1: #
2: # The LearningOnline Network
3: # Printout
4: #
5: # $Id: lonprintout.pm,v 1.498 2007/04/20 20:13:58 foxr Exp $
6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: # http://www.lon-capa.org/
27: #
28: #
29: package Apache::lonprintout;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonxml;
34: use Apache::lonnet;
35: use Apache::loncommon;
36: use Apache::inputtags;
37: use Apache::grades;
38: use Apache::edit;
39: use Apache::File();
40: use Apache::lonnavmaps;
41: use LONCAPA::map();
42: use POSIX qw(strftime);
43: use Apache::lonlocal;
44: use Carp;
45: use LONCAPA;
46:
47: my %perm;
48: my %parmhash;
49: my $resources_printed;
50:
51: # Fetch the contents of a resource, uninterpreted.
52: # This is used here to fetch a latex file to be included
53: # verbatim into the printout<
54: # NOTE: Ask Guy if there is a lonnet function similar to this?
55: #
56: # Parameters:
57: # URL of the file
58: #
59: sub fetch_raw_resource {
60: my ($url) = @_;
61:
62: my $filename = &Apache::lonnet::filelocation("", $url);
63: #
64: # fetch if needed:
65: #
66: if (! -e $filename) {
67: my $repcopy_result = &Apache::lonnet::repcopy($filename);
68:
69: if ($repcopy_result ne 'ok') {
70: return "File open failed for $filename"; # This will bomb the print.
71: }
72: }
73: my $contents = &Apache::lonnet::readfile($filename);
74:
75: return $contents;
76:
77: }
78:
79: #
80: # printf_style_subst item format_string repl
81: #
82: # Does printf style substitution for a format string that
83: # can have %[n]item in it.. wherever, %[n]item occurs,
84: # rep is substituted in format_string. Note that
85: # [n] is an optional integer length. If provided,
86: # repl is truncated to at most [n] characters prior to
87: # substitution.
88: #
89: sub printf_style_subst {
90: my ($item, $format_string, $repl) = @_;
91: my $result = "";
92: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
93: my $fmt = $1;
94: my $size = $2;
95: my $subst = $repl;
96: if ($size ne "") {
97: $subst = substr($subst, 0, $size);
98:
99: # Here's a nice edge case.. supose the end of the
100: # substring is a \. In that case may have just
101: # chopped off a TeX escape... in that case, we append
102: # " " for the trailing character, and let the field
103: # spill over a bit (sigh).
104: # We don't just chop off the last character in order to deal
105: # with one last pathology, and that would be if substr had
106: # trimmed us to e.g. \\\
107:
108:
109: if ($subst =~ /\\$/) {
110: $subst .= " ";
111: }
112: }
113: my $item_pos = pos($format_string);
114: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
115: $format_string = substr($format_string, pos($format_string));
116: }
117:
118: # Put the residual format string into the result:
119:
120: $result .= $format_string;
121:
122: return $result;
123: }
124:
125:
126: # Format a header according to a format.
127: #
128:
129: # Substitutions:
130: # %a - Assignment name.
131: # %c - Course name.
132: # %n - Student name.
133: #
134: sub format_page_header {
135: my ($width, $format, $assignment, $course, $student) = @_;
136:
137: $width = &recalcto_mm($width); # Get width in mm.
138: # Default format?
139:
140: if ($format eq '') {
141: # For the default format, we may need to truncate
142: # elements.. To do this we need to get the page width.
143: # we assume that each character is about 2mm in width.
144: # (correct for the header text size??). We ignore
145: # any formatting (e.g. boldfacing in this).
146: #
147: # - Allow the student/course to be one line.
148: # but only truncate the course.
149: # - Allow the assignment to be 2 lines (wrapped).
150: #
151: my $chars_per_line = $width/2; # Character/textline.
152:
153:
154: my $firstline = "$student $course";
155: if (length($firstline) > $chars_per_line) {
156: my $lastchar = $chars_per_line - length($student) - 1;
157: if ($lastchar > 0) {
158: $course = substr($course, 0, $lastchar);
159: } else { # Nothing left of course:
160: $course = '';
161: }
162: }
163: if (length($assignment) > $chars_per_line) {
164: $assignment = substr($assignment, 0, $chars_per_line);
165: }
166:
167: $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
168:
169: } else {
170: # An open question is how to handle long user formatted page headers...
171: # A possible future is to support e.g. %na so that the user can control
172: # the truncation of the elements that can appear in the header.
173: #
174: $format = &printf_style_subst("a", $format, $assignment);
175: $format = &printf_style_subst("c", $format, $course);
176: $format = &printf_style_subst("n", $format, $student);
177:
178: # If the user put %'s in the format string, they must be escaped
179: # to \% else LaTeX will think they are comments and terminate
180: # the line.. which is bad!!!
181:
182:
183: }
184:
185:
186: return $format;
187:
188: }
189:
190: #
191: # Convert a numeric code to letters
192: #
193: sub num_to_letters {
194: my ($num) = @_;
195: my @nums= split('',$num);
196: my @num_to_let=('A'..'Z');
197: my $word;
198: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
199: return $word;
200: }
201: # Convert a letter code to numeric.
202: #
203: sub letters_to_num {
204: my ($letters) = @_;
205: my @letters = split('', uc($letters));
206: my %substitution;
207: my $digit = 0;
208: foreach my $letter ('A'..'J') {
209: $substitution{$letter} = $digit;
210: $digit++;
211: }
212: # The substitution is done as below to preserve leading
213: # zeroes which are needed to keep the code size exact
214: #
215: my $result ="";
216: foreach my $letter (@letters) {
217: $result.=$substitution{$letter};
218: }
219: return $result;
220: }
221:
222: # Determine if a code is a valid numeric code. Valid
223: # numeric codes must be comprised entirely of digits and
224: # have a correct number of digits.
225: #
226: # Parameters:
227: # value - proposed code value.
228: # num_digits - Number of digits required.
229: #
230: sub is_valid_numeric_code {
231: my ($value, $num_digits) = @_;
232: # Remove leading/trailing whitespace;
233: $value =~ s/^\s*//g;
234: $value =~ s/\s*$//g;
235:
236: # All digits?
237: if ($value !~ /^[0-9]+$/) {
238: return "Numeric code $value has invalid characters - must only be digits";
239: }
240: if (length($value) != $num_digits) {
241: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
242: }
243: return undef;
244: }
245: # Determines if a code is a valid alhpa code. Alpha codes
246: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
247: # They also have a correct digit count.
248: # Parameters:
249: # value - Proposed code value.
250: # num_letters - correct number of letters.
251: # Note:
252: # leading and trailing whitespace are ignored.
253: #
254: sub is_valid_alpha_code {
255: my ($value, $num_letters) = @_;
256:
257: # strip leading and trailing spaces.
258:
259: $value =~ s/^\s*//g;
260: $value =~ s/\s*$//g;
261:
262: # All alphas in the right range?
263: if ($value !~ /^[A-J,a-j]+$/) {
264: return "Invalid letter code $value must only contain A-J";
265: }
266: if (length($value) != $num_letters) {
267: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
268: }
269: return undef;
270: }
271:
272: # Determine if a code entered by the user in a helper is valid.
273: # valid depends on the code type and the type of code selected.
274: # The type of code selected can either be numeric or
275: # Alphabetic. If alphabetic, the code, in fact is a simple
276: # substitution cipher for the actual numeric code: 0->A, 1->B ...
277: # We'll be nice and be case insensitive for alpha codes.
278: # Parameters:
279: # code_value - the value of the code the user typed in.
280: # code_option - The code type selected from the set in the scantron format
281: # table.
282: # Returns:
283: # undef - The code is valid.
284: # other - An error message indicating what's wrong.
285: #
286: sub is_code_valid {
287: my ($code_value, $code_option) = @_;
288: my ($code_type, $code_length) = ('letter', 6); # defaults.
289: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
290: foreach my $line (<FG>) {
291: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
292: if($name eq $code_option) {
293: $code_length = $length;
294: if($type eq 'number') {
295: $code_type = 'number';
296: }
297: }
298: }
299: my $valid;
300: if ($code_type eq 'number') {
301: return &is_valid_numeric_code($code_value, $code_length);
302: } else {
303: return &is_valid_alpha_code($code_value, $code_length);
304: }
305:
306: }
307:
308: # Compare two students by name. The students are in the form
309: # returned by the helper:
310: # user:domain:section:last, first:status
311: # This is a helper function for the perl sort built-in therefore:
312: # Implicit Inputs:
313: # $a - The first element to compare (global)
314: # $b - The second element to compare (global)
315: # Returns:
316: # -1 - $a < $b
317: # 0 - $a == $b
318: # +1 - $a > $b
319: # Note that the initial comparison is done on the last names with the
320: # first names only used to break the tie.
321: #
322: #
323: sub compare_names {
324: # First split the names up into the primary fields.
325:
326: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
327: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
328:
329: # Now split the last name and first name of each n:
330: #
331:
332: my ($l1,$f1) = split(/,/, $n1);
333: my ($l2,$f2) = split(/,/, $n2);
334:
335: # We don't bother to remove the leading/trailing whitespace from the
336: # firstname, unless the last names compare identical.
337:
338: if($l1 lt $l2) {
339: return -1;
340: }
341: if($l1 gt $l2) {
342: return 1;
343: }
344:
345: # Break the tie on the first name, but there are leading (possibly trailing
346: # whitespaces to get rid of first
347: #
348: $f1 =~ s/^\s+//; # Remove leading...
349: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
350:
351: $f2 =~ s/^\s+//;
352: $f2 =~ s/\s+$//; # And the same for first 2...
353:
354: if($f1 lt $f2) {
355: return -1;
356: }
357: if($f1 gt $f2) {
358: return 1;
359: }
360:
361: # Must be the same name.
362:
363: return 0;
364: }
365:
366: sub latex_header_footer_remove {
367: my $text = shift;
368: $text =~ s/\\end{document}//;
369: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
370: return $text;
371: }
372: #
373: # If necessary, encapsulate text inside
374: # a minipage env.
375: # necessity is determined by the problem_split param.
376: #
377: sub encapsulate_minipage {
378: my ($text) = @_;
379: if (!($env{'form.problem.split'} =~ /yes/i)) {
380: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
381: }
382: return $text;
383: }
384: #
385: # The NUMBER_TO_PRINT and SPLIT_PDFS
386: # variables interact, this sub looks at these two parameters
387: # and comes up with a final value for NUMBER_TO_PRINT which can be:
388: # all - if SPLIT_PDFS eq 'all'.
389: # 1 - if SPLIT_PDFS eq 'oneper'
390: # section - if SPLIT_PDFS eq 'sections'
391: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
392: #
393: sub adjust_number_to_print {
394: my $helper = shift;
395:
396: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
397:
398: if ($split_pdf eq 'all') {
399: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
400: } elsif ($split_pdf eq 'oneper') {
401: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
402: } elsif ($split_pdf eq 'sections') {
403: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
404: } elsif ($split_pdf eq 'usenumber') {
405: # Unmodified.
406: } else {
407: # Error!!!!
408:
409: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
410: }
411: }
412:
413: sub character_chart {
414: my $result = shift;
415: $result =~ s/&\#0?0?(7|9);//g;
416: $result =~ s/&\#0?(10|13);//g;
417: $result =~ s/&\#0?32;/ /g;
418: $result =~ s/&\#0?33;/!/g;
419: $result =~ s/&(\#0?34|quot);/\"/g;
420: $result =~ s/&\#0?35;/\\\#/g;
421: $result =~ s/&\#0?36;/\\\$/g;
422: $result =~ s/&\#0?37;/\\%/g;
423: $result =~ s/&(\#0?38|amp);/\\&/g;
424: $result =~ s/&\#(0?39|146);/\'/g;
425: $result =~ s/&\#0?40;/(/g;
426: $result =~ s/&\#0?41;/)/g;
427: $result =~ s/&\#0?42;/\*/g;
428: $result =~ s/&\#0?43;/\+/g;
429: $result =~ s/&\#(0?44|130);/,/g;
430: $result =~ s/&\#0?45;/-/g;
431: $result =~ s/&\#0?46;/\./g;
432: $result =~ s/&\#0?47;/\//g;
433: $result =~ s/&\#0?48;/0/g;
434: $result =~ s/&\#0?49;/1/g;
435: $result =~ s/&\#0?50;/2/g;
436: $result =~ s/&\#0?51;/3/g;
437: $result =~ s/&\#0?52;/4/g;
438: $result =~ s/&\#0?53;/5/g;
439: $result =~ s/&\#0?54;/6/g;
440: $result =~ s/&\#0?55;/7/g;
441: $result =~ s/&\#0?56;/8/g;
442: $result =~ s/&\#0?57;/9/g;
443: $result =~ s/&\#0?58;/:/g;
444: $result =~ s/&\#0?59;/;/g;
445: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
446: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
447: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
448: $result =~ s/&\#0?63;/\?/g;
449: $result =~ s/&\#0?65;/A/g;
450: $result =~ s/&\#0?66;/B/g;
451: $result =~ s/&\#0?67;/C/g;
452: $result =~ s/&\#0?68;/D/g;
453: $result =~ s/&\#0?69;/E/g;
454: $result =~ s/&\#0?70;/F/g;
455: $result =~ s/&\#0?71;/G/g;
456: $result =~ s/&\#0?72;/H/g;
457: $result =~ s/&\#0?73;/I/g;
458: $result =~ s/&\#0?74;/J/g;
459: $result =~ s/&\#0?75;/K/g;
460: $result =~ s/&\#0?76;/L/g;
461: $result =~ s/&\#0?77;/M/g;
462: $result =~ s/&\#0?78;/N/g;
463: $result =~ s/&\#0?79;/O/g;
464: $result =~ s/&\#0?80;/P/g;
465: $result =~ s/&\#0?81;/Q/g;
466: $result =~ s/&\#0?82;/R/g;
467: $result =~ s/&\#0?83;/S/g;
468: $result =~ s/&\#0?84;/T/g;
469: $result =~ s/&\#0?85;/U/g;
470: $result =~ s/&\#0?86;/V/g;
471: $result =~ s/&\#0?87;/W/g;
472: $result =~ s/&\#0?88;/X/g;
473: $result =~ s/&\#0?89;/Y/g;
474: $result =~ s/&\#0?90;/Z/g;
475: $result =~ s/&\#0?91;/[/g;
476: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
477: $result =~ s/&\#0?93;/]/g;
478: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
479: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
480: $result =~ s/&\#(0?96|145);/\`/g;
481: $result =~ s/&\#0?97;/a/g;
482: $result =~ s/&\#0?98;/b/g;
483: $result =~ s/&\#0?99;/c/g;
484: $result =~ s/&\#100;/d/g;
485: $result =~ s/&\#101;/e/g;
486: $result =~ s/&\#102;/f/g;
487: $result =~ s/&\#103;/g/g;
488: $result =~ s/&\#104;/h/g;
489: $result =~ s/&\#105;/i/g;
490: $result =~ s/&\#106;/j/g;
491: $result =~ s/&\#107;/k/g;
492: $result =~ s/&\#108;/l/g;
493: $result =~ s/&\#109;/m/g;
494: $result =~ s/&\#110;/n/g;
495: $result =~ s/&\#111;/o/g;
496: $result =~ s/&\#112;/p/g;
497: $result =~ s/&\#113;/q/g;
498: $result =~ s/&\#114;/r/g;
499: $result =~ s/&\#115;/s/g;
500: $result =~ s/&\#116;/t/g;
501: $result =~ s/&\#117;/u/g;
502: $result =~ s/&\#118;/v/g;
503: $result =~ s/&\#119;/w/g;
504: $result =~ s/&\#120;/x/g;
505: $result =~ s/&\#121;/y/g;
506: $result =~ s/&\#122;/z/g;
507: $result =~ s/&\#123;/\\{/g;
508: $result =~ s/&\#124;/\|/g;
509: $result =~ s/&\#125;/\\}/g;
510: $result =~ s/&\#126;/\~/g;
511: $result =~ s/&\#131;/\\textflorin /g;
512: $result =~ s/&\#132;/\"/g;
513: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
514: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
515: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
516: $result =~ s/&\#137;/\\textperthousand /g;
517: $result =~ s/&\#140;/{\\OE}/g;
518: $result =~ s/&\#147;/\`\`/g;
519: $result =~ s/&\#148;/\'\'/g;
520: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
521: $result =~ s/&(\#150|\#8211);/--/g;
522: $result =~ s/&\#151;/---/g;
523: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
524: $result =~ s/&\#153;/\\texttrademark /g;
525: $result =~ s/&\#156;/\\oe/g;
526: $result =~ s/&\#159;/\\\"Y/g;
527: $result =~ s/&(\#160|nbsp);/~/g;
528: $result =~ s/&(\#161|iexcl);/!\`/g;
529: $result =~ s/&(\#162|cent);/\\textcent /g;
530: $result =~ s/&(\#163|pound);/\\pounds /g;
531: $result =~ s/&(\#164|curren);/\\textcurrency /g;
532: $result =~ s/&(\#165|yen);/\\textyen /g;
533: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
534: $result =~ s/&(\#167|sect);/\\textsection /g;
535: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
536: $result =~ s/&(\#169|copy);/\\copyright /g;
537: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
538: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
539: $result =~ s/&(\#173|shy);/ - /g;
540: $result =~ s/&(\#174|reg);/\\textregistered /g;
541: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
542: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
543: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
544: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
545: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
546: $result =~ s/&(\#180|acute);/\\textacute /g;
547: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
548: $result =~ s/&(\#182|para);/\\P/g;
549: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
550: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
551: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
552: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
553: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
554: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
555: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
556: $result =~ s/&(\#191|iquest);/?\`/g;
557: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
558: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
559: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
560: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
561: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
562: $result =~ s/&(\#197|Aring);/{\\AA}/g;
563: $result =~ s/&(\#198|AElig);/{\\AE}/g;
564: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
565: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
566: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
567: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
568: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
569: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
570: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
571: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
572: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
573: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
574: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
575: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
576: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
577: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
578: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
579: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
580: $result =~ s/&(\#216|Oslash);/{\\O}/g;
581: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
582: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
583: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
584: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
585: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
586: $result =~ s/&(\#223|szlig);/{\\ss}/g;
587: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
588: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
589: $result =~ s/&(\#226|acirc);/\\^{a}/g;
590: $result =~ s/&(\#227|atilde);/\\~{a}/g;
591: $result =~ s/&(\#228|auml);/\\\"{a}/g;
592: $result =~ s/&(\#229|aring);/{\\aa}/g;
593: $result =~ s/&(\#230|aelig);/{\\ae}/g;
594: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
595: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
596: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
597: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
598: $result =~ s/&(\#235|euml);/\\\"{e}/g;
599: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
600: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
601: $result =~ s/&(\#238|icirc);/\\^{i}/g;
602: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
603: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
604: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
605: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
606: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
607: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
608: $result =~ s/&(\#245|otilde);/\\~{o}/g;
609: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
610: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
611: $result =~ s/&(\#248|oslash);/{\\o}/g;
612: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
613: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
614: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
615: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
616: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
617: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
618: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
619: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
620: #Greek Alphabet
621: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
622: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
623: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
624: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
625: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
626: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
627: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
628: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
629: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
630: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
631: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
632: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
633: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
634: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
635: $result =~ s/&(omicron|\#959);/o/g;
636: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
637: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
638: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
639: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
640: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
641: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
642: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
643: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
644: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
645: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
646: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
647: $result =~ s/&(Alpha|\#913);/A/g;
648: $result =~ s/&(Beta|\#914);/B/g;
649: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
650: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
651: $result =~ s/&(Epsilon|\#917);/E/g;
652: $result =~ s/&(Zeta|\#918);/Z/g;
653: $result =~ s/&(Eta|\#919);/H/g;
654: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
655: $result =~ s/&(Iota|\#921);/I/g;
656: $result =~ s/&(Kappa|\#922);/K/g;
657: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
658: $result =~ s/&(Mu|\#924);/M/g;
659: $result =~ s/&(Nu|\#925);/N/g;
660: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
661: $result =~ s/&(Omicron|\#927);/O/g;
662: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
663: $result =~ s/&(Rho|\#929);/P/g;
664: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
665: $result =~ s/&(Tau|\#932);/T/g;
666: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
667: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
668: $result =~ s/&(Chi|\#935);/X/g;
669: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
670: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
671: #Arrows (extended HTML 4.01)
672: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
673: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
674: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
675: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
676: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
677: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
678: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
679: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
680: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
681: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
682: #Mathematical Operators (extended HTML 4.01)
683: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
684: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
685: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
686: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
687: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
688: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
689: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
690: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
691: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
692: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
693: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
694: $result =~ s/–/\\ensuremath\{-\}/g;
695: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
696: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
697: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
698: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
699: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
700: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
701: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
702: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
703: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
704: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
705: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
706: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
707: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
708: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
709: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
710: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
711: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
712: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
713: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
714: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
715: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
716: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
717: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
718: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
719: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
720: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
721: #Geometric Shapes (extended HTML 4.01)
722: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
723: #Miscellaneous Symbols (extended HTML 4.01)
724: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
725: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
726: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
727: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
728: # Chemically useful 'things' contributed by Hon Kie (bug 4652).
729: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
730: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
731: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
732: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
733: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
734: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
735: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
736: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
737: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
738: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
739: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
740: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
741: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
742: return $result;
743: }
744:
745:
746: #width, height, oddsidemargin, evensidemargin, topmargin
747: my %page_formats=
748: ('letter' => {
749: 'book' => {
750: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
751: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
752: },
753: 'album' => {
754: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'],
755: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
756: },
757: },
758: 'legal' => {
759: 'book' => {
760: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
761: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
762: },
763: 'album' => {
764: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
765: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
766: },
767: },
768: 'tabloid' => {
769: 'book' => {
770: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
771: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
772: },
773: 'album' => {
774: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
775: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
776: },
777: },
778: 'executive' => {
779: 'book' => {
780: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
781: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
782: },
783: 'album' => {
784: '1' => [],
785: '2' => []
786: },
787: },
788: 'a2' => {
789: 'book' => {
790: '1' => [],
791: '2' => []
792: },
793: 'album' => {
794: '1' => [],
795: '2' => []
796: },
797: },
798: 'a3' => {
799: 'book' => {
800: '1' => [],
801: '2' => []
802: },
803: 'album' => {
804: '1' => [],
805: '2' => []
806: },
807: },
808: 'a4' => {
809: 'book' => {
810: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
811: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
812: },
813: 'album' => {
814: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
815: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
816: },
817: },
818: 'a5' => {
819: 'book' => {
820: '1' => [],
821: '2' => []
822: },
823: 'album' => {
824: '1' => [],
825: '2' => []
826: },
827: },
828: 'a6' => {
829: 'book' => {
830: '1' => [],
831: '2' => []
832: },
833: 'album' => {
834: '1' => [],
835: '2' => []
836: },
837: },
838: );
839:
840: sub page_format {
841: #
842: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
843: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
844: # "A2 [420x594 mm]", "A3 [297x420 mm]",
845: # "A4 [210x297 mm]", "A5 [148x210 mm]",
846: # "A6 [105x148 mm]"
847: #
848: my ($papersize,$layout,$numberofcolumns) = @_;
849: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
850: }
851:
852:
853: sub get_name {
854: my ($uname,$udom)=@_;
855: if (!defined($uname)) { $uname=$env{'user.name'}; }
856: if (!defined($udom)) { $udom=$env{'user.domain'}; }
857: my $plainname=&Apache::loncommon::plainname($uname,$udom);
858: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
859: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
860: return $plainname;
861: }
862:
863: sub get_course {
864: my $courseidinfo;
865: if (defined($env{'request.course.id'})) {
866: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
867: }
868: return $courseidinfo;
869: }
870:
871: sub page_format_transformation {
872: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
873: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
874:
875: if ($selectionmade eq '4') {
876: $assignment='Problems from the Whole Course';
877: } else {
878: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
879: }
880: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
881:
882:
883: my $name = &get_name();
884: my $courseidinfo = &get_course();
885: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
886: my $header_text = $parmhash{'print_header_format'};
887: $header_text = &format_page_header($textwidth, $header_text, $assignment,
888: $courseidinfo, $name);
889: my $topmargintoinsert = '';
890: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
891: my $fancypagestatement='';
892: if ($numberofcolumns eq '2') {
893: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
894: } else {
895: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
896: }
897: if ($layout eq 'album') {
898: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
899: } elsif ($layout eq 'book') {
900: if ($choice ne 'All class print') {
901: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
902: } else {
903: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
904: }
905: if ($papersize eq 'a4') {
906: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
907: }
908: }
909: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
910: if ($indexlist eq 'yes') {
911: $text=~s/(\\begin{document})/\\makeindex $1/;
912: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
913: }
914: return $text;
915: }
916:
917:
918: sub page_cleanup {
919: my $result = shift;
920:
921: $result =~ m/\\end{document}(\d*)$/;
922: my $number_of_columns = $1;
923: my $insert = '{';
924: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
925: $insert .= '}';
926: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
927: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
928: return $result,$number_of_columns;
929: }
930:
931:
932: sub details_for_menu {
933: my ($helper)=@_;
934: my $postdata=$env{'form.postdata'};
935: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
936: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
937: my $symbolic = &Apache::lonnet::symbread($postdata);
938: return if ( $symbolic eq '');
939:
940: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
941: $map=&Apache::lonnet::clutter($map);
942: my $name_of_sequence = &Apache::lonnet::gettitle($map);
943: if ($name_of_sequence =~ /^\s*$/) {
944: $map =~ m|([^/]+)$|;
945: $name_of_sequence = $1;
946: }
947: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
948: if ($name_of_map =~ /^\s*$/) {
949: $env{'request.course.uri'} =~ m|([^/]+)$|;
950: $name_of_map = $1;
951: }
952: return ($name_of_resource,$name_of_sequence,$name_of_map);
953: }
954:
955: sub copyright_line {
956: return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } ';
957: }
958: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
959:
960: sub latex_corrections {
961: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
962: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
963: my $copyright = ©right_line();
964: if ($selectionmade eq '1' || $answer_mode eq 'only') {
965: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
966: } else {
967: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
968: }
969: $result =~ s/\$number_of_columns/$number_of_columns/g;
970: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
971: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
972: #-- LaTeX corrections
973: my $first_comment = index($result,'<!--',0);
974: while ($first_comment != -1) {
975: my $end_comment = index($result,'-->',$first_comment);
976: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
977: $first_comment = index($result,'<!--',$first_comment);
978: }
979: $result =~ s/^\s+$//gm; #remove empty lines
980: #removes more than one empty space
981: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
982: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
983: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
984: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
985: $result =~ s/\\\\\s+\[/ \[/g;
986: #conversion of html characters to LaTeX equivalents
987: if ($result =~ m/&(\w+|#\d+);/) {
988: $result = &character_chart($result);
989: }
990: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
991: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
992: return $result;
993: }
994:
995:
996: sub index_table {
997: my $currentURL = shift;
998: my $insex_string='';
999: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
1000: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
1001: return $insex_string;
1002: }
1003:
1004:
1005: sub IndexCreation {
1006: my ($texversion,$currentURL)=@_;
1007: my @key_words=split(/,/,&index_table($currentURL));
1008: my $chunk='';
1009: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
1010: if ($st>0) {
1011: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
1012: $chunk=substr($texversion,0,$st+1);
1013: substr($texversion,0,$st+1)=' ';
1014: }
1015: foreach my $key_word (@key_words) {
1016: if ($key_word=~/\S+/) {
1017: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
1018: }
1019: }
1020: if ($st>0) {substr($texversion,0,1)=$chunk;}
1021: return $texversion;
1022: }
1023:
1024: sub print_latex_header {
1025: my $mode=shift;
1026: my $output='\documentclass[letterpaper,twoside]{article}\raggedbottom';
1027: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
1028: $output.='\batchmode';
1029: }
1030: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
1031: '\usepackage{multirow}'."\n".
1032: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
1033: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
1034: '\usepackage{wrapfig}'.
1035: '\usepackage{picins}\usepackage{calc}'."\n".
1036: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
1037: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
1038: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
1039: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
1040: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
1041: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
1042: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
1043: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
1044: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
1045: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
1046: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
1047: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
1048: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1049: return $output;
1050: }
1051:
1052: sub path_to_problem {
1053: my ($urlp,$colwidth)=@_;
1054: $urlp=&Apache::lonnet::clutter($urlp);
1055:
1056: my $newurlp = '';
1057: $colwidth=~s/\s*mm\s*$//;
1058: #characters average about 2 mm in width
1059: if (length($urlp)*2 > $colwidth) {
1060: my @elements = split('/',$urlp);
1061: my $curlength=0;
1062: foreach my $element (@elements) {
1063: if ($element eq '') { next; }
1064: if ($curlength+(length($element)*2) > $colwidth) {
1065: $newurlp .= '|\vskip -1 mm \verb|';
1066: $curlength=length($element)*2;
1067: } else {
1068: $curlength+=length($element)*2;
1069: }
1070: $newurlp.='/'.$element;
1071: }
1072: } else {
1073: $newurlp=$urlp;
1074: }
1075: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
1076: }
1077:
1078: sub recalcto_mm {
1079: my $textwidth=shift;
1080: my $LaTeXwidth;
1081: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1082: $LaTeXwidth = $1*10;
1083: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1084: $LaTeXwidth = $1;
1085: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1086: $LaTeXwidth = $1*25.4;
1087: }
1088: $LaTeXwidth.=' mm';
1089: return $LaTeXwidth;
1090: }
1091:
1092: sub get_textwidth {
1093: my ($helper,$LaTeXwidth)=@_;
1094: my $textwidth=$LaTeXwidth;
1095: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
1096: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1097: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
1098: $helper->{'VARS'}->{'pagesize.widthunit'});
1099: }
1100: return $textwidth;
1101: }
1102:
1103:
1104: sub unsupported {
1105: my ($currentURL,$mode,$symb)=@_;
1106: if ($mode ne '') {$mode='\\'.$mode}
1107: my $result.= &print_latex_header($mode);
1108: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
1109: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
1110: my $title=&Apache::lonnet::gettitle($symb);
1111: $title = &Apache::lonxml::latex_special_symbols($title);
1112: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1113: } else {
1114: $result.=$currentURL;
1115: }
1116: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1117: return $result;
1118: }
1119:
1120:
1121: #
1122: # List of recently generated print files
1123: #
1124: sub recently_generated {
1125: my $r=shift;
1126: my $prtspool=$r->dir_config('lonPrtDir');
1127: my $zip_result;
1128: my $pdf_result;
1129: opendir(DIR,$prtspool);
1130:
1131: my @files =
1132: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1133: closedir(DIR);
1134:
1135: @files = sort {
1136: my ($actime) = (stat($prtspool.'/'.$a))[10];
1137: my ($bctime) = (stat($prtspool.'/'.$b))[10];
1138: return $bctime <=> $actime;
1139: } (@files);
1140:
1141: foreach my $filename (@files) {
1142: my ($ext) = ($filename =~ m/(pdf|zip)$/);
1143: my ($cdev,$cino,$cmode,$cnlink,
1144: $cuid,$cgid,$crdev,$csize,
1145: $catime,$cmtime,$cctime,
1146: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1147: my $result="<a href='/prtspool/$filename'>".
1148: &mt('Generated [_1] ([_2] bytes)',
1149: &Apache::lonlocal::locallocaltime($cctime),$csize).
1150: '</a><br />';
1151: if ($ext eq 'pdf') { $pdf_result .= $result; }
1152: if ($ext eq 'zip') { $zip_result .= $result; }
1153: }
1154: if ($zip_result) {
1155: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
1156: .$zip_result);
1157: }
1158: if ($pdf_result) {
1159: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
1160: .$pdf_result);
1161: }
1162: }
1163:
1164: #
1165: # Retrieve the hash of page breaks.
1166: #
1167: # Inputs:
1168: # helper - reference to helper object.
1169: # Outputs
1170: # A reference to a page break hash.
1171: #
1172: #
1173: #use Data::Dumper;
1174: #sub dump_helper_vars {
1175: # my ($helper) = @_;
1176: # my $helpervars = Dumper($helper->{'VARS'});
1177: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
1178: #}
1179:
1180: sub get_page_breaks {
1181: my ($helper) = @_;
1182: my %page_breaks;
1183:
1184: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1185: $page_breaks{$break} = 1;
1186: }
1187: return %page_breaks;
1188: }
1189:
1190: # Output a sequence (recursively if neeed)
1191: # from construction space.
1192: # Parameters:
1193: # url = URL of the sequence to print.
1194: # helper - Reference to the helper hash.
1195: # form - Copy of the format hash.
1196: # LaTeXWidth
1197: # Returns:
1198: # Text to add to the printout.
1199: # NOTE if the first element of the outermost sequence
1200: # is itself a sequence, the outermost caller may need to
1201: # prefix the latex with the page headers stuff.
1202: #
1203: sub print_construction_sequence {
1204: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1205: my $result;
1206: my $rndseed=time;
1207: if ($helper->{'VARS'}->{'curseed'}) {
1208: $rndseed=$helper->{'VARS'}->{'curseed'};
1209: }
1210: my $errtext=&LONCAPA::map::mapread($currentURL);
1211: #
1212: # These make this all support recursing for subsequences.
1213: #
1214: my @order = @LONCAPA::map::order;
1215: my @resources = @LONCAPA::map::resources;
1216: for (my $member=0;$member<=$#order;$member++) {
1217: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
1218: my $urlp=$2;
1219: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1220: my $texversion='';
1221: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1222: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1223: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1224: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1225: $form{'rndseed'}=$rndseed;
1226: $resources_printed .=$urlp.':';
1227: $texversion=&Apache::lonnet::ssi($urlp,%form);
1228: }
1229: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1230: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1231: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1232: # Don't permanently modify %$form...
1233: my %answerform = %form;
1234: $answerform{'grade_target'}='answer';
1235: $answerform{'answer_output_mode'}='tex';
1236: $answerform{'rndseed'}=$rndseed;
1237: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1238: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1239: $resources_printed .= $urlp.':';
1240: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1241: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1242: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1243: } else {
1244: # If necessary, encapsulate answer in minipage:
1245:
1246: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1247: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
1248: $title = &Apache::lonxml::latex_special_symbols($title);
1249: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1250: $body.=&path_to_problem($urlp,$LaTeXwidth);
1251: $body.='\vskip 1 mm '.$answer.'\end{document}';
1252: $body = &encapsulate_minipage($body);
1253: $texversion.=$body;
1254: }
1255: }
1256: $texversion = &latex_header_footer_remove($texversion);
1257:
1258: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1259: $texversion=&IndexCreation($texversion,$urlp);
1260: }
1261: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1262: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1263: }
1264: $result.=$texversion;
1265:
1266: } elsif ($urlp=~/\.(sequence|page)$/) {
1267:
1268: # header:
1269:
1270: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1271:
1272: # IF sequence, recurse:
1273:
1274: if ($urlp =~ /\.sequence$/) {
1275: my $sequence_url = $urlp;
1276: my $domain = $env{'user.domain'}; # Constr. space only on local
1277: my $user = $env{'user.name'};
1278:
1279: $sequence_url =~ s/^\/res\/$domain/\/home/;
1280: $sequence_url =~ s/^(\/home\/$user)/$1\/public_html/;
1281: # $sequence_url =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1282: $result .= &print_construction_sequence($sequence_url,
1283: $helper, %form,
1284: $LaTeXwidth);
1285: }
1286: }
1287: }
1288: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1289: return $result;
1290: }
1291:
1292: sub output_data {
1293: my ($r,$helper,$rparmhash) = @_;
1294: my %parmhash = %$rparmhash;
1295: $resources_printed = '';
1296: my $js = <<ENDPART;
1297: <script type="text/javascript">
1298: var editbrowser;
1299: function openbrowser(formname,elementname,only,omit) {
1300: var url = '/res/?';
1301: if (editbrowser == null) {
1302: url += 'launch=1&';
1303: }
1304: url += 'catalogmode=interactive&';
1305: url += 'mode=parmset&';
1306: url += 'form=' + formname + '&';
1307: if (only != null) {
1308: url += 'only=' + only + '&';
1309: }
1310: if (omit != null) {
1311: url += 'omit=' + omit + '&';
1312: }
1313: url += 'element=' + elementname + '';
1314: var title = 'Browser';
1315: var options = 'scrollbars=1,resizable=1,menubar=0';
1316: options += ',width=700,height=600';
1317: editbrowser = open(url,title,options,'1');
1318: editbrowser.focus();
1319: }
1320: </script>
1321: ENDPART
1322:
1323: my $start_page = &Apache::loncommon::start_page('Preparing Printout',$js);
1324: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1325:
1326: $r->print($start_page."\n<p>\n$msg\n</p>\n");
1327:
1328: # fetch the pagebreaks and store them in the course environment
1329: # The page breaks will be pulled into the hash %page_breaks which is
1330: # indexed by symb and contains 1's for each break.
1331:
1332: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1333: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1334: &Apache::loncommon::store_course_settings('print',
1335: {'pagebreaks' => 'scalar',
1336: 'lastprinttype' => 'scalar'});
1337:
1338: my %page_breaks = &get_page_breaks($helper);
1339:
1340: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1341: my ($result,$selectionmade) = ('','');
1342: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1343: my @temporary_array=split /\|/,$format_from_helper;
1344: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1345: if ($laystyle eq 'L') {
1346: $laystyle='album';
1347: } else {
1348: $laystyle='book';
1349: }
1350: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1351: my $assignment = $env{'form.assignment'};
1352: my $LaTeXwidth=&recalcto_mm($textwidth);
1353: my @print_array=();
1354: my @student_names=();
1355:
1356: # Common settings for the %form has:
1357: # In some cases these settings get overriddent by specific cases, but the
1358: # settings are common enough to make it worthwhile factoring them out
1359: # here.
1360: #
1361: my %form;
1362: $form{'grade_target'} = 'tex';
1363: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1364:
1365: # If form.showallfoils is set, then request all foils be shown:
1366: # privilege will be enforced both by not allowing the
1367: # check box selecting this option to be presnt unless it's ok,
1368: # and by lonresponse's priv. check.
1369: # The if is here because lonresponse.pm only cares that
1370: # showallfoils is defined, not what the value is.
1371:
1372: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1373: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1374: }
1375:
1376: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1377: #-- single document - problem, page, html, xml, ...
1378: my ($currentURL,$cleanURL);
1379:
1380: if ($helper->{'VARS'}->{'construction'} ne '1') {
1381: #prints published resource
1382: $currentURL=$helper->{'VARS'}->{'postdata'};
1383: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1384: } else {
1385: #prints resource from the construction space
1386: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1387: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1388: $cleanURL=$currentURL;
1389: }
1390: $selectionmade = 1;
1391: if ($cleanURL!~m|^/adm/|
1392: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1393: my $rndseed=time;
1394: my $texversion='';
1395: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1396: my %moreenv;
1397: $moreenv{'request.filename'}=$cleanURL;
1398: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1399: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1400: my $dom = $env{'user.domain'};
1401: my $user = $env{'user.name'};
1402: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1403: }
1404: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1405: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1406: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1407: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1408: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1409: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1410: if ($helper->{'VARS'}->{'curseed'}) {
1411: $rndseed=$helper->{'VARS'}->{'curseed'};
1412: }
1413: $form{'rndseed'}=$rndseed;
1414: &Apache::lonnet::appenv(%moreenv);
1415:
1416: &Apache::lonxml::clear_problem_counter();
1417:
1418: $resources_printed .= $currentURL.':';
1419: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1420:
1421: &Apache::lonxml::clear_problem_counter();
1422:
1423: &Apache::lonnet::delenv('request.filename');
1424: }
1425: # current document with answers.. no need to encap in minipage
1426: # since there's only one answer.
1427:
1428: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1429: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1430: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1431: $form{'grade_target'}='answer';
1432: $form{'answer_output_mode'}='tex';
1433: $form{'rndseed'}=$rndseed;
1434: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1435: $form{'problemtype'}='exam';
1436: }
1437: $resources_printed .= $currentURL.':';
1438: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1439: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1440: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1441: } else {
1442: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1443: if ($helper->{'VARS'}->{'construction'} ne '1') {
1444: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
1445: $title = &Apache::lonxml::latex_special_symbols($title);
1446: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1447: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1448: } else {
1449: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1450: my $URLpath=$cleanURL;
1451: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1452: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1453: }
1454: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1455: }
1456: }
1457: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1458: $texversion=&IndexCreation($texversion,$currentURL);
1459: }
1460: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1461: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1462:
1463: }
1464: $result .= $texversion;
1465: if ($currentURL=~m/\.page\s*$/) {
1466: ($result,$number_of_columns) = &page_cleanup($result);
1467: }
1468: } elsif ($cleanURL!~m|^/adm/|
1469: && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1470: #printing content of sequence from the construction space
1471: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1472: $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1473: $result .= &print_construction_sequence($currentURL, $helper, %form,
1474: $LaTeXwidth);
1475: $result .= '\end{document}';
1476: if (!($result =~ /\\begin\{document\}/)) {
1477: $result = &print_latex_header() . $result;
1478: }
1479: # End construction space sequence.
1480: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1481: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1482: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1483: $resources_printed .= $currentURL.':';
1484: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1485: $result .= $texversion;
1486: } elsif ($cleanURL =~/.tex$/) {
1487: # For this sort of print of a single LaTeX file,
1488: # We can just print the LaTeX file as it is uninterpreted in any way:
1489: #
1490:
1491: $result = &fetch_raw_resource($currentURL);
1492:
1493: } else {
1494: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
1495: $helper->{'VARS'}->{'symb'});
1496: }
1497: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1498: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1499: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1500: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1501: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1502: #-- produce an output string
1503: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1504: $selectionmade = 2;
1505: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1506: $selectionmade = 3;
1507: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1508: $selectionmade = 4;
1509: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1510: $selectionmade = 4;
1511: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1512: $selectionmade = 7;
1513: }
1514: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1515: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1516: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1517: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1518: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1519: my $flag_latex_header_remove = 'NO';
1520: my $flag_page_in_sequence = 'NO';
1521: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1522: my $prevassignment='';
1523:
1524: &Apache::lonxml::clear_problem_counter();
1525:
1526: my $pbreakresources = keys %page_breaks;
1527: for (my $i=0;$i<=$#master_seq;$i++) {
1528:
1529: # Note due to document structure, not allowed to put \newpage
1530: # prior to the first resource
1531:
1532: if (defined $page_breaks{$master_seq[$i]}) {
1533: if($i != 0) {
1534: $result.="\\newpage\n";
1535: }
1536: }
1537: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1538: $urlp=&Apache::lonnet::clutter($urlp);
1539: $form{'symb'}=$master_seq[$i];
1540:
1541: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1542: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1543: if ($i==0) {$prevassignment=$assignment;}
1544: my $texversion='';
1545: if ($urlp!~m|^/adm/|
1546: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1547: $resources_printed .= $urlp.':';
1548:
1549: &Apache::lonxml::remember_problem_counter();
1550: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1551: if ($urlp=~/\.page$/) {
1552: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1553: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1554: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1555: $flag_page_in_sequence = 'YES';
1556: }
1557:
1558: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1559: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1560: # Don't permanently pervert the %form hash
1561: my %answerform = %form;
1562: $answerform{'grade_target'}='answer';
1563: $answerform{'answer_output_mode'}='tex';
1564: $resources_printed .= $urlp.':';
1565:
1566: &Apache::lonxml::restore_problem_counter();
1567: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1568:
1569: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1570: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1571: } else {
1572: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1573: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1574: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
1575: $title = &Apache::lonxml::latex_special_symbols($title);
1576: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1577: $body .= &path_to_problem ($urlp,$LaTeXwidth);
1578: $body .='\vskip 1 mm '.$answer;
1579: $body = &encapsulate_minipage($body);
1580: $texversion .= $body;
1581: } else {
1582: $texversion='';
1583: }
1584: }
1585: }
1586: if ($flag_latex_header_remove ne 'NO') {
1587: $texversion = &latex_header_footer_remove($texversion);
1588: } else {
1589: $texversion =~ s/\\end{document}//;
1590: }
1591: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1592: $texversion=&IndexCreation($texversion,$urlp);
1593: }
1594: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1595: my $name = &get_name();
1596: my $courseidinfo = &get_course();
1597: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1598: $prevassignment=$assignment;
1599: my $header_text = $parmhash{'print_header_format'};
1600: $header_text = &format_page_header($textwidth, $header_text,
1601: $assignment,
1602: $courseidinfo,
1603: $name);
1604: if ($numberofcolumns eq '1') {
1605: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1606: } else {
1607: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1608: }
1609: }
1610: $result .= $texversion;
1611: $flag_latex_header_remove = 'YES';
1612: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1613: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1614: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1615: $resources_printed .= $urlp.':';
1616: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1617: if ($flag_latex_header_remove ne 'NO') {
1618: $texversion = &latex_header_footer_remove($texversion);
1619: } else {
1620: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1621: }
1622: $result .= $texversion;
1623: $flag_latex_header_remove = 'YES';
1624: } else {
1625: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
1626: $master_seq[$i]);
1627: if ($flag_latex_header_remove ne 'NO') {
1628: $texversion = &latex_header_footer_remove($texversion);
1629: } else {
1630: $texversion =~ s/\\end{document}//;
1631: }
1632: $result .= $texversion;
1633: $flag_latex_header_remove = 'YES';
1634: }
1635: if (&Apache::loncommon::connection_aborted($r)) { last; }
1636: }
1637: &Apache::lonxml::clear_problem_counter();
1638: if ($flag_page_in_sequence eq 'YES') {
1639: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1640: }
1641: $result .= '\end{document}';
1642: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1643: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1644:
1645:
1646: #-- prints assignments for whole class or for selected students
1647: my $type;
1648: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1649: $selectionmade=5;
1650: $type='problems';
1651: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1652: $selectionmade=8;
1653: $type='resources';
1654: }
1655: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1656: # The normal sort order is by section then by students within the
1657: # section. If the helper var student_sort is 1, then the user has elected
1658: # to override this and output the students by name.
1659: # Each element of the students array is of the form:
1660: # username:domain:section:last, first:status
1661: #
1662: # Note that student sort is not compatible with printing
1663: # 1 section per pdf...so that setting overrides.
1664: #
1665: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
1666: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1667: @students = sort compare_names @students;
1668: }
1669: &adjust_number_to_print($helper);
1670:
1671: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1672: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1673: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1674: }
1675: # If we are splitting on section boundaries, we need
1676: # to remember that in split_on_sections and
1677: # print all of the students in the list.
1678: #
1679: my $split_on_sections = 0;
1680: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
1681: $split_on_sections = 1;
1682: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
1683: }
1684: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1685:
1686: #loop over students
1687: my $flag_latex_header_remove = 'NO';
1688: my %moreenv;
1689: $moreenv{'instructor_comments'}='hide';
1690: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1691: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1692: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1693: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1694: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1695: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1696: my $student_counter=-1;
1697: my $i = 0;
1698: my $last_section = (split(/:/,$students[0]))[2];
1699: foreach my $person (@students) {
1700:
1701: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1702: if (-e $duefile) {
1703: my $temp_file = Apache::File->new('>>'.$duefile);
1704: print $temp_file "1969\n";
1705: }
1706: $student_counter++;
1707: if ($split_on_sections) {
1708: my $this_section = (split(/:/,$person))[2];
1709: if ($this_section ne $last_section) {
1710: $i++;
1711: $last_section = $this_section;
1712: }
1713: } else {
1714: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1715: }
1716: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1717: $person,$type,
1718: \%moreenv,\@master_seq,
1719: $flag_latex_header_remove,
1720: $LaTeXwidth);
1721: $resources_printed .= ":";
1722: $print_array[$i].=$output;
1723: $student_names[$i].=$person.':'.$fullname.'_END_';
1724: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1725: $flag_latex_header_remove = 'YES';
1726: if (&Apache::loncommon::connection_aborted($r)) { last; }
1727: }
1728: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1729: $result .= $print_array[0].' \end{document}';
1730: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1731: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1732: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1733: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1734: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1735: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1736: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1737: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1738: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1739:
1740: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1741: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1742: my ($code_type,$code_length)=('letter',6);
1743: foreach my $line (<FH>) {
1744: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1745: if ($name eq $code_option) {
1746: $code_length=$length;
1747: if ($type eq 'number') { $code_type = 'number'; }
1748: }
1749: }
1750: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1751: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1752: $moreenv{'instructor_comments'}='hide';
1753: my $seed=time+($$<<16)+($$);
1754: my @allcodes;
1755: if ($old_name) {
1756: my %result=&Apache::lonnet::get('CODEs',
1757: [$old_name,"type\0$old_name"],
1758: $cdom,$cnum);
1759: $code_type=$result{"type\0$old_name"};
1760: @allcodes=split(',',$result{$old_name});
1761: $num_todo=scalar(@allcodes);
1762: } elsif ($selected_code) { # Selection value is always numeric.
1763: $num_todo = 1;
1764: @allcodes = ($selected_code);
1765: } elsif ($single_code) {
1766:
1767: $num_todo = 1; # Unconditionally one code to do.
1768: # If an alpha code have to convert to numbers so it can be
1769: # converted back to letters again :-)
1770: #
1771: if ($code_type ne 'number') {
1772: $single_code = &letters_to_num($single_code);
1773: }
1774: @allcodes = ($single_code);
1775: } else {
1776: my %allcodes;
1777: srand($seed);
1778: for (my $i=0;$i<$num_todo;$i++) {
1779: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1780: $code_type);
1781: }
1782: if ($code_name) {
1783: &Apache::lonnet::put('CODEs',
1784: {
1785: $code_name =>join(',',keys(%allcodes)),
1786: "type\0$code_name" => $code_type
1787: },
1788: $cdom,$cnum);
1789: }
1790: @allcodes=keys(%allcodes);
1791: }
1792: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1793: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1794: &adjust_number_to_print($helper);
1795: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1796: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1797: $number_per_page=$num_todo;
1798: }
1799: my $flag_latex_header_remove = 'NO';
1800: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1801: my $count=0;
1802: foreach my $code (sort(@allcodes)) {
1803: my $file_num=int($count/$number_per_page);
1804: if ($code_type eq 'number') {
1805: $moreenv{'CODE'}=$code;
1806: } else {
1807: $moreenv{'CODE'}=&num_to_letters($code);
1808: }
1809: my ($output,$fullname, $printed)=
1810: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1811: \@master_seq,$flag_latex_header_remove,
1812: $LaTeXwidth);
1813: $resources_printed .= ":";
1814: $print_array[$file_num].=$output;
1815: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1816: &mt('last assignment').' '.$fullname);
1817: $flag_latex_header_remove = 'YES';
1818: $count++;
1819: if (&Apache::loncommon::connection_aborted($r)) { last; }
1820: }
1821: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1822: $result .= $print_array[0].' \end{document}';
1823: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1824: #prints selected problems from the subdirectory
1825: $selectionmade = 6;
1826: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1827: @list_of_files=sort @list_of_files;
1828: my $flag_latex_header_remove = 'NO';
1829: my $rndseed=time;
1830: if ($helper->{'VARS'}->{'curseed'}) {
1831: $rndseed=$helper->{'VARS'}->{'curseed'};
1832: }
1833: for (my $i=0;$i<=$#list_of_files;$i++) {
1834: my $urlp = $list_of_files[$i];
1835: $urlp=~s|//|/|;
1836: if ($urlp=~/\//) {
1837: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1838: $form{'rndseed'}=$rndseed;
1839: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1840: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1841: } else {
1842: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1843: }
1844: $resources_printed .= $urlp.':';
1845: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1846: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1847: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1848: # Don't permanently pervert %form:
1849: my %answerform = %form;
1850: $answerform{'grade_target'}='answer';
1851: $answerform{'answer_output_mode'}='tex';
1852: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1853: $answerform{'rndseed'}=$rndseed;
1854: $resources_printed .= $urlp.':';
1855: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1856: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1857: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1858: } else {
1859: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1860: if ($helper->{'VARS'}->{'construction'} ne '1') {
1861: $texversion.='\vskip 0 mm \noindent ';
1862: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1863: } else {
1864: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1865: my $URLpath=$urlp;
1866: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1867: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1868: }
1869: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1870: }
1871: }
1872: #this chunck is responsible for printing the path to problem
1873: my $newurlp=$urlp;
1874: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1875: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1876: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1877: if ($flag_latex_header_remove ne 'NO') {
1878: $texversion = &latex_header_footer_remove($texversion);
1879: } else {
1880: $texversion =~ s/\\end{document}//;
1881: }
1882: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1883: $texversion=&IndexCreation($texversion,$urlp);
1884: }
1885: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1886: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1887:
1888: }
1889: $result .= $texversion;
1890: }
1891: $flag_latex_header_remove = 'YES';
1892: }
1893: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1894: $result .= '\end{document}';
1895: }
1896: #-------------------------------------------------------- corrections for the different page formats
1897: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1898: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
1899: $helper->{'VARS'}->{'ANSWER_TYPE'});
1900: #if ($numberofcolumns == 1) {
1901: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1902: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1903: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1904: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1905: #}
1906:
1907: #-- writing .tex file in prtspool
1908: my $temp_file;
1909: my $identifier = &Apache::loncommon::get_cgi_id();
1910: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1911: if (!($#print_array>0)) {
1912: unless ($temp_file = Apache::File->new('>'.$filename)) {
1913: $r->log_error("Couldn't open $filename for output $!");
1914: return SERVER_ERROR;
1915: }
1916: print $temp_file $result;
1917: my $begin=index($result,'\begin{document}',0);
1918: my $inc=substr($result,0,$begin+16);
1919: } else {
1920: my $begin=index($result,'\begin{document}',0);
1921: my $inc=substr($result,0,$begin+16);
1922: for (my $i=0;$i<=$#print_array;$i++) {
1923: if ($i==0) {
1924: $print_array[$i]=$result;
1925: } else {
1926: $print_array[$i].='\end{document}';
1927: $print_array[$i] =
1928: &latex_corrections($number_of_columns,$print_array[$i],
1929: $selectionmade,
1930: $helper->{'VARS'}->{'ANSWER_TYPE'});
1931:
1932: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1933: substr($print_array[$i],0,$anobegin)='';
1934: $print_array[$i]=$inc.$print_array[$i];
1935: }
1936: my $temp_file;
1937: my $newfilename=$filename;
1938: my $num=$i+1;
1939: $newfilename =~s/\.tex$//;
1940: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1941: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1942: $r->log_error("Couldn't open $newfilename for output $!");
1943: return SERVER_ERROR;
1944: }
1945: print $temp_file $print_array[$i];
1946: }
1947: }
1948: my $student_names='';
1949: if ($#print_array>0) {
1950: for (my $i=0;$i<=$#print_array;$i++) {
1951: $student_names.=$student_names[$i].'_ENDPERSON_';
1952: }
1953: } else {
1954: if ($#student_names>-1) {
1955: $student_names=$student_names[0].'_ENDPERSON_';
1956: } else {
1957: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1958: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1959: $env{'request.course.sec'},$fullname).
1960: '_ENDPERSON_'.'_END_';
1961: }
1962: }
1963:
1964: my $URLback=''; #link to original document
1965: if ($helper->{'VARS'}->{'construction'} ne '1') {
1966: #prints published resource
1967: $URLback=&escape('/adm/flip?postdata=return:');
1968: } else {
1969: #prints resource from the construction space
1970: $URLback='/'.$helper->{'VARS'}->{'filename'};
1971: if ($URLback=~/([^?]+)/) {
1972: $URLback=$1;
1973: $URLback=~s|^/~|/priv/|;
1974: }
1975: }
1976: # logic for now is too complex to trace if this has been defined
1977: # yet.
1978: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1979: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1980: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1981: 'cgi.'.$identifier.'.layout' => $laystyle,
1982: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1983: 'cgi.'.$identifier.'.paper' => $papersize,
1984: 'cgi.'.$identifier.'.selection' => $selectionmade,
1985: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1986: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1987: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1988: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1989: 'cgi.'.$identifier.'.studentnames' => $student_names,
1990: 'cgi.'.$identifier.'.backref' => $URLback,);
1991: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1992: "cgi.$identifier.domain" => $env{'user.domain'},
1993: "cgi.$identifier.courseid" => $cnum,
1994: "cgi.$identifier.coursedom" => $cdom,
1995: "cgi.$identifier.resources" => $resources_printed);
1996:
1997: my $end_page = &Apache::loncommon::end_page();
1998: $r->print(<<FINALEND);
1999: <br />
2000: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
2001: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
2002: $end_page
2003: FINALEND
2004: }
2005:
2006:
2007: sub get_CODE {
2008: my ($all_codes,$num,$seed,$size,$type)=@_;
2009: my $max='1'.'0'x$size;
2010: my $newcode;
2011: while(1) {
2012: $newcode=sprintf("%0".$size."d",int(rand($max)));
2013: if (!exists($$all_codes{$newcode})) {
2014: $$all_codes{$newcode}=1;
2015: if ($type eq 'number' ) {
2016: return $newcode;
2017: } else {
2018: return &num_to_letters($newcode);
2019: }
2020: }
2021: }
2022: }
2023:
2024: sub print_resources {
2025: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
2026: $LaTeXwidth)=@_;
2027: my $current_output = '';
2028: my $printed = '';
2029: my ($username,$userdomain,$usersection) = split /:/,$person;
2030: my $fullname = &get_name($username,$userdomain);
2031: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
2032: if ($person =~ 'anon') {
2033: $namepostfix .="Name: ";
2034: $fullname = "CODE - ".$moreenv->{'CODE'};
2035: }
2036: # Fullname may have special latex characters that need \ prefixing:
2037: #
2038:
2039: my $i = 0;
2040: #goes through all resources, checks if they are available for
2041: #current student, and produces output
2042:
2043: &Apache::lonxml::clear_problem_counter();
2044: my %page_breaks = &get_page_breaks($helper);
2045: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
2046: #
2047: # end each student with a
2048: # Special that allows the post processor to even out the page
2049: # counts later. Nasty problem this... it would be really
2050: # nice to put the special in as a postscript comment
2051: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
2052: # The special gets passed the \ and dvips puts it in the output file
2053: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
2054: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
2055: #
2056:
2057: foreach my $curresline (@{$master_seq}) {
2058: if (defined $page_breaks{$curresline}) {
2059: if($i != 0) {
2060: $current_output.= "\\newpage\n";
2061: }
2062: }
2063: $i++;
2064: if ( !($type eq 'problems' &&
2065: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
2066: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
2067: if (&Apache::lonnet::allowed('bre',$res_url)) {
2068: if ($res_url!~m|^ext/|
2069: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2070: $printed .= $curresline.':';
2071:
2072: &Apache::lonxml::remember_problem_counter();
2073:
2074: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
2075:
2076: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2077: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2078: # Use a copy of the hash so we don't pervert it on future loop passes.
2079: my %answerenv = %{$moreenv};
2080: $answerenv{'answer_output_mode'}='tex';
2081: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2082:
2083: &Apache::lonxml::restore_problem_counter();
2084:
2085: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
2086:
2087: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2088: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
2089: } else {
2090:
2091:
2092: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2093: my $title = &Apache::lonnet::gettitle($curresline);
2094: $title = &Apache::lonxml::latex_special_symbols($title);
2095: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2096: $body .=&path_to_problem($res_url,$LaTeXwidth);
2097: $body .='\vskip 1 mm '.$ansrendered;
2098: $body = &encapsulate_minipage($body);
2099: $rendered = $header.$body;
2100: }
2101: }
2102: if ($remove_latex_header eq 'YES') {
2103: $rendered = &latex_header_footer_remove($rendered);
2104: } else {
2105: $rendered =~ s/\\end{document}//;
2106: }
2107: $current_output .= $rendered;
2108: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
2109: $printed .= $curresline.':';
2110: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
2111:
2112: if ($remove_latex_header eq 'YES') {
2113: $rendered = &latex_header_footer_remove($rendered);
2114: } else {
2115: $rendered =~ s/\\end{document}//;
2116: }
2117: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
2118:
2119: } else {
2120: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
2121: if ($remove_latex_header ne 'NO') {
2122: $rendered = &latex_header_footer_remove($rendered);
2123: } else {
2124: $rendered =~ s/\\end{document}//;
2125: }
2126: $current_output .= $rendered;
2127: }
2128: }
2129: $remove_latex_header = 'YES';
2130: }
2131: if (&Apache::loncommon::connection_aborted($r)) { last; }
2132: }
2133: my $courseidinfo = &get_course();
2134: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
2135: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
2136: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
2137: my $header_line =
2138: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
2139: $currentassignment, $courseidinfo, $fullname);
2140: my $header_start = ($columns_in_format == 1) ? '\lhead'
2141: : '\fancyhead[LO]';
2142: $header_line = $header_start.'{'.$header_line.'}';
2143:
2144: if ($current_output=~/\\documentclass/) {
2145: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
2146: } else {
2147: my $blankpages =
2148: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
2149:
2150: $current_output = '\strut\vspace*{-6 mm}\\newline'.
2151: ©right_line().' \newpage '.$blankpages.$end_of_student.
2152: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
2153: $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
2154: }
2155: #
2156: # Close the student bracketing.
2157: #
2158: return ($current_output,$fullname, $printed);
2159:
2160: }
2161:
2162: sub handler {
2163:
2164: my $r = shift;
2165:
2166: &init_perm();
2167:
2168:
2169:
2170: my $helper = printHelper($r);
2171: if (!ref($helper)) {
2172: return $helper;
2173: }
2174:
2175:
2176: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2177:
2178:
2179:
2180:
2181: # If a figure conversion queue file exists for this user.domain
2182: # we delete it since it can only be bad (if it were good, printout.pl
2183: # would have deleted it the last time around.
2184:
2185: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
2186: if(-e $conversion_queuefile) {
2187: unlink $conversion_queuefile;
2188: }
2189: &output_data($r,$helper,\%parmhash);
2190: return OK;
2191: }
2192:
2193: use Apache::lonhelper;
2194:
2195: sub addMessage {
2196: my $text = shift;
2197: my $paramHash = Apache::lonhelper::getParamHash();
2198: $paramHash->{MESSAGE_TEXT} = $text;
2199: Apache::lonhelper::message->new();
2200: }
2201:
2202:
2203:
2204: sub init_perm {
2205: undef(%perm);
2206: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
2207: if (!$perm{'pav'}) {
2208: $perm{'pav'}=&Apache::lonnet::allowed('pav',
2209: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2210: }
2211: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
2212: if (!$perm{'pfo'}) {
2213: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
2214: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2215: }
2216: }
2217:
2218: sub printHelper {
2219: my $r = shift;
2220:
2221: if ($r->header_only) {
2222: if ($env{'browser.mathml'}) {
2223: &Apache::loncommon::content_type($r,'text/xml');
2224: } else {
2225: &Apache::loncommon::content_type($r,'text/html');
2226: }
2227: $r->send_http_header;
2228: return OK;
2229: }
2230:
2231: # Send header, nocache
2232: if ($env{'browser.mathml'}) {
2233: &Apache::loncommon::content_type($r,'text/xml');
2234: } else {
2235: &Apache::loncommon::content_type($r,'text/html');
2236: }
2237: &Apache::loncommon::no_cache($r);
2238: $r->send_http_header;
2239: $r->rflush();
2240:
2241: # Unfortunately, this helper is so complicated we have to
2242: # write it by hand
2243:
2244: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
2245:
2246: my $helper = Apache::lonhelper::helper->new("Printing Helper");
2247: $helper->declareVar('symb');
2248: $helper->declareVar('postdata');
2249: $helper->declareVar('curseed');
2250: $helper->declareVar('probstatus');
2251: $helper->declareVar('filename');
2252: $helper->declareVar('construction');
2253: $helper->declareVar('assignment');
2254: $helper->declareVar('style_file');
2255: $helper->declareVar('student_sort');
2256: $helper->declareVar('FINISHPAGE');
2257: $helper->declareVar('PRINT_TYPE');
2258: $helper->declareVar("showallfoils");
2259: $helper->declareVar("STUDENTS");
2260:
2261: # The page breaks can get loaded initially from the course environment:
2262: # But we only do this in the initial state so that they are allowed to change.
2263: #
2264:
2265: # $helper->{VARS}->{FINISHPAGE} = '';
2266:
2267: &Apache::loncommon::restore_course_settings('print',
2268: {'pagebreaks' => 'scalar',
2269: 'lastprinttype' => 'scalar'});
2270:
2271: # This will persistently load in the data we want from the
2272: # very first screen.
2273:
2274: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
2275: if (!defined ($env{"form.CURRENT_STATE"})) {
2276:
2277: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2278: } else {
2279: my $state = $env{"form.CURRENT_STATE"};
2280: if ($state eq "START") {
2281: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2282: }
2283: }
2284:
2285: }
2286:
2287:
2288: # Detect whether we're coming from construction space
2289: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
2290: $helper->{VARS}->{'filename'} = "~$1/$2";
2291: $helper->{VARS}->{'construction'} = 1;
2292: } else {
2293: if ($env{'form.postdata'}) {
2294: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
2295: if ( $helper->{VARS}->{'symb'} eq '') {
2296: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
2297: }
2298: }
2299: if ($env{'form.symb'}) {
2300: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2301: }
2302: if ($env{'form.url'}) {
2303: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2304: }
2305:
2306: }
2307:
2308: if ($env{'form.symb'}) {
2309: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2310: }
2311: if ($env{'form.url'}) {
2312: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2313:
2314: }
2315: $helper->{VARS}->{'symb'}=
2316: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
2317: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
2318: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
2319:
2320:
2321: # Extract map
2322: my $symb = $helper->{VARS}->{'symb'};
2323: my ($map, $id, $url);
2324: my $subdir;
2325: my $is_published=0; # True when printing from resource space.
2326:
2327: # Get the resource name from construction space
2328: if ($helper->{VARS}->{'construction'}) {
2329: $resourceTitle = substr($helper->{VARS}->{'filename'},
2330: rindex($helper->{VARS}->{'filename'}, '/')+1);
2331: $subdir = substr($helper->{VARS}->{'filename'},
2332: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
2333: } else {
2334: if ($symb ne '') {
2335: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
2336: $helper->{VARS}->{'postdata'} =
2337: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
2338: } else {
2339: $url = $helper->{VARS}->{'postdata'};
2340: $is_published=1; # From resource space.
2341: }
2342: $url = &Apache::lonnet::clutter($url);
2343:
2344: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
2345: my $postdata = $helper->{VARS}->{'postdata'};
2346: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
2347: }
2348: $subdir = &Apache::lonnet::filelocation("", $url);
2349: }
2350: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2351: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2352: }
2353: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2354: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2355: }
2356:
2357: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2358:
2359: Apache::lonhelper::registerHelperTags();
2360:
2361: # "Delete everything after the last slash."
2362: $subdir =~ s|/[^/]+$||;
2363:
2364: # What can be printed is a very dynamic decision based on
2365: # lots of factors. So we need to dynamically build this list.
2366: # To prevent security leaks, states are only added to the wizard
2367: # if they can be reached, which ensures manipulating the form input
2368: # won't allow anyone to reach states they shouldn't have permission
2369: # to reach.
2370:
2371: # printChoices is tracking the kind of printing the user can
2372: # do, and will be used in a choices construction later.
2373: # In the meantime we will be adding states and elements to
2374: # the helper by hand.
2375: my $printChoices = [];
2376: my $paramHash;
2377:
2378: if ($resourceTitle) {
2379: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2380: }
2381:
2382: # Useful filter strings
2383: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2384: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2385: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2386: my $isNotMap = '!$res->is_sequence()';
2387: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2388: my $isMap = '$res->is_map()';
2389: my $symbFilter = '$res->shown_symb()';
2390: my $urlValue = '$res->link()';
2391:
2392: $helper->declareVar('SEQUENCE');
2393:
2394: # If we're in a sequence...
2395:
2396: my $start_new_option;
2397: if ($perm{'pav'}) {
2398: $start_new_option =
2399: "<option text='".&mt('Start new page<br />before selected').
2400: "' variable='FINISHPAGE' />";
2401: }
2402:
2403: if (($helper->{'VARS'}->{'construction'} ne '1' ) &&
2404:
2405: $helper->{VARS}->{'postdata'} &&
2406: $helper->{VARS}->{'assignment'}) {
2407: # Allow problems from sequence
2408: push @{$printChoices}, [&mt('Selected <b>Problems</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems', 'CHOOSE_PROBLEMS'];
2409: # Allow all resources from sequence
2410: push @{$printChoices}, [&mt('Selected <b>Resources</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2411:
2412: my $helperFragment = <<HELPERFRAGMENT;
2413: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2414: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2415: closeallpages="1">
2416: <nextstate>PAGESIZE</nextstate>
2417: <filterfunc>return $isProblem;</filterfunc>
2418: <mapurl>$map</mapurl>
2419: <valuefunc>return $symbFilter;</valuefunc>
2420: $start_new_option
2421: </resource>
2422: </state>
2423:
2424: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2425: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2426: closeallpages="1">
2427: <nextstate>PAGESIZE</nextstate>
2428: <filterfunc>return $isNotMap;</filterfunc>
2429: <mapurl>$map</mapurl>
2430: <valuefunc>return $symbFilter;</valuefunc>
2431: $start_new_option
2432: </resource>
2433: </state>
2434: HELPERFRAGMENT
2435:
2436: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2437: }
2438:
2439: # If the user has pfo (print for otheres) allow them to print all
2440: # problems and resources in the entier course, optionally for selected students
2441: if ($perm{'pfo'} && !$is_published &&
2442: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2443:
2444: push @{$printChoices}, ['Selected <b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2445: push @{$printChoices}, ['Selected <b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2446: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2447: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2448: <resource variable="RESOURCES" toponly='0' multichoice="1"
2449: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2450: <nextstate>PAGESIZE</nextstate>
2451: <filterfunc>return $isProblemOrMap;</filterfunc>
2452: <choicefunc>return $isNotMap;</choicefunc>
2453: <valuefunc>return $symbFilter;</valuefunc>
2454: $start_new_option
2455: </resource>
2456: </state>
2457: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2458: <resource variable="RESOURCES" toponly='0' multichoice='1'
2459: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2460: <nextstate>PAGESIZE</nextstate>
2461: <filterfunc>return $isNotMap; </filterfunc>
2462: <valuefunc>return $symbFilter;</valuefunc>
2463: $start_new_option
2464: </resource>
2465: </state>
2466: ALL_PROBLEMS
2467:
2468: if ($helper->{VARS}->{'assignment'}) {
2469: push @{$printChoices}, [&mt("Selected <b>Problems</b> from folder <b><i>[_1]</i></b> for <b>selected people</b>",$sequenceTitle), 'problems_for_students', 'CHOOSE_STUDENTS'];
2470: push @{$printChoices}, [&mt("Selected <b>Problems</b> from folder <b><i>[_1]</i></b> for <b>CODEd assignments</b>",$sequenceTitle), 'problems_for_anon', 'CHOOSE_ANON1'];
2471: }
2472:
2473: # resource_selector will hold a few states that:
2474: # - Allow resources to be selected for printing.
2475: # - Determine pagination between assignments.
2476: # - Determine how many assignments should be bundled into a single PDF.
2477: # TODO:
2478: # Probably good to do things like separate this up into several vars, each
2479: # with one state, and use REGEXPs at inclusion time to set state names
2480: # and next states for better mix and match capability
2481: #
2482: my $resource_selector=<<RESOURCE_SELECTOR;
2483: <state name="SELECT_PROBLEMS" title="Select resources to print">
2484: <nextstate>PRINT_FORMATTING</nextstate>
2485: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2486: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2487: closeallpages="1">
2488: <filterfunc>return $isProblem;</filterfunc>
2489: <mapurl>$map</mapurl>
2490: <valuefunc>return $symbFilter;</valuefunc>
2491: $start_new_option
2492: </resource>
2493: </state>
2494: <state name="PRINT_FORMATTING" title="How should results be printed?">
2495: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2496: <choices variable="EMPTY_PAGES">
2497: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2498: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2499: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2500: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2501: </choices>
2502: <nextstate>PAGESIZE</nextstate>
2503: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2504: <choices variable="SPLIT_PDFS">
2505: <choice computer="all">All assignments in a single PDF file</choice>
2506: <choice computer="sections">Each PDF contains exactly one section</choice>
2507: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2508: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2509: Specify the number of assignments per PDF:</choice>
2510: </choices>
2511: </state>
2512: RESOURCE_SELECTOR
2513:
2514: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2515: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2516: <message><b>Select sorting order of printout</b> </message>
2517: <choices variable='student_sort'>
2518: <choice computer='0'>Sort by section then student</choice>
2519: <choice computer='1'>Sort by students across sections.</choice>
2520: </choices>
2521: <message><br /><hr /><br /> </message>
2522: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
2523: </state>
2524: $resource_selector
2525: CHOOSE_STUDENTS
2526:
2527: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2528: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2529: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2530: my $namechoice='<choice></choice>';
2531: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2532: if ($name =~ /^error: 2 /) { next; }
2533: if ($name =~ /^type\0/) { next; }
2534: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2535: }
2536:
2537:
2538: my %code_values;
2539: my %codes_to_print;
2540: foreach my $key (@names) {
2541: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2542: foreach my $key (keys(%code_values)) {
2543: $codes_to_print{$key} = 1;
2544: }
2545: }
2546:
2547: my $code_selection;
2548: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
2549: my $choice = $code;
2550: if ($code =~ /^[A-Z]+$/) { # Alpha code
2551: $choice = &letters_to_num($code);
2552: }
2553: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
2554: }
2555: if (%codes_to_print) {
2556: $code_selection .='
2557: <message><b>Choose single CODE from list:</b></message>
2558: <message></td><td></message>
2559: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2560: <choice></choice>
2561: <exec>
2562: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
2563: </exec>
2564: </dropdown>
2565: <message></td></tr><tr><td></message>
2566: '.$/;
2567:
2568: }
2569:
2570:
2571: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2572: my $codechoice='';
2573: foreach my $line (<FH>) {
2574: my ($name,$description,$code_type,$code_length)=
2575: (split(/:/,$line))[0,1,2,4];
2576: if ($code_length > 0 &&
2577: $code_type =~/^(letter|number|-1)/) {
2578: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2579: }
2580: }
2581: if ($codechoice eq '') {
2582: $codechoice='<choice computer="default">Default</choice>';
2583: }
2584: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2585: <state name="CHOOSE_ANON1" title="Specify CODEd Assignments">
2586: <nextstate>SELECT_PROBLEMS</nextstate>
2587: <message><h4>Fill out one of the forms below</h4></message>
2588: <message><br /><hr /> <br /></message>
2589: <message><h3>Generate new CODEd Assignments</h3></message>
2590: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2591: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2592: <validator>
2593: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2594: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2595: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2596: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2597: return "You need to specify the number of assignments to print";
2598: }
2599: return undef;
2600: </validator>
2601: </string>
2602: <message></td></tr><tr><td></message>
2603: <message><b>Names to store the CODEs under for later:</b></message>
2604: <message></td><td></message>
2605: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2606: <message></td></tr><tr><td></message>
2607: <message><b>Bubble sheet type:</b></message>
2608: <message></td><td></message>
2609: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2610: $codechoice
2611: </dropdown>
2612: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
2613: <message></td></tr><tr><td></table></message>
2614: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2615: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2616: <string variable="SINGLE_CODE" size="10">
2617: <validator>
2618: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2619: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2620: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2621: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2622: \$helper->{'VARS'}{'CODE_OPTION'});
2623: } else {
2624: return undef; # Other forces control us.
2625: }
2626: </validator>
2627: </string>
2628: <message></td></tr><tr><td></message>
2629: $code_selection
2630: <message></td></tr></table></message>
2631: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2632: <message><b>Select saved CODEs:</b></message>
2633: <message></td><td></message>
2634: <dropdown variable="REUSE_OLD_CODES">
2635: $namechoice
2636: </dropdown>
2637: <message></td></tr></table></message>
2638: </state>
2639: $resource_selector
2640: CHOOSE_ANON1
2641:
2642:
2643: if ($helper->{VARS}->{'assignment'}) {
2644: push @{$printChoices}, [&mt("Selected <b>Resources</b> from folder <b><i>[_1]</i></b> for <b>selected people</b>",$sequenceTitle), 'resources_for_students', 'CHOOSE_STUDENTS1'];
2645: push @{$printChoices}, [&mt("Selected <b>Resources</b> from folder <b><i>[_1]</i></b> for <b>CODEd assignments</b>",$sequenceTitle), 'resources_for_anon', 'CHOOSE_ANON2'];
2646: }
2647:
2648:
2649: $resource_selector=<<RESOURCE_SELECTOR;
2650: <state name="SELECT_RESOURCES" title="Select Resources">
2651: <nextstate>PRINT_FORMATTING</nextstate>
2652: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2653: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2654: closeallpages="1">
2655: <filterfunc>return $isNotMap;</filterfunc>
2656: <mapurl>$map</mapurl>
2657: <valuefunc>return $symbFilter;</valuefunc>
2658: $start_new_option
2659: </resource>
2660: </state>
2661: <state name="PRINT_FORMATTING" title="Format of the print job">
2662: <nextstate>NUMBER_PER_PDF</nextstate>
2663: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2664: <choices variable="EMPTY_PAGES">
2665: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2666: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2667: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2668: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2669: </choices>
2670: <nextstate>PAGESIZE</nextstate>
2671: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2672: <choices variable="SPLIT_PDFS">
2673: <choice computer="all">All assignments in a single PDF file</choice>
2674: <choice computer="sections">Each PDF contains exactly one section</choice>
2675: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2676: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2677: Specify the number of assignments per PDF:</choice>
2678: </choices>
2679: </state>
2680: RESOURCE_SELECTOR
2681:
2682: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2683: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2684: <choices variable='student_sort'>
2685: <choice computer='0'>Sort by section then student</choice>
2686: <choice computer='1'>Sort by students across sections.</choice>
2687: </choices>
2688: <message><br /><hr /><br /></message>
2689: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
2690:
2691: </state>
2692: $resource_selector
2693: CHOOSE_STUDENTS1
2694:
2695: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2696: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
2697: <nextstate>SELECT_RESOURCES</nextstate>
2698: <message><h4>Fill out one of the forms below</h4></message>
2699: <message><br /><hr /> <br /></message>
2700: <message><h3>Generate new CODEd Assignments</h3></message>
2701: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2702: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2703: <validator>
2704: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2705: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2706: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2707: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2708: return "You need to specify the number of assignments to print";
2709: }
2710: return undef;
2711: </validator>
2712: </string>
2713: <message></td></tr><tr><td></message>
2714: <message><b>Names to store the CODEs under for later:</b></message>
2715: <message></td><td></message>
2716: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2717: <message></td></tr><tr><td></message>
2718: <message><b>Bubble sheet type:</b></message>
2719: <message></td><td></message>
2720: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2721: $codechoice
2722: </dropdown>
2723: <message></td></tr><tr><td></table></message>
2724: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2725: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2726: <string variable="SINGLE_CODE" size="10">
2727: <validator>
2728: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2729: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2730: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2731: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2732: \$helper->{'VARS'}{'CODE_OPTION'});
2733: } else {
2734: return undef; # Other forces control us.
2735: }
2736: </validator>
2737: </string>
2738: <message></td></tr><tr><td></message>
2739: $code_selection
2740: <message></td></tr></table></message>
2741: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2742: <message><b>Select saved CODEs:</b></message>
2743: <message></td><td></message>
2744: <dropdown variable="REUSE_OLD_CODES">
2745: $namechoice
2746: </dropdown>
2747: <message></td></tr></table></message>
2748: </state>
2749: $resource_selector
2750: CHOOSE_ANON2
2751: }
2752:
2753: # FIXME: That RE should come from a library somewhere.
2754: if (($perm{'pav'}
2755: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
2756: && (defined($helper->{'VARS'}->{'construction'})
2757: ||
2758: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
2759: &&
2760: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
2761: ))
2762: && $helper->{VARS}->{'assignment'} eq ""
2763: ) {
2764:
2765: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
2766: push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$pretty_dir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2767: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2768: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
2769:
2770: <files variable="FILES" multichoice='1'>
2771: <nextstate>PAGESIZE</nextstate>
2772: <filechoice>return '$subdir';</filechoice>
2773: CHOOSE_FROM_SUBDIR
2774:
2775: # this is broken up because I really want interpolation above,
2776: # and I really DON'T want it below
2777: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2778: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2779: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2780: </filefilter>
2781: </files>
2782: </state>
2783: CHOOSE_FROM_SUBDIR
2784: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2785: }
2786:
2787: # Allow the user to select any sequence in the course, feed it to
2788: # another resource selector for that sequence
2789: if (!$helper->{VARS}->{'construction'} && !$is_published) {
2790: push @$printChoices, ["Selected <b>Resources</b> from <b>selected folder</b> in course",
2791: 'select_sequences', 'CHOOSE_SEQUENCE'];
2792: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2793: #Escape apostrophes and backslashes for Perl
2794: $escapedSequenceName =~ s/\\/\\\\/g;
2795: $escapedSequenceName =~ s/'/\\'/g;
2796: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2797: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2798: <message>Select the sequence to print resources from:</message>
2799: <resource variable="SEQUENCE">
2800: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2801: <filterfunc>return \$res->is_sequence;</filterfunc>
2802: <valuefunc>return $urlValue;</valuefunc>
2803: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2804: </choicefunc>
2805: </resource>
2806: </state>
2807: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2808: <message>(mark desired resources then click "next" button) <br /></message>
2809: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2810: closeallpages="1">
2811: <nextstate>PAGESIZE</nextstate>
2812: <filterfunc>return $isNotMap</filterfunc>
2813: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2814: <valuefunc>return $symbFilter;</valuefunc>
2815: $start_new_option
2816: </resource>
2817: </state>
2818: CHOOSE_FROM_ANY_SEQUENCE
2819: }
2820:
2821: # Generate the first state, to select which resources get printed.
2822: Apache::lonhelper::state->new("START", "Select Printing Options:");
2823: $paramHash = Apache::lonhelper::getParamHash();
2824: $paramHash->{MESSAGE_TEXT} = "";
2825: Apache::lonhelper::message->new();
2826: $paramHash = Apache::lonhelper::getParamHash();
2827: $paramHash->{'variable'} = 'PRINT_TYPE';
2828: $paramHash->{CHOICES} = $printChoices;
2829: Apache::lonhelper::choices->new();
2830:
2831: my $startedTable = 0; # have we started an HTML table yet? (need
2832: # to close it later)
2833:
2834: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2835: ($helper->{VARS}->{'construction'} eq '1')) {
2836: addMessage("<hr width='33%' /><table><tr><td align='right'>".
2837: '<label for="ANSWER_TYPE_forminput">'.
2838: &mt('Print').
2839: "</label>: </td><td>");
2840: $paramHash = Apache::lonhelper::getParamHash();
2841: $paramHash->{'variable'} = 'ANSWER_TYPE';
2842: $helper->declareVar('ANSWER_TYPE');
2843: $paramHash->{CHOICES} = [
2844: ['Without Answers', 'yes'],
2845: ['With Answers', 'no'],
2846: ['Only Answers', 'only']
2847: ];
2848: Apache::lonhelper::dropdown->new();
2849: addMessage("</td></tr>");
2850: $startedTable = 1;
2851: }
2852:
2853: if ($perm{'pav'}) {
2854: if (!$startedTable) {
2855: addMessage("<hr width='33%' /><table><tr><td align='right'>".
2856: '<label for="LATEX_TYPE_forminput">'.
2857: &mt('LaTeX mode').
2858: "</label>: </td><td>");
2859: $startedTable = 1;
2860: } else {
2861: addMessage("<tr><td align='right'>".
2862: '<label for="LATEX_TYPE_forminput">'.
2863: &mt('LaTeX mode').
2864: "</label>: </td><td>");
2865: }
2866: $paramHash = Apache::lonhelper::getParamHash();
2867: $paramHash->{'variable'} = 'LATEX_TYPE';
2868: $helper->declareVar('LATEX_TYPE');
2869: if ($helper->{VARS}->{'construction'} eq '1') {
2870: $paramHash->{CHOICES} = [
2871: ['standard LaTeX mode', 'standard'],
2872: ['LaTeX batchmode', 'batchmode'], ];
2873: } else {
2874: $paramHash->{CHOICES} = [
2875: ['LaTeX batchmode', 'batchmode'],
2876: ['standard LaTeX mode', 'standard'] ];
2877: }
2878: Apache::lonhelper::dropdown->new();
2879:
2880: addMessage("</td></tr><tr><td align='right'>".
2881: '<label="TABLE_CONTENTS_forminput">'.
2882: &mt('Print Table of Contents').
2883: "</label>: </td><td>");
2884: $paramHash = Apache::lonhelper::getParamHash();
2885: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2886: $helper->declareVar('TABLE_CONTENTS');
2887: $paramHash->{CHOICES} = [
2888: ['No', 'no'],
2889: ['Yes', 'yes'] ];
2890: Apache::lonhelper::dropdown->new();
2891: addMessage("</td></tr>");
2892:
2893: if (not $helper->{VARS}->{'construction'}) {
2894: addMessage("<tr><td align='right'>".
2895: '<label for="TABLE_INDEX_forminput">'.
2896: &mt('Print Index').
2897: "</label>: </td><td>");
2898: $paramHash = Apache::lonhelper::getParamHash();
2899: $paramHash->{'variable'} = 'TABLE_INDEX';
2900: $helper->declareVar('TABLE_INDEX');
2901: $paramHash->{CHOICES} = [
2902: ['No', 'no'],
2903: ['Yes', 'yes'] ];
2904: Apache::lonhelper::dropdown->new();
2905: addMessage("</td></tr>");
2906: addMessage("<tr><td align='right'>".
2907: '<label for="PRINT_DISCUSSIONS_forminput">'.
2908: &mt('Print Discussions').
2909: "</label>: </td><td>");
2910: $paramHash = Apache::lonhelper::getParamHash();
2911: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2912: $helper->declareVar('PRINT_DISCUSSIONS');
2913: $paramHash->{CHOICES} = [
2914: ['No', 'no'],
2915: ['Yes', 'yes'] ];
2916: Apache::lonhelper::dropdown->new();
2917: addMessage("</td></tr>");
2918:
2919: addMessage("<tr><td align = 'right'> </td><td>");
2920: $paramHash = Apache::lonhelper::getParamHash();
2921: $paramHash->{'multichoice'} = "true";
2922: $paramHash->{'allowempty'} = "true";
2923: $paramHash->{'variable'} = "showallfoils";
2924: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2925: Apache::lonhelper::choices->new();
2926: addMessage("</td></tr>");
2927: }
2928:
2929: if ($helper->{'VARS'}->{'construction'}) {
2930: my $stylevalue=$env{'construct.style'};
2931: my $randseedtext=&mt("Use random seed");
2932: my $stylefiletext=&mt("Use style file");
2933:
2934: my $xmlfrag .= <<"RNDSEED";
2935: <message><tr><td align='right'>
2936: <label for="curseed_forminput">$randseedtext</label>:
2937: </td><td></message>
2938: <string variable="curseed" size="15" maxlength="15">
2939: <defaultvalue>
2940: return $helper->{VARS}->{'curseed'};
2941: </defaultvalue>
2942: </string>
2943: <message></td></tr><tr><td align="right">
2944: <label for="style_file_value">$stylefiletext</label>:
2945: </td><td></message>
2946: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
2947: <choices allowempty="1" multichoice="true" variable="showallfoils">
2948: <choice computer="1">Show all foils?</choice>
2949: </choices>
2950: <message></td></tr></message>
2951: RNDSEED
2952: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2953: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2954:
2955: }
2956: }
2957:
2958:
2959:
2960:
2961: if ($startedTable) {
2962: addMessage("</table>");
2963: }
2964:
2965: Apache::lonprintout::page_format_state->new("FORMAT");
2966:
2967: # Generate the PAGESIZE state which will offer the user the margin
2968: # choices if they select one column
2969: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2970: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2971:
2972:
2973: $helper->process();
2974:
2975:
2976: # MANUAL BAILOUT CONDITION:
2977: # If we're in the "final" state, bailout and return to handler
2978: if ($helper->{STATE} eq 'FINAL') {
2979: return $helper;
2980: }
2981:
2982: $r->print($helper->display());
2983: if ($helper->{STATE} eq 'START') {
2984: &recently_generated($r);
2985: }
2986: &Apache::lonhelper::unregisterHelperTags();
2987:
2988: return OK;
2989: }
2990:
2991:
2992: 1;
2993:
2994: package Apache::lonprintout::page_format_state;
2995:
2996: =pod
2997:
2998: =head1 Helper element: page_format_state
2999:
3000: See lonhelper.pm documentation for discussion of the helper framework.
3001:
3002: Apache::lonprintout::page_format_state is an element that gives the
3003: user an opportunity to select the page layout they wish to print
3004: with: Number of columns, portrait/landscape, and paper size. If you
3005: want to change the paper size choices, change the @paperSize array
3006: contents in this package.
3007:
3008: page_format_state is always directly invoked in lonprintout.pm, so there
3009: is no tag interface. You actually pass parameters to the constructor.
3010:
3011: =over 4
3012:
3013: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
3014:
3015: =back
3016:
3017: =cut
3018:
3019: use Apache::lonhelper;
3020:
3021: no strict;
3022: @ISA = ("Apache::lonhelper::element");
3023: use strict;
3024: use Apache::lonlocal;
3025: use Apache::lonnet;
3026:
3027: my $maxColumns = 2;
3028: # it'd be nice if these all worked
3029: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
3030: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
3031: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
3032: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
3033: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
3034: "a4 [210x297 mm]");
3035:
3036: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
3037: # Paper type
3038:
3039: sub new {
3040: my $self = Apache::lonhelper::element->new();
3041:
3042: shift;
3043:
3044: $self->{'variable'} = shift;
3045: my $helper = Apache::lonhelper::getHelper();
3046: $helper->declareVar($self->{'variable'});
3047: bless($self);
3048: return $self;
3049: }
3050:
3051: sub render {
3052: my $self = shift;
3053: my $helper = Apache::lonhelper::getHelper();
3054: my $result = '';
3055: my $var = $self->{'variable'};
3056: my $PageLayout=&mt('Page layout');
3057: my $NumberOfColumns=&mt('Number of columns');
3058: my $PaperType=&mt('Paper type');
3059: $result .= <<STATEHTML;
3060:
3061: <hr width="33%" />
3062: <table cellpadding="3">
3063: <tr>
3064: <td align="center"><b>$PageLayout</b></td>
3065: <td align="center"><b>$NumberOfColumns</b></td>
3066: <td align="center"><b>$PaperType</b></td>
3067: </tr>
3068: <tr>
3069: <td>
3070: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
3071: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
3072: </td>
3073: <td align="center">
3074: <select name="${var}.cols">
3075: STATEHTML
3076:
3077: my $i;
3078: for ($i = 1; $i <= $maxColumns; $i++) {
3079: if ($i == 2) {
3080: $result .= "<option value='$i' selected>$i</option>\n";
3081: } else {
3082: $result .= "<option value='$i'>$i</option>\n";
3083: }
3084: }
3085:
3086: $result .= "</select></td><td>\n";
3087: $result .= "<select name='${var}.paper'>\n";
3088:
3089: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3090: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
3091: $DefaultPaperSize=~s/\s//g;
3092: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
3093: $i = 0;
3094: foreach (@paperSize) {
3095: $_=~/(\w+)/;
3096: my $papersize=$1;
3097: if ($paperSize[$i]=~/$DefaultPaperSize/) {
3098: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
3099: } else {
3100: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
3101: }
3102: $i++;
3103: }
3104: $result .= "</select></td></tr></table>";
3105: return $result;
3106: }
3107:
3108: sub postprocess {
3109: my $self = shift;
3110:
3111: my $var = $self->{'variable'};
3112: my $helper = Apache::lonhelper->getHelper();
3113: $helper->{VARS}->{$var} =
3114: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
3115: $env{"form.$var.paper"};
3116: return 1;
3117: }
3118:
3119: 1;
3120:
3121: package Apache::lonprintout::page_size_state;
3122:
3123: =pod
3124:
3125: =head1 Helper element: page_size_state
3126:
3127: See lonhelper.pm documentation for discussion of the helper framework.
3128:
3129: Apache::lonprintout::page_size_state is an element that gives the
3130: user the opportunity to further refine the page settings if they
3131: select a single-column page.
3132:
3133: page_size_state is always directly invoked in lonprintout.pm, so there
3134: is no tag interface. You actually pass parameters to the constructor.
3135:
3136: =over 4
3137:
3138: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
3139:
3140: =back
3141:
3142: =cut
3143:
3144: use Apache::lonhelper;
3145: use Apache::lonnet;
3146: no strict;
3147: @ISA = ("Apache::lonhelper::element");
3148: use strict;
3149:
3150:
3151:
3152: sub new {
3153: my $self = Apache::lonhelper::element->new();
3154:
3155: shift; # disturbs me (probably prevents subclassing) but works (drops
3156: # package descriptor)... - Jeremy
3157:
3158: $self->{'variable'} = shift;
3159: my $helper = Apache::lonhelper::getHelper();
3160: $helper->declareVar($self->{'variable'});
3161:
3162: # The variable name of the format element, so we can look into
3163: # $helper->{VARS} to figure out whether the columns are one or two
3164: $self->{'formatvar'} = shift;
3165:
3166:
3167: $self->{NEXTSTATE} = shift;
3168: bless($self);
3169:
3170: return $self;
3171: }
3172:
3173: sub render {
3174: my $self = shift;
3175: my $helper = Apache::lonhelper::getHelper();
3176: my $result = '';
3177: my $var = $self->{'variable'};
3178:
3179:
3180:
3181: if (defined $self->{ERROR_MSG}) {
3182: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
3183: }
3184:
3185: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3186:
3187: # Use format to get sensible defaults for the margins:
3188:
3189:
3190: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3191: ($papersize) = split(/ /, $papersize);
3192:
3193:
3194: if ($laystyle eq 'L') {
3195: $laystyle = 'album';
3196: } else {
3197: $laystyle = 'book';
3198: }
3199:
3200:
3201: my %size;
3202: ($size{'width_and_units'},
3203: $size{'height_and_units'},
3204: $size{'margin_and_units'})=
3205: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3206:
3207: foreach my $dimension ('width','height','margin') {
3208: ($size{$dimension},$size{$dimension.'_unit'}) =
3209: split(/ +/, $size{$dimension.'_and_units'},2);
3210:
3211: foreach my $unit ('cm','in') {
3212: $size{$dimension.'_options'} .= '<option ';
3213: if ($size{$dimension.'_unit'} eq $unit) {
3214: $size{$dimension.'_options'} .= 'selected="selected" ';
3215: }
3216: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
3217: }
3218: }
3219:
3220: # Adjust margin for LaTeX margin: .. requires units == cm or in.
3221:
3222: if ($size{'margin_unit'} eq 'in') {
3223: $size{'margin'} += 1;
3224: } else {
3225: $size{'margin'} += 2.54;
3226: }
3227: $result .= <<ELEMENTHTML;
3228:
3229:
3230:
3231: <p>How should each column be formatted?</p>
3232:
3233: <table cellpadding='3'>
3234: <tr>
3235: <td align='right'><b>Width</b>:</td>
3236: <td align='left'><input type='text' name='$var.width' value="$size{'width'}" size='4' /></td>
3237: <td align='left'>
3238: <select name='$var.widthunit'>
3239: $size{'width_options'}
3240: </select>
3241: </td>
3242: </tr>
3243: <tr>
3244: <td align='right'><b>Height</b>:</td>
3245: <td align='left'><input type='text' name="$var.height" value="$size{'height'}" size='4' /></td>
3246: <td align='left'>
3247: <select name='$var.heightunit'>
3248: $size{'height_options'}
3249: </select>
3250: </td>
3251: </tr>
3252: <tr>
3253: <td align='right'><b>Left margin</b>:</td>
3254: <td align='left'><input type='text' name='$var.lmargin' value="$size{'margin'}" size='4' /></td>
3255: <td align='left'>
3256: <select name='$var.lmarginunit'>
3257: $size{'margin_options'}
3258: </select>
3259: </td>
3260: </tr>
3261: </table>
3262:
3263: <!--<p>Hint: Some instructors like to leave scratch space for the student by
3264: making the width much smaller than the width of the page.</p>-->
3265:
3266: ELEMENTHTML
3267:
3268: return $result;
3269: }
3270:
3271:
3272: sub preprocess {
3273: my $self = shift;
3274: my $helper = Apache::lonhelper::getHelper();
3275:
3276: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3277:
3278: # If the user does not have 'pav' privilege, set default widths and
3279: # on to the next state right away.
3280: #
3281: if (!$perm{'pav'}) {
3282: my $var = $self->{'variable'};
3283: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3284:
3285: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3286: ($papersize) = split(/ /, $papersize);
3287:
3288:
3289: if ($laystyle eq 'L') {
3290: $laystyle = 'album';
3291: } else {
3292: $laystyle = 'book';
3293: }
3294: # Figure out some good defaults for the print out and set them:
3295:
3296: my %size;
3297: ($size{'width'},
3298: $size{'height'},
3299: $size{'lmargin'})=
3300: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3301:
3302: foreach my $dim ('width', 'height', 'lmargin') {
3303: my ($value, $units) = split(/ /, $size{$dim});
3304:
3305: $helper->{VARS}->{"$var.".$dim} = $value;
3306: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
3307:
3308: }
3309:
3310:
3311: # Transition to the next state
3312:
3313: $helper->changeState($self->{NEXTSTATE});
3314: }
3315:
3316: return 1;
3317: }
3318:
3319: sub postprocess {
3320: my $self = shift;
3321:
3322: my $var = $self->{'variable'};
3323: my $helper = Apache::lonhelper->getHelper();
3324: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
3325: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
3326: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
3327: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
3328: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
3329: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
3330:
3331: my $error = '';
3332:
3333: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
3334: # by an optional period, followed by digits, ending the string
3335:
3336: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3337: $error .= "Invalid width; please type only a number.<br />\n";
3338: }
3339: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3340: $error .= "Invalid height; please type only a number.<br />\n";
3341: }
3342: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3343: $error .= "Invalid left margin; please type only a number.<br />\n";
3344: } else {
3345: # Adjust for LaTeX 1.0 inch margin:
3346:
3347: if ($env{"form.${var}.lmarginunit"} eq "in") {
3348: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
3349: } else {
3350: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
3351: }
3352: }
3353:
3354: if (!$error) {
3355: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
3356: return 1;
3357: } else {
3358: $self->{ERROR_MSG} = $error;
3359: return 0;
3360: }
3361: }
3362:
3363:
3364:
3365: __END__
3366:
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