1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.408.2.1 2005/12/23 08:34:43 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: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
754:
755: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
756: $result =~ s/\$number_of_columns/$number_of_columns/g;
757: if ($selectionmade eq '1' || $answer_mode eq 'only') {
758: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/;
759: } else {
760: $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/;
761: }
762: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
763: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
764: #-- LaTeX corrections
765: my $first_comment = index($result,'<!--',0);
766: while ($first_comment != -1) {
767: my $end_comment = index($result,'-->',$first_comment);
768: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
769: $first_comment = index($result,'<!--',$first_comment);
770: }
771: $result =~ s/^\s+$//gm; #remove empty lines
772: #removes more than one empty space
773: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
774: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
775: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
776: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
777: $result =~ s/\\\\\s+\[/ \[/g;
778: #conversion of html characters to LaTeX equivalents
779: if ($result =~ m/&(\w+|#\d+);/) {
780: $result = &character_chart($result);
781: }
782: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
783: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
784:
785: return $result;
786: }
787:
788:
789: sub index_table {
790: my $currentURL = shift;
791: my $insex_string='';
792: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
793: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
794: return $insex_string;
795: }
796:
797:
798: sub IndexCreation {
799: my ($texversion,$currentURL)=@_;
800: my @key_words=split(/,/,&index_table($currentURL));
801: my $chunk='';
802: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
803: if ($st>0) {
804: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
805: $chunk=substr($texversion,0,$st+1);
806: substr($texversion,0,$st+1)=' ';
807: }
808: foreach my $key_word (@key_words) {
809: if ($key_word=~/\S+/) {
810: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
811: }
812: }
813: if ($st>0) {substr($texversion,0,1)=$chunk;}
814: return $texversion;
815: }
816:
817: sub print_latex_header {
818: my $mode=shift;
819: my $output='\documentclass[letterpaper]{article}';
820: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
821: $output.='\batchmode';
822: }
823: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
824: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
825: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
826: '\usepackage{wrapfig}'.
827: '\usepackage{picins}\usepackage{calc}'."\n".
828: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
829: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
830: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
831: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
832: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
833: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
834: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
835: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
836: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
837: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
838: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
839: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
840: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
841: return $output;
842: }
843:
844: sub path_to_problem {
845: my ($urlp,$colwidth)=@_;
846: $urlp=&Apache::lonnet::clutter($urlp);
847:
848: my $newurlp = '';
849: $colwidth=~s/\s*mm\s*$//;
850: #characters average about 2 mm in width
851: if (length($urlp)*2 > $colwidth) {
852: my @elements = split('/',$urlp);
853: my $curlength=0;
854: foreach my $element (@elements) {
855: if ($element eq '') { next; }
856: if ($curlength+(length($element)*2) > $colwidth) {
857: $newurlp .= '|\vskip -1 mm \verb|';
858: $curlength=length($element)*2;
859: } else {
860: $curlength+=length($element)*2;
861: }
862: $newurlp.='/'.$element;
863: }
864: } else {
865: $newurlp=$urlp;
866: }
867: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
868: }
869:
870: sub recalcto_mm {
871: my $textwidth=shift;
872: my $LaTeXwidth;
873: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
874: $LaTeXwidth = $1*10;
875: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
876: $LaTeXwidth = $1;
877: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
878: $LaTeXwidth = $1*25.4;
879: }
880: $LaTeXwidth.=' mm';
881: return $LaTeXwidth;
882: }
883:
884: sub get_textwidth {
885: my ($helper,$LaTeXwidth)=@_;
886: my $textwidth=$LaTeXwidth;
887: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
888: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
889: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
890: $helper->{'VARS'}->{'pagesize.widthunit'});
891: }
892: return $textwidth;
893: }
894:
895:
896: sub unsupported {
897: my ($currentURL,$mode)=@_;
898: if ($mode ne '') {$mode='\\'.$mode}
899: my $result.= &print_latex_header($mode);
900: if ($currentURL=~/\/ext\//) {
901: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
902: } else {
903: $result.=$currentURL;
904: }
905: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
906: return $result;
907: }
908:
909:
910: #
911: # List of recently generated print files
912: #
913: sub recently_generated {
914: my $r=shift;
915: my $prtspool=$r->dir_config('lonPrtDir');
916: my $zip_result;
917: my $pdf_result;
918: opendir(DIR,$prtspool);
919:
920: my @files =
921: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
922: closedir(DIR);
923:
924: @files = sort {
925: my ($actime) = (stat($prtspool.'/'.$a))[10];
926: my ($bctime) = (stat($prtspool.'/'.$b))[10];
927: return $bctime <=> $actime;
928: } (@files);
929:
930: foreach my $filename (@files) {
931: my ($ext) = ($filename =~ m/(pdf|zip)$/);
932: my ($cdev,$cino,$cmode,$cnlink,
933: $cuid,$cgid,$crdev,$csize,
934: $catime,$cmtime,$cctime,
935: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
936: my $result="<a href='/prtspool/$filename'>".
937: &mt('Generated [_1] ([_2] bytes)',
938: &Apache::lonlocal::locallocaltime($cctime),$csize).
939: '</a><br />';
940: if ($ext eq 'pdf') { $pdf_result .= $result; }
941: if ($ext eq 'zip') { $zip_result .= $result; }
942: }
943: if ($zip_result) {
944: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
945: .$zip_result);
946: }
947: if ($pdf_result) {
948: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
949: .$pdf_result);
950: }
951: }
952:
953: #
954: # Retrieve the hash of page breaks.
955: #
956: # Inputs:
957: # helper - reference to helper object.
958: # Outputs
959: # A reference to a page break hash.
960: #
961: #
962:
963: sub get_page_breaks {
964: my ($helper) = @_;
965: my %page_breaks;
966:
967: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
968: $page_breaks{$break} = 1;
969: }
970:
971: return %page_breaks;
972: }
973:
974: sub output_data {
975: my ($r,$helper,$rparmhash) = @_;
976: my %parmhash = %$rparmhash;
977: my $resources_printed = '';
978: my $html=&Apache::lonxml::xmlbegin();
979: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
980: $r->print(<<ENDPART);
981: $html
982: <head>
983: <script type="text/javascript" language="Javascript">
984: var editbrowser;
985: function openbrowser(formname,elementname,only,omit) {
986: var url = '/res/?';
987: if (editbrowser == null) {
988: url += 'launch=1&';
989: }
990: url += 'catalogmode=interactive&';
991: url += 'mode=parmset&';
992: url += 'form=' + formname + '&';
993: if (only != null) {
994: url += 'only=' + only + '&';
995: }
996: if (omit != null) {
997: url += 'omit=' + omit + '&';
998: }
999: url += 'element=' + elementname + '';
1000: var title = 'Browser';
1001: var options = 'scrollbars=1,resizable=1,menubar=0';
1002: options += ',width=700,height=600';
1003: editbrowser = open(url,title,options,'1');
1004: editbrowser.focus();
1005: }
1006: </script>
1007: <title>LON-CAPA output for printing</title>
1008: </head>
1009: $bodytag
1010: <p>
1011: Please stand by while processing your print request, this may take some time ...
1012: </p>
1013: ENDPART
1014:
1015:
1016:
1017: # fetch the pagebreaks and store them in the course environment
1018: # The page breaks will be pulled into the hash %page_breaks which is
1019: # indexed by symb and contains 1's for each break.
1020:
1021: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1022: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1023: &Apache::loncommon::store_course_settings('print',
1024: {'pagebreaks' => 'scalar',
1025: 'lastprinttype' => 'scalar'});
1026:
1027: my %page_breaks = &get_page_breaks($helper);
1028:
1029: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1030: my ($result,$selectionmade) = ('','');
1031: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1032: my @temporary_array=split /\|/,$format_from_helper;
1033: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1034: if ($laystyle eq 'L') {
1035: $laystyle='album';
1036: } else {
1037: $laystyle='book';
1038: }
1039: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1040: my $assignment = $env{'form.assignment'};
1041: my $LaTeXwidth=&recalcto_mm($textwidth);
1042: my @print_array=();
1043: my @student_names=();
1044:
1045: # Common settings for the %form has:
1046: # In some cases these settings get overriddent by specific cases, but the
1047: # settings are common enough to make it worthwhile factoring them out
1048: # here.
1049: #
1050: my %form;
1051: $form{'grade_target'} = 'tex';
1052: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1053:
1054: # If form.showallfoils is set, then request all foils be shown:
1055: # privilege will be enforced both by not allowing the
1056: # check box selecting this option to be presnt unless it's ok,
1057: # and by lonresponse's priv. check.
1058: # The if is here because lonresponse.pm only cares that
1059: # showallfoils is defined, not what the value is.
1060:
1061: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1062: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1063: }
1064:
1065: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1066: #-- single document - problem, page, html, xml, ...
1067: my ($currentURL,$cleanURL);
1068:
1069: if ($helper->{'VARS'}->{'construction'} ne '1') {
1070: #prints published resource
1071: $currentURL=$helper->{'VARS'}->{'postdata'};
1072: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1073: } else {
1074: #prints resource from the construction space
1075: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1076: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1077: $cleanURL=$currentURL;
1078: }
1079: $selectionmade = 1;
1080: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1081: my $rndseed=time;
1082: my $texversion='';
1083: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1084: my %moreenv;
1085: $moreenv{'request.filename'}=$cleanURL;
1086: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1087: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1088: my $dom = $env{'user.domain'};
1089: my $user = $env{'user.name'};
1090: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1091: }
1092: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1093: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1094: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1095: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1096: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1097: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1098: if ($helper->{'VARS'}->{'curseed'}) {
1099: $rndseed=$helper->{'VARS'}->{'curseed'};
1100: }
1101: $form{'rndseed'}=$rndseed;
1102: &Apache::lonnet::appenv(%moreenv);
1103: &Apache::lonnet::delenv('form.counter');
1104: &Apache::lonxml::init_counter();
1105: &Apache::lonxml::store_counter();
1106: $resources_printed .= $currentURL.':';
1107: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1108: &Apache::lonnet::delenv('form.counter');
1109: &Apache::lonnet::delenv('request.filename');
1110: }
1111: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1112: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1113: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1114: $form{'grade_target'}='answer';
1115: $form{'answer_output_mode'}='tex';
1116: $form{'rndseed'}=$rndseed;
1117: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1118: $form{'problemtype'}='exam';
1119: }
1120: $resources_printed .= $currentURL.':';
1121: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1122: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1123: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1124: } else {
1125: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1126: if ($helper->{'VARS'}->{'construction'} ne '1') {
1127: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1128: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1129: } else {
1130: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1131: my $URLpath=$cleanURL;
1132: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1133: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1134: }
1135: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1136: }
1137: }
1138: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1139: $texversion=&IndexCreation($texversion,$currentURL);
1140: }
1141: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1142: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1143:
1144: }
1145: $result .= $texversion;
1146: if ($currentURL=~m/\.page\s*$/) {
1147: ($result,$number_of_columns) = &page_cleanup($result);
1148: }
1149: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1150: #printing content of sequence from the construction space
1151: my $flag_latex_header_remove = 'NO';
1152: my $rndseed=time;
1153: if ($helper->{'VARS'}->{'curseed'}) {
1154: $rndseed=$helper->{'VARS'}->{'curseed'};
1155: }
1156: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1157: my $errtext=&Apache::lonratedt::mapread($currentURL);
1158: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
1159: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
1160: my $urlp=$2;
1161: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1162: my $texversion='';
1163: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1164: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1165: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1166: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1167: $form{'rndseed'}=$rndseed;
1168: $resources_printed .=$urlp.':';
1169: $texversion=&Apache::lonnet::ssi($urlp,%form);
1170: }
1171: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1172: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1173: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1174: # Don't permanently modify %$form...
1175: my %answerform = %form;
1176: $answerform{'grade_target'}='answer';
1177: $answerform{'answer_output_mode'}='tex';
1178: $answerform{'rndseed'}=$rndseed;
1179: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1180: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1181: $resources_printed .= $urlp.':';
1182: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1183: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1184: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1185: } else {
1186: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1187: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1188: $texversion.=&path_to_problem($urlp,$LaTeXwidth);
1189: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1190: }
1191: }
1192: if ($flag_latex_header_remove ne 'NO') {
1193: $texversion = &latex_header_footer_remove($texversion);
1194: } else {
1195: $texversion =~ s/\\end{document}//;
1196: }
1197: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1198: $texversion=&IndexCreation($texversion,$urlp);
1199: }
1200: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1201: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1202: }
1203: $result.=$texversion;
1204: $flag_latex_header_remove = 'YES';
1205: } elsif ($urlp=~/\.(sequence|page)$/) {
1206: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1207: }
1208: }
1209: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1210: $result .= '\end{document}';
1211: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1212: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1213: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1214: $resources_printed .= $currentURL.':';
1215: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1216: $result .= $texversion;
1217: } else {
1218: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1219: }
1220: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1221: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1222: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1223: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1224: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1225: #-- produce an output string
1226: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1227: $selectionmade = 2;
1228: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1229: $selectionmade = 3;
1230: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1231: $selectionmade = 4;
1232: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1233: $selectionmade = 4;
1234: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1235: $selectionmade = 7;
1236: }
1237: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1238: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1239: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1240: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1241: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1242: my $flag_latex_header_remove = 'NO';
1243: my $flag_page_in_sequence = 'NO';
1244: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1245: my $prevassignment='';
1246: &Apache::lonnet::delenv('form.counter');
1247: &Apache::lonxml::init_counter();
1248: &Apache::lonxml::store_counter();
1249: for (my $i=0;$i<=$#master_seq;$i++) {
1250:
1251: # Note due to document structure, not allowed to put \newpage
1252: # prior to the first resource
1253:
1254: if (defined $page_breaks{$master_seq[$i]}) {
1255: if($i != 0) {
1256: $result.="\\newpage\n";
1257: }
1258: }
1259: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1260: $urlp=&Apache::lonnet::clutter($urlp);
1261: $form{'symb'}=$master_seq[$i];
1262:
1263: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1264: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1265: if ($i==0) {$prevassignment=$assignment;}
1266: my $texversion='';
1267: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1268: $resources_printed .= $urlp.':';
1269: my $pre_counter=$env{'form.counter'};
1270: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1271: if ($urlp=~/\.page$/) {
1272: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1273: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1274: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1275: $flag_page_in_sequence = 'YES';
1276: }
1277: my ($envfile) = ($env{'user.environment'} =~m|/([^/]+)\.id$| );
1278: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
1279: $envfile);
1280: my $current_counter=$env{'form.counter'};
1281: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1282: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1283: # Don't permanently pervert the %form hash
1284: my %answerform = %form;
1285: $answerform{'grade_target'}='answer';
1286: $answerform{'answer_output_mode'}='tex';
1287: $resources_printed .= $urlp.':';
1288: &Apache::lonnet::appenv(('form.counter' => $pre_counter));
1289: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1290: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1291: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1292: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1293: } else {
1294: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1295: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1296: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm ';
1297: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1298: $texversion.='\vskip 1 mm '.$answer;
1299: } else {
1300: $texversion='';
1301: }
1302: }
1303: }
1304: if ($flag_latex_header_remove ne 'NO') {
1305: $texversion = &latex_header_footer_remove($texversion);
1306: } else {
1307: $texversion =~ s/\\end{document}//;
1308: }
1309: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1310: $texversion=&IndexCreation($texversion,$urlp);
1311: }
1312: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1313: my $name = &get_name();
1314: my $courseidinfo = &get_course();
1315: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1316: $prevassignment=$assignment;
1317: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1318: }
1319: $result .= $texversion;
1320: $flag_latex_header_remove = 'YES';
1321: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1322: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1323: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1324: $resources_printed .= $urlp.':';
1325: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1326: if ($flag_latex_header_remove ne 'NO') {
1327: $texversion = &latex_header_footer_remove($texversion);
1328: } else {
1329: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1330: }
1331: $result .= $texversion;
1332: $flag_latex_header_remove = 'YES';
1333: } else {
1334: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1335: if ($flag_latex_header_remove ne 'NO') {
1336: $texversion = &latex_header_footer_remove($texversion);
1337: } else {
1338: $texversion =~ s/\\end{document}//;
1339: }
1340: $result .= $texversion;
1341: $flag_latex_header_remove = 'YES';
1342: }
1343: if (&Apache::loncommon::connection_aborted($r)) { last; }
1344: }
1345: &Apache::lonnet::delenv('form.counter');
1346: if ($flag_page_in_sequence eq 'YES') {
1347: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1348: }
1349: $result .= '\end{document}';
1350: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1351: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1352:
1353:
1354: #-- prints assignments for whole class or for selected students
1355: my $type;
1356: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1357: $selectionmade=5;
1358: $type='problems';
1359: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1360: $selectionmade=8;
1361: $type='resources';
1362: }
1363: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1364: # The normal sort order is by section then by students within the
1365: # section. If the helper var student_sort is 1, then the user has elected
1366: # to override this and output the students by name.
1367: # Each element of the students array is of the form:
1368: # username:domain:section:last, first:status
1369: #
1370: #
1371: if ($helper->{'VARS'}->{'student_sort'} eq 1) {
1372: @students = sort compare_names @students;
1373: }
1374: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1375: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1376: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1377: }
1378: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1379:
1380: #loop over students
1381: my $flag_latex_header_remove = 'NO';
1382: my %moreenv;
1383: $moreenv{'instructor_comments'}='hide';
1384: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1385: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1386: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1387: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1388: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1389: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1390: my $student_counter=-1;
1391: foreach my $person (@students) {
1392:
1393: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1394: if (-e $duefile) {
1395: my $temp_file = Apache::File->new('>>'.$duefile);
1396: print $temp_file "1969\n";
1397: }
1398: $student_counter++;
1399: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1400: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1401: $person,$type,
1402: \%moreenv,\@master_seq,
1403: $flag_latex_header_remove,
1404: $LaTeXwidth,
1405: $number_of_columns);
1406: $resources_printed .= ":";
1407: $print_array[$i].=$output;
1408: $student_names[$i].=$person.':'.$fullname.'_END_';
1409: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1410: $flag_latex_header_remove = 'YES';
1411: if (&Apache::loncommon::connection_aborted($r)) { last; }
1412: }
1413: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1414: $result .= $print_array[0].' \end{document}';
1415: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1416: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1417: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1418: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1419: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1420: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1421: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1422: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1423: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1424:
1425: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1426: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1427: my ($code_type,$code_length)=('letter',6);
1428: foreach my $line (<FH>) {
1429: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1430: if ($name eq $code_option) {
1431: $code_length=$length;
1432: if ($type eq 'number') { $code_type = 'number'; }
1433: }
1434: }
1435: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1436: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1437: my $seed=time+($$<<16)+($$);
1438: my @allcodes;
1439: if ($old_name) {
1440: my %result=&Apache::lonnet::get('CODEs',
1441: [$old_name,"type\0$old_name"],
1442: $cdom,$cnum);
1443: $code_type=$result{"type\0$old_name"};
1444: @allcodes=split(',',$result{$old_name});
1445: $num_todo=scalar(@allcodes);
1446: } elsif ($selected_code) { # Selection value is always numeric.
1447: $num_todo = 1;
1448: @allcodes = ($selected_code);
1449: } elsif ($single_code) {
1450:
1451: $num_todo = 1; # Unconditionally one code to do.
1452: # If an alpha code have to convert to numbers so it can be
1453: # converted back to letters again :-)
1454: #
1455: if ($code_type ne 'number') {
1456: $single_code = &letters_to_num($single_code);
1457: }
1458: @allcodes = ($single_code);
1459: } else {
1460: my %allcodes;
1461: srand($seed);
1462: for (my $i=0;$i<$num_todo;$i++) {
1463: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1464: $code_type);
1465: }
1466: if ($code_name) {
1467: &Apache::lonnet::put('CODEs',
1468: {
1469: $code_name =>join(',',keys(%allcodes)),
1470: "type\0$code_name" => $code_type
1471: },
1472: $cdom,$cnum);
1473: }
1474: @allcodes=keys(%allcodes);
1475: }
1476: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1477: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1478: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1479: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1480: $number_per_page=$num_todo;
1481: }
1482: my $flag_latex_header_remove = 'NO';
1483: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1484: my $count=0;
1485: foreach my $code (sort(@allcodes)) {
1486: my $file_num=int($count/$number_per_page);
1487: if ($code_type eq 'number') {
1488: $moreenv{'CODE'}=$code;
1489: } else {
1490: $moreenv{'CODE'}=&num_to_letters($code);
1491: }
1492: my ($output,$fullname, $printed)=
1493: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1494: \@master_seq,$flag_latex_header_remove,
1495: $LaTeXwidth);
1496: $resources_printed .= ":";
1497: $print_array[$file_num].=$output;
1498: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1499: &mt('last assignment').' '.$fullname);
1500: $flag_latex_header_remove = 'YES';
1501: $count++;
1502: if (&Apache::loncommon::connection_aborted($r)) { last; }
1503: }
1504: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1505: $result .= $print_array[0].' \end{document}';
1506: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1507: #prints selected problems from the subdirectory
1508: $selectionmade = 6;
1509: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1510: @list_of_files=sort @list_of_files;
1511: my $flag_latex_header_remove = 'NO';
1512: my $rndseed=time;
1513: if ($helper->{'VARS'}->{'curseed'}) {
1514: $rndseed=$helper->{'VARS'}->{'curseed'};
1515: }
1516: for (my $i=0;$i<=$#list_of_files;$i++) {
1517: my $urlp = $list_of_files[$i];
1518: $urlp=~s|//|/|;
1519: if ($urlp=~/\//) {
1520: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1521: $form{'rndseed'}=$rndseed;
1522: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1523: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1524: } else {
1525: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1526: }
1527: $resources_printed .= $urlp.':';
1528: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1529: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1530: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1531: # Don't permanently pervert %form:
1532: my %answerform = %form;
1533: $answerform{'grade_target'}='answer';
1534: $answerform{'answer_output_mode'}='tex';
1535: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1536: $answerform{'rndseed'}=$rndseed;
1537: $resources_printed .= $urlp.':';
1538: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1539: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1540: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1541: } else {
1542: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1543: if ($helper->{'VARS'}->{'construction'} ne '1') {
1544: $texversion.='\vskip 0 mm \noindent ';
1545: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1546: } else {
1547: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1548: my $URLpath=$urlp;
1549: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1550: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1551: }
1552: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1553: }
1554: }
1555: #this chunck is responsible for printing the path to problem
1556: my $newurlp=$urlp;
1557: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1558: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1559: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1560: if ($flag_latex_header_remove ne 'NO') {
1561: $texversion = &latex_header_footer_remove($texversion);
1562: } else {
1563: $texversion =~ s/\\end{document}//;
1564: }
1565: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1566: $texversion=&IndexCreation($texversion,$urlp);
1567: }
1568: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1569: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1570:
1571: }
1572: $result .= $texversion;
1573: }
1574: $flag_latex_header_remove = 'YES';
1575: }
1576: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1577: $result .= '\end{document}';
1578: }
1579: #-------------------------------------------------------- corrections for the different page formats
1580: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1581: $result = &latex_corrections($number_of_columns,$result,$selectionmade,
1582: $helper->{'VARS'}->{'ANSWER_TYPE'});
1583: for (my $i=1;$i<=$#print_array;$i++) {
1584: $print_array[$i] =
1585: &latex_corrections($number_of_columns,$print_array[$i],
1586: $selectionmade,
1587: $helper->{'VARS'}->{'ANSWER_TYPE'});
1588: }
1589: #changes page's parameters for the one column output
1590: if ($numberofcolumns == 1) {
1591: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1592: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1593: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1594: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1595: }
1596:
1597: #-- writing .tex file in prtspool
1598: my $temp_file;
1599: my $identifier = &Apache::loncommon::get_cgi_id();
1600: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1601: if (!($#print_array>0)) {
1602: unless ($temp_file = Apache::File->new('>'.$filename)) {
1603: $r->log_error("Couldn't open $filename for output $!");
1604: return SERVER_ERROR;
1605: }
1606: print $temp_file $result;
1607: my $begin=index($result,'\begin{document}',0);
1608: my $inc=substr($result,0,$begin+16);
1609: } else {
1610: my $begin=index($result,'\begin{document}',0);
1611: my $inc=substr($result,0,$begin+16);
1612: for (my $i=0;$i<=$#print_array;$i++) {
1613: if ($i==0) {
1614: $print_array[$i]=$result;
1615: } else {
1616: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1617: substr($print_array[$i],0,$anobegin)='';
1618: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1619: }
1620: my $temp_file;
1621: my $newfilename=$filename;
1622: my $num=$i+1;
1623: $newfilename =~s/\.tex$//;
1624: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1625: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1626: $r->log_error("Couldn't open $newfilename for output $!");
1627: return SERVER_ERROR;
1628: }
1629: print $temp_file $print_array[$i];
1630: }
1631: }
1632: my $student_names='';
1633: if ($#print_array>0) {
1634: for (my $i=0;$i<=$#print_array;$i++) {
1635: $student_names.=$student_names[$i].'_ENDPERSON_';
1636: }
1637: } else {
1638: if ($#student_names>-1) {
1639: $student_names=$student_names[0].'_ENDPERSON_';
1640: } else {
1641: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1642: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1643: $env{'request.course.sec'},$fullname).
1644: '_ENDPERSON_'.'_END_';
1645: }
1646: }
1647:
1648: my $URLback=''; #link to original document
1649: if ($helper->{'VARS'}->{'construction'} ne '1') {
1650: #prints published resource
1651: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1652: } else {
1653: #prints resource from the construction space
1654: $URLback='/'.$helper->{'VARS'}->{'filename'};
1655: if ($URLback=~/([^?]+)/) {
1656: $URLback=$1;
1657: $URLback=~s|^/~|/priv/|;
1658: }
1659: }
1660: # logic for now is too complex to trace if this has been defined
1661: # yet.
1662: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1663: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1664: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1665: 'cgi.'.$identifier.'.layout' => $laystyle,
1666: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1667: 'cgi.'.$identifier.'.paper' => $papersize,
1668: 'cgi.'.$identifier.'.selection' => $selectionmade,
1669: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1670: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1671: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1672: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1673: 'cgi.'.$identifier.'.studentnames' => $student_names,
1674: 'cgi.'.$identifier.'.backref' => $URLback,);
1675: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1676: "cgi.$identifier.domain" => $env{'user.domain'},
1677: "cgi.$identifier.courseid" => $cnum,
1678: "cgi.$identifier.coursedom" => $cdom,
1679: "cgi.$identifier.resources" => $resources_printed);
1680:
1681: $r->print(<<FINALEND);
1682: <br />
1683: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1684: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1685: </body>
1686: </html>
1687: FINALEND
1688: }
1689:
1690:
1691: sub get_CODE {
1692: my ($all_codes,$num,$seed,$size,$type)=@_;
1693: my $max='1'.'0'x$size;
1694: my $newcode;
1695: while(1) {
1696: $newcode=sprintf("%0".$size."d",int(rand($max)));
1697: if (!exists($$all_codes{$newcode})) {
1698: $$all_codes{$newcode}=1;
1699: if ($type eq 'number' ) {
1700: return $newcode;
1701: } else {
1702: return &num_to_letters($newcode);
1703: }
1704: }
1705: }
1706: }
1707:
1708: sub print_resources {
1709: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1710: $LaTeXwidth,$number_of_columns)=@_;
1711: my $current_output = '';
1712: my $printed = '';
1713: my ($username,$userdomain,$usersection) = split /:/,$person;
1714: my $fullname = &get_name($username,$userdomain);
1715: my $namepostfix;
1716: if ($person =~ 'anon') {
1717: $namepostfix="\\\\Name: ";
1718: $fullname = "CODE - ".$moreenv->{'CODE'};
1719: }
1720: my $i = 0;
1721: #goes through all resources, checks if they are available for
1722: #current student, and produces output
1723: &Apache::lonnet::delenv('form.counter');
1724: &Apache::lonxml::init_counter();
1725: &Apache::lonxml::store_counter();
1726: my %page_breaks = &get_page_breaks($helper);
1727:
1728: foreach my $curresline (@{$master_seq}) {
1729: if (defined $page_breaks{$curresline}) {
1730: if($i != 0) {
1731: $current_output.= "\\newpage\n";
1732: }
1733: }
1734: $i++;
1735: if ( !($type eq 'problems' &&
1736: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1737: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1738: if (&Apache::lonnet::allowed('bre',$res_url)) {
1739: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1740: $printed .= $curresline.':';
1741: my $pre_counter=$env{'form.counter'};
1742: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1743: my ($envfile) =
1744: ( $env{'user.environment'} =~ m|/([^/]+)\.id$| );
1745: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
1746: $envfile);
1747: my $current_counter=$env{'form.counter'};
1748: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1749: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1750: # Use a copy of the hash so we don't pervert it on future loop passes.
1751: my %answerenv = %{$moreenv};
1752: $answerenv{'answer_output_mode'}='tex';
1753: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1754: &Apache::lonnet::appenv(('form.counter' => $pre_counter));
1755: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1756: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1757: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1758: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1759: } else {
1760: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1761: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1762: $rendered.=&path_to_problem($res_url,$LaTeXwidth);
1763: $rendered.='\vskip 1 mm '.$ansrendered;
1764: }
1765: }
1766: if ($remove_latex_header eq 'YES') {
1767: $rendered = &latex_header_footer_remove($rendered);
1768: } else {
1769: $rendered =~ s/\\end{document}//;
1770: }
1771: $current_output .= $rendered;
1772: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1773: $printed .= $curresline.':';
1774: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1775: my ($envfile) =
1776: ( $env{'user.environment'} =~ m|/([^/]+)\.id$| );
1777: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
1778: $envfile);
1779: my $current_counter=$env{'form.counter'};
1780: if ($remove_latex_header eq 'YES') {
1781: $rendered = &latex_header_footer_remove($rendered);
1782: } else {
1783: $rendered =~ s/\\end{document}//;
1784: }
1785: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/'.$number_of_columns.'][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1786: } else {
1787: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1788: if ($remove_latex_header ne 'NO') {
1789: $rendered = &latex_header_footer_remove($rendered);
1790: } else {
1791: $rendered =~ s/\\end{document}//;
1792: }
1793: $current_output .= $rendered;
1794: }
1795: }
1796: $remove_latex_header = 'YES';
1797: }
1798: if (&Apache::loncommon::connection_aborted($r)) { last; }
1799: }
1800: my $courseidinfo = &get_course();
1801: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1802: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1803: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1804: if ($current_output=~/\\documentclass/) {
1805: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1806: } else {
1807: my $blankpages = '';
1808: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1809: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1810: }
1811: return ($current_output,$fullname, $printed);
1812:
1813: }
1814:
1815: sub handler {
1816:
1817: my $r = shift;
1818:
1819: &init_perm();
1820:
1821: # my $loaderror=&Apache::lonnet::overloaderror($r);
1822: # if ($loaderror) { return $loaderror; }
1823: # $loaderror=
1824: # &Apache::lonnet::overloaderror($r,
1825: # $env{'course.'.$env{'request.course.id'}.'.home'});
1826: # if ($loaderror) { return $loaderror; }
1827:
1828: my $helper = printHelper($r);
1829: if (!ref($helper)) {
1830: return $helper;
1831: }
1832:
1833: # my $key;
1834: # foreach $key (keys %{$helper->{'VARS'}}) {
1835: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1836: # }
1837: # foreach $key (keys %env) {
1838: # $r->print(' '.$key.'->'.$env{$key}.'<-<br />');
1839: # }
1840: # return OK;
1841:
1842: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1843:
1844: # my $key;
1845: # foreach $key (keys %parmhash) {
1846: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1847: # }
1848: #
1849:
1850:
1851: # If a figure conversion queue file exists for this user.domain
1852: # we delete it since it can only be bad (if it were good, printout.pl
1853: # would have deleted it the last time around.
1854:
1855: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1856: if(-e $conversion_queuefile) {
1857: unlink $conversion_queuefile;
1858: }
1859: &output_data($r,$helper,\%parmhash);
1860: return OK;
1861: }
1862:
1863: use Apache::lonhelper;
1864:
1865: sub addMessage {
1866: my $text = shift;
1867: my $paramHash = Apache::lonhelper::getParamHash();
1868: $paramHash->{MESSAGE_TEXT} = $text;
1869: Apache::lonhelper::message->new();
1870: }
1871:
1872: use Data::Dumper;
1873:
1874: sub init_perm {
1875: undef(%perm);
1876: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1877: if (!$perm{'pav'}) {
1878: $perm{'pav'}=&Apache::lonnet::allowed('pav',
1879: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1880: }
1881: $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1882: if (!$perm{'pfo'}) {
1883: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
1884: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1885: }
1886: }
1887:
1888: sub printHelper {
1889: my $r = shift;
1890:
1891: if ($r->header_only) {
1892: if ($env{'browser.mathml'}) {
1893: &Apache::loncommon::content_type($r,'text/xml');
1894: } else {
1895: &Apache::loncommon::content_type($r,'text/html');
1896: }
1897: $r->send_http_header;
1898: return OK;
1899: }
1900:
1901: # Send header, nocache
1902: if ($env{'browser.mathml'}) {
1903: &Apache::loncommon::content_type($r,'text/xml');
1904: } else {
1905: &Apache::loncommon::content_type($r,'text/html');
1906: }
1907: &Apache::loncommon::no_cache($r);
1908: $r->send_http_header;
1909: $r->rflush();
1910:
1911: # Unfortunately, this helper is so complicated we have to
1912: # write it by hand
1913:
1914: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1915:
1916: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1917: $helper->declareVar('symb');
1918: $helper->declareVar('postdata');
1919: $helper->declareVar('curseed');
1920: $helper->declareVar('probstatus');
1921: $helper->declareVar('filename');
1922: $helper->declareVar('construction');
1923: $helper->declareVar('assignment');
1924: $helper->declareVar('style_file');
1925: $helper->declareVar('student_sort');
1926: $helper->declareVar('FINISHPAGE');
1927: $helper->declareVar('PRINT_TYPE');
1928: $helper->declareVar("showallfoils");
1929:
1930: # The page breaks can get loaded initially from the course environment:
1931: # But we only do this in the initial state so that they are allowed to change.
1932: #
1933:
1934: $helper->{VARS}->{FINISHPAGE} = '';
1935:
1936: &Apache::loncommon::restore_course_settings('print',
1937: {'pagebreaks' => 'scalar',
1938: 'lastprinttype' => 'scalar'});
1939:
1940:
1941: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
1942: if (!defined ($env{"form.CURRENT_STATE"})) {
1943:
1944: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1945: } else {
1946: my $state = $env{"form.CURRENT_STATE"};
1947: if ($state eq "START") {
1948: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1949: }
1950: }
1951:
1952: }
1953:
1954:
1955: # This will persistently load in the data we want from the
1956: # very first screen.
1957: # Detect whether we're coming from construction space
1958: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1959: $helper->{VARS}->{'filename'} = "~$1/$2";
1960: $helper->{VARS}->{'construction'} = 1;
1961: } else {
1962: if ($env{'form.postdata'}) {
1963: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1964: }
1965: if ($env{'form.symb'}) {
1966: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1967: }
1968: if ($env{'form.url'}) {
1969: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1970: }
1971: }
1972:
1973: if ($env{'form.symb'}) {
1974: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1975: }
1976: if ($env{'form.url'}) {
1977: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1978:
1979: }
1980: $helper->{VARS}->{'symb'}=
1981: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1982: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1983: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1984:
1985:
1986: # Extract map
1987: my $symb = $helper->{VARS}->{'symb'};
1988: my ($map, $id, $url);
1989: my $subdir;
1990:
1991: # Get the resource name from construction space
1992: if ($helper->{VARS}->{'construction'}) {
1993: $resourceTitle = substr($helper->{VARS}->{'filename'},
1994: rindex($helper->{VARS}->{'filename'}, '/')+1);
1995: $subdir = substr($helper->{VARS}->{'filename'},
1996: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1997: } else {
1998: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1999: $helper->{VARS}->{'postdata'} =
2000: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
2001:
2002: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
2003: my $postdata = $helper->{VARS}->{'postdata'};
2004: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
2005: }
2006: $subdir = &Apache::lonnet::filelocation("", $url);
2007: }
2008: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2009: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2010: }
2011: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2012: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2013: }
2014:
2015: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2016:
2017: Apache::lonhelper::registerHelperTags();
2018:
2019: # "Delete everything after the last slash."
2020: $subdir =~ s|/[^/]+$||;
2021: if (not $helper->{VARS}->{'construction'}) {
2022: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
2023: }
2024: # "Remove all duplicate slashes."
2025: $subdir =~ s|/+|/|g;
2026:
2027: # What can be printed is a very dynamic decision based on
2028: # lots of factors. So we need to dynamically build this list.
2029: # To prevent security leaks, states are only added to the wizard
2030: # if they can be reached, which ensures manipulating the form input
2031: # won't allow anyone to reach states they shouldn't have permission
2032: # to reach.
2033:
2034: # printChoices is tracking the kind of printing the user can
2035: # do, and will be used in a choices construction later.
2036: # In the meantime we will be adding states and elements to
2037: # the helper by hand.
2038: my $printChoices = [];
2039: my $paramHash;
2040:
2041: if ($resourceTitle) {
2042: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2043: }
2044:
2045: # Useful filter strings
2046: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2047: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2048: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2049: my $isNotMap = '!$res->is_sequence()';
2050: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2051: my $isMap = '$res->is_map()';
2052: my $symbFilter = '$res->shown_symb()';
2053: my $urlValue = '$res->link()';
2054:
2055: $helper->declareVar('SEQUENCE');
2056:
2057: # Useful for debugging: Dump the help vars
2058: # $r->print(Dumper($helper->{VARS}));
2059: # $r->print($map);
2060:
2061: # If we're in a sequence...
2062: if (($helper->{'VARS'}->{'construction'} ne '1') &&
2063:
2064: $helper->{VARS}->{'postdata'} &&
2065: $helper->{VARS}->{'assignment'}) {
2066: # Allow problems from sequence
2067: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
2068: # Allow all resources from sequence
2069: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2070:
2071: my $helperFragment = <<HELPERFRAGMENT;
2072: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2073: <message>(mark them then click "next" button) <br /></message>
2074: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2075: closeallpages="1">
2076: <nextstate>PAGESIZE</nextstate>
2077: <filterfunc>return $isProblem;</filterfunc>
2078: <mapurl>$map</mapurl>
2079: <valuefunc>return $symbFilter;</valuefunc>
2080: <option text='Newpage' variable='FINISHPAGE' />
2081: </resource>
2082: </state>
2083:
2084: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2085: <message>(mark them then click "next" button) <br /></message>
2086: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2087: closeallpages="1">
2088: <nextstate>PAGESIZE</nextstate>
2089: <filterfunc>return $isNotMap;</filterfunc>
2090: <mapurl>$map</mapurl>
2091: <valuefunc>return $symbFilter;</valuefunc>
2092: <option text='Newpage' variable='FINISHPAGE' />
2093: </resource>
2094: </state>
2095: HELPERFRAGMENT
2096:
2097: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2098: }
2099:
2100: # If the user has pfo (print for otheres) allow them to print all
2101: # problems and resources in the entier course, optionally for selected students
2102: if ($perm{'pfo'} &&
2103: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2104:
2105: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2106: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2107: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2108: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2109: <message>(mark them then click "next" button) <br /></message>
2110: <resource variable="RESOURCES" toponly='0' multichoice="1"
2111: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2112: <nextstate>PAGESIZE</nextstate>
2113: <filterfunc>return $isProblemOrMap;</filterfunc>
2114: <choicefunc>return $isNotMap;</choicefunc>
2115: <valuefunc>return $symbFilter;</valuefunc>
2116: <option text='Newpage' variable='FINISHPAGE' />
2117: </resource>
2118: </state>
2119: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2120: <message>(Mark them then click "next" button) <br /> </message>
2121: <resource variable="RESOURCES" toponly='0' multichoice='1'
2122: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2123: <nextstate>PAGESIZE</nextstate>
2124: <filterfunc>return $isNotMap; </filterfunc>
2125: <valuefunc>return $symbFilter;</valuefunc>
2126: <option text='NewPage' variable='FINISHPAGE' />
2127: </resource>
2128: </state>
2129: ALL_PROBLEMS
2130:
2131: if ($helper->{VARS}->{'assignment'}) {
2132: 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'];
2133: 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'];
2134: }
2135: my $resource_selector=<<RESOURCE_SELECTOR;
2136: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2137: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2138: closeallpages="1">
2139: <filterfunc>return $isProblem;</filterfunc>
2140: <mapurl>$map</mapurl>
2141: <valuefunc>return $symbFilter;</valuefunc>
2142: <option text='New Page' variable='FINISHPAGE' />
2143: </resource>
2144: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2145: <choices variable="EMPTY_PAGES">
2146: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2147: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2148: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2149: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2150: </choices>
2151: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2152: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2153: RESOURCE_SELECTOR
2154:
2155: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2156: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2157: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
2158: <message><b>Select sort order</b> </message>
2159: <choices variable='student_sort'>
2160: <choice computer='0'>Sort by section then student</choice>
2161: <choice computer='1'>Sort by students across sections.</choice>
2162: </choices>
2163: $resource_selector
2164: </state>
2165: CHOOSE_STUDENTS
2166:
2167: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2168: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2169: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2170: my $namechoice='<choice></choice>';
2171: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2172: if ($name =~ /^error: 2 /) { next; }
2173: if ($name =~ /^type\0/) { next; }
2174: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2175: }
2176:
2177:
2178: my %code_values;
2179: my %codes_to_print;
2180: foreach my $key (@names) {
2181: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2182: foreach my $key (keys(%code_values)) {
2183: $codes_to_print{$key} = 1;
2184: }
2185: }
2186:
2187: my $code_selection = "<choice></choice>\n";
2188: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
2189: my $choice = $code;
2190: if ($code =~ /^[A-Z]+$/) { # Alpha code
2191: $choice = &letters_to_num($code);
2192: }
2193: $code_selection .= ' <choice computer="'.$choice.'">'.$code."</choice>\n";
2194: }
2195: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2196: my $codechoice='';
2197: foreach my $line (<FH>) {
2198: my ($name,$description,$code_type,$code_length)=
2199: (split(/:/,$line))[0,1,2,4];
2200: if ($code_length > 0 &&
2201: $code_type =~/^(letter|number|-1)/) {
2202: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2203: }
2204: }
2205: if ($codechoice eq '') {
2206: $codechoice='<choice computer="default">Default</choice>';
2207: }
2208: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2209: <state name="CHOOSE_ANON1" title="Select Students and Resources">
2210: <nextstate>PAGESIZE</nextstate>
2211: <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
2212: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2213: <validator>
2214: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2215: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2216: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2217: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2218: return "You need to specify the number of assignments to print";
2219: }
2220: return undef;
2221: </validator>
2222: </string>
2223: <message></td></tr><tr><td></message>
2224: <message><b>Names to store the CODEs under for later:</b></message>
2225: <message></td><td></message>
2226: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2227: <message></td></tr><tr><td></message>
2228: <message><b>Bubble sheet type:</b></message>
2229: <message></td><td></message>
2230: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2231: $codechoice
2232: </dropdown>
2233: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2234: <message></td></tr><tr><td></message>
2235: <message><b>Enter a CODE to print:</b></td><td></message>
2236: <string variable="SINGLE_CODE" size="10">
2237: <validator>
2238: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2239: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2240: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2241: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2242: \$helper->{'VARS'}{'CODE_OPTION'});
2243: } else {
2244: return undef; # Other forces control us.
2245: }
2246: </validator>
2247: </string>
2248: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2249: <message><b>Reprint a set of saved CODEs:</b></message>
2250: <message></td><td></message>
2251: <dropdown variable="REUSE_OLD_CODES">
2252: $namechoice
2253: </dropdown>
2254: <message></td></tr></table></message>
2255: <message><hr width='33%' /></message>
2256: $resource_selector
2257: </state>
2258: CHOOSE_ANON1
2259:
2260:
2261: if ($helper->{VARS}->{'assignment'}) {
2262: 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'];
2263: 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'];
2264: }
2265:
2266:
2267: $resource_selector=<<RESOURCE_SELECTOR;
2268: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2269: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2270: closeallpages="1">
2271: <filterfunc>return $isNotMap;</filterfunc>
2272: <mapurl>$map</mapurl>
2273: <valuefunc>return $symbFilter;</valuefunc>
2274: <option text='Newpage' variable='FINISHPAGE' />
2275: </resource>
2276: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2277: <choices variable="EMPTY_PAGES">
2278: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2279: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2280: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2281: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2282: </choices>
2283: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2284: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2285: RESOURCE_SELECTOR
2286:
2287: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2288: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2289: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
2290: <choices variable='student_sort'>
2291: <choice computer='0'>Sort by section then student</choice>
2292: <choice computer='1'>Sort by students across sections.</choice>
2293: </choices>
2294:
2295: $resource_selector
2296: </state>
2297: CHOOSE_STUDENTS1
2298:
2299: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2300: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2301: <nextstate>PAGESIZE</nextstate>
2302: <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
2303: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2304: <validator>
2305: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2306: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2307: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2308: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2309: return "You need to specify the number of assignments to print";
2310: }
2311: return undef;
2312: </validator>
2313: </string>
2314: <message></td></tr><tr><td></message>
2315: <message><b>Names to store the CODEs under for later:</b></message>
2316: <message></td><td></message>
2317: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2318: <message></td></tr><tr><td></message>
2319: <message><b>Bubble sheet type:</b></message>
2320: <message></td><td></message>
2321: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2322: $codechoice
2323: </dropdown>
2324: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2325: <message></td></tr><tr><td></message>
2326: <message><b>Enter a CODE to print:</b></td><td></message>
2327: <string variable="SINGLE_CODE" size="10">
2328: <validator>
2329: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2330: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2331: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2332: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2333: \$helper->{'VARS'}{'CODE_OPTION'});
2334: } else {
2335: return undef; # Other forces control us.
2336: }
2337: </validator>
2338: </string>
2339: <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
2340: <message><b>Reprint a set of saved CODEs:</b></message>
2341: <message></td><td></message>
2342: <dropdown variable="REUSE_OLD_CODES">
2343: $namechoice
2344: </dropdown>
2345: <message></td></tr></table></message>
2346: <message><hr width='33%' /></message>
2347: $resource_selector
2348: </state>
2349: CHOOSE_ANON2
2350: }
2351:
2352: # FIXME: That RE should come from a library somewhere.
2353: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2354: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2355:
2356: my $f = '$filename';
2357: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2358: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2359: <message>(mark them then click "next" button) <br /></message>
2360: <files variable="FILES" multichoice='1'>
2361: <nextstate>PAGESIZE</nextstate>
2362: <filechoice>return '$subdir';</filechoice>
2363: CHOOSE_FROM_SUBDIR
2364:
2365: # this is broken up because I really want interpolation above,
2366: # and I really DON'T want it below
2367: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2368: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2369: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2370: </filefilter>
2371: </files>
2372: </state>
2373: CHOOSE_FROM_SUBDIR
2374: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2375: }
2376:
2377: # Allow the user to select any sequence in the course, feed it to
2378: # another resource selector for that sequence
2379: if (!$helper->{VARS}->{'construction'}) {
2380: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
2381: 'select_sequences', 'CHOOSE_SEQUENCE'];
2382: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2383: #Escape apostrophes and backslashes for Perl
2384: $escapedSequenceName =~ s/\\/\\\\/g;
2385: $escapedSequenceName =~ s/'/\\'/g;
2386: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2387: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2388: <message>Select the sequence to print resources from:</message>
2389: <resource variable="SEQUENCE">
2390: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2391: <filterfunc>return \$res->is_sequence;</filterfunc>
2392: <valuefunc>return $urlValue;</valuefunc>
2393: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2394: </choicefunc>
2395: </resource>
2396: </state>
2397: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2398: <message>(mark desired resources then click "next" button) <br /></message>
2399: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2400: closeallpages="1">
2401: <nextstate>PAGESIZE</nextstate>
2402: <filterfunc>return $isProblem</filterfunc>
2403: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2404: <valuefunc>return $symbFilter;</valuefunc>
2405: <option text='Newpage' variable='FINISHPAGE' />
2406: </resource>
2407: </state>
2408: CHOOSE_FROM_ANY_SEQUENCE
2409: }
2410:
2411: # Generate the first state, to select which resources get printed.
2412: Apache::lonhelper::state->new("START", "Select Printing Options:");
2413: $paramHash = Apache::lonhelper::getParamHash();
2414: $paramHash->{MESSAGE_TEXT} = "";
2415: Apache::lonhelper::message->new();
2416: $paramHash = Apache::lonhelper::getParamHash();
2417: $paramHash->{'variable'} = 'PRINT_TYPE';
2418: $paramHash->{CHOICES} = $printChoices;
2419: Apache::lonhelper::choices->new();
2420:
2421: my $startedTable = 0; # have we started an HTML table yet? (need
2422: # to close it later)
2423:
2424: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2425: ($helper->{VARS}->{'construction'} eq '1')) {
2426: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2427: $paramHash = Apache::lonhelper::getParamHash();
2428: $paramHash->{'variable'} = 'ANSWER_TYPE';
2429: $helper->declareVar('ANSWER_TYPE');
2430: $paramHash->{CHOICES} = [
2431: ['Without Answers', 'yes'],
2432: ['With Answers', 'no'],
2433: ['Only Answers', 'only']
2434: ];
2435: Apache::lonhelper::dropdown->new();
2436: addMessage("</td></tr>");
2437: $startedTable = 1;
2438: }
2439:
2440: if ($perm{'pav'}) {
2441: if (!$startedTable) {
2442: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2443: $startedTable = 1;
2444: } else {
2445: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2446: }
2447: $paramHash = Apache::lonhelper::getParamHash();
2448: $paramHash->{'variable'} = 'LATEX_TYPE';
2449: $helper->declareVar('LATEX_TYPE');
2450: if ($helper->{VARS}->{'construction'} eq '1') {
2451: $paramHash->{CHOICES} = [
2452: ['standard LaTeX mode', 'standard'],
2453: ['LaTeX batchmode', 'batchmode'], ];
2454: } else {
2455: $paramHash->{CHOICES} = [
2456: ['LaTeX batchmode', 'batchmode'],
2457: ['standard LaTeX mode', 'standard'] ];
2458: }
2459: Apache::lonhelper::dropdown->new();
2460:
2461: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2462: $paramHash = Apache::lonhelper::getParamHash();
2463: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2464: $helper->declareVar('TABLE_CONTENTS');
2465: $paramHash->{CHOICES} = [
2466: ['No', 'no'],
2467: ['Yes', 'yes'] ];
2468: Apache::lonhelper::dropdown->new();
2469: addMessage("</td></tr>");
2470:
2471: if (not $helper->{VARS}->{'construction'}) {
2472: addMessage("<tr><td align='right'>Print Index: </td><td>");
2473: $paramHash = Apache::lonhelper::getParamHash();
2474: $paramHash->{'variable'} = 'TABLE_INDEX';
2475: $helper->declareVar('TABLE_INDEX');
2476: $paramHash->{CHOICES} = [
2477: ['No', 'no'],
2478: ['Yes', 'yes'] ];
2479: Apache::lonhelper::dropdown->new();
2480: addMessage("</td></tr>");
2481: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2482: $paramHash = Apache::lonhelper::getParamHash();
2483: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2484: $helper->declareVar('PRINT_DISCUSSIONS');
2485: $paramHash->{CHOICES} = [
2486: ['No', 'no'],
2487: ['Yes', 'yes'] ];
2488: Apache::lonhelper::dropdown->new();
2489: addMessage("</td></tr>");
2490:
2491: addMessage("<tr><td align = 'right'> </td><td>");
2492: $paramHash = Apache::lonhelper::getParamHash();
2493: $paramHash->{'multichoice'} = "true";
2494: $paramHash->{'allowempty'} = "true";
2495: $paramHash->{'variable'} = "showallfoils";
2496: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2497: Apache::lonhelper::choices->new();
2498: addMessage("</td></tr>");
2499: }
2500:
2501: if ($helper->{'VARS'}->{'construction'}) {
2502: my $stylevalue=$env{'construct.style'};
2503: my $xmlfrag .= <<"RNDSEED";
2504: <message><tr><td align='right'>Use random seed: </td><td></message>
2505: <string variable="curseed" size="15" maxlength="15">
2506: <defaultvalue>
2507: return $helper->{VARS}->{'curseed'};
2508: </defaultvalue>
2509: </string>
2510: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2511: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message>
2512: <choices allowempty="1" multichoice="true" variable="showallfoils">
2513: <choice computer="1">Show all foils?</choice>
2514: </choices>
2515: <message></td></tr></message>
2516: RNDSEED
2517: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2518: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2519:
2520: }
2521: }
2522:
2523:
2524:
2525:
2526: if ($startedTable) {
2527: addMessage("</table>");
2528: }
2529:
2530: Apache::lonprintout::page_format_state->new("FORMAT");
2531:
2532: # Generate the PAGESIZE state which will offer the user the margin
2533: # choices if they select one column
2534: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2535: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2536:
2537:
2538: $helper->process();
2539:
2540: # MANUAL BAILOUT CONDITION:
2541: # If we're in the "final" state, bailout and return to handler
2542: if ($helper->{STATE} eq 'FINAL') {
2543: return $helper;
2544: }
2545:
2546: $r->print($helper->display());
2547: if ($helper->{STATE} eq 'START') {
2548: &recently_generated($r);
2549: }
2550: &Apache::lonhelper::unregisterHelperTags();
2551:
2552: return OK;
2553: }
2554:
2555:
2556: 1;
2557:
2558: package Apache::lonprintout::page_format_state;
2559:
2560: =pod
2561:
2562: =head1 Helper element: page_format_state
2563:
2564: See lonhelper.pm documentation for discussion of the helper framework.
2565:
2566: Apache::lonprintout::page_format_state is an element that gives the
2567: user an opportunity to select the page layout they wish to print
2568: with: Number of columns, portrait/landscape, and paper size. If you
2569: want to change the paper size choices, change the @paperSize array
2570: contents in this package.
2571:
2572: page_format_state is always directly invoked in lonprintout.pm, so there
2573: is no tag interface. You actually pass parameters to the constructor.
2574:
2575: =over 4
2576:
2577: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2578:
2579: =back
2580:
2581: =cut
2582:
2583: use Apache::lonhelper;
2584:
2585: no strict;
2586: @ISA = ("Apache::lonhelper::element");
2587: use strict;
2588: use Apache::lonlocal;
2589: use Apache::lonnet;
2590:
2591: my $maxColumns = 2;
2592: # it'd be nice if these all worked
2593: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2594: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2595: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2596: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2597: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2598: "a4 [210x297 mm]");
2599:
2600: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2601: # Paper type
2602:
2603: sub new {
2604: my $self = Apache::lonhelper::element->new();
2605:
2606: shift;
2607:
2608: $self->{'variable'} = shift;
2609: my $helper = Apache::lonhelper::getHelper();
2610: $helper->declareVar($self->{'variable'});
2611: bless($self);
2612: return $self;
2613: }
2614:
2615: sub render {
2616: my $self = shift;
2617: my $helper = Apache::lonhelper::getHelper();
2618: my $result = '';
2619: my $var = $self->{'variable'};
2620: my $PageLayout=&mt('Page layout');
2621: my $NumberOfColumns=&mt('Number of columns');
2622: my $PaperType=&mt('Paper type');
2623: $result .= <<STATEHTML;
2624:
2625: <hr width="33%" />
2626: <table cellpadding="3">
2627: <tr>
2628: <td align="center"><b>$PageLayout</b></td>
2629: <td align="center"><b>$NumberOfColumns</b></td>
2630: <td align="center"><b>$PaperType</b></td>
2631: </tr>
2632: <tr>
2633: <td>
2634: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2635: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2636: </td>
2637: <td align="center">
2638: <select name="${var}.cols">
2639: STATEHTML
2640:
2641: my $i;
2642: for ($i = 1; $i <= $maxColumns; $i++) {
2643: if ($i == 2) {
2644: $result .= "<option value='$i' selected>$i</option>\n";
2645: } else {
2646: $result .= "<option value='$i'>$i</option>\n";
2647: }
2648: }
2649:
2650: $result .= "</select></td><td>\n";
2651: $result .= "<select name='${var}.paper'>\n";
2652:
2653: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2654: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
2655: $DefaultPaperSize=~s/\s//g;
2656: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2657: $i = 0;
2658: foreach (@paperSize) {
2659: $_=~/(\w+)/;
2660: my $papersize=$1;
2661: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2662: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2663: } else {
2664: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2665: }
2666: $i++;
2667: }
2668: $result .= "</select></td></tr></table>";
2669: return $result;
2670: }
2671:
2672: sub postprocess {
2673: my $self = shift;
2674:
2675: my $var = $self->{'variable'};
2676: my $helper = Apache::lonhelper->getHelper();
2677: $helper->{VARS}->{$var} =
2678: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2679: $env{"form.$var.paper"};
2680: return 1;
2681: }
2682:
2683: 1;
2684:
2685: package Apache::lonprintout::page_size_state;
2686:
2687: =pod
2688:
2689: =head1 Helper element: page_size_state
2690:
2691: See lonhelper.pm documentation for discussion of the helper framework.
2692:
2693: Apache::lonprintout::page_size_state is an element that gives the
2694: user the opportunity to further refine the page settings if they
2695: select a single-column page.
2696:
2697: page_size_state is always directly invoked in lonprintout.pm, so there
2698: is no tag interface. You actually pass parameters to the constructor.
2699:
2700: =over 4
2701:
2702: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2703:
2704: =back
2705:
2706: =cut
2707:
2708: use Apache::lonhelper;
2709: use Apache::lonnet;
2710: no strict;
2711: @ISA = ("Apache::lonhelper::element");
2712: use strict;
2713:
2714:
2715:
2716: sub new {
2717: my $self = Apache::lonhelper::element->new();
2718:
2719: shift; # disturbs me (probably prevents subclassing) but works (drops
2720: # package descriptor)... - Jeremy
2721:
2722: $self->{'variable'} = shift;
2723: my $helper = Apache::lonhelper::getHelper();
2724: $helper->declareVar($self->{'variable'});
2725:
2726: # The variable name of the format element, so we can look into
2727: # $helper->{VARS} to figure out whether the columns are one or two
2728: $self->{'formatvar'} = shift;
2729:
2730: # The state to transition to after selection, or after discovering
2731: # the cols are not set to 1
2732: $self->{NEXTSTATE} = shift;
2733: bless($self);
2734: return $self;
2735: }
2736:
2737: sub render {
2738: my $self = shift;
2739: my $helper = Apache::lonhelper::getHelper();
2740: my $result = '';
2741: my $var = $self->{'variable'};
2742:
2743: if (defined $self->{ERROR_MSG}) {
2744: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2745: }
2746:
2747: $result .= <<ELEMENTHTML;
2748:
2749: <p>How should the column be formatted?</p>
2750:
2751: <table cellpadding='3'>
2752: <tr>
2753: <td align='right'><b>Width</b>:</td>
2754: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2755: <td align='left'>
2756: <select name='$var.widthunit'>
2757: <option>cm</option><option>in</option>
2758: </select>
2759: </td>
2760: </tr>
2761: <tr>
2762: <td align='right'><b>Height</b>:</td>
2763: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2764: <td align='left'>
2765: <select name='$var.heightunit'>
2766: <option>cm</option><option>in</option>
2767: </select>
2768: </td>
2769: </tr>
2770: <tr>
2771: <td align='right'><b>Left margin</b>:</td>
2772: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2773: <td align='left'>
2774: <select name='$var.lmarginunit'>
2775: <option>cm</option><option>in</option>
2776: </select>
2777: </td>
2778: </tr>
2779: </table>
2780:
2781: <p>Hint: Some instructors like to leave scratch space for the student by
2782: making the width much smaller than the width of the page.</p>
2783:
2784: ELEMENTHTML
2785:
2786: return $result;
2787: }
2788:
2789: # If the user didn't select 1 column, skip this state.
2790: sub preprocess {
2791: my $self = shift;
2792: my $helper = Apache::lonhelper::getHelper();
2793:
2794: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2795: if (substr($format, 2, 1) ne '1') {
2796: $helper->changeState($self->{NEXTSTATE});
2797: }
2798:
2799: return 1;
2800: }
2801:
2802: sub postprocess {
2803: my $self = shift;
2804:
2805: my $var = $self->{'variable'};
2806: my $helper = Apache::lonhelper->getHelper();
2807: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
2808: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
2809: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
2810: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
2811: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
2812: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
2813:
2814: my $error = '';
2815:
2816: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2817: # by an optional period, followed by digits, ending the string
2818:
2819: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2820: $error .= "Invalid width; please type only a number.<br />\n";
2821: }
2822: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2823: $error .= "Invalid height; please type only a number.<br />\n";
2824: }
2825: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2826: $error .= "Invalid left margin; please type only a number.<br />\n";
2827: }
2828:
2829: if (!$error) {
2830: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2831: return 1;
2832: } else {
2833: $self->{ERROR_MSG} = $error;
2834: return 0;
2835: }
2836: }
2837:
2838:
2839:
2840: __END__
2841:
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