1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.316 2004/07/15 16:00:16 sakharuk 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: use GDBM_File;
45:
46:
47: my %hash;
48: my $LaTeXwidth = 0;
49:
50:
51: sub latex_header_footer_remove {
52: my $text = shift;
53: $text =~ s/\\end{document}//;
54: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
55: return $text;
56: }
57:
58:
59: sub character_chart {
60: my $result = shift;
61: $result =~ s/&\#0?0?(7|9);//g;
62: $result =~ s/&\#0?(10|13);//g;
63: $result =~ s/&\#0?32;/ /g;
64: $result =~ s/&\#0?33;/!/g;
65: $result =~ s/&(\#0?34|quot);/\"/g;
66: $result =~ s/&\#0?35;/\\\#/g;
67: $result =~ s/&\#0?36;/\\\$/g;
68: $result =~ s/&\#0?37;/\\%/g;
69: $result =~ s/&(\#0?38|amp);/\\&/g;
70: $result =~ s/&\#(0?39|146);/\'/g;
71: $result =~ s/&\#0?40;/(/g;
72: $result =~ s/&\#0?41;/)/g;
73: $result =~ s/&\#0?42;/\*/g;
74: $result =~ s/&\#0?43;/\+/g;
75: $result =~ s/&\#(0?44|130);/,/g;
76: $result =~ s/&\#0?45;/-/g;
77: $result =~ s/&\#0?46;/\./g;
78: $result =~ s/&\#0?47;/\//g;
79: $result =~ s/&\#0?48;/0/g;
80: $result =~ s/&\#0?49;/1/g;
81: $result =~ s/&\#0?50;/2/g;
82: $result =~ s/&\#0?51;/3/g;
83: $result =~ s/&\#0?52;/4/g;
84: $result =~ s/&\#0?53;/5/g;
85: $result =~ s/&\#0?54;/6/g;
86: $result =~ s/&\#0?55;/7/g;
87: $result =~ s/&\#0?56;/8/g;
88: $result =~ s/&\#0?57;/9/g;
89: $result =~ s/&\#0?58;/:/g;
90: $result =~ s/&\#0?59;/;/g;
91: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
92: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
93: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
94: $result =~ s/&\#0?63;/\?/g;
95: $result =~ s/&\#0?65;/A/g;
96: $result =~ s/&\#0?66;/B/g;
97: $result =~ s/&\#0?67;/C/g;
98: $result =~ s/&\#0?68;/D/g;
99: $result =~ s/&\#0?69;/E/g;
100: $result =~ s/&\#0?70;/F/g;
101: $result =~ s/&\#0?71;/G/g;
102: $result =~ s/&\#0?72;/H/g;
103: $result =~ s/&\#0?73;/I/g;
104: $result =~ s/&\#0?74;/J/g;
105: $result =~ s/&\#0?75;/K/g;
106: $result =~ s/&\#0?76;/L/g;
107: $result =~ s/&\#0?77;/M/g;
108: $result =~ s/&\#0?78;/N/g;
109: $result =~ s/&\#0?79;/O/g;
110: $result =~ s/&\#0?80;/P/g;
111: $result =~ s/&\#0?81;/Q/g;
112: $result =~ s/&\#0?82;/R/g;
113: $result =~ s/&\#0?83;/S/g;
114: $result =~ s/&\#0?84;/T/g;
115: $result =~ s/&\#0?85;/U/g;
116: $result =~ s/&\#0?86;/V/g;
117: $result =~ s/&\#0?87;/W/g;
118: $result =~ s/&\#0?88;/X/g;
119: $result =~ s/&\#0?89;/Y/g;
120: $result =~ s/&\#0?90;/Z/g;
121: $result =~ s/&\#0?91;/[/g;
122: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
123: $result =~ s/&\#0?93;/]/g;
124: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
125: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
126: $result =~ s/&\#(0?96|145);/\`/g;
127: $result =~ s/&\#0?97;/a/g;
128: $result =~ s/&\#0?98;/b/g;
129: $result =~ s/&\#0?99;/c/g;
130: $result =~ s/&\#100;/d/g;
131: $result =~ s/&\#101;/e/g;
132: $result =~ s/&\#102;/f/g;
133: $result =~ s/&\#103;/g/g;
134: $result =~ s/&\#104;/h/g;
135: $result =~ s/&\#105;/i/g;
136: $result =~ s/&\#106;/j/g;
137: $result =~ s/&\#107;/k/g;
138: $result =~ s/&\#108;/l/g;
139: $result =~ s/&\#109;/m/g;
140: $result =~ s/&\#110;/n/g;
141: $result =~ s/&\#111;/o/g;
142: $result =~ s/&\#112;/p/g;
143: $result =~ s/&\#113;/q/g;
144: $result =~ s/&\#114;/r/g;
145: $result =~ s/&\#115;/s/g;
146: $result =~ s/&\#116;/t/g;
147: $result =~ s/&\#117;/u/g;
148: $result =~ s/&\#118;/v/g;
149: $result =~ s/&\#119;/w/g;
150: $result =~ s/&\#120;/x/g;
151: $result =~ s/&\#121;/y/g;
152: $result =~ s/&\#122;/z/g;
153: $result =~ s/&\#123;/\\{/g;
154: $result =~ s/&\#124;/\|/g;
155: $result =~ s/&\#125;/\\}/g;
156: $result =~ s/&\#126;/\~/g;
157: $result =~ s/&\#131;/\\textflorin /g;
158: $result =~ s/&\#132;/\"/g;
159: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
160: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
161: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
162: $result =~ s/&\#137;/\\textperthousand /g;
163: $result =~ s/&\#140;/{\\OE}/g;
164: $result =~ s/&\#147;/\`\`/g;
165: $result =~ s/&\#148;/\'\'/g;
166: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
167: $result =~ s/&\#150;/--/g;
168: $result =~ s/&\#151;/---/g;
169: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
170: $result =~ s/&\#153;/\\texttrademark /g;
171: $result =~ s/&\#156;/\\oe/g;
172: $result =~ s/&\#159;/\\\"Y/g;
173: $result =~ s/&(\#160|nbsp);/~/g;
174: $result =~ s/&(\#161|iexcl);/!\`/g;
175: $result =~ s/&(\#162|cent);/\\textcent /g;
176: $result =~ s/&(\#163|pound);/\\pounds /g;
177: $result =~ s/&(\#164|curren);/\\textcurrency /g;
178: $result =~ s/&(\#165|yen);/\\textyen /g;
179: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
180: $result =~ s/&(\#167|sect);/\\textsection /g;
181: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
182: $result =~ s/&(\#169|copy);/\\copyright /g;
183: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
184: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
185: $result =~ s/&(\#173|shy);/ - /g;
186: $result =~ s/&(\#174|reg);/\\textregistered /g;
187: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
188: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
189: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
190: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
191: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
192: $result =~ s/&(\#180|acute);/\\textacute /g;
193: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
194: $result =~ s/&(\#182|para);/\\P/g;
195: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
196: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
197: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
198: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
199: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
200: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
201: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
202: $result =~ s/&(\#191|iquest);/?\`/g;
203: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
204: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
205: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
206: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
207: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
208: $result =~ s/&(\#197|Aring);/{\\AA}/g;
209: $result =~ s/&(\#198|AElig);/{\\AE}/g;
210: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
211: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
212: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
213: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
214: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
215: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
216: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
217: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
218: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
219: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
220: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
221: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
222: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
223: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
224: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
225: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
226: $result =~ s/&(\#216|Oslash);/{\\O}/g;
227: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
228: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
229: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
230: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
231: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
232: $result =~ s/&(\#223|szlig);/\\ss/g;
233: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
234: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
235: $result =~ s/&(\#226|acirc);/\\^{a}/g;
236: $result =~ s/&(\#227|atilde);/\\~{a}/g;
237: $result =~ s/&(\#228|auml);/\\\"{a}/g;
238: $result =~ s/&(\#229|aring);/{\\aa}/g;
239: $result =~ s/&(\#230|aelig);/{\\ae}/g;
240: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
241: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
242: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
243: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
244: $result =~ s/&(\#235|euml);/\\\"{e}/g;
245: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
246: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
247: $result =~ s/&(\#238|icirc);/\\^{i}/g;
248: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
249: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
250: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
251: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
252: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
253: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
254: $result =~ s/&(\#245|otilde);/\\~{o}/g;
255: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
256: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
257: $result =~ s/&(\#248|oslash);/{\\o}/g;
258: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
259: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
260: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
261: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
262: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
263: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
264: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
265: #Greek Alphabet
266: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
267: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
268: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
269: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
270: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
271: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
272: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
273: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
274: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
275: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
276: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
277: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
278: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
279: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
280: $result =~ s/&(omicron|\#959);/o/g;
281: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
282: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
283: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
284: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
285: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
286: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
287: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
288: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
289: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
290: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
291: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
292: $result =~ s/&(Alpha|\#913);/A/g;
293: $result =~ s/&(Beta|\#914);/B/g;
294: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
295: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
296: $result =~ s/&(Epsilon|\#917);/E/g;
297: $result =~ s/&(Zeta|\#918);/Z/g;
298: $result =~ s/&(Eta|\#919);/H/g;
299: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
300: $result =~ s/&(Iota|\#921);/I/g;
301: $result =~ s/&(Kappa|\#922);/K/g;
302: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
303: $result =~ s/&(Mu|\#924);/M/g;
304: $result =~ s/&(Nu|\#925);/N/g;
305: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
306: $result =~ s/&(Omicron|\#927);/O/g;
307: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
308: $result =~ s/&(Rho|\#929);/P/g;
309: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
310: $result =~ s/&(Tau|\#932);/T/g;
311: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
312: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
313: $result =~ s/&(Chi|\#935);/X/g;
314: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
315: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
316: #Arrows (extended HTML 4.01)
317: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
318: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
319: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
320: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
321: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
322: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
323: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
324: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
325: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
326: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
327: #Mathematical Operators (extended HTML 4.01)
328: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
329: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
330: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
331: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
332: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
333: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
334: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
335: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
336: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
337: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
338: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
339: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
340: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
341: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
342: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
343: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
344: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
345: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
346: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
347: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
348: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
349: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
350: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
351: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
352: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
353: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
354: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
355: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
356: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
357: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
358: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
359: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
360: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
361: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
362: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
363: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
364: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
365: #Geometric Shapes (extended HTML 4.01)
366: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
367: #Miscellaneous Symbols (extended HTML 4.01)
368: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
369: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
370: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
371: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
372: return $result;
373: }
374:
375:
376: sub page_format {
377: #
378: #Correspondence between $papersize variable and real paper format:
379: # 0 - "Letter [8 1/2x11 in]"
380: # 1 - "Legal [8 1/2x14 in]"
381: # 2 - "Ledger/Tabloid [11x17 in]"
382: # 3 - "Executive [7 1/2x10 in]"
383: # 4 - "A2 [420x594 mm]"
384: # 5 - "A3 [297x420 mm]"
385: # 6 - "A4 [210x297 mm]"
386: # 7 - "A5 [148x210 mm]"
387: # 8 - "A6 [105x148 mm]"
388: #
389: my ($papersize,$layout,$numberofcolumns) = @_;
390: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = (0,0,0,0,0);
391: if ($papersize eq '0') {
392: if ($layout eq 'book') {
393: if ($numberofcolumns == 1) {
394: $textwidth = '7.1 in'; #'18 cm';
395: $textheight = '10.2 in'; #'25.9 cm';
396: $oddoffset = '-0.57 in';
397: $evenoffset = '-0.57 in';
398: } elsif ($numberofcolumns == 2) {
399: $textwidth = '3.66 in'; #'93 mm';
400: $textheight = '10.2 in'; #'25.9 cm';
401: $oddoffset = '-0.57 in';
402: $evenoffset = '-0.57 in';
403: }
404: } elsif ($layout eq 'album') {
405: if ($numberofcolumns eq '1') {
406: $textwidth = '8.8 in';
407: $textheight = '6.8 in';
408: $oddoffset = '-40 pt';
409: $evenoffset = '-60 pt';
410: } elsif ($numberofcolumns == 2) {
411: $textwidth = '4.4 in';
412: $textheight = '6.8 in';
413: $oddoffset = '-0.5 in';
414: $evenoffset = '-1.5 in';
415: $topmargin = '3.5 in';
416: }
417: }
418: # } elsif($papersize eq '1') {
419: # } elsif($papersize eq '2') {
420: # } elsif($papersize eq '3'/) {
421: } elsif($papersize eq '6') {
422: if ($layout eq 'book') {
423: if ($numberofcolumns == 1) {
424: $textwidth = '176 mm';
425: $textheight = '254 mm';
426: $oddoffset = '-0.57 in';
427: $evenoffset = '-0.57 in';
428: } elsif ($numberofcolumns == 2) {
429: $textwidth = '91 mm';
430: $textheight = '254 mm';
431: $oddoffset = '-0.57 in';
432: $evenoffset = '-0.57 in';
433: }
434: } elsif ($layout eq 'album') {
435: if ($numberofcolumns eq '1') {
436: $textwidth = '8.5 in';
437: $textheight = '7.7 in';
438: $oddoffset = '-40 pt';
439: $evenoffset = '-60 pt';
440: } elsif ($numberofcolumns == 2) {
441: $textwidth = '3.9 in';
442: $textheight = '7.7 in';
443: $oddoffset = '-40 pt';
444: $evenoffset = '-60 pt';
445: }
446: }
447: # } elsif($papersize eq '5') {
448: # } elsif($papersize eq '4') {
449: # } elsif($papersize eq '7') {
450: # } elsif($papersize eq '8') {
451: }
452: return $textwidth,$textheight,$oddoffset,$evenoffset,$topmargin;
453: }
454:
455:
456: sub get_name {
457: my ($uname,$udom)=@_;
458: if (!defined($uname)) { $uname=$ENV{'user.name'}; }
459: if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
460: my $plainname=&Apache::loncommon::plainname($uname,$udom);
461: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
462: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
463: return $plainname;
464: }
465:
466: sub get_course {
467: my $courseidinfo;
468: if (defined($ENV{'request.course.id'})) {
469: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
470: }
471: return $courseidinfo;
472: }
473:
474: sub page_format_transformation {
475: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
476: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
477: if ($selectionmade eq '4') {
478: $assignment='Problems from the Whole Course';
479: } else {
480: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
481: }
482: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
483: my $name = &get_name();
484: my $courseidinfo = &get_course();
485: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
486: if ($layout eq 'album') {
487: my $topmargintoinsert = '';
488: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
489: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}} \\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1} /;
490: } elsif ($layout eq 'book') {
491: if ($choice ne 'All class print') {
492: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/;
493: } else {
494: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /;
495: }
496: }
497: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
498: if ($indexlist eq 'yes') {
499: $text=~s/(\\begin{document})/\\makeindex $1/;
500: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
501: }
502: return $text;
503: }
504:
505:
506: sub page_cleanup {
507: my $result = shift;
508:
509: $result =~ m/\\end{document}(\d*)$/;
510: my $number_of_columns = $1;
511: my $insert = '{';
512: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
513: $insert .= '}';
514: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
515: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
516: return $result,$number_of_columns;
517: }
518:
519:
520: sub details_for_menu {
521:
522: my $name_of_resourse = &Apache::lonnet::gettitle($ENV{'form.postdata'});
523: my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
524: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
525: $map=&Apache::lonnet::clutter($map);
526: my $name_of_sequence = &Apache::lonnet::gettitle($map);
527: if ($name_of_sequence =~ /^\s*$/) {
528: $map =~ m|([^/]+)$|;
529: $name_of_sequence = $1;
530: }
531: my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'});
532: if ($name_of_map =~ /^\s*$/) {
533: $ENV{'request.course.uri'} =~ m|([^/]+)$|;
534: $name_of_map = $1;
535: }
536: return ($name_of_resourse,$name_of_sequence,$name_of_map);
537:
538: }
539:
540:
541: sub latex_corrections {
542:
543: my ($number_of_columns,$result,$selectionmade) = @_;
544:
545: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
546: $result =~ s/\$number_of_columns/$number_of_columns/g;
547: if ($selectionmade ne '1') {
548: $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/;
549: } else {
550: $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/;
551: }
552: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
553: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
554: #-- LaTeX corrections
555: my $first_comment = index($result,'<!--',0);
556: while ($first_comment != -1) {
557: my $end_comment = index($result,'-->',$first_comment);
558: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
559: $first_comment = index($result,'<!--',$first_comment);
560: }
561: $result =~ s/^\s+$//gm; #remove empty lines
562: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
563: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
564: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
565: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
566: $result =~ s/\\\\\s+\[/ \[/g;
567: #conversion of html characters to LaTeX equivalents
568: if ($result =~ m/&(\w+|#\d+);/) {
569: $result = &character_chart($result);
570: }
571: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
572: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
573:
574: return $result;
575: }
576:
577:
578: sub index_table {
579: my $currentURL = shift;
580: my $insex_string='';
581: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
582: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
583: return $insex_string;
584: }
585:
586:
587: sub IndexCreation {
588: my ($texversion,$currentURL)=@_;
589: my @key_words=split(/,/,&index_table($currentURL));
590: my $chunk='';
591: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
592: if ($st>0) {
593: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
594: $chunk=substr($texversion,0,$st+1);
595: substr($texversion,0,$st+1)=' ';
596: }
597: foreach my $key_word (@key_words) {
598: if ($key_word=~/\S+/) {
599: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
600: }
601: }
602: if ($st>0) {substr($texversion,0,1)=$chunk;}
603: return $texversion;
604: }
605:
606: sub print_latex_header {
607: my $mode=shift;
608: my $output='\documentclass[letterpaper]{article}';
609: if ($mode eq 'batchmode') {
610: $output.='\batchmode';
611: }
612: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'.
613: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
614: '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
615: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
616: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
617: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
618: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
619: '\setlength{\abovedisplayshortskip}{-0.04in}'.
620: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
621: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
622: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
623: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
624: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
625: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
626: '\setlength{\abovedisplayshortskip}{-0.04in}'.
627: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
628: return $output;
629: }
630:
631: sub path_to_problem {
632: my ($urlp,$LaTeXwidth)=@_;
633: my $newurlp = '';
634: $LaTeXwidth=~s/\s*mm\s*$//;
635: my $HowMany = length($urlp)*2;
636: if ($HowMany > $LaTeXwidth) {
637: my @temporrary = split '/',$urlp;
638: my $HowManyNew = 0;
639: for (my $ii=0;$ii<=$#temporrary;$ii++) {
640: if ($temporrary[$ii] ne '') {
641: $HowManyNew += length($temporrary[$ii])*2;
642: if ($HowManyNew < $LaTeXwidth ) {
643: $newurlp .= '/'.$temporrary[$ii];
644: } else {
645: $HowManyNew = 0;
646: $newurlp .= '|\vskip -1 mm \noindent \verb|';
647: $ii--;
648: }
649: }
650: }
651: } else {
652: $newurlp=$urlp;
653: }
654: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
655: }
656:
657: sub recalcto_mm {
658: my $textwidth=shift;
659: my $LaTeXwidth;
660: if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
661: $LaTeXwidth = $1*10;
662: } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
663: $LaTeXwidth = $1;
664: } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
665: $LaTeXwidth = $1*25.4;
666: }
667: $LaTeXwidth.=' mm';
668: return $LaTeXwidth;
669: }
670:
671: sub get_textwidth {
672: my ($helper,$LaTeXwidth)=@_;
673: my $textwidth=$LaTeXwidth;
674: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
675: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
676: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
677: $helper->{'VARS'}->{'pagesize.widthunit'});
678: }
679: return $textwidth;
680: }
681:
682:
683: sub unsupported {
684: my ($currentURL,$mode)=@_;
685: if ($mode ne '') {$mode='\\'.$mode}
686: my $result.= &print_latex_header($mode);
687: if ($currentURL=~/\/ext\//) {
688: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
689: } else {
690: $result.=$currentURL;
691: }
692: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
693: return $result;
694: }
695:
696:
697: sub output_data {
698: my ($r,$helper,$rparmhash) = @_;
699: my %parmhash = %$rparmhash;
700: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
701: $r->print(<<ENDPART);
702: <html>
703: <script type="text/javascript" language="Javascript" >
704: var editbrowser;
705: function openbrowser(formname,elementname,only,omit) {
706: var url = '/res/?';
707: if (editbrowser == null) {
708: url += 'launch=1&';
709: }
710: url += 'catalogmode=interactive&';
711: url += 'mode=parmset&';
712: url += 'form=' + formname + '&';
713: if (only != null) {
714: url += 'only=' + only + '&';
715: }
716: if (omit != null) {
717: url += 'omit=' + omit + '&';
718: }
719: url += 'element=' + elementname + '';
720: var title = 'Browser';
721: var options = 'scrollbars=1,resizable=1,menubar=0';
722: options += ',width=700,height=600';
723: editbrowser = open(url,title,options,'1');
724: editbrowser.focus();
725: }
726: </script>
727: <head>
728: <title>LON-CAPA output for printing</title>
729: </head>
730: $bodytag
731: Please stand by while processing your print request, this may take some time ...
732: ENDPART
733:
734: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
735: my ($result,$selectionmade) = ('','');
736: my $number_of_columns = 1; #used only for pages to determine the width of the cell
737: my @temporary_array=split /\|/,$format_from_helper;
738: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
739: if ($laystyle eq 'L') {
740: $laystyle='album';
741: } else {
742: $laystyle='book';
743: }
744: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
745: my $assignment = $ENV{'form.assignment'};
746: my $LaTeXwidth=&recalcto_mm($textwidth);
747: my @print_array=();
748: my @student_names=();
749:
750: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
751: #-- single document - problem, page, html, xml, ...
752: my $currentURL;
753: if ($helper->{'VARS'}->{'construction'} ne '1') {
754: #prints published resource
755: $currentURL=$helper->{'VARS'}->{'postdata'};
756: } else {
757: #prints resource from the construction space
758: $currentURL='/'.$helper->{'VARS'}->{'filename'};
759: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
760: }
761: $selectionmade = 1;
762: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
763: my $rndseed=time;
764: my $texversion='';
765: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
766: my %moreenv;
767: $moreenv{'request.filename'}=$currentURL;
768: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
769: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
770: my $dom = $ENV{'user.domain'};
771: my $user = $ENV{'user.name'};
772: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
773: }
774: my %form;
775: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
776: $form{'grade_target'}='tex';
777: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
778: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
779: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
780: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
781: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
782: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
783: if ($helper->{'VARS'}->{'curseed'}) {
784: $rndseed=$helper->{'VARS'}->{'curseed'};
785: }
786: $form{'rndseed'}=$rndseed;
787: &Apache::lonnet::appenv(%moreenv);
788: &Apache::lonnet::delenv('form.counter');
789: &Apache::lonxml::init_counter();
790: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
791: &Apache::lonnet::delenv('form.counter');
792: &Apache::lonnet::delenv('request.filename');
793: }
794: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
795: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
796: my %form;
797: $form{'grade_target'}='answer';
798: $form{'answer_output_mode'}='tex';
799: $form{'rndseed'}=$rndseed;
800: my $answer=&Apache::lonnet::ssi($currentURL,%form);
801: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
802: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
803: } else {
804: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
805: if ($helper->{'VARS'}->{'construction'} ne '1') {
806: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
807: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
808: } else {
809: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
810: my $URLpath=$currentURL;
811: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
812: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
813: }
814: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
815: }
816: }
817: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
818: $texversion=&IndexCreation($texversion,$currentURL);
819: }
820: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
821: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
822:
823: }
824: $result .= $texversion;
825: if ($currentURL=~m/\.page\s*$/) {
826: ($result,$number_of_columns) = &page_cleanup($result);
827: }
828: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
829: #printing content of sequence from the construction space
830: my $flag_latex_header_remove = 'NO';
831: my $rndseed=time;
832: if ($helper->{'VARS'}->{'curseed'}) {
833: $rndseed=$helper->{'VARS'}->{'curseed'};
834: }
835: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
836: my $errtext=&Apache::lonratedt::mapread($currentURL);
837: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
838: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
839: my $urlp=$2;
840: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
841: my $texversion='';
842: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
843: my %form;
844: $form{'grade_target'}='tex';
845: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
846: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
847: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
848: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
849: $form{'rndseed'}=$rndseed;
850: $texversion=&Apache::lonnet::ssi($urlp,%form);
851: }
852: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
853: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
854: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
855: my %form;
856: $form{'grade_target'}='answer';
857: $form{'answer_output_mode'}='tex';
858: $form{'rndseed'}=$rndseed;
859: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
860: my $answer=&Apache::lonnet::ssi($urlp,%form);
861: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
862: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
863: } else {
864: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
865: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
866: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
867: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
868: }
869: }
870: if ($flag_latex_header_remove ne 'NO') {
871: $texversion = &latex_header_footer_remove($texversion);
872: } else {
873: $texversion =~ s/\\end{document}//;
874: }
875: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
876: $texversion=&IndexCreation($texversion,$urlp);
877: }
878: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
879: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
880: }
881: $result.=$texversion;
882: $flag_latex_header_remove = 'YES';
883: } elsif ($urlp=~/\.(sequence|page)$/) {
884: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
885: }
886: }
887: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
888: $result .= '\end{document}';
889: } elsif ($currentURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
890: my %form;
891: $form{'grade_target'}='tex';
892: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
893: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
894: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
895: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
896: $result .= $texversion;
897: } else {
898: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
899: }
900: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
901: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
902: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
903: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
904: #-- produce an output string
905: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
906: $selectionmade = 2;
907: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
908: $selectionmade = 3;
909: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
910: $selectionmade = 4;
911: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
912: $selectionmade = 7;
913: }
914: my %form=();
915: $form{'grade_target'}='tex';
916: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
917: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
918: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
919: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
920: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
921: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
922: my $flag_latex_header_remove = 'NO';
923: my $flag_page_in_sequence = 'NO';
924: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
925: my $prevassignment='';
926: &Apache::lonnet::delenv('form.counter');
927: &Apache::lonxml::init_counter();
928: for (my $i=0;$i<=$#master_seq;$i++) {
929: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
930: $urlp=&Apache::lonnet::clutter($urlp);
931: $form{'symb'}=$master_seq[$i];
932: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
933: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
934: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
935: if ($i==0) {$prevassignment=$assignment;}
936: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
937: my $texversion='';
938: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
939: $texversion.=&Apache::lonnet::ssi($urlp,%form);
940: if ($urlp=~/\.page$/) {
941: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
942: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
943: $texversion =~ s/\\end{document}\d*/\\end{document}/;
944: $flag_page_in_sequence = 'YES';
945: }
946: my $lonidsdir=$r->dir_config('lonIDsDir');
947: my $envfile=$ENV{'user.environment'};
948: $envfile=~/\/([^\/]+)\.id$/;
949: $envfile=$1;
950: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
951: my $current_counter=$ENV{'form.counter'};
952: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
953: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
954: my %form;
955: $form{'grade_target'}='answer';
956: $form{'answer_output_mode'}='tex';
957: my $answer=&Apache::lonnet::ssi($urlp,%form);
958: &Apache::lonnet::appenv(('form.counter' => $current_counter));
959: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
960: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
961: } else {
962: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
963: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
964: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
965: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
966: $texversion.='\vskip 1 mm '.$answer;
967: } else {
968: $texversion='';
969: }
970: }
971: }
972: if ($flag_latex_header_remove ne 'NO') {
973: $texversion = &latex_header_footer_remove($texversion);
974: } else {
975: $texversion =~ s/\\end{document}//;
976: }
977: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
978: $texversion=&IndexCreation($texversion,$urlp);
979: }
980: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
981: my $name = &get_name();
982: my $courseidinfo = &get_course();
983: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
984: $prevassignment=$assignment;
985: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
986: }
987: $result .= $texversion;
988: $flag_latex_header_remove = 'YES';
989: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
990: my %form;
991: $form{'grade_target'}='tex';
992: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
993: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
994: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
995: my $texversion=&Apache::lonnet::ssi($urlp,%form);
996: if ($flag_latex_header_remove ne 'NO') {
997: $texversion = &latex_header_footer_remove($texversion);
998: } else {
999: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1000: }
1001: $result .= $texversion;
1002: $flag_latex_header_remove = 'YES';
1003: } else {
1004: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1005: if ($flag_latex_header_remove ne 'NO') {
1006: $texversion = &latex_header_footer_remove($texversion);
1007: } else {
1008: $texversion =~ s/\\end{document}//;
1009: }
1010: $result .= $texversion;
1011: $flag_latex_header_remove = 'YES';
1012: }
1013: }
1014: &Apache::lonnet::delenv('form.counter');
1015: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
1016: $result .= '\end{document}';
1017: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1018: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1019: #-- prints assignments for whole class or for selected students
1020: my $type;
1021: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1022: $selectionmade=5;
1023: $type='problems';
1024: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1025: $selectionmade=8;
1026: $type='resources';
1027: }
1028: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1029: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1030: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1031: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1032: }
1033: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1034: #loop over students
1035: my $flag_latex_header_remove = 'NO';
1036: my %moreenv;
1037: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1038: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1039: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1040: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
1041: my $student_counter=-1;
1042: foreach my $person (@students) {
1043: my $duefile="/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
1044: if (-e $duefile) {
1045: my $temp_file = Apache::File->new('>>'.$duefile);
1046: print $temp_file "1969\n";
1047: }
1048: $student_counter++;
1049: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1050: my ($output,$fullname)=&print_resources($r,$helper,$person,$type,\%moreenv,\@master_seq,$flag_latex_header_remove);
1051: $print_array[$i].=$output;
1052: $student_names[$i].=$person.':'.$fullname.'_END_';
1053: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1054: $flag_latex_header_remove = 'YES';
1055: }
1056: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1057: $result .= $print_array[0].' \end{document}';
1058: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1059: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1060: my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1061: my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1062: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1063: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1064: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1065: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1066: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1067: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1068: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1069: $number_per_page=$num_todo;
1070: }
1071: my $flag_latex_header_remove = 'NO';
1072: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1073: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1074: my $seed=time+($$<<16)+($$);
1075: my @allcodes;
1076: if ($old_name) {
1077: my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
1078: @allcodes=split(',',$result{$old_name});
1079: } else {
1080: my %allcodes;
1081: srand($seed);
1082: for (my $i=0;$i<$num_todo;$i++) {
1083: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
1084: }
1085: if ($code_name) {
1086: &Apache::lonnet::put('CODEs',
1087: {$code_name =>join(',',keys(%allcodes))},
1088: $cdom,$cnum);
1089: }
1090: @allcodes=keys(%allcodes);
1091: }
1092: my $count=0;
1093: foreach my $code (sort(@allcodes)) {
1094: my $file_num=int($count/$number_per_page);
1095: $moreenv{'CODE'}=&num_to_letters($code);
1096: my ($output,$fullname)=
1097: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1098: \@master_seq,$flag_latex_header_remove);
1099: $print_array[$file_num].=$output;
1100: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1101: &mt('last assignment').' '.$fullname);
1102: $flag_latex_header_remove = 'YES';
1103: $count++;
1104: }
1105: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1106: $result .= $print_array[0].' \end{document}';
1107: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1108: #prints selected problems from the subdirectory
1109: $selectionmade = 6;
1110: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1111: @list_of_files=sort @list_of_files;
1112: my $flag_latex_header_remove = 'NO';
1113: my $rndseed=time;
1114: if ($helper->{'VARS'}->{'curseed'}) {
1115: $rndseed=$helper->{'VARS'}->{'curseed'};
1116: }
1117: for (my $i=0;$i<=$#list_of_files;$i++) {
1118: my $urlp = $list_of_files[$i];
1119: $urlp=~s|//|/|;
1120: if ($urlp=~/\//) {
1121: my %form;
1122: $form{'grade_target'}='tex';
1123: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1124: $form{'rndseed'}=$rndseed;
1125: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1126: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1127: } else {
1128: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1129: }
1130: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1131: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1132: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1133: my %form;
1134: $form{'grade_target'}='answer';
1135: $form{'answer_output_mode'}='tex';
1136: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1137: $form{'rndseed'}=$rndseed;
1138: my $answer=&Apache::lonnet::ssi($urlp,%form);
1139: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1140: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1141: } else {
1142: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1143: if ($helper->{'VARS'}->{'construction'} ne '1') {
1144: $texversion.='\vskip 0 mm \noindent ';
1145: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1146: } else {
1147: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1148: my $URLpath=$urlp;
1149: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1150: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1151: }
1152: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1153: }
1154: }
1155: #this chunck is responsible for printing the path to problem
1156: my $newurlp=$urlp;
1157: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1158: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1159: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1160: if ($flag_latex_header_remove ne 'NO') {
1161: $texversion = &latex_header_footer_remove($texversion);
1162: } else {
1163: $texversion =~ s/\\end{document}//;
1164: }
1165: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1166: $texversion=&IndexCreation($texversion,$urlp);
1167: }
1168: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1169: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1170:
1171: }
1172: $result .= $texversion;
1173: }
1174: $flag_latex_header_remove = 'YES';
1175: }
1176: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1177: $result .= '\end{document}';
1178: }
1179: #-------------------------------------------------------- corrections for the different page formats
1180: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1181: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1182: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1183: #changes page's parameters for the one column output
1184: if ($numberofcolumns == 1) {
1185: $result =~ s/\\textwidth\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1186: $result =~ s/\\textheight\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1187: $result =~ s/\\evensidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1188: $result =~ s/\\oddsidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1189: }
1190: #-- writing .tex file in prtspool
1191: my $temp_file;
1192: my $identifier = &Apache::loncommon::get_cgi_id();
1193: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
1194: if (!($#print_array>0)) {
1195: unless ($temp_file = Apache::File->new('>'.$filename)) {
1196: $r->log_error("Couldn't open $filename for output $!");
1197: return SERVER_ERROR;
1198: }
1199: print $temp_file $result;
1200: my $begin=index($result,'\begin{document}',0);
1201: my $inc=substr($result,0,$begin+16);
1202: } else {
1203: my $begin=index($result,'\begin{document}',0);
1204: my $inc=substr($result,0,$begin+16);
1205: for (my $i=0;$i<=$#print_array;$i++) {
1206: if ($i==0) {
1207: $print_array[$i]=$result;
1208: } else {
1209: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1210: substr($print_array[$i],0,$anobegin)='';
1211: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1212: }
1213: my $temp_file;
1214: my $newfilename=$filename;
1215: my $num=$i+1;
1216: $newfilename =~s/\.tex$/_$num\.tex/;
1217: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1218: $r->log_error("Couldn't open $newfilename for output $!");
1219: return SERVER_ERROR;
1220: }
1221: print $temp_file $print_array[$i];
1222: }
1223: }
1224: my $student_names='';
1225: if ($#print_array>0) {
1226: for (my $i=0;$i<=$#print_array;$i++) {
1227: $student_names.=$student_names[$i].'_ENDPERSON_';
1228: }
1229: } else {
1230: if ($#student_names>-1) {
1231: $student_names=$student_names[0].'_ENDPERSON_';
1232: } else {
1233: my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
1234: $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
1235: $ENV{'request.course.sec'},$fullname).
1236: '_ENDPERSON_'.'_END_';
1237: }
1238: }
1239:
1240: my $URLback=''; #link to original document
1241: if ($helper->{'VARS'}->{'construction'} ne '1') {
1242: #prints published resource
1243: $URLback=$helper->{'VARS'}->{'postdata'};
1244: } else {
1245: #prints resource from the construction space
1246: $URLback='/'.$helper->{'VARS'}->{'filename'};
1247: if ($URLback=~/([^?]+)/) {
1248: $URLback=$1;
1249: $URLback=~s|^/~|/priv/|;
1250: }
1251: }
1252:
1253: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1254: 'cgi.'.$identifier.'.layout' => $laystyle,
1255: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1256: 'cgi.'.$identifier.'.paper' => $papersize,
1257: 'cgi.'.$identifier.'.selection' => $selectionmade,
1258: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1259: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1260: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1261: 'cgi.'.$identifier.'numberoffiles' => $#print_array,
1262: 'cgi.'.$identifier.'studentnames' => $student_names,
1263: 'cgi.'.$identifier.'backref' => $URLback,);
1264:
1265: $r->print(<<FINALEND);
1266: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1267: </body>
1268: </html>
1269: FINALEND
1270: }
1271:
1272: sub num_to_letters {
1273: my ($num) = @_;
1274: my @nums= split('',$num);
1275: my @num_to_let=('A'..'Z');
1276: my $word;
1277: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1278: return $word;
1279: }
1280:
1281: sub get_CODE {
1282: my ($all_codes,$num,$seed,$size)=@_;
1283: my $max='1'.'0'x$size;
1284: my $newcode;
1285: while(1) {
1286: $newcode=sprintf("%06d",int(rand($max)));
1287: if (!exists($$all_codes{$newcode})) {
1288: $$all_codes{$newcode}=1;
1289: return &num_to_letters($newcode);
1290: }
1291: }
1292: }
1293:
1294: sub print_resources {
1295: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header)=@_;
1296: my $current_output = '';
1297: my ($username,$userdomain,$usersection) = split /:/,$person;
1298: my $fullname = &get_name($username,$userdomain);
1299: if ($person =~ 'anon') {
1300: $fullname = "CODE - ".$moreenv->{'CODE'};
1301: }
1302: #goes through all resources, checks if they are available for
1303: #current student, and produces output
1304: &Apache::lonnet::delenv('form.counter');
1305: &Apache::lonxml::init_counter();
1306: foreach my $curresline (@{$master_seq}) {
1307: if ( !($type eq 'problems' &&
1308: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1309: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1310: if (&Apache::lonnet::allowed('bre',$res_url)) {
1311: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1312: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1313: my $lonidsdir=$r->dir_config('lonIDsDir');
1314: my $envfile=$ENV{'user.environment'};
1315: $envfile=~/\/([^\/]+)\.id$/;
1316: $envfile=$1;
1317: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1318: my $current_counter=$ENV{'form.counter'};
1319: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1320: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1321: my %form;
1322: $form{'answer_output_mode'}='tex';
1323: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1324: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
1325: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1326: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1327: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1328: } else {
1329: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1330: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1331: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1332: $rendered.='\vskip 1 mm '.$ansrendered;
1333: }
1334: }
1335: if ($remove_latex_header eq 'YES') {
1336: $rendered = &latex_header_footer_remove($rendered);
1337: } else {
1338: $rendered =~ s/\\end{document}//;
1339: }
1340: $current_output .= $rendered;
1341: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1342: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1343: my $lonidsdir=$r->dir_config('lonIDsDir');
1344: my $envfile=$ENV{'user.environment'};
1345: $envfile=~/\/([^\/]+)\.id$/;
1346: $envfile=$1;
1347: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1348: my $current_counter=$ENV{'form.counter'};
1349: if ($remove_latex_header eq 'YES') {
1350: $rendered = &latex_header_footer_remove($rendered);
1351: } else {
1352: $rendered =~ s/\\end{document}//;
1353: }
1354: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1355: } else {
1356: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1357: if ($remove_latex_header ne 'NO') {
1358: $rendered = &latex_header_footer_remove($rendered);
1359: } else {
1360: $rendered =~ s/\\end{document}//;
1361: }
1362: $current_output .= $rendered;
1363: }
1364: }
1365: $remove_latex_header = 'YES';
1366: }
1367: }
1368: my $courseidinfo = &get_course();
1369: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1370: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1371: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1372: if ($current_output=~/\\documentclass/) {
1373: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
1374: } else {
1375: my $blankpages = '';
1376: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1377: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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.'}}} \vskip -5 mm '.$current_output;
1378: }
1379: return ($current_output,$fullname);
1380:
1381: }
1382:
1383: sub handler {
1384:
1385: my $r = shift;
1386: my $helper;
1387:
1388: # my $loaderror=&Apache::lonnet::overloaderror($r);
1389: # if ($loaderror) { return $loaderror; }
1390: # $loaderror=
1391: # &Apache::lonnet::overloaderror($r,
1392: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
1393: # if ($loaderror) { return $loaderror; }
1394:
1395: my $result = printHelper($r);
1396: if (!ref($result)) {
1397: return $result;
1398: }
1399: $helper = $result;
1400:
1401: # my $key;
1402: # foreach $key (keys %{$helper->{'VARS'}}) {
1403: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1404: # }
1405: # foreach $key (keys %ENV) {
1406: # $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
1407: # }
1408: # return OK;
1409:
1410: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1411:
1412: # my $key;
1413: # foreach $key (keys %parmhash) {
1414: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1415: # }
1416: # return OK;
1417:
1418: &output_data($r,$helper,\%parmhash);
1419: return OK;
1420: }
1421:
1422: use Apache::lonhelper;
1423:
1424: sub addMessage {
1425: my $text = shift;
1426: my $paramHash = Apache::lonhelper::getParamHash();
1427: $paramHash->{MESSAGE_TEXT} = $text;
1428: Apache::lonhelper::message->new();
1429: }
1430:
1431: use Data::Dumper;
1432:
1433: sub printHelper {
1434: my $r = shift;
1435:
1436: if ($ENV{'request.course.id'}) {
1437: my $fn=$ENV{'request.course.fn'};
1438: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1439: }
1440:
1441: if ($r->header_only) {
1442: if ($ENV{'browser.mathml'}) {
1443: &Apache::loncommon::content_type($r,'text/xml');
1444: } else {
1445: &Apache::loncommon::content_type($r,'text/html');
1446: }
1447: $r->send_http_header;
1448: return OK;
1449: }
1450:
1451: # Send header, nocache
1452: if ($ENV{'browser.mathml'}) {
1453: &Apache::loncommon::content_type($r,'text/xml');
1454: } else {
1455: &Apache::loncommon::content_type($r,'text/html');
1456: }
1457: &Apache::loncommon::no_cache($r);
1458: $r->send_http_header;
1459: $r->rflush();
1460:
1461: # Unfortunately, this helper is so complicated we have to
1462: # write it by hand
1463:
1464: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1465:
1466: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1467: $helper->declareVar('symb');
1468: $helper->declareVar('postdata');
1469: $helper->declareVar('curseed');
1470: $helper->declareVar('probstatus');
1471: $helper->declareVar('filename');
1472: $helper->declareVar('construction');
1473: $helper->declareVar('assignment');
1474: $helper->declareVar('style_file');
1475:
1476: # This will persistently load in the data we want from the
1477: # very first screen.
1478: # Detect whether we're coming from construction space
1479: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1480: $helper->{VARS}->{'filename'} = "~$1/$2";
1481: $helper->{VARS}->{'construction'} = 1;
1482: } else {
1483: if ($ENV{'form.postdata'}) {
1484: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
1485: }
1486: if ($ENV{'form.symb'}) {
1487: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1488: }
1489: if ($ENV{'form.url'}) {
1490: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1491: }
1492: }
1493:
1494: if ($ENV{'form.symb'}) {
1495: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1496: }
1497: if ($ENV{'form.url'}) {
1498: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1499:
1500: }
1501:
1502: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1503: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1504:
1505:
1506: # Extract map
1507: my $symb = $helper->{VARS}->{'symb'};
1508: my ($map, $id, $url);
1509: my $subdir;
1510:
1511: # Get the resource name from construction space
1512: if ($helper->{VARS}->{'construction'}) {
1513: $resourceTitle = substr($helper->{VARS}->{'filename'},
1514: rindex($helper->{VARS}->{'filename'}, '/')+1);
1515: $subdir = substr($helper->{VARS}->{'filename'},
1516: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1517: } else {
1518: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1519: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1520:
1521: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1522: my $postdata = $helper->{VARS}->{'postdata'};
1523: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1524: }
1525: $subdir = &Apache::lonnet::filelocation("", $url);
1526: }
1527: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
1528: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
1529: }
1530: if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) {
1531: $helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'};
1532: }
1533:
1534: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1535: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
1536: $ENV{'request.role'}=~m/^in\./ or
1537: $ENV{'request.role'}=~m/^ta\./);
1538:
1539: Apache::lonhelper::registerHelperTags();
1540:
1541: # "Delete everything after the last slash."
1542: $subdir =~ s|/[^/]+$||;
1543: if (not $helper->{VARS}->{'construction'}) {
1544: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1545: }
1546: # "Remove all duplicate slashes."
1547: $subdir =~ s|/+|/|g;
1548:
1549: # What can be printed is a very dynamic decision based on
1550: # lots of factors. So we need to dynamically build this list.
1551: # To prevent security leaks, states are only added to the wizard
1552: # if they can be reached, which ensures manipulating the form input
1553: # won't allow anyone to reach states they shouldn't have permission
1554: # to reach.
1555:
1556: # printChoices is tracking the kind of printing the user can
1557: # do, and will be used in a choices construction later.
1558: # In the meantime we will be adding states and elements to
1559: # the helper by hand.
1560: my $printChoices = [];
1561: my $paramHash;
1562:
1563: if ($resourceTitle) {
1564: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1565: }
1566:
1567: # Useful filter strings
1568: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1569: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1570: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
1571: my $isNotMap = '!$res->is_sequence()';
1572: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1573: my $isMap = '$res->is_map()';
1574: my $symbFilter = '$res->symb()';
1575: my $urlValue = '$res->src()';
1576:
1577: $helper->declareVar('SEQUENCE');
1578:
1579: # Useful for debugging: Dump the help vars
1580: #$r->print(Dumper($helper->{VARS}));
1581: #$r->print($map);
1582:
1583: # If we're in a sequence...
1584: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1585: $helper->{VARS}->{'postdata'} &&
1586: $helper->{VARS}->{'assignment'}) {
1587: # Allow problems from sequence
1588: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1589: # Allow all resources from sequence
1590: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1591:
1592: my $helperFragment = <<HELPERFRAGMENT;
1593: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1594: <message>(mark them then click "next" button) <br /></message>
1595: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1596: closeallpages="1">
1597: <nextstate>PAGESIZE</nextstate>
1598: <filterfunc>return $isProblem;</filterfunc>
1599: <mapurl>$map</mapurl>
1600: <valuefunc>return $symbFilter;</valuefunc>
1601: </resource>
1602: </state>
1603:
1604: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1605: <message>(mark them then click "next" button) <br /></message>
1606: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1607: closeallpages="1">
1608: <nextstate>PAGESIZE</nextstate>
1609: <filterfunc>return $isNotMap;</filterfunc>
1610: <mapurl>$map</mapurl>
1611: <valuefunc>return $symbFilter;</valuefunc>
1612: </resource>
1613: </state>
1614: HELPERFRAGMENT
1615:
1616: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1617: }
1618:
1619: # If the user is priviledged, allow them to print all
1620: # problems in the course, optionally for selected students
1621: if ($userPriviledged &&
1622: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
1623: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1624: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1625: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1626: <message>(mark them then click "next" button) <br /></message>
1627: <resource variable="RESOURCES" toponly='0' multichoice="1"
1628: suppressEmptySequences='0' addstatus="1" closeallpages="1">
1629: <nextstate>PAGESIZE</nextstate>
1630: <filterfunc>return $isProblemOrMap;</filterfunc>
1631: <choicefunc>return $isNotMap;</choicefunc>
1632: <valuefunc>return $symbFilter;</valuefunc>
1633: </resource>
1634: </state>
1635: ALL_PROBLEMS
1636:
1637: if ($helper->{VARS}->{'assignment'}) {
1638: 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'];
1639: 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'];
1640: }
1641: my $resource_selector=<<RESOURCE_SELECTOR;
1642: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1643: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1644: closeallpages="1">
1645: <filterfunc>return $isProblem;</filterfunc>
1646: <mapurl>$map</mapurl>
1647: <valuefunc>return $symbFilter;</valuefunc>
1648: </resource>
1649: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1650: <choices variable="EMPTY_PAGES">
1651: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1652: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1653: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1654: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1655: </choices>
1656: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1657: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1658: RESOURCE_SELECTOR
1659:
1660: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1661: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1662: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1663: $resource_selector
1664: </state>
1665: CHOOSE_STUDENTS
1666:
1667: my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1668: my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1669: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
1670: my $namechoice='<choice></choice>';
1671: foreach my $name (@names) {
1672: if ($name =~ /^error: 2 /) { next; }
1673: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
1674: }
1675: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
1676: <state name="CHOOSE_ANON1" title="Select Students and Resources">
1677: <nextstate>PAGESIZE</nextstate>
1678: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1679: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1680: <message><br /><b>Names to store the CODEs under for later:</b></message>
1681: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1682: <message><hr width='33%' /></message>
1683: <message><b>Reprint a set of saved CODEs:</b></message>
1684: <dropdown variable="REUSE_OLD_CODES">
1685: $namechoice
1686: </dropdown>
1687: <message><hr width='33%' /></message>
1688: $resource_selector
1689: </state>
1690: CHOOSE_ANON1
1691:
1692:
1693: if ($helper->{VARS}->{'assignment'}) {
1694: 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'];
1695: 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'];
1696: }
1697:
1698:
1699: $resource_selector=<<RESOURCE_SELECTOR;
1700: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1701: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1702: closeallpages="1">
1703: <filterfunc>return $isNotMap;</filterfunc>
1704: <mapurl>$map</mapurl>
1705: <valuefunc>return $symbFilter;</valuefunc>
1706: </resource>
1707: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1708: <choices variable="EMPTY_PAGES">
1709: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1710: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1711: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1712: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1713: </choices>
1714: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1715: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1716: RESOURCE_SELECTOR
1717:
1718: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
1719: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1720: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1721: $resource_selector
1722: </state>
1723: CHOOSE_STUDENTS1
1724:
1725: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1726: <state name="CHOOSE_ANON2" title="Select Students and Resources">
1727: <nextstate>PAGESIZE</nextstate>
1728: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1729: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1730: <message><br /><b>Names to store the CODEs under for later:</b></message>
1731: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1732: <message><hr width='33%' /></message>
1733: <message><b>Reprint a set of saved CODEs:</b></message>
1734: <dropdown variable="REUSE_OLD_CODES">
1735: $namechoice
1736: </dropdown>
1737: <message><hr width='33%' /></message>
1738: $resource_selector
1739: </state>
1740: CHOOSE_ANON2
1741: }
1742:
1743: # FIXME: That RE should come from a library somewhere.
1744: if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
1745: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1746:
1747: my $f = '$filename';
1748: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1749: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1750: <message>(mark them then click "next" button) <br /></message>
1751: <files variable="FILES" multichoice='1'>
1752: <nextstate>PAGESIZE</nextstate>
1753: <filechoice>return '$subdir';</filechoice>
1754: CHOOSE_FROM_SUBDIR
1755:
1756: # this is broken up because I really want interpolation above,
1757: # and I really DON'T want it below
1758: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1759: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1760: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1761: </filefilter>
1762: </files>
1763: </state>
1764: CHOOSE_FROM_SUBDIR
1765: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1766: }
1767:
1768: # Allow the user to select any sequence in the course, feed it to
1769: # another resource selector for that sequence
1770: if (!$helper->{VARS}->{'construction'}) {
1771: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1772: 'select_sequences', 'CHOOSE_SEQUENCE'];
1773: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
1774: #Escape apostrophes and backslashes for Perl
1775: $escapedSequenceName =~ s/\\/\\\\/g;
1776: $escapedSequenceName =~ s/'/\\'/g;
1777: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1778: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
1779: <message>Select the sequence to print resources from:</message>
1780: <resource variable="SEQUENCE">
1781: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1782: <filterfunc>return \$res->is_sequence;</filterfunc>
1783: <valuefunc>return $urlValue;</valuefunc>
1784: </resource>
1785: </state>
1786: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
1787: <message>(mark desired resources then click "next" button) <br /></message>
1788: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1789: closeallpages="1">
1790: <nextstate>PAGESIZE</nextstate>
1791: <filterfunc>return $isProblem</filterfunc>
1792: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1793: <valuefunc>return $symbFilter;</valuefunc>
1794: </resource>
1795: </state>
1796: CHOOSE_FROM_ANY_SEQUENCE
1797: }
1798:
1799: # Generate the first state, to select which resources get printed.
1800: Apache::lonhelper::state->new("START", "Select Printing Options:");
1801: $paramHash = Apache::lonhelper::getParamHash();
1802: $paramHash->{MESSAGE_TEXT} = "";
1803: Apache::lonhelper::message->new();
1804: $paramHash = Apache::lonhelper::getParamHash();
1805: $paramHash->{'variable'} = 'PRINT_TYPE';
1806: $helper->declareVar('PRINT_TYPE');
1807: $paramHash->{CHOICES} = $printChoices;
1808: Apache::lonhelper::choices->new();
1809:
1810: my $startedTable = 0; # have we started an HTML table yet? (need
1811: # to close it later)
1812:
1813: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1814: ($helper->{VARS}->{'construction'} eq '1')) {
1815: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1816: $paramHash = Apache::lonhelper::getParamHash();
1817: $paramHash->{'variable'} = 'ANSWER_TYPE';
1818: $helper->declareVar('ANSWER_TYPE');
1819: $paramHash->{CHOICES} = [
1820: ['Without Answers', 'yes'],
1821: ['With Answers', 'no'],
1822: ['Only Answers', 'only'],
1823: ['As Exam Problem', 'exam']
1824: ];
1825: Apache::lonhelper::dropdown->new();
1826: addMessage("</td></tr>");
1827: $startedTable = 1;
1828: }
1829:
1830: if ($ENV{'request.role.adv'}) {
1831: if (!$startedTable) {
1832: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
1833: $startedTable = 1;
1834: } else {
1835: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
1836: }
1837: $paramHash = Apache::lonhelper::getParamHash();
1838: $paramHash->{'variable'} = 'LATEX_TYPE';
1839: $helper->declareVar('LATEX_TYPE');
1840: if ($helper->{VARS}->{'construction'} eq '1') {
1841: $paramHash->{CHOICES} = [
1842: ['standard LaTeX mode', 'standard'],
1843: ['LaTeX batchmode', 'batchmode'], ];
1844: } else {
1845: $paramHash->{CHOICES} = [
1846: ['LaTeX batchmode', 'batchmode'],
1847: ['standard LaTeX mode', 'standard'] ];
1848: }
1849: Apache::lonhelper::dropdown->new();
1850:
1851: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1852: $paramHash = Apache::lonhelper::getParamHash();
1853: $paramHash->{'variable'} = 'TABLE_CONTENTS';
1854: $helper->declareVar('TABLE_CONTENTS');
1855: $paramHash->{CHOICES} = [
1856: ['No', 'no'],
1857: ['Yes', 'yes'] ];
1858: Apache::lonhelper::dropdown->new();
1859: addMessage("</td></tr>");
1860:
1861: if (not $helper->{VARS}->{'construction'}) {
1862: addMessage("<tr><td align='right'>Print Index: </td><td>");
1863: $paramHash = Apache::lonhelper::getParamHash();
1864: $paramHash->{'variable'} = 'TABLE_INDEX';
1865: $helper->declareVar('TABLE_INDEX');
1866: $paramHash->{CHOICES} = [
1867: ['No', 'no'],
1868: ['Yes', 'yes'] ];
1869: Apache::lonhelper::dropdown->new();
1870: addMessage("</td></tr>");
1871: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
1872: $paramHash = Apache::lonhelper::getParamHash();
1873: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
1874: $helper->declareVar('PRINT_DISCUSSIONS');
1875: $paramHash->{CHOICES} = [
1876: ['No', 'no'],
1877: ['Yes', 'yes'] ];
1878: Apache::lonhelper::dropdown->new();
1879: addMessage("</td></tr>");
1880: }
1881:
1882: if ($helper->{'VARS'}->{'construction'}) {
1883: my $stylevalue=$ENV{'construct.style'};
1884: my $xmlfrag .= <<"RNDSEED";
1885: <message><tr><td align='right'>Use random seed: </td><td></message>
1886: <string variable="curseed" size="15" maxlength="15">
1887: <defaultvalue>
1888: return $helper->{VARS}->{'curseed'};
1889: </defaultvalue>
1890: </string>
1891: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1892: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1893: <message></td></tr></message>
1894: RNDSEED
1895: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1896: $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1897: }
1898: }
1899:
1900:
1901:
1902:
1903: if ($startedTable) {
1904: addMessage("</table>");
1905: }
1906:
1907: Apache::lonprintout::page_format_state->new("FORMAT");
1908:
1909: # Generate the PAGESIZE state which will offer the user the margin
1910: # choices if they select one column
1911: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
1912: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
1913:
1914:
1915: $helper->process();
1916:
1917: # MANUAL BAILOUT CONDITION:
1918: # If we're in the "final" state, bailout and return to handler
1919: if ($helper->{STATE} eq 'FINAL') {
1920: return $helper;
1921: }
1922:
1923: $r->print($helper->display());
1924:
1925: Apache::lonhelper::unregisterHelperTags();
1926:
1927: untie %hash;
1928:
1929: return OK;
1930: }
1931:
1932:
1933: 1;
1934:
1935: package Apache::lonprintout::page_format_state;
1936:
1937: =pod
1938:
1939: =head1 Helper element: page_format_state
1940:
1941: See lonhelper.pm documentation for discussion of the helper framework.
1942:
1943: Apache::lonprintout::page_format_state is an element that gives the
1944: user an opportunity to select the page layout they wish to print
1945: with: Number of columns, portrait/landscape, and paper size. If you
1946: want to change the paper size choices, change the @paperSize array
1947: contents in this package.
1948:
1949: page_format_state is always directly invoked in lonprintout.pm, so there
1950: is no tag interface. You actually pass parameters to the constructor.
1951:
1952: =over 4
1953:
1954: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1955:
1956: =back
1957:
1958: =cut
1959:
1960: use Apache::lonhelper;
1961:
1962: no strict;
1963: @ISA = ("Apache::lonhelper::element");
1964: use strict;
1965: use Apache::lonlocal;
1966:
1967: my $maxColumns = 2;
1968: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1969: "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1970: "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]",
1971: "A5 [148x210 mm]", "A6 [105x148 mm]" );
1972:
1973: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
1974: # Paper type
1975:
1976: sub new {
1977: my $self = Apache::lonhelper::element->new();
1978:
1979: shift;
1980:
1981: $self->{'variable'} = shift;
1982: my $helper = Apache::lonhelper::getHelper();
1983: $helper->declareVar($self->{'variable'});
1984: bless($self);
1985: return $self;
1986: }
1987:
1988: sub render {
1989: my $self = shift;
1990: my $helper = Apache::lonhelper::getHelper();
1991: my $result = '';
1992: my $var = $self->{'variable'};
1993: my $PageLayout=&mt('Page layout');
1994: my $NumberOfColumns=&mt('Number of columns');
1995: my $PaperType=&mt('Paper type');
1996: $result .= <<STATEHTML;
1997:
1998: <hr width="33%" />
1999: <table cellpadding="3">
2000: <tr>
2001: <td align="center"><b>$PageLayout</b></td>
2002: <td align="center"><b>$NumberOfColumns</b></td>
2003: <td align="center"><b>$PaperType</b></td>
2004: </tr>
2005: <tr>
2006: <td>
2007: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
2008: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
2009: </td>
2010: <td align="center">
2011: <select name="${var}.cols">
2012: STATEHTML
2013:
2014: my $i;
2015: for ($i = 1; $i <= $maxColumns; $i++) {
2016: if ($i == 2) {
2017: $result .= "<option value='$i' selected>$i</option>\n";
2018: } else {
2019: $result .= "<option value='$i'>$i</option>\n";
2020: }
2021: }
2022:
2023: $result .= "</select></td><td>\n";
2024: $result .= "<select name='${var}.paper'>\n";
2025:
2026: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
2027: my $DefaultPaperSize=$parmhash{'default_paper_size'};
2028: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2029: $i = 0;
2030: foreach (@paperSize) {
2031: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2032: $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
2033: } else {
2034: $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
2035: }
2036: $i++;
2037: }
2038:
2039: $result .= "</select></td></tr></table>";
2040: return $result;
2041: }
2042:
2043: sub postprocess {
2044: my $self = shift;
2045:
2046: my $var = $self->{'variable'};
2047: my $helper = Apache::lonhelper->getHelper();
2048: $helper->{VARS}->{$var} =
2049: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
2050: $ENV{"form.$var.paper"};
2051: return 1;
2052: }
2053:
2054: 1;
2055:
2056: package Apache::lonprintout::page_size_state;
2057:
2058: =pod
2059:
2060: =head1 Helper element: page_size_state
2061:
2062: See lonhelper.pm documentation for discussion of the helper framework.
2063:
2064: Apache::lonprintout::page_size_state is an element that gives the
2065: user the opportunity to further refine the page settings if they
2066: select a single-column page.
2067:
2068: page_size_state is always directly invoked in lonprintout.pm, so there
2069: is no tag interface. You actually pass parameters to the constructor.
2070:
2071: =over 4
2072:
2073: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2074:
2075: =back
2076:
2077: =cut
2078:
2079: use Apache::lonhelper;
2080:
2081: no strict;
2082: @ISA = ("Apache::lonhelper::element");
2083: use strict;
2084:
2085:
2086:
2087: sub new {
2088: my $self = Apache::lonhelper::element->new();
2089:
2090: shift; # disturbs me (probably prevents subclassing) but works (drops
2091: # package descriptor)... - Jeremy
2092:
2093: $self->{'variable'} = shift;
2094: my $helper = Apache::lonhelper::getHelper();
2095: $helper->declareVar($self->{'variable'});
2096:
2097: # The variable name of the format element, so we can look into
2098: # $helper->{VARS} to figure out whether the columns are one or two
2099: $self->{'formatvar'} = shift;
2100:
2101: # The state to transition to after selection, or after discovering
2102: # the cols are not set to 1
2103: $self->{NEXTSTATE} = shift;
2104: bless($self);
2105: return $self;
2106: }
2107:
2108: sub render {
2109: my $self = shift;
2110: my $helper = Apache::lonhelper::getHelper();
2111: my $result = '';
2112: my $var = $self->{'variable'};
2113:
2114: if (defined $self->{ERROR_MSG}) {
2115: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2116: }
2117:
2118: $result .= <<ELEMENTHTML;
2119:
2120: <p>How should the column be formatted?</p>
2121:
2122: <table cellpadding='3'>
2123: <tr>
2124: <td align='right'><b>Width</b>:</td>
2125: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2126: <td align='left'>
2127: <select name='$var.widthunit'>
2128: <option>cm</option><option>in</option>
2129: </select>
2130: </td>
2131: </tr>
2132: <tr>
2133: <td align='right'><b>Height</b>:</td>
2134: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2135: <td align='left'>
2136: <select name='$var.heightunit'>
2137: <option>cm</option><option>in</option>
2138: </select>
2139: </td>
2140: </tr>
2141: <tr>
2142: <td align='right'><b>Left margin</b>:</td>
2143: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2144: <td align='left'>
2145: <select name='$var.lmarginunit'>
2146: <option>cm</option><option>in</option>
2147: </select>
2148: </td>
2149: </tr>
2150: </table>
2151:
2152: <p>Hint: Some instructors like to leave scratch space for the student by
2153: making the width much smaller than the width of the page.</p>
2154:
2155: ELEMENTHTML
2156:
2157: return $result;
2158: }
2159:
2160: # If the user didn't select 1 column, skip this state.
2161: sub preprocess {
2162: my $self = shift;
2163: my $helper = Apache::lonhelper::getHelper();
2164:
2165: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2166: if (substr($format, 2, 1) ne '1') {
2167: $helper->changeState($self->{NEXTSTATE});
2168: }
2169:
2170: return 1;
2171: }
2172:
2173: sub postprocess {
2174: my $self = shift;
2175:
2176: my $var = $self->{'variable'};
2177: my $helper = Apache::lonhelper->getHelper();
2178: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
2179: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
2180: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
2181: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
2182: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
2183: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
2184:
2185: my $error = '';
2186:
2187: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2188: # by an optional period, followed by digits, ending the string
2189:
2190: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2191: $error .= "Invalid width; please type only a number.<br />\n";
2192: }
2193: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2194: $error .= "Invalid height; please type only a number.<br />\n";
2195: }
2196: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2197: $error .= "Invalid left margin; please type only a number.<br />\n";
2198: }
2199:
2200: if (!$error) {
2201: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2202: return 1;
2203: } else {
2204: $self->{ERROR_MSG} = $error;
2205: return 0;
2206: }
2207: }
2208:
2209:
2210:
2211: __END__
2212:
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