1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.403 2005/12/06 16:23:26 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: <p>
1009: Please stand by while processing your print request, this may take some time ...
1010: </p>
1011: ENDPART
1012:
1013:
1014:
1015: # fetch the pagebreaks and store them in the course environment
1016: # The page breaks will be pulled into the hash %page_breaks which is
1017: # indexed by symb and contains 1's for each break.
1018:
1019: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
1020: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
1021: &Apache::loncommon::store_course_settings('print',
1022: {'pagebreaks' => 'scalar',
1023: 'lastprinttype' => 'scalar'});
1024:
1025: my %page_breaks = &get_page_breaks($helper);
1026:
1027: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
1028: my ($result,$selectionmade) = ('','');
1029: my $number_of_columns = 1; #used only for pages to determine the width of the cell
1030: my @temporary_array=split /\|/,$format_from_helper;
1031: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
1032: if ($laystyle eq 'L') {
1033: $laystyle='album';
1034: } else {
1035: $laystyle='book';
1036: }
1037: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1038: my $assignment = $env{'form.assignment'};
1039: my $LaTeXwidth=&recalcto_mm($textwidth);
1040: my @print_array=();
1041: my @student_names=();
1042:
1043: # Common settings for the %form has:
1044: # In some cases these settings get overriddent by specific cases, but the
1045: # settings are common enough to make it worthwhile factoring them out
1046: # here.
1047: #
1048: my %form;
1049: $form{'grade_target'} = 'tex';
1050: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1051:
1052: # If form.showallfoils is set, then request all foils be shown:
1053: # privilege will be enforced both by not allowing the
1054: # check box selecting this option to be presnt unless it's ok,
1055: # and by lonresponse's priv. check.
1056: # The if is here because lonresponse.pm only cares that
1057: # showallfoils is defined, not what the value is.
1058:
1059: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1060: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1061: }
1062:
1063: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1064: #-- single document - problem, page, html, xml, ...
1065: my ($currentURL,$cleanURL);
1066:
1067: if ($helper->{'VARS'}->{'construction'} ne '1') {
1068: #prints published resource
1069: $currentURL=$helper->{'VARS'}->{'postdata'};
1070: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1071: } else {
1072: #prints resource from the construction space
1073: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1074: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1075: $cleanURL=$currentURL;
1076: }
1077: $selectionmade = 1;
1078: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1079: my $rndseed=time;
1080: my $texversion='';
1081: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1082: my %moreenv;
1083: $moreenv{'request.filename'}=$cleanURL;
1084: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1085: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1086: my $dom = $env{'user.domain'};
1087: my $user = $env{'user.name'};
1088: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1089: }
1090: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1091: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1092: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1093: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1094: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1095: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1096: if ($helper->{'VARS'}->{'curseed'}) {
1097: $rndseed=$helper->{'VARS'}->{'curseed'};
1098: }
1099: $form{'rndseed'}=$rndseed;
1100: &Apache::lonnet::appenv(%moreenv);
1101: &Apache::lonnet::delenv('form.counter');
1102: &Apache::lonxml::init_counter();
1103: &Apache::lonxml::store_counter();
1104: $resources_printed .= $currentURL.':';
1105: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1106: &Apache::lonnet::delenv('form.counter');
1107: &Apache::lonnet::delenv('request.filename');
1108: }
1109: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1110: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1111: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1112: $form{'grade_target'}='answer';
1113: $form{'answer_output_mode'}='tex';
1114: $form{'rndseed'}=$rndseed;
1115: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
1116: $form{'problemtype'}='exam';
1117: }
1118: $resources_printed .= $currentURL.':';
1119: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1120: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1121: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1122: } else {
1123: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1124: if ($helper->{'VARS'}->{'construction'} ne '1') {
1125: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1126: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1127: } else {
1128: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1129: my $URLpath=$cleanURL;
1130: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1131: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1132: }
1133: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1134: }
1135: }
1136: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1137: $texversion=&IndexCreation($texversion,$currentURL);
1138: }
1139: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1140: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1141:
1142: }
1143: $result .= $texversion;
1144: if ($currentURL=~m/\.page\s*$/) {
1145: ($result,$number_of_columns) = &page_cleanup($result);
1146: }
1147: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1148: #printing content of sequence from the construction space
1149: my $flag_latex_header_remove = 'NO';
1150: my $rndseed=time;
1151: if ($helper->{'VARS'}->{'curseed'}) {
1152: $rndseed=$helper->{'VARS'}->{'curseed'};
1153: }
1154: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1155: my $errtext=&Apache::lonratedt::mapread($currentURL);
1156: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
1157: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
1158: my $urlp=$2;
1159: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1160: my $texversion='';
1161: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1162: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1163: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1164: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1165: $form{'rndseed'}=$rndseed;
1166: $resources_printed .=$urlp.':';
1167: $texversion=&Apache::lonnet::ssi($urlp,%form);
1168: }
1169: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1170: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1171: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1172: # Don't permanently modify %$form...
1173: my %answerform = %form;
1174: $answerform{'grade_target'}='answer';
1175: $answerform{'answer_output_mode'}='tex';
1176: $answerform{'rndseed'}=$rndseed;
1177: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1178: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1179: $resources_printed .= $urlp.':';
1180: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1181: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1182: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1183: } else {
1184: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1185: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1186: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
1187: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1188: }
1189: }
1190: if ($flag_latex_header_remove ne 'NO') {
1191: $texversion = &latex_header_footer_remove($texversion);
1192: } else {
1193: $texversion =~ s/\\end{document}//;
1194: }
1195: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1196: $texversion=&IndexCreation($texversion,$urlp);
1197: }
1198: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1199: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1200: }
1201: $result.=$texversion;
1202: $flag_latex_header_remove = 'YES';
1203: } elsif ($urlp=~/\.(sequence|page)$/) {
1204: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1205: }
1206: }
1207: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1208: $result .= '\end{document}';
1209: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1210: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1211: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1212: $resources_printed .= $currentURL.':';
1213: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1214: $result .= $texversion;
1215: } else {
1216: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1217: }
1218: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1219: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1220: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1221: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1222: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1223: #-- produce an output string
1224: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1225: $selectionmade = 2;
1226: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1227: $selectionmade = 3;
1228: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1229: $selectionmade = 4;
1230: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1231: $selectionmade = 4;
1232: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1233: $selectionmade = 7;
1234: }
1235: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1236: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1237: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1238: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1239: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1240: my $flag_latex_header_remove = 'NO';
1241: my $flag_page_in_sequence = 'NO';
1242: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1243: my $prevassignment='';
1244: &Apache::lonnet::delenv('form.counter');
1245: &Apache::lonxml::init_counter();
1246: &Apache::lonxml::store_counter();
1247: for (my $i=0;$i<=$#master_seq;$i++) {
1248:
1249: # Note due to document structure, not allowed to put \newpage
1250: # prior to the first resource
1251:
1252: if (defined $page_breaks{$master_seq[$i]}) {
1253: if($i != 0) {
1254: $result.="\\newpage\n";
1255: }
1256: }
1257: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1258: $urlp=&Apache::lonnet::clutter($urlp);
1259: $form{'symb'}=$master_seq[$i];
1260: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
1261: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1262: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1263: if ($i==0) {$prevassignment=$assignment;}
1264: my $texversion='';
1265: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1266: $resources_printed .= $urlp.':';
1267: my $pre_counter=$env{'form.counter'};
1268: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1269: if ($urlp=~/\.page$/) {
1270: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1271: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1272: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1273: $flag_page_in_sequence = 'YES';
1274: }
1275: my ($envfile) = ($env{'user.environment'} =~m|/([^/]+)\.id$| );
1276: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
1277: $envfile);
1278: my $current_counter=$env{'form.counter'};
1279: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1280: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1281: # Don't permanently pervert the %form hash
1282: my %answerform = %form;
1283: $answerform{'grade_target'}='answer';
1284: $answerform{'answer_output_mode'}='tex';
1285: $resources_printed .= $urlp.':';
1286: &Apache::lonnet::appenv(('form.counter' => $pre_counter));
1287: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1288: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1289: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1290: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1291: } else {
1292: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1293: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1294: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
1295: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1296: $texversion.='\vskip 1 mm '.$answer;
1297: } else {
1298: $texversion='';
1299: }
1300: }
1301: }
1302: if ($flag_latex_header_remove ne 'NO') {
1303: $texversion = &latex_header_footer_remove($texversion);
1304: } else {
1305: $texversion =~ s/\\end{document}//;
1306: }
1307: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1308: $texversion=&IndexCreation($texversion,$urlp);
1309: }
1310: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1311: my $name = &get_name();
1312: my $courseidinfo = &get_course();
1313: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1314: $prevassignment=$assignment;
1315: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1316: }
1317: $result .= $texversion;
1318: $flag_latex_header_remove = 'YES';
1319: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1320: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1321: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1322: $resources_printed .= $urlp.':';
1323: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1324: if ($flag_latex_header_remove ne 'NO') {
1325: $texversion = &latex_header_footer_remove($texversion);
1326: } else {
1327: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1328: }
1329: $result .= $texversion;
1330: $flag_latex_header_remove = 'YES';
1331: } else {
1332: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1333: if ($flag_latex_header_remove ne 'NO') {
1334: $texversion = &latex_header_footer_remove($texversion);
1335: } else {
1336: $texversion =~ s/\\end{document}//;
1337: }
1338: $result .= $texversion;
1339: $flag_latex_header_remove = 'YES';
1340: }
1341: if (&Apache::loncommon::connection_aborted($r)) { last; }
1342: }
1343: &Apache::lonnet::delenv('form.counter');
1344: if ($flag_page_in_sequence eq 'YES') {
1345: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1346: }
1347: $result .= '\end{document}';
1348: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1349: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1350:
1351:
1352: #-- prints assignments for whole class or for selected students
1353: my $type;
1354: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1355: $selectionmade=5;
1356: $type='problems';
1357: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1358: $selectionmade=8;
1359: $type='resources';
1360: }
1361: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1362: # The normal sort order is by section then by students within the
1363: # section. If the helper var student_sort is 1, then the user has elected
1364: # to override this and output the students by name.
1365: # Each element of the students array is of the form:
1366: # username:domain:section:last, first:status
1367: #
1368: #
1369: if ($helper->{'VARS'}->{'student_sort'} eq 1) {
1370: @students = sort compare_names @students;
1371: }
1372: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1373: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1374: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1375: }
1376: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1377:
1378: #loop over students
1379: my $flag_latex_header_remove = 'NO';
1380: my %moreenv;
1381: $moreenv{'instructor_comments'}='hide';
1382: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1383: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1384: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1385: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1386: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1387: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1388: my $student_counter=-1;
1389: foreach my $person (@students) {
1390:
1391: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1392: if (-e $duefile) {
1393: my $temp_file = Apache::File->new('>>'.$duefile);
1394: print $temp_file "1969\n";
1395: }
1396: $student_counter++;
1397: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1398: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1399: $person,$type,
1400: \%moreenv,\@master_seq,
1401: $flag_latex_header_remove,
1402: $LaTeXwidth);
1403: $resources_printed .= ":";
1404: $print_array[$i].=$output;
1405: $student_names[$i].=$person.':'.$fullname.'_END_';
1406: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1407: $flag_latex_header_remove = 'YES';
1408: if (&Apache::loncommon::connection_aborted($r)) { last; }
1409: }
1410: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1411: $result .= $print_array[0].' \end{document}';
1412: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1413: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1414: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1415: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1416: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1417: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1418: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1419: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1420: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1421:
1422: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1423: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1424: my ($code_type,$code_length)=('letter',6);
1425: foreach my $line (<FH>) {
1426: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1427: if ($name eq $code_option) {
1428: $code_length=$length;
1429: if ($type eq 'number') { $code_type = 'number'; }
1430: }
1431: }
1432: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1433: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1434: my $seed=time+($$<<16)+($$);
1435: my @allcodes;
1436: if ($old_name) {
1437: my %result=&Apache::lonnet::get('CODEs',
1438: [$old_name,"type\0$old_name"],
1439: $cdom,$cnum);
1440: $code_type=$result{"type\0$old_name"};
1441: @allcodes=split(',',$result{$old_name});
1442: $num_todo=scalar(@allcodes);
1443: } elsif ($selected_code) { # Selection value is always numeric.
1444: $num_todo = 1;
1445: @allcodes = ($selected_code);
1446: } elsif ($single_code) {
1447:
1448: $num_todo = 1; # Unconditionally one code to do.
1449: # If an alpha code have to convert to numbers so it can be
1450: # converted back to letters again :-)
1451: #
1452: if ($code_type ne 'number') {
1453: $single_code = &letters_to_num($single_code);
1454: }
1455: @allcodes = ($single_code);
1456: } else {
1457: my %allcodes;
1458: srand($seed);
1459: for (my $i=0;$i<$num_todo;$i++) {
1460: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1461: $code_type);
1462: }
1463: if ($code_name) {
1464: &Apache::lonnet::put('CODEs',
1465: {
1466: $code_name =>join(',',keys(%allcodes)),
1467: "type\0$code_name" => $code_type
1468: },
1469: $cdom,$cnum);
1470: }
1471: @allcodes=keys(%allcodes);
1472: }
1473: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1474: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1475: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1476: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1477: $number_per_page=$num_todo;
1478: }
1479: my $flag_latex_header_remove = 'NO';
1480: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1481: my $count=0;
1482: foreach my $code (sort(@allcodes)) {
1483: my $file_num=int($count/$number_per_page);
1484: if ($code_type eq 'number') {
1485: $moreenv{'CODE'}=$code;
1486: } else {
1487: $moreenv{'CODE'}=&num_to_letters($code);
1488: }
1489: my ($output,$fullname, $printed)=
1490: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1491: \@master_seq,$flag_latex_header_remove,
1492: $LaTeXwidth);
1493: $resources_printed .= ":";
1494: $print_array[$file_num].=$output;
1495: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1496: &mt('last assignment').' '.$fullname);
1497: $flag_latex_header_remove = 'YES';
1498: $count++;
1499: if (&Apache::loncommon::connection_aborted($r)) { last; }
1500: }
1501: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1502: $result .= $print_array[0].' \end{document}';
1503: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1504: #prints selected problems from the subdirectory
1505: $selectionmade = 6;
1506: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1507: @list_of_files=sort @list_of_files;
1508: my $flag_latex_header_remove = 'NO';
1509: my $rndseed=time;
1510: if ($helper->{'VARS'}->{'curseed'}) {
1511: $rndseed=$helper->{'VARS'}->{'curseed'};
1512: }
1513: for (my $i=0;$i<=$#list_of_files;$i++) {
1514: my $urlp = $list_of_files[$i];
1515: $urlp=~s|//|/|;
1516: if ($urlp=~/\//) {
1517: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1518: $form{'rndseed'}=$rndseed;
1519: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1520: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1521: } else {
1522: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1523: }
1524: $resources_printed .= $urlp.':';
1525: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1526: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1527: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1528: # Don't permanently pervert %form:
1529: my %answerform = %form;
1530: $answerform{'grade_target'}='answer';
1531: $answerform{'answer_output_mode'}='tex';
1532: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1533: $answerform{'rndseed'}=$rndseed;
1534: $resources_printed .= $urlp.':';
1535: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1536: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1537: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1538: } else {
1539: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1540: if ($helper->{'VARS'}->{'construction'} ne '1') {
1541: $texversion.='\vskip 0 mm \noindent ';
1542: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1543: } else {
1544: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1545: my $URLpath=$urlp;
1546: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1547: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1548: }
1549: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1550: }
1551: }
1552: #this chunck is responsible for printing the path to problem
1553: my $newurlp=$urlp;
1554: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1555: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1556: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1557: if ($flag_latex_header_remove ne 'NO') {
1558: $texversion = &latex_header_footer_remove($texversion);
1559: } else {
1560: $texversion =~ s/\\end{document}//;
1561: }
1562: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1563: $texversion=&IndexCreation($texversion,$urlp);
1564: }
1565: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1566: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1567:
1568: }
1569: $result .= $texversion;
1570: }
1571: $flag_latex_header_remove = 'YES';
1572: }
1573: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1574: $result .= '\end{document}';
1575: }
1576: #-------------------------------------------------------- corrections for the different page formats
1577: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1578: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1579: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1580: #changes page's parameters for the one column output
1581: if ($numberofcolumns == 1) {
1582: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1583: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1584: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1585: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1586: }
1587:
1588: #-- writing .tex file in prtspool
1589: my $temp_file;
1590: my $identifier = &Apache::loncommon::get_cgi_id();
1591: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1592: if (!($#print_array>0)) {
1593: unless ($temp_file = Apache::File->new('>'.$filename)) {
1594: $r->log_error("Couldn't open $filename for output $!");
1595: return SERVER_ERROR;
1596: }
1597: print $temp_file $result;
1598: my $begin=index($result,'\begin{document}',0);
1599: my $inc=substr($result,0,$begin+16);
1600: } else {
1601: my $begin=index($result,'\begin{document}',0);
1602: my $inc=substr($result,0,$begin+16);
1603: for (my $i=0;$i<=$#print_array;$i++) {
1604: if ($i==0) {
1605: $print_array[$i]=$result;
1606: } else {
1607: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1608: substr($print_array[$i],0,$anobegin)='';
1609: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1610: }
1611: my $temp_file;
1612: my $newfilename=$filename;
1613: my $num=$i+1;
1614: $newfilename =~s/\.tex$//;
1615: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1616: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1617: $r->log_error("Couldn't open $newfilename for output $!");
1618: return SERVER_ERROR;
1619: }
1620: print $temp_file $print_array[$i];
1621: }
1622: }
1623: my $student_names='';
1624: if ($#print_array>0) {
1625: for (my $i=0;$i<=$#print_array;$i++) {
1626: $student_names.=$student_names[$i].'_ENDPERSON_';
1627: }
1628: } else {
1629: if ($#student_names>-1) {
1630: $student_names=$student_names[0].'_ENDPERSON_';
1631: } else {
1632: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1633: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1634: $env{'request.course.sec'},$fullname).
1635: '_ENDPERSON_'.'_END_';
1636: }
1637: }
1638:
1639: my $URLback=''; #link to original document
1640: if ($helper->{'VARS'}->{'construction'} ne '1') {
1641: #prints published resource
1642: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1643: } else {
1644: #prints resource from the construction space
1645: $URLback='/'.$helper->{'VARS'}->{'filename'};
1646: if ($URLback=~/([^?]+)/) {
1647: $URLback=$1;
1648: $URLback=~s|^/~|/priv/|;
1649: }
1650: }
1651: # logic for now is too complex to trace if this has been defined
1652: # yet.
1653: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1654: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1655: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1656: 'cgi.'.$identifier.'.layout' => $laystyle,
1657: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1658: 'cgi.'.$identifier.'.paper' => $papersize,
1659: 'cgi.'.$identifier.'.selection' => $selectionmade,
1660: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1661: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1662: 'cgi.'.$identifier.'.role' => $perm{'pav'},
1663: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1664: 'cgi.'.$identifier.'.studentnames' => $student_names,
1665: 'cgi.'.$identifier.'.backref' => $URLback,);
1666: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1667: "cgi.$identifier.domain" => $env{'user.domain'},
1668: "cgi.$identifier.courseid" => $cnum,
1669: "cgi.$identifier.coursedom" => $cdom,
1670: "cgi.$identifier.resources" => $resources_printed);
1671:
1672: $r->print(<<FINALEND);
1673: <br />
1674: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1675: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1676: </body>
1677: </html>
1678: FINALEND
1679: }
1680:
1681:
1682: sub get_CODE {
1683: my ($all_codes,$num,$seed,$size,$type)=@_;
1684: my $max='1'.'0'x$size;
1685: my $newcode;
1686: while(1) {
1687: $newcode=sprintf("%0".$size."d",int(rand($max)));
1688: if (!exists($$all_codes{$newcode})) {
1689: $$all_codes{$newcode}=1;
1690: if ($type eq 'number' ) {
1691: return $newcode;
1692: } else {
1693: return &num_to_letters($newcode);
1694: }
1695: }
1696: }
1697: }
1698:
1699: sub print_resources {
1700: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1701: $LaTeXwidth)=@_;
1702: my $current_output = '';
1703: my $printed = '';
1704: my ($username,$userdomain,$usersection) = split /:/,$person;
1705: my $fullname = &get_name($username,$userdomain);
1706: my $namepostfix;
1707: if ($person =~ 'anon') {
1708: $namepostfix="\\\\Name: ";
1709: $fullname = "CODE - ".$moreenv->{'CODE'};
1710: }
1711: my $i = 0;
1712: #goes through all resources, checks if they are available for
1713: #current student, and produces output
1714: &Apache::lonnet::delenv('form.counter');
1715: &Apache::lonxml::init_counter();
1716: &Apache::lonxml::store_counter();
1717: my %page_breaks = &get_page_breaks($helper);
1718:
1719: foreach my $curresline (@{$master_seq}) {
1720: if (defined $page_breaks{$curresline}) {
1721: if($i != 0) {
1722: $current_output.= "\\newpage\n";
1723: }
1724: }
1725: $i++;
1726: if ( !($type eq 'problems' &&
1727: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1728: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1729: if (&Apache::lonnet::allowed('bre',$res_url)) {
1730: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1731: $printed .= $curresline.':';
1732: my $pre_counter=$env{'form.counter'};
1733: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1734: my ($envfile) =
1735: ( $env{'user.environment'} =~ m|/([^/]+)\.id$| );
1736: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
1737: $envfile);
1738: my $current_counter=$env{'form.counter'};
1739: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1740: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1741: # Use a copy of the hash so we don't pervert it on future loop passes.
1742: my %answerenv = %{$moreenv};
1743: $answerenv{'answer_output_mode'}='tex';
1744: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1745: &Apache::lonnet::appenv(('form.counter' => $pre_counter));
1746: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1747: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1748: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1749: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1750: } else {
1751: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1752: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1753: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1754: $rendered.='\vskip 1 mm '.$ansrendered;
1755: }
1756: }
1757: if ($remove_latex_header eq 'YES') {
1758: $rendered = &latex_header_footer_remove($rendered);
1759: } else {
1760: $rendered =~ s/\\end{document}//;
1761: }
1762: $current_output .= $rendered;
1763: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1764: $printed .= $curresline.':';
1765: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1766: my ($envfile) =
1767: ( $env{'user.environment'} = ~m|/([^/]+)\.id$| );
1768: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
1769: $envfile);
1770: my $current_counter=$env{'form.counter'};
1771: if ($remove_latex_header eq 'YES') {
1772: $rendered = &latex_header_footer_remove($rendered);
1773: } else {
1774: $rendered =~ s/\\end{document}//;
1775: }
1776: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1777: } else {
1778: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1779: if ($remove_latex_header ne 'NO') {
1780: $rendered = &latex_header_footer_remove($rendered);
1781: } else {
1782: $rendered =~ s/\\end{document}//;
1783: }
1784: $current_output .= $rendered;
1785: }
1786: }
1787: $remove_latex_header = 'YES';
1788: }
1789: if (&Apache::loncommon::connection_aborted($r)) { last; }
1790: }
1791: my $courseidinfo = &get_course();
1792: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1793: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1794: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1795: if ($current_output=~/\\documentclass/) {
1796: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1797: } else {
1798: my $blankpages = '';
1799: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1800: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1801: }
1802: return ($current_output,$fullname, $printed);
1803:
1804: }
1805:
1806: sub handler {
1807:
1808: my $r = shift;
1809:
1810: &init_perm();
1811:
1812: # my $loaderror=&Apache::lonnet::overloaderror($r);
1813: # if ($loaderror) { return $loaderror; }
1814: # $loaderror=
1815: # &Apache::lonnet::overloaderror($r,
1816: # $env{'course.'.$env{'request.course.id'}.'.home'});
1817: # if ($loaderror) { return $loaderror; }
1818:
1819: my $helper = printHelper($r);
1820: if (!ref($helper)) {
1821: return $helper;
1822: }
1823:
1824: # my $key;
1825: # foreach $key (keys %{$helper->{'VARS'}}) {
1826: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1827: # }
1828: # foreach $key (keys %env) {
1829: # $r->print(' '.$key.'->'.$env{$key}.'<-<br />');
1830: # }
1831: # return OK;
1832:
1833: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1834:
1835: # my $key;
1836: # foreach $key (keys %parmhash) {
1837: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1838: # }
1839: #
1840:
1841:
1842: # If a figure conversion queue file exists for this user.domain
1843: # we delete it since it can only be bad (if it were good, printout.pl
1844: # would have deleted it the last time around.
1845:
1846: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1847: if(-e $conversion_queuefile) {
1848: unlink $conversion_queuefile;
1849: }
1850: &output_data($r,$helper,\%parmhash);
1851: return OK;
1852: }
1853:
1854: use Apache::lonhelper;
1855:
1856: sub addMessage {
1857: my $text = shift;
1858: my $paramHash = Apache::lonhelper::getParamHash();
1859: $paramHash->{MESSAGE_TEXT} = $text;
1860: Apache::lonhelper::message->new();
1861: }
1862:
1863: use Data::Dumper;
1864:
1865: sub init_perm {
1866: undef(%perm);
1867: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1868: if (!$perm{'pav'}) {
1869: $perm{'pav'}=&Apache::lonnet::allowed('pav',
1870: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1871: }
1872: $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
1873: if (!$perm{'pfo'}) {
1874: $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
1875: $env{'request.course.id'}.'/'.$env{'request.course.sec'});
1876: }
1877: }
1878:
1879: sub printHelper {
1880: my $r = shift;
1881:
1882: if ($r->header_only) {
1883: if ($env{'browser.mathml'}) {
1884: &Apache::loncommon::content_type($r,'text/xml');
1885: } else {
1886: &Apache::loncommon::content_type($r,'text/html');
1887: }
1888: $r->send_http_header;
1889: return OK;
1890: }
1891:
1892: # Send header, nocache
1893: if ($env{'browser.mathml'}) {
1894: &Apache::loncommon::content_type($r,'text/xml');
1895: } else {
1896: &Apache::loncommon::content_type($r,'text/html');
1897: }
1898: &Apache::loncommon::no_cache($r);
1899: $r->send_http_header;
1900: $r->rflush();
1901:
1902: # Unfortunately, this helper is so complicated we have to
1903: # write it by hand
1904:
1905: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1906:
1907: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1908: $helper->declareVar('symb');
1909: $helper->declareVar('postdata');
1910: $helper->declareVar('curseed');
1911: $helper->declareVar('probstatus');
1912: $helper->declareVar('filename');
1913: $helper->declareVar('construction');
1914: $helper->declareVar('assignment');
1915: $helper->declareVar('style_file');
1916: $helper->declareVar('student_sort');
1917: $helper->declareVar('FINISHPAGE');
1918: $helper->declareVar('PRINT_TYPE');
1919: $helper->declareVar("showallfoils");
1920:
1921: # The page breaks can get loaded initially from the course environment:
1922: # But we only do this in the initial state so that they are allowed to change.
1923: #
1924:
1925: $helper->{VARS}->{FINISHPAGE} = '';
1926:
1927: &Apache::loncommon::restore_course_settings('print',
1928: {'pagebreaks' => 'scalar',
1929: 'lastprinttype' => 'scalar'});
1930:
1931:
1932: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
1933: if (!defined ($env{"form.CURRENT_STATE"})) {
1934:
1935: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1936: } else {
1937: my $state = $env{"form.CURRENT_STATE"};
1938: if ($state eq "START") {
1939: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1940: }
1941: }
1942:
1943: }
1944:
1945:
1946: # This will persistently load in the data we want from the
1947: # very first screen.
1948: # Detect whether we're coming from construction space
1949: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1950: $helper->{VARS}->{'filename'} = "~$1/$2";
1951: $helper->{VARS}->{'construction'} = 1;
1952: } else {
1953: if ($env{'form.postdata'}) {
1954: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1955: }
1956: if ($env{'form.symb'}) {
1957: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1958: }
1959: if ($env{'form.url'}) {
1960: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1961: }
1962: }
1963:
1964: if ($env{'form.symb'}) {
1965: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1966: }
1967: if ($env{'form.url'}) {
1968: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1969:
1970: }
1971: $helper->{VARS}->{'symb'}=
1972: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1973: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1974: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1975:
1976:
1977: # Extract map
1978: my $symb = $helper->{VARS}->{'symb'};
1979: my ($map, $id, $url);
1980: my $subdir;
1981:
1982: # Get the resource name from construction space
1983: if ($helper->{VARS}->{'construction'}) {
1984: $resourceTitle = substr($helper->{VARS}->{'filename'},
1985: rindex($helper->{VARS}->{'filename'}, '/')+1);
1986: $subdir = substr($helper->{VARS}->{'filename'},
1987: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1988: } else {
1989: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1990: $helper->{VARS}->{'postdata'} =
1991: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1992:
1993: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1994: my $postdata = $helper->{VARS}->{'postdata'};
1995: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1996: }
1997: $subdir = &Apache::lonnet::filelocation("", $url);
1998: }
1999: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
2000: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
2001: }
2002: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
2003: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
2004: }
2005:
2006: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
2007:
2008: Apache::lonhelper::registerHelperTags();
2009:
2010: # "Delete everything after the last slash."
2011: $subdir =~ s|/[^/]+$||;
2012: if (not $helper->{VARS}->{'construction'}) {
2013: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
2014: }
2015: # "Remove all duplicate slashes."
2016: $subdir =~ s|/+|/|g;
2017:
2018: # What can be printed is a very dynamic decision based on
2019: # lots of factors. So we need to dynamically build this list.
2020: # To prevent security leaks, states are only added to the wizard
2021: # if they can be reached, which ensures manipulating the form input
2022: # won't allow anyone to reach states they shouldn't have permission
2023: # to reach.
2024:
2025: # printChoices is tracking the kind of printing the user can
2026: # do, and will be used in a choices construction later.
2027: # In the meantime we will be adding states and elements to
2028: # the helper by hand.
2029: my $printChoices = [];
2030: my $paramHash;
2031:
2032: if ($resourceTitle) {
2033: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
2034: }
2035:
2036: # Useful filter strings
2037: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
2038: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
2039: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
2040: my $isNotMap = '!$res->is_sequence()';
2041: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
2042: my $isMap = '$res->is_map()';
2043: my $symbFilter = '$res->shown_symb()';
2044: my $urlValue = '$res->link()';
2045:
2046: $helper->declareVar('SEQUENCE');
2047:
2048: # Useful for debugging: Dump the help vars
2049: # $r->print(Dumper($helper->{VARS}));
2050: # $r->print($map);
2051:
2052: # If we're in a sequence...
2053: if (($helper->{'VARS'}->{'construction'} ne '1') &&
2054:
2055: $helper->{VARS}->{'postdata'} &&
2056: $helper->{VARS}->{'assignment'}) {
2057: # Allow problems from sequence
2058: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
2059: # Allow all resources from sequence
2060: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
2061:
2062: my $helperFragment = <<HELPERFRAGMENT;
2063: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
2064: <message>(mark them then click "next" button) <br /></message>
2065: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2066: closeallpages="1">
2067: <nextstate>PAGESIZE</nextstate>
2068: <filterfunc>return $isProblem;</filterfunc>
2069: <mapurl>$map</mapurl>
2070: <valuefunc>return $symbFilter;</valuefunc>
2071: <option text='Newpage' variable='FINISHPAGE' />
2072: </resource>
2073: </state>
2074:
2075: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2076: <message>(mark them then click "next" button) <br /></message>
2077: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2078: closeallpages="1">
2079: <nextstate>PAGESIZE</nextstate>
2080: <filterfunc>return $isNotMap;</filterfunc>
2081: <mapurl>$map</mapurl>
2082: <valuefunc>return $symbFilter;</valuefunc>
2083: <option text='Newpage' variable='FINISHPAGE' />
2084: </resource>
2085: </state>
2086: HELPERFRAGMENT
2087:
2088: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2089: }
2090:
2091: # If the user has pfo (print for otheres) allow them to print all
2092: # problems and resources in the entier course, optionally for selected students
2093: if ($perm{'pfo'} &&
2094: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2095:
2096: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2097: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2098: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2099: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2100: <message>(mark them then click "next" button) <br /></message>
2101: <resource variable="RESOURCES" toponly='0' multichoice="1"
2102: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2103: <nextstate>PAGESIZE</nextstate>
2104: <filterfunc>return $isProblemOrMap;</filterfunc>
2105: <choicefunc>return $isNotMap;</choicefunc>
2106: <valuefunc>return $symbFilter;</valuefunc>
2107: <option text='Newpage' variable='FINISHPAGE' />
2108: </resource>
2109: </state>
2110: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2111: <message>(Mark them then click "next" button) <br /> </message>
2112: <resource variable="RESOURCES" toponly='0' multichoice='1'
2113: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2114: <nextstate>PAGESIZE</nextstate>
2115: <filterfunc>return $isNotMap; </filterfunc>
2116: <valuefunc>return $symbFilter;</valuefunc>
2117: <option text='NewPage' variable='FINISHPAGE' />
2118: </resource>
2119: </state>
2120: ALL_PROBLEMS
2121:
2122: if ($helper->{VARS}->{'assignment'}) {
2123: 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'];
2124: 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'];
2125: }
2126: my $resource_selector=<<RESOURCE_SELECTOR;
2127: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2128: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2129: closeallpages="1">
2130: <filterfunc>return $isProblem;</filterfunc>
2131: <mapurl>$map</mapurl>
2132: <valuefunc>return $symbFilter;</valuefunc>
2133: <option text='New Page' variable='FINISHPAGE' />
2134: </resource>
2135: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2136: <choices variable="EMPTY_PAGES">
2137: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2138: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2139: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2140: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2141: </choices>
2142: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2143: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2144: RESOURCE_SELECTOR
2145:
2146: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2147: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2148: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
2149: <message><b>Select sort order</b> </message>
2150: <choices variable='student_sort'>
2151: <choice computer='0'>Sort by section then student</choice>
2152: <choice computer='1'>Sort by students across sections.</choice>
2153: </choices>
2154: $resource_selector
2155: </state>
2156: CHOOSE_STUDENTS
2157:
2158: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2159: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2160: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2161: my $namechoice='<choice></choice>';
2162: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2163: if ($name =~ /^error: 2 /) { next; }
2164: if ($name =~ /^type\0/) { next; }
2165: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2166: }
2167:
2168:
2169: my %all_codes = &Apache::lonnet::get('CODEs',
2170: \@names, $cdom,$cnum);
2171: my %code_values;
2172: my @all_code_array;
2173: foreach my $key (keys %all_codes) {
2174: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2175: foreach my $key (keys %code_values) {
2176: push (@all_code_array, "$key");
2177: }
2178: }
2179:
2180: my $code_selection = "<choice></choice>\n";
2181: foreach my $code (sort {uc($a) cmp uc($b)} @all_code_array) {
2182: my $choice = $code;
2183: if ($code =~ /^[A-Z]+$/) { # Alpha code
2184: $choice = &letters_to_num($code);
2185: }
2186: $code_selection .= ' <choice computer="'.$choice.'">'.$code."</choice>\n";
2187: }
2188: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2189: my $codechoice='';
2190: foreach my $line (<FH>) {
2191: my ($name,$description,$code_type,$code_length)=
2192: (split(/:/,$line))[0,1,2,4];
2193: if ($code_length > 0 &&
2194: $code_type =~/^(letter|number|-1)/) {
2195: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2196: }
2197: }
2198: if ($codechoice eq '') {
2199: $codechoice='<choice computer="default">Default</choice>';
2200: }
2201: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2202: <state name="CHOOSE_ANON1" title="Select Students and Resources">
2203: <nextstate>PAGESIZE</nextstate>
2204: <message><hr width='33%' /></message>
2205: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2206: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2207: <validator>
2208: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2209: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2210: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2211: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2212: return "You need to specify the number of assignments to print";
2213: }
2214: return undef;
2215: </validator>
2216: </string>
2217: <message></td></tr><tr><td></message>
2218: <message><b>Value of CODE to print?</b></td><td></message>
2219: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2220: <validator>
2221: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2222: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2223: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2224: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2225: \$helper->{'VARS'}{'CODE_OPTION'});
2226: } else {
2227: return undef; # Other forces control us.
2228: }
2229: </validator>
2230: </string>
2231: <message></td></tr><tr><td></message>
2232: <message><b>Choose single code from list</b></message>
2233: <message></td><td></message>
2234: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2235: $code_selection
2236: </dropdown>
2237: <message></td></tr><tr><td></message>
2238: <message><b>Names to store the CODEs under for later:</b></message>
2239: <message></td><td></message>
2240: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2241: <message></td></tr><tr><td></message>
2242: <message><b>Bubble sheet type:</b></message>
2243: <message></td><td></message>
2244: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2245: $codechoice
2246: </dropdown>
2247: <message></td></tr></table></message>
2248: <message><hr width='33%' /></message>
2249: <message><b>Reprint a set of saved CODEs:</b></message>
2250: <dropdown variable="REUSE_OLD_CODES">
2251: $namechoice
2252: </dropdown>
2253: <message><hr width='33%' /></message>
2254: $resource_selector
2255: </state>
2256: CHOOSE_ANON1
2257:
2258:
2259: if ($helper->{VARS}->{'assignment'}) {
2260: 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'];
2261: 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'];
2262: }
2263:
2264:
2265: $resource_selector=<<RESOURCE_SELECTOR;
2266: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2267: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2268: closeallpages="1">
2269: <filterfunc>return $isNotMap;</filterfunc>
2270: <mapurl>$map</mapurl>
2271: <valuefunc>return $symbFilter;</valuefunc>
2272: <option text='Newpage' variable='FINISHPAGE' />
2273: </resource>
2274: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2275: <choices variable="EMPTY_PAGES">
2276: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2277: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2278: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2279: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2280: </choices>
2281: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2282: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2283: RESOURCE_SELECTOR
2284:
2285: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2286: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2287: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
2288: <choices variable='student_sort'>
2289: <choice computer='0'>Sort by section then student</choice>
2290: <choice computer='1'>Sort by students across sections.</choice>
2291: </choices>
2292:
2293: $resource_selector
2294: </state>
2295: CHOOSE_STUDENTS1
2296:
2297: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2298: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2299: <nextstate>PAGESIZE</nextstate>
2300: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2301: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2302: <validator>
2303: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2304: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2305: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2306: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2307: return "You need to specify the number of assignments to print";
2308: }
2309: return undef;
2310: </validator>
2311: </string>
2312: <message></td></tr><tr><td></message>
2313: <message><b>Value of CODE to print?</b></td><td></message>
2314: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2315: <validator>
2316: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2317: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2318: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2319: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2320: \$helper->{'VARS'}{'CODE_OPTION'});
2321: } else {
2322: return undef; # Other forces control us.
2323: }
2324: </validator>
2325: </string>
2326: <message></td></tr><tr><td></message>
2327: <message><b>Choose single code from list</b></message>
2328: <message></td><td></message>
2329: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2330: $code_selection
2331: </dropdown>
2332: <message></td></tr><tr><td></message>
2333: <message><b>Names to store the CODEs under for later:</b></message>
2334: <message></td><td></message>
2335: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2336: <message></td></tr><tr><td></message>
2337: <message><b>Bubble sheet type:</b></message>
2338: <message></td><td></message>
2339: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2340: $codechoice
2341: </dropdown>
2342: <message></td></tr></table></message>
2343: <message><hr width='33%' /></message>
2344: <message><b>Reprint a set of saved CODEs:</b></message>
2345: <dropdown variable="REUSE_OLD_CODES">
2346: $namechoice
2347: </dropdown>
2348: <message><hr width='33%' /></message>
2349: $resource_selector
2350: </state>
2351: CHOOSE_ANON2
2352: }
2353:
2354: # FIXME: That RE should come from a library somewhere.
2355: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2356: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2357:
2358: my $f = '$filename';
2359: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2360: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2361: <message>(mark them then click "next" button) <br /></message>
2362: <files variable="FILES" multichoice='1'>
2363: <nextstate>PAGESIZE</nextstate>
2364: <filechoice>return '$subdir';</filechoice>
2365: CHOOSE_FROM_SUBDIR
2366:
2367: # this is broken up because I really want interpolation above,
2368: # and I really DON'T want it below
2369: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2370: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2371: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2372: </filefilter>
2373: </files>
2374: </state>
2375: CHOOSE_FROM_SUBDIR
2376: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2377: }
2378:
2379: # Allow the user to select any sequence in the course, feed it to
2380: # another resource selector for that sequence
2381: if (!$helper->{VARS}->{'construction'}) {
2382: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
2383: 'select_sequences', 'CHOOSE_SEQUENCE'];
2384: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2385: #Escape apostrophes and backslashes for Perl
2386: $escapedSequenceName =~ s/\\/\\\\/g;
2387: $escapedSequenceName =~ s/'/\\'/g;
2388: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2389: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2390: <message>Select the sequence to print resources from:</message>
2391: <resource variable="SEQUENCE">
2392: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2393: <filterfunc>return \$res->is_sequence;</filterfunc>
2394: <valuefunc>return $urlValue;</valuefunc>
2395: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2396: </choicefunc>
2397: <option text='Newpage' variable='FINISHPAGE' />
2398: </resource>
2399: </state>
2400: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2401: <message>(mark desired resources then click "next" button) <br /></message>
2402: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2403: closeallpages="1">
2404: <nextstate>PAGESIZE</nextstate>
2405: <filterfunc>return $isProblem</filterfunc>
2406: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2407: <valuefunc>return $symbFilter;</valuefunc>
2408: <option text='Newpage' variable='FINISHPAGE' />
2409: </resource>
2410: </state>
2411: CHOOSE_FROM_ANY_SEQUENCE
2412: }
2413:
2414: # Generate the first state, to select which resources get printed.
2415: Apache::lonhelper::state->new("START", "Select Printing Options:");
2416: $paramHash = Apache::lonhelper::getParamHash();
2417: $paramHash->{MESSAGE_TEXT} = "";
2418: Apache::lonhelper::message->new();
2419: $paramHash = Apache::lonhelper::getParamHash();
2420: $paramHash->{'variable'} = 'PRINT_TYPE';
2421: $paramHash->{CHOICES} = $printChoices;
2422: Apache::lonhelper::choices->new();
2423:
2424: my $startedTable = 0; # have we started an HTML table yet? (need
2425: # to close it later)
2426:
2427: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2428: ($helper->{VARS}->{'construction'} eq '1')) {
2429: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2430: $paramHash = Apache::lonhelper::getParamHash();
2431: $paramHash->{'variable'} = 'ANSWER_TYPE';
2432: $helper->declareVar('ANSWER_TYPE');
2433: $paramHash->{CHOICES} = [
2434: ['Without Answers', 'yes'],
2435: ['With Answers', 'no'],
2436: ['Only Answers', 'only']
2437: ];
2438: Apache::lonhelper::dropdown->new();
2439: addMessage("</td></tr>");
2440: $startedTable = 1;
2441: }
2442:
2443: if ($perm{'pav'}) {
2444: if (!$startedTable) {
2445: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2446: $startedTable = 1;
2447: } else {
2448: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2449: }
2450: $paramHash = Apache::lonhelper::getParamHash();
2451: $paramHash->{'variable'} = 'LATEX_TYPE';
2452: $helper->declareVar('LATEX_TYPE');
2453: if ($helper->{VARS}->{'construction'} eq '1') {
2454: $paramHash->{CHOICES} = [
2455: ['standard LaTeX mode', 'standard'],
2456: ['LaTeX batchmode', 'batchmode'], ];
2457: } else {
2458: $paramHash->{CHOICES} = [
2459: ['LaTeX batchmode', 'batchmode'],
2460: ['standard LaTeX mode', 'standard'] ];
2461: }
2462: Apache::lonhelper::dropdown->new();
2463:
2464: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2465: $paramHash = Apache::lonhelper::getParamHash();
2466: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2467: $helper->declareVar('TABLE_CONTENTS');
2468: $paramHash->{CHOICES} = [
2469: ['No', 'no'],
2470: ['Yes', 'yes'] ];
2471: Apache::lonhelper::dropdown->new();
2472: addMessage("</td></tr>");
2473:
2474: if (not $helper->{VARS}->{'construction'}) {
2475: addMessage("<tr><td align='right'>Print Index: </td><td>");
2476: $paramHash = Apache::lonhelper::getParamHash();
2477: $paramHash->{'variable'} = 'TABLE_INDEX';
2478: $helper->declareVar('TABLE_INDEX');
2479: $paramHash->{CHOICES} = [
2480: ['No', 'no'],
2481: ['Yes', 'yes'] ];
2482: Apache::lonhelper::dropdown->new();
2483: addMessage("</td></tr>");
2484: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2485: $paramHash = Apache::lonhelper::getParamHash();
2486: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2487: $helper->declareVar('PRINT_DISCUSSIONS');
2488: $paramHash->{CHOICES} = [
2489: ['No', 'no'],
2490: ['Yes', 'yes'] ];
2491: Apache::lonhelper::dropdown->new();
2492: addMessage("</td></tr>");
2493:
2494: addMessage("<tr><td align = 'right'> </td><td>");
2495: $paramHash = Apache::lonhelper::getParamHash();
2496: $paramHash->{'multichoice'} = "true";
2497: $paramHash->{'allowempty'} = "true";
2498: $paramHash->{'variable'} = "showallfoils";
2499: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2500: Apache::lonhelper::choices->new();
2501: addMessage("</td></tr>");
2502: }
2503:
2504: if ($helper->{'VARS'}->{'construction'}) {
2505: my $stylevalue=$env{'construct.style'};
2506: my $xmlfrag .= <<"RNDSEED";
2507: <message><tr><td align='right'>Use random seed: </td><td></message>
2508: <string variable="curseed" size="15" maxlength="15">
2509: <defaultvalue>
2510: return $helper->{VARS}->{'curseed'};
2511: </defaultvalue>
2512: </string>
2513: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2514: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message>
2515: <choices allowempty="1" multichoice="true" variable="showallfoils">
2516: <choice computer="1">Show all foils?</choice>
2517: </choices>
2518: <message></td></tr></message>
2519: RNDSEED
2520: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2521: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2522:
2523: }
2524: }
2525:
2526:
2527:
2528:
2529: if ($startedTable) {
2530: addMessage("</table>");
2531: }
2532:
2533: Apache::lonprintout::page_format_state->new("FORMAT");
2534:
2535: # Generate the PAGESIZE state which will offer the user the margin
2536: # choices if they select one column
2537: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2538: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2539:
2540:
2541: $helper->process();
2542:
2543: # MANUAL BAILOUT CONDITION:
2544: # If we're in the "final" state, bailout and return to handler
2545: if ($helper->{STATE} eq 'FINAL') {
2546: return $helper;
2547: }
2548:
2549: $r->print($helper->display());
2550: if ($helper->{STATE} eq 'START') {
2551: &recently_generated($r);
2552: }
2553: &Apache::lonhelper::unregisterHelperTags();
2554:
2555: return OK;
2556: }
2557:
2558:
2559: 1;
2560:
2561: package Apache::lonprintout::page_format_state;
2562:
2563: =pod
2564:
2565: =head1 Helper element: page_format_state
2566:
2567: See lonhelper.pm documentation for discussion of the helper framework.
2568:
2569: Apache::lonprintout::page_format_state is an element that gives the
2570: user an opportunity to select the page layout they wish to print
2571: with: Number of columns, portrait/landscape, and paper size. If you
2572: want to change the paper size choices, change the @paperSize array
2573: contents in this package.
2574:
2575: page_format_state is always directly invoked in lonprintout.pm, so there
2576: is no tag interface. You actually pass parameters to the constructor.
2577:
2578: =over 4
2579:
2580: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2581:
2582: =back
2583:
2584: =cut
2585:
2586: use Apache::lonhelper;
2587:
2588: no strict;
2589: @ISA = ("Apache::lonhelper::element");
2590: use strict;
2591: use Apache::lonlocal;
2592: use Apache::lonnet;
2593:
2594: my $maxColumns = 2;
2595: # it'd be nice if these all worked
2596: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2597: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2598: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2599: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2600: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2601: "a4 [210x297 mm]");
2602:
2603: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2604: # Paper type
2605:
2606: sub new {
2607: my $self = Apache::lonhelper::element->new();
2608:
2609: shift;
2610:
2611: $self->{'variable'} = shift;
2612: my $helper = Apache::lonhelper::getHelper();
2613: $helper->declareVar($self->{'variable'});
2614: bless($self);
2615: return $self;
2616: }
2617:
2618: sub render {
2619: my $self = shift;
2620: my $helper = Apache::lonhelper::getHelper();
2621: my $result = '';
2622: my $var = $self->{'variable'};
2623: my $PageLayout=&mt('Page layout');
2624: my $NumberOfColumns=&mt('Number of columns');
2625: my $PaperType=&mt('Paper type');
2626: $result .= <<STATEHTML;
2627:
2628: <hr width="33%" />
2629: <table cellpadding="3">
2630: <tr>
2631: <td align="center"><b>$PageLayout</b></td>
2632: <td align="center"><b>$NumberOfColumns</b></td>
2633: <td align="center"><b>$PaperType</b></td>
2634: </tr>
2635: <tr>
2636: <td>
2637: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2638: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2639: </td>
2640: <td align="center">
2641: <select name="${var}.cols">
2642: STATEHTML
2643:
2644: my $i;
2645: for ($i = 1; $i <= $maxColumns; $i++) {
2646: if ($i == 2) {
2647: $result .= "<option value='$i' selected>$i</option>\n";
2648: } else {
2649: $result .= "<option value='$i'>$i</option>\n";
2650: }
2651: }
2652:
2653: $result .= "</select></td><td>\n";
2654: $result .= "<select name='${var}.paper'>\n";
2655:
2656: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2657: my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
2658: $DefaultPaperSize=~s/\s//g;
2659: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2660: $i = 0;
2661: foreach (@paperSize) {
2662: $_=~/(\w+)/;
2663: my $papersize=$1;
2664: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2665: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2666: } else {
2667: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2668: }
2669: $i++;
2670: }
2671: $result .= "</select></td></tr></table>";
2672: return $result;
2673: }
2674:
2675: sub postprocess {
2676: my $self = shift;
2677:
2678: my $var = $self->{'variable'};
2679: my $helper = Apache::lonhelper->getHelper();
2680: $helper->{VARS}->{$var} =
2681: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2682: $env{"form.$var.paper"};
2683: return 1;
2684: }
2685:
2686: 1;
2687:
2688: package Apache::lonprintout::page_size_state;
2689:
2690: =pod
2691:
2692: =head1 Helper element: page_size_state
2693:
2694: See lonhelper.pm documentation for discussion of the helper framework.
2695:
2696: Apache::lonprintout::page_size_state is an element that gives the
2697: user the opportunity to further refine the page settings if they
2698: select a single-column page.
2699:
2700: page_size_state is always directly invoked in lonprintout.pm, so there
2701: is no tag interface. You actually pass parameters to the constructor.
2702:
2703: =over 4
2704:
2705: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2706:
2707: =back
2708:
2709: =cut
2710:
2711: use Apache::lonhelper;
2712: use Apache::lonnet;
2713: no strict;
2714: @ISA = ("Apache::lonhelper::element");
2715: use strict;
2716:
2717:
2718:
2719: sub new {
2720: my $self = Apache::lonhelper::element->new();
2721:
2722: shift; # disturbs me (probably prevents subclassing) but works (drops
2723: # package descriptor)... - Jeremy
2724:
2725: $self->{'variable'} = shift;
2726: my $helper = Apache::lonhelper::getHelper();
2727: $helper->declareVar($self->{'variable'});
2728:
2729: # The variable name of the format element, so we can look into
2730: # $helper->{VARS} to figure out whether the columns are one or two
2731: $self->{'formatvar'} = shift;
2732:
2733: # The state to transition to after selection, or after discovering
2734: # the cols are not set to 1
2735: $self->{NEXTSTATE} = shift;
2736: bless($self);
2737: return $self;
2738: }
2739:
2740: sub render {
2741: my $self = shift;
2742: my $helper = Apache::lonhelper::getHelper();
2743: my $result = '';
2744: my $var = $self->{'variable'};
2745:
2746: if (defined $self->{ERROR_MSG}) {
2747: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2748: }
2749:
2750: $result .= <<ELEMENTHTML;
2751:
2752: <p>How should the column be formatted?</p>
2753:
2754: <table cellpadding='3'>
2755: <tr>
2756: <td align='right'><b>Width</b>:</td>
2757: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2758: <td align='left'>
2759: <select name='$var.widthunit'>
2760: <option>cm</option><option>in</option>
2761: </select>
2762: </td>
2763: </tr>
2764: <tr>
2765: <td align='right'><b>Height</b>:</td>
2766: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2767: <td align='left'>
2768: <select name='$var.heightunit'>
2769: <option>cm</option><option>in</option>
2770: </select>
2771: </td>
2772: </tr>
2773: <tr>
2774: <td align='right'><b>Left margin</b>:</td>
2775: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2776: <td align='left'>
2777: <select name='$var.lmarginunit'>
2778: <option>cm</option><option>in</option>
2779: </select>
2780: </td>
2781: </tr>
2782: </table>
2783:
2784: <p>Hint: Some instructors like to leave scratch space for the student by
2785: making the width much smaller than the width of the page.</p>
2786:
2787: ELEMENTHTML
2788:
2789: return $result;
2790: }
2791:
2792: # If the user didn't select 1 column, skip this state.
2793: sub preprocess {
2794: my $self = shift;
2795: my $helper = Apache::lonhelper::getHelper();
2796:
2797: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2798: if (substr($format, 2, 1) ne '1') {
2799: $helper->changeState($self->{NEXTSTATE});
2800: }
2801:
2802: return 1;
2803: }
2804:
2805: sub postprocess {
2806: my $self = shift;
2807:
2808: my $var = $self->{'variable'};
2809: my $helper = Apache::lonhelper->getHelper();
2810: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
2811: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
2812: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
2813: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
2814: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
2815: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
2816:
2817: my $error = '';
2818:
2819: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2820: # by an optional period, followed by digits, ending the string
2821:
2822: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2823: $error .= "Invalid width; please type only a number.<br />\n";
2824: }
2825: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2826: $error .= "Invalid height; please type only a number.<br />\n";
2827: }
2828: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2829: $error .= "Invalid left margin; please type only a number.<br />\n";
2830: }
2831:
2832: if (!$error) {
2833: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2834: return 1;
2835: } else {
2836: $self->{ERROR_MSG} = $error;
2837: return 0;
2838: }
2839: }
2840:
2841:
2842:
2843: __END__
2844:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonprintout.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface