--- loncom/homework/hint.pm	2001/08/06 17:12:29	1.14
+++ loncom/homework/hint.pm	2001/08/06 20:33:23	1.15
@@ -1,136 +1,114 @@
-# The LON-CAPA hint handler.
-#
-# Handles the displaying of hints.
-#
-# YEAR=2000
-# 12/19,12/21 Guy Albertelli
-# YEAR=2001
-# 1/4,1/5,1/22,2/7,2/19,3/31,4/5,4/10,5/31,6/2 Guy Albertelli
-# 8/6 Scott Harrison
-
 package Apache::hinttags; 
 
 use strict;
 use Apache::lonnet;
 use capa;
 
-# ======================================================================= BEGIN
 sub BEGIN {
-  &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart',
-						'numericalhint'));
+  &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint'));
 }
 
-@Apache::hint::which = ();
 
-# ============================================================ Start hint group
+@Apache::hint::which=();
 sub start_hintgroup {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-    my $skiptoend = '0';
-    my $result;
-    if ($target eq 'web') {
-	my $id = $Apache::inputtags::part;
-	my $numtries = $Apache::lonhomework::history{"resource.$id.tries"};
-	if ( $numtries eq '') { $numtries = 0; }
-	my $hinttries = &Apache::lonnet::EXT("resource.$id.hinttries");
-	if ( $hinttries eq '') { $hinttries = 1; }
-	&Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
-	if ( $numtries < $hinttries ) {
-	    $skiptoend = '1';
-	} else {
-	    if ($target eq 'web') {
-		$result = '<table bgcolor="#dddddd"><tr><td>';
-	    }
-	}
-    }
-    if ($skiptoend) {
-	&Apache::lonxml::get_all_text("/hintgroup",$$parser[$#$parser]);
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+  my $skiptoend='0';
+  my $result;
+  
+  if ($target eq 'web') {
+    my $id=$Apache::inputtags::part;
+    my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
+    if ( $numtries eq '') { $numtries = 0; }
+    my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
+    if ( $hinttries eq '') { $hinttries = 1; }
+    &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
+    if ( $numtries < $hinttries ) {
+      $skiptoend='1';
+    } else {
+      if ($target eq 'web') {$result='<table bgcolor="#dddddd"><tr><td>';}
     }
-    @Apache::hint::which = ();
-    return $result;
+  }
+  if ($skiptoend) {
+    &Apache::lonxml::get_all_text("/hintgroup",$$parser[$#$parser]);
+  }
+  @Apache::hint::which=();
+  return $result;
 }
 
-# ============================================================== End hint group
 sub end_hintgroup {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-    my $result;
-    if ($target eq 'web') {
-	my $id = $Apache::inputtags::part;
-	my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
-	if ( $numtries eq '') { $numtries = 0; }
-	my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
-	if ( $hinttries eq '') { $hinttries = 1; }
-	&Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
-	if ( $numtries => $hinttries ) {
-	    if ($target eq 'web') {$result = '</td></tr></table>';}
-	}	
-    }
-    @Apache::hint::which = '';
-    return $result;
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+  my $result;
+
+  if ($target eq 'web') {
+    my $id=$Apache::inputtags::part;
+    my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
+    if ( $numtries eq '') { $numtries = 0; }
+    my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
+    if ( $hinttries eq '') { $hinttries = 1; }
+    &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
+    if ( $numtries => $hinttries ) {
+      if ($target eq 'web') {$result='</td></tr></table>';}
+    }	
+  }
+  @Apache::hint::which='';
+  return $result;
 }
 
-# ======================================================== Start numerical hint
 sub start_numericalhint {
-    #do everything in end, so intervening <responseparams> work
-    return '';
+  #do everything in end, so intervening <responseparams> work
+  return '';
 }
 
-# ========================================================== End numerical hint
 sub end_numericalhint {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-    my $result;
-    if ($target eq 'web') {
-	$safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
-	my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
-	my $response = $Apache::lonhomework::history{'resource.'.
-		       $Apache::inputtags::part.'.'.
-		       $Apache::inputtags::response['-1'].'.submission'};
-	&Apache::lonxml::debug("hintgroup is using $response<br />\n");
-	my $expression = "&caparesponse_check_list('".$response."','".
-  	                 $$parstack[$#$parstack].
-	                 ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.
-	                 ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.
-		         "');";
-	$result = &Apache::run::run($expression,$safeeval);
-	&Apache::lonxml::debug("$expression:result:$result:".
-			       $Apache::lonxml::curdepth);
-	my ($awards) = split /:/, $result;
-	my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
-	if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') {
-	    push (@Apache::hint::which,$name); }
-	$result = '';
-    }
-    return $result;
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+  my $result;
+  if ($target eq 'web') {
+    $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
+    my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
+    my $response = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.$Apache::inputtags::response['-1'].submission"};
+    &Apache::lonxml::debug("hintgroup is using $response<br />\n");
+    my $expression="&caparesponse_check_list('".$response."','".
+      $$parstack[$#$parstack].
+	';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.
+	';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.
+	  "');";
+    $result = &Apache::run::run($expression,$safeeval);
+    &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");
+    my ($awards) = split /:/ , $result;
+    my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
+    if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
+    $result='';
+  }
+  return $result;
 }
 
-# ======================================================= Starting part of hint
 # a part shows if it is on, if no specific parts are on, then default shows
 sub start_hintpart {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-    my $show ='0';
-    if ($target eq 'web') {
-	my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
-	&Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
-	if ( $on eq 'default' && $#Apache::hint::which == '-1') {
-	    $show=1;
-	} else {
-	    my $which;
-	    foreach $which (@Apache::hint::which) {
-		if ($which eq $on) { $show = 1; last } }
-	}
-	if (!$show) {
-	    &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
-	}
-    } elsif ($target eq 'grade') {
-	&Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
+  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+
+  my $show ='0';
+
+  if ($target eq 'web') {
+    my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
+    &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
+    if ( $on eq 'default' && $#Apache::hint::which == '-1') {
+      $show=1;
+    } else {
+      my $which;
+      foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
+    }
+    if (!$show) {
+      &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
     }
-    return '';
+  } elsif ($target eq 'grade') {
+    &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
+  }
+  return '';
 }
 
-# ========================================================= Ending part of hint
 sub end_hintpart {
   return '';
 }
 
 1;
-
 __END__