--- loncom/interface/lonprintout.pm 2006/08/08 17:32:02 1.477 +++ loncom/interface/lonprintout.pm 2006/10/24 10:37:58 1.490 @@ -2,7 +2,7 @@ # The LearningOnline Network # Printout # -# $Id: lonprintout.pm,v 1.477 2006/08/08 17:32:02 albertel Exp $ +# $Id: lonprintout.pm,v 1.490 2006/10/24 10:37:58 foxr Exp $ # # Copyright Michigan State University Board of Trustees # @@ -23,7 +23,6 @@ # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt -# # http://www.lon-capa.org/ # # @@ -50,6 +49,52 @@ my %perm; my %parmhash; my $resources_printed; +# +# printf_style_subst item format_string repl +# +# Does printf style substitution for a format string that +# can have %[n]item in it.. wherever, %[n]item occurs, +# rep is substituted in format_string. Note that +# [n] is an optional integer length. If provided, +# repl is truncated to at most [n] characters prior to +# substitution. +# +sub printf_style_subst { + my ($item, $format_string, $repl) = @_; + my $result = ""; + while ($format_string =~ /(%)(\d*)\Q$item\E/g ) { + my $fmt = $1; + my $size = $2; + my $subst = $repl; + if ($size ne "") { + $subst = substr($subst, 0, $size); + + # Here's a nice edge case.. supose the end of the + # substring is a \. In that case may have just + # chopped off a TeX escape... in that case, we append + # " " for the trailing character, and let the field + # spill over a bit (sigh). + # We don't just chop off the last character in order to deal + # with one last pathology, and that would be if substr had + # trimmed us to e.g. \\\ + + + if ($subst =~ /\\$/) { + $subst .= " "; + } + } + my $item_pos = pos($format_string); + $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst; + $format_string = substr($format_string, pos($format_string)); + } + + # Put the residual format string into the result: + + $result .= $format_string; + + return $result; +} + # Format a header according to a format. # @@ -60,17 +105,54 @@ my $resources_printed; # %n - Student name. # sub format_page_header { - my ($format, $assignment, $course, $student) = @_; + my ($width, $format, $assignment, $course, $student) = @_; + $width = &recalcto_mm($width); # Get width in mm. # Default format? if ($format eq '') { + # For the default format, we may need to truncate + # elements.. To do this we need to get the page width. + # we assume that each character is about 2mm in width. + # (correct for the header text size??). We ignore + # any formatting (e.g. boldfacing in this). + # + # - Allow the student/course to be one line. + # but only truncate the course. + # - 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); + } + $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}"; } else { - $format =~ s/%a/$assignment/g; - $format =~ s/%c/$course/g; - $format =~ s/%n/$student/g; + # 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, $student); + + # If the user put %'s in the format string, they must be escaped + # to \% else LaTeX will think they are comments and terminate + # the line.. which is bad!!! + + } @@ -94,7 +176,7 @@ sub num_to_letters { sub letters_to_num { my ($letters) = @_; my @letters = split('', uc($letters)); - my %substitution; + my %substitution; my $digit = 0; foreach my $letter ('A'..'J') { $substitution{$letter} = $digit; @@ -628,8 +710,8 @@ my %page_formats= '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'] }, 'album' => { - '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.83 in','1 cm'], - '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in'] + '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','1 cm'], + '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in'] }, }, 'legal' => { @@ -761,7 +843,7 @@ sub page_format_transformation { my $courseidinfo = &get_course(); if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } my $header_text = $parmhash{'print_header_format'}; - $header_text = &format_page_header($header_text, $assignment, + $header_text = &format_page_header($textwidth, $header_text, $assignment, $courseidinfo, $name); my $topmargintoinsert = ''; if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';} @@ -812,6 +894,8 @@ sub details_for_menu { if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; } my $name_of_resource = &Apache::lonnet::gettitle($postdata); my $symbolic = &Apache::lonnet::symbread($postdata); + return if ( $symbolic eq ''); + my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic); $map=&Apache::lonnet::clutter($map); my $name_of_sequence = &Apache::lonnet::gettitle($map); @@ -1465,7 +1549,7 @@ ENDPART if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } $prevassignment=$assignment; my $header_text = $parmhash{'print_header_format'}; - $header_text = &format_page_header($header_text, + $header_text = &format_page_header($textwidth, $header_text, $assignment, $courseidinfo, $name); @@ -2003,7 +2087,7 @@ sub print_resources { if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection} my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header'); my $header_line = - &format_page_header($parmhash{'print_header_format'}, + &format_page_header($LaTeXwidth, $parmhash{'print_header_format'}, $currentassignment, $courseidinfo, $fullname); my $header_start = ($columns_in_format == 1) ? '\lhead' : '\fancyhead[LO]'; @@ -2124,6 +2208,7 @@ sub printHelper { $helper->declareVar('FINISHPAGE'); $helper->declareVar('PRINT_TYPE'); $helper->declareVar("showallfoils"); + $helper->declareVar("STUDENTS"); # The page breaks can get loaded initially from the course environment: # But we only do this in the initial state so that they are allowed to change. @@ -2135,6 +2220,8 @@ sub printHelper { {'pagebreaks' => 'scalar', 'lastprinttype' => 'scalar'}); + # This will persistently load in the data we want from the + # very first screen. if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) { if (!defined ($env{"form.CURRENT_STATE"})) { @@ -2149,9 +2236,7 @@ sub printHelper { } - - # This will persistently load in the data we want from the - # very first screen. + # Detect whether we're coming from construction space if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) { $helper->{VARS}->{'filename'} = "~$1/$2"; @@ -2159,6 +2244,9 @@ sub printHelper { } else { if ($env{'form.postdata'}) { $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'}); + if ( $helper->{VARS}->{'symb'} eq '') { + $helper->{VARS}->{'postdata'} = $env{'form.postdata'}; + } } if ($env{'form.symb'}) { $helper->{VARS}->{'symb'} = $env{'form.symb'}; @@ -2186,6 +2274,7 @@ sub printHelper { my $symb = $helper->{VARS}->{'symb'}; my ($map, $id, $url); my $subdir; + my $is_published=0; # True when printing from resource space. # Get the resource name from construction space if ($helper->{VARS}->{'construction'}) { @@ -2194,9 +2283,15 @@ sub printHelper { $subdir = substr($helper->{VARS}->{'filename'}, 0, rindex($helper->{VARS}->{'filename'}, '/') + 1); } else { - ($map, $id, $url) = &Apache::lonnet::decode_symb($symb); - $helper->{VARS}->{'postdata'} = - &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url)); + if ($symb ne '') { + ($map, $id, $url) = &Apache::lonnet::decode_symb($symb); + $helper->{VARS}->{'postdata'} = + &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url)); + } else { + $url = $helper->{VARS}->{'postdata'}; + $is_published=1; # From resource space. + } + $url = &Apache::lonnet::clutter($url); if (!$resourceTitle) { # if the resource doesn't have a title, use the filename my $postdata = $helper->{VARS}->{'postdata'}; @@ -2217,11 +2312,6 @@ sub printHelper { # "Delete everything after the last slash." $subdir =~ s|/[^/]+$||; - if (not $helper->{VARS}->{'construction'}) { - $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir; - } - # "Remove all duplicate slashes." - $subdir =~ s|/+|/|g; # What can be printed is a very dynamic decision based on # lots of factors. So we need to dynamically build this list. @@ -2262,7 +2352,7 @@ sub printHelper { "' variable='FINISHPAGE' />"; } - if (($helper->{'VARS'}->{'construction'} ne '1') && + if (($helper->{'VARS'}->{'construction'} ne '1' ) && $helper->{VARS}->{'postdata'} && $helper->{VARS}->{'assignment'}) { @@ -2300,7 +2390,7 @@ HELPERFRAGMENT # If the user has pfo (print for otheres) allow them to print all # problems and resources in the entier course, optionally for selected students - if ($perm{'pfo'} && + if ($perm{'pfo'} && !$is_published && ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { push @{$printChoices}, ['Selected Problems from entire course', 'all_problems', 'ALL_PROBLEMS']; @@ -2328,7 +2418,7 @@ HELPERFRAGMENT ALL_PROBLEMS if ($helper->{VARS}->{'assignment'}) { - push @{$printChoices}, [&mt("Selected Problems from folder [_1] for selected students",$sequenceTitle), 'problems_for_students', 'CHOOSE_STUDENTS']; + push @{$printChoices}, [&mt("Selected Problems from folder [_1] for selected people",$sequenceTitle), 'problems_for_students', 'CHOOSE_STUDENTS']; push @{$printChoices}, [&mt("Selected Problems from folder [_1] for CODEd assignments",$sequenceTitle), 'problems_for_anon', 'CHOOSE_ANON1']; } @@ -2375,7 +2465,7 @@ RESOURCE_SELECTOR &Apache::lonxml::xmlparse($r, 'helper', < - Select sort order + Select sorting order of printout Sort by section then student Sort by students across sections. @@ -2503,7 +2593,7 @@ CHOOSE_ANON1 if ($helper->{VARS}->{'assignment'}) { - push @{$printChoices}, [&mt("Selected Resources from folder [_1] for selected students",$sequenceTitle), 'resources_for_students', 'CHOOSE_STUDENTS1']; + push @{$printChoices}, [&mt("Selected Resources from folder [_1] for selected people",$sequenceTitle), 'resources_for_students', 'CHOOSE_STUDENTS1']; push @{$printChoices}, [&mt("Selected Resources from folder [_1] for CODEd assignments",$sequenceTitle), 'resources_for_anon', 'CHOOSE_ANON2']; } @@ -2613,12 +2703,21 @@ CHOOSE_ANON2 } # FIXME: That RE should come from a library somewhere. - if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $perm{'pav'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') { - push @{$printChoices}, [&mt("Selected Problems from current subdirectory [_1]",$subdir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR']; + if (($perm{'pav'} + && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/' + && (defined($helper->{'VARS'}->{'construction'}) + || + (&Apache::lonnet::allowed('bre',$subdir) eq 'F' + && + $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/) + )) + && $helper->{VARS}->{'assignment'} eq "" + ) { - my $f = '$filename'; + my $pretty_dir = &Apache::lonnet::hreflocation($subdir); + push @{$printChoices}, [&mt("Selected Problems from current subdirectory [_1]",$pretty_dir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR']; my $xmlfrag = < + PAGESIZE @@ -2639,7 +2738,7 @@ CHOOSE_FROM_SUBDIR # Allow the user to select any sequence in the course, feed it to # another resource selector for that sequence - if (!$helper->{VARS}->{'construction'}) { + if (!$helper->{VARS}->{'construction'} && !$is_published) { push @$printChoices, ["Selected Resources from selected folder in course", 'select_sequences', 'CHOOSE_SEQUENCE']; my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};