Annotation of loncom/interface/lonprintout.pm, revision 1.28
1.1 www 1: # The LearningOnline Network
2: # Printout
3: #
1.28 ! sakharuk 4: # $Id: lonprintout.pm,v 1.27 2002/05/09 18:56:21 sakharuk Exp $
1.11 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.1 www 28: # (Internal Server Error Handler
29: #
30: # (Login Screen
31: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
32: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
33: #
34: # 3/1/1 Gerd Kortemeyer)
35: #
36: # 3/1 Gerd Kortemeyer
37: #
1.3 sakharuk 38: # 9/17 Alex Sakharuk
39: #
1.1 www 40: package Apache::lonprintout;
41:
42: use strict;
1.10 albertel 43: use Apache::Constants qw(:common :http);
1.2 sakharuk 44: use Apache::lonxml;
45: use Apache::lonnet;
1.13 sakharuk 46: use Apache::inputtags;
47: use Apache::edit;
1.5 sakharuk 48: use Apache::File();
1.1 www 49:
1.3 sakharuk 50:
51:
52: sub headerform {
1.1 www 53: my $r = shift;
1.3 sakharuk 54: $r->print(<<ENDHEADER);
55: <html>
56: <head>
57: <title>LON-CAPA output for printing</title>
58: </head>
59: <body bgcolor="FFFFFF">
60: <form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">
1.16 sakharuk 61: <h1>What do you want to print? Make a choice.</h1><br />
1.3 sakharuk 62: ENDHEADER
63: }
64:
1.1 www 65:
1.3 sakharuk 66: sub menu_for_output {
67: my $r = shift;
1.28 ! sakharuk 68: $r->print(<<ENDMENUOUT1);
1.3 sakharuk 69: <input type="hidden" name="phase" value="two">
1.10 albertel 70: <input type="hidden" name="url" value="$ENV{'form.postdata'}">
1.25 sakharuk 71: <input type="radio" name="choice" value="Standard LaTeX output for current document" checked> Current document
1.16 sakharuk 72: (you will print what you see on the screen)<br />
1.19 sakharuk 73: <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence"> All problems from the primary sequence<br />
1.20 sakharuk 74: <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 />
1.19 sakharuk 75: <input type="radio" name="choice" value="Standard LaTeX output for the top level sequence"> All problems from the top level sequence<br />
1.28 ! sakharuk 76: <br />
! 77: ENDMENUOUT1
! 78: if ($ENV{'user.adv'} eq '1') {
! 79: $r->print(<<ENDMENUOUT2);
! 80: <input type="radio" name="choice" value="Subdirectory print"> All problems from particular subdirectory <input type="text" name="subdirect" value="/res/"><br />
! 81: ENDMENUOUT2
! 82: }
! 83: $r->print(<<ENDMENUOUT3);
1.16 sakharuk 84: <br /><hr /><br />
85: <h1>And what page format do you prefer?</h1>
1.28 ! sakharuk 86: <input type="radio" name="layout" value="CBI"> Two columns landscape <br />
! 87: <input type="radio" name="layout" value="CAPA" checked> Two columns portrait <br />
1.16 sakharuk 88: <input type="submit" value="Submit your choice">
1.3 sakharuk 89: </form>
90: </body>
91: </html>
1.28 ! sakharuk 92: ENDMENUOUT3
1.3 sakharuk 93: }
1.2 sakharuk 94:
95:
1.16 sakharuk 96:
97:
1.3 sakharuk 98: sub output_data {
99: my $r = shift;
100: $r->print(<<ENDPART);
101: <html>
102: <head>
103: <title>LON-CAPA output for printing</title>
104: </head>
105: <body bgcolor="FFFFFF">
106: <hr>
107: ENDPART
1.2 sakharuk 108:
1.3 sakharuk 109: my $choice = $ENV{'form.choice'};
1.16 sakharuk 110: my $layout = $ENV{'form.layout'};
1.28 ! sakharuk 111: my $subdirtoprint = $ENV{'form.subdirect'};
1.16 sakharuk 112: my $laystyle = 'book';
1.2 sakharuk 113: my $result = '';
114: my %mystyle;
1.6 sakharuk 115: my $filename;
1.5 sakharuk 116:
1.3 sakharuk 117: if ($choice eq 'Standard LaTeX output for current document') {
1.14 albertel 118: my %moreenv;
119: my $currequest=$ENV{'request.filename'};
120: $moreenv{'form.grade_target'}='tex';
121: $moreenv{'request.filename'}=$ENV{'form.url'};
122: &Apache::lonnet::appenv(%moreenv);
123: my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});
124: &Apache::lonnet::delenv('form.grade_target');
125: %moreenv = ();
126: $moreenv{'request.filename'}=$currequest;
127: &Apache::lonnet::appenv(%moreenv);
128: $result .= $texversion;
1.16 sakharuk 129:
1.20 sakharuk 130: } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or $choice eq 'Standard LaTeX output for whole primary sequence') {
1.18 sakharuk 131: #-- where is the primary sequence containing file?
132: my %moreenv;
133: my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
134: $_ = $symbolic;
135: m/([^_]+)_/;
136: my $primary_sequence = '/res/'.$1;
137: #-- open and analyses the primary sequence
138: my $sequence_file=&Apache::lonnet::filelocation("",$primary_sequence);
139: my $sequencefilecontents=&Apache::lonnet::getfile($sequence_file);
140: my @master_seq = &content_map($sequencefilecontents);
141: #-- produce an output string
142: for (my $i=0;$i<=$#master_seq;$i++) {
143: $_ = $master_seq[$i];
144: m/\"(.*)\"/;
145: $_ = $1;
146: my $urlp = $1;
1.20 sakharuk 147: if ($choice eq 'Standard LaTeX output for the primary sequence') {
1.21 sakharuk 148: if (/\.(problem|exam|quiz|assess|survey|form|library)/) {
1.20 sakharuk 149: my %moreenv;
150: $moreenv{'form.grade_target'}='tex';
151: &Apache::lonnet::appenv(%moreenv);
152: my $texversion=&Apache::lonnet::ssi($urlp);
153: &Apache::lonnet::delenv('form.grade_target');
154: $result .= $texversion;
155: }
156: } else {
1.18 sakharuk 157: $moreenv{'form.grade_target'}='tex';
158: &Apache::lonnet::appenv(%moreenv);
159: my $texversion=&Apache::lonnet::ssi($urlp);
160: &Apache::lonnet::delenv('form.grade_target');
1.20 sakharuk 161: $result .= $texversion;
1.16 sakharuk 162: }
1.28 ! sakharuk 163: }
! 164: $result = &additional_cleanup($result);
1.13 sakharuk 165: } elsif ($choice eq 'Standard LaTeX output for the top level sequence') {
166: my @master_seq = ();
1.19 sakharuk 167: my @add_file_seq = ();
1.16 sakharuk 168: #-- where is the main sequence of the course?
1.13 sakharuk 169: my $main_seq = '/res/'.$ENV{'request.course.uri'};
170: my $file=&Apache::lonnet::filelocation("",$main_seq);
171: my $filecontents=&Apache::lonnet::getfile($file);
172: my @file_seq = &content_map($filecontents);
1.19 sakharuk 173: #-- do we have any other sequence inside?
174: my $i=0;
175: while ($i<=$#file_seq) {
176: $_ = $file_seq[$i];
177: if (/\.sequence$/) {
178: $file = &Apache::lonnet::filelocation("",$file_seq[$i]);
179: $filecontents=&Apache::lonnet::getfile($file);
180: @add_file_seq = &content_map($filecontents);
181: splice(@file_seq,$i,1,@add_file_seq);
182: @add_file_seq = ();
183: $i = -1;
184: }
185: $i++;
186: }
187: @master_seq = @file_seq;
1.13 sakharuk 188: #-- produce an output string
189: for (my $i=0;$i<=$#master_seq;$i++) {
190: $_ = $master_seq[$i];
191: m/\"(.*)\"/;
192: $_ = $1;
193: my $urlp = $1;
1.21 sakharuk 194: if (/\.(problem|exam|quiz|assess|survey|form|library)/) {
1.13 sakharuk 195: my %moreenv;
196: $moreenv{'form.grade_target'}='tex';
197: &Apache::lonnet::appenv(%moreenv);
198: my $texversion=&Apache::lonnet::ssi($urlp);
199: &Apache::lonnet::delenv('form.grade_target');
200: $result .= $texversion;
201: }
1.28 ! sakharuk 202: }
! 203: $result = &additional_cleanup($result);
! 204: } elsif ($choice eq 'Subdirectory print') {
! 205: if (&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') {
! 206: my $locald = &Apache::lonnet::filelocation("",$subdirtoprint);
! 207: unless (-e $locald) {
! 208: #do something in the case of the absence of this subdirectory on the local mashine
! 209: #replication process
! 210: }
! 211: my @list_of_files = ();
! 212: my @content_directory = &Apache::lonnet::dirlist($subdirtoprint);
! 213: for (my $iy=0;$iy<=$#content_directory;$iy++) {
! 214: my @tempo_array = split(/&/,$content_directory[$iy]);
! 215: $content_directory[$iy] = $tempo_array[0];
! 216: if ($content_directory[$iy] =~ m/\.problem$/) {
! 217: push @list_of_files,$content_directory[$iy];
! 218: }
! 219: }
! 220: for (my $i=0;$i<=$#list_of_files;$i++) {
! 221: $subdirtoprint =~ s/\/$//;
! 222: my $urlp = $subdirtoprint.'/'.$list_of_files[$i];
! 223: my %moreenv;
! 224: $moreenv{'form.grade_target'}='tex';
! 225: &Apache::lonnet::appenv(%moreenv);
! 226: my $texversion=&Apache::lonnet::ssi($urlp);
! 227: &Apache::lonnet::delenv('form.grade_target');
! 228: $texversion =~ s/(\\begin{document})/$1 {\\tiny\\begin{verbatim}$urlp\\end{verbatim}}/;
! 229: $result .= $texversion;
! 230: }
! 231: $result = &additional_cleanup($result);
! 232:
! 233: } else {
! 234: #message "you not allowed to do this"
1.13 sakharuk 235: }
1.28 ! sakharuk 236:
! 237:
! 238:
! 239:
! 240:
1.7 sakharuk 241: }
1.16 sakharuk 242: #-- corrections for the different page formats
243: if ($layout eq 'CBI') {
244: $result =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{-40pt}\\setlength{\\evensidemargin}{-60pt}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{4\.4in}\\setlength{\\textheight}{6\.8in}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt} \\begin{document}/;
245: $laystyle = 'album';
246: } elsif ($layout eq 'CAPA') {
247: my $courseidinfo = $ENV{'request.role'};
248: $_ = $courseidinfo;
249: m/.*\/(.*)/;
250: $courseidinfo = $ENV{'course.physnet_'.$1.'.description'};
251: $result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass\[twocolumn\]{article}/;
1.24 sakharuk 252: $result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 7\.7in\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}}\\hskip 1\.4in $courseidinfo \\vskip 5 mm /;
1.27 sakharuk 253: $result =~ s/\\includegraphics{/\\includegraphics\[width=9\.0 cm\]{/g;
1.25 sakharuk 254: $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/;
1.16 sakharuk 255: }
1.23 sakharuk 256: #-- LaTeX corrections
257: my $first_comment = index($result,'<!--',0);
258: while ($first_comment != -1) {
259: my $end_comment = index($result,'-->',$first_comment);
260: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
261: $first_comment = index($result,'<!--',$first_comment);
262: }
1.17 sakharuk 263: $result =~ s/^\s+$//gm; #remove empty lines
264: $result =~ s/%/\\%/g; #corrects %
1.20 sakharuk 265: $result =~ s/(\s)+/$1/g; #removes more than one empty space
1.23 sakharuk 266: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
1.22 sakharuk 267: $result =~ s/ (<|>|) / \$$1\$ /g; #corrects < or >
1.24 sakharuk 268: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
1.23 sakharuk 269: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.24 sakharuk 270: $result =~ s/\\\\\s+\[/ \[/g;
271: $result =~ s/θ/\$\\theta\$/g; #converts theta from html into tex
1.7 sakharuk 272: #-- writing .tex file in prtspool
1.16 sakharuk 273: my $temp_file;
1.20 sakharuk 274: $filename = "/home/httpd/prtspool/$ENV{'user.name'}$ENV{'user.domain'}temp$ENV{'user.login.time'}.tex";
1.16 sakharuk 275: unless ($temp_file = Apache::File->new('>'.$filename)) {
276: $r->log_error("Couldn't open $filename for output $!");
277: return SERVER_ERROR;
278: }
279: print $temp_file $result;
1.3 sakharuk 280: $r->print(<<FINALEND);
1.26 sakharuk 281: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle">
1.3 sakharuk 282: </body>
283: </html>
284: FINALEND
285: }
1.2 sakharuk 286:
1.28 ! sakharuk 287: sub additional_cleanup {
! 288: my $result = shift;
! 289: my $first_app = index($result,'\documentclass',0);
! 290: $first_app = index($result,'\documentclass',$first_app+5);
! 291: while ($first_app != -1) {
! 292: my $second_app = index($result,'begin{document}',$first_app);
! 293: $first_app = rindex($result,'\end{document}',$first_app);
! 294: substr($result,$first_app,$second_app-$first_app+15) = '\vskip 3 mm';
! 295: $first_app = index($result,'\documentclass',$first_app+5);
! 296: }
! 297: return $result;
! 298: }
1.6 sakharuk 299:
300:
1.3 sakharuk 301: sub content_map {
1.7 sakharuk 302: #-- find a list of files to print
1.3 sakharuk 303: my $map_string = shift;
1.5 sakharuk 304: my @number_seq = ();
1.7 sakharuk 305: my @file_seq = ();
1.5 sakharuk 306: my $startlink = index($map_string,'<link',0);
1.7 sakharuk 307: my $endlink = index($map_string,'</link>',$startlink);
308: my $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
309: $_ = $chunk;
310: m/from=\"(\d+)\"/;
311: push @number_seq,$1;
1.5 sakharuk 312: while ($startlink != -1) {
1.7 sakharuk 313: $endlink = index($map_string,'</link>',$startlink);
314: $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
1.5 sakharuk 315: substr($map_string,$startlink,$endlink-$startlink+7) = '';
316: $_ = $chunk;
317: m/to=\"(\d+)\"/;
318: push @number_seq,$1;
1.13 sakharuk 319: $startlink = index($map_string,'from="'.$1.'"',$startlink);
1.18 sakharuk 320: $startlink = rindex($map_string,'<link ',$startlink);
1.5 sakharuk 321: }
1.7 sakharuk 322: my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink);
323: while ($stalink != -1) {
324: $startlink = rindex($map_string,'<link ',$stalink);
325: $endlink = index($map_string,'</link>',$startlink);
326: $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
327: substr($map_string,$startlink,$endlink-$startlink+7) = '';
328: $_ = $chunk;
329: m/from=\"(\d+)\"/;
330: unshift @number_seq,$1;
331: $stalink = index($map_string,' to="'.$number_seq[0].'"',0);
332: }
333: for (my $i=0;$i<=$#number_seq;$i++) {
334: $stalink = index($map_string,' id="'.$number_seq[$i].'"',0);
1.13 sakharuk 335: {
336: my $ahed1 = index($map_string,'src="',$stalink);
337: my $ahed2 = index($map_string,'</resource>',$stalink);
338: if ($ahed1 != -1) {
339: if ($ahed1 < $ahed2) {
340: $startlink = $ahed1;
341: } else {
342: $startlink = rindex($map_string,'src="',$stalink);
343: }
344: } else {
345: $startlink = rindex($map_string,'src="',$stalink);
346: }
347:
348: }
1.7 sakharuk 349: $startlink = index($map_string,'"',$startlink);
350: $endlink = index($map_string,'"',$startlink+1);
351: $chunk = substr($map_string,$startlink,$endlink-$startlink+1);
352: push @file_seq,$chunk;
353: }
354: return @file_seq;
355: }
1.5 sakharuk 356:
1.3 sakharuk 357:
358:
359: sub handler {
360:
361: my $r = shift;
362: $r->content_type('text/html');
363: $r->send_http_header;
364:
365: #-- start form
366: &headerform($r);
367: #-- menu for output
1.16 sakharuk 368: unless ($ENV{'form.phase'}) {
1.3 sakharuk 369: &menu_for_output($r);
370: }
371: #-- core part
372: if ($ENV{'form.phase'} eq 'two') {
373: &output_data($r);
374: }
1.2 sakharuk 375: return OK;
376:
1.1 www 377: }
378:
379: 1;
380: __END__
1.6 sakharuk 381:
382:
1.13 sakharuk 383:
384:
385: #### Test block
1.6 sakharuk 386: # my $ere;
387: # foreach $ere (%ENV) {
1.13 sakharuk 388: # $result .= ' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n";
1.6 sakharuk 389: # }
1.13 sakharuk 390: ####
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