1: #
2: # The LearningOnline Network
3: # Printout
4: #
5: # $Id: lonprintout.pm,v 1.510 2007/10/11 22:49:49 albertel Exp $
6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: # http://www.lon-capa.org/
27: #
28: #
29: package Apache::lonprintout;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonxml;
34: use Apache::lonnet;
35: use Apache::loncommon;
36: use Apache::inputtags;
37: use Apache::grades;
38: use Apache::edit;
39: use Apache::File();
40: use Apache::lonnavmaps;
41: use LONCAPA::map();
42: use POSIX qw(strftime);
43: use Apache::lonlocal;
44: use Carp;
45: use LONCAPA;
46:
47: my %perm;
48: my %parmhash;
49: my $resources_printed;
50:
51: # Fetch the contents of a resource, uninterpreted.
52: # This is used here to fetch a latex file to be included
53: # verbatim into the printout<
54: # NOTE: Ask Guy if there is a lonnet function similar to this?
55: #
56: # Parameters:
57: # URL of the file
58: #
59: sub fetch_raw_resource {
60: my ($url) = @_;
61:
62: my $filename = &Apache::lonnet::filelocation("", $url);
63: my $contents = &Apache::lonnet::getfile($filename);
64:
65: if ($contents == -1) {
66: return "File open failed for $filename"; # This will bomb the print.
67: }
68: return $contents;
69:
70:
71: }
72:
73: #
74: # printf_style_subst item format_string repl
75: #
76: # Does printf style substitution for a format string that
77: # can have %[n]item in it.. wherever, %[n]item occurs,
78: # rep is substituted in format_string. Note that
79: # [n] is an optional integer length. If provided,
80: # repl is truncated to at most [n] characters prior to
81: # substitution.
82: #
83: sub printf_style_subst {
84: my ($item, $format_string, $repl) = @_;
85: my $result = "";
86: while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
87: my $fmt = $1;
88: my $size = $2;
89: my $subst = $repl;
90: if ($size ne "") {
91: $subst = substr($subst, 0, $size);
92:
93: # Here's a nice edge case.. supose the end of the
94: # substring is a \. In that case may have just
95: # chopped off a TeX escape... in that case, we append
96: # " " for the trailing character, and let the field
97: # spill over a bit (sigh).
98: # We don't just chop off the last character in order to deal
99: # with one last pathology, and that would be if substr had
100: # trimmed us to e.g. \\\
101:
102:
103: if ($subst =~ /\\$/) {
104: $subst .= " ";
105: }
106: }
107: my $item_pos = pos($format_string);
108: $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
109: $format_string = substr($format_string, pos($format_string));
110: }
111:
112: # Put the residual format string into the result:
113:
114: $result .= $format_string;
115:
116: return $result;
117: }
118:
119:
120: # Format a header according to a format.
121: #
122:
123: # Substitutions:
124: # %a - Assignment name.
125: # %c - Course name.
126: # %n - Student name.
127: #
128: sub format_page_header {
129: my ($width, $format, $assignment, $course, $student) = @_;
130:
131: $width = &recalcto_mm($width); # Get width in mm.
132: # Default format?
133:
134: if ($format eq '') {
135: # For the default format, we may need to truncate
136: # elements.. To do this we need to get the page width.
137: # we assume that each character is about 2mm in width.
138: # (correct for the header text size??). We ignore
139: # any formatting (e.g. boldfacing in this).
140: #
141: # - Allow the student/course to be one line.
142: # but only truncate the course.
143: # - Allow the assignment to be 2 lines (wrapped).
144: #
145: my $chars_per_line = $width/2; # Character/textline.
146:
147:
148: my $firstline = "$student $course";
149: if (length($firstline) > $chars_per_line) {
150: my $lastchar = $chars_per_line - length($student) - 1;
151: if ($lastchar > 0) {
152: $course = substr($course, 0, $lastchar);
153: } else { # Nothing left of course:
154: $course = '';
155: }
156: }
157: if (length($assignment) > $chars_per_line) {
158: $assignment = substr($assignment, 0, $chars_per_line);
159: }
160:
161: $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
162:
163: } else {
164: # An open question is how to handle long user formatted page headers...
165: # A possible future is to support e.g. %na so that the user can control
166: # the truncation of the elements that can appear in the header.
167: #
168: $format = &printf_style_subst("a", $format, $assignment);
169: $format = &printf_style_subst("c", $format, $course);
170: $format = &printf_style_subst("n", $format, $student);
171:
172: # If the user put %'s in the format string, they must be escaped
173: # to \% else LaTeX will think they are comments and terminate
174: # the line.. which is bad!!!
175:
176:
177: }
178:
179:
180: return $format;
181:
182: }
183:
184: #
185: # Convert a numeric code to letters
186: #
187: sub num_to_letters {
188: my ($num) = @_;
189: my @nums= split('',$num);
190: my @num_to_let=('A'..'Z');
191: my $word;
192: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
193: return $word;
194: }
195: # Convert a letter code to numeric.
196: #
197: sub letters_to_num {
198: my ($letters) = @_;
199: my @letters = split('', uc($letters));
200: my %substitution;
201: my $digit = 0;
202: foreach my $letter ('A'..'J') {
203: $substitution{$letter} = $digit;
204: $digit++;
205: }
206: # The substitution is done as below to preserve leading
207: # zeroes which are needed to keep the code size exact
208: #
209: my $result ="";
210: foreach my $letter (@letters) {
211: $result.=$substitution{$letter};
212: }
213: return $result;
214: }
215:
216: # Determine if a code is a valid numeric code. Valid
217: # numeric codes must be comprised entirely of digits and
218: # have a correct number of digits.
219: #
220: # Parameters:
221: # value - proposed code value.
222: # num_digits - Number of digits required.
223: #
224: sub is_valid_numeric_code {
225: my ($value, $num_digits) = @_;
226: # Remove leading/trailing whitespace;
227: $value =~ s/^\s*//g;
228: $value =~ s/\s*$//g;
229:
230: # All digits?
231: if ($value !~ /^[0-9]+$/) {
232: return "Numeric code $value has invalid characters - must only be digits";
233: }
234: if (length($value) != $num_digits) {
235: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
236: }
237: return undef;
238: }
239: # Determines if a code is a valid alhpa code. Alpha codes
240: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
241: # They also have a correct digit count.
242: # Parameters:
243: # value - Proposed code value.
244: # num_letters - correct number of letters.
245: # Note:
246: # leading and trailing whitespace are ignored.
247: #
248: sub is_valid_alpha_code {
249: my ($value, $num_letters) = @_;
250:
251: # strip leading and trailing spaces.
252:
253: $value =~ s/^\s*//g;
254: $value =~ s/\s*$//g;
255:
256: # All alphas in the right range?
257: if ($value !~ /^[A-J,a-j]+$/) {
258: return "Invalid letter code $value must only contain A-J";
259: }
260: if (length($value) != $num_letters) {
261: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
262: }
263: return undef;
264: }
265:
266: # Determine if a code entered by the user in a helper is valid.
267: # valid depends on the code type and the type of code selected.
268: # The type of code selected can either be numeric or
269: # Alphabetic. If alphabetic, the code, in fact is a simple
270: # substitution cipher for the actual numeric code: 0->A, 1->B ...
271: # We'll be nice and be case insensitive for alpha codes.
272: # Parameters:
273: # code_value - the value of the code the user typed in.
274: # code_option - The code type selected from the set in the scantron format
275: # table.
276: # Returns:
277: # undef - The code is valid.
278: # other - An error message indicating what's wrong.
279: #
280: sub is_code_valid {
281: my ($code_value, $code_option) = @_;
282: my ($code_type, $code_length) = ('letter', 6); # defaults.
283: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
284: foreach my $line (<FG>) {
285: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
286: if($name eq $code_option) {
287: $code_length = $length;
288: if($type eq 'number') {
289: $code_type = 'number';
290: }
291: }
292: }
293: my $valid;
294: if ($code_type eq 'number') {
295: return &is_valid_numeric_code($code_value, $code_length);
296: } else {
297: return &is_valid_alpha_code($code_value, $code_length);
298: }
299:
300: }
301:
302: # Compare two students by name. The students are in the form
303: # returned by the helper:
304: # user:domain:section:last, first:status
305: # This is a helper function for the perl sort built-in therefore:
306: # Implicit Inputs:
307: # $a - The first element to compare (global)
308: # $b - The second element to compare (global)
309: # Returns:
310: # -1 - $a < $b
311: # 0 - $a == $b
312: # +1 - $a > $b
313: # Note that the initial comparison is done on the last names with the
314: # first names only used to break the tie.
315: #
316: #
317: sub compare_names {
318: # First split the names up into the primary fields.
319:
320: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
321: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
322:
323: # Now split the last name and first name of each n:
324: #
325:
326: my ($l1,$f1) = split(/,/, $n1);
327: my ($l2,$f2) = split(/,/, $n2);
328:
329: # We don't bother to remove the leading/trailing whitespace from the
330: # firstname, unless the last names compare identical.
331:
332: if($l1 lt $l2) {
333: return -1;
334: }
335: if($l1 gt $l2) {
336: return 1;
337: }
338:
339: # Break the tie on the first name, but there are leading (possibly trailing
340: # whitespaces to get rid of first
341: #
342: $f1 =~ s/^\s+//; # Remove leading...
343: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
344:
345: $f2 =~ s/^\s+//;
346: $f2 =~ s/\s+$//; # And the same for first 2...
347:
348: if($f1 lt $f2) {
349: return -1;
350: }
351: if($f1 gt $f2) {
352: return 1;
353: }
354:
355: # Must be the same name.
356:
357: return 0;
358: }
359:
360: sub latex_header_footer_remove {
361: my $text = shift;
362: $text =~ s/\\end{document}//;
363: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
364: return $text;
365: }
366: #
367: # If necessary, encapsulate text inside
368: # a minipage env.
369: # necessity is determined by the problem_split param.
370: #
371: sub encapsulate_minipage {
372: my ($text) = @_;
373: if (!($env{'form.problem.split'} =~ /yes/i)) {
374: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
375: }
376: return $text;
377: }
378: #
379: # The NUMBER_TO_PRINT and SPLIT_PDFS
380: # variables interact, this sub looks at these two parameters
381: # and comes up with a final value for NUMBER_TO_PRINT which can be:
382: # all - if SPLIT_PDFS eq 'all'.
383: # 1 - if SPLIT_PDFS eq 'oneper'
384: # section - if SPLIT_PDFS eq 'sections'
385: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
386: #
387: sub adjust_number_to_print {
388: my $helper = shift;
389:
390: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
391:
392: if ($split_pdf eq 'all') {
393: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
394: } elsif ($split_pdf eq 'oneper') {
395: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
396: } elsif ($split_pdf eq 'sections') {
397: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
398: } elsif ($split_pdf eq 'usenumber') {
399: # Unmodified.
400: } else {
401: # Error!!!!
402:
403: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
404: }
405: }
406:
407: sub character_chart {
408: my $result = shift;
409: $result =~ s/&\#0?0?(7|9);//g;
410: $result =~ s/&\#0?(10|13);//g;
411: $result =~ s/&\#0?32;/ /g;
412: $result =~ s/&\#0?33;/!/g;
413: $result =~ s/&(\#0?34|quot);/\"/g;
414: $result =~ s/&\#0?35;/\\\#/g;
415: $result =~ s/&\#0?36;/\\\$/g;
416: $result =~ s/&\#0?37;/\\%/g;
417: $result =~ s/&(\#0?38|amp);/\\&/g;
418: $result =~ s/&\#(0?39|146);/\'/g;
419: $result =~ s/&\#0?40;/(/g;
420: $result =~ s/&\#0?41;/)/g;
421: $result =~ s/&\#0?42;/\*/g;
422: $result =~ s/&\#0?43;/\+/g;
423: $result =~ s/&\#(0?44|130);/,/g;
424: $result =~ s/&\#0?45;/-/g;
425: $result =~ s/&\#0?46;/\./g;
426: $result =~ s/&\#0?47;/\//g;
427: $result =~ s/&\#0?48;/0/g;
428: $result =~ s/&\#0?49;/1/g;
429: $result =~ s/&\#0?50;/2/g;
430: $result =~ s/&\#0?51;/3/g;
431: $result =~ s/&\#0?52;/4/g;
432: $result =~ s/&\#0?53;/5/g;
433: $result =~ s/&\#0?54;/6/g;
434: $result =~ s/&\#0?55;/7/g;
435: $result =~ s/&\#0?56;/8/g;
436: $result =~ s/&\#0?57;/9/g;
437: $result =~ s/&\#0?58;/:/g;
438: $result =~ s/&\#0?59;/;/g;
439: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
440: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
441: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
442: $result =~ s/&\#0?63;/\?/g;
443: $result =~ s/&\#0?65;/A/g;
444: $result =~ s/&\#0?66;/B/g;
445: $result =~ s/&\#0?67;/C/g;
446: $result =~ s/&\#0?68;/D/g;
447: $result =~ s/&\#0?69;/E/g;
448: $result =~ s/&\#0?70;/F/g;
449: $result =~ s/&\#0?71;/G/g;
450: $result =~ s/&\#0?72;/H/g;
451: $result =~ s/&\#0?73;/I/g;
452: $result =~ s/&\#0?74;/J/g;
453: $result =~ s/&\#0?75;/K/g;
454: $result =~ s/&\#0?76;/L/g;
455: $result =~ s/&\#0?77;/M/g;
456: $result =~ s/&\#0?78;/N/g;
457: $result =~ s/&\#0?79;/O/g;
458: $result =~ s/&\#0?80;/P/g;
459: $result =~ s/&\#0?81;/Q/g;
460: $result =~ s/&\#0?82;/R/g;
461: $result =~ s/&\#0?83;/S/g;
462: $result =~ s/&\#0?84;/T/g;
463: $result =~ s/&\#0?85;/U/g;
464: $result =~ s/&\#0?86;/V/g;
465: $result =~ s/&\#0?87;/W/g;
466: $result =~ s/&\#0?88;/X/g;
467: $result =~ s/&\#0?89;/Y/g;
468: $result =~ s/&\#0?90;/Z/g;
469: $result =~ s/&\#0?91;/[/g;
470: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
471: $result =~ s/&\#0?93;/]/g;
472: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
473: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
474: $result =~ s/&\#(0?96|145);/\`/g;
475: $result =~ s/&\#0?97;/a/g;
476: $result =~ s/&\#0?98;/b/g;
477: $result =~ s/&\#0?99;/c/g;
478: $result =~ s/&\#100;/d/g;
479: $result =~ s/&\#101;/e/g;
480: $result =~ s/&\#102;/f/g;
481: $result =~ s/&\#103;/g/g;
482: $result =~ s/&\#104;/h/g;
483: $result =~ s/&\#105;/i/g;
484: $result =~ s/&\#106;/j/g;
485: $result =~ s/&\#107;/k/g;
486: $result =~ s/&\#108;/l/g;
487: $result =~ s/&\#109;/m/g;
488: $result =~ s/&\#110;/n/g;
489: $result =~ s/&\#111;/o/g;
490: $result =~ s/&\#112;/p/g;
491: $result =~ s/&\#113;/q/g;
492: $result =~ s/&\#114;/r/g;
493: $result =~ s/&\#115;/s/g;
494: $result =~ s/&\#116;/t/g;
495: $result =~ s/&\#117;/u/g;
496: $result =~ s/&\#118;/v/g;
497: $result =~ s/&\#119;/w/g;
498: $result =~ s/&\#120;/x/g;
499: $result =~ s/&\#121;/y/g;
500: $result =~ s/&\#122;/z/g;
501: $result =~ s/&\#123;/\\{/g;
502: $result =~ s/&\#124;/\|/g;
503: $result =~ s/&\#125;/\\}/g;
504: $result =~ s/&\#126;/\~/g;
505: $result =~ s/&\#131;/\\textflorin /g;
506: $result =~ s/&\#132;/\"/g;
507: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
508: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
509: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
510: $result =~ s/&\#137;/\\textperthousand /g;
511: $result =~ s/&\#140;/{\\OE}/g;
512: $result =~ s/&\#147;/\`\`/g;
513: $result =~ s/&\#148;/\'\'/g;
514: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
515: $result =~ s/&(\#150|\#8211);/--/g;
516: $result =~ s/&\#151;/---/g;
517: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
518: $result =~ s/&\#153;/\\texttrademark /g;
519: $result =~ s/&\#156;/\\oe/g;
520: $result =~ s/&\#159;/\\\"Y/g;
521: $result =~ s/&(\#160|nbsp);/~/g;
522: $result =~ s/&(\#161|iexcl);/!\`/g;
523: $result =~ s/&(\#162|cent);/\\textcent /g;
524: $result =~ s/&(\#163|pound);/\\pounds /g;
525: $result =~ s/&(\#164|curren);/\\textcurrency /g;
526: $result =~ s/&(\#165|yen);/\\textyen /g;
527: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
528: $result =~ s/&(\#167|sect);/\\textsection /g;
529: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
530: $result =~ s/&(\#169|copy);/\\copyright /g;
531: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
532: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
533: $result =~ s/&(\#173|shy);/ - /g;
534: $result =~ s/&(\#174|reg);/\\textregistered /g;
535: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
536: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
537: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
538: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
539: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
540: $result =~ s/&(\#180|acute);/\\textacute /g;
541: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
542: $result =~ s/&(\#182|para);/\\P/g;
543: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
544: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
545: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
546: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
547: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
548: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
549: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
550: $result =~ s/&(\#191|iquest);/?\`/g;
551: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
552: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
553: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
554: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
555: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
556: $result =~ s/&(\#197|Aring);/{\\AA}/g;
557: $result =~ s/&(\#198|AElig);/{\\AE}/g;
558: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
559: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
560: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
561: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
562: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
563: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
564: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
565: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
566: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
567: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
568: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
569: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
570: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
571: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
572: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
573: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
574: $result =~ s/&(\#216|Oslash);/{\\O}/g;
575: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
576: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
577: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
578: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
579: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
580: $result =~ s/&(\#223|szlig);/{\\ss}/g;
581: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
582: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
583: $result =~ s/&(\#226|acirc);/\\^{a}/g;
584: $result =~ s/&(\#227|atilde);/\\~{a}/g;
585: $result =~ s/&(\#228|auml);/\\\"{a}/g;
586: $result =~ s/&(\#229|aring);/{\\aa}/g;
587: $result =~ s/&(\#230|aelig);/{\\ae}/g;
588: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
589: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
590: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
591: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
592: $result =~ s/&(\#235|euml);/\\\"{e}/g;
593: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
594: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
595: $result =~ s/&(\#238|icirc);/\\^{i}/g;
596: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
597: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
598: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
599: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
600: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
601: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
602: $result =~ s/&(\#245|otilde);/\\~{o}/g;
603: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
604: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
605: $result =~ s/&(\#248|oslash);/{\\o}/g;
606: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
607: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
608: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
609: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
610: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
611: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
612: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
613: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
614: #Greek Alphabet
615: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
616: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
617: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
618: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
619: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
620: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
621: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
622: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
623: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
624: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
625: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
626: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
627: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
628: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
629: $result =~ s/&(omicron|\#959);/o/g;
630: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
631: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
632: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
633: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
634: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
635: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
636: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
637: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
638: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
639: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
640: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
641: $result =~ s/&(Alpha|\#913);/A/g;
642: $result =~ s/&(Beta|\#914);/B/g;
643: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
644: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
645: $result =~ s/&(Epsilon|\#917);/E/g;
646: $result =~ s/&(Zeta|\#918);/Z/g;
647: $result =~ s/&(Eta|\#919);/H/g;
648: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
649: $result =~ s/&(Iota|\#921);/I/g;
650: $result =~ s/&(Kappa|\#922);/K/g;
651: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
652: $result =~ s/&(Mu|\#924);/M/g;
653: $result =~ s/&(Nu|\#925);/N/g;
654: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
655: $result =~ s/&(Omicron|\#927);/O/g;
656: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
657: $result =~ s/&(Rho|\#929);/P/g;
658: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
659: $result =~ s/&(Tau|\#932);/T/g;
660: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
661: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
662: $result =~ s/&(Chi|\#935);/X/g;
663: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
664: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
665: #Arrows (extended HTML 4.01)
666: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
667: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
668: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
669: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
670: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
671: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
672: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
673: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
674: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
675: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
676: #Mathematical Operators (extended HTML 4.01)
677: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
678: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
679: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
680: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
681: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
682: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
683: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
684: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
685: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
686: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
687: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
688: $result =~ s/–/\\ensuremath\{-\}/g;
689: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
690: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
691: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
692: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
693: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
694: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
695: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
696: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
697: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
698: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
699: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
700: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
701: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
702: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
703: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
704: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
705: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
706: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
707: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
708: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
709: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
710: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
711: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
712: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
713: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
714: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
715: #Geometric Shapes (extended HTML 4.01)
716: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
717: #Miscellaneous Symbols (extended HTML 4.01)
718: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
719: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
720: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
721: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
722: # Chemically useful 'things' contributed by Hon Kie (bug 4652).
723: $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
724: $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
725: $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
726: $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
727: $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
728: $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
729: $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
730: $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
731: $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
732: $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
733: $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
734: $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
735: $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
736: return $result;
737: }
738:
739:
740: #width, height, oddsidemargin, evensidemargin, topmargin
741: my %page_formats=
742: ('letter' => {
743: 'book' => {
744: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
745: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
746: },
747: 'album' => {
748: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'],
749: '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
750: },
751: },
752: 'legal' => {
753: 'book' => {
754: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
755: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
756: },
757: 'album' => {
758: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
759: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
760: },
761: },
762: 'tabloid' => {
763: 'book' => {
764: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
765: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
766: },
767: 'album' => {
768: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
769: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
770: },
771: },
772: 'executive' => {
773: 'book' => {
774: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
775: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
776: },
777: 'album' => {
778: '1' => [],
779: '2' => []
780: },
781: },
782: 'a2' => {
783: 'book' => {
784: '1' => [],
785: '2' => []
786: },
787: 'album' => {
788: '1' => [],
789: '2' => []
790: },
791: },
792: 'a3' => {
793: 'book' => {
794: '1' => [],
795: '2' => []
796: },
797: 'album' => {
798: '1' => [],
799: '2' => []
800: },
801: },
802: 'a4' => {
803: 'book' => {
804: '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
805: '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
806: },
807: 'album' => {
808: '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
809: '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
810: },
811: },
812: 'a5' => {
813: 'book' => {
814: '1' => [],
815: '2' => []
816: },
817: 'album' => {
818: '1' => [],
819: '2' => []
820: },
821: },
822: 'a6' => {
823: 'book' => {
824: '1' => [],
825: '2' => []
826: },
827: 'album' => {
828: '1' => [],
829: '2' => []
830: },
831: },
832: );
833:
834: sub page_format {
835: #
836: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
837: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
838: # "A2 [420x594 mm]", "A3 [297x420 mm]",
839: # "A4 [210x297 mm]", "A5 [148x210 mm]",
840: # "A6 [105x148 mm]"
841: #
842: my ($papersize,$layout,$numberofcolumns) = @_;
843: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
844: }
845:
846:
847: sub get_name {
848: my ($uname,$udom)=@_;
849: if (!defined($uname)) { $uname=$env{'user.name'}; }
850: if (!defined($udom)) { $udom=$env{'user.domain'}; }
851: my $plainname=&Apache::loncommon::plainname($uname,$udom);
852: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
853: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
854: return $plainname;
855: }
856:
857: sub get_course {
858: my $courseidinfo;
859: if (defined($env{'request.course.id'})) {
860: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
861: }
862: return $courseidinfo;
863: }
864:
865: sub page_format_transformation {
866: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
867: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
868:
869: if ($selectionmade eq '4') {
870: if ($choice eq 'all_problems') {
871: $assignment='Problems from the Whole Course';
872: } else {
873: $assignment='Resources from the Whole Course';
874: }
875: } else {
876: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
877: }
878: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
879:
880:
881: my $name = &get_name();
882: my $courseidinfo = &get_course();
883: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
884: my $header_text = $parmhash{'print_header_format'};
885: $header_text = &format_page_header($textwidth, $header_text, $assignment,
886: $courseidinfo, $name);
887: my $topmargintoinsert = '';
888: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
889: my $fancypagestatement='';
890: if ($numberofcolumns eq '2') {
891: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
892: } else {
893: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
894: }
895: if ($layout eq 'album') {
896: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
897: } elsif ($layout eq 'book') {
898: if ($choice ne 'All class print') {
899: $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/;
900: } else {
901: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
902: }
903: if ($papersize eq 'a4') {
904: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
905: }
906: }
907: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
908: if ($indexlist eq 'yes') {
909: $text=~s/(\\begin{document})/\\makeindex $1/;
910: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
911: }
912: return $text;
913: }
914:
915:
916: sub page_cleanup {
917: my $result = shift;
918:
919: $result =~ m/\\end{document}(\d*)$/;
920: my $number_of_columns = $1;
921: my $insert = '{';
922: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
923: $insert .= '}';
924: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
925: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
926: return $result,$number_of_columns;
927: }
928:
929:
930: sub details_for_menu {
931: my ($helper)=@_;
932: my $postdata=$env{'form.postdata'};
933: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
934: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
935: my $symbolic = &Apache::lonnet::symbread($postdata);
936: return if ( $symbolic eq '');
937:
938: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
939: $map=&Apache::lonnet::clutter($map);
940: my $name_of_sequence = &Apache::lonnet::gettitle($map);
941: if ($name_of_sequence =~ /^\s*$/) {
942: $map =~ m|([^/]+)$|;
943: $name_of_sequence = $1;
944: }
945: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
946: if ($name_of_map =~ /^\s*$/) {
947: $env{'request.course.uri'} =~ m|([^/]+)$|;
948: $name_of_map = $1;
949: }
950: return ($name_of_resource,$name_of_sequence,$name_of_map);
951: }
952:
953: sub copyright_line {
954: 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 } ';
955: }
956: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
957:
958: sub latex_corrections {
959: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
960: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
961: my $copyright = ©right_line();
962: if ($selectionmade eq '1' || $answer_mode eq 'only') {
963: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
964: } else {
965: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
966: }
967: $result =~ s/\$number_of_columns/$number_of_columns/g;
968: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
969: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
970: #-- LaTeX corrections
971: my $first_comment = index($result,'<!--',0);
972: while ($first_comment != -1) {
973: my $end_comment = index($result,'-->',$first_comment);
974: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
975: $first_comment = index($result,'<!--',$first_comment);
976: }
977: $result =~ s/^\s+$//gm; #remove empty lines
978: #removes more than one empty space
979: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
980: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
981: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
982: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
983: $result =~ s/\\\\\s+\[/ \[/g;
984: #conversion of html characters to LaTeX equivalents
985: if ($result =~ m/&(\w+|#\d+);/) {
986: $result = &character_chart($result);
987: }
988: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
989: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
990: return $result;
991: }
992:
993:
994: sub index_table {
995: my $currentURL = shift;
996: my $insex_string='';
997: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
998: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
999: return $insex_string;
1000: }
1001:
1002:
1003: sub IndexCreation {
1004: my ($texversion,$currentURL)=@_;
1005: my @key_words=split(/,/,&index_table($currentURL));
1006: my $chunk='';
1007: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
1008: if ($st>0) {
1009: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
1010: $chunk=substr($texversion,0,$st+1);
1011: substr($texversion,0,$st+1)=' ';
1012: }
1013: foreach my $key_word (@key_words) {
1014: if ($key_word=~/\S+/) {
1015: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
1016: }
1017: }
1018: if ($st>0) {substr($texversion,0,1)=$chunk;}
1019: return $texversion;
1020: }
1021:
1022: sub print_latex_header {
1023: my $mode=shift;
1024: my $output='\documentclass[letterpaper,twoside]{article}\raggedbottom';
1025: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
1026: $output.='\batchmode';
1027: }
1028: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
1029: '\usepackage{multirow}'."\n".
1030: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
1031: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
1032: '\usepackage{wrapfig}'.
1033: '\usepackage{picins}\usepackage{calc}'."\n".
1034: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
1035: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
1036: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
1037: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
1038: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
1039: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
1040: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
1041: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
1042: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
1043: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
1044: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
1045: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
1046: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1047: return $output;
1048: }
1049:
1050: sub path_to_problem {
1051: my ($urlp,$colwidth)=@_;
1052: $urlp=&Apache::lonnet::clutter($urlp);
1053:
1054: my $newurlp = '';
1055: $colwidth=~s/\s*mm\s*$//;
1056: #characters average about 2 mm in width
1057: if (length($urlp)*2 > $colwidth) {
1058: my @elements = split('/',$urlp);
1059: my $curlength=0;
1060: foreach my $element (@elements) {
1061: if ($element eq '') { next; }
1062: if ($curlength+(length($element)*2) > $colwidth) {
1063: $newurlp .= '|\vskip -1 mm \verb|';
1064: $curlength=length($element)*2;
1065: } else {
1066: $curlength+=length($element)*2;
1067: }
1068: $newurlp.='/'.$element;
1069: }
1070: } else {
1071: $newurlp=$urlp;
1072: }
1073: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
1074: }
1075:
1076: sub recalcto_mm {
1077: my $textwidth=shift;
1078: my $LaTeXwidth;
1079: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1080: $LaTeXwidth = $1*10;
1081: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1082: $LaTeXwidth = $1;
1083: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1084: $LaTeXwidth = $1*25.4;
1085: }
1086: $LaTeXwidth.=' mm';
1087: return $LaTeXwidth;
1088: }
1089:
1090: sub get_textwidth {
1091: my ($helper,$LaTeXwidth)=@_;
1092: my $textwidth=$LaTeXwidth;
1093: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
1094: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1095: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
1096: $helper->{'VARS'}->{'pagesize.widthunit'});
1097: }
1098: return $textwidth;
1099: }
1100:
1101:
1102: sub unsupported {
1103: my ($currentURL,$mode,$symb)=@_;
1104: if ($mode ne '') {$mode='\\'.$mode}
1105: my $result.= &print_latex_header($mode);
1106: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
1107: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
1108: my $title=&Apache::lonnet::gettitle($symb);
1109: $title = &Apache::lonxml::latex_special_symbols($title);
1110: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1111: } else {
1112: $result.=$currentURL;
1113: }
1114: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1115: return $result;
1116: }
1117:
1118:
1119: #
1120: # List of recently generated print files
1121: #
1122: sub recently_generated {
1123: my $r=shift;
1124: my $prtspool=$r->dir_config('lonPrtDir');
1125: my $zip_result;
1126: my $pdf_result;
1127: opendir(DIR,$prtspool);
1128:
1129: my @files =
1130: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1131: closedir(DIR);
1132:
1133: @files = sort {
1134: my ($actime) = (stat($prtspool.'/'.$a))[10];
1135: my ($bctime) = (stat($prtspool.'/'.$b))[10];
1136: return $bctime <=> $actime;
1137: } (@files);
1138:
1139: foreach my $filename (@files) {
1140: my ($ext) = ($filename =~ m/(pdf|zip)$/);
1141: my ($cdev,$cino,$cmode,$cnlink,
1142: $cuid,$cgid,$crdev,$csize,
1143: $catime,$cmtime,$cctime,
1144: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1145: my $result="<a href='/prtspool/$filename'>".
1146: &mt('Generated [_1] ([_2] bytes)',
1147: &Apache::lonlocal::locallocaltime($cctime),$csize).
1148: '</a><br />';
1149: if ($ext eq 'pdf') { $pdf_result .= $result; }
1150: if ($ext eq 'zip') { $zip_result .= $result; }
1151: }
1152: if ($zip_result) {
1153: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
1154: .$zip_result);
1155: }
1156: if ($pdf_result) {
1157: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
1158: .$pdf_result);
1159: }
1160: }
1161:
1162: #
1163: # Retrieve the hash of page breaks.
1164: #
1165: # Inputs:
1166: # helper - reference to helper object.
1167: # Outputs
1168: # A reference to a page break hash.
1169: #
1170: #
1171: #use Data::Dumper;
1172: #sub dump_helper_vars {
1173: # my ($helper) = @_;
1174: # my $helpervars = Dumper($helper->{'VARS'});
1175: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
1176: #}
1177:
1178: sub get_page_breaks {
1179: my ($helper) = @_;
1180: my %page_breaks;
1181:
1182: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1183: $page_breaks{$break} = 1;
1184: }
1185: return %page_breaks;
1186: }
1187:
1188: # Output a sequence (recursively if neeed)
1189: # from construction space.
1190: # Parameters:
1191: # url = URL of the sequence to print.
1192: # helper - Reference to the helper hash.
1193: # form - Copy of the format hash.
1194: # LaTeXWidth
1195: # Returns:
1196: # Text to add to the printout.
1197: # NOTE if the first element of the outermost sequence
1198: # is itself a sequence, the outermost caller may need to
1199: # prefix the latex with the page headers stuff.
1200: #
1201: sub print_construction_sequence {
1202: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1203: my $result;
1204: my $rndseed=time;
1205: if ($helper->{'VARS'}->{'curseed'}) {
1206: $rndseed=$helper->{'VARS'}->{'curseed'};
1207: }
1208: my $errtext=&LONCAPA::map::mapread($currentURL);
1209: #
1210: # These make this all support recursing for subsequences.
1211: #
1212: my @order = @LONCAPA::map::order;
1213: my @resources = @LONCAPA::map::resources;
1214: for (my $member=0;$member<=$#order;$member++) {
1215: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
1216: my $urlp=$2;
1217: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1218: my $texversion='';
1219: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1220: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1221: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1222: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1223: $form{'rndseed'}=$rndseed;
1224: $resources_printed .=$urlp.':';
1225: $texversion=&Apache::lonnet::ssi($urlp,%form);
1226: }
1227: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1228: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1229: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1230: # Don't permanently modify %$form...
1231: my %answerform = %form;
1232: $answerform{'grade_target'}='answer';
1233: $answerform{'answer_output_mode'}='tex';
1234: $answerform{'rndseed'}=$rndseed;
1235: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1236: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1237: $resources_printed .= $urlp.':';
1238: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1239: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1240: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1241: } else {
1242: # If necessary, encapsulate answer in minipage:
1243:
1244: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1245: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
1246: $title = &Apache::lonxml::latex_special_symbols($title);
1247: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1248: $body.=&path_to_problem($urlp,$LaTeXwidth);
1249: $body.='\vskip 1 mm '.$answer.'\end{document}';
1250: $body = &encapsulate_minipage($body);
1251: $texversion.=$body;
1252: }
1253: }
1254: $texversion = &latex_header_footer_remove($texversion);
1255:
1256: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1257: $texversion=&IndexCreation($texversion,$urlp);
1258: }
1259: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1260: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1261: }
1262: $result.=$texversion;
1263:
1264: } elsif ($urlp=~/\.(sequence|page)$/) {
1265:
1266: # header:
1267:
1268: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1269:
1270: # IF sequence, recurse:
1271:
1272: if ($urlp =~ /\.sequence$/) {
1273: my $sequence_url = $urlp;
1274: my $domain = $env{'user.domain'}; # Constr. space only on local
1275: my $user = $env{'user.name'};
1276:
1277: $sequence_url =~ s/^\/res\/$domain/\/home/;
1278: $sequence_url =~ s/^(\/home\/$user)/$1\/public_html/;
1279: # $sequence_url =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1280: $result .= &print_construction_sequence($sequence_url,
1281: $helper, %form,
1282: $LaTeXwidth);
1283: }
1284: }
1285: }
1286: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1287: return $result;
1288: }
1289:
1290: sub output_data {
1291: my ($r,$helper,$rparmhash) = @_;
1292: my %parmhash = %$rparmhash;
1293: $resources_printed = '';
1294: my $do_postprocessing = 1;
1295: my $js = <<ENDPART;
1296: <script type="text/javascript">
1297: var editbrowser;
1298: function openbrowser(formname,elementname,only,omit) {
1299: var url = '/res/?';
1300: if (editbrowser == null) {
1301: url += 'launch=1&';
1302: }
1303: url += 'catalogmode=interactive&';
1304: url += 'mode=parmset&';
1305: url += 'form=' + formname + '&';
1306: if (only != null) {
1307: url += 'only=' + only + '&';
1308: }
1309: if (omit != null) {
1310: url += 'omit=' + omit + '&';
1311: }
1312: url += 'element=' + elementname + '';
1313: var title = 'Browser';
1314: var options = 'scrollbars=1,resizable=1,menubar=0';
1315: options += ',width=700,height=600';
1316: editbrowser = open(url,title,options,'1');
1317: editbrowser.focus();
1318: }
1319: </script>
1320: ENDPART
1321:
1322: my $start_page = &Apache::loncommon::start_page('Preparing Printout',$js);
1323: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1324:
1325: $r->print($start_page."\n<p>\n$msg\n</p>\n");
1326:
1327: # fetch the pagebreaks and store them in the course environment
1328: # The page breaks will be pulled into the hash %page_breaks which is
1329: # indexed by symb and contains 1's for each break.
1330:
1331: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1332: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1333: &Apache::loncommon::store_course_settings('print',
1334: {'pagebreaks' => 'scalar',
1335: 'lastprinttype' => 'scalar'});
1336:
1337: my %page_breaks = &get_page_breaks($helper);
1338:
1339: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1340: my ($result,$selectionmade) = ('','');
1341: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1342: my @temporary_array=split /\|/,$format_from_helper;
1343: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1344: if ($laystyle eq 'L') {
1345: $laystyle='album';
1346: } else {
1347: $laystyle='book';
1348: }
1349: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1350: my $assignment = $env{'form.assignment'};
1351: my $LaTeXwidth=&recalcto_mm($textwidth);
1352: my @print_array=();
1353: my @student_names=();
1354:
1355: # Common settings for the %form has:
1356: # In some cases these settings get overriddent by specific cases, but the
1357: # settings are common enough to make it worthwhile factoring them out
1358: # here.
1359: #
1360: my %form;
1361: $form{'grade_target'} = 'tex';
1362: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1363:
1364: # If form.showallfoils is set, then request all foils be shown:
1365: # privilege will be enforced both by not allowing the
1366: # check box selecting this option to be presnt unless it's ok,
1367: # and by lonresponse's priv. check.
1368: # The if is here because lonresponse.pm only cares that
1369: # showallfoils is defined, not what the value is.
1370:
1371: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1372: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1373: }
1374:
1375: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1376: &Apache::lonnet::appenv('construct.style' =>
1377: $helper->{'VARS'}->{'style_file'});
1378: } elsif ($env{'construct.style'}) {
1379: &Apache::lonnet::delenv('construct\\.style');
1380: }
1381:
1382:
1383: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1384: #-- single document - problem, page, html, xml, ...
1385: my ($currentURL,$cleanURL);
1386:
1387: if ($helper->{'VARS'}->{'construction'} ne '1') {
1388: #prints published resource
1389: $currentURL=$helper->{'VARS'}->{'postdata'};
1390: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1391: } else {
1392: #prints resource from the construction space
1393: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1394: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1395: $cleanURL=$currentURL;
1396: }
1397: $selectionmade = 1;
1398: if ($cleanURL!~m|^/adm/|
1399: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1400: my $rndseed=time;
1401: my $texversion='';
1402: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1403: my %moreenv;
1404: $moreenv{'request.filename'}=$cleanURL;
1405: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1406: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1407: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1408: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1409: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1410: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1411: if ($helper->{'VARS'}->{'curseed'}) {
1412: $rndseed=$helper->{'VARS'}->{'curseed'};
1413: }
1414: $form{'rndseed'}=$rndseed;
1415: &Apache::lonnet::appenv(%moreenv);
1416:
1417: &Apache::lonxml::clear_problem_counter();
1418:
1419: $resources_printed .= $currentURL.':';
1420: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1421:
1422: &Apache::lonxml::clear_problem_counter();
1423:
1424: &Apache::lonnet::delenv('request.filename');
1425: }
1426: # current document with answers.. no need to encap in minipage
1427: # since there's only one answer.
1428:
1429: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1430: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1431: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1432: $form{'grade_target'}='answer';
1433: $form{'answer_output_mode'}='tex';
1434: $form{'rndseed'}=$rndseed;
1435: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1436: $form{'problemtype'}='exam';
1437: }
1438: $resources_printed .= $currentURL.':';
1439: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1440: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1441: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1442: } else {
1443: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1444: if ($helper->{'VARS'}->{'construction'} ne '1') {
1445: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
1446: $title = &Apache::lonxml::latex_special_symbols($title);
1447: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1448: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1449: } else {
1450: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1451: my $URLpath=$cleanURL;
1452: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1453: $texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1454: }
1455: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1456: }
1457: }
1458: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1459: $texversion=&IndexCreation($texversion,$currentURL);
1460: }
1461: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1462: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1463:
1464: }
1465: $result .= $texversion;
1466: if ($currentURL=~m/\.page\s*$/) {
1467: ($result,$number_of_columns) = &page_cleanup($result);
1468: }
1469: } elsif ($cleanURL!~m|^/adm/|
1470: && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1471: #printing content of sequence from the construction space
1472: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1473: $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1474: $result .= &print_construction_sequence($currentURL, $helper, %form,
1475: $LaTeXwidth);
1476: $result .= '\end{document}';
1477: if (!($result =~ /\\begin\{document\}/)) {
1478: $result = &print_latex_header() . $result;
1479: }
1480: # End construction space sequence.
1481: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1482: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1483: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1484: $resources_printed .= $currentURL.':';
1485: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1486: $result .= $texversion;
1487: } elsif ($cleanURL =~/.tex$/) {
1488: # For this sort of print of a single LaTeX file,
1489: # We can just print the LaTeX file as it is uninterpreted in any way:
1490: #
1491:
1492: $result = &fetch_raw_resource($currentURL);
1493: $do_postprocessing = 0; # Don't massage the result.
1494:
1495: } else {
1496: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
1497: $helper->{'VARS'}->{'symb'});
1498: }
1499: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1500: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1501: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1502: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1503: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1504: #-- produce an output string
1505: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1506: $selectionmade = 2;
1507: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1508: $selectionmade = 3;
1509: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1510: $selectionmade = 4;
1511: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1512: $selectionmade = 4;
1513: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1514: $selectionmade = 7;
1515: }
1516: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1517: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1518: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1519: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1520: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1521: my $flag_latex_header_remove = 'NO';
1522: my $flag_page_in_sequence = 'NO';
1523: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1524: my $prevassignment='';
1525:
1526: &Apache::lonxml::clear_problem_counter();
1527:
1528: my $pbreakresources = keys %page_breaks;
1529: for (my $i=0;$i<=$#master_seq;$i++) {
1530:
1531: # Note due to document structure, not allowed to put \newpage
1532: # prior to the first resource
1533:
1534: if (defined $page_breaks{$master_seq[$i]}) {
1535: if($i != 0) {
1536: $result.="\\newpage\n";
1537: }
1538: }
1539: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1540: $urlp=&Apache::lonnet::clutter($urlp);
1541: $form{'symb'}=$master_seq[$i];
1542:
1543: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1544: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1545: if ($i==0) {$prevassignment=$assignment;}
1546: my $texversion='';
1547: if ($urlp!~m|^/adm/|
1548: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1549: $resources_printed .= $urlp.':';
1550:
1551: &Apache::lonxml::remember_problem_counter();
1552: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1553: if ($urlp=~/\.page$/) {
1554: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1555: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1556: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1557: $flag_page_in_sequence = 'YES';
1558: }
1559:
1560: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1561: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1562: # Don't permanently pervert the %form hash
1563: my %answerform = %form;
1564: $answerform{'grade_target'}='answer';
1565: $answerform{'answer_output_mode'}='tex';
1566: $resources_printed .= $urlp.':';
1567:
1568: &Apache::lonxml::restore_problem_counter();
1569: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1570:
1571: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1572: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1573: } else {
1574: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1575: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1576: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
1577: $title = &Apache::lonxml::latex_special_symbols($title);
1578: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1579: $body .= &path_to_problem ($urlp,$LaTeXwidth);
1580: $body .='\vskip 1 mm '.$answer;
1581: $body = &encapsulate_minipage($body);
1582: $texversion .= $body;
1583: } else {
1584: $texversion='';
1585: }
1586: }
1587: }
1588: if ($flag_latex_header_remove ne 'NO') {
1589: $texversion = &latex_header_footer_remove($texversion);
1590: } else {
1591: $texversion =~ s/\\end{document}//;
1592: }
1593: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1594: $texversion=&IndexCreation($texversion,$urlp);
1595: }
1596: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1597: my $name = &get_name();
1598: my $courseidinfo = &get_course();
1599: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1600: $prevassignment=$assignment;
1601: my $header_text = $parmhash{'print_header_format'};
1602: $header_text = &format_page_header($textwidth, $header_text,
1603: $assignment,
1604: $courseidinfo,
1605: $name);
1606: if ($numberofcolumns eq '1') {
1607: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1608: } else {
1609: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1610: }
1611: }
1612: $result .= $texversion;
1613: $flag_latex_header_remove = 'YES';
1614: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1615: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1616: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1617: $resources_printed .= $urlp.':';
1618: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1619: if ($flag_latex_header_remove ne 'NO') {
1620: $texversion = &latex_header_footer_remove($texversion);
1621: } else {
1622: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1623: }
1624: $result .= $texversion;
1625: $flag_latex_header_remove = 'YES';
1626: } else {
1627: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
1628: $master_seq[$i]);
1629: if ($flag_latex_header_remove ne 'NO') {
1630: $texversion = &latex_header_footer_remove($texversion);
1631: } else {
1632: $texversion =~ s/\\end{document}//;
1633: }
1634: $result .= $texversion;
1635: $flag_latex_header_remove = 'YES';
1636: }
1637: if (&Apache::loncommon::connection_aborted($r)) { last; }
1638: }
1639: &Apache::lonxml::clear_problem_counter();
1640: if ($flag_page_in_sequence eq 'YES') {
1641: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1642: }
1643: $result .= '\end{document}';
1644: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1645: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1646:
1647:
1648: #-- prints assignments for whole class or for selected students
1649: my $type;
1650: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1651: $selectionmade=5;
1652: $type='problems';
1653: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1654: $selectionmade=8;
1655: $type='resources';
1656: }
1657: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1658: # The normal sort order is by section then by students within the
1659: # section. If the helper var student_sort is 1, then the user has elected
1660: # to override this and output the students by name.
1661: # Each element of the students array is of the form:
1662: # username:domain:section:last, first:status
1663: #
1664: # Note that student sort is not compatible with printing
1665: # 1 section per pdf...so that setting overrides.
1666: #
1667: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
1668: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1669: @students = sort compare_names @students;
1670: }
1671: &adjust_number_to_print($helper);
1672:
1673: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1674: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1675: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1676: }
1677: # If we are splitting on section boundaries, we need
1678: # to remember that in split_on_sections and
1679: # print all of the students in the list.
1680: #
1681: my $split_on_sections = 0;
1682: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
1683: $split_on_sections = 1;
1684: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
1685: }
1686: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1687:
1688: #loop over students
1689: my $flag_latex_header_remove = 'NO';
1690: my %moreenv;
1691: $moreenv{'instructor_comments'}='hide';
1692: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1693: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1694: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1695: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1696: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1697: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1698: my $student_counter=-1;
1699: my $i = 0;
1700: my $last_section = (split(/:/,$students[0]))[2];
1701: foreach my $person (@students) {
1702:
1703: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1704: if (-e $duefile) {
1705: my $temp_file = Apache::File->new('>>'.$duefile);
1706: print $temp_file "1969\n";
1707: }
1708: $student_counter++;
1709: if ($split_on_sections) {
1710: my $this_section = (split(/:/,$person))[2];
1711: if ($this_section ne $last_section) {
1712: $i++;
1713: $last_section = $this_section;
1714: }
1715: } else {
1716: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1717: }
1718: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1719: $person,$type,
1720: \%moreenv,\@master_seq,
1721: $flag_latex_header_remove,
1722: $LaTeXwidth);
1723: $resources_printed .= ":";
1724: $print_array[$i].=$output;
1725: $student_names[$i].=$person.':'.$fullname.'_END_';
1726: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1727: $flag_latex_header_remove = 'YES';
1728: if (&Apache::loncommon::connection_aborted($r)) { last; }
1729: }
1730: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1731: $result .= $print_array[0].' \end{document}';
1732: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1733: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1734: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1735: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1736: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1737: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1738: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1739: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1740: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1741:
1742: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1743: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1744: my ($code_type,$code_length)=('letter',6);
1745: foreach my $line (<FH>) {
1746: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1747: if ($name eq $code_option) {
1748: $code_length=$length;
1749: if ($type eq 'number') { $code_type = 'number'; }
1750: }
1751: }
1752: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1753: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1754: $moreenv{'instructor_comments'}='hide';
1755: my $seed=time+($$<<16)+($$);
1756: my @allcodes;
1757: if ($old_name) {
1758: my %result=&Apache::lonnet::get('CODEs',
1759: [$old_name,"type\0$old_name"],
1760: $cdom,$cnum);
1761: $code_type=$result{"type\0$old_name"};
1762: @allcodes=split(',',$result{$old_name});
1763: $num_todo=scalar(@allcodes);
1764: } elsif ($selected_code) { # Selection value is always numeric.
1765: $num_todo = 1;
1766: @allcodes = ($selected_code);
1767: } elsif ($single_code) {
1768:
1769: $num_todo = 1; # Unconditionally one code to do.
1770: # If an alpha code have to convert to numbers so it can be
1771: # converted back to letters again :-)
1772: #
1773: if ($code_type ne 'number') {
1774: $single_code = &letters_to_num($single_code);
1775: }
1776: @allcodes = ($single_code);
1777: } else {
1778: my %allcodes;
1779: srand($seed);
1780: for (my $i=0;$i<$num_todo;$i++) {
1781: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1782: $code_type);
1783: }
1784: if ($code_name) {
1785: &Apache::lonnet::put('CODEs',
1786: {
1787: $code_name =>join(',',keys(%allcodes)),
1788: "type\0$code_name" => $code_type
1789: },
1790: $cdom,$cnum);
1791: }
1792: @allcodes=keys(%allcodes);
1793: }
1794: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1795: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1796: &adjust_number_to_print($helper);
1797: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1798: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1799: $number_per_page=$num_todo;
1800: }
1801: my $flag_latex_header_remove = 'NO';
1802: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1803: my $count=0;
1804: foreach my $code (sort(@allcodes)) {
1805: my $file_num=int($count/$number_per_page);
1806: if ($code_type eq 'number') {
1807: $moreenv{'CODE'}=$code;
1808: } else {
1809: $moreenv{'CODE'}=&num_to_letters($code);
1810: }
1811: my ($output,$fullname, $printed)=
1812: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1813: \@master_seq,$flag_latex_header_remove,
1814: $LaTeXwidth);
1815: $resources_printed .= ":";
1816: $print_array[$file_num].=$output;
1817: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1818: &mt('last assignment').' '.$fullname);
1819: $flag_latex_header_remove = 'YES';
1820: $count++;
1821: if (&Apache::loncommon::connection_aborted($r)) { last; }
1822: }
1823: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1824: $result .= $print_array[0].' \end{document}';
1825: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1826: #prints selected problems from the subdirectory
1827: $selectionmade = 6;
1828: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1829: @list_of_files=sort @list_of_files;
1830: my $flag_latex_header_remove = 'NO';
1831: my $rndseed=time;
1832: if ($helper->{'VARS'}->{'curseed'}) {
1833: $rndseed=$helper->{'VARS'}->{'curseed'};
1834: }
1835: for (my $i=0;$i<=$#list_of_files;$i++) {
1836: my $urlp = $list_of_files[$i];
1837: $urlp=~s|//|/|;
1838: if ($urlp=~/\//) {
1839: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1840: $form{'rndseed'}=$rndseed;
1841: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1842: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1843: } else {
1844: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1845: }
1846: $resources_printed .= $urlp.':';
1847: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1848: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1849: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1850: # Don't permanently pervert %form:
1851: my %answerform = %form;
1852: $answerform{'grade_target'}='answer';
1853: $answerform{'answer_output_mode'}='tex';
1854: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1855: $answerform{'rndseed'}=$rndseed;
1856: $resources_printed .= $urlp.':';
1857: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1858: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1859: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1860: } else {
1861: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1862: if ($helper->{'VARS'}->{'construction'} ne '1') {
1863: $texversion.='\vskip 0 mm \noindent ';
1864: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1865: } else {
1866: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1867: my $URLpath=$urlp;
1868: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1869: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1870: }
1871: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1872: }
1873: }
1874: #this chunck is responsible for printing the path to problem
1875: my $newurlp=$urlp;
1876: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1877: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1878: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1879: if ($flag_latex_header_remove ne 'NO') {
1880: $texversion = &latex_header_footer_remove($texversion);
1881: } else {
1882: $texversion =~ s/\\end{document}//;
1883: }
1884: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1885: $texversion=&IndexCreation($texversion,$urlp);
1886: }
1887: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1888: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1889:
1890: }
1891: $result .= $texversion;
1892: }
1893: $flag_latex_header_remove = 'YES';
1894: }
1895: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1896: $result .= '\end{document}';
1897: }
1898: #-------------------------------------------------------- corrections for the different page formats
1899:
1900: # Only post process if that has not been turned off e.g. by a raw latex resource.
1901:
1902: if ($do_postprocessing) {
1903: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1904: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
1905: $helper->{'VARS'}->{'ANSWER_TYPE'});
1906: #if ($numberofcolumns == 1) {
1907: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1908: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1909: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1910: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1911: #}
1912: }
1913:
1914: #-- writing .tex file in prtspool
1915: my $temp_file;
1916: my $identifier = &Apache::loncommon::get_cgi_id();
1917: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1918: if (!($#print_array>0)) {
1919: unless ($temp_file = Apache::File->new('>'.$filename)) {
1920: $r->log_error("Couldn't open $filename for output $!");
1921: return SERVER_ERROR;
1922: }
1923: print $temp_file $result;
1924: my $begin=index($result,'\begin{document}',0);
1925: my $inc=substr($result,0,$begin+16);
1926: } else {
1927: my $begin=index($result,'\begin{document}',0);
1928: my $inc=substr($result,0,$begin+16);
1929: for (my $i=0;$i<=$#print_array;$i++) {
1930: if ($i==0) {
1931: $print_array[$i]=$result;
1932: } else {
1933: $print_array[$i].='\end{document}';
1934: $print_array[$i] =
1935: &latex_corrections($number_of_columns,$print_array[$i],
1936: $selectionmade,
1937: $helper->{'VARS'}->{'ANSWER_TYPE'});
1938:
1939: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1940: substr($print_array[$i],0,$anobegin)='';
1941: $print_array[$i]=$inc.$print_array[$i];
1942: }
1943: my $temp_file;
1944: my $newfilename=$filename;
1945: my $num=$i+1;
1946: $newfilename =~s/\.tex$//;
1947: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1948: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1949: $r->log_error("Couldn't open $newfilename for output $!");
1950: return SERVER_ERROR;
1951: }
1952: print $temp_file $print_array[$i];
1953: }
1954: }
1955: my $student_names='';
1956: if ($#print_array>0) {
1957: for (my $i=0;$i<=$#print_array;$i++) {
1958: $student_names.=$student_names[$i].'_ENDPERSON_';
1959: }
1960: } else {
1961: if ($#student_names>-1) {
1962: $student_names=$student_names[0].'_ENDPERSON_';
1963: } else {
1964: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1965: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1966: $env{'request.course.sec'},$fullname).
1967: '_ENDPERSON_'.'_END_';
1968: }
1969: }
1970:
1971: my $URLback=''; #link to original document
1972: if ($helper->{'VARS'}->{'construction'} eq '1') {
1973: #prints resource from the construction space
1974: $URLback='/'.$helper->{'VARS'}->{'filename'};
1975: if ($URLback=~/([^?]+)/) {
1976: $URLback=$1;
1977: $URLback=~s|^/~|/priv/|;
1978: }
1979: }
1980: # logic for now is too complex to trace if this has been defined
1981: # yet.
1982: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1983: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1984: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1985: 'cgi.'.$identifier.'.layout' => $laystyle,
1986: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1987: 'cgi.'.$identifier.'.paper' => $papersize,
1988: 'cgi.'.$identifier.'.selection' => $selectionmade,
1989: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1990: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1991: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1992: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1993: 'cgi.'.$identifier.'.studentnames' => $student_names,
1994: 'cgi.'.$identifier.'.backref' => $URLback,);
1995: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1996: "cgi.$identifier.domain" => $env{'user.domain'},
1997: "cgi.$identifier.courseid" => $cnum,
1998: "cgi.$identifier.coursedom" => $cdom,
1999: "cgi.$identifier.resources" => $resources_printed);
2000:
2001: my $end_page = &Apache::loncommon::end_page();
2002: $r->print(<<FINALEND);
2003: <br />
2004: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
2005: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
2006: $end_page
2007: FINALEND
2008: }
2009:
2010:
2011: sub get_CODE {
2012: my ($all_codes,$num,$seed,$size,$type)=@_;
2013: my $max='1'.'0'x$size;
2014: my $newcode;
2015: while(1) {
2016: $newcode=sprintf("%0".$size."d",int(rand($max)));
2017: if (!exists($$all_codes{$newcode})) {
2018: $$all_codes{$newcode}=1;
2019: if ($type eq 'number' ) {
2020: return $newcode;
2021: } else {
2022: return &num_to_letters($newcode);
2023: }
2024: }
2025: }
2026: }
2027:
2028: sub print_resources {
2029: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
2030: $LaTeXwidth)=@_;
2031: my $current_output = '';
2032: my $printed = '';
2033: my ($username,$userdomain,$usersection) = split /:/,$person;
2034: my $fullname = &get_name($username,$userdomain);
2035: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
2036: if ($person =~ 'anon') {
2037: $namepostfix .="Name: ";
2038: $fullname = "CODE - ".$moreenv->{'CODE'};
2039: }
2040: # Fullname may have special latex characters that need \ prefixing:
2041: #
2042:
2043: my $i = 0;
2044: #goes through all resources, checks if they are available for
2045: #current student, and produces output
2046:
2047: &Apache::lonxml::clear_problem_counter();
2048: my %page_breaks = &get_page_breaks($helper);
2049: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
2050: #
2051: # end each student with a
2052: # Special that allows the post processor to even out the page
2053: # counts later. Nasty problem this... it would be really
2054: # nice to put the special in as a postscript comment
2055: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
2056: # The special gets passed the \ and dvips puts it in the output file
2057: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
2058: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
2059: #
2060:
2061: foreach my $curresline (@{$master_seq}) {
2062: if (defined $page_breaks{$curresline}) {
2063: if($i != 0) {
2064: $current_output.= "\\newpage\n";
2065: }
2066: }
2067: $i++;
2068: if ( !($type eq 'problems' &&
2069: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
2070: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
2071: if (&Apache::lonnet::allowed('bre',$res_url)) {
2072: if ($res_url!~m|^ext/|
2073: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2074: $printed .= $curresline.':';
2075:
2076: &Apache::lonxml::remember_problem_counter();
2077:
2078: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
2079:
2080: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2081: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2082: # Use a copy of the hash so we don't pervert it on future loop passes.
2083: my %answerenv = %{$moreenv};
2084: $answerenv{'answer_output_mode'}='tex';
2085: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2086:
2087: &Apache::lonxml::restore_problem_counter();
2088:
2089: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
2090:
2091: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2092: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
2093: } else {
2094:
2095:
2096: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2097: my $title = &Apache::lonnet::gettitle($curresline);
2098: $title = &Apache::lonxml::latex_special_symbols($title);
2099: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2100: $body .=&path_to_problem($res_url,$LaTeXwidth);
2101: $body .='\vskip 1 mm '.$ansrendered;
2102: $body = &encapsulate_minipage($body);
2103: $rendered = $header.$body;
2104: }
2105: }
2106: if ($remove_latex_header eq 'YES') {
2107: $rendered = &latex_header_footer_remove($rendered);
2108: } else {
2109: $rendered =~ s/\\end{document}//;
2110: }
2111: $current_output .= $rendered;
2112: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
2113: $printed .= $curresline.':';
2114: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
2115:
2116: if ($remove_latex_header eq 'YES') {
2117: $rendered = &latex_header_footer_remove($rendered);
2118: } else {
2119: $rendered =~ s/\\end{document}//;
2120: }
2121: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
2122:
2123: } else {
2124: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
2125: if ($remove_latex_header ne 'NO') {
2126: $rendered = &latex_header_footer_remove($rendered);
2127: } else {
2128: $rendered =~ s/\\end{document}//;
2129: }
2130: $current_output .= $rendered;
2131: }
2132: }
2133: $remove_latex_header = 'YES';
2134: }
2135: if (&Apache::loncommon::connection_aborted($r)) { last; }
2136: }
2137: my $courseidinfo = &get_course();
2138: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
2139: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
2140: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
2141: my $header_line =
2142: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
2143: $currentassignment, $courseidinfo, $fullname);
2144: my $header_start = ($columns_in_format == 1) ? '\lhead'
2145: : '\fancyhead[LO]';
2146: $header_line = $header_start.'{'.$header_line.'}';
2147:
2148: if ($current_output=~/\\documentclass/) {
2149: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
2150: } else {
2151: my $blankpages =
2152: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
2153:
2154: $current_output = '\strut\vspace*{-6 mm}\\newline'.
2155: ©right_line().' \newpage '.$blankpages.$end_of_student.
2156: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
2157: $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
2158: }
2159: #
2160: # Close the student bracketing.
2161: #
2162: return ($current_output,$fullname, $printed);
2163:
2164: }
2165:
2166: sub handler {
2167:
2168: my $r = shift;
2169:
2170: &init_perm();
2171:
2172:
2173:
2174: my $helper = printHelper($r);
2175: if (!ref($helper)) {
2176: return $helper;
2177: }
2178:
2179:
2180: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2181:
2182:
2183:
2184:
2185: # If a figure conversion queue file exists for this user.domain
2186: # we delete it since it can only be bad (if it were good, printout.pl
2187: # would have deleted it the last time around.
2188:
2189: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
2190: if(-e $conversion_queuefile) {
2191: unlink $conversion_queuefile;
2192: }
2193: &output_data($r,$helper,\%parmhash);
2194: return OK;
2195: }
2196:
2197: use Apache::lonhelper;
2198:
2199: sub addMessage {
2200: my $text = shift;
2201: my $paramHash = Apache::lonhelper::getParamHash();
2202: $paramHash->{MESSAGE_TEXT} = $text;
2203: Apache::lonhelper::message->new();
2204: }
2205:
2206:
2207:
2208: sub init_perm {
2209: undef(%perm);
2210: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
2211: if (!$perm{'pav'}) {
2212: $perm{'pav'}=&Apache::lonnet::allowed('pav',
2213: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2214: }
2215: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
2216: if (!$perm{'pfo'}) {
2217: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
2218: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2219: }
2220: }
2221:
2222: sub get_randomly_ordered_warning {
2223: my ($helper,$map) = @_;
2224:
2225: my $message;
2226:
2227: my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
2228: my $navmap = Apache::lonnavmaps::navmap->new();
2229: my $res = $navmap->getResourceByUrl($map);
2230: if ($res) {
2231: my $func =
2232: sub { return ($_[0]->is_map() && $_[0]->randomorder); };
2233: my @matches = $navmap->retrieveResources($res, $func,1,1,1);
2234: if (@matches) {
2235: $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
2236: }
2237: }
2238: if ($message) {
2239: return '<message type="warning">'.$message.'</message>';
2240: }
2241: return;
2242: }
2243:
2244: sub printHelper {
2245: my $r = shift;
2246:
2247: if ($r->header_only) {
2248: if ($env{'browser.mathml'}) {
2249: &Apache::loncommon::content_type($r,'text/xml');
2250: } else {
2251: &Apache::loncommon::content_type($r,'text/html');
2252: }
2253: $r->send_http_header;
2254: return OK;
2255: }
2256:
2257: # Send header, nocache
2258: if ($env{'browser.mathml'}) {
2259: &Apache::loncommon::content_type($r,'text/xml');
2260: } else {
2261: &Apache::loncommon::content_type($r,'text/html');
2262: }
2263: &Apache::loncommon::no_cache($r);
2264: $r->send_http_header;
2265: $r->rflush();
2266:
2267: # Unfortunately, this helper is so complicated we have to
2268: # write it by hand
2269:
2270: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
2271:
2272: my $helper = Apache::lonhelper::helper->new("Printing Helper");
2273: $helper->declareVar('symb');
2274: $helper->declareVar('postdata');
2275: $helper->declareVar('curseed');
2276: $helper->declareVar('probstatus');
2277: $helper->declareVar('filename');
2278: $helper->declareVar('construction');
2279: $helper->declareVar('assignment');
2280: $helper->declareVar('style_file');
2281: $helper->declareVar('student_sort');
2282: $helper->declareVar('FINISHPAGE');
2283: $helper->declareVar('PRINT_TYPE');
2284: $helper->declareVar("showallfoils");
2285: $helper->declareVar("STUDENTS");
2286:
2287: # The page breaks can get loaded initially from the course environment:
2288: # But we only do this in the initial state so that they are allowed to change.
2289: #
2290:
2291: # $helper->{VARS}->{FINISHPAGE} = '';
2292:
2293: &Apache::loncommon::restore_course_settings('print',
2294: {'pagebreaks' => 'scalar',
2295: 'lastprinttype' => 'scalar'});
2296:
2297: # This will persistently load in the data we want from the
2298: # very first screen.
2299:
2300: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
2301: if (!defined ($env{"form.CURRENT_STATE"})) {
2302:
2303: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2304: } else {
2305: my $state = $env{"form.CURRENT_STATE"};
2306: if ($state eq "START") {
2307: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2308: }
2309: }
2310:
2311: }
2312:
2313:
2314: # Detect whether we're coming from construction space
2315: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
2316: $helper->{VARS}->{'filename'} = "~$1/$2";
2317: $helper->{VARS}->{'construction'} = 1;
2318: } else {
2319: if ($env{'form.postdata'}) {
2320: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
2321: if ( $helper->{VARS}->{'symb'} eq '') {
2322: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
2323: }
2324: }
2325: if ($env{'form.symb'}) {
2326: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2327: }
2328: if ($env{'form.url'}) {
2329: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2330: }
2331:
2332: }
2333:
2334: if ($env{'form.symb'}) {
2335: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2336: }
2337: if ($env{'form.url'}) {
2338: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2339:
2340: }
2341: $helper->{VARS}->{'symb'}=
2342: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
2343: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
2344: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
2345:
2346:
2347: # Extract map
2348: my $symb = $helper->{VARS}->{'symb'};
2349: my ($map, $id, $url);
2350: my $subdir;
2351: my $is_published=0; # True when printing from resource space.
2352:
2353: # Get the resource name from construction space
2354: if ($helper->{VARS}->{'construction'}) {
2355: $resourceTitle = substr($helper->{VARS}->{'filename'},
2356: rindex($helper->{VARS}->{'filename'}, '/')+1);
2357: $subdir = substr($helper->{VARS}->{'filename'},
2358: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
2359: } else {
2360: if ($symb ne '') {
2361: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
2362: $helper->{VARS}->{'postdata'} =
2363: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
2364: } else {
2365: $url = $helper->{VARS}->{'postdata'};
2366: $is_published=1; # From resource space.
2367: }
2368: $url = &Apache::lonnet::clutter($url);
2369:
2370: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
2371: my $postdata = $helper->{VARS}->{'postdata'};
2372: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
2373: }
2374: $subdir = &Apache::lonnet::filelocation("", $url);
2375: }
2376: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2377: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2378: }
2379: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2380: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2381: }
2382:
2383: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2384:
2385: Apache::lonhelper::registerHelperTags();
2386:
2387: # "Delete everything after the last slash."
2388: $subdir =~ s|/[^/]+$||;
2389:
2390: # What can be printed is a very dynamic decision based on
2391: # lots of factors. So we need to dynamically build this list.
2392: # To prevent security leaks, states are only added to the wizard
2393: # if they can be reached, which ensures manipulating the form input
2394: # won't allow anyone to reach states they shouldn't have permission
2395: # to reach.
2396:
2397: # printChoices is tracking the kind of printing the user can
2398: # do, and will be used in a choices construction later.
2399: # In the meantime we will be adding states and elements to
2400: # the helper by hand.
2401: my $printChoices = [];
2402: my $paramHash;
2403:
2404: if ($resourceTitle) {
2405: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2406: }
2407:
2408: # Useful filter strings
2409: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2410: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2411: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2412: my $isNotMap = '!$res->is_sequence()';
2413: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2414: my $isMap = '$res->is_map()';
2415: my $symbFilter = '$res->shown_symb()';
2416: my $urlValue = '$res->link()';
2417:
2418: $helper->declareVar('SEQUENCE');
2419:
2420: # If we're in a sequence...
2421:
2422: my $start_new_option;
2423: if ($perm{'pav'}) {
2424: $start_new_option =
2425: "<option text='".&mt('Start new page<br />before selected').
2426: "' variable='FINISHPAGE' />";
2427: }
2428:
2429: if (($helper->{'VARS'}->{'construction'} ne '1' ) &&
2430:
2431: $helper->{VARS}->{'postdata'} &&
2432: $helper->{VARS}->{'assignment'}) {
2433: # Allow problems from sequence
2434: push @{$printChoices}, [&mt('Selected <b>Problems</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems', 'CHOOSE_PROBLEMS'];
2435: # Allow all resources from sequence
2436: push @{$printChoices}, [&mt('Selected <b>Resources</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2437:
2438: my $helperFragment = <<HELPERFRAGMENT;
2439: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2440: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2441: closeallpages="1">
2442: <nextstate>PAGESIZE</nextstate>
2443: <filterfunc>return $isProblem;</filterfunc>
2444: <mapurl>$map</mapurl>
2445: <valuefunc>return $symbFilter;</valuefunc>
2446: $start_new_option
2447: </resource>
2448: </state>
2449:
2450: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2451: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2452: closeallpages="1">
2453: <nextstate>PAGESIZE</nextstate>
2454: <filterfunc>return $isNotMap;</filterfunc>
2455: <mapurl>$map</mapurl>
2456: <valuefunc>return $symbFilter;</valuefunc>
2457: $start_new_option
2458: </resource>
2459: </state>
2460: HELPERFRAGMENT
2461:
2462: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2463: }
2464:
2465: # If the user has pfo (print for otheres) allow them to print all
2466: # problems and resources in the entier course, optionally for selected students
2467: if ($perm{'pfo'} && !$is_published &&
2468: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2469:
2470: push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
2471: push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
2472: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2473: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2474: <resource variable="RESOURCES" toponly='0' multichoice="1"
2475: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2476: <nextstate>PAGESIZE</nextstate>
2477: <filterfunc>return $isProblemOrMap;</filterfunc>
2478: <choicefunc>return $isNotMap;</choicefunc>
2479: <valuefunc>return $symbFilter;</valuefunc>
2480: $start_new_option
2481: </resource>
2482: </state>
2483: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2484: <resource variable="RESOURCES" toponly='0' multichoice='1'
2485: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2486: <nextstate>PAGESIZE</nextstate>
2487: <filterfunc>return $isNotMap; </filterfunc>
2488: <valuefunc>return $symbFilter;</valuefunc>
2489: $start_new_option
2490: </resource>
2491: </state>
2492: ALL_PROBLEMS
2493:
2494: if ($helper->{VARS}->{'assignment'}) {
2495: 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'];
2496: 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'];
2497: }
2498:
2499: my $randomly_ordered_warning =
2500: &get_randomly_ordered_warning($helper,$map);
2501:
2502: # resource_selector will hold a few states that:
2503: # - Allow resources to be selected for printing.
2504: # - Determine pagination between assignments.
2505: # - Determine how many assignments should be bundled into a single PDF.
2506: # TODO:
2507: # Probably good to do things like separate this up into several vars, each
2508: # with one state, and use REGEXPs at inclusion time to set state names
2509: # and next states for better mix and match capability
2510: #
2511: my $resource_selector=<<RESOURCE_SELECTOR;
2512: <state name="SELECT_PROBLEMS" title="Select resources to print">
2513: $randomly_ordered_warning
2514:
2515: <nextstate>PRINT_FORMATTING</nextstate>
2516: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2517: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2518: closeallpages="1">
2519: <filterfunc>return $isProblem;</filterfunc>
2520: <mapurl>$map</mapurl>
2521: <valuefunc>return $symbFilter;</valuefunc>
2522: $start_new_option
2523: </resource>
2524: </state>
2525: <state name="PRINT_FORMATTING" title="How should results be printed?">
2526: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2527: <choices variable="EMPTY_PAGES">
2528: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2529: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2530: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2531: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2532: </choices>
2533: <nextstate>PAGESIZE</nextstate>
2534: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2535: <choices variable="SPLIT_PDFS">
2536: <choice computer="all">All assignments in a single PDF file</choice>
2537: <choice computer="sections">Each PDF contains exactly one section</choice>
2538: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2539: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2540: Specify the number of assignments per PDF:</choice>
2541: </choices>
2542: </state>
2543: RESOURCE_SELECTOR
2544:
2545: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2546: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2547: <message><b>Select sorting order of printout</b> </message>
2548: <choices variable='student_sort'>
2549: <choice computer='0'>Sort by section then student</choice>
2550: <choice computer='1'>Sort by students across sections.</choice>
2551: </choices>
2552: <message><br /><hr /><br /> </message>
2553: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
2554: </state>
2555: $resource_selector
2556: CHOOSE_STUDENTS
2557:
2558: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2559: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2560: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2561: my $namechoice='<choice></choice>';
2562: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2563: if ($name =~ /^error: 2 /) { next; }
2564: if ($name =~ /^type\0/) { next; }
2565: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2566: }
2567:
2568:
2569: my %code_values;
2570: my %codes_to_print;
2571: foreach my $key (@names) {
2572: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2573: foreach my $key (keys(%code_values)) {
2574: $codes_to_print{$key} = 1;
2575: }
2576: }
2577:
2578: my $code_selection;
2579: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
2580: my $choice = $code;
2581: if ($code =~ /^[A-Z]+$/) { # Alpha code
2582: $choice = &letters_to_num($code);
2583: }
2584: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
2585: }
2586: if (%codes_to_print) {
2587: $code_selection .='
2588: <message><b>Choose single CODE from list:</b></message>
2589: <message></td><td></message>
2590: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2591: <choice></choice>
2592: <exec>
2593: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
2594: </exec>
2595: </dropdown>
2596: <message></td></tr><tr><td></message>
2597: '.$/;
2598:
2599: }
2600:
2601:
2602: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2603: my $codechoice='';
2604: foreach my $line (<FH>) {
2605: my ($name,$description,$code_type,$code_length)=
2606: (split(/:/,$line))[0,1,2,4];
2607: if ($code_length > 0 &&
2608: $code_type =~/^(letter|number|-1)/) {
2609: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2610: }
2611: }
2612: if ($codechoice eq '') {
2613: $codechoice='<choice computer="default">Default</choice>';
2614: }
2615: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2616: <state name="CHOOSE_ANON1" title="Specify CODEd Assignments">
2617: <nextstate>SELECT_PROBLEMS</nextstate>
2618: <message><h4>Fill out one of the forms below</h4></message>
2619: <message><br /><hr /> <br /></message>
2620: <message><h3>Generate new CODEd Assignments</h3></message>
2621: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2622: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2623: <validator>
2624: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2625: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2626: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2627: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2628: return "You need to specify the number of assignments to print";
2629: }
2630: return undef;
2631: </validator>
2632: </string>
2633: <message></td></tr><tr><td></message>
2634: <message><b>Names to save the CODEs under for later:</b></message>
2635: <message></td><td></message>
2636: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2637: <message></td></tr><tr><td></message>
2638: <message><b>Bubble sheet type:</b></message>
2639: <message></td><td></message>
2640: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2641: $codechoice
2642: </dropdown>
2643: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
2644: <message></td></tr><tr><td></table></message>
2645: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2646: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2647: <string variable="SINGLE_CODE" size="10">
2648: <validator>
2649: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2650: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2651: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2652: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2653: \$helper->{'VARS'}{'CODE_OPTION'});
2654: } else {
2655: return undef; # Other forces control us.
2656: }
2657: </validator>
2658: </string>
2659: <message></td></tr><tr><td></message>
2660: $code_selection
2661: <message></td></tr></table></message>
2662: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2663: <message><b>Select saved CODEs:</b></message>
2664: <message></td><td></message>
2665: <dropdown variable="REUSE_OLD_CODES">
2666: $namechoice
2667: </dropdown>
2668: <message></td></tr></table></message>
2669: </state>
2670: $resource_selector
2671: CHOOSE_ANON1
2672:
2673:
2674: if ($helper->{VARS}->{'assignment'}) {
2675: 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'];
2676: 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'];
2677: }
2678:
2679:
2680: $resource_selector=<<RESOURCE_SELECTOR;
2681: <state name="SELECT_RESOURCES" title="Select Resources">
2682: $randomly_ordered_warning
2683:
2684: <nextstate>PRINT_FORMATTING</nextstate>
2685: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2686: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2687: closeallpages="1">
2688: <filterfunc>return $isNotMap;</filterfunc>
2689: <mapurl>$map</mapurl>
2690: <valuefunc>return $symbFilter;</valuefunc>
2691: $start_new_option
2692: </resource>
2693: </state>
2694: <state name="PRINT_FORMATTING" title="Format of the print job">
2695: <nextstate>NUMBER_PER_PDF</nextstate>
2696: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2697: <choices variable="EMPTY_PAGES">
2698: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2699: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2700: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2701: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2702: </choices>
2703: <nextstate>PAGESIZE</nextstate>
2704: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2705: <choices variable="SPLIT_PDFS">
2706: <choice computer="all">All assignments in a single PDF file</choice>
2707: <choice computer="sections">Each PDF contains exactly one section</choice>
2708: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2709: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2710: Specify the number of assignments per PDF:</choice>
2711: </choices>
2712: </state>
2713: RESOURCE_SELECTOR
2714:
2715: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2716: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2717: <choices variable='student_sort'>
2718: <choice computer='0'>Sort by section then student</choice>
2719: <choice computer='1'>Sort by students across sections.</choice>
2720: </choices>
2721: <message><br /><hr /><br /></message>
2722: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
2723:
2724: </state>
2725: $resource_selector
2726: CHOOSE_STUDENTS1
2727:
2728: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2729: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
2730: <nextstate>SELECT_RESOURCES</nextstate>
2731: <message><h4>Fill out one of the forms below</h4></message>
2732: <message><br /><hr /> <br /></message>
2733: <message><h3>Generate new CODEd Assignments</h3></message>
2734: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2735: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2736: <validator>
2737: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2738: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2739: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2740: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2741: return "You need to specify the number of assignments to print";
2742: }
2743: return undef;
2744: </validator>
2745: </string>
2746: <message></td></tr><tr><td></message>
2747: <message><b>Names to save the CODEs under for later:</b></message>
2748: <message></td><td></message>
2749: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2750: <message></td></tr><tr><td></message>
2751: <message><b>Bubble sheet type:</b></message>
2752: <message></td><td></message>
2753: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2754: $codechoice
2755: </dropdown>
2756: <message></td></tr><tr><td></table></message>
2757: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2758: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2759: <string variable="SINGLE_CODE" size="10">
2760: <validator>
2761: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2762: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2763: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2764: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2765: \$helper->{'VARS'}{'CODE_OPTION'});
2766: } else {
2767: return undef; # Other forces control us.
2768: }
2769: </validator>
2770: </string>
2771: <message></td></tr><tr><td></message>
2772: $code_selection
2773: <message></td></tr></table></message>
2774: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2775: <message><b>Select saved CODEs:</b></message>
2776: <message></td><td></message>
2777: <dropdown variable="REUSE_OLD_CODES">
2778: $namechoice
2779: </dropdown>
2780: <message></td></tr></table></message>
2781: </state>
2782: $resource_selector
2783: CHOOSE_ANON2
2784: }
2785:
2786: # FIXME: That RE should come from a library somewhere.
2787: if (($perm{'pav'}
2788: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
2789: && (defined($helper->{'VARS'}->{'construction'})
2790: ||
2791: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
2792: &&
2793: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
2794: ))
2795: && $helper->{VARS}->{'assignment'} eq ""
2796: ) {
2797:
2798: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
2799: push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$pretty_dir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2800: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2801: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
2802:
2803: <files variable="FILES" multichoice='1'>
2804: <nextstate>PAGESIZE</nextstate>
2805: <filechoice>return '$subdir';</filechoice>
2806: CHOOSE_FROM_SUBDIR
2807:
2808: # this is broken up because I really want interpolation above,
2809: # and I really DON'T want it below
2810: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2811: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2812: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2813: </filefilter>
2814: </files>
2815: </state>
2816: CHOOSE_FROM_SUBDIR
2817: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2818: }
2819:
2820: # Allow the user to select any sequence in the course, feed it to
2821: # another resource selector for that sequence
2822: if (!$helper->{VARS}->{'construction'} && !$is_published) {
2823: push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
2824: 'select_sequences', 'CHOOSE_SEQUENCE'];
2825: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2826: #Escape apostrophes and backslashes for Perl
2827: $escapedSequenceName =~ s/\\/\\\\/g;
2828: $escapedSequenceName =~ s/'/\\'/g;
2829: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2830: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2831: <message>Select the sequence to print resources from:</message>
2832: <resource variable="SEQUENCE">
2833: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2834: <filterfunc>return \$res->is_sequence;</filterfunc>
2835: <valuefunc>return $urlValue;</valuefunc>
2836: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2837: </choicefunc>
2838: </resource>
2839: </state>
2840: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2841: <message>(mark desired resources then click "next" button) <br /></message>
2842: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2843: closeallpages="1">
2844: <nextstate>PAGESIZE</nextstate>
2845: <filterfunc>return $isNotMap</filterfunc>
2846: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2847: <valuefunc>return $symbFilter;</valuefunc>
2848: $start_new_option
2849: </resource>
2850: </state>
2851: CHOOSE_FROM_ANY_SEQUENCE
2852: }
2853:
2854: # Generate the first state, to select which resources get printed.
2855: Apache::lonhelper::state->new("START", "Select Printing Options:");
2856: $paramHash = Apache::lonhelper::getParamHash();
2857: $paramHash->{MESSAGE_TEXT} = "";
2858: Apache::lonhelper::message->new();
2859: $paramHash = Apache::lonhelper::getParamHash();
2860: $paramHash->{'variable'} = 'PRINT_TYPE';
2861: $paramHash->{CHOICES} = $printChoices;
2862: Apache::lonhelper::choices->new();
2863:
2864: my $startedTable = 0; # have we started an HTML table yet? (need
2865: # to close it later)
2866:
2867: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2868: ($helper->{VARS}->{'construction'} eq '1')) {
2869: addMessage("<hr width='33%' /><table><tr><td align='right'>".
2870: '<label for="ANSWER_TYPE_forminput">'.
2871: &mt('Print').
2872: "</label>: </td><td>");
2873: $paramHash = Apache::lonhelper::getParamHash();
2874: $paramHash->{'variable'} = 'ANSWER_TYPE';
2875: $helper->declareVar('ANSWER_TYPE');
2876: $paramHash->{CHOICES} = [
2877: ['Without Answers', 'yes'],
2878: ['With Answers', 'no'],
2879: ['Only Answers', 'only']
2880: ];
2881: Apache::lonhelper::dropdown->new();
2882: addMessage("</td></tr>");
2883: $startedTable = 1;
2884: }
2885:
2886: if ($perm{'pav'}) {
2887: if (!$startedTable) {
2888: addMessage("<hr width='33%' /><table><tr><td align='right'>".
2889: '<label for="LATEX_TYPE_forminput">'.
2890: &mt('LaTeX mode').
2891: "</label>: </td><td>");
2892: $startedTable = 1;
2893: } else {
2894: addMessage("<tr><td align='right'>".
2895: '<label for="LATEX_TYPE_forminput">'.
2896: &mt('LaTeX mode').
2897: "</label>: </td><td>");
2898: }
2899: $paramHash = Apache::lonhelper::getParamHash();
2900: $paramHash->{'variable'} = 'LATEX_TYPE';
2901: $helper->declareVar('LATEX_TYPE');
2902: if ($helper->{VARS}->{'construction'} eq '1') {
2903: $paramHash->{CHOICES} = [
2904: ['standard LaTeX mode', 'standard'],
2905: ['LaTeX batchmode', 'batchmode'], ];
2906: } else {
2907: $paramHash->{CHOICES} = [
2908: ['LaTeX batchmode', 'batchmode'],
2909: ['standard LaTeX mode', 'standard'] ];
2910: }
2911: Apache::lonhelper::dropdown->new();
2912:
2913: addMessage("</td></tr><tr><td align='right'>".
2914: '<label for="TABLE_CONTENTS_forminput">'.
2915: &mt('Print Table of Contents').
2916: "</label>: </td><td>");
2917: $paramHash = Apache::lonhelper::getParamHash();
2918: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2919: $helper->declareVar('TABLE_CONTENTS');
2920: $paramHash->{CHOICES} = [
2921: ['No', 'no'],
2922: ['Yes', 'yes'] ];
2923: Apache::lonhelper::dropdown->new();
2924: addMessage("</td></tr>");
2925:
2926: if (not $helper->{VARS}->{'construction'}) {
2927: addMessage("<tr><td align='right'>".
2928: '<label for="TABLE_INDEX_forminput">'.
2929: &mt('Print Index').
2930: "</label>: </td><td>");
2931: $paramHash = Apache::lonhelper::getParamHash();
2932: $paramHash->{'variable'} = 'TABLE_INDEX';
2933: $helper->declareVar('TABLE_INDEX');
2934: $paramHash->{CHOICES} = [
2935: ['No', 'no'],
2936: ['Yes', 'yes'] ];
2937: Apache::lonhelper::dropdown->new();
2938: addMessage("</td></tr>");
2939: addMessage("<tr><td align='right'>".
2940: '<label for="PRINT_DISCUSSIONS_forminput">'.
2941: &mt('Print Discussions').
2942: "</label>: </td><td>");
2943: $paramHash = Apache::lonhelper::getParamHash();
2944: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2945: $helper->declareVar('PRINT_DISCUSSIONS');
2946: $paramHash->{CHOICES} = [
2947: ['No', 'no'],
2948: ['Yes', 'yes'] ];
2949: Apache::lonhelper::dropdown->new();
2950: addMessage("</td></tr>");
2951:
2952: addMessage("<tr><td align = 'right'> </td><td>");
2953: $paramHash = Apache::lonhelper::getParamHash();
2954: $paramHash->{'multichoice'} = "true";
2955: $paramHash->{'allowempty'} = "true";
2956: $paramHash->{'variable'} = "showallfoils";
2957: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2958: Apache::lonhelper::choices->new();
2959: addMessage("</td></tr>");
2960: }
2961:
2962: if ($helper->{'VARS'}->{'construction'}) {
2963: my $stylevalue='$Apache::lonnet::env{"construct.style"}';
2964: my $randseedtext=&mt("Use random seed");
2965: my $stylefiletext=&mt("Use style file");
2966: my $selectfiletext=&mt("Select style file");
2967:
2968: my $xmlfrag .= <<"RNDSEED";
2969: <message><tr><td align='right'>
2970: <label for="curseed_forminput">$randseedtext</label>:
2971: </td><td></message>
2972: <string variable="curseed" size="15" maxlength="15">
2973: <defaultvalue>
2974: return $helper->{VARS}->{'curseed'};
2975: </defaultvalue>
2976: </string>
2977: <message></td></tr><tr><td align="right">
2978: <label for="style_file">$stylefiletext</label>:
2979: </td><td></message>
2980: <string variable="style_file" size="40">
2981: <defaultvalue>
2982: return $stylevalue;
2983: </defaultvalue>
2984: </string><message> <a href="javascript:openbrowser('helpform','style_file_forminput','sty')">$selectfiletext</a> </td></tr><tr><td></td><td align="left"></message>
2985: <choices allowempty="1" multichoice="true" variable="showallfoils">
2986: <choice computer="1">Show all foils</choice>
2987: </choices>
2988: <message></td></tr></message>
2989: RNDSEED
2990: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2991: }
2992: }
2993:
2994:
2995:
2996:
2997: if ($startedTable) {
2998: addMessage("</table>");
2999: }
3000:
3001: Apache::lonprintout::page_format_state->new("FORMAT");
3002:
3003: # Generate the PAGESIZE state which will offer the user the margin
3004: # choices if they select one column
3005: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
3006: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
3007:
3008:
3009: $helper->process();
3010:
3011:
3012: # MANUAL BAILOUT CONDITION:
3013: # If we're in the "final" state, bailout and return to handler
3014: if ($helper->{STATE} eq 'FINAL') {
3015: return $helper;
3016: }
3017:
3018: $r->print($helper->display());
3019: if ($helper->{STATE} eq 'START') {
3020: &recently_generated($r);
3021: }
3022: &Apache::lonhelper::unregisterHelperTags();
3023:
3024: return OK;
3025: }
3026:
3027:
3028: 1;
3029:
3030: package Apache::lonprintout::page_format_state;
3031:
3032: =pod
3033:
3034: =head1 Helper element: page_format_state
3035:
3036: See lonhelper.pm documentation for discussion of the helper framework.
3037:
3038: Apache::lonprintout::page_format_state is an element that gives the
3039: user an opportunity to select the page layout they wish to print
3040: with: Number of columns, portrait/landscape, and paper size. If you
3041: want to change the paper size choices, change the @paperSize array
3042: contents in this package.
3043:
3044: page_format_state is always directly invoked in lonprintout.pm, so there
3045: is no tag interface. You actually pass parameters to the constructor.
3046:
3047: =over 4
3048:
3049: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
3050:
3051: =back
3052:
3053: =cut
3054:
3055: use Apache::lonhelper;
3056:
3057: no strict;
3058: @ISA = ("Apache::lonhelper::element");
3059: use strict;
3060: use Apache::lonlocal;
3061: use Apache::lonnet;
3062:
3063: my $maxColumns = 2;
3064: # it'd be nice if these all worked
3065: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
3066: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
3067: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
3068: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
3069: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
3070: "a4 [210x297 mm]");
3071:
3072: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
3073: # Paper type
3074:
3075: sub new {
3076: my $self = Apache::lonhelper::element->new();
3077:
3078: shift;
3079:
3080: $self->{'variable'} = shift;
3081: my $helper = Apache::lonhelper::getHelper();
3082: $helper->declareVar($self->{'variable'});
3083: bless($self);
3084: return $self;
3085: }
3086:
3087: sub render {
3088: my $self = shift;
3089: my $helper = Apache::lonhelper::getHelper();
3090: my $result = '';
3091: my $var = $self->{'variable'};
3092: my $PageLayout=&mt('Page layout');
3093: my $NumberOfColumns=&mt('Number of columns');
3094: my $PaperType=&mt('Paper type');
3095: my $landscape=&mt('Landscape');
3096: my $portrait=&mt('Portrait');
3097: $result .= <<STATEHTML;
3098:
3099: <hr width="33%" />
3100: <table cellpadding="3">
3101: <tr>
3102: <td align="center"><b>$PageLayout</b></td>
3103: <td align="center"><b>$NumberOfColumns</b></td>
3104: <td align="center"><b>$PaperType</b></td>
3105: </tr>
3106: <tr>
3107: <td>
3108: <label><input type="radio" name="${var}.layout" value="L" /> $landscape </label><br />
3109: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> $portrait </label>
3110: </td>
3111: <td align="center">
3112: <select name="${var}.cols">
3113: STATEHTML
3114:
3115: my $i;
3116: for ($i = 1; $i <= $maxColumns; $i++) {
3117: if ($i == 2) {
3118: $result .= "<option value='$i' selected>$i</option>\n";
3119: } else {
3120: $result .= "<option value='$i'>$i</option>\n";
3121: }
3122: }
3123:
3124: $result .= "</select></td><td>\n";
3125: $result .= "<select name='${var}.paper'>\n";
3126:
3127: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3128: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
3129: $DefaultPaperSize=~s/\s//g;
3130: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
3131: $i = 0;
3132: foreach (@paperSize) {
3133: $_=~/(\w+)/;
3134: my $papersize=$1;
3135: if ($paperSize[$i]=~/$DefaultPaperSize/) {
3136: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
3137: } else {
3138: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
3139: }
3140: $i++;
3141: }
3142: $result .= "</select></td></tr></table>";
3143: return $result;
3144: }
3145:
3146: sub postprocess {
3147: my $self = shift;
3148:
3149: my $var = $self->{'variable'};
3150: my $helper = Apache::lonhelper->getHelper();
3151: $helper->{VARS}->{$var} =
3152: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
3153: $env{"form.$var.paper"};
3154: return 1;
3155: }
3156:
3157: 1;
3158:
3159: package Apache::lonprintout::page_size_state;
3160:
3161: =pod
3162:
3163: =head1 Helper element: page_size_state
3164:
3165: See lonhelper.pm documentation for discussion of the helper framework.
3166:
3167: Apache::lonprintout::page_size_state is an element that gives the
3168: user the opportunity to further refine the page settings if they
3169: select a single-column page.
3170:
3171: page_size_state is always directly invoked in lonprintout.pm, so there
3172: is no tag interface. You actually pass parameters to the constructor.
3173:
3174: =over 4
3175:
3176: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
3177:
3178: =back
3179:
3180: =cut
3181:
3182: use Apache::lonhelper;
3183: use Apache::lonnet;
3184: no strict;
3185: @ISA = ("Apache::lonhelper::element");
3186: use strict;
3187:
3188:
3189:
3190: sub new {
3191: my $self = Apache::lonhelper::element->new();
3192:
3193: shift; # disturbs me (probably prevents subclassing) but works (drops
3194: # package descriptor)... - Jeremy
3195:
3196: $self->{'variable'} = shift;
3197: my $helper = Apache::lonhelper::getHelper();
3198: $helper->declareVar($self->{'variable'});
3199:
3200: # The variable name of the format element, so we can look into
3201: # $helper->{VARS} to figure out whether the columns are one or two
3202: $self->{'formatvar'} = shift;
3203:
3204:
3205: $self->{NEXTSTATE} = shift;
3206: bless($self);
3207:
3208: return $self;
3209: }
3210:
3211: sub render {
3212: my $self = shift;
3213: my $helper = Apache::lonhelper::getHelper();
3214: my $result = '';
3215: my $var = $self->{'variable'};
3216:
3217:
3218:
3219: if (defined $self->{ERROR_MSG}) {
3220: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
3221: }
3222:
3223: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3224:
3225: # Use format to get sensible defaults for the margins:
3226:
3227:
3228: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3229: ($papersize) = split(/ /, $papersize);
3230:
3231:
3232: if ($laystyle eq 'L') {
3233: $laystyle = 'album';
3234: } else {
3235: $laystyle = 'book';
3236: }
3237:
3238:
3239: my %size;
3240: ($size{'width_and_units'},
3241: $size{'height_and_units'},
3242: $size{'margin_and_units'})=
3243: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3244:
3245: foreach my $dimension ('width','height','margin') {
3246: ($size{$dimension},$size{$dimension.'_unit'}) =
3247: split(/ +/, $size{$dimension.'_and_units'},2);
3248:
3249: foreach my $unit ('cm','in') {
3250: $size{$dimension.'_options'} .= '<option ';
3251: if ($size{$dimension.'_unit'} eq $unit) {
3252: $size{$dimension.'_options'} .= 'selected="selected" ';
3253: }
3254: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
3255: }
3256: }
3257:
3258: # Adjust margin for LaTeX margin: .. requires units == cm or in.
3259:
3260: if ($size{'margin_unit'} eq 'in') {
3261: $size{'margin'} += 1;
3262: } else {
3263: $size{'margin'} += 2.54;
3264: }
3265: my %text = ('format' => 'How should each column be formatted?',
3266: 'width' => 'Width:',
3267: 'height' => 'Height:',
3268: 'margin' => 'Left Margin:',);
3269: %text = &Apache::lonlocal::texthash(%text);
3270:
3271: $result .= <<ELEMENTHTML;
3272:
3273: <p>$text{'format'}</p>
3274:
3275: <table cellpadding='3'>
3276: <tr>
3277: <td align='right'><b>$text{'width'}</b></td>
3278: <td align='left'><input type='text' name='$var.width' value="$size{'width'}" size='4' /></td>
3279: <td align='left'>
3280: <select name='$var.widthunit'>
3281: $size{'width_options'}
3282: </select>
3283: </td>
3284: </tr>
3285: <tr>
3286: <td align='right'><b>$text{'height'}</b></td>
3287: <td align='left'><input type='text' name="$var.height" value="$size{'height'}" size='4' /></td>
3288: <td align='left'>
3289: <select name='$var.heightunit'>
3290: $size{'height_options'}
3291: </select>
3292: </td>
3293: </tr>
3294: <tr>
3295: <td align='right'><b>$text{'margin'}</b></td>
3296: <td align='left'><input type='text' name='$var.lmargin' value="$size{'margin'}" size='4' /></td>
3297: <td align='left'>
3298: <select name='$var.lmarginunit'>
3299: $size{'margin_options'}
3300: </select>
3301: </td>
3302: </tr>
3303: </table>
3304:
3305: <!--<p>Hint: Some instructors like to leave scratch space for the student by
3306: making the width much smaller than the width of the page.</p>-->
3307:
3308: ELEMENTHTML
3309:
3310: return $result;
3311: }
3312:
3313:
3314: sub preprocess {
3315: my $self = shift;
3316: my $helper = Apache::lonhelper::getHelper();
3317:
3318: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3319:
3320: # If the user does not have 'pav' privilege, set default widths and
3321: # on to the next state right away.
3322: #
3323: if (!$perm{'pav'}) {
3324: my $var = $self->{'variable'};
3325: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3326:
3327: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3328: ($papersize) = split(/ /, $papersize);
3329:
3330:
3331: if ($laystyle eq 'L') {
3332: $laystyle = 'album';
3333: } else {
3334: $laystyle = 'book';
3335: }
3336: # Figure out some good defaults for the print out and set them:
3337:
3338: my %size;
3339: ($size{'width'},
3340: $size{'height'},
3341: $size{'lmargin'})=
3342: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3343:
3344: foreach my $dim ('width', 'height', 'lmargin') {
3345: my ($value, $units) = split(/ /, $size{$dim});
3346:
3347: $helper->{VARS}->{"$var.".$dim} = $value;
3348: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
3349:
3350: }
3351:
3352:
3353: # Transition to the next state
3354:
3355: $helper->changeState($self->{NEXTSTATE});
3356: }
3357:
3358: return 1;
3359: }
3360:
3361: sub postprocess {
3362: my $self = shift;
3363:
3364: my $var = $self->{'variable'};
3365: my $helper = Apache::lonhelper->getHelper();
3366: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
3367: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
3368: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
3369: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
3370: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
3371: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
3372:
3373: my $error = '';
3374:
3375: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
3376: # by an optional period, followed by digits, ending the string
3377:
3378: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3379: $error .= "Invalid width; please type only a number.<br />\n";
3380: }
3381: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3382: $error .= "Invalid height; please type only a number.<br />\n";
3383: }
3384: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3385: $error .= "Invalid left margin; please type only a number.<br />\n";
3386: } else {
3387: # Adjust for LaTeX 1.0 inch margin:
3388:
3389: if ($env{"form.${var}.lmarginunit"} eq "in") {
3390: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
3391: } else {
3392: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
3393: }
3394: }
3395:
3396: if (!$error) {
3397: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
3398: return 1;
3399: } else {
3400: $self->{ERROR_MSG} = $error;
3401: return 0;
3402: }
3403: }
3404:
3405:
3406:
3407: __END__
3408:
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