1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.343.2.1 2005/01/04 14:00:28 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
29: package Apache::lonprintout;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonxml;
34: use Apache::lonnet;
35: use Apache::loncommon;
36: use Apache::inputtags;
37: use Apache::grades;
38: use Apache::edit;
39: use Apache::File();
40: use Apache::lonnavmaps;
41: use Apache::lonratedt;
42: use POSIX qw(strftime);
43: use Apache::lonlocal;
44:
45: my $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','10.0 in', '-0.57 in','-0.57 in','1 cm'],
436: '2' => ['3.66 in','10.0 in', '-0.57 in','-0.57 in','1 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}\usepackage{calc}'."\n".
707: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
708: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
709: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
710: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
711: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
712: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
713: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
714: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
715: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
716: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
717: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
718: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
719: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
720: return $output;
721: }
722:
723: sub path_to_problem {
724: my ($urlp,$colwidth)=@_;
725: my $newurlp = '';
726: $colwidth=~s/\s*mm\s*$//;
727: #characters average about 2 mm in width
728: if (length($urlp)*2 > $LaTeXwidth) {
729: my @elements = split '/',$urlp;
730: my $curlength=0;
731: foreach my $element (@elements) {
732: if ($curlength+(length($element)*2) > $colwidth) {
733: $newurlp .= '|\vskip -1 mm \noindent \verb|';
734: $curlength=0;
735: } else {
736: $curlength+=length($element)*2;
737: }
738: $newurlp.='/'.$element;
739: }
740: } else {
741: $newurlp=$urlp;
742: }
743: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
744: }
745:
746: sub recalcto_mm {
747: my $textwidth=shift;
748: my $LaTeXwidth;
749: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
750: $LaTeXwidth = $1*10;
751: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
752: $LaTeXwidth = $1;
753: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
754: $LaTeXwidth = $1*25.4;
755: }
756: $LaTeXwidth.=' mm';
757: return $LaTeXwidth;
758: }
759:
760: sub get_textwidth {
761: my ($helper,$LaTeXwidth)=@_;
762: my $textwidth=$LaTeXwidth;
763: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
764: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
765: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
766: $helper->{'VARS'}->{'pagesize.widthunit'});
767: }
768: return $textwidth;
769: }
770:
771:
772: sub unsupported {
773: my ($currentURL,$mode)=@_;
774: if ($mode ne '') {$mode='\\'.$mode}
775: my $result.= &print_latex_header($mode);
776: if ($currentURL=~/\/ext\//) {
777: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
778: } else {
779: $result.=$currentURL;
780: }
781: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
782: return $result;
783: }
784:
785:
786: sub output_data {
787: my ($r,$helper,$rparmhash) = @_;
788: my %parmhash = %$rparmhash;
789: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
790: $r->print(<<ENDPART);
791: <html>
792: <script type="text/javascript" language="Javascript" >
793: var editbrowser;
794: function openbrowser(formname,elementname,only,omit) {
795: var url = '/res/?';
796: if (editbrowser == null) {
797: url += 'launch=1&';
798: }
799: url += 'catalogmode=interactive&';
800: url += 'mode=parmset&';
801: url += 'form=' + formname + '&';
802: if (only != null) {
803: url += 'only=' + only + '&';
804: }
805: if (omit != null) {
806: url += 'omit=' + omit + '&';
807: }
808: url += 'element=' + elementname + '';
809: var title = 'Browser';
810: var options = 'scrollbars=1,resizable=1,menubar=0';
811: options += ',width=700,height=600';
812: editbrowser = open(url,title,options,'1');
813: editbrowser.focus();
814: }
815: </script>
816: <head>
817: <title>LON-CAPA output for printing</title>
818: </head>
819: $bodytag
820: Please stand by while processing your print request, this may take some time ...
821: ENDPART
822:
823: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
824: my ($result,$selectionmade) = ('','');
825: my $number_of_columns = 1; #used only for pages to determine the width of the cell
826: my @temporary_array=split /\|/,$format_from_helper;
827: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
828: if ($laystyle eq 'L') {
829: $laystyle='album';
830: } else {
831: $laystyle='book';
832: }
833: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
834: my $assignment = $ENV{'form.assignment'};
835: my $LaTeXwidth=&recalcto_mm($textwidth);
836: my @print_array=();
837: my @student_names=();
838:
839: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
840: #-- single document - problem, page, html, xml, ...
841: my ($currentURL,$cleanURL);
842: if ($helper->{'VARS'}->{'construction'} ne '1') {
843: #prints published resource
844: $currentURL=$helper->{'VARS'}->{'postdata'};
845: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
846: } else {
847: #prints resource from the construction space
848: $currentURL='/'.$helper->{'VARS'}->{'filename'};
849: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
850: $cleanURL=$currentURL;
851: }
852: $selectionmade = 1;
853: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
854: my $rndseed=time;
855: my $texversion='';
856: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
857: my %moreenv;
858: $moreenv{'request.filename'}=$cleanURL;
859: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
860: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
861: my $dom = $ENV{'user.domain'};
862: my $user = $ENV{'user.name'};
863: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
864: }
865: my %form;
866: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
867: $form{'grade_target'}='tex';
868: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
869: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
870: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
871: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
872: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
873: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
874: if ($helper->{'VARS'}->{'curseed'}) {
875: $rndseed=$helper->{'VARS'}->{'curseed'};
876: }
877: $form{'rndseed'}=$rndseed;
878: &Apache::lonnet::appenv(%moreenv);
879: &Apache::lonnet::delenv('form.counter');
880: &Apache::lonxml::init_counter();
881: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
882: &Apache::lonnet::delenv('form.counter');
883: &Apache::lonnet::delenv('request.filename');
884: }
885: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
886: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
887: my %form;
888: $form{'grade_target'}='answer';
889: $form{'answer_output_mode'}='tex';
890: $form{'rndseed'}=$rndseed;
891: my $answer=&Apache::lonnet::ssi($currentURL,%form);
892: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
893: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
894: } else {
895: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
896: if ($helper->{'VARS'}->{'construction'} ne '1') {
897: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
898: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
899: } else {
900: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
901: my $URLpath=$cleanURL;
902: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
903: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
904: }
905: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
906: }
907: }
908: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
909: $texversion=&IndexCreation($texversion,$currentURL);
910: }
911: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
912: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
913:
914: }
915: $result .= $texversion;
916: if ($currentURL=~m/\.page\s*$/) {
917: ($result,$number_of_columns) = &page_cleanup($result);
918: }
919: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
920: #printing content of sequence from the construction space
921: my $flag_latex_header_remove = 'NO';
922: my $rndseed=time;
923: if ($helper->{'VARS'}->{'curseed'}) {
924: $rndseed=$helper->{'VARS'}->{'curseed'};
925: }
926: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
927: my $errtext=&Apache::lonratedt::mapread($currentURL);
928: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
929: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
930: my $urlp=$2;
931: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
932: my $texversion='';
933: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
934: my %form;
935: $form{'grade_target'}='tex';
936: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
937: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
938: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
939: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
940: $form{'rndseed'}=$rndseed;
941: $texversion=&Apache::lonnet::ssi($urlp,%form);
942: }
943: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
944: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
945: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
946: my %form;
947: $form{'grade_target'}='answer';
948: $form{'answer_output_mode'}='tex';
949: $form{'rndseed'}=$rndseed;
950: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
951: my $answer=&Apache::lonnet::ssi($urlp,%form);
952: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
953: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
954: } else {
955: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
956: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
957: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
958: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
959: }
960: }
961: if ($flag_latex_header_remove ne 'NO') {
962: $texversion = &latex_header_footer_remove($texversion);
963: } else {
964: $texversion =~ s/\\end{document}//;
965: }
966: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
967: $texversion=&IndexCreation($texversion,$urlp);
968: }
969: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
970: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
971: }
972: $result.=$texversion;
973: $flag_latex_header_remove = 'YES';
974: } elsif ($urlp=~/\.(sequence|page)$/) {
975: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
976: }
977: }
978: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
979: $result .= '\end{document}';
980: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
981: my %form;
982: $form{'grade_target'}='tex';
983: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
984: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
985: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
986: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
987: $result .= $texversion;
988: } else {
989: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
990: }
991: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
992: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
993: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
994: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
995: #-- produce an output string
996: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
997: $selectionmade = 2;
998: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
999: $selectionmade = 3;
1000: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1001: $selectionmade = 4;
1002: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1003: $selectionmade = 7;
1004: }
1005: my %form=();
1006: $form{'grade_target'}='tex';
1007: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1008: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1009: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1010: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1011: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1012: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1013: my $flag_latex_header_remove = 'NO';
1014: my $flag_page_in_sequence = 'NO';
1015: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1016: my $prevassignment='';
1017: &Apache::lonnet::delenv('form.counter');
1018: &Apache::lonxml::init_counter();
1019: for (my $i=0;$i<=$#master_seq;$i++) {
1020: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1021: $urlp=&Apache::lonnet::clutter($urlp);
1022: $form{'symb'}=$master_seq[$i];
1023: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
1024: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1025: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1026: if ($i==0) {$prevassignment=$assignment;}
1027: my $texversion='';
1028: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1029: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1030: if ($urlp=~/\.page$/) {
1031: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1032: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1033: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1034: $flag_page_in_sequence = 'YES';
1035: }
1036: my $lonidsdir=$r->dir_config('lonIDsDir');
1037: my $envfile=$ENV{'user.environment'};
1038: $envfile=~/\/([^\/]+)\.id$/;
1039: $envfile=$1;
1040: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1041: my $current_counter=$ENV{'form.counter'};
1042: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1043: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1044: my %form;
1045: $form{'grade_target'}='answer';
1046: $form{'answer_output_mode'}='tex';
1047: my $answer=&Apache::lonnet::ssi($urlp,%form);
1048: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1049: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1050: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1051: } else {
1052: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1053: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1054: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
1055: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1056: $texversion.='\vskip 1 mm '.$answer;
1057: } else {
1058: $texversion='';
1059: }
1060: }
1061: }
1062: if ($flag_latex_header_remove ne 'NO') {
1063: $texversion = &latex_header_footer_remove($texversion);
1064: } else {
1065: $texversion =~ s/\\end{document}//;
1066: }
1067: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1068: $texversion=&IndexCreation($texversion,$urlp);
1069: }
1070: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1071: my $name = &get_name();
1072: my $courseidinfo = &get_course();
1073: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1074: $prevassignment=$assignment;
1075: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1076: }
1077: $result .= $texversion;
1078: $flag_latex_header_remove = 'YES';
1079: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1080: my %form;
1081: $form{'grade_target'}='tex';
1082: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1083: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1084: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1085: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1086: if ($flag_latex_header_remove ne 'NO') {
1087: $texversion = &latex_header_footer_remove($texversion);
1088: } else {
1089: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1090: }
1091: $result .= $texversion;
1092: $flag_latex_header_remove = 'YES';
1093: } else {
1094: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1095: if ($flag_latex_header_remove ne 'NO') {
1096: $texversion = &latex_header_footer_remove($texversion);
1097: } else {
1098: $texversion =~ s/\\end{document}//;
1099: }
1100: $result .= $texversion;
1101: $flag_latex_header_remove = 'YES';
1102: }
1103: if (&Apache::loncommon::connection_aborted($r)) { last; }
1104: }
1105: &Apache::lonnet::delenv('form.counter');
1106: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
1107: $result .= '\end{document}';
1108: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1109: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1110: #-- prints assignments for whole class or for selected students
1111: my $type;
1112: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1113: $selectionmade=5;
1114: $type='problems';
1115: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1116: $selectionmade=8;
1117: $type='resources';
1118: }
1119: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1120: # The normal sort order is by section then by students within the
1121: # section. If the helper var student_sort is 1, then the user has elected
1122: # to override this and output the students by name.
1123: # Each element of the students array is of the form:
1124: # username:domain:section:last, first:status
1125: #
1126: #
1127: if ($helper->{'VARS'}->{'student_sort'} eq 1) {
1128: @students = sort compare_names @students;
1129: }
1130: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1131: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1132: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1133: }
1134: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1135: #loop over students
1136: my $flag_latex_header_remove = 'NO';
1137: my %moreenv;
1138: $moreenv{'instructor_comments'}='hide';
1139: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1140: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1141: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1142: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1143: my $student_counter=-1;
1144: foreach my $person (@students) {
1145: my $duefile="/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
1146: if (-e $duefile) {
1147: my $temp_file = Apache::File->new('>>'.$duefile);
1148: print $temp_file "1969\n";
1149: }
1150: $student_counter++;
1151: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1152: my ($output,$fullname)=&print_resources($r,$helper,$person,$type,\%moreenv,\@master_seq,$flag_latex_header_remove);
1153: $print_array[$i].=$output;
1154: $student_names[$i].=$person.':'.$fullname.'_END_';
1155: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1156: $flag_latex_header_remove = 'YES';
1157: if (&Apache::loncommon::connection_aborted($r)) { last; }
1158: }
1159: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1160: $result .= $print_array[0].' \end{document}';
1161: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1162: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1163: my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1164: my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1165: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1166: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1167: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1168: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1169: my $seed=time+($$<<16)+($$);
1170: my @allcodes;
1171: if ($old_name) {
1172: my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
1173: @allcodes=split(',',$result{$old_name});
1174: $num_todo=scalar(@allcodes);
1175: } else {
1176: my %allcodes;
1177: srand($seed);
1178: for (my $i=0;$i<$num_todo;$i++) {
1179: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
1180: }
1181: if ($code_name) {
1182: &Apache::lonnet::put('CODEs',
1183: {$code_name =>join(',',keys(%allcodes))},
1184: $cdom,$cnum);
1185: }
1186: @allcodes=keys(%allcodes);
1187: }
1188: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1189: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1190: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1191: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1192: $number_per_page=$num_todo;
1193: }
1194: my $flag_latex_header_remove = 'NO';
1195: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1196: my $count=0;
1197: foreach my $code (sort(@allcodes)) {
1198: my $file_num=int($count/$number_per_page);
1199: $moreenv{'CODE'}=&num_to_letters($code);
1200: my ($output,$fullname)=
1201: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1202: \@master_seq,$flag_latex_header_remove);
1203: $print_array[$file_num].=$output;
1204: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1205: &mt('last assignment').' '.$fullname);
1206: $flag_latex_header_remove = 'YES';
1207: $count++;
1208: if (&Apache::loncommon::connection_aborted($r)) { last; }
1209: }
1210: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1211: $result .= $print_array[0].' \end{document}';
1212: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1213: #prints selected problems from the subdirectory
1214: $selectionmade = 6;
1215: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1216: @list_of_files=sort @list_of_files;
1217: my $flag_latex_header_remove = 'NO';
1218: my $rndseed=time;
1219: if ($helper->{'VARS'}->{'curseed'}) {
1220: $rndseed=$helper->{'VARS'}->{'curseed'};
1221: }
1222: for (my $i=0;$i<=$#list_of_files;$i++) {
1223: my $urlp = $list_of_files[$i];
1224: $urlp=~s|//|/|;
1225: if ($urlp=~/\//) {
1226: my %form;
1227: $form{'grade_target'}='tex';
1228: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1229: $form{'rndseed'}=$rndseed;
1230: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1231: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1232: } else {
1233: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1234: }
1235: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1236: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1237: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1238: my %form;
1239: $form{'grade_target'}='answer';
1240: $form{'answer_output_mode'}='tex';
1241: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1242: $form{'rndseed'}=$rndseed;
1243: my $answer=&Apache::lonnet::ssi($urlp,%form);
1244: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1245: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1246: } else {
1247: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1248: if ($helper->{'VARS'}->{'construction'} ne '1') {
1249: $texversion.='\vskip 0 mm \noindent ';
1250: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1251: } else {
1252: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1253: my $URLpath=$urlp;
1254: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1255: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1256: }
1257: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1258: }
1259: }
1260: #this chunck is responsible for printing the path to problem
1261: my $newurlp=$urlp;
1262: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1263: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1264: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1265: if ($flag_latex_header_remove ne 'NO') {
1266: $texversion = &latex_header_footer_remove($texversion);
1267: } else {
1268: $texversion =~ s/\\end{document}//;
1269: }
1270: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1271: $texversion=&IndexCreation($texversion,$urlp);
1272: }
1273: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1274: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1275:
1276: }
1277: $result .= $texversion;
1278: }
1279: $flag_latex_header_remove = 'YES';
1280: }
1281: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1282: $result .= '\end{document}';
1283: }
1284: #-------------------------------------------------------- corrections for the different page formats
1285: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1286: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1287: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1288: #changes page's parameters for the one column output
1289: if ($numberofcolumns == 1) {
1290: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1291: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1292: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1293: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1294: }
1295: #-- writing .tex file in prtspool
1296: my $temp_file;
1297: my $identifier = &Apache::loncommon::get_cgi_id();
1298: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
1299: if (!($#print_array>0)) {
1300: unless ($temp_file = Apache::File->new('>'.$filename)) {
1301: $r->log_error("Couldn't open $filename for output $!");
1302: return SERVER_ERROR;
1303: }
1304: print $temp_file $result;
1305: my $begin=index($result,'\begin{document}',0);
1306: my $inc=substr($result,0,$begin+16);
1307: } else {
1308: my $begin=index($result,'\begin{document}',0);
1309: my $inc=substr($result,0,$begin+16);
1310: for (my $i=0;$i<=$#print_array;$i++) {
1311: if ($i==0) {
1312: $print_array[$i]=$result;
1313: } else {
1314: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1315: substr($print_array[$i],0,$anobegin)='';
1316: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1317: }
1318: my $temp_file;
1319: my $newfilename=$filename;
1320: my $num=$i+1;
1321: $newfilename =~s/\.tex$/_$num\.tex/;
1322: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1323: $r->log_error("Couldn't open $newfilename for output $!");
1324: return SERVER_ERROR;
1325: }
1326: print $temp_file $print_array[$i];
1327: }
1328: }
1329: my $student_names='';
1330: if ($#print_array>0) {
1331: for (my $i=0;$i<=$#print_array;$i++) {
1332: $student_names.=$student_names[$i].'_ENDPERSON_';
1333: }
1334: } else {
1335: if ($#student_names>-1) {
1336: $student_names=$student_names[0].'_ENDPERSON_';
1337: } else {
1338: my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
1339: $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
1340: $ENV{'request.course.sec'},$fullname).
1341: '_ENDPERSON_'.'_END_';
1342: }
1343: }
1344:
1345: my $URLback=''; #link to original document
1346: if ($helper->{'VARS'}->{'construction'} ne '1') {
1347: #prints published resource
1348: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1349: } else {
1350: #prints resource from the construction space
1351: $URLback='/'.$helper->{'VARS'}->{'filename'};
1352: if ($URLback=~/([^?]+)/) {
1353: $URLback=$1;
1354: $URLback=~s|^/~|/priv/|;
1355: }
1356: }
1357:
1358: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1359: 'cgi.'.$identifier.'.layout' => $laystyle,
1360: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1361: 'cgi.'.$identifier.'.paper' => $papersize,
1362: 'cgi.'.$identifier.'.selection' => $selectionmade,
1363: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1364: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1365: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1366: 'cgi.'.$identifier.'numberoffiles' => $#print_array,
1367: 'cgi.'.$identifier.'studentnames' => $student_names,
1368: 'cgi.'.$identifier.'backref' => $URLback,);
1369:
1370: $r->print(<<FINALEND);
1371: <br />
1372: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1373: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1374: </body>
1375: </html>
1376: FINALEND
1377: }
1378:
1379: sub num_to_letters {
1380: my ($num) = @_;
1381: my @nums= split('',$num);
1382: my @num_to_let=('A'..'Z');
1383: my $word;
1384: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1385: return $word;
1386: }
1387:
1388: sub get_CODE {
1389: my ($all_codes,$num,$seed,$size)=@_;
1390: my $max='1'.'0'x$size;
1391: my $newcode;
1392: while(1) {
1393: $newcode=sprintf("%06d",int(rand($max)));
1394: if (!exists($$all_codes{$newcode})) {
1395: $$all_codes{$newcode}=1;
1396: return &num_to_letters($newcode);
1397: }
1398: }
1399: }
1400:
1401: sub print_resources {
1402: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header)=@_;
1403: my $current_output = '';
1404: my ($username,$userdomain,$usersection) = split /:/,$person;
1405: my $fullname = &get_name($username,$userdomain);
1406: my $namepostfix;
1407: if ($person =~ 'anon') {
1408: $namepostfix="\\\\Name: ";
1409: $fullname = "CODE - ".$moreenv->{'CODE'};
1410: }
1411: #goes through all resources, checks if they are available for
1412: #current student, and produces output
1413: &Apache::lonnet::delenv('form.counter');
1414: &Apache::lonxml::init_counter();
1415: foreach my $curresline (@{$master_seq}) {
1416: if ( !($type eq 'problems' &&
1417: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1418: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1419: if (&Apache::lonnet::allowed('bre',$res_url)) {
1420: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1421: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1422: my $lonidsdir=$r->dir_config('lonIDsDir');
1423: my $envfile=$ENV{'user.environment'};
1424: $envfile=~/\/([^\/]+)\.id$/;
1425: $envfile=$1;
1426: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1427: my $current_counter=$ENV{'form.counter'};
1428: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1429: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1430: $moreenv->{'answer_output_mode'}='tex';
1431: $moreenv->{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1432: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%{$moreenv});
1433: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1434: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1435: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1436: } else {
1437: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1438: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1439: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1440: $rendered.='\vskip 1 mm '.$ansrendered;
1441: }
1442: }
1443: if ($remove_latex_header eq 'YES') {
1444: $rendered = &latex_header_footer_remove($rendered);
1445: } else {
1446: $rendered =~ s/\\end{document}//;
1447: }
1448: $current_output .= $rendered;
1449: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
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 ($remove_latex_header eq 'YES') {
1458: $rendered = &latex_header_footer_remove($rendered);
1459: } else {
1460: $rendered =~ s/\\end{document}//;
1461: }
1462: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1463: } else {
1464: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1465: if ($remove_latex_header ne 'NO') {
1466: $rendered = &latex_header_footer_remove($rendered);
1467: } else {
1468: $rendered =~ s/\\end{document}//;
1469: }
1470: $current_output .= $rendered;
1471: }
1472: }
1473: $remove_latex_header = 'YES';
1474: }
1475: if (&Apache::loncommon::connection_aborted($r)) { last; }
1476: }
1477: my $courseidinfo = &get_course();
1478: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1479: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1480: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1481: if ($current_output=~/\\documentclass/) {
1482: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1483: } else {
1484: my $blankpages = '';
1485: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1486: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1487: }
1488: return ($current_output,$fullname);
1489:
1490: }
1491:
1492: sub handler {
1493:
1494: my $r = shift;
1495: my $helper;
1496:
1497: # my $loaderror=&Apache::lonnet::overloaderror($r);
1498: # if ($loaderror) { return $loaderror; }
1499: # $loaderror=
1500: # &Apache::lonnet::overloaderror($r,
1501: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
1502: # if ($loaderror) { return $loaderror; }
1503:
1504: my $result = printHelper($r);
1505: if (!ref($result)) {
1506: return $result;
1507: }
1508: $helper = $result;
1509:
1510: # my $key;
1511: # foreach $key (keys %{$helper->{'VARS'}}) {
1512: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1513: # }
1514: # foreach $key (keys %ENV) {
1515: # $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
1516: # }
1517: # return OK;
1518:
1519: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1520:
1521: # my $key;
1522: # foreach $key (keys %parmhash) {
1523: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1524: # }
1525: # return OK;
1526:
1527: &output_data($r,$helper,\%parmhash);
1528: return OK;
1529: }
1530:
1531: use Apache::lonhelper;
1532:
1533: sub addMessage {
1534: my $text = shift;
1535: my $paramHash = Apache::lonhelper::getParamHash();
1536: $paramHash->{MESSAGE_TEXT} = $text;
1537: Apache::lonhelper::message->new();
1538: }
1539:
1540: use Data::Dumper;
1541:
1542: sub printHelper {
1543: my $r = shift;
1544:
1545: if ($r->header_only) {
1546: if ($ENV{'browser.mathml'}) {
1547: &Apache::loncommon::content_type($r,'text/xml');
1548: } else {
1549: &Apache::loncommon::content_type($r,'text/html');
1550: }
1551: $r->send_http_header;
1552: return OK;
1553: }
1554:
1555: # Send header, nocache
1556: if ($ENV{'browser.mathml'}) {
1557: &Apache::loncommon::content_type($r,'text/xml');
1558: } else {
1559: &Apache::loncommon::content_type($r,'text/html');
1560: }
1561: &Apache::loncommon::no_cache($r);
1562: $r->send_http_header;
1563: $r->rflush();
1564:
1565: # Unfortunately, this helper is so complicated we have to
1566: # write it by hand
1567:
1568: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1569:
1570: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1571: $helper->declareVar('symb');
1572: $helper->declareVar('postdata');
1573: $helper->declareVar('curseed');
1574: $helper->declareVar('probstatus');
1575: $helper->declareVar('filename');
1576: $helper->declareVar('construction');
1577: $helper->declareVar('assignment');
1578: $helper->declareVar('style_file');
1579: $helper->declareVar('student_sort');
1580:
1581: # This will persistently load in the data we want from the
1582: # very first screen.
1583: # Detect whether we're coming from construction space
1584: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1585: $helper->{VARS}->{'filename'} = "~$1/$2";
1586: $helper->{VARS}->{'construction'} = 1;
1587: } else {
1588: if ($ENV{'form.postdata'}) {
1589: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
1590: }
1591: if ($ENV{'form.symb'}) {
1592: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1593: }
1594: if ($ENV{'form.url'}) {
1595: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1596: }
1597: }
1598:
1599: if ($ENV{'form.symb'}) {
1600: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1601: }
1602: if ($ENV{'form.url'}) {
1603: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1604:
1605: }
1606: $helper->{VARS}->{'symb'}=
1607: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1608: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1609: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1610:
1611:
1612: # Extract map
1613: my $symb = $helper->{VARS}->{'symb'};
1614: my ($map, $id, $url);
1615: my $subdir;
1616:
1617: # Get the resource name from construction space
1618: if ($helper->{VARS}->{'construction'}) {
1619: $resourceTitle = substr($helper->{VARS}->{'filename'},
1620: rindex($helper->{VARS}->{'filename'}, '/')+1);
1621: $subdir = substr($helper->{VARS}->{'filename'},
1622: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1623: } else {
1624: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1625: $helper->{VARS}->{'postdata'} =
1626: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1627:
1628: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1629: my $postdata = $helper->{VARS}->{'postdata'};
1630: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1631: }
1632: $subdir = &Apache::lonnet::filelocation("", $url);
1633: }
1634: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
1635: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
1636: }
1637: if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) {
1638: $helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'};
1639: }
1640:
1641: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1642: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
1643: $ENV{'request.role'}=~m/^in\./ or
1644: $ENV{'request.role'}=~m/^ta\./);
1645:
1646: Apache::lonhelper::registerHelperTags();
1647:
1648: # "Delete everything after the last slash."
1649: $subdir =~ s|/[^/]+$||;
1650: if (not $helper->{VARS}->{'construction'}) {
1651: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1652: }
1653: # "Remove all duplicate slashes."
1654: $subdir =~ s|/+|/|g;
1655:
1656: # What can be printed is a very dynamic decision based on
1657: # lots of factors. So we need to dynamically build this list.
1658: # To prevent security leaks, states are only added to the wizard
1659: # if they can be reached, which ensures manipulating the form input
1660: # won't allow anyone to reach states they shouldn't have permission
1661: # to reach.
1662:
1663: # printChoices is tracking the kind of printing the user can
1664: # do, and will be used in a choices construction later.
1665: # In the meantime we will be adding states and elements to
1666: # the helper by hand.
1667: my $printChoices = [];
1668: my $paramHash;
1669:
1670: if ($resourceTitle) {
1671: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1672: }
1673:
1674: # Useful filter strings
1675: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1676: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1677: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
1678: my $isNotMap = '!$res->is_sequence()';
1679: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1680: my $isMap = '$res->is_map()';
1681: my $symbFilter = '$res->shown_symb()';
1682: my $urlValue = '$res->link()';
1683:
1684: $helper->declareVar('SEQUENCE');
1685:
1686: # Useful for debugging: Dump the help vars
1687: #$r->print(Dumper($helper->{VARS}));
1688: #$r->print($map);
1689:
1690: # If we're in a sequence...
1691: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1692: $helper->{VARS}->{'postdata'} &&
1693: $helper->{VARS}->{'assignment'}) {
1694: # Allow problems from sequence
1695: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1696: # Allow all resources from sequence
1697: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1698:
1699: my $helperFragment = <<HELPERFRAGMENT;
1700: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1701: <message>(mark them then click "next" button) <br /></message>
1702: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1703: closeallpages="1">
1704: <nextstate>PAGESIZE</nextstate>
1705: <filterfunc>return $isProblem;</filterfunc>
1706: <mapurl>$map</mapurl>
1707: <valuefunc>return $symbFilter;</valuefunc>
1708: </resource>
1709: </state>
1710:
1711: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1712: <message>(mark them then click "next" button) <br /></message>
1713: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1714: closeallpages="1">
1715: <nextstate>PAGESIZE</nextstate>
1716: <filterfunc>return $isNotMap;</filterfunc>
1717: <mapurl>$map</mapurl>
1718: <valuefunc>return $symbFilter;</valuefunc>
1719: </resource>
1720: </state>
1721: HELPERFRAGMENT
1722:
1723: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1724: }
1725:
1726: # If the user is priviledged, allow them to print all
1727: # problems in the course, optionally for selected students
1728: if ($userPriviledged &&
1729: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
1730: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1731: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1732: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1733: <message>(mark them then click "next" button) <br /></message>
1734: <resource variable="RESOURCES" toponly='0' multichoice="1"
1735: suppressEmptySequences='0' addstatus="1" closeallpages="1">
1736: <nextstate>PAGESIZE</nextstate>
1737: <filterfunc>return $isProblemOrMap;</filterfunc>
1738: <choicefunc>return $isNotMap;</choicefunc>
1739: <valuefunc>return $symbFilter;</valuefunc>
1740: </resource>
1741: </state>
1742: ALL_PROBLEMS
1743:
1744: if ($helper->{VARS}->{'assignment'}) {
1745: 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'];
1746: 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'];
1747: }
1748: my $resource_selector=<<RESOURCE_SELECTOR;
1749: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1750: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1751: closeallpages="1">
1752: <filterfunc>return $isProblem;</filterfunc>
1753: <mapurl>$map</mapurl>
1754: <valuefunc>return $symbFilter;</valuefunc>
1755: </resource>
1756: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1757: <choices variable="EMPTY_PAGES">
1758: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1759: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1760: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1761: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1762: </choices>
1763: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1764: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1765: RESOURCE_SELECTOR
1766:
1767: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1768: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1769: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1770: <choices variable='student_sort'>
1771: <choice computer='0'>Sort by section then student</choice>
1772: <choice computer='1'>Sort by students across sections.</choice>
1773: </choices>
1774: $resource_selector
1775: </state>
1776: CHOOSE_STUDENTS
1777:
1778: my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1779: my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1780: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
1781: my $namechoice='<choice></choice>';
1782: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1783: if ($name =~ /^error: 2 /) { next; }
1784: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
1785: }
1786: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
1787: <state name="CHOOSE_ANON1" title="Select Students and Resources">
1788: <nextstate>PAGESIZE</nextstate>
1789: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1790: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1791: <message><br /><b>Names to store the CODEs under for later:</b></message>
1792: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1793: <message><hr width='33%' /></message>
1794: <message><b>Reprint a set of saved CODEs:</b></message>
1795: <dropdown variable="REUSE_OLD_CODES">
1796: $namechoice
1797: </dropdown>
1798: <message><hr width='33%' /></message>
1799: $resource_selector
1800: </state>
1801: CHOOSE_ANON1
1802:
1803:
1804: if ($helper->{VARS}->{'assignment'}) {
1805: 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'];
1806: 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'];
1807: }
1808:
1809:
1810: $resource_selector=<<RESOURCE_SELECTOR;
1811: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1812: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1813: closeallpages="1">
1814: <filterfunc>return $isNotMap;</filterfunc>
1815: <mapurl>$map</mapurl>
1816: <valuefunc>return $symbFilter;</valuefunc>
1817: </resource>
1818: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1819: <choices variable="EMPTY_PAGES">
1820: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1821: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1822: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1823: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1824: </choices>
1825: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1826: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1827: RESOURCE_SELECTOR
1828:
1829: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
1830: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1831: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1832: <choices variable='student_sort'>
1833: <choice computer='0'>Sort by section then student</choice>
1834: <choice computer='1'>Sort by students across sections.</choice>
1835: </choices>
1836:
1837: $resource_selector
1838: </state>
1839: CHOOSE_STUDENTS1
1840:
1841: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1842: <state name="CHOOSE_ANON2" title="Select Students and Resources">
1843: <nextstate>PAGESIZE</nextstate>
1844: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1845: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1846: <message><br /><b>Names to store the CODEs under for later:</b></message>
1847: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1848: <message><hr width='33%' /></message>
1849: <message><b>Reprint a set of saved CODEs:</b></message>
1850: <dropdown variable="REUSE_OLD_CODES">
1851: $namechoice
1852: </dropdown>
1853: <message><hr width='33%' /></message>
1854: $resource_selector
1855: </state>
1856: CHOOSE_ANON2
1857: }
1858:
1859: # FIXME: That RE should come from a library somewhere.
1860: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
1861: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1862:
1863: my $f = '$filename';
1864: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1865: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1866: <message>(mark them then click "next" button) <br /></message>
1867: <files variable="FILES" multichoice='1'>
1868: <nextstate>PAGESIZE</nextstate>
1869: <filechoice>return '$subdir';</filechoice>
1870: CHOOSE_FROM_SUBDIR
1871:
1872: # this is broken up because I really want interpolation above,
1873: # and I really DON'T want it below
1874: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1875: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1876: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1877: </filefilter>
1878: </files>
1879: </state>
1880: CHOOSE_FROM_SUBDIR
1881: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1882: }
1883:
1884: # Allow the user to select any sequence in the course, feed it to
1885: # another resource selector for that sequence
1886: if (!$helper->{VARS}->{'construction'}) {
1887: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1888: 'select_sequences', 'CHOOSE_SEQUENCE'];
1889: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
1890: #Escape apostrophes and backslashes for Perl
1891: $escapedSequenceName =~ s/\\/\\\\/g;
1892: $escapedSequenceName =~ s/'/\\'/g;
1893: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1894: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
1895: <message>Select the sequence to print resources from:</message>
1896: <resource variable="SEQUENCE">
1897: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1898: <filterfunc>return \$res->is_sequence;</filterfunc>
1899: <valuefunc>return $urlValue;</valuefunc>
1900: </resource>
1901: </state>
1902: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
1903: <message>(mark desired resources then click "next" button) <br /></message>
1904: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1905: closeallpages="1">
1906: <nextstate>PAGESIZE</nextstate>
1907: <filterfunc>return $isProblem</filterfunc>
1908: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1909: <valuefunc>return $symbFilter;</valuefunc>
1910: </resource>
1911: </state>
1912: CHOOSE_FROM_ANY_SEQUENCE
1913: }
1914:
1915: # Generate the first state, to select which resources get printed.
1916: Apache::lonhelper::state->new("START", "Select Printing Options:");
1917: $paramHash = Apache::lonhelper::getParamHash();
1918: $paramHash->{MESSAGE_TEXT} = "";
1919: Apache::lonhelper::message->new();
1920: $paramHash = Apache::lonhelper::getParamHash();
1921: $paramHash->{'variable'} = 'PRINT_TYPE';
1922: $helper->declareVar('PRINT_TYPE');
1923: $paramHash->{CHOICES} = $printChoices;
1924: Apache::lonhelper::choices->new();
1925:
1926: my $startedTable = 0; # have we started an HTML table yet? (need
1927: # to close it later)
1928:
1929: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1930: ($helper->{VARS}->{'construction'} eq '1')) {
1931: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1932: $paramHash = Apache::lonhelper::getParamHash();
1933: $paramHash->{'variable'} = 'ANSWER_TYPE';
1934: $helper->declareVar('ANSWER_TYPE');
1935: $paramHash->{CHOICES} = [
1936: ['Without Answers', 'yes'],
1937: ['With Answers', 'no'],
1938: ['Only Answers', 'only'],
1939: ['As Exam Problem', 'exam']
1940: ];
1941: Apache::lonhelper::dropdown->new();
1942: addMessage("</td></tr>");
1943: $startedTable = 1;
1944: }
1945:
1946: if ($ENV{'request.role.adv'}) {
1947: if (!$startedTable) {
1948: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
1949: $startedTable = 1;
1950: } else {
1951: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
1952: }
1953: $paramHash = Apache::lonhelper::getParamHash();
1954: $paramHash->{'variable'} = 'LATEX_TYPE';
1955: $helper->declareVar('LATEX_TYPE');
1956: if ($helper->{VARS}->{'construction'} eq '1') {
1957: $paramHash->{CHOICES} = [
1958: ['standard LaTeX mode', 'standard'],
1959: ['LaTeX batchmode', 'batchmode'], ];
1960: } else {
1961: $paramHash->{CHOICES} = [
1962: ['LaTeX batchmode', 'batchmode'],
1963: ['standard LaTeX mode', 'standard'] ];
1964: }
1965: Apache::lonhelper::dropdown->new();
1966:
1967: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1968: $paramHash = Apache::lonhelper::getParamHash();
1969: $paramHash->{'variable'} = 'TABLE_CONTENTS';
1970: $helper->declareVar('TABLE_CONTENTS');
1971: $paramHash->{CHOICES} = [
1972: ['No', 'no'],
1973: ['Yes', 'yes'] ];
1974: Apache::lonhelper::dropdown->new();
1975: addMessage("</td></tr>");
1976:
1977: if (not $helper->{VARS}->{'construction'}) {
1978: addMessage("<tr><td align='right'>Print Index: </td><td>");
1979: $paramHash = Apache::lonhelper::getParamHash();
1980: $paramHash->{'variable'} = 'TABLE_INDEX';
1981: $helper->declareVar('TABLE_INDEX');
1982: $paramHash->{CHOICES} = [
1983: ['No', 'no'],
1984: ['Yes', 'yes'] ];
1985: Apache::lonhelper::dropdown->new();
1986: addMessage("</td></tr>");
1987: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
1988: $paramHash = Apache::lonhelper::getParamHash();
1989: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
1990: $helper->declareVar('PRINT_DISCUSSIONS');
1991: $paramHash->{CHOICES} = [
1992: ['No', 'no'],
1993: ['Yes', 'yes'] ];
1994: Apache::lonhelper::dropdown->new();
1995: addMessage("</td></tr>");
1996: }
1997:
1998: if ($helper->{'VARS'}->{'construction'}) {
1999: my $stylevalue=$ENV{'construct.style'};
2000: my $xmlfrag .= <<"RNDSEED";
2001: <message><tr><td align='right'>Use random seed: </td><td></message>
2002: <string variable="curseed" size="15" maxlength="15">
2003: <defaultvalue>
2004: return $helper->{VARS}->{'curseed'};
2005: </defaultvalue>
2006: </string>
2007: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2008: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
2009: <message></td></tr></message>
2010: RNDSEED
2011: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2012: $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
2013: }
2014: }
2015:
2016:
2017:
2018:
2019: if ($startedTable) {
2020: addMessage("</table>");
2021: }
2022:
2023: Apache::lonprintout::page_format_state->new("FORMAT");
2024:
2025: # Generate the PAGESIZE state which will offer the user the margin
2026: # choices if they select one column
2027: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2028: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2029:
2030:
2031: $helper->process();
2032:
2033: # MANUAL BAILOUT CONDITION:
2034: # If we're in the "final" state, bailout and return to handler
2035: if ($helper->{STATE} eq 'FINAL') {
2036: return $helper;
2037: }
2038:
2039: $r->print($helper->display());
2040:
2041: &Apache::lonhelper::unregisterHelperTags();
2042:
2043: return OK;
2044: }
2045:
2046:
2047: 1;
2048:
2049: package Apache::lonprintout::page_format_state;
2050:
2051: =pod
2052:
2053: =head1 Helper element: page_format_state
2054:
2055: See lonhelper.pm documentation for discussion of the helper framework.
2056:
2057: Apache::lonprintout::page_format_state is an element that gives the
2058: user an opportunity to select the page layout they wish to print
2059: with: Number of columns, portrait/landscape, and paper size. If you
2060: want to change the paper size choices, change the @paperSize array
2061: contents in this package.
2062:
2063: page_format_state is always directly invoked in lonprintout.pm, so there
2064: is no tag interface. You actually pass parameters to the constructor.
2065:
2066: =over 4
2067:
2068: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2069:
2070: =back
2071:
2072: =cut
2073:
2074: use Apache::lonhelper;
2075:
2076: no strict;
2077: @ISA = ("Apache::lonhelper::element");
2078: use strict;
2079: use Apache::lonlocal;
2080:
2081: my $maxColumns = 2;
2082: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2083: "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2084: "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2085: "a5 [148x210 mm]", "a6 [105x148 mm]" );
2086:
2087: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2088: # Paper type
2089:
2090: sub new {
2091: my $self = Apache::lonhelper::element->new();
2092:
2093: shift;
2094:
2095: $self->{'variable'} = shift;
2096: my $helper = Apache::lonhelper::getHelper();
2097: $helper->declareVar($self->{'variable'});
2098: bless($self);
2099: return $self;
2100: }
2101:
2102: sub render {
2103: my $self = shift;
2104: my $helper = Apache::lonhelper::getHelper();
2105: my $result = '';
2106: my $var = $self->{'variable'};
2107: my $PageLayout=&mt('Page layout');
2108: my $NumberOfColumns=&mt('Number of columns');
2109: my $PaperType=&mt('Paper type');
2110: $result .= <<STATEHTML;
2111:
2112: <hr width="33%" />
2113: <table cellpadding="3">
2114: <tr>
2115: <td align="center"><b>$PageLayout</b></td>
2116: <td align="center"><b>$NumberOfColumns</b></td>
2117: <td align="center"><b>$PaperType</b></td>
2118: </tr>
2119: <tr>
2120: <td>
2121: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
2122: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
2123: </td>
2124: <td align="center">
2125: <select name="${var}.cols">
2126: STATEHTML
2127:
2128: my $i;
2129: for ($i = 1; $i <= $maxColumns; $i++) {
2130: if ($i == 2) {
2131: $result .= "<option value='$i' selected>$i</option>\n";
2132: } else {
2133: $result .= "<option value='$i'>$i</option>\n";
2134: }
2135: }
2136:
2137: $result .= "</select></td><td>\n";
2138: $result .= "<select name='${var}.paper'>\n";
2139:
2140: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
2141: my $DefaultPaperSize=$parmhash{'default_paper_size'};
2142: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2143: $i = 0;
2144: foreach (@paperSize) {
2145: $_=~/(\w+)/;
2146: my $papersize=$1;
2147: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2148: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2149: } else {
2150: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2151: }
2152: $i++;
2153: }
2154: $result .= "</select></td></tr></table>";
2155: return $result;
2156: }
2157:
2158: sub postprocess {
2159: my $self = shift;
2160:
2161: my $var = $self->{'variable'};
2162: my $helper = Apache::lonhelper->getHelper();
2163: $helper->{VARS}->{$var} =
2164: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
2165: $ENV{"form.$var.paper"};
2166: return 1;
2167: }
2168:
2169: 1;
2170:
2171: package Apache::lonprintout::page_size_state;
2172:
2173: =pod
2174:
2175: =head1 Helper element: page_size_state
2176:
2177: See lonhelper.pm documentation for discussion of the helper framework.
2178:
2179: Apache::lonprintout::page_size_state is an element that gives the
2180: user the opportunity to further refine the page settings if they
2181: select a single-column page.
2182:
2183: page_size_state is always directly invoked in lonprintout.pm, so there
2184: is no tag interface. You actually pass parameters to the constructor.
2185:
2186: =over 4
2187:
2188: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2189:
2190: =back
2191:
2192: =cut
2193:
2194: use Apache::lonhelper;
2195:
2196: no strict;
2197: @ISA = ("Apache::lonhelper::element");
2198: use strict;
2199:
2200:
2201:
2202: sub new {
2203: my $self = Apache::lonhelper::element->new();
2204:
2205: shift; # disturbs me (probably prevents subclassing) but works (drops
2206: # package descriptor)... - Jeremy
2207:
2208: $self->{'variable'} = shift;
2209: my $helper = Apache::lonhelper::getHelper();
2210: $helper->declareVar($self->{'variable'});
2211:
2212: # The variable name of the format element, so we can look into
2213: # $helper->{VARS} to figure out whether the columns are one or two
2214: $self->{'formatvar'} = shift;
2215:
2216: # The state to transition to after selection, or after discovering
2217: # the cols are not set to 1
2218: $self->{NEXTSTATE} = shift;
2219: bless($self);
2220: return $self;
2221: }
2222:
2223: sub render {
2224: my $self = shift;
2225: my $helper = Apache::lonhelper::getHelper();
2226: my $result = '';
2227: my $var = $self->{'variable'};
2228:
2229: if (defined $self->{ERROR_MSG}) {
2230: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2231: }
2232:
2233: $result .= <<ELEMENTHTML;
2234:
2235: <p>How should the column be formatted?</p>
2236:
2237: <table cellpadding='3'>
2238: <tr>
2239: <td align='right'><b>Width</b>:</td>
2240: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2241: <td align='left'>
2242: <select name='$var.widthunit'>
2243: <option>cm</option><option>in</option>
2244: </select>
2245: </td>
2246: </tr>
2247: <tr>
2248: <td align='right'><b>Height</b>:</td>
2249: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2250: <td align='left'>
2251: <select name='$var.heightunit'>
2252: <option>cm</option><option>in</option>
2253: </select>
2254: </td>
2255: </tr>
2256: <tr>
2257: <td align='right'><b>Left margin</b>:</td>
2258: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2259: <td align='left'>
2260: <select name='$var.lmarginunit'>
2261: <option>cm</option><option>in</option>
2262: </select>
2263: </td>
2264: </tr>
2265: </table>
2266:
2267: <p>Hint: Some instructors like to leave scratch space for the student by
2268: making the width much smaller than the width of the page.</p>
2269:
2270: ELEMENTHTML
2271:
2272: return $result;
2273: }
2274:
2275: # If the user didn't select 1 column, skip this state.
2276: sub preprocess {
2277: my $self = shift;
2278: my $helper = Apache::lonhelper::getHelper();
2279:
2280: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2281: if (substr($format, 2, 1) ne '1') {
2282: $helper->changeState($self->{NEXTSTATE});
2283: }
2284:
2285: return 1;
2286: }
2287:
2288: sub postprocess {
2289: my $self = shift;
2290:
2291: my $var = $self->{'variable'};
2292: my $helper = Apache::lonhelper->getHelper();
2293: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
2294: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
2295: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
2296: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
2297: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
2298: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
2299:
2300: my $error = '';
2301:
2302: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2303: # by an optional period, followed by digits, ending the string
2304:
2305: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2306: $error .= "Invalid width; please type only a number.<br />\n";
2307: }
2308: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2309: $error .= "Invalid height; please type only a number.<br />\n";
2310: }
2311: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2312: $error .= "Invalid left margin; please type only a number.<br />\n";
2313: }
2314:
2315: if (!$error) {
2316: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2317: return 1;
2318: } else {
2319: $self->{ERROR_MSG} = $error;
2320: return 0;
2321: }
2322: }
2323:
2324:
2325:
2326: __END__
2327:
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