1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.351 2005/01/10 11:46:03 foxr Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
29: package Apache::lonprintout;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonxml;
34: use Apache::lonnet;
35: use Apache::loncommon;
36: use Apache::inputtags;
37: use Apache::grades;
38: use Apache::edit;
39: use Apache::File();
40: use Apache::lonnavmaps;
41: use Apache::lonratedt;
42: use POSIX qw(strftime);
43: use Apache::lonlocal;
44:
45: my $LaTeXwidth = 0;
46:
47:
48: # Compare two students by name. The students are in the form
49: # returned by the helper:
50: # user:domain:section:last, first:status
51: # This is a helper function for the perl sort built-in therefore:
52: # Implicit Inputs:
53: # $a - The first element to compare (global)
54: # $b - The second element to compare (global)
55: # Returns:
56: # -1 - $a < $b
57: # 0 - $a == $b
58: # +1 - $a > $b
59: # Note that the initial comparison is done on the last names with the
60: # first names only used to break the tie.
61: #
62: #
63: sub compare_names {
64: # First split the names up into the primary fields.
65:
66: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
67: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
68:
69: # Now split the last name and first name of each n:
70: #
71:
72: my ($l1,$f1) = split(/,/, $n1);
73: my ($l2,$f2) = split(/,/, $n2);
74:
75: # We don't bother to remove the leading/trailing whitespace from the
76: # firstname, unless the last names compare identical.
77:
78: if($l1 lt $l2) {
79: return -1;
80: }
81: if($l1 gt $l2) {
82: return 1;
83: }
84:
85: # Break the tie on the first name, but there are leading (possibly trailing
86: # whitespaces to get rid of first
87: #
88: $f1 =~ s/^\s+//; # Remove leading...
89: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
90:
91: $f2 =~ s/^\s+//;
92: $f2 =~ s/\s+$//; # And the same for first 2...
93:
94: if($f1 lt $f2) {
95: return -1;
96: }
97: if($f1 gt $f2) {
98: return 1;
99: }
100:
101: # Must be the same name.
102:
103: return 0;
104: }
105:
106: sub latex_header_footer_remove {
107: my $text = shift;
108: $text =~ s/\\end{document}//;
109: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
110: return $text;
111: }
112:
113:
114: sub character_chart {
115: my $result = shift;
116: $result =~ s/&\#0?0?(7|9);//g;
117: $result =~ s/&\#0?(10|13);//g;
118: $result =~ s/&\#0?32;/ /g;
119: $result =~ s/&\#0?33;/!/g;
120: $result =~ s/&(\#0?34|quot);/\"/g;
121: $result =~ s/&\#0?35;/\\\#/g;
122: $result =~ s/&\#0?36;/\\\$/g;
123: $result =~ s/&\#0?37;/\\%/g;
124: $result =~ s/&(\#0?38|amp);/\\&/g;
125: $result =~ s/&\#(0?39|146);/\'/g;
126: $result =~ s/&\#0?40;/(/g;
127: $result =~ s/&\#0?41;/)/g;
128: $result =~ s/&\#0?42;/\*/g;
129: $result =~ s/&\#0?43;/\+/g;
130: $result =~ s/&\#(0?44|130);/,/g;
131: $result =~ s/&\#0?45;/-/g;
132: $result =~ s/&\#0?46;/\./g;
133: $result =~ s/&\#0?47;/\//g;
134: $result =~ s/&\#0?48;/0/g;
135: $result =~ s/&\#0?49;/1/g;
136: $result =~ s/&\#0?50;/2/g;
137: $result =~ s/&\#0?51;/3/g;
138: $result =~ s/&\#0?52;/4/g;
139: $result =~ s/&\#0?53;/5/g;
140: $result =~ s/&\#0?54;/6/g;
141: $result =~ s/&\#0?55;/7/g;
142: $result =~ s/&\#0?56;/8/g;
143: $result =~ s/&\#0?57;/9/g;
144: $result =~ s/&\#0?58;/:/g;
145: $result =~ s/&\#0?59;/;/g;
146: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
147: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
148: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
149: $result =~ s/&\#0?63;/\?/g;
150: $result =~ s/&\#0?65;/A/g;
151: $result =~ s/&\#0?66;/B/g;
152: $result =~ s/&\#0?67;/C/g;
153: $result =~ s/&\#0?68;/D/g;
154: $result =~ s/&\#0?69;/E/g;
155: $result =~ s/&\#0?70;/F/g;
156: $result =~ s/&\#0?71;/G/g;
157: $result =~ s/&\#0?72;/H/g;
158: $result =~ s/&\#0?73;/I/g;
159: $result =~ s/&\#0?74;/J/g;
160: $result =~ s/&\#0?75;/K/g;
161: $result =~ s/&\#0?76;/L/g;
162: $result =~ s/&\#0?77;/M/g;
163: $result =~ s/&\#0?78;/N/g;
164: $result =~ s/&\#0?79;/O/g;
165: $result =~ s/&\#0?80;/P/g;
166: $result =~ s/&\#0?81;/Q/g;
167: $result =~ s/&\#0?82;/R/g;
168: $result =~ s/&\#0?83;/S/g;
169: $result =~ s/&\#0?84;/T/g;
170: $result =~ s/&\#0?85;/U/g;
171: $result =~ s/&\#0?86;/V/g;
172: $result =~ s/&\#0?87;/W/g;
173: $result =~ s/&\#0?88;/X/g;
174: $result =~ s/&\#0?89;/Y/g;
175: $result =~ s/&\#0?90;/Z/g;
176: $result =~ s/&\#0?91;/[/g;
177: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
178: $result =~ s/&\#0?93;/]/g;
179: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
180: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
181: $result =~ s/&\#(0?96|145);/\`/g;
182: $result =~ s/&\#0?97;/a/g;
183: $result =~ s/&\#0?98;/b/g;
184: $result =~ s/&\#0?99;/c/g;
185: $result =~ s/&\#100;/d/g;
186: $result =~ s/&\#101;/e/g;
187: $result =~ s/&\#102;/f/g;
188: $result =~ s/&\#103;/g/g;
189: $result =~ s/&\#104;/h/g;
190: $result =~ s/&\#105;/i/g;
191: $result =~ s/&\#106;/j/g;
192: $result =~ s/&\#107;/k/g;
193: $result =~ s/&\#108;/l/g;
194: $result =~ s/&\#109;/m/g;
195: $result =~ s/&\#110;/n/g;
196: $result =~ s/&\#111;/o/g;
197: $result =~ s/&\#112;/p/g;
198: $result =~ s/&\#113;/q/g;
199: $result =~ s/&\#114;/r/g;
200: $result =~ s/&\#115;/s/g;
201: $result =~ s/&\#116;/t/g;
202: $result =~ s/&\#117;/u/g;
203: $result =~ s/&\#118;/v/g;
204: $result =~ s/&\#119;/w/g;
205: $result =~ s/&\#120;/x/g;
206: $result =~ s/&\#121;/y/g;
207: $result =~ s/&\#122;/z/g;
208: $result =~ s/&\#123;/\\{/g;
209: $result =~ s/&\#124;/\|/g;
210: $result =~ s/&\#125;/\\}/g;
211: $result =~ s/&\#126;/\~/g;
212: $result =~ s/&\#131;/\\textflorin /g;
213: $result =~ s/&\#132;/\"/g;
214: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
215: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
216: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
217: $result =~ s/&\#137;/\\textperthousand /g;
218: $result =~ s/&\#140;/{\\OE}/g;
219: $result =~ s/&\#147;/\`\`/g;
220: $result =~ s/&\#148;/\'\'/g;
221: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
222: $result =~ s/&\#150;/--/g;
223: $result =~ s/&\#151;/---/g;
224: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
225: $result =~ s/&\#153;/\\texttrademark /g;
226: $result =~ s/&\#156;/\\oe/g;
227: $result =~ s/&\#159;/\\\"Y/g;
228: $result =~ s/&(\#160|nbsp);/~/g;
229: $result =~ s/&(\#161|iexcl);/!\`/g;
230: $result =~ s/&(\#162|cent);/\\textcent /g;
231: $result =~ s/&(\#163|pound);/\\pounds /g;
232: $result =~ s/&(\#164|curren);/\\textcurrency /g;
233: $result =~ s/&(\#165|yen);/\\textyen /g;
234: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
235: $result =~ s/&(\#167|sect);/\\textsection /g;
236: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
237: $result =~ s/&(\#169|copy);/\\copyright /g;
238: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
239: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
240: $result =~ s/&(\#173|shy);/ - /g;
241: $result =~ s/&(\#174|reg);/\\textregistered /g;
242: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
243: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
244: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
245: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
246: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
247: $result =~ s/&(\#180|acute);/\\textacute /g;
248: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
249: $result =~ s/&(\#182|para);/\\P/g;
250: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
251: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
252: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
253: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
254: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
255: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
256: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
257: $result =~ s/&(\#191|iquest);/?\`/g;
258: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
259: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
260: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
261: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
262: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
263: $result =~ s/&(\#197|Aring);/{\\AA}/g;
264: $result =~ s/&(\#198|AElig);/{\\AE}/g;
265: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
266: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
267: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
268: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
269: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
270: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
271: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
272: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
273: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
274: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
275: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
276: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
277: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
278: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
279: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
280: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
281: $result =~ s/&(\#216|Oslash);/{\\O}/g;
282: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
283: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
284: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
285: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
286: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
287: $result =~ s/&(\#223|szlig);/{\\ss}/g;
288: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
289: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
290: $result =~ s/&(\#226|acirc);/\\^{a}/g;
291: $result =~ s/&(\#227|atilde);/\\~{a}/g;
292: $result =~ s/&(\#228|auml);/\\\"{a}/g;
293: $result =~ s/&(\#229|aring);/{\\aa}/g;
294: $result =~ s/&(\#230|aelig);/{\\ae}/g;
295: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
296: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
297: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
298: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
299: $result =~ s/&(\#235|euml);/\\\"{e}/g;
300: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
301: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
302: $result =~ s/&(\#238|icirc);/\\^{i}/g;
303: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
304: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
305: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
306: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
307: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
308: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
309: $result =~ s/&(\#245|otilde);/\\~{o}/g;
310: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
311: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
312: $result =~ s/&(\#248|oslash);/{\\o}/g;
313: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
314: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
315: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
316: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
317: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
318: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
319: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
320: #Greek Alphabet
321: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
322: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
323: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
324: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
325: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
326: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
327: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
328: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
329: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
330: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
331: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
332: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
333: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
334: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
335: $result =~ s/&(omicron|\#959);/o/g;
336: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
337: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
338: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
339: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
340: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
341: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
342: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
343: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
344: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
345: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
346: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
347: $result =~ s/&(Alpha|\#913);/A/g;
348: $result =~ s/&(Beta|\#914);/B/g;
349: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
350: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
351: $result =~ s/&(Epsilon|\#917);/E/g;
352: $result =~ s/&(Zeta|\#918);/Z/g;
353: $result =~ s/&(Eta|\#919);/H/g;
354: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
355: $result =~ s/&(Iota|\#921);/I/g;
356: $result =~ s/&(Kappa|\#922);/K/g;
357: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
358: $result =~ s/&(Mu|\#924);/M/g;
359: $result =~ s/&(Nu|\#925);/N/g;
360: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
361: $result =~ s/&(Omicron|\#927);/O/g;
362: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
363: $result =~ s/&(Rho|\#929);/P/g;
364: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
365: $result =~ s/&(Tau|\#932);/T/g;
366: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
367: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
368: $result =~ s/&(Chi|\#935);/X/g;
369: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
370: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
371: #Arrows (extended HTML 4.01)
372: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
373: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
374: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
375: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
376: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
377: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
378: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
379: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
380: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
381: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
382: #Mathematical Operators (extended HTML 4.01)
383: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
384: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
385: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
386: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
387: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
388: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
389: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
390: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
391: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
392: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
393: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
394: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
395: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
396: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
397: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
398: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
399: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
400: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
401: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
402: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
403: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
404: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
405: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
406: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
407: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
408: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
409: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
410: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
411: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
412: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
413: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
414: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
415: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
416: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
417: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
418: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
419: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
420: #Geometric Shapes (extended HTML 4.01)
421: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
422: #Miscellaneous Symbols (extended HTML 4.01)
423: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
424: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
425: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
426: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
427: return $result;
428: }
429:
430:
431: #width, height, oddsidemargin, evensidemargin, topmargin
432: my %page_formats=
433: ('letter' => {
434: 'book' => {
435: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
436: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
437: },
438: 'album' => {
439: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'],
440: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
441: },
442: },
443: 'legal' => {
444: 'book' => {
445: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
446: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
447: },
448: 'album' => {
449: '1' => [],
450: '2' => []
451: },
452: },
453: 'tabloid' => {
454: 'book' => {
455: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
456: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
457: },
458: 'album' => {
459: '1' => [],
460: '2' => []
461: },
462: },
463: 'executive' => {
464: 'book' => {
465: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
466: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
467: },
468: 'album' => {
469: '1' => [],
470: '2' => []
471: },
472: },
473: 'a2' => {
474: 'book' => {
475: '1' => [],
476: '2' => []
477: },
478: 'album' => {
479: '1' => [],
480: '2' => []
481: },
482: },
483: 'a3' => {
484: 'book' => {
485: '1' => [],
486: '2' => []
487: },
488: 'album' => {
489: '1' => [],
490: '2' => []
491: },
492: },
493: 'a4' => {
494: 'book' => {
495: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
496: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
497: },
498: 'album' => {
499: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
500: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
501: },
502: },
503: 'a5' => {
504: 'book' => {
505: '1' => [],
506: '2' => []
507: },
508: 'album' => {
509: '1' => [],
510: '2' => []
511: },
512: },
513: 'a6' => {
514: 'book' => {
515: '1' => [],
516: '2' => []
517: },
518: 'album' => {
519: '1' => [],
520: '2' => []
521: },
522: },
523: );
524:
525: sub page_format {
526: #
527: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
528: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
529: # "A2 [420x594 mm]", "A3 [297x420 mm]",
530: # "A4 [210x297 mm]", "A5 [148x210 mm]",
531: # "A6 [105x148 mm]"
532: #
533: my ($papersize,$layout,$numberofcolumns) = @_;
534: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
535: }
536:
537:
538: sub get_name {
539: my ($uname,$udom)=@_;
540: if (!defined($uname)) { $uname=$ENV{'user.name'}; }
541: if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
542: my $plainname=&Apache::loncommon::plainname($uname,$udom);
543: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
544: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
545: return $plainname;
546: }
547:
548: sub get_course {
549: my $courseidinfo;
550: if (defined($ENV{'request.course.id'})) {
551: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
552: }
553: return $courseidinfo;
554: }
555:
556: sub page_format_transformation {
557: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
558: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
559: if ($selectionmade eq '4') {
560: $assignment='Problems from the Whole Course';
561: } else {
562: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
563: }
564: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
565: my $name = &get_name();
566: my $courseidinfo = &get_course();
567: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
568: my $topmargintoinsert = '';
569: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
570: my $fancypagestatement='';
571: if ($numberofcolumns eq '2') {
572: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
573: } else {
574: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
575: }
576: if ($layout eq 'album') {
577: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
578: } elsif ($layout eq 'book') {
579: if ($choice ne 'All class print') {
580: $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/;
581: } else {
582: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
583: }
584: if ($papersize eq 'a4') {
585: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
586: }
587: }
588: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
589: if ($indexlist eq 'yes') {
590: $text=~s/(\\begin{document})/\\makeindex $1/;
591: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
592: }
593: return $text;
594: }
595:
596:
597: sub page_cleanup {
598: my $result = shift;
599:
600: $result =~ m/\\end{document}(\d*)$/;
601: my $number_of_columns = $1;
602: my $insert = '{';
603: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
604: $insert .= '}';
605: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
606: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
607: return $result,$number_of_columns;
608: }
609:
610:
611: sub details_for_menu {
612: my ($helper)=@_;
613: my $postdata=$ENV{'form.postdata'};
614: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
615: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
616: my $symbolic = &Apache::lonnet::symbread($postdata);
617: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
618: $map=&Apache::lonnet::clutter($map);
619: my $name_of_sequence = &Apache::lonnet::gettitle($map);
620: if ($name_of_sequence =~ /^\s*$/) {
621: $map =~ m|([^/]+)$|;
622: $name_of_sequence = $1;
623: }
624: my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'});
625: if ($name_of_map =~ /^\s*$/) {
626: $ENV{'request.course.uri'} =~ m|([^/]+)$|;
627: $name_of_map = $1;
628: }
629: return ($name_of_resource,$name_of_sequence,$name_of_map);
630: }
631:
632:
633: sub latex_corrections {
634:
635: my ($number_of_columns,$result,$selectionmade) = @_;
636:
637: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
638: $result =~ s/\$number_of_columns/$number_of_columns/g;
639: if ($selectionmade ne '1') {
640: $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/;
641: } else {
642: $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/;
643: }
644: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
645: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
646: #-- LaTeX corrections
647: my $first_comment = index($result,'<!--',0);
648: while ($first_comment != -1) {
649: my $end_comment = index($result,'-->',$first_comment);
650: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
651: $first_comment = index($result,'<!--',$first_comment);
652: }
653: $result =~ s/^\s+$//gm; #remove empty lines
654: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
655: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
656: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
657: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
658: $result =~ s/\\\\\s+\[/ \[/g;
659: #conversion of html characters to LaTeX equivalents
660: if ($result =~ m/&(\w+|#\d+);/) {
661: $result = &character_chart($result);
662: }
663: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
664: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
665:
666: return $result;
667: }
668:
669:
670: sub index_table {
671: my $currentURL = shift;
672: my $insex_string='';
673: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
674: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
675: return $insex_string;
676: }
677:
678:
679: sub IndexCreation {
680: my ($texversion,$currentURL)=@_;
681: my @key_words=split(/,/,&index_table($currentURL));
682: my $chunk='';
683: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
684: if ($st>0) {
685: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
686: $chunk=substr($texversion,0,$st+1);
687: substr($texversion,0,$st+1)=' ';
688: }
689: foreach my $key_word (@key_words) {
690: if ($key_word=~/\S+/) {
691: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
692: }
693: }
694: if ($st>0) {substr($texversion,0,1)=$chunk;}
695: return $texversion;
696: }
697:
698: sub print_latex_header {
699: my $mode=shift;
700: my $output='\documentclass[letterpaper]{article}';
701: if ($mode eq 'batchmode') {
702: $output.='\batchmode';
703: }
704: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
705: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
706: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
707: '\usepackage{picins}\usepackage{calc}'."\n".
708: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
709: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
710: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
711: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
712: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
713: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
714: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
715: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
716: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
717: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
718: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
719: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
720: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
721: return $output;
722: }
723:
724: sub path_to_problem {
725: my ($urlp,$colwidth)=@_;
726: my $newurlp = '';
727: $colwidth=~s/\s*mm\s*$//;
728: #characters average about 2 mm in width
729: if (length($urlp)*2 > $LaTeXwidth) {
730: my @elements = split '/',$urlp;
731: my $curlength=0;
732: foreach my $element (@elements) {
733: if ($curlength+(length($element)*2) > $colwidth) {
734: $newurlp .= '|\vskip -1 mm \noindent \verb|';
735: $curlength=0;
736: } else {
737: $curlength+=length($element)*2;
738: }
739: $newurlp.='/'.$element;
740: }
741: } else {
742: $newurlp=$urlp;
743: }
744: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
745: }
746:
747: sub recalcto_mm {
748: my $textwidth=shift;
749: my $LaTeXwidth;
750: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
751: $LaTeXwidth = $1*10;
752: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
753: $LaTeXwidth = $1;
754: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
755: $LaTeXwidth = $1*25.4;
756: }
757: $LaTeXwidth.=' mm';
758: return $LaTeXwidth;
759: }
760:
761: sub get_textwidth {
762: my ($helper,$LaTeXwidth)=@_;
763: my $textwidth=$LaTeXwidth;
764: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
765: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
766: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
767: $helper->{'VARS'}->{'pagesize.widthunit'});
768: }
769: return $textwidth;
770: }
771:
772:
773: sub unsupported {
774: my ($currentURL,$mode)=@_;
775: if ($mode ne '') {$mode='\\'.$mode}
776: my $result.= &print_latex_header($mode);
777: if ($currentURL=~/\/ext\//) {
778: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
779: } else {
780: $result.=$currentURL;
781: }
782: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
783: return $result;
784: }
785:
786:
787: sub output_data {
788: my ($r,$helper,$rparmhash) = @_;
789: my %parmhash = %$rparmhash;
790: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
791: $r->print(<<ENDPART);
792: <html>
793: <script type="text/javascript" language="Javascript" >
794: var editbrowser;
795: function openbrowser(formname,elementname,only,omit) {
796: var url = '/res/?';
797: if (editbrowser == null) {
798: url += 'launch=1&';
799: }
800: url += 'catalogmode=interactive&';
801: url += 'mode=parmset&';
802: url += 'form=' + formname + '&';
803: if (only != null) {
804: url += 'only=' + only + '&';
805: }
806: if (omit != null) {
807: url += 'omit=' + omit + '&';
808: }
809: url += 'element=' + elementname + '';
810: var title = 'Browser';
811: var options = 'scrollbars=1,resizable=1,menubar=0';
812: options += ',width=700,height=600';
813: editbrowser = open(url,title,options,'1');
814: editbrowser.focus();
815: }
816: </script>
817: <head>
818: <title>LON-CAPA output for printing</title>
819: </head>
820: $bodytag
821: Please stand by while processing your print request, this may take some time ...
822: ENDPART
823:
824: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
825: my ($result,$selectionmade) = ('','');
826: my $number_of_columns = 1; #used only for pages to determine the width of the cell
827: my @temporary_array=split /\|/,$format_from_helper;
828: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
829: if ($laystyle eq 'L') {
830: $laystyle='album';
831: } else {
832: $laystyle='book';
833: }
834: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
835: my $assignment = $ENV{'form.assignment'};
836: my $LaTeXwidth=&recalcto_mm($textwidth);
837: my @print_array=();
838: my @student_names=();
839:
840: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
841: #-- single document - problem, page, html, xml, ...
842: my ($currentURL,$cleanURL);
843: if ($helper->{'VARS'}->{'construction'} ne '1') {
844: #prints published resource
845: $currentURL=$helper->{'VARS'}->{'postdata'};
846: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
847: } else {
848: #prints resource from the construction space
849: $currentURL='/'.$helper->{'VARS'}->{'filename'};
850: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
851: $cleanURL=$currentURL;
852: }
853: $selectionmade = 1;
854: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
855: my $rndseed=time;
856: my $texversion='';
857: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
858: my %moreenv;
859: $moreenv{'request.filename'}=$cleanURL;
860: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
861: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
862: my $dom = $ENV{'user.domain'};
863: my $user = $ENV{'user.name'};
864: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
865: }
866: my %form;
867: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
868: $form{'grade_target'}='tex';
869: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
870: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
871: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
872: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
873: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
874: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
875: if ($helper->{'VARS'}->{'curseed'}) {
876: $rndseed=$helper->{'VARS'}->{'curseed'};
877: }
878: $form{'rndseed'}=$rndseed;
879: &Apache::lonnet::appenv(%moreenv);
880: &Apache::lonnet::delenv('form.counter');
881: &Apache::lonxml::init_counter();
882: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
883: &Apache::lonnet::delenv('form.counter');
884: &Apache::lonnet::delenv('request.filename');
885: }
886: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
887: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
888: my %form;
889: $form{'grade_target'}='answer';
890: $form{'answer_output_mode'}='tex';
891: $form{'rndseed'}=$rndseed;
892: my $answer=&Apache::lonnet::ssi($currentURL,%form);
893: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
894: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
895: } else {
896: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
897: if ($helper->{'VARS'}->{'construction'} ne '1') {
898: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
899: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
900: } else {
901: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
902: my $URLpath=$cleanURL;
903: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
904: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
905: }
906: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
907: }
908: }
909: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
910: $texversion=&IndexCreation($texversion,$currentURL);
911: }
912: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
913: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
914:
915: }
916: $result .= $texversion;
917: if ($currentURL=~m/\.page\s*$/) {
918: ($result,$number_of_columns) = &page_cleanup($result);
919: }
920: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
921: #printing content of sequence from the construction space
922: my $flag_latex_header_remove = 'NO';
923: my $rndseed=time;
924: if ($helper->{'VARS'}->{'curseed'}) {
925: $rndseed=$helper->{'VARS'}->{'curseed'};
926: }
927: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
928: my $errtext=&Apache::lonratedt::mapread($currentURL);
929: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
930: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
931: my $urlp=$2;
932: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
933: my $texversion='';
934: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
935: my %form;
936: $form{'grade_target'}='tex';
937: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
938: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
939: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
940: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
941: $form{'rndseed'}=$rndseed;
942: $texversion=&Apache::lonnet::ssi($urlp,%form);
943: }
944: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
945: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
946: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
947: my %form;
948: $form{'grade_target'}='answer';
949: $form{'answer_output_mode'}='tex';
950: $form{'rndseed'}=$rndseed;
951: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
952: my $answer=&Apache::lonnet::ssi($urlp,%form);
953: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
954: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
955: } else {
956: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
957: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
958: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
959: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
960: }
961: }
962: if ($flag_latex_header_remove ne 'NO') {
963: $texversion = &latex_header_footer_remove($texversion);
964: } else {
965: $texversion =~ s/\\end{document}//;
966: }
967: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
968: $texversion=&IndexCreation($texversion,$urlp);
969: }
970: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
971: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
972: }
973: $result.=$texversion;
974: $flag_latex_header_remove = 'YES';
975: } elsif ($urlp=~/\.(sequence|page)$/) {
976: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
977: }
978: }
979: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
980: $result .= '\end{document}';
981: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
982: my %form;
983: $form{'grade_target'}='tex';
984: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
985: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
986: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
987: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
988: $result .= $texversion;
989: } else {
990: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
991: }
992: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
993: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
994: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
995: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
996: #-- produce an output string
997: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
998: $selectionmade = 2;
999: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1000: $selectionmade = 3;
1001: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1002: $selectionmade = 4;
1003: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1004: $selectionmade = 7;
1005: }
1006: my %form=();
1007: $form{'grade_target'}='tex';
1008: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
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: my $flag_latex_header_remove = 'NO';
1015: my $flag_page_in_sequence = 'NO';
1016: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1017: my %page_breaks;
1018: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1019: $page_breaks{$break} = 1;
1020: }
1021: my $prevassignment='';
1022: &Apache::lonnet::delenv('form.counter');
1023: &Apache::lonxml::init_counter();
1024: for (my $i=0;$i<=$#master_seq;$i++) {
1025:
1026: # Note due to document structure, not allowed to put \newpage
1027: # prior to the first resource
1028:
1029: if (defined $page_breaks{$master_seq[$i]}) {
1030: if($i != 0) {
1031: $result.="\\newpage\n";
1032: }
1033: }
1034: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1035: $urlp=&Apache::lonnet::clutter($urlp);
1036: $form{'symb'}=$master_seq[$i];
1037: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
1038: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1039: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1040: if ($i==0) {$prevassignment=$assignment;}
1041: my $texversion='';
1042: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1043: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1044: if ($urlp=~/\.page$/) {
1045: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1046: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1047: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1048: $flag_page_in_sequence = 'YES';
1049: }
1050: my $lonidsdir=$r->dir_config('lonIDsDir');
1051: my $envfile=$ENV{'user.environment'};
1052: $envfile=~/\/([^\/]+)\.id$/;
1053: $envfile=$1;
1054: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1055: my $current_counter=$ENV{'form.counter'};
1056: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1057: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1058: my %form;
1059: $form{'grade_target'}='answer';
1060: $form{'answer_output_mode'}='tex';
1061: my $answer=&Apache::lonnet::ssi($urlp,%form);
1062: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1063: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1064: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1065: } else {
1066: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1067: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1068: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
1069: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1070: $texversion.='\vskip 1 mm '.$answer;
1071: } else {
1072: $texversion='';
1073: }
1074: }
1075: }
1076: if ($flag_latex_header_remove ne 'NO') {
1077: $texversion = &latex_header_footer_remove($texversion);
1078: } else {
1079: $texversion =~ s/\\end{document}//;
1080: }
1081: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1082: $texversion=&IndexCreation($texversion,$urlp);
1083: }
1084: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1085: my $name = &get_name();
1086: my $courseidinfo = &get_course();
1087: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1088: $prevassignment=$assignment;
1089: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1090: }
1091: $result .= $texversion;
1092: $flag_latex_header_remove = 'YES';
1093: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1094: my %form;
1095: $form{'grade_target'}='tex';
1096: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1097: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1098: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1099: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1100: if ($flag_latex_header_remove ne 'NO') {
1101: $texversion = &latex_header_footer_remove($texversion);
1102: } else {
1103: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1104: }
1105: $result .= $texversion;
1106: $flag_latex_header_remove = 'YES';
1107: } else {
1108: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1109: if ($flag_latex_header_remove ne 'NO') {
1110: $texversion = &latex_header_footer_remove($texversion);
1111: } else {
1112: $texversion =~ s/\\end{document}//;
1113: }
1114: $result .= $texversion;
1115: $flag_latex_header_remove = 'YES';
1116: }
1117: if (&Apache::loncommon::connection_aborted($r)) { last; }
1118: }
1119: &Apache::lonnet::delenv('form.counter');
1120: if ($flag_page_in_sequence eq 'YES') {
1121: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1122: }
1123: $result .= '\end{document}';
1124: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1125: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1126: #-- prints assignments for whole class or for selected students
1127: my $type;
1128: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1129: $selectionmade=5;
1130: $type='problems';
1131: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1132: $selectionmade=8;
1133: $type='resources';
1134: }
1135: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1136: # The normal sort order is by section then by students within the
1137: # section. If the helper var student_sort is 1, then the user has elected
1138: # to override this and output the students by name.
1139: # Each element of the students array is of the form:
1140: # username:domain:section:last, first:status
1141: #
1142: #
1143: if ($helper->{'VARS'}->{'student_sort'} eq 1) {
1144: @students = sort compare_names @students;
1145: }
1146: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1147: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1148: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1149: }
1150: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1151:
1152: #loop over students
1153: my $flag_latex_header_remove = 'NO';
1154: my %moreenv;
1155: $moreenv{'instructor_comments'}='hide';
1156: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1157: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1158: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1159: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1160: my $student_counter=-1;
1161: foreach my $person (@students) {
1162:
1163: my $duefile="/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
1164: if (-e $duefile) {
1165: my $temp_file = Apache::File->new('>>'.$duefile);
1166: print $temp_file "1969\n";
1167: }
1168: $student_counter++;
1169: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1170: my ($output,$fullname)=&print_resources($r,$helper,$person,$type,\%moreenv,\@master_seq,$flag_latex_header_remove);
1171: $print_array[$i].=$output;
1172: $student_names[$i].=$person.':'.$fullname.'_END_';
1173: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1174: $flag_latex_header_remove = 'YES';
1175: if (&Apache::loncommon::connection_aborted($r)) { last; }
1176: }
1177: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1178: $result .= $print_array[0].' \end{document}';
1179: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1180: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1181: my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1182: my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1183: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1184: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1185: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1186: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1187: my $seed=time+($$<<16)+($$);
1188: my @allcodes;
1189: if ($old_name) {
1190: my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
1191: @allcodes=split(',',$result{$old_name});
1192: $num_todo=scalar(@allcodes);
1193: } else {
1194: my %allcodes;
1195: srand($seed);
1196: for (my $i=0;$i<$num_todo;$i++) {
1197: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
1198: }
1199: if ($code_name) {
1200: &Apache::lonnet::put('CODEs',
1201: {$code_name =>join(',',keys(%allcodes))},
1202: $cdom,$cnum);
1203: }
1204: @allcodes=keys(%allcodes);
1205: }
1206: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1207: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1208: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1209: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1210: $number_per_page=$num_todo;
1211: }
1212: my $flag_latex_header_remove = 'NO';
1213: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1214: my $count=0;
1215: foreach my $code (sort(@allcodes)) {
1216: my $file_num=int($count/$number_per_page);
1217: $moreenv{'CODE'}=&num_to_letters($code);
1218: my ($output,$fullname)=
1219: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1220: \@master_seq,$flag_latex_header_remove);
1221: $print_array[$file_num].=$output;
1222: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1223: &mt('last assignment').' '.$fullname);
1224: $flag_latex_header_remove = 'YES';
1225: $count++;
1226: if (&Apache::loncommon::connection_aborted($r)) { last; }
1227: }
1228: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1229: $result .= $print_array[0].' \end{document}';
1230: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1231: #prints selected problems from the subdirectory
1232: $selectionmade = 6;
1233: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1234: @list_of_files=sort @list_of_files;
1235: my $flag_latex_header_remove = 'NO';
1236: my $rndseed=time;
1237: if ($helper->{'VARS'}->{'curseed'}) {
1238: $rndseed=$helper->{'VARS'}->{'curseed'};
1239: }
1240: for (my $i=0;$i<=$#list_of_files;$i++) {
1241: my $urlp = $list_of_files[$i];
1242: $urlp=~s|//|/|;
1243: if ($urlp=~/\//) {
1244: my %form;
1245: $form{'grade_target'}='tex';
1246: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1247: $form{'rndseed'}=$rndseed;
1248: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1249: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1250: } else {
1251: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1252: }
1253: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1254: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1255: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1256: my %form;
1257: $form{'grade_target'}='answer';
1258: $form{'answer_output_mode'}='tex';
1259: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1260: $form{'rndseed'}=$rndseed;
1261: my $answer=&Apache::lonnet::ssi($urlp,%form);
1262: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1263: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1264: } else {
1265: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1266: if ($helper->{'VARS'}->{'construction'} ne '1') {
1267: $texversion.='\vskip 0 mm \noindent ';
1268: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1269: } else {
1270: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1271: my $URLpath=$urlp;
1272: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1273: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1274: }
1275: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1276: }
1277: }
1278: #this chunck is responsible for printing the path to problem
1279: my $newurlp=$urlp;
1280: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1281: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1282: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1283: if ($flag_latex_header_remove ne 'NO') {
1284: $texversion = &latex_header_footer_remove($texversion);
1285: } else {
1286: $texversion =~ s/\\end{document}//;
1287: }
1288: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1289: $texversion=&IndexCreation($texversion,$urlp);
1290: }
1291: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1292: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1293:
1294: }
1295: $result .= $texversion;
1296: }
1297: $flag_latex_header_remove = 'YES';
1298: }
1299: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1300: $result .= '\end{document}';
1301: }
1302: #-------------------------------------------------------- corrections for the different page formats
1303: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1304: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1305: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1306: #changes page's parameters for the one column output
1307: if ($numberofcolumns == 1) {
1308: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1309: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1310: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1311: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1312: }
1313: #-- writing .tex file in prtspool
1314: my $temp_file;
1315: my $identifier = &Apache::loncommon::get_cgi_id();
1316: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
1317: if (!($#print_array>0)) {
1318: unless ($temp_file = Apache::File->new('>'.$filename)) {
1319: $r->log_error("Couldn't open $filename for output $!");
1320: return SERVER_ERROR;
1321: }
1322: print $temp_file $result;
1323: my $begin=index($result,'\begin{document}',0);
1324: my $inc=substr($result,0,$begin+16);
1325: } else {
1326: my $begin=index($result,'\begin{document}',0);
1327: my $inc=substr($result,0,$begin+16);
1328: for (my $i=0;$i<=$#print_array;$i++) {
1329: if ($i==0) {
1330: $print_array[$i]=$result;
1331: } else {
1332: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1333: substr($print_array[$i],0,$anobegin)='';
1334: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1335: }
1336: my $temp_file;
1337: my $newfilename=$filename;
1338: my $num=$i+1;
1339: $newfilename =~s/\.tex$/_$num\.tex/;
1340: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1341: $r->log_error("Couldn't open $newfilename for output $!");
1342: return SERVER_ERROR;
1343: }
1344: print $temp_file $print_array[$i];
1345: }
1346: }
1347: my $student_names='';
1348: if ($#print_array>0) {
1349: for (my $i=0;$i<=$#print_array;$i++) {
1350: $student_names.=$student_names[$i].'_ENDPERSON_';
1351: }
1352: } else {
1353: if ($#student_names>-1) {
1354: $student_names=$student_names[0].'_ENDPERSON_';
1355: } else {
1356: my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
1357: $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
1358: $ENV{'request.course.sec'},$fullname).
1359: '_ENDPERSON_'.'_END_';
1360: }
1361: }
1362:
1363: my $URLback=''; #link to original document
1364: if ($helper->{'VARS'}->{'construction'} ne '1') {
1365: #prints published resource
1366: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1367: } else {
1368: #prints resource from the construction space
1369: $URLback='/'.$helper->{'VARS'}->{'filename'};
1370: if ($URLback=~/([^?]+)/) {
1371: $URLback=$1;
1372: $URLback=~s|^/~|/priv/|;
1373: }
1374: }
1375:
1376: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1377: 'cgi.'.$identifier.'.layout' => $laystyle,
1378: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1379: 'cgi.'.$identifier.'.paper' => $papersize,
1380: 'cgi.'.$identifier.'.selection' => $selectionmade,
1381: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1382: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1383: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1384: 'cgi.'.$identifier.'numberoffiles' => $#print_array,
1385: 'cgi.'.$identifier.'studentnames' => $student_names,
1386: 'cgi.'.$identifier.'backref' => $URLback,);
1387:
1388: $r->print(<<FINALEND);
1389: <br />
1390: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1391: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1392: </body>
1393: </html>
1394: FINALEND
1395: }
1396:
1397: sub num_to_letters {
1398: my ($num) = @_;
1399: my @nums= split('',$num);
1400: my @num_to_let=('A'..'Z');
1401: my $word;
1402: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1403: return $word;
1404: }
1405:
1406: sub get_CODE {
1407: my ($all_codes,$num,$seed,$size)=@_;
1408: my $max='1'.'0'x$size;
1409: my $newcode;
1410: while(1) {
1411: $newcode=sprintf("%06d",int(rand($max)));
1412: if (!exists($$all_codes{$newcode})) {
1413: $$all_codes{$newcode}=1;
1414: return &num_to_letters($newcode);
1415: }
1416: }
1417: }
1418:
1419: sub print_resources {
1420: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header)=@_;
1421: my $current_output = '';
1422: my ($username,$userdomain,$usersection) = split /:/,$person;
1423: my $fullname = &get_name($username,$userdomain);
1424: my $namepostfix;
1425: if ($person =~ 'anon') {
1426: $namepostfix="\\\\Name: ";
1427: $fullname = "CODE - ".$moreenv->{'CODE'};
1428: }
1429: my %page_breaks;
1430: foreach my $break (split /\|\|\|/,$helper->{'VARS'}->{'FINISHPAGE'}) {
1431: $page_breaks{$break} = 1;
1432: }
1433: my $i = 0;
1434: #goes through all resources, checks if they are available for
1435: #current student, and produces output
1436: &Apache::lonnet::delenv('form.counter');
1437: &Apache::lonxml::init_counter();
1438: foreach my $curresline (@{$master_seq}) {
1439: if (defined $page_breaks{$curresline}) {
1440: if($i != 0) {
1441: $current_output.= "\\newpage\n";
1442: }
1443: }
1444: $i++;
1445: if ( !($type eq 'problems' &&
1446: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1447: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1448: if (&Apache::lonnet::allowed('bre',$res_url)) {
1449: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1450: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1451: my $lonidsdir=$r->dir_config('lonIDsDir');
1452: my $envfile=$ENV{'user.environment'};
1453: $envfile=~/\/([^\/]+)\.id$/;
1454: $envfile=$1;
1455: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1456: my $current_counter=$ENV{'form.counter'};
1457: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1458: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1459: $moreenv->{'answer_output_mode'}='tex';
1460: $moreenv->{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1461: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%{$moreenv});
1462: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1463: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1464: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1465: } else {
1466: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1467: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1468: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1469: $rendered.='\vskip 1 mm '.$ansrendered;
1470: }
1471: }
1472: if ($remove_latex_header eq 'YES') {
1473: $rendered = &latex_header_footer_remove($rendered);
1474: } else {
1475: $rendered =~ s/\\end{document}//;
1476: }
1477: $current_output .= $rendered;
1478: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1479: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1480: my $lonidsdir=$r->dir_config('lonIDsDir');
1481: my $envfile=$ENV{'user.environment'};
1482: $envfile=~/\/([^\/]+)\.id$/;
1483: $envfile=$1;
1484: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1485: my $current_counter=$ENV{'form.counter'};
1486: if ($remove_latex_header eq 'YES') {
1487: $rendered = &latex_header_footer_remove($rendered);
1488: } else {
1489: $rendered =~ s/\\end{document}//;
1490: }
1491: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1492: } else {
1493: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1494: if ($remove_latex_header ne 'NO') {
1495: $rendered = &latex_header_footer_remove($rendered);
1496: } else {
1497: $rendered =~ s/\\end{document}//;
1498: }
1499: $current_output .= $rendered;
1500: }
1501: }
1502: $remove_latex_header = 'YES';
1503: }
1504: if (&Apache::loncommon::connection_aborted($r)) { last; }
1505: }
1506: my $courseidinfo = &get_course();
1507: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1508: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1509: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1510: if ($current_output=~/\\documentclass/) {
1511: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1512: } else {
1513: my $blankpages = '';
1514: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1515: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1516: }
1517: return ($current_output,$fullname);
1518:
1519: }
1520:
1521: sub handler {
1522:
1523: my $r = shift;
1524: my $helper;
1525:
1526: # my $loaderror=&Apache::lonnet::overloaderror($r);
1527: # if ($loaderror) { return $loaderror; }
1528: # $loaderror=
1529: # &Apache::lonnet::overloaderror($r,
1530: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
1531: # if ($loaderror) { return $loaderror; }
1532:
1533: my $result = printHelper($r);
1534: if (!ref($result)) {
1535: return $result;
1536: }
1537: $helper = $result;
1538:
1539: # my $key;
1540: # foreach $key (keys %{$helper->{'VARS'}}) {
1541: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1542: # }
1543: # foreach $key (keys %ENV) {
1544: # $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
1545: # }
1546: # return OK;
1547:
1548: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1549:
1550: # my $key;
1551: # foreach $key (keys %parmhash) {
1552: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1553: # }
1554: # return OK;
1555:
1556:
1557:
1558:
1559: &output_data($r,$helper,\%parmhash);
1560: return OK;
1561: }
1562:
1563: use Apache::lonhelper;
1564:
1565: sub addMessage {
1566: my $text = shift;
1567: my $paramHash = Apache::lonhelper::getParamHash();
1568: $paramHash->{MESSAGE_TEXT} = $text;
1569: Apache::lonhelper::message->new();
1570: }
1571:
1572: use Data::Dumper;
1573:
1574: sub printHelper {
1575: my $r = shift;
1576:
1577: if ($r->header_only) {
1578: if ($ENV{'browser.mathml'}) {
1579: &Apache::loncommon::content_type($r,'text/xml');
1580: } else {
1581: &Apache::loncommon::content_type($r,'text/html');
1582: }
1583: $r->send_http_header;
1584: return OK;
1585: }
1586:
1587: # Send header, nocache
1588: if ($ENV{'browser.mathml'}) {
1589: &Apache::loncommon::content_type($r,'text/xml');
1590: } else {
1591: &Apache::loncommon::content_type($r,'text/html');
1592: }
1593: &Apache::loncommon::no_cache($r);
1594: $r->send_http_header;
1595: $r->rflush();
1596:
1597: # Unfortunately, this helper is so complicated we have to
1598: # write it by hand
1599:
1600: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1601:
1602: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1603: $helper->declareVar('symb');
1604: $helper->declareVar('postdata');
1605: $helper->declareVar('curseed');
1606: $helper->declareVar('probstatus');
1607: $helper->declareVar('filename');
1608: $helper->declareVar('construction');
1609: $helper->declareVar('assignment');
1610: $helper->declareVar('style_file');
1611: $helper->declareVar('student_sort');
1612:
1613: # This will persistently load in the data we want from the
1614: # very first screen.
1615: # Detect whether we're coming from construction space
1616: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1617: $helper->{VARS}->{'filename'} = "~$1/$2";
1618: $helper->{VARS}->{'construction'} = 1;
1619: } else {
1620: if ($ENV{'form.postdata'}) {
1621: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
1622: }
1623: if ($ENV{'form.symb'}) {
1624: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1625: }
1626: if ($ENV{'form.url'}) {
1627: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1628: }
1629: }
1630:
1631: if ($ENV{'form.symb'}) {
1632: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1633: }
1634: if ($ENV{'form.url'}) {
1635: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1636:
1637: }
1638: $helper->{VARS}->{'symb'}=
1639: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1640: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1641: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1642:
1643:
1644: # Extract map
1645: my $symb = $helper->{VARS}->{'symb'};
1646: my ($map, $id, $url);
1647: my $subdir;
1648:
1649: # Get the resource name from construction space
1650: if ($helper->{VARS}->{'construction'}) {
1651: $resourceTitle = substr($helper->{VARS}->{'filename'},
1652: rindex($helper->{VARS}->{'filename'}, '/')+1);
1653: $subdir = substr($helper->{VARS}->{'filename'},
1654: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1655: } else {
1656: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1657: $helper->{VARS}->{'postdata'} =
1658: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1659:
1660: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1661: my $postdata = $helper->{VARS}->{'postdata'};
1662: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1663: }
1664: $subdir = &Apache::lonnet::filelocation("", $url);
1665: }
1666: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
1667: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
1668: }
1669: if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) {
1670: $helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'};
1671: }
1672:
1673: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1674: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
1675: $ENV{'request.role'}=~m/^in\./ or
1676: $ENV{'request.role'}=~m/^ta\./);
1677:
1678: Apache::lonhelper::registerHelperTags();
1679:
1680: # "Delete everything after the last slash."
1681: $subdir =~ s|/[^/]+$||;
1682: if (not $helper->{VARS}->{'construction'}) {
1683: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1684: }
1685: # "Remove all duplicate slashes."
1686: $subdir =~ s|/+|/|g;
1687:
1688: # What can be printed is a very dynamic decision based on
1689: # lots of factors. So we need to dynamically build this list.
1690: # To prevent security leaks, states are only added to the wizard
1691: # if they can be reached, which ensures manipulating the form input
1692: # won't allow anyone to reach states they shouldn't have permission
1693: # to reach.
1694:
1695: # printChoices is tracking the kind of printing the user can
1696: # do, and will be used in a choices construction later.
1697: # In the meantime we will be adding states and elements to
1698: # the helper by hand.
1699: my $printChoices = [];
1700: my $paramHash;
1701:
1702: if ($resourceTitle) {
1703: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1704: }
1705:
1706: # Useful filter strings
1707: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1708: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1709: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
1710: my $isNotMap = '!$res->is_sequence()';
1711: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1712: my $isMap = '$res->is_map()';
1713: my $symbFilter = '$res->shown_symb()';
1714: my $urlValue = '$res->link()';
1715:
1716: $helper->declareVar('SEQUENCE');
1717:
1718: # Useful for debugging: Dump the help vars
1719: #$r->print(Dumper($helper->{VARS}));
1720: #$r->print($map);
1721:
1722: # If we're in a sequence...
1723: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1724:
1725: $helper->{VARS}->{'postdata'} &&
1726: $helper->{VARS}->{'assignment'}) {
1727: # Allow problems from sequence
1728: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1729: # Allow all resources from sequence
1730: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1731:
1732: my $helperFragment = <<HELPERFRAGMENT;
1733: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1734: <message>(mark them then click "next" button) <br /></message>
1735: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1736: closeallpages="1">
1737: <nextstate>PAGESIZE</nextstate>
1738: <filterfunc>return $isProblem;</filterfunc>
1739: <mapurl>$map</mapurl>
1740: <valuefunc>return $symbFilter;</valuefunc>
1741: <option text='Newpage' variable='FINISHPAGE' />
1742: </resource>
1743: </state>
1744:
1745: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1746: <message>(mark them then click "next" button) <br /></message>
1747: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1748: closeallpages="1">
1749: <nextstate>PAGESIZE</nextstate>
1750: <filterfunc>return $isNotMap;</filterfunc>
1751: <mapurl>$map</mapurl>
1752: <valuefunc>return $symbFilter;</valuefunc>
1753: <option text='Newpage' variable='FINISHPAGE' />
1754: </resource>
1755: </state>
1756: HELPERFRAGMENT
1757:
1758: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1759: }
1760:
1761: # If the user is priviledged, allow them to print all
1762: # problems in the course, optionally for selected students
1763: if ($userPriviledged &&
1764: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
1765:
1766: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1767: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1768: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1769: <message>(mark them then click "next" button) <br /></message>
1770: <resource variable="RESOURCES" toponly='0' multichoice="1"
1771: suppressEmptySequences='0' addstatus="1" closeallpages="1">
1772: <nextstate>PAGESIZE</nextstate>
1773: <filterfunc>return $isProblemOrMap;</filterfunc>
1774: <choicefunc>return $isNotMap;</choicefunc>
1775: <valuefunc>return $symbFilter;</valuefunc>
1776: <option text='Newpage' variable='FINISHPAGE' />
1777: </resource>
1778: </state>
1779: ALL_PROBLEMS
1780:
1781: if ($helper->{VARS}->{'assignment'}) {
1782: 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'];
1783: 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'];
1784: }
1785: my $resource_selector=<<RESOURCE_SELECTOR;
1786: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1787: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1788: closeallpages="1">
1789: <filterfunc>return $isProblem;</filterfunc>
1790: <mapurl>$map</mapurl>
1791: <valuefunc>return $symbFilter;</valuefunc>
1792: <option text='New Page' variable='FINISHPAGE' />
1793: </resource>
1794: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1795: <choices variable="EMPTY_PAGES">
1796: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1797: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1798: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1799: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1800: </choices>
1801: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1802: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1803: RESOURCE_SELECTOR
1804:
1805: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1806: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1807: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1808: <choices variable='student_sort'>
1809: <choice computer='0'>Sort by section then student</choice>
1810: <choice computer='1'>Sort by students across sections.</choice>
1811: </choices>
1812: $resource_selector
1813: </state>
1814: CHOOSE_STUDENTS
1815:
1816: my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1817: my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1818: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
1819: my $namechoice='<choice></choice>';
1820: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1821: if ($name =~ /^error: 2 /) { next; }
1822: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
1823: }
1824: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
1825: <state name="CHOOSE_ANON1" title="Select Students and Resources">
1826: <nextstate>PAGESIZE</nextstate>
1827: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1828: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1829: <message><br /><b>Names to store the CODEs under for later:</b></message>
1830: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1831: <message><hr width='33%' /></message>
1832: <message><b>Reprint a set of saved CODEs:</b></message>
1833: <dropdown variable="REUSE_OLD_CODES">
1834: $namechoice
1835: </dropdown>
1836: <message><hr width='33%' /></message>
1837: $resource_selector
1838: </state>
1839: CHOOSE_ANON1
1840:
1841:
1842: if ($helper->{VARS}->{'assignment'}) {
1843: 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'];
1844: 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'];
1845: }
1846:
1847:
1848: $resource_selector=<<RESOURCE_SELECTOR;
1849: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1850: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1851: closeallpages="1">
1852: <filterfunc>return $isNotMap;</filterfunc>
1853: <mapurl>$map</mapurl>
1854: <valuefunc>return $symbFilter;</valuefunc>
1855: <option text='Newpage' variable='FINISHPAGE' />
1856: </resource>
1857: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1858: <choices variable="EMPTY_PAGES">
1859: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1860: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1861: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1862: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1863: </choices>
1864: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1865: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1866: RESOURCE_SELECTOR
1867:
1868: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
1869: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1870: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1871: <choices variable='student_sort'>
1872: <choice computer='0'>Sort by section then student</choice>
1873: <choice computer='1'>Sort by students across sections.</choice>
1874: </choices>
1875:
1876: $resource_selector
1877: </state>
1878: CHOOSE_STUDENTS1
1879:
1880: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1881: <state name="CHOOSE_ANON2" title="Select Students and Resources">
1882: <nextstate>PAGESIZE</nextstate>
1883: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1884: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1885: <message><br /><b>Names to store the CODEs under for later:</b></message>
1886: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1887: <message><hr width='33%' /></message>
1888: <message><b>Reprint a set of saved CODEs:</b></message>
1889: <dropdown variable="REUSE_OLD_CODES">
1890: $namechoice
1891: </dropdown>
1892: <message><hr width='33%' /></message>
1893: $resource_selector
1894: </state>
1895: CHOOSE_ANON2
1896: }
1897:
1898: # FIXME: That RE should come from a library somewhere.
1899: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
1900: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1901:
1902: my $f = '$filename';
1903: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1904: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1905: <message>(mark them then click "next" button) <br /></message>
1906: <files variable="FILES" multichoice='1'>
1907: <nextstate>PAGESIZE</nextstate>
1908: <filechoice>return '$subdir';</filechoice>
1909: CHOOSE_FROM_SUBDIR
1910:
1911: # this is broken up because I really want interpolation above,
1912: # and I really DON'T want it below
1913: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1914: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1915: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1916: </filefilter>
1917: </files>
1918: </state>
1919: CHOOSE_FROM_SUBDIR
1920: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1921: }
1922:
1923: # Allow the user to select any sequence in the course, feed it to
1924: # another resource selector for that sequence
1925: if (!$helper->{VARS}->{'construction'}) {
1926: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1927: 'select_sequences', 'CHOOSE_SEQUENCE'];
1928: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
1929: #Escape apostrophes and backslashes for Perl
1930: $escapedSequenceName =~ s/\\/\\\\/g;
1931: $escapedSequenceName =~ s/'/\\'/g;
1932: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1933: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
1934: <message>Select the sequence to print resources from:</message>
1935: <resource variable="SEQUENCE">
1936: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1937: <filterfunc>return \$res->is_sequence;</filterfunc>
1938: <valuefunc>return $urlValue;</valuefunc>
1939: <option text='Newpage' variable='FINISHPAGE' />
1940: </resource>
1941: </state>
1942: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
1943: <message>(mark desired resources then click "next" button) <br /></message>
1944: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1945: closeallpages="1">
1946: <nextstate>PAGESIZE</nextstate>
1947: <filterfunc>return $isProblem</filterfunc>
1948: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1949: <valuefunc>return $symbFilter;</valuefunc>
1950: <option text='Newpage' variable='FINISHPAGE' />
1951: </resource>
1952: </state>
1953: CHOOSE_FROM_ANY_SEQUENCE
1954: }
1955:
1956: # Generate the first state, to select which resources get printed.
1957: Apache::lonhelper::state->new("START", "Select Printing Options:");
1958: $paramHash = Apache::lonhelper::getParamHash();
1959: $paramHash->{MESSAGE_TEXT} = "";
1960: Apache::lonhelper::message->new();
1961: $paramHash = Apache::lonhelper::getParamHash();
1962: $paramHash->{'variable'} = 'PRINT_TYPE';
1963: $helper->declareVar('PRINT_TYPE');
1964: $paramHash->{CHOICES} = $printChoices;
1965: Apache::lonhelper::choices->new();
1966:
1967: my $startedTable = 0; # have we started an HTML table yet? (need
1968: # to close it later)
1969:
1970: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1971: ($helper->{VARS}->{'construction'} eq '1')) {
1972: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1973: $paramHash = Apache::lonhelper::getParamHash();
1974: $paramHash->{'variable'} = 'ANSWER_TYPE';
1975: $helper->declareVar('ANSWER_TYPE');
1976: $paramHash->{CHOICES} = [
1977: ['Without Answers', 'yes'],
1978: ['With Answers', 'no'],
1979: ['Only Answers', 'only'],
1980: ['As Exam Problem', 'exam']
1981: ];
1982: Apache::lonhelper::dropdown->new();
1983: addMessage("</td></tr>");
1984: $startedTable = 1;
1985: }
1986:
1987: if ($ENV{'request.role.adv'}) {
1988: if (!$startedTable) {
1989: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
1990: $startedTable = 1;
1991: } else {
1992: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
1993: }
1994: $paramHash = Apache::lonhelper::getParamHash();
1995: $paramHash->{'variable'} = 'LATEX_TYPE';
1996: $helper->declareVar('LATEX_TYPE');
1997: if ($helper->{VARS}->{'construction'} eq '1') {
1998: $paramHash->{CHOICES} = [
1999: ['standard LaTeX mode', 'standard'],
2000: ['LaTeX batchmode', 'batchmode'], ];
2001: } else {
2002: $paramHash->{CHOICES} = [
2003: ['LaTeX batchmode', 'batchmode'],
2004: ['standard LaTeX mode', 'standard'] ];
2005: }
2006: Apache::lonhelper::dropdown->new();
2007:
2008: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2009: $paramHash = Apache::lonhelper::getParamHash();
2010: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2011: $helper->declareVar('TABLE_CONTENTS');
2012: $paramHash->{CHOICES} = [
2013: ['No', 'no'],
2014: ['Yes', 'yes'] ];
2015: Apache::lonhelper::dropdown->new();
2016: addMessage("</td></tr>");
2017:
2018: if (not $helper->{VARS}->{'construction'}) {
2019: addMessage("<tr><td align='right'>Print Index: </td><td>");
2020: $paramHash = Apache::lonhelper::getParamHash();
2021: $paramHash->{'variable'} = 'TABLE_INDEX';
2022: $helper->declareVar('TABLE_INDEX');
2023: $paramHash->{CHOICES} = [
2024: ['No', 'no'],
2025: ['Yes', 'yes'] ];
2026: Apache::lonhelper::dropdown->new();
2027: addMessage("</td></tr>");
2028: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2029: $paramHash = Apache::lonhelper::getParamHash();
2030: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2031: $helper->declareVar('PRINT_DISCUSSIONS');
2032: $paramHash->{CHOICES} = [
2033: ['No', 'no'],
2034: ['Yes', 'yes'] ];
2035: Apache::lonhelper::dropdown->new();
2036: addMessage("</td></tr>");
2037: }
2038:
2039: if ($helper->{'VARS'}->{'construction'}) {
2040: my $stylevalue=$ENV{'construct.style'};
2041: my $xmlfrag .= <<"RNDSEED";
2042: <message><tr><td align='right'>Use random seed: </td><td></message>
2043: <string variable="curseed" size="15" maxlength="15">
2044: <defaultvalue>
2045: return $helper->{VARS}->{'curseed'};
2046: </defaultvalue>
2047: </string>
2048: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2049: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
2050: <message></td></tr></message>
2051: RNDSEED
2052: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2053: $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
2054: }
2055: }
2056:
2057:
2058:
2059:
2060: if ($startedTable) {
2061: addMessage("</table>");
2062: }
2063:
2064: Apache::lonprintout::page_format_state->new("FORMAT");
2065:
2066: # Generate the PAGESIZE state which will offer the user the margin
2067: # choices if they select one column
2068: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2069: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2070:
2071:
2072: $helper->process();
2073:
2074: # MANUAL BAILOUT CONDITION:
2075: # If we're in the "final" state, bailout and return to handler
2076: if ($helper->{STATE} eq 'FINAL') {
2077: return $helper;
2078: }
2079:
2080: $r->print($helper->display());
2081:
2082: &Apache::lonhelper::unregisterHelperTags();
2083:
2084: return OK;
2085: }
2086:
2087:
2088: 1;
2089:
2090: package Apache::lonprintout::page_format_state;
2091:
2092: =pod
2093:
2094: =head1 Helper element: page_format_state
2095:
2096: See lonhelper.pm documentation for discussion of the helper framework.
2097:
2098: Apache::lonprintout::page_format_state is an element that gives the
2099: user an opportunity to select the page layout they wish to print
2100: with: Number of columns, portrait/landscape, and paper size. If you
2101: want to change the paper size choices, change the @paperSize array
2102: contents in this package.
2103:
2104: page_format_state is always directly invoked in lonprintout.pm, so there
2105: is no tag interface. You actually pass parameters to the constructor.
2106:
2107: =over 4
2108:
2109: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2110:
2111: =back
2112:
2113: =cut
2114:
2115: use Apache::lonhelper;
2116:
2117: no strict;
2118: @ISA = ("Apache::lonhelper::element");
2119: use strict;
2120: use Apache::lonlocal;
2121:
2122: my $maxColumns = 2;
2123: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2124: "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2125: "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2126: "a5 [148x210 mm]", "a6 [105x148 mm]" );
2127:
2128: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2129: # Paper type
2130:
2131: sub new {
2132: my $self = Apache::lonhelper::element->new();
2133:
2134: shift;
2135:
2136: $self->{'variable'} = shift;
2137: my $helper = Apache::lonhelper::getHelper();
2138: $helper->declareVar($self->{'variable'});
2139: bless($self);
2140: return $self;
2141: }
2142:
2143: sub render {
2144: my $self = shift;
2145: my $helper = Apache::lonhelper::getHelper();
2146: my $result = '';
2147: my $var = $self->{'variable'};
2148: my $PageLayout=&mt('Page layout');
2149: my $NumberOfColumns=&mt('Number of columns');
2150: my $PaperType=&mt('Paper type');
2151: $result .= <<STATEHTML;
2152:
2153: <hr width="33%" />
2154: <table cellpadding="3">
2155: <tr>
2156: <td align="center"><b>$PageLayout</b></td>
2157: <td align="center"><b>$NumberOfColumns</b></td>
2158: <td align="center"><b>$PaperType</b></td>
2159: </tr>
2160: <tr>
2161: <td>
2162: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
2163: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
2164: </td>
2165: <td align="center">
2166: <select name="${var}.cols">
2167: STATEHTML
2168:
2169: my $i;
2170: for ($i = 1; $i <= $maxColumns; $i++) {
2171: if ($i == 2) {
2172: $result .= "<option value='$i' selected>$i</option>\n";
2173: } else {
2174: $result .= "<option value='$i'>$i</option>\n";
2175: }
2176: }
2177:
2178: $result .= "</select></td><td>\n";
2179: $result .= "<select name='${var}.paper'>\n";
2180:
2181: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
2182: my $DefaultPaperSize=$parmhash{'default_paper_size'};
2183: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2184: $i = 0;
2185: foreach (@paperSize) {
2186: $_=~/(\w+)/;
2187: my $papersize=$1;
2188: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2189: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2190: } else {
2191: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2192: }
2193: $i++;
2194: }
2195: $result .= "</select></td></tr></table>";
2196: return $result;
2197: }
2198:
2199: sub postprocess {
2200: my $self = shift;
2201:
2202: my $var = $self->{'variable'};
2203: my $helper = Apache::lonhelper->getHelper();
2204: $helper->{VARS}->{$var} =
2205: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
2206: $ENV{"form.$var.paper"};
2207: return 1;
2208: }
2209:
2210: 1;
2211:
2212: package Apache::lonprintout::page_size_state;
2213:
2214: =pod
2215:
2216: =head1 Helper element: page_size_state
2217:
2218: See lonhelper.pm documentation for discussion of the helper framework.
2219:
2220: Apache::lonprintout::page_size_state is an element that gives the
2221: user the opportunity to further refine the page settings if they
2222: select a single-column page.
2223:
2224: page_size_state is always directly invoked in lonprintout.pm, so there
2225: is no tag interface. You actually pass parameters to the constructor.
2226:
2227: =over 4
2228:
2229: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2230:
2231: =back
2232:
2233: =cut
2234:
2235: use Apache::lonhelper;
2236:
2237: no strict;
2238: @ISA = ("Apache::lonhelper::element");
2239: use strict;
2240:
2241:
2242:
2243: sub new {
2244: my $self = Apache::lonhelper::element->new();
2245:
2246: shift; # disturbs me (probably prevents subclassing) but works (drops
2247: # package descriptor)... - Jeremy
2248:
2249: $self->{'variable'} = shift;
2250: my $helper = Apache::lonhelper::getHelper();
2251: $helper->declareVar($self->{'variable'});
2252:
2253: # The variable name of the format element, so we can look into
2254: # $helper->{VARS} to figure out whether the columns are one or two
2255: $self->{'formatvar'} = shift;
2256:
2257: # The state to transition to after selection, or after discovering
2258: # the cols are not set to 1
2259: $self->{NEXTSTATE} = shift;
2260: bless($self);
2261: return $self;
2262: }
2263:
2264: sub render {
2265: my $self = shift;
2266: my $helper = Apache::lonhelper::getHelper();
2267: my $result = '';
2268: my $var = $self->{'variable'};
2269:
2270: if (defined $self->{ERROR_MSG}) {
2271: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2272: }
2273:
2274: $result .= <<ELEMENTHTML;
2275:
2276: <p>How should the column be formatted?</p>
2277:
2278: <table cellpadding='3'>
2279: <tr>
2280: <td align='right'><b>Width</b>:</td>
2281: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2282: <td align='left'>
2283: <select name='$var.widthunit'>
2284: <option>cm</option><option>in</option>
2285: </select>
2286: </td>
2287: </tr>
2288: <tr>
2289: <td align='right'><b>Height</b>:</td>
2290: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2291: <td align='left'>
2292: <select name='$var.heightunit'>
2293: <option>cm</option><option>in</option>
2294: </select>
2295: </td>
2296: </tr>
2297: <tr>
2298: <td align='right'><b>Left margin</b>:</td>
2299: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2300: <td align='left'>
2301: <select name='$var.lmarginunit'>
2302: <option>cm</option><option>in</option>
2303: </select>
2304: </td>
2305: </tr>
2306: </table>
2307:
2308: <p>Hint: Some instructors like to leave scratch space for the student by
2309: making the width much smaller than the width of the page.</p>
2310:
2311: ELEMENTHTML
2312:
2313: return $result;
2314: }
2315:
2316: # If the user didn't select 1 column, skip this state.
2317: sub preprocess {
2318: my $self = shift;
2319: my $helper = Apache::lonhelper::getHelper();
2320:
2321: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2322: if (substr($format, 2, 1) ne '1') {
2323: $helper->changeState($self->{NEXTSTATE});
2324: }
2325:
2326: return 1;
2327: }
2328:
2329: sub postprocess {
2330: my $self = shift;
2331:
2332: my $var = $self->{'variable'};
2333: my $helper = Apache::lonhelper->getHelper();
2334: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
2335: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
2336: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
2337: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
2338: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
2339: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
2340:
2341: my $error = '';
2342:
2343: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2344: # by an optional period, followed by digits, ending the string
2345:
2346: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2347: $error .= "Invalid width; please type only a number.<br />\n";
2348: }
2349: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2350: $error .= "Invalid height; please type only a number.<br />\n";
2351: }
2352: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2353: $error .= "Invalid left margin; please type only a number.<br />\n";
2354: }
2355:
2356: if (!$error) {
2357: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2358: return 1;
2359: } else {
2360: $self->{ERROR_MSG} = $error;
2361: return 0;
2362: }
2363: }
2364:
2365:
2366:
2367: __END__
2368:
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