1: #
2: # The LearningOnline Network
3: # Printout
4: #
5: # $Id: lonprintout.pm,v 1.480 2006/08/21 22:53:19 foxr Exp $
6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: #
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: #sub dump_env {
1055: # my $envvars = Dumper(\%env);
1056: # &Apache::lonnet::logthis("Dump of env: \n $envvars");
1057: #}
1058:
1059: #sub get_page_breaks {
1060: # my ($helper) = @_;
1061: # my %page_breaks;
1062: #
1063: # foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1064: # $page_breaks{$break} = 1;
1065: # }
1066: # return %page_breaks;
1067: #}
1068:
1069: # Output a sequence (recursively if neeed)
1070: # from construction space.
1071: # Parameters:
1072: # url = URL of the sequence to print.
1073: # helper - Reference to the helper hash.
1074: # form - Copy of the format hash.
1075: # LaTeXWidth
1076: # Returns:
1077: # Text to add to the printout.
1078: # NOTE if the first element of the outermost sequence
1079: # is itself a sequence, the outermost caller may need to
1080: # prefix the latex with the page headers stuff.
1081: #
1082: sub print_construction_sequence {
1083: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1084: my $result;
1085: my $rndseed=time;
1086: if ($helper->{'VARS'}->{'curseed'}) {
1087: $rndseed=$helper->{'VARS'}->{'curseed'};
1088: }
1089: my $errtext=&Apache::lonratedt::mapread($currentURL);
1090: #
1091: # These make this all support recursing for subsequences.
1092: #
1093: my @order = @Apache::lonratedt::order;
1094: my @resources = @Apache::lonratedt::resources;
1095: for (my $member=0;$member<=$#order;$member++) {
1096: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
1097: my $urlp=$2;
1098: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1099: my $texversion='';
1100: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1101: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1102: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1103: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1104: $form{'rndseed'}=$rndseed;
1105: $resources_printed .=$urlp.':';
1106: $texversion=&Apache::lonnet::ssi($urlp,%form);
1107: }
1108: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1109: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1110: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1111: # Don't permanently modify %$form...
1112: my %answerform = %form;
1113: $answerform{'grade_target'}='answer';
1114: $answerform{'answer_output_mode'}='tex';
1115: $answerform{'rndseed'}=$rndseed;
1116: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1117: if ($urlp=~/\/res\//) {
1118: $env{'request.state'}='published';
1119: }
1120:
1121: $resources_printed .= $urlp.':';
1122: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1123: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1124: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1125: } else {
1126: # If necessary, encapsulate answer in minipage:
1127:
1128: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1129: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
1130: $title = &Apache::lonxml::latex_special_symbols($title);
1131: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1132: $body.=&path_to_problem($urlp,$LaTeXwidth);
1133: $body.='\vskip 1 mm '.$answer.'\end{document}';
1134: $body = &encapsulate_minipage($body);
1135: $texversion.=$body;
1136: }
1137: }
1138: $texversion = &latex_header_footer_remove($texversion);
1139:
1140: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1141: $texversion=&IndexCreation($texversion,$urlp);
1142: }
1143: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1144: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1145: }
1146: $result.=$texversion;
1147:
1148: } elsif ($urlp=~/\.(sequence|page)$/) {
1149:
1150: # header:
1151:
1152: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1153:
1154: # IF sequence, recurse:
1155:
1156: if ($urlp =~ /\.sequence$/) {
1157: my $sequence_url = $urlp;
1158: my $domain = $env{'user.domain'}; # Constr. space only on local
1159: my $user = $env{'user.name'};
1160:
1161: $sequence_url =~ s/^\/res\/$domain/\/home/;
1162: $sequence_url =~ s/^(\/home\/$user)/$1\/public_html/;
1163: # $sequence_url =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1164: $result .= &print_construction_sequence($sequence_url,
1165: $helper, %form,
1166: $LaTeXwidth);
1167: }
1168: }
1169: }
1170: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1171: return $result;
1172: }
1173:
1174: sub output_data {
1175: my ($r,$helper,$rparmhash) = @_;
1176: my %parmhash = %$rparmhash;
1177: $resources_printed = '';
1178: my $js = <<ENDPART;
1179: <script type="text/javascript">
1180: var editbrowser;
1181: function openbrowser(formname,elementname,only,omit) {
1182: var url = '/res/?';
1183: if (editbrowser == null) {
1184: url += 'launch=1&';
1185: }
1186: url += 'catalogmode=interactive&';
1187: url += 'mode=parmset&';
1188: url += 'form=' + formname + '&';
1189: if (only != null) {
1190: url += 'only=' + only + '&';
1191: }
1192: if (omit != null) {
1193: url += 'omit=' + omit + '&';
1194: }
1195: url += 'element=' + elementname + '';
1196: var title = 'Browser';
1197: var options = 'scrollbars=1,resizable=1,menubar=0';
1198: options += ',width=700,height=600';
1199: editbrowser = open(url,title,options,'1');
1200: editbrowser.focus();
1201: }
1202: </script>
1203: ENDPART
1204:
1205: my $start_page = &Apache::loncommon::start_page('Preparing Printout',$js);
1206: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1207:
1208:
1209:
1210: $r->print($start_page."\n<p>\n$msg\n</p>\n");
1211:
1212: # fetch the pagebreaks and store them in the course environment
1213: # The page breaks will be pulled into the hash %page_breaks which is
1214: # indexed by symb and contains 1's for each break.
1215:
1216: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1217: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1218: &Apache::loncommon::store_course_settings('print',
1219: {'pagebreaks' => 'scalar',
1220: 'lastprinttype' => 'scalar'});
1221:
1222: my %page_breaks = &get_page_breaks($helper);
1223:
1224: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1225: my ($result,$selectionmade) = ('','');
1226: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1227: my @temporary_array=split /\|/,$format_from_helper;
1228: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1229: if ($laystyle eq 'L') {
1230: $laystyle='album';
1231: } else {
1232: $laystyle='book';
1233: }
1234: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1235: my $assignment = $env{'form.assignment'};
1236: my $LaTeXwidth=&recalcto_mm($textwidth);
1237: my @print_array=();
1238: my @student_names=();
1239:
1240: # Common settings for the %form has:
1241: # In some cases these settings get overriddent by specific cases, but the
1242: # settings are common enough to make it worthwhile factoring them out
1243: # here.
1244: #
1245: my %form;
1246: $form{'grade_target'} = 'tex';
1247: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1248:
1249: # If form.showallfoils is set, then request all foils be shown:
1250: # privilege will be enforced both by not allowing the
1251: # check box selecting this option to be presnt unless it's ok,
1252: # and by lonresponse's priv. check.
1253: # The if is here because lonresponse.pm only cares that
1254: # showallfoils is defined, not what the value is.
1255:
1256: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1257: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1258: }
1259:
1260: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1261:
1262: #-- single document - problem, page, html, xml, ...
1263: my ($currentURL,$cleanURL);
1264:
1265: if ($helper->{'VARS'}->{'construction'} ne '1') {
1266: #prints published resource
1267: $currentURL=$helper->{'VARS'}->{'postdata'};
1268: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1269: } else {
1270: #prints resource from the construction space
1271: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1272: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1273: $cleanURL=$currentURL;
1274: }
1275: $selectionmade = 1;
1276: if ($cleanURL!~m|^/adm/|
1277: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1278: my $rndseed=time;
1279: my $texversion='';
1280: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1281: my %moreenv;
1282: $moreenv{'request.filename'}=$cleanURL;
1283: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1284: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1285: my $dom = $env{'user.domain'};
1286: my $user = $env{'user.name'};
1287: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1288: }
1289: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1290: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1291: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1292: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1293: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1294: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1295: if ($helper->{'VARS'}->{'curseed'}) {
1296: $rndseed=$helper->{'VARS'}->{'curseed'};
1297: }
1298: $form{'rndseed'}=$rndseed;
1299: &Apache::lonnet::appenv(%moreenv);
1300:
1301: &Apache::lonxml::clear_problem_counter();
1302:
1303: $resources_printed .= $currentURL.':';
1304: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1305:
1306: &Apache::lonxml::clear_problem_counter();
1307:
1308: &Apache::lonnet::delenv('request.filename');
1309: }
1310: # current document with answers.. no need to encap in minipage
1311: # since there's only one answer.
1312:
1313: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1314: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1315: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1316: $form{'grade_target'}='answer';
1317: $form{'answer_output_mode'}='tex';
1318: $form{'rndseed'}=$rndseed;
1319: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1320: $form{'problemtype'}='exam';
1321: }
1322: $resources_printed .= $currentURL.':';
1323: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1324: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1325: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1326: } else {
1327: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1328: if ($helper->{'VARS'}->{'construction'} ne '1') {
1329: my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
1330: $title = &Apache::lonxml::latex_special_symbols($title);
1331: $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1332: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1333: } else {
1334: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1335: my $URLpath=$cleanURL;
1336: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1337: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1338: }
1339: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1340: }
1341: }
1342: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1343: $texversion=&IndexCreation($texversion,$currentURL);
1344: }
1345: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1346: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1347:
1348: }
1349: $result .= $texversion;
1350: if ($currentURL=~m/\.page\s*$/) {
1351: ($result,$number_of_columns) = &page_cleanup($result);
1352: }
1353: } elsif ($cleanURL!~m|^/adm/|
1354: && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1355: #printing content of sequence from the construction space
1356: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1357: $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1358: $result .= &print_construction_sequence($currentURL, $helper, %form,
1359: $LaTeXwidth);
1360: $result .= '\end{document}';
1361: if (!($result =~ /\\begin\{document\}/)) {
1362: $result = &print_latex_header() . $result;
1363: }
1364: # End construction space sequence.
1365: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1366: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1367: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1368: $resources_printed .= $currentURL.':';
1369: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1370: $result .= $texversion;
1371: } else {
1372: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
1373: $helper->{'VARS'}->{'symb'});
1374: }
1375: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1376: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1377: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1378: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1379: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1380: #-- produce an output string
1381: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1382: $selectionmade = 2;
1383: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1384: $selectionmade = 3;
1385: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1386: $selectionmade = 4;
1387: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1388: $selectionmade = 4;
1389: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1390: $selectionmade = 7;
1391: }
1392: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1393: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1394: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1395: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1396: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1397: my $flag_latex_header_remove = 'NO';
1398: my $flag_page_in_sequence = 'NO';
1399: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1400: my $prevassignment='';
1401:
1402: &Apache::lonxml::clear_problem_counter();
1403:
1404: my $pbreakresources = keys %page_breaks;
1405: for (my $i=0;$i<=$#master_seq;$i++) {
1406:
1407: # Note due to document structure, not allowed to put \newpage
1408: # prior to the first resource
1409:
1410: if (defined $page_breaks{$master_seq[$i]}) {
1411: if($i != 0) {
1412: $result.="\\newpage\n";
1413: }
1414: }
1415: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1416: $urlp=&Apache::lonnet::clutter($urlp);
1417: $form{'symb'}=$master_seq[$i];
1418:
1419: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1420: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1421: if ($i==0) {$prevassignment=$assignment;}
1422: my $texversion='';
1423: if ($urlp!~m|^/adm/|
1424: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1425: $resources_printed .= $urlp.':';
1426:
1427: &Apache::lonxml::remember_problem_counter();
1428: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1429: if ($urlp=~/\.page$/) {
1430: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1431: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1432: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1433: $flag_page_in_sequence = 'YES';
1434: }
1435:
1436: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1437: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1438: # Don't permanently pervert the %form hash
1439: my %answerform = %form;
1440: $answerform{'grade_target'}='answer';
1441: $answerform{'answer_output_mode'}='tex';
1442: $resources_printed .= $urlp.':';
1443:
1444: &Apache::lonxml::restore_problem_counter();
1445: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1446:
1447: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1448: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1449: } else {
1450: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1451: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1452: my $title = &Apache::lonnet::gettitle($master_seq[$i]);
1453: $title = &Apache::lonxml::latex_special_symbols($title);
1454: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1455: $body .= &path_to_problem ($urlp,$LaTeXwidth);
1456: $body .='\vskip 1 mm '.$answer;
1457: $body = &encapsulate_minipage($body);
1458: $texversion .= $body;
1459: } else {
1460: $texversion='';
1461: }
1462: }
1463: }
1464: if ($flag_latex_header_remove ne 'NO') {
1465: $texversion = &latex_header_footer_remove($texversion);
1466: } else {
1467: $texversion =~ s/\\end{document}//;
1468: }
1469: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1470: $texversion=&IndexCreation($texversion,$urlp);
1471: }
1472: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1473: my $name = &get_name();
1474: my $courseidinfo = &get_course();
1475: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1476: $prevassignment=$assignment;
1477: my $header_text = $parmhash{'print_header_format'};
1478: $header_text = &format_page_header($header_text,
1479: $assignment,
1480: $courseidinfo,
1481: $name);
1482: if ($numberofcolumns eq '1') {
1483: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1484: } else {
1485: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1486: }
1487: }
1488: $result .= $texversion;
1489: $flag_latex_header_remove = 'YES';
1490: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1491: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1492: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1493: $resources_printed .= $urlp.':';
1494: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1495: if ($flag_latex_header_remove ne 'NO') {
1496: $texversion = &latex_header_footer_remove($texversion);
1497: } else {
1498: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1499: }
1500: $result .= $texversion;
1501: $flag_latex_header_remove = 'YES';
1502: } else {
1503: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
1504: $master_seq[$i]);
1505: if ($flag_latex_header_remove ne 'NO') {
1506: $texversion = &latex_header_footer_remove($texversion);
1507: } else {
1508: $texversion =~ s/\\end{document}//;
1509: }
1510: $result .= $texversion;
1511: $flag_latex_header_remove = 'YES';
1512: }
1513: if (&Apache::loncommon::connection_aborted($r)) { last; }
1514: }
1515: &Apache::lonxml::clear_problem_counter();
1516: if ($flag_page_in_sequence eq 'YES') {
1517: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1518: }
1519: $result .= '\end{document}';
1520: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1521: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1522:
1523:
1524: #-- prints assignments for whole class or for selected students
1525: my $type;
1526: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1527: $selectionmade=5;
1528: $type='problems';
1529: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1530: $selectionmade=8;
1531: $type='resources';
1532: }
1533: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1534: # The normal sort order is by section then by students within the
1535: # section. If the helper var student_sort is 1, then the user has elected
1536: # to override this and output the students by name.
1537: # Each element of the students array is of the form:
1538: # username:domain:section:last, first:status
1539: #
1540: # Note that student sort is not compatible with printing
1541: # 1 section per pdf...so that setting overrides.
1542: #
1543: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
1544: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1545: @students = sort compare_names @students;
1546: }
1547: &adjust_number_to_print($helper);
1548:
1549: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1550: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1551: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1552: }
1553: # If we are splitting on section boundaries, we need
1554: # to remember that in split_on_sections and
1555: # print all of the students in the list.
1556: #
1557: my $split_on_sections = 0;
1558: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
1559: $split_on_sections = 1;
1560: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
1561: }
1562: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1563:
1564: #loop over students
1565: my $flag_latex_header_remove = 'NO';
1566: my %moreenv;
1567: $moreenv{'instructor_comments'}='hide';
1568: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1569: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1570: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1571: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1572: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1573: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1574: my $student_counter=-1;
1575: my $i = 0;
1576: my $last_section = (split(/:/,$students[0]))[2];
1577: foreach my $person (@students) {
1578:
1579: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1580: if (-e $duefile) {
1581: my $temp_file = Apache::File->new('>>'.$duefile);
1582: print $temp_file "1969\n";
1583: }
1584: $student_counter++;
1585: if ($split_on_sections) {
1586: my $this_section = (split(/:/,$person))[2];
1587: if ($this_section ne $last_section) {
1588: $i++;
1589: $last_section = $this_section;
1590: }
1591: } else {
1592: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1593: }
1594: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1595: $person,$type,
1596: \%moreenv,\@master_seq,
1597: $flag_latex_header_remove,
1598: $LaTeXwidth);
1599: $resources_printed .= ":";
1600: $print_array[$i].=$output;
1601: $student_names[$i].=$person.':'.$fullname.'_END_';
1602: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1603: $flag_latex_header_remove = 'YES';
1604: if (&Apache::loncommon::connection_aborted($r)) { last; }
1605: }
1606: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1607: $result .= $print_array[0].' \end{document}';
1608: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1609: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1610: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1611: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1612: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1613: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1614: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1615: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1616: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1617:
1618: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1619: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1620: my ($code_type,$code_length)=('letter',6);
1621: foreach my $line (<FH>) {
1622: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1623: if ($name eq $code_option) {
1624: $code_length=$length;
1625: if ($type eq 'number') { $code_type = 'number'; }
1626: }
1627: }
1628: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1629: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1630: $moreenv{'instructor_comments'}='hide';
1631: my $seed=time+($$<<16)+($$);
1632: my @allcodes;
1633: if ($old_name) {
1634: my %result=&Apache::lonnet::get('CODEs',
1635: [$old_name,"type\0$old_name"],
1636: $cdom,$cnum);
1637: $code_type=$result{"type\0$old_name"};
1638: @allcodes=split(',',$result{$old_name});
1639: $num_todo=scalar(@allcodes);
1640: } elsif ($selected_code) { # Selection value is always numeric.
1641: $num_todo = 1;
1642: @allcodes = ($selected_code);
1643: } elsif ($single_code) {
1644:
1645: $num_todo = 1; # Unconditionally one code to do.
1646: # If an alpha code have to convert to numbers so it can be
1647: # converted back to letters again :-)
1648: #
1649: if ($code_type ne 'number') {
1650: $single_code = &letters_to_num($single_code);
1651: }
1652: @allcodes = ($single_code);
1653: } else {
1654: my %allcodes;
1655: srand($seed);
1656: for (my $i=0;$i<$num_todo;$i++) {
1657: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1658: $code_type);
1659: }
1660: if ($code_name) {
1661: &Apache::lonnet::put('CODEs',
1662: {
1663: $code_name =>join(',',keys(%allcodes)),
1664: "type\0$code_name" => $code_type
1665: },
1666: $cdom,$cnum);
1667: }
1668: @allcodes=keys(%allcodes);
1669: }
1670: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1671: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1672: &adjust_number_to_print($helper);
1673: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1674: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1675: $number_per_page=$num_todo;
1676: }
1677: my $flag_latex_header_remove = 'NO';
1678: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1679: my $count=0;
1680: foreach my $code (sort(@allcodes)) {
1681: my $file_num=int($count/$number_per_page);
1682: if ($code_type eq 'number') {
1683: $moreenv{'CODE'}=$code;
1684: } else {
1685: $moreenv{'CODE'}=&num_to_letters($code);
1686: }
1687: my ($output,$fullname, $printed)=
1688: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1689: \@master_seq,$flag_latex_header_remove,
1690: $LaTeXwidth);
1691: $resources_printed .= ":";
1692: $print_array[$file_num].=$output;
1693: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1694: &mt('last assignment').' '.$fullname);
1695: $flag_latex_header_remove = 'YES';
1696: $count++;
1697: if (&Apache::loncommon::connection_aborted($r)) { last; }
1698: }
1699: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1700: $result .= $print_array[0].' \end{document}';
1701: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1702: #prints selected problems from the subdirectory
1703: $selectionmade = 6;
1704: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1705: @list_of_files=sort @list_of_files;
1706: my $flag_latex_header_remove = 'NO';
1707: my $rndseed=time;
1708: if ($helper->{'VARS'}->{'curseed'}) {
1709: $rndseed=$helper->{'VARS'}->{'curseed'};
1710: }
1711: for (my $i=0;$i<=$#list_of_files;$i++) {
1712: my $urlp = $list_of_files[$i];
1713: $urlp=~s|//|/|;
1714: if ($urlp=~/\//) {
1715: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1716: $form{'rndseed'}=$rndseed;
1717: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1718: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1719: } else {
1720: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1721: }
1722: $resources_printed .= $urlp.':';
1723: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1724: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1725: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1726: # Don't permanently pervert %form:
1727: my %answerform = %form;
1728: $answerform{'grade_target'}='answer';
1729: $answerform{'answer_output_mode'}='tex';
1730: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1731: $answerform{'rndseed'}=$rndseed;
1732: $resources_printed .= $urlp.':';
1733: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1734: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1735: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1736: } else {
1737: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1738: if ($helper->{'VARS'}->{'construction'} ne '1') {
1739: $texversion.='\vskip 0 mm \noindent ';
1740: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1741: } else {
1742: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1743: my $URLpath=$urlp;
1744: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1745: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1746: }
1747: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1748: }
1749: }
1750: #this chunck is responsible for printing the path to problem
1751: my $newurlp=$urlp;
1752: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1753: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1754: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1755: if ($flag_latex_header_remove ne 'NO') {
1756: $texversion = &latex_header_footer_remove($texversion);
1757: } else {
1758: $texversion =~ s/\\end{document}//;
1759: }
1760: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1761: $texversion=&IndexCreation($texversion,$urlp);
1762: }
1763: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1764: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1765:
1766: }
1767: $result .= $texversion;
1768: }
1769: $flag_latex_header_remove = 'YES';
1770: }
1771: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1772: $result .= '\end{document}';
1773: }
1774: #-------------------------------------------------------- corrections for the different page formats
1775: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1776: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
1777: $helper->{'VARS'}->{'ANSWER_TYPE'});
1778: #if ($numberofcolumns == 1) {
1779: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1780: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1781: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1782: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1783: #}
1784:
1785: #-- writing .tex file in prtspool
1786: my $temp_file;
1787: my $identifier = &Apache::loncommon::get_cgi_id();
1788: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1789: if (!($#print_array>0)) {
1790: unless ($temp_file = Apache::File->new('>'.$filename)) {
1791: $r->log_error("Couldn't open $filename for output $!");
1792: return SERVER_ERROR;
1793: }
1794: print $temp_file $result;
1795: my $begin=index($result,'\begin{document}',0);
1796: my $inc=substr($result,0,$begin+16);
1797: } else {
1798: my $begin=index($result,'\begin{document}',0);
1799: my $inc=substr($result,0,$begin+16);
1800: for (my $i=0;$i<=$#print_array;$i++) {
1801: if ($i==0) {
1802: $print_array[$i]=$result;
1803: } else {
1804: $print_array[$i].='\end{document}';
1805: $print_array[$i] =
1806: &latex_corrections($number_of_columns,$print_array[$i],
1807: $selectionmade,
1808: $helper->{'VARS'}->{'ANSWER_TYPE'});
1809:
1810: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1811: substr($print_array[$i],0,$anobegin)='';
1812: $print_array[$i]=$inc.$print_array[$i];
1813: }
1814: my $temp_file;
1815: my $newfilename=$filename;
1816: my $num=$i+1;
1817: $newfilename =~s/\.tex$//;
1818: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1819: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1820: $r->log_error("Couldn't open $newfilename for output $!");
1821: return SERVER_ERROR;
1822: }
1823: print $temp_file $print_array[$i];
1824: }
1825: }
1826: my $student_names='';
1827: if ($#print_array>0) {
1828: for (my $i=0;$i<=$#print_array;$i++) {
1829: $student_names.=$student_names[$i].'_ENDPERSON_';
1830: }
1831: } else {
1832: if ($#student_names>-1) {
1833: $student_names=$student_names[0].'_ENDPERSON_';
1834: } else {
1835: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1836: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1837: $env{'request.course.sec'},$fullname).
1838: '_ENDPERSON_'.'_END_';
1839: }
1840: }
1841:
1842: my $URLback=''; #link to original document
1843: if ($helper->{'VARS'}->{'construction'} ne '1') {
1844: #prints published resource
1845: $URLback=&escape('/adm/flip?postdata=return:');
1846: } else {
1847: #prints resource from the construction space
1848: $URLback='/'.$helper->{'VARS'}->{'filename'};
1849: if ($URLback=~/([^?]+)/) {
1850: $URLback=$1;
1851: $URLback=~s|^/~|/priv/|;
1852: }
1853: }
1854: # logic for now is too complex to trace if this has been defined
1855: # yet.
1856: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1857: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1858: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1859: 'cgi.'.$identifier.'.layout' => $laystyle,
1860: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1861: 'cgi.'.$identifier.'.paper' => $papersize,
1862: 'cgi.'.$identifier.'.selection' => $selectionmade,
1863: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1864: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1865: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1866: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1867: 'cgi.'.$identifier.'.studentnames' => $student_names,
1868: 'cgi.'.$identifier.'.backref' => $URLback,);
1869: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1870: "cgi.$identifier.domain" => $env{'user.domain'},
1871: "cgi.$identifier.courseid" => $cnum,
1872: "cgi.$identifier.coursedom" => $cdom,
1873: "cgi.$identifier.resources" => $resources_printed);
1874:
1875: my $end_page = &Apache::loncommon::end_page();
1876: $r->print(<<FINALEND);
1877: <br />
1878: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1879: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1880: $end_page
1881: FINALEND
1882: }
1883:
1884:
1885: sub get_CODE {
1886: my ($all_codes,$num,$seed,$size,$type)=@_;
1887: my $max='1'.'0'x$size;
1888: my $newcode;
1889: while(1) {
1890: $newcode=sprintf("%0".$size."d",int(rand($max)));
1891: if (!exists($$all_codes{$newcode})) {
1892: $$all_codes{$newcode}=1;
1893: if ($type eq 'number' ) {
1894: return $newcode;
1895: } else {
1896: return &num_to_letters($newcode);
1897: }
1898: }
1899: }
1900: }
1901:
1902: sub print_resources {
1903: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1904: $LaTeXwidth)=@_;
1905: my $current_output = '';
1906: my $printed = '';
1907: my ($username,$userdomain,$usersection) = split /:/,$person;
1908: my $fullname = &get_name($username,$userdomain);
1909: my $namepostfix;
1910: if ($person =~ 'anon') {
1911: $namepostfix="\\\\Name: ";
1912: $fullname = "CODE - ".$moreenv->{'CODE'};
1913: }
1914: # Fullname may have special latex characters that need \ prefixing:
1915: #
1916:
1917: my $i = 0;
1918: #goes through all resources, checks if they are available for
1919: #current student, and produces output
1920:
1921: &Apache::lonxml::clear_problem_counter();
1922: my %page_breaks = &get_page_breaks($helper);
1923: my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1924: #
1925: # end each student with a
1926: # Special that allows the post processor to even out the page
1927: # counts later. Nasty problem this... it would be really
1928: # nice to put the special in as a postscript comment
1929: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
1930: # The special gets passed the \ and dvips puts it in the output file
1931: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
1932: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
1933: #
1934:
1935: foreach my $curresline (@{$master_seq}) {
1936: if (defined $page_breaks{$curresline}) {
1937: if($i != 0) {
1938: $current_output.= "\\newpage\n";
1939: }
1940: }
1941: $i++;
1942: if ( !($type eq 'problems' &&
1943: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1944: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1945: if (&Apache::lonnet::allowed('bre',$res_url)) {
1946: if ($res_url!~m|^ext/|
1947: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1948: $printed .= $curresline.':';
1949:
1950: &Apache::lonxml::remember_problem_counter();
1951:
1952: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1953:
1954: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1955: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1956: # Use a copy of the hash so we don't pervert it on future loop passes.
1957: my %answerenv = %{$moreenv};
1958: $answerenv{'answer_output_mode'}='tex';
1959: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1960:
1961: &Apache::lonxml::restore_problem_counter();
1962:
1963: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1964:
1965: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1966: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1967: } else {
1968:
1969:
1970: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1971: my $title = &Apache::lonnet::gettitle($curresline);
1972: $title = &Apache::lonxml::latex_special_symbols($title);
1973: my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1974: $body .=&path_to_problem($res_url,$LaTeXwidth);
1975: $body .='\vskip 1 mm '.$ansrendered;
1976: $body = &encapsulate_minipage($body);
1977: $rendered = $header.$body;
1978: }
1979: }
1980: if ($remove_latex_header eq 'YES') {
1981: $rendered = &latex_header_footer_remove($rendered);
1982: } else {
1983: $rendered =~ s/\\end{document}//;
1984: }
1985: $current_output .= $rendered;
1986: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1987: $printed .= $curresline.':';
1988: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1989:
1990: if ($remove_latex_header eq 'YES') {
1991: $rendered = &latex_header_footer_remove($rendered);
1992: } else {
1993: $rendered =~ s/\\end{document}//;
1994: }
1995: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1996:
1997: } else {
1998: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1999: if ($remove_latex_header ne 'NO') {
2000: $rendered = &latex_header_footer_remove($rendered);
2001: } else {
2002: $rendered =~ s/\\end{document}//;
2003: }
2004: $current_output .= $rendered;
2005: }
2006: }
2007: $remove_latex_header = 'YES';
2008: }
2009: if (&Apache::loncommon::connection_aborted($r)) { last; }
2010: }
2011: my $courseidinfo = &get_course();
2012: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
2013: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
2014: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
2015: my $header_line =
2016: &format_page_header($parmhash{'print_header_format'},
2017: $currentassignment, $courseidinfo, $fullname);
2018: my $header_start = ($columns_in_format == 1) ? '\lhead'
2019: : '\fancyhead[LO]';
2020: $header_line = $header_start.'{'.$header_line.'}';
2021:
2022: if ($current_output=~/\\documentclass/) {
2023: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
2024: } else {
2025: my $blankpages =
2026: '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
2027:
2028: $current_output = '\strut\vspace*{-6 mm}\\newline'.
2029: ©right_line().' \newpage '.$blankpages.$end_of_student.
2030: '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
2031: $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
2032: }
2033: #
2034: # Close the student bracketing.
2035: #
2036: return ($current_output,$fullname, $printed);
2037:
2038: }
2039:
2040: sub handler {
2041:
2042: my $r = shift;
2043:
2044: &init_perm();
2045:
2046:
2047:
2048: my $helper = printHelper($r);
2049: if (!ref($helper)) {
2050: return $helper;
2051: }
2052:
2053:
2054: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2055:
2056:
2057:
2058:
2059: # If a figure conversion queue file exists for this user.domain
2060: # we delete it since it can only be bad (if it were good, printout.pl
2061: # would have deleted it the last time around.
2062:
2063: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
2064: if(-e $conversion_queuefile) {
2065: unlink $conversion_queuefile;
2066: }
2067: &output_data($r,$helper,\%parmhash);
2068: return OK;
2069: }
2070:
2071: use Apache::lonhelper;
2072:
2073: sub addMessage {
2074: my $text = shift;
2075: my $paramHash = Apache::lonhelper::getParamHash();
2076: $paramHash->{MESSAGE_TEXT} = $text;
2077: Apache::lonhelper::message->new();
2078: }
2079:
2080:
2081:
2082: sub init_perm {
2083: undef(%perm);
2084: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
2085: if (!$perm{'pav'}) {
2086: $perm{'pav'}=&Apache::lonnet::allowed('pav',
2087: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2088: }
2089: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
2090: if (!$perm{'pfo'}) {
2091: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
2092: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2093: }
2094: }
2095:
2096: sub printHelper {
2097: my $r = shift;
2098:
2099: if ($r->header_only) {
2100: if ($env{'browser.mathml'}) {
2101: &Apache::loncommon::content_type($r,'text/xml');
2102: } else {
2103: &Apache::loncommon::content_type($r,'text/html');
2104: }
2105: $r->send_http_header;
2106: return OK;
2107: }
2108:
2109: # Send header, nocache
2110: if ($env{'browser.mathml'}) {
2111: &Apache::loncommon::content_type($r,'text/xml');
2112: } else {
2113: &Apache::loncommon::content_type($r,'text/html');
2114: }
2115: &Apache::loncommon::no_cache($r);
2116: $r->send_http_header;
2117: $r->rflush();
2118:
2119: # Unfortunately, this helper is so complicated we have to
2120: # write it by hand
2121:
2122: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
2123:
2124: my $helper = Apache::lonhelper::helper->new("Printing Helper");
2125: $helper->declareVar('symb');
2126: $helper->declareVar('postdata');
2127: $helper->declareVar('curseed');
2128: $helper->declareVar('probstatus');
2129: $helper->declareVar('filename');
2130: $helper->declareVar('construction');
2131: $helper->declareVar('assignment');
2132: $helper->declareVar('style_file');
2133: $helper->declareVar('student_sort');
2134: $helper->declareVar('FINISHPAGE');
2135: $helper->declareVar('PRINT_TYPE');
2136: $helper->declareVar("showallfoils");
2137:
2138: # The page breaks can get loaded initially from the course environment:
2139: # But we only do this in the initial state so that they are allowed to change.
2140: #
2141:
2142: # $helper->{VARS}->{FINISHPAGE} = '';
2143:
2144: &Apache::loncommon::restore_course_settings('print',
2145: {'pagebreaks' => 'scalar',
2146: 'lastprinttype' => 'scalar'});
2147:
2148:
2149: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
2150: if (!defined ($env{"form.CURRENT_STATE"})) {
2151:
2152: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2153: } else {
2154: my $state = $env{"form.CURRENT_STATE"};
2155: if ($state eq "START") {
2156: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2157: }
2158: }
2159:
2160: }
2161:
2162: # This will persistently load in the data we want from the
2163: # very first screen.
2164: # Detect whether we're coming from construction space
2165: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
2166: $helper->{VARS}->{'filename'} = "~$1/$2";
2167: $helper->{VARS}->{'construction'} = 1;
2168: } elsif ($env{'form.postdata'}) {
2169: if ($env{'form.postdata'}) {
2170: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
2171: }
2172: if ($env{'form.symb'}) {
2173: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2174: }
2175: if ($env{'form.url'}) {
2176: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2177: }
2178:
2179: }
2180: if ($env{'form.symb'}) {
2181: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2182: }
2183: if ($env{'form.url'}) {
2184: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2185:
2186: }
2187: $helper->{VARS}->{'symb'}=
2188: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
2189: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
2190: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
2191:
2192: # Extract map
2193: my $symb = $helper->{VARS}->{'symb'};
2194: my ($map, $id, $url);
2195: my $subdir;
2196:
2197: # Get the resource name from construction space
2198:
2199:
2200: if ($helper->{VARS}->{'construction'}) {
2201: $resourceTitle = substr($helper->{VARS}->{'filename'},
2202: rindex($helper->{VARS}->{'filename'}, '/')+1);
2203: $subdir = substr($helper->{VARS}->{'filename'},
2204: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
2205: } elsif ($env{'form.postdata'} =~ /^\/res\// ) {
2206: $subdir = substr($env{'form.postdata'},
2207: 0, rindex($env{'form.postdata'}, '/') + 1);
2208: } elsif ((defined $helper->{VARS}->{'postdata'}) &&
2209: ($helper->{VARS}->{'postdata'} =~ /^\/res\//)){
2210: $subdir = substr($helper->{VARS}->{'postdata'},
2211: 0, rindex($helper->{VARS}->{'postdata'}, '/') + 1);
2212: } else { # (!$helper->{VARS}->{'postdata'}) {
2213: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
2214: $helper->{VARS}->{'postdata'} =
2215: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
2216: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
2217: my $postdata = $helper->{VARS}->{'postdata'};
2218: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
2219: }
2220: $subdir = &Apache::lonnet::filelocation("", $url);
2221: }
2222: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2223: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2224: }
2225: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2226: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2227: }
2228:
2229: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2230:
2231: &Apache::lonhelper::registerHelperTags();
2232:
2233: # "Delete everything after the last slash."
2234: $subdir =~ s|/[^/]+$||;
2235: if (not $helper->{VARS}->{'construction'}) {
2236: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
2237: }
2238: # "Remove all duplicate slashes."
2239: $subdir =~ s|/+|/|g;
2240:
2241: # What can be printed is a very dynamic decision based on
2242: # lots of factors. So we need to dynamically build this list.
2243: # To prevent security leaks, states are only added to the wizard
2244: # if they can be reached, which ensures manipulating the form input
2245: # won't allow anyone to reach states they shouldn't have permission
2246: # to reach.
2247:
2248: # printChoices is tracking the kind of printing the user can
2249: # do, and will be used in a choices construction later.
2250: # In the meantime we will be adding states and elements to
2251: # the helper by hand.
2252: my $printChoices = [];
2253: my $paramHash;
2254:
2255: if ($resourceTitle) {
2256: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2257: }
2258:
2259: # Useful filter strings
2260: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2261: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2262: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2263: my $isNotMap = '!$res->is_sequence()';
2264: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2265: my $isMap = '$res->is_map()';
2266: my $symbFilter = '$res->shown_symb()';
2267: my $urlValue = '$res->link()';
2268:
2269: $helper->declareVar('SEQUENCE');
2270:
2271: # If we're in a sequence...
2272:
2273: my $start_new_option;
2274: if ($perm{'pav'}) {
2275: $start_new_option =
2276: "<option text='".&mt('Start new page<br />before selected').
2277: "' variable='FINISHPAGE' />";
2278: }
2279:
2280: if (($helper->{'VARS'}->{'construction'} ne '1') &&
2281:
2282: $helper->{VARS}->{'postdata'} &&
2283: ($helper->{VARS}->{'postdata'} !~ /^\/res\//) &&
2284: $helper->{VARS}->{'assignment'}) {
2285: # Allow problems from sequence
2286: push @{$printChoices}, [&mt('Selected <b>Problems</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems', 'CHOOSE_PROBLEMS'];
2287: # Allow all resources from sequence
2288: push @{$printChoices}, [&mt('Selected <b>Resources</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2289:
2290: my $helperFragment = <<HELPERFRAGMENT;
2291: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2292: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2293: closeallpages="1">
2294: <nextstate>PAGESIZE</nextstate>
2295: <filterfunc>return $isProblem;</filterfunc>
2296: <mapurl>$map</mapurl>
2297: <valuefunc>return $symbFilter;</valuefunc>
2298: $start_new_option
2299: </resource>
2300: </state>
2301:
2302: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2303: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2304: closeallpages="1">
2305: <nextstate>PAGESIZE</nextstate>
2306: <filterfunc>return $isNotMap;</filterfunc>
2307: <mapurl>$map</mapurl>
2308: <valuefunc>return $symbFilter;</valuefunc>
2309: $start_new_option
2310: </resource>
2311: </state>
2312: HELPERFRAGMENT
2313:
2314: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2315: }
2316:
2317: # If the user has pfo (print for otheres) allow them to print all
2318: # problems and resources in the entier course, optionally for selected students
2319: if ($perm{'pfo'} &&
2320: $helper->{VARS}->{'postdata'} !~/^\/res\// &&
2321: $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/) {
2322: push @{$printChoices}, ['Selected <b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2323: push @{$printChoices}, ['Selected <b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2324: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2325: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2326: <resource variable="RESOURCES" toponly='0' multichoice="1"
2327: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2328: <nextstate>PAGESIZE</nextstate>
2329: <filterfunc>return $isProblemOrMap;</filterfunc>
2330: <choicefunc>return $isNotMap;</choicefunc>
2331: <valuefunc>return $symbFilter;</valuefunc>
2332: $start_new_option
2333: </resource>
2334: </state>
2335: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2336: <resource variable="RESOURCES" toponly='0' multichoice='1'
2337: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2338: <nextstate>PAGESIZE</nextstate>
2339: <filterfunc>return $isNotMap; </filterfunc>
2340: <valuefunc>return $symbFilter;</valuefunc>
2341: $start_new_option
2342: </resource>
2343: </state>
2344: ALL_PROBLEMS
2345:
2346: if ($helper->{VARS}->{'assignment'}) {
2347: 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'];
2348: 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'];
2349: }
2350:
2351: # resource_selector will hold a few states that:
2352: # - Allow resources to be selected for printing.
2353: # - Determine pagination between assignments.
2354: # - Determine how many assignments should be bundled into a single PDF.
2355: # TODO:
2356: # Probably good to do things like separate this up into several vars, each
2357: # with one state, and use REGEXPs at inclusion time to set state names
2358: # and next states for better mix and match capability
2359: #
2360: my $resource_selector=<<RESOURCE_SELECTOR;
2361: <state name="SELECT_PROBLEMS" title="Select resources to print">
2362: <nextstate>PRINT_FORMATTING</nextstate>
2363: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2364: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2365: closeallpages="1">
2366: <filterfunc>return $isProblem;</filterfunc>
2367: <mapurl>$map</mapurl>
2368: <valuefunc>return $symbFilter;</valuefunc>
2369: $start_new_option
2370: </resource>
2371: </state>
2372: <state name="PRINT_FORMATTING" title="How should results be printed?">
2373: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2374: <choices variable="EMPTY_PAGES">
2375: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2376: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2377: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2378: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2379: </choices>
2380: <nextstate>PAGESIZE</nextstate>
2381: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2382: <choices variable="SPLIT_PDFS">
2383: <choice computer="all">All assignments in a single PDF file</choice>
2384: <choice computer="sections">Each PDF contains exactly one section</choice>
2385: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2386: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2387: Specify the number of assignments per PDF:</choice>
2388: </choices>
2389: </state>
2390: RESOURCE_SELECTOR
2391:
2392: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2393: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2394: <message><b>Select sort order</b> </message>
2395: <choices variable='student_sort'>
2396: <choice computer='0'>Sort by section then student</choice>
2397: <choice computer='1'>Sort by students across sections.</choice>
2398: </choices>
2399: <message><br /><hr /><br /> </message>
2400: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
2401: </state>
2402: $resource_selector
2403: CHOOSE_STUDENTS
2404:
2405: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2406: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2407: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2408: my $namechoice='<choice></choice>';
2409: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2410: if ($name =~ /^error: 2 /) { next; }
2411: if ($name =~ /^type\0/) { next; }
2412: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2413: }
2414:
2415:
2416: my %code_values;
2417: my %codes_to_print;
2418: foreach my $key (@names) {
2419: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2420: foreach my $key (keys(%code_values)) {
2421: $codes_to_print{$key} = 1;
2422: }
2423: }
2424:
2425: my $code_selection;
2426: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
2427: my $choice = $code;
2428: if ($code =~ /^[A-Z]+$/) { # Alpha code
2429: $choice = &letters_to_num($code);
2430: }
2431: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
2432: }
2433: if (%codes_to_print) {
2434: $code_selection .='
2435: <message><b>Choose single CODE from list:</b></message>
2436: <message></td><td></message>
2437: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2438: <choice></choice>
2439: <exec>
2440: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
2441: </exec>
2442: </dropdown>
2443: <message></td></tr><tr><td></message>
2444: '.$/;
2445:
2446: }
2447:
2448:
2449: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2450: my $codechoice='';
2451: foreach my $line (<FH>) {
2452: my ($name,$description,$code_type,$code_length)=
2453: (split(/:/,$line))[0,1,2,4];
2454: if ($code_length > 0 &&
2455: $code_type =~/^(letter|number|-1)/) {
2456: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2457: }
2458: }
2459: if ($codechoice eq '') {
2460: $codechoice='<choice computer="default">Default</choice>';
2461: }
2462: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2463: <state name="CHOOSE_ANON1" title="Specify CODEd Assignments">
2464: <nextstate>SELECT_PROBLEMS</nextstate>
2465: <message><h4>Fill out one of the forms below</h4></message>
2466: <message><br /><hr /> <br /></message>
2467: <message><h3>Generate new CODEd Assignments</h3></message>
2468: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2469: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2470: <validator>
2471: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2472: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2473: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2474: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2475: return "You need to specify the number of assignments to print";
2476: }
2477: return undef;
2478: </validator>
2479: </string>
2480: <message></td></tr><tr><td></message>
2481: <message><b>Names to store the CODEs under for later:</b></message>
2482: <message></td><td></message>
2483: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2484: <message></td></tr><tr><td></message>
2485: <message><b>Bubble sheet type:</b></message>
2486: <message></td><td></message>
2487: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2488: $codechoice
2489: </dropdown>
2490: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
2491: <message></td></tr><tr><td></table></message>
2492: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2493: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2494: <string variable="SINGLE_CODE" size="10">
2495: <validator>
2496: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2497: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2498: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2499: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2500: \$helper->{'VARS'}{'CODE_OPTION'});
2501: } else {
2502: return undef; # Other forces control us.
2503: }
2504: </validator>
2505: </string>
2506: <message></td></tr><tr><td></message>
2507: $code_selection
2508: <message></td></tr></table></message>
2509: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2510: <message><b>Select saved CODEs:</b></message>
2511: <message></td><td></message>
2512: <dropdown variable="REUSE_OLD_CODES">
2513: $namechoice
2514: </dropdown>
2515: <message></td></tr></table></message>
2516: </state>
2517: $resource_selector
2518: CHOOSE_ANON1
2519:
2520:
2521: if ($helper->{VARS}->{'assignment'}) {
2522: 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'];
2523: 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'];
2524: }
2525:
2526:
2527: $resource_selector=<<RESOURCE_SELECTOR;
2528: <state name="SELECT_RESOURCES" title="Select Resources">
2529: <nextstate>PRINT_FORMATTING</nextstate>
2530: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2531: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2532: closeallpages="1">
2533: <filterfunc>return $isNotMap;</filterfunc>
2534: <mapurl>$map</mapurl>
2535: <valuefunc>return $symbFilter;</valuefunc>
2536: $start_new_option
2537: </resource>
2538: </state>
2539: <state name="PRINT_FORMATTING" title="Format of the print job">
2540: <nextstate>NUMBER_PER_PDF</nextstate>
2541: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2542: <choices variable="EMPTY_PAGES">
2543: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2544: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2545: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2546: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2547: </choices>
2548: <nextstate>PAGESIZE</nextstate>
2549: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2550: <choices variable="SPLIT_PDFS">
2551: <choice computer="all">All assignments in a single PDF file</choice>
2552: <choice computer="sections">Each PDF contains exactly one section</choice>
2553: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2554: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2555: Specify the number of assignments per PDF:</choice>
2556: </choices>
2557: </state>
2558: RESOURCE_SELECTOR
2559:
2560: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2561: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2562: <choices variable='student_sort'>
2563: <choice computer='0'>Sort by section then student</choice>
2564: <choice computer='1'>Sort by students across sections.</choice>
2565: </choices>
2566: <message><br /><hr /><br /></message>
2567: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
2568:
2569: </state>
2570: $resource_selector
2571: CHOOSE_STUDENTS1
2572:
2573: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2574: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
2575: <nextstate>SELECT_RESOURCES</nextstate>
2576: <message><h4>Fill out one of the forms below</h4></message>
2577: <message><br /><hr /> <br /></message>
2578: <message><h3>Generate new CODEd Assignments</h3></message>
2579: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2580: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2581: <validator>
2582: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2583: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2584: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2585: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2586: return "You need to specify the number of assignments to print";
2587: }
2588: return undef;
2589: </validator>
2590: </string>
2591: <message></td></tr><tr><td></message>
2592: <message><b>Names to store the CODEs under for later:</b></message>
2593: <message></td><td></message>
2594: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2595: <message></td></tr><tr><td></message>
2596: <message><b>Bubble sheet type:</b></message>
2597: <message></td><td></message>
2598: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2599: $codechoice
2600: </dropdown>
2601: <message></td></tr><tr><td></table></message>
2602: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2603: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2604: <string variable="SINGLE_CODE" size="10">
2605: <validator>
2606: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2607: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2608: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2609: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2610: \$helper->{'VARS'}{'CODE_OPTION'});
2611: } else {
2612: return undef; # Other forces control us.
2613: }
2614: </validator>
2615: </string>
2616: <message></td></tr><tr><td></message>
2617: $code_selection
2618: <message></td></tr></table></message>
2619: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2620: <message><b>Select saved CODEs:</b></message>
2621: <message></td><td></message>
2622: <dropdown variable="REUSE_OLD_CODES">
2623: $namechoice
2624: </dropdown>
2625: <message></td></tr></table></message>
2626: </state>
2627: $resource_selector
2628: CHOOSE_ANON2
2629: }
2630: # FIXME: That RE should come from a library somewhere.
2631: if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and
2632: ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or
2633: defined $helper->{'VARS'}->{'construction'}) and $perm{'pav'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2634: push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$subdir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2635:
2636: my $f = '$filename';
2637: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2638: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2639:
2640: <files variable="FILES" multichoice='1'>
2641: <nextstate>PAGESIZE</nextstate>
2642: <filechoice>return '$subdir';</filechoice>
2643: CHOOSE_FROM_SUBDIR
2644:
2645: # this is broken up because I really want interpolation above,
2646: # and I really DON'T want it below
2647: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2648: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2649: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2650: </filefilter>
2651: </files>
2652: </state>
2653: CHOOSE_FROM_SUBDIR
2654: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2655: }
2656:
2657: # Allow the user to select any sequence in the course, feed it to
2658: # another resource selector for that sequence
2659: if (!$helper->{VARS}->{'construction'} && ($helper->{VARS}->{'postdata'} !~ /^\/res\//)) {
2660: push @$printChoices, ["Selected <b>Resources</b> from <b>selected folder</b> in course",
2661: 'select_sequences', 'CHOOSE_SEQUENCE'];
2662: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2663: #Escape apostrophes and backslashes for Perl
2664: $escapedSequenceName =~ s/\\/\\\\/g;
2665: $escapedSequenceName =~ s/'/\\'/g;
2666: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2667: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2668: <message>Select the sequence to print resources from:</message>
2669: <resource variable="SEQUENCE">
2670: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2671: <filterfunc>return \$res->is_sequence;</filterfunc>
2672: <valuefunc>return $urlValue;</valuefunc>
2673: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2674: </choicefunc>
2675: </resource>
2676: </state>
2677: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2678: <message>(mark desired resources then click "next" button) <br /></message>
2679: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2680: closeallpages="1">
2681: <nextstate>PAGESIZE</nextstate>
2682: <filterfunc>return $isNotMap</filterfunc>
2683: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2684: <valuefunc>return $symbFilter;</valuefunc>
2685: $start_new_option
2686: </resource>
2687: </state>
2688: CHOOSE_FROM_ANY_SEQUENCE
2689: }
2690: # Generate the first state, to select which resources get printed.
2691: Apache::lonhelper::state->new("START", "Select Printing Options:");
2692: $paramHash = Apache::lonhelper::getParamHash();
2693: $paramHash->{MESSAGE_TEXT} = "";
2694: Apache::lonhelper::message->new();
2695: $paramHash = Apache::lonhelper::getParamHash();
2696: $paramHash->{'variable'} = 'PRINT_TYPE';
2697: $paramHash->{CHOICES} = $printChoices;
2698: Apache::lonhelper::choices->new();
2699:
2700: my $startedTable = 0; # have we started an HTML table yet? (need
2701: # to close it later)
2702:
2703: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2704: ($helper->{VARS}->{'construction'} eq '1')) {
2705: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2706: $paramHash = Apache::lonhelper::getParamHash();
2707: $paramHash->{'variable'} = 'ANSWER_TYPE';
2708: $helper->declareVar('ANSWER_TYPE');
2709: $paramHash->{CHOICES} = [
2710: ['Without Answers', 'yes'],
2711: ['With Answers', 'no'],
2712: ['Only Answers', 'only']
2713: ];
2714: Apache::lonhelper::dropdown->new();
2715: addMessage("</td></tr>");
2716: $startedTable = 1;
2717: }
2718:
2719: if ($perm{'pav'}) {
2720: if (!$startedTable) {
2721: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2722: $startedTable = 1;
2723: } else {
2724: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2725: }
2726: $paramHash = Apache::lonhelper::getParamHash();
2727: $paramHash->{'variable'} = 'LATEX_TYPE';
2728: $helper->declareVar('LATEX_TYPE');
2729: if ($helper->{VARS}->{'construction'} eq '1') {
2730: $paramHash->{CHOICES} = [
2731: ['standard LaTeX mode', 'standard'],
2732: ['LaTeX batchmode', 'batchmode'], ];
2733: } else {
2734: $paramHash->{CHOICES} = [
2735: ['LaTeX batchmode', 'batchmode'],
2736: ['standard LaTeX mode', 'standard'] ];
2737: }
2738: Apache::lonhelper::dropdown->new();
2739:
2740: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2741: $paramHash = Apache::lonhelper::getParamHash();
2742: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2743: $helper->declareVar('TABLE_CONTENTS');
2744: $paramHash->{CHOICES} = [
2745: ['No', 'no'],
2746: ['Yes', 'yes'] ];
2747: Apache::lonhelper::dropdown->new();
2748: addMessage("</td></tr>");
2749:
2750: if (not $helper->{VARS}->{'construction'}) {
2751: addMessage("<tr><td align='right'>Print Index: </td><td>");
2752: $paramHash = Apache::lonhelper::getParamHash();
2753: $paramHash->{'variable'} = 'TABLE_INDEX';
2754: $helper->declareVar('TABLE_INDEX');
2755: $paramHash->{CHOICES} = [
2756: ['No', 'no'],
2757: ['Yes', 'yes'] ];
2758: Apache::lonhelper::dropdown->new();
2759: addMessage("</td></tr>");
2760: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2761: $paramHash = Apache::lonhelper::getParamHash();
2762: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2763: $helper->declareVar('PRINT_DISCUSSIONS');
2764: $paramHash->{CHOICES} = [
2765: ['No', 'no'],
2766: ['Yes', 'yes'] ];
2767: Apache::lonhelper::dropdown->new();
2768: addMessage("</td></tr>");
2769:
2770: addMessage("<tr><td align = 'right'> </td><td>");
2771: $paramHash = Apache::lonhelper::getParamHash();
2772: $paramHash->{'multichoice'} = "true";
2773: $paramHash->{'allowempty'} = "true";
2774: $paramHash->{'variable'} = "showallfoils";
2775: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2776: Apache::lonhelper::choices->new();
2777: addMessage("</td></tr>");
2778: }
2779:
2780: if ($helper->{'VARS'}->{'construction'}) {
2781: my $stylevalue=$env{'construct.style'};
2782: my $xmlfrag .= <<"RNDSEED";
2783: <message><tr><td align='right'>Use random seed: </td><td></message>
2784: <string variable="curseed" size="15" maxlength="15">
2785: <defaultvalue>
2786: return $helper->{VARS}->{'curseed'};
2787: </defaultvalue>
2788: </string>
2789: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2790: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
2791: <choices allowempty="1" multichoice="true" variable="showallfoils">
2792: <choice computer="1">Show all foils?</choice>
2793: </choices>
2794: <message></td></tr></message>
2795: RNDSEED
2796: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2797: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2798:
2799: }
2800: }
2801:
2802:
2803:
2804:
2805: if ($startedTable) {
2806: addMessage("</table>");
2807: }
2808:
2809: Apache::lonprintout::page_format_state->new("FORMAT");
2810:
2811: # Generate the PAGESIZE state which will offer the user the margin
2812: # choices if they select one column
2813: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2814: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2815:
2816:
2817: $helper->process();
2818:
2819:
2820: # MANUAL BAILOUT CONDITION:
2821: # If we're in the "final" state, bailout and return to handler
2822: if ($helper->{STATE} eq 'FINAL') {
2823: return $helper;
2824: }
2825:
2826: $r->print($helper->display());
2827: if ($helper->{STATE} eq 'START') {
2828: &recently_generated($r);
2829: }
2830: &Apache::lonhelper::unregisterHelperTags();
2831:
2832: return OK;
2833: }
2834:
2835:
2836: 1;
2837:
2838: package Apache::lonprintout::page_format_state;
2839:
2840: =pod
2841:
2842: =head1 Helper element: page_format_state
2843:
2844: See lonhelper.pm documentation for discussion of the helper framework.
2845:
2846: Apache::lonprintout::page_format_state is an element that gives the
2847: user an opportunity to select the page layout they wish to print
2848: with: Number of columns, portrait/landscape, and paper size. If you
2849: want to change the paper size choices, change the @paperSize array
2850: contents in this package.
2851:
2852: page_format_state is always directly invoked in lonprintout.pm, so there
2853: is no tag interface. You actually pass parameters to the constructor.
2854:
2855: =over 4
2856:
2857: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2858:
2859: =back
2860:
2861: =cut
2862:
2863: use Apache::lonhelper;
2864:
2865: no strict;
2866: @ISA = ("Apache::lonhelper::element");
2867: use strict;
2868: use Apache::lonlocal;
2869: use Apache::lonnet;
2870:
2871: my $maxColumns = 2;
2872: # it'd be nice if these all worked
2873: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2874: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2875: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2876: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2877: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2878: "a4 [210x297 mm]");
2879:
2880: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2881: # Paper type
2882:
2883: sub new {
2884: my $self = Apache::lonhelper::element->new();
2885:
2886: shift;
2887:
2888: $self->{'variable'} = shift;
2889: my $helper = Apache::lonhelper::getHelper();
2890: $helper->declareVar($self->{'variable'});
2891: bless($self);
2892: return $self;
2893: }
2894:
2895: sub render {
2896: my $self = shift;
2897: my $helper = Apache::lonhelper::getHelper();
2898: my $result = '';
2899: my $var = $self->{'variable'};
2900: my $PageLayout=&mt('Page layout');
2901: my $NumberOfColumns=&mt('Number of columns');
2902: my $PaperType=&mt('Paper type');
2903: $result .= <<STATEHTML;
2904:
2905: <hr width="33%" />
2906: <table cellpadding="3">
2907: <tr>
2908: <td align="center"><b>$PageLayout</b></td>
2909: <td align="center"><b>$NumberOfColumns</b></td>
2910: <td align="center"><b>$PaperType</b></td>
2911: </tr>
2912: <tr>
2913: <td>
2914: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2915: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2916: </td>
2917: <td align="center">
2918: <select name="${var}.cols">
2919: STATEHTML
2920:
2921: my $i;
2922: for ($i = 1; $i <= $maxColumns; $i++) {
2923: if ($i == 2) {
2924: $result .= "<option value='$i' selected>$i</option>\n";
2925: } else {
2926: $result .= "<option value='$i'>$i</option>\n";
2927: }
2928: }
2929:
2930: $result .= "</select></td><td>\n";
2931: $result .= "<select name='${var}.paper'>\n";
2932:
2933: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2934: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
2935: $DefaultPaperSize=~s/\s//g;
2936: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2937: $i = 0;
2938: foreach (@paperSize) {
2939: $_=~/(\w+)/;
2940: my $papersize=$1;
2941: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2942: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2943: } else {
2944: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2945: }
2946: $i++;
2947: }
2948: $result .= "</select></td></tr></table>";
2949: return $result;
2950: }
2951:
2952: sub postprocess {
2953: my $self = shift;
2954:
2955: my $var = $self->{'variable'};
2956: my $helper = Apache::lonhelper->getHelper();
2957: $helper->{VARS}->{$var} =
2958: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2959: $env{"form.$var.paper"};
2960: return 1;
2961: }
2962:
2963: 1;
2964:
2965: package Apache::lonprintout::page_size_state;
2966:
2967: =pod
2968:
2969: =head1 Helper element: page_size_state
2970:
2971: See lonhelper.pm documentation for discussion of the helper framework.
2972:
2973: Apache::lonprintout::page_size_state is an element that gives the
2974: user the opportunity to further refine the page settings if they
2975: select a single-column page.
2976:
2977: page_size_state is always directly invoked in lonprintout.pm, so there
2978: is no tag interface. You actually pass parameters to the constructor.
2979:
2980: =over 4
2981:
2982: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2983:
2984: =back
2985:
2986: =cut
2987:
2988: use Apache::lonhelper;
2989: use Apache::lonnet;
2990: no strict;
2991: @ISA = ("Apache::lonhelper::element");
2992: use strict;
2993:
2994:
2995:
2996: sub new {
2997: my $self = Apache::lonhelper::element->new();
2998:
2999: shift; # disturbs me (probably prevents subclassing) but works (drops
3000: # package descriptor)... - Jeremy
3001:
3002: $self->{'variable'} = shift;
3003: my $helper = Apache::lonhelper::getHelper();
3004: $helper->declareVar($self->{'variable'});
3005:
3006: # The variable name of the format element, so we can look into
3007: # $helper->{VARS} to figure out whether the columns are one or two
3008: $self->{'formatvar'} = shift;
3009:
3010:
3011: $self->{NEXTSTATE} = shift;
3012: bless($self);
3013:
3014: return $self;
3015: }
3016:
3017: sub render {
3018: my $self = shift;
3019: my $helper = Apache::lonhelper::getHelper();
3020: my $result = '';
3021: my $var = $self->{'variable'};
3022:
3023:
3024:
3025: if (defined $self->{ERROR_MSG}) {
3026: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
3027: }
3028:
3029: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3030:
3031: # Use format to get sensible defaults for the margins:
3032:
3033:
3034: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3035: ($papersize) = split(/ /, $papersize);
3036:
3037:
3038: if ($laystyle eq 'L') {
3039: $laystyle = 'album';
3040: } else {
3041: $laystyle = 'book';
3042: }
3043:
3044:
3045: my %size;
3046: ($size{'width_and_units'},
3047: $size{'height_and_units'},
3048: $size{'margin_and_units'})=
3049: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3050:
3051: foreach my $dimension ('width','height','margin') {
3052: ($size{$dimension},$size{$dimension.'_unit'}) =
3053: split(/ +/, $size{$dimension.'_and_units'},2);
3054:
3055: foreach my $unit ('cm','in') {
3056: $size{$dimension.'_options'} .= '<option ';
3057: if ($size{$dimension.'_unit'} eq $unit) {
3058: $size{$dimension.'_options'} .= 'selected="selected" ';
3059: }
3060: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
3061: }
3062: }
3063:
3064: # Adjust margin for LaTeX margin: .. requires units == cm or in.
3065:
3066: if ($size{'margin_unit'} eq 'in') {
3067: $size{'margin'} += 1;
3068: } else {
3069: $size{'margin'} += 2.54;
3070: }
3071: $result .= <<ELEMENTHTML;
3072:
3073:
3074:
3075: <p>How should each column be formatted?</p>
3076:
3077: <table cellpadding='3'>
3078: <tr>
3079: <td align='right'><b>Width</b>:</td>
3080: <td align='left'><input type='text' name='$var.width' value="$size{'width'}" size='4' /></td>
3081: <td align='left'>
3082: <select name='$var.widthunit'>
3083: $size{'width_options'}
3084: </select>
3085: </td>
3086: </tr>
3087: <tr>
3088: <td align='right'><b>Height</b>:</td>
3089: <td align='left'><input type='text' name="$var.height" value="$size{'height'}" size='4' /></td>
3090: <td align='left'>
3091: <select name='$var.heightunit'>
3092: $size{'height_options'}
3093: </select>
3094: </td>
3095: </tr>
3096: <tr>
3097: <td align='right'><b>Left margin</b>:</td>
3098: <td align='left'><input type='text' name='$var.lmargin' value="$size{'margin'}" size='4' /></td>
3099: <td align='left'>
3100: <select name='$var.lmarginunit'>
3101: $size{'margin_options'}
3102: </select>
3103: </td>
3104: </tr>
3105: </table>
3106:
3107: <!--<p>Hint: Some instructors like to leave scratch space for the student by
3108: making the width much smaller than the width of the page.</p>-->
3109:
3110: ELEMENTHTML
3111:
3112: return $result;
3113: }
3114:
3115:
3116: sub preprocess {
3117: my $self = shift;
3118: my $helper = Apache::lonhelper::getHelper();
3119:
3120: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3121:
3122: # If the user does not have 'pav' privilege, set default widths and
3123: # on to the next state right away.
3124: #
3125: if (!$perm{'pav'}) {
3126: my $var = $self->{'variable'};
3127: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3128:
3129: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3130: ($papersize) = split(/ /, $papersize);
3131:
3132:
3133: if ($laystyle eq 'L') {
3134: $laystyle = 'album';
3135: } else {
3136: $laystyle = 'book';
3137: }
3138: # Figure out some good defaults for the print out and set them:
3139:
3140: my %size;
3141: ($size{'width'},
3142: $size{'height'},
3143: $size{'lmargin'})=
3144: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3145:
3146: foreach my $dim ('width', 'height', 'lmargin') {
3147: my ($value, $units) = split(/ /, $size{$dim});
3148:
3149: $helper->{VARS}->{"$var.".$dim} = $value;
3150: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
3151:
3152: }
3153:
3154:
3155: # Transition to the next state
3156:
3157: $helper->changeState($self->{NEXTSTATE});
3158: }
3159:
3160: return 1;
3161: }
3162:
3163: sub postprocess {
3164: my $self = shift;
3165:
3166: my $var = $self->{'variable'};
3167: my $helper = Apache::lonhelper->getHelper();
3168: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
3169: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
3170: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
3171: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
3172: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
3173: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
3174:
3175: my $error = '';
3176:
3177: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
3178: # by an optional period, followed by digits, ending the string
3179:
3180: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3181: $error .= "Invalid width; please type only a number.<br />\n";
3182: }
3183: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3184: $error .= "Invalid height; please type only a number.<br />\n";
3185: }
3186: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3187: $error .= "Invalid left margin; please type only a number.<br />\n";
3188: } else {
3189: # Adjust for LaTeX 1.0 inch margin:
3190:
3191: if ($env{"form.${var}.lmarginunit"} eq "in") {
3192: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
3193: } else {
3194: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
3195: }
3196: }
3197:
3198: if (!$error) {
3199: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
3200: return 1;
3201: } else {
3202: $self->{ERROR_MSG} = $error;
3203: return 0;
3204: }
3205: }
3206:
3207:
3208:
3209: __END__
3210:
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