1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.294 2004/04/26 18:21:26 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
29: package Apache::lonprintout;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonxml;
34: use Apache::lonnet;
35: use Apache::loncommon;
36: use Apache::inputtags;
37: use Apache::grades;
38: use Apache::edit;
39: use Apache::File();
40: use Apache::lonnavmaps;
41: use Apache::lonratedt;
42: use POSIX qw(strftime);
43: use Apache::lonlocal;
44: 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 = '18 cm';
425: $textheight = '28 cm';
426: $oddoffset = '-0.57 in';
427: $evenoffset = '-0.57 in';
428: } elsif ($numberofcolumns == 2) {
429: $textwidth = '96 mm';
430: $textheight = '2 cm';
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,$indexlist) = @_;
476: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
477: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
478: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
479: my $name = &get_name();
480: my $courseidinfo = &get_course();
481: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
482: if ($layout eq 'album') {
483: my $topmargintoinsert = '';
484: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
485: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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} /;
486: } elsif ($layout eq 'book') {
487: if ($choice ne 'All class print') {
488: $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}/;
489: } else {
490: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /;
491: }
492: }
493: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
494: if ($indexlist eq 'yes') {
495: $text=~s/(\\begin{document})/\\makeindex $1/;
496: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
497: }
498: return $text;
499: }
500:
501:
502: sub page_cleanup {
503: my $result = shift;
504:
505: $result =~ m/\\end{document}(\d*)$/;
506: my $number_of_columns = $1;
507: my $insert = '{';
508: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
509: $insert .= '}';
510: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
511: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
512: return $result,$number_of_columns;
513: }
514:
515:
516: sub details_for_menu {
517:
518: my $name_of_resourse = &Apache::lonnet::gettitle($ENV{'form.postdata'});
519: my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
520: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
521: $map=&Apache::lonnet::clutter($map);
522: my $name_of_sequence = &Apache::lonnet::gettitle($map);
523: if ($name_of_sequence =~ /^\s*$/) {
524: $map =~ m|([^/]+)$|;
525: $name_of_sequence = $1;
526: }
527: my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'});
528: if ($name_of_map =~ /^\s*$/) {
529: $ENV{'request.course.uri'} =~ m|([^/]+)$|;
530: $name_of_map = $1;
531: }
532: return ($name_of_resourse,$name_of_sequence,$name_of_map);
533:
534: }
535:
536:
537: sub latex_corrections {
538:
539: my ($number_of_columns,$result) = @_;
540:
541: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
542: $result =~ s/\$number_of_columns/$number_of_columns/g;
543: $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/;
544: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
545: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
546: #-- LaTeX corrections
547: my $first_comment = index($result,'<!--',0);
548: while ($first_comment != -1) {
549: my $end_comment = index($result,'-->',$first_comment);
550: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
551: $first_comment = index($result,'<!--',$first_comment);
552: }
553: $result =~ s/^\s+$//gm; #remove empty lines
554: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
555: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
556: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
557: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
558: $result =~ s/\\\\\s+\[/ \[/g;
559: $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
560: #conversion of html characters to LaTeX equivalents
561: if ($result =~ m/&(\w+|#\d+);/) {
562: $result = &character_chart($result);
563: }
564: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
565: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
566:
567: return $result;
568: }
569:
570:
571: sub index_table {
572: my $currentURL = shift;
573: my $insex_string='';
574: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
575: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
576: return $insex_string;
577: }
578:
579:
580: sub IndexCreation {
581: my ($texversion,$currentURL)=@_;
582: my @key_words=split(/,/,&index_table($currentURL));
583: my $chunk='';
584: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
585: if ($st>0) {
586: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
587: $chunk=substr($texversion,0,$st+1);
588: substr($texversion,0,$st+1)=' ';
589: }
590: foreach my $key_word (@key_words) {
591: if ($key_word=~/\S+/) {
592: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
593: }
594: }
595: if ($st>0) {substr($texversion,0,1)=$chunk;}
596: return $texversion;
597: }
598:
599: sub print_latex_header {
600: my $mode=shift;
601: my $output='\documentclass[letterpaper]{article}';
602: if ($mode eq 'batchmode') {
603: $output.='\batchmode';
604: }
605: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'.
606: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
607: '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
608: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
609: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
610: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
611: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
612: '\setlength{\abovedisplayshortskip}{-0.04in}'.
613: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
614: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
615: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
616: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
617: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
618: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
619: '\setlength{\abovedisplayshortskip}{-0.04in}'.
620: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
621: return $output;
622: }
623:
624: sub path_to_problem {
625: my ($urlp,$LaTeXwidth)=@_;
626: my $newurlp = '';
627: $LaTeXwidth=~s/\s*mm\s*$//;
628: my $HowMany = length($urlp)*2;
629: if ($HowMany > $LaTeXwidth) {
630: my @temporrary = split '/',$urlp;
631: my $HowManyNew = 0;
632: for (my $ii=0;$ii<=$#temporrary;$ii++) {
633: if ($temporrary[$ii] ne '') {
634: $HowManyNew += length($temporrary[$ii])*2;
635: if ($HowManyNew < $LaTeXwidth ) {
636: $newurlp .= '/'.$temporrary[$ii];
637: } else {
638: $HowManyNew = 0;
639: $newurlp .= '|\vskip -1 mm \noindent \verb|';
640: $ii--;
641: }
642: }
643: }
644: } else {
645: $newurlp=$urlp;
646: }
647: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
648: }
649:
650: sub recalcto_mm {
651: my $textwidth=shift;
652: my $LaTeXwidth;
653: if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
654: $LaTeXwidth = $1*10;
655: } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
656: $LaTeXwidth = $1;
657: } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
658: $LaTeXwidth = $1*25.4;
659: }
660: $LaTeXwidth.=' mm';
661: return $LaTeXwidth;
662: }
663:
664: sub get_textwidth {
665: my ($helper,$LaTeXwidth)=@_;
666: my $textwidth=$LaTeXwidth;
667: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
668: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
669: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
670: $helper->{'VARS'}->{'pagesize.widthunit'});
671: }
672: return $textwidth;
673: }
674:
675: sub output_data {
676: my ($r,$helper,$rparmhash) = @_;
677: my %parmhash = %$rparmhash;
678: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
679: $r->print(<<ENDPART);
680: <html>
681: <script type="text/javascript" language="Javascript" >
682: var editbrowser;
683: function openbrowser(formname,elementname,only,omit) {
684: var url = '/res/?';
685: if (editbrowser == null) {
686: url += 'launch=1&';
687: }
688: url += 'catalogmode=interactive&';
689: url += 'mode=parmset&';
690: url += 'form=' + formname + '&';
691: if (only != null) {
692: url += 'only=' + only + '&';
693: }
694: if (omit != null) {
695: url += 'omit=' + omit + '&';
696: }
697: url += 'element=' + elementname + '';
698: var title = 'Browser';
699: var options = 'scrollbars=1,resizable=1,menubar=0';
700: options += ',width=700,height=600';
701: editbrowser = open(url,title,options,'1');
702: editbrowser.focus();
703: }
704: </script>
705: <head>
706: <title>LON-CAPA output for printing</title>
707: </head>
708: $bodytag
709: Please stand by while processing your print request, this may take some time ...
710: ENDPART
711:
712: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
713: my ($result,$selectionmade) = ('','');
714: my $number_of_columns = 1; #used only for pages to determine the width of the cell
715: my @temporary_array=split /\|/,$format_from_helper;
716: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
717: if ($laystyle eq 'L') {
718: $laystyle='album';
719: } else {
720: $laystyle='book';
721: }
722: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
723: my $assignment = $ENV{'form.assignment'};
724: my $LaTeXwidth=&recalcto_mm($textwidth);
725: my @print_array=();
726: my @student_names=();
727:
728: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
729: #-- single document - problem, page, html, xml, ...
730: my $currentURL;
731: if ($helper->{'VARS'}->{'construction'} ne '1') {
732: #prints published resource
733: $currentURL=$helper->{'VARS'}->{'postdata'};
734: } else {
735: #prints resource from the construction space
736: $currentURL='/'.$helper->{'VARS'}->{'filename'};
737: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
738: }
739: $selectionmade = 1;
740: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
741: my $rndseed=time;
742: my $texversion='';
743: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
744: my %moreenv;
745: $moreenv{'request.filename'}=$currentURL;
746: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
747: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
748: my $dom = $ENV{'user.domain'};
749: my $user = $ENV{'user.name'};
750: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
751: }
752: my %form;
753: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
754: $form{'grade_target'}='tex';
755: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
756: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
757: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
758: if ($helper->{'VARS'}->{'curseed'}) {
759: $rndseed=$helper->{'VARS'}->{'curseed'};
760: }
761: $form{'rndseed'}=$rndseed;
762: &Apache::lonnet::appenv(%moreenv);
763: &Apache::lonnet::delenv('form.counter');
764: &Apache::lonxml::init_counter();
765: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
766: &Apache::lonnet::delenv('form.counter');
767: &Apache::lonnet::delenv('request.filename');
768: }
769: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
770: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
771: my %form;
772: $form{'grade_target'}='answer';
773: $form{'answer_output_mode'}='tex';
774: $form{'rndseed'}=$rndseed;
775: my $answer=&Apache::lonnet::ssi($currentURL,%form);
776: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
777: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
778: } else {
779: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
780: if ($helper->{'VARS'}->{'construction'} ne '1') {
781: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
782: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
783: } else {
784: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
785: my $URLpath=$currentURL;
786: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
787: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
788: }
789: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
790: }
791: }
792: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
793: $texversion=&IndexCreation($texversion,$currentURL);
794: }
795: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
796: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
797:
798: }
799: $result .= $texversion;
800: if ($currentURL=~m/\.page\s*$/) {
801: ($result,$number_of_columns) = &page_cleanup($result);
802: }
803: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
804: #printing content of sequence from the construction space
805: my $flag_latex_header_remove = 'NO';
806: my $rndseed=time;
807: if ($helper->{'VARS'}->{'curseed'}) {
808: $rndseed=$helper->{'VARS'}->{'curseed'};
809: }
810: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
811: my $errtext=&Apache::lonratedt::mapread($currentURL);
812: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
813: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
814: my $urlp=$2;
815: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
816: my $texversion='';
817: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
818: my %form;
819: $form{'grade_target'}='tex';
820: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
821: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
822: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
823: $form{'rndseed'}=$rndseed;
824: $texversion=&Apache::lonnet::ssi($urlp,%form);
825: }
826: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
827: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
828: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
829: my %form;
830: $form{'grade_target'}='answer';
831: $form{'answer_output_mode'}='tex';
832: $form{'rndseed'}=$rndseed;
833: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
834: my $answer=&Apache::lonnet::ssi($urlp,%form);
835: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
836: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
837: } else {
838: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
839: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
840: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
841: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
842: }
843: }
844: if ($flag_latex_header_remove ne 'NO') {
845: $texversion = &latex_header_footer_remove($texversion);
846: } else {
847: $texversion =~ s/\\end{document}//;
848: }
849: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
850: $texversion=&IndexCreation($texversion,$urlp);
851: }
852: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
853: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
854: }
855: $result.=$texversion;
856: $flag_latex_header_remove = 'YES';
857: } elsif ($urlp=~/\.(sequence|page)$/) {
858: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
859: }
860: }
861: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
862: $result .= '\end{document}';
863: } elsif ($currentURL=~/\/smppg$/) {
864: my %form;
865: $form{'grade_target'}='tex';
866: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
867: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
868: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
869: $result .= $texversion;
870: } else {
871: $result.='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
872: if ($currentURL=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
873: $result.=$1;
874: } elsif ($currentURL=~/\/ext\//) {
875: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
876: } else {
877: $result.=$currentURL;
878: }
879: $result.=' \end{document}'
880: }
881: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
882: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
883: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
884: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
885: #-- produce an output string
886: my %form=();
887: $form{'grade_target'}='tex';
888: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
889: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
890: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
891: my $flag_latex_header_remove = 'NO';
892: my $flag_page_in_sequence = 'NO';
893: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
894: my $prevassignment='';
895: &Apache::lonnet::delenv('form.counter');
896: &Apache::lonxml::init_counter();
897: for (my $i=0;$i<=$#master_seq;$i++) {
898: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
899: $urlp=&Apache::lonnet::clutter($urlp);
900: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
901: $selectionmade = 2;
902: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
903: $selectionmade = 3;
904: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
905: $selectionmade = 4;
906: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
907: $selectionmade = 7;
908: }
909: $form{'symb'}=$master_seq[$i];
910: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
911: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
912: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
913: if ($i==0) {$prevassignment=$assignment;}
914: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
915: my $texversion.=&Apache::lonnet::ssi($urlp,%form);
916: if ($urlp=~/\.page$/) {
917: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
918: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
919: $texversion =~ s/\\end{document}\d*/\\end{document}/;
920: $flag_page_in_sequence = 'YES';
921: }
922: my $lonidsdir=$r->dir_config('lonIDsDir');
923: my $envfile=$ENV{'user.environment'};
924: $envfile=~/\/([^\/]+)\.id$/;
925: $envfile=$1;
926: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
927: my $current_counter=$ENV{'form.counter'};
928: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
929: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
930: my %form;
931: $form{'grade_target'}='answer';
932: $form{'answer_output_mode'}='tex';
933: my $answer=&Apache::lonnet::ssi($urlp,%form);
934: &Apache::lonnet::appenv(('form.counter' => $current_counter));
935: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
936: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
937: } else {
938: if ($urlp=~/\.(problem|exam|quiz|library)$/) {
939: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
940: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
941: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
942: $texversion.='\vskip 1 mm '.$answer;
943: } else {
944: $texversion='';
945: }
946: }
947: }
948: if ($flag_latex_header_remove ne 'NO') {
949: $texversion = &latex_header_footer_remove($texversion);
950: } else {
951: $texversion =~ s/\\end{document}//;
952: }
953: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
954: $texversion=&IndexCreation($texversion,$urlp);
955: }
956: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
957: my $name = &get_name();
958: my $courseidinfo = &get_course();
959: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
960: $prevassignment=$assignment;
961: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
962: }
963: $result .= $texversion;
964: $flag_latex_header_remove = 'YES';
965: }
966: &Apache::lonnet::delenv('form.counter');
967: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
968: $result .= '\end{document}';
969: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
970: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
971: #-- prints assignments for whole class or for selected students
972: my $type;
973: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
974: $selectionmade=5;
975: $type='problems';
976: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
977: $selectionmade=8;
978: $type='resources';
979: }
980: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
981: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
982: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
983: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
984: }
985: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
986: #loop over students
987: my $flag_latex_header_remove = 'NO';
988: my %moreenv;
989: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
990: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
991: my $student_counter=-1;
992: foreach my $person (@students) {
993: $student_counter++;
994: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
995: my ($output,$fullname)=&print_resources($r,$helper,$person,$type,\%moreenv,\@master_seq,$flag_latex_header_remove);
996: $print_array[$i].=$output;
997: $student_names[$i].=$person.':'.$fullname.'_END_';
998: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
999: $flag_latex_header_remove = 'YES';
1000: }
1001: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1002: $result .= $print_array[0].' \end{document}';
1003: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1004: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1005: my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1006: my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1007: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1008: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1009: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1010: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1011: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1012: my $flag_latex_header_remove = 'NO';
1013: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1014: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline');
1015: my $seed=time+($$<<16)+($$);
1016: my @allcodes;
1017: if ($old_name) {
1018: my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
1019: @allcodes=split(',',$result{$old_name});
1020: } else {
1021: my %allcodes;
1022: for (my $i=0;$i<$num_todo;$i++) {
1023: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
1024: }
1025: if ($code_name) {
1026: &Apache::lonnet::put('CODEs',
1027: {$code_name =>join(',',keys(%allcodes))},
1028: $cdom,$cnum);
1029: }
1030: @allcodes=keys(%allcodes);
1031: }
1032: my $i=0;
1033: foreach my $code (sort(@allcodes)) {
1034: $moreenv{'CODE'}=&num_to_letters($code);
1035: my ($output,$fullname)=
1036: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1037: \@master_seq,$flag_latex_header_remove);
1038: $print_array[$i].=$output;
1039: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1040: &mt('last assignment').' '.$fullname);
1041: $flag_latex_header_remove = 'YES';
1042: $i++;
1043: }
1044: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1045: $result .= $print_array[0].' \end{document}';
1046: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1047: #prints selected problems from the subdirectory
1048: $selectionmade = 6;
1049: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1050: @list_of_files=sort @list_of_files;
1051: my $flag_latex_header_remove = 'NO';
1052: my $rndseed=time;
1053: if ($helper->{'VARS'}->{'curseed'}) {
1054: $rndseed=$helper->{'VARS'}->{'curseed'};
1055: }
1056: for (my $i=0;$i<=$#list_of_files;$i++) {
1057: my $urlp = $list_of_files[$i];
1058: $urlp=~s|//|/|;
1059: if ($urlp=~/\//) {
1060: my %form;
1061: $form{'grade_target'}='tex';
1062: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1063: $form{'rndseed'}=$rndseed;
1064: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1065: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1066: } else {
1067: $urlp =~ s|^/home/httpd/html||;
1068: }
1069: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1070: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1071: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1072: my %form;
1073: $form{'grade_target'}='answer';
1074: $form{'answer_output_mode'}='tex';
1075: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1076: $form{'rndseed'}=$rndseed;
1077: my $answer=&Apache::lonnet::ssi($urlp,%form);
1078: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1079: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1080: } else {
1081: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1082: if ($helper->{'VARS'}->{'construction'} ne '1') {
1083: $texversion.='\vskip 0 mm \noindent ';
1084: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1085: } else {
1086: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1087: my $URLpath=$urlp;
1088: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1089: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1090: }
1091: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1092: }
1093: }
1094: #this chunck is responsible for printing the path to problem
1095: my $newurlp=$urlp;
1096: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1097: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1098: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1099: if ($flag_latex_header_remove ne 'NO') {
1100: $texversion = &latex_header_footer_remove($texversion);
1101: } else {
1102: $texversion =~ s/\\end{document}//;
1103: }
1104: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1105: $texversion=&IndexCreation($texversion,$urlp);
1106: }
1107: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1108: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1109:
1110: }
1111: $result .= $texversion;
1112: }
1113: $flag_latex_header_remove = 'YES';
1114: }
1115: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1116: $result .= '\end{document}';
1117: }
1118: #-------------------------------------------------------- corrections for the different page formats
1119: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'});
1120: $result = &latex_corrections($number_of_columns,$result);
1121: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i]);}
1122: #changes page's parameters for the one column output
1123: if ($numberofcolumns == 1) {
1124: $result =~ s/\\textwidth\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1125: $result =~ s/\\textheight\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1126: $result =~ s/\\evensidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1127: $result =~ s/\\oddsidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1128: }
1129: #-- writing .tex file in prtspool
1130: my $temp_file;
1131: my $identifier = &Apache::loncommon::get_cgi_id();
1132: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
1133: if (!($#print_array>0)) {
1134: unless ($temp_file = Apache::File->new('>'.$filename)) {
1135: $r->log_error("Couldn't open $filename for output $!");
1136: return SERVER_ERROR;
1137: }
1138: print $temp_file $result;
1139: my $begin=index($result,'\begin{document}',0);
1140: my $inc=substr($result,0,$begin+16);
1141: } else {
1142: my $begin=index($result,'\begin{document}',0);
1143: my $inc=substr($result,0,$begin+16);
1144: for (my $i=0;$i<=$#print_array;$i++) {
1145: if ($i==0) {
1146: $print_array[$i]=$result;
1147: } else {
1148: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1149: substr($print_array[$i],0,$anobegin)='';
1150: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1151: }
1152: my $temp_file;
1153: my $newfilename=$filename;
1154: my $num=$i+1;
1155: $newfilename =~s/\.tex$/_$num\.tex/;
1156: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1157: $r->log_error("Couldn't open $newfilename for output $!");
1158: return SERVER_ERROR;
1159: }
1160: print $temp_file $print_array[$i];
1161: }
1162: }
1163: my $student_names='';
1164: if ($#print_array>0) {
1165: for (my $i=0;$i<=$#print_array;$i++) {
1166: $student_names.=$student_names[$i].'_ENDPERSON_';
1167: }
1168: } else {
1169: if ($#student_names>-1) {
1170: $student_names=$student_names[0].'_ENDPERSON_';
1171: } else {
1172: my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
1173: $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
1174: $ENV{'request.course.sec'},$fullname).
1175: '_ENDPERSON_'.'_END_';
1176: }
1177: }
1178:
1179: my $URLback=''; #link to original document
1180: if ($helper->{'VARS'}->{'construction'} ne '1') {
1181: #prints published resource
1182: $URLback=$helper->{'VARS'}->{'postdata'};
1183: } else {
1184: #prints resource from the construction space
1185: $URLback='/'.$helper->{'VARS'}->{'filename'};
1186: if ($URLback=~/([^?]+)/) {
1187: $URLback=$1;
1188: $URLback=~s|^/~|/priv/|;
1189: }
1190: }
1191:
1192: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1193: 'cgi.'.$identifier.'.layout' => $laystyle,
1194: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1195: 'cgi.'.$identifier.'.selection' => $selectionmade,
1196: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1197: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1198: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1199: 'cgi.'.$identifier.'numberoffiles' => $#print_array,
1200: 'cgi.'.$identifier.'studentnames' => $student_names,
1201: 'cgi.'.$identifier.'backref' => $URLback,);
1202:
1203: $r->print(<<FINALEND);
1204: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1205: </body>
1206: </html>
1207: FINALEND
1208: }
1209:
1210: sub num_to_letters {
1211: my ($num) = @_;
1212: my @nums= split('',$num);
1213: my @num_to_let=('A'..'Z');
1214: my $word;
1215: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1216: return $word;
1217: }
1218:
1219: sub get_CODE {
1220: my ($all_codes,$num,$seed,$size)=@_;
1221: my $max='1'.'0'x$size;
1222: srand($seed);
1223: my $newcode;
1224: while(1) {
1225: $newcode=sprintf("%06d",int(rand($max)));
1226: if (!exists($$all_codes{$newcode})) {
1227: $$all_codes{$newcode}=1;
1228: return &num_to_letters($newcode);
1229: }
1230: }
1231: }
1232:
1233: sub print_resources {
1234: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header)=@_;
1235: my $current_output = '';
1236: my ($username,$userdomain,$usersection) = split /:/,$person;
1237: my $fullname = &get_name($username,$userdomain);
1238: if ($person =~ 'anon') {
1239: $fullname = "CODE - ".$moreenv->{'CODE'};
1240: }
1241: #goes through all resources, checks if they are available for
1242: #current student, and produces output
1243: &Apache::lonnet::delenv('form.counter');
1244: &Apache::lonxml::init_counter();
1245: foreach my $curresline (@{$master_seq}) {
1246: if ( !($type eq 'problems' &&
1247: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1248: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1249: if (&Apache::lonnet::allowed('bre',$res_url)) {
1250: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1251: my $lonidsdir=$r->dir_config('lonIDsDir');
1252: my $envfile=$ENV{'user.environment'};
1253: $envfile=~/\/([^\/]+)\.id$/;
1254: $envfile=$1;
1255: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1256: my $current_counter=$ENV{'form.counter'};
1257: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1258: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1259: my %form;
1260: $form{'answer_output_mode'}='tex';
1261: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1262: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
1263: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1264: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1265: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1266: } else {
1267: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1268: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1269: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1270: $rendered.='\vskip 1 mm '.$ansrendered;
1271: }
1272: }
1273: if ($remove_latex_header eq 'YES') {
1274: $rendered = &latex_header_footer_remove($rendered);
1275: } else {
1276: $rendered =~ s/\\end{document}//;
1277: }
1278: $current_output .= $rendered;
1279: }
1280: $remove_latex_header = 'YES';
1281: }
1282: }
1283: my $courseidinfo = &get_course();
1284: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1285: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1286: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1287: if ($current_output=~/\\documentclass/) {
1288: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
1289: } else {
1290: my $blankpages = '';
1291: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1292: $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}}} \vskip -5 mm '.$current_output;
1293: }
1294: return ($current_output,$fullname);
1295:
1296: }
1297:
1298: sub handler {
1299:
1300: my $r = shift;
1301: my $helper;
1302:
1303: # my $loaderror=&Apache::lonnet::overloaderror($r);
1304: # if ($loaderror) { return $loaderror; }
1305: # $loaderror=
1306: # &Apache::lonnet::overloaderror($r,
1307: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
1308: # if ($loaderror) { return $loaderror; }
1309:
1310: my $result = printHelper($r);
1311: if (!ref($result)) {
1312: return $result;
1313: }
1314: $helper = $result;
1315:
1316: # my $key;
1317: # foreach $key (keys %{$helper->{'VARS'}}) {
1318: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1319: # }
1320: # foreach $key (keys %ENV) {
1321: # $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
1322: # }
1323: # return OK;
1324:
1325: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1326:
1327: # my $key;
1328: # foreach $key (keys %parmhash) {
1329: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1330: # }
1331: # return OK;
1332:
1333: &output_data($r,$helper,\%parmhash);
1334: return OK;
1335: }
1336:
1337: use Apache::lonhelper;
1338:
1339: sub addMessage {
1340: my $text = shift;
1341: my $paramHash = Apache::lonhelper::getParamHash();
1342: $paramHash->{MESSAGE_TEXT} = $text;
1343: Apache::lonhelper::message->new();
1344: }
1345:
1346: use Data::Dumper;
1347:
1348: sub printHelper {
1349: my $r = shift;
1350:
1351: if ($ENV{'request.course.id'}) {
1352: my $fn=$ENV{'request.course.fn'};
1353: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1354: }
1355:
1356: if ($r->header_only) {
1357: if ($ENV{'browser.mathml'}) {
1358: &Apache::loncommon::content_type($r,'text/xml');
1359: } else {
1360: &Apache::loncommon::content_type($r,'text/html');
1361: }
1362: $r->send_http_header;
1363: return OK;
1364: }
1365:
1366: # Send header, nocache
1367: if ($ENV{'browser.mathml'}) {
1368: &Apache::loncommon::content_type($r,'text/xml');
1369: } else {
1370: &Apache::loncommon::content_type($r,'text/html');
1371: }
1372: &Apache::loncommon::no_cache($r);
1373: $r->send_http_header;
1374: $r->rflush();
1375:
1376: # Unfortunately, this helper is so complicated we have to
1377: # write it by hand
1378:
1379: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1380:
1381: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1382: $helper->declareVar('symb');
1383: $helper->declareVar('postdata');
1384: $helper->declareVar('curseed');
1385: $helper->declareVar('probstatus');
1386: $helper->declareVar('filename');
1387: $helper->declareVar('construction');
1388: $helper->declareVar('assignment');
1389: $helper->declareVar('style_file');
1390:
1391: # This will persistently load in the data we want from the
1392: # very first screen.
1393: # Detect whether we're coming from construction space
1394: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1395: $helper->{VARS}->{'filename'} = "~$1/$2";
1396: $helper->{VARS}->{'construction'} = 1;
1397: } else {
1398: if ($ENV{'form.postdata'}) {
1399: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
1400: }
1401: if ($ENV{'form.symb'}) {
1402: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1403: }
1404: if ($ENV{'form.url'}) {
1405: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1406: }
1407: }
1408:
1409: if ($ENV{'form.symb'}) {
1410: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1411: }
1412: if ($ENV{'form.url'}) {
1413: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1414:
1415: }
1416:
1417: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1418: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1419:
1420:
1421: # Extract map
1422: my $symb = $helper->{VARS}->{'symb'};
1423: my ($map, $id, $url);
1424: my $subdir;
1425:
1426: # Get the resource name from construction space
1427: if ($helper->{VARS}->{'construction'}) {
1428: $resourceTitle = substr($helper->{VARS}->{'filename'},
1429: rindex($helper->{VARS}->{'filename'}, '/')+1);
1430: $subdir = substr($helper->{VARS}->{'filename'},
1431: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1432: } else {
1433: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1434: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1435:
1436: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1437: my $postdata = $helper->{VARS}->{'postdata'};
1438: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1439: }
1440: $subdir = &Apache::lonnet::filelocation("", $url);
1441: }
1442: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
1443: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
1444: }
1445: if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) {
1446: $helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'};
1447: }
1448:
1449: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1450: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
1451: $ENV{'request.role'}=~m/^in\./ or
1452: $ENV{'request.role'}=~m/^ta\./);
1453:
1454: Apache::lonhelper::registerHelperTags();
1455:
1456: # "Delete everything after the last slash."
1457: $subdir =~ s|/[^/]+$||;
1458: if (not $helper->{VARS}->{'construction'}) {
1459: $subdir='/home/httpd/html/res/'.$subdir;
1460: }
1461: # "Remove all duplicate slashes."
1462: $subdir =~ s|/+|/|g;
1463:
1464: # What can be printed is a very dynamic decision based on
1465: # lots of factors. So we need to dynamically build this list.
1466: # To prevent security leaks, states are only added to the wizard
1467: # if they can be reached, which ensures manipulating the form input
1468: # won't allow anyone to reach states they shouldn't have permission
1469: # to reach.
1470:
1471: # printChoices is tracking the kind of printing the user can
1472: # do, and will be used in a choices construction later.
1473: # In the meantime we will be adding states and elements to
1474: # the helper by hand.
1475: my $printChoices = [];
1476: my $paramHash;
1477:
1478: if ($resourceTitle) {
1479: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1480: }
1481:
1482: # Useful filter strings
1483: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1484: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1485: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
1486: my $isNotMap = '!$res->is_sequence()';
1487: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1488: my $isMap = '$res->is_map()';
1489: my $symbFilter = '$res->symb()';
1490: my $urlValue = '$res->src()';
1491:
1492: $helper->declareVar('SEQUENCE');
1493:
1494: # Useful for debugging: Dump the help vars
1495: #$r->print(Dumper($helper->{VARS}));
1496: #$r->print($map);
1497:
1498: # If we're in a sequence...
1499: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1500: $helper->{VARS}->{'postdata'} &&
1501: $helper->{VARS}->{'assignment'}) {
1502: # Allow problems from sequence
1503: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1504: # Allow all resources from sequence
1505: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1506:
1507: my $helperFragment = <<HELPERFRAGMENT;
1508: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1509: <message>(mark them then click "next" button) <br /></message>
1510: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1511: closeallpages="1">
1512: <nextstate>PAGESIZE</nextstate>
1513: <filterfunc>return $isProblem;</filterfunc>
1514: <mapurl>$map</mapurl>
1515: <valuefunc>return $symbFilter;</valuefunc>
1516: </resource>
1517: </state>
1518:
1519: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1520: <message>(mark them then click "next" button) <br /></message>
1521: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1522: closeallpages="1">
1523: <nextstate>PAGESIZE</nextstate>
1524: <filterfunc>return $isNotMap;</filterfunc>
1525: <mapurl>$map</mapurl>
1526: <valuefunc>return $symbFilter;</valuefunc>
1527: </resource>
1528: </state>
1529: HELPERFRAGMENT
1530:
1531: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1532: }
1533:
1534: # If the user is priviledged, allow them to print all
1535: # problems in the course, optionally for selected students
1536: if ($userPriviledged && ($helper->{VARS}->{'postdata'}=~/\/res\//)) {
1537: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1538: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1539: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1540: <message>(mark them then click "next" button) <br /></message>
1541: <resource variable="RESOURCES" toponly='0' multichoice="1"
1542: suppressEmptySequences='0' addstatus="1" closeallpages="1">
1543: <nextstate>PAGESIZE</nextstate>
1544: <filterfunc>return $isProblemOrMap;</filterfunc>
1545: <choicefunc>return $isNotMap;</choicefunc>
1546: <valuefunc>return $symbFilter;</valuefunc>
1547: </resource>
1548: </state>
1549: ALL_PROBLEMS
1550:
1551: if ($helper->{VARS}->{'assignment'}) {
1552: 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'];
1553: 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'];
1554: }
1555: my $resource_selector=<<RESOURCE_SELECTOR;
1556: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1557: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1558: closeallpages="1">
1559: <filterfunc>return $isProblem;</filterfunc>
1560: <mapurl>$map</mapurl>
1561: <valuefunc>return $symbFilter;</valuefunc>
1562: </resource>
1563: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1564: <choices variable="EMPTY_PAGES">
1565: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1566: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1567: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1568: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1569: </choices>
1570: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1571: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1572: RESOURCE_SELECTOR
1573:
1574: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1575: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1576: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1577: $resource_selector
1578: </state>
1579: CHOOSE_STUDENTS
1580:
1581: my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1582: my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1583: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
1584: my $namechoice='<choice></choice>';
1585: foreach my $name (@names) {
1586: if ($name =~ /^error: 2 /) { next; }
1587: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
1588: }
1589: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
1590: <state name="CHOOSE_ANON1" title="Select Students and Resources">
1591: <nextstate>PAGESIZE</nextstate>
1592: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1593: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1594: <message><br /><b>Names to store the CODEs under for later:</b></message>
1595: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1596: <message><hr width='33%' /></message>
1597: <message><b>Reprint a set of saved CODEs:</b></message>
1598: <dropdown variable="REUSE_OLD_CODES">
1599: $namechoice
1600: </dropdown>
1601: <message><hr width='33%' /></message>
1602: $resource_selector
1603: </state>
1604: CHOOSE_ANON1
1605:
1606:
1607: if ($helper->{VARS}->{'assignment'}) {
1608: 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'];
1609: 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'];
1610: }
1611:
1612:
1613: $resource_selector=<<RESOURCE_SELECTOR;
1614: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1615: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1616: closeallpages="1">
1617: <filterfunc>return $isNotMap;</filterfunc>
1618: <mapurl>$map</mapurl>
1619: <valuefunc>return $symbFilter;</valuefunc>
1620: </resource>
1621: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1622: <choices variable="EMPTY_PAGES">
1623: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1624: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1625: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1626: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1627: </choices>
1628: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1629: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1630: RESOURCE_SELECTOR
1631:
1632: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
1633: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1634: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1635: $resource_selector
1636: </state>
1637: CHOOSE_STUDENTS1
1638:
1639: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1640: <state name="CHOOSE_ANON2" title="Select Students and Resources">
1641: <nextstate>PAGESIZE</nextstate>
1642: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1643: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1644: <message><br /><b>Names to store the CODEs under for later:</b></message>
1645: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1646: <message><hr width='33%' /></message>
1647: <message><b>Reprint a set of saved CODEs:</b></message>
1648: <dropdown variable="REUSE_OLD_CODES">
1649: $namechoice
1650: </dropdown>
1651: <message><hr width='33%' /></message>
1652: $resource_selector
1653: </state>
1654: CHOOSE_ANON2
1655: }
1656:
1657: # FIXME: That RE should come from a library somewhere.
1658: if ((((&Apache::lonnet::allowed('bre',$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 $subdir ne '/home/httpd/html/res/') {
1659: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1660:
1661: my $f = '$filename';
1662: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1663: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1664: <message>(mark them then click "next" button) <br /></message>
1665: <files variable="FILES" multichoice='1'>
1666: <nextstate>PAGESIZE</nextstate>
1667: <filechoice>return '$subdir';</filechoice>
1668: CHOOSE_FROM_SUBDIR
1669:
1670: # this is broken up because I really want interpolation above,
1671: # and I really DON'T want it below
1672: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1673: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1674: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1675: </filefilter>
1676: </files>
1677: </state>
1678: CHOOSE_FROM_SUBDIR
1679: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1680: }
1681:
1682: # Allow the user to select any sequence in the course, feed it to
1683: # another resource selector for that sequence
1684: if (!$helper->{VARS}->{'construction'}) {
1685: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1686: 'select_sequences', 'CHOOSE_SEQUENCE'];
1687: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
1688: #Escape apostrophes and backslashes for Perl
1689: $escapedSequenceName =~ s/\\/\\\\/g;
1690: $escapedSequenceName =~ s/'/\\'/g;
1691: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1692: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
1693: <message>Select the sequence to print resources from:</message>
1694: <resource variable="SEQUENCE">
1695: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1696: <filterfunc>return \$res->is_sequence;</filterfunc>
1697: <valuefunc>return $urlValue;</valuefunc>
1698: </resource>
1699: </state>
1700: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
1701: <message>(mark desired resources then click "next" button) <br /></message>
1702: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1703: closeallpages="1">
1704: <nextstate>PAGESIZE</nextstate>
1705: <filterfunc>return $isProblem</filterfunc>
1706: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1707: <valuefunc>return $symbFilter;</valuefunc>
1708: </resource>
1709: </state>
1710: CHOOSE_FROM_ANY_SEQUENCE
1711: }
1712:
1713: # Generate the first state, to select which resources get printed.
1714: Apache::lonhelper::state->new("START", "Select Printing Options:");
1715: $paramHash = Apache::lonhelper::getParamHash();
1716: $paramHash->{MESSAGE_TEXT} = "";
1717: Apache::lonhelper::message->new();
1718: $paramHash = Apache::lonhelper::getParamHash();
1719: $paramHash->{'variable'} = 'PRINT_TYPE';
1720: $helper->declareVar('PRINT_TYPE');
1721: $paramHash->{CHOICES} = $printChoices;
1722: Apache::lonhelper::choices->new();
1723:
1724: my $startedTable = 0; # have we started an HTML table yet? (need
1725: # to close it later)
1726:
1727: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1728: ($helper->{VARS}->{'construction'} eq '1')) {
1729: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1730: $paramHash = Apache::lonhelper::getParamHash();
1731: $paramHash->{'variable'} = 'ANSWER_TYPE';
1732: $helper->declareVar('ANSWER_TYPE');
1733: $paramHash->{CHOICES} = [
1734: ['Without Answers', 'yes'],
1735: ['With Answers', 'no'],
1736: ['Only Answers', 'only'],
1737: ['As Exam Problem', 'exam']
1738: ];
1739: Apache::lonhelper::dropdown->new();
1740: addMessage("</td></tr>");
1741: $startedTable = 1;
1742: }
1743:
1744: if ($ENV{'request.role.adv'}) {
1745: if (!$startedTable) {
1746: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
1747: $startedTable = 1;
1748: } else {
1749: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
1750: }
1751: $paramHash = Apache::lonhelper::getParamHash();
1752: $paramHash->{'variable'} = 'LATEX_TYPE';
1753: $helper->declareVar('LATEX_TYPE');
1754: if ($helper->{VARS}->{'construction'} eq '1') {
1755: $paramHash->{CHOICES} = [
1756: ['standard LaTeX mode', 'standard'],
1757: ['LaTeX batchmode', 'batchmode'], ];
1758: } else {
1759: $paramHash->{CHOICES} = [
1760: ['LaTeX batchmode', 'batchmode'],
1761: ['standard LaTeX mode', 'standard'] ];
1762: }
1763: Apache::lonhelper::dropdown->new();
1764:
1765: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1766: $paramHash = Apache::lonhelper::getParamHash();
1767: $paramHash->{'variable'} = 'TABLE_CONTENTS';
1768: $helper->declareVar('TABLE_CONTENTS');
1769: $paramHash->{CHOICES} = [
1770: ['No', 'no'],
1771: ['Yes', 'yes'] ];
1772: Apache::lonhelper::dropdown->new();
1773: addMessage("</td></tr>");
1774:
1775: if (not $helper->{VARS}->{'construction'}) {
1776: addMessage("<tr><td align='right'>Print Index: </td><td>");
1777: $paramHash = Apache::lonhelper::getParamHash();
1778: $paramHash->{'variable'} = 'TABLE_INDEX';
1779: $helper->declareVar('TABLE_INDEX');
1780: $paramHash->{CHOICES} = [
1781: ['No', 'no'],
1782: ['Yes', 'yes'] ];
1783: Apache::lonhelper::dropdown->new();
1784: addMessage("</td></tr>");
1785: }
1786:
1787: if ($helper->{'VARS'}->{'construction'}) {
1788: my $stylevalue=$ENV{'construct.style'};
1789: my $xmlfrag .= <<"RNDSEED";
1790: <message><tr><td align='right'>Use random seed: </td><td></message>
1791: <string variable="curseed" size="15" maxlength="15">
1792: <defaultvalue>
1793: return $helper->{VARS}->{'curseed'};
1794: </defaultvalue>
1795: </string>
1796: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1797: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1798: <message></td></tr></message>
1799: RNDSEED
1800: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1801: $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1802: }
1803: }
1804:
1805:
1806:
1807:
1808: if ($startedTable) {
1809: addMessage("</table>");
1810: }
1811:
1812: Apache::lonprintout::page_format_state->new("FORMAT");
1813:
1814: # Generate the PAGESIZE state which will offer the user the margin
1815: # choices if they select one column
1816: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
1817: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
1818:
1819:
1820: $helper->process();
1821:
1822: # MANUAL BAILOUT CONDITION:
1823: # If we're in the "final" state, bailout and return to handler
1824: if ($helper->{STATE} eq 'FINAL') {
1825: return $helper;
1826: }
1827:
1828: $r->print($helper->display());
1829:
1830: Apache::lonhelper::unregisterHelperTags();
1831:
1832: untie %hash;
1833:
1834: return OK;
1835: }
1836:
1837:
1838: 1;
1839:
1840: package Apache::lonprintout::page_format_state;
1841:
1842: =pod
1843:
1844: =head1 Helper element: page_format_state
1845:
1846: See lonhelper.pm documentation for discussion of the helper framework.
1847:
1848: Apache::lonprintout::page_format_state is an element that gives the
1849: user an opportunity to select the page layout they wish to print
1850: with: Number of columns, portrait/landscape, and paper size. If you
1851: want to change the paper size choices, change the @paperSize array
1852: contents in this package.
1853:
1854: page_format_state is always directly invoked in lonprintout.pm, so there
1855: is no tag interface. You actually pass parameters to the constructor.
1856:
1857: =over 4
1858:
1859: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1860:
1861: =back
1862:
1863: =cut
1864:
1865: use Apache::lonhelper;
1866:
1867: no strict;
1868: @ISA = ("Apache::lonhelper::element");
1869: use strict;
1870: use Apache::lonlocal;
1871:
1872: my $maxColumns = 2;
1873: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1874: "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1875: "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]",
1876: "A5 [148x210 mm]", "A6 [105x148 mm]" );
1877:
1878: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
1879: # Paper type
1880:
1881: sub new {
1882: my $self = Apache::lonhelper::element->new();
1883:
1884: shift;
1885:
1886: $self->{'variable'} = shift;
1887: my $helper = Apache::lonhelper::getHelper();
1888: $helper->declareVar($self->{'variable'});
1889: bless($self);
1890: return $self;
1891: }
1892:
1893: sub render {
1894: my $self = shift;
1895: my $helper = Apache::lonhelper::getHelper();
1896: my $result = '';
1897: my $var = $self->{'variable'};
1898: my $PageLayout=&mt('Page layout');
1899: my $NumberOfColumns=&mt('Number of columns');
1900: my $PaperType=&mt('Paper type');
1901: $result .= <<STATEHTML;
1902:
1903: <hr width="33%" />
1904: <table cellpadding="3">
1905: <tr>
1906: <td align="center"><b>$PageLayout</b></td>
1907: <td align="center"><b>$NumberOfColumns</b></td>
1908: <td align="center"><b>$PaperType</b></td>
1909: </tr>
1910: <tr>
1911: <td>
1912: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
1913: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
1914: </td>
1915: <td align="center">
1916: <select name="${var}.cols">
1917: STATEHTML
1918:
1919: my $i;
1920: for ($i = 1; $i <= $maxColumns; $i++) {
1921: if ($i == 2) {
1922: $result .= "<option value='$i' selected>$i</option>\n";
1923: } else {
1924: $result .= "<option value='$i'>$i</option>\n";
1925: }
1926: }
1927:
1928: $result .= "</select></td><td>\n";
1929: $result .= "<select name='${var}.paper'>\n";
1930:
1931: $i = 0;
1932: foreach (@paperSize) {
1933: if ($i == 0) {
1934: $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
1935: } else {
1936: $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
1937: }
1938: $i++;
1939: }
1940:
1941: $result .= "</select></td></tr></table>";
1942: return $result;
1943: }
1944:
1945: sub postprocess {
1946: my $self = shift;
1947:
1948: my $var = $self->{'variable'};
1949: my $helper = Apache::lonhelper->getHelper();
1950: $helper->{VARS}->{$var} =
1951: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
1952: $ENV{"form.$var.paper"};
1953: return 1;
1954: }
1955:
1956: 1;
1957:
1958: package Apache::lonprintout::page_size_state;
1959:
1960: =pod
1961:
1962: =head1 Helper element: page_size_state
1963:
1964: See lonhelper.pm documentation for discussion of the helper framework.
1965:
1966: Apache::lonprintout::page_size_state is an element that gives the
1967: user the opportunity to further refine the page settings if they
1968: select a single-column page.
1969:
1970: page_size_state is always directly invoked in lonprintout.pm, so there
1971: is no tag interface. You actually pass parameters to the constructor.
1972:
1973: =over 4
1974:
1975: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1976:
1977: =back
1978:
1979: =cut
1980:
1981: use Apache::lonhelper;
1982:
1983: no strict;
1984: @ISA = ("Apache::lonhelper::element");
1985: use strict;
1986:
1987:
1988:
1989: sub new {
1990: my $self = Apache::lonhelper::element->new();
1991:
1992: shift; # disturbs me (probably prevents subclassing) but works (drops
1993: # package descriptor)... - Jeremy
1994:
1995: $self->{'variable'} = shift;
1996: my $helper = Apache::lonhelper::getHelper();
1997: $helper->declareVar($self->{'variable'});
1998:
1999: # The variable name of the format element, so we can look into
2000: # $helper->{VARS} to figure out whether the columns are one or two
2001: $self->{'formatvar'} = shift;
2002:
2003: # The state to transition to after selection, or after discovering
2004: # the cols are not set to 1
2005: $self->{NEXTSTATE} = shift;
2006: bless($self);
2007: return $self;
2008: }
2009:
2010: sub render {
2011: my $self = shift;
2012: my $helper = Apache::lonhelper::getHelper();
2013: my $result = '';
2014: my $var = $self->{'variable'};
2015:
2016: if (defined $self->{ERROR_MSG}) {
2017: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2018: }
2019:
2020: $result .= <<ELEMENTHTML;
2021:
2022: <p>How should the column be formatted?</p>
2023:
2024: <table cellpadding='3'>
2025: <tr>
2026: <td align='right'><b>Width</b>:</td>
2027: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2028: <td align='left'>
2029: <select name='$var.widthunit'>
2030: <option>cm</option><option>in</option>
2031: </select>
2032: </td>
2033: </tr>
2034: <tr>
2035: <td align='right'><b>Height</b>:</td>
2036: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2037: <td align='left'>
2038: <select name='$var.heightunit'>
2039: <option>cm</option><option>in</option>
2040: </select>
2041: </td>
2042: </tr>
2043: <tr>
2044: <td align='right'><b>Left margin</b>:</td>
2045: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2046: <td align='left'>
2047: <select name='$var.lmarginunit'>
2048: <option>cm</option><option>in</option>
2049: </select>
2050: </td>
2051: </tr>
2052: </table>
2053:
2054: <p>Hint: Some instructors like to leave scratch space for the student by
2055: making the width much smaller than the width of the page.</p>
2056:
2057: ELEMENTHTML
2058:
2059: return $result;
2060: }
2061:
2062: # If the user didn't select 1 column, skip this state.
2063: sub preprocess {
2064: my $self = shift;
2065: my $helper = Apache::lonhelper::getHelper();
2066:
2067: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2068: if (substr($format, 2, 1) ne '1') {
2069: $helper->changeState($self->{NEXTSTATE});
2070: }
2071:
2072: return 1;
2073: }
2074:
2075: sub postprocess {
2076: my $self = shift;
2077:
2078: my $var = $self->{'variable'};
2079: my $helper = Apache::lonhelper->getHelper();
2080: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
2081: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
2082: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
2083: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
2084: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
2085: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
2086:
2087: my $error = '';
2088:
2089: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2090: # by an optional period, followed by digits, ending the string
2091:
2092: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2093: $error .= "Invalid width; please type only a number.<br />\n";
2094: }
2095: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2096: $error .= "Invalid height; please type only a number.<br />\n";
2097: }
2098: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2099: $error .= "Invalid left margin; please type only a number.<br />\n";
2100: }
2101:
2102: if (!$error) {
2103: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2104: return 1;
2105: } else {
2106: $self->{ERROR_MSG} = $error;
2107: return 0;
2108: }
2109: }
2110:
2111:
2112:
2113: __END__
2114:
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