name)=@_;
my $part=$Apache::inputtags::part;
my $respid=$Apache::inputtags::response['-1'];
+ my ($x,$y)=split(/:/,$Apache::lonhomework::history{"resource.$part.$respid.submission"});
+ &draw_image($mode,$image,$x,$y,$Apache::response::foilgroup{"$name.area"});
+}
+
+sub draw_image {
+ my ($mode,$image,$x,$y,$areas) = @_;
+
my $id=&Apache::loncommon::get_cgi_id();
+
my (%x,$i);
- $x{"cgi.$id.BGIMG"}=&Apache::lonnet::escape($image);
- my ($x,$y)=split(/:/,$Apache::lonhomework::history{"resource.$part.$respid.submission"});
+ $x{"cgi.$id.BGIMG"}=&escape($image);
+
#draws 2 xs on the image at the clicked location
#one in white and then one in red on top of the one in white
- if (defined($x) && $x=~/\S/ && defined($y) && $y =~/\S/ && !&Apache::response::show_answer()) {
+
+ if (defined($x) && $x =~/\S/
+ && defined($y) && $y =~/\S/
+ && ($mode eq 'submission' || !&Apache::response::show_answer())
+ && $mode ne 'answeronly') {
my $length = 6;
my $width = 1;
my $extrawidth = 2;
@@ -160,11 +176,10 @@ sub prep_image {
$x{"cgi.$id.OBJ$i"}=join(':',(($xmin),($ymax),($xmax),($ymin),
"FF0000",($width)));
}
- if ($mode eq 'answer') {
+ if ($mode eq 'answer' || $mode eq 'answeronly') {
my $width = 1;
my $extrawidth = 2;
- my @areas = @{ $Apache::response::foilgroup{"$name.area"} };
- foreach my $area (@areas) {
+ foreach my $area (@{ $areas }) {
if ($area=~/^rectangle:/) {
$x{"cgi.$id.OBJTYPE"}.='RECTANGLE:';
$i=$x{"cgi.$id.OBJCOUNT"}++;
@@ -196,6 +211,7 @@ sub displayfoils {
my $result ='';
my $name;
my $temp=1;
+ my @images;
foreach $name (@whichopt) {
$result.=$Apache::response::foilgroup{"$name.text"};
&Apache::lonxml::debug("Text is $result");
@@ -204,7 +220,8 @@ sub displayfoils {
&Apache::lonxml::debug("image is $image");
if ( $target eq 'web' && $image !~ /^http:/ ) {
$image=&clean_up_image($image);
- }
+ }
+ push(@images,$image);
&Apache::lonxml::debug("image is $image");
if ( &Apache::response::show_answer() ) {
if ($target eq 'tex') {
@@ -226,6 +243,40 @@ sub displayfoils {
}
$temp++;
}
+ if ($target eq 'web') {
+ &Apache::response::setup_prior_tries_hash(\&format_prior_response,
+ [\@images]);
+ }
+ return $result;
+}
+
+sub format_prior_response {
+ my ($mode,$answer,$other_data) = @_;
+ my ($x,$y)=split(/:/,$answer);
+ my $images = $other_data->[0];
+
+ my $token = &draw_image('submission',$images->[0],$x,$y);
+
+ return "<img class=\"LC_prior_image\" src=\"/adm/randomlabel.png?token=$token\" />";
+
+}
+
+sub display_answers {
+ my ($target,$whichopt)=@_;
+
+ my $result;
+ foreach my $name (@$whichopt) {
+ my $image=$Apache::response::foilgroup{"$name.image"};
+ &Apache::lonxml::debug("image is $image");
+ if ( $target eq 'web' && $image !~ /^http:/ ) {
+ $image = &clean_up_image($image);
+ }
+ my $token=&prep_image($image,'answeronly',$name);
+
+ $result.=&Apache::response::answer_header('imageresponse');
+ $result.=&Apache::response::answer_part('imageresponse',"<img src=\"/adm/randomlabel.png?token=$token\" /><br />\n");
+ $result.=&Apache::response::answer_footer('imageresponse');
+ }
return $result;
}
@@ -308,20 +359,29 @@ sub end_foilgroup {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';
my @whichopt;
+
if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
- $target eq 'analyze') {
+ $target eq 'analyze' || $target eq 'answer') {
+
my ($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' || $target eq 'tex') {
$result=&displayfoils($target,@whichopt);
+ $Apache::lonxml::post_evaluate=0;
} elsif ($target eq 'grade') {
if ( defined $env{'form.submitted'}) { &gradefoils(@whichopt); }
} elsif ( $target eq 'analyze') {
&Apache::response::analyze_store_foilgroup(\@whichopt,
['text','image','area']);
+ } elsif ($target eq 'answer'
+ && $env{'form.answer_output_mode'} ne 'tex') {
+ $result=&display_answers($target,\@whichopt);
}
+
} elsif ($target eq 'edit') {
$result=&Apache::edit::end_table();
}
@@ -366,7 +426,7 @@ sub start_foil {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
- $target eq 'analyze') {
+ $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.");
@@ -409,7 +469,8 @@ sub end_foil {
sub start_text {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';
- if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
+ if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze'
+ || $target eq 'answer') {
&Apache::lonxml::startredirection;
} elsif ($target eq 'edit') {
my $descr=&Apache::lonxml::get_all_text('/text',$parser,$style);
@@ -425,7 +486,8 @@ sub start_text {
sub end_text {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
- if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
+ if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze'
+ || $target eq 'answer') {
my $name = $Apache::imageresponse::curname;
if ( $Apache::imageresponse::conceptgroup
#&& !&Apache::response::showallfoils()
@@ -443,7 +505,9 @@ sub end_text {
sub start_image {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';
- if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
+ my $only = join(',',&Apache::loncommon::filecategorytypes('Pictures'));
+ if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze'
+ || $target eq 'answer') {
&Apache::lonxml::startredirection;
} elsif ($target eq 'edit') {
my $bgimg=&Apache::lonxml::get_all_text('/image',$parser,$style);
@@ -452,7 +516,7 @@ sub start_image {
$result=&Apache::edit::tag_start($target,$token,'Clickable Image').
&Apache::edit::editline($token->[1],$bgimg,'Image Source File',40);
- $result.=&Apache::edit::browse(undef,'textnode').' ';
+ $result.=&Apache::edit::browse(undef,'textnode',undef,$only).' ';
$result.=&Apache::edit::search(undef,'textnode').
&Apache::edit::end_row();
} elsif ($target eq "modified") {
@@ -465,7 +529,7 @@ sub end_image {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
my $name = $Apache::imageresponse::curname;
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'answer') {
my $image = &Apache::lonxml::endredirection();
&Apache::lonxml::debug("original image is $image");
if ( $Apache::imageresponse::conceptgroup
@@ -520,7 +584,7 @@ sub start_rectangle {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';
if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
- $target eq 'analyze') {
+ $target eq 'analyze' || $target eq 'answer') {
&Apache::lonxml::startredirection;
} elsif ($target eq 'edit') {
my $coords=&Apache::lonxml::get_all_text('/rectangle',$parser,$style);
@@ -552,7 +616,7 @@ sub end_rectangle {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
- $target eq 'analyze') {
+ $target eq 'analyze' || $target eq 'answer') {
my $name = $Apache::imageresponse::curname;
my $area = &Apache::lonxml::endredirection;
$area=~s/\s//g;
@@ -574,7 +638,7 @@ sub start_polygon {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';
if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
- $target eq 'analyze') {
+ $target eq 'analyze' || $target eq 'answer') {
&Apache::lonxml::startredirection;
} elsif ($target eq 'edit') {
my $coords=&Apache::lonxml::get_all_text('/polygon',$parser,$style);
@@ -633,7 +697,7 @@ sub end_polygon {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
- $target eq 'analyze') {
+ $target eq 'analyze' || $target eq 'answer') {
my $name = $Apache::imageresponse::curname;
my $area = &Apache::lonxml::endredirection;
$area=~s/\s*//g;