1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.326 2004/08/18 18:56:46 sakharuk Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
29: package Apache::lonprintout;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::lonxml;
34: use Apache::lonnet;
35: use Apache::loncommon;
36: use Apache::inputtags;
37: use Apache::grades;
38: use Apache::edit;
39: use Apache::File();
40: use Apache::lonnavmaps;
41: use Apache::lonratedt;
42: use POSIX qw(strftime);
43: use Apache::lonlocal;
44: use GDBM_File;
45:
46:
47: my %hash;
48: my $LaTeXwidth = 0;
49:
50:
51: sub latex_header_footer_remove {
52: my $text = shift;
53: $text =~ s/\\end{document}//;
54: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
55: return $text;
56: }
57:
58:
59: sub character_chart {
60: my $result = shift;
61: $result =~ s/&\#0?0?(7|9);//g;
62: $result =~ s/&\#0?(10|13);//g;
63: $result =~ s/&\#0?32;/ /g;
64: $result =~ s/&\#0?33;/!/g;
65: $result =~ s/&(\#0?34|quot);/\"/g;
66: $result =~ s/&\#0?35;/\\\#/g;
67: $result =~ s/&\#0?36;/\\\$/g;
68: $result =~ s/&\#0?37;/\\%/g;
69: $result =~ s/&(\#0?38|amp);/\\&/g;
70: $result =~ s/&\#(0?39|146);/\'/g;
71: $result =~ s/&\#0?40;/(/g;
72: $result =~ s/&\#0?41;/)/g;
73: $result =~ s/&\#0?42;/\*/g;
74: $result =~ s/&\#0?43;/\+/g;
75: $result =~ s/&\#(0?44|130);/,/g;
76: $result =~ s/&\#0?45;/-/g;
77: $result =~ s/&\#0?46;/\./g;
78: $result =~ s/&\#0?47;/\//g;
79: $result =~ s/&\#0?48;/0/g;
80: $result =~ s/&\#0?49;/1/g;
81: $result =~ s/&\#0?50;/2/g;
82: $result =~ s/&\#0?51;/3/g;
83: $result =~ s/&\#0?52;/4/g;
84: $result =~ s/&\#0?53;/5/g;
85: $result =~ s/&\#0?54;/6/g;
86: $result =~ s/&\#0?55;/7/g;
87: $result =~ s/&\#0?56;/8/g;
88: $result =~ s/&\#0?57;/9/g;
89: $result =~ s/&\#0?58;/:/g;
90: $result =~ s/&\#0?59;/;/g;
91: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
92: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
93: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
94: $result =~ s/&\#0?63;/\?/g;
95: $result =~ s/&\#0?65;/A/g;
96: $result =~ s/&\#0?66;/B/g;
97: $result =~ s/&\#0?67;/C/g;
98: $result =~ s/&\#0?68;/D/g;
99: $result =~ s/&\#0?69;/E/g;
100: $result =~ s/&\#0?70;/F/g;
101: $result =~ s/&\#0?71;/G/g;
102: $result =~ s/&\#0?72;/H/g;
103: $result =~ s/&\#0?73;/I/g;
104: $result =~ s/&\#0?74;/J/g;
105: $result =~ s/&\#0?75;/K/g;
106: $result =~ s/&\#0?76;/L/g;
107: $result =~ s/&\#0?77;/M/g;
108: $result =~ s/&\#0?78;/N/g;
109: $result =~ s/&\#0?79;/O/g;
110: $result =~ s/&\#0?80;/P/g;
111: $result =~ s/&\#0?81;/Q/g;
112: $result =~ s/&\#0?82;/R/g;
113: $result =~ s/&\#0?83;/S/g;
114: $result =~ s/&\#0?84;/T/g;
115: $result =~ s/&\#0?85;/U/g;
116: $result =~ s/&\#0?86;/V/g;
117: $result =~ s/&\#0?87;/W/g;
118: $result =~ s/&\#0?88;/X/g;
119: $result =~ s/&\#0?89;/Y/g;
120: $result =~ s/&\#0?90;/Z/g;
121: $result =~ s/&\#0?91;/[/g;
122: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
123: $result =~ s/&\#0?93;/]/g;
124: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
125: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
126: $result =~ s/&\#(0?96|145);/\`/g;
127: $result =~ s/&\#0?97;/a/g;
128: $result =~ s/&\#0?98;/b/g;
129: $result =~ s/&\#0?99;/c/g;
130: $result =~ s/&\#100;/d/g;
131: $result =~ s/&\#101;/e/g;
132: $result =~ s/&\#102;/f/g;
133: $result =~ s/&\#103;/g/g;
134: $result =~ s/&\#104;/h/g;
135: $result =~ s/&\#105;/i/g;
136: $result =~ s/&\#106;/j/g;
137: $result =~ s/&\#107;/k/g;
138: $result =~ s/&\#108;/l/g;
139: $result =~ s/&\#109;/m/g;
140: $result =~ s/&\#110;/n/g;
141: $result =~ s/&\#111;/o/g;
142: $result =~ s/&\#112;/p/g;
143: $result =~ s/&\#113;/q/g;
144: $result =~ s/&\#114;/r/g;
145: $result =~ s/&\#115;/s/g;
146: $result =~ s/&\#116;/t/g;
147: $result =~ s/&\#117;/u/g;
148: $result =~ s/&\#118;/v/g;
149: $result =~ s/&\#119;/w/g;
150: $result =~ s/&\#120;/x/g;
151: $result =~ s/&\#121;/y/g;
152: $result =~ s/&\#122;/z/g;
153: $result =~ s/&\#123;/\\{/g;
154: $result =~ s/&\#124;/\|/g;
155: $result =~ s/&\#125;/\\}/g;
156: $result =~ s/&\#126;/\~/g;
157: $result =~ s/&\#131;/\\textflorin /g;
158: $result =~ s/&\#132;/\"/g;
159: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
160: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
161: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
162: $result =~ s/&\#137;/\\textperthousand /g;
163: $result =~ s/&\#140;/{\\OE}/g;
164: $result =~ s/&\#147;/\`\`/g;
165: $result =~ s/&\#148;/\'\'/g;
166: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
167: $result =~ s/&\#150;/--/g;
168: $result =~ s/&\#151;/---/g;
169: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
170: $result =~ s/&\#153;/\\texttrademark /g;
171: $result =~ s/&\#156;/\\oe/g;
172: $result =~ s/&\#159;/\\\"Y/g;
173: $result =~ s/&(\#160|nbsp);/~/g;
174: $result =~ s/&(\#161|iexcl);/!\`/g;
175: $result =~ s/&(\#162|cent);/\\textcent /g;
176: $result =~ s/&(\#163|pound);/\\pounds /g;
177: $result =~ s/&(\#164|curren);/\\textcurrency /g;
178: $result =~ s/&(\#165|yen);/\\textyen /g;
179: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
180: $result =~ s/&(\#167|sect);/\\textsection /g;
181: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
182: $result =~ s/&(\#169|copy);/\\copyright /g;
183: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
184: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
185: $result =~ s/&(\#173|shy);/ - /g;
186: $result =~ s/&(\#174|reg);/\\textregistered /g;
187: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
188: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
189: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
190: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
191: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
192: $result =~ s/&(\#180|acute);/\\textacute /g;
193: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
194: $result =~ s/&(\#182|para);/\\P/g;
195: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
196: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
197: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
198: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
199: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
200: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
201: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
202: $result =~ s/&(\#191|iquest);/?\`/g;
203: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
204: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
205: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
206: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
207: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
208: $result =~ s/&(\#197|Aring);/{\\AA}/g;
209: $result =~ s/&(\#198|AElig);/{\\AE}/g;
210: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
211: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
212: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
213: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
214: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
215: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
216: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
217: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
218: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
219: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
220: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
221: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
222: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
223: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
224: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
225: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
226: $result =~ s/&(\#216|Oslash);/{\\O}/g;
227: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
228: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
229: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
230: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
231: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
232: $result =~ s/&(\#223|szlig);/\\ss/g;
233: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
234: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
235: $result =~ s/&(\#226|acirc);/\\^{a}/g;
236: $result =~ s/&(\#227|atilde);/\\~{a}/g;
237: $result =~ s/&(\#228|auml);/\\\"{a}/g;
238: $result =~ s/&(\#229|aring);/{\\aa}/g;
239: $result =~ s/&(\#230|aelig);/{\\ae}/g;
240: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
241: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
242: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
243: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
244: $result =~ s/&(\#235|euml);/\\\"{e}/g;
245: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
246: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
247: $result =~ s/&(\#238|icirc);/\\^{i}/g;
248: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
249: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
250: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
251: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
252: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
253: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
254: $result =~ s/&(\#245|otilde);/\\~{o}/g;
255: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
256: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
257: $result =~ s/&(\#248|oslash);/{\\o}/g;
258: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
259: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
260: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
261: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
262: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
263: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
264: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
265: #Greek Alphabet
266: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
267: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
268: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
269: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
270: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
271: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
272: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
273: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
274: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
275: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
276: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
277: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
278: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
279: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
280: $result =~ s/&(omicron|\#959);/o/g;
281: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
282: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
283: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
284: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
285: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
286: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
287: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
288: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
289: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
290: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
291: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
292: $result =~ s/&(Alpha|\#913);/A/g;
293: $result =~ s/&(Beta|\#914);/B/g;
294: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
295: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
296: $result =~ s/&(Epsilon|\#917);/E/g;
297: $result =~ s/&(Zeta|\#918);/Z/g;
298: $result =~ s/&(Eta|\#919);/H/g;
299: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
300: $result =~ s/&(Iota|\#921);/I/g;
301: $result =~ s/&(Kappa|\#922);/K/g;
302: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
303: $result =~ s/&(Mu|\#924);/M/g;
304: $result =~ s/&(Nu|\#925);/N/g;
305: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
306: $result =~ s/&(Omicron|\#927);/O/g;
307: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
308: $result =~ s/&(Rho|\#929);/P/g;
309: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
310: $result =~ s/&(Tau|\#932);/T/g;
311: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
312: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
313: $result =~ s/&(Chi|\#935);/X/g;
314: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
315: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
316: #Arrows (extended HTML 4.01)
317: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
318: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
319: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
320: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
321: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
322: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
323: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
324: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
325: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
326: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
327: #Mathematical Operators (extended HTML 4.01)
328: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
329: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
330: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
331: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
332: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
333: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
334: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
335: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
336: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
337: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
338: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
339: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
340: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
341: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
342: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
343: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
344: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
345: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
346: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
347: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
348: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
349: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
350: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
351: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
352: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
353: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
354: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
355: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
356: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
357: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
358: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
359: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
360: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
361: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
362: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
363: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
364: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
365: #Geometric Shapes (extended HTML 4.01)
366: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
367: #Miscellaneous Symbols (extended HTML 4.01)
368: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
369: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
370: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
371: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
372: return $result;
373: }
374:
375:
376: sub page_format {
377: #
378: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
379: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
380: # "A2 [420x594 mm]", "A3 [297x420 mm]",
381: # "A4 [210x297 mm]", "A5 [148x210 mm]",
382: # "A6 [105x148 mm]"
383: #
384: my ($papersize,$layout,$numberofcolumns) = @_;
385: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = (0,0,0,0,0);
386: my $page_formats={'book'=>{
387: '1'=>{'letter'=>{'width'=>'7.1 in','height'=>'10.2 in','topmargin'=>'0 in',
388: 'oddsidemargin'=>'-0.57 in','evensidemargin'=>'-0.57 in',
389: },
390: 'legal'=>{'width'=>'7.1 in','height'=>'13 in','topmargin'=>'-0.5 in',
391: 'oddsidemargin'=>'-0.57 in','evensidemargin'=>'-0.57 in',
392: },
393: 'tabloid'=>{'width'=>'9.8 in','height'=>'16 in','topmargin'=>'-0.5 in',
394: 'oddsidemargin'=>'-0.57 in','evensidemargin'=>'-0.57 in',
395: },
396: 'exacutive'=>{'width'=>'6.8 in','height'=>'9 in','topmargin'=>'1.2 in',
397: 'oddsidemargin'=>'-0.57 in','evensidemargin'=>'-0.57 in',
398: },
399: 'a2'=>{
400:
401: },
402: 'a3'=>{
403:
404: },
405: 'a4'=>{'width'=>'176 mm','height'=>'272 mm','topmargin'=>'-0.5 in',
406: 'oddsidemargin'=>'-40 pt in','evensidemargin'=>'-60 pt',
407:
408: },
409: 'a5'=>{
410:
411: },
412: 'a6'=>{
413:
414: },
415: },
416: '2'=>{'letter'=>{'width'=>'3.66 in','height'=>'10.2 in','topmargin'=>'0 in',
417: 'oddsidemargin'=>'-0.57 in','evensidemargin'=>'-0.57 in',
418: },
419: 'legal'=>{'width'=>'3.16 in','height'=>'13 in','topmargin'=>'-0.5 in',
420: 'oddsidemargin'=>'-0.57 in','evensidemargin'=>'-0.57 in',
421: },
422: 'tabloid'=>{'width'=>'4.9 in','height'=>'16 in','topmargin'=>'-0.5 in',
423: 'oddsidemargin'=>'-0.57 in','evensidemargin'=>'-0.57 in',
424:
425: },
426: 'exacutive'=>{'width'=>'3.1 in','height'=>'9 in','topmargin'=>'1.2 in',
427: 'oddsidemargin'=>'-0.57 in','evensidemargin'=>'-0.57 in',
428: },
429: 'a2'=>{
430:
431: },
432: 'a3'=>{
433:
434: },
435: 'a4'=>{'width'=>'91 mm','height'=>'272 mm','topmargin'=>'-0.5 in',
436: 'oddsidemargin'=>'-40 pt in','evensidemargin'=>'-60 pt',
437:
438: },
439: 'a5'=>{
440:
441: },
442: 'a6'=>{
443:
444: },
445:
446: },
447: },'album'=>{
448: '1'=>{'letter'=>{'width'=>'8.8 in','height'=>'6.8 in','topmargin'=>'0 in',
449: 'oddsidemargin'=>'-40 pt in','evensidemargin'=>'-60 pt',
450: },
451: 'legal'=>{
452:
453: },
454: 'tabloid'=>{
455:
456: },
457: 'exacutive'=>{
458:
459: },
460: 'a2'=>{
461:
462: },
463: 'a3'=>{
464:
465: },
466: 'a4'=>{'width'=>'8.5 in','height'=>'7.7 in','topmargin'=>'0 in',
467: 'oddsidemargin'=>'-40 pt in','evensidemargin'=>'-60 pt',
468:
469: },
470: 'a5'=>{
471:
472: },
473: 'a6'=>{
474:
475: },
476: },
477: '2'=>{'letter'=>{'width'=>'4.4 in','height'=>'6.8 in','topmargin'=>'3.5 in',
478: 'oddsidemargin'=>'-0.5 in','evensidemargin'=>'-1.5 in',
479: },
480: 'legal'=>{
481:
482: },
483: 'tabloid'=>{
484:
485: },
486: 'exacutive'=>{
487:
488: },
489: 'a2'=>{
490:
491: },
492: 'a3'=>{
493:
494: },
495: 'a4'=>{'width'=>'3.9 in','height'=>'7.7 in','topmargin'=>'0 in',
496: 'oddsidemargin'=>'-40 pt in','evensidemargin'=>'-60 pt',
497:
498: },
499: 'a5'=>{
500:
501: },
502: 'a6'=>{
503:
504: },
505:
506: },
507: },
508: };
509: return $page_formats->{$layout}->{$numberofcolumns}->{$papersize}->{'width'},
510: $page_formats->{$layout}->{$numberofcolumns}->{$papersize}->{'height'},
511: $page_formats->{$layout}->{$numberofcolumns}->{$papersize}->{'oddmargin'},
512: $page_formats->{$layout}->{$numberofcolumns}->{$papersize}->{'evensidemargin'},
513: $page_formats->{$layout}->{$numberofcolumns}->{$papersize}->{'topmargin'};
514: }
515:
516:
517: sub get_name {
518: my ($uname,$udom)=@_;
519: if (!defined($uname)) { $uname=$ENV{'user.name'}; }
520: if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
521: my $plainname=&Apache::loncommon::plainname($uname,$udom);
522: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
523: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
524: return $plainname;
525: }
526:
527: sub get_course {
528: my $courseidinfo;
529: if (defined($ENV{'request.course.id'})) {
530: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
531: }
532: return $courseidinfo;
533: }
534:
535: sub page_format_transformation {
536: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
537: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
538: if ($selectionmade eq '4') {
539: $assignment='Problems from the Whole Course';
540: } else {
541: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
542: }
543: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
544: my $name = &get_name();
545: my $courseidinfo = &get_course();
546: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
547: my $topmargintoinsert = '';
548: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
549: my $fancypagestatement='';
550: if ($numberofcolumns eq '2') {
551: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
552: } else {
553: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
554: }
555: if ($layout eq 'album') {
556: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1} /;
557: } elsif ($layout eq 'book') {
558: if ($choice ne 'All class print') {
559: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/;
560: } else {
561: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /;
562: }
563: if ($papersize eq 'a4') {
564: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
565: }
566: }
567: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
568: if ($indexlist eq 'yes') {
569: $text=~s/(\\begin{document})/\\makeindex $1/;
570: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
571: }
572: return $text;
573: }
574:
575:
576: sub page_cleanup {
577: my $result = shift;
578:
579: $result =~ m/\\end{document}(\d*)$/;
580: my $number_of_columns = $1;
581: my $insert = '{';
582: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
583: $insert .= '}';
584: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
585: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
586: return $result,$number_of_columns;
587: }
588:
589:
590: sub details_for_menu {
591:
592: my $name_of_resourse = &Apache::lonnet::gettitle($ENV{'form.postdata'});
593: my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
594: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
595: $map=&Apache::lonnet::clutter($map);
596: my $name_of_sequence = &Apache::lonnet::gettitle($map);
597: if ($name_of_sequence =~ /^\s*$/) {
598: $map =~ m|([^/]+)$|;
599: $name_of_sequence = $1;
600: }
601: my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'});
602: if ($name_of_map =~ /^\s*$/) {
603: $ENV{'request.course.uri'} =~ m|([^/]+)$|;
604: $name_of_map = $1;
605: }
606: return ($name_of_resourse,$name_of_sequence,$name_of_map);
607:
608: }
609:
610:
611: sub latex_corrections {
612:
613: my ($number_of_columns,$result,$selectionmade) = @_;
614:
615: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
616: $result =~ s/\$number_of_columns/$number_of_columns/g;
617: if ($selectionmade ne '1') {
618: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/;
619: } else {
620: $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/;
621: }
622: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
623: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
624: #-- LaTeX corrections
625: my $first_comment = index($result,'<!--',0);
626: while ($first_comment != -1) {
627: my $end_comment = index($result,'-->',$first_comment);
628: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
629: $first_comment = index($result,'<!--',$first_comment);
630: }
631: $result =~ s/^\s+$//gm; #remove empty lines
632: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
633: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
634: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
635: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
636: $result =~ s/\\\\\s+\[/ \[/g;
637: #conversion of html characters to LaTeX equivalents
638: if ($result =~ m/&(\w+|#\d+);/) {
639: $result = &character_chart($result);
640: }
641: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
642: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
643:
644: return $result;
645: }
646:
647:
648: sub index_table {
649: my $currentURL = shift;
650: my $insex_string='';
651: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
652: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
653: return $insex_string;
654: }
655:
656:
657: sub IndexCreation {
658: my ($texversion,$currentURL)=@_;
659: my @key_words=split(/,/,&index_table($currentURL));
660: my $chunk='';
661: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
662: if ($st>0) {
663: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
664: $chunk=substr($texversion,0,$st+1);
665: substr($texversion,0,$st+1)=' ';
666: }
667: foreach my $key_word (@key_words) {
668: if ($key_word=~/\S+/) {
669: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
670: }
671: }
672: if ($st>0) {substr($texversion,0,1)=$chunk;}
673: return $texversion;
674: }
675:
676: sub print_latex_header {
677: my $mode=shift;
678: my $output='\documentclass[letterpaper]{article}';
679: if ($mode eq 'batchmode') {
680: $output.='\batchmode';
681: }
682: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'.
683: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
684: '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
685: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
686: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
687: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
688: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
689: '\setlength{\abovedisplayshortskip}{-0.04in}'.
690: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
691: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
692: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
693: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
694: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
695: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
696: '\setlength{\abovedisplayshortskip}{-0.04in}'.
697: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
698: return $output;
699: }
700:
701: sub path_to_problem {
702: my ($urlp,$LaTeXwidth)=@_;
703: my $newurlp = '';
704: $LaTeXwidth=~s/\s*mm\s*$//;
705: my $HowMany = length($urlp)*2;
706: if ($HowMany > $LaTeXwidth) {
707: my @temporrary = split '/',$urlp;
708: my $HowManyNew = 0;
709: for (my $ii=0;$ii<=$#temporrary;$ii++) {
710: if ($temporrary[$ii] ne '') {
711: $HowManyNew += length($temporrary[$ii])*2;
712: if ($HowManyNew < $LaTeXwidth ) {
713: $newurlp .= '/'.$temporrary[$ii];
714: } else {
715: $HowManyNew = 0;
716: $newurlp .= '|\vskip -1 mm \noindent \verb|';
717: $ii--;
718: }
719: }
720: }
721: } else {
722: $newurlp=$urlp;
723: }
724: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
725: }
726:
727: sub recalcto_mm {
728: my $textwidth=shift;
729: my $LaTeXwidth;
730: if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
731: $LaTeXwidth = $1*10;
732: } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
733: $LaTeXwidth = $1;
734: } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
735: $LaTeXwidth = $1*25.4;
736: }
737: $LaTeXwidth.=' mm';
738: return $LaTeXwidth;
739: }
740:
741: sub get_textwidth {
742: my ($helper,$LaTeXwidth)=@_;
743: my $textwidth=$LaTeXwidth;
744: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
745: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
746: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
747: $helper->{'VARS'}->{'pagesize.widthunit'});
748: }
749: return $textwidth;
750: }
751:
752:
753: sub unsupported {
754: my ($currentURL,$mode)=@_;
755: if ($mode ne '') {$mode='\\'.$mode}
756: my $result.= &print_latex_header($mode);
757: if ($currentURL=~/\/ext\//) {
758: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
759: } else {
760: $result.=$currentURL;
761: }
762: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
763: return $result;
764: }
765:
766:
767: sub output_data {
768: my ($r,$helper,$rparmhash) = @_;
769: my %parmhash = %$rparmhash;
770: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
771: $r->print(<<ENDPART);
772: <html>
773: <script type="text/javascript" language="Javascript" >
774: var editbrowser;
775: function openbrowser(formname,elementname,only,omit) {
776: var url = '/res/?';
777: if (editbrowser == null) {
778: url += 'launch=1&';
779: }
780: url += 'catalogmode=interactive&';
781: url += 'mode=parmset&';
782: url += 'form=' + formname + '&';
783: if (only != null) {
784: url += 'only=' + only + '&';
785: }
786: if (omit != null) {
787: url += 'omit=' + omit + '&';
788: }
789: url += 'element=' + elementname + '';
790: var title = 'Browser';
791: var options = 'scrollbars=1,resizable=1,menubar=0';
792: options += ',width=700,height=600';
793: editbrowser = open(url,title,options,'1');
794: editbrowser.focus();
795: }
796: </script>
797: <head>
798: <title>LON-CAPA output for printing</title>
799: </head>
800: $bodytag
801: Please stand by while processing your print request, this may take some time ...
802: ENDPART
803:
804: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
805: my ($result,$selectionmade) = ('','');
806: my $number_of_columns = 1; #used only for pages to determine the width of the cell
807: my @temporary_array=split /\|/,$format_from_helper;
808: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
809: if ($laystyle eq 'L') {
810: $laystyle='album';
811: } else {
812: $laystyle='book';
813: }
814: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
815: my $assignment = $ENV{'form.assignment'};
816: my $LaTeXwidth=&recalcto_mm($textwidth);
817: my @print_array=();
818: my @student_names=();
819:
820: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
821: #-- single document - problem, page, html, xml, ...
822: my $currentURL;
823: if ($helper->{'VARS'}->{'construction'} ne '1') {
824: #prints published resource
825: $currentURL=$helper->{'VARS'}->{'postdata'};
826: } else {
827: #prints resource from the construction space
828: $currentURL='/'.$helper->{'VARS'}->{'filename'};
829: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
830: }
831: $selectionmade = 1;
832: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
833: my $rndseed=time;
834: my $texversion='';
835: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
836: my %moreenv;
837: $moreenv{'request.filename'}=$currentURL;
838: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
839: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
840: my $dom = $ENV{'user.domain'};
841: my $user = $ENV{'user.name'};
842: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
843: }
844: my %form;
845: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
846: $form{'grade_target'}='tex';
847: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
848: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
849: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
850: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
851: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
852: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
853: if ($helper->{'VARS'}->{'curseed'}) {
854: $rndseed=$helper->{'VARS'}->{'curseed'};
855: }
856: $form{'rndseed'}=$rndseed;
857: &Apache::lonnet::appenv(%moreenv);
858: &Apache::lonnet::delenv('form.counter');
859: &Apache::lonxml::init_counter();
860: $texversion.=&Apache::lonnet::ssi($currentURL,%form);
861: &Apache::lonnet::delenv('form.counter');
862: &Apache::lonnet::delenv('request.filename');
863: }
864: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
865: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
866: my %form;
867: $form{'grade_target'}='answer';
868: $form{'answer_output_mode'}='tex';
869: $form{'rndseed'}=$rndseed;
870: my $answer=&Apache::lonnet::ssi($currentURL,%form);
871: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
872: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
873: } else {
874: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
875: if ($helper->{'VARS'}->{'construction'} ne '1') {
876: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
877: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
878: } else {
879: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
880: my $URLpath=$currentURL;
881: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
882: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
883: }
884: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
885: }
886: }
887: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
888: $texversion=&IndexCreation($texversion,$currentURL);
889: }
890: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
891: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
892:
893: }
894: $result .= $texversion;
895: if ($currentURL=~m/\.page\s*$/) {
896: ($result,$number_of_columns) = &page_cleanup($result);
897: }
898: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
899: #printing content of sequence from the construction space
900: my $flag_latex_header_remove = 'NO';
901: my $rndseed=time;
902: if ($helper->{'VARS'}->{'curseed'}) {
903: $rndseed=$helper->{'VARS'}->{'curseed'};
904: }
905: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
906: my $errtext=&Apache::lonratedt::mapread($currentURL);
907: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
908: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
909: my $urlp=$2;
910: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
911: my $texversion='';
912: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
913: my %form;
914: $form{'grade_target'}='tex';
915: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
916: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
917: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
918: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
919: $form{'rndseed'}=$rndseed;
920: $texversion=&Apache::lonnet::ssi($urlp,%form);
921: }
922: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
923: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
924: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
925: my %form;
926: $form{'grade_target'}='answer';
927: $form{'answer_output_mode'}='tex';
928: $form{'rndseed'}=$rndseed;
929: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
930: my $answer=&Apache::lonnet::ssi($urlp,%form);
931: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
932: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
933: } else {
934: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
935: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
936: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
937: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
938: }
939: }
940: if ($flag_latex_header_remove ne 'NO') {
941: $texversion = &latex_header_footer_remove($texversion);
942: } else {
943: $texversion =~ s/\\end{document}//;
944: }
945: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
946: $texversion=&IndexCreation($texversion,$urlp);
947: }
948: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
949: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
950: }
951: $result.=$texversion;
952: $flag_latex_header_remove = 'YES';
953: } elsif ($urlp=~/\.(sequence|page)$/) {
954: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
955: }
956: }
957: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
958: $result .= '\end{document}';
959: } elsif ($currentURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
960: my %form;
961: $form{'grade_target'}='tex';
962: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
963: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
964: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
965: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
966: $result .= $texversion;
967: } else {
968: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
969: }
970: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
971: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
972: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
973: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
974: #-- produce an output string
975: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
976: $selectionmade = 2;
977: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
978: $selectionmade = 3;
979: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
980: $selectionmade = 4;
981: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
982: $selectionmade = 7;
983: }
984: my %form=();
985: $form{'grade_target'}='tex';
986: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
987: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
988: $form{'suppress_tries'}=$parmhash{'suppress_tries'};
989: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
990: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
991: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
992: my $flag_latex_header_remove = 'NO';
993: my $flag_page_in_sequence = 'NO';
994: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
995: my $prevassignment='';
996: &Apache::lonnet::delenv('form.counter');
997: &Apache::lonxml::init_counter();
998: for (my $i=0;$i<=$#master_seq;$i++) {
999: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1000: $urlp=&Apache::lonnet::clutter($urlp);
1001: $form{'symb'}=$master_seq[$i];
1002: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
1003: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1004: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1005: if ($i==0) {$prevassignment=$assignment;}
1006: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
1007: my $texversion='';
1008: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1009: $texversion.=&Apache::lonnet::ssi($urlp,%form);
1010: if ($urlp=~/\.page$/) {
1011: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1012: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1013: $texversion =~ s/\\end{document}\d*/\\end{document}/;
1014: $flag_page_in_sequence = 'YES';
1015: }
1016: my $lonidsdir=$r->dir_config('lonIDsDir');
1017: my $envfile=$ENV{'user.environment'};
1018: $envfile=~/\/([^\/]+)\.id$/;
1019: $envfile=$1;
1020: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1021: my $current_counter=$ENV{'form.counter'};
1022: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1023: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1024: my %form;
1025: $form{'grade_target'}='answer';
1026: $form{'answer_output_mode'}='tex';
1027: my $answer=&Apache::lonnet::ssi($urlp,%form);
1028: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1029: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1030: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1031: } else {
1032: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1033: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1034: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
1035: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1036: $texversion.='\vskip 1 mm '.$answer;
1037: } else {
1038: $texversion='';
1039: }
1040: }
1041: }
1042: if ($flag_latex_header_remove ne 'NO') {
1043: $texversion = &latex_header_footer_remove($texversion);
1044: } else {
1045: $texversion =~ s/\\end{document}//;
1046: }
1047: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1048: $texversion=&IndexCreation($texversion,$urlp);
1049: }
1050: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
1051: my $name = &get_name();
1052: my $courseidinfo = &get_course();
1053: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1054: $prevassignment=$assignment;
1055: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
1056: }
1057: $result .= $texversion;
1058: $flag_latex_header_remove = 'YES';
1059: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1060: my %form;
1061: $form{'grade_target'}='tex';
1062: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1063: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1064: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1065: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1066: if ($flag_latex_header_remove ne 'NO') {
1067: $texversion = &latex_header_footer_remove($texversion);
1068: } else {
1069: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1070: }
1071: $result .= $texversion;
1072: $flag_latex_header_remove = 'YES';
1073: } else {
1074: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1075: if ($flag_latex_header_remove ne 'NO') {
1076: $texversion = &latex_header_footer_remove($texversion);
1077: } else {
1078: $texversion =~ s/\\end{document}//;
1079: }
1080: $result .= $texversion;
1081: $flag_latex_header_remove = 'YES';
1082: }
1083: }
1084: &Apache::lonnet::delenv('form.counter');
1085: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
1086: $result .= '\end{document}';
1087: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1088: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1089: #-- prints assignments for whole class or for selected students
1090: my $type;
1091: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
1092: $selectionmade=5;
1093: $type='problems';
1094: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
1095: $selectionmade=8;
1096: $type='resources';
1097: }
1098: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1099: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
1100: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
1101: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
1102: }
1103: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1104: #loop over students
1105: my $flag_latex_header_remove = 'NO';
1106: my %moreenv;
1107: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1108: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1109: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1110: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1111: my $student_counter=-1;
1112: foreach my $person (@students) {
1113: my $duefile="/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
1114: if (-e $duefile) {
1115: my $temp_file = Apache::File->new('>>'.$duefile);
1116: print $temp_file "1969\n";
1117: }
1118: $student_counter++;
1119: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1120: my ($output,$fullname)=&print_resources($r,$helper,$person,$type,\%moreenv,\@master_seq,$flag_latex_header_remove);
1121: $print_array[$i].=$output;
1122: $student_names[$i].=$person.':'.$fullname.'_END_';
1123: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
1124: $flag_latex_header_remove = 'YES';
1125: }
1126: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1127: $result .= $print_array[0].' \end{document}';
1128: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') ||
1129: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) {
1130: my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1131: my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1132: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
1133: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1134: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1135: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1136: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1137: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1138: if ($number_per_page eq '0' || $number_per_page eq 'all') {
1139: $number_per_page=$num_todo;
1140: }
1141: my $flag_latex_header_remove = 'NO';
1142: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1143: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1144: my $seed=time+($$<<16)+($$);
1145: my @allcodes;
1146: if ($old_name) {
1147: my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
1148: @allcodes=split(',',$result{$old_name});
1149: } else {
1150: my %allcodes;
1151: srand($seed);
1152: for (my $i=0;$i<$num_todo;$i++) {
1153: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
1154: }
1155: if ($code_name) {
1156: &Apache::lonnet::put('CODEs',
1157: {$code_name =>join(',',keys(%allcodes))},
1158: $cdom,$cnum);
1159: }
1160: @allcodes=keys(%allcodes);
1161: }
1162: my $count=0;
1163: foreach my $code (sort(@allcodes)) {
1164: my $file_num=int($count/$number_per_page);
1165: $moreenv{'CODE'}=&num_to_letters($code);
1166: my ($output,$fullname)=
1167: &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1168: \@master_seq,$flag_latex_header_remove);
1169: $print_array[$file_num].=$output;
1170: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1171: &mt('last assignment').' '.$fullname);
1172: $flag_latex_header_remove = 'YES';
1173: $count++;
1174: }
1175: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1176: $result .= $print_array[0].' \end{document}';
1177: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1178: #prints selected problems from the subdirectory
1179: $selectionmade = 6;
1180: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1181: @list_of_files=sort @list_of_files;
1182: my $flag_latex_header_remove = 'NO';
1183: my $rndseed=time;
1184: if ($helper->{'VARS'}->{'curseed'}) {
1185: $rndseed=$helper->{'VARS'}->{'curseed'};
1186: }
1187: for (my $i=0;$i<=$#list_of_files;$i++) {
1188: my $urlp = $list_of_files[$i];
1189: $urlp=~s|//|/|;
1190: if ($urlp=~/\//) {
1191: my %form;
1192: $form{'grade_target'}='tex';
1193: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1194: $form{'rndseed'}=$rndseed;
1195: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1196: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1197: } else {
1198: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1199: }
1200: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1201: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1202: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1203: my %form;
1204: $form{'grade_target'}='answer';
1205: $form{'answer_output_mode'}='tex';
1206: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1207: $form{'rndseed'}=$rndseed;
1208: my $answer=&Apache::lonnet::ssi($urlp,%form);
1209: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1210: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1211: } else {
1212: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1213: if ($helper->{'VARS'}->{'construction'} ne '1') {
1214: $texversion.='\vskip 0 mm \noindent ';
1215: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1216: } else {
1217: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1218: my $URLpath=$urlp;
1219: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1220: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1221: }
1222: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1223: }
1224: }
1225: #this chunck is responsible for printing the path to problem
1226: my $newurlp=$urlp;
1227: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1228: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1229: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1230: if ($flag_latex_header_remove ne 'NO') {
1231: $texversion = &latex_header_footer_remove($texversion);
1232: } else {
1233: $texversion =~ s/\\end{document}//;
1234: }
1235: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1236: $texversion=&IndexCreation($texversion,$urlp);
1237: }
1238: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1239: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1240:
1241: }
1242: $result .= $texversion;
1243: }
1244: $flag_latex_header_remove = 'YES';
1245: }
1246: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1247: $result .= '\end{document}';
1248: }
1249: #-------------------------------------------------------- corrections for the different page formats
1250: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1251: $result = &latex_corrections($number_of_columns,$result,$selectionmade);
1252: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1253: #changes page's parameters for the one column output
1254: if ($numberofcolumns == 1) {
1255: $result =~ s/\\textwidth\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1256: $result =~ s/\\textheight\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1257: $result =~ s/\\evensidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1258: $result =~ s/\\oddsidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1259: }
1260: #-- writing .tex file in prtspool
1261: my $temp_file;
1262: my $identifier = &Apache::loncommon::get_cgi_id();
1263: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
1264: if (!($#print_array>0)) {
1265: unless ($temp_file = Apache::File->new('>'.$filename)) {
1266: $r->log_error("Couldn't open $filename for output $!");
1267: return SERVER_ERROR;
1268: }
1269: print $temp_file $result;
1270: my $begin=index($result,'\begin{document}',0);
1271: my $inc=substr($result,0,$begin+16);
1272: } else {
1273: my $begin=index($result,'\begin{document}',0);
1274: my $inc=substr($result,0,$begin+16);
1275: for (my $i=0;$i<=$#print_array;$i++) {
1276: if ($i==0) {
1277: $print_array[$i]=$result;
1278: } else {
1279: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1280: substr($print_array[$i],0,$anobegin)='';
1281: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1282: }
1283: my $temp_file;
1284: my $newfilename=$filename;
1285: my $num=$i+1;
1286: $newfilename =~s/\.tex$/_$num\.tex/;
1287: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1288: $r->log_error("Couldn't open $newfilename for output $!");
1289: return SERVER_ERROR;
1290: }
1291: print $temp_file $print_array[$i];
1292: }
1293: }
1294: my $student_names='';
1295: if ($#print_array>0) {
1296: for (my $i=0;$i<=$#print_array;$i++) {
1297: $student_names.=$student_names[$i].'_ENDPERSON_';
1298: }
1299: } else {
1300: if ($#student_names>-1) {
1301: $student_names=$student_names[0].'_ENDPERSON_';
1302: } else {
1303: my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
1304: $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
1305: $ENV{'request.course.sec'},$fullname).
1306: '_ENDPERSON_'.'_END_';
1307: }
1308: }
1309:
1310: my $URLback=''; #link to original document
1311: if ($helper->{'VARS'}->{'construction'} ne '1') {
1312: #prints published resource
1313: $URLback=$helper->{'VARS'}->{'postdata'};
1314: } else {
1315: #prints resource from the construction space
1316: $URLback='/'.$helper->{'VARS'}->{'filename'};
1317: if ($URLback=~/([^?]+)/) {
1318: $URLback=$1;
1319: $URLback=~s|^/~|/priv/|;
1320: }
1321: }
1322:
1323: &Apache::lonnet::logthis("SSSSSSS: $filename,$laystyle,$papersize,$numberofcolumns,$selectionmade,$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$ENV{'request.role.adv'},$#print_array,$student_names,$URLback");
1324:
1325:
1326: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1327: 'cgi.'.$identifier.'.layout' => $laystyle,
1328: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1329: 'cgi.'.$identifier.'.paper' => $papersize,
1330: 'cgi.'.$identifier.'.selection' => $selectionmade,
1331: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1332: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1333: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1334: 'cgi.'.$identifier.'numberoffiles' => $#print_array,
1335: 'cgi.'.$identifier.'studentnames' => $student_names,
1336: 'cgi.'.$identifier.'backref' => $URLback,);
1337:
1338: $r->print(<<FINALEND);
1339: <br />
1340: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1341: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1342: </body>
1343: </html>
1344: FINALEND
1345: }
1346:
1347: sub num_to_letters {
1348: my ($num) = @_;
1349: my @nums= split('',$num);
1350: my @num_to_let=('A'..'Z');
1351: my $word;
1352: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
1353: return $word;
1354: }
1355:
1356: sub get_CODE {
1357: my ($all_codes,$num,$seed,$size)=@_;
1358: my $max='1'.'0'x$size;
1359: my $newcode;
1360: while(1) {
1361: $newcode=sprintf("%06d",int(rand($max)));
1362: if (!exists($$all_codes{$newcode})) {
1363: $$all_codes{$newcode}=1;
1364: return &num_to_letters($newcode);
1365: }
1366: }
1367: }
1368:
1369: sub print_resources {
1370: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header)=@_;
1371: my $current_output = '';
1372: my ($username,$userdomain,$usersection) = split /:/,$person;
1373: my $fullname = &get_name($username,$userdomain);
1374: my $namepostfix;
1375: if ($person =~ 'anon') {
1376: $namepostfix="\\\\Name: ";
1377: $fullname = "CODE - ".$moreenv->{'CODE'};
1378: }
1379: #goes through all resources, checks if they are available for
1380: #current student, and produces output
1381: &Apache::lonnet::delenv('form.counter');
1382: &Apache::lonxml::init_counter();
1383: foreach my $curresline (@{$master_seq}) {
1384: if ( !($type eq 'problems' &&
1385: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
1386: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1387: if (&Apache::lonnet::allowed('bre',$res_url)) {
1388: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1389: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1390: my $lonidsdir=$r->dir_config('lonIDsDir');
1391: my $envfile=$ENV{'user.environment'};
1392: $envfile=~/\/([^\/]+)\.id$/;
1393: $envfile=$1;
1394: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1395: my $current_counter=$ENV{'form.counter'};
1396: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1397: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1398: my %form;
1399: $form{'answer_output_mode'}='tex';
1400: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1401: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
1402: &Apache::lonnet::appenv(('form.counter' => $current_counter));
1403: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1404: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1405: } else {
1406: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1407: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1408: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1409: $rendered.='\vskip 1 mm '.$ansrendered;
1410: }
1411: }
1412: if ($remove_latex_header eq 'YES') {
1413: $rendered = &latex_header_footer_remove($rendered);
1414: } else {
1415: $rendered =~ s/\\end{document}//;
1416: }
1417: $current_output .= $rendered;
1418: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1419: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
1420: my $lonidsdir=$r->dir_config('lonIDsDir');
1421: my $envfile=$ENV{'user.environment'};
1422: $envfile=~/\/([^\/]+)\.id$/;
1423: $envfile=$1;
1424: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1425: my $current_counter=$ENV{'form.counter'};
1426: if ($remove_latex_header eq 'YES') {
1427: $rendered = &latex_header_footer_remove($rendered);
1428: } else {
1429: $rendered =~ s/\\end{document}//;
1430: }
1431: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1432: } else {
1433: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1434: if ($remove_latex_header ne 'NO') {
1435: $rendered = &latex_header_footer_remove($rendered);
1436: } else {
1437: $rendered =~ s/\\end{document}//;
1438: }
1439: $current_output .= $rendered;
1440: }
1441: }
1442: $remove_latex_header = 'YES';
1443: }
1444: }
1445: my $courseidinfo = &get_course();
1446: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1447: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1448: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1449: if ($current_output=~/\\documentclass/) {
1450: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}\\vskip 3 mm /;
1451: } else {
1452: my $blankpages = '';
1453: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1454: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}'.$namepostfix.'}} \vskip -5 mm '.$current_output;
1455: }
1456: return ($current_output,$fullname);
1457:
1458: }
1459:
1460: sub handler {
1461:
1462: my $r = shift;
1463: my $helper;
1464:
1465: # my $loaderror=&Apache::lonnet::overloaderror($r);
1466: # if ($loaderror) { return $loaderror; }
1467: # $loaderror=
1468: # &Apache::lonnet::overloaderror($r,
1469: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
1470: # if ($loaderror) { return $loaderror; }
1471:
1472: my $result = printHelper($r);
1473: if (!ref($result)) {
1474: return $result;
1475: }
1476: $helper = $result;
1477:
1478: # my $key;
1479: # foreach $key (keys %{$helper->{'VARS'}}) {
1480: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1481: # }
1482: # foreach $key (keys %ENV) {
1483: # $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
1484: # }
1485: # return OK;
1486:
1487: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1488:
1489: # my $key;
1490: # foreach $key (keys %parmhash) {
1491: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1492: # }
1493: # return OK;
1494:
1495: &output_data($r,$helper,\%parmhash);
1496: return OK;
1497: }
1498:
1499: use Apache::lonhelper;
1500:
1501: sub addMessage {
1502: my $text = shift;
1503: my $paramHash = Apache::lonhelper::getParamHash();
1504: $paramHash->{MESSAGE_TEXT} = $text;
1505: Apache::lonhelper::message->new();
1506: }
1507:
1508: use Data::Dumper;
1509:
1510: sub printHelper {
1511: my $r = shift;
1512:
1513: if ($ENV{'request.course.id'}) {
1514: my $fn=$ENV{'request.course.fn'};
1515: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1516: }
1517:
1518: if ($r->header_only) {
1519: if ($ENV{'browser.mathml'}) {
1520: &Apache::loncommon::content_type($r,'text/xml');
1521: } else {
1522: &Apache::loncommon::content_type($r,'text/html');
1523: }
1524: $r->send_http_header;
1525: return OK;
1526: }
1527:
1528: # Send header, nocache
1529: if ($ENV{'browser.mathml'}) {
1530: &Apache::loncommon::content_type($r,'text/xml');
1531: } else {
1532: &Apache::loncommon::content_type($r,'text/html');
1533: }
1534: &Apache::loncommon::no_cache($r);
1535: $r->send_http_header;
1536: $r->rflush();
1537:
1538: # Unfortunately, this helper is so complicated we have to
1539: # write it by hand
1540:
1541: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1542:
1543: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1544: $helper->declareVar('symb');
1545: $helper->declareVar('postdata');
1546: $helper->declareVar('curseed');
1547: $helper->declareVar('probstatus');
1548: $helper->declareVar('filename');
1549: $helper->declareVar('construction');
1550: $helper->declareVar('assignment');
1551: $helper->declareVar('style_file');
1552:
1553: # This will persistently load in the data we want from the
1554: # very first screen.
1555: # Detect whether we're coming from construction space
1556: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1557: $helper->{VARS}->{'filename'} = "~$1/$2";
1558: $helper->{VARS}->{'construction'} = 1;
1559: } else {
1560: if ($ENV{'form.postdata'}) {
1561: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
1562: }
1563: if ($ENV{'form.symb'}) {
1564: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1565: }
1566: if ($ENV{'form.url'}) {
1567: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1568: }
1569: }
1570:
1571: if ($ENV{'form.symb'}) {
1572: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1573: }
1574: if ($ENV{'form.url'}) {
1575: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1576:
1577: }
1578:
1579: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1580: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1581:
1582:
1583: # Extract map
1584: my $symb = $helper->{VARS}->{'symb'};
1585: my ($map, $id, $url);
1586: my $subdir;
1587:
1588: # Get the resource name from construction space
1589: if ($helper->{VARS}->{'construction'}) {
1590: $resourceTitle = substr($helper->{VARS}->{'filename'},
1591: rindex($helper->{VARS}->{'filename'}, '/')+1);
1592: $subdir = substr($helper->{VARS}->{'filename'},
1593: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1594: } else {
1595: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1596: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1597:
1598: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1599: my $postdata = $helper->{VARS}->{'postdata'};
1600: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1601: }
1602: $subdir = &Apache::lonnet::filelocation("", $url);
1603: }
1604: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
1605: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
1606: }
1607: if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) {
1608: $helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'};
1609: }
1610:
1611: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1612: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
1613: $ENV{'request.role'}=~m/^in\./ or
1614: $ENV{'request.role'}=~m/^ta\./);
1615:
1616: Apache::lonhelper::registerHelperTags();
1617:
1618: # "Delete everything after the last slash."
1619: $subdir =~ s|/[^/]+$||;
1620: if (not $helper->{VARS}->{'construction'}) {
1621: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1622: }
1623: # "Remove all duplicate slashes."
1624: $subdir =~ s|/+|/|g;
1625:
1626: # What can be printed is a very dynamic decision based on
1627: # lots of factors. So we need to dynamically build this list.
1628: # To prevent security leaks, states are only added to the wizard
1629: # if they can be reached, which ensures manipulating the form input
1630: # won't allow anyone to reach states they shouldn't have permission
1631: # to reach.
1632:
1633: # printChoices is tracking the kind of printing the user can
1634: # do, and will be used in a choices construction later.
1635: # In the meantime we will be adding states and elements to
1636: # the helper by hand.
1637: my $printChoices = [];
1638: my $paramHash;
1639:
1640: if ($resourceTitle) {
1641: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1642: }
1643:
1644: # Useful filter strings
1645: my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1646: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1647: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
1648: my $isNotMap = '!$res->is_sequence()';
1649: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1650: my $isMap = '$res->is_map()';
1651: my $symbFilter = '$res->symb()';
1652: my $urlValue = '$res->src()';
1653:
1654: $helper->declareVar('SEQUENCE');
1655:
1656: # Useful for debugging: Dump the help vars
1657: #$r->print(Dumper($helper->{VARS}));
1658: #$r->print($map);
1659:
1660: # If we're in a sequence...
1661: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1662: $helper->{VARS}->{'postdata'} &&
1663: $helper->{VARS}->{'assignment'}) {
1664: # Allow problems from sequence
1665: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1666: # Allow all resources from sequence
1667: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1668:
1669: my $helperFragment = <<HELPERFRAGMENT;
1670: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1671: <message>(mark them then click "next" button) <br /></message>
1672: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1673: closeallpages="1">
1674: <nextstate>PAGESIZE</nextstate>
1675: <filterfunc>return $isProblem;</filterfunc>
1676: <mapurl>$map</mapurl>
1677: <valuefunc>return $symbFilter;</valuefunc>
1678: </resource>
1679: </state>
1680:
1681: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1682: <message>(mark them then click "next" button) <br /></message>
1683: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1684: closeallpages="1">
1685: <nextstate>PAGESIZE</nextstate>
1686: <filterfunc>return $isNotMap;</filterfunc>
1687: <mapurl>$map</mapurl>
1688: <valuefunc>return $symbFilter;</valuefunc>
1689: </resource>
1690: </state>
1691: HELPERFRAGMENT
1692:
1693: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1694: }
1695:
1696: # If the user is priviledged, allow them to print all
1697: # problems in the course, optionally for selected students
1698: if ($userPriviledged &&
1699: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
1700: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1701: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1702: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1703: <message>(mark them then click "next" button) <br /></message>
1704: <resource variable="RESOURCES" toponly='0' multichoice="1"
1705: suppressEmptySequences='0' addstatus="1" closeallpages="1">
1706: <nextstate>PAGESIZE</nextstate>
1707: <filterfunc>return $isProblemOrMap;</filterfunc>
1708: <choicefunc>return $isNotMap;</choicefunc>
1709: <valuefunc>return $symbFilter;</valuefunc>
1710: </resource>
1711: </state>
1712: ALL_PROBLEMS
1713:
1714: if ($helper->{VARS}->{'assignment'}) {
1715: 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'];
1716: 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'];
1717: }
1718: my $resource_selector=<<RESOURCE_SELECTOR;
1719: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1720: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1721: closeallpages="1">
1722: <filterfunc>return $isProblem;</filterfunc>
1723: <mapurl>$map</mapurl>
1724: <valuefunc>return $symbFilter;</valuefunc>
1725: </resource>
1726: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1727: <choices variable="EMPTY_PAGES">
1728: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1729: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1730: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1731: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1732: </choices>
1733: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1734: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1735: RESOURCE_SELECTOR
1736:
1737: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1738: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1739: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1740: $resource_selector
1741: </state>
1742: CHOOSE_STUDENTS
1743:
1744: my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1745: my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1746: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
1747: my $namechoice='<choice></choice>';
1748: foreach my $name (@names) {
1749: if ($name =~ /^error: 2 /) { next; }
1750: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
1751: }
1752: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
1753: <state name="CHOOSE_ANON1" title="Select Students and Resources">
1754: <nextstate>PAGESIZE</nextstate>
1755: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1756: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1757: <message><br /><b>Names to store the CODEs under for later:</b></message>
1758: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1759: <message><hr width='33%' /></message>
1760: <message><b>Reprint a set of saved CODEs:</b></message>
1761: <dropdown variable="REUSE_OLD_CODES">
1762: $namechoice
1763: </dropdown>
1764: <message><hr width='33%' /></message>
1765: $resource_selector
1766: </state>
1767: CHOOSE_ANON1
1768:
1769:
1770: if ($helper->{VARS}->{'assignment'}) {
1771: 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'];
1772: 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'];
1773: }
1774:
1775:
1776: $resource_selector=<<RESOURCE_SELECTOR;
1777: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1778: <resource variable="RESOURCES" multichoice="1" addstatus="1"
1779: closeallpages="1">
1780: <filterfunc>return $isNotMap;</filterfunc>
1781: <mapurl>$map</mapurl>
1782: <valuefunc>return $symbFilter;</valuefunc>
1783: </resource>
1784: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1785: <choices variable="EMPTY_PAGES">
1786: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1787: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1788: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1789: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1790: </choices>
1791: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
1792: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1793: RESOURCE_SELECTOR
1794:
1795: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
1796: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1797: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1798: $resource_selector
1799: </state>
1800: CHOOSE_STUDENTS1
1801:
1802: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1803: <state name="CHOOSE_ANON2" title="Select Students and Resources">
1804: <nextstate>PAGESIZE</nextstate>
1805: <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1806: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1807: <message><br /><b>Names to store the CODEs under for later:</b></message>
1808: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1809: <message><hr width='33%' /></message>
1810: <message><b>Reprint a set of saved CODEs:</b></message>
1811: <dropdown variable="REUSE_OLD_CODES">
1812: $namechoice
1813: </dropdown>
1814: <message><hr width='33%' /></message>
1815: $resource_selector
1816: </state>
1817: CHOOSE_ANON2
1818: }
1819:
1820: # FIXME: That RE should come from a library somewhere.
1821: if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $ENV{'request.role.adv'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {
1822: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1823:
1824: my $f = '$filename';
1825: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1826: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1827: <message>(mark them then click "next" button) <br /></message>
1828: <files variable="FILES" multichoice='1'>
1829: <nextstate>PAGESIZE</nextstate>
1830: <filechoice>return '$subdir';</filechoice>
1831: CHOOSE_FROM_SUBDIR
1832:
1833: # this is broken up because I really want interpolation above,
1834: # and I really DON'T want it below
1835: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1836: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1837: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1838: </filefilter>
1839: </files>
1840: </state>
1841: CHOOSE_FROM_SUBDIR
1842: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1843: }
1844:
1845: # Allow the user to select any sequence in the course, feed it to
1846: # another resource selector for that sequence
1847: if (!$helper->{VARS}->{'construction'}) {
1848: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1849: 'select_sequences', 'CHOOSE_SEQUENCE'];
1850: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
1851: #Escape apostrophes and backslashes for Perl
1852: $escapedSequenceName =~ s/\\/\\\\/g;
1853: $escapedSequenceName =~ s/'/\\'/g;
1854: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1855: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
1856: <message>Select the sequence to print resources from:</message>
1857: <resource variable="SEQUENCE">
1858: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1859: <filterfunc>return \$res->is_sequence;</filterfunc>
1860: <valuefunc>return $urlValue;</valuefunc>
1861: </resource>
1862: </state>
1863: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
1864: <message>(mark desired resources then click "next" button) <br /></message>
1865: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1866: closeallpages="1">
1867: <nextstate>PAGESIZE</nextstate>
1868: <filterfunc>return $isProblem</filterfunc>
1869: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1870: <valuefunc>return $symbFilter;</valuefunc>
1871: </resource>
1872: </state>
1873: CHOOSE_FROM_ANY_SEQUENCE
1874: }
1875:
1876: # Generate the first state, to select which resources get printed.
1877: Apache::lonhelper::state->new("START", "Select Printing Options:");
1878: $paramHash = Apache::lonhelper::getParamHash();
1879: $paramHash->{MESSAGE_TEXT} = "";
1880: Apache::lonhelper::message->new();
1881: $paramHash = Apache::lonhelper::getParamHash();
1882: $paramHash->{'variable'} = 'PRINT_TYPE';
1883: $helper->declareVar('PRINT_TYPE');
1884: $paramHash->{CHOICES} = $printChoices;
1885: Apache::lonhelper::choices->new();
1886:
1887: my $startedTable = 0; # have we started an HTML table yet? (need
1888: # to close it later)
1889:
1890: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1891: ($helper->{VARS}->{'construction'} eq '1')) {
1892: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1893: $paramHash = Apache::lonhelper::getParamHash();
1894: $paramHash->{'variable'} = 'ANSWER_TYPE';
1895: $helper->declareVar('ANSWER_TYPE');
1896: $paramHash->{CHOICES} = [
1897: ['Without Answers', 'yes'],
1898: ['With Answers', 'no'],
1899: ['Only Answers', 'only'],
1900: ['As Exam Problem', 'exam']
1901: ];
1902: Apache::lonhelper::dropdown->new();
1903: addMessage("</td></tr>");
1904: $startedTable = 1;
1905: }
1906:
1907: if ($ENV{'request.role.adv'}) {
1908: if (!$startedTable) {
1909: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
1910: $startedTable = 1;
1911: } else {
1912: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
1913: }
1914: $paramHash = Apache::lonhelper::getParamHash();
1915: $paramHash->{'variable'} = 'LATEX_TYPE';
1916: $helper->declareVar('LATEX_TYPE');
1917: if ($helper->{VARS}->{'construction'} eq '1') {
1918: $paramHash->{CHOICES} = [
1919: ['standard LaTeX mode', 'standard'],
1920: ['LaTeX batchmode', 'batchmode'], ];
1921: } else {
1922: $paramHash->{CHOICES} = [
1923: ['LaTeX batchmode', 'batchmode'],
1924: ['standard LaTeX mode', 'standard'] ];
1925: }
1926: Apache::lonhelper::dropdown->new();
1927:
1928: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1929: $paramHash = Apache::lonhelper::getParamHash();
1930: $paramHash->{'variable'} = 'TABLE_CONTENTS';
1931: $helper->declareVar('TABLE_CONTENTS');
1932: $paramHash->{CHOICES} = [
1933: ['No', 'no'],
1934: ['Yes', 'yes'] ];
1935: Apache::lonhelper::dropdown->new();
1936: addMessage("</td></tr>");
1937:
1938: if (not $helper->{VARS}->{'construction'}) {
1939: addMessage("<tr><td align='right'>Print Index: </td><td>");
1940: $paramHash = Apache::lonhelper::getParamHash();
1941: $paramHash->{'variable'} = 'TABLE_INDEX';
1942: $helper->declareVar('TABLE_INDEX');
1943: $paramHash->{CHOICES} = [
1944: ['No', 'no'],
1945: ['Yes', 'yes'] ];
1946: Apache::lonhelper::dropdown->new();
1947: addMessage("</td></tr>");
1948: addMessage("<tr><td align='right'>Print Discussions: </td><td>");
1949: $paramHash = Apache::lonhelper::getParamHash();
1950: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
1951: $helper->declareVar('PRINT_DISCUSSIONS');
1952: $paramHash->{CHOICES} = [
1953: ['No', 'no'],
1954: ['Yes', 'yes'] ];
1955: Apache::lonhelper::dropdown->new();
1956: addMessage("</td></tr>");
1957: }
1958:
1959: if ($helper->{'VARS'}->{'construction'}) {
1960: my $stylevalue=$ENV{'construct.style'};
1961: my $xmlfrag .= <<"RNDSEED";
1962: <message><tr><td align='right'>Use random seed: </td><td></message>
1963: <string variable="curseed" size="15" maxlength="15">
1964: <defaultvalue>
1965: return $helper->{VARS}->{'curseed'};
1966: </defaultvalue>
1967: </string>
1968: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1969: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1970: <message></td></tr></message>
1971: RNDSEED
1972: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1973: $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1974: }
1975: }
1976:
1977:
1978:
1979:
1980: if ($startedTable) {
1981: addMessage("</table>");
1982: }
1983:
1984: Apache::lonprintout::page_format_state->new("FORMAT");
1985:
1986: # Generate the PAGESIZE state which will offer the user the margin
1987: # choices if they select one column
1988: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
1989: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
1990:
1991:
1992: $helper->process();
1993:
1994: # MANUAL BAILOUT CONDITION:
1995: # If we're in the "final" state, bailout and return to handler
1996: if ($helper->{STATE} eq 'FINAL') {
1997: return $helper;
1998: }
1999:
2000: $r->print($helper->display());
2001:
2002: Apache::lonhelper::unregisterHelperTags();
2003:
2004: untie %hash;
2005:
2006: return OK;
2007: }
2008:
2009:
2010: 1;
2011:
2012: package Apache::lonprintout::page_format_state;
2013:
2014: =pod
2015:
2016: =head1 Helper element: page_format_state
2017:
2018: See lonhelper.pm documentation for discussion of the helper framework.
2019:
2020: Apache::lonprintout::page_format_state is an element that gives the
2021: user an opportunity to select the page layout they wish to print
2022: with: Number of columns, portrait/landscape, and paper size. If you
2023: want to change the paper size choices, change the @paperSize array
2024: contents in this package.
2025:
2026: page_format_state is always directly invoked in lonprintout.pm, so there
2027: is no tag interface. You actually pass parameters to the constructor.
2028:
2029: =over 4
2030:
2031: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2032:
2033: =back
2034:
2035: =cut
2036:
2037: use Apache::lonhelper;
2038:
2039: no strict;
2040: @ISA = ("Apache::lonhelper::element");
2041: use strict;
2042: use Apache::lonlocal;
2043:
2044: my $maxColumns = 2;
2045: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
2046: "tabloid (ladger) [11x17 in]", "executive [7 1/2x10 in]",
2047: "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
2048: "a5 [148x210 mm]", "a6 [105x148 mm]" );
2049:
2050: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
2051: # Paper type
2052:
2053: sub new {
2054: my $self = Apache::lonhelper::element->new();
2055:
2056: shift;
2057:
2058: $self->{'variable'} = shift;
2059: my $helper = Apache::lonhelper::getHelper();
2060: $helper->declareVar($self->{'variable'});
2061: bless($self);
2062: return $self;
2063: }
2064:
2065: sub render {
2066: my $self = shift;
2067: my $helper = Apache::lonhelper::getHelper();
2068: my $result = '';
2069: my $var = $self->{'variable'};
2070: my $PageLayout=&mt('Page layout');
2071: my $NumberOfColumns=&mt('Number of columns');
2072: my $PaperType=&mt('Paper type');
2073: $result .= <<STATEHTML;
2074:
2075: <hr width="33%" />
2076: <table cellpadding="3">
2077: <tr>
2078: <td align="center"><b>$PageLayout</b></td>
2079: <td align="center"><b>$NumberOfColumns</b></td>
2080: <td align="center"><b>$PaperType</b></td>
2081: </tr>
2082: <tr>
2083: <td>
2084: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
2085: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
2086: </td>
2087: <td align="center">
2088: <select name="${var}.cols">
2089: STATEHTML
2090:
2091: my $i;
2092: for ($i = 1; $i <= $maxColumns; $i++) {
2093: if ($i == 2) {
2094: $result .= "<option value='$i' selected>$i</option>\n";
2095: } else {
2096: $result .= "<option value='$i'>$i</option>\n";
2097: }
2098: }
2099:
2100: $result .= "</select></td><td>\n";
2101: $result .= "<select name='${var}.paper'>\n";
2102:
2103: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
2104: my $DefaultPaperSize=$parmhash{'default_paper_size'};
2105: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
2106: $i = 0;
2107: foreach (@paperSize) {
2108: $_=~/(\w+)/;
2109: my $papersize=$1;
2110: if ($paperSize[$i]=~/$DefaultPaperSize/) {
2111: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
2112: } else {
2113: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
2114: }
2115: $i++;
2116: }
2117: $result .= "</select></td></tr></table>";
2118: return $result;
2119: }
2120:
2121: sub postprocess {
2122: my $self = shift;
2123:
2124: my $var = $self->{'variable'};
2125: my $helper = Apache::lonhelper->getHelper();
2126: $helper->{VARS}->{$var} =
2127: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
2128: $ENV{"form.$var.paper"};
2129: return 1;
2130: }
2131:
2132: 1;
2133:
2134: package Apache::lonprintout::page_size_state;
2135:
2136: =pod
2137:
2138: =head1 Helper element: page_size_state
2139:
2140: See lonhelper.pm documentation for discussion of the helper framework.
2141:
2142: Apache::lonprintout::page_size_state is an element that gives the
2143: user the opportunity to further refine the page settings if they
2144: select a single-column page.
2145:
2146: page_size_state is always directly invoked in lonprintout.pm, so there
2147: is no tag interface. You actually pass parameters to the constructor.
2148:
2149: =over 4
2150:
2151: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
2152:
2153: =back
2154:
2155: =cut
2156:
2157: use Apache::lonhelper;
2158:
2159: no strict;
2160: @ISA = ("Apache::lonhelper::element");
2161: use strict;
2162:
2163:
2164:
2165: sub new {
2166: my $self = Apache::lonhelper::element->new();
2167:
2168: shift; # disturbs me (probably prevents subclassing) but works (drops
2169: # package descriptor)... - Jeremy
2170:
2171: $self->{'variable'} = shift;
2172: my $helper = Apache::lonhelper::getHelper();
2173: $helper->declareVar($self->{'variable'});
2174:
2175: # The variable name of the format element, so we can look into
2176: # $helper->{VARS} to figure out whether the columns are one or two
2177: $self->{'formatvar'} = shift;
2178:
2179: # The state to transition to after selection, or after discovering
2180: # the cols are not set to 1
2181: $self->{NEXTSTATE} = shift;
2182: bless($self);
2183: return $self;
2184: }
2185:
2186: sub render {
2187: my $self = shift;
2188: my $helper = Apache::lonhelper::getHelper();
2189: my $result = '';
2190: my $var = $self->{'variable'};
2191:
2192: if (defined $self->{ERROR_MSG}) {
2193: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
2194: }
2195:
2196: $result .= <<ELEMENTHTML;
2197:
2198: <p>How should the column be formatted?</p>
2199:
2200: <table cellpadding='3'>
2201: <tr>
2202: <td align='right'><b>Width</b>:</td>
2203: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
2204: <td align='left'>
2205: <select name='$var.widthunit'>
2206: <option>cm</option><option>in</option>
2207: </select>
2208: </td>
2209: </tr>
2210: <tr>
2211: <td align='right'><b>Height</b>:</td>
2212: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
2213: <td align='left'>
2214: <select name='$var.heightunit'>
2215: <option>cm</option><option>in</option>
2216: </select>
2217: </td>
2218: </tr>
2219: <tr>
2220: <td align='right'><b>Left margin</b>:</td>
2221: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
2222: <td align='left'>
2223: <select name='$var.lmarginunit'>
2224: <option>cm</option><option>in</option>
2225: </select>
2226: </td>
2227: </tr>
2228: </table>
2229:
2230: <p>Hint: Some instructors like to leave scratch space for the student by
2231: making the width much smaller than the width of the page.</p>
2232:
2233: ELEMENTHTML
2234:
2235: return $result;
2236: }
2237:
2238: # If the user didn't select 1 column, skip this state.
2239: sub preprocess {
2240: my $self = shift;
2241: my $helper = Apache::lonhelper::getHelper();
2242:
2243: my $format = $helper->{VARS}->{$self->{'formatvar'}};
2244: if (substr($format, 2, 1) ne '1') {
2245: $helper->changeState($self->{NEXTSTATE});
2246: }
2247:
2248: return 1;
2249: }
2250:
2251: sub postprocess {
2252: my $self = shift;
2253:
2254: my $var = $self->{'variable'};
2255: my $helper = Apache::lonhelper->getHelper();
2256: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
2257: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
2258: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
2259: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
2260: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
2261: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
2262:
2263: my $error = '';
2264:
2265: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
2266: # by an optional period, followed by digits, ending the string
2267:
2268: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2269: $error .= "Invalid width; please type only a number.<br />\n";
2270: }
2271: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2272: $error .= "Invalid height; please type only a number.<br />\n";
2273: }
2274: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
2275: $error .= "Invalid left margin; please type only a number.<br />\n";
2276: }
2277:
2278: if (!$error) {
2279: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
2280: return 1;
2281: } else {
2282: $self->{ERROR_MSG} = $error;
2283: return 0;
2284: }
2285: }
2286:
2287:
2288:
2289: __END__
2290:
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