1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.389 2005/08/29 10:06:52 foxr 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 $resources_printed = '';
46:
47: #
48: # Convert a numeric code to letters
49: #
50: sub num_to_letters {
51: my ($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/&\#952;/\\ensuremath\{\\theta\}/g;
437: #Greek Alphabet
438: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
439: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
440: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
441: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
442: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
443: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
444: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
445: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
446: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
447: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
448: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
449: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
450: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
451: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
452: $result =~ s/&(omicron|\#959);/o/g;
453: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
454: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
455: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
456: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
457: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
458: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
459: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
460: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
461: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
462: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
463: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
464: $result =~ s/&(Alpha|\#913);/A/g;
465: $result =~ s/&(Beta|\#914);/B/g;
466: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
467: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
468: $result =~ s/&(Epsilon|\#917);/E/g;
469: $result =~ s/&(Zeta|\#918);/Z/g;
470: $result =~ s/&(Eta|\#919);/H/g;
471: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
472: $result =~ s/&(Iota|\#921);/I/g;
473: $result =~ s/&(Kappa|\#922);/K/g;
474: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
475: $result =~ s/&(Mu|\#924);/M/g;
476: $result =~ s/&(Nu|\#925);/N/g;
477: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
478: $result =~ s/&(Omicron|\#927);/O/g;
479: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
480: $result =~ s/&(Rho|\#929);/P/g;
481: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
482: $result =~ s/&(Tau|\#932);/T/g;
483: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
484: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
485: $result =~ s/&(Chi|\#935);/X/g;
486: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
487: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
488: #Arrows (extended HTML 4.01)
489: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
490: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
491: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
492: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
493: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
494: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
495: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
496: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
497: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
498: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
499: #Mathematical Operators (extended HTML 4.01)
500: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
501: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
502: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
503: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
504: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
505: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
506: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
507: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
508: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
509: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
510: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
511: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
512: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
513: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
514: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
515: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
516: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
517: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
518: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
519: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
520: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
521: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
522: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
523: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
524: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
525: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
526: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
527: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
528: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
529: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
530: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
531: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
532: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
533: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
534: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
535: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
536: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
537: #Geometric Shapes (extended HTML 4.01)
538: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
539: #Miscellaneous Symbols (extended HTML 4.01)
540: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
541: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
542: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
543: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
544: return $result;
545: }
546:
547:
548: #width, height, oddsidemargin, evensidemargin, topmargin
549: my %page_formats=
550: ('letter' => {
551: 'book' => {
552: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
553: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
554: },
555: 'album' => {
556: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'],
557: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
558: },
559: },
560: 'legal' => {
561: 'book' => {
562: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
563: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
564: },
565: 'album' => {
566: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
567: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
568: },
569: },
570: 'tabloid' => {
571: 'book' => {
572: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
573: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
574: },
575: 'album' => {
576: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
577: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
578: },
579: },
580: 'executive' => {
581: 'book' => {
582: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
583: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
584: },
585: 'album' => {
586: '1' => [],
587: '2' => []
588: },
589: },
590: 'a2' => {
591: 'book' => {
592: '1' => [],
593: '2' => []
594: },
595: 'album' => {
596: '1' => [],
597: '2' => []
598: },
599: },
600: 'a3' => {
601: 'book' => {
602: '1' => [],
603: '2' => []
604: },
605: 'album' => {
606: '1' => [],
607: '2' => []
608: },
609: },
610: 'a4' => {
611: 'book' => {
612: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
613: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
614: },
615: 'album' => {
616: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
617: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
618: },
619: },
620: 'a5' => {
621: 'book' => {
622: '1' => [],
623: '2' => []
624: },
625: 'album' => {
626: '1' => [],
627: '2' => []
628: },
629: },
630: 'a6' => {
631: 'book' => {
632: '1' => [],
633: '2' => []
634: },
635: 'album' => {
636: '1' => [],
637: '2' => []
638: },
639: },
640: );
641:
642: sub page_format {
643: #
644: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
645: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
646: # "A2 [420x594 mm]", "A3 [297x420 mm]",
647: # "A4 [210x297 mm]", "A5 [148x210 mm]",
648: # "A6 [105x148 mm]"
649: #
650: my ($papersize,$layout,$numberofcolumns) = @_;
651: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
652: }
653:
654:
655: sub get_name {
656: my ($uname,$udom)=@_;
657: if (!defined($uname)) { $uname=$env{'user.name'}; }
658: if (!defined($udom)) { $udom=$env{'user.domain'}; }
659: my $plainname=&Apache::loncommon::plainname($uname,$udom);
660: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
661: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
662: return $plainname;
663: }
664:
665: sub get_course {
666: my $courseidinfo;
667: if (defined($env{'request.course.id'})) {
668: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
669: }
670: return $courseidinfo;
671: }
672:
673: sub page_format_transformation {
674: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
675: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
676: if ($selectionmade eq '4') {
677: $assignment='Problems from the Whole Course';
678: } else {
679: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
680: }
681: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
682: my $name = &get_name();
683: my $courseidinfo = &get_course();
684: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
685: my $topmargintoinsert = '';
686: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
687: my $fancypagestatement='';
688: if ($numberofcolumns eq '2') {
689: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
690: } else {
691: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
692: }
693: if ($layout eq 'album') {
694: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
695: } elsif ($layout eq 'book') {
696: if ($choice ne 'All class print') {
697: $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/;
698: } else {
699: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
700: }
701: if ($papersize eq 'a4') {
702: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
703: }
704: }
705: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
706: if ($indexlist eq 'yes') {
707: $text=~s/(\\begin{document})/\\makeindex $1/;
708: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
709: }
710: return $text;
711: }
712:
713:
714: sub page_cleanup {
715: my $result = shift;
716:
717: $result =~ m/\\end{document}(\d*)$/;
718: my $number_of_columns = $1;
719: my $insert = '{';
720: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
721: $insert .= '}';
722: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
723: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
724: return $result,$number_of_columns;
725: }
726:
727:
728: sub details_for_menu {
729: my ($helper)=@_;
730: my $postdata=$env{'form.postdata'};
731: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
732: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
733: my $symbolic = &Apache::lonnet::symbread($postdata);
734: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
735: $map=&Apache::lonnet::clutter($map);
736: my $name_of_sequence = &Apache::lonnet::gettitle($map);
737: if ($name_of_sequence =~ /^\s*$/) {
738: $map =~ m|([^/]+)$|;
739: $name_of_sequence = $1;
740: }
741: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
742: if ($name_of_map =~ /^\s*$/) {
743: $env{'request.course.uri'} =~ m|([^/]+)$|;
744: $name_of_map = $1;
745: }
746: return ($name_of_resource,$name_of_sequence,$name_of_map);
747: }
748:
749:
750: sub latex_corrections {
751:
752: my ($number_of_columns,$result,$selectionmade) = @_;
753:
754: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
755: $result =~ s/\$number_of_columns/$number_of_columns/g;
756: if ($selectionmade ne '1') {
757: $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/;
758: } else {
759: $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/;
760: }
761: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
762: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
763: #-- LaTeX corrections
764: my $first_comment = index($result,'<!--',0);
765: while ($first_comment != -1) {
766: my $end_comment = index($result,'-->',$first_comment);
767: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
768: $first_comment = index($result,'<!--',$first_comment);
769: }
770: $result =~ s/^\s+$//gm; #remove empty lines
771: #removes more than one empty space
772: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
773: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
774: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
775: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
776: $result =~ s/\\\\\s+\[/ \[/g;
777: #conversion of html characters to LaTeX equivalents
778: if ($result =~ m/&(\w+|#\d+);/) {
779: $result = &character_chart($result);
780: }
781: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
782: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
783:
784: return $result;
785: }
786:
787:
788: sub index_table {
789: my $currentURL = shift;
790: my $insex_string='';
791: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
792: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
793: return $insex_string;
794: }
795:
796:
797: sub IndexCreation {
798: my ($texversion,$currentURL)=@_;
799: my @key_words=split(/,/,&index_table($currentURL));
800: my $chunk='';
801: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
802: if ($st>0) {
803: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
804: $chunk=substr($texversion,0,$st+1);
805: substr($texversion,0,$st+1)=' ';
806: }
807: foreach my $key_word (@key_words) {
808: if ($key_word=~/\S+/) {
809: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
810: }
811: }
812: if ($st>0) {substr($texversion,0,1)=$chunk;}
813: return $texversion;
814: }
815:
816: sub print_latex_header {
817: my $mode=shift;
818: my $output='\documentclass[letterpaper]{article}';
819: if (($mode eq 'batchmode') || (!$env{'request.role.adv'})) {
820: $output.='\batchmode';
821: }
822: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
823: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
824: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
825: '\usepackage{picins}\usepackage{calc}'."\n".
826: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
827: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
828: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
829: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
830: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
831: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
832: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
833: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
834: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
835: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
836: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
837: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
838: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
839: return $output;
840: }
841:
842: sub path_to_problem {
843: my ($urlp,$colwidth)=@_;
844: my $newurlp = '';
845: $colwidth=~s/\s*mm\s*$//;
846: #characters average about 2 mm in width
847: if (length($urlp)*2 > $colwidth) {
848: my @elements = split '/',$urlp;
849: my $curlength=0;
850: foreach my $element (@elements) {
851: if ($curlength+(length($element)*2) > $colwidth) {
852: $newurlp .= '|\vskip -1 mm \noindent \verb|';
853: $curlength=0;
854: } else {
855: $curlength+=length($element)*2;
856: }
857: $newurlp.='/'.$element;
858: }
859: } else {
860: $newurlp=$urlp;
861: }
862: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
863: }
864:
865: sub recalcto_mm {
866: my $textwidth=shift;
867: my $LaTeXwidth;
868: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
869: $LaTeXwidth = $1*10;
870: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
871: $LaTeXwidth = $1;
872: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
873: $LaTeXwidth = $1*25.4;
874: }
875: $LaTeXwidth.=' mm';
876: return $LaTeXwidth;
877: }
878:
879: sub get_textwidth {
880: my ($helper,$LaTeXwidth)=@_;
881: my $textwidth=$LaTeXwidth;
882: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
883: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
884: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
885: $helper->{'VARS'}->{'pagesize.widthunit'});
886: }
887: return $textwidth;
888: }
889:
890:
891: sub unsupported {
892: my ($currentURL,$mode)=@_;
893: if ($mode ne '') {$mode='\\'.$mode}
894: my $result.= &print_latex_header($mode);
895: if ($currentURL=~/\/ext\//) {
896: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
897: } else {
898: $result.=$currentURL;
899: }
900: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
901: return $result;
902: }
903:
904:
905: #
906: # Retrieve the hash of page breaks.
907: #
908: # Inputs:
909: # helper - reference to helper object.
910: # Outputs
911: # A reference to a page break hash.
912: #
913: #
914:
915: sub get_page_breaks {
916: my ($helper) = @_;
917: my %page_breaks;
918:
919: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
920: $page_breaks{$break} = 1;
921: }
922:
923: return %page_breaks;
924: }
925:
926: sub output_data {
927: my ($r,$helper,$rparmhash) = @_;
928: my %parmhash = %$rparmhash;
929: my $html=&Apache::lonxml::xmlbegin();
930: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
931: $r->print(<<ENDPART);
932: $html
933: <head>
934: <script type="text/javascript" language="Javascript">
935: var editbrowser;
936: function openbrowser(formname,elementname,only,omit) {
937: var url = '/res/?';
938: if (editbrowser == null) {
939: url += 'launch=1&';
940: }
941: url += 'catalogmode=interactive&';
942: url += 'mode=parmset&';
943: url += 'form=' + formname + '&';
944: if (only != null) {
945: url += 'only=' + only + '&';
946: }
947: if (omit != null) {
948: url += 'omit=' + omit + '&';
949: }
950: url += 'element=' + elementname + '';
951: var title = 'Browser';
952: var options = 'scrollbars=1,resizable=1,menubar=0';
953: options += ',width=700,height=600';
954: editbrowser = open(url,title,options,'1');
955: editbrowser.focus();
956: }
957: </script>
958: <title>LON-CAPA output for printing</title>
959: </head>
960: $bodytag
961: Please stand by while processing your print request, this may take some time ...
962: ENDPART
963:
964:
965:
966: # fetch the pagebreaks and store them in the course environment
967: # The page breaks will be pulled into the hash %page_breaks which is
968: # indexed by symb and contains 1's for each break.
969:
970: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
971: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
972: &Apache::loncommon::store_course_settings('print',
973: {'pagebreaks' => 'scalar',
974: 'lastprinttype' => 'scalar'});
975:
976: my %page_breaks = &get_page_breaks($helper);
977:
978: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
979: my ($result,$selectionmade) = ('','');
980: my $number_of_columns = 1; #used only for pages to determine the width of the cell
981: my @temporary_array=split /\|/,$format_from_helper;
982: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
983: if ($laystyle eq 'L') {
984: $laystyle='album';
985: } else {
986: $laystyle='book';
987: }
988: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
989: my $assignment = $env{'form.assignment'};
990: my $LaTeXwidth=&recalcto_mm($textwidth);
991: my @print_array=();
992: my @student_names=();
993:
994: # Common settings for the %form has:
995: # In some cases these settings get overriddent by specific cases, but the
996: # settings are common enough to make it worthwhile factoring them out
997: # here.
998: #
999: my %form;
1000: $form{'grade_target'} = 'tex';
1001: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1002:
1003: # If form.showallfoils is set, then request all foils be shown:
1004: # privilege will be enforced both by not allowing the
1005: # check box selecting this option to be presnt unless it's ok,
1006: # and by lonresponse's priv. check.
1007: # The if is here because lonresponse.pm only cares that
1008: # showallfoils is defined, not what the value is.
1009:
1010: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1011: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1012: }
1013:
1014: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1015: #-- single document - problem, page, html, xml, ...
1016: my ($currentURL,$cleanURL);
1017:
1018: if ($helper->{'VARS'}->{'construction'} ne '1') {
1019: #prints published resource
1020: $currentURL=$helper->{'VARS'}->{'postdata'};
1021: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1022: } else {
1023: #prints resource from the construction space
1024: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1025: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1026: $cleanURL=$currentURL;
1027: }
1028: $selectionmade = 1;
1029: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1030: my $rndseed=time;
1031: my $texversion='';
1032: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1033: my %moreenv;
1034: $moreenv{'request.filename'}=$cleanURL;
1035: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1036: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1037: my $dom = $env{'user.domain'};
1038: my $user = $env{'user.name'};
1039: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1040: }
1041: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1042: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1043: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1044: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1045: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1046: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1047: if ($helper->{'VARS'}->{'curseed'}) {
1048: $rndseed=$helper->{'VARS'}->{'curseed'};
1049: }
1050: $form{'rndseed'}=$rndseed;
1051: &Apache::lonnet::appenv(%moreenv);
1052: &Apache::lonnet::delenv('form.counter');
1053: &Apache::lonxml::init_counter();
1054: $resources_printed .= $currentURL.':';
1055: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1056: &Apache::lonnet::delenv('form.counter');
1057: &Apache::lonnet::delenv('request.filename');
1058: }
1059: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1060: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1061: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1062: $form{'grade_target'}='answer';
1063: $form{'answer_output_mode'}='tex';
1064: $form{'rndseed'}=$rndseed;
1065: $resources_printed .= $currentURL.':';
1066: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1067: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1068: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1069: } else {
1070: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1071: if ($helper->{'VARS'}->{'construction'} ne '1') {
1072: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1073: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1074: } else {
1075: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1076: my $URLpath=$cleanURL;
1077: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1078: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1079: }
1080: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1081: }
1082: }
1083: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1084: $texversion=&IndexCreation($texversion,$currentURL);
1085: }
1086: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1087: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1088:
1089: }
1090: $result .= $texversion;
1091: if ($currentURL=~m/\.page\s*$/) {
1092: ($result,$number_of_columns) = &page_cleanup($result);
1093: }
1094: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1095: #printing content of sequence from the construction space
1096: my $flag_latex_header_remove = 'NO';
1097: my $rndseed=time;
1098: if ($helper->{'VARS'}->{'curseed'}) {
1099: $rndseed=$helper->{'VARS'}->{'curseed'};
1100: }
1101: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1102: my $errtext=&Apache::lonratedt::mapread($currentURL);
1103: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
1104: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
1105: my $urlp=$2;
1106: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1107: my $texversion='';
1108: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1109: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1110: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1111: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1112: $form{'rndseed'}=$rndseed;
1113: $resources_printed .=$urlp.':';
1114: $texversion=&Apache::lonnet::ssi($urlp,%form);
1115: }
1116: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1117: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1118: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1119: # Don't permanently modify %$form...
1120: my %answerform = %form;
1121: $answerform{'grade_target'}='answer';
1122: $answerform{'answer_output_mode'}='tex';
1123: $answerform{'rndseed'}=$rndseed;
1124: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1125: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1126: $resources_printed .= $urlp.':';
1127: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1128: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1129: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1130: } else {
1131: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1132: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1133: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
1134: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1135: }
1136: }
1137: if ($flag_latex_header_remove ne 'NO') {
1138: $texversion = &latex_header_footer_remove($texversion);
1139: } else {
1140: $texversion =~ s/\\end{document}//;
1141: }
1142: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1143: $texversion=&IndexCreation($texversion,$urlp);
1144: }
1145: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1146: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1147: }
1148: $result.=$texversion;
1149: $flag_latex_header_remove = 'YES';
1150: } elsif ($urlp=~/\.(sequence|page)$/) {
1151: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1152: }
1153: }
1154: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1155: $result .= '\end{document}';
1156: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1157: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1158: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1159: $resources_printed .= $currentURL.':';
1160: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1161: $result .= $texversion;
1162: } else {
1163: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1164: }
1165: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1166: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1167: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1168: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1169: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1170: #-- produce an output string
1171: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1172: $selectionmade = 2;
1173: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1174: $selectionmade = 3;
1175: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1176: $selectionmade = 4;
1177: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1178: $selectionmade = 4;
1179: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1180: $selectionmade = 7;
1181: }
1182: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1183: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1184: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1185: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1186: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1187: my $flag_latex_header_remove = 'NO';
1188: my $flag_page_in_sequence = 'NO';
1189: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1190: my $prevassignment='';
1191: &Apache::lonnet::delenv('form.counter');
1192: &Apache::lonxml::init_counter();
1193: for (my $i=0;$i<=$#master_seq;$i++) {
1194:
1195: # Note due to document structure, not allowed to put \newpage
1196: # prior to the first resource
1197:
1198: if (defined $page_breaks{$master_seq[$i]}) {
1199: if($i != 0) {
1200: $result.="\\newpage\n";
1201: }
1202: }
1203: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1204: $urlp=&Apache::lonnet::clutter($urlp);
1205: $form{'symb'}=$master_seq[$i];
1206: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
1207: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1208: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1209: if ($i==0) {$prevassignment=$assignment;}
1210: my $texversion='';
1211: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1212: $resources_printed .= $urlp.':';
1213: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1214: if ($urlp=~/\.page$/) {
1215: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1216: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1217: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1218: $flag_page_in_sequence = 'YES';
1219: }
1220: my $lonidsdir=$r->dir_config('lonIDsDir');
1221: my $envfile=$env{'user.environment'};
1222: $envfile=~/\/([^\/]+)\.id$/;
1223: $envfile=$1;
1224: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1225: my $current_counter=$env{'form.counter'};
1226: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1227: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1228: # Don't permanently pervert the %form hash
1229: my %answerform = %form;
1230: $answerform{'grade_target'}='answer';
1231: $answerform{'answer_output_mode'}='tex';
1232: $resources_printed .= $urlp.':';
1233: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1234: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1235: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1236: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1237: } else {
1238: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1239: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1240: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
1241: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1242: $texversion.='\vskip 1 mm '.$answer;
1243: } else {
1244: $texversion='';
1245: }
1246: }
1247: }
1248: if ($flag_latex_header_remove ne 'NO') {
1249: $texversion = &latex_header_footer_remove($texversion);
1250: } else {
1251: $texversion =~ s/\\end{document}//;
1252: }
1253: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1254: $texversion=&IndexCreation($texversion,$urlp);
1255: }
1256: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1257: my $name = &get_name();
1258: my $courseidinfo = &get_course();
1259: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1260: $prevassignment=$assignment;
1261: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1262: }
1263: $result .= $texversion;
1264: $flag_latex_header_remove = 'YES';
1265: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1266: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1267: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1268: $resources_printed .= $urlp.':';
1269: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1270: if ($flag_latex_header_remove ne 'NO') {
1271: $texversion = &latex_header_footer_remove($texversion);
1272: } else {
1273: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1274: }
1275: $result .= $texversion;
1276: $flag_latex_header_remove = 'YES';
1277: } else {
1278: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1279: if ($flag_latex_header_remove ne 'NO') {
1280: $texversion = &latex_header_footer_remove($texversion);
1281: } else {
1282: $texversion =~ s/\\end{document}//;
1283: }
1284: $result .= $texversion;
1285: $flag_latex_header_remove = 'YES';
1286: }
1287: if (&Apache::loncommon::connection_aborted($r)) { last; }
1288: }
1289: &Apache::lonnet::delenv('form.counter');
1290: if ($flag_page_in_sequence eq 'YES') {
1291: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1292: }
1293: $result .= '\end{document}';
1294: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1295: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1296:
1297:
1298: #-- prints assignments for whole class or for selected students
1299: my $type;
1300: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1301: $selectionmade=5;
1302: $type='problems';
1303: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1304: $selectionmade=8;
1305: $type='resources';
1306: }
1307: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1308: # The normal sort order is by section then by students within the
1309: # section. If the helper var student_sort is 1, then the user has elected
1310: # to override this and output the students by name.
1311: # Each element of the students array is of the form:
1312: # username:domain:section:last, first:status
1313: #
1314: #
1315: if ($helper->{'VARS'}->{'student_sort'} eq 1) {
1316: @students = sort compare_names @students;
1317: }
1318: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1319: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1320: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1321: }
1322: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1323:
1324: #loop over students
1325: my $flag_latex_header_remove = 'NO';
1326: my %moreenv;
1327: $moreenv{'instructor_comments'}='hide';
1328: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1329: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1330: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1331: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1332: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1333: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1334: my $student_counter=-1;
1335: foreach my $person (@students) {
1336:
1337: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1338: if (-e $duefile) {
1339: my $temp_file = Apache::File->new('>>'.$duefile);
1340: print $temp_file "1969\n";
1341: }
1342: $student_counter++;
1343: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1344: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1345: $person,$type,
1346: \%moreenv,\@master_seq,
1347: $flag_latex_header_remove,
1348: $LaTeXwidth);
1349: $resources_printed .= ":";
1350: $print_array[$i].=$output;
1351: $student_names[$i].=$person.':'.$fullname.'_END_';
1352: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1353: $flag_latex_header_remove = 'YES';
1354: if (&Apache::loncommon::connection_aborted($r)) { last; }
1355: }
1356: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1357: $result .= $print_array[0].' \end{document}';
1358: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1359: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1360: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1361: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1362: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1363: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1364: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1365: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1366: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1367:
1368: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1369: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1370: my ($code_type,$code_length)=('letter',6);
1371: foreach my $line (<FH>) {
1372: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1373: if ($name eq $code_option) {
1374: $code_length=$length;
1375: if ($type eq 'number') { $code_type = 'number'; }
1376: }
1377: }
1378: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1379: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1380: my $seed=time+($$<<16)+($$);
1381: my @allcodes;
1382: if ($old_name) {
1383: my %result=&Apache::lonnet::get('CODEs',
1384: [$old_name,"type\0$old_name"],
1385: $cdom,$cnum);
1386: $code_type=$result{"type\0$old_name"};
1387: @allcodes=split(',',$result{$old_name});
1388: $num_todo=scalar(@allcodes);
1389: } elsif ($selected_code) { # Selection value is always numeric.
1390: $num_todo = 1;
1391: @allcodes = ($selected_code);
1392: } elsif ($single_code) {
1393:
1394: $num_todo = 1; # Unconditionally one code to do.
1395: # If an alpha code have to convert to numbers so it can be
1396: # converted back to letters again :-)
1397: #
1398: if ($code_type ne 'number') {
1399: $single_code = &letters_to_num($single_code);
1400: }
1401: @allcodes = ($single_code);
1402: } else {
1403: my %allcodes;
1404: srand($seed);
1405: for (my $i=0;$i<$num_todo;$i++) {
1406: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1407: $code_type);
1408: }
1409: if ($code_name) {
1410: &Apache::lonnet::put('CODEs',
1411: {
1412: $code_name =>join(',',keys(%allcodes)),
1413: "type\0$code_name" => $code_type
1414: },
1415: $cdom,$cnum);
1416: }
1417: @allcodes=keys(%allcodes);
1418: }
1419: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1420: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1421: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1422: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1423: $number_per_page=$num_todo;
1424: }
1425: my $flag_latex_header_remove = 'NO';
1426: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1427: my $count=0;
1428: foreach my $code (sort(@allcodes)) {
1429: my $file_num=int($count/$number_per_page);
1430: if ($code_type eq 'number') {
1431: $moreenv{'CODE'}=$code;
1432: } else {
1433: $moreenv{'CODE'}=&num_to_letters($code);
1434: }
1435: my ($output,$fullname, $printed)=
1436: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1437: \@master_seq,$flag_latex_header_remove,
1438: $LaTeXwidth);
1439: $resources_printed .= ":";
1440: $print_array[$file_num].=$output;
1441: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1442: &mt('last assignment').' '.$fullname);
1443: $flag_latex_header_remove = 'YES';
1444: $count++;
1445: if (&Apache::loncommon::connection_aborted($r)) { last; }
1446: }
1447: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1448: $result .= $print_array[0].' \end{document}';
1449: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1450: #prints selected problems from the subdirectory
1451: $selectionmade = 6;
1452: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1453: @list_of_files=sort @list_of_files;
1454: my $flag_latex_header_remove = 'NO';
1455: my $rndseed=time;
1456: if ($helper->{'VARS'}->{'curseed'}) {
1457: $rndseed=$helper->{'VARS'}->{'curseed'};
1458: }
1459: for (my $i=0;$i<=$#list_of_files;$i++) {
1460: my $urlp = $list_of_files[$i];
1461: $urlp=~s|//|/|;
1462: if ($urlp=~/\//) {
1463: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1464: $form{'rndseed'}=$rndseed;
1465: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1466: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1467: } else {
1468: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1469: }
1470: $resources_printed .= $urlp.':';
1471: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1472: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1473: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1474: # Don't permanently pervert %form:
1475: my %answerform = %form;
1476: $answerform{'grade_target'}='answer';
1477: $answerform{'answer_output_mode'}='tex';
1478: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1479: $answerform{'rndseed'}=$rndseed;
1480: $resources_printed .= $urlp.':';
1481: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1482: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1483: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1484: } else {
1485: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1486: if ($helper->{'VARS'}->{'construction'} ne '1') {
1487: $texversion.='\vskip 0 mm \noindent ';
1488: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1489: } else {
1490: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1491: my $URLpath=$urlp;
1492: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1493: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1494: }
1495: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1496: }
1497: }
1498: #this chunck is responsible for printing the path to problem
1499: my $newurlp=$urlp;
1500: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1501: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1502: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1503: if ($flag_latex_header_remove ne 'NO') {
1504: $texversion = &latex_header_footer_remove($texversion);
1505: } else {
1506: $texversion =~ s/\\end{document}//;
1507: }
1508: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1509: $texversion=&IndexCreation($texversion,$urlp);
1510: }
1511: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1512: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1513:
1514: }
1515: $result .= $texversion;
1516: }
1517: $flag_latex_header_remove = 'YES';
1518: }
1519: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1520: $result .= '\end{document}';
1521: }
1522: #-------------------------------------------------------- corrections for the different page formats
1523: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1524: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1525: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1526: #changes page's parameters for the one column output
1527: if ($numberofcolumns == 1) {
1528: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1529: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1530: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1531: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1532: }
1533:
1534: #-- writing .tex file in prtspool
1535: my $temp_file;
1536: my $identifier = &Apache::loncommon::get_cgi_id();
1537: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1538: if (!($#print_array>0)) {
1539: unless ($temp_file = Apache::File->new('>'.$filename)) {
1540: $r->log_error("Couldn't open $filename for output $!");
1541: return SERVER_ERROR;
1542: }
1543: print $temp_file $result;
1544: my $begin=index($result,'\begin{document}',0);
1545: my $inc=substr($result,0,$begin+16);
1546: } else {
1547: my $begin=index($result,'\begin{document}',0);
1548: my $inc=substr($result,0,$begin+16);
1549: for (my $i=0;$i<=$#print_array;$i++) {
1550: if ($i==0) {
1551: $print_array[$i]=$result;
1552: } else {
1553: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1554: substr($print_array[$i],0,$anobegin)='';
1555: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1556: }
1557: my $temp_file;
1558: my $newfilename=$filename;
1559: my $num=$i+1;
1560: $newfilename =~s/\.tex$//;
1561: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1562: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1563: $r->log_error("Couldn't open $newfilename for output $!");
1564: return SERVER_ERROR;
1565: }
1566: print $temp_file $print_array[$i];
1567: }
1568: }
1569: my $student_names='';
1570: if ($#print_array>0) {
1571: for (my $i=0;$i<=$#print_array;$i++) {
1572: $student_names.=$student_names[$i].'_ENDPERSON_';
1573: }
1574: } else {
1575: if ($#student_names>-1) {
1576: $student_names=$student_names[0].'_ENDPERSON_';
1577: } else {
1578: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1579: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1580: $env{'request.course.sec'},$fullname).
1581: '_ENDPERSON_'.'_END_';
1582: }
1583: }
1584:
1585: my $URLback=''; #link to original document
1586: if ($helper->{'VARS'}->{'construction'} ne '1') {
1587: #prints published resource
1588: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1589: } else {
1590: #prints resource from the construction space
1591: $URLback='/'.$helper->{'VARS'}->{'filename'};
1592: if ($URLback=~/([^?]+)/) {
1593: $URLback=$1;
1594: $URLback=~s|^/~|/priv/|;
1595: }
1596: }
1597: # logic for now is too complex to trace if this has been defined
1598: # yet.
1599: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1600: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1601: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1602: 'cgi.'.$identifier.'.layout' => $laystyle,
1603: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1604: 'cgi.'.$identifier.'.paper' => $papersize,
1605: 'cgi.'.$identifier.'.selection' => $selectionmade,
1606: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1607: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1608: 'cgi.'.$identifier.'.role' => $env{'request.role.adv'},
1609: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1610: 'cgi.'.$identifier.'.studentnames' => $student_names,
1611: 'cgi.'.$identifier.'.backref' => $URLback,);
1612: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1613: "cgi.$identifier.domain" => $env{'user.domain'},
1614: "cgi.$identifier.courseid" => $cnum,
1615: "cgi.$identifier.coursedom" => $cdom,
1616: "cgi.$identifier.resources" => $resources_printed);
1617:
1618: $r->print(<<FINALEND);
1619: <br />
1620: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1621: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1622: </body>
1623: </html>
1624: FINALEND
1625: }
1626:
1627:
1628: sub get_CODE {
1629: my ($all_codes,$num,$seed,$size,$type)=@_;
1630: my $max='1'.'0'x$size;
1631: my $newcode;
1632: while(1) {
1633: $newcode=sprintf("%06d",int(rand($max)));
1634: if (!exists($$all_codes{$newcode})) {
1635: $$all_codes{$newcode}=1;
1636: if ($type eq 'number' ) {
1637: return $newcode;
1638: } else {
1639: return &num_to_letters($newcode);
1640: }
1641: }
1642: }
1643: }
1644:
1645: sub print_resources {
1646: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1647: $LaTeXwidth)=@_;
1648: my $current_output = '';
1649: my $printed = '';
1650: my ($username,$userdomain,$usersection) = split /:/,$person;
1651: my $fullname = &get_name($username,$userdomain);
1652: my $namepostfix;
1653: if ($person =~ 'anon') {
1654: $namepostfix="\\\\Name: ";
1655: $fullname = "CODE - ".$moreenv->{'CODE'};
1656: }
1657: my $i = 0;
1658: #goes through all resources, checks if they are available for
1659: #current student, and produces output
1660: &Apache::lonnet::delenv('form.counter');
1661: &Apache::lonxml::init_counter();
1662:
1663: my %page_breaks = &get_page_breaks($helper);
1664:
1665: foreach my $curresline (@{$master_seq}) {
1666: if (defined $page_breaks{$curresline}) {
1667: if($i != 0) {
1668: $current_output.= "\\newpage\n";
1669: }
1670: }
1671: $i++;
1672: if ( !($type eq 'problems' &&
1673: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1674: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1675: if (&Apache::lonnet::allowed('bre',$res_url)) {
1676: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1677: $printed .= $curresline.':';
1678: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1679: my $lonidsdir=$r->dir_config('lonIDsDir');
1680: my $envfile=$env{'user.environment'};
1681: $envfile=~/\/([^\/]+)\.id$/;
1682: $envfile=$1;
1683: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1684: my $current_counter=$env{'form.counter'};
1685: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1686: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1687: # Use a copy of the hash so we don't pervert it on future loop passes.
1688: my %answerenv = %{$moreenv};
1689: $answerenv{'answer_output_mode'}='tex';
1690: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1691: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1692: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1693: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1694: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1695: } else {
1696: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1697: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1698: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1699: $rendered.='\vskip 1 mm '.$ansrendered;
1700: }
1701: }
1702: if ($remove_latex_header eq 'YES') {
1703: $rendered = &latex_header_footer_remove($rendered);
1704: } else {
1705: $rendered =~ s/\\end{document}//;
1706: }
1707: $current_output .= $rendered;
1708: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1709: $printed .= $curresline.':';
1710: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1711: my $lonidsdir=$r->dir_config('lonIDsDir');
1712: my $envfile=$env{'user.environment'};
1713: $envfile=~/\/([^\/]+)\.id$/;
1714: $envfile=$1;
1715: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1716: my $current_counter=$env{'form.counter'};
1717: if ($remove_latex_header eq 'YES') {
1718: $rendered = &latex_header_footer_remove($rendered);
1719: } else {
1720: $rendered =~ s/\\end{document}//;
1721: }
1722: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1723: } else {
1724: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1725: if ($remove_latex_header ne 'NO') {
1726: $rendered = &latex_header_footer_remove($rendered);
1727: } else {
1728: $rendered =~ s/\\end{document}//;
1729: }
1730: $current_output .= $rendered;
1731: }
1732: }
1733: $remove_latex_header = 'YES';
1734: }
1735: if (&Apache::loncommon::connection_aborted($r)) { last; }
1736: }
1737: my $courseidinfo = &get_course();
1738: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1739: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1740: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1741: if ($current_output=~/\\documentclass/) {
1742: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1743: } else {
1744: my $blankpages = '';
1745: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1746: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1747: }
1748: return ($current_output,$fullname, $printed);
1749:
1750: }
1751:
1752: sub handler {
1753:
1754: my $r = shift;
1755: my $helper;
1756:
1757: # my $loaderror=&Apache::lonnet::overloaderror($r);
1758: # if ($loaderror) { return $loaderror; }
1759: # $loaderror=
1760: # &Apache::lonnet::overloaderror($r,
1761: # $env{'course.'.$env{'request.course.id'}.'.home'});
1762: # if ($loaderror) { return $loaderror; }
1763:
1764: my $result = printHelper($r);
1765: if (!ref($result)) {
1766: return $result;
1767: }
1768: $helper = $result;
1769:
1770: # my $key;
1771: # foreach $key (keys %{$helper->{'VARS'}}) {
1772: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1773: # }
1774: # foreach $key (keys %env) {
1775: # $r->print(' '.$key.'->'.$env{$key}.'<-<br />');
1776: # }
1777: # return OK;
1778:
1779: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1780:
1781: # my $key;
1782: # foreach $key (keys %parmhash) {
1783: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1784: # }
1785: #
1786:
1787:
1788: # If a figure conversion queue file exists for this user.domain
1789: # we delete it since it can only be bad (if it were good, printout.pl
1790: # would have deleted it the last time around.
1791:
1792: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1793: if(-e $conversion_queuefile) {
1794: unlink $conversion_queuefile;
1795: }
1796: &output_data($r,$helper,\%parmhash);
1797: return OK;
1798: }
1799:
1800: use Apache::lonhelper;
1801:
1802: sub addMessage {
1803: my $text = shift;
1804: my $paramHash = Apache::lonhelper::getParamHash();
1805: $paramHash->{MESSAGE_TEXT} = $text;
1806: Apache::lonhelper::message->new();
1807: }
1808:
1809: use Data::Dumper;
1810:
1811: sub printHelper {
1812: my $r = shift;
1813:
1814: if ($r->header_only) {
1815: if ($env{'browser.mathml'}) {
1816: &Apache::loncommon::content_type($r,'text/xml');
1817: } else {
1818: &Apache::loncommon::content_type($r,'text/html');
1819: }
1820: $r->send_http_header;
1821: return OK;
1822: }
1823:
1824: # Send header, nocache
1825: if ($env{'browser.mathml'}) {
1826: &Apache::loncommon::content_type($r,'text/xml');
1827: } else {
1828: &Apache::loncommon::content_type($r,'text/html');
1829: }
1830: &Apache::loncommon::no_cache($r);
1831: $r->send_http_header;
1832: $r->rflush();
1833:
1834: # Unfortunately, this helper is so complicated we have to
1835: # write it by hand
1836:
1837: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1838:
1839: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1840: $helper->declareVar('symb');
1841: $helper->declareVar('postdata');
1842: $helper->declareVar('curseed');
1843: $helper->declareVar('probstatus');
1844: $helper->declareVar('filename');
1845: $helper->declareVar('construction');
1846: $helper->declareVar('assignment');
1847: $helper->declareVar('style_file');
1848: $helper->declareVar('student_sort');
1849: $helper->declareVar('FINISHPAGE');
1850: $helper->declareVar('PRINT_TYPE');
1851: $helper->declareVar("showallfoils");
1852:
1853: # The page breaks can get loaded initially from the course environment:
1854:
1855: if((!defined($env{"form.CURRENT_STATE"})) ||
1856: ($env{'form.CURRENT_STATE'} == "START")) {
1857: $helper->{VARS}->{FINISHPAGE} = ""; # In case they did a back e.g.
1858: }
1859:
1860:
1861:
1862: &Apache::loncommon::restore_course_settings('print',
1863: {'pagebreaks' => 'scalar',
1864: 'lastprinttype' => 'scalar'});
1865:
1866:
1867: if("$helper->{VARS}->{PRINT_TYPE}" eq "$env{'form.lastprinttype'}") {
1868: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1869: }
1870:
1871:
1872: # This will persistently load in the data we want from the
1873: # very first screen.
1874: # Detect whether we're coming from construction space
1875: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1876: $helper->{VARS}->{'filename'} = "~$1/$2";
1877: $helper->{VARS}->{'construction'} = 1;
1878: } else {
1879: if ($env{'form.postdata'}) {
1880: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1881: }
1882: if ($env{'form.symb'}) {
1883: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1884: }
1885: if ($env{'form.url'}) {
1886: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1887: }
1888: }
1889:
1890: if ($env{'form.symb'}) {
1891: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1892: }
1893: if ($env{'form.url'}) {
1894: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1895:
1896: }
1897: $helper->{VARS}->{'symb'}=
1898: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1899: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1900: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1901:
1902:
1903: # Extract map
1904: my $symb = $helper->{VARS}->{'symb'};
1905: my ($map, $id, $url);
1906: my $subdir;
1907:
1908: # Get the resource name from construction space
1909: if ($helper->{VARS}->{'construction'}) {
1910: $resourceTitle = substr($helper->{VARS}->{'filename'},
1911: rindex($helper->{VARS}->{'filename'}, '/')+1);
1912: $subdir = substr($helper->{VARS}->{'filename'},
1913: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1914: } else {
1915: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1916: $helper->{VARS}->{'postdata'} =
1917: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1918:
1919: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1920: my $postdata = $helper->{VARS}->{'postdata'};
1921: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1922: }
1923: $subdir = &Apache::lonnet::filelocation("", $url);
1924: }
1925: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
1926: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1927: }
1928: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1929: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
1930: }
1931:
1932: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1933: my $userPriviledged = ($env{'request.role'}=~m/^cc\./ or
1934: $env{'request.role'}=~m/^in\./ or
1935: $env{'request.role'}=~m/^ta\./);
1936:
1937: Apache::lonhelper::registerHelperTags();
1938:
1939: # "Delete everything after the last slash."
1940: $subdir =~ s|/[^/]+$||;
1941: if (not $helper->{VARS}->{'construction'}) {
1942: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1943: }
1944: # "Remove all duplicate slashes."
1945: $subdir =~ s|/+|/|g;
1946:
1947: # What can be printed is a very dynamic decision based on
1948: # lots of factors. So we need to dynamically build this list.
1949: # To prevent security leaks, states are only added to the wizard
1950: # if they can be reached, which ensures manipulating the form input
1951: # won't allow anyone to reach states they shouldn't have permission
1952: # to reach.
1953:
1954: # printChoices is tracking the kind of printing the user can
1955: # do, and will be used in a choices construction later.
1956: # In the meantime we will be adding states and elements to
1957: # the helper by hand.
1958: my $printChoices = [];
1959: my $paramHash;
1960:
1961: if ($resourceTitle) {
1962: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1963: }
1964:
1965: # Useful filter strings
1966: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1967: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1968: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
1969: my $isNotMap = '!$res->is_sequence()';
1970: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1971: my $isMap = '$res->is_map()';
1972: my $symbFilter = '$res->shown_symb()';
1973: my $urlValue = '$res->link()';
1974:
1975: $helper->declareVar('SEQUENCE');
1976:
1977: # Useful for debugging: Dump the help vars
1978: # $r->print(Dumper($helper->{VARS}));
1979: # $r->print($map);
1980:
1981: # If we're in a sequence...
1982: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1983:
1984: $helper->{VARS}->{'postdata'} &&
1985: $helper->{VARS}->{'assignment'}) {
1986: # Allow problems from sequence
1987: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1988: # Allow all resources from sequence
1989: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1990:
1991: my $helperFragment = <<HELPERFRAGMENT;
1992: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1993: <message>(mark them then click "next" button) <br /></message>
1994: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1995: closeallpages="1">
1996: <nextstate>PAGESIZE</nextstate>
1997: <filterfunc>return $isProblem;</filterfunc>
1998: <mapurl>$map</mapurl>
1999: <valuefunc>return $symbFilter;</valuefunc>
2000: <option text='Newpage' variable='FINISHPAGE' />
2001: </resource>
2002: </state>
2003:
2004: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2005: <message>(mark them then click "next" button) <br /></message>
2006: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2007: closeallpages="1">
2008: <nextstate>PAGESIZE</nextstate>
2009: <filterfunc>return $isNotMap;</filterfunc>
2010: <mapurl>$map</mapurl>
2011: <valuefunc>return $symbFilter;</valuefunc>
2012: <option text='Newpage' variable='FINISHPAGE' />
2013: </resource>
2014: </state>
2015: HELPERFRAGMENT
2016:
2017: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2018: }
2019:
2020: # If the user is privileged, allow them to print all
2021: # problems and resources in the entier course, optionally for selected students
2022: if ($userPriviledged &&
2023: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2024:
2025: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2026: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2027: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2028: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2029: <message>(mark them then click "next" button) <br /></message>
2030: <resource variable="RESOURCES" toponly='0' multichoice="1"
2031: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2032: <nextstate>PAGESIZE</nextstate>
2033: <filterfunc>return $isProblemOrMap;</filterfunc>
2034: <choicefunc>return $isNotMap;</choicefunc>
2035: <valuefunc>return $symbFilter;</valuefunc>
2036: <option text='Newpage' variable='FINISHPAGE' />
2037: </resource>
2038: </state>
2039: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2040: <message>(Mark them then click "next" button) <br /> </message>
2041: <resource variable="RESOURCES" toponly='0' multichoice='1'
2042: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2043: <nextstate>PAGESIZE</nextstate>
2044: <filterfunc>return $isNotMap; </filterfunc>
2045: <valuefunc>return $symbFilter;</valuefunc>
2046: <option text='NewPage' variable='FINISHPAGE' />
2047: </resource>
2048: </state>
2049: ALL_PROBLEMS
2050:
2051: if ($helper->{VARS}->{'assignment'}) {
2052: 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'];
2053: 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'];
2054: }
2055: my $resource_selector=<<RESOURCE_SELECTOR;
2056: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2057: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2058: closeallpages="1">
2059: <filterfunc>return $isProblem;</filterfunc>
2060: <mapurl>$map</mapurl>
2061: <valuefunc>return $symbFilter;</valuefunc>
2062: <option text='New Page' variable='FINISHPAGE' />
2063: </resource>
2064: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2065: <choices variable="EMPTY_PAGES">
2066: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2067: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2068: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2069: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2070: </choices>
2071: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2072: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2073: RESOURCE_SELECTOR
2074:
2075: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2076: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2077: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
2078: <message><b>Select sort order</b> </message>
2079: <choices variable='student_sort'>
2080: <choice computer='0'>Sort by section then student</choice>
2081: <choice computer='1'>Sort by students across sections.</choice>
2082: </choices>
2083: $resource_selector
2084: </state>
2085: CHOOSE_STUDENTS
2086:
2087: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2088: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2089: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2090: my $namechoice='<choice></choice>';
2091: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2092: if ($name =~ /^error: 2 /) { next; }
2093: if ($name =~ /^type\0/) { next; }
2094: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2095: }
2096:
2097:
2098: my %all_codes = &Apache::lonnet::get('CODEs',
2099: \@names, $cdom,$cnum);
2100: my %code_values;
2101: my @all_code_array;
2102: foreach my $key (keys %all_codes) {
2103: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2104: foreach my $key (keys %code_values) {
2105: push (@all_code_array, "$key");
2106: }
2107: }
2108:
2109: my $code_selection = "<choice></choice>\n";
2110: foreach my $code (sort {uc($a) cmp uc($b)} @all_code_array) {
2111: my $choice = $code;
2112: if ($code =~ /^[A-Z]+$/) { # Alpha code
2113: $choice = &letters_to_num($code);
2114: }
2115: $code_selection .= ' <choice computer="'.$choice.'">'.$code."</choice>\n";
2116: }
2117: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2118: my $codechoice='';
2119: foreach my $line (<FH>) {
2120: my ($name,$description,$code_type,$code_length)=
2121: (split(/:/,$line))[0,1,2,4];
2122: if ($code_length > 0 &&
2123: $code_type =~/^(letter|number|-1)/) {
2124: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2125: }
2126: }
2127: if ($codechoice eq '') {
2128: $codechoice='<choice computer="default">Default</choice>';
2129: }
2130: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2131: <state name="CHOOSE_ANON1" title="Select Students and Resources">
2132: <nextstate>PAGESIZE</nextstate>
2133: <message><hr width='33%' /></message>
2134: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2135: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2136: <validator>
2137: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2138: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2139: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2140: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2141: return "You need to specify the number of assignments to print";
2142: }
2143: return undef;
2144: </validator>
2145: </string>
2146: <message></td></tr><tr><td></message>
2147: <message><b>Value of CODE to print?</b></td><td></message>
2148: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2149: <validator>
2150: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2151: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2152: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2153: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2154: \$helper->{'VARS'}{'CODE_OPTION'});
2155: } else {
2156: return undef; # Other forces control us.
2157: }
2158: </validator>
2159: </string>
2160: <message></td></tr><tr><td></message>
2161: <message><b>Choose single code from list</b></message>
2162: <message></td><td></message>
2163: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2164: $code_selection
2165: </dropdown>
2166: <message></td></tr><tr><td></message>
2167: <message><b>Names to store the CODEs under for later:</b></message>
2168: <message></td><td></message>
2169: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2170: <message></td></tr><tr><td></message>
2171: <message><b>Bubble sheet type:</b></message>
2172: <message></td><td></message>
2173: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2174: $codechoice
2175: </dropdown>
2176: <message></td></tr></table></message>
2177: <message><hr width='33%' /></message>
2178: <message><b>Reprint a set of saved CODEs:</b></message>
2179: <dropdown variable="REUSE_OLD_CODES">
2180: $namechoice
2181: </dropdown>
2182: <message><hr width='33%' /></message>
2183: $resource_selector
2184: </state>
2185: CHOOSE_ANON1
2186:
2187:
2188: if ($helper->{VARS}->{'assignment'}) {
2189: 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'];
2190: 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'];
2191: }
2192:
2193:
2194: $resource_selector=<<RESOURCE_SELECTOR;
2195: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2196: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2197: closeallpages="1">
2198: <filterfunc>return $isNotMap;</filterfunc>
2199: <mapurl>$map</mapurl>
2200: <valuefunc>return $symbFilter;</valuefunc>
2201: <option text='Newpage' variable='FINISHPAGE' />
2202: </resource>
2203: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2204: <choices variable="EMPTY_PAGES">
2205: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2206: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2207: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2208: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2209: </choices>
2210: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2211: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2212: RESOURCE_SELECTOR
2213:
2214: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2215: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2216: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
2217: <choices variable='student_sort'>
2218: <choice computer='0'>Sort by section then student</choice>
2219: <choice computer='1'>Sort by students across sections.</choice>
2220: </choices>
2221:
2222: $resource_selector
2223: </state>
2224: CHOOSE_STUDENTS1
2225:
2226: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2227: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2228: <nextstate>PAGESIZE</nextstate>
2229: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2230: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2231: <validator>
2232: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2233: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2234: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2235: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2236: return "You need to specify the number of assignments to print";
2237: }
2238: return undef;
2239: </validator>
2240: </string>
2241: <message></td></tr><tr><td></message>
2242: <message><b>Value of CODE to print?</b></td><td></message>
2243: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2244: <validator>
2245: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2246: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2247: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2248: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2249: \$helper->{'VARS'}{'CODE_OPTION'});
2250: } else {
2251: return undef; # Other forces control us.
2252: }
2253: </validator>
2254: </string>
2255: <message></td></tr><tr><td></message>
2256: <message><b>Choose single code from list</b></message>
2257: <message></td><td></message>
2258: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2259: $code_selection
2260: </dropdown>
2261: <message></td></tr><tr><td></message>
2262: <message><b>Names to store the CODEs under for later:</b></message>
2263: <message></td><td></message>
2264: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2265: <message></td></tr><tr><td></message>
2266: <message><b>Bubble sheet type:</b></message>
2267: <message></td><td></message>
2268: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2269: $codechoice
2270: </dropdown>
2271: <message></td></tr></table></message>
2272: <message><hr width='33%' /></message>
2273: <message><b>Reprint a set of saved CODEs:</b></message>
2274: <dropdown variable="REUSE_OLD_CODES">
2275: $namechoice
2276: </dropdown>
2277: <message><hr width='33%' /></message>
2278: $resource_selector
2279: </state>
2280: CHOOSE_ANON2
2281: }
2282:
2283: # FIXME: That RE should come from a library somewhere.
2284: if ((((&Apache::lonnet::allowed('bre',$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 $env{'request.role.adv'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2285: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2286:
2287: my $f = '$filename';
2288: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2289: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2290: <message>(mark them then click "next" button) <br /></message>
2291: <files variable="FILES" multichoice='1'>
2292: <nextstate>PAGESIZE</nextstate>
2293: <filechoice>return '$subdir';</filechoice>
2294: CHOOSE_FROM_SUBDIR
2295:
2296: # this is broken up because I really want interpolation above,
2297: # and I really DON'T want it below
2298: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2299: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2300: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2301: </filefilter>
2302: </files>
2303: </state>
2304: CHOOSE_FROM_SUBDIR
2305: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2306: }
2307:
2308: # Allow the user to select any sequence in the course, feed it to
2309: # another resource selector for that sequence
2310: if (!$helper->{VARS}->{'construction'}) {
2311: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
2312: 'select_sequences', 'CHOOSE_SEQUENCE'];
2313: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2314: #Escape apostrophes and backslashes for Perl
2315: $escapedSequenceName =~ s/\\/\\\\/g;
2316: $escapedSequenceName =~ s/'/\\'/g;
2317: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2318: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2319: <message>Select the sequence to print resources from:</message>
2320: <resource variable="SEQUENCE">
2321: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2322: <filterfunc>return \$res->is_sequence;</filterfunc>
2323: <valuefunc>return $urlValue;</valuefunc>
2324: <option text='Newpage' variable='FINISHPAGE' />
2325: </resource>
2326: </state>
2327: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2328: <message>(mark desired resources then click "next" button) <br /></message>
2329: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2330: closeallpages="1">
2331: <nextstate>PAGESIZE</nextstate>
2332: <filterfunc>return $isProblem</filterfunc>
2333: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2334: <valuefunc>return $symbFilter;</valuefunc>
2335: <option text='Newpage' variable='FINISHPAGE' />
2336: </resource>
2337: </state>
2338: CHOOSE_FROM_ANY_SEQUENCE
2339: }
2340:
2341: # Generate the first state, to select which resources get printed.
2342: Apache::lonhelper::state->new("START", "Select Printing Options:");
2343: $paramHash = Apache::lonhelper::getParamHash();
2344: $paramHash->{MESSAGE_TEXT} = "";
2345: Apache::lonhelper::message->new();
2346: $paramHash = Apache::lonhelper::getParamHash();
2347: $paramHash->{'variable'} = 'PRINT_TYPE';
2348: $paramHash->{CHOICES} = $printChoices;
2349: Apache::lonhelper::choices->new();
2350:
2351: my $startedTable = 0; # have we started an HTML table yet? (need
2352: # to close it later)
2353:
2354: if (($env{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2355: ($helper->{VARS}->{'construction'} eq '1')) {
2356: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2357: $paramHash = Apache::lonhelper::getParamHash();
2358: $paramHash->{'variable'} = 'ANSWER_TYPE';
2359: $helper->declareVar('ANSWER_TYPE');
2360: $paramHash->{CHOICES} = [
2361: ['Without Answers', 'yes'],
2362: ['With Answers', 'no'],
2363: ['Only Answers', 'only']
2364: ];
2365: Apache::lonhelper::dropdown->new();
2366: addMessage("</td></tr>");
2367: $startedTable = 1;
2368: }
2369:
2370: if ($env{'request.role.adv'}) {
2371: if (!$startedTable) {
2372: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2373: $startedTable = 1;
2374: } else {
2375: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2376: }
2377: $paramHash = Apache::lonhelper::getParamHash();
2378: $paramHash->{'variable'} = 'LATEX_TYPE';
2379: $helper->declareVar('LATEX_TYPE');
2380: if ($helper->{VARS}->{'construction'} eq '1') {
2381: $paramHash->{CHOICES} = [
2382: ['standard LaTeX mode', 'standard'],
2383: ['LaTeX batchmode', 'batchmode'], ];
2384: } else {
2385: $paramHash->{CHOICES} = [
2386: ['LaTeX batchmode', 'batchmode'],
2387: ['standard LaTeX mode', 'standard'] ];
2388: }
2389: Apache::lonhelper::dropdown->new();
2390:
2391: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2392: $paramHash = Apache::lonhelper::getParamHash();
2393: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2394: $helper->declareVar('TABLE_CONTENTS');
2395: $paramHash->{CHOICES} = [
2396: ['No', 'no'],
2397: ['Yes', 'yes'] ];
2398: Apache::lonhelper::dropdown->new();
2399: addMessage("</td></tr>");
2400:
2401: if (not $helper->{VARS}->{'construction'}) {
2402: addMessage("<tr><td align='right'>Print Index: </td><td>");
2403: $paramHash = Apache::lonhelper::getParamHash();
2404: $paramHash->{'variable'} = 'TABLE_INDEX';
2405: $helper->declareVar('TABLE_INDEX');
2406: $paramHash->{CHOICES} = [
2407: ['No', 'no'],
2408: ['Yes', 'yes'] ];
2409: Apache::lonhelper::dropdown->new();
2410: addMessage("</td></tr>");
2411: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2412: $paramHash = Apache::lonhelper::getParamHash();
2413: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2414: $helper->declareVar('PRINT_DISCUSSIONS');
2415: $paramHash->{CHOICES} = [
2416: ['No', 'no'],
2417: ['Yes', 'yes'] ];
2418: Apache::lonhelper::dropdown->new();
2419: addMessage("</td></tr>");
2420:
2421: # If advanced roles, then allow to show all foils.
2422:
2423: if ($env{'request.role.adv'}) {
2424: addMessage("<tr><td align = 'right'> </td><td>");
2425: $paramHash = Apache::lonhelper::getParamHash();
2426: $paramHash->{'multichoice'} = "true";
2427: $paramHash->{'allowempty'} = "true";
2428: $paramHash->{'variable'} = "showallfoils";
2429: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2430: Apache::lonhelper::choices->new();
2431: addMessage("</td></tr>");
2432: }
2433:
2434: }
2435:
2436: if ($helper->{'VARS'}->{'construction'}) {
2437: my $stylevalue=$env{'construct.style'};
2438: my $xmlfrag .= <<"RNDSEED";
2439: <message><tr><td align='right'>Use random seed: </td><td></message>
2440: <string variable="curseed" size="15" maxlength="15">
2441: <defaultvalue>
2442: return $helper->{VARS}->{'curseed'};
2443: </defaultvalue>
2444: </string>
2445: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2446: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message>
2447: <choices allowempty="1" multichoice="true" variable="showallfoils">
2448: <choice computer="1">Show all foils?</choice>
2449: </choices>
2450: <message></td></tr></message>
2451: RNDSEED
2452: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2453: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2454:
2455: }
2456:
2457: }
2458:
2459:
2460:
2461:
2462: if ($startedTable) {
2463: addMessage("</table>");
2464: }
2465:
2466: Apache::lonprintout::page_format_state->new("FORMAT");
2467:
2468: # Generate the PAGESIZE state which will offer the user the margin
2469: # choices if they select one column
2470: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2471: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2472:
2473:
2474: $helper->process();
2475:
2476: # MANUAL BAILOUT CONDITION:
2477: # If we're in the "final" state, bailout and return to handler
2478: if ($helper->{STATE} eq 'FINAL') {
2479: return $helper;
2480: }
2481:
2482: $r->print($helper->display());
2483:
2484: &Apache::lonhelper::unregisterHelperTags();
2485:
2486: return OK;
2487: }
2488:
2489:
2490: 1;
2491:
2492: package Apache::lonprintout::page_format_state;
2493:
2494: =pod
2495:
2496: =head1 Helper element: page_format_state
2497:
2498: See lonhelper.pm documentation for discussion of the helper framework.
2499:
2500: Apache::lonprintout::page_format_state is an element that gives the
2501: user an opportunity to select the page layout they wish to print
2502: with: Number of columns, portrait/landscape, and paper size. If you
2503: want to change the paper size choices, change the @paperSize array
2504: contents in this package.
2505:
2506: page_format_state is always directly invoked in lonprintout.pm, so there
2507: is no tag interface. You actually pass parameters to the constructor.
2508:
2509: =over 4
2510:
2511: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2512:
2513: =back
2514:
2515: =cut
2516:
2517: use Apache::lonhelper;
2518:
2519: no strict;
2520: @ISA = ("Apache::lonhelper::element");
2521: use strict;
2522: use Apache::lonlocal;
2523: use Apache::lonnet;
2524:
2525: my $maxColumns = 2;
2526: # it'd be nice if these all worked
2527: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2528: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2529: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2530: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2531: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2532: "a4 [210x297 mm]");
2533:
2534: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2535: # Paper type
2536:
2537: sub new {
2538: my $self = Apache::lonhelper::element->new();
2539:
2540: shift;
2541:
2542: $self->{'variable'} = shift;
2543: my $helper = Apache::lonhelper::getHelper();
2544: $helper->declareVar($self->{'variable'});
2545: bless($self);
2546: return $self;
2547: }
2548:
2549: sub render {
2550: my $self = shift;
2551: my $helper = Apache::lonhelper::getHelper();
2552: my $result = '';
2553: my $var = $self->{'variable'};
2554: my $PageLayout=&mt('Page layout');
2555: my $NumberOfColumns=&mt('Number of columns');
2556: my $PaperType=&mt('Paper type');
2557: $result .= <<STATEHTML;
2558:
2559: <hr width="33%" />
2560: <table cellpadding="3">
2561: <tr>
2562: <td align="center"><b>$PageLayout</b></td>
2563: <td align="center"><b>$NumberOfColumns</b></td>
2564: <td align="center"><b>$PaperType</b></td>
2565: </tr>
2566: <tr>
2567: <td>
2568: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2569: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2570: </td>
2571: <td align="center">
2572: <select name="${var}.cols">
2573: STATEHTML
2574:
2575: my $i;
2576: for ($i = 1; $i <= $maxColumns; $i++) {
2577: if ($i == 2) {
2578: $result .= "<option value='$i' selected>$i</option>\n";
2579: } else {
2580: $result .= "<option value='$i'>$i</option>\n";
2581: }
2582: }
2583:
2584: $result .= "</select></td><td>\n";
2585: $result .= "<select name='${var}.paper'>\n";
2586:
2587: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2588: my $DefaultPaperSize=$parmhash{'default_paper_size'};
2589: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2590: $i = 0;
2591: foreach (@paperSize) {
2592: $_=~/(\w+)/;
2593: my $papersize=$1;
2594: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2595: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2596: } else {
2597: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2598: }
2599: $i++;
2600: }
2601: $result .= "</select></td></tr></table>";
2602: return $result;
2603: }
2604:
2605: sub postprocess {
2606: my $self = shift;
2607:
2608: my $var = $self->{'variable'};
2609: my $helper = Apache::lonhelper->getHelper();
2610: $helper->{VARS}->{$var} =
2611: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2612: $env{"form.$var.paper"};
2613: return 1;
2614: }
2615:
2616: 1;
2617:
2618: package Apache::lonprintout::page_size_state;
2619:
2620: =pod
2621:
2622: =head1 Helper element: page_size_state
2623:
2624: See lonhelper.pm documentation for discussion of the helper framework.
2625:
2626: Apache::lonprintout::page_size_state is an element that gives the
2627: user the opportunity to further refine the page settings if they
2628: select a single-column page.
2629:
2630: page_size_state is always directly invoked in lonprintout.pm, so there
2631: is no tag interface. You actually pass parameters to the constructor.
2632:
2633: =over 4
2634:
2635: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2636:
2637: =back
2638:
2639: =cut
2640:
2641: use Apache::lonhelper;
2642: use Apache::lonnet;
2643: no strict;
2644: @ISA = ("Apache::lonhelper::element");
2645: use strict;
2646:
2647:
2648:
2649: sub new {
2650: my $self = Apache::lonhelper::element->new();
2651:
2652: shift; # disturbs me (probably prevents subclassing) but works (drops
2653: # package descriptor)... - Jeremy
2654:
2655: $self->{'variable'} = shift;
2656: my $helper = Apache::lonhelper::getHelper();
2657: $helper->declareVar($self->{'variable'});
2658:
2659: # The variable name of the format element, so we can look into
2660: # $helper->{VARS} to figure out whether the columns are one or two
2661: $self->{'formatvar'} = shift;
2662:
2663: # The state to transition to after selection, or after discovering
2664: # the cols are not set to 1
2665: $self->{NEXTSTATE} = shift;
2666: bless($self);
2667: return $self;
2668: }
2669:
2670: sub render {
2671: my $self = shift;
2672: my $helper = Apache::lonhelper::getHelper();
2673: my $result = '';
2674: my $var = $self->{'variable'};
2675:
2676: if (defined $self->{ERROR_MSG}) {
2677: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2678: }
2679:
2680: $result .= <<ELEMENTHTML;
2681:
2682: <p>How should the column be formatted?</p>
2683:
2684: <table cellpadding='3'>
2685: <tr>
2686: <td align='right'><b>Width</b>:</td>
2687: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2688: <td align='left'>
2689: <select name='$var.widthunit'>
2690: <option>cm</option><option>in</option>
2691: </select>
2692: </td>
2693: </tr>
2694: <tr>
2695: <td align='right'><b>Height</b>:</td>
2696: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2697: <td align='left'>
2698: <select name='$var.heightunit'>
2699: <option>cm</option><option>in</option>
2700: </select>
2701: </td>
2702: </tr>
2703: <tr>
2704: <td align='right'><b>Left margin</b>:</td>
2705: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2706: <td align='left'>
2707: <select name='$var.lmarginunit'>
2708: <option>cm</option><option>in</option>
2709: </select>
2710: </td>
2711: </tr>
2712: </table>
2713:
2714: <p>Hint: Some instructors like to leave scratch space for the student by
2715: making the width much smaller than the width of the page.</p>
2716:
2717: ELEMENTHTML
2718:
2719: return $result;
2720: }
2721:
2722: # If the user didn't select 1 column, skip this state.
2723: sub preprocess {
2724: my $self = shift;
2725: my $helper = Apache::lonhelper::getHelper();
2726:
2727: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2728: if (substr($format, 2, 1) ne '1') {
2729: $helper->changeState($self->{NEXTSTATE});
2730: }
2731:
2732: return 1;
2733: }
2734:
2735: sub postprocess {
2736: my $self = shift;
2737:
2738: my $var = $self->{'variable'};
2739: my $helper = Apache::lonhelper->getHelper();
2740: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
2741: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
2742: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
2743: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
2744: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
2745: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
2746:
2747: my $error = '';
2748:
2749: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2750: # by an optional period, followed by digits, ending the string
2751:
2752: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2753: $error .= "Invalid width; please type only a number.<br />\n";
2754: }
2755: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2756: $error .= "Invalid height; please type only a number.<br />\n";
2757: }
2758: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2759: $error .= "Invalid left margin; please type only a number.<br />\n";
2760: }
2761:
2762: if (!$error) {
2763: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2764: return 1;
2765: } else {
2766: $self->{ERROR_MSG} = $error;
2767: return 0;
2768: }
2769: }
2770:
2771:
2772:
2773: __END__
2774:
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