1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.267 2004/01/12 21:53:27 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: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
479: my $name = &get_name();
480: my $courseidinfo = &get_course();
481: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
482: if ($layout eq 'album') {
483: my $topmargintoinsert = '';
484: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
485: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}} \\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1} /;
486: } elsif ($layout eq 'book') {
487: if ($choice ne 'All class print') {
488: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/;
489: } else {
490: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /;
491: }
492: }
493: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
494: if ($indexlist eq 'yes') {
495: $text=~s/(\\begin{document})/\\makeindex $1/;
496: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
497: }
498: return $text;
499: }
500:
501:
502: sub page_cleanup {
503: my $result = shift;
504:
505: $result =~ m/\\end{document}(\d*)$/;
506: my $number_of_columns = $1;
507: my $insert = '{';
508: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
509: $insert .= '}';
510: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
511: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
512: return $result,$number_of_columns;
513: }
514:
515:
516: sub details_for_menu {
517:
518: my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
519: my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
520: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
521: $map=&Apache::lonnet::clutter($map);
522: my $name_of_sequence;
523: $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}};
524: if ($name_of_sequence =~ /^\s*$/) {
525: $map =~ m|([^/]+)$|;
526: $name_of_sequence = $1;
527: }
528: my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}};
529: if ($name_of_map =~ /^\s*$/) {
530: $ENV{'request.course.uri'} =~ m|([^/]+)$|;
531: $name_of_map = $1;
532: }
533: return ($name_of_resourse,$name_of_sequence,$name_of_map);
534:
535: }
536:
537:
538: sub latex_corrections {
539:
540: my ($number_of_columns,$result) = @_;
541:
542: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
543: $result =~ s/\$number_of_columns/$number_of_columns/g;
544: $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/;
545: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
546: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
547: #-- LaTeX corrections
548: my $first_comment = index($result,'<!--',0);
549: while ($first_comment != -1) {
550: my $end_comment = index($result,'-->',$first_comment);
551: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
552: $first_comment = index($result,'<!--',$first_comment);
553: }
554: $result =~ s/^\s+$//gm; #remove empty lines
555: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
556: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
557: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
558: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
559: $result =~ s/\\\\\s+\[/ \[/g;
560: $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
561: #conversion of html characters to LaTeX equivalents
562: if ($result =~ m/&(\w+|#\d+);/) {
563: $result = &character_chart($result);
564: }
565: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
566: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
567:
568: return $result;
569: }
570:
571:
572: sub index_table {
573: my $currentURL = shift;
574: my $insex_string='';
575: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
576: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
577: return $insex_string;
578: }
579:
580:
581: sub IndexCreation {
582: my ($texversion,$currentURL)=@_;
583: my @key_words=split(/,/,&index_table($currentURL));
584: my $chunk='';
585: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
586: if ($st>0) {
587: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
588: $chunk=substr($texversion,0,$st+1);
589: substr($texversion,0,$st+1)=' ';
590: }
591: foreach my $key_word (@key_words) {
592: if ($key_word=~/\S+/) {
593: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
594: }
595: }
596: if ($st>0) {substr($texversion,0,1)=$chunk;}
597: return $texversion;
598: }
599:
600: sub print_latex_header {
601: my $mode=shift;
602: my $output='\documentclass[letterpaper]{article}';
603: if ($mode eq 'batchmode') {
604: $output.='\batchmode';
605: }
606: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'.
607: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
608: '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
609: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
610: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
611: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
612: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
613: '\setlength{\abovedisplayshortskip}{-0.04in}'.
614: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
615: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
616: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
617: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
618: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
619: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
620: '\setlength{\abovedisplayshortskip}{-0.04in}'.
621: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
622: return $output;
623: }
624:
625: sub path_to_problem {
626: my ($urlp,$LaTeXwidth)=@_;
627: my $newurlp = '';
628: $LaTeXwidth=~s/\s*mm\s*$//;
629: my $HowMany = length($urlp)*2;
630: if ($HowMany > $LaTeXwidth) {
631: my @temporrary = split '/',$urlp;
632: my $HowManyNew = 0;
633: for (my $ii=0;$ii<=$#temporrary;$ii++) {
634: if ($temporrary[$ii] ne '') {
635: $HowManyNew += length($temporrary[$ii])*2;
636: if ($HowManyNew < $LaTeXwidth ) {
637: $newurlp .= '/'.$temporrary[$ii];
638: } else {
639: $HowManyNew = 0;
640: $newurlp .= '|\vskip -1 mm \noindent \verb|';
641: $ii--;
642: }
643: }
644: }
645: } else {
646: $newurlp=$urlp;
647: }
648: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
649: }
650:
651: sub output_data {
652: my ($r,$helper,$rparmhash) = @_;
653: my %parmhash = %$rparmhash;
654: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
655: $r->print(<<ENDPART);
656: <html>
657: <script type="text/javascript" language="Javascript" >
658: var editbrowser;
659: function openbrowser(formname,elementname,only,omit) {
660: var url = '/res/?';
661: if (editbrowser == null) {
662: url += 'launch=1&';
663: }
664: url += 'catalogmode=interactive&';
665: url += 'mode=parmset&';
666: url += 'form=' + formname + '&';
667: if (only != null) {
668: url += 'only=' + only + '&';
669: }
670: if (omit != null) {
671: url += 'omit=' + omit + '&';
672: }
673: url += 'element=' + elementname + '';
674: var title = 'Browser';
675: var options = 'scrollbars=1,resizable=1,menubar=0';
676: options += ',width=700,height=600';
677: editbrowser = open(url,title,options,'1');
678: editbrowser.focus();
679: }
680: </script>
681: <head>
682: <title>LON-CAPA output for printing</title>
683: </head>
684: $bodytag
685: Please stand by while processing your print request, this may take some time ...
686: ENDPART
687:
688: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
689: my ($result,$selectionmade) = ('','');
690: my $number_of_columns = 1; #used only for pages to determine the width of the cell
691: my @temporary_array=split /\|/,$format_from_helper;
692: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
693: if ($laystyle eq 'L') {
694: $laystyle='album';
695: } else {
696: $laystyle='book';
697: }
698: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
699: my $assignment = $ENV{'form.assignment'};
700: my $LaTeXwidth;
701: if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
702: $LaTeXwidth = $1*10;
703: } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
704: $LaTeXwidth = $1;
705: } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
706: $LaTeXwidth = $1*25.4;
707: }
708: $LaTeXwidth.=' mm';
709:
710: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
711: #-- single document - problem, page, html, xml, ...
712: my $currentURL;
713: if ($helper->{'VARS'}->{'construction'} ne '1') {
714: #prints published resource
715: $currentURL=$helper->{'VARS'}->{'postdata'};
716: } else {
717: #prints resource from the construction space
718: $currentURL='/'.$helper->{'VARS'}->{'filename'};
719: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
720: }
721: $selectionmade = 1;
722: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
723: my $rndseed=time;
724: my $texversion='';
725: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
726: my %moreenv;
727: $moreenv{'request.filename'}=$currentURL;
728: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
729: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
730: my $dom = $ENV{'user.domain'};
731: my $user = $ENV{'user.name'};
732: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
733: }
734: my %form;
735: $form{'grade_target'}='tex';
736: $form{'textwidth'}=$LaTeXwidth;
737: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
738: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
739: if ($helper->{'VARS'}->{'curseed'}) {
740: $rndseed=$helper->{'VARS'}->{'curseed'};
741: }
742: $form{'rndseed'}=$rndseed;
743: &Apache::lonnet::appenv(%moreenv);
744: &Apache::lonnet::delenv('form.counter');
745: &Apache::lonxml::init_counter();
746: $texversion=&Apache::lonnet::ssi($currentURL,%form);
747: &Apache::lonnet::delenv('form.counter');
748: &Apache::lonnet::delenv('request.filename');
749: }
750: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
751: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
752: my %form;
753: $form{'grade_target'}='answer';
754: $form{'answer_output_mode'}='tex';
755: $form{'rndseed'}=$rndseed;
756: my $answer=&Apache::lonnet::ssi($currentURL,%form);
757: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
758: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
759: } else {
760: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
761: if ($helper->{'VARS'}->{'construction'} ne '1') {
762: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
763: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
764: } else {
765: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
766: my $URLpath=$currentURL;
767: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
768: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
769: }
770: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
771: }
772: }
773: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
774: $texversion=&IndexCreation($texversion,$currentURL);
775: }
776: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
777: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
778:
779: }
780: $result .= $texversion;
781: if ($currentURL=~m/\.page\s*$/) {
782: ($result,$number_of_columns) = &page_cleanup($result);
783: }
784: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
785: #printing content of sequence from the construction space
786: my $flag_latex_header_remove = 'NO';
787: my $rndseed=time;
788: if ($helper->{'VARS'}->{'curseed'}) {
789: $rndseed=$helper->{'VARS'}->{'curseed'};
790: }
791: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
792: my $errtext=&Apache::lonratedt::mapread($currentURL);
793: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
794: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
795: my $urlp=$2;
796: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
797: my $texversion='';
798: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
799: my %form;
800: $form{'grade_target'}='tex';
801: $form{'textwidth'}=$LaTeXwidth;
802: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
803: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
804: $form{'rndseed'}=$rndseed;
805: $texversion=&Apache::lonnet::ssi($urlp,%form);
806: }
807: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
808: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
809: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
810: my %form;
811: $form{'grade_target'}='answer';
812: $form{'answer_output_mode'}='tex';
813: $form{'rndseed'}=$rndseed;
814: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
815: my $answer=&Apache::lonnet::ssi($urlp,%form);
816: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
817: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
818: } else {
819: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
820: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
821: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
822: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
823: }
824: }
825: if ($flag_latex_header_remove ne 'NO') {
826: $texversion = &latex_header_footer_remove($texversion);
827: } else {
828: $texversion =~ s/\\end{document}//;
829: }
830: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
831: $texversion=&IndexCreation($texversion,$urlp);
832: }
833: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
834: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
835: }
836: $result.=$texversion;
837: $flag_latex_header_remove = 'YES';
838: } elsif ($urlp=~/\.(sequence|page)$/) {
839: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
840: }
841: }
842: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
843: $result .= '\end{document}';
844: } elsif ($currentURL=~/\/smppg$/) {
845: my %form;
846: $form{'grade_target'}='tex';
847: $form{'textwidth'}=$LaTeXwidth;
848: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
849: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
850: $result .= $texversion;
851: } else {
852: $result.='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
853: if ($currentURL=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
854: $result.=$1;
855: } elsif ($currentURL=~/\/ext\//) {
856: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
857: } else {
858: $result.=$currentURL;
859: }
860: $result.=' \end{document}'
861: }
862: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
863: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
864: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
865: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
866: #-- produce an output string
867: my %form=();
868: $form{'grade_target'}='tex';
869: $form{'textwidth'}=$LaTeXwidth;
870: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
871: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
872: my $flag_latex_header_remove = 'NO';
873: my $flag_page_in_sequence = 'NO';
874: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
875: my $prevassignment='';
876: &Apache::lonxml::init_counter();
877: for (my $i=0;$i<=$#master_seq;$i++) {
878: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
879: $urlp=&Apache::lonnet::clutter($urlp);
880: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
881: $selectionmade = 2;
882: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
883: $selectionmade = 3;
884: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
885: $selectionmade = 4;
886: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
887: $selectionmade = 7;
888: }
889: $form{'symb'}=$master_seq[$i];
890: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
891: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
892: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
893: if ($i==0) {$prevassignment=$assignment;}
894: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
895: my $texversion.=&Apache::lonnet::ssi($urlp,%form);
896: if ($urlp=~/\.page$/) {
897: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
898: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
899: $texversion =~ s/\\end{document}\d*/\\end{document}/;
900: $flag_page_in_sequence = 'YES';
901: }
902: my $lonidsdir=$r->dir_config('lonIDsDir');
903: my $envfile=$ENV{'user.environment'};
904: $envfile=~/\/([^\/]+)\.id$/;
905: $envfile=$1;
906: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
907: my $current_counter=$ENV{'form.counter'};
908: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
909: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
910: my %form;
911: $form{'grade_target'}='answer';
912: $form{'answer_output_mode'}='tex';
913: my $answer=&Apache::lonnet::ssi($urlp,%form);
914: &Apache::lonnet::appenv(('form.counter' => $current_counter));
915: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
916: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
917: } else {
918: if ($urlp=~/\.(problem|exam|quiz|library)$/) {
919: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
920: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
921: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
922: $texversion.='\vskip 1 mm '.$answer;
923: } else {
924: $texversion='';
925: }
926: }
927: }
928: if ($flag_latex_header_remove ne 'NO') {
929: $texversion = &latex_header_footer_remove($texversion);
930: } else {
931: $texversion =~ s/\\end{document}//;
932: }
933: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
934: $texversion=&IndexCreation($texversion,$urlp);
935: }
936: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
937: my $name = &get_name();
938: my $courseidinfo = &get_course();
939: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
940: $prevassignment=$assignment;
941: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
942: }
943: $result .= $texversion;
944: $flag_latex_header_remove = 'YES';
945: }
946: &Apache::lonnet::delenv('form.counter');
947: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
948: $result .= '\end{document}';
949: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')) {
950: #-- prints assignments for whole class or for selected students
951: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
952: $selectionmade=5;
953: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
954: $selectionmade=8;
955: }
956: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
957: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
958: #loop over students
959: my $flag_latex_header_remove = 'NO';
960: my %moreenv;
961: $moreenv{'form.textwidth'}=$LaTeXwidth;
962: &Apache::lonnet::appenv(%moreenv);
963: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
964: foreach my $person (@students) {
965: my $current_output = '';
966: # my ($usersection,$username,$userdomain) = split /:/,$person;
967: my ($username,$userdomain) = split /:/,$person;
968: my $fullname = &get_name($username,$userdomain);
969:
970: if ($parmhash{'anonymous_quiz'}=~/yes/) {$fullname=' ';} #put here something reasonable for anonymous exams or quiz
971: #goes through all resources, checks if they are available for current student, and produces output
972: &Apache::lonnet::delenv('form.counter');
973: &Apache::lonxml::init_counter();
974: foreach my $curresline (@master_seq) {
975: if ((($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) && ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students')) || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')) {
976: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
977: if (&Apache::lonnet::allowed('bre',$res_url)) {
978: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,
979: $ENV{'request.course.id'},'tex');
980: my $lonidsdir=$r->dir_config('lonIDsDir');
981: my $envfile=$ENV{'user.environment'};
982: $envfile=~/\/([^\/]+)\.id$/;
983: $envfile=$1;
984: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
985: my $current_counter=$ENV{'form.counter'};
986: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
987: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
988: my %form;
989: $form{'answer_output_mode'}='tex';
990: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
991: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
992: &Apache::lonnet::appenv(('form.counter' => $current_counter));
993: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
994: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
995: } else {
996: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
997: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
998: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
999: $rendered.='\vskip 1 mm '.$ansrendered;
1000: }
1001: }
1002: if ($flag_latex_header_remove eq 'YES') {
1003: $rendered = &latex_header_footer_remove($rendered);
1004: } else {
1005: $rendered =~ s/\\end{document}//;
1006: }
1007: $current_output .= $rendered;
1008: }
1009: $flag_latex_header_remove = 'YES';
1010: }
1011: }
1012: my $courseidinfo = &get_course();
1013: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1014: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1015: if ($current_output=~/\\documentclass/) {
1016: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
1017: } else {
1018: my $blanspages = '';
1019: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
1020: $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$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;
1021: }
1022: $result .= $current_output;
1023: &Apache::lonnet::delenv('form.counter');
1024: &Apache::lonxml::init_counter();
1025: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1026: &mt('last student').' '.$fullname);
1027: }
1028: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1029: $result .= '\end{document}';
1030: &Apache::lonnet::delenv('form.textwidth');
1031: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1032: #prints selected problems from the subdirectory
1033: $selectionmade = 6;
1034: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1035: @list_of_files=sort @list_of_files;
1036: my $flag_latex_header_remove = 'NO';
1037: my $rndseed=time;
1038: if ($helper->{'VARS'}->{'curseed'}) {
1039: $rndseed=$helper->{'VARS'}->{'curseed'};
1040: }
1041: for (my $i=0;$i<=$#list_of_files;$i++) {
1042: my $urlp = $list_of_files[$i];
1043: $urlp=~s|//|/|;
1044: if ($urlp=~/\//) {
1045: my %form;
1046: $form{'grade_target'}='tex';
1047: $form{'textwidth'}=$LaTeXwidth;
1048: $form{'rndseed'}=$rndseed;
1049: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1050: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1051: } else {
1052: $urlp =~ s|^/home/httpd/html||;
1053: }
1054: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1055: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1056: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1057: my %form;
1058: $form{'grade_target'}='answer';
1059: $form{'answer_output_mode'}='tex';
1060: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1061: $form{'rndseed'}=$rndseed;
1062: my $answer=&Apache::lonnet::ssi($urlp,%form);
1063: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1064: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1065: } else {
1066: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1067: if ($helper->{'VARS'}->{'construction'} ne '1') {
1068: $texversion.='\vskip 0 mm \noindent ';
1069: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1070: } else {
1071: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1072: my $URLpath=$urlp;
1073: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1074: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1075: }
1076: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1077: }
1078: }
1079: #this chunck is responsible for printing the path to problem
1080: my $newurlp=$urlp;
1081: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1082: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1083: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1084: if ($flag_latex_header_remove ne 'NO') {
1085: $texversion = &latex_header_footer_remove($texversion);
1086: } else {
1087: $texversion =~ s/\\end{document}//;
1088: }
1089: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1090: $texversion=&IndexCreation($texversion,$urlp);
1091: }
1092: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1093: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1094:
1095: }
1096: $result .= $texversion;
1097: }
1098: $flag_latex_header_remove = 'YES';
1099: }
1100: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1101: $result .= '\end{document}';
1102: }
1103: #-------------------------------------------------------- corrections for the different page formats
1104: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'});
1105: $result = &latex_corrections($number_of_columns,$result);
1106: #changes page's parameters for the one column output
1107: if ($numberofcolumns == 1) {
1108: $result =~ s/\\textwidth\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1109: $result =~ s/\\textheight\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1110: $result =~ s/\\evensidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1111: $result =~ s/\\oddsidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1112: }
1113: #-- writing .tex file in prtspool
1114: my $temp_file;
1115: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
1116: unless ($temp_file = Apache::File->new('>'.$filename)) {
1117: $r->log_error("Couldn't open $filename for output $!");
1118: return SERVER_ERROR;
1119: }
1120:
1121: my $identifier = time.'_'.int(rand(1000));
1122: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1123: 'cgi.'.$identifier.'.layout' => $laystyle,
1124: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1125: 'cgi.'.$identifier.'.selection' => $selectionmade,
1126: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1127: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1128: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'});
1129:
1130: print $temp_file $result;
1131:
1132: $r->print(<<FINALEND);
1133: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier">
1134: </body>
1135: </html>
1136: FINALEND
1137: }
1138:
1139:
1140:
1141: sub handler {
1142:
1143: my $r = shift;
1144: my $helper;
1145:
1146: # my $loaderror=&Apache::lonnet::overloaderror($r);
1147: # if ($loaderror) { return $loaderror; }
1148: # $loaderror=
1149: # &Apache::lonnet::overloaderror($r,
1150: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
1151: # if ($loaderror) { return $loaderror; }
1152:
1153: my $result = printHelper($r);
1154: if (!ref($result)) {
1155: return $result;
1156: }
1157: $helper = $result;
1158:
1159: # my $key;
1160: # foreach $key (keys %{$helper->{'VARS'}}) {
1161: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1162: # }
1163: # foreach $key (keys %ENV) {
1164: # $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
1165: # }
1166: # return OK;
1167:
1168: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1169:
1170: # my $key;
1171: # foreach $key (keys %parmhash) {
1172: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1173: # }
1174: # return OK;
1175:
1176: &output_data($r,$helper,\%parmhash);
1177: return OK;
1178: }
1179:
1180: use Apache::lonhelper;
1181:
1182: sub addMessage {
1183: my $text = shift;
1184: my $paramHash = Apache::lonhelper::getParamHash();
1185: $paramHash->{MESSAGE_TEXT} = $text;
1186: Apache::lonhelper::message->new();
1187: }
1188:
1189: use Data::Dumper;
1190:
1191: sub printHelper {
1192: my $r = shift;
1193:
1194: if ($ENV{'request.course.id'}) {
1195: my $fn=$ENV{'request.course.fn'};
1196: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1197: }
1198:
1199: if ($r->header_only) {
1200: if ($ENV{'browser.mathml'}) {
1201: &Apache::loncommon::content_type($r,'text/xml');
1202: } else {
1203: &Apache::loncommon::content_type($r,'text/html');
1204: }
1205: $r->send_http_header;
1206: return OK;
1207: }
1208:
1209: # Send header, nocache
1210: if ($ENV{'browser.mathml'}) {
1211: &Apache::loncommon::content_type($r,'text/xml');
1212: } else {
1213: &Apache::loncommon::content_type($r,'text/html');
1214: }
1215: &Apache::loncommon::no_cache($r);
1216: $r->send_http_header;
1217: $r->rflush();
1218:
1219: # Unfortunately, this helper is so complicated we have to
1220: # write it by hand
1221:
1222: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1223:
1224: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1225: $helper->declareVar('symb');
1226: $helper->declareVar('postdata');
1227: $helper->declareVar('curseed');
1228: $helper->declareVar('filename');
1229: $helper->declareVar('construction');
1230: $helper->declareVar('assignment');
1231: $helper->declareVar('style_file');
1232:
1233: # This will persistently load in the data we want from the
1234: # very first screen.
1235: # Detect whether we're coming from construction space
1236: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1237: $helper->{VARS}->{'filename'} = "~$1/$2";
1238: $helper->{VARS}->{'construction'} = 1;
1239: } else {
1240: if ($ENV{'form.postdata'}) {
1241: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
1242: }
1243: if ($ENV{'form.symb'}) {
1244: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1245: }
1246: if ($ENV{'form.url'}) {
1247: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1248: }
1249: }
1250:
1251: if ($ENV{'form.symb'}) {
1252: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1253: }
1254: if ($ENV{'form.url'}) {
1255: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1256:
1257: }
1258:
1259: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1260: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1261:
1262:
1263: # Extract map
1264: my $symb = $helper->{VARS}->{'symb'};
1265: my ($map, $id, $url);
1266: my $subdir;
1267:
1268: # Get the resource name from construction space
1269: if ($helper->{VARS}->{'construction'}) {
1270: $resourceTitle = substr($helper->{VARS}->{'filename'},
1271: rindex($helper->{VARS}->{'filename'}, '/')+1);
1272: $subdir = substr($helper->{VARS}->{'filename'},
1273: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1274: } else {
1275: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1276: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1277:
1278: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1279: my $postdata = $helper->{VARS}->{'postdata'};
1280: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1281: }
1282: $subdir = &Apache::lonnet::filelocation("", $url);
1283: }
1284: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
1285: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
1286: }
1287:
1288: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1289: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
1290: $ENV{'request.role'}=~m/^in\./ or
1291: $ENV{'request.role'}=~m/^ta\./);
1292:
1293: Apache::lonhelper::registerHelperTags();
1294:
1295: # "Delete everything after the last slash."
1296: $subdir =~ s|/[^/]+$||;
1297: if (not $helper->{VARS}->{'construction'}) {
1298: $subdir='/home/httpd/html/res/'.$subdir;
1299: }
1300: # "Remove all duplicate slashes."
1301: $subdir =~ s|/+|/|g;
1302:
1303: # What can be printed is a very dynamic decision based on
1304: # lots of factors. So we need to dynamically build this list.
1305: # To prevent security leaks, states are only added to the wizard
1306: # if they can be reached, which ensures manipulating the form input
1307: # won't allow anyone to reach states they shouldn't have permission
1308: # to reach.
1309:
1310: # printChoices is tracking the kind of printing the user can
1311: # do, and will be used in a choices construction later.
1312: # In the meantime we will be adding states and elements to
1313: # the helper by hand.
1314: my $printChoices = [];
1315: my $paramHash;
1316:
1317: if ($resourceTitle) {
1318: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (what you just saw on the screen)", 'current_document', 'PAGESIZE'];
1319: }
1320:
1321: # $r->print($helper->{VARS}->{'postdata'});
1322:
1323: # Useful filter strings
1324: my $isProblem = '$res->is_problem()';
1325: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1326: my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
1327: my $isNotMap = '!$res->is_map()';
1328: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1329: my $isMap = '$res->is_map()';
1330: my $symbFilter = '$res->symb()';
1331: my $urlValue = '$res->src()';
1332:
1333: $helper->declareVar('SEQUENCE');
1334:
1335: # Useful for debugging: Dump the help vars
1336: #$r->print(Dumper($helper->{VARS}));
1337: #$r->print($map);
1338:
1339: # If we're in a sequence...
1340: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1341: $helper->{VARS}->{'postdata'} &&
1342: $helper->{VARS}->{'assignment'}) {
1343: # Allow problems from sequence
1344: push @{$printChoices}, ["<b>Problems</b> in <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1345: # Allow all resources from sequence
1346: push @{$printChoices}, ["<b>Resources</b> in <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1347:
1348: my $helperFragment = <<HELPERFRAGMENT;
1349: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1350: <message>(mark them then click "next" button) <br /></message>
1351: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1352: <nextstate>PAGESIZE</nextstate>
1353: <filterfunc>return $isProblem;</filterfunc>
1354: <mapurl>$map</mapurl>
1355: <valuefunc>return $symbFilter;</valuefunc>
1356: </resource>
1357: </state>
1358:
1359: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1360: <message>(mark them then click "next" button) <br /></message>
1361: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1362: <nextstate>PAGESIZE</nextstate>
1363: <filterfunc>return $isNotMap;</filterfunc>
1364: <mapurl>$map</mapurl>
1365: <valuefunc>return $symbFilter;</valuefunc>
1366: </resource>
1367: </state>
1368: HELPERFRAGMENT
1369:
1370: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1371: }
1372:
1373: # If the user is priviledged, allow them to print all
1374: # problems in the course, optionally for selected students
1375: if ($userPriviledged && ($helper->{VARS}->{'postdata'}=~/\/res\//)) {
1376: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1377: if ($helper->{VARS}->{'assignment'}) {
1378: push @{$printChoices}, ["<b>Problems</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
1379: }
1380:
1381: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1382: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1383: <message>(mark them then click "next" button) <br /></message>
1384: <resource variable="RESOURCES" multichoice="1"
1385: suppressEmptySequences='1' addstatus="1">
1386: <nextstate>PAGESIZE</nextstate>
1387: <filterfunc>return $isProblemOrMap;</filterfunc>
1388: <choicefunc>return $isProblem;</choicefunc>
1389: <valuefunc>return $symbFilter;</valuefunc>
1390: </resource>
1391: </state>
1392:
1393: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1394: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1395: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1396: <resource variable="RESOURCES" multichoice="1" addstatus="1">
1397: <filterfunc>return $isProblem;</filterfunc>
1398: <mapurl>$map</mapurl>
1399: <valuefunc>return $symbFilter;</valuefunc>
1400: </resource>
1401: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1402: <choices variable="EMPTY_PAGES">
1403: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1404: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1405: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1406: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1407: </choices>
1408: </state>
1409: CHOOSE_STUDENTS
1410:
1411: if ($helper->{VARS}->{'assignment'}) {
1412: push @{$printChoices}, ["<b>Resources</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
1413: }
1414: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
1415: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1416: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1417: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1418: <resource variable="RESOURCES" multichoice="1" addstatus="1">
1419: <filterfunc>return $isNotMap;</filterfunc>
1420: <mapurl>$map</mapurl>
1421: <valuefunc>return $symbFilter;</valuefunc>
1422: </resource>
1423: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1424: <choices variable="EMPTY_PAGES">
1425: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1426: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1427: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1428: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1429: </choices>
1430: </state>
1431: CHOOSE_STUDENTS1
1432:
1433: }
1434:
1435: # FIXME: That RE should come from a library somewhere.
1436: if ((((&Apache::lonnet::allowed('bre',$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 $subdir ne '/home/httpd/html/res/') {
1437: push @{$printChoices}, ["<b>Problems</b> from current subdirectory <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1438:
1439: my $f = '$filename';
1440: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1441: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1442: <message>(mark them then click "next" button) <br /></message>
1443: <files variable="FILES" multichoice='1'>
1444: <nextstate>PAGESIZE</nextstate>
1445: <filechoice>return '$subdir';</filechoice>
1446: CHOOSE_FROM_SUBDIR
1447:
1448: # this is broken up because I really want interpolation above,
1449: # and I really DON'T want it below
1450: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1451: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1452: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1453: </filefilter>
1454: </files>
1455: </state>
1456: CHOOSE_FROM_SUBDIR
1457: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1458: }
1459:
1460: # Allow the user to select any sequence in the course, feed it to
1461: # another resource selector for that sequence
1462: if (!$helper->{VARS}->{'construction'}) {
1463: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1464: 'select_sequences', 'CHOOSE_SEQUENCE'];
1465: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
1466: #Escape apostrophes and backslashes for Perl
1467: $escapedSequenceName =~ s/\\/\\\\/g;
1468: $escapedSequenceName =~ s/'/\\'/g;
1469: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1470: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
1471: <message>Select the sequence to print resources from:</message>
1472: <resource variable="SEQUENCE">
1473: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1474: <filterfunc>return \$res->is_sequence;</filterfunc>
1475: <valuefunc>return $urlValue;</valuefunc>
1476: </resource>
1477: </state>
1478: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
1479: <message>(mark desired resources then click "next" button) <br /></message>
1480: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1481: <nextstate>PAGESIZE</nextstate>
1482: <filterfunc>return $isProblem</filterfunc>
1483: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1484: <valuefunc>return $symbFilter;</valuefunc>
1485: </resource>
1486: </state>
1487: CHOOSE_FROM_ANY_SEQUENCE
1488: }
1489:
1490: # Generate the first state, to select which resources get printed.
1491: Apache::lonhelper::state->new("START", "Select Printing Options:");
1492: $paramHash = Apache::lonhelper::getParamHash();
1493: $paramHash->{MESSAGE_TEXT} = "";
1494: Apache::lonhelper::message->new();
1495: $paramHash = Apache::lonhelper::getParamHash();
1496: $paramHash->{'variable'} = 'PRINT_TYPE';
1497: $helper->declareVar('PRINT_TYPE');
1498: $paramHash->{CHOICES} = $printChoices;
1499: Apache::lonhelper::choices->new();
1500:
1501: my $startedTable = 0; # have we started an HTML table yet? (need
1502: # to close it later)
1503:
1504: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1505: ($helper->{VARS}->{'construction'} eq '1')) {
1506: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1507: $paramHash = Apache::lonhelper::getParamHash();
1508: $paramHash->{'variable'} = 'ANSWER_TYPE';
1509: $helper->declareVar('ANSWER_TYPE');
1510: $paramHash->{CHOICES} = [
1511: ['Without Answers', 'yes'],
1512: ['With Answers', 'no'],
1513: ['Only Answers', 'only'] ];
1514: Apache::lonhelper::dropdown->new();
1515: addMessage("</td></tr>");
1516: $startedTable = 1;
1517: }
1518:
1519: if ($ENV{'request.role.adv'}) {
1520: if (!$startedTable) {
1521: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
1522: $startedTable = 1;
1523: } else {
1524: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
1525: }
1526: $paramHash = Apache::lonhelper::getParamHash();
1527: $paramHash->{'variable'} = 'LATEX_TYPE';
1528: $helper->declareVar('LATEX_TYPE');
1529: if ($helper->{VARS}->{'construction'} eq '1') {
1530: $paramHash->{CHOICES} = [
1531: ['standard LaTeX mode', 'standard'],
1532: ['LaTeX batchmode', 'batchmode'], ];
1533: } else {
1534: $paramHash->{CHOICES} = [
1535: ['LaTeX batchmode', 'batchmode'],
1536: ['standard LaTeX mode', 'standard'] ];
1537: }
1538: Apache::lonhelper::dropdown->new();
1539:
1540: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1541: $paramHash = Apache::lonhelper::getParamHash();
1542: $paramHash->{'variable'} = 'TABLE_CONTENTS';
1543: $helper->declareVar('TABLE_CONTENTS');
1544: $paramHash->{CHOICES} = [
1545: ['No', 'no'],
1546: ['Yes', 'yes'] ];
1547: Apache::lonhelper::dropdown->new();
1548: addMessage("</td></tr>");
1549:
1550: if (not $helper->{VARS}->{'construction'}) {
1551: addMessage("<tr><td align='right'>Print Index: </td><td>");
1552: $paramHash = Apache::lonhelper::getParamHash();
1553: $paramHash->{'variable'} = 'TABLE_INDEX';
1554: $helper->declareVar('TABLE_INDEX');
1555: $paramHash->{CHOICES} = [
1556: ['No', 'no'],
1557: ['Yes', 'yes'] ];
1558: Apache::lonhelper::dropdown->new();
1559: addMessage("</td></tr>");
1560: }
1561:
1562: if ($helper->{'VARS'}->{'construction'}) {
1563: my $stylevalue=$ENV{'construct.style'};
1564: my $xmlfrag .= <<"RNDSEED";
1565: <message><tr><td align='right'>Use random seed: </td><td></message>
1566: <string variable="curseed" size="15" maxlength="15">
1567: <defaultvalue>
1568: return $helper->{VARS}->{'curseed'};
1569: </defaultvalue>
1570: </string>
1571: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1572: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1573: <message></td></tr></message>
1574: RNDSEED
1575: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1576: $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1577: }
1578: }
1579:
1580:
1581:
1582:
1583: if ($startedTable) {
1584: addMessage("</table>");
1585: }
1586:
1587: Apache::lonprintout::page_format_state->new("FORMAT");
1588:
1589: # Generate the PAGESIZE state which will offer the user the margin
1590: # choices if they select one column
1591: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
1592: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
1593:
1594:
1595: $helper->process();
1596:
1597: # MANUAL BAILOUT CONDITION:
1598: # If we're in the "final" state, bailout and return to handler
1599: if ($helper->{STATE} eq 'FINAL') {
1600: return $helper;
1601: }
1602:
1603: $r->print($helper->display());
1604:
1605: Apache::lonhelper::unregisterHelperTags();
1606:
1607: untie %hash;
1608:
1609: return OK;
1610: }
1611:
1612:
1613: 1;
1614:
1615: package Apache::lonprintout::page_format_state;
1616:
1617: =pod
1618:
1619: =head1 Helper element: page_format_state
1620:
1621: See lonhelper.pm documentation for discussion of the helper framework.
1622:
1623: Apache::lonprintout::page_format_state is an element that gives the
1624: user an opportunity to select the page layout they wish to print
1625: with: Number of columns, portrait/landscape, and paper size. If you
1626: want to change the paper size choices, change the @paperSize array
1627: contents in this package.
1628:
1629: page_format_state is always directly invoked in lonprintout.pm, so there
1630: is no tag interface. You actually pass parameters to the constructor.
1631:
1632: =over 4
1633:
1634: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1635:
1636: =back
1637:
1638: =cut
1639:
1640: use Apache::lonhelper;
1641:
1642: no strict;
1643: @ISA = ("Apache::lonhelper::element");
1644: use strict;
1645: use Apache::lonlocal;
1646:
1647: my $maxColumns = 2;
1648: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1649: "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1650: "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]",
1651: "A5 [148x210 mm]", "A6 [105x148 mm]" );
1652:
1653: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
1654: # Paper type
1655:
1656: sub new {
1657: my $self = Apache::lonhelper::element->new();
1658:
1659: shift;
1660:
1661: $self->{'variable'} = shift;
1662: my $helper = Apache::lonhelper::getHelper();
1663: $helper->declareVar($self->{'variable'});
1664: bless($self);
1665: return $self;
1666: }
1667:
1668: sub render {
1669: my $self = shift;
1670: my $helper = Apache::lonhelper::getHelper();
1671: my $result = '';
1672: my $var = $self->{'variable'};
1673: my $PageLayout=&mt('Page layout');
1674: my $NumberOfColumns=&mt('Number of columns');
1675: my $PaperType=&mt('Paper type');
1676: $result .= <<STATEHTML;
1677:
1678: <hr width="33%" />
1679: <table cellpadding="3">
1680: <tr>
1681: <td align="center"><b>$PageLayout</b></td>
1682: <td align="center"><b>$NumberOfColumns</b></td>
1683: <td align="center"><b>$PaperType</b></td>
1684: </tr>
1685: <tr>
1686: <td>
1687: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
1688: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
1689: </td>
1690: <td align="center">
1691: <select name="${var}.cols">
1692: STATEHTML
1693:
1694: my $i;
1695: for ($i = 1; $i <= $maxColumns; $i++) {
1696: if ($i == 2) {
1697: $result .= "<option value='$i' selected>$i</option>\n";
1698: } else {
1699: $result .= "<option value='$i'>$i</option>\n";
1700: }
1701: }
1702:
1703: $result .= "</select></td><td>\n";
1704: $result .= "<select name='${var}.paper'>\n";
1705:
1706: $i = 0;
1707: foreach (@paperSize) {
1708: if ($i == 0) {
1709: $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
1710: } else {
1711: $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
1712: }
1713: $i++;
1714: }
1715:
1716: $result .= "</select></td></tr></table>";
1717: return $result;
1718: }
1719:
1720: sub postprocess {
1721: my $self = shift;
1722:
1723: my $var = $self->{'variable'};
1724: my $helper = Apache::lonhelper->getHelper();
1725: $helper->{VARS}->{$var} =
1726: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
1727: $ENV{"form.$var.paper"};
1728: return 1;
1729: }
1730:
1731: 1;
1732:
1733: package Apache::lonprintout::page_size_state;
1734:
1735: =pod
1736:
1737: =head1 Helper element: page_size_state
1738:
1739: See lonhelper.pm documentation for discussion of the helper framework.
1740:
1741: Apache::lonprintout::page_size_state is an element that gives the
1742: user the opportunity to further refine the page settings if they
1743: select a single-column page.
1744:
1745: page_size_state is always directly invoked in lonprintout.pm, so there
1746: is no tag interface. You actually pass parameters to the constructor.
1747:
1748: =over 4
1749:
1750: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1751:
1752: =back
1753:
1754: =cut
1755:
1756: use Apache::lonhelper;
1757:
1758: no strict;
1759: @ISA = ("Apache::lonhelper::element");
1760: use strict;
1761:
1762:
1763:
1764: sub new {
1765: my $self = Apache::lonhelper::element->new();
1766:
1767: shift; # disturbs me (probably prevents subclassing) but works (drops
1768: # package descriptor)... - Jeremy
1769:
1770: $self->{'variable'} = shift;
1771: my $helper = Apache::lonhelper::getHelper();
1772: $helper->declareVar($self->{'variable'});
1773:
1774: # The variable name of the format element, so we can look into
1775: # $helper->{VARS} to figure out whether the columns are one or two
1776: $self->{'formatvar'} = shift;
1777:
1778: # The state to transition to after selection, or after discovering
1779: # the cols are not set to 1
1780: $self->{NEXTSTATE} = shift;
1781: bless($self);
1782: return $self;
1783: }
1784:
1785: sub render {
1786: my $self = shift;
1787: my $helper = Apache::lonhelper::getHelper();
1788: my $result = '';
1789: my $var = $self->{'variable'};
1790:
1791: if (defined $self->{ERROR_MSG}) {
1792: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
1793: }
1794:
1795: $result .= <<ELEMENTHTML;
1796:
1797: <p>How should the column be formatted?</p>
1798:
1799: <table cellpadding='3'>
1800: <tr>
1801: <td align='right'><b>Width</b>:</td>
1802: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
1803: <td align='left'>
1804: <select name='$var.widthunit'>
1805: <option>cm</option><option>in</option>
1806: </select>
1807: </td>
1808: </tr>
1809: <tr>
1810: <td align='right'><b>Height</b>:</td>
1811: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
1812: <td align='left'>
1813: <select name='$var.heightunit'>
1814: <option>cm</option><option>in</option>
1815: </select>
1816: </td>
1817: </tr>
1818: <tr>
1819: <td align='right'><b>Left margin</b>:</td>
1820: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
1821: <td align='left'>
1822: <select name='$var.lmarginunit'>
1823: <option>cm</option><option>in</option>
1824: </select>
1825: </td>
1826: </tr>
1827: </table>
1828:
1829: <p>Hint: Some instructors like to leave scratch space for the student by
1830: making the width much smaller then the width of the page.</p>
1831:
1832: ELEMENTHTML
1833:
1834: return $result;
1835: }
1836:
1837: # If the user didn't select 1 column, skip this state.
1838: sub preprocess {
1839: my $self = shift;
1840: my $helper = Apache::lonhelper::getHelper();
1841:
1842: my $format = $helper->{VARS}->{$self->{'formatvar'}};
1843: if (substr($format, 2, 1) ne '1') {
1844: $helper->changeState($self->{NEXTSTATE});
1845: }
1846:
1847: return 1;
1848: }
1849:
1850: sub postprocess {
1851: my $self = shift;
1852:
1853: my $var = $self->{'variable'};
1854: my $helper = Apache::lonhelper->getHelper();
1855: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
1856: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
1857: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
1858: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
1859: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
1860: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
1861:
1862: my $error = '';
1863:
1864: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
1865: # by an optional period, followed by digits, ending the string
1866:
1867: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1868: $error .= "Invalid width; please type only a number.<br />\n";
1869: }
1870: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1871: $error .= "Invalid height; please type only a number.<br />\n";
1872: }
1873: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1874: $error .= "Invalid left margin; please type only a number.<br />\n";
1875: }
1876:
1877: if (!$error) {
1878: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
1879: return 1;
1880: } else {
1881: $self->{ERROR_MSG} = $error;
1882: return 0;
1883: }
1884: }
1885:
1886:
1887:
1888: __END__
1889:
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