1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.31 2002/05/22 21:10:42 sakharuk Exp $
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: #
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: #
38: # 9/17 Alex Sakharuk
39: #
40: package Apache::lonprintout;
41:
42: use strict;
43: use Apache::Constants qw(:common :http);
44: use Apache::lonxml;
45: use Apache::lonnet;
46: use Apache::inputtags;
47: use Apache::edit;
48: use Apache::File();
49:
50:
51:
52: sub headerform {
53: my $r = shift;
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">
61: <h1>What do you want to print? Make a choice.</h1><br />
62: ENDHEADER
63: }
64:
65:
66: sub menu_for_output {
67: my $r = shift;
68: $r->print(<<ENDMENUOUT1);
69: <input type="hidden" name="phase" value="two">
70: <input type="hidden" name="url" value="$ENV{'form.postdata'}">
71: <input type="radio" name="choice" value="Standard LaTeX output for current document" checked> Current document
72: (you will print what you see on the screen)<br />
73: <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence"> All problems from the primary sequence<br />
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 />
75: <input type="radio" name="choice" value="Standard LaTeX output for the top level sequence"> All problems from the top level sequence<br />
76: <br />
77: ENDMENUOUT1
78: my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
79: $subdirtoprint =~ s/\/[^\/]+$//;
80: if (&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') {
81: $r->print(<<ENDMENUOUT2);
82: <input type="radio" name="choice" value="Subdirectory print"> All problems from current subdirectory (where this particular problem is)<br />
83: ENDMENUOUT2
84: }
85: $r->print(<<ENDMENUOUT3);
86: <br /><hr /><br />
87: <h1>And what page format do you prefer?</h1>
88: <input type="radio" name="layout" value="CBI"> Two columns landscape <br />
89: <input type="radio" name="layout" value="CAPA" checked> Two columns portrait <br />
90: <input type="submit" value="Submit your choice">
91: </form>
92: </body>
93: </html>
94: ENDMENUOUT3
95: }
96:
97:
98:
99:
100: sub output_data {
101: my $r = shift;
102: $r->print(<<ENDPART);
103: <html>
104: <head>
105: <title>LON-CAPA output for printing</title>
106: </head>
107: <body bgcolor="FFFFFF">
108: <hr>
109: ENDPART
110:
111: my $choice = $ENV{'form.choice'};
112: my $layout = $ENV{'form.layout'};
113: my $subdirtoprint = $ENV{'form.subdirect'};
114: my $laystyle = 'book';
115: my $result = '';
116: my %mystyle;
117: my $filename;
118:
119: if ($choice eq 'Standard LaTeX output for current document') {
120: my %moreenv;
121: my $currequest=$ENV{'request.filename'};
122: $moreenv{'form.grade_target'}='tex';
123: $moreenv{'request.filename'}=$ENV{'form.url'};
124: &Apache::lonnet::appenv(%moreenv);
125: my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});
126: &Apache::lonnet::delenv('form.grade_target');
127: %moreenv = ();
128: $moreenv{'request.filename'}=$currequest;
129: &Apache::lonnet::appenv(%moreenv);
130: $result .= $texversion;
131: $result = &additional_cleanup($result);
132: } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or $choice eq 'Standard LaTeX output for whole primary sequence') {
133: #-- where is the primary sequence containing file?
134: my %moreenv;
135: my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
136: $_ = $symbolic;
137: m/([^_]+)_/;
138: my $primary_sequence = '/res/'.$1;
139: #-- open and analyses the primary sequence
140: my $sequence_file=&Apache::lonnet::filelocation("",$primary_sequence);
141: my $sequencefilecontents=&Apache::lonnet::getfile($sequence_file);
142: my @master_seq = &content_map($sequencefilecontents);
143: #-- produce an output string
144: for (my $i=0;$i<=$#master_seq;$i++) {
145: $_ = $master_seq[$i];
146: m/\"(.*)\"/;
147: $_ = $1;
148: my $urlp = $1;
149: if ($choice eq 'Standard LaTeX output for the primary sequence') {
150: if (/\.(problem|exam|quiz|assess|survey|form|library)/) {
151: my %moreenv;
152: $moreenv{'form.grade_target'}='tex';
153: &Apache::lonnet::appenv(%moreenv);
154: my $texversion=&Apache::lonnet::ssi($urlp);
155: &Apache::lonnet::delenv('form.grade_target');
156: $result .= $texversion;
157: }
158: } else {
159: $moreenv{'form.grade_target'}='tex';
160: &Apache::lonnet::appenv(%moreenv);
161: my $texversion=&Apache::lonnet::ssi($urlp);
162: &Apache::lonnet::delenv('form.grade_target');
163: $result .= $texversion;
164: }
165: }
166: $result = &additional_cleanup($result);
167: } elsif ($choice eq 'Standard LaTeX output for the top level sequence') {
168: my @master_seq = ();
169: my @add_file_seq = ();
170: #-- where is the main sequence of the course?
171: my $main_seq = '/res/'.$ENV{'request.course.uri'};
172: my $file=&Apache::lonnet::filelocation("",$main_seq);
173: my $filecontents=&Apache::lonnet::getfile($file);
174: my @file_seq = &content_map($filecontents);
175: #-- do we have any other sequence inside?
176: my $i=0;
177: while ($i<=$#file_seq) {
178: $_ = $file_seq[$i];
179: if (/\.sequence$/) {
180: $file = &Apache::lonnet::filelocation("",$file_seq[$i]);
181: $filecontents=&Apache::lonnet::getfile($file);
182: @add_file_seq = &content_map($filecontents);
183: splice(@file_seq,$i,1,@add_file_seq);
184: @add_file_seq = ();
185: $i = -1;
186: }
187: $i++;
188: }
189: @master_seq = @file_seq;
190: #-- produce an output string
191: for (my $i=0;$i<=$#master_seq;$i++) {
192: $_ = $master_seq[$i];
193: m/\"(.*)\"/;
194: $_ = $1;
195: my $urlp = $1;
196: if (/\.(problem|exam|quiz|assess|survey|form|library)/) {
197: my %moreenv;
198: $moreenv{'form.grade_target'}='tex';
199: &Apache::lonnet::appenv(%moreenv);
200: my $texversion=&Apache::lonnet::ssi($urlp);
201: &Apache::lonnet::delenv('form.grade_target');
202: $result .= $texversion;
203: }
204: }
205: $result = &additional_cleanup($result);
206: } elsif ($choice eq 'Subdirectory print') {
207: my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
208: $subdirtoprint =~ s/\/[^\/]+$//;
209: my @list_of_files = ();
210: my $localdirectory = $subdirtoprint;
211: $localdirectory =~ s/.*(\/res\/)/$1/;
212: my @content_directory = &Apache::lonnet::dirlist($localdirectory);
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: $localdirectory =~ s/\/$//;
221: for (my $i=0;$i<=$#list_of_files;$i++) {
222: my $urlp = $localdirectory.'/'.$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:
234:
235:
236:
237:
238: }
239: #-- corrections for the different page formats
240: if ($layout eq 'CBI') {
241: $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}/;
242: $laystyle = 'album';
243: } elsif ($layout eq 'CAPA') {
244: my $courseidinfo = $ENV{'request.role'};
245: $_ = $courseidinfo;
246: m/.*\/(.*)/;
247: $courseidinfo = $ENV{'course.physnet_'.$1.'.description'};
248: $result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass\[twocolumn\]{article}/;
249: $result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 7\.7in\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}}\\hskip 1\.4in $courseidinfo \\vskip 5 mm /;
250: $result =~ s/\\includegraphics{/\\includegraphics\[width=9\.0 cm\]{/g;
251: $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/;
252: }
253: #-- LaTeX corrections
254: my $first_comment = index($result,'<!--',0);
255: while ($first_comment != -1) {
256: my $end_comment = index($result,'-->',$first_comment);
257: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
258: $first_comment = index($result,'<!--',$first_comment);
259: }
260: $result =~ s/^\s+$//gm; #remove empty lines
261: $result =~ s/%/\\%/g; #corrects %
262: $result =~ s/(\s)+/$1/g; #removes more than one empty space
263: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
264: $result =~ s/ (<|>|) / \$$1\$ /g; #corrects < or >
265: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
266: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
267: $result =~ s/\\\\\s+\[/ \[/g;
268: $result =~ s/θ/\$\\theta\$/g; #converts theta from html into tex
269: $result =~ s/\b_+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
270: #-- writing .tex file in prtspool
271: my $temp_file;
272: $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
273: unless ($temp_file = Apache::File->new('>'.$filename)) {
274: $r->log_error("Couldn't open $filename for output $!");
275: return SERVER_ERROR;
276: }
277: print $temp_file $result;
278: $r->print(<<FINALEND);
279: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle">
280: </body>
281: </html>
282: FINALEND
283: }
284:
285: sub additional_cleanup {
286: my $result = shift;
287: my $first_app = index($result,'\documentclass',0);
288: $first_app = index($result,'\documentclass',$first_app+5);
289: while ($first_app != -1) {
290: my $second_app = index($result,'begin{document}',$first_app);
291: $first_app = rindex($result,'\end{document}',$first_app);
292: substr($result,$first_app,$second_app-$first_app+15) = '\vskip 3 mm';
293: $first_app = index($result,'\documentclass',$first_app+5);
294: }
295: return $result;
296: }
297:
298:
299: sub content_map {
300: #-- find a list of files to print
301: my $map_string = shift;
302: my @number_seq = ();
303: my @file_seq = ();
304: my $startlink = index($map_string,'<link',0);
305: my $endlink = index($map_string,'</link>',$startlink);
306: my $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
307: $_ = $chunk;
308: m/from=\"(\d+)\"/;
309: push @number_seq,$1;
310: while ($startlink != -1) {
311: $endlink = index($map_string,'</link>',$startlink);
312: $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
313: substr($map_string,$startlink,$endlink-$startlink+7) = '';
314: $_ = $chunk;
315: m/to=\"(\d+)\"/;
316: push @number_seq,$1;
317: $startlink = index($map_string,'from="'.$1.'"',$startlink);
318: $startlink = rindex($map_string,'<link ',$startlink);
319: }
320: my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink);
321: while ($stalink != -1) {
322: $startlink = rindex($map_string,'<link ',$stalink);
323: $endlink = index($map_string,'</link>',$startlink);
324: $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
325: substr($map_string,$startlink,$endlink-$startlink+7) = '';
326: $_ = $chunk;
327: m/from=\"(\d+)\"/;
328: unshift @number_seq,$1;
329: $stalink = index($map_string,' to="'.$number_seq[0].'"',0);
330: }
331: for (my $i=0;$i<=$#number_seq;$i++) {
332: $stalink = index($map_string,' id="'.$number_seq[$i].'"',0);
333: {
334: my $ahed1 = index($map_string,'src="',$stalink);
335: my $ahed2 = index($map_string,'</resource>',$stalink);
336: if ($ahed1 != -1) {
337: if ($ahed1 < $ahed2) {
338: $startlink = $ahed1;
339: } else {
340: $startlink = rindex($map_string,'src="',$stalink);
341: }
342: } else {
343: $startlink = rindex($map_string,'src="',$stalink);
344: }
345:
346: }
347: $startlink = index($map_string,'"',$startlink);
348: $endlink = index($map_string,'"',$startlink+1);
349: $chunk = substr($map_string,$startlink,$endlink-$startlink+1);
350: push @file_seq,$chunk;
351: }
352: return @file_seq;
353: }
354:
355:
356:
357: sub handler {
358:
359: my $r = shift;
360: $r->content_type('text/html');
361: $r->send_http_header;
362:
363: #-- start form
364: &headerform($r);
365: #-- menu for output
366: unless ($ENV{'form.phase'}) {
367: &menu_for_output($r);
368: }
369: #-- core part
370: if ($ENV{'form.phase'} eq 'two') {
371: &output_data($r);
372: }
373: return OK;
374:
375: }
376:
377: 1;
378: __END__
379:
380:
381:
382:
383: #### Test block
384: # my $ere;
385: # foreach $ere (%ENV) {
386: # $result .= ' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n";
387: # }
388: ####
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonprintout.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface