version 1.87, 2005/07/25 10:43:29
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version 1.108, 2006/08/03 00:26:39
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Line 28
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use lib '/home/httpd/lib/perl'; |
use lib '/home/httpd/lib/perl'; |
use LONCAPA::loncgi; |
use LONCAPA::loncgi; |
use File::Path; |
use File::Path; |
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use File::Basename; |
use IO::File; |
use IO::File; |
use Image::Magick; |
use Image::Magick; |
use Apache::lonhtmlcommon; |
use Apache::lonhtmlcommon(); |
use Apache::lonnet; |
use Apache::lonnet; |
use Apache::loncommon; |
use Apache::loncommon(); |
use Apache::lonlocal; |
use Apache::lonlocal; |
use Apache::lonmsg; |
use Apache::lonmsg(); |
use LONCAPA::Enrollment; |
use LONCAPA::Enrollment; |
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use strict; |
use strict; |
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# |
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# Determine if a user is operating as a student for this course/domain. |
# Determine if a user is operating as a student for this course/domain. |
# |
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# |
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#Parameters: |
#Parameters: |
# course - The course id. |
# none |
# cdom - The course domain. |
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# |
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#Implicit: |
#Implicit: |
# $env{request.role} contains the role under which this user operated this |
# $env{request.role} contains the role under which this user operated this |
# this request. |
# this request. |
sub is_student { |
sub is_student { |
return (! $env{'request.role.adv'}); |
return ($env{'request.role'}=~/^st\./); |
} |
} |
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# |
# |
Line 111 sub send_error_mail {
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Line 107 sub send_error_mail {
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# The user is a student in the course: |
# The user is a student in the course: |
# |
# |
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if (&is_student( $courseid, $coursedom)) { |
if (&is_student()) { |
# build the subject and message body: |
# build the subject and message body: |
# print "sending message to course coordinators.<br />"; |
# print "sending message to course coordinators.<br />"; |
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Line 120 sub send_error_mail {
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Line 116 sub send_error_mail {
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my $subject = "Error [$badurl] Print failed for $user".'@'.$domain; |
my $subject = "Error [$badurl] Print failed for $user".'@'.$domain; |
my $message .= "Print failed to render LaTeX for $user".'@'."$domain\n"; |
my $message .= "Print failed to render LaTeX for $user".'@'."$domain\n"; |
$message .= " User was attempting to print: \n"; |
$message .= " User was attempting to print: \n"; |
$message .= " $resources\n"; |
foreach my $resource (split(/:/,$resources)) { |
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$message .= " $resource\n"; |
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} |
$message .= "--------------------LaTeX logfile:------------ \n"; |
$message .= "--------------------LaTeX logfile:------------ \n"; |
$message .= $logfile; |
$message .= $logfile; |
$message .= "-----------------LaTeX source file: ------------\n"; |
$message .= "-----------------LaTeX source file: ------------\n"; |
Line 163 END
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Line 161 END
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} |
} |
&Apache::lonlocal::get_language_handle(); |
&Apache::lonlocal::get_language_handle(); |
&Apache::loncommon::content_type(undef,'text/html'); |
&Apache::loncommon::content_type(undef,'text/html'); |
my $bodytag=&Apache::loncommon::bodytag('Creating PDF','',''); |
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print $bodytag; |
print(&Apache::loncommon::start_page('Creating PDF')); |
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my $identifier = $ENV{'QUERY_STRING'}; |
my $identifier = $ENV{'QUERY_STRING'}; |
my $texfile = $env{'cgi.'.$identifier.'.file'}; |
my $texfile = $env{'cgi.'.$identifier.'.file'}; |
Line 179 END
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Line 177 END
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my $student_names = $env{'cgi.'.$identifier.'.studentnames'}; |
my $student_names = $env{'cgi.'.$identifier.'.studentnames'}; |
my $backref = &Apache::lonnet::unescape($env{'cgi.'.$identifier.'.backref'}); |
my $backref = &Apache::lonnet::unescape($env{'cgi.'.$identifier.'.backref'}); |
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my $adv = $env{'request.role.adv'}; |
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my @names_pack=(); |
my @names_pack=(); |
if ($student_names=~/_END_/) { |
if ($student_names=~/_END_/) { |
@names_pack=split(/_ENDPERSON_/,$student_names); |
@names_pack=split(/_ENDPERSON_/,$student_names); |
} |
} |
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print "<a href=\"$backref\"><b>Return</b></a> to last resource.<br /><br />"; |
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my $figfile = $texfile; |
my $figfile = $texfile; |
$figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/; |
$figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/; |
my $duefile = $texfile; |
my $duefile = $texfile; |
Line 201 END
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Line 199 END
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close $temporary_file; |
close $temporary_file; |
my $noteps; |
my $noteps; |
my %prog_state; |
my %prog_state; |
if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Coverting Images to EPS','Picture Conversion Status',$#content_of_file,'inline','80'); } |
if ($advanced_role) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Coverting Images to EPS','Picture Conversion Status',$#content_of_file,'inline','80'); } |
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print('<br />'); |
foreach my $not_eps (@content_of_file) { |
foreach my $not_eps (@content_of_file) { |
chomp($not_eps); |
chomp($not_eps); |
if ($not_eps ne '') { |
if ($not_eps ne '') { |
Line 231 END
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Line 230 END
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$not_eps =~ s/\s+$//; |
$not_eps =~ s/\s+$//; |
$not_eps =~ s/ /\\ /g; |
$not_eps =~ s/ /\\ /g; |
if ( exists($done_conversion{$not_eps})) { next; } |
if ( exists($done_conversion{$not_eps})) { next; } |
if ($adv) { |
if ($advanced_role) { |
my $prettyname=$not_eps; |
my $prettyname=$not_eps; |
$prettyname=~s|/home/([^/]+)/public_html|/priv/$1|; |
$prettyname=~s|/home/([^/]+)/public_html|/priv/$1|; |
$prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|; |
$prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|; |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Converting to EPS '.$prettyname); |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
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'Converting to EPS '.$prettyname); |
} |
} |
$done_conversion{$not_eps}=1; |
$done_conversion{$not_eps}=1; |
# print "Converting $not_eps -> $eps_f"; # Debugging |
# print "Converting $not_eps -> $eps_f"; # Debugging |
system("convert $not_eps $eps_f"); |
system("convert $not_eps $eps_f"); |
#check is eps exist in prtspool |
# check is eps exist in prtspool |
if(not -e $eps_f) { |
if (not -e $eps_f) { |
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# converting an animated gif creates either: |
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# anim.gif.eps.0 |
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# or |
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# anim.gif-0.eps |
for (my $i=0;$i<10000;$i++) { |
for (my $i=0;$i<10000;$i++) { |
if (-e $eps_f.'.'.$i) { |
if (-e $eps_f.'.'.$i) { |
rename $eps_f.'.'.$i, $eps_f; |
rename($eps_f.'.'.$i, $eps_f); |
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last; |
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} |
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my $anim_eps = $eps_f; |
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$anim_eps =~ s/(\.[^.]*)\.eps$/$1-$i\.eps/i; |
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if (-e $anim_eps) { |
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rename($anim_eps, $eps_f); |
last; |
last; |
} |
} |
} |
} |
} |
} |
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# imagemagick 6.2.0-6.2.7 fails to properly handle |
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# convert anim.gif anim.gif.eps |
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# it creates anim.eps instead. |
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if (not -e $eps_f) { |
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my $eps_f2 = $eps_f; |
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$eps_f2 =~ s/\.[^.]*\.eps$/\.eps/i; |
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if(-e $eps_f2) { |
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rename($eps_f2,$eps_f); |
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} |
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} |
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} |
} |
} |
} |
if ($adv) { |
if ($advanced_role) { |
&Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); |
&Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); |
} |
} |
unlink($figfile); |
unlink($figfile); |
Line 270 END
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Line 291 END
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my $ind=-1; |
my $ind=-1; |
my %prog_state; |
my %prog_state; |
print "<a href=\"$backref\"><b>Return</b></a> to last resource.<br /><br />"; |
if ($advanced_role) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files,'inline','80'); } |
if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files,'inline','80'); } |
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print "<br />"; |
print "<br />"; |
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my $num_files = @texfile; |
foreach $texfile (@texfile) { |
foreach $texfile (@texfile) { |
my $status_statement=''; |
my $status_statement=''; |
my $link_text='download PDF'; |
my $link_text='download PDF'; |
Line 280 foreach $texfile (@texfile) {
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Line 301 foreach $texfile (@texfile) {
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my @stud_info=split(/_END_/,$names_pack[$ind]); |
my @stud_info=split(/_END_/,$names_pack[$ind]); |
my @tempo_array=split(/:/,$stud_info[0]); |
my @tempo_array=split(/:/,$stud_info[0]); |
my $name; |
my $name; |
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my $name_range=''; |
if ($tempo_array[3]) { |
if ($tempo_array[3]) { |
$name=$tempo_array[3]; |
$name=$tempo_array[3]; |
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($name_range) = split(/,/,$name, 2); |
} else { |
} else { |
$name=$tempo_array[0].'@'.$tempo_array[1]; |
$name=$tempo_array[0].'@'.$tempo_array[1]; |
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$name_range = $tempo_array[0]; |
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} |
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if (($name ne "") && ($name ne '@') ) { # Could be printing codes... |
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$link_text='<b>'.$name.'</b>'; |
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$status_statement.=$name; |
} |
} |
$link_text='<b>'.$name.'</b>'; |
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$status_statement.=$name; |
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if ($#stud_info>0) { |
if ($#stud_info>0) { |
@tempo_array=split(/:/,$stud_info[-1]); |
@tempo_array=split(/:/,$stud_info[-1]); |
if ($tempo_array[3]) { |
if ($tempo_array[3]) { |
$name=$tempo_array[3]; |
$name=$tempo_array[3]; |
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my ($lastname) = split(/,/, $name,2); |
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$name_range .= "-".$lastname; |
} else { |
} else { |
$name=$tempo_array[0].'@'.$tempo_array[1]; |
$name=$tempo_array[0].'@'.$tempo_array[1]; |
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$name_range .= '-'.$tempo_array[0]; |
} |
} |
$link_text.=' - <b>'.$name.'</b>'; |
if (($name ne "") && ($name ne '@')) { |
$status_statement.=' - '.$name; |
$link_text.=' - <b>'.$name.'</b>'; |
} |
$status_statement.=' - '.$name; |
if ($adv) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); } |
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} |
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} |
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if(($num_files > 1) && ($link_text eq 'download PDF')) { # Printing codes |
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$link_text = '<b>'.basename($texfile,'.tex').'.pdf</b>'; |
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$status_statement .= basename($texfile); |
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} |
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$name_range =~ s/'//g; # O'Neil -> ONeil e.g. |
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print "<br/>"; |
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if ($advanced_role) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); } |
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# This little piece of dirt puts username ranges into the original tex |
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# Tex filename from which they'll propagate into the other filenames as well. |
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# |
if (-e $texfile) { |
if (-e $texfile) { |
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if (($name_range ne '') && ($num_files > 1)) { |
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my $newtexfile = $texfile; |
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$newtexfile =~ s/\.tex/$name_range\.tex/; |
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rename($texfile, $newtexfile); |
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$texfile = $newtexfile; |
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} |
$texfile =~ m/^(.*)\/([^\/]+)$/; |
$texfile =~ m/^(.*)\/([^\/]+)$/; |
my $name_file = $2; |
my $name_file = $2; |
my $path_file = $1.'/'; |
my $path_file = $1.'/'; |
chdir $path_file; |
chdir $path_file; |
my $dvi_file= $name_file; $dvi_file =~ s/\.tex/\.dvi/; |
my $dvi_file= $name_file; $dvi_file =~ s/\.tex/$name_range\.dvi/; |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
"for $status_statement now LaTeXing file", |
"for $status_statement now LaTeXing file", |
\%prog_state,$dvi_file); |
\%prog_state,$dvi_file); |
if ($tableofcontents eq 'yes') { |
if ($tableofcontents eq 'yes') { |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
"for $status_statement now LaTeXing file for table of contents", |
"for $status_statement First LaTeX of file for table of contents", |
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\%prog_state,$dvi_file); |
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&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
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"for $status_statement Second LaTeX of file for table of contents", |
\%prog_state,$dvi_file); |
\%prog_state,$dvi_file); |
} #to create table of contents |
} #to create table of contents |
my $idxname=$name_file; |
my $idxname=$name_file; |
Line 353 foreach $texfile (@texfile) {
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Line 403 foreach $texfile (@texfile) {
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print "It probably has errors in it.<br />"; |
print "It probably has errors in it.<br />"; |
print "With very high probability this error occured in ".$badtext."<br /><br />"; |
print "With very high probability this error occured in ".$badtext."<br /><br />"; |
print "Here are the error messages in the LaTeX log file<br /><pre>"; |
print "Here are the error messages in the LaTeX log file<br /><pre>"; |
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my $sygnal = 0; |
my $sygnal = 0; |
for (my $i=0;$i<=$#content_of_file;$i++) { |
for (my $i=0;$i<=$#content_of_file;$i++) { |
if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) { |
if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) { |
Line 384 foreach $texfile (@texfile) {
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Line 435 foreach $texfile (@texfile) {
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$texfile=~s/\/home\/httpd//; |
$texfile=~s/\/home\/httpd//; |
print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
print "\n"; |
print "\n"; |
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my $help_text = &Apache::loncommon::help_open_topic("Print_Resource", "Help on printing"); |
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print ("$help_text"); |
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} else { # Student role... |
} else { # Student role... |
# at this point: |
# at this point: |
# $body_log_file - contains the log file. |
# $body_log_file - contains the log file. |
Line 395 foreach $texfile (@texfile) {
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Line 449 foreach $texfile (@texfile) {
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my $tex_handle = IO::File->new($name_file); |
my $tex_handle = IO::File->new($name_file); |
my @tex_contents = <$tex_handle>; |
my @tex_contents = <$tex_handle>; |
&send_error_mail($identifier, $badresource, $body_log_file, \@tex_contents); |
&send_error_mail($identifier, $badresource, $body_log_file, \@tex_contents); |
print "<br />A message has been sent to the instructor describing this failure<br />" |
print "<br />A message has been sent to the instructor describing this failure<br />"; |
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my $help_text = &Apache::loncommon::help_open_topic("Print_Resource", "Help on printing"); |
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print ("$help_text"); |
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} |
} |
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} elsif ($body_log_file=~m/<inserted text>/) { |
} elsif ($body_log_file=~m/<inserted text>/) { |
Line 420 foreach $texfile (@texfile) {
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Line 477 foreach $texfile (@texfile) {
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"for $status_statement now Converting to PS", |
"for $status_statement now Converting to PS", |
\%prog_state,$new_name_file); |
\%prog_state,$new_name_file); |
if (-e $new_name_file) { |
if (-e $new_name_file) { |
print "<h1>PDF output file (see link below)</h1>\n"; |
my $latex_file = $name_file; |
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$latex_file =~ s/\.dvi/\.tex/; |
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&repaginate($new_name_file, $latex_file, $numberofcolumns); |
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# |
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# Now have to re-latex, re dvips again to |
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# get the repaginated postscript. |
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# |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement first latex to repaginate", |
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\%prog_state, $name_file); |
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if ($tableofcontents eq 'yes') { |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement second latex to repaginate", |
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\%prog_state, $name_file); |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement third latex to repaginate", |
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\%prog_state, $name_file); |
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} |
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if ($tableofindex eq 'yes') { |
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my $idxname = $latex_file; |
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$idxname =~ s/\.tex$/\.idx/; |
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&busy_wait_command("makindex $idxname", |
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"Re-creating index file", |
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\%prog_state, $idxname); |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement now Recreting index (latex)", |
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\%prog_state, $dvi_file); |
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} |
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&busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null", |
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"for $status_statement dvips to repaginate", |
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\%prog_state, $new_name_file); |
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print "\n<h1>PDF output file (see link below)</h1>\n"; |
$new_name_file =~ m/^(.*)\./; |
$new_name_file =~ m/^(.*)\./; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
my $pdf_file = $1.'.pdf'; |
my $pdf_file = $1.'.pdf'; |
Line 494 foreach $texfile (@texfile) {
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Line 583 foreach $texfile (@texfile) {
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"for $status_statement now Converting to PS", |
"for $status_statement now Converting to PS", |
\%prog_state,$new_name_file); |
\%prog_state,$new_name_file); |
if (-e $new_name_file) { |
if (-e $new_name_file) { |
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my $latex_file = $name_file; |
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$latex_file =~ s/\.dvi/\.tex/; |
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&repaginate($new_name_file, $latex_file, $numberofcolumns); |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement first latex to repaginate", |
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\%prog_state, $name_file); |
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if ($tableofcontents eq 'yes') { |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement second latex to repaginate", |
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\%prog_state, $name_file); |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement third latex to repaginate", |
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\%prog_state, $name_file); |
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} |
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if ($tableofindex eq 'yes') { |
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my $idxname = $latex_file; |
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$idxname =~ s/\.tex$/\.idx/; |
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&busy_wait_command("makeindex $idxname", |
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"Re-creating index file", |
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\%prog_state, $idxname); |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement now Recreting index (latex)", |
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\%prog_state, $dvi_file); |
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} |
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&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
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"for $status_statement dvips to repaginate", |
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\%prog_state, $new_name_file); |
print "<br />"; |
print "<br />"; |
$new_name_file =~ m/^(.*)\./; |
$new_name_file =~ m/^(.*)\./; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
Line 571 if ($number_of_files>1) {
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Line 687 if ($number_of_files>1) {
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$zipfile=~s/\/home\/httpd//; |
$zipfile=~s/\/home\/httpd//; |
print "<br /> A <a href=\"$zipfile\">ZIP file</a> of all the PDFs."; |
print "<br /> A <a href=\"$zipfile\">ZIP file</a> of all the PDFs."; |
} |
} |
if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); } |
if ($advanced_role) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); } |
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print(&Apache::loncommon::end_page()); |
my $done; |
my $done; |
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sub REAPER { |
sub REAPER { |
$done=1; |
$done=1; |
} |
} |
Line 584 sub busy_wait_command {
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Line 701 sub busy_wait_command {
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$SIG{CHLD} = \&REAPER; |
$SIG{CHLD} = \&REAPER; |
$done=0; |
$done=0; |
my $pid=open(CMD,"$command |"); |
my $pid=open(CMD,"$command |"); |
if ($adv) { |
if ($advanced_role) { |
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message); |
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message); |
} |
} |
while(!$done) { |
while(!$done) { |
Line 594 sub busy_wait_command {
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Line 711 sub busy_wait_command {
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my $size=(stat($output_file))[7]; |
my $size=(stat($output_file))[7]; |
$extra_msg=", $size bytes generated"; |
$extra_msg=", $size bytes generated"; |
} |
} |
if ($adv) { |
if ($advanced_role) { |
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win, |
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win, |
$message.$extra_msg); |
$message.$extra_msg); |
} |
} |
Line 603 sub busy_wait_command {
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Line 720 sub busy_wait_command {
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close(CMD); |
close(CMD); |
} |
} |
|
|
|
# Repagninate |
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# What we need to do: |
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# - Count the number of pages in each student. |
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# - Rewrite the latex file replacing the \specials that |
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# mark the end of student with an appropriate number of newlines. |
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# parameters: |
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# psfile - Postscript filename |
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# latexfile - LaTeX filename |
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# columns - number of columns. |
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sub repaginate { |
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|
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# We will try to do this in 2 passes through the postscript since |
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# the postscript is potentially large, to do 2 passes, the first pass |
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# must be able to calculate the total number of document pages so that |
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# at the beginning of the second pass we already know how to replace |
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# %%Pages: |
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|
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# Figure out |
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# 1. Number of pages in the document |
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# 2. Maximum number of pages in a student |
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# 3. Number of pages in each student. |
|
|
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my ($postscript_filename, $latex_filename, $num_columns) = @_; |
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open(PSFILE, "<$postscript_filename"); |
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my $line; |
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my $total_pages; # Total pages in document. |
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my $seen_pages = 0; # There are several %%Pages only the first is useful |
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my $student_number = 0; # Index of student we're working on. |
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my @pages_in_student; # For each student his/her initial page count. |
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my $max_pages = 0; # Pages in 'longest' student. |
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my $page_number = 0; |
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&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
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"Counting pages for student: ".$student_number+1); |
|
|
|
while ($line = <PSFILE>) { |
|
|
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# Check for total pages (%%Pages:) |
|
|
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if (($line =~ /^%%Pages:/) && (!$seen_pages)) { |
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my @pageinfo = split(/ /,$line); |
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$total_pages = $pageinfo[1]; |
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$seen_pages = 1; |
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} |
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# Check for %%Page: n m $page_number will be the |
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# biggest of these until we see an endofstudent. |
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# Note that minipages generate spurious %Page: 1 1's so |
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# we only are looking for the largest n (n is page number at the |
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# bottom of the page, m the page number within the document. |
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# |
|
|
|
if ($line =~ /^%%Page:/) { |
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my @pageinfo = split(/ /, $line); |
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if ($page_number < $pageinfo[1]) { |
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$page_number = $pageinfo[1]; |
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} |
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} |
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# ENDOFSTUDENTSTAMP - save the page_number, reset and, if necessary |
|
# udpate max_pages. |
|
# |
|
if ($line =~ /ENDOFSTUDENTSTAMP/) { |
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$pages_in_student[$student_number] = $page_number; |
|
$student_number++; |
|
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
|
"Counting pages for student: ".$student_number+1); |
|
|
|
if ($page_number > $max_pages) { |
|
$max_pages = $page_number; |
|
} |
|
$page_number = 0; |
|
|
|
} |
|
|
|
|
|
} |
|
close(PSFILE); |
|
|
|
# If 2 columns, max_pages must go to an even number of columns: |
|
|
|
&Apache::lonnet::logthis("Before 2 col adjust max-pages = $max_pages"); |
|
|
|
if ($num_columns == 2) { |
|
if ($max_pages % 2) { |
|
$max_pages++; |
|
} |
|
} |
|
&Apache::lonnet::logthis("after adjust: $max_pages"); |
|
|
|
# Now rewrite the LaTex file, substituting our \special |
|
# with an appropriate number of \newpage directives. |
|
|
|
my $outfilename = $latex_filename."temp"; |
|
|
|
open(LATEXIN, "<$latex_filename"); |
|
open(LATEXOUT, ">$outfilename"); |
|
|
|
|
|
$student_number = 0; # first student... |
|
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
|
"Repaginating student ".$student_number+1); |
|
|
|
while (my $line = <LATEXIN>) { |
|
if ($line eq "\\special{ps:ENDOFSTUDENTSTAMP}\n") { |
|
# only end of student stamp if next line is ENDOFSTUDENTSTAMP: |
|
|
|
|
|
# End of student replace with 0 or more newpages. |
|
|
|
my $addlines = $max_pages - $pages_in_student[$student_number]; |
|
&Apache::lonnet::logthis("student: $pages_in_student[$student_number] add: $addlines"); |
|
while($addlines) { |
|
print LATEXOUT '\clearpage \strut \clearpage'; |
|
|
|
$addlines--; |
|
} |
|
|
|
$student_number++; |
|
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
|
"Repaginating student ".$student_number+1); |
|
|
|
} else { |
|
print LATEXOUT $line; |
|
} |
|
} |
|
|
|
close(LATEXIN); |
|
close(LATEXOUT); |
|
rename($outfilename, $latex_filename); |
|
|
|
} |
|
|