1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.401 2005/12/06 09:41:02 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: sub recently_generated {
912: my $r=shift;
913: my $prtspool=$r->dir_config('lonPrtDir');
914: my $zip_result;
915: my $pdf_result;
916: opendir(DIR,$prtspool);
917:
918: my @files =
919: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
920: closedir(DIR);
921:
922: @files = sort {
923: my ($actime) = (stat($prtspool.'/'.$a))[10];
924: my ($bctime) = (stat($prtspool.'/'.$b))[10];
925: return $bctime <=> $actime;
926: } (@files);
927:
928: foreach my $filename (@files) {
929: my ($ext) = ($filename =~ m/(pdf|zip)$/);
930: my ($cdev,$cino,$cmode,$cnlink,
931: $cuid,$cgid,$crdev,$csize,
932: $catime,$cmtime,$cctime,
933: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
934: my $result="<a href='/prtspool/$filename'>".
935: &mt('Generated [_1] ([_2] bytes)',
936: &Apache::lonlocal::locallocaltime($cctime),$csize).
937: '</a><br />';
938: if ($ext eq 'pdf') { $pdf_result .= $result; }
939: if ($ext eq 'zip') { $zip_result .= $result; }
940: }
941: if ($zip_result) {
942: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
943: .$zip_result);
944: }
945: if ($pdf_result) {
946: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
947: .$pdf_result);
948: }
949: }
950:
951: #
952: # Retrieve the hash of page breaks.
953: #
954: # Inputs:
955: # helper - reference to helper object.
956: # Outputs
957: # A reference to a page break hash.
958: #
959: #
960:
961: sub get_page_breaks {
962: my ($helper) = @_;
963: my %page_breaks;
964:
965: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
966: $page_breaks{$break} = 1;
967: }
968:
969: return %page_breaks;
970: }
971:
972: sub output_data {
973: my ($r,$helper,$rparmhash) = @_;
974: my %parmhash = %$rparmhash;
975: my $resources_printed = '';
976: my $html=&Apache::lonxml::xmlbegin();
977: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
978: $r->print(<<ENDPART);
979: $html
980: <head>
981: <script type="text/javascript" language="Javascript">
982: var editbrowser;
983: function openbrowser(formname,elementname,only,omit) {
984: var url = '/res/?';
985: if (editbrowser == null) {
986: url += 'launch=1&';
987: }
988: url += 'catalogmode=interactive&';
989: url += 'mode=parmset&';
990: url += 'form=' + formname + '&';
991: if (only != null) {
992: url += 'only=' + only + '&';
993: }
994: if (omit != null) {
995: url += 'omit=' + omit + '&';
996: }
997: url += 'element=' + elementname + '';
998: var title = 'Browser';
999: var options = 'scrollbars=1,resizable=1,menubar=0';
1000: options += ',width=700,height=600';
1001: editbrowser = open(url,title,options,'1');
1002: editbrowser.focus();
1003: }
1004: </script>
1005: <title>LON-CAPA output for printing</title>
1006: </head>
1007: $bodytag
1008: Please stand by while processing your print request, this may take some time ...
1009: ENDPART
1010:
1011:
1012:
1013: # fetch the pagebreaks and store them in the course environment
1014: # The page breaks will be pulled into the hash %page_breaks which is
1015: # indexed by symb and contains 1's for each break.
1016:
1017: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1018: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1019: &Apache::loncommon::store_course_settings('print',
1020: {'pagebreaks' => 'scalar',
1021: 'lastprinttype' => 'scalar'});
1022:
1023: my %page_breaks = &get_page_breaks($helper);
1024:
1025: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1026: my ($result,$selectionmade) = ('','');
1027: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1028: my @temporary_array=split /\|/,$format_from_helper;
1029: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1030: if ($laystyle eq 'L') {
1031: $laystyle='album';
1032: } else {
1033: $laystyle='book';
1034: }
1035: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1036: my $assignment = $env{'form.assignment'};
1037: my $LaTeXwidth=&recalcto_mm($textwidth);
1038: my @print_array=();
1039: my @student_names=();
1040:
1041: # Common settings for the %form has:
1042: # In some cases these settings get overriddent by specific cases, but the
1043: # settings are common enough to make it worthwhile factoring them out
1044: # here.
1045: #
1046: my %form;
1047: $form{'grade_target'} = 'tex';
1048: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1049:
1050: # If form.showallfoils is set, then request all foils be shown:
1051: # privilege will be enforced both by not allowing the
1052: # check box selecting this option to be presnt unless it's ok,
1053: # and by lonresponse's priv. check.
1054: # The if is here because lonresponse.pm only cares that
1055: # showallfoils is defined, not what the value is.
1056:
1057: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1058: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1059: }
1060:
1061: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1062: #-- single document - problem, page, html, xml, ...
1063: my ($currentURL,$cleanURL);
1064:
1065: if ($helper->{'VARS'}->{'construction'} ne '1') {
1066: #prints published resource
1067: $currentURL=$helper->{'VARS'}->{'postdata'};
1068: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1069: } else {
1070: #prints resource from the construction space
1071: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1072: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1073: $cleanURL=$currentURL;
1074: }
1075: $selectionmade = 1;
1076: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1077: my $rndseed=time;
1078: my $texversion='';
1079: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1080: my %moreenv;
1081: $moreenv{'request.filename'}=$cleanURL;
1082: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1083: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1084: my $dom = $env{'user.domain'};
1085: my $user = $env{'user.name'};
1086: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1087: }
1088: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1089: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1090: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1091: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1092: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1093: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1094: if ($helper->{'VARS'}->{'curseed'}) {
1095: $rndseed=$helper->{'VARS'}->{'curseed'};
1096: }
1097: $form{'rndseed'}=$rndseed;
1098: &Apache::lonnet::appenv(%moreenv);
1099: &Apache::lonnet::delenv('form.counter');
1100: &Apache::lonxml::init_counter();
1101: $resources_printed .= $currentURL.':';
1102: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1103: &Apache::lonnet::delenv('form.counter');
1104: &Apache::lonnet::delenv('request.filename');
1105: }
1106: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1107: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1108: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1109: $form{'grade_target'}='answer';
1110: $form{'answer_output_mode'}='tex';
1111: $form{'rndseed'}=$rndseed;
1112: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1113: $form{'problemtype'}='exam';
1114: }
1115: $resources_printed .= $currentURL.':';
1116: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1117: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1118: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1119: } else {
1120: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1121: if ($helper->{'VARS'}->{'construction'} ne '1') {
1122: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1123: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1124: } else {
1125: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1126: my $URLpath=$cleanURL;
1127: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1128: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1129: }
1130: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1131: }
1132: }
1133: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1134: $texversion=&IndexCreation($texversion,$currentURL);
1135: }
1136: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1137: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1138:
1139: }
1140: $result .= $texversion;
1141: if ($currentURL=~m/\.page\s*$/) {
1142: ($result,$number_of_columns) = &page_cleanup($result);
1143: }
1144: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1145: #printing content of sequence from the construction space
1146: my $flag_latex_header_remove = 'NO';
1147: my $rndseed=time;
1148: if ($helper->{'VARS'}->{'curseed'}) {
1149: $rndseed=$helper->{'VARS'}->{'curseed'};
1150: }
1151: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1152: my $errtext=&Apache::lonratedt::mapread($currentURL);
1153: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
1154: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
1155: my $urlp=$2;
1156: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1157: my $texversion='';
1158: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1159: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1160: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1161: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1162: $form{'rndseed'}=$rndseed;
1163: $resources_printed .=$urlp.':';
1164: $texversion=&Apache::lonnet::ssi($urlp,%form);
1165: }
1166: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1167: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1168: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1169: # Don't permanently modify %$form...
1170: my %answerform = %form;
1171: $answerform{'grade_target'}='answer';
1172: $answerform{'answer_output_mode'}='tex';
1173: $answerform{'rndseed'}=$rndseed;
1174: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1175: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1176: $resources_printed .= $urlp.':';
1177: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1178: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1179: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1180: } else {
1181: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1182: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1183: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
1184: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1185: }
1186: }
1187: if ($flag_latex_header_remove ne 'NO') {
1188: $texversion = &latex_header_footer_remove($texversion);
1189: } else {
1190: $texversion =~ s/\\end{document}//;
1191: }
1192: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1193: $texversion=&IndexCreation($texversion,$urlp);
1194: }
1195: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1196: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1197: }
1198: $result.=$texversion;
1199: $flag_latex_header_remove = 'YES';
1200: } elsif ($urlp=~/\.(sequence|page)$/) {
1201: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1202: }
1203: }
1204: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1205: $result .= '\end{document}';
1206: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1207: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1208: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1209: $resources_printed .= $currentURL.':';
1210: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1211: $result .= $texversion;
1212: } else {
1213: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1214: }
1215: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1216: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1217: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1218: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1219: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1220: #-- produce an output string
1221: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1222: $selectionmade = 2;
1223: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1224: $selectionmade = 3;
1225: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1226: $selectionmade = 4;
1227: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1228: $selectionmade = 4;
1229: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1230: $selectionmade = 7;
1231: }
1232: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1233: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1234: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1235: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1236: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1237: my $flag_latex_header_remove = 'NO';
1238: my $flag_page_in_sequence = 'NO';
1239: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1240: my $prevassignment='';
1241: &Apache::lonnet::delenv('form.counter');
1242: &Apache::lonxml::init_counter();
1243: for (my $i=0;$i<=$#master_seq;$i++) {
1244:
1245: # Note due to document structure, not allowed to put \newpage
1246: # prior to the first resource
1247:
1248: if (defined $page_breaks{$master_seq[$i]}) {
1249: if($i != 0) {
1250: $result.="\\newpage\n";
1251: }
1252: }
1253: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1254: $urlp=&Apache::lonnet::clutter($urlp);
1255: $form{'symb'}=$master_seq[$i];
1256: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
1257: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1258: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1259: if ($i==0) {$prevassignment=$assignment;}
1260: my $texversion='';
1261: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1262: $resources_printed .= $urlp.':';
1263: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1264: if ($urlp=~/\.page$/) {
1265: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1266: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1267: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1268: $flag_page_in_sequence = 'YES';
1269: }
1270: my $lonidsdir=$r->dir_config('lonIDsDir');
1271: my $envfile=$env{'user.environment'};
1272: $envfile=~/\/([^\/]+)\.id$/;
1273: $envfile=$1;
1274: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1275: my $current_counter=$env{'form.counter'};
1276: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1277: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1278: # Don't permanently pervert the %form hash
1279: my %answerform = %form;
1280: $answerform{'grade_target'}='answer';
1281: $answerform{'answer_output_mode'}='tex';
1282: $resources_printed .= $urlp.':';
1283: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1284: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1285: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1286: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1287: } else {
1288: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1289: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1290: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
1291: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1292: $texversion.='\vskip 1 mm '.$answer;
1293: } else {
1294: $texversion='';
1295: }
1296: }
1297: }
1298: if ($flag_latex_header_remove ne 'NO') {
1299: $texversion = &latex_header_footer_remove($texversion);
1300: } else {
1301: $texversion =~ s/\\end{document}//;
1302: }
1303: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1304: $texversion=&IndexCreation($texversion,$urlp);
1305: }
1306: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1307: my $name = &get_name();
1308: my $courseidinfo = &get_course();
1309: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1310: $prevassignment=$assignment;
1311: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1312: }
1313: $result .= $texversion;
1314: $flag_latex_header_remove = 'YES';
1315: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1316: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1317: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1318: $resources_printed .= $urlp.':';
1319: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1320: if ($flag_latex_header_remove ne 'NO') {
1321: $texversion = &latex_header_footer_remove($texversion);
1322: } else {
1323: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1324: }
1325: $result .= $texversion;
1326: $flag_latex_header_remove = 'YES';
1327: } else {
1328: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1329: if ($flag_latex_header_remove ne 'NO') {
1330: $texversion = &latex_header_footer_remove($texversion);
1331: } else {
1332: $texversion =~ s/\\end{document}//;
1333: }
1334: $result .= $texversion;
1335: $flag_latex_header_remove = 'YES';
1336: }
1337: if (&Apache::loncommon::connection_aborted($r)) { last; }
1338: }
1339: &Apache::lonnet::delenv('form.counter');
1340: if ($flag_page_in_sequence eq 'YES') {
1341: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1342: }
1343: $result .= '\end{document}';
1344: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1345: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1346:
1347:
1348: #-- prints assignments for whole class or for selected students
1349: my $type;
1350: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1351: $selectionmade=5;
1352: $type='problems';
1353: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1354: $selectionmade=8;
1355: $type='resources';
1356: }
1357: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1358: # The normal sort order is by section then by students within the
1359: # section. If the helper var student_sort is 1, then the user has elected
1360: # to override this and output the students by name.
1361: # Each element of the students array is of the form:
1362: # username:domain:section:last, first:status
1363: #
1364: #
1365: if ($helper->{'VARS'}->{'student_sort'} eq 1) {
1366: @students = sort compare_names @students;
1367: }
1368: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1369: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1370: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1371: }
1372: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1373:
1374: #loop over students
1375: my $flag_latex_header_remove = 'NO';
1376: my %moreenv;
1377: $moreenv{'instructor_comments'}='hide';
1378: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1379: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1380: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1381: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1382: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1383: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1384: my $student_counter=-1;
1385: foreach my $person (@students) {
1386:
1387: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1388: if (-e $duefile) {
1389: my $temp_file = Apache::File->new('>>'.$duefile);
1390: print $temp_file "1969\n";
1391: }
1392: $student_counter++;
1393: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1394: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1395: $person,$type,
1396: \%moreenv,\@master_seq,
1397: $flag_latex_header_remove,
1398: $LaTeXwidth);
1399: $resources_printed .= ":";
1400: $print_array[$i].=$output;
1401: $student_names[$i].=$person.':'.$fullname.'_END_';
1402: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1403: $flag_latex_header_remove = 'YES';
1404: if (&Apache::loncommon::connection_aborted($r)) { last; }
1405: }
1406: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1407: $result .= $print_array[0].' \end{document}';
1408: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1409: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1410: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1411: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1412: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1413: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1414: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1415: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1416: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1417:
1418: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1419: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1420: my ($code_type,$code_length)=('letter',6);
1421: foreach my $line (<FH>) {
1422: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1423: if ($name eq $code_option) {
1424: $code_length=$length;
1425: if ($type eq 'number') { $code_type = 'number'; }
1426: }
1427: }
1428: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1429: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1430: my $seed=time+($$<<16)+($$);
1431: my @allcodes;
1432: if ($old_name) {
1433: my %result=&Apache::lonnet::get('CODEs',
1434: [$old_name,"type\0$old_name"],
1435: $cdom,$cnum);
1436: $code_type=$result{"type\0$old_name"};
1437: @allcodes=split(',',$result{$old_name});
1438: $num_todo=scalar(@allcodes);
1439: } elsif ($selected_code) { # Selection value is always numeric.
1440: $num_todo = 1;
1441: @allcodes = ($selected_code);
1442: } elsif ($single_code) {
1443:
1444: $num_todo = 1; # Unconditionally one code to do.
1445: # If an alpha code have to convert to numbers so it can be
1446: # converted back to letters again :-)
1447: #
1448: if ($code_type ne 'number') {
1449: $single_code = &letters_to_num($single_code);
1450: }
1451: @allcodes = ($single_code);
1452: } else {
1453: my %allcodes;
1454: srand($seed);
1455: for (my $i=0;$i<$num_todo;$i++) {
1456: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1457: $code_type);
1458: }
1459: if ($code_name) {
1460: &Apache::lonnet::put('CODEs',
1461: {
1462: $code_name =>join(',',keys(%allcodes)),
1463: "type\0$code_name" => $code_type
1464: },
1465: $cdom,$cnum);
1466: }
1467: @allcodes=keys(%allcodes);
1468: }
1469: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1470: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1471: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1472: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1473: $number_per_page=$num_todo;
1474: }
1475: my $flag_latex_header_remove = 'NO';
1476: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1477: my $count=0;
1478: foreach my $code (sort(@allcodes)) {
1479: my $file_num=int($count/$number_per_page);
1480: if ($code_type eq 'number') {
1481: $moreenv{'CODE'}=$code;
1482: } else {
1483: $moreenv{'CODE'}=&num_to_letters($code);
1484: }
1485: my ($output,$fullname, $printed)=
1486: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1487: \@master_seq,$flag_latex_header_remove,
1488: $LaTeXwidth);
1489: $resources_printed .= ":";
1490: $print_array[$file_num].=$output;
1491: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1492: &mt('last assignment').' '.$fullname);
1493: $flag_latex_header_remove = 'YES';
1494: $count++;
1495: if (&Apache::loncommon::connection_aborted($r)) { last; }
1496: }
1497: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1498: $result .= $print_array[0].' \end{document}';
1499: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1500: #prints selected problems from the subdirectory
1501: $selectionmade = 6;
1502: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1503: @list_of_files=sort @list_of_files;
1504: my $flag_latex_header_remove = 'NO';
1505: my $rndseed=time;
1506: if ($helper->{'VARS'}->{'curseed'}) {
1507: $rndseed=$helper->{'VARS'}->{'curseed'};
1508: }
1509: for (my $i=0;$i<=$#list_of_files;$i++) {
1510: my $urlp = $list_of_files[$i];
1511: $urlp=~s|//|/|;
1512: if ($urlp=~/\//) {
1513: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1514: $form{'rndseed'}=$rndseed;
1515: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1516: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1517: } else {
1518: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1519: }
1520: $resources_printed .= $urlp.':';
1521: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1522: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1523: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1524: # Don't permanently pervert %form:
1525: my %answerform = %form;
1526: $answerform{'grade_target'}='answer';
1527: $answerform{'answer_output_mode'}='tex';
1528: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1529: $answerform{'rndseed'}=$rndseed;
1530: $resources_printed .= $urlp.':';
1531: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1532: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1533: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1534: } else {
1535: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1536: if ($helper->{'VARS'}->{'construction'} ne '1') {
1537: $texversion.='\vskip 0 mm \noindent ';
1538: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1539: } else {
1540: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1541: my $URLpath=$urlp;
1542: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1543: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1544: }
1545: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1546: }
1547: }
1548: #this chunck is responsible for printing the path to problem
1549: my $newurlp=$urlp;
1550: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1551: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1552: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1553: if ($flag_latex_header_remove ne 'NO') {
1554: $texversion = &latex_header_footer_remove($texversion);
1555: } else {
1556: $texversion =~ s/\\end{document}//;
1557: }
1558: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1559: $texversion=&IndexCreation($texversion,$urlp);
1560: }
1561: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1562: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1563:
1564: }
1565: $result .= $texversion;
1566: }
1567: $flag_latex_header_remove = 'YES';
1568: }
1569: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1570: $result .= '\end{document}';
1571: }
1572: #-------------------------------------------------------- corrections for the different page formats
1573: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1574: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1575: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1576: #changes page's parameters for the one column output
1577: if ($numberofcolumns == 1) {
1578: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1579: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1580: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1581: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1582: }
1583:
1584: #-- writing .tex file in prtspool
1585: my $temp_file;
1586: my $identifier = &Apache::loncommon::get_cgi_id();
1587: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1588: if (!($#print_array>0)) {
1589: unless ($temp_file = Apache::File->new('>'.$filename)) {
1590: $r->log_error("Couldn't open $filename for output $!");
1591: return SERVER_ERROR;
1592: }
1593: print $temp_file $result;
1594: my $begin=index($result,'\begin{document}',0);
1595: my $inc=substr($result,0,$begin+16);
1596: } else {
1597: my $begin=index($result,'\begin{document}',0);
1598: my $inc=substr($result,0,$begin+16);
1599: for (my $i=0;$i<=$#print_array;$i++) {
1600: if ($i==0) {
1601: $print_array[$i]=$result;
1602: } else {
1603: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1604: substr($print_array[$i],0,$anobegin)='';
1605: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1606: }
1607: my $temp_file;
1608: my $newfilename=$filename;
1609: my $num=$i+1;
1610: $newfilename =~s/\.tex$//;
1611: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1612: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1613: $r->log_error("Couldn't open $newfilename for output $!");
1614: return SERVER_ERROR;
1615: }
1616: print $temp_file $print_array[$i];
1617: }
1618: }
1619: my $student_names='';
1620: if ($#print_array>0) {
1621: for (my $i=0;$i<=$#print_array;$i++) {
1622: $student_names.=$student_names[$i].'_ENDPERSON_';
1623: }
1624: } else {
1625: if ($#student_names>-1) {
1626: $student_names=$student_names[0].'_ENDPERSON_';
1627: } else {
1628: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1629: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1630: $env{'request.course.sec'},$fullname).
1631: '_ENDPERSON_'.'_END_';
1632: }
1633: }
1634:
1635: my $URLback=''; #link to original document
1636: if ($helper->{'VARS'}->{'construction'} ne '1') {
1637: #prints published resource
1638: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1639: } else {
1640: #prints resource from the construction space
1641: $URLback='/'.$helper->{'VARS'}->{'filename'};
1642: if ($URLback=~/([^?]+)/) {
1643: $URLback=$1;
1644: $URLback=~s|^/~|/priv/|;
1645: }
1646: }
1647: # logic for now is too complex to trace if this has been defined
1648: # yet.
1649: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1650: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1651: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1652: 'cgi.'.$identifier.'.layout' => $laystyle,
1653: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1654: 'cgi.'.$identifier.'.paper' => $papersize,
1655: 'cgi.'.$identifier.'.selection' => $selectionmade,
1656: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1657: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1658: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1659: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1660: 'cgi.'.$identifier.'.studentnames' => $student_names,
1661: 'cgi.'.$identifier.'.backref' => $URLback,);
1662: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1663: "cgi.$identifier.domain" => $env{'user.domain'},
1664: "cgi.$identifier.courseid" => $cnum,
1665: "cgi.$identifier.coursedom" => $cdom,
1666: "cgi.$identifier.resources" => $resources_printed);
1667:
1668: $r->print(<<FINALEND);
1669: <br />
1670: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1671: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1672: </body>
1673: </html>
1674: FINALEND
1675: }
1676:
1677:
1678: sub get_CODE {
1679: my ($all_codes,$num,$seed,$size,$type)=@_;
1680: my $max='1'.'0'x$size;
1681: my $newcode;
1682: while(1) {
1683: $newcode=sprintf("%0".$size."d",int(rand($max)));
1684: if (!exists($$all_codes{$newcode})) {
1685: $$all_codes{$newcode}=1;
1686: if ($type eq 'number' ) {
1687: return $newcode;
1688: } else {
1689: return &num_to_letters($newcode);
1690: }
1691: }
1692: }
1693: }
1694:
1695: sub print_resources {
1696: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1697: $LaTeXwidth)=@_;
1698: my $current_output = '';
1699: my $printed = '';
1700: my ($username,$userdomain,$usersection) = split /:/,$person;
1701: my $fullname = &get_name($username,$userdomain);
1702: my $namepostfix;
1703: if ($person =~ 'anon') {
1704: $namepostfix="\\\\Name: ";
1705: $fullname = "CODE - ".$moreenv->{'CODE'};
1706: }
1707: my $i = 0;
1708: #goes through all resources, checks if they are available for
1709: #current student, and produces output
1710: &Apache::lonnet::delenv('form.counter');
1711: &Apache::lonxml::init_counter();
1712:
1713: my %page_breaks = &get_page_breaks($helper);
1714:
1715: foreach my $curresline (@{$master_seq}) {
1716: if (defined $page_breaks{$curresline}) {
1717: if($i != 0) {
1718: $current_output.= "\\newpage\n";
1719: }
1720: }
1721: $i++;
1722: if ( !($type eq 'problems' &&
1723: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1724: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1725: if (&Apache::lonnet::allowed('bre',$res_url)) {
1726: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1727: $printed .= $curresline.':';
1728: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1729: my $lonidsdir=$r->dir_config('lonIDsDir');
1730: my $envfile=$env{'user.environment'};
1731: $envfile=~/\/([^\/]+)\.id$/;
1732: $envfile=$1;
1733: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1734: my $current_counter=$env{'form.counter'};
1735: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1736: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1737: # Use a copy of the hash so we don't pervert it on future loop passes.
1738: my %answerenv = %{$moreenv};
1739: $answerenv{'answer_output_mode'}='tex';
1740: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1741: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1742: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1743: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1744: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1745: } else {
1746: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1747: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1748: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1749: $rendered.='\vskip 1 mm '.$ansrendered;
1750: }
1751: }
1752: if ($remove_latex_header eq 'YES') {
1753: $rendered = &latex_header_footer_remove($rendered);
1754: } else {
1755: $rendered =~ s/\\end{document}//;
1756: }
1757: $current_output .= $rendered;
1758: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1759: $printed .= $curresline.':';
1760: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1761: my $lonidsdir=$r->dir_config('lonIDsDir');
1762: my $envfile=$env{'user.environment'};
1763: $envfile=~/\/([^\/]+)\.id$/;
1764: $envfile=$1;
1765: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1766: my $current_counter=$env{'form.counter'};
1767: if ($remove_latex_header eq 'YES') {
1768: $rendered = &latex_header_footer_remove($rendered);
1769: } else {
1770: $rendered =~ s/\\end{document}//;
1771: }
1772: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1773: } else {
1774: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1775: if ($remove_latex_header ne 'NO') {
1776: $rendered = &latex_header_footer_remove($rendered);
1777: } else {
1778: $rendered =~ s/\\end{document}//;
1779: }
1780: $current_output .= $rendered;
1781: }
1782: }
1783: $remove_latex_header = 'YES';
1784: }
1785: if (&Apache::loncommon::connection_aborted($r)) { last; }
1786: }
1787: my $courseidinfo = &get_course();
1788: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1789: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1790: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1791: if ($current_output=~/\\documentclass/) {
1792: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1793: } else {
1794: my $blankpages = '';
1795: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1796: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1797: }
1798: return ($current_output,$fullname, $printed);
1799:
1800: }
1801:
1802: sub handler {
1803:
1804: my $r = shift;
1805:
1806: &init_perm();
1807:
1808: # my $loaderror=&Apache::lonnet::overloaderror($r);
1809: # if ($loaderror) { return $loaderror; }
1810: # $loaderror=
1811: # &Apache::lonnet::overloaderror($r,
1812: # $env{'course.'.$env{'request.course.id'}.'.home'});
1813: # if ($loaderror) { return $loaderror; }
1814:
1815: my $helper = printHelper($r);
1816: if (!ref($helper)) {
1817: return $helper;
1818: }
1819:
1820: # my $key;
1821: # foreach $key (keys %{$helper->{'VARS'}}) {
1822: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1823: # }
1824: # foreach $key (keys %env) {
1825: # $r->print(' '.$key.'->'.$env{$key}.'<-<br />');
1826: # }
1827: # return OK;
1828:
1829: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1830:
1831: # my $key;
1832: # foreach $key (keys %parmhash) {
1833: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1834: # }
1835: #
1836:
1837:
1838: # If a figure conversion queue file exists for this user.domain
1839: # we delete it since it can only be bad (if it were good, printout.pl
1840: # would have deleted it the last time around.
1841:
1842: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1843: if(-e $conversion_queuefile) {
1844: unlink $conversion_queuefile;
1845: }
1846: &output_data($r,$helper,\%parmhash);
1847: return OK;
1848: }
1849:
1850: use Apache::lonhelper;
1851:
1852: sub addMessage {
1853: my $text = shift;
1854: my $paramHash = Apache::lonhelper::getParamHash();
1855: $paramHash->{MESSAGE_TEXT} = $text;
1856: Apache::lonhelper::message->new();
1857: }
1858:
1859: use Data::Dumper;
1860:
1861: sub init_perm {
1862: undef(%perm);
1863: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1864: if (!$perm{'pav'}) {
1865: $perm{'pav'}=&Apache::lonnet::allowed('pav',
1866: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1867: }
1868: $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1869: if (!$perm{'pfo'}) {
1870: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
1871: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1872: }
1873: }
1874:
1875: sub printHelper {
1876: my $r = shift;
1877:
1878: if ($r->header_only) {
1879: if ($env{'browser.mathml'}) {
1880: &Apache::loncommon::content_type($r,'text/xml');
1881: } else {
1882: &Apache::loncommon::content_type($r,'text/html');
1883: }
1884: $r->send_http_header;
1885: return OK;
1886: }
1887:
1888: # Send header, nocache
1889: if ($env{'browser.mathml'}) {
1890: &Apache::loncommon::content_type($r,'text/xml');
1891: } else {
1892: &Apache::loncommon::content_type($r,'text/html');
1893: }
1894: &Apache::loncommon::no_cache($r);
1895: $r->send_http_header;
1896: $r->rflush();
1897:
1898: # Unfortunately, this helper is so complicated we have to
1899: # write it by hand
1900:
1901: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1902:
1903: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1904: $helper->declareVar('symb');
1905: $helper->declareVar('postdata');
1906: $helper->declareVar('curseed');
1907: $helper->declareVar('probstatus');
1908: $helper->declareVar('filename');
1909: $helper->declareVar('construction');
1910: $helper->declareVar('assignment');
1911: $helper->declareVar('style_file');
1912: $helper->declareVar('student_sort');
1913: $helper->declareVar('FINISHPAGE');
1914: $helper->declareVar('PRINT_TYPE');
1915: $helper->declareVar("showallfoils");
1916:
1917: # The page breaks can get loaded initially from the course environment:
1918: # But we only do this in the initial state so that they are allowed to change.
1919: #
1920:
1921: $helper->{VARS}->{FINISHPAGE} = '';
1922:
1923: &Apache::loncommon::restore_course_settings('print',
1924: {'pagebreaks' => 'scalar',
1925: 'lastprinttype' => 'scalar'});
1926:
1927:
1928: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
1929: if (!defined ($env{"form.CURRENT_STATE"})) {
1930:
1931: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1932: } else {
1933: my $state = $env{"form.CURRENT_STATE"};
1934: if ($state eq "START") {
1935: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1936: }
1937: }
1938:
1939: }
1940:
1941:
1942: # This will persistently load in the data we want from the
1943: # very first screen.
1944: # Detect whether we're coming from construction space
1945: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1946: $helper->{VARS}->{'filename'} = "~$1/$2";
1947: $helper->{VARS}->{'construction'} = 1;
1948: } else {
1949: if ($env{'form.postdata'}) {
1950: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1951: }
1952: if ($env{'form.symb'}) {
1953: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1954: }
1955: if ($env{'form.url'}) {
1956: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1957: }
1958: }
1959:
1960: if ($env{'form.symb'}) {
1961: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1962: }
1963: if ($env{'form.url'}) {
1964: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1965:
1966: }
1967: $helper->{VARS}->{'symb'}=
1968: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1969: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1970: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1971:
1972:
1973: # Extract map
1974: my $symb = $helper->{VARS}->{'symb'};
1975: my ($map, $id, $url);
1976: my $subdir;
1977:
1978: # Get the resource name from construction space
1979: if ($helper->{VARS}->{'construction'}) {
1980: $resourceTitle = substr($helper->{VARS}->{'filename'},
1981: rindex($helper->{VARS}->{'filename'}, '/')+1);
1982: $subdir = substr($helper->{VARS}->{'filename'},
1983: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1984: } else {
1985: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1986: $helper->{VARS}->{'postdata'} =
1987: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1988:
1989: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1990: my $postdata = $helper->{VARS}->{'postdata'};
1991: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1992: }
1993: $subdir = &Apache::lonnet::filelocation("", $url);
1994: }
1995: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
1996: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1997: }
1998: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1999: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2000: }
2001:
2002: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2003:
2004: Apache::lonhelper::registerHelperTags();
2005:
2006: # "Delete everything after the last slash."
2007: $subdir =~ s|/[^/]+$||;
2008: if (not $helper->{VARS}->{'construction'}) {
2009: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
2010: }
2011: # "Remove all duplicate slashes."
2012: $subdir =~ s|/+|/|g;
2013:
2014: # What can be printed is a very dynamic decision based on
2015: # lots of factors. So we need to dynamically build this list.
2016: # To prevent security leaks, states are only added to the wizard
2017: # if they can be reached, which ensures manipulating the form input
2018: # won't allow anyone to reach states they shouldn't have permission
2019: # to reach.
2020:
2021: # printChoices is tracking the kind of printing the user can
2022: # do, and will be used in a choices construction later.
2023: # In the meantime we will be adding states and elements to
2024: # the helper by hand.
2025: my $printChoices = [];
2026: my $paramHash;
2027:
2028: if ($resourceTitle) {
2029: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2030: }
2031:
2032: # Useful filter strings
2033: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2034: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2035: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2036: my $isNotMap = '!$res->is_sequence()';
2037: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2038: my $isMap = '$res->is_map()';
2039: my $symbFilter = '$res->shown_symb()';
2040: my $urlValue = '$res->link()';
2041:
2042: $helper->declareVar('SEQUENCE');
2043:
2044: # Useful for debugging: Dump the help vars
2045: # $r->print(Dumper($helper->{VARS}));
2046: # $r->print($map);
2047:
2048: # If we're in a sequence...
2049: if (($helper->{'VARS'}->{'construction'} ne '1') &&
2050:
2051: $helper->{VARS}->{'postdata'} &&
2052: $helper->{VARS}->{'assignment'}) {
2053: # Allow problems from sequence
2054: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
2055: # Allow all resources from sequence
2056: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2057:
2058: my $helperFragment = <<HELPERFRAGMENT;
2059: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2060: <message>(mark them then click "next" button) <br /></message>
2061: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2062: closeallpages="1">
2063: <nextstate>PAGESIZE</nextstate>
2064: <filterfunc>return $isProblem;</filterfunc>
2065: <mapurl>$map</mapurl>
2066: <valuefunc>return $symbFilter;</valuefunc>
2067: <option text='Newpage' variable='FINISHPAGE' />
2068: </resource>
2069: </state>
2070:
2071: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2072: <message>(mark them then click "next" button) <br /></message>
2073: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2074: closeallpages="1">
2075: <nextstate>PAGESIZE</nextstate>
2076: <filterfunc>return $isNotMap;</filterfunc>
2077: <mapurl>$map</mapurl>
2078: <valuefunc>return $symbFilter;</valuefunc>
2079: <option text='Newpage' variable='FINISHPAGE' />
2080: </resource>
2081: </state>
2082: HELPERFRAGMENT
2083:
2084: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2085: }
2086:
2087: # If the user has pfo (print for otheres) allow them to print all
2088: # problems and resources in the entier course, optionally for selected students
2089: if ($perm{'pfo'} &&
2090: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2091:
2092: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2093: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2094: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2095: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2096: <message>(mark them then click "next" button) <br /></message>
2097: <resource variable="RESOURCES" toponly='0' multichoice="1"
2098: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2099: <nextstate>PAGESIZE</nextstate>
2100: <filterfunc>return $isProblemOrMap;</filterfunc>
2101: <choicefunc>return $isNotMap;</choicefunc>
2102: <valuefunc>return $symbFilter;</valuefunc>
2103: <option text='Newpage' variable='FINISHPAGE' />
2104: </resource>
2105: </state>
2106: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2107: <message>(Mark them then click "next" button) <br /> </message>
2108: <resource variable="RESOURCES" toponly='0' multichoice='1'
2109: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2110: <nextstate>PAGESIZE</nextstate>
2111: <filterfunc>return $isNotMap; </filterfunc>
2112: <valuefunc>return $symbFilter;</valuefunc>
2113: <option text='NewPage' variable='FINISHPAGE' />
2114: </resource>
2115: </state>
2116: ALL_PROBLEMS
2117:
2118: if ($helper->{VARS}->{'assignment'}) {
2119: 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'];
2120: 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'];
2121: }
2122: my $resource_selector=<<RESOURCE_SELECTOR;
2123: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2124: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2125: closeallpages="1">
2126: <filterfunc>return $isProblem;</filterfunc>
2127: <mapurl>$map</mapurl>
2128: <valuefunc>return $symbFilter;</valuefunc>
2129: <option text='New Page' variable='FINISHPAGE' />
2130: </resource>
2131: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2132: <choices variable="EMPTY_PAGES">
2133: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2134: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2135: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2136: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2137: </choices>
2138: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2139: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2140: RESOURCE_SELECTOR
2141:
2142: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2143: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2144: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
2145: <message><b>Select sort order</b> </message>
2146: <choices variable='student_sort'>
2147: <choice computer='0'>Sort by section then student</choice>
2148: <choice computer='1'>Sort by students across sections.</choice>
2149: </choices>
2150: $resource_selector
2151: </state>
2152: CHOOSE_STUDENTS
2153:
2154: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2155: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2156: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2157: my $namechoice='<choice></choice>';
2158: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2159: if ($name =~ /^error: 2 /) { next; }
2160: if ($name =~ /^type\0/) { next; }
2161: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2162: }
2163:
2164:
2165: my %all_codes = &Apache::lonnet::get('CODEs',
2166: \@names, $cdom,$cnum);
2167: my %code_values;
2168: my @all_code_array;
2169: foreach my $key (keys %all_codes) {
2170: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2171: foreach my $key (keys %code_values) {
2172: push (@all_code_array, "$key");
2173: }
2174: }
2175:
2176: my $code_selection = "<choice></choice>\n";
2177: foreach my $code (sort {uc($a) cmp uc($b)} @all_code_array) {
2178: my $choice = $code;
2179: if ($code =~ /^[A-Z]+$/) { # Alpha code
2180: $choice = &letters_to_num($code);
2181: }
2182: $code_selection .= ' <choice computer="'.$choice.'">'.$code."</choice>\n";
2183: }
2184: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2185: my $codechoice='';
2186: foreach my $line (<FH>) {
2187: my ($name,$description,$code_type,$code_length)=
2188: (split(/:/,$line))[0,1,2,4];
2189: if ($code_length > 0 &&
2190: $code_type =~/^(letter|number|-1)/) {
2191: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2192: }
2193: }
2194: if ($codechoice eq '') {
2195: $codechoice='<choice computer="default">Default</choice>';
2196: }
2197: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2198: <state name="CHOOSE_ANON1" title="Select Students and Resources">
2199: <nextstate>PAGESIZE</nextstate>
2200: <message><hr width='33%' /></message>
2201: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2202: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2203: <validator>
2204: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2205: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2206: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2207: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2208: return "You need to specify the number of assignments to print";
2209: }
2210: return undef;
2211: </validator>
2212: </string>
2213: <message></td></tr><tr><td></message>
2214: <message><b>Value of CODE to print?</b></td><td></message>
2215: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2216: <validator>
2217: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2218: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2219: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2220: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2221: \$helper->{'VARS'}{'CODE_OPTION'});
2222: } else {
2223: return undef; # Other forces control us.
2224: }
2225: </validator>
2226: </string>
2227: <message></td></tr><tr><td></message>
2228: <message><b>Choose single code from list</b></message>
2229: <message></td><td></message>
2230: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2231: $code_selection
2232: </dropdown>
2233: <message></td></tr><tr><td></message>
2234: <message><b>Names to store the CODEs under for later:</b></message>
2235: <message></td><td></message>
2236: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2237: <message></td></tr><tr><td></message>
2238: <message><b>Bubble sheet type:</b></message>
2239: <message></td><td></message>
2240: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2241: $codechoice
2242: </dropdown>
2243: <message></td></tr></table></message>
2244: <message><hr width='33%' /></message>
2245: <message><b>Reprint a set of saved CODEs:</b></message>
2246: <dropdown variable="REUSE_OLD_CODES">
2247: $namechoice
2248: </dropdown>
2249: <message><hr width='33%' /></message>
2250: $resource_selector
2251: </state>
2252: CHOOSE_ANON1
2253:
2254:
2255: if ($helper->{VARS}->{'assignment'}) {
2256: 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'];
2257: 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'];
2258: }
2259:
2260:
2261: $resource_selector=<<RESOURCE_SELECTOR;
2262: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2263: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2264: closeallpages="1">
2265: <filterfunc>return $isNotMap;</filterfunc>
2266: <mapurl>$map</mapurl>
2267: <valuefunc>return $symbFilter;</valuefunc>
2268: <option text='Newpage' variable='FINISHPAGE' />
2269: </resource>
2270: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2271: <choices variable="EMPTY_PAGES">
2272: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2273: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2274: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2275: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2276: </choices>
2277: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2278: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2279: RESOURCE_SELECTOR
2280:
2281: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2282: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2283: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
2284: <choices variable='student_sort'>
2285: <choice computer='0'>Sort by section then student</choice>
2286: <choice computer='1'>Sort by students across sections.</choice>
2287: </choices>
2288:
2289: $resource_selector
2290: </state>
2291: CHOOSE_STUDENTS1
2292:
2293: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2294: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2295: <nextstate>PAGESIZE</nextstate>
2296: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2297: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2298: <validator>
2299: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2300: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2301: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2302: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2303: return "You need to specify the number of assignments to print";
2304: }
2305: return undef;
2306: </validator>
2307: </string>
2308: <message></td></tr><tr><td></message>
2309: <message><b>Value of CODE to print?</b></td><td></message>
2310: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2311: <validator>
2312: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2313: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2314: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2315: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2316: \$helper->{'VARS'}{'CODE_OPTION'});
2317: } else {
2318: return undef; # Other forces control us.
2319: }
2320: </validator>
2321: </string>
2322: <message></td></tr><tr><td></message>
2323: <message><b>Choose single code from list</b></message>
2324: <message></td><td></message>
2325: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2326: $code_selection
2327: </dropdown>
2328: <message></td></tr><tr><td></message>
2329: <message><b>Names to store the CODEs under for later:</b></message>
2330: <message></td><td></message>
2331: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2332: <message></td></tr><tr><td></message>
2333: <message><b>Bubble sheet type:</b></message>
2334: <message></td><td></message>
2335: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2336: $codechoice
2337: </dropdown>
2338: <message></td></tr></table></message>
2339: <message><hr width='33%' /></message>
2340: <message><b>Reprint a set of saved CODEs:</b></message>
2341: <dropdown variable="REUSE_OLD_CODES">
2342: $namechoice
2343: </dropdown>
2344: <message><hr width='33%' /></message>
2345: $resource_selector
2346: </state>
2347: CHOOSE_ANON2
2348: }
2349:
2350: # FIXME: That RE should come from a library somewhere.
2351: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2352: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2353:
2354: my $f = '$filename';
2355: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2356: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2357: <message>(mark them then click "next" button) <br /></message>
2358: <files variable="FILES" multichoice='1'>
2359: <nextstate>PAGESIZE</nextstate>
2360: <filechoice>return '$subdir';</filechoice>
2361: CHOOSE_FROM_SUBDIR
2362:
2363: # this is broken up because I really want interpolation above,
2364: # and I really DON'T want it below
2365: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2366: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2367: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2368: </filefilter>
2369: </files>
2370: </state>
2371: CHOOSE_FROM_SUBDIR
2372: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2373: }
2374:
2375: # Allow the user to select any sequence in the course, feed it to
2376: # another resource selector for that sequence
2377: if (!$helper->{VARS}->{'construction'}) {
2378: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
2379: 'select_sequences', 'CHOOSE_SEQUENCE'];
2380: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2381: #Escape apostrophes and backslashes for Perl
2382: $escapedSequenceName =~ s/\\/\\\\/g;
2383: $escapedSequenceName =~ s/'/\\'/g;
2384: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2385: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2386: <message>Select the sequence to print resources from:</message>
2387: <resource variable="SEQUENCE">
2388: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2389: <filterfunc>return \$res->is_sequence;</filterfunc>
2390: <valuefunc>return $urlValue;</valuefunc>
2391: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2392: </choicefunc>
2393: <option text='Newpage' variable='FINISHPAGE' />
2394: </resource>
2395: </state>
2396: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2397: <message>(mark desired resources then click "next" button) <br /></message>
2398: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2399: closeallpages="1">
2400: <nextstate>PAGESIZE</nextstate>
2401: <filterfunc>return $isProblem</filterfunc>
2402: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2403: <valuefunc>return $symbFilter;</valuefunc>
2404: <option text='Newpage' variable='FINISHPAGE' />
2405: </resource>
2406: </state>
2407: CHOOSE_FROM_ANY_SEQUENCE
2408: }
2409:
2410: # Generate the first state, to select which resources get printed.
2411: Apache::lonhelper::state->new("START", "Select Printing Options:");
2412: $paramHash = Apache::lonhelper::getParamHash();
2413: $paramHash->{MESSAGE_TEXT} = "";
2414: Apache::lonhelper::message->new();
2415: $paramHash = Apache::lonhelper::getParamHash();
2416: $paramHash->{'variable'} = 'PRINT_TYPE';
2417: $paramHash->{CHOICES} = $printChoices;
2418: Apache::lonhelper::choices->new();
2419:
2420: my $startedTable = 0; # have we started an HTML table yet? (need
2421: # to close it later)
2422:
2423: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2424: ($helper->{VARS}->{'construction'} eq '1')) {
2425: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2426: $paramHash = Apache::lonhelper::getParamHash();
2427: $paramHash->{'variable'} = 'ANSWER_TYPE';
2428: $helper->declareVar('ANSWER_TYPE');
2429: $paramHash->{CHOICES} = [
2430: ['Without Answers', 'yes'],
2431: ['With Answers', 'no'],
2432: ['Only Answers', 'only']
2433: ];
2434: Apache::lonhelper::dropdown->new();
2435: addMessage("</td></tr>");
2436: $startedTable = 1;
2437: }
2438:
2439: if ($perm{'pav'}) {
2440: if (!$startedTable) {
2441: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2442: $startedTable = 1;
2443: } else {
2444: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2445: }
2446: $paramHash = Apache::lonhelper::getParamHash();
2447: $paramHash->{'variable'} = 'LATEX_TYPE';
2448: $helper->declareVar('LATEX_TYPE');
2449: if ($helper->{VARS}->{'construction'} eq '1') {
2450: $paramHash->{CHOICES} = [
2451: ['standard LaTeX mode', 'standard'],
2452: ['LaTeX batchmode', 'batchmode'], ];
2453: } else {
2454: $paramHash->{CHOICES} = [
2455: ['LaTeX batchmode', 'batchmode'],
2456: ['standard LaTeX mode', 'standard'] ];
2457: }
2458: Apache::lonhelper::dropdown->new();
2459:
2460: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2461: $paramHash = Apache::lonhelper::getParamHash();
2462: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2463: $helper->declareVar('TABLE_CONTENTS');
2464: $paramHash->{CHOICES} = [
2465: ['No', 'no'],
2466: ['Yes', 'yes'] ];
2467: Apache::lonhelper::dropdown->new();
2468: addMessage("</td></tr>");
2469:
2470: if (not $helper->{VARS}->{'construction'}) {
2471: addMessage("<tr><td align='right'>Print Index: </td><td>");
2472: $paramHash = Apache::lonhelper::getParamHash();
2473: $paramHash->{'variable'} = 'TABLE_INDEX';
2474: $helper->declareVar('TABLE_INDEX');
2475: $paramHash->{CHOICES} = [
2476: ['No', 'no'],
2477: ['Yes', 'yes'] ];
2478: Apache::lonhelper::dropdown->new();
2479: addMessage("</td></tr>");
2480: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2481: $paramHash = Apache::lonhelper::getParamHash();
2482: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2483: $helper->declareVar('PRINT_DISCUSSIONS');
2484: $paramHash->{CHOICES} = [
2485: ['No', 'no'],
2486: ['Yes', 'yes'] ];
2487: Apache::lonhelper::dropdown->new();
2488: addMessage("</td></tr>");
2489:
2490: addMessage("<tr><td align = 'right'> </td><td>");
2491: $paramHash = Apache::lonhelper::getParamHash();
2492: $paramHash->{'multichoice'} = "true";
2493: $paramHash->{'allowempty'} = "true";
2494: $paramHash->{'variable'} = "showallfoils";
2495: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2496: Apache::lonhelper::choices->new();
2497: addMessage("</td></tr>");
2498: }
2499:
2500: if ($helper->{'VARS'}->{'construction'}) {
2501: my $stylevalue=$env{'construct.style'};
2502: my $xmlfrag .= <<"RNDSEED";
2503: <message><tr><td align='right'>Use random seed: </td><td></message>
2504: <string variable="curseed" size="15" maxlength="15">
2505: <defaultvalue>
2506: return $helper->{VARS}->{'curseed'};
2507: </defaultvalue>
2508: </string>
2509: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2510: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message>
2511: <choices allowempty="1" multichoice="true" variable="showallfoils">
2512: <choice computer="1">Show all foils?</choice>
2513: </choices>
2514: <message></td></tr></message>
2515: RNDSEED
2516: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2517: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2518:
2519: }
2520: }
2521:
2522:
2523:
2524:
2525: if ($startedTable) {
2526: addMessage("</table>");
2527: }
2528:
2529: Apache::lonprintout::page_format_state->new("FORMAT");
2530:
2531: # Generate the PAGESIZE state which will offer the user the margin
2532: # choices if they select one column
2533: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2534: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2535:
2536:
2537: $helper->process();
2538:
2539: # MANUAL BAILOUT CONDITION:
2540: # If we're in the "final" state, bailout and return to handler
2541: if ($helper->{STATE} eq 'FINAL') {
2542: return $helper;
2543: }
2544:
2545: $r->print($helper->display());
2546: if ($helper->{STATE} eq 'START') {
2547: &recently_generated($r);
2548: }
2549: &Apache::lonhelper::unregisterHelperTags();
2550:
2551: return OK;
2552: }
2553:
2554:
2555: 1;
2556:
2557: package Apache::lonprintout::page_format_state;
2558:
2559: =pod
2560:
2561: =head1 Helper element: page_format_state
2562:
2563: See lonhelper.pm documentation for discussion of the helper framework.
2564:
2565: Apache::lonprintout::page_format_state is an element that gives the
2566: user an opportunity to select the page layout they wish to print
2567: with: Number of columns, portrait/landscape, and paper size. If you
2568: want to change the paper size choices, change the @paperSize array
2569: contents in this package.
2570:
2571: page_format_state is always directly invoked in lonprintout.pm, so there
2572: is no tag interface. You actually pass parameters to the constructor.
2573:
2574: =over 4
2575:
2576: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2577:
2578: =back
2579:
2580: =cut
2581:
2582: use Apache::lonhelper;
2583:
2584: no strict;
2585: @ISA = ("Apache::lonhelper::element");
2586: use strict;
2587: use Apache::lonlocal;
2588: use Apache::lonnet;
2589:
2590: my $maxColumns = 2;
2591: # it'd be nice if these all worked
2592: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2593: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2594: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2595: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2596: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2597: "a4 [210x297 mm]");
2598:
2599: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2600: # Paper type
2601:
2602: sub new {
2603: my $self = Apache::lonhelper::element->new();
2604:
2605: shift;
2606:
2607: $self->{'variable'} = shift;
2608: my $helper = Apache::lonhelper::getHelper();
2609: $helper->declareVar($self->{'variable'});
2610: bless($self);
2611: return $self;
2612: }
2613:
2614: sub render {
2615: my $self = shift;
2616: my $helper = Apache::lonhelper::getHelper();
2617: my $result = '';
2618: my $var = $self->{'variable'};
2619: my $PageLayout=&mt('Page layout');
2620: my $NumberOfColumns=&mt('Number of columns');
2621: my $PaperType=&mt('Paper type');
2622: $result .= <<STATEHTML;
2623:
2624: <hr width="33%" />
2625: <table cellpadding="3">
2626: <tr>
2627: <td align="center"><b>$PageLayout</b></td>
2628: <td align="center"><b>$NumberOfColumns</b></td>
2629: <td align="center"><b>$PaperType</b></td>
2630: </tr>
2631: <tr>
2632: <td>
2633: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2634: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2635: </td>
2636: <td align="center">
2637: <select name="${var}.cols">
2638: STATEHTML
2639:
2640: my $i;
2641: for ($i = 1; $i <= $maxColumns; $i++) {
2642: if ($i == 2) {
2643: $result .= "<option value='$i' selected>$i</option>\n";
2644: } else {
2645: $result .= "<option value='$i'>$i</option>\n";
2646: }
2647: }
2648:
2649: $result .= "</select></td><td>\n";
2650: $result .= "<select name='${var}.paper'>\n";
2651:
2652: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2653: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
2654: $DefaultPaperSize=~s/\s//g;
2655: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2656: $i = 0;
2657: foreach (@paperSize) {
2658: $_=~/(\w+)/;
2659: my $papersize=$1;
2660: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2661: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2662: } else {
2663: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2664: }
2665: $i++;
2666: }
2667: $result .= "</select></td></tr></table>";
2668: return $result;
2669: }
2670:
2671: sub postprocess {
2672: my $self = shift;
2673:
2674: my $var = $self->{'variable'};
2675: my $helper = Apache::lonhelper->getHelper();
2676: $helper->{VARS}->{$var} =
2677: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2678: $env{"form.$var.paper"};
2679: return 1;
2680: }
2681:
2682: 1;
2683:
2684: package Apache::lonprintout::page_size_state;
2685:
2686: =pod
2687:
2688: =head1 Helper element: page_size_state
2689:
2690: See lonhelper.pm documentation for discussion of the helper framework.
2691:
2692: Apache::lonprintout::page_size_state is an element that gives the
2693: user the opportunity to further refine the page settings if they
2694: select a single-column page.
2695:
2696: page_size_state is always directly invoked in lonprintout.pm, so there
2697: is no tag interface. You actually pass parameters to the constructor.
2698:
2699: =over 4
2700:
2701: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2702:
2703: =back
2704:
2705: =cut
2706:
2707: use Apache::lonhelper;
2708: use Apache::lonnet;
2709: no strict;
2710: @ISA = ("Apache::lonhelper::element");
2711: use strict;
2712:
2713:
2714:
2715: sub new {
2716: my $self = Apache::lonhelper::element->new();
2717:
2718: shift; # disturbs me (probably prevents subclassing) but works (drops
2719: # package descriptor)... - Jeremy
2720:
2721: $self->{'variable'} = shift;
2722: my $helper = Apache::lonhelper::getHelper();
2723: $helper->declareVar($self->{'variable'});
2724:
2725: # The variable name of the format element, so we can look into
2726: # $helper->{VARS} to figure out whether the columns are one or two
2727: $self->{'formatvar'} = shift;
2728:
2729: # The state to transition to after selection, or after discovering
2730: # the cols are not set to 1
2731: $self->{NEXTSTATE} = shift;
2732: bless($self);
2733: return $self;
2734: }
2735:
2736: sub render {
2737: my $self = shift;
2738: my $helper = Apache::lonhelper::getHelper();
2739: my $result = '';
2740: my $var = $self->{'variable'};
2741:
2742: if (defined $self->{ERROR_MSG}) {
2743: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2744: }
2745:
2746: $result .= <<ELEMENTHTML;
2747:
2748: <p>How should the column be formatted?</p>
2749:
2750: <table cellpadding='3'>
2751: <tr>
2752: <td align='right'><b>Width</b>:</td>
2753: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2754: <td align='left'>
2755: <select name='$var.widthunit'>
2756: <option>cm</option><option>in</option>
2757: </select>
2758: </td>
2759: </tr>
2760: <tr>
2761: <td align='right'><b>Height</b>:</td>
2762: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2763: <td align='left'>
2764: <select name='$var.heightunit'>
2765: <option>cm</option><option>in</option>
2766: </select>
2767: </td>
2768: </tr>
2769: <tr>
2770: <td align='right'><b>Left margin</b>:</td>
2771: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2772: <td align='left'>
2773: <select name='$var.lmarginunit'>
2774: <option>cm</option><option>in</option>
2775: </select>
2776: </td>
2777: </tr>
2778: </table>
2779:
2780: <p>Hint: Some instructors like to leave scratch space for the student by
2781: making the width much smaller than the width of the page.</p>
2782:
2783: ELEMENTHTML
2784:
2785: return $result;
2786: }
2787:
2788: # If the user didn't select 1 column, skip this state.
2789: sub preprocess {
2790: my $self = shift;
2791: my $helper = Apache::lonhelper::getHelper();
2792:
2793: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2794: if (substr($format, 2, 1) ne '1') {
2795: $helper->changeState($self->{NEXTSTATE});
2796: }
2797:
2798: return 1;
2799: }
2800:
2801: sub postprocess {
2802: my $self = shift;
2803:
2804: my $var = $self->{'variable'};
2805: my $helper = Apache::lonhelper->getHelper();
2806: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
2807: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
2808: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
2809: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
2810: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
2811: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
2812:
2813: my $error = '';
2814:
2815: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2816: # by an optional period, followed by digits, ending the string
2817:
2818: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2819: $error .= "Invalid width; please type only a number.<br />\n";
2820: }
2821: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2822: $error .= "Invalid height; please type only a number.<br />\n";
2823: }
2824: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2825: $error .= "Invalid left margin; please type only a number.<br />\n";
2826: }
2827:
2828: if (!$error) {
2829: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2830: return 1;
2831: } else {
2832: $self->{ERROR_MSG} = $error;
2833: return 0;
2834: }
2835: }
2836:
2837:
2838:
2839: __END__
2840:
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