1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.444 2006/06/26 21:20:37 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:
50: #
51: # Convert a numeric code to letters
52: #
53: sub num_to_letters {
54: my ($num) = @_;
55: my @nums= split('',$num);
56: my @num_to_let=('A'..'Z');
57: my $word;
58: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
59: return $word;
60: }
61: # Convert a letter code to numeric.
62: #
63: sub letters_to_num {
64: my ($letters) = @_;
65: my @letters = split('', uc($letters));
66: my %substitution;
67: my $digit = 0;
68: foreach my $letter ('A'..'J') {
69: $substitution{$letter} = $digit;
70: $digit++;
71: }
72: # The substitution is done as below to preserve leading
73: # zeroes which are needed to keep the code size exact
74: #
75: my $result ="";
76: foreach my $letter (@letters) {
77: $result.=$substitution{$letter};
78: }
79: return $result;
80: }
81:
82: # Determine if a code is a valid numeric code. Valid
83: # numeric codes must be comprised entirely of digits and
84: # have a correct number of digits.
85: #
86: # Parameters:
87: # value - proposed code value.
88: # num_digits - Number of digits required.
89: #
90: sub is_valid_numeric_code {
91: my ($value, $num_digits) = @_;
92: # Remove leading/trailing whitespace;
93: $value =~ s/^\s*//g;
94: $value =~ s/\s*$//g;
95:
96: # All digits?
97: if ($value !~ /^[0-9]+$/) {
98: return "Numeric code $value has invalid characters - must only be digits";
99: }
100: if (length($value) != $num_digits) {
101: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
102: }
103: return undef;
104: }
105: # Determines if a code is a valid alhpa code. Alpha codes
106: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
107: # They also have a correct digit count.
108: # Parameters:
109: # value - Proposed code value.
110: # num_letters - correct number of letters.
111: # Note:
112: # leading and trailing whitespace are ignored.
113: #
114: sub is_valid_alpha_code {
115: my ($value, $num_letters) = @_;
116:
117: # strip leading and trailing spaces.
118:
119: $value =~ s/^\s*//g;
120: $value =~ s/\s*$//g;
121:
122: # All alphas in the right range?
123: if ($value !~ /^[A-J,a-j]+$/) {
124: return "Invalid letter code $value must only contain A-J";
125: }
126: if (length($value) != $num_letters) {
127: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
128: }
129: return undef;
130: }
131:
132: # Determine if a code entered by the user in a helper is valid.
133: # valid depends on the code type and the type of code selected.
134: # The type of code selected can either be numeric or
135: # Alphabetic. If alphabetic, the code, in fact is a simple
136: # substitution cipher for the actual numeric code: 0->A, 1->B ...
137: # We'll be nice and be case insensitive for alpha codes.
138: # Parameters:
139: # code_value - the value of the code the user typed in.
140: # code_option - The code type selected from the set in the scantron format
141: # table.
142: # Returns:
143: # undef - The code is valid.
144: # other - An error message indicating what's wrong.
145: #
146: sub is_code_valid {
147: my ($code_value, $code_option) = @_;
148: my ($code_type, $code_length) = ('letter', 6); # defaults.
149: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
150: foreach my $line (<FG>) {
151: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
152: if($name eq $code_option) {
153: $code_length = $length;
154: if($type eq 'number') {
155: $code_type = 'number';
156: }
157: }
158: }
159: my $valid;
160: if ($code_type eq 'number') {
161: return &is_valid_numeric_code($code_value, $code_length);
162: } else {
163: return &is_valid_alpha_code($code_value, $code_length);
164: }
165:
166: }
167:
168: # Compare two students by name. The students are in the form
169: # returned by the helper:
170: # user:domain:section:last, first:status
171: # This is a helper function for the perl sort built-in therefore:
172: # Implicit Inputs:
173: # $a - The first element to compare (global)
174: # $b - The second element to compare (global)
175: # Returns:
176: # -1 - $a < $b
177: # 0 - $a == $b
178: # +1 - $a > $b
179: # Note that the initial comparison is done on the last names with the
180: # first names only used to break the tie.
181: #
182: #
183: sub compare_names {
184: # First split the names up into the primary fields.
185:
186: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
187: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
188:
189: # Now split the last name and first name of each n:
190: #
191:
192: my ($l1,$f1) = split(/,/, $n1);
193: my ($l2,$f2) = split(/,/, $n2);
194:
195: # We don't bother to remove the leading/trailing whitespace from the
196: # firstname, unless the last names compare identical.
197:
198: if($l1 lt $l2) {
199: return -1;
200: }
201: if($l1 gt $l2) {
202: return 1;
203: }
204:
205: # Break the tie on the first name, but there are leading (possibly trailing
206: # whitespaces to get rid of first
207: #
208: $f1 =~ s/^\s+//; # Remove leading...
209: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
210:
211: $f2 =~ s/^\s+//;
212: $f2 =~ s/\s+$//; # And the same for first 2...
213:
214: if($f1 lt $f2) {
215: return -1;
216: }
217: if($f1 gt $f2) {
218: return 1;
219: }
220:
221: # Must be the same name.
222:
223: return 0;
224: }
225:
226: sub latex_header_footer_remove {
227: my $text = shift;
228: $text =~ s/\\end{document}//;
229: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
230: return $text;
231: }
232: #
233: # If necessary, encapsulate text inside
234: # a minipage env.
235: # necessity is determined by the problem_split param.
236: #
237: sub encapsulate_minipage {
238: my ($text) = @_;
239: if (!($env{'form.problem.split'} =~ /yes/i)) {
240: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
241: }
242: return $text;
243: }
244: #
245: # The NUMBER_TO_PRINT and SPLIT_PDFS
246: # variables interact, this sub looks at these two parameters
247: # and comes up with a final value for NUMBER_TO_PRINT which can be:
248: # all - if SPLIT_PDFS eq 'all'.
249: # 1 - if SPLIT_PDFS eq 'oneper'
250: # section - if SPLIT_PDFS eq 'sections'
251: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
252: #
253: sub adjust_number_to_print {
254: my $helper = shift;
255:
256: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
257:
258: if ($split_pdf eq 'all') {
259: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
260: } elsif ($split_pdf eq 'oneper') {
261: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
262: } elsif ($split_pdf eq 'sections') {
263: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
264: } elsif ($split_pdf eq 'usenumber') {
265: # Unmodified.
266: } else {
267: # Error!!!!
268:
269: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
270: }
271: }
272:
273: sub character_chart {
274: my $result = shift;
275: $result =~ s/&\#0?0?(7|9);//g;
276: $result =~ s/&\#0?(10|13);//g;
277: $result =~ s/&\#0?32;/ /g;
278: $result =~ s/&\#0?33;/!/g;
279: $result =~ s/&(\#0?34|quot);/\"/g;
280: $result =~ s/&\#0?35;/\\\#/g;
281: $result =~ s/&\#0?36;/\\\$/g;
282: $result =~ s/&\#0?37;/\\%/g;
283: $result =~ s/&(\#0?38|amp);/\\&/g;
284: $result =~ s/&\#(0?39|146);/\'/g;
285: $result =~ s/&\#0?40;/(/g;
286: $result =~ s/&\#0?41;/)/g;
287: $result =~ s/&\#0?42;/\*/g;
288: $result =~ s/&\#0?43;/\+/g;
289: $result =~ s/&\#(0?44|130);/,/g;
290: $result =~ s/&\#0?45;/-/g;
291: $result =~ s/&\#0?46;/\./g;
292: $result =~ s/&\#0?47;/\//g;
293: $result =~ s/&\#0?48;/0/g;
294: $result =~ s/&\#0?49;/1/g;
295: $result =~ s/&\#0?50;/2/g;
296: $result =~ s/&\#0?51;/3/g;
297: $result =~ s/&\#0?52;/4/g;
298: $result =~ s/&\#0?53;/5/g;
299: $result =~ s/&\#0?54;/6/g;
300: $result =~ s/&\#0?55;/7/g;
301: $result =~ s/&\#0?56;/8/g;
302: $result =~ s/&\#0?57;/9/g;
303: $result =~ s/&\#0?58;/:/g;
304: $result =~ s/&\#0?59;/;/g;
305: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
306: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
307: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
308: $result =~ s/&\#0?63;/\?/g;
309: $result =~ s/&\#0?65;/A/g;
310: $result =~ s/&\#0?66;/B/g;
311: $result =~ s/&\#0?67;/C/g;
312: $result =~ s/&\#0?68;/D/g;
313: $result =~ s/&\#0?69;/E/g;
314: $result =~ s/&\#0?70;/F/g;
315: $result =~ s/&\#0?71;/G/g;
316: $result =~ s/&\#0?72;/H/g;
317: $result =~ s/&\#0?73;/I/g;
318: $result =~ s/&\#0?74;/J/g;
319: $result =~ s/&\#0?75;/K/g;
320: $result =~ s/&\#0?76;/L/g;
321: $result =~ s/&\#0?77;/M/g;
322: $result =~ s/&\#0?78;/N/g;
323: $result =~ s/&\#0?79;/O/g;
324: $result =~ s/&\#0?80;/P/g;
325: $result =~ s/&\#0?81;/Q/g;
326: $result =~ s/&\#0?82;/R/g;
327: $result =~ s/&\#0?83;/S/g;
328: $result =~ s/&\#0?84;/T/g;
329: $result =~ s/&\#0?85;/U/g;
330: $result =~ s/&\#0?86;/V/g;
331: $result =~ s/&\#0?87;/W/g;
332: $result =~ s/&\#0?88;/X/g;
333: $result =~ s/&\#0?89;/Y/g;
334: $result =~ s/&\#0?90;/Z/g;
335: $result =~ s/&\#0?91;/[/g;
336: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
337: $result =~ s/&\#0?93;/]/g;
338: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
339: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
340: $result =~ s/&\#(0?96|145);/\`/g;
341: $result =~ s/&\#0?97;/a/g;
342: $result =~ s/&\#0?98;/b/g;
343: $result =~ s/&\#0?99;/c/g;
344: $result =~ s/&\#100;/d/g;
345: $result =~ s/&\#101;/e/g;
346: $result =~ s/&\#102;/f/g;
347: $result =~ s/&\#103;/g/g;
348: $result =~ s/&\#104;/h/g;
349: $result =~ s/&\#105;/i/g;
350: $result =~ s/&\#106;/j/g;
351: $result =~ s/&\#107;/k/g;
352: $result =~ s/&\#108;/l/g;
353: $result =~ s/&\#109;/m/g;
354: $result =~ s/&\#110;/n/g;
355: $result =~ s/&\#111;/o/g;
356: $result =~ s/&\#112;/p/g;
357: $result =~ s/&\#113;/q/g;
358: $result =~ s/&\#114;/r/g;
359: $result =~ s/&\#115;/s/g;
360: $result =~ s/&\#116;/t/g;
361: $result =~ s/&\#117;/u/g;
362: $result =~ s/&\#118;/v/g;
363: $result =~ s/&\#119;/w/g;
364: $result =~ s/&\#120;/x/g;
365: $result =~ s/&\#121;/y/g;
366: $result =~ s/&\#122;/z/g;
367: $result =~ s/&\#123;/\\{/g;
368: $result =~ s/&\#124;/\|/g;
369: $result =~ s/&\#125;/\\}/g;
370: $result =~ s/&\#126;/\~/g;
371: $result =~ s/&\#131;/\\textflorin /g;
372: $result =~ s/&\#132;/\"/g;
373: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
374: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
375: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
376: $result =~ s/&\#137;/\\textperthousand /g;
377: $result =~ s/&\#140;/{\\OE}/g;
378: $result =~ s/&\#147;/\`\`/g;
379: $result =~ s/&\#148;/\'\'/g;
380: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
381: $result =~ s/&\#150;/--/g;
382: $result =~ s/&\#151;/---/g;
383: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
384: $result =~ s/&\#153;/\\texttrademark /g;
385: $result =~ s/&\#156;/\\oe/g;
386: $result =~ s/&\#159;/\\\"Y/g;
387: $result =~ s/&(\#160|nbsp);/~/g;
388: $result =~ s/&(\#161|iexcl);/!\`/g;
389: $result =~ s/&(\#162|cent);/\\textcent /g;
390: $result =~ s/&(\#163|pound);/\\pounds /g;
391: $result =~ s/&(\#164|curren);/\\textcurrency /g;
392: $result =~ s/&(\#165|yen);/\\textyen /g;
393: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
394: $result =~ s/&(\#167|sect);/\\textsection /g;
395: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
396: $result =~ s/&(\#169|copy);/\\copyright /g;
397: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
398: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
399: $result =~ s/&(\#173|shy);/ - /g;
400: $result =~ s/&(\#174|reg);/\\textregistered /g;
401: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
402: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
403: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
404: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
405: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
406: $result =~ s/&(\#180|acute);/\\textacute /g;
407: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
408: $result =~ s/&(\#182|para);/\\P/g;
409: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
410: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
411: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
412: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
413: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
414: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
415: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
416: $result =~ s/&(\#191|iquest);/?\`/g;
417: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
418: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
419: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
420: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
421: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
422: $result =~ s/&(\#197|Aring);/{\\AA}/g;
423: $result =~ s/&(\#198|AElig);/{\\AE}/g;
424: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
425: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
426: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
427: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
428: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
429: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
430: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
431: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
432: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
433: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
434: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
435: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
436: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
437: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
438: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
439: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
440: $result =~ s/&(\#216|Oslash);/{\\O}/g;
441: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
442: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
443: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
444: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
445: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
446: $result =~ s/&(\#223|szlig);/{\\ss}/g;
447: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
448: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
449: $result =~ s/&(\#226|acirc);/\\^{a}/g;
450: $result =~ s/&(\#227|atilde);/\\~{a}/g;
451: $result =~ s/&(\#228|auml);/\\\"{a}/g;
452: $result =~ s/&(\#229|aring);/{\\aa}/g;
453: $result =~ s/&(\#230|aelig);/{\\ae}/g;
454: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
455: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
456: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
457: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
458: $result =~ s/&(\#235|euml);/\\\"{e}/g;
459: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
460: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
461: $result =~ s/&(\#238|icirc);/\\^{i}/g;
462: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
463: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
464: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
465: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
466: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
467: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
468: $result =~ s/&(\#245|otilde);/\\~{o}/g;
469: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
470: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
471: $result =~ s/&(\#248|oslash);/{\\o}/g;
472: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
473: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
474: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
475: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
476: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
477: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
478: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
479: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
480: #Greek Alphabet
481: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
482: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
483: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
484: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
485: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
486: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
487: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
488: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
489: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
490: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
491: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
492: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
493: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
494: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
495: $result =~ s/&(omicron|\#959);/o/g;
496: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
497: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
498: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
499: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
500: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
501: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
502: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
503: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
504: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
505: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
506: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
507: $result =~ s/&(Alpha|\#913);/A/g;
508: $result =~ s/&(Beta|\#914);/B/g;
509: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
510: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
511: $result =~ s/&(Epsilon|\#917);/E/g;
512: $result =~ s/&(Zeta|\#918);/Z/g;
513: $result =~ s/&(Eta|\#919);/H/g;
514: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
515: $result =~ s/&(Iota|\#921);/I/g;
516: $result =~ s/&(Kappa|\#922);/K/g;
517: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
518: $result =~ s/&(Mu|\#924);/M/g;
519: $result =~ s/&(Nu|\#925);/N/g;
520: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
521: $result =~ s/&(Omicron|\#927);/O/g;
522: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
523: $result =~ s/&(Rho|\#929);/P/g;
524: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
525: $result =~ s/&(Tau|\#932);/T/g;
526: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
527: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
528: $result =~ s/&(Chi|\#935);/X/g;
529: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
530: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
531: #Arrows (extended HTML 4.01)
532: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
533: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
534: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
535: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
536: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
537: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
538: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
539: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
540: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
541: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
542: #Mathematical Operators (extended HTML 4.01)
543: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
544: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
545: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
546: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
547: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
548: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
549: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
550: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
551: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
552: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
553: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
554: $result =~ s/–/\\ensuremath\{-\}/g;
555: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
556: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
557: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
558: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
559: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
560: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
561: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
562: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
563: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
564: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
565: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
566: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
567: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
568: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
569: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
570: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
571: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
572: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
573: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
574: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
575: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
576: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
577: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
578: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
579: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
580: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
581: #Geometric Shapes (extended HTML 4.01)
582: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
583: #Miscellaneous Symbols (extended HTML 4.01)
584: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
585: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
586: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
587: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
588: return $result;
589: }
590:
591:
592: #width, height, oddsidemargin, evensidemargin, topmargin
593: my %page_formats=
594: ('letter' => {
595: 'book' => {
596: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
597: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
598: },
599: 'album' => {
600: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'],
601: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
602: },
603: },
604: 'legal' => {
605: 'book' => {
606: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
607: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
608: },
609: 'album' => {
610: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
611: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
612: },
613: },
614: 'tabloid' => {
615: 'book' => {
616: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
617: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
618: },
619: 'album' => {
620: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
621: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
622: },
623: },
624: 'executive' => {
625: 'book' => {
626: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
627: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
628: },
629: 'album' => {
630: '1' => [],
631: '2' => []
632: },
633: },
634: 'a2' => {
635: 'book' => {
636: '1' => [],
637: '2' => []
638: },
639: 'album' => {
640: '1' => [],
641: '2' => []
642: },
643: },
644: 'a3' => {
645: 'book' => {
646: '1' => [],
647: '2' => []
648: },
649: 'album' => {
650: '1' => [],
651: '2' => []
652: },
653: },
654: 'a4' => {
655: 'book' => {
656: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
657: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
658: },
659: 'album' => {
660: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
661: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
662: },
663: },
664: 'a5' => {
665: 'book' => {
666: '1' => [],
667: '2' => []
668: },
669: 'album' => {
670: '1' => [],
671: '2' => []
672: },
673: },
674: 'a6' => {
675: 'book' => {
676: '1' => [],
677: '2' => []
678: },
679: 'album' => {
680: '1' => [],
681: '2' => []
682: },
683: },
684: );
685:
686: sub page_format {
687: #
688: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
689: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
690: # "A2 [420x594 mm]", "A3 [297x420 mm]",
691: # "A4 [210x297 mm]", "A5 [148x210 mm]",
692: # "A6 [105x148 mm]"
693: #
694: my ($papersize,$layout,$numberofcolumns) = @_;
695: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
696: }
697:
698:
699: sub get_name {
700: my ($uname,$udom)=@_;
701: if (!defined($uname)) { $uname=$env{'user.name'}; }
702: if (!defined($udom)) { $udom=$env{'user.domain'}; }
703: my $plainname=&Apache::loncommon::plainname($uname,$udom);
704: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
705: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
706: return $plainname;
707: }
708:
709: sub get_course {
710: my $courseidinfo;
711: if (defined($env{'request.course.id'})) {
712: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
713: }
714: return $courseidinfo;
715: }
716:
717: sub page_format_transformation {
718: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
719: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
720: if ($selectionmade eq '4') {
721: $assignment='Problems from the Whole Course';
722: } else {
723: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
724: }
725: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
726: my $name = &get_name();
727: my $courseidinfo = &get_course();
728: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
729: my $topmargintoinsert = '';
730: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
731: my $fancypagestatement='';
732: if ($numberofcolumns eq '2') {
733: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
734: } else {
735: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
736: }
737: if ($layout eq 'album') {
738: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
739: } elsif ($layout eq 'book') {
740: if ($choice ne 'All class print') {
741: $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/;
742: } else {
743: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
744: }
745: if ($papersize eq 'a4') {
746: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
747: }
748: }
749: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
750: if ($indexlist eq 'yes') {
751: $text=~s/(\\begin{document})/\\makeindex $1/;
752: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
753: }
754: return $text;
755: }
756:
757:
758: sub page_cleanup {
759: my $result = shift;
760:
761: $result =~ m/\\end{document}(\d*)$/;
762: my $number_of_columns = $1;
763: my $insert = '{';
764: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
765: $insert .= '}';
766: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
767: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
768: return $result,$number_of_columns;
769: }
770:
771:
772: sub details_for_menu {
773: my ($helper)=@_;
774: my $postdata=$env{'form.postdata'};
775: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
776: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
777: my $symbolic = &Apache::lonnet::symbread($postdata);
778: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
779: $map=&Apache::lonnet::clutter($map);
780: my $name_of_sequence = &Apache::lonnet::gettitle($map);
781: if ($name_of_sequence =~ /^\s*$/) {
782: $map =~ m|([^/]+)$|;
783: $name_of_sequence = $1;
784: }
785: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
786: if ($name_of_map =~ /^\s*$/) {
787: $env{'request.course.uri'} =~ m|([^/]+)$|;
788: $name_of_map = $1;
789: }
790: return ($name_of_resource,$name_of_sequence,$name_of_map);
791: }
792:
793:
794: sub latex_corrections {
795: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
796: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
797: $result =~ s/\$number_of_columns/$number_of_columns/g;
798: if ($selectionmade eq '1' || $answer_mode eq 'only') {
799: $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/;
800: } else {
801: $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/;
802: }
803: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
804: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
805: #-- LaTeX corrections
806: my $first_comment = index($result,'<!--',0);
807: while ($first_comment != -1) {
808: my $end_comment = index($result,'-->',$first_comment);
809: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
810: $first_comment = index($result,'<!--',$first_comment);
811: }
812: $result =~ s/^\s+$//gm; #remove empty lines
813: #removes more than one empty space
814: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
815: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
816: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
817: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
818: $result =~ s/\\\\\s+\[/ \[/g;
819: #conversion of html characters to LaTeX equivalents
820: if ($result =~ m/&(\w+|#\d+);/) {
821: $result = &character_chart($result);
822: }
823: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
824: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
825: return $result;
826: }
827:
828:
829: sub index_table {
830: my $currentURL = shift;
831: my $insex_string='';
832: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
833: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
834: return $insex_string;
835: }
836:
837:
838: sub IndexCreation {
839: my ($texversion,$currentURL)=@_;
840: my @key_words=split(/,/,&index_table($currentURL));
841: my $chunk='';
842: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
843: if ($st>0) {
844: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
845: $chunk=substr($texversion,0,$st+1);
846: substr($texversion,0,$st+1)=' ';
847: }
848: foreach my $key_word (@key_words) {
849: if ($key_word=~/\S+/) {
850: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
851: }
852: }
853: if ($st>0) {substr($texversion,0,1)=$chunk;}
854: return $texversion;
855: }
856:
857: sub print_latex_header {
858: my $mode=shift;
859: my $output='\documentclass[letterpaper,twoside]{article}';
860: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
861: $output.='\batchmode';
862: }
863: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
864: '\usepackage{multirow}'."\n".
865: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
866: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
867: '\usepackage{wrapfig}'.
868: '\usepackage{picins}\usepackage{calc}'."\n".
869: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
870: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
871: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
872: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
873: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
874: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
875: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
876: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
877: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
878: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
879: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
880: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
881: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
882: return $output;
883: }
884:
885: sub path_to_problem {
886: my ($urlp,$colwidth)=@_;
887: $urlp=&Apache::lonnet::clutter($urlp);
888:
889: my $newurlp = '';
890: $colwidth=~s/\s*mm\s*$//;
891: #characters average about 2 mm in width
892: if (length($urlp)*2 > $colwidth) {
893: my @elements = split('/',$urlp);
894: my $curlength=0;
895: foreach my $element (@elements) {
896: if ($element eq '') { next; }
897: if ($curlength+(length($element)*2) > $colwidth) {
898: $newurlp .= '|\vskip -1 mm \verb|';
899: $curlength=length($element)*2;
900: } else {
901: $curlength+=length($element)*2;
902: }
903: $newurlp.='/'.$element;
904: }
905: } else {
906: $newurlp=$urlp;
907: }
908: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
909: }
910:
911: sub recalcto_mm {
912: my $textwidth=shift;
913: my $LaTeXwidth;
914: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
915: $LaTeXwidth = $1*10;
916: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
917: $LaTeXwidth = $1;
918: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
919: $LaTeXwidth = $1*25.4;
920: }
921: $LaTeXwidth.=' mm';
922: return $LaTeXwidth;
923: }
924:
925: sub get_textwidth {
926: my ($helper,$LaTeXwidth)=@_;
927: my $textwidth=$LaTeXwidth;
928: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
929: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
930: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
931: $helper->{'VARS'}->{'pagesize.widthunit'});
932: }
933: return $textwidth;
934: }
935:
936:
937: sub unsupported {
938: my ($currentURL,$mode,$symb)=@_;
939: if ($mode ne '') {$mode='\\'.$mode}
940: my $result.= &print_latex_header($mode);
941: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
942: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
943: my $title=&Apache::lonnet::gettitle($symb);
944: $title = &Apache::lonxml::latex_special_symbols($title);
945: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
946: } else {
947: $result.=$currentURL;
948: }
949: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
950: return $result;
951: }
952:
953:
954: #
955: # List of recently generated print files
956: #
957: sub recently_generated {
958: my $r=shift;
959: my $prtspool=$r->dir_config('lonPrtDir');
960: my $zip_result;
961: my $pdf_result;
962: opendir(DIR,$prtspool);
963:
964: my @files =
965: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
966: closedir(DIR);
967:
968: @files = sort {
969: my ($actime) = (stat($prtspool.'/'.$a))[10];
970: my ($bctime) = (stat($prtspool.'/'.$b))[10];
971: return $bctime <=> $actime;
972: } (@files);
973:
974: foreach my $filename (@files) {
975: my ($ext) = ($filename =~ m/(pdf|zip)$/);
976: my ($cdev,$cino,$cmode,$cnlink,
977: $cuid,$cgid,$crdev,$csize,
978: $catime,$cmtime,$cctime,
979: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
980: my $result="<a href='/prtspool/$filename'>".
981: &mt('Generated [_1] ([_2] bytes)',
982: &Apache::lonlocal::locallocaltime($cctime),$csize).
983: '</a><br />';
984: if ($ext eq 'pdf') { $pdf_result .= $result; }
985: if ($ext eq 'zip') { $zip_result .= $result; }
986: }
987: if ($zip_result) {
988: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
989: .$zip_result);
990: }
991: if ($pdf_result) {
992: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
993: .$pdf_result);
994: }
995: }
996:
997: #
998: # Retrieve the hash of page breaks.
999: #
1000: # Inputs:
1001: # helper - reference to helper object.
1002: # Outputs
1003: # A reference to a page break hash.
1004: #
1005: #
1006: #use Data::Dumper;
1007: #sub dump_helper_vars {
1008: # my ($helper) = @_;
1009: # my $helpervars = Dumper($helper->{'VARS'});
1010: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
1011: #}
1012:
1013: sub get_page_breaks {
1014: my ($helper) = @_;
1015: my %page_breaks;
1016:
1017: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1018: $page_breaks{$break} = 1;
1019: }
1020: return %page_breaks;
1021: }
1022:
1023: sub output_data {
1024: my ($r,$helper,$rparmhash) = @_;
1025: my %parmhash = %$rparmhash;
1026: my $resources_printed = '';
1027: my $js = <<ENDPART;
1028: <script type="text/javascript">
1029: var editbrowser;
1030: function openbrowser(formname,elementname,only,omit) {
1031: var url = '/res/?';
1032: if (editbrowser == null) {
1033: url += 'launch=1&';
1034: }
1035: url += 'catalogmode=interactive&';
1036: url += 'mode=parmset&';
1037: url += 'form=' + formname + '&';
1038: if (only != null) {
1039: url += 'only=' + only + '&';
1040: }
1041: if (omit != null) {
1042: url += 'omit=' + omit + '&';
1043: }
1044: url += 'element=' + elementname + '';
1045: var title = 'Browser';
1046: var options = 'scrollbars=1,resizable=1,menubar=0';
1047: options += ',width=700,height=600';
1048: editbrowser = open(url,title,options,'1');
1049: editbrowser.focus();
1050: }
1051: </script>
1052: ENDPART
1053:
1054: my $start_page = &Apache::loncommon::start_page('Preparing Printout',$js);
1055: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1056:
1057: $r->print($start_page."\n<p>\n$msg\n</p>\n");
1058:
1059: # fetch the pagebreaks and store them in the course environment
1060: # The page breaks will be pulled into the hash %page_breaks which is
1061: # indexed by symb and contains 1's for each break.
1062:
1063: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1064: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1065: &Apache::loncommon::store_course_settings('print',
1066: {'pagebreaks' => 'scalar',
1067: 'lastprinttype' => 'scalar'});
1068:
1069: my %page_breaks = &get_page_breaks($helper);
1070:
1071: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1072: my ($result,$selectionmade) = ('','');
1073: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1074: my @temporary_array=split /\|/,$format_from_helper;
1075: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1076: if ($laystyle eq 'L') {
1077: $laystyle='album';
1078: } else {
1079: $laystyle='book';
1080: }
1081: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1082: my $assignment = $env{'form.assignment'};
1083: my $LaTeXwidth=&recalcto_mm($textwidth);
1084: my @print_array=();
1085: my @student_names=();
1086:
1087: # Common settings for the %form has:
1088: # In some cases these settings get overriddent by specific cases, but the
1089: # settings are common enough to make it worthwhile factoring them out
1090: # here.
1091: #
1092: my %form;
1093: $form{'grade_target'} = 'tex';
1094: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1095:
1096: # If form.showallfoils is set, then request all foils be shown:
1097: # privilege will be enforced both by not allowing the
1098: # check box selecting this option to be presnt unless it's ok,
1099: # and by lonresponse's priv. check.
1100: # The if is here because lonresponse.pm only cares that
1101: # showallfoils is defined, not what the value is.
1102:
1103: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1104: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1105: }
1106:
1107: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1108: #-- single document - problem, page, html, xml, ...
1109: my ($currentURL,$cleanURL);
1110:
1111: if ($helper->{'VARS'}->{'construction'} ne '1') {
1112: #prints published resource
1113: $currentURL=$helper->{'VARS'}->{'postdata'};
1114: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1115: } else {
1116: #prints resource from the construction space
1117: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1118: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1119: $cleanURL=$currentURL;
1120: }
1121: $selectionmade = 1;
1122: if ($cleanURL!~m|^/adm/|
1123: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1124: my $rndseed=time;
1125: my $texversion='';
1126: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1127: my %moreenv;
1128: $moreenv{'request.filename'}=$cleanURL;
1129: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1130: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1131: my $dom = $env{'user.domain'};
1132: my $user = $env{'user.name'};
1133: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1134: }
1135: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1136: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1137: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1138: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1139: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1140: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1141: if ($helper->{'VARS'}->{'curseed'}) {
1142: $rndseed=$helper->{'VARS'}->{'curseed'};
1143: }
1144: $form{'rndseed'}=$rndseed;
1145: &Apache::lonnet::appenv(%moreenv);
1146:
1147: &Apache::lonxml::clear_problem_counter();
1148:
1149: $resources_printed .= $currentURL.':';
1150: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1151:
1152: &Apache::lonxml::clear_problem_counter();
1153:
1154: &Apache::lonnet::delenv('request.filename');
1155: }
1156: # current document with answers.. no need to encap in minipage
1157: # since there's only one answer.
1158:
1159: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1160: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1161: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1162: $form{'grade_target'}='answer';
1163: $form{'answer_output_mode'}='tex';
1164: $form{'rndseed'}=$rndseed;
1165: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1166: $form{'problemtype'}='exam';
1167: }
1168: $resources_printed .= $currentURL.':';
1169: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1170: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1171: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1172: } else {
1173: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1174: if ($helper->{'VARS'}->{'construction'} ne '1') {
1175: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1176: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1177: } else {
1178: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1179: my $URLpath=$cleanURL;
1180: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1181: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1182: }
1183: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1184: }
1185: }
1186: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1187: $texversion=&IndexCreation($texversion,$currentURL);
1188: }
1189: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1190: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1191:
1192: }
1193: $result .= $texversion;
1194: if ($currentURL=~m/\.page\s*$/) {
1195: ($result,$number_of_columns) = &page_cleanup($result);
1196: }
1197: } elsif ($cleanURL!~m|^/adm/|
1198: && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1199: #printing content of sequence from the construction space
1200: my $flag_latex_header_remove = 'NO';
1201: my $rndseed=time;
1202: if ($helper->{'VARS'}->{'curseed'}) {
1203: $rndseed=$helper->{'VARS'}->{'curseed'};
1204: }
1205: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1206: my $errtext=&Apache::lonratedt::mapread($currentURL);
1207: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
1208: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
1209: my $urlp=$2;
1210: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1211: my $texversion='';
1212: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1213: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1214: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1215: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1216: $form{'rndseed'}=$rndseed;
1217: $resources_printed .=$urlp.':';
1218: $texversion=&Apache::lonnet::ssi($urlp,%form);
1219: }
1220: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1221: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1222: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1223: # Don't permanently modify %$form...
1224: my %answerform = %form;
1225: $answerform{'grade_target'}='answer';
1226: $answerform{'answer_output_mode'}='tex';
1227: $answerform{'rndseed'}=$rndseed;
1228: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1229: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1230: $resources_printed .= $urlp.':';
1231: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1232: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1233: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1234: } else {
1235: # If necessary, encapsulate answer in minipage:
1236:
1237: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1238: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1239: $body.=&path_to_problem($urlp,$LaTeXwidth);
1240: $body.='\vskip 1 mm '.$answer.'\end{document}';
1241: $body = &encapsulate_minipage($body);
1242: $texversion.=$body;
1243: }
1244: }
1245: if ($flag_latex_header_remove ne 'NO') {
1246: $texversion = &latex_header_footer_remove($texversion);
1247: } else {
1248: $texversion =~ s/\\end{document}//;
1249: }
1250: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1251: $texversion=&IndexCreation($texversion,$urlp);
1252: }
1253: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1254: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1255: }
1256: $result.=$texversion;
1257: $flag_latex_header_remove = 'YES';
1258: } elsif ($urlp=~/\.(sequence|page)$/) {
1259: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1260: }
1261: }
1262: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1263: $result .= '\end{document}';
1264: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1265: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1266: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1267: $resources_printed .= $currentURL.':';
1268: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1269: $result .= $texversion;
1270: } else {
1271: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
1272: $helper->{'VARS'}->{'symb'});
1273: }
1274: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1275: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1276: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1277: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1278: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1279: #-- produce an output string
1280: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1281: $selectionmade = 2;
1282: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1283: $selectionmade = 3;
1284: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1285: $selectionmade = 4;
1286: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1287: $selectionmade = 4;
1288: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1289: $selectionmade = 7;
1290: }
1291: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1292: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1293: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1294: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1295: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1296: my $flag_latex_header_remove = 'NO';
1297: my $flag_page_in_sequence = 'NO';
1298: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1299: my $prevassignment='';
1300:
1301: &Apache::lonxml::clear_problem_counter();
1302:
1303: my $pbreakresources = keys %page_breaks;
1304: for (my $i=0;$i<=$#master_seq;$i++) {
1305:
1306: # Note due to document structure, not allowed to put \newpage
1307: # prior to the first resource
1308:
1309: if (defined $page_breaks{$master_seq[$i]}) {
1310: if($i != 0) {
1311: $result.="\\newpage\n";
1312: }
1313: }
1314: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1315: $urlp=&Apache::lonnet::clutter($urlp);
1316: $form{'symb'}=$master_seq[$i];
1317:
1318: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1319: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1320: if ($i==0) {$prevassignment=$assignment;}
1321: my $texversion='';
1322: if ($urlp!~m|^/adm/|
1323: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1324: $resources_printed .= $urlp.':';
1325:
1326: &Apache::lonxml::remember_problem_counter();
1327: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1328: if ($urlp=~/\.page$/) {
1329: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1330: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1331: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1332: $flag_page_in_sequence = 'YES';
1333: }
1334:
1335: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1336: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1337: # Don't permanently pervert the %form hash
1338: my %answerform = %form;
1339: $answerform{'grade_target'}='answer';
1340: $answerform{'answer_output_mode'}='tex';
1341: $resources_printed .= $urlp.':';
1342:
1343: &Apache::lonxml::restore_problem_counter();
1344: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1345:
1346: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1347: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1348: } else {
1349: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1350: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1351: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm ';
1352: $body .= &path_to_problem ($urlp,$LaTeXwidth);
1353: $body .='\vskip 1 mm '.$answer;
1354: $body = &encapsulate_minipage($body);
1355: $texversion .= $body;
1356: } else {
1357: $texversion='';
1358: }
1359: }
1360: }
1361: if ($flag_latex_header_remove ne 'NO') {
1362: $texversion = &latex_header_footer_remove($texversion);
1363: } else {
1364: $texversion =~ s/\\end{document}//;
1365: }
1366: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1367: $texversion=&IndexCreation($texversion,$urlp);
1368: }
1369: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1370: my $name = &get_name();
1371: my $courseidinfo = &get_course();
1372: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1373: $prevassignment=$assignment;
1374: if ($numberofcolumns eq '1') {
1375: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1376: } else {
1377: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1378: }
1379: }
1380: $result .= $texversion;
1381: $flag_latex_header_remove = 'YES';
1382: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1383: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1384: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1385: $resources_printed .= $urlp.':';
1386: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1387: if ($flag_latex_header_remove ne 'NO') {
1388: $texversion = &latex_header_footer_remove($texversion);
1389: } else {
1390: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1391: }
1392: $result .= $texversion;
1393: $flag_latex_header_remove = 'YES';
1394: } else {
1395: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
1396: $master_seq[$i]);
1397: if ($flag_latex_header_remove ne 'NO') {
1398: $texversion = &latex_header_footer_remove($texversion);
1399: } else {
1400: $texversion =~ s/\\end{document}//;
1401: }
1402: $result .= $texversion;
1403: $flag_latex_header_remove = 'YES';
1404: }
1405: if (&Apache::loncommon::connection_aborted($r)) { last; }
1406: }
1407: &Apache::lonxml::clear_problem_counter();
1408: if ($flag_page_in_sequence eq 'YES') {
1409: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1410: }
1411: $result .= '\end{document}';
1412: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1413: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1414:
1415:
1416: #-- prints assignments for whole class or for selected students
1417: my $type;
1418: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1419: $selectionmade=5;
1420: $type='problems';
1421: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1422: $selectionmade=8;
1423: $type='resources';
1424: }
1425: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1426: # The normal sort order is by section then by students within the
1427: # section. If the helper var student_sort is 1, then the user has elected
1428: # to override this and output the students by name.
1429: # Each element of the students array is of the form:
1430: # username:domain:section:last, first:status
1431: #
1432: # Note that student sort is not compatible with printing
1433: # 1 section per pdf...so that setting overrides.
1434: #
1435: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
1436: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1437: @students = sort compare_names @students;
1438: }
1439: &adjust_number_to_print($helper);
1440:
1441: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1442: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1443: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1444: }
1445: # If we are splitting on section boundaries, we need
1446: # to remember that in split_on_sections and
1447: # print all of the students in the list.
1448: #
1449: my $split_on_sections = 0;
1450: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
1451: $split_on_sections = 1;
1452: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
1453: }
1454: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1455:
1456: #loop over students
1457: my $flag_latex_header_remove = 'NO';
1458: my %moreenv;
1459: $moreenv{'instructor_comments'}='hide';
1460: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1461: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1462: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1463: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1464: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1465: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1466: my $student_counter=-1;
1467: my $i = 0;
1468: my $last_section = (split(/:/,$students[0]))[2];
1469: foreach my $person (@students) {
1470:
1471: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1472: if (-e $duefile) {
1473: my $temp_file = Apache::File->new('>>'.$duefile);
1474: print $temp_file "1969\n";
1475: }
1476: $student_counter++;
1477: if ($split_on_sections) {
1478: my $this_section = (split(/:/,$person))[2];
1479: if ($this_section ne $last_section) {
1480: $i++;
1481: $last_section = $this_section;
1482: }
1483: } else {
1484: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1485: }
1486: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1487: $person,$type,
1488: \%moreenv,\@master_seq,
1489: $flag_latex_header_remove,
1490: $LaTeXwidth);
1491: $resources_printed .= ":";
1492: $print_array[$i].=$output;
1493: $student_names[$i].=$person.':'.$fullname.'_END_';
1494: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1495: $flag_latex_header_remove = 'YES';
1496: if (&Apache::loncommon::connection_aborted($r)) { last; }
1497: }
1498: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1499: $result .= $print_array[0].' \end{document}';
1500: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1501: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1502: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1503: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1504: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1505: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1506: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1507: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1508: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1509:
1510: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1511: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1512: my ($code_type,$code_length)=('letter',6);
1513: foreach my $line (<FH>) {
1514: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1515: if ($name eq $code_option) {
1516: $code_length=$length;
1517: if ($type eq 'number') { $code_type = 'number'; }
1518: }
1519: }
1520: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1521: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1522: $moreenv{'instructor_comments'}='hide';
1523: my $seed=time+($$<<16)+($$);
1524: my @allcodes;
1525: if ($old_name) {
1526: my %result=&Apache::lonnet::get('CODEs',
1527: [$old_name,"type\0$old_name"],
1528: $cdom,$cnum);
1529: $code_type=$result{"type\0$old_name"};
1530: @allcodes=split(',',$result{$old_name});
1531: $num_todo=scalar(@allcodes);
1532: } elsif ($selected_code) { # Selection value is always numeric.
1533: $num_todo = 1;
1534: @allcodes = ($selected_code);
1535: } elsif ($single_code) {
1536:
1537: $num_todo = 1; # Unconditionally one code to do.
1538: # If an alpha code have to convert to numbers so it can be
1539: # converted back to letters again :-)
1540: #
1541: if ($code_type ne 'number') {
1542: $single_code = &letters_to_num($single_code);
1543: }
1544: @allcodes = ($single_code);
1545: } else {
1546: my %allcodes;
1547: srand($seed);
1548: for (my $i=0;$i<$num_todo;$i++) {
1549: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1550: $code_type);
1551: }
1552: if ($code_name) {
1553: &Apache::lonnet::put('CODEs',
1554: {
1555: $code_name =>join(',',keys(%allcodes)),
1556: "type\0$code_name" => $code_type
1557: },
1558: $cdom,$cnum);
1559: }
1560: @allcodes=keys(%allcodes);
1561: }
1562: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1563: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1564: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1565: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1566: $number_per_page=$num_todo;
1567: }
1568: my $flag_latex_header_remove = 'NO';
1569: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1570: my $count=0;
1571: foreach my $code (sort(@allcodes)) {
1572: my $file_num=int($count/$number_per_page);
1573: if ($code_type eq 'number') {
1574: $moreenv{'CODE'}=$code;
1575: } else {
1576: $moreenv{'CODE'}=&num_to_letters($code);
1577: }
1578: my ($output,$fullname, $printed)=
1579: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1580: \@master_seq,$flag_latex_header_remove,
1581: $LaTeXwidth);
1582: $resources_printed .= ":";
1583: $print_array[$file_num].=$output;
1584: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1585: &mt('last assignment').' '.$fullname);
1586: $flag_latex_header_remove = 'YES';
1587: $count++;
1588: if (&Apache::loncommon::connection_aborted($r)) { last; }
1589: }
1590: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1591: $result .= $print_array[0].' \end{document}';
1592: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1593: #prints selected problems from the subdirectory
1594: $selectionmade = 6;
1595: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1596: @list_of_files=sort @list_of_files;
1597: my $flag_latex_header_remove = 'NO';
1598: my $rndseed=time;
1599: if ($helper->{'VARS'}->{'curseed'}) {
1600: $rndseed=$helper->{'VARS'}->{'curseed'};
1601: }
1602: for (my $i=0;$i<=$#list_of_files;$i++) {
1603: my $urlp = $list_of_files[$i];
1604: $urlp=~s|//|/|;
1605: if ($urlp=~/\//) {
1606: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1607: $form{'rndseed'}=$rndseed;
1608: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1609: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1610: } else {
1611: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1612: }
1613: $resources_printed .= $urlp.':';
1614: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1615: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1616: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1617: # Don't permanently pervert %form:
1618: my %answerform = %form;
1619: $answerform{'grade_target'}='answer';
1620: $answerform{'answer_output_mode'}='tex';
1621: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1622: $answerform{'rndseed'}=$rndseed;
1623: $resources_printed .= $urlp.':';
1624: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1625: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1626: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1627: } else {
1628: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1629: if ($helper->{'VARS'}->{'construction'} ne '1') {
1630: $texversion.='\vskip 0 mm \noindent ';
1631: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1632: } else {
1633: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1634: my $URLpath=$urlp;
1635: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1636: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1637: }
1638: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1639: }
1640: }
1641: #this chunck is responsible for printing the path to problem
1642: my $newurlp=$urlp;
1643: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1644: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1645: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1646: if ($flag_latex_header_remove ne 'NO') {
1647: $texversion = &latex_header_footer_remove($texversion);
1648: } else {
1649: $texversion =~ s/\\end{document}//;
1650: }
1651: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1652: $texversion=&IndexCreation($texversion,$urlp);
1653: }
1654: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1655: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1656:
1657: }
1658: $result .= $texversion;
1659: }
1660: $flag_latex_header_remove = 'YES';
1661: }
1662: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1663: $result .= '\end{document}';
1664: }
1665: #-------------------------------------------------------- corrections for the different page formats
1666: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1667: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
1668: $helper->{'VARS'}->{'ANSWER_TYPE'});
1669: for (my $i=1;$i<=$#print_array;$i++) {
1670: $print_array[$i] =
1671: &latex_corrections($number_of_columns,$print_array[$i],
1672: $selectionmade,
1673: $helper->{'VARS'}->{'ANSWER_TYPE'});
1674: }
1675:
1676: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1677: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1678: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1679: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1680:
1681:
1682: #-- writing .tex file in prtspool
1683: my $temp_file;
1684: my $identifier = &Apache::loncommon::get_cgi_id();
1685: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1686: if (!($#print_array>0)) {
1687: unless ($temp_file = Apache::File->new('>'.$filename)) {
1688: $r->log_error("Couldn't open $filename for output $!");
1689: return SERVER_ERROR;
1690: }
1691: print $temp_file $result;
1692: my $begin=index($result,'\begin{document}',0);
1693: my $inc=substr($result,0,$begin+16);
1694: } else {
1695: my $begin=index($result,'\begin{document}',0);
1696: my $inc=substr($result,0,$begin+16);
1697: for (my $i=0;$i<=$#print_array;$i++) {
1698: if ($i==0) {
1699: $print_array[$i]=$result;
1700: } else {
1701: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1702: substr($print_array[$i],0,$anobegin)='';
1703: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1704: }
1705: my $temp_file;
1706: my $newfilename=$filename;
1707: my $num=$i+1;
1708: $newfilename =~s/\.tex$//;
1709: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1710: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1711: $r->log_error("Couldn't open $newfilename for output $!");
1712: return SERVER_ERROR;
1713: }
1714: print $temp_file $print_array[$i];
1715: }
1716: }
1717: my $student_names='';
1718: if ($#print_array>0) {
1719: for (my $i=0;$i<=$#print_array;$i++) {
1720: $student_names.=$student_names[$i].'_ENDPERSON_';
1721: }
1722: } else {
1723: if ($#student_names>-1) {
1724: $student_names=$student_names[0].'_ENDPERSON_';
1725: } else {
1726: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1727: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1728: $env{'request.course.sec'},$fullname).
1729: '_ENDPERSON_'.'_END_';
1730: }
1731: }
1732:
1733: my $URLback=''; #link to original document
1734: if ($helper->{'VARS'}->{'construction'} ne '1') {
1735: #prints published resource
1736: $URLback=&escape('/adm/flip?postdata=return:');
1737: } else {
1738: #prints resource from the construction space
1739: $URLback='/'.$helper->{'VARS'}->{'filename'};
1740: if ($URLback=~/([^?]+)/) {
1741: $URLback=$1;
1742: $URLback=~s|^/~|/priv/|;
1743: }
1744: }
1745: # logic for now is too complex to trace if this has been defined
1746: # yet.
1747: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1748: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1749: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1750: 'cgi.'.$identifier.'.layout' => $laystyle,
1751: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1752: 'cgi.'.$identifier.'.paper' => $papersize,
1753: 'cgi.'.$identifier.'.selection' => $selectionmade,
1754: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1755: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1756: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1757: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1758: 'cgi.'.$identifier.'.studentnames' => $student_names,
1759: 'cgi.'.$identifier.'.backref' => $URLback,);
1760: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1761: "cgi.$identifier.domain" => $env{'user.domain'},
1762: "cgi.$identifier.courseid" => $cnum,
1763: "cgi.$identifier.coursedom" => $cdom,
1764: "cgi.$identifier.resources" => $resources_printed);
1765:
1766: my $end_page = &Apache::loncommon::end_page();
1767: $r->print(<<FINALEND);
1768: <br />
1769: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1770: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1771: $end_page
1772: FINALEND
1773: }
1774:
1775:
1776: sub get_CODE {
1777: my ($all_codes,$num,$seed,$size,$type)=@_;
1778: my $max='1'.'0'x$size;
1779: my $newcode;
1780: while(1) {
1781: $newcode=sprintf("%0".$size."d",int(rand($max)));
1782: if (!exists($$all_codes{$newcode})) {
1783: $$all_codes{$newcode}=1;
1784: if ($type eq 'number' ) {
1785: return $newcode;
1786: } else {
1787: return &num_to_letters($newcode);
1788: }
1789: }
1790: }
1791: }
1792:
1793: sub print_resources {
1794: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1795: $LaTeXwidth)=@_;
1796: my $current_output = '';
1797: my $printed = '';
1798: my ($username,$userdomain,$usersection) = split /:/,$person;
1799: my $fullname = &get_name($username,$userdomain);
1800: my $namepostfix;
1801: if ($person =~ 'anon') {
1802: $namepostfix="\\\\Name: ";
1803: $fullname = "CODE - ".$moreenv->{'CODE'};
1804: }
1805: # Fullname may have special latex characters that need \ prefixing:
1806: #
1807: $fullname = escape_LaTeX($fullname);
1808:
1809: my $i = 0;
1810: #goes through all resources, checks if they are available for
1811: #current student, and produces output
1812:
1813: &Apache::lonxml::clear_problem_counter();
1814: my %page_breaks = &get_page_breaks($helper);
1815: my @format_array = split(/\|/,$helper->{'VARS'}->{'FORMAT'});
1816: my $columns_in_format = $format_array[1];
1817: #
1818: # end each student with a
1819: # Special that allows the post processor to even out the page
1820: # counts later. Nasty problem this... it would be really
1821: # nice to put the special in as a postscript comment
1822: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
1823: # The special gets passed the \ and dvips puts it in the output file
1824: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
1825: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
1826: #
1827:
1828: foreach my $curresline (@{$master_seq}) {
1829: if (defined $page_breaks{$curresline}) {
1830: if($i != 0) {
1831: $current_output.= "\\newpage\n";
1832: }
1833: }
1834: $i++;
1835: if ( !($type eq 'problems' &&
1836: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1837: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1838: if (&Apache::lonnet::allowed('bre',$res_url)) {
1839: if ($res_url!~m|^ext/|
1840: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1841: $printed .= $curresline.':';
1842:
1843: &Apache::lonxml::remember_problem_counter();
1844:
1845: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1846:
1847: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1848: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1849: # Use a copy of the hash so we don't pervert it on future loop passes.
1850: my %answerenv = %{$moreenv};
1851: $answerenv{'answer_output_mode'}='tex';
1852: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1853:
1854: &Apache::lonxml::restore_problem_counter();
1855:
1856: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1857:
1858: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1859: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1860: } else {
1861:
1862:
1863: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1864: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1865: $body .=&path_to_problem($res_url,$LaTeXwidth);
1866: $body .='\vskip 1 mm '.$ansrendered;
1867: $body = &encapsulate_minipage($body);
1868: $rendered = $header.$body;
1869: }
1870: }
1871: if ($remove_latex_header eq 'YES') {
1872: $rendered = &latex_header_footer_remove($rendered);
1873: } else {
1874: $rendered =~ s/\\end{document}//;
1875: }
1876: $current_output .= $rendered;
1877: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1878: $printed .= $curresline.':';
1879: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1880:
1881: if ($remove_latex_header eq 'YES') {
1882: $rendered = &latex_header_footer_remove($rendered);
1883: } else {
1884: $rendered =~ s/\\end{document}//;
1885: }
1886: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1887:
1888: } else {
1889: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1890: if ($remove_latex_header ne 'NO') {
1891: $rendered = &latex_header_footer_remove($rendered);
1892: } else {
1893: $rendered =~ s/\\end{document}//;
1894: }
1895: $current_output .= $rendered;
1896: }
1897: }
1898: $remove_latex_header = 'YES';
1899: }
1900: if (&Apache::loncommon::connection_aborted($r)) { last; }
1901: }
1902: my $courseidinfo = &get_course();
1903: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1904: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1905: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1906: if ($current_output=~/\\documentclass/) {
1907: if ($columns_in_format == 1) {
1908: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1909: } else {
1910: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fancyhead[LO]{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1911:
1912: }
1913: } else {
1914: my $blankpages = '';
1915: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1916: if ($columns_in_format == 1) {
1917: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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 '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}'.$namepostfix.'}} \vskip 5 mm '.$current_output;
1918: } else {
1919: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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 '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}'.$namepostfix.'}} \vskip 5 mm '.$current_output;
1920: }
1921: }
1922: #
1923: # Close the student bracketing.
1924: #
1925: $current_output .= "\n\\special{ps:ENDOFSTUDENTSTAMP}\n";
1926: return ($current_output,$fullname, $printed);
1927:
1928: }
1929:
1930: sub handler {
1931:
1932: my $r = shift;
1933:
1934: &init_perm();
1935:
1936:
1937:
1938: my $helper = printHelper($r);
1939: if (!ref($helper)) {
1940: return $helper;
1941: }
1942:
1943:
1944: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1945:
1946:
1947:
1948:
1949: # If a figure conversion queue file exists for this user.domain
1950: # we delete it since it can only be bad (if it were good, printout.pl
1951: # would have deleted it the last time around.
1952:
1953: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1954: if(-e $conversion_queuefile) {
1955: unlink $conversion_queuefile;
1956: }
1957: &output_data($r,$helper,\%parmhash);
1958: return OK;
1959: }
1960:
1961: use Apache::lonhelper;
1962:
1963: sub addMessage {
1964: my $text = shift;
1965: my $paramHash = Apache::lonhelper::getParamHash();
1966: $paramHash->{MESSAGE_TEXT} = $text;
1967: Apache::lonhelper::message->new();
1968: }
1969:
1970:
1971:
1972: sub init_perm {
1973: undef(%perm);
1974: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1975: if (!$perm{'pav'}) {
1976: $perm{'pav'}=&Apache::lonnet::allowed('pav',
1977: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1978: }
1979: $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1980: if (!$perm{'pfo'}) {
1981: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
1982: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1983: }
1984: }
1985:
1986: sub printHelper {
1987: my $r = shift;
1988:
1989: if ($r->header_only) {
1990: if ($env{'browser.mathml'}) {
1991: &Apache::loncommon::content_type($r,'text/xml');
1992: } else {
1993: &Apache::loncommon::content_type($r,'text/html');
1994: }
1995: $r->send_http_header;
1996: return OK;
1997: }
1998:
1999: # Send header, nocache
2000: if ($env{'browser.mathml'}) {
2001: &Apache::loncommon::content_type($r,'text/xml');
2002: } else {
2003: &Apache::loncommon::content_type($r,'text/html');
2004: }
2005: &Apache::loncommon::no_cache($r);
2006: $r->send_http_header;
2007: $r->rflush();
2008:
2009: # Unfortunately, this helper is so complicated we have to
2010: # write it by hand
2011:
2012: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
2013:
2014: my $helper = Apache::lonhelper::helper->new("Printing Helper");
2015: $helper->declareVar('symb');
2016: $helper->declareVar('postdata');
2017: $helper->declareVar('curseed');
2018: $helper->declareVar('probstatus');
2019: $helper->declareVar('filename');
2020: $helper->declareVar('construction');
2021: $helper->declareVar('assignment');
2022: $helper->declareVar('style_file');
2023: $helper->declareVar('student_sort');
2024: $helper->declareVar('FINISHPAGE');
2025: $helper->declareVar('PRINT_TYPE');
2026: $helper->declareVar("showallfoils");
2027:
2028: # The page breaks can get loaded initially from the course environment:
2029: # But we only do this in the initial state so that they are allowed to change.
2030: #
2031:
2032: # $helper->{VARS}->{FINISHPAGE} = '';
2033:
2034: &Apache::loncommon::restore_course_settings('print',
2035: {'pagebreaks' => 'scalar',
2036: 'lastprinttype' => 'scalar'});
2037:
2038:
2039: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
2040: if (!defined ($env{"form.CURRENT_STATE"})) {
2041:
2042: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2043: } else {
2044: my $state = $env{"form.CURRENT_STATE"};
2045: if ($state eq "START") {
2046: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2047: }
2048: }
2049:
2050: }
2051:
2052:
2053: # This will persistently load in the data we want from the
2054: # very first screen.
2055: # Detect whether we're coming from construction space
2056: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
2057: $helper->{VARS}->{'filename'} = "~$1/$2";
2058: $helper->{VARS}->{'construction'} = 1;
2059: } else {
2060: if ($env{'form.postdata'}) {
2061: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
2062: }
2063: if ($env{'form.symb'}) {
2064: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2065: }
2066: if ($env{'form.url'}) {
2067: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2068: }
2069:
2070: }
2071:
2072: if ($env{'form.symb'}) {
2073: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2074: }
2075: if ($env{'form.url'}) {
2076: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2077:
2078: }
2079: $helper->{VARS}->{'symb'}=
2080: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
2081: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
2082: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
2083:
2084:
2085: # Extract map
2086: my $symb = $helper->{VARS}->{'symb'};
2087: my ($map, $id, $url);
2088: my $subdir;
2089:
2090: # Get the resource name from construction space
2091: if ($helper->{VARS}->{'construction'}) {
2092: $resourceTitle = substr($helper->{VARS}->{'filename'},
2093: rindex($helper->{VARS}->{'filename'}, '/')+1);
2094: $subdir = substr($helper->{VARS}->{'filename'},
2095: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
2096: } else {
2097: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
2098: $helper->{VARS}->{'postdata'} =
2099: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
2100:
2101: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
2102: my $postdata = $helper->{VARS}->{'postdata'};
2103: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
2104: }
2105: $subdir = &Apache::lonnet::filelocation("", $url);
2106: }
2107: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2108: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2109: }
2110: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2111: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2112: }
2113:
2114: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2115:
2116: Apache::lonhelper::registerHelperTags();
2117:
2118: # "Delete everything after the last slash."
2119: $subdir =~ s|/[^/]+$||;
2120: if (not $helper->{VARS}->{'construction'}) {
2121: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
2122: }
2123: # "Remove all duplicate slashes."
2124: $subdir =~ s|/+|/|g;
2125:
2126: # What can be printed is a very dynamic decision based on
2127: # lots of factors. So we need to dynamically build this list.
2128: # To prevent security leaks, states are only added to the wizard
2129: # if they can be reached, which ensures manipulating the form input
2130: # won't allow anyone to reach states they shouldn't have permission
2131: # to reach.
2132:
2133: # printChoices is tracking the kind of printing the user can
2134: # do, and will be used in a choices construction later.
2135: # In the meantime we will be adding states and elements to
2136: # the helper by hand.
2137: my $printChoices = [];
2138: my $paramHash;
2139:
2140: if ($resourceTitle) {
2141: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2142: }
2143:
2144: # Useful filter strings
2145: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2146: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2147: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2148: my $isNotMap = '!$res->is_sequence()';
2149: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2150: my $isMap = '$res->is_map()';
2151: my $symbFilter = '$res->shown_symb()';
2152: my $urlValue = '$res->link()';
2153:
2154: $helper->declareVar('SEQUENCE');
2155:
2156:
2157:
2158: # If we're in a sequence...
2159: if (($helper->{'VARS'}->{'construction'} ne '1') &&
2160:
2161: $helper->{VARS}->{'postdata'} &&
2162: $helper->{VARS}->{'assignment'}) {
2163: # Allow problems from sequence
2164: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
2165: # Allow all resources from sequence
2166: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2167:
2168: my $helperFragment = <<HELPERFRAGMENT;
2169: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2170: <message>(mark them then click "next" button) <br /></message>
2171: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2172: closeallpages="1">
2173: <nextstate>PAGESIZE</nextstate>
2174: <filterfunc>return $isProblem;</filterfunc>
2175: <mapurl>$map</mapurl>
2176: <valuefunc>return $symbFilter;</valuefunc>
2177: <option text='Newpage' variable='FINISHPAGE' />
2178: </resource>
2179: </state>
2180:
2181: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2182: <message>(mark them then click "next" button) <br /></message>
2183: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2184: closeallpages="1">
2185: <nextstate>PAGESIZE</nextstate>
2186: <filterfunc>return $isNotMap;</filterfunc>
2187: <mapurl>$map</mapurl>
2188: <valuefunc>return $symbFilter;</valuefunc>
2189: <option text='Newpage' variable='FINISHPAGE' />
2190: </resource>
2191: </state>
2192: HELPERFRAGMENT
2193:
2194: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2195: }
2196:
2197: # If the user has pfo (print for otheres) allow them to print all
2198: # problems and resources in the entier course, optionally for selected students
2199: if ($perm{'pfo'} &&
2200: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2201:
2202: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2203: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2204: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2205: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2206: <message>(mark them then click "next" button) <br /></message>
2207: <resource variable="RESOURCES" toponly='0' multichoice="1"
2208: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2209: <nextstate>PAGESIZE</nextstate>
2210: <filterfunc>return $isProblemOrMap;</filterfunc>
2211: <choicefunc>return $isNotMap;</choicefunc>
2212: <valuefunc>return $symbFilter;</valuefunc>
2213: <option text='Newpage' variable='FINISHPAGE' />
2214: </resource>
2215: </state>
2216: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2217: <message>(Mark them then click "next" button) <br /> </message>
2218: <resource variable="RESOURCES" toponly='0' multichoice='1'
2219: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2220: <nextstate>PAGESIZE</nextstate>
2221: <filterfunc>return $isNotMap; </filterfunc>
2222: <valuefunc>return $symbFilter;</valuefunc>
2223: <option text='NewPage' variable='FINISHPAGE' />
2224: </resource>
2225: </state>
2226: ALL_PROBLEMS
2227:
2228: if ($helper->{VARS}->{'assignment'}) {
2229: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
2230: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'problems_for_anon', 'CHOOSE_ANON1'];
2231: }
2232:
2233: # resource_selector will hold a few states that:
2234: # - Allow resources to be selected for printing.
2235: # - Determine pagination between assignments.
2236: # - Determine how many assignments should be bundled into a single PDF.
2237: # TODO:
2238: # Probably good to do things like separate this up into several vars, each
2239: # with one state, and use REGEXPs at inclusion time to set state names
2240: # and next states for better mix and match capability
2241: #
2242: my $resource_selector=<<RESOURCE_SELECTOR;
2243: <state name="SELECT_PROBLEMS" title="Select resources to print">
2244: <nextstate>PRINT_FORMATTING</nextstate>
2245: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2246: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2247: closeallpages="1">
2248: <filterfunc>return $isProblem;</filterfunc>
2249: <mapurl>$map</mapurl>
2250: <valuefunc>return $symbFilter;</valuefunc>
2251: <option text='New Page' variable='FINISHPAGE' />
2252: </resource>
2253: </state>
2254: <state name="PRINT_FORMATTING" title="How should results be printed?">
2255: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2256: <choices variable="EMPTY_PAGES">
2257: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2258: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2259: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2260: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2261: </choices>
2262: <nextstate>PAGESIZE</nextstate>
2263: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2264: <choices variable="SPLIT_PDFS">
2265: <choice computer="all">All assignments in a single PDF file</choice>
2266: <choice computer="sections">Each PDF contains exactly one section</choice>
2267: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2268: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT" relateddefault="all">
2269: Specify Number:</choice>
2270: </choices>
2271: </state>
2272: RESOURCE_SELECTOR
2273:
2274: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2275: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2276: <message><b>Select sort order</b> </message>
2277: <choices variable='student_sort'>
2278: <choice computer='0'>Sort by section then student</choice>
2279: <choice computer='1'>Sort by students across sections.</choice>
2280: </choices>
2281: <message><br /><hr /><br /> </message>
2282: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
2283: </state>
2284: $resource_selector
2285: CHOOSE_STUDENTS
2286:
2287: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2288: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2289: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2290: my $namechoice='<choice></choice>';
2291: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2292: if ($name =~ /^error: 2 /) { next; }
2293: if ($name =~ /^type\0/) { next; }
2294: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2295: }
2296:
2297:
2298: my %code_values;
2299: my %codes_to_print;
2300: foreach my $key (@names) {
2301: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2302: foreach my $key (keys(%code_values)) {
2303: $codes_to_print{$key} = 1;
2304: }
2305: }
2306:
2307: my $code_selection = "<choice></choice>\n";
2308: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
2309: my $choice = $code;
2310: if ($code =~ /^[A-Z]+$/) { # Alpha code
2311: $choice = &letters_to_num($code);
2312: }
2313: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
2314: }
2315: if (%codes_to_print) {
2316: $code_selection .='
2317: <exec>
2318: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
2319: </exec>
2320: '.$/;
2321: }
2322:
2323:
2324: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2325: my $codechoice='';
2326: foreach my $line (<FH>) {
2327: my ($name,$description,$code_type,$code_length)=
2328: (split(/:/,$line))[0,1,2,4];
2329: if ($code_length > 0 &&
2330: $code_type =~/^(letter|number|-1)/) {
2331: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2332: }
2333: }
2334: if ($codechoice eq '') {
2335: $codechoice='<choice computer="default">Default</choice>';
2336: }
2337: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2338: <state name="CHOOSE_ANON1" title="Select Students and Resources">
2339: <nextstate>SELECT_PROBLEMS</nextstate>
2340: <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
2341: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2342: <validator>
2343: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2344: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2345: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2346: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2347: return "You need to specify the number of assignments to print";
2348: }
2349: return undef;
2350: </validator>
2351: </string>
2352: <message></td></tr><tr><td></message>
2353: <message><b>Names to store the CODEs under for later:</b></message>
2354: <message></td><td></message>
2355: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2356: <message></td></tr><tr><td></message>
2357: <message><b>Bubble sheet type:</b></message>
2358: <message></td><td></message>
2359: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2360: $codechoice
2361: </dropdown>
2362: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2363: <message></td></tr><tr><td></message>
2364: <message><b>Enter a CODE to print:</b></td><td></message>
2365: <string variable="SINGLE_CODE" size="10">
2366: <validator>
2367: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2368: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2369: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2370: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2371: \$helper->{'VARS'}{'CODE_OPTION'});
2372: } else {
2373: return undef; # Other forces control us.
2374: }
2375: </validator>
2376: </string>
2377: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2378: <message><b>Choose single code from list</b></message>
2379: <message></td><td></message>
2380: <choices variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2381: $code_selection
2382: </choices>
2383: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2384: <message><b>Reprint a set of saved CODEs:</b></message>
2385: <message></td><td></message>
2386: <dropdown variable="REUSE_OLD_CODES">
2387: $namechoice
2388: </dropdown>
2389: <message></td></tr></table></message>
2390: <message><hr width='33%' /></message>
2391: </state>
2392: $resource_selector
2393: CHOOSE_ANON1
2394:
2395:
2396: if ($helper->{VARS}->{'assignment'}) {
2397: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
2398: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'resources_for_anon', 'CHOOSE_ANON2'];
2399: }
2400:
2401:
2402: $resource_selector=<<RESOURCE_SELECTOR;
2403: <state name="SELECT_RESOURCES" title="Select Resources">
2404: <nextstate>PRINT_FORMATTING</nextstate>
2405: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2406: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2407: closeallpages="1">
2408: <filterfunc>return $isNotMap;</filterfunc>
2409: <mapurl>$map</mapurl>
2410: <valuefunc>return $symbFilter;</valuefunc>
2411: <option text='Newpage' variable='FINISHPAGE' />
2412: </resource>
2413: </state>
2414: <state name="PRINT_FORMATTING" title="Format of the print job">
2415: <nextstate>NUMBER_PER_PDF</nextstate>
2416: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2417: <choices variable="EMPTY_PAGES">
2418: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2419: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2420: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2421: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2422: </choices>
2423: <nextstate>PAGESIZE</nextstate>
2424: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2425: <choices variable="SPLIT_PDFS">
2426: <choice computer="all">All assignments in a single PDF file</choice>
2427: <choice computer="sections">Each PDF contains exactly one section</choice>
2428: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2429: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT" relateddefault="all">
2430: Specify Number:</choice>
2431: </choices>
2432: </state>
2433: RESOURCE_SELECTOR
2434:
2435: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2436: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2437: <choices variable='student_sort'>
2438: <choice computer='0'>Sort by section then student</choice>
2439: <choice computer='1'>Sort by students across sections.</choice>
2440: </choices>
2441: <message><br /><hr /><br /></message>
2442: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
2443:
2444: </state>
2445: $resource_selector
2446: CHOOSE_STUDENTS1
2447:
2448: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2449: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2450: <nextstate>SELECT_RESOURCES</nextstate>
2451: <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
2452: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2453: <validator>
2454: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2455: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2456: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2457: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2458: return "You need to specify the number of assignments to print";
2459: }
2460: return undef;
2461: </validator>
2462: </string>
2463: <message></td></tr><tr><td></message>
2464: <message><b>Names to store the CODEs under for later:</b></message>
2465: <message></td><td></message>
2466: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2467: <message></td></tr><tr><td></message>
2468: <message><b>Bubble sheet type:</b></message>
2469: <message></td><td></message>
2470: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2471: $codechoice
2472: </dropdown>
2473: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2474: <message></td></tr><tr><td></message>
2475: <message><b>Enter a CODE to print:</b></td><td></message>
2476: <string variable="SINGLE_CODE" size="10">
2477: <validator>
2478: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2479: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2480: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2481: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2482: \$helper->{'VARS'}{'CODE_OPTION'});
2483: } else {
2484: return undef; # Other forces control us.
2485: }
2486: </validator>
2487: </string>
2488: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2489: <message><b>Choose single code from list</b></message>
2490: <message></td><td></message>
2491: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2492: $code_selection
2493: </dropdown>
2494: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2495: <message><b>Reprint a set of saved CODEs:</b></message>
2496: <message></td><td></message>
2497: <dropdown variable="REUSE_OLD_CODES">
2498: $namechoice
2499: </dropdown>
2500: <message></td></tr></table></message>
2501: <message><hr width='33%' /></message>
2502: </state>
2503: $resource_selector
2504: CHOOSE_ANON2
2505: }
2506:
2507: # FIXME: That RE should come from a library somewhere.
2508: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2509: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2510:
2511: my $f = '$filename';
2512: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2513: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2514: <message>(mark them then click "next" button) <br /></message>
2515: <files variable="FILES" multichoice='1'>
2516: <nextstate>PAGESIZE</nextstate>
2517: <filechoice>return '$subdir';</filechoice>
2518: CHOOSE_FROM_SUBDIR
2519:
2520: # this is broken up because I really want interpolation above,
2521: # and I really DON'T want it below
2522: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2523: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2524: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2525: </filefilter>
2526: </files>
2527: </state>
2528: CHOOSE_FROM_SUBDIR
2529: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2530: }
2531:
2532: # Allow the user to select any sequence in the course, feed it to
2533: # another resource selector for that sequence
2534: if (!$helper->{VARS}->{'construction'}) {
2535: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
2536: 'select_sequences', 'CHOOSE_SEQUENCE'];
2537: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2538: #Escape apostrophes and backslashes for Perl
2539: $escapedSequenceName =~ s/\\/\\\\/g;
2540: $escapedSequenceName =~ s/'/\\'/g;
2541: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2542: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2543: <message>Select the sequence to print resources from:</message>
2544: <resource variable="SEQUENCE">
2545: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2546: <filterfunc>return \$res->is_sequence;</filterfunc>
2547: <valuefunc>return $urlValue;</valuefunc>
2548: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2549: </choicefunc>
2550: </resource>
2551: </state>
2552: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2553: <message>(mark desired resources then click "next" button) <br /></message>
2554: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2555: closeallpages="1">
2556: <nextstate>PAGESIZE</nextstate>
2557: <filterfunc>return $isProblem</filterfunc>
2558: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2559: <valuefunc>return $symbFilter;</valuefunc>
2560: <option text='Newpage' variable='FINISHPAGE' />
2561: </resource>
2562: </state>
2563: CHOOSE_FROM_ANY_SEQUENCE
2564: }
2565:
2566: # Generate the first state, to select which resources get printed.
2567: Apache::lonhelper::state->new("START", "Select Printing Options:");
2568: $paramHash = Apache::lonhelper::getParamHash();
2569: $paramHash->{MESSAGE_TEXT} = "";
2570: Apache::lonhelper::message->new();
2571: $paramHash = Apache::lonhelper::getParamHash();
2572: $paramHash->{'variable'} = 'PRINT_TYPE';
2573: $paramHash->{CHOICES} = $printChoices;
2574: Apache::lonhelper::choices->new();
2575:
2576: my $startedTable = 0; # have we started an HTML table yet? (need
2577: # to close it later)
2578:
2579: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2580: ($helper->{VARS}->{'construction'} eq '1')) {
2581: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2582: $paramHash = Apache::lonhelper::getParamHash();
2583: $paramHash->{'variable'} = 'ANSWER_TYPE';
2584: $helper->declareVar('ANSWER_TYPE');
2585: $paramHash->{CHOICES} = [
2586: ['Without Answers', 'yes'],
2587: ['With Answers', 'no'],
2588: ['Only Answers', 'only']
2589: ];
2590: Apache::lonhelper::dropdown->new();
2591: addMessage("</td></tr>");
2592: $startedTable = 1;
2593: }
2594:
2595: if ($perm{'pav'}) {
2596: if (!$startedTable) {
2597: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2598: $startedTable = 1;
2599: } else {
2600: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2601: }
2602: $paramHash = Apache::lonhelper::getParamHash();
2603: $paramHash->{'variable'} = 'LATEX_TYPE';
2604: $helper->declareVar('LATEX_TYPE');
2605: if ($helper->{VARS}->{'construction'} eq '1') {
2606: $paramHash->{CHOICES} = [
2607: ['standard LaTeX mode', 'standard'],
2608: ['LaTeX batchmode', 'batchmode'], ];
2609: } else {
2610: $paramHash->{CHOICES} = [
2611: ['LaTeX batchmode', 'batchmode'],
2612: ['standard LaTeX mode', 'standard'] ];
2613: }
2614: Apache::lonhelper::dropdown->new();
2615:
2616: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2617: $paramHash = Apache::lonhelper::getParamHash();
2618: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2619: $helper->declareVar('TABLE_CONTENTS');
2620: $paramHash->{CHOICES} = [
2621: ['No', 'no'],
2622: ['Yes', 'yes'] ];
2623: Apache::lonhelper::dropdown->new();
2624: addMessage("</td></tr>");
2625:
2626: if (not $helper->{VARS}->{'construction'}) {
2627: addMessage("<tr><td align='right'>Print Index: </td><td>");
2628: $paramHash = Apache::lonhelper::getParamHash();
2629: $paramHash->{'variable'} = 'TABLE_INDEX';
2630: $helper->declareVar('TABLE_INDEX');
2631: $paramHash->{CHOICES} = [
2632: ['No', 'no'],
2633: ['Yes', 'yes'] ];
2634: Apache::lonhelper::dropdown->new();
2635: addMessage("</td></tr>");
2636: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2637: $paramHash = Apache::lonhelper::getParamHash();
2638: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2639: $helper->declareVar('PRINT_DISCUSSIONS');
2640: $paramHash->{CHOICES} = [
2641: ['No', 'no'],
2642: ['Yes', 'yes'] ];
2643: Apache::lonhelper::dropdown->new();
2644: addMessage("</td></tr>");
2645:
2646: addMessage("<tr><td align = 'right'> </td><td>");
2647: $paramHash = Apache::lonhelper::getParamHash();
2648: $paramHash->{'multichoice'} = "true";
2649: $paramHash->{'allowempty'} = "true";
2650: $paramHash->{'variable'} = "showallfoils";
2651: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2652: Apache::lonhelper::choices->new();
2653: addMessage("</td></tr>");
2654: }
2655:
2656: if ($helper->{'VARS'}->{'construction'}) {
2657: my $stylevalue=$env{'construct.style'};
2658: my $xmlfrag .= <<"RNDSEED";
2659: <message><tr><td align='right'>Use random seed: </td><td></message>
2660: <string variable="curseed" size="15" maxlength="15">
2661: <defaultvalue>
2662: return $helper->{VARS}->{'curseed'};
2663: </defaultvalue>
2664: </string>
2665: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2666: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
2667: <choices allowempty="1" multichoice="true" variable="showallfoils">
2668: <choice computer="1">Show all foils?</choice>
2669: </choices>
2670: <message></td></tr></message>
2671: RNDSEED
2672: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2673: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2674:
2675: }
2676: }
2677:
2678:
2679:
2680:
2681: if ($startedTable) {
2682: addMessage("</table>");
2683: }
2684:
2685: Apache::lonprintout::page_format_state->new("FORMAT");
2686:
2687: # Generate the PAGESIZE state which will offer the user the margin
2688: # choices if they select one column
2689: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2690: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2691:
2692:
2693: $helper->process();
2694:
2695:
2696: # MANUAL BAILOUT CONDITION:
2697: # If we're in the "final" state, bailout and return to handler
2698: if ($helper->{STATE} eq 'FINAL') {
2699: return $helper;
2700: }
2701:
2702: $r->print($helper->display());
2703: if ($helper->{STATE} eq 'START') {
2704: &recently_generated($r);
2705: }
2706: &Apache::lonhelper::unregisterHelperTags();
2707:
2708: return OK;
2709: }
2710:
2711:
2712: 1;
2713:
2714: package Apache::lonprintout::page_format_state;
2715:
2716: =pod
2717:
2718: =head1 Helper element: page_format_state
2719:
2720: See lonhelper.pm documentation for discussion of the helper framework.
2721:
2722: Apache::lonprintout::page_format_state is an element that gives the
2723: user an opportunity to select the page layout they wish to print
2724: with: Number of columns, portrait/landscape, and paper size. If you
2725: want to change the paper size choices, change the @paperSize array
2726: contents in this package.
2727:
2728: page_format_state is always directly invoked in lonprintout.pm, so there
2729: is no tag interface. You actually pass parameters to the constructor.
2730:
2731: =over 4
2732:
2733: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2734:
2735: =back
2736:
2737: =cut
2738:
2739: use Apache::lonhelper;
2740:
2741: no strict;
2742: @ISA = ("Apache::lonhelper::element");
2743: use strict;
2744: use Apache::lonlocal;
2745: use Apache::lonnet;
2746:
2747: my $maxColumns = 2;
2748: # it'd be nice if these all worked
2749: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2750: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2751: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2752: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2753: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2754: "a4 [210x297 mm]");
2755:
2756: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2757: # Paper type
2758:
2759: sub new {
2760: my $self = Apache::lonhelper::element->new();
2761:
2762: shift;
2763:
2764: $self->{'variable'} = shift;
2765: my $helper = Apache::lonhelper::getHelper();
2766: $helper->declareVar($self->{'variable'});
2767: bless($self);
2768: return $self;
2769: }
2770:
2771: sub render {
2772: my $self = shift;
2773: my $helper = Apache::lonhelper::getHelper();
2774: my $result = '';
2775: my $var = $self->{'variable'};
2776: my $PageLayout=&mt('Page layout');
2777: my $NumberOfColumns=&mt('Number of columns');
2778: my $PaperType=&mt('Paper type');
2779: $result .= <<STATEHTML;
2780:
2781: <hr width="33%" />
2782: <table cellpadding="3">
2783: <tr>
2784: <td align="center"><b>$PageLayout</b></td>
2785: <td align="center"><b>$NumberOfColumns</b></td>
2786: <td align="center"><b>$PaperType</b></td>
2787: </tr>
2788: <tr>
2789: <td>
2790: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2791: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2792: </td>
2793: <td align="center">
2794: <select name="${var}.cols">
2795: STATEHTML
2796:
2797: my $i;
2798: for ($i = 1; $i <= $maxColumns; $i++) {
2799: if ($i == 2) {
2800: $result .= "<option value='$i' selected>$i</option>\n";
2801: } else {
2802: $result .= "<option value='$i'>$i</option>\n";
2803: }
2804: }
2805:
2806: $result .= "</select></td><td>\n";
2807: $result .= "<select name='${var}.paper'>\n";
2808:
2809: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2810: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
2811: $DefaultPaperSize=~s/\s//g;
2812: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2813: $i = 0;
2814: foreach (@paperSize) {
2815: $_=~/(\w+)/;
2816: my $papersize=$1;
2817: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2818: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2819: } else {
2820: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2821: }
2822: $i++;
2823: }
2824: $result .= "</select></td></tr></table>";
2825: return $result;
2826: }
2827:
2828: sub postprocess {
2829: my $self = shift;
2830:
2831: my $var = $self->{'variable'};
2832: my $helper = Apache::lonhelper->getHelper();
2833: $helper->{VARS}->{$var} =
2834: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2835: $env{"form.$var.paper"};
2836: return 1;
2837: }
2838:
2839: 1;
2840:
2841: package Apache::lonprintout::page_size_state;
2842:
2843: =pod
2844:
2845: =head1 Helper element: page_size_state
2846:
2847: See lonhelper.pm documentation for discussion of the helper framework.
2848:
2849: Apache::lonprintout::page_size_state is an element that gives the
2850: user the opportunity to further refine the page settings if they
2851: select a single-column page.
2852:
2853: page_size_state is always directly invoked in lonprintout.pm, so there
2854: is no tag interface. You actually pass parameters to the constructor.
2855:
2856: =over 4
2857:
2858: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2859:
2860: =back
2861:
2862: =cut
2863:
2864: use Apache::lonhelper;
2865: use Apache::lonnet;
2866: no strict;
2867: @ISA = ("Apache::lonhelper::element");
2868: use strict;
2869:
2870:
2871:
2872: sub new {
2873: my $self = Apache::lonhelper::element->new();
2874:
2875: shift; # disturbs me (probably prevents subclassing) but works (drops
2876: # package descriptor)... - Jeremy
2877:
2878: $self->{'variable'} = shift;
2879: my $helper = Apache::lonhelper::getHelper();
2880: $helper->declareVar($self->{'variable'});
2881:
2882: # The variable name of the format element, so we can look into
2883: # $helper->{VARS} to figure out whether the columns are one or two
2884: $self->{'formatvar'} = shift;
2885:
2886: # The state to transition to after selection, or after discovering
2887: # the cols are not set to 1
2888: $self->{NEXTSTATE} = shift;
2889: bless($self);
2890: return $self;
2891: }
2892:
2893: sub render {
2894: my $self = shift;
2895: my $helper = Apache::lonhelper::getHelper();
2896: my $result = '';
2897: my $var = $self->{'variable'};
2898:
2899: if (defined $self->{ERROR_MSG}) {
2900: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2901: }
2902:
2903: my $width = 18;
2904: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2905: if (substr($format, 2, 1) ne '1') {
2906: $width = 9;
2907: }
2908:
2909: $result .= <<ELEMENTHTML;
2910:
2911: <p>How should the column be formatted?</p>
2912:
2913: <table cellpadding='3'>
2914: <tr>
2915: <td align='right'><b>Width</b>:</td>
2916: <td align='left'><input type='text' name='$var.width' value='$width' size='4'></td>
2917: <td align='left'>
2918: <select name='$var.widthunit'>
2919: <option>cm</option><option>in</option>
2920: </select>
2921: </td>
2922: </tr>
2923: <tr>
2924: <td align='right'><b>Height</b>:</td>
2925: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2926: <td align='left'>
2927: <select name='$var.heightunit'>
2928: <option>cm</option><option>in</option>
2929: </select>
2930: </td>
2931: </tr>
2932: <tr>
2933: <td align='right'><b>Left margin</b>:</td>
2934: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2935: <td align='left'>
2936: <select name='$var.lmarginunit'>
2937: <option>cm</option><option>in</option>
2938: </select>
2939: </td>
2940: </tr>
2941: </table>
2942:
2943: <p>Hint: Some instructors like to leave scratch space for the student by
2944: making the width much smaller than the width of the page.</p>
2945:
2946: ELEMENTHTML
2947:
2948: return $result;
2949: }
2950:
2951: # If the user didn't select 1 column, skip this state.
2952: sub preprocess {
2953: my $self = shift;
2954: my $helper = Apache::lonhelper::getHelper();
2955:
2956: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2957: # if (substr($format, 2, 1) ne '1') {
2958: # $helper->changeState($self->{NEXTSTATE});
2959: # }
2960:
2961: return 1;
2962: }
2963:
2964: sub postprocess {
2965: my $self = shift;
2966:
2967: my $var = $self->{'variable'};
2968: my $helper = Apache::lonhelper->getHelper();
2969: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
2970: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
2971: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
2972: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
2973: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
2974: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
2975:
2976: my $error = '';
2977:
2978: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2979: # by an optional period, followed by digits, ending the string
2980:
2981: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2982: $error .= "Invalid width; please type only a number.<br />\n";
2983: }
2984: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2985: $error .= "Invalid height; please type only a number.<br />\n";
2986: }
2987: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2988: $error .= "Invalid left margin; please type only a number.<br />\n";
2989: }
2990:
2991: if (!$error) {
2992: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2993: return 1;
2994: } else {
2995: $self->{ERROR_MSG} = $error;
2996: return 0;
2997: }
2998: }
2999:
3000:
3001:
3002: __END__
3003:
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