1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.383 2005/08/15 22:39:43 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 $resources_printed = '';
46:
47: # Determine if a code is a valid numeric code. Valid
48: # numeric codes must be comprised entirely of digits and
49: # have a maximum number of allowable digits.
50: #
51: # Parameters:
52: # value - proposed code value.
53: # max_digits - Maximum digits allowed.
54: #
55: sub is_valid_numeric_code {
56: my ($value, $max_digits) = @_;
57: # Remove leading/trailing whitespace;
58: $value =~ s/^\s*//;
59: $value =~ s/\s*$//;
60:
61: # All digits?
62:
63: if ($value =~ /^[0-9]+$/) {
64: if (length($value) <= $max_digits) {
65: return undef;
66: } else {
67: return "Numeric code $value has too many digits (max = $max_digits)";
68: }
69: } else {
70: return "Numeric code $value has invalid characters - must only be digits";
71: }
72: }
73: # Determines if a code is a valid alhpa code. Alpha codes
74: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
75: # They also have a maximum digit count.
76: # Parameters:
77: # value - Proposed code value.
78: # max_letters - Maximum number of letters.
79: # Note:
80: # leading and trailing whitespace are ignored.
81: #
82: sub is_valid_alpha_code {
83: my ($value, $max_letters) = @_;
84:
85: # strip leading and trailing spaces.
86:
87: $value =~ s/^\s*//g;
88: $value =~ s/\s*$//g;
89:
90: # All alphas in the right range?
91:
92: if ($value =~ /^[A-J,a-j]+$/) {
93: if (length($value) <= $max_letters) {
94: return undef;
95: } else {
96: return "Letter code $value has too many letters (max = $max_letters)";
97: }
98: } else {
99: return "Invalid letter code $value must only contain A-J";
100: }
101: }
102:
103: # Determine if a code entered by the user in a helper is valid.
104: # valid depends on the code type and the type of code selected.
105: # The type of code selected can either be numeric or
106: # Alphabetic. If alphabetic, the code, in fact is a simple
107: # substitution cipher for the actual numeric code: 0->A, 1->B ...
108: # We'll be nice and be case insensitive for alpha codes.
109: # Parameters:
110: # code_value - the value of the code the user typed in.
111: # code_option - The code type selected from the set in the scantron format
112: # table.
113: # Returns:
114: # undef - The code is valid.
115: # other - An error message indicating what's wrong.
116: #
117: sub is_code_valid {
118: my ($code_value, $code_option) = @_;
119: my ($code_type, $code_length) = ('letter', 6); # defaults.
120: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
121: foreach my $line (<FG>) {
122: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
123: if($name eq $code_option) {
124: $code_length = $length;
125: if($type eq 'number') {
126: $code_type = 'number';
127: }
128: }
129: }
130: my $valid;
131: if ($code_type eq 'number') {
132: $valid = &is_valid_numeric_code($code_value, $code_length);
133: } else {
134: $valid = &is_valid_alpha_code($code_value, $code_length);
135: }
136:
137:
138: return "Entering a single code is not supported (yet): $code_type $code_length $valid";
139: }
140:
141: # Compare two students by name. The students are in the form
142: # returned by the helper:
143: # user:domain:section:last, first:status
144: # This is a helper function for the perl sort built-in therefore:
145: # Implicit Inputs:
146: # $a - The first element to compare (global)
147: # $b - The second element to compare (global)
148: # Returns:
149: # -1 - $a < $b
150: # 0 - $a == $b
151: # +1 - $a > $b
152: # Note that the initial comparison is done on the last names with the
153: # first names only used to break the tie.
154: #
155: #
156: sub compare_names {
157: # First split the names up into the primary fields.
158:
159: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
160: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
161:
162: # Now split the last name and first name of each n:
163: #
164:
165: my ($l1,$f1) = split(/,/, $n1);
166: my ($l2,$f2) = split(/,/, $n2);
167:
168: # We don't bother to remove the leading/trailing whitespace from the
169: # firstname, unless the last names compare identical.
170:
171: if($l1 lt $l2) {
172: return -1;
173: }
174: if($l1 gt $l2) {
175: return 1;
176: }
177:
178: # Break the tie on the first name, but there are leading (possibly trailing
179: # whitespaces to get rid of first
180: #
181: $f1 =~ s/^\s+//; # Remove leading...
182: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
183:
184: $f2 =~ s/^\s+//;
185: $f2 =~ s/\s+$//; # And the same for first 2...
186:
187: if($f1 lt $f2) {
188: return -1;
189: }
190: if($f1 gt $f2) {
191: return 1;
192: }
193:
194: # Must be the same name.
195:
196: return 0;
197: }
198:
199: sub latex_header_footer_remove {
200: my $text = shift;
201: $text =~ s/\\end{document}//;
202: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
203: return $text;
204: }
205:
206:
207: sub character_chart {
208: my $result = shift;
209: $result =~ s/&\#0?0?(7|9);//g;
210: $result =~ s/&\#0?(10|13);//g;
211: $result =~ s/&\#0?32;/ /g;
212: $result =~ s/&\#0?33;/!/g;
213: $result =~ s/&(\#0?34|quot);/\"/g;
214: $result =~ s/&\#0?35;/\\\#/g;
215: $result =~ s/&\#0?36;/\\\$/g;
216: $result =~ s/&\#0?37;/\\%/g;
217: $result =~ s/&(\#0?38|amp);/\\&/g;
218: $result =~ s/&\#(0?39|146);/\'/g;
219: $result =~ s/&\#0?40;/(/g;
220: $result =~ s/&\#0?41;/)/g;
221: $result =~ s/&\#0?42;/\*/g;
222: $result =~ s/&\#0?43;/\+/g;
223: $result =~ s/&\#(0?44|130);/,/g;
224: $result =~ s/&\#0?45;/-/g;
225: $result =~ s/&\#0?46;/\./g;
226: $result =~ s/&\#0?47;/\//g;
227: $result =~ s/&\#0?48;/0/g;
228: $result =~ s/&\#0?49;/1/g;
229: $result =~ s/&\#0?50;/2/g;
230: $result =~ s/&\#0?51;/3/g;
231: $result =~ s/&\#0?52;/4/g;
232: $result =~ s/&\#0?53;/5/g;
233: $result =~ s/&\#0?54;/6/g;
234: $result =~ s/&\#0?55;/7/g;
235: $result =~ s/&\#0?56;/8/g;
236: $result =~ s/&\#0?57;/9/g;
237: $result =~ s/&\#0?58;/:/g;
238: $result =~ s/&\#0?59;/;/g;
239: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
240: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
241: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
242: $result =~ s/&\#0?63;/\?/g;
243: $result =~ s/&\#0?65;/A/g;
244: $result =~ s/&\#0?66;/B/g;
245: $result =~ s/&\#0?67;/C/g;
246: $result =~ s/&\#0?68;/D/g;
247: $result =~ s/&\#0?69;/E/g;
248: $result =~ s/&\#0?70;/F/g;
249: $result =~ s/&\#0?71;/G/g;
250: $result =~ s/&\#0?72;/H/g;
251: $result =~ s/&\#0?73;/I/g;
252: $result =~ s/&\#0?74;/J/g;
253: $result =~ s/&\#0?75;/K/g;
254: $result =~ s/&\#0?76;/L/g;
255: $result =~ s/&\#0?77;/M/g;
256: $result =~ s/&\#0?78;/N/g;
257: $result =~ s/&\#0?79;/O/g;
258: $result =~ s/&\#0?80;/P/g;
259: $result =~ s/&\#0?81;/Q/g;
260: $result =~ s/&\#0?82;/R/g;
261: $result =~ s/&\#0?83;/S/g;
262: $result =~ s/&\#0?84;/T/g;
263: $result =~ s/&\#0?85;/U/g;
264: $result =~ s/&\#0?86;/V/g;
265: $result =~ s/&\#0?87;/W/g;
266: $result =~ s/&\#0?88;/X/g;
267: $result =~ s/&\#0?89;/Y/g;
268: $result =~ s/&\#0?90;/Z/g;
269: $result =~ s/&\#0?91;/[/g;
270: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
271: $result =~ s/&\#0?93;/]/g;
272: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
273: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
274: $result =~ s/&\#(0?96|145);/\`/g;
275: $result =~ s/&\#0?97;/a/g;
276: $result =~ s/&\#0?98;/b/g;
277: $result =~ s/&\#0?99;/c/g;
278: $result =~ s/&\#100;/d/g;
279: $result =~ s/&\#101;/e/g;
280: $result =~ s/&\#102;/f/g;
281: $result =~ s/&\#103;/g/g;
282: $result =~ s/&\#104;/h/g;
283: $result =~ s/&\#105;/i/g;
284: $result =~ s/&\#106;/j/g;
285: $result =~ s/&\#107;/k/g;
286: $result =~ s/&\#108;/l/g;
287: $result =~ s/&\#109;/m/g;
288: $result =~ s/&\#110;/n/g;
289: $result =~ s/&\#111;/o/g;
290: $result =~ s/&\#112;/p/g;
291: $result =~ s/&\#113;/q/g;
292: $result =~ s/&\#114;/r/g;
293: $result =~ s/&\#115;/s/g;
294: $result =~ s/&\#116;/t/g;
295: $result =~ s/&\#117;/u/g;
296: $result =~ s/&\#118;/v/g;
297: $result =~ s/&\#119;/w/g;
298: $result =~ s/&\#120;/x/g;
299: $result =~ s/&\#121;/y/g;
300: $result =~ s/&\#122;/z/g;
301: $result =~ s/&\#123;/\\{/g;
302: $result =~ s/&\#124;/\|/g;
303: $result =~ s/&\#125;/\\}/g;
304: $result =~ s/&\#126;/\~/g;
305: $result =~ s/&\#131;/\\textflorin /g;
306: $result =~ s/&\#132;/\"/g;
307: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
308: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
309: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
310: $result =~ s/&\#137;/\\textperthousand /g;
311: $result =~ s/&\#140;/{\\OE}/g;
312: $result =~ s/&\#147;/\`\`/g;
313: $result =~ s/&\#148;/\'\'/g;
314: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
315: $result =~ s/&\#150;/--/g;
316: $result =~ s/&\#151;/---/g;
317: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
318: $result =~ s/&\#153;/\\texttrademark /g;
319: $result =~ s/&\#156;/\\oe/g;
320: $result =~ s/&\#159;/\\\"Y/g;
321: $result =~ s/&(\#160|nbsp);/~/g;
322: $result =~ s/&(\#161|iexcl);/!\`/g;
323: $result =~ s/&(\#162|cent);/\\textcent /g;
324: $result =~ s/&(\#163|pound);/\\pounds /g;
325: $result =~ s/&(\#164|curren);/\\textcurrency /g;
326: $result =~ s/&(\#165|yen);/\\textyen /g;
327: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
328: $result =~ s/&(\#167|sect);/\\textsection /g;
329: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
330: $result =~ s/&(\#169|copy);/\\copyright /g;
331: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
332: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
333: $result =~ s/&(\#173|shy);/ - /g;
334: $result =~ s/&(\#174|reg);/\\textregistered /g;
335: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
336: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
337: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
338: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
339: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
340: $result =~ s/&(\#180|acute);/\\textacute /g;
341: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
342: $result =~ s/&(\#182|para);/\\P/g;
343: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
344: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
345: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
346: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
347: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
348: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
349: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
350: $result =~ s/&(\#191|iquest);/?\`/g;
351: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
352: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
353: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
354: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
355: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
356: $result =~ s/&(\#197|Aring);/{\\AA}/g;
357: $result =~ s/&(\#198|AElig);/{\\AE}/g;
358: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
359: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
360: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
361: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
362: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
363: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
364: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
365: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
366: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
367: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
368: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
369: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
370: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
371: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
372: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
373: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
374: $result =~ s/&(\#216|Oslash);/{\\O}/g;
375: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
376: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
377: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
378: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
379: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
380: $result =~ s/&(\#223|szlig);/{\\ss}/g;
381: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
382: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
383: $result =~ s/&(\#226|acirc);/\\^{a}/g;
384: $result =~ s/&(\#227|atilde);/\\~{a}/g;
385: $result =~ s/&(\#228|auml);/\\\"{a}/g;
386: $result =~ s/&(\#229|aring);/{\\aa}/g;
387: $result =~ s/&(\#230|aelig);/{\\ae}/g;
388: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
389: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
390: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
391: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
392: $result =~ s/&(\#235|euml);/\\\"{e}/g;
393: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
394: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
395: $result =~ s/&(\#238|icirc);/\\^{i}/g;
396: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
397: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
398: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
399: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
400: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
401: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
402: $result =~ s/&(\#245|otilde);/\\~{o}/g;
403: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
404: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
405: $result =~ s/&(\#248|oslash);/{\\o}/g;
406: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
407: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
408: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
409: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
410: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
411: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
412: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
413: #Greek Alphabet
414: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
415: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
416: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
417: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
418: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
419: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
420: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
421: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
422: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
423: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
424: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
425: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
426: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
427: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
428: $result =~ s/&(omicron|\#959);/o/g;
429: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
430: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
431: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
432: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
433: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
434: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
435: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
436: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
437: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
438: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
439: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
440: $result =~ s/&(Alpha|\#913);/A/g;
441: $result =~ s/&(Beta|\#914);/B/g;
442: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
443: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
444: $result =~ s/&(Epsilon|\#917);/E/g;
445: $result =~ s/&(Zeta|\#918);/Z/g;
446: $result =~ s/&(Eta|\#919);/H/g;
447: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
448: $result =~ s/&(Iota|\#921);/I/g;
449: $result =~ s/&(Kappa|\#922);/K/g;
450: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
451: $result =~ s/&(Mu|\#924);/M/g;
452: $result =~ s/&(Nu|\#925);/N/g;
453: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
454: $result =~ s/&(Omicron|\#927);/O/g;
455: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
456: $result =~ s/&(Rho|\#929);/P/g;
457: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
458: $result =~ s/&(Tau|\#932);/T/g;
459: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
460: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
461: $result =~ s/&(Chi|\#935);/X/g;
462: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
463: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
464: #Arrows (extended HTML 4.01)
465: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
466: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
467: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
468: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
469: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
470: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
471: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
472: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
473: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
474: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
475: #Mathematical Operators (extended HTML 4.01)
476: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
477: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
478: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
479: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
480: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
481: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
482: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
483: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
484: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
485: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
486: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
487: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
488: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
489: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
490: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
491: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
492: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
493: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
494: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
495: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
496: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
497: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
498: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
499: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
500: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
501: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
502: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
503: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
504: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
505: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
506: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
507: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
508: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
509: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
510: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
511: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
512: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
513: #Geometric Shapes (extended HTML 4.01)
514: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
515: #Miscellaneous Symbols (extended HTML 4.01)
516: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
517: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
518: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
519: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
520: return $result;
521: }
522:
523:
524: #width, height, oddsidemargin, evensidemargin, topmargin
525: my %page_formats=
526: ('letter' => {
527: 'book' => {
528: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
529: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
530: },
531: 'album' => {
532: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'],
533: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
534: },
535: },
536: 'legal' => {
537: 'book' => {
538: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
539: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
540: },
541: 'album' => {
542: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
543: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
544: },
545: },
546: 'tabloid' => {
547: 'book' => {
548: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
549: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
550: },
551: 'album' => {
552: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
553: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
554: },
555: },
556: 'executive' => {
557: 'book' => {
558: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
559: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
560: },
561: 'album' => {
562: '1' => [],
563: '2' => []
564: },
565: },
566: 'a2' => {
567: 'book' => {
568: '1' => [],
569: '2' => []
570: },
571: 'album' => {
572: '1' => [],
573: '2' => []
574: },
575: },
576: 'a3' => {
577: 'book' => {
578: '1' => [],
579: '2' => []
580: },
581: 'album' => {
582: '1' => [],
583: '2' => []
584: },
585: },
586: 'a4' => {
587: 'book' => {
588: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
589: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
590: },
591: 'album' => {
592: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
593: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
594: },
595: },
596: 'a5' => {
597: 'book' => {
598: '1' => [],
599: '2' => []
600: },
601: 'album' => {
602: '1' => [],
603: '2' => []
604: },
605: },
606: 'a6' => {
607: 'book' => {
608: '1' => [],
609: '2' => []
610: },
611: 'album' => {
612: '1' => [],
613: '2' => []
614: },
615: },
616: );
617:
618: sub page_format {
619: #
620: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
621: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
622: # "A2 [420x594 mm]", "A3 [297x420 mm]",
623: # "A4 [210x297 mm]", "A5 [148x210 mm]",
624: # "A6 [105x148 mm]"
625: #
626: my ($papersize,$layout,$numberofcolumns) = @_;
627: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
628: }
629:
630:
631: sub get_name {
632: my ($uname,$udom)=@_;
633: if (!defined($uname)) { $uname=$env{'user.name'}; }
634: if (!defined($udom)) { $udom=$env{'user.domain'}; }
635: my $plainname=&Apache::loncommon::plainname($uname,$udom);
636: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
637: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
638: return $plainname;
639: }
640:
641: sub get_course {
642: my $courseidinfo;
643: if (defined($env{'request.course.id'})) {
644: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
645: }
646: return $courseidinfo;
647: }
648:
649: sub page_format_transformation {
650: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
651: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
652: if ($selectionmade eq '4') {
653: $assignment='Problems from the Whole Course';
654: } else {
655: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
656: }
657: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
658: my $name = &get_name();
659: my $courseidinfo = &get_course();
660: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
661: my $topmargintoinsert = '';
662: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
663: my $fancypagestatement='';
664: if ($numberofcolumns eq '2') {
665: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
666: } else {
667: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
668: }
669: if ($layout eq 'album') {
670: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
671: } elsif ($layout eq 'book') {
672: if ($choice ne 'All class print') {
673: $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/;
674: } else {
675: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
676: }
677: if ($papersize eq 'a4') {
678: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
679: }
680: }
681: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
682: if ($indexlist eq 'yes') {
683: $text=~s/(\\begin{document})/\\makeindex $1/;
684: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
685: }
686: return $text;
687: }
688:
689:
690: sub page_cleanup {
691: my $result = shift;
692:
693: $result =~ m/\\end{document}(\d*)$/;
694: my $number_of_columns = $1;
695: my $insert = '{';
696: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
697: $insert .= '}';
698: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
699: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
700: return $result,$number_of_columns;
701: }
702:
703:
704: sub details_for_menu {
705: my ($helper)=@_;
706: my $postdata=$env{'form.postdata'};
707: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
708: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
709: my $symbolic = &Apache::lonnet::symbread($postdata);
710: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
711: $map=&Apache::lonnet::clutter($map);
712: my $name_of_sequence = &Apache::lonnet::gettitle($map);
713: if ($name_of_sequence =~ /^\s*$/) {
714: $map =~ m|([^/]+)$|;
715: $name_of_sequence = $1;
716: }
717: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
718: if ($name_of_map =~ /^\s*$/) {
719: $env{'request.course.uri'} =~ m|([^/]+)$|;
720: $name_of_map = $1;
721: }
722: return ($name_of_resource,$name_of_sequence,$name_of_map);
723: }
724:
725:
726: sub latex_corrections {
727:
728: my ($number_of_columns,$result,$selectionmade) = @_;
729:
730: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
731: $result =~ s/\$number_of_columns/$number_of_columns/g;
732: if ($selectionmade ne '1') {
733: $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/;
734: } else {
735: $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/;
736: }
737: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
738: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
739: #-- LaTeX corrections
740: my $first_comment = index($result,'<!--',0);
741: while ($first_comment != -1) {
742: my $end_comment = index($result,'-->',$first_comment);
743: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
744: $first_comment = index($result,'<!--',$first_comment);
745: }
746: $result =~ s/^\s+$//gm; #remove empty lines
747: #removes more than one empty space
748: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
749: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
750: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
751: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
752: $result =~ s/\\\\\s+\[/ \[/g;
753: #conversion of html characters to LaTeX equivalents
754: if ($result =~ m/&(\w+|#\d+);/) {
755: $result = &character_chart($result);
756: }
757: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
758: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
759:
760: return $result;
761: }
762:
763:
764: sub index_table {
765: my $currentURL = shift;
766: my $insex_string='';
767: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
768: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
769: return $insex_string;
770: }
771:
772:
773: sub IndexCreation {
774: my ($texversion,$currentURL)=@_;
775: my @key_words=split(/,/,&index_table($currentURL));
776: my $chunk='';
777: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
778: if ($st>0) {
779: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
780: $chunk=substr($texversion,0,$st+1);
781: substr($texversion,0,$st+1)=' ';
782: }
783: foreach my $key_word (@key_words) {
784: if ($key_word=~/\S+/) {
785: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
786: }
787: }
788: if ($st>0) {substr($texversion,0,1)=$chunk;}
789: return $texversion;
790: }
791:
792: sub print_latex_header {
793: my $mode=shift;
794: my $output='\documentclass[letterpaper]{article}';
795: if (($mode eq 'batchmode') || (!$env{'request.role.adv'})) {
796: $output.='\batchmode';
797: }
798: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
799: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
800: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
801: '\usepackage{picins}\usepackage{calc}'."\n".
802: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
803: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
804: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
805: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
806: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
807: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
808: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
809: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
810: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
811: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
812: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
813: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
814: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
815: return $output;
816: }
817:
818: sub path_to_problem {
819: my ($urlp,$colwidth)=@_;
820: my $newurlp = '';
821: $colwidth=~s/\s*mm\s*$//;
822: #characters average about 2 mm in width
823: if (length($urlp)*2 > $colwidth) {
824: my @elements = split '/',$urlp;
825: my $curlength=0;
826: foreach my $element (@elements) {
827: if ($curlength+(length($element)*2) > $colwidth) {
828: $newurlp .= '|\vskip -1 mm \noindent \verb|';
829: $curlength=0;
830: } else {
831: $curlength+=length($element)*2;
832: }
833: $newurlp.='/'.$element;
834: }
835: } else {
836: $newurlp=$urlp;
837: }
838: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
839: }
840:
841: sub recalcto_mm {
842: my $textwidth=shift;
843: my $LaTeXwidth;
844: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
845: $LaTeXwidth = $1*10;
846: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
847: $LaTeXwidth = $1;
848: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
849: $LaTeXwidth = $1*25.4;
850: }
851: $LaTeXwidth.=' mm';
852: return $LaTeXwidth;
853: }
854:
855: sub get_textwidth {
856: my ($helper,$LaTeXwidth)=@_;
857: my $textwidth=$LaTeXwidth;
858: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
859: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
860: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
861: $helper->{'VARS'}->{'pagesize.widthunit'});
862: }
863: return $textwidth;
864: }
865:
866:
867: sub unsupported {
868: my ($currentURL,$mode)=@_;
869: if ($mode ne '') {$mode='\\'.$mode}
870: my $result.= &print_latex_header($mode);
871: if ($currentURL=~/\/ext\//) {
872: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
873: } else {
874: $result.=$currentURL;
875: }
876: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
877: return $result;
878: }
879:
880:
881: #
882: # Retrieve the hash of page breaks.
883: #
884: # Inputs:
885: # helper - reference to helper object.
886: # Outputs
887: # A reference to a page break hash.
888: #
889: #
890:
891: sub get_page_breaks {
892: my ($helper) = @_;
893: my %page_breaks;
894:
895: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
896: $page_breaks{$break} = 1;
897: }
898:
899: return %page_breaks;
900: }
901:
902: sub output_data {
903: my ($r,$helper,$rparmhash) = @_;
904: my %parmhash = %$rparmhash;
905: my $html=&Apache::lonxml::xmlbegin();
906: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
907: $r->print(<<ENDPART);
908: $html
909: <head>
910: <script type="text/javascript" language="Javascript">
911: var editbrowser;
912: function openbrowser(formname,elementname,only,omit) {
913: var url = '/res/?';
914: if (editbrowser == null) {
915: url += 'launch=1&';
916: }
917: url += 'catalogmode=interactive&';
918: url += 'mode=parmset&';
919: url += 'form=' + formname + '&';
920: if (only != null) {
921: url += 'only=' + only + '&';
922: }
923: if (omit != null) {
924: url += 'omit=' + omit + '&';
925: }
926: url += 'element=' + elementname + '';
927: var title = 'Browser';
928: var options = 'scrollbars=1,resizable=1,menubar=0';
929: options += ',width=700,height=600';
930: editbrowser = open(url,title,options,'1');
931: editbrowser.focus();
932: }
933: </script>
934: <title>LON-CAPA output for printing</title>
935: </head>
936: $bodytag
937: Please stand by while processing your print request, this may take some time ...
938: ENDPART
939:
940:
941:
942: # fetch the pagebreaks and store them in the course environment
943: # The page breaks will be pulled into the hash %page_breaks which is
944: # indexed by symb and contains 1's for each break.
945:
946: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
947: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
948: &Apache::loncommon::store_course_settings('print',
949: {'pagebreaks' => 'scalar',
950: 'lastprinttype' => 'scalar'});
951:
952: my %page_breaks = &get_page_breaks($helper);
953:
954: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
955: my ($result,$selectionmade) = ('','');
956: my $number_of_columns = 1; #used only for pages to determine the width of the cell
957: my @temporary_array=split /\|/,$format_from_helper;
958: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
959: if ($laystyle eq 'L') {
960: $laystyle='album';
961: } else {
962: $laystyle='book';
963: }
964: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
965: my $assignment = $env{'form.assignment'};
966: my $LaTeXwidth=&recalcto_mm($textwidth);
967: my @print_array=();
968: my @student_names=();
969:
970: # Common settings for the %form has:
971: # In some cases these settings get overriddent by specific cases, but the
972: # settings are common enough to make it worthwhile factoring them out
973: # here.
974: #
975: my %form;
976: $form{'grade_target'} = 'tex';
977: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
978:
979: # If form.showallfoils is set, then request all foils be shown:
980: # privilege will be enforced both by not allowing the
981: # check box selecting this option to be presnt unless it's ok,
982: # and by lonresponse's priv. check.
983: # The if is here because lonresponse.pm only cares that
984: # showallfoils is defined, not what the value is.
985:
986: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
987: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
988: }
989:
990: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
991: #-- single document - problem, page, html, xml, ...
992: my ($currentURL,$cleanURL);
993:
994: if ($helper->{'VARS'}->{'construction'} ne '1') {
995: #prints published resource
996: $currentURL=$helper->{'VARS'}->{'postdata'};
997: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
998: } else {
999: #prints resource from the construction space
1000: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1001: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1002: $cleanURL=$currentURL;
1003: }
1004: $selectionmade = 1;
1005: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1006: my $rndseed=time;
1007: my $texversion='';
1008: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1009: my %moreenv;
1010: $moreenv{'request.filename'}=$cleanURL;
1011: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1012: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1013: my $dom = $env{'user.domain'};
1014: my $user = $env{'user.name'};
1015: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1016: }
1017: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1018: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1019: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1020: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1021: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1022: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1023: if ($helper->{'VARS'}->{'curseed'}) {
1024: $rndseed=$helper->{'VARS'}->{'curseed'};
1025: }
1026: $form{'rndseed'}=$rndseed;
1027: &Apache::lonnet::appenv(%moreenv);
1028: &Apache::lonnet::delenv('form.counter');
1029: &Apache::lonxml::init_counter();
1030: $resources_printed .= $currentURL.':';
1031: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1032: &Apache::lonnet::delenv('form.counter');
1033: &Apache::lonnet::delenv('request.filename');
1034: }
1035: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1036: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1037: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1038: $form{'grade_target'}='answer';
1039: $form{'answer_output_mode'}='tex';
1040: $form{'rndseed'}=$rndseed;
1041: $resources_printed .= $currentURL.':';
1042: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1043: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1044: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1045: } else {
1046: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1047: if ($helper->{'VARS'}->{'construction'} ne '1') {
1048: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1049: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1050: } else {
1051: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1052: my $URLpath=$cleanURL;
1053: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1054: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1055: }
1056: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1057: }
1058: }
1059: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1060: $texversion=&IndexCreation($texversion,$currentURL);
1061: }
1062: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1063: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1064:
1065: }
1066: $result .= $texversion;
1067: if ($currentURL=~m/\.page\s*$/) {
1068: ($result,$number_of_columns) = &page_cleanup($result);
1069: }
1070: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1071: #printing content of sequence from the construction space
1072: my $flag_latex_header_remove = 'NO';
1073: my $rndseed=time;
1074: if ($helper->{'VARS'}->{'curseed'}) {
1075: $rndseed=$helper->{'VARS'}->{'curseed'};
1076: }
1077: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1078: my $errtext=&Apache::lonratedt::mapread($currentURL);
1079: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
1080: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
1081: my $urlp=$2;
1082: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1083: my $texversion='';
1084: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1085: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1086: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1087: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1088: $form{'rndseed'}=$rndseed;
1089: $resources_printed .=$urlp.':';
1090: $texversion=&Apache::lonnet::ssi($urlp,%form);
1091: }
1092: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1093: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1094: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1095: # Don't permanently modify %$form...
1096: my %answerform = %form;
1097: $answerform{'grade_target'}='answer';
1098: $answerform{'answer_output_mode'}='tex';
1099: $answerform{'rndseed'}=$rndseed;
1100: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1101: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1102: $resources_printed .= $urlp.':';
1103: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1104: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1105: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1106: } else {
1107: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1108: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1109: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
1110: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1111: }
1112: }
1113: if ($flag_latex_header_remove ne 'NO') {
1114: $texversion = &latex_header_footer_remove($texversion);
1115: } else {
1116: $texversion =~ s/\\end{document}//;
1117: }
1118: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1119: $texversion=&IndexCreation($texversion,$urlp);
1120: }
1121: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1122: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1123: }
1124: $result.=$texversion;
1125: $flag_latex_header_remove = 'YES';
1126: } elsif ($urlp=~/\.(sequence|page)$/) {
1127: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1128: }
1129: }
1130: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1131: $result .= '\end{document}';
1132: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1133: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1134: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1135: $resources_printed .= $currentURL.':';
1136: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1137: $result .= $texversion;
1138: } else {
1139: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1140: }
1141: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1142: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1143: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1144: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1145: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1146: #-- produce an output string
1147: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1148: $selectionmade = 2;
1149: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1150: $selectionmade = 3;
1151: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1152: $selectionmade = 4;
1153: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1154: $selectionmade = 4;
1155: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1156: $selectionmade = 7;
1157: }
1158: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1159: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1160: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1161: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1162: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1163: my $flag_latex_header_remove = 'NO';
1164: my $flag_page_in_sequence = 'NO';
1165: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1166: my $prevassignment='';
1167: &Apache::lonnet::delenv('form.counter');
1168: &Apache::lonxml::init_counter();
1169: for (my $i=0;$i<=$#master_seq;$i++) {
1170:
1171: # Note due to document structure, not allowed to put \newpage
1172: # prior to the first resource
1173:
1174: if (defined $page_breaks{$master_seq[$i]}) {
1175: if($i != 0) {
1176: $result.="\\newpage\n";
1177: }
1178: }
1179: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1180: $urlp=&Apache::lonnet::clutter($urlp);
1181: $form{'symb'}=$master_seq[$i];
1182: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
1183: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1184: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1185: if ($i==0) {$prevassignment=$assignment;}
1186: my $texversion='';
1187: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1188: $resources_printed .= $urlp.':';
1189: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1190: if ($urlp=~/\.page$/) {
1191: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1192: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1193: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1194: $flag_page_in_sequence = 'YES';
1195: }
1196: my $lonidsdir=$r->dir_config('lonIDsDir');
1197: my $envfile=$env{'user.environment'};
1198: $envfile=~/\/([^\/]+)\.id$/;
1199: $envfile=$1;
1200: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1201: my $current_counter=$env{'form.counter'};
1202: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1203: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1204: # Don't permanently pervert the %form hash
1205: my %answerform = %form;
1206: $answerform{'grade_target'}='answer';
1207: $answerform{'answer_output_mode'}='tex';
1208: $resources_printed .= $urlp.':';
1209: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1210: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1211: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1212: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1213: } else {
1214: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1215: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1216: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
1217: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1218: $texversion.='\vskip 1 mm '.$answer;
1219: } else {
1220: $texversion='';
1221: }
1222: }
1223: }
1224: if ($flag_latex_header_remove ne 'NO') {
1225: $texversion = &latex_header_footer_remove($texversion);
1226: } else {
1227: $texversion =~ s/\\end{document}//;
1228: }
1229: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1230: $texversion=&IndexCreation($texversion,$urlp);
1231: }
1232: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1233: my $name = &get_name();
1234: my $courseidinfo = &get_course();
1235: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1236: $prevassignment=$assignment;
1237: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1238: }
1239: $result .= $texversion;
1240: $flag_latex_header_remove = 'YES';
1241: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1242: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1243: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1244: $resources_printed .= $urlp.':';
1245: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1246: if ($flag_latex_header_remove ne 'NO') {
1247: $texversion = &latex_header_footer_remove($texversion);
1248: } else {
1249: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1250: }
1251: $result .= $texversion;
1252: $flag_latex_header_remove = 'YES';
1253: } else {
1254: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1255: if ($flag_latex_header_remove ne 'NO') {
1256: $texversion = &latex_header_footer_remove($texversion);
1257: } else {
1258: $texversion =~ s/\\end{document}//;
1259: }
1260: $result .= $texversion;
1261: $flag_latex_header_remove = 'YES';
1262: }
1263: if (&Apache::loncommon::connection_aborted($r)) { last; }
1264: }
1265: &Apache::lonnet::delenv('form.counter');
1266: if ($flag_page_in_sequence eq 'YES') {
1267: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1268: }
1269: $result .= '\end{document}';
1270: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1271: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1272:
1273:
1274: #-- prints assignments for whole class or for selected students
1275: my $type;
1276: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1277: $selectionmade=5;
1278: $type='problems';
1279: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1280: $selectionmade=8;
1281: $type='resources';
1282: }
1283: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1284: # The normal sort order is by section then by students within the
1285: # section. If the helper var student_sort is 1, then the user has elected
1286: # to override this and output the students by name.
1287: # Each element of the students array is of the form:
1288: # username:domain:section:last, first:status
1289: #
1290: #
1291: if ($helper->{'VARS'}->{'student_sort'} eq 1) {
1292: @students = sort compare_names @students;
1293: }
1294: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1295: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1296: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1297: }
1298: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1299:
1300: #loop over students
1301: my $flag_latex_header_remove = 'NO';
1302: my %moreenv;
1303: $moreenv{'instructor_comments'}='hide';
1304: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1305: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1306: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1307: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1308: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1309: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1310: my $student_counter=-1;
1311: foreach my $person (@students) {
1312:
1313: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1314: if (-e $duefile) {
1315: my $temp_file = Apache::File->new('>>'.$duefile);
1316: print $temp_file "1969\n";
1317: }
1318: $student_counter++;
1319: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1320: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1321: $person,$type,
1322: \%moreenv,\@master_seq,
1323: $flag_latex_header_remove,
1324: $LaTeXwidth);
1325: $resources_printed .= ":";
1326: $print_array[$i].=$output;
1327: $student_names[$i].=$person.':'.$fullname.'_END_';
1328: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1329: $flag_latex_header_remove = 'YES';
1330: if (&Apache::loncommon::connection_aborted($r)) { last; }
1331: }
1332: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1333: $result .= $print_array[0].' \end{document}';
1334: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1335: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1336: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1337: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1338: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1339: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1340: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1341:
1342: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1343: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1344: my ($code_type,$code_length)=('letter',6);
1345: foreach my $line (<FH>) {
1346: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1347: if ($name eq $code_option) {
1348: $code_length=$length;
1349: if ($type eq 'number') { $code_type = 'number'; }
1350: }
1351: }
1352: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1353: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1354: my $seed=time+($$<<16)+($$);
1355: my @allcodes;
1356: if ($old_name) {
1357: my %result=&Apache::lonnet::get('CODEs',
1358: [$old_name,"type\0$old_name"],
1359: $cdom,$cnum);
1360: $code_type=$result{"type\0$old_name"};
1361: @allcodes=split(',',$result{$old_name});
1362: $num_todo=scalar(@allcodes);
1363: } else {
1364: my %allcodes;
1365: srand($seed);
1366: for (my $i=0;$i<$num_todo;$i++) {
1367: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1368: $code_type);
1369: }
1370: if ($code_name) {
1371: &Apache::lonnet::put('CODEs',
1372: {
1373: $code_name =>join(',',keys(%allcodes)),
1374: "type\0$code_name" => $code_type
1375: },
1376: $cdom,$cnum);
1377: }
1378: @allcodes=keys(%allcodes);
1379: }
1380: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1381: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1382: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1383: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1384: $number_per_page=$num_todo;
1385: }
1386: my $flag_latex_header_remove = 'NO';
1387: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1388: my $count=0;
1389: foreach my $code (sort(@allcodes)) {
1390: my $file_num=int($count/$number_per_page);
1391: if ($code_type eq 'number') {
1392: $moreenv{'CODE'}=$code;
1393: } else {
1394: $moreenv{'CODE'}=&num_to_letters($code);
1395: }
1396: my ($output,$fullname, $printed)=
1397: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1398: \@master_seq,$flag_latex_header_remove,
1399: $LaTeXwidth);
1400: $resources_printed .= ":";
1401: $print_array[$file_num].=$output;
1402: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1403: &mt('last assignment').' '.$fullname);
1404: $flag_latex_header_remove = 'YES';
1405: $count++;
1406: if (&Apache::loncommon::connection_aborted($r)) { last; }
1407: }
1408: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1409: $result .= $print_array[0].' \end{document}';
1410: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1411: #prints selected problems from the subdirectory
1412: $selectionmade = 6;
1413: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1414: @list_of_files=sort @list_of_files;
1415: my $flag_latex_header_remove = 'NO';
1416: my $rndseed=time;
1417: if ($helper->{'VARS'}->{'curseed'}) {
1418: $rndseed=$helper->{'VARS'}->{'curseed'};
1419: }
1420: for (my $i=0;$i<=$#list_of_files;$i++) {
1421: my $urlp = $list_of_files[$i];
1422: $urlp=~s|//|/|;
1423: if ($urlp=~/\//) {
1424: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1425: $form{'rndseed'}=$rndseed;
1426: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1427: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1428: } else {
1429: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1430: }
1431: $resources_printed .= $urlp.':';
1432: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1433: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1434: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1435: # Don't permanently pervert %form:
1436: my %answerform = %form;
1437: $answerform{'grade_target'}='answer';
1438: $answerform{'answer_output_mode'}='tex';
1439: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1440: $answerform{'rndseed'}=$rndseed;
1441: $resources_printed .= $urlp.':';
1442: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1443: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1444: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1445: } else {
1446: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1447: if ($helper->{'VARS'}->{'construction'} ne '1') {
1448: $texversion.='\vskip 0 mm \noindent ';
1449: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1450: } else {
1451: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1452: my $URLpath=$urlp;
1453: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1454: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1455: }
1456: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1457: }
1458: }
1459: #this chunck is responsible for printing the path to problem
1460: my $newurlp=$urlp;
1461: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1462: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1463: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1464: if ($flag_latex_header_remove ne 'NO') {
1465: $texversion = &latex_header_footer_remove($texversion);
1466: } else {
1467: $texversion =~ s/\\end{document}//;
1468: }
1469: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1470: $texversion=&IndexCreation($texversion,$urlp);
1471: }
1472: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1473: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1474:
1475: }
1476: $result .= $texversion;
1477: }
1478: $flag_latex_header_remove = 'YES';
1479: }
1480: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1481: $result .= '\end{document}';
1482: }
1483: #-------------------------------------------------------- corrections for the different page formats
1484: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1485: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1486: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1487: #changes page's parameters for the one column output
1488: if ($numberofcolumns == 1) {
1489: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1490: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1491: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1492: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1493: }
1494:
1495: #-- writing .tex file in prtspool
1496: my $temp_file;
1497: my $identifier = &Apache::loncommon::get_cgi_id();
1498: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1499: if (!($#print_array>0)) {
1500: unless ($temp_file = Apache::File->new('>'.$filename)) {
1501: $r->log_error("Couldn't open $filename for output $!");
1502: return SERVER_ERROR;
1503: }
1504: print $temp_file $result;
1505: my $begin=index($result,'\begin{document}',0);
1506: my $inc=substr($result,0,$begin+16);
1507: } else {
1508: my $begin=index($result,'\begin{document}',0);
1509: my $inc=substr($result,0,$begin+16);
1510: for (my $i=0;$i<=$#print_array;$i++) {
1511: if ($i==0) {
1512: $print_array[$i]=$result;
1513: } else {
1514: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1515: substr($print_array[$i],0,$anobegin)='';
1516: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1517: }
1518: my $temp_file;
1519: my $newfilename=$filename;
1520: my $num=$i+1;
1521: $newfilename =~s/\.tex$//;
1522: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1523: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1524: $r->log_error("Couldn't open $newfilename for output $!");
1525: return SERVER_ERROR;
1526: }
1527: print $temp_file $print_array[$i];
1528: }
1529: }
1530: my $student_names='';
1531: if ($#print_array>0) {
1532: for (my $i=0;$i<=$#print_array;$i++) {
1533: $student_names.=$student_names[$i].'_ENDPERSON_';
1534: }
1535: } else {
1536: if ($#student_names>-1) {
1537: $student_names=$student_names[0].'_ENDPERSON_';
1538: } else {
1539: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1540: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1541: $env{'request.course.sec'},$fullname).
1542: '_ENDPERSON_'.'_END_';
1543: }
1544: }
1545:
1546: my $URLback=''; #link to original document
1547: if ($helper->{'VARS'}->{'construction'} ne '1') {
1548: #prints published resource
1549: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1550: } else {
1551: #prints resource from the construction space
1552: $URLback='/'.$helper->{'VARS'}->{'filename'};
1553: if ($URLback=~/([^?]+)/) {
1554: $URLback=$1;
1555: $URLback=~s|^/~|/priv/|;
1556: }
1557: }
1558: # logic for now is too complex to trace if this has been defined
1559: # yet.
1560: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1561: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1562: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1563: 'cgi.'.$identifier.'.layout' => $laystyle,
1564: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1565: 'cgi.'.$identifier.'.paper' => $papersize,
1566: 'cgi.'.$identifier.'.selection' => $selectionmade,
1567: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1568: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1569: 'cgi.'.$identifier.'.role' => $env{'request.role.adv'},
1570: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1571: 'cgi.'.$identifier.'.studentnames' => $student_names,
1572: 'cgi.'.$identifier.'.backref' => $URLback,);
1573: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1574: "cgi.$identifier.domain" => $env{'user.domain'},
1575: "cgi.$identifier.courseid" => $cnum,
1576: "cgi.$identifier.coursedom" => $cdom,
1577: "cgi.$identifier.resources" => $resources_printed);
1578:
1579: $r->print(<<FINALEND);
1580: <br />
1581: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1582: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1583: </body>
1584: </html>
1585: FINALEND
1586: }
1587:
1588: sub num_to_letters {
1589: my ($num) = @_;
1590: my @nums= split('',$num);
1591: my @num_to_let=('A'..'Z');
1592: my $word;
1593: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1594: return $word;
1595: }
1596:
1597: sub get_CODE {
1598: my ($all_codes,$num,$seed,$size,$type)=@_;
1599: my $max='1'.'0'x$size;
1600: my $newcode;
1601: while(1) {
1602: $newcode=sprintf("%06d",int(rand($max)));
1603: if (!exists($$all_codes{$newcode})) {
1604: $$all_codes{$newcode}=1;
1605: if ($type eq 'number' ) {
1606: return $newcode;
1607: } else {
1608: return &num_to_letters($newcode);
1609: }
1610: }
1611: }
1612: }
1613:
1614: sub print_resources {
1615: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1616: $LaTeXwidth)=@_;
1617: my $current_output = '';
1618: my $printed = '';
1619: my ($username,$userdomain,$usersection) = split /:/,$person;
1620: my $fullname = &get_name($username,$userdomain);
1621: my $namepostfix;
1622: if ($person =~ 'anon') {
1623: $namepostfix="\\\\Name: ";
1624: $fullname = "CODE - ".$moreenv->{'CODE'};
1625: }
1626: my $i = 0;
1627: #goes through all resources, checks if they are available for
1628: #current student, and produces output
1629: &Apache::lonnet::delenv('form.counter');
1630: &Apache::lonxml::init_counter();
1631:
1632: my %page_breaks = &get_page_breaks($helper);
1633:
1634: foreach my $curresline (@{$master_seq}) {
1635: if (defined $page_breaks{$curresline}) {
1636: if($i != 0) {
1637: $current_output.= "\\newpage\n";
1638: }
1639: }
1640: $i++;
1641: if ( !($type eq 'problems' &&
1642: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1643: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1644: if (&Apache::lonnet::allowed('bre',$res_url)) {
1645: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1646: $printed .= $curresline.':';
1647: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1648: my $lonidsdir=$r->dir_config('lonIDsDir');
1649: my $envfile=$env{'user.environment'};
1650: $envfile=~/\/([^\/]+)\.id$/;
1651: $envfile=$1;
1652: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1653: my $current_counter=$env{'form.counter'};
1654: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1655: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1656: # Use a copy of the hash so we don't pervert it on future loop passes.
1657: my %answerenv = %{$moreenv};
1658: $answerenv{'answer_output_mode'}='tex';
1659: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1660: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1661: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1662: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1663: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1664: } else {
1665: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1666: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1667: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1668: $rendered.='\vskip 1 mm '.$ansrendered;
1669: }
1670: }
1671: if ($remove_latex_header eq 'YES') {
1672: $rendered = &latex_header_footer_remove($rendered);
1673: } else {
1674: $rendered =~ s/\\end{document}//;
1675: }
1676: $current_output .= $rendered;
1677: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1678: $printed .= $curresline.':';
1679: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1680: my $lonidsdir=$r->dir_config('lonIDsDir');
1681: my $envfile=$env{'user.environment'};
1682: $envfile=~/\/([^\/]+)\.id$/;
1683: $envfile=$1;
1684: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1685: my $current_counter=$env{'form.counter'};
1686: if ($remove_latex_header eq 'YES') {
1687: $rendered = &latex_header_footer_remove($rendered);
1688: } else {
1689: $rendered =~ s/\\end{document}//;
1690: }
1691: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1692: } else {
1693: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1694: if ($remove_latex_header ne 'NO') {
1695: $rendered = &latex_header_footer_remove($rendered);
1696: } else {
1697: $rendered =~ s/\\end{document}//;
1698: }
1699: $current_output .= $rendered;
1700: }
1701: }
1702: $remove_latex_header = 'YES';
1703: }
1704: if (&Apache::loncommon::connection_aborted($r)) { last; }
1705: }
1706: my $courseidinfo = &get_course();
1707: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1708: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1709: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1710: if ($current_output=~/\\documentclass/) {
1711: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1712: } else {
1713: my $blankpages = '';
1714: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1715: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1716: }
1717: return ($current_output,$fullname, $printed);
1718:
1719: }
1720:
1721: sub handler {
1722:
1723: my $r = shift;
1724: my $helper;
1725:
1726: # my $loaderror=&Apache::lonnet::overloaderror($r);
1727: # if ($loaderror) { return $loaderror; }
1728: # $loaderror=
1729: # &Apache::lonnet::overloaderror($r,
1730: # $env{'course.'.$env{'request.course.id'}.'.home'});
1731: # if ($loaderror) { return $loaderror; }
1732:
1733: my $result = printHelper($r);
1734: if (!ref($result)) {
1735: return $result;
1736: }
1737: $helper = $result;
1738:
1739: # my $key;
1740: # foreach $key (keys %{$helper->{'VARS'}}) {
1741: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1742: # }
1743: # foreach $key (keys %env) {
1744: # $r->print(' '.$key.'->'.$env{$key}.'<-<br />');
1745: # }
1746: # return OK;
1747:
1748: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1749:
1750: # my $key;
1751: # foreach $key (keys %parmhash) {
1752: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1753: # }
1754: #
1755:
1756:
1757: # If a figure conversion queue file exists for this user.domain
1758: # we delete it since it can only be bad (if it were good, printout.pl
1759: # would have deleted it the last time around.
1760:
1761: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1762: if(-e $conversion_queuefile) {
1763: unlink $conversion_queuefile;
1764: }
1765: &output_data($r,$helper,\%parmhash);
1766: return OK;
1767: }
1768:
1769: use Apache::lonhelper;
1770:
1771: sub addMessage {
1772: my $text = shift;
1773: my $paramHash = Apache::lonhelper::getParamHash();
1774: $paramHash->{MESSAGE_TEXT} = $text;
1775: Apache::lonhelper::message->new();
1776: }
1777:
1778: use Data::Dumper;
1779:
1780: sub printHelper {
1781: my $r = shift;
1782:
1783: if ($r->header_only) {
1784: if ($env{'browser.mathml'}) {
1785: &Apache::loncommon::content_type($r,'text/xml');
1786: } else {
1787: &Apache::loncommon::content_type($r,'text/html');
1788: }
1789: $r->send_http_header;
1790: return OK;
1791: }
1792:
1793: # Send header, nocache
1794: if ($env{'browser.mathml'}) {
1795: &Apache::loncommon::content_type($r,'text/xml');
1796: } else {
1797: &Apache::loncommon::content_type($r,'text/html');
1798: }
1799: &Apache::loncommon::no_cache($r);
1800: $r->send_http_header;
1801: $r->rflush();
1802:
1803: # Unfortunately, this helper is so complicated we have to
1804: # write it by hand
1805:
1806: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1807:
1808: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1809: $helper->declareVar('symb');
1810: $helper->declareVar('postdata');
1811: $helper->declareVar('curseed');
1812: $helper->declareVar('probstatus');
1813: $helper->declareVar('filename');
1814: $helper->declareVar('construction');
1815: $helper->declareVar('assignment');
1816: $helper->declareVar('style_file');
1817: $helper->declareVar('student_sort');
1818: $helper->declareVar('FINISHPAGE');
1819: $helper->declareVar('PRINT_TYPE');
1820: $helper->declareVar("showallfoils");
1821:
1822: # The page breaks can get loaded initially from the course environment:
1823:
1824: if((!defined($env{"form.CURRENT_STATE"})) ||
1825: ($env{'form.CURRENT_STATE'} == "START")) {
1826: $helper->{VARS}->{FINISHPAGE} = ""; # In case they did a back e.g.
1827: }
1828:
1829:
1830:
1831: &Apache::loncommon::restore_course_settings('print',
1832: {'pagebreaks' => 'scalar',
1833: 'lastprinttype' => 'scalar'});
1834:
1835:
1836: if("$helper->{VARS}->{PRINT_TYPE}" eq "$env{'form.lastprinttype'}") {
1837: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1838: }
1839:
1840:
1841: # This will persistently load in the data we want from the
1842: # very first screen.
1843: # Detect whether we're coming from construction space
1844: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1845: $helper->{VARS}->{'filename'} = "~$1/$2";
1846: $helper->{VARS}->{'construction'} = 1;
1847: } else {
1848: if ($env{'form.postdata'}) {
1849: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1850: }
1851: if ($env{'form.symb'}) {
1852: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1853: }
1854: if ($env{'form.url'}) {
1855: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1856: }
1857: }
1858:
1859: if ($env{'form.symb'}) {
1860: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1861: }
1862: if ($env{'form.url'}) {
1863: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1864:
1865: }
1866: $helper->{VARS}->{'symb'}=
1867: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1868: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1869: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1870:
1871:
1872: # Extract map
1873: my $symb = $helper->{VARS}->{'symb'};
1874: my ($map, $id, $url);
1875: my $subdir;
1876:
1877: # Get the resource name from construction space
1878: if ($helper->{VARS}->{'construction'}) {
1879: $resourceTitle = substr($helper->{VARS}->{'filename'},
1880: rindex($helper->{VARS}->{'filename'}, '/')+1);
1881: $subdir = substr($helper->{VARS}->{'filename'},
1882: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1883: } else {
1884: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1885: $helper->{VARS}->{'postdata'} =
1886: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1887:
1888: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1889: my $postdata = $helper->{VARS}->{'postdata'};
1890: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1891: }
1892: $subdir = &Apache::lonnet::filelocation("", $url);
1893: }
1894: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
1895: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1896: }
1897: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1898: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
1899: }
1900:
1901: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1902: my $userPriviledged = ($env{'request.role'}=~m/^cc\./ or
1903: $env{'request.role'}=~m/^in\./ or
1904: $env{'request.role'}=~m/^ta\./);
1905:
1906: Apache::lonhelper::registerHelperTags();
1907:
1908: # "Delete everything after the last slash."
1909: $subdir =~ s|/[^/]+$||;
1910: if (not $helper->{VARS}->{'construction'}) {
1911: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1912: }
1913: # "Remove all duplicate slashes."
1914: $subdir =~ s|/+|/|g;
1915:
1916: # What can be printed is a very dynamic decision based on
1917: # lots of factors. So we need to dynamically build this list.
1918: # To prevent security leaks, states are only added to the wizard
1919: # if they can be reached, which ensures manipulating the form input
1920: # won't allow anyone to reach states they shouldn't have permission
1921: # to reach.
1922:
1923: # printChoices is tracking the kind of printing the user can
1924: # do, and will be used in a choices construction later.
1925: # In the meantime we will be adding states and elements to
1926: # the helper by hand.
1927: my $printChoices = [];
1928: my $paramHash;
1929:
1930: if ($resourceTitle) {
1931: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1932: }
1933:
1934: # Useful filter strings
1935: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1936: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1937: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
1938: my $isNotMap = '!$res->is_sequence()';
1939: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1940: my $isMap = '$res->is_map()';
1941: my $symbFilter = '$res->shown_symb()';
1942: my $urlValue = '$res->link()';
1943:
1944: $helper->declareVar('SEQUENCE');
1945:
1946: # Useful for debugging: Dump the help vars
1947: # $r->print(Dumper($helper->{VARS}));
1948: # $r->print($map);
1949:
1950: # If we're in a sequence...
1951: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1952:
1953: $helper->{VARS}->{'postdata'} &&
1954: $helper->{VARS}->{'assignment'}) {
1955: # Allow problems from sequence
1956: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1957: # Allow all resources from sequence
1958: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1959:
1960: my $helperFragment = <<HELPERFRAGMENT;
1961: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1962: <message>(mark them then click "next" button) <br /></message>
1963: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1964: closeallpages="1">
1965: <nextstate>PAGESIZE</nextstate>
1966: <filterfunc>return $isProblem;</filterfunc>
1967: <mapurl>$map</mapurl>
1968: <valuefunc>return $symbFilter;</valuefunc>
1969: <option text='Newpage' variable='FINISHPAGE' />
1970: </resource>
1971: </state>
1972:
1973: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1974: <message>(mark them then click "next" button) <br /></message>
1975: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1976: closeallpages="1">
1977: <nextstate>PAGESIZE</nextstate>
1978: <filterfunc>return $isNotMap;</filterfunc>
1979: <mapurl>$map</mapurl>
1980: <valuefunc>return $symbFilter;</valuefunc>
1981: <option text='Newpage' variable='FINISHPAGE' />
1982: </resource>
1983: </state>
1984: HELPERFRAGMENT
1985:
1986: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1987: }
1988:
1989: # If the user is privileged, allow them to print all
1990: # problems and resources in the entier course, optionally for selected students
1991: if ($userPriviledged &&
1992: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
1993:
1994: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1995: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
1996: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1997: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1998: <message>(mark them then click "next" button) <br /></message>
1999: <resource variable="RESOURCES" toponly='0' multichoice="1"
2000: suppressEmptySequences='0' addstatus="1" closeallpages="1">
2001: <nextstate>PAGESIZE</nextstate>
2002: <filterfunc>return $isProblemOrMap;</filterfunc>
2003: <choicefunc>return $isNotMap;</choicefunc>
2004: <valuefunc>return $symbFilter;</valuefunc>
2005: <option text='Newpage' variable='FINISHPAGE' />
2006: </resource>
2007: </state>
2008: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2009: <message>(Mark them then click "next" button) <br /> </message>
2010: <resource variable="RESOURCES" toponly='0' multichoice='1'
2011: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2012: <nextstate>PAGESIZE</nextstate>
2013: <filterfunc>return $isNotMap; </filterfunc>
2014: <valuefunc>return $symbFilter;</valuefunc>
2015: <option text='NewPage' variable='FINISHPAGE' />
2016: </resource>
2017: </state>
2018: ALL_PROBLEMS
2019:
2020: if ($helper->{VARS}->{'assignment'}) {
2021: 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'];
2022: 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'];
2023: }
2024: my $resource_selector=<<RESOURCE_SELECTOR;
2025: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2026: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2027: closeallpages="1">
2028: <filterfunc>return $isProblem;</filterfunc>
2029: <mapurl>$map</mapurl>
2030: <valuefunc>return $symbFilter;</valuefunc>
2031: <option text='New Page' variable='FINISHPAGE' />
2032: </resource>
2033: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2034: <choices variable="EMPTY_PAGES">
2035: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2036: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2037: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2038: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2039: </choices>
2040: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2041: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2042: RESOURCE_SELECTOR
2043:
2044: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2045: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2046: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
2047: <message><b>Select sort order</b> </message>
2048: <choices variable='student_sort'>
2049: <choice computer='0'>Sort by section then student</choice>
2050: <choice computer='1'>Sort by students across sections.</choice>
2051: </choices>
2052: $resource_selector
2053: </state>
2054: CHOOSE_STUDENTS
2055:
2056: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2057: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2058: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2059: my $namechoice='<choice></choice>';
2060: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2061: if ($name =~ /^error: 2 /) { next; }
2062: if ($name =~ /^type\0/) { next; }
2063: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2064: }
2065: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2066: my $codechoice='';
2067: foreach my $line (<FH>) {
2068: my ($name,$description,$code_type,$code_length)=
2069: (split(/:/,$line))[0,1,2,4];
2070: if ($code_length > 0 &&
2071: $code_type =~/^(letter|number|-1)/) {
2072: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2073: }
2074: }
2075: if ($codechoice eq '') {
2076: $codechoice='<choice computer="default">Default</choice>';
2077: }
2078: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2079: <state name="CHOOSE_ANON1" title="Select Students and Resources">
2080: <nextstate>PAGESIZE</nextstate>
2081: <message><hr width='33%' /></message>
2082: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2083: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2084: <validator>
2085: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2086: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2087: !\$helper->{'VARS'}{'SINGLE_CODE'}) {
2088: return "You need to specify the number of assignments to print";
2089: }
2090: return undef;
2091: </validator>
2092: </string>
2093: <message></td></tr><tr><td></message>
2094: <message><b>Value of CODE to print?</b></td><td></message>
2095: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2096: <validator>
2097: # Not sure of exact call context so...
2098: use Apache::lonprintout;
2099: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2100: !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
2101: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2102: \$helper->{'VARS'}{'CODE_OPTION'});
2103: } else {
2104: return undef; # Other forces control us.
2105: }
2106: </validator>
2107: </string>
2108: <message></td></tr><tr><td></message>
2109: <message><b>Names to store the CODEs under for later:</b></message>
2110: <message></td><td></message>
2111: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2112: <message></td></tr><tr><td></message>
2113: <message><b>Bubble sheet type:</b></message>
2114: <message></td><td></message>
2115: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2116: $codechoice
2117: </dropdown>
2118: <message></td></tr></table></message>
2119: <message><hr width='33%' /></message>
2120: <message><b>Reprint a set of saved CODEs:</b></message>
2121: <dropdown variable="REUSE_OLD_CODES">
2122: $namechoice
2123: </dropdown>
2124: <message><hr width='33%' /></message>
2125: $resource_selector
2126: </state>
2127: CHOOSE_ANON1
2128:
2129:
2130: if ($helper->{VARS}->{'assignment'}) {
2131: 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'];
2132: 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'];
2133: }
2134:
2135:
2136: $resource_selector=<<RESOURCE_SELECTOR;
2137: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2138: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2139: closeallpages="1">
2140: <filterfunc>return $isNotMap;</filterfunc>
2141: <mapurl>$map</mapurl>
2142: <valuefunc>return $symbFilter;</valuefunc>
2143: <option text='Newpage' variable='FINISHPAGE' />
2144: </resource>
2145: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2146: <choices variable="EMPTY_PAGES">
2147: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2148: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2149: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2150: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2151: </choices>
2152: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2153: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2154: RESOURCE_SELECTOR
2155:
2156: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2157: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2158: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
2159: <choices variable='student_sort'>
2160: <choice computer='0'>Sort by section then student</choice>
2161: <choice computer='1'>Sort by students across sections.</choice>
2162: </choices>
2163:
2164: $resource_selector
2165: </state>
2166: CHOOSE_STUDENTS1
2167:
2168: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2169: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2170: <nextstate>PAGESIZE</nextstate>
2171: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2172: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2173: <validator>
2174: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2175: !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
2176: return "You need to specify the number of assignments to print";
2177: }
2178: return undef;
2179: </validator>
2180: </string>
2181: <message></td></tr><tr><td></message>
2182: <message><b>Names to store the CODEs under for later:</b></message>
2183: <message></td><td></message>
2184: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2185: <message></td></tr><tr><td></message>
2186: <message><b>Bubble sheet type:</b></message>
2187: <message></td><td></message>
2188: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2189: $codechoice
2190: </dropdown>
2191: <message></td></tr></table></message>
2192: <message><hr width='33%' /></message>
2193: <message><b>Reprint a set of saved CODEs:</b></message>
2194: <dropdown variable="REUSE_OLD_CODES">
2195: $namechoice
2196: </dropdown>
2197: <message><hr width='33%' /></message>
2198: $resource_selector
2199: </state>
2200: CHOOSE_ANON2
2201: }
2202:
2203: # FIXME: That RE should come from a library somewhere.
2204: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2205: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2206:
2207: my $f = '$filename';
2208: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2209: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2210: <message>(mark them then click "next" button) <br /></message>
2211: <files variable="FILES" multichoice='1'>
2212: <nextstate>PAGESIZE</nextstate>
2213: <filechoice>return '$subdir';</filechoice>
2214: CHOOSE_FROM_SUBDIR
2215:
2216: # this is broken up because I really want interpolation above,
2217: # and I really DON'T want it below
2218: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2219: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2220: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2221: </filefilter>
2222: </files>
2223: </state>
2224: CHOOSE_FROM_SUBDIR
2225: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2226: }
2227:
2228: # Allow the user to select any sequence in the course, feed it to
2229: # another resource selector for that sequence
2230: if (!$helper->{VARS}->{'construction'}) {
2231: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
2232: 'select_sequences', 'CHOOSE_SEQUENCE'];
2233: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2234: #Escape apostrophes and backslashes for Perl
2235: $escapedSequenceName =~ s/\\/\\\\/g;
2236: $escapedSequenceName =~ s/'/\\'/g;
2237: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2238: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2239: <message>Select the sequence to print resources from:</message>
2240: <resource variable="SEQUENCE">
2241: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2242: <filterfunc>return \$res->is_sequence;</filterfunc>
2243: <valuefunc>return $urlValue;</valuefunc>
2244: <option text='Newpage' variable='FINISHPAGE' />
2245: </resource>
2246: </state>
2247: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2248: <message>(mark desired resources then click "next" button) <br /></message>
2249: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2250: closeallpages="1">
2251: <nextstate>PAGESIZE</nextstate>
2252: <filterfunc>return $isProblem</filterfunc>
2253: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2254: <valuefunc>return $symbFilter;</valuefunc>
2255: <option text='Newpage' variable='FINISHPAGE' />
2256: </resource>
2257: </state>
2258: CHOOSE_FROM_ANY_SEQUENCE
2259: }
2260:
2261: # Generate the first state, to select which resources get printed.
2262: Apache::lonhelper::state->new("START", "Select Printing Options:");
2263: $paramHash = Apache::lonhelper::getParamHash();
2264: $paramHash->{MESSAGE_TEXT} = "";
2265: Apache::lonhelper::message->new();
2266: $paramHash = Apache::lonhelper::getParamHash();
2267: $paramHash->{'variable'} = 'PRINT_TYPE';
2268: $paramHash->{CHOICES} = $printChoices;
2269: Apache::lonhelper::choices->new();
2270:
2271: my $startedTable = 0; # have we started an HTML table yet? (need
2272: # to close it later)
2273:
2274: if (($env{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2275: ($helper->{VARS}->{'construction'} eq '1')) {
2276: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2277: $paramHash = Apache::lonhelper::getParamHash();
2278: $paramHash->{'variable'} = 'ANSWER_TYPE';
2279: $helper->declareVar('ANSWER_TYPE');
2280: $paramHash->{CHOICES} = [
2281: ['Without Answers', 'yes'],
2282: ['With Answers', 'no'],
2283: ['Only Answers', 'only']
2284: ];
2285: Apache::lonhelper::dropdown->new();
2286: addMessage("</td></tr>");
2287: $startedTable = 1;
2288: }
2289:
2290: if ($env{'request.role.adv'}) {
2291: if (!$startedTable) {
2292: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2293: $startedTable = 1;
2294: } else {
2295: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2296: }
2297: $paramHash = Apache::lonhelper::getParamHash();
2298: $paramHash->{'variable'} = 'LATEX_TYPE';
2299: $helper->declareVar('LATEX_TYPE');
2300: if ($helper->{VARS}->{'construction'} eq '1') {
2301: $paramHash->{CHOICES} = [
2302: ['standard LaTeX mode', 'standard'],
2303: ['LaTeX batchmode', 'batchmode'], ];
2304: } else {
2305: $paramHash->{CHOICES} = [
2306: ['LaTeX batchmode', 'batchmode'],
2307: ['standard LaTeX mode', 'standard'] ];
2308: }
2309: Apache::lonhelper::dropdown->new();
2310:
2311: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2312: $paramHash = Apache::lonhelper::getParamHash();
2313: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2314: $helper->declareVar('TABLE_CONTENTS');
2315: $paramHash->{CHOICES} = [
2316: ['No', 'no'],
2317: ['Yes', 'yes'] ];
2318: Apache::lonhelper::dropdown->new();
2319: addMessage("</td></tr>");
2320:
2321: if (not $helper->{VARS}->{'construction'}) {
2322: addMessage("<tr><td align='right'>Print Index: </td><td>");
2323: $paramHash = Apache::lonhelper::getParamHash();
2324: $paramHash->{'variable'} = 'TABLE_INDEX';
2325: $helper->declareVar('TABLE_INDEX');
2326: $paramHash->{CHOICES} = [
2327: ['No', 'no'],
2328: ['Yes', 'yes'] ];
2329: Apache::lonhelper::dropdown->new();
2330: addMessage("</td></tr>");
2331: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2332: $paramHash = Apache::lonhelper::getParamHash();
2333: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2334: $helper->declareVar('PRINT_DISCUSSIONS');
2335: $paramHash->{CHOICES} = [
2336: ['No', 'no'],
2337: ['Yes', 'yes'] ];
2338: Apache::lonhelper::dropdown->new();
2339: addMessage("</td></tr>");
2340:
2341: # If advanced roles, then allow to show all foils.
2342:
2343: if ($env{'request.role.adv'}) {
2344: addMessage("<tr><td align = 'right'> </td><td>");
2345: $paramHash = Apache::lonhelper::getParamHash();
2346: $paramHash->{'multichoice'} = "true";
2347: $paramHash->{'allowempty'} = "true";
2348: $paramHash->{'variable'} = "showallfoils";
2349: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2350: Apache::lonhelper::choices->new();
2351: addMessage("</td></tr>");
2352: }
2353:
2354: }
2355:
2356: if ($helper->{'VARS'}->{'construction'}) {
2357: my $stylevalue=$env{'construct.style'};
2358: my $xmlfrag .= <<"RNDSEED";
2359: <message><tr><td align='right'>Use random seed: </td><td></message>
2360: <string variable="curseed" size="15" maxlength="15">
2361: <defaultvalue>
2362: return $helper->{VARS}->{'curseed'};
2363: </defaultvalue>
2364: </string>
2365: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2366: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message>
2367: <choices allowempty="1" multichoice="true" variable="showallfoils">
2368: <choice computer="1">Show all foils?</choice>
2369: </choices>
2370: <message></td></tr></message>
2371: RNDSEED
2372: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2373: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2374:
2375: }
2376:
2377: }
2378:
2379:
2380:
2381:
2382: if ($startedTable) {
2383: addMessage("</table>");
2384: }
2385:
2386: Apache::lonprintout::page_format_state->new("FORMAT");
2387:
2388: # Generate the PAGESIZE state which will offer the user the margin
2389: # choices if they select one column
2390: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2391: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2392:
2393:
2394: $helper->process();
2395:
2396: # MANUAL BAILOUT CONDITION:
2397: # If we're in the "final" state, bailout and return to handler
2398: if ($helper->{STATE} eq 'FINAL') {
2399: return $helper;
2400: }
2401:
2402: $r->print($helper->display());
2403:
2404: &Apache::lonhelper::unregisterHelperTags();
2405:
2406: return OK;
2407: }
2408:
2409:
2410: 1;
2411:
2412: package Apache::lonprintout::page_format_state;
2413:
2414: =pod
2415:
2416: =head1 Helper element: page_format_state
2417:
2418: See lonhelper.pm documentation for discussion of the helper framework.
2419:
2420: Apache::lonprintout::page_format_state is an element that gives the
2421: user an opportunity to select the page layout they wish to print
2422: with: Number of columns, portrait/landscape, and paper size. If you
2423: want to change the paper size choices, change the @paperSize array
2424: contents in this package.
2425:
2426: page_format_state is always directly invoked in lonprintout.pm, so there
2427: is no tag interface. You actually pass parameters to the constructor.
2428:
2429: =over 4
2430:
2431: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2432:
2433: =back
2434:
2435: =cut
2436:
2437: use Apache::lonhelper;
2438:
2439: no strict;
2440: @ISA = ("Apache::lonhelper::element");
2441: use strict;
2442: use Apache::lonlocal;
2443: use Apache::lonnet;
2444:
2445: my $maxColumns = 2;
2446: # it'd be nice if these all worked
2447: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2448: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2449: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2450: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2451: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2452: "a4 [210x297 mm]");
2453:
2454: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2455: # Paper type
2456:
2457: sub new {
2458: my $self = Apache::lonhelper::element->new();
2459:
2460: shift;
2461:
2462: $self->{'variable'} = shift;
2463: my $helper = Apache::lonhelper::getHelper();
2464: $helper->declareVar($self->{'variable'});
2465: bless($self);
2466: return $self;
2467: }
2468:
2469: sub render {
2470: my $self = shift;
2471: my $helper = Apache::lonhelper::getHelper();
2472: my $result = '';
2473: my $var = $self->{'variable'};
2474: my $PageLayout=&mt('Page layout');
2475: my $NumberOfColumns=&mt('Number of columns');
2476: my $PaperType=&mt('Paper type');
2477: $result .= <<STATEHTML;
2478:
2479: <hr width="33%" />
2480: <table cellpadding="3">
2481: <tr>
2482: <td align="center"><b>$PageLayout</b></td>
2483: <td align="center"><b>$NumberOfColumns</b></td>
2484: <td align="center"><b>$PaperType</b></td>
2485: </tr>
2486: <tr>
2487: <td>
2488: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2489: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2490: </td>
2491: <td align="center">
2492: <select name="${var}.cols">
2493: STATEHTML
2494:
2495: my $i;
2496: for ($i = 1; $i <= $maxColumns; $i++) {
2497: if ($i == 2) {
2498: $result .= "<option value='$i' selected>$i</option>\n";
2499: } else {
2500: $result .= "<option value='$i'>$i</option>\n";
2501: }
2502: }
2503:
2504: $result .= "</select></td><td>\n";
2505: $result .= "<select name='${var}.paper'>\n";
2506:
2507: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2508: my $DefaultPaperSize=$parmhash{'default_paper_size'};
2509: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2510: $i = 0;
2511: foreach (@paperSize) {
2512: $_=~/(\w+)/;
2513: my $papersize=$1;
2514: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2515: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2516: } else {
2517: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2518: }
2519: $i++;
2520: }
2521: $result .= "</select></td></tr></table>";
2522: return $result;
2523: }
2524:
2525: sub postprocess {
2526: my $self = shift;
2527:
2528: my $var = $self->{'variable'};
2529: my $helper = Apache::lonhelper->getHelper();
2530: $helper->{VARS}->{$var} =
2531: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2532: $env{"form.$var.paper"};
2533: return 1;
2534: }
2535:
2536: 1;
2537:
2538: package Apache::lonprintout::page_size_state;
2539:
2540: =pod
2541:
2542: =head1 Helper element: page_size_state
2543:
2544: See lonhelper.pm documentation for discussion of the helper framework.
2545:
2546: Apache::lonprintout::page_size_state is an element that gives the
2547: user the opportunity to further refine the page settings if they
2548: select a single-column page.
2549:
2550: page_size_state is always directly invoked in lonprintout.pm, so there
2551: is no tag interface. You actually pass parameters to the constructor.
2552:
2553: =over 4
2554:
2555: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2556:
2557: =back
2558:
2559: =cut
2560:
2561: use Apache::lonhelper;
2562: use Apache::lonnet;
2563: no strict;
2564: @ISA = ("Apache::lonhelper::element");
2565: use strict;
2566:
2567:
2568:
2569: sub new {
2570: my $self = Apache::lonhelper::element->new();
2571:
2572: shift; # disturbs me (probably prevents subclassing) but works (drops
2573: # package descriptor)... - Jeremy
2574:
2575: $self->{'variable'} = shift;
2576: my $helper = Apache::lonhelper::getHelper();
2577: $helper->declareVar($self->{'variable'});
2578:
2579: # The variable name of the format element, so we can look into
2580: # $helper->{VARS} to figure out whether the columns are one or two
2581: $self->{'formatvar'} = shift;
2582:
2583: # The state to transition to after selection, or after discovering
2584: # the cols are not set to 1
2585: $self->{NEXTSTATE} = shift;
2586: bless($self);
2587: return $self;
2588: }
2589:
2590: sub render {
2591: my $self = shift;
2592: my $helper = Apache::lonhelper::getHelper();
2593: my $result = '';
2594: my $var = $self->{'variable'};
2595:
2596: if (defined $self->{ERROR_MSG}) {
2597: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2598: }
2599:
2600: $result .= <<ELEMENTHTML;
2601:
2602: <p>How should the column be formatted?</p>
2603:
2604: <table cellpadding='3'>
2605: <tr>
2606: <td align='right'><b>Width</b>:</td>
2607: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2608: <td align='left'>
2609: <select name='$var.widthunit'>
2610: <option>cm</option><option>in</option>
2611: </select>
2612: </td>
2613: </tr>
2614: <tr>
2615: <td align='right'><b>Height</b>:</td>
2616: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2617: <td align='left'>
2618: <select name='$var.heightunit'>
2619: <option>cm</option><option>in</option>
2620: </select>
2621: </td>
2622: </tr>
2623: <tr>
2624: <td align='right'><b>Left margin</b>:</td>
2625: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2626: <td align='left'>
2627: <select name='$var.lmarginunit'>
2628: <option>cm</option><option>in</option>
2629: </select>
2630: </td>
2631: </tr>
2632: </table>
2633:
2634: <p>Hint: Some instructors like to leave scratch space for the student by
2635: making the width much smaller than the width of the page.</p>
2636:
2637: ELEMENTHTML
2638:
2639: return $result;
2640: }
2641:
2642: # If the user didn't select 1 column, skip this state.
2643: sub preprocess {
2644: my $self = shift;
2645: my $helper = Apache::lonhelper::getHelper();
2646:
2647: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2648: if (substr($format, 2, 1) ne '1') {
2649: $helper->changeState($self->{NEXTSTATE});
2650: }
2651:
2652: return 1;
2653: }
2654:
2655: sub postprocess {
2656: my $self = shift;
2657:
2658: my $var = $self->{'variable'};
2659: my $helper = Apache::lonhelper->getHelper();
2660: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
2661: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
2662: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
2663: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
2664: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
2665: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
2666:
2667: my $error = '';
2668:
2669: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2670: # by an optional period, followed by digits, ending the string
2671:
2672: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2673: $error .= "Invalid width; please type only a number.<br />\n";
2674: }
2675: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2676: $error .= "Invalid height; please type only a number.<br />\n";
2677: }
2678: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2679: $error .= "Invalid left margin; please type only a number.<br />\n";
2680: }
2681:
2682: if (!$error) {
2683: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2684: return 1;
2685: } else {
2686: $self->{ERROR_MSG} = $error;
2687: return 0;
2688: }
2689: }
2690:
2691:
2692:
2693: __END__
2694:
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