1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.399 2005/11/15 12:37:11 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:
45: my %perm;
46:
47: #
48: # Convert a numeric code to letters
49: #
50: sub num_to_letters {
51: my ($num) = @_;
52: my @nums= split('',$num);
53: my @num_to_let=('A'..'Z');
54: my $word;
55: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
56: return $word;
57: }
58: # Convert a letter code to numeric.
59: #
60: sub letters_to_num {
61: my ($letters) = @_;
62: my @letters = split('', uc($letters));
63: my %substitution;
64: my $digit = 0;
65: foreach my $letter ('A'..'J') {
66: $substitution{$letter} = $digit;
67: $digit++;
68: }
69: # The substitution is done as below to preserve leading
70: # zeroes which are needed to keep the code size exact
71: #
72: my $result ="";
73: foreach my $letter (@letters) {
74: $result.=$substitution{$letter};
75: }
76: return $result;
77: }
78:
79: # Determine if a code is a valid numeric code. Valid
80: # numeric codes must be comprised entirely of digits and
81: # have a correct number of digits.
82: #
83: # Parameters:
84: # value - proposed code value.
85: # num_digits - Number of digits required.
86: #
87: sub is_valid_numeric_code {
88: my ($value, $num_digits) = @_;
89: # Remove leading/trailing whitespace;
90: $value =~ s/^\s*//g;
91: $value =~ s/\s*$//g;
92:
93: # All digits?
94: if ($value !~ /^[0-9]+$/) {
95: return "Numeric code $value has invalid characters - must only be digits";
96: }
97: if (length($value) != $num_digits) {
98: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
99: }
100: return undef;
101: }
102: # Determines if a code is a valid alhpa code. Alpha codes
103: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
104: # They also have a correct digit count.
105: # Parameters:
106: # value - Proposed code value.
107: # num_letters - correct number of letters.
108: # Note:
109: # leading and trailing whitespace are ignored.
110: #
111: sub is_valid_alpha_code {
112: my ($value, $num_letters) = @_;
113:
114: # strip leading and trailing spaces.
115:
116: $value =~ s/^\s*//g;
117: $value =~ s/\s*$//g;
118:
119: # All alphas in the right range?
120: if ($value !~ /^[A-J,a-j]+$/) {
121: return "Invalid letter code $value must only contain A-J";
122: }
123: if (length($value) != $num_letters) {
124: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
125: }
126: return undef;
127: }
128:
129: # Determine if a code entered by the user in a helper is valid.
130: # valid depends on the code type and the type of code selected.
131: # The type of code selected can either be numeric or
132: # Alphabetic. If alphabetic, the code, in fact is a simple
133: # substitution cipher for the actual numeric code: 0->A, 1->B ...
134: # We'll be nice and be case insensitive for alpha codes.
135: # Parameters:
136: # code_value - the value of the code the user typed in.
137: # code_option - The code type selected from the set in the scantron format
138: # table.
139: # Returns:
140: # undef - The code is valid.
141: # other - An error message indicating what's wrong.
142: #
143: sub is_code_valid {
144: my ($code_value, $code_option) = @_;
145: my ($code_type, $code_length) = ('letter', 6); # defaults.
146: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
147: foreach my $line (<FG>) {
148: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
149: if($name eq $code_option) {
150: $code_length = $length;
151: if($type eq 'number') {
152: $code_type = 'number';
153: }
154: }
155: }
156: my $valid;
157: if ($code_type eq 'number') {
158: return &is_valid_numeric_code($code_value, $code_length);
159: } else {
160: return &is_valid_alpha_code($code_value, $code_length);
161: }
162:
163: }
164:
165: # Compare two students by name. The students are in the form
166: # returned by the helper:
167: # user:domain:section:last, first:status
168: # This is a helper function for the perl sort built-in therefore:
169: # Implicit Inputs:
170: # $a - The first element to compare (global)
171: # $b - The second element to compare (global)
172: # Returns:
173: # -1 - $a < $b
174: # 0 - $a == $b
175: # +1 - $a > $b
176: # Note that the initial comparison is done on the last names with the
177: # first names only used to break the tie.
178: #
179: #
180: sub compare_names {
181: # First split the names up into the primary fields.
182:
183: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
184: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
185:
186: # Now split the last name and first name of each n:
187: #
188:
189: my ($l1,$f1) = split(/,/, $n1);
190: my ($l2,$f2) = split(/,/, $n2);
191:
192: # We don't bother to remove the leading/trailing whitespace from the
193: # firstname, unless the last names compare identical.
194:
195: if($l1 lt $l2) {
196: return -1;
197: }
198: if($l1 gt $l2) {
199: return 1;
200: }
201:
202: # Break the tie on the first name, but there are leading (possibly trailing
203: # whitespaces to get rid of first
204: #
205: $f1 =~ s/^\s+//; # Remove leading...
206: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
207:
208: $f2 =~ s/^\s+//;
209: $f2 =~ s/\s+$//; # And the same for first 2...
210:
211: if($f1 lt $f2) {
212: return -1;
213: }
214: if($f1 gt $f2) {
215: return 1;
216: }
217:
218: # Must be the same name.
219:
220: return 0;
221: }
222:
223: sub latex_header_footer_remove {
224: my $text = shift;
225: $text =~ s/\\end{document}//;
226: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
227: return $text;
228: }
229:
230:
231: sub character_chart {
232: my $result = shift;
233: $result =~ s/&\#0?0?(7|9);//g;
234: $result =~ s/&\#0?(10|13);//g;
235: $result =~ s/&\#0?32;/ /g;
236: $result =~ s/&\#0?33;/!/g;
237: $result =~ s/&(\#0?34|quot);/\"/g;
238: $result =~ s/&\#0?35;/\\\#/g;
239: $result =~ s/&\#0?36;/\\\$/g;
240: $result =~ s/&\#0?37;/\\%/g;
241: $result =~ s/&(\#0?38|amp);/\\&/g;
242: $result =~ s/&\#(0?39|146);/\'/g;
243: $result =~ s/&\#0?40;/(/g;
244: $result =~ s/&\#0?41;/)/g;
245: $result =~ s/&\#0?42;/\*/g;
246: $result =~ s/&\#0?43;/\+/g;
247: $result =~ s/&\#(0?44|130);/,/g;
248: $result =~ s/&\#0?45;/-/g;
249: $result =~ s/&\#0?46;/\./g;
250: $result =~ s/&\#0?47;/\//g;
251: $result =~ s/&\#0?48;/0/g;
252: $result =~ s/&\#0?49;/1/g;
253: $result =~ s/&\#0?50;/2/g;
254: $result =~ s/&\#0?51;/3/g;
255: $result =~ s/&\#0?52;/4/g;
256: $result =~ s/&\#0?53;/5/g;
257: $result =~ s/&\#0?54;/6/g;
258: $result =~ s/&\#0?55;/7/g;
259: $result =~ s/&\#0?56;/8/g;
260: $result =~ s/&\#0?57;/9/g;
261: $result =~ s/&\#0?58;/:/g;
262: $result =~ s/&\#0?59;/;/g;
263: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
264: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
265: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
266: $result =~ s/&\#0?63;/\?/g;
267: $result =~ s/&\#0?65;/A/g;
268: $result =~ s/&\#0?66;/B/g;
269: $result =~ s/&\#0?67;/C/g;
270: $result =~ s/&\#0?68;/D/g;
271: $result =~ s/&\#0?69;/E/g;
272: $result =~ s/&\#0?70;/F/g;
273: $result =~ s/&\#0?71;/G/g;
274: $result =~ s/&\#0?72;/H/g;
275: $result =~ s/&\#0?73;/I/g;
276: $result =~ s/&\#0?74;/J/g;
277: $result =~ s/&\#0?75;/K/g;
278: $result =~ s/&\#0?76;/L/g;
279: $result =~ s/&\#0?77;/M/g;
280: $result =~ s/&\#0?78;/N/g;
281: $result =~ s/&\#0?79;/O/g;
282: $result =~ s/&\#0?80;/P/g;
283: $result =~ s/&\#0?81;/Q/g;
284: $result =~ s/&\#0?82;/R/g;
285: $result =~ s/&\#0?83;/S/g;
286: $result =~ s/&\#0?84;/T/g;
287: $result =~ s/&\#0?85;/U/g;
288: $result =~ s/&\#0?86;/V/g;
289: $result =~ s/&\#0?87;/W/g;
290: $result =~ s/&\#0?88;/X/g;
291: $result =~ s/&\#0?89;/Y/g;
292: $result =~ s/&\#0?90;/Z/g;
293: $result =~ s/&\#0?91;/[/g;
294: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
295: $result =~ s/&\#0?93;/]/g;
296: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
297: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
298: $result =~ s/&\#(0?96|145);/\`/g;
299: $result =~ s/&\#0?97;/a/g;
300: $result =~ s/&\#0?98;/b/g;
301: $result =~ s/&\#0?99;/c/g;
302: $result =~ s/&\#100;/d/g;
303: $result =~ s/&\#101;/e/g;
304: $result =~ s/&\#102;/f/g;
305: $result =~ s/&\#103;/g/g;
306: $result =~ s/&\#104;/h/g;
307: $result =~ s/&\#105;/i/g;
308: $result =~ s/&\#106;/j/g;
309: $result =~ s/&\#107;/k/g;
310: $result =~ s/&\#108;/l/g;
311: $result =~ s/&\#109;/m/g;
312: $result =~ s/&\#110;/n/g;
313: $result =~ s/&\#111;/o/g;
314: $result =~ s/&\#112;/p/g;
315: $result =~ s/&\#113;/q/g;
316: $result =~ s/&\#114;/r/g;
317: $result =~ s/&\#115;/s/g;
318: $result =~ s/&\#116;/t/g;
319: $result =~ s/&\#117;/u/g;
320: $result =~ s/&\#118;/v/g;
321: $result =~ s/&\#119;/w/g;
322: $result =~ s/&\#120;/x/g;
323: $result =~ s/&\#121;/y/g;
324: $result =~ s/&\#122;/z/g;
325: $result =~ s/&\#123;/\\{/g;
326: $result =~ s/&\#124;/\|/g;
327: $result =~ s/&\#125;/\\}/g;
328: $result =~ s/&\#126;/\~/g;
329: $result =~ s/&\#131;/\\textflorin /g;
330: $result =~ s/&\#132;/\"/g;
331: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
332: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
333: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
334: $result =~ s/&\#137;/\\textperthousand /g;
335: $result =~ s/&\#140;/{\\OE}/g;
336: $result =~ s/&\#147;/\`\`/g;
337: $result =~ s/&\#148;/\'\'/g;
338: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
339: $result =~ s/&\#150;/--/g;
340: $result =~ s/&\#151;/---/g;
341: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
342: $result =~ s/&\#153;/\\texttrademark /g;
343: $result =~ s/&\#156;/\\oe/g;
344: $result =~ s/&\#159;/\\\"Y/g;
345: $result =~ s/&(\#160|nbsp);/~/g;
346: $result =~ s/&(\#161|iexcl);/!\`/g;
347: $result =~ s/&(\#162|cent);/\\textcent /g;
348: $result =~ s/&(\#163|pound);/\\pounds /g;
349: $result =~ s/&(\#164|curren);/\\textcurrency /g;
350: $result =~ s/&(\#165|yen);/\\textyen /g;
351: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
352: $result =~ s/&(\#167|sect);/\\textsection /g;
353: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
354: $result =~ s/&(\#169|copy);/\\copyright /g;
355: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
356: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
357: $result =~ s/&(\#173|shy);/ - /g;
358: $result =~ s/&(\#174|reg);/\\textregistered /g;
359: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
360: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
361: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
362: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
363: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
364: $result =~ s/&(\#180|acute);/\\textacute /g;
365: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
366: $result =~ s/&(\#182|para);/\\P/g;
367: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
368: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
369: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
370: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
371: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
372: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
373: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
374: $result =~ s/&(\#191|iquest);/?\`/g;
375: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
376: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
377: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
378: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
379: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
380: $result =~ s/&(\#197|Aring);/{\\AA}/g;
381: $result =~ s/&(\#198|AElig);/{\\AE}/g;
382: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
383: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
384: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
385: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
386: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
387: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
388: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
389: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
390: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
391: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
392: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
393: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
394: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
395: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
396: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
397: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
398: $result =~ s/&(\#216|Oslash);/{\\O}/g;
399: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
400: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
401: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
402: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
403: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
404: $result =~ s/&(\#223|szlig);/{\\ss}/g;
405: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
406: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
407: $result =~ s/&(\#226|acirc);/\\^{a}/g;
408: $result =~ s/&(\#227|atilde);/\\~{a}/g;
409: $result =~ s/&(\#228|auml);/\\\"{a}/g;
410: $result =~ s/&(\#229|aring);/{\\aa}/g;
411: $result =~ s/&(\#230|aelig);/{\\ae}/g;
412: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
413: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
414: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
415: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
416: $result =~ s/&(\#235|euml);/\\\"{e}/g;
417: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
418: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
419: $result =~ s/&(\#238|icirc);/\\^{i}/g;
420: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
421: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
422: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
423: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
424: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
425: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
426: $result =~ s/&(\#245|otilde);/\\~{o}/g;
427: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
428: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
429: $result =~ s/&(\#248|oslash);/{\\o}/g;
430: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
431: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
432: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
433: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
434: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
435: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
436: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
437: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
438: #Greek Alphabet
439: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
440: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
441: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
442: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
443: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
444: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
445: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
446: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
447: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
448: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
449: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
450: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
451: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
452: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
453: $result =~ s/&(omicron|\#959);/o/g;
454: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
455: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
456: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
457: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
458: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
459: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
460: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
461: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
462: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
463: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
464: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
465: $result =~ s/&(Alpha|\#913);/A/g;
466: $result =~ s/&(Beta|\#914);/B/g;
467: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
468: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
469: $result =~ s/&(Epsilon|\#917);/E/g;
470: $result =~ s/&(Zeta|\#918);/Z/g;
471: $result =~ s/&(Eta|\#919);/H/g;
472: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
473: $result =~ s/&(Iota|\#921);/I/g;
474: $result =~ s/&(Kappa|\#922);/K/g;
475: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
476: $result =~ s/&(Mu|\#924);/M/g;
477: $result =~ s/&(Nu|\#925);/N/g;
478: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
479: $result =~ s/&(Omicron|\#927);/O/g;
480: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
481: $result =~ s/&(Rho|\#929);/P/g;
482: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
483: $result =~ s/&(Tau|\#932);/T/g;
484: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
485: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
486: $result =~ s/&(Chi|\#935);/X/g;
487: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
488: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
489: #Arrows (extended HTML 4.01)
490: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
491: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
492: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
493: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
494: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
495: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
496: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
497: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
498: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
499: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
500: #Mathematical Operators (extended HTML 4.01)
501: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
502: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
503: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
504: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
505: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
506: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
507: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
508: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
509: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
510: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
511: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
512: $result =~ s/–/\\ensuremath\{-\}/g;
513: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
514: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
515: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
516: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
517: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
518: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
519: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
520: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
521: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
522: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
523: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
524: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
525: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
526: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
527: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
528: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
529: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
530: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
531: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
532: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
533: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
534: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
535: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
536: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
537: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
538: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
539: #Geometric Shapes (extended HTML 4.01)
540: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
541: #Miscellaneous Symbols (extended HTML 4.01)
542: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
543: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
544: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
545: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
546: return $result;
547: }
548:
549:
550: #width, height, oddsidemargin, evensidemargin, topmargin
551: my %page_formats=
552: ('letter' => {
553: 'book' => {
554: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
555: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
556: },
557: 'album' => {
558: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'],
559: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
560: },
561: },
562: 'legal' => {
563: 'book' => {
564: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
565: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
566: },
567: 'album' => {
568: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
569: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
570: },
571: },
572: 'tabloid' => {
573: 'book' => {
574: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
575: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
576: },
577: 'album' => {
578: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
579: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
580: },
581: },
582: 'executive' => {
583: 'book' => {
584: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
585: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
586: },
587: 'album' => {
588: '1' => [],
589: '2' => []
590: },
591: },
592: 'a2' => {
593: 'book' => {
594: '1' => [],
595: '2' => []
596: },
597: 'album' => {
598: '1' => [],
599: '2' => []
600: },
601: },
602: 'a3' => {
603: 'book' => {
604: '1' => [],
605: '2' => []
606: },
607: 'album' => {
608: '1' => [],
609: '2' => []
610: },
611: },
612: 'a4' => {
613: 'book' => {
614: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
615: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
616: },
617: 'album' => {
618: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
619: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
620: },
621: },
622: 'a5' => {
623: 'book' => {
624: '1' => [],
625: '2' => []
626: },
627: 'album' => {
628: '1' => [],
629: '2' => []
630: },
631: },
632: 'a6' => {
633: 'book' => {
634: '1' => [],
635: '2' => []
636: },
637: 'album' => {
638: '1' => [],
639: '2' => []
640: },
641: },
642: );
643:
644: sub page_format {
645: #
646: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
647: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
648: # "A2 [420x594 mm]", "A3 [297x420 mm]",
649: # "A4 [210x297 mm]", "A5 [148x210 mm]",
650: # "A6 [105x148 mm]"
651: #
652: my ($papersize,$layout,$numberofcolumns) = @_;
653: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
654: }
655:
656:
657: sub get_name {
658: my ($uname,$udom)=@_;
659: if (!defined($uname)) { $uname=$env{'user.name'}; }
660: if (!defined($udom)) { $udom=$env{'user.domain'}; }
661: my $plainname=&Apache::loncommon::plainname($uname,$udom);
662: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
663: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
664: return $plainname;
665: }
666:
667: sub get_course {
668: my $courseidinfo;
669: if (defined($env{'request.course.id'})) {
670: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
671: }
672: return $courseidinfo;
673: }
674:
675: sub page_format_transformation {
676: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
677: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
678: if ($selectionmade eq '4') {
679: $assignment='Problems from the Whole Course';
680: } else {
681: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
682: }
683: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
684: my $name = &get_name();
685: my $courseidinfo = &get_course();
686: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
687: my $topmargintoinsert = '';
688: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
689: my $fancypagestatement='';
690: if ($numberofcolumns eq '2') {
691: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
692: } else {
693: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
694: }
695: if ($layout eq 'album') {
696: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
697: } elsif ($layout eq 'book') {
698: if ($choice ne 'All class print') {
699: $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/;
700: } else {
701: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
702: }
703: if ($papersize eq 'a4') {
704: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
705: }
706: }
707: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
708: if ($indexlist eq 'yes') {
709: $text=~s/(\\begin{document})/\\makeindex $1/;
710: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
711: }
712: return $text;
713: }
714:
715:
716: sub page_cleanup {
717: my $result = shift;
718:
719: $result =~ m/\\end{document}(\d*)$/;
720: my $number_of_columns = $1;
721: my $insert = '{';
722: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
723: $insert .= '}';
724: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
725: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
726: return $result,$number_of_columns;
727: }
728:
729:
730: sub details_for_menu {
731: my ($helper)=@_;
732: my $postdata=$env{'form.postdata'};
733: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
734: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
735: my $symbolic = &Apache::lonnet::symbread($postdata);
736: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
737: $map=&Apache::lonnet::clutter($map);
738: my $name_of_sequence = &Apache::lonnet::gettitle($map);
739: if ($name_of_sequence =~ /^\s*$/) {
740: $map =~ m|([^/]+)$|;
741: $name_of_sequence = $1;
742: }
743: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
744: if ($name_of_map =~ /^\s*$/) {
745: $env{'request.course.uri'} =~ m|([^/]+)$|;
746: $name_of_map = $1;
747: }
748: return ($name_of_resource,$name_of_sequence,$name_of_map);
749: }
750:
751:
752: sub latex_corrections {
753:
754: my ($number_of_columns,$result,$selectionmade) = @_;
755:
756: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
757: $result =~ s/\$number_of_columns/$number_of_columns/g;
758: if ($selectionmade ne '1') {
759: $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/;
760: } else {
761: $result =~ s/(\\end{document})/\\strut\\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/;
762: }
763: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
764: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
765: #-- LaTeX corrections
766: my $first_comment = index($result,'<!--',0);
767: while ($first_comment != -1) {
768: my $end_comment = index($result,'-->',$first_comment);
769: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
770: $first_comment = index($result,'<!--',$first_comment);
771: }
772: $result =~ s/^\s+$//gm; #remove empty lines
773: #removes more than one empty space
774: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
775: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
776: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
777: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
778: $result =~ s/\\\\\s+\[/ \[/g;
779: #conversion of html characters to LaTeX equivalents
780: if ($result =~ m/&(\w+|#\d+);/) {
781: $result = &character_chart($result);
782: }
783: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
784: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
785:
786: return $result;
787: }
788:
789:
790: sub index_table {
791: my $currentURL = shift;
792: my $insex_string='';
793: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
794: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
795: return $insex_string;
796: }
797:
798:
799: sub IndexCreation {
800: my ($texversion,$currentURL)=@_;
801: my @key_words=split(/,/,&index_table($currentURL));
802: my $chunk='';
803: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
804: if ($st>0) {
805: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
806: $chunk=substr($texversion,0,$st+1);
807: substr($texversion,0,$st+1)=' ';
808: }
809: foreach my $key_word (@key_words) {
810: if ($key_word=~/\S+/) {
811: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
812: }
813: }
814: if ($st>0) {substr($texversion,0,1)=$chunk;}
815: return $texversion;
816: }
817:
818: sub print_latex_header {
819: my $mode=shift;
820: my $output='\documentclass[letterpaper]{article}';
821: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
822: $output.='\batchmode';
823: }
824: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
825: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
826: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
827: '\usepackage{wrapfig}'.
828: '\usepackage{picins}\usepackage{calc}'."\n".
829: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
830: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
831: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
832: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
833: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
834: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
835: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
836: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
837: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
838: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
839: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
840: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
841: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
842: return $output;
843: }
844:
845: sub path_to_problem {
846: my ($urlp,$colwidth)=@_;
847: my $newurlp = '';
848: $colwidth=~s/\s*mm\s*$//;
849: #characters average about 2 mm in width
850: if (length($urlp)*2 > $colwidth) {
851: my @elements = split '/',$urlp;
852: my $curlength=0;
853: foreach my $element (@elements) {
854: if ($curlength+(length($element)*2) > $colwidth) {
855: $newurlp .= '|\vskip -1 mm \noindent \verb|';
856: $curlength=0;
857: } else {
858: $curlength+=length($element)*2;
859: }
860: $newurlp.='/'.$element;
861: }
862: } else {
863: $newurlp=$urlp;
864: }
865: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
866: }
867:
868: sub recalcto_mm {
869: my $textwidth=shift;
870: my $LaTeXwidth;
871: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
872: $LaTeXwidth = $1*10;
873: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
874: $LaTeXwidth = $1;
875: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
876: $LaTeXwidth = $1*25.4;
877: }
878: $LaTeXwidth.=' mm';
879: return $LaTeXwidth;
880: }
881:
882: sub get_textwidth {
883: my ($helper,$LaTeXwidth)=@_;
884: my $textwidth=$LaTeXwidth;
885: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
886: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
887: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
888: $helper->{'VARS'}->{'pagesize.widthunit'});
889: }
890: return $textwidth;
891: }
892:
893:
894: sub unsupported {
895: my ($currentURL,$mode)=@_;
896: if ($mode ne '') {$mode='\\'.$mode}
897: my $result.= &print_latex_header($mode);
898: if ($currentURL=~/\/ext\//) {
899: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
900: } else {
901: $result.=$currentURL;
902: }
903: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
904: return $result;
905: }
906:
907:
908: #
909: # List of recently generated print files
910: #
911:
912: sub recently_generated {
913: my $r=shift;
914: my $prtspool=$r->dir_config('lonPrtDir');
915: my $result;
916: opendir(DIR,$prtspool);
917: while (my $filename=readdir(DIR)) {
918: if ($filename=~/^$env{'user.name'}\_$env{'user.domain'}\_printout\_(\d+)\_.*.pdf$/) {
919: my ($cdev,$cino,$cmode,$cnlink,
920: $cuid,$cgid,$crdev,$csize,
921: $catime,$cmtime,$cctime,
922: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
923: $result.="<a href='/prtspool/$filename'>".
924: &mt('Generated [_1] ([_2] bytes)',
925: &Apache::lonlocal::locallocaltime($cctime),$csize).
926: '</a><br />';
927: }
928: }
929: closedir(DIR);
930: if ($result) {
931: $r->print('<h4>'.&mt('Recently generated printouts').'</h4>'."\n".
932: $result);
933: }
934: }
935:
936: #
937: # Retrieve the hash of page breaks.
938: #
939: # Inputs:
940: # helper - reference to helper object.
941: # Outputs
942: # A reference to a page break hash.
943: #
944: #
945:
946: sub get_page_breaks {
947: my ($helper) = @_;
948: my %page_breaks;
949:
950: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
951: $page_breaks{$break} = 1;
952: }
953:
954: return %page_breaks;
955: }
956:
957: sub output_data {
958: my ($r,$helper,$rparmhash) = @_;
959: my %parmhash = %$rparmhash;
960: my $resources_printed = '';
961: my $html=&Apache::lonxml::xmlbegin();
962: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
963: $r->print(<<ENDPART);
964: $html
965: <head>
966: <script type="text/javascript" language="Javascript">
967: var editbrowser;
968: function openbrowser(formname,elementname,only,omit) {
969: var url = '/res/?';
970: if (editbrowser == null) {
971: url += 'launch=1&';
972: }
973: url += 'catalogmode=interactive&';
974: url += 'mode=parmset&';
975: url += 'form=' + formname + '&';
976: if (only != null) {
977: url += 'only=' + only + '&';
978: }
979: if (omit != null) {
980: url += 'omit=' + omit + '&';
981: }
982: url += 'element=' + elementname + '';
983: var title = 'Browser';
984: var options = 'scrollbars=1,resizable=1,menubar=0';
985: options += ',width=700,height=600';
986: editbrowser = open(url,title,options,'1');
987: editbrowser.focus();
988: }
989: </script>
990: <title>LON-CAPA output for printing</title>
991: </head>
992: $bodytag
993: Please stand by while processing your print request, this may take some time ...
994: ENDPART
995:
996:
997:
998: # fetch the pagebreaks and store them in the course environment
999: # The page breaks will be pulled into the hash %page_breaks which is
1000: # indexed by symb and contains 1's for each break.
1001:
1002: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1003: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1004: &Apache::loncommon::store_course_settings('print',
1005: {'pagebreaks' => 'scalar',
1006: 'lastprinttype' => 'scalar'});
1007:
1008: my %page_breaks = &get_page_breaks($helper);
1009:
1010: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1011: my ($result,$selectionmade) = ('','');
1012: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1013: my @temporary_array=split /\|/,$format_from_helper;
1014: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1015: if ($laystyle eq 'L') {
1016: $laystyle='album';
1017: } else {
1018: $laystyle='book';
1019: }
1020: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1021: my $assignment = $env{'form.assignment'};
1022: my $LaTeXwidth=&recalcto_mm($textwidth);
1023: my @print_array=();
1024: my @student_names=();
1025:
1026: # Common settings for the %form has:
1027: # In some cases these settings get overriddent by specific cases, but the
1028: # settings are common enough to make it worthwhile factoring them out
1029: # here.
1030: #
1031: my %form;
1032: $form{'grade_target'} = 'tex';
1033: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1034:
1035: # If form.showallfoils is set, then request all foils be shown:
1036: # privilege will be enforced both by not allowing the
1037: # check box selecting this option to be presnt unless it's ok,
1038: # and by lonresponse's priv. check.
1039: # The if is here because lonresponse.pm only cares that
1040: # showallfoils is defined, not what the value is.
1041:
1042: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1043: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1044: }
1045:
1046: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1047: #-- single document - problem, page, html, xml, ...
1048: my ($currentURL,$cleanURL);
1049:
1050: if ($helper->{'VARS'}->{'construction'} ne '1') {
1051: #prints published resource
1052: $currentURL=$helper->{'VARS'}->{'postdata'};
1053: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1054: } else {
1055: #prints resource from the construction space
1056: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1057: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1058: $cleanURL=$currentURL;
1059: }
1060: $selectionmade = 1;
1061: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1062: my $rndseed=time;
1063: my $texversion='';
1064: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1065: my %moreenv;
1066: $moreenv{'request.filename'}=$cleanURL;
1067: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1068: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1069: my $dom = $env{'user.domain'};
1070: my $user = $env{'user.name'};
1071: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1072: }
1073: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1074: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1075: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1076: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1077: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1078: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1079: if ($helper->{'VARS'}->{'curseed'}) {
1080: $rndseed=$helper->{'VARS'}->{'curseed'};
1081: }
1082: $form{'rndseed'}=$rndseed;
1083: &Apache::lonnet::appenv(%moreenv);
1084: &Apache::lonnet::delenv('form.counter');
1085: &Apache::lonxml::init_counter();
1086: $resources_printed .= $currentURL.':';
1087: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1088: &Apache::lonnet::delenv('form.counter');
1089: &Apache::lonnet::delenv('request.filename');
1090: }
1091: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1092: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1093: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1094: $form{'grade_target'}='answer';
1095: $form{'answer_output_mode'}='tex';
1096: $form{'rndseed'}=$rndseed;
1097: $resources_printed .= $currentURL.':';
1098: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1099: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1100: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1101: } else {
1102: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1103: if ($helper->{'VARS'}->{'construction'} ne '1') {
1104: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1105: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1106: } else {
1107: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1108: my $URLpath=$cleanURL;
1109: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1110: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1111: }
1112: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1113: }
1114: }
1115: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1116: $texversion=&IndexCreation($texversion,$currentURL);
1117: }
1118: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1119: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1120:
1121: }
1122: $result .= $texversion;
1123: if ($currentURL=~m/\.page\s*$/) {
1124: ($result,$number_of_columns) = &page_cleanup($result);
1125: }
1126: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1127: #printing content of sequence from the construction space
1128: my $flag_latex_header_remove = 'NO';
1129: my $rndseed=time;
1130: if ($helper->{'VARS'}->{'curseed'}) {
1131: $rndseed=$helper->{'VARS'}->{'curseed'};
1132: }
1133: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1134: my $errtext=&Apache::lonratedt::mapread($currentURL);
1135: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
1136: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
1137: my $urlp=$2;
1138: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1139: my $texversion='';
1140: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1141: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1142: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1143: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1144: $form{'rndseed'}=$rndseed;
1145: $resources_printed .=$urlp.':';
1146: $texversion=&Apache::lonnet::ssi($urlp,%form);
1147: }
1148: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1149: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1150: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1151: # Don't permanently modify %$form...
1152: my %answerform = %form;
1153: $answerform{'grade_target'}='answer';
1154: $answerform{'answer_output_mode'}='tex';
1155: $answerform{'rndseed'}=$rndseed;
1156: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1157: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1158: $resources_printed .= $urlp.':';
1159: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1160: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1161: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1162: } else {
1163: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1164: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1165: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
1166: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1167: }
1168: }
1169: if ($flag_latex_header_remove ne 'NO') {
1170: $texversion = &latex_header_footer_remove($texversion);
1171: } else {
1172: $texversion =~ s/\\end{document}//;
1173: }
1174: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1175: $texversion=&IndexCreation($texversion,$urlp);
1176: }
1177: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1178: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1179: }
1180: $result.=$texversion;
1181: $flag_latex_header_remove = 'YES';
1182: } elsif ($urlp=~/\.(sequence|page)$/) {
1183: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1184: }
1185: }
1186: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1187: $result .= '\end{document}';
1188: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1189: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1190: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1191: $resources_printed .= $currentURL.':';
1192: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1193: $result .= $texversion;
1194: } else {
1195: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1196: }
1197: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1198: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1199: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1200: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1201: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1202: #-- produce an output string
1203: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1204: $selectionmade = 2;
1205: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1206: $selectionmade = 3;
1207: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1208: $selectionmade = 4;
1209: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1210: $selectionmade = 4;
1211: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1212: $selectionmade = 7;
1213: }
1214: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1215: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1216: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1217: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1218: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1219: my $flag_latex_header_remove = 'NO';
1220: my $flag_page_in_sequence = 'NO';
1221: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1222: my $prevassignment='';
1223: &Apache::lonnet::delenv('form.counter');
1224: &Apache::lonxml::init_counter();
1225: for (my $i=0;$i<=$#master_seq;$i++) {
1226:
1227: # Note due to document structure, not allowed to put \newpage
1228: # prior to the first resource
1229:
1230: if (defined $page_breaks{$master_seq[$i]}) {
1231: if($i != 0) {
1232: $result.="\\newpage\n";
1233: }
1234: }
1235: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1236: $urlp=&Apache::lonnet::clutter($urlp);
1237: $form{'symb'}=$master_seq[$i];
1238: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
1239: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1240: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1241: if ($i==0) {$prevassignment=$assignment;}
1242: my $texversion='';
1243: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1244: $resources_printed .= $urlp.':';
1245: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1246: if ($urlp=~/\.page$/) {
1247: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1248: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1249: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1250: $flag_page_in_sequence = 'YES';
1251: }
1252: my $lonidsdir=$r->dir_config('lonIDsDir');
1253: my $envfile=$env{'user.environment'};
1254: $envfile=~/\/([^\/]+)\.id$/;
1255: $envfile=$1;
1256: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1257: my $current_counter=$env{'form.counter'};
1258: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1259: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1260: # Don't permanently pervert the %form hash
1261: my %answerform = %form;
1262: $answerform{'grade_target'}='answer';
1263: $answerform{'answer_output_mode'}='tex';
1264: $resources_printed .= $urlp.':';
1265: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1266: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1267: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1268: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1269: } else {
1270: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1271: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1272: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
1273: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1274: $texversion.='\vskip 1 mm '.$answer;
1275: } else {
1276: $texversion='';
1277: }
1278: }
1279: }
1280: if ($flag_latex_header_remove ne 'NO') {
1281: $texversion = &latex_header_footer_remove($texversion);
1282: } else {
1283: $texversion =~ s/\\end{document}//;
1284: }
1285: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1286: $texversion=&IndexCreation($texversion,$urlp);
1287: }
1288: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1289: my $name = &get_name();
1290: my $courseidinfo = &get_course();
1291: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1292: $prevassignment=$assignment;
1293: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1294: }
1295: $result .= $texversion;
1296: $flag_latex_header_remove = 'YES';
1297: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1298: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1299: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1300: $resources_printed .= $urlp.':';
1301: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1302: if ($flag_latex_header_remove ne 'NO') {
1303: $texversion = &latex_header_footer_remove($texversion);
1304: } else {
1305: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1306: }
1307: $result .= $texversion;
1308: $flag_latex_header_remove = 'YES';
1309: } else {
1310: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1311: if ($flag_latex_header_remove ne 'NO') {
1312: $texversion = &latex_header_footer_remove($texversion);
1313: } else {
1314: $texversion =~ s/\\end{document}//;
1315: }
1316: $result .= $texversion;
1317: $flag_latex_header_remove = 'YES';
1318: }
1319: if (&Apache::loncommon::connection_aborted($r)) { last; }
1320: }
1321: &Apache::lonnet::delenv('form.counter');
1322: if ($flag_page_in_sequence eq 'YES') {
1323: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1324: }
1325: $result .= '\end{document}';
1326: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1327: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1328:
1329:
1330: #-- prints assignments for whole class or for selected students
1331: my $type;
1332: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1333: $selectionmade=5;
1334: $type='problems';
1335: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1336: $selectionmade=8;
1337: $type='resources';
1338: }
1339: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1340: # The normal sort order is by section then by students within the
1341: # section. If the helper var student_sort is 1, then the user has elected
1342: # to override this and output the students by name.
1343: # Each element of the students array is of the form:
1344: # username:domain:section:last, first:status
1345: #
1346: #
1347: if ($helper->{'VARS'}->{'student_sort'} eq 1) {
1348: @students = sort compare_names @students;
1349: }
1350: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1351: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1352: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1353: }
1354: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1355:
1356: #loop over students
1357: my $flag_latex_header_remove = 'NO';
1358: my %moreenv;
1359: $moreenv{'instructor_comments'}='hide';
1360: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1361: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1362: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1363: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1364: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1365: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1366: my $student_counter=-1;
1367: foreach my $person (@students) {
1368:
1369: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1370: if (-e $duefile) {
1371: my $temp_file = Apache::File->new('>>'.$duefile);
1372: print $temp_file "1969\n";
1373: }
1374: $student_counter++;
1375: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1376: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1377: $person,$type,
1378: \%moreenv,\@master_seq,
1379: $flag_latex_header_remove,
1380: $LaTeXwidth);
1381: $resources_printed .= ":";
1382: $print_array[$i].=$output;
1383: $student_names[$i].=$person.':'.$fullname.'_END_';
1384: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1385: $flag_latex_header_remove = 'YES';
1386: if (&Apache::loncommon::connection_aborted($r)) { last; }
1387: }
1388: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1389: $result .= $print_array[0].' \end{document}';
1390: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1391: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1392: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1393: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1394: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1395: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1396: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1397: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1398: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1399:
1400: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1401: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1402: my ($code_type,$code_length)=('letter',6);
1403: foreach my $line (<FH>) {
1404: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1405: if ($name eq $code_option) {
1406: $code_length=$length;
1407: if ($type eq 'number') { $code_type = 'number'; }
1408: }
1409: }
1410: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1411: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1412: my $seed=time+($$<<16)+($$);
1413: my @allcodes;
1414: if ($old_name) {
1415: my %result=&Apache::lonnet::get('CODEs',
1416: [$old_name,"type\0$old_name"],
1417: $cdom,$cnum);
1418: $code_type=$result{"type\0$old_name"};
1419: @allcodes=split(',',$result{$old_name});
1420: $num_todo=scalar(@allcodes);
1421: } elsif ($selected_code) { # Selection value is always numeric.
1422: $num_todo = 1;
1423: @allcodes = ($selected_code);
1424: } elsif ($single_code) {
1425:
1426: $num_todo = 1; # Unconditionally one code to do.
1427: # If an alpha code have to convert to numbers so it can be
1428: # converted back to letters again :-)
1429: #
1430: if ($code_type ne 'number') {
1431: $single_code = &letters_to_num($single_code);
1432: }
1433: @allcodes = ($single_code);
1434: } else {
1435: my %allcodes;
1436: srand($seed);
1437: for (my $i=0;$i<$num_todo;$i++) {
1438: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1439: $code_type);
1440: }
1441: if ($code_name) {
1442: &Apache::lonnet::put('CODEs',
1443: {
1444: $code_name =>join(',',keys(%allcodes)),
1445: "type\0$code_name" => $code_type
1446: },
1447: $cdom,$cnum);
1448: }
1449: @allcodes=keys(%allcodes);
1450: }
1451: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1452: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1453: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1454: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1455: $number_per_page=$num_todo;
1456: }
1457: my $flag_latex_header_remove = 'NO';
1458: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1459: my $count=0;
1460: foreach my $code (sort(@allcodes)) {
1461: my $file_num=int($count/$number_per_page);
1462: if ($code_type eq 'number') {
1463: $moreenv{'CODE'}=$code;
1464: } else {
1465: $moreenv{'CODE'}=&num_to_letters($code);
1466: }
1467: my ($output,$fullname, $printed)=
1468: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1469: \@master_seq,$flag_latex_header_remove,
1470: $LaTeXwidth);
1471: $resources_printed .= ":";
1472: $print_array[$file_num].=$output;
1473: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1474: &mt('last assignment').' '.$fullname);
1475: $flag_latex_header_remove = 'YES';
1476: $count++;
1477: if (&Apache::loncommon::connection_aborted($r)) { last; }
1478: }
1479: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1480: $result .= $print_array[0].' \end{document}';
1481: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1482: #prints selected problems from the subdirectory
1483: $selectionmade = 6;
1484: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1485: @list_of_files=sort @list_of_files;
1486: my $flag_latex_header_remove = 'NO';
1487: my $rndseed=time;
1488: if ($helper->{'VARS'}->{'curseed'}) {
1489: $rndseed=$helper->{'VARS'}->{'curseed'};
1490: }
1491: for (my $i=0;$i<=$#list_of_files;$i++) {
1492: my $urlp = $list_of_files[$i];
1493: $urlp=~s|//|/|;
1494: if ($urlp=~/\//) {
1495: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1496: $form{'rndseed'}=$rndseed;
1497: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1498: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1499: } else {
1500: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1501: }
1502: $resources_printed .= $urlp.':';
1503: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1504: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1505: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1506: # Don't permanently pervert %form:
1507: my %answerform = %form;
1508: $answerform{'grade_target'}='answer';
1509: $answerform{'answer_output_mode'}='tex';
1510: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1511: $answerform{'rndseed'}=$rndseed;
1512: $resources_printed .= $urlp.':';
1513: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1514: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1515: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1516: } else {
1517: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1518: if ($helper->{'VARS'}->{'construction'} ne '1') {
1519: $texversion.='\vskip 0 mm \noindent ';
1520: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1521: } else {
1522: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1523: my $URLpath=$urlp;
1524: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1525: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1526: }
1527: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1528: }
1529: }
1530: #this chunck is responsible for printing the path to problem
1531: my $newurlp=$urlp;
1532: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1533: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1534: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1535: if ($flag_latex_header_remove ne 'NO') {
1536: $texversion = &latex_header_footer_remove($texversion);
1537: } else {
1538: $texversion =~ s/\\end{document}//;
1539: }
1540: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1541: $texversion=&IndexCreation($texversion,$urlp);
1542: }
1543: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1544: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1545:
1546: }
1547: $result .= $texversion;
1548: }
1549: $flag_latex_header_remove = 'YES';
1550: }
1551: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1552: $result .= '\end{document}';
1553: }
1554: #-------------------------------------------------------- corrections for the different page formats
1555: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1556: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1557: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1558: #changes page's parameters for the one column output
1559: if ($numberofcolumns == 1) {
1560: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1561: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1562: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1563: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1564: }
1565:
1566: #-- writing .tex file in prtspool
1567: my $temp_file;
1568: my $identifier = &Apache::loncommon::get_cgi_id();
1569: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1570: if (!($#print_array>0)) {
1571: unless ($temp_file = Apache::File->new('>'.$filename)) {
1572: $r->log_error("Couldn't open $filename for output $!");
1573: return SERVER_ERROR;
1574: }
1575: print $temp_file $result;
1576: my $begin=index($result,'\begin{document}',0);
1577: my $inc=substr($result,0,$begin+16);
1578: } else {
1579: my $begin=index($result,'\begin{document}',0);
1580: my $inc=substr($result,0,$begin+16);
1581: for (my $i=0;$i<=$#print_array;$i++) {
1582: if ($i==0) {
1583: $print_array[$i]=$result;
1584: } else {
1585: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1586: substr($print_array[$i],0,$anobegin)='';
1587: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1588: }
1589: my $temp_file;
1590: my $newfilename=$filename;
1591: my $num=$i+1;
1592: $newfilename =~s/\.tex$//;
1593: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1594: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1595: $r->log_error("Couldn't open $newfilename for output $!");
1596: return SERVER_ERROR;
1597: }
1598: print $temp_file $print_array[$i];
1599: }
1600: }
1601: my $student_names='';
1602: if ($#print_array>0) {
1603: for (my $i=0;$i<=$#print_array;$i++) {
1604: $student_names.=$student_names[$i].'_ENDPERSON_';
1605: }
1606: } else {
1607: if ($#student_names>-1) {
1608: $student_names=$student_names[0].'_ENDPERSON_';
1609: } else {
1610: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1611: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1612: $env{'request.course.sec'},$fullname).
1613: '_ENDPERSON_'.'_END_';
1614: }
1615: }
1616:
1617: my $URLback=''; #link to original document
1618: if ($helper->{'VARS'}->{'construction'} ne '1') {
1619: #prints published resource
1620: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1621: } else {
1622: #prints resource from the construction space
1623: $URLback='/'.$helper->{'VARS'}->{'filename'};
1624: if ($URLback=~/([^?]+)/) {
1625: $URLback=$1;
1626: $URLback=~s|^/~|/priv/|;
1627: }
1628: }
1629: # logic for now is too complex to trace if this has been defined
1630: # yet.
1631: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1632: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1633: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1634: 'cgi.'.$identifier.'.layout' => $laystyle,
1635: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1636: 'cgi.'.$identifier.'.paper' => $papersize,
1637: 'cgi.'.$identifier.'.selection' => $selectionmade,
1638: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1639: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1640: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1641: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1642: 'cgi.'.$identifier.'.studentnames' => $student_names,
1643: 'cgi.'.$identifier.'.backref' => $URLback,);
1644: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1645: "cgi.$identifier.domain" => $env{'user.domain'},
1646: "cgi.$identifier.courseid" => $cnum,
1647: "cgi.$identifier.coursedom" => $cdom,
1648: "cgi.$identifier.resources" => $resources_printed);
1649:
1650: $r->print(<<FINALEND);
1651: <br />
1652: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1653: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1654: </body>
1655: </html>
1656: FINALEND
1657: }
1658:
1659:
1660: sub get_CODE {
1661: my ($all_codes,$num,$seed,$size,$type)=@_;
1662: my $max='1'.'0'x$size;
1663: my $newcode;
1664: while(1) {
1665: $newcode=sprintf("%0".$size."d",int(rand($max)));
1666: if (!exists($$all_codes{$newcode})) {
1667: $$all_codes{$newcode}=1;
1668: if ($type eq 'number' ) {
1669: return $newcode;
1670: } else {
1671: return &num_to_letters($newcode);
1672: }
1673: }
1674: }
1675: }
1676:
1677: sub print_resources {
1678: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1679: $LaTeXwidth)=@_;
1680: my $current_output = '';
1681: my $printed = '';
1682: my ($username,$userdomain,$usersection) = split /:/,$person;
1683: my $fullname = &get_name($username,$userdomain);
1684: my $namepostfix;
1685: if ($person =~ 'anon') {
1686: $namepostfix="\\\\Name: ";
1687: $fullname = "CODE - ".$moreenv->{'CODE'};
1688: }
1689: my $i = 0;
1690: #goes through all resources, checks if they are available for
1691: #current student, and produces output
1692: &Apache::lonnet::delenv('form.counter');
1693: &Apache::lonxml::init_counter();
1694:
1695: my %page_breaks = &get_page_breaks($helper);
1696:
1697: foreach my $curresline (@{$master_seq}) {
1698: if (defined $page_breaks{$curresline}) {
1699: if($i != 0) {
1700: $current_output.= "\\newpage\n";
1701: }
1702: }
1703: $i++;
1704: if ( !($type eq 'problems' &&
1705: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1706: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1707: if (&Apache::lonnet::allowed('bre',$res_url)) {
1708: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1709: $printed .= $curresline.':';
1710: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1711: my $lonidsdir=$r->dir_config('lonIDsDir');
1712: my $envfile=$env{'user.environment'};
1713: $envfile=~/\/([^\/]+)\.id$/;
1714: $envfile=$1;
1715: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1716: my $current_counter=$env{'form.counter'};
1717: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1718: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1719: # Use a copy of the hash so we don't pervert it on future loop passes.
1720: my %answerenv = %{$moreenv};
1721: $answerenv{'answer_output_mode'}='tex';
1722: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1723: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1724: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1725: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1726: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1727: } else {
1728: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1729: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1730: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1731: $rendered.='\vskip 1 mm '.$ansrendered;
1732: }
1733: }
1734: if ($remove_latex_header eq 'YES') {
1735: $rendered = &latex_header_footer_remove($rendered);
1736: } else {
1737: $rendered =~ s/\\end{document}//;
1738: }
1739: $current_output .= $rendered;
1740: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1741: $printed .= $curresline.':';
1742: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1743: my $lonidsdir=$r->dir_config('lonIDsDir');
1744: my $envfile=$env{'user.environment'};
1745: $envfile=~/\/([^\/]+)\.id$/;
1746: $envfile=$1;
1747: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1748: my $current_counter=$env{'form.counter'};
1749: if ($remove_latex_header eq 'YES') {
1750: $rendered = &latex_header_footer_remove($rendered);
1751: } else {
1752: $rendered =~ s/\\end{document}//;
1753: }
1754: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1755: } else {
1756: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1757: if ($remove_latex_header ne 'NO') {
1758: $rendered = &latex_header_footer_remove($rendered);
1759: } else {
1760: $rendered =~ s/\\end{document}//;
1761: }
1762: $current_output .= $rendered;
1763: }
1764: }
1765: $remove_latex_header = 'YES';
1766: }
1767: if (&Apache::loncommon::connection_aborted($r)) { last; }
1768: }
1769: my $courseidinfo = &get_course();
1770: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1771: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1772: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1773: if ($current_output=~/\\documentclass/) {
1774: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1775: } else {
1776: my $blankpages = '';
1777: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1778: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1779: }
1780: return ($current_output,$fullname, $printed);
1781:
1782: }
1783:
1784: sub handler {
1785:
1786: my $r = shift;
1787:
1788: &init_perm();
1789:
1790: # my $loaderror=&Apache::lonnet::overloaderror($r);
1791: # if ($loaderror) { return $loaderror; }
1792: # $loaderror=
1793: # &Apache::lonnet::overloaderror($r,
1794: # $env{'course.'.$env{'request.course.id'}.'.home'});
1795: # if ($loaderror) { return $loaderror; }
1796:
1797: my $helper = printHelper($r);
1798: if (!ref($helper)) {
1799: return $helper;
1800: }
1801:
1802: # my $key;
1803: # foreach $key (keys %{$helper->{'VARS'}}) {
1804: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1805: # }
1806: # foreach $key (keys %env) {
1807: # $r->print(' '.$key.'->'.$env{$key}.'<-<br />');
1808: # }
1809: # return OK;
1810:
1811: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1812:
1813: # my $key;
1814: # foreach $key (keys %parmhash) {
1815: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1816: # }
1817: #
1818:
1819:
1820: # If a figure conversion queue file exists for this user.domain
1821: # we delete it since it can only be bad (if it were good, printout.pl
1822: # would have deleted it the last time around.
1823:
1824: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1825: if(-e $conversion_queuefile) {
1826: unlink $conversion_queuefile;
1827: }
1828: &output_data($r,$helper,\%parmhash);
1829: return OK;
1830: }
1831:
1832: use Apache::lonhelper;
1833:
1834: sub addMessage {
1835: my $text = shift;
1836: my $paramHash = Apache::lonhelper::getParamHash();
1837: $paramHash->{MESSAGE_TEXT} = $text;
1838: Apache::lonhelper::message->new();
1839: }
1840:
1841: use Data::Dumper;
1842:
1843: sub init_perm {
1844: undef(%perm);
1845: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1846: if (!$perm{'pav'}) {
1847: $perm{'pav'}=&Apache::lonnet::allowed('pav',
1848: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1849: }
1850: $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1851: if (!$perm{'pfo'}) {
1852: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
1853: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1854: }
1855: }
1856:
1857: sub printHelper {
1858: my $r = shift;
1859:
1860: if ($r->header_only) {
1861: if ($env{'browser.mathml'}) {
1862: &Apache::loncommon::content_type($r,'text/xml');
1863: } else {
1864: &Apache::loncommon::content_type($r,'text/html');
1865: }
1866: $r->send_http_header;
1867: return OK;
1868: }
1869:
1870: # Send header, nocache
1871: if ($env{'browser.mathml'}) {
1872: &Apache::loncommon::content_type($r,'text/xml');
1873: } else {
1874: &Apache::loncommon::content_type($r,'text/html');
1875: }
1876: &Apache::loncommon::no_cache($r);
1877: $r->send_http_header;
1878: $r->rflush();
1879:
1880: # Unfortunately, this helper is so complicated we have to
1881: # write it by hand
1882:
1883: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1884:
1885: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1886: $helper->declareVar('symb');
1887: $helper->declareVar('postdata');
1888: $helper->declareVar('curseed');
1889: $helper->declareVar('probstatus');
1890: $helper->declareVar('filename');
1891: $helper->declareVar('construction');
1892: $helper->declareVar('assignment');
1893: $helper->declareVar('style_file');
1894: $helper->declareVar('student_sort');
1895: $helper->declareVar('FINISHPAGE');
1896: $helper->declareVar('PRINT_TYPE');
1897: $helper->declareVar("showallfoils");
1898:
1899: # The page breaks can get loaded initially from the course environment:
1900: # But we only do this in the initial state so that they are allowed to change.
1901: #
1902:
1903: $helper->{VARS}->{FINISHPAGE} = '';
1904:
1905: &Apache::loncommon::restore_course_settings('print',
1906: {'pagebreaks' => 'scalar',
1907: 'lastprinttype' => 'scalar'});
1908:
1909:
1910: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
1911: if (!defined ($env{"form.CURRENT_STATE"})) {
1912:
1913: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1914: } else {
1915: my $state = $env{"form.CURRENT_STATE"};
1916: if ($state eq "START") {
1917: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1918: }
1919: }
1920:
1921: }
1922:
1923:
1924: # This will persistently load in the data we want from the
1925: # very first screen.
1926: # Detect whether we're coming from construction space
1927: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1928: $helper->{VARS}->{'filename'} = "~$1/$2";
1929: $helper->{VARS}->{'construction'} = 1;
1930: } else {
1931: if ($env{'form.postdata'}) {
1932: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1933: }
1934: if ($env{'form.symb'}) {
1935: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1936: }
1937: if ($env{'form.url'}) {
1938: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1939: }
1940: }
1941:
1942: if ($env{'form.symb'}) {
1943: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1944: }
1945: if ($env{'form.url'}) {
1946: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1947:
1948: }
1949: $helper->{VARS}->{'symb'}=
1950: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1951: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1952: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1953:
1954:
1955: # Extract map
1956: my $symb = $helper->{VARS}->{'symb'};
1957: my ($map, $id, $url);
1958: my $subdir;
1959:
1960: # Get the resource name from construction space
1961: if ($helper->{VARS}->{'construction'}) {
1962: $resourceTitle = substr($helper->{VARS}->{'filename'},
1963: rindex($helper->{VARS}->{'filename'}, '/')+1);
1964: $subdir = substr($helper->{VARS}->{'filename'},
1965: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1966: } else {
1967: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1968: $helper->{VARS}->{'postdata'} =
1969: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1970:
1971: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1972: my $postdata = $helper->{VARS}->{'postdata'};
1973: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1974: }
1975: $subdir = &Apache::lonnet::filelocation("", $url);
1976: }
1977: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
1978: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1979: }
1980: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1981: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
1982: }
1983:
1984: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1985:
1986: Apache::lonhelper::registerHelperTags();
1987:
1988: # "Delete everything after the last slash."
1989: $subdir =~ s|/[^/]+$||;
1990: if (not $helper->{VARS}->{'construction'}) {
1991: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1992: }
1993: # "Remove all duplicate slashes."
1994: $subdir =~ s|/+|/|g;
1995:
1996: # What can be printed is a very dynamic decision based on
1997: # lots of factors. So we need to dynamically build this list.
1998: # To prevent security leaks, states are only added to the wizard
1999: # if they can be reached, which ensures manipulating the form input
2000: # won't allow anyone to reach states they shouldn't have permission
2001: # to reach.
2002:
2003: # printChoices is tracking the kind of printing the user can
2004: # do, and will be used in a choices construction later.
2005: # In the meantime we will be adding states and elements to
2006: # the helper by hand.
2007: my $printChoices = [];
2008: my $paramHash;
2009:
2010: if ($resourceTitle) {
2011: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2012: }
2013:
2014: # Useful filter strings
2015: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2016: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2017: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2018: my $isNotMap = '!$res->is_sequence()';
2019: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2020: my $isMap = '$res->is_map()';
2021: my $symbFilter = '$res->shown_symb()';
2022: my $urlValue = '$res->link()';
2023:
2024: $helper->declareVar('SEQUENCE');
2025:
2026: # Useful for debugging: Dump the help vars
2027: # $r->print(Dumper($helper->{VARS}));
2028: # $r->print($map);
2029:
2030: # If we're in a sequence...
2031: if (($helper->{'VARS'}->{'construction'} ne '1') &&
2032:
2033: $helper->{VARS}->{'postdata'} &&
2034: $helper->{VARS}->{'assignment'}) {
2035: # Allow problems from sequence
2036: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
2037: # Allow all resources from sequence
2038: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2039:
2040: my $helperFragment = <<HELPERFRAGMENT;
2041: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2042: <message>(mark them then click "next" button) <br /></message>
2043: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2044: closeallpages="1">
2045: <nextstate>PAGESIZE</nextstate>
2046: <filterfunc>return $isProblem;</filterfunc>
2047: <mapurl>$map</mapurl>
2048: <valuefunc>return $symbFilter;</valuefunc>
2049: <option text='Newpage' variable='FINISHPAGE' />
2050: </resource>
2051: </state>
2052:
2053: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2054: <message>(mark them then click "next" button) <br /></message>
2055: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2056: closeallpages="1">
2057: <nextstate>PAGESIZE</nextstate>
2058: <filterfunc>return $isNotMap;</filterfunc>
2059: <mapurl>$map</mapurl>
2060: <valuefunc>return $symbFilter;</valuefunc>
2061: <option text='Newpage' variable='FINISHPAGE' />
2062: </resource>
2063: </state>
2064: HELPERFRAGMENT
2065:
2066: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2067: }
2068:
2069: # If the user has pfo (print for otheres) allow them to print all
2070: # problems and resources in the entier course, optionally for selected students
2071: if ($perm{'pfo'} &&
2072: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2073:
2074: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2075: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2076: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2077: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2078: <message>(mark them then click "next" button) <br /></message>
2079: <resource variable="RESOURCES" toponly='0' multichoice="1"
2080: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2081: <nextstate>PAGESIZE</nextstate>
2082: <filterfunc>return $isProblemOrMap;</filterfunc>
2083: <choicefunc>return $isNotMap;</choicefunc>
2084: <valuefunc>return $symbFilter;</valuefunc>
2085: <option text='Newpage' variable='FINISHPAGE' />
2086: </resource>
2087: </state>
2088: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2089: <message>(Mark them then click "next" button) <br /> </message>
2090: <resource variable="RESOURCES" toponly='0' multichoice='1'
2091: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2092: <nextstate>PAGESIZE</nextstate>
2093: <filterfunc>return $isNotMap; </filterfunc>
2094: <valuefunc>return $symbFilter;</valuefunc>
2095: <option text='NewPage' variable='FINISHPAGE' />
2096: </resource>
2097: </state>
2098: ALL_PROBLEMS
2099:
2100: if ($helper->{VARS}->{'assignment'}) {
2101: 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'];
2102: 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'];
2103: }
2104: my $resource_selector=<<RESOURCE_SELECTOR;
2105: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2106: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2107: closeallpages="1">
2108: <filterfunc>return $isProblem;</filterfunc>
2109: <mapurl>$map</mapurl>
2110: <valuefunc>return $symbFilter;</valuefunc>
2111: <option text='New Page' variable='FINISHPAGE' />
2112: </resource>
2113: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2114: <choices variable="EMPTY_PAGES">
2115: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2116: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2117: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2118: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2119: </choices>
2120: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2121: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2122: RESOURCE_SELECTOR
2123:
2124: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2125: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2126: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
2127: <message><b>Select sort order</b> </message>
2128: <choices variable='student_sort'>
2129: <choice computer='0'>Sort by section then student</choice>
2130: <choice computer='1'>Sort by students across sections.</choice>
2131: </choices>
2132: $resource_selector
2133: </state>
2134: CHOOSE_STUDENTS
2135:
2136: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2137: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2138: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2139: my $namechoice='<choice></choice>';
2140: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2141: if ($name =~ /^error: 2 /) { next; }
2142: if ($name =~ /^type\0/) { next; }
2143: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2144: }
2145:
2146:
2147: my %all_codes = &Apache::lonnet::get('CODEs',
2148: \@names, $cdom,$cnum);
2149: my %code_values;
2150: my @all_code_array;
2151: foreach my $key (keys %all_codes) {
2152: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2153: foreach my $key (keys %code_values) {
2154: push (@all_code_array, "$key");
2155: }
2156: }
2157:
2158: my $code_selection = "<choice></choice>\n";
2159: foreach my $code (sort {uc($a) cmp uc($b)} @all_code_array) {
2160: my $choice = $code;
2161: if ($code =~ /^[A-Z]+$/) { # Alpha code
2162: $choice = &letters_to_num($code);
2163: }
2164: $code_selection .= ' <choice computer="'.$choice.'">'.$code."</choice>\n";
2165: }
2166: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2167: my $codechoice='';
2168: foreach my $line (<FH>) {
2169: my ($name,$description,$code_type,$code_length)=
2170: (split(/:/,$line))[0,1,2,4];
2171: if ($code_length > 0 &&
2172: $code_type =~/^(letter|number|-1)/) {
2173: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2174: }
2175: }
2176: if ($codechoice eq '') {
2177: $codechoice='<choice computer="default">Default</choice>';
2178: }
2179: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2180: <state name="CHOOSE_ANON1" title="Select Students and Resources">
2181: <nextstate>PAGESIZE</nextstate>
2182: <message><hr width='33%' /></message>
2183: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2184: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2185: <validator>
2186: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2187: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2188: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2189: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2190: return "You need to specify the number of assignments to print";
2191: }
2192: return undef;
2193: </validator>
2194: </string>
2195: <message></td></tr><tr><td></message>
2196: <message><b>Value of CODE to print?</b></td><td></message>
2197: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2198: <validator>
2199: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2200: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2201: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2202: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2203: \$helper->{'VARS'}{'CODE_OPTION'});
2204: } else {
2205: return undef; # Other forces control us.
2206: }
2207: </validator>
2208: </string>
2209: <message></td></tr><tr><td></message>
2210: <message><b>Choose single code from list</b></message>
2211: <message></td><td></message>
2212: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2213: $code_selection
2214: </dropdown>
2215: <message></td></tr><tr><td></message>
2216: <message><b>Names to store the CODEs under for later:</b></message>
2217: <message></td><td></message>
2218: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2219: <message></td></tr><tr><td></message>
2220: <message><b>Bubble sheet type:</b></message>
2221: <message></td><td></message>
2222: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2223: $codechoice
2224: </dropdown>
2225: <message></td></tr></table></message>
2226: <message><hr width='33%' /></message>
2227: <message><b>Reprint a set of saved CODEs:</b></message>
2228: <dropdown variable="REUSE_OLD_CODES">
2229: $namechoice
2230: </dropdown>
2231: <message><hr width='33%' /></message>
2232: $resource_selector
2233: </state>
2234: CHOOSE_ANON1
2235:
2236:
2237: if ($helper->{VARS}->{'assignment'}) {
2238: 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'];
2239: 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'];
2240: }
2241:
2242:
2243: $resource_selector=<<RESOURCE_SELECTOR;
2244: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2245: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2246: closeallpages="1">
2247: <filterfunc>return $isNotMap;</filterfunc>
2248: <mapurl>$map</mapurl>
2249: <valuefunc>return $symbFilter;</valuefunc>
2250: <option text='Newpage' variable='FINISHPAGE' />
2251: </resource>
2252: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2253: <choices variable="EMPTY_PAGES">
2254: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2255: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2256: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2257: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2258: </choices>
2259: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2260: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2261: RESOURCE_SELECTOR
2262:
2263: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2264: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2265: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
2266: <choices variable='student_sort'>
2267: <choice computer='0'>Sort by section then student</choice>
2268: <choice computer='1'>Sort by students across sections.</choice>
2269: </choices>
2270:
2271: $resource_selector
2272: </state>
2273: CHOOSE_STUDENTS1
2274:
2275: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2276: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2277: <nextstate>PAGESIZE</nextstate>
2278: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2279: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2280: <validator>
2281: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2282: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2283: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2284: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2285: return "You need to specify the number of assignments to print";
2286: }
2287: return undef;
2288: </validator>
2289: </string>
2290: <message></td></tr><tr><td></message>
2291: <message><b>Value of CODE to print?</b></td><td></message>
2292: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2293: <validator>
2294: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2295: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2296: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2297: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2298: \$helper->{'VARS'}{'CODE_OPTION'});
2299: } else {
2300: return undef; # Other forces control us.
2301: }
2302: </validator>
2303: </string>
2304: <message></td></tr><tr><td></message>
2305: <message><b>Choose single code from list</b></message>
2306: <message></td><td></message>
2307: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2308: $code_selection
2309: </dropdown>
2310: <message></td></tr><tr><td></message>
2311: <message><b>Names to store the CODEs under for later:</b></message>
2312: <message></td><td></message>
2313: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2314: <message></td></tr><tr><td></message>
2315: <message><b>Bubble sheet type:</b></message>
2316: <message></td><td></message>
2317: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2318: $codechoice
2319: </dropdown>
2320: <message></td></tr></table></message>
2321: <message><hr width='33%' /></message>
2322: <message><b>Reprint a set of saved CODEs:</b></message>
2323: <dropdown variable="REUSE_OLD_CODES">
2324: $namechoice
2325: </dropdown>
2326: <message><hr width='33%' /></message>
2327: $resource_selector
2328: </state>
2329: CHOOSE_ANON2
2330: }
2331:
2332: # FIXME: That RE should come from a library somewhere.
2333: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2334: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2335:
2336: my $f = '$filename';
2337: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2338: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2339: <message>(mark them then click "next" button) <br /></message>
2340: <files variable="FILES" multichoice='1'>
2341: <nextstate>PAGESIZE</nextstate>
2342: <filechoice>return '$subdir';</filechoice>
2343: CHOOSE_FROM_SUBDIR
2344:
2345: # this is broken up because I really want interpolation above,
2346: # and I really DON'T want it below
2347: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2348: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2349: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2350: </filefilter>
2351: </files>
2352: </state>
2353: CHOOSE_FROM_SUBDIR
2354: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2355: }
2356:
2357: # Allow the user to select any sequence in the course, feed it to
2358: # another resource selector for that sequence
2359: if (!$helper->{VARS}->{'construction'}) {
2360: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
2361: 'select_sequences', 'CHOOSE_SEQUENCE'];
2362: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2363: #Escape apostrophes and backslashes for Perl
2364: $escapedSequenceName =~ s/\\/\\\\/g;
2365: $escapedSequenceName =~ s/'/\\'/g;
2366: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2367: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2368: <message>Select the sequence to print resources from:</message>
2369: <resource variable="SEQUENCE">
2370: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2371: <filterfunc>return \$res->is_sequence;</filterfunc>
2372: <valuefunc>return $urlValue;</valuefunc>
2373: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2374: </choicefunc>
2375: <option text='Newpage' variable='FINISHPAGE' />
2376: </resource>
2377: </state>
2378: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2379: <message>(mark desired resources then click "next" button) <br /></message>
2380: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2381: closeallpages="1">
2382: <nextstate>PAGESIZE</nextstate>
2383: <filterfunc>return $isProblem</filterfunc>
2384: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2385: <valuefunc>return $symbFilter;</valuefunc>
2386: <option text='Newpage' variable='FINISHPAGE' />
2387: </resource>
2388: </state>
2389: CHOOSE_FROM_ANY_SEQUENCE
2390: }
2391:
2392: # Generate the first state, to select which resources get printed.
2393: Apache::lonhelper::state->new("START", "Select Printing Options:");
2394: $paramHash = Apache::lonhelper::getParamHash();
2395: $paramHash->{MESSAGE_TEXT} = "";
2396: Apache::lonhelper::message->new();
2397: $paramHash = Apache::lonhelper::getParamHash();
2398: $paramHash->{'variable'} = 'PRINT_TYPE';
2399: $paramHash->{CHOICES} = $printChoices;
2400: Apache::lonhelper::choices->new();
2401:
2402: my $startedTable = 0; # have we started an HTML table yet? (need
2403: # to close it later)
2404:
2405: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2406: ($helper->{VARS}->{'construction'} eq '1')) {
2407: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2408: $paramHash = Apache::lonhelper::getParamHash();
2409: $paramHash->{'variable'} = 'ANSWER_TYPE';
2410: $helper->declareVar('ANSWER_TYPE');
2411: $paramHash->{CHOICES} = [
2412: ['Without Answers', 'yes'],
2413: ['With Answers', 'no'],
2414: ['Only Answers', 'only']
2415: ];
2416: Apache::lonhelper::dropdown->new();
2417: addMessage("</td></tr>");
2418: $startedTable = 1;
2419: }
2420:
2421: if ($perm{'pav'}) {
2422: if (!$startedTable) {
2423: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2424: $startedTable = 1;
2425: } else {
2426: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2427: }
2428: $paramHash = Apache::lonhelper::getParamHash();
2429: $paramHash->{'variable'} = 'LATEX_TYPE';
2430: $helper->declareVar('LATEX_TYPE');
2431: if ($helper->{VARS}->{'construction'} eq '1') {
2432: $paramHash->{CHOICES} = [
2433: ['standard LaTeX mode', 'standard'],
2434: ['LaTeX batchmode', 'batchmode'], ];
2435: } else {
2436: $paramHash->{CHOICES} = [
2437: ['LaTeX batchmode', 'batchmode'],
2438: ['standard LaTeX mode', 'standard'] ];
2439: }
2440: Apache::lonhelper::dropdown->new();
2441:
2442: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2443: $paramHash = Apache::lonhelper::getParamHash();
2444: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2445: $helper->declareVar('TABLE_CONTENTS');
2446: $paramHash->{CHOICES} = [
2447: ['No', 'no'],
2448: ['Yes', 'yes'] ];
2449: Apache::lonhelper::dropdown->new();
2450: addMessage("</td></tr>");
2451:
2452: if (not $helper->{VARS}->{'construction'}) {
2453: addMessage("<tr><td align='right'>Print Index: </td><td>");
2454: $paramHash = Apache::lonhelper::getParamHash();
2455: $paramHash->{'variable'} = 'TABLE_INDEX';
2456: $helper->declareVar('TABLE_INDEX');
2457: $paramHash->{CHOICES} = [
2458: ['No', 'no'],
2459: ['Yes', 'yes'] ];
2460: Apache::lonhelper::dropdown->new();
2461: addMessage("</td></tr>");
2462: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2463: $paramHash = Apache::lonhelper::getParamHash();
2464: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2465: $helper->declareVar('PRINT_DISCUSSIONS');
2466: $paramHash->{CHOICES} = [
2467: ['No', 'no'],
2468: ['Yes', 'yes'] ];
2469: Apache::lonhelper::dropdown->new();
2470: addMessage("</td></tr>");
2471:
2472: addMessage("<tr><td align = 'right'> </td><td>");
2473: $paramHash = Apache::lonhelper::getParamHash();
2474: $paramHash->{'multichoice'} = "true";
2475: $paramHash->{'allowempty'} = "true";
2476: $paramHash->{'variable'} = "showallfoils";
2477: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2478: Apache::lonhelper::choices->new();
2479: addMessage("</td></tr>");
2480: }
2481:
2482: if ($helper->{'VARS'}->{'construction'}) {
2483: my $stylevalue=$env{'construct.style'};
2484: my $xmlfrag .= <<"RNDSEED";
2485: <message><tr><td align='right'>Use random seed: </td><td></message>
2486: <string variable="curseed" size="15" maxlength="15">
2487: <defaultvalue>
2488: return $helper->{VARS}->{'curseed'};
2489: </defaultvalue>
2490: </string>
2491: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2492: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message>
2493: <choices allowempty="1" multichoice="true" variable="showallfoils">
2494: <choice computer="1">Show all foils?</choice>
2495: </choices>
2496: <message></td></tr></message>
2497: RNDSEED
2498: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2499: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2500:
2501: }
2502: }
2503:
2504:
2505:
2506:
2507: if ($startedTable) {
2508: addMessage("</table>");
2509: }
2510:
2511: Apache::lonprintout::page_format_state->new("FORMAT");
2512:
2513: # Generate the PAGESIZE state which will offer the user the margin
2514: # choices if they select one column
2515: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2516: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2517:
2518:
2519: $helper->process();
2520:
2521: # MANUAL BAILOUT CONDITION:
2522: # If we're in the "final" state, bailout and return to handler
2523: if ($helper->{STATE} eq 'FINAL') {
2524: return $helper;
2525: }
2526:
2527: $r->print($helper->display());
2528: if ($helper->{STATE} eq 'START') {
2529: &recently_generated($r);
2530: }
2531: &Apache::lonhelper::unregisterHelperTags();
2532:
2533: return OK;
2534: }
2535:
2536:
2537: 1;
2538:
2539: package Apache::lonprintout::page_format_state;
2540:
2541: =pod
2542:
2543: =head1 Helper element: page_format_state
2544:
2545: See lonhelper.pm documentation for discussion of the helper framework.
2546:
2547: Apache::lonprintout::page_format_state is an element that gives the
2548: user an opportunity to select the page layout they wish to print
2549: with: Number of columns, portrait/landscape, and paper size. If you
2550: want to change the paper size choices, change the @paperSize array
2551: contents in this package.
2552:
2553: page_format_state is always directly invoked in lonprintout.pm, so there
2554: is no tag interface. You actually pass parameters to the constructor.
2555:
2556: =over 4
2557:
2558: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2559:
2560: =back
2561:
2562: =cut
2563:
2564: use Apache::lonhelper;
2565:
2566: no strict;
2567: @ISA = ("Apache::lonhelper::element");
2568: use strict;
2569: use Apache::lonlocal;
2570: use Apache::lonnet;
2571:
2572: my $maxColumns = 2;
2573: # it'd be nice if these all worked
2574: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2575: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2576: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2577: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2578: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2579: "a4 [210x297 mm]");
2580:
2581: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2582: # Paper type
2583:
2584: sub new {
2585: my $self = Apache::lonhelper::element->new();
2586:
2587: shift;
2588:
2589: $self->{'variable'} = shift;
2590: my $helper = Apache::lonhelper::getHelper();
2591: $helper->declareVar($self->{'variable'});
2592: bless($self);
2593: return $self;
2594: }
2595:
2596: sub render {
2597: my $self = shift;
2598: my $helper = Apache::lonhelper::getHelper();
2599: my $result = '';
2600: my $var = $self->{'variable'};
2601: my $PageLayout=&mt('Page layout');
2602: my $NumberOfColumns=&mt('Number of columns');
2603: my $PaperType=&mt('Paper type');
2604: $result .= <<STATEHTML;
2605:
2606: <hr width="33%" />
2607: <table cellpadding="3">
2608: <tr>
2609: <td align="center"><b>$PageLayout</b></td>
2610: <td align="center"><b>$NumberOfColumns</b></td>
2611: <td align="center"><b>$PaperType</b></td>
2612: </tr>
2613: <tr>
2614: <td>
2615: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2616: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2617: </td>
2618: <td align="center">
2619: <select name="${var}.cols">
2620: STATEHTML
2621:
2622: my $i;
2623: for ($i = 1; $i <= $maxColumns; $i++) {
2624: if ($i == 2) {
2625: $result .= "<option value='$i' selected>$i</option>\n";
2626: } else {
2627: $result .= "<option value='$i'>$i</option>\n";
2628: }
2629: }
2630:
2631: $result .= "</select></td><td>\n";
2632: $result .= "<select name='${var}.paper'>\n";
2633:
2634: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2635: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
2636: $DefaultPaperSize=~s/\s//g;
2637: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2638: $i = 0;
2639: foreach (@paperSize) {
2640: $_=~/(\w+)/;
2641: my $papersize=$1;
2642: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2643: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2644: } else {
2645: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2646: }
2647: $i++;
2648: }
2649: $result .= "</select></td></tr></table>";
2650: return $result;
2651: }
2652:
2653: sub postprocess {
2654: my $self = shift;
2655:
2656: my $var = $self->{'variable'};
2657: my $helper = Apache::lonhelper->getHelper();
2658: $helper->{VARS}->{$var} =
2659: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2660: $env{"form.$var.paper"};
2661: return 1;
2662: }
2663:
2664: 1;
2665:
2666: package Apache::lonprintout::page_size_state;
2667:
2668: =pod
2669:
2670: =head1 Helper element: page_size_state
2671:
2672: See lonhelper.pm documentation for discussion of the helper framework.
2673:
2674: Apache::lonprintout::page_size_state is an element that gives the
2675: user the opportunity to further refine the page settings if they
2676: select a single-column page.
2677:
2678: page_size_state is always directly invoked in lonprintout.pm, so there
2679: is no tag interface. You actually pass parameters to the constructor.
2680:
2681: =over 4
2682:
2683: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2684:
2685: =back
2686:
2687: =cut
2688:
2689: use Apache::lonhelper;
2690: use Apache::lonnet;
2691: no strict;
2692: @ISA = ("Apache::lonhelper::element");
2693: use strict;
2694:
2695:
2696:
2697: sub new {
2698: my $self = Apache::lonhelper::element->new();
2699:
2700: shift; # disturbs me (probably prevents subclassing) but works (drops
2701: # package descriptor)... - Jeremy
2702:
2703: $self->{'variable'} = shift;
2704: my $helper = Apache::lonhelper::getHelper();
2705: $helper->declareVar($self->{'variable'});
2706:
2707: # The variable name of the format element, so we can look into
2708: # $helper->{VARS} to figure out whether the columns are one or two
2709: $self->{'formatvar'} = shift;
2710:
2711: # The state to transition to after selection, or after discovering
2712: # the cols are not set to 1
2713: $self->{NEXTSTATE} = shift;
2714: bless($self);
2715: return $self;
2716: }
2717:
2718: sub render {
2719: my $self = shift;
2720: my $helper = Apache::lonhelper::getHelper();
2721: my $result = '';
2722: my $var = $self->{'variable'};
2723:
2724: if (defined $self->{ERROR_MSG}) {
2725: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2726: }
2727:
2728: $result .= <<ELEMENTHTML;
2729:
2730: <p>How should the column be formatted?</p>
2731:
2732: <table cellpadding='3'>
2733: <tr>
2734: <td align='right'><b>Width</b>:</td>
2735: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2736: <td align='left'>
2737: <select name='$var.widthunit'>
2738: <option>cm</option><option>in</option>
2739: </select>
2740: </td>
2741: </tr>
2742: <tr>
2743: <td align='right'><b>Height</b>:</td>
2744: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2745: <td align='left'>
2746: <select name='$var.heightunit'>
2747: <option>cm</option><option>in</option>
2748: </select>
2749: </td>
2750: </tr>
2751: <tr>
2752: <td align='right'><b>Left margin</b>:</td>
2753: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2754: <td align='left'>
2755: <select name='$var.lmarginunit'>
2756: <option>cm</option><option>in</option>
2757: </select>
2758: </td>
2759: </tr>
2760: </table>
2761:
2762: <p>Hint: Some instructors like to leave scratch space for the student by
2763: making the width much smaller than the width of the page.</p>
2764:
2765: ELEMENTHTML
2766:
2767: return $result;
2768: }
2769:
2770: # If the user didn't select 1 column, skip this state.
2771: sub preprocess {
2772: my $self = shift;
2773: my $helper = Apache::lonhelper::getHelper();
2774:
2775: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2776: if (substr($format, 2, 1) ne '1') {
2777: $helper->changeState($self->{NEXTSTATE});
2778: }
2779:
2780: return 1;
2781: }
2782:
2783: sub postprocess {
2784: my $self = shift;
2785:
2786: my $var = $self->{'variable'};
2787: my $helper = Apache::lonhelper->getHelper();
2788: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
2789: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
2790: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
2791: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
2792: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
2793: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
2794:
2795: my $error = '';
2796:
2797: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2798: # by an optional period, followed by digits, ending the string
2799:
2800: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2801: $error .= "Invalid width; please type only a number.<br />\n";
2802: }
2803: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2804: $error .= "Invalid height; please type only a number.<br />\n";
2805: }
2806: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2807: $error .= "Invalid left margin; please type only a number.<br />\n";
2808: }
2809:
2810: if (!$error) {
2811: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2812: return 1;
2813: } else {
2814: $self->{ERROR_MSG} = $error;
2815: return 0;
2816: }
2817: }
2818:
2819:
2820:
2821: __END__
2822:
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