--- loncom/interface/lonprintout.pm	2010/05/10 10:21:24	1.575.2.1
+++ loncom/interface/lonprintout.pm	2010/05/11 11:10:19	1.575.2.2
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # Printout
 #
-# $Id: lonprintout.pm,v 1.575.2.1 2010/05/10 10:21:24 foxr Exp $
+# $Id: lonprintout.pm,v 1.575.2.2 2010/05/11 11:10:19 foxr Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -74,8 +74,23 @@ my $ssi_retry_count = 5;    # Some arbit
 
 my $font_size = 'normalsize';    # Default is normalsize...
 
+#
+#  Useful filters that will be filled in by printHelper.
+#  These are put here to support modularizing helpers into 
+#  less of a helper soup than it was originally:
+#  These can't be filled in here as there's some conditionalization
+#  involved.
+#
+
+my $isProblem;
+my $isProblemOrMap;
+my $isNotMap;
+my $isMap;
+my $symbFilter;
+
 #----------------------------  Helper helpers. -------------------------
 
+
 #  Returns the text needd for a student chooser.
 #  that text must still be parsed by the helper xml parser.
 # Parameters:
@@ -239,6 +254,42 @@ CHOOSE_ANON1
     return $result;
 }
 
+# Returns the XML for the states associated with choosing incomplete problems
+# for selected students:
+# Paramterss:
+#   helper     - reference to the helper.
+#   map        - Map within which to generate the selector.
+#   base_state - The first/base state of the helper subsegment.
+#
+#  
+#
+#  States we will use:
+#   $base_state            - Selects resources.
+#   $base_state.WHO        - Selects the people to display.
+#   $base_state.FORMAT     - Selects the final print format etc.
+#
+
+sub generate_incomplete_states {
+    my ($helper, $map, $base_state) = @_;
+    my $result = '';
+
+    $result .= &generate_resource_chooser(
+					  $base_state,
+					  'Select Problem(s) to print.',
+					  "multichoice='1' addstatus='1'",
+					  'RESOURCES',
+					  $base_state.'WHO',
+					  '',
+					  '$res->is_incomplete()'
+					  );
+    $result .= &generate_student_chooser(
+					 $base_state.'WHO',
+					 'student_sort',
+					 'STUDENTS',
+					 $base_state.'FORMAT');
+    return $result;
+}
+
 #-----------------------------------------------------------------------
 
 # Fetch the contents of a resource, uninterpreted.
@@ -3642,7 +3693,11 @@ sub printHelper {
 
     }
 
-    # Detect whether we're coming from construction space
+    # Detect whether we're coming from construction space.  If so,
+    # $helper->{VARS}->{'construction'} will be defined and true.
+    # Otherwise, if this is a post, load the helper 'postdata' var with
+    # the posted form data.
+    
     if (
         $env{'form.postdata'} =~ /^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/ )
     {
@@ -3755,15 +3810,16 @@ sub printHelper {
     }
 
     # Useful filter strings
-    my $isProblem =
+    $isProblem =
       '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
-    my $isProblemOrMap =
+    $isProblemOrMap =
 '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
-    my $isNotMap = '!$res->is_sequence()';
+    $isNotMap = '!$res->is_sequence()';
     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
-    my $isMap      = '$res->is_map()';
-    my $symbFilter = '$res->shown_symb()';
+    $isMap      = '$res->is_map()';
+    $symbFilter = '$res->shown_symb()';
+
     my $urlValue   = '$res->link()';
 
     $helper->declareVar('SEQUENCE');
@@ -3949,9 +4005,22 @@ sub printHelper {
       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
   </state>
 ALL_PROBLEMS
+       #
+       #  Support printing incompleteproblems.:
+       #
+       push @{$printChoices},
+            [
+               &mtn('Incomplete <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'),
+	     'incomplete_problems_students',
+	     'INCOMPLETE_PROBLEMS_STUDENTS'
+	     ];
+
         &Apache::lonxml::xmlparse(
             $r, 'helper',
-            &generate_resource_chooser(
+	    &generate_incomplete_states($helper, $map, 
+			     'INCOMPLETE_PROBLEMS_STUDENTS')
+				  
+            .&generate_resource_chooser(
                 'ALL_PROBLEMS',
                 'SelectProblem(s) to print',
 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',