1: #
2: # The LearningOnline Network
3: # Printout
4: #
5: # $Id: lonprintout.pm,v 1.501 2007/05/02 01:33:49 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: $assignment='Problems from the Whole Course';
871: } else {
872: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
873: }
874: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
875:
876:
877: my $name = &get_name();
878: my $courseidinfo = &get_course();
879: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
880: my $header_text = $parmhash{'print_header_format'};
881: $header_text = &format_page_header($textwidth, $header_text, $assignment,
882: $courseidinfo, $name);
883: my $topmargintoinsert = '';
884: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
885: my $fancypagestatement='';
886: if ($numberofcolumns eq '2') {
887: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
888: } else {
889: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
890: }
891: if ($layout eq 'album') {
892: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
893: } elsif ($layout eq 'book') {
894: if ($choice ne 'All class print') {
895: $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/;
896: } else {
897: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
898: }
899: if ($papersize eq 'a4') {
900: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
901: }
902: }
903: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
904: if ($indexlist eq 'yes') {
905: $text=~s/(\\begin{document})/\\makeindex $1/;
906: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
907: }
908: return $text;
909: }
910:
911:
912: sub page_cleanup {
913: my $result = shift;
914:
915: $result =~ m/\\end{document}(\d*)$/;
916: my $number_of_columns = $1;
917: my $insert = '{';
918: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
919: $insert .= '}';
920: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
921: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
922: return $result,$number_of_columns;
923: }
924:
925:
926: sub details_for_menu {
927: my ($helper)=@_;
928: my $postdata=$env{'form.postdata'};
929: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
930: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
931: my $symbolic = &Apache::lonnet::symbread($postdata);
932: return if ( $symbolic eq '');
933:
934: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
935: $map=&Apache::lonnet::clutter($map);
936: my $name_of_sequence = &Apache::lonnet::gettitle($map);
937: if ($name_of_sequence =~ /^\s*$/) {
938: $map =~ m|([^/]+)$|;
939: $name_of_sequence = $1;
940: }
941: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
942: if ($name_of_map =~ /^\s*$/) {
943: $env{'request.course.uri'} =~ m|([^/]+)$|;
944: $name_of_map = $1;
945: }
946: return ($name_of_resource,$name_of_sequence,$name_of_map);
947: }
948:
949: sub copyright_line {
950: 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 } ';
951: }
952: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
953:
954: sub latex_corrections {
955: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
956: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
957: my $copyright = ©right_line();
958: if ($selectionmade eq '1' || $answer_mode eq 'only') {
959: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
960: } else {
961: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
962: }
963: $result =~ s/\$number_of_columns/$number_of_columns/g;
964: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
965: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
966: #-- LaTeX corrections
967: my $first_comment = index($result,'<!--',0);
968: while ($first_comment != -1) {
969: my $end_comment = index($result,'-->',$first_comment);
970: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
971: $first_comment = index($result,'<!--',$first_comment);
972: }
973: $result =~ s/^\s+$//gm; #remove empty lines
974: #removes more than one empty space
975: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
976: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
977: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
978: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
979: $result =~ s/\\\\\s+\[/ \[/g;
980: #conversion of html characters to LaTeX equivalents
981: if ($result =~ m/&(\w+|#\d+);/) {
982: $result = &character_chart($result);
983: }
984: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
985: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
986: return $result;
987: }
988:
989:
990: sub index_table {
991: my $currentURL = shift;
992: my $insex_string='';
993: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
994: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
995: return $insex_string;
996: }
997:
998:
999: sub IndexCreation {
1000: my ($texversion,$currentURL)=@_;
1001: my @key_words=split(/,/,&index_table($currentURL));
1002: my $chunk='';
1003: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
1004: if ($st>0) {
1005: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
1006: $chunk=substr($texversion,0,$st+1);
1007: substr($texversion,0,$st+1)=' ';
1008: }
1009: foreach my $key_word (@key_words) {
1010: if ($key_word=~/\S+/) {
1011: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
1012: }
1013: }
1014: if ($st>0) {substr($texversion,0,1)=$chunk;}
1015: return $texversion;
1016: }
1017:
1018: sub print_latex_header {
1019: my $mode=shift;
1020: my $output='\documentclass[letterpaper,twoside]{article}\raggedbottom';
1021: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
1022: $output.='\batchmode';
1023: }
1024: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
1025: '\usepackage{multirow}'."\n".
1026: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
1027: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
1028: '\usepackage{wrapfig}'.
1029: '\usepackage{picins}\usepackage{calc}'."\n".
1030: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
1031: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
1032: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
1033: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
1034: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
1035: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
1036: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
1037: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
1038: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
1039: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
1040: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
1041: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
1042: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1043: return $output;
1044: }
1045:
1046: sub path_to_problem {
1047: my ($urlp,$colwidth)=@_;
1048: $urlp=&Apache::lonnet::clutter($urlp);
1049:
1050: my $newurlp = '';
1051: $colwidth=~s/\s*mm\s*$//;
1052: #characters average about 2 mm in width
1053: if (length($urlp)*2 > $colwidth) {
1054: my @elements = split('/',$urlp);
1055: my $curlength=0;
1056: foreach my $element (@elements) {
1057: if ($element eq '') { next; }
1058: if ($curlength+(length($element)*2) > $colwidth) {
1059: $newurlp .= '|\vskip -1 mm \verb|';
1060: $curlength=length($element)*2;
1061: } else {
1062: $curlength+=length($element)*2;
1063: }
1064: $newurlp.='/'.$element;
1065: }
1066: } else {
1067: $newurlp=$urlp;
1068: }
1069: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
1070: }
1071:
1072: sub recalcto_mm {
1073: my $textwidth=shift;
1074: my $LaTeXwidth;
1075: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1076: $LaTeXwidth = $1*10;
1077: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1078: $LaTeXwidth = $1;
1079: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1080: $LaTeXwidth = $1*25.4;
1081: }
1082: $LaTeXwidth.=' mm';
1083: return $LaTeXwidth;
1084: }
1085:
1086: sub get_textwidth {
1087: my ($helper,$LaTeXwidth)=@_;
1088: my $textwidth=$LaTeXwidth;
1089: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
1090: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1091: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
1092: $helper->{'VARS'}->{'pagesize.widthunit'});
1093: }
1094: return $textwidth;
1095: }
1096:
1097:
1098: sub unsupported {
1099: my ($currentURL,$mode,$symb)=@_;
1100: if ($mode ne '') {$mode='\\'.$mode}
1101: my $result.= &print_latex_header($mode);
1102: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
1103: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
1104: my $title=&Apache::lonnet::gettitle($symb);
1105: $title = &Apache::lonxml::latex_special_symbols($title);
1106: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1107: } else {
1108: $result.=$currentURL;
1109: }
1110: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1111: return $result;
1112: }
1113:
1114:
1115: #
1116: # List of recently generated print files
1117: #
1118: sub recently_generated {
1119: my $r=shift;
1120: my $prtspool=$r->dir_config('lonPrtDir');
1121: my $zip_result;
1122: my $pdf_result;
1123: opendir(DIR,$prtspool);
1124:
1125: my @files =
1126: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1127: closedir(DIR);
1128:
1129: @files = sort {
1130: my ($actime) = (stat($prtspool.'/'.$a))[10];
1131: my ($bctime) = (stat($prtspool.'/'.$b))[10];
1132: return $bctime <=> $actime;
1133: } (@files);
1134:
1135: foreach my $filename (@files) {
1136: my ($ext) = ($filename =~ m/(pdf|zip)$/);
1137: my ($cdev,$cino,$cmode,$cnlink,
1138: $cuid,$cgid,$crdev,$csize,
1139: $catime,$cmtime,$cctime,
1140: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1141: my $result="<a href='/prtspool/$filename'>".
1142: &mt('Generated [_1] ([_2] bytes)',
1143: &Apache::lonlocal::locallocaltime($cctime),$csize).
1144: '</a><br />';
1145: if ($ext eq 'pdf') { $pdf_result .= $result; }
1146: if ($ext eq 'zip') { $zip_result .= $result; }
1147: }
1148: if ($zip_result) {
1149: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
1150: .$zip_result);
1151: }
1152: if ($pdf_result) {
1153: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
1154: .$pdf_result);
1155: }
1156: }
1157:
1158: #
1159: # Retrieve the hash of page breaks.
1160: #
1161: # Inputs:
1162: # helper - reference to helper object.
1163: # Outputs
1164: # A reference to a page break hash.
1165: #
1166: #
1167: #use Data::Dumper;
1168: #sub dump_helper_vars {
1169: # my ($helper) = @_;
1170: # my $helpervars = Dumper($helper->{'VARS'});
1171: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
1172: #}
1173:
1174: sub get_page_breaks {
1175: my ($helper) = @_;
1176: my %page_breaks;
1177:
1178: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1179: $page_breaks{$break} = 1;
1180: }
1181: return %page_breaks;
1182: }
1183:
1184: # Output a sequence (recursively if neeed)
1185: # from construction space.
1186: # Parameters:
1187: # url = URL of the sequence to print.
1188: # helper - Reference to the helper hash.
1189: # form - Copy of the format hash.
1190: # LaTeXWidth
1191: # Returns:
1192: # Text to add to the printout.
1193: # NOTE if the first element of the outermost sequence
1194: # is itself a sequence, the outermost caller may need to
1195: # prefix the latex with the page headers stuff.
1196: #
1197: sub print_construction_sequence {
1198: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1199: my $result;
1200: my $rndseed=time;
1201: if ($helper->{'VARS'}->{'curseed'}) {
1202: $rndseed=$helper->{'VARS'}->{'curseed'};
1203: }
1204: my $errtext=&LONCAPA::map::mapread($currentURL);
1205: #
1206: # These make this all support recursing for subsequences.
1207: #
1208: my @order = @LONCAPA::map::order;
1209: my @resources = @LONCAPA::map::resources;
1210: for (my $member=0;$member<=$#order;$member++) {
1211: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
1212: my $urlp=$2;
1213: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1214: my $texversion='';
1215: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1216: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1217: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1218: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1219: $form{'rndseed'}=$rndseed;
1220: $resources_printed .=$urlp.':';
1221: $texversion=&Apache::lonnet::ssi($urlp,%form);
1222: }
1223: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1224: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1225: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1226: # Don't permanently modify %$form...
1227: my %answerform = %form;
1228: $answerform{'grade_target'}='answer';
1229: $answerform{'answer_output_mode'}='tex';
1230: $answerform{'rndseed'}=$rndseed;
1231: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1232: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1233: $resources_printed .= $urlp.':';
1234: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1235: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1236: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1237: } else {
1238: # If necessary, encapsulate answer in minipage:
1239:
1240: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1241: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
1242: $title = &Apache::lonxml::latex_special_symbols($title);
1243: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1244: $body.=&path_to_problem($urlp,$LaTeXwidth);
1245: $body.='\vskip 1 mm '.$answer.'\end{document}';
1246: $body = &encapsulate_minipage($body);
1247: $texversion.=$body;
1248: }
1249: }
1250: $texversion = &latex_header_footer_remove($texversion);
1251:
1252: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1253: $texversion=&IndexCreation($texversion,$urlp);
1254: }
1255: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1256: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1257: }
1258: $result.=$texversion;
1259:
1260: } elsif ($urlp=~/\.(sequence|page)$/) {
1261:
1262: # header:
1263:
1264: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1265:
1266: # IF sequence, recurse:
1267:
1268: if ($urlp =~ /\.sequence$/) {
1269: my $sequence_url = $urlp;
1270: my $domain = $env{'user.domain'}; # Constr. space only on local
1271: my $user = $env{'user.name'};
1272:
1273: $sequence_url =~ s/^\/res\/$domain/\/home/;
1274: $sequence_url =~ s/^(\/home\/$user)/$1\/public_html/;
1275: # $sequence_url =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1276: $result .= &print_construction_sequence($sequence_url,
1277: $helper, %form,
1278: $LaTeXwidth);
1279: }
1280: }
1281: }
1282: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1283: return $result;
1284: }
1285:
1286: sub output_data {
1287: my ($r,$helper,$rparmhash) = @_;
1288: my %parmhash = %$rparmhash;
1289: $resources_printed = '';
1290: my $do_postprocessing = 1;
1291: my $js = <<ENDPART;
1292: <script type="text/javascript">
1293: var editbrowser;
1294: function openbrowser(formname,elementname,only,omit) {
1295: var url = '/res/?';
1296: if (editbrowser == null) {
1297: url += 'launch=1&';
1298: }
1299: url += 'catalogmode=interactive&';
1300: url += 'mode=parmset&';
1301: url += 'form=' + formname + '&';
1302: if (only != null) {
1303: url += 'only=' + only + '&';
1304: }
1305: if (omit != null) {
1306: url += 'omit=' + omit + '&';
1307: }
1308: url += 'element=' + elementname + '';
1309: var title = 'Browser';
1310: var options = 'scrollbars=1,resizable=1,menubar=0';
1311: options += ',width=700,height=600';
1312: editbrowser = open(url,title,options,'1');
1313: editbrowser.focus();
1314: }
1315: </script>
1316: ENDPART
1317:
1318: my $start_page = &Apache::loncommon::start_page('Preparing Printout',$js);
1319: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1320:
1321: $r->print($start_page."\n<p>\n$msg\n</p>\n");
1322:
1323: # fetch the pagebreaks and store them in the course environment
1324: # The page breaks will be pulled into the hash %page_breaks which is
1325: # indexed by symb and contains 1's for each break.
1326:
1327: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1328: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1329: &Apache::loncommon::store_course_settings('print',
1330: {'pagebreaks' => 'scalar',
1331: 'lastprinttype' => 'scalar'});
1332:
1333: my %page_breaks = &get_page_breaks($helper);
1334:
1335: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1336: my ($result,$selectionmade) = ('','');
1337: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1338: my @temporary_array=split /\|/,$format_from_helper;
1339: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1340: if ($laystyle eq 'L') {
1341: $laystyle='album';
1342: } else {
1343: $laystyle='book';
1344: }
1345: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1346: my $assignment = $env{'form.assignment'};
1347: my $LaTeXwidth=&recalcto_mm($textwidth);
1348: my @print_array=();
1349: my @student_names=();
1350:
1351: # Common settings for the %form has:
1352: # In some cases these settings get overriddent by specific cases, but the
1353: # settings are common enough to make it worthwhile factoring them out
1354: # here.
1355: #
1356: my %form;
1357: $form{'grade_target'} = 'tex';
1358: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1359:
1360: # If form.showallfoils is set, then request all foils be shown:
1361: # privilege will be enforced both by not allowing the
1362: # check box selecting this option to be presnt unless it's ok,
1363: # and by lonresponse's priv. check.
1364: # The if is here because lonresponse.pm only cares that
1365: # showallfoils is defined, not what the value is.
1366:
1367: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1368: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1369: }
1370:
1371: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1372: #-- single document - problem, page, html, xml, ...
1373: my ($currentURL,$cleanURL);
1374:
1375: if ($helper->{'VARS'}->{'construction'} ne '1') {
1376: #prints published resource
1377: $currentURL=$helper->{'VARS'}->{'postdata'};
1378: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1379: } else {
1380: #prints resource from the construction space
1381: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1382: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1383: $cleanURL=$currentURL;
1384: }
1385: $selectionmade = 1;
1386: if ($cleanURL!~m|^/adm/|
1387: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1388: my $rndseed=time;
1389: my $texversion='';
1390: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1391: my %moreenv;
1392: $moreenv{'request.filename'}=$cleanURL;
1393: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1394: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1395: my $dom = $env{'user.domain'};
1396: my $user = $env{'user.name'};
1397: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1398: }
1399: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1400: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1401: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1402: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1403: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1404: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1405: if ($helper->{'VARS'}->{'curseed'}) {
1406: $rndseed=$helper->{'VARS'}->{'curseed'};
1407: }
1408: $form{'rndseed'}=$rndseed;
1409: &Apache::lonnet::appenv(%moreenv);
1410:
1411: &Apache::lonxml::clear_problem_counter();
1412:
1413: $resources_printed .= $currentURL.':';
1414: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1415:
1416: &Apache::lonxml::clear_problem_counter();
1417:
1418: &Apache::lonnet::delenv('request.filename');
1419: }
1420: # current document with answers.. no need to encap in minipage
1421: # since there's only one answer.
1422:
1423: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1424: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1425: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1426: $form{'grade_target'}='answer';
1427: $form{'answer_output_mode'}='tex';
1428: $form{'rndseed'}=$rndseed;
1429: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1430: $form{'problemtype'}='exam';
1431: }
1432: $resources_printed .= $currentURL.':';
1433: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1434: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1435: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1436: } else {
1437: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1438: if ($helper->{'VARS'}->{'construction'} ne '1') {
1439: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
1440: $title = &Apache::lonxml::latex_special_symbols($title);
1441: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1442: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1443: } else {
1444: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1445: my $URLpath=$cleanURL;
1446: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1447: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1448: }
1449: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1450: }
1451: }
1452: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1453: $texversion=&IndexCreation($texversion,$currentURL);
1454: }
1455: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1456: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1457:
1458: }
1459: $result .= $texversion;
1460: if ($currentURL=~m/\.page\s*$/) {
1461: ($result,$number_of_columns) = &page_cleanup($result);
1462: }
1463: } elsif ($cleanURL!~m|^/adm/|
1464: && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1465: #printing content of sequence from the construction space
1466: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1467: $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1468: $result .= &print_construction_sequence($currentURL, $helper, %form,
1469: $LaTeXwidth);
1470: $result .= '\end{document}';
1471: if (!($result =~ /\\begin\{document\}/)) {
1472: $result = &print_latex_header() . $result;
1473: }
1474: # End construction space sequence.
1475: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1476: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1477: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1478: $resources_printed .= $currentURL.':';
1479: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1480: $result .= $texversion;
1481: } elsif ($cleanURL =~/.tex$/) {
1482: # For this sort of print of a single LaTeX file,
1483: # We can just print the LaTeX file as it is uninterpreted in any way:
1484: #
1485:
1486: $result = &fetch_raw_resource($currentURL);
1487: $do_postprocessing = 0; # Don't massage the result.
1488:
1489: } else {
1490: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
1491: $helper->{'VARS'}->{'symb'});
1492: }
1493: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1494: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1495: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1496: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1497: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1498: #-- produce an output string
1499: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1500: $selectionmade = 2;
1501: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1502: $selectionmade = 3;
1503: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1504: $selectionmade = 4;
1505: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1506: $selectionmade = 4;
1507: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1508: $selectionmade = 7;
1509: }
1510: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1511: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1512: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1513: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1514: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1515: my $flag_latex_header_remove = 'NO';
1516: my $flag_page_in_sequence = 'NO';
1517: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1518: my $prevassignment='';
1519:
1520: &Apache::lonxml::clear_problem_counter();
1521:
1522: my $pbreakresources = keys %page_breaks;
1523: for (my $i=0;$i<=$#master_seq;$i++) {
1524:
1525: # Note due to document structure, not allowed to put \newpage
1526: # prior to the first resource
1527:
1528: if (defined $page_breaks{$master_seq[$i]}) {
1529: if($i != 0) {
1530: $result.="\\newpage\n";
1531: }
1532: }
1533: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1534: $urlp=&Apache::lonnet::clutter($urlp);
1535: $form{'symb'}=$master_seq[$i];
1536:
1537: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1538: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1539: if ($i==0) {$prevassignment=$assignment;}
1540: my $texversion='';
1541: if ($urlp!~m|^/adm/|
1542: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1543: $resources_printed .= $urlp.':';
1544:
1545: &Apache::lonxml::remember_problem_counter();
1546: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1547: if ($urlp=~/\.page$/) {
1548: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1549: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1550: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1551: $flag_page_in_sequence = 'YES';
1552: }
1553:
1554: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1555: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1556: # Don't permanently pervert the %form hash
1557: my %answerform = %form;
1558: $answerform{'grade_target'}='answer';
1559: $answerform{'answer_output_mode'}='tex';
1560: $resources_printed .= $urlp.':';
1561:
1562: &Apache::lonxml::restore_problem_counter();
1563: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1564:
1565: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1566: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1567: } else {
1568: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1569: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1570: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
1571: $title = &Apache::lonxml::latex_special_symbols($title);
1572: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1573: $body .= &path_to_problem ($urlp,$LaTeXwidth);
1574: $body .='\vskip 1 mm '.$answer;
1575: $body = &encapsulate_minipage($body);
1576: $texversion .= $body;
1577: } else {
1578: $texversion='';
1579: }
1580: }
1581: }
1582: if ($flag_latex_header_remove ne 'NO') {
1583: $texversion = &latex_header_footer_remove($texversion);
1584: } else {
1585: $texversion =~ s/\\end{document}//;
1586: }
1587: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1588: $texversion=&IndexCreation($texversion,$urlp);
1589: }
1590: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1591: my $name = &get_name();
1592: my $courseidinfo = &get_course();
1593: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1594: $prevassignment=$assignment;
1595: my $header_text = $parmhash{'print_header_format'};
1596: $header_text = &format_page_header($textwidth, $header_text,
1597: $assignment,
1598: $courseidinfo,
1599: $name);
1600: if ($numberofcolumns eq '1') {
1601: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1602: } else {
1603: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1604: }
1605: }
1606: $result .= $texversion;
1607: $flag_latex_header_remove = 'YES';
1608: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1609: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1610: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1611: $resources_printed .= $urlp.':';
1612: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1613: if ($flag_latex_header_remove ne 'NO') {
1614: $texversion = &latex_header_footer_remove($texversion);
1615: } else {
1616: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1617: }
1618: $result .= $texversion;
1619: $flag_latex_header_remove = 'YES';
1620: } else {
1621: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
1622: $master_seq[$i]);
1623: if ($flag_latex_header_remove ne 'NO') {
1624: $texversion = &latex_header_footer_remove($texversion);
1625: } else {
1626: $texversion =~ s/\\end{document}//;
1627: }
1628: $result .= $texversion;
1629: $flag_latex_header_remove = 'YES';
1630: }
1631: if (&Apache::loncommon::connection_aborted($r)) { last; }
1632: }
1633: &Apache::lonxml::clear_problem_counter();
1634: if ($flag_page_in_sequence eq 'YES') {
1635: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1636: }
1637: $result .= '\end{document}';
1638: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1639: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1640:
1641:
1642: #-- prints assignments for whole class or for selected students
1643: my $type;
1644: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1645: $selectionmade=5;
1646: $type='problems';
1647: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1648: $selectionmade=8;
1649: $type='resources';
1650: }
1651: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1652: # The normal sort order is by section then by students within the
1653: # section. If the helper var student_sort is 1, then the user has elected
1654: # to override this and output the students by name.
1655: # Each element of the students array is of the form:
1656: # username:domain:section:last, first:status
1657: #
1658: # Note that student sort is not compatible with printing
1659: # 1 section per pdf...so that setting overrides.
1660: #
1661: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
1662: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1663: @students = sort compare_names @students;
1664: }
1665: &adjust_number_to_print($helper);
1666:
1667: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1668: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1669: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1670: }
1671: # If we are splitting on section boundaries, we need
1672: # to remember that in split_on_sections and
1673: # print all of the students in the list.
1674: #
1675: my $split_on_sections = 0;
1676: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
1677: $split_on_sections = 1;
1678: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
1679: }
1680: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1681:
1682: #loop over students
1683: my $flag_latex_header_remove = 'NO';
1684: my %moreenv;
1685: $moreenv{'instructor_comments'}='hide';
1686: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1687: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1688: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1689: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1690: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1691: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1692: my $student_counter=-1;
1693: my $i = 0;
1694: my $last_section = (split(/:/,$students[0]))[2];
1695: foreach my $person (@students) {
1696:
1697: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1698: if (-e $duefile) {
1699: my $temp_file = Apache::File->new('>>'.$duefile);
1700: print $temp_file "1969\n";
1701: }
1702: $student_counter++;
1703: if ($split_on_sections) {
1704: my $this_section = (split(/:/,$person))[2];
1705: if ($this_section ne $last_section) {
1706: $i++;
1707: $last_section = $this_section;
1708: }
1709: } else {
1710: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1711: }
1712: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1713: $person,$type,
1714: \%moreenv,\@master_seq,
1715: $flag_latex_header_remove,
1716: $LaTeXwidth);
1717: $resources_printed .= ":";
1718: $print_array[$i].=$output;
1719: $student_names[$i].=$person.':'.$fullname.'_END_';
1720: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1721: $flag_latex_header_remove = 'YES';
1722: if (&Apache::loncommon::connection_aborted($r)) { last; }
1723: }
1724: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1725: $result .= $print_array[0].' \end{document}';
1726: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1727: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1728: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1729: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1730: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1731: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1732: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1733: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1734: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1735:
1736: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1737: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1738: my ($code_type,$code_length)=('letter',6);
1739: foreach my $line (<FH>) {
1740: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1741: if ($name eq $code_option) {
1742: $code_length=$length;
1743: if ($type eq 'number') { $code_type = 'number'; }
1744: }
1745: }
1746: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1747: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1748: $moreenv{'instructor_comments'}='hide';
1749: my $seed=time+($$<<16)+($$);
1750: my @allcodes;
1751: if ($old_name) {
1752: my %result=&Apache::lonnet::get('CODEs',
1753: [$old_name,"type\0$old_name"],
1754: $cdom,$cnum);
1755: $code_type=$result{"type\0$old_name"};
1756: @allcodes=split(',',$result{$old_name});
1757: $num_todo=scalar(@allcodes);
1758: } elsif ($selected_code) { # Selection value is always numeric.
1759: $num_todo = 1;
1760: @allcodes = ($selected_code);
1761: } elsif ($single_code) {
1762:
1763: $num_todo = 1; # Unconditionally one code to do.
1764: # If an alpha code have to convert to numbers so it can be
1765: # converted back to letters again :-)
1766: #
1767: if ($code_type ne 'number') {
1768: $single_code = &letters_to_num($single_code);
1769: }
1770: @allcodes = ($single_code);
1771: } else {
1772: my %allcodes;
1773: srand($seed);
1774: for (my $i=0;$i<$num_todo;$i++) {
1775: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1776: $code_type);
1777: }
1778: if ($code_name) {
1779: &Apache::lonnet::put('CODEs',
1780: {
1781: $code_name =>join(',',keys(%allcodes)),
1782: "type\0$code_name" => $code_type
1783: },
1784: $cdom,$cnum);
1785: }
1786: @allcodes=keys(%allcodes);
1787: }
1788: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1789: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1790: &adjust_number_to_print($helper);
1791: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1792: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1793: $number_per_page=$num_todo;
1794: }
1795: my $flag_latex_header_remove = 'NO';
1796: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1797: my $count=0;
1798: foreach my $code (sort(@allcodes)) {
1799: my $file_num=int($count/$number_per_page);
1800: if ($code_type eq 'number') {
1801: $moreenv{'CODE'}=$code;
1802: } else {
1803: $moreenv{'CODE'}=&num_to_letters($code);
1804: }
1805: my ($output,$fullname, $printed)=
1806: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1807: \@master_seq,$flag_latex_header_remove,
1808: $LaTeXwidth);
1809: $resources_printed .= ":";
1810: $print_array[$file_num].=$output;
1811: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1812: &mt('last assignment').' '.$fullname);
1813: $flag_latex_header_remove = 'YES';
1814: $count++;
1815: if (&Apache::loncommon::connection_aborted($r)) { last; }
1816: }
1817: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1818: $result .= $print_array[0].' \end{document}';
1819: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1820: #prints selected problems from the subdirectory
1821: $selectionmade = 6;
1822: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1823: @list_of_files=sort @list_of_files;
1824: my $flag_latex_header_remove = 'NO';
1825: my $rndseed=time;
1826: if ($helper->{'VARS'}->{'curseed'}) {
1827: $rndseed=$helper->{'VARS'}->{'curseed'};
1828: }
1829: for (my $i=0;$i<=$#list_of_files;$i++) {
1830: my $urlp = $list_of_files[$i];
1831: $urlp=~s|//|/|;
1832: if ($urlp=~/\//) {
1833: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1834: $form{'rndseed'}=$rndseed;
1835: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1836: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1837: } else {
1838: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1839: }
1840: $resources_printed .= $urlp.':';
1841: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1842: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1843: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1844: # Don't permanently pervert %form:
1845: my %answerform = %form;
1846: $answerform{'grade_target'}='answer';
1847: $answerform{'answer_output_mode'}='tex';
1848: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1849: $answerform{'rndseed'}=$rndseed;
1850: $resources_printed .= $urlp.':';
1851: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1852: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1853: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1854: } else {
1855: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1856: if ($helper->{'VARS'}->{'construction'} ne '1') {
1857: $texversion.='\vskip 0 mm \noindent ';
1858: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1859: } else {
1860: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1861: my $URLpath=$urlp;
1862: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1863: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1864: }
1865: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1866: }
1867: }
1868: #this chunck is responsible for printing the path to problem
1869: my $newurlp=$urlp;
1870: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1871: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1872: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1873: if ($flag_latex_header_remove ne 'NO') {
1874: $texversion = &latex_header_footer_remove($texversion);
1875: } else {
1876: $texversion =~ s/\\end{document}//;
1877: }
1878: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1879: $texversion=&IndexCreation($texversion,$urlp);
1880: }
1881: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1882: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1883:
1884: }
1885: $result .= $texversion;
1886: }
1887: $flag_latex_header_remove = 'YES';
1888: }
1889: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1890: $result .= '\end{document}';
1891: }
1892: #-------------------------------------------------------- corrections for the different page formats
1893:
1894: # Only post process if that has not been turned off e.g. by a raw latex resource.
1895:
1896: if ($do_postprocessing) {
1897: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1898: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
1899: $helper->{'VARS'}->{'ANSWER_TYPE'});
1900: #if ($numberofcolumns == 1) {
1901: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1902: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1903: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1904: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1905: #}
1906: }
1907:
1908: #-- writing .tex file in prtspool
1909: my $temp_file;
1910: my $identifier = &Apache::loncommon::get_cgi_id();
1911: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1912: if (!($#print_array>0)) {
1913: unless ($temp_file = Apache::File->new('>'.$filename)) {
1914: $r->log_error("Couldn't open $filename for output $!");
1915: return SERVER_ERROR;
1916: }
1917: print $temp_file $result;
1918: my $begin=index($result,'\begin{document}',0);
1919: my $inc=substr($result,0,$begin+16);
1920: } else {
1921: my $begin=index($result,'\begin{document}',0);
1922: my $inc=substr($result,0,$begin+16);
1923: for (my $i=0;$i<=$#print_array;$i++) {
1924: if ($i==0) {
1925: $print_array[$i]=$result;
1926: } else {
1927: $print_array[$i].='\end{document}';
1928: $print_array[$i] =
1929: &latex_corrections($number_of_columns,$print_array[$i],
1930: $selectionmade,
1931: $helper->{'VARS'}->{'ANSWER_TYPE'});
1932:
1933: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1934: substr($print_array[$i],0,$anobegin)='';
1935: $print_array[$i]=$inc.$print_array[$i];
1936: }
1937: my $temp_file;
1938: my $newfilename=$filename;
1939: my $num=$i+1;
1940: $newfilename =~s/\.tex$//;
1941: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1942: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1943: $r->log_error("Couldn't open $newfilename for output $!");
1944: return SERVER_ERROR;
1945: }
1946: print $temp_file $print_array[$i];
1947: }
1948: }
1949: my $student_names='';
1950: if ($#print_array>0) {
1951: for (my $i=0;$i<=$#print_array;$i++) {
1952: $student_names.=$student_names[$i].'_ENDPERSON_';
1953: }
1954: } else {
1955: if ($#student_names>-1) {
1956: $student_names=$student_names[0].'_ENDPERSON_';
1957: } else {
1958: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1959: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1960: $env{'request.course.sec'},$fullname).
1961: '_ENDPERSON_'.'_END_';
1962: }
1963: }
1964:
1965: my $URLback=''; #link to original document
1966: if ($helper->{'VARS'}->{'construction'} ne '1') {
1967: #prints published resource
1968: $URLback=&escape('/adm/flip?postdata=return:');
1969: } else {
1970: #prints resource from the construction space
1971: $URLback='/'.$helper->{'VARS'}->{'filename'};
1972: if ($URLback=~/([^?]+)/) {
1973: $URLback=$1;
1974: $URLback=~s|^/~|/priv/|;
1975: }
1976: }
1977: # logic for now is too complex to trace if this has been defined
1978: # yet.
1979: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1980: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1981: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1982: 'cgi.'.$identifier.'.layout' => $laystyle,
1983: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1984: 'cgi.'.$identifier.'.paper' => $papersize,
1985: 'cgi.'.$identifier.'.selection' => $selectionmade,
1986: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1987: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1988: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1989: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1990: 'cgi.'.$identifier.'.studentnames' => $student_names,
1991: 'cgi.'.$identifier.'.backref' => $URLback,);
1992: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1993: "cgi.$identifier.domain" => $env{'user.domain'},
1994: "cgi.$identifier.courseid" => $cnum,
1995: "cgi.$identifier.coursedom" => $cdom,
1996: "cgi.$identifier.resources" => $resources_printed);
1997:
1998: my $end_page = &Apache::loncommon::end_page();
1999: $r->print(<<FINALEND);
2000: <br />
2001: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
2002: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
2003: $end_page
2004: FINALEND
2005: }
2006:
2007:
2008: sub get_CODE {
2009: my ($all_codes,$num,$seed,$size,$type)=@_;
2010: my $max='1'.'0'x$size;
2011: my $newcode;
2012: while(1) {
2013: $newcode=sprintf("%0".$size."d",int(rand($max)));
2014: if (!exists($$all_codes{$newcode})) {
2015: $$all_codes{$newcode}=1;
2016: if ($type eq 'number' ) {
2017: return $newcode;
2018: } else {
2019: return &num_to_letters($newcode);
2020: }
2021: }
2022: }
2023: }
2024:
2025: sub print_resources {
2026: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
2027: $LaTeXwidth)=@_;
2028: my $current_output = '';
2029: my $printed = '';
2030: my ($username,$userdomain,$usersection) = split /:/,$person;
2031: my $fullname = &get_name($username,$userdomain);
2032: my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
2033: if ($person =~ 'anon') {
2034: $namepostfix .="Name: ";
2035: $fullname = "CODE - ".$moreenv->{'CODE'};
2036: }
2037: # Fullname may have special latex characters that need \ prefixing:
2038: #
2039:
2040: my $i = 0;
2041: #goes through all resources, checks if they are available for
2042: #current student, and produces output
2043:
2044: &Apache::lonxml::clear_problem_counter();
2045: my %page_breaks = &get_page_breaks($helper);
2046: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
2047: #
2048: # end each student with a
2049: # Special that allows the post processor to even out the page
2050: # counts later. Nasty problem this... it would be really
2051: # nice to put the special in as a postscript comment
2052: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
2053: # The special gets passed the \ and dvips puts it in the output file
2054: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
2055: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
2056: #
2057:
2058: foreach my $curresline (@{$master_seq}) {
2059: if (defined $page_breaks{$curresline}) {
2060: if($i != 0) {
2061: $current_output.= "\\newpage\n";
2062: }
2063: }
2064: $i++;
2065: if ( !($type eq 'problems' &&
2066: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
2067: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
2068: if (&Apache::lonnet::allowed('bre',$res_url)) {
2069: if ($res_url!~m|^ext/|
2070: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
2071: $printed .= $curresline.':';
2072:
2073: &Apache::lonxml::remember_problem_counter();
2074:
2075: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
2076:
2077: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
2078: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
2079: # Use a copy of the hash so we don't pervert it on future loop passes.
2080: my %answerenv = %{$moreenv};
2081: $answerenv{'answer_output_mode'}='tex';
2082: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
2083:
2084: &Apache::lonxml::restore_problem_counter();
2085:
2086: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
2087:
2088: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
2089: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
2090: } else {
2091:
2092:
2093: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
2094: my $title = &Apache::lonnet::gettitle($curresline);
2095: $title = &Apache::lonxml::latex_special_symbols($title);
2096: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
2097: $body .=&path_to_problem($res_url,$LaTeXwidth);
2098: $body .='\vskip 1 mm '.$ansrendered;
2099: $body = &encapsulate_minipage($body);
2100: $rendered = $header.$body;
2101: }
2102: }
2103: if ($remove_latex_header eq 'YES') {
2104: $rendered = &latex_header_footer_remove($rendered);
2105: } else {
2106: $rendered =~ s/\\end{document}//;
2107: }
2108: $current_output .= $rendered;
2109: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
2110: $printed .= $curresline.':';
2111: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
2112:
2113: if ($remove_latex_header eq 'YES') {
2114: $rendered = &latex_header_footer_remove($rendered);
2115: } else {
2116: $rendered =~ s/\\end{document}//;
2117: }
2118: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
2119:
2120: } else {
2121: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
2122: if ($remove_latex_header ne 'NO') {
2123: $rendered = &latex_header_footer_remove($rendered);
2124: } else {
2125: $rendered =~ s/\\end{document}//;
2126: }
2127: $current_output .= $rendered;
2128: }
2129: }
2130: $remove_latex_header = 'YES';
2131: }
2132: if (&Apache::loncommon::connection_aborted($r)) { last; }
2133: }
2134: my $courseidinfo = &get_course();
2135: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
2136: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
2137: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
2138: my $header_line =
2139: &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
2140: $currentassignment, $courseidinfo, $fullname);
2141: my $header_start = ($columns_in_format == 1) ? '\lhead'
2142: : '\fancyhead[LO]';
2143: $header_line = $header_start.'{'.$header_line.'}';
2144:
2145: if ($current_output=~/\\documentclass/) {
2146: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
2147: } else {
2148: my $blankpages =
2149: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
2150:
2151: $current_output = '\strut\vspace*{-6 mm}\\newline'.
2152: ©right_line().' \newpage '.$blankpages.$end_of_student.
2153: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
2154: $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
2155: }
2156: #
2157: # Close the student bracketing.
2158: #
2159: return ($current_output,$fullname, $printed);
2160:
2161: }
2162:
2163: sub handler {
2164:
2165: my $r = shift;
2166:
2167: &init_perm();
2168:
2169:
2170:
2171: my $helper = printHelper($r);
2172: if (!ref($helper)) {
2173: return $helper;
2174: }
2175:
2176:
2177: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2178:
2179:
2180:
2181:
2182: # If a figure conversion queue file exists for this user.domain
2183: # we delete it since it can only be bad (if it were good, printout.pl
2184: # would have deleted it the last time around.
2185:
2186: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
2187: if(-e $conversion_queuefile) {
2188: unlink $conversion_queuefile;
2189: }
2190: &output_data($r,$helper,\%parmhash);
2191: return OK;
2192: }
2193:
2194: use Apache::lonhelper;
2195:
2196: sub addMessage {
2197: my $text = shift;
2198: my $paramHash = Apache::lonhelper::getParamHash();
2199: $paramHash->{MESSAGE_TEXT} = $text;
2200: Apache::lonhelper::message->new();
2201: }
2202:
2203:
2204:
2205: sub init_perm {
2206: undef(%perm);
2207: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
2208: if (!$perm{'pav'}) {
2209: $perm{'pav'}=&Apache::lonnet::allowed('pav',
2210: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2211: }
2212: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
2213: if (!$perm{'pfo'}) {
2214: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
2215: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2216: }
2217: }
2218:
2219: sub printHelper {
2220: my $r = shift;
2221:
2222: if ($r->header_only) {
2223: if ($env{'browser.mathml'}) {
2224: &Apache::loncommon::content_type($r,'text/xml');
2225: } else {
2226: &Apache::loncommon::content_type($r,'text/html');
2227: }
2228: $r->send_http_header;
2229: return OK;
2230: }
2231:
2232: # Send header, nocache
2233: if ($env{'browser.mathml'}) {
2234: &Apache::loncommon::content_type($r,'text/xml');
2235: } else {
2236: &Apache::loncommon::content_type($r,'text/html');
2237: }
2238: &Apache::loncommon::no_cache($r);
2239: $r->send_http_header;
2240: $r->rflush();
2241:
2242: # Unfortunately, this helper is so complicated we have to
2243: # write it by hand
2244:
2245: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
2246:
2247: my $helper = Apache::lonhelper::helper->new("Printing Helper");
2248: $helper->declareVar('symb');
2249: $helper->declareVar('postdata');
2250: $helper->declareVar('curseed');
2251: $helper->declareVar('probstatus');
2252: $helper->declareVar('filename');
2253: $helper->declareVar('construction');
2254: $helper->declareVar('assignment');
2255: $helper->declareVar('style_file');
2256: $helper->declareVar('student_sort');
2257: $helper->declareVar('FINISHPAGE');
2258: $helper->declareVar('PRINT_TYPE');
2259: $helper->declareVar("showallfoils");
2260: $helper->declareVar("STUDENTS");
2261:
2262: # The page breaks can get loaded initially from the course environment:
2263: # But we only do this in the initial state so that they are allowed to change.
2264: #
2265:
2266: # $helper->{VARS}->{FINISHPAGE} = '';
2267:
2268: &Apache::loncommon::restore_course_settings('print',
2269: {'pagebreaks' => 'scalar',
2270: 'lastprinttype' => 'scalar'});
2271:
2272: # This will persistently load in the data we want from the
2273: # very first screen.
2274:
2275: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
2276: if (!defined ($env{"form.CURRENT_STATE"})) {
2277:
2278: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2279: } else {
2280: my $state = $env{"form.CURRENT_STATE"};
2281: if ($state eq "START") {
2282: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2283: }
2284: }
2285:
2286: }
2287:
2288:
2289: # Detect whether we're coming from construction space
2290: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
2291: $helper->{VARS}->{'filename'} = "~$1/$2";
2292: $helper->{VARS}->{'construction'} = 1;
2293: } else {
2294: if ($env{'form.postdata'}) {
2295: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
2296: if ( $helper->{VARS}->{'symb'} eq '') {
2297: $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
2298: }
2299: }
2300: if ($env{'form.symb'}) {
2301: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2302: }
2303: if ($env{'form.url'}) {
2304: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2305: }
2306:
2307: }
2308:
2309: if ($env{'form.symb'}) {
2310: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2311: }
2312: if ($env{'form.url'}) {
2313: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2314:
2315: }
2316: $helper->{VARS}->{'symb'}=
2317: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
2318: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
2319: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
2320:
2321:
2322: # Extract map
2323: my $symb = $helper->{VARS}->{'symb'};
2324: my ($map, $id, $url);
2325: my $subdir;
2326: my $is_published=0; # True when printing from resource space.
2327:
2328: # Get the resource name from construction space
2329: if ($helper->{VARS}->{'construction'}) {
2330: $resourceTitle = substr($helper->{VARS}->{'filename'},
2331: rindex($helper->{VARS}->{'filename'}, '/')+1);
2332: $subdir = substr($helper->{VARS}->{'filename'},
2333: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
2334: } else {
2335: if ($symb ne '') {
2336: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
2337: $helper->{VARS}->{'postdata'} =
2338: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
2339: } else {
2340: $url = $helper->{VARS}->{'postdata'};
2341: $is_published=1; # From resource space.
2342: }
2343: $url = &Apache::lonnet::clutter($url);
2344:
2345: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
2346: my $postdata = $helper->{VARS}->{'postdata'};
2347: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
2348: }
2349: $subdir = &Apache::lonnet::filelocation("", $url);
2350: }
2351: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2352: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2353: }
2354: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2355: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2356: }
2357:
2358: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2359:
2360: Apache::lonhelper::registerHelperTags();
2361:
2362: # "Delete everything after the last slash."
2363: $subdir =~ s|/[^/]+$||;
2364:
2365: # What can be printed is a very dynamic decision based on
2366: # lots of factors. So we need to dynamically build this list.
2367: # To prevent security leaks, states are only added to the wizard
2368: # if they can be reached, which ensures manipulating the form input
2369: # won't allow anyone to reach states they shouldn't have permission
2370: # to reach.
2371:
2372: # printChoices is tracking the kind of printing the user can
2373: # do, and will be used in a choices construction later.
2374: # In the meantime we will be adding states and elements to
2375: # the helper by hand.
2376: my $printChoices = [];
2377: my $paramHash;
2378:
2379: if ($resourceTitle) {
2380: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2381: }
2382:
2383: # Useful filter strings
2384: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2385: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2386: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2387: my $isNotMap = '!$res->is_sequence()';
2388: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2389: my $isMap = '$res->is_map()';
2390: my $symbFilter = '$res->shown_symb()';
2391: my $urlValue = '$res->link()';
2392:
2393: $helper->declareVar('SEQUENCE');
2394:
2395: # If we're in a sequence...
2396:
2397: my $start_new_option;
2398: if ($perm{'pav'}) {
2399: $start_new_option =
2400: "<option text='".&mt('Start new page<br />before selected').
2401: "' variable='FINISHPAGE' />";
2402: }
2403:
2404: if (($helper->{'VARS'}->{'construction'} ne '1' ) &&
2405:
2406: $helper->{VARS}->{'postdata'} &&
2407: $helper->{VARS}->{'assignment'}) {
2408: # Allow problems from sequence
2409: push @{$printChoices}, [&mt('Selected <b>Problems</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems', 'CHOOSE_PROBLEMS'];
2410: # Allow all resources from sequence
2411: push @{$printChoices}, [&mt('Selected <b>Resources</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2412:
2413: my $helperFragment = <<HELPERFRAGMENT;
2414: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2415: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2416: closeallpages="1">
2417: <nextstate>PAGESIZE</nextstate>
2418: <filterfunc>return $isProblem;</filterfunc>
2419: <mapurl>$map</mapurl>
2420: <valuefunc>return $symbFilter;</valuefunc>
2421: $start_new_option
2422: </resource>
2423: </state>
2424:
2425: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2426: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2427: closeallpages="1">
2428: <nextstate>PAGESIZE</nextstate>
2429: <filterfunc>return $isNotMap;</filterfunc>
2430: <mapurl>$map</mapurl>
2431: <valuefunc>return $symbFilter;</valuefunc>
2432: $start_new_option
2433: </resource>
2434: </state>
2435: HELPERFRAGMENT
2436:
2437: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2438: }
2439:
2440: # If the user has pfo (print for otheres) allow them to print all
2441: # problems and resources in the entier course, optionally for selected students
2442: if ($perm{'pfo'} && !$is_published &&
2443: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2444:
2445: push @{$printChoices}, ['Selected <b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2446: push @{$printChoices}, ['Selected <b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2447: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2448: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2449: <resource variable="RESOURCES" toponly='0' multichoice="1"
2450: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2451: <nextstate>PAGESIZE</nextstate>
2452: <filterfunc>return $isProblemOrMap;</filterfunc>
2453: <choicefunc>return $isNotMap;</choicefunc>
2454: <valuefunc>return $symbFilter;</valuefunc>
2455: $start_new_option
2456: </resource>
2457: </state>
2458: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2459: <resource variable="RESOURCES" toponly='0' multichoice='1'
2460: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2461: <nextstate>PAGESIZE</nextstate>
2462: <filterfunc>return $isNotMap; </filterfunc>
2463: <valuefunc>return $symbFilter;</valuefunc>
2464: $start_new_option
2465: </resource>
2466: </state>
2467: ALL_PROBLEMS
2468:
2469: if ($helper->{VARS}->{'assignment'}) {
2470: 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'];
2471: 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'];
2472: }
2473:
2474: # resource_selector will hold a few states that:
2475: # - Allow resources to be selected for printing.
2476: # - Determine pagination between assignments.
2477: # - Determine how many assignments should be bundled into a single PDF.
2478: # TODO:
2479: # Probably good to do things like separate this up into several vars, each
2480: # with one state, and use REGEXPs at inclusion time to set state names
2481: # and next states for better mix and match capability
2482: #
2483: my $resource_selector=<<RESOURCE_SELECTOR;
2484: <state name="SELECT_PROBLEMS" title="Select resources to print">
2485: <nextstate>PRINT_FORMATTING</nextstate>
2486: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2487: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2488: closeallpages="1">
2489: <filterfunc>return $isProblem;</filterfunc>
2490: <mapurl>$map</mapurl>
2491: <valuefunc>return $symbFilter;</valuefunc>
2492: $start_new_option
2493: </resource>
2494: </state>
2495: <state name="PRINT_FORMATTING" title="How should results be printed?">
2496: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2497: <choices variable="EMPTY_PAGES">
2498: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2499: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2500: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2501: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2502: </choices>
2503: <nextstate>PAGESIZE</nextstate>
2504: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2505: <choices variable="SPLIT_PDFS">
2506: <choice computer="all">All assignments in a single PDF file</choice>
2507: <choice computer="sections">Each PDF contains exactly one section</choice>
2508: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2509: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2510: Specify the number of assignments per PDF:</choice>
2511: </choices>
2512: </state>
2513: RESOURCE_SELECTOR
2514:
2515: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2516: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2517: <message><b>Select sorting order of printout</b> </message>
2518: <choices variable='student_sort'>
2519: <choice computer='0'>Sort by section then student</choice>
2520: <choice computer='1'>Sort by students across sections.</choice>
2521: </choices>
2522: <message><br /><hr /><br /> </message>
2523: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
2524: </state>
2525: $resource_selector
2526: CHOOSE_STUDENTS
2527:
2528: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2529: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2530: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2531: my $namechoice='<choice></choice>';
2532: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2533: if ($name =~ /^error: 2 /) { next; }
2534: if ($name =~ /^type\0/) { next; }
2535: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2536: }
2537:
2538:
2539: my %code_values;
2540: my %codes_to_print;
2541: foreach my $key (@names) {
2542: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2543: foreach my $key (keys(%code_values)) {
2544: $codes_to_print{$key} = 1;
2545: }
2546: }
2547:
2548: my $code_selection;
2549: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
2550: my $choice = $code;
2551: if ($code =~ /^[A-Z]+$/) { # Alpha code
2552: $choice = &letters_to_num($code);
2553: }
2554: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
2555: }
2556: if (%codes_to_print) {
2557: $code_selection .='
2558: <message><b>Choose single CODE from list:</b></message>
2559: <message></td><td></message>
2560: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2561: <choice></choice>
2562: <exec>
2563: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
2564: </exec>
2565: </dropdown>
2566: <message></td></tr><tr><td></message>
2567: '.$/;
2568:
2569: }
2570:
2571:
2572: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2573: my $codechoice='';
2574: foreach my $line (<FH>) {
2575: my ($name,$description,$code_type,$code_length)=
2576: (split(/:/,$line))[0,1,2,4];
2577: if ($code_length > 0 &&
2578: $code_type =~/^(letter|number|-1)/) {
2579: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2580: }
2581: }
2582: if ($codechoice eq '') {
2583: $codechoice='<choice computer="default">Default</choice>';
2584: }
2585: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2586: <state name="CHOOSE_ANON1" title="Specify CODEd Assignments">
2587: <nextstate>SELECT_PROBLEMS</nextstate>
2588: <message><h4>Fill out one of the forms below</h4></message>
2589: <message><br /><hr /> <br /></message>
2590: <message><h3>Generate new CODEd Assignments</h3></message>
2591: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2592: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2593: <validator>
2594: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2595: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2596: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2597: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2598: return "You need to specify the number of assignments to print";
2599: }
2600: return undef;
2601: </validator>
2602: </string>
2603: <message></td></tr><tr><td></message>
2604: <message><b>Names to save the CODEs under for later:</b></message>
2605: <message></td><td></message>
2606: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2607: <message></td></tr><tr><td></message>
2608: <message><b>Bubble sheet type:</b></message>
2609: <message></td><td></message>
2610: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2611: $codechoice
2612: </dropdown>
2613: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
2614: <message></td></tr><tr><td></table></message>
2615: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2616: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2617: <string variable="SINGLE_CODE" size="10">
2618: <validator>
2619: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2620: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2621: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2622: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2623: \$helper->{'VARS'}{'CODE_OPTION'});
2624: } else {
2625: return undef; # Other forces control us.
2626: }
2627: </validator>
2628: </string>
2629: <message></td></tr><tr><td></message>
2630: $code_selection
2631: <message></td></tr></table></message>
2632: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2633: <message><b>Select saved CODEs:</b></message>
2634: <message></td><td></message>
2635: <dropdown variable="REUSE_OLD_CODES">
2636: $namechoice
2637: </dropdown>
2638: <message></td></tr></table></message>
2639: </state>
2640: $resource_selector
2641: CHOOSE_ANON1
2642:
2643:
2644: if ($helper->{VARS}->{'assignment'}) {
2645: 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'];
2646: 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'];
2647: }
2648:
2649:
2650: $resource_selector=<<RESOURCE_SELECTOR;
2651: <state name="SELECT_RESOURCES" title="Select Resources">
2652: <nextstate>PRINT_FORMATTING</nextstate>
2653: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2654: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2655: closeallpages="1">
2656: <filterfunc>return $isNotMap;</filterfunc>
2657: <mapurl>$map</mapurl>
2658: <valuefunc>return $symbFilter;</valuefunc>
2659: $start_new_option
2660: </resource>
2661: </state>
2662: <state name="PRINT_FORMATTING" title="Format of the print job">
2663: <nextstate>NUMBER_PER_PDF</nextstate>
2664: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2665: <choices variable="EMPTY_PAGES">
2666: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2667: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2668: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2669: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2670: </choices>
2671: <nextstate>PAGESIZE</nextstate>
2672: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2673: <choices variable="SPLIT_PDFS">
2674: <choice computer="all">All assignments in a single PDF file</choice>
2675: <choice computer="sections">Each PDF contains exactly one section</choice>
2676: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2677: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2678: Specify the number of assignments per PDF:</choice>
2679: </choices>
2680: </state>
2681: RESOURCE_SELECTOR
2682:
2683: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2684: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2685: <choices variable='student_sort'>
2686: <choice computer='0'>Sort by section then student</choice>
2687: <choice computer='1'>Sort by students across sections.</choice>
2688: </choices>
2689: <message><br /><hr /><br /></message>
2690: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
2691:
2692: </state>
2693: $resource_selector
2694: CHOOSE_STUDENTS1
2695:
2696: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2697: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
2698: <nextstate>SELECT_RESOURCES</nextstate>
2699: <message><h4>Fill out one of the forms below</h4></message>
2700: <message><br /><hr /> <br /></message>
2701: <message><h3>Generate new CODEd Assignments</h3></message>
2702: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2703: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2704: <validator>
2705: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2706: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2707: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2708: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2709: return "You need to specify the number of assignments to print";
2710: }
2711: return undef;
2712: </validator>
2713: </string>
2714: <message></td></tr><tr><td></message>
2715: <message><b>Names to save the CODEs under for later:</b></message>
2716: <message></td><td></message>
2717: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2718: <message></td></tr><tr><td></message>
2719: <message><b>Bubble sheet type:</b></message>
2720: <message></td><td></message>
2721: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2722: $codechoice
2723: </dropdown>
2724: <message></td></tr><tr><td></table></message>
2725: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2726: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2727: <string variable="SINGLE_CODE" size="10">
2728: <validator>
2729: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2730: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2731: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2732: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2733: \$helper->{'VARS'}{'CODE_OPTION'});
2734: } else {
2735: return undef; # Other forces control us.
2736: }
2737: </validator>
2738: </string>
2739: <message></td></tr><tr><td></message>
2740: $code_selection
2741: <message></td></tr></table></message>
2742: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2743: <message><b>Select saved CODEs:</b></message>
2744: <message></td><td></message>
2745: <dropdown variable="REUSE_OLD_CODES">
2746: $namechoice
2747: </dropdown>
2748: <message></td></tr></table></message>
2749: </state>
2750: $resource_selector
2751: CHOOSE_ANON2
2752: }
2753:
2754: # FIXME: That RE should come from a library somewhere.
2755: if (($perm{'pav'}
2756: && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
2757: && (defined($helper->{'VARS'}->{'construction'})
2758: ||
2759: (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
2760: &&
2761: $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
2762: ))
2763: && $helper->{VARS}->{'assignment'} eq ""
2764: ) {
2765:
2766: my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
2767: push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$pretty_dir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2768: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2769: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
2770:
2771: <files variable="FILES" multichoice='1'>
2772: <nextstate>PAGESIZE</nextstate>
2773: <filechoice>return '$subdir';</filechoice>
2774: CHOOSE_FROM_SUBDIR
2775:
2776: # this is broken up because I really want interpolation above,
2777: # and I really DON'T want it below
2778: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2779: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2780: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2781: </filefilter>
2782: </files>
2783: </state>
2784: CHOOSE_FROM_SUBDIR
2785: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2786: }
2787:
2788: # Allow the user to select any sequence in the course, feed it to
2789: # another resource selector for that sequence
2790: if (!$helper->{VARS}->{'construction'} && !$is_published) {
2791: push @$printChoices, ["Selected <b>Resources</b> from <b>selected folder</b> in course",
2792: 'select_sequences', 'CHOOSE_SEQUENCE'];
2793: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2794: #Escape apostrophes and backslashes for Perl
2795: $escapedSequenceName =~ s/\\/\\\\/g;
2796: $escapedSequenceName =~ s/'/\\'/g;
2797: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2798: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2799: <message>Select the sequence to print resources from:</message>
2800: <resource variable="SEQUENCE">
2801: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2802: <filterfunc>return \$res->is_sequence;</filterfunc>
2803: <valuefunc>return $urlValue;</valuefunc>
2804: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2805: </choicefunc>
2806: </resource>
2807: </state>
2808: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2809: <message>(mark desired resources then click "next" button) <br /></message>
2810: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2811: closeallpages="1">
2812: <nextstate>PAGESIZE</nextstate>
2813: <filterfunc>return $isNotMap</filterfunc>
2814: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2815: <valuefunc>return $symbFilter;</valuefunc>
2816: $start_new_option
2817: </resource>
2818: </state>
2819: CHOOSE_FROM_ANY_SEQUENCE
2820: }
2821:
2822: # Generate the first state, to select which resources get printed.
2823: Apache::lonhelper::state->new("START", "Select Printing Options:");
2824: $paramHash = Apache::lonhelper::getParamHash();
2825: $paramHash->{MESSAGE_TEXT} = "";
2826: Apache::lonhelper::message->new();
2827: $paramHash = Apache::lonhelper::getParamHash();
2828: $paramHash->{'variable'} = 'PRINT_TYPE';
2829: $paramHash->{CHOICES} = $printChoices;
2830: Apache::lonhelper::choices->new();
2831:
2832: my $startedTable = 0; # have we started an HTML table yet? (need
2833: # to close it later)
2834:
2835: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2836: ($helper->{VARS}->{'construction'} eq '1')) {
2837: addMessage("<hr width='33%' /><table><tr><td align='right'>".
2838: '<label for="ANSWER_TYPE_forminput">'.
2839: &mt('Print').
2840: "</label>: </td><td>");
2841: $paramHash = Apache::lonhelper::getParamHash();
2842: $paramHash->{'variable'} = 'ANSWER_TYPE';
2843: $helper->declareVar('ANSWER_TYPE');
2844: $paramHash->{CHOICES} = [
2845: ['Without Answers', 'yes'],
2846: ['With Answers', 'no'],
2847: ['Only Answers', 'only']
2848: ];
2849: Apache::lonhelper::dropdown->new();
2850: addMessage("</td></tr>");
2851: $startedTable = 1;
2852: }
2853:
2854: if ($perm{'pav'}) {
2855: if (!$startedTable) {
2856: addMessage("<hr width='33%' /><table><tr><td align='right'>".
2857: '<label for="LATEX_TYPE_forminput">'.
2858: &mt('LaTeX mode').
2859: "</label>: </td><td>");
2860: $startedTable = 1;
2861: } else {
2862: addMessage("<tr><td align='right'>".
2863: '<label for="LATEX_TYPE_forminput">'.
2864: &mt('LaTeX mode').
2865: "</label>: </td><td>");
2866: }
2867: $paramHash = Apache::lonhelper::getParamHash();
2868: $paramHash->{'variable'} = 'LATEX_TYPE';
2869: $helper->declareVar('LATEX_TYPE');
2870: if ($helper->{VARS}->{'construction'} eq '1') {
2871: $paramHash->{CHOICES} = [
2872: ['standard LaTeX mode', 'standard'],
2873: ['LaTeX batchmode', 'batchmode'], ];
2874: } else {
2875: $paramHash->{CHOICES} = [
2876: ['LaTeX batchmode', 'batchmode'],
2877: ['standard LaTeX mode', 'standard'] ];
2878: }
2879: Apache::lonhelper::dropdown->new();
2880:
2881: addMessage("</td></tr><tr><td align='right'>".
2882: '<label="TABLE_CONTENTS_forminput">'.
2883: &mt('Print Table of Contents').
2884: "</label>: </td><td>");
2885: $paramHash = Apache::lonhelper::getParamHash();
2886: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2887: $helper->declareVar('TABLE_CONTENTS');
2888: $paramHash->{CHOICES} = [
2889: ['No', 'no'],
2890: ['Yes', 'yes'] ];
2891: Apache::lonhelper::dropdown->new();
2892: addMessage("</td></tr>");
2893:
2894: if (not $helper->{VARS}->{'construction'}) {
2895: addMessage("<tr><td align='right'>".
2896: '<label for="TABLE_INDEX_forminput">'.
2897: &mt('Print Index').
2898: "</label>: </td><td>");
2899: $paramHash = Apache::lonhelper::getParamHash();
2900: $paramHash->{'variable'} = 'TABLE_INDEX';
2901: $helper->declareVar('TABLE_INDEX');
2902: $paramHash->{CHOICES} = [
2903: ['No', 'no'],
2904: ['Yes', 'yes'] ];
2905: Apache::lonhelper::dropdown->new();
2906: addMessage("</td></tr>");
2907: addMessage("<tr><td align='right'>".
2908: '<label for="PRINT_DISCUSSIONS_forminput">'.
2909: &mt('Print Discussions').
2910: "</label>: </td><td>");
2911: $paramHash = Apache::lonhelper::getParamHash();
2912: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2913: $helper->declareVar('PRINT_DISCUSSIONS');
2914: $paramHash->{CHOICES} = [
2915: ['No', 'no'],
2916: ['Yes', 'yes'] ];
2917: Apache::lonhelper::dropdown->new();
2918: addMessage("</td></tr>");
2919:
2920: addMessage("<tr><td align = 'right'> </td><td>");
2921: $paramHash = Apache::lonhelper::getParamHash();
2922: $paramHash->{'multichoice'} = "true";
2923: $paramHash->{'allowempty'} = "true";
2924: $paramHash->{'variable'} = "showallfoils";
2925: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2926: Apache::lonhelper::choices->new();
2927: addMessage("</td></tr>");
2928: }
2929:
2930: if ($helper->{'VARS'}->{'construction'}) {
2931: my $stylevalue=$env{'construct.style'};
2932: my $randseedtext=&mt("Use random seed");
2933: my $stylefiletext=&mt("Use style file");
2934:
2935: my $xmlfrag .= <<"RNDSEED";
2936: <message><tr><td align='right'>
2937: <label for="curseed_forminput">$randseedtext</label>:
2938: </td><td></message>
2939: <string variable="curseed" size="15" maxlength="15">
2940: <defaultvalue>
2941: return $helper->{VARS}->{'curseed'};
2942: </defaultvalue>
2943: </string>
2944: <message></td></tr><tr><td align="right">
2945: <label for="style_file_value">$stylefiletext</label>:
2946: </td><td></message>
2947: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
2948: <choices allowempty="1" multichoice="true" variable="showallfoils">
2949: <choice computer="1">Show all foils?</choice>
2950: </choices>
2951: <message></td></tr></message>
2952: RNDSEED
2953: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2954: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2955:
2956: }
2957: }
2958:
2959:
2960:
2961:
2962: if ($startedTable) {
2963: addMessage("</table>");
2964: }
2965:
2966: Apache::lonprintout::page_format_state->new("FORMAT");
2967:
2968: # Generate the PAGESIZE state which will offer the user the margin
2969: # choices if they select one column
2970: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2971: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2972:
2973:
2974: $helper->process();
2975:
2976:
2977: # MANUAL BAILOUT CONDITION:
2978: # If we're in the "final" state, bailout and return to handler
2979: if ($helper->{STATE} eq 'FINAL') {
2980: return $helper;
2981: }
2982:
2983: $r->print($helper->display());
2984: if ($helper->{STATE} eq 'START') {
2985: &recently_generated($r);
2986: }
2987: &Apache::lonhelper::unregisterHelperTags();
2988:
2989: return OK;
2990: }
2991:
2992:
2993: 1;
2994:
2995: package Apache::lonprintout::page_format_state;
2996:
2997: =pod
2998:
2999: =head1 Helper element: page_format_state
3000:
3001: See lonhelper.pm documentation for discussion of the helper framework.
3002:
3003: Apache::lonprintout::page_format_state is an element that gives the
3004: user an opportunity to select the page layout they wish to print
3005: with: Number of columns, portrait/landscape, and paper size. If you
3006: want to change the paper size choices, change the @paperSize array
3007: contents in this package.
3008:
3009: page_format_state is always directly invoked in lonprintout.pm, so there
3010: is no tag interface. You actually pass parameters to the constructor.
3011:
3012: =over 4
3013:
3014: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
3015:
3016: =back
3017:
3018: =cut
3019:
3020: use Apache::lonhelper;
3021:
3022: no strict;
3023: @ISA = ("Apache::lonhelper::element");
3024: use strict;
3025: use Apache::lonlocal;
3026: use Apache::lonnet;
3027:
3028: my $maxColumns = 2;
3029: # it'd be nice if these all worked
3030: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
3031: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
3032: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
3033: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
3034: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
3035: "a4 [210x297 mm]");
3036:
3037: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
3038: # Paper type
3039:
3040: sub new {
3041: my $self = Apache::lonhelper::element->new();
3042:
3043: shift;
3044:
3045: $self->{'variable'} = shift;
3046: my $helper = Apache::lonhelper::getHelper();
3047: $helper->declareVar($self->{'variable'});
3048: bless($self);
3049: return $self;
3050: }
3051:
3052: sub render {
3053: my $self = shift;
3054: my $helper = Apache::lonhelper::getHelper();
3055: my $result = '';
3056: my $var = $self->{'variable'};
3057: my $PageLayout=&mt('Page layout');
3058: my $NumberOfColumns=&mt('Number of columns');
3059: my $PaperType=&mt('Paper type');
3060: $result .= <<STATEHTML;
3061:
3062: <hr width="33%" />
3063: <table cellpadding="3">
3064: <tr>
3065: <td align="center"><b>$PageLayout</b></td>
3066: <td align="center"><b>$NumberOfColumns</b></td>
3067: <td align="center"><b>$PaperType</b></td>
3068: </tr>
3069: <tr>
3070: <td>
3071: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
3072: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
3073: </td>
3074: <td align="center">
3075: <select name="${var}.cols">
3076: STATEHTML
3077:
3078: my $i;
3079: for ($i = 1; $i <= $maxColumns; $i++) {
3080: if ($i == 2) {
3081: $result .= "<option value='$i' selected>$i</option>\n";
3082: } else {
3083: $result .= "<option value='$i'>$i</option>\n";
3084: }
3085: }
3086:
3087: $result .= "</select></td><td>\n";
3088: $result .= "<select name='${var}.paper'>\n";
3089:
3090: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
3091: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
3092: $DefaultPaperSize=~s/\s//g;
3093: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
3094: $i = 0;
3095: foreach (@paperSize) {
3096: $_=~/(\w+)/;
3097: my $papersize=$1;
3098: if ($paperSize[$i]=~/$DefaultPaperSize/) {
3099: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
3100: } else {
3101: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
3102: }
3103: $i++;
3104: }
3105: $result .= "</select></td></tr></table>";
3106: return $result;
3107: }
3108:
3109: sub postprocess {
3110: my $self = shift;
3111:
3112: my $var = $self->{'variable'};
3113: my $helper = Apache::lonhelper->getHelper();
3114: $helper->{VARS}->{$var} =
3115: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
3116: $env{"form.$var.paper"};
3117: return 1;
3118: }
3119:
3120: 1;
3121:
3122: package Apache::lonprintout::page_size_state;
3123:
3124: =pod
3125:
3126: =head1 Helper element: page_size_state
3127:
3128: See lonhelper.pm documentation for discussion of the helper framework.
3129:
3130: Apache::lonprintout::page_size_state is an element that gives the
3131: user the opportunity to further refine the page settings if they
3132: select a single-column page.
3133:
3134: page_size_state is always directly invoked in lonprintout.pm, so there
3135: is no tag interface. You actually pass parameters to the constructor.
3136:
3137: =over 4
3138:
3139: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
3140:
3141: =back
3142:
3143: =cut
3144:
3145: use Apache::lonhelper;
3146: use Apache::lonnet;
3147: no strict;
3148: @ISA = ("Apache::lonhelper::element");
3149: use strict;
3150:
3151:
3152:
3153: sub new {
3154: my $self = Apache::lonhelper::element->new();
3155:
3156: shift; # disturbs me (probably prevents subclassing) but works (drops
3157: # package descriptor)... - Jeremy
3158:
3159: $self->{'variable'} = shift;
3160: my $helper = Apache::lonhelper::getHelper();
3161: $helper->declareVar($self->{'variable'});
3162:
3163: # The variable name of the format element, so we can look into
3164: # $helper->{VARS} to figure out whether the columns are one or two
3165: $self->{'formatvar'} = shift;
3166:
3167:
3168: $self->{NEXTSTATE} = shift;
3169: bless($self);
3170:
3171: return $self;
3172: }
3173:
3174: sub render {
3175: my $self = shift;
3176: my $helper = Apache::lonhelper::getHelper();
3177: my $result = '';
3178: my $var = $self->{'variable'};
3179:
3180:
3181:
3182: if (defined $self->{ERROR_MSG}) {
3183: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
3184: }
3185:
3186: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3187:
3188: # Use format to get sensible defaults for the margins:
3189:
3190:
3191: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3192: ($papersize) = split(/ /, $papersize);
3193:
3194:
3195: if ($laystyle eq 'L') {
3196: $laystyle = 'album';
3197: } else {
3198: $laystyle = 'book';
3199: }
3200:
3201:
3202: my %size;
3203: ($size{'width_and_units'},
3204: $size{'height_and_units'},
3205: $size{'margin_and_units'})=
3206: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3207:
3208: foreach my $dimension ('width','height','margin') {
3209: ($size{$dimension},$size{$dimension.'_unit'}) =
3210: split(/ +/, $size{$dimension.'_and_units'},2);
3211:
3212: foreach my $unit ('cm','in') {
3213: $size{$dimension.'_options'} .= '<option ';
3214: if ($size{$dimension.'_unit'} eq $unit) {
3215: $size{$dimension.'_options'} .= 'selected="selected" ';
3216: }
3217: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
3218: }
3219: }
3220:
3221: # Adjust margin for LaTeX margin: .. requires units == cm or in.
3222:
3223: if ($size{'margin_unit'} eq 'in') {
3224: $size{'margin'} += 1;
3225: } else {
3226: $size{'margin'} += 2.54;
3227: }
3228: $result .= <<ELEMENTHTML;
3229:
3230:
3231:
3232: <p>How should each column be formatted?</p>
3233:
3234: <table cellpadding='3'>
3235: <tr>
3236: <td align='right'><b>Width</b>:</td>
3237: <td align='left'><input type='text' name='$var.width' value="$size{'width'}" size='4' /></td>
3238: <td align='left'>
3239: <select name='$var.widthunit'>
3240: $size{'width_options'}
3241: </select>
3242: </td>
3243: </tr>
3244: <tr>
3245: <td align='right'><b>Height</b>:</td>
3246: <td align='left'><input type='text' name="$var.height" value="$size{'height'}" size='4' /></td>
3247: <td align='left'>
3248: <select name='$var.heightunit'>
3249: $size{'height_options'}
3250: </select>
3251: </td>
3252: </tr>
3253: <tr>
3254: <td align='right'><b>Left margin</b>:</td>
3255: <td align='left'><input type='text' name='$var.lmargin' value="$size{'margin'}" size='4' /></td>
3256: <td align='left'>
3257: <select name='$var.lmarginunit'>
3258: $size{'margin_options'}
3259: </select>
3260: </td>
3261: </tr>
3262: </table>
3263:
3264: <!--<p>Hint: Some instructors like to leave scratch space for the student by
3265: making the width much smaller than the width of the page.</p>-->
3266:
3267: ELEMENTHTML
3268:
3269: return $result;
3270: }
3271:
3272:
3273: sub preprocess {
3274: my $self = shift;
3275: my $helper = Apache::lonhelper::getHelper();
3276:
3277: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3278:
3279: # If the user does not have 'pav' privilege, set default widths and
3280: # on to the next state right away.
3281: #
3282: if (!$perm{'pav'}) {
3283: my $var = $self->{'variable'};
3284: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3285:
3286: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3287: ($papersize) = split(/ /, $papersize);
3288:
3289:
3290: if ($laystyle eq 'L') {
3291: $laystyle = 'album';
3292: } else {
3293: $laystyle = 'book';
3294: }
3295: # Figure out some good defaults for the print out and set them:
3296:
3297: my %size;
3298: ($size{'width'},
3299: $size{'height'},
3300: $size{'lmargin'})=
3301: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3302:
3303: foreach my $dim ('width', 'height', 'lmargin') {
3304: my ($value, $units) = split(/ /, $size{$dim});
3305:
3306: $helper->{VARS}->{"$var.".$dim} = $value;
3307: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
3308:
3309: }
3310:
3311:
3312: # Transition to the next state
3313:
3314: $helper->changeState($self->{NEXTSTATE});
3315: }
3316:
3317: return 1;
3318: }
3319:
3320: sub postprocess {
3321: my $self = shift;
3322:
3323: my $var = $self->{'variable'};
3324: my $helper = Apache::lonhelper->getHelper();
3325: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
3326: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
3327: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
3328: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
3329: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
3330: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
3331:
3332: my $error = '';
3333:
3334: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
3335: # by an optional period, followed by digits, ending the string
3336:
3337: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3338: $error .= "Invalid width; please type only a number.<br />\n";
3339: }
3340: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3341: $error .= "Invalid height; please type only a number.<br />\n";
3342: }
3343: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3344: $error .= "Invalid left margin; please type only a number.<br />\n";
3345: } else {
3346: # Adjust for LaTeX 1.0 inch margin:
3347:
3348: if ($env{"form.${var}.lmarginunit"} eq "in") {
3349: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
3350: } else {
3351: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
3352: }
3353: }
3354:
3355: if (!$error) {
3356: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
3357: return 1;
3358: } else {
3359: $self->{ERROR_MSG} = $error;
3360: return 0;
3361: }
3362: }
3363:
3364:
3365:
3366: __END__
3367:
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