1: #
2: # The LearningOnline Network
3: # Printout
4: #
5: # $Id: lonprintout.pm,v 1.496 2007/01/22 10:38:32 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 $resources_printed;
50:
51: #
52: # printf_style_subst item format_string repl
53: #
54: # Does printf style substitution for a format string that
55: # can have %[n]item in it.. wherever, %[n]item occurs,
56: # rep is substituted in format_string. Note that
57: # [n] is an optional integer length. If provided,
58: # repl is truncated to at most [n] characters prior to
59: # substitution.
60: #
61: sub printf_style_subst {
62: my ($item, $format_string, $repl) = @_;
63: my $result = "";
64: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
65: my $fmt = $1;
66: my $size = $2;
67: my $subst = $repl;
68: if ($size ne "") {
69: $subst = substr($subst, 0, $size);
70:
71: # Here's a nice edge case.. supose the end of the
72: # substring is a \. In that case may have just
73: # chopped off a TeX escape... in that case, we append
74: # " " for the trailing character, and let the field
75: # spill over a bit (sigh).
76: # We don't just chop off the last character in order to deal
77: # with one last pathology, and that would be if substr had
78: # trimmed us to e.g. \\\
79:
80:
81: if ($subst =~ /\\$/) {
82: $subst .= " ";
83: }
84: }
85: my $item_pos = pos($format_string);
86: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
87: $format_string = substr($format_string, pos($format_string));
88: }
89:
90: # Put the residual format string into the result:
91:
92: $result .= $format_string;
93:
94: return $result;
95: }
96:
97:
98: # Format a header according to a format.
99: #
100:
101: # Substitutions:
102: # %a - Assignment name.
103: # %c - Course name.
104: # %n - Student name.
105: #
106: sub format_page_header {
107: my ($width, $format, $assignment, $course, $student) = @_;
108:
109: $width = &recalcto_mm($width); # Get width in mm.
110: # Default format?
111:
112: if ($format eq '') {
113: # For the default format, we may need to truncate
114: # elements.. To do this we need to get the page width.
115: # we assume that each character is about 2mm in width.
116: # (correct for the header text size??). We ignore
117: # any formatting (e.g. boldfacing in this).
118: #
119: # - Allow the student/course to be one line.
120: # but only truncate the course.
121: # - Allow the assignment to be 2 lines (wrapped).
122: #
123: my $chars_per_line = $width/2; # Character/textline.
124:
125:
126: my $firstline = "$student $course";
127: if (length($firstline) > $chars_per_line) {
128: my $lastchar = $chars_per_line - length($student) - 1;
129: if ($lastchar > 0) {
130: $course = substr($course, 0, $lastchar);
131: } else { # Nothing left of course:
132: $course = '';
133: }
134: }
135: if (length($assignment) > $chars_per_line) {
136: $assignment = substr($assignment, 0, $chars_per_line);
137: }
138:
139: $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
140:
141: } else {
142: # An open question is how to handle long user formatted page headers...
143: # A possible future is to support e.g. %na so that the user can control
144: # the truncation of the elements that can appear in the header.
145: #
146: $format = &printf_style_subst("a", $format, $assignment);
147: $format = &printf_style_subst("c", $format, $course);
148: $format = &printf_style_subst("n", $format, $student);
149:
150: # If the user put %'s in the format string, they must be escaped
151: # to \% else LaTeX will think they are comments and terminate
152: # the line.. which is bad!!!
153:
154:
155: }
156:
157:
158: return $format;
159:
160: }
161:
162: #
163: # Convert a numeric code to letters
164: #
165: sub num_to_letters {
166: my ($num) = @_;
167: my @nums= split('',$num);
168: my @num_to_let=('A'..'Z');
169: my $word;
170: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
171: return $word;
172: }
173: # Convert a letter code to numeric.
174: #
175: sub letters_to_num {
176: my ($letters) = @_;
177: my @letters = split('', uc($letters));
178: my %substitution;
179: my $digit = 0;
180: foreach my $letter ('A'..'J') {
181: $substitution{$letter} = $digit;
182: $digit++;
183: }
184: # The substitution is done as below to preserve leading
185: # zeroes which are needed to keep the code size exact
186: #
187: my $result ="";
188: foreach my $letter (@letters) {
189: $result.=$substitution{$letter};
190: }
191: return $result;
192: }
193:
194: # Determine if a code is a valid numeric code. Valid
195: # numeric codes must be comprised entirely of digits and
196: # have a correct number of digits.
197: #
198: # Parameters:
199: # value - proposed code value.
200: # num_digits - Number of digits required.
201: #
202: sub is_valid_numeric_code {
203: my ($value, $num_digits) = @_;
204: # Remove leading/trailing whitespace;
205: $value =~ s/^\s*//g;
206: $value =~ s/\s*$//g;
207:
208: # All digits?
209: if ($value !~ /^[0-9]+$/) {
210: return "Numeric code $value has invalid characters - must only be digits";
211: }
212: if (length($value) != $num_digits) {
213: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
214: }
215: return undef;
216: }
217: # Determines if a code is a valid alhpa code. Alpha codes
218: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
219: # They also have a correct digit count.
220: # Parameters:
221: # value - Proposed code value.
222: # num_letters - correct number of letters.
223: # Note:
224: # leading and trailing whitespace are ignored.
225: #
226: sub is_valid_alpha_code {
227: my ($value, $num_letters) = @_;
228:
229: # strip leading and trailing spaces.
230:
231: $value =~ s/^\s*//g;
232: $value =~ s/\s*$//g;
233:
234: # All alphas in the right range?
235: if ($value !~ /^[A-J,a-j]+$/) {
236: return "Invalid letter code $value must only contain A-J";
237: }
238: if (length($value) != $num_letters) {
239: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
240: }
241: return undef;
242: }
243:
244: # Determine if a code entered by the user in a helper is valid.
245: # valid depends on the code type and the type of code selected.
246: # The type of code selected can either be numeric or
247: # Alphabetic. If alphabetic, the code, in fact is a simple
248: # substitution cipher for the actual numeric code: 0->A, 1->B ...
249: # We'll be nice and be case insensitive for alpha codes.
250: # Parameters:
251: # code_value - the value of the code the user typed in.
252: # code_option - The code type selected from the set in the scantron format
253: # table.
254: # Returns:
255: # undef - The code is valid.
256: # other - An error message indicating what's wrong.
257: #
258: sub is_code_valid {
259: my ($code_value, $code_option) = @_;
260: my ($code_type, $code_length) = ('letter', 6); # defaults.
261: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
262: foreach my $line (<FG>) {
263: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
264: if($name eq $code_option) {
265: $code_length = $length;
266: if($type eq 'number') {
267: $code_type = 'number';
268: }
269: }
270: }
271: my $valid;
272: if ($code_type eq 'number') {
273: return &is_valid_numeric_code($code_value, $code_length);
274: } else {
275: return &is_valid_alpha_code($code_value, $code_length);
276: }
277:
278: }
279:
280: # Compare two students by name. The students are in the form
281: # returned by the helper:
282: # user:domain:section:last, first:status
283: # This is a helper function for the perl sort built-in therefore:
284: # Implicit Inputs:
285: # $a - The first element to compare (global)
286: # $b - The second element to compare (global)
287: # Returns:
288: # -1 - $a < $b
289: # 0 - $a == $b
290: # +1 - $a > $b
291: # Note that the initial comparison is done on the last names with the
292: # first names only used to break the tie.
293: #
294: #
295: sub compare_names {
296: # First split the names up into the primary fields.
297:
298: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
299: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
300:
301: # Now split the last name and first name of each n:
302: #
303:
304: my ($l1,$f1) = split(/,/, $n1);
305: my ($l2,$f2) = split(/,/, $n2);
306:
307: # We don't bother to remove the leading/trailing whitespace from the
308: # firstname, unless the last names compare identical.
309:
310: if($l1 lt $l2) {
311: return -1;
312: }
313: if($l1 gt $l2) {
314: return 1;
315: }
316:
317: # Break the tie on the first name, but there are leading (possibly trailing
318: # whitespaces to get rid of first
319: #
320: $f1 =~ s/^\s+//; # Remove leading...
321: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
322:
323: $f2 =~ s/^\s+//;
324: $f2 =~ s/\s+$//; # And the same for first 2...
325:
326: if($f1 lt $f2) {
327: return -1;
328: }
329: if($f1 gt $f2) {
330: return 1;
331: }
332:
333: # Must be the same name.
334:
335: return 0;
336: }
337:
338: sub latex_header_footer_remove {
339: my $text = shift;
340: $text =~ s/\\end{document}//;
341: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
342: return $text;
343: }
344: #
345: # If necessary, encapsulate text inside
346: # a minipage env.
347: # necessity is determined by the problem_split param.
348: #
349: sub encapsulate_minipage {
350: my ($text) = @_;
351: if (!($env{'form.problem.split'} =~ /yes/i)) {
352: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
353: }
354: return $text;
355: }
356: #
357: # The NUMBER_TO_PRINT and SPLIT_PDFS
358: # variables interact, this sub looks at these two parameters
359: # and comes up with a final value for NUMBER_TO_PRINT which can be:
360: # all - if SPLIT_PDFS eq 'all'.
361: # 1 - if SPLIT_PDFS eq 'oneper'
362: # section - if SPLIT_PDFS eq 'sections'
363: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
364: #
365: sub adjust_number_to_print {
366: my $helper = shift;
367:
368: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
369:
370: if ($split_pdf eq 'all') {
371: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
372: } elsif ($split_pdf eq 'oneper') {
373: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
374: } elsif ($split_pdf eq 'sections') {
375: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
376: } elsif ($split_pdf eq 'usenumber') {
377: # Unmodified.
378: } else {
379: # Error!!!!
380:
381: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
382: }
383: }
384:
385: sub character_chart {
386: my $result = shift;
387: $result =~ s/&\#0?0?(7|9);//g;
388: $result =~ s/&\#0?(10|13);//g;
389: $result =~ s/&\#0?32;/ /g;
390: $result =~ s/&\#0?33;/!/g;
391: $result =~ s/&(\#0?34|quot);/\"/g;
392: $result =~ s/&\#0?35;/\\\#/g;
393: $result =~ s/&\#0?36;/\\\$/g;
394: $result =~ s/&\#0?37;/\\%/g;
395: $result =~ s/&(\#0?38|amp);/\\&/g;
396: $result =~ s/&\#(0?39|146);/\'/g;
397: $result =~ s/&\#0?40;/(/g;
398: $result =~ s/&\#0?41;/)/g;
399: $result =~ s/&\#0?42;/\*/g;
400: $result =~ s/&\#0?43;/\+/g;
401: $result =~ s/&\#(0?44|130);/,/g;
402: $result =~ s/&\#0?45;/-/g;
403: $result =~ s/&\#0?46;/\./g;
404: $result =~ s/&\#0?47;/\//g;
405: $result =~ s/&\#0?48;/0/g;
406: $result =~ s/&\#0?49;/1/g;
407: $result =~ s/&\#0?50;/2/g;
408: $result =~ s/&\#0?51;/3/g;
409: $result =~ s/&\#0?52;/4/g;
410: $result =~ s/&\#0?53;/5/g;
411: $result =~ s/&\#0?54;/6/g;
412: $result =~ s/&\#0?55;/7/g;
413: $result =~ s/&\#0?56;/8/g;
414: $result =~ s/&\#0?57;/9/g;
415: $result =~ s/&\#0?58;/:/g;
416: $result =~ s/&\#0?59;/;/g;
417: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
418: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
419: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
420: $result =~ s/&\#0?63;/\?/g;
421: $result =~ s/&\#0?65;/A/g;
422: $result =~ s/&\#0?66;/B/g;
423: $result =~ s/&\#0?67;/C/g;
424: $result =~ s/&\#0?68;/D/g;
425: $result =~ s/&\#0?69;/E/g;
426: $result =~ s/&\#0?70;/F/g;
427: $result =~ s/&\#0?71;/G/g;
428: $result =~ s/&\#0?72;/H/g;
429: $result =~ s/&\#0?73;/I/g;
430: $result =~ s/&\#0?74;/J/g;
431: $result =~ s/&\#0?75;/K/g;
432: $result =~ s/&\#0?76;/L/g;
433: $result =~ s/&\#0?77;/M/g;
434: $result =~ s/&\#0?78;/N/g;
435: $result =~ s/&\#0?79;/O/g;
436: $result =~ s/&\#0?80;/P/g;
437: $result =~ s/&\#0?81;/Q/g;
438: $result =~ s/&\#0?82;/R/g;
439: $result =~ s/&\#0?83;/S/g;
440: $result =~ s/&\#0?84;/T/g;
441: $result =~ s/&\#0?85;/U/g;
442: $result =~ s/&\#0?86;/V/g;
443: $result =~ s/&\#0?87;/W/g;
444: $result =~ s/&\#0?88;/X/g;
445: $result =~ s/&\#0?89;/Y/g;
446: $result =~ s/&\#0?90;/Z/g;
447: $result =~ s/&\#0?91;/[/g;
448: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
449: $result =~ s/&\#0?93;/]/g;
450: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
451: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
452: $result =~ s/&\#(0?96|145);/\`/g;
453: $result =~ s/&\#0?97;/a/g;
454: $result =~ s/&\#0?98;/b/g;
455: $result =~ s/&\#0?99;/c/g;
456: $result =~ s/&\#100;/d/g;
457: $result =~ s/&\#101;/e/g;
458: $result =~ s/&\#102;/f/g;
459: $result =~ s/&\#103;/g/g;
460: $result =~ s/&\#104;/h/g;
461: $result =~ s/&\#105;/i/g;
462: $result =~ s/&\#106;/j/g;
463: $result =~ s/&\#107;/k/g;
464: $result =~ s/&\#108;/l/g;
465: $result =~ s/&\#109;/m/g;
466: $result =~ s/&\#110;/n/g;
467: $result =~ s/&\#111;/o/g;
468: $result =~ s/&\#112;/p/g;
469: $result =~ s/&\#113;/q/g;
470: $result =~ s/&\#114;/r/g;
471: $result =~ s/&\#115;/s/g;
472: $result =~ s/&\#116;/t/g;
473: $result =~ s/&\#117;/u/g;
474: $result =~ s/&\#118;/v/g;
475: $result =~ s/&\#119;/w/g;
476: $result =~ s/&\#120;/x/g;
477: $result =~ s/&\#121;/y/g;
478: $result =~ s/&\#122;/z/g;
479: $result =~ s/&\#123;/\\{/g;
480: $result =~ s/&\#124;/\|/g;
481: $result =~ s/&\#125;/\\}/g;
482: $result =~ s/&\#126;/\~/g;
483: $result =~ s/&\#131;/\\textflorin /g;
484: $result =~ s/&\#132;/\"/g;
485: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
486: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
487: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
488: $result =~ s/&\#137;/\\textperthousand /g;
489: $result =~ s/&\#140;/{\\OE}/g;
490: $result =~ s/&\#147;/\`\`/g;
491: $result =~ s/&\#148;/\'\'/g;
492: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
493: $result =~ s/&(\#150|\#8211);/--/g;
494: $result =~ s/&\#151;/---/g;
495: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
496: $result =~ s/&\#153;/\\texttrademark /g;
497: $result =~ s/&\#156;/\\oe/g;
498: $result =~ s/&\#159;/\\\"Y/g;
499: $result =~ s/&(\#160|nbsp);/~/g;
500: $result =~ s/&(\#161|iexcl);/!\`/g;
501: $result =~ s/&(\#162|cent);/\\textcent /g;
502: $result =~ s/&(\#163|pound);/\\pounds /g;
503: $result =~ s/&(\#164|curren);/\\textcurrency /g;
504: $result =~ s/&(\#165|yen);/\\textyen /g;
505: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
506: $result =~ s/&(\#167|sect);/\\textsection /g;
507: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
508: $result =~ s/&(\#169|copy);/\\copyright /g;
509: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
510: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
511: $result =~ s/&(\#173|shy);/ - /g;
512: $result =~ s/&(\#174|reg);/\\textregistered /g;
513: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
514: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
515: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
516: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
517: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
518: $result =~ s/&(\#180|acute);/\\textacute /g;
519: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
520: $result =~ s/&(\#182|para);/\\P/g;
521: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
522: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
523: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
524: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
525: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
526: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
527: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
528: $result =~ s/&(\#191|iquest);/?\`/g;
529: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
530: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
531: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
532: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
533: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
534: $result =~ s/&(\#197|Aring);/{\\AA}/g;
535: $result =~ s/&(\#198|AElig);/{\\AE}/g;
536: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
537: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
538: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
539: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
540: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
541: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
542: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
543: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
544: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
545: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
546: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
547: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
548: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
549: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
550: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
551: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
552: $result =~ s/&(\#216|Oslash);/{\\O}/g;
553: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
554: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
555: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
556: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
557: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
558: $result =~ s/&(\#223|szlig);/{\\ss}/g;
559: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
560: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
561: $result =~ s/&(\#226|acirc);/\\^{a}/g;
562: $result =~ s/&(\#227|atilde);/\\~{a}/g;
563: $result =~ s/&(\#228|auml);/\\\"{a}/g;
564: $result =~ s/&(\#229|aring);/{\\aa}/g;
565: $result =~ s/&(\#230|aelig);/{\\ae}/g;
566: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
567: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
568: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
569: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
570: $result =~ s/&(\#235|euml);/\\\"{e}/g;
571: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
572: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
573: $result =~ s/&(\#238|icirc);/\\^{i}/g;
574: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
575: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
576: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
577: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
578: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
579: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
580: $result =~ s/&(\#245|otilde);/\\~{o}/g;
581: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
582: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
583: $result =~ s/&(\#248|oslash);/{\\o}/g;
584: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
585: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
586: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
587: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
588: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
589: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
590: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
591: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
592: #Greek Alphabet
593: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
594: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
595: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
596: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
597: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
598: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
599: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
600: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
601: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
602: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
603: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
604: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
605: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
606: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
607: $result =~ s/&(omicron|\#959);/o/g;
608: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
609: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
610: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
611: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
612: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
613: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
614: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
615: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
616: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
617: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
618: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
619: $result =~ s/&(Alpha|\#913);/A/g;
620: $result =~ s/&(Beta|\#914);/B/g;
621: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
622: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
623: $result =~ s/&(Epsilon|\#917);/E/g;
624: $result =~ s/&(Zeta|\#918);/Z/g;
625: $result =~ s/&(Eta|\#919);/H/g;
626: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
627: $result =~ s/&(Iota|\#921);/I/g;
628: $result =~ s/&(Kappa|\#922);/K/g;
629: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
630: $result =~ s/&(Mu|\#924);/M/g;
631: $result =~ s/&(Nu|\#925);/N/g;
632: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
633: $result =~ s/&(Omicron|\#927);/O/g;
634: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
635: $result =~ s/&(Rho|\#929);/P/g;
636: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
637: $result =~ s/&(Tau|\#932);/T/g;
638: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
639: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
640: $result =~ s/&(Chi|\#935);/X/g;
641: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
642: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
643: #Arrows (extended HTML 4.01)
644: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
645: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
646: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
647: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
648: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
649: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
650: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
651: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
652: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
653: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
654: #Mathematical Operators (extended HTML 4.01)
655: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
656: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
657: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
658: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
659: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
660: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
661: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
662: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
663: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
664: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
665: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
666: $result =~ s/–/\\ensuremath\{-\}/g;
667: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
668: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
669: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
670: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
671: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
672: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
673: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
674: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
675: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
676: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
677: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
678: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
679: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
680: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
681: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
682: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
683: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
684: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
685: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
686: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
687: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
688: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
689: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
690: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
691: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
692: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
693: #Geometric Shapes (extended HTML 4.01)
694: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
695: #Miscellaneous Symbols (extended HTML 4.01)
696: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
697: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
698: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
699: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
700: # Chemically useful 'things' contributed by Hon Kie (bug 4652).
701: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
702: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
703: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
704: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
705: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
706: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
707: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
708: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
709: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
710: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
711: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
712: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
713: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
714: return $result;
715: }
716:
717:
718: #width, height, oddsidemargin, evensidemargin, topmargin
719: my %page_formats=
720: ('letter' => {
721: 'book' => {
722: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
723: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
724: },
725: 'album' => {
726: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'],
727: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
728: },
729: },
730: 'legal' => {
731: 'book' => {
732: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
733: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
734: },
735: 'album' => {
736: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
737: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
738: },
739: },
740: 'tabloid' => {
741: 'book' => {
742: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
743: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
744: },
745: 'album' => {
746: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
747: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
748: },
749: },
750: 'executive' => {
751: 'book' => {
752: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
753: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
754: },
755: 'album' => {
756: '1' => [],
757: '2' => []
758: },
759: },
760: 'a2' => {
761: 'book' => {
762: '1' => [],
763: '2' => []
764: },
765: 'album' => {
766: '1' => [],
767: '2' => []
768: },
769: },
770: 'a3' => {
771: 'book' => {
772: '1' => [],
773: '2' => []
774: },
775: 'album' => {
776: '1' => [],
777: '2' => []
778: },
779: },
780: 'a4' => {
781: 'book' => {
782: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
783: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
784: },
785: 'album' => {
786: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
787: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
788: },
789: },
790: 'a5' => {
791: 'book' => {
792: '1' => [],
793: '2' => []
794: },
795: 'album' => {
796: '1' => [],
797: '2' => []
798: },
799: },
800: 'a6' => {
801: 'book' => {
802: '1' => [],
803: '2' => []
804: },
805: 'album' => {
806: '1' => [],
807: '2' => []
808: },
809: },
810: );
811:
812: sub page_format {
813: #
814: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
815: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
816: # "A2 [420x594 mm]", "A3 [297x420 mm]",
817: # "A4 [210x297 mm]", "A5 [148x210 mm]",
818: # "A6 [105x148 mm]"
819: #
820: my ($papersize,$layout,$numberofcolumns) = @_;
821: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
822: }
823:
824:
825: sub get_name {
826: my ($uname,$udom)=@_;
827: if (!defined($uname)) { $uname=$env{'user.name'}; }
828: if (!defined($udom)) { $udom=$env{'user.domain'}; }
829: my $plainname=&Apache::loncommon::plainname($uname,$udom);
830: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
831: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
832: return $plainname;
833: }
834:
835: sub get_course {
836: my $courseidinfo;
837: if (defined($env{'request.course.id'})) {
838: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
839: }
840: return $courseidinfo;
841: }
842:
843: sub page_format_transformation {
844: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
845: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
846:
847: if ($selectionmade eq '4') {
848: $assignment='Problems from the Whole Course';
849: } else {
850: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
851: }
852: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
853:
854:
855: my $name = &get_name();
856: my $courseidinfo = &get_course();
857: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
858: my $header_text = $parmhash{'print_header_format'};
859: $header_text = &format_page_header($textwidth, $header_text, $assignment,
860: $courseidinfo, $name);
861: my $topmargintoinsert = '';
862: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
863: my $fancypagestatement='';
864: if ($numberofcolumns eq '2') {
865: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
866: } else {
867: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
868: }
869: if ($layout eq 'album') {
870: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
871: } elsif ($layout eq 'book') {
872: if ($choice ne 'All class print') {
873: $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/;
874: } else {
875: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
876: }
877: if ($papersize eq 'a4') {
878: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
879: }
880: }
881: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
882: if ($indexlist eq 'yes') {
883: $text=~s/(\\begin{document})/\\makeindex $1/;
884: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
885: }
886: return $text;
887: }
888:
889:
890: sub page_cleanup {
891: my $result = shift;
892:
893: $result =~ m/\\end{document}(\d*)$/;
894: my $number_of_columns = $1;
895: my $insert = '{';
896: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
897: $insert .= '}';
898: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
899: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
900: return $result,$number_of_columns;
901: }
902:
903:
904: sub details_for_menu {
905: my ($helper)=@_;
906: my $postdata=$env{'form.postdata'};
907: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
908: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
909: my $symbolic = &Apache::lonnet::symbread($postdata);
910: return if ( $symbolic eq '');
911:
912: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
913: $map=&Apache::lonnet::clutter($map);
914: my $name_of_sequence = &Apache::lonnet::gettitle($map);
915: if ($name_of_sequence =~ /^\s*$/) {
916: $map =~ m|([^/]+)$|;
917: $name_of_sequence = $1;
918: }
919: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
920: if ($name_of_map =~ /^\s*$/) {
921: $env{'request.course.uri'} =~ m|([^/]+)$|;
922: $name_of_map = $1;
923: }
924: return ($name_of_resource,$name_of_sequence,$name_of_map);
925: }
926:
927: sub copyright_line {
928: 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 } ';
929: }
930: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
931:
932: sub latex_corrections {
933: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
934: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
935: my $copyright = ©right_line();
936: if ($selectionmade eq '1' || $answer_mode eq 'only') {
937: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
938: } else {
939: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
940: }
941: $result =~ s/\$number_of_columns/$number_of_columns/g;
942: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
943: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
944: #-- LaTeX corrections
945: my $first_comment = index($result,'<!--',0);
946: while ($first_comment != -1) {
947: my $end_comment = index($result,'-->',$first_comment);
948: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
949: $first_comment = index($result,'<!--',$first_comment);
950: }
951: $result =~ s/^\s+$//gm; #remove empty lines
952: #removes more than one empty space
953: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
954: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
955: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
956: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
957: $result =~ s/\\\\\s+\[/ \[/g;
958: #conversion of html characters to LaTeX equivalents
959: if ($result =~ m/&(\w+|#\d+);/) {
960: $result = &character_chart($result);
961: }
962: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
963: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
964: return $result;
965: }
966:
967:
968: sub index_table {
969: my $currentURL = shift;
970: my $insex_string='';
971: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
972: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
973: return $insex_string;
974: }
975:
976:
977: sub IndexCreation {
978: my ($texversion,$currentURL)=@_;
979: my @key_words=split(/,/,&index_table($currentURL));
980: my $chunk='';
981: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
982: if ($st>0) {
983: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
984: $chunk=substr($texversion,0,$st+1);
985: substr($texversion,0,$st+1)=' ';
986: }
987: foreach my $key_word (@key_words) {
988: if ($key_word=~/\S+/) {
989: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
990: }
991: }
992: if ($st>0) {substr($texversion,0,1)=$chunk;}
993: return $texversion;
994: }
995:
996: sub print_latex_header {
997: my $mode=shift;
998: my $output='\documentclass[letterpaper,twoside]{article}\raggedbottom';
999: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
1000: $output.='\batchmode';
1001: }
1002: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
1003: '\usepackage{multirow}'."\n".
1004: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
1005: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
1006: '\usepackage{wrapfig}'.
1007: '\usepackage{picins}\usepackage{calc}'."\n".
1008: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
1009: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
1010: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
1011: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
1012: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
1013: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
1014: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
1015: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
1016: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
1017: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
1018: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
1019: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
1020: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1021: return $output;
1022: }
1023:
1024: sub path_to_problem {
1025: my ($urlp,$colwidth)=@_;
1026: $urlp=&Apache::lonnet::clutter($urlp);
1027:
1028: my $newurlp = '';
1029: $colwidth=~s/\s*mm\s*$//;
1030: #characters average about 2 mm in width
1031: if (length($urlp)*2 > $colwidth) {
1032: my @elements = split('/',$urlp);
1033: my $curlength=0;
1034: foreach my $element (@elements) {
1035: if ($element eq '') { next; }
1036: if ($curlength+(length($element)*2) > $colwidth) {
1037: $newurlp .= '|\vskip -1 mm \verb|';
1038: $curlength=length($element)*2;
1039: } else {
1040: $curlength+=length($element)*2;
1041: }
1042: $newurlp.='/'.$element;
1043: }
1044: } else {
1045: $newurlp=$urlp;
1046: }
1047: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
1048: }
1049:
1050: sub recalcto_mm {
1051: my $textwidth=shift;
1052: my $LaTeXwidth;
1053: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1054: $LaTeXwidth = $1*10;
1055: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1056: $LaTeXwidth = $1;
1057: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1058: $LaTeXwidth = $1*25.4;
1059: }
1060: $LaTeXwidth.=' mm';
1061: return $LaTeXwidth;
1062: }
1063:
1064: sub get_textwidth {
1065: my ($helper,$LaTeXwidth)=@_;
1066: my $textwidth=$LaTeXwidth;
1067: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
1068: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1069: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
1070: $helper->{'VARS'}->{'pagesize.widthunit'});
1071: }
1072: return $textwidth;
1073: }
1074:
1075:
1076: sub unsupported {
1077: my ($currentURL,$mode,$symb)=@_;
1078: if ($mode ne '') {$mode='\\'.$mode}
1079: my $result.= &print_latex_header($mode);
1080: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
1081: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
1082: my $title=&Apache::lonnet::gettitle($symb);
1083: $title = &Apache::lonxml::latex_special_symbols($title);
1084: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1085: } else {
1086: $result.=$currentURL;
1087: }
1088: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1089: return $result;
1090: }
1091:
1092:
1093: #
1094: # List of recently generated print files
1095: #
1096: sub recently_generated {
1097: my $r=shift;
1098: my $prtspool=$r->dir_config('lonPrtDir');
1099: my $zip_result;
1100: my $pdf_result;
1101: opendir(DIR,$prtspool);
1102:
1103: my @files =
1104: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1105: closedir(DIR);
1106:
1107: @files = sort {
1108: my ($actime) = (stat($prtspool.'/'.$a))[10];
1109: my ($bctime) = (stat($prtspool.'/'.$b))[10];
1110: return $bctime <=> $actime;
1111: } (@files);
1112:
1113: foreach my $filename (@files) {
1114: my ($ext) = ($filename =~ m/(pdf|zip)$/);
1115: my ($cdev,$cino,$cmode,$cnlink,
1116: $cuid,$cgid,$crdev,$csize,
1117: $catime,$cmtime,$cctime,
1118: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1119: my $result="<a href='/prtspool/$filename'>".
1120: &mt('Generated [_1] ([_2] bytes)',
1121: &Apache::lonlocal::locallocaltime($cctime),$csize).
1122: '</a><br />';
1123: if ($ext eq 'pdf') { $pdf_result .= $result; }
1124: if ($ext eq 'zip') { $zip_result .= $result; }
1125: }
1126: if ($zip_result) {
1127: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
1128: .$zip_result);
1129: }
1130: if ($pdf_result) {
1131: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
1132: .$pdf_result);
1133: }
1134: }
1135:
1136: #
1137: # Retrieve the hash of page breaks.
1138: #
1139: # Inputs:
1140: # helper - reference to helper object.
1141: # Outputs
1142: # A reference to a page break hash.
1143: #
1144: #
1145: #use Data::Dumper;
1146: #sub dump_helper_vars {
1147: # my ($helper) = @_;
1148: # my $helpervars = Dumper($helper->{'VARS'});
1149: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
1150: #}
1151:
1152: sub get_page_breaks {
1153: my ($helper) = @_;
1154: my %page_breaks;
1155:
1156: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1157: $page_breaks{$break} = 1;
1158: }
1159: return %page_breaks;
1160: }
1161:
1162: # Output a sequence (recursively if neeed)
1163: # from construction space.
1164: # Parameters:
1165: # url = URL of the sequence to print.
1166: # helper - Reference to the helper hash.
1167: # form - Copy of the format hash.
1168: # LaTeXWidth
1169: # Returns:
1170: # Text to add to the printout.
1171: # NOTE if the first element of the outermost sequence
1172: # is itself a sequence, the outermost caller may need to
1173: # prefix the latex with the page headers stuff.
1174: #
1175: sub print_construction_sequence {
1176: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1177: my $result;
1178: my $rndseed=time;
1179: if ($helper->{'VARS'}->{'curseed'}) {
1180: $rndseed=$helper->{'VARS'}->{'curseed'};
1181: }
1182: my $errtext=&LONCAPA::map::mapread($currentURL);
1183: #
1184: # These make this all support recursing for subsequences.
1185: #
1186: my @order = @LONCAPA::map::order;
1187: my @resources = @LONCAPA::map::resources;
1188: for (my $member=0;$member<=$#order;$member++) {
1189: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
1190: my $urlp=$2;
1191: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1192: my $texversion='';
1193: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1194: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1195: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1196: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1197: $form{'rndseed'}=$rndseed;
1198: $resources_printed .=$urlp.':';
1199: $texversion=&Apache::lonnet::ssi($urlp,%form);
1200: }
1201: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1202: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1203: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1204: # Don't permanently modify %$form...
1205: my %answerform = %form;
1206: $answerform{'grade_target'}='answer';
1207: $answerform{'answer_output_mode'}='tex';
1208: $answerform{'rndseed'}=$rndseed;
1209: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1210: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1211: $resources_printed .= $urlp.':';
1212: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1213: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1214: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1215: } else {
1216: # If necessary, encapsulate answer in minipage:
1217:
1218: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1219: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
1220: $title = &Apache::lonxml::latex_special_symbols($title);
1221: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1222: $body.=&path_to_problem($urlp,$LaTeXwidth);
1223: $body.='\vskip 1 mm '.$answer.'\end{document}';
1224: $body = &encapsulate_minipage($body);
1225: $texversion.=$body;
1226: }
1227: }
1228: $texversion = &latex_header_footer_remove($texversion);
1229:
1230: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1231: $texversion=&IndexCreation($texversion,$urlp);
1232: }
1233: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1234: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1235: }
1236: $result.=$texversion;
1237:
1238: } elsif ($urlp=~/\.(sequence|page)$/) {
1239:
1240: # header:
1241:
1242: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1243:
1244: # IF sequence, recurse:
1245:
1246: if ($urlp =~ /\.sequence$/) {
1247: my $sequence_url = $urlp;
1248: my $domain = $env{'user.domain'}; # Constr. space only on local
1249: my $user = $env{'user.name'};
1250:
1251: $sequence_url =~ s/^\/res\/$domain/\/home/;
1252: $sequence_url =~ s/^(\/home\/$user)/$1\/public_html/;
1253: # $sequence_url =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1254: $result .= &print_construction_sequence($sequence_url,
1255: $helper, %form,
1256: $LaTeXwidth);
1257: }
1258: }
1259: }
1260: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1261: return $result;
1262: }
1263:
1264: sub output_data {
1265: my ($r,$helper,$rparmhash) = @_;
1266: my %parmhash = %$rparmhash;
1267: $resources_printed = '';
1268: my $js = <<ENDPART;
1269: <script type="text/javascript">
1270: var editbrowser;
1271: function openbrowser(formname,elementname,only,omit) {
1272: var url = '/res/?';
1273: if (editbrowser == null) {
1274: url += 'launch=1&';
1275: }
1276: url += 'catalogmode=interactive&';
1277: url += 'mode=parmset&';
1278: url += 'form=' + formname + '&';
1279: if (only != null) {
1280: url += 'only=' + only + '&';
1281: }
1282: if (omit != null) {
1283: url += 'omit=' + omit + '&';
1284: }
1285: url += 'element=' + elementname + '';
1286: var title = 'Browser';
1287: var options = 'scrollbars=1,resizable=1,menubar=0';
1288: options += ',width=700,height=600';
1289: editbrowser = open(url,title,options,'1');
1290: editbrowser.focus();
1291: }
1292: </script>
1293: ENDPART
1294:
1295: my $start_page = &Apache::loncommon::start_page('Preparing Printout',$js);
1296: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1297:
1298: $r->print($start_page."\n<p>\n$msg\n</p>\n");
1299:
1300: # fetch the pagebreaks and store them in the course environment
1301: # The page breaks will be pulled into the hash %page_breaks which is
1302: # indexed by symb and contains 1's for each break.
1303:
1304: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1305: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1306: &Apache::loncommon::store_course_settings('print',
1307: {'pagebreaks' => 'scalar',
1308: 'lastprinttype' => 'scalar'});
1309:
1310: my %page_breaks = &get_page_breaks($helper);
1311:
1312: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1313: my ($result,$selectionmade) = ('','');
1314: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1315: my @temporary_array=split /\|/,$format_from_helper;
1316: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1317: if ($laystyle eq 'L') {
1318: $laystyle='album';
1319: } else {
1320: $laystyle='book';
1321: }
1322: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1323: my $assignment = $env{'form.assignment'};
1324: my $LaTeXwidth=&recalcto_mm($textwidth);
1325: my @print_array=();
1326: my @student_names=();
1327:
1328: # Common settings for the %form has:
1329: # In some cases these settings get overriddent by specific cases, but the
1330: # settings are common enough to make it worthwhile factoring them out
1331: # here.
1332: #
1333: my %form;
1334: $form{'grade_target'} = 'tex';
1335: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1336:
1337: # If form.showallfoils is set, then request all foils be shown:
1338: # privilege will be enforced both by not allowing the
1339: # check box selecting this option to be presnt unless it's ok,
1340: # and by lonresponse's priv. check.
1341: # The if is here because lonresponse.pm only cares that
1342: # showallfoils is defined, not what the value is.
1343:
1344: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1345: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1346: }
1347:
1348: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1349: #-- single document - problem, page, html, xml, ...
1350: my ($currentURL,$cleanURL);
1351:
1352: if ($helper->{'VARS'}->{'construction'} ne '1') {
1353: #prints published resource
1354: $currentURL=$helper->{'VARS'}->{'postdata'};
1355: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1356: } else {
1357: #prints resource from the construction space
1358: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1359: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1360: $cleanURL=$currentURL;
1361: }
1362: $selectionmade = 1;
1363: if ($cleanURL!~m|^/adm/|
1364: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1365: my $rndseed=time;
1366: my $texversion='';
1367: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1368: my %moreenv;
1369: $moreenv{'request.filename'}=$cleanURL;
1370: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1371: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1372: my $dom = $env{'user.domain'};
1373: my $user = $env{'user.name'};
1374: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1375: }
1376: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1377: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1378: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1379: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1380: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1381: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1382: if ($helper->{'VARS'}->{'curseed'}) {
1383: $rndseed=$helper->{'VARS'}->{'curseed'};
1384: }
1385: $form{'rndseed'}=$rndseed;
1386: &Apache::lonnet::appenv(%moreenv);
1387:
1388: &Apache::lonxml::clear_problem_counter();
1389:
1390: $resources_printed .= $currentURL.':';
1391: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1392:
1393: &Apache::lonxml::clear_problem_counter();
1394:
1395: &Apache::lonnet::delenv('request.filename');
1396: }
1397: # current document with answers.. no need to encap in minipage
1398: # since there's only one answer.
1399:
1400: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1401: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1402: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1403: $form{'grade_target'}='answer';
1404: $form{'answer_output_mode'}='tex';
1405: $form{'rndseed'}=$rndseed;
1406: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1407: $form{'problemtype'}='exam';
1408: }
1409: $resources_printed .= $currentURL.':';
1410: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1411: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1412: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1413: } else {
1414: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1415: if ($helper->{'VARS'}->{'construction'} ne '1') {
1416: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
1417: $title = &Apache::lonxml::latex_special_symbols($title);
1418: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1419: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1420: } else {
1421: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1422: my $URLpath=$cleanURL;
1423: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1424: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1425: }
1426: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1427: }
1428: }
1429: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1430: $texversion=&IndexCreation($texversion,$currentURL);
1431: }
1432: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1433: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1434:
1435: }
1436: $result .= $texversion;
1437: if ($currentURL=~m/\.page\s*$/) {
1438: ($result,$number_of_columns) = &page_cleanup($result);
1439: }
1440: } elsif ($cleanURL!~m|^/adm/|
1441: && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1442: #printing content of sequence from the construction space
1443: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1444: $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1445: $result .= &print_construction_sequence($currentURL, $helper, %form,
1446: $LaTeXwidth);
1447: $result .= '\end{document}';
1448: if (!($result =~ /\\begin\{document\}/)) {
1449: $result = &print_latex_header() . $result;
1450: }
1451: # End construction space sequence.
1452: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1453: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1454: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1455: $resources_printed .= $currentURL.':';
1456: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1457: $result .= $texversion;
1458: } else {
1459: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
1460: $helper->{'VARS'}->{'symb'});
1461: }
1462: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1463: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1464: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1465: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1466: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1467: #-- produce an output string
1468: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1469: $selectionmade = 2;
1470: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1471: $selectionmade = 3;
1472: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1473: $selectionmade = 4;
1474: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1475: $selectionmade = 4;
1476: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1477: $selectionmade = 7;
1478: }
1479: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1480: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1481: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1482: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1483: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1484: my $flag_latex_header_remove = 'NO';
1485: my $flag_page_in_sequence = 'NO';
1486: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1487: my $prevassignment='';
1488:
1489: &Apache::lonxml::clear_problem_counter();
1490:
1491: my $pbreakresources = keys %page_breaks;
1492: for (my $i=0;$i<=$#master_seq;$i++) {
1493:
1494: # Note due to document structure, not allowed to put \newpage
1495: # prior to the first resource
1496:
1497: if (defined $page_breaks{$master_seq[$i]}) {
1498: if($i != 0) {
1499: $result.="\\newpage\n";
1500: }
1501: }
1502: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1503: $urlp=&Apache::lonnet::clutter($urlp);
1504: $form{'symb'}=$master_seq[$i];
1505:
1506: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1507: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1508: if ($i==0) {$prevassignment=$assignment;}
1509: my $texversion='';
1510: if ($urlp!~m|^/adm/|
1511: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1512: $resources_printed .= $urlp.':';
1513:
1514: &Apache::lonxml::remember_problem_counter();
1515: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1516: if ($urlp=~/\.page$/) {
1517: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1518: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1519: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1520: $flag_page_in_sequence = 'YES';
1521: }
1522:
1523: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1524: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1525: # Don't permanently pervert the %form hash
1526: my %answerform = %form;
1527: $answerform{'grade_target'}='answer';
1528: $answerform{'answer_output_mode'}='tex';
1529: $resources_printed .= $urlp.':';
1530:
1531: &Apache::lonxml::restore_problem_counter();
1532: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1533:
1534: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1535: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1536: } else {
1537: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1538: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1539: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
1540: $title = &Apache::lonxml::latex_special_symbols($title);
1541: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1542: $body .= &path_to_problem ($urlp,$LaTeXwidth);
1543: $body .='\vskip 1 mm '.$answer;
1544: $body = &encapsulate_minipage($body);
1545: $texversion .= $body;
1546: } else {
1547: $texversion='';
1548: }
1549: }
1550: }
1551: if ($flag_latex_header_remove ne 'NO') {
1552: $texversion = &latex_header_footer_remove($texversion);
1553: } else {
1554: $texversion =~ s/\\end{document}//;
1555: }
1556: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1557: $texversion=&IndexCreation($texversion,$urlp);
1558: }
1559: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1560: my $name = &get_name();
1561: my $courseidinfo = &get_course();
1562: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1563: $prevassignment=$assignment;
1564: my $header_text = $parmhash{'print_header_format'};
1565: $header_text = &format_page_header($textwidth, $header_text,
1566: $assignment,
1567: $courseidinfo,
1568: $name);
1569: if ($numberofcolumns eq '1') {
1570: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1571: } else {
1572: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1573: }
1574: }
1575: $result .= $texversion;
1576: $flag_latex_header_remove = 'YES';
1577: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1578: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1579: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1580: $resources_printed .= $urlp.':';
1581: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1582: if ($flag_latex_header_remove ne 'NO') {
1583: $texversion = &latex_header_footer_remove($texversion);
1584: } else {
1585: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1586: }
1587: $result .= $texversion;
1588: $flag_latex_header_remove = 'YES';
1589: } else {
1590: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
1591: $master_seq[$i]);
1592: if ($flag_latex_header_remove ne 'NO') {
1593: $texversion = &latex_header_footer_remove($texversion);
1594: } else {
1595: $texversion =~ s/\\end{document}//;
1596: }
1597: $result .= $texversion;
1598: $flag_latex_header_remove = 'YES';
1599: }
1600: if (&Apache::loncommon::connection_aborted($r)) { last; }
1601: }
1602: &Apache::lonxml::clear_problem_counter();
1603: if ($flag_page_in_sequence eq 'YES') {
1604: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1605: }
1606: $result .= '\end{document}';
1607: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1608: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1609:
1610:
1611: #-- prints assignments for whole class or for selected students
1612: my $type;
1613: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1614: $selectionmade=5;
1615: $type='problems';
1616: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1617: $selectionmade=8;
1618: $type='resources';
1619: }
1620: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1621: # The normal sort order is by section then by students within the
1622: # section. If the helper var student_sort is 1, then the user has elected
1623: # to override this and output the students by name.
1624: # Each element of the students array is of the form:
1625: # username:domain:section:last, first:status
1626: #
1627: # Note that student sort is not compatible with printing
1628: # 1 section per pdf...so that setting overrides.
1629: #
1630: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
1631: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1632: @students = sort compare_names @students;
1633: }
1634: &adjust_number_to_print($helper);
1635:
1636: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1637: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1638: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1639: }
1640: # If we are splitting on section boundaries, we need
1641: # to remember that in split_on_sections and
1642: # print all of the students in the list.
1643: #
1644: my $split_on_sections = 0;
1645: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
1646: $split_on_sections = 1;
1647: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
1648: }
1649: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1650:
1651: #loop over students
1652: my $flag_latex_header_remove = 'NO';
1653: my %moreenv;
1654: $moreenv{'instructor_comments'}='hide';
1655: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1656: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1657: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1658: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1659: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1660: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1661: my $student_counter=-1;
1662: my $i = 0;
1663: my $last_section = (split(/:/,$students[0]))[2];
1664: foreach my $person (@students) {
1665:
1666: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1667: if (-e $duefile) {
1668: my $temp_file = Apache::File->new('>>'.$duefile);
1669: print $temp_file "1969\n";
1670: }
1671: $student_counter++;
1672: if ($split_on_sections) {
1673: my $this_section = (split(/:/,$person))[2];
1674: if ($this_section ne $last_section) {
1675: $i++;
1676: $last_section = $this_section;
1677: }
1678: } else {
1679: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1680: }
1681: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1682: $person,$type,
1683: \%moreenv,\@master_seq,
1684: $flag_latex_header_remove,
1685: $LaTeXwidth);
1686: $resources_printed .= ":";
1687: $print_array[$i].=$output;
1688: $student_names[$i].=$person.':'.$fullname.'_END_';
1689: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1690: $flag_latex_header_remove = 'YES';
1691: if (&Apache::loncommon::connection_aborted($r)) { last; }
1692: }
1693: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1694: $result .= $print_array[0].' \end{document}';
1695: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1696: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1697: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1698: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1699: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1700: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1701: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1702: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1703: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1704:
1705: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1706: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1707: my ($code_type,$code_length)=('letter',6);
1708: foreach my $line (<FH>) {
1709: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1710: if ($name eq $code_option) {
1711: $code_length=$length;
1712: if ($type eq 'number') { $code_type = 'number'; }
1713: }
1714: }
1715: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1716: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1717: $moreenv{'instructor_comments'}='hide';
1718: my $seed=time+($$<<16)+($$);
1719: my @allcodes;
1720: if ($old_name) {
1721: my %result=&Apache::lonnet::get('CODEs',
1722: [$old_name,"type\0$old_name"],
1723: $cdom,$cnum);
1724: $code_type=$result{"type\0$old_name"};
1725: @allcodes=split(',',$result{$old_name});
1726: $num_todo=scalar(@allcodes);
1727: } elsif ($selected_code) { # Selection value is always numeric.
1728: $num_todo = 1;
1729: @allcodes = ($selected_code);
1730: } elsif ($single_code) {
1731:
1732: $num_todo = 1; # Unconditionally one code to do.
1733: # If an alpha code have to convert to numbers so it can be
1734: # converted back to letters again :-)
1735: #
1736: if ($code_type ne 'number') {
1737: $single_code = &letters_to_num($single_code);
1738: }
1739: @allcodes = ($single_code);
1740: } else {
1741: my %allcodes;
1742: srand($seed);
1743: for (my $i=0;$i<$num_todo;$i++) {
1744: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1745: $code_type);
1746: }
1747: if ($code_name) {
1748: &Apache::lonnet::put('CODEs',
1749: {
1750: $code_name =>join(',',keys(%allcodes)),
1751: "type\0$code_name" => $code_type
1752: },
1753: $cdom,$cnum);
1754: }
1755: @allcodes=keys(%allcodes);
1756: }
1757: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1758: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1759: &adjust_number_to_print($helper);
1760: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1761: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1762: $number_per_page=$num_todo;
1763: }
1764: my $flag_latex_header_remove = 'NO';
1765: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1766: my $count=0;
1767: foreach my $code (sort(@allcodes)) {
1768: my $file_num=int($count/$number_per_page);
1769: if ($code_type eq 'number') {
1770: $moreenv{'CODE'}=$code;
1771: } else {
1772: $moreenv{'CODE'}=&num_to_letters($code);
1773: }
1774: my ($output,$fullname, $printed)=
1775: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1776: \@master_seq,$flag_latex_header_remove,
1777: $LaTeXwidth);
1778: $resources_printed .= ":";
1779: $print_array[$file_num].=$output;
1780: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1781: &mt('last assignment').' '.$fullname);
1782: $flag_latex_header_remove = 'YES';
1783: $count++;
1784: if (&Apache::loncommon::connection_aborted($r)) { last; }
1785: }
1786: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1787: $result .= $print_array[0].' \end{document}';
1788: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1789: #prints selected problems from the subdirectory
1790: $selectionmade = 6;
1791: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1792: @list_of_files=sort @list_of_files;
1793: my $flag_latex_header_remove = 'NO';
1794: my $rndseed=time;
1795: if ($helper->{'VARS'}->{'curseed'}) {
1796: $rndseed=$helper->{'VARS'}->{'curseed'};
1797: }
1798: for (my $i=0;$i<=$#list_of_files;$i++) {
1799: my $urlp = $list_of_files[$i];
1800: $urlp=~s|//|/|;
1801: if ($urlp=~/\//) {
1802: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1803: $form{'rndseed'}=$rndseed;
1804: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1805: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1806: } else {
1807: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1808: }
1809: $resources_printed .= $urlp.':';
1810: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1811: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1812: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1813: # Don't permanently pervert %form:
1814: my %answerform = %form;
1815: $answerform{'grade_target'}='answer';
1816: $answerform{'answer_output_mode'}='tex';
1817: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1818: $answerform{'rndseed'}=$rndseed;
1819: $resources_printed .= $urlp.':';
1820: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1821: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1822: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1823: } else {
1824: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1825: if ($helper->{'VARS'}->{'construction'} ne '1') {
1826: $texversion.='\vskip 0 mm \noindent ';
1827: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1828: } else {
1829: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1830: my $URLpath=$urlp;
1831: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1832: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1833: }
1834: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1835: }
1836: }
1837: #this chunck is responsible for printing the path to problem
1838: my $newurlp=$urlp;
1839: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1840: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1841: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1842: if ($flag_latex_header_remove ne 'NO') {
1843: $texversion = &latex_header_footer_remove($texversion);
1844: } else {
1845: $texversion =~ s/\\end{document}//;
1846: }
1847: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1848: $texversion=&IndexCreation($texversion,$urlp);
1849: }
1850: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1851: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1852:
1853: }
1854: $result .= $texversion;
1855: }
1856: $flag_latex_header_remove = 'YES';
1857: }
1858: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1859: $result .= '\end{document}';
1860: }
1861: #-------------------------------------------------------- corrections for the different page formats
1862: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1863: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
1864: $helper->{'VARS'}->{'ANSWER_TYPE'});
1865: #if ($numberofcolumns == 1) {
1866: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1867: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1868: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1869: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1870: #}
1871:
1872: #-- writing .tex file in prtspool
1873: my $temp_file;
1874: my $identifier = &Apache::loncommon::get_cgi_id();
1875: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1876: if (!($#print_array>0)) {
1877: unless ($temp_file = Apache::File->new('>'.$filename)) {
1878: $r->log_error("Couldn't open $filename for output $!");
1879: return SERVER_ERROR;
1880: }
1881: print $temp_file $result;
1882: my $begin=index($result,'\begin{document}',0);
1883: my $inc=substr($result,0,$begin+16);
1884: } else {
1885: my $begin=index($result,'\begin{document}',0);
1886: my $inc=substr($result,0,$begin+16);
1887: for (my $i=0;$i<=$#print_array;$i++) {
1888: if ($i==0) {
1889: $print_array[$i]=$result;
1890: } else {
1891: $print_array[$i].='\end{document}';
1892: $print_array[$i] =
1893: &latex_corrections($number_of_columns,$print_array[$i],
1894: $selectionmade,
1895: $helper->{'VARS'}->{'ANSWER_TYPE'});
1896:
1897: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1898: substr($print_array[$i],0,$anobegin)='';
1899: $print_array[$i]=$inc.$print_array[$i];
1900: }
1901: my $temp_file;
1902: my $newfilename=$filename;
1903: my $num=$i+1;
1904: $newfilename =~s/\.tex$//;
1905: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1906: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1907: $r->log_error("Couldn't open $newfilename for output $!");
1908: return SERVER_ERROR;
1909: }
1910: print $temp_file $print_array[$i];
1911: }
1912: }
1913: my $student_names='';
1914: if ($#print_array>0) {
1915: for (my $i=0;$i<=$#print_array;$i++) {
1916: $student_names.=$student_names[$i].'_ENDPERSON_';
1917: }
1918: } else {
1919: if ($#student_names>-1) {
1920: $student_names=$student_names[0].'_ENDPERSON_';
1921: } else {
1922: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1923: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1924: $env{'request.course.sec'},$fullname).
1925: '_ENDPERSON_'.'_END_';
1926: }
1927: }
1928:
1929: my $URLback=''; #link to original document
1930: if ($helper->{'VARS'}->{'construction'} ne '1') {
1931: #prints published resource
1932: $URLback=&escape('/adm/flip?postdata=return:');
1933: } else {
1934: #prints resource from the construction space
1935: $URLback='/'.$helper->{'VARS'}->{'filename'};
1936: if ($URLback=~/([^?]+)/) {
1937: $URLback=$1;
1938: $URLback=~s|^/~|/priv/|;
1939: }
1940: }
1941: # logic for now is too complex to trace if this has been defined
1942: # yet.
1943: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1944: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1945: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1946: 'cgi.'.$identifier.'.layout' => $laystyle,
1947: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1948: 'cgi.'.$identifier.'.paper' => $papersize,
1949: 'cgi.'.$identifier.'.selection' => $selectionmade,
1950: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1951: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1952: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1953: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1954: 'cgi.'.$identifier.'.studentnames' => $student_names,
1955: 'cgi.'.$identifier.'.backref' => $URLback,);
1956: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1957: "cgi.$identifier.domain" => $env{'user.domain'},
1958: "cgi.$identifier.courseid" => $cnum,
1959: "cgi.$identifier.coursedom" => $cdom,
1960: "cgi.$identifier.resources" => $resources_printed);
1961:
1962: my $end_page = &Apache::loncommon::end_page();
1963: $r->print(<<FINALEND);
1964: <br />
1965: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1966: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1967: $end_page
1968: FINALEND
1969: }
1970:
1971:
1972: sub get_CODE {
1973: my ($all_codes,$num,$seed,$size,$type)=@_;
1974: my $max='1'.'0'x$size;
1975: my $newcode;
1976: while(1) {
1977: $newcode=sprintf("%0".$size."d",int(rand($max)));
1978: if (!exists($$all_codes{$newcode})) {
1979: $$all_codes{$newcode}=1;
1980: if ($type eq 'number' ) {
1981: return $newcode;
1982: } else {
1983: return &num_to_letters($newcode);
1984: }
1985: }
1986: }
1987: }
1988:
1989: sub print_resources {
1990: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1991: $LaTeXwidth)=@_;
1992: my $current_output = '';
1993: my $printed = '';
1994: my ($username,$userdomain,$usersection) = split /:/,$person;
1995: my $fullname = &get_name($username,$userdomain);
1996: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
1997: if ($person =~ 'anon') {
1998: $namepostfix .="Name: ";
1999: $fullname = "CODE - ".$moreenv->{'CODE'};
2000: }
2001: # Fullname may have special latex characters that need \ prefixing:
2002: #
2003:
2004: my $i = 0;
2005: #goes through all resources, checks if they are available for
2006: #current student, and produces output
2007:
2008: &Apache::lonxml::clear_problem_counter();
2009: my %page_breaks = &get_page_breaks($helper);
2010: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
2011: #
2012: # end each student with a
2013: # Special that allows the post processor to even out the page
2014: # counts later. Nasty problem this... it would be really
2015: # nice to put the special in as a postscript comment
2016: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
2017: # The special gets passed the \ and dvips puts it in the output file
2018: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
2019: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
2020: #
2021:
2022: foreach my $curresline (@{$master_seq}) {
2023: if (defined $page_breaks{$curresline}) {
2024: if($i != 0) {
2025: $current_output.= "\\newpage\n";
2026: }
2027: }
2028: $i++;
2029: if ( !($type eq 'problems' &&
2030: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
2031: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
2032: if (&Apache::lonnet::allowed('bre',$res_url)) {
2033: if ($res_url!~m|^ext/|
2034: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2035: $printed .= $curresline.':';
2036:
2037: &Apache::lonxml::remember_problem_counter();
2038:
2039: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
2040:
2041: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2042: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2043: # Use a copy of the hash so we don't pervert it on future loop passes.
2044: my %answerenv = %{$moreenv};
2045: $answerenv{'answer_output_mode'}='tex';
2046: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2047:
2048: &Apache::lonxml::restore_problem_counter();
2049:
2050: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
2051:
2052: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2053: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
2054: } else {
2055:
2056:
2057: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2058: my $title = &Apache::lonnet::gettitle($curresline);
2059: $title = &Apache::lonxml::latex_special_symbols($title);
2060: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2061: $body .=&path_to_problem($res_url,$LaTeXwidth);
2062: $body .='\vskip 1 mm '.$ansrendered;
2063: $body = &encapsulate_minipage($body);
2064: $rendered = $header.$body;
2065: }
2066: }
2067: if ($remove_latex_header eq 'YES') {
2068: $rendered = &latex_header_footer_remove($rendered);
2069: } else {
2070: $rendered =~ s/\\end{document}//;
2071: }
2072: $current_output .= $rendered;
2073: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
2074: $printed .= $curresline.':';
2075: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
2076:
2077: if ($remove_latex_header eq 'YES') {
2078: $rendered = &latex_header_footer_remove($rendered);
2079: } else {
2080: $rendered =~ s/\\end{document}//;
2081: }
2082: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
2083:
2084: } else {
2085: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
2086: if ($remove_latex_header ne 'NO') {
2087: $rendered = &latex_header_footer_remove($rendered);
2088: } else {
2089: $rendered =~ s/\\end{document}//;
2090: }
2091: $current_output .= $rendered;
2092: }
2093: }
2094: $remove_latex_header = 'YES';
2095: }
2096: if (&Apache::loncommon::connection_aborted($r)) { last; }
2097: }
2098: my $courseidinfo = &get_course();
2099: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
2100: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
2101: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
2102: my $header_line =
2103: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
2104: $currentassignment, $courseidinfo, $fullname);
2105: my $header_start = ($columns_in_format == 1) ? '\lhead'
2106: : '\fancyhead[LO]';
2107: $header_line = $header_start.'{'.$header_line.'}';
2108:
2109: if ($current_output=~/\\documentclass/) {
2110: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
2111: } else {
2112: my $blankpages =
2113: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
2114:
2115: $current_output = '\strut\vspace*{-6 mm}\\newline'.
2116: ©right_line().' \newpage '.$blankpages.$end_of_student.
2117: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
2118: $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
2119: }
2120: #
2121: # Close the student bracketing.
2122: #
2123: return ($current_output,$fullname, $printed);
2124:
2125: }
2126:
2127: sub handler {
2128:
2129: my $r = shift;
2130:
2131: &init_perm();
2132:
2133:
2134:
2135: my $helper = printHelper($r);
2136: if (!ref($helper)) {
2137: return $helper;
2138: }
2139:
2140:
2141: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2142:
2143:
2144:
2145:
2146: # If a figure conversion queue file exists for this user.domain
2147: # we delete it since it can only be bad (if it were good, printout.pl
2148: # would have deleted it the last time around.
2149:
2150: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
2151: if(-e $conversion_queuefile) {
2152: unlink $conversion_queuefile;
2153: }
2154: &output_data($r,$helper,\%parmhash);
2155: return OK;
2156: }
2157:
2158: use Apache::lonhelper;
2159:
2160: sub addMessage {
2161: my $text = shift;
2162: my $paramHash = Apache::lonhelper::getParamHash();
2163: $paramHash->{MESSAGE_TEXT} = $text;
2164: Apache::lonhelper::message->new();
2165: }
2166:
2167:
2168:
2169: sub init_perm {
2170: undef(%perm);
2171: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
2172: if (!$perm{'pav'}) {
2173: $perm{'pav'}=&Apache::lonnet::allowed('pav',
2174: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2175: }
2176: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
2177: if (!$perm{'pfo'}) {
2178: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
2179: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2180: }
2181: }
2182:
2183: sub printHelper {
2184: my $r = shift;
2185:
2186: if ($r->header_only) {
2187: if ($env{'browser.mathml'}) {
2188: &Apache::loncommon::content_type($r,'text/xml');
2189: } else {
2190: &Apache::loncommon::content_type($r,'text/html');
2191: }
2192: $r->send_http_header;
2193: return OK;
2194: }
2195:
2196: # Send header, nocache
2197: if ($env{'browser.mathml'}) {
2198: &Apache::loncommon::content_type($r,'text/xml');
2199: } else {
2200: &Apache::loncommon::content_type($r,'text/html');
2201: }
2202: &Apache::loncommon::no_cache($r);
2203: $r->send_http_header;
2204: $r->rflush();
2205:
2206: # Unfortunately, this helper is so complicated we have to
2207: # write it by hand
2208:
2209: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
2210:
2211: my $helper = Apache::lonhelper::helper->new("Printing Helper");
2212: $helper->declareVar('symb');
2213: $helper->declareVar('postdata');
2214: $helper->declareVar('curseed');
2215: $helper->declareVar('probstatus');
2216: $helper->declareVar('filename');
2217: $helper->declareVar('construction');
2218: $helper->declareVar('assignment');
2219: $helper->declareVar('style_file');
2220: $helper->declareVar('student_sort');
2221: $helper->declareVar('FINISHPAGE');
2222: $helper->declareVar('PRINT_TYPE');
2223: $helper->declareVar("showallfoils");
2224: $helper->declareVar("STUDENTS");
2225:
2226: # The page breaks can get loaded initially from the course environment:
2227: # But we only do this in the initial state so that they are allowed to change.
2228: #
2229:
2230: # $helper->{VARS}->{FINISHPAGE} = '';
2231:
2232: &Apache::loncommon::restore_course_settings('print',
2233: {'pagebreaks' => 'scalar',
2234: 'lastprinttype' => 'scalar'});
2235:
2236: # This will persistently load in the data we want from the
2237: # very first screen.
2238:
2239: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
2240: if (!defined ($env{"form.CURRENT_STATE"})) {
2241:
2242: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2243: } else {
2244: my $state = $env{"form.CURRENT_STATE"};
2245: if ($state eq "START") {
2246: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2247: }
2248: }
2249:
2250: }
2251:
2252:
2253: # Detect whether we're coming from construction space
2254: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
2255: $helper->{VARS}->{'filename'} = "~$1/$2";
2256: $helper->{VARS}->{'construction'} = 1;
2257: } else {
2258: if ($env{'form.postdata'}) {
2259: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
2260: if ( $helper->{VARS}->{'symb'} eq '') {
2261: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
2262: }
2263: }
2264: if ($env{'form.symb'}) {
2265: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2266: }
2267: if ($env{'form.url'}) {
2268: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2269: }
2270:
2271: }
2272:
2273: if ($env{'form.symb'}) {
2274: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2275: }
2276: if ($env{'form.url'}) {
2277: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2278:
2279: }
2280: $helper->{VARS}->{'symb'}=
2281: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
2282: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
2283: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
2284:
2285:
2286: # Extract map
2287: my $symb = $helper->{VARS}->{'symb'};
2288: my ($map, $id, $url);
2289: my $subdir;
2290: my $is_published=0; # True when printing from resource space.
2291:
2292: # Get the resource name from construction space
2293: if ($helper->{VARS}->{'construction'}) {
2294: $resourceTitle = substr($helper->{VARS}->{'filename'},
2295: rindex($helper->{VARS}->{'filename'}, '/')+1);
2296: $subdir = substr($helper->{VARS}->{'filename'},
2297: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
2298: } else {
2299: if ($symb ne '') {
2300: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
2301: $helper->{VARS}->{'postdata'} =
2302: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
2303: } else {
2304: $url = $helper->{VARS}->{'postdata'};
2305: $is_published=1; # From resource space.
2306: }
2307: $url = &Apache::lonnet::clutter($url);
2308:
2309: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
2310: my $postdata = $helper->{VARS}->{'postdata'};
2311: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
2312: }
2313: $subdir = &Apache::lonnet::filelocation("", $url);
2314: }
2315: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2316: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2317: }
2318: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2319: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2320: }
2321:
2322: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2323:
2324: Apache::lonhelper::registerHelperTags();
2325:
2326: # "Delete everything after the last slash."
2327: $subdir =~ s|/[^/]+$||;
2328:
2329: # What can be printed is a very dynamic decision based on
2330: # lots of factors. So we need to dynamically build this list.
2331: # To prevent security leaks, states are only added to the wizard
2332: # if they can be reached, which ensures manipulating the form input
2333: # won't allow anyone to reach states they shouldn't have permission
2334: # to reach.
2335:
2336: # printChoices is tracking the kind of printing the user can
2337: # do, and will be used in a choices construction later.
2338: # In the meantime we will be adding states and elements to
2339: # the helper by hand.
2340: my $printChoices = [];
2341: my $paramHash;
2342:
2343: if ($resourceTitle) {
2344: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2345: }
2346:
2347: # Useful filter strings
2348: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2349: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2350: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2351: my $isNotMap = '!$res->is_sequence()';
2352: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2353: my $isMap = '$res->is_map()';
2354: my $symbFilter = '$res->shown_symb()';
2355: my $urlValue = '$res->link()';
2356:
2357: $helper->declareVar('SEQUENCE');
2358:
2359: # If we're in a sequence...
2360:
2361: my $start_new_option;
2362: if ($perm{'pav'}) {
2363: $start_new_option =
2364: "<option text='".&mt('Start new page<br />before selected').
2365: "' variable='FINISHPAGE' />";
2366: }
2367:
2368: if (($helper->{'VARS'}->{'construction'} ne '1' ) &&
2369:
2370: $helper->{VARS}->{'postdata'} &&
2371: $helper->{VARS}->{'assignment'}) {
2372: # Allow problems from sequence
2373: push @{$printChoices}, [&mt('Selected <b>Problems</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems', 'CHOOSE_PROBLEMS'];
2374: # Allow all resources from sequence
2375: push @{$printChoices}, [&mt('Selected <b>Resources</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2376:
2377: my $helperFragment = <<HELPERFRAGMENT;
2378: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2379: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2380: closeallpages="1">
2381: <nextstate>PAGESIZE</nextstate>
2382: <filterfunc>return $isProblem;</filterfunc>
2383: <mapurl>$map</mapurl>
2384: <valuefunc>return $symbFilter;</valuefunc>
2385: $start_new_option
2386: </resource>
2387: </state>
2388:
2389: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2390: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2391: closeallpages="1">
2392: <nextstate>PAGESIZE</nextstate>
2393: <filterfunc>return $isNotMap;</filterfunc>
2394: <mapurl>$map</mapurl>
2395: <valuefunc>return $symbFilter;</valuefunc>
2396: $start_new_option
2397: </resource>
2398: </state>
2399: HELPERFRAGMENT
2400:
2401: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2402: }
2403:
2404: # If the user has pfo (print for otheres) allow them to print all
2405: # problems and resources in the entier course, optionally for selected students
2406: if ($perm{'pfo'} && !$is_published &&
2407: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2408:
2409: push @{$printChoices}, ['Selected <b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2410: push @{$printChoices}, ['Selected <b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2411: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2412: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2413: <resource variable="RESOURCES" toponly='0' multichoice="1"
2414: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2415: <nextstate>PAGESIZE</nextstate>
2416: <filterfunc>return $isProblemOrMap;</filterfunc>
2417: <choicefunc>return $isNotMap;</choicefunc>
2418: <valuefunc>return $symbFilter;</valuefunc>
2419: $start_new_option
2420: </resource>
2421: </state>
2422: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2423: <resource variable="RESOURCES" toponly='0' multichoice='1'
2424: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2425: <nextstate>PAGESIZE</nextstate>
2426: <filterfunc>return $isNotMap; </filterfunc>
2427: <valuefunc>return $symbFilter;</valuefunc>
2428: $start_new_option
2429: </resource>
2430: </state>
2431: ALL_PROBLEMS
2432:
2433: if ($helper->{VARS}->{'assignment'}) {
2434: 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'];
2435: 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'];
2436: }
2437:
2438: # resource_selector will hold a few states that:
2439: # - Allow resources to be selected for printing.
2440: # - Determine pagination between assignments.
2441: # - Determine how many assignments should be bundled into a single PDF.
2442: # TODO:
2443: # Probably good to do things like separate this up into several vars, each
2444: # with one state, and use REGEXPs at inclusion time to set state names
2445: # and next states for better mix and match capability
2446: #
2447: my $resource_selector=<<RESOURCE_SELECTOR;
2448: <state name="SELECT_PROBLEMS" title="Select resources to print">
2449: <nextstate>PRINT_FORMATTING</nextstate>
2450: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2451: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2452: closeallpages="1">
2453: <filterfunc>return $isProblem;</filterfunc>
2454: <mapurl>$map</mapurl>
2455: <valuefunc>return $symbFilter;</valuefunc>
2456: $start_new_option
2457: </resource>
2458: </state>
2459: <state name="PRINT_FORMATTING" title="How should results be printed?">
2460: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2461: <choices variable="EMPTY_PAGES">
2462: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2463: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2464: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2465: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2466: </choices>
2467: <nextstate>PAGESIZE</nextstate>
2468: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2469: <choices variable="SPLIT_PDFS">
2470: <choice computer="all">All assignments in a single PDF file</choice>
2471: <choice computer="sections">Each PDF contains exactly one section</choice>
2472: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2473: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2474: Specify the number of assignments per PDF:</choice>
2475: </choices>
2476: </state>
2477: RESOURCE_SELECTOR
2478:
2479: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2480: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2481: <message><b>Select sorting order of printout</b> </message>
2482: <choices variable='student_sort'>
2483: <choice computer='0'>Sort by section then student</choice>
2484: <choice computer='1'>Sort by students across sections.</choice>
2485: </choices>
2486: <message><br /><hr /><br /> </message>
2487: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
2488: </state>
2489: $resource_selector
2490: CHOOSE_STUDENTS
2491:
2492: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2493: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2494: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2495: my $namechoice='<choice></choice>';
2496: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2497: if ($name =~ /^error: 2 /) { next; }
2498: if ($name =~ /^type\0/) { next; }
2499: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2500: }
2501:
2502:
2503: my %code_values;
2504: my %codes_to_print;
2505: foreach my $key (@names) {
2506: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2507: foreach my $key (keys(%code_values)) {
2508: $codes_to_print{$key} = 1;
2509: }
2510: }
2511:
2512: my $code_selection;
2513: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
2514: my $choice = $code;
2515: if ($code =~ /^[A-Z]+$/) { # Alpha code
2516: $choice = &letters_to_num($code);
2517: }
2518: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
2519: }
2520: if (%codes_to_print) {
2521: $code_selection .='
2522: <message><b>Choose single CODE from list:</b></message>
2523: <message></td><td></message>
2524: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2525: <choice></choice>
2526: <exec>
2527: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
2528: </exec>
2529: </dropdown>
2530: <message></td></tr><tr><td></message>
2531: '.$/;
2532:
2533: }
2534:
2535:
2536: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2537: my $codechoice='';
2538: foreach my $line (<FH>) {
2539: my ($name,$description,$code_type,$code_length)=
2540: (split(/:/,$line))[0,1,2,4];
2541: if ($code_length > 0 &&
2542: $code_type =~/^(letter|number|-1)/) {
2543: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2544: }
2545: }
2546: if ($codechoice eq '') {
2547: $codechoice='<choice computer="default">Default</choice>';
2548: }
2549: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2550: <state name="CHOOSE_ANON1" title="Specify CODEd Assignments">
2551: <nextstate>SELECT_PROBLEMS</nextstate>
2552: <message><h4>Fill out one of the forms below</h4></message>
2553: <message><br /><hr /> <br /></message>
2554: <message><h3>Generate new CODEd Assignments</h3></message>
2555: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2556: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2557: <validator>
2558: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2559: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2560: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2561: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2562: return "You need to specify the number of assignments to print";
2563: }
2564: return undef;
2565: </validator>
2566: </string>
2567: <message></td></tr><tr><td></message>
2568: <message><b>Names to store the CODEs under for later:</b></message>
2569: <message></td><td></message>
2570: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2571: <message></td></tr><tr><td></message>
2572: <message><b>Bubble sheet type:</b></message>
2573: <message></td><td></message>
2574: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2575: $codechoice
2576: </dropdown>
2577: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
2578: <message></td></tr><tr><td></table></message>
2579: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2580: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2581: <string variable="SINGLE_CODE" size="10">
2582: <validator>
2583: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2584: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2585: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2586: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2587: \$helper->{'VARS'}{'CODE_OPTION'});
2588: } else {
2589: return undef; # Other forces control us.
2590: }
2591: </validator>
2592: </string>
2593: <message></td></tr><tr><td></message>
2594: $code_selection
2595: <message></td></tr></table></message>
2596: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2597: <message><b>Select saved CODEs:</b></message>
2598: <message></td><td></message>
2599: <dropdown variable="REUSE_OLD_CODES">
2600: $namechoice
2601: </dropdown>
2602: <message></td></tr></table></message>
2603: </state>
2604: $resource_selector
2605: CHOOSE_ANON1
2606:
2607:
2608: if ($helper->{VARS}->{'assignment'}) {
2609: 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'];
2610: 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'];
2611: }
2612:
2613:
2614: $resource_selector=<<RESOURCE_SELECTOR;
2615: <state name="SELECT_RESOURCES" title="Select Resources">
2616: <nextstate>PRINT_FORMATTING</nextstate>
2617: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2618: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2619: closeallpages="1">
2620: <filterfunc>return $isNotMap;</filterfunc>
2621: <mapurl>$map</mapurl>
2622: <valuefunc>return $symbFilter;</valuefunc>
2623: $start_new_option
2624: </resource>
2625: </state>
2626: <state name="PRINT_FORMATTING" title="Format of the print job">
2627: <nextstate>NUMBER_PER_PDF</nextstate>
2628: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2629: <choices variable="EMPTY_PAGES">
2630: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2631: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2632: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2633: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2634: </choices>
2635: <nextstate>PAGESIZE</nextstate>
2636: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2637: <choices variable="SPLIT_PDFS">
2638: <choice computer="all">All assignments in a single PDF file</choice>
2639: <choice computer="sections">Each PDF contains exactly one section</choice>
2640: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2641: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2642: Specify the number of assignments per PDF:</choice>
2643: </choices>
2644: </state>
2645: RESOURCE_SELECTOR
2646:
2647: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2648: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2649: <choices variable='student_sort'>
2650: <choice computer='0'>Sort by section then student</choice>
2651: <choice computer='1'>Sort by students across sections.</choice>
2652: </choices>
2653: <message><br /><hr /><br /></message>
2654: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
2655:
2656: </state>
2657: $resource_selector
2658: CHOOSE_STUDENTS1
2659:
2660: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2661: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
2662: <nextstate>SELECT_RESOURCES</nextstate>
2663: <message><h4>Fill out one of the forms below</h4></message>
2664: <message><br /><hr /> <br /></message>
2665: <message><h3>Generate new CODEd Assignments</h3></message>
2666: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2667: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2668: <validator>
2669: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2670: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2671: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2672: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2673: return "You need to specify the number of assignments to print";
2674: }
2675: return undef;
2676: </validator>
2677: </string>
2678: <message></td></tr><tr><td></message>
2679: <message><b>Names to store the CODEs under for later:</b></message>
2680: <message></td><td></message>
2681: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2682: <message></td></tr><tr><td></message>
2683: <message><b>Bubble sheet type:</b></message>
2684: <message></td><td></message>
2685: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2686: $codechoice
2687: </dropdown>
2688: <message></td></tr><tr><td></table></message>
2689: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2690: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2691: <string variable="SINGLE_CODE" size="10">
2692: <validator>
2693: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2694: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2695: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2696: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2697: \$helper->{'VARS'}{'CODE_OPTION'});
2698: } else {
2699: return undef; # Other forces control us.
2700: }
2701: </validator>
2702: </string>
2703: <message></td></tr><tr><td></message>
2704: $code_selection
2705: <message></td></tr></table></message>
2706: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2707: <message><b>Select saved CODEs:</b></message>
2708: <message></td><td></message>
2709: <dropdown variable="REUSE_OLD_CODES">
2710: $namechoice
2711: </dropdown>
2712: <message></td></tr></table></message>
2713: </state>
2714: $resource_selector
2715: CHOOSE_ANON2
2716: }
2717:
2718: # FIXME: That RE should come from a library somewhere.
2719: if (($perm{'pav'}
2720: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
2721: && (defined($helper->{'VARS'}->{'construction'})
2722: ||
2723: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
2724: &&
2725: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
2726: ))
2727: && $helper->{VARS}->{'assignment'} eq ""
2728: ) {
2729:
2730: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
2731: push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$pretty_dir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2732: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2733: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
2734:
2735: <files variable="FILES" multichoice='1'>
2736: <nextstate>PAGESIZE</nextstate>
2737: <filechoice>return '$subdir';</filechoice>
2738: CHOOSE_FROM_SUBDIR
2739:
2740: # this is broken up because I really want interpolation above,
2741: # and I really DON'T want it below
2742: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2743: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2744: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2745: </filefilter>
2746: </files>
2747: </state>
2748: CHOOSE_FROM_SUBDIR
2749: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2750: }
2751:
2752: # Allow the user to select any sequence in the course, feed it to
2753: # another resource selector for that sequence
2754: if (!$helper->{VARS}->{'construction'} && !$is_published) {
2755: push @$printChoices, ["Selected <b>Resources</b> from <b>selected folder</b> in course",
2756: 'select_sequences', 'CHOOSE_SEQUENCE'];
2757: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2758: #Escape apostrophes and backslashes for Perl
2759: $escapedSequenceName =~ s/\\/\\\\/g;
2760: $escapedSequenceName =~ s/'/\\'/g;
2761: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2762: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2763: <message>Select the sequence to print resources from:</message>
2764: <resource variable="SEQUENCE">
2765: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2766: <filterfunc>return \$res->is_sequence;</filterfunc>
2767: <valuefunc>return $urlValue;</valuefunc>
2768: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2769: </choicefunc>
2770: </resource>
2771: </state>
2772: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2773: <message>(mark desired resources then click "next" button) <br /></message>
2774: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2775: closeallpages="1">
2776: <nextstate>PAGESIZE</nextstate>
2777: <filterfunc>return $isNotMap</filterfunc>
2778: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2779: <valuefunc>return $symbFilter;</valuefunc>
2780: $start_new_option
2781: </resource>
2782: </state>
2783: CHOOSE_FROM_ANY_SEQUENCE
2784: }
2785:
2786: # Generate the first state, to select which resources get printed.
2787: Apache::lonhelper::state->new("START", "Select Printing Options:");
2788: $paramHash = Apache::lonhelper::getParamHash();
2789: $paramHash->{MESSAGE_TEXT} = "";
2790: Apache::lonhelper::message->new();
2791: $paramHash = Apache::lonhelper::getParamHash();
2792: $paramHash->{'variable'} = 'PRINT_TYPE';
2793: $paramHash->{CHOICES} = $printChoices;
2794: Apache::lonhelper::choices->new();
2795:
2796: my $startedTable = 0; # have we started an HTML table yet? (need
2797: # to close it later)
2798:
2799: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2800: ($helper->{VARS}->{'construction'} eq '1')) {
2801: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2802: $paramHash = Apache::lonhelper::getParamHash();
2803: $paramHash->{'variable'} = 'ANSWER_TYPE';
2804: $helper->declareVar('ANSWER_TYPE');
2805: $paramHash->{CHOICES} = [
2806: ['Without Answers', 'yes'],
2807: ['With Answers', 'no'],
2808: ['Only Answers', 'only']
2809: ];
2810: Apache::lonhelper::dropdown->new();
2811: addMessage("</td></tr>");
2812: $startedTable = 1;
2813: }
2814:
2815: if ($perm{'pav'}) {
2816: if (!$startedTable) {
2817: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2818: $startedTable = 1;
2819: } else {
2820: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2821: }
2822: $paramHash = Apache::lonhelper::getParamHash();
2823: $paramHash->{'variable'} = 'LATEX_TYPE';
2824: $helper->declareVar('LATEX_TYPE');
2825: if ($helper->{VARS}->{'construction'} eq '1') {
2826: $paramHash->{CHOICES} = [
2827: ['standard LaTeX mode', 'standard'],
2828: ['LaTeX batchmode', 'batchmode'], ];
2829: } else {
2830: $paramHash->{CHOICES} = [
2831: ['LaTeX batchmode', 'batchmode'],
2832: ['standard LaTeX mode', 'standard'] ];
2833: }
2834: Apache::lonhelper::dropdown->new();
2835:
2836: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2837: $paramHash = Apache::lonhelper::getParamHash();
2838: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2839: $helper->declareVar('TABLE_CONTENTS');
2840: $paramHash->{CHOICES} = [
2841: ['No', 'no'],
2842: ['Yes', 'yes'] ];
2843: Apache::lonhelper::dropdown->new();
2844: addMessage("</td></tr>");
2845:
2846: if (not $helper->{VARS}->{'construction'}) {
2847: addMessage("<tr><td align='right'>Print Index: </td><td>");
2848: $paramHash = Apache::lonhelper::getParamHash();
2849: $paramHash->{'variable'} = 'TABLE_INDEX';
2850: $helper->declareVar('TABLE_INDEX');
2851: $paramHash->{CHOICES} = [
2852: ['No', 'no'],
2853: ['Yes', 'yes'] ];
2854: Apache::lonhelper::dropdown->new();
2855: addMessage("</td></tr>");
2856: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2857: $paramHash = Apache::lonhelper::getParamHash();
2858: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2859: $helper->declareVar('PRINT_DISCUSSIONS');
2860: $paramHash->{CHOICES} = [
2861: ['No', 'no'],
2862: ['Yes', 'yes'] ];
2863: Apache::lonhelper::dropdown->new();
2864: addMessage("</td></tr>");
2865:
2866: addMessage("<tr><td align = 'right'> </td><td>");
2867: $paramHash = Apache::lonhelper::getParamHash();
2868: $paramHash->{'multichoice'} = "true";
2869: $paramHash->{'allowempty'} = "true";
2870: $paramHash->{'variable'} = "showallfoils";
2871: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2872: Apache::lonhelper::choices->new();
2873: addMessage("</td></tr>");
2874: }
2875:
2876: if ($helper->{'VARS'}->{'construction'}) {
2877: my $stylevalue=$env{'construct.style'};
2878: my $xmlfrag .= <<"RNDSEED";
2879: <message><tr><td align='right'>Use random seed: </td><td></message>
2880: <string variable="curseed" size="15" maxlength="15">
2881: <defaultvalue>
2882: return $helper->{VARS}->{'curseed'};
2883: </defaultvalue>
2884: </string>
2885: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2886: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
2887: <choices allowempty="1" multichoice="true" variable="showallfoils">
2888: <choice computer="1">Show all foils?</choice>
2889: </choices>
2890: <message></td></tr></message>
2891: RNDSEED
2892: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2893: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2894:
2895: }
2896: }
2897:
2898:
2899:
2900:
2901: if ($startedTable) {
2902: addMessage("</table>");
2903: }
2904:
2905: Apache::lonprintout::page_format_state->new("FORMAT");
2906:
2907: # Generate the PAGESIZE state which will offer the user the margin
2908: # choices if they select one column
2909: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2910: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2911:
2912:
2913: $helper->process();
2914:
2915:
2916: # MANUAL BAILOUT CONDITION:
2917: # If we're in the "final" state, bailout and return to handler
2918: if ($helper->{STATE} eq 'FINAL') {
2919: return $helper;
2920: }
2921:
2922: $r->print($helper->display());
2923: if ($helper->{STATE} eq 'START') {
2924: &recently_generated($r);
2925: }
2926: &Apache::lonhelper::unregisterHelperTags();
2927:
2928: return OK;
2929: }
2930:
2931:
2932: 1;
2933:
2934: package Apache::lonprintout::page_format_state;
2935:
2936: =pod
2937:
2938: =head1 Helper element: page_format_state
2939:
2940: See lonhelper.pm documentation for discussion of the helper framework.
2941:
2942: Apache::lonprintout::page_format_state is an element that gives the
2943: user an opportunity to select the page layout they wish to print
2944: with: Number of columns, portrait/landscape, and paper size. If you
2945: want to change the paper size choices, change the @paperSize array
2946: contents in this package.
2947:
2948: page_format_state is always directly invoked in lonprintout.pm, so there
2949: is no tag interface. You actually pass parameters to the constructor.
2950:
2951: =over 4
2952:
2953: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2954:
2955: =back
2956:
2957: =cut
2958:
2959: use Apache::lonhelper;
2960:
2961: no strict;
2962: @ISA = ("Apache::lonhelper::element");
2963: use strict;
2964: use Apache::lonlocal;
2965: use Apache::lonnet;
2966:
2967: my $maxColumns = 2;
2968: # it'd be nice if these all worked
2969: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2970: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2971: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2972: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2973: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2974: "a4 [210x297 mm]");
2975:
2976: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2977: # Paper type
2978:
2979: sub new {
2980: my $self = Apache::lonhelper::element->new();
2981:
2982: shift;
2983:
2984: $self->{'variable'} = shift;
2985: my $helper = Apache::lonhelper::getHelper();
2986: $helper->declareVar($self->{'variable'});
2987: bless($self);
2988: return $self;
2989: }
2990:
2991: sub render {
2992: my $self = shift;
2993: my $helper = Apache::lonhelper::getHelper();
2994: my $result = '';
2995: my $var = $self->{'variable'};
2996: my $PageLayout=&mt('Page layout');
2997: my $NumberOfColumns=&mt('Number of columns');
2998: my $PaperType=&mt('Paper type');
2999: $result .= <<STATEHTML;
3000:
3001: <hr width="33%" />
3002: <table cellpadding="3">
3003: <tr>
3004: <td align="center"><b>$PageLayout</b></td>
3005: <td align="center"><b>$NumberOfColumns</b></td>
3006: <td align="center"><b>$PaperType</b></td>
3007: </tr>
3008: <tr>
3009: <td>
3010: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
3011: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
3012: </td>
3013: <td align="center">
3014: <select name="${var}.cols">
3015: STATEHTML
3016:
3017: my $i;
3018: for ($i = 1; $i <= $maxColumns; $i++) {
3019: if ($i == 2) {
3020: $result .= "<option value='$i' selected>$i</option>\n";
3021: } else {
3022: $result .= "<option value='$i'>$i</option>\n";
3023: }
3024: }
3025:
3026: $result .= "</select></td><td>\n";
3027: $result .= "<select name='${var}.paper'>\n";
3028:
3029: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3030: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
3031: $DefaultPaperSize=~s/\s//g;
3032: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
3033: $i = 0;
3034: foreach (@paperSize) {
3035: $_=~/(\w+)/;
3036: my $papersize=$1;
3037: if ($paperSize[$i]=~/$DefaultPaperSize/) {
3038: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
3039: } else {
3040: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
3041: }
3042: $i++;
3043: }
3044: $result .= "</select></td></tr></table>";
3045: return $result;
3046: }
3047:
3048: sub postprocess {
3049: my $self = shift;
3050:
3051: my $var = $self->{'variable'};
3052: my $helper = Apache::lonhelper->getHelper();
3053: $helper->{VARS}->{$var} =
3054: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
3055: $env{"form.$var.paper"};
3056: return 1;
3057: }
3058:
3059: 1;
3060:
3061: package Apache::lonprintout::page_size_state;
3062:
3063: =pod
3064:
3065: =head1 Helper element: page_size_state
3066:
3067: See lonhelper.pm documentation for discussion of the helper framework.
3068:
3069: Apache::lonprintout::page_size_state is an element that gives the
3070: user the opportunity to further refine the page settings if they
3071: select a single-column page.
3072:
3073: page_size_state is always directly invoked in lonprintout.pm, so there
3074: is no tag interface. You actually pass parameters to the constructor.
3075:
3076: =over 4
3077:
3078: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
3079:
3080: =back
3081:
3082: =cut
3083:
3084: use Apache::lonhelper;
3085: use Apache::lonnet;
3086: no strict;
3087: @ISA = ("Apache::lonhelper::element");
3088: use strict;
3089:
3090:
3091:
3092: sub new {
3093: my $self = Apache::lonhelper::element->new();
3094:
3095: shift; # disturbs me (probably prevents subclassing) but works (drops
3096: # package descriptor)... - Jeremy
3097:
3098: $self->{'variable'} = shift;
3099: my $helper = Apache::lonhelper::getHelper();
3100: $helper->declareVar($self->{'variable'});
3101:
3102: # The variable name of the format element, so we can look into
3103: # $helper->{VARS} to figure out whether the columns are one or two
3104: $self->{'formatvar'} = shift;
3105:
3106:
3107: $self->{NEXTSTATE} = shift;
3108: bless($self);
3109:
3110: return $self;
3111: }
3112:
3113: sub render {
3114: my $self = shift;
3115: my $helper = Apache::lonhelper::getHelper();
3116: my $result = '';
3117: my $var = $self->{'variable'};
3118:
3119:
3120:
3121: if (defined $self->{ERROR_MSG}) {
3122: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
3123: }
3124:
3125: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3126:
3127: # Use format to get sensible defaults for the margins:
3128:
3129:
3130: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3131: ($papersize) = split(/ /, $papersize);
3132:
3133:
3134: if ($laystyle eq 'L') {
3135: $laystyle = 'album';
3136: } else {
3137: $laystyle = 'book';
3138: }
3139:
3140:
3141: my %size;
3142: ($size{'width_and_units'},
3143: $size{'height_and_units'},
3144: $size{'margin_and_units'})=
3145: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3146:
3147: foreach my $dimension ('width','height','margin') {
3148: ($size{$dimension},$size{$dimension.'_unit'}) =
3149: split(/ +/, $size{$dimension.'_and_units'},2);
3150:
3151: foreach my $unit ('cm','in') {
3152: $size{$dimension.'_options'} .= '<option ';
3153: if ($size{$dimension.'_unit'} eq $unit) {
3154: $size{$dimension.'_options'} .= 'selected="selected" ';
3155: }
3156: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
3157: }
3158: }
3159:
3160: # Adjust margin for LaTeX margin: .. requires units == cm or in.
3161:
3162: if ($size{'margin_unit'} eq 'in') {
3163: $size{'margin'} += 1;
3164: } else {
3165: $size{'margin'} += 2.54;
3166: }
3167: $result .= <<ELEMENTHTML;
3168:
3169:
3170:
3171: <p>How should each column be formatted?</p>
3172:
3173: <table cellpadding='3'>
3174: <tr>
3175: <td align='right'><b>Width</b>:</td>
3176: <td align='left'><input type='text' name='$var.width' value="$size{'width'}" size='4' /></td>
3177: <td align='left'>
3178: <select name='$var.widthunit'>
3179: $size{'width_options'}
3180: </select>
3181: </td>
3182: </tr>
3183: <tr>
3184: <td align='right'><b>Height</b>:</td>
3185: <td align='left'><input type='text' name="$var.height" value="$size{'height'}" size='4' /></td>
3186: <td align='left'>
3187: <select name='$var.heightunit'>
3188: $size{'height_options'}
3189: </select>
3190: </td>
3191: </tr>
3192: <tr>
3193: <td align='right'><b>Left margin</b>:</td>
3194: <td align='left'><input type='text' name='$var.lmargin' value="$size{'margin'}" size='4' /></td>
3195: <td align='left'>
3196: <select name='$var.lmarginunit'>
3197: $size{'margin_options'}
3198: </select>
3199: </td>
3200: </tr>
3201: </table>
3202:
3203: <!--<p>Hint: Some instructors like to leave scratch space for the student by
3204: making the width much smaller than the width of the page.</p>-->
3205:
3206: ELEMENTHTML
3207:
3208: return $result;
3209: }
3210:
3211:
3212: sub preprocess {
3213: my $self = shift;
3214: my $helper = Apache::lonhelper::getHelper();
3215:
3216: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3217:
3218: # If the user does not have 'pav' privilege, set default widths and
3219: # on to the next state right away.
3220: #
3221: if (!$perm{'pav'}) {
3222: my $var = $self->{'variable'};
3223: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3224:
3225: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3226: ($papersize) = split(/ /, $papersize);
3227:
3228:
3229: if ($laystyle eq 'L') {
3230: $laystyle = 'album';
3231: } else {
3232: $laystyle = 'book';
3233: }
3234: # Figure out some good defaults for the print out and set them:
3235:
3236: my %size;
3237: ($size{'width'},
3238: $size{'height'},
3239: $size{'lmargin'})=
3240: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3241:
3242: foreach my $dim ('width', 'height', 'lmargin') {
3243: my ($value, $units) = split(/ /, $size{$dim});
3244:
3245: $helper->{VARS}->{"$var.".$dim} = $value;
3246: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
3247:
3248: }
3249:
3250:
3251: # Transition to the next state
3252:
3253: $helper->changeState($self->{NEXTSTATE});
3254: }
3255:
3256: return 1;
3257: }
3258:
3259: sub postprocess {
3260: my $self = shift;
3261:
3262: my $var = $self->{'variable'};
3263: my $helper = Apache::lonhelper->getHelper();
3264: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
3265: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
3266: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
3267: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
3268: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
3269: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
3270:
3271: my $error = '';
3272:
3273: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
3274: # by an optional period, followed by digits, ending the string
3275:
3276: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3277: $error .= "Invalid width; please type only a number.<br />\n";
3278: }
3279: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3280: $error .= "Invalid height; please type only a number.<br />\n";
3281: }
3282: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3283: $error .= "Invalid left margin; please type only a number.<br />\n";
3284: } else {
3285: # Adjust for LaTeX 1.0 inch margin:
3286:
3287: if ($env{"form.${var}.lmarginunit"} eq "in") {
3288: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
3289: } else {
3290: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
3291: }
3292: }
3293:
3294: if (!$error) {
3295: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
3296: return 1;
3297: } else {
3298: $self->{ERROR_MSG} = $error;
3299: return 0;
3300: }
3301: }
3302:
3303:
3304:
3305: __END__
3306:
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