1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.384 2005/08/16 03:34:34 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
29: package Apache::lonprintout;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonxml;
34: use Apache::lonnet;
35: use Apache::loncommon;
36: use Apache::inputtags;
37: use Apache::grades;
38: use Apache::edit;
39: use Apache::File();
40: use Apache::lonnavmaps;
41: use Apache::lonratedt;
42: use POSIX qw(strftime);
43: use Apache::lonlocal;
44:
45: my $resources_printed = '';
46:
47: # Determine if a code is a valid numeric code. Valid
48: # numeric codes must be comprised entirely of digits and
49: # have a correct number of digits.
50: #
51: # Parameters:
52: # value - proposed code value.
53: # num_digits - Number of digits required.
54: #
55: sub is_valid_numeric_code {
56: my ($value, $num_digits) = @_;
57: # Remove leading/trailing whitespace;
58: $value =~ s/^\s*//;
59: $value =~ s/\s*$//;
60:
61: # All digits?
62: if ($value =~ /^[0-9]+$/) {
63: return "Numeric code $value has invalid characters - must only be digits";
64: }
65: if (length($value) != $num_digits) {
66: return "Numeric code $value incorrect number of digits (correct = $num_digits)";
67: }
68: }
69: # Determines if a code is a valid alhpa code. Alpha codes
70: # are ciphers that map [A-J,a-j] -> 0..9 0..9.
71: # They also have a correct digit count.
72: # Parameters:
73: # value - Proposed code value.
74: # num_letters - correct number of letters.
75: # Note:
76: # leading and trailing whitespace are ignored.
77: #
78: sub is_valid_alpha_code {
79: my ($value, $num_letters) = @_;
80:
81: # strip leading and trailing spaces.
82:
83: $value =~ s/^\s*//g;
84: $value =~ s/\s*$//g;
85:
86: # All alphas in the right range?
87: if ($value !~ /^[A-J,a-j]+$/) {
88: return "Invalid letter code $value must only contain A-J";
89: }
90: if (length($value) != $num_letters) {
91: return "Letter code $value has incorrect number of letters (correct = $num_letters)";
92: }
93: }
94:
95: # Determine if a code entered by the user in a helper is valid.
96: # valid depends on the code type and the type of code selected.
97: # The type of code selected can either be numeric or
98: # Alphabetic. If alphabetic, the code, in fact is a simple
99: # substitution cipher for the actual numeric code: 0->A, 1->B ...
100: # We'll be nice and be case insensitive for alpha codes.
101: # Parameters:
102: # code_value - the value of the code the user typed in.
103: # code_option - The code type selected from the set in the scantron format
104: # table.
105: # Returns:
106: # undef - The code is valid.
107: # other - An error message indicating what's wrong.
108: #
109: sub is_code_valid {
110: my ($code_value, $code_option) = @_;
111: my ($code_type, $code_length) = ('letter', 6); # defaults.
112: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
113: foreach my $line (<FG>) {
114: my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
115: if($name eq $code_option) {
116: $code_length = $length;
117: if($type eq 'number') {
118: $code_type = 'number';
119: }
120: }
121: }
122: my $valid;
123: if ($code_type eq 'number') {
124: $valid = &is_valid_numeric_code($code_value, $code_length);
125: } else {
126: $valid = &is_valid_alpha_code($code_value, $code_length);
127: }
128:
129: return "Entering a single code is not supported (yet): $code_type $code_length $valid";
130: }
131:
132: # Compare two students by name. The students are in the form
133: # returned by the helper:
134: # user:domain:section:last, first:status
135: # This is a helper function for the perl sort built-in therefore:
136: # Implicit Inputs:
137: # $a - The first element to compare (global)
138: # $b - The second element to compare (global)
139: # Returns:
140: # -1 - $a < $b
141: # 0 - $a == $b
142: # +1 - $a > $b
143: # Note that the initial comparison is done on the last names with the
144: # first names only used to break the tie.
145: #
146: #
147: sub compare_names {
148: # First split the names up into the primary fields.
149:
150: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
151: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
152:
153: # Now split the last name and first name of each n:
154: #
155:
156: my ($l1,$f1) = split(/,/, $n1);
157: my ($l2,$f2) = split(/,/, $n2);
158:
159: # We don't bother to remove the leading/trailing whitespace from the
160: # firstname, unless the last names compare identical.
161:
162: if($l1 lt $l2) {
163: return -1;
164: }
165: if($l1 gt $l2) {
166: return 1;
167: }
168:
169: # Break the tie on the first name, but there are leading (possibly trailing
170: # whitespaces to get rid of first
171: #
172: $f1 =~ s/^\s+//; # Remove leading...
173: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
174:
175: $f2 =~ s/^\s+//;
176: $f2 =~ s/\s+$//; # And the same for first 2...
177:
178: if($f1 lt $f2) {
179: return -1;
180: }
181: if($f1 gt $f2) {
182: return 1;
183: }
184:
185: # Must be the same name.
186:
187: return 0;
188: }
189:
190: sub latex_header_footer_remove {
191: my $text = shift;
192: $text =~ s/\\end{document}//;
193: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
194: return $text;
195: }
196:
197:
198: sub character_chart {
199: my $result = shift;
200: $result =~ s/&\#0?0?(7|9);//g;
201: $result =~ s/&\#0?(10|13);//g;
202: $result =~ s/&\#0?32;/ /g;
203: $result =~ s/&\#0?33;/!/g;
204: $result =~ s/&(\#0?34|quot);/\"/g;
205: $result =~ s/&\#0?35;/\\\#/g;
206: $result =~ s/&\#0?36;/\\\$/g;
207: $result =~ s/&\#0?37;/\\%/g;
208: $result =~ s/&(\#0?38|amp);/\\&/g;
209: $result =~ s/&\#(0?39|146);/\'/g;
210: $result =~ s/&\#0?40;/(/g;
211: $result =~ s/&\#0?41;/)/g;
212: $result =~ s/&\#0?42;/\*/g;
213: $result =~ s/&\#0?43;/\+/g;
214: $result =~ s/&\#(0?44|130);/,/g;
215: $result =~ s/&\#0?45;/-/g;
216: $result =~ s/&\#0?46;/\./g;
217: $result =~ s/&\#0?47;/\//g;
218: $result =~ s/&\#0?48;/0/g;
219: $result =~ s/&\#0?49;/1/g;
220: $result =~ s/&\#0?50;/2/g;
221: $result =~ s/&\#0?51;/3/g;
222: $result =~ s/&\#0?52;/4/g;
223: $result =~ s/&\#0?53;/5/g;
224: $result =~ s/&\#0?54;/6/g;
225: $result =~ s/&\#0?55;/7/g;
226: $result =~ s/&\#0?56;/8/g;
227: $result =~ s/&\#0?57;/9/g;
228: $result =~ s/&\#0?58;/:/g;
229: $result =~ s/&\#0?59;/;/g;
230: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
231: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
232: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
233: $result =~ s/&\#0?63;/\?/g;
234: $result =~ s/&\#0?65;/A/g;
235: $result =~ s/&\#0?66;/B/g;
236: $result =~ s/&\#0?67;/C/g;
237: $result =~ s/&\#0?68;/D/g;
238: $result =~ s/&\#0?69;/E/g;
239: $result =~ s/&\#0?70;/F/g;
240: $result =~ s/&\#0?71;/G/g;
241: $result =~ s/&\#0?72;/H/g;
242: $result =~ s/&\#0?73;/I/g;
243: $result =~ s/&\#0?74;/J/g;
244: $result =~ s/&\#0?75;/K/g;
245: $result =~ s/&\#0?76;/L/g;
246: $result =~ s/&\#0?77;/M/g;
247: $result =~ s/&\#0?78;/N/g;
248: $result =~ s/&\#0?79;/O/g;
249: $result =~ s/&\#0?80;/P/g;
250: $result =~ s/&\#0?81;/Q/g;
251: $result =~ s/&\#0?82;/R/g;
252: $result =~ s/&\#0?83;/S/g;
253: $result =~ s/&\#0?84;/T/g;
254: $result =~ s/&\#0?85;/U/g;
255: $result =~ s/&\#0?86;/V/g;
256: $result =~ s/&\#0?87;/W/g;
257: $result =~ s/&\#0?88;/X/g;
258: $result =~ s/&\#0?89;/Y/g;
259: $result =~ s/&\#0?90;/Z/g;
260: $result =~ s/&\#0?91;/[/g;
261: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
262: $result =~ s/&\#0?93;/]/g;
263: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
264: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
265: $result =~ s/&\#(0?96|145);/\`/g;
266: $result =~ s/&\#0?97;/a/g;
267: $result =~ s/&\#0?98;/b/g;
268: $result =~ s/&\#0?99;/c/g;
269: $result =~ s/&\#100;/d/g;
270: $result =~ s/&\#101;/e/g;
271: $result =~ s/&\#102;/f/g;
272: $result =~ s/&\#103;/g/g;
273: $result =~ s/&\#104;/h/g;
274: $result =~ s/&\#105;/i/g;
275: $result =~ s/&\#106;/j/g;
276: $result =~ s/&\#107;/k/g;
277: $result =~ s/&\#108;/l/g;
278: $result =~ s/&\#109;/m/g;
279: $result =~ s/&\#110;/n/g;
280: $result =~ s/&\#111;/o/g;
281: $result =~ s/&\#112;/p/g;
282: $result =~ s/&\#113;/q/g;
283: $result =~ s/&\#114;/r/g;
284: $result =~ s/&\#115;/s/g;
285: $result =~ s/&\#116;/t/g;
286: $result =~ s/&\#117;/u/g;
287: $result =~ s/&\#118;/v/g;
288: $result =~ s/&\#119;/w/g;
289: $result =~ s/&\#120;/x/g;
290: $result =~ s/&\#121;/y/g;
291: $result =~ s/&\#122;/z/g;
292: $result =~ s/&\#123;/\\{/g;
293: $result =~ s/&\#124;/\|/g;
294: $result =~ s/&\#125;/\\}/g;
295: $result =~ s/&\#126;/\~/g;
296: $result =~ s/&\#131;/\\textflorin /g;
297: $result =~ s/&\#132;/\"/g;
298: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
299: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
300: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
301: $result =~ s/&\#137;/\\textperthousand /g;
302: $result =~ s/&\#140;/{\\OE}/g;
303: $result =~ s/&\#147;/\`\`/g;
304: $result =~ s/&\#148;/\'\'/g;
305: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
306: $result =~ s/&\#150;/--/g;
307: $result =~ s/&\#151;/---/g;
308: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
309: $result =~ s/&\#153;/\\texttrademark /g;
310: $result =~ s/&\#156;/\\oe/g;
311: $result =~ s/&\#159;/\\\"Y/g;
312: $result =~ s/&(\#160|nbsp);/~/g;
313: $result =~ s/&(\#161|iexcl);/!\`/g;
314: $result =~ s/&(\#162|cent);/\\textcent /g;
315: $result =~ s/&(\#163|pound);/\\pounds /g;
316: $result =~ s/&(\#164|curren);/\\textcurrency /g;
317: $result =~ s/&(\#165|yen);/\\textyen /g;
318: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
319: $result =~ s/&(\#167|sect);/\\textsection /g;
320: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
321: $result =~ s/&(\#169|copy);/\\copyright /g;
322: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
323: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
324: $result =~ s/&(\#173|shy);/ - /g;
325: $result =~ s/&(\#174|reg);/\\textregistered /g;
326: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
327: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
328: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
329: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
330: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
331: $result =~ s/&(\#180|acute);/\\textacute /g;
332: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
333: $result =~ s/&(\#182|para);/\\P/g;
334: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
335: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
336: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
337: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
338: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
339: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
340: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
341: $result =~ s/&(\#191|iquest);/?\`/g;
342: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
343: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
344: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
345: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
346: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
347: $result =~ s/&(\#197|Aring);/{\\AA}/g;
348: $result =~ s/&(\#198|AElig);/{\\AE}/g;
349: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
350: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
351: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
352: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
353: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
354: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
355: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
356: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
357: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
358: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
359: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
360: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
361: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
362: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
363: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
364: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
365: $result =~ s/&(\#216|Oslash);/{\\O}/g;
366: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
367: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
368: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
369: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
370: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
371: $result =~ s/&(\#223|szlig);/{\\ss}/g;
372: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
373: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
374: $result =~ s/&(\#226|acirc);/\\^{a}/g;
375: $result =~ s/&(\#227|atilde);/\\~{a}/g;
376: $result =~ s/&(\#228|auml);/\\\"{a}/g;
377: $result =~ s/&(\#229|aring);/{\\aa}/g;
378: $result =~ s/&(\#230|aelig);/{\\ae}/g;
379: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
380: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
381: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
382: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
383: $result =~ s/&(\#235|euml);/\\\"{e}/g;
384: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
385: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
386: $result =~ s/&(\#238|icirc);/\\^{i}/g;
387: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
388: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
389: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
390: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
391: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
392: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
393: $result =~ s/&(\#245|otilde);/\\~{o}/g;
394: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
395: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
396: $result =~ s/&(\#248|oslash);/{\\o}/g;
397: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
398: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
399: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
400: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
401: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
402: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
403: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
404: #Greek Alphabet
405: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
406: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
407: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
408: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
409: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
410: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
411: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
412: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
413: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
414: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
415: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
416: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
417: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
418: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
419: $result =~ s/&(omicron|\#959);/o/g;
420: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
421: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
422: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
423: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
424: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
425: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
426: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
427: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
428: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
429: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
430: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
431: $result =~ s/&(Alpha|\#913);/A/g;
432: $result =~ s/&(Beta|\#914);/B/g;
433: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
434: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
435: $result =~ s/&(Epsilon|\#917);/E/g;
436: $result =~ s/&(Zeta|\#918);/Z/g;
437: $result =~ s/&(Eta|\#919);/H/g;
438: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
439: $result =~ s/&(Iota|\#921);/I/g;
440: $result =~ s/&(Kappa|\#922);/K/g;
441: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
442: $result =~ s/&(Mu|\#924);/M/g;
443: $result =~ s/&(Nu|\#925);/N/g;
444: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
445: $result =~ s/&(Omicron|\#927);/O/g;
446: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
447: $result =~ s/&(Rho|\#929);/P/g;
448: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
449: $result =~ s/&(Tau|\#932);/T/g;
450: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
451: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
452: $result =~ s/&(Chi|\#935);/X/g;
453: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
454: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
455: #Arrows (extended HTML 4.01)
456: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
457: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
458: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
459: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
460: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
461: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
462: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
463: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
464: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
465: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
466: #Mathematical Operators (extended HTML 4.01)
467: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
468: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
469: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
470: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
471: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
472: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
473: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
474: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
475: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
476: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
477: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
478: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
479: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
480: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
481: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
482: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
483: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
484: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
485: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
486: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
487: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
488: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
489: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
490: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
491: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
492: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
493: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
494: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
495: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
496: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
497: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
498: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
499: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
500: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
501: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
502: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
503: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
504: #Geometric Shapes (extended HTML 4.01)
505: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
506: #Miscellaneous Symbols (extended HTML 4.01)
507: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
508: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
509: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
510: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
511: return $result;
512: }
513:
514:
515: #width, height, oddsidemargin, evensidemargin, topmargin
516: my %page_formats=
517: ('letter' => {
518: 'book' => {
519: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
520: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
521: },
522: 'album' => {
523: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'],
524: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
525: },
526: },
527: 'legal' => {
528: 'book' => {
529: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
530: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
531: },
532: 'album' => {
533: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
534: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
535: },
536: },
537: 'tabloid' => {
538: 'book' => {
539: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
540: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
541: },
542: 'album' => {
543: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
544: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
545: },
546: },
547: 'executive' => {
548: 'book' => {
549: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
550: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
551: },
552: 'album' => {
553: '1' => [],
554: '2' => []
555: },
556: },
557: 'a2' => {
558: 'book' => {
559: '1' => [],
560: '2' => []
561: },
562: 'album' => {
563: '1' => [],
564: '2' => []
565: },
566: },
567: 'a3' => {
568: 'book' => {
569: '1' => [],
570: '2' => []
571: },
572: 'album' => {
573: '1' => [],
574: '2' => []
575: },
576: },
577: 'a4' => {
578: 'book' => {
579: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
580: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
581: },
582: 'album' => {
583: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
584: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
585: },
586: },
587: 'a5' => {
588: 'book' => {
589: '1' => [],
590: '2' => []
591: },
592: 'album' => {
593: '1' => [],
594: '2' => []
595: },
596: },
597: 'a6' => {
598: 'book' => {
599: '1' => [],
600: '2' => []
601: },
602: 'album' => {
603: '1' => [],
604: '2' => []
605: },
606: },
607: );
608:
609: sub page_format {
610: #
611: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
612: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
613: # "A2 [420x594 mm]", "A3 [297x420 mm]",
614: # "A4 [210x297 mm]", "A5 [148x210 mm]",
615: # "A6 [105x148 mm]"
616: #
617: my ($papersize,$layout,$numberofcolumns) = @_;
618: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
619: }
620:
621:
622: sub get_name {
623: my ($uname,$udom)=@_;
624: if (!defined($uname)) { $uname=$env{'user.name'}; }
625: if (!defined($udom)) { $udom=$env{'user.domain'}; }
626: my $plainname=&Apache::loncommon::plainname($uname,$udom);
627: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
628: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
629: return $plainname;
630: }
631:
632: sub get_course {
633: my $courseidinfo;
634: if (defined($env{'request.course.id'})) {
635: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
636: }
637: return $courseidinfo;
638: }
639:
640: sub page_format_transformation {
641: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
642: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
643: if ($selectionmade eq '4') {
644: $assignment='Problems from the Whole Course';
645: } else {
646: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
647: }
648: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
649: my $name = &get_name();
650: my $courseidinfo = &get_course();
651: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
652: my $topmargintoinsert = '';
653: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
654: my $fancypagestatement='';
655: if ($numberofcolumns eq '2') {
656: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
657: } else {
658: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
659: }
660: if ($layout eq 'album') {
661: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
662: } elsif ($layout eq 'book') {
663: if ($choice ne 'All class print') {
664: $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/;
665: } else {
666: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
667: }
668: if ($papersize eq 'a4') {
669: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
670: }
671: }
672: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
673: if ($indexlist eq 'yes') {
674: $text=~s/(\\begin{document})/\\makeindex $1/;
675: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
676: }
677: return $text;
678: }
679:
680:
681: sub page_cleanup {
682: my $result = shift;
683:
684: $result =~ m/\\end{document}(\d*)$/;
685: my $number_of_columns = $1;
686: my $insert = '{';
687: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
688: $insert .= '}';
689: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
690: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
691: return $result,$number_of_columns;
692: }
693:
694:
695: sub details_for_menu {
696: my ($helper)=@_;
697: my $postdata=$env{'form.postdata'};
698: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
699: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
700: my $symbolic = &Apache::lonnet::symbread($postdata);
701: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
702: $map=&Apache::lonnet::clutter($map);
703: my $name_of_sequence = &Apache::lonnet::gettitle($map);
704: if ($name_of_sequence =~ /^\s*$/) {
705: $map =~ m|([^/]+)$|;
706: $name_of_sequence = $1;
707: }
708: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
709: if ($name_of_map =~ /^\s*$/) {
710: $env{'request.course.uri'} =~ m|([^/]+)$|;
711: $name_of_map = $1;
712: }
713: return ($name_of_resource,$name_of_sequence,$name_of_map);
714: }
715:
716:
717: sub latex_corrections {
718:
719: my ($number_of_columns,$result,$selectionmade) = @_;
720:
721: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
722: $result =~ s/\$number_of_columns/$number_of_columns/g;
723: if ($selectionmade ne '1') {
724: $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/;
725: } else {
726: $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/;
727: }
728: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
729: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
730: #-- LaTeX corrections
731: my $first_comment = index($result,'<!--',0);
732: while ($first_comment != -1) {
733: my $end_comment = index($result,'-->',$first_comment);
734: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
735: $first_comment = index($result,'<!--',$first_comment);
736: }
737: $result =~ s/^\s+$//gm; #remove empty lines
738: #removes more than one empty space
739: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
740: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
741: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
742: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
743: $result =~ s/\\\\\s+\[/ \[/g;
744: #conversion of html characters to LaTeX equivalents
745: if ($result =~ m/&(\w+|#\d+);/) {
746: $result = &character_chart($result);
747: }
748: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
749: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
750:
751: return $result;
752: }
753:
754:
755: sub index_table {
756: my $currentURL = shift;
757: my $insex_string='';
758: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
759: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
760: return $insex_string;
761: }
762:
763:
764: sub IndexCreation {
765: my ($texversion,$currentURL)=@_;
766: my @key_words=split(/,/,&index_table($currentURL));
767: my $chunk='';
768: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
769: if ($st>0) {
770: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
771: $chunk=substr($texversion,0,$st+1);
772: substr($texversion,0,$st+1)=' ';
773: }
774: foreach my $key_word (@key_words) {
775: if ($key_word=~/\S+/) {
776: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
777: }
778: }
779: if ($st>0) {substr($texversion,0,1)=$chunk;}
780: return $texversion;
781: }
782:
783: sub print_latex_header {
784: my $mode=shift;
785: my $output='\documentclass[letterpaper]{article}';
786: if (($mode eq 'batchmode') || (!$env{'request.role.adv'})) {
787: $output.='\batchmode';
788: }
789: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
790: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
791: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
792: '\usepackage{picins}\usepackage{calc}'."\n".
793: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
794: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
795: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
796: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
797: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
798: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
799: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
800: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
801: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
802: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
803: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
804: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
805: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
806: return $output;
807: }
808:
809: sub path_to_problem {
810: my ($urlp,$colwidth)=@_;
811: my $newurlp = '';
812: $colwidth=~s/\s*mm\s*$//;
813: #characters average about 2 mm in width
814: if (length($urlp)*2 > $colwidth) {
815: my @elements = split '/',$urlp;
816: my $curlength=0;
817: foreach my $element (@elements) {
818: if ($curlength+(length($element)*2) > $colwidth) {
819: $newurlp .= '|\vskip -1 mm \noindent \verb|';
820: $curlength=0;
821: } else {
822: $curlength+=length($element)*2;
823: }
824: $newurlp.='/'.$element;
825: }
826: } else {
827: $newurlp=$urlp;
828: }
829: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
830: }
831:
832: sub recalcto_mm {
833: my $textwidth=shift;
834: my $LaTeXwidth;
835: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
836: $LaTeXwidth = $1*10;
837: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
838: $LaTeXwidth = $1;
839: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
840: $LaTeXwidth = $1*25.4;
841: }
842: $LaTeXwidth.=' mm';
843: return $LaTeXwidth;
844: }
845:
846: sub get_textwidth {
847: my ($helper,$LaTeXwidth)=@_;
848: my $textwidth=$LaTeXwidth;
849: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
850: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
851: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
852: $helper->{'VARS'}->{'pagesize.widthunit'});
853: }
854: return $textwidth;
855: }
856:
857:
858: sub unsupported {
859: my ($currentURL,$mode)=@_;
860: if ($mode ne '') {$mode='\\'.$mode}
861: my $result.= &print_latex_header($mode);
862: if ($currentURL=~/\/ext\//) {
863: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
864: } else {
865: $result.=$currentURL;
866: }
867: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
868: return $result;
869: }
870:
871:
872: #
873: # Retrieve the hash of page breaks.
874: #
875: # Inputs:
876: # helper - reference to helper object.
877: # Outputs
878: # A reference to a page break hash.
879: #
880: #
881:
882: sub get_page_breaks {
883: my ($helper) = @_;
884: my %page_breaks;
885:
886: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
887: $page_breaks{$break} = 1;
888: }
889:
890: return %page_breaks;
891: }
892:
893: sub output_data {
894: my ($r,$helper,$rparmhash) = @_;
895: my %parmhash = %$rparmhash;
896: my $html=&Apache::lonxml::xmlbegin();
897: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
898: $r->print(<<ENDPART);
899: $html
900: <head>
901: <script type="text/javascript" language="Javascript">
902: var editbrowser;
903: function openbrowser(formname,elementname,only,omit) {
904: var url = '/res/?';
905: if (editbrowser == null) {
906: url += 'launch=1&';
907: }
908: url += 'catalogmode=interactive&';
909: url += 'mode=parmset&';
910: url += 'form=' + formname + '&';
911: if (only != null) {
912: url += 'only=' + only + '&';
913: }
914: if (omit != null) {
915: url += 'omit=' + omit + '&';
916: }
917: url += 'element=' + elementname + '';
918: var title = 'Browser';
919: var options = 'scrollbars=1,resizable=1,menubar=0';
920: options += ',width=700,height=600';
921: editbrowser = open(url,title,options,'1');
922: editbrowser.focus();
923: }
924: </script>
925: <title>LON-CAPA output for printing</title>
926: </head>
927: $bodytag
928: Please stand by while processing your print request, this may take some time ...
929: ENDPART
930:
931:
932:
933: # fetch the pagebreaks and store them in the course environment
934: # The page breaks will be pulled into the hash %page_breaks which is
935: # indexed by symb and contains 1's for each break.
936:
937: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
938: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
939: &Apache::loncommon::store_course_settings('print',
940: {'pagebreaks' => 'scalar',
941: 'lastprinttype' => 'scalar'});
942:
943: my %page_breaks = &get_page_breaks($helper);
944:
945: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
946: my ($result,$selectionmade) = ('','');
947: my $number_of_columns = 1; #used only for pages to determine the width of the cell
948: my @temporary_array=split /\|/,$format_from_helper;
949: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
950: if ($laystyle eq 'L') {
951: $laystyle='album';
952: } else {
953: $laystyle='book';
954: }
955: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
956: my $assignment = $env{'form.assignment'};
957: my $LaTeXwidth=&recalcto_mm($textwidth);
958: my @print_array=();
959: my @student_names=();
960:
961: # Common settings for the %form has:
962: # In some cases these settings get overriddent by specific cases, but the
963: # settings are common enough to make it worthwhile factoring them out
964: # here.
965: #
966: my %form;
967: $form{'grade_target'} = 'tex';
968: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth);
969:
970: # If form.showallfoils is set, then request all foils be shown:
971: # privilege will be enforced both by not allowing the
972: # check box selecting this option to be presnt unless it's ok,
973: # and by lonresponse's priv. check.
974: # The if is here because lonresponse.pm only cares that
975: # showallfoils is defined, not what the value is.
976:
977: if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
978: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
979: }
980:
981: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
982: #-- single document - problem, page, html, xml, ...
983: my ($currentURL,$cleanURL);
984:
985: if ($helper->{'VARS'}->{'construction'} ne '1') {
986: #prints published resource
987: $currentURL=$helper->{'VARS'}->{'postdata'};
988: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
989: } else {
990: #prints resource from the construction space
991: $currentURL='/'.$helper->{'VARS'}->{'filename'};
992: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
993: $cleanURL=$currentURL;
994: }
995: $selectionmade = 1;
996: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
997: my $rndseed=time;
998: my $texversion='';
999: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1000: my %moreenv;
1001: $moreenv{'request.filename'}=$cleanURL;
1002: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1003: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1004: my $dom = $env{'user.domain'};
1005: my $user = $env{'user.name'};
1006: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
1007: }
1008: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1009: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1010: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1011: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1012: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1013: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1014: if ($helper->{'VARS'}->{'curseed'}) {
1015: $rndseed=$helper->{'VARS'}->{'curseed'};
1016: }
1017: $form{'rndseed'}=$rndseed;
1018: &Apache::lonnet::appenv(%moreenv);
1019: &Apache::lonnet::delenv('form.counter');
1020: &Apache::lonxml::init_counter();
1021: $resources_printed .= $currentURL.':';
1022: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
1023: &Apache::lonnet::delenv('form.counter');
1024: &Apache::lonnet::delenv('request.filename');
1025: }
1026: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1027: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1028: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1029: $form{'grade_target'}='answer';
1030: $form{'answer_output_mode'}='tex';
1031: $form{'rndseed'}=$rndseed;
1032: $resources_printed .= $currentURL.':';
1033: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1034: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1035: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1036: } else {
1037: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1038: if ($helper->{'VARS'}->{'construction'} ne '1') {
1039: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1040: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1041: } else {
1042: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1043: my $URLpath=$cleanURL;
1044: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1045: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1046: }
1047: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1048: }
1049: }
1050: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1051: $texversion=&IndexCreation($texversion,$currentURL);
1052: }
1053: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1054: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
1055:
1056: }
1057: $result .= $texversion;
1058: if ($currentURL=~m/\.page\s*$/) {
1059: ($result,$number_of_columns) = &page_cleanup($result);
1060: }
1061: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1062: #printing content of sequence from the construction space
1063: my $flag_latex_header_remove = 'NO';
1064: my $rndseed=time;
1065: if ($helper->{'VARS'}->{'curseed'}) {
1066: $rndseed=$helper->{'VARS'}->{'curseed'};
1067: }
1068: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1069: my $errtext=&Apache::lonratedt::mapread($currentURL);
1070: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
1071: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
1072: my $urlp=$2;
1073: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1074: my $texversion='';
1075: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
1076: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1077: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1078: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1079: $form{'rndseed'}=$rndseed;
1080: $resources_printed .=$urlp.':';
1081: $texversion=&Apache::lonnet::ssi($urlp,%form);
1082: }
1083: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1084: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1085: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1086: # Don't permanently modify %$form...
1087: my %answerform = %form;
1088: $answerform{'grade_target'}='answer';
1089: $answerform{'answer_output_mode'}='tex';
1090: $answerform{'rndseed'}=$rndseed;
1091: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1092: if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1093: $resources_printed .= $urlp.':';
1094: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1095: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1096: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1097: } else {
1098: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1099: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1100: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
1101: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1102: }
1103: }
1104: if ($flag_latex_header_remove ne 'NO') {
1105: $texversion = &latex_header_footer_remove($texversion);
1106: } else {
1107: $texversion =~ s/\\end{document}//;
1108: }
1109: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1110: $texversion=&IndexCreation($texversion,$urlp);
1111: }
1112: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1113: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1114: }
1115: $result.=$texversion;
1116: $flag_latex_header_remove = 'YES';
1117: } elsif ($urlp=~/\.(sequence|page)$/) {
1118: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1119: }
1120: }
1121: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1122: $result .= '\end{document}';
1123: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1124: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1125: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1126: $resources_printed .= $currentURL.':';
1127: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1128: $result .= $texversion;
1129: } else {
1130: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1131: }
1132: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
1133: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1134: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
1135: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
1136: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1137: #-- produce an output string
1138: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1139: $selectionmade = 2;
1140: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1141: $selectionmade = 3;
1142: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1143: $selectionmade = 4;
1144: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1145: $selectionmade = 4;
1146: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1147: $selectionmade = 7;
1148: }
1149: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1150: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1151: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1152: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1153: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1154: my $flag_latex_header_remove = 'NO';
1155: my $flag_page_in_sequence = 'NO';
1156: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1157: my $prevassignment='';
1158: &Apache::lonnet::delenv('form.counter');
1159: &Apache::lonxml::init_counter();
1160: for (my $i=0;$i<=$#master_seq;$i++) {
1161:
1162: # Note due to document structure, not allowed to put \newpage
1163: # prior to the first resource
1164:
1165: if (defined $page_breaks{$master_seq[$i]}) {
1166: if($i != 0) {
1167: $result.="\\newpage\n";
1168: }
1169: }
1170: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1171: $urlp=&Apache::lonnet::clutter($urlp);
1172: $form{'symb'}=$master_seq[$i];
1173: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
1174: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1175: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1176: if ($i==0) {$prevassignment=$assignment;}
1177: my $texversion='';
1178: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1179: $resources_printed .= $urlp.':';
1180: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1181: if ($urlp=~/\.page$/) {
1182: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1183: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1184: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1185: $flag_page_in_sequence = 'YES';
1186: }
1187: my $lonidsdir=$r->dir_config('lonIDsDir');
1188: my $envfile=$env{'user.environment'};
1189: $envfile=~/\/([^\/]+)\.id$/;
1190: $envfile=$1;
1191: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1192: my $current_counter=$env{'form.counter'};
1193: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1194: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1195: # Don't permanently pervert the %form hash
1196: my %answerform = %form;
1197: $answerform{'grade_target'}='answer';
1198: $answerform{'answer_output_mode'}='tex';
1199: $resources_printed .= $urlp.':';
1200: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1201: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1202: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1203: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1204: } else {
1205: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1206: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1207: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
1208: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1209: $texversion.='\vskip 1 mm '.$answer;
1210: } else {
1211: $texversion='';
1212: }
1213: }
1214: }
1215: if ($flag_latex_header_remove ne 'NO') {
1216: $texversion = &latex_header_footer_remove($texversion);
1217: } else {
1218: $texversion =~ s/\\end{document}//;
1219: }
1220: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1221: $texversion=&IndexCreation($texversion,$urlp);
1222: }
1223: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1224: my $name = &get_name();
1225: my $courseidinfo = &get_course();
1226: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1227: $prevassignment=$assignment;
1228: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1229: }
1230: $result .= $texversion;
1231: $flag_latex_header_remove = 'YES';
1232: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1233: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1234: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1235: $resources_printed .= $urlp.':';
1236: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1237: if ($flag_latex_header_remove ne 'NO') {
1238: $texversion = &latex_header_footer_remove($texversion);
1239: } else {
1240: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1241: }
1242: $result .= $texversion;
1243: $flag_latex_header_remove = 'YES';
1244: } else {
1245: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1246: if ($flag_latex_header_remove ne 'NO') {
1247: $texversion = &latex_header_footer_remove($texversion);
1248: } else {
1249: $texversion =~ s/\\end{document}//;
1250: }
1251: $result .= $texversion;
1252: $flag_latex_header_remove = 'YES';
1253: }
1254: if (&Apache::loncommon::connection_aborted($r)) { last; }
1255: }
1256: &Apache::lonnet::delenv('form.counter');
1257: if ($flag_page_in_sequence eq 'YES') {
1258: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1259: }
1260: $result .= '\end{document}';
1261: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1262: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1263:
1264:
1265: #-- prints assignments for whole class or for selected students
1266: my $type;
1267: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1268: $selectionmade=5;
1269: $type='problems';
1270: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1271: $selectionmade=8;
1272: $type='resources';
1273: }
1274: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1275: # The normal sort order is by section then by students within the
1276: # section. If the helper var student_sort is 1, then the user has elected
1277: # to override this and output the students by name.
1278: # Each element of the students array is of the form:
1279: # username:domain:section:last, first:status
1280: #
1281: #
1282: if ($helper->{'VARS'}->{'student_sort'} eq 1) {
1283: @students = sort compare_names @students;
1284: }
1285: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1286: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1287: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1288: }
1289: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1290:
1291: #loop over students
1292: my $flag_latex_header_remove = 'NO';
1293: my %moreenv;
1294: $moreenv{'instructor_comments'}='hide';
1295: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1296: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1297: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1298: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1299: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1300: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1301: my $student_counter=-1;
1302: foreach my $person (@students) {
1303:
1304: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1305: if (-e $duefile) {
1306: my $temp_file = Apache::File->new('>>'.$duefile);
1307: print $temp_file "1969\n";
1308: }
1309: $student_counter++;
1310: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1311: my ($output,$fullname, $printed)=&print_resources($r,$helper,
1312: $person,$type,
1313: \%moreenv,\@master_seq,
1314: $flag_latex_header_remove,
1315: $LaTeXwidth);
1316: $resources_printed .= ":";
1317: $print_array[$i].=$output;
1318: $student_names[$i].=$person.':'.$fullname.'_END_';
1319: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1320: $flag_latex_header_remove = 'YES';
1321: if (&Apache::loncommon::connection_aborted($r)) { last; }
1322: }
1323: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1324: $result .= $print_array[0].' \end{document}';
1325: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1326: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1327: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
1328: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1329: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1330: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1331: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1332:
1333: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1334: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
1335: my ($code_type,$code_length)=('letter',6);
1336: foreach my $line (<FH>) {
1337: my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
1338: if ($name eq $code_option) {
1339: $code_length=$length;
1340: if ($type eq 'number') { $code_type = 'number'; }
1341: }
1342: }
1343: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1344: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1345: my $seed=time+($$<<16)+($$);
1346: my @allcodes;
1347: if ($old_name) {
1348: my %result=&Apache::lonnet::get('CODEs',
1349: [$old_name,"type\0$old_name"],
1350: $cdom,$cnum);
1351: $code_type=$result{"type\0$old_name"};
1352: @allcodes=split(',',$result{$old_name});
1353: $num_todo=scalar(@allcodes);
1354: } else {
1355: my %allcodes;
1356: srand($seed);
1357: for (my $i=0;$i<$num_todo;$i++) {
1358: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
1359: $code_type);
1360: }
1361: if ($code_name) {
1362: &Apache::lonnet::put('CODEs',
1363: {
1364: $code_name =>join(',',keys(%allcodes)),
1365: "type\0$code_name" => $code_type
1366: },
1367: $cdom,$cnum);
1368: }
1369: @allcodes=keys(%allcodes);
1370: }
1371: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1372: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1373: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1374: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1375: $number_per_page=$num_todo;
1376: }
1377: my $flag_latex_header_remove = 'NO';
1378: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1379: my $count=0;
1380: foreach my $code (sort(@allcodes)) {
1381: my $file_num=int($count/$number_per_page);
1382: if ($code_type eq 'number') {
1383: $moreenv{'CODE'}=$code;
1384: } else {
1385: $moreenv{'CODE'}=&num_to_letters($code);
1386: }
1387: my ($output,$fullname, $printed)=
1388: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1389: \@master_seq,$flag_latex_header_remove,
1390: $LaTeXwidth);
1391: $resources_printed .= ":";
1392: $print_array[$file_num].=$output;
1393: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1394: &mt('last assignment').' '.$fullname);
1395: $flag_latex_header_remove = 'YES';
1396: $count++;
1397: if (&Apache::loncommon::connection_aborted($r)) { last; }
1398: }
1399: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1400: $result .= $print_array[0].' \end{document}';
1401: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1402: #prints selected problems from the subdirectory
1403: $selectionmade = 6;
1404: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1405: @list_of_files=sort @list_of_files;
1406: my $flag_latex_header_remove = 'NO';
1407: my $rndseed=time;
1408: if ($helper->{'VARS'}->{'curseed'}) {
1409: $rndseed=$helper->{'VARS'}->{'curseed'};
1410: }
1411: for (my $i=0;$i<=$#list_of_files;$i++) {
1412: my $urlp = $list_of_files[$i];
1413: $urlp=~s|//|/|;
1414: if ($urlp=~/\//) {
1415: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1416: $form{'rndseed'}=$rndseed;
1417: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1418: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1419: } else {
1420: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1421: }
1422: $resources_printed .= $urlp.':';
1423: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1424: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1425: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1426: # Don't permanently pervert %form:
1427: my %answerform = %form;
1428: $answerform{'grade_target'}='answer';
1429: $answerform{'answer_output_mode'}='tex';
1430: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1431: $answerform{'rndseed'}=$rndseed;
1432: $resources_printed .= $urlp.':';
1433: my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1434: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1435: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1436: } else {
1437: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1438: if ($helper->{'VARS'}->{'construction'} ne '1') {
1439: $texversion.='\vskip 0 mm \noindent ';
1440: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1441: } else {
1442: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1443: my $URLpath=$urlp;
1444: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1445: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1446: }
1447: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1448: }
1449: }
1450: #this chunck is responsible for printing the path to problem
1451: my $newurlp=$urlp;
1452: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1453: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1454: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1455: if ($flag_latex_header_remove ne 'NO') {
1456: $texversion = &latex_header_footer_remove($texversion);
1457: } else {
1458: $texversion =~ s/\\end{document}//;
1459: }
1460: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1461: $texversion=&IndexCreation($texversion,$urlp);
1462: }
1463: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1464: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1465:
1466: }
1467: $result .= $texversion;
1468: }
1469: $flag_latex_header_remove = 'YES';
1470: }
1471: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1472: $result .= '\end{document}';
1473: }
1474: #-------------------------------------------------------- corrections for the different page formats
1475: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1476: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1477: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1478: #changes page's parameters for the one column output
1479: if ($numberofcolumns == 1) {
1480: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1481: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1482: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1483: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1484: }
1485:
1486: #-- writing .tex file in prtspool
1487: my $temp_file;
1488: my $identifier = &Apache::loncommon::get_cgi_id();
1489: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1490: if (!($#print_array>0)) {
1491: unless ($temp_file = Apache::File->new('>'.$filename)) {
1492: $r->log_error("Couldn't open $filename for output $!");
1493: return SERVER_ERROR;
1494: }
1495: print $temp_file $result;
1496: my $begin=index($result,'\begin{document}',0);
1497: my $inc=substr($result,0,$begin+16);
1498: } else {
1499: my $begin=index($result,'\begin{document}',0);
1500: my $inc=substr($result,0,$begin+16);
1501: for (my $i=0;$i<=$#print_array;$i++) {
1502: if ($i==0) {
1503: $print_array[$i]=$result;
1504: } else {
1505: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1506: substr($print_array[$i],0,$anobegin)='';
1507: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1508: }
1509: my $temp_file;
1510: my $newfilename=$filename;
1511: my $num=$i+1;
1512: $newfilename =~s/\.tex$//;
1513: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1514: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1515: $r->log_error("Couldn't open $newfilename for output $!");
1516: return SERVER_ERROR;
1517: }
1518: print $temp_file $print_array[$i];
1519: }
1520: }
1521: my $student_names='';
1522: if ($#print_array>0) {
1523: for (my $i=0;$i<=$#print_array;$i++) {
1524: $student_names.=$student_names[$i].'_ENDPERSON_';
1525: }
1526: } else {
1527: if ($#student_names>-1) {
1528: $student_names=$student_names[0].'_ENDPERSON_';
1529: } else {
1530: my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
1531: $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1532: $env{'request.course.sec'},$fullname).
1533: '_ENDPERSON_'.'_END_';
1534: }
1535: }
1536:
1537: my $URLback=''; #link to original document
1538: if ($helper->{'VARS'}->{'construction'} ne '1') {
1539: #prints published resource
1540: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1541: } else {
1542: #prints resource from the construction space
1543: $URLback='/'.$helper->{'VARS'}->{'filename'};
1544: if ($URLback=~/([^?]+)/) {
1545: $URLback=$1;
1546: $URLback=~s|^/~|/priv/|;
1547: }
1548: }
1549: # logic for now is too complex to trace if this has been defined
1550: # yet.
1551: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1552: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1553: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1554: 'cgi.'.$identifier.'.layout' => $laystyle,
1555: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1556: 'cgi.'.$identifier.'.paper' => $papersize,
1557: 'cgi.'.$identifier.'.selection' => $selectionmade,
1558: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1559: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1560: 'cgi.'.$identifier.'.role' => $env{'request.role.adv'},
1561: 'cgi.'.$identifier.'.numberoffiles' => $#print_array,
1562: 'cgi.'.$identifier.'.studentnames' => $student_names,
1563: 'cgi.'.$identifier.'.backref' => $URLback,);
1564: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'},
1565: "cgi.$identifier.domain" => $env{'user.domain'},
1566: "cgi.$identifier.courseid" => $cnum,
1567: "cgi.$identifier.coursedom" => $cdom,
1568: "cgi.$identifier.resources" => $resources_printed);
1569:
1570: $r->print(<<FINALEND);
1571: <br />
1572: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1573: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1574: </body>
1575: </html>
1576: FINALEND
1577: }
1578:
1579: sub num_to_letters {
1580: my ($num) = @_;
1581: my @nums= split('',$num);
1582: my @num_to_let=('A'..'Z');
1583: my $word;
1584: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1585: return $word;
1586: }
1587:
1588: sub get_CODE {
1589: my ($all_codes,$num,$seed,$size,$type)=@_;
1590: my $max='1'.'0'x$size;
1591: my $newcode;
1592: while(1) {
1593: $newcode=sprintf("%06d",int(rand($max)));
1594: if (!exists($$all_codes{$newcode})) {
1595: $$all_codes{$newcode}=1;
1596: if ($type eq 'number' ) {
1597: return $newcode;
1598: } else {
1599: return &num_to_letters($newcode);
1600: }
1601: }
1602: }
1603: }
1604:
1605: sub print_resources {
1606: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1607: $LaTeXwidth)=@_;
1608: my $current_output = '';
1609: my $printed = '';
1610: my ($username,$userdomain,$usersection) = split /:/,$person;
1611: my $fullname = &get_name($username,$userdomain);
1612: my $namepostfix;
1613: if ($person =~ 'anon') {
1614: $namepostfix="\\\\Name: ";
1615: $fullname = "CODE - ".$moreenv->{'CODE'};
1616: }
1617: my $i = 0;
1618: #goes through all resources, checks if they are available for
1619: #current student, and produces output
1620: &Apache::lonnet::delenv('form.counter');
1621: &Apache::lonxml::init_counter();
1622:
1623: my %page_breaks = &get_page_breaks($helper);
1624:
1625: foreach my $curresline (@{$master_seq}) {
1626: if (defined $page_breaks{$curresline}) {
1627: if($i != 0) {
1628: $current_output.= "\\newpage\n";
1629: }
1630: }
1631: $i++;
1632: if ( !($type eq 'problems' &&
1633: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1634: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1635: if (&Apache::lonnet::allowed('bre',$res_url)) {
1636: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1637: $printed .= $curresline.':';
1638: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1639: my $lonidsdir=$r->dir_config('lonIDsDir');
1640: my $envfile=$env{'user.environment'};
1641: $envfile=~/\/([^\/]+)\.id$/;
1642: $envfile=$1;
1643: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1644: my $current_counter=$env{'form.counter'};
1645: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1646: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1647: # Use a copy of the hash so we don't pervert it on future loop passes.
1648: my %answerenv = %{$moreenv};
1649: $answerenv{'answer_output_mode'}='tex';
1650: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1651: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1652: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1653: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1654: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1655: } else {
1656: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1657: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1658: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1659: $rendered.='\vskip 1 mm '.$ansrendered;
1660: }
1661: }
1662: if ($remove_latex_header eq 'YES') {
1663: $rendered = &latex_header_footer_remove($rendered);
1664: } else {
1665: $rendered =~ s/\\end{document}//;
1666: }
1667: $current_output .= $rendered;
1668: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1669: $printed .= $curresline.':';
1670: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1671: my $lonidsdir=$r->dir_config('lonIDsDir');
1672: my $envfile=$env{'user.environment'};
1673: $envfile=~/\/([^\/]+)\.id$/;
1674: $envfile=$1;
1675: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1676: my $current_counter=$env{'form.counter'};
1677: if ($remove_latex_header eq 'YES') {
1678: $rendered = &latex_header_footer_remove($rendered);
1679: } else {
1680: $rendered =~ s/\\end{document}//;
1681: }
1682: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1683: } else {
1684: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1685: if ($remove_latex_header ne 'NO') {
1686: $rendered = &latex_header_footer_remove($rendered);
1687: } else {
1688: $rendered =~ s/\\end{document}//;
1689: }
1690: $current_output .= $rendered;
1691: }
1692: }
1693: $remove_latex_header = 'YES';
1694: }
1695: if (&Apache::loncommon::connection_aborted($r)) { last; }
1696: }
1697: my $courseidinfo = &get_course();
1698: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1699: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1700: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1701: if ($current_output=~/\\documentclass/) {
1702: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1703: } else {
1704: my $blankpages = '';
1705: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1706: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1707: }
1708: return ($current_output,$fullname, $printed);
1709:
1710: }
1711:
1712: sub handler {
1713:
1714: my $r = shift;
1715: my $helper;
1716:
1717: # my $loaderror=&Apache::lonnet::overloaderror($r);
1718: # if ($loaderror) { return $loaderror; }
1719: # $loaderror=
1720: # &Apache::lonnet::overloaderror($r,
1721: # $env{'course.'.$env{'request.course.id'}.'.home'});
1722: # if ($loaderror) { return $loaderror; }
1723:
1724: my $result = printHelper($r);
1725: if (!ref($result)) {
1726: return $result;
1727: }
1728: $helper = $result;
1729:
1730: # my $key;
1731: # foreach $key (keys %{$helper->{'VARS'}}) {
1732: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1733: # }
1734: # foreach $key (keys %env) {
1735: # $r->print(' '.$key.'->'.$env{$key}.'<-<br />');
1736: # }
1737: # return OK;
1738:
1739: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1740:
1741: # my $key;
1742: # foreach $key (keys %parmhash) {
1743: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1744: # }
1745: #
1746:
1747:
1748: # If a figure conversion queue file exists for this user.domain
1749: # we delete it since it can only be bad (if it were good, printout.pl
1750: # would have deleted it the last time around.
1751:
1752: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1753: if(-e $conversion_queuefile) {
1754: unlink $conversion_queuefile;
1755: }
1756: &output_data($r,$helper,\%parmhash);
1757: return OK;
1758: }
1759:
1760: use Apache::lonhelper;
1761:
1762: sub addMessage {
1763: my $text = shift;
1764: my $paramHash = Apache::lonhelper::getParamHash();
1765: $paramHash->{MESSAGE_TEXT} = $text;
1766: Apache::lonhelper::message->new();
1767: }
1768:
1769: use Data::Dumper;
1770:
1771: sub printHelper {
1772: my $r = shift;
1773:
1774: if ($r->header_only) {
1775: if ($env{'browser.mathml'}) {
1776: &Apache::loncommon::content_type($r,'text/xml');
1777: } else {
1778: &Apache::loncommon::content_type($r,'text/html');
1779: }
1780: $r->send_http_header;
1781: return OK;
1782: }
1783:
1784: # Send header, nocache
1785: if ($env{'browser.mathml'}) {
1786: &Apache::loncommon::content_type($r,'text/xml');
1787: } else {
1788: &Apache::loncommon::content_type($r,'text/html');
1789: }
1790: &Apache::loncommon::no_cache($r);
1791: $r->send_http_header;
1792: $r->rflush();
1793:
1794: # Unfortunately, this helper is so complicated we have to
1795: # write it by hand
1796:
1797: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1798:
1799: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1800: $helper->declareVar('symb');
1801: $helper->declareVar('postdata');
1802: $helper->declareVar('curseed');
1803: $helper->declareVar('probstatus');
1804: $helper->declareVar('filename');
1805: $helper->declareVar('construction');
1806: $helper->declareVar('assignment');
1807: $helper->declareVar('style_file');
1808: $helper->declareVar('student_sort');
1809: $helper->declareVar('FINISHPAGE');
1810: $helper->declareVar('PRINT_TYPE');
1811: $helper->declareVar("showallfoils");
1812:
1813: # The page breaks can get loaded initially from the course environment:
1814:
1815: if((!defined($env{"form.CURRENT_STATE"})) ||
1816: ($env{'form.CURRENT_STATE'} == "START")) {
1817: $helper->{VARS}->{FINISHPAGE} = ""; # In case they did a back e.g.
1818: }
1819:
1820:
1821:
1822: &Apache::loncommon::restore_course_settings('print',
1823: {'pagebreaks' => 'scalar',
1824: 'lastprinttype' => 'scalar'});
1825:
1826:
1827: if("$helper->{VARS}->{PRINT_TYPE}" eq "$env{'form.lastprinttype'}") {
1828: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1829: }
1830:
1831:
1832: # This will persistently load in the data we want from the
1833: # very first screen.
1834: # Detect whether we're coming from construction space
1835: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1836: $helper->{VARS}->{'filename'} = "~$1/$2";
1837: $helper->{VARS}->{'construction'} = 1;
1838: } else {
1839: if ($env{'form.postdata'}) {
1840: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1841: }
1842: if ($env{'form.symb'}) {
1843: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1844: }
1845: if ($env{'form.url'}) {
1846: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1847: }
1848: }
1849:
1850: if ($env{'form.symb'}) {
1851: $helper->{VARS}->{'symb'} = $env{'form.symb'};
1852: }
1853: if ($env{'form.url'}) {
1854: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1855:
1856: }
1857: $helper->{VARS}->{'symb'}=
1858: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1859: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1860: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1861:
1862:
1863: # Extract map
1864: my $symb = $helper->{VARS}->{'symb'};
1865: my ($map, $id, $url);
1866: my $subdir;
1867:
1868: # Get the resource name from construction space
1869: if ($helper->{VARS}->{'construction'}) {
1870: $resourceTitle = substr($helper->{VARS}->{'filename'},
1871: rindex($helper->{VARS}->{'filename'}, '/')+1);
1872: $subdir = substr($helper->{VARS}->{'filename'},
1873: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1874: } else {
1875: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1876: $helper->{VARS}->{'postdata'} =
1877: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1878:
1879: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1880: my $postdata = $helper->{VARS}->{'postdata'};
1881: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1882: }
1883: $subdir = &Apache::lonnet::filelocation("", $url);
1884: }
1885: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
1886: $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1887: }
1888: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1889: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
1890: }
1891:
1892: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1893: my $userPriviledged = ($env{'request.role'}=~m/^cc\./ or
1894: $env{'request.role'}=~m/^in\./ or
1895: $env{'request.role'}=~m/^ta\./);
1896:
1897: Apache::lonhelper::registerHelperTags();
1898:
1899: # "Delete everything after the last slash."
1900: $subdir =~ s|/[^/]+$||;
1901: if (not $helper->{VARS}->{'construction'}) {
1902: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1903: }
1904: # "Remove all duplicate slashes."
1905: $subdir =~ s|/+|/|g;
1906:
1907: # What can be printed is a very dynamic decision based on
1908: # lots of factors. So we need to dynamically build this list.
1909: # To prevent security leaks, states are only added to the wizard
1910: # if they can be reached, which ensures manipulating the form input
1911: # won't allow anyone to reach states they shouldn't have permission
1912: # to reach.
1913:
1914: # printChoices is tracking the kind of printing the user can
1915: # do, and will be used in a choices construction later.
1916: # In the meantime we will be adding states and elements to
1917: # the helper by hand.
1918: my $printChoices = [];
1919: my $paramHash;
1920:
1921: if ($resourceTitle) {
1922: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1923: }
1924:
1925: # Useful filter strings
1926: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1927: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1928: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
1929: my $isNotMap = '!$res->is_sequence()';
1930: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1931: my $isMap = '$res->is_map()';
1932: my $symbFilter = '$res->shown_symb()';
1933: my $urlValue = '$res->link()';
1934:
1935: $helper->declareVar('SEQUENCE');
1936:
1937: # Useful for debugging: Dump the help vars
1938: # $r->print(Dumper($helper->{VARS}));
1939: # $r->print($map);
1940:
1941: # If we're in a sequence...
1942: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1943:
1944: $helper->{VARS}->{'postdata'} &&
1945: $helper->{VARS}->{'assignment'}) {
1946: # Allow problems from sequence
1947: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1948: # Allow all resources from sequence
1949: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1950:
1951: my $helperFragment = <<HELPERFRAGMENT;
1952: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1953: <message>(mark them then click "next" button) <br /></message>
1954: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1955: closeallpages="1">
1956: <nextstate>PAGESIZE</nextstate>
1957: <filterfunc>return $isProblem;</filterfunc>
1958: <mapurl>$map</mapurl>
1959: <valuefunc>return $symbFilter;</valuefunc>
1960: <option text='Newpage' variable='FINISHPAGE' />
1961: </resource>
1962: </state>
1963:
1964: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1965: <message>(mark them then click "next" button) <br /></message>
1966: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1967: closeallpages="1">
1968: <nextstate>PAGESIZE</nextstate>
1969: <filterfunc>return $isNotMap;</filterfunc>
1970: <mapurl>$map</mapurl>
1971: <valuefunc>return $symbFilter;</valuefunc>
1972: <option text='Newpage' variable='FINISHPAGE' />
1973: </resource>
1974: </state>
1975: HELPERFRAGMENT
1976:
1977: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1978: }
1979:
1980: # If the user is privileged, allow them to print all
1981: # problems and resources in the entier course, optionally for selected students
1982: if ($userPriviledged &&
1983: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
1984:
1985: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1986: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
1987: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1988: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1989: <message>(mark them then click "next" button) <br /></message>
1990: <resource variable="RESOURCES" toponly='0' multichoice="1"
1991: suppressEmptySequences='0' addstatus="1" closeallpages="1">
1992: <nextstate>PAGESIZE</nextstate>
1993: <filterfunc>return $isProblemOrMap;</filterfunc>
1994: <choicefunc>return $isNotMap;</choicefunc>
1995: <valuefunc>return $symbFilter;</valuefunc>
1996: <option text='Newpage' variable='FINISHPAGE' />
1997: </resource>
1998: </state>
1999: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
2000: <message>(Mark them then click "next" button) <br /> </message>
2001: <resource variable="RESOURCES" toponly='0' multichoice='1'
2002: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
2003: <nextstate>PAGESIZE</nextstate>
2004: <filterfunc>return $isNotMap; </filterfunc>
2005: <valuefunc>return $symbFilter;</valuefunc>
2006: <option text='NewPage' variable='FINISHPAGE' />
2007: </resource>
2008: </state>
2009: ALL_PROBLEMS
2010:
2011: if ($helper->{VARS}->{'assignment'}) {
2012: 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'];
2013: 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'];
2014: }
2015: my $resource_selector=<<RESOURCE_SELECTOR;
2016: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2017: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2018: closeallpages="1">
2019: <filterfunc>return $isProblem;</filterfunc>
2020: <mapurl>$map</mapurl>
2021: <valuefunc>return $symbFilter;</valuefunc>
2022: <option text='New Page' variable='FINISHPAGE' />
2023: </resource>
2024: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2025: <choices variable="EMPTY_PAGES">
2026: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2027: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2028: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2029: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2030: </choices>
2031: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2032: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2033: RESOURCE_SELECTOR
2034:
2035: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
2036: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
2037: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
2038: <message><b>Select sort order</b> </message>
2039: <choices variable='student_sort'>
2040: <choice computer='0'>Sort by section then student</choice>
2041: <choice computer='1'>Sort by students across sections.</choice>
2042: </choices>
2043: $resource_selector
2044: </state>
2045: CHOOSE_STUDENTS
2046:
2047: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2048: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2049: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
2050: my $namechoice='<choice></choice>';
2051: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
2052: if ($name =~ /^error: 2 /) { next; }
2053: if ($name =~ /^type\0/) { next; }
2054: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
2055: }
2056: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
2057: my $codechoice='';
2058: foreach my $line (<FH>) {
2059: my ($name,$description,$code_type,$code_length)=
2060: (split(/:/,$line))[0,1,2,4];
2061: if ($code_length > 0 &&
2062: $code_type =~/^(letter|number|-1)/) {
2063: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
2064: }
2065: }
2066: if ($codechoice eq '') {
2067: $codechoice='<choice computer="default">Default</choice>';
2068: }
2069: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
2070: <state name="CHOOSE_ANON1" title="Select Students and Resources">
2071: <nextstate>PAGESIZE</nextstate>
2072: <message><hr width='33%' /></message>
2073: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2074: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2075: <validator>
2076: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2077: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} &&
2078: !\$helper->{'VARS'}{'SINGLE_CODE'}) {
2079: return "You need to specify the number of assignments to print";
2080: }
2081: return undef;
2082: </validator>
2083: </string>
2084: <message></td></tr><tr><td></message>
2085: <message><b>Value of CODE to print?</b></td><td></message>
2086: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
2087: <validator>
2088: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} &&
2089: !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
2090: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
2091: \$helper->{'VARS'}{'CODE_OPTION'});
2092: } else {
2093: return undef; # Other forces control us.
2094: }
2095: </validator>
2096: </string>
2097: <message></td></tr><tr><td></message>
2098: <message><b>Names to store the CODEs under for later:</b></message>
2099: <message></td><td></message>
2100: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2101: <message></td></tr><tr><td></message>
2102: <message><b>Bubble sheet type:</b></message>
2103: <message></td><td></message>
2104: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2105: $codechoice
2106: </dropdown>
2107: <message></td></tr></table></message>
2108: <message><hr width='33%' /></message>
2109: <message><b>Reprint a set of saved CODEs:</b></message>
2110: <dropdown variable="REUSE_OLD_CODES">
2111: $namechoice
2112: </dropdown>
2113: <message><hr width='33%' /></message>
2114: $resource_selector
2115: </state>
2116: CHOOSE_ANON1
2117:
2118:
2119: if ($helper->{VARS}->{'assignment'}) {
2120: 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'];
2121: 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'];
2122: }
2123:
2124:
2125: $resource_selector=<<RESOURCE_SELECTOR;
2126: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
2127: <resource variable="RESOURCES" multichoice="1" addstatus="1"
2128: closeallpages="1">
2129: <filterfunc>return $isNotMap;</filterfunc>
2130: <mapurl>$map</mapurl>
2131: <valuefunc>return $symbFilter;</valuefunc>
2132: <option text='Newpage' variable='FINISHPAGE' />
2133: </resource>
2134: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
2135: <choices variable="EMPTY_PAGES">
2136: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
2137: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
2138: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
2139: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
2140: </choices>
2141: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
2142: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
2143: RESOURCE_SELECTOR
2144:
2145: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
2146: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
2147: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
2148: <choices variable='student_sort'>
2149: <choice computer='0'>Sort by section then student</choice>
2150: <choice computer='1'>Sort by students across sections.</choice>
2151: </choices>
2152:
2153: $resource_selector
2154: </state>
2155: CHOOSE_STUDENTS1
2156:
2157: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
2158: <state name="CHOOSE_ANON2" title="Select Students and Resources">
2159: <nextstate>PAGESIZE</nextstate>
2160: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
2161: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
2162: <validator>
2163: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
2164: !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
2165: return "You need to specify the number of assignments to print";
2166: }
2167: return undef;
2168: </validator>
2169: </string>
2170: <message></td></tr><tr><td></message>
2171: <message><b>Names to store the CODEs under for later:</b></message>
2172: <message></td><td></message>
2173: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
2174: <message></td></tr><tr><td></message>
2175: <message><b>Bubble sheet type:</b></message>
2176: <message></td><td></message>
2177: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
2178: $codechoice
2179: </dropdown>
2180: <message></td></tr></table></message>
2181: <message><hr width='33%' /></message>
2182: <message><b>Reprint a set of saved CODEs:</b></message>
2183: <dropdown variable="REUSE_OLD_CODES">
2184: $namechoice
2185: </dropdown>
2186: <message><hr width='33%' /></message>
2187: $resource_selector
2188: </state>
2189: CHOOSE_ANON2
2190: }
2191:
2192: # FIXME: That RE should come from a library somewhere.
2193: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
2194: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
2195:
2196: my $f = '$filename';
2197: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
2198: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
2199: <message>(mark them then click "next" button) <br /></message>
2200: <files variable="FILES" multichoice='1'>
2201: <nextstate>PAGESIZE</nextstate>
2202: <filechoice>return '$subdir';</filechoice>
2203: CHOOSE_FROM_SUBDIR
2204:
2205: # this is broken up because I really want interpolation above,
2206: # and I really DON'T want it below
2207: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
2208: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
2209: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
2210: </filefilter>
2211: </files>
2212: </state>
2213: CHOOSE_FROM_SUBDIR
2214: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2215: }
2216:
2217: # Allow the user to select any sequence in the course, feed it to
2218: # another resource selector for that sequence
2219: if (!$helper->{VARS}->{'construction'}) {
2220: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
2221: 'select_sequences', 'CHOOSE_SEQUENCE'];
2222: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
2223: #Escape apostrophes and backslashes for Perl
2224: $escapedSequenceName =~ s/\\/\\\\/g;
2225: $escapedSequenceName =~ s/'/\\'/g;
2226: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
2227: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
2228: <message>Select the sequence to print resources from:</message>
2229: <resource variable="SEQUENCE">
2230: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
2231: <filterfunc>return \$res->is_sequence;</filterfunc>
2232: <valuefunc>return $urlValue;</valuefunc>
2233: <option text='Newpage' variable='FINISHPAGE' />
2234: </resource>
2235: </state>
2236: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
2237: <message>(mark desired resources then click "next" button) <br /></message>
2238: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
2239: closeallpages="1">
2240: <nextstate>PAGESIZE</nextstate>
2241: <filterfunc>return $isProblem</filterfunc>
2242: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
2243: <valuefunc>return $symbFilter;</valuefunc>
2244: <option text='Newpage' variable='FINISHPAGE' />
2245: </resource>
2246: </state>
2247: CHOOSE_FROM_ANY_SEQUENCE
2248: }
2249:
2250: # Generate the first state, to select which resources get printed.
2251: Apache::lonhelper::state->new("START", "Select Printing Options:");
2252: $paramHash = Apache::lonhelper::getParamHash();
2253: $paramHash->{MESSAGE_TEXT} = "";
2254: Apache::lonhelper::message->new();
2255: $paramHash = Apache::lonhelper::getParamHash();
2256: $paramHash->{'variable'} = 'PRINT_TYPE';
2257: $paramHash->{CHOICES} = $printChoices;
2258: Apache::lonhelper::choices->new();
2259:
2260: my $startedTable = 0; # have we started an HTML table yet? (need
2261: # to close it later)
2262:
2263: if (($env{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
2264: ($helper->{VARS}->{'construction'} eq '1')) {
2265: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
2266: $paramHash = Apache::lonhelper::getParamHash();
2267: $paramHash->{'variable'} = 'ANSWER_TYPE';
2268: $helper->declareVar('ANSWER_TYPE');
2269: $paramHash->{CHOICES} = [
2270: ['Without Answers', 'yes'],
2271: ['With Answers', 'no'],
2272: ['Only Answers', 'only']
2273: ];
2274: Apache::lonhelper::dropdown->new();
2275: addMessage("</td></tr>");
2276: $startedTable = 1;
2277: }
2278:
2279: if ($env{'request.role.adv'}) {
2280: if (!$startedTable) {
2281: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2282: $startedTable = 1;
2283: } else {
2284: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2285: }
2286: $paramHash = Apache::lonhelper::getParamHash();
2287: $paramHash->{'variable'} = 'LATEX_TYPE';
2288: $helper->declareVar('LATEX_TYPE');
2289: if ($helper->{VARS}->{'construction'} eq '1') {
2290: $paramHash->{CHOICES} = [
2291: ['standard LaTeX mode', 'standard'],
2292: ['LaTeX batchmode', 'batchmode'], ];
2293: } else {
2294: $paramHash->{CHOICES} = [
2295: ['LaTeX batchmode', 'batchmode'],
2296: ['standard LaTeX mode', 'standard'] ];
2297: }
2298: Apache::lonhelper::dropdown->new();
2299:
2300: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2301: $paramHash = Apache::lonhelper::getParamHash();
2302: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2303: $helper->declareVar('TABLE_CONTENTS');
2304: $paramHash->{CHOICES} = [
2305: ['No', 'no'],
2306: ['Yes', 'yes'] ];
2307: Apache::lonhelper::dropdown->new();
2308: addMessage("</td></tr>");
2309:
2310: if (not $helper->{VARS}->{'construction'}) {
2311: addMessage("<tr><td align='right'>Print Index: </td><td>");
2312: $paramHash = Apache::lonhelper::getParamHash();
2313: $paramHash->{'variable'} = 'TABLE_INDEX';
2314: $helper->declareVar('TABLE_INDEX');
2315: $paramHash->{CHOICES} = [
2316: ['No', 'no'],
2317: ['Yes', 'yes'] ];
2318: Apache::lonhelper::dropdown->new();
2319: addMessage("</td></tr>");
2320: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2321: $paramHash = Apache::lonhelper::getParamHash();
2322: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2323: $helper->declareVar('PRINT_DISCUSSIONS');
2324: $paramHash->{CHOICES} = [
2325: ['No', 'no'],
2326: ['Yes', 'yes'] ];
2327: Apache::lonhelper::dropdown->new();
2328: addMessage("</td></tr>");
2329:
2330: # If advanced roles, then allow to show all foils.
2331:
2332: if ($env{'request.role.adv'}) {
2333: addMessage("<tr><td align = 'right'> </td><td>");
2334: $paramHash = Apache::lonhelper::getParamHash();
2335: $paramHash->{'multichoice'} = "true";
2336: $paramHash->{'allowempty'} = "true";
2337: $paramHash->{'variable'} = "showallfoils";
2338: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
2339: Apache::lonhelper::choices->new();
2340: addMessage("</td></tr>");
2341: }
2342:
2343: }
2344:
2345: if ($helper->{'VARS'}->{'construction'}) {
2346: my $stylevalue=$env{'construct.style'};
2347: my $xmlfrag .= <<"RNDSEED";
2348: <message><tr><td align='right'>Use random seed: </td><td></message>
2349: <string variable="curseed" size="15" maxlength="15">
2350: <defaultvalue>
2351: return $helper->{VARS}->{'curseed'};
2352: </defaultvalue>
2353: </string>
2354: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2355: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message>
2356: <choices allowempty="1" multichoice="true" variable="showallfoils">
2357: <choice computer="1">Show all foils?</choice>
2358: </choices>
2359: <message></td></tr></message>
2360: RNDSEED
2361: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2362: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
2363:
2364: }
2365:
2366: }
2367:
2368:
2369:
2370:
2371: if ($startedTable) {
2372: addMessage("</table>");
2373: }
2374:
2375: Apache::lonprintout::page_format_state->new("FORMAT");
2376:
2377: # Generate the PAGESIZE state which will offer the user the margin
2378: # choices if they select one column
2379: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2380: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2381:
2382:
2383: $helper->process();
2384:
2385: # MANUAL BAILOUT CONDITION:
2386: # If we're in the "final" state, bailout and return to handler
2387: if ($helper->{STATE} eq 'FINAL') {
2388: return $helper;
2389: }
2390:
2391: $r->print($helper->display());
2392:
2393: &Apache::lonhelper::unregisterHelperTags();
2394:
2395: return OK;
2396: }
2397:
2398:
2399: 1;
2400:
2401: package Apache::lonprintout::page_format_state;
2402:
2403: =pod
2404:
2405: =head1 Helper element: page_format_state
2406:
2407: See lonhelper.pm documentation for discussion of the helper framework.
2408:
2409: Apache::lonprintout::page_format_state is an element that gives the
2410: user an opportunity to select the page layout they wish to print
2411: with: Number of columns, portrait/landscape, and paper size. If you
2412: want to change the paper size choices, change the @paperSize array
2413: contents in this package.
2414:
2415: page_format_state is always directly invoked in lonprintout.pm, so there
2416: is no tag interface. You actually pass parameters to the constructor.
2417:
2418: =over 4
2419:
2420: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2421:
2422: =back
2423:
2424: =cut
2425:
2426: use Apache::lonhelper;
2427:
2428: no strict;
2429: @ISA = ("Apache::lonhelper::element");
2430: use strict;
2431: use Apache::lonlocal;
2432: use Apache::lonnet;
2433:
2434: my $maxColumns = 2;
2435: # it'd be nice if these all worked
2436: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2437: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2438: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2439: # "a5 [148x210 mm]", "a6 [105x148 mm]" );
2440: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2441: "a4 [210x297 mm]");
2442:
2443: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2444: # Paper type
2445:
2446: sub new {
2447: my $self = Apache::lonhelper::element->new();
2448:
2449: shift;
2450:
2451: $self->{'variable'} = shift;
2452: my $helper = Apache::lonhelper::getHelper();
2453: $helper->declareVar($self->{'variable'});
2454: bless($self);
2455: return $self;
2456: }
2457:
2458: sub render {
2459: my $self = shift;
2460: my $helper = Apache::lonhelper::getHelper();
2461: my $result = '';
2462: my $var = $self->{'variable'};
2463: my $PageLayout=&mt('Page layout');
2464: my $NumberOfColumns=&mt('Number of columns');
2465: my $PaperType=&mt('Paper type');
2466: $result .= <<STATEHTML;
2467:
2468: <hr width="33%" />
2469: <table cellpadding="3">
2470: <tr>
2471: <td align="center"><b>$PageLayout</b></td>
2472: <td align="center"><b>$NumberOfColumns</b></td>
2473: <td align="center"><b>$PaperType</b></td>
2474: </tr>
2475: <tr>
2476: <td>
2477: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
2478: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label>
2479: </td>
2480: <td align="center">
2481: <select name="${var}.cols">
2482: STATEHTML
2483:
2484: my $i;
2485: for ($i = 1; $i <= $maxColumns; $i++) {
2486: if ($i == 2) {
2487: $result .= "<option value='$i' selected>$i</option>\n";
2488: } else {
2489: $result .= "<option value='$i'>$i</option>\n";
2490: }
2491: }
2492:
2493: $result .= "</select></td><td>\n";
2494: $result .= "<select name='${var}.paper'>\n";
2495:
2496: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
2497: my $DefaultPaperSize=$parmhash{'default_paper_size'};
2498: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2499: $i = 0;
2500: foreach (@paperSize) {
2501: $_=~/(\w+)/;
2502: my $papersize=$1;
2503: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2504: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2505: } else {
2506: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2507: }
2508: $i++;
2509: }
2510: $result .= "</select></td></tr></table>";
2511: return $result;
2512: }
2513:
2514: sub postprocess {
2515: my $self = shift;
2516:
2517: my $var = $self->{'variable'};
2518: my $helper = Apache::lonhelper->getHelper();
2519: $helper->{VARS}->{$var} =
2520: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
2521: $env{"form.$var.paper"};
2522: return 1;
2523: }
2524:
2525: 1;
2526:
2527: package Apache::lonprintout::page_size_state;
2528:
2529: =pod
2530:
2531: =head1 Helper element: page_size_state
2532:
2533: See lonhelper.pm documentation for discussion of the helper framework.
2534:
2535: Apache::lonprintout::page_size_state is an element that gives the
2536: user the opportunity to further refine the page settings if they
2537: select a single-column page.
2538:
2539: page_size_state is always directly invoked in lonprintout.pm, so there
2540: is no tag interface. You actually pass parameters to the constructor.
2541:
2542: =over 4
2543:
2544: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2545:
2546: =back
2547:
2548: =cut
2549:
2550: use Apache::lonhelper;
2551: use Apache::lonnet;
2552: no strict;
2553: @ISA = ("Apache::lonhelper::element");
2554: use strict;
2555:
2556:
2557:
2558: sub new {
2559: my $self = Apache::lonhelper::element->new();
2560:
2561: shift; # disturbs me (probably prevents subclassing) but works (drops
2562: # package descriptor)... - Jeremy
2563:
2564: $self->{'variable'} = shift;
2565: my $helper = Apache::lonhelper::getHelper();
2566: $helper->declareVar($self->{'variable'});
2567:
2568: # The variable name of the format element, so we can look into
2569: # $helper->{VARS} to figure out whether the columns are one or two
2570: $self->{'formatvar'} = shift;
2571:
2572: # The state to transition to after selection, or after discovering
2573: # the cols are not set to 1
2574: $self->{NEXTSTATE} = shift;
2575: bless($self);
2576: return $self;
2577: }
2578:
2579: sub render {
2580: my $self = shift;
2581: my $helper = Apache::lonhelper::getHelper();
2582: my $result = '';
2583: my $var = $self->{'variable'};
2584:
2585: if (defined $self->{ERROR_MSG}) {
2586: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2587: }
2588:
2589: $result .= <<ELEMENTHTML;
2590:
2591: <p>How should the column be formatted?</p>
2592:
2593: <table cellpadding='3'>
2594: <tr>
2595: <td align='right'><b>Width</b>:</td>
2596: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2597: <td align='left'>
2598: <select name='$var.widthunit'>
2599: <option>cm</option><option>in</option>
2600: </select>
2601: </td>
2602: </tr>
2603: <tr>
2604: <td align='right'><b>Height</b>:</td>
2605: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2606: <td align='left'>
2607: <select name='$var.heightunit'>
2608: <option>cm</option><option>in</option>
2609: </select>
2610: </td>
2611: </tr>
2612: <tr>
2613: <td align='right'><b>Left margin</b>:</td>
2614: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2615: <td align='left'>
2616: <select name='$var.lmarginunit'>
2617: <option>cm</option><option>in</option>
2618: </select>
2619: </td>
2620: </tr>
2621: </table>
2622:
2623: <p>Hint: Some instructors like to leave scratch space for the student by
2624: making the width much smaller than the width of the page.</p>
2625:
2626: ELEMENTHTML
2627:
2628: return $result;
2629: }
2630:
2631: # If the user didn't select 1 column, skip this state.
2632: sub preprocess {
2633: my $self = shift;
2634: my $helper = Apache::lonhelper::getHelper();
2635:
2636: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2637: if (substr($format, 2, 1) ne '1') {
2638: $helper->changeState($self->{NEXTSTATE});
2639: }
2640:
2641: return 1;
2642: }
2643:
2644: sub postprocess {
2645: my $self = shift;
2646:
2647: my $var = $self->{'variable'};
2648: my $helper = Apache::lonhelper->getHelper();
2649: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
2650: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
2651: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
2652: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
2653: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
2654: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
2655:
2656: my $error = '';
2657:
2658: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2659: # by an optional period, followed by digits, ending the string
2660:
2661: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2662: $error .= "Invalid width; please type only a number.<br />\n";
2663: }
2664: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2665: $error .= "Invalid height; please type only a number.<br />\n";
2666: }
2667: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2668: $error .= "Invalid left margin; please type only a number.<br />\n";
2669: }
2670:
2671: if (!$error) {
2672: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2673: return 1;
2674: } else {
2675: $self->{ERROR_MSG} = $error;
2676: return 0;
2677: }
2678: }
2679:
2680:
2681:
2682: __END__
2683:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonprintout.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface