--- loncom/interface/lonprintout.pm	2002/08/14 20:38:04	1.51
+++ loncom/interface/lonprintout.pm	2002/09/06 17:46:13	1.56
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Printout
 #
-# $Id: lonprintout.pm,v 1.51 2002/08/14 20:38:04 sakharuk Exp $
+# $Id: lonprintout.pm,v 1.56 2002/09/06 17:46:13 sakharuk Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -43,7 +43,10 @@ use strict;
 use Apache::Constants qw(:common :http);
 use Apache::lonxml;
 use Apache::lonnet;
+use Apache::loncommon;
 use Apache::inputtags;
+use Apache::loncoursedata;
+use Apache::grades;
 use Apache::edit;
 use Apache::File();
 use POSIX qw(strftime);
@@ -73,13 +76,18 @@ sub menu_for_output {
 (you will print what you see on the screen)<br />
 ENDMENUOUT1
     if ((not $ENV{'request.role'}=~m/^au\./) and (not $ENV{'request.role'}=~m/^ca\./)) {
-    $r->print(<<ENDMENUOUT2);
+	$r->print(<<ENDMENUOUT2);
 <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  All problems from the primary sequence<br />
 <input type="radio" name="choice" value="Standard LaTeX output for whole primary sequence">  The whole primary sequence (problems plus all html and xml files)<br />
 <input type="radio" name="choice" value="Standard LaTeX output for the top level sequence">  All problems from the top level sequence<br />
 <br />
 ENDMENUOUT2
     }
+    if ($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) { 
+	$r->print(<<ENDMENUOUT6);
+  <input type="radio" name="choice" value="All class print">  Print assignment (all problems from the primary sequence) for group of students<br /><br />
+ENDMENUOUT6
+    }
       my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
       $subdirtoprint =~ s/\/[^\/]+$//;
       if (&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') {
@@ -114,13 +122,69 @@ ENDMENUOUT4
 </table>
 </br> 
 <input type="submit" value="Submit your choice">
-</form>
-</body>
-</html>
 ENDMENUOUT5
 }
 
 
+sub additional_class_menu {
+    my $r = shift;
+    $r->print(<<ENDMENUOUT1);
+<input type="hidden" name="url" value="$ENV{'form.url'}">
+<input type="hidden" name="choice" value="$ENV{'form.choice'}">
+<input type="hidden" name="layout" value="$ENV{'form.layout'}">
+<input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
+<h1>Mark students which assignments you want to print</h1>
+ENDMENUOUT1
+    my $c = $r->connection;    
+    my %cache;
+    my $courseID = $ENV{'request.course.id'};
+    my $classlist = &Apache::loncoursedata::DownloadClasslist($courseID,$cache{'ClasslistTimestamp'},$c);
+    &Apache::loncoursedata::ProcessClasslist(\%cache,$classlist,$courseID,$c);    
+    my @all_students = split(':::',$cache{'NamesOfStudents'});
+    my @active_students = ();
+    foreach my $student (@all_students) {
+	if ($cache{$student.':Status'} eq 'Active') {
+	    push @active_students,$student;
+	}
+    }
+    my $what_to_print = '<table border="1">';    
+    my $i = 0;
+    foreach my $student (@active_students) {
+	$what_to_print .= '<tr><td><input type="checkbox" name="whomtoprint'.$i.'" value="'.$student.'">'.$cache{$student.':fullname'}.'</td></tr>';
+#	$what_to_print .= '<tr><td><input type="checkbox" name="whomtoprint'.$i.'" value="'.$cache{$student.':fullname'}.'">'.$cache{$student.':fullname'}.'</td></tr>';
+	$i++;
+    }
+    $what_to_print .= '</table>';
+    $r->print(<<ENDMENUOUT2);
+    $what_to_print <br />
+<input type="hidden" name="numberofstudents" value="$i">
+<input type="hidden" name="phase" value="three">
+<input type="submit" value="Submit">
+ENDMENUOUT2
+}
+
+
+sub additional_print_menu { 
+    my $r = shift;
+    my $what_to_print = '';
+    for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {
+	$what_to_print .= '<input type="hidden" name="whomtoprint'.$i.'" value="'.$ENV{'form.whomtoprint'.$i}.'">';
+    }
+    $r->print(<<ENDMENUOUT);
+    $what_to_print
+<input type="hidden" name="url" value="$ENV{'form.url'}">
+<input type="hidden" name="choice" value="$ENV{'form.choice'}">
+<input type="hidden" name="layout" value="$ENV{'form.layout'}">
+<input type="hidden" name="numberofstudents" value="$ENV{'form.numberofstudents'}">
+<input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
+Enter width of the page: <input type="text" name="width" width="10" value="9cm"> <br />
+<input type="hidden" name="phase" value="four">
+<input type="submit" value="Submit">
+</form>
+</body>
+</html>
+ENDMENUOUT
+}
 
 
 sub output_data {
@@ -184,7 +248,7 @@ ENDPART
 		    &Apache::lonnet::delenv('form.grade_target');
 		    $result .= $texversion;        
 		}
-	    } else {
+	    } elsif ($urlp =~ /\S+/) {
 		my %moreenv;
 		$moreenv{'form.grade_target'}='tex';
 		&Apache::lonnet::appenv(%moreenv);
@@ -242,7 +306,7 @@ ENDPART
 	if ($file_seq[-1]=~m/REMOVE IT PLEASE/) {
 	    pop @file_seq;
 	}
-#-- produce an output string
+        #-- produce an output string
 	for (my $i=0;$i<=$#file_seq;$i++) {
             my $urlp = $file_seq[$i];
 	    $urlp=~s/\/home\/httpd\/html//;	    
@@ -256,6 +320,52 @@ ENDPART
 	    }
 	}	    
 	$result = &additional_cleanup($result);
+    } elsif ($choice eq 'All class print') { 
+    #-- prints assignments for whole class or for selected students  
+        my (@students,@st_output) = ((),());
+	for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {
+	    if ($ENV{'form.whomtoprint'.$i}=~/:/) {
+		push @students,$ENV{'form.whomtoprint'.$i};
+	    }
+	}
+	#where is the primary sequence containing current resource (the same for all students)?
+	my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
+	$symbolic =~ m/([^_]+)_/;
+	my $primary_sequence = '/res/'.$1;
+	#opens and analyses the primary sequence file, produces the array of resources
+	my $sequence_file=&Apache::lonnet::filelocation("",$primary_sequence);
+	my $sequencefilecontents=&Apache::lonnet::getfile($sequence_file);
+	my @master_seq = &content_map($sequencefilecontents);
+        #loop over students
+	foreach my $person (@students) {
+	    my $current_output = ''; 
+	    my ($username,$userdomain) = split /:/,$person;
+	    my $fullname = &Apache::grades::get_fullname($username,$userdomain);
+            #goes through all resources, checks if they are available for current student, and produces output 
+	    foreach my $curres (@master_seq)  {
+		$curres =~ s/^"//;
+		$curres =~ s/"$//;
+                if ($curres=~/\w+/) {
+		    my $symb = &Apache::lonnet::symbread($curres);
+		    my ($map,$id,$res_url) = split(/___/,$symb);
+		    if (&Apache::lonnet::allowed('bre',$res_url)) {
+			my $rendered = &Apache::loncommon::get_student_view($symb,$username,$userdomain,
+                                                                        $ENV{'request.course.id'},'tex');
+			$current_output .= $rendered;
+		    }
+		}
+	    }
+	    $current_output =~ s/\\begin{document}/\\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$fullname}}\\hskip 1\.4in } \\vskip 5 mm /;
+	    $result .= $current_output;
+	}
+
+	$result = &additional_cleanup($result);
+
+
+
+
+
+
     } elsif ($choice eq 'Subdirectory print') {      
 	my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
 	$subdirtoprint =~ s/\/[^\/]+$//;
@@ -307,7 +417,11 @@ ENDPART
         $courseidinfo = $ENV{'course.physnet_'.$1.'.description'};
 #	$result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass\[twocolumn\]{article}/;
 	$result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass{article}/;
-	$result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 9cm\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}}\\hskip 1\.4in $courseidinfo} \\vskip 5 mm /;	
+	if ($choice ne 'All class print') { 
+	    $result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 9cm\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}}\\hskip 1\.4in $courseidinfo} \\vskip 5 mm /;
+        } else {	
+	    $result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 9cm\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
+	}
 	$result =~ s/\\includegraphics{/\\includegraphics\[width=9\.0 cm\]{/g;
 #	$result =~ s/\\includegraphics{/\\includegraphics\[width=\\textwidth\]{/g;
 #	$result =~ s/(\\end{document})/\\newline\\noindent\\makebox\[9.0cm\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Dept\. of Physics and Astronomy, MSU\\makebox\[1.5cm\]\[b\]{\\hfill}LON-CAPA\\copyright MSU GNU\/GPL $1/;
@@ -317,6 +431,10 @@ ENDPART
         $result =~ s/(\\end{longtable}\s*)\\newline/$1/g;
 	$result =~ s/\$number_of_columns/$number_of_columns/g;
     }
+    #changes page's parameters for the one column output 
+    if ($ENV{'form.numberofcolumns'} == 1) {
+	$result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/;
+    }
 #-- LaTeX corrections     
     my $first_comment = index($result,'<!--',0);
     while ($first_comment != -1) {
@@ -325,7 +443,6 @@ ENDPART
 	$first_comment = index($result,'<!--',$first_comment);
     }
     $result =~ s/^\s+$//gm; #remove empty lines
-    $result =~ s/\s%/\\%/g;   #corrects %
     $result =~ s/(\s)+/$1/g; #removes more than one empty space
     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
@@ -779,8 +896,24 @@ sub handler {
     unless  ($ENV{'form.phase'}) {
 	&menu_for_output($r);
     }
+#-- additional menu for class printing
+     if ($ENV{'form.phase'} eq 'two') {
+	 if($ENV{'form.choice'} eq 'All class print') {
+	     &additional_class_menu($r);
+	 } else {
+	     $ENV{'form.phase'} = 'three';
+	 }
+     }
+#-- additional menu for page layout (one column case)
+    if ($ENV{'form.phase'} eq 'three') {
+	if($ENV{'form.numberofcolumns'} == 1) {
+	    &additional_print_menu($r);
+	} else {
+	    $ENV{'form.phase'} = 'four';
+	}
+    }
 #-- core part 
-    if ($ENV{'form.phase'} eq 'two') {
+    if ($ENV{'form.phase'} eq 'four') {
 	&output_data($r);
     }
     return OK;