1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.459 2006/07/17 09:38:09 foxr Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
29: package Apache::lonprintout;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonxml;
34: use Apache::lonnet;
35: use Apache::loncommon;
36: use Apache::inputtags;
37: use Apache::grades;
38: use Apache::edit;
39: use Apache::File();
40: use Apache::lonnavmaps;
41: use Apache::lonratedt;
42: use POSIX qw(strftime);
43: use Apache::lonlocal;
44: use Carp;
45: use lib '/home/httpd/lib/perl/';
46: use LONCAPA;
47:
48: my %perm;
49: my %parmhash;
50: my $resources_printed;
51:
52:
53: # Format a header according to a format.
54: #
55:
56: # Substitutions:
57: # %a - Assignment name.
58: # %c - Course name.
59: # %n - Student name.
60: #
61: sub format_page_header {
62: my ($format, $assignment, $course, $student) = @_;
63:
64: # Default format?
65:
66: if ($format eq '') {
67: $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
68:
69: } else {
70: $format =~ s/%a/$assignment/g;
71: $format =~ s/%c/$course/g;
72: $format =~ s/%n/$student/g;
73: }
74:
75:
76: return $format;
77:
78: }
79:
80: #
81: # Convert a numeric code to letters
82: #
83: sub num_to_letters {
84: my ($num) = @_;
85: my @nums= split('',$num);
86: my @num_to_let=('A'..'Z');
87: my $word;
88: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
89: return $word;
90: }
91: # Convert a letter code to numeric.
92: #
93: sub letters_to_num {
94: my ($letters) = @_;
95: my @letters = split('', uc($letters));
96: my %substitution;
97: my $digit = 0;
98: foreach my $letter ('A'..'J') {
99: $substitution{$letter} = $digit;
100: $digit++;
101: }
102: # The substitution is done as below to preserve leading
103: # zeroes which are needed to keep the code size exact
104: #
105: my $result ="";
106: foreach my $letter (@letters) {
107: $result.=$substitution{$letter};
108: }
109: return $result;
110: }
111:
112: # Determine if a code is a valid numeric code. Valid
113: # numeric codes must be comprised entirely of digits and
114: # have a correct number of digits.
115: #
116: # Parameters:
117: # value - proposed code value.
118: # num_digits - Number of digits required.
119: #
120: sub is_valid_numeric_code {
121: my ($value, $num_digits) = @_;
122: # Remove leading/trailing whitespace;
123: $value =~ s/^\s*//g;
124: $value =~ s/\s*$//g;
125:
126: # All digits?
127: if ($value !~ /^[0-9]+$/) {
128: return "Numeric code $value has invalid characters - must only be digits";
129: }
130: if (length($value) != $num_digits) {
131: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
132: }
133: return undef;
134: }
135: # Determines if a code is a valid alhpa code. Alpha codes
136: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
137: # They also have a correct digit count.
138: # Parameters:
139: # value - Proposed code value.
140: # num_letters - correct number of letters.
141: # Note:
142: # leading and trailing whitespace are ignored.
143: #
144: sub is_valid_alpha_code {
145: my ($value, $num_letters) = @_;
146:
147: # strip leading and trailing spaces.
148:
149: $value =~ s/^\s*//g;
150: $value =~ s/\s*$//g;
151:
152: # All alphas in the right range?
153: if ($value !~ /^[A-J,a-j]+$/) {
154: return "Invalid letter code $value must only contain A-J";
155: }
156: if (length($value) != $num_letters) {
157: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
158: }
159: return undef;
160: }
161:
162: # Determine if a code entered by the user in a helper is valid.
163: # valid depends on the code type and the type of code selected.
164: # The type of code selected can either be numeric or
165: # Alphabetic. If alphabetic, the code, in fact is a simple
166: # substitution cipher for the actual numeric code: 0->A, 1->B ...
167: # We'll be nice and be case insensitive for alpha codes.
168: # Parameters:
169: # code_value - the value of the code the user typed in.
170: # code_option - The code type selected from the set in the scantron format
171: # table.
172: # Returns:
173: # undef - The code is valid.
174: # other - An error message indicating what's wrong.
175: #
176: sub is_code_valid {
177: my ($code_value, $code_option) = @_;
178: my ($code_type, $code_length) = ('letter', 6); # defaults.
179: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
180: foreach my $line (<FG>) {
181: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
182: if($name eq $code_option) {
183: $code_length = $length;
184: if($type eq 'number') {
185: $code_type = 'number';
186: }
187: }
188: }
189: my $valid;
190: if ($code_type eq 'number') {
191: return &is_valid_numeric_code($code_value, $code_length);
192: } else {
193: return &is_valid_alpha_code($code_value, $code_length);
194: }
195:
196: }
197:
198: # Compare two students by name. The students are in the form
199: # returned by the helper:
200: # user:domain:section:last, first:status
201: # This is a helper function for the perl sort built-in therefore:
202: # Implicit Inputs:
203: # $a - The first element to compare (global)
204: # $b - The second element to compare (global)
205: # Returns:
206: # -1 - $a < $b
207: # 0 - $a == $b
208: # +1 - $a > $b
209: # Note that the initial comparison is done on the last names with the
210: # first names only used to break the tie.
211: #
212: #
213: sub compare_names {
214: # First split the names up into the primary fields.
215:
216: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
217: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
218:
219: # Now split the last name and first name of each n:
220: #
221:
222: my ($l1,$f1) = split(/,/, $n1);
223: my ($l2,$f2) = split(/,/, $n2);
224:
225: # We don't bother to remove the leading/trailing whitespace from the
226: # firstname, unless the last names compare identical.
227:
228: if($l1 lt $l2) {
229: return -1;
230: }
231: if($l1 gt $l2) {
232: return 1;
233: }
234:
235: # Break the tie on the first name, but there are leading (possibly trailing
236: # whitespaces to get rid of first
237: #
238: $f1 =~ s/^\s+//; # Remove leading...
239: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
240:
241: $f2 =~ s/^\s+//;
242: $f2 =~ s/\s+$//; # And the same for first 2...
243:
244: if($f1 lt $f2) {
245: return -1;
246: }
247: if($f1 gt $f2) {
248: return 1;
249: }
250:
251: # Must be the same name.
252:
253: return 0;
254: }
255:
256: sub latex_header_footer_remove {
257: my $text = shift;
258: $text =~ s/\\end{document}//;
259: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
260: return $text;
261: }
262: #
263: # If necessary, encapsulate text inside
264: # a minipage env.
265: # necessity is determined by the problem_split param.
266: #
267: sub encapsulate_minipage {
268: my ($text) = @_;
269: if (!($env{'form.problem.split'} =~ /yes/i)) {
270: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
271: }
272: return $text;
273: }
274: #
275: # The NUMBER_TO_PRINT and SPLIT_PDFS
276: # variables interact, this sub looks at these two parameters
277: # and comes up with a final value for NUMBER_TO_PRINT which can be:
278: # all - if SPLIT_PDFS eq 'all'.
279: # 1 - if SPLIT_PDFS eq 'oneper'
280: # section - if SPLIT_PDFS eq 'sections'
281: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
282: #
283: sub adjust_number_to_print {
284: my $helper = shift;
285:
286: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
287:
288: if ($split_pdf eq 'all') {
289: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
290: } elsif ($split_pdf eq 'oneper') {
291: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
292: } elsif ($split_pdf eq 'sections') {
293: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
294: } elsif ($split_pdf eq 'usenumber') {
295: # Unmodified.
296: } else {
297: # Error!!!!
298:
299: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
300: }
301: }
302:
303: sub character_chart {
304: my $result = shift;
305: $result =~ s/&\#0?0?(7|9);//g;
306: $result =~ s/&\#0?(10|13);//g;
307: $result =~ s/&\#0?32;/ /g;
308: $result =~ s/&\#0?33;/!/g;
309: $result =~ s/&(\#0?34|quot);/\"/g;
310: $result =~ s/&\#0?35;/\\\#/g;
311: $result =~ s/&\#0?36;/\\\$/g;
312: $result =~ s/&\#0?37;/\\%/g;
313: $result =~ s/&(\#0?38|amp);/\\&/g;
314: $result =~ s/&\#(0?39|146);/\'/g;
315: $result =~ s/&\#0?40;/(/g;
316: $result =~ s/&\#0?41;/)/g;
317: $result =~ s/&\#0?42;/\*/g;
318: $result =~ s/&\#0?43;/\+/g;
319: $result =~ s/&\#(0?44|130);/,/g;
320: $result =~ s/&\#0?45;/-/g;
321: $result =~ s/&\#0?46;/\./g;
322: $result =~ s/&\#0?47;/\//g;
323: $result =~ s/&\#0?48;/0/g;
324: $result =~ s/&\#0?49;/1/g;
325: $result =~ s/&\#0?50;/2/g;
326: $result =~ s/&\#0?51;/3/g;
327: $result =~ s/&\#0?52;/4/g;
328: $result =~ s/&\#0?53;/5/g;
329: $result =~ s/&\#0?54;/6/g;
330: $result =~ s/&\#0?55;/7/g;
331: $result =~ s/&\#0?56;/8/g;
332: $result =~ s/&\#0?57;/9/g;
333: $result =~ s/&\#0?58;/:/g;
334: $result =~ s/&\#0?59;/;/g;
335: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
336: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
337: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
338: $result =~ s/&\#0?63;/\?/g;
339: $result =~ s/&\#0?65;/A/g;
340: $result =~ s/&\#0?66;/B/g;
341: $result =~ s/&\#0?67;/C/g;
342: $result =~ s/&\#0?68;/D/g;
343: $result =~ s/&\#0?69;/E/g;
344: $result =~ s/&\#0?70;/F/g;
345: $result =~ s/&\#0?71;/G/g;
346: $result =~ s/&\#0?72;/H/g;
347: $result =~ s/&\#0?73;/I/g;
348: $result =~ s/&\#0?74;/J/g;
349: $result =~ s/&\#0?75;/K/g;
350: $result =~ s/&\#0?76;/L/g;
351: $result =~ s/&\#0?77;/M/g;
352: $result =~ s/&\#0?78;/N/g;
353: $result =~ s/&\#0?79;/O/g;
354: $result =~ s/&\#0?80;/P/g;
355: $result =~ s/&\#0?81;/Q/g;
356: $result =~ s/&\#0?82;/R/g;
357: $result =~ s/&\#0?83;/S/g;
358: $result =~ s/&\#0?84;/T/g;
359: $result =~ s/&\#0?85;/U/g;
360: $result =~ s/&\#0?86;/V/g;
361: $result =~ s/&\#0?87;/W/g;
362: $result =~ s/&\#0?88;/X/g;
363: $result =~ s/&\#0?89;/Y/g;
364: $result =~ s/&\#0?90;/Z/g;
365: $result =~ s/&\#0?91;/[/g;
366: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
367: $result =~ s/&\#0?93;/]/g;
368: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
369: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
370: $result =~ s/&\#(0?96|145);/\`/g;
371: $result =~ s/&\#0?97;/a/g;
372: $result =~ s/&\#0?98;/b/g;
373: $result =~ s/&\#0?99;/c/g;
374: $result =~ s/&\#100;/d/g;
375: $result =~ s/&\#101;/e/g;
376: $result =~ s/&\#102;/f/g;
377: $result =~ s/&\#103;/g/g;
378: $result =~ s/&\#104;/h/g;
379: $result =~ s/&\#105;/i/g;
380: $result =~ s/&\#106;/j/g;
381: $result =~ s/&\#107;/k/g;
382: $result =~ s/&\#108;/l/g;
383: $result =~ s/&\#109;/m/g;
384: $result =~ s/&\#110;/n/g;
385: $result =~ s/&\#111;/o/g;
386: $result =~ s/&\#112;/p/g;
387: $result =~ s/&\#113;/q/g;
388: $result =~ s/&\#114;/r/g;
389: $result =~ s/&\#115;/s/g;
390: $result =~ s/&\#116;/t/g;
391: $result =~ s/&\#117;/u/g;
392: $result =~ s/&\#118;/v/g;
393: $result =~ s/&\#119;/w/g;
394: $result =~ s/&\#120;/x/g;
395: $result =~ s/&\#121;/y/g;
396: $result =~ s/&\#122;/z/g;
397: $result =~ s/&\#123;/\\{/g;
398: $result =~ s/&\#124;/\|/g;
399: $result =~ s/&\#125;/\\}/g;
400: $result =~ s/&\#126;/\~/g;
401: $result =~ s/&\#131;/\\textflorin /g;
402: $result =~ s/&\#132;/\"/g;
403: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
404: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
405: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
406: $result =~ s/&\#137;/\\textperthousand /g;
407: $result =~ s/&\#140;/{\\OE}/g;
408: $result =~ s/&\#147;/\`\`/g;
409: $result =~ s/&\#148;/\'\'/g;
410: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
411: $result =~ s/&\#150;/--/g;
412: $result =~ s/&\#151;/---/g;
413: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
414: $result =~ s/&\#153;/\\texttrademark /g;
415: $result =~ s/&\#156;/\\oe/g;
416: $result =~ s/&\#159;/\\\"Y/g;
417: $result =~ s/&(\#160|nbsp);/~/g;
418: $result =~ s/&(\#161|iexcl);/!\`/g;
419: $result =~ s/&(\#162|cent);/\\textcent /g;
420: $result =~ s/&(\#163|pound);/\\pounds /g;
421: $result =~ s/&(\#164|curren);/\\textcurrency /g;
422: $result =~ s/&(\#165|yen);/\\textyen /g;
423: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
424: $result =~ s/&(\#167|sect);/\\textsection /g;
425: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
426: $result =~ s/&(\#169|copy);/\\copyright /g;
427: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
428: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
429: $result =~ s/&(\#173|shy);/ - /g;
430: $result =~ s/&(\#174|reg);/\\textregistered /g;
431: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
432: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
433: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
434: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
435: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
436: $result =~ s/&(\#180|acute);/\\textacute /g;
437: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
438: $result =~ s/&(\#182|para);/\\P/g;
439: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
440: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
441: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
442: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
443: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
444: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
445: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
446: $result =~ s/&(\#191|iquest);/?\`/g;
447: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
448: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
449: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
450: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
451: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
452: $result =~ s/&(\#197|Aring);/{\\AA}/g;
453: $result =~ s/&(\#198|AElig);/{\\AE}/g;
454: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
455: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
456: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
457: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
458: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
459: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
460: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
461: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
462: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
463: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
464: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
465: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
466: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
467: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
468: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
469: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
470: $result =~ s/&(\#216|Oslash);/{\\O}/g;
471: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
472: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
473: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
474: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
475: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
476: $result =~ s/&(\#223|szlig);/{\\ss}/g;
477: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
478: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
479: $result =~ s/&(\#226|acirc);/\\^{a}/g;
480: $result =~ s/&(\#227|atilde);/\\~{a}/g;
481: $result =~ s/&(\#228|auml);/\\\"{a}/g;
482: $result =~ s/&(\#229|aring);/{\\aa}/g;
483: $result =~ s/&(\#230|aelig);/{\\ae}/g;
484: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
485: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
486: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
487: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
488: $result =~ s/&(\#235|euml);/\\\"{e}/g;
489: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
490: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
491: $result =~ s/&(\#238|icirc);/\\^{i}/g;
492: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
493: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
494: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
495: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
496: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
497: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
498: $result =~ s/&(\#245|otilde);/\\~{o}/g;
499: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
500: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
501: $result =~ s/&(\#248|oslash);/{\\o}/g;
502: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
503: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
504: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
505: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
506: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
507: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
508: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
509: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
510: #Greek Alphabet
511: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
512: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
513: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
514: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
515: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
516: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
517: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
518: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
519: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
520: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
521: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
522: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
523: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
524: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
525: $result =~ s/&(omicron|\#959);/o/g;
526: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
527: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
528: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
529: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
530: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
531: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
532: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
533: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
534: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
535: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
536: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
537: $result =~ s/&(Alpha|\#913);/A/g;
538: $result =~ s/&(Beta|\#914);/B/g;
539: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
540: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
541: $result =~ s/&(Epsilon|\#917);/E/g;
542: $result =~ s/&(Zeta|\#918);/Z/g;
543: $result =~ s/&(Eta|\#919);/H/g;
544: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
545: $result =~ s/&(Iota|\#921);/I/g;
546: $result =~ s/&(Kappa|\#922);/K/g;
547: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
548: $result =~ s/&(Mu|\#924);/M/g;
549: $result =~ s/&(Nu|\#925);/N/g;
550: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
551: $result =~ s/&(Omicron|\#927);/O/g;
552: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
553: $result =~ s/&(Rho|\#929);/P/g;
554: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
555: $result =~ s/&(Tau|\#932);/T/g;
556: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
557: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
558: $result =~ s/&(Chi|\#935);/X/g;
559: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
560: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
561: #Arrows (extended HTML 4.01)
562: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
563: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
564: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
565: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
566: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
567: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
568: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
569: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
570: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
571: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
572: #Mathematical Operators (extended HTML 4.01)
573: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
574: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
575: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
576: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
577: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
578: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
579: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
580: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
581: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
582: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
583: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
584: $result =~ s/–/\\ensuremath\{-\}/g;
585: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
586: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
587: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
588: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
589: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
590: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
591: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
592: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
593: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
594: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
595: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
596: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
597: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
598: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
599: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
600: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
601: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
602: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
603: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
604: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
605: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
606: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
607: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
608: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
609: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
610: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
611: #Geometric Shapes (extended HTML 4.01)
612: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
613: #Miscellaneous Symbols (extended HTML 4.01)
614: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
615: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
616: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
617: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
618: return $result;
619: }
620:
621:
622: #width, height, oddsidemargin, evensidemargin, topmargin
623: my %page_formats=
624: ('letter' => {
625: 'book' => {
626: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
627: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
628: },
629: 'album' => {
630: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'],
631: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
632: },
633: },
634: 'legal' => {
635: 'book' => {
636: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
637: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
638: },
639: 'album' => {
640: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
641: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
642: },
643: },
644: 'tabloid' => {
645: 'book' => {
646: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
647: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
648: },
649: 'album' => {
650: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
651: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
652: },
653: },
654: 'executive' => {
655: 'book' => {
656: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
657: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
658: },
659: 'album' => {
660: '1' => [],
661: '2' => []
662: },
663: },
664: 'a2' => {
665: 'book' => {
666: '1' => [],
667: '2' => []
668: },
669: 'album' => {
670: '1' => [],
671: '2' => []
672: },
673: },
674: 'a3' => {
675: 'book' => {
676: '1' => [],
677: '2' => []
678: },
679: 'album' => {
680: '1' => [],
681: '2' => []
682: },
683: },
684: 'a4' => {
685: 'book' => {
686: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
687: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
688: },
689: 'album' => {
690: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
691: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
692: },
693: },
694: 'a5' => {
695: 'book' => {
696: '1' => [],
697: '2' => []
698: },
699: 'album' => {
700: '1' => [],
701: '2' => []
702: },
703: },
704: 'a6' => {
705: 'book' => {
706: '1' => [],
707: '2' => []
708: },
709: 'album' => {
710: '1' => [],
711: '2' => []
712: },
713: },
714: );
715:
716: sub page_format {
717: #
718: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
719: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
720: # "A2 [420x594 mm]", "A3 [297x420 mm]",
721: # "A4 [210x297 mm]", "A5 [148x210 mm]",
722: # "A6 [105x148 mm]"
723: #
724: my ($papersize,$layout,$numberofcolumns) = @_;
725: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
726: }
727:
728:
729: sub get_name {
730: my ($uname,$udom)=@_;
731: if (!defined($uname)) { $uname=$env{'user.name'}; }
732: if (!defined($udom)) { $udom=$env{'user.domain'}; }
733: my $plainname=&Apache::loncommon::plainname($uname,$udom);
734: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
735: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
736: return $plainname;
737: }
738:
739: sub get_course {
740: my $courseidinfo;
741: if (defined($env{'request.course.id'})) {
742: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
743: }
744: return $courseidinfo;
745: }
746:
747: sub page_format_transformation {
748: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
749: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
750:
751: if ($selectionmade eq '4') {
752: $assignment='Problems from the Whole Course';
753: } else {
754: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
755: }
756: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
757:
758:
759: my $name = &get_name();
760: my $courseidinfo = &get_course();
761: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
762: my $header_text = $parmhash{'print_header_format'};
763: $header_text = &format_page_header($header_text, $assignment,
764: $courseidinfo, $name);
765: my $topmargintoinsert = '';
766: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
767: my $fancypagestatement='';
768: if ($numberofcolumns eq '2') {
769: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
770: } else {
771: $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
772: }
773: if ($layout eq 'album') {
774: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
775: } elsif ($layout eq 'book') {
776: if ($choice ne 'All class print') {
777: $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/;
778: } else {
779: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
780: }
781: if ($papersize eq 'a4') {
782: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
783: }
784: }
785: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
786: if ($indexlist eq 'yes') {
787: $text=~s/(\\begin{document})/\\makeindex $1/;
788: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
789: }
790: return $text;
791: }
792:
793:
794: sub page_cleanup {
795: my $result = shift;
796:
797: $result =~ m/\\end{document}(\d*)$/;
798: my $number_of_columns = $1;
799: my $insert = '{';
800: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
801: $insert .= '}';
802: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
803: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
804: return $result,$number_of_columns;
805: }
806:
807:
808: sub details_for_menu {
809: my ($helper)=@_;
810: my $postdata=$env{'form.postdata'};
811: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
812: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
813: my $symbolic = &Apache::lonnet::symbread($postdata);
814: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
815: $map=&Apache::lonnet::clutter($map);
816: my $name_of_sequence = &Apache::lonnet::gettitle($map);
817: if ($name_of_sequence =~ /^\s*$/) {
818: $map =~ m|([^/]+)$|;
819: $name_of_sequence = $1;
820: }
821: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
822: if ($name_of_map =~ /^\s*$/) {
823: $env{'request.course.uri'} =~ m|([^/]+)$|;
824: $name_of_map = $1;
825: }
826: return ($name_of_resource,$name_of_sequence,$name_of_map);
827: }
828:
829:
830: sub latex_corrections {
831: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
832: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
833: $result =~ s/\$number_of_columns/$number_of_columns/g;
834: if ($selectionmade eq '1' || $answer_mode eq 'only') {
835: $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/;
836: } else {
837: $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/;
838: }
839: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
840: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
841: #-- LaTeX corrections
842: my $first_comment = index($result,'<!--',0);
843: while ($first_comment != -1) {
844: my $end_comment = index($result,'-->',$first_comment);
845: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
846: $first_comment = index($result,'<!--',$first_comment);
847: }
848: $result =~ s/^\s+$//gm; #remove empty lines
849: #removes more than one empty space
850: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
851: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
852: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
853: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
854: $result =~ s/\\\\\s+\[/ \[/g;
855: #conversion of html characters to LaTeX equivalents
856: if ($result =~ m/&(\w+|#\d+);/) {
857: $result = &character_chart($result);
858: }
859: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
860: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
861: return $result;
862: }
863:
864:
865: sub index_table {
866: my $currentURL = shift;
867: my $insex_string='';
868: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
869: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
870: return $insex_string;
871: }
872:
873:
874: sub IndexCreation {
875: my ($texversion,$currentURL)=@_;
876: my @key_words=split(/,/,&index_table($currentURL));
877: my $chunk='';
878: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
879: if ($st>0) {
880: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
881: $chunk=substr($texversion,0,$st+1);
882: substr($texversion,0,$st+1)=' ';
883: }
884: foreach my $key_word (@key_words) {
885: if ($key_word=~/\S+/) {
886: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
887: }
888: }
889: if ($st>0) {substr($texversion,0,1)=$chunk;}
890: return $texversion;
891: }
892:
893: sub print_latex_header {
894: my $mode=shift;
895: my $output='\documentclass[letterpaper,twoside]{article}';
896: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
897: $output.='\batchmode';
898: }
899: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
900: '\usepackage{multirow}'."\n".
901: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
902: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
903: '\usepackage{wrapfig}'.
904: '\usepackage{picins}\usepackage{calc}'."\n".
905: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
906: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
907: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
908: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
909: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
910: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
911: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
912: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
913: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
914: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
915: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
916: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
917: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
918: return $output;
919: }
920:
921: sub path_to_problem {
922: my ($urlp,$colwidth)=@_;
923: $urlp=&Apache::lonnet::clutter($urlp);
924:
925: my $newurlp = '';
926: $colwidth=~s/\s*mm\s*$//;
927: #characters average about 2 mm in width
928: if (length($urlp)*2 > $colwidth) {
929: my @elements = split('/',$urlp);
930: my $curlength=0;
931: foreach my $element (@elements) {
932: if ($element eq '') { next; }
933: if ($curlength+(length($element)*2) > $colwidth) {
934: $newurlp .= '|\vskip -1 mm \verb|';
935: $curlength=length($element)*2;
936: } else {
937: $curlength+=length($element)*2;
938: }
939: $newurlp.='/'.$element;
940: }
941: } else {
942: $newurlp=$urlp;
943: }
944: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
945: }
946:
947: sub recalcto_mm {
948: my $textwidth=shift;
949: my $LaTeXwidth;
950: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
951: $LaTeXwidth = $1*10;
952: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
953: $LaTeXwidth = $1;
954: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
955: $LaTeXwidth = $1*25.4;
956: }
957: $LaTeXwidth.=' mm';
958: return $LaTeXwidth;
959: }
960:
961: sub get_textwidth {
962: my ($helper,$LaTeXwidth)=@_;
963: my $textwidth=$LaTeXwidth;
964: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
965: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
966: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
967: $helper->{'VARS'}->{'pagesize.widthunit'});
968: }
969: return $textwidth;
970: }
971:
972:
973: sub unsupported {
974: my ($currentURL,$mode,$symb)=@_;
975: if ($mode ne '') {$mode='\\'.$mode}
976: my $result.= &print_latex_header($mode);
977: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
978: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
979: my $title=&Apache::lonnet::gettitle($symb);
980: $title = &Apache::lonxml::latex_special_symbols($title);
981: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
982: } else {
983: $result.=$currentURL;
984: }
985: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
986: return $result;
987: }
988:
989:
990: #
991: # List of recently generated print files
992: #
993: sub recently_generated {
994: my $r=shift;
995: my $prtspool=$r->dir_config('lonPrtDir');
996: my $zip_result;
997: my $pdf_result;
998: opendir(DIR,$prtspool);
999:
1000: my @files =
1001: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1002: closedir(DIR);
1003:
1004: @files = sort {
1005: my ($actime) = (stat($prtspool.'/'.$a))[10];
1006: my ($bctime) = (stat($prtspool.'/'.$b))[10];
1007: return $bctime <=> $actime;
1008: } (@files);
1009:
1010: foreach my $filename (@files) {
1011: my ($ext) = ($filename =~ m/(pdf|zip)$/);
1012: my ($cdev,$cino,$cmode,$cnlink,
1013: $cuid,$cgid,$crdev,$csize,
1014: $catime,$cmtime,$cctime,
1015: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1016: my $result="<a href='/prtspool/$filename'>".
1017: &mt('Generated [_1] ([_2] bytes)',
1018: &Apache::lonlocal::locallocaltime($cctime),$csize).
1019: '</a><br />';
1020: if ($ext eq 'pdf') { $pdf_result .= $result; }
1021: if ($ext eq 'zip') { $zip_result .= $result; }
1022: }
1023: if ($zip_result) {
1024: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
1025: .$zip_result);
1026: }
1027: if ($pdf_result) {
1028: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
1029: .$pdf_result);
1030: }
1031: }
1032:
1033: #
1034: # Retrieve the hash of page breaks.
1035: #
1036: # Inputs:
1037: # helper - reference to helper object.
1038: # Outputs
1039: # A reference to a page break hash.
1040: #
1041: #
1042: #use Data::Dumper;
1043: #sub dump_helper_vars {
1044: # my ($helper) = @_;
1045: # my $helpervars = Dumper($helper->{'VARS'});
1046: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
1047: #}
1048:
1049: sub get_page_breaks {
1050: my ($helper) = @_;
1051: my %page_breaks;
1052:
1053: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1054: $page_breaks{$break} = 1;
1055: }
1056: return %page_breaks;
1057: }
1058:
1059: # Output a sequence (recursively if neeed)
1060: # from construction space.
1061: # Parameters:
1062: # url = URL of the sequence to print.
1063: # helper - Reference to the helper hash.
1064: # form - Copy of the format hash.
1065: # LaTeXWidth
1066: # Returns:
1067: # Text to add to the printout.
1068: # NOTE if the first element of the outermost sequence
1069: # is itself a sequence, the outermost caller may need to
1070: # prefix the latex with the page headers stuff.
1071: #
1072: sub print_construction_sequence {
1073: my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1074: my $result;
1075: my $rndseed=time;
1076: if ($helper->{'VARS'}->{'curseed'}) {
1077: $rndseed=$helper->{'VARS'}->{'curseed'};
1078: }
1079: my $errtext=&Apache::lonratedt::mapread($currentURL);
1080: #
1081: # These make this all support recursing for subsequences.
1082: #
1083: my @order = @Apache::lonratedt::order;
1084: my @resources = @Apache::lonratedt::resources;
1085: &Apache::lonnet::logthis("mapread for $currentURL returned: $errtext");
1086: for (my $member=0;$member<=$#order;$member++) {
1087: $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
1088: my $urlp=$2;
1089: &Apache::lonnet::logthis("Processing $urlp from sequence ($member)");
1090: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1091: my $texversion='';
1092: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1093: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1094: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1095: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1096: $form{'rndseed'}=$rndseed;
1097: $resources_printed .=$urlp.':';
1098: $texversion=&Apache::lonnet::ssi($urlp,%form);
1099: }
1100: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1101: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1102: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1103: # Don't permanently modify %$form...
1104: my %answerform = %form;
1105: $answerform{'grade_target'}='answer';
1106: $answerform{'answer_output_mode'}='tex';
1107: $answerform{'rndseed'}=$rndseed;
1108: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1109: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1110: $resources_printed .= $urlp.':';
1111: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1112: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1113: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1114: } else {
1115: # If necessary, encapsulate answer in minipage:
1116:
1117: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1118: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1119: $body.=&path_to_problem($urlp,$LaTeXwidth);
1120: $body.='\vskip 1 mm '.$answer.'\end{document}';
1121: $body = &encapsulate_minipage($body);
1122: $texversion.=$body;
1123: }
1124: }
1125: $texversion = &latex_header_footer_remove($texversion);
1126:
1127: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1128: $texversion=&IndexCreation($texversion,$urlp);
1129: }
1130: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1131: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1132: }
1133: $result.=$texversion;
1134:
1135: } elsif ($urlp=~/\.(sequence|page)$/) {
1136: &Apache::lonnet::logthis("elsif just strutting stuff");
1137:
1138: # header:
1139:
1140: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1141:
1142: # IF sequence, recurse:
1143:
1144: if ($urlp =~ /\.sequence$/) {
1145: my $sequence_url = $urlp;
1146: my $domain = $env{'user.domain'}; # Constr. space only on local
1147: my $user = $env{'user.name'};
1148:
1149: $sequence_url =~ s/^\/res\/$domain/\/home/;
1150: $sequence_url =~ s/^(\/home\/$user)/$1\/public_html/;
1151: # $sequence_url =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1152: $result .= &print_construction_sequence($sequence_url,
1153: $helper, %form,
1154: $LaTeXwidth);
1155: }
1156: }
1157: }
1158: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1159: return $result;
1160: }
1161:
1162: sub output_data {
1163: my ($r,$helper,$rparmhash) = @_;
1164: my %parmhash = %$rparmhash;
1165: $resources_printed = '';
1166: my $js = <<ENDPART;
1167: <script type="text/javascript">
1168: var editbrowser;
1169: function openbrowser(formname,elementname,only,omit) {
1170: var url = '/res/?';
1171: if (editbrowser == null) {
1172: url += 'launch=1&';
1173: }
1174: url += 'catalogmode=interactive&';
1175: url += 'mode=parmset&';
1176: url += 'form=' + formname + '&';
1177: if (only != null) {
1178: url += 'only=' + only + '&';
1179: }
1180: if (omit != null) {
1181: url += 'omit=' + omit + '&';
1182: }
1183: url += 'element=' + elementname + '';
1184: var title = 'Browser';
1185: var options = 'scrollbars=1,resizable=1,menubar=0';
1186: options += ',width=700,height=600';
1187: editbrowser = open(url,title,options,'1');
1188: editbrowser.focus();
1189: }
1190: </script>
1191: ENDPART
1192:
1193: my $start_page = &Apache::loncommon::start_page('Preparing Printout',$js);
1194: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1195:
1196: $r->print($start_page."\n<p>\n$msg\n</p>\n");
1197:
1198: # fetch the pagebreaks and store them in the course environment
1199: # The page breaks will be pulled into the hash %page_breaks which is
1200: # indexed by symb and contains 1's for each break.
1201:
1202: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1203: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1204: &Apache::loncommon::store_course_settings('print',
1205: {'pagebreaks' => 'scalar',
1206: 'lastprinttype' => 'scalar'});
1207:
1208: my %page_breaks = &get_page_breaks($helper);
1209:
1210: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1211: my ($result,$selectionmade) = ('','');
1212: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1213: my @temporary_array=split /\|/,$format_from_helper;
1214: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1215: if ($laystyle eq 'L') {
1216: $laystyle='album';
1217: } else {
1218: $laystyle='book';
1219: }
1220: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1221: my $assignment = $env{'form.assignment'};
1222: my $LaTeXwidth=&recalcto_mm($textwidth);
1223: my @print_array=();
1224: my @student_names=();
1225:
1226: # Common settings for the %form has:
1227: # In some cases these settings get overriddent by specific cases, but the
1228: # settings are common enough to make it worthwhile factoring them out
1229: # here.
1230: #
1231: my %form;
1232: $form{'grade_target'} = 'tex';
1233: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1234:
1235: # If form.showallfoils is set, then request all foils be shown:
1236: # privilege will be enforced both by not allowing the
1237: # check box selecting this option to be presnt unless it's ok,
1238: # and by lonresponse's priv. check.
1239: # The if is here because lonresponse.pm only cares that
1240: # showallfoils is defined, not what the value is.
1241:
1242: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1243: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1244: }
1245:
1246: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1247: #-- single document - problem, page, html, xml, ...
1248: my ($currentURL,$cleanURL);
1249:
1250: if ($helper->{'VARS'}->{'construction'} ne '1') {
1251: #prints published resource
1252: $currentURL=$helper->{'VARS'}->{'postdata'};
1253: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1254: } else {
1255: #prints resource from the construction space
1256: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1257: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1258: $cleanURL=$currentURL;
1259: }
1260: $selectionmade = 1;
1261: if ($cleanURL!~m|^/adm/|
1262: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1263: my $rndseed=time;
1264: my $texversion='';
1265: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1266: my %moreenv;
1267: $moreenv{'request.filename'}=$cleanURL;
1268: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1269: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1270: my $dom = $env{'user.domain'};
1271: my $user = $env{'user.name'};
1272: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1273: }
1274: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1275: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1276: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1277: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1278: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1279: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1280: if ($helper->{'VARS'}->{'curseed'}) {
1281: $rndseed=$helper->{'VARS'}->{'curseed'};
1282: }
1283: $form{'rndseed'}=$rndseed;
1284: &Apache::lonnet::appenv(%moreenv);
1285:
1286: &Apache::lonxml::clear_problem_counter();
1287:
1288: $resources_printed .= $currentURL.':';
1289: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1290:
1291: &Apache::lonxml::clear_problem_counter();
1292:
1293: &Apache::lonnet::delenv('request.filename');
1294: }
1295: # current document with answers.. no need to encap in minipage
1296: # since there's only one answer.
1297:
1298: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1299: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1300: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1301: $form{'grade_target'}='answer';
1302: $form{'answer_output_mode'}='tex';
1303: $form{'rndseed'}=$rndseed;
1304: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1305: $form{'problemtype'}='exam';
1306: }
1307: $resources_printed .= $currentURL.':';
1308: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1309: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1310: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1311: } else {
1312: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1313: if ($helper->{'VARS'}->{'construction'} ne '1') {
1314: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1315: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1316: } else {
1317: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1318: my $URLpath=$cleanURL;
1319: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1320: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1321: }
1322: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1323: }
1324: }
1325: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1326: $texversion=&IndexCreation($texversion,$currentURL);
1327: }
1328: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1329: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1330:
1331: }
1332: $result .= $texversion;
1333: if ($currentURL=~m/\.page\s*$/) {
1334: ($result,$number_of_columns) = &page_cleanup($result);
1335: }
1336: } elsif ($cleanURL!~m|^/adm/|
1337: && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1338: #printing content of sequence from the construction space
1339: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1340: &Apache::lonnet::logthis("Sequence from constrution space. ouptput is:");
1341: &Apache::lonnet::logthis($result);
1342: $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1343: $result .= &print_construction_sequence($currentURL, $helper, %form,
1344: $LaTeXwidth);
1345: &Apache::lonnet::logthis("Back from construction space print");
1346: $result .= '\end{document}';
1347: if (!($result =~ /\\begin\{document\}/)) {
1348: &Apache::lonnet::logthis("inserting header");
1349: $result = &print_latex_header() . $result;
1350: }
1351: # End construction space sequence.
1352: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1353: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1354: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1355: $resources_printed .= $currentURL.':';
1356: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1357: $result .= $texversion;
1358: } else {
1359: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
1360: $helper->{'VARS'}->{'symb'});
1361: }
1362: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1363: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1364: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1365: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1366: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1367: #-- produce an output string
1368: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1369: $selectionmade = 2;
1370: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1371: $selectionmade = 3;
1372: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1373: $selectionmade = 4;
1374: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1375: $selectionmade = 4;
1376: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1377: $selectionmade = 7;
1378: }
1379: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1380: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1381: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1382: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1383: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1384: my $flag_latex_header_remove = 'NO';
1385: my $flag_page_in_sequence = 'NO';
1386: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1387: my $prevassignment='';
1388:
1389: &Apache::lonxml::clear_problem_counter();
1390:
1391: my $pbreakresources = keys %page_breaks;
1392: for (my $i=0;$i<=$#master_seq;$i++) {
1393:
1394: # Note due to document structure, not allowed to put \newpage
1395: # prior to the first resource
1396:
1397: if (defined $page_breaks{$master_seq[$i]}) {
1398: if($i != 0) {
1399: $result.="\\newpage\n";
1400: }
1401: }
1402: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1403: $urlp=&Apache::lonnet::clutter($urlp);
1404: $form{'symb'}=$master_seq[$i];
1405:
1406: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1407: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1408: if ($i==0) {$prevassignment=$assignment;}
1409: my $texversion='';
1410: if ($urlp!~m|^/adm/|
1411: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1412: $resources_printed .= $urlp.':';
1413:
1414: &Apache::lonxml::remember_problem_counter();
1415: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1416: if ($urlp=~/\.page$/) {
1417: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1418: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1419: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1420: $flag_page_in_sequence = 'YES';
1421: }
1422:
1423: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1424: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1425: # Don't permanently pervert the %form hash
1426: my %answerform = %form;
1427: $answerform{'grade_target'}='answer';
1428: $answerform{'answer_output_mode'}='tex';
1429: $resources_printed .= $urlp.':';
1430:
1431: &Apache::lonxml::restore_problem_counter();
1432: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1433:
1434: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1435: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1436: } else {
1437: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1438: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1439: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm ';
1440: $body .= &path_to_problem ($urlp,$LaTeXwidth);
1441: $body .='\vskip 1 mm '.$answer;
1442: $body = &encapsulate_minipage($body);
1443: $texversion .= $body;
1444: } else {
1445: $texversion='';
1446: }
1447: }
1448: }
1449: if ($flag_latex_header_remove ne 'NO') {
1450: $texversion = &latex_header_footer_remove($texversion);
1451: } else {
1452: $texversion =~ s/\\end{document}//;
1453: }
1454: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1455: $texversion=&IndexCreation($texversion,$urlp);
1456: }
1457: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1458: my $name = &get_name();
1459: my $courseidinfo = &get_course();
1460: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1461: $prevassignment=$assignment;
1462: my $header_text = $parmhash{'print_header_format'};
1463: $header_text = &format_page_header($header_text,
1464: $assignment,
1465: $courseidinfo,
1466: $name);
1467: if ($numberofcolumns eq '1') {
1468: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1469: } else {
1470: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1471: }
1472: }
1473: $result .= $texversion;
1474: $flag_latex_header_remove = 'YES';
1475: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1476: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1477: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1478: $resources_printed .= $urlp.':';
1479: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1480: if ($flag_latex_header_remove ne 'NO') {
1481: $texversion = &latex_header_footer_remove($texversion);
1482: } else {
1483: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1484: }
1485: $result .= $texversion;
1486: $flag_latex_header_remove = 'YES';
1487: } else {
1488: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
1489: $master_seq[$i]);
1490: if ($flag_latex_header_remove ne 'NO') {
1491: $texversion = &latex_header_footer_remove($texversion);
1492: } else {
1493: $texversion =~ s/\\end{document}//;
1494: }
1495: $result .= $texversion;
1496: $flag_latex_header_remove = 'YES';
1497: }
1498: if (&Apache::loncommon::connection_aborted($r)) { last; }
1499: }
1500: &Apache::lonxml::clear_problem_counter();
1501: if ($flag_page_in_sequence eq 'YES') {
1502: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1503: }
1504: $result .= '\end{document}';
1505: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1506: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1507:
1508:
1509: #-- prints assignments for whole class or for selected students
1510: my $type;
1511: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1512: $selectionmade=5;
1513: $type='problems';
1514: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1515: $selectionmade=8;
1516: $type='resources';
1517: }
1518: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1519: # The normal sort order is by section then by students within the
1520: # section. If the helper var student_sort is 1, then the user has elected
1521: # to override this and output the students by name.
1522: # Each element of the students array is of the form:
1523: # username:domain:section:last, first:status
1524: #
1525: # Note that student sort is not compatible with printing
1526: # 1 section per pdf...so that setting overrides.
1527: #
1528: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
1529: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1530: @students = sort compare_names @students;
1531: }
1532: &adjust_number_to_print($helper);
1533:
1534: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1535: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1536: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1537: }
1538: # If we are splitting on section boundaries, we need
1539: # to remember that in split_on_sections and
1540: # print all of the students in the list.
1541: #
1542: my $split_on_sections = 0;
1543: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
1544: $split_on_sections = 1;
1545: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
1546: }
1547: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1548:
1549: #loop over students
1550: my $flag_latex_header_remove = 'NO';
1551: my %moreenv;
1552: $moreenv{'instructor_comments'}='hide';
1553: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1554: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1555: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1556: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1557: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1558: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1559: my $student_counter=-1;
1560: my $i = 0;
1561: my $last_section = (split(/:/,$students[0]))[2];
1562: foreach my $person (@students) {
1563:
1564: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1565: if (-e $duefile) {
1566: my $temp_file = Apache::File->new('>>'.$duefile);
1567: print $temp_file "1969\n";
1568: }
1569: $student_counter++;
1570: if ($split_on_sections) {
1571: my $this_section = (split(/:/,$person))[2];
1572: if ($this_section ne $last_section) {
1573: $i++;
1574: $last_section = $this_section;
1575: }
1576: } else {
1577: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1578: }
1579: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1580: $person,$type,
1581: \%moreenv,\@master_seq,
1582: $flag_latex_header_remove,
1583: $LaTeXwidth);
1584: $resources_printed .= ":";
1585: $print_array[$i].=$output;
1586: $student_names[$i].=$person.':'.$fullname.'_END_';
1587: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1588: $flag_latex_header_remove = 'YES';
1589: if (&Apache::loncommon::connection_aborted($r)) { last; }
1590: }
1591: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1592: $result .= $print_array[0].' \end{document}';
1593: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1594: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1595: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1596: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1597: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1598: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1599: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1600: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1601: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1602:
1603: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1604: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1605: my ($code_type,$code_length)=('letter',6);
1606: foreach my $line (<FH>) {
1607: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1608: if ($name eq $code_option) {
1609: $code_length=$length;
1610: if ($type eq 'number') { $code_type = 'number'; }
1611: }
1612: }
1613: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1614: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1615: $moreenv{'instructor_comments'}='hide';
1616: my $seed=time+($$<<16)+($$);
1617: my @allcodes;
1618: if ($old_name) {
1619: my %result=&Apache::lonnet::get('CODEs',
1620: [$old_name,"type\0$old_name"],
1621: $cdom,$cnum);
1622: $code_type=$result{"type\0$old_name"};
1623: @allcodes=split(',',$result{$old_name});
1624: $num_todo=scalar(@allcodes);
1625: } elsif ($selected_code) { # Selection value is always numeric.
1626: $num_todo = 1;
1627: @allcodes = ($selected_code);
1628: } elsif ($single_code) {
1629:
1630: $num_todo = 1; # Unconditionally one code to do.
1631: # If an alpha code have to convert to numbers so it can be
1632: # converted back to letters again :-)
1633: #
1634: if ($code_type ne 'number') {
1635: $single_code = &letters_to_num($single_code);
1636: }
1637: @allcodes = ($single_code);
1638: } else {
1639: my %allcodes;
1640: srand($seed);
1641: for (my $i=0;$i<$num_todo;$i++) {
1642: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1643: $code_type);
1644: }
1645: if ($code_name) {
1646: &Apache::lonnet::put('CODEs',
1647: {
1648: $code_name =>join(',',keys(%allcodes)),
1649: "type\0$code_name" => $code_type
1650: },
1651: $cdom,$cnum);
1652: }
1653: @allcodes=keys(%allcodes);
1654: }
1655: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1656: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1657: &adjust_number_to_print($helper);
1658: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1659: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1660: $number_per_page=$num_todo;
1661: }
1662: my $flag_latex_header_remove = 'NO';
1663: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1664: my $count=0;
1665: foreach my $code (sort(@allcodes)) {
1666: my $file_num=int($count/$number_per_page);
1667: if ($code_type eq 'number') {
1668: $moreenv{'CODE'}=$code;
1669: } else {
1670: $moreenv{'CODE'}=&num_to_letters($code);
1671: }
1672: my ($output,$fullname, $printed)=
1673: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1674: \@master_seq,$flag_latex_header_remove,
1675: $LaTeXwidth);
1676: $resources_printed .= ":";
1677: $print_array[$file_num].=$output;
1678: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1679: &mt('last assignment').' '.$fullname);
1680: $flag_latex_header_remove = 'YES';
1681: $count++;
1682: if (&Apache::loncommon::connection_aborted($r)) { last; }
1683: }
1684: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1685: $result .= $print_array[0].' \end{document}';
1686: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1687: #prints selected problems from the subdirectory
1688: $selectionmade = 6;
1689: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1690: @list_of_files=sort @list_of_files;
1691: my $flag_latex_header_remove = 'NO';
1692: my $rndseed=time;
1693: if ($helper->{'VARS'}->{'curseed'}) {
1694: $rndseed=$helper->{'VARS'}->{'curseed'};
1695: }
1696: for (my $i=0;$i<=$#list_of_files;$i++) {
1697: my $urlp = $list_of_files[$i];
1698: $urlp=~s|//|/|;
1699: if ($urlp=~/\//) {
1700: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1701: $form{'rndseed'}=$rndseed;
1702: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1703: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1704: } else {
1705: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1706: }
1707: $resources_printed .= $urlp.':';
1708: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1709: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1710: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1711: # Don't permanently pervert %form:
1712: my %answerform = %form;
1713: $answerform{'grade_target'}='answer';
1714: $answerform{'answer_output_mode'}='tex';
1715: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1716: $answerform{'rndseed'}=$rndseed;
1717: $resources_printed .= $urlp.':';
1718: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1719: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1720: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1721: } else {
1722: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1723: if ($helper->{'VARS'}->{'construction'} ne '1') {
1724: $texversion.='\vskip 0 mm \noindent ';
1725: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1726: } else {
1727: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1728: my $URLpath=$urlp;
1729: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1730: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1731: }
1732: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1733: }
1734: }
1735: #this chunck is responsible for printing the path to problem
1736: my $newurlp=$urlp;
1737: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1738: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1739: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1740: if ($flag_latex_header_remove ne 'NO') {
1741: $texversion = &latex_header_footer_remove($texversion);
1742: } else {
1743: $texversion =~ s/\\end{document}//;
1744: }
1745: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1746: $texversion=&IndexCreation($texversion,$urlp);
1747: }
1748: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1749: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1750:
1751: }
1752: $result .= $texversion;
1753: }
1754: $flag_latex_header_remove = 'YES';
1755: }
1756: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1757: $result .= '\end{document}';
1758: }
1759: #-------------------------------------------------------- corrections for the different page formats
1760: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1761: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
1762: $helper->{'VARS'}->{'ANSWER_TYPE'});
1763: for (my $i=1;$i<=$#print_array;$i++) {
1764: $print_array[$i] =
1765: &latex_corrections($number_of_columns,$print_array[$i],
1766: $selectionmade,
1767: $helper->{'VARS'}->{'ANSWER_TYPE'});
1768: }
1769: if ($numberofcolumns == 1) {
1770: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1771: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1772: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1773: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1774: }
1775:
1776: #-- writing .tex file in prtspool
1777: my $temp_file;
1778: my $identifier = &Apache::loncommon::get_cgi_id();
1779: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1780: if (!($#print_array>0)) {
1781: unless ($temp_file = Apache::File->new('>'.$filename)) {
1782: $r->log_error("Couldn't open $filename for output $!");
1783: return SERVER_ERROR;
1784: }
1785: print $temp_file $result;
1786: my $begin=index($result,'\begin{document}',0);
1787: my $inc=substr($result,0,$begin+16);
1788: } else {
1789: my $begin=index($result,'\begin{document}',0);
1790: my $inc=substr($result,0,$begin+16);
1791: for (my $i=0;$i<=$#print_array;$i++) {
1792: if ($i==0) {
1793: $print_array[$i]=$result;
1794: } else {
1795: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1796: substr($print_array[$i],0,$anobegin)='';
1797: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1798: }
1799: my $temp_file;
1800: my $newfilename=$filename;
1801: my $num=$i+1;
1802: $newfilename =~s/\.tex$//;
1803: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1804: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1805: $r->log_error("Couldn't open $newfilename for output $!");
1806: return SERVER_ERROR;
1807: }
1808: print $temp_file $print_array[$i];
1809: }
1810: }
1811: my $student_names='';
1812: if ($#print_array>0) {
1813: for (my $i=0;$i<=$#print_array;$i++) {
1814: $student_names.=$student_names[$i].'_ENDPERSON_';
1815: }
1816: } else {
1817: if ($#student_names>-1) {
1818: $student_names=$student_names[0].'_ENDPERSON_';
1819: } else {
1820: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1821: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1822: $env{'request.course.sec'},$fullname).
1823: '_ENDPERSON_'.'_END_';
1824: }
1825: }
1826:
1827: my $URLback=''; #link to original document
1828: if ($helper->{'VARS'}->{'construction'} ne '1') {
1829: #prints published resource
1830: $URLback=&escape('/adm/flip?postdata=return:');
1831: } else {
1832: #prints resource from the construction space
1833: $URLback='/'.$helper->{'VARS'}->{'filename'};
1834: if ($URLback=~/([^?]+)/) {
1835: $URLback=$1;
1836: $URLback=~s|^/~|/priv/|;
1837: }
1838: }
1839: # logic for now is too complex to trace if this has been defined
1840: # yet.
1841: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1842: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1843: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1844: 'cgi.'.$identifier.'.layout' => $laystyle,
1845: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1846: 'cgi.'.$identifier.'.paper' => $papersize,
1847: 'cgi.'.$identifier.'.selection' => $selectionmade,
1848: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1849: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1850: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1851: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1852: 'cgi.'.$identifier.'.studentnames' => $student_names,
1853: 'cgi.'.$identifier.'.backref' => $URLback,);
1854: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1855: "cgi.$identifier.domain" => $env{'user.domain'},
1856: "cgi.$identifier.courseid" => $cnum,
1857: "cgi.$identifier.coursedom" => $cdom,
1858: "cgi.$identifier.resources" => $resources_printed);
1859:
1860: my $end_page = &Apache::loncommon::end_page();
1861: $r->print(<<FINALEND);
1862: <br />
1863: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1864: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1865: $end_page
1866: FINALEND
1867: }
1868:
1869:
1870: sub get_CODE {
1871: my ($all_codes,$num,$seed,$size,$type)=@_;
1872: my $max='1'.'0'x$size;
1873: my $newcode;
1874: while(1) {
1875: $newcode=sprintf("%0".$size."d",int(rand($max)));
1876: if (!exists($$all_codes{$newcode})) {
1877: $$all_codes{$newcode}=1;
1878: if ($type eq 'number' ) {
1879: return $newcode;
1880: } else {
1881: return &num_to_letters($newcode);
1882: }
1883: }
1884: }
1885: }
1886:
1887: sub print_resources {
1888: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1889: $LaTeXwidth)=@_;
1890: my $current_output = '';
1891: my $printed = '';
1892: my ($username,$userdomain,$usersection) = split /:/,$person;
1893: my $fullname = &get_name($username,$userdomain);
1894: my $namepostfix;
1895: if ($person =~ 'anon') {
1896: $namepostfix="\\\\Name: ";
1897: $fullname = "CODE - ".$moreenv->{'CODE'};
1898: }
1899: # Fullname may have special latex characters that need \ prefixing:
1900: #
1901:
1902: my $i = 0;
1903: #goes through all resources, checks if they are available for
1904: #current student, and produces output
1905:
1906: &Apache::lonxml::clear_problem_counter();
1907: my %page_breaks = &get_page_breaks($helper);
1908: my @format_array = split(/\|/,$helper->{'VARS'}->{'FORMAT'});
1909: my $columns_in_format = $format_array[1];
1910: #
1911: # end each student with a
1912: # Special that allows the post processor to even out the page
1913: # counts later. Nasty problem this... it would be really
1914: # nice to put the special in as a postscript comment
1915: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
1916: # The special gets passed the \ and dvips puts it in the output file
1917: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
1918: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
1919: #
1920:
1921: foreach my $curresline (@{$master_seq}) {
1922: if (defined $page_breaks{$curresline}) {
1923: if($i != 0) {
1924: $current_output.= "\\newpage\n";
1925: }
1926: }
1927: $i++;
1928: if ( !($type eq 'problems' &&
1929: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1930: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1931: if (&Apache::lonnet::allowed('bre',$res_url)) {
1932: if ($res_url!~m|^ext/|
1933: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1934: $printed .= $curresline.':';
1935:
1936: &Apache::lonxml::remember_problem_counter();
1937:
1938: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1939:
1940: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1941: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1942: # Use a copy of the hash so we don't pervert it on future loop passes.
1943: my %answerenv = %{$moreenv};
1944: $answerenv{'answer_output_mode'}='tex';
1945: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1946:
1947: &Apache::lonxml::restore_problem_counter();
1948:
1949: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1950:
1951: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1952: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1953: } else {
1954:
1955:
1956: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1957: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1958: $body .=&path_to_problem($res_url,$LaTeXwidth);
1959: $body .='\vskip 1 mm '.$ansrendered;
1960: $body = &encapsulate_minipage($body);
1961: $rendered = $header.$body;
1962: }
1963: }
1964: if ($remove_latex_header eq 'YES') {
1965: $rendered = &latex_header_footer_remove($rendered);
1966: } else {
1967: $rendered =~ s/\\end{document}//;
1968: }
1969: $current_output .= $rendered;
1970: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1971: $printed .= $curresline.':';
1972: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1973:
1974: if ($remove_latex_header eq 'YES') {
1975: $rendered = &latex_header_footer_remove($rendered);
1976: } else {
1977: $rendered =~ s/\\end{document}//;
1978: }
1979: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1980:
1981: } else {
1982: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1983: if ($remove_latex_header ne 'NO') {
1984: $rendered = &latex_header_footer_remove($rendered);
1985: } else {
1986: $rendered =~ s/\\end{document}//;
1987: }
1988: $current_output .= $rendered;
1989: }
1990: }
1991: $remove_latex_header = 'YES';
1992: }
1993: if (&Apache::loncommon::connection_aborted($r)) { last; }
1994: }
1995: my $courseidinfo = &get_course();
1996: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1997: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1998: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1999: my $HeaderLine = $parmhash{'print_header_format'};
2000: $HeaderLine = format_page_header($HeaderLine, $currentassignment, $courseidinfo, $fullname);
2001: if ($current_output=~/\\documentclass/) {
2002: if ($columns_in_format == 1) {
2003: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{$HeaderLine$namepostfix}}\\vskip 5 mm /;
2004: } else {
2005: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fancyhead[LO]{$HeaderLine$namepostfix}}\\vskip 5 mm /;
2006:
2007: }
2008: } else {
2009: my $blankpages = '';
2010: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
2011: if ($columns_in_format == 1) {
2012: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
2013: } else {
2014: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
2015: }
2016: }
2017: #
2018: # Close the student bracketing.
2019: #
2020: $current_output .= "\n\\special{ps:ENDOFSTUDENTSTAMP}\n";
2021: return ($current_output,$fullname, $printed);
2022:
2023: }
2024:
2025: sub handler {
2026:
2027: my $r = shift;
2028:
2029: &init_perm();
2030:
2031:
2032:
2033: my $helper = printHelper($r);
2034: if (!ref($helper)) {
2035: return $helper;
2036: }
2037:
2038:
2039: %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2040:
2041:
2042:
2043:
2044: # If a figure conversion queue file exists for this user.domain
2045: # we delete it since it can only be bad (if it were good, printout.pl
2046: # would have deleted it the last time around.
2047:
2048: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
2049: if(-e $conversion_queuefile) {
2050: unlink $conversion_queuefile;
2051: }
2052: &output_data($r,$helper,\%parmhash);
2053: return OK;
2054: }
2055:
2056: use Apache::lonhelper;
2057:
2058: sub addMessage {
2059: my $text = shift;
2060: my $paramHash = Apache::lonhelper::getParamHash();
2061: $paramHash->{MESSAGE_TEXT} = $text;
2062: Apache::lonhelper::message->new();
2063: }
2064:
2065:
2066:
2067: sub init_perm {
2068: undef(%perm);
2069: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
2070: if (!$perm{'pav'}) {
2071: $perm{'pav'}=&Apache::lonnet::allowed('pav',
2072: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2073: }
2074: $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
2075: if (!$perm{'pfo'}) {
2076: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
2077: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
2078: }
2079: }
2080:
2081: sub printHelper {
2082: my $r = shift;
2083:
2084: if ($r->header_only) {
2085: if ($env{'browser.mathml'}) {
2086: &Apache::loncommon::content_type($r,'text/xml');
2087: } else {
2088: &Apache::loncommon::content_type($r,'text/html');
2089: }
2090: $r->send_http_header;
2091: return OK;
2092: }
2093:
2094: # Send header, nocache
2095: if ($env{'browser.mathml'}) {
2096: &Apache::loncommon::content_type($r,'text/xml');
2097: } else {
2098: &Apache::loncommon::content_type($r,'text/html');
2099: }
2100: &Apache::loncommon::no_cache($r);
2101: $r->send_http_header;
2102: $r->rflush();
2103:
2104: # Unfortunately, this helper is so complicated we have to
2105: # write it by hand
2106:
2107: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
2108:
2109: my $helper = Apache::lonhelper::helper->new("Printing Helper");
2110: $helper->declareVar('symb');
2111: $helper->declareVar('postdata');
2112: $helper->declareVar('curseed');
2113: $helper->declareVar('probstatus');
2114: $helper->declareVar('filename');
2115: $helper->declareVar('construction');
2116: $helper->declareVar('assignment');
2117: $helper->declareVar('style_file');
2118: $helper->declareVar('student_sort');
2119: $helper->declareVar('FINISHPAGE');
2120: $helper->declareVar('PRINT_TYPE');
2121: $helper->declareVar("showallfoils");
2122:
2123: # The page breaks can get loaded initially from the course environment:
2124: # But we only do this in the initial state so that they are allowed to change.
2125: #
2126:
2127: # $helper->{VARS}->{FINISHPAGE} = '';
2128:
2129: &Apache::loncommon::restore_course_settings('print',
2130: {'pagebreaks' => 'scalar',
2131: 'lastprinttype' => 'scalar'});
2132:
2133:
2134: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
2135: if (!defined ($env{"form.CURRENT_STATE"})) {
2136:
2137: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2138: } else {
2139: my $state = $env{"form.CURRENT_STATE"};
2140: if ($state eq "START") {
2141: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2142: }
2143: }
2144:
2145: }
2146:
2147:
2148: # This will persistently load in the data we want from the
2149: # very first screen.
2150: # Detect whether we're coming from construction space
2151: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
2152: $helper->{VARS}->{'filename'} = "~$1/$2";
2153: $helper->{VARS}->{'construction'} = 1;
2154: } else {
2155: if ($env{'form.postdata'}) {
2156: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
2157: }
2158: if ($env{'form.symb'}) {
2159: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2160: }
2161: if ($env{'form.url'}) {
2162: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2163: }
2164:
2165: }
2166:
2167: if ($env{'form.symb'}) {
2168: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2169: }
2170: if ($env{'form.url'}) {
2171: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2172:
2173: }
2174: $helper->{VARS}->{'symb'}=
2175: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
2176: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
2177: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
2178:
2179:
2180: # Extract map
2181: my $symb = $helper->{VARS}->{'symb'};
2182: my ($map, $id, $url);
2183: my $subdir;
2184:
2185: # Get the resource name from construction space
2186: if ($helper->{VARS}->{'construction'}) {
2187: $resourceTitle = substr($helper->{VARS}->{'filename'},
2188: rindex($helper->{VARS}->{'filename'}, '/')+1);
2189: $subdir = substr($helper->{VARS}->{'filename'},
2190: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
2191: } else {
2192: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
2193: $helper->{VARS}->{'postdata'} =
2194: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
2195:
2196: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
2197: my $postdata = $helper->{VARS}->{'postdata'};
2198: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
2199: }
2200: $subdir = &Apache::lonnet::filelocation("", $url);
2201: }
2202: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2203: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2204: }
2205: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2206: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2207: }
2208:
2209: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2210:
2211: Apache::lonhelper::registerHelperTags();
2212:
2213: # "Delete everything after the last slash."
2214: $subdir =~ s|/[^/]+$||;
2215: if (not $helper->{VARS}->{'construction'}) {
2216: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
2217: }
2218: # "Remove all duplicate slashes."
2219: $subdir =~ s|/+|/|g;
2220:
2221: # What can be printed is a very dynamic decision based on
2222: # lots of factors. So we need to dynamically build this list.
2223: # To prevent security leaks, states are only added to the wizard
2224: # if they can be reached, which ensures manipulating the form input
2225: # won't allow anyone to reach states they shouldn't have permission
2226: # to reach.
2227:
2228: # printChoices is tracking the kind of printing the user can
2229: # do, and will be used in a choices construction later.
2230: # In the meantime we will be adding states and elements to
2231: # the helper by hand.
2232: my $printChoices = [];
2233: my $paramHash;
2234:
2235: if ($resourceTitle) {
2236: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2237: }
2238:
2239: # Useful filter strings
2240: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2241: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2242: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2243: my $isNotMap = '!$res->is_sequence()';
2244: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2245: my $isMap = '$res->is_map()';
2246: my $symbFilter = '$res->shown_symb()';
2247: my $urlValue = '$res->link()';
2248:
2249: $helper->declareVar('SEQUENCE');
2250:
2251:
2252:
2253: # If we're in a sequence...
2254: my $startnew=&mt('Start new page<br />before selected');
2255: if (($helper->{'VARS'}->{'construction'} ne '1') &&
2256:
2257: $helper->{VARS}->{'postdata'} &&
2258: $helper->{VARS}->{'assignment'}) {
2259: # Allow problems from sequence
2260: push @{$printChoices}, [&mt('Selected <b>Problems</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems', 'CHOOSE_PROBLEMS'];
2261: # Allow all resources from sequence
2262: push @{$printChoices}, [&mt('Selected <b>Resources</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
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 $symbFilter;</valuefunc>
2271: <option text='$startnew' variable='FINISHPAGE' />
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 $symbFilter;</valuefunc>
2282: <option text='$startnew' variable='FINISHPAGE' />
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 $symbFilter;</valuefunc>
2305: <option text='$startnew' variable='FINISHPAGE' />
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 $symbFilter;</valuefunc>
2314: <option text='$startnew' variable='FINISHPAGE' />
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>anonymous students</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 $symbFilter;</valuefunc>
2342: <option text='$startnew' variable='FINISHPAGE' />
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}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
2414: </exec>
2415: </dropdown>
2416: <message></td></tr><tr><td colspan="2"><hr width=\'33%\' /></td></tr><tr><td></message>
2417: '.$/;
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="Select Students and Resources">
2437: <nextstate>SELECT_PROBLEMS</nextstate>
2438: <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
2439: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2440: <validator>
2441: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2442: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2443: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2444: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2445: return "You need to specify the number of assignments to print";
2446: }
2447: return undef;
2448: </validator>
2449: </string>
2450: <message></td></tr><tr><td></message>
2451: <message><b>Names to store the CODEs under for later:</b></message>
2452: <message></td><td></message>
2453: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2454: <message></td></tr><tr><td></message>
2455: <message><b>Bubble sheet type:</b></message>
2456: <message></td><td></message>
2457: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2458: $codechoice
2459: </dropdown>
2460: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2461: <message></td></tr><tr><td></message>
2462: <message><b>Enter a CODE to print:</b></td><td></message>
2463: <string variable="SINGLE_CODE" size="10">
2464: <validator>
2465: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2466: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2467: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2468: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2469: \$helper->{'VARS'}{'CODE_OPTION'});
2470: } else {
2471: return undef; # Other forces control us.
2472: }
2473: </validator>
2474: </string>
2475: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2476: $code_selection
2477:
2478:
2479: <message><b>Reprint a set of saved CODEs:</b></message>
2480: <message></td><td></message>
2481: <dropdown variable="REUSE_OLD_CODES">
2482: $namechoice
2483: </dropdown>
2484: <message></td></tr></table></message>
2485: <message><hr width='33%' /></message>
2486: </state>
2487: $resource_selector
2488: CHOOSE_ANON1
2489:
2490:
2491: if ($helper->{VARS}->{'assignment'}) {
2492: 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'];
2493: push @{$printChoices}, [&mt("Selected <b>Resources</b> from folder <b><i>[_1]</i></b> for <b>anonymous students</b>",$sequenceTitle), 'resources_for_anon', 'CHOOSE_ANON2'];
2494: }
2495:
2496:
2497: $resource_selector=<<RESOURCE_SELECTOR;
2498: <state name="SELECT_RESOURCES" title="Select Resources">
2499: <nextstate>PRINT_FORMATTING</nextstate>
2500: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2501: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2502: closeallpages="1">
2503: <filterfunc>return $isNotMap;</filterfunc>
2504: <mapurl>$map</mapurl>
2505: <valuefunc>return $symbFilter;</valuefunc>
2506: <option text='$startnew' variable='FINISHPAGE' />
2507: </resource>
2508: </state>
2509: <state name="PRINT_FORMATTING" title="Format of the print job">
2510: <nextstate>NUMBER_PER_PDF</nextstate>
2511: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2512: <choices variable="EMPTY_PAGES">
2513: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2514: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2515: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2516: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2517: </choices>
2518: <nextstate>PAGESIZE</nextstate>
2519: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2520: <choices variable="SPLIT_PDFS">
2521: <choice computer="all">All assignments in a single PDF file</choice>
2522: <choice computer="sections">Each PDF contains exactly one section</choice>
2523: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2524: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2525: Specify the number of assignments per PDF:</choice>
2526: </choices>
2527: </state>
2528: RESOURCE_SELECTOR
2529:
2530: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2531: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2532: <choices variable='student_sort'>
2533: <choice computer='0'>Sort by section then student</choice>
2534: <choice computer='1'>Sort by students across sections.</choice>
2535: </choices>
2536: <message><br /><hr /><br /></message>
2537: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
2538:
2539: </state>
2540: $resource_selector
2541: CHOOSE_STUDENTS1
2542:
2543: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2544: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2545: <nextstate>SELECT_RESOURCES</nextstate>
2546: <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
2547: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2548: <validator>
2549: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2550: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2551: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2552: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2553: return "You need to specify the number of assignments to print";
2554: }
2555: return undef;
2556: </validator>
2557: </string>
2558: <message></td></tr><tr><td></message>
2559: <message><b>Names to store the CODEs under for later:</b></message>
2560: <message></td><td></message>
2561: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2562: <message></td></tr><tr><td></message>
2563: <message><b>Bubble sheet type:</b></message>
2564: <message></td><td></message>
2565: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2566: $codechoice
2567: </dropdown>
2568: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2569: <message></td></tr><tr><td></message>
2570: <message><b>Enter a CODE to print:</b></td><td></message>
2571: <string variable="SINGLE_CODE" size="10">
2572: <validator>
2573: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2574: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2575: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2576: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2577: \$helper->{'VARS'}{'CODE_OPTION'});
2578: } else {
2579: return undef; # Other forces control us.
2580: }
2581: </validator>
2582: </string>
2583: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2584: $code_selection
2585: <message><b>Reprint a set of saved CODEs:</b></message>
2586: <message></td><td></message>
2587: <dropdown variable="REUSE_OLD_CODES">
2588: $namechoice
2589: </dropdown>
2590: <message></td></tr></table></message>
2591: <message><hr width='33%' /></message>
2592: </state>
2593: $resource_selector
2594: CHOOSE_ANON2
2595: }
2596:
2597: # FIXME: That RE should come from a library somewhere.
2598: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2599: push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$subdir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2600:
2601: my $f = '$filename';
2602: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2603: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2604:
2605: <files variable="FILES" multichoice='1'>
2606: <nextstate>PAGESIZE</nextstate>
2607: <filechoice>return '$subdir';</filechoice>
2608: CHOOSE_FROM_SUBDIR
2609:
2610: # this is broken up because I really want interpolation above,
2611: # and I really DON'T want it below
2612: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2613: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2614: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2615: </filefilter>
2616: </files>
2617: </state>
2618: CHOOSE_FROM_SUBDIR
2619: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2620: }
2621:
2622: # Allow the user to select any sequence in the course, feed it to
2623: # another resource selector for that sequence
2624: if (!$helper->{VARS}->{'construction'}) {
2625: push @$printChoices, ["Selected <b>Resources</b> from <b>selected folder</b> in course",
2626: 'select_sequences', 'CHOOSE_SEQUENCE'];
2627: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2628: #Escape apostrophes and backslashes for Perl
2629: $escapedSequenceName =~ s/\\/\\\\/g;
2630: $escapedSequenceName =~ s/'/\\'/g;
2631: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2632: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2633: <message>Select the sequence to print resources from:</message>
2634: <resource variable="SEQUENCE">
2635: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2636: <filterfunc>return \$res->is_sequence;</filterfunc>
2637: <valuefunc>return $urlValue;</valuefunc>
2638: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2639: </choicefunc>
2640: </resource>
2641: </state>
2642: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2643: <message>(mark desired resources then click "next" button) <br /></message>
2644: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2645: closeallpages="1">
2646: <nextstate>PAGESIZE</nextstate>
2647: <filterfunc>return $isProblem</filterfunc>
2648: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2649: <valuefunc>return $symbFilter;</valuefunc>
2650: <option text='$startnew' variable='FINISHPAGE' />
2651: </resource>
2652: </state>
2653: CHOOSE_FROM_ANY_SEQUENCE
2654: }
2655:
2656: # Generate the first state, to select which resources get printed.
2657: Apache::lonhelper::state->new("START", "Select Printing Options:");
2658: $paramHash = Apache::lonhelper::getParamHash();
2659: $paramHash->{MESSAGE_TEXT} = "";
2660: Apache::lonhelper::message->new();
2661: $paramHash = Apache::lonhelper::getParamHash();
2662: $paramHash->{'variable'} = 'PRINT_TYPE';
2663: $paramHash->{CHOICES} = $printChoices;
2664: Apache::lonhelper::choices->new();
2665:
2666: my $startedTable = 0; # have we started an HTML table yet? (need
2667: # to close it later)
2668:
2669: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2670: ($helper->{VARS}->{'construction'} eq '1')) {
2671: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2672: $paramHash = Apache::lonhelper::getParamHash();
2673: $paramHash->{'variable'} = 'ANSWER_TYPE';
2674: $helper->declareVar('ANSWER_TYPE');
2675: $paramHash->{CHOICES} = [
2676: ['Without Answers', 'yes'],
2677: ['With Answers', 'no'],
2678: ['Only Answers', 'only']
2679: ];
2680: Apache::lonhelper::dropdown->new();
2681: addMessage("</td></tr>");
2682: $startedTable = 1;
2683: }
2684:
2685: if ($perm{'pav'}) {
2686: if (!$startedTable) {
2687: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2688: $startedTable = 1;
2689: } else {
2690: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2691: }
2692: $paramHash = Apache::lonhelper::getParamHash();
2693: $paramHash->{'variable'} = 'LATEX_TYPE';
2694: $helper->declareVar('LATEX_TYPE');
2695: if ($helper->{VARS}->{'construction'} eq '1') {
2696: $paramHash->{CHOICES} = [
2697: ['standard LaTeX mode', 'standard'],
2698: ['LaTeX batchmode', 'batchmode'], ];
2699: } else {
2700: $paramHash->{CHOICES} = [
2701: ['LaTeX batchmode', 'batchmode'],
2702: ['standard LaTeX mode', 'standard'] ];
2703: }
2704: Apache::lonhelper::dropdown->new();
2705:
2706: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2707: $paramHash = Apache::lonhelper::getParamHash();
2708: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2709: $helper->declareVar('TABLE_CONTENTS');
2710: $paramHash->{CHOICES} = [
2711: ['No', 'no'],
2712: ['Yes', 'yes'] ];
2713: Apache::lonhelper::dropdown->new();
2714: addMessage("</td></tr>");
2715:
2716: if (not $helper->{VARS}->{'construction'}) {
2717: addMessage("<tr><td align='right'>Print Index: </td><td>");
2718: $paramHash = Apache::lonhelper::getParamHash();
2719: $paramHash->{'variable'} = 'TABLE_INDEX';
2720: $helper->declareVar('TABLE_INDEX');
2721: $paramHash->{CHOICES} = [
2722: ['No', 'no'],
2723: ['Yes', 'yes'] ];
2724: Apache::lonhelper::dropdown->new();
2725: addMessage("</td></tr>");
2726: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2727: $paramHash = Apache::lonhelper::getParamHash();
2728: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2729: $helper->declareVar('PRINT_DISCUSSIONS');
2730: $paramHash->{CHOICES} = [
2731: ['No', 'no'],
2732: ['Yes', 'yes'] ];
2733: Apache::lonhelper::dropdown->new();
2734: addMessage("</td></tr>");
2735:
2736: addMessage("<tr><td align = 'right'> </td><td>");
2737: $paramHash = Apache::lonhelper::getParamHash();
2738: $paramHash->{'multichoice'} = "true";
2739: $paramHash->{'allowempty'} = "true";
2740: $paramHash->{'variable'} = "showallfoils";
2741: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2742: Apache::lonhelper::choices->new();
2743: addMessage("</td></tr>");
2744: }
2745:
2746: if ($helper->{'VARS'}->{'construction'}) {
2747: my $stylevalue=$env{'construct.style'};
2748: my $xmlfrag .= <<"RNDSEED";
2749: <message><tr><td align='right'>Use random seed: </td><td></message>
2750: <string variable="curseed" size="15" maxlength="15">
2751: <defaultvalue>
2752: return $helper->{VARS}->{'curseed'};
2753: </defaultvalue>
2754: </string>
2755: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2756: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
2757: <choices allowempty="1" multichoice="true" variable="showallfoils">
2758: <choice computer="1">Show all foils?</choice>
2759: </choices>
2760: <message></td></tr></message>
2761: RNDSEED
2762: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2763: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2764:
2765: }
2766: }
2767:
2768:
2769:
2770:
2771: if ($startedTable) {
2772: addMessage("</table>");
2773: }
2774:
2775: Apache::lonprintout::page_format_state->new("FORMAT");
2776:
2777: # Generate the PAGESIZE state which will offer the user the margin
2778: # choices if they select one column
2779: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2780: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2781:
2782:
2783: $helper->process();
2784:
2785:
2786: # MANUAL BAILOUT CONDITION:
2787: # If we're in the "final" state, bailout and return to handler
2788: if ($helper->{STATE} eq 'FINAL') {
2789: return $helper;
2790: }
2791:
2792: $r->print($helper->display());
2793: if ($helper->{STATE} eq 'START') {
2794: &recently_generated($r);
2795: }
2796: &Apache::lonhelper::unregisterHelperTags();
2797:
2798: return OK;
2799: }
2800:
2801:
2802: 1;
2803:
2804: package Apache::lonprintout::page_format_state;
2805:
2806: =pod
2807:
2808: =head1 Helper element: page_format_state
2809:
2810: See lonhelper.pm documentation for discussion of the helper framework.
2811:
2812: Apache::lonprintout::page_format_state is an element that gives the
2813: user an opportunity to select the page layout they wish to print
2814: with: Number of columns, portrait/landscape, and paper size. If you
2815: want to change the paper size choices, change the @paperSize array
2816: contents in this package.
2817:
2818: page_format_state is always directly invoked in lonprintout.pm, so there
2819: is no tag interface. You actually pass parameters to the constructor.
2820:
2821: =over 4
2822:
2823: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2824:
2825: =back
2826:
2827: =cut
2828:
2829: use Apache::lonhelper;
2830:
2831: no strict;
2832: @ISA = ("Apache::lonhelper::element");
2833: use strict;
2834: use Apache::lonlocal;
2835: use Apache::lonnet;
2836:
2837: my $maxColumns = 2;
2838: # it'd be nice if these all worked
2839: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2840: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2841: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2842: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2843: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2844: "a4 [210x297 mm]");
2845:
2846: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2847: # Paper type
2848:
2849: sub new {
2850: my $self = Apache::lonhelper::element->new();
2851:
2852: shift;
2853:
2854: $self->{'variable'} = shift;
2855: my $helper = Apache::lonhelper::getHelper();
2856: $helper->declareVar($self->{'variable'});
2857: bless($self);
2858: return $self;
2859: }
2860:
2861: sub render {
2862: my $self = shift;
2863: my $helper = Apache::lonhelper::getHelper();
2864: my $result = '';
2865: my $var = $self->{'variable'};
2866: my $PageLayout=&mt('Page layout');
2867: my $NumberOfColumns=&mt('Number of columns');
2868: my $PaperType=&mt('Paper type');
2869: $result .= <<STATEHTML;
2870:
2871: <hr width="33%" />
2872: <table cellpadding="3">
2873: <tr>
2874: <td align="center"><b>$PageLayout</b></td>
2875: <td align="center"><b>$NumberOfColumns</b></td>
2876: <td align="center"><b>$PaperType</b></td>
2877: </tr>
2878: <tr>
2879: <td>
2880: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2881: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2882: </td>
2883: <td align="center">
2884: <select name="${var}.cols">
2885: STATEHTML
2886:
2887: my $i;
2888: for ($i = 1; $i <= $maxColumns; $i++) {
2889: if ($i == 2) {
2890: $result .= "<option value='$i' selected>$i</option>\n";
2891: } else {
2892: $result .= "<option value='$i'>$i</option>\n";
2893: }
2894: }
2895:
2896: $result .= "</select></td><td>\n";
2897: $result .= "<select name='${var}.paper'>\n";
2898:
2899: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2900: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
2901: $DefaultPaperSize=~s/\s//g;
2902: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2903: $i = 0;
2904: foreach (@paperSize) {
2905: $_=~/(\w+)/;
2906: my $papersize=$1;
2907: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2908: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2909: } else {
2910: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2911: }
2912: $i++;
2913: }
2914: $result .= "</select></td></tr></table>";
2915: return $result;
2916: }
2917:
2918: sub postprocess {
2919: my $self = shift;
2920:
2921: my $var = $self->{'variable'};
2922: my $helper = Apache::lonhelper->getHelper();
2923: $helper->{VARS}->{$var} =
2924: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2925: $env{"form.$var.paper"};
2926: return 1;
2927: }
2928:
2929: 1;
2930:
2931: package Apache::lonprintout::page_size_state;
2932:
2933: =pod
2934:
2935: =head1 Helper element: page_size_state
2936:
2937: See lonhelper.pm documentation for discussion of the helper framework.
2938:
2939: Apache::lonprintout::page_size_state is an element that gives the
2940: user the opportunity to further refine the page settings if they
2941: select a single-column page.
2942:
2943: page_size_state is always directly invoked in lonprintout.pm, so there
2944: is no tag interface. You actually pass parameters to the constructor.
2945:
2946: =over 4
2947:
2948: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2949:
2950: =back
2951:
2952: =cut
2953:
2954: use Apache::lonhelper;
2955: use Apache::lonnet;
2956: no strict;
2957: @ISA = ("Apache::lonhelper::element");
2958: use strict;
2959:
2960:
2961:
2962: sub new {
2963: my $self = Apache::lonhelper::element->new();
2964:
2965: shift; # disturbs me (probably prevents subclassing) but works (drops
2966: # package descriptor)... - Jeremy
2967:
2968: $self->{'variable'} = shift;
2969: my $helper = Apache::lonhelper::getHelper();
2970: $helper->declareVar($self->{'variable'});
2971:
2972: # The variable name of the format element, so we can look into
2973: # $helper->{VARS} to figure out whether the columns are one or two
2974: $self->{'formatvar'} = shift;
2975:
2976: # The state to transition to after selection, or after discovering
2977: # the cols are not set to 1
2978: $self->{NEXTSTATE} = shift;
2979: bless($self);
2980: return $self;
2981: }
2982:
2983: sub render {
2984: my $self = shift;
2985: my $helper = Apache::lonhelper::getHelper();
2986: my $result = '';
2987: my $var = $self->{'variable'};
2988:
2989: if (defined $self->{ERROR_MSG}) {
2990: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2991: }
2992:
2993: my $width = 18;
2994: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2995: if (substr($format, 2, 1) ne '1') {
2996: $width = 9;
2997: }
2998:
2999: $result .= <<ELEMENTHTML;
3000:
3001: <p>How should the column be formatted?</p>
3002:
3003: <table cellpadding='3'>
3004: <tr>
3005: <td align='right'><b>Width</b>:</td>
3006: <td align='left'><input type='text' name='$var.width' value='$width' size='4'></td>
3007: <td align='left'>
3008: <select name='$var.widthunit'>
3009: <option>cm</option><option>in</option>
3010: </select>
3011: </td>
3012: </tr>
3013: <tr>
3014: <td align='right'><b>Height</b>:</td>
3015: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
3016: <td align='left'>
3017: <select name='$var.heightunit'>
3018: <option>cm</option><option>in</option>
3019: </select>
3020: </td>
3021: </tr>
3022: <tr>
3023: <td align='right'><b>Left margin</b>:</td>
3024: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
3025: <td align='left'>
3026: <select name='$var.lmarginunit'>
3027: <option>cm</option><option>in</option>
3028: </select>
3029: </td>
3030: </tr>
3031: </table>
3032:
3033: <p>Hint: Some instructors like to leave scratch space for the student by
3034: making the width much smaller than the width of the page.</p>
3035:
3036: ELEMENTHTML
3037:
3038: return $result;
3039: }
3040:
3041: # If the user didn't select 1 column, skip this state.
3042: sub preprocess {
3043: my $self = shift;
3044: my $helper = Apache::lonhelper::getHelper();
3045:
3046: my $format = $helper->{VARS}->{$self->{'formatvar'}};
3047: if (substr($format, 2, 1) ne '1') {
3048: $helper->changeState($self->{NEXTSTATE});
3049: }
3050:
3051: return 1;
3052: }
3053:
3054: sub postprocess {
3055: my $self = shift;
3056:
3057: my $var = $self->{'variable'};
3058: my $helper = Apache::lonhelper->getHelper();
3059: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
3060: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
3061: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
3062: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
3063: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
3064: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
3065:
3066: my $error = '';
3067:
3068: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
3069: # by an optional period, followed by digits, ending the string
3070:
3071: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
3072: $error .= "Invalid width; please type only a number.<br />\n";
3073: }
3074: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
3075: $error .= "Invalid height; please type only a number.<br />\n";
3076: }
3077: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
3078: $error .= "Invalid left margin; please type only a number.<br />\n";
3079: }
3080:
3081: if (!$error) {
3082: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
3083: return 1;
3084: } else {
3085: $self->{ERROR_MSG} = $error;
3086: return 0;
3087: }
3088: }
3089:
3090:
3091:
3092: __END__
3093:
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