1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.282 2004/03/15 22:32:37 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 $LaTeXwidth;
662: }
663:
664: sub output_data {
665: my ($r,$helper,$rparmhash) = @_;
666: my %parmhash = %$rparmhash;
667: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
668: $r->print(<<ENDPART);
669: <html>
670: <script type="text/javascript" language="Javascript" >
671: var editbrowser;
672: function openbrowser(formname,elementname,only,omit) {
673: var url = '/res/?';
674: if (editbrowser == null) {
675: url += 'launch=1&';
676: }
677: url += 'catalogmode=interactive&';
678: url += 'mode=parmset&';
679: url += 'form=' + formname + '&';
680: if (only != null) {
681: url += 'only=' + only + '&';
682: }
683: if (omit != null) {
684: url += 'omit=' + omit + '&';
685: }
686: url += 'element=' + elementname + '';
687: var title = 'Browser';
688: var options = 'scrollbars=1,resizable=1,menubar=0';
689: options += ',width=700,height=600';
690: editbrowser = open(url,title,options,'1');
691: editbrowser.focus();
692: }
693: </script>
694: <head>
695: <title>LON-CAPA output for printing</title>
696: </head>
697: $bodytag
698: Please stand by while processing your print request, this may take some time ...
699: ENDPART
700:
701: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
702: my ($result,$selectionmade) = ('','');
703: my $number_of_columns = 1; #used only for pages to determine the width of the cell
704: my @temporary_array=split /\|/,$format_from_helper;
705: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
706: if ($laystyle eq 'L') {
707: $laystyle='album';
708: } else {
709: $laystyle='book';
710: }
711: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
712: my $assignment = $ENV{'form.assignment'};
713: my $LaTeXwidth=&recalcto_mm($textwidth);
714: my @print_array=();
715: my @student_names=();
716:
717: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
718: #-- single document - problem, page, html, xml, ...
719: my $currentURL;
720: if ($helper->{'VARS'}->{'construction'} ne '1') {
721: #prints published resource
722: $currentURL=$helper->{'VARS'}->{'postdata'};
723: } else {
724: #prints resource from the construction space
725: $currentURL='/'.$helper->{'VARS'}->{'filename'};
726: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
727: }
728: $selectionmade = 1;
729: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
730: my $rndseed=time;
731: my $texversion='';
732: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
733: my %moreenv;
734: $moreenv{'request.filename'}=$currentURL;
735: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
736: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
737: my $dom = $ENV{'user.domain'};
738: my $user = $ENV{'user.name'};
739: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
740: }
741: my %form;
742: $form{'grade_target'}='tex';
743: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
744: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
745: $form{'textwidth'}=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.$helper->{'VARS'}->{'pagesize.widthunit'});
746: } else {
747: $form{'textwidth'}=$LaTeXwidth;
748: }
749: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
750: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
751: if ($helper->{'VARS'}->{'curseed'}) {
752: $rndseed=$helper->{'VARS'}->{'curseed'};
753: }
754: $form{'rndseed'}=$rndseed;
755: &Apache::lonnet::appenv(%moreenv);
756: &Apache::lonnet::delenv('form.counter');
757: &Apache::lonxml::init_counter();
758: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
759: &Apache::lonnet::delenv('form.counter');
760: &Apache::lonnet::delenv('request.filename');
761: }
762: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
763: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
764: my %form;
765: $form{'grade_target'}='answer';
766: $form{'answer_output_mode'}='tex';
767: $form{'rndseed'}=$rndseed;
768: my $answer=&Apache::lonnet::ssi($currentURL,%form);
769: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
770: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
771: } else {
772: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
773: if ($helper->{'VARS'}->{'construction'} ne '1') {
774: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
775: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
776: } else {
777: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
778: my $URLpath=$currentURL;
779: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
780: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
781: }
782: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
783: }
784: }
785: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
786: $texversion=&IndexCreation($texversion,$currentURL);
787: }
788: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
789: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
790:
791: }
792: $result .= $texversion;
793: if ($currentURL=~m/\.page\s*$/) {
794: ($result,$number_of_columns) = &page_cleanup($result);
795: }
796: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
797: #printing content of sequence from the construction space
798: my $flag_latex_header_remove = 'NO';
799: my $rndseed=time;
800: if ($helper->{'VARS'}->{'curseed'}) {
801: $rndseed=$helper->{'VARS'}->{'curseed'};
802: }
803: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
804: my $errtext=&Apache::lonratedt::mapread($currentURL);
805: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
806: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
807: my $urlp=$2;
808: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
809: my $texversion='';
810: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
811: my %form;
812: $form{'grade_target'}='tex';
813: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
814: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
815: $form{'textwidth'}=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.$helper->{'VARS'}->{'pagesize.widthunit'});
816: } else {
817: $form{'textwidth'}=$LaTeXwidth;
818: }
819: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
820: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
821: $form{'rndseed'}=$rndseed;
822: $texversion=&Apache::lonnet::ssi($urlp,%form);
823: }
824: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
825: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
826: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
827: my %form;
828: $form{'grade_target'}='answer';
829: $form{'answer_output_mode'}='tex';
830: $form{'rndseed'}=$rndseed;
831: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
832: my $answer=&Apache::lonnet::ssi($urlp,%form);
833: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
834: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
835: } else {
836: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
837: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
838: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
839: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
840: }
841: }
842: if ($flag_latex_header_remove ne 'NO') {
843: $texversion = &latex_header_footer_remove($texversion);
844: } else {
845: $texversion =~ s/\\end{document}//;
846: }
847: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
848: $texversion=&IndexCreation($texversion,$urlp);
849: }
850: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
851: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
852: }
853: $result.=$texversion;
854: $flag_latex_header_remove = 'YES';
855: } elsif ($urlp=~/\.(sequence|page)$/) {
856: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
857: }
858: }
859: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
860: $result .= '\end{document}';
861: } elsif ($currentURL=~/\/smppg$/) {
862: my %form;
863: $form{'grade_target'}='tex';
864: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
865: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
866: $form{'textwidth'}=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.$helper->{'VARS'}->{'pagesize.widthunit'});
867: } else {
868: $form{'textwidth'}=$LaTeXwidth;
869: }
870: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
871: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
872: $result .= $texversion;
873: } else {
874: $result.='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
875: if ($currentURL=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
876: $result.=$1;
877: } elsif ($currentURL=~/\/ext\//) {
878: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
879: } else {
880: $result.=$currentURL;
881: }
882: $result.=' \end{document}'
883: }
884: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
885: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
886: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
887: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
888: #-- produce an output string
889: my %form=();
890: $form{'grade_target'}='tex';
891: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
892: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
893: $form{'textwidth'}=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.$helper->{'VARS'}->{'pagesize.widthunit'});
894: } else {
895: $form{'textwidth'}=$LaTeXwidth;
896: }
897: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
898: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
899: my $flag_latex_header_remove = 'NO';
900: my $flag_page_in_sequence = 'NO';
901: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
902: my $prevassignment='';
903: &Apache::lonnet::delenv('form.counter');
904: &Apache::lonxml::init_counter();
905: for (my $i=0;$i<=$#master_seq;$i++) {
906: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
907: $urlp=&Apache::lonnet::clutter($urlp);
908: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
909: $selectionmade = 2;
910: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
911: $selectionmade = 3;
912: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
913: $selectionmade = 4;
914: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
915: $selectionmade = 7;
916: }
917: $form{'symb'}=$master_seq[$i];
918: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
919: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
920: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
921: if ($i==0) {$prevassignment=$assignment;}
922: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
923: my $texversion.=&Apache::lonnet::ssi($urlp,%form);
924: if ($urlp=~/\.page$/) {
925: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
926: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
927: $texversion =~ s/\\end{document}\d*/\\end{document}/;
928: $flag_page_in_sequence = 'YES';
929: }
930: my $lonidsdir=$r->dir_config('lonIDsDir');
931: my $envfile=$ENV{'user.environment'};
932: $envfile=~/\/([^\/]+)\.id$/;
933: $envfile=$1;
934: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
935: my $current_counter=$ENV{'form.counter'};
936: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
937: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
938: my %form;
939: $form{'grade_target'}='answer';
940: $form{'answer_output_mode'}='tex';
941: my $answer=&Apache::lonnet::ssi($urlp,%form);
942: &Apache::lonnet::appenv(('form.counter' => $current_counter));
943: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
944: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
945: } else {
946: if ($urlp=~/\.(problem|exam|quiz|library)$/) {
947: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
948: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
949: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
950: $texversion.='\vskip 1 mm '.$answer;
951: } else {
952: $texversion='';
953: }
954: }
955: }
956: if ($flag_latex_header_remove ne 'NO') {
957: $texversion = &latex_header_footer_remove($texversion);
958: } else {
959: $texversion =~ s/\\end{document}//;
960: }
961: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
962: $texversion=&IndexCreation($texversion,$urlp);
963: }
964: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
965: my $name = &get_name();
966: my $courseidinfo = &get_course();
967: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
968: $prevassignment=$assignment;
969: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
970: }
971: $result .= $texversion;
972: $flag_latex_header_remove = 'YES';
973: }
974: &Apache::lonnet::delenv('form.counter');
975: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
976: $result .= '\end{document}';
977: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')) {
978: #-- prints assignments for whole class or for selected students
979: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
980: $selectionmade=5;
981: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
982: $selectionmade=8;
983: }
984: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
985: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
986: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
987: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
988: }
989: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
990: #loop over students
991: my $flag_latex_header_remove = 'NO';
992: my %moreenv;
993: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
994: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
995: $moreenv{'textwidth'}=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.$helper->{'VARS'}->{'pagesize.widthunit'});
996: } else {
997: $moreenv{'textwidth'}=$LaTeXwidth;
998: }
999: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
1000: my $student_counter=-1;
1001: foreach my $person (@students) {
1002: $student_counter++;
1003: my $current_output = '';
1004: my ($username,$userdomain,$usersection) = split /:/,$person;
1005: my $fullname = &get_name($username,$userdomain);
1006:
1007: if ($parmhash{'anonymous_quiz'}=~/yes/) {$fullname=' ';} #put here something reasonable for anonymous exams or quiz
1008: #goes through all resources, checks if they are available for current student, and produces output
1009: &Apache::lonnet::delenv('form.counter');
1010: &Apache::lonxml::init_counter();
1011: foreach my $curresline (@master_seq) {
1012: if ((($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) && ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students')) || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')) {
1013: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1014: if (&Apache::lonnet::allowed('bre',$res_url)) {
1015: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,
1016: $ENV{'request.course.id'},'tex',\%moreenv);
1017: my $lonidsdir=$r->dir_config('lonIDsDir');
1018: my $envfile=$ENV{'user.environment'};
1019: $envfile=~/\/([^\/]+)\.id$/;
1020: $envfile=$1;
1021: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1022: my $current_counter=$ENV{'form.counter'};
1023: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1024: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1025: my %form;
1026: $form{'answer_output_mode'}='tex';
1027: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1028: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
1029: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1030: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1031: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1032: } else {
1033: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1034: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1035: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1036: $rendered.='\vskip 1 mm '.$ansrendered;
1037: }
1038: }
1039: if ($flag_latex_header_remove eq 'YES') {
1040: $rendered = &latex_header_footer_remove($rendered);
1041: } else {
1042: $rendered =~ s/\\end{document}//;
1043: }
1044: $current_output .= $rendered;
1045: }
1046: $flag_latex_header_remove = 'YES';
1047: }
1048: }
1049: my $courseidinfo = &get_course();
1050: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1051: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1052: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1053: if ($current_output=~/\\documentclass/) {
1054: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
1055: } else {
1056: my $blanspages = '';
1057: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
1058: $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}}} \vskip -5 mm '.$current_output;
1059: }
1060: $print_array[int($student_counter/$helper->{'VARS'}->{'NUMBER_TO_PRINT'})].=$current_output;
1061: $student_names[int($student_counter/$helper->{'VARS'}->{'NUMBER_TO_PRINT'})].=$person.':'.$fullname.'_END_';
1062: &Apache::lonnet::delenv('form.counter');
1063: &Apache::lonxml::init_counter();
1064: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1065: &mt('last student').' '.$fullname);
1066: }
1067: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1068: $result .= $print_array[0].' \end{document}';
1069: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1070: #prints selected problems from the subdirectory
1071: $selectionmade = 6;
1072: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1073: @list_of_files=sort @list_of_files;
1074: my $flag_latex_header_remove = 'NO';
1075: my $rndseed=time;
1076: if ($helper->{'VARS'}->{'curseed'}) {
1077: $rndseed=$helper->{'VARS'}->{'curseed'};
1078: }
1079: for (my $i=0;$i<=$#list_of_files;$i++) {
1080: my $urlp = $list_of_files[$i];
1081: $urlp=~s|//|/|;
1082: if ($urlp=~/\//) {
1083: my %form;
1084: $form{'grade_target'}='tex';
1085: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
1086: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1087: $form{'textwidth'}=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.$helper->{'VARS'}->{'pagesize.widthunit'});
1088: } else {
1089: $form{'textwidth'}=$LaTeXwidth;
1090: }
1091: $form{'rndseed'}=$rndseed;
1092: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1093: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1094: } else {
1095: $urlp =~ s|^/home/httpd/html||;
1096: }
1097: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1098: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1099: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1100: my %form;
1101: $form{'grade_target'}='answer';
1102: $form{'answer_output_mode'}='tex';
1103: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1104: $form{'rndseed'}=$rndseed;
1105: my $answer=&Apache::lonnet::ssi($urlp,%form);
1106: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1107: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1108: } else {
1109: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1110: if ($helper->{'VARS'}->{'construction'} ne '1') {
1111: $texversion.='\vskip 0 mm \noindent ';
1112: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1113: } else {
1114: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1115: my $URLpath=$urlp;
1116: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1117: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1118: }
1119: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1120: }
1121: }
1122: #this chunck is responsible for printing the path to problem
1123: my $newurlp=$urlp;
1124: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1125: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1126: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1127: if ($flag_latex_header_remove ne 'NO') {
1128: $texversion = &latex_header_footer_remove($texversion);
1129: } else {
1130: $texversion =~ s/\\end{document}//;
1131: }
1132: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1133: $texversion=&IndexCreation($texversion,$urlp);
1134: }
1135: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1136: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1137:
1138: }
1139: $result .= $texversion;
1140: }
1141: $flag_latex_header_remove = 'YES';
1142: }
1143: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1144: $result .= '\end{document}';
1145: }
1146: #-------------------------------------------------------- corrections for the different page formats
1147: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'});
1148: $result = &latex_corrections($number_of_columns,$result);
1149: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i]);}
1150: #changes page's parameters for the one column output
1151: if ($numberofcolumns == 1) {
1152: $result =~ s/\\textwidth\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1153: $result =~ s/\\textheight\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1154: $result =~ s/\\evensidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1155: $result =~ s/\\oddsidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1156: }
1157: #-- writing .tex file in prtspool
1158: my $temp_file;
1159: my $identifier = &Apache::loncommon::get_cgi_id();
1160: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
1161: if (!($#print_array>0)) {
1162: unless ($temp_file = Apache::File->new('>'.$filename)) {
1163: $r->log_error("Couldn't open $filename for output $!");
1164: return SERVER_ERROR;
1165: }
1166: print $temp_file $result;
1167: my $begin=index($result,'\begin{document}',0);
1168: my $inc=substr($result,0,$begin+16);
1169: } else {
1170: my $begin=index($result,'\begin{document}',0);
1171: my $inc=substr($result,0,$begin+16);
1172: for (my $i=0;$i<=$#print_array;$i++) {
1173: if ($i==0) {
1174: $print_array[$i]=$result;
1175: } else {
1176: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1177: substr($print_array[$i],0,$anobegin)='';
1178: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1179: }
1180: my $temp_file;
1181: my $newfilename=$filename;
1182: my $num=$i+1;
1183: $newfilename =~s/\.tex$/_$num\.tex/;
1184: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1185: $r->log_error("Couldn't open $newfilename for output $!");
1186: return SERVER_ERROR;
1187: }
1188: print $temp_file $print_array[$i];
1189: }
1190: }
1191: my $student_names='';
1192: if ($#print_array>0) {
1193: for (my $i=0;$i<=$#print_array;$i++) {
1194: $student_names.=$student_names[$i].'_ENDPERSON_';
1195: }
1196: } else {
1197: if ($#student_names>-1) {
1198: $student_names=$student_names[0].'_ENDPERSON_';
1199: } else {
1200: my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
1201: $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
1202: $ENV{'request.course.sec'},$fullname).
1203: '_ENDPERSON_'.'_END_';
1204: }
1205: }
1206:
1207: my $URLback=''; #link to original document
1208: if ($helper->{'VARS'}->{'construction'} ne '1') {
1209: #prints published resource
1210: $URLback=$helper->{'VARS'}->{'postdata'};
1211: } else {
1212: #prints resource from the construction space
1213: $URLback='/'.$helper->{'VARS'}->{'filename'};
1214: if ($URLback=~/([^?]+)/) {
1215: $URLback=$1;
1216: $URLback=~s|^/~|/priv/|;
1217: }
1218: }
1219:
1220: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1221: 'cgi.'.$identifier.'.layout' => $laystyle,
1222: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1223: 'cgi.'.$identifier.'.selection' => $selectionmade,
1224: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1225: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1226: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1227: 'cgi.'.$identifier.'numberoffiles' => $#print_array,
1228: 'cgi.'.$identifier.'studentnames' => $student_names,
1229: 'cgi.'.$identifier.'backref' => $URLback,);
1230:
1231: $r->print(<<FINALEND);
1232: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier">
1233: </body>
1234: </html>
1235: FINALEND
1236: }
1237:
1238:
1239:
1240: sub handler {
1241:
1242: my $r = shift;
1243: my $helper;
1244:
1245: # my $loaderror=&Apache::lonnet::overloaderror($r);
1246: # if ($loaderror) { return $loaderror; }
1247: # $loaderror=
1248: # &Apache::lonnet::overloaderror($r,
1249: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
1250: # if ($loaderror) { return $loaderror; }
1251:
1252: my $result = printHelper($r);
1253: if (!ref($result)) {
1254: return $result;
1255: }
1256: $helper = $result;
1257:
1258: # my $key;
1259: # foreach $key (keys %{$helper->{'VARS'}}) {
1260: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1261: # }
1262: # foreach $key (keys %ENV) {
1263: # $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
1264: # }
1265: # return OK;
1266:
1267: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1268:
1269: # my $key;
1270: # foreach $key (keys %parmhash) {
1271: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1272: # }
1273: # return OK;
1274:
1275: &output_data($r,$helper,\%parmhash);
1276: return OK;
1277: }
1278:
1279: use Apache::lonhelper;
1280:
1281: sub addMessage {
1282: my $text = shift;
1283: my $paramHash = Apache::lonhelper::getParamHash();
1284: $paramHash->{MESSAGE_TEXT} = $text;
1285: Apache::lonhelper::message->new();
1286: }
1287:
1288: use Data::Dumper;
1289:
1290: sub printHelper {
1291: my $r = shift;
1292:
1293: if ($ENV{'request.course.id'}) {
1294: my $fn=$ENV{'request.course.fn'};
1295: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1296: }
1297:
1298: if ($r->header_only) {
1299: if ($ENV{'browser.mathml'}) {
1300: &Apache::loncommon::content_type($r,'text/xml');
1301: } else {
1302: &Apache::loncommon::content_type($r,'text/html');
1303: }
1304: $r->send_http_header;
1305: return OK;
1306: }
1307:
1308: # Send header, nocache
1309: if ($ENV{'browser.mathml'}) {
1310: &Apache::loncommon::content_type($r,'text/xml');
1311: } else {
1312: &Apache::loncommon::content_type($r,'text/html');
1313: }
1314: &Apache::loncommon::no_cache($r);
1315: $r->send_http_header;
1316: $r->rflush();
1317:
1318: # Unfortunately, this helper is so complicated we have to
1319: # write it by hand
1320:
1321: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1322:
1323: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1324: $helper->declareVar('symb');
1325: $helper->declareVar('postdata');
1326: $helper->declareVar('curseed');
1327: $helper->declareVar('filename');
1328: $helper->declareVar('construction');
1329: $helper->declareVar('assignment');
1330: $helper->declareVar('style_file');
1331:
1332: # This will persistently load in the data we want from the
1333: # very first screen.
1334: # Detect whether we're coming from construction space
1335: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1336: $helper->{VARS}->{'filename'} = "~$1/$2";
1337: $helper->{VARS}->{'construction'} = 1;
1338: } else {
1339: if ($ENV{'form.postdata'}) {
1340: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
1341: }
1342: if ($ENV{'form.symb'}) {
1343: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1344: }
1345: if ($ENV{'form.url'}) {
1346: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1347: }
1348: }
1349:
1350: if ($ENV{'form.symb'}) {
1351: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1352: }
1353: if ($ENV{'form.url'}) {
1354: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1355:
1356: }
1357:
1358: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1359: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1360:
1361:
1362: # Extract map
1363: my $symb = $helper->{VARS}->{'symb'};
1364: my ($map, $id, $url);
1365: my $subdir;
1366:
1367: # Get the resource name from construction space
1368: if ($helper->{VARS}->{'construction'}) {
1369: $resourceTitle = substr($helper->{VARS}->{'filename'},
1370: rindex($helper->{VARS}->{'filename'}, '/')+1);
1371: $subdir = substr($helper->{VARS}->{'filename'},
1372: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1373: } else {
1374: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1375: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1376:
1377: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1378: my $postdata = $helper->{VARS}->{'postdata'};
1379: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1380: }
1381: $subdir = &Apache::lonnet::filelocation("", $url);
1382: }
1383: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
1384: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
1385: }
1386:
1387: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1388: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
1389: $ENV{'request.role'}=~m/^in\./ or
1390: $ENV{'request.role'}=~m/^ta\./);
1391:
1392: Apache::lonhelper::registerHelperTags();
1393:
1394: # "Delete everything after the last slash."
1395: $subdir =~ s|/[^/]+$||;
1396: if (not $helper->{VARS}->{'construction'}) {
1397: $subdir='/home/httpd/html/res/'.$subdir;
1398: }
1399: # "Remove all duplicate slashes."
1400: $subdir =~ s|/+|/|g;
1401:
1402: # What can be printed is a very dynamic decision based on
1403: # lots of factors. So we need to dynamically build this list.
1404: # To prevent security leaks, states are only added to the wizard
1405: # if they can be reached, which ensures manipulating the form input
1406: # won't allow anyone to reach states they shouldn't have permission
1407: # to reach.
1408:
1409: # printChoices is tracking the kind of printing the user can
1410: # do, and will be used in a choices construction later.
1411: # In the meantime we will be adding states and elements to
1412: # the helper by hand.
1413: my $printChoices = [];
1414: my $paramHash;
1415:
1416: if ($resourceTitle) {
1417: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (what you just saw on the screen)", 'current_document', 'PAGESIZE'];
1418: }
1419:
1420: # $r->print($helper->{VARS}->{'postdata'});
1421:
1422: # Useful filter strings
1423: my $isProblem = '$res->is_problem()';
1424: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1425: my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
1426: my $isNotMap = '!$res->is_map()';
1427: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1428: my $isMap = '$res->is_map()';
1429: my $symbFilter = '$res->symb()';
1430: my $urlValue = '$res->src()';
1431:
1432: $helper->declareVar('SEQUENCE');
1433:
1434: # Useful for debugging: Dump the help vars
1435: #$r->print(Dumper($helper->{VARS}));
1436: #$r->print($map);
1437:
1438: # If we're in a sequence...
1439: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1440: $helper->{VARS}->{'postdata'} &&
1441: $helper->{VARS}->{'assignment'}) {
1442: # Allow problems from sequence
1443: push @{$printChoices}, ["<b>Problems</b> in <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1444: # Allow all resources from sequence
1445: push @{$printChoices}, ["<b>Resources</b> in <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1446:
1447: my $helperFragment = <<HELPERFRAGMENT;
1448: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1449: <message>(mark them then click "next" button) <br /></message>
1450: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1451: <nextstate>PAGESIZE</nextstate>
1452: <filterfunc>return $isProblem;</filterfunc>
1453: <mapurl>$map</mapurl>
1454: <valuefunc>return $symbFilter;</valuefunc>
1455: </resource>
1456: </state>
1457:
1458: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1459: <message>(mark them then click "next" button) <br /></message>
1460: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1461: <nextstate>PAGESIZE</nextstate>
1462: <filterfunc>return $isNotMap;</filterfunc>
1463: <mapurl>$map</mapurl>
1464: <valuefunc>return $symbFilter;</valuefunc>
1465: </resource>
1466: </state>
1467: HELPERFRAGMENT
1468:
1469: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1470: }
1471:
1472: # If the user is priviledged, allow them to print all
1473: # problems in the course, optionally for selected students
1474: if ($userPriviledged && ($helper->{VARS}->{'postdata'}=~/\/res\//)) {
1475: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1476: if ($helper->{VARS}->{'assignment'}) {
1477: push @{$printChoices}, ["<b>Problems</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
1478: }
1479: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1480: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1481: <message>(mark them then click "next" button) <br /></message>
1482: <resource variable="RESOURCES" multichoice="1"
1483: suppressEmptySequences='1' addstatus="1">
1484: <nextstate>PAGESIZE</nextstate>
1485: <filterfunc>return $isProblemOrMap;</filterfunc>
1486: <choicefunc>return $isProblem;</choicefunc>
1487: <valuefunc>return $symbFilter;</valuefunc>
1488: </resource>
1489: </state>
1490:
1491: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1492: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1493: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1494: <resource variable="RESOURCES" multichoice="1" addstatus="1">
1495: <filterfunc>return $isProblem;</filterfunc>
1496: <mapurl>$map</mapurl>
1497: <valuefunc>return $symbFilter;</valuefunc>
1498: </resource>
1499: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1500: <choices variable="EMPTY_PAGES">
1501: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1502: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1503: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1504: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1505: </choices>
1506: </state>
1507: CHOOSE_STUDENTS
1508:
1509: addMessage("<hr width='33%' /><b>Number of assignments printed at the same time: </b>");
1510: $paramHash = Apache::lonhelper::getParamHash();
1511: $paramHash->{'variable'} = 'NUMBER_TO_PRINT';
1512: $helper->declareVar('NUMBER_TO_PRINT');
1513: addMessage("<input type='text' name='NUMBER_TO_PRINT.forminput' size='3' value='all' /><hr width='33%' />");
1514:
1515: if ($helper->{VARS}->{'assignment'}) {
1516: push @{$printChoices}, ["<b>Resources</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
1517: }
1518: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
1519: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1520: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1521: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1522: <resource variable="RESOURCES" multichoice="1" addstatus="1">
1523: <filterfunc>return $isNotMap;</filterfunc>
1524: <mapurl>$map</mapurl>
1525: <valuefunc>return $symbFilter;</valuefunc>
1526: </resource>
1527: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1528: <choices variable="EMPTY_PAGES">
1529: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1530: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1531: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1532: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1533: </choices>
1534: </state>
1535: CHOOSE_STUDENTS1
1536:
1537: addMessage("<hr width='33%' /><b>Number of assignments printed at the same time: </b>");
1538: $paramHash = Apache::lonhelper::getParamHash();
1539: $paramHash->{'variable'} = 'NUMBER_TO_PRINT';
1540: $helper->declareVar('NUMBER_TO_PRINT');
1541: addMessage("<input type='text' name='NUMBER_TO_PRINT.forminput' size='3' value='all' /><hr width='33%' />");
1542: }
1543:
1544: # FIXME: That RE should come from a library somewhere.
1545: if ((((&Apache::lonnet::allowed('bre',$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 $subdir ne '/home/httpd/html/res/') {
1546: push @{$printChoices}, ["<b>Problems</b> from current subdirectory <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1547:
1548: my $f = '$filename';
1549: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1550: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1551: <message>(mark them then click "next" button) <br /></message>
1552: <files variable="FILES" multichoice='1'>
1553: <nextstate>PAGESIZE</nextstate>
1554: <filechoice>return '$subdir';</filechoice>
1555: CHOOSE_FROM_SUBDIR
1556:
1557: # this is broken up because I really want interpolation above,
1558: # and I really DON'T want it below
1559: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1560: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1561: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1562: </filefilter>
1563: </files>
1564: </state>
1565: CHOOSE_FROM_SUBDIR
1566: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1567: }
1568:
1569: # Allow the user to select any sequence in the course, feed it to
1570: # another resource selector for that sequence
1571: if (!$helper->{VARS}->{'construction'}) {
1572: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1573: 'select_sequences', 'CHOOSE_SEQUENCE'];
1574: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
1575: #Escape apostrophes and backslashes for Perl
1576: $escapedSequenceName =~ s/\\/\\\\/g;
1577: $escapedSequenceName =~ s/'/\\'/g;
1578: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1579: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
1580: <message>Select the sequence to print resources from:</message>
1581: <resource variable="SEQUENCE">
1582: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1583: <filterfunc>return \$res->is_sequence;</filterfunc>
1584: <valuefunc>return $urlValue;</valuefunc>
1585: </resource>
1586: </state>
1587: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
1588: <message>(mark desired resources then click "next" button) <br /></message>
1589: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1590: <nextstate>PAGESIZE</nextstate>
1591: <filterfunc>return $isProblem</filterfunc>
1592: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1593: <valuefunc>return $symbFilter;</valuefunc>
1594: </resource>
1595: </state>
1596: CHOOSE_FROM_ANY_SEQUENCE
1597: }
1598:
1599: # Generate the first state, to select which resources get printed.
1600: Apache::lonhelper::state->new("START", "Select Printing Options:");
1601: $paramHash = Apache::lonhelper::getParamHash();
1602: $paramHash->{MESSAGE_TEXT} = "";
1603: Apache::lonhelper::message->new();
1604: $paramHash = Apache::lonhelper::getParamHash();
1605: $paramHash->{'variable'} = 'PRINT_TYPE';
1606: $helper->declareVar('PRINT_TYPE');
1607: $paramHash->{CHOICES} = $printChoices;
1608: Apache::lonhelper::choices->new();
1609:
1610: my $startedTable = 0; # have we started an HTML table yet? (need
1611: # to close it later)
1612:
1613: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1614: ($helper->{VARS}->{'construction'} eq '1')) {
1615: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1616: $paramHash = Apache::lonhelper::getParamHash();
1617: $paramHash->{'variable'} = 'ANSWER_TYPE';
1618: $helper->declareVar('ANSWER_TYPE');
1619: $paramHash->{CHOICES} = [
1620: ['Without Answers', 'yes'],
1621: ['With Answers', 'no'],
1622: ['Only Answers', 'only'] ];
1623: Apache::lonhelper::dropdown->new();
1624: addMessage("</td></tr>");
1625: $startedTable = 1;
1626: }
1627:
1628: if ($ENV{'request.role.adv'}) {
1629: if (!$startedTable) {
1630: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
1631: $startedTable = 1;
1632: } else {
1633: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
1634: }
1635: $paramHash = Apache::lonhelper::getParamHash();
1636: $paramHash->{'variable'} = 'LATEX_TYPE';
1637: $helper->declareVar('LATEX_TYPE');
1638: if ($helper->{VARS}->{'construction'} eq '1') {
1639: $paramHash->{CHOICES} = [
1640: ['standard LaTeX mode', 'standard'],
1641: ['LaTeX batchmode', 'batchmode'], ];
1642: } else {
1643: $paramHash->{CHOICES} = [
1644: ['LaTeX batchmode', 'batchmode'],
1645: ['standard LaTeX mode', 'standard'] ];
1646: }
1647: Apache::lonhelper::dropdown->new();
1648:
1649: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1650: $paramHash = Apache::lonhelper::getParamHash();
1651: $paramHash->{'variable'} = 'TABLE_CONTENTS';
1652: $helper->declareVar('TABLE_CONTENTS');
1653: $paramHash->{CHOICES} = [
1654: ['No', 'no'],
1655: ['Yes', 'yes'] ];
1656: Apache::lonhelper::dropdown->new();
1657: addMessage("</td></tr>");
1658:
1659: if (not $helper->{VARS}->{'construction'}) {
1660: addMessage("<tr><td align='right'>Print Index: </td><td>");
1661: $paramHash = Apache::lonhelper::getParamHash();
1662: $paramHash->{'variable'} = 'TABLE_INDEX';
1663: $helper->declareVar('TABLE_INDEX');
1664: $paramHash->{CHOICES} = [
1665: ['No', 'no'],
1666: ['Yes', 'yes'] ];
1667: Apache::lonhelper::dropdown->new();
1668: addMessage("</td></tr>");
1669: }
1670:
1671: if ($helper->{'VARS'}->{'construction'}) {
1672: my $stylevalue=$ENV{'construct.style'};
1673: my $xmlfrag .= <<"RNDSEED";
1674: <message><tr><td align='right'>Use random seed: </td><td></message>
1675: <string variable="curseed" size="15" maxlength="15">
1676: <defaultvalue>
1677: return $helper->{VARS}->{'curseed'};
1678: </defaultvalue>
1679: </string>
1680: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1681: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1682: <message></td></tr></message>
1683: RNDSEED
1684: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1685: $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1686: }
1687: }
1688:
1689:
1690:
1691:
1692: if ($startedTable) {
1693: addMessage("</table>");
1694: }
1695:
1696: Apache::lonprintout::page_format_state->new("FORMAT");
1697:
1698: # Generate the PAGESIZE state which will offer the user the margin
1699: # choices if they select one column
1700: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
1701: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
1702:
1703:
1704: $helper->process();
1705:
1706: # MANUAL BAILOUT CONDITION:
1707: # If we're in the "final" state, bailout and return to handler
1708: if ($helper->{STATE} eq 'FINAL') {
1709: return $helper;
1710: }
1711:
1712: $r->print($helper->display());
1713:
1714: Apache::lonhelper::unregisterHelperTags();
1715:
1716: untie %hash;
1717:
1718: return OK;
1719: }
1720:
1721:
1722: 1;
1723:
1724: package Apache::lonprintout::page_format_state;
1725:
1726: =pod
1727:
1728: =head1 Helper element: page_format_state
1729:
1730: See lonhelper.pm documentation for discussion of the helper framework.
1731:
1732: Apache::lonprintout::page_format_state is an element that gives the
1733: user an opportunity to select the page layout they wish to print
1734: with: Number of columns, portrait/landscape, and paper size. If you
1735: want to change the paper size choices, change the @paperSize array
1736: contents in this package.
1737:
1738: page_format_state is always directly invoked in lonprintout.pm, so there
1739: is no tag interface. You actually pass parameters to the constructor.
1740:
1741: =over 4
1742:
1743: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1744:
1745: =back
1746:
1747: =cut
1748:
1749: use Apache::lonhelper;
1750:
1751: no strict;
1752: @ISA = ("Apache::lonhelper::element");
1753: use strict;
1754: use Apache::lonlocal;
1755:
1756: my $maxColumns = 2;
1757: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1758: "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1759: "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]",
1760: "A5 [148x210 mm]", "A6 [105x148 mm]" );
1761:
1762: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
1763: # Paper type
1764:
1765: sub new {
1766: my $self = Apache::lonhelper::element->new();
1767:
1768: shift;
1769:
1770: $self->{'variable'} = shift;
1771: my $helper = Apache::lonhelper::getHelper();
1772: $helper->declareVar($self->{'variable'});
1773: bless($self);
1774: return $self;
1775: }
1776:
1777: sub render {
1778: my $self = shift;
1779: my $helper = Apache::lonhelper::getHelper();
1780: my $result = '';
1781: my $var = $self->{'variable'};
1782: my $PageLayout=&mt('Page layout');
1783: my $NumberOfColumns=&mt('Number of columns');
1784: my $PaperType=&mt('Paper type');
1785: $result .= <<STATEHTML;
1786:
1787: <hr width="33%" />
1788: <table cellpadding="3">
1789: <tr>
1790: <td align="center"><b>$PageLayout</b></td>
1791: <td align="center"><b>$NumberOfColumns</b></td>
1792: <td align="center"><b>$PaperType</b></td>
1793: </tr>
1794: <tr>
1795: <td>
1796: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
1797: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
1798: </td>
1799: <td align="center">
1800: <select name="${var}.cols">
1801: STATEHTML
1802:
1803: my $i;
1804: for ($i = 1; $i <= $maxColumns; $i++) {
1805: if ($i == 2) {
1806: $result .= "<option value='$i' selected>$i</option>\n";
1807: } else {
1808: $result .= "<option value='$i'>$i</option>\n";
1809: }
1810: }
1811:
1812: $result .= "</select></td><td>\n";
1813: $result .= "<select name='${var}.paper'>\n";
1814:
1815: $i = 0;
1816: foreach (@paperSize) {
1817: if ($i == 0) {
1818: $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
1819: } else {
1820: $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
1821: }
1822: $i++;
1823: }
1824:
1825: $result .= "</select></td></tr></table>";
1826: return $result;
1827: }
1828:
1829: sub postprocess {
1830: my $self = shift;
1831:
1832: my $var = $self->{'variable'};
1833: my $helper = Apache::lonhelper->getHelper();
1834: $helper->{VARS}->{$var} =
1835: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
1836: $ENV{"form.$var.paper"};
1837: return 1;
1838: }
1839:
1840: 1;
1841:
1842: package Apache::lonprintout::page_size_state;
1843:
1844: =pod
1845:
1846: =head1 Helper element: page_size_state
1847:
1848: See lonhelper.pm documentation for discussion of the helper framework.
1849:
1850: Apache::lonprintout::page_size_state is an element that gives the
1851: user the opportunity to further refine the page settings if they
1852: select a single-column page.
1853:
1854: page_size_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:
1871:
1872:
1873: sub new {
1874: my $self = Apache::lonhelper::element->new();
1875:
1876: shift; # disturbs me (probably prevents subclassing) but works (drops
1877: # package descriptor)... - Jeremy
1878:
1879: $self->{'variable'} = shift;
1880: my $helper = Apache::lonhelper::getHelper();
1881: $helper->declareVar($self->{'variable'});
1882:
1883: # The variable name of the format element, so we can look into
1884: # $helper->{VARS} to figure out whether the columns are one or two
1885: $self->{'formatvar'} = shift;
1886:
1887: # The state to transition to after selection, or after discovering
1888: # the cols are not set to 1
1889: $self->{NEXTSTATE} = shift;
1890: bless($self);
1891: return $self;
1892: }
1893:
1894: sub render {
1895: my $self = shift;
1896: my $helper = Apache::lonhelper::getHelper();
1897: my $result = '';
1898: my $var = $self->{'variable'};
1899:
1900: if (defined $self->{ERROR_MSG}) {
1901: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
1902: }
1903:
1904: $result .= <<ELEMENTHTML;
1905:
1906: <p>How should the column be formatted?</p>
1907:
1908: <table cellpadding='3'>
1909: <tr>
1910: <td align='right'><b>Width</b>:</td>
1911: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
1912: <td align='left'>
1913: <select name='$var.widthunit'>
1914: <option>cm</option><option>in</option>
1915: </select>
1916: </td>
1917: </tr>
1918: <tr>
1919: <td align='right'><b>Height</b>:</td>
1920: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
1921: <td align='left'>
1922: <select name='$var.heightunit'>
1923: <option>cm</option><option>in</option>
1924: </select>
1925: </td>
1926: </tr>
1927: <tr>
1928: <td align='right'><b>Left margin</b>:</td>
1929: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
1930: <td align='left'>
1931: <select name='$var.lmarginunit'>
1932: <option>cm</option><option>in</option>
1933: </select>
1934: </td>
1935: </tr>
1936: </table>
1937:
1938: <p>Hint: Some instructors like to leave scratch space for the student by
1939: making the width much smaller than the width of the page.</p>
1940:
1941: ELEMENTHTML
1942:
1943: return $result;
1944: }
1945:
1946: # If the user didn't select 1 column, skip this state.
1947: sub preprocess {
1948: my $self = shift;
1949: my $helper = Apache::lonhelper::getHelper();
1950:
1951: my $format = $helper->{VARS}->{$self->{'formatvar'}};
1952: if (substr($format, 2, 1) ne '1') {
1953: $helper->changeState($self->{NEXTSTATE});
1954: }
1955:
1956: return 1;
1957: }
1958:
1959: sub postprocess {
1960: my $self = shift;
1961:
1962: my $var = $self->{'variable'};
1963: my $helper = Apache::lonhelper->getHelper();
1964: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
1965: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
1966: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
1967: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
1968: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
1969: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
1970:
1971: my $error = '';
1972:
1973: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
1974: # by an optional period, followed by digits, ending the string
1975:
1976: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1977: $error .= "Invalid width; please type only a number.<br />\n";
1978: }
1979: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1980: $error .= "Invalid height; please type only a number.<br />\n";
1981: }
1982: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1983: $error .= "Invalid left margin; please type only a number.<br />\n";
1984: }
1985:
1986: if (!$error) {
1987: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
1988: return 1;
1989: } else {
1990: $self->{ERROR_MSG} = $error;
1991: return 0;
1992: }
1993: }
1994:
1995:
1996:
1997: __END__
1998:
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