1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.339 2004/11/19 21:48:41 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
29: package Apache::lonprintout;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonxml;
34: use Apache::lonnet;
35: use Apache::loncommon;
36: use Apache::inputtags;
37: use Apache::grades;
38: use Apache::edit;
39: use Apache::File();
40: use Apache::lonnavmaps;
41: use Apache::lonratedt;
42: use POSIX qw(strftime);
43: use Apache::lonlocal;
44:
45: my $LaTeXwidth = 0;
46:
47:
48: 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\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1} /;
520: } elsif ($layout eq 'book') {
521: if ($choice ne 'All class print') {
522: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/;
523: } else {
524: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /;
525: }
526: if ($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}$}'.
647: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
648: '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
649: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
650: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
651: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
652: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
653: '\setlength{\abovedisplayshortskip}{-0.04in}'.
654: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
655: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
656: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
657: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
658: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
659: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
660: '\setlength{\abovedisplayshortskip}{-0.04in}'.
661: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
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: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
968: my $texversion='';
969: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
970: $texversion.=&Apache::lonnet::ssi($urlp,%form);
971: if ($urlp=~/\.page$/) {
972: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
973: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
974: $texversion =~ s/\\end{document}\d*/\\end{document}/;
975: $flag_page_in_sequence = 'YES';
976: }
977: my $lonidsdir=$r->dir_config('lonIDsDir');
978: my $envfile=$ENV{'user.environment'};
979: $envfile=~/\/([^\/]+)\.id$/;
980: $envfile=$1;
981: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
982: my $current_counter=$ENV{'form.counter'};
983: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
984: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
985: my %form;
986: $form{'grade_target'}='answer';
987: $form{'answer_output_mode'}='tex';
988: my $answer=&Apache::lonnet::ssi($urlp,%form);
989: &Apache::lonnet::appenv(('form.counter' => $current_counter));
990: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
991: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
992: } else {
993: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
994: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
995: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
996: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
997: $texversion.='\vskip 1 mm '.$answer;
998: } else {
999: $texversion='';
1000: }
1001: }
1002: }
1003: if ($flag_latex_header_remove ne 'NO') {
1004: $texversion = &latex_header_footer_remove($texversion);
1005: } else {
1006: $texversion =~ s/\\end{document}//;
1007: }
1008: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1009: $texversion=&IndexCreation($texversion,$urlp);
1010: }
1011: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1012: my $name = &get_name();
1013: my $courseidinfo = &get_course();
1014: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1015: $prevassignment=$assignment;
1016: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1017: }
1018: $result .= $texversion;
1019: $flag_latex_header_remove = 'YES';
1020: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1021: my %form;
1022: $form{'grade_target'}='tex';
1023: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1024: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1025: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1026: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1027: if ($flag_latex_header_remove ne 'NO') {
1028: $texversion = &latex_header_footer_remove($texversion);
1029: } else {
1030: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1031: }
1032: $result .= $texversion;
1033: $flag_latex_header_remove = 'YES';
1034: } else {
1035: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1036: if ($flag_latex_header_remove ne 'NO') {
1037: $texversion = &latex_header_footer_remove($texversion);
1038: } else {
1039: $texversion =~ s/\\end{document}//;
1040: }
1041: $result .= $texversion;
1042: $flag_latex_header_remove = 'YES';
1043: }
1044: if (&Apache::loncommon::connection_aborted($r)) { last; }
1045: }
1046: &Apache::lonnet::delenv('form.counter');
1047: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
1048: $result .= '\end{document}';
1049: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1050: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1051: #-- prints assignments for whole class or for selected students
1052: my $type;
1053: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1054: $selectionmade=5;
1055: $type='problems';
1056: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1057: $selectionmade=8;
1058: $type='resources';
1059: }
1060: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1061: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1062: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1063: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1064: }
1065: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1066: #loop over students
1067: my $flag_latex_header_remove = 'NO';
1068: my %moreenv;
1069: $moreenv{'instructor_comments'}='hide';
1070: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1071: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1072: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1073: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1074: my $student_counter=-1;
1075: foreach my $person (@students) {
1076: my $duefile="/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
1077: if (-e $duefile) {
1078: my $temp_file = Apache::File->new('>>'.$duefile);
1079: print $temp_file "1969\n";
1080: }
1081: $student_counter++;
1082: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1083: my ($output,$fullname)=&print_resources($r,$helper,$person,$type,\%moreenv,\@master_seq,$flag_latex_header_remove);
1084: $print_array[$i].=$output;
1085: $student_names[$i].=$person.':'.$fullname.'_END_';
1086: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1087: $flag_latex_header_remove = 'YES';
1088: if (&Apache::loncommon::connection_aborted($r)) { last; }
1089: }
1090: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1091: $result .= $print_array[0].' \end{document}';
1092: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1093: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1094: my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1095: my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1096: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1097: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1098: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1099: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1100: my $seed=time+($$<<16)+($$);
1101: my @allcodes;
1102: if ($old_name) {
1103: my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
1104: @allcodes=split(',',$result{$old_name});
1105: $num_todo=scalar(@allcodes);
1106: } else {
1107: my %allcodes;
1108: srand($seed);
1109: for (my $i=0;$i<$num_todo;$i++) {
1110: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
1111: }
1112: if ($code_name) {
1113: &Apache::lonnet::put('CODEs',
1114: {$code_name =>join(',',keys(%allcodes))},
1115: $cdom,$cnum);
1116: }
1117: @allcodes=keys(%allcodes);
1118: }
1119: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1120: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1121: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1122: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1123: $number_per_page=$num_todo;
1124: }
1125: my $flag_latex_header_remove = 'NO';
1126: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1127: my $count=0;
1128: foreach my $code (sort(@allcodes)) {
1129: my $file_num=int($count/$number_per_page);
1130: $moreenv{'CODE'}=&num_to_letters($code);
1131: my ($output,$fullname)=
1132: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1133: \@master_seq,$flag_latex_header_remove);
1134: $print_array[$file_num].=$output;
1135: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1136: &mt('last assignment').' '.$fullname);
1137: $flag_latex_header_remove = 'YES';
1138: $count++;
1139: if (&Apache::loncommon::connection_aborted($r)) { last; }
1140: }
1141: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1142: $result .= $print_array[0].' \end{document}';
1143: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1144: #prints selected problems from the subdirectory
1145: $selectionmade = 6;
1146: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1147: @list_of_files=sort @list_of_files;
1148: my $flag_latex_header_remove = 'NO';
1149: my $rndseed=time;
1150: if ($helper->{'VARS'}->{'curseed'}) {
1151: $rndseed=$helper->{'VARS'}->{'curseed'};
1152: }
1153: for (my $i=0;$i<=$#list_of_files;$i++) {
1154: my $urlp = $list_of_files[$i];
1155: $urlp=~s|//|/|;
1156: if ($urlp=~/\//) {
1157: my %form;
1158: $form{'grade_target'}='tex';
1159: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1160: $form{'rndseed'}=$rndseed;
1161: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1162: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1163: } else {
1164: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1165: }
1166: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1167: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1168: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1169: my %form;
1170: $form{'grade_target'}='answer';
1171: $form{'answer_output_mode'}='tex';
1172: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1173: $form{'rndseed'}=$rndseed;
1174: my $answer=&Apache::lonnet::ssi($urlp,%form);
1175: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1176: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1177: } else {
1178: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1179: if ($helper->{'VARS'}->{'construction'} ne '1') {
1180: $texversion.='\vskip 0 mm \noindent ';
1181: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1182: } else {
1183: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1184: my $URLpath=$urlp;
1185: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1186: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1187: }
1188: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1189: }
1190: }
1191: #this chunck is responsible for printing the path to problem
1192: my $newurlp=$urlp;
1193: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1194: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1195: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1196: if ($flag_latex_header_remove ne 'NO') {
1197: $texversion = &latex_header_footer_remove($texversion);
1198: } else {
1199: $texversion =~ s/\\end{document}//;
1200: }
1201: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1202: $texversion=&IndexCreation($texversion,$urlp);
1203: }
1204: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1205: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1206:
1207: }
1208: $result .= $texversion;
1209: }
1210: $flag_latex_header_remove = 'YES';
1211: }
1212: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1213: $result .= '\end{document}';
1214: }
1215: #-------------------------------------------------------- corrections for the different page formats
1216: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1217: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1218: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1219: #changes page's parameters for the one column output
1220: if ($numberofcolumns == 1) {
1221: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1222: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1223: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1224: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1225: }
1226: #-- writing .tex file in prtspool
1227: my $temp_file;
1228: my $identifier = &Apache::loncommon::get_cgi_id();
1229: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
1230: if (!($#print_array>0)) {
1231: unless ($temp_file = Apache::File->new('>'.$filename)) {
1232: $r->log_error("Couldn't open $filename for output $!");
1233: return SERVER_ERROR;
1234: }
1235: print $temp_file $result;
1236: my $begin=index($result,'\begin{document}',0);
1237: my $inc=substr($result,0,$begin+16);
1238: } else {
1239: my $begin=index($result,'\begin{document}',0);
1240: my $inc=substr($result,0,$begin+16);
1241: for (my $i=0;$i<=$#print_array;$i++) {
1242: if ($i==0) {
1243: $print_array[$i]=$result;
1244: } else {
1245: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1246: substr($print_array[$i],0,$anobegin)='';
1247: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1248: }
1249: my $temp_file;
1250: my $newfilename=$filename;
1251: my $num=$i+1;
1252: $newfilename =~s/\.tex$/_$num\.tex/;
1253: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1254: $r->log_error("Couldn't open $newfilename for output $!");
1255: return SERVER_ERROR;
1256: }
1257: print $temp_file $print_array[$i];
1258: }
1259: }
1260: my $student_names='';
1261: if ($#print_array>0) {
1262: for (my $i=0;$i<=$#print_array;$i++) {
1263: $student_names.=$student_names[$i].'_ENDPERSON_';
1264: }
1265: } else {
1266: if ($#student_names>-1) {
1267: $student_names=$student_names[0].'_ENDPERSON_';
1268: } else {
1269: my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
1270: $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
1271: $ENV{'request.course.sec'},$fullname).
1272: '_ENDPERSON_'.'_END_';
1273: }
1274: }
1275:
1276: my $URLback=''; #link to original document
1277: if ($helper->{'VARS'}->{'construction'} ne '1') {
1278: #prints published resource
1279: $URLback=$helper->{'VARS'}->{'postdata'};
1280: } else {
1281: #prints resource from the construction space
1282: $URLback='/'.$helper->{'VARS'}->{'filename'};
1283: if ($URLback=~/([^?]+)/) {
1284: $URLback=$1;
1285: $URLback=~s|^/~|/priv/|;
1286: }
1287: }
1288:
1289: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1290: 'cgi.'.$identifier.'.layout' => $laystyle,
1291: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1292: 'cgi.'.$identifier.'.paper' => $papersize,
1293: 'cgi.'.$identifier.'.selection' => $selectionmade,
1294: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1295: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1296: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1297: 'cgi.'.$identifier.'numberoffiles' => $#print_array,
1298: 'cgi.'.$identifier.'studentnames' => $student_names,
1299: 'cgi.'.$identifier.'backref' => $URLback,);
1300:
1301: $r->print(<<FINALEND);
1302: <br />
1303: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1304: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1305: </body>
1306: </html>
1307: FINALEND
1308: }
1309:
1310: sub num_to_letters {
1311: my ($num) = @_;
1312: my @nums= split('',$num);
1313: my @num_to_let=('A'..'Z');
1314: my $word;
1315: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1316: return $word;
1317: }
1318:
1319: sub get_CODE {
1320: my ($all_codes,$num,$seed,$size)=@_;
1321: my $max='1'.'0'x$size;
1322: my $newcode;
1323: while(1) {
1324: $newcode=sprintf("%06d",int(rand($max)));
1325: if (!exists($$all_codes{$newcode})) {
1326: $$all_codes{$newcode}=1;
1327: return &num_to_letters($newcode);
1328: }
1329: }
1330: }
1331:
1332: sub print_resources {
1333: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header)=@_;
1334: my $current_output = '';
1335: my ($username,$userdomain,$usersection) = split /:/,$person;
1336: my $fullname = &get_name($username,$userdomain);
1337: my $namepostfix;
1338: if ($person =~ 'anon') {
1339: $namepostfix="\\\\Name: ";
1340: $fullname = "CODE - ".$moreenv->{'CODE'};
1341: }
1342: #goes through all resources, checks if they are available for
1343: #current student, and produces output
1344: &Apache::lonnet::delenv('form.counter');
1345: &Apache::lonxml::init_counter();
1346: foreach my $curresline (@{$master_seq}) {
1347: if ( !($type eq 'problems' &&
1348: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1349: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1350: if (&Apache::lonnet::allowed('bre',$res_url)) {
1351: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1352: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1353: my $lonidsdir=$r->dir_config('lonIDsDir');
1354: my $envfile=$ENV{'user.environment'};
1355: $envfile=~/\/([^\/]+)\.id$/;
1356: $envfile=$1;
1357: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1358: my $current_counter=$ENV{'form.counter'};
1359: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1360: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1361: $moreenv->{'answer_output_mode'}='tex';
1362: $moreenv->{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1363: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%{$moreenv});
1364: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1365: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1366: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1367: } else {
1368: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1369: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1370: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1371: $rendered.='\vskip 1 mm '.$ansrendered;
1372: }
1373: }
1374: if ($remove_latex_header eq 'YES') {
1375: $rendered = &latex_header_footer_remove($rendered);
1376: } else {
1377: $rendered =~ s/\\end{document}//;
1378: }
1379: $current_output .= $rendered;
1380: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1381: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1382: my $lonidsdir=$r->dir_config('lonIDsDir');
1383: my $envfile=$ENV{'user.environment'};
1384: $envfile=~/\/([^\/]+)\.id$/;
1385: $envfile=$1;
1386: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1387: my $current_counter=$ENV{'form.counter'};
1388: if ($remove_latex_header eq 'YES') {
1389: $rendered = &latex_header_footer_remove($rendered);
1390: } else {
1391: $rendered =~ s/\\end{document}//;
1392: }
1393: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1394: } else {
1395: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1396: if ($remove_latex_header ne 'NO') {
1397: $rendered = &latex_header_footer_remove($rendered);
1398: } else {
1399: $rendered =~ s/\\end{document}//;
1400: }
1401: $current_output .= $rendered;
1402: }
1403: }
1404: $remove_latex_header = 'YES';
1405: }
1406: if (&Apache::loncommon::connection_aborted($r)) { last; }
1407: }
1408: my $courseidinfo = &get_course();
1409: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1410: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1411: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1412: if ($current_output=~/\\documentclass/) {
1413: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1414: } else {
1415: my $blankpages = '';
1416: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1417: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
1418: }
1419: return ($current_output,$fullname);
1420:
1421: }
1422:
1423: sub handler {
1424:
1425: my $r = shift;
1426: my $helper;
1427:
1428: # my $loaderror=&Apache::lonnet::overloaderror($r);
1429: # if ($loaderror) { return $loaderror; }
1430: # $loaderror=
1431: # &Apache::lonnet::overloaderror($r,
1432: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
1433: # if ($loaderror) { return $loaderror; }
1434:
1435: my $result = printHelper($r);
1436: if (!ref($result)) {
1437: return $result;
1438: }
1439: $helper = $result;
1440:
1441: # my $key;
1442: # foreach $key (keys %{$helper->{'VARS'}}) {
1443: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1444: # }
1445: # foreach $key (keys %ENV) {
1446: # $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
1447: # }
1448: # return OK;
1449:
1450: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1451:
1452: # my $key;
1453: # foreach $key (keys %parmhash) {
1454: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1455: # }
1456: # return OK;
1457:
1458: &output_data($r,$helper,\%parmhash);
1459: return OK;
1460: }
1461:
1462: use Apache::lonhelper;
1463:
1464: sub addMessage {
1465: my $text = shift;
1466: my $paramHash = Apache::lonhelper::getParamHash();
1467: $paramHash->{MESSAGE_TEXT} = $text;
1468: Apache::lonhelper::message->new();
1469: }
1470:
1471: use Data::Dumper;
1472:
1473: sub printHelper {
1474: my $r = shift;
1475:
1476: if ($r->header_only) {
1477: if ($ENV{'browser.mathml'}) {
1478: &Apache::loncommon::content_type($r,'text/xml');
1479: } else {
1480: &Apache::loncommon::content_type($r,'text/html');
1481: }
1482: $r->send_http_header;
1483: return OK;
1484: }
1485:
1486: # Send header, nocache
1487: if ($ENV{'browser.mathml'}) {
1488: &Apache::loncommon::content_type($r,'text/xml');
1489: } else {
1490: &Apache::loncommon::content_type($r,'text/html');
1491: }
1492: &Apache::loncommon::no_cache($r);
1493: $r->send_http_header;
1494: $r->rflush();
1495:
1496: # Unfortunately, this helper is so complicated we have to
1497: # write it by hand
1498:
1499: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1500:
1501: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1502: $helper->declareVar('symb');
1503: $helper->declareVar('postdata');
1504: $helper->declareVar('curseed');
1505: $helper->declareVar('probstatus');
1506: $helper->declareVar('filename');
1507: $helper->declareVar('construction');
1508: $helper->declareVar('assignment');
1509: $helper->declareVar('style_file');
1510:
1511: # This will persistently load in the data we want from the
1512: # very first screen.
1513: # Detect whether we're coming from construction space
1514: if ($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: $resource_selector
1699: </state>
1700: CHOOSE_STUDENTS
1701:
1702: my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1703: my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1704: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
1705: my $namechoice='<choice></choice>';
1706: foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1707: if ($name =~ /^error: 2 /) { next; }
1708: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
1709: }
1710: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
1711: <state name="CHOOSE_ANON1" title="Select Students and Resources">
1712: <nextstate>PAGESIZE</nextstate>
1713: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1714: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1715: <message><br /><b>Names to store the CODEs under for later:</b></message>
1716: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1717: <message><hr width='33%' /></message>
1718: <message><b>Reprint a set of saved CODEs:</b></message>
1719: <dropdown variable="REUSE_OLD_CODES">
1720: $namechoice
1721: </dropdown>
1722: <message><hr width='33%' /></message>
1723: $resource_selector
1724: </state>
1725: CHOOSE_ANON1
1726:
1727:
1728: if ($helper->{VARS}->{'assignment'}) {
1729: 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'];
1730: 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'];
1731: }
1732:
1733:
1734: $resource_selector=<<RESOURCE_SELECTOR;
1735: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1736: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1737: closeallpages="1">
1738: <filterfunc>return $isNotMap;</filterfunc>
1739: <mapurl>$map</mapurl>
1740: <valuefunc>return $symbFilter;</valuefunc>
1741: </resource>
1742: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1743: <choices variable="EMPTY_PAGES">
1744: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1745: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1746: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1747: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1748: </choices>
1749: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1750: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1751: RESOURCE_SELECTOR
1752:
1753: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
1754: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1755: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1756: $resource_selector
1757: </state>
1758: CHOOSE_STUDENTS1
1759:
1760: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1761: <state name="CHOOSE_ANON2" title="Select Students and Resources">
1762: <nextstate>PAGESIZE</nextstate>
1763: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1764: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1765: <message><br /><b>Names to store the CODEs under for later:</b></message>
1766: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1767: <message><hr width='33%' /></message>
1768: <message><b>Reprint a set of saved CODEs:</b></message>
1769: <dropdown variable="REUSE_OLD_CODES">
1770: $namechoice
1771: </dropdown>
1772: <message><hr width='33%' /></message>
1773: $resource_selector
1774: </state>
1775: CHOOSE_ANON2
1776: }
1777:
1778: # FIXME: That RE should come from a library somewhere.
1779: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
1780: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1781:
1782: my $f = '$filename';
1783: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1784: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1785: <message>(mark them then click "next" button) <br /></message>
1786: <files variable="FILES" multichoice='1'>
1787: <nextstate>PAGESIZE</nextstate>
1788: <filechoice>return '$subdir';</filechoice>
1789: CHOOSE_FROM_SUBDIR
1790:
1791: # this is broken up because I really want interpolation above,
1792: # and I really DON'T want it below
1793: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1794: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1795: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1796: </filefilter>
1797: </files>
1798: </state>
1799: CHOOSE_FROM_SUBDIR
1800: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1801: }
1802:
1803: # Allow the user to select any sequence in the course, feed it to
1804: # another resource selector for that sequence
1805: if (!$helper->{VARS}->{'construction'}) {
1806: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1807: 'select_sequences', 'CHOOSE_SEQUENCE'];
1808: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
1809: #Escape apostrophes and backslashes for Perl
1810: $escapedSequenceName =~ s/\\/\\\\/g;
1811: $escapedSequenceName =~ s/'/\\'/g;
1812: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1813: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
1814: <message>Select the sequence to print resources from:</message>
1815: <resource variable="SEQUENCE">
1816: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1817: <filterfunc>return \$res->is_sequence;</filterfunc>
1818: <valuefunc>return $urlValue;</valuefunc>
1819: </resource>
1820: </state>
1821: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
1822: <message>(mark desired resources then click "next" button) <br /></message>
1823: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1824: closeallpages="1">
1825: <nextstate>PAGESIZE</nextstate>
1826: <filterfunc>return $isProblem</filterfunc>
1827: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1828: <valuefunc>return $symbFilter;</valuefunc>
1829: </resource>
1830: </state>
1831: CHOOSE_FROM_ANY_SEQUENCE
1832: }
1833:
1834: # Generate the first state, to select which resources get printed.
1835: Apache::lonhelper::state->new("START", "Select Printing Options:");
1836: $paramHash = Apache::lonhelper::getParamHash();
1837: $paramHash->{MESSAGE_TEXT} = "";
1838: Apache::lonhelper::message->new();
1839: $paramHash = Apache::lonhelper::getParamHash();
1840: $paramHash->{'variable'} = 'PRINT_TYPE';
1841: $helper->declareVar('PRINT_TYPE');
1842: $paramHash->{CHOICES} = $printChoices;
1843: Apache::lonhelper::choices->new();
1844:
1845: my $startedTable = 0; # have we started an HTML table yet? (need
1846: # to close it later)
1847:
1848: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1849: ($helper->{VARS}->{'construction'} eq '1')) {
1850: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1851: $paramHash = Apache::lonhelper::getParamHash();
1852: $paramHash->{'variable'} = 'ANSWER_TYPE';
1853: $helper->declareVar('ANSWER_TYPE');
1854: $paramHash->{CHOICES} = [
1855: ['Without Answers', 'yes'],
1856: ['With Answers', 'no'],
1857: ['Only Answers', 'only'],
1858: ['As Exam Problem', 'exam']
1859: ];
1860: Apache::lonhelper::dropdown->new();
1861: addMessage("</td></tr>");
1862: $startedTable = 1;
1863: }
1864:
1865: if ($ENV{'request.role.adv'}) {
1866: if (!$startedTable) {
1867: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
1868: $startedTable = 1;
1869: } else {
1870: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
1871: }
1872: $paramHash = Apache::lonhelper::getParamHash();
1873: $paramHash->{'variable'} = 'LATEX_TYPE';
1874: $helper->declareVar('LATEX_TYPE');
1875: if ($helper->{VARS}->{'construction'} eq '1') {
1876: $paramHash->{CHOICES} = [
1877: ['standard LaTeX mode', 'standard'],
1878: ['LaTeX batchmode', 'batchmode'], ];
1879: } else {
1880: $paramHash->{CHOICES} = [
1881: ['LaTeX batchmode', 'batchmode'],
1882: ['standard LaTeX mode', 'standard'] ];
1883: }
1884: Apache::lonhelper::dropdown->new();
1885:
1886: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1887: $paramHash = Apache::lonhelper::getParamHash();
1888: $paramHash->{'variable'} = 'TABLE_CONTENTS';
1889: $helper->declareVar('TABLE_CONTENTS');
1890: $paramHash->{CHOICES} = [
1891: ['No', 'no'],
1892: ['Yes', 'yes'] ];
1893: Apache::lonhelper::dropdown->new();
1894: addMessage("</td></tr>");
1895:
1896: if (not $helper->{VARS}->{'construction'}) {
1897: addMessage("<tr><td align='right'>Print Index: </td><td>");
1898: $paramHash = Apache::lonhelper::getParamHash();
1899: $paramHash->{'variable'} = 'TABLE_INDEX';
1900: $helper->declareVar('TABLE_INDEX');
1901: $paramHash->{CHOICES} = [
1902: ['No', 'no'],
1903: ['Yes', 'yes'] ];
1904: Apache::lonhelper::dropdown->new();
1905: addMessage("</td></tr>");
1906: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
1907: $paramHash = Apache::lonhelper::getParamHash();
1908: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
1909: $helper->declareVar('PRINT_DISCUSSIONS');
1910: $paramHash->{CHOICES} = [
1911: ['No', 'no'],
1912: ['Yes', 'yes'] ];
1913: Apache::lonhelper::dropdown->new();
1914: addMessage("</td></tr>");
1915: }
1916:
1917: if ($helper->{'VARS'}->{'construction'}) {
1918: my $stylevalue=$ENV{'construct.style'};
1919: my $xmlfrag .= <<"RNDSEED";
1920: <message><tr><td align='right'>Use random seed: </td><td></message>
1921: <string variable="curseed" size="15" maxlength="15">
1922: <defaultvalue>
1923: return $helper->{VARS}->{'curseed'};
1924: </defaultvalue>
1925: </string>
1926: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1927: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1928: <message></td></tr></message>
1929: RNDSEED
1930: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1931: $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1932: }
1933: }
1934:
1935:
1936:
1937:
1938: if ($startedTable) {
1939: addMessage("</table>");
1940: }
1941:
1942: Apache::lonprintout::page_format_state->new("FORMAT");
1943:
1944: # Generate the PAGESIZE state which will offer the user the margin
1945: # choices if they select one column
1946: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
1947: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
1948:
1949:
1950: $helper->process();
1951:
1952: # MANUAL BAILOUT CONDITION:
1953: # If we're in the "final" state, bailout and return to handler
1954: if ($helper->{STATE} eq 'FINAL') {
1955: return $helper;
1956: }
1957:
1958: $r->print($helper->display());
1959:
1960: &Apache::lonhelper::unregisterHelperTags();
1961:
1962: return OK;
1963: }
1964:
1965:
1966: 1;
1967:
1968: package Apache::lonprintout::page_format_state;
1969:
1970: =pod
1971:
1972: =head1 Helper element: page_format_state
1973:
1974: See lonhelper.pm documentation for discussion of the helper framework.
1975:
1976: Apache::lonprintout::page_format_state is an element that gives the
1977: user an opportunity to select the page layout they wish to print
1978: with: Number of columns, portrait/landscape, and paper size. If you
1979: want to change the paper size choices, change the @paperSize array
1980: contents in this package.
1981:
1982: page_format_state is always directly invoked in lonprintout.pm, so there
1983: is no tag interface. You actually pass parameters to the constructor.
1984:
1985: =over 4
1986:
1987: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1988:
1989: =back
1990:
1991: =cut
1992:
1993: use Apache::lonhelper;
1994:
1995: no strict;
1996: @ISA = ("Apache::lonhelper::element");
1997: use strict;
1998: use Apache::lonlocal;
1999:
2000: my $maxColumns = 2;
2001: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2002: "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
2003: "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2004: "a5 [148x210 mm]", "a6 [105x148 mm]" );
2005:
2006: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2007: # Paper type
2008:
2009: sub new {
2010: my $self = Apache::lonhelper::element->new();
2011:
2012: shift;
2013:
2014: $self->{'variable'} = shift;
2015: my $helper = Apache::lonhelper::getHelper();
2016: $helper->declareVar($self->{'variable'});
2017: bless($self);
2018: return $self;
2019: }
2020:
2021: sub render {
2022: my $self = shift;
2023: my $helper = Apache::lonhelper::getHelper();
2024: my $result = '';
2025: my $var = $self->{'variable'};
2026: my $PageLayout=&mt('Page layout');
2027: my $NumberOfColumns=&mt('Number of columns');
2028: my $PaperType=&mt('Paper type');
2029: $result .= <<STATEHTML;
2030:
2031: <hr width="33%" />
2032: <table cellpadding="3">
2033: <tr>
2034: <td align="center"><b>$PageLayout</b></td>
2035: <td align="center"><b>$NumberOfColumns</b></td>
2036: <td align="center"><b>$PaperType</b></td>
2037: </tr>
2038: <tr>
2039: <td>
2040: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
2041: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
2042: </td>
2043: <td align="center">
2044: <select name="${var}.cols">
2045: STATEHTML
2046:
2047: my $i;
2048: for ($i = 1; $i <= $maxColumns; $i++) {
2049: if ($i == 2) {
2050: $result .= "<option value='$i' selected>$i</option>\n";
2051: } else {
2052: $result .= "<option value='$i'>$i</option>\n";
2053: }
2054: }
2055:
2056: $result .= "</select></td><td>\n";
2057: $result .= "<select name='${var}.paper'>\n";
2058:
2059: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
2060: my $DefaultPaperSize=$parmhash{'default_paper_size'};
2061: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2062: $i = 0;
2063: foreach (@paperSize) {
2064: $_=~/(\w+)/;
2065: my $papersize=$1;
2066: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2067: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2068: } else {
2069: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2070: }
2071: $i++;
2072: }
2073: $result .= "</select></td></tr></table>";
2074: return $result;
2075: }
2076:
2077: sub postprocess {
2078: my $self = shift;
2079:
2080: my $var = $self->{'variable'};
2081: my $helper = Apache::lonhelper->getHelper();
2082: $helper->{VARS}->{$var} =
2083: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
2084: $ENV{"form.$var.paper"};
2085: return 1;
2086: }
2087:
2088: 1;
2089:
2090: package Apache::lonprintout::page_size_state;
2091:
2092: =pod
2093:
2094: =head1 Helper element: page_size_state
2095:
2096: See lonhelper.pm documentation for discussion of the helper framework.
2097:
2098: Apache::lonprintout::page_size_state is an element that gives the
2099: user the opportunity to further refine the page settings if they
2100: select a single-column page.
2101:
2102: page_size_state is always directly invoked in lonprintout.pm, so there
2103: is no tag interface. You actually pass parameters to the constructor.
2104:
2105: =over 4
2106:
2107: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2108:
2109: =back
2110:
2111: =cut
2112:
2113: use Apache::lonhelper;
2114:
2115: no strict;
2116: @ISA = ("Apache::lonhelper::element");
2117: use strict;
2118:
2119:
2120:
2121: sub new {
2122: my $self = Apache::lonhelper::element->new();
2123:
2124: shift; # disturbs me (probably prevents subclassing) but works (drops
2125: # package descriptor)... - Jeremy
2126:
2127: $self->{'variable'} = shift;
2128: my $helper = Apache::lonhelper::getHelper();
2129: $helper->declareVar($self->{'variable'});
2130:
2131: # The variable name of the format element, so we can look into
2132: # $helper->{VARS} to figure out whether the columns are one or two
2133: $self->{'formatvar'} = shift;
2134:
2135: # The state to transition to after selection, or after discovering
2136: # the cols are not set to 1
2137: $self->{NEXTSTATE} = shift;
2138: bless($self);
2139: return $self;
2140: }
2141:
2142: sub render {
2143: my $self = shift;
2144: my $helper = Apache::lonhelper::getHelper();
2145: my $result = '';
2146: my $var = $self->{'variable'};
2147:
2148: if (defined $self->{ERROR_MSG}) {
2149: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2150: }
2151:
2152: $result .= <<ELEMENTHTML;
2153:
2154: <p>How should the column be formatted?</p>
2155:
2156: <table cellpadding='3'>
2157: <tr>
2158: <td align='right'><b>Width</b>:</td>
2159: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2160: <td align='left'>
2161: <select name='$var.widthunit'>
2162: <option>cm</option><option>in</option>
2163: </select>
2164: </td>
2165: </tr>
2166: <tr>
2167: <td align='right'><b>Height</b>:</td>
2168: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2169: <td align='left'>
2170: <select name='$var.heightunit'>
2171: <option>cm</option><option>in</option>
2172: </select>
2173: </td>
2174: </tr>
2175: <tr>
2176: <td align='right'><b>Left margin</b>:</td>
2177: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2178: <td align='left'>
2179: <select name='$var.lmarginunit'>
2180: <option>cm</option><option>in</option>
2181: </select>
2182: </td>
2183: </tr>
2184: </table>
2185:
2186: <p>Hint: Some instructors like to leave scratch space for the student by
2187: making the width much smaller than the width of the page.</p>
2188:
2189: ELEMENTHTML
2190:
2191: return $result;
2192: }
2193:
2194: # If the user didn't select 1 column, skip this state.
2195: sub preprocess {
2196: my $self = shift;
2197: my $helper = Apache::lonhelper::getHelper();
2198:
2199: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2200: if (substr($format, 2, 1) ne '1') {
2201: $helper->changeState($self->{NEXTSTATE});
2202: }
2203:
2204: return 1;
2205: }
2206:
2207: sub postprocess {
2208: my $self = shift;
2209:
2210: my $var = $self->{'variable'};
2211: my $helper = Apache::lonhelper->getHelper();
2212: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
2213: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
2214: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
2215: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
2216: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
2217: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
2218:
2219: my $error = '';
2220:
2221: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2222: # by an optional period, followed by digits, ending the string
2223:
2224: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2225: $error .= "Invalid width; please type only a number.<br />\n";
2226: }
2227: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2228: $error .= "Invalid height; please type only a number.<br />\n";
2229: }
2230: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2231: $error .= "Invalid left margin; please type only a number.<br />\n";
2232: }
2233:
2234: if (!$error) {
2235: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2236: return 1;
2237: } else {
2238: $self->{ERROR_MSG} = $error;
2239: return 0;
2240: }
2241: }
2242:
2243:
2244:
2245: __END__
2246:
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