1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.393 2005/09/19 10:58:33 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: #
46: # Convert a numeric code to letters
47: #
48: sub num_to_letters {
49: my ($num) = @_;
50: my @nums= split('',$num);
51: my @num_to_let=('A'..'Z');
52: my $word;
53: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
54: return $word;
55: }
56: # Convert a letter code to numeric.
57: #
58: sub letters_to_num {
59: my ($letters) = @_;
60: my @letters = split('', uc($letters));
61: my %substitution;
62: my $digit = 0;
63: foreach my $letter ('A'..'J') {
64: $substitution{$letter} = $digit;
65: $digit++;
66: }
67: # The substitution is done as below to preserve leading
68: # zeroes which are needed to keep the code size exact
69: #
70: my $result ="";
71: foreach my $letter (@letters) {
72: $result.=$substitution{$letter};
73: }
74: return $result;
75: }
76:
77: # Determine if a code is a valid numeric code. Valid
78: # numeric codes must be comprised entirely of digits and
79: # have a correct number of digits.
80: #
81: # Parameters:
82: # value - proposed code value.
83: # num_digits - Number of digits required.
84: #
85: sub is_valid_numeric_code {
86: my ($value, $num_digits) = @_;
87: # Remove leading/trailing whitespace;
88: $value =~ s/^\s*//g;
89: $value =~ s/\s*$//g;
90:
91: # All digits?
92: if ($value !~ /^[0-9]+$/) {
93: return "Numeric code $value has invalid characters - must only be digits";
94: }
95: if (length($value) != $num_digits) {
96: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
97: }
98: return undef;
99: }
100: # Determines if a code is a valid alhpa code. Alpha codes
101: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
102: # They also have a correct digit count.
103: # Parameters:
104: # value - Proposed code value.
105: # num_letters - correct number of letters.
106: # Note:
107: # leading and trailing whitespace are ignored.
108: #
109: sub is_valid_alpha_code {
110: my ($value, $num_letters) = @_;
111:
112: # strip leading and trailing spaces.
113:
114: $value =~ s/^\s*//g;
115: $value =~ s/\s*$//g;
116:
117: # All alphas in the right range?
118: if ($value !~ /^[A-J,a-j]+$/) {
119: return "Invalid letter code $value must only contain A-J";
120: }
121: if (length($value) != $num_letters) {
122: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
123: }
124: return undef;
125: }
126:
127: # Determine if a code entered by the user in a helper is valid.
128: # valid depends on the code type and the type of code selected.
129: # The type of code selected can either be numeric or
130: # Alphabetic. If alphabetic, the code, in fact is a simple
131: # substitution cipher for the actual numeric code: 0->A, 1->B ...
132: # We'll be nice and be case insensitive for alpha codes.
133: # Parameters:
134: # code_value - the value of the code the user typed in.
135: # code_option - The code type selected from the set in the scantron format
136: # table.
137: # Returns:
138: # undef - The code is valid.
139: # other - An error message indicating what's wrong.
140: #
141: sub is_code_valid {
142: my ($code_value, $code_option) = @_;
143: my ($code_type, $code_length) = ('letter', 6); # defaults.
144: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
145: foreach my $line (<FG>) {
146: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
147: if($name eq $code_option) {
148: $code_length = $length;
149: if($type eq 'number') {
150: $code_type = 'number';
151: }
152: }
153: }
154: my $valid;
155: if ($code_type eq 'number') {
156: return &is_valid_numeric_code($code_value, $code_length);
157: } else {
158: return &is_valid_alpha_code($code_value, $code_length);
159: }
160:
161: }
162:
163: # Compare two students by name. The students are in the form
164: # returned by the helper:
165: # user:domain:section:last, first:status
166: # This is a helper function for the perl sort built-in therefore:
167: # Implicit Inputs:
168: # $a - The first element to compare (global)
169: # $b - The second element to compare (global)
170: # Returns:
171: # -1 - $a < $b
172: # 0 - $a == $b
173: # +1 - $a > $b
174: # Note that the initial comparison is done on the last names with the
175: # first names only used to break the tie.
176: #
177: #
178: sub compare_names {
179: # First split the names up into the primary fields.
180:
181: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
182: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
183:
184: # Now split the last name and first name of each n:
185: #
186:
187: my ($l1,$f1) = split(/,/, $n1);
188: my ($l2,$f2) = split(/,/, $n2);
189:
190: # We don't bother to remove the leading/trailing whitespace from the
191: # firstname, unless the last names compare identical.
192:
193: if($l1 lt $l2) {
194: return -1;
195: }
196: if($l1 gt $l2) {
197: return 1;
198: }
199:
200: # Break the tie on the first name, but there are leading (possibly trailing
201: # whitespaces to get rid of first
202: #
203: $f1 =~ s/^\s+//; # Remove leading...
204: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
205:
206: $f2 =~ s/^\s+//;
207: $f2 =~ s/\s+$//; # And the same for first 2...
208:
209: if($f1 lt $f2) {
210: return -1;
211: }
212: if($f1 gt $f2) {
213: return 1;
214: }
215:
216: # Must be the same name.
217:
218: return 0;
219: }
220:
221: sub latex_header_footer_remove {
222: my $text = shift;
223: $text =~ s/\\end{document}//;
224: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
225: return $text;
226: }
227:
228:
229: sub character_chart {
230: my $result = shift;
231: $result =~ s/&\#0?0?(7|9);//g;
232: $result =~ s/&\#0?(10|13);//g;
233: $result =~ s/&\#0?32;/ /g;
234: $result =~ s/&\#0?33;/!/g;
235: $result =~ s/&(\#0?34|quot);/\"/g;
236: $result =~ s/&\#0?35;/\\\#/g;
237: $result =~ s/&\#0?36;/\\\$/g;
238: $result =~ s/&\#0?37;/\\%/g;
239: $result =~ s/&(\#0?38|amp);/\\&/g;
240: $result =~ s/&\#(0?39|146);/\'/g;
241: $result =~ s/&\#0?40;/(/g;
242: $result =~ s/&\#0?41;/)/g;
243: $result =~ s/&\#0?42;/\*/g;
244: $result =~ s/&\#0?43;/\+/g;
245: $result =~ s/&\#(0?44|130);/,/g;
246: $result =~ s/&\#0?45;/-/g;
247: $result =~ s/&\#0?46;/\./g;
248: $result =~ s/&\#0?47;/\//g;
249: $result =~ s/&\#0?48;/0/g;
250: $result =~ s/&\#0?49;/1/g;
251: $result =~ s/&\#0?50;/2/g;
252: $result =~ s/&\#0?51;/3/g;
253: $result =~ s/&\#0?52;/4/g;
254: $result =~ s/&\#0?53;/5/g;
255: $result =~ s/&\#0?54;/6/g;
256: $result =~ s/&\#0?55;/7/g;
257: $result =~ s/&\#0?56;/8/g;
258: $result =~ s/&\#0?57;/9/g;
259: $result =~ s/&\#0?58;/:/g;
260: $result =~ s/&\#0?59;/;/g;
261: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
262: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
263: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
264: $result =~ s/&\#0?63;/\?/g;
265: $result =~ s/&\#0?65;/A/g;
266: $result =~ s/&\#0?66;/B/g;
267: $result =~ s/&\#0?67;/C/g;
268: $result =~ s/&\#0?68;/D/g;
269: $result =~ s/&\#0?69;/E/g;
270: $result =~ s/&\#0?70;/F/g;
271: $result =~ s/&\#0?71;/G/g;
272: $result =~ s/&\#0?72;/H/g;
273: $result =~ s/&\#0?73;/I/g;
274: $result =~ s/&\#0?74;/J/g;
275: $result =~ s/&\#0?75;/K/g;
276: $result =~ s/&\#0?76;/L/g;
277: $result =~ s/&\#0?77;/M/g;
278: $result =~ s/&\#0?78;/N/g;
279: $result =~ s/&\#0?79;/O/g;
280: $result =~ s/&\#0?80;/P/g;
281: $result =~ s/&\#0?81;/Q/g;
282: $result =~ s/&\#0?82;/R/g;
283: $result =~ s/&\#0?83;/S/g;
284: $result =~ s/&\#0?84;/T/g;
285: $result =~ s/&\#0?85;/U/g;
286: $result =~ s/&\#0?86;/V/g;
287: $result =~ s/&\#0?87;/W/g;
288: $result =~ s/&\#0?88;/X/g;
289: $result =~ s/&\#0?89;/Y/g;
290: $result =~ s/&\#0?90;/Z/g;
291: $result =~ s/&\#0?91;/[/g;
292: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
293: $result =~ s/&\#0?93;/]/g;
294: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
295: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
296: $result =~ s/&\#(0?96|145);/\`/g;
297: $result =~ s/&\#0?97;/a/g;
298: $result =~ s/&\#0?98;/b/g;
299: $result =~ s/&\#0?99;/c/g;
300: $result =~ s/&\#100;/d/g;
301: $result =~ s/&\#101;/e/g;
302: $result =~ s/&\#102;/f/g;
303: $result =~ s/&\#103;/g/g;
304: $result =~ s/&\#104;/h/g;
305: $result =~ s/&\#105;/i/g;
306: $result =~ s/&\#106;/j/g;
307: $result =~ s/&\#107;/k/g;
308: $result =~ s/&\#108;/l/g;
309: $result =~ s/&\#109;/m/g;
310: $result =~ s/&\#110;/n/g;
311: $result =~ s/&\#111;/o/g;
312: $result =~ s/&\#112;/p/g;
313: $result =~ s/&\#113;/q/g;
314: $result =~ s/&\#114;/r/g;
315: $result =~ s/&\#115;/s/g;
316: $result =~ s/&\#116;/t/g;
317: $result =~ s/&\#117;/u/g;
318: $result =~ s/&\#118;/v/g;
319: $result =~ s/&\#119;/w/g;
320: $result =~ s/&\#120;/x/g;
321: $result =~ s/&\#121;/y/g;
322: $result =~ s/&\#122;/z/g;
323: $result =~ s/&\#123;/\\{/g;
324: $result =~ s/&\#124;/\|/g;
325: $result =~ s/&\#125;/\\}/g;
326: $result =~ s/&\#126;/\~/g;
327: $result =~ s/&\#131;/\\textflorin /g;
328: $result =~ s/&\#132;/\"/g;
329: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
330: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
331: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
332: $result =~ s/&\#137;/\\textperthousand /g;
333: $result =~ s/&\#140;/{\\OE}/g;
334: $result =~ s/&\#147;/\`\`/g;
335: $result =~ s/&\#148;/\'\'/g;
336: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
337: $result =~ s/&\#150;/--/g;
338: $result =~ s/&\#151;/---/g;
339: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
340: $result =~ s/&\#153;/\\texttrademark /g;
341: $result =~ s/&\#156;/\\oe/g;
342: $result =~ s/&\#159;/\\\"Y/g;
343: $result =~ s/&(\#160|nbsp);/~/g;
344: $result =~ s/&(\#161|iexcl);/!\`/g;
345: $result =~ s/&(\#162|cent);/\\textcent /g;
346: $result =~ s/&(\#163|pound);/\\pounds /g;
347: $result =~ s/&(\#164|curren);/\\textcurrency /g;
348: $result =~ s/&(\#165|yen);/\\textyen /g;
349: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
350: $result =~ s/&(\#167|sect);/\\textsection /g;
351: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
352: $result =~ s/&(\#169|copy);/\\copyright /g;
353: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
354: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
355: $result =~ s/&(\#173|shy);/ - /g;
356: $result =~ s/&(\#174|reg);/\\textregistered /g;
357: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
358: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
359: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
360: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
361: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
362: $result =~ s/&(\#180|acute);/\\textacute /g;
363: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
364: $result =~ s/&(\#182|para);/\\P/g;
365: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
366: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
367: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
368: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
369: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
370: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
371: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
372: $result =~ s/&(\#191|iquest);/?\`/g;
373: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
374: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
375: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
376: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
377: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
378: $result =~ s/&(\#197|Aring);/{\\AA}/g;
379: $result =~ s/&(\#198|AElig);/{\\AE}/g;
380: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
381: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
382: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
383: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
384: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
385: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
386: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
387: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
388: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
389: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
390: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
391: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
392: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
393: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
394: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
395: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
396: $result =~ s/&(\#216|Oslash);/{\\O}/g;
397: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
398: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
399: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
400: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
401: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
402: $result =~ s/&(\#223|szlig);/{\\ss}/g;
403: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
404: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
405: $result =~ s/&(\#226|acirc);/\\^{a}/g;
406: $result =~ s/&(\#227|atilde);/\\~{a}/g;
407: $result =~ s/&(\#228|auml);/\\\"{a}/g;
408: $result =~ s/&(\#229|aring);/{\\aa}/g;
409: $result =~ s/&(\#230|aelig);/{\\ae}/g;
410: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
411: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
412: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
413: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
414: $result =~ s/&(\#235|euml);/\\\"{e}/g;
415: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
416: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
417: $result =~ s/&(\#238|icirc);/\\^{i}/g;
418: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
419: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
420: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
421: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
422: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
423: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
424: $result =~ s/&(\#245|otilde);/\\~{o}/g;
425: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
426: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
427: $result =~ s/&(\#248|oslash);/{\\o}/g;
428: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
429: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
430: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
431: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
432: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
433: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
434: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
435: #Greek Alphabet
436: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
437: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
438: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
439: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
440: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
441: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
442: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
443: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
444: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
445: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
446: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
447: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
448: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
449: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
450: $result =~ s/&(omicron|\#959);/o/g;
451: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
452: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
453: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
454: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
455: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
456: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
457: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
458: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
459: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
460: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
461: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
462: $result =~ s/&(Alpha|\#913);/A/g;
463: $result =~ s/&(Beta|\#914);/B/g;
464: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
465: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
466: $result =~ s/&(Epsilon|\#917);/E/g;
467: $result =~ s/&(Zeta|\#918);/Z/g;
468: $result =~ s/&(Eta|\#919);/H/g;
469: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
470: $result =~ s/&(Iota|\#921);/I/g;
471: $result =~ s/&(Kappa|\#922);/K/g;
472: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
473: $result =~ s/&(Mu|\#924);/M/g;
474: $result =~ s/&(Nu|\#925);/N/g;
475: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
476: $result =~ s/&(Omicron|\#927);/O/g;
477: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
478: $result =~ s/&(Rho|\#929);/P/g;
479: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
480: $result =~ s/&(Tau|\#932);/T/g;
481: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
482: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
483: $result =~ s/&(Chi|\#935);/X/g;
484: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
485: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
486: #Arrows (extended HTML 4.01)
487: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
488: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
489: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
490: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
491: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
492: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
493: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
494: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
495: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
496: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
497: #Mathematical Operators (extended HTML 4.01)
498: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
499: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
500: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
501: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
502: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
503: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
504: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
505: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
506: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
507: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
508: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
509: $result =~ s/–/\\ensuremath\{-\}/g;
510: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
511: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
512: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
513: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
514: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
515: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
516: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
517: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
518: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
519: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
520: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
521: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
522: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
523: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
524: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
525: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
526: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
527: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
528: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
529: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
530: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
531: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
532: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
533: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
534: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
535: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
536: #Geometric Shapes (extended HTML 4.01)
537: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
538: #Miscellaneous Symbols (extended HTML 4.01)
539: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
540: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
541: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
542: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
543: return $result;
544: }
545:
546:
547: #width, height, oddsidemargin, evensidemargin, topmargin
548: my %page_formats=
549: ('letter' => {
550: 'book' => {
551: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
552: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
553: },
554: 'album' => {
555: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'],
556: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
557: },
558: },
559: 'legal' => {
560: 'book' => {
561: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
562: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
563: },
564: 'album' => {
565: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
566: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
567: },
568: },
569: 'tabloid' => {
570: 'book' => {
571: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
572: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
573: },
574: 'album' => {
575: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
576: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
577: },
578: },
579: 'executive' => {
580: 'book' => {
581: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
582: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
583: },
584: 'album' => {
585: '1' => [],
586: '2' => []
587: },
588: },
589: 'a2' => {
590: 'book' => {
591: '1' => [],
592: '2' => []
593: },
594: 'album' => {
595: '1' => [],
596: '2' => []
597: },
598: },
599: 'a3' => {
600: 'book' => {
601: '1' => [],
602: '2' => []
603: },
604: 'album' => {
605: '1' => [],
606: '2' => []
607: },
608: },
609: 'a4' => {
610: 'book' => {
611: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
612: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
613: },
614: 'album' => {
615: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
616: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
617: },
618: },
619: 'a5' => {
620: 'book' => {
621: '1' => [],
622: '2' => []
623: },
624: 'album' => {
625: '1' => [],
626: '2' => []
627: },
628: },
629: 'a6' => {
630: 'book' => {
631: '1' => [],
632: '2' => []
633: },
634: 'album' => {
635: '1' => [],
636: '2' => []
637: },
638: },
639: );
640:
641: sub page_format {
642: #
643: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
644: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
645: # "A2 [420x594 mm]", "A3 [297x420 mm]",
646: # "A4 [210x297 mm]", "A5 [148x210 mm]",
647: # "A6 [105x148 mm]"
648: #
649: my ($papersize,$layout,$numberofcolumns) = @_;
650: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
651: }
652:
653:
654: sub get_name {
655: my ($uname,$udom)=@_;
656: if (!defined($uname)) { $uname=$env{'user.name'}; }
657: if (!defined($udom)) { $udom=$env{'user.domain'}; }
658: my $plainname=&Apache::loncommon::plainname($uname,$udom);
659: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
660: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
661: return $plainname;
662: }
663:
664: sub get_course {
665: my $courseidinfo;
666: if (defined($env{'request.course.id'})) {
667: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
668: }
669: return $courseidinfo;
670: }
671:
672: sub page_format_transformation {
673: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
674: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
675: if ($selectionmade eq '4') {
676: $assignment='Problems from the Whole Course';
677: } else {
678: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
679: }
680: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
681: my $name = &get_name();
682: my $courseidinfo = &get_course();
683: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
684: my $topmargintoinsert = '';
685: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
686: my $fancypagestatement='';
687: if ($numberofcolumns eq '2') {
688: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
689: } else {
690: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
691: }
692: if ($layout eq 'album') {
693: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
694: } elsif ($layout eq 'book') {
695: if ($choice ne 'All class print') {
696: $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/;
697: } else {
698: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
699: }
700: if ($papersize eq 'a4') {
701: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
702: }
703: }
704: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
705: if ($indexlist eq 'yes') {
706: $text=~s/(\\begin{document})/\\makeindex $1/;
707: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
708: }
709: return $text;
710: }
711:
712:
713: sub page_cleanup {
714: my $result = shift;
715:
716: $result =~ m/\\end{document}(\d*)$/;
717: my $number_of_columns = $1;
718: my $insert = '{';
719: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
720: $insert .= '}';
721: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
722: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
723: return $result,$number_of_columns;
724: }
725:
726:
727: sub details_for_menu {
728: my ($helper)=@_;
729: my $postdata=$env{'form.postdata'};
730: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
731: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
732: my $symbolic = &Apache::lonnet::symbread($postdata);
733: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
734: $map=&Apache::lonnet::clutter($map);
735: my $name_of_sequence = &Apache::lonnet::gettitle($map);
736: if ($name_of_sequence =~ /^\s*$/) {
737: $map =~ m|([^/]+)$|;
738: $name_of_sequence = $1;
739: }
740: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
741: if ($name_of_map =~ /^\s*$/) {
742: $env{'request.course.uri'} =~ m|([^/]+)$|;
743: $name_of_map = $1;
744: }
745: return ($name_of_resource,$name_of_sequence,$name_of_map);
746: }
747:
748:
749: sub latex_corrections {
750:
751: my ($number_of_columns,$result,$selectionmade) = @_;
752:
753: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
754: $result =~ s/\$number_of_columns/$number_of_columns/g;
755: if ($selectionmade ne '1') {
756: $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/;
757: } else {
758: $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/;
759: }
760: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
761: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
762: #-- LaTeX corrections
763: my $first_comment = index($result,'<!--',0);
764: while ($first_comment != -1) {
765: my $end_comment = index($result,'-->',$first_comment);
766: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
767: $first_comment = index($result,'<!--',$first_comment);
768: }
769: $result =~ s/^\s+$//gm; #remove empty lines
770: #removes more than one empty space
771: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
772: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
773: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
774: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
775: $result =~ s/\\\\\s+\[/ \[/g;
776: #conversion of html characters to LaTeX equivalents
777: if ($result =~ m/&(\w+|#\d+);/) {
778: $result = &character_chart($result);
779: }
780: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
781: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
782:
783: return $result;
784: }
785:
786:
787: sub index_table {
788: my $currentURL = shift;
789: my $insex_string='';
790: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
791: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
792: return $insex_string;
793: }
794:
795:
796: sub IndexCreation {
797: my ($texversion,$currentURL)=@_;
798: my @key_words=split(/,/,&index_table($currentURL));
799: my $chunk='';
800: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
801: if ($st>0) {
802: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
803: $chunk=substr($texversion,0,$st+1);
804: substr($texversion,0,$st+1)=' ';
805: }
806: foreach my $key_word (@key_words) {
807: if ($key_word=~/\S+/) {
808: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
809: }
810: }
811: if ($st>0) {substr($texversion,0,1)=$chunk;}
812: return $texversion;
813: }
814:
815: sub print_latex_header {
816: my $mode=shift;
817: my $output='\documentclass[letterpaper]{article}';
818: if (($mode eq 'batchmode') || (!$env{'request.role.adv'})) {
819: $output.='\batchmode';
820: }
821: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
822: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
823: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
824: '\usepackage{wrapfig}'.
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 $resources_printed = '';
930: my $html=&Apache::lonxml::xmlbegin();
931: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
932: $r->print(<<ENDPART);
933: $html
934: <head>
935: <script type="text/javascript" language="Javascript">
936: var editbrowser;
937: function openbrowser(formname,elementname,only,omit) {
938: var url = '/res/?';
939: if (editbrowser == null) {
940: url += 'launch=1&';
941: }
942: url += 'catalogmode=interactive&';
943: url += 'mode=parmset&';
944: url += 'form=' + formname + '&';
945: if (only != null) {
946: url += 'only=' + only + '&';
947: }
948: if (omit != null) {
949: url += 'omit=' + omit + '&';
950: }
951: url += 'element=' + elementname + '';
952: var title = 'Browser';
953: var options = 'scrollbars=1,resizable=1,menubar=0';
954: options += ',width=700,height=600';
955: editbrowser = open(url,title,options,'1');
956: editbrowser.focus();
957: }
958: </script>
959: <title>LON-CAPA output for printing</title>
960: </head>
961: $bodytag
962: Please stand by while processing your print request, this may take some time ...
963: ENDPART
964:
965:
966:
967: # fetch the pagebreaks and store them in the course environment
968: # The page breaks will be pulled into the hash %page_breaks which is
969: # indexed by symb and contains 1's for each break.
970:
971: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
972: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
973: &Apache::loncommon::store_course_settings('print',
974: {'pagebreaks' => 'scalar',
975: 'lastprinttype' => 'scalar'});
976:
977: my %page_breaks = &get_page_breaks($helper);
978:
979: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
980: my ($result,$selectionmade) = ('','');
981: my $number_of_columns = 1; #used only for pages to determine the width of the cell
982: my @temporary_array=split /\|/,$format_from_helper;
983: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
984: if ($laystyle eq 'L') {
985: $laystyle='album';
986: } else {
987: $laystyle='book';
988: }
989: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
990: my $assignment = $env{'form.assignment'};
991: my $LaTeXwidth=&recalcto_mm($textwidth);
992: my @print_array=();
993: my @student_names=();
994:
995: # Common settings for the %form has:
996: # In some cases these settings get overriddent by specific cases, but the
997: # settings are common enough to make it worthwhile factoring them out
998: # here.
999: #
1000: my %form;
1001: $form{'grade_target'} = 'tex';
1002: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1003:
1004: # If form.showallfoils is set, then request all foils be shown:
1005: # privilege will be enforced both by not allowing the
1006: # check box selecting this option to be presnt unless it's ok,
1007: # and by lonresponse's priv. check.
1008: # The if is here because lonresponse.pm only cares that
1009: # showallfoils is defined, not what the value is.
1010:
1011: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1012: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1013: }
1014:
1015: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1016: #-- single document - problem, page, html, xml, ...
1017: my ($currentURL,$cleanURL);
1018:
1019: if ($helper->{'VARS'}->{'construction'} ne '1') {
1020: #prints published resource
1021: $currentURL=$helper->{'VARS'}->{'postdata'};
1022: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1023: } else {
1024: #prints resource from the construction space
1025: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1026: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1027: $cleanURL=$currentURL;
1028: }
1029: $selectionmade = 1;
1030: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1031: my $rndseed=time;
1032: my $texversion='';
1033: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1034: my %moreenv;
1035: $moreenv{'request.filename'}=$cleanURL;
1036: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1037: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1038: my $dom = $env{'user.domain'};
1039: my $user = $env{'user.name'};
1040: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1041: }
1042: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1043: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1044: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1045: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1046: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1047: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1048: if ($helper->{'VARS'}->{'curseed'}) {
1049: $rndseed=$helper->{'VARS'}->{'curseed'};
1050: }
1051: $form{'rndseed'}=$rndseed;
1052: &Apache::lonnet::appenv(%moreenv);
1053: &Apache::lonnet::delenv('form.counter');
1054: &Apache::lonxml::init_counter();
1055: $resources_printed .= $currentURL.':';
1056: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1057: &Apache::lonnet::delenv('form.counter');
1058: &Apache::lonnet::delenv('request.filename');
1059: }
1060: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1061: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1062: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1063: $form{'grade_target'}='answer';
1064: $form{'answer_output_mode'}='tex';
1065: $form{'rndseed'}=$rndseed;
1066: $resources_printed .= $currentURL.':';
1067: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1068: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1069: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1070: } else {
1071: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1072: if ($helper->{'VARS'}->{'construction'} ne '1') {
1073: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1074: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1075: } else {
1076: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1077: my $URLpath=$cleanURL;
1078: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1079: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1080: }
1081: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1082: }
1083: }
1084: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1085: $texversion=&IndexCreation($texversion,$currentURL);
1086: }
1087: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1088: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1089:
1090: }
1091: $result .= $texversion;
1092: if ($currentURL=~m/\.page\s*$/) {
1093: ($result,$number_of_columns) = &page_cleanup($result);
1094: }
1095: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1096: #printing content of sequence from the construction space
1097: my $flag_latex_header_remove = 'NO';
1098: my $rndseed=time;
1099: if ($helper->{'VARS'}->{'curseed'}) {
1100: $rndseed=$helper->{'VARS'}->{'curseed'};
1101: }
1102: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1103: my $errtext=&Apache::lonratedt::mapread($currentURL);
1104: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
1105: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
1106: my $urlp=$2;
1107: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1108: my $texversion='';
1109: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1110: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1111: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1112: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1113: $form{'rndseed'}=$rndseed;
1114: $resources_printed .=$urlp.':';
1115: $texversion=&Apache::lonnet::ssi($urlp,%form);
1116: }
1117: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1118: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1119: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1120: # Don't permanently modify %$form...
1121: my %answerform = %form;
1122: $answerform{'grade_target'}='answer';
1123: $answerform{'answer_output_mode'}='tex';
1124: $answerform{'rndseed'}=$rndseed;
1125: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1126: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1127: $resources_printed .= $urlp.':';
1128: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1129: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1130: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1131: } else {
1132: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1133: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1134: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
1135: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1136: }
1137: }
1138: if ($flag_latex_header_remove ne 'NO') {
1139: $texversion = &latex_header_footer_remove($texversion);
1140: } else {
1141: $texversion =~ s/\\end{document}//;
1142: }
1143: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1144: $texversion=&IndexCreation($texversion,$urlp);
1145: }
1146: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1147: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1148: }
1149: $result.=$texversion;
1150: $flag_latex_header_remove = 'YES';
1151: } elsif ($urlp=~/\.(sequence|page)$/) {
1152: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1153: }
1154: }
1155: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1156: $result .= '\end{document}';
1157: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1158: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1159: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1160: $resources_printed .= $currentURL.':';
1161: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1162: $result .= $texversion;
1163: } else {
1164: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1165: }
1166: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1167: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1168: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1169: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1170: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1171: #-- produce an output string
1172: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1173: $selectionmade = 2;
1174: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1175: $selectionmade = 3;
1176: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1177: $selectionmade = 4;
1178: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1179: $selectionmade = 4;
1180: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1181: $selectionmade = 7;
1182: }
1183: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1184: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1185: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1186: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1187: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1188: my $flag_latex_header_remove = 'NO';
1189: my $flag_page_in_sequence = 'NO';
1190: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1191: my $prevassignment='';
1192: &Apache::lonnet::delenv('form.counter');
1193: &Apache::lonxml::init_counter();
1194: for (my $i=0;$i<=$#master_seq;$i++) {
1195:
1196: # Note due to document structure, not allowed to put \newpage
1197: # prior to the first resource
1198:
1199: if (defined $page_breaks{$master_seq[$i]}) {
1200: if($i != 0) {
1201: $result.="\\newpage\n";
1202: }
1203: }
1204: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1205: $urlp=&Apache::lonnet::clutter($urlp);
1206: $form{'symb'}=$master_seq[$i];
1207: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
1208: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1209: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1210: if ($i==0) {$prevassignment=$assignment;}
1211: my $texversion='';
1212: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1213: $resources_printed .= $urlp.':';
1214: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1215: if ($urlp=~/\.page$/) {
1216: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1217: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1218: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1219: $flag_page_in_sequence = 'YES';
1220: }
1221: my $lonidsdir=$r->dir_config('lonIDsDir');
1222: my $envfile=$env{'user.environment'};
1223: $envfile=~/\/([^\/]+)\.id$/;
1224: $envfile=$1;
1225: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1226: my $current_counter=$env{'form.counter'};
1227: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1228: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1229: # Don't permanently pervert the %form hash
1230: my %answerform = %form;
1231: $answerform{'grade_target'}='answer';
1232: $answerform{'answer_output_mode'}='tex';
1233: $resources_printed .= $urlp.':';
1234: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1235: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1236: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1237: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1238: } else {
1239: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1240: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1241: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
1242: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1243: $texversion.='\vskip 1 mm '.$answer;
1244: } else {
1245: $texversion='';
1246: }
1247: }
1248: }
1249: if ($flag_latex_header_remove ne 'NO') {
1250: $texversion = &latex_header_footer_remove($texversion);
1251: } else {
1252: $texversion =~ s/\\end{document}//;
1253: }
1254: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1255: $texversion=&IndexCreation($texversion,$urlp);
1256: }
1257: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1258: my $name = &get_name();
1259: my $courseidinfo = &get_course();
1260: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1261: $prevassignment=$assignment;
1262: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1263: }
1264: $result .= $texversion;
1265: $flag_latex_header_remove = 'YES';
1266: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1267: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1268: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1269: $resources_printed .= $urlp.':';
1270: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1271: if ($flag_latex_header_remove ne 'NO') {
1272: $texversion = &latex_header_footer_remove($texversion);
1273: } else {
1274: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1275: }
1276: $result .= $texversion;
1277: $flag_latex_header_remove = 'YES';
1278: } else {
1279: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1280: if ($flag_latex_header_remove ne 'NO') {
1281: $texversion = &latex_header_footer_remove($texversion);
1282: } else {
1283: $texversion =~ s/\\end{document}//;
1284: }
1285: $result .= $texversion;
1286: $flag_latex_header_remove = 'YES';
1287: }
1288: if (&Apache::loncommon::connection_aborted($r)) { last; }
1289: }
1290: &Apache::lonnet::delenv('form.counter');
1291: if ($flag_page_in_sequence eq 'YES') {
1292: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1293: }
1294: $result .= '\end{document}';
1295: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1296: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1297:
1298:
1299: #-- prints assignments for whole class or for selected students
1300: my $type;
1301: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1302: $selectionmade=5;
1303: $type='problems';
1304: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1305: $selectionmade=8;
1306: $type='resources';
1307: }
1308: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1309: # The normal sort order is by section then by students within the
1310: # section. If the helper var student_sort is 1, then the user has elected
1311: # to override this and output the students by name.
1312: # Each element of the students array is of the form:
1313: # username:domain:section:last, first:status
1314: #
1315: #
1316: if ($helper->{'VARS'}->{'student_sort'} eq 1) {
1317: @students = sort compare_names @students;
1318: }
1319: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1320: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1321: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1322: }
1323: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1324:
1325: #loop over students
1326: my $flag_latex_header_remove = 'NO';
1327: my %moreenv;
1328: $moreenv{'instructor_comments'}='hide';
1329: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1330: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1331: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1332: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1333: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1334: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1335: my $student_counter=-1;
1336: foreach my $person (@students) {
1337:
1338: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1339: if (-e $duefile) {
1340: my $temp_file = Apache::File->new('>>'.$duefile);
1341: print $temp_file "1969\n";
1342: }
1343: $student_counter++;
1344: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1345: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1346: $person,$type,
1347: \%moreenv,\@master_seq,
1348: $flag_latex_header_remove,
1349: $LaTeXwidth);
1350: $resources_printed .= ":";
1351: $print_array[$i].=$output;
1352: $student_names[$i].=$person.':'.$fullname.'_END_';
1353: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1354: $flag_latex_header_remove = 'YES';
1355: if (&Apache::loncommon::connection_aborted($r)) { last; }
1356: }
1357: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1358: $result .= $print_array[0].' \end{document}';
1359: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1360: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1361: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1362: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1363: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1364: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1365: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1366: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1367: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1368:
1369: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1370: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1371: my ($code_type,$code_length)=('letter',6);
1372: foreach my $line (<FH>) {
1373: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1374: if ($name eq $code_option) {
1375: $code_length=$length;
1376: if ($type eq 'number') { $code_type = 'number'; }
1377: }
1378: }
1379: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1380: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1381: my $seed=time+($$<<16)+($$);
1382: my @allcodes;
1383: if ($old_name) {
1384: my %result=&Apache::lonnet::get('CODEs',
1385: [$old_name,"type\0$old_name"],
1386: $cdom,$cnum);
1387: $code_type=$result{"type\0$old_name"};
1388: @allcodes=split(',',$result{$old_name});
1389: $num_todo=scalar(@allcodes);
1390: } elsif ($selected_code) { # Selection value is always numeric.
1391: $num_todo = 1;
1392: @allcodes = ($selected_code);
1393: } elsif ($single_code) {
1394:
1395: $num_todo = 1; # Unconditionally one code to do.
1396: # If an alpha code have to convert to numbers so it can be
1397: # converted back to letters again :-)
1398: #
1399: if ($code_type ne 'number') {
1400: $single_code = &letters_to_num($single_code);
1401: }
1402: @allcodes = ($single_code);
1403: } else {
1404: my %allcodes;
1405: srand($seed);
1406: for (my $i=0;$i<$num_todo;$i++) {
1407: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1408: $code_type);
1409: }
1410: if ($code_name) {
1411: &Apache::lonnet::put('CODEs',
1412: {
1413: $code_name =>join(',',keys(%allcodes)),
1414: "type\0$code_name" => $code_type
1415: },
1416: $cdom,$cnum);
1417: }
1418: @allcodes=keys(%allcodes);
1419: }
1420: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1421: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1422: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1423: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1424: $number_per_page=$num_todo;
1425: }
1426: my $flag_latex_header_remove = 'NO';
1427: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1428: my $count=0;
1429: foreach my $code (sort(@allcodes)) {
1430: my $file_num=int($count/$number_per_page);
1431: if ($code_type eq 'number') {
1432: $moreenv{'CODE'}=$code;
1433: } else {
1434: $moreenv{'CODE'}=&num_to_letters($code);
1435: }
1436: my ($output,$fullname, $printed)=
1437: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1438: \@master_seq,$flag_latex_header_remove,
1439: $LaTeXwidth);
1440: $resources_printed .= ":";
1441: $print_array[$file_num].=$output;
1442: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1443: &mt('last assignment').' '.$fullname);
1444: $flag_latex_header_remove = 'YES';
1445: $count++;
1446: if (&Apache::loncommon::connection_aborted($r)) { last; }
1447: }
1448: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1449: $result .= $print_array[0].' \end{document}';
1450: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1451: #prints selected problems from the subdirectory
1452: $selectionmade = 6;
1453: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1454: @list_of_files=sort @list_of_files;
1455: my $flag_latex_header_remove = 'NO';
1456: my $rndseed=time;
1457: if ($helper->{'VARS'}->{'curseed'}) {
1458: $rndseed=$helper->{'VARS'}->{'curseed'};
1459: }
1460: for (my $i=0;$i<=$#list_of_files;$i++) {
1461: my $urlp = $list_of_files[$i];
1462: $urlp=~s|//|/|;
1463: if ($urlp=~/\//) {
1464: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1465: $form{'rndseed'}=$rndseed;
1466: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1467: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1468: } else {
1469: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1470: }
1471: $resources_printed .= $urlp.':';
1472: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1473: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1474: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1475: # Don't permanently pervert %form:
1476: my %answerform = %form;
1477: $answerform{'grade_target'}='answer';
1478: $answerform{'answer_output_mode'}='tex';
1479: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1480: $answerform{'rndseed'}=$rndseed;
1481: $resources_printed .= $urlp.':';
1482: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1483: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1484: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1485: } else {
1486: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1487: if ($helper->{'VARS'}->{'construction'} ne '1') {
1488: $texversion.='\vskip 0 mm \noindent ';
1489: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1490: } else {
1491: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1492: my $URLpath=$urlp;
1493: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1494: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1495: }
1496: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1497: }
1498: }
1499: #this chunck is responsible for printing the path to problem
1500: my $newurlp=$urlp;
1501: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1502: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1503: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1504: if ($flag_latex_header_remove ne 'NO') {
1505: $texversion = &latex_header_footer_remove($texversion);
1506: } else {
1507: $texversion =~ s/\\end{document}//;
1508: }
1509: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1510: $texversion=&IndexCreation($texversion,$urlp);
1511: }
1512: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1513: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1514:
1515: }
1516: $result .= $texversion;
1517: }
1518: $flag_latex_header_remove = 'YES';
1519: }
1520: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1521: $result .= '\end{document}';
1522: }
1523: #-------------------------------------------------------- corrections for the different page formats
1524: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1525: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1526: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1527: #changes page's parameters for the one column output
1528: if ($numberofcolumns == 1) {
1529: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1530: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1531: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1532: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1533: }
1534:
1535: #-- writing .tex file in prtspool
1536: my $temp_file;
1537: my $identifier = &Apache::loncommon::get_cgi_id();
1538: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1539: if (!($#print_array>0)) {
1540: unless ($temp_file = Apache::File->new('>'.$filename)) {
1541: $r->log_error("Couldn't open $filename for output $!");
1542: return SERVER_ERROR;
1543: }
1544: print $temp_file $result;
1545: my $begin=index($result,'\begin{document}',0);
1546: my $inc=substr($result,0,$begin+16);
1547: } else {
1548: my $begin=index($result,'\begin{document}',0);
1549: my $inc=substr($result,0,$begin+16);
1550: for (my $i=0;$i<=$#print_array;$i++) {
1551: if ($i==0) {
1552: $print_array[$i]=$result;
1553: } else {
1554: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1555: substr($print_array[$i],0,$anobegin)='';
1556: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1557: }
1558: my $temp_file;
1559: my $newfilename=$filename;
1560: my $num=$i+1;
1561: $newfilename =~s/\.tex$//;
1562: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1563: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1564: $r->log_error("Couldn't open $newfilename for output $!");
1565: return SERVER_ERROR;
1566: }
1567: print $temp_file $print_array[$i];
1568: }
1569: }
1570: my $student_names='';
1571: if ($#print_array>0) {
1572: for (my $i=0;$i<=$#print_array;$i++) {
1573: $student_names.=$student_names[$i].'_ENDPERSON_';
1574: }
1575: } else {
1576: if ($#student_names>-1) {
1577: $student_names=$student_names[0].'_ENDPERSON_';
1578: } else {
1579: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1580: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1581: $env{'request.course.sec'},$fullname).
1582: '_ENDPERSON_'.'_END_';
1583: }
1584: }
1585:
1586: my $URLback=''; #link to original document
1587: if ($helper->{'VARS'}->{'construction'} ne '1') {
1588: #prints published resource
1589: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1590: } else {
1591: #prints resource from the construction space
1592: $URLback='/'.$helper->{'VARS'}->{'filename'};
1593: if ($URLback=~/([^?]+)/) {
1594: $URLback=$1;
1595: $URLback=~s|^/~|/priv/|;
1596: }
1597: }
1598: # logic for now is too complex to trace if this has been defined
1599: # yet.
1600: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1601: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1602: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1603: 'cgi.'.$identifier.'.layout' => $laystyle,
1604: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1605: 'cgi.'.$identifier.'.paper' => $papersize,
1606: 'cgi.'.$identifier.'.selection' => $selectionmade,
1607: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1608: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1609: 'cgi.'.$identifier.'.role' => $env{'request.role.adv'},
1610: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1611: 'cgi.'.$identifier.'.studentnames' => $student_names,
1612: 'cgi.'.$identifier.'.backref' => $URLback,);
1613: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1614: "cgi.$identifier.domain" => $env{'user.domain'},
1615: "cgi.$identifier.courseid" => $cnum,
1616: "cgi.$identifier.coursedom" => $cdom,
1617: "cgi.$identifier.resources" => $resources_printed);
1618:
1619: $r->print(<<FINALEND);
1620: <br />
1621: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1622: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1623: </body>
1624: </html>
1625: FINALEND
1626: }
1627:
1628:
1629: sub get_CODE {
1630: my ($all_codes,$num,$seed,$size,$type)=@_;
1631: my $max='1'.'0'x$size;
1632: my $newcode;
1633: while(1) {
1634: $newcode=sprintf("%0".$size."d",int(rand($max)));
1635: if (!exists($$all_codes{$newcode})) {
1636: $$all_codes{$newcode}=1;
1637: if ($type eq 'number' ) {
1638: return $newcode;
1639: } else {
1640: return &num_to_letters($newcode);
1641: }
1642: }
1643: }
1644: }
1645:
1646: sub print_resources {
1647: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1648: $LaTeXwidth)=@_;
1649: my $current_output = '';
1650: my $printed = '';
1651: my ($username,$userdomain,$usersection) = split /:/,$person;
1652: my $fullname = &get_name($username,$userdomain);
1653: my $namepostfix;
1654: if ($person =~ 'anon') {
1655: $namepostfix="\\\\Name: ";
1656: $fullname = "CODE - ".$moreenv->{'CODE'};
1657: }
1658: my $i = 0;
1659: #goes through all resources, checks if they are available for
1660: #current student, and produces output
1661: &Apache::lonnet::delenv('form.counter');
1662: &Apache::lonxml::init_counter();
1663:
1664: my %page_breaks = &get_page_breaks($helper);
1665:
1666: foreach my $curresline (@{$master_seq}) {
1667: if (defined $page_breaks{$curresline}) {
1668: if($i != 0) {
1669: $current_output.= "\\newpage\n";
1670: }
1671: }
1672: $i++;
1673: if ( !($type eq 'problems' &&
1674: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1675: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1676: if (&Apache::lonnet::allowed('bre',$res_url)) {
1677: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1678: $printed .= $curresline.':';
1679: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1680: my $lonidsdir=$r->dir_config('lonIDsDir');
1681: my $envfile=$env{'user.environment'};
1682: $envfile=~/\/([^\/]+)\.id$/;
1683: $envfile=$1;
1684: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1685: my $current_counter=$env{'form.counter'};
1686: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1687: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1688: # Use a copy of the hash so we don't pervert it on future loop passes.
1689: my %answerenv = %{$moreenv};
1690: $answerenv{'answer_output_mode'}='tex';
1691: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1692: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1693: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1694: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1695: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1696: } else {
1697: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1698: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1699: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1700: $rendered.='\vskip 1 mm '.$ansrendered;
1701: }
1702: }
1703: if ($remove_latex_header eq 'YES') {
1704: $rendered = &latex_header_footer_remove($rendered);
1705: } else {
1706: $rendered =~ s/\\end{document}//;
1707: }
1708: $current_output .= $rendered;
1709: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1710: $printed .= $curresline.':';
1711: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1712: my $lonidsdir=$r->dir_config('lonIDsDir');
1713: my $envfile=$env{'user.environment'};
1714: $envfile=~/\/([^\/]+)\.id$/;
1715: $envfile=$1;
1716: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1717: my $current_counter=$env{'form.counter'};
1718: if ($remove_latex_header eq 'YES') {
1719: $rendered = &latex_header_footer_remove($rendered);
1720: } else {
1721: $rendered =~ s/\\end{document}//;
1722: }
1723: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1724: } else {
1725: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1726: if ($remove_latex_header ne 'NO') {
1727: $rendered = &latex_header_footer_remove($rendered);
1728: } else {
1729: $rendered =~ s/\\end{document}//;
1730: }
1731: $current_output .= $rendered;
1732: }
1733: }
1734: $remove_latex_header = 'YES';
1735: }
1736: if (&Apache::loncommon::connection_aborted($r)) { last; }
1737: }
1738: my $courseidinfo = &get_course();
1739: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1740: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1741: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1742: if ($current_output=~/\\documentclass/) {
1743: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1744: } else {
1745: my $blankpages = '';
1746: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1747: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1748: }
1749: return ($current_output,$fullname, $printed);
1750:
1751: }
1752:
1753: sub handler {
1754:
1755: my $r = shift;
1756: my $helper;
1757:
1758: # my $loaderror=&Apache::lonnet::overloaderror($r);
1759: # if ($loaderror) { return $loaderror; }
1760: # $loaderror=
1761: # &Apache::lonnet::overloaderror($r,
1762: # $env{'course.'.$env{'request.course.id'}.'.home'});
1763: # if ($loaderror) { return $loaderror; }
1764:
1765: my $result = printHelper($r);
1766: if (!ref($result)) {
1767: return $result;
1768: }
1769: $helper = $result;
1770:
1771: # my $key;
1772: # foreach $key (keys %{$helper->{'VARS'}}) {
1773: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1774: # }
1775: # foreach $key (keys %env) {
1776: # $r->print(' '.$key.'->'.$env{$key}.'<-<br />');
1777: # }
1778: # return OK;
1779:
1780: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1781:
1782: # my $key;
1783: # foreach $key (keys %parmhash) {
1784: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1785: # }
1786: #
1787:
1788:
1789: # If a figure conversion queue file exists for this user.domain
1790: # we delete it since it can only be bad (if it were good, printout.pl
1791: # would have deleted it the last time around.
1792:
1793: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1794: if(-e $conversion_queuefile) {
1795: unlink $conversion_queuefile;
1796: }
1797: &output_data($r,$helper,\%parmhash);
1798: return OK;
1799: }
1800:
1801: use Apache::lonhelper;
1802:
1803: sub addMessage {
1804: my $text = shift;
1805: my $paramHash = Apache::lonhelper::getParamHash();
1806: $paramHash->{MESSAGE_TEXT} = $text;
1807: Apache::lonhelper::message->new();
1808: }
1809:
1810: use Data::Dumper;
1811:
1812: sub printHelper {
1813: my $r = shift;
1814:
1815: if ($r->header_only) {
1816: if ($env{'browser.mathml'}) {
1817: &Apache::loncommon::content_type($r,'text/xml');
1818: } else {
1819: &Apache::loncommon::content_type($r,'text/html');
1820: }
1821: $r->send_http_header;
1822: return OK;
1823: }
1824:
1825: # Send header, nocache
1826: if ($env{'browser.mathml'}) {
1827: &Apache::loncommon::content_type($r,'text/xml');
1828: } else {
1829: &Apache::loncommon::content_type($r,'text/html');
1830: }
1831: &Apache::loncommon::no_cache($r);
1832: $r->send_http_header;
1833: $r->rflush();
1834:
1835: # Unfortunately, this helper is so complicated we have to
1836: # write it by hand
1837:
1838: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1839:
1840: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1841: $helper->declareVar('symb');
1842: $helper->declareVar('postdata');
1843: $helper->declareVar('curseed');
1844: $helper->declareVar('probstatus');
1845: $helper->declareVar('filename');
1846: $helper->declareVar('construction');
1847: $helper->declareVar('assignment');
1848: $helper->declareVar('style_file');
1849: $helper->declareVar('student_sort');
1850: $helper->declareVar('FINISHPAGE');
1851: $helper->declareVar('PRINT_TYPE');
1852: $helper->declareVar("showallfoils");
1853:
1854: # The page breaks can get loaded initially from the course environment:
1855:
1856: if((!defined($env{"form.CURRENT_STATE"})) ||
1857: ($env{'form.CURRENT_STATE'} == "START")) {
1858: $helper->{VARS}->{FINISHPAGE} = ""; # In case they did a back e.g.
1859: }
1860:
1861:
1862:
1863: &Apache::loncommon::restore_course_settings('print',
1864: {'pagebreaks' => 'scalar',
1865: 'lastprinttype' => 'scalar'});
1866:
1867:
1868: if("$helper->{VARS}->{PRINT_TYPE}" eq "$env{'form.lastprinttype'}") {
1869: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1870: }
1871:
1872:
1873: # This will persistently load in the data we want from the
1874: # very first screen.
1875: # Detect whether we're coming from construction space
1876: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1877: $helper->{VARS}->{'filename'} = "~$1/$2";
1878: $helper->{VARS}->{'construction'} = 1;
1879: } else {
1880: if ($env{'form.postdata'}) {
1881: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1882: }
1883: if ($env{'form.symb'}) {
1884: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1885: }
1886: if ($env{'form.url'}) {
1887: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1888: }
1889: }
1890:
1891: if ($env{'form.symb'}) {
1892: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1893: }
1894: if ($env{'form.url'}) {
1895: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1896:
1897: }
1898: $helper->{VARS}->{'symb'}=
1899: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1900: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1901: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1902:
1903:
1904: # Extract map
1905: my $symb = $helper->{VARS}->{'symb'};
1906: my ($map, $id, $url);
1907: my $subdir;
1908:
1909: # Get the resource name from construction space
1910: if ($helper->{VARS}->{'construction'}) {
1911: $resourceTitle = substr($helper->{VARS}->{'filename'},
1912: rindex($helper->{VARS}->{'filename'}, '/')+1);
1913: $subdir = substr($helper->{VARS}->{'filename'},
1914: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1915: } else {
1916: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1917: $helper->{VARS}->{'postdata'} =
1918: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1919:
1920: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1921: my $postdata = $helper->{VARS}->{'postdata'};
1922: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1923: }
1924: $subdir = &Apache::lonnet::filelocation("", $url);
1925: }
1926: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
1927: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1928: }
1929: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1930: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
1931: }
1932:
1933: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1934: my $userPriviledged = ($env{'request.role'}=~m/^cc\./ or
1935: $env{'request.role'}=~m/^in\./ or
1936: $env{'request.role'}=~m/^ta\./);
1937:
1938: Apache::lonhelper::registerHelperTags();
1939:
1940: # "Delete everything after the last slash."
1941: $subdir =~ s|/[^/]+$||;
1942: if (not $helper->{VARS}->{'construction'}) {
1943: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1944: }
1945: # "Remove all duplicate slashes."
1946: $subdir =~ s|/+|/|g;
1947:
1948: # What can be printed is a very dynamic decision based on
1949: # lots of factors. So we need to dynamically build this list.
1950: # To prevent security leaks, states are only added to the wizard
1951: # if they can be reached, which ensures manipulating the form input
1952: # won't allow anyone to reach states they shouldn't have permission
1953: # to reach.
1954:
1955: # printChoices is tracking the kind of printing the user can
1956: # do, and will be used in a choices construction later.
1957: # In the meantime we will be adding states and elements to
1958: # the helper by hand.
1959: my $printChoices = [];
1960: my $paramHash;
1961:
1962: if ($resourceTitle) {
1963: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1964: }
1965:
1966: # Useful filter strings
1967: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1968: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1969: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
1970: my $isNotMap = '!$res->is_sequence()';
1971: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1972: my $isMap = '$res->is_map()';
1973: my $symbFilter = '$res->shown_symb()';
1974: my $urlValue = '$res->link()';
1975:
1976: $helper->declareVar('SEQUENCE');
1977:
1978: # Useful for debugging: Dump the help vars
1979: # $r->print(Dumper($helper->{VARS}));
1980: # $r->print($map);
1981:
1982: # If we're in a sequence...
1983: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1984:
1985: $helper->{VARS}->{'postdata'} &&
1986: $helper->{VARS}->{'assignment'}) {
1987: # Allow problems from sequence
1988: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1989: # Allow all resources from sequence
1990: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1991:
1992: my $helperFragment = <<HELPERFRAGMENT;
1993: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1994: <message>(mark them then click "next" button) <br /></message>
1995: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1996: closeallpages="1">
1997: <nextstate>PAGESIZE</nextstate>
1998: <filterfunc>return $isProblem;</filterfunc>
1999: <mapurl>$map</mapurl>
2000: <valuefunc>return $symbFilter;</valuefunc>
2001: <option text='Newpage' variable='FINISHPAGE' />
2002: </resource>
2003: </state>
2004:
2005: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2006: <message>(mark them then click "next" button) <br /></message>
2007: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2008: closeallpages="1">
2009: <nextstate>PAGESIZE</nextstate>
2010: <filterfunc>return $isNotMap;</filterfunc>
2011: <mapurl>$map</mapurl>
2012: <valuefunc>return $symbFilter;</valuefunc>
2013: <option text='Newpage' variable='FINISHPAGE' />
2014: </resource>
2015: </state>
2016: HELPERFRAGMENT
2017:
2018: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2019: }
2020:
2021: # If the user is privileged, allow them to print all
2022: # problems and resources in the entier course, optionally for selected students
2023: if ($userPriviledged &&
2024: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2025:
2026: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2027: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2028: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2029: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2030: <message>(mark them then click "next" button) <br /></message>
2031: <resource variable="RESOURCES" toponly='0' multichoice="1"
2032: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2033: <nextstate>PAGESIZE</nextstate>
2034: <filterfunc>return $isProblemOrMap;</filterfunc>
2035: <choicefunc>return $isNotMap;</choicefunc>
2036: <valuefunc>return $symbFilter;</valuefunc>
2037: <option text='Newpage' variable='FINISHPAGE' />
2038: </resource>
2039: </state>
2040: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2041: <message>(Mark them then click "next" button) <br /> </message>
2042: <resource variable="RESOURCES" toponly='0' multichoice='1'
2043: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2044: <nextstate>PAGESIZE</nextstate>
2045: <filterfunc>return $isNotMap; </filterfunc>
2046: <valuefunc>return $symbFilter;</valuefunc>
2047: <option text='NewPage' variable='FINISHPAGE' />
2048: </resource>
2049: </state>
2050: ALL_PROBLEMS
2051:
2052: if ($helper->{VARS}->{'assignment'}) {
2053: 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'];
2054: 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'];
2055: }
2056: my $resource_selector=<<RESOURCE_SELECTOR;
2057: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2058: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2059: closeallpages="1">
2060: <filterfunc>return $isProblem;</filterfunc>
2061: <mapurl>$map</mapurl>
2062: <valuefunc>return $symbFilter;</valuefunc>
2063: <option text='New Page' variable='FINISHPAGE' />
2064: </resource>
2065: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2066: <choices variable="EMPTY_PAGES">
2067: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2068: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2069: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2070: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2071: </choices>
2072: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2073: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2074: RESOURCE_SELECTOR
2075:
2076: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2077: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2078: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
2079: <message><b>Select sort order</b> </message>
2080: <choices variable='student_sort'>
2081: <choice computer='0'>Sort by section then student</choice>
2082: <choice computer='1'>Sort by students across sections.</choice>
2083: </choices>
2084: $resource_selector
2085: </state>
2086: CHOOSE_STUDENTS
2087:
2088: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2089: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2090: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2091: my $namechoice='<choice></choice>';
2092: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2093: if ($name =~ /^error: 2 /) { next; }
2094: if ($name =~ /^type\0/) { next; }
2095: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2096: }
2097:
2098:
2099: my %all_codes = &Apache::lonnet::get('CODEs',
2100: \@names, $cdom,$cnum);
2101: my %code_values;
2102: my @all_code_array;
2103: foreach my $key (keys %all_codes) {
2104: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
2105: foreach my $key (keys %code_values) {
2106: push (@all_code_array, "$key");
2107: }
2108: }
2109:
2110: my $code_selection = "<choice></choice>\n";
2111: foreach my $code (sort {uc($a) cmp uc($b)} @all_code_array) {
2112: my $choice = $code;
2113: if ($code =~ /^[A-Z]+$/) { # Alpha code
2114: $choice = &letters_to_num($code);
2115: }
2116: $code_selection .= ' <choice computer="'.$choice.'">'.$code."</choice>\n";
2117: }
2118: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2119: my $codechoice='';
2120: foreach my $line (<FH>) {
2121: my ($name,$description,$code_type,$code_length)=
2122: (split(/:/,$line))[0,1,2,4];
2123: if ($code_length > 0 &&
2124: $code_type =~/^(letter|number|-1)/) {
2125: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2126: }
2127: }
2128: if ($codechoice eq '') {
2129: $codechoice='<choice computer="default">Default</choice>';
2130: }
2131: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2132: <state name="CHOOSE_ANON1" title="Select Students and Resources">
2133: <nextstate>PAGESIZE</nextstate>
2134: <message><hr width='33%' /></message>
2135: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2136: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2137: <validator>
2138: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2139: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2140: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2141: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2142: return "You need to specify the number of assignments to print";
2143: }
2144: return undef;
2145: </validator>
2146: </string>
2147: <message></td></tr><tr><td></message>
2148: <message><b>Value of CODE to print?</b></td><td></message>
2149: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2150: <validator>
2151: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2152: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2153: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2154: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2155: \$helper->{'VARS'}{'CODE_OPTION'});
2156: } else {
2157: return undef; # Other forces control us.
2158: }
2159: </validator>
2160: </string>
2161: <message></td></tr><tr><td></message>
2162: <message><b>Choose single code from list</b></message>
2163: <message></td><td></message>
2164: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2165: $code_selection
2166: </dropdown>
2167: <message></td></tr><tr><td></message>
2168: <message><b>Names to store the CODEs under for later:</b></message>
2169: <message></td><td></message>
2170: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2171: <message></td></tr><tr><td></message>
2172: <message><b>Bubble sheet type:</b></message>
2173: <message></td><td></message>
2174: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2175: $codechoice
2176: </dropdown>
2177: <message></td></tr></table></message>
2178: <message><hr width='33%' /></message>
2179: <message><b>Reprint a set of saved CODEs:</b></message>
2180: <dropdown variable="REUSE_OLD_CODES">
2181: $namechoice
2182: </dropdown>
2183: <message><hr width='33%' /></message>
2184: $resource_selector
2185: </state>
2186: CHOOSE_ANON1
2187:
2188:
2189: if ($helper->{VARS}->{'assignment'}) {
2190: 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'];
2191: 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'];
2192: }
2193:
2194:
2195: $resource_selector=<<RESOURCE_SELECTOR;
2196: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2197: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2198: closeallpages="1">
2199: <filterfunc>return $isNotMap;</filterfunc>
2200: <mapurl>$map</mapurl>
2201: <valuefunc>return $symbFilter;</valuefunc>
2202: <option text='Newpage' variable='FINISHPAGE' />
2203: </resource>
2204: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2205: <choices variable="EMPTY_PAGES">
2206: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2207: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2208: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2209: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2210: </choices>
2211: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2212: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2213: RESOURCE_SELECTOR
2214:
2215: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2216: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2217: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
2218: <choices variable='student_sort'>
2219: <choice computer='0'>Sort by section then student</choice>
2220: <choice computer='1'>Sort by students across sections.</choice>
2221: </choices>
2222:
2223: $resource_selector
2224: </state>
2225: CHOOSE_STUDENTS1
2226:
2227: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2228: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2229: <nextstate>PAGESIZE</nextstate>
2230: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2231: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2232: <validator>
2233: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2234: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2235: !\$helper->{'VARS'}{'SINGLE_CODE'} &&
2236: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2237: return "You need to specify the number of assignments to print";
2238: }
2239: return undef;
2240: </validator>
2241: </string>
2242: <message></td></tr><tr><td></message>
2243: <message><b>Value of CODE to print?</b></td><td></message>
2244: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2245: <validator>
2246: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2247: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2248: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
2249: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2250: \$helper->{'VARS'}{'CODE_OPTION'});
2251: } else {
2252: return undef; # Other forces control us.
2253: }
2254: </validator>
2255: </string>
2256: <message></td></tr><tr><td></message>
2257: <message><b>Choose single code from list</b></message>
2258: <message></td><td></message>
2259: <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
2260: $code_selection
2261: </dropdown>
2262: <message></td></tr><tr><td></message>
2263: <message><b>Names to store the CODEs under for later:</b></message>
2264: <message></td><td></message>
2265: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2266: <message></td></tr><tr><td></message>
2267: <message><b>Bubble sheet type:</b></message>
2268: <message></td><td></message>
2269: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2270: $codechoice
2271: </dropdown>
2272: <message></td></tr></table></message>
2273: <message><hr width='33%' /></message>
2274: <message><b>Reprint a set of saved CODEs:</b></message>
2275: <dropdown variable="REUSE_OLD_CODES">
2276: $namechoice
2277: </dropdown>
2278: <message><hr width='33%' /></message>
2279: $resource_selector
2280: </state>
2281: CHOOSE_ANON2
2282: }
2283:
2284: # FIXME: That RE should come from a library somewhere.
2285: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2286: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2287:
2288: my $f = '$filename';
2289: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2290: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2291: <message>(mark them then click "next" button) <br /></message>
2292: <files variable="FILES" multichoice='1'>
2293: <nextstate>PAGESIZE</nextstate>
2294: <filechoice>return '$subdir';</filechoice>
2295: CHOOSE_FROM_SUBDIR
2296:
2297: # this is broken up because I really want interpolation above,
2298: # and I really DON'T want it below
2299: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2300: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2301: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2302: </filefilter>
2303: </files>
2304: </state>
2305: CHOOSE_FROM_SUBDIR
2306: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2307: }
2308:
2309: # Allow the user to select any sequence in the course, feed it to
2310: # another resource selector for that sequence
2311: if (!$helper->{VARS}->{'construction'}) {
2312: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
2313: 'select_sequences', 'CHOOSE_SEQUENCE'];
2314: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2315: #Escape apostrophes and backslashes for Perl
2316: $escapedSequenceName =~ s/\\/\\\\/g;
2317: $escapedSequenceName =~ s/'/\\'/g;
2318: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2319: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2320: <message>Select the sequence to print resources from:</message>
2321: <resource variable="SEQUENCE">
2322: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2323: <filterfunc>return \$res->is_sequence;</filterfunc>
2324: <valuefunc>return $urlValue;</valuefunc>
2325: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
2326: </choicefunc>
2327: <option text='Newpage' variable='FINISHPAGE' />
2328: </resource>
2329: </state>
2330: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2331: <message>(mark desired resources then click "next" button) <br /></message>
2332: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2333: closeallpages="1">
2334: <nextstate>PAGESIZE</nextstate>
2335: <filterfunc>return $isProblem</filterfunc>
2336: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2337: <valuefunc>return $symbFilter;</valuefunc>
2338: <option text='Newpage' variable='FINISHPAGE' />
2339: </resource>
2340: </state>
2341: CHOOSE_FROM_ANY_SEQUENCE
2342: }
2343:
2344: # Generate the first state, to select which resources get printed.
2345: Apache::lonhelper::state->new("START", "Select Printing Options:");
2346: $paramHash = Apache::lonhelper::getParamHash();
2347: $paramHash->{MESSAGE_TEXT} = "";
2348: Apache::lonhelper::message->new();
2349: $paramHash = Apache::lonhelper::getParamHash();
2350: $paramHash->{'variable'} = 'PRINT_TYPE';
2351: $paramHash->{CHOICES} = $printChoices;
2352: Apache::lonhelper::choices->new();
2353:
2354: my $startedTable = 0; # have we started an HTML table yet? (need
2355: # to close it later)
2356:
2357: if (($env{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2358: ($helper->{VARS}->{'construction'} eq '1')) {
2359: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2360: $paramHash = Apache::lonhelper::getParamHash();
2361: $paramHash->{'variable'} = 'ANSWER_TYPE';
2362: $helper->declareVar('ANSWER_TYPE');
2363: $paramHash->{CHOICES} = [
2364: ['Without Answers', 'yes'],
2365: ['With Answers', 'no'],
2366: ['Only Answers', 'only']
2367: ];
2368: Apache::lonhelper::dropdown->new();
2369: addMessage("</td></tr>");
2370: $startedTable = 1;
2371: }
2372:
2373: if ($env{'request.role.adv'}) {
2374: if (!$startedTable) {
2375: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2376: $startedTable = 1;
2377: } else {
2378: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2379: }
2380: $paramHash = Apache::lonhelper::getParamHash();
2381: $paramHash->{'variable'} = 'LATEX_TYPE';
2382: $helper->declareVar('LATEX_TYPE');
2383: if ($helper->{VARS}->{'construction'} eq '1') {
2384: $paramHash->{CHOICES} = [
2385: ['standard LaTeX mode', 'standard'],
2386: ['LaTeX batchmode', 'batchmode'], ];
2387: } else {
2388: $paramHash->{CHOICES} = [
2389: ['LaTeX batchmode', 'batchmode'],
2390: ['standard LaTeX mode', 'standard'] ];
2391: }
2392: Apache::lonhelper::dropdown->new();
2393:
2394: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2395: $paramHash = Apache::lonhelper::getParamHash();
2396: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2397: $helper->declareVar('TABLE_CONTENTS');
2398: $paramHash->{CHOICES} = [
2399: ['No', 'no'],
2400: ['Yes', 'yes'] ];
2401: Apache::lonhelper::dropdown->new();
2402: addMessage("</td></tr>");
2403:
2404: if (not $helper->{VARS}->{'construction'}) {
2405: addMessage("<tr><td align='right'>Print Index: </td><td>");
2406: $paramHash = Apache::lonhelper::getParamHash();
2407: $paramHash->{'variable'} = 'TABLE_INDEX';
2408: $helper->declareVar('TABLE_INDEX');
2409: $paramHash->{CHOICES} = [
2410: ['No', 'no'],
2411: ['Yes', 'yes'] ];
2412: Apache::lonhelper::dropdown->new();
2413: addMessage("</td></tr>");
2414: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2415: $paramHash = Apache::lonhelper::getParamHash();
2416: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2417: $helper->declareVar('PRINT_DISCUSSIONS');
2418: $paramHash->{CHOICES} = [
2419: ['No', 'no'],
2420: ['Yes', 'yes'] ];
2421: Apache::lonhelper::dropdown->new();
2422: addMessage("</td></tr>");
2423:
2424: # If advanced roles, then allow to show all foils.
2425:
2426: if ($env{'request.role.adv'}) {
2427: addMessage("<tr><td align = 'right'> </td><td>");
2428: $paramHash = Apache::lonhelper::getParamHash();
2429: $paramHash->{'multichoice'} = "true";
2430: $paramHash->{'allowempty'} = "true";
2431: $paramHash->{'variable'} = "showallfoils";
2432: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2433: Apache::lonhelper::choices->new();
2434: addMessage("</td></tr>");
2435: }
2436:
2437: }
2438:
2439: if ($helper->{'VARS'}->{'construction'}) {
2440: my $stylevalue=$env{'construct.style'};
2441: my $xmlfrag .= <<"RNDSEED";
2442: <message><tr><td align='right'>Use random seed: </td><td></message>
2443: <string variable="curseed" size="15" maxlength="15">
2444: <defaultvalue>
2445: return $helper->{VARS}->{'curseed'};
2446: </defaultvalue>
2447: </string>
2448: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2449: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message>
2450: <choices allowempty="1" multichoice="true" variable="showallfoils">
2451: <choice computer="1">Show all foils?</choice>
2452: </choices>
2453: <message></td></tr></message>
2454: RNDSEED
2455: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2456: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2457:
2458: }
2459:
2460: }
2461:
2462:
2463:
2464:
2465: if ($startedTable) {
2466: addMessage("</table>");
2467: }
2468:
2469: Apache::lonprintout::page_format_state->new("FORMAT");
2470:
2471: # Generate the PAGESIZE state which will offer the user the margin
2472: # choices if they select one column
2473: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2474: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2475:
2476:
2477: $helper->process();
2478:
2479: # MANUAL BAILOUT CONDITION:
2480: # If we're in the "final" state, bailout and return to handler
2481: if ($helper->{STATE} eq 'FINAL') {
2482: return $helper;
2483: }
2484:
2485: $r->print($helper->display());
2486:
2487: &Apache::lonhelper::unregisterHelperTags();
2488:
2489: return OK;
2490: }
2491:
2492:
2493: 1;
2494:
2495: package Apache::lonprintout::page_format_state;
2496:
2497: =pod
2498:
2499: =head1 Helper element: page_format_state
2500:
2501: See lonhelper.pm documentation for discussion of the helper framework.
2502:
2503: Apache::lonprintout::page_format_state is an element that gives the
2504: user an opportunity to select the page layout they wish to print
2505: with: Number of columns, portrait/landscape, and paper size. If you
2506: want to change the paper size choices, change the @paperSize array
2507: contents in this package.
2508:
2509: page_format_state is always directly invoked in lonprintout.pm, so there
2510: is no tag interface. You actually pass parameters to the constructor.
2511:
2512: =over 4
2513:
2514: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2515:
2516: =back
2517:
2518: =cut
2519:
2520: use Apache::lonhelper;
2521:
2522: no strict;
2523: @ISA = ("Apache::lonhelper::element");
2524: use strict;
2525: use Apache::lonlocal;
2526: use Apache::lonnet;
2527:
2528: my $maxColumns = 2;
2529: # it'd be nice if these all worked
2530: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2531: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2532: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2533: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2534: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2535: "a4 [210x297 mm]");
2536:
2537: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2538: # Paper type
2539:
2540: sub new {
2541: my $self = Apache::lonhelper::element->new();
2542:
2543: shift;
2544:
2545: $self->{'variable'} = shift;
2546: my $helper = Apache::lonhelper::getHelper();
2547: $helper->declareVar($self->{'variable'});
2548: bless($self);
2549: return $self;
2550: }
2551:
2552: sub render {
2553: my $self = shift;
2554: my $helper = Apache::lonhelper::getHelper();
2555: my $result = '';
2556: my $var = $self->{'variable'};
2557: my $PageLayout=&mt('Page layout');
2558: my $NumberOfColumns=&mt('Number of columns');
2559: my $PaperType=&mt('Paper type');
2560: $result .= <<STATEHTML;
2561:
2562: <hr width="33%" />
2563: <table cellpadding="3">
2564: <tr>
2565: <td align="center"><b>$PageLayout</b></td>
2566: <td align="center"><b>$NumberOfColumns</b></td>
2567: <td align="center"><b>$PaperType</b></td>
2568: </tr>
2569: <tr>
2570: <td>
2571: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2572: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2573: </td>
2574: <td align="center">
2575: <select name="${var}.cols">
2576: STATEHTML
2577:
2578: my $i;
2579: for ($i = 1; $i <= $maxColumns; $i++) {
2580: if ($i == 2) {
2581: $result .= "<option value='$i' selected>$i</option>\n";
2582: } else {
2583: $result .= "<option value='$i'>$i</option>\n";
2584: }
2585: }
2586:
2587: $result .= "</select></td><td>\n";
2588: $result .= "<select name='${var}.paper'>\n";
2589:
2590: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2591: my $DefaultPaperSize=$parmhash{'default_paper_size'};
2592: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2593: $i = 0;
2594: foreach (@paperSize) {
2595: $_=~/(\w+)/;
2596: my $papersize=$1;
2597: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2598: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2599: } else {
2600: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2601: }
2602: $i++;
2603: }
2604: $result .= "</select></td></tr></table>";
2605: return $result;
2606: }
2607:
2608: sub postprocess {
2609: my $self = shift;
2610:
2611: my $var = $self->{'variable'};
2612: my $helper = Apache::lonhelper->getHelper();
2613: $helper->{VARS}->{$var} =
2614: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2615: $env{"form.$var.paper"};
2616: return 1;
2617: }
2618:
2619: 1;
2620:
2621: package Apache::lonprintout::page_size_state;
2622:
2623: =pod
2624:
2625: =head1 Helper element: page_size_state
2626:
2627: See lonhelper.pm documentation for discussion of the helper framework.
2628:
2629: Apache::lonprintout::page_size_state is an element that gives the
2630: user the opportunity to further refine the page settings if they
2631: select a single-column page.
2632:
2633: page_size_state is always directly invoked in lonprintout.pm, so there
2634: is no tag interface. You actually pass parameters to the constructor.
2635:
2636: =over 4
2637:
2638: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2639:
2640: =back
2641:
2642: =cut
2643:
2644: use Apache::lonhelper;
2645: use Apache::lonnet;
2646: no strict;
2647: @ISA = ("Apache::lonhelper::element");
2648: use strict;
2649:
2650:
2651:
2652: sub new {
2653: my $self = Apache::lonhelper::element->new();
2654:
2655: shift; # disturbs me (probably prevents subclassing) but works (drops
2656: # package descriptor)... - Jeremy
2657:
2658: $self->{'variable'} = shift;
2659: my $helper = Apache::lonhelper::getHelper();
2660: $helper->declareVar($self->{'variable'});
2661:
2662: # The variable name of the format element, so we can look into
2663: # $helper->{VARS} to figure out whether the columns are one or two
2664: $self->{'formatvar'} = shift;
2665:
2666: # The state to transition to after selection, or after discovering
2667: # the cols are not set to 1
2668: $self->{NEXTSTATE} = shift;
2669: bless($self);
2670: return $self;
2671: }
2672:
2673: sub render {
2674: my $self = shift;
2675: my $helper = Apache::lonhelper::getHelper();
2676: my $result = '';
2677: my $var = $self->{'variable'};
2678:
2679: if (defined $self->{ERROR_MSG}) {
2680: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2681: }
2682:
2683: $result .= <<ELEMENTHTML;
2684:
2685: <p>How should the column be formatted?</p>
2686:
2687: <table cellpadding='3'>
2688: <tr>
2689: <td align='right'><b>Width</b>:</td>
2690: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2691: <td align='left'>
2692: <select name='$var.widthunit'>
2693: <option>cm</option><option>in</option>
2694: </select>
2695: </td>
2696: </tr>
2697: <tr>
2698: <td align='right'><b>Height</b>:</td>
2699: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2700: <td align='left'>
2701: <select name='$var.heightunit'>
2702: <option>cm</option><option>in</option>
2703: </select>
2704: </td>
2705: </tr>
2706: <tr>
2707: <td align='right'><b>Left margin</b>:</td>
2708: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2709: <td align='left'>
2710: <select name='$var.lmarginunit'>
2711: <option>cm</option><option>in</option>
2712: </select>
2713: </td>
2714: </tr>
2715: </table>
2716:
2717: <p>Hint: Some instructors like to leave scratch space for the student by
2718: making the width much smaller than the width of the page.</p>
2719:
2720: ELEMENTHTML
2721:
2722: return $result;
2723: }
2724:
2725: # If the user didn't select 1 column, skip this state.
2726: sub preprocess {
2727: my $self = shift;
2728: my $helper = Apache::lonhelper::getHelper();
2729:
2730: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2731: if (substr($format, 2, 1) ne '1') {
2732: $helper->changeState($self->{NEXTSTATE});
2733: }
2734:
2735: return 1;
2736: }
2737:
2738: sub postprocess {
2739: my $self = shift;
2740:
2741: my $var = $self->{'variable'};
2742: my $helper = Apache::lonhelper->getHelper();
2743: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
2744: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
2745: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
2746: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
2747: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
2748: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
2749:
2750: my $error = '';
2751:
2752: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2753: # by an optional period, followed by digits, ending the string
2754:
2755: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2756: $error .= "Invalid width; please type only a number.<br />\n";
2757: }
2758: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2759: $error .= "Invalid height; please type only a number.<br />\n";
2760: }
2761: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2762: $error .= "Invalid left margin; please type only a number.<br />\n";
2763: }
2764:
2765: if (!$error) {
2766: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2767: return 1;
2768: } else {
2769: $self->{ERROR_MSG} = $error;
2770: return 0;
2771: }
2772: }
2773:
2774:
2775:
2776: __END__
2777:
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