--- loncom/homework/optionresponse.pm	2001/12/04 14:57:31	1.26
+++ loncom/homework/optionresponse.pm	2002/05/03 19:32:57	1.39
@@ -1,38 +1,69 @@
 # The LearningOnline Network with CAPA
 # option list style responses
+#
+# $Id: optionresponse.pm,v 1.39 2002/05/03 19:32:57 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/
+#
 # 2/21 Guy
+# 01/18 Alex
 package Apache::optionresponse;
 use strict;
 use Apache::response;
 
-sub BEGIN {
+BEGIN {
   &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
 }
 
 sub start_optionresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result='';
-  #when in a radiobutton response use these
+  #when in a option response use these
   &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
   push (@Apache::lonxml::namespace,'optionresponse');
   my $id = &Apache::response::start_response($parstack,$safeeval);
   if ($target eq 'edit') {
     $result.=&Apache::edit::start_table($token).
-      "<tr><td>Multiple Option Response Question</td><td>Delete:".
+	"<tr><td>Multiple Option Response Question</td><td>Delete:".
 	&Apache::edit::deletelist($target,$token)
-	  ."</td><td>&nbsp;</td></tr><tr><td colspan=\"3\">\n";
-    $result.=&Apache::edit::text_arg('Max Number Of Foils:','max',$token,'4').
-      "</td></tr>";
-    $result.="<tr><td colspan=\"3\">\n";
-  }
-  if ($target eq 'modified') {
+	."</td><td>&nbsp;".
+        &Apache::edit::end_row().
+        &Apache::edit::start_spanning_row().
+        "\n";
+    $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
+        &Apache::edit::end_row().
+	&Apache::edit::start_spanning_row();
+  } elsif ($target eq 'modified') {
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,
 						 $safeeval,'max');
     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
-  }
-  if ($target eq 'meta') {
+  } elsif ($target eq 'meta') {
     $result=&Apache::response::meta_package_write('optionresponse');
+  } elsif ($target eq 'analyze') {
+    my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
+    push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
   }
+#  if ($target eq 'tex') {$result .= '\begin{enumerate}';}
   return $result;
 }
 
@@ -40,8 +71,10 @@ sub end_optionresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   &Apache::response::end_response;
   pop @Apache::lonxml::namespace;
+  &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
   my $result;
   if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
+#  if ($target eq 'tex') {$result .= '\end{enumerate}';}
   return $result;
 }
 
@@ -72,10 +105,10 @@ sub start_foilgroup {
         </td>
         <td>Delete an Option:
 	  <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
-        </td>
-     </tr>
-     <tr><td colspan="3">$insertlist<br />
 ENDTABLE
+    $result.= &Apache::edit::end_row();
+    $result.= &Apache::edit::start_spanning_row();
+    $result.= $insertlist.'<br />';
   }
   if ($target eq 'modified') {
     my @options;
@@ -107,6 +140,7 @@ ENDTABLE
       $result.=')">';
     } # else nothing changed so just use the default mechanism
   }
+  if ($target eq 'tex') {$result .= '\begin{enumerate}';}
   return $result;
 }
 
@@ -114,7 +148,7 @@ sub end_foilgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   
   my $result;
-  if ($target eq 'grade' || $target eq 'web' || $target eq 'answer') {
+  if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
     my $name;
     my ($count,$max) = &getfoilcounts($parstack,$safeeval);
     if ($count>$max) { $count=$max } 
@@ -122,10 +156,22 @@ sub end_foilgroup {
     my @opt;
     eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
     &Apache::lonxml::debug("Options are $#opt");
-    if ($target eq 'web') {
-      $result.=&displayfoils($count,@opt);
+    if ($target eq 'web' || $target eq 'tex') {
+      $result.=&displayfoils($target,$count,@opt);
     } elsif ( $target eq 'answer') {
       $result.=&displayanswers($count,@opt);
+    } elsif ( $target eq 'analyze') {
+      my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
+      foreach my $name (@{ $Apache::response::foilgroup{'names'} }) {
+	if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; }
+	push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name);
+	$Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
+	  $Apache::response::foilgroup{"$name.value"};
+	$Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
+	  $Apache::response::foilgroup{"$name.text"};
+      }
+      push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
+      push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} },&whichfoils($count));
     } elsif ( $target eq 'grade') {
       if ( defined $ENV{'form.submitted'}) {
 	my @whichopt = &whichfoils($count);
@@ -138,27 +184,43 @@ sub end_foilgroup {
 	  my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
 	  $responsehash{$name}=$response;
 	  if ( $response =~ /[^\s]/) {
-	    &Apache::lonxml::debug("submitted a $response<br />\n");
 	    my $value=$Apache::response::foilgroup{$name.'.value'};
+	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
 	    if ($value eq $response) {$right++;} else {$wrong++;}
 	  } else {
 	    $ignored++;
 	  }
 	  $temp++;
 	}
+	my $part=$Apache::inputtags::part;
 	my $id = $Apache::inputtags::response['-1'];
-	$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
+	my $responsestr=&Apache::lonnet::hash2str(%responsehash);
+	my %previous=&Apache::response::check_for_previous($responsestr,
+							   $part,$id);
 	&Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
+	my $ad;
 	if ($wrong==0 && $ignored==0) {
-	  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS';
+	  $ad='EXACT_ANS';
+	} elsif ($wrong==0 && $right==0) {
+	  #nothing submitted
 	} else {
-	  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT';
+	  if ($ignored==0) {
+	    $ad='INCORRECT';
+	  } else {
+	    $ad='MISSING_ANSWER';
+	  }
 	}
+	$Apache::lonhomework::results{"resource.$part.$id.submission"}=
+	  $responsestr;
+	$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
+	  $ad;
+	&Apache::response::handle_previous(\%previous,$ad);
       }
     }
   } elsif ($target eq 'edit') {
     $result.=&Apache::edit::end_table();
-  }
+  }  
+  if ($target eq 'tex') {$result .= '\end{enumerate}';}
   return $result;
 }
 
@@ -167,6 +229,7 @@ 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);
 }
 
@@ -176,7 +239,12 @@ sub whichfoils {
   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 {
+      $aopt=int(rand($#names+1));
+    }
     &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
     $aopt=splice(@names,$aopt,1);
     &Apache::lonxml::debug("Picked $aopt");
@@ -199,33 +267,66 @@ sub displayanswers {
 }
 
 sub displayfoils {
-  my ($max,@opt)=@_;
+  my ($target,$max,@opt)=@_;
   my @names = @{ $Apache::response::foilgroup{'names'} };
   my @truelist;
   my @falselist;
   my $result;
   my $name;
+  $Apache::optionresponse::displayoptionintex=0;
   my @whichopt = &whichfoils($max);
-  my $optionlist="<option></option>\n";
-  my $option;
-  foreach $option (@opt) {
-    $optionlist.="<option>$option</option>\n";
-  }
-  if (($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/)  || ($Apache::inputtags::status[-1] eq  'SHOW_ANSWER')) {
+  my $part=$Apache::inputtags::part;
+  my $id=$Apache::inputtags::response[-1];
+  if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/)  || ($Apache::inputtags::status[-1] eq  'SHOW_ANSWER')) {
     foreach $name (@whichopt) {
-      $result.="<br />".$Apache::response::foilgroup{$name.'.value'}.
-	":".$Apache::response::foilgroup{$name.'.text'}."\n";
+      if ($target eq 'web') {
+	  $result.="<br />";
+      } elsif ($target eq 'tex') {
+	$result.='\newline';
+      }
+      $result .=$Apache::response::foilgroup{$name.'.value'}.
+	  ":".$Apache::response::foilgroup{$name.'.text'}."\n";
     }
   } else {
     my $temp=1;
+    my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
     foreach $name (@whichopt) {
-      $result.="<br /><select name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\">"
-	.$optionlist
-	  ."</select>\n".$Apache::response::foilgroup{$name.'.text'}."\n";
-      $temp++;
+      my $lastopt=$lastresponse{$name};
+      my $optionlist="<option></option>\n";
+      my $option;
+      foreach $option (@opt) {
+	if ($option eq $lastopt) {
+	  $optionlist.="<option selected=\"on\">$option</option>\n";
+	} else {
+	  $optionlist.="<option>$option</option>\n";
+	}
+      }
+      if ($target ne 'tex') {
+	  $result.="<br /><select name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\">"
+	      .$optionlist
+		  ."</select>\n".$Apache::response::foilgroup{$name.'.text'}."\n";
+	  $temp++;
+      } else {
+	  if ($Apache::optionresponse::displayoptionintex == 0) {
+              my $durtyoptionlist = $optionlist;
+	      $durtyoptionlist =~ s/<option><\/option>/\\item \[\] The possible answers are:/;
+	      $durtyoptionlist =~ s/<option>/{\\bf /g;
+	      $durtyoptionlist =~ s/<\/option>/},/g;
+	      $durtyoptionlist =~ s/,$/\./g;
+	      $result.= $durtyoptionlist.$Apache::response::foilgroup{$name.'.text'};
+	      $Apache::optionresponse::displayoptionintex=1;
+	  } else {
+	      $result.= $Apache::response::foilgroup{$name.'.text'};
+	  }
+      } 
     }
+  } 
+  if ($target ne 'tex') {
+      return $result."<br />";
+  }
+  else {
+      return $result;
   }
-  return $result."<br />";
 }
 
 
@@ -236,8 +337,8 @@ sub start_conceptgroup {
   my $result;
   if ($target eq 'edit') {
     $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
-    $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50')."</td></tr>";
-    $result.="<tr><td colspan=\"3\">\n";
+    $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
+        &Apache::edit::end_row().&Apache::edit::start_spanning_row();
   }
   if ($target eq 'modified') {
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
@@ -250,21 +351,38 @@ sub end_conceptgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   $Apache::optionresponse::conceptgroup=0;
   my $result='';
-  if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
+  if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
+      || $target eq 'tex' || $target eq 'analyze') {
     #if not there aren't any foils to display and thus no question
     if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
       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.value"} =  $Apache::response::conceptgroup{"$name.value"};
-      $Apache::response::foilgroup{"$name.text"} =  $Apache::response::conceptgroup{"$name.text"};
+      $Apache::response::foilgroup{"$name.value"} =
+	$Apache::response::conceptgroup{"$name.value"};
+      $Apache::response::foilgroup{"$name.text"} =
+	$Apache::response::conceptgroup{"$name.text"};
       my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
       $Apache::response::foilgroup{"$name.concept"} = $concept;
       &Apache::lonxml::debug("Selecting $name in $concept");
+      if ($target eq 'analyze') {
+	my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
+        push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
+	      $concept);
+	$Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
+	  $Apache::response::conceptgroup{'names'};
+	foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
+	  push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
+		$name);
+	  $Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
+	    $Apache::response::conceptgroup{"$name.value"};
+	  $Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
+	    $Apache::response::conceptgroup{"$name.text"};
+	}
+      }
     }
-  }
-  if ($target eq 'edit') {
+  } elsif ($target eq 'edit') {
     $result=&Apache::edit::end_table();
   }
   return $result;
@@ -278,7 +396,7 @@ sub insert_conceptgroup {
 sub start_foil {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result='';
-  if ($target eq 'web') {
+  if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
     &Apache::lonxml::startredirection;
   } elsif ($target eq 'edit') {
     $result=&Apache::edit::tag_start($target,$token,"Foil");
@@ -288,11 +406,12 @@ sub start_foil {
     eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
     $result.=&Apache::edit::text_arg('Name:','name',$token);
     $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',(@opt)],$token,'15');
-    $result .= '</td></tr><tr><td colspan="3">';
+    $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
   } elsif ($target eq 'modified') {
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'value','name');
     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
-  }
+  } 
+  if ($target eq 'tex') {$result .= '\item ';}
   return $result;
 }
 
@@ -300,15 +419,19 @@ sub end_foil {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $text ='';
   my $result = '';
-  if ($target eq 'web') { $text=&Apache::lonxml::endredirection; }
-  if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
+  if ($target eq 'web' || $target eq 'tex') { 
+      $text=&Apache::lonxml::endredirection; 
+  }
+  if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' 
+      || $target eq 'tex' || $target eq 'analyze') {
     my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
     if ($value ne 'unused') {
       my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
       &Apache::lonxml::debug("Got a name of :$name:");
       if (!$name) { $name=$Apache::lonxml::curdepth; }
       &Apache::lonxml::debug("Using a name of :$name:");
-      if ( $Apache::optionresponse::conceptgroup ) {
+      if ( $Apache::optionresponse::conceptgroup
+	   && !&Apache::response::showallfoils() ) {
 	push @{ $Apache::response::conceptgroup{'names'} }, $name;
 	$Apache::response::conceptgroup{"$name.value"} = $value;
 	$Apache::response::conceptgroup{"$name.text"} = $text;