1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.356 2005/02/07 12:00:13 foxr Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
29: package Apache::lonprintout;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonxml;
34: use Apache::lonnet;
35: use Apache::loncommon;
36: use Apache::inputtags;
37: use Apache::grades;
38: use Apache::edit;
39: use Apache::File();
40: use Apache::lonnavmaps;
41: use Apache::lonratedt;
42: use POSIX qw(strftime);
43: use Apache::lonlocal;
44:
45: my $LaTeXwidth = 0;
46:
47:
48: # Compare two students by name. The students are in the form
49: # returned by the helper:
50: # user:domain:section:last, first:status
51: # This is a helper function for the perl sort built-in therefore:
52: # Implicit Inputs:
53: # $a - The first element to compare (global)
54: # $b - The second element to compare (global)
55: # Returns:
56: # -1 - $a < $b
57: # 0 - $a == $b
58: # +1 - $a > $b
59: # Note that the initial comparison is done on the last names with the
60: # first names only used to break the tie.
61: #
62: #
63: sub compare_names {
64: # First split the names up into the primary fields.
65:
66: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
67: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
68:
69: # Now split the last name and first name of each n:
70: #
71:
72: my ($l1,$f1) = split(/,/, $n1);
73: my ($l2,$f2) = split(/,/, $n2);
74:
75: # We don't bother to remove the leading/trailing whitespace from the
76: # firstname, unless the last names compare identical.
77:
78: if($l1 lt $l2) {
79: return -1;
80: }
81: if($l1 gt $l2) {
82: return 1;
83: }
84:
85: # Break the tie on the first name, but there are leading (possibly trailing
86: # whitespaces to get rid of first
87: #
88: $f1 =~ s/^\s+//; # Remove leading...
89: $f1 =~ s/\s+$//; # Trailing spaces from first 1...
90:
91: $f2 =~ s/^\s+//;
92: $f2 =~ s/\s+$//; # And the same for first 2...
93:
94: if($f1 lt $f2) {
95: return -1;
96: }
97: if($f1 gt $f2) {
98: return 1;
99: }
100:
101: # Must be the same name.
102:
103: return 0;
104: }
105:
106: sub latex_header_footer_remove {
107: my $text = shift;
108: $text =~ s/\\end{document}//;
109: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
110: return $text;
111: }
112:
113:
114: sub character_chart {
115: my $result = shift;
116: $result =~ s/&\#0?0?(7|9);//g;
117: $result =~ s/&\#0?(10|13);//g;
118: $result =~ s/&\#0?32;/ /g;
119: $result =~ s/&\#0?33;/!/g;
120: $result =~ s/&(\#0?34|quot);/\"/g;
121: $result =~ s/&\#0?35;/\\\#/g;
122: $result =~ s/&\#0?36;/\\\$/g;
123: $result =~ s/&\#0?37;/\\%/g;
124: $result =~ s/&(\#0?38|amp);/\\&/g;
125: $result =~ s/&\#(0?39|146);/\'/g;
126: $result =~ s/&\#0?40;/(/g;
127: $result =~ s/&\#0?41;/)/g;
128: $result =~ s/&\#0?42;/\*/g;
129: $result =~ s/&\#0?43;/\+/g;
130: $result =~ s/&\#(0?44|130);/,/g;
131: $result =~ s/&\#0?45;/-/g;
132: $result =~ s/&\#0?46;/\./g;
133: $result =~ s/&\#0?47;/\//g;
134: $result =~ s/&\#0?48;/0/g;
135: $result =~ s/&\#0?49;/1/g;
136: $result =~ s/&\#0?50;/2/g;
137: $result =~ s/&\#0?51;/3/g;
138: $result =~ s/&\#0?52;/4/g;
139: $result =~ s/&\#0?53;/5/g;
140: $result =~ s/&\#0?54;/6/g;
141: $result =~ s/&\#0?55;/7/g;
142: $result =~ s/&\#0?56;/8/g;
143: $result =~ s/&\#0?57;/9/g;
144: $result =~ s/&\#0?58;/:/g;
145: $result =~ s/&\#0?59;/;/g;
146: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
147: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
148: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
149: $result =~ s/&\#0?63;/\?/g;
150: $result =~ s/&\#0?65;/A/g;
151: $result =~ s/&\#0?66;/B/g;
152: $result =~ s/&\#0?67;/C/g;
153: $result =~ s/&\#0?68;/D/g;
154: $result =~ s/&\#0?69;/E/g;
155: $result =~ s/&\#0?70;/F/g;
156: $result =~ s/&\#0?71;/G/g;
157: $result =~ s/&\#0?72;/H/g;
158: $result =~ s/&\#0?73;/I/g;
159: $result =~ s/&\#0?74;/J/g;
160: $result =~ s/&\#0?75;/K/g;
161: $result =~ s/&\#0?76;/L/g;
162: $result =~ s/&\#0?77;/M/g;
163: $result =~ s/&\#0?78;/N/g;
164: $result =~ s/&\#0?79;/O/g;
165: $result =~ s/&\#0?80;/P/g;
166: $result =~ s/&\#0?81;/Q/g;
167: $result =~ s/&\#0?82;/R/g;
168: $result =~ s/&\#0?83;/S/g;
169: $result =~ s/&\#0?84;/T/g;
170: $result =~ s/&\#0?85;/U/g;
171: $result =~ s/&\#0?86;/V/g;
172: $result =~ s/&\#0?87;/W/g;
173: $result =~ s/&\#0?88;/X/g;
174: $result =~ s/&\#0?89;/Y/g;
175: $result =~ s/&\#0?90;/Z/g;
176: $result =~ s/&\#0?91;/[/g;
177: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
178: $result =~ s/&\#0?93;/]/g;
179: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
180: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
181: $result =~ s/&\#(0?96|145);/\`/g;
182: $result =~ s/&\#0?97;/a/g;
183: $result =~ s/&\#0?98;/b/g;
184: $result =~ s/&\#0?99;/c/g;
185: $result =~ s/&\#100;/d/g;
186: $result =~ s/&\#101;/e/g;
187: $result =~ s/&\#102;/f/g;
188: $result =~ s/&\#103;/g/g;
189: $result =~ s/&\#104;/h/g;
190: $result =~ s/&\#105;/i/g;
191: $result =~ s/&\#106;/j/g;
192: $result =~ s/&\#107;/k/g;
193: $result =~ s/&\#108;/l/g;
194: $result =~ s/&\#109;/m/g;
195: $result =~ s/&\#110;/n/g;
196: $result =~ s/&\#111;/o/g;
197: $result =~ s/&\#112;/p/g;
198: $result =~ s/&\#113;/q/g;
199: $result =~ s/&\#114;/r/g;
200: $result =~ s/&\#115;/s/g;
201: $result =~ s/&\#116;/t/g;
202: $result =~ s/&\#117;/u/g;
203: $result =~ s/&\#118;/v/g;
204: $result =~ s/&\#119;/w/g;
205: $result =~ s/&\#120;/x/g;
206: $result =~ s/&\#121;/y/g;
207: $result =~ s/&\#122;/z/g;
208: $result =~ s/&\#123;/\\{/g;
209: $result =~ s/&\#124;/\|/g;
210: $result =~ s/&\#125;/\\}/g;
211: $result =~ s/&\#126;/\~/g;
212: $result =~ s/&\#131;/\\textflorin /g;
213: $result =~ s/&\#132;/\"/g;
214: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
215: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
216: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
217: $result =~ s/&\#137;/\\textperthousand /g;
218: $result =~ s/&\#140;/{\\OE}/g;
219: $result =~ s/&\#147;/\`\`/g;
220: $result =~ s/&\#148;/\'\'/g;
221: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
222: $result =~ s/&\#150;/--/g;
223: $result =~ s/&\#151;/---/g;
224: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
225: $result =~ s/&\#153;/\\texttrademark /g;
226: $result =~ s/&\#156;/\\oe/g;
227: $result =~ s/&\#159;/\\\"Y/g;
228: $result =~ s/&(\#160|nbsp);/~/g;
229: $result =~ s/&(\#161|iexcl);/!\`/g;
230: $result =~ s/&(\#162|cent);/\\textcent /g;
231: $result =~ s/&(\#163|pound);/\\pounds /g;
232: $result =~ s/&(\#164|curren);/\\textcurrency /g;
233: $result =~ s/&(\#165|yen);/\\textyen /g;
234: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
235: $result =~ s/&(\#167|sect);/\\textsection /g;
236: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
237: $result =~ s/&(\#169|copy);/\\copyright /g;
238: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
239: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
240: $result =~ s/&(\#173|shy);/ - /g;
241: $result =~ s/&(\#174|reg);/\\textregistered /g;
242: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
243: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
244: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
245: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
246: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
247: $result =~ s/&(\#180|acute);/\\textacute /g;
248: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
249: $result =~ s/&(\#182|para);/\\P/g;
250: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
251: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
252: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
253: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
254: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
255: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
256: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
257: $result =~ s/&(\#191|iquest);/?\`/g;
258: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
259: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
260: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
261: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
262: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
263: $result =~ s/&(\#197|Aring);/{\\AA}/g;
264: $result =~ s/&(\#198|AElig);/{\\AE}/g;
265: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
266: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
267: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
268: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
269: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
270: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
271: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
272: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
273: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
274: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
275: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
276: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
277: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
278: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
279: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
280: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
281: $result =~ s/&(\#216|Oslash);/{\\O}/g;
282: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
283: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
284: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
285: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
286: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
287: $result =~ s/&(\#223|szlig);/{\\ss}/g;
288: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
289: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
290: $result =~ s/&(\#226|acirc);/\\^{a}/g;
291: $result =~ s/&(\#227|atilde);/\\~{a}/g;
292: $result =~ s/&(\#228|auml);/\\\"{a}/g;
293: $result =~ s/&(\#229|aring);/{\\aa}/g;
294: $result =~ s/&(\#230|aelig);/{\\ae}/g;
295: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
296: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
297: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
298: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
299: $result =~ s/&(\#235|euml);/\\\"{e}/g;
300: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
301: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
302: $result =~ s/&(\#238|icirc);/\\^{i}/g;
303: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
304: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
305: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
306: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
307: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
308: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
309: $result =~ s/&(\#245|otilde);/\\~{o}/g;
310: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
311: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
312: $result =~ s/&(\#248|oslash);/{\\o}/g;
313: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
314: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
315: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
316: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
317: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
318: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
319: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
320: #Greek Alphabet
321: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
322: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
323: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
324: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
325: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
326: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
327: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
328: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
329: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
330: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
331: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
332: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
333: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
334: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
335: $result =~ s/&(omicron|\#959);/o/g;
336: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
337: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
338: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
339: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
340: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
341: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
342: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
343: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
344: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
345: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
346: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
347: $result =~ s/&(Alpha|\#913);/A/g;
348: $result =~ s/&(Beta|\#914);/B/g;
349: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
350: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
351: $result =~ s/&(Epsilon|\#917);/E/g;
352: $result =~ s/&(Zeta|\#918);/Z/g;
353: $result =~ s/&(Eta|\#919);/H/g;
354: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
355: $result =~ s/&(Iota|\#921);/I/g;
356: $result =~ s/&(Kappa|\#922);/K/g;
357: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
358: $result =~ s/&(Mu|\#924);/M/g;
359: $result =~ s/&(Nu|\#925);/N/g;
360: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
361: $result =~ s/&(Omicron|\#927);/O/g;
362: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
363: $result =~ s/&(Rho|\#929);/P/g;
364: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
365: $result =~ s/&(Tau|\#932);/T/g;
366: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
367: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
368: $result =~ s/&(Chi|\#935);/X/g;
369: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
370: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
371: #Arrows (extended HTML 4.01)
372: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
373: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
374: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
375: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
376: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
377: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
378: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
379: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
380: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
381: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
382: #Mathematical Operators (extended HTML 4.01)
383: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
384: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
385: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
386: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
387: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
388: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
389: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
390: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
391: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
392: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
393: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
394: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
395: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
396: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
397: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
398: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
399: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
400: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
401: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
402: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
403: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
404: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
405: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
406: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
407: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
408: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
409: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
410: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
411: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
412: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
413: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
414: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
415: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
416: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
417: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
418: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
419: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
420: #Geometric Shapes (extended HTML 4.01)
421: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
422: #Miscellaneous Symbols (extended HTML 4.01)
423: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
424: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
425: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
426: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
427: return $result;
428: }
429:
430:
431: #width, height, oddsidemargin, evensidemargin, topmargin
432: my %page_formats=
433: ('letter' => {
434: 'book' => {
435: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
436: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
437: },
438: 'album' => {
439: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'],
440: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
441: },
442: },
443: 'legal' => {
444: 'book' => {
445: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
446: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
447: },
448: 'album' => {
449: '1' => [],
450: '2' => []
451: },
452: },
453: 'tabloid' => {
454: 'book' => {
455: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
456: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
457: },
458: 'album' => {
459: '1' => [],
460: '2' => []
461: },
462: },
463: 'executive' => {
464: 'book' => {
465: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
466: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
467: },
468: 'album' => {
469: '1' => [],
470: '2' => []
471: },
472: },
473: 'a2' => {
474: 'book' => {
475: '1' => [],
476: '2' => []
477: },
478: 'album' => {
479: '1' => [],
480: '2' => []
481: },
482: },
483: 'a3' => {
484: 'book' => {
485: '1' => [],
486: '2' => []
487: },
488: 'album' => {
489: '1' => [],
490: '2' => []
491: },
492: },
493: 'a4' => {
494: 'book' => {
495: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
496: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
497: },
498: 'album' => {
499: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
500: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
501: },
502: },
503: 'a5' => {
504: 'book' => {
505: '1' => [],
506: '2' => []
507: },
508: 'album' => {
509: '1' => [],
510: '2' => []
511: },
512: },
513: 'a6' => {
514: 'book' => {
515: '1' => [],
516: '2' => []
517: },
518: 'album' => {
519: '1' => [],
520: '2' => []
521: },
522: },
523: );
524:
525: sub page_format {
526: #
527: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
528: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
529: # "A2 [420x594 mm]", "A3 [297x420 mm]",
530: # "A4 [210x297 mm]", "A5 [148x210 mm]",
531: # "A6 [105x148 mm]"
532: #
533: my ($papersize,$layout,$numberofcolumns) = @_;
534: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
535: }
536:
537:
538: sub get_name {
539: my ($uname,$udom)=@_;
540: if (!defined($uname)) { $uname=$ENV{'user.name'}; }
541: if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
542: my $plainname=&Apache::loncommon::plainname($uname,$udom);
543: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
544: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
545: return $plainname;
546: }
547:
548: sub get_course {
549: my $courseidinfo;
550: if (defined($ENV{'request.course.id'})) {
551: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
552: }
553: return $courseidinfo;
554: }
555:
556: sub page_format_transformation {
557: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
558: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
559: if ($selectionmade eq '4') {
560: $assignment='Problems from the Whole Course';
561: } else {
562: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
563: }
564: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
565: my $name = &get_name();
566: my $courseidinfo = &get_course();
567: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
568: my $topmargintoinsert = '';
569: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
570: my $fancypagestatement='';
571: if ($numberofcolumns eq '2') {
572: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
573: } else {
574: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
575: }
576: if ($layout eq 'album') {
577: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
578: } elsif ($layout eq 'book') {
579: if ($choice ne 'All class print') {
580: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
581: } else {
582: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
583: }
584: if ($papersize eq 'a4') {
585: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
586: }
587: }
588: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
589: if ($indexlist eq 'yes') {
590: $text=~s/(\\begin{document})/\\makeindex $1/;
591: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
592: }
593: return $text;
594: }
595:
596:
597: sub page_cleanup {
598: my $result = shift;
599:
600: $result =~ m/\\end{document}(\d*)$/;
601: my $number_of_columns = $1;
602: my $insert = '{';
603: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
604: $insert .= '}';
605: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
606: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
607: return $result,$number_of_columns;
608: }
609:
610:
611: sub details_for_menu {
612: my ($helper)=@_;
613: my $postdata=$ENV{'form.postdata'};
614: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
615: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
616: my $symbolic = &Apache::lonnet::symbread($postdata);
617: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
618: $map=&Apache::lonnet::clutter($map);
619: my $name_of_sequence = &Apache::lonnet::gettitle($map);
620: if ($name_of_sequence =~ /^\s*$/) {
621: $map =~ m|([^/]+)$|;
622: $name_of_sequence = $1;
623: }
624: my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'});
625: if ($name_of_map =~ /^\s*$/) {
626: $ENV{'request.course.uri'} =~ m|([^/]+)$|;
627: $name_of_map = $1;
628: }
629: return ($name_of_resource,$name_of_sequence,$name_of_map);
630: }
631:
632:
633: sub latex_corrections {
634:
635: my ($number_of_columns,$result,$selectionmade) = @_;
636:
637: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
638: $result =~ s/\$number_of_columns/$number_of_columns/g;
639: if ($selectionmade ne '1') {
640: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/;
641: } else {
642: $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/;
643: }
644: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
645: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
646: #-- LaTeX corrections
647: my $first_comment = index($result,'<!--',0);
648: while ($first_comment != -1) {
649: my $end_comment = index($result,'-->',$first_comment);
650: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
651: $first_comment = index($result,'<!--',$first_comment);
652: }
653: $result =~ s/^\s+$//gm; #remove empty lines
654: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
655: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
656: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
657: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
658: $result =~ s/\\\\\s+\[/ \[/g;
659: #conversion of html characters to LaTeX equivalents
660: if ($result =~ m/&(\w+|#\d+);/) {
661: $result = &character_chart($result);
662: }
663: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
664: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
665:
666: return $result;
667: }
668:
669:
670: sub index_table {
671: my $currentURL = shift;
672: my $insex_string='';
673: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
674: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
675: return $insex_string;
676: }
677:
678:
679: sub IndexCreation {
680: my ($texversion,$currentURL)=@_;
681: my @key_words=split(/,/,&index_table($currentURL));
682: my $chunk='';
683: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
684: if ($st>0) {
685: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
686: $chunk=substr($texversion,0,$st+1);
687: substr($texversion,0,$st+1)=' ';
688: }
689: foreach my $key_word (@key_words) {
690: if ($key_word=~/\S+/) {
691: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
692: }
693: }
694: if ($st>0) {substr($texversion,0,1)=$chunk;}
695: return $texversion;
696: }
697:
698: sub print_latex_header {
699: my $mode=shift;
700: my $output='\documentclass[letterpaper]{article}';
701: if ($mode eq 'batchmode') {
702: $output.='\batchmode';
703: }
704: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
705: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
706: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
707: '\usepackage{picins}\usepackage{calc}'."\n".
708: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
709: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
710: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
711: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
712: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
713: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
714: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
715: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
716: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
717: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
718: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
719: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
720: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
721: return $output;
722: }
723:
724: sub path_to_problem {
725: my ($urlp,$colwidth)=@_;
726: my $newurlp = '';
727: $colwidth=~s/\s*mm\s*$//;
728: #characters average about 2 mm in width
729: if (length($urlp)*2 > $LaTeXwidth) {
730: my @elements = split '/',$urlp;
731: my $curlength=0;
732: foreach my $element (@elements) {
733: if ($curlength+(length($element)*2) > $colwidth) {
734: $newurlp .= '|\vskip -1 mm \noindent \verb|';
735: $curlength=0;
736: } else {
737: $curlength+=length($element)*2;
738: }
739: $newurlp.='/'.$element;
740: }
741: } else {
742: $newurlp=$urlp;
743: }
744: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
745: }
746:
747: sub recalcto_mm {
748: my $textwidth=shift;
749: my $LaTeXwidth;
750: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
751: $LaTeXwidth = $1*10;
752: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
753: $LaTeXwidth = $1;
754: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
755: $LaTeXwidth = $1*25.4;
756: }
757: $LaTeXwidth.=' mm';
758: return $LaTeXwidth;
759: }
760:
761: sub get_textwidth {
762: my ($helper,$LaTeXwidth)=@_;
763: my $textwidth=$LaTeXwidth;
764: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
765: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
766: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
767: $helper->{'VARS'}->{'pagesize.widthunit'});
768: }
769: return $textwidth;
770: }
771:
772:
773: sub unsupported {
774: my ($currentURL,$mode)=@_;
775: if ($mode ne '') {$mode='\\'.$mode}
776: my $result.= &print_latex_header($mode);
777: if ($currentURL=~/\/ext\//) {
778: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
779: } else {
780: $result.=$currentURL;
781: }
782: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
783: return $result;
784: }
785:
786:
787: sub output_data {
788: my ($r,$helper,$rparmhash) = @_;
789: my %parmhash = %$rparmhash;
790: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
791: $r->print(<<ENDPART);
792:
793:
794:
795: <html>
796: <script type="text/javascript" language="Javascript" >
797: var editbrowser;
798: function openbrowser(formname,elementname,only,omit) {
799: var url = '/res/?';
800: if (editbrowser == null) {
801: url += 'launch=1&';
802: }
803: url += 'catalogmode=interactive&';
804: url += 'mode=parmset&';
805: url += 'form=' + formname + '&';
806: if (only != null) {
807: url += 'only=' + only + '&';
808: }
809: if (omit != null) {
810: url += 'omit=' + omit + '&';
811: }
812: url += 'element=' + elementname + '';
813: var title = 'Browser';
814: var options = 'scrollbars=1,resizable=1,menubar=0';
815: options += ',width=700,height=600';
816: editbrowser = open(url,title,options,'1');
817: editbrowser.focus();
818: }
819: </script>
820: <head>
821: <title>LON-CAPA output for printing</title>
822: </head>
823: $bodytag
824: Please stand by while processing your print request, this may take some time ...
825: ENDPART
826:
827: # Common settings for the %form has:
828: # In some cases these settings get overriddent by specific cases, but the
829: # settings are common enough to make it worthwhile factoring them out
830: # here.
831: #
832: my %form;
833: my $form{'grade_target'} = 'tex';
834: my $form{'textwidth'} = &tget_textwidth($helper, $LaTeXwidth);
835:
836: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
837: my ($result,$selectionmade) = ('','');
838: my $number_of_columns = 1; #used only for pages to determine the width of the cell
839: my @temporary_array=split /\|/,$format_from_helper;
840: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
841: if ($laystyle eq 'L') {
842: $laystyle='album';
843: } else {
844: $laystyle='book';
845: }
846: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
847: my $assignment = $ENV{'form.assignment'};
848: my $LaTeXwidth=&recalcto_mm($textwidth);
849: my @print_array=();
850: my @student_names=();
851:
852: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
853: #-- single document - problem, page, html, xml, ...
854: my ($currentURL,$cleanURL);
855: if ($helper->{'VARS'}->{'construction'} ne '1') {
856: #prints published resource
857: $currentURL=$helper->{'VARS'}->{'postdata'};
858: $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
859: } else {
860: #prints resource from the construction space
861: $currentURL='/'.$helper->{'VARS'}->{'filename'};
862: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
863: $cleanURL=$currentURL;
864: }
865: $selectionmade = 1;
866: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
867: my $rndseed=time;
868: my $texversion='';
869: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
870: my %moreenv;
871: $moreenv{'request.filename'}=$cleanURL;
872: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
873: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
874: my $dom = $ENV{'user.domain'};
875: my $user = $ENV{'user.name'};
876: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
877: }
878: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
879: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
880: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
881: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
882: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
883: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
884: if ($helper->{'VARS'}->{'curseed'}) {
885: $rndseed=$helper->{'VARS'}->{'curseed'};
886: }
887: $form{'rndseed'}=$rndseed;
888: &Apache::lonnet::appenv(%moreenv);
889: &Apache::lonnet::delenv('form.counter');
890: &Apache::lonxml::init_counter();
891: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
892: &Apache::lonnet::delenv('form.counter');
893: &Apache::lonnet::delenv('request.filename');
894: }
895: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
896: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
897: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
898: $form{'grade_target'}='answer';
899: $form{'answer_output_mode'}='tex';
900: $form{'rndseed'}=$rndseed;
901: my $answer=&Apache::lonnet::ssi($currentURL,%form);
902: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
903: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
904: } else {
905: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
906: if ($helper->{'VARS'}->{'construction'} ne '1') {
907: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
908: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
909: } else {
910: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
911: my $URLpath=$cleanURL;
912: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
913: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
914: }
915: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
916: }
917: }
918: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
919: $texversion=&IndexCreation($texversion,$currentURL);
920: }
921: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
922: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
923:
924: }
925: $result .= $texversion;
926: if ($currentURL=~m/\.page\s*$/) {
927: ($result,$number_of_columns) = &page_cleanup($result);
928: }
929: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
930: #printing content of sequence from the construction space
931: my $flag_latex_header_remove = 'NO';
932: my $rndseed=time;
933: if ($helper->{'VARS'}->{'curseed'}) {
934: $rndseed=$helper->{'VARS'}->{'curseed'};
935: }
936: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
937: my $errtext=&Apache::lonratedt::mapread($currentURL);
938: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
939: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
940: my $urlp=$2;
941: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
942: my $texversion='';
943: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
944: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
945: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
946: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
947: $form{'rndseed'}=$rndseed;
948: $texversion=&Apache::lonnet::ssi($urlp,%form);
949: }
950: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
951: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
952: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
953: $form{'grade_target'}='answer';
954: $form{'answer_output_mode'}='tex';
955: $form{'rndseed'}=$rndseed;
956: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
957: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
958: my $answer=&Apache::lonnet::ssi($urlp,%form);
959: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
960: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
961: } else {
962: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
963: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
964: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
965: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
966: }
967: }
968: if ($flag_latex_header_remove ne 'NO') {
969: $texversion = &latex_header_footer_remove($texversion);
970: } else {
971: $texversion =~ s/\\end{document}//;
972: }
973: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
974: $texversion=&IndexCreation($texversion,$urlp);
975: }
976: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
977: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
978: }
979: $result.=$texversion;
980: $flag_latex_header_remove = 'YES';
981: } elsif ($urlp=~/\.(sequence|page)$/) {
982: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
983: }
984: }
985: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
986: $result .= '\end{document}';
987: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
988: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
989: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
990: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
991: $result .= $texversion;
992: } else {
993: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
994: }
995: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
996: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
997: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
998: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG
999: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
1000: #-- produce an output string
1001: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1002: $selectionmade = 2;
1003: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
1004: $selectionmade = 3;
1005: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
1006: $selectionmade = 4;
1007: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG
1008: $selectionmade = 4;
1009: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
1010: $selectionmade = 7;
1011: }
1012: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1013: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
1014: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1015: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1016: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1017: my $flag_latex_header_remove = 'NO';
1018: my $flag_page_in_sequence = 'NO';
1019: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1020: my %page_breaks;
1021: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
1022: $page_breaks{$break} = 1;
1023: }
1024: my $prevassignment='';
1025: &Apache::lonnet::delenv('form.counter');
1026: &Apache::lonxml::init_counter();
1027: for (my $i=0;$i<=$#master_seq;$i++) {
1028:
1029: # Note due to document structure, not allowed to put \newpage
1030: # prior to the first resource
1031:
1032: if (defined $page_breaks{$master_seq[$i]}) {
1033: if($i != 0) {
1034: $result.="\\newpage\n";
1035: }
1036: }
1037: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1038: $urlp=&Apache::lonnet::clutter($urlp);
1039: $form{'symb'}=$master_seq[$i];
1040: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
1041: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1042: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1043: if ($i==0) {$prevassignment=$assignment;}
1044: my $texversion='';
1045: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1046: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1047: if ($urlp=~/\.page$/) {
1048: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1049: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1050: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1051: $flag_page_in_sequence = 'YES';
1052: }
1053: my $lonidsdir=$r->dir_config('lonIDsDir');
1054: my $envfile=$ENV{'user.environment'};
1055: $envfile=~/\/([^\/]+)\.id$/;
1056: $envfile=$1;
1057: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1058: my $current_counter=$ENV{'form.counter'};
1059: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1060: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1061: $form{'grade_target'}='answer';
1062: $form{'answer_output_mode'}='tex';
1063: my $answer=&Apache::lonnet::ssi($urlp,%form);
1064: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1065: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1066: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1067: } else {
1068: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1069: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1070: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
1071: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1072: $texversion.='\vskip 1 mm '.$answer;
1073: } else {
1074: $texversion='';
1075: }
1076: }
1077: }
1078: if ($flag_latex_header_remove ne 'NO') {
1079: $texversion = &latex_header_footer_remove($texversion);
1080: } else {
1081: $texversion =~ s/\\end{document}//;
1082: }
1083: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1084: $texversion=&IndexCreation($texversion,$urlp);
1085: }
1086: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1087: my $name = &get_name();
1088: my $courseidinfo = &get_course();
1089: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1090: $prevassignment=$assignment;
1091: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1092: }
1093: $result .= $texversion;
1094: $flag_latex_header_remove = 'YES';
1095: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1096: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1097: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1098: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1099: if ($flag_latex_header_remove ne 'NO') {
1100: $texversion = &latex_header_footer_remove($texversion);
1101: } else {
1102: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1103: }
1104: $result .= $texversion;
1105: $flag_latex_header_remove = 'YES';
1106: } else {
1107: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1108: if ($flag_latex_header_remove ne 'NO') {
1109: $texversion = &latex_header_footer_remove($texversion);
1110: } else {
1111: $texversion =~ s/\\end{document}//;
1112: }
1113: $result .= $texversion;
1114: $flag_latex_header_remove = 'YES';
1115: }
1116: if (&Apache::loncommon::connection_aborted($r)) { last; }
1117: }
1118: &Apache::lonnet::delenv('form.counter');
1119: if ($flag_page_in_sequence eq 'YES') {
1120: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1121: }
1122: $result .= '\end{document}';
1123: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1124: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1125:
1126:
1127: #-- prints assignments for whole class or for selected students
1128: my $type;
1129: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1130: $selectionmade=5;
1131: $type='problems';
1132: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1133: $selectionmade=8;
1134: $type='resources';
1135: }
1136: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1137: # The normal sort order is by section then by students within the
1138: # section. If the helper var student_sort is 1, then the user has elected
1139: # to override this and output the students by name.
1140: # Each element of the students array is of the form:
1141: # username:domain:section:last, first:status
1142: #
1143: #
1144: if ($helper->{'VARS'}->{'student_sort'} eq 1) {
1145: @students = sort compare_names @students;
1146: }
1147: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1148: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1149: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1150: }
1151: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1152:
1153: #loop over students
1154: my $flag_latex_header_remove = 'NO';
1155: my %moreenv;
1156: $moreenv{'instructor_comments'}='hide';
1157: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1158: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1159: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1160: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1161: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1162: my $student_counter=-1;
1163: foreach my $person (@students) {
1164:
1165: my $duefile="/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
1166: if (-e $duefile) {
1167: my $temp_file = Apache::File->new('>>'.$duefile);
1168: print $temp_file "1969\n";
1169: }
1170: $student_counter++;
1171: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1172: my ($output,$fullname)=&print_resources($r,$helper,
1173: $person,$type,
1174: \%moreenv,\@master_seq,
1175: $flag_latex_header_remove);
1176: $print_array[$i].=$output;
1177: $student_names[$i].=$person.':'.$fullname.'_END_';
1178: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1179: $flag_latex_header_remove = 'YES';
1180: if (&Apache::loncommon::connection_aborted($r)) { last; }
1181: }
1182: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1183: $result .= $print_array[0].' \end{document}';
1184: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1185: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1186: my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1187: my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1188: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1189: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1190: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1191: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1192: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'};
1193: my $seed=time+($$<<16)+($$);
1194: my @allcodes;
1195: if ($old_name) {
1196: my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
1197: @allcodes=split(',',$result{$old_name});
1198: $num_todo=scalar(@allcodes);
1199: } else {
1200: my %allcodes;
1201: srand($seed);
1202: for (my $i=0;$i<$num_todo;$i++) {
1203: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
1204: }
1205: if ($code_name) {
1206: &Apache::lonnet::put('CODEs',
1207: {$code_name =>join(',',keys(%allcodes))},
1208: $cdom,$cnum);
1209: }
1210: @allcodes=keys(%allcodes);
1211: }
1212: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1213: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1214: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1215: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1216: $number_per_page=$num_todo;
1217: }
1218: my $flag_latex_header_remove = 'NO';
1219: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1220: my $count=0;
1221: foreach my $code (sort(@allcodes)) {
1222: my $file_num=int($count/$number_per_page);
1223: $moreenv{'CODE'}=&num_to_letters($code);
1224: my ($output,$fullname)=
1225: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1226: \@master_seq,$flag_latex_header_remove);
1227: $print_array[$file_num].=$output;
1228: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1229: &mt('last assignment').' '.$fullname);
1230: $flag_latex_header_remove = 'YES';
1231: $count++;
1232: if (&Apache::loncommon::connection_aborted($r)) { last; }
1233: }
1234: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1235: $result .= $print_array[0].' \end{document}';
1236: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1237: #prints selected problems from the subdirectory
1238: $selectionmade = 6;
1239: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1240: @list_of_files=sort @list_of_files;
1241: my $flag_latex_header_remove = 'NO';
1242: my $rndseed=time;
1243: if ($helper->{'VARS'}->{'curseed'}) {
1244: $rndseed=$helper->{'VARS'}->{'curseed'};
1245: }
1246: for (my $i=0;$i<=$#list_of_files;$i++) {
1247: my $urlp = $list_of_files[$i];
1248: $urlp=~s|//|/|;
1249: if ($urlp=~/\//) {
1250: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1251: $form{'rndseed'}=$rndseed;
1252: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1253: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1254: } else {
1255: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1256: }
1257: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1258: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1259: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1260: $form{'grade_target'}='answer';
1261: $form{'answer_output_mode'}='tex';
1262: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1263: $form{'rndseed'}=$rndseed;
1264: my $answer=&Apache::lonnet::ssi($urlp,%form);
1265: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1266: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1267: } else {
1268: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1269: if ($helper->{'VARS'}->{'construction'} ne '1') {
1270: $texversion.='\vskip 0 mm \noindent ';
1271: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1272: } else {
1273: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1274: my $URLpath=$urlp;
1275: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1276: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1277: }
1278: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1279: }
1280: }
1281: #this chunck is responsible for printing the path to problem
1282: my $newurlp=$urlp;
1283: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1284: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1285: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1286: if ($flag_latex_header_remove ne 'NO') {
1287: $texversion = &latex_header_footer_remove($texversion);
1288: } else {
1289: $texversion =~ s/\\end{document}//;
1290: }
1291: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1292: $texversion=&IndexCreation($texversion,$urlp);
1293: }
1294: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1295: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1296:
1297: }
1298: $result .= $texversion;
1299: }
1300: $flag_latex_header_remove = 'YES';
1301: }
1302: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1303: $result .= '\end{document}';
1304: }
1305: #-------------------------------------------------------- corrections for the different page formats
1306: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1307: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1308: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1309: #changes page's parameters for the one column output
1310: if ($numberofcolumns == 1) {
1311: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1312: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1313: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1314: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1315: }
1316: #-- writing .tex file in prtspool
1317: my $temp_file;
1318: my $identifier = &Apache::loncommon::get_cgi_id();
1319: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
1320: if (!($#print_array>0)) {
1321: unless ($temp_file = Apache::File->new('>'.$filename)) {
1322: $r->log_error("Couldn't open $filename for output $!");
1323: return SERVER_ERROR;
1324: }
1325: print $temp_file $result;
1326: my $begin=index($result,'\begin{document}',0);
1327: my $inc=substr($result,0,$begin+16);
1328: } else {
1329: my $begin=index($result,'\begin{document}',0);
1330: my $inc=substr($result,0,$begin+16);
1331: for (my $i=0;$i<=$#print_array;$i++) {
1332: if ($i==0) {
1333: $print_array[$i]=$result;
1334: } else {
1335: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1336: substr($print_array[$i],0,$anobegin)='';
1337: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1338: }
1339: my $temp_file;
1340: my $newfilename=$filename;
1341: my $num=$i+1;
1342: $newfilename =~s/\.tex$/_$num\.tex/;
1343: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1344: $r->log_error("Couldn't open $newfilename for output $!");
1345: return SERVER_ERROR;
1346: }
1347: print $temp_file $print_array[$i];
1348: }
1349: }
1350: my $student_names='';
1351: if ($#print_array>0) {
1352: for (my $i=0;$i<=$#print_array;$i++) {
1353: $student_names.=$student_names[$i].'_ENDPERSON_';
1354: }
1355: } else {
1356: if ($#student_names>-1) {
1357: $student_names=$student_names[0].'_ENDPERSON_';
1358: } else {
1359: my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
1360: $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
1361: $ENV{'request.course.sec'},$fullname).
1362: '_ENDPERSON_'.'_END_';
1363: }
1364: }
1365:
1366: my $URLback=''; #link to original document
1367: if ($helper->{'VARS'}->{'construction'} ne '1') {
1368: #prints published resource
1369: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1370: } else {
1371: #prints resource from the construction space
1372: $URLback='/'.$helper->{'VARS'}->{'filename'};
1373: if ($URLback=~/([^?]+)/) {
1374: $URLback=$1;
1375: $URLback=~s|^/~|/priv/|;
1376: }
1377: }
1378:
1379: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1380: 'cgi.'.$identifier.'.layout' => $laystyle,
1381: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1382: 'cgi.'.$identifier.'.paper' => $papersize,
1383: 'cgi.'.$identifier.'.selection' => $selectionmade,
1384: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1385: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1386: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1387: 'cgi.'.$identifier.'numberoffiles' => $#print_array,
1388: 'cgi.'.$identifier.'studentnames' => $student_names,
1389: 'cgi.'.$identifier.'backref' => $URLback,);
1390:
1391: $r->print(<<FINALEND);
1392: <br />
1393: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1394: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1395: </body>
1396: </html>
1397: FINALEND
1398: }
1399:
1400: sub num_to_letters {
1401: my ($num) = @_;
1402: my @nums= split('',$num);
1403: my @num_to_let=('A'..'Z');
1404: my $word;
1405: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1406: return $word;
1407: }
1408:
1409: sub get_CODE {
1410: my ($all_codes,$num,$seed,$size)=@_;
1411: my $max='1'.'0'x$size;
1412: my $newcode;
1413: while(1) {
1414: $newcode=sprintf("%06d",int(rand($max)));
1415: if (!exists($$all_codes{$newcode})) {
1416: $$all_codes{$newcode}=1;
1417: return &num_to_letters($newcode);
1418: }
1419: }
1420: }
1421:
1422: sub print_resources {
1423: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header)=@_;
1424: my $current_output = '';
1425: my ($username,$userdomain,$usersection) = split /:/,$person;
1426: my $fullname = &get_name($username,$userdomain);
1427: my $namepostfix;
1428: if ($person =~ 'anon') {
1429: $namepostfix="\\\\Name: ";
1430: $fullname = "CODE - ".$moreenv->{'CODE'};
1431: }
1432: my %page_breaks;
1433: foreach my $break (split /\|\|\|/,$helper->{'VARS'}->{'FINISHPAGE'}) {
1434: $page_breaks{$break} = 1;
1435: }
1436: my $i = 0;
1437: #goes through all resources, checks if they are available for
1438: #current student, and produces output
1439: &Apache::lonnet::delenv('form.counter');
1440: &Apache::lonxml::init_counter();
1441: foreach my $curresline (@{$master_seq}) {
1442: if (defined $page_breaks{$curresline}) {
1443: if($i != 0) {
1444: $current_output.= "\\newpage\n";
1445: }
1446: }
1447: $i++;
1448: if ( !($type eq 'problems' &&
1449: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1450: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1451: if (&Apache::lonnet::allowed('bre',$res_url)) {
1452: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1453: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1454: my $lonidsdir=$r->dir_config('lonIDsDir');
1455: my $envfile=$ENV{'user.environment'};
1456: $envfile=~/\/([^\/]+)\.id$/;
1457: $envfile=$1;
1458: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1459: my $current_counter=$ENV{'form.counter'};
1460: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1461: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1462: $moreenv->{'answer_output_mode'}='tex';
1463: $moreenv->{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1464: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%{$moreenv});
1465: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1466: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1467: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1468: } else {
1469: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1470: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1471: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1472: $rendered.='\vskip 1 mm '.$ansrendered;
1473: }
1474: }
1475: if ($remove_latex_header eq 'YES') {
1476: $rendered = &latex_header_footer_remove($rendered);
1477: } else {
1478: $rendered =~ s/\\end{document}//;
1479: }
1480: $current_output .= $rendered;
1481: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1482: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1483: my $lonidsdir=$r->dir_config('lonIDsDir');
1484: my $envfile=$ENV{'user.environment'};
1485: $envfile=~/\/([^\/]+)\.id$/;
1486: $envfile=$1;
1487: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1488: my $current_counter=$ENV{'form.counter'};
1489: if ($remove_latex_header eq 'YES') {
1490: $rendered = &latex_header_footer_remove($rendered);
1491: } else {
1492: $rendered =~ s/\\end{document}//;
1493: }
1494: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1495: } else {
1496: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1497: if ($remove_latex_header ne 'NO') {
1498: $rendered = &latex_header_footer_remove($rendered);
1499: } else {
1500: $rendered =~ s/\\end{document}//;
1501: }
1502: $current_output .= $rendered;
1503: }
1504: }
1505: $remove_latex_header = 'YES';
1506: }
1507: if (&Apache::loncommon::connection_aborted($r)) { last; }
1508: }
1509: my $courseidinfo = &get_course();
1510: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1511: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1512: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1513: if ($current_output=~/\\documentclass/) {
1514: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1515: } else {
1516: my $blankpages = '';
1517: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1518: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1519: }
1520: return ($current_output,$fullname);
1521:
1522: }
1523:
1524: sub handler {
1525:
1526: my $r = shift;
1527: my $helper;
1528:
1529: # my $loaderror=&Apache::lonnet::overloaderror($r);
1530: # if ($loaderror) { return $loaderror; }
1531: # $loaderror=
1532: # &Apache::lonnet::overloaderror($r,
1533: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
1534: # if ($loaderror) { return $loaderror; }
1535:
1536: my $result = printHelper($r);
1537: if (!ref($result)) {
1538: return $result;
1539: }
1540: $helper = $result;
1541:
1542: # my $key;
1543: # foreach $key (keys %{$helper->{'VARS'}}) {
1544: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1545: # }
1546: # foreach $key (keys %ENV) {
1547: # $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
1548: # }
1549: # return OK;
1550:
1551: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1552:
1553: # my $key;
1554: # foreach $key (keys %parmhash) {
1555: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1556: # }
1557: #
1558:
1559:
1560:
1561: &output_data($r,$helper,\%parmhash);
1562: return OK;
1563: }
1564:
1565: use Apache::lonhelper;
1566:
1567: sub addMessage {
1568: my $text = shift;
1569: my $paramHash = Apache::lonhelper::getParamHash();
1570: $paramHash->{MESSAGE_TEXT} = $text;
1571: Apache::lonhelper::message->new();
1572: }
1573:
1574: use Data::Dumper;
1575:
1576: sub printHelper {
1577: my $r = shift;
1578:
1579: if ($r->header_only) {
1580: if ($ENV{'browser.mathml'}) {
1581: &Apache::loncommon::content_type($r,'text/xml');
1582: } else {
1583: &Apache::loncommon::content_type($r,'text/html');
1584: }
1585: $r->send_http_header;
1586: return OK;
1587: }
1588:
1589: # Send header, nocache
1590: if ($ENV{'browser.mathml'}) {
1591: &Apache::loncommon::content_type($r,'text/xml');
1592: } else {
1593: &Apache::loncommon::content_type($r,'text/html');
1594: }
1595: &Apache::loncommon::no_cache($r);
1596: $r->send_http_header;
1597: $r->rflush();
1598:
1599: # Unfortunately, this helper is so complicated we have to
1600: # write it by hand
1601:
1602: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1603:
1604: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1605: $helper->declareVar('symb');
1606: $helper->declareVar('postdata');
1607: $helper->declareVar('curseed');
1608: $helper->declareVar('probstatus');
1609: $helper->declareVar('filename');
1610: $helper->declareVar('construction');
1611: $helper->declareVar('assignment');
1612: $helper->declareVar('style_file');
1613: $helper->declareVar('student_sort');
1614:
1615: # This will persistently load in the data we want from the
1616: # very first screen.
1617: # Detect whether we're coming from construction space
1618: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1619: $helper->{VARS}->{'filename'} = "~$1/$2";
1620: $helper->{VARS}->{'construction'} = 1;
1621: } else {
1622: if ($ENV{'form.postdata'}) {
1623: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
1624: }
1625: if ($ENV{'form.symb'}) {
1626: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1627: }
1628: if ($ENV{'form.url'}) {
1629: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1630: }
1631: }
1632:
1633: if ($ENV{'form.symb'}) {
1634: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1635: }
1636: if ($ENV{'form.url'}) {
1637: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1638:
1639: }
1640: $helper->{VARS}->{'symb'}=
1641: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1642: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1643: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1644:
1645:
1646: # Extract map
1647: my $symb = $helper->{VARS}->{'symb'};
1648: my ($map, $id, $url);
1649: my $subdir;
1650:
1651: # Get the resource name from construction space
1652: if ($helper->{VARS}->{'construction'}) {
1653: $resourceTitle = substr($helper->{VARS}->{'filename'},
1654: rindex($helper->{VARS}->{'filename'}, '/')+1);
1655: $subdir = substr($helper->{VARS}->{'filename'},
1656: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1657: } else {
1658: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1659: $helper->{VARS}->{'postdata'} =
1660: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1661:
1662: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1663: my $postdata = $helper->{VARS}->{'postdata'};
1664: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1665: }
1666: $subdir = &Apache::lonnet::filelocation("", $url);
1667: }
1668: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
1669: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
1670: }
1671: if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) {
1672: $helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'};
1673: }
1674:
1675: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1676: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
1677: $ENV{'request.role'}=~m/^in\./ or
1678: $ENV{'request.role'}=~m/^ta\./);
1679:
1680: Apache::lonhelper::registerHelperTags();
1681:
1682: # "Delete everything after the last slash."
1683: $subdir =~ s|/[^/]+$||;
1684: if (not $helper->{VARS}->{'construction'}) {
1685: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1686: }
1687: # "Remove all duplicate slashes."
1688: $subdir =~ s|/+|/|g;
1689:
1690: # What can be printed is a very dynamic decision based on
1691: # lots of factors. So we need to dynamically build this list.
1692: # To prevent security leaks, states are only added to the wizard
1693: # if they can be reached, which ensures manipulating the form input
1694: # won't allow anyone to reach states they shouldn't have permission
1695: # to reach.
1696:
1697: # printChoices is tracking the kind of printing the user can
1698: # do, and will be used in a choices construction later.
1699: # In the meantime we will be adding states and elements to
1700: # the helper by hand.
1701: my $printChoices = [];
1702: my $paramHash;
1703:
1704: if ($resourceTitle) {
1705: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1706: }
1707:
1708: # Useful filter strings
1709: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1710: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1711: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
1712: my $isNotMap = '!$res->is_sequence()';
1713: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1714: my $isMap = '$res->is_map()';
1715: my $symbFilter = '$res->shown_symb()';
1716: my $urlValue = '$res->link()';
1717:
1718: $helper->declareVar('SEQUENCE');
1719:
1720: # Useful for debugging: Dump the help vars
1721: #$r->print(Dumper($helper->{VARS}));
1722: #$r->print($map);
1723:
1724: # If we're in a sequence...
1725: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1726:
1727: $helper->{VARS}->{'postdata'} &&
1728: $helper->{VARS}->{'assignment'}) {
1729: # Allow problems from sequence
1730: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1731: # Allow all resources from sequence
1732: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1733:
1734: my $helperFragment = <<HELPERFRAGMENT;
1735: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1736: <message>(mark them then click "next" button) <br /></message>
1737: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1738: closeallpages="1">
1739: <nextstate>PAGESIZE</nextstate>
1740: <filterfunc>return $isProblem;</filterfunc>
1741: <mapurl>$map</mapurl>
1742: <valuefunc>return $symbFilter;</valuefunc>
1743: <option text='Newpage' variable='FINISHPAGE' />
1744: </resource>
1745: </state>
1746:
1747: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1748: <message>(mark them then click "next" button) <br /></message>
1749: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1750: closeallpages="1">
1751: <nextstate>PAGESIZE</nextstate>
1752: <filterfunc>return $isNotMap;</filterfunc>
1753: <mapurl>$map</mapurl>
1754: <valuefunc>return $symbFilter;</valuefunc>
1755: <option text='Newpage' variable='FINISHPAGE' />
1756: </resource>
1757: </state>
1758: HELPERFRAGMENT
1759:
1760: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1761: }
1762:
1763: # If the user is privileged, allow them to print all
1764: # problems and resources in the entier course, optionally for selected students
1765: if ($userPriviledged &&
1766: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
1767:
1768: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1769: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
1770: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1771: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1772: <message>(mark them then click "next" button) <br /></message>
1773: <resource variable="RESOURCES" toponly='0' multichoice="1"
1774: suppressEmptySequences='0' addstatus="1" closeallpages="1">
1775: <nextstate>PAGESIZE</nextstate>
1776: <filterfunc>return $isProblemOrMap;</filterfunc>
1777: <choicefunc>return $isNotMap;</choicefunc>
1778: <valuefunc>return $symbFilter;</valuefunc>
1779: <option text='Newpage' variable='FINISHPAGE' />
1780: </resource>
1781: </state>
1782: <state name="ALL_RESOURCES" title="Select Resource(s) to print">
1783: <message>(Mark them then click "next" button) <br /> </message>
1784: <resource variable="RESOURCES" toponly='0' multichoice='1'
1785: suppressEmptySequences='0' addstatus='1' closeallpages='1'>
1786: <nextstate>PAGESIZE</nextstate>
1787: <filterfunc>return $isNotMap; </filterfunc>
1788: <mapurl> $map</mapursl>
1789: <valuefunc>return $symbFilter;</valuefunc>
1790: <option text='NewPage' variable='FINISHPAGE' />
1791: </resource>
1792: </state>
1793: ALL_PROBLEMS
1794:
1795: if ($helper->{VARS}->{'assignment'}) {
1796: 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'];
1797: 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'];
1798: }
1799: my $resource_selector=<<RESOURCE_SELECTOR;
1800: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1801: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1802: closeallpages="1">
1803: <filterfunc>return $isProblem;</filterfunc>
1804: <mapurl>$map</mapurl>
1805: <valuefunc>return $symbFilter;</valuefunc>
1806: <option text='New Page' variable='FINISHPAGE' />
1807: </resource>
1808: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1809: <choices variable="EMPTY_PAGES">
1810: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1811: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1812: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1813: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1814: </choices>
1815: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1816: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1817: RESOURCE_SELECTOR
1818:
1819: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1820: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1821: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1822: <message><b>Select sort order</b> </message>
1823: <choices variable='student_sort'>
1824: <choice computer='0'>Sort by section then student</choice>
1825: <choice computer='1'>Sort by students across sections.</choice>
1826: </choices>
1827: $resource_selector
1828: </state>
1829: CHOOSE_STUDENTS
1830:
1831: my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1832: my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1833: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
1834: my $namechoice='<choice></choice>';
1835: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1836: if ($name =~ /^error: 2 /) { next; }
1837: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
1838: }
1839: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
1840: <state name="CHOOSE_ANON1" title="Select Students and Resources">
1841: <nextstate>PAGESIZE</nextstate>
1842: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1843: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1844: <message><br /><b>Names to store the CODEs under for later:</b></message>
1845: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1846: <message><hr width='33%' /></message>
1847: <message><b>Reprint a set of saved CODEs:</b></message>
1848: <dropdown variable="REUSE_OLD_CODES">
1849: $namechoice
1850: </dropdown>
1851: <message><hr width='33%' /></message>
1852: $resource_selector
1853: </state>
1854: CHOOSE_ANON1
1855:
1856:
1857: if ($helper->{VARS}->{'assignment'}) {
1858: 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'];
1859: 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'];
1860: }
1861:
1862:
1863: $resource_selector=<<RESOURCE_SELECTOR;
1864: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1865: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1866: closeallpages="1">
1867: <filterfunc>return $isNotMap;</filterfunc>
1868: <mapurl>$map</mapurl>
1869: <valuefunc>return $symbFilter;</valuefunc>
1870: <option text='Newpage' variable='FINISHPAGE' />
1871: </resource>
1872: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1873: <choices variable="EMPTY_PAGES">
1874: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1875: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1876: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1877: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1878: </choices>
1879: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1880: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1881: RESOURCE_SELECTOR
1882:
1883: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
1884: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1885: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1886: <choices variable='student_sort'>
1887: <choice computer='0'>Sort by section then student</choice>
1888: <choice computer='1'>Sort by students across sections.</choice>
1889: </choices>
1890:
1891: $resource_selector
1892: </state>
1893: CHOOSE_STUDENTS1
1894:
1895: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1896: <state name="CHOOSE_ANON2" title="Select Students and Resources">
1897: <nextstate>PAGESIZE</nextstate>
1898: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1899: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1900: <message><br /><b>Names to store the CODEs under for later:</b></message>
1901: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1902: <message><hr width='33%' /></message>
1903: <message><b>Reprint a set of saved CODEs:</b></message>
1904: <dropdown variable="REUSE_OLD_CODES">
1905: $namechoice
1906: </dropdown>
1907: <message><hr width='33%' /></message>
1908: $resource_selector
1909: </state>
1910: CHOOSE_ANON2
1911: }
1912:
1913: # FIXME: That RE should come from a library somewhere.
1914: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
1915: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1916:
1917: my $f = '$filename';
1918: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1919: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1920: <message>(mark them then click "next" button) <br /></message>
1921: <files variable="FILES" multichoice='1'>
1922: <nextstate>PAGESIZE</nextstate>
1923: <filechoice>return '$subdir';</filechoice>
1924: CHOOSE_FROM_SUBDIR
1925:
1926: # this is broken up because I really want interpolation above,
1927: # and I really DON'T want it below
1928: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1929: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1930: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1931: </filefilter>
1932: </files>
1933: </state>
1934: CHOOSE_FROM_SUBDIR
1935: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1936: }
1937:
1938: # Allow the user to select any sequence in the course, feed it to
1939: # another resource selector for that sequence
1940: if (!$helper->{VARS}->{'construction'}) {
1941: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1942: 'select_sequences', 'CHOOSE_SEQUENCE'];
1943: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
1944: #Escape apostrophes and backslashes for Perl
1945: $escapedSequenceName =~ s/\\/\\\\/g;
1946: $escapedSequenceName =~ s/'/\\'/g;
1947: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1948: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
1949: <message>Select the sequence to print resources from:</message>
1950: <resource variable="SEQUENCE">
1951: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1952: <filterfunc>return \$res->is_sequence;</filterfunc>
1953: <valuefunc>return $urlValue;</valuefunc>
1954: <option text='Newpage' variable='FINISHPAGE' />
1955: </resource>
1956: </state>
1957: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
1958: <message>(mark desired resources then click "next" button) <br /></message>
1959: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1960: closeallpages="1">
1961: <nextstate>PAGESIZE</nextstate>
1962: <filterfunc>return $isProblem</filterfunc>
1963: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1964: <valuefunc>return $symbFilter;</valuefunc>
1965: <option text='Newpage' variable='FINISHPAGE' />
1966: </resource>
1967: </state>
1968: CHOOSE_FROM_ANY_SEQUENCE
1969: }
1970:
1971: # Generate the first state, to select which resources get printed.
1972: Apache::lonhelper::state->new("START", "Select Printing Options:");
1973: $paramHash = Apache::lonhelper::getParamHash();
1974: $paramHash->{MESSAGE_TEXT} = "";
1975: Apache::lonhelper::message->new();
1976: $paramHash = Apache::lonhelper::getParamHash();
1977: $paramHash->{'variable'} = 'PRINT_TYPE';
1978: $helper->declareVar('PRINT_TYPE');
1979: $paramHash->{CHOICES} = $printChoices;
1980: Apache::lonhelper::choices->new();
1981:
1982: my $startedTable = 0; # have we started an HTML table yet? (need
1983: # to close it later)
1984:
1985: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1986: ($helper->{VARS}->{'construction'} eq '1')) {
1987: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1988: $paramHash = Apache::lonhelper::getParamHash();
1989: $paramHash->{'variable'} = 'ANSWER_TYPE';
1990: $helper->declareVar('ANSWER_TYPE');
1991: $paramHash->{CHOICES} = [
1992: ['Without Answers', 'yes'],
1993: ['With Answers', 'no'],
1994: ['Only Answers', 'only'],
1995: ['As Exam Problem', 'exam']
1996: ];
1997: Apache::lonhelper::dropdown->new();
1998: addMessage("</td></tr>");
1999: $startedTable = 1;
2000: }
2001:
2002: if ($ENV{'request.role.adv'}) {
2003: if (!$startedTable) {
2004: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
2005: $startedTable = 1;
2006: } else {
2007: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
2008: }
2009: $paramHash = Apache::lonhelper::getParamHash();
2010: $paramHash->{'variable'} = 'LATEX_TYPE';
2011: $helper->declareVar('LATEX_TYPE');
2012: if ($helper->{VARS}->{'construction'} eq '1') {
2013: $paramHash->{CHOICES} = [
2014: ['standard LaTeX mode', 'standard'],
2015: ['LaTeX batchmode', 'batchmode'], ];
2016: } else {
2017: $paramHash->{CHOICES} = [
2018: ['LaTeX batchmode', 'batchmode'],
2019: ['standard LaTeX mode', 'standard'] ];
2020: }
2021: Apache::lonhelper::dropdown->new();
2022:
2023: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
2024: $paramHash = Apache::lonhelper::getParamHash();
2025: $paramHash->{'variable'} = 'TABLE_CONTENTS';
2026: $helper->declareVar('TABLE_CONTENTS');
2027: $paramHash->{CHOICES} = [
2028: ['No', 'no'],
2029: ['Yes', 'yes'] ];
2030: Apache::lonhelper::dropdown->new();
2031: addMessage("</td></tr>");
2032:
2033: if (not $helper->{VARS}->{'construction'}) {
2034: addMessage("<tr><td align='right'>Print Index: </td><td>");
2035: $paramHash = Apache::lonhelper::getParamHash();
2036: $paramHash->{'variable'} = 'TABLE_INDEX';
2037: $helper->declareVar('TABLE_INDEX');
2038: $paramHash->{CHOICES} = [
2039: ['No', 'no'],
2040: ['Yes', 'yes'] ];
2041: Apache::lonhelper::dropdown->new();
2042: addMessage("</td></tr>");
2043: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
2044: $paramHash = Apache::lonhelper::getParamHash();
2045: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
2046: $helper->declareVar('PRINT_DISCUSSIONS');
2047: $paramHash->{CHOICES} = [
2048: ['No', 'no'],
2049: ['Yes', 'yes'] ];
2050: Apache::lonhelper::dropdown->new();
2051: addMessage("</td></tr>");
2052: }
2053:
2054: if ($helper->{'VARS'}->{'construction'}) {
2055: my $stylevalue=$ENV{'construct.style'};
2056: my $xmlfrag .= <<"RNDSEED";
2057: <message><tr><td align='right'>Use random seed: </td><td></message>
2058: <string variable="curseed" size="15" maxlength="15">
2059: <defaultvalue>
2060: return $helper->{VARS}->{'curseed'};
2061: </defaultvalue>
2062: </string>
2063: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
2064: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
2065: <message></td></tr></message>
2066: RNDSEED
2067: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
2068: $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
2069: }
2070: }
2071:
2072:
2073:
2074:
2075: if ($startedTable) {
2076: addMessage("</table>");
2077: }
2078:
2079: Apache::lonprintout::page_format_state->new("FORMAT");
2080:
2081: # Generate the PAGESIZE state which will offer the user the margin
2082: # choices if they select one column
2083: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
2084: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
2085:
2086:
2087: $helper->process();
2088:
2089: # MANUAL BAILOUT CONDITION:
2090: # If we're in the "final" state, bailout and return to handler
2091: if ($helper->{STATE} eq 'FINAL') {
2092: return $helper;
2093: }
2094:
2095: $r->print($helper->display());
2096:
2097: &Apache::lonhelper::unregisterHelperTags();
2098:
2099: return OK;
2100: }
2101:
2102:
2103: 1;
2104:
2105: package Apache::lonprintout::page_format_state;
2106:
2107: =pod
2108:
2109: =head1 Helper element: page_format_state
2110:
2111: See lonhelper.pm documentation for discussion of the helper framework.
2112:
2113: Apache::lonprintout::page_format_state is an element that gives the
2114: user an opportunity to select the page layout they wish to print
2115: with: Number of columns, portrait/landscape, and paper size. If you
2116: want to change the paper size choices, change the @paperSize array
2117: contents in this package.
2118:
2119: page_format_state is always directly invoked in lonprintout.pm, so there
2120: is no tag interface. You actually pass parameters to the constructor.
2121:
2122: =over 4
2123:
2124: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2125:
2126: =back
2127:
2128: =cut
2129:
2130: use Apache::lonhelper;
2131:
2132: no strict;
2133: @ISA = ("Apache::lonhelper::element");
2134: use strict;
2135: use Apache::lonlocal;
2136:
2137: my $maxColumns = 2;
2138: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2139: "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2140: "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2141: "a5 [148x210 mm]", "a6 [105x148 mm]" );
2142:
2143: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2144: # Paper type
2145:
2146: sub new {
2147: my $self = Apache::lonhelper::element->new();
2148:
2149: shift;
2150:
2151: $self->{'variable'} = shift;
2152: my $helper = Apache::lonhelper::getHelper();
2153: $helper->declareVar($self->{'variable'});
2154: bless($self);
2155: return $self;
2156: }
2157:
2158: sub render {
2159: my $self = shift;
2160: my $helper = Apache::lonhelper::getHelper();
2161: my $result = '';
2162: my $var = $self->{'variable'};
2163: my $PageLayout=&mt('Page layout');
2164: my $NumberOfColumns=&mt('Number of columns');
2165: my $PaperType=&mt('Paper type');
2166: $result .= <<STATEHTML;
2167:
2168: <hr width="33%" />
2169: <table cellpadding="3">
2170: <tr>
2171: <td align="center"><b>$PageLayout</b></td>
2172: <td align="center"><b>$NumberOfColumns</b></td>
2173: <td align="center"><b>$PaperType</b></td>
2174: </tr>
2175: <tr>
2176: <td>
2177: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
2178: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
2179: </td>
2180: <td align="center">
2181: <select name="${var}.cols">
2182: STATEHTML
2183:
2184: my $i;
2185: for ($i = 1; $i <= $maxColumns; $i++) {
2186: if ($i == 2) {
2187: $result .= "<option value='$i' selected>$i</option>\n";
2188: } else {
2189: $result .= "<option value='$i'>$i</option>\n";
2190: }
2191: }
2192:
2193: $result .= "</select></td><td>\n";
2194: $result .= "<select name='${var}.paper'>\n";
2195:
2196: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
2197: my $DefaultPaperSize=$parmhash{'default_paper_size'};
2198: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2199: $i = 0;
2200: foreach (@paperSize) {
2201: $_=~/(\w+)/;
2202: my $papersize=$1;
2203: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2204: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2205: } else {
2206: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2207: }
2208: $i++;
2209: }
2210: $result .= "</select></td></tr></table>";
2211: return $result;
2212: }
2213:
2214: sub postprocess {
2215: my $self = shift;
2216:
2217: my $var = $self->{'variable'};
2218: my $helper = Apache::lonhelper->getHelper();
2219: $helper->{VARS}->{$var} =
2220: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
2221: $ENV{"form.$var.paper"};
2222: return 1;
2223: }
2224:
2225: 1;
2226:
2227: package Apache::lonprintout::page_size_state;
2228:
2229: =pod
2230:
2231: =head1 Helper element: page_size_state
2232:
2233: See lonhelper.pm documentation for discussion of the helper framework.
2234:
2235: Apache::lonprintout::page_size_state is an element that gives the
2236: user the opportunity to further refine the page settings if they
2237: select a single-column page.
2238:
2239: page_size_state is always directly invoked in lonprintout.pm, so there
2240: is no tag interface. You actually pass parameters to the constructor.
2241:
2242: =over 4
2243:
2244: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2245:
2246: =back
2247:
2248: =cut
2249:
2250: use Apache::lonhelper;
2251:
2252: no strict;
2253: @ISA = ("Apache::lonhelper::element");
2254: use strict;
2255:
2256:
2257:
2258: sub new {
2259: my $self = Apache::lonhelper::element->new();
2260:
2261: shift; # disturbs me (probably prevents subclassing) but works (drops
2262: # package descriptor)... - Jeremy
2263:
2264: $self->{'variable'} = shift;
2265: my $helper = Apache::lonhelper::getHelper();
2266: $helper->declareVar($self->{'variable'});
2267:
2268: # The variable name of the format element, so we can look into
2269: # $helper->{VARS} to figure out whether the columns are one or two
2270: $self->{'formatvar'} = shift;
2271:
2272: # The state to transition to after selection, or after discovering
2273: # the cols are not set to 1
2274: $self->{NEXTSTATE} = shift;
2275: bless($self);
2276: return $self;
2277: }
2278:
2279: sub render {
2280: my $self = shift;
2281: my $helper = Apache::lonhelper::getHelper();
2282: my $result = '';
2283: my $var = $self->{'variable'};
2284:
2285: if (defined $self->{ERROR_MSG}) {
2286: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2287: }
2288:
2289: $result .= <<ELEMENTHTML;
2290:
2291: <p>How should the column be formatted?</p>
2292:
2293: <table cellpadding='3'>
2294: <tr>
2295: <td align='right'><b>Width</b>:</td>
2296: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2297: <td align='left'>
2298: <select name='$var.widthunit'>
2299: <option>cm</option><option>in</option>
2300: </select>
2301: </td>
2302: </tr>
2303: <tr>
2304: <td align='right'><b>Height</b>:</td>
2305: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2306: <td align='left'>
2307: <select name='$var.heightunit'>
2308: <option>cm</option><option>in</option>
2309: </select>
2310: </td>
2311: </tr>
2312: <tr>
2313: <td align='right'><b>Left margin</b>:</td>
2314: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2315: <td align='left'>
2316: <select name='$var.lmarginunit'>
2317: <option>cm</option><option>in</option>
2318: </select>
2319: </td>
2320: </tr>
2321: </table>
2322:
2323: <p>Hint: Some instructors like to leave scratch space for the student by
2324: making the width much smaller than the width of the page.</p>
2325:
2326: ELEMENTHTML
2327:
2328: return $result;
2329: }
2330:
2331: # If the user didn't select 1 column, skip this state.
2332: sub preprocess {
2333: my $self = shift;
2334: my $helper = Apache::lonhelper::getHelper();
2335:
2336: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2337: if (substr($format, 2, 1) ne '1') {
2338: $helper->changeState($self->{NEXTSTATE});
2339: }
2340:
2341: return 1;
2342: }
2343:
2344: sub postprocess {
2345: my $self = shift;
2346:
2347: my $var = $self->{'variable'};
2348: my $helper = Apache::lonhelper->getHelper();
2349: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
2350: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
2351: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
2352: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
2353: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
2354: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
2355:
2356: my $error = '';
2357:
2358: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2359: # by an optional period, followed by digits, ending the string
2360:
2361: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2362: $error .= "Invalid width; please type only a number.<br />\n";
2363: }
2364: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2365: $error .= "Invalid height; please type only a number.<br />\n";
2366: }
2367: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2368: $error .= "Invalid left margin; please type only a number.<br />\n";
2369: }
2370:
2371: if (!$error) {
2372: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2373: return 1;
2374: } else {
2375: $self->{ERROR_MSG} = $error;
2376: return 0;
2377: }
2378: }
2379:
2380:
2381:
2382: __END__
2383:
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