1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.431 2006/03/15 22:11:04 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:
46: my %perm;
47:
48: #
49: # Convert a numeric code to letters
50: #
51: sub num_to_letters {
52: my ($num) = @_;
53: my @nums= split('',$num);
54: my @num_to_let=('A'..'Z');
55: my $word;
56: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
57: return $word;
58: }
59: # Convert a letter code to numeric.
60: #
61: sub letters_to_num {
62: my ($letters) = @_;
63: my @letters = split('', uc($letters));
64: my %substitution;
65: my $digit = 0;
66: foreach my $letter ('A'..'J') {
67: $substitution{$letter} = $digit;
68: $digit++;
69: }
70: # The substitution is done as below to preserve leading
71: # zeroes which are needed to keep the code size exact
72: #
73: my $result ="";
74: foreach my $letter (@letters) {
75: $result.=$substitution{$letter};
76: }
77: return $result;
78: }
79:
80: # Determine if a code is a valid numeric code. Valid
81: # numeric codes must be comprised entirely of digits and
82: # have a correct number of digits.
83: #
84: # Parameters:
85: # value - proposed code value.
86: # num_digits - Number of digits required.
87: #
88: sub is_valid_numeric_code {
89: my ($value, $num_digits) = @_;
90: # Remove leading/trailing whitespace;
91: $value =~ s/^\s*//g;
92: $value =~ s/\s*$//g;
93:
94: # All digits?
95: if ($value !~ /^[0-9]+$/) {
96: return "Numeric code $value has invalid characters - must only be digits";
97: }
98: if (length($value) != $num_digits) {
99: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
100: }
101: return undef;
102: }
103: # Determines if a code is a valid alhpa code. Alpha codes
104: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
105: # They also have a correct digit count.
106: # Parameters:
107: # value - Proposed code value.
108: # num_letters - correct number of letters.
109: # Note:
110: # leading and trailing whitespace are ignored.
111: #
112: sub is_valid_alpha_code {
113: my ($value, $num_letters) = @_;
114:
115: # strip leading and trailing spaces.
116:
117: $value =~ s/^\s*//g;
118: $value =~ s/\s*$//g;
119:
120: # All alphas in the right range?
121: if ($value !~ /^[A-J,a-j]+$/) {
122: return "Invalid letter code $value must only contain A-J";
123: }
124: if (length($value) != $num_letters) {
125: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
126: }
127: return undef;
128: }
129:
130: # Determine if a code entered by the user in a helper is valid.
131: # valid depends on the code type and the type of code selected.
132: # The type of code selected can either be numeric or
133: # Alphabetic. If alphabetic, the code, in fact is a simple
134: # substitution cipher for the actual numeric code: 0->A, 1->B ...
135: # We'll be nice and be case insensitive for alpha codes.
136: # Parameters:
137: # code_value - the value of the code the user typed in.
138: # code_option - The code type selected from the set in the scantron format
139: # table.
140: # Returns:
141: # undef - The code is valid.
142: # other - An error message indicating what's wrong.
143: #
144: sub is_code_valid {
145: my ($code_value, $code_option) = @_;
146: my ($code_type, $code_length) = ('letter', 6); # defaults.
147: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
148: foreach my $line (<FG>) {
149: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
150: if($name eq $code_option) {
151: $code_length = $length;
152: if($type eq 'number') {
153: $code_type = 'number';
154: }
155: }
156: }
157: my $valid;
158: if ($code_type eq 'number') {
159: return &is_valid_numeric_code($code_value, $code_length);
160: } else {
161: return &is_valid_alpha_code($code_value, $code_length);
162: }
163:
164: }
165:
166: # Compare two students by name. The students are in the form
167: # returned by the helper:
168: # user:domain:section:last, first:status
169: # This is a helper function for the perl sort built-in therefore:
170: # Implicit Inputs:
171: # $a - The first element to compare (global)
172: # $b - The second element to compare (global)
173: # Returns:
174: # -1 - $a < $b
175: # 0 - $a == $b
176: # +1 - $a > $b
177: # Note that the initial comparison is done on the last names with the
178: # first names only used to break the tie.
179: #
180: #
181: sub compare_names {
182: # First split the names up into the primary fields.
183:
184: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
185: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
186:
187: # Now split the last name and first name of each n:
188: #
189:
190: my ($l1,$f1) = split(/,/, $n1);
191: my ($l2,$f2) = split(/,/, $n2);
192:
193: # We don't bother to remove the leading/trailing whitespace from the
194: # firstname, unless the last names compare identical.
195:
196: if($l1 lt $l2) {
197: return -1;
198: }
199: if($l1 gt $l2) {
200: return 1;
201: }
202:
203: # Break the tie on the first name, but there are leading (possibly trailing
204: # whitespaces to get rid of first
205: #
206: $f1 =~ s/^\s+//; # Remove leading...
207: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
208:
209: $f2 =~ s/^\s+//;
210: $f2 =~ s/\s+$//; # And the same for first 2...
211:
212: if($f1 lt $f2) {
213: return -1;
214: }
215: if($f1 gt $f2) {
216: return 1;
217: }
218:
219: # Must be the same name.
220:
221: return 0;
222: }
223:
224: sub latex_header_footer_remove {
225: my $text = shift;
226: $text =~ s/\\end{document}//;
227: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
228: return $text;
229: }
230: #
231: # If necessary, encapsulate text inside
232: # a minipage env.
233: # necessity is determined by the problem_split param.
234: #
235: sub encapsulate_minipage {
236: my ($text) = @_;
237: if (!($env{'form.problem.split'} =~ /yes/i)) {
238: $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
239: }
240: return $text;
241: }
242: #
243: # The NUMBER_TO_PRINT and SPLIT_PDFS
244: # variables interact, this sub looks at these two parameters
245: # and comes up with a final value for NUMBER_TO_PRINT which can be:
246: # all - if SPLIT_PDFS eq 'all'.
247: # 1 - if SPLIT_PDFS eq 'oneper'
248: # section - if SPLIT_PDFS eq 'sections'
249: # <unchanged> - if SPLIT_PDFS eq 'usenumber'
250: #
251: sub adjust_number_to_print {
252: my $helper = shift;
253:
254: my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
255:
256: if ($split_pdf eq 'all') {
257: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
258: } elsif ($split_pdf eq 'oneper') {
259: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
260: } elsif ($split_pdf eq 'sections') {
261: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
262: } elsif ($split_pdf eq 'usenumber') {
263: # Unmodified.
264: } else {
265: # Error!!!!
266:
267: croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
268: }
269: }
270:
271: sub character_chart {
272: my $result = shift;
273: $result =~ s/&\#0?0?(7|9);//g;
274: $result =~ s/&\#0?(10|13);//g;
275: $result =~ s/&\#0?32;/ /g;
276: $result =~ s/&\#0?33;/!/g;
277: $result =~ s/&(\#0?34|quot);/\"/g;
278: $result =~ s/&\#0?35;/\\\#/g;
279: $result =~ s/&\#0?36;/\\\$/g;
280: $result =~ s/&\#0?37;/\\%/g;
281: $result =~ s/&(\#0?38|amp);/\\&/g;
282: $result =~ s/&\#(0?39|146);/\'/g;
283: $result =~ s/&\#0?40;/(/g;
284: $result =~ s/&\#0?41;/)/g;
285: $result =~ s/&\#0?42;/\*/g;
286: $result =~ s/&\#0?43;/\+/g;
287: $result =~ s/&\#(0?44|130);/,/g;
288: $result =~ s/&\#0?45;/-/g;
289: $result =~ s/&\#0?46;/\./g;
290: $result =~ s/&\#0?47;/\//g;
291: $result =~ s/&\#0?48;/0/g;
292: $result =~ s/&\#0?49;/1/g;
293: $result =~ s/&\#0?50;/2/g;
294: $result =~ s/&\#0?51;/3/g;
295: $result =~ s/&\#0?52;/4/g;
296: $result =~ s/&\#0?53;/5/g;
297: $result =~ s/&\#0?54;/6/g;
298: $result =~ s/&\#0?55;/7/g;
299: $result =~ s/&\#0?56;/8/g;
300: $result =~ s/&\#0?57;/9/g;
301: $result =~ s/&\#0?58;/:/g;
302: $result =~ s/&\#0?59;/;/g;
303: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
304: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
305: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
306: $result =~ s/&\#0?63;/\?/g;
307: $result =~ s/&\#0?65;/A/g;
308: $result =~ s/&\#0?66;/B/g;
309: $result =~ s/&\#0?67;/C/g;
310: $result =~ s/&\#0?68;/D/g;
311: $result =~ s/&\#0?69;/E/g;
312: $result =~ s/&\#0?70;/F/g;
313: $result =~ s/&\#0?71;/G/g;
314: $result =~ s/&\#0?72;/H/g;
315: $result =~ s/&\#0?73;/I/g;
316: $result =~ s/&\#0?74;/J/g;
317: $result =~ s/&\#0?75;/K/g;
318: $result =~ s/&\#0?76;/L/g;
319: $result =~ s/&\#0?77;/M/g;
320: $result =~ s/&\#0?78;/N/g;
321: $result =~ s/&\#0?79;/O/g;
322: $result =~ s/&\#0?80;/P/g;
323: $result =~ s/&\#0?81;/Q/g;
324: $result =~ s/&\#0?82;/R/g;
325: $result =~ s/&\#0?83;/S/g;
326: $result =~ s/&\#0?84;/T/g;
327: $result =~ s/&\#0?85;/U/g;
328: $result =~ s/&\#0?86;/V/g;
329: $result =~ s/&\#0?87;/W/g;
330: $result =~ s/&\#0?88;/X/g;
331: $result =~ s/&\#0?89;/Y/g;
332: $result =~ s/&\#0?90;/Z/g;
333: $result =~ s/&\#0?91;/[/g;
334: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
335: $result =~ s/&\#0?93;/]/g;
336: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
337: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
338: $result =~ s/&\#(0?96|145);/\`/g;
339: $result =~ s/&\#0?97;/a/g;
340: $result =~ s/&\#0?98;/b/g;
341: $result =~ s/&\#0?99;/c/g;
342: $result =~ s/&\#100;/d/g;
343: $result =~ s/&\#101;/e/g;
344: $result =~ s/&\#102;/f/g;
345: $result =~ s/&\#103;/g/g;
346: $result =~ s/&\#104;/h/g;
347: $result =~ s/&\#105;/i/g;
348: $result =~ s/&\#106;/j/g;
349: $result =~ s/&\#107;/k/g;
350: $result =~ s/&\#108;/l/g;
351: $result =~ s/&\#109;/m/g;
352: $result =~ s/&\#110;/n/g;
353: $result =~ s/&\#111;/o/g;
354: $result =~ s/&\#112;/p/g;
355: $result =~ s/&\#113;/q/g;
356: $result =~ s/&\#114;/r/g;
357: $result =~ s/&\#115;/s/g;
358: $result =~ s/&\#116;/t/g;
359: $result =~ s/&\#117;/u/g;
360: $result =~ s/&\#118;/v/g;
361: $result =~ s/&\#119;/w/g;
362: $result =~ s/&\#120;/x/g;
363: $result =~ s/&\#121;/y/g;
364: $result =~ s/&\#122;/z/g;
365: $result =~ s/&\#123;/\\{/g;
366: $result =~ s/&\#124;/\|/g;
367: $result =~ s/&\#125;/\\}/g;
368: $result =~ s/&\#126;/\~/g;
369: $result =~ s/&\#131;/\\textflorin /g;
370: $result =~ s/&\#132;/\"/g;
371: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
372: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
373: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
374: $result =~ s/&\#137;/\\textperthousand /g;
375: $result =~ s/&\#140;/{\\OE}/g;
376: $result =~ s/&\#147;/\`\`/g;
377: $result =~ s/&\#148;/\'\'/g;
378: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
379: $result =~ s/&\#150;/--/g;
380: $result =~ s/&\#151;/---/g;
381: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
382: $result =~ s/&\#153;/\\texttrademark /g;
383: $result =~ s/&\#156;/\\oe/g;
384: $result =~ s/&\#159;/\\\"Y/g;
385: $result =~ s/&(\#160|nbsp);/~/g;
386: $result =~ s/&(\#161|iexcl);/!\`/g;
387: $result =~ s/&(\#162|cent);/\\textcent /g;
388: $result =~ s/&(\#163|pound);/\\pounds /g;
389: $result =~ s/&(\#164|curren);/\\textcurrency /g;
390: $result =~ s/&(\#165|yen);/\\textyen /g;
391: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
392: $result =~ s/&(\#167|sect);/\\textsection /g;
393: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
394: $result =~ s/&(\#169|copy);/\\copyright /g;
395: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
396: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
397: $result =~ s/&(\#173|shy);/ - /g;
398: $result =~ s/&(\#174|reg);/\\textregistered /g;
399: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
400: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
401: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
402: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
403: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
404: $result =~ s/&(\#180|acute);/\\textacute /g;
405: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
406: $result =~ s/&(\#182|para);/\\P/g;
407: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
408: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
409: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
410: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
411: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
412: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
413: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
414: $result =~ s/&(\#191|iquest);/?\`/g;
415: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
416: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
417: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
418: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
419: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
420: $result =~ s/&(\#197|Aring);/{\\AA}/g;
421: $result =~ s/&(\#198|AElig);/{\\AE}/g;
422: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
423: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
424: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
425: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
426: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
427: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
428: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
429: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
430: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
431: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
432: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
433: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
434: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
435: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
436: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
437: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
438: $result =~ s/&(\#216|Oslash);/{\\O}/g;
439: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
440: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
441: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
442: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
443: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
444: $result =~ s/&(\#223|szlig);/{\\ss}/g;
445: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
446: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
447: $result =~ s/&(\#226|acirc);/\\^{a}/g;
448: $result =~ s/&(\#227|atilde);/\\~{a}/g;
449: $result =~ s/&(\#228|auml);/\\\"{a}/g;
450: $result =~ s/&(\#229|aring);/{\\aa}/g;
451: $result =~ s/&(\#230|aelig);/{\\ae}/g;
452: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
453: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
454: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
455: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
456: $result =~ s/&(\#235|euml);/\\\"{e}/g;
457: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
458: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
459: $result =~ s/&(\#238|icirc);/\\^{i}/g;
460: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
461: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
462: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
463: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
464: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
465: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
466: $result =~ s/&(\#245|otilde);/\\~{o}/g;
467: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
468: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
469: $result =~ s/&(\#248|oslash);/{\\o}/g;
470: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
471: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
472: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
473: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
474: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
475: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
476: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
477: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
478: #Greek Alphabet
479: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
480: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
481: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
482: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
483: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
484: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
485: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
486: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
487: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
488: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
489: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
490: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
491: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
492: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
493: $result =~ s/&(omicron|\#959);/o/g;
494: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
495: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
496: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
497: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
498: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
499: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
500: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
501: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
502: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
503: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
504: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
505: $result =~ s/&(Alpha|\#913);/A/g;
506: $result =~ s/&(Beta|\#914);/B/g;
507: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
508: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
509: $result =~ s/&(Epsilon|\#917);/E/g;
510: $result =~ s/&(Zeta|\#918);/Z/g;
511: $result =~ s/&(Eta|\#919);/H/g;
512: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
513: $result =~ s/&(Iota|\#921);/I/g;
514: $result =~ s/&(Kappa|\#922);/K/g;
515: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
516: $result =~ s/&(Mu|\#924);/M/g;
517: $result =~ s/&(Nu|\#925);/N/g;
518: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
519: $result =~ s/&(Omicron|\#927);/O/g;
520: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
521: $result =~ s/&(Rho|\#929);/P/g;
522: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
523: $result =~ s/&(Tau|\#932);/T/g;
524: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
525: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
526: $result =~ s/&(Chi|\#935);/X/g;
527: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
528: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
529: #Arrows (extended HTML 4.01)
530: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
531: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
532: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
533: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
534: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
535: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
536: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
537: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
538: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
539: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
540: #Mathematical Operators (extended HTML 4.01)
541: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
542: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
543: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
544: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
545: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
546: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
547: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
548: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
549: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
550: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
551: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
552: $result =~ s/–/\\ensuremath\{-\}/g;
553: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
554: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
555: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
556: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
557: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
558: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
559: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
560: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
561: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
562: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
563: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
564: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
565: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
566: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
567: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
568: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
569: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
570: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
571: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
572: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
573: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
574: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
575: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
576: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
577: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
578: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
579: #Geometric Shapes (extended HTML 4.01)
580: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
581: #Miscellaneous Symbols (extended HTML 4.01)
582: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
583: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
584: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
585: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
586: return $result;
587: }
588:
589:
590: #width, height, oddsidemargin, evensidemargin, topmargin
591: my %page_formats=
592: ('letter' => {
593: 'book' => {
594: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
595: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
596: },
597: 'album' => {
598: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'],
599: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
600: },
601: },
602: 'legal' => {
603: 'book' => {
604: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
605: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
606: },
607: 'album' => {
608: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
609: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
610: },
611: },
612: 'tabloid' => {
613: 'book' => {
614: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
615: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
616: },
617: 'album' => {
618: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
619: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
620: },
621: },
622: 'executive' => {
623: 'book' => {
624: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
625: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
626: },
627: 'album' => {
628: '1' => [],
629: '2' => []
630: },
631: },
632: 'a2' => {
633: 'book' => {
634: '1' => [],
635: '2' => []
636: },
637: 'album' => {
638: '1' => [],
639: '2' => []
640: },
641: },
642: 'a3' => {
643: 'book' => {
644: '1' => [],
645: '2' => []
646: },
647: 'album' => {
648: '1' => [],
649: '2' => []
650: },
651: },
652: 'a4' => {
653: 'book' => {
654: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
655: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
656: },
657: 'album' => {
658: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
659: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
660: },
661: },
662: 'a5' => {
663: 'book' => {
664: '1' => [],
665: '2' => []
666: },
667: 'album' => {
668: '1' => [],
669: '2' => []
670: },
671: },
672: 'a6' => {
673: 'book' => {
674: '1' => [],
675: '2' => []
676: },
677: 'album' => {
678: '1' => [],
679: '2' => []
680: },
681: },
682: );
683:
684: sub page_format {
685: #
686: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
687: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
688: # "A2 [420x594 mm]", "A3 [297x420 mm]",
689: # "A4 [210x297 mm]", "A5 [148x210 mm]",
690: # "A6 [105x148 mm]"
691: #
692: my ($papersize,$layout,$numberofcolumns) = @_;
693: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
694: }
695:
696:
697: sub get_name {
698: my ($uname,$udom)=@_;
699: if (!defined($uname)) { $uname=$env{'user.name'}; }
700: if (!defined($udom)) { $udom=$env{'user.domain'}; }
701: my $plainname=&Apache::loncommon::plainname($uname,$udom);
702: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
703: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
704: return $plainname;
705: }
706:
707: sub get_course {
708: my $courseidinfo;
709: if (defined($env{'request.course.id'})) {
710: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
711: }
712: return $courseidinfo;
713: }
714:
715: sub page_format_transformation {
716: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
717: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
718: if ($selectionmade eq '4') {
719: $assignment='Problems from the Whole Course';
720: } else {
721: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
722: }
723: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
724: my $name = &get_name();
725: my $courseidinfo = &get_course();
726: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
727: my $topmargintoinsert = '';
728: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
729: my $fancypagestatement='';
730: if ($numberofcolumns eq '2') {
731: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
732: } else {
733: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
734: }
735: if ($layout eq 'album') {
736: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
737: } elsif ($layout eq 'book') {
738: if ($choice ne 'All class print') {
739: $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/;
740: } else {
741: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
742: }
743: if ($papersize eq 'a4') {
744: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
745: }
746: }
747: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
748: if ($indexlist eq 'yes') {
749: $text=~s/(\\begin{document})/\\makeindex $1/;
750: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
751: }
752: return $text;
753: }
754:
755:
756: sub page_cleanup {
757: my $result = shift;
758:
759: $result =~ m/\\end{document}(\d*)$/;
760: my $number_of_columns = $1;
761: my $insert = '{';
762: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
763: $insert .= '}';
764: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
765: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
766: return $result,$number_of_columns;
767: }
768:
769:
770: sub details_for_menu {
771: my ($helper)=@_;
772: my $postdata=$env{'form.postdata'};
773: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
774: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
775: my $symbolic = &Apache::lonnet::symbread($postdata);
776: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
777: $map=&Apache::lonnet::clutter($map);
778: my $name_of_sequence = &Apache::lonnet::gettitle($map);
779: if ($name_of_sequence =~ /^\s*$/) {
780: $map =~ m|([^/]+)$|;
781: $name_of_sequence = $1;
782: }
783: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
784: if ($name_of_map =~ /^\s*$/) {
785: $env{'request.course.uri'} =~ m|([^/]+)$|;
786: $name_of_map = $1;
787: }
788: return ($name_of_resource,$name_of_sequence,$name_of_map);
789: }
790:
791:
792: sub latex_corrections {
793: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
794: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
795: $result =~ s/\$number_of_columns/$number_of_columns/g;
796: if ($selectionmade eq '1' || $answer_mode eq 'only') {
797: $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/;
798: } else {
799: $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/;
800: }
801: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
802: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
803: #-- LaTeX corrections
804: my $first_comment = index($result,'<!--',0);
805: while ($first_comment != -1) {
806: my $end_comment = index($result,'-->',$first_comment);
807: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
808: $first_comment = index($result,'<!--',$first_comment);
809: }
810: $result =~ s/^\s+$//gm; #remove empty lines
811: #removes more than one empty space
812: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
813: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
814: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
815: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
816: $result =~ s/\\\\\s+\[/ \[/g;
817: #conversion of html characters to LaTeX equivalents
818: if ($result =~ m/&(\w+|#\d+);/) {
819: $result = &character_chart($result);
820: }
821: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
822: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
823: return $result;
824: }
825:
826:
827: sub index_table {
828: my $currentURL = shift;
829: my $insex_string='';
830: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
831: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
832: return $insex_string;
833: }
834:
835:
836: sub IndexCreation {
837: my ($texversion,$currentURL)=@_;
838: my @key_words=split(/,/,&index_table($currentURL));
839: my $chunk='';
840: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
841: if ($st>0) {
842: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
843: $chunk=substr($texversion,0,$st+1);
844: substr($texversion,0,$st+1)=' ';
845: }
846: foreach my $key_word (@key_words) {
847: if ($key_word=~/\S+/) {
848: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
849: }
850: }
851: if ($st>0) {substr($texversion,0,1)=$chunk;}
852: return $texversion;
853: }
854:
855: sub print_latex_header {
856: my $mode=shift;
857: my $output='\documentclass[letterpaper,twoside]{article}';
858: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
859: $output.='\batchmode';
860: }
861: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
862: '\usepackage{multirow}'."\n".
863: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
864: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
865: '\usepackage{wrapfig}'.
866: '\usepackage{picins}\usepackage{calc}'."\n".
867: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
868: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
869: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
870: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
871: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
872: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
873: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
874: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
875: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
876: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
877: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
878: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
879: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
880: return $output;
881: }
882:
883: sub path_to_problem {
884: my ($urlp,$colwidth)=@_;
885: $urlp=&Apache::lonnet::clutter($urlp);
886:
887: my $newurlp = '';
888: $colwidth=~s/\s*mm\s*$//;
889: #characters average about 2 mm in width
890: if (length($urlp)*2 > $colwidth) {
891: my @elements = split('/',$urlp);
892: my $curlength=0;
893: foreach my $element (@elements) {
894: if ($element eq '') { next; }
895: if ($curlength+(length($element)*2) > $colwidth) {
896: $newurlp .= '|\vskip -1 mm \verb|';
897: $curlength=length($element)*2;
898: } else {
899: $curlength+=length($element)*2;
900: }
901: $newurlp.='/'.$element;
902: }
903: } else {
904: $newurlp=$urlp;
905: }
906: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
907: }
908:
909: sub recalcto_mm {
910: my $textwidth=shift;
911: my $LaTeXwidth;
912: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
913: $LaTeXwidth = $1*10;
914: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
915: $LaTeXwidth = $1;
916: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
917: $LaTeXwidth = $1*25.4;
918: }
919: $LaTeXwidth.=' mm';
920: return $LaTeXwidth;
921: }
922:
923: sub get_textwidth {
924: my ($helper,$LaTeXwidth)=@_;
925: my $textwidth=$LaTeXwidth;
926: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
927: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
928: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
929: $helper->{'VARS'}->{'pagesize.widthunit'});
930: }
931: return $textwidth;
932: }
933:
934:
935: sub unsupported {
936: my ($currentURL,$mode,$symb)=@_;
937: if ($mode ne '') {$mode='\\'.$mode}
938: my $result.= &print_latex_header($mode);
939: if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
940: $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
941: my $title=&Apache::lonnet::gettitle($symb);
942: $title = &Apache::lonxml::latex_special_symbols($title);
943: $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
944: } else {
945: $result.=$currentURL;
946: }
947: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
948: return $result;
949: }
950:
951:
952: #
953: # List of recently generated print files
954: #
955: sub recently_generated {
956: my $r=shift;
957: my $prtspool=$r->dir_config('lonPrtDir');
958: my $zip_result;
959: my $pdf_result;
960: opendir(DIR,$prtspool);
961:
962: my @files =
963: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
964: closedir(DIR);
965:
966: @files = sort {
967: my ($actime) = (stat($prtspool.'/'.$a))[10];
968: my ($bctime) = (stat($prtspool.'/'.$b))[10];
969: return $bctime <=> $actime;
970: } (@files);
971:
972: foreach my $filename (@files) {
973: my ($ext) = ($filename =~ m/(pdf|zip)$/);
974: my ($cdev,$cino,$cmode,$cnlink,
975: $cuid,$cgid,$crdev,$csize,
976: $catime,$cmtime,$cctime,
977: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
978: my $result="<a href='/prtspool/$filename'>".
979: &mt('Generated [_1] ([_2] bytes)',
980: &Apache::lonlocal::locallocaltime($cctime),$csize).
981: '</a><br />';
982: if ($ext eq 'pdf') { $pdf_result .= $result; }
983: if ($ext eq 'zip') { $zip_result .= $result; }
984: }
985: if ($zip_result) {
986: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
987: .$zip_result);
988: }
989: if ($pdf_result) {
990: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
991: .$pdf_result);
992: }
993: }
994:
995: #
996: # Retrieve the hash of page breaks.
997: #
998: # Inputs:
999: # helper - reference to helper object.
1000: # Outputs
1001: # A reference to a page break hash.
1002: #
1003: #
1004: #use Data::Dumper;
1005: #sub dump_helper_vars {
1006: # my ($helper) = @_;
1007: # my $helpervars = Dumper($helper->{'VARS'});
1008: # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
1009: #}
1010:
1011: sub get_page_breaks {
1012: my ($helper) = @_;
1013: my %page_breaks;
1014:
1015: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1016: $page_breaks{$break} = 1;
1017: }
1018: return %page_breaks;
1019: }
1020:
1021: sub output_data {
1022: my ($r,$helper,$rparmhash) = @_;
1023: my %parmhash = %$rparmhash;
1024: my $resources_printed = '';
1025: my $html=&Apache::lonxml::xmlbegin();
1026: my $headtag = &Apache::loncommon::headtag('Preparing Printout');
1027: my $end_headtag = &Apache::loncommon::endheadtag();
1028: my $bodytag = &Apache::loncommon::bodytag('Preparing Printout');
1029: $r->print(<<ENDPART);
1030: $html
1031: $headtag
1032: <script type="text/javascript" language="Javascript">
1033: var editbrowser;
1034: function openbrowser(formname,elementname,only,omit) {
1035: var url = '/res/?';
1036: if (editbrowser == null) {
1037: url += 'launch=1&';
1038: }
1039: url += 'catalogmode=interactive&';
1040: url += 'mode=parmset&';
1041: url += 'form=' + formname + '&';
1042: if (only != null) {
1043: url += 'only=' + only + '&';
1044: }
1045: if (omit != null) {
1046: url += 'omit=' + omit + '&';
1047: }
1048: url += 'element=' + elementname + '';
1049: var title = 'Browser';
1050: var options = 'scrollbars=1,resizable=1,menubar=0';
1051: options += ',width=700,height=600';
1052: editbrowser = open(url,title,options,'1');
1053: editbrowser.focus();
1054: }
1055: </script>
1056: $end_headtag
1057: $bodytag
1058: <p>
1059: Please stand by while processing your print request, this may take some time ...
1060: </p>
1061: ENDPART
1062:
1063:
1064:
1065: # fetch the pagebreaks and store them in the course environment
1066: # The page breaks will be pulled into the hash %page_breaks which is
1067: # indexed by symb and contains 1's for each break.
1068:
1069: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1070: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1071: &Apache::loncommon::store_course_settings('print',
1072: {'pagebreaks' => 'scalar',
1073: 'lastprinttype' => 'scalar'});
1074:
1075: my %page_breaks = &get_page_breaks($helper);
1076:
1077: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1078: my ($result,$selectionmade) = ('','');
1079: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1080: my @temporary_array=split /\|/,$format_from_helper;
1081: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1082: if ($laystyle eq 'L') {
1083: $laystyle='album';
1084: } else {
1085: $laystyle='book';
1086: }
1087: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1088: my $assignment = $env{'form.assignment'};
1089: my $LaTeXwidth=&recalcto_mm($textwidth);
1090: my @print_array=();
1091: my @student_names=();
1092:
1093: # Common settings for the %form has:
1094: # In some cases these settings get overriddent by specific cases, but the
1095: # settings are common enough to make it worthwhile factoring them out
1096: # here.
1097: #
1098: my %form;
1099: $form{'grade_target'} = 'tex';
1100: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1101:
1102: # If form.showallfoils is set, then request all foils be shown:
1103: # privilege will be enforced both by not allowing the
1104: # check box selecting this option to be presnt unless it's ok,
1105: # and by lonresponse's priv. check.
1106: # The if is here because lonresponse.pm only cares that
1107: # showallfoils is defined, not what the value is.
1108:
1109: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1110: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1111: }
1112:
1113: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1114: #-- single document - problem, page, html, xml, ...
1115: my ($currentURL,$cleanURL);
1116:
1117: if ($helper->{'VARS'}->{'construction'} ne '1') {
1118: #prints published resource
1119: $currentURL=$helper->{'VARS'}->{'postdata'};
1120: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1121: } else {
1122: #prints resource from the construction space
1123: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1124: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1125: $cleanURL=$currentURL;
1126: }
1127: $selectionmade = 1;
1128: if ($cleanURL!~m|^/adm/|
1129: && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1130: my $rndseed=time;
1131: my $texversion='';
1132: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1133: my %moreenv;
1134: $moreenv{'request.filename'}=$cleanURL;
1135: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1136: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1137: my $dom = $env{'user.domain'};
1138: my $user = $env{'user.name'};
1139: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1140: }
1141: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1142: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1143: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1144: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1145: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1146: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1147: if ($helper->{'VARS'}->{'curseed'}) {
1148: $rndseed=$helper->{'VARS'}->{'curseed'};
1149: }
1150: $form{'rndseed'}=$rndseed;
1151: &Apache::lonnet::appenv(%moreenv);
1152:
1153: &Apache::lonxml::clear_problem_counter();
1154:
1155: $resources_printed .= $currentURL.':';
1156: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1157:
1158: &Apache::lonxml::clear_problem_counter();
1159:
1160: &Apache::lonnet::delenv('request.filename');
1161: }
1162: # current document with answers.. no need to encap in minipage
1163: # since there's only one answer.
1164:
1165: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1166: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1167: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1168: $form{'grade_target'}='answer';
1169: $form{'answer_output_mode'}='tex';
1170: $form{'rndseed'}=$rndseed;
1171: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1172: $form{'problemtype'}='exam';
1173: }
1174: $resources_printed .= $currentURL.':';
1175: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1176: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1177: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1178: } else {
1179: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1180: if ($helper->{'VARS'}->{'construction'} ne '1') {
1181: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1182: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1183: } else {
1184: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1185: my $URLpath=$cleanURL;
1186: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1187: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1188: }
1189: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1190: }
1191: }
1192: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1193: $texversion=&IndexCreation($texversion,$currentURL);
1194: }
1195: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1196: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1197:
1198: }
1199: $result .= $texversion;
1200: if ($currentURL=~m/\.page\s*$/) {
1201: ($result,$number_of_columns) = &page_cleanup($result);
1202: }
1203: } elsif ($cleanURL!~m|^/adm/|
1204: && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1205: #printing content of sequence from the construction space
1206: my $flag_latex_header_remove = 'NO';
1207: my $rndseed=time;
1208: if ($helper->{'VARS'}->{'curseed'}) {
1209: $rndseed=$helper->{'VARS'}->{'curseed'};
1210: }
1211: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1212: my $errtext=&Apache::lonratedt::mapread($currentURL);
1213: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
1214: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
1215: my $urlp=$2;
1216: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1217: my $texversion='';
1218: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1219: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1220: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1221: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1222: $form{'rndseed'}=$rndseed;
1223: $resources_printed .=$urlp.':';
1224: $texversion=&Apache::lonnet::ssi($urlp,%form);
1225: }
1226: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1227: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1228: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1229: # Don't permanently modify %$form...
1230: my %answerform = %form;
1231: $answerform{'grade_target'}='answer';
1232: $answerform{'answer_output_mode'}='tex';
1233: $answerform{'rndseed'}=$rndseed;
1234: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1235: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1236: $resources_printed .= $urlp.':';
1237: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1238: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1239: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1240: } else {
1241: # If necessary, encapsulate answer in minipage:
1242:
1243: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1244: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1245: $body.=&path_to_problem($urlp,$LaTeXwidth);
1246: $body.='\vskip 1 mm '.$answer.'\end{document}';
1247: $body = &encapsulate_minipage($body);
1248: $texversion.=$body;
1249: }
1250: }
1251: if ($flag_latex_header_remove ne 'NO') {
1252: $texversion = &latex_header_footer_remove($texversion);
1253: } else {
1254: $texversion =~ s/\\end{document}//;
1255: }
1256: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1257: $texversion=&IndexCreation($texversion,$urlp);
1258: }
1259: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1260: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1261: }
1262: $result.=$texversion;
1263: $flag_latex_header_remove = 'YES';
1264: } elsif ($urlp=~/\.(sequence|page)$/) {
1265: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1266: }
1267: }
1268: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1269: $result .= '\end{document}';
1270: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1271: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1272: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1273: $resources_printed .= $currentURL.':';
1274: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1275: $result .= $texversion;
1276: } else {
1277: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
1278: $helper->{'VARS'}->{'symb'});
1279: }
1280: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1281: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1282: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1283: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1284: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1285: #-- produce an output string
1286: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1287: $selectionmade = 2;
1288: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1289: $selectionmade = 3;
1290: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1291: $selectionmade = 4;
1292: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1293: $selectionmade = 4;
1294: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1295: $selectionmade = 7;
1296: }
1297: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1298: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1299: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1300: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1301: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1302: my $flag_latex_header_remove = 'NO';
1303: my $flag_page_in_sequence = 'NO';
1304: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1305: my $prevassignment='';
1306:
1307: &Apache::lonxml::clear_problem_counter();
1308:
1309: my $pbreakresources = keys %page_breaks;
1310: for (my $i=0;$i<=$#master_seq;$i++) {
1311:
1312: # Note due to document structure, not allowed to put \newpage
1313: # prior to the first resource
1314:
1315: if (defined $page_breaks{$master_seq[$i]}) {
1316: if($i != 0) {
1317: $result.="\\newpage\n";
1318: }
1319: }
1320: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1321: $urlp=&Apache::lonnet::clutter($urlp);
1322: $form{'symb'}=$master_seq[$i];
1323:
1324: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1325: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1326: if ($i==0) {$prevassignment=$assignment;}
1327: my $texversion='';
1328: if ($urlp!~m|^/adm/|
1329: && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1330: $resources_printed .= $urlp.':';
1331:
1332: &Apache::lonxml::remember_problem_counter();
1333:
1334: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1335: if ($urlp=~/\.page$/) {
1336: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1337: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1338: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1339: $flag_page_in_sequence = 'YES';
1340: }
1341:
1342: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1343: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1344: # Don't permanently pervert the %form hash
1345: my %answerform = %form;
1346: $answerform{'grade_target'}='answer';
1347: $answerform{'answer_output_mode'}='tex';
1348: $resources_printed .= $urlp.':';
1349:
1350: &Apache::lonxml::restore_problem_counter();
1351: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1352:
1353: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1354: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1355: } else {
1356: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1357: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1358: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm ';
1359: $body .= &path_to_problem ($urlp,$LaTeXwidth);
1360: $body .='\vskip 1 mm '.$answer;
1361: $body = &encapsulate_minipage($body);
1362: $texversion .= $body;
1363: } else {
1364: $texversion='';
1365: }
1366: }
1367: }
1368: if ($flag_latex_header_remove ne 'NO') {
1369: $texversion = &latex_header_footer_remove($texversion);
1370: } else {
1371: $texversion =~ s/\\end{document}//;
1372: }
1373: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1374: $texversion=&IndexCreation($texversion,$urlp);
1375: }
1376: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1377: my $name = &get_name();
1378: my $courseidinfo = &get_course();
1379: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1380: $prevassignment=$assignment;
1381: if ($numberofcolumns eq '1') {
1382: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1383: } else {
1384: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1385: }
1386: }
1387: $result .= $texversion;
1388: $flag_latex_header_remove = 'YES';
1389: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1390: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1391: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1392: $resources_printed .= $urlp.':';
1393: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1394: if ($flag_latex_header_remove ne 'NO') {
1395: $texversion = &latex_header_footer_remove($texversion);
1396: } else {
1397: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1398: }
1399: $result .= $texversion;
1400: $flag_latex_header_remove = 'YES';
1401: } else {
1402: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
1403: $master_seq[$i]);
1404: if ($flag_latex_header_remove ne 'NO') {
1405: $texversion = &latex_header_footer_remove($texversion);
1406: } else {
1407: $texversion =~ s/\\end{document}//;
1408: }
1409: $result .= $texversion;
1410: $flag_latex_header_remove = 'YES';
1411: }
1412: if (&Apache::loncommon::connection_aborted($r)) { last; }
1413: }
1414: &Apache::lonxml::clear_problem_counter();
1415: if ($flag_page_in_sequence eq 'YES') {
1416: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1417: }
1418: $result .= '\end{document}';
1419: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1420: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1421:
1422:
1423: #-- prints assignments for whole class or for selected students
1424: my $type;
1425: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1426: $selectionmade=5;
1427: $type='problems';
1428: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1429: $selectionmade=8;
1430: $type='resources';
1431: }
1432: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1433: # The normal sort order is by section then by students within the
1434: # section. If the helper var student_sort is 1, then the user has elected
1435: # to override this and output the students by name.
1436: # Each element of the students array is of the form:
1437: # username:domain:section:last, first:status
1438: #
1439: # Note that student sort is not compatible with printing
1440: # 1 section per pdf...so that setting overrides.
1441: #
1442: if (($helper->{'VARS'}->{'student_sort'} eq 1) &&
1443: ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1444: @students = sort compare_names @students;
1445: }
1446: &adjust_number_to_print($helper);
1447:
1448: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1449: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1450: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1451: }
1452: # If we are splitting on section boundaries, we need
1453: # to remember that in split_on_sections and
1454: # print all of the students in the list.
1455: #
1456: my $split_on_sections = 0;
1457: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
1458: $split_on_sections = 1;
1459: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
1460: }
1461: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1462:
1463: #loop over students
1464: my $flag_latex_header_remove = 'NO';
1465: my %moreenv;
1466: $moreenv{'instructor_comments'}='hide';
1467: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1468: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1469: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1470: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1471: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1472: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1473: my $student_counter=-1;
1474: my $i = 0;
1475: my $last_section = (split(/:/,$students[0]))[2];
1476: foreach my $person (@students) {
1477:
1478: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1479: if (-e $duefile) {
1480: my $temp_file = Apache::File->new('>>'.$duefile);
1481: print $temp_file "1969\n";
1482: }
1483: $student_counter++;
1484: if ($split_on_sections) {
1485: my $this_section = (split(/:/,$person))[2];
1486: if ($this_section ne $last_section) {
1487: $i++;
1488: $last_section = $this_section;
1489: }
1490: } else {
1491: $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1492: }
1493: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1494: $person,$type,
1495: \%moreenv,\@master_seq,
1496: $flag_latex_header_remove,
1497: $LaTeXwidth);
1498: $resources_printed .= ":";
1499: $print_array[$i].=$output;
1500: $student_names[$i].=$person.':'.$fullname.'_END_';
1501: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1502: $flag_latex_header_remove = 'YES';
1503: if (&Apache::loncommon::connection_aborted($r)) { last; }
1504: }
1505: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1506: $result .= $print_array[0].' \end{document}';
1507: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1508: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1509: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1510: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1511: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1512: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1513: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1514: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1515: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1516:
1517: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1518: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1519: my ($code_type,$code_length)=('letter',6);
1520: foreach my $line (<FH>) {
1521: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1522: if ($name eq $code_option) {
1523: $code_length=$length;
1524: if ($type eq 'number') { $code_type = 'number'; }
1525: }
1526: }
1527: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1528: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1529: $moreenv{'instructor_comments'}='hide';
1530: my $seed=time+($$<<16)+($$);
1531: my @allcodes;
1532: if ($old_name) {
1533: my %result=&Apache::lonnet::get('CODEs',
1534: [$old_name,"type\0$old_name"],
1535: $cdom,$cnum);
1536: $code_type=$result{"type\0$old_name"};
1537: @allcodes=split(',',$result{$old_name});
1538: $num_todo=scalar(@allcodes);
1539: } elsif ($selected_code) { # Selection value is always numeric.
1540: $num_todo = 1;
1541: @allcodes = ($selected_code);
1542: } elsif ($single_code) {
1543:
1544: $num_todo = 1; # Unconditionally one code to do.
1545: # If an alpha code have to convert to numbers so it can be
1546: # converted back to letters again :-)
1547: #
1548: if ($code_type ne 'number') {
1549: $single_code = &letters_to_num($single_code);
1550: }
1551: @allcodes = ($single_code);
1552: } else {
1553: my %allcodes;
1554: srand($seed);
1555: for (my $i=0;$i<$num_todo;$i++) {
1556: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1557: $code_type);
1558: }
1559: if ($code_name) {
1560: &Apache::lonnet::put('CODEs',
1561: {
1562: $code_name =>join(',',keys(%allcodes)),
1563: "type\0$code_name" => $code_type
1564: },
1565: $cdom,$cnum);
1566: }
1567: @allcodes=keys(%allcodes);
1568: }
1569: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1570: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1571: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1572: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1573: $number_per_page=$num_todo;
1574: }
1575: my $flag_latex_header_remove = 'NO';
1576: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1577: my $count=0;
1578: foreach my $code (sort(@allcodes)) {
1579: my $file_num=int($count/$number_per_page);
1580: if ($code_type eq 'number') {
1581: $moreenv{'CODE'}=$code;
1582: } else {
1583: $moreenv{'CODE'}=&num_to_letters($code);
1584: }
1585: my ($output,$fullname, $printed)=
1586: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1587: \@master_seq,$flag_latex_header_remove,
1588: $LaTeXwidth);
1589: $resources_printed .= ":";
1590: $print_array[$file_num].=$output;
1591: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1592: &mt('last assignment').' '.$fullname);
1593: $flag_latex_header_remove = 'YES';
1594: $count++;
1595: if (&Apache::loncommon::connection_aborted($r)) { last; }
1596: }
1597: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1598: $result .= $print_array[0].' \end{document}';
1599: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1600: #prints selected problems from the subdirectory
1601: $selectionmade = 6;
1602: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1603: @list_of_files=sort @list_of_files;
1604: my $flag_latex_header_remove = 'NO';
1605: my $rndseed=time;
1606: if ($helper->{'VARS'}->{'curseed'}) {
1607: $rndseed=$helper->{'VARS'}->{'curseed'};
1608: }
1609: for (my $i=0;$i<=$#list_of_files;$i++) {
1610: my $urlp = $list_of_files[$i];
1611: $urlp=~s|//|/|;
1612: if ($urlp=~/\//) {
1613: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1614: $form{'rndseed'}=$rndseed;
1615: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1616: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1617: } else {
1618: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1619: }
1620: $resources_printed .= $urlp.':';
1621: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1622: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1623: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1624: # Don't permanently pervert %form:
1625: my %answerform = %form;
1626: $answerform{'grade_target'}='answer';
1627: $answerform{'answer_output_mode'}='tex';
1628: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1629: $answerform{'rndseed'}=$rndseed;
1630: $resources_printed .= $urlp.':';
1631: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1632: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1633: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1634: } else {
1635: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1636: if ($helper->{'VARS'}->{'construction'} ne '1') {
1637: $texversion.='\vskip 0 mm \noindent ';
1638: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1639: } else {
1640: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1641: my $URLpath=$urlp;
1642: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1643: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1644: }
1645: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1646: }
1647: }
1648: #this chunck is responsible for printing the path to problem
1649: my $newurlp=$urlp;
1650: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1651: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1652: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1653: if ($flag_latex_header_remove ne 'NO') {
1654: $texversion = &latex_header_footer_remove($texversion);
1655: } else {
1656: $texversion =~ s/\\end{document}//;
1657: }
1658: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1659: $texversion=&IndexCreation($texversion,$urlp);
1660: }
1661: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1662: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1663:
1664: }
1665: $result .= $texversion;
1666: }
1667: $flag_latex_header_remove = 'YES';
1668: }
1669: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1670: $result .= '\end{document}';
1671: }
1672: #-------------------------------------------------------- corrections for the different page formats
1673: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1674: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
1675: $helper->{'VARS'}->{'ANSWER_TYPE'});
1676: for (my $i=1;$i<=$#print_array;$i++) {
1677: $print_array[$i] =
1678: &latex_corrections($number_of_columns,$print_array[$i],
1679: $selectionmade,
1680: $helper->{'VARS'}->{'ANSWER_TYPE'});
1681: }
1682: #changes page's parameters for the one column output
1683: if ($numberofcolumns == 1) {
1684: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1685: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1686: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1687: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1688: }
1689:
1690: #-- writing .tex file in prtspool
1691: my $temp_file;
1692: my $identifier = &Apache::loncommon::get_cgi_id();
1693: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1694: if (!($#print_array>0)) {
1695: unless ($temp_file = Apache::File->new('>'.$filename)) {
1696: $r->log_error("Couldn't open $filename for output $!");
1697: return SERVER_ERROR;
1698: }
1699: print $temp_file $result;
1700: my $begin=index($result,'\begin{document}',0);
1701: my $inc=substr($result,0,$begin+16);
1702: } else {
1703: my $begin=index($result,'\begin{document}',0);
1704: my $inc=substr($result,0,$begin+16);
1705: for (my $i=0;$i<=$#print_array;$i++) {
1706: if ($i==0) {
1707: $print_array[$i]=$result;
1708: } else {
1709: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1710: substr($print_array[$i],0,$anobegin)='';
1711: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1712: }
1713: my $temp_file;
1714: my $newfilename=$filename;
1715: my $num=$i+1;
1716: $newfilename =~s/\.tex$//;
1717: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1718: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1719: $r->log_error("Couldn't open $newfilename for output $!");
1720: return SERVER_ERROR;
1721: }
1722: print $temp_file $print_array[$i];
1723: }
1724: }
1725: my $student_names='';
1726: if ($#print_array>0) {
1727: for (my $i=0;$i<=$#print_array;$i++) {
1728: $student_names.=$student_names[$i].'_ENDPERSON_';
1729: }
1730: } else {
1731: if ($#student_names>-1) {
1732: $student_names=$student_names[0].'_ENDPERSON_';
1733: } else {
1734: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1735: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1736: $env{'request.course.sec'},$fullname).
1737: '_ENDPERSON_'.'_END_';
1738: }
1739: }
1740:
1741: my $URLback=''; #link to original document
1742: if ($helper->{'VARS'}->{'construction'} ne '1') {
1743: #prints published resource
1744: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1745: } else {
1746: #prints resource from the construction space
1747: $URLback='/'.$helper->{'VARS'}->{'filename'};
1748: if ($URLback=~/([^?]+)/) {
1749: $URLback=$1;
1750: $URLback=~s|^/~|/priv/|;
1751: }
1752: }
1753: # logic for now is too complex to trace if this has been defined
1754: # yet.
1755: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1756: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1757: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1758: 'cgi.'.$identifier.'.layout' => $laystyle,
1759: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1760: 'cgi.'.$identifier.'.paper' => $papersize,
1761: 'cgi.'.$identifier.'.selection' => $selectionmade,
1762: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1763: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1764: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1765: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1766: 'cgi.'.$identifier.'.studentnames' => $student_names,
1767: 'cgi.'.$identifier.'.backref' => $URLback,);
1768: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1769: "cgi.$identifier.domain" => $env{'user.domain'},
1770: "cgi.$identifier.courseid" => $cnum,
1771: "cgi.$identifier.coursedom" => $cdom,
1772: "cgi.$identifier.resources" => $resources_printed);
1773:
1774: my $end_page = &Apache::loncommon::end_page();
1775: $r->print(<<FINALEND);
1776: <br />
1777: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1778: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1779: $end_page
1780: FINALEND
1781: }
1782:
1783:
1784: sub get_CODE {
1785: my ($all_codes,$num,$seed,$size,$type)=@_;
1786: my $max='1'.'0'x$size;
1787: my $newcode;
1788: while(1) {
1789: $newcode=sprintf("%0".$size."d",int(rand($max)));
1790: if (!exists($$all_codes{$newcode})) {
1791: $$all_codes{$newcode}=1;
1792: if ($type eq 'number' ) {
1793: return $newcode;
1794: } else {
1795: return &num_to_letters($newcode);
1796: }
1797: }
1798: }
1799: }
1800:
1801: sub print_resources {
1802: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1803: $LaTeXwidth)=@_;
1804: my $current_output = '';
1805: my $printed = '';
1806: my ($username,$userdomain,$usersection) = split /:/,$person;
1807: my $fullname = &get_name($username,$userdomain);
1808: my $namepostfix;
1809: if ($person =~ 'anon') {
1810: $namepostfix="\\\\Name: ";
1811: $fullname = "CODE - ".$moreenv->{'CODE'};
1812: }
1813: my $i = 0;
1814: #goes through all resources, checks if they are available for
1815: #current student, and produces output
1816:
1817: &Apache::lonxml::clear_problem_counter();
1818: my %page_breaks = &get_page_breaks($helper);
1819: my @format_array = split(/\|/,$helper->{'VARS'}->{'FORMAT'});
1820: my $columns_in_format = $format_array[1];
1821:
1822: foreach my $curresline (@{$master_seq}) {
1823: if (defined $page_breaks{$curresline}) {
1824: if($i != 0) {
1825: $current_output.= "\\newpage\n";
1826: }
1827: }
1828: $i++;
1829: if ( !($type eq 'problems' &&
1830: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1831: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1832: if (&Apache::lonnet::allowed('bre',$res_url)) {
1833: if ($res_url!~m|^ext/|
1834: && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1835: $printed .= $curresline.':';
1836:
1837: &Apache::lonxml::remember_problem_counter();
1838:
1839: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1840:
1841: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1842: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1843: # Use a copy of the hash so we don't pervert it on future loop passes.
1844: my %answerenv = %{$moreenv};
1845: $answerenv{'answer_output_mode'}='tex';
1846: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1847:
1848: &Apache::lonxml::restore_problem_counter();
1849:
1850: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1851:
1852: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1853: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1854: } else {
1855:
1856:
1857: my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1858: my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1859: $body .=&path_to_problem($res_url,$LaTeXwidth);
1860: $body .='\vskip 1 mm '.$ansrendered;
1861: $body = &encapsulate_minipage($body);
1862: $rendered = $header.$body;
1863: }
1864: }
1865: if ($remove_latex_header eq 'YES') {
1866: $rendered = &latex_header_footer_remove($rendered);
1867: } else {
1868: $rendered =~ s/\\end{document}//;
1869: }
1870: $current_output .= $rendered;
1871: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1872: $printed .= $curresline.':';
1873: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1874:
1875: if ($remove_latex_header eq 'YES') {
1876: $rendered = &latex_header_footer_remove($rendered);
1877: } else {
1878: $rendered =~ s/\\end{document}//;
1879: }
1880: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1881:
1882: } else {
1883: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1884: if ($remove_latex_header ne 'NO') {
1885: $rendered = &latex_header_footer_remove($rendered);
1886: } else {
1887: $rendered =~ s/\\end{document}//;
1888: }
1889: $current_output .= $rendered;
1890: }
1891: }
1892: $remove_latex_header = 'YES';
1893: }
1894: if (&Apache::loncommon::connection_aborted($r)) { last; }
1895: }
1896: my $courseidinfo = &get_course();
1897: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1898: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1899: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1900: if ($current_output=~/\\documentclass/) {
1901: if ($columns_in_format == 1) {
1902: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1903: } else {
1904: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fancyhead[LO]{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1905:
1906: }
1907: } else {
1908: my $blankpages = '';
1909: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1910: if ($columns_in_format == 1) {
1911: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1912: } else {
1913: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1914: }
1915: }
1916: return ($current_output,$fullname, $printed);
1917:
1918: }
1919:
1920: sub handler {
1921:
1922: my $r = shift;
1923:
1924: &init_perm();
1925:
1926:
1927:
1928: my $helper = printHelper($r);
1929: if (!ref($helper)) {
1930: return $helper;
1931: }
1932:
1933:
1934: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1935:
1936:
1937:
1938:
1939: # If a figure conversion queue file exists for this user.domain
1940: # we delete it since it can only be bad (if it were good, printout.pl
1941: # would have deleted it the last time around.
1942:
1943: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1944: if(-e $conversion_queuefile) {
1945: unlink $conversion_queuefile;
1946: }
1947: &output_data($r,$helper,\%parmhash);
1948: return OK;
1949: }
1950:
1951: use Apache::lonhelper;
1952:
1953: sub addMessage {
1954: my $text = shift;
1955: my $paramHash = Apache::lonhelper::getParamHash();
1956: $paramHash->{MESSAGE_TEXT} = $text;
1957: Apache::lonhelper::message->new();
1958: }
1959:
1960:
1961:
1962: sub init_perm {
1963: undef(%perm);
1964: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1965: if (!$perm{'pav'}) {
1966: $perm{'pav'}=&Apache::lonnet::allowed('pav',
1967: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1968: }
1969: $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1970: if (!$perm{'pfo'}) {
1971: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
1972: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1973: }
1974: }
1975:
1976: sub printHelper {
1977: my $r = shift;
1978:
1979: if ($r->header_only) {
1980: if ($env{'browser.mathml'}) {
1981: &Apache::loncommon::content_type($r,'text/xml');
1982: } else {
1983: &Apache::loncommon::content_type($r,'text/html');
1984: }
1985: $r->send_http_header;
1986: return OK;
1987: }
1988:
1989: # Send header, nocache
1990: if ($env{'browser.mathml'}) {
1991: &Apache::loncommon::content_type($r,'text/xml');
1992: } else {
1993: &Apache::loncommon::content_type($r,'text/html');
1994: }
1995: &Apache::loncommon::no_cache($r);
1996: $r->send_http_header;
1997: $r->rflush();
1998:
1999: # Unfortunately, this helper is so complicated we have to
2000: # write it by hand
2001:
2002: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
2003:
2004: my $helper = Apache::lonhelper::helper->new("Printing Helper");
2005: $helper->declareVar('symb');
2006: $helper->declareVar('postdata');
2007: $helper->declareVar('curseed');
2008: $helper->declareVar('probstatus');
2009: $helper->declareVar('filename');
2010: $helper->declareVar('construction');
2011: $helper->declareVar('assignment');
2012: $helper->declareVar('style_file');
2013: $helper->declareVar('student_sort');
2014: $helper->declareVar('FINISHPAGE');
2015: $helper->declareVar('PRINT_TYPE');
2016: $helper->declareVar("showallfoils");
2017:
2018: # The page breaks can get loaded initially from the course environment:
2019: # But we only do this in the initial state so that they are allowed to change.
2020: #
2021:
2022: # $helper->{VARS}->{FINISHPAGE} = '';
2023:
2024: &Apache::loncommon::restore_course_settings('print',
2025: {'pagebreaks' => 'scalar',
2026: 'lastprinttype' => 'scalar'});
2027:
2028:
2029: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
2030: if (!defined ($env{"form.CURRENT_STATE"})) {
2031:
2032: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2033: } else {
2034: my $state = $env{"form.CURRENT_STATE"};
2035: if ($state eq "START") {
2036: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
2037: }
2038: }
2039:
2040: }
2041:
2042:
2043: # This will persistently load in the data we want from the
2044: # very first screen.
2045: # Detect whether we're coming from construction space
2046: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
2047: $helper->{VARS}->{'filename'} = "~$1/$2";
2048: $helper->{VARS}->{'construction'} = 1;
2049: } else {
2050: if ($env{'form.postdata'}) {
2051: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
2052: }
2053: if ($env{'form.symb'}) {
2054: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2055: }
2056: if ($env{'form.url'}) {
2057: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2058: }
2059:
2060: }
2061:
2062: if ($env{'form.symb'}) {
2063: $helper->{VARS}->{'symb'} = $env{'form.symb'};
2064: }
2065: if ($env{'form.url'}) {
2066: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
2067:
2068: }
2069: $helper->{VARS}->{'symb'}=
2070: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
2071: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
2072: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
2073:
2074:
2075: # Extract map
2076: my $symb = $helper->{VARS}->{'symb'};
2077: my ($map, $id, $url);
2078: my $subdir;
2079:
2080: # Get the resource name from construction space
2081: if ($helper->{VARS}->{'construction'}) {
2082: $resourceTitle = substr($helper->{VARS}->{'filename'},
2083: rindex($helper->{VARS}->{'filename'}, '/')+1);
2084: $subdir = substr($helper->{VARS}->{'filename'},
2085: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
2086: } else {
2087: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
2088: $helper->{VARS}->{'postdata'} =
2089: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
2090:
2091: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
2092: my $postdata = $helper->{VARS}->{'postdata'};
2093: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
2094: }
2095: $subdir = &Apache::lonnet::filelocation("", $url);
2096: }
2097: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2098: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2099: }
2100: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2101: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2102: }
2103:
2104: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2105:
2106: Apache::lonhelper::registerHelperTags();
2107:
2108: # "Delete everything after the last slash."
2109: $subdir =~ s|/[^/]+$||;
2110: if (not $helper->{VARS}->{'construction'}) {
2111: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
2112: }
2113: # "Remove all duplicate slashes."
2114: $subdir =~ s|/+|/|g;
2115:
2116: # What can be printed is a very dynamic decision based on
2117: # lots of factors. So we need to dynamically build this list.
2118: # To prevent security leaks, states are only added to the wizard
2119: # if they can be reached, which ensures manipulating the form input
2120: # won't allow anyone to reach states they shouldn't have permission
2121: # to reach.
2122:
2123: # printChoices is tracking the kind of printing the user can
2124: # do, and will be used in a choices construction later.
2125: # In the meantime we will be adding states and elements to
2126: # the helper by hand.
2127: my $printChoices = [];
2128: my $paramHash;
2129:
2130: if ($resourceTitle) {
2131: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2132: }
2133:
2134: # Useful filter strings
2135: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2136: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2137: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2138: my $isNotMap = '!$res->is_sequence()';
2139: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2140: my $isMap = '$res->is_map()';
2141: my $symbFilter = '$res->shown_symb()';
2142: my $urlValue = '$res->link()';
2143:
2144: $helper->declareVar('SEQUENCE');
2145:
2146:
2147:
2148: # If we're in a sequence...
2149: if (($helper->{'VARS'}->{'construction'} ne '1') &&
2150:
2151: $helper->{VARS}->{'postdata'} &&
2152: $helper->{VARS}->{'assignment'}) {
2153: # Allow problems from sequence
2154: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
2155: # Allow all resources from sequence
2156: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2157:
2158: my $helperFragment = <<HELPERFRAGMENT;
2159: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2160: <message>(mark them then click "next" button) <br /></message>
2161: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2162: closeallpages="1">
2163: <nextstate>PAGESIZE</nextstate>
2164: <filterfunc>return $isProblem;</filterfunc>
2165: <mapurl>$map</mapurl>
2166: <valuefunc>return $symbFilter;</valuefunc>
2167: <option text='Newpage' variable='FINISHPAGE' />
2168: </resource>
2169: </state>
2170:
2171: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2172: <message>(mark them then click "next" button) <br /></message>
2173: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2174: closeallpages="1">
2175: <nextstate>PAGESIZE</nextstate>
2176: <filterfunc>return $isNotMap;</filterfunc>
2177: <mapurl>$map</mapurl>
2178: <valuefunc>return $symbFilter;</valuefunc>
2179: <option text='Newpage' variable='FINISHPAGE' />
2180: </resource>
2181: </state>
2182: HELPERFRAGMENT
2183:
2184: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2185: }
2186:
2187: # If the user has pfo (print for otheres) allow them to print all
2188: # problems and resources in the entier course, optionally for selected students
2189: if ($perm{'pfo'} &&
2190: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2191:
2192: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2193: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2194: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2195: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2196: <message>(mark them then click "next" button) <br /></message>
2197: <resource variable="RESOURCES" toponly='0' multichoice="1"
2198: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2199: <nextstate>PAGESIZE</nextstate>
2200: <filterfunc>return $isProblemOrMap;</filterfunc>
2201: <choicefunc>return $isNotMap;</choicefunc>
2202: <valuefunc>return $symbFilter;</valuefunc>
2203: <option text='Newpage' variable='FINISHPAGE' />
2204: </resource>
2205: </state>
2206: <state name="ALL_RESOURCES" title="Select Resource(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 $isNotMap; </filterfunc>
2212: <valuefunc>return $symbFilter;</valuefunc>
2213: <option text='NewPage' variable='FINISHPAGE' />
2214: </resource>
2215: </state>
2216: ALL_PROBLEMS
2217:
2218: if ($helper->{VARS}->{'assignment'}) {
2219: 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'];
2220: 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'];
2221: }
2222:
2223: # resource_selector will hold a few states that:
2224: # - Allow resources to be selected for printing.
2225: # - Determine pagination between assignments.
2226: # - Determine how many assignments should be bundled into a single PDF.
2227: # TODO:
2228: # Probably good to do things like separate this up into several vars, each
2229: # with one state, and use REGEXPs at inclusion time to set state names
2230: # and next states for better mix and match capability
2231: #
2232: my $resource_selector=<<RESOURCE_SELECTOR;
2233: <state name="SELECT_PROBLEMS" title="Select resources to print">
2234: <nextstate>PRINT_FORMATTING</nextstate>
2235: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2236: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2237: closeallpages="1">
2238: <filterfunc>return $isProblem;</filterfunc>
2239: <mapurl>$map</mapurl>
2240: <valuefunc>return $symbFilter;</valuefunc>
2241: <option text='New Page' variable='FINISHPAGE' />
2242: </resource>
2243: </state>
2244: <state name="PRINT_FORMATTING" title="How should results be printed?">
2245: <nextstate>NUMBER_PER_PDF</nextstate>
2246: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2247: <choices variable="EMPTY_PAGES">
2248: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2249: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2250: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2251: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2252: </choices>
2253: </state>
2254: <state name="NUMBER_PER_PDF" title="Number printed at once">
2255: <nextstate>PAGESIZE</nextstate>
2256: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2257: <choices variable="SPLIT_PDFS">
2258: <choice computer="all">All assignments in a single PDF file</choice>
2259: <choice computer="sections">Each PDF contains exactly one section</choice>
2260: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2261: <choice computer="usenumber">Specify Number:</choice>
2262: </choices>
2263: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2264: </state>
2265: RESOURCE_SELECTOR
2266:
2267: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2268: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2269: <message><b>Select sort order</b> </message>
2270: <choices variable='student_sort'>
2271: <choice computer='0'>Sort by section then student</choice>
2272: <choice computer='1'>Sort by students across sections.</choice>
2273: </choices>
2274: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
2275: </state>
2276: $resource_selector
2277: CHOOSE_STUDENTS
2278:
2279: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2280: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2281: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2282: my $namechoice='<choice></choice>';
2283: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2284: if ($name =~ /^error: 2 /) { next; }
2285: if ($name =~ /^type\0/) { next; }
2286: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2287: }
2288:
2289:
2290: my %code_values;
2291: my %codes_to_print;
2292: foreach my $key (@names) {
2293: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2294: foreach my $key (keys(%code_values)) {
2295: $codes_to_print{$key} = 1;
2296: }
2297: }
2298:
2299: my $code_selection = "<choice></choice>\n";
2300: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
2301: my $choice = $code;
2302: if ($code =~ /^[A-Z]+$/) { # Alpha code
2303: $choice = &letters_to_num($code);
2304: }
2305: $code_selection .= ' <choice computer="'.$choice.'">'.$code."</choice>\n";
2306: }
2307: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2308: my $codechoice='';
2309: foreach my $line (<FH>) {
2310: my ($name,$description,$code_type,$code_length)=
2311: (split(/:/,$line))[0,1,2,4];
2312: if ($code_length > 0 &&
2313: $code_type =~/^(letter|number|-1)/) {
2314: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2315: }
2316: }
2317: if ($codechoice eq '') {
2318: $codechoice='<choice computer="default">Default</choice>';
2319: }
2320: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2321: <state name="CHOOSE_ANON1" title="Select Students and Resources">
2322: <nextstate>SELECT_PROBLEMS</nextstate>
2323: <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
2324: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2325: <validator>
2326: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2327: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2328: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2329: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2330: return "You need to specify the number of assignments to print";
2331: }
2332: return undef;
2333: </validator>
2334: </string>
2335: <message></td></tr><tr><td></message>
2336: <message><b>Names to store the CODEs under for later:</b></message>
2337: <message></td><td></message>
2338: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2339: <message></td></tr><tr><td></message>
2340: <message><b>Bubble sheet type:</b></message>
2341: <message></td><td></message>
2342: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2343: $codechoice
2344: </dropdown>
2345: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2346: <message></td></tr><tr><td></message>
2347: <message><b>Enter a CODE to print:</b></td><td></message>
2348: <string variable="SINGLE_CODE" size="10">
2349: <validator>
2350: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2351: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2352: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2353: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2354: \$helper->{'VARS'}{'CODE_OPTION'});
2355: } else {
2356: return undef; # Other forces control us.
2357: }
2358: </validator>
2359: </string>
2360: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2361: <message><b>Reprint a set of saved CODEs:</b></message>
2362: <message></td><td></message>
2363: <dropdown variable="REUSE_OLD_CODES">
2364: $namechoice
2365: </dropdown>
2366: <message></td></tr></table></message>
2367: <message><hr width='33%' /></message>
2368: </state>
2369: $resource_selector
2370: CHOOSE_ANON1
2371:
2372:
2373: if ($helper->{VARS}->{'assignment'}) {
2374: 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'];
2375: 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'];
2376: }
2377:
2378:
2379: $resource_selector=<<RESOURCE_SELECTOR;
2380: <state name="SELECT_RESOURCES" title="Select Resources">
2381: <nextstate>PRINT_FORMATTING</nextstate>
2382: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2383: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2384: closeallpages="1">
2385: <filterfunc>return $isNotMap;</filterfunc>
2386: <mapurl>$map</mapurl>
2387: <valuefunc>return $symbFilter;</valuefunc>
2388: <option text='Newpage' variable='FINISHPAGE' />
2389: </resource>
2390: </state>
2391: <state name="PRINT_FORMATTING" title="Format of the print job">
2392: <nextstate>NUMBER_PER_PDF</nextstate>
2393: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2394: <choices variable="EMPTY_PAGES">
2395: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2396: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2397: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2398: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2399: </choices>
2400: </state>
2401: <state name="NUMBER_PER_PDF" title="Number assignments per pdf">
2402: <nextstate>PAGESIZE</nextstate>
2403: <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
2404: <choices variable="SPLIT_PDFS">
2405: <choice computer="all">All assignments in a single PDF file</choice>
2406: <choice computer="sections">Each PDF contains exactly one section</choice>
2407: <choice computer="oneper">Each PDF contains exactly one assignment</choice>
2408: <choice computer="usenumber">Specify Number:</choice>
2409: </choices>
2410: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2411: </state>
2412: RESOURCE_SELECTOR
2413:
2414: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2415: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2416: <choices variable='student_sort'>
2417: <choice computer='0'>Sort by section then student</choice>
2418: <choice computer='1'>Sort by students across sections.</choice>
2419: </choices>
2420: <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
2421:
2422: </state>
2423: $resource_selector
2424: CHOOSE_STUDENTS1
2425:
2426: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2427: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2428: <nextstate>SELECT_RESOURCES</nextstate>
2429: <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
2430: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2431: <validator>
2432: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2433: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2434: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2435: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2436: return "You need to specify the number of assignments to print";
2437: }
2438: return undef;
2439: </validator>
2440: </string>
2441: <message></td></tr><tr><td></message>
2442: <message><b>Names to store the CODEs under for later:</b></message>
2443: <message></td><td></message>
2444: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2445: <message></td></tr><tr><td></message>
2446: <message><b>Bubble sheet type:</b></message>
2447: <message></td><td></message>
2448: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2449: $codechoice
2450: </dropdown>
2451: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2452: <message></td></tr><tr><td></message>
2453: <message><b>Enter a CODE to print:</b></td><td></message>
2454: <string variable="SINGLE_CODE" size="10">
2455: <validator>
2456: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2457: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2458: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2459: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2460: \$helper->{'VARS'}{'CODE_OPTION'});
2461: } else {
2462: return undef; # Other forces control us.
2463: }
2464: </validator>
2465: </string>
2466: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2467: <message><b>Reprint a set of saved CODEs:</b></message>
2468: <message></td><td></message>
2469: <dropdown variable="REUSE_OLD_CODES">
2470: $namechoice
2471: </dropdown>
2472: <message></td></tr></table></message>
2473: <message><hr width='33%' /></message>
2474: </state>
2475: $resource_selector
2476: CHOOSE_ANON2
2477: }
2478:
2479: # FIXME: That RE should come from a library somewhere.
2480: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2481: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2482:
2483: my $f = '$filename';
2484: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2485: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2486: <message>(mark them then click "next" button) <br /></message>
2487: <files variable="FILES" multichoice='1'>
2488: <nextstate>PAGESIZE</nextstate>
2489: <filechoice>return '$subdir';</filechoice>
2490: CHOOSE_FROM_SUBDIR
2491:
2492: # this is broken up because I really want interpolation above,
2493: # and I really DON'T want it below
2494: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2495: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2496: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2497: </filefilter>
2498: </files>
2499: </state>
2500: CHOOSE_FROM_SUBDIR
2501: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2502: }
2503:
2504: # Allow the user to select any sequence in the course, feed it to
2505: # another resource selector for that sequence
2506: if (!$helper->{VARS}->{'construction'}) {
2507: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
2508: 'select_sequences', 'CHOOSE_SEQUENCE'];
2509: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2510: #Escape apostrophes and backslashes for Perl
2511: $escapedSequenceName =~ s/\\/\\\\/g;
2512: $escapedSequenceName =~ s/'/\\'/g;
2513: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2514: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2515: <message>Select the sequence to print resources from:</message>
2516: <resource variable="SEQUENCE">
2517: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2518: <filterfunc>return \$res->is_sequence;</filterfunc>
2519: <valuefunc>return $urlValue;</valuefunc>
2520: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2521: </choicefunc>
2522: </resource>
2523: </state>
2524: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2525: <message>(mark desired resources then click "next" button) <br /></message>
2526: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2527: closeallpages="1">
2528: <nextstate>PAGESIZE</nextstate>
2529: <filterfunc>return $isProblem</filterfunc>
2530: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2531: <valuefunc>return $symbFilter;</valuefunc>
2532: <option text='Newpage' variable='FINISHPAGE' />
2533: </resource>
2534: </state>
2535: CHOOSE_FROM_ANY_SEQUENCE
2536: }
2537:
2538: # Generate the first state, to select which resources get printed.
2539: Apache::lonhelper::state->new("START", "Select Printing Options:");
2540: $paramHash = Apache::lonhelper::getParamHash();
2541: $paramHash->{MESSAGE_TEXT} = "";
2542: Apache::lonhelper::message->new();
2543: $paramHash = Apache::lonhelper::getParamHash();
2544: $paramHash->{'variable'} = 'PRINT_TYPE';
2545: $paramHash->{CHOICES} = $printChoices;
2546: Apache::lonhelper::choices->new();
2547:
2548: my $startedTable = 0; # have we started an HTML table yet? (need
2549: # to close it later)
2550:
2551: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2552: ($helper->{VARS}->{'construction'} eq '1')) {
2553: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2554: $paramHash = Apache::lonhelper::getParamHash();
2555: $paramHash->{'variable'} = 'ANSWER_TYPE';
2556: $helper->declareVar('ANSWER_TYPE');
2557: $paramHash->{CHOICES} = [
2558: ['Without Answers', 'yes'],
2559: ['With Answers', 'no'],
2560: ['Only Answers', 'only']
2561: ];
2562: Apache::lonhelper::dropdown->new();
2563: addMessage("</td></tr>");
2564: $startedTable = 1;
2565: }
2566:
2567: if ($perm{'pav'}) {
2568: if (!$startedTable) {
2569: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2570: $startedTable = 1;
2571: } else {
2572: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2573: }
2574: $paramHash = Apache::lonhelper::getParamHash();
2575: $paramHash->{'variable'} = 'LATEX_TYPE';
2576: $helper->declareVar('LATEX_TYPE');
2577: if ($helper->{VARS}->{'construction'} eq '1') {
2578: $paramHash->{CHOICES} = [
2579: ['standard LaTeX mode', 'standard'],
2580: ['LaTeX batchmode', 'batchmode'], ];
2581: } else {
2582: $paramHash->{CHOICES} = [
2583: ['LaTeX batchmode', 'batchmode'],
2584: ['standard LaTeX mode', 'standard'] ];
2585: }
2586: Apache::lonhelper::dropdown->new();
2587:
2588: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2589: $paramHash = Apache::lonhelper::getParamHash();
2590: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2591: $helper->declareVar('TABLE_CONTENTS');
2592: $paramHash->{CHOICES} = [
2593: ['No', 'no'],
2594: ['Yes', 'yes'] ];
2595: Apache::lonhelper::dropdown->new();
2596: addMessage("</td></tr>");
2597:
2598: if (not $helper->{VARS}->{'construction'}) {
2599: addMessage("<tr><td align='right'>Print Index: </td><td>");
2600: $paramHash = Apache::lonhelper::getParamHash();
2601: $paramHash->{'variable'} = 'TABLE_INDEX';
2602: $helper->declareVar('TABLE_INDEX');
2603: $paramHash->{CHOICES} = [
2604: ['No', 'no'],
2605: ['Yes', 'yes'] ];
2606: Apache::lonhelper::dropdown->new();
2607: addMessage("</td></tr>");
2608: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2609: $paramHash = Apache::lonhelper::getParamHash();
2610: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2611: $helper->declareVar('PRINT_DISCUSSIONS');
2612: $paramHash->{CHOICES} = [
2613: ['No', 'no'],
2614: ['Yes', 'yes'] ];
2615: Apache::lonhelper::dropdown->new();
2616: addMessage("</td></tr>");
2617:
2618: addMessage("<tr><td align = 'right'> </td><td>");
2619: $paramHash = Apache::lonhelper::getParamHash();
2620: $paramHash->{'multichoice'} = "true";
2621: $paramHash->{'allowempty'} = "true";
2622: $paramHash->{'variable'} = "showallfoils";
2623: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2624: Apache::lonhelper::choices->new();
2625: addMessage("</td></tr>");
2626: }
2627:
2628: if ($helper->{'VARS'}->{'construction'}) {
2629: my $stylevalue=$env{'construct.style'};
2630: my $xmlfrag .= <<"RNDSEED";
2631: <message><tr><td align='right'>Use random seed: </td><td></message>
2632: <string variable="curseed" size="15" maxlength="15">
2633: <defaultvalue>
2634: return $helper->{VARS}->{'curseed'};
2635: </defaultvalue>
2636: </string>
2637: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2638: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
2639: <choices allowempty="1" multichoice="true" variable="showallfoils">
2640: <choice computer="1">Show all foils?</choice>
2641: </choices>
2642: <message></td></tr></message>
2643: RNDSEED
2644: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2645: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2646:
2647: }
2648: }
2649:
2650:
2651:
2652:
2653: if ($startedTable) {
2654: addMessage("</table>");
2655: }
2656:
2657: Apache::lonprintout::page_format_state->new("FORMAT");
2658:
2659: # Generate the PAGESIZE state which will offer the user the margin
2660: # choices if they select one column
2661: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2662: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2663:
2664:
2665: $helper->process();
2666:
2667:
2668: # MANUAL BAILOUT CONDITION:
2669: # If we're in the "final" state, bailout and return to handler
2670: if ($helper->{STATE} eq 'FINAL') {
2671: return $helper;
2672: }
2673:
2674: $r->print($helper->display());
2675: if ($helper->{STATE} eq 'START') {
2676: &recently_generated($r);
2677: }
2678: &Apache::lonhelper::unregisterHelperTags();
2679:
2680: return OK;
2681: }
2682:
2683:
2684: 1;
2685:
2686: package Apache::lonprintout::page_format_state;
2687:
2688: =pod
2689:
2690: =head1 Helper element: page_format_state
2691:
2692: See lonhelper.pm documentation for discussion of the helper framework.
2693:
2694: Apache::lonprintout::page_format_state is an element that gives the
2695: user an opportunity to select the page layout they wish to print
2696: with: Number of columns, portrait/landscape, and paper size. If you
2697: want to change the paper size choices, change the @paperSize array
2698: contents in this package.
2699:
2700: page_format_state is always directly invoked in lonprintout.pm, so there
2701: is no tag interface. You actually pass parameters to the constructor.
2702:
2703: =over 4
2704:
2705: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2706:
2707: =back
2708:
2709: =cut
2710:
2711: use Apache::lonhelper;
2712:
2713: no strict;
2714: @ISA = ("Apache::lonhelper::element");
2715: use strict;
2716: use Apache::lonlocal;
2717: use Apache::lonnet;
2718:
2719: my $maxColumns = 2;
2720: # it'd be nice if these all worked
2721: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2722: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2723: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2724: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2725: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2726: "a4 [210x297 mm]");
2727:
2728: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2729: # Paper type
2730:
2731: sub new {
2732: my $self = Apache::lonhelper::element->new();
2733:
2734: shift;
2735:
2736: $self->{'variable'} = shift;
2737: my $helper = Apache::lonhelper::getHelper();
2738: $helper->declareVar($self->{'variable'});
2739: bless($self);
2740: return $self;
2741: }
2742:
2743: sub render {
2744: my $self = shift;
2745: my $helper = Apache::lonhelper::getHelper();
2746: my $result = '';
2747: my $var = $self->{'variable'};
2748: my $PageLayout=&mt('Page layout');
2749: my $NumberOfColumns=&mt('Number of columns');
2750: my $PaperType=&mt('Paper type');
2751: $result .= <<STATEHTML;
2752:
2753: <hr width="33%" />
2754: <table cellpadding="3">
2755: <tr>
2756: <td align="center"><b>$PageLayout</b></td>
2757: <td align="center"><b>$NumberOfColumns</b></td>
2758: <td align="center"><b>$PaperType</b></td>
2759: </tr>
2760: <tr>
2761: <td>
2762: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2763: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2764: </td>
2765: <td align="center">
2766: <select name="${var}.cols">
2767: STATEHTML
2768:
2769: my $i;
2770: for ($i = 1; $i <= $maxColumns; $i++) {
2771: if ($i == 2) {
2772: $result .= "<option value='$i' selected>$i</option>\n";
2773: } else {
2774: $result .= "<option value='$i'>$i</option>\n";
2775: }
2776: }
2777:
2778: $result .= "</select></td><td>\n";
2779: $result .= "<select name='${var}.paper'>\n";
2780:
2781: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2782: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
2783: $DefaultPaperSize=~s/\s//g;
2784: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2785: $i = 0;
2786: foreach (@paperSize) {
2787: $_=~/(\w+)/;
2788: my $papersize=$1;
2789: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2790: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2791: } else {
2792: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2793: }
2794: $i++;
2795: }
2796: $result .= "</select></td></tr></table>";
2797: return $result;
2798: }
2799:
2800: sub postprocess {
2801: my $self = shift;
2802:
2803: my $var = $self->{'variable'};
2804: my $helper = Apache::lonhelper->getHelper();
2805: $helper->{VARS}->{$var} =
2806: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2807: $env{"form.$var.paper"};
2808: return 1;
2809: }
2810:
2811: 1;
2812:
2813: package Apache::lonprintout::page_size_state;
2814:
2815: =pod
2816:
2817: =head1 Helper element: page_size_state
2818:
2819: See lonhelper.pm documentation for discussion of the helper framework.
2820:
2821: Apache::lonprintout::page_size_state is an element that gives the
2822: user the opportunity to further refine the page settings if they
2823: select a single-column page.
2824:
2825: page_size_state is always directly invoked in lonprintout.pm, so there
2826: is no tag interface. You actually pass parameters to the constructor.
2827:
2828: =over 4
2829:
2830: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2831:
2832: =back
2833:
2834: =cut
2835:
2836: use Apache::lonhelper;
2837: use Apache::lonnet;
2838: no strict;
2839: @ISA = ("Apache::lonhelper::element");
2840: use strict;
2841:
2842:
2843:
2844: sub new {
2845: my $self = Apache::lonhelper::element->new();
2846:
2847: shift; # disturbs me (probably prevents subclassing) but works (drops
2848: # package descriptor)... - Jeremy
2849:
2850: $self->{'variable'} = shift;
2851: my $helper = Apache::lonhelper::getHelper();
2852: $helper->declareVar($self->{'variable'});
2853:
2854: # The variable name of the format element, so we can look into
2855: # $helper->{VARS} to figure out whether the columns are one or two
2856: $self->{'formatvar'} = shift;
2857:
2858: # The state to transition to after selection, or after discovering
2859: # the cols are not set to 1
2860: $self->{NEXTSTATE} = shift;
2861: bless($self);
2862: return $self;
2863: }
2864:
2865: sub render {
2866: my $self = shift;
2867: my $helper = Apache::lonhelper::getHelper();
2868: my $result = '';
2869: my $var = $self->{'variable'};
2870:
2871: if (defined $self->{ERROR_MSG}) {
2872: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2873: }
2874:
2875: $result .= <<ELEMENTHTML;
2876:
2877: <p>How should the column be formatted?</p>
2878:
2879: <table cellpadding='3'>
2880: <tr>
2881: <td align='right'><b>Width</b>:</td>
2882: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2883: <td align='left'>
2884: <select name='$var.widthunit'>
2885: <option>cm</option><option>in</option>
2886: </select>
2887: </td>
2888: </tr>
2889: <tr>
2890: <td align='right'><b>Height</b>:</td>
2891: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2892: <td align='left'>
2893: <select name='$var.heightunit'>
2894: <option>cm</option><option>in</option>
2895: </select>
2896: </td>
2897: </tr>
2898: <tr>
2899: <td align='right'><b>Left margin</b>:</td>
2900: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2901: <td align='left'>
2902: <select name='$var.lmarginunit'>
2903: <option>cm</option><option>in</option>
2904: </select>
2905: </td>
2906: </tr>
2907: </table>
2908:
2909: <p>Hint: Some instructors like to leave scratch space for the student by
2910: making the width much smaller than the width of the page.</p>
2911:
2912: ELEMENTHTML
2913:
2914: return $result;
2915: }
2916:
2917: # If the user didn't select 1 column, skip this state.
2918: sub preprocess {
2919: my $self = shift;
2920: my $helper = Apache::lonhelper::getHelper();
2921:
2922: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2923: if (substr($format, 2, 1) ne '1') {
2924: $helper->changeState($self->{NEXTSTATE});
2925: }
2926:
2927: return 1;
2928: }
2929:
2930: sub postprocess {
2931: my $self = shift;
2932:
2933: my $var = $self->{'variable'};
2934: my $helper = Apache::lonhelper->getHelper();
2935: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
2936: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
2937: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
2938: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
2939: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
2940: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
2941:
2942: my $error = '';
2943:
2944: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2945: # by an optional period, followed by digits, ending the string
2946:
2947: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2948: $error .= "Invalid width; please type only a number.<br />\n";
2949: }
2950: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2951: $error .= "Invalid height; please type only a number.<br />\n";
2952: }
2953: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2954: $error .= "Invalid left margin; please type only a number.<br />\n";
2955: }
2956:
2957: if (!$error) {
2958: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2959: return 1;
2960: } else {
2961: $self->{ERROR_MSG} = $error;
2962: return 0;
2963: }
2964: }
2965:
2966:
2967:
2968: __END__
2969:
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