1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.452 2006/06/30 21:37:05 albertel 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: $plainname = &escape_LaTeX($plainname);
707: return $plainname;
708: }
709:
710: sub get_course {
711: my $courseidinfo;
712: if (defined($env{'request.course.id'})) {
713: $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
714: }
715: return $courseidinfo;
716: }
717:
718: sub page_format_transformation {
719: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
720: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
721: if ($selectionmade eq '4') {
722: $assignment='Problems from the Whole Course';
723: } else {
724: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
725: }
726: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
727: my $name = &get_name();
728: my $courseidinfo = &get_course();
729: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
730: my $topmargintoinsert = '';
731: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
732: my $fancypagestatement='';
733: if ($numberofcolumns eq '2') {
734: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
735: } else {
736: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
737: }
738: if ($layout eq 'album') {
739: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
740: } elsif ($layout eq 'book') {
741: if ($choice ne 'All class print') {
742: $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/;
743: } else {
744: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
745: }
746: if ($papersize eq 'a4') {
747: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
748: }
749: }
750: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
751: if ($indexlist eq 'yes') {
752: $text=~s/(\\begin{document})/\\makeindex $1/;
753: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
754: }
755: return $text;
756: }
757:
758:
759: sub page_cleanup {
760: my $result = shift;
761:
762: $result =~ m/\\end{document}(\d*)$/;
763: my $number_of_columns = $1;
764: my $insert = '{';
765: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
766: $insert .= '}';
767: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
768: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
769: return $result,$number_of_columns;
770: }
771:
772:
773: sub details_for_menu {
774: my ($helper)=@_;
775: my $postdata=$env{'form.postdata'};
776: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
777: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
778: my $symbolic = &Apache::lonnet::symbread($postdata);
779: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
780: $map=&Apache::lonnet::clutter($map);
781: my $name_of_sequence = &Apache::lonnet::gettitle($map);
782: if ($name_of_sequence =~ /^\s*$/) {
783: $map =~ m|([^/]+)$|;
784: $name_of_sequence = $1;
785: }
786: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
787: if ($name_of_map =~ /^\s*$/) {
788: $env{'request.course.uri'} =~ m|([^/]+)$|;
789: $name_of_map = $1;
790: }
791: return ($name_of_resource,$name_of_sequence,$name_of_map);
792: }
793:
794:
795: sub latex_corrections {
796: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
797: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
798: $result =~ s/\$number_of_columns/$number_of_columns/g;
799: if ($selectionmade eq '1' || $answer_mode eq 'only') {
800: $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/;
801: } else {
802: $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/;
803: }
804: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
805: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
806: #-- LaTeX corrections
807: my $first_comment = index($result,'<!--',0);
808: while ($first_comment != -1) {
809: my $end_comment = index($result,'-->',$first_comment);
810: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
811: $first_comment = index($result,'<!--',$first_comment);
812: }
813: $result =~ s/^\s+$//gm; #remove empty lines
814: #removes more than one empty space
815: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
816: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
817: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
818: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
819: $result =~ s/\\\\\s+\[/ \[/g;
820: #conversion of html characters to LaTeX equivalents
821: if ($result =~ m/&(\w+|#\d+);/) {
822: $result = &character_chart($result);
823: }
824: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
825: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
826: return $result;
827: }
828:
829:
830: sub index_table {
831: my $currentURL = shift;
832: my $insex_string='';
833: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
834: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
835: return $insex_string;
836: }
837:
838:
839: sub IndexCreation {
840: my ($texversion,$currentURL)=@_;
841: my @key_words=split(/,/,&index_table($currentURL));
842: my $chunk='';
843: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
844: if ($st>0) {
845: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
846: $chunk=substr($texversion,0,$st+1);
847: substr($texversion,0,$st+1)=' ';
848: }
849: foreach my $key_word (@key_words) {
850: if ($key_word=~/\S+/) {
851: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
852: }
853: }
854: if ($st>0) {substr($texversion,0,1)=$chunk;}
855: return $texversion;
856: }
857:
858: sub print_latex_header {
859: my $mode=shift;
860: my $output='\documentclass[letterpaper,twoside]{article}';
861: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
862: $output.='\batchmode';
863: }
864: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
865: '\usepackage{multirow}'."\n".
866: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
867: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
868: '\usepackage{wrapfig}'.
869: '\usepackage{picins}\usepackage{calc}'."\n".
870: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
871: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
872: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
873: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
874: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
875: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
876: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
877: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
878: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
879: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
880: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
881: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
882: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
883: return $output;
884: }
885:
886: sub path_to_problem {
887: my ($urlp,$colwidth)=@_;
888: $urlp=&Apache::lonnet::clutter($urlp);
889:
890: my $newurlp = '';
891: $colwidth=~s/\s*mm\s*$//;
892: #characters average about 2 mm in width
893: if (length($urlp)*2 > $colwidth) {
894: my @elements = split('/',$urlp);
895: my $curlength=0;
896: foreach my $element (@elements) {
897: if ($element eq '') { next; }
898: if ($curlength+(length($element)*2) > $colwidth) {
899: $newurlp .= '|\vskip -1 mm \verb|';
900: $curlength=length($element)*2;
901: } else {
902: $curlength+=length($element)*2;
903: }
904: $newurlp.='/'.$element;
905: }
906: } else {
907: $newurlp=$urlp;
908: }
909: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
910: }
911:
912: sub recalcto_mm {
913: my $textwidth=shift;
914: my $LaTeXwidth;
915: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
916: $LaTeXwidth = $1*10;
917: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
918: $LaTeXwidth = $1;
919: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
920: $LaTeXwidth = $1*25.4;
921: }
922: $LaTeXwidth.=' mm';
923: return $LaTeXwidth;
924: }
925:
926: sub get_textwidth {
927: my ($helper,$LaTeXwidth)=@_;
928: my $textwidth=$LaTeXwidth;
929: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
930: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
931: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
932: $helper->{'VARS'}->{'pagesize.widthunit'});
933: }
934: return $textwidth;
935: }
936:
937:
938: sub unsupported {
939: my ($currentURL,$mode,$symb)=@_;
940: if ($mode ne '') {$mode='\\'.$mode}
941: my $result.= &print_latex_header($mode);
942: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
943: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
944: my $title=&Apache::lonnet::gettitle($symb);
945: $title = &Apache::lonxml::latex_special_symbols($title);
946: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
947: } else {
948: $result.=$currentURL;
949: }
950: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
951: return $result;
952: }
953:
954:
955: #
956: # List of recently generated print files
957: #
958: sub recently_generated {
959: my $r=shift;
960: my $prtspool=$r->dir_config('lonPrtDir');
961: my $zip_result;
962: my $pdf_result;
963: opendir(DIR,$prtspool);
964:
965: my @files =
966: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
967: closedir(DIR);
968:
969: @files = sort {
970: my ($actime) = (stat($prtspool.'/'.$a))[10];
971: my ($bctime) = (stat($prtspool.'/'.$b))[10];
972: return $bctime <=> $actime;
973: } (@files);
974:
975: foreach my $filename (@files) {
976: my ($ext) = ($filename =~ m/(pdf|zip)$/);
977: my ($cdev,$cino,$cmode,$cnlink,
978: $cuid,$cgid,$crdev,$csize,
979: $catime,$cmtime,$cctime,
980: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
981: my $result="<a href='/prtspool/$filename'>".
982: &mt('Generated [_1] ([_2] bytes)',
983: &Apache::lonlocal::locallocaltime($cctime),$csize).
984: '</a><br />';
985: if ($ext eq 'pdf') { $pdf_result .= $result; }
986: if ($ext eq 'zip') { $zip_result .= $result; }
987: }
988: if ($zip_result) {
989: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
990: .$zip_result);
991: }
992: if ($pdf_result) {
993: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
994: .$pdf_result);
995: }
996: }
997:
998: #
999: # Retrieve the hash of page breaks.
1000: #
1001: # Inputs:
1002: # helper - reference to helper object.
1003: # Outputs
1004: # A reference to a page break hash.
1005: #
1006: #
1007: #use Data::Dumper;
1008: #sub dump_helper_vars {
1009: # my ($helper) = @_;
1010: # my $helpervars = Dumper($helper->{'VARS'});
1011: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
1012: #}
1013:
1014: sub get_page_breaks {
1015: my ($helper) = @_;
1016: my %page_breaks;
1017:
1018: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1019: $page_breaks{$break} = 1;
1020: }
1021: return %page_breaks;
1022: }
1023:
1024: sub output_data {
1025: my ($r,$helper,$rparmhash) = @_;
1026: my %parmhash = %$rparmhash;
1027: my $resources_printed = '';
1028: my $js = <<ENDPART;
1029: <script type="text/javascript">
1030: var editbrowser;
1031: function openbrowser(formname,elementname,only,omit) {
1032: var url = '/res/?';
1033: if (editbrowser == null) {
1034: url += 'launch=1&';
1035: }
1036: url += 'catalogmode=interactive&';
1037: url += 'mode=parmset&';
1038: url += 'form=' + formname + '&';
1039: if (only != null) {
1040: url += 'only=' + only + '&';
1041: }
1042: if (omit != null) {
1043: url += 'omit=' + omit + '&';
1044: }
1045: url += 'element=' + elementname + '';
1046: var title = 'Browser';
1047: var options = 'scrollbars=1,resizable=1,menubar=0';
1048: options += ',width=700,height=600';
1049: editbrowser = open(url,title,options,'1');
1050: editbrowser.focus();
1051: }
1052: </script>
1053: ENDPART
1054:
1055: my $start_page = &Apache::loncommon::start_page('Preparing Printout',$js);
1056: my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1057:
1058: $r->print($start_page."\n<p>\n$msg\n</p>\n");
1059:
1060: # fetch the pagebreaks and store them in the course environment
1061: # The page breaks will be pulled into the hash %page_breaks which is
1062: # indexed by symb and contains 1's for each break.
1063:
1064: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1065: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1066: &Apache::loncommon::store_course_settings('print',
1067: {'pagebreaks' => 'scalar',
1068: 'lastprinttype' => 'scalar'});
1069:
1070: my %page_breaks = &get_page_breaks($helper);
1071:
1072: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1073: my ($result,$selectionmade) = ('','');
1074: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1075: my @temporary_array=split /\|/,$format_from_helper;
1076: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1077: if ($laystyle eq 'L') {
1078: $laystyle='album';
1079: } else {
1080: $laystyle='book';
1081: }
1082: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1083: my $assignment = $env{'form.assignment'};
1084: my $LaTeXwidth=&recalcto_mm($textwidth);
1085: my @print_array=();
1086: my @student_names=();
1087:
1088: # Common settings for the %form has:
1089: # In some cases these settings get overriddent by specific cases, but the
1090: # settings are common enough to make it worthwhile factoring them out
1091: # here.
1092: #
1093: my %form;
1094: $form{'grade_target'} = 'tex';
1095: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1096:
1097: # If form.showallfoils is set, then request all foils be shown:
1098: # privilege will be enforced both by not allowing the
1099: # check box selecting this option to be presnt unless it's ok,
1100: # and by lonresponse's priv. check.
1101: # The if is here because lonresponse.pm only cares that
1102: # showallfoils is defined, not what the value is.
1103:
1104: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1105: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1106: }
1107:
1108: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1109: #-- single document - problem, page, html, xml, ...
1110: my ($currentURL,$cleanURL);
1111:
1112: if ($helper->{'VARS'}->{'construction'} ne '1') {
1113: #prints published resource
1114: $currentURL=$helper->{'VARS'}->{'postdata'};
1115: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1116: } else {
1117: #prints resource from the construction space
1118: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1119: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1120: $cleanURL=$currentURL;
1121: }
1122: $selectionmade = 1;
1123: if ($cleanURL!~m|^/adm/|
1124: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1125: my $rndseed=time;
1126: my $texversion='';
1127: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1128: my %moreenv;
1129: $moreenv{'request.filename'}=$cleanURL;
1130: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1131: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1132: my $dom = $env{'user.domain'};
1133: my $user = $env{'user.name'};
1134: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1135: }
1136: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1137: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1138: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1139: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1140: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1141: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1142: if ($helper->{'VARS'}->{'curseed'}) {
1143: $rndseed=$helper->{'VARS'}->{'curseed'};
1144: }
1145: $form{'rndseed'}=$rndseed;
1146: &Apache::lonnet::appenv(%moreenv);
1147:
1148: &Apache::lonxml::clear_problem_counter();
1149:
1150: $resources_printed .= $currentURL.':';
1151: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1152:
1153: &Apache::lonxml::clear_problem_counter();
1154:
1155: &Apache::lonnet::delenv('request.filename');
1156: }
1157: # current document with answers.. no need to encap in minipage
1158: # since there's only one answer.
1159:
1160: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1161: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1162: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1163: $form{'grade_target'}='answer';
1164: $form{'answer_output_mode'}='tex';
1165: $form{'rndseed'}=$rndseed;
1166: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1167: $form{'problemtype'}='exam';
1168: }
1169: $resources_printed .= $currentURL.':';
1170: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1171: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1172: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1173: } else {
1174: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1175: if ($helper->{'VARS'}->{'construction'} ne '1') {
1176: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1177: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1178: } else {
1179: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1180: my $URLpath=$cleanURL;
1181: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1182: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1183: }
1184: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1185: }
1186: }
1187: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1188: $texversion=&IndexCreation($texversion,$currentURL);
1189: }
1190: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1191: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1192:
1193: }
1194: $result .= $texversion;
1195: if ($currentURL=~m/\.page\s*$/) {
1196: ($result,$number_of_columns) = &page_cleanup($result);
1197: }
1198: } elsif ($cleanURL!~m|^/adm/|
1199: && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1200: #printing content of sequence from the construction space
1201: my $flag_latex_header_remove = 'NO';
1202: my $rndseed=time;
1203: if ($helper->{'VARS'}->{'curseed'}) {
1204: $rndseed=$helper->{'VARS'}->{'curseed'};
1205: }
1206: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1207: my $errtext=&Apache::lonratedt::mapread($currentURL);
1208: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
1209: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
1210: my $urlp=$2;
1211: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1212: my $texversion='';
1213: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1214: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1215: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1216: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1217: $form{'rndseed'}=$rndseed;
1218: $resources_printed .=$urlp.':';
1219: $texversion=&Apache::lonnet::ssi($urlp,%form);
1220: }
1221: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1222: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1223: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1224: # Don't permanently modify %$form...
1225: my %answerform = %form;
1226: $answerform{'grade_target'}='answer';
1227: $answerform{'answer_output_mode'}='tex';
1228: $answerform{'rndseed'}=$rndseed;
1229: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1230: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1231: $resources_printed .= $urlp.':';
1232: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1233: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1234: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1235: } else {
1236: # If necessary, encapsulate answer in minipage:
1237:
1238: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1239: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1240: $body.=&path_to_problem($urlp,$LaTeXwidth);
1241: $body.='\vskip 1 mm '.$answer.'\end{document}';
1242: $body = &encapsulate_minipage($body);
1243: $texversion.=$body;
1244: }
1245: }
1246: if ($flag_latex_header_remove ne 'NO') {
1247: $texversion = &latex_header_footer_remove($texversion);
1248: } else {
1249: $texversion =~ s/\\end{document}//;
1250: }
1251: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1252: $texversion=&IndexCreation($texversion,$urlp);
1253: }
1254: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1255: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1256: }
1257: $result.=$texversion;
1258: $flag_latex_header_remove = 'YES';
1259: } elsif ($urlp=~/\.(sequence|page)$/) {
1260: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1261: }
1262: }
1263: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1264: $result .= '\end{document}';
1265: } elsif ($cleanURL=~/\/(smppg|grppg|syllabus|aboutme|bulletinboard)$/) {
1266: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1267: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1268: $resources_printed .= $currentURL.':';
1269: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1270: $result .= $texversion;
1271: } else {
1272: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
1273: $helper->{'VARS'}->{'symb'});
1274: }
1275: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1276: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1277: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1278: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1279: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1280: #-- produce an output string
1281: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1282: $selectionmade = 2;
1283: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1284: $selectionmade = 3;
1285: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1286: $selectionmade = 4;
1287: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1288: $selectionmade = 4;
1289: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1290: $selectionmade = 7;
1291: }
1292: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1293: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1294: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1295: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1296: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1297: my $flag_latex_header_remove = 'NO';
1298: my $flag_page_in_sequence = 'NO';
1299: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1300: my $prevassignment='';
1301:
1302: &Apache::lonxml::clear_problem_counter();
1303:
1304: my $pbreakresources = keys %page_breaks;
1305: for (my $i=0;$i<=$#master_seq;$i++) {
1306:
1307: # Note due to document structure, not allowed to put \newpage
1308: # prior to the first resource
1309:
1310: if (defined $page_breaks{$master_seq[$i]}) {
1311: if($i != 0) {
1312: $result.="\\newpage\n";
1313: }
1314: }
1315: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1316: $urlp=&Apache::lonnet::clutter($urlp);
1317: $form{'symb'}=$master_seq[$i];
1318:
1319: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1320: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1321: if ($i==0) {$prevassignment=$assignment;}
1322: my $texversion='';
1323: if ($urlp!~m|^/adm/|
1324: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1325: $resources_printed .= $urlp.':';
1326:
1327: &Apache::lonxml::remember_problem_counter();
1328: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1329: if ($urlp=~/\.page$/) {
1330: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1331: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1332: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1333: $flag_page_in_sequence = 'YES';
1334: }
1335:
1336: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1337: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1338: # Don't permanently pervert the %form hash
1339: my %answerform = %form;
1340: $answerform{'grade_target'}='answer';
1341: $answerform{'answer_output_mode'}='tex';
1342: $resources_printed .= $urlp.':';
1343:
1344: &Apache::lonxml::restore_problem_counter();
1345: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1346:
1347: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1348: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1349: } else {
1350: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1351: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1352: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm ';
1353: $body .= &path_to_problem ($urlp,$LaTeXwidth);
1354: $body .='\vskip 1 mm '.$answer;
1355: $body = &encapsulate_minipage($body);
1356: $texversion .= $body;
1357: } else {
1358: $texversion='';
1359: }
1360: }
1361: }
1362: if ($flag_latex_header_remove ne 'NO') {
1363: $texversion = &latex_header_footer_remove($texversion);
1364: } else {
1365: $texversion =~ s/\\end{document}//;
1366: }
1367: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1368: $texversion=&IndexCreation($texversion,$urlp);
1369: }
1370: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1371: my $name = &get_name();
1372: my $courseidinfo = &get_course();
1373: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1374: $prevassignment=$assignment;
1375: if ($numberofcolumns eq '1') {
1376: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1377: } else {
1378: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1379: }
1380: }
1381: $result .= $texversion;
1382: $flag_latex_header_remove = 'YES';
1383: } elsif ($urlp=~/\/(smppg|grppg|syllabus|aboutme|bulletinboard)$/) {
1384: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1385: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1386: $resources_printed .= $urlp.':';
1387: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1388: if ($flag_latex_header_remove ne 'NO') {
1389: $texversion = &latex_header_footer_remove($texversion);
1390: } else {
1391: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1392: }
1393: $result .= $texversion;
1394: $flag_latex_header_remove = 'YES';
1395: } else {
1396: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
1397: $master_seq[$i]);
1398: if ($flag_latex_header_remove ne 'NO') {
1399: $texversion = &latex_header_footer_remove($texversion);
1400: } else {
1401: $texversion =~ s/\\end{document}//;
1402: }
1403: $result .= $texversion;
1404: $flag_latex_header_remove = 'YES';
1405: }
1406: if (&Apache::loncommon::connection_aborted($r)) { last; }
1407: }
1408: &Apache::lonxml::clear_problem_counter();
1409: if ($flag_page_in_sequence eq 'YES') {
1410: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1411: }
1412: $result .= '\end{document}';
1413: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1414: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1415:
1416:
1417: #-- prints assignments for whole class or for selected students
1418: my $type;
1419: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1420: $selectionmade=5;
1421: $type='problems';
1422: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1423: $selectionmade=8;
1424: $type='resources';
1425: }
1426: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1427: # The normal sort order is by section then by students within the
1428: # section. If the helper var student_sort is 1, then the user has elected
1429: # to override this and output the students by name.
1430: # Each element of the students array is of the form:
1431: # username:domain:section:last, first:status
1432: #
1433: # Note that student sort is not compatible with printing
1434: # 1 section per pdf...so that setting overrides.
1435: #
1436: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
1437: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1438: @students = sort compare_names @students;
1439: }
1440: &adjust_number_to_print($helper);
1441:
1442: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1443: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1444: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1445: }
1446: # If we are splitting on section boundaries, we need
1447: # to remember that in split_on_sections and
1448: # print all of the students in the list.
1449: #
1450: my $split_on_sections = 0;
1451: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
1452: $split_on_sections = 1;
1453: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
1454: }
1455: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1456:
1457: #loop over students
1458: my $flag_latex_header_remove = 'NO';
1459: my %moreenv;
1460: $moreenv{'instructor_comments'}='hide';
1461: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1462: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1463: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1464: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1465: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1466: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1467: my $student_counter=-1;
1468: my $i = 0;
1469: my $last_section = (split(/:/,$students[0]))[2];
1470: foreach my $person (@students) {
1471:
1472: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1473: if (-e $duefile) {
1474: my $temp_file = Apache::File->new('>>'.$duefile);
1475: print $temp_file "1969\n";
1476: }
1477: $student_counter++;
1478: if ($split_on_sections) {
1479: my $this_section = (split(/:/,$person))[2];
1480: if ($this_section ne $last_section) {
1481: $i++;
1482: $last_section = $this_section;
1483: }
1484: } else {
1485: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1486: }
1487: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1488: $person,$type,
1489: \%moreenv,\@master_seq,
1490: $flag_latex_header_remove,
1491: $LaTeXwidth);
1492: $resources_printed .= ":";
1493: $print_array[$i].=$output;
1494: $student_names[$i].=$person.':'.$fullname.'_END_';
1495: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1496: $flag_latex_header_remove = 'YES';
1497: if (&Apache::loncommon::connection_aborted($r)) { last; }
1498: }
1499: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1500: $result .= $print_array[0].' \end{document}';
1501: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1502: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1503: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1504: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1505: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1506: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1507: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1508: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1509: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1510:
1511: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1512: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1513: my ($code_type,$code_length)=('letter',6);
1514: foreach my $line (<FH>) {
1515: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1516: if ($name eq $code_option) {
1517: $code_length=$length;
1518: if ($type eq 'number') { $code_type = 'number'; }
1519: }
1520: }
1521: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1522: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1523: $moreenv{'instructor_comments'}='hide';
1524: my $seed=time+($$<<16)+($$);
1525: my @allcodes;
1526: if ($old_name) {
1527: my %result=&Apache::lonnet::get('CODEs',
1528: [$old_name,"type\0$old_name"],
1529: $cdom,$cnum);
1530: $code_type=$result{"type\0$old_name"};
1531: @allcodes=split(',',$result{$old_name});
1532: $num_todo=scalar(@allcodes);
1533: } elsif ($selected_code) { # Selection value is always numeric.
1534: $num_todo = 1;
1535: @allcodes = ($selected_code);
1536: } elsif ($single_code) {
1537:
1538: $num_todo = 1; # Unconditionally one code to do.
1539: # If an alpha code have to convert to numbers so it can be
1540: # converted back to letters again :-)
1541: #
1542: if ($code_type ne 'number') {
1543: $single_code = &letters_to_num($single_code);
1544: }
1545: @allcodes = ($single_code);
1546: } else {
1547: my %allcodes;
1548: srand($seed);
1549: for (my $i=0;$i<$num_todo;$i++) {
1550: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1551: $code_type);
1552: }
1553: if ($code_name) {
1554: &Apache::lonnet::put('CODEs',
1555: {
1556: $code_name =>join(',',keys(%allcodes)),
1557: "type\0$code_name" => $code_type
1558: },
1559: $cdom,$cnum);
1560: }
1561: @allcodes=keys(%allcodes);
1562: }
1563: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1564: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1565: &adjust_number_to_print($helper);
1566: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1567: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1568: $number_per_page=$num_todo;
1569: }
1570: my $flag_latex_header_remove = 'NO';
1571: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1572: my $count=0;
1573: foreach my $code (sort(@allcodes)) {
1574: my $file_num=int($count/$number_per_page);
1575: if ($code_type eq 'number') {
1576: $moreenv{'CODE'}=$code;
1577: } else {
1578: $moreenv{'CODE'}=&num_to_letters($code);
1579: }
1580: my ($output,$fullname, $printed)=
1581: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1582: \@master_seq,$flag_latex_header_remove,
1583: $LaTeXwidth);
1584: $resources_printed .= ":";
1585: $print_array[$file_num].=$output;
1586: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1587: &mt('last assignment').' '.$fullname);
1588: $flag_latex_header_remove = 'YES';
1589: $count++;
1590: if (&Apache::loncommon::connection_aborted($r)) { last; }
1591: }
1592: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1593: $result .= $print_array[0].' \end{document}';
1594: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1595: #prints selected problems from the subdirectory
1596: $selectionmade = 6;
1597: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1598: @list_of_files=sort @list_of_files;
1599: my $flag_latex_header_remove = 'NO';
1600: my $rndseed=time;
1601: if ($helper->{'VARS'}->{'curseed'}) {
1602: $rndseed=$helper->{'VARS'}->{'curseed'};
1603: }
1604: for (my $i=0;$i<=$#list_of_files;$i++) {
1605: my $urlp = $list_of_files[$i];
1606: $urlp=~s|//|/|;
1607: if ($urlp=~/\//) {
1608: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1609: $form{'rndseed'}=$rndseed;
1610: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1611: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1612: } else {
1613: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1614: }
1615: $resources_printed .= $urlp.':';
1616: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1617: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1618: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1619: # Don't permanently pervert %form:
1620: my %answerform = %form;
1621: $answerform{'grade_target'}='answer';
1622: $answerform{'answer_output_mode'}='tex';
1623: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1624: $answerform{'rndseed'}=$rndseed;
1625: $resources_printed .= $urlp.':';
1626: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1627: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1628: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1629: } else {
1630: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1631: if ($helper->{'VARS'}->{'construction'} ne '1') {
1632: $texversion.='\vskip 0 mm \noindent ';
1633: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1634: } else {
1635: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1636: my $URLpath=$urlp;
1637: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1638: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1639: }
1640: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1641: }
1642: }
1643: #this chunck is responsible for printing the path to problem
1644: my $newurlp=$urlp;
1645: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1646: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1647: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1648: if ($flag_latex_header_remove ne 'NO') {
1649: $texversion = &latex_header_footer_remove($texversion);
1650: } else {
1651: $texversion =~ s/\\end{document}//;
1652: }
1653: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1654: $texversion=&IndexCreation($texversion,$urlp);
1655: }
1656: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1657: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1658:
1659: }
1660: $result .= $texversion;
1661: }
1662: $flag_latex_header_remove = 'YES';
1663: }
1664: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1665: $result .= '\end{document}';
1666: }
1667: #-------------------------------------------------------- corrections for the different page formats
1668: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1669: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
1670: $helper->{'VARS'}->{'ANSWER_TYPE'});
1671: for (my $i=1;$i<=$#print_array;$i++) {
1672: $print_array[$i] =
1673: &latex_corrections($number_of_columns,$print_array[$i],
1674: $selectionmade,
1675: $helper->{'VARS'}->{'ANSWER_TYPE'});
1676: }
1677: if ($numberofcolumns == 1) {
1678: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1679: $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1680: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1681: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1682: }
1683:
1684: #-- writing .tex file in prtspool
1685: my $temp_file;
1686: my $identifier = &Apache::loncommon::get_cgi_id();
1687: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1688: if (!($#print_array>0)) {
1689: unless ($temp_file = Apache::File->new('>'.$filename)) {
1690: $r->log_error("Couldn't open $filename for output $!");
1691: return SERVER_ERROR;
1692: }
1693: print $temp_file $result;
1694: my $begin=index($result,'\begin{document}',0);
1695: my $inc=substr($result,0,$begin+16);
1696: } else {
1697: my $begin=index($result,'\begin{document}',0);
1698: my $inc=substr($result,0,$begin+16);
1699: for (my $i=0;$i<=$#print_array;$i++) {
1700: if ($i==0) {
1701: $print_array[$i]=$result;
1702: } else {
1703: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1704: substr($print_array[$i],0,$anobegin)='';
1705: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1706: }
1707: my $temp_file;
1708: my $newfilename=$filename;
1709: my $num=$i+1;
1710: $newfilename =~s/\.tex$//;
1711: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1712: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1713: $r->log_error("Couldn't open $newfilename for output $!");
1714: return SERVER_ERROR;
1715: }
1716: print $temp_file $print_array[$i];
1717: }
1718: }
1719: my $student_names='';
1720: if ($#print_array>0) {
1721: for (my $i=0;$i<=$#print_array;$i++) {
1722: $student_names.=$student_names[$i].'_ENDPERSON_';
1723: }
1724: } else {
1725: if ($#student_names>-1) {
1726: $student_names=$student_names[0].'_ENDPERSON_';
1727: } else {
1728: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1729: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1730: $env{'request.course.sec'},$fullname).
1731: '_ENDPERSON_'.'_END_';
1732: }
1733: }
1734:
1735: my $URLback=''; #link to original document
1736: if ($helper->{'VARS'}->{'construction'} ne '1') {
1737: #prints published resource
1738: $URLback=&escape('/adm/flip?postdata=return:');
1739: } else {
1740: #prints resource from the construction space
1741: $URLback='/'.$helper->{'VARS'}->{'filename'};
1742: if ($URLback=~/([^?]+)/) {
1743: $URLback=$1;
1744: $URLback=~s|^/~|/priv/|;
1745: }
1746: }
1747: # logic for now is too complex to trace if this has been defined
1748: # yet.
1749: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1750: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1751: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1752: 'cgi.'.$identifier.'.layout' => $laystyle,
1753: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1754: 'cgi.'.$identifier.'.paper' => $papersize,
1755: 'cgi.'.$identifier.'.selection' => $selectionmade,
1756: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1757: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1758: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1759: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1760: 'cgi.'.$identifier.'.studentnames' => $student_names,
1761: 'cgi.'.$identifier.'.backref' => $URLback,);
1762: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1763: "cgi.$identifier.domain" => $env{'user.domain'},
1764: "cgi.$identifier.courseid" => $cnum,
1765: "cgi.$identifier.coursedom" => $cdom,
1766: "cgi.$identifier.resources" => $resources_printed);
1767:
1768: my $end_page = &Apache::loncommon::end_page();
1769: $r->print(<<FINALEND);
1770: <br />
1771: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1772: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1773: $end_page
1774: FINALEND
1775: }
1776:
1777:
1778: sub get_CODE {
1779: my ($all_codes,$num,$seed,$size,$type)=@_;
1780: my $max='1'.'0'x$size;
1781: my $newcode;
1782: while(1) {
1783: $newcode=sprintf("%0".$size."d",int(rand($max)));
1784: if (!exists($$all_codes{$newcode})) {
1785: $$all_codes{$newcode}=1;
1786: if ($type eq 'number' ) {
1787: return $newcode;
1788: } else {
1789: return &num_to_letters($newcode);
1790: }
1791: }
1792: }
1793: }
1794:
1795: sub print_resources {
1796: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1797: $LaTeXwidth)=@_;
1798: my $current_output = '';
1799: my $printed = '';
1800: my ($username,$userdomain,$usersection) = split /:/,$person;
1801: my $fullname = &get_name($username,$userdomain);
1802: my $namepostfix;
1803: if ($person =~ 'anon') {
1804: $namepostfix="\\\\Name: ";
1805: $fullname = "CODE - ".$moreenv->{'CODE'};
1806: }
1807: # Fullname may have special latex characters that need \ prefixing:
1808: #
1809:
1810: my $i = 0;
1811: #goes through all resources, checks if they are available for
1812: #current student, and produces output
1813:
1814: &Apache::lonxml::clear_problem_counter();
1815: my %page_breaks = &get_page_breaks($helper);
1816: my @format_array = split(/\|/,$helper->{'VARS'}->{'FORMAT'});
1817: my $columns_in_format = $format_array[1];
1818: #
1819: # end each student with a
1820: # Special that allows the post processor to even out the page
1821: # counts later. Nasty problem this... it would be really
1822: # nice to put the special in as a postscript comment
1823: # e.g. \special{ps:\ENDOFSTUDENTSTAMP} unfortunately,
1824: # The special gets passed the \ and dvips puts it in the output file
1825: # so we will just rely on prntout.pl to strip ENDOFSTUDENTSTAMP from the
1826: # postscript. Each ENDOFSTUDENTSTAMP will go on a line by itself.
1827: #
1828:
1829: foreach my $curresline (@{$master_seq}) {
1830: if (defined $page_breaks{$curresline}) {
1831: if($i != 0) {
1832: $current_output.= "\\newpage\n";
1833: }
1834: }
1835: $i++;
1836: if ( !($type eq 'problems' &&
1837: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1838: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1839: if (&Apache::lonnet::allowed('bre',$res_url)) {
1840: if ($res_url!~m|^ext/|
1841: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1842: $printed .= $curresline.':';
1843:
1844: &Apache::lonxml::remember_problem_counter();
1845:
1846: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1847:
1848: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1849: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1850: # Use a copy of the hash so we don't pervert it on future loop passes.
1851: my %answerenv = %{$moreenv};
1852: $answerenv{'answer_output_mode'}='tex';
1853: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1854:
1855: &Apache::lonxml::restore_problem_counter();
1856:
1857: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1858:
1859: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1860: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1861: } else {
1862:
1863:
1864: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1865: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1866: $body .=&path_to_problem($res_url,$LaTeXwidth);
1867: $body .='\vskip 1 mm '.$ansrendered;
1868: $body = &encapsulate_minipage($body);
1869: $rendered = $header.$body;
1870: }
1871: }
1872: if ($remove_latex_header eq 'YES') {
1873: $rendered = &latex_header_footer_remove($rendered);
1874: } else {
1875: $rendered =~ s/\\end{document}//;
1876: }
1877: $current_output .= $rendered;
1878: } elsif ($res_url=~/\/(smppg|grppg|syllabus|aboutme|bulletinboard)$/) {
1879: $printed .= $curresline.':';
1880: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1881:
1882: if ($remove_latex_header eq 'YES') {
1883: $rendered = &latex_header_footer_remove($rendered);
1884: } else {
1885: $rendered =~ s/\\end{document}//;
1886: }
1887: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1888:
1889: } else {
1890: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1891: if ($remove_latex_header ne 'NO') {
1892: $rendered = &latex_header_footer_remove($rendered);
1893: } else {
1894: $rendered =~ s/\\end{document}//;
1895: }
1896: $current_output .= $rendered;
1897: }
1898: }
1899: $remove_latex_header = 'YES';
1900: }
1901: if (&Apache::loncommon::connection_aborted($r)) { last; }
1902: }
1903: my $courseidinfo = &get_course();
1904: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1905: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1906: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1907: if ($current_output=~/\\documentclass/) {
1908: if ($columns_in_format == 1) {
1909: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1910: } else {
1911: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fancyhead[LO]{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1912:
1913: }
1914: } else {
1915: my $blankpages = '';
1916: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1917: if ($columns_in_format == 1) {
1918: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1919: } else {
1920: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1921: }
1922: }
1923: #
1924: # Close the student bracketing.
1925: #
1926: $current_output .= "\n\\special{ps:ENDOFSTUDENTSTAMP}\n";
1927: return ($current_output,$fullname, $printed);
1928:
1929: }
1930:
1931: sub handler {
1932:
1933: my $r = shift;
1934:
1935: &init_perm();
1936:
1937:
1938:
1939: my $helper = printHelper($r);
1940: if (!ref($helper)) {
1941: return $helper;
1942: }
1943:
1944:
1945: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1946:
1947:
1948:
1949:
1950: # If a figure conversion queue file exists for this user.domain
1951: # we delete it since it can only be bad (if it were good, printout.pl
1952: # would have deleted it the last time around.
1953:
1954: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1955: if(-e $conversion_queuefile) {
1956: unlink $conversion_queuefile;
1957: }
1958: &output_data($r,$helper,\%parmhash);
1959: return OK;
1960: }
1961:
1962: use Apache::lonhelper;
1963:
1964: sub addMessage {
1965: my $text = shift;
1966: my $paramHash = Apache::lonhelper::getParamHash();
1967: $paramHash->{MESSAGE_TEXT} = $text;
1968: Apache::lonhelper::message->new();
1969: }
1970:
1971:
1972:
1973: sub init_perm {
1974: undef(%perm);
1975: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1976: if (!$perm{'pav'}) {
1977: $perm{'pav'}=&Apache::lonnet::allowed('pav',
1978: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1979: }
1980: $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1981: if (!$perm{'pfo'}) {
1982: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
1983: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1984: }
1985: }
1986:
1987: sub printHelper {
1988: my $r = shift;
1989:
1990: if ($r->header_only) {
1991: if ($env{'browser.mathml'}) {
1992: &Apache::loncommon::content_type($r,'text/xml');
1993: } else {
1994: &Apache::loncommon::content_type($r,'text/html');
1995: }
1996: $r->send_http_header;
1997: return OK;
1998: }
1999:
2000: # Send header, nocache
2001: if ($env{'browser.mathml'}) {
2002: &Apache::loncommon::content_type($r,'text/xml');
2003: } else {
2004: &Apache::loncommon::content_type($r,'text/html');
2005: }
2006: &Apache::loncommon::no_cache($r);
2007: $r->send_http_header;
2008: $r->rflush();
2009:
2010: # Unfortunately, this helper is so complicated we have to
2011: # write it by hand
2012:
2013: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
2014:
2015: my $helper = Apache::lonhelper::helper->new("Printing Helper");
2016: $helper->declareVar('symb');
2017: $helper->declareVar('postdata');
2018: $helper->declareVar('curseed');
2019: $helper->declareVar('probstatus');
2020: $helper->declareVar('filename');
2021: $helper->declareVar('construction');
2022: $helper->declareVar('assignment');
2023: $helper->declareVar('style_file');
2024: $helper->declareVar('student_sort');
2025: $helper->declareVar('FINISHPAGE');
2026: $helper->declareVar('PRINT_TYPE');
2027: $helper->declareVar("showallfoils");
2028:
2029: # The page breaks can get loaded initially from the course environment:
2030: # But we only do this in the initial state so that they are allowed to change.
2031: #
2032:
2033: # $helper->{VARS}->{FINISHPAGE} = '';
2034:
2035: &Apache::loncommon::restore_course_settings('print',
2036: {'pagebreaks' => 'scalar',
2037: 'lastprinttype' => 'scalar'});
2038:
2039:
2040: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
2041: if (!defined ($env{"form.CURRENT_STATE"})) {
2042:
2043: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2044: } else {
2045: my $state = $env{"form.CURRENT_STATE"};
2046: if ($state eq "START") {
2047: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2048: }
2049: }
2050:
2051: }
2052:
2053:
2054: # This will persistently load in the data we want from the
2055: # very first screen.
2056: # Detect whether we're coming from construction space
2057: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
2058: $helper->{VARS}->{'filename'} = "~$1/$2";
2059: $helper->{VARS}->{'construction'} = 1;
2060: } else {
2061: if ($env{'form.postdata'}) {
2062: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
2063: }
2064: if ($env{'form.symb'}) {
2065: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2066: }
2067: if ($env{'form.url'}) {
2068: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2069: }
2070:
2071: }
2072:
2073: if ($env{'form.symb'}) {
2074: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2075: }
2076: if ($env{'form.url'}) {
2077: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2078:
2079: }
2080: $helper->{VARS}->{'symb'}=
2081: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
2082: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
2083: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
2084:
2085:
2086: # Extract map
2087: my $symb = $helper->{VARS}->{'symb'};
2088: my ($map, $id, $url);
2089: my $subdir;
2090:
2091: # Get the resource name from construction space
2092: if ($helper->{VARS}->{'construction'}) {
2093: $resourceTitle = substr($helper->{VARS}->{'filename'},
2094: rindex($helper->{VARS}->{'filename'}, '/')+1);
2095: $subdir = substr($helper->{VARS}->{'filename'},
2096: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
2097: } else {
2098: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
2099: $helper->{VARS}->{'postdata'} =
2100: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
2101:
2102: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
2103: my $postdata = $helper->{VARS}->{'postdata'};
2104: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
2105: }
2106: $subdir = &Apache::lonnet::filelocation("", $url);
2107: }
2108: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2109: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2110: }
2111: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2112: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2113: }
2114:
2115: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2116:
2117: Apache::lonhelper::registerHelperTags();
2118:
2119: # "Delete everything after the last slash."
2120: $subdir =~ s|/[^/]+$||;
2121: if (not $helper->{VARS}->{'construction'}) {
2122: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
2123: }
2124: # "Remove all duplicate slashes."
2125: $subdir =~ s|/+|/|g;
2126:
2127: # What can be printed is a very dynamic decision based on
2128: # lots of factors. So we need to dynamically build this list.
2129: # To prevent security leaks, states are only added to the wizard
2130: # if they can be reached, which ensures manipulating the form input
2131: # won't allow anyone to reach states they shouldn't have permission
2132: # to reach.
2133:
2134: # printChoices is tracking the kind of printing the user can
2135: # do, and will be used in a choices construction later.
2136: # In the meantime we will be adding states and elements to
2137: # the helper by hand.
2138: my $printChoices = [];
2139: my $paramHash;
2140:
2141: if ($resourceTitle) {
2142: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2143: }
2144:
2145: # Useful filter strings
2146: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2147: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2148: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2149: my $isNotMap = '!$res->is_sequence()';
2150: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2151: my $isMap = '$res->is_map()';
2152: my $symbFilter = '$res->shown_symb()';
2153: my $urlValue = '$res->link()';
2154:
2155: $helper->declareVar('SEQUENCE');
2156:
2157:
2158:
2159: # If we're in a sequence...
2160: if (($helper->{'VARS'}->{'construction'} ne '1') &&
2161:
2162: $helper->{VARS}->{'postdata'} &&
2163: $helper->{VARS}->{'assignment'}) {
2164: # Allow problems from sequence
2165: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
2166: # Allow all resources from sequence
2167: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2168:
2169: my $helperFragment = <<HELPERFRAGMENT;
2170: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2171: <message>(mark them then click "next" button) <br /></message>
2172: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2173: closeallpages="1">
2174: <nextstate>PAGESIZE</nextstate>
2175: <filterfunc>return $isProblem;</filterfunc>
2176: <mapurl>$map</mapurl>
2177: <valuefunc>return $symbFilter;</valuefunc>
2178: <option text='Newpage' variable='FINISHPAGE' />
2179: </resource>
2180: </state>
2181:
2182: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2183: <message>(mark them then click "next" button) <br /></message>
2184: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2185: closeallpages="1">
2186: <nextstate>PAGESIZE</nextstate>
2187: <filterfunc>return $isNotMap;</filterfunc>
2188: <mapurl>$map</mapurl>
2189: <valuefunc>return $symbFilter;</valuefunc>
2190: <option text='Newpage' variable='FINISHPAGE' />
2191: </resource>
2192: </state>
2193: HELPERFRAGMENT
2194:
2195: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2196: }
2197:
2198: # If the user has pfo (print for otheres) allow them to print all
2199: # problems and resources in the entier course, optionally for selected students
2200: if ($perm{'pfo'} &&
2201: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|grppg|aboutme|bulletinboard)$/)) {
2202:
2203: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2204: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2205: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2206: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2207: <message>(mark them then click "next" button) <br /></message>
2208: <resource variable="RESOURCES" toponly='0' multichoice="1"
2209: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2210: <nextstate>PAGESIZE</nextstate>
2211: <filterfunc>return $isProblemOrMap;</filterfunc>
2212: <choicefunc>return $isNotMap;</choicefunc>
2213: <valuefunc>return $symbFilter;</valuefunc>
2214: <option text='Newpage' variable='FINISHPAGE' />
2215: </resource>
2216: </state>
2217: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2218: <message>(Mark them then click "next" button) <br /> </message>
2219: <resource variable="RESOURCES" toponly='0' multichoice='1'
2220: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2221: <nextstate>PAGESIZE</nextstate>
2222: <filterfunc>return $isNotMap; </filterfunc>
2223: <valuefunc>return $symbFilter;</valuefunc>
2224: <option text='NewPage' variable='FINISHPAGE' />
2225: </resource>
2226: </state>
2227: ALL_PROBLEMS
2228:
2229: if ($helper->{VARS}->{'assignment'}) {
2230: 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'];
2231: 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'];
2232: }
2233:
2234: # resource_selector will hold a few states that:
2235: # - Allow resources to be selected for printing.
2236: # - Determine pagination between assignments.
2237: # - Determine how many assignments should be bundled into a single PDF.
2238: # TODO:
2239: # Probably good to do things like separate this up into several vars, each
2240: # with one state, and use REGEXPs at inclusion time to set state names
2241: # and next states for better mix and match capability
2242: #
2243: my $resource_selector=<<RESOURCE_SELECTOR;
2244: <state name="SELECT_PROBLEMS" title="Select resources to print">
2245: <nextstate>PRINT_FORMATTING</nextstate>
2246: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2247: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2248: closeallpages="1">
2249: <filterfunc>return $isProblem;</filterfunc>
2250: <mapurl>$map</mapurl>
2251: <valuefunc>return $symbFilter;</valuefunc>
2252: <option text='New Page' variable='FINISHPAGE' />
2253: </resource>
2254: </state>
2255: <state name="PRINT_FORMATTING" title="How should results be printed?">
2256: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2257: <choices variable="EMPTY_PAGES">
2258: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2259: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2260: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2261: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2262: </choices>
2263: <nextstate>PAGESIZE</nextstate>
2264: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2265: <choices variable="SPLIT_PDFS">
2266: <choice computer="all">All assignments in a single PDF file</choice>
2267: <choice computer="sections">Each PDF contains exactly one section</choice>
2268: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2269: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2270: Specify the number of assignments per PDF:</choice>
2271: </choices>
2272: </state>
2273: RESOURCE_SELECTOR
2274:
2275: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2276: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2277: <message><b>Select sort order</b> </message>
2278: <choices variable='student_sort'>
2279: <choice computer='0'>Sort by section then student</choice>
2280: <choice computer='1'>Sort by students across sections.</choice>
2281: </choices>
2282: <message><br /><hr /><br /> </message>
2283: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
2284: </state>
2285: $resource_selector
2286: CHOOSE_STUDENTS
2287:
2288: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2289: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2290: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2291: my $namechoice='<choice></choice>';
2292: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2293: if ($name =~ /^error: 2 /) { next; }
2294: if ($name =~ /^type\0/) { next; }
2295: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2296: }
2297:
2298:
2299: my %code_values;
2300: my %codes_to_print;
2301: foreach my $key (@names) {
2302: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2303: foreach my $key (keys(%code_values)) {
2304: $codes_to_print{$key} = 1;
2305: }
2306: }
2307:
2308: my $code_selection;
2309: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
2310: my $choice = $code;
2311: if ($code =~ /^[A-Z]+$/) { # Alpha code
2312: $choice = &letters_to_num($code);
2313: }
2314: push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
2315: }
2316: if (%codes_to_print) {
2317: $code_selection .='
2318: <message><b>Choose single code from list</b></message>
2319: <message></td><td></message>
2320: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2321: <choice></choice>
2322: <exec>
2323: push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
2324: </exec>
2325: </dropdown>
2326: <message></td></tr><tr><td colspan="2"><hr width=\'33%\' /></td></tr><tr><td></message>
2327: '.$/;
2328:
2329: }
2330:
2331:
2332: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2333: my $codechoice='';
2334: foreach my $line (<FH>) {
2335: my ($name,$description,$code_type,$code_length)=
2336: (split(/:/,$line))[0,1,2,4];
2337: if ($code_length > 0 &&
2338: $code_type =~/^(letter|number|-1)/) {
2339: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2340: }
2341: }
2342: if ($codechoice eq '') {
2343: $codechoice='<choice computer="default">Default</choice>';
2344: }
2345: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2346: <state name="CHOOSE_ANON1" title="Select Students and Resources">
2347: <nextstate>SELECT_PROBLEMS</nextstate>
2348: <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
2349: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2350: <validator>
2351: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2352: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2353: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2354: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2355: return "You need to specify the number of assignments to print";
2356: }
2357: return undef;
2358: </validator>
2359: </string>
2360: <message></td></tr><tr><td></message>
2361: <message><b>Names to store the CODEs under for later:</b></message>
2362: <message></td><td></message>
2363: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2364: <message></td></tr><tr><td></message>
2365: <message><b>Bubble sheet type:</b></message>
2366: <message></td><td></message>
2367: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2368: $codechoice
2369: </dropdown>
2370: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2371: <message></td></tr><tr><td></message>
2372: <message><b>Enter a CODE to print:</b></td><td></message>
2373: <string variable="SINGLE_CODE" size="10">
2374: <validator>
2375: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2376: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2377: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2378: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2379: \$helper->{'VARS'}{'CODE_OPTION'});
2380: } else {
2381: return undef; # Other forces control us.
2382: }
2383: </validator>
2384: </string>
2385: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2386: $code_selection
2387:
2388:
2389: <message><b>Reprint a set of saved CODEs:</b></message>
2390: <message></td><td></message>
2391: <dropdown variable="REUSE_OLD_CODES">
2392: $namechoice
2393: </dropdown>
2394: <message></td></tr></table></message>
2395: <message><hr width='33%' /></message>
2396: </state>
2397: $resource_selector
2398: CHOOSE_ANON1
2399:
2400:
2401: if ($helper->{VARS}->{'assignment'}) {
2402: 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'];
2403: 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'];
2404: }
2405:
2406:
2407: $resource_selector=<<RESOURCE_SELECTOR;
2408: <state name="SELECT_RESOURCES" title="Select Resources">
2409: <nextstate>PRINT_FORMATTING</nextstate>
2410: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2411: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2412: closeallpages="1">
2413: <filterfunc>return $isNotMap;</filterfunc>
2414: <mapurl>$map</mapurl>
2415: <valuefunc>return $symbFilter;</valuefunc>
2416: <option text='Newpage' variable='FINISHPAGE' />
2417: </resource>
2418: </state>
2419: <state name="PRINT_FORMATTING" title="Format of the print job">
2420: <nextstate>NUMBER_PER_PDF</nextstate>
2421: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2422: <choices variable="EMPTY_PAGES">
2423: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2424: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2425: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2426: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2427: </choices>
2428: <nextstate>PAGESIZE</nextstate>
2429: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2430: <choices variable="SPLIT_PDFS">
2431: <choice computer="all">All assignments in a single PDF file</choice>
2432: <choice computer="sections">Each PDF contains exactly one section</choice>
2433: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2434: <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
2435: Specify the number of assignments per PDF:</choice>
2436: </choices>
2437: </state>
2438: RESOURCE_SELECTOR
2439:
2440: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2441: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2442: <choices variable='student_sort'>
2443: <choice computer='0'>Sort by section then student</choice>
2444: <choice computer='1'>Sort by students across sections.</choice>
2445: </choices>
2446: <message><br /><hr /><br /></message>
2447: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
2448:
2449: </state>
2450: $resource_selector
2451: CHOOSE_STUDENTS1
2452:
2453: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2454: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2455: <nextstate>SELECT_RESOURCES</nextstate>
2456: <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
2457: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2458: <validator>
2459: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2460: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2461: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2462: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2463: return "You need to specify the number of assignments to print";
2464: }
2465: return undef;
2466: </validator>
2467: </string>
2468: <message></td></tr><tr><td></message>
2469: <message><b>Names to store the CODEs under for later:</b></message>
2470: <message></td><td></message>
2471: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2472: <message></td></tr><tr><td></message>
2473: <message><b>Bubble sheet type:</b></message>
2474: <message></td><td></message>
2475: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2476: $codechoice
2477: </dropdown>
2478: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2479: <message></td></tr><tr><td></message>
2480: <message><b>Enter a CODE to print:</b></td><td></message>
2481: <string variable="SINGLE_CODE" size="10">
2482: <validator>
2483: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2484: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2485: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2486: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2487: \$helper->{'VARS'}{'CODE_OPTION'});
2488: } else {
2489: return undef; # Other forces control us.
2490: }
2491: </validator>
2492: </string>
2493: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2494: $code_selection
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:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonprintout.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface