1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.340 2004/12/13 22:24:03 foxr Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
29: package Apache::lonprintout;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonxml;
34: use Apache::lonnet;
35: use Apache::loncommon;
36: use Apache::inputtags;
37: use Apache::grades;
38: use Apache::edit;
39: use Apache::File();
40: use Apache::lonnavmaps;
41: use Apache::lonratedt;
42: use POSIX qw(strftime);
43: use Apache::lonlocal;
44:
45: my $LaTeXwidth = 0;
46:
47:
48: sub latex_header_footer_remove {
49: my $text = shift;
50: $text =~ s/\\end{document}//;
51: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
52: return $text;
53: }
54:
55:
56: sub character_chart {
57: my $result = shift;
58: $result =~ s/&\#0?0?(7|9);//g;
59: $result =~ s/&\#0?(10|13);//g;
60: $result =~ s/&\#0?32;/ /g;
61: $result =~ s/&\#0?33;/!/g;
62: $result =~ s/&(\#0?34|quot);/\"/g;
63: $result =~ s/&\#0?35;/\\\#/g;
64: $result =~ s/&\#0?36;/\\\$/g;
65: $result =~ s/&\#0?37;/\\%/g;
66: $result =~ s/&(\#0?38|amp);/\\&/g;
67: $result =~ s/&\#(0?39|146);/\'/g;
68: $result =~ s/&\#0?40;/(/g;
69: $result =~ s/&\#0?41;/)/g;
70: $result =~ s/&\#0?42;/\*/g;
71: $result =~ s/&\#0?43;/\+/g;
72: $result =~ s/&\#(0?44|130);/,/g;
73: $result =~ s/&\#0?45;/-/g;
74: $result =~ s/&\#0?46;/\./g;
75: $result =~ s/&\#0?47;/\//g;
76: $result =~ s/&\#0?48;/0/g;
77: $result =~ s/&\#0?49;/1/g;
78: $result =~ s/&\#0?50;/2/g;
79: $result =~ s/&\#0?51;/3/g;
80: $result =~ s/&\#0?52;/4/g;
81: $result =~ s/&\#0?53;/5/g;
82: $result =~ s/&\#0?54;/6/g;
83: $result =~ s/&\#0?55;/7/g;
84: $result =~ s/&\#0?56;/8/g;
85: $result =~ s/&\#0?57;/9/g;
86: $result =~ s/&\#0?58;/:/g;
87: $result =~ s/&\#0?59;/;/g;
88: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
89: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
90: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
91: $result =~ s/&\#0?63;/\?/g;
92: $result =~ s/&\#0?65;/A/g;
93: $result =~ s/&\#0?66;/B/g;
94: $result =~ s/&\#0?67;/C/g;
95: $result =~ s/&\#0?68;/D/g;
96: $result =~ s/&\#0?69;/E/g;
97: $result =~ s/&\#0?70;/F/g;
98: $result =~ s/&\#0?71;/G/g;
99: $result =~ s/&\#0?72;/H/g;
100: $result =~ s/&\#0?73;/I/g;
101: $result =~ s/&\#0?74;/J/g;
102: $result =~ s/&\#0?75;/K/g;
103: $result =~ s/&\#0?76;/L/g;
104: $result =~ s/&\#0?77;/M/g;
105: $result =~ s/&\#0?78;/N/g;
106: $result =~ s/&\#0?79;/O/g;
107: $result =~ s/&\#0?80;/P/g;
108: $result =~ s/&\#0?81;/Q/g;
109: $result =~ s/&\#0?82;/R/g;
110: $result =~ s/&\#0?83;/S/g;
111: $result =~ s/&\#0?84;/T/g;
112: $result =~ s/&\#0?85;/U/g;
113: $result =~ s/&\#0?86;/V/g;
114: $result =~ s/&\#0?87;/W/g;
115: $result =~ s/&\#0?88;/X/g;
116: $result =~ s/&\#0?89;/Y/g;
117: $result =~ s/&\#0?90;/Z/g;
118: $result =~ s/&\#0?91;/[/g;
119: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
120: $result =~ s/&\#0?93;/]/g;
121: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
122: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
123: $result =~ s/&\#(0?96|145);/\`/g;
124: $result =~ s/&\#0?97;/a/g;
125: $result =~ s/&\#0?98;/b/g;
126: $result =~ s/&\#0?99;/c/g;
127: $result =~ s/&\#100;/d/g;
128: $result =~ s/&\#101;/e/g;
129: $result =~ s/&\#102;/f/g;
130: $result =~ s/&\#103;/g/g;
131: $result =~ s/&\#104;/h/g;
132: $result =~ s/&\#105;/i/g;
133: $result =~ s/&\#106;/j/g;
134: $result =~ s/&\#107;/k/g;
135: $result =~ s/&\#108;/l/g;
136: $result =~ s/&\#109;/m/g;
137: $result =~ s/&\#110;/n/g;
138: $result =~ s/&\#111;/o/g;
139: $result =~ s/&\#112;/p/g;
140: $result =~ s/&\#113;/q/g;
141: $result =~ s/&\#114;/r/g;
142: $result =~ s/&\#115;/s/g;
143: $result =~ s/&\#116;/t/g;
144: $result =~ s/&\#117;/u/g;
145: $result =~ s/&\#118;/v/g;
146: $result =~ s/&\#119;/w/g;
147: $result =~ s/&\#120;/x/g;
148: $result =~ s/&\#121;/y/g;
149: $result =~ s/&\#122;/z/g;
150: $result =~ s/&\#123;/\\{/g;
151: $result =~ s/&\#124;/\|/g;
152: $result =~ s/&\#125;/\\}/g;
153: $result =~ s/&\#126;/\~/g;
154: $result =~ s/&\#131;/\\textflorin /g;
155: $result =~ s/&\#132;/\"/g;
156: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
157: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
158: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
159: $result =~ s/&\#137;/\\textperthousand /g;
160: $result =~ s/&\#140;/{\\OE}/g;
161: $result =~ s/&\#147;/\`\`/g;
162: $result =~ s/&\#148;/\'\'/g;
163: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
164: $result =~ s/&\#150;/--/g;
165: $result =~ s/&\#151;/---/g;
166: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
167: $result =~ s/&\#153;/\\texttrademark /g;
168: $result =~ s/&\#156;/\\oe/g;
169: $result =~ s/&\#159;/\\\"Y/g;
170: $result =~ s/&(\#160|nbsp);/~/g;
171: $result =~ s/&(\#161|iexcl);/!\`/g;
172: $result =~ s/&(\#162|cent);/\\textcent /g;
173: $result =~ s/&(\#163|pound);/\\pounds /g;
174: $result =~ s/&(\#164|curren);/\\textcurrency /g;
175: $result =~ s/&(\#165|yen);/\\textyen /g;
176: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
177: $result =~ s/&(\#167|sect);/\\textsection /g;
178: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
179: $result =~ s/&(\#169|copy);/\\copyright /g;
180: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
181: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
182: $result =~ s/&(\#173|shy);/ - /g;
183: $result =~ s/&(\#174|reg);/\\textregistered /g;
184: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
185: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
186: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
187: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
188: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
189: $result =~ s/&(\#180|acute);/\\textacute /g;
190: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
191: $result =~ s/&(\#182|para);/\\P/g;
192: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
193: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
194: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
195: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
196: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
197: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
198: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
199: $result =~ s/&(\#191|iquest);/?\`/g;
200: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
201: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
202: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
203: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
204: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
205: $result =~ s/&(\#197|Aring);/{\\AA}/g;
206: $result =~ s/&(\#198|AElig);/{\\AE}/g;
207: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
208: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
209: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
210: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
211: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
212: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
213: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
214: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
215: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
216: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
217: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
218: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
219: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
220: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
221: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
222: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
223: $result =~ s/&(\#216|Oslash);/{\\O}/g;
224: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
225: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
226: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
227: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
228: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
229: $result =~ s/&(\#223|szlig);/{\\ss}/g;
230: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
231: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
232: $result =~ s/&(\#226|acirc);/\\^{a}/g;
233: $result =~ s/&(\#227|atilde);/\\~{a}/g;
234: $result =~ s/&(\#228|auml);/\\\"{a}/g;
235: $result =~ s/&(\#229|aring);/{\\aa}/g;
236: $result =~ s/&(\#230|aelig);/{\\ae}/g;
237: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
238: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
239: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
240: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
241: $result =~ s/&(\#235|euml);/\\\"{e}/g;
242: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
243: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
244: $result =~ s/&(\#238|icirc);/\\^{i}/g;
245: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
246: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
247: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
248: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
249: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
250: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
251: $result =~ s/&(\#245|otilde);/\\~{o}/g;
252: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
253: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
254: $result =~ s/&(\#248|oslash);/{\\o}/g;
255: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
256: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
257: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
258: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
259: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
260: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
261: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
262: #Greek Alphabet
263: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
264: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
265: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
266: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
267: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
268: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
269: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
270: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
271: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
272: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
273: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
274: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
275: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
276: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
277: $result =~ s/&(omicron|\#959);/o/g;
278: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
279: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
280: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
281: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
282: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
283: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
284: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
285: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
286: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
287: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
288: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
289: $result =~ s/&(Alpha|\#913);/A/g;
290: $result =~ s/&(Beta|\#914);/B/g;
291: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
292: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
293: $result =~ s/&(Epsilon|\#917);/E/g;
294: $result =~ s/&(Zeta|\#918);/Z/g;
295: $result =~ s/&(Eta|\#919);/H/g;
296: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
297: $result =~ s/&(Iota|\#921);/I/g;
298: $result =~ s/&(Kappa|\#922);/K/g;
299: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
300: $result =~ s/&(Mu|\#924);/M/g;
301: $result =~ s/&(Nu|\#925);/N/g;
302: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
303: $result =~ s/&(Omicron|\#927);/O/g;
304: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
305: $result =~ s/&(Rho|\#929);/P/g;
306: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
307: $result =~ s/&(Tau|\#932);/T/g;
308: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
309: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
310: $result =~ s/&(Chi|\#935);/X/g;
311: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
312: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
313: #Arrows (extended HTML 4.01)
314: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
315: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
316: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
317: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
318: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
319: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
320: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
321: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
322: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
323: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
324: #Mathematical Operators (extended HTML 4.01)
325: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
326: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
327: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
328: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
329: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
330: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
331: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
332: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
333: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
334: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
335: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
336: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
337: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
338: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
339: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
340: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
341: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
342: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
343: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
344: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
345: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
346: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
347: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
348: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
349: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
350: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
351: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
352: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
353: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
354: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
355: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
356: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
357: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
358: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
359: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
360: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
361: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
362: #Geometric Shapes (extended HTML 4.01)
363: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
364: #Miscellaneous Symbols (extended HTML 4.01)
365: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
366: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
367: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
368: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
369: return $result;
370: }
371:
372:
373: #width, height, oddsidemargin, evensidemargin, topmargin
374: my %page_formats=
375: ('letter' => {
376: 'book' => {
377: '1' => [ '7.1 in','10.2 in', '-0.57 in','-0.57 in','1 cm'],
378: '2' => ['3.66 in','10.2 in', '-0.57 in','-0.57 in','1 cm']
379: },
380: 'album' => {
381: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'],
382: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
383: },
384: },
385: 'legal' => {
386: 'book' => {
387: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
388: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
389: },
390: 'album' => {
391: '1' => [],
392: '2' => []
393: },
394: },
395: 'tabloid' => {
396: 'book' => {
397: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
398: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
399: },
400: 'album' => {
401: '1' => [],
402: '2' => []
403: },
404: },
405: 'executive' => {
406: 'book' => {
407: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
408: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
409: },
410: 'album' => {
411: '1' => [],
412: '2' => []
413: },
414: },
415: 'a2' => {
416: 'book' => {
417: '1' => [],
418: '2' => []
419: },
420: 'album' => {
421: '1' => [],
422: '2' => []
423: },
424: },
425: 'a3' => {
426: 'book' => {
427: '1' => [],
428: '2' => []
429: },
430: 'album' => {
431: '1' => [],
432: '2' => []
433: },
434: },
435: 'a4' => {
436: 'book' => {
437: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
438: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
439: },
440: 'album' => {
441: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
442: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
443: },
444: },
445: 'a5' => {
446: 'book' => {
447: '1' => [],
448: '2' => []
449: },
450: 'album' => {
451: '1' => [],
452: '2' => []
453: },
454: },
455: 'a6' => {
456: 'book' => {
457: '1' => [],
458: '2' => []
459: },
460: 'album' => {
461: '1' => [],
462: '2' => []
463: },
464: },
465: );
466:
467: sub page_format {
468: #
469: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
470: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
471: # "A2 [420x594 mm]", "A3 [297x420 mm]",
472: # "A4 [210x297 mm]", "A5 [148x210 mm]",
473: # "A6 [105x148 mm]"
474: #
475: my ($papersize,$layout,$numberofcolumns) = @_;
476: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
477: }
478:
479:
480: sub get_name {
481: my ($uname,$udom)=@_;
482: if (!defined($uname)) { $uname=$ENV{'user.name'}; }
483: if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
484: my $plainname=&Apache::loncommon::plainname($uname,$udom);
485: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
486: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
487: return $plainname;
488: }
489:
490: sub get_course {
491: my $courseidinfo;
492: if (defined($ENV{'request.course.id'})) {
493: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
494: }
495: return $courseidinfo;
496: }
497:
498: sub page_format_transformation {
499: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
500: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
501: if ($selectionmade eq '4') {
502: $assignment='Problems from the Whole Course';
503: } else {
504: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
505: }
506: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
507: my $name = &get_name();
508: my $courseidinfo = &get_course();
509: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
510: my $topmargintoinsert = '';
511: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
512: my $fancypagestatement='';
513: if ($numberofcolumns eq '2') {
514: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
515: } else {
516: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
517: }
518: if ($layout eq 'album') {
519: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
520: } elsif ($layout eq 'book') {
521: if ($choice ne 'All class print') {
522: $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/;
523: } else {
524: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /;
525: }
526: if ($papersize eq 'a4') {
527: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
528: }
529: }
530: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
531: if ($indexlist eq 'yes') {
532: $text=~s/(\\begin{document})/\\makeindex $1/;
533: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
534: }
535: return $text;
536: }
537:
538:
539: sub page_cleanup {
540: my $result = shift;
541:
542: $result =~ m/\\end{document}(\d*)$/;
543: my $number_of_columns = $1;
544: my $insert = '{';
545: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
546: $insert .= '}';
547: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
548: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
549: return $result,$number_of_columns;
550: }
551:
552:
553: sub details_for_menu {
554: my ($helper)=@_;
555: my $postdata=$ENV{'form.postdata'};
556: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
557: my $name_of_resource = &Apache::lonnet::gettitle($postdata);
558: my $symbolic = &Apache::lonnet::symbread($postdata);
559: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
560: $map=&Apache::lonnet::clutter($map);
561: my $name_of_sequence = &Apache::lonnet::gettitle($map);
562: if ($name_of_sequence =~ /^\s*$/) {
563: $map =~ m|([^/]+)$|;
564: $name_of_sequence = $1;
565: }
566: my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'});
567: if ($name_of_map =~ /^\s*$/) {
568: $ENV{'request.course.uri'} =~ m|([^/]+)$|;
569: $name_of_map = $1;
570: }
571: return ($name_of_resource,$name_of_sequence,$name_of_map);
572: }
573:
574:
575: sub latex_corrections {
576:
577: my ($number_of_columns,$result,$selectionmade) = @_;
578:
579: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
580: $result =~ s/\$number_of_columns/$number_of_columns/g;
581: if ($selectionmade ne '1') {
582: $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/;
583: } else {
584: $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/;
585: }
586: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
587: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
588: #-- LaTeX corrections
589: my $first_comment = index($result,'<!--',0);
590: while ($first_comment != -1) {
591: my $end_comment = index($result,'-->',$first_comment);
592: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
593: $first_comment = index($result,'<!--',$first_comment);
594: }
595: $result =~ s/^\s+$//gm; #remove empty lines
596: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
597: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
598: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
599: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
600: $result =~ s/\\\\\s+\[/ \[/g;
601: #conversion of html characters to LaTeX equivalents
602: if ($result =~ m/&(\w+|#\d+);/) {
603: $result = &character_chart($result);
604: }
605: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
606: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
607:
608: return $result;
609: }
610:
611:
612: sub index_table {
613: my $currentURL = shift;
614: my $insex_string='';
615: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
616: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
617: return $insex_string;
618: }
619:
620:
621: sub IndexCreation {
622: my ($texversion,$currentURL)=@_;
623: my @key_words=split(/,/,&index_table($currentURL));
624: my $chunk='';
625: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
626: if ($st>0) {
627: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
628: $chunk=substr($texversion,0,$st+1);
629: substr($texversion,0,$st+1)=' ';
630: }
631: foreach my $key_word (@key_words) {
632: if ($key_word=~/\S+/) {
633: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
634: }
635: }
636: if ($st>0) {substr($texversion,0,1)=$chunk;}
637: return $texversion;
638: }
639:
640: sub print_latex_header {
641: my $mode=shift;
642: my $output='\documentclass[letterpaper]{article}';
643: if ($mode eq 'batchmode') {
644: $output.='\batchmode';
645: }
646: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
647: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
648: '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'."\n".
649: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
650: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
651: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
652: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
653: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
654: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
655: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
656: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
657: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
658: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
659: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
660: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
661: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
662: return $output;
663: }
664:
665: sub path_to_problem {
666: my ($urlp,$colwidth)=@_;
667: my $newurlp = '';
668: $colwidth=~s/\s*mm\s*$//;
669: #characters average about 2 mm in width
670: if (length($urlp)*2 > $LaTeXwidth) {
671: my @elements = split '/',$urlp;
672: my $curlength=0;
673: foreach my $element (@elements) {
674: if ($curlength+(length($element)*2) > $colwidth) {
675: $newurlp .= '|\vskip -1 mm \noindent \verb|';
676: $curlength=0;
677: } else {
678: $curlength+=length($element)*2;
679: }
680: $newurlp.='/'.$element;
681: }
682: } else {
683: $newurlp=$urlp;
684: }
685: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
686: }
687:
688: sub recalcto_mm {
689: my $textwidth=shift;
690: my $LaTeXwidth;
691: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
692: $LaTeXwidth = $1*10;
693: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
694: $LaTeXwidth = $1;
695: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
696: $LaTeXwidth = $1*25.4;
697: }
698: $LaTeXwidth.=' mm';
699: return $LaTeXwidth;
700: }
701:
702: sub get_textwidth {
703: my ($helper,$LaTeXwidth)=@_;
704: my $textwidth=$LaTeXwidth;
705: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
706: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
707: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
708: $helper->{'VARS'}->{'pagesize.widthunit'});
709: }
710: return $textwidth;
711: }
712:
713:
714: sub unsupported {
715: my ($currentURL,$mode)=@_;
716: if ($mode ne '') {$mode='\\'.$mode}
717: my $result.= &print_latex_header($mode);
718: if ($currentURL=~/\/ext\//) {
719: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
720: } else {
721: $result.=$currentURL;
722: }
723: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
724: return $result;
725: }
726:
727:
728: sub output_data {
729: my ($r,$helper,$rparmhash) = @_;
730: my %parmhash = %$rparmhash;
731: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
732: $r->print(<<ENDPART);
733: <html>
734: <script type="text/javascript" language="Javascript" >
735: var editbrowser;
736: function openbrowser(formname,elementname,only,omit) {
737: var url = '/res/?';
738: if (editbrowser == null) {
739: url += 'launch=1&';
740: }
741: url += 'catalogmode=interactive&';
742: url += 'mode=parmset&';
743: url += 'form=' + formname + '&';
744: if (only != null) {
745: url += 'only=' + only + '&';
746: }
747: if (omit != null) {
748: url += 'omit=' + omit + '&';
749: }
750: url += 'element=' + elementname + '';
751: var title = 'Browser';
752: var options = 'scrollbars=1,resizable=1,menubar=0';
753: options += ',width=700,height=600';
754: editbrowser = open(url,title,options,'1');
755: editbrowser.focus();
756: }
757: </script>
758: <head>
759: <title>LON-CAPA output for printing</title>
760: </head>
761: $bodytag
762: Please stand by while processing your print request, this may take some time ...
763: ENDPART
764:
765: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
766: my ($result,$selectionmade) = ('','');
767: my $number_of_columns = 1; #used only for pages to determine the width of the cell
768: my @temporary_array=split /\|/,$format_from_helper;
769: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
770: if ($laystyle eq 'L') {
771: $laystyle='album';
772: } else {
773: $laystyle='book';
774: }
775: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
776: my $assignment = $ENV{'form.assignment'};
777: my $LaTeXwidth=&recalcto_mm($textwidth);
778: my @print_array=();
779: my @student_names=();
780:
781: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
782: #-- single document - problem, page, html, xml, ...
783: my $currentURL;
784: if ($helper->{'VARS'}->{'construction'} ne '1') {
785: #prints published resource
786: $currentURL=$helper->{'VARS'}->{'postdata'};
787: } else {
788: #prints resource from the construction space
789: $currentURL='/'.$helper->{'VARS'}->{'filename'};
790: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
791: }
792: $selectionmade = 1;
793: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
794: my $rndseed=time;
795: my $texversion='';
796: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
797: my %moreenv;
798: $moreenv{'request.filename'}=$currentURL;
799: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
800: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
801: my $dom = $ENV{'user.domain'};
802: my $user = $ENV{'user.name'};
803: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
804: }
805: my %form;
806: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
807: $form{'grade_target'}='tex';
808: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
809: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
810: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
811: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
812: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
813: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
814: if ($helper->{'VARS'}->{'curseed'}) {
815: $rndseed=$helper->{'VARS'}->{'curseed'};
816: }
817: $form{'rndseed'}=$rndseed;
818: &Apache::lonnet::appenv(%moreenv);
819: &Apache::lonnet::delenv('form.counter');
820: &Apache::lonxml::init_counter();
821: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
822: &Apache::lonnet::delenv('form.counter');
823: &Apache::lonnet::delenv('request.filename');
824: }
825: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
826: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
827: my %form;
828: $form{'grade_target'}='answer';
829: $form{'answer_output_mode'}='tex';
830: $form{'rndseed'}=$rndseed;
831: my $answer=&Apache::lonnet::ssi($currentURL,%form);
832: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
833: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
834: } else {
835: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
836: if ($helper->{'VARS'}->{'construction'} ne '1') {
837: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
838: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
839: } else {
840: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
841: my $URLpath=$currentURL;
842: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
843: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
844: }
845: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
846: }
847: }
848: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
849: $texversion=&IndexCreation($texversion,$currentURL);
850: }
851: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
852: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
853:
854: }
855: $result .= $texversion;
856: if ($currentURL=~m/\.page\s*$/) {
857: ($result,$number_of_columns) = &page_cleanup($result);
858: }
859: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
860: #printing content of sequence from the construction space
861: my $flag_latex_header_remove = 'NO';
862: my $rndseed=time;
863: if ($helper->{'VARS'}->{'curseed'}) {
864: $rndseed=$helper->{'VARS'}->{'curseed'};
865: }
866: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
867: my $errtext=&Apache::lonratedt::mapread($currentURL);
868: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
869: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
870: my $urlp=$2;
871: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
872: my $texversion='';
873: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
874: my %form;
875: $form{'grade_target'}='tex';
876: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
877: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
878: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
879: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
880: $form{'rndseed'}=$rndseed;
881: $texversion=&Apache::lonnet::ssi($urlp,%form);
882: }
883: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
884: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
885: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
886: my %form;
887: $form{'grade_target'}='answer';
888: $form{'answer_output_mode'}='tex';
889: $form{'rndseed'}=$rndseed;
890: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
891: my $answer=&Apache::lonnet::ssi($urlp,%form);
892: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
893: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
894: } else {
895: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
896: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
897: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
898: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
899: }
900: }
901: if ($flag_latex_header_remove ne 'NO') {
902: $texversion = &latex_header_footer_remove($texversion);
903: } else {
904: $texversion =~ s/\\end{document}//;
905: }
906: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
907: $texversion=&IndexCreation($texversion,$urlp);
908: }
909: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
910: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
911: }
912: $result.=$texversion;
913: $flag_latex_header_remove = 'YES';
914: } elsif ($urlp=~/\.(sequence|page)$/) {
915: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
916: }
917: }
918: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
919: $result .= '\end{document}';
920: } elsif ($currentURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
921: my %form;
922: $form{'grade_target'}='tex';
923: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
924: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
925: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
926: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
927: $result .= $texversion;
928: } else {
929: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
930: }
931: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
932: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
933: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
934: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
935: #-- produce an output string
936: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
937: $selectionmade = 2;
938: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
939: $selectionmade = 3;
940: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
941: $selectionmade = 4;
942: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
943: $selectionmade = 7;
944: }
945: my %form=();
946: $form{'grade_target'}='tex';
947: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
948: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
949: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
950: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
951: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
952: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
953: my $flag_latex_header_remove = 'NO';
954: my $flag_page_in_sequence = 'NO';
955: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
956: my $prevassignment='';
957: &Apache::lonnet::delenv('form.counter');
958: &Apache::lonxml::init_counter();
959: for (my $i=0;$i<=$#master_seq;$i++) {
960: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
961: $urlp=&Apache::lonnet::clutter($urlp);
962: $form{'symb'}=$master_seq[$i];
963: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
964: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
965: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
966: if ($i==0) {$prevassignment=$assignment;}
967: my $texversion='';
968: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
969: $texversion.=&Apache::lonnet::ssi($urlp,%form);
970: if ($urlp=~/\.page$/) {
971: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
972: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
973: $texversion =~ s/\\end{document}\d*/\\end{document}/;
974: $flag_page_in_sequence = 'YES';
975: }
976: my $lonidsdir=$r->dir_config('lonIDsDir');
977: my $envfile=$ENV{'user.environment'};
978: $envfile=~/\/([^\/]+)\.id$/;
979: $envfile=$1;
980: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
981: my $current_counter=$ENV{'form.counter'};
982: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
983: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
984: my %form;
985: $form{'grade_target'}='answer';
986: $form{'answer_output_mode'}='tex';
987: my $answer=&Apache::lonnet::ssi($urlp,%form);
988: &Apache::lonnet::appenv(('form.counter' => $current_counter));
989: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
990: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
991: } else {
992: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
993: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
994: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
995: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
996: $texversion.='\vskip 1 mm '.$answer;
997: } else {
998: $texversion='';
999: }
1000: }
1001: }
1002: if ($flag_latex_header_remove ne 'NO') {
1003: $texversion = &latex_header_footer_remove($texversion);
1004: } else {
1005: $texversion =~ s/\\end{document}//;
1006: }
1007: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1008: $texversion=&IndexCreation($texversion,$urlp);
1009: }
1010: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1011: my $name = &get_name();
1012: my $courseidinfo = &get_course();
1013: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1014: $prevassignment=$assignment;
1015: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1016: }
1017: $result .= $texversion;
1018: $flag_latex_header_remove = 'YES';
1019: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1020: my %form;
1021: $form{'grade_target'}='tex';
1022: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1023: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1024: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1025: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1026: if ($flag_latex_header_remove ne 'NO') {
1027: $texversion = &latex_header_footer_remove($texversion);
1028: } else {
1029: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1030: }
1031: $result .= $texversion;
1032: $flag_latex_header_remove = 'YES';
1033: } else {
1034: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1035: if ($flag_latex_header_remove ne 'NO') {
1036: $texversion = &latex_header_footer_remove($texversion);
1037: } else {
1038: $texversion =~ s/\\end{document}//;
1039: }
1040: $result .= $texversion;
1041: $flag_latex_header_remove = 'YES';
1042: }
1043: if (&Apache::loncommon::connection_aborted($r)) { last; }
1044: }
1045: &Apache::lonnet::delenv('form.counter');
1046: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
1047: $result .= '\end{document}';
1048: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1049: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1050: #-- prints assignments for whole class or for selected students
1051: my $type;
1052: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1053: $selectionmade=5;
1054: $type='problems';
1055: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1056: $selectionmade=8;
1057: $type='resources';
1058: }
1059: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1060: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1061: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1062: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1063: }
1064: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1065: #loop over students
1066: my $flag_latex_header_remove = 'NO';
1067: my %moreenv;
1068: $moreenv{'instructor_comments'}='hide';
1069: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1070: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1071: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1072: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1073: my $student_counter=-1;
1074: foreach my $person (@students) {
1075: my $duefile="/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
1076: if (-e $duefile) {
1077: my $temp_file = Apache::File->new('>>'.$duefile);
1078: print $temp_file "1969\n";
1079: }
1080: $student_counter++;
1081: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1082: my ($output,$fullname)=&print_resources($r,$helper,$person,$type,\%moreenv,\@master_seq,$flag_latex_header_remove);
1083: $print_array[$i].=$output;
1084: $student_names[$i].=$person.':'.$fullname.'_END_';
1085: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1086: $flag_latex_header_remove = 'YES';
1087: if (&Apache::loncommon::connection_aborted($r)) { last; }
1088: }
1089: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1090: $result .= $print_array[0].' \end{document}';
1091: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1092: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1093: my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1094: my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1095: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1096: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1097: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1098: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1099: my $seed=time+($$<<16)+($$);
1100: my @allcodes;
1101: if ($old_name) {
1102: my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
1103: @allcodes=split(',',$result{$old_name});
1104: $num_todo=scalar(@allcodes);
1105: } else {
1106: my %allcodes;
1107: srand($seed);
1108: for (my $i=0;$i<$num_todo;$i++) {
1109: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
1110: }
1111: if ($code_name) {
1112: &Apache::lonnet::put('CODEs',
1113: {$code_name =>join(',',keys(%allcodes))},
1114: $cdom,$cnum);
1115: }
1116: @allcodes=keys(%allcodes);
1117: }
1118: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1119: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1120: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1121: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1122: $number_per_page=$num_todo;
1123: }
1124: my $flag_latex_header_remove = 'NO';
1125: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1126: my $count=0;
1127: foreach my $code (sort(@allcodes)) {
1128: my $file_num=int($count/$number_per_page);
1129: $moreenv{'CODE'}=&num_to_letters($code);
1130: my ($output,$fullname)=
1131: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1132: \@master_seq,$flag_latex_header_remove);
1133: $print_array[$file_num].=$output;
1134: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1135: &mt('last assignment').' '.$fullname);
1136: $flag_latex_header_remove = 'YES';
1137: $count++;
1138: if (&Apache::loncommon::connection_aborted($r)) { last; }
1139: }
1140: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1141: $result .= $print_array[0].' \end{document}';
1142: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1143: #prints selected problems from the subdirectory
1144: $selectionmade = 6;
1145: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1146: @list_of_files=sort @list_of_files;
1147: my $flag_latex_header_remove = 'NO';
1148: my $rndseed=time;
1149: if ($helper->{'VARS'}->{'curseed'}) {
1150: $rndseed=$helper->{'VARS'}->{'curseed'};
1151: }
1152: for (my $i=0;$i<=$#list_of_files;$i++) {
1153: my $urlp = $list_of_files[$i];
1154: $urlp=~s|//|/|;
1155: if ($urlp=~/\//) {
1156: my %form;
1157: $form{'grade_target'}='tex';
1158: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1159: $form{'rndseed'}=$rndseed;
1160: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1161: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1162: } else {
1163: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1164: }
1165: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1166: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1167: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1168: my %form;
1169: $form{'grade_target'}='answer';
1170: $form{'answer_output_mode'}='tex';
1171: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1172: $form{'rndseed'}=$rndseed;
1173: my $answer=&Apache::lonnet::ssi($urlp,%form);
1174: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1175: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1176: } else {
1177: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1178: if ($helper->{'VARS'}->{'construction'} ne '1') {
1179: $texversion.='\vskip 0 mm \noindent ';
1180: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1181: } else {
1182: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1183: my $URLpath=$urlp;
1184: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1185: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1186: }
1187: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1188: }
1189: }
1190: #this chunck is responsible for printing the path to problem
1191: my $newurlp=$urlp;
1192: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1193: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1194: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1195: if ($flag_latex_header_remove ne 'NO') {
1196: $texversion = &latex_header_footer_remove($texversion);
1197: } else {
1198: $texversion =~ s/\\end{document}//;
1199: }
1200: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1201: $texversion=&IndexCreation($texversion,$urlp);
1202: }
1203: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1204: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1205:
1206: }
1207: $result .= $texversion;
1208: }
1209: $flag_latex_header_remove = 'YES';
1210: }
1211: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1212: $result .= '\end{document}';
1213: }
1214: #-------------------------------------------------------- corrections for the different page formats
1215: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1216: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1217: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1218: #changes page's parameters for the one column output
1219: if ($numberofcolumns == 1) {
1220: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1221: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1222: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1223: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1224: }
1225: #-- writing .tex file in prtspool
1226: my $temp_file;
1227: my $identifier = &Apache::loncommon::get_cgi_id();
1228: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
1229: if (!($#print_array>0)) {
1230: unless ($temp_file = Apache::File->new('>'.$filename)) {
1231: $r->log_error("Couldn't open $filename for output $!");
1232: return SERVER_ERROR;
1233: }
1234: print $temp_file $result;
1235: my $begin=index($result,'\begin{document}',0);
1236: my $inc=substr($result,0,$begin+16);
1237: } else {
1238: my $begin=index($result,'\begin{document}',0);
1239: my $inc=substr($result,0,$begin+16);
1240: for (my $i=0;$i<=$#print_array;$i++) {
1241: if ($i==0) {
1242: $print_array[$i]=$result;
1243: } else {
1244: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1245: substr($print_array[$i],0,$anobegin)='';
1246: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1247: }
1248: my $temp_file;
1249: my $newfilename=$filename;
1250: my $num=$i+1;
1251: $newfilename =~s/\.tex$/_$num\.tex/;
1252: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1253: $r->log_error("Couldn't open $newfilename for output $!");
1254: return SERVER_ERROR;
1255: }
1256: print $temp_file $print_array[$i];
1257: }
1258: }
1259: my $student_names='';
1260: if ($#print_array>0) {
1261: for (my $i=0;$i<=$#print_array;$i++) {
1262: $student_names.=$student_names[$i].'_ENDPERSON_';
1263: }
1264: } else {
1265: if ($#student_names>-1) {
1266: $student_names=$student_names[0].'_ENDPERSON_';
1267: } else {
1268: my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
1269: $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
1270: $ENV{'request.course.sec'},$fullname).
1271: '_ENDPERSON_'.'_END_';
1272: }
1273: }
1274:
1275: my $URLback=''; #link to original document
1276: if ($helper->{'VARS'}->{'construction'} ne '1') {
1277: #prints published resource
1278: $URLback=$helper->{'VARS'}->{'postdata'};
1279: } else {
1280: #prints resource from the construction space
1281: $URLback='/'.$helper->{'VARS'}->{'filename'};
1282: if ($URLback=~/([^?]+)/) {
1283: $URLback=$1;
1284: $URLback=~s|^/~|/priv/|;
1285: }
1286: }
1287:
1288: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1289: 'cgi.'.$identifier.'.layout' => $laystyle,
1290: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1291: 'cgi.'.$identifier.'.paper' => $papersize,
1292: 'cgi.'.$identifier.'.selection' => $selectionmade,
1293: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1294: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1295: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1296: 'cgi.'.$identifier.'numberoffiles' => $#print_array,
1297: 'cgi.'.$identifier.'studentnames' => $student_names,
1298: 'cgi.'.$identifier.'backref' => $URLback,);
1299:
1300: $r->print(<<FINALEND);
1301: <br />
1302: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1303: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1304: </body>
1305: </html>
1306: FINALEND
1307: }
1308:
1309: sub num_to_letters {
1310: my ($num) = @_;
1311: my @nums= split('',$num);
1312: my @num_to_let=('A'..'Z');
1313: my $word;
1314: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1315: return $word;
1316: }
1317:
1318: sub get_CODE {
1319: my ($all_codes,$num,$seed,$size)=@_;
1320: my $max='1'.'0'x$size;
1321: my $newcode;
1322: while(1) {
1323: $newcode=sprintf("%06d",int(rand($max)));
1324: if (!exists($$all_codes{$newcode})) {
1325: $$all_codes{$newcode}=1;
1326: return &num_to_letters($newcode);
1327: }
1328: }
1329: }
1330:
1331: sub print_resources {
1332: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header)=@_;
1333: my $current_output = '';
1334: my ($username,$userdomain,$usersection) = split /:/,$person;
1335: my $fullname = &get_name($username,$userdomain);
1336: my $namepostfix;
1337: if ($person =~ 'anon') {
1338: $namepostfix="\\\\Name: ";
1339: $fullname = "CODE - ".$moreenv->{'CODE'};
1340: }
1341: #goes through all resources, checks if they are available for
1342: #current student, and produces output
1343: &Apache::lonnet::delenv('form.counter');
1344: &Apache::lonxml::init_counter();
1345: foreach my $curresline (@{$master_seq}) {
1346: if ( !($type eq 'problems' &&
1347: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1348: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1349: if (&Apache::lonnet::allowed('bre',$res_url)) {
1350: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1351: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1352: my $lonidsdir=$r->dir_config('lonIDsDir');
1353: my $envfile=$ENV{'user.environment'};
1354: $envfile=~/\/([^\/]+)\.id$/;
1355: $envfile=$1;
1356: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1357: my $current_counter=$ENV{'form.counter'};
1358: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1359: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1360: $moreenv->{'answer_output_mode'}='tex';
1361: $moreenv->{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1362: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%{$moreenv});
1363: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1364: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1365: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1366: } else {
1367: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1368: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1369: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1370: $rendered.='\vskip 1 mm '.$ansrendered;
1371: }
1372: }
1373: if ($remove_latex_header eq 'YES') {
1374: $rendered = &latex_header_footer_remove($rendered);
1375: } else {
1376: $rendered =~ s/\\end{document}//;
1377: }
1378: $current_output .= $rendered;
1379: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1380: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1381: my $lonidsdir=$r->dir_config('lonIDsDir');
1382: my $envfile=$ENV{'user.environment'};
1383: $envfile=~/\/([^\/]+)\.id$/;
1384: $envfile=$1;
1385: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1386: my $current_counter=$ENV{'form.counter'};
1387: if ($remove_latex_header eq 'YES') {
1388: $rendered = &latex_header_footer_remove($rendered);
1389: } else {
1390: $rendered =~ s/\\end{document}//;
1391: }
1392: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1393: } else {
1394: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1395: if ($remove_latex_header ne 'NO') {
1396: $rendered = &latex_header_footer_remove($rendered);
1397: } else {
1398: $rendered =~ s/\\end{document}//;
1399: }
1400: $current_output .= $rendered;
1401: }
1402: }
1403: $remove_latex_header = 'YES';
1404: }
1405: if (&Apache::loncommon::connection_aborted($r)) { last; }
1406: }
1407: my $courseidinfo = &get_course();
1408: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1409: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1410: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1411: if ($current_output=~/\\documentclass/) {
1412: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1413: } else {
1414: my $blankpages = '';
1415: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1416: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1417: }
1418: return ($current_output,$fullname);
1419:
1420: }
1421:
1422: sub handler {
1423:
1424: my $r = shift;
1425: my $helper;
1426:
1427: # my $loaderror=&Apache::lonnet::overloaderror($r);
1428: # if ($loaderror) { return $loaderror; }
1429: # $loaderror=
1430: # &Apache::lonnet::overloaderror($r,
1431: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
1432: # if ($loaderror) { return $loaderror; }
1433:
1434: my $result = printHelper($r);
1435: if (!ref($result)) {
1436: return $result;
1437: }
1438: $helper = $result;
1439:
1440: # my $key;
1441: # foreach $key (keys %{$helper->{'VARS'}}) {
1442: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1443: # }
1444: # foreach $key (keys %ENV) {
1445: # $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
1446: # }
1447: # return OK;
1448:
1449: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1450:
1451: # my $key;
1452: # foreach $key (keys %parmhash) {
1453: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1454: # }
1455: # return OK;
1456:
1457: &output_data($r,$helper,\%parmhash);
1458: return OK;
1459: }
1460:
1461: use Apache::lonhelper;
1462:
1463: sub addMessage {
1464: my $text = shift;
1465: my $paramHash = Apache::lonhelper::getParamHash();
1466: $paramHash->{MESSAGE_TEXT} = $text;
1467: Apache::lonhelper::message->new();
1468: }
1469:
1470: use Data::Dumper;
1471:
1472: sub printHelper {
1473: my $r = shift;
1474:
1475: if ($r->header_only) {
1476: if ($ENV{'browser.mathml'}) {
1477: &Apache::loncommon::content_type($r,'text/xml');
1478: } else {
1479: &Apache::loncommon::content_type($r,'text/html');
1480: }
1481: $r->send_http_header;
1482: return OK;
1483: }
1484:
1485: # Send header, nocache
1486: if ($ENV{'browser.mathml'}) {
1487: &Apache::loncommon::content_type($r,'text/xml');
1488: } else {
1489: &Apache::loncommon::content_type($r,'text/html');
1490: }
1491: &Apache::loncommon::no_cache($r);
1492: $r->send_http_header;
1493: $r->rflush();
1494:
1495: # Unfortunately, this helper is so complicated we have to
1496: # write it by hand
1497:
1498: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1499:
1500: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1501: $helper->declareVar('symb');
1502: $helper->declareVar('postdata');
1503: $helper->declareVar('curseed');
1504: $helper->declareVar('probstatus');
1505: $helper->declareVar('filename');
1506: $helper->declareVar('construction');
1507: $helper->declareVar('assignment');
1508: $helper->declareVar('style_file');
1509: $helper->declareVar('student_sort');
1510:
1511: # This will persistently load in the data we want from the
1512: # very first screen.
1513: # Detect whether we're coming from construction space
1514: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1515: $helper->{VARS}->{'filename'} = "~$1/$2";
1516: $helper->{VARS}->{'construction'} = 1;
1517: } else {
1518: if ($ENV{'form.postdata'}) {
1519: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
1520: }
1521: if ($ENV{'form.symb'}) {
1522: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1523: }
1524: if ($ENV{'form.url'}) {
1525: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1526: }
1527: }
1528:
1529: if ($ENV{'form.symb'}) {
1530: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1531: }
1532: if ($ENV{'form.url'}) {
1533: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1534:
1535: }
1536:
1537: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1538: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1539:
1540:
1541: # Extract map
1542: my $symb = $helper->{VARS}->{'symb'};
1543: my ($map, $id, $url);
1544: my $subdir;
1545:
1546: # Get the resource name from construction space
1547: if ($helper->{VARS}->{'construction'}) {
1548: $resourceTitle = substr($helper->{VARS}->{'filename'},
1549: rindex($helper->{VARS}->{'filename'}, '/')+1);
1550: $subdir = substr($helper->{VARS}->{'filename'},
1551: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1552: } else {
1553: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1554: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1555:
1556: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1557: my $postdata = $helper->{VARS}->{'postdata'};
1558: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1559: }
1560: $subdir = &Apache::lonnet::filelocation("", $url);
1561: }
1562: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
1563: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
1564: }
1565: if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) {
1566: $helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'};
1567: }
1568:
1569: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1570: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
1571: $ENV{'request.role'}=~m/^in\./ or
1572: $ENV{'request.role'}=~m/^ta\./);
1573:
1574: Apache::lonhelper::registerHelperTags();
1575:
1576: # "Delete everything after the last slash."
1577: $subdir =~ s|/[^/]+$||;
1578: if (not $helper->{VARS}->{'construction'}) {
1579: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1580: }
1581: # "Remove all duplicate slashes."
1582: $subdir =~ s|/+|/|g;
1583:
1584: # What can be printed is a very dynamic decision based on
1585: # lots of factors. So we need to dynamically build this list.
1586: # To prevent security leaks, states are only added to the wizard
1587: # if they can be reached, which ensures manipulating the form input
1588: # won't allow anyone to reach states they shouldn't have permission
1589: # to reach.
1590:
1591: # printChoices is tracking the kind of printing the user can
1592: # do, and will be used in a choices construction later.
1593: # In the meantime we will be adding states and elements to
1594: # the helper by hand.
1595: my $printChoices = [];
1596: my $paramHash;
1597:
1598: if ($resourceTitle) {
1599: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1600: }
1601:
1602: # Useful filter strings
1603: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1604: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1605: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
1606: my $isNotMap = '!$res->is_sequence()';
1607: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1608: my $isMap = '$res->is_map()';
1609: my $symbFilter = '$res->symb()';
1610: my $urlValue = '$res->src()';
1611:
1612: $helper->declareVar('SEQUENCE');
1613:
1614: # Useful for debugging: Dump the help vars
1615: #$r->print(Dumper($helper->{VARS}));
1616: #$r->print($map);
1617:
1618: # If we're in a sequence...
1619: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1620: $helper->{VARS}->{'postdata'} &&
1621: $helper->{VARS}->{'assignment'}) {
1622: # Allow problems from sequence
1623: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1624: # Allow all resources from sequence
1625: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1626:
1627: my $helperFragment = <<HELPERFRAGMENT;
1628: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1629: <message>(mark them then click "next" button) <br /></message>
1630: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1631: closeallpages="1">
1632: <nextstate>PAGESIZE</nextstate>
1633: <filterfunc>return $isProblem;</filterfunc>
1634: <mapurl>$map</mapurl>
1635: <valuefunc>return $symbFilter;</valuefunc>
1636: </resource>
1637: </state>
1638:
1639: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1640: <message>(mark them then click "next" button) <br /></message>
1641: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1642: closeallpages="1">
1643: <nextstate>PAGESIZE</nextstate>
1644: <filterfunc>return $isNotMap;</filterfunc>
1645: <mapurl>$map</mapurl>
1646: <valuefunc>return $symbFilter;</valuefunc>
1647: </resource>
1648: </state>
1649: HELPERFRAGMENT
1650:
1651: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1652: }
1653:
1654: # If the user is priviledged, allow them to print all
1655: # problems in the course, optionally for selected students
1656: if ($userPriviledged &&
1657: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
1658: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1659: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1660: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1661: <message>(mark them then click "next" button) <br /></message>
1662: <resource variable="RESOURCES" toponly='0' multichoice="1"
1663: suppressEmptySequences='0' addstatus="1" closeallpages="1">
1664: <nextstate>PAGESIZE</nextstate>
1665: <filterfunc>return $isProblemOrMap;</filterfunc>
1666: <choicefunc>return $isNotMap;</choicefunc>
1667: <valuefunc>return $symbFilter;</valuefunc>
1668: </resource>
1669: </state>
1670: ALL_PROBLEMS
1671:
1672: if ($helper->{VARS}->{'assignment'}) {
1673: 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'];
1674: 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'];
1675: }
1676: my $resource_selector=<<RESOURCE_SELECTOR;
1677: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1678: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1679: closeallpages="1">
1680: <filterfunc>return $isProblem;</filterfunc>
1681: <mapurl>$map</mapurl>
1682: <valuefunc>return $symbFilter;</valuefunc>
1683: </resource>
1684: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1685: <choices variable="EMPTY_PAGES">
1686: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1687: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1688: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1689: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1690: </choices>
1691: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1692: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1693: RESOURCE_SELECTOR
1694:
1695: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1696: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1697: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1698: <choices variable='student_sort'>
1699: <choice computer='0'>Sort by section then student</choice>
1700: <choice computer='1'>Sort by students across sections.</choice>
1701: </choices>
1702: $resource_selector
1703: </state>
1704: CHOOSE_STUDENTS
1705:
1706: my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1707: my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1708: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
1709: my $namechoice='<choice></choice>';
1710: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1711: if ($name =~ /^error: 2 /) { next; }
1712: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
1713: }
1714: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
1715: <state name="CHOOSE_ANON1" title="Select Students and Resources">
1716: <nextstate>PAGESIZE</nextstate>
1717: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1718: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1719: <message><br /><b>Names to store the CODEs under for later:</b></message>
1720: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1721: <message><hr width='33%' /></message>
1722: <message><b>Reprint a set of saved CODEs:</b></message>
1723: <dropdown variable="REUSE_OLD_CODES">
1724: $namechoice
1725: </dropdown>
1726: <message><hr width='33%' /></message>
1727: $resource_selector
1728: </state>
1729: CHOOSE_ANON1
1730:
1731:
1732: if ($helper->{VARS}->{'assignment'}) {
1733: 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'];
1734: 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'];
1735: }
1736:
1737:
1738: $resource_selector=<<RESOURCE_SELECTOR;
1739: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1740: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1741: closeallpages="1">
1742: <filterfunc>return $isNotMap;</filterfunc>
1743: <mapurl>$map</mapurl>
1744: <valuefunc>return $symbFilter;</valuefunc>
1745: </resource>
1746: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1747: <choices variable="EMPTY_PAGES">
1748: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1749: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1750: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1751: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1752: </choices>
1753: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1754: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1755: RESOURCE_SELECTOR
1756:
1757: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
1758: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1759: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1760: <choices variable='student_sort'>
1761: <choice computer='0'>Sort by section then student</choice>
1762: <choice computer='1'>Sort by students across sections.</choice>
1763: </choices>
1764:
1765: $resource_selector
1766: </state>
1767: CHOOSE_STUDENTS1
1768:
1769: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1770: <state name="CHOOSE_ANON2" title="Select Students and Resources">
1771: <nextstate>PAGESIZE</nextstate>
1772: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1773: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1774: <message><br /><b>Names to store the CODEs under for later:</b></message>
1775: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1776: <message><hr width='33%' /></message>
1777: <message><b>Reprint a set of saved CODEs:</b></message>
1778: <dropdown variable="REUSE_OLD_CODES">
1779: $namechoice
1780: </dropdown>
1781: <message><hr width='33%' /></message>
1782: $resource_selector
1783: </state>
1784: CHOOSE_ANON2
1785: }
1786:
1787: # FIXME: That RE should come from a library somewhere.
1788: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
1789: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1790:
1791: my $f = '$filename';
1792: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1793: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1794: <message>(mark them then click "next" button) <br /></message>
1795: <files variable="FILES" multichoice='1'>
1796: <nextstate>PAGESIZE</nextstate>
1797: <filechoice>return '$subdir';</filechoice>
1798: CHOOSE_FROM_SUBDIR
1799:
1800: # this is broken up because I really want interpolation above,
1801: # and I really DON'T want it below
1802: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1803: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1804: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1805: </filefilter>
1806: </files>
1807: </state>
1808: CHOOSE_FROM_SUBDIR
1809: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1810: }
1811:
1812: # Allow the user to select any sequence in the course, feed it to
1813: # another resource selector for that sequence
1814: if (!$helper->{VARS}->{'construction'}) {
1815: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1816: 'select_sequences', 'CHOOSE_SEQUENCE'];
1817: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
1818: #Escape apostrophes and backslashes for Perl
1819: $escapedSequenceName =~ s/\\/\\\\/g;
1820: $escapedSequenceName =~ s/'/\\'/g;
1821: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1822: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
1823: <message>Select the sequence to print resources from:</message>
1824: <resource variable="SEQUENCE">
1825: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1826: <filterfunc>return \$res->is_sequence;</filterfunc>
1827: <valuefunc>return $urlValue;</valuefunc>
1828: </resource>
1829: </state>
1830: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
1831: <message>(mark desired resources then click "next" button) <br /></message>
1832: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1833: closeallpages="1">
1834: <nextstate>PAGESIZE</nextstate>
1835: <filterfunc>return $isProblem</filterfunc>
1836: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1837: <valuefunc>return $symbFilter;</valuefunc>
1838: </resource>
1839: </state>
1840: CHOOSE_FROM_ANY_SEQUENCE
1841: }
1842:
1843: # Generate the first state, to select which resources get printed.
1844: Apache::lonhelper::state->new("START", "Select Printing Options:");
1845: $paramHash = Apache::lonhelper::getParamHash();
1846: $paramHash->{MESSAGE_TEXT} = "";
1847: Apache::lonhelper::message->new();
1848: $paramHash = Apache::lonhelper::getParamHash();
1849: $paramHash->{'variable'} = 'PRINT_TYPE';
1850: $helper->declareVar('PRINT_TYPE');
1851: $paramHash->{CHOICES} = $printChoices;
1852: Apache::lonhelper::choices->new();
1853:
1854: my $startedTable = 0; # have we started an HTML table yet? (need
1855: # to close it later)
1856:
1857: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1858: ($helper->{VARS}->{'construction'} eq '1')) {
1859: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1860: $paramHash = Apache::lonhelper::getParamHash();
1861: $paramHash->{'variable'} = 'ANSWER_TYPE';
1862: $helper->declareVar('ANSWER_TYPE');
1863: $paramHash->{CHOICES} = [
1864: ['Without Answers', 'yes'],
1865: ['With Answers', 'no'],
1866: ['Only Answers', 'only'],
1867: ['As Exam Problem', 'exam']
1868: ];
1869: Apache::lonhelper::dropdown->new();
1870: addMessage("</td></tr>");
1871: $startedTable = 1;
1872: }
1873:
1874: if ($ENV{'request.role.adv'}) {
1875: if (!$startedTable) {
1876: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
1877: $startedTable = 1;
1878: } else {
1879: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
1880: }
1881: $paramHash = Apache::lonhelper::getParamHash();
1882: $paramHash->{'variable'} = 'LATEX_TYPE';
1883: $helper->declareVar('LATEX_TYPE');
1884: if ($helper->{VARS}->{'construction'} eq '1') {
1885: $paramHash->{CHOICES} = [
1886: ['standard LaTeX mode', 'standard'],
1887: ['LaTeX batchmode', 'batchmode'], ];
1888: } else {
1889: $paramHash->{CHOICES} = [
1890: ['LaTeX batchmode', 'batchmode'],
1891: ['standard LaTeX mode', 'standard'] ];
1892: }
1893: Apache::lonhelper::dropdown->new();
1894:
1895: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1896: $paramHash = Apache::lonhelper::getParamHash();
1897: $paramHash->{'variable'} = 'TABLE_CONTENTS';
1898: $helper->declareVar('TABLE_CONTENTS');
1899: $paramHash->{CHOICES} = [
1900: ['No', 'no'],
1901: ['Yes', 'yes'] ];
1902: Apache::lonhelper::dropdown->new();
1903: addMessage("</td></tr>");
1904:
1905: if (not $helper->{VARS}->{'construction'}) {
1906: addMessage("<tr><td align='right'>Print Index: </td><td>");
1907: $paramHash = Apache::lonhelper::getParamHash();
1908: $paramHash->{'variable'} = 'TABLE_INDEX';
1909: $helper->declareVar('TABLE_INDEX');
1910: $paramHash->{CHOICES} = [
1911: ['No', 'no'],
1912: ['Yes', 'yes'] ];
1913: Apache::lonhelper::dropdown->new();
1914: addMessage("</td></tr>");
1915: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
1916: $paramHash = Apache::lonhelper::getParamHash();
1917: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
1918: $helper->declareVar('PRINT_DISCUSSIONS');
1919: $paramHash->{CHOICES} = [
1920: ['No', 'no'],
1921: ['Yes', 'yes'] ];
1922: Apache::lonhelper::dropdown->new();
1923: addMessage("</td></tr>");
1924: }
1925:
1926: if ($helper->{'VARS'}->{'construction'}) {
1927: my $stylevalue=$ENV{'construct.style'};
1928: my $xmlfrag .= <<"RNDSEED";
1929: <message><tr><td align='right'>Use random seed: </td><td></message>
1930: <string variable="curseed" size="15" maxlength="15">
1931: <defaultvalue>
1932: return $helper->{VARS}->{'curseed'};
1933: </defaultvalue>
1934: </string>
1935: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1936: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1937: <message></td></tr></message>
1938: RNDSEED
1939: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1940: $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1941: }
1942: }
1943:
1944:
1945:
1946:
1947: if ($startedTable) {
1948: addMessage("</table>");
1949: }
1950:
1951: Apache::lonprintout::page_format_state->new("FORMAT");
1952:
1953: # Generate the PAGESIZE state which will offer the user the margin
1954: # choices if they select one column
1955: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
1956: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
1957:
1958:
1959: $helper->process();
1960:
1961: # MANUAL BAILOUT CONDITION:
1962: # If we're in the "final" state, bailout and return to handler
1963: if ($helper->{STATE} eq 'FINAL') {
1964: return $helper;
1965: }
1966:
1967: $r->print($helper->display());
1968:
1969: &Apache::lonhelper::unregisterHelperTags();
1970:
1971: return OK;
1972: }
1973:
1974:
1975: 1;
1976:
1977: package Apache::lonprintout::page_format_state;
1978:
1979: =pod
1980:
1981: =head1 Helper element: page_format_state
1982:
1983: See lonhelper.pm documentation for discussion of the helper framework.
1984:
1985: Apache::lonprintout::page_format_state is an element that gives the
1986: user an opportunity to select the page layout they wish to print
1987: with: Number of columns, portrait/landscape, and paper size. If you
1988: want to change the paper size choices, change the @paperSize array
1989: contents in this package.
1990:
1991: page_format_state is always directly invoked in lonprintout.pm, so there
1992: is no tag interface. You actually pass parameters to the constructor.
1993:
1994: =over 4
1995:
1996: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1997:
1998: =back
1999:
2000: =cut
2001:
2002: use Apache::lonhelper;
2003:
2004: no strict;
2005: @ISA = ("Apache::lonhelper::element");
2006: use strict;
2007: use Apache::lonlocal;
2008:
2009: my $maxColumns = 2;
2010: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2011: "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2012: "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2013: "a5 [148x210 mm]", "a6 [105x148 mm]" );
2014:
2015: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2016: # Paper type
2017:
2018: sub new {
2019: my $self = Apache::lonhelper::element->new();
2020:
2021: shift;
2022:
2023: $self->{'variable'} = shift;
2024: my $helper = Apache::lonhelper::getHelper();
2025: $helper->declareVar($self->{'variable'});
2026: bless($self);
2027: return $self;
2028: }
2029:
2030: sub render {
2031: my $self = shift;
2032: my $helper = Apache::lonhelper::getHelper();
2033: my $result = '';
2034: my $var = $self->{'variable'};
2035: my $PageLayout=&mt('Page layout');
2036: my $NumberOfColumns=&mt('Number of columns');
2037: my $PaperType=&mt('Paper type');
2038: $result .= <<STATEHTML;
2039:
2040: <hr width="33%" />
2041: <table cellpadding="3">
2042: <tr>
2043: <td align="center"><b>$PageLayout</b></td>
2044: <td align="center"><b>$NumberOfColumns</b></td>
2045: <td align="center"><b>$PaperType</b></td>
2046: </tr>
2047: <tr>
2048: <td>
2049: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
2050: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
2051: </td>
2052: <td align="center">
2053: <select name="${var}.cols">
2054: STATEHTML
2055:
2056: my $i;
2057: for ($i = 1; $i <= $maxColumns; $i++) {
2058: if ($i == 2) {
2059: $result .= "<option value='$i' selected>$i</option>\n";
2060: } else {
2061: $result .= "<option value='$i'>$i</option>\n";
2062: }
2063: }
2064:
2065: $result .= "</select></td><td>\n";
2066: $result .= "<select name='${var}.paper'>\n";
2067:
2068: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
2069: my $DefaultPaperSize=$parmhash{'default_paper_size'};
2070: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2071: $i = 0;
2072: foreach (@paperSize) {
2073: $_=~/(\w+)/;
2074: my $papersize=$1;
2075: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2076: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2077: } else {
2078: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2079: }
2080: $i++;
2081: }
2082: $result .= "</select></td></tr></table>";
2083: return $result;
2084: }
2085:
2086: sub postprocess {
2087: my $self = shift;
2088:
2089: my $var = $self->{'variable'};
2090: my $helper = Apache::lonhelper->getHelper();
2091: $helper->{VARS}->{$var} =
2092: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
2093: $ENV{"form.$var.paper"};
2094: return 1;
2095: }
2096:
2097: 1;
2098:
2099: package Apache::lonprintout::page_size_state;
2100:
2101: =pod
2102:
2103: =head1 Helper element: page_size_state
2104:
2105: See lonhelper.pm documentation for discussion of the helper framework.
2106:
2107: Apache::lonprintout::page_size_state is an element that gives the
2108: user the opportunity to further refine the page settings if they
2109: select a single-column page.
2110:
2111: page_size_state is always directly invoked in lonprintout.pm, so there
2112: is no tag interface. You actually pass parameters to the constructor.
2113:
2114: =over 4
2115:
2116: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2117:
2118: =back
2119:
2120: =cut
2121:
2122: use Apache::lonhelper;
2123:
2124: no strict;
2125: @ISA = ("Apache::lonhelper::element");
2126: use strict;
2127:
2128:
2129:
2130: sub new {
2131: my $self = Apache::lonhelper::element->new();
2132:
2133: shift; # disturbs me (probably prevents subclassing) but works (drops
2134: # package descriptor)... - Jeremy
2135:
2136: $self->{'variable'} = shift;
2137: my $helper = Apache::lonhelper::getHelper();
2138: $helper->declareVar($self->{'variable'});
2139:
2140: # The variable name of the format element, so we can look into
2141: # $helper->{VARS} to figure out whether the columns are one or two
2142: $self->{'formatvar'} = shift;
2143:
2144: # The state to transition to after selection, or after discovering
2145: # the cols are not set to 1
2146: $self->{NEXTSTATE} = shift;
2147: bless($self);
2148: return $self;
2149: }
2150:
2151: sub render {
2152: my $self = shift;
2153: my $helper = Apache::lonhelper::getHelper();
2154: my $result = '';
2155: my $var = $self->{'variable'};
2156:
2157: if (defined $self->{ERROR_MSG}) {
2158: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2159: }
2160:
2161: $result .= <<ELEMENTHTML;
2162:
2163: <p>How should the column be formatted?</p>
2164:
2165: <table cellpadding='3'>
2166: <tr>
2167: <td align='right'><b>Width</b>:</td>
2168: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2169: <td align='left'>
2170: <select name='$var.widthunit'>
2171: <option>cm</option><option>in</option>
2172: </select>
2173: </td>
2174: </tr>
2175: <tr>
2176: <td align='right'><b>Height</b>:</td>
2177: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2178: <td align='left'>
2179: <select name='$var.heightunit'>
2180: <option>cm</option><option>in</option>
2181: </select>
2182: </td>
2183: </tr>
2184: <tr>
2185: <td align='right'><b>Left margin</b>:</td>
2186: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2187: <td align='left'>
2188: <select name='$var.lmarginunit'>
2189: <option>cm</option><option>in</option>
2190: </select>
2191: </td>
2192: </tr>
2193: </table>
2194:
2195: <p>Hint: Some instructors like to leave scratch space for the student by
2196: making the width much smaller than the width of the page.</p>
2197:
2198: ELEMENTHTML
2199:
2200: return $result;
2201: }
2202:
2203: # If the user didn't select 1 column, skip this state.
2204: sub preprocess {
2205: my $self = shift;
2206: my $helper = Apache::lonhelper::getHelper();
2207:
2208: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2209: if (substr($format, 2, 1) ne '1') {
2210: $helper->changeState($self->{NEXTSTATE});
2211: }
2212:
2213: return 1;
2214: }
2215:
2216: sub postprocess {
2217: my $self = shift;
2218:
2219: my $var = $self->{'variable'};
2220: my $helper = Apache::lonhelper->getHelper();
2221: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
2222: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
2223: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
2224: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
2225: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
2226: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
2227:
2228: my $error = '';
2229:
2230: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2231: # by an optional period, followed by digits, ending the string
2232:
2233: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2234: $error .= "Invalid width; please type only a number.<br />\n";
2235: }
2236: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2237: $error .= "Invalid height; please type only a number.<br />\n";
2238: }
2239: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2240: $error .= "Invalid left margin; please type only a number.<br />\n";
2241: }
2242:
2243: if (!$error) {
2244: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2245: return 1;
2246: } else {
2247: $self->{ERROR_MSG} = $error;
2248: return 0;
2249: }
2250: }
2251:
2252:
2253:
2254: __END__
2255:
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