1: #
2: # The LearningOnline Network
3: # Printout
4: #
5: # $Id: lonprintout.pm,v 1.492 2006/11/20 11:01:50 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;/--/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: return $result;
701: }
702:
703:
704: #width, height, oddsidemargin, evensidemargin, topmargin
705: my %page_formats=
706: ('letter' => {
707: 'book' => {
708: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
709: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
710: },
711: 'album' => {
712: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','1 cm'],
713: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
714: },
715: },
716: 'legal' => {
717: 'book' => {
718: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
719: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
720: },
721: 'album' => {
722: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
723: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
724: },
725: },
726: 'tabloid' => {
727: 'book' => {
728: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
729: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
730: },
731: 'album' => {
732: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
733: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
734: },
735: },
736: 'executive' => {
737: 'book' => {
738: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
739: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
740: },
741: 'album' => {
742: '1' => [],
743: '2' => []
744: },
745: },
746: 'a2' => {
747: 'book' => {
748: '1' => [],
749: '2' => []
750: },
751: 'album' => {
752: '1' => [],
753: '2' => []
754: },
755: },
756: 'a3' => {
757: 'book' => {
758: '1' => [],
759: '2' => []
760: },
761: 'album' => {
762: '1' => [],
763: '2' => []
764: },
765: },
766: 'a4' => {
767: 'book' => {
768: '1' => ['17.6 cm','27.2 cm','-0.55 in','-0.83 in','-0.5 in'],
769: '2' => [ '9.1 cm','27.2 cm','-0.55 in','-0.83 in','-0.5 in']
770: },
771: 'album' => {
772: '1' => ['8.5 in','7.7 in','-0.55 in','-0.83 in','0 in'],
773: '2' => ['3.9 in','7.7 in','-0.55 in','-0.83 in','0 in']
774: },
775: },
776: 'a5' => {
777: 'book' => {
778: '1' => [],
779: '2' => []
780: },
781: 'album' => {
782: '1' => [],
783: '2' => []
784: },
785: },
786: 'a6' => {
787: 'book' => {
788: '1' => [],
789: '2' => []
790: },
791: 'album' => {
792: '1' => [],
793: '2' => []
794: },
795: },
796: );
797:
798: sub page_format {
799: #
800: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
801: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
802: # "A2 [420x594 mm]", "A3 [297x420 mm]",
803: # "A4 [210x297 mm]", "A5 [148x210 mm]",
804: # "A6 [105x148 mm]"
805: #
806: my ($papersize,$layout,$numberofcolumns) = @_;
807: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
808: }
809:
810:
811: sub get_name {
812: my ($uname,$udom)=@_;
813: if (!defined($uname)) { $uname=$env{'user.name'}; }
814: if (!defined($udom)) { $udom=$env{'user.domain'}; }
815: my $plainname=&Apache::loncommon::plainname($uname,$udom);
816: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
817: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
818: return $plainname;
819: }
820:
821: sub get_course {
822: my $courseidinfo;
823: if (defined($env{'request.course.id'})) {
824: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
825: }
826: return $courseidinfo;
827: }
828:
829: sub page_format_transformation {
830: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
831: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
832:
833: if ($selectionmade eq '4') {
834: $assignment='Problems from the Whole Course';
835: } else {
836: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
837: }
838: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
839:
840:
841: my $name = &get_name();
842: my $courseidinfo = &get_course();
843: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
844: my $header_text = $parmhash{'print_header_format'};
845: $header_text = &format_page_header($textwidth, $header_text, $assignment,
846: $courseidinfo, $name);
847: my $topmargintoinsert = '';
848: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
849: my $fancypagestatement='';
850: if ($numberofcolumns eq '2') {
851: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
852: } else {
853: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
854: }
855: if ($layout eq 'album') {
856: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
857: } elsif ($layout eq 'book') {
858: if ($choice ne 'All class print') {
859: $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/;
860: } else {
861: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
862: }
863: if ($papersize eq 'a4') {
864: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
865: }
866: }
867: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
868: if ($indexlist eq 'yes') {
869: $text=~s/(\\begin{document})/\\makeindex $1/;
870: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
871: }
872: return $text;
873: }
874:
875:
876: sub page_cleanup {
877: my $result = shift;
878:
879: $result =~ m/\\end{document}(\d*)$/;
880: my $number_of_columns = $1;
881: my $insert = '{';
882: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
883: $insert .= '}';
884: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
885: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
886: return $result,$number_of_columns;
887: }
888:
889:
890: sub details_for_menu {
891: my ($helper)=@_;
892: my $postdata=$env{'form.postdata'};
893: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
894: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
895: my $symbolic = &Apache::lonnet::symbread($postdata);
896: return if ( $symbolic eq '');
897:
898: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
899: $map=&Apache::lonnet::clutter($map);
900: my $name_of_sequence = &Apache::lonnet::gettitle($map);
901: if ($name_of_sequence =~ /^\s*$/) {
902: $map =~ m|([^/]+)$|;
903: $name_of_sequence = $1;
904: }
905: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
906: if ($name_of_map =~ /^\s*$/) {
907: $env{'request.course.uri'} =~ m|([^/]+)$|;
908: $name_of_map = $1;
909: }
910: return ($name_of_resource,$name_of_sequence,$name_of_map);
911: }
912:
913: sub copyright_line {
914: 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 } ';
915: }
916: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
917:
918: sub latex_corrections {
919: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
920: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
921: my $copyright = ©right_line();
922: if ($selectionmade eq '1' || $answer_mode eq 'only') {
923: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
924: } else {
925: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
926: }
927: $result =~ s/\$number_of_columns/$number_of_columns/g;
928: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
929: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
930: #-- LaTeX corrections
931: my $first_comment = index($result,'<!--',0);
932: while ($first_comment != -1) {
933: my $end_comment = index($result,'-->',$first_comment);
934: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
935: $first_comment = index($result,'<!--',$first_comment);
936: }
937: $result =~ s/^\s+$//gm; #remove empty lines
938: #removes more than one empty space
939: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
940: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
941: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
942: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
943: $result =~ s/\\\\\s+\[/ \[/g;
944: #conversion of html characters to LaTeX equivalents
945: if ($result =~ m/&(\w+|#\d+);/) {
946: $result = &character_chart($result);
947: }
948: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
949: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
950: return $result;
951: }
952:
953:
954: sub index_table {
955: my $currentURL = shift;
956: my $insex_string='';
957: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
958: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
959: return $insex_string;
960: }
961:
962:
963: sub IndexCreation {
964: my ($texversion,$currentURL)=@_;
965: my @key_words=split(/,/,&index_table($currentURL));
966: my $chunk='';
967: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
968: if ($st>0) {
969: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
970: $chunk=substr($texversion,0,$st+1);
971: substr($texversion,0,$st+1)=' ';
972: }
973: foreach my $key_word (@key_words) {
974: if ($key_word=~/\S+/) {
975: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
976: }
977: }
978: if ($st>0) {substr($texversion,0,1)=$chunk;}
979: return $texversion;
980: }
981:
982: sub print_latex_header {
983: my $mode=shift;
984: my $output='\documentclass[letterpaper,twoside]{article}\raggedbottom';
985: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
986: $output.='\batchmode';
987: }
988: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
989: '\usepackage{multirow}'."\n".
990: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
991: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
992: '\usepackage{wrapfig}'.
993: '\usepackage{picins}\usepackage{calc}'."\n".
994: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
995: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
996: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
997: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
998: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
999: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
1000: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
1001: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
1002: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
1003: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
1004: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
1005: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
1006: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1007: return $output;
1008: }
1009:
1010: sub path_to_problem {
1011: my ($urlp,$colwidth)=@_;
1012: $urlp=&Apache::lonnet::clutter($urlp);
1013:
1014: my $newurlp = '';
1015: $colwidth=~s/\s*mm\s*$//;
1016: #characters average about 2 mm in width
1017: if (length($urlp)*2 > $colwidth) {
1018: my @elements = split('/',$urlp);
1019: my $curlength=0;
1020: foreach my $element (@elements) {
1021: if ($element eq '') { next; }
1022: if ($curlength+(length($element)*2) > $colwidth) {
1023: $newurlp .= '|\vskip -1 mm \verb|';
1024: $curlength=length($element)*2;
1025: } else {
1026: $curlength+=length($element)*2;
1027: }
1028: $newurlp.='/'.$element;
1029: }
1030: } else {
1031: $newurlp=$urlp;
1032: }
1033: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
1034: }
1035:
1036: sub recalcto_mm {
1037: my $textwidth=shift;
1038: my $LaTeXwidth;
1039: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1040: $LaTeXwidth = $1*10;
1041: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1042: $LaTeXwidth = $1;
1043: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1044: $LaTeXwidth = $1*25.4;
1045: }
1046: $LaTeXwidth.=' mm';
1047: return $LaTeXwidth;
1048: }
1049:
1050: sub get_textwidth {
1051: my ($helper,$LaTeXwidth)=@_;
1052: my $textwidth=$LaTeXwidth;
1053: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
1054: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1055: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
1056: $helper->{'VARS'}->{'pagesize.widthunit'});
1057: }
1058: return $textwidth;
1059: }
1060:
1061:
1062: sub unsupported {
1063: my ($currentURL,$mode,$symb)=@_;
1064: if ($mode ne '') {$mode='\\'.$mode}
1065: my $result.= &print_latex_header($mode);
1066: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
1067: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
1068: my $title=&Apache::lonnet::gettitle($symb);
1069: $title = &Apache::lonxml::latex_special_symbols($title);
1070: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1071: } else {
1072: $result.=$currentURL;
1073: }
1074: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1075: return $result;
1076: }
1077:
1078:
1079: #
1080: # List of recently generated print files
1081: #
1082: sub recently_generated {
1083: my $r=shift;
1084: my $prtspool=$r->dir_config('lonPrtDir');
1085: my $zip_result;
1086: my $pdf_result;
1087: opendir(DIR,$prtspool);
1088:
1089: my @files =
1090: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1091: closedir(DIR);
1092:
1093: @files = sort {
1094: my ($actime) = (stat($prtspool.'/'.$a))[10];
1095: my ($bctime) = (stat($prtspool.'/'.$b))[10];
1096: return $bctime <=> $actime;
1097: } (@files);
1098:
1099: foreach my $filename (@files) {
1100: my ($ext) = ($filename =~ m/(pdf|zip)$/);
1101: my ($cdev,$cino,$cmode,$cnlink,
1102: $cuid,$cgid,$crdev,$csize,
1103: $catime,$cmtime,$cctime,
1104: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1105: my $result="<a href='/prtspool/$filename'>".
1106: &mt('Generated [_1] ([_2] bytes)',
1107: &Apache::lonlocal::locallocaltime($cctime),$csize).
1108: '</a><br />';
1109: if ($ext eq 'pdf') { $pdf_result .= $result; }
1110: if ($ext eq 'zip') { $zip_result .= $result; }
1111: }
1112: if ($zip_result) {
1113: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
1114: .$zip_result);
1115: }
1116: if ($pdf_result) {
1117: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
1118: .$pdf_result);
1119: }
1120: }
1121:
1122: #
1123: # Retrieve the hash of page breaks.
1124: #
1125: # Inputs:
1126: # helper - reference to helper object.
1127: # Outputs
1128: # A reference to a page break hash.
1129: #
1130: #
1131: #use Data::Dumper;
1132: #sub dump_helper_vars {
1133: # my ($helper) = @_;
1134: # my $helpervars = Dumper($helper->{'VARS'});
1135: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
1136: #}
1137:
1138: sub get_page_breaks {
1139: my ($helper) = @_;
1140: my %page_breaks;
1141:
1142: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1143: $page_breaks{$break} = 1;
1144: }
1145: return %page_breaks;
1146: }
1147:
1148: # Output a sequence (recursively if neeed)
1149: # from construction space.
1150: # Parameters:
1151: # url = URL of the sequence to print.
1152: # helper - Reference to the helper hash.
1153: # form - Copy of the format hash.
1154: # LaTeXWidth
1155: # Returns:
1156: # Text to add to the printout.
1157: # NOTE if the first element of the outermost sequence
1158: # is itself a sequence, the outermost caller may need to
1159: # prefix the latex with the page headers stuff.
1160: #
1161: sub print_construction_sequence {
1162: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1163: my $result;
1164: my $rndseed=time;
1165: if ($helper->{'VARS'}->{'curseed'}) {
1166: $rndseed=$helper->{'VARS'}->{'curseed'};
1167: }
1168: my $errtext=&LONCAPA::map::mapread($currentURL);
1169: #
1170: # These make this all support recursing for subsequences.
1171: #
1172: my @order = @LONCAPA::map::order;
1173: my @resources = @LONCAPA::map::resources;
1174: for (my $member=0;$member<=$#order;$member++) {
1175: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
1176: my $urlp=$2;
1177: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1178: my $texversion='';
1179: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1180: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1181: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1182: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1183: $form{'rndseed'}=$rndseed;
1184: $resources_printed .=$urlp.':';
1185: $texversion=&Apache::lonnet::ssi($urlp,%form);
1186: }
1187: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1188: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1189: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1190: # Don't permanently modify %$form...
1191: my %answerform = %form;
1192: $answerform{'grade_target'}='answer';
1193: $answerform{'answer_output_mode'}='tex';
1194: $answerform{'rndseed'}=$rndseed;
1195: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1196: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1197: $resources_printed .= $urlp.':';
1198: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1199: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1200: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1201: } else {
1202: # If necessary, encapsulate answer in minipage:
1203:
1204: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1205: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
1206: $title = &Apache::lonxml::latex_special_symbols($title);
1207: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1208: $body.=&path_to_problem($urlp,$LaTeXwidth);
1209: $body.='\vskip 1 mm '.$answer.'\end{document}';
1210: $body = &encapsulate_minipage($body);
1211: $texversion.=$body;
1212: }
1213: }
1214: $texversion = &latex_header_footer_remove($texversion);
1215:
1216: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1217: $texversion=&IndexCreation($texversion,$urlp);
1218: }
1219: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1220: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1221: }
1222: $result.=$texversion;
1223:
1224: } elsif ($urlp=~/\.(sequence|page)$/) {
1225:
1226: # header:
1227:
1228: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1229:
1230: # IF sequence, recurse:
1231:
1232: if ($urlp =~ /\.sequence$/) {
1233: my $sequence_url = $urlp;
1234: my $domain = $env{'user.domain'}; # Constr. space only on local
1235: my $user = $env{'user.name'};
1236:
1237: $sequence_url =~ s/^\/res\/$domain/\/home/;
1238: $sequence_url =~ s/^(\/home\/$user)/$1\/public_html/;
1239: # $sequence_url =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1240: $result .= &print_construction_sequence($sequence_url,
1241: $helper, %form,
1242: $LaTeXwidth);
1243: }
1244: }
1245: }
1246: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1247: return $result;
1248: }
1249:
1250: sub output_data {
1251: my ($r,$helper,$rparmhash) = @_;
1252: my %parmhash = %$rparmhash;
1253: $resources_printed = '';
1254: my $js = <<ENDPART;
1255: <script type="text/javascript">
1256: var editbrowser;
1257: function openbrowser(formname,elementname,only,omit) {
1258: var url = '/res/?';
1259: if (editbrowser == null) {
1260: url += 'launch=1&';
1261: }
1262: url += 'catalogmode=interactive&';
1263: url += 'mode=parmset&';
1264: url += 'form=' + formname + '&';
1265: if (only != null) {
1266: url += 'only=' + only + '&';
1267: }
1268: if (omit != null) {
1269: url += 'omit=' + omit + '&';
1270: }
1271: url += 'element=' + elementname + '';
1272: var title = 'Browser';
1273: var options = 'scrollbars=1,resizable=1,menubar=0';
1274: options += ',width=700,height=600';
1275: editbrowser = open(url,title,options,'1');
1276: editbrowser.focus();
1277: }
1278: </script>
1279: ENDPART
1280:
1281: my $start_page = &Apache::loncommon::start_page('Preparing Printout',$js);
1282: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1283:
1284: $r->print($start_page."\n<p>\n$msg\n</p>\n");
1285:
1286: # fetch the pagebreaks and store them in the course environment
1287: # The page breaks will be pulled into the hash %page_breaks which is
1288: # indexed by symb and contains 1's for each break.
1289:
1290: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1291: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1292: &Apache::loncommon::store_course_settings('print',
1293: {'pagebreaks' => 'scalar',
1294: 'lastprinttype' => 'scalar'});
1295:
1296: my %page_breaks = &get_page_breaks($helper);
1297:
1298: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1299: my ($result,$selectionmade) = ('','');
1300: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1301: my @temporary_array=split /\|/,$format_from_helper;
1302: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1303: if ($laystyle eq 'L') {
1304: $laystyle='album';
1305: } else {
1306: $laystyle='book';
1307: }
1308: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1309: my $assignment = $env{'form.assignment'};
1310: my $LaTeXwidth=&recalcto_mm($textwidth);
1311: my @print_array=();
1312: my @student_names=();
1313:
1314: # Common settings for the %form has:
1315: # In some cases these settings get overriddent by specific cases, but the
1316: # settings are common enough to make it worthwhile factoring them out
1317: # here.
1318: #
1319: my %form;
1320: $form{'grade_target'} = 'tex';
1321: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1322:
1323: # If form.showallfoils is set, then request all foils be shown:
1324: # privilege will be enforced both by not allowing the
1325: # check box selecting this option to be presnt unless it's ok,
1326: # and by lonresponse's priv. check.
1327: # The if is here because lonresponse.pm only cares that
1328: # showallfoils is defined, not what the value is.
1329:
1330: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1331: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1332: }
1333:
1334: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1335: #-- single document - problem, page, html, xml, ...
1336: my ($currentURL,$cleanURL);
1337:
1338: if ($helper->{'VARS'}->{'construction'} ne '1') {
1339: #prints published resource
1340: $currentURL=$helper->{'VARS'}->{'postdata'};
1341: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1342: } else {
1343: #prints resource from the construction space
1344: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1345: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1346: $cleanURL=$currentURL;
1347: }
1348: $selectionmade = 1;
1349: if ($cleanURL!~m|^/adm/|
1350: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1351: my $rndseed=time;
1352: my $texversion='';
1353: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1354: my %moreenv;
1355: $moreenv{'request.filename'}=$cleanURL;
1356: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1357: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1358: my $dom = $env{'user.domain'};
1359: my $user = $env{'user.name'};
1360: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1361: }
1362: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1363: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1364: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1365: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1366: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1367: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1368: if ($helper->{'VARS'}->{'curseed'}) {
1369: $rndseed=$helper->{'VARS'}->{'curseed'};
1370: }
1371: $form{'rndseed'}=$rndseed;
1372: &Apache::lonnet::appenv(%moreenv);
1373:
1374: &Apache::lonxml::clear_problem_counter();
1375:
1376: $resources_printed .= $currentURL.':';
1377: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1378:
1379: &Apache::lonxml::clear_problem_counter();
1380:
1381: &Apache::lonnet::delenv('request.filename');
1382: }
1383: # current document with answers.. no need to encap in minipage
1384: # since there's only one answer.
1385:
1386: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1387: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1388: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1389: $form{'grade_target'}='answer';
1390: $form{'answer_output_mode'}='tex';
1391: $form{'rndseed'}=$rndseed;
1392: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1393: $form{'problemtype'}='exam';
1394: }
1395: $resources_printed .= $currentURL.':';
1396: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1397: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1398: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1399: } else {
1400: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1401: if ($helper->{'VARS'}->{'construction'} ne '1') {
1402: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
1403: $title = &Apache::lonxml::latex_special_symbols($title);
1404: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1405: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1406: } else {
1407: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1408: my $URLpath=$cleanURL;
1409: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1410: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1411: }
1412: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1413: }
1414: }
1415: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1416: $texversion=&IndexCreation($texversion,$currentURL);
1417: }
1418: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1419: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1420:
1421: }
1422: $result .= $texversion;
1423: if ($currentURL=~m/\.page\s*$/) {
1424: ($result,$number_of_columns) = &page_cleanup($result);
1425: }
1426: } elsif ($cleanURL!~m|^/adm/|
1427: && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1428: #printing content of sequence from the construction space
1429: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1430: $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1431: $result .= &print_construction_sequence($currentURL, $helper, %form,
1432: $LaTeXwidth);
1433: $result .= '\end{document}';
1434: if (!($result =~ /\\begin\{document\}/)) {
1435: $result = &print_latex_header() . $result;
1436: }
1437: # End construction space sequence.
1438: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1439: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1440: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1441: $resources_printed .= $currentURL.':';
1442: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1443: $result .= $texversion;
1444: } else {
1445: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
1446: $helper->{'VARS'}->{'symb'});
1447: }
1448: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1449: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1450: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1451: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1452: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1453: #-- produce an output string
1454: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1455: $selectionmade = 2;
1456: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1457: $selectionmade = 3;
1458: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1459: $selectionmade = 4;
1460: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1461: $selectionmade = 4;
1462: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1463: $selectionmade = 7;
1464: }
1465: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1466: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1467: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1468: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1469: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1470: my $flag_latex_header_remove = 'NO';
1471: my $flag_page_in_sequence = 'NO';
1472: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1473: my $prevassignment='';
1474:
1475: &Apache::lonxml::clear_problem_counter();
1476:
1477: my $pbreakresources = keys %page_breaks;
1478: for (my $i=0;$i<=$#master_seq;$i++) {
1479:
1480: # Note due to document structure, not allowed to put \newpage
1481: # prior to the first resource
1482:
1483: if (defined $page_breaks{$master_seq[$i]}) {
1484: if($i != 0) {
1485: $result.="\\newpage\n";
1486: }
1487: }
1488: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1489: $urlp=&Apache::lonnet::clutter($urlp);
1490: $form{'symb'}=$master_seq[$i];
1491:
1492: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1493: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1494: if ($i==0) {$prevassignment=$assignment;}
1495: my $texversion='';
1496: if ($urlp!~m|^/adm/|
1497: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1498: $resources_printed .= $urlp.':';
1499:
1500: &Apache::lonxml::remember_problem_counter();
1501: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1502: if ($urlp=~/\.page$/) {
1503: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1504: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1505: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1506: $flag_page_in_sequence = 'YES';
1507: }
1508:
1509: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1510: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1511: # Don't permanently pervert the %form hash
1512: my %answerform = %form;
1513: $answerform{'grade_target'}='answer';
1514: $answerform{'answer_output_mode'}='tex';
1515: $resources_printed .= $urlp.':';
1516:
1517: &Apache::lonxml::restore_problem_counter();
1518: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1519:
1520: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1521: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1522: } else {
1523: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1524: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1525: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
1526: $title = &Apache::lonxml::latex_special_symbols($title);
1527: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1528: $body .= &path_to_problem ($urlp,$LaTeXwidth);
1529: $body .='\vskip 1 mm '.$answer;
1530: $body = &encapsulate_minipage($body);
1531: $texversion .= $body;
1532: } else {
1533: $texversion='';
1534: }
1535: }
1536: }
1537: if ($flag_latex_header_remove ne 'NO') {
1538: $texversion = &latex_header_footer_remove($texversion);
1539: } else {
1540: $texversion =~ s/\\end{document}//;
1541: }
1542: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1543: $texversion=&IndexCreation($texversion,$urlp);
1544: }
1545: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1546: my $name = &get_name();
1547: my $courseidinfo = &get_course();
1548: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1549: $prevassignment=$assignment;
1550: my $header_text = $parmhash{'print_header_format'};
1551: $header_text = &format_page_header($textwidth, $header_text,
1552: $assignment,
1553: $courseidinfo,
1554: $name);
1555: if ($numberofcolumns eq '1') {
1556: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1557: } else {
1558: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1559: }
1560: }
1561: $result .= $texversion;
1562: $flag_latex_header_remove = 'YES';
1563: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1564: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1565: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1566: $resources_printed .= $urlp.':';
1567: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1568: if ($flag_latex_header_remove ne 'NO') {
1569: $texversion = &latex_header_footer_remove($texversion);
1570: } else {
1571: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1572: }
1573: $result .= $texversion;
1574: $flag_latex_header_remove = 'YES';
1575: } else {
1576: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
1577: $master_seq[$i]);
1578: if ($flag_latex_header_remove ne 'NO') {
1579: $texversion = &latex_header_footer_remove($texversion);
1580: } else {
1581: $texversion =~ s/\\end{document}//;
1582: }
1583: $result .= $texversion;
1584: $flag_latex_header_remove = 'YES';
1585: }
1586: if (&Apache::loncommon::connection_aborted($r)) { last; }
1587: }
1588: &Apache::lonxml::clear_problem_counter();
1589: if ($flag_page_in_sequence eq 'YES') {
1590: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1591: }
1592: $result .= '\end{document}';
1593: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1594: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1595:
1596:
1597: #-- prints assignments for whole class or for selected students
1598: my $type;
1599: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1600: $selectionmade=5;
1601: $type='problems';
1602: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1603: $selectionmade=8;
1604: $type='resources';
1605: }
1606: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1607: # The normal sort order is by section then by students within the
1608: # section. If the helper var student_sort is 1, then the user has elected
1609: # to override this and output the students by name.
1610: # Each element of the students array is of the form:
1611: # username:domain:section:last, first:status
1612: #
1613: # Note that student sort is not compatible with printing
1614: # 1 section per pdf...so that setting overrides.
1615: #
1616: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
1617: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1618: @students = sort compare_names @students;
1619: }
1620: &adjust_number_to_print($helper);
1621:
1622: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1623: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1624: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1625: }
1626: # If we are splitting on section boundaries, we need
1627: # to remember that in split_on_sections and
1628: # print all of the students in the list.
1629: #
1630: my $split_on_sections = 0;
1631: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
1632: $split_on_sections = 1;
1633: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
1634: }
1635: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1636:
1637: #loop over students
1638: my $flag_latex_header_remove = 'NO';
1639: my %moreenv;
1640: $moreenv{'instructor_comments'}='hide';
1641: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1642: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1643: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1644: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1645: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1646: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1647: my $student_counter=-1;
1648: my $i = 0;
1649: my $last_section = (split(/:/,$students[0]))[2];
1650: foreach my $person (@students) {
1651:
1652: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1653: if (-e $duefile) {
1654: my $temp_file = Apache::File->new('>>'.$duefile);
1655: print $temp_file "1969\n";
1656: }
1657: $student_counter++;
1658: if ($split_on_sections) {
1659: my $this_section = (split(/:/,$person))[2];
1660: if ($this_section ne $last_section) {
1661: $i++;
1662: $last_section = $this_section;
1663: }
1664: } else {
1665: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1666: }
1667: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1668: $person,$type,
1669: \%moreenv,\@master_seq,
1670: $flag_latex_header_remove,
1671: $LaTeXwidth);
1672: $resources_printed .= ":";
1673: $print_array[$i].=$output;
1674: $student_names[$i].=$person.':'.$fullname.'_END_';
1675: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1676: $flag_latex_header_remove = 'YES';
1677: if (&Apache::loncommon::connection_aborted($r)) { last; }
1678: }
1679: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1680: $result .= $print_array[0].' \end{document}';
1681: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1682: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1683: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1684: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1685: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1686: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1687: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1688: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1689: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1690:
1691: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1692: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1693: my ($code_type,$code_length)=('letter',6);
1694: foreach my $line (<FH>) {
1695: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1696: if ($name eq $code_option) {
1697: $code_length=$length;
1698: if ($type eq 'number') { $code_type = 'number'; }
1699: }
1700: }
1701: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1702: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1703: $moreenv{'instructor_comments'}='hide';
1704: my $seed=time+($$<<16)+($$);
1705: my @allcodes;
1706: if ($old_name) {
1707: my %result=&Apache::lonnet::get('CODEs',
1708: [$old_name,"type\0$old_name"],
1709: $cdom,$cnum);
1710: $code_type=$result{"type\0$old_name"};
1711: @allcodes=split(',',$result{$old_name});
1712: $num_todo=scalar(@allcodes);
1713: } elsif ($selected_code) { # Selection value is always numeric.
1714: $num_todo = 1;
1715: @allcodes = ($selected_code);
1716: } elsif ($single_code) {
1717:
1718: $num_todo = 1; # Unconditionally one code to do.
1719: # If an alpha code have to convert to numbers so it can be
1720: # converted back to letters again :-)
1721: #
1722: if ($code_type ne 'number') {
1723: $single_code = &letters_to_num($single_code);
1724: }
1725: @allcodes = ($single_code);
1726: } else {
1727: my %allcodes;
1728: srand($seed);
1729: for (my $i=0;$i<$num_todo;$i++) {
1730: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1731: $code_type);
1732: }
1733: if ($code_name) {
1734: &Apache::lonnet::put('CODEs',
1735: {
1736: $code_name =>join(',',keys(%allcodes)),
1737: "type\0$code_name" => $code_type
1738: },
1739: $cdom,$cnum);
1740: }
1741: @allcodes=keys(%allcodes);
1742: }
1743: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1744: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1745: &adjust_number_to_print($helper);
1746: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1747: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1748: $number_per_page=$num_todo;
1749: }
1750: my $flag_latex_header_remove = 'NO';
1751: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1752: my $count=0;
1753: foreach my $code (sort(@allcodes)) {
1754: my $file_num=int($count/$number_per_page);
1755: if ($code_type eq 'number') {
1756: $moreenv{'CODE'}=$code;
1757: } else {
1758: $moreenv{'CODE'}=&num_to_letters($code);
1759: }
1760: my ($output,$fullname, $printed)=
1761: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1762: \@master_seq,$flag_latex_header_remove,
1763: $LaTeXwidth);
1764: $resources_printed .= ":";
1765: $print_array[$file_num].=$output;
1766: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1767: &mt('last assignment').' '.$fullname);
1768: $flag_latex_header_remove = 'YES';
1769: $count++;
1770: if (&Apache::loncommon::connection_aborted($r)) { last; }
1771: }
1772: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1773: $result .= $print_array[0].' \end{document}';
1774: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1775: #prints selected problems from the subdirectory
1776: $selectionmade = 6;
1777: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1778: @list_of_files=sort @list_of_files;
1779: my $flag_latex_header_remove = 'NO';
1780: my $rndseed=time;
1781: if ($helper->{'VARS'}->{'curseed'}) {
1782: $rndseed=$helper->{'VARS'}->{'curseed'};
1783: }
1784: for (my $i=0;$i<=$#list_of_files;$i++) {
1785: my $urlp = $list_of_files[$i];
1786: $urlp=~s|//|/|;
1787: if ($urlp=~/\//) {
1788: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1789: $form{'rndseed'}=$rndseed;
1790: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1791: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1792: } else {
1793: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1794: }
1795: $resources_printed .= $urlp.':';
1796: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1797: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1798: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1799: # Don't permanently pervert %form:
1800: my %answerform = %form;
1801: $answerform{'grade_target'}='answer';
1802: $answerform{'answer_output_mode'}='tex';
1803: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1804: $answerform{'rndseed'}=$rndseed;
1805: $resources_printed .= $urlp.':';
1806: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1807: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1808: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1809: } else {
1810: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1811: if ($helper->{'VARS'}->{'construction'} ne '1') {
1812: $texversion.='\vskip 0 mm \noindent ';
1813: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1814: } else {
1815: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1816: my $URLpath=$urlp;
1817: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1818: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1819: }
1820: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1821: }
1822: }
1823: #this chunck is responsible for printing the path to problem
1824: my $newurlp=$urlp;
1825: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1826: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1827: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1828: if ($flag_latex_header_remove ne 'NO') {
1829: $texversion = &latex_header_footer_remove($texversion);
1830: } else {
1831: $texversion =~ s/\\end{document}//;
1832: }
1833: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1834: $texversion=&IndexCreation($texversion,$urlp);
1835: }
1836: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1837: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1838:
1839: }
1840: $result .= $texversion;
1841: }
1842: $flag_latex_header_remove = 'YES';
1843: }
1844: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1845: $result .= '\end{document}';
1846: }
1847: #-------------------------------------------------------- corrections for the different page formats
1848: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1849: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
1850: $helper->{'VARS'}->{'ANSWER_TYPE'});
1851: #if ($numberofcolumns == 1) {
1852: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1853: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1854: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1855: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1856: #}
1857:
1858: #-- writing .tex file in prtspool
1859: my $temp_file;
1860: my $identifier = &Apache::loncommon::get_cgi_id();
1861: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1862: if (!($#print_array>0)) {
1863: unless ($temp_file = Apache::File->new('>'.$filename)) {
1864: $r->log_error("Couldn't open $filename for output $!");
1865: return SERVER_ERROR;
1866: }
1867: print $temp_file $result;
1868: my $begin=index($result,'\begin{document}',0);
1869: my $inc=substr($result,0,$begin+16);
1870: } else {
1871: my $begin=index($result,'\begin{document}',0);
1872: my $inc=substr($result,0,$begin+16);
1873: for (my $i=0;$i<=$#print_array;$i++) {
1874: if ($i==0) {
1875: $print_array[$i]=$result;
1876: } else {
1877: $print_array[$i].='\end{document}';
1878: $print_array[$i] =
1879: &latex_corrections($number_of_columns,$print_array[$i],
1880: $selectionmade,
1881: $helper->{'VARS'}->{'ANSWER_TYPE'});
1882:
1883: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1884: substr($print_array[$i],0,$anobegin)='';
1885: $print_array[$i]=$inc.$print_array[$i];
1886: }
1887: my $temp_file;
1888: my $newfilename=$filename;
1889: my $num=$i+1;
1890: $newfilename =~s/\.tex$//;
1891: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1892: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1893: $r->log_error("Couldn't open $newfilename for output $!");
1894: return SERVER_ERROR;
1895: }
1896: print $temp_file $print_array[$i];
1897: }
1898: }
1899: my $student_names='';
1900: if ($#print_array>0) {
1901: for (my $i=0;$i<=$#print_array;$i++) {
1902: $student_names.=$student_names[$i].'_ENDPERSON_';
1903: }
1904: } else {
1905: if ($#student_names>-1) {
1906: $student_names=$student_names[0].'_ENDPERSON_';
1907: } else {
1908: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1909: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1910: $env{'request.course.sec'},$fullname).
1911: '_ENDPERSON_'.'_END_';
1912: }
1913: }
1914:
1915: my $URLback=''; #link to original document
1916: if ($helper->{'VARS'}->{'construction'} ne '1') {
1917: #prints published resource
1918: $URLback=&escape('/adm/flip?postdata=return:');
1919: } else {
1920: #prints resource from the construction space
1921: $URLback='/'.$helper->{'VARS'}->{'filename'};
1922: if ($URLback=~/([^?]+)/) {
1923: $URLback=$1;
1924: $URLback=~s|^/~|/priv/|;
1925: }
1926: }
1927: # logic for now is too complex to trace if this has been defined
1928: # yet.
1929: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1930: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1931: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1932: 'cgi.'.$identifier.'.layout' => $laystyle,
1933: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1934: 'cgi.'.$identifier.'.paper' => $papersize,
1935: 'cgi.'.$identifier.'.selection' => $selectionmade,
1936: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1937: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1938: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1939: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1940: 'cgi.'.$identifier.'.studentnames' => $student_names,
1941: 'cgi.'.$identifier.'.backref' => $URLback,);
1942: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1943: "cgi.$identifier.domain" => $env{'user.domain'},
1944: "cgi.$identifier.courseid" => $cnum,
1945: "cgi.$identifier.coursedom" => $cdom,
1946: "cgi.$identifier.resources" => $resources_printed);
1947:
1948: my $end_page = &Apache::loncommon::end_page();
1949: $r->print(<<FINALEND);
1950: <br />
1951: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1952: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1953: $end_page
1954: FINALEND
1955: }
1956:
1957:
1958: sub get_CODE {
1959: my ($all_codes,$num,$seed,$size,$type)=@_;
1960: my $max='1'.'0'x$size;
1961: my $newcode;
1962: while(1) {
1963: $newcode=sprintf("%0".$size."d",int(rand($max)));
1964: if (!exists($$all_codes{$newcode})) {
1965: $$all_codes{$newcode}=1;
1966: if ($type eq 'number' ) {
1967: return $newcode;
1968: } else {
1969: return &num_to_letters($newcode);
1970: }
1971: }
1972: }
1973: }
1974:
1975: sub print_resources {
1976: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1977: $LaTeXwidth)=@_;
1978: my $current_output = '';
1979: my $printed = '';
1980: my ($username,$userdomain,$usersection) = split /:/,$person;
1981: my $fullname = &get_name($username,$userdomain);
1982: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
1983: if ($person =~ 'anon') {
1984: $namepostfix .="Name: ";
1985: $fullname = "CODE - ".$moreenv->{'CODE'};
1986: }
1987: # Fullname may have special latex characters that need \ prefixing:
1988: #
1989:
1990: my $i = 0;
1991: #goes through all resources, checks if they are available for
1992: #current student, and produces output
1993:
1994: &Apache::lonxml::clear_problem_counter();
1995: my %page_breaks = &get_page_breaks($helper);
1996: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1997: #
1998: # end each student with a
1999: # Special that allows the post processor to even out the page
2000: # counts later. Nasty problem this... it would be really
2001: # nice to put the special in as a postscript comment
2002: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
2003: # The special gets passed the \ and dvips puts it in the output file
2004: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
2005: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
2006: #
2007:
2008: foreach my $curresline (@{$master_seq}) {
2009: if (defined $page_breaks{$curresline}) {
2010: if($i != 0) {
2011: $current_output.= "\\newpage\n";
2012: }
2013: }
2014: $i++;
2015: if ( !($type eq 'problems' &&
2016: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
2017: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
2018: if (&Apache::lonnet::allowed('bre',$res_url)) {
2019: if ($res_url!~m|^ext/|
2020: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2021: $printed .= $curresline.':';
2022:
2023: &Apache::lonxml::remember_problem_counter();
2024:
2025: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
2026:
2027: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2028: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2029: # Use a copy of the hash so we don't pervert it on future loop passes.
2030: my %answerenv = %{$moreenv};
2031: $answerenv{'answer_output_mode'}='tex';
2032: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2033:
2034: &Apache::lonxml::restore_problem_counter();
2035:
2036: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
2037:
2038: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2039: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
2040: } else {
2041:
2042:
2043: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2044: my $title = &Apache::lonnet::gettitle($curresline);
2045: $title = &Apache::lonxml::latex_special_symbols($title);
2046: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2047: $body .=&path_to_problem($res_url,$LaTeXwidth);
2048: $body .='\vskip 1 mm '.$ansrendered;
2049: $body = &encapsulate_minipage($body);
2050: $rendered = $header.$body;
2051: }
2052: }
2053: if ($remove_latex_header eq 'YES') {
2054: $rendered = &latex_header_footer_remove($rendered);
2055: } else {
2056: $rendered =~ s/\\end{document}//;
2057: }
2058: $current_output .= $rendered;
2059: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
2060: $printed .= $curresline.':';
2061: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
2062:
2063: if ($remove_latex_header eq 'YES') {
2064: $rendered = &latex_header_footer_remove($rendered);
2065: } else {
2066: $rendered =~ s/\\end{document}//;
2067: }
2068: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
2069:
2070: } else {
2071: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
2072: if ($remove_latex_header ne 'NO') {
2073: $rendered = &latex_header_footer_remove($rendered);
2074: } else {
2075: $rendered =~ s/\\end{document}//;
2076: }
2077: $current_output .= $rendered;
2078: }
2079: }
2080: $remove_latex_header = 'YES';
2081: }
2082: if (&Apache::loncommon::connection_aborted($r)) { last; }
2083: }
2084: my $courseidinfo = &get_course();
2085: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
2086: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
2087: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
2088: my $header_line =
2089: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
2090: $currentassignment, $courseidinfo, $fullname);
2091: my $header_start = ($columns_in_format == 1) ? '\lhead'
2092: : '\fancyhead[LO]';
2093: $header_line = $header_start.'{'.$header_line.'}';
2094:
2095: if ($current_output=~/\\documentclass/) {
2096: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
2097: } else {
2098: my $blankpages =
2099: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
2100:
2101: $current_output = '\strut\vspace*{-6 mm}\\newline'.
2102: ©right_line().' \newpage '.$blankpages.$end_of_student.
2103: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
2104: $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
2105: }
2106: #
2107: # Close the student bracketing.
2108: #
2109: return ($current_output,$fullname, $printed);
2110:
2111: }
2112:
2113: sub handler {
2114:
2115: my $r = shift;
2116:
2117: &init_perm();
2118:
2119:
2120:
2121: my $helper = printHelper($r);
2122: if (!ref($helper)) {
2123: return $helper;
2124: }
2125:
2126:
2127: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2128:
2129:
2130:
2131:
2132: # If a figure conversion queue file exists for this user.domain
2133: # we delete it since it can only be bad (if it were good, printout.pl
2134: # would have deleted it the last time around.
2135:
2136: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
2137: if(-e $conversion_queuefile) {
2138: unlink $conversion_queuefile;
2139: }
2140: &output_data($r,$helper,\%parmhash);
2141: return OK;
2142: }
2143:
2144: use Apache::lonhelper;
2145:
2146: sub addMessage {
2147: my $text = shift;
2148: my $paramHash = Apache::lonhelper::getParamHash();
2149: $paramHash->{MESSAGE_TEXT} = $text;
2150: Apache::lonhelper::message->new();
2151: }
2152:
2153:
2154:
2155: sub init_perm {
2156: undef(%perm);
2157: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
2158: if (!$perm{'pav'}) {
2159: $perm{'pav'}=&Apache::lonnet::allowed('pav',
2160: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2161: }
2162: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
2163: if (!$perm{'pfo'}) {
2164: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
2165: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2166: }
2167: }
2168:
2169: sub printHelper {
2170: my $r = shift;
2171:
2172: if ($r->header_only) {
2173: if ($env{'browser.mathml'}) {
2174: &Apache::loncommon::content_type($r,'text/xml');
2175: } else {
2176: &Apache::loncommon::content_type($r,'text/html');
2177: }
2178: $r->send_http_header;
2179: return OK;
2180: }
2181:
2182: # Send header, nocache
2183: if ($env{'browser.mathml'}) {
2184: &Apache::loncommon::content_type($r,'text/xml');
2185: } else {
2186: &Apache::loncommon::content_type($r,'text/html');
2187: }
2188: &Apache::loncommon::no_cache($r);
2189: $r->send_http_header;
2190: $r->rflush();
2191:
2192: # Unfortunately, this helper is so complicated we have to
2193: # write it by hand
2194:
2195: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
2196:
2197: my $helper = Apache::lonhelper::helper->new("Printing Helper");
2198: $helper->declareVar('symb');
2199: $helper->declareVar('postdata');
2200: $helper->declareVar('curseed');
2201: $helper->declareVar('probstatus');
2202: $helper->declareVar('filename');
2203: $helper->declareVar('construction');
2204: $helper->declareVar('assignment');
2205: $helper->declareVar('style_file');
2206: $helper->declareVar('student_sort');
2207: $helper->declareVar('FINISHPAGE');
2208: $helper->declareVar('PRINT_TYPE');
2209: $helper->declareVar("showallfoils");
2210: $helper->declareVar("STUDENTS");
2211:
2212: # The page breaks can get loaded initially from the course environment:
2213: # But we only do this in the initial state so that they are allowed to change.
2214: #
2215:
2216: # $helper->{VARS}->{FINISHPAGE} = '';
2217:
2218: &Apache::loncommon::restore_course_settings('print',
2219: {'pagebreaks' => 'scalar',
2220: 'lastprinttype' => 'scalar'});
2221:
2222: # This will persistently load in the data we want from the
2223: # very first screen.
2224:
2225: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
2226: if (!defined ($env{"form.CURRENT_STATE"})) {
2227:
2228: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2229: } else {
2230: my $state = $env{"form.CURRENT_STATE"};
2231: if ($state eq "START") {
2232: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2233: }
2234: }
2235:
2236: }
2237:
2238:
2239: # Detect whether we're coming from construction space
2240: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
2241: $helper->{VARS}->{'filename'} = "~$1/$2";
2242: $helper->{VARS}->{'construction'} = 1;
2243: } else {
2244: if ($env{'form.postdata'}) {
2245: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
2246: if ( $helper->{VARS}->{'symb'} eq '') {
2247: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
2248: }
2249: }
2250: if ($env{'form.symb'}) {
2251: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2252: }
2253: if ($env{'form.url'}) {
2254: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2255: }
2256:
2257: }
2258:
2259: if ($env{'form.symb'}) {
2260: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2261: }
2262: if ($env{'form.url'}) {
2263: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2264:
2265: }
2266: $helper->{VARS}->{'symb'}=
2267: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
2268: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
2269: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
2270:
2271:
2272: # Extract map
2273: my $symb = $helper->{VARS}->{'symb'};
2274: my ($map, $id, $url);
2275: my $subdir;
2276: my $is_published=0; # True when printing from resource space.
2277:
2278: # Get the resource name from construction space
2279: if ($helper->{VARS}->{'construction'}) {
2280: $resourceTitle = substr($helper->{VARS}->{'filename'},
2281: rindex($helper->{VARS}->{'filename'}, '/')+1);
2282: $subdir = substr($helper->{VARS}->{'filename'},
2283: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
2284: } else {
2285: if ($symb ne '') {
2286: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
2287: $helper->{VARS}->{'postdata'} =
2288: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
2289: } else {
2290: $url = $helper->{VARS}->{'postdata'};
2291: $is_published=1; # From resource space.
2292: }
2293: $url = &Apache::lonnet::clutter($url);
2294:
2295: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
2296: my $postdata = $helper->{VARS}->{'postdata'};
2297: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
2298: }
2299: $subdir = &Apache::lonnet::filelocation("", $url);
2300: }
2301: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2302: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2303: }
2304: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2305: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2306: }
2307:
2308: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2309:
2310: Apache::lonhelper::registerHelperTags();
2311:
2312: # "Delete everything after the last slash."
2313: $subdir =~ s|/[^/]+$||;
2314:
2315: # What can be printed is a very dynamic decision based on
2316: # lots of factors. So we need to dynamically build this list.
2317: # To prevent security leaks, states are only added to the wizard
2318: # if they can be reached, which ensures manipulating the form input
2319: # won't allow anyone to reach states they shouldn't have permission
2320: # to reach.
2321:
2322: # printChoices is tracking the kind of printing the user can
2323: # do, and will be used in a choices construction later.
2324: # In the meantime we will be adding states and elements to
2325: # the helper by hand.
2326: my $printChoices = [];
2327: my $paramHash;
2328:
2329: if ($resourceTitle) {
2330: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2331: }
2332:
2333: # Useful filter strings
2334: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2335: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2336: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2337: my $isNotMap = '!$res->is_sequence()';
2338: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2339: my $isMap = '$res->is_map()';
2340: my $symbFilter = '$res->shown_symb()';
2341: my $urlValue = '$res->link()';
2342:
2343: $helper->declareVar('SEQUENCE');
2344:
2345: # If we're in a sequence...
2346:
2347: my $start_new_option;
2348: if ($perm{'pav'}) {
2349: $start_new_option =
2350: "<option text='".&mt('Start new page<br />before selected').
2351: "' variable='FINISHPAGE' />";
2352: }
2353:
2354: if (($helper->{'VARS'}->{'construction'} ne '1' ) &&
2355:
2356: $helper->{VARS}->{'postdata'} &&
2357: $helper->{VARS}->{'assignment'}) {
2358: # Allow problems from sequence
2359: push @{$printChoices}, [&mt('Selected <b>Problems</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems', 'CHOOSE_PROBLEMS'];
2360: # Allow all resources from sequence
2361: push @{$printChoices}, [&mt('Selected <b>Resources</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2362:
2363: my $helperFragment = <<HELPERFRAGMENT;
2364: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2365: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2366: closeallpages="1">
2367: <nextstate>PAGESIZE</nextstate>
2368: <filterfunc>return $isProblem;</filterfunc>
2369: <mapurl>$map</mapurl>
2370: <valuefunc>return $symbFilter;</valuefunc>
2371: $start_new_option
2372: </resource>
2373: </state>
2374:
2375: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2376: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2377: closeallpages="1">
2378: <nextstate>PAGESIZE</nextstate>
2379: <filterfunc>return $isNotMap;</filterfunc>
2380: <mapurl>$map</mapurl>
2381: <valuefunc>return $symbFilter;</valuefunc>
2382: $start_new_option
2383: </resource>
2384: </state>
2385: HELPERFRAGMENT
2386:
2387: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2388: }
2389:
2390: # If the user has pfo (print for otheres) allow them to print all
2391: # problems and resources in the entier course, optionally for selected students
2392: if ($perm{'pfo'} && !$is_published &&
2393: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2394:
2395: push @{$printChoices}, ['Selected <b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2396: push @{$printChoices}, ['Selected <b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2397: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2398: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2399: <resource variable="RESOURCES" toponly='0' multichoice="1"
2400: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2401: <nextstate>PAGESIZE</nextstate>
2402: <filterfunc>return $isProblemOrMap;</filterfunc>
2403: <choicefunc>return $isNotMap;</choicefunc>
2404: <valuefunc>return $symbFilter;</valuefunc>
2405: $start_new_option
2406: </resource>
2407: </state>
2408: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2409: <resource variable="RESOURCES" toponly='0' multichoice='1'
2410: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2411: <nextstate>PAGESIZE</nextstate>
2412: <filterfunc>return $isNotMap; </filterfunc>
2413: <valuefunc>return $symbFilter;</valuefunc>
2414: $start_new_option
2415: </resource>
2416: </state>
2417: ALL_PROBLEMS
2418:
2419: if ($helper->{VARS}->{'assignment'}) {
2420: 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'];
2421: 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'];
2422: }
2423:
2424: # resource_selector will hold a few states that:
2425: # - Allow resources to be selected for printing.
2426: # - Determine pagination between assignments.
2427: # - Determine how many assignments should be bundled into a single PDF.
2428: # TODO:
2429: # Probably good to do things like separate this up into several vars, each
2430: # with one state, and use REGEXPs at inclusion time to set state names
2431: # and next states for better mix and match capability
2432: #
2433: my $resource_selector=<<RESOURCE_SELECTOR;
2434: <state name="SELECT_PROBLEMS" title="Select resources to print">
2435: <nextstate>PRINT_FORMATTING</nextstate>
2436: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2437: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2438: closeallpages="1">
2439: <filterfunc>return $isProblem;</filterfunc>
2440: <mapurl>$map</mapurl>
2441: <valuefunc>return $symbFilter;</valuefunc>
2442: $start_new_option
2443: </resource>
2444: </state>
2445: <state name="PRINT_FORMATTING" title="How should results be printed?">
2446: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2447: <choices variable="EMPTY_PAGES">
2448: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2449: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2450: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2451: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2452: </choices>
2453: <nextstate>PAGESIZE</nextstate>
2454: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2455: <choices variable="SPLIT_PDFS">
2456: <choice computer="all">All assignments in a single PDF file</choice>
2457: <choice computer="sections">Each PDF contains exactly one section</choice>
2458: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2459: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2460: Specify the number of assignments per PDF:</choice>
2461: </choices>
2462: </state>
2463: RESOURCE_SELECTOR
2464:
2465: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2466: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2467: <message><b>Select sorting order of printout</b> </message>
2468: <choices variable='student_sort'>
2469: <choice computer='0'>Sort by section then student</choice>
2470: <choice computer='1'>Sort by students across sections.</choice>
2471: </choices>
2472: <message><br /><hr /><br /> </message>
2473: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
2474: </state>
2475: $resource_selector
2476: CHOOSE_STUDENTS
2477:
2478: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2479: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2480: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2481: my $namechoice='<choice></choice>';
2482: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2483: if ($name =~ /^error: 2 /) { next; }
2484: if ($name =~ /^type\0/) { next; }
2485: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2486: }
2487:
2488:
2489: my %code_values;
2490: my %codes_to_print;
2491: foreach my $key (@names) {
2492: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2493: foreach my $key (keys(%code_values)) {
2494: $codes_to_print{$key} = 1;
2495: }
2496: }
2497:
2498: my $code_selection;
2499: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
2500: my $choice = $code;
2501: if ($code =~ /^[A-Z]+$/) { # Alpha code
2502: $choice = &letters_to_num($code);
2503: }
2504: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
2505: }
2506: if (%codes_to_print) {
2507: $code_selection .='
2508: <message><b>Choose single CODE from list:</b></message>
2509: <message></td><td></message>
2510: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2511: <choice></choice>
2512: <exec>
2513: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
2514: </exec>
2515: </dropdown>
2516: <message></td></tr><tr><td></message>
2517: '.$/;
2518:
2519: }
2520:
2521:
2522: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2523: my $codechoice='';
2524: foreach my $line (<FH>) {
2525: my ($name,$description,$code_type,$code_length)=
2526: (split(/:/,$line))[0,1,2,4];
2527: if ($code_length > 0 &&
2528: $code_type =~/^(letter|number|-1)/) {
2529: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2530: }
2531: }
2532: if ($codechoice eq '') {
2533: $codechoice='<choice computer="default">Default</choice>';
2534: }
2535: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2536: <state name="CHOOSE_ANON1" title="Specify CODEd Assignments">
2537: <nextstate>SELECT_PROBLEMS</nextstate>
2538: <message><h4>Fill out one of the forms below</h4></message>
2539: <message><br /><hr /> <br /></message>
2540: <message><h3>Generate new CODEd Assignments</h3></message>
2541: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2542: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2543: <validator>
2544: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2545: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2546: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2547: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2548: return "You need to specify the number of assignments to print";
2549: }
2550: return undef;
2551: </validator>
2552: </string>
2553: <message></td></tr><tr><td></message>
2554: <message><b>Names to store the CODEs under for later:</b></message>
2555: <message></td><td></message>
2556: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2557: <message></td></tr><tr><td></message>
2558: <message><b>Bubble sheet type:</b></message>
2559: <message></td><td></message>
2560: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2561: $codechoice
2562: </dropdown>
2563: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
2564: <message></td></tr><tr><td></table></message>
2565: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2566: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2567: <string variable="SINGLE_CODE" size="10">
2568: <validator>
2569: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2570: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2571: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2572: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2573: \$helper->{'VARS'}{'CODE_OPTION'});
2574: } else {
2575: return undef; # Other forces control us.
2576: }
2577: </validator>
2578: </string>
2579: <message></td></tr><tr><td></message>
2580: $code_selection
2581: <message></td></tr></table></message>
2582: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2583: <message><b>Select saved CODEs:</b></message>
2584: <message></td><td></message>
2585: <dropdown variable="REUSE_OLD_CODES">
2586: $namechoice
2587: </dropdown>
2588: <message></td></tr></table></message>
2589: </state>
2590: $resource_selector
2591: CHOOSE_ANON1
2592:
2593:
2594: if ($helper->{VARS}->{'assignment'}) {
2595: 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'];
2596: 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'];
2597: }
2598:
2599:
2600: $resource_selector=<<RESOURCE_SELECTOR;
2601: <state name="SELECT_RESOURCES" title="Select Resources">
2602: <nextstate>PRINT_FORMATTING</nextstate>
2603: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2604: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2605: closeallpages="1">
2606: <filterfunc>return $isNotMap;</filterfunc>
2607: <mapurl>$map</mapurl>
2608: <valuefunc>return $symbFilter;</valuefunc>
2609: $start_new_option
2610: </resource>
2611: </state>
2612: <state name="PRINT_FORMATTING" title="Format of the print job">
2613: <nextstate>NUMBER_PER_PDF</nextstate>
2614: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2615: <choices variable="EMPTY_PAGES">
2616: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2617: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2618: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2619: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2620: </choices>
2621: <nextstate>PAGESIZE</nextstate>
2622: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2623: <choices variable="SPLIT_PDFS">
2624: <choice computer="all">All assignments in a single PDF file</choice>
2625: <choice computer="sections">Each PDF contains exactly one section</choice>
2626: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2627: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2628: Specify the number of assignments per PDF:</choice>
2629: </choices>
2630: </state>
2631: RESOURCE_SELECTOR
2632:
2633: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2634: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2635: <choices variable='student_sort'>
2636: <choice computer='0'>Sort by section then student</choice>
2637: <choice computer='1'>Sort by students across sections.</choice>
2638: </choices>
2639: <message><br /><hr /><br /></message>
2640: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
2641:
2642: </state>
2643: $resource_selector
2644: CHOOSE_STUDENTS1
2645:
2646: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2647: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
2648: <nextstate>SELECT_RESOURCES</nextstate>
2649: <message><h4>Fill out one of the forms below</h4></message>
2650: <message><br /><hr /> <br /></message>
2651: <message><h3>Generate new CODEd Assignments</h3></message>
2652: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2653: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2654: <validator>
2655: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2656: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2657: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2658: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2659: return "You need to specify the number of assignments to print";
2660: }
2661: return undef;
2662: </validator>
2663: </string>
2664: <message></td></tr><tr><td></message>
2665: <message><b>Names to store the CODEs under for later:</b></message>
2666: <message></td><td></message>
2667: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2668: <message></td></tr><tr><td></message>
2669: <message><b>Bubble sheet type:</b></message>
2670: <message></td><td></message>
2671: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2672: $codechoice
2673: </dropdown>
2674: <message></td></tr><tr><td></table></message>
2675: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2676: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2677: <string variable="SINGLE_CODE" size="10">
2678: <validator>
2679: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2680: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2681: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2682: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2683: \$helper->{'VARS'}{'CODE_OPTION'});
2684: } else {
2685: return undef; # Other forces control us.
2686: }
2687: </validator>
2688: </string>
2689: <message></td></tr><tr><td></message>
2690: $code_selection
2691: <message></td></tr></table></message>
2692: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2693: <message><b>Select saved CODEs:</b></message>
2694: <message></td><td></message>
2695: <dropdown variable="REUSE_OLD_CODES">
2696: $namechoice
2697: </dropdown>
2698: <message></td></tr></table></message>
2699: </state>
2700: $resource_selector
2701: CHOOSE_ANON2
2702: }
2703:
2704: # FIXME: That RE should come from a library somewhere.
2705: if (($perm{'pav'}
2706: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
2707: && (defined($helper->{'VARS'}->{'construction'})
2708: ||
2709: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
2710: &&
2711: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
2712: ))
2713: && $helper->{VARS}->{'assignment'} eq ""
2714: ) {
2715:
2716: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
2717: push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$pretty_dir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2718: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2719: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
2720:
2721: <files variable="FILES" multichoice='1'>
2722: <nextstate>PAGESIZE</nextstate>
2723: <filechoice>return '$subdir';</filechoice>
2724: CHOOSE_FROM_SUBDIR
2725:
2726: # this is broken up because I really want interpolation above,
2727: # and I really DON'T want it below
2728: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2729: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2730: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2731: </filefilter>
2732: </files>
2733: </state>
2734: CHOOSE_FROM_SUBDIR
2735: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2736: }
2737:
2738: # Allow the user to select any sequence in the course, feed it to
2739: # another resource selector for that sequence
2740: if (!$helper->{VARS}->{'construction'} && !$is_published) {
2741: push @$printChoices, ["Selected <b>Resources</b> from <b>selected folder</b> in course",
2742: 'select_sequences', 'CHOOSE_SEQUENCE'];
2743: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2744: #Escape apostrophes and backslashes for Perl
2745: $escapedSequenceName =~ s/\\/\\\\/g;
2746: $escapedSequenceName =~ s/'/\\'/g;
2747: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2748: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2749: <message>Select the sequence to print resources from:</message>
2750: <resource variable="SEQUENCE">
2751: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2752: <filterfunc>return \$res->is_sequence;</filterfunc>
2753: <valuefunc>return $urlValue;</valuefunc>
2754: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2755: </choicefunc>
2756: </resource>
2757: </state>
2758: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2759: <message>(mark desired resources then click "next" button) <br /></message>
2760: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2761: closeallpages="1">
2762: <nextstate>PAGESIZE</nextstate>
2763: <filterfunc>return $isNotMap</filterfunc>
2764: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2765: <valuefunc>return $symbFilter;</valuefunc>
2766: $start_new_option
2767: </resource>
2768: </state>
2769: CHOOSE_FROM_ANY_SEQUENCE
2770: }
2771:
2772: # Generate the first state, to select which resources get printed.
2773: Apache::lonhelper::state->new("START", "Select Printing Options:");
2774: $paramHash = Apache::lonhelper::getParamHash();
2775: $paramHash->{MESSAGE_TEXT} = "";
2776: Apache::lonhelper::message->new();
2777: $paramHash = Apache::lonhelper::getParamHash();
2778: $paramHash->{'variable'} = 'PRINT_TYPE';
2779: $paramHash->{CHOICES} = $printChoices;
2780: Apache::lonhelper::choices->new();
2781:
2782: my $startedTable = 0; # have we started an HTML table yet? (need
2783: # to close it later)
2784:
2785: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2786: ($helper->{VARS}->{'construction'} eq '1')) {
2787: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2788: $paramHash = Apache::lonhelper::getParamHash();
2789: $paramHash->{'variable'} = 'ANSWER_TYPE';
2790: $helper->declareVar('ANSWER_TYPE');
2791: $paramHash->{CHOICES} = [
2792: ['Without Answers', 'yes'],
2793: ['With Answers', 'no'],
2794: ['Only Answers', 'only']
2795: ];
2796: Apache::lonhelper::dropdown->new();
2797: addMessage("</td></tr>");
2798: $startedTable = 1;
2799: }
2800:
2801: if ($perm{'pav'}) {
2802: if (!$startedTable) {
2803: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2804: $startedTable = 1;
2805: } else {
2806: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2807: }
2808: $paramHash = Apache::lonhelper::getParamHash();
2809: $paramHash->{'variable'} = 'LATEX_TYPE';
2810: $helper->declareVar('LATEX_TYPE');
2811: if ($helper->{VARS}->{'construction'} eq '1') {
2812: $paramHash->{CHOICES} = [
2813: ['standard LaTeX mode', 'standard'],
2814: ['LaTeX batchmode', 'batchmode'], ];
2815: } else {
2816: $paramHash->{CHOICES} = [
2817: ['LaTeX batchmode', 'batchmode'],
2818: ['standard LaTeX mode', 'standard'] ];
2819: }
2820: Apache::lonhelper::dropdown->new();
2821:
2822: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2823: $paramHash = Apache::lonhelper::getParamHash();
2824: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2825: $helper->declareVar('TABLE_CONTENTS');
2826: $paramHash->{CHOICES} = [
2827: ['No', 'no'],
2828: ['Yes', 'yes'] ];
2829: Apache::lonhelper::dropdown->new();
2830: addMessage("</td></tr>");
2831:
2832: if (not $helper->{VARS}->{'construction'}) {
2833: addMessage("<tr><td align='right'>Print Index: </td><td>");
2834: $paramHash = Apache::lonhelper::getParamHash();
2835: $paramHash->{'variable'} = 'TABLE_INDEX';
2836: $helper->declareVar('TABLE_INDEX');
2837: $paramHash->{CHOICES} = [
2838: ['No', 'no'],
2839: ['Yes', 'yes'] ];
2840: Apache::lonhelper::dropdown->new();
2841: addMessage("</td></tr>");
2842: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2843: $paramHash = Apache::lonhelper::getParamHash();
2844: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2845: $helper->declareVar('PRINT_DISCUSSIONS');
2846: $paramHash->{CHOICES} = [
2847: ['No', 'no'],
2848: ['Yes', 'yes'] ];
2849: Apache::lonhelper::dropdown->new();
2850: addMessage("</td></tr>");
2851:
2852: addMessage("<tr><td align = 'right'> </td><td>");
2853: $paramHash = Apache::lonhelper::getParamHash();
2854: $paramHash->{'multichoice'} = "true";
2855: $paramHash->{'allowempty'} = "true";
2856: $paramHash->{'variable'} = "showallfoils";
2857: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2858: Apache::lonhelper::choices->new();
2859: addMessage("</td></tr>");
2860: }
2861:
2862: if ($helper->{'VARS'}->{'construction'}) {
2863: my $stylevalue=$env{'construct.style'};
2864: my $xmlfrag .= <<"RNDSEED";
2865: <message><tr><td align='right'>Use random seed: </td><td></message>
2866: <string variable="curseed" size="15" maxlength="15">
2867: <defaultvalue>
2868: return $helper->{VARS}->{'curseed'};
2869: </defaultvalue>
2870: </string>
2871: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2872: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
2873: <choices allowempty="1" multichoice="true" variable="showallfoils">
2874: <choice computer="1">Show all foils?</choice>
2875: </choices>
2876: <message></td></tr></message>
2877: RNDSEED
2878: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2879: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2880:
2881: }
2882: }
2883:
2884:
2885:
2886:
2887: if ($startedTable) {
2888: addMessage("</table>");
2889: }
2890:
2891: Apache::lonprintout::page_format_state->new("FORMAT");
2892:
2893: # Generate the PAGESIZE state which will offer the user the margin
2894: # choices if they select one column
2895: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2896: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2897:
2898:
2899: $helper->process();
2900:
2901:
2902: # MANUAL BAILOUT CONDITION:
2903: # If we're in the "final" state, bailout and return to handler
2904: if ($helper->{STATE} eq 'FINAL') {
2905: return $helper;
2906: }
2907:
2908: $r->print($helper->display());
2909: if ($helper->{STATE} eq 'START') {
2910: &recently_generated($r);
2911: }
2912: &Apache::lonhelper::unregisterHelperTags();
2913:
2914: return OK;
2915: }
2916:
2917:
2918: 1;
2919:
2920: package Apache::lonprintout::page_format_state;
2921:
2922: =pod
2923:
2924: =head1 Helper element: page_format_state
2925:
2926: See lonhelper.pm documentation for discussion of the helper framework.
2927:
2928: Apache::lonprintout::page_format_state is an element that gives the
2929: user an opportunity to select the page layout they wish to print
2930: with: Number of columns, portrait/landscape, and paper size. If you
2931: want to change the paper size choices, change the @paperSize array
2932: contents in this package.
2933:
2934: page_format_state is always directly invoked in lonprintout.pm, so there
2935: is no tag interface. You actually pass parameters to the constructor.
2936:
2937: =over 4
2938:
2939: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2940:
2941: =back
2942:
2943: =cut
2944:
2945: use Apache::lonhelper;
2946:
2947: no strict;
2948: @ISA = ("Apache::lonhelper::element");
2949: use strict;
2950: use Apache::lonlocal;
2951: use Apache::lonnet;
2952:
2953: my $maxColumns = 2;
2954: # it'd be nice if these all worked
2955: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2956: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2957: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2958: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2959: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2960: "a4 [210x297 mm]");
2961:
2962: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2963: # Paper type
2964:
2965: sub new {
2966: my $self = Apache::lonhelper::element->new();
2967:
2968: shift;
2969:
2970: $self->{'variable'} = shift;
2971: my $helper = Apache::lonhelper::getHelper();
2972: $helper->declareVar($self->{'variable'});
2973: bless($self);
2974: return $self;
2975: }
2976:
2977: sub render {
2978: my $self = shift;
2979: my $helper = Apache::lonhelper::getHelper();
2980: my $result = '';
2981: my $var = $self->{'variable'};
2982: my $PageLayout=&mt('Page layout');
2983: my $NumberOfColumns=&mt('Number of columns');
2984: my $PaperType=&mt('Paper type');
2985: $result .= <<STATEHTML;
2986:
2987: <hr width="33%" />
2988: <table cellpadding="3">
2989: <tr>
2990: <td align="center"><b>$PageLayout</b></td>
2991: <td align="center"><b>$NumberOfColumns</b></td>
2992: <td align="center"><b>$PaperType</b></td>
2993: </tr>
2994: <tr>
2995: <td>
2996: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2997: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2998: </td>
2999: <td align="center">
3000: <select name="${var}.cols">
3001: STATEHTML
3002:
3003: my $i;
3004: for ($i = 1; $i <= $maxColumns; $i++) {
3005: if ($i == 2) {
3006: $result .= "<option value='$i' selected>$i</option>\n";
3007: } else {
3008: $result .= "<option value='$i'>$i</option>\n";
3009: }
3010: }
3011:
3012: $result .= "</select></td><td>\n";
3013: $result .= "<select name='${var}.paper'>\n";
3014:
3015: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3016: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
3017: $DefaultPaperSize=~s/\s//g;
3018: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
3019: $i = 0;
3020: foreach (@paperSize) {
3021: $_=~/(\w+)/;
3022: my $papersize=$1;
3023: if ($paperSize[$i]=~/$DefaultPaperSize/) {
3024: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
3025: } else {
3026: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
3027: }
3028: $i++;
3029: }
3030: $result .= "</select></td></tr></table>";
3031: return $result;
3032: }
3033:
3034: sub postprocess {
3035: my $self = shift;
3036:
3037: my $var = $self->{'variable'};
3038: my $helper = Apache::lonhelper->getHelper();
3039: $helper->{VARS}->{$var} =
3040: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
3041: $env{"form.$var.paper"};
3042: return 1;
3043: }
3044:
3045: 1;
3046:
3047: package Apache::lonprintout::page_size_state;
3048:
3049: =pod
3050:
3051: =head1 Helper element: page_size_state
3052:
3053: See lonhelper.pm documentation for discussion of the helper framework.
3054:
3055: Apache::lonprintout::page_size_state is an element that gives the
3056: user the opportunity to further refine the page settings if they
3057: select a single-column page.
3058:
3059: page_size_state is always directly invoked in lonprintout.pm, so there
3060: is no tag interface. You actually pass parameters to the constructor.
3061:
3062: =over 4
3063:
3064: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
3065:
3066: =back
3067:
3068: =cut
3069:
3070: use Apache::lonhelper;
3071: use Apache::lonnet;
3072: no strict;
3073: @ISA = ("Apache::lonhelper::element");
3074: use strict;
3075:
3076:
3077:
3078: sub new {
3079: my $self = Apache::lonhelper::element->new();
3080:
3081: shift; # disturbs me (probably prevents subclassing) but works (drops
3082: # package descriptor)... - Jeremy
3083:
3084: $self->{'variable'} = shift;
3085: my $helper = Apache::lonhelper::getHelper();
3086: $helper->declareVar($self->{'variable'});
3087:
3088: # The variable name of the format element, so we can look into
3089: # $helper->{VARS} to figure out whether the columns are one or two
3090: $self->{'formatvar'} = shift;
3091:
3092:
3093: $self->{NEXTSTATE} = shift;
3094: bless($self);
3095:
3096: return $self;
3097: }
3098:
3099: sub render {
3100: my $self = shift;
3101: my $helper = Apache::lonhelper::getHelper();
3102: my $result = '';
3103: my $var = $self->{'variable'};
3104:
3105:
3106:
3107: if (defined $self->{ERROR_MSG}) {
3108: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
3109: }
3110:
3111: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3112:
3113: # Use format to get sensible defaults for the margins:
3114:
3115:
3116: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3117: ($papersize) = split(/ /, $papersize);
3118:
3119:
3120: if ($laystyle eq 'L') {
3121: $laystyle = 'album';
3122: } else {
3123: $laystyle = 'book';
3124: }
3125:
3126:
3127: my %size;
3128: ($size{'width_and_units'},
3129: $size{'height_and_units'},
3130: $size{'margin_and_units'})=
3131: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3132:
3133: foreach my $dimension ('width','height','margin') {
3134: ($size{$dimension},$size{$dimension.'_unit'}) =
3135: split(/ +/, $size{$dimension.'_and_units'},2);
3136:
3137: foreach my $unit ('cm','in') {
3138: $size{$dimension.'_options'} .= '<option ';
3139: if ($size{$dimension.'_unit'} eq $unit) {
3140: $size{$dimension.'_options'} .= 'selected="selected" ';
3141: }
3142: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
3143: }
3144: }
3145:
3146: # Adjust margin for LaTeX margin: .. requires units == cm or in.
3147:
3148: if ($size{'margin_unit'} eq 'in') {
3149: $size{'margin'} += 1;
3150: } else {
3151: $size{'margin'} += 2.54;
3152: }
3153: $result .= <<ELEMENTHTML;
3154:
3155:
3156:
3157: <p>How should each column be formatted?</p>
3158:
3159: <table cellpadding='3'>
3160: <tr>
3161: <td align='right'><b>Width</b>:</td>
3162: <td align='left'><input type='text' name='$var.width' value="$size{'width'}" size='4' /></td>
3163: <td align='left'>
3164: <select name='$var.widthunit'>
3165: $size{'width_options'}
3166: </select>
3167: </td>
3168: </tr>
3169: <tr>
3170: <td align='right'><b>Height</b>:</td>
3171: <td align='left'><input type='text' name="$var.height" value="$size{'height'}" size='4' /></td>
3172: <td align='left'>
3173: <select name='$var.heightunit'>
3174: $size{'height_options'}
3175: </select>
3176: </td>
3177: </tr>
3178: <tr>
3179: <td align='right'><b>Left margin</b>:</td>
3180: <td align='left'><input type='text' name='$var.lmargin' value="$size{'margin'}" size='4' /></td>
3181: <td align='left'>
3182: <select name='$var.lmarginunit'>
3183: $size{'margin_options'}
3184: </select>
3185: </td>
3186: </tr>
3187: </table>
3188:
3189: <!--<p>Hint: Some instructors like to leave scratch space for the student by
3190: making the width much smaller than the width of the page.</p>-->
3191:
3192: ELEMENTHTML
3193:
3194: return $result;
3195: }
3196:
3197:
3198: sub preprocess {
3199: my $self = shift;
3200: my $helper = Apache::lonhelper::getHelper();
3201:
3202: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3203:
3204: # If the user does not have 'pav' privilege, set default widths and
3205: # on to the next state right away.
3206: #
3207: if (!$perm{'pav'}) {
3208: my $var = $self->{'variable'};
3209: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3210:
3211: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3212: ($papersize) = split(/ /, $papersize);
3213:
3214:
3215: if ($laystyle eq 'L') {
3216: $laystyle = 'album';
3217: } else {
3218: $laystyle = 'book';
3219: }
3220: # Figure out some good defaults for the print out and set them:
3221:
3222: my %size;
3223: ($size{'width'},
3224: $size{'height'},
3225: $size{'lmargin'})=
3226: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3227:
3228: foreach my $dim ('width', 'height', 'lmargin') {
3229: my ($value, $units) = split(/ /, $size{$dim});
3230:
3231: $helper->{VARS}->{"$var.".$dim} = $value;
3232: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
3233:
3234: }
3235:
3236:
3237: # Transition to the next state
3238:
3239: $helper->changeState($self->{NEXTSTATE});
3240: }
3241:
3242: return 1;
3243: }
3244:
3245: sub postprocess {
3246: my $self = shift;
3247:
3248: my $var = $self->{'variable'};
3249: my $helper = Apache::lonhelper->getHelper();
3250: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
3251: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
3252: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
3253: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
3254: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
3255: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
3256:
3257: my $error = '';
3258:
3259: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
3260: # by an optional period, followed by digits, ending the string
3261:
3262: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3263: $error .= "Invalid width; please type only a number.<br />\n";
3264: }
3265: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3266: $error .= "Invalid height; please type only a number.<br />\n";
3267: }
3268: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3269: $error .= "Invalid left margin; please type only a number.<br />\n";
3270: } else {
3271: # Adjust for LaTeX 1.0 inch margin:
3272:
3273: if ($env{"form.${var}.lmarginunit"} eq "in") {
3274: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
3275: } else {
3276: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
3277: }
3278: }
3279:
3280: if (!$error) {
3281: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
3282: return 1;
3283: } else {
3284: $self->{ERROR_MSG} = $error;
3285: return 0;
3286: }
3287: }
3288:
3289:
3290:
3291: __END__
3292:
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