[LON-CAPA-cvs] cvs: loncom /homework radiobuttonresponse.pm response.pm

foxr lon-capa-cvs-allow@mail.lon-capa.org
Wed, 20 Jun 2007 22:36:53 -0000


foxr		Wed Jun 20 18:36:53 2007 EDT

  Modified files:              
    /loncom/homework	radiobuttonresponse.pm response.pm 
  Log:
  Factor the multi-line bubble stuff out of radiobuttonresponse.pm and put
  it into response.pm
  
  
Index: loncom/homework/radiobuttonresponse.pm
diff -u loncom/homework/radiobuttonresponse.pm:1.117 loncom/homework/radiobuttonresponse.pm:1.118
--- loncom/homework/radiobuttonresponse.pm:1.117	Wed Jun 20 17:43:59 2007
+++ loncom/homework/radiobuttonresponse.pm	Wed Jun 20 18:36:52 2007
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # mutliple choice style responses
 #
-# $Id: radiobuttonresponse.pm,v 1.117 2007/06/20 21:43:59 foxr Exp $
+# $Id: radiobuttonresponse.pm,v 1.118 2007/06/20 22:36:52 foxr Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -146,48 +146,26 @@
     my ($answer,@whichfoils)=&whichfoils($max,$randomize);
     if ( !&Apache::response::submitted() ) { return; }
     my $response;
+    
+    # Need to know how many foils we have so that I know how many
+    # bubble lines to consume:
+    
+    my $numfoils = scalar @whichfoils;
+    my $bubble_lines = int($numfoils / $bubbles_per_line);
+    if (($numfoils % $bubbles_per_line) != 0) {
+	$bubble_lines++;	# Partial line of bubbles too.
+    }
+    
+    
     if ($env{'form.submitted'} eq 'scantron') {
-	# Need to know how many foils we have so that I know how many
-	# bubble lines to consume:
-
-	my $numfoils = scalar @whichfoils;
-	my $bubble_lines = int($numfoils / $bubbles_per_line);
-	if (($numfoils % $bubbles_per_line) != 0) {
-	    $bubble_lines++;	# Partial line of bubbles too.
-	}
-	# Get an array of the lines... note offsets seem to go from 1??...
-
-	my @responses;
-	for (my $i = 1; $i <= $bubble_lines; $i++) {
-	    my $this_line = &Apache::response::getresponse($i);
-	    push(@responses, $this_line);
-
-	}
-	#  Update the lonxml::counter so that the next problem
-	# Gets the right set of answers:
-
-	&Apache::lonxml::increment_counter($bubble_lines-1);
-
-	# This code assumes that unbubbled lines will be
-	# give empties. while bubbled lines nonblank.
-
-	my $answer_line;
-	my $answer_value = '';	# By default no answer given...
-	my $num_bubbled_lines=0;
-	for (my $line_number = 0; $line_number < $bubble_lines; $line_number++) {
-	    if ($responses[$line_number] ne "") {
-		$answer_line  = $line_number;
-		$answer_value = $responses[$line_number];
-		last;
-	    }
-	}
-	
-	$response = $answer_line * $bubbles_per_line + $answer_value;
-
+	$response = &Apache::response::getresponse(1,undef,$bubble_lines,
+						 $bubbles_per_line);
 
     } else {
 	$response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
     }
+    &Apache::lonxml::increment_counter($bubble_lines-1);
+
     if ( $response !~ /[0-9]+/) { return; }
     my $part=$Apache::inputtags::part;
     my $id = $Apache::inputtags::response['-1'];
Index: loncom/homework/response.pm
diff -u loncom/homework/response.pm:1.171 loncom/homework/response.pm:1.172
--- loncom/homework/response.pm:1.171	Tue Jun 19 15:34:18 2007
+++ loncom/homework/response.pm	Wed Jun 20 18:36:52 2007
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # various response type definitons response definition
 #
-# $Id: response.pm,v 1.171 2007/06/19 19:34:18 albertel Exp $
+# $Id: response.pm,v 1.172 2007/06/20 22:36:52 foxr Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -860,11 +860,15 @@
   $resulttype - undef    -> a number between 0 and 25
                 'A is 1' -> a number between 1 and 26
                 'letter' -> a letter between 'A' and 'Z'
-
+  $lines  - undef problem only needs a single line of bubbles.
+            nonzero  Problem wants the first nonempty response in 
+                      $lines lines of bubbles.
+  $bubbles_per_line - Must be provided if lines is defined.. number of
+                      bubbles on a line.
 =cut
 
 sub getresponse {
-    my ($offset,$resulttype)=@_;
+    my ($offset,$resulttype, $lines, $bubbles_per_line)=@_;
     my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1'];
     my $response;
     if (!defined($offset)) {
@@ -872,6 +876,10 @@
     } else {
 	$formparm.=":$offset";
     }
+    if (!defined($lines)) {
+	$lines = 1;
+    }
+
     my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7,
 		    'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14,
 		    'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21,
@@ -879,21 +887,43 @@
     if ($env{'form.submitted'} eq 'scantron') {
 	my $part  = $Apache::inputtags::part;
 	my $id    = $Apache::inputtags::response[-1];
-	$response = $env{'scantron.'.($Apache::lonxml::counter+$offset-1).
-			 '.answer'};
-	# save bubbled letter for later
-	$Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
-	    $response;
+	
+	my $line;
+	for ($line = 0; $line < $lines; $line++) {
+	    $response = $env{'scantron.'.
+				 ($Apache::lonxml::counter+$offset-1+$line).
+				 '.answer'};
+	    if ($response ne "") {
+		last;
+	    }
+	    
+	}
 	if ($resulttype ne 'letter') {
 	    if ($resulttype eq 'A is 1') {
 		$response = $let_to_num{$response}+1;
 	    } else {
 		$response = $let_to_num{$response};
 	    }
+	    if ($response ne "") {
+		$response += $line * $bubbles_per_line;
+	    }
+	} else {
+	    if ($response ne "") {
+		$response = chr(ord($response) + $line * $bubbles_per_line);
+	    }
 	}
+	# save submitted response for later
+	$Apache::lonhomework::results{"resource.$part.$id.scantron"}.=
+	    $response;
+
     } else {
 	$response = $env{$formparm};
     }
+    # 
+    #  If we have a nonempty answer, correct the numeric value
+    #  of the answer for the line on which it was found.
+    #
+
     return $response;
 }