1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.258 2003/10/24 13:33:08 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;/\$=\$/g;
93: $result =~ s/&(\#0?62|gt|\#155);/\$>\$/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;/\$\\setminus\$/g;
123: $result =~ s/&\#0?93;/]/g;
124: $result =~ s/&\#(0?94|136);/\$\\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;/\$\\ldots\$/g;
160: $result =~ s/&\#134;/\$\\dagger\$/g;
161: $result =~ s/&\#135;/\$\\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;/\$\\bullet\$/g;
167: $result =~ s/&\#150;/--/g;
168: $result =~ s/&\#151;/---/g;
169: $result =~ s/&\#152;/\$\\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);/\$\\neg\$/g;
185: $result =~ s/&(\#173|shy);/ - /g;
186: $result =~ s/&(\#174|reg);/\\textregistered /g;
187: $result =~ s/&(\#175|macr);/\$^{-}\$/g;
188: $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g;
189: $result =~ s/&(\#177|plusmn);/\$\\pm\$/g;
190: $result =~ s/&(\#178|sup2);/\$^2\$/g;
191: $result =~ s/&(\#179|sup3);/\$^3\$/g;
192: $result =~ s/&(\#180|acute);/\\textacute /g;
193: $result =~ s/&(\#181|micro);/\$\\mu\$/g;
194: $result =~ s/&(\#182|para);/\\P/g;
195: $result =~ s/&(\#183|middot);/\$\\cdot\$/g;
196: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
197: $result =~ s/&(\#185|sup1);/\$^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);/\$\\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);/\$\\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);/\$\\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;/\$\\theta\$/g;
265: #Greek Alphabet
266: $result =~ s/&(alpha|\#945);/\$\\alpha \$/g;
267: $result =~ s/&(beta|\#946);/\$\\beta \$/g;
268: $result =~ s/&(gamma|\#947);/\$\\gamma \$/g;
269: $result =~ s/&(delta|\#948);/\$\\delta \$/g;
270: $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g;
271: $result =~ s/&(zeta|\#950);/\$\\zeta \$/g;
272: $result =~ s/&(eta|\#951);/\$\\eta \$/g;
273: $result =~ s/&(theta|\#952);/\$\\theta \$/g;
274: $result =~ s/&(iota|\#953);/\$\\iota \$/g;
275: $result =~ s/&(kappa|\#954);/\$\\kappa \$/g;
276: $result =~ s/&(lambda|\#955);/\$\\lambda \$/g;
277: $result =~ s/&(mu|\#956);/\$\\mu \$/g;
278: $result =~ s/&(nu|\#957);/\$\\nu \$/g;
279: $result =~ s/&(xi|\#958);/\$\\xi \$/g;
280: $result =~ s/&(omicron|\#959);/o/g;
281: $result =~ s/&(pi|\#960);/\$\\pi \$/g;
282: $result =~ s/&(rho|\#961);/\$\\rho \$/g;
283: $result =~ s/&(sigma|\#963);/\$\\sigma \$/g;
284: $result =~ s/&(tau|\#964);/\$\\tau \$/g;
285: $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g;
286: $result =~ s/&(phi|\#966);/\$\\phi \$/g;
287: $result =~ s/&(chi|\#967);/\$\\chi \$/g;
288: $result =~ s/&(psi|\#968);/\$\\psi \$/g;
289: $result =~ s/&(omega|\#969);/\$\\omega \$/g;
290: $result =~ s/&(thetasym|\#977);/\$\\vartheta \$/g;
291: $result =~ s/&(piv|\#982);/\$\\varpi \$/g;
292: $result =~ s/&(Alpha|\#913);/A/g;
293: $result =~ s/&(Beta|\#914);/B/g;
294: $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g;
295: $result =~ s/&(Delta|\#916);/\$\\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);/\$\\Theta \$/g;
300: $result =~ s/&(Iota|\#921);/I/g;
301: $result =~ s/&(Kappa|\#922);/K/g;
302: $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g;
303: $result =~ s/&(Mu|\#924);/M/g;
304: $result =~ s/&(Nu|\#925);/N/g;
305: $result =~ s/&(Xi|\#926);/\$\\Xi \$/g;
306: $result =~ s/&(Omicron|\#927);/O/g;
307: $result =~ s/&(Pi|\#928);/\$\\Pi \$/g;
308: $result =~ s/&(Rho|\#929);/P/g;
309: $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g;
310: $result =~ s/&(Tau|\#932);/T/g;
311: $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g;
312: $result =~ s/&(Phi|\#934);/\$\\Phi \$/g;
313: $result =~ s/&(Chi|\#935);/X/g;
314: $result =~ s/&(Psi|\#936);/\$\\Psi \$/g;
315: $result =~ s/&(Omega|\#937);/\$\\Omega \$/g;
316: #Arrows (extended HTML 4.01)
317: $result =~ s/&(larr|\#8592);/\$\\leftarrow \$/g;
318: $result =~ s/&(uarr|\#8593);/\$\\uparrow \$/g;
319: $result =~ s/&(rarr|\#8594);/\$\\rightarrow \$/g;
320: $result =~ s/&(darr|\#8595);/\$\\downarrow \$/g;
321: $result =~ s/&(harr|\#8596);/\$\\leftrightarrow \$/g;
322: $result =~ s/&(lArr|\#8656);/\$\\Leftarrow \$/g;
323: $result =~ s/&(uArr|\#8657);/\$\\Uparrow \$/g;
324: $result =~ s/&(rArr|\#8658);/\$\\Rightarrow \$/g;
325: $result =~ s/&(dArr|\#8659);/\$\\Downarrow \$/g;
326: $result =~ s/&(hArr|\#8660);/\$\\Leftrightarrow \$/g;
327: #Mathematical Operators (extended HTML 4.01)
328: $result =~ s/&(forall|\#8704);/\$\\forall \$/g;
329: $result =~ s/&(part|\#8706);/\$\\partial \$/g;
330: $result =~ s/&(exist|\#8707);/\$\\exists \$/g;
331: $result =~ s/&(empty|\#8709);/\$\\emptyset \$/g;
332: $result =~ s/&(nabla|\#8711);/\$\\nabla \$/g;
333: $result =~ s/&(isin|\#8712);/\$\\in \$/g;
334: $result =~ s/&(notin|\#8713);/\$\\notin \$/g;
335: $result =~ s/&(ni|\#8715);/\$\\ni \$/g;
336: $result =~ s/&(prod|\#8719);/\$\\prod \$/g;
337: $result =~ s/&(sum|\#8721);/\$\\sum \$/g;
338: $result =~ s/&(minus|\#8722);/\$-\$/g;
339: $result =~ s/&(lowast|\#8727);/\$*\$/g;
340: $result =~ s/&(radic|\#8730);/\$\\surd \$/g;
341: $result =~ s/&(prop|\#8733);/\$\\propto \$/g;
342: $result =~ s/&(infin|\#8734);/\$\\infty \$/g;
343: $result =~ s/&(ang|\#8736);/\$\\angle \$/g;
344: $result =~ s/&(and|\#8743);/\$\\wedge \$/g;
345: $result =~ s/&(or|\#8744);/\$\\vee \$/g;
346: $result =~ s/&(cap|\#8745);/\$\\cap \$/g;
347: $result =~ s/&(cup|\#8746);/\$\\cup \$/g;
348: $result =~ s/&(int|\#8747);/\$\\int \$/g;
349: $result =~ s/&(sim|\#8764);/\$\\sim \$/g;
350: $result =~ s/&(cong|\#8773);/\$\\cong \$/g;
351: $result =~ s/&(asymp|\#8776);/\$\\approx \$/g;
352: $result =~ s/&(ne|\#8800);/\$\\not= \$/g;
353: $result =~ s/&(equiv|\#8801);/\$\\equiv \$/g;
354: $result =~ s/&(le|\#8804);/\$\\leq \$/g;
355: $result =~ s/&(ge|\#8805);/\$\\geq \$/g;
356: $result =~ s/&(sub|\#8834);/\$\\subset \$/g;
357: $result =~ s/&(sup|\#8835);/\$\\supset \$/g;
358: $result =~ s/&(nsub|\#8836);/\$\\not\\subset \$/g;
359: $result =~ s/&(sube|\#8838);/\$\\subseteq \$/g;
360: $result =~ s/&(supe|\#8839);/\$\\supseteq \$/g;
361: $result =~ s/&(oplus|\#8853);/\$\\oplus \$/g;
362: $result =~ s/&(otimes|\#8855);/\$\\otimes \$/g;
363: $result =~ s/&(perp|\#8869);/\$\\perp \$/g;
364: $result =~ s/&(sdot|\#8901);/\$\\cdot \$/g;
365: #Geometric Shapes (extended HTML 4.01)
366: $result =~ s/&(loz|\#9674);/\$\\Diamond \$/g;
367: #Miscellaneous Symbols (extended HTML 4.01)
368: $result =~ s/&(spades|\#9824);/\$\\spadesuit \$/g;
369: $result =~ s/&(clubs|\#9827);/\$\\clubsuit \$/g;
370: $result =~ s/&(hearts|\#9829);/\$\\heartsuit \$/g;
371: $result =~ s/&(diams|\#9830);/\$\\diamondsuit \$/g;
372: return $result;
373: }
374:
375:
376: sub page_format {
377: #
378: #Correspondence between $papersize variable and real paper format:
379: # 0 - "Letter [8 1/2x11 in]"
380: # 1 - "Legal [8 1/2x14 in]"
381: # 2 - "Ledger/Tabloid [11x17 in]"
382: # 3 - "Executive [7 1/2x10 in]"
383: # 4 - "A2 [420x594 mm]"
384: # 5 - "A3 [297x420 mm]"
385: # 6 - "A4 [210x297 mm]"
386: # 7 - "A5 [148x210 mm]"
387: # 8 - "A6 [105x148 mm]"
388: #
389: my ($papersize,$layout,$numberofcolumns) = @_;
390: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = (0,0,0,0,0);
391: if ($papersize eq '0') {
392: if ($layout eq 'book') {
393: if ($numberofcolumns == 1) {
394: $textwidth = '7.1 in'; #'18 cm';
395: $textheight = '10.2 in'; #'25.9 cm';
396: $oddoffset = '-0.57 in';
397: $evenoffset = '-0.57 in';
398: } elsif ($numberofcolumns == 2) {
399: $textwidth = '3.66 in'; #'93 mm';
400: $textheight = '10.2 in'; #'25.9 cm';
401: $oddoffset = '-0.57 in';
402: $evenoffset = '-0.57 in';
403: }
404: } elsif ($layout eq 'album') {
405: if ($numberofcolumns eq '1') {
406: $textwidth = '8.8 in';
407: $textheight = '6.8 in';
408: $oddoffset = '-40 pt';
409: $evenoffset = '-60 pt';
410: } elsif ($numberofcolumns == 2) {
411: $textwidth = '4.4 in';
412: $textheight = '6.8 in';
413: $oddoffset = '-0.5 in';
414: $evenoffset = '-1.5 in';
415: $topmargin = '3.5 in';
416: }
417: }
418: # } elsif($papersize eq '1') {
419: # } elsif($papersize eq '2') {
420: # } elsif($papersize eq '3'/) {
421: } elsif($papersize eq '6') {
422: if ($layout eq 'book') {
423: if ($numberofcolumns == 1) {
424: $textwidth = '18 cm';
425: $textheight = '28 cm';
426: $oddoffset = '-0.57 in';
427: $evenoffset = '-0.57 in';
428: } elsif ($numberofcolumns == 2) {
429: $textwidth = '96 mm';
430: $textheight = '2 cm';
431: $oddoffset = '-0.57 in';
432: $evenoffset = '-0.57 in';
433: }
434: } elsif ($layout eq 'album') {
435: if ($numberofcolumns eq '1') {
436: $textwidth = '8.5 in';
437: $textheight = '7.7 in';
438: $oddoffset = '-40 pt';
439: $evenoffset = '-60 pt';
440: } elsif ($numberofcolumns == 2) {
441: $textwidth = '3.9 in';
442: $textheight = '7.7 in';
443: $oddoffset = '-40 pt';
444: $evenoffset = '-60 pt';
445: }
446: }
447: # } elsif($papersize eq '5') {
448: # } elsif($papersize eq '4') {
449: # } elsif($papersize eq '7') {
450: # } elsif($papersize eq '8') {
451: }
452: return $textwidth,$textheight,$oddoffset,$evenoffset,$topmargin;
453: }
454:
455:
456: sub get_name {
457: my ($uname,$udom)=@_;
458: if (!defined($uname)) { $uname=$ENV{'user.name'}; }
459: if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
460: my $plainname=&Apache::loncommon::plainname($uname,$udom);
461: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
462: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
463: return $plainname;
464: }
465:
466: sub get_course {
467: my $courseidinfo;
468: if (defined($ENV{'request.course.id'})) {
469: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
470: }
471: return $courseidinfo;
472: }
473:
474: sub page_format_transformation {
475: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist) = @_;
476: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
477: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
478: if ($numberofcolumns != 1) {
479: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
480: } else {
481: ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'});
482: }
483: my $name = &get_name();
484: my $courseidinfo = &get_course();
485: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
486: if ($layout eq 'album') {
487: my $topmargintoinsert = '';
488: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
489: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}} \\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1} /;
490: } elsif ($layout eq 'book') {
491: if ($choice ne 'All class print') {
492: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/;
493: } else {
494: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /;
495: }
496: }
497: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
498: if ($indexlist eq 'yes') {
499: $text=~s/(\\begin{document})/\\makeindex $1/;
500: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
501: }
502: return $text;
503: }
504:
505:
506: sub page_cleanup {
507: my $result = shift;
508:
509: $result =~ m/\\end{document}(\d*)$/;
510: my $number_of_columns = $1;
511: my $insert = '{';
512: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
513: $insert .= '}';
514: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
515: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
516: return $result,$number_of_columns;
517: }
518:
519:
520: sub details_for_menu {
521:
522: my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
523: my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
524: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
525: $map=&Apache::lonnet::clutter($map);
526: my $name_of_sequence;
527: $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}};
528: if ($name_of_sequence =~ /^\s*$/) {
529: $map =~ m|([^/]+)$|;
530: $name_of_sequence = $1;
531: }
532: my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}};
533: if ($name_of_map =~ /^\s*$/) {
534: $ENV{'request.course.uri'} =~ m|([^/]+)$|;
535: $name_of_map = $1;
536: }
537: return ($name_of_resourse,$name_of_sequence,$name_of_map);
538:
539: }
540:
541:
542: sub latex_corrections {
543:
544: my ($number_of_columns,$result) = @_;
545:
546: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
547: $result =~ s/\$number_of_columns/$number_of_columns/g;
548: $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/;
549: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
550: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
551: #-- LaTeX corrections
552: my $first_comment = index($result,'<!--',0);
553: while ($first_comment != -1) {
554: my $end_comment = index($result,'-->',$first_comment);
555: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
556: $first_comment = index($result,'<!--',$first_comment);
557: }
558: $result =~ s/^\s+$//gm; #remove empty lines
559: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
560: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
561: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
562: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
563: $result =~ s/\\\\\s+\[/ \[/g;
564: $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
565: #conversion of html characters to LaTeX equivalents
566: if ($result =~ m/&(\w+|#\d+);/) {
567: $result = &character_chart($result);
568: }
569: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
570: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
571:
572: return $result;
573: }
574:
575:
576: sub index_table {
577: my $currentURL = shift;
578: my $insex_string='';
579: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
580: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
581: return $insex_string;
582: }
583:
584:
585: sub IndexCreation {
586: my ($texversion,$currentURL)=@_;
587: my @key_words=split(/,/,&index_table($currentURL));
588: my $chunk='';
589: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
590: if ($st>0) {
591: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
592: $chunk=substr($texversion,0,$st+1);
593: substr($texversion,0,$st+1)=' ';
594: }
595: foreach my $key_word (@key_words) {
596: if ($key_word=~/\S+/) {
597: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
598: }
599: }
600: if ($st>0) {substr($texversion,0,1)=$chunk;}
601: return $texversion;
602: }
603:
604: sub print_latex_header {
605: my $mode=shift;
606: my $output='\documentclass[letterpaper]{article}';
607: if ($mode eq 'batchmode') {
608: $output.='\batchmode';
609: }
610: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'.
611: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
612: '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
613: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
614: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
615: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
616: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
617: '\setlength{\abovedisplayshortskip}{-0.04in}'.
618: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
619: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
620: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
621: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
622: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
623: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
624: '\setlength{\abovedisplayshortskip}{-0.04in}'.
625: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
626: return $output;
627: }
628:
629: sub path_to_problem {
630: my ($urlp,$LaTeXwidth)=@_;
631: my $newurlp = '';
632: $LaTeXwidth=~s/\s*mm\s*$//;
633: my $HowMany = length($urlp)*2;
634: if ($HowMany > $LaTeXwidth) {
635: my @temporrary = split '/',$urlp;
636: my $HowManyNew = 0;
637: for (my $ii=0;$ii<=$#temporrary;$ii++) {
638: if ($temporrary[$ii] ne '') {
639: $HowManyNew += length($temporrary[$ii])*2;
640: if ($HowManyNew < $LaTeXwidth ) {
641: $newurlp .= '/'.$temporrary[$ii];
642: } else {
643: $HowManyNew = 0;
644: $newurlp .= '|\vskip -1 mm \noindent \verb|';
645: $ii--;
646: }
647: }
648: }
649: } else {
650: $newurlp=$urlp;
651: }
652: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
653: }
654:
655: sub output_data {
656: my ($r,$helper,$rparmhash) = @_;
657: my %parmhash = %$rparmhash;
658: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
659: $r->print(<<ENDPART);
660: <html>
661: <head>
662: <title>LON-CAPA output for printing</title>
663: </head>
664: $bodytag
665: Please stand by while processing your print request, this may take some time ...
666: ENDPART
667:
668: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
669: my ($result,$selectionmade) = ('','');
670: my $number_of_columns = 1; #used only for pages to determine the width of the cell
671: my @temporary_array=split /\|/,$format_from_helper;
672: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
673: if ($laystyle eq 'L') {
674: $laystyle='album';
675: } else {
676: $laystyle='book';
677: }
678: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
679: my $assignment = $ENV{'form.assignment'};
680: my $LaTeXwidth;
681: if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
682: $LaTeXwidth = $1*10;
683: } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
684: $LaTeXwidth = $1;
685: } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
686: $LaTeXwidth = $1*25.4;
687: }
688: $LaTeXwidth.=' mm';
689:
690: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
691: #-- single document - problem, page, html, xml, ...
692: my $currentURL;
693: if ($helper->{'VARS'}->{'construction'} ne '1') {
694: #prints published resource
695: $currentURL=$helper->{'VARS'}->{'postdata'};
696: } else {
697: #prints resource from the construction space
698: $currentURL='/'.$helper->{'VARS'}->{'filename'};
699: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
700: }
701: $selectionmade = 1;
702: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
703: my $rndseed=time;
704: my $texversion='';
705: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
706: my %moreenv;
707: $moreenv{'request.filename'}=$currentURL;
708: my %form;
709: $form{'grade_target'}='tex';
710: $form{'textwidth'}=$LaTeXwidth;
711: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
712: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
713: if ($helper->{'VARS'}->{'curseed'}) {
714: $rndseed=$helper->{'VARS'}->{'curseed'};
715: }
716: $form{'rndseed'}=$rndseed;
717: &Apache::lonnet::appenv(%moreenv);
718: &Apache::lonnet::delenv('form.counter');
719: &Apache::lonxml::init_counter();
720: $texversion=&Apache::lonnet::ssi($currentURL,%form);
721: &Apache::lonnet::delenv('form.counter');
722: &Apache::lonnet::delenv('request.filename');
723: }
724: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
725: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
726: my %form;
727: $form{'grade_target'}='answer';
728: $form{'answer_output_mode'}='tex';
729: $form{'rndseed'}=$rndseed;
730: my $answer=&Apache::lonnet::ssi($currentURL,%form);
731: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
732: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
733: } else {
734: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
735: if ($helper->{'VARS'}->{'construction'} ne '1') {
736: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
737: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
738: } else {
739: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
740: my $URLpath=$currentURL;
741: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
742: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
743: }
744: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
745: }
746: }
747: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
748: $texversion=&IndexCreation($texversion,$currentURL);
749: }
750: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
751: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
752:
753: }
754: $result .= $texversion;
755: if ($currentURL=~m/\.page\s*$/) {
756: ($result,$number_of_columns) = &page_cleanup($result);
757: }
758: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
759: #printing content of sequence from the construction space
760: my $flag_latex_header_remove = 'NO';
761: my $rndseed=time;
762: if ($helper->{'VARS'}->{'curseed'}) {
763: $rndseed=$helper->{'VARS'}->{'curseed'};
764: }
765: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
766: my $errtext=&Apache::lonratedt::mapread($currentURL);
767: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
768: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
769: my $urlp=$2;
770: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
771: my $texversion='';
772: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
773: my %form;
774: $form{'grade_target'}='tex';
775: $form{'textwidth'}=$LaTeXwidth;
776: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
777: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
778: $form{'rndseed'}=$rndseed;
779: $texversion=&Apache::lonnet::ssi($urlp,%form);
780: }
781: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
782: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
783: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
784: my %form;
785: $form{'grade_target'}='answer';
786: $form{'answer_output_mode'}='tex';
787: $form{'rndseed'}=$rndseed;
788: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
789: my $answer=&Apache::lonnet::ssi($urlp,%form);
790: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
791: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
792: } else {
793: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
794: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
795: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
796: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
797: }
798: }
799: if ($flag_latex_header_remove ne 'NO') {
800: $texversion = &latex_header_footer_remove($texversion);
801: } else {
802: $texversion =~ s/\\end{document}//;
803: }
804: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
805: $texversion=&IndexCreation($texversion,$urlp);
806: }
807: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
808: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
809: }
810: $result.=$texversion;
811: $flag_latex_header_remove = 'YES';
812: } elsif ($urlp=~/\.(sequence|page)$/) {
813: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
814: }
815: }
816: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
817: $result .= '\end{document}';
818: } elsif ($currentURL=~/\/smppg$/) {
819: my %form;
820: $form{'grade_target'}='tex';
821: $form{'textwidth'}=$LaTeXwidth;
822: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
823: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
824: $result .= $texversion;
825: } else {
826: $result.='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
827: if ($currentURL=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
828: $result.=$1;
829: } elsif ($currentURL=~/\/ext\//) {
830: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
831: } else {
832: $result.=$currentURL;
833: }
834: $result.=' \end{document}'
835: }
836: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
837: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
838: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
839: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
840: #-- produce an output string
841: my %form=();
842: $form{'grade_target'}='tex';
843: $form{'textwidth'}=$LaTeXwidth;
844: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
845: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
846: my $flag_latex_header_remove = 'NO';
847: my $flag_page_in_sequence = 'NO';
848: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
849: my $prevassignment='';
850: &Apache::lonnet::delenv('form.counter');
851: &Apache::lonxml::init_counter();
852: for (my $i=0;$i<=$#master_seq;$i++) {
853: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
854: $urlp=&Apache::lonnet::clutter($urlp);
855: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
856: $selectionmade = 2;
857: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
858: $selectionmade = 3;
859: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
860: $selectionmade = 4;
861: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
862: $selectionmade = 7;
863: }
864: $form{'symb'}=$master_seq[$i];
865: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
866: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
867: if ($i==0) {$prevassignment=$assignment;}
868: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
869: my $texversion=&Apache::lonnet::ssi($urlp,%form);
870: if ($urlp=~/\.page$/) {
871: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
872: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
873: $texversion =~ s/\\end{document}\d*/\\end{document}/;
874: $flag_page_in_sequence = 'YES';
875: }
876: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
877: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
878: my %form;
879: $form{'grade_target'}='answer';
880: $form{'answer_output_mode'}='tex';
881: my $answer=&Apache::lonnet::ssi($urlp,%form);
882: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
883: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
884: } else {
885: if ($urlp=~/\.(problem|exam|quiz|library)$/) {
886: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
887: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
888: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
889: $texversion.='\vskip 1 mm '.$answer;
890: } else {
891: $texversion='';
892: }
893: }
894: }
895: if ($flag_latex_header_remove ne 'NO') {
896: $texversion = &latex_header_footer_remove($texversion);
897: } else {
898: $texversion =~ s/\\end{document}//;
899: }
900: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
901: $texversion=&IndexCreation($texversion,$urlp);
902: }
903: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
904: my $name = &get_name();
905: my $courseidinfo = &get_course();
906: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
907: $prevassignment=$assignment;
908: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
909: }
910: $result .= $texversion;
911: $flag_latex_header_remove = 'YES';
912: }
913: &Apache::lonnet::delenv('form.counter');
914: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
915: $result .= '\end{document}';
916: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')) {
917: #-- prints assignments for whole class or for selected students
918: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
919: $selectionmade=5;
920: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
921: $selectionmade=8;
922: }
923: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
924: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
925: #loop over students
926: my $flag_latex_header_remove = 'NO';
927: my %moreenv;
928: $moreenv{'form.textwidth'}=$LaTeXwidth;
929: &Apache::lonnet::appenv(%moreenv);
930: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
931: foreach my $person (@students) {
932: my $current_output = '';
933: # my ($usersection,$username,$userdomain) = split /:/,$person;
934: my ($username,$userdomain) = split /:/,$person;
935: my $fullname = &get_name($username,$userdomain);
936:
937: if ($parmhash{'anonymous_quiz'}=~/yes/) {$fullname=' ';} #put here something reasonable for anonymous exams or quiz
938: #goes through all resources, checks if they are available for current student, and produces output
939: &Apache::lonnet::delenv('form.counter');
940: &Apache::lonxml::init_counter();
941: foreach my $curresline (@master_seq) {
942: if ((($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) && ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students')) || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')) {
943: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
944: if (&Apache::lonnet::allowed('bre',$res_url)) {
945: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,
946: $ENV{'request.course.id'},'tex');
947: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
948: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
949: my %form;
950: $form{'answer_output_mode'}='tex';
951: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
952: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
953: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
954: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
955: } else {
956: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
957: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
958: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
959: $rendered.='\vskip 1 mm '.$ansrendered;
960: }
961: }
962: if ($flag_latex_header_remove eq 'YES') {
963: $rendered = &latex_header_footer_remove($rendered);
964: } else {
965: $rendered =~ s/\\end{document}//;
966: }
967: $current_output .= $rendered;
968: }
969: $flag_latex_header_remove = 'YES';
970: }
971: }
972: my $courseidinfo = &get_course();
973: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
974: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
975: if ($current_output=~/\\documentclass/) {
976: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
977: } else {
978: my $blanspages = '';
979: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
980: $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}}} \vskip -5 mm '.$current_output;
981: }
982: $result .= $current_output;
983: &Apache::lonnet::delenv('form.counter');
984: &Apache::lonxml::init_counter();
985: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
986: &mt('last student').' '.$fullname);
987: }
988: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
989: $result .= '\end{document}';
990: &Apache::lonnet::delenv('form.textwidth');
991: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
992: #prints selected problems from the subdirectory
993: $selectionmade = 6;
994: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
995: @list_of_files=sort @list_of_files;
996: my $flag_latex_header_remove = 'NO';
997: my $rndseed=time;
998: if ($helper->{'VARS'}->{'curseed'}) {
999: $rndseed=$helper->{'VARS'}->{'curseed'};
1000: }
1001: for (my $i=0;$i<=$#list_of_files;$i++) {
1002: my $urlp = $list_of_files[$i];
1003: $urlp=~s|//|/|;
1004: if ($urlp=~/\//) {
1005: my %form;
1006: $form{'grade_target'}='tex';
1007: $form{'textwidth'}=$LaTeXwidth;
1008: $form{'rndseed'}=$rndseed;
1009: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1010: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1011: } else {
1012: $urlp =~ s|^/home/httpd/html||;
1013: }
1014: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1015: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1016: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1017: my %form;
1018: $form{'grade_target'}='answer';
1019: $form{'answer_output_mode'}='tex';
1020: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1021: $form{'rndseed'}=$rndseed;
1022: my $answer=&Apache::lonnet::ssi($urlp,%form);
1023: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1024: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1025: } else {
1026: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1027: if ($helper->{'VARS'}->{'construction'} ne '1') {
1028: $texversion.='\vskip 0 mm \noindent ';
1029: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1030: } else {
1031: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1032: my $URLpath=$urlp;
1033: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1034: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1035: }
1036: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1037: }
1038: }
1039: #this chunck is responsible for printing the path to problem
1040: my $newurlp=$urlp;
1041: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1042: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1043: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1044: if ($flag_latex_header_remove ne 'NO') {
1045: $texversion = &latex_header_footer_remove($texversion);
1046: } else {
1047: $texversion =~ s/\\end{document}//;
1048: }
1049: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1050: $texversion=&IndexCreation($texversion,$urlp);
1051: }
1052: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1053: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1054:
1055: }
1056: $result .= $texversion;
1057: }
1058: $flag_latex_header_remove = 'YES';
1059: }
1060: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1061: $result .= '\end{document}';
1062: }
1063: #-------------------------------------------------------- corrections for the different page formats
1064: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'});
1065: $result = &latex_corrections($number_of_columns,$result);
1066: #changes page's parameters for the one column output
1067: if ($numberofcolumns == 1) {
1068: $result =~ s/\\textwidth= 9cm/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1069: $result =~ s/\\textheight 25\.9cm/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1070: $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1071: $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1072: }
1073: #-- writing .tex file in prtspool
1074: my $temp_file;
1075: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
1076: unless ($temp_file = Apache::File->new('>'.$filename)) {
1077: $r->log_error("Couldn't open $filename for output $!");
1078: return SERVER_ERROR;
1079: }
1080:
1081: my $identifier = time.'_'.int(rand(1000));
1082: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1083: 'cgi.'.$identifier.'.layout' => $laystyle,
1084: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1085: 'cgi.'.$identifier.'.selection' => $selectionmade,
1086: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1087: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1088: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'});
1089:
1090: print $temp_file $result;
1091:
1092: $r->print(<<FINALEND);
1093: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier">
1094: </body>
1095: </html>
1096: FINALEND
1097: }
1098:
1099:
1100:
1101: sub handler {
1102:
1103: my $r = shift;
1104: my $helper;
1105:
1106: # my $loaderror=&Apache::lonnet::overloaderror($r);
1107: # if ($loaderror) { return $loaderror; }
1108: # $loaderror=
1109: # &Apache::lonnet::overloaderror($r,
1110: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
1111: # if ($loaderror) { return $loaderror; }
1112:
1113: my $result = printHelper($r);
1114: if (!ref($result)) {
1115: return $result;
1116: }
1117: $helper = $result;
1118:
1119: # my $key;
1120: # foreach $key (keys %{$helper->{'VARS'}}) {
1121: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1122: # }
1123: # return OK;
1124:
1125: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1126:
1127: # my $key;
1128: # foreach $key (keys %parmhash) {
1129: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1130: # }
1131: # return OK;
1132:
1133: &output_data($r,$helper,\%parmhash);
1134: return OK;
1135: }
1136:
1137: use Apache::lonhelper;
1138:
1139: sub addMessage {
1140: my $text = shift;
1141: my $paramHash = Apache::lonhelper::getParamHash();
1142: $paramHash->{MESSAGE_TEXT} = $text;
1143: Apache::lonhelper::message->new();
1144: }
1145:
1146: use Data::Dumper;
1147:
1148: sub printHelper {
1149: my $r = shift;
1150:
1151: if ($ENV{'request.course.id'}) {
1152: my $fn=$ENV{'request.course.fn'};
1153: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1154: }
1155:
1156: if ($r->header_only) {
1157: if ($ENV{'browser.mathml'}) {
1158: &Apache::loncommon::content_type($r,'text/xml');
1159: } else {
1160: &Apache::loncommon::content_type($r,'text/html');
1161: }
1162: $r->send_http_header;
1163: return OK;
1164: }
1165:
1166: # Send header, nocache
1167: if ($ENV{'browser.mathml'}) {
1168: &Apache::loncommon::content_type($r,'text/xml');
1169: } else {
1170: &Apache::loncommon::content_type($r,'text/html');
1171: }
1172: &Apache::loncommon::no_cache($r);
1173: $r->send_http_header;
1174: $r->rflush();
1175:
1176: # Unfortunately, this helper is so complicated we have to
1177: # write it by hand
1178:
1179: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1180:
1181: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1182: $helper->declareVar('symb');
1183: $helper->declareVar('postdata');
1184: $helper->declareVar('curseed');
1185: $helper->declareVar('filename');
1186: $helper->declareVar('construction');
1187: $helper->declareVar('assignment');
1188:
1189: # This will persistently load in the data we want from the
1190: # very first screen.
1191: # Detect whether we're coming from construction space
1192: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1193: $helper->{VARS}->{'filename'} = "~$1/$2";
1194: $helper->{VARS}->{'construction'} = 1;
1195: } else {
1196: if ($ENV{'form.postdata'}) {
1197: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
1198: }
1199: if ($ENV{'form.symb'}) {
1200: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1201: }
1202: if ($ENV{'form.url'}) {
1203: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1204: }
1205: }
1206:
1207: if ($ENV{'form.symb'}) {
1208: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1209: }
1210: if ($ENV{'form.url'}) {
1211: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1212:
1213: }
1214:
1215: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1216: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1217:
1218:
1219: # Extract map
1220: my $symb = $helper->{VARS}->{'symb'};
1221: my ($map, $id, $url);
1222: my $subdir;
1223:
1224: # Get the resource name from construction space
1225: if ($helper->{VARS}->{'construction'}) {
1226: $resourceTitle = substr($helper->{VARS}->{'filename'},
1227: rindex($helper->{VARS}->{'filename'}, '/')+1);
1228: $subdir = substr($helper->{VARS}->{'filename'},
1229: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1230: } else {
1231: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1232: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1233:
1234: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1235: my $postdata = $helper->{VARS}->{'postdata'};
1236: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1237: }
1238: $subdir = &Apache::lonnet::filelocation("", $url);
1239: }
1240: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
1241: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
1242: }
1243:
1244: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1245: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
1246: $ENV{'request.role'}=~m/^in\./ or
1247: $ENV{'request.role'}=~m/^ta\./);
1248:
1249: Apache::lonhelper::registerHelperTags();
1250:
1251: # "Delete everything after the last slash."
1252: $subdir =~ s|/[^/]+$||;
1253: if (not $helper->{VARS}->{'construction'}) {
1254: $subdir='/home/httpd/html/res/'.$subdir;
1255: }
1256: # "Remove all duplicate slashes."
1257: $subdir =~ s|/+|/|g;
1258:
1259: # What can be printed is a very dynamic decision based on
1260: # lots of factors. So we need to dynamically build this list.
1261: # To prevent security leaks, states are only added to the wizard
1262: # if they can be reached, which ensures manipulating the form input
1263: # won't allow anyone to reach states they shouldn't have permission
1264: # to reach.
1265:
1266: # printChoices is tracking the kind of printing the user can
1267: # do, and will be used in a choices construction later.
1268: # In the meantime we will be adding states and elements to
1269: # the helper by hand.
1270: my $printChoices = [];
1271: my $paramHash;
1272:
1273: if ($resourceTitle) {
1274: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (what you just saw on the screen)", 'current_document', 'PAGESIZE'];
1275: }
1276:
1277: # $r->print($helper->{VARS}->{'postdata'});
1278:
1279: # Useful filter strings
1280: my $isProblem = '$res->is_problem()';
1281: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1282: my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
1283: my $isNotMap = '!$res->is_map()';
1284: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1285: my $isMap = '$res->is_map()';
1286: my $symbFilter = '$res->symb()';
1287: my $urlValue = '$res->src()';
1288:
1289: $helper->declareVar('SEQUENCE');
1290:
1291: # Useful for debugging: Dump the help vars
1292: #$r->print(Dumper($helper->{VARS}));
1293: #$r->print($map);
1294:
1295: # If we're in a sequence...
1296: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1297: $helper->{VARS}->{'postdata'} &&
1298: $helper->{VARS}->{'assignment'}) {
1299: # Allow problems from sequence
1300: push @{$printChoices}, ["<b>Problems</b> in <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1301: # Allow all resources from sequence
1302: push @{$printChoices}, ["<b>Resources</b> in <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1303:
1304: my $helperFragment = <<HELPERFRAGMENT;
1305: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1306: <message>(mark them then click "next" button) <br /></message>
1307: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1308: <nextstate>PAGESIZE</nextstate>
1309: <filterfunc>return $isProblem;</filterfunc>
1310: <mapurl>$map</mapurl>
1311: <valuefunc>return $symbFilter;</valuefunc>
1312: </resource>
1313: </state>
1314:
1315: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1316: <message>(mark them then click "next" button) <br /></message>
1317: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1318: <nextstate>PAGESIZE</nextstate>
1319: <filterfunc>return $isNotMap;</filterfunc>
1320: <mapurl>$map</mapurl>
1321: <valuefunc>return $symbFilter;</valuefunc>
1322: </resource>
1323: </state>
1324: HELPERFRAGMENT
1325:
1326: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1327: }
1328:
1329: # If the user is priviledged, allow them to print all
1330: # problems in the course, optionally for selected students
1331: if ($userPriviledged && ($helper->{VARS}->{'postdata'}=~/\/res\//)) {
1332: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1333: if ($helper->{VARS}->{'assignment'}) {
1334: push @{$printChoices}, ["<b>Problems</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
1335: }
1336:
1337: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1338: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1339: <message>(mark them then click "next" button) <br /></message>
1340: <resource variable="RESOURCES" multichoice="1"
1341: suppressEmptySequences='1' addstatus="1">
1342: <nextstate>PAGESIZE</nextstate>
1343: <filterfunc>return $isProblemOrMap;</filterfunc>
1344: <choicefunc>return $isProblem;</choicefunc>
1345: <valuefunc>return $symbFilter;</valuefunc>
1346: </resource>
1347: </state>
1348:
1349: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1350: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1351: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1352: <resource variable="RESOURCES" multichoice="1" addstatus="1">
1353: <filterfunc>return $isProblem;</filterfunc>
1354: <mapurl>$map</mapurl>
1355: <valuefunc>return $symbFilter;</valuefunc>
1356: </resource>
1357: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1358: <choices variable="EMPTY_PAGES">
1359: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1360: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1361: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1362: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1363: </choices>
1364: </state>
1365: CHOOSE_STUDENTS
1366:
1367: if ($helper->{VARS}->{'assignment'}) {
1368: push @{$printChoices}, ["<b>Resources</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
1369: }
1370: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
1371: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1372: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1373: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1374: <resource variable="RESOURCES" multichoice="1" addstatus="1">
1375: <filterfunc>return $isNotMap;</filterfunc>
1376: <mapurl>$map</mapurl>
1377: <valuefunc>return $symbFilter;</valuefunc>
1378: </resource>
1379: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1380: <choices variable="EMPTY_PAGES">
1381: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1382: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1383: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1384: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1385: </choices>
1386: </state>
1387: CHOOSE_STUDENTS1
1388:
1389: }
1390:
1391: # FIXME: That RE should come from a library somewhere.
1392: if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $ENV{'request.role.adv'} and $subdir ne '/home/httpd/html/res/') {
1393: push @{$printChoices}, ["<b>Problems</b> from current subdirectory <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1394:
1395: my $f = '$filename';
1396: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1397: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1398: <message>(mark them then click "next" button) <br /></message>
1399: <files variable="FILES" multichoice='1'>
1400: <nextstate>PAGESIZE</nextstate>
1401: <filechoice>return '$subdir';</filechoice>
1402: CHOOSE_FROM_SUBDIR
1403:
1404: # this is broken up because I really want interpolation above,
1405: # and I really DON'T want it below
1406: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1407: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1408: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1409: </filefilter>
1410: </files>
1411: </state>
1412: CHOOSE_FROM_SUBDIR
1413: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1414: }
1415:
1416: # Allow the user to select any sequence in the course, feed it to
1417: # another resource selector for that sequence
1418: if (!$helper->{VARS}->{'construction'}) {
1419: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1420: 'select_sequences', 'CHOOSE_SEQUENCE'];
1421: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
1422: #Escape apostrophes and backslashes for Perl
1423: $escapedSequenceName =~ s/\\/\\\\/g;
1424: $escapedSequenceName =~ s/'/\\'/g;
1425: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1426: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
1427: <message>Select the sequence to print resources from:</message>
1428: <resource variable="SEQUENCE">
1429: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1430: <filterfunc>return \$res->is_sequence;</filterfunc>
1431: <valuefunc>return $urlValue;</valuefunc>
1432: </resource>
1433: </state>
1434: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
1435: <message>(mark desired resources then click "next" button) <br /></message>
1436: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1437: <nextstate>PAGESIZE</nextstate>
1438: <filterfunc>return $isProblem</filterfunc>
1439: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1440: <valuefunc>return $symbFilter;</valuefunc>
1441: </resource>
1442: </state>
1443: CHOOSE_FROM_ANY_SEQUENCE
1444: }
1445:
1446: # Generate the first state, to select which resources get printed.
1447: Apache::lonhelper::state->new("START", "Select Printing Options:");
1448: $paramHash = Apache::lonhelper::getParamHash();
1449: $paramHash->{MESSAGE_TEXT} = "";
1450: Apache::lonhelper::message->new();
1451: $paramHash = Apache::lonhelper::getParamHash();
1452: $paramHash->{'variable'} = 'PRINT_TYPE';
1453: $helper->declareVar('PRINT_TYPE');
1454: $paramHash->{CHOICES} = $printChoices;
1455: Apache::lonhelper::choices->new();
1456:
1457: my $startedTable = 0; # have we started an HTML table yet? (need
1458: # to close it later)
1459:
1460: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1461: ($helper->{VARS}->{'construction'} eq '1')) {
1462: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1463: $paramHash = Apache::lonhelper::getParamHash();
1464: $paramHash->{'variable'} = 'ANSWER_TYPE';
1465: $helper->declareVar('ANSWER_TYPE');
1466: $paramHash->{CHOICES} = [
1467: ['Without Answers', 'yes'],
1468: ['With Answers', 'no'],
1469: ['Only Answers', 'only'] ];
1470: Apache::lonhelper::dropdown->new();
1471: addMessage("</td></tr>");
1472: $startedTable = 1;
1473: }
1474:
1475: if ($ENV{'request.role.adv'}) {
1476: if (!$startedTable) {
1477: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
1478: $startedTable = 1;
1479: } else {
1480: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
1481: }
1482: $paramHash = Apache::lonhelper::getParamHash();
1483: $paramHash->{'variable'} = 'LATEX_TYPE';
1484: $helper->declareVar('LATEX_TYPE');
1485: if ($helper->{VARS}->{'construction'} eq '1') {
1486: $paramHash->{CHOICES} = [
1487: ['standard LaTeX mode', 'standard'],
1488: ['LaTeX batchmode', 'batchmode'], ];
1489: } else {
1490: $paramHash->{CHOICES} = [
1491: ['LaTeX batchmode', 'batchmode'],
1492: ['standard LaTeX mode', 'standard'] ];
1493: }
1494: Apache::lonhelper::dropdown->new();
1495:
1496: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1497: $paramHash = Apache::lonhelper::getParamHash();
1498: $paramHash->{'variable'} = 'TABLE_CONTENTS';
1499: $helper->declareVar('TABLE_CONTENTS');
1500: $paramHash->{CHOICES} = [
1501: ['No', 'no'],
1502: ['Yes', 'yes'] ];
1503: Apache::lonhelper::dropdown->new();
1504: addMessage("</td></tr>");
1505:
1506: if (not $helper->{VARS}->{'construction'}) {
1507: addMessage("<tr><td align='right'>Print Index: </td><td>");
1508: $paramHash = Apache::lonhelper::getParamHash();
1509: $paramHash->{'variable'} = 'TABLE_INDEX';
1510: $helper->declareVar('TABLE_INDEX');
1511: $paramHash->{CHOICES} = [
1512: ['No', 'no'],
1513: ['Yes', 'yes'] ];
1514: Apache::lonhelper::dropdown->new();
1515: addMessage("</td></tr>");
1516: }
1517:
1518: if ($helper->{VARS}->{'construction'}) {
1519: addMessage("<tr><td align='right'>Print With URL: </td><td>");
1520: $paramHash = Apache::lonhelper::getParamHash();
1521: $paramHash->{'variable'} = 'CONSTR_RESOURSE_URL';
1522: $helper->declareVar('CONSTR_RESOURSE_URL');
1523: $paramHash->{CHOICES} = [
1524: ['No', 'no'],
1525: ['Yes', 'yes'] ];
1526: Apache::lonhelper::dropdown->new();
1527: addMessage("</td></tr>");
1528: }
1529: if ($helper->{'VARS'}->{'construction'}) {
1530: my $xmlfrag .= <<'RNDSEED';
1531: <message><tr><td align='right'>Use random seed: </td><td></message>
1532: <string variable="curseed" size="15" maxlength="15">
1533: <defaultvalue>
1534: return $helper->{VARS}->{'curseed'};
1535: </defaultvalue>
1536: </string>
1537: <message></td></tr></message>
1538: RNDSEED
1539: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1540: }
1541: }
1542:
1543: if ($startedTable) {
1544: addMessage("</table>");
1545: }
1546:
1547: Apache::lonprintout::page_format_state->new("FORMAT");
1548:
1549: # Generate the PAGESIZE state which will offer the user the margin
1550: # choices if they select one column
1551: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
1552: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
1553:
1554:
1555: $helper->process();
1556:
1557: # MANUAL BAILOUT CONDITION:
1558: # If we're in the "final" state, bailout and return to handler
1559: if ($helper->{STATE} eq 'FINAL') {
1560: return $helper;
1561: }
1562:
1563: $r->print($helper->display());
1564:
1565: Apache::lonhelper::unregisterHelperTags();
1566:
1567: untie %hash;
1568:
1569: return OK;
1570: }
1571:
1572:
1573: 1;
1574:
1575: package Apache::lonprintout::page_format_state;
1576:
1577: =pod
1578:
1579: =head1 Helper element: page_format_state
1580:
1581: See lonhelper.pm documentation for discussion of the helper framework.
1582:
1583: Apache::lonprintout::page_format_state is an element that gives the
1584: user an opportunity to select the page layout they wish to print
1585: with: Number of columns, portrait/landscape, and paper size. If you
1586: want to change the paper size choices, change the @paperSize array
1587: contents in this package.
1588:
1589: page_format_state is always directly invoked in lonprintout.pm, so there
1590: is no tag interface. You actually pass parameters to the constructor.
1591:
1592: =over 4
1593:
1594: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1595:
1596: =back
1597:
1598: =cut
1599:
1600: use Apache::lonhelper;
1601:
1602: no strict;
1603: @ISA = ("Apache::lonhelper::element");
1604: use strict;
1605:
1606: my $maxColumns = 2;
1607: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1608: "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1609: "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]",
1610: "A5 [148x210 mm]", "A6 [105x148 mm]" );
1611:
1612: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
1613: # Paper type
1614:
1615: sub new {
1616: my $self = Apache::lonhelper::element->new();
1617:
1618: shift;
1619:
1620: $self->{'variable'} = shift;
1621: my $helper = Apache::lonhelper::getHelper();
1622: $helper->declareVar($self->{'variable'});
1623: bless($self);
1624: return $self;
1625: }
1626:
1627: sub render {
1628: my $self = shift;
1629: my $helper = Apache::lonhelper::getHelper();
1630: my $result = '';
1631: my $var = $self->{'variable'};
1632:
1633: $result .= <<STATEHTML;
1634:
1635: <hr width="33%" />
1636: <table cellpadding="3">
1637: <tr>
1638: <td align="center"><b>Page layout</b></td>
1639: <td align="center"><b>Number of columns</b></td>
1640: <td align="center"><b>Paper type</b></td>
1641: </tr>
1642: <tr>
1643: <td>
1644: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
1645: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
1646: </td>
1647: <td align="center">
1648: <select name="${var}.cols">
1649: STATEHTML
1650:
1651: my $i;
1652: for ($i = 1; $i <= $maxColumns; $i++) {
1653: if ($i == 2) {
1654: $result .= "<option value='$i' selected>$i</option>\n";
1655: } else {
1656: $result .= "<option value='$i'>$i</option>\n";
1657: }
1658: }
1659:
1660: $result .= "</select></td><td>\n";
1661: $result .= "<select name='${var}.paper'>\n";
1662:
1663: $i = 0;
1664: foreach (@paperSize) {
1665: if ($i == 0) {
1666: $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
1667: } else {
1668: $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
1669: }
1670: $i++;
1671: }
1672:
1673: $result .= "</select></td></tr></table>";
1674: return $result;
1675: }
1676:
1677: sub postprocess {
1678: my $self = shift;
1679:
1680: my $var = $self->{'variable'};
1681: my $helper = Apache::lonhelper->getHelper();
1682: $helper->{VARS}->{$var} =
1683: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
1684: $ENV{"form.$var.paper"};
1685: return 1;
1686: }
1687:
1688: 1;
1689:
1690: package Apache::lonprintout::page_size_state;
1691:
1692: =pod
1693:
1694: =head1 Helper element: page_size_state
1695:
1696: See lonhelper.pm documentation for discussion of the helper framework.
1697:
1698: Apache::lonprintout::page_size_state is an element that gives the
1699: user the opportunity to further refine the page settings if they
1700: select a single-column page.
1701:
1702: page_size_state is always directly invoked in lonprintout.pm, so there
1703: is no tag interface. You actually pass parameters to the constructor.
1704:
1705: =over 4
1706:
1707: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1708:
1709: =back
1710:
1711: =cut
1712:
1713: use Apache::lonhelper;
1714:
1715: no strict;
1716: @ISA = ("Apache::lonhelper::element");
1717: use strict;
1718:
1719:
1720:
1721: sub new {
1722: my $self = Apache::lonhelper::element->new();
1723:
1724: shift; # disturbs me (probably prevents subclassing) but works (drops
1725: # package descriptor)... - Jeremy
1726:
1727: $self->{'variable'} = shift;
1728: my $helper = Apache::lonhelper::getHelper();
1729: $helper->declareVar($self->{'variable'});
1730:
1731: # The variable name of the format element, so we can look into
1732: # $helper->{VARS} to figure out whether the columns are one or two
1733: $self->{'formatvar'} = shift;
1734:
1735: # The state to transition to after selection, or after discovering
1736: # the cols are not set to 1
1737: $self->{NEXTSTATE} = shift;
1738: bless($self);
1739: return $self;
1740: }
1741:
1742: sub render {
1743: my $self = shift;
1744: my $helper = Apache::lonhelper::getHelper();
1745: my $result = '';
1746: my $var = $self->{'variable'};
1747:
1748: if (defined $self->{ERROR_MSG}) {
1749: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
1750: }
1751:
1752: $result .= <<ELEMENTHTML;
1753:
1754: <p>How should the column be formatted?</p>
1755:
1756: <table cellpadding='3'>
1757: <tr>
1758: <td align='right'><b>Width</b>:</td>
1759: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
1760: <td align='left'>
1761: <select name='$var.widthunit'>
1762: <option>cm</option><option>in</option>
1763: </select>
1764: </td>
1765: </tr>
1766: <tr>
1767: <td align='right'><b>Height</b>:</td>
1768: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
1769: <td align='left'>
1770: <select name='$var.heightunit'>
1771: <option>cm</option><option>in</option>
1772: </select>
1773: </td>
1774: </tr>
1775: <tr>
1776: <td align='right'><b>Left margin</b>:</td>
1777: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
1778: <td align='left'>
1779: <select name='$var.lmarginunit'>
1780: <option>cm</option><option>in</option>
1781: </select>
1782: </td>
1783: </tr>
1784: </table>
1785:
1786: <p>Hint: Some instructors like to leave scratch space for the student by
1787: making the width much smaller then the width of the page.</p>
1788:
1789: ELEMENTHTML
1790:
1791: return $result;
1792: }
1793:
1794: # If the user didn't select 1 column, skip this state.
1795: sub preprocess {
1796: my $self = shift;
1797: my $helper = Apache::lonhelper::getHelper();
1798:
1799: my $format = $helper->{VARS}->{$self->{'formatvar'}};
1800: if (substr($format, 2, 1) ne '1') {
1801: $helper->changeState($self->{NEXTSTATE});
1802: }
1803:
1804: return 1;
1805: }
1806:
1807: sub postprocess {
1808: my $self = shift;
1809:
1810: my $var = $self->{'variable'};
1811: my $helper = Apache::lonhelper->getHelper();
1812: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
1813: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
1814: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
1815: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
1816: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
1817: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
1818:
1819: my $error = '';
1820:
1821: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
1822: # by an optional period, followed by digits, ending the string
1823:
1824: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1825: $error .= "Invalid width; please type only a number.<br />\n";
1826: }
1827: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1828: $error .= "Invalid height; please type only a number.<br />\n";
1829: }
1830: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1831: $error .= "Invalid left margin; please type only a number.<br />\n";
1832: }
1833:
1834: if (!$error) {
1835: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
1836: return 1;
1837: } else {
1838: $self->{ERROR_MSG} = $error;
1839: return 0;
1840: }
1841: }
1842:
1843:
1844:
1845: __END__
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