1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.225 2003/09/02 20:58:31 bowersj2 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: # (Internal Server Error Handler
29: #
30: # (Login Screen
31: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
32: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
33: #
34: # 3/1/1 Gerd Kortemeyer)
35: #
36: # 3/1 Gerd Kortemeyer
37: #
38: # 9/17 Alex Sakharuk
39: #
40: package Apache::lonprintout;
41:
42: use strict;
43: use Apache::Constants qw(:common :http);
44: use Apache::lonxml;
45: use Apache::lonnet;
46: use Apache::loncommon;
47: use Apache::inputtags;
48: use Apache::grades;
49: use Apache::edit;
50: use Apache::File();
51: use Apache::lonnavmaps;
52: use POSIX qw(strftime);
53: use GDBM_File;
54:
55:
56: my %hash;
57: my $LaTeXwidth = 0;
58:
59:
60: sub latex_header_footer_remove {
61: my $text = shift;
62: $text =~ s/\\end{document}//;
63: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
64: return $text;
65: }
66:
67:
68: sub character_chart {
69: my $result = shift;
70: $result =~ s/&\#0?0?(7|9);//g;
71: $result =~ s/&\#0?(10|13);//g;
72: $result =~ s/&\#0?32;/ /g;
73: $result =~ s/&\#0?33;/!/g;
74: $result =~ s/&(\#0?34|quot);/\"/g;
75: $result =~ s/&\#0?35;/\\\#/g;
76: $result =~ s/&\#0?36;/\\\$/g;
77: $result =~ s/&\#0?37;/\\%/g;
78: $result =~ s/&(\#0?38|amp);/\\&/g;
79: $result =~ s/&\#(0?39|146);/\'/g;
80: $result =~ s/&\#0?40;/(/g;
81: $result =~ s/&\#0?41;/)/g;
82: $result =~ s/&\#0?42;/\*/g;
83: $result =~ s/&\#0?43;/\+/g;
84: $result =~ s/&\#(0?44|130);/,/g;
85: $result =~ s/&\#0?45;/-/g;
86: $result =~ s/&\#0?46;/\./g;
87: $result =~ s/&\#0?47;/\//g;
88: $result =~ s/&\#0?48;/0/g;
89: $result =~ s/&\#0?49;/1/g;
90: $result =~ s/&\#0?50;/2/g;
91: $result =~ s/&\#0?51;/3/g;
92: $result =~ s/&\#0?52;/4/g;
93: $result =~ s/&\#0?53;/5/g;
94: $result =~ s/&\#0?54;/6/g;
95: $result =~ s/&\#0?55;/7/g;
96: $result =~ s/&\#0?56;/8/g;
97: $result =~ s/&\#0?57;/9/g;
98: $result =~ s/&\#0?58;/:/g;
99: $result =~ s/&\#0?59;/;/g;
100: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
101: $result =~ s/&\#0?61;/\$=\$/g;
102: $result =~ s/&(\#0?62|gt|\#155);/\$>\$/g;
103: $result =~ s/&\#0?63;/\?/g;
104: $result =~ s/&\#0?65;/A/g;
105: $result =~ s/&\#0?66;/B/g;
106: $result =~ s/&\#0?67;/C/g;
107: $result =~ s/&\#0?68;/D/g;
108: $result =~ s/&\#0?69;/E/g;
109: $result =~ s/&\#0?70;/F/g;
110: $result =~ s/&\#0?71;/G/g;
111: $result =~ s/&\#0?72;/H/g;
112: $result =~ s/&\#0?73;/I/g;
113: $result =~ s/&\#0?74;/J/g;
114: $result =~ s/&\#0?75;/K/g;
115: $result =~ s/&\#0?76;/L/g;
116: $result =~ s/&\#0?77;/M/g;
117: $result =~ s/&\#0?78;/N/g;
118: $result =~ s/&\#0?79;/O/g;
119: $result =~ s/&\#0?80;/P/g;
120: $result =~ s/&\#0?81;/Q/g;
121: $result =~ s/&\#0?82;/R/g;
122: $result =~ s/&\#0?83;/S/g;
123: $result =~ s/&\#0?84;/T/g;
124: $result =~ s/&\#0?85;/U/g;
125: $result =~ s/&\#0?86;/V/g;
126: $result =~ s/&\#0?87;/W/g;
127: $result =~ s/&\#0?88;/X/g;
128: $result =~ s/&\#0?89;/Y/g;
129: $result =~ s/&\#0?90;/Z/g;
130: $result =~ s/&\#0?91;/[/g;
131: $result =~ s/&\#0?92;/\$\\setminus\$/g;
132: $result =~ s/&\#0?93;/]/g;
133: $result =~ s/&\#(0?94|136);/\$\\wedge\$/g;
134: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
135: $result =~ s/&\#(0?96|145);/\`/g;
136: $result =~ s/&\#0?97;/a/g;
137: $result =~ s/&\#0?98;/b/g;
138: $result =~ s/&\#0?99;/c/g;
139: $result =~ s/&\#100;/d/g;
140: $result =~ s/&\#101;/e/g;
141: $result =~ s/&\#102;/f/g;
142: $result =~ s/&\#103;/g/g;
143: $result =~ s/&\#104;/h/g;
144: $result =~ s/&\#105;/i/g;
145: $result =~ s/&\#106;/j/g;
146: $result =~ s/&\#107;/k/g;
147: $result =~ s/&\#108;/l/g;
148: $result =~ s/&\#109;/m/g;
149: $result =~ s/&\#110;/n/g;
150: $result =~ s/&\#111;/o/g;
151: $result =~ s/&\#112;/p/g;
152: $result =~ s/&\#113;/q/g;
153: $result =~ s/&\#114;/r/g;
154: $result =~ s/&\#115;/s/g;
155: $result =~ s/&\#116;/t/g;
156: $result =~ s/&\#117;/u/g;
157: $result =~ s/&\#118;/v/g;
158: $result =~ s/&\#119;/w/g;
159: $result =~ s/&\#120;/x/g;
160: $result =~ s/&\#121;/y/g;
161: $result =~ s/&\#122;/z/g;
162: $result =~ s/&\#123;/\\{/g;
163: $result =~ s/&\#124;/\|/g;
164: $result =~ s/&\#125;/\\}/g;
165: $result =~ s/&\#126;/\~/g;
166: $result =~ s/&\#131;/\\textflorin /g;
167: $result =~ s/&\#132;/\"/g;
168: $result =~ s/&\#133;/\$\\ldots\$/g;
169: $result =~ s/&\#134;/\$\\dagger\$/g;
170: $result =~ s/&\#135;/\$\\ddagger\$/g;
171: $result =~ s/&\#137;/\\textperthousand /g;
172: $result =~ s/&\#140;/{\\OE}/g;
173: $result =~ s/&\#147;/\`\`/g;
174: $result =~ s/&\#148;/\'\'/g;
175: $result =~ s/&\#149;/\$\\bullet\$/g;
176: $result =~ s/&\#150;/--/g;
177: $result =~ s/&\#151;/---/g;
178: $result =~ s/&\#152;/\$\\sim\$/g;
179: $result =~ s/&\#153;/\\texttrademark /g;
180: $result =~ s/&\#156;/\\oe/g;
181: $result =~ s/&\#159;/\\\"Y/g;
182: $result =~ s/&(\#160|nbsp);//g;
183: $result =~ s/&(\#161|iexcl);/!\`/g;
184: $result =~ s/&(\#162|cent);/\\textcent /g;
185: $result =~ s/&(\#163|pound);/\\pounds /g;
186: $result =~ s/&(\#164|curren);/\\textcurrency /g;
187: $result =~ s/&(\#165|yen);/\\textyen /g;
188: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
189: $result =~ s/&(\#167|sect);/\\textsection /g;
190: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
191: $result =~ s/&(\#169|copy);/\\copyright /g;
192: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
193: $result =~ s/&(\#172|not);/\$\\neg\$/g;
194: $result =~ s/&(\#173|shy);/ - /g;
195: $result =~ s/&(\#174|reg);/\\textregistered /g;
196: $result =~ s/&(\#175|macr);/\$^{-}\$/g;
197: $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g;
198: $result =~ s/&(\#177|plusmn);/\$\\pm\$/g;
199: $result =~ s/&(\#178|sup2);/\$^2\$/g;
200: $result =~ s/&(\#179|sup3);/\$^3\$/g;
201: $result =~ s/&(\#180|acute);/\\textacute /g;
202: $result =~ s/&(\#181|micro);/\$\\mu\$/g;
203: $result =~ s/&(\#182|para);/\\P/g;
204: $result =~ s/&(\#183|middot);/\$\\cdot\$/g;
205: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
206: $result =~ s/&(\#185|sup1);/\$^1\$/g;
207: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
208: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
209: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
210: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
211: $result =~ s/&(\#191|iquest);/?\`/g;
212: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
213: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
214: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
215: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
216: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
217: $result =~ s/&(\#197|Aring);/{\\AA}/g;
218: $result =~ s/&(\#198|AElig);/{\\AE}/g;
219: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
220: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
221: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
222: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
223: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
224: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
225: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
226: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
227: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
228: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
229: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
230: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
231: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
232: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
233: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
234: $result =~ s/&(\#215|times);/\$\\times\$/g;
235: $result =~ s/&(\#216|Oslash);/{\\O}/g;
236: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
237: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
238: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
239: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
240: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
241: $result =~ s/&(\#223|szlig);/\\ss/g;
242: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
243: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
244: $result =~ s/&(\#226|acirc);/\\^{a}/g;
245: $result =~ s/&(\#227|atilde);/\\~{a}/g;
246: $result =~ s/&(\#228|auml);/\\\"{a}/g;
247: $result =~ s/&(\#229|aring);/{\\aa}/g;
248: $result =~ s/&(\#230|aelig);/{\\ae}/g;
249: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
250: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
251: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
252: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
253: $result =~ s/&(\#235|euml);/\\\"{e}/g;
254: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
255: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
256: $result =~ s/&(\#238|icirc);/\\^{i}/g;
257: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
258: $result =~ s/&(\#240|eth);/\$\\partial\$/g;
259: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
260: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
261: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
262: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
263: $result =~ s/&(\#245|otilde);/\\~{o}/g;
264: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
265: $result =~ s/&(\#247|divide);/\$\\div\$/g;
266: $result =~ s/&(\#248|oslash);/{\\o}/g;
267: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
268: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
269: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
270: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
271: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
272: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
273: $result =~ s/&\#952;/\$\\theta\$/g;
274: #Greek Alphabet
275: $result =~ s/&(alpha|\#945);/\$\\alpha \$/g;
276: $result =~ s/&(beta|\#946);/\$\\beta \$/g;
277: $result =~ s/&(gamma|\#947);/\$\\gamma \$/g;
278: $result =~ s/&(delta|\#948);/\$\\delta \$/g;
279: $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g;
280: $result =~ s/&(zeta|\#950);/\$\\zeta \$/g;
281: $result =~ s/&(eta|\#951);/\$\\eta \$/g;
282: $result =~ s/&(theta|\#952);/\$\\theta \$/g;
283: $result =~ s/&(iota|\#953);/\$\\iota \$/g;
284: $result =~ s/&(kappa|\#954);/\$\\kappa \$/g;
285: $result =~ s/&(lambda|\#955);/\$\\lambda \$/g;
286: $result =~ s/&(mu|\#956);/\$\\mu \$/g;
287: $result =~ s/&(nu|\#957);/\$\\nu \$/g;
288: $result =~ s/&(xi|\#958);/\$\\xi \$/g;
289: $result =~ s/&(omicron|\#959);/o/g;
290: $result =~ s/&(pi|\#960);/\$\\pi \$/g;
291: $result =~ s/&(rho|\#961);/\$\\rho \$/g;
292: $result =~ s/&(sigma|\#963);/\$\\sigma \$/g;
293: $result =~ s/&(tau|\#964);/\$\\tau \$/g;
294: $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g;
295: $result =~ s/&(phi|\#966);/\$\\phi \$/g;
296: $result =~ s/&(chi|\#967);/\$\\chi \$/g;
297: $result =~ s/&(psi|\#968);/\$\\psi \$/g;
298: $result =~ s/&(omega|\#969);/\$\\omega \$/g;
299: $result =~ s/&(thetasym|\#977);/\$\\vartheta \$/g;
300: $result =~ s/&(piv|\#982);/\$\\varpi \$/g;
301: $result =~ s/&(Alpha|\#913);/A/g;
302: $result =~ s/&(Beta|\#914);/B/g;
303: $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g;
304: $result =~ s/&(Delta|\#916);/\$\\Delta \$/g;
305: $result =~ s/&(Epsilon|\#917);/E/g;
306: $result =~ s/&(Zeta|\#918);/Z/g;
307: $result =~ s/&(Eta|\#919);/H/g;
308: $result =~ s/&(Theta|\#920);/\$\\Theta \$/g;
309: $result =~ s/&(Iota|\#921);/I/g;
310: $result =~ s/&(Kappa|\#922);/K/g;
311: $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g;
312: $result =~ s/&(Mu|\#924);/M/g;
313: $result =~ s/&(Nu|\#925);/N/g;
314: $result =~ s/&(Xi|\#926);/\$\\Xi \$/g;
315: $result =~ s/&(Omicron|\#927);/O/g;
316: $result =~ s/&(Pi|\#928);/\$\\Pi \$/g;
317: $result =~ s/&(Rho|\#929);/P/g;
318: $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g;
319: $result =~ s/&(Tau|\#932);/T/g;
320: $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g;
321: $result =~ s/&(Phi|\#934);/\$\\Phi \$/g;
322: $result =~ s/&(Chi|\#935);/X/g;
323: $result =~ s/&(Psi|\#936);/\$\\Psi \$/g;
324: $result =~ s/&(Omega|\#937);/\$\\Omega \$/g;
325: #Arrows (extended HTML 4.01)
326: $result =~ s/&(larr|\#8592);/\$\\leftarrow \$/g;
327: $result =~ s/&(uarr|\#8593);/\$\\uparrow \$/g;
328: $result =~ s/&(rarr|\#8594);/\$\\rightarrow \$/g;
329: $result =~ s/&(darr|\#8595);/\$\\downarrow \$/g;
330: $result =~ s/&(harr|\#8596);/\$\\leftrightarrow \$/g;
331: $result =~ s/&(lArr|\#8656);/\$\\Leftarrow \$/g;
332: $result =~ s/&(uArr|\#8657);/\$\\Uparrow \$/g;
333: $result =~ s/&(rArr|\#8658);/\$\\Rightarrow \$/g;
334: $result =~ s/&(dArr|\#8659);/\$\\Downarrow \$/g;
335: $result =~ s/&(hArr|\#8660);/\$\\Leftrightarrow \$/g;
336: #Mathematical Operators (extended HTML 4.01)
337: $result =~ s/&(forall|\#8704);/\$\\forall \$/g;
338: $result =~ s/&(part|\#8706);/\$\\partial \$/g;
339: $result =~ s/&(exist|\#8707);/\$\\exists \$/g;
340: $result =~ s/&(empty|\#8709);/\$\\emptyset \$/g;
341: $result =~ s/&(nabla|\#8711);/\$\\nabla \$/g;
342: $result =~ s/&(isin|\#8712);/\$\\in \$/g;
343: $result =~ s/&(notin|\#8713);/\$\\notin \$/g;
344: $result =~ s/&(ni|\#8715);/\$\\ni \$/g;
345: $result =~ s/&(prod|\#8719);/\$\\prod \$/g;
346: $result =~ s/&(sum|\#8721);/\$\\sum \$/g;
347: $result =~ s/&(minus|\#8722);/\$-\$/g;
348: $result =~ s/&(lowast|\#8727);/\$*\$/g;
349: $result =~ s/&(radic|\#8730);/\$\\surd \$/g;
350: $result =~ s/&(prop|\#8733);/\$\\propto \$/g;
351: $result =~ s/&(infin|\#8734);/\$\\infty \$/g;
352: $result =~ s/&(ang|\#8736);/\$\\angle \$/g;
353: $result =~ s/&(and|\#8743);/\$\\wedge \$/g;
354: $result =~ s/&(or|\#8744);/\$\\vee \$/g;
355: $result =~ s/&(cap|\#8745);/\$\\cap \$/g;
356: $result =~ s/&(cup|\#8746);/\$\\cup \$/g;
357: $result =~ s/&(int|\#8747);/\$\\int \$/g;
358: $result =~ s/&(sim|\#8764);/\$\\sim \$/g;
359: $result =~ s/&(cong|\#8773);/\$\\cong \$/g;
360: $result =~ s/&(asymp|\#8776);/\$\\approx \$/g;
361: $result =~ s/&(ne|\#8800);/\$\\not= \$/g;
362: $result =~ s/&(equiv|\#8801);/\$\\equiv \$/g;
363: $result =~ s/&(le|\#8804);/\$\\leq \$/g;
364: $result =~ s/&(ge|\#8805);/\$\\geq \$/g;
365: $result =~ s/&(sub|\#8834);/\$\\subset \$/g;
366: $result =~ s/&(sup|\#8835);/\$\\supset \$/g;
367: $result =~ s/&(nsub|\#8836);/\$\\not\\subset \$/g;
368: $result =~ s/&(sube|\#8838);/\$\\subseteq \$/g;
369: $result =~ s/&(supe|\#8839);/\$\\supseteq \$/g;
370: $result =~ s/&(oplus|\#8853);/\$\\oplus \$/g;
371: $result =~ s/&(otimes|\#8855);/\$\\otimes \$/g;
372: $result =~ s/&(perp|\#8869);/\$\\perp \$/g;
373: $result =~ s/&(sdot|\#8901);/\$\\cdot \$/g;
374: #Geometric Shapes (extended HTML 4.01)
375: $result =~ s/&(loz|\#9674);/\$\\Diamond \$/g;
376: #Miscellaneous Symbols (extended HTML 4.01)
377: $result =~ s/&(spades|\#9824);/\$\\spadesuit \$/g;
378: $result =~ s/&(clubs|\#9827);/\$\\clubsuit \$/g;
379: $result =~ s/&(hearts|\#9829);/\$\\heartsuit \$/g;
380: $result =~ s/&(diams|\#9830);/\$\\diamondsuit \$/g;
381: return $result;
382: }
383:
384:
385: sub page_format {
386: #
387: #Correspondence between $papersize variable and real paper format:
388: # 0 - "Letter [8 1/2x11 in]"
389: # 1 - "Legal [8 1/2x14 in]"
390: # 2 - "Ledger/Tabloid [11x17 in]"
391: # 3 - "Executive [7 1/2x10 in]"
392: # 4 - "A2 [420x594 mm]"
393: # 5 - "A3 [297x420 mm]"
394: # 6 - "A4 [210x297 mm]"
395: # 7 - "A5 [148x210 mm]"
396: # 8 - "A6 [105x148 mm]"
397: #
398: my ($papersize,$layout,$numberofcolumns) = @_;
399: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = (0,0,0,0,0);
400: if ($papersize eq '0') {
401: if ($layout eq 'book') {
402: if ($numberofcolumns == 1) {
403: $textwidth = '7.1 in'; #'18 cm';
404: $textheight = '10.2 in'; #'25.9 cm';
405: $oddoffset = '-0.57 in';
406: $evenoffset = '-0.57 in';
407: } elsif ($numberofcolumns == 2) {
408: $textwidth = '3.66 in'; #'93 mm';
409: $textheight = '10.2 in'; #'25.9 cm';
410: $oddoffset = '-0.57 in';
411: $evenoffset = '-0.57 in';
412: }
413: } elsif ($layout eq 'album') {
414: if ($numberofcolumns eq '1') {
415: $textwidth = '8.8 in';
416: $textheight = '6.8 in';
417: $oddoffset = '-40 pt';
418: $evenoffset = '-60 pt';
419: } elsif ($numberofcolumns == 2) {
420: $textwidth = '4.4 in';
421: $textheight = '6.8 in';
422: $oddoffset = '-0.5 in';
423: $evenoffset = '-1.5 in';
424: $topmargin = '3.5 in';
425: }
426: }
427: # } elsif($papersize eq '1') {
428: # } elsif($papersize eq '2') {
429: # } elsif($papersize eq '3'/) {
430: } elsif($papersize eq '6') {
431: if ($layout eq 'book') {
432: if ($numberofcolumns == 1) {
433: $textwidth = '18 cm';
434: $textheight = '28 cm';
435: $oddoffset = '-0.57 in';
436: $evenoffset = '-0.57 in';
437: } elsif ($numberofcolumns == 2) {
438: $textwidth = '96 mm';
439: $textheight = '2 cm';
440: $oddoffset = '-0.57 in';
441: $evenoffset = '-0.57 in';
442: }
443: } elsif ($layout eq 'album') {
444: if ($numberofcolumns eq '1') {
445: $textwidth = '8.5 in';
446: $textheight = '7.7 in';
447: $oddoffset = '-40 pt';
448: $evenoffset = '-60 pt';
449: } elsif ($numberofcolumns == 2) {
450: $textwidth = '3.9 in';
451: $textheight = '7.7 in';
452: $oddoffset = '-40 pt';
453: $evenoffset = '-60 pt';
454: }
455: }
456: # } elsif($papersize eq '5') {
457: # } elsif($papersize eq '4') {
458: # } elsif($papersize eq '7') {
459: # } elsif($papersize eq '8') {
460: }
461: return $textwidth,$textheight,$oddoffset,$evenoffset,$topmargin;
462: }
463:
464:
465: sub get_name {
466: my ($uname,$udom)=@_;
467: if (!defined($uname)) { $uname=$ENV{'user.name'}; }
468: if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
469: my $plainname=&Apache::loncommon::plainname($uname,$udom);
470: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
471: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
472: return $plainname;
473: }
474:
475: sub get_course {
476: my $courseidinfo;
477: if (defined($ENV{'request.course.id'})) {
478: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
479: }
480: return $courseidinfo;
481: }
482:
483: sub page_format_transformation {
484: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist) = @_;
485: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
486: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
487: if ($numberofcolumns != 1) {
488: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
489: } else {
490: ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'});
491: }
492: my $name = &get_name();
493: my $courseidinfo = &get_course();
494: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
495: if ($layout eq 'album') {
496: my $topmargintoinsert = '';
497: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
498: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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} /;
499: } elsif ($layout eq 'book') {
500: if ($choice ne 'All class print') {
501: $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}/;
502: } else {
503: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /;
504: }
505: }
506: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
507: if ($indexlist eq 'yes') {
508: $text=~s/(\\begin{document})/\\makeindex $1/;
509: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
510: }
511: return $text;
512: }
513:
514:
515: sub page_cleanup {
516: my $result = shift;
517:
518: $result =~ m/\\end{document}(\d*)$/;
519: my $number_of_columns = $1;
520: my $insert = '{';
521: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
522: $insert .= '}';
523: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
524: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
525: return $result,$number_of_columns;
526: }
527:
528:
529: sub details_for_menu {
530:
531: my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
532: my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
533: my ($map,$id,$resource)=split(/___/,$symbolic);
534: $map=&Apache::lonnet::clutter($map);
535: my $name_of_sequence;
536: $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}};
537: if ($name_of_sequence =~ /^\s*$/) {
538: $map =~ m|([^/]+)$|;
539: $name_of_sequence = $1;
540: }
541: my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}};
542: if ($name_of_map =~ /^\s*$/) {
543: $ENV{'request.course.uri'} =~ m|([^/]+)$|;
544: $name_of_map = $1;
545: }
546: return ($name_of_resourse,$name_of_sequence,$name_of_map);
547:
548: }
549:
550:
551: sub latex_corrections {
552:
553: my ($number_of_columns,$result) = @_;
554:
555: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
556: $result =~ s/\$number_of_columns/$number_of_columns/g;
557: $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/;
558: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
559: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
560: #-- LaTeX corrections
561: my $first_comment = index($result,'<!--',0);
562: while ($first_comment != -1) {
563: my $end_comment = index($result,'-->',$first_comment);
564: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
565: $first_comment = index($result,'<!--',$first_comment);
566: }
567: $result =~ s/^\s+$//gm; #remove empty lines
568: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
569: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
570: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
571: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
572: $result =~ s/\\\\\s+\[/ \[/g;
573: $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
574: #conversion of html characters to LaTeX equivalents
575: if ($result =~ m/&(\w+|#\d+);/) {
576: $result = &character_chart($result);
577: }
578: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
579: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
580:
581: return $result;
582: }
583:
584:
585: sub index_table {
586: my $currentURL = shift;
587: my $insex_string='';
588: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
589: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
590: return $insex_string;
591: }
592:
593:
594: sub IndexCreation {
595: my ($texversion,$currentURL)=@_;
596: my @key_words=split(/,/,&index_table($currentURL));
597: my $chunk='';
598: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
599: if ($st>0) {
600: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
601: $chunk=substr($texversion,0,$st+1);
602: substr($texversion,0,$st+1)=' ';
603: }
604: foreach my $key_word (@key_words) {
605: if ($key_word=~/\S+/) {
606: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
607: }
608: }
609: if ($st>0) {substr($texversion,0,1)=$chunk;}
610: return $texversion;
611: }
612:
613:
614: sub output_data {
615: my ($r,$helper,$rparmhash) = @_;
616: my %parmhash = %$rparmhash;
617: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
618: $r->print(<<ENDPART);
619: <html>
620: <head>
621: <title>LON-CAPA output for printing</title>
622: </head>
623: $bodytag
624: Please stand by while processing your print request, this may take some time ...
625: ENDPART
626:
627: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
628: my ($result,$selectionmade) = ('','');
629: my $number_of_columns = 1; #used only for pages to determine the width of the cell
630: my @temporary_array=split /\|/,$format_from_helper;
631: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
632: if ($laystyle eq 'L') {
633: $laystyle='album';
634: } else {
635: $laystyle='book';
636: }
637: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
638: my $assignment = $ENV{'form.assignment'};
639: my $LaTeXwidth;
640: if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
641: $LaTeXwidth = $1*10;
642: } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
643: $LaTeXwidth = $1;
644: } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
645: $LaTeXwidth = $1*25.4;
646: }
647: $LaTeXwidth.=' mm';
648:
649: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
650: #-- single document - problem, page, html, xml, ...
651: my $currentURL;
652: if ($helper->{'VARS'}->{'construction'} ne '1') {
653: #prints published resource
654: $currentURL=$helper->{'VARS'}->{'postdata'};
655: } else {
656: #prints resource from the construction space
657: $currentURL=$helper->{'VARS'}->{'filename'};
658: $currentURL=~s/\/home\//\/~/;
659: $currentURL=~s/public_html\///;
660: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
661: }
662: $selectionmade = 1;
663: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
664: my %moreenv;
665: $moreenv{'request.filename'}=$currentURL;
666: my %form;
667: $form{'grade_target'}='tex';
668: $form{'textwidth'}=$LaTeXwidth;
669: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
670: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
671: my $rndseed=time;
672: $form{'rndseed'}=$rndseed;
673: &Apache::lonnet::appenv(%moreenv);
674: &Apache::lonnet::delenv('form.counter');
675: &Apache::lonxml::init_counter();
676: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
677: &Apache::lonnet::delenv('form.counter');
678: &Apache::lonnet::delenv('request.filename');
679: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
680: my %form;
681: $form{'grade_target'}='answer';
682: $form{'answer_output_mode'}='tex';
683: $form{'rndseed'}=$rndseed;
684: my $answer=&Apache::lonnet::ssi($currentURL,%form);
685: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
686: }
687: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
688: $texversion=&IndexCreation($texversion,$currentURL);
689: }
690: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
691: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
692:
693: }
694: $result .= $texversion;
695: if ($currentURL=~m/\.page\s*$/) {
696: ($result,$number_of_columns) = &page_cleanup($result);
697: }
698: } else {
699: $result='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
700: if ($currentURL=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
701: $result.=$1;
702: } elsif ($currentURL=~/\/ext\//) {
703: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
704: } else {
705: $result.=$currentURL;
706: }
707: $result.=' \end{document}'
708: }
709: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
710: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
711: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')) {
712: #-- produce an output string
713: my %form=();
714: $form{'grade_target'}='tex';
715: $form{'textwidth'}=$LaTeXwidth;
716: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
717: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
718: my $flag_latex_header_remove = 'NO';
719: my $flag_page_in_sequence = 'NO';
720: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
721: my $prevassignment='';
722: &Apache::lonnet::delenv('form.counter');
723: &Apache::lonxml::init_counter();
724: for (my $i=0;$i<=$#master_seq;$i++) {
725: $master_seq[$i]=~/___\d+___(.*)$/;
726: my $urlp='/res/'.$1;
727: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
728: $selectionmade = 2;
729: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
730: $selectionmade = 3;
731: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
732: $selectionmade = 4;
733: }
734: $form{'symb'}=$master_seq[$i];
735: $master_seq[$i]=~/(.*)___\d*___/;
736: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($1),'header'); #tittle of the assignment which contains this problem
737: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
738: my $texversion=&Apache::lonnet::ssi($urlp,%form);
739: if ($urlp=~/\.page$/) {
740: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
741: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
742: $texversion =~ s/\\end{document}\d*/\\end{document}/;
743: $flag_page_in_sequence = 'YES';
744: }
745: if ($flag_latex_header_remove ne 'NO') {
746: $texversion = &latex_header_footer_remove($texversion);
747: } else {
748: $texversion =~ s/\\end{document}//;
749: }
750: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
751: my %form;
752: $form{'grade_target'}='answer';
753: $form{'answer_output_mode'}='tex';
754: my $answer=&Apache::lonnet::ssi($urlp,%form);
755: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
756: }
757: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
758: $texversion=&IndexCreation($texversion,$urlp);
759: }
760: if (($selectionmade == 4) and ($assignment ne $prevassignment) and ($i>=1)) {
761: my ($name,$courseidinfo) = &get_name;
762: $courseidinfo = &get_course();
763: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
764: $prevassignment=$assignment;
765: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
766: }
767: $result .= $texversion;
768: $flag_latex_header_remove = 'YES';
769: }
770: &Apache::lonnet::delenv('form.counter');
771: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
772: $result .= '\end{document}';
773: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
774: #-- prints assignments for whole class or for selected students
775: $selectionmade=5;
776: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
777: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
778: #loop over students
779: my $flag_latex_header_remove = 'NO';
780: my %moreenv;
781: $moreenv{'form.textwidth'}=$LaTeXwidth;
782: &Apache::lonnet::appenv(%moreenv);
783: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
784: foreach my $person (@students) {
785: my $current_output = '';
786: # my ($usersection,$username,$userdomain) = split /:/,$person;
787: my ($username,$userdomain) = split /:/,$person;
788: my $fullname = &get_name($username,$userdomain);
789:
790: if ($parmhash{'anonymous_quiz'}=~/yes/) {$fullname=' ';} #put here something reasonable for anonymous exams or quiz
791: #goes through all resources, checks if they are available for current student, and produces output
792: &Apache::lonnet::delenv('form.counter');
793: &Apache::lonxml::init_counter();
794: foreach my $curresline (@master_seq) {
795: if ($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) {
796: my ($map,$id,$res_url) = split(/___/,$curresline);
797: if (&Apache::lonnet::allowed('bre',$res_url)) {
798: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,
799: $ENV{'request.course.id'},'tex');
800: if ($flag_latex_header_remove eq 'YES') {
801: $rendered = &latex_header_footer_remove($rendered);
802: } else {
803: $rendered =~ s/\\end{document}//;
804: }
805: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
806: my %form;
807: $form{'answer_output_mode'}='tex';
808: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
809: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
810: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
811: }
812: $current_output .= $rendered;
813: }
814: $flag_latex_header_remove = 'YES';
815: }
816: }
817: my $courseidinfo = &get_course();
818: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
819: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
820: if ($current_output=~/\\documentclass/) {
821: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
822: } else {
823: my $blanspages = '';
824: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
825: $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$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;
826: }
827: $result .= $current_output;
828: &Apache::lonnet::delenv('form.counter');
829: &Apache::lonxml::init_counter();
830: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
831: 'last student '.$fullname);
832: }
833: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
834: $result .= '\end{document}';
835: &Apache::lonnet::delenv('form.textwidth');
836: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
837: #prints selected problems from the subdirectory
838: $selectionmade = 6;
839: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
840: @list_of_files=sort @list_of_files;
841: my $flag_latex_header_remove = 'NO';
842: my $rndseed=time;
843: for (my $i=0;$i<=$#list_of_files;$i++) {
844: my $urlp = $list_of_files[$i];
845: if ($urlp=~/\//) {
846: my %form;
847: $form{'grade_target'}='tex';
848: $form{'textwidth'}=$LaTeXwidth;
849: $form{'rndseed'}=$rndseed;
850: if ($urlp =~ m|/home/([^/]+)/public_html|) {
851: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
852: } else {
853: $urlp =~ s|^/home/httpd/html||;
854: }
855: my $texversion=&Apache::lonnet::ssi($urlp,%form);
856: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
857: my %form;
858: $form{'grade_target'}='answer';
859: $form{'answer_output_mode'}='tex';
860: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
861: $form{'rndseed'}=$rndseed;
862: my $answer=&Apache::lonnet::ssi($urlp,%form);
863: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
864: }
865: #this chunck is responsible for printing the path to problem
866: my $newurlp = '';
867: my $HowMany = length($urlp)*2;
868: if ($HowMany > $LaTeXwidth) {
869: my @temporrary = split '/',$urlp;
870: my $HowManyNew = 0;
871: for (my $ii=0;$ii<=$#temporrary;$ii++) {
872: if ($temporrary[$ii] ne '') {
873: $HowManyNew += length($temporrary[$ii])*2;
874: if ($HowManyNew < $LaTeXwidth ) {
875: $newurlp .= '/'.$temporrary[$ii];
876: } else {
877: $HowManyNew = 0;
878: $newurlp .= '|\vskip -1 mm \noindent \verb|';
879: $ii--;
880: }
881: }
882: }
883: }
884: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 {\\small\\noindent\\verb|$newurlp\|\\vskip 0 mm}/;
885: if ($flag_latex_header_remove ne 'NO') {
886: $texversion = &latex_header_footer_remove($texversion);
887: } else {
888: $texversion =~ s/\\end{document}//;
889: }
890: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
891: $texversion=&IndexCreation($texversion,$urlp);
892: }
893: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
894: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
895:
896: }
897: $result .= $texversion;
898: }
899: $flag_latex_header_remove = 'YES';
900: }
901: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
902: $result .= '\end{document}';
903: }
904: #-------------------------------------------------------- corrections for the different page formats
905: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'});
906: $result = &latex_corrections($number_of_columns,$result);
907: #changes page's parameters for the one column output
908: if ($numberofcolumns == 1) {
909: $result =~ s/\\textwidth= 9cm/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
910: $result =~ s/\\textheight 25\.9cm/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
911: $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
912: $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
913: }
914: if ($helper->{'VARS'}->{'TABLE_CONTENTS'} eq 'yes') {$selectionmade*=10;}
915: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
916: if ($selectionmade<10) {$selectionmade*=100;} else {$selectionmade*=10;}
917: }
918: if ($ENV{'request.role.adv'}) {$selectionmade*=10000;}
919: #-- writing .tex file in prtspool
920: my $temp_file;
921: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
922: unless ($temp_file = Apache::File->new('>'.$filename)) {
923: $r->log_error("Couldn't open $filename for output $!");
924: return SERVER_ERROR;
925: }
926: print $temp_file $result;
927:
928: $r->print(<<FINALEND);
929: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
930: </body>
931: </html>
932: FINALEND
933: }
934:
935:
936:
937: sub handler {
938:
939: my $r = shift;
940: my $helper;
941:
942: # my $loaderror=&Apache::lonnet::overloaderror($r);
943: # if ($loaderror) { return $loaderror; }
944: # $loaderror=
945: # &Apache::lonnet::overloaderror($r,
946: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
947: # if ($loaderror) { return $loaderror; }
948:
949: my $result = printHelper($r);
950: if (!ref($result)) {
951: return $result;
952: }
953: $helper = $result;
954:
955: # my $key;
956: # foreach $key (keys %{$helper->{'VARS'}}) {
957: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
958: # }
959: # return OK;
960:
961: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
962:
963: # my $key;
964: # foreach $key (keys %parmhash) {
965: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
966: # }
967: # return OK;
968:
969: &output_data($r,$helper,\%parmhash);
970: return OK;
971: }
972:
973: use Apache::lonhelper;
974:
975: sub addMessage {
976: my $text = shift;
977: my $paramHash = Apache::lonhelper::getParamHash();
978: $paramHash->{MESSAGE_TEXT} = $text;
979: Apache::lonhelper::message->new();
980: }
981:
982: sub printHelper {
983: my $r = shift;
984:
985: if ($ENV{'request.course.id'}) {
986: my $fn=$ENV{'request.course.fn'};
987: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
988: }
989:
990: if ($r->header_only) {
991: if ($ENV{'browser.mathml'}) {
992: $r->content_type('text/xml');
993: } else {
994: $r->content_type('text/html');
995: }
996: $r->send_http_header;
997: return OK;
998: }
999:
1000: # Send header, nocache
1001: if ($ENV{'browser.mathml'}) {
1002: $r->content_type('text/xml');
1003: } else {
1004: $r->content_type('text/html');
1005: }
1006: &Apache::loncommon::no_cache($r);
1007: $r->send_http_header;
1008: $r->rflush();
1009:
1010: # Unfortunately, this helper is so complicated we have to
1011: # write it by hand
1012:
1013: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1014:
1015: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1016: $helper->declareVar('symb');
1017: $helper->declareVar('postdata');
1018: $helper->declareVar('filename');
1019: $helper->declareVar('construction');
1020: $helper->declareVar('assignment');
1021:
1022: # This will persistently load in the data we want from the
1023: # very first screen.
1024: # Detect whether we're coming from construction space
1025: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1026: $helper->{VARS}->{'filename'} = "/home/$1/public_html/$2";
1027: $helper->{VARS}->{'construction'} = 1;
1028: } else {
1029: if ($ENV{'form.postdata'}) {
1030: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
1031: }
1032: if ($ENV{'form.symb'}) {
1033: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1034: }
1035: if ($ENV{'form.url'}) {
1036: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1037: }
1038: }
1039:
1040: if ($ENV{'form.symb'}) {
1041: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1042: }
1043: if ($ENV{'form.url'}) {
1044: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1045:
1046: }
1047:
1048: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1049: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1050:
1051:
1052: # Extract map
1053: my $symb = $helper->{VARS}->{'symb'};
1054: my ($map, $id, $url);
1055: my $subdir;
1056:
1057: # Get the resource name from construction space
1058: if ($helper->{VARS}->{'construction'}) {
1059: $resourceTitle = substr($helper->{VARS}->{'filename'},
1060: rindex($helper->{VARS}->{'filename'}, '/')+1);
1061: $subdir = substr($helper->{VARS}->{'filename'},
1062: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1063: } else {
1064: ($map, $id, $url) = split(/___/, $symb);
1065: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1066:
1067: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1068: my $url = $helper->{VARS}->{'postdata'};
1069: $resourceTitle = substr($url, rindex($url, '/') + 1);
1070: }
1071: $subdir = &Apache::lonnet::filelocation("", $url);
1072: }
1073:
1074: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1075:
1076: Apache::lonhelper::registerHelperTags();
1077:
1078: # "Delete everything after the last slash."
1079: $subdir =~ s|/[^/]+$||;
1080: if (not $helper->{VARS}->{'construction'}) {
1081: $subdir='/home/httpd/html/res/'.$subdir;
1082: }
1083: # "Remove all duplicate slashes."
1084: $subdir =~ s|/+|/|g;
1085:
1086: # What can be printed is a very dynamic decision based on
1087: # lots of factors. So we need to dynamically build this list.
1088: # To prevent security leaks, states are only added to the wizard
1089: # if they can be reached, which ensures manipulating the form input
1090: # won't allow anyone to reach states they shouldn't have permission
1091: # to reach.
1092:
1093: # printChoices is tracking the kind of printing the user can
1094: # do, and will be used in a choices construction later.
1095: # In the meantime we will be adding states and elements to
1096: # the helper by hand.
1097: my $printChoices = [];
1098: my $paramHash;
1099:
1100: if ($resourceTitle) {
1101: push @{$printChoices}, ["<b>$resourceTitle</b> (prints what you just saw on the screen)", 'current_document', 'PAGESIZE'];
1102: }
1103:
1104: # $r->print($helper->{VARS}->{'postdata'});
1105:
1106: # If we're in a sequence...
1107: if ($helper->{'VARS'}->{'construction'} ne '1') {
1108: # Allow problems from sequence
1109: push @{$printChoices}, ["Problem(s) from <b>$sequenceTitle</b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1110: # Allow all resources from sequence
1111: push @{$printChoices}, ["Everything (problem(s), page(s), html/xml file(s)) from <b>$sequenceTitle</b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1112:
1113: my $isProblem = '$res->is_problem()';
1114: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1115: my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
1116: my $isNotMap = '!$res->is_map()';
1117: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1118: my $symb = '$res->symb()';
1119: my $helperFragment = <<HELPERFRAGMENT;
1120: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1121: <message>(mark them then click "next" button) <br /></message>
1122: <resource variable="RESOURCES" multichoice="1" toponly='1'>
1123: <nextstate>PAGESIZE</nextstate>
1124: <filterfunc>return $isProblem;</filterfunc>
1125: <mapurl>$map</mapurl>
1126: <valuefunc>return $symb;</valuefunc>
1127: </resource>
1128: </state>
1129:
1130: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1131: <message>(mark them then click "next" button) <br /></message>
1132: <resource variable="RESOURCES" multichoice="1" toponly='1'>
1133: <nextstate>PAGESIZE</nextstate>
1134: <filterfunc>return $isNotMap;</filterfunc>
1135: <mapurl>$map</mapurl>
1136: <valuefunc>return $symb;</valuefunc>
1137: </resource>
1138: </state>
1139: HELPERFRAGMENT
1140:
1141: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1142: }
1143:
1144: # If the user is priviledged, allow them to print all
1145: # problems in the course, optionally for selected students
1146: if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($helper->{VARS}->{'postdata'}=~/\/res\//)) {
1147: push @{$printChoices}, ['<b>Problems</b> in this course', 'all_problems', 'ALL_PROBLEMS'];
1148: push @{$printChoices}, ["Problems from <b>$sequenceTitle</b> for selected students", 'problems_for_students', 'CHOOSE_STUDENTS'];
1149:
1150: my $isProblem = '$res->is_problem()';
1151: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1152: my $isProblemOrMap = '($res->is_problem() || $res->is_map())';
1153: $isProblemOrMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1154: my $symb = '$res->symb()';
1155: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1156: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1157: <message>(mark them then click "next" button) <br /></message>
1158: <resource variable="RESOURCES" multichoice="1" suppressEmptySequences='1'>
1159: <nextstate>PAGESIZE</nextstate>
1160: <filterfunc>return $isProblemOrMap;</filterfunc>
1161: <choicefunc>return $isProblem;</choicefunc>
1162: <valuefunc>return $symb;</valuefunc>
1163: </resource>
1164: </state>
1165:
1166: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1167: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1168: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1169: <resource variable="RESOURCES" multichoice="1">
1170: <filterfunc>return $isProblem</filterfunc>
1171: <mapurl>$map</mapurl>
1172: <valuefunc>return $symb</valuefunc>
1173: </resource>
1174: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1175: <choices variable="EMPTY_PAGES">
1176: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1177: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1178: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1179: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1180: </choices>
1181: </state>
1182: CHOOSE_STUDENTS
1183: }
1184:
1185: # FIXME: That RE should come from a library somewhere.
1186: if ((((&Apache::lonnet::allowed('bre',$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 $ENV{'request.role.adv'}) {
1187: push @{$printChoices}, ["Problems from current subdirectory <b>$subdir</b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1188:
1189: my $f = '$filename';
1190: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1191: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1192: <message>(mark them then click "next" button) <br /></message>
1193: <files variable="FILES" multichoice='1'>
1194: <nextstate>PAGESIZE</nextstate>
1195: <filechoice>return '$subdir';</filechoice>
1196: CHOOSE_FROM_SUBDIR
1197:
1198: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1199: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1200: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1201: </filefilter>
1202: </files>
1203: </state>
1204: CHOOSE_FROM_SUBDIR
1205: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1206: }
1207:
1208: # Generate the first state, to select which resources get printed.
1209: Apache::lonhelper::state->new("START", "Select Printing Options:");
1210: $paramHash = Apache::lonhelper::getParamHash();
1211: $paramHash->{MESSAGE_TEXT} = "";
1212: Apache::lonhelper::message->new();
1213: $paramHash = Apache::lonhelper::getParamHash();
1214: $paramHash->{'variable'} = 'PRINT_TYPE';
1215: $helper->declareVar('PRINT_TYPE');
1216: $paramHash->{CHOICES} = $printChoices;
1217: Apache::lonhelper::choices->new();
1218:
1219: my $startedTable = 0; # have we started an HTML table yet? (need
1220: # to close it later)
1221:
1222: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1223: ($helper->{VARS}->{'construction'} eq '1')) {
1224: addMessage("<hr width='33%' /><table><tr><td align='right'>Print With Answers:</td><td>");
1225: $paramHash = Apache::lonhelper::getParamHash();
1226: $paramHash->{'variable'} = 'ANSWER_TYPE';
1227: $helper->declareVar('ANSWER_TYPE');
1228: $paramHash->{CHOICES} = [
1229: ['Yes', 'yes'],
1230: ['No', 'no'] ];
1231: Apache::lonhelper::dropdown->new();
1232: addMessage("</td></tr>");
1233: $startedTable = 1;
1234: }
1235:
1236: if ($ENV{'request.role.adv'}) {
1237: if (!$startedTable) {
1238: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
1239: $startedTable = 1;
1240: } else {
1241: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
1242: }
1243: $paramHash = Apache::lonhelper::getParamHash();
1244: $paramHash->{'variable'} = 'LATEX_TYPE';
1245: $helper->declareVar('LATEX_TYPE');
1246: if ($helper->{VARS}->{'construction'} eq '1') {
1247: $paramHash->{CHOICES} = [
1248: ['standard LaTeX mode', 'standard'],
1249: ['LaTeX batchmode', 'batchmode'], ];
1250: } else {
1251: $paramHash->{CHOICES} = [
1252: ['LaTeX batchmode', 'batchmode'],
1253: ['standard LaTeX mode', 'standard'] ];
1254: }
1255: Apache::lonhelper::dropdown->new();
1256:
1257: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1258: $paramHash = Apache::lonhelper::getParamHash();
1259: $paramHash->{'variable'} = 'TABLE_CONTENTS';
1260: $helper->declareVar('TABLE_CONTENTS');
1261: $paramHash->{CHOICES} = [
1262: ['No', 'no'],
1263: ['Yes', 'yes'] ];
1264: Apache::lonhelper::dropdown->new();
1265: addMessage("</td></tr>");
1266:
1267: if (not $helper->{VARS}->{'construction'}) {
1268: addMessage("<tr><td align='right'>Print Index: </td><td>");
1269: $paramHash = Apache::lonhelper::getParamHash();
1270: $paramHash->{'variable'} = 'TABLE_INDEX';
1271: $helper->declareVar('TABLE_INDEX');
1272: $paramHash->{CHOICES} = [
1273: ['No', 'no'],
1274: ['Yes', 'yes'] ];
1275: Apache::lonhelper::dropdown->new();
1276: addMessage("</td></tr>");
1277: }
1278:
1279: if ($helper->{VARS}->{'construction'}) {
1280: addMessage("<tr><td align='right'>Print With URL: </td><td>");
1281: $paramHash = Apache::lonhelper::getParamHash();
1282: $paramHash->{'variable'} = 'CONSTR_RESOURSE_URL';
1283: $helper->declareVar('CONSTR_RESOURSE_URL');
1284: $paramHash->{CHOICES} = [
1285: ['No', 'no'],
1286: ['Yes', 'yes'] ];
1287: Apache::lonhelper::dropdown->new();
1288: addMessage("</td></tr>");
1289: }
1290: }
1291:
1292: if ($startedTable) {
1293: addMessage("</table>");
1294: }
1295:
1296: Apache::lonprintout::page_format_state->new("FORMAT");
1297:
1298: # Generate the PAGESIZE state which will offer the user the margin
1299: # choices if they select one column
1300: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
1301: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
1302:
1303:
1304: $helper->process();
1305:
1306: # MANUAL BAILOUT CONDITION:
1307: # If we're in the "final" state, bailout and return to handler
1308: if ($helper->{STATE} eq 'FINAL') {
1309: return $helper;
1310: }
1311:
1312: $r->print($helper->display());
1313:
1314: Apache::lonhelper::unregisterHelperTags();
1315:
1316: untie %hash;
1317:
1318: return OK;
1319: }
1320:
1321:
1322: 1;
1323:
1324: package Apache::lonprintout::page_format_state;
1325:
1326: =pod
1327:
1328: =head1 Helper element: page_format_state
1329:
1330: See lonhelper.pm documentation for discussion of the helper framework.
1331:
1332: Apache::lonprintout::page_format_state is an element that gives the
1333: user an opportunity to select the page layout they wish to print
1334: with: Number of columns, portrait/landscape, and paper size. If you
1335: want to change the paper size choices, change the @paperSize array
1336: contents in this package.
1337:
1338: page_format_state is always directly invoked in lonprintout.pm, so there
1339: is no tag interface. You actually pass parameters to the constructor.
1340:
1341: =over 4
1342:
1343: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1344:
1345: =back
1346:
1347: =cut
1348:
1349: use Apache::lonhelper;
1350:
1351: no strict;
1352: @ISA = ("Apache::lonhelper::element");
1353: use strict;
1354:
1355: my $maxColumns = 2;
1356: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1357: "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1358: "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]",
1359: "A5 [148x210 mm]", "A6 [105x148 mm]" );
1360:
1361: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
1362: # Paper type
1363:
1364: sub new {
1365: my $self = Apache::lonhelper::element->new();
1366:
1367: shift;
1368:
1369: $self->{'variable'} = shift;
1370: my $helper = Apache::lonhelper::getHelper();
1371: $helper->declareVar($self->{'variable'});
1372: bless($self);
1373: return $self;
1374: }
1375:
1376: sub render {
1377: my $self = shift;
1378: my $helper = Apache::lonhelper::getHelper();
1379: my $result = '';
1380: my $var = $self->{'variable'};
1381:
1382: $result .= <<STATEHTML;
1383:
1384: <hr width="33%" />
1385: <table cellpadding="3">
1386: <tr>
1387: <td align="center"><b>Page layout</b></td>
1388: <td align="center"><b>Number of columns</b></td>
1389: <td align="center"><b>Paper type</b></td>
1390: </tr>
1391: <tr>
1392: <td>
1393: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
1394: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
1395: </td>
1396: <td align="center">
1397: <select name="${var}.cols">
1398: STATEHTML
1399:
1400: my $i;
1401: for ($i = 1; $i <= $maxColumns; $i++) {
1402: if ($i == 2) {
1403: $result .= "<option value='$i' selected>$i</option>\n";
1404: } else {
1405: $result .= "<option value='$i'>$i</option>\n";
1406: }
1407: }
1408:
1409: $result .= "</select></td><td>\n";
1410: $result .= "<select name='${var}.paper'>\n";
1411:
1412: $i = 0;
1413: foreach (@paperSize) {
1414: if ($i == 0) {
1415: $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
1416: } else {
1417: $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
1418: }
1419: $i++;
1420: }
1421:
1422: $result .= "</select></td></tr></table>";
1423: return $result;
1424: }
1425:
1426: sub postprocess {
1427: my $self = shift;
1428:
1429: my $var = $self->{'variable'};
1430: my $helper = Apache::lonhelper->getHelper();
1431: $helper->{VARS}->{$var} =
1432: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
1433: $ENV{"form.$var.paper"};
1434: return 1;
1435: }
1436:
1437: 1;
1438:
1439: package Apache::lonprintout::page_size_state;
1440:
1441: =pod
1442:
1443: =head1 Helper element: page_size_state
1444:
1445: See lonhelper.pm documentation for discussion of the helper framework.
1446:
1447: Apache::lonprintout::page_size_state is an element that gives the
1448: user the opportunity to further refine the page settings if they
1449: select a single-column page.
1450:
1451: page_size_state is always directly invoked in lonprintout.pm, so there
1452: is no tag interface. You actually pass parameters to the constructor.
1453:
1454: =over 4
1455:
1456: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1457:
1458: =back
1459:
1460: =cut
1461:
1462: use Apache::lonhelper;
1463:
1464: no strict;
1465: @ISA = ("Apache::lonhelper::element");
1466: use strict;
1467:
1468:
1469:
1470: sub new {
1471: my $self = Apache::lonhelper::element->new();
1472:
1473: shift; # disturbs me (probably prevents subclassing) but works (drops
1474: # package descriptor)... - Jeremy
1475:
1476: $self->{'variable'} = shift;
1477: my $helper = Apache::lonhelper::getHelper();
1478: $helper->declareVar($self->{'variable'});
1479:
1480: # The variable name of the format element, so we can look into
1481: # $helper->{VARS} to figure out whether the columns are one or two
1482: $self->{'formatvar'} = shift;
1483:
1484: # The state to transition to after selection, or after discovering
1485: # the cols are not set to 1
1486: $self->{NEXTSTATE} = shift;
1487: bless($self);
1488: return $self;
1489: }
1490:
1491: sub render {
1492: my $self = shift;
1493: my $helper = Apache::lonhelper::getHelper();
1494: my $result = '';
1495: my $var = $self->{'variable'};
1496:
1497: if (defined $self->{ERROR_MSG}) {
1498: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
1499: }
1500:
1501: $result .= <<ELEMENTHTML;
1502:
1503: <p>How should the column be formatted?</p>
1504:
1505: <table cellpadding='3'>
1506: <tr>
1507: <td align='right'><b>Width</b>:</td>
1508: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
1509: <td align='left'>
1510: <select name='$var.widthunit'>
1511: <option>cm</option><option>in</option>
1512: </select>
1513: </td>
1514: </tr>
1515: <tr>
1516: <td align='right'><b>Height</b>:</td>
1517: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
1518: <td align='left'>
1519: <select name='$var.heightunit'>
1520: <option>cm</option><option>in</option>
1521: </select>
1522: </td>
1523: </tr>
1524: <tr>
1525: <td align='right'><b>Left margin</b>:</td>
1526: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
1527: <td align='left'>
1528: <select name='$var.lmarginunit'>
1529: <option>cm</option><option>in</option>
1530: </select>
1531: </td>
1532: </tr>
1533: </table>
1534:
1535: <p>Hint: Some instructors like to leave scratch space for the student by
1536: making the width much smaller then the width of the page.</p>
1537:
1538: ELEMENTHTML
1539:
1540: return $result;
1541: }
1542:
1543: # If the user didn't select 1 column, skip this state.
1544: sub preprocess {
1545: my $self = shift;
1546: my $helper = Apache::lonhelper::getHelper();
1547:
1548: my $format = $helper->{VARS}->{$self->{'formatvar'}};
1549: if (substr($format, 2, 1) ne '1') {
1550: $helper->changeState($self->{NEXTSTATE});
1551: }
1552:
1553: return 1;
1554: }
1555:
1556: sub postprocess {
1557: my $self = shift;
1558:
1559: my $var = $self->{'variable'};
1560: my $helper = Apache::lonhelper->getHelper();
1561: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
1562: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
1563: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
1564: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
1565: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
1566: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
1567:
1568: my $error = '';
1569:
1570: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
1571: # by an optional period, followed by digits, ending the string
1572:
1573: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1574: $error .= "Invalid width; please type only a number.<br />\n";
1575: }
1576: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1577: $error .= "Invalid height; please type only a number.<br />\n";
1578: }
1579: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1580: $error .= "Invalid left margin; please type only a number.<br />\n";
1581: }
1582:
1583: if (!$error) {
1584: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
1585: return 1;
1586: } else {
1587: $self->{ERROR_MSG} = $error;
1588: return 0;
1589: }
1590: }
1591:
1592:
1593:
1594: __END__
1595:
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