--- loncom/homework/chemresponse.pm	2005/02/22 21:33:27	1.49
+++ loncom/homework/chemresponse.pm	2014/02/13 18:13:22	1.93
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # chemical equation style response
 #
-# $Id: chemresponse.pm,v 1.49 2005/02/22 21:33:27 albertel Exp $
+# $Id: chemresponse.pm,v 1.93 2014/02/13 18:13:22 bisitz Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -30,6 +30,10 @@ package Apache::chemresponse;
 use strict;
 use Apache::lonxml;
 use Apache::lonnet;
+use Apache::lonlocal;
+use lib '/home/httpd/lib/perl/';
+use LONCAPA;
+ 
 
 BEGIN {
     &Apache::lonxml::register('Apache::chemresponse',('organicresponse','organicstructure','reactionresponse','chem'));
@@ -63,7 +67,7 @@ sub chem_standard_order {
 }
 
 sub separate_jme_window {
-    my ($smile_input,$jme_input,$molecule,$options)=@_;
+    my ($smile_input,$jme_input,$molecule,$options,$shown_text)=@_;
     my $smilesection;
     if (defined($smile_input)) {
 	$smilesection=<<SMILESECTION;
@@ -80,10 +84,13 @@ JMESECTION
     }
 
     if ($molecule) { $molecule='<param name="jme" value="'.$molecule.'" />'; }
-    my $body=<<CHEMPAGE;
-<html>
-<head>
-<title>Molecule Editor</title>
+    my $insert_answer;
+    if ($shown_text eq '') { 
+	$insert_answer=
+	    '<input type="button" name="submit" value="'.&mt('Insert Answer').'" onclick="javascript:submitSmiles();" />';
+    }
+
+    my $js = <<CHEMJS;
 <script type="text/javascript">
 function submitSmiles() {
     jmeFile = document.applets.JME.jmeFile();
@@ -98,33 +105,102 @@ function submitSmiles() {
 function openHelpWindow() {
     window.open("/adm/jme/jme_help.html","","scrollbars=yes,resizable=yes,width=500,height=600");
 }
+function substituent(r) {document.applets.JME.setSubstituent(r);}
 </script>
-</head>
-<body bgcolor="#ffffff">
+CHEMJS
+
+    my $start_page = 
+        &Apache::loncommon::start_page('Molecule Editor',undef,
+				       {'only_body' => 1,
+					'js_ready'  => 1,
+					'bgcolor'   => '#FFFFFF',});
+    my $end_page =
+ 	&Apache::loncommon::end_page({'js_ready' => 1,});
+    my $java_not_enabled=&Apache::lonhtmlcommon::java_not_enabled();
+    my %lt = &Apache::lonlocal::texthash(
+        'seltext' => 'Select substituent...',
+        'close'   => 'Close',
+        'help'    => 'Help',
+       );
+    my $body=<<CHEMPAGE;
+$js
 <center>
-<applet code="JME.class" name="JME" archive="/adm/jme/JME.jar" width="440" height="390">
-You have to enable Java and JavaScript on your machine.
+<form action="">
+  <table width="440"><tr>
+    <td></td>
+    <td align="right">
+      <select onchange="javascript:substituent(options[selectedIndex].text)">
+        <option>$lt{'seltext'}</option>
+        <option>-C(=O)OH</option>
+        <option>-C(=O)OMe</option>
+        <option>-OC(=O)Me</option>
+        <option>-CMe3</option>
+        <option>-CF3</option>
+        <option>-CCl3</option>
+        <option>-NO2</option>
+        <option>-SO2-NH2</option>
+        <option>-NH-SO2-Me</option>
+        <option>-NMe2</option>
+        <option>-C#N</option>
+        <option>-C#C-Me</option>
+        <option>-C#CH</option>
+      </select>
+    </td></tr>
+  </table>
+<applet code="JME.class" name="JME" archive="/adm/jme/JME.jar" width="440" height="390" mayscript>
+$java_not_enabled
 $molecule
 <param name="options" value="$options" />
 </applet><br />
 <font face="arial,helvetica,sans-serif" size="-1"><a href="http://www.molinspiration.com/jme/index.html">JME Editor</a> courtesy of Peter Ertl, Novartis</font>
-<form>
-<input type="button" name="submit" value="Insert Answer" onclick = "submitSmiles();" />
 <br />
-<input type="button" value="  Close  " onclick = "window.close()" />
+$insert_answer
+<br />
+<input type="button" value="$lt{'close'}" onclick="javascript:window.close()" />
 &nbsp;&nbsp;
-<input type="button" value="  Help  " onclick = "openHelpWindow()" />
+<input type="button" value="$lt{'help'}" onclick="javascript:openHelpWindow()" />
 </form>
 </center>
-</body>
-</html>
 CHEMPAGE
-    $body=&HTML::Entities::encode($body,'<>&"');
-    $body=~s/\n/ /g;
+
+    $body=&Apache::loncommon::js_ready($body);
+    my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
     my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
+    my $display=&mt('Draw Molecule');
+    if (defined($shown_text)) { $display=&mt($shown_text); }
+    my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
+    my $function = 
+	'LONCAPA_draw_molecule_'.&get_uniq_name();
     my $result=<<CHEMINPUT;
-<input type="button" value="Draw Molecule" onclick="javascript:editor=window.open('/rat/adm/empty.html','jmeedit','width=500,height=500,menubar=yes,scrollbars=no,resizable=yes');editor.$docopen;editor.document.write('$body');editor.document.close();editor.focus()" />
+<script type="text/javascript">
+    function $function() {
+	editor=window.open($nothing,'jmeedit','width=500,height=500,menubar=no,scrollbars=no,resizable=yes');
+	editor.$docopen;
+	editor.document.write('$start_page $body $end_page');
+	editor.document.close();
+	editor.focus();
+    }
+</script>
 CHEMINPUT
+    if ($shown_text eq '') {
+        $result .=<<PENCIL; 
+<a href="javascript:$function();void(0);"><img class="stift" src='$iconpath/stift.gif' alt='$display' title='$display' /></a>
+PENCIL
+    } else {
+        $result .= '<input type="button" value="'.&mt($shown_text).'" onclick="javascript:'.$function.'();void(0);" />';
+    }
+    return $result;
+}
+sub jme_img {
+    my ($jme,$smile,$width,$options)=@_;
+    my $id=&Apache::loncommon::get_cgi_id();
+    my $result='<img alt="'.$smile.'" src="/cgi-bin/convertjme.pl?'.$id.'"';
+    if ($options =~ /border/) { $result.= ' border="1"'; }
+    $result.=' />';
+    &Apache::lonnet::appenv({'cgi.'.$id.'.JME'   =>
+			     &escape($jme),
+			     'cgi.'.$id.'.PNG'   => 1,
+			     'cgi.'.$id.'.WIDTH' => $width});
     return $result;
 }
 
@@ -136,32 +212,21 @@ sub start_organicresponse {
     if ($target eq 'meta') {
 	$result=&Apache::response::meta_package_write('organicresponse');
     } elsif ($target eq 'web') {
-	if (  &Apache::response::show_answer() ) {
-	    my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
+	my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
+						 $safeeval);
+	if (&Apache::response::show_answer()) {
+            my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
+                                                     $safeeval);
+            if ($jmeanswer ne '') {
+	        my $options=&Apache::lonxml::get_param('options',$parstack,
+	    					       $safeeval);
+	        my $width=&Apache::lonxml::get_param('width',$parstack,
 						     $safeeval);
-	    my $options=&Apache::lonxml::get_param('options',$parstack,
-						   $safeeval);
-	    my $width=&Apache::lonxml::get_param('width',$parstack,
-						   $safeeval);
-	    my $id=&Apache::loncommon::get_cgi_id();
-	    $result="<img src='/cgi-bin/convertjme.pl?$id'";
-	    if ($options =~ /border/) { $result.= ' border="1"'; }
-	    $result.=' />';
-	    &Apache::lonnet::appenv('cgi.'.$id.'.JME'   =>
-				           &Apache::lonnet::escape($jmeanswer),
-				    'cgi.'.$id.'.PNG'   => 1,
-				    'cgi.'.$id.'.WIDTH' => $width);
+	        my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
+							     $safeeval);
+	        $result.=&jme_img($jmeanswer,$answers[0],$width,$options);
+            }
 	} else {
-	    my $molecule;
-	    if (defined($Apache::lonhomework::history{"resource.$partid.$id.molecule"})) {
-		$molecule=$Apache::lonhomework::history{"resource.$partid.$id.molecule"};
-	    } else {
-		$molecule=&Apache::lonxml::get_param('molecule',$parstack,
-						     $safeeval);
-	    }
-	    my $options=&Apache::lonxml::get_param('options',$parstack,
-						   $safeeval);
-	    $result=&separate_jme_window("HWVAL_$id","MOLECULE_$id",$molecule,$options);
 	    $result.= '<input type="hidden" name="MOLECULE_'.$id.'" value="" />';
 	}
     } elsif ($target eq 'edit') {
@@ -169,7 +234,7 @@ sub start_organicresponse {
 	my $options=&Apache::lonxml::get_param('options',$parstack,
 					       $safeeval);
 	if ($options !~ /multipart/) { $options.=',multipart'; }
-	$result .='<nobr>'.
+	$result .='<span class="LC_nobreak">'.
 	    &Apache::edit::text_arg('Starting Molecule:','molecule',
 				    $token,40);
 	my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
@@ -177,17 +242,19 @@ sub start_organicresponse {
 	$result .=&separate_jme_window(undef,
 		      &Apache::edit::html_element_name('molecule'),
 		      $molecule,$options);
-	$result .='</nobr><br /><nobr>';
+	$result .='</span><br /><span class="LC_nobreak">';
 	$result .=&Apache::edit::text_arg('Correct Answer:','answer',
 					  $token,40);
-	$result .=&Apache::edit::hidden_arg('jmeanswer',$token);
+	$result .='</span><br /><span class="LC_nobreak">';
+	$result .=&Apache::edit::text_arg('JME string of the answer - automatically updated by "Insert Answer" in the JME pop-up (click pencil):',
+					  'jmeanswer',$token);
 	my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
 						 $safeeval);
 	$result .=&separate_jme_window(
                       &Apache::edit::html_element_name('answer'),
                       &Apache::edit::html_element_name('jmeanswer'),
 		      $jmeanswer,$options);
-	$result .='</nobr><br />';
+	$result .='</span><br />';
 	$result .=&Apache::edit::checked_arg('Options:','options',
 				    [ ['autoez','Auto E,Z stereochemistry'],
 				      ['multipart','Multipart Structures'],
@@ -205,18 +272,30 @@ sub start_organicresponse {
 						     'options','width');
 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
     }
+
     return $result;
 }
 
 sub end_organicresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;
-    if ($target eq 'grade' && &Apache::response::submitted()) {
+
+    my $partid = $Apache::inputtags::part;
+    my $id = $Apache::inputtags::response['-1'];
+
+    if ($target eq 'grade' 
+	&& &Apache::response::submitted()
+	&& $Apache::lonhomework::type eq 'exam') {
+
+	&Apache::response::scored_response($partid,$id);
+
+    } elsif ($target eq 'grade' 
+	&& &Apache::response::submitted()
+	&& $Apache::lonhomework::type ne 'exam') {
+
 	&Apache::response::setup_params($$tagstack[-1],$safeeval);
 	my $response = &Apache::response::getresponse();
 	if ( $response =~ /[^\s]/) {
-	    my $partid = $Apache::inputtags::part;
-	    my $id = $Apache::inputtags::response['-1'];
 	    my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
 	    my %previous = &Apache::response::check_for_previous($response,$partid,$id);
 	    $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
@@ -230,12 +309,20 @@ sub end_organicresponse {
 		    $ad='INCORRECT';
 		}
 	    }
-	    if ($ad && $Apache::lonhomework::type eq 'survey') {
-		$ad='SUBMITTED';
-	    }
+            if ($ad) {
+	        if ($Apache::lonhomework::type eq 'survey') {
+		    $ad='SUBMITTED';
+                } elsif ($Apache::lonhomework::type eq 'surveycred') {
+                    $ad='SUBMITTED_CREDIT';
+                } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
+                    $ad='ANONYMOUS';
+                } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
+                    $ad='ANONYMOUS_CREDIT';
+                }
+            }
 	    &Apache::response::handle_previous(\%previous,$ad);
 	    $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
-	    $Apache::lonhomework::results{"resource.$partid.$id.molecule"}=$ENV{"form.MOLECULE_$id"};
+	    $Apache::lonhomework::results{"resource.$partid.$id.molecule"}=$env{"form.MOLECULE_$id"};
 	}
     } elsif ($target eq "edit") {
 	$result.= &Apache::edit::tag_end($target,$token,'');
@@ -248,7 +335,56 @@ sub end_organicresponse {
 	}
 	$result.=&Apache::response::answer_footer('organicresponse');
     }
-    &Apache::response::end_response;
+    if ($target eq 'web') {
+	&Apache::response::setup_prior_tries_hash(\&format_prior_answer_organic,
+						  ['molecule'])
+    }
+
+    if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 
+	$target eq 'tex' || $target eq 'analyze') {
+        my $repetition = &Apache::response::repetition();
+	&Apache::lonxml::increment_counter($repetition,"$partid.$id"); # part.response
+	if ($target eq 'analyze') {
+            $Apache::lonhomework::analyze{"$partid.$id.type"} = 'organicresponse';
+            push (@{ $Apache::lonhomework::analyze{"parts"} },"$partid.$id");
+	    &Apache::lonhomework::set_bubble_lines();
+	}
+    }
+    if ($target eq 'web' ) {
+        my ($showpencil,$shown_text);
+        if ($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') {
+            $showpencil = 1;
+        } elsif (&Apache::response::show_answer()) {
+            my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,                                                         $safeeval);
+            if ($jmeanswer eq '') {
+                $showpencil = 1;
+                $shown_text="Show Your Last Answer";
+            }
+        }
+        if ($showpencil) {
+            my $options=&Apache::lonxml::get_param('options',$parstack,
+                                                   $safeeval);
+
+	    my $molecule;
+	    if (defined($Apache::lonhomework::history{"resource.$partid.$id.molecule"})) {
+		$molecule=$Apache::lonhomework::history{"resource.$partid.$id.molecule"};
+	    } else {
+		$molecule=&Apache::lonxml::get_param('molecule',$parstack,
+						     $safeeval);
+	    }
+	    $result.=&separate_jme_window("HWVAL_$id","MOLECULE_$id",$molecule,
+                                          $options,$shown_text);
+        }
+    }
+    &Apache::response::end_response();
+    return $result;
+}
+
+sub format_prior_answer_organic {
+    my ($mode,$answer,$other_data) = @_;
+    my $result=&mt('Smile representation: [_1]','"<tt>'.$answer.'</tt>"');
+    my $jme=$other_data->[0];
+    $result.=&jme_img($jme,$answer,400);
     return $result;
 }
 
@@ -264,31 +400,36 @@ sub start_organicstructure {
 	if ($options =~ /border/) { $result.= ' border="1"'; }
 	$result.=' />';
 	&Apache::lonnet::appenv(
-            'cgi.'.$id.'.JME'   => &Apache::lonnet::escape($molecule),
-	    'cgi.'.$id.'.PNG' => 1,
-	    'cgi.'.$id.'.WIDTH' => $width );
+            {'cgi.'.$id.'.JME'   => &escape($molecule),
+	     'cgi.'.$id.'.PNG' => 1,
+	     'cgi.'.$id.'.WIDTH' => $width});
     } elsif ($target eq 'tex') {
 	my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval,undef,1);
+	my $webwidth=&Apache::lonxml::get_param('width', $parstack, $safeeval);
+	my $webheight=&Apache::lonxml::get_param('height', $parstack, $safeeval);
+	if (!$webheight) { $webheight = $webwidth; }
 	if (!$texwidth) { $texwidth='90'; }
+	$result = "%DYNAMICIMAGE:$webwidth:$webheight:$texwidth\n";
 	my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
 	my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
-	my $filename = $ENV{'user.name'}.'_'.$ENV{'user.domain'}.
+	my $filename = $env{'user.name'}.'_'.$env{'user.domain'}.
 	    '_'.time.'_'.$$.int(rand(1000)).'_organicstructure';
 	my $id=$filename;
 	&Apache::lonnet::appenv(
-		     'cgi.'.$id.'.JME'   => &Apache::lonnet::escape($molecule),
-		     'cgi.'.$id.'.PS' => 1,
-		     'cgi.'.$id.'.WIDTH' => $texwidth );
-	$id=&Apache::lonnet::escape($id);
+		     {'cgi.'.$id.'.JME'   => &escape($molecule),
+		      'cgi.'.$id.'.PS' => 1,
+		      'cgi.'.$id.'.WIDTH' => $texwidth});
+	$id=&escape($id);
 	&Apache::lonxml::register_ssi("/cgi-bin/convertjme.pl?$id");
 	if ($options =~ /border/) { $result.= '\fbox{'; }
-	$result .= '\graphicspath{{/home/httpd/perl/tmp/}}\includegraphics[width='.$texwidth.' mm]{'.$filename.'.eps}';
+	$result .= '\graphicspath{{'.LONCAPA::tempdir().
+	    '}}\includegraphics[width='.$texwidth.' mm]{'.$filename.'.eps}';
 	if ($options =~ /border/) { $result.= '} '; }
     } elsif ($target eq 'edit') {
 	$result .=&Apache::edit::tag_start($target,$token);
 	$result .=&Apache::edit::text_arg('Width (pixels):','width',$token,5);
 	$result .=&Apache::edit::text_arg('TeXwidth (mm):','texwidth',$token,5);
-	$result .='<nobr>';
+	$result .='<span class="LC_nobreak">';
 	$result .=&Apache::edit::text_arg('Molecule:','molecule',$token,40);
 	my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
 						$safeeval);
@@ -301,7 +442,7 @@ sub start_organicstructure {
 	$result .=&separate_jme_window(undef,
 				 &Apache::edit::html_element_name('molecule'),
 				       $molecule,$options);
-	$result.="</nobr><br />";
+	$result.="</span><br />";
 	$result .=&Apache::edit::checked_arg('Options:','options',
 					     [ ['reaction','Is a reaction'],
 					       ['border','Draw a border'] ],
@@ -328,21 +469,34 @@ sub end_organicstructure {
 
 sub edit_reaction_button {
     my ($id,$field,$reaction)=@_;
-    my $id_es=&Apache::lonnet::escape($id);
-    my $field_es=&Apache::lonnet::escape($field);
-    my $reaction_es=&Apache::lonnet::escape($reaction);
+    my $id_es=&escape($id);
+    my $field_es=&escape($field);
+    my $reaction_es=&escape($reaction);
     my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
+    my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
+    my $display=&mt('Edit Answer');
+    my $start_page = 
+	&Apache::loncommon::start_page('LON-CAPA Reaction Editor',undef,
+				       {'frameset'    => 1,
+					'js_ready'    => 1,
+					'add_entries' => {
+					    'rows'   => "30%,*",
+					    'border' => "0",}},);
+    my $end_page = 
+	&Apache::loncommon::end_page({'frameset' => 1,
+				      'js_ready' => 1});
     my $result=<<EDITREACTION;
 <script type="text/javascript">
 // <!--
     function create_reaction_window_${id}_${field} () {
 	editor=window.open('','','width=500,height=270,scrollbars=no,resizable=yes');
 	editor.$docopen;
-	editor.document.writeln('<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"><html> <head><title>LON-CAPA Reaction Editor</title></head><frameset rows="30%,*" border="0">  <frame src="/res/adm/pages/reactionresponse/reaction_viewer.html?inhibitmenu=yes" name="viewer" scrolling="no" />  <frame src="/res/adm/pages/reactionresponse/reaction_editor.html?inhibitmenu=yes&reaction=$reaction_es&id=$id_es&field=$field_es" name="editor" scrolling="no" /> </frameset> </html>');
+	editor.document.writeln('$start_page <frame src="/res/adm/pages/reactionresponse/reaction_viewer.html?inhibitmenu=yes" name="viewer" scrolling="no" />  <frame src="/res/adm/pages/reactionresponse/reaction_editor.html?inhibitmenu=yes&reaction=$reaction_es&id=$id_es&field=$field_es" name="editor" scrolling="no" /> $end_page');
+	editor.document.close();
     }
 // -->
 </script>
-<input type='button' value='Edit Answer' onclick="javascript:create_reaction_window_${id}_${field}();void(0);" />
+<a href="javascript:create_reaction_window_${id}_${field}();void(0);"><img class="stift" src='$iconpath/stift.gif' alt='$display' title='$display' /></a>
 EDITREACTION
     return $result;
 }
@@ -356,29 +510,25 @@ sub start_reactionresponse {
     } elsif ($target eq 'web') {
 	my $partid = $Apache::inputtags::part;
 	my $id = $Apache::inputtags::response['-1'];
-	my $reaction=$Apache::lonhomework::history{"resource.$partid.$id.submission"};
-	if ($reaction eq '') {  $reaction=&Apache::lonxml::get_param('initial',$parstack,$safeeval); }
-	my $status=$Apache::inputtags::status['-1'];
-	if ($status eq 'CAN_ANSWER') {
-	    $result.=&edit_reaction_button($id,"HWVAL_$id",$reaction);
-	}
 	if (  &Apache::response::show_answer() ) {
 	    my $ans=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
-	    $ans=~s/(\\|\')/\\$1/g;
-	    $Apache::inputtags::answertxt{$id}=&Apache::run::run("return &chemparse('$ans');",$safeeval);
+	    if (!$Apache::lonxml::default_homework_loaded) {
+		&Apache::lonxml::default_homework_load($safeeval);
+	    }
+	    @Apache::scripttag::parser_env = @_;
+	    $Apache::inputtags::answertxt{$id}=[&Apache::run::run("return &chemparse(q\0$ans\0);",$safeeval)];
 	}
     } elsif ($target eq "edit") {
 	$result .=&Apache::edit::tag_start($target,$token);
 	my $answer=&Apache::lonxml::get_param('answer',$parstack,
 						$safeeval);
-	$result .='<nobr>'.
+	$result .='<span class="LC_nobreak">'.
 	    &Apache::edit::text_arg('Answer:','answer',$token,40);
-	$result .=&edit_reaction_button($id,&Apache::edit::html_element_name('answer'),$answer).'</nobr>';
+	$result .=&edit_reaction_button($id,&Apache::edit::html_element_name('answer'),$answer).'</span>';
 	my $initial=&Apache::lonxml::get_param('initial',$parstack,$safeeval);
-	$result.='<nobr>'.
+	$result.='<span class="LC_nobreak">'.
 	    &Apache::edit::text_arg('Initial Reaction:','initial',$token,40);
-	$result .=&edit_reaction_button($id,&Apache::edit::html_element_name('initial'),$initial).'</nobr>';
-	
+	$result .=&edit_reaction_button($id,&Apache::edit::html_element_name('initial'),$initial).'</span>';
 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     }  elsif ($target eq 'modified') {
 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
@@ -392,12 +542,23 @@ sub start_reactionresponse {
 sub end_reactionresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;
-    if ($target eq 'grade' && &Apache::response::submitted()) {
+
+    my $partid = $Apache::inputtags::part;
+    my $id = $Apache::inputtags::response['-1'];
+
+    if ($target eq 'grade' 
+	&& &Apache::response::submitted()
+	&& $Apache::lonhomework::type eq 'exam') {
+
+	&Apache::response::scored_response($partid,$id);
+
+    } elsif ($target eq 'grade' 
+	&& &Apache::response::submitted()
+	&& $Apache::lonhomework::type ne 'exam') {
+
 	&Apache::response::setup_params($$tagstack[-1],$safeeval);
 	my $response = &Apache::response::getresponse();
 	if ( $response =~ /[^\s]/) {
-	    my $partid = $Apache::inputtags::part;
-	    my $id = $Apache::inputtags::response['-1'];
 	    my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
 	    my %previous = &Apache::response::check_for_previous($response,$partid,$id);
 	    $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
@@ -411,9 +572,17 @@ sub end_reactionresponse {
 		    $ad='INCORRECT';
 		}
 	    }
-	    if ($ad && $Apache::lonhomework::type eq 'survey') {
-		$ad='SUBMITTED';
-	    }
+            if ($ad) {
+                if ($Apache::lonhomework::type eq 'survey') {
+		    $ad='SUBMITTED';
+	        } elsif ($ad && $Apache::lonhomework::type eq 'surveycred') {
+                    $ad='SUBMITTED_CREDIT';
+                } elsif ($ad && $Apache::lonhomework::type eq 'anonsurvey') {
+                    $ad='ANONYMOUS';
+                } elsif ($ad && $Apache::lonhomework::type eq 'anonsurveycred') {
+                    $ad='ANONYMOUS_CREDIT';
+                }
+            }
 	    &Apache::response::handle_previous(\%previous,$ad);
 	    $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
 	}
@@ -429,10 +598,36 @@ sub end_reactionresponse {
 	}
 	$result.=&Apache::response::answer_footer('reactionresponse');
     }
-    &Apache::response::end_response;
+    if ($target eq 'web') {
+	&Apache::response::setup_prior_tries_hash(\&format_prior_response_reaction);
+    }
+
+    if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 
+	$target eq 'tex' || $target eq 'analyze') {
+	my $repetition = &Apache::response::repetition();
+        &Apache::lonxml::increment_counter($repetition,"$partid.$id");
+        if ($target eq 'analyze') {
+            $Apache::lonhomework::analyze{"$partid.$id.type"} = 'reactionresponse';
+            push (@{ $Apache::lonhomework::analyze{"parts"} },"$partid.$id");
+            &Apache::lonhomework::set_bubble_lines();
+        }
+    }
+    my $status=$Apache::inputtags::status['-1'];
+    if  (($target eq 'web') && ($Apache::lonhomework::type ne 'exam') && ($status eq 'CAN_ANSWER')) {
+        my $reaction=$Apache::lonhomework::history{"resource.$partid.$id.submission"};
+        if ($reaction eq '') {  $reaction=&Apache::lonxml::get_param('initial',$parstack,$safeeval); }
+        $result.=&edit_reaction_button($id,"HWVAL_$id",$reaction);
+    }
+    &Apache::response::end_response();
     return $result;
 }
 
+sub format_prior_response_reaction {
+    my ($mode,$answer) =@_;
+    return '<span class="LC_prior_reaction">'.
+	    &HTML::Entities::encode($answer,'"<>&').'</span>';
+}
+
 sub start_chem {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
     my $result = '';
@@ -454,5 +649,11 @@ sub end_chem {
     return $result;
 }
 
+my $uniq=0;
+sub get_uniq_name {
+    $uniq++;
+    return 'uniquename'.$uniq;
+}
+
 1;
 __END__