1: #
2: # The LearningOnline Network
3: # Printout
4: #
5: # $Id: lonprintout.pm,v 1.474 2006/08/02 20:49:55 www 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:
831: sub latex_corrections {
832: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
833: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
834: $result =~ s/\$number_of_columns/$number_of_columns/g;
835: if ($selectionmade eq '1' || $answer_mode eq 'only') {
836: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/;
837: } else {
838: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/;
839: }
840: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
841: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
842: #-- LaTeX corrections
843: my $first_comment = index($result,'<!--',0);
844: while ($first_comment != -1) {
845: my $end_comment = index($result,'-->',$first_comment);
846: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
847: $first_comment = index($result,'<!--',$first_comment);
848: }
849: $result =~ s/^\s+$//gm; #remove empty lines
850: #removes more than one empty space
851: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
852: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
853: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
854: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
855: $result =~ s/\\\\\s+\[/ \[/g;
856: #conversion of html characters to LaTeX equivalents
857: if ($result =~ m/&(\w+|#\d+);/) {
858: $result = &character_chart($result);
859: }
860: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
861: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
862: return $result;
863: }
864:
865:
866: sub index_table {
867: my $currentURL = shift;
868: my $insex_string='';
869: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
870: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
871: return $insex_string;
872: }
873:
874:
875: sub IndexCreation {
876: my ($texversion,$currentURL)=@_;
877: my @key_words=split(/,/,&index_table($currentURL));
878: my $chunk='';
879: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
880: if ($st>0) {
881: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
882: $chunk=substr($texversion,0,$st+1);
883: substr($texversion,0,$st+1)=' ';
884: }
885: foreach my $key_word (@key_words) {
886: if ($key_word=~/\S+/) {
887: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
888: }
889: }
890: if ($st>0) {substr($texversion,0,1)=$chunk;}
891: return $texversion;
892: }
893:
894: sub print_latex_header {
895: my $mode=shift;
896: my $output='\documentclass[letterpaper,twoside]{article}\raggedbottom';
897: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
898: $output.='\batchmode';
899: }
900: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
901: '\usepackage{multirow}'."\n".
902: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
903: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
904: '\usepackage{wrapfig}'.
905: '\usepackage{picins}\usepackage{calc}'."\n".
906: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
907: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
908: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
909: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
910: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
911: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
912: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
913: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
914: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
915: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
916: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
917: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
918: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
919: return $output;
920: }
921:
922: sub path_to_problem {
923: my ($urlp,$colwidth)=@_;
924: $urlp=&Apache::lonnet::clutter($urlp);
925:
926: my $newurlp = '';
927: $colwidth=~s/\s*mm\s*$//;
928: #characters average about 2 mm in width
929: if (length($urlp)*2 > $colwidth) {
930: my @elements = split('/',$urlp);
931: my $curlength=0;
932: foreach my $element (@elements) {
933: if ($element eq '') { next; }
934: if ($curlength+(length($element)*2) > $colwidth) {
935: $newurlp .= '|\vskip -1 mm \verb|';
936: $curlength=length($element)*2;
937: } else {
938: $curlength+=length($element)*2;
939: }
940: $newurlp.='/'.$element;
941: }
942: } else {
943: $newurlp=$urlp;
944: }
945: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
946: }
947:
948: sub recalcto_mm {
949: my $textwidth=shift;
950: my $LaTeXwidth;
951: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
952: $LaTeXwidth = $1*10;
953: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
954: $LaTeXwidth = $1;
955: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
956: $LaTeXwidth = $1*25.4;
957: }
958: $LaTeXwidth.=' mm';
959: return $LaTeXwidth;
960: }
961:
962: sub get_textwidth {
963: my ($helper,$LaTeXwidth)=@_;
964: my $textwidth=$LaTeXwidth;
965: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
966: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
967: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
968: $helper->{'VARS'}->{'pagesize.widthunit'});
969: }
970: return $textwidth;
971: }
972:
973:
974: sub unsupported {
975: my ($currentURL,$mode,$symb)=@_;
976: if ($mode ne '') {$mode='\\'.$mode}
977: my $result.= &print_latex_header($mode);
978: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
979: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
980: my $title=&Apache::lonnet::gettitle($symb);
981: $title = &Apache::lonxml::latex_special_symbols($title);
982: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
983: } else {
984: $result.=$currentURL;
985: }
986: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
987: return $result;
988: }
989:
990:
991: #
992: # List of recently generated print files
993: #
994: sub recently_generated {
995: my $r=shift;
996: my $prtspool=$r->dir_config('lonPrtDir');
997: my $zip_result;
998: my $pdf_result;
999: opendir(DIR,$prtspool);
1000:
1001: my @files =
1002: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1003: closedir(DIR);
1004:
1005: @files = sort {
1006: my ($actime) = (stat($prtspool.'/'.$a))[10];
1007: my ($bctime) = (stat($prtspool.'/'.$b))[10];
1008: return $bctime <=> $actime;
1009: } (@files);
1010:
1011: foreach my $filename (@files) {
1012: my ($ext) = ($filename =~ m/(pdf|zip)$/);
1013: my ($cdev,$cino,$cmode,$cnlink,
1014: $cuid,$cgid,$crdev,$csize,
1015: $catime,$cmtime,$cctime,
1016: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1017: my $result="<a href='/prtspool/$filename'>".
1018: &mt('Generated [_1] ([_2] bytes)',
1019: &Apache::lonlocal::locallocaltime($cctime),$csize).
1020: '</a><br />';
1021: if ($ext eq 'pdf') { $pdf_result .= $result; }
1022: if ($ext eq 'zip') { $zip_result .= $result; }
1023: }
1024: if ($zip_result) {
1025: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
1026: .$zip_result);
1027: }
1028: if ($pdf_result) {
1029: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
1030: .$pdf_result);
1031: }
1032: }
1033:
1034: #
1035: # Retrieve the hash of page breaks.
1036: #
1037: # Inputs:
1038: # helper - reference to helper object.
1039: # Outputs
1040: # A reference to a page break hash.
1041: #
1042: #
1043: #use Data::Dumper;
1044: #sub dump_helper_vars {
1045: # my ($helper) = @_;
1046: # my $helpervars = Dumper($helper->{'VARS'});
1047: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
1048: #}
1049:
1050: sub get_page_breaks {
1051: my ($helper) = @_;
1052: my %page_breaks;
1053:
1054: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1055: $page_breaks{$break} = 1;
1056: }
1057: return %page_breaks;
1058: }
1059:
1060: # Output a sequence (recursively if neeed)
1061: # from construction space.
1062: # Parameters:
1063: # url = URL of the sequence to print.
1064: # helper - Reference to the helper hash.
1065: # form - Copy of the format hash.
1066: # LaTeXWidth
1067: # Returns:
1068: # Text to add to the printout.
1069: # NOTE if the first element of the outermost sequence
1070: # is itself a sequence, the outermost caller may need to
1071: # prefix the latex with the page headers stuff.
1072: #
1073: sub print_construction_sequence {
1074: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1075: my $result;
1076: my $rndseed=time;
1077: if ($helper->{'VARS'}->{'curseed'}) {
1078: $rndseed=$helper->{'VARS'}->{'curseed'};
1079: }
1080: my $errtext=&Apache::lonratedt::mapread($currentURL);
1081: #
1082: # These make this all support recursing for subsequences.
1083: #
1084: my @order = @Apache::lonratedt::order;
1085: my @resources = @Apache::lonratedt::resources;
1086: for (my $member=0;$member<=$#order;$member++) {
1087: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
1088: my $urlp=$2;
1089: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1090: my $texversion='';
1091: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1092: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1093: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1094: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1095: $form{'rndseed'}=$rndseed;
1096: $resources_printed .=$urlp.':';
1097: $texversion=&Apache::lonnet::ssi($urlp,%form);
1098: }
1099: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1100: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1101: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1102: # Don't permanently modify %$form...
1103: my %answerform = %form;
1104: $answerform{'grade_target'}='answer';
1105: $answerform{'answer_output_mode'}='tex';
1106: $answerform{'rndseed'}=$rndseed;
1107: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1108: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1109: $resources_printed .= $urlp.':';
1110: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1111: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1112: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1113: } else {
1114: # If necessary, encapsulate answer in minipage:
1115:
1116: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1117: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1118: $body.=&path_to_problem($urlp,$LaTeXwidth);
1119: $body.='\vskip 1 mm '.$answer.'\end{document}';
1120: $body = &encapsulate_minipage($body);
1121: $texversion.=$body;
1122: }
1123: }
1124: $texversion = &latex_header_footer_remove($texversion);
1125:
1126: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1127: $texversion=&IndexCreation($texversion,$urlp);
1128: }
1129: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1130: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1131: }
1132: $result.=$texversion;
1133:
1134: } elsif ($urlp=~/\.(sequence|page)$/) {
1135:
1136: # header:
1137:
1138: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1139:
1140: # IF sequence, recurse:
1141:
1142: if ($urlp =~ /\.sequence$/) {
1143: my $sequence_url = $urlp;
1144: my $domain = $env{'user.domain'}; # Constr. space only on local
1145: my $user = $env{'user.name'};
1146:
1147: $sequence_url =~ s/^\/res\/$domain/\/home/;
1148: $sequence_url =~ s/^(\/home\/$user)/$1\/public_html/;
1149: # $sequence_url =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1150: $result .= &print_construction_sequence($sequence_url,
1151: $helper, %form,
1152: $LaTeXwidth);
1153: }
1154: }
1155: }
1156: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1157: return $result;
1158: }
1159:
1160: sub output_data {
1161: my ($r,$helper,$rparmhash) = @_;
1162: my %parmhash = %$rparmhash;
1163: $resources_printed = '';
1164: my $js = <<ENDPART;
1165: <script type="text/javascript">
1166: var editbrowser;
1167: function openbrowser(formname,elementname,only,omit) {
1168: var url = '/res/?';
1169: if (editbrowser == null) {
1170: url += 'launch=1&';
1171: }
1172: url += 'catalogmode=interactive&';
1173: url += 'mode=parmset&';
1174: url += 'form=' + formname + '&';
1175: if (only != null) {
1176: url += 'only=' + only + '&';
1177: }
1178: if (omit != null) {
1179: url += 'omit=' + omit + '&';
1180: }
1181: url += 'element=' + elementname + '';
1182: var title = 'Browser';
1183: var options = 'scrollbars=1,resizable=1,menubar=0';
1184: options += ',width=700,height=600';
1185: editbrowser = open(url,title,options,'1');
1186: editbrowser.focus();
1187: }
1188: </script>
1189: ENDPART
1190:
1191: my $start_page = &Apache::loncommon::start_page('Preparing Printout',$js);
1192: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1193:
1194: $r->print($start_page."\n<p>\n$msg\n</p>\n");
1195:
1196: # fetch the pagebreaks and store them in the course environment
1197: # The page breaks will be pulled into the hash %page_breaks which is
1198: # indexed by symb and contains 1's for each break.
1199:
1200: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1201: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1202: &Apache::loncommon::store_course_settings('print',
1203: {'pagebreaks' => 'scalar',
1204: 'lastprinttype' => 'scalar'});
1205:
1206: my %page_breaks = &get_page_breaks($helper);
1207:
1208: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1209: my ($result,$selectionmade) = ('','');
1210: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1211: my @temporary_array=split /\|/,$format_from_helper;
1212: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1213: if ($laystyle eq 'L') {
1214: $laystyle='album';
1215: } else {
1216: $laystyle='book';
1217: }
1218: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1219: my $assignment = $env{'form.assignment'};
1220: my $LaTeXwidth=&recalcto_mm($textwidth);
1221: my @print_array=();
1222: my @student_names=();
1223:
1224: # Common settings for the %form has:
1225: # In some cases these settings get overriddent by specific cases, but the
1226: # settings are common enough to make it worthwhile factoring them out
1227: # here.
1228: #
1229: my %form;
1230: $form{'grade_target'} = 'tex';
1231: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1232:
1233: # If form.showallfoils is set, then request all foils be shown:
1234: # privilege will be enforced both by not allowing the
1235: # check box selecting this option to be presnt unless it's ok,
1236: # and by lonresponse's priv. check.
1237: # The if is here because lonresponse.pm only cares that
1238: # showallfoils is defined, not what the value is.
1239:
1240: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1241: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1242: }
1243:
1244: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1245: #-- single document - problem, page, html, xml, ...
1246: my ($currentURL,$cleanURL);
1247:
1248: if ($helper->{'VARS'}->{'construction'} ne '1') {
1249: #prints published resource
1250: $currentURL=$helper->{'VARS'}->{'postdata'};
1251: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1252: } else {
1253: #prints resource from the construction space
1254: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1255: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1256: $cleanURL=$currentURL;
1257: }
1258: $selectionmade = 1;
1259: if ($cleanURL!~m|^/adm/|
1260: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1261: my $rndseed=time;
1262: my $texversion='';
1263: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1264: my %moreenv;
1265: $moreenv{'request.filename'}=$cleanURL;
1266: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1267: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1268: my $dom = $env{'user.domain'};
1269: my $user = $env{'user.name'};
1270: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1271: }
1272: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1273: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1274: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1275: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1276: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1277: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1278: if ($helper->{'VARS'}->{'curseed'}) {
1279: $rndseed=$helper->{'VARS'}->{'curseed'};
1280: }
1281: $form{'rndseed'}=$rndseed;
1282: &Apache::lonnet::appenv(%moreenv);
1283:
1284: &Apache::lonxml::clear_problem_counter();
1285:
1286: $resources_printed .= $currentURL.':';
1287: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1288:
1289: &Apache::lonxml::clear_problem_counter();
1290:
1291: &Apache::lonnet::delenv('request.filename');
1292: }
1293: # current document with answers.. no need to encap in minipage
1294: # since there's only one answer.
1295:
1296: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1297: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1298: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1299: $form{'grade_target'}='answer';
1300: $form{'answer_output_mode'}='tex';
1301: $form{'rndseed'}=$rndseed;
1302: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1303: $form{'problemtype'}='exam';
1304: }
1305: $resources_printed .= $currentURL.':';
1306: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1307: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1308: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1309: } else {
1310: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1311: if ($helper->{'VARS'}->{'construction'} ne '1') {
1312: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1313: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1314: } else {
1315: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1316: my $URLpath=$cleanURL;
1317: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1318: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1319: }
1320: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1321: }
1322: }
1323: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1324: $texversion=&IndexCreation($texversion,$currentURL);
1325: }
1326: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1327: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1328:
1329: }
1330: $result .= $texversion;
1331: if ($currentURL=~m/\.page\s*$/) {
1332: ($result,$number_of_columns) = &page_cleanup($result);
1333: }
1334: } elsif ($cleanURL!~m|^/adm/|
1335: && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1336: #printing content of sequence from the construction space
1337: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1338: $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1339: $result .= &print_construction_sequence($currentURL, $helper, %form,
1340: $LaTeXwidth);
1341: $result .= '\end{document}';
1342: if (!($result =~ /\\begin\{document\}/)) {
1343: $result = &print_latex_header() . $result;
1344: }
1345: # End construction space sequence.
1346: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1347: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1348: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1349: $resources_printed .= $currentURL.':';
1350: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1351: $result .= $texversion;
1352: } else {
1353: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
1354: $helper->{'VARS'}->{'symb'});
1355: }
1356: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1357: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1358: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1359: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1360: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1361: #-- produce an output string
1362: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1363: $selectionmade = 2;
1364: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1365: $selectionmade = 3;
1366: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1367: $selectionmade = 4;
1368: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1369: $selectionmade = 4;
1370: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1371: $selectionmade = 7;
1372: }
1373: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1374: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1375: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1376: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1377: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1378: my $flag_latex_header_remove = 'NO';
1379: my $flag_page_in_sequence = 'NO';
1380: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1381: my $prevassignment='';
1382:
1383: &Apache::lonxml::clear_problem_counter();
1384:
1385: my $pbreakresources = keys %page_breaks;
1386: for (my $i=0;$i<=$#master_seq;$i++) {
1387:
1388: # Note due to document structure, not allowed to put \newpage
1389: # prior to the first resource
1390:
1391: if (defined $page_breaks{$master_seq[$i]}) {
1392: if($i != 0) {
1393: $result.="\\newpage\n";
1394: }
1395: }
1396: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1397: $urlp=&Apache::lonnet::clutter($urlp);
1398: $form{'symb'}=$master_seq[$i];
1399:
1400: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1401: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1402: if ($i==0) {$prevassignment=$assignment;}
1403: my $texversion='';
1404: if ($urlp!~m|^/adm/|
1405: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1406: $resources_printed .= $urlp.':';
1407:
1408: &Apache::lonxml::remember_problem_counter();
1409: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1410: if ($urlp=~/\.page$/) {
1411: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1412: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1413: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1414: $flag_page_in_sequence = 'YES';
1415: }
1416:
1417: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1418: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1419: # Don't permanently pervert the %form hash
1420: my %answerform = %form;
1421: $answerform{'grade_target'}='answer';
1422: $answerform{'answer_output_mode'}='tex';
1423: $resources_printed .= $urlp.':';
1424:
1425: &Apache::lonxml::restore_problem_counter();
1426: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1427:
1428: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1429: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1430: } else {
1431: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1432: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1433: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm ';
1434: $body .= &path_to_problem ($urlp,$LaTeXwidth);
1435: $body .='\vskip 1 mm '.$answer;
1436: $body = &encapsulate_minipage($body);
1437: $texversion .= $body;
1438: } else {
1439: $texversion='';
1440: }
1441: }
1442: }
1443: if ($flag_latex_header_remove ne 'NO') {
1444: $texversion = &latex_header_footer_remove($texversion);
1445: } else {
1446: $texversion =~ s/\\end{document}//;
1447: }
1448: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1449: $texversion=&IndexCreation($texversion,$urlp);
1450: }
1451: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1452: my $name = &get_name();
1453: my $courseidinfo = &get_course();
1454: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1455: $prevassignment=$assignment;
1456: my $header_text = $parmhash{'print_header_format'};
1457: $header_text = &format_page_header($header_text,
1458: $assignment,
1459: $courseidinfo,
1460: $name);
1461: if ($numberofcolumns eq '1') {
1462: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1463: } else {
1464: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1465: }
1466: }
1467: $result .= $texversion;
1468: $flag_latex_header_remove = 'YES';
1469: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1470: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1471: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1472: $resources_printed .= $urlp.':';
1473: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1474: if ($flag_latex_header_remove ne 'NO') {
1475: $texversion = &latex_header_footer_remove($texversion);
1476: } else {
1477: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1478: }
1479: $result .= $texversion;
1480: $flag_latex_header_remove = 'YES';
1481: } else {
1482: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
1483: $master_seq[$i]);
1484: if ($flag_latex_header_remove ne 'NO') {
1485: $texversion = &latex_header_footer_remove($texversion);
1486: } else {
1487: $texversion =~ s/\\end{document}//;
1488: }
1489: $result .= $texversion;
1490: $flag_latex_header_remove = 'YES';
1491: }
1492: if (&Apache::loncommon::connection_aborted($r)) { last; }
1493: }
1494: &Apache::lonxml::clear_problem_counter();
1495: if ($flag_page_in_sequence eq 'YES') {
1496: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1497: }
1498: $result .= '\end{document}';
1499: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1500: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1501:
1502:
1503: #-- prints assignments for whole class or for selected students
1504: my $type;
1505: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1506: $selectionmade=5;
1507: $type='problems';
1508: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1509: $selectionmade=8;
1510: $type='resources';
1511: }
1512: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1513: # The normal sort order is by section then by students within the
1514: # section. If the helper var student_sort is 1, then the user has elected
1515: # to override this and output the students by name.
1516: # Each element of the students array is of the form:
1517: # username:domain:section:last, first:status
1518: #
1519: # Note that student sort is not compatible with printing
1520: # 1 section per pdf...so that setting overrides.
1521: #
1522: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
1523: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1524: @students = sort compare_names @students;
1525: }
1526: &adjust_number_to_print($helper);
1527:
1528: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1529: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1530: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1531: }
1532: # If we are splitting on section boundaries, we need
1533: # to remember that in split_on_sections and
1534: # print all of the students in the list.
1535: #
1536: my $split_on_sections = 0;
1537: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
1538: $split_on_sections = 1;
1539: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
1540: }
1541: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1542:
1543: #loop over students
1544: my $flag_latex_header_remove = 'NO';
1545: my %moreenv;
1546: $moreenv{'instructor_comments'}='hide';
1547: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1548: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1549: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1550: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1551: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1552: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1553: my $student_counter=-1;
1554: my $i = 0;
1555: my $last_section = (split(/:/,$students[0]))[2];
1556: foreach my $person (@students) {
1557:
1558: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1559: if (-e $duefile) {
1560: my $temp_file = Apache::File->new('>>'.$duefile);
1561: print $temp_file "1969\n";
1562: }
1563: $student_counter++;
1564: if ($split_on_sections) {
1565: my $this_section = (split(/:/,$person))[2];
1566: if ($this_section ne $last_section) {
1567: $i++;
1568: $last_section = $this_section;
1569: }
1570: } else {
1571: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1572: }
1573: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1574: $person,$type,
1575: \%moreenv,\@master_seq,
1576: $flag_latex_header_remove,
1577: $LaTeXwidth);
1578: $resources_printed .= ":";
1579: $print_array[$i].=$output;
1580: $student_names[$i].=$person.':'.$fullname.'_END_';
1581: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1582: $flag_latex_header_remove = 'YES';
1583: if (&Apache::loncommon::connection_aborted($r)) { last; }
1584: }
1585: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1586: $result .= $print_array[0].' \end{document}';
1587: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1588: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1589: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1590: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1591: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1592: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1593: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1594: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1595: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1596:
1597: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1598: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1599: my ($code_type,$code_length)=('letter',6);
1600: foreach my $line (<FH>) {
1601: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1602: if ($name eq $code_option) {
1603: $code_length=$length;
1604: if ($type eq 'number') { $code_type = 'number'; }
1605: }
1606: }
1607: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1608: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1609: $moreenv{'instructor_comments'}='hide';
1610: my $seed=time+($$<<16)+($$);
1611: my @allcodes;
1612: if ($old_name) {
1613: my %result=&Apache::lonnet::get('CODEs',
1614: [$old_name,"type\0$old_name"],
1615: $cdom,$cnum);
1616: $code_type=$result{"type\0$old_name"};
1617: @allcodes=split(',',$result{$old_name});
1618: $num_todo=scalar(@allcodes);
1619: } elsif ($selected_code) { # Selection value is always numeric.
1620: $num_todo = 1;
1621: @allcodes = ($selected_code);
1622: } elsif ($single_code) {
1623:
1624: $num_todo = 1; # Unconditionally one code to do.
1625: # If an alpha code have to convert to numbers so it can be
1626: # converted back to letters again :-)
1627: #
1628: if ($code_type ne 'number') {
1629: $single_code = &letters_to_num($single_code);
1630: }
1631: @allcodes = ($single_code);
1632: } else {
1633: my %allcodes;
1634: srand($seed);
1635: for (my $i=0;$i<$num_todo;$i++) {
1636: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1637: $code_type);
1638: }
1639: if ($code_name) {
1640: &Apache::lonnet::put('CODEs',
1641: {
1642: $code_name =>join(',',keys(%allcodes)),
1643: "type\0$code_name" => $code_type
1644: },
1645: $cdom,$cnum);
1646: }
1647: @allcodes=keys(%allcodes);
1648: }
1649: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1650: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1651: &adjust_number_to_print($helper);
1652: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1653: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1654: $number_per_page=$num_todo;
1655: }
1656: my $flag_latex_header_remove = 'NO';
1657: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1658: my $count=0;
1659: foreach my $code (sort(@allcodes)) {
1660: my $file_num=int($count/$number_per_page);
1661: if ($code_type eq 'number') {
1662: $moreenv{'CODE'}=$code;
1663: } else {
1664: $moreenv{'CODE'}=&num_to_letters($code);
1665: }
1666: my ($output,$fullname, $printed)=
1667: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1668: \@master_seq,$flag_latex_header_remove,
1669: $LaTeXwidth);
1670: $resources_printed .= ":";
1671: $print_array[$file_num].=$output;
1672: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1673: &mt('last assignment').' '.$fullname);
1674: $flag_latex_header_remove = 'YES';
1675: $count++;
1676: if (&Apache::loncommon::connection_aborted($r)) { last; }
1677: }
1678: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1679: $result .= $print_array[0].' \end{document}';
1680: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1681: #prints selected problems from the subdirectory
1682: $selectionmade = 6;
1683: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1684: @list_of_files=sort @list_of_files;
1685: my $flag_latex_header_remove = 'NO';
1686: my $rndseed=time;
1687: if ($helper->{'VARS'}->{'curseed'}) {
1688: $rndseed=$helper->{'VARS'}->{'curseed'};
1689: }
1690: for (my $i=0;$i<=$#list_of_files;$i++) {
1691: my $urlp = $list_of_files[$i];
1692: $urlp=~s|//|/|;
1693: if ($urlp=~/\//) {
1694: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1695: $form{'rndseed'}=$rndseed;
1696: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1697: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1698: } else {
1699: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1700: }
1701: $resources_printed .= $urlp.':';
1702: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1703: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1704: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1705: # Don't permanently pervert %form:
1706: my %answerform = %form;
1707: $answerform{'grade_target'}='answer';
1708: $answerform{'answer_output_mode'}='tex';
1709: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1710: $answerform{'rndseed'}=$rndseed;
1711: $resources_printed .= $urlp.':';
1712: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1713: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1714: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1715: } else {
1716: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1717: if ($helper->{'VARS'}->{'construction'} ne '1') {
1718: $texversion.='\vskip 0 mm \noindent ';
1719: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1720: } else {
1721: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1722: my $URLpath=$urlp;
1723: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1724: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1725: }
1726: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1727: }
1728: }
1729: #this chunck is responsible for printing the path to problem
1730: my $newurlp=$urlp;
1731: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1732: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1733: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1734: if ($flag_latex_header_remove ne 'NO') {
1735: $texversion = &latex_header_footer_remove($texversion);
1736: } else {
1737: $texversion =~ s/\\end{document}//;
1738: }
1739: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1740: $texversion=&IndexCreation($texversion,$urlp);
1741: }
1742: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1743: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1744:
1745: }
1746: $result .= $texversion;
1747: }
1748: $flag_latex_header_remove = 'YES';
1749: }
1750: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1751: $result .= '\end{document}';
1752: }
1753: #-------------------------------------------------------- corrections for the different page formats
1754: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1755: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
1756: $helper->{'VARS'}->{'ANSWER_TYPE'});
1757: for (my $i=1;$i<=$#print_array;$i++) {
1758: $print_array[$i] =
1759: &latex_corrections($number_of_columns,$print_array[$i],
1760: $selectionmade,
1761: $helper->{'VARS'}->{'ANSWER_TYPE'});
1762: }
1763: #if ($numberofcolumns == 1) {
1764: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1765: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1766: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1767: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1768: #}
1769:
1770: #-- writing .tex file in prtspool
1771: my $temp_file;
1772: my $identifier = &Apache::loncommon::get_cgi_id();
1773: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1774: if (!($#print_array>0)) {
1775: unless ($temp_file = Apache::File->new('>'.$filename)) {
1776: $r->log_error("Couldn't open $filename for output $!");
1777: return SERVER_ERROR;
1778: }
1779: print $temp_file $result;
1780: my $begin=index($result,'\begin{document}',0);
1781: my $inc=substr($result,0,$begin+16);
1782: } else {
1783: my $begin=index($result,'\begin{document}',0);
1784: my $inc=substr($result,0,$begin+16);
1785: for (my $i=0;$i<=$#print_array;$i++) {
1786: if ($i==0) {
1787: $print_array[$i]=$result;
1788: } else {
1789: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1790: substr($print_array[$i],0,$anobegin)='';
1791: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1792: }
1793: my $temp_file;
1794: my $newfilename=$filename;
1795: my $num=$i+1;
1796: $newfilename =~s/\.tex$//;
1797: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1798: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1799: $r->log_error("Couldn't open $newfilename for output $!");
1800: return SERVER_ERROR;
1801: }
1802: print $temp_file $print_array[$i];
1803: }
1804: }
1805: my $student_names='';
1806: if ($#print_array>0) {
1807: for (my $i=0;$i<=$#print_array;$i++) {
1808: $student_names.=$student_names[$i].'_ENDPERSON_';
1809: }
1810: } else {
1811: if ($#student_names>-1) {
1812: $student_names=$student_names[0].'_ENDPERSON_';
1813: } else {
1814: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1815: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1816: $env{'request.course.sec'},$fullname).
1817: '_ENDPERSON_'.'_END_';
1818: }
1819: }
1820:
1821: my $URLback=''; #link to original document
1822: if ($helper->{'VARS'}->{'construction'} ne '1') {
1823: #prints published resource
1824: $URLback=&escape('/adm/flip?postdata=return:');
1825: } else {
1826: #prints resource from the construction space
1827: $URLback='/'.$helper->{'VARS'}->{'filename'};
1828: if ($URLback=~/([^?]+)/) {
1829: $URLback=$1;
1830: $URLback=~s|^/~|/priv/|;
1831: }
1832: }
1833: # logic for now is too complex to trace if this has been defined
1834: # yet.
1835: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1836: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1837: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1838: 'cgi.'.$identifier.'.layout' => $laystyle,
1839: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1840: 'cgi.'.$identifier.'.paper' => $papersize,
1841: 'cgi.'.$identifier.'.selection' => $selectionmade,
1842: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1843: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1844: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1845: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1846: 'cgi.'.$identifier.'.studentnames' => $student_names,
1847: 'cgi.'.$identifier.'.backref' => $URLback,);
1848: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1849: "cgi.$identifier.domain" => $env{'user.domain'},
1850: "cgi.$identifier.courseid" => $cnum,
1851: "cgi.$identifier.coursedom" => $cdom,
1852: "cgi.$identifier.resources" => $resources_printed);
1853:
1854: my $end_page = &Apache::loncommon::end_page();
1855: $r->print(<<FINALEND);
1856: <br />
1857: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1858: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1859: $end_page
1860: FINALEND
1861: }
1862:
1863:
1864: sub get_CODE {
1865: my ($all_codes,$num,$seed,$size,$type)=@_;
1866: my $max='1'.'0'x$size;
1867: my $newcode;
1868: while(1) {
1869: $newcode=sprintf("%0".$size."d",int(rand($max)));
1870: if (!exists($$all_codes{$newcode})) {
1871: $$all_codes{$newcode}=1;
1872: if ($type eq 'number' ) {
1873: return $newcode;
1874: } else {
1875: return &num_to_letters($newcode);
1876: }
1877: }
1878: }
1879: }
1880:
1881: sub print_resources {
1882: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1883: $LaTeXwidth)=@_;
1884: my $current_output = '';
1885: my $printed = '';
1886: my ($username,$userdomain,$usersection) = split /:/,$person;
1887: my $fullname = &get_name($username,$userdomain);
1888: my $namepostfix;
1889: if ($person =~ 'anon') {
1890: $namepostfix="\\\\Name: ";
1891: $fullname = "CODE - ".$moreenv->{'CODE'};
1892: }
1893: # Fullname may have special latex characters that need \ prefixing:
1894: #
1895:
1896: my $i = 0;
1897: #goes through all resources, checks if they are available for
1898: #current student, and produces output
1899:
1900: &Apache::lonxml::clear_problem_counter();
1901: my %page_breaks = &get_page_breaks($helper);
1902: my @format_array = split(/\|/,$helper->{'VARS'}->{'FORMAT'});
1903: my $columns_in_format = $format_array[1];
1904: #
1905: # end each student with a
1906: # Special that allows the post processor to even out the page
1907: # counts later. Nasty problem this... it would be really
1908: # nice to put the special in as a postscript comment
1909: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
1910: # The special gets passed the \ and dvips puts it in the output file
1911: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
1912: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
1913: #
1914:
1915: foreach my $curresline (@{$master_seq}) {
1916: if (defined $page_breaks{$curresline}) {
1917: if($i != 0) {
1918: $current_output.= "\\newpage\n";
1919: }
1920: }
1921: $i++;
1922: if ( !($type eq 'problems' &&
1923: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1924: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1925: if (&Apache::lonnet::allowed('bre',$res_url)) {
1926: if ($res_url!~m|^ext/|
1927: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1928: $printed .= $curresline.':';
1929:
1930: &Apache::lonxml::remember_problem_counter();
1931:
1932: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1933:
1934: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1935: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1936: # Use a copy of the hash so we don't pervert it on future loop passes.
1937: my %answerenv = %{$moreenv};
1938: $answerenv{'answer_output_mode'}='tex';
1939: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1940:
1941: &Apache::lonxml::restore_problem_counter();
1942:
1943: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1944:
1945: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1946: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1947: } else {
1948:
1949:
1950: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1951: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1952: $body .=&path_to_problem($res_url,$LaTeXwidth);
1953: $body .='\vskip 1 mm '.$ansrendered;
1954: $body = &encapsulate_minipage($body);
1955: $rendered = $header.$body;
1956: }
1957: }
1958: if ($remove_latex_header eq 'YES') {
1959: $rendered = &latex_header_footer_remove($rendered);
1960: } else {
1961: $rendered =~ s/\\end{document}//;
1962: }
1963: $current_output .= $rendered;
1964: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1965: $printed .= $curresline.':';
1966: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1967:
1968: if ($remove_latex_header eq 'YES') {
1969: $rendered = &latex_header_footer_remove($rendered);
1970: } else {
1971: $rendered =~ s/\\end{document}//;
1972: }
1973: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1974:
1975: } else {
1976: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1977: if ($remove_latex_header ne 'NO') {
1978: $rendered = &latex_header_footer_remove($rendered);
1979: } else {
1980: $rendered =~ s/\\end{document}//;
1981: }
1982: $current_output .= $rendered;
1983: }
1984: }
1985: $remove_latex_header = 'YES';
1986: }
1987: if (&Apache::loncommon::connection_aborted($r)) { last; }
1988: }
1989: my $courseidinfo = &get_course();
1990: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1991: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1992: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1993: my $HeaderLine = $parmhash{'print_header_format'};
1994: $HeaderLine = format_page_header($HeaderLine, $currentassignment, $courseidinfo, $fullname);
1995: if ($current_output=~/\\documentclass/) {
1996: if ($columns_in_format == 1) {
1997: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{$HeaderLine$namepostfix}}\\vskip 5 mm /;
1998: } else {
1999: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fancyhead[LO]{$HeaderLine$namepostfix}}\\vskip 5 mm /;
2000:
2001: }
2002: } else {
2003: my $blankpages = '';
2004: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
2005: if ($columns_in_format == 1) {
2006: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$HeaderLine.'}'.$namepostfix.'} \vskip 5 mm '.$current_output;
2007: } else {
2008: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$HeaderLine.'}'.$namepostfix.'} \vskip 5 mm '.$current_output;
2009: }
2010: }
2011: #
2012: # Close the student bracketing.
2013: #
2014: $current_output .= "\n\\special{ps:ENDOFSTUDENTSTAMP}\n";
2015: return ($current_output,$fullname, $printed);
2016:
2017: }
2018:
2019: sub handler {
2020:
2021: my $r = shift;
2022:
2023: &init_perm();
2024:
2025:
2026:
2027: my $helper = printHelper($r);
2028: if (!ref($helper)) {
2029: return $helper;
2030: }
2031:
2032:
2033: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2034:
2035:
2036:
2037:
2038: # If a figure conversion queue file exists for this user.domain
2039: # we delete it since it can only be bad (if it were good, printout.pl
2040: # would have deleted it the last time around.
2041:
2042: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
2043: if(-e $conversion_queuefile) {
2044: unlink $conversion_queuefile;
2045: }
2046: &output_data($r,$helper,\%parmhash);
2047: return OK;
2048: }
2049:
2050: use Apache::lonhelper;
2051:
2052: sub addMessage {
2053: my $text = shift;
2054: my $paramHash = Apache::lonhelper::getParamHash();
2055: $paramHash->{MESSAGE_TEXT} = $text;
2056: Apache::lonhelper::message->new();
2057: }
2058:
2059:
2060:
2061: sub init_perm {
2062: undef(%perm);
2063: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
2064: if (!$perm{'pav'}) {
2065: $perm{'pav'}=&Apache::lonnet::allowed('pav',
2066: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2067: }
2068: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
2069: if (!$perm{'pfo'}) {
2070: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
2071: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2072: }
2073: }
2074:
2075: sub printHelper {
2076: my $r = shift;
2077:
2078: if ($r->header_only) {
2079: if ($env{'browser.mathml'}) {
2080: &Apache::loncommon::content_type($r,'text/xml');
2081: } else {
2082: &Apache::loncommon::content_type($r,'text/html');
2083: }
2084: $r->send_http_header;
2085: return OK;
2086: }
2087:
2088: # Send header, nocache
2089: if ($env{'browser.mathml'}) {
2090: &Apache::loncommon::content_type($r,'text/xml');
2091: } else {
2092: &Apache::loncommon::content_type($r,'text/html');
2093: }
2094: &Apache::loncommon::no_cache($r);
2095: $r->send_http_header;
2096: $r->rflush();
2097:
2098: # Unfortunately, this helper is so complicated we have to
2099: # write it by hand
2100:
2101: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
2102:
2103: my $helper = Apache::lonhelper::helper->new("Printing Helper");
2104: $helper->declareVar('symb');
2105: $helper->declareVar('postdata');
2106: $helper->declareVar('curseed');
2107: $helper->declareVar('probstatus');
2108: $helper->declareVar('filename');
2109: $helper->declareVar('construction');
2110: $helper->declareVar('assignment');
2111: $helper->declareVar('style_file');
2112: $helper->declareVar('student_sort');
2113: $helper->declareVar('FINISHPAGE');
2114: $helper->declareVar('PRINT_TYPE');
2115: $helper->declareVar("showallfoils");
2116:
2117: # The page breaks can get loaded initially from the course environment:
2118: # But we only do this in the initial state so that they are allowed to change.
2119: #
2120:
2121: # $helper->{VARS}->{FINISHPAGE} = '';
2122:
2123: &Apache::loncommon::restore_course_settings('print',
2124: {'pagebreaks' => 'scalar',
2125: 'lastprinttype' => 'scalar'});
2126:
2127:
2128: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
2129: if (!defined ($env{"form.CURRENT_STATE"})) {
2130:
2131: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2132: } else {
2133: my $state = $env{"form.CURRENT_STATE"};
2134: if ($state eq "START") {
2135: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2136: }
2137: }
2138:
2139: }
2140:
2141:
2142: # This will persistently load in the data we want from the
2143: # very first screen.
2144: # Detect whether we're coming from construction space
2145: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
2146: $helper->{VARS}->{'filename'} = "~$1/$2";
2147: $helper->{VARS}->{'construction'} = 1;
2148: } else {
2149: if ($env{'form.postdata'}) {
2150: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
2151: }
2152: if ($env{'form.symb'}) {
2153: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2154: }
2155: if ($env{'form.url'}) {
2156: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2157: }
2158:
2159: }
2160:
2161: if ($env{'form.symb'}) {
2162: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2163: }
2164: if ($env{'form.url'}) {
2165: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2166:
2167: }
2168: $helper->{VARS}->{'symb'}=
2169: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
2170: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
2171: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
2172:
2173:
2174: # Extract map
2175: my $symb = $helper->{VARS}->{'symb'};
2176: my ($map, $id, $url);
2177: my $subdir;
2178:
2179: # Get the resource name from construction space
2180: if ($helper->{VARS}->{'construction'}) {
2181: $resourceTitle = substr($helper->{VARS}->{'filename'},
2182: rindex($helper->{VARS}->{'filename'}, '/')+1);
2183: $subdir = substr($helper->{VARS}->{'filename'},
2184: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
2185: } else {
2186: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
2187: $helper->{VARS}->{'postdata'} =
2188: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
2189:
2190: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
2191: my $postdata = $helper->{VARS}->{'postdata'};
2192: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
2193: }
2194: $subdir = &Apache::lonnet::filelocation("", $url);
2195: }
2196: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2197: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2198: }
2199: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2200: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2201: }
2202:
2203: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2204:
2205: Apache::lonhelper::registerHelperTags();
2206:
2207: # "Delete everything after the last slash."
2208: $subdir =~ s|/[^/]+$||;
2209: if (not $helper->{VARS}->{'construction'}) {
2210: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
2211: }
2212: # "Remove all duplicate slashes."
2213: $subdir =~ s|/+|/|g;
2214:
2215: # What can be printed is a very dynamic decision based on
2216: # lots of factors. So we need to dynamically build this list.
2217: # To prevent security leaks, states are only added to the wizard
2218: # if they can be reached, which ensures manipulating the form input
2219: # won't allow anyone to reach states they shouldn't have permission
2220: # to reach.
2221:
2222: # printChoices is tracking the kind of printing the user can
2223: # do, and will be used in a choices construction later.
2224: # In the meantime we will be adding states and elements to
2225: # the helper by hand.
2226: my $printChoices = [];
2227: my $paramHash;
2228:
2229: if ($resourceTitle) {
2230: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2231: }
2232:
2233: # Useful filter strings
2234: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2235: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2236: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2237: my $isNotMap = '!$res->is_sequence()';
2238: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2239: my $isMap = '$res->is_map()';
2240: my $symbFilter = '$res->shown_symb()';
2241: my $urlValue = '$res->link()';
2242:
2243: $helper->declareVar('SEQUENCE');
2244:
2245: # If we're in a sequence...
2246:
2247: my $start_new_option;
2248: if ($perm{'pav'}) {
2249: $start_new_option =
2250: "<option text='".&mt('Start new page<br />before selected').
2251: "' variable='FINISHPAGE' />";
2252: }
2253:
2254: if (($helper->{'VARS'}->{'construction'} ne '1') &&
2255:
2256: $helper->{VARS}->{'postdata'} &&
2257: $helper->{VARS}->{'assignment'}) {
2258: # Allow problems from sequence
2259: push @{$printChoices}, [&mt('Selected <b>Problems</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems', 'CHOOSE_PROBLEMS'];
2260: # Allow all resources from sequence
2261: push @{$printChoices}, [&mt('Selected <b>Resources</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2262:
2263: my $helperFragment = <<HELPERFRAGMENT;
2264: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2265: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2266: closeallpages="1">
2267: <nextstate>PAGESIZE</nextstate>
2268: <filterfunc>return $isProblem;</filterfunc>
2269: <mapurl>$map</mapurl>
2270: <valuefunc>return $symbFilter;</valuefunc>
2271: $start_new_option
2272: </resource>
2273: </state>
2274:
2275: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2276: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2277: closeallpages="1">
2278: <nextstate>PAGESIZE</nextstate>
2279: <filterfunc>return $isNotMap;</filterfunc>
2280: <mapurl>$map</mapurl>
2281: <valuefunc>return $symbFilter;</valuefunc>
2282: $start_new_option
2283: </resource>
2284: </state>
2285: HELPERFRAGMENT
2286:
2287: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2288: }
2289:
2290: # If the user has pfo (print for otheres) allow them to print all
2291: # problems and resources in the entier course, optionally for selected students
2292: if ($perm{'pfo'} &&
2293: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2294:
2295: push @{$printChoices}, ['Selected <b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2296: push @{$printChoices}, ['Selected <b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2297: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2298: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2299: <resource variable="RESOURCES" toponly='0' multichoice="1"
2300: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2301: <nextstate>PAGESIZE</nextstate>
2302: <filterfunc>return $isProblemOrMap;</filterfunc>
2303: <choicefunc>return $isNotMap;</choicefunc>
2304: <valuefunc>return $symbFilter;</valuefunc>
2305: $start_new_option
2306: </resource>
2307: </state>
2308: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2309: <resource variable="RESOURCES" toponly='0' multichoice='1'
2310: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2311: <nextstate>PAGESIZE</nextstate>
2312: <filterfunc>return $isNotMap; </filterfunc>
2313: <valuefunc>return $symbFilter;</valuefunc>
2314: $start_new_option
2315: </resource>
2316: </state>
2317: ALL_PROBLEMS
2318:
2319: if ($helper->{VARS}->{'assignment'}) {
2320: 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'];
2321: 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'];
2322: }
2323:
2324: # resource_selector will hold a few states that:
2325: # - Allow resources to be selected for printing.
2326: # - Determine pagination between assignments.
2327: # - Determine how many assignments should be bundled into a single PDF.
2328: # TODO:
2329: # Probably good to do things like separate this up into several vars, each
2330: # with one state, and use REGEXPs at inclusion time to set state names
2331: # and next states for better mix and match capability
2332: #
2333: my $resource_selector=<<RESOURCE_SELECTOR;
2334: <state name="SELECT_PROBLEMS" title="Select resources to print">
2335: <nextstate>PRINT_FORMATTING</nextstate>
2336: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2337: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2338: closeallpages="1">
2339: <filterfunc>return $isProblem;</filterfunc>
2340: <mapurl>$map</mapurl>
2341: <valuefunc>return $symbFilter;</valuefunc>
2342: $start_new_option
2343: </resource>
2344: </state>
2345: <state name="PRINT_FORMATTING" title="How should results be printed?">
2346: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2347: <choices variable="EMPTY_PAGES">
2348: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2349: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2350: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2351: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2352: </choices>
2353: <nextstate>PAGESIZE</nextstate>
2354: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2355: <choices variable="SPLIT_PDFS">
2356: <choice computer="all">All assignments in a single PDF file</choice>
2357: <choice computer="sections">Each PDF contains exactly one section</choice>
2358: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2359: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2360: Specify the number of assignments per PDF:</choice>
2361: </choices>
2362: </state>
2363: RESOURCE_SELECTOR
2364:
2365: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2366: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2367: <message><b>Select sort order</b> </message>
2368: <choices variable='student_sort'>
2369: <choice computer='0'>Sort by section then student</choice>
2370: <choice computer='1'>Sort by students across sections.</choice>
2371: </choices>
2372: <message><br /><hr /><br /> </message>
2373: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
2374: </state>
2375: $resource_selector
2376: CHOOSE_STUDENTS
2377:
2378: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2379: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2380: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2381: my $namechoice='<choice></choice>';
2382: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2383: if ($name =~ /^error: 2 /) { next; }
2384: if ($name =~ /^type\0/) { next; }
2385: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2386: }
2387:
2388:
2389: my %code_values;
2390: my %codes_to_print;
2391: foreach my $key (@names) {
2392: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2393: foreach my $key (keys(%code_values)) {
2394: $codes_to_print{$key} = 1;
2395: }
2396: }
2397:
2398: my $code_selection;
2399: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
2400: my $choice = $code;
2401: if ($code =~ /^[A-Z]+$/) { # Alpha code
2402: $choice = &letters_to_num($code);
2403: }
2404: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
2405: }
2406: if (%codes_to_print) {
2407: $code_selection .='
2408: <message><b>Choose single CODE from list:</b></message>
2409: <message></td><td></message>
2410: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2411: <choice></choice>
2412: <exec>
2413: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
2414: </exec>
2415: </dropdown>
2416: <message></td></tr><tr><td></message>
2417: '.$/;
2418:
2419: }
2420:
2421:
2422: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2423: my $codechoice='';
2424: foreach my $line (<FH>) {
2425: my ($name,$description,$code_type,$code_length)=
2426: (split(/:/,$line))[0,1,2,4];
2427: if ($code_length > 0 &&
2428: $code_type =~/^(letter|number|-1)/) {
2429: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2430: }
2431: }
2432: if ($codechoice eq '') {
2433: $codechoice='<choice computer="default">Default</choice>';
2434: }
2435: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2436: <state name="CHOOSE_ANON1" title="Specify CODEd Assignments">
2437: <nextstate>SELECT_PROBLEMS</nextstate>
2438: <message><h4>Fill out one of the forms below</h4></message>
2439: <message><br /><hr /> <br /></message>
2440: <message><h3>Generate new CODEd Assignments</h3></message>
2441: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2442: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2443: <validator>
2444: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2445: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2446: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2447: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2448: return "You need to specify the number of assignments to print";
2449: }
2450: return undef;
2451: </validator>
2452: </string>
2453: <message></td></tr><tr><td></message>
2454: <message><b>Names to store the CODEs under for later:</b></message>
2455: <message></td><td></message>
2456: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2457: <message></td></tr><tr><td></message>
2458: <message><b>Bubble sheet type:</b></message>
2459: <message></td><td></message>
2460: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2461: $codechoice
2462: </dropdown>
2463: <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
2464: <message></td></tr><tr><td></table></message>
2465: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2466: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2467: <string variable="SINGLE_CODE" size="10">
2468: <validator>
2469: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2470: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2471: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2472: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2473: \$helper->{'VARS'}{'CODE_OPTION'});
2474: } else {
2475: return undef; # Other forces control us.
2476: }
2477: </validator>
2478: </string>
2479: <message></td></tr><tr><td></message>
2480: $code_selection
2481: <message></td></tr></table></message>
2482: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2483: <message><b>Select saved CODEs:</b></message>
2484: <message></td><td></message>
2485: <dropdown variable="REUSE_OLD_CODES">
2486: $namechoice
2487: </dropdown>
2488: <message></td></tr></table></message>
2489: </state>
2490: $resource_selector
2491: CHOOSE_ANON1
2492:
2493:
2494: if ($helper->{VARS}->{'assignment'}) {
2495: 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'];
2496: 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'];
2497: }
2498:
2499:
2500: $resource_selector=<<RESOURCE_SELECTOR;
2501: <state name="SELECT_RESOURCES" title="Select Resources">
2502: <nextstate>PRINT_FORMATTING</nextstate>
2503: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2504: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2505: closeallpages="1">
2506: <filterfunc>return $isNotMap;</filterfunc>
2507: <mapurl>$map</mapurl>
2508: <valuefunc>return $symbFilter;</valuefunc>
2509: $start_new_option
2510: </resource>
2511: </state>
2512: <state name="PRINT_FORMATTING" title="Format of the print job">
2513: <nextstate>NUMBER_PER_PDF</nextstate>
2514: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2515: <choices variable="EMPTY_PAGES">
2516: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2517: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2518: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2519: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2520: </choices>
2521: <nextstate>PAGESIZE</nextstate>
2522: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2523: <choices variable="SPLIT_PDFS">
2524: <choice computer="all">All assignments in a single PDF file</choice>
2525: <choice computer="sections">Each PDF contains exactly one section</choice>
2526: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2527: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2528: Specify the number of assignments per PDF:</choice>
2529: </choices>
2530: </state>
2531: RESOURCE_SELECTOR
2532:
2533: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2534: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2535: <choices variable='student_sort'>
2536: <choice computer='0'>Sort by section then student</choice>
2537: <choice computer='1'>Sort by students across sections.</choice>
2538: </choices>
2539: <message><br /><hr /><br /></message>
2540: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
2541:
2542: </state>
2543: $resource_selector
2544: CHOOSE_STUDENTS1
2545:
2546: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2547: <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
2548: <nextstate>SELECT_RESOURCES</nextstate>
2549: <message><h4>Fill out one of the forms below</h4></message>
2550: <message><br /><hr /> <br /></message>
2551: <message><h3>Generate new CODEd Assignments</h3></message>
2552: <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
2553: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2554: <validator>
2555: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2556: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2557: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2558: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2559: return "You need to specify the number of assignments to print";
2560: }
2561: return undef;
2562: </validator>
2563: </string>
2564: <message></td></tr><tr><td></message>
2565: <message><b>Names to store the CODEs under for later:</b></message>
2566: <message></td><td></message>
2567: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2568: <message></td></tr><tr><td></message>
2569: <message><b>Bubble sheet type:</b></message>
2570: <message></td><td></message>
2571: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2572: $codechoice
2573: </dropdown>
2574: <message></td></tr><tr><td></table></message>
2575: <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
2576: <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
2577: <string variable="SINGLE_CODE" size="10">
2578: <validator>
2579: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2580: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2581: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2582: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2583: \$helper->{'VARS'}{'CODE_OPTION'});
2584: } else {
2585: return undef; # Other forces control us.
2586: }
2587: </validator>
2588: </string>
2589: <message></td></tr><tr><td></message>
2590: $code_selection
2591: <message></td></tr></table></message>
2592: <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
2593: <message><b>Select saved CODEs:</b></message>
2594: <message></td><td></message>
2595: <dropdown variable="REUSE_OLD_CODES">
2596: $namechoice
2597: </dropdown>
2598: <message></td></tr></table></message>
2599: </state>
2600: $resource_selector
2601: CHOOSE_ANON2
2602: }
2603:
2604: # FIXME: That RE should come from a library somewhere.
2605: if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $perm{'pav'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2606: push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$subdir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2607:
2608: my $f = '$filename';
2609: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2610: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2611:
2612: <files variable="FILES" multichoice='1'>
2613: <nextstate>PAGESIZE</nextstate>
2614: <filechoice>return '$subdir';</filechoice>
2615: CHOOSE_FROM_SUBDIR
2616:
2617: # this is broken up because I really want interpolation above,
2618: # and I really DON'T want it below
2619: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2620: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2621: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2622: </filefilter>
2623: </files>
2624: </state>
2625: CHOOSE_FROM_SUBDIR
2626: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2627: }
2628:
2629: # Allow the user to select any sequence in the course, feed it to
2630: # another resource selector for that sequence
2631: if (!$helper->{VARS}->{'construction'}) {
2632: push @$printChoices, ["Selected <b>Resources</b> from <b>selected folder</b> in course",
2633: 'select_sequences', 'CHOOSE_SEQUENCE'];
2634: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2635: #Escape apostrophes and backslashes for Perl
2636: $escapedSequenceName =~ s/\\/\\\\/g;
2637: $escapedSequenceName =~ s/'/\\'/g;
2638: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2639: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2640: <message>Select the sequence to print resources from:</message>
2641: <resource variable="SEQUENCE">
2642: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2643: <filterfunc>return \$res->is_sequence;</filterfunc>
2644: <valuefunc>return $urlValue;</valuefunc>
2645: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2646: </choicefunc>
2647: </resource>
2648: </state>
2649: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2650: <message>(mark desired resources then click "next" button) <br /></message>
2651: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2652: closeallpages="1">
2653: <nextstate>PAGESIZE</nextstate>
2654: <filterfunc>return $isNotMap</filterfunc>
2655: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2656: <valuefunc>return $symbFilter;</valuefunc>
2657: $start_new_option
2658: </resource>
2659: </state>
2660: CHOOSE_FROM_ANY_SEQUENCE
2661: }
2662:
2663: # Generate the first state, to select which resources get printed.
2664: Apache::lonhelper::state->new("START", "Select Printing Options:");
2665: $paramHash = Apache::lonhelper::getParamHash();
2666: $paramHash->{MESSAGE_TEXT} = "";
2667: Apache::lonhelper::message->new();
2668: $paramHash = Apache::lonhelper::getParamHash();
2669: $paramHash->{'variable'} = 'PRINT_TYPE';
2670: $paramHash->{CHOICES} = $printChoices;
2671: Apache::lonhelper::choices->new();
2672:
2673: my $startedTable = 0; # have we started an HTML table yet? (need
2674: # to close it later)
2675:
2676: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2677: ($helper->{VARS}->{'construction'} eq '1')) {
2678: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2679: $paramHash = Apache::lonhelper::getParamHash();
2680: $paramHash->{'variable'} = 'ANSWER_TYPE';
2681: $helper->declareVar('ANSWER_TYPE');
2682: $paramHash->{CHOICES} = [
2683: ['Without Answers', 'yes'],
2684: ['With Answers', 'no'],
2685: ['Only Answers', 'only']
2686: ];
2687: Apache::lonhelper::dropdown->new();
2688: addMessage("</td></tr>");
2689: $startedTable = 1;
2690: }
2691:
2692: if ($perm{'pav'}) {
2693: if (!$startedTable) {
2694: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2695: $startedTable = 1;
2696: } else {
2697: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2698: }
2699: $paramHash = Apache::lonhelper::getParamHash();
2700: $paramHash->{'variable'} = 'LATEX_TYPE';
2701: $helper->declareVar('LATEX_TYPE');
2702: if ($helper->{VARS}->{'construction'} eq '1') {
2703: $paramHash->{CHOICES} = [
2704: ['standard LaTeX mode', 'standard'],
2705: ['LaTeX batchmode', 'batchmode'], ];
2706: } else {
2707: $paramHash->{CHOICES} = [
2708: ['LaTeX batchmode', 'batchmode'],
2709: ['standard LaTeX mode', 'standard'] ];
2710: }
2711: Apache::lonhelper::dropdown->new();
2712:
2713: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2714: $paramHash = Apache::lonhelper::getParamHash();
2715: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2716: $helper->declareVar('TABLE_CONTENTS');
2717: $paramHash->{CHOICES} = [
2718: ['No', 'no'],
2719: ['Yes', 'yes'] ];
2720: Apache::lonhelper::dropdown->new();
2721: addMessage("</td></tr>");
2722:
2723: if (not $helper->{VARS}->{'construction'}) {
2724: addMessage("<tr><td align='right'>Print Index: </td><td>");
2725: $paramHash = Apache::lonhelper::getParamHash();
2726: $paramHash->{'variable'} = 'TABLE_INDEX';
2727: $helper->declareVar('TABLE_INDEX');
2728: $paramHash->{CHOICES} = [
2729: ['No', 'no'],
2730: ['Yes', 'yes'] ];
2731: Apache::lonhelper::dropdown->new();
2732: addMessage("</td></tr>");
2733: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2734: $paramHash = Apache::lonhelper::getParamHash();
2735: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2736: $helper->declareVar('PRINT_DISCUSSIONS');
2737: $paramHash->{CHOICES} = [
2738: ['No', 'no'],
2739: ['Yes', 'yes'] ];
2740: Apache::lonhelper::dropdown->new();
2741: addMessage("</td></tr>");
2742:
2743: addMessage("<tr><td align = 'right'> </td><td>");
2744: $paramHash = Apache::lonhelper::getParamHash();
2745: $paramHash->{'multichoice'} = "true";
2746: $paramHash->{'allowempty'} = "true";
2747: $paramHash->{'variable'} = "showallfoils";
2748: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2749: Apache::lonhelper::choices->new();
2750: addMessage("</td></tr>");
2751: }
2752:
2753: if ($helper->{'VARS'}->{'construction'}) {
2754: my $stylevalue=$env{'construct.style'};
2755: my $xmlfrag .= <<"RNDSEED";
2756: <message><tr><td align='right'>Use random seed: </td><td></message>
2757: <string variable="curseed" size="15" maxlength="15">
2758: <defaultvalue>
2759: return $helper->{VARS}->{'curseed'};
2760: </defaultvalue>
2761: </string>
2762: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2763: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
2764: <choices allowempty="1" multichoice="true" variable="showallfoils">
2765: <choice computer="1">Show all foils?</choice>
2766: </choices>
2767: <message></td></tr></message>
2768: RNDSEED
2769: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2770: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2771:
2772: }
2773: }
2774:
2775:
2776:
2777:
2778: if ($startedTable) {
2779: addMessage("</table>");
2780: }
2781:
2782: Apache::lonprintout::page_format_state->new("FORMAT");
2783:
2784: # Generate the PAGESIZE state which will offer the user the margin
2785: # choices if they select one column
2786: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2787: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2788:
2789:
2790: $helper->process();
2791:
2792:
2793: # MANUAL BAILOUT CONDITION:
2794: # If we're in the "final" state, bailout and return to handler
2795: if ($helper->{STATE} eq 'FINAL') {
2796: return $helper;
2797: }
2798:
2799: $r->print($helper->display());
2800: if ($helper->{STATE} eq 'START') {
2801: &recently_generated($r);
2802: }
2803: &Apache::lonhelper::unregisterHelperTags();
2804:
2805: return OK;
2806: }
2807:
2808:
2809: 1;
2810:
2811: package Apache::lonprintout::page_format_state;
2812:
2813: =pod
2814:
2815: =head1 Helper element: page_format_state
2816:
2817: See lonhelper.pm documentation for discussion of the helper framework.
2818:
2819: Apache::lonprintout::page_format_state is an element that gives the
2820: user an opportunity to select the page layout they wish to print
2821: with: Number of columns, portrait/landscape, and paper size. If you
2822: want to change the paper size choices, change the @paperSize array
2823: contents in this package.
2824:
2825: page_format_state is always directly invoked in lonprintout.pm, so there
2826: is no tag interface. You actually pass parameters to the constructor.
2827:
2828: =over 4
2829:
2830: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2831:
2832: =back
2833:
2834: =cut
2835:
2836: use Apache::lonhelper;
2837:
2838: no strict;
2839: @ISA = ("Apache::lonhelper::element");
2840: use strict;
2841: use Apache::lonlocal;
2842: use Apache::lonnet;
2843:
2844: my $maxColumns = 2;
2845: # it'd be nice if these all worked
2846: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2847: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2848: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2849: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2850: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2851: "a4 [210x297 mm]");
2852:
2853: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2854: # Paper type
2855:
2856: sub new {
2857: my $self = Apache::lonhelper::element->new();
2858:
2859: shift;
2860:
2861: $self->{'variable'} = shift;
2862: my $helper = Apache::lonhelper::getHelper();
2863: $helper->declareVar($self->{'variable'});
2864: bless($self);
2865: return $self;
2866: }
2867:
2868: sub render {
2869: my $self = shift;
2870: my $helper = Apache::lonhelper::getHelper();
2871: my $result = '';
2872: my $var = $self->{'variable'};
2873: my $PageLayout=&mt('Page layout');
2874: my $NumberOfColumns=&mt('Number of columns');
2875: my $PaperType=&mt('Paper type');
2876: $result .= <<STATEHTML;
2877:
2878: <hr width="33%" />
2879: <table cellpadding="3">
2880: <tr>
2881: <td align="center"><b>$PageLayout</b></td>
2882: <td align="center"><b>$NumberOfColumns</b></td>
2883: <td align="center"><b>$PaperType</b></td>
2884: </tr>
2885: <tr>
2886: <td>
2887: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2888: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2889: </td>
2890: <td align="center">
2891: <select name="${var}.cols">
2892: STATEHTML
2893:
2894: my $i;
2895: for ($i = 1; $i <= $maxColumns; $i++) {
2896: if ($i == 2) {
2897: $result .= "<option value='$i' selected>$i</option>\n";
2898: } else {
2899: $result .= "<option value='$i'>$i</option>\n";
2900: }
2901: }
2902:
2903: $result .= "</select></td><td>\n";
2904: $result .= "<select name='${var}.paper'>\n";
2905:
2906: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2907: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
2908: $DefaultPaperSize=~s/\s//g;
2909: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2910: $i = 0;
2911: foreach (@paperSize) {
2912: $_=~/(\w+)/;
2913: my $papersize=$1;
2914: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2915: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2916: } else {
2917: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2918: }
2919: $i++;
2920: }
2921: $result .= "</select></td></tr></table>";
2922: return $result;
2923: }
2924:
2925: sub postprocess {
2926: my $self = shift;
2927:
2928: my $var = $self->{'variable'};
2929: my $helper = Apache::lonhelper->getHelper();
2930: $helper->{VARS}->{$var} =
2931: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2932: $env{"form.$var.paper"};
2933: return 1;
2934: }
2935:
2936: 1;
2937:
2938: package Apache::lonprintout::page_size_state;
2939:
2940: =pod
2941:
2942: =head1 Helper element: page_size_state
2943:
2944: See lonhelper.pm documentation for discussion of the helper framework.
2945:
2946: Apache::lonprintout::page_size_state is an element that gives the
2947: user the opportunity to further refine the page settings if they
2948: select a single-column page.
2949:
2950: page_size_state is always directly invoked in lonprintout.pm, so there
2951: is no tag interface. You actually pass parameters to the constructor.
2952:
2953: =over 4
2954:
2955: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2956:
2957: =back
2958:
2959: =cut
2960:
2961: use Apache::lonhelper;
2962: use Apache::lonnet;
2963: no strict;
2964: @ISA = ("Apache::lonhelper::element");
2965: use strict;
2966:
2967:
2968:
2969: sub new {
2970: my $self = Apache::lonhelper::element->new();
2971:
2972: shift; # disturbs me (probably prevents subclassing) but works (drops
2973: # package descriptor)... - Jeremy
2974:
2975: $self->{'variable'} = shift;
2976: my $helper = Apache::lonhelper::getHelper();
2977: $helper->declareVar($self->{'variable'});
2978:
2979: # The variable name of the format element, so we can look into
2980: # $helper->{VARS} to figure out whether the columns are one or two
2981: $self->{'formatvar'} = shift;
2982:
2983:
2984: $self->{NEXTSTATE} = shift;
2985: bless($self);
2986:
2987: return $self;
2988: }
2989:
2990: sub render {
2991: my $self = shift;
2992: my $helper = Apache::lonhelper::getHelper();
2993: my $result = '';
2994: my $var = $self->{'variable'};
2995:
2996:
2997:
2998: if (defined $self->{ERROR_MSG}) {
2999: $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
3000: }
3001:
3002: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3003:
3004: # Use format to get sensible defaults for the margins:
3005:
3006:
3007: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3008: ($papersize) = split(/ /, $papersize);
3009:
3010:
3011: if ($laystyle eq 'L') {
3012: $laystyle = 'album';
3013: } else {
3014: $laystyle = 'book';
3015: }
3016:
3017:
3018: my %size;
3019: ($size{'width_and_units'},
3020: $size{'height_and_units'},
3021: $size{'margin_and_units'})=
3022: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3023:
3024: foreach my $dimension ('width','height','margin') {
3025: ($size{$dimension},$size{$dimension.'_unit'}) =
3026: split(/ +/, $size{$dimension.'_and_units'},2);
3027:
3028: foreach my $unit ('cm','in') {
3029: $size{$dimension.'_options'} .= '<option ';
3030: if ($size{$dimension.'_unit'} eq $unit) {
3031: $size{$dimension.'_options'} .= 'selected="selected" ';
3032: }
3033: $size{$dimension.'_options'} .= '>'.$unit.'</option>';
3034: }
3035: }
3036:
3037: # Adjust margin for LaTeX margin: .. requires units == cm or in.
3038:
3039: if ($size{'margin_unit'} eq 'in') {
3040: $size{'margin'} += 1;
3041: } else {
3042: $size{'margin'} += 2.54;
3043: }
3044: $result .= <<ELEMENTHTML;
3045:
3046:
3047:
3048: <p>How should each column be formatted?</p>
3049:
3050: <table cellpadding='3'>
3051: <tr>
3052: <td align='right'><b>Width</b>:</td>
3053: <td align='left'><input type='text' name='$var.width' value="$size{'width'}" size='4' /></td>
3054: <td align='left'>
3055: <select name='$var.widthunit'>
3056: $size{'width_options'}
3057: </select>
3058: </td>
3059: </tr>
3060: <tr>
3061: <td align='right'><b>Height</b>:</td>
3062: <td align='left'><input type='text' name="$var.height" value="$size{'height'}" size='4' /></td>
3063: <td align='left'>
3064: <select name='$var.heightunit'>
3065: $size{'height_options'}
3066: </select>
3067: </td>
3068: </tr>
3069: <tr>
3070: <td align='right'><b>Left margin</b>:</td>
3071: <td align='left'><input type='text' name='$var.lmargin' value="$size{'margin'}" size='4' /></td>
3072: <td align='left'>
3073: <select name='$var.lmarginunit'>
3074: $size{'margin_options'}
3075: </select>
3076: </td>
3077: </tr>
3078: </table>
3079:
3080: <!--<p>Hint: Some instructors like to leave scratch space for the student by
3081: making the width much smaller than the width of the page.</p>-->
3082:
3083: ELEMENTHTML
3084:
3085: return $result;
3086: }
3087:
3088:
3089: sub preprocess {
3090: my $self = shift;
3091: my $helper = Apache::lonhelper::getHelper();
3092:
3093: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3094:
3095: # If the user does not have 'pav' privilege, set default widths and
3096: # on to the next state right away.
3097: #
3098: if (!$perm{'pav'}) {
3099: my $var = $self->{'variable'};
3100: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3101:
3102: my ($laystyle, $cols, $papersize) = split(/\|/, $format);
3103: ($papersize) = split(/ /, $papersize);
3104:
3105:
3106: if ($laystyle eq 'L') {
3107: $laystyle = 'album';
3108: } else {
3109: $laystyle = 'book';
3110: }
3111: # Figure out some good defaults for the print out and set them:
3112:
3113: my %size;
3114: ($size{'width'},
3115: $size{'height'},
3116: $size{'lmargin'})=
3117: &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
3118:
3119: foreach my $dim ('width', 'height', 'lmargin') {
3120: my ($value, $units) = split(/ /, $size{$dim});
3121:
3122: $helper->{VARS}->{"$var.".$dim} = $value;
3123: $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
3124:
3125: }
3126:
3127:
3128: # Transition to the next state
3129:
3130: $helper->changeState($self->{NEXTSTATE});
3131: }
3132:
3133: return 1;
3134: }
3135:
3136: sub postprocess {
3137: my $self = shift;
3138:
3139: my $var = $self->{'variable'};
3140: my $helper = Apache::lonhelper->getHelper();
3141: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
3142: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
3143: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
3144: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
3145: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
3146: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
3147:
3148: my $error = '';
3149:
3150: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
3151: # by an optional period, followed by digits, ending the string
3152:
3153: if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3154: $error .= "Invalid width; please type only a number.<br />\n";
3155: }
3156: if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3157: $error .= "Invalid height; please type only a number.<br />\n";
3158: }
3159: if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) {
3160: $error .= "Invalid left margin; please type only a number.<br />\n";
3161: } else {
3162: # Adjust for LaTeX 1.0 inch margin:
3163:
3164: if ($env{"form.${var}.lmarginunit"} eq "in") {
3165: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
3166: } else {
3167: $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
3168: }
3169: }
3170:
3171: if (!$error) {
3172: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
3173: return 1;
3174: } else {
3175: $self->{ERROR_MSG} = $error;
3176: return 0;
3177: }
3178: }
3179:
3180:
3181:
3182: __END__
3183:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonprintout.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface