--- loncom/interface/lonprintout.pm 2008/03/10 10:10:18 1.518 +++ loncom/interface/lonprintout.pm 2008/08/25 10:16:27 1.537 @@ -1,7 +1,7 @@ # The LearningOnline Network # Printout # -# $Id: lonprintout.pm,v 1.518 2008/03/10 10:10:18 foxr Exp $ +# $Id: lonprintout.pm,v 1.537 2008/08/25 10:16:27 foxr Exp $ # # Copyright Michigan State University Board of Trustees # @@ -38,6 +38,9 @@ use Apache::edit; use Apache::File(); use Apache::lonnavmaps; use Apache::admannotations; +use Apache::lonenc; +use Apache::entities; + use HTTP::Response; use LONCAPA::map(); @@ -115,7 +118,7 @@ sub annotate { # the number of times requested by the caller. # If we still have a proble, no text is appended to the # output and we set some global variables. -# to indicate to the caller an SSI error occured. +# to indicate to the caller an SSI error occurred. # All of this is supposed to deal with the issues described # in LonCAPA BZ 5631 see: # http://bugs.lon-capa.org/show_bug.cgi?id=5631 @@ -131,10 +134,10 @@ sub annotate { # On success, returns the rendered resource identified by the resource parameter. # Side Effects: # The following global variables can be set: -# ssi_error - If an unrecoverable error occured this becomes true. +# ssi_error - If an unrecoverable error occurred this becomes true. # It is up to the caller to initialize this to false # if desired. -# ssi_last_error_resource - If an unrecoverable error occured, this is the value +# ssi_last_error_resource - If an unrecoverable error occurred, this is the value # of the resource that could not be rendered by the ssi # call. # ssi_last_error - The error string fetched from the ssi response @@ -149,12 +152,29 @@ sub ssi_with_retries { $ssi_error = 1; $ssi_last_error_resource = $resource; $ssi_last_error = $response->code . " " . $response->message; + $content='\section*{!!! An error occurred !!!}'; + &Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error"); } return $content; } +sub get_student_view_with_retries { + my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_; + + my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv); + if (!$response->is_success) { + $ssi_error = 1; + $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain; + $ssi_last_error = $response->code . " " . $response->message; + $content='\section*{!!! An error occurred !!!}'; + &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain"); + } + return $content; + +} + # # printf_style_subst item format_string repl # @@ -209,9 +229,11 @@ sub printf_style_subst { # %a - Assignment name. # %c - Course name. # %n - Student name. +# %s - The section if it is supplied. # sub format_page_header { - my ($width, $format, $assignment, $course, $student) = @_; + my ($width, $format, $assignment, $course, $student, $section) = @_; + $width = &recalcto_mm($width); # Get width in mm. # Default format? @@ -228,38 +250,36 @@ sub format_page_header { # - Allow the assignment to be 2 lines (wrapped). # my $chars_per_line = $width/2; # Character/textline. + - my $firstline = "$student $course"; - if (length($firstline) > $chars_per_line) { - my $lastchar = $chars_per_line - length($student) - 1; - if ($lastchar > 0) { - $course = substr($course, 0, $lastchar); - } else { # Nothing left of course: - $course = ''; - } - } - if (length($assignment) > $chars_per_line) { - $assignment = substr($assignment, 0, $chars_per_line); + my $name_length = int($chars_per_line *3 /4); + my $sec_length = int($chars_per_line / 5); + + $format = "%$name_length".'n'; + + if ($section) { + $format .= ' - Sec: '."%$sec_length".'s'; } - - $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}"; - - } else { - # An open question is how to handle long user formatted page headers... - # A possible future is to support e.g. %na so that the user can control - # the truncation of the elements that can appear in the header. - # - $format = &printf_style_subst("a", $format, $assignment); - $format = &printf_style_subst("c", $format, $course); - $format = &printf_style_subst("n", $format, $student); - - # If the user put %'s in the format string, they must be escaped - # to \% else LaTeX will think they are comments and terminate - # the line.. which is bad!!! + $format .= '\\\\%c \\\\ %a'; + } + # An open question is how to handle long user formatted page headers... + # A possible future is to support e.g. %na so that the user can control + # the truncation of the elements that can appear in the header. + # + $format = &printf_style_subst("a", $format, $assignment); + $format = &printf_style_subst("c", $format, $course); + $format = &printf_style_subst("n", $format, $student); + $format = &printf_style_subst("s", $format, $section); + + + # If the user put %'s in the format string, they must be escaped + # to \% else LaTeX will think they are comments and terminate + # the line.. which is bad!!! + return $format; @@ -484,12 +504,19 @@ sub adjust_number_to_print { # Unmodified. } else { # Error!!!! - + croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print"; + } } + sub character_chart { + my $result = shift; + return &Apache::entities::replace_entities($result); +} + +sub old_character_chart { my $result = shift; $result =~ s/&\#0?0?(7|9);//g; $result =~ s/&\#0?(10|13);//g; @@ -611,7 +638,7 @@ sub character_chart { $result =~ s/&(\#165|yen);/\\textyen /g; $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; $result =~ s/&(\#167|sect);/\\textsection /g; - $result =~ s/&(\#168|uml);/\\texthighdieresis /g; + $result =~ s/&(\#168|uml);/\\"\{\} /g; $result =~ s/&(\#169|copy);/\\copyright /g; $result =~ s/&(\#170|ordf);/\\textordfeminine /g; $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g; @@ -622,7 +649,7 @@ sub character_chart { $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g; $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g; $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g; - $result =~ s/&(\#180|acute);/\\textacute /g; + $result =~ s/&(\#180|acute);/\\'\{\} /g; $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g; $result =~ s/&(\#182|para);/\\P/g; $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g; @@ -951,6 +978,8 @@ sub get_course { my $courseidinfo; if (defined($env{'request.course.id'})) { $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header'); + my $sec = $env{'request.course.sec'}; + } return $courseidinfo; } @@ -973,7 +1002,6 @@ sub page_format_transformation { my $name = &get_name(); my $courseidinfo = &get_course(); - if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } my $header_text = $parmhash{'print_header_format'}; $header_text = &format_page_header($textwidth, $header_text, $assignment, $courseidinfo, $name); @@ -1124,7 +1152,16 @@ sub print_latex_header { '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n". '\usepackage{wrapfig}'. '\usepackage{picins}\usepackage{calc}'."\n". - '\usepackage[utf8]{inputenc}'."\n". + '\usepackage[T1]{fontenc}'."\n". + '\usepackage[postscript]{ucs}'."\n". + '\usepackage[utf8x]{inputenc}'."\n". + '\usepackage{pifont}' . "\n". + '\usepackage{latexsym}'."\n". + '\usepackage{amsmath}'. + '\usepackage{amssymb}'. + '\usepackage{amsfonts}'. + '\usepackage{amsthm}'. + '\usepackage{amscd}'. '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n". '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n". '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n". @@ -1471,8 +1508,8 @@ ENDPART } if ($helper->{'VARS'}->{'style_file'}=~/\w/) { - &Apache::lonnet::appenv('construct.style' => - $helper->{'VARS'}->{'style_file'}); + &Apache::lonnet::appenv({'construct.style' => + $helper->{'VARS'}->{'style_file'}}); } elsif ($env{'construct.style'}) { &Apache::lonnet::delenv('construct\\.style'); } @@ -1515,7 +1552,7 @@ ENDPART $rndseed=$helper->{'VARS'}->{'curseed'}; } $form{'rndseed'}=$rndseed; - &Apache::lonnet::appenv(%moreenv); + &Apache::lonnet::appenv(\%moreenv); &Apache::lonxml::clear_problem_counter(); @@ -1629,7 +1666,8 @@ ENDPART ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG - ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { + ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') + ) { #-- produce an output string @@ -1637,7 +1675,8 @@ ENDPART $selectionmade = 2; } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') { $selectionmade = 3; - } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') { + } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') + ) { $selectionmade = 4; } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG $selectionmade = 4; @@ -1663,6 +1702,9 @@ ENDPART my $pbreakresources = keys %page_breaks; for (my $i=0;$i<=$#master_seq;$i++) { + &Apache::lonenc::reset_enc(); + + # Note due to document structure, not allowed to put \newpage # prior to the first resource @@ -1671,11 +1713,13 @@ ENDPART $result.="\\newpage\n"; } } - my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]); + my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]); $urlp=&Apache::lonnet::clutter($urlp); $form{'symb'}=$master_seq[$i]; + my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem + if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;} if ($i==0) {$prevassignment=$assignment;} my $texversion=''; @@ -1736,7 +1780,6 @@ ENDPART if (($selectionmade == 4) and ($assignment ne $prevassignment)) { my $name = &get_name(); my $courseidinfo = &get_course(); - if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } $prevassignment=$assignment; my $header_text = $parmhash{'print_header_format'}; $header_text = &format_page_header($textwidth, $header_text, @@ -1787,12 +1830,14 @@ ENDPART } $result .= '\end{document}'; } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') || + ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){ #-- prints assignments for whole class or for selected students my $type; - if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') { + if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') || + ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) { $selectionmade=5; $type='problems'; } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') { @@ -1982,6 +2027,9 @@ ENDPART $rndseed=$helper->{'VARS'}->{'curseed'}; } for (my $i=0;$i<=$#list_of_files;$i++) { + + &Apache::lonenc::reset_enc(); + my $urlp = $list_of_files[$i]; $urlp=~s|//|/|; if ($urlp=~/\//) { @@ -2075,98 +2123,68 @@ ENDPART } } - - # If there's been an unrecoverable SSI error, report it to the user - # otherwise, we can write the tex file. - # - - if ($ssi_error) { - my $end_page = &Apache::loncommon::end_page(); - $r->print(< -

An unrecoverable error occured:

-

- I was not able to render one of the print resources ($ssi_last_error_resource) -due to an unrecoverable error communicating with a server: -
-$ssi_last_error; -
-

-

-I recommend that you try printing again later as this may mean the server was just -temporarily unavailable, or is down for maintenance. If this error persists, then -please contact your LonCAPA support folks for assistance and diagnosis. -
-
-We apologize for the inconvenience. -

-$end_page -ERROR_END - } else { - #-- writing .tex file in prtspool - my $temp_file; - my $identifier = &Apache::loncommon::get_cgi_id(); - my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex"; - if (!($#print_array>0)) { - unless ($temp_file = Apache::File->new('>'.$filename)) { - $r->log_error("Couldn't open $filename for output $!"); - return SERVER_ERROR; - } - print $temp_file $result; - my $begin=index($result,'\begin{document}',0); - my $inc=substr($result,0,$begin+16); - } else { - my $begin=index($result,'\begin{document}',0); - my $inc=substr($result,0,$begin+16); - for (my $i=0;$i<=$#print_array;$i++) { - if ($i==0) { - $print_array[$i]=$result; - } else { - $print_array[$i].='\end{document}'; - $print_array[$i] = - &latex_corrections($number_of_columns,$print_array[$i], - $selectionmade, - $helper->{'VARS'}->{'ANSWER_TYPE'}); - - my $anobegin=index($print_array[$i],'\setcounter{page}',0); - substr($print_array[$i],0,$anobegin)=''; - $print_array[$i]=$inc.$print_array[$i]; - } - my $temp_file; - my $newfilename=$filename; - my $num=$i+1; - $newfilename =~s/\.tex$//; - $newfilename=sprintf("%s_%03d.tex",$newfilename, $num); - unless ($temp_file = Apache::File->new('>'.$newfilename)) { - $r->log_error("Couldn't open $newfilename for output $!"); - return SERVER_ERROR; - } - print $temp_file $print_array[$i]; - } + my $temp_file; + my $identifier = &Apache::loncommon::get_cgi_id(); + my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex"; + if (!($#print_array>0)) { + unless ($temp_file = Apache::File->new('>'.$filename)) { + $r->log_error("Couldn't open $filename for output $!"); + return SERVER_ERROR; + } + print $temp_file $result; + my $begin=index($result,'\begin{document}',0); + my $inc=substr($result,0,$begin+16); + } else { + my $begin=index($result,'\begin{document}',0); + my $inc=substr($result,0,$begin+16); + for (my $i=0;$i<=$#print_array;$i++) { + if ($i==0) { + $print_array[$i]=$result; + } else { + $print_array[$i].='\end{document}'; + $print_array[$i] = + &latex_corrections($number_of_columns,$print_array[$i], + $selectionmade, + $helper->{'VARS'}->{'ANSWER_TYPE'}); + my $anobegin=index($print_array[$i],'\setcounter{page}',0); + substr($print_array[$i],0,$anobegin)=''; + $print_array[$i]=$inc.$print_array[$i]; + } + my $temp_file; + my $newfilename=$filename; + my $num=$i+1; + $newfilename =~s/\.tex$//; + $newfilename=sprintf("%s_%03d.tex",$newfilename, $num); + unless ($temp_file = Apache::File->new('>'.$newfilename)) { + $r->log_error("Couldn't open $newfilename for output $!"); + return SERVER_ERROR; + } + print $temp_file $print_array[$i]; + } + } + my $student_names=''; + if ($#print_array>0) { + for (my $i=0;$i<=$#print_array;$i++) { + $student_names.=$student_names[$i].'_ENDPERSON_'; } - my $student_names=''; - if ($#print_array>0) { - for (my $i=0;$i<=$#print_array;$i++) { - $student_names.=$student_names[$i].'_ENDPERSON_'; - } + } else { + if ($#student_names>-1) { + $student_names=$student_names[0].'_ENDPERSON_'; } else { - if ($#student_names>-1) { - $student_names=$student_names[0].'_ENDPERSON_'; - } else { - my $fullname = &get_name($env{'user.name'},$env{'user.domain'}); - $student_names=join(':',$env{'user.name'},$env{'user.domain'}, + my $fullname = &get_name($env{'user.name'},$env{'user.domain'}); + $student_names=join(':',$env{'user.name'},$env{'user.domain'}, $env{'request.course.sec'},$fullname). '_ENDPERSON_'.'_END_'; - } } + } - # logic for now is too complex to trace if this has been defined - # yet. - my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; - my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; - &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename, + # logic for now is too complex to trace if this has been defined + # yet. + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + &Apache::lonnet::appenv({'cgi.'.$identifier.'.file' => $filename, 'cgi.'.$identifier.'.layout' => $laystyle, 'cgi.'.$identifier.'.numcol' => $numberofcolumns, 'cgi.'.$identifier.'.paper' => $papersize, @@ -2176,21 +2194,34 @@ ERROR_END 'cgi.'.$identifier.'.role' => $perm{'pav'}, 'cgi.'.$identifier.'.numberoffiles' => $#print_array, 'cgi.'.$identifier.'.studentnames' => $student_names, - 'cgi.'.$identifier.'.backref' => $URLback,); - &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'}, + 'cgi.'.$identifier.'.backref' => $URLback,}); + &Apache::lonnet::appenv({"cgi.$identifier.user" => $env{'user.name'}, "cgi.$identifier.domain" => $env{'user.domain'}, "cgi.$identifier.courseid" => $cnum, "cgi.$identifier.coursedom" => $cdom, - "cgi.$identifier.resources" => $resources_printed); + "cgi.$identifier.resources" => $resources_printed}); - my $end_page = &Apache::loncommon::end_page(); + my $end_page = &Apache::loncommon::end_page(); + my $continue_text = &mt('Continue'); + # If there's been an unrecoverable SSI error, report it to the user + if ($ssi_error) { + my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk'); + $r->print('

'.&mt('An unrecoverable network error occurred:').'

'. + &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:'). + '
'.$ssi_last_error_resource.'
'.$ssi_last_error. + '

'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'
'. + &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.'). + '
'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'

'. + &mt('We apologize for the inconvenience.').'

'. + ''.$continue_text.''.$end_page); + } else { $r->print(< -Continue +$continue_text $end_page FINALEND - } # endif ssi errors. + } # endif ssi errors. } @@ -2263,7 +2294,7 @@ sub print_resources { &Apache::lonxml::remember_problem_counter(); - my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); + my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { @@ -2305,7 +2336,7 @@ sub print_resources { $current_output .= $rendered; } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { $printed .= $curresline.':'; - my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); + my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') { my $url = &Apache::lonnet::clutter($res_url); my $annotation = &annotate($url); @@ -2333,12 +2364,10 @@ sub print_resources { if (&Apache::loncommon::connection_aborted($r)) { last; } } my $courseidinfo = &get_course(); - if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } - if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection} my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header'); my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'}, - $currentassignment, $courseidinfo, $fullname); + $currentassignment, $courseidinfo, $fullname, $usersection); my $header_start = ($columns_in_format == 1) ? '\lhead' : '\fancyhead[LO]'; $header_line = $header_start.'{'.$header_line.'}'; @@ -2673,6 +2702,7 @@ HELPERFRAGMENT push @{$printChoices}, [&mtn('Selected Problems from entire course'), 'all_problems', 'ALL_PROBLEMS']; push @{$printChoices}, [&mtn('Selected Resources from entire course'), 'all_resources', 'ALL_RESOURCES']; + push @{$printChoices}, [&mtn('Selected Problems from entire course for selected people'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS']; &Apache::lonxml::xmlparse($r, 'helper', < + + + STUDENTS1 + return $isProblemOrMap; + return $isNotMap; + return $symbFilter; + $start_new_option + + + + Select sorting order of printout + + Sort by section then student + Sort by students across sections. + +

+ + + ALL_PROBLEMS if ($helper->{VARS}->{'assignment'}) {