1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.386 2005/08/16 10:25:15 foxr Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
29: package Apache::lonprintout;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonxml;
34: use Apache::lonnet;
35: use Apache::loncommon;
36: use Apache::inputtags;
37: use Apache::grades;
38: use Apache::edit;
39: use Apache::File();
40: use Apache::lonnavmaps;
41: use Apache::lonratedt;
42: use POSIX qw(strftime);
43: use Apache::lonlocal;
44:
45: my $resources_printed = '';
46:
47: #
48: # Convert a numeric code to letters
49: #
50: sub num_to_letters {
51: my ($num) = @_;
52: my @nums= split('',$num);
53: my @num_to_let=('A'..'Z');
54: my $word;
55: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
56: return $word;
57: }
58: # Convert a letter code to numeric.
59: #
60: sub letters_to_num {
61: my ($letters) = @_;
62: my @letters = split('', uc($letters));
63: my %substitution;
64: my $digit = 0;
65: foreach my $letter ('A'..'J') {
66: $substitution{$letter} = $digit;
67: $digit++;
68: }
69: # The substitution is done as below to preserve leading
70: # zeroes which are needed to keep the code size exact
71: #
72: my $result ="";
73: foreach my $letter (@letters) {
74: $result.=$substitution{$letter};
75: }
76: return $result;
77: }
78:
79: # Determine if a code is a valid numeric code. Valid
80: # numeric codes must be comprised entirely of digits and
81: # have a correct number of digits.
82: #
83: # Parameters:
84: # value - proposed code value.
85: # num_digits - Number of digits required.
86: #
87: sub is_valid_numeric_code {
88: my ($value, $num_digits) = @_;
89: # Remove leading/trailing whitespace;
90: $value =~ s/^\s*//;
91: $value =~ s/\s*$//;
92:
93: # All digits?
94: if ($value =~ /^[0-9]+$/) {
95: return "Numeric code $value has invalid characters - must only be digits";
96: }
97: if (length($value) != $num_digits) {
98: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
99: }
100: return undef;
101: }
102: # Determines if a code is a valid alhpa code. Alpha codes
103: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
104: # They also have a correct digit count.
105: # Parameters:
106: # value - Proposed code value.
107: # num_letters - correct number of letters.
108: # Note:
109: # leading and trailing whitespace are ignored.
110: #
111: sub is_valid_alpha_code {
112: my ($value, $num_letters) = @_;
113:
114: # strip leading and trailing spaces.
115:
116: $value =~ s/^\s*//g;
117: $value =~ s/\s*$//g;
118:
119: # All alphas in the right range?
120: if ($value !~ /^[A-J,a-j]+$/) {
121: return "Invalid letter code $value must only contain A-J";
122: }
123: if (length($value) != $num_letters) {
124: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
125: }
126: return undef;
127: }
128:
129: # Determine if a code entered by the user in a helper is valid.
130: # valid depends on the code type and the type of code selected.
131: # The type of code selected can either be numeric or
132: # Alphabetic. If alphabetic, the code, in fact is a simple
133: # substitution cipher for the actual numeric code: 0->A, 1->B ...
134: # We'll be nice and be case insensitive for alpha codes.
135: # Parameters:
136: # code_value - the value of the code the user typed in.
137: # code_option - The code type selected from the set in the scantron format
138: # table.
139: # Returns:
140: # undef - The code is valid.
141: # other - An error message indicating what's wrong.
142: #
143: sub is_code_valid {
144: my ($code_value, $code_option) = @_;
145: my ($code_type, $code_length) = ('letter', 6); # defaults.
146: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
147: foreach my $line (<FG>) {
148: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
149: if($name eq $code_option) {
150: $code_length = $length;
151: if($type eq 'number') {
152: $code_type = 'number';
153: }
154: }
155: }
156: my $valid;
157: if ($code_type eq 'number') {
158: return &is_valid_numeric_code($code_value, $code_length);
159: } else {
160: return &is_valid_alpha_code($code_value, $code_length);
161: }
162:
163: }
164:
165: # Compare two students by name. The students are in the form
166: # returned by the helper:
167: # user:domain:section:last, first:status
168: # This is a helper function for the perl sort built-in therefore:
169: # Implicit Inputs:
170: # $a - The first element to compare (global)
171: # $b - The second element to compare (global)
172: # Returns:
173: # -1 - $a < $b
174: # 0 - $a == $b
175: # +1 - $a > $b
176: # Note that the initial comparison is done on the last names with the
177: # first names only used to break the tie.
178: #
179: #
180: sub compare_names {
181: # First split the names up into the primary fields.
182:
183: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
184: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
185:
186: # Now split the last name and first name of each n:
187: #
188:
189: my ($l1,$f1) = split(/,/, $n1);
190: my ($l2,$f2) = split(/,/, $n2);
191:
192: # We don't bother to remove the leading/trailing whitespace from the
193: # firstname, unless the last names compare identical.
194:
195: if($l1 lt $l2) {
196: return -1;
197: }
198: if($l1 gt $l2) {
199: return 1;
200: }
201:
202: # Break the tie on the first name, but there are leading (possibly trailing
203: # whitespaces to get rid of first
204: #
205: $f1 =~ s/^\s+//; # Remove leading...
206: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
207:
208: $f2 =~ s/^\s+//;
209: $f2 =~ s/\s+$//; # And the same for first 2...
210:
211: if($f1 lt $f2) {
212: return -1;
213: }
214: if($f1 gt $f2) {
215: return 1;
216: }
217:
218: # Must be the same name.
219:
220: return 0;
221: }
222:
223: sub latex_header_footer_remove {
224: my $text = shift;
225: $text =~ s/\\end{document}//;
226: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
227: return $text;
228: }
229:
230:
231: sub character_chart {
232: my $result = shift;
233: $result =~ s/&\#0?0?(7|9);//g;
234: $result =~ s/&\#0?(10|13);//g;
235: $result =~ s/&\#0?32;/ /g;
236: $result =~ s/&\#0?33;/!/g;
237: $result =~ s/&(\#0?34|quot);/\"/g;
238: $result =~ s/&\#0?35;/\\\#/g;
239: $result =~ s/&\#0?36;/\\\$/g;
240: $result =~ s/&\#0?37;/\\%/g;
241: $result =~ s/&(\#0?38|amp);/\\&/g;
242: $result =~ s/&\#(0?39|146);/\'/g;
243: $result =~ s/&\#0?40;/(/g;
244: $result =~ s/&\#0?41;/)/g;
245: $result =~ s/&\#0?42;/\*/g;
246: $result =~ s/&\#0?43;/\+/g;
247: $result =~ s/&\#(0?44|130);/,/g;
248: $result =~ s/&\#0?45;/-/g;
249: $result =~ s/&\#0?46;/\./g;
250: $result =~ s/&\#0?47;/\//g;
251: $result =~ s/&\#0?48;/0/g;
252: $result =~ s/&\#0?49;/1/g;
253: $result =~ s/&\#0?50;/2/g;
254: $result =~ s/&\#0?51;/3/g;
255: $result =~ s/&\#0?52;/4/g;
256: $result =~ s/&\#0?53;/5/g;
257: $result =~ s/&\#0?54;/6/g;
258: $result =~ s/&\#0?55;/7/g;
259: $result =~ s/&\#0?56;/8/g;
260: $result =~ s/&\#0?57;/9/g;
261: $result =~ s/&\#0?58;/:/g;
262: $result =~ s/&\#0?59;/;/g;
263: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
264: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
265: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
266: $result =~ s/&\#0?63;/\?/g;
267: $result =~ s/&\#0?65;/A/g;
268: $result =~ s/&\#0?66;/B/g;
269: $result =~ s/&\#0?67;/C/g;
270: $result =~ s/&\#0?68;/D/g;
271: $result =~ s/&\#0?69;/E/g;
272: $result =~ s/&\#0?70;/F/g;
273: $result =~ s/&\#0?71;/G/g;
274: $result =~ s/&\#0?72;/H/g;
275: $result =~ s/&\#0?73;/I/g;
276: $result =~ s/&\#0?74;/J/g;
277: $result =~ s/&\#0?75;/K/g;
278: $result =~ s/&\#0?76;/L/g;
279: $result =~ s/&\#0?77;/M/g;
280: $result =~ s/&\#0?78;/N/g;
281: $result =~ s/&\#0?79;/O/g;
282: $result =~ s/&\#0?80;/P/g;
283: $result =~ s/&\#0?81;/Q/g;
284: $result =~ s/&\#0?82;/R/g;
285: $result =~ s/&\#0?83;/S/g;
286: $result =~ s/&\#0?84;/T/g;
287: $result =~ s/&\#0?85;/U/g;
288: $result =~ s/&\#0?86;/V/g;
289: $result =~ s/&\#0?87;/W/g;
290: $result =~ s/&\#0?88;/X/g;
291: $result =~ s/&\#0?89;/Y/g;
292: $result =~ s/&\#0?90;/Z/g;
293: $result =~ s/&\#0?91;/[/g;
294: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
295: $result =~ s/&\#0?93;/]/g;
296: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
297: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
298: $result =~ s/&\#(0?96|145);/\`/g;
299: $result =~ s/&\#0?97;/a/g;
300: $result =~ s/&\#0?98;/b/g;
301: $result =~ s/&\#0?99;/c/g;
302: $result =~ s/&\#100;/d/g;
303: $result =~ s/&\#101;/e/g;
304: $result =~ s/&\#102;/f/g;
305: $result =~ s/&\#103;/g/g;
306: $result =~ s/&\#104;/h/g;
307: $result =~ s/&\#105;/i/g;
308: $result =~ s/&\#106;/j/g;
309: $result =~ s/&\#107;/k/g;
310: $result =~ s/&\#108;/l/g;
311: $result =~ s/&\#109;/m/g;
312: $result =~ s/&\#110;/n/g;
313: $result =~ s/&\#111;/o/g;
314: $result =~ s/&\#112;/p/g;
315: $result =~ s/&\#113;/q/g;
316: $result =~ s/&\#114;/r/g;
317: $result =~ s/&\#115;/s/g;
318: $result =~ s/&\#116;/t/g;
319: $result =~ s/&\#117;/u/g;
320: $result =~ s/&\#118;/v/g;
321: $result =~ s/&\#119;/w/g;
322: $result =~ s/&\#120;/x/g;
323: $result =~ s/&\#121;/y/g;
324: $result =~ s/&\#122;/z/g;
325: $result =~ s/&\#123;/\\{/g;
326: $result =~ s/&\#124;/\|/g;
327: $result =~ s/&\#125;/\\}/g;
328: $result =~ s/&\#126;/\~/g;
329: $result =~ s/&\#131;/\\textflorin /g;
330: $result =~ s/&\#132;/\"/g;
331: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
332: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
333: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
334: $result =~ s/&\#137;/\\textperthousand /g;
335: $result =~ s/&\#140;/{\\OE}/g;
336: $result =~ s/&\#147;/\`\`/g;
337: $result =~ s/&\#148;/\'\'/g;
338: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
339: $result =~ s/&\#150;/--/g;
340: $result =~ s/&\#151;/---/g;
341: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
342: $result =~ s/&\#153;/\\texttrademark /g;
343: $result =~ s/&\#156;/\\oe/g;
344: $result =~ s/&\#159;/\\\"Y/g;
345: $result =~ s/&(\#160|nbsp);/~/g;
346: $result =~ s/&(\#161|iexcl);/!\`/g;
347: $result =~ s/&(\#162|cent);/\\textcent /g;
348: $result =~ s/&(\#163|pound);/\\pounds /g;
349: $result =~ s/&(\#164|curren);/\\textcurrency /g;
350: $result =~ s/&(\#165|yen);/\\textyen /g;
351: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
352: $result =~ s/&(\#167|sect);/\\textsection /g;
353: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
354: $result =~ s/&(\#169|copy);/\\copyright /g;
355: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
356: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
357: $result =~ s/&(\#173|shy);/ - /g;
358: $result =~ s/&(\#174|reg);/\\textregistered /g;
359: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
360: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
361: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
362: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
363: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
364: $result =~ s/&(\#180|acute);/\\textacute /g;
365: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
366: $result =~ s/&(\#182|para);/\\P/g;
367: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
368: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
369: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
370: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
371: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
372: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
373: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
374: $result =~ s/&(\#191|iquest);/?\`/g;
375: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
376: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
377: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
378: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
379: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
380: $result =~ s/&(\#197|Aring);/{\\AA}/g;
381: $result =~ s/&(\#198|AElig);/{\\AE}/g;
382: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
383: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
384: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
385: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
386: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
387: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
388: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
389: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
390: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
391: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
392: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
393: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
394: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
395: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
396: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
397: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
398: $result =~ s/&(\#216|Oslash);/{\\O}/g;
399: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
400: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
401: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
402: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
403: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
404: $result =~ s/&(\#223|szlig);/{\\ss}/g;
405: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
406: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
407: $result =~ s/&(\#226|acirc);/\\^{a}/g;
408: $result =~ s/&(\#227|atilde);/\\~{a}/g;
409: $result =~ s/&(\#228|auml);/\\\"{a}/g;
410: $result =~ s/&(\#229|aring);/{\\aa}/g;
411: $result =~ s/&(\#230|aelig);/{\\ae}/g;
412: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
413: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
414: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
415: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
416: $result =~ s/&(\#235|euml);/\\\"{e}/g;
417: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
418: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
419: $result =~ s/&(\#238|icirc);/\\^{i}/g;
420: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
421: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
422: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
423: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
424: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
425: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
426: $result =~ s/&(\#245|otilde);/\\~{o}/g;
427: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
428: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
429: $result =~ s/&(\#248|oslash);/{\\o}/g;
430: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
431: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
432: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
433: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
434: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
435: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
436: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
437: #Greek Alphabet
438: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
439: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
440: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
441: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
442: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
443: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
444: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
445: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
446: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
447: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
448: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
449: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
450: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
451: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
452: $result =~ s/&(omicron|\#959);/o/g;
453: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
454: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
455: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
456: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
457: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
458: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
459: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
460: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
461: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
462: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
463: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
464: $result =~ s/&(Alpha|\#913);/A/g;
465: $result =~ s/&(Beta|\#914);/B/g;
466: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
467: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
468: $result =~ s/&(Epsilon|\#917);/E/g;
469: $result =~ s/&(Zeta|\#918);/Z/g;
470: $result =~ s/&(Eta|\#919);/H/g;
471: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
472: $result =~ s/&(Iota|\#921);/I/g;
473: $result =~ s/&(Kappa|\#922);/K/g;
474: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
475: $result =~ s/&(Mu|\#924);/M/g;
476: $result =~ s/&(Nu|\#925);/N/g;
477: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
478: $result =~ s/&(Omicron|\#927);/O/g;
479: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
480: $result =~ s/&(Rho|\#929);/P/g;
481: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
482: $result =~ s/&(Tau|\#932);/T/g;
483: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
484: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
485: $result =~ s/&(Chi|\#935);/X/g;
486: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
487: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
488: #Arrows (extended HTML 4.01)
489: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
490: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
491: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
492: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
493: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
494: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
495: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
496: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
497: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
498: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
499: #Mathematical Operators (extended HTML 4.01)
500: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
501: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
502: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
503: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
504: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
505: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
506: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
507: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
508: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
509: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
510: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
511: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
512: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
513: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
514: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
515: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
516: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
517: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
518: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
519: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
520: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
521: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
522: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
523: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
524: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
525: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
526: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
527: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
528: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
529: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
530: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
531: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
532: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
533: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
534: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
535: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
536: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
537: #Geometric Shapes (extended HTML 4.01)
538: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
539: #Miscellaneous Symbols (extended HTML 4.01)
540: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
541: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
542: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
543: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
544: return $result;
545: }
546:
547:
548: #width, height, oddsidemargin, evensidemargin, topmargin
549: my %page_formats=
550: ('letter' => {
551: 'book' => {
552: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
553: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
554: },
555: 'album' => {
556: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'],
557: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
558: },
559: },
560: 'legal' => {
561: 'book' => {
562: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
563: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
564: },
565: 'album' => {
566: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
567: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
568: },
569: },
570: 'tabloid' => {
571: 'book' => {
572: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
573: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
574: },
575: 'album' => {
576: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
577: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
578: },
579: },
580: 'executive' => {
581: 'book' => {
582: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
583: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
584: },
585: 'album' => {
586: '1' => [],
587: '2' => []
588: },
589: },
590: 'a2' => {
591: 'book' => {
592: '1' => [],
593: '2' => []
594: },
595: 'album' => {
596: '1' => [],
597: '2' => []
598: },
599: },
600: 'a3' => {
601: 'book' => {
602: '1' => [],
603: '2' => []
604: },
605: 'album' => {
606: '1' => [],
607: '2' => []
608: },
609: },
610: 'a4' => {
611: 'book' => {
612: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
613: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
614: },
615: 'album' => {
616: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
617: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
618: },
619: },
620: 'a5' => {
621: 'book' => {
622: '1' => [],
623: '2' => []
624: },
625: 'album' => {
626: '1' => [],
627: '2' => []
628: },
629: },
630: 'a6' => {
631: 'book' => {
632: '1' => [],
633: '2' => []
634: },
635: 'album' => {
636: '1' => [],
637: '2' => []
638: },
639: },
640: );
641:
642: sub page_format {
643: #
644: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
645: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
646: # "A2 [420x594 mm]", "A3 [297x420 mm]",
647: # "A4 [210x297 mm]", "A5 [148x210 mm]",
648: # "A6 [105x148 mm]"
649: #
650: my ($papersize,$layout,$numberofcolumns) = @_;
651: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
652: }
653:
654:
655: sub get_name {
656: my ($uname,$udom)=@_;
657: if (!defined($uname)) { $uname=$env{'user.name'}; }
658: if (!defined($udom)) { $udom=$env{'user.domain'}; }
659: my $plainname=&Apache::loncommon::plainname($uname,$udom);
660: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
661: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
662: return $plainname;
663: }
664:
665: sub get_course {
666: my $courseidinfo;
667: if (defined($env{'request.course.id'})) {
668: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
669: }
670: return $courseidinfo;
671: }
672:
673: sub page_format_transformation {
674: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
675: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
676: if ($selectionmade eq '4') {
677: $assignment='Problems from the Whole Course';
678: } else {
679: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
680: }
681: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
682: my $name = &get_name();
683: my $courseidinfo = &get_course();
684: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
685: my $topmargintoinsert = '';
686: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
687: my $fancypagestatement='';
688: if ($numberofcolumns eq '2') {
689: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
690: } else {
691: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
692: }
693: if ($layout eq 'album') {
694: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
695: } elsif ($layout eq 'book') {
696: if ($choice ne 'All class print') {
697: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
698: } else {
699: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
700: }
701: if ($papersize eq 'a4') {
702: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
703: }
704: }
705: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
706: if ($indexlist eq 'yes') {
707: $text=~s/(\\begin{document})/\\makeindex $1/;
708: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
709: }
710: return $text;
711: }
712:
713:
714: sub page_cleanup {
715: my $result = shift;
716:
717: $result =~ m/\\end{document}(\d*)$/;
718: my $number_of_columns = $1;
719: my $insert = '{';
720: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
721: $insert .= '}';
722: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
723: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
724: return $result,$number_of_columns;
725: }
726:
727:
728: sub details_for_menu {
729: my ($helper)=@_;
730: my $postdata=$env{'form.postdata'};
731: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
732: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
733: my $symbolic = &Apache::lonnet::symbread($postdata);
734: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
735: $map=&Apache::lonnet::clutter($map);
736: my $name_of_sequence = &Apache::lonnet::gettitle($map);
737: if ($name_of_sequence =~ /^\s*$/) {
738: $map =~ m|([^/]+)$|;
739: $name_of_sequence = $1;
740: }
741: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
742: if ($name_of_map =~ /^\s*$/) {
743: $env{'request.course.uri'} =~ m|([^/]+)$|;
744: $name_of_map = $1;
745: }
746: return ($name_of_resource,$name_of_sequence,$name_of_map);
747: }
748:
749:
750: sub latex_corrections {
751:
752: my ($number_of_columns,$result,$selectionmade) = @_;
753:
754: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
755: $result =~ s/\$number_of_columns/$number_of_columns/g;
756: if ($selectionmade ne '1') {
757: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/;
758: } else {
759: $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/;
760: }
761: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
762: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
763: #-- LaTeX corrections
764: my $first_comment = index($result,'<!--',0);
765: while ($first_comment != -1) {
766: my $end_comment = index($result,'-->',$first_comment);
767: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
768: $first_comment = index($result,'<!--',$first_comment);
769: }
770: $result =~ s/^\s+$//gm; #remove empty lines
771: #removes more than one empty space
772: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
773: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
774: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
775: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
776: $result =~ s/\\\\\s+\[/ \[/g;
777: #conversion of html characters to LaTeX equivalents
778: if ($result =~ m/&(\w+|#\d+);/) {
779: $result = &character_chart($result);
780: }
781: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
782: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
783:
784: return $result;
785: }
786:
787:
788: sub index_table {
789: my $currentURL = shift;
790: my $insex_string='';
791: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
792: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
793: return $insex_string;
794: }
795:
796:
797: sub IndexCreation {
798: my ($texversion,$currentURL)=@_;
799: my @key_words=split(/,/,&index_table($currentURL));
800: my $chunk='';
801: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
802: if ($st>0) {
803: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
804: $chunk=substr($texversion,0,$st+1);
805: substr($texversion,0,$st+1)=' ';
806: }
807: foreach my $key_word (@key_words) {
808: if ($key_word=~/\S+/) {
809: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
810: }
811: }
812: if ($st>0) {substr($texversion,0,1)=$chunk;}
813: return $texversion;
814: }
815:
816: sub print_latex_header {
817: my $mode=shift;
818: my $output='\documentclass[letterpaper]{article}';
819: if (($mode eq 'batchmode') || (!$env{'request.role.adv'})) {
820: $output.='\batchmode';
821: }
822: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
823: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
824: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
825: '\usepackage{picins}\usepackage{calc}'."\n".
826: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
827: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
828: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
829: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
830: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
831: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
832: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
833: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
834: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
835: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
836: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
837: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
838: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
839: return $output;
840: }
841:
842: sub path_to_problem {
843: my ($urlp,$colwidth)=@_;
844: my $newurlp = '';
845: $colwidth=~s/\s*mm\s*$//;
846: #characters average about 2 mm in width
847: if (length($urlp)*2 > $colwidth) {
848: my @elements = split '/',$urlp;
849: my $curlength=0;
850: foreach my $element (@elements) {
851: if ($curlength+(length($element)*2) > $colwidth) {
852: $newurlp .= '|\vskip -1 mm \noindent \verb|';
853: $curlength=0;
854: } else {
855: $curlength+=length($element)*2;
856: }
857: $newurlp.='/'.$element;
858: }
859: } else {
860: $newurlp=$urlp;
861: }
862: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
863: }
864:
865: sub recalcto_mm {
866: my $textwidth=shift;
867: my $LaTeXwidth;
868: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
869: $LaTeXwidth = $1*10;
870: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
871: $LaTeXwidth = $1;
872: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
873: $LaTeXwidth = $1*25.4;
874: }
875: $LaTeXwidth.=' mm';
876: return $LaTeXwidth;
877: }
878:
879: sub get_textwidth {
880: my ($helper,$LaTeXwidth)=@_;
881: my $textwidth=$LaTeXwidth;
882: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
883: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
884: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
885: $helper->{'VARS'}->{'pagesize.widthunit'});
886: }
887: return $textwidth;
888: }
889:
890:
891: sub unsupported {
892: my ($currentURL,$mode)=@_;
893: if ($mode ne '') {$mode='\\'.$mode}
894: my $result.= &print_latex_header($mode);
895: if ($currentURL=~/\/ext\//) {
896: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
897: } else {
898: $result.=$currentURL;
899: }
900: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
901: return $result;
902: }
903:
904:
905: #
906: # Retrieve the hash of page breaks.
907: #
908: # Inputs:
909: # helper - reference to helper object.
910: # Outputs
911: # A reference to a page break hash.
912: #
913: #
914:
915: sub get_page_breaks {
916: my ($helper) = @_;
917: my %page_breaks;
918:
919: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
920: $page_breaks{$break} = 1;
921: }
922:
923: return %page_breaks;
924: }
925:
926: sub output_data {
927: my ($r,$helper,$rparmhash) = @_;
928: my %parmhash = %$rparmhash;
929: my $html=&Apache::lonxml::xmlbegin();
930: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
931: $r->print(<<ENDPART);
932: $html
933: <head>
934: <script type="text/javascript" language="Javascript">
935: var editbrowser;
936: function openbrowser(formname,elementname,only,omit) {
937: var url = '/res/?';
938: if (editbrowser == null) {
939: url += 'launch=1&';
940: }
941: url += 'catalogmode=interactive&';
942: url += 'mode=parmset&';
943: url += 'form=' + formname + '&';
944: if (only != null) {
945: url += 'only=' + only + '&';
946: }
947: if (omit != null) {
948: url += 'omit=' + omit + '&';
949: }
950: url += 'element=' + elementname + '';
951: var title = 'Browser';
952: var options = 'scrollbars=1,resizable=1,menubar=0';
953: options += ',width=700,height=600';
954: editbrowser = open(url,title,options,'1');
955: editbrowser.focus();
956: }
957: </script>
958: <title>LON-CAPA output for printing</title>
959: </head>
960: $bodytag
961: Please stand by while processing your print request, this may take some time ...
962: ENDPART
963:
964:
965:
966: # fetch the pagebreaks and store them in the course environment
967: # The page breaks will be pulled into the hash %page_breaks which is
968: # indexed by symb and contains 1's for each break.
969:
970: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
971: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
972: &Apache::loncommon::store_course_settings('print',
973: {'pagebreaks' => 'scalar',
974: 'lastprinttype' => 'scalar'});
975:
976: my %page_breaks = &get_page_breaks($helper);
977:
978: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
979: my ($result,$selectionmade) = ('','');
980: my $number_of_columns = 1; #used only for pages to determine the width of the cell
981: my @temporary_array=split /\|/,$format_from_helper;
982: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
983: if ($laystyle eq 'L') {
984: $laystyle='album';
985: } else {
986: $laystyle='book';
987: }
988: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
989: my $assignment = $env{'form.assignment'};
990: my $LaTeXwidth=&recalcto_mm($textwidth);
991: my @print_array=();
992: my @student_names=();
993:
994: # Common settings for the %form has:
995: # In some cases these settings get overriddent by specific cases, but the
996: # settings are common enough to make it worthwhile factoring them out
997: # here.
998: #
999: my %form;
1000: $form{'grade_target'} = 'tex';
1001: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
1002:
1003: # If form.showallfoils is set, then request all foils be shown:
1004: # privilege will be enforced both by not allowing the
1005: # check box selecting this option to be presnt unless it's ok,
1006: # and by lonresponse's priv. check.
1007: # The if is here because lonresponse.pm only cares that
1008: # showallfoils is defined, not what the value is.
1009:
1010: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1011: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
1012: }
1013:
1014: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1015: #-- single document - problem, page, html, xml, ...
1016: my ($currentURL,$cleanURL);
1017:
1018: if ($helper->{'VARS'}->{'construction'} ne '1') {
1019: #prints published resource
1020: $currentURL=$helper->{'VARS'}->{'postdata'};
1021: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1022: } else {
1023: #prints resource from the construction space
1024: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1025: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1026: $cleanURL=$currentURL;
1027: }
1028: $selectionmade = 1;
1029: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1030: my $rndseed=time;
1031: my $texversion='';
1032: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1033: my %moreenv;
1034: $moreenv{'request.filename'}=$cleanURL;
1035: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1036: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1037: my $dom = $env{'user.domain'};
1038: my $user = $env{'user.name'};
1039: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1040: }
1041: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1042: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1043: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1044: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1045: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1046: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1047: if ($helper->{'VARS'}->{'curseed'}) {
1048: $rndseed=$helper->{'VARS'}->{'curseed'};
1049: }
1050: $form{'rndseed'}=$rndseed;
1051: &Apache::lonnet::appenv(%moreenv);
1052: &Apache::lonnet::delenv('form.counter');
1053: &Apache::lonxml::init_counter();
1054: $resources_printed .= $currentURL.':';
1055: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1056: &Apache::lonnet::delenv('form.counter');
1057: &Apache::lonnet::delenv('request.filename');
1058: }
1059: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1060: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1061: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1062: $form{'grade_target'}='answer';
1063: $form{'answer_output_mode'}='tex';
1064: $form{'rndseed'}=$rndseed;
1065: $resources_printed .= $currentURL.':';
1066: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1067: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1068: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1069: } else {
1070: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1071: if ($helper->{'VARS'}->{'construction'} ne '1') {
1072: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1073: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1074: } else {
1075: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1076: my $URLpath=$cleanURL;
1077: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1078: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1079: }
1080: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1081: }
1082: }
1083: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1084: $texversion=&IndexCreation($texversion,$currentURL);
1085: }
1086: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1087: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1088:
1089: }
1090: $result .= $texversion;
1091: if ($currentURL=~m/\.page\s*$/) {
1092: ($result,$number_of_columns) = &page_cleanup($result);
1093: }
1094: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1095: #printing content of sequence from the construction space
1096: my $flag_latex_header_remove = 'NO';
1097: my $rndseed=time;
1098: if ($helper->{'VARS'}->{'curseed'}) {
1099: $rndseed=$helper->{'VARS'}->{'curseed'};
1100: }
1101: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1102: my $errtext=&Apache::lonratedt::mapread($currentURL);
1103: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
1104: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
1105: my $urlp=$2;
1106: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1107: my $texversion='';
1108: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1109: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1110: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1111: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1112: $form{'rndseed'}=$rndseed;
1113: $resources_printed .=$urlp.':';
1114: $texversion=&Apache::lonnet::ssi($urlp,%form);
1115: }
1116: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1117: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1118: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1119: # Don't permanently modify %$form...
1120: my %answerform = %form;
1121: $answerform{'grade_target'}='answer';
1122: $answerform{'answer_output_mode'}='tex';
1123: $answerform{'rndseed'}=$rndseed;
1124: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1125: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1126: $resources_printed .= $urlp.':';
1127: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1128: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1129: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1130: } else {
1131: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1132: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1133: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
1134: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1135: }
1136: }
1137: if ($flag_latex_header_remove ne 'NO') {
1138: $texversion = &latex_header_footer_remove($texversion);
1139: } else {
1140: $texversion =~ s/\\end{document}//;
1141: }
1142: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1143: $texversion=&IndexCreation($texversion,$urlp);
1144: }
1145: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1146: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1147: }
1148: $result.=$texversion;
1149: $flag_latex_header_remove = 'YES';
1150: } elsif ($urlp=~/\.(sequence|page)$/) {
1151: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1152: }
1153: }
1154: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1155: $result .= '\end{document}';
1156: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1157: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1158: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1159: $resources_printed .= $currentURL.':';
1160: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1161: $result .= $texversion;
1162: } else {
1163: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1164: }
1165: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1166: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1167: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1168: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1169: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1170: #-- produce an output string
1171: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1172: $selectionmade = 2;
1173: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1174: $selectionmade = 3;
1175: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1176: $selectionmade = 4;
1177: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1178: $selectionmade = 4;
1179: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1180: $selectionmade = 7;
1181: }
1182: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1183: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1184: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1185: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1186: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1187: my $flag_latex_header_remove = 'NO';
1188: my $flag_page_in_sequence = 'NO';
1189: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1190: my $prevassignment='';
1191: &Apache::lonnet::delenv('form.counter');
1192: &Apache::lonxml::init_counter();
1193: for (my $i=0;$i<=$#master_seq;$i++) {
1194:
1195: # Note due to document structure, not allowed to put \newpage
1196: # prior to the first resource
1197:
1198: if (defined $page_breaks{$master_seq[$i]}) {
1199: if($i != 0) {
1200: $result.="\\newpage\n";
1201: }
1202: }
1203: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1204: $urlp=&Apache::lonnet::clutter($urlp);
1205: $form{'symb'}=$master_seq[$i];
1206: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
1207: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1208: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1209: if ($i==0) {$prevassignment=$assignment;}
1210: my $texversion='';
1211: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1212: $resources_printed .= $urlp.':';
1213: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1214: if ($urlp=~/\.page$/) {
1215: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1216: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1217: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1218: $flag_page_in_sequence = 'YES';
1219: }
1220: my $lonidsdir=$r->dir_config('lonIDsDir');
1221: my $envfile=$env{'user.environment'};
1222: $envfile=~/\/([^\/]+)\.id$/;
1223: $envfile=$1;
1224: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1225: my $current_counter=$env{'form.counter'};
1226: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1227: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1228: # Don't permanently pervert the %form hash
1229: my %answerform = %form;
1230: $answerform{'grade_target'}='answer';
1231: $answerform{'answer_output_mode'}='tex';
1232: $resources_printed .= $urlp.':';
1233: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1234: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1235: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1236: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1237: } else {
1238: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1239: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1240: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
1241: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1242: $texversion.='\vskip 1 mm '.$answer;
1243: } else {
1244: $texversion='';
1245: }
1246: }
1247: }
1248: if ($flag_latex_header_remove ne 'NO') {
1249: $texversion = &latex_header_footer_remove($texversion);
1250: } else {
1251: $texversion =~ s/\\end{document}//;
1252: }
1253: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1254: $texversion=&IndexCreation($texversion,$urlp);
1255: }
1256: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1257: my $name = &get_name();
1258: my $courseidinfo = &get_course();
1259: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1260: $prevassignment=$assignment;
1261: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1262: }
1263: $result .= $texversion;
1264: $flag_latex_header_remove = 'YES';
1265: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1266: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1267: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1268: $resources_printed .= $urlp.':';
1269: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1270: if ($flag_latex_header_remove ne 'NO') {
1271: $texversion = &latex_header_footer_remove($texversion);
1272: } else {
1273: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1274: }
1275: $result .= $texversion;
1276: $flag_latex_header_remove = 'YES';
1277: } else {
1278: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1279: if ($flag_latex_header_remove ne 'NO') {
1280: $texversion = &latex_header_footer_remove($texversion);
1281: } else {
1282: $texversion =~ s/\\end{document}//;
1283: }
1284: $result .= $texversion;
1285: $flag_latex_header_remove = 'YES';
1286: }
1287: if (&Apache::loncommon::connection_aborted($r)) { last; }
1288: }
1289: &Apache::lonnet::delenv('form.counter');
1290: if ($flag_page_in_sequence eq 'YES') {
1291: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1292: }
1293: $result .= '\end{document}';
1294: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1295: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1296:
1297:
1298: #-- prints assignments for whole class or for selected students
1299: my $type;
1300: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1301: $selectionmade=5;
1302: $type='problems';
1303: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1304: $selectionmade=8;
1305: $type='resources';
1306: }
1307: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1308: # The normal sort order is by section then by students within the
1309: # section. If the helper var student_sort is 1, then the user has elected
1310: # to override this and output the students by name.
1311: # Each element of the students array is of the form:
1312: # username:domain:section:last, first:status
1313: #
1314: #
1315: if ($helper->{'VARS'}->{'student_sort'} eq 1) {
1316: @students = sort compare_names @students;
1317: }
1318: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1319: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1320: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1321: }
1322: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1323:
1324: #loop over students
1325: my $flag_latex_header_remove = 'NO';
1326: my %moreenv;
1327: $moreenv{'instructor_comments'}='hide';
1328: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1329: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1330: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1331: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1332: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1333: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1334: my $student_counter=-1;
1335: foreach my $person (@students) {
1336:
1337: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1338: if (-e $duefile) {
1339: my $temp_file = Apache::File->new('>>'.$duefile);
1340: print $temp_file "1969\n";
1341: }
1342: $student_counter++;
1343: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1344: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1345: $person,$type,
1346: \%moreenv,\@master_seq,
1347: $flag_latex_header_remove,
1348: $LaTeXwidth);
1349: $resources_printed .= ":";
1350: $print_array[$i].=$output;
1351: $student_names[$i].=$person.':'.$fullname.'_END_';
1352: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1353: $flag_latex_header_remove = 'YES';
1354: if (&Apache::loncommon::connection_aborted($r)) { last; }
1355: }
1356: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1357: $result .= $print_array[0].' \end{document}';
1358: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1359: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1360: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1361: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1362: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1363: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1364: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1365: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1366: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1367: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1368: my ($code_type,$code_length)=('letter',6);
1369: foreach my $line (<FH>) {
1370: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1371: if ($name eq $code_option) {
1372: $code_length=$length;
1373: if ($type eq 'number') { $code_type = 'number'; }
1374: }
1375: }
1376: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1377: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1378: my $seed=time+($$<<16)+($$);
1379: my @allcodes;
1380: if ($old_name) {
1381: my %result=&Apache::lonnet::get('CODEs',
1382: [$old_name,"type\0$old_name"],
1383: $cdom,$cnum);
1384: $code_type=$result{"type\0$old_name"};
1385: @allcodes=split(',',$result{$old_name});
1386: $num_todo=scalar(@allcodes);
1387: } elsif ($single_code) {
1388:
1389: # If an alpha code have to convert to numbers so it can be
1390: # converted back to letters again :-)
1391: #
1392: if ($code_type ne 'number') {
1393: $single_code = &letters_to_num($single_code);
1394: $num_todo = 1;
1395: }
1396: @allcodes = ($single_code);
1397: } else {
1398: my %allcodes;
1399: srand($seed);
1400: for (my $i=0;$i<$num_todo;$i++) {
1401: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1402: $code_type);
1403: }
1404: if ($code_name) {
1405: &Apache::lonnet::put('CODEs',
1406: {
1407: $code_name =>join(',',keys(%allcodes)),
1408: "type\0$code_name" => $code_type
1409: },
1410: $cdom,$cnum);
1411: }
1412: @allcodes=keys(%allcodes);
1413: }
1414: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1415: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1416: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1417: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1418: $number_per_page=$num_todo;
1419: }
1420: my $flag_latex_header_remove = 'NO';
1421: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1422: my $count=0;
1423: foreach my $code (sort(@allcodes)) {
1424: my $file_num=int($count/$number_per_page);
1425: if ($code_type eq 'number') {
1426: $moreenv{'CODE'}=$code;
1427: } else {
1428: $moreenv{'CODE'}=&num_to_letters($code);
1429: }
1430: my ($output,$fullname, $printed)=
1431: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1432: \@master_seq,$flag_latex_header_remove,
1433: $LaTeXwidth);
1434: $resources_printed .= ":";
1435: $print_array[$file_num].=$output;
1436: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1437: &mt('last assignment').' '.$fullname);
1438: $flag_latex_header_remove = 'YES';
1439: $count++;
1440: if (&Apache::loncommon::connection_aborted($r)) { last; }
1441: }
1442: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1443: $result .= $print_array[0].' \end{document}';
1444: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1445: #prints selected problems from the subdirectory
1446: $selectionmade = 6;
1447: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1448: @list_of_files=sort @list_of_files;
1449: my $flag_latex_header_remove = 'NO';
1450: my $rndseed=time;
1451: if ($helper->{'VARS'}->{'curseed'}) {
1452: $rndseed=$helper->{'VARS'}->{'curseed'};
1453: }
1454: for (my $i=0;$i<=$#list_of_files;$i++) {
1455: my $urlp = $list_of_files[$i];
1456: $urlp=~s|//|/|;
1457: if ($urlp=~/\//) {
1458: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1459: $form{'rndseed'}=$rndseed;
1460: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1461: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1462: } else {
1463: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1464: }
1465: $resources_printed .= $urlp.':';
1466: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1467: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1468: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1469: # Don't permanently pervert %form:
1470: my %answerform = %form;
1471: $answerform{'grade_target'}='answer';
1472: $answerform{'answer_output_mode'}='tex';
1473: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1474: $answerform{'rndseed'}=$rndseed;
1475: $resources_printed .= $urlp.':';
1476: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1477: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1478: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1479: } else {
1480: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1481: if ($helper->{'VARS'}->{'construction'} ne '1') {
1482: $texversion.='\vskip 0 mm \noindent ';
1483: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1484: } else {
1485: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1486: my $URLpath=$urlp;
1487: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1488: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1489: }
1490: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1491: }
1492: }
1493: #this chunck is responsible for printing the path to problem
1494: my $newurlp=$urlp;
1495: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1496: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1497: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1498: if ($flag_latex_header_remove ne 'NO') {
1499: $texversion = &latex_header_footer_remove($texversion);
1500: } else {
1501: $texversion =~ s/\\end{document}//;
1502: }
1503: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1504: $texversion=&IndexCreation($texversion,$urlp);
1505: }
1506: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1507: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1508:
1509: }
1510: $result .= $texversion;
1511: }
1512: $flag_latex_header_remove = 'YES';
1513: }
1514: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1515: $result .= '\end{document}';
1516: }
1517: #-------------------------------------------------------- corrections for the different page formats
1518: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1519: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1520: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1521: #changes page's parameters for the one column output
1522: if ($numberofcolumns == 1) {
1523: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1524: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1525: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1526: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1527: }
1528:
1529: #-- writing .tex file in prtspool
1530: my $temp_file;
1531: my $identifier = &Apache::loncommon::get_cgi_id();
1532: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1533: if (!($#print_array>0)) {
1534: unless ($temp_file = Apache::File->new('>'.$filename)) {
1535: $r->log_error("Couldn't open $filename for output $!");
1536: return SERVER_ERROR;
1537: }
1538: print $temp_file $result;
1539: my $begin=index($result,'\begin{document}',0);
1540: my $inc=substr($result,0,$begin+16);
1541: } else {
1542: my $begin=index($result,'\begin{document}',0);
1543: my $inc=substr($result,0,$begin+16);
1544: for (my $i=0;$i<=$#print_array;$i++) {
1545: if ($i==0) {
1546: $print_array[$i]=$result;
1547: } else {
1548: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1549: substr($print_array[$i],0,$anobegin)='';
1550: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1551: }
1552: my $temp_file;
1553: my $newfilename=$filename;
1554: my $num=$i+1;
1555: $newfilename =~s/\.tex$//;
1556: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1557: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1558: $r->log_error("Couldn't open $newfilename for output $!");
1559: return SERVER_ERROR;
1560: }
1561: print $temp_file $print_array[$i];
1562: }
1563: }
1564: my $student_names='';
1565: if ($#print_array>0) {
1566: for (my $i=0;$i<=$#print_array;$i++) {
1567: $student_names.=$student_names[$i].'_ENDPERSON_';
1568: }
1569: } else {
1570: if ($#student_names>-1) {
1571: $student_names=$student_names[0].'_ENDPERSON_';
1572: } else {
1573: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1574: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1575: $env{'request.course.sec'},$fullname).
1576: '_ENDPERSON_'.'_END_';
1577: }
1578: }
1579:
1580: my $URLback=''; #link to original document
1581: if ($helper->{'VARS'}->{'construction'} ne '1') {
1582: #prints published resource
1583: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1584: } else {
1585: #prints resource from the construction space
1586: $URLback='/'.$helper->{'VARS'}->{'filename'};
1587: if ($URLback=~/([^?]+)/) {
1588: $URLback=$1;
1589: $URLback=~s|^/~|/priv/|;
1590: }
1591: }
1592: # logic for now is too complex to trace if this has been defined
1593: # yet.
1594: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1595: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1596: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1597: 'cgi.'.$identifier.'.layout' => $laystyle,
1598: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1599: 'cgi.'.$identifier.'.paper' => $papersize,
1600: 'cgi.'.$identifier.'.selection' => $selectionmade,
1601: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1602: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1603: 'cgi.'.$identifier.'.role' => $env{'request.role.adv'},
1604: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1605: 'cgi.'.$identifier.'.studentnames' => $student_names,
1606: 'cgi.'.$identifier.'.backref' => $URLback,);
1607: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1608: "cgi.$identifier.domain" => $env{'user.domain'},
1609: "cgi.$identifier.courseid" => $cnum,
1610: "cgi.$identifier.coursedom" => $cdom,
1611: "cgi.$identifier.resources" => $resources_printed);
1612:
1613: $r->print(<<FINALEND);
1614: <br />
1615: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1616: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1617: </body>
1618: </html>
1619: FINALEND
1620: }
1621:
1622:
1623: sub get_CODE {
1624: my ($all_codes,$num,$seed,$size,$type)=@_;
1625: my $max='1'.'0'x$size;
1626: my $newcode;
1627: while(1) {
1628: $newcode=sprintf("%06d",int(rand($max)));
1629: if (!exists($$all_codes{$newcode})) {
1630: $$all_codes{$newcode}=1;
1631: if ($type eq 'number' ) {
1632: return $newcode;
1633: } else {
1634: return &num_to_letters($newcode);
1635: }
1636: }
1637: }
1638: }
1639:
1640: sub print_resources {
1641: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1642: $LaTeXwidth)=@_;
1643: my $current_output = '';
1644: my $printed = '';
1645: my ($username,$userdomain,$usersection) = split /:/,$person;
1646: my $fullname = &get_name($username,$userdomain);
1647: my $namepostfix;
1648: if ($person =~ 'anon') {
1649: $namepostfix="\\\\Name: ";
1650: $fullname = "CODE - ".$moreenv->{'CODE'};
1651: }
1652: my $i = 0;
1653: #goes through all resources, checks if they are available for
1654: #current student, and produces output
1655: &Apache::lonnet::delenv('form.counter');
1656: &Apache::lonxml::init_counter();
1657:
1658: my %page_breaks = &get_page_breaks($helper);
1659:
1660: foreach my $curresline (@{$master_seq}) {
1661: if (defined $page_breaks{$curresline}) {
1662: if($i != 0) {
1663: $current_output.= "\\newpage\n";
1664: }
1665: }
1666: $i++;
1667: if ( !($type eq 'problems' &&
1668: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1669: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1670: if (&Apache::lonnet::allowed('bre',$res_url)) {
1671: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1672: $printed .= $curresline.':';
1673: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1674: my $lonidsdir=$r->dir_config('lonIDsDir');
1675: my $envfile=$env{'user.environment'};
1676: $envfile=~/\/([^\/]+)\.id$/;
1677: $envfile=$1;
1678: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1679: my $current_counter=$env{'form.counter'};
1680: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1681: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1682: # Use a copy of the hash so we don't pervert it on future loop passes.
1683: my %answerenv = %{$moreenv};
1684: $answerenv{'answer_output_mode'}='tex';
1685: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1686: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1687: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1688: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1689: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1690: } else {
1691: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1692: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1693: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1694: $rendered.='\vskip 1 mm '.$ansrendered;
1695: }
1696: }
1697: if ($remove_latex_header eq 'YES') {
1698: $rendered = &latex_header_footer_remove($rendered);
1699: } else {
1700: $rendered =~ s/\\end{document}//;
1701: }
1702: $current_output .= $rendered;
1703: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1704: $printed .= $curresline.':';
1705: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1706: my $lonidsdir=$r->dir_config('lonIDsDir');
1707: my $envfile=$env{'user.environment'};
1708: $envfile=~/\/([^\/]+)\.id$/;
1709: $envfile=$1;
1710: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1711: my $current_counter=$env{'form.counter'};
1712: if ($remove_latex_header eq 'YES') {
1713: $rendered = &latex_header_footer_remove($rendered);
1714: } else {
1715: $rendered =~ s/\\end{document}//;
1716: }
1717: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1718: } else {
1719: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1720: if ($remove_latex_header ne 'NO') {
1721: $rendered = &latex_header_footer_remove($rendered);
1722: } else {
1723: $rendered =~ s/\\end{document}//;
1724: }
1725: $current_output .= $rendered;
1726: }
1727: }
1728: $remove_latex_header = 'YES';
1729: }
1730: if (&Apache::loncommon::connection_aborted($r)) { last; }
1731: }
1732: my $courseidinfo = &get_course();
1733: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1734: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1735: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1736: if ($current_output=~/\\documentclass/) {
1737: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1738: } else {
1739: my $blankpages = '';
1740: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1741: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1742: }
1743: return ($current_output,$fullname, $printed);
1744:
1745: }
1746:
1747: sub handler {
1748:
1749: my $r = shift;
1750: my $helper;
1751:
1752: # my $loaderror=&Apache::lonnet::overloaderror($r);
1753: # if ($loaderror) { return $loaderror; }
1754: # $loaderror=
1755: # &Apache::lonnet::overloaderror($r,
1756: # $env{'course.'.$env{'request.course.id'}.'.home'});
1757: # if ($loaderror) { return $loaderror; }
1758:
1759: my $result = printHelper($r);
1760: if (!ref($result)) {
1761: return $result;
1762: }
1763: $helper = $result;
1764:
1765: # my $key;
1766: # foreach $key (keys %{$helper->{'VARS'}}) {
1767: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1768: # }
1769: # foreach $key (keys %env) {
1770: # $r->print(' '.$key.'->'.$env{$key}.'<-<br />');
1771: # }
1772: # return OK;
1773:
1774: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1775:
1776: # my $key;
1777: # foreach $key (keys %parmhash) {
1778: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1779: # }
1780: #
1781:
1782:
1783: # If a figure conversion queue file exists for this user.domain
1784: # we delete it since it can only be bad (if it were good, printout.pl
1785: # would have deleted it the last time around.
1786:
1787: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1788: if(-e $conversion_queuefile) {
1789: unlink $conversion_queuefile;
1790: }
1791: &output_data($r,$helper,\%parmhash);
1792: return OK;
1793: }
1794:
1795: use Apache::lonhelper;
1796:
1797: sub addMessage {
1798: my $text = shift;
1799: my $paramHash = Apache::lonhelper::getParamHash();
1800: $paramHash->{MESSAGE_TEXT} = $text;
1801: Apache::lonhelper::message->new();
1802: }
1803:
1804: use Data::Dumper;
1805:
1806: sub printHelper {
1807: my $r = shift;
1808:
1809: if ($r->header_only) {
1810: if ($env{'browser.mathml'}) {
1811: &Apache::loncommon::content_type($r,'text/xml');
1812: } else {
1813: &Apache::loncommon::content_type($r,'text/html');
1814: }
1815: $r->send_http_header;
1816: return OK;
1817: }
1818:
1819: # Send header, nocache
1820: if ($env{'browser.mathml'}) {
1821: &Apache::loncommon::content_type($r,'text/xml');
1822: } else {
1823: &Apache::loncommon::content_type($r,'text/html');
1824: }
1825: &Apache::loncommon::no_cache($r);
1826: $r->send_http_header;
1827: $r->rflush();
1828:
1829: # Unfortunately, this helper is so complicated we have to
1830: # write it by hand
1831:
1832: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1833:
1834: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1835: $helper->declareVar('symb');
1836: $helper->declareVar('postdata');
1837: $helper->declareVar('curseed');
1838: $helper->declareVar('probstatus');
1839: $helper->declareVar('filename');
1840: $helper->declareVar('construction');
1841: $helper->declareVar('assignment');
1842: $helper->declareVar('style_file');
1843: $helper->declareVar('student_sort');
1844: $helper->declareVar('FINISHPAGE');
1845: $helper->declareVar('PRINT_TYPE');
1846: $helper->declareVar("showallfoils");
1847:
1848: # The page breaks can get loaded initially from the course environment:
1849:
1850: if((!defined($env{"form.CURRENT_STATE"})) ||
1851: ($env{'form.CURRENT_STATE'} == "START")) {
1852: $helper->{VARS}->{FINISHPAGE} = ""; # In case they did a back e.g.
1853: }
1854:
1855:
1856:
1857: &Apache::loncommon::restore_course_settings('print',
1858: {'pagebreaks' => 'scalar',
1859: 'lastprinttype' => 'scalar'});
1860:
1861:
1862: if("$helper->{VARS}->{PRINT_TYPE}" eq "$env{'form.lastprinttype'}") {
1863: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1864: }
1865:
1866:
1867: # This will persistently load in the data we want from the
1868: # very first screen.
1869: # Detect whether we're coming from construction space
1870: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1871: $helper->{VARS}->{'filename'} = "~$1/$2";
1872: $helper->{VARS}->{'construction'} = 1;
1873: } else {
1874: if ($env{'form.postdata'}) {
1875: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1876: }
1877: if ($env{'form.symb'}) {
1878: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1879: }
1880: if ($env{'form.url'}) {
1881: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1882: }
1883: }
1884:
1885: if ($env{'form.symb'}) {
1886: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1887: }
1888: if ($env{'form.url'}) {
1889: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1890:
1891: }
1892: $helper->{VARS}->{'symb'}=
1893: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1894: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1895: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1896:
1897:
1898: # Extract map
1899: my $symb = $helper->{VARS}->{'symb'};
1900: my ($map, $id, $url);
1901: my $subdir;
1902:
1903: # Get the resource name from construction space
1904: if ($helper->{VARS}->{'construction'}) {
1905: $resourceTitle = substr($helper->{VARS}->{'filename'},
1906: rindex($helper->{VARS}->{'filename'}, '/')+1);
1907: $subdir = substr($helper->{VARS}->{'filename'},
1908: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1909: } else {
1910: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1911: $helper->{VARS}->{'postdata'} =
1912: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1913:
1914: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1915: my $postdata = $helper->{VARS}->{'postdata'};
1916: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1917: }
1918: $subdir = &Apache::lonnet::filelocation("", $url);
1919: }
1920: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
1921: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1922: }
1923: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1924: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
1925: }
1926:
1927: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1928: my $userPriviledged = ($env{'request.role'}=~m/^cc\./ or
1929: $env{'request.role'}=~m/^in\./ or
1930: $env{'request.role'}=~m/^ta\./);
1931:
1932: Apache::lonhelper::registerHelperTags();
1933:
1934: # "Delete everything after the last slash."
1935: $subdir =~ s|/[^/]+$||;
1936: if (not $helper->{VARS}->{'construction'}) {
1937: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1938: }
1939: # "Remove all duplicate slashes."
1940: $subdir =~ s|/+|/|g;
1941:
1942: # What can be printed is a very dynamic decision based on
1943: # lots of factors. So we need to dynamically build this list.
1944: # To prevent security leaks, states are only added to the wizard
1945: # if they can be reached, which ensures manipulating the form input
1946: # won't allow anyone to reach states they shouldn't have permission
1947: # to reach.
1948:
1949: # printChoices is tracking the kind of printing the user can
1950: # do, and will be used in a choices construction later.
1951: # In the meantime we will be adding states and elements to
1952: # the helper by hand.
1953: my $printChoices = [];
1954: my $paramHash;
1955:
1956: if ($resourceTitle) {
1957: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1958: }
1959:
1960: # Useful filter strings
1961: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1962: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1963: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
1964: my $isNotMap = '!$res->is_sequence()';
1965: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1966: my $isMap = '$res->is_map()';
1967: my $symbFilter = '$res->shown_symb()';
1968: my $urlValue = '$res->link()';
1969:
1970: $helper->declareVar('SEQUENCE');
1971:
1972: # Useful for debugging: Dump the help vars
1973: # $r->print(Dumper($helper->{VARS}));
1974: # $r->print($map);
1975:
1976: # If we're in a sequence...
1977: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1978:
1979: $helper->{VARS}->{'postdata'} &&
1980: $helper->{VARS}->{'assignment'}) {
1981: # Allow problems from sequence
1982: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1983: # Allow all resources from sequence
1984: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1985:
1986: my $helperFragment = <<HELPERFRAGMENT;
1987: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1988: <message>(mark them then click "next" button) <br /></message>
1989: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1990: closeallpages="1">
1991: <nextstate>PAGESIZE</nextstate>
1992: <filterfunc>return $isProblem;</filterfunc>
1993: <mapurl>$map</mapurl>
1994: <valuefunc>return $symbFilter;</valuefunc>
1995: <option text='Newpage' variable='FINISHPAGE' />
1996: </resource>
1997: </state>
1998:
1999: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
2000: <message>(mark them then click "next" button) <br /></message>
2001: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2002: closeallpages="1">
2003: <nextstate>PAGESIZE</nextstate>
2004: <filterfunc>return $isNotMap;</filterfunc>
2005: <mapurl>$map</mapurl>
2006: <valuefunc>return $symbFilter;</valuefunc>
2007: <option text='Newpage' variable='FINISHPAGE' />
2008: </resource>
2009: </state>
2010: HELPERFRAGMENT
2011:
2012: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
2013: }
2014:
2015: # If the user is privileged, allow them to print all
2016: # problems and resources in the entier course, optionally for selected students
2017: if ($userPriviledged &&
2018: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
2019:
2020: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
2021: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
2022: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
2023: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
2024: <message>(mark them then click "next" button) <br /></message>
2025: <resource variable="RESOURCES" toponly='0' multichoice="1"
2026: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2027: <nextstate>PAGESIZE</nextstate>
2028: <filterfunc>return $isProblemOrMap;</filterfunc>
2029: <choicefunc>return $isNotMap;</choicefunc>
2030: <valuefunc>return $symbFilter;</valuefunc>
2031: <option text='Newpage' variable='FINISHPAGE' />
2032: </resource>
2033: </state>
2034: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2035: <message>(Mark them then click "next" button) <br /> </message>
2036: <resource variable="RESOURCES" toponly='0' multichoice='1'
2037: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2038: <nextstate>PAGESIZE</nextstate>
2039: <filterfunc>return $isNotMap; </filterfunc>
2040: <valuefunc>return $symbFilter;</valuefunc>
2041: <option text='NewPage' variable='FINISHPAGE' />
2042: </resource>
2043: </state>
2044: ALL_PROBLEMS
2045:
2046: if ($helper->{VARS}->{'assignment'}) {
2047: 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'];
2048: 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'];
2049: }
2050: my $resource_selector=<<RESOURCE_SELECTOR;
2051: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2052: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2053: closeallpages="1">
2054: <filterfunc>return $isProblem;</filterfunc>
2055: <mapurl>$map</mapurl>
2056: <valuefunc>return $symbFilter;</valuefunc>
2057: <option text='New Page' variable='FINISHPAGE' />
2058: </resource>
2059: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2060: <choices variable="EMPTY_PAGES">
2061: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2062: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2063: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2064: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2065: </choices>
2066: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2067: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2068: RESOURCE_SELECTOR
2069:
2070: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2071: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2072: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
2073: <message><b>Select sort order</b> </message>
2074: <choices variable='student_sort'>
2075: <choice computer='0'>Sort by section then student</choice>
2076: <choice computer='1'>Sort by students across sections.</choice>
2077: </choices>
2078: $resource_selector
2079: </state>
2080: CHOOSE_STUDENTS
2081:
2082: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2083: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2084: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2085: my $namechoice='<choice></choice>';
2086: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2087: if ($name =~ /^error: 2 /) { next; }
2088: if ($name =~ /^type\0/) { next; }
2089: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2090: }
2091: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2092: my $codechoice='';
2093: foreach my $line (<FH>) {
2094: my ($name,$description,$code_type,$code_length)=
2095: (split(/:/,$line))[0,1,2,4];
2096: if ($code_length > 0 &&
2097: $code_type =~/^(letter|number|-1)/) {
2098: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2099: }
2100: }
2101: if ($codechoice eq '') {
2102: $codechoice='<choice computer="default">Default</choice>';
2103: }
2104: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2105: <state name="CHOOSE_ANON1" title="Select Students and Resources">
2106: <nextstate>PAGESIZE</nextstate>
2107: <message><hr width='33%' /></message>
2108: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2109: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2110: <validator>
2111: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2112: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2113: !\$helper->{'VARS'}{'SINGLE_CODE'}) {
2114: return "You need to specify the number of assignments to print";
2115: }
2116: return undef;
2117: </validator>
2118: </string>
2119: <message></td></tr><tr><td></message>
2120: <message><b>Value of CODE to print?</b></td><td></message>
2121: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2122: <validator>
2123: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2124: !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
2125: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2126: \$helper->{'VARS'}{'CODE_OPTION'});
2127: } else {
2128: return undef; # Other forces control us.
2129: }
2130: </validator>
2131: </string>
2132: <message></td></tr><tr><td></message>
2133: <message><b>Names to store the CODEs under for later:</b></message>
2134: <message></td><td></message>
2135: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2136: <message></td></tr><tr><td></message>
2137: <message><b>Bubble sheet type:</b></message>
2138: <message></td><td></message>
2139: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2140: $codechoice
2141: </dropdown>
2142: <message></td></tr></table></message>
2143: <message><hr width='33%' /></message>
2144: <message><b>Reprint a set of saved CODEs:</b></message>
2145: <dropdown variable="REUSE_OLD_CODES">
2146: $namechoice
2147: </dropdown>
2148: <message><hr width='33%' /></message>
2149: $resource_selector
2150: </state>
2151: CHOOSE_ANON1
2152:
2153:
2154: if ($helper->{VARS}->{'assignment'}) {
2155: 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'];
2156: 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'];
2157: }
2158:
2159:
2160: $resource_selector=<<RESOURCE_SELECTOR;
2161: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2162: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2163: closeallpages="1">
2164: <filterfunc>return $isNotMap;</filterfunc>
2165: <mapurl>$map</mapurl>
2166: <valuefunc>return $symbFilter;</valuefunc>
2167: <option text='Newpage' variable='FINISHPAGE' />
2168: </resource>
2169: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2170: <choices variable="EMPTY_PAGES">
2171: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2172: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2173: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2174: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2175: </choices>
2176: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2177: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2178: RESOURCE_SELECTOR
2179:
2180: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2181: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2182: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
2183: <choices variable='student_sort'>
2184: <choice computer='0'>Sort by section then student</choice>
2185: <choice computer='1'>Sort by students across sections.</choice>
2186: </choices>
2187:
2188: $resource_selector
2189: </state>
2190: CHOOSE_STUDENTS1
2191:
2192: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2193: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2194: <nextstate>PAGESIZE</nextstate>
2195: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2196: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2197: <validator>
2198: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2199: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2200: !\$helper->{'VARS'}{'SINGLE_CODE'}) {
2201: return "You need to specify the number of assignments to print";
2202: }
2203: return undef;
2204: </validator>
2205: </string>
2206: <message></td></tr><tr><td></message>
2207: <message><b>Value of CODE to print?</b></td><td></message>
2208: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2209: <validator>
2210: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2211: !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
2212: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2213: \$helper->{'VARS'}{'CODE_OPTION'});
2214: } else {
2215: return undef; # Other forces control us.
2216: }
2217: </validator>
2218: </string>
2219: <message></td></tr><tr><td></message>
2220: <message><b>Names to store the CODEs under for later:</b></message>
2221: <message></td><td></message>
2222: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2223: <message></td></tr><tr><td></message>
2224: <message><b>Bubble sheet type:</b></message>
2225: <message></td><td></message>
2226: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2227: $codechoice
2228: </dropdown>
2229: <message></td></tr></table></message>
2230: <message><hr width='33%' /></message>
2231: <message><b>Reprint a set of saved CODEs:</b></message>
2232: <dropdown variable="REUSE_OLD_CODES">
2233: $namechoice
2234: </dropdown>
2235: <message><hr width='33%' /></message>
2236: $resource_selector
2237: </state>
2238: CHOOSE_ANON2
2239: }
2240:
2241: # FIXME: That RE should come from a library somewhere.
2242: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2243: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2244:
2245: my $f = '$filename';
2246: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2247: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2248: <message>(mark them then click "next" button) <br /></message>
2249: <files variable="FILES" multichoice='1'>
2250: <nextstate>PAGESIZE</nextstate>
2251: <filechoice>return '$subdir';</filechoice>
2252: CHOOSE_FROM_SUBDIR
2253:
2254: # this is broken up because I really want interpolation above,
2255: # and I really DON'T want it below
2256: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2257: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2258: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2259: </filefilter>
2260: </files>
2261: </state>
2262: CHOOSE_FROM_SUBDIR
2263: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2264: }
2265:
2266: # Allow the user to select any sequence in the course, feed it to
2267: # another resource selector for that sequence
2268: if (!$helper->{VARS}->{'construction'}) {
2269: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
2270: 'select_sequences', 'CHOOSE_SEQUENCE'];
2271: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2272: #Escape apostrophes and backslashes for Perl
2273: $escapedSequenceName =~ s/\\/\\\\/g;
2274: $escapedSequenceName =~ s/'/\\'/g;
2275: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2276: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2277: <message>Select the sequence to print resources from:</message>
2278: <resource variable="SEQUENCE">
2279: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2280: <filterfunc>return \$res->is_sequence;</filterfunc>
2281: <valuefunc>return $urlValue;</valuefunc>
2282: <option text='Newpage' variable='FINISHPAGE' />
2283: </resource>
2284: </state>
2285: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2286: <message>(mark desired resources then click "next" button) <br /></message>
2287: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2288: closeallpages="1">
2289: <nextstate>PAGESIZE</nextstate>
2290: <filterfunc>return $isProblem</filterfunc>
2291: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2292: <valuefunc>return $symbFilter;</valuefunc>
2293: <option text='Newpage' variable='FINISHPAGE' />
2294: </resource>
2295: </state>
2296: CHOOSE_FROM_ANY_SEQUENCE
2297: }
2298:
2299: # Generate the first state, to select which resources get printed.
2300: Apache::lonhelper::state->new("START", "Select Printing Options:");
2301: $paramHash = Apache::lonhelper::getParamHash();
2302: $paramHash->{MESSAGE_TEXT} = "";
2303: Apache::lonhelper::message->new();
2304: $paramHash = Apache::lonhelper::getParamHash();
2305: $paramHash->{'variable'} = 'PRINT_TYPE';
2306: $paramHash->{CHOICES} = $printChoices;
2307: Apache::lonhelper::choices->new();
2308:
2309: my $startedTable = 0; # have we started an HTML table yet? (need
2310: # to close it later)
2311:
2312: if (($env{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2313: ($helper->{VARS}->{'construction'} eq '1')) {
2314: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2315: $paramHash = Apache::lonhelper::getParamHash();
2316: $paramHash->{'variable'} = 'ANSWER_TYPE';
2317: $helper->declareVar('ANSWER_TYPE');
2318: $paramHash->{CHOICES} = [
2319: ['Without Answers', 'yes'],
2320: ['With Answers', 'no'],
2321: ['Only Answers', 'only']
2322: ];
2323: Apache::lonhelper::dropdown->new();
2324: addMessage("</td></tr>");
2325: $startedTable = 1;
2326: }
2327:
2328: if ($env{'request.role.adv'}) {
2329: if (!$startedTable) {
2330: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2331: $startedTable = 1;
2332: } else {
2333: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2334: }
2335: $paramHash = Apache::lonhelper::getParamHash();
2336: $paramHash->{'variable'} = 'LATEX_TYPE';
2337: $helper->declareVar('LATEX_TYPE');
2338: if ($helper->{VARS}->{'construction'} eq '1') {
2339: $paramHash->{CHOICES} = [
2340: ['standard LaTeX mode', 'standard'],
2341: ['LaTeX batchmode', 'batchmode'], ];
2342: } else {
2343: $paramHash->{CHOICES} = [
2344: ['LaTeX batchmode', 'batchmode'],
2345: ['standard LaTeX mode', 'standard'] ];
2346: }
2347: Apache::lonhelper::dropdown->new();
2348:
2349: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2350: $paramHash = Apache::lonhelper::getParamHash();
2351: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2352: $helper->declareVar('TABLE_CONTENTS');
2353: $paramHash->{CHOICES} = [
2354: ['No', 'no'],
2355: ['Yes', 'yes'] ];
2356: Apache::lonhelper::dropdown->new();
2357: addMessage("</td></tr>");
2358:
2359: if (not $helper->{VARS}->{'construction'}) {
2360: addMessage("<tr><td align='right'>Print Index: </td><td>");
2361: $paramHash = Apache::lonhelper::getParamHash();
2362: $paramHash->{'variable'} = 'TABLE_INDEX';
2363: $helper->declareVar('TABLE_INDEX');
2364: $paramHash->{CHOICES} = [
2365: ['No', 'no'],
2366: ['Yes', 'yes'] ];
2367: Apache::lonhelper::dropdown->new();
2368: addMessage("</td></tr>");
2369: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2370: $paramHash = Apache::lonhelper::getParamHash();
2371: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2372: $helper->declareVar('PRINT_DISCUSSIONS');
2373: $paramHash->{CHOICES} = [
2374: ['No', 'no'],
2375: ['Yes', 'yes'] ];
2376: Apache::lonhelper::dropdown->new();
2377: addMessage("</td></tr>");
2378:
2379: # If advanced roles, then allow to show all foils.
2380:
2381: if ($env{'request.role.adv'}) {
2382: addMessage("<tr><td align = 'right'> </td><td>");
2383: $paramHash = Apache::lonhelper::getParamHash();
2384: $paramHash->{'multichoice'} = "true";
2385: $paramHash->{'allowempty'} = "true";
2386: $paramHash->{'variable'} = "showallfoils";
2387: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2388: Apache::lonhelper::choices->new();
2389: addMessage("</td></tr>");
2390: }
2391:
2392: }
2393:
2394: if ($helper->{'VARS'}->{'construction'}) {
2395: my $stylevalue=$env{'construct.style'};
2396: my $xmlfrag .= <<"RNDSEED";
2397: <message><tr><td align='right'>Use random seed: </td><td></message>
2398: <string variable="curseed" size="15" maxlength="15">
2399: <defaultvalue>
2400: return $helper->{VARS}->{'curseed'};
2401: </defaultvalue>
2402: </string>
2403: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2404: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message>
2405: <choices allowempty="1" multichoice="true" variable="showallfoils">
2406: <choice computer="1">Show all foils?</choice>
2407: </choices>
2408: <message></td></tr></message>
2409: RNDSEED
2410: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2411: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2412:
2413: }
2414:
2415: }
2416:
2417:
2418:
2419:
2420: if ($startedTable) {
2421: addMessage("</table>");
2422: }
2423:
2424: Apache::lonprintout::page_format_state->new("FORMAT");
2425:
2426: # Generate the PAGESIZE state which will offer the user the margin
2427: # choices if they select one column
2428: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2429: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2430:
2431:
2432: $helper->process();
2433:
2434: # MANUAL BAILOUT CONDITION:
2435: # If we're in the "final" state, bailout and return to handler
2436: if ($helper->{STATE} eq 'FINAL') {
2437: return $helper;
2438: }
2439:
2440: $r->print($helper->display());
2441:
2442: &Apache::lonhelper::unregisterHelperTags();
2443:
2444: return OK;
2445: }
2446:
2447:
2448: 1;
2449:
2450: package Apache::lonprintout::page_format_state;
2451:
2452: =pod
2453:
2454: =head1 Helper element: page_format_state
2455:
2456: See lonhelper.pm documentation for discussion of the helper framework.
2457:
2458: Apache::lonprintout::page_format_state is an element that gives the
2459: user an opportunity to select the page layout they wish to print
2460: with: Number of columns, portrait/landscape, and paper size. If you
2461: want to change the paper size choices, change the @paperSize array
2462: contents in this package.
2463:
2464: page_format_state is always directly invoked in lonprintout.pm, so there
2465: is no tag interface. You actually pass parameters to the constructor.
2466:
2467: =over 4
2468:
2469: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2470:
2471: =back
2472:
2473: =cut
2474:
2475: use Apache::lonhelper;
2476:
2477: no strict;
2478: @ISA = ("Apache::lonhelper::element");
2479: use strict;
2480: use Apache::lonlocal;
2481: use Apache::lonnet;
2482:
2483: my $maxColumns = 2;
2484: # it'd be nice if these all worked
2485: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2486: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2487: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2488: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2489: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2490: "a4 [210x297 mm]");
2491:
2492: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2493: # Paper type
2494:
2495: sub new {
2496: my $self = Apache::lonhelper::element->new();
2497:
2498: shift;
2499:
2500: $self->{'variable'} = shift;
2501: my $helper = Apache::lonhelper::getHelper();
2502: $helper->declareVar($self->{'variable'});
2503: bless($self);
2504: return $self;
2505: }
2506:
2507: sub render {
2508: my $self = shift;
2509: my $helper = Apache::lonhelper::getHelper();
2510: my $result = '';
2511: my $var = $self->{'variable'};
2512: my $PageLayout=&mt('Page layout');
2513: my $NumberOfColumns=&mt('Number of columns');
2514: my $PaperType=&mt('Paper type');
2515: $result .= <<STATEHTML;
2516:
2517: <hr width="33%" />
2518: <table cellpadding="3">
2519: <tr>
2520: <td align="center"><b>$PageLayout</b></td>
2521: <td align="center"><b>$NumberOfColumns</b></td>
2522: <td align="center"><b>$PaperType</b></td>
2523: </tr>
2524: <tr>
2525: <td>
2526: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2527: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2528: </td>
2529: <td align="center">
2530: <select name="${var}.cols">
2531: STATEHTML
2532:
2533: my $i;
2534: for ($i = 1; $i <= $maxColumns; $i++) {
2535: if ($i == 2) {
2536: $result .= "<option value='$i' selected>$i</option>\n";
2537: } else {
2538: $result .= "<option value='$i'>$i</option>\n";
2539: }
2540: }
2541:
2542: $result .= "</select></td><td>\n";
2543: $result .= "<select name='${var}.paper'>\n";
2544:
2545: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2546: my $DefaultPaperSize=$parmhash{'default_paper_size'};
2547: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2548: $i = 0;
2549: foreach (@paperSize) {
2550: $_=~/(\w+)/;
2551: my $papersize=$1;
2552: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2553: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2554: } else {
2555: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2556: }
2557: $i++;
2558: }
2559: $result .= "</select></td></tr></table>";
2560: return $result;
2561: }
2562:
2563: sub postprocess {
2564: my $self = shift;
2565:
2566: my $var = $self->{'variable'};
2567: my $helper = Apache::lonhelper->getHelper();
2568: $helper->{VARS}->{$var} =
2569: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2570: $env{"form.$var.paper"};
2571: return 1;
2572: }
2573:
2574: 1;
2575:
2576: package Apache::lonprintout::page_size_state;
2577:
2578: =pod
2579:
2580: =head1 Helper element: page_size_state
2581:
2582: See lonhelper.pm documentation for discussion of the helper framework.
2583:
2584: Apache::lonprintout::page_size_state is an element that gives the
2585: user the opportunity to further refine the page settings if they
2586: select a single-column page.
2587:
2588: page_size_state is always directly invoked in lonprintout.pm, so there
2589: is no tag interface. You actually pass parameters to the constructor.
2590:
2591: =over 4
2592:
2593: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2594:
2595: =back
2596:
2597: =cut
2598:
2599: use Apache::lonhelper;
2600: use Apache::lonnet;
2601: no strict;
2602: @ISA = ("Apache::lonhelper::element");
2603: use strict;
2604:
2605:
2606:
2607: sub new {
2608: my $self = Apache::lonhelper::element->new();
2609:
2610: shift; # disturbs me (probably prevents subclassing) but works (drops
2611: # package descriptor)... - Jeremy
2612:
2613: $self->{'variable'} = shift;
2614: my $helper = Apache::lonhelper::getHelper();
2615: $helper->declareVar($self->{'variable'});
2616:
2617: # The variable name of the format element, so we can look into
2618: # $helper->{VARS} to figure out whether the columns are one or two
2619: $self->{'formatvar'} = shift;
2620:
2621: # The state to transition to after selection, or after discovering
2622: # the cols are not set to 1
2623: $self->{NEXTSTATE} = shift;
2624: bless($self);
2625: return $self;
2626: }
2627:
2628: sub render {
2629: my $self = shift;
2630: my $helper = Apache::lonhelper::getHelper();
2631: my $result = '';
2632: my $var = $self->{'variable'};
2633:
2634: if (defined $self->{ERROR_MSG}) {
2635: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2636: }
2637:
2638: $result .= <<ELEMENTHTML;
2639:
2640: <p>How should the column be formatted?</p>
2641:
2642: <table cellpadding='3'>
2643: <tr>
2644: <td align='right'><b>Width</b>:</td>
2645: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2646: <td align='left'>
2647: <select name='$var.widthunit'>
2648: <option>cm</option><option>in</option>
2649: </select>
2650: </td>
2651: </tr>
2652: <tr>
2653: <td align='right'><b>Height</b>:</td>
2654: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2655: <td align='left'>
2656: <select name='$var.heightunit'>
2657: <option>cm</option><option>in</option>
2658: </select>
2659: </td>
2660: </tr>
2661: <tr>
2662: <td align='right'><b>Left margin</b>:</td>
2663: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2664: <td align='left'>
2665: <select name='$var.lmarginunit'>
2666: <option>cm</option><option>in</option>
2667: </select>
2668: </td>
2669: </tr>
2670: </table>
2671:
2672: <p>Hint: Some instructors like to leave scratch space for the student by
2673: making the width much smaller than the width of the page.</p>
2674:
2675: ELEMENTHTML
2676:
2677: return $result;
2678: }
2679:
2680: # If the user didn't select 1 column, skip this state.
2681: sub preprocess {
2682: my $self = shift;
2683: my $helper = Apache::lonhelper::getHelper();
2684:
2685: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2686: if (substr($format, 2, 1) ne '1') {
2687: $helper->changeState($self->{NEXTSTATE});
2688: }
2689:
2690: return 1;
2691: }
2692:
2693: sub postprocess {
2694: my $self = shift;
2695:
2696: my $var = $self->{'variable'};
2697: my $helper = Apache::lonhelper->getHelper();
2698: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
2699: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
2700: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
2701: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
2702: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
2703: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
2704:
2705: my $error = '';
2706:
2707: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2708: # by an optional period, followed by digits, ending the string
2709:
2710: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2711: $error .= "Invalid width; please type only a number.<br />\n";
2712: }
2713: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2714: $error .= "Invalid height; please type only a number.<br />\n";
2715: }
2716: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2717: $error .= "Invalid left margin; please type only a number.<br />\n";
2718: }
2719:
2720: if (!$error) {
2721: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2722: return 1;
2723: } else {
2724: $self->{ERROR_MSG} = $error;
2725: return 0;
2726: }
2727: }
2728:
2729:
2730:
2731: __END__
2732:
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