1: #
2: # The LearningOnline Network
3: # Printout
4: #
5: # $Id: lonprintout.pm,v 1.476 2006/08/03 02:36:56 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: #
27: # http://www.lon-capa.org/
28: #
29: #
30: package Apache::lonprintout;
31:
32: use strict;
33: use Apache::Constants qw(:common :http);
34: use Apache::lonxml;
35: use Apache::lonnet;
36: use Apache::loncommon;
37: use Apache::inputtags;
38: use Apache::grades;
39: use Apache::edit;
40: use Apache::File();
41: use Apache::lonnavmaps;
42: use Apache::lonratedt;
43: use POSIX qw(strftime);
44: use Apache::lonlocal;
45: use Carp;
46: use lib '/home/httpd/lib/perl/';
47: use LONCAPA;
48:
49: my %perm;
50: my %parmhash;
51: my $resources_printed;
52:
53:
54: # Format a header according to a format.
55: #
56:
57: # Substitutions:
58: # %a - Assignment name.
59: # %c - Course name.
60: # %n - Student name.
61: #
62: sub format_page_header {
63: my ($format, $assignment, $course, $student) = @_;
64:
65: # Default format?
66:
67: if ($format eq '') {
68: $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
69:
70: } else {
71: $format =~ s/%a/$assignment/g;
72: $format =~ s/%c/$course/g;
73: $format =~ s/%n/$student/g;
74: }
75:
76:
77: return $format;
78:
79: }
80:
81: #
82: # Convert a numeric code to letters
83: #
84: sub num_to_letters {
85: my ($num) = @_;
86: my @nums= split('',$num);
87: my @num_to_let=('A'..'Z');
88: my $word;
89: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
90: return $word;
91: }
92: # Convert a letter code to numeric.
93: #
94: sub letters_to_num {
95: my ($letters) = @_;
96: my @letters = split('', uc($letters));
97: my %substitution;
98: my $digit = 0;
99: foreach my $letter ('A'..'J') {
100: $substitution{$letter} = $digit;
101: $digit++;
102: }
103: # The substitution is done as below to preserve leading
104: # zeroes which are needed to keep the code size exact
105: #
106: my $result ="";
107: foreach my $letter (@letters) {
108: $result.=$substitution{$letter};
109: }
110: return $result;
111: }
112:
113: # Determine if a code is a valid numeric code. Valid
114: # numeric codes must be comprised entirely of digits and
115: # have a correct number of digits.
116: #
117: # Parameters:
118: # value - proposed code value.
119: # num_digits - Number of digits required.
120: #
121: sub is_valid_numeric_code {
122: my ($value, $num_digits) = @_;
123: # Remove leading/trailing whitespace;
124: $value =~ s/^\s*//g;
125: $value =~ s/\s*$//g;
126:
127: # All digits?
128: if ($value !~ /^[0-9]+$/) {
129: return "Numeric code $value has invalid characters - must only be digits";
130: }
131: if (length($value) != $num_digits) {
132: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
133: }
134: return undef;
135: }
136: # Determines if a code is a valid alhpa code. Alpha codes
137: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
138: # They also have a correct digit count.
139: # Parameters:
140: # value - Proposed code value.
141: # num_letters - correct number of letters.
142: # Note:
143: # leading and trailing whitespace are ignored.
144: #
145: sub is_valid_alpha_code {
146: my ($value, $num_letters) = @_;
147:
148: # strip leading and trailing spaces.
149:
150: $value =~ s/^\s*//g;
151: $value =~ s/\s*$//g;
152:
153: # All alphas in the right range?
154: if ($value !~ /^[A-J,a-j]+$/) {
155: return "Invalid letter code $value must only contain A-J";
156: }
157: if (length($value) != $num_letters) {
158: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
159: }
160: return undef;
161: }
162:
163: # Determine if a code entered by the user in a helper is valid.
164: # valid depends on the code type and the type of code selected.
165: # The type of code selected can either be numeric or
166: # Alphabetic. If alphabetic, the code, in fact is a simple
167: # substitution cipher for the actual numeric code: 0->A, 1->B ...
168: # We'll be nice and be case insensitive for alpha codes.
169: # Parameters:
170: # code_value - the value of the code the user typed in.
171: # code_option - The code type selected from the set in the scantron format
172: # table.
173: # Returns:
174: # undef - The code is valid.
175: # other - An error message indicating what's wrong.
176: #
177: sub is_code_valid {
178: my ($code_value, $code_option) = @_;
179: my ($code_type, $code_length) = ('letter', 6); # defaults.
180: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
181: foreach my $line (<FG>) {
182: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
183: if($name eq $code_option) {
184: $code_length = $length;
185: if($type eq 'number') {
186: $code_type = 'number';
187: }
188: }
189: }
190: my $valid;
191: if ($code_type eq 'number') {
192: return &is_valid_numeric_code($code_value, $code_length);
193: } else {
194: return &is_valid_alpha_code($code_value, $code_length);
195: }
196:
197: }
198:
199: # Compare two students by name. The students are in the form
200: # returned by the helper:
201: # user:domain:section:last, first:status
202: # This is a helper function for the perl sort built-in therefore:
203: # Implicit Inputs:
204: # $a - The first element to compare (global)
205: # $b - The second element to compare (global)
206: # Returns:
207: # -1 - $a < $b
208: # 0 - $a == $b
209: # +1 - $a > $b
210: # Note that the initial comparison is done on the last names with the
211: # first names only used to break the tie.
212: #
213: #
214: sub compare_names {
215: # First split the names up into the primary fields.
216:
217: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
218: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
219:
220: # Now split the last name and first name of each n:
221: #
222:
223: my ($l1,$f1) = split(/,/, $n1);
224: my ($l2,$f2) = split(/,/, $n2);
225:
226: # We don't bother to remove the leading/trailing whitespace from the
227: # firstname, unless the last names compare identical.
228:
229: if($l1 lt $l2) {
230: return -1;
231: }
232: if($l1 gt $l2) {
233: return 1;
234: }
235:
236: # Break the tie on the first name, but there are leading (possibly trailing
237: # whitespaces to get rid of first
238: #
239: $f1 =~ s/^\s+//; # Remove leading...
240: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
241:
242: $f2 =~ s/^\s+//;
243: $f2 =~ s/\s+$//; # And the same for first 2...
244:
245: if($f1 lt $f2) {
246: return -1;
247: }
248: if($f1 gt $f2) {
249: return 1;
250: }
251:
252: # Must be the same name.
253:
254: return 0;
255: }
256:
257: sub latex_header_footer_remove {
258: my $text = shift;
259: $text =~ s/\\end{document}//;
260: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
261: return $text;
262: }
263: #
264: # If necessary, encapsulate text inside
265: # a minipage env.
266: # necessity is determined by the problem_split param.
267: #
268: sub encapsulate_minipage {
269: my ($text) = @_;
270: if (!($env{'form.problem.split'} =~ /yes/i)) {
271: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
272: }
273: return $text;
274: }
275: #
276: # The NUMBER_TO_PRINT and SPLIT_PDFS
277: # variables interact, this sub looks at these two parameters
278: # and comes up with a final value for NUMBER_TO_PRINT which can be:
279: # all - if SPLIT_PDFS eq 'all'.
280: # 1 - if SPLIT_PDFS eq 'oneper'
281: # section - if SPLIT_PDFS eq 'sections'
282: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
283: #
284: sub adjust_number_to_print {
285: my $helper = shift;
286:
287: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
288:
289: if ($split_pdf eq 'all') {
290: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
291: } elsif ($split_pdf eq 'oneper') {
292: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
293: } elsif ($split_pdf eq 'sections') {
294: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
295: } elsif ($split_pdf eq 'usenumber') {
296: # Unmodified.
297: } else {
298: # Error!!!!
299:
300: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
301: }
302: }
303:
304: sub character_chart {
305: my $result = shift;
306: $result =~ s/&\#0?0?(7|9);//g;
307: $result =~ s/&\#0?(10|13);//g;
308: $result =~ s/&\#0?32;/ /g;
309: $result =~ s/&\#0?33;/!/g;
310: $result =~ s/&(\#0?34|quot);/\"/g;
311: $result =~ s/&\#0?35;/\\\#/g;
312: $result =~ s/&\#0?36;/\\\$/g;
313: $result =~ s/&\#0?37;/\\%/g;
314: $result =~ s/&(\#0?38|amp);/\\&/g;
315: $result =~ s/&\#(0?39|146);/\'/g;
316: $result =~ s/&\#0?40;/(/g;
317: $result =~ s/&\#0?41;/)/g;
318: $result =~ s/&\#0?42;/\*/g;
319: $result =~ s/&\#0?43;/\+/g;
320: $result =~ s/&\#(0?44|130);/,/g;
321: $result =~ s/&\#0?45;/-/g;
322: $result =~ s/&\#0?46;/\./g;
323: $result =~ s/&\#0?47;/\//g;
324: $result =~ s/&\#0?48;/0/g;
325: $result =~ s/&\#0?49;/1/g;
326: $result =~ s/&\#0?50;/2/g;
327: $result =~ s/&\#0?51;/3/g;
328: $result =~ s/&\#0?52;/4/g;
329: $result =~ s/&\#0?53;/5/g;
330: $result =~ s/&\#0?54;/6/g;
331: $result =~ s/&\#0?55;/7/g;
332: $result =~ s/&\#0?56;/8/g;
333: $result =~ s/&\#0?57;/9/g;
334: $result =~ s/&\#0?58;/:/g;
335: $result =~ s/&\#0?59;/;/g;
336: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
337: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
338: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
339: $result =~ s/&\#0?63;/\?/g;
340: $result =~ s/&\#0?65;/A/g;
341: $result =~ s/&\#0?66;/B/g;
342: $result =~ s/&\#0?67;/C/g;
343: $result =~ s/&\#0?68;/D/g;
344: $result =~ s/&\#0?69;/E/g;
345: $result =~ s/&\#0?70;/F/g;
346: $result =~ s/&\#0?71;/G/g;
347: $result =~ s/&\#0?72;/H/g;
348: $result =~ s/&\#0?73;/I/g;
349: $result =~ s/&\#0?74;/J/g;
350: $result =~ s/&\#0?75;/K/g;
351: $result =~ s/&\#0?76;/L/g;
352: $result =~ s/&\#0?77;/M/g;
353: $result =~ s/&\#0?78;/N/g;
354: $result =~ s/&\#0?79;/O/g;
355: $result =~ s/&\#0?80;/P/g;
356: $result =~ s/&\#0?81;/Q/g;
357: $result =~ s/&\#0?82;/R/g;
358: $result =~ s/&\#0?83;/S/g;
359: $result =~ s/&\#0?84;/T/g;
360: $result =~ s/&\#0?85;/U/g;
361: $result =~ s/&\#0?86;/V/g;
362: $result =~ s/&\#0?87;/W/g;
363: $result =~ s/&\#0?88;/X/g;
364: $result =~ s/&\#0?89;/Y/g;
365: $result =~ s/&\#0?90;/Z/g;
366: $result =~ s/&\#0?91;/[/g;
367: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
368: $result =~ s/&\#0?93;/]/g;
369: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
370: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
371: $result =~ s/&\#(0?96|145);/\`/g;
372: $result =~ s/&\#0?97;/a/g;
373: $result =~ s/&\#0?98;/b/g;
374: $result =~ s/&\#0?99;/c/g;
375: $result =~ s/&\#100;/d/g;
376: $result =~ s/&\#101;/e/g;
377: $result =~ s/&\#102;/f/g;
378: $result =~ s/&\#103;/g/g;
379: $result =~ s/&\#104;/h/g;
380: $result =~ s/&\#105;/i/g;
381: $result =~ s/&\#106;/j/g;
382: $result =~ s/&\#107;/k/g;
383: $result =~ s/&\#108;/l/g;
384: $result =~ s/&\#109;/m/g;
385: $result =~ s/&\#110;/n/g;
386: $result =~ s/&\#111;/o/g;
387: $result =~ s/&\#112;/p/g;
388: $result =~ s/&\#113;/q/g;
389: $result =~ s/&\#114;/r/g;
390: $result =~ s/&\#115;/s/g;
391: $result =~ s/&\#116;/t/g;
392: $result =~ s/&\#117;/u/g;
393: $result =~ s/&\#118;/v/g;
394: $result =~ s/&\#119;/w/g;
395: $result =~ s/&\#120;/x/g;
396: $result =~ s/&\#121;/y/g;
397: $result =~ s/&\#122;/z/g;
398: $result =~ s/&\#123;/\\{/g;
399: $result =~ s/&\#124;/\|/g;
400: $result =~ s/&\#125;/\\}/g;
401: $result =~ s/&\#126;/\~/g;
402: $result =~ s/&\#131;/\\textflorin /g;
403: $result =~ s/&\#132;/\"/g;
404: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
405: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
406: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
407: $result =~ s/&\#137;/\\textperthousand /g;
408: $result =~ s/&\#140;/{\\OE}/g;
409: $result =~ s/&\#147;/\`\`/g;
410: $result =~ s/&\#148;/\'\'/g;
411: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
412: $result =~ s/&\#150;/--/g;
413: $result =~ s/&\#151;/---/g;
414: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
415: $result =~ s/&\#153;/\\texttrademark /g;
416: $result =~ s/&\#156;/\\oe/g;
417: $result =~ s/&\#159;/\\\"Y/g;
418: $result =~ s/&(\#160|nbsp);/~/g;
419: $result =~ s/&(\#161|iexcl);/!\`/g;
420: $result =~ s/&(\#162|cent);/\\textcent /g;
421: $result =~ s/&(\#163|pound);/\\pounds /g;
422: $result =~ s/&(\#164|curren);/\\textcurrency /g;
423: $result =~ s/&(\#165|yen);/\\textyen /g;
424: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
425: $result =~ s/&(\#167|sect);/\\textsection /g;
426: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
427: $result =~ s/&(\#169|copy);/\\copyright /g;
428: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
429: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
430: $result =~ s/&(\#173|shy);/ - /g;
431: $result =~ s/&(\#174|reg);/\\textregistered /g;
432: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
433: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
434: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
435: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
436: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
437: $result =~ s/&(\#180|acute);/\\textacute /g;
438: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
439: $result =~ s/&(\#182|para);/\\P/g;
440: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
441: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
442: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
443: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
444: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
445: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
446: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
447: $result =~ s/&(\#191|iquest);/?\`/g;
448: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
449: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
450: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
451: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
452: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
453: $result =~ s/&(\#197|Aring);/{\\AA}/g;
454: $result =~ s/&(\#198|AElig);/{\\AE}/g;
455: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
456: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
457: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
458: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
459: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
460: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
461: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
462: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
463: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
464: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
465: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
466: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
467: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
468: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
469: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
470: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
471: $result =~ s/&(\#216|Oslash);/{\\O}/g;
472: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
473: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
474: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
475: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
476: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
477: $result =~ s/&(\#223|szlig);/{\\ss}/g;
478: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
479: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
480: $result =~ s/&(\#226|acirc);/\\^{a}/g;
481: $result =~ s/&(\#227|atilde);/\\~{a}/g;
482: $result =~ s/&(\#228|auml);/\\\"{a}/g;
483: $result =~ s/&(\#229|aring);/{\\aa}/g;
484: $result =~ s/&(\#230|aelig);/{\\ae}/g;
485: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
486: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
487: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
488: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
489: $result =~ s/&(\#235|euml);/\\\"{e}/g;
490: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
491: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
492: $result =~ s/&(\#238|icirc);/\\^{i}/g;
493: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
494: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
495: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
496: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
497: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
498: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
499: $result =~ s/&(\#245|otilde);/\\~{o}/g;
500: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
501: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
502: $result =~ s/&(\#248|oslash);/{\\o}/g;
503: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
504: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
505: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
506: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
507: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
508: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
509: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
510: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
511: #Greek Alphabet
512: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
513: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
514: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
515: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
516: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
517: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
518: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
519: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
520: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
521: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
522: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
523: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
524: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
525: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
526: $result =~ s/&(omicron|\#959);/o/g;
527: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
528: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
529: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
530: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
531: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
532: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
533: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
534: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
535: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
536: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
537: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
538: $result =~ s/&(Alpha|\#913);/A/g;
539: $result =~ s/&(Beta|\#914);/B/g;
540: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
541: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
542: $result =~ s/&(Epsilon|\#917);/E/g;
543: $result =~ s/&(Zeta|\#918);/Z/g;
544: $result =~ s/&(Eta|\#919);/H/g;
545: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
546: $result =~ s/&(Iota|\#921);/I/g;
547: $result =~ s/&(Kappa|\#922);/K/g;
548: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
549: $result =~ s/&(Mu|\#924);/M/g;
550: $result =~ s/&(Nu|\#925);/N/g;
551: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
552: $result =~ s/&(Omicron|\#927);/O/g;
553: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
554: $result =~ s/&(Rho|\#929);/P/g;
555: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
556: $result =~ s/&(Tau|\#932);/T/g;
557: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
558: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
559: $result =~ s/&(Chi|\#935);/X/g;
560: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
561: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
562: #Arrows (extended HTML 4.01)
563: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
564: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
565: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
566: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
567: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
568: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
569: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
570: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
571: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
572: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
573: #Mathematical Operators (extended HTML 4.01)
574: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
575: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
576: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
577: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
578: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
579: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
580: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
581: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
582: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
583: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
584: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
585: $result =~ s/–/\\ensuremath\{-\}/g;
586: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
587: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
588: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
589: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
590: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
591: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
592: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
593: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
594: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
595: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
596: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
597: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
598: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
599: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
600: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
601: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
602: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
603: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
604: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
605: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
606: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
607: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
608: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
609: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
610: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
611: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
612: #Geometric Shapes (extended HTML 4.01)
613: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
614: #Miscellaneous Symbols (extended HTML 4.01)
615: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
616: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
617: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
618: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
619: return $result;
620: }
621:
622:
623: #width, height, oddsidemargin, evensidemargin, topmargin
624: my %page_formats=
625: ('letter' => {
626: 'book' => {
627: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
628: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
629: },
630: 'album' => {
631: '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.83 in','1 cm'],
632: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
633: },
634: },
635: 'legal' => {
636: 'book' => {
637: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
638: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
639: },
640: 'album' => {
641: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
642: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
643: },
644: },
645: 'tabloid' => {
646: 'book' => {
647: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
648: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
649: },
650: 'album' => {
651: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
652: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
653: },
654: },
655: 'executive' => {
656: 'book' => {
657: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
658: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
659: },
660: 'album' => {
661: '1' => [],
662: '2' => []
663: },
664: },
665: 'a2' => {
666: 'book' => {
667: '1' => [],
668: '2' => []
669: },
670: 'album' => {
671: '1' => [],
672: '2' => []
673: },
674: },
675: 'a3' => {
676: 'book' => {
677: '1' => [],
678: '2' => []
679: },
680: 'album' => {
681: '1' => [],
682: '2' => []
683: },
684: },
685: 'a4' => {
686: 'book' => {
687: '1' => ['17.6 cm','27.2 cm','-0.55 in','-0.83 in','-0.5 in'],
688: '2' => [ '9.1 cm','27.2 cm','-0.55 in','-0.83 in','-0.5 in']
689: },
690: 'album' => {
691: '1' => ['8.5 in','7.7 in','-0.55 in','-0.83 in','0 in'],
692: '2' => ['3.9 in','7.7 in','-0.55 in','-0.83 in','0 in']
693: },
694: },
695: 'a5' => {
696: 'book' => {
697: '1' => [],
698: '2' => []
699: },
700: 'album' => {
701: '1' => [],
702: '2' => []
703: },
704: },
705: 'a6' => {
706: 'book' => {
707: '1' => [],
708: '2' => []
709: },
710: 'album' => {
711: '1' => [],
712: '2' => []
713: },
714: },
715: );
716:
717: sub page_format {
718: #
719: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
720: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
721: # "A2 [420x594 mm]", "A3 [297x420 mm]",
722: # "A4 [210x297 mm]", "A5 [148x210 mm]",
723: # "A6 [105x148 mm]"
724: #
725: my ($papersize,$layout,$numberofcolumns) = @_;
726: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
727: }
728:
729:
730: sub get_name {
731: my ($uname,$udom)=@_;
732: if (!defined($uname)) { $uname=$env{'user.name'}; }
733: if (!defined($udom)) { $udom=$env{'user.domain'}; }
734: my $plainname=&Apache::loncommon::plainname($uname,$udom);
735: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
736: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
737: return $plainname;
738: }
739:
740: sub get_course {
741: my $courseidinfo;
742: if (defined($env{'request.course.id'})) {
743: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
744: }
745: return $courseidinfo;
746: }
747:
748: sub page_format_transformation {
749: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
750: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
751:
752: if ($selectionmade eq '4') {
753: $assignment='Problems from the Whole Course';
754: } else {
755: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
756: }
757: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
758:
759:
760: my $name = &get_name();
761: my $courseidinfo = &get_course();
762: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
763: my $header_text = $parmhash{'print_header_format'};
764: $header_text = &format_page_header($header_text, $assignment,
765: $courseidinfo, $name);
766: my $topmargintoinsert = '';
767: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
768: my $fancypagestatement='';
769: if ($numberofcolumns eq '2') {
770: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
771: } else {
772: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
773: }
774: if ($layout eq 'album') {
775: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
776: } elsif ($layout eq 'book') {
777: if ($choice ne 'All class print') {
778: $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/;
779: } else {
780: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
781: }
782: if ($papersize eq 'a4') {
783: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
784: }
785: }
786: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
787: if ($indexlist eq 'yes') {
788: $text=~s/(\\begin{document})/\\makeindex $1/;
789: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
790: }
791: return $text;
792: }
793:
794:
795: sub page_cleanup {
796: my $result = shift;
797:
798: $result =~ m/\\end{document}(\d*)$/;
799: my $number_of_columns = $1;
800: my $insert = '{';
801: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
802: $insert .= '}';
803: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
804: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
805: return $result,$number_of_columns;
806: }
807:
808:
809: sub details_for_menu {
810: my ($helper)=@_;
811: my $postdata=$env{'form.postdata'};
812: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
813: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
814: my $symbolic = &Apache::lonnet::symbread($postdata);
815: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
816: $map=&Apache::lonnet::clutter($map);
817: my $name_of_sequence = &Apache::lonnet::gettitle($map);
818: if ($name_of_sequence =~ /^\s*$/) {
819: $map =~ m|([^/]+)$|;
820: $name_of_sequence = $1;
821: }
822: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
823: if ($name_of_map =~ /^\s*$/) {
824: $env{'request.course.uri'} =~ m|([^/]+)$|;
825: $name_of_map = $1;
826: }
827: return ($name_of_resource,$name_of_sequence,$name_of_map);
828: }
829:
830: sub copyright_line {
831: 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 } ';
832: }
833: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
834:
835: sub latex_corrections {
836: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
837: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
838: my $copyright = ©right_line();
839: if ($selectionmade eq '1' || $answer_mode eq 'only') {
840: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
841: } else {
842: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
843: }
844: $result =~ s/\$number_of_columns/$number_of_columns/g;
845: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
846: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
847: #-- LaTeX corrections
848: my $first_comment = index($result,'<!--',0);
849: while ($first_comment != -1) {
850: my $end_comment = index($result,'-->',$first_comment);
851: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
852: $first_comment = index($result,'<!--',$first_comment);
853: }
854: $result =~ s/^\s+$//gm; #remove empty lines
855: #removes more than one empty space
856: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
857: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
858: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
859: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
860: $result =~ s/\\\\\s+\[/ \[/g;
861: #conversion of html characters to LaTeX equivalents
862: if ($result =~ m/&(\w+|#\d+);/) {
863: $result = &character_chart($result);
864: }
865: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
866: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
867: return $result;
868: }
869:
870:
871: sub index_table {
872: my $currentURL = shift;
873: my $insex_string='';
874: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
875: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
876: return $insex_string;
877: }
878:
879:
880: sub IndexCreation {
881: my ($texversion,$currentURL)=@_;
882: my @key_words=split(/,/,&index_table($currentURL));
883: my $chunk='';
884: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
885: if ($st>0) {
886: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
887: $chunk=substr($texversion,0,$st+1);
888: substr($texversion,0,$st+1)=' ';
889: }
890: foreach my $key_word (@key_words) {
891: if ($key_word=~/\S+/) {
892: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
893: }
894: }
895: if ($st>0) {substr($texversion,0,1)=$chunk;}
896: return $texversion;
897: }
898:
899: sub print_latex_header {
900: my $mode=shift;
901: my $output='\documentclass[letterpaper,twoside]{article}\raggedbottom';
902: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
903: $output.='\batchmode';
904: }
905: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
906: '\usepackage{multirow}'."\n".
907: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
908: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
909: '\usepackage{wrapfig}'.
910: '\usepackage{picins}\usepackage{calc}'."\n".
911: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
912: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
913: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
914: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
915: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
916: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
917: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
918: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
919: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
920: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
921: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
922: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
923: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
924: return $output;
925: }
926:
927: sub path_to_problem {
928: my ($urlp,$colwidth)=@_;
929: $urlp=&Apache::lonnet::clutter($urlp);
930:
931: my $newurlp = '';
932: $colwidth=~s/\s*mm\s*$//;
933: #characters average about 2 mm in width
934: if (length($urlp)*2 > $colwidth) {
935: my @elements = split('/',$urlp);
936: my $curlength=0;
937: foreach my $element (@elements) {
938: if ($element eq '') { next; }
939: if ($curlength+(length($element)*2) > $colwidth) {
940: $newurlp .= '|\vskip -1 mm \verb|';
941: $curlength=length($element)*2;
942: } else {
943: $curlength+=length($element)*2;
944: }
945: $newurlp.='/'.$element;
946: }
947: } else {
948: $newurlp=$urlp;
949: }
950: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
951: }
952:
953: sub recalcto_mm {
954: my $textwidth=shift;
955: my $LaTeXwidth;
956: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
957: $LaTeXwidth = $1*10;
958: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
959: $LaTeXwidth = $1;
960: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
961: $LaTeXwidth = $1*25.4;
962: }
963: $LaTeXwidth.=' mm';
964: return $LaTeXwidth;
965: }
966:
967: sub get_textwidth {
968: my ($helper,$LaTeXwidth)=@_;
969: my $textwidth=$LaTeXwidth;
970: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
971: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
972: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
973: $helper->{'VARS'}->{'pagesize.widthunit'});
974: }
975: return $textwidth;
976: }
977:
978:
979: sub unsupported {
980: my ($currentURL,$mode,$symb)=@_;
981: if ($mode ne '') {$mode='\\'.$mode}
982: my $result.= &print_latex_header($mode);
983: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
984: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
985: my $title=&Apache::lonnet::gettitle($symb);
986: $title = &Apache::lonxml::latex_special_symbols($title);
987: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
988: } else {
989: $result.=$currentURL;
990: }
991: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
992: return $result;
993: }
994:
995:
996: #
997: # List of recently generated print files
998: #
999: sub recently_generated {
1000: my $r=shift;
1001: my $prtspool=$r->dir_config('lonPrtDir');
1002: my $zip_result;
1003: my $pdf_result;
1004: opendir(DIR,$prtspool);
1005:
1006: my @files =
1007: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1008: closedir(DIR);
1009:
1010: @files = sort {
1011: my ($actime) = (stat($prtspool.'/'.$a))[10];
1012: my ($bctime) = (stat($prtspool.'/'.$b))[10];
1013: return $bctime <=> $actime;
1014: } (@files);
1015:
1016: foreach my $filename (@files) {
1017: my ($ext) = ($filename =~ m/(pdf|zip)$/);
1018: my ($cdev,$cino,$cmode,$cnlink,
1019: $cuid,$cgid,$crdev,$csize,
1020: $catime,$cmtime,$cctime,
1021: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1022: my $result="<a href='/prtspool/$filename'>".
1023: &mt('Generated [_1] ([_2] bytes)',
1024: &Apache::lonlocal::locallocaltime($cctime),$csize).
1025: '</a><br />';
1026: if ($ext eq 'pdf') { $pdf_result .= $result; }
1027: if ($ext eq 'zip') { $zip_result .= $result; }
1028: }
1029: if ($zip_result) {
1030: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
1031: .$zip_result);
1032: }
1033: if ($pdf_result) {
1034: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
1035: .$pdf_result);
1036: }
1037: }
1038:
1039: #
1040: # Retrieve the hash of page breaks.
1041: #
1042: # Inputs:
1043: # helper - reference to helper object.
1044: # Outputs
1045: # A reference to a page break hash.
1046: #
1047: #
1048: #use Data::Dumper;
1049: #sub dump_helper_vars {
1050: # my ($helper) = @_;
1051: # my $helpervars = Dumper($helper->{'VARS'});
1052: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
1053: #}
1054:
1055: sub get_page_breaks {
1056: my ($helper) = @_;
1057: my %page_breaks;
1058:
1059: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1060: $page_breaks{$break} = 1;
1061: }
1062: return %page_breaks;
1063: }
1064:
1065: # Output a sequence (recursively if neeed)
1066: # from construction space.
1067: # Parameters:
1068: # url = URL of the sequence to print.
1069: # helper - Reference to the helper hash.
1070: # form - Copy of the format hash.
1071: # LaTeXWidth
1072: # Returns:
1073: # Text to add to the printout.
1074: # NOTE if the first element of the outermost sequence
1075: # is itself a sequence, the outermost caller may need to
1076: # prefix the latex with the page headers stuff.
1077: #
1078: sub print_construction_sequence {
1079: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1080: my $result;
1081: my $rndseed=time;
1082: if ($helper->{'VARS'}->{'curseed'}) {
1083: $rndseed=$helper->{'VARS'}->{'curseed'};
1084: }
1085: my $errtext=&Apache::lonratedt::mapread($currentURL);
1086: #
1087: # These make this all support recursing for subsequences.
1088: #
1089: my @order = @Apache::lonratedt::order;
1090: my @resources = @Apache::lonratedt::resources;
1091: for (my $member=0;$member<=$#order;$member++) {
1092: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
1093: my $urlp=$2;
1094: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1095: my $texversion='';
1096: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1097: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1098: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1099: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1100: $form{'rndseed'}=$rndseed;
1101: $resources_printed .=$urlp.':';
1102: $texversion=&Apache::lonnet::ssi($urlp,%form);
1103: }
1104: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1105: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1106: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1107: # Don't permanently modify %$form...
1108: my %answerform = %form;
1109: $answerform{'grade_target'}='answer';
1110: $answerform{'answer_output_mode'}='tex';
1111: $answerform{'rndseed'}=$rndseed;
1112: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1113: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1114: $resources_printed .= $urlp.':';
1115: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1116: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1117: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1118: } else {
1119: # If necessary, encapsulate answer in minipage:
1120:
1121: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1122: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1123: $body.=&path_to_problem($urlp,$LaTeXwidth);
1124: $body.='\vskip 1 mm '.$answer.'\end{document}';
1125: $body = &encapsulate_minipage($body);
1126: $texversion.=$body;
1127: }
1128: }
1129: $texversion = &latex_header_footer_remove($texversion);
1130:
1131: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1132: $texversion=&IndexCreation($texversion,$urlp);
1133: }
1134: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1135: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1136: }
1137: $result.=$texversion;
1138:
1139: } elsif ($urlp=~/\.(sequence|page)$/) {
1140:
1141: # header:
1142:
1143: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1144:
1145: # IF sequence, recurse:
1146:
1147: if ($urlp =~ /\.sequence$/) {
1148: my $sequence_url = $urlp;
1149: my $domain = $env{'user.domain'}; # Constr. space only on local
1150: my $user = $env{'user.name'};
1151:
1152: $sequence_url =~ s/^\/res\/$domain/\/home/;
1153: $sequence_url =~ s/^(\/home\/$user)/$1\/public_html/;
1154: # $sequence_url =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1155: $result .= &print_construction_sequence($sequence_url,
1156: $helper, %form,
1157: $LaTeXwidth);
1158: }
1159: }
1160: }
1161: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1162: return $result;
1163: }
1164:
1165: sub output_data {
1166: my ($r,$helper,$rparmhash) = @_;
1167: my %parmhash = %$rparmhash;
1168: $resources_printed = '';
1169: my $js = <<ENDPART;
1170: <script type="text/javascript">
1171: var editbrowser;
1172: function openbrowser(formname,elementname,only,omit) {
1173: var url = '/res/?';
1174: if (editbrowser == null) {
1175: url += 'launch=1&';
1176: }
1177: url += 'catalogmode=interactive&';
1178: url += 'mode=parmset&';
1179: url += 'form=' + formname + '&';
1180: if (only != null) {
1181: url += 'only=' + only + '&';
1182: }
1183: if (omit != null) {
1184: url += 'omit=' + omit + '&';
1185: }
1186: url += 'element=' + elementname + '';
1187: var title = 'Browser';
1188: var options = 'scrollbars=1,resizable=1,menubar=0';
1189: options += ',width=700,height=600';
1190: editbrowser = open(url,title,options,'1');
1191: editbrowser.focus();
1192: }
1193: </script>
1194: ENDPART
1195:
1196: my $start_page = &Apache::loncommon::start_page('Preparing Printout',$js);
1197: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1198:
1199: $r->print($start_page."\n<p>\n$msg\n</p>\n");
1200:
1201: # fetch the pagebreaks and store them in the course environment
1202: # The page breaks will be pulled into the hash %page_breaks which is
1203: # indexed by symb and contains 1's for each break.
1204:
1205: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1206: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1207: &Apache::loncommon::store_course_settings('print',
1208: {'pagebreaks' => 'scalar',
1209: 'lastprinttype' => 'scalar'});
1210:
1211: my %page_breaks = &get_page_breaks($helper);
1212:
1213: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1214: my ($result,$selectionmade) = ('','');
1215: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1216: my @temporary_array=split /\|/,$format_from_helper;
1217: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1218: if ($laystyle eq 'L') {
1219: $laystyle='album';
1220: } else {
1221: $laystyle='book';
1222: }
1223: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1224: my $assignment = $env{'form.assignment'};
1225: my $LaTeXwidth=&recalcto_mm($textwidth);
1226: my @print_array=();
1227: my @student_names=();
1228:
1229: # Common settings for the %form has:
1230: # In some cases these settings get overriddent by specific cases, but the
1231: # settings are common enough to make it worthwhile factoring them out
1232: # here.
1233: #
1234: my %form;
1235: $form{'grade_target'} = 'tex';
1236: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1237:
1238: # If form.showallfoils is set, then request all foils be shown:
1239: # privilege will be enforced both by not allowing the
1240: # check box selecting this option to be presnt unless it's ok,
1241: # and by lonresponse's priv. check.
1242: # The if is here because lonresponse.pm only cares that
1243: # showallfoils is defined, not what the value is.
1244:
1245: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1246: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1247: }
1248:
1249: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1250: #-- single document - problem, page, html, xml, ...
1251: my ($currentURL,$cleanURL);
1252:
1253: if ($helper->{'VARS'}->{'construction'} ne '1') {
1254: #prints published resource
1255: $currentURL=$helper->{'VARS'}->{'postdata'};
1256: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1257: } else {
1258: #prints resource from the construction space
1259: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1260: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1261: $cleanURL=$currentURL;
1262: }
1263: $selectionmade = 1;
1264: if ($cleanURL!~m|^/adm/|
1265: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1266: my $rndseed=time;
1267: my $texversion='';
1268: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1269: my %moreenv;
1270: $moreenv{'request.filename'}=$cleanURL;
1271: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1272: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1273: my $dom = $env{'user.domain'};
1274: my $user = $env{'user.name'};
1275: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1276: }
1277: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1278: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1279: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1280: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1281: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1282: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1283: if ($helper->{'VARS'}->{'curseed'}) {
1284: $rndseed=$helper->{'VARS'}->{'curseed'};
1285: }
1286: $form{'rndseed'}=$rndseed;
1287: &Apache::lonnet::appenv(%moreenv);
1288:
1289: &Apache::lonxml::clear_problem_counter();
1290:
1291: $resources_printed .= $currentURL.':';
1292: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1293:
1294: &Apache::lonxml::clear_problem_counter();
1295:
1296: &Apache::lonnet::delenv('request.filename');
1297: }
1298: # current document with answers.. no need to encap in minipage
1299: # since there's only one answer.
1300:
1301: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1302: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1303: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1304: $form{'grade_target'}='answer';
1305: $form{'answer_output_mode'}='tex';
1306: $form{'rndseed'}=$rndseed;
1307: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1308: $form{'problemtype'}='exam';
1309: }
1310: $resources_printed .= $currentURL.':';
1311: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1312: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1313: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1314: } else {
1315: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1316: if ($helper->{'VARS'}->{'construction'} ne '1') {
1317: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1318: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1319: } else {
1320: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1321: my $URLpath=$cleanURL;
1322: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1323: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1324: }
1325: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1326: }
1327: }
1328: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1329: $texversion=&IndexCreation($texversion,$currentURL);
1330: }
1331: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1332: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1333:
1334: }
1335: $result .= $texversion;
1336: if ($currentURL=~m/\.page\s*$/) {
1337: ($result,$number_of_columns) = &page_cleanup($result);
1338: }
1339: } elsif ($cleanURL!~m|^/adm/|
1340: && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1341: #printing content of sequence from the construction space
1342: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1343: $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1344: $result .= &print_construction_sequence($currentURL, $helper, %form,
1345: $LaTeXwidth);
1346: $result .= '\end{document}';
1347: if (!($result =~ /\\begin\{document\}/)) {
1348: $result = &print_latex_header() . $result;
1349: }
1350: # End construction space sequence.
1351: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1352: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1353: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1354: $resources_printed .= $currentURL.':';
1355: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1356: $result .= $texversion;
1357: } else {
1358: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
1359: $helper->{'VARS'}->{'symb'});
1360: }
1361: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1362: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1363: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1364: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1365: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1366: #-- produce an output string
1367: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1368: $selectionmade = 2;
1369: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1370: $selectionmade = 3;
1371: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1372: $selectionmade = 4;
1373: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1374: $selectionmade = 4;
1375: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1376: $selectionmade = 7;
1377: }
1378: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1379: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1380: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1381: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1382: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1383: my $flag_latex_header_remove = 'NO';
1384: my $flag_page_in_sequence = 'NO';
1385: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1386: my $prevassignment='';
1387:
1388: &Apache::lonxml::clear_problem_counter();
1389:
1390: my $pbreakresources = keys %page_breaks;
1391: for (my $i=0;$i<=$#master_seq;$i++) {
1392:
1393: # Note due to document structure, not allowed to put \newpage
1394: # prior to the first resource
1395:
1396: if (defined $page_breaks{$master_seq[$i]}) {
1397: if($i != 0) {
1398: $result.="\\newpage\n";
1399: }
1400: }
1401: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1402: $urlp=&Apache::lonnet::clutter($urlp);
1403: $form{'symb'}=$master_seq[$i];
1404:
1405: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1406: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1407: if ($i==0) {$prevassignment=$assignment;}
1408: my $texversion='';
1409: if ($urlp!~m|^/adm/|
1410: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1411: $resources_printed .= $urlp.':';
1412:
1413: &Apache::lonxml::remember_problem_counter();
1414: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1415: if ($urlp=~/\.page$/) {
1416: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1417: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1418: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1419: $flag_page_in_sequence = 'YES';
1420: }
1421:
1422: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1423: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1424: # Don't permanently pervert the %form hash
1425: my %answerform = %form;
1426: $answerform{'grade_target'}='answer';
1427: $answerform{'answer_output_mode'}='tex';
1428: $resources_printed .= $urlp.':';
1429:
1430: &Apache::lonxml::restore_problem_counter();
1431: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1432:
1433: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1434: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1435: } else {
1436: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1437: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1438: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm ';
1439: $body .= &path_to_problem ($urlp,$LaTeXwidth);
1440: $body .='\vskip 1 mm '.$answer;
1441: $body = &encapsulate_minipage($body);
1442: $texversion .= $body;
1443: } else {
1444: $texversion='';
1445: }
1446: }
1447: }
1448: if ($flag_latex_header_remove ne 'NO') {
1449: $texversion = &latex_header_footer_remove($texversion);
1450: } else {
1451: $texversion =~ s/\\end{document}//;
1452: }
1453: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1454: $texversion=&IndexCreation($texversion,$urlp);
1455: }
1456: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1457: my $name = &get_name();
1458: my $courseidinfo = &get_course();
1459: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1460: $prevassignment=$assignment;
1461: my $header_text = $parmhash{'print_header_format'};
1462: $header_text = &format_page_header($header_text,
1463: $assignment,
1464: $courseidinfo,
1465: $name);
1466: if ($numberofcolumns eq '1') {
1467: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1468: } else {
1469: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1470: }
1471: }
1472: $result .= $texversion;
1473: $flag_latex_header_remove = 'YES';
1474: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1475: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1476: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1477: $resources_printed .= $urlp.':';
1478: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1479: if ($flag_latex_header_remove ne 'NO') {
1480: $texversion = &latex_header_footer_remove($texversion);
1481: } else {
1482: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1483: }
1484: $result .= $texversion;
1485: $flag_latex_header_remove = 'YES';
1486: } else {
1487: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
1488: $master_seq[$i]);
1489: if ($flag_latex_header_remove ne 'NO') {
1490: $texversion = &latex_header_footer_remove($texversion);
1491: } else {
1492: $texversion =~ s/\\end{document}//;
1493: }
1494: $result .= $texversion;
1495: $flag_latex_header_remove = 'YES';
1496: }
1497: if (&Apache::loncommon::connection_aborted($r)) { last; }
1498: }
1499: &Apache::lonxml::clear_problem_counter();
1500: if ($flag_page_in_sequence eq 'YES') {
1501: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1502: }
1503: $result .= '\end{document}';
1504: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1505: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1506:
1507:
1508: #-- prints assignments for whole class or for selected students
1509: my $type;
1510: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1511: $selectionmade=5;
1512: $type='problems';
1513: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1514: $selectionmade=8;
1515: $type='resources';
1516: }
1517: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1518: # The normal sort order is by section then by students within the
1519: # section. If the helper var student_sort is 1, then the user has elected
1520: # to override this and output the students by name.
1521: # Each element of the students array is of the form:
1522: # username:domain:section:last, first:status
1523: #
1524: # Note that student sort is not compatible with printing
1525: # 1 section per pdf...so that setting overrides.
1526: #
1527: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
1528: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1529: @students = sort compare_names @students;
1530: }
1531: &adjust_number_to_print($helper);
1532:
1533: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1534: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1535: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1536: }
1537: # If we are splitting on section boundaries, we need
1538: # to remember that in split_on_sections and
1539: # print all of the students in the list.
1540: #
1541: my $split_on_sections = 0;
1542: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
1543: $split_on_sections = 1;
1544: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
1545: }
1546: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1547:
1548: #loop over students
1549: my $flag_latex_header_remove = 'NO';
1550: my %moreenv;
1551: $moreenv{'instructor_comments'}='hide';
1552: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1553: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1554: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1555: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1556: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1557: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1558: my $student_counter=-1;
1559: my $i = 0;
1560: my $last_section = (split(/:/,$students[0]))[2];
1561: foreach my $person (@students) {
1562:
1563: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1564: if (-e $duefile) {
1565: my $temp_file = Apache::File->new('>>'.$duefile);
1566: print $temp_file "1969\n";
1567: }
1568: $student_counter++;
1569: if ($split_on_sections) {
1570: my $this_section = (split(/:/,$person))[2];
1571: if ($this_section ne $last_section) {
1572: $i++;
1573: $last_section = $this_section;
1574: }
1575: } else {
1576: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1577: }
1578: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1579: $person,$type,
1580: \%moreenv,\@master_seq,
1581: $flag_latex_header_remove,
1582: $LaTeXwidth);
1583: $resources_printed .= ":";
1584: $print_array[$i].=$output;
1585: $student_names[$i].=$person.':'.$fullname.'_END_';
1586: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1587: $flag_latex_header_remove = 'YES';
1588: if (&Apache::loncommon::connection_aborted($r)) { last; }
1589: }
1590: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1591: $result .= $print_array[0].' \end{document}';
1592: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1593: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1594: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1595: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1596: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1597: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1598: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1599: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1600: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1601:
1602: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1603: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1604: my ($code_type,$code_length)=('letter',6);
1605: foreach my $line (<FH>) {
1606: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1607: if ($name eq $code_option) {
1608: $code_length=$length;
1609: if ($type eq 'number') { $code_type = 'number'; }
1610: }
1611: }
1612: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1613: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1614: $moreenv{'instructor_comments'}='hide';
1615: my $seed=time+($$<<16)+($$);
1616: my @allcodes;
1617: if ($old_name) {
1618: my %result=&Apache::lonnet::get('CODEs',
1619: [$old_name,"type\0$old_name"],
1620: $cdom,$cnum);
1621: $code_type=$result{"type\0$old_name"};
1622: @allcodes=split(',',$result{$old_name});
1623: $num_todo=scalar(@allcodes);
1624: } elsif ($selected_code) { # Selection value is always numeric.
1625: $num_todo = 1;
1626: @allcodes = ($selected_code);
1627: } elsif ($single_code) {
1628:
1629: $num_todo = 1; # Unconditionally one code to do.
1630: # If an alpha code have to convert to numbers so it can be
1631: # converted back to letters again :-)
1632: #
1633: if ($code_type ne 'number') {
1634: $single_code = &letters_to_num($single_code);
1635: }
1636: @allcodes = ($single_code);
1637: } else {
1638: my %allcodes;
1639: srand($seed);
1640: for (my $i=0;$i<$num_todo;$i++) {
1641: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1642: $code_type);
1643: }
1644: if ($code_name) {
1645: &Apache::lonnet::put('CODEs',
1646: {
1647: $code_name =>join(',',keys(%allcodes)),
1648: "type\0$code_name" => $code_type
1649: },
1650: $cdom,$cnum);
1651: }
1652: @allcodes=keys(%allcodes);
1653: }
1654: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1655: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1656: &adjust_number_to_print($helper);
1657: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1658: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1659: $number_per_page=$num_todo;
1660: }
1661: my $flag_latex_header_remove = 'NO';
1662: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1663: my $count=0;
1664: foreach my $code (sort(@allcodes)) {
1665: my $file_num=int($count/$number_per_page);
1666: if ($code_type eq 'number') {
1667: $moreenv{'CODE'}=$code;
1668: } else {
1669: $moreenv{'CODE'}=&num_to_letters($code);
1670: }
1671: my ($output,$fullname, $printed)=
1672: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1673: \@master_seq,$flag_latex_header_remove,
1674: $LaTeXwidth);
1675: $resources_printed .= ":";
1676: $print_array[$file_num].=$output;
1677: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1678: &mt('last assignment').' '.$fullname);
1679: $flag_latex_header_remove = 'YES';
1680: $count++;
1681: if (&Apache::loncommon::connection_aborted($r)) { last; }
1682: }
1683: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1684: $result .= $print_array[0].' \end{document}';
1685: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1686: #prints selected problems from the subdirectory
1687: $selectionmade = 6;
1688: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1689: @list_of_files=sort @list_of_files;
1690: my $flag_latex_header_remove = 'NO';
1691: my $rndseed=time;
1692: if ($helper->{'VARS'}->{'curseed'}) {
1693: $rndseed=$helper->{'VARS'}->{'curseed'};
1694: }
1695: for (my $i=0;$i<=$#list_of_files;$i++) {
1696: my $urlp = $list_of_files[$i];
1697: $urlp=~s|//|/|;
1698: if ($urlp=~/\//) {
1699: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1700: $form{'rndseed'}=$rndseed;
1701: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1702: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1703: } else {
1704: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1705: }
1706: $resources_printed .= $urlp.':';
1707: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1708: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1709: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1710: # Don't permanently pervert %form:
1711: my %answerform = %form;
1712: $answerform{'grade_target'}='answer';
1713: $answerform{'answer_output_mode'}='tex';
1714: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1715: $answerform{'rndseed'}=$rndseed;
1716: $resources_printed .= $urlp.':';
1717: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1718: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1719: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1720: } else {
1721: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1722: if ($helper->{'VARS'}->{'construction'} ne '1') {
1723: $texversion.='\vskip 0 mm \noindent ';
1724: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1725: } else {
1726: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1727: my $URLpath=$urlp;
1728: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1729: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1730: }
1731: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1732: }
1733: }
1734: #this chunck is responsible for printing the path to problem
1735: my $newurlp=$urlp;
1736: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1737: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1738: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1739: if ($flag_latex_header_remove ne 'NO') {
1740: $texversion = &latex_header_footer_remove($texversion);
1741: } else {
1742: $texversion =~ s/\\end{document}//;
1743: }
1744: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1745: $texversion=&IndexCreation($texversion,$urlp);
1746: }
1747: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1748: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1749:
1750: }
1751: $result .= $texversion;
1752: }
1753: $flag_latex_header_remove = 'YES';
1754: }
1755: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1756: $result .= '\end{document}';
1757: }
1758: #-------------------------------------------------------- corrections for the different page formats
1759: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1760: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
1761: $helper->{'VARS'}->{'ANSWER_TYPE'});
1762: #if ($numberofcolumns == 1) {
1763: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1764: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1765: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1766: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1767: #}
1768:
1769: #-- writing .tex file in prtspool
1770: my $temp_file;
1771: my $identifier = &Apache::loncommon::get_cgi_id();
1772: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1773: if (!($#print_array>0)) {
1774: unless ($temp_file = Apache::File->new('>'.$filename)) {
1775: $r->log_error("Couldn't open $filename for output $!");
1776: return SERVER_ERROR;
1777: }
1778: print $temp_file $result;
1779: my $begin=index($result,'\begin{document}',0);
1780: my $inc=substr($result,0,$begin+16);
1781: } else {
1782: my $begin=index($result,'\begin{document}',0);
1783: my $inc=substr($result,0,$begin+16);
1784: for (my $i=0;$i<=$#print_array;$i++) {
1785: if ($i==0) {
1786: $print_array[$i]=$result;
1787: } else {
1788: $print_array[$i].='\end{document}';
1789: $print_array[$i] =
1790: &latex_corrections($number_of_columns,$print_array[$i],
1791: $selectionmade,
1792: $helper->{'VARS'}->{'ANSWER_TYPE'});
1793:
1794: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1795: substr($print_array[$i],0,$anobegin)='';
1796: $print_array[$i]=$inc.$print_array[$i];
1797: }
1798: my $temp_file;
1799: my $newfilename=$filename;
1800: my $num=$i+1;
1801: $newfilename =~s/\.tex$//;
1802: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1803: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1804: $r->log_error("Couldn't open $newfilename for output $!");
1805: return SERVER_ERROR;
1806: }
1807: print $temp_file $print_array[$i];
1808: }
1809: }
1810: my $student_names='';
1811: if ($#print_array>0) {
1812: for (my $i=0;$i<=$#print_array;$i++) {
1813: $student_names.=$student_names[$i].'_ENDPERSON_';
1814: }
1815: } else {
1816: if ($#student_names>-1) {
1817: $student_names=$student_names[0].'_ENDPERSON_';
1818: } else {
1819: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1820: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1821: $env{'request.course.sec'},$fullname).
1822: '_ENDPERSON_'.'_END_';
1823: }
1824: }
1825:
1826: my $URLback=''; #link to original document
1827: if ($helper->{'VARS'}->{'construction'} ne '1') {
1828: #prints published resource
1829: $URLback=&escape('/adm/flip?postdata=return:');
1830: } else {
1831: #prints resource from the construction space
1832: $URLback='/'.$helper->{'VARS'}->{'filename'};
1833: if ($URLback=~/([^?]+)/) {
1834: $URLback=$1;
1835: $URLback=~s|^/~|/priv/|;
1836: }
1837: }
1838: # logic for now is too complex to trace if this has been defined
1839: # yet.
1840: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1841: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1842: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1843: 'cgi.'.$identifier.'.layout' => $laystyle,
1844: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1845: 'cgi.'.$identifier.'.paper' => $papersize,
1846: 'cgi.'.$identifier.'.selection' => $selectionmade,
1847: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1848: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1849: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1850: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1851: 'cgi.'.$identifier.'.studentnames' => $student_names,
1852: 'cgi.'.$identifier.'.backref' => $URLback,);
1853: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1854: "cgi.$identifier.domain" => $env{'user.domain'},
1855: "cgi.$identifier.courseid" => $cnum,
1856: "cgi.$identifier.coursedom" => $cdom,
1857: "cgi.$identifier.resources" => $resources_printed);
1858:
1859: my $end_page = &Apache::loncommon::end_page();
1860: $r->print(<<FINALEND);
1861: <br />
1862: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1863: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1864: $end_page
1865: FINALEND
1866: }
1867:
1868:
1869: sub get_CODE {
1870: my ($all_codes,$num,$seed,$size,$type)=@_;
1871: my $max='1'.'0'x$size;
1872: my $newcode;
1873: while(1) {
1874: $newcode=sprintf("%0".$size."d",int(rand($max)));
1875: if (!exists($$all_codes{$newcode})) {
1876: $$all_codes{$newcode}=1;
1877: if ($type eq 'number' ) {
1878: return $newcode;
1879: } else {
1880: return &num_to_letters($newcode);
1881: }
1882: }
1883: }
1884: }
1885:
1886: sub print_resources {
1887: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1888: $LaTeXwidth)=@_;
1889: my $current_output = '';
1890: my $printed = '';
1891: my ($username,$userdomain,$usersection) = split /:/,$person;
1892: my $fullname = &get_name($username,$userdomain);
1893: my $namepostfix;
1894: if ($person =~ 'anon') {
1895: $namepostfix="\\\\Name: ";
1896: $fullname = "CODE - ".$moreenv->{'CODE'};
1897: }
1898: # Fullname may have special latex characters that need \ prefixing:
1899: #
1900:
1901: my $i = 0;
1902: #goes through all resources, checks if they are available for
1903: #current student, and produces output
1904:
1905: &Apache::lonxml::clear_problem_counter();
1906: my %page_breaks = &get_page_breaks($helper);
1907: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1908: #
1909: # end each student with a
1910: # Special that allows the post processor to even out the page
1911: # counts later. Nasty problem this... it would be really
1912: # nice to put the special in as a postscript comment
1913: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
1914: # The special gets passed the \ and dvips puts it in the output file
1915: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
1916: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
1917: #
1918:
1919: foreach my $curresline (@{$master_seq}) {
1920: if (defined $page_breaks{$curresline}) {
1921: if($i != 0) {
1922: $current_output.= "\\newpage\n";
1923: }
1924: }
1925: $i++;
1926: if ( !($type eq 'problems' &&
1927: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1928: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1929: if (&Apache::lonnet::allowed('bre',$res_url)) {
1930: if ($res_url!~m|^ext/|
1931: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1932: $printed .= $curresline.':';
1933:
1934: &Apache::lonxml::remember_problem_counter();
1935:
1936: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1937:
1938: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1939: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1940: # Use a copy of the hash so we don't pervert it on future loop passes.
1941: my %answerenv = %{$moreenv};
1942: $answerenv{'answer_output_mode'}='tex';
1943: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1944:
1945: &Apache::lonxml::restore_problem_counter();
1946:
1947: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1948:
1949: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1950: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1951: } else {
1952:
1953:
1954: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1955: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1956: $body .=&path_to_problem($res_url,$LaTeXwidth);
1957: $body .='\vskip 1 mm '.$ansrendered;
1958: $body = &encapsulate_minipage($body);
1959: $rendered = $header.$body;
1960: }
1961: }
1962: if ($remove_latex_header eq 'YES') {
1963: $rendered = &latex_header_footer_remove($rendered);
1964: } else {
1965: $rendered =~ s/\\end{document}//;
1966: }
1967: $current_output .= $rendered;
1968: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1969: $printed .= $curresline.':';
1970: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1971:
1972: if ($remove_latex_header eq 'YES') {
1973: $rendered = &latex_header_footer_remove($rendered);
1974: } else {
1975: $rendered =~ s/\\end{document}//;
1976: }
1977: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1978:
1979: } else {
1980: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1981: if ($remove_latex_header ne 'NO') {
1982: $rendered = &latex_header_footer_remove($rendered);
1983: } else {
1984: $rendered =~ s/\\end{document}//;
1985: }
1986: $current_output .= $rendered;
1987: }
1988: }
1989: $remove_latex_header = 'YES';
1990: }
1991: if (&Apache::loncommon::connection_aborted($r)) { last; }
1992: }
1993: my $courseidinfo = &get_course();
1994: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1995: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1996: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1997: my $header_line =
1998: &format_page_header($parmhash{'print_header_format'},
1999: $currentassignment, $courseidinfo, $fullname);
2000: my $header_start = ($columns_in_format == 1) ? '\lhead'
2001: : '\fancyhead[LO]';
2002: $header_line = $header_start.'{'.$header_line.'}';
2003:
2004: if ($current_output=~/\\documentclass/) {
2005: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
2006: } else {
2007: my $blankpages =
2008: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
2009:
2010: $current_output = '\strut\vspace*{-6 mm}\\newline'.
2011: ©right_line().' \newpage '.$blankpages.$end_of_student.
2012: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
2013: $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
2014: }
2015: #
2016: # Close the student bracketing.
2017: #
2018: return ($current_output,$fullname, $printed);
2019:
2020: }
2021:
2022: sub handler {
2023:
2024: my $r = shift;
2025:
2026: &init_perm();
2027:
2028:
2029:
2030: my $helper = printHelper($r);
2031: if (!ref($helper)) {
2032: return $helper;
2033: }
2034:
2035:
2036: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2037:
2038:
2039:
2040:
2041: # If a figure conversion queue file exists for this user.domain
2042: # we delete it since it can only be bad (if it were good, printout.pl
2043: # would have deleted it the last time around.
2044:
2045: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
2046: if(-e $conversion_queuefile) {
2047: unlink $conversion_queuefile;
2048: }
2049: &output_data($r,$helper,\%parmhash);
2050: return OK;
2051: }
2052:
2053: use Apache::lonhelper;
2054:
2055: sub addMessage {
2056: my $text = shift;
2057: my $paramHash = Apache::lonhelper::getParamHash();
2058: $paramHash->{MESSAGE_TEXT} = $text;
2059: Apache::lonhelper::message->new();
2060: }
2061:
2062:
2063:
2064: sub init_perm {
2065: undef(%perm);
2066: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
2067: if (!$perm{'pav'}) {
2068: $perm{'pav'}=&Apache::lonnet::allowed('pav',
2069: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2070: }
2071: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
2072: if (!$perm{'pfo'}) {
2073: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
2074: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2075: }
2076: }
2077:
2078: sub printHelper {
2079: my $r = shift;
2080:
2081: if ($r->header_only) {
2082: if ($env{'browser.mathml'}) {
2083: &Apache::loncommon::content_type($r,'text/xml');
2084: } else {
2085: &Apache::loncommon::content_type($r,'text/html');
2086: }
2087: $r->send_http_header;
2088: return OK;
2089: }
2090:
2091: # Send header, nocache
2092: if ($env{'browser.mathml'}) {
2093: &Apache::loncommon::content_type($r,'text/xml');
2094: } else {
2095: &Apache::loncommon::content_type($r,'text/html');
2096: }
2097: &Apache::loncommon::no_cache($r);
2098: $r->send_http_header;
2099: $r->rflush();
2100:
2101: # Unfortunately, this helper is so complicated we have to
2102: # write it by hand
2103:
2104: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
2105:
2106: my $helper = Apache::lonhelper::helper->new("Printing Helper");
2107: $helper->declareVar('symb');
2108: $helper->declareVar('postdata');
2109: $helper->declareVar('curseed');
2110: $helper->declareVar('probstatus');
2111: $helper->declareVar('filename');
2112: $helper->declareVar('construction');
2113: $helper->declareVar('assignment');
2114: $helper->declareVar('style_file');
2115: $helper->declareVar('student_sort');
2116: $helper->declareVar('FINISHPAGE');
2117: $helper->declareVar('PRINT_TYPE');
2118: $helper->declareVar("showallfoils");
2119:
2120: # The page breaks can get loaded initially from the course environment:
2121: # But we only do this in the initial state so that they are allowed to change.
2122: #
2123:
2124: # $helper->{VARS}->{FINISHPAGE} = '';
2125:
2126: &Apache::loncommon::restore_course_settings('print',
2127: {'pagebreaks' => 'scalar',
2128: 'lastprinttype' => 'scalar'});
2129:
2130:
2131: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
2132: if (!defined ($env{"form.CURRENT_STATE"})) {
2133:
2134: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2135: } else {
2136: my $state = $env{"form.CURRENT_STATE"};
2137: if ($state eq "START") {
2138: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2139: }
2140: }
2141:
2142: }
2143:
2144:
2145: # This will persistently load in the data we want from the
2146: # very first screen.
2147: # Detect whether we're coming from construction space
2148: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
2149: $helper->{VARS}->{'filename'} = "~$1/$2";
2150: $helper->{VARS}->{'construction'} = 1;
2151: } else {
2152: if ($env{'form.postdata'}) {
2153: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
2154: }
2155: if ($env{'form.symb'}) {
2156: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2157: }
2158: if ($env{'form.url'}) {
2159: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2160: }
2161:
2162: }
2163:
2164: if ($env{'form.symb'}) {
2165: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2166: }
2167: if ($env{'form.url'}) {
2168: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2169:
2170: }
2171: $helper->{VARS}->{'symb'}=
2172: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
2173: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
2174: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
2175:
2176:
2177: # Extract map
2178: my $symb = $helper->{VARS}->{'symb'};
2179: my ($map, $id, $url);
2180: my $subdir;
2181:
2182: # Get the resource name from construction space
2183: if ($helper->{VARS}->{'construction'}) {
2184: $resourceTitle = substr($helper->{VARS}->{'filename'},
2185: rindex($helper->{VARS}->{'filename'}, '/')+1);
2186: $subdir = substr($helper->{VARS}->{'filename'},
2187: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
2188: } else {
2189: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
2190: $helper->{VARS}->{'postdata'} =
2191: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
2192:
2193: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
2194: my $postdata = $helper->{VARS}->{'postdata'};
2195: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
2196: }
2197: $subdir = &Apache::lonnet::filelocation("", $url);
2198: }
2199: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2200: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2201: }
2202: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2203: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2204: }
2205:
2206: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2207:
2208: Apache::lonhelper::registerHelperTags();
2209:
2210: # "Delete everything after the last slash."
2211: $subdir =~ s|/[^/]+$||;
2212: if (not $helper->{VARS}->{'construction'}) {
2213: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
2214: }
2215: # "Remove all duplicate slashes."
2216: $subdir =~ s|/+|/|g;
2217:
2218: # What can be printed is a very dynamic decision based on
2219: # lots of factors. So we need to dynamically build this list.
2220: # To prevent security leaks, states are only added to the wizard
2221: # if they can be reached, which ensures manipulating the form input
2222: # won't allow anyone to reach states they shouldn't have permission
2223: # to reach.
2224:
2225: # printChoices is tracking the kind of printing the user can
2226: # do, and will be used in a choices construction later.
2227: # In the meantime we will be adding states and elements to
2228: # the helper by hand.
2229: my $printChoices = [];
2230: my $paramHash;
2231:
2232: if ($resourceTitle) {
2233: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2234: }
2235:
2236: # Useful filter strings
2237: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2238: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2239: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2240: my $isNotMap = '!$res->is_sequence()';
2241: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2242: my $isMap = '$res->is_map()';
2243: my $symbFilter = '$res->shown_symb()';
2244: my $urlValue = '$res->link()';
2245:
2246: $helper->declareVar('SEQUENCE');
2247:
2248: # If we're in a sequence...
2249:
2250: my $start_new_option;
2251: if ($perm{'pav'}) {
2252: $start_new_option =
2253: "<option text='".&mt('Start new page<br />before selected').
2254: "' variable='FINISHPAGE' />";
2255: }
2256:
2257: if (($helper->{'VARS'}->{'construction'} ne '1') &&
2258:
2259: $helper->{VARS}->{'postdata'} &&
2260: $helper->{VARS}->{'assignment'}) {
2261: # Allow problems from sequence
2262: push @{$printChoices}, [&mt('Selected <b>Problems</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems', 'CHOOSE_PROBLEMS'];
2263: # Allow all resources from sequence
2264: push @{$printChoices}, [&mt('Selected <b>Resources</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2265:
2266: my $helperFragment = <<HELPERFRAGMENT;
2267: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2268: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2269: closeallpages="1">
2270: <nextstate>PAGESIZE</nextstate>
2271: <filterfunc>return $isProblem;</filterfunc>
2272: <mapurl>$map</mapurl>
2273: <valuefunc>return $symbFilter;</valuefunc>
2274: $start_new_option
2275: </resource>
2276: </state>
2277:
2278: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2279: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2280: closeallpages="1">
2281: <nextstate>PAGESIZE</nextstate>
2282: <filterfunc>return $isNotMap;</filterfunc>
2283: <mapurl>$map</mapurl>
2284: <valuefunc>return $symbFilter;</valuefunc>
2285: $start_new_option
2286: </resource>
2287: </state>
2288: HELPERFRAGMENT
2289:
2290: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2291: }
2292:
2293: # If the user has pfo (print for otheres) allow them to print all
2294: # problems and resources in the entier course, optionally for selected students
2295: if ($perm{'pfo'} &&
2296: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2297:
2298: push @{$printChoices}, ['Selected <b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2299: push @{$printChoices}, ['Selected <b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2300: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2301: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2302: <resource variable="RESOURCES" toponly='0' multichoice="1"
2303: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2304: <nextstate>PAGESIZE</nextstate>
2305: <filterfunc>return $isProblemOrMap;</filterfunc>
2306: <choicefunc>return $isNotMap;</choicefunc>
2307: <valuefunc>return $symbFilter;</valuefunc>
2308: $start_new_option
2309: </resource>
2310: </state>
2311: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2312: <resource variable="RESOURCES" toponly='0' multichoice='1'
2313: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2314: <nextstate>PAGESIZE</nextstate>
2315: <filterfunc>return $isNotMap; </filterfunc>
2316: <valuefunc>return $symbFilter;</valuefunc>
2317: $start_new_option
2318: </resource>
2319: </state>
2320: ALL_PROBLEMS
2321:
2322: if ($helper->{VARS}->{'assignment'}) {
2323: push @{$printChoices}, [&mt("Selected <b>Problems</b> from folder <b><i>[_1]</i></b> for <b>selected students</b>",$sequenceTitle), 'problems_for_students', 'CHOOSE_STUDENTS'];
2324: 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'];
2325: }
2326:
2327: # resource_selector will hold a few states that:
2328: # - Allow resources to be selected for printing.
2329: # - Determine pagination between assignments.
2330: # - Determine how many assignments should be bundled into a single PDF.
2331: # TODO:
2332: # Probably good to do things like separate this up into several vars, each
2333: # with one state, and use REGEXPs at inclusion time to set state names
2334: # and next states for better mix and match capability
2335: #
2336: my $resource_selector=<<RESOURCE_SELECTOR;
2337: <state name="SELECT_PROBLEMS" title="Select resources to print">
2338: <nextstate>PRINT_FORMATTING</nextstate>
2339: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2340: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2341: closeallpages="1">
2342: <filterfunc>return $isProblem;</filterfunc>
2343: <mapurl>$map</mapurl>
2344: <valuefunc>return $symbFilter;</valuefunc>
2345: $start_new_option
2346: </resource>
2347: </state>
2348: <state name="PRINT_FORMATTING" title="How should results be printed?">
2349: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2350: <choices variable="EMPTY_PAGES">
2351: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2352: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2353: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2354: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2355: </choices>
2356: <nextstate>PAGESIZE</nextstate>
2357: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2358: <choices variable="SPLIT_PDFS">
2359: <choice computer="all">All assignments in a single PDF file</choice>
2360: <choice computer="sections">Each PDF contains exactly one section</choice>
2361: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2362: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2363: Specify the number of assignments per PDF:</choice>
2364: </choices>
2365: </state>
2366: RESOURCE_SELECTOR
2367:
2368: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2369: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2370: <message><b>Select sort order</b> </message>
2371: <choices variable='student_sort'>
2372: <choice computer='0'>Sort by section then student</choice>
2373: <choice computer='1'>Sort by students across sections.</choice>
2374: </choices>
2375: <message><br /><hr /><br /> </message>
2376: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
2377: </state>
2378: $resource_selector
2379: CHOOSE_STUDENTS
2380:
2381: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2382: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2383: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2384: my $namechoice='<choice></choice>';
2385: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2386: if ($name =~ /^error: 2 /) { next; }
2387: if ($name =~ /^type\0/) { next; }
2388: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2389: }
2390:
2391:
2392: my %code_values;
2393: my %codes_to_print;
2394: foreach my $key (@names) {
2395: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2396: foreach my $key (keys(%code_values)) {
2397: $codes_to_print{$key} = 1;
2398: }
2399: }
2400:
2401: my $code_selection;
2402: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
2403: my $choice = $code;
2404: if ($code =~ /^[A-Z]+$/) { # Alpha code
2405: $choice = &letters_to_num($code);
2406: }
2407: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
2408: }
2409: if (%codes_to_print) {
2410: $code_selection .='
2411: <message><b>Choose single CODE from list:</b></message>
2412: <message></td><td></message>
2413: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2414: <choice></choice>
2415: <exec>
2416: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
2417: </exec>
2418: </dropdown>
2419: <message></td></tr><tr><td></message>
2420: '.$/;
2421:
2422: }
2423:
2424:
2425: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2426: my $codechoice='';
2427: foreach my $line (<FH>) {
2428: my ($name,$description,$code_type,$code_length)=
2429: (split(/:/,$line))[0,1,2,4];
2430: if ($code_length > 0 &&
2431: $code_type =~/^(letter|number|-1)/) {
2432: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2433: }
2434: }
2435: if ($codechoice eq '') {
2436: $codechoice='<choice computer="default">Default</choice>';
2437: }
2438: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2439: <state name="CHOOSE_ANON1" title="Specify CODEd Assignments">
2440: <nextstate>SELECT_PROBLEMS</nextstate>
2441: <message><h4>Fill out one of the forms below</h4></message>
2442: <message><br /><hr /> <br /></message>
2443: <message><h3>Generate new CODEd Assignments</h3></message>
2444: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2445: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2446: <validator>
2447: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2448: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2449: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2450: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2451: return "You need to specify the number of assignments to print";
2452: }
2453: return undef;
2454: </validator>
2455: </string>
2456: <message></td></tr><tr><td></message>
2457: <message><b>Names to store the CODEs under for later:</b></message>
2458: <message></td><td></message>
2459: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2460: <message></td></tr><tr><td></message>
2461: <message><b>Bubble sheet type:</b></message>
2462: <message></td><td></message>
2463: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2464: $codechoice
2465: </dropdown>
2466: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
2467: <message></td></tr><tr><td></table></message>
2468: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2469: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2470: <string variable="SINGLE_CODE" size="10">
2471: <validator>
2472: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2473: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2474: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2475: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2476: \$helper->{'VARS'}{'CODE_OPTION'});
2477: } else {
2478: return undef; # Other forces control us.
2479: }
2480: </validator>
2481: </string>
2482: <message></td></tr><tr><td></message>
2483: $code_selection
2484: <message></td></tr></table></message>
2485: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2486: <message><b>Select saved CODEs:</b></message>
2487: <message></td><td></message>
2488: <dropdown variable="REUSE_OLD_CODES">
2489: $namechoice
2490: </dropdown>
2491: <message></td></tr></table></message>
2492: </state>
2493: $resource_selector
2494: CHOOSE_ANON1
2495:
2496:
2497: if ($helper->{VARS}->{'assignment'}) {
2498: push @{$printChoices}, [&mt("Selected <b>Resources</b> from folder <b><i>[_1]</i></b> for <b>selected students</b>",$sequenceTitle), 'resources_for_students', 'CHOOSE_STUDENTS1'];
2499: 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'];
2500: }
2501:
2502:
2503: $resource_selector=<<RESOURCE_SELECTOR;
2504: <state name="SELECT_RESOURCES" title="Select Resources">
2505: <nextstate>PRINT_FORMATTING</nextstate>
2506: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2507: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2508: closeallpages="1">
2509: <filterfunc>return $isNotMap;</filterfunc>
2510: <mapurl>$map</mapurl>
2511: <valuefunc>return $symbFilter;</valuefunc>
2512: $start_new_option
2513: </resource>
2514: </state>
2515: <state name="PRINT_FORMATTING" title="Format of the print job">
2516: <nextstate>NUMBER_PER_PDF</nextstate>
2517: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2518: <choices variable="EMPTY_PAGES">
2519: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2520: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2521: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2522: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2523: </choices>
2524: <nextstate>PAGESIZE</nextstate>
2525: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2526: <choices variable="SPLIT_PDFS">
2527: <choice computer="all">All assignments in a single PDF file</choice>
2528: <choice computer="sections">Each PDF contains exactly one section</choice>
2529: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2530: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2531: Specify the number of assignments per PDF:</choice>
2532: </choices>
2533: </state>
2534: RESOURCE_SELECTOR
2535:
2536: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2537: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2538: <choices variable='student_sort'>
2539: <choice computer='0'>Sort by section then student</choice>
2540: <choice computer='1'>Sort by students across sections.</choice>
2541: </choices>
2542: <message><br /><hr /><br /></message>
2543: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
2544:
2545: </state>
2546: $resource_selector
2547: CHOOSE_STUDENTS1
2548:
2549: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2550: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
2551: <nextstate>SELECT_RESOURCES</nextstate>
2552: <message><h4>Fill out one of the forms below</h4></message>
2553: <message><br /><hr /> <br /></message>
2554: <message><h3>Generate new CODEd Assignments</h3></message>
2555: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2556: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2557: <validator>
2558: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2559: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2560: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2561: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2562: return "You need to specify the number of assignments to print";
2563: }
2564: return undef;
2565: </validator>
2566: </string>
2567: <message></td></tr><tr><td></message>
2568: <message><b>Names to store the CODEs under for later:</b></message>
2569: <message></td><td></message>
2570: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2571: <message></td></tr><tr><td></message>
2572: <message><b>Bubble sheet type:</b></message>
2573: <message></td><td></message>
2574: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2575: $codechoice
2576: </dropdown>
2577: <message></td></tr><tr><td></table></message>
2578: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2579: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2580: <string variable="SINGLE_CODE" size="10">
2581: <validator>
2582: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2583: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2584: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2585: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2586: \$helper->{'VARS'}{'CODE_OPTION'});
2587: } else {
2588: return undef; # Other forces control us.
2589: }
2590: </validator>
2591: </string>
2592: <message></td></tr><tr><td></message>
2593: $code_selection
2594: <message></td></tr></table></message>
2595: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2596: <message><b>Select saved CODEs:</b></message>
2597: <message></td><td></message>
2598: <dropdown variable="REUSE_OLD_CODES">
2599: $namechoice
2600: </dropdown>
2601: <message></td></tr></table></message>
2602: </state>
2603: $resource_selector
2604: CHOOSE_ANON2
2605: }
2606:
2607: # FIXME: That RE should come from a library somewhere.
2608: if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $perm{'pav'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2609: push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$subdir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2610:
2611: my $f = '$filename';
2612: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2613: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2614:
2615: <files variable="FILES" multichoice='1'>
2616: <nextstate>PAGESIZE</nextstate>
2617: <filechoice>return '$subdir';</filechoice>
2618: CHOOSE_FROM_SUBDIR
2619:
2620: # this is broken up because I really want interpolation above,
2621: # and I really DON'T want it below
2622: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2623: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2624: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2625: </filefilter>
2626: </files>
2627: </state>
2628: CHOOSE_FROM_SUBDIR
2629: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2630: }
2631:
2632: # Allow the user to select any sequence in the course, feed it to
2633: # another resource selector for that sequence
2634: if (!$helper->{VARS}->{'construction'}) {
2635: push @$printChoices, ["Selected <b>Resources</b> from <b>selected folder</b> in course",
2636: 'select_sequences', 'CHOOSE_SEQUENCE'];
2637: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2638: #Escape apostrophes and backslashes for Perl
2639: $escapedSequenceName =~ s/\\/\\\\/g;
2640: $escapedSequenceName =~ s/'/\\'/g;
2641: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2642: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2643: <message>Select the sequence to print resources from:</message>
2644: <resource variable="SEQUENCE">
2645: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2646: <filterfunc>return \$res->is_sequence;</filterfunc>
2647: <valuefunc>return $urlValue;</valuefunc>
2648: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2649: </choicefunc>
2650: </resource>
2651: </state>
2652: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2653: <message>(mark desired resources then click "next" button) <br /></message>
2654: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2655: closeallpages="1">
2656: <nextstate>PAGESIZE</nextstate>
2657: <filterfunc>return $isNotMap</filterfunc>
2658: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2659: <valuefunc>return $symbFilter;</valuefunc>
2660: $start_new_option
2661: </resource>
2662: </state>
2663: CHOOSE_FROM_ANY_SEQUENCE
2664: }
2665:
2666: # Generate the first state, to select which resources get printed.
2667: Apache::lonhelper::state->new("START", "Select Printing Options:");
2668: $paramHash = Apache::lonhelper::getParamHash();
2669: $paramHash->{MESSAGE_TEXT} = "";
2670: Apache::lonhelper::message->new();
2671: $paramHash = Apache::lonhelper::getParamHash();
2672: $paramHash->{'variable'} = 'PRINT_TYPE';
2673: $paramHash->{CHOICES} = $printChoices;
2674: Apache::lonhelper::choices->new();
2675:
2676: my $startedTable = 0; # have we started an HTML table yet? (need
2677: # to close it later)
2678:
2679: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2680: ($helper->{VARS}->{'construction'} eq '1')) {
2681: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2682: $paramHash = Apache::lonhelper::getParamHash();
2683: $paramHash->{'variable'} = 'ANSWER_TYPE';
2684: $helper->declareVar('ANSWER_TYPE');
2685: $paramHash->{CHOICES} = [
2686: ['Without Answers', 'yes'],
2687: ['With Answers', 'no'],
2688: ['Only Answers', 'only']
2689: ];
2690: Apache::lonhelper::dropdown->new();
2691: addMessage("</td></tr>");
2692: $startedTable = 1;
2693: }
2694:
2695: if ($perm{'pav'}) {
2696: if (!$startedTable) {
2697: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2698: $startedTable = 1;
2699: } else {
2700: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2701: }
2702: $paramHash = Apache::lonhelper::getParamHash();
2703: $paramHash->{'variable'} = 'LATEX_TYPE';
2704: $helper->declareVar('LATEX_TYPE');
2705: if ($helper->{VARS}->{'construction'} eq '1') {
2706: $paramHash->{CHOICES} = [
2707: ['standard LaTeX mode', 'standard'],
2708: ['LaTeX batchmode', 'batchmode'], ];
2709: } else {
2710: $paramHash->{CHOICES} = [
2711: ['LaTeX batchmode', 'batchmode'],
2712: ['standard LaTeX mode', 'standard'] ];
2713: }
2714: Apache::lonhelper::dropdown->new();
2715:
2716: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2717: $paramHash = Apache::lonhelper::getParamHash();
2718: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2719: $helper->declareVar('TABLE_CONTENTS');
2720: $paramHash->{CHOICES} = [
2721: ['No', 'no'],
2722: ['Yes', 'yes'] ];
2723: Apache::lonhelper::dropdown->new();
2724: addMessage("</td></tr>");
2725:
2726: if (not $helper->{VARS}->{'construction'}) {
2727: addMessage("<tr><td align='right'>Print Index: </td><td>");
2728: $paramHash = Apache::lonhelper::getParamHash();
2729: $paramHash->{'variable'} = 'TABLE_INDEX';
2730: $helper->declareVar('TABLE_INDEX');
2731: $paramHash->{CHOICES} = [
2732: ['No', 'no'],
2733: ['Yes', 'yes'] ];
2734: Apache::lonhelper::dropdown->new();
2735: addMessage("</td></tr>");
2736: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2737: $paramHash = Apache::lonhelper::getParamHash();
2738: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2739: $helper->declareVar('PRINT_DISCUSSIONS');
2740: $paramHash->{CHOICES} = [
2741: ['No', 'no'],
2742: ['Yes', 'yes'] ];
2743: Apache::lonhelper::dropdown->new();
2744: addMessage("</td></tr>");
2745:
2746: addMessage("<tr><td align = 'right'> </td><td>");
2747: $paramHash = Apache::lonhelper::getParamHash();
2748: $paramHash->{'multichoice'} = "true";
2749: $paramHash->{'allowempty'} = "true";
2750: $paramHash->{'variable'} = "showallfoils";
2751: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2752: Apache::lonhelper::choices->new();
2753: addMessage("</td></tr>");
2754: }
2755:
2756: if ($helper->{'VARS'}->{'construction'}) {
2757: my $stylevalue=$env{'construct.style'};
2758: my $xmlfrag .= <<"RNDSEED";
2759: <message><tr><td align='right'>Use random seed: </td><td></message>
2760: <string variable="curseed" size="15" maxlength="15">
2761: <defaultvalue>
2762: return $helper->{VARS}->{'curseed'};
2763: </defaultvalue>
2764: </string>
2765: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2766: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
2767: <choices allowempty="1" multichoice="true" variable="showallfoils">
2768: <choice computer="1">Show all foils?</choice>
2769: </choices>
2770: <message></td></tr></message>
2771: RNDSEED
2772: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2773: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2774:
2775: }
2776: }
2777:
2778:
2779:
2780:
2781: if ($startedTable) {
2782: addMessage("</table>");
2783: }
2784:
2785: Apache::lonprintout::page_format_state->new("FORMAT");
2786:
2787: # Generate the PAGESIZE state which will offer the user the margin
2788: # choices if they select one column
2789: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2790: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2791:
2792:
2793: $helper->process();
2794:
2795:
2796: # MANUAL BAILOUT CONDITION:
2797: # If we're in the "final" state, bailout and return to handler
2798: if ($helper->{STATE} eq 'FINAL') {
2799: return $helper;
2800: }
2801:
2802: $r->print($helper->display());
2803: if ($helper->{STATE} eq 'START') {
2804: &recently_generated($r);
2805: }
2806: &Apache::lonhelper::unregisterHelperTags();
2807:
2808: return OK;
2809: }
2810:
2811:
2812: 1;
2813:
2814: package Apache::lonprintout::page_format_state;
2815:
2816: =pod
2817:
2818: =head1 Helper element: page_format_state
2819:
2820: See lonhelper.pm documentation for discussion of the helper framework.
2821:
2822: Apache::lonprintout::page_format_state is an element that gives the
2823: user an opportunity to select the page layout they wish to print
2824: with: Number of columns, portrait/landscape, and paper size. If you
2825: want to change the paper size choices, change the @paperSize array
2826: contents in this package.
2827:
2828: page_format_state is always directly invoked in lonprintout.pm, so there
2829: is no tag interface. You actually pass parameters to the constructor.
2830:
2831: =over 4
2832:
2833: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2834:
2835: =back
2836:
2837: =cut
2838:
2839: use Apache::lonhelper;
2840:
2841: no strict;
2842: @ISA = ("Apache::lonhelper::element");
2843: use strict;
2844: use Apache::lonlocal;
2845: use Apache::lonnet;
2846:
2847: my $maxColumns = 2;
2848: # it'd be nice if these all worked
2849: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2850: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2851: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2852: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2853: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2854: "a4 [210x297 mm]");
2855:
2856: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2857: # Paper type
2858:
2859: sub new {
2860: my $self = Apache::lonhelper::element->new();
2861:
2862: shift;
2863:
2864: $self->{'variable'} = shift;
2865: my $helper = Apache::lonhelper::getHelper();
2866: $helper->declareVar($self->{'variable'});
2867: bless($self);
2868: return $self;
2869: }
2870:
2871: sub render {
2872: my $self = shift;
2873: my $helper = Apache::lonhelper::getHelper();
2874: my $result = '';
2875: my $var = $self->{'variable'};
2876: my $PageLayout=&mt('Page layout');
2877: my $NumberOfColumns=&mt('Number of columns');
2878: my $PaperType=&mt('Paper type');
2879: $result .= <<STATEHTML;
2880:
2881: <hr width="33%" />
2882: <table cellpadding="3">
2883: <tr>
2884: <td align="center"><b>$PageLayout</b></td>
2885: <td align="center"><b>$NumberOfColumns</b></td>
2886: <td align="center"><b>$PaperType</b></td>
2887: </tr>
2888: <tr>
2889: <td>
2890: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2891: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2892: </td>
2893: <td align="center">
2894: <select name="${var}.cols">
2895: STATEHTML
2896:
2897: my $i;
2898: for ($i = 1; $i <= $maxColumns; $i++) {
2899: if ($i == 2) {
2900: $result .= "<option value='$i' selected>$i</option>\n";
2901: } else {
2902: $result .= "<option value='$i'>$i</option>\n";
2903: }
2904: }
2905:
2906: $result .= "</select></td><td>\n";
2907: $result .= "<select name='${var}.paper'>\n";
2908:
2909: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2910: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
2911: $DefaultPaperSize=~s/\s//g;
2912: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2913: $i = 0;
2914: foreach (@paperSize) {
2915: $_=~/(\w+)/;
2916: my $papersize=$1;
2917: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2918: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2919: } else {
2920: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2921: }
2922: $i++;
2923: }
2924: $result .= "</select></td></tr></table>";
2925: return $result;
2926: }
2927:
2928: sub postprocess {
2929: my $self = shift;
2930:
2931: my $var = $self->{'variable'};
2932: my $helper = Apache::lonhelper->getHelper();
2933: $helper->{VARS}->{$var} =
2934: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2935: $env{"form.$var.paper"};
2936: return 1;
2937: }
2938:
2939: 1;
2940:
2941: package Apache::lonprintout::page_size_state;
2942:
2943: =pod
2944:
2945: =head1 Helper element: page_size_state
2946:
2947: See lonhelper.pm documentation for discussion of the helper framework.
2948:
2949: Apache::lonprintout::page_size_state is an element that gives the
2950: user the opportunity to further refine the page settings if they
2951: select a single-column page.
2952:
2953: page_size_state is always directly invoked in lonprintout.pm, so there
2954: is no tag interface. You actually pass parameters to the constructor.
2955:
2956: =over 4
2957:
2958: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2959:
2960: =back
2961:
2962: =cut
2963:
2964: use Apache::lonhelper;
2965: use Apache::lonnet;
2966: no strict;
2967: @ISA = ("Apache::lonhelper::element");
2968: use strict;
2969:
2970:
2971:
2972: sub new {
2973: my $self = Apache::lonhelper::element->new();
2974:
2975: shift; # disturbs me (probably prevents subclassing) but works (drops
2976: # package descriptor)... - Jeremy
2977:
2978: $self->{'variable'} = shift;
2979: my $helper = Apache::lonhelper::getHelper();
2980: $helper->declareVar($self->{'variable'});
2981:
2982: # The variable name of the format element, so we can look into
2983: # $helper->{VARS} to figure out whether the columns are one or two
2984: $self->{'formatvar'} = shift;
2985:
2986:
2987: $self->{NEXTSTATE} = shift;
2988: bless($self);
2989:
2990: return $self;
2991: }
2992:
2993: sub render {
2994: my $self = shift;
2995: my $helper = Apache::lonhelper::getHelper();
2996: my $result = '';
2997: my $var = $self->{'variable'};
2998:
2999:
3000:
3001: if (defined $self->{ERROR_MSG}) {
3002: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
3003: }
3004:
3005: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3006:
3007: # Use format to get sensible defaults for the margins:
3008:
3009:
3010: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3011: ($papersize) = split(/ /, $papersize);
3012:
3013:
3014: if ($laystyle eq 'L') {
3015: $laystyle = 'album';
3016: } else {
3017: $laystyle = 'book';
3018: }
3019:
3020:
3021: my %size;
3022: ($size{'width_and_units'},
3023: $size{'height_and_units'},
3024: $size{'margin_and_units'})=
3025: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3026:
3027: foreach my $dimension ('width','height','margin') {
3028: ($size{$dimension},$size{$dimension.'_unit'}) =
3029: split(/ +/, $size{$dimension.'_and_units'},2);
3030:
3031: foreach my $unit ('cm','in') {
3032: $size{$dimension.'_options'} .= '<option ';
3033: if ($size{$dimension.'_unit'} eq $unit) {
3034: $size{$dimension.'_options'} .= 'selected="selected" ';
3035: }
3036: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
3037: }
3038: }
3039:
3040: # Adjust margin for LaTeX margin: .. requires units == cm or in.
3041:
3042: if ($size{'margin_unit'} eq 'in') {
3043: $size{'margin'} += 1;
3044: } else {
3045: $size{'margin'} += 2.54;
3046: }
3047: $result .= <<ELEMENTHTML;
3048:
3049:
3050:
3051: <p>How should each column be formatted?</p>
3052:
3053: <table cellpadding='3'>
3054: <tr>
3055: <td align='right'><b>Width</b>:</td>
3056: <td align='left'><input type='text' name='$var.width' value="$size{'width'}" size='4' /></td>
3057: <td align='left'>
3058: <select name='$var.widthunit'>
3059: $size{'width_options'}
3060: </select>
3061: </td>
3062: </tr>
3063: <tr>
3064: <td align='right'><b>Height</b>:</td>
3065: <td align='left'><input type='text' name="$var.height" value="$size{'height'}" size='4' /></td>
3066: <td align='left'>
3067: <select name='$var.heightunit'>
3068: $size{'height_options'}
3069: </select>
3070: </td>
3071: </tr>
3072: <tr>
3073: <td align='right'><b>Left margin</b>:</td>
3074: <td align='left'><input type='text' name='$var.lmargin' value="$size{'margin'}" size='4' /></td>
3075: <td align='left'>
3076: <select name='$var.lmarginunit'>
3077: $size{'margin_options'}
3078: </select>
3079: </td>
3080: </tr>
3081: </table>
3082:
3083: <!--<p>Hint: Some instructors like to leave scratch space for the student by
3084: making the width much smaller than the width of the page.</p>-->
3085:
3086: ELEMENTHTML
3087:
3088: return $result;
3089: }
3090:
3091:
3092: sub preprocess {
3093: my $self = shift;
3094: my $helper = Apache::lonhelper::getHelper();
3095:
3096: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3097:
3098: # If the user does not have 'pav' privilege, set default widths and
3099: # on to the next state right away.
3100: #
3101: if (!$perm{'pav'}) {
3102: my $var = $self->{'variable'};
3103: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3104:
3105: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3106: ($papersize) = split(/ /, $papersize);
3107:
3108:
3109: if ($laystyle eq 'L') {
3110: $laystyle = 'album';
3111: } else {
3112: $laystyle = 'book';
3113: }
3114: # Figure out some good defaults for the print out and set them:
3115:
3116: my %size;
3117: ($size{'width'},
3118: $size{'height'},
3119: $size{'lmargin'})=
3120: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3121:
3122: foreach my $dim ('width', 'height', 'lmargin') {
3123: my ($value, $units) = split(/ /, $size{$dim});
3124:
3125: $helper->{VARS}->{"$var.".$dim} = $value;
3126: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
3127:
3128: }
3129:
3130:
3131: # Transition to the next state
3132:
3133: $helper->changeState($self->{NEXTSTATE});
3134: }
3135:
3136: return 1;
3137: }
3138:
3139: sub postprocess {
3140: my $self = shift;
3141:
3142: my $var = $self->{'variable'};
3143: my $helper = Apache::lonhelper->getHelper();
3144: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
3145: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
3146: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
3147: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
3148: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
3149: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
3150:
3151: my $error = '';
3152:
3153: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
3154: # by an optional period, followed by digits, ending the string
3155:
3156: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3157: $error .= "Invalid width; please type only a number.<br />\n";
3158: }
3159: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3160: $error .= "Invalid height; please type only a number.<br />\n";
3161: }
3162: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3163: $error .= "Invalid left margin; please type only a number.<br />\n";
3164: } else {
3165: # Adjust for LaTeX 1.0 inch margin:
3166:
3167: if ($env{"form.${var}.lmarginunit"} eq "in") {
3168: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
3169: } else {
3170: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
3171: }
3172: }
3173:
3174: if (!$error) {
3175: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
3176: return 1;
3177: } else {
3178: $self->{ERROR_MSG} = $error;
3179: return 0;
3180: }
3181: }
3182:
3183:
3184:
3185: __END__
3186:
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