1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.21 2002/04/10 16:21:33 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: $r->print(<<ENDMENUOUT);
69: <input type="hidden" name="phase" value="two">
70: <input type="hidden" name="url" value="$ENV{'form.postdata'}">
71: <input type="radio" name="choice" value="Standard LaTeX output for current document"> 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 /><hr /><br />
77: <h1>And what page format do you prefer?</h1>
78: <input type="radio" name="layout" value="CBI" checked> CBI <br />
79: <input type="radio" name="layout" value="CAPA"> CAPA <br />
80: <input type="submit" value="Submit your choice">
81: </form>
82: </body>
83: </html>
84: ENDMENUOUT
85: }
86:
87:
88:
89:
90: sub output_data {
91: my $r = shift;
92: $r->print(<<ENDPART);
93: <html>
94: <head>
95: <title>LON-CAPA output for printing</title>
96: </head>
97: <body bgcolor="FFFFFF">
98: <hr>
99: ENDPART
100:
101: my $choice = $ENV{'form.choice'};
102: my $layout = $ENV{'form.layout'};
103: my $laystyle = 'book';
104: my $result = '';
105: my %mystyle;
106: my $filename;
107:
108: if ($choice eq 'Standard LaTeX output for current document') {
109: my %moreenv;
110: my $currequest=$ENV{'request.filename'};
111: $moreenv{'form.grade_target'}='tex';
112: $moreenv{'request.filename'}=$ENV{'form.url'};
113: &Apache::lonnet::appenv(%moreenv);
114: my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});
115: &Apache::lonnet::delenv('form.grade_target');
116: %moreenv = ();
117: $moreenv{'request.filename'}=$currequest;
118: &Apache::lonnet::appenv(%moreenv);
119: $result .= $texversion;
120:
121: } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or $choice eq 'Standard LaTeX output for whole primary sequence') {
122: #-- where is the primary sequence containing file?
123: my %moreenv;
124: my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
125: $_ = $symbolic;
126: m/([^_]+)_/;
127: my $primary_sequence = '/res/'.$1;
128: #-- open and analyses the primary sequence
129: my $sequence_file=&Apache::lonnet::filelocation("",$primary_sequence);
130: my $sequencefilecontents=&Apache::lonnet::getfile($sequence_file);
131: my @master_seq = &content_map($sequencefilecontents);
132: #-- produce an output string
133: for (my $i=0;$i<=$#master_seq;$i++) {
134: $_ = $master_seq[$i];
135: m/\"(.*)\"/;
136: $_ = $1;
137: my $urlp = $1;
138: if ($choice eq 'Standard LaTeX output for the primary sequence') {
139: if (/\.(problem|exam|quiz|assess|survey|form|library)/) {
140: my %moreenv;
141: $moreenv{'form.grade_target'}='tex';
142: &Apache::lonnet::appenv(%moreenv);
143: my $texversion=&Apache::lonnet::ssi($urlp);
144: &Apache::lonnet::delenv('form.grade_target');
145: $result .= $texversion;
146: }
147: } else {
148: $moreenv{'form.grade_target'}='tex';
149: &Apache::lonnet::appenv(%moreenv);
150: my $texversion=&Apache::lonnet::ssi($urlp);
151: &Apache::lonnet::delenv('form.grade_target');
152: $result .= $texversion;
153: }
154: }
155: #-- additional cleanup for output
156: my $first_app = index($result,'\documentclass',0);
157: $first_app = index($result,'\documentclass',$first_app+5);
158: while ($first_app != -1) {
159: my $second_app = index($result,'begin{document}',$first_app);
160: $first_app = rindex($result,'\end{document}',$first_app);
161: substr($result,$first_app,$second_app-$first_app+15) = '\vskip 3 mm';
162: $first_app = index($result,'\documentclass',$first_app+5);
163: }
164: } elsif ($choice eq 'Standard LaTeX output for the top level sequence') {
165: my @master_seq = ();
166: my @add_file_seq = ();
167: #-- where is the main sequence of the course?
168: my $main_seq = '/res/'.$ENV{'request.course.uri'};
169: my $file=&Apache::lonnet::filelocation("",$main_seq);
170: my $filecontents=&Apache::lonnet::getfile($file);
171: my @file_seq = &content_map($filecontents);
172: #-- do we have any other sequence inside?
173: my $i=0;
174: while ($i<=$#file_seq) {
175: $_ = $file_seq[$i];
176: if (/\.sequence$/) {
177: $file = &Apache::lonnet::filelocation("",$file_seq[$i]);
178: $filecontents=&Apache::lonnet::getfile($file);
179: @add_file_seq = &content_map($filecontents);
180: splice(@file_seq,$i,1,@add_file_seq);
181: @add_file_seq = ();
182: $i = -1;
183: }
184: $i++;
185: }
186: @master_seq = @file_seq;
187: #-- produce an output string
188: for (my $i=0;$i<=$#master_seq;$i++) {
189: $_ = $master_seq[$i];
190: m/\"(.*)\"/;
191: $_ = $1;
192: my $urlp = $1;
193: if (/\.(problem|exam|quiz|assess|survey|form|library)/) {
194: my %moreenv;
195: $moreenv{'form.grade_target'}='tex';
196: &Apache::lonnet::appenv(%moreenv);
197: my $texversion=&Apache::lonnet::ssi($urlp);
198: &Apache::lonnet::delenv('form.grade_target');
199: $result .= $texversion;
200: }
201: }
202: #-- additional cleanup for output
203: my $first_app = index($result,'\documentclass',0);
204: $first_app = index($result,'\documentclass',$first_app+5);
205: while ($first_app != -1) {
206: my $second_app = index($result,'begin{document}',$first_app);
207: $first_app = rindex($result,'\end{document}',$first_app);
208: substr($result,$first_app,$second_app-$first_app+15) = '\vskip 3 mm';
209: $first_app = index($result,'\documentclass',$first_app+5);
210: }
211: }
212: #-- corrections for the different page formats
213: if ($layout eq 'CBI') {
214: $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}/;
215: $laystyle = 'album';
216: } elsif ($layout eq 'CAPA') {
217: my $courseidinfo = $ENV{'request.role'};
218: $_ = $courseidinfo;
219: m/.*\/(.*)/;
220: $courseidinfo = $ENV{'course.physnet_'.$1.'.description'};
221: $result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass\[twocolumn\]{article}/;
222: $result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 7\.7in\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}}\\hskip 1\.4in $courseidinfo \\vskip 5 mm /;
223: $result =~ s/\\includegraphics/\\includegraphics\[width=9\.0 cm\]/g;
224: $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\/GPS $1/;
225: }
226: #-- LaTeX corrections
227: $result =~ s/^\s+$//gm; #remove empty lines
228: $result =~ s/%/\\%/g; #corrects %
229: $result =~ s/(\s)+/$1/g; #removes more than one empty space
230: $result =~ s/\\\\\s*(\\vskip)/ $1/gm;
231: #-- Do all of eps figures exist?
232: my $notepslist = '';
233: my $end_eps = index($result,'.eps}',0);
234: while ($end_eps != -1) {
235: my $start_eps = rindex($result,'{',$end_eps);
236: my $start_path = rindex($result,'\graphicspath{',$start_eps);
237: my $end_path = index($result,'}',$start_path);
238: my $chunk_eps = substr($result,$start_eps+1,$end_eps-$start_eps+3);
239: my $chunk_path = substr($result,$start_path+14,$end_path-$start_path-14);
240: $chunk_path =~ s/^{*//g;
241: unless (-s $chunk_path.$chunk_eps) {
242: $notepslist .= $chunk_path.$chunk_eps;
243: }
244: $end_eps = index($result,'.eps}',$end_eps+5);
245: }
246: #-- writing .tex file in prtspool
247: my $temp_file;
248: $filename = "/home/httpd/prtspool/$ENV{'user.name'}$ENV{'user.domain'}temp$ENV{'user.login.time'}.tex";
249: unless ($temp_file = Apache::File->new('>'.$filename)) {
250: $r->log_error("Couldn't open $filename for output $!");
251: return SERVER_ERROR;
252: }
253: print $temp_file $result;
254: $r->print(<<FINALEND);
255: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$notepslist">
256: </body>
257: </html>
258: FINALEND
259: }
260:
261:
262:
263:
264: sub content_map {
265: #-- find a list of files to print
266: my $map_string = shift;
267: my @number_seq = ();
268: my @file_seq = ();
269: my $startlink = index($map_string,'<link',0);
270: my $endlink = index($map_string,'</link>',$startlink);
271: my $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
272: $_ = $chunk;
273: m/from=\"(\d+)\"/;
274: push @number_seq,$1;
275: while ($startlink != -1) {
276: $endlink = index($map_string,'</link>',$startlink);
277: $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
278: substr($map_string,$startlink,$endlink-$startlink+7) = '';
279: $_ = $chunk;
280: m/to=\"(\d+)\"/;
281: push @number_seq,$1;
282: $startlink = index($map_string,'from="'.$1.'"',$startlink);
283: $startlink = rindex($map_string,'<link ',$startlink);
284: }
285: my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink);
286: while ($stalink != -1) {
287: $startlink = rindex($map_string,'<link ',$stalink);
288: $endlink = index($map_string,'</link>',$startlink);
289: $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
290: substr($map_string,$startlink,$endlink-$startlink+7) = '';
291: $_ = $chunk;
292: m/from=\"(\d+)\"/;
293: unshift @number_seq,$1;
294: $stalink = index($map_string,' to="'.$number_seq[0].'"',0);
295: }
296: for (my $i=0;$i<=$#number_seq;$i++) {
297: $stalink = index($map_string,' id="'.$number_seq[$i].'"',0);
298: {
299: my $ahed1 = index($map_string,'src="',$stalink);
300: my $ahed2 = index($map_string,'</resource>',$stalink);
301: if ($ahed1 != -1) {
302: if ($ahed1 < $ahed2) {
303: $startlink = $ahed1;
304: } else {
305: $startlink = rindex($map_string,'src="',$stalink);
306: }
307: } else {
308: $startlink = rindex($map_string,'src="',$stalink);
309: }
310:
311: }
312: $startlink = index($map_string,'"',$startlink);
313: $endlink = index($map_string,'"',$startlink+1);
314: $chunk = substr($map_string,$startlink,$endlink-$startlink+1);
315: push @file_seq,$chunk;
316: }
317: return @file_seq;
318: }
319:
320:
321:
322: sub handler {
323:
324: my $r = shift;
325: $r->content_type('text/html');
326: $r->send_http_header;
327:
328: #-- start form
329: &headerform($r);
330: #-- menu for output
331: unless ($ENV{'form.phase'}) {
332: &menu_for_output($r);
333: }
334:
335:
336: #-- core part
337: if ($ENV{'form.phase'} eq 'two') {
338: &output_data($r);
339:
340: }
341: return OK;
342:
343: }
344:
345: 1;
346: __END__
347:
348:
349:
350:
351: #### Test block
352: # my $ere;
353: # foreach $ere (%ENV) {
354: # $result .= ' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n";
355: # }
356: ####
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