1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.400 2005/12/06 03:58:14 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
29: package Apache::lonprintout;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonxml;
34: use Apache::lonnet;
35: use Apache::loncommon;
36: use Apache::inputtags;
37: use Apache::grades;
38: use Apache::edit;
39: use Apache::File();
40: use Apache::lonnavmaps;
41: use Apache::lonratedt;
42: use POSIX qw(strftime);
43: use Apache::lonlocal;
44:
45: my %perm;
46:
47: #
48: # Convert a numeric code to letters
49: #
50: sub num_to_letters {
51: my ($num) = @_;
52: my @nums= split('',$num);
53: my @num_to_let=('A'..'Z');
54: my $word;
55: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
56: return $word;
57: }
58: # Convert a letter code to numeric.
59: #
60: sub letters_to_num {
61: my ($letters) = @_;
62: my @letters = split('', uc($letters));
63: my %substitution;
64: my $digit = 0;
65: foreach my $letter ('A'..'J') {
66: $substitution{$letter} = $digit;
67: $digit++;
68: }
69: # The substitution is done as below to preserve leading
70: # zeroes which are needed to keep the code size exact
71: #
72: my $result ="";
73: foreach my $letter (@letters) {
74: $result.=$substitution{$letter};
75: }
76: return $result;
77: }
78:
79: # Determine if a code is a valid numeric code. Valid
80: # numeric codes must be comprised entirely of digits and
81: # have a correct number of digits.
82: #
83: # Parameters:
84: # value - proposed code value.
85: # num_digits - Number of digits required.
86: #
87: sub is_valid_numeric_code {
88: my ($value, $num_digits) = @_;
89: # Remove leading/trailing whitespace;
90: $value =~ s/^\s*//g;
91: $value =~ s/\s*$//g;
92:
93: # All digits?
94: if ($value !~ /^[0-9]+$/) {
95: return "Numeric code $value has invalid characters - must only be digits";
96: }
97: if (length($value) != $num_digits) {
98: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
99: }
100: return undef;
101: }
102: # Determines if a code is a valid alhpa code. Alpha codes
103: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
104: # They also have a correct digit count.
105: # Parameters:
106: # value - Proposed code value.
107: # num_letters - correct number of letters.
108: # Note:
109: # leading and trailing whitespace are ignored.
110: #
111: sub is_valid_alpha_code {
112: my ($value, $num_letters) = @_;
113:
114: # strip leading and trailing spaces.
115:
116: $value =~ s/^\s*//g;
117: $value =~ s/\s*$//g;
118:
119: # All alphas in the right range?
120: if ($value !~ /^[A-J,a-j]+$/) {
121: return "Invalid letter code $value must only contain A-J";
122: }
123: if (length($value) != $num_letters) {
124: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
125: }
126: return undef;
127: }
128:
129: # Determine if a code entered by the user in a helper is valid.
130: # valid depends on the code type and the type of code selected.
131: # The type of code selected can either be numeric or
132: # Alphabetic. If alphabetic, the code, in fact is a simple
133: # substitution cipher for the actual numeric code: 0->A, 1->B ...
134: # We'll be nice and be case insensitive for alpha codes.
135: # Parameters:
136: # code_value - the value of the code the user typed in.
137: # code_option - The code type selected from the set in the scantron format
138: # table.
139: # Returns:
140: # undef - The code is valid.
141: # other - An error message indicating what's wrong.
142: #
143: sub is_code_valid {
144: my ($code_value, $code_option) = @_;
145: my ($code_type, $code_length) = ('letter', 6); # defaults.
146: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
147: foreach my $line (<FG>) {
148: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
149: if($name eq $code_option) {
150: $code_length = $length;
151: if($type eq 'number') {
152: $code_type = 'number';
153: }
154: }
155: }
156: my $valid;
157: if ($code_type eq 'number') {
158: return &is_valid_numeric_code($code_value, $code_length);
159: } else {
160: return &is_valid_alpha_code($code_value, $code_length);
161: }
162:
163: }
164:
165: # Compare two students by name. The students are in the form
166: # returned by the helper:
167: # user:domain:section:last, first:status
168: # This is a helper function for the perl sort built-in therefore:
169: # Implicit Inputs:
170: # $a - The first element to compare (global)
171: # $b - The second element to compare (global)
172: # Returns:
173: # -1 - $a < $b
174: # 0 - $a == $b
175: # +1 - $a > $b
176: # Note that the initial comparison is done on the last names with the
177: # first names only used to break the tie.
178: #
179: #
180: sub compare_names {
181: # First split the names up into the primary fields.
182:
183: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
184: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
185:
186: # Now split the last name and first name of each n:
187: #
188:
189: my ($l1,$f1) = split(/,/, $n1);
190: my ($l2,$f2) = split(/,/, $n2);
191:
192: # We don't bother to remove the leading/trailing whitespace from the
193: # firstname, unless the last names compare identical.
194:
195: if($l1 lt $l2) {
196: return -1;
197: }
198: if($l1 gt $l2) {
199: return 1;
200: }
201:
202: # Break the tie on the first name, but there are leading (possibly trailing
203: # whitespaces to get rid of first
204: #
205: $f1 =~ s/^\s+//; # Remove leading...
206: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
207:
208: $f2 =~ s/^\s+//;
209: $f2 =~ s/\s+$//; # And the same for first 2...
210:
211: if($f1 lt $f2) {
212: return -1;
213: }
214: if($f1 gt $f2) {
215: return 1;
216: }
217:
218: # Must be the same name.
219:
220: return 0;
221: }
222:
223: sub latex_header_footer_remove {
224: my $text = shift;
225: $text =~ s/\\end{document}//;
226: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
227: return $text;
228: }
229:
230:
231: sub character_chart {
232: my $result = shift;
233: $result =~ s/&\#0?0?(7|9);//g;
234: $result =~ s/&\#0?(10|13);//g;
235: $result =~ s/&\#0?32;/ /g;
236: $result =~ s/&\#0?33;/!/g;
237: $result =~ s/&(\#0?34|quot);/\"/g;
238: $result =~ s/&\#0?35;/\\\#/g;
239: $result =~ s/&\#0?36;/\\\$/g;
240: $result =~ s/&\#0?37;/\\%/g;
241: $result =~ s/&(\#0?38|amp);/\\&/g;
242: $result =~ s/&\#(0?39|146);/\'/g;
243: $result =~ s/&\#0?40;/(/g;
244: $result =~ s/&\#0?41;/)/g;
245: $result =~ s/&\#0?42;/\*/g;
246: $result =~ s/&\#0?43;/\+/g;
247: $result =~ s/&\#(0?44|130);/,/g;
248: $result =~ s/&\#0?45;/-/g;
249: $result =~ s/&\#0?46;/\./g;
250: $result =~ s/&\#0?47;/\//g;
251: $result =~ s/&\#0?48;/0/g;
252: $result =~ s/&\#0?49;/1/g;
253: $result =~ s/&\#0?50;/2/g;
254: $result =~ s/&\#0?51;/3/g;
255: $result =~ s/&\#0?52;/4/g;
256: $result =~ s/&\#0?53;/5/g;
257: $result =~ s/&\#0?54;/6/g;
258: $result =~ s/&\#0?55;/7/g;
259: $result =~ s/&\#0?56;/8/g;
260: $result =~ s/&\#0?57;/9/g;
261: $result =~ s/&\#0?58;/:/g;
262: $result =~ s/&\#0?59;/;/g;
263: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
264: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
265: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
266: $result =~ s/&\#0?63;/\?/g;
267: $result =~ s/&\#0?65;/A/g;
268: $result =~ s/&\#0?66;/B/g;
269: $result =~ s/&\#0?67;/C/g;
270: $result =~ s/&\#0?68;/D/g;
271: $result =~ s/&\#0?69;/E/g;
272: $result =~ s/&\#0?70;/F/g;
273: $result =~ s/&\#0?71;/G/g;
274: $result =~ s/&\#0?72;/H/g;
275: $result =~ s/&\#0?73;/I/g;
276: $result =~ s/&\#0?74;/J/g;
277: $result =~ s/&\#0?75;/K/g;
278: $result =~ s/&\#0?76;/L/g;
279: $result =~ s/&\#0?77;/M/g;
280: $result =~ s/&\#0?78;/N/g;
281: $result =~ s/&\#0?79;/O/g;
282: $result =~ s/&\#0?80;/P/g;
283: $result =~ s/&\#0?81;/Q/g;
284: $result =~ s/&\#0?82;/R/g;
285: $result =~ s/&\#0?83;/S/g;
286: $result =~ s/&\#0?84;/T/g;
287: $result =~ s/&\#0?85;/U/g;
288: $result =~ s/&\#0?86;/V/g;
289: $result =~ s/&\#0?87;/W/g;
290: $result =~ s/&\#0?88;/X/g;
291: $result =~ s/&\#0?89;/Y/g;
292: $result =~ s/&\#0?90;/Z/g;
293: $result =~ s/&\#0?91;/[/g;
294: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
295: $result =~ s/&\#0?93;/]/g;
296: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
297: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
298: $result =~ s/&\#(0?96|145);/\`/g;
299: $result =~ s/&\#0?97;/a/g;
300: $result =~ s/&\#0?98;/b/g;
301: $result =~ s/&\#0?99;/c/g;
302: $result =~ s/&\#100;/d/g;
303: $result =~ s/&\#101;/e/g;
304: $result =~ s/&\#102;/f/g;
305: $result =~ s/&\#103;/g/g;
306: $result =~ s/&\#104;/h/g;
307: $result =~ s/&\#105;/i/g;
308: $result =~ s/&\#106;/j/g;
309: $result =~ s/&\#107;/k/g;
310: $result =~ s/&\#108;/l/g;
311: $result =~ s/&\#109;/m/g;
312: $result =~ s/&\#110;/n/g;
313: $result =~ s/&\#111;/o/g;
314: $result =~ s/&\#112;/p/g;
315: $result =~ s/&\#113;/q/g;
316: $result =~ s/&\#114;/r/g;
317: $result =~ s/&\#115;/s/g;
318: $result =~ s/&\#116;/t/g;
319: $result =~ s/&\#117;/u/g;
320: $result =~ s/&\#118;/v/g;
321: $result =~ s/&\#119;/w/g;
322: $result =~ s/&\#120;/x/g;
323: $result =~ s/&\#121;/y/g;
324: $result =~ s/&\#122;/z/g;
325: $result =~ s/&\#123;/\\{/g;
326: $result =~ s/&\#124;/\|/g;
327: $result =~ s/&\#125;/\\}/g;
328: $result =~ s/&\#126;/\~/g;
329: $result =~ s/&\#131;/\\textflorin /g;
330: $result =~ s/&\#132;/\"/g;
331: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
332: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
333: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
334: $result =~ s/&\#137;/\\textperthousand /g;
335: $result =~ s/&\#140;/{\\OE}/g;
336: $result =~ s/&\#147;/\`\`/g;
337: $result =~ s/&\#148;/\'\'/g;
338: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
339: $result =~ s/&\#150;/--/g;
340: $result =~ s/&\#151;/---/g;
341: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
342: $result =~ s/&\#153;/\\texttrademark /g;
343: $result =~ s/&\#156;/\\oe/g;
344: $result =~ s/&\#159;/\\\"Y/g;
345: $result =~ s/&(\#160|nbsp);/~/g;
346: $result =~ s/&(\#161|iexcl);/!\`/g;
347: $result =~ s/&(\#162|cent);/\\textcent /g;
348: $result =~ s/&(\#163|pound);/\\pounds /g;
349: $result =~ s/&(\#164|curren);/\\textcurrency /g;
350: $result =~ s/&(\#165|yen);/\\textyen /g;
351: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
352: $result =~ s/&(\#167|sect);/\\textsection /g;
353: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
354: $result =~ s/&(\#169|copy);/\\copyright /g;
355: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
356: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
357: $result =~ s/&(\#173|shy);/ - /g;
358: $result =~ s/&(\#174|reg);/\\textregistered /g;
359: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
360: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
361: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
362: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
363: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
364: $result =~ s/&(\#180|acute);/\\textacute /g;
365: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
366: $result =~ s/&(\#182|para);/\\P/g;
367: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
368: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
369: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
370: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
371: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
372: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
373: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
374: $result =~ s/&(\#191|iquest);/?\`/g;
375: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
376: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
377: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
378: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
379: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
380: $result =~ s/&(\#197|Aring);/{\\AA}/g;
381: $result =~ s/&(\#198|AElig);/{\\AE}/g;
382: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
383: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
384: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
385: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
386: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
387: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
388: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
389: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
390: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
391: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
392: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
393: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
394: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
395: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
396: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
397: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
398: $result =~ s/&(\#216|Oslash);/{\\O}/g;
399: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
400: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
401: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
402: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
403: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
404: $result =~ s/&(\#223|szlig);/{\\ss}/g;
405: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
406: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
407: $result =~ s/&(\#226|acirc);/\\^{a}/g;
408: $result =~ s/&(\#227|atilde);/\\~{a}/g;
409: $result =~ s/&(\#228|auml);/\\\"{a}/g;
410: $result =~ s/&(\#229|aring);/{\\aa}/g;
411: $result =~ s/&(\#230|aelig);/{\\ae}/g;
412: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
413: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
414: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
415: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
416: $result =~ s/&(\#235|euml);/\\\"{e}/g;
417: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
418: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
419: $result =~ s/&(\#238|icirc);/\\^{i}/g;
420: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
421: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
422: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
423: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
424: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
425: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
426: $result =~ s/&(\#245|otilde);/\\~{o}/g;
427: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
428: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
429: $result =~ s/&(\#248|oslash);/{\\o}/g;
430: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
431: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
432: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
433: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
434: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
435: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
436: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
437: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
438: #Greek Alphabet
439: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
440: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
441: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
442: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
443: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
444: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
445: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
446: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
447: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
448: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
449: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
450: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
451: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
452: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
453: $result =~ s/&(omicron|\#959);/o/g;
454: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
455: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
456: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
457: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
458: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
459: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
460: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
461: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
462: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
463: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
464: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
465: $result =~ s/&(Alpha|\#913);/A/g;
466: $result =~ s/&(Beta|\#914);/B/g;
467: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
468: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
469: $result =~ s/&(Epsilon|\#917);/E/g;
470: $result =~ s/&(Zeta|\#918);/Z/g;
471: $result =~ s/&(Eta|\#919);/H/g;
472: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
473: $result =~ s/&(Iota|\#921);/I/g;
474: $result =~ s/&(Kappa|\#922);/K/g;
475: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
476: $result =~ s/&(Mu|\#924);/M/g;
477: $result =~ s/&(Nu|\#925);/N/g;
478: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
479: $result =~ s/&(Omicron|\#927);/O/g;
480: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
481: $result =~ s/&(Rho|\#929);/P/g;
482: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
483: $result =~ s/&(Tau|\#932);/T/g;
484: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
485: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
486: $result =~ s/&(Chi|\#935);/X/g;
487: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
488: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
489: #Arrows (extended HTML 4.01)
490: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
491: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
492: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
493: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
494: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
495: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
496: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
497: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
498: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
499: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
500: #Mathematical Operators (extended HTML 4.01)
501: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
502: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
503: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
504: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
505: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
506: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
507: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
508: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
509: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
510: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
511: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
512: $result =~ s/–/\\ensuremath\{-\}/g;
513: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
514: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
515: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
516: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
517: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
518: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
519: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
520: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
521: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
522: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
523: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
524: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
525: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
526: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
527: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
528: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
529: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
530: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
531: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
532: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
533: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
534: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
535: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
536: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
537: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
538: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
539: #Geometric Shapes (extended HTML 4.01)
540: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
541: #Miscellaneous Symbols (extended HTML 4.01)
542: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
543: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
544: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
545: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
546: return $result;
547: }
548:
549:
550: #width, height, oddsidemargin, evensidemargin, topmargin
551: my %page_formats=
552: ('letter' => {
553: 'book' => {
554: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
555: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
556: },
557: 'album' => {
558: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'],
559: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
560: },
561: },
562: 'legal' => {
563: 'book' => {
564: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
565: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
566: },
567: 'album' => {
568: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
569: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
570: },
571: },
572: 'tabloid' => {
573: 'book' => {
574: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
575: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
576: },
577: 'album' => {
578: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
579: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
580: },
581: },
582: 'executive' => {
583: 'book' => {
584: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
585: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
586: },
587: 'album' => {
588: '1' => [],
589: '2' => []
590: },
591: },
592: 'a2' => {
593: 'book' => {
594: '1' => [],
595: '2' => []
596: },
597: 'album' => {
598: '1' => [],
599: '2' => []
600: },
601: },
602: 'a3' => {
603: 'book' => {
604: '1' => [],
605: '2' => []
606: },
607: 'album' => {
608: '1' => [],
609: '2' => []
610: },
611: },
612: 'a4' => {
613: 'book' => {
614: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
615: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
616: },
617: 'album' => {
618: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
619: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
620: },
621: },
622: 'a5' => {
623: 'book' => {
624: '1' => [],
625: '2' => []
626: },
627: 'album' => {
628: '1' => [],
629: '2' => []
630: },
631: },
632: 'a6' => {
633: 'book' => {
634: '1' => [],
635: '2' => []
636: },
637: 'album' => {
638: '1' => [],
639: '2' => []
640: },
641: },
642: );
643:
644: sub page_format {
645: #
646: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
647: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
648: # "A2 [420x594 mm]", "A3 [297x420 mm]",
649: # "A4 [210x297 mm]", "A5 [148x210 mm]",
650: # "A6 [105x148 mm]"
651: #
652: my ($papersize,$layout,$numberofcolumns) = @_;
653: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
654: }
655:
656:
657: sub get_name {
658: my ($uname,$udom)=@_;
659: if (!defined($uname)) { $uname=$env{'user.name'}; }
660: if (!defined($udom)) { $udom=$env{'user.domain'}; }
661: my $plainname=&Apache::loncommon::plainname($uname,$udom);
662: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
663: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
664: return $plainname;
665: }
666:
667: sub get_course {
668: my $courseidinfo;
669: if (defined($env{'request.course.id'})) {
670: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
671: }
672: return $courseidinfo;
673: }
674:
675: sub page_format_transformation {
676: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
677: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
678: if ($selectionmade eq '4') {
679: $assignment='Problems from the Whole Course';
680: } else {
681: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
682: }
683: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
684: my $name = &get_name();
685: my $courseidinfo = &get_course();
686: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
687: my $topmargintoinsert = '';
688: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
689: my $fancypagestatement='';
690: if ($numberofcolumns eq '2') {
691: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
692: } else {
693: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
694: }
695: if ($layout eq 'album') {
696: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
697: } elsif ($layout eq 'book') {
698: if ($choice ne 'All class print') {
699: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
700: } else {
701: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
702: }
703: if ($papersize eq 'a4') {
704: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
705: }
706: }
707: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
708: if ($indexlist eq 'yes') {
709: $text=~s/(\\begin{document})/\\makeindex $1/;
710: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
711: }
712: return $text;
713: }
714:
715:
716: sub page_cleanup {
717: my $result = shift;
718:
719: $result =~ m/\\end{document}(\d*)$/;
720: my $number_of_columns = $1;
721: my $insert = '{';
722: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
723: $insert .= '}';
724: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
725: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
726: return $result,$number_of_columns;
727: }
728:
729:
730: sub details_for_menu {
731: my ($helper)=@_;
732: my $postdata=$env{'form.postdata'};
733: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
734: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
735: my $symbolic = &Apache::lonnet::symbread($postdata);
736: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
737: $map=&Apache::lonnet::clutter($map);
738: my $name_of_sequence = &Apache::lonnet::gettitle($map);
739: if ($name_of_sequence =~ /^\s*$/) {
740: $map =~ m|([^/]+)$|;
741: $name_of_sequence = $1;
742: }
743: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
744: if ($name_of_map =~ /^\s*$/) {
745: $env{'request.course.uri'} =~ m|([^/]+)$|;
746: $name_of_map = $1;
747: }
748: return ($name_of_resource,$name_of_sequence,$name_of_map);
749: }
750:
751:
752: sub latex_corrections {
753:
754: my ($number_of_columns,$result,$selectionmade) = @_;
755:
756: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
757: $result =~ s/\$number_of_columns/$number_of_columns/g;
758: if ($selectionmade ne '1') {
759: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/;
760: } else {
761: $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/;
762: }
763: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
764: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
765: #-- LaTeX corrections
766: my $first_comment = index($result,'<!--',0);
767: while ($first_comment != -1) {
768: my $end_comment = index($result,'-->',$first_comment);
769: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
770: $first_comment = index($result,'<!--',$first_comment);
771: }
772: $result =~ s/^\s+$//gm; #remove empty lines
773: #removes more than one empty space
774: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
775: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
776: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
777: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
778: $result =~ s/\\\\\s+\[/ \[/g;
779: #conversion of html characters to LaTeX equivalents
780: if ($result =~ m/&(\w+|#\d+);/) {
781: $result = &character_chart($result);
782: }
783: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
784: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
785:
786: return $result;
787: }
788:
789:
790: sub index_table {
791: my $currentURL = shift;
792: my $insex_string='';
793: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
794: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
795: return $insex_string;
796: }
797:
798:
799: sub IndexCreation {
800: my ($texversion,$currentURL)=@_;
801: my @key_words=split(/,/,&index_table($currentURL));
802: my $chunk='';
803: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
804: if ($st>0) {
805: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
806: $chunk=substr($texversion,0,$st+1);
807: substr($texversion,0,$st+1)=' ';
808: }
809: foreach my $key_word (@key_words) {
810: if ($key_word=~/\S+/) {
811: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
812: }
813: }
814: if ($st>0) {substr($texversion,0,1)=$chunk;}
815: return $texversion;
816: }
817:
818: sub print_latex_header {
819: my $mode=shift;
820: my $output='\documentclass[letterpaper]{article}';
821: if (($mode eq 'batchmode') || (!$perm{'pav'})) {
822: $output.='\batchmode';
823: }
824: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
825: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
826: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
827: '\usepackage{wrapfig}'.
828: '\usepackage{picins}\usepackage{calc}'."\n".
829: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
830: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
831: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
832: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
833: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
834: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
835: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
836: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
837: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
838: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
839: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
840: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
841: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
842: return $output;
843: }
844:
845: sub path_to_problem {
846: my ($urlp,$colwidth)=@_;
847: my $newurlp = '';
848: $colwidth=~s/\s*mm\s*$//;
849: #characters average about 2 mm in width
850: if (length($urlp)*2 > $colwidth) {
851: my @elements = split '/',$urlp;
852: my $curlength=0;
853: foreach my $element (@elements) {
854: if ($curlength+(length($element)*2) > $colwidth) {
855: $newurlp .= '|\vskip -1 mm \noindent \verb|';
856: $curlength=0;
857: } else {
858: $curlength+=length($element)*2;
859: }
860: $newurlp.='/'.$element;
861: }
862: } else {
863: $newurlp=$urlp;
864: }
865: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
866: }
867:
868: sub recalcto_mm {
869: my $textwidth=shift;
870: my $LaTeXwidth;
871: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
872: $LaTeXwidth = $1*10;
873: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
874: $LaTeXwidth = $1;
875: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
876: $LaTeXwidth = $1*25.4;
877: }
878: $LaTeXwidth.=' mm';
879: return $LaTeXwidth;
880: }
881:
882: sub get_textwidth {
883: my ($helper,$LaTeXwidth)=@_;
884: my $textwidth=$LaTeXwidth;
885: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
886: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
887: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
888: $helper->{'VARS'}->{'pagesize.widthunit'});
889: }
890: return $textwidth;
891: }
892:
893:
894: sub unsupported {
895: my ($currentURL,$mode)=@_;
896: if ($mode ne '') {$mode='\\'.$mode}
897: my $result.= &print_latex_header($mode);
898: if ($currentURL=~/\/ext\//) {
899: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
900: } else {
901: $result.=$currentURL;
902: }
903: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
904: return $result;
905: }
906:
907:
908: #
909: # List of recently generated print files
910: #
911: sub recently_generated {
912: my $r=shift;
913: my $prtspool=$r->dir_config('lonPrtDir');
914: my $zip_result;
915: my $pdf_result;
916: opendir(DIR,$prtspool);
917:
918: my @files =
919: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
920: closedir(DIR);
921:
922: @files = sort {
923: my ($actime) = (stat($prtspool.'/'.$a))[10];
924: my ($bctime) = (stat($prtspool.'/'.$b))[10];
925: return $bctime <=> $actime;
926: } (@files);
927:
928: foreach my $filename (@files) {
929: my ($ext) = ($filename =~ m/(pdf|zip)$/);
930: my ($cdev,$cino,$cmode,$cnlink,
931: $cuid,$cgid,$crdev,$csize,
932: $catime,$cmtime,$cctime,
933: $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
934: my $result="<a href='/prtspool/$filename'>".
935: &mt('Generated [_1] ([_2] bytes)',
936: &Apache::lonlocal::locallocaltime($cctime),$csize).
937: '</a><br />';
938: if ($ext eq 'pdf') { $pdf_result .= $result; }
939: if ($ext eq 'zip') { $zip_result .= $result; }
940: }
941: if ($zip_result) {
942: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
943: .$zip_result);
944: }
945: if ($pdf_result) {
946: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
947: .$pdf_result);
948: }
949: }
950:
951: #
952: # Retrieve the hash of page breaks.
953: #
954: # Inputs:
955: # helper - reference to helper object.
956: # Outputs
957: # A reference to a page break hash.
958: #
959: #
960:
961: sub get_page_breaks {
962: my ($helper) = @_;
963: my %page_breaks;
964:
965: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
966: $page_breaks{$break} = 1;
967: }
968:
969: return %page_breaks;
970: }
971:
972: sub output_data {
973: my ($r,$helper,$rparmhash) = @_;
974: my %parmhash = %$rparmhash;
975: my $resources_printed = '';
976: my $html=&Apache::lonxml::xmlbegin();
977: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
978: $r->print(<<ENDPART);
979: $html
980: <head>
981: <script type="text/javascript" language="Javascript">
982: var editbrowser;
983: function openbrowser(formname,elementname,only,omit) {
984: var url = '/res/?';
985: if (editbrowser == null) {
986: url += 'launch=1&';
987: }
988: url += 'catalogmode=interactive&';
989: url += 'mode=parmset&';
990: url += 'form=' + formname + '&';
991: if (only != null) {
992: url += 'only=' + only + '&';
993: }
994: if (omit != null) {
995: url += 'omit=' + omit + '&';
996: }
997: url += 'element=' + elementname + '';
998: var title = 'Browser';
999: var options = 'scrollbars=1,resizable=1,menubar=0';
1000: options += ',width=700,height=600';
1001: editbrowser = open(url,title,options,'1');
1002: editbrowser.focus();
1003: }
1004: </script>
1005: <title>LON-CAPA output for printing</title>
1006: </head>
1007: $bodytag
1008: Please stand by while processing your print request, this may take some time ...
1009: ENDPART
1010:
1011:
1012:
1013: # fetch the pagebreaks and store them in the course environment
1014: # The page breaks will be pulled into the hash %page_breaks which is
1015: # indexed by symb and contains 1's for each break.
1016:
1017: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1018: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1019: &Apache::loncommon::store_course_settings('print',
1020: {'pagebreaks' => 'scalar',
1021: 'lastprinttype' => 'scalar'});
1022:
1023: my %page_breaks = &get_page_breaks($helper);
1024:
1025: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1026: my ($result,$selectionmade) = ('','');
1027: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1028: my @temporary_array=split /\|/,$format_from_helper;
1029: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1030: if ($laystyle eq 'L') {
1031: $laystyle='album';
1032: } else {
1033: $laystyle='book';
1034: }
1035: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1036: my $assignment = $env{'form.assignment'};
1037: my $LaTeXwidth=&recalcto_mm($textwidth);
1038: my @print_array=();
1039: my @student_names=();
1040:
1041: # Common settings for the %form has:
1042: # In some cases these settings get overriddent by specific cases, but the
1043: # settings are common enough to make it worthwhile factoring them out
1044: # here.
1045: #
1046: my %form;
1047: $form{'grade_target'} = 'tex';
1048: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1049:
1050: # If form.showallfoils is set, then request all foils be shown:
1051: # privilege will be enforced both by not allowing the
1052: # check box selecting this option to be presnt unless it's ok,
1053: # and by lonresponse's priv. check.
1054: # The if is here because lonresponse.pm only cares that
1055: # showallfoils is defined, not what the value is.
1056:
1057: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1058: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1059: }
1060:
1061: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1062: #-- single document - problem, page, html, xml, ...
1063: my ($currentURL,$cleanURL);
1064:
1065: if ($helper->{'VARS'}->{'construction'} ne '1') {
1066: #prints published resource
1067: $currentURL=$helper->{'VARS'}->{'postdata'};
1068: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1069: } else {
1070: #prints resource from the construction space
1071: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1072: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1073: $cleanURL=$currentURL;
1074: }
1075: $selectionmade = 1;
1076: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1077: my $rndseed=time;
1078: my $texversion='';
1079: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1080: my %moreenv;
1081: $moreenv{'request.filename'}=$cleanURL;
1082: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1083: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1084: my $dom = $env{'user.domain'};
1085: my $user = $env{'user.name'};
1086: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1087: }
1088: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1089: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1090: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1091: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1092: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1093: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1094: if ($helper->{'VARS'}->{'curseed'}) {
1095: $rndseed=$helper->{'VARS'}->{'curseed'};
1096: }
1097: $form{'rndseed'}=$rndseed;
1098: &Apache::lonnet::appenv(%moreenv);
1099: &Apache::lonnet::delenv('form.counter');
1100: &Apache::lonxml::init_counter();
1101: $resources_printed .= $currentURL.':';
1102: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1103: &Apache::lonnet::delenv('form.counter');
1104: &Apache::lonnet::delenv('request.filename');
1105: }
1106: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1107: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1108: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1109: $form{'grade_target'}='answer';
1110: $form{'answer_output_mode'}='tex';
1111: $form{'rndseed'}=$rndseed;
1112: $resources_printed .= $currentURL.':';
1113: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1114: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1115: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1116: } else {
1117: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1118: if ($helper->{'VARS'}->{'construction'} ne '1') {
1119: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1120: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1121: } else {
1122: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1123: my $URLpath=$cleanURL;
1124: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1125: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1126: }
1127: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1128: }
1129: }
1130: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1131: $texversion=&IndexCreation($texversion,$currentURL);
1132: }
1133: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1134: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1135:
1136: }
1137: $result .= $texversion;
1138: if ($currentURL=~m/\.page\s*$/) {
1139: ($result,$number_of_columns) = &page_cleanup($result);
1140: }
1141: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1142: #printing content of sequence from the construction space
1143: my $flag_latex_header_remove = 'NO';
1144: my $rndseed=time;
1145: if ($helper->{'VARS'}->{'curseed'}) {
1146: $rndseed=$helper->{'VARS'}->{'curseed'};
1147: }
1148: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1149: my $errtext=&Apache::lonratedt::mapread($currentURL);
1150: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
1151: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
1152: my $urlp=$2;
1153: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1154: my $texversion='';
1155: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1156: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1157: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1158: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1159: $form{'rndseed'}=$rndseed;
1160: $resources_printed .=$urlp.':';
1161: $texversion=&Apache::lonnet::ssi($urlp,%form);
1162: }
1163: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1164: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1165: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1166: # Don't permanently modify %$form...
1167: my %answerform = %form;
1168: $answerform{'grade_target'}='answer';
1169: $answerform{'answer_output_mode'}='tex';
1170: $answerform{'rndseed'}=$rndseed;
1171: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1172: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1173: $resources_printed .= $urlp.':';
1174: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1175: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1176: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1177: } else {
1178: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1179: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1180: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
1181: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1182: }
1183: }
1184: if ($flag_latex_header_remove ne 'NO') {
1185: $texversion = &latex_header_footer_remove($texversion);
1186: } else {
1187: $texversion =~ s/\\end{document}//;
1188: }
1189: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1190: $texversion=&IndexCreation($texversion,$urlp);
1191: }
1192: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1193: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1194: }
1195: $result.=$texversion;
1196: $flag_latex_header_remove = 'YES';
1197: } elsif ($urlp=~/\.(sequence|page)$/) {
1198: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1199: }
1200: }
1201: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1202: $result .= '\end{document}';
1203: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1204: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1205: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1206: $resources_printed .= $currentURL.':';
1207: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1208: $result .= $texversion;
1209: } else {
1210: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1211: }
1212: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1213: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1214: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1215: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1216: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1217: #-- produce an output string
1218: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1219: $selectionmade = 2;
1220: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1221: $selectionmade = 3;
1222: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1223: $selectionmade = 4;
1224: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1225: $selectionmade = 4;
1226: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1227: $selectionmade = 7;
1228: }
1229: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1230: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1231: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1232: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1233: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1234: my $flag_latex_header_remove = 'NO';
1235: my $flag_page_in_sequence = 'NO';
1236: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1237: my $prevassignment='';
1238: &Apache::lonnet::delenv('form.counter');
1239: &Apache::lonxml::init_counter();
1240: for (my $i=0;$i<=$#master_seq;$i++) {
1241:
1242: # Note due to document structure, not allowed to put \newpage
1243: # prior to the first resource
1244:
1245: if (defined $page_breaks{$master_seq[$i]}) {
1246: if($i != 0) {
1247: $result.="\\newpage\n";
1248: }
1249: }
1250: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1251: $urlp=&Apache::lonnet::clutter($urlp);
1252: $form{'symb'}=$master_seq[$i];
1253: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
1254: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1255: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1256: if ($i==0) {$prevassignment=$assignment;}
1257: my $texversion='';
1258: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1259: $resources_printed .= $urlp.':';
1260: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1261: if ($urlp=~/\.page$/) {
1262: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1263: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1264: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1265: $flag_page_in_sequence = 'YES';
1266: }
1267: my $lonidsdir=$r->dir_config('lonIDsDir');
1268: my $envfile=$env{'user.environment'};
1269: $envfile=~/\/([^\/]+)\.id$/;
1270: $envfile=$1;
1271: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1272: my $current_counter=$env{'form.counter'};
1273: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1274: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1275: # Don't permanently pervert the %form hash
1276: my %answerform = %form;
1277: $answerform{'grade_target'}='answer';
1278: $answerform{'answer_output_mode'}='tex';
1279: $resources_printed .= $urlp.':';
1280: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1281: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1282: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1283: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1284: } else {
1285: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1286: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1287: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
1288: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1289: $texversion.='\vskip 1 mm '.$answer;
1290: } else {
1291: $texversion='';
1292: }
1293: }
1294: }
1295: if ($flag_latex_header_remove ne 'NO') {
1296: $texversion = &latex_header_footer_remove($texversion);
1297: } else {
1298: $texversion =~ s/\\end{document}//;
1299: }
1300: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1301: $texversion=&IndexCreation($texversion,$urlp);
1302: }
1303: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1304: my $name = &get_name();
1305: my $courseidinfo = &get_course();
1306: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1307: $prevassignment=$assignment;
1308: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1309: }
1310: $result .= $texversion;
1311: $flag_latex_header_remove = 'YES';
1312: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1313: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1314: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1315: $resources_printed .= $urlp.':';
1316: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1317: if ($flag_latex_header_remove ne 'NO') {
1318: $texversion = &latex_header_footer_remove($texversion);
1319: } else {
1320: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1321: }
1322: $result .= $texversion;
1323: $flag_latex_header_remove = 'YES';
1324: } else {
1325: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1326: if ($flag_latex_header_remove ne 'NO') {
1327: $texversion = &latex_header_footer_remove($texversion);
1328: } else {
1329: $texversion =~ s/\\end{document}//;
1330: }
1331: $result .= $texversion;
1332: $flag_latex_header_remove = 'YES';
1333: }
1334: if (&Apache::loncommon::connection_aborted($r)) { last; }
1335: }
1336: &Apache::lonnet::delenv('form.counter');
1337: if ($flag_page_in_sequence eq 'YES') {
1338: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1339: }
1340: $result .= '\end{document}';
1341: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1342: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1343:
1344:
1345: #-- prints assignments for whole class or for selected students
1346: my $type;
1347: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1348: $selectionmade=5;
1349: $type='problems';
1350: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1351: $selectionmade=8;
1352: $type='resources';
1353: }
1354: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1355: # The normal sort order is by section then by students within the
1356: # section. If the helper var student_sort is 1, then the user has elected
1357: # to override this and output the students by name.
1358: # Each element of the students array is of the form:
1359: # username:domain:section:last, first:status
1360: #
1361: #
1362: if ($helper->{'VARS'}->{'student_sort'} eq 1) {
1363: @students = sort compare_names @students;
1364: }
1365: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1366: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1367: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1368: }
1369: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1370:
1371: #loop over students
1372: my $flag_latex_header_remove = 'NO';
1373: my %moreenv;
1374: $moreenv{'instructor_comments'}='hide';
1375: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1376: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1377: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1378: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1379: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1380: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1381: my $student_counter=-1;
1382: foreach my $person (@students) {
1383:
1384: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1385: if (-e $duefile) {
1386: my $temp_file = Apache::File->new('>>'.$duefile);
1387: print $temp_file "1969\n";
1388: }
1389: $student_counter++;
1390: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1391: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1392: $person,$type,
1393: \%moreenv,\@master_seq,
1394: $flag_latex_header_remove,
1395: $LaTeXwidth);
1396: $resources_printed .= ":";
1397: $print_array[$i].=$output;
1398: $student_names[$i].=$person.':'.$fullname.'_END_';
1399: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1400: $flag_latex_header_remove = 'YES';
1401: if (&Apache::loncommon::connection_aborted($r)) { last; }
1402: }
1403: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1404: $result .= $print_array[0].' \end{document}';
1405: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1406: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1407: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1408: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1409: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1410: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1411: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1412: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1413: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1414:
1415: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1416: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1417: my ($code_type,$code_length)=('letter',6);
1418: foreach my $line (<FH>) {
1419: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1420: if ($name eq $code_option) {
1421: $code_length=$length;
1422: if ($type eq 'number') { $code_type = 'number'; }
1423: }
1424: }
1425: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1426: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1427: my $seed=time+($$<<16)+($$);
1428: my @allcodes;
1429: if ($old_name) {
1430: my %result=&Apache::lonnet::get('CODEs',
1431: [$old_name,"type\0$old_name"],
1432: $cdom,$cnum);
1433: $code_type=$result{"type\0$old_name"};
1434: @allcodes=split(',',$result{$old_name});
1435: $num_todo=scalar(@allcodes);
1436: } elsif ($selected_code) { # Selection value is always numeric.
1437: $num_todo = 1;
1438: @allcodes = ($selected_code);
1439: } elsif ($single_code) {
1440:
1441: $num_todo = 1; # Unconditionally one code to do.
1442: # If an alpha code have to convert to numbers so it can be
1443: # converted back to letters again :-)
1444: #
1445: if ($code_type ne 'number') {
1446: $single_code = &letters_to_num($single_code);
1447: }
1448: @allcodes = ($single_code);
1449: } else {
1450: my %allcodes;
1451: srand($seed);
1452: for (my $i=0;$i<$num_todo;$i++) {
1453: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1454: $code_type);
1455: }
1456: if ($code_name) {
1457: &Apache::lonnet::put('CODEs',
1458: {
1459: $code_name =>join(',',keys(%allcodes)),
1460: "type\0$code_name" => $code_type
1461: },
1462: $cdom,$cnum);
1463: }
1464: @allcodes=keys(%allcodes);
1465: }
1466: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1467: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1468: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1469: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1470: $number_per_page=$num_todo;
1471: }
1472: my $flag_latex_header_remove = 'NO';
1473: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1474: my $count=0;
1475: foreach my $code (sort(@allcodes)) {
1476: my $file_num=int($count/$number_per_page);
1477: if ($code_type eq 'number') {
1478: $moreenv{'CODE'}=$code;
1479: } else {
1480: $moreenv{'CODE'}=&num_to_letters($code);
1481: }
1482: my ($output,$fullname, $printed)=
1483: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1484: \@master_seq,$flag_latex_header_remove,
1485: $LaTeXwidth);
1486: $resources_printed .= ":";
1487: $print_array[$file_num].=$output;
1488: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1489: &mt('last assignment').' '.$fullname);
1490: $flag_latex_header_remove = 'YES';
1491: $count++;
1492: if (&Apache::loncommon::connection_aborted($r)) { last; }
1493: }
1494: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1495: $result .= $print_array[0].' \end{document}';
1496: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1497: #prints selected problems from the subdirectory
1498: $selectionmade = 6;
1499: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1500: @list_of_files=sort @list_of_files;
1501: my $flag_latex_header_remove = 'NO';
1502: my $rndseed=time;
1503: if ($helper->{'VARS'}->{'curseed'}) {
1504: $rndseed=$helper->{'VARS'}->{'curseed'};
1505: }
1506: for (my $i=0;$i<=$#list_of_files;$i++) {
1507: my $urlp = $list_of_files[$i];
1508: $urlp=~s|//|/|;
1509: if ($urlp=~/\//) {
1510: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1511: $form{'rndseed'}=$rndseed;
1512: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1513: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1514: } else {
1515: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1516: }
1517: $resources_printed .= $urlp.':';
1518: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1519: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1520: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1521: # Don't permanently pervert %form:
1522: my %answerform = %form;
1523: $answerform{'grade_target'}='answer';
1524: $answerform{'answer_output_mode'}='tex';
1525: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1526: $answerform{'rndseed'}=$rndseed;
1527: $resources_printed .= $urlp.':';
1528: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1529: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1530: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1531: } else {
1532: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1533: if ($helper->{'VARS'}->{'construction'} ne '1') {
1534: $texversion.='\vskip 0 mm \noindent ';
1535: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1536: } else {
1537: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1538: my $URLpath=$urlp;
1539: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1540: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1541: }
1542: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1543: }
1544: }
1545: #this chunck is responsible for printing the path to problem
1546: my $newurlp=$urlp;
1547: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1548: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1549: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1550: if ($flag_latex_header_remove ne 'NO') {
1551: $texversion = &latex_header_footer_remove($texversion);
1552: } else {
1553: $texversion =~ s/\\end{document}//;
1554: }
1555: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1556: $texversion=&IndexCreation($texversion,$urlp);
1557: }
1558: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1559: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1560:
1561: }
1562: $result .= $texversion;
1563: }
1564: $flag_latex_header_remove = 'YES';
1565: }
1566: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1567: $result .= '\end{document}';
1568: }
1569: #-------------------------------------------------------- corrections for the different page formats
1570: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1571: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1572: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1573: #changes page's parameters for the one column output
1574: if ($numberofcolumns == 1) {
1575: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1576: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1577: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1578: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1579: }
1580:
1581: #-- writing .tex file in prtspool
1582: my $temp_file;
1583: my $identifier = &Apache::loncommon::get_cgi_id();
1584: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1585: if (!($#print_array>0)) {
1586: unless ($temp_file = Apache::File->new('>'.$filename)) {
1587: $r->log_error("Couldn't open $filename for output $!");
1588: return SERVER_ERROR;
1589: }
1590: print $temp_file $result;
1591: my $begin=index($result,'\begin{document}',0);
1592: my $inc=substr($result,0,$begin+16);
1593: } else {
1594: my $begin=index($result,'\begin{document}',0);
1595: my $inc=substr($result,0,$begin+16);
1596: for (my $i=0;$i<=$#print_array;$i++) {
1597: if ($i==0) {
1598: $print_array[$i]=$result;
1599: } else {
1600: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1601: substr($print_array[$i],0,$anobegin)='';
1602: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1603: }
1604: my $temp_file;
1605: my $newfilename=$filename;
1606: my $num=$i+1;
1607: $newfilename =~s/\.tex$//;
1608: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1609: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1610: $r->log_error("Couldn't open $newfilename for output $!");
1611: return SERVER_ERROR;
1612: }
1613: print $temp_file $print_array[$i];
1614: }
1615: }
1616: my $student_names='';
1617: if ($#print_array>0) {
1618: for (my $i=0;$i<=$#print_array;$i++) {
1619: $student_names.=$student_names[$i].'_ENDPERSON_';
1620: }
1621: } else {
1622: if ($#student_names>-1) {
1623: $student_names=$student_names[0].'_ENDPERSON_';
1624: } else {
1625: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1626: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1627: $env{'request.course.sec'},$fullname).
1628: '_ENDPERSON_'.'_END_';
1629: }
1630: }
1631:
1632: my $URLback=''; #link to original document
1633: if ($helper->{'VARS'}->{'construction'} ne '1') {
1634: #prints published resource
1635: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1636: } else {
1637: #prints resource from the construction space
1638: $URLback='/'.$helper->{'VARS'}->{'filename'};
1639: if ($URLback=~/([^?]+)/) {
1640: $URLback=$1;
1641: $URLback=~s|^/~|/priv/|;
1642: }
1643: }
1644: # logic for now is too complex to trace if this has been defined
1645: # yet.
1646: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1647: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1648: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1649: 'cgi.'.$identifier.'.layout' => $laystyle,
1650: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1651: 'cgi.'.$identifier.'.paper' => $papersize,
1652: 'cgi.'.$identifier.'.selection' => $selectionmade,
1653: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1654: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1655: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1656: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1657: 'cgi.'.$identifier.'.studentnames' => $student_names,
1658: 'cgi.'.$identifier.'.backref' => $URLback,);
1659: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1660: "cgi.$identifier.domain" => $env{'user.domain'},
1661: "cgi.$identifier.courseid" => $cnum,
1662: "cgi.$identifier.coursedom" => $cdom,
1663: "cgi.$identifier.resources" => $resources_printed);
1664:
1665: $r->print(<<FINALEND);
1666: <br />
1667: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1668: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1669: </body>
1670: </html>
1671: FINALEND
1672: }
1673:
1674:
1675: sub get_CODE {
1676: my ($all_codes,$num,$seed,$size,$type)=@_;
1677: my $max='1'.'0'x$size;
1678: my $newcode;
1679: while(1) {
1680: $newcode=sprintf("%0".$size."d",int(rand($max)));
1681: if (!exists($$all_codes{$newcode})) {
1682: $$all_codes{$newcode}=1;
1683: if ($type eq 'number' ) {
1684: return $newcode;
1685: } else {
1686: return &num_to_letters($newcode);
1687: }
1688: }
1689: }
1690: }
1691:
1692: sub print_resources {
1693: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1694: $LaTeXwidth)=@_;
1695: my $current_output = '';
1696: my $printed = '';
1697: my ($username,$userdomain,$usersection) = split /:/,$person;
1698: my $fullname = &get_name($username,$userdomain);
1699: my $namepostfix;
1700: if ($person =~ 'anon') {
1701: $namepostfix="\\\\Name: ";
1702: $fullname = "CODE - ".$moreenv->{'CODE'};
1703: }
1704: my $i = 0;
1705: #goes through all resources, checks if they are available for
1706: #current student, and produces output
1707: &Apache::lonnet::delenv('form.counter');
1708: &Apache::lonxml::init_counter();
1709:
1710: my %page_breaks = &get_page_breaks($helper);
1711:
1712: foreach my $curresline (@{$master_seq}) {
1713: if (defined $page_breaks{$curresline}) {
1714: if($i != 0) {
1715: $current_output.= "\\newpage\n";
1716: }
1717: }
1718: $i++;
1719: if ( !($type eq 'problems' &&
1720: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1721: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1722: if (&Apache::lonnet::allowed('bre',$res_url)) {
1723: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1724: $printed .= $curresline.':';
1725: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1726: my $lonidsdir=$r->dir_config('lonIDsDir');
1727: my $envfile=$env{'user.environment'};
1728: $envfile=~/\/([^\/]+)\.id$/;
1729: $envfile=$1;
1730: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1731: my $current_counter=$env{'form.counter'};
1732: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1733: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1734: # Use a copy of the hash so we don't pervert it on future loop passes.
1735: my %answerenv = %{$moreenv};
1736: $answerenv{'answer_output_mode'}='tex';
1737: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1738: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1739: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1740: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1741: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1742: } else {
1743: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1744: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1745: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1746: $rendered.='\vskip 1 mm '.$ansrendered;
1747: }
1748: }
1749: if ($remove_latex_header eq 'YES') {
1750: $rendered = &latex_header_footer_remove($rendered);
1751: } else {
1752: $rendered =~ s/\\end{document}//;
1753: }
1754: $current_output .= $rendered;
1755: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1756: $printed .= $curresline.':';
1757: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1758: my $lonidsdir=$r->dir_config('lonIDsDir');
1759: my $envfile=$env{'user.environment'};
1760: $envfile=~/\/([^\/]+)\.id$/;
1761: $envfile=$1;
1762: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1763: my $current_counter=$env{'form.counter'};
1764: if ($remove_latex_header eq 'YES') {
1765: $rendered = &latex_header_footer_remove($rendered);
1766: } else {
1767: $rendered =~ s/\\end{document}//;
1768: }
1769: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1770: } else {
1771: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1772: if ($remove_latex_header ne 'NO') {
1773: $rendered = &latex_header_footer_remove($rendered);
1774: } else {
1775: $rendered =~ s/\\end{document}//;
1776: }
1777: $current_output .= $rendered;
1778: }
1779: }
1780: $remove_latex_header = 'YES';
1781: }
1782: if (&Apache::loncommon::connection_aborted($r)) { last; }
1783: }
1784: my $courseidinfo = &get_course();
1785: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1786: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1787: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1788: if ($current_output=~/\\documentclass/) {
1789: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1790: } else {
1791: my $blankpages = '';
1792: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1793: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1794: }
1795: return ($current_output,$fullname, $printed);
1796:
1797: }
1798:
1799: sub handler {
1800:
1801: my $r = shift;
1802:
1803: &init_perm();
1804:
1805: # my $loaderror=&Apache::lonnet::overloaderror($r);
1806: # if ($loaderror) { return $loaderror; }
1807: # $loaderror=
1808: # &Apache::lonnet::overloaderror($r,
1809: # $env{'course.'.$env{'request.course.id'}.'.home'});
1810: # if ($loaderror) { return $loaderror; }
1811:
1812: my $helper = printHelper($r);
1813: if (!ref($helper)) {
1814: return $helper;
1815: }
1816:
1817: # my $key;
1818: # foreach $key (keys %{$helper->{'VARS'}}) {
1819: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1820: # }
1821: # foreach $key (keys %env) {
1822: # $r->print(' '.$key.'->'.$env{$key}.'<-<br />');
1823: # }
1824: # return OK;
1825:
1826: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1827:
1828: # my $key;
1829: # foreach $key (keys %parmhash) {
1830: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1831: # }
1832: #
1833:
1834:
1835: # If a figure conversion queue file exists for this user.domain
1836: # we delete it since it can only be bad (if it were good, printout.pl
1837: # would have deleted it the last time around.
1838:
1839: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1840: if(-e $conversion_queuefile) {
1841: unlink $conversion_queuefile;
1842: }
1843: &output_data($r,$helper,\%parmhash);
1844: return OK;
1845: }
1846:
1847: use Apache::lonhelper;
1848:
1849: sub addMessage {
1850: my $text = shift;
1851: my $paramHash = Apache::lonhelper::getParamHash();
1852: $paramHash->{MESSAGE_TEXT} = $text;
1853: Apache::lonhelper::message->new();
1854: }
1855:
1856: use Data::Dumper;
1857:
1858: sub init_perm {
1859: undef(%perm);
1860: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1861: if (!$perm{'pav'}) {
1862: $perm{'pav'}=&Apache::lonnet::allowed('pav',
1863: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1864: }
1865: $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1866: if (!$perm{'pfo'}) {
1867: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
1868: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1869: }
1870: }
1871:
1872: sub printHelper {
1873: my $r = shift;
1874:
1875: if ($r->header_only) {
1876: if ($env{'browser.mathml'}) {
1877: &Apache::loncommon::content_type($r,'text/xml');
1878: } else {
1879: &Apache::loncommon::content_type($r,'text/html');
1880: }
1881: $r->send_http_header;
1882: return OK;
1883: }
1884:
1885: # Send header, nocache
1886: if ($env{'browser.mathml'}) {
1887: &Apache::loncommon::content_type($r,'text/xml');
1888: } else {
1889: &Apache::loncommon::content_type($r,'text/html');
1890: }
1891: &Apache::loncommon::no_cache($r);
1892: $r->send_http_header;
1893: $r->rflush();
1894:
1895: # Unfortunately, this helper is so complicated we have to
1896: # write it by hand
1897:
1898: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1899:
1900: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1901: $helper->declareVar('symb');
1902: $helper->declareVar('postdata');
1903: $helper->declareVar('curseed');
1904: $helper->declareVar('probstatus');
1905: $helper->declareVar('filename');
1906: $helper->declareVar('construction');
1907: $helper->declareVar('assignment');
1908: $helper->declareVar('style_file');
1909: $helper->declareVar('student_sort');
1910: $helper->declareVar('FINISHPAGE');
1911: $helper->declareVar('PRINT_TYPE');
1912: $helper->declareVar("showallfoils");
1913:
1914: # The page breaks can get loaded initially from the course environment:
1915: # But we only do this in the initial state so that they are allowed to change.
1916: #
1917:
1918: $helper->{VARS}->{FINISHPAGE} = '';
1919:
1920: &Apache::loncommon::restore_course_settings('print',
1921: {'pagebreaks' => 'scalar',
1922: 'lastprinttype' => 'scalar'});
1923:
1924:
1925: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
1926: if (!defined ($env{"form.CURRENT_STATE"})) {
1927:
1928: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1929: } else {
1930: my $state = $env{"form.CURRENT_STATE"};
1931: if ($state eq "START") {
1932: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1933: }
1934: }
1935:
1936: }
1937:
1938:
1939: # This will persistently load in the data we want from the
1940: # very first screen.
1941: # Detect whether we're coming from construction space
1942: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1943: $helper->{VARS}->{'filename'} = "~$1/$2";
1944: $helper->{VARS}->{'construction'} = 1;
1945: } else {
1946: if ($env{'form.postdata'}) {
1947: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1948: }
1949: if ($env{'form.symb'}) {
1950: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1951: }
1952: if ($env{'form.url'}) {
1953: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1954: }
1955: }
1956:
1957: if ($env{'form.symb'}) {
1958: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1959: }
1960: if ($env{'form.url'}) {
1961: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1962:
1963: }
1964: $helper->{VARS}->{'symb'}=
1965: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1966: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1967: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1968:
1969:
1970: # Extract map
1971: my $symb = $helper->{VARS}->{'symb'};
1972: my ($map, $id, $url);
1973: my $subdir;
1974:
1975: # Get the resource name from construction space
1976: if ($helper->{VARS}->{'construction'}) {
1977: $resourceTitle = substr($helper->{VARS}->{'filename'},
1978: rindex($helper->{VARS}->{'filename'}, '/')+1);
1979: $subdir = substr($helper->{VARS}->{'filename'},
1980: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1981: } else {
1982: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1983: $helper->{VARS}->{'postdata'} =
1984: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1985:
1986: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1987: my $postdata = $helper->{VARS}->{'postdata'};
1988: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1989: }
1990: $subdir = &Apache::lonnet::filelocation("", $url);
1991: }
1992: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
1993: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1994: }
1995: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1996: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
1997: }
1998:
1999: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2000:
2001: Apache::lonhelper::registerHelperTags();
2002:
2003: # "Delete everything after the last slash."
2004: $subdir =~ s|/[^/]+$||;
2005: if (not $helper->{VARS}->{'construction'}) {
2006: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
2007: }
2008: # "Remove all duplicate slashes."
2009: $subdir =~ s|/+|/|g;
2010:
2011: # What can be printed is a very dynamic decision based on
2012: # lots of factors. So we need to dynamically build this list.
2013: # To prevent security leaks, states are only added to the wizard
2014: # if they can be reached, which ensures manipulating the form input
2015: # won't allow anyone to reach states they shouldn't have permission
2016: # to reach.
2017:
2018: # printChoices is tracking the kind of printing the user can
2019: # do, and will be used in a choices construction later.
2020: # In the meantime we will be adding states and elements to
2021: # the helper by hand.
2022: my $printChoices = [];
2023: my $paramHash;
2024:
2025: if ($resourceTitle) {
2026: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2027: }
2028:
2029: # Useful filter strings
2030: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2031: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2032: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2033: my $isNotMap = '!$res->is_sequence()';
2034: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2035: my $isMap = '$res->is_map()';
2036: my $symbFilter = '$res->shown_symb()';
2037: my $urlValue = '$res->link()';
2038:
2039: $helper->declareVar('SEQUENCE');
2040:
2041: # Useful for debugging: Dump the help vars
2042: # $r->print(Dumper($helper->{VARS}));
2043: # $r->print($map);
2044:
2045: # If we're in a sequence...
2046: if (($helper->{'VARS'}->{'construction'} ne '1') &&
2047:
2048: $helper->{VARS}->{'postdata'} &&
2049: $helper->{VARS}->{'assignment'}) {
2050: # Allow problems from sequence
2051: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
2052: # Allow all resources from sequence
2053: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2054:
2055: my $helperFragment = <<HELPERFRAGMENT;
2056: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2057: <message>(mark them then click "next" button) <br /></message>
2058: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2059: closeallpages="1">
2060: <nextstate>PAGESIZE</nextstate>
2061: <filterfunc>return $isProblem;</filterfunc>
2062: <mapurl>$map</mapurl>
2063: <valuefunc>return $symbFilter;</valuefunc>
2064: <option text='Newpage' variable='FINISHPAGE' />
2065: </resource>
2066: </state>
2067:
2068: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2069: <message>(mark them then click "next" button) <br /></message>
2070: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2071: closeallpages="1">
2072: <nextstate>PAGESIZE</nextstate>
2073: <filterfunc>return $isNotMap;</filterfunc>
2074: <mapurl>$map</mapurl>
2075: <valuefunc>return $symbFilter;</valuefunc>
2076: <option text='Newpage' variable='FINISHPAGE' />
2077: </resource>
2078: </state>
2079: HELPERFRAGMENT
2080:
2081: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2082: }
2083:
2084: # If the user has pfo (print for otheres) allow them to print all
2085: # problems and resources in the entier course, optionally for selected students
2086: if ($perm{'pfo'} &&
2087: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2088:
2089: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2090: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2091: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2092: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2093: <message>(mark them then click "next" button) <br /></message>
2094: <resource variable="RESOURCES" toponly='0' multichoice="1"
2095: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2096: <nextstate>PAGESIZE</nextstate>
2097: <filterfunc>return $isProblemOrMap;</filterfunc>
2098: <choicefunc>return $isNotMap;</choicefunc>
2099: <valuefunc>return $symbFilter;</valuefunc>
2100: <option text='Newpage' variable='FINISHPAGE' />
2101: </resource>
2102: </state>
2103: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2104: <message>(Mark them then click "next" button) <br /> </message>
2105: <resource variable="RESOURCES" toponly='0' multichoice='1'
2106: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2107: <nextstate>PAGESIZE</nextstate>
2108: <filterfunc>return $isNotMap; </filterfunc>
2109: <valuefunc>return $symbFilter;</valuefunc>
2110: <option text='NewPage' variable='FINISHPAGE' />
2111: </resource>
2112: </state>
2113: ALL_PROBLEMS
2114:
2115: if ($helper->{VARS}->{'assignment'}) {
2116: 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'];
2117: 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'];
2118: }
2119: my $resource_selector=<<RESOURCE_SELECTOR;
2120: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2121: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2122: closeallpages="1">
2123: <filterfunc>return $isProblem;</filterfunc>
2124: <mapurl>$map</mapurl>
2125: <valuefunc>return $symbFilter;</valuefunc>
2126: <option text='New Page' variable='FINISHPAGE' />
2127: </resource>
2128: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2129: <choices variable="EMPTY_PAGES">
2130: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2131: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2132: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2133: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2134: </choices>
2135: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2136: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2137: RESOURCE_SELECTOR
2138:
2139: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2140: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2141: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
2142: <message><b>Select sort order</b> </message>
2143: <choices variable='student_sort'>
2144: <choice computer='0'>Sort by section then student</choice>
2145: <choice computer='1'>Sort by students across sections.</choice>
2146: </choices>
2147: $resource_selector
2148: </state>
2149: CHOOSE_STUDENTS
2150:
2151: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2152: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2153: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2154: my $namechoice='<choice></choice>';
2155: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2156: if ($name =~ /^error: 2 /) { next; }
2157: if ($name =~ /^type\0/) { next; }
2158: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2159: }
2160:
2161:
2162: my %all_codes = &Apache::lonnet::get('CODEs',
2163: \@names, $cdom,$cnum);
2164: my %code_values;
2165: my @all_code_array;
2166: foreach my $key (keys %all_codes) {
2167: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2168: foreach my $key (keys %code_values) {
2169: push (@all_code_array, "$key");
2170: }
2171: }
2172:
2173: my $code_selection = "<choice></choice>\n";
2174: foreach my $code (sort {uc($a) cmp uc($b)} @all_code_array) {
2175: my $choice = $code;
2176: if ($code =~ /^[A-Z]+$/) { # Alpha code
2177: $choice = &letters_to_num($code);
2178: }
2179: $code_selection .= ' <choice computer="'.$choice.'">'.$code."</choice>\n";
2180: }
2181: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2182: my $codechoice='';
2183: foreach my $line (<FH>) {
2184: my ($name,$description,$code_type,$code_length)=
2185: (split(/:/,$line))[0,1,2,4];
2186: if ($code_length > 0 &&
2187: $code_type =~/^(letter|number|-1)/) {
2188: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2189: }
2190: }
2191: if ($codechoice eq '') {
2192: $codechoice='<choice computer="default">Default</choice>';
2193: }
2194: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2195: <state name="CHOOSE_ANON1" title="Select Students and Resources">
2196: <nextstate>PAGESIZE</nextstate>
2197: <message><hr width='33%' /></message>
2198: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2199: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2200: <validator>
2201: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2202: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2203: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2204: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2205: return "You need to specify the number of assignments to print";
2206: }
2207: return undef;
2208: </validator>
2209: </string>
2210: <message></td></tr><tr><td></message>
2211: <message><b>Value of CODE to print?</b></td><td></message>
2212: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2213: <validator>
2214: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2215: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2216: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2217: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2218: \$helper->{'VARS'}{'CODE_OPTION'});
2219: } else {
2220: return undef; # Other forces control us.
2221: }
2222: </validator>
2223: </string>
2224: <message></td></tr><tr><td></message>
2225: <message><b>Choose single code from list</b></message>
2226: <message></td><td></message>
2227: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2228: $code_selection
2229: </dropdown>
2230: <message></td></tr><tr><td></message>
2231: <message><b>Names to store the CODEs under for later:</b></message>
2232: <message></td><td></message>
2233: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2234: <message></td></tr><tr><td></message>
2235: <message><b>Bubble sheet type:</b></message>
2236: <message></td><td></message>
2237: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2238: $codechoice
2239: </dropdown>
2240: <message></td></tr></table></message>
2241: <message><hr width='33%' /></message>
2242: <message><b>Reprint a set of saved CODEs:</b></message>
2243: <dropdown variable="REUSE_OLD_CODES">
2244: $namechoice
2245: </dropdown>
2246: <message><hr width='33%' /></message>
2247: $resource_selector
2248: </state>
2249: CHOOSE_ANON1
2250:
2251:
2252: if ($helper->{VARS}->{'assignment'}) {
2253: 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'];
2254: 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'];
2255: }
2256:
2257:
2258: $resource_selector=<<RESOURCE_SELECTOR;
2259: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2260: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2261: closeallpages="1">
2262: <filterfunc>return $isNotMap;</filterfunc>
2263: <mapurl>$map</mapurl>
2264: <valuefunc>return $symbFilter;</valuefunc>
2265: <option text='Newpage' variable='FINISHPAGE' />
2266: </resource>
2267: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2268: <choices variable="EMPTY_PAGES">
2269: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2270: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2271: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2272: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2273: </choices>
2274: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2275: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2276: RESOURCE_SELECTOR
2277:
2278: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2279: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2280: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
2281: <choices variable='student_sort'>
2282: <choice computer='0'>Sort by section then student</choice>
2283: <choice computer='1'>Sort by students across sections.</choice>
2284: </choices>
2285:
2286: $resource_selector
2287: </state>
2288: CHOOSE_STUDENTS1
2289:
2290: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2291: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2292: <nextstate>PAGESIZE</nextstate>
2293: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2294: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2295: <validator>
2296: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2297: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2298: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2299: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2300: return "You need to specify the number of assignments to print";
2301: }
2302: return undef;
2303: </validator>
2304: </string>
2305: <message></td></tr><tr><td></message>
2306: <message><b>Value of CODE to print?</b></td><td></message>
2307: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2308: <validator>
2309: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2310: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2311: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2312: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2313: \$helper->{'VARS'}{'CODE_OPTION'});
2314: } else {
2315: return undef; # Other forces control us.
2316: }
2317: </validator>
2318: </string>
2319: <message></td></tr><tr><td></message>
2320: <message><b>Choose single code from list</b></message>
2321: <message></td><td></message>
2322: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2323: $code_selection
2324: </dropdown>
2325: <message></td></tr><tr><td></message>
2326: <message><b>Names to store the CODEs under for later:</b></message>
2327: <message></td><td></message>
2328: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2329: <message></td></tr><tr><td></message>
2330: <message><b>Bubble sheet type:</b></message>
2331: <message></td><td></message>
2332: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2333: $codechoice
2334: </dropdown>
2335: <message></td></tr></table></message>
2336: <message><hr width='33%' /></message>
2337: <message><b>Reprint a set of saved CODEs:</b></message>
2338: <dropdown variable="REUSE_OLD_CODES">
2339: $namechoice
2340: </dropdown>
2341: <message><hr width='33%' /></message>
2342: $resource_selector
2343: </state>
2344: CHOOSE_ANON2
2345: }
2346:
2347: # FIXME: That RE should come from a library somewhere.
2348: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2349: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2350:
2351: my $f = '$filename';
2352: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2353: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2354: <message>(mark them then click "next" button) <br /></message>
2355: <files variable="FILES" multichoice='1'>
2356: <nextstate>PAGESIZE</nextstate>
2357: <filechoice>return '$subdir';</filechoice>
2358: CHOOSE_FROM_SUBDIR
2359:
2360: # this is broken up because I really want interpolation above,
2361: # and I really DON'T want it below
2362: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2363: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2364: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2365: </filefilter>
2366: </files>
2367: </state>
2368: CHOOSE_FROM_SUBDIR
2369: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2370: }
2371:
2372: # Allow the user to select any sequence in the course, feed it to
2373: # another resource selector for that sequence
2374: if (!$helper->{VARS}->{'construction'}) {
2375: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
2376: 'select_sequences', 'CHOOSE_SEQUENCE'];
2377: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2378: #Escape apostrophes and backslashes for Perl
2379: $escapedSequenceName =~ s/\\/\\\\/g;
2380: $escapedSequenceName =~ s/'/\\'/g;
2381: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2382: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2383: <message>Select the sequence to print resources from:</message>
2384: <resource variable="SEQUENCE">
2385: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2386: <filterfunc>return \$res->is_sequence;</filterfunc>
2387: <valuefunc>return $urlValue;</valuefunc>
2388: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2389: </choicefunc>
2390: <option text='Newpage' variable='FINISHPAGE' />
2391: </resource>
2392: </state>
2393: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2394: <message>(mark desired resources then click "next" button) <br /></message>
2395: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2396: closeallpages="1">
2397: <nextstate>PAGESIZE</nextstate>
2398: <filterfunc>return $isProblem</filterfunc>
2399: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2400: <valuefunc>return $symbFilter;</valuefunc>
2401: <option text='Newpage' variable='FINISHPAGE' />
2402: </resource>
2403: </state>
2404: CHOOSE_FROM_ANY_SEQUENCE
2405: }
2406:
2407: # Generate the first state, to select which resources get printed.
2408: Apache::lonhelper::state->new("START", "Select Printing Options:");
2409: $paramHash = Apache::lonhelper::getParamHash();
2410: $paramHash->{MESSAGE_TEXT} = "";
2411: Apache::lonhelper::message->new();
2412: $paramHash = Apache::lonhelper::getParamHash();
2413: $paramHash->{'variable'} = 'PRINT_TYPE';
2414: $paramHash->{CHOICES} = $printChoices;
2415: Apache::lonhelper::choices->new();
2416:
2417: my $startedTable = 0; # have we started an HTML table yet? (need
2418: # to close it later)
2419:
2420: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2421: ($helper->{VARS}->{'construction'} eq '1')) {
2422: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2423: $paramHash = Apache::lonhelper::getParamHash();
2424: $paramHash->{'variable'} = 'ANSWER_TYPE';
2425: $helper->declareVar('ANSWER_TYPE');
2426: $paramHash->{CHOICES} = [
2427: ['Without Answers', 'yes'],
2428: ['With Answers', 'no'],
2429: ['Only Answers', 'only']
2430: ];
2431: Apache::lonhelper::dropdown->new();
2432: addMessage("</td></tr>");
2433: $startedTable = 1;
2434: }
2435:
2436: if ($perm{'pav'}) {
2437: if (!$startedTable) {
2438: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2439: $startedTable = 1;
2440: } else {
2441: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2442: }
2443: $paramHash = Apache::lonhelper::getParamHash();
2444: $paramHash->{'variable'} = 'LATEX_TYPE';
2445: $helper->declareVar('LATEX_TYPE');
2446: if ($helper->{VARS}->{'construction'} eq '1') {
2447: $paramHash->{CHOICES} = [
2448: ['standard LaTeX mode', 'standard'],
2449: ['LaTeX batchmode', 'batchmode'], ];
2450: } else {
2451: $paramHash->{CHOICES} = [
2452: ['LaTeX batchmode', 'batchmode'],
2453: ['standard LaTeX mode', 'standard'] ];
2454: }
2455: Apache::lonhelper::dropdown->new();
2456:
2457: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2458: $paramHash = Apache::lonhelper::getParamHash();
2459: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2460: $helper->declareVar('TABLE_CONTENTS');
2461: $paramHash->{CHOICES} = [
2462: ['No', 'no'],
2463: ['Yes', 'yes'] ];
2464: Apache::lonhelper::dropdown->new();
2465: addMessage("</td></tr>");
2466:
2467: if (not $helper->{VARS}->{'construction'}) {
2468: addMessage("<tr><td align='right'>Print Index: </td><td>");
2469: $paramHash = Apache::lonhelper::getParamHash();
2470: $paramHash->{'variable'} = 'TABLE_INDEX';
2471: $helper->declareVar('TABLE_INDEX');
2472: $paramHash->{CHOICES} = [
2473: ['No', 'no'],
2474: ['Yes', 'yes'] ];
2475: Apache::lonhelper::dropdown->new();
2476: addMessage("</td></tr>");
2477: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2478: $paramHash = Apache::lonhelper::getParamHash();
2479: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2480: $helper->declareVar('PRINT_DISCUSSIONS');
2481: $paramHash->{CHOICES} = [
2482: ['No', 'no'],
2483: ['Yes', 'yes'] ];
2484: Apache::lonhelper::dropdown->new();
2485: addMessage("</td></tr>");
2486:
2487: addMessage("<tr><td align = 'right'> </td><td>");
2488: $paramHash = Apache::lonhelper::getParamHash();
2489: $paramHash->{'multichoice'} = "true";
2490: $paramHash->{'allowempty'} = "true";
2491: $paramHash->{'variable'} = "showallfoils";
2492: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2493: Apache::lonhelper::choices->new();
2494: addMessage("</td></tr>");
2495: }
2496:
2497: if ($helper->{'VARS'}->{'construction'}) {
2498: my $stylevalue=$env{'construct.style'};
2499: my $xmlfrag .= <<"RNDSEED";
2500: <message><tr><td align='right'>Use random seed: </td><td></message>
2501: <string variable="curseed" size="15" maxlength="15">
2502: <defaultvalue>
2503: return $helper->{VARS}->{'curseed'};
2504: </defaultvalue>
2505: </string>
2506: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2507: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message>
2508: <choices allowempty="1" multichoice="true" variable="showallfoils">
2509: <choice computer="1">Show all foils?</choice>
2510: </choices>
2511: <message></td></tr></message>
2512: RNDSEED
2513: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2514: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2515:
2516: }
2517: }
2518:
2519:
2520:
2521:
2522: if ($startedTable) {
2523: addMessage("</table>");
2524: }
2525:
2526: Apache::lonprintout::page_format_state->new("FORMAT");
2527:
2528: # Generate the PAGESIZE state which will offer the user the margin
2529: # choices if they select one column
2530: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2531: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2532:
2533:
2534: $helper->process();
2535:
2536: # MANUAL BAILOUT CONDITION:
2537: # If we're in the "final" state, bailout and return to handler
2538: if ($helper->{STATE} eq 'FINAL') {
2539: return $helper;
2540: }
2541:
2542: $r->print($helper->display());
2543: if ($helper->{STATE} eq 'START') {
2544: &recently_generated($r);
2545: }
2546: &Apache::lonhelper::unregisterHelperTags();
2547:
2548: return OK;
2549: }
2550:
2551:
2552: 1;
2553:
2554: package Apache::lonprintout::page_format_state;
2555:
2556: =pod
2557:
2558: =head1 Helper element: page_format_state
2559:
2560: See lonhelper.pm documentation for discussion of the helper framework.
2561:
2562: Apache::lonprintout::page_format_state is an element that gives the
2563: user an opportunity to select the page layout they wish to print
2564: with: Number of columns, portrait/landscape, and paper size. If you
2565: want to change the paper size choices, change the @paperSize array
2566: contents in this package.
2567:
2568: page_format_state is always directly invoked in lonprintout.pm, so there
2569: is no tag interface. You actually pass parameters to the constructor.
2570:
2571: =over 4
2572:
2573: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2574:
2575: =back
2576:
2577: =cut
2578:
2579: use Apache::lonhelper;
2580:
2581: no strict;
2582: @ISA = ("Apache::lonhelper::element");
2583: use strict;
2584: use Apache::lonlocal;
2585: use Apache::lonnet;
2586:
2587: my $maxColumns = 2;
2588: # it'd be nice if these all worked
2589: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2590: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2591: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2592: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2593: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2594: "a4 [210x297 mm]");
2595:
2596: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2597: # Paper type
2598:
2599: sub new {
2600: my $self = Apache::lonhelper::element->new();
2601:
2602: shift;
2603:
2604: $self->{'variable'} = shift;
2605: my $helper = Apache::lonhelper::getHelper();
2606: $helper->declareVar($self->{'variable'});
2607: bless($self);
2608: return $self;
2609: }
2610:
2611: sub render {
2612: my $self = shift;
2613: my $helper = Apache::lonhelper::getHelper();
2614: my $result = '';
2615: my $var = $self->{'variable'};
2616: my $PageLayout=&mt('Page layout');
2617: my $NumberOfColumns=&mt('Number of columns');
2618: my $PaperType=&mt('Paper type');
2619: $result .= <<STATEHTML;
2620:
2621: <hr width="33%" />
2622: <table cellpadding="3">
2623: <tr>
2624: <td align="center"><b>$PageLayout</b></td>
2625: <td align="center"><b>$NumberOfColumns</b></td>
2626: <td align="center"><b>$PaperType</b></td>
2627: </tr>
2628: <tr>
2629: <td>
2630: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2631: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2632: </td>
2633: <td align="center">
2634: <select name="${var}.cols">
2635: STATEHTML
2636:
2637: my $i;
2638: for ($i = 1; $i <= $maxColumns; $i++) {
2639: if ($i == 2) {
2640: $result .= "<option value='$i' selected>$i</option>\n";
2641: } else {
2642: $result .= "<option value='$i'>$i</option>\n";
2643: }
2644: }
2645:
2646: $result .= "</select></td><td>\n";
2647: $result .= "<select name='${var}.paper'>\n";
2648:
2649: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2650: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
2651: $DefaultPaperSize=~s/\s//g;
2652: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2653: $i = 0;
2654: foreach (@paperSize) {
2655: $_=~/(\w+)/;
2656: my $papersize=$1;
2657: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2658: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2659: } else {
2660: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2661: }
2662: $i++;
2663: }
2664: $result .= "</select></td></tr></table>";
2665: return $result;
2666: }
2667:
2668: sub postprocess {
2669: my $self = shift;
2670:
2671: my $var = $self->{'variable'};
2672: my $helper = Apache::lonhelper->getHelper();
2673: $helper->{VARS}->{$var} =
2674: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2675: $env{"form.$var.paper"};
2676: return 1;
2677: }
2678:
2679: 1;
2680:
2681: package Apache::lonprintout::page_size_state;
2682:
2683: =pod
2684:
2685: =head1 Helper element: page_size_state
2686:
2687: See lonhelper.pm documentation for discussion of the helper framework.
2688:
2689: Apache::lonprintout::page_size_state is an element that gives the
2690: user the opportunity to further refine the page settings if they
2691: select a single-column page.
2692:
2693: page_size_state is always directly invoked in lonprintout.pm, so there
2694: is no tag interface. You actually pass parameters to the constructor.
2695:
2696: =over 4
2697:
2698: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2699:
2700: =back
2701:
2702: =cut
2703:
2704: use Apache::lonhelper;
2705: use Apache::lonnet;
2706: no strict;
2707: @ISA = ("Apache::lonhelper::element");
2708: use strict;
2709:
2710:
2711:
2712: sub new {
2713: my $self = Apache::lonhelper::element->new();
2714:
2715: shift; # disturbs me (probably prevents subclassing) but works (drops
2716: # package descriptor)... - Jeremy
2717:
2718: $self->{'variable'} = shift;
2719: my $helper = Apache::lonhelper::getHelper();
2720: $helper->declareVar($self->{'variable'});
2721:
2722: # The variable name of the format element, so we can look into
2723: # $helper->{VARS} to figure out whether the columns are one or two
2724: $self->{'formatvar'} = shift;
2725:
2726: # The state to transition to after selection, or after discovering
2727: # the cols are not set to 1
2728: $self->{NEXTSTATE} = shift;
2729: bless($self);
2730: return $self;
2731: }
2732:
2733: sub render {
2734: my $self = shift;
2735: my $helper = Apache::lonhelper::getHelper();
2736: my $result = '';
2737: my $var = $self->{'variable'};
2738:
2739: if (defined $self->{ERROR_MSG}) {
2740: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2741: }
2742:
2743: $result .= <<ELEMENTHTML;
2744:
2745: <p>How should the column be formatted?</p>
2746:
2747: <table cellpadding='3'>
2748: <tr>
2749: <td align='right'><b>Width</b>:</td>
2750: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2751: <td align='left'>
2752: <select name='$var.widthunit'>
2753: <option>cm</option><option>in</option>
2754: </select>
2755: </td>
2756: </tr>
2757: <tr>
2758: <td align='right'><b>Height</b>:</td>
2759: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2760: <td align='left'>
2761: <select name='$var.heightunit'>
2762: <option>cm</option><option>in</option>
2763: </select>
2764: </td>
2765: </tr>
2766: <tr>
2767: <td align='right'><b>Left margin</b>:</td>
2768: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2769: <td align='left'>
2770: <select name='$var.lmarginunit'>
2771: <option>cm</option><option>in</option>
2772: </select>
2773: </td>
2774: </tr>
2775: </table>
2776:
2777: <p>Hint: Some instructors like to leave scratch space for the student by
2778: making the width much smaller than the width of the page.</p>
2779:
2780: ELEMENTHTML
2781:
2782: return $result;
2783: }
2784:
2785: # If the user didn't select 1 column, skip this state.
2786: sub preprocess {
2787: my $self = shift;
2788: my $helper = Apache::lonhelper::getHelper();
2789:
2790: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2791: if (substr($format, 2, 1) ne '1') {
2792: $helper->changeState($self->{NEXTSTATE});
2793: }
2794:
2795: return 1;
2796: }
2797:
2798: sub postprocess {
2799: my $self = shift;
2800:
2801: my $var = $self->{'variable'};
2802: my $helper = Apache::lonhelper->getHelper();
2803: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
2804: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
2805: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
2806: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
2807: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
2808: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
2809:
2810: my $error = '';
2811:
2812: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2813: # by an optional period, followed by digits, ending the string
2814:
2815: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2816: $error .= "Invalid width; please type only a number.<br />\n";
2817: }
2818: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2819: $error .= "Invalid height; please type only a number.<br />\n";
2820: }
2821: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2822: $error .= "Invalid left margin; please type only a number.<br />\n";
2823: }
2824:
2825: if (!$error) {
2826: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2827: return 1;
2828: } else {
2829: $self->{ERROR_MSG} = $error;
2830: return 0;
2831: }
2832: }
2833:
2834:
2835:
2836: __END__
2837:
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