--- loncom/homework/optionresponse.pm	2001/02/07 00:28:33	1.2
+++ loncom/homework/optionresponse.pm	2001/12/04 15:17:56	1.27
@@ -1,95 +1,197 @@
 # The LearningOnline Network with CAPA
 # option list style responses
-
+#
+# $Id: optionresponse.pm,v 1.27 2001/12/04 15:17:56 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
 package Apache::optionresponse;
 use strict;
+use Apache::response;
 
 sub BEGIN {
   &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
 }
 
 sub start_optionresponse {
-  my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+  my $result='';
   #when in a radiobutton response use these
   &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
+  push (@Apache::lonxml::namespace,'optionresponse');
   my $id = &Apache::response::start_response($parstack,$safeeval);
-  return '';
+  if ($target eq 'edit') {
+    $result.=&Apache::edit::start_table($token).
+      "<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') {
+    my $constructtag=&Apache::edit::get_new_args($token,$parstack,
+						 $safeeval,'max');
+    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
+  }
+  if ($target eq 'meta') {
+    $result=&Apache::response::meta_package_write('optionresponse');
+  }
+  return $result;
 }
 
 sub end_optionresponse {
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   &Apache::response::end_response;
-  return '';
+  pop @Apache::lonxml::namespace;
+  my $result;
+  if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
+  return $result;
 }
 
 %Apache::response::foilgroup={};
 sub start_foilgroup {
-  %Apache::response::foilgroup={};
-  return '';
-}
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
 
-sub setrandomnumber {
-  my $rndseed=&Apache::lonnet::rndseed();
-  $rndseed=unpack("%32i",$rndseed);
-  $rndseed=$rndseed
-    +&Apache::lonnet::numval($Apache::inputtags::part)
-      +&Apache::lonnet::numval($Apache::inputtags::response['-1']);
-  srand($rndseed);
-  return '';
+  my $result='';
+  %Apache::response::foilgroup={};
+  $Apache::optionresponse::conceptgroup=0;
+  &Apache::response::setrandomnumber();
+  if ($target eq 'edit') {
+    my $optionlist="<option></option>\n";
+    my $option;
+    my @opt;
+    eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
+    my $count=1;
+    foreach $option (@opt) {
+      $optionlist.="<option value=\"$count\">$option</option>\n";
+      $count++;
+    }
+    my $insertlist=&Apache::edit::insertlist($target,$token);
+    $result.=&Apache::edit::start_table($token);
+    $result.= (<<ENDTABLE);
+      <tr><td>Select Options</td>
+        <td>
+	  Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
+        </td>
+        <td>Delete an Option:
+	  <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
+        </td>
+     </tr>
+     <tr><td colspan="3">$insertlist<br />
+ENDTABLE
+  }
+  if ($target eq 'modified') {
+    my @options;
+    my $optchanged=0;
+    eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
+    if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {
+      my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};
+      &Apache::lonxml::debug("Deleting :$delopt:");
+      splice(@options,$delopt-1,1);
+      $optchanged=1;
+    }
+    if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {
+      my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};
+      if ($options[0]) {
+	push(@options,$newopt);
+      } else {
+	$options[0]=$newopt;
+      }
+      $optchanged=1;
+    }
+    if ($optchanged) {
+      $result = "<foilgroup options=\"(";
+      foreach my $option (@options) {
+	$option=~s/\'/\\\'/;
+	&Apache::lonxml::debug("adding option :$option:");
+	$result .="'".$option."',";
+      }
+      chop $result;
+      $result.=')">';
+    } # else nothing changed so just use the default mechanism
+  }
+  return $result;
 }
 
 sub end_foilgroup {
-  my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   
   my $result;
-  if ($target ne 'meta') {
+  if ($target eq 'grade' || $target eq 'web' || $target eq 'answer') {
     my $name;
-    &setrandomnumber();
     my ($count,$max) = &getfoilcounts($parstack,$safeeval);
     if ($count>$max) { $count=$max } 
     &Apache::lonxml::debug("Count is $count from $max");
-    my $args ='';
-    if ( $#$parstack > 0 ) { $args=$$parstack['-1']; }
     my @opt;
-    eval '@opt ='.&Apache::run::run("{$args;".'return $options}',$safeeval);
+    eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
+    &Apache::lonxml::debug("Options are $#opt");
     if ($target eq 'web') {
-      $result=&displayfoils($count,@opt);
+      $result.=&displayfoils($count,@opt);
+    } elsif ( $target eq 'answer') {
+      $result.=&displayanswers($count,@opt);
     } elsif ( $target eq 'grade') {
       if ( defined $ENV{'form.submitted'}) {
 	my @whichopt = &whichfoils($count);
 	my $temp=1;my $name;
-	my $allresponse;
+	my %responsehash;
 	my $right=0;
 	my $wrong=0;
+	my $ignored=0;
 	foreach $name (@whichopt) {
 	  my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
-	  $allresponse.="$response:";
+	  $responsehash{$name}=$response;
 	  if ( $response =~ /[^\s]/) {
-	    &Apache::lonxml::debug("submitted a $response<br>\n");
+	    &Apache::lonxml::debug("submitted a $response<br />\n");
 	    my $value=$Apache::response::foilgroup{$name.'.value'};
 	    if ($value eq $response) {$right++;} else {$wrong++;}
+	  } else {
+	    $ignored++;
 	  }
 	  $temp++;
 	}
 	my $id = $Apache::inputtags::response['-1'];
-	$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$allresponse;
-	&Apache::lonxml::debug("Got $right right and $wrong wrong");
-	if ($wrong==0) {
+	$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
+	&Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
+	if ($wrong==0 && $ignored==0) {
 	  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS';
 	} else {
 	  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT';
 	}
       }
     }
+  } elsif ($target eq 'edit') {
+    $result.=&Apache::edit::end_table();
   }
   return $result;
 }
 
 sub getfoilcounts {
   my ($parstack,$safeeval)=@_;
-  my $rrargs ='';
-  if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; }
-  my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval);
-  my $count = $#{ $Apache::response::foilgroup{'names'} };
+  my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
+  # +1 since instructors will count from 1
+  my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
   return ($count,$max);
 }
 
@@ -98,8 +200,9 @@ sub whichfoils {
   my @names = @{ $Apache::response::foilgroup{'names'} };
   my @whichopt =();
   while ((($#whichopt+1) < $max) && ($#names > -1)) {
-    my $aopt=int rand $#names;
-    &Apache::lonxml::debug("From $#names elms, picking $aopt");
+    &Apache::lonxml::debug("Have $#whichopt max is $max");
+    my $aopt=int(rand($#names+1));
+    &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
     $aopt=splice(@names,$aopt,1);
     &Apache::lonxml::debug("Picked $aopt");
     push (@whichopt,$aopt);
@@ -107,6 +210,19 @@ sub whichfoils {
   return @whichopt;
 }
 
+sub displayanswers {
+  my ($max,@opt)=@_;
+  my @names = @{ $Apache::response::foilgroup{'names'} };
+  my @whichopt = &whichfoils($max);
+  my $result=&Apache::response::answer_header('optionresponse');
+  foreach my $name (@whichopt) {
+    $result.=&Apache::response::answer_part('optionresponse',
+		     $Apache::response::foilgroup{$name.'.value'})
+  }
+  $result.=&Apache::response::answer_footer('optionresponse');
+  return $result;
+}
+
 sub displayfoils {
   my ($max,@opt)=@_;
   my @names = @{ $Apache::response::foilgroup{'names'} };
@@ -120,7 +236,7 @@ sub displayfoils {
   foreach $option (@opt) {
     $optionlist.="<option>$option</option>\n";
   }
-  if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
+  if (($Apache::lonhomework::history{"resource.$Apache::inputtags::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";
@@ -137,42 +253,110 @@ sub displayfoils {
   return $result."<br />";
 }
 
+
 sub start_conceptgroup {
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+  $Apache::optionresponse::conceptgroup=1;
+  %Apache::response::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>";
+    $result.="<tr><td colspan=\"3\">\n";
+  }
+  if ($target eq 'modified') {
+    my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
+    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
+  }
+  return $result;
 }
 
 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 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"};
+      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 'edit') {
+    $result=&Apache::edit::end_table();
+  }
+  return $result;
+}
+
+sub insert_conceptgroup {
+  my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
+  return $result;
 }
 
 sub start_foil {
-  my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
-  if ($target eq 'web') { 
-    $Apache::lonxml::redirection--; 
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+  my $result='';
+  if ($target eq 'web') {
+    &Apache::lonxml::startredirection;
+  } elsif ($target eq 'edit') {
+    $result=&Apache::edit::tag_start($target,$token,"Foil");
+    my $level='-2';
+    if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
+    my @opt;
+    eval '@opt ='.&Apache::lonxml::get_param('options',$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');
+    $result .= '</td></tr><tr><td colspan="3">';
+  } elsif ($target eq 'modified') {
+    my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'value','name');
+    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
   }
-  return '';
+  return $result;
 }
 
 sub end_foil {
-  my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
-  if ($target eq 'web' || $target eq 'grade') {
-    my $args ='';
-    if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
-    my $value = &Apache::run::run("{$args;".'return $value}',$safeeval);
+  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') {
+    my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
     if ($value ne 'unused') {
-      my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
-      push @{ $Apache::response::foilgroup{'names'} }, $name;
-      $Apache::response::foilgroup{"$name.value"} = $value;
-      $Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack;
+      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 ) {
+	push @{ $Apache::response::conceptgroup{'names'} }, $name;
+	$Apache::response::conceptgroup{"$name.value"} = $value;
+	$Apache::response::conceptgroup{"$name.text"} = $text;	
+      } else {
+	push @{ $Apache::response::foilgroup{'names'} }, $name;
+	$Apache::response::foilgroup{"$name.value"} = $value;
+	$Apache::response::foilgroup{"$name.text"} = $text;
+      }
     }
   }
-  if ($target eq 'web' ) {
-    $Apache::lonxml::redirection++;
-    if ($Apache::lonxml::redirection == 1) { 
-      $Apache::lonxml::outputstack=''; 
-    }
+  if ($target eq 'edit') {
+    $result.= &Apache::edit::tag_end($target,$token,'');
   }
-  return '';
+  return $result;
 }
 
+sub insert_foil {
+  return '
+<foil name="" value="unused">
+<startouttext />
+<endouttext />
+</foil>';
+}
 1;
 __END__