--- loncom/homework/externalresponse.pm	2008/11/20 14:37:37	1.15
+++ loncom/homework/externalresponse.pm	2013/08/22 10:13:34	1.21
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # external style responses
 #
-# $Id: externalresponse.pm,v 1.15 2008/11/20 14:37:37 jms Exp $
+# $Id: externalresponse.pm,v 1.21 2013/08/22 10:13:34 kruse Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -33,6 +33,12 @@ use strict;
 use HTTP::Request::Common;
 use Apache::loncapagrade;
 use Apache::lonnet;
+use Apache::lonlocal;
+use Apache::lonxml();
+use Apache::lonhtmlcommon;
+use Apache::loncommon;
+use Apache::lonnavmaps;
+use LONCAPA qw(:DEFAULT :match);
 
 BEGIN {
     &Apache::lonxml::register('Apache::externalresponse',('externalresponse'));
@@ -52,24 +58,115 @@ sub start_externalresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;
     my $id = &Apache::response::start_response($parstack,$safeeval);
-
     if ($target eq 'edit') {
   	$result .=&Apache::edit::tag_start($target,$token);
 	$result .=&Apache::edit::text_arg('URL:','url',$token,60).'<br />';
-	$result .=&Apache::edit::text_arg('Answer:','answer',$token);
-	$result .=&Apache::edit::text_arg('Form:','form',$token);
+	$result .=&Apache::edit::text_arg(&mt('Answer:'),'answer',$token);
+	$result .=&Apache::edit::text_arg(&mt('Form:'),'form',$token).'<br />';
+        $result .=&Apache::edit::text_arg(&mt('Answer display:'),'answerdisplay',$token,80);
 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {
 	my $constructtag =
 	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
-					'answer','form','url');
+					'answerdisplay','answer','form','url');
 	if ($constructtag) {
 	    $result = &Apache::edit::rebuild_tag($token);
 	}
     } elsif ($target eq 'meta') {
   	$result=&Apache::response::meta_package_write('externalresponse');
     }
-    
+    elsif ($target eq 'web' &&
+        $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
+        my $part= $Apache::inputtags::part;
+        my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
+        my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
+        my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
+        $uploadedfiletypes=~s/[^\w\,]//g;
+        my $maxfilesize=&Apache::lonnet::EXT("resource.$part".'_'."$id.maxfilesize");
+        if (!defined($maxfilesize)) {
+            $maxfilesize = 10.0; #FIXME This should become a domain configuration 
+        }
+            if($uploadedfiletypes){
+            my $hiddendraft;
+                if (($Apache::lonhomework::type eq 'survey') ||
+                    ($Apache::lonhomework::type eq 'surveycred') ||
+                    ($Apache::lonhomework::type eq 'anonsurvey') ||
+                    ($Apache::lonhomework::type eq 'anonsurveycred')) {
+                    $hiddendraft = '<input type="hidden" name="HWDRAFT'.$part.'_'.$id.'" value="yes" />';
+                } else {
+                    my $status_text = &mt('Submission type');
+                    if ($Apache::lonhomework::history{"resource.$part.award"} eq 'DRAFT') {
+                        $status_text .= '<br />'.&mt('(Currently -- draft)');
+                    }
+                    $result = &Apache::lonhtmlcommon::row_title($status_text);
+                    my $closure;
+                    unless ($ncol || $uploadedfiletypes) {
+                        $closure = 1;
+                    }
+                    $result.=
+                        '<label>'.
+                        '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked="checked" />&nbsp;'.
+                        &mt('Submit entries below as answer to receive credit').
+                        '</label> <br />'.
+                        '<label>'.
+                        '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no" />&nbsp;'.
+                        &mt('Save entries below (not submitted for credit yet)').
+                        '</label>'.
+                        &Apache::lonhtmlcommon::row_closure($closure);
+                }
+
+                if ($ncol > 0) {
+                    $result.= &Apache::lonhtmlcommon::row_title(&mt('Collaborators')).
+                          '<label>'.
+                          &mt('Collaborators:').' <input type="text" size="70" max="80" name="HWCOL'.
+                          $part.'_'.$id.'" value="'.$coll.'" /><br />'.
+                          &mt('Enter a maximum of [quant,_1,collaborator] using username or username:domain, e.g. smithje or smithje:[_2].',$ncol,$env{'user.domain'});
+                    if ($ncol > 1) {
+                        $result .= '<br />'.&mt('If entering more than one, use spaces to separate the collaborators.');
+	            }
+                    $result .= '</label><br />';
+                    $result .= &Apache::essayresponse::check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
+                    $result .= &Apache::lonhtmlcommon::row_closure();
+                }
+                my $filesfrom = 'both';
+                my $stuname = &Apache::lonnet::EXT('user.name');
+                my $studom = &Apache::lonnet::EXT('user.domain');
+                if (!&Apache::lonnet::usertools_access($stuname,$studom,'portfolio')) {
+                $filesfrom = 'uploadonly';
+                }
+                $result.=&Apache::inputtags::file_selector($part,$id,$uploadedfiletypes,
+                                                   $filesfrom,undef,$maxfilesize);
+                if ($result) {
+                    $result =
+                        '<div>'.$hiddendraft.
+                        &Apache::lonhtmlcommon::start_pick_box().
+                        $result.
+                        &Apache::lonhtmlcommon::end_pick_box().'</div>';
+                } else {
+                    $result = $hiddendraft;
+                }
+        }
+    } elsif ($target eq 'web' &&
+             $Apache::inputtags::status[-1] ne 'CAN_ANSWER') {
+        my $part= $Apache::inputtags::part;
+        my @msgs;
+        if ($Apache::lonhomework::history{"resource.$part.$id.collaborators"} =~ /\S/) {
+            my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
+            $result .= '<td><i>'.&mt('Collaborated with [_1]',$coll).'</i></td>';
+        }
+
+        my $current_files_display = &Apache::inputtags::current_file_submissions($part,$id);
+        if ($current_files_display) {
+            $result .= '<td><b>'.&mt('Submitted files:').'</b><br />'.
+                       $current_files_display.'</td>';
+        }
+
+        if ($result ne '') {
+            $result =
+                '<table class="LC_pastsubmission"><tr>'.$result.
+                '</tr></table>';
+        }
+    } 
     return $result;
 }
 
@@ -80,11 +177,80 @@ sub end_externalresponse {
     my $id = $Apache::inputtags::response['-1'];
     my $increment     = 1;
     if ($target eq 'grade') {
+        my $collaborators = $env{'form.HWCOL'.$part.'_'.$id};
+        my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
+        if ($collaborators ne $previous_list) {
+#          &Apache::lonnet::logthis("New collaborators [$collaborators] [$previous_list]");
+           $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators;
+        }
 	if (  &Apache::response::submitted('scantron') ) {
 	    my $increment=&Apache::response::scored_response($part,$id);
 	} elsif ( &Apache::response::submitted() ) {
+            my $response      = $env{'form.HWVAL_'.$id};
+            my $jspart=$part;
+            $jspart=~s/\./_/g;
+            my $filename = $env{'form.HWFILE'.$jspart.'_'.$id.'.filename'} ||
+                           $env{'form.HWFILETOOBIG'.$part.'_'.$id};
+            my $portfiles = $env{'form.HWPORT'.$jspart.'_'.$id};
+            my @deletions = &Apache::loncommon::get_env_multiple('form.HWFILE'.$jspart.'_'.$id.'_delete');
+            my ($is_submit,$was_draft);
+            if ($env{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
+                 $is_submit = 1;
+            }
+            if ($Apache::lonhomework::history{"resource.$part.award"} eq 'DRAFT') {
+                $was_draft = 1;
+            }
+            if (($response =~ /[^\s]/) || ($filename =~ /[^\s]/) || ($portfiles =~ /[^\s]/) ||
+                (@deletions > 0) || ($was_draft && $is_submit)) {
+                my $award='DRAFT';
+                if ($env{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
+                    if ($Apache::lonhomework::type eq 'anonsurvey') {
+                        $award='ANONYMOUS';
+                    } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
+                        $award='ANONYMOUS_CREDIT';
+                    } elsif ($Apache::lonhomework::type eq 'surveycred') {
+                        $award='SUBMITTED_CREDIT';
+                    } else {
+                        $award='SUBMITTED';
+                    }
+                }
+                my $uploadedflag=0;
+                my $totalsize=0;
+                &Apache::essayresponse::file_submission($part,$id,\$award,\$uploadedflag,\$totalsize,\@deletions);
+                $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
+                $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
+                my %previous=&Apache::response::check_for_previous($response,$part,$id);
+                if ($uploadedflag) {
+                    if ($award eq 'FILENAME_INUSE') {
+                        delete($Apache::lonhomework::results{"resource.$id.tries"});
+                    }
+                } else {
+                    &Apache::response::handle_previous(\%previous,$award);
+                }
+                if ($award eq 'SUBMITTED') {
+                    my ($symb,$crsid,$domain,$name)=
+                        &Apache::lonnet::whichuser();
+                    if ($crsid) {
+                        my $akey=join('.',&escape($name),&escape($domain),
+                                      &escape($crsid));
+                        my $essayurl=
+                            &Apache::lonnet::declutter($ENV{'REQUEST_URI'});
+                        my ($adom,$aname,$apath)=
+                            ($essayurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\/(.*)$/);
+                        $apath=&escape($apath);
+                        $apath=~s/\W/\_/gs;
+                        &Apache::lonnet::put('nohist_essay_'.$apath,
+                                         { $akey => $response },$adom,$aname);
+                    }
+                }
+            }
 	    my $response = &Apache::response::getresponse();
-	    if ( $response =~ /[^\s]/) {
+            my $filestest;
+            my $fileshistory = $Apache::lonhomework::history{"resource.$part.$id.portfiles"};
+            $fileshistory .=   $Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
+            my $filesresults = $Apache::lonhomework::results{"resource.$part.$id.portfiles"};
+            $filesresults .=   $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"};
+	    if (( $response =~ /[^\s]/) ||  $filesresults || $fileshistory) {
 		my $url = &Apache::lonxml::get_param('url',$parstack,$safeeval);
 		my $answer = &Apache::lonxml::get_param('answer',$parstack,$safeeval);
 		my %form = &Apache::lonxml::get_param_var('form',$parstack,$safeeval);
@@ -92,8 +258,14 @@ sub end_externalresponse {
 		$form{'LONCAPA_correct_answer'}=$answer;
 		$form{'LONCAPA_language'}=
 		    &Apache::lonnet::metadata($ENV{'REQUEST_URI'},'language');
+                $form{'LONCAPA_student_submitted_files_results'} = $filesresults;
+                $form{'LONCAPA_student_submitted_files_history'} = $fileshistory;
 		&Apache::lonxml::debug("Asking $url, with:");
 		&Apache::lonhomework::showhash(%form);
+                my $udom = &Apache::lonnet::EXT('user.domain');
+                my $uname = &Apache::lonnet::EXT('user.name');
+                my $symb = $env{'resource.symb'};
+                my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
 		my $ua = LWP::UserAgent->new;
 		my $res = $ua->request(POST $url, \%form);
 		my %previous = &Apache::response::check_for_previous($response,
@@ -113,8 +285,13 @@ sub end_externalresponse {
 		    $Apache::lonhomework::results{"resource.$part.$id.$key"}=
 			$Apache::loncapagrade::results{$key};
 		}
+                $Apache::externalresponse::message=$Apache::loncapagrade::results{'message'};
 		&Apache::response::handle_previous(\%previous,
 						   $Apache::loncapagrade::results{'awarddetail'});
+                if ($Apache::loncapagrade::results{'awarddetail'} eq 'ASSIGNED_SCORE') {
+                   $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
+                        1.*$Apache::loncapagrade::results{"awarded"};
+                }
 		&Apache::lonxml::debug("response of");
 		&Apache::lonhomework::showhash(%$res);
 		&Apache::lonxml::debug("capagrade of");
@@ -122,10 +299,23 @@ sub end_externalresponse {
 		&Apache::lonxml::debug("results of");
 		&Apache::lonhomework::showhash(%Apache::lonhomework::results);
 	    }
-	}
+        }
     }
-    if ($target eq 'web') {
-	&Apache::response::setup_prior_tries_hash(\&format_prior_response);
+    if ($target eq 'web')  {
+        &Apache::response::setup_prior_tries_hash(\&Apache::essayresponse::format_prior_response,
+                                                  ['portfiles',
+                                                   'uploadedurl']);
+        if (&Apache::response::show_answer()) {
+           $result.='<table border="1"><tr><th>'.&mt('Your answer:').'</th></tr><tr><td><pre>'.
+                    $Apache::lonhomework::history{"resource.$part.$id.submission"}.
+                    '</pre></td></table><br />'.&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval).
+                    '<br />';
+        }
+        if ($Apache::externalresponse::message) {
+           $result.='<br /><table><tr><td bgcolor="#FFFFAA">'.$Apache::externalresponse::message.'</td></tr></table><br />';
+        }
+        $Apache::externalresponse::message='';
+
     }
 
     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
@@ -137,16 +327,18 @@ sub end_externalresponse {
 	    &Apache::lonhomework::set_bubble_lines();
 	}
     }
+    elsif ($target eq 'edit') {
+        $result.=&Apache::edit::end_table();
+
+    } elsif ($target eq 'tex'
+             && $Apache::lonhomework::type eq 'exam') {
+        $result .= &Apache::inputtags::exam_score_line($target);
+
+    } 
     &Apache::response::end_response();
     return $result;
 }
 
-sub format_prior_response {
-    my ($mode,$answer) =@_;
-    return '<span class="LC_prior_external">'.
-	    &HTML::Entities::encode($answer,'"<>&').'</span>';
-}
-
 1;
 __END__
 
@@ -172,8 +364,6 @@ described at http://www.lon-capa.org.
 
 =item end_externalresponse()
 
-=item format_prior_response()
-
 =back
 
-=cut
\ No newline at end of file
+=cut