1: # The LearningOnline Network
2: # Printout
3: #
4: # $Id: lonprintout.pm,v 1.274 2004/02/05 18:35:58 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 $name_of_resourse = &Apache::lonnet::gettitle($ENV{'form.postdata'});
519: my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
520: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
521: $map=&Apache::lonnet::clutter($map);
522: my $name_of_sequence = &Apache::lonnet::gettitle($map);
523: if ($name_of_sequence =~ /^\s*$/) {
524: $map =~ m|([^/]+)$|;
525: $name_of_sequence = $1;
526: }
527: my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'});
528: if ($name_of_map =~ /^\s*$/) {
529: $ENV{'request.course.uri'} =~ m|([^/]+)$|;
530: $name_of_map = $1;
531: }
532: return ($name_of_resourse,$name_of_sequence,$name_of_map);
533:
534: }
535:
536:
537: sub latex_corrections {
538:
539: my ($number_of_columns,$result) = @_;
540:
541: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
542: $result =~ s/\$number_of_columns/$number_of_columns/g;
543: $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/;
544: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
545: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
546: #-- LaTeX corrections
547: my $first_comment = index($result,'<!--',0);
548: while ($first_comment != -1) {
549: my $end_comment = index($result,'-->',$first_comment);
550: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
551: $first_comment = index($result,'<!--',$first_comment);
552: }
553: $result =~ s/^\s+$//gm; #remove empty lines
554: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
555: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
556: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
557: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
558: $result =~ s/\\\\\s+\[/ \[/g;
559: $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
560: #conversion of html characters to LaTeX equivalents
561: if ($result =~ m/&(\w+|#\d+);/) {
562: $result = &character_chart($result);
563: }
564: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
565: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
566:
567: return $result;
568: }
569:
570:
571: sub index_table {
572: my $currentURL = shift;
573: my $insex_string='';
574: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
575: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
576: return $insex_string;
577: }
578:
579:
580: sub IndexCreation {
581: my ($texversion,$currentURL)=@_;
582: my @key_words=split(/,/,&index_table($currentURL));
583: my $chunk='';
584: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
585: if ($st>0) {
586: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
587: $chunk=substr($texversion,0,$st+1);
588: substr($texversion,0,$st+1)=' ';
589: }
590: foreach my $key_word (@key_words) {
591: if ($key_word=~/\S+/) {
592: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
593: }
594: }
595: if ($st>0) {substr($texversion,0,1)=$chunk;}
596: return $texversion;
597: }
598:
599: sub print_latex_header {
600: my $mode=shift;
601: my $output='\documentclass[letterpaper]{article}';
602: if ($mode eq 'batchmode') {
603: $output.='\batchmode';
604: }
605: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'.
606: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
607: '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
608: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
609: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
610: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
611: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
612: '\setlength{\abovedisplayshortskip}{-0.04in}'.
613: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
614: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
615: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
616: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
617: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
618: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
619: '\setlength{\abovedisplayshortskip}{-0.04in}'.
620: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
621: return $output;
622: }
623:
624: sub path_to_problem {
625: my ($urlp,$LaTeXwidth)=@_;
626: my $newurlp = '';
627: $LaTeXwidth=~s/\s*mm\s*$//;
628: my $HowMany = length($urlp)*2;
629: if ($HowMany > $LaTeXwidth) {
630: my @temporrary = split '/',$urlp;
631: my $HowManyNew = 0;
632: for (my $ii=0;$ii<=$#temporrary;$ii++) {
633: if ($temporrary[$ii] ne '') {
634: $HowManyNew += length($temporrary[$ii])*2;
635: if ($HowManyNew < $LaTeXwidth ) {
636: $newurlp .= '/'.$temporrary[$ii];
637: } else {
638: $HowManyNew = 0;
639: $newurlp .= '|\vskip -1 mm \noindent \verb|';
640: $ii--;
641: }
642: }
643: }
644: } else {
645: $newurlp=$urlp;
646: }
647: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
648: }
649:
650: sub output_data {
651: my ($r,$helper,$rparmhash) = @_;
652: my %parmhash = %$rparmhash;
653: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
654: $r->print(<<ENDPART);
655: <html>
656: <script type="text/javascript" language="Javascript" >
657: var editbrowser;
658: function openbrowser(formname,elementname,only,omit) {
659: var url = '/res/?';
660: if (editbrowser == null) {
661: url += 'launch=1&';
662: }
663: url += 'catalogmode=interactive&';
664: url += 'mode=parmset&';
665: url += 'form=' + formname + '&';
666: if (only != null) {
667: url += 'only=' + only + '&';
668: }
669: if (omit != null) {
670: url += 'omit=' + omit + '&';
671: }
672: url += 'element=' + elementname + '';
673: var title = 'Browser';
674: var options = 'scrollbars=1,resizable=1,menubar=0';
675: options += ',width=700,height=600';
676: editbrowser = open(url,title,options,'1');
677: editbrowser.focus();
678: }
679: </script>
680: <head>
681: <title>LON-CAPA output for printing</title>
682: </head>
683: $bodytag
684: Please stand by while processing your print request, this may take some time ...
685: ENDPART
686:
687: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
688: my ($result,$selectionmade) = ('','');
689: my $number_of_columns = 1; #used only for pages to determine the width of the cell
690: my @temporary_array=split /\|/,$format_from_helper;
691: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
692: if ($laystyle eq 'L') {
693: $laystyle='album';
694: } else {
695: $laystyle='book';
696: }
697: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
698: my $assignment = $ENV{'form.assignment'};
699: my $LaTeXwidth;
700: if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
701: $LaTeXwidth = $1*10;
702: } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
703: $LaTeXwidth = $1;
704: } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
705: $LaTeXwidth = $1*25.4;
706: }
707: $LaTeXwidth.=' mm';
708: my @print_array=();
709: my @student_names=();
710:
711: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
712: #-- single document - problem, page, html, xml, ...
713: my $currentURL;
714: if ($helper->{'VARS'}->{'construction'} ne '1') {
715: #prints published resource
716: $currentURL=$helper->{'VARS'}->{'postdata'};
717: } else {
718: #prints resource from the construction space
719: $currentURL='/'.$helper->{'VARS'}->{'filename'};
720: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
721: }
722: $selectionmade = 1;
723: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
724: my $rndseed=time;
725: my $texversion='';
726: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
727: my %moreenv;
728: $moreenv{'request.filename'}=$currentURL;
729: if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
730: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
731: my $dom = $ENV{'user.domain'};
732: my $user = $ENV{'user.name'};
733: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
734: }
735: my %form;
736: $form{'grade_target'}='tex';
737: $form{'textwidth'}=$LaTeXwidth;
738: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
739: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
740: if ($helper->{'VARS'}->{'curseed'}) {
741: $rndseed=$helper->{'VARS'}->{'curseed'};
742: }
743: $form{'rndseed'}=$rndseed;
744: &Apache::lonnet::appenv(%moreenv);
745: &Apache::lonnet::delenv('form.counter');
746: &Apache::lonxml::init_counter();
747: $texversion=&Apache::lonnet::ssi($currentURL,%form);
748: &Apache::lonnet::delenv('form.counter');
749: &Apache::lonnet::delenv('request.filename');
750: }
751: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
752: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
753: my %form;
754: $form{'grade_target'}='answer';
755: $form{'answer_output_mode'}='tex';
756: $form{'rndseed'}=$rndseed;
757: my $answer=&Apache::lonnet::ssi($currentURL,%form);
758: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
759: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
760: } else {
761: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
762: if ($helper->{'VARS'}->{'construction'} ne '1') {
763: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
764: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
765: } else {
766: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
767: my $URLpath=$currentURL;
768: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
769: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
770: }
771: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
772: }
773: }
774: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
775: $texversion=&IndexCreation($texversion,$currentURL);
776: }
777: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
778: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
779:
780: }
781: $result .= $texversion;
782: if ($currentURL=~m/\.page\s*$/) {
783: ($result,$number_of_columns) = &page_cleanup($result);
784: }
785: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
786: #printing content of sequence from the construction space
787: my $flag_latex_header_remove = 'NO';
788: my $rndseed=time;
789: if ($helper->{'VARS'}->{'curseed'}) {
790: $rndseed=$helper->{'VARS'}->{'curseed'};
791: }
792: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
793: my $errtext=&Apache::lonratedt::mapread($currentURL);
794: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
795: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
796: my $urlp=$2;
797: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
798: my $texversion='';
799: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
800: my %form;
801: $form{'grade_target'}='tex';
802: $form{'textwidth'}=$LaTeXwidth;
803: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
804: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
805: $form{'rndseed'}=$rndseed;
806: $texversion=&Apache::lonnet::ssi($urlp,%form);
807: }
808: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
809: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
810: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
811: my %form;
812: $form{'grade_target'}='answer';
813: $form{'answer_output_mode'}='tex';
814: $form{'rndseed'}=$rndseed;
815: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
816: my $answer=&Apache::lonnet::ssi($urlp,%form);
817: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
818: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
819: } else {
820: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
821: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
822: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
823: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
824: }
825: }
826: if ($flag_latex_header_remove ne 'NO') {
827: $texversion = &latex_header_footer_remove($texversion);
828: } else {
829: $texversion =~ s/\\end{document}//;
830: }
831: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
832: $texversion=&IndexCreation($texversion,$urlp);
833: }
834: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
835: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
836: }
837: $result.=$texversion;
838: $flag_latex_header_remove = 'YES';
839: } elsif ($urlp=~/\.(sequence|page)$/) {
840: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
841: }
842: }
843: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
844: $result .= '\end{document}';
845: } elsif ($currentURL=~/\/smppg$/) {
846: my %form;
847: $form{'grade_target'}='tex';
848: $form{'textwidth'}=$LaTeXwidth;
849: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
850: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
851: $result .= $texversion;
852: } else {
853: $result.='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
854: if ($currentURL=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
855: $result.=$1;
856: } elsif ($currentURL=~/\/ext\//) {
857: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
858: } else {
859: $result.=$currentURL;
860: }
861: $result.=' \end{document}'
862: }
863: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
864: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
865: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
866: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
867: #-- produce an output string
868: my %form=();
869: $form{'grade_target'}='tex';
870: $form{'textwidth'}=$LaTeXwidth;
871: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
872: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
873: my $flag_latex_header_remove = 'NO';
874: my $flag_page_in_sequence = 'NO';
875: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
876: my $prevassignment='';
877: &Apache::lonnet::delenv('form.counter');
878: &Apache::lonxml::init_counter();
879: for (my $i=0;$i<=$#master_seq;$i++) {
880: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
881: $urlp=&Apache::lonnet::clutter($urlp);
882: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
883: $selectionmade = 2;
884: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
885: $selectionmade = 3;
886: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
887: $selectionmade = 4;
888: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
889: $selectionmade = 7;
890: }
891: $form{'symb'}=$master_seq[$i];
892: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
893: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
894: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
895: if ($i==0) {$prevassignment=$assignment;}
896: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
897: my $texversion.=&Apache::lonnet::ssi($urlp,%form);
898: if ($urlp=~/\.page$/) {
899: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
900: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
901: $texversion =~ s/\\end{document}\d*/\\end{document}/;
902: $flag_page_in_sequence = 'YES';
903: }
904: my $lonidsdir=$r->dir_config('lonIDsDir');
905: my $envfile=$ENV{'user.environment'};
906: $envfile=~/\/([^\/]+)\.id$/;
907: $envfile=$1;
908: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
909: my $current_counter=$ENV{'form.counter'};
910: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
911: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
912: my %form;
913: $form{'grade_target'}='answer';
914: $form{'answer_output_mode'}='tex';
915: my $answer=&Apache::lonnet::ssi($urlp,%form);
916: &Apache::lonnet::appenv(('form.counter' => $current_counter));
917: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
918: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
919: } else {
920: if ($urlp=~/\.(problem|exam|quiz|library)$/) {
921: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
922: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
923: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
924: $texversion.='\vskip 1 mm '.$answer;
925: } else {
926: $texversion='';
927: }
928: }
929: }
930: if ($flag_latex_header_remove ne 'NO') {
931: $texversion = &latex_header_footer_remove($texversion);
932: } else {
933: $texversion =~ s/\\end{document}//;
934: }
935: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
936: $texversion=&IndexCreation($texversion,$urlp);
937: }
938: if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
939: my $name = &get_name();
940: my $courseidinfo = &get_course();
941: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
942: $prevassignment=$assignment;
943: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
944: }
945: $result .= $texversion;
946: $flag_latex_header_remove = 'YES';
947: }
948: &Apache::lonnet::delenv('form.counter');
949: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
950: $result .= '\end{document}';
951: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')) {
952: #-- prints assignments for whole class or for selected students
953: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
954: $selectionmade=5;
955: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
956: $selectionmade=8;
957: }
958: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
959: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0') {$helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;}
960: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
961: #loop over students
962: my $flag_latex_header_remove = 'NO';
963: my %moreenv;
964: $moreenv{'form.textwidth'}=$LaTeXwidth;
965: &Apache::lonnet::appenv(%moreenv);
966: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
967: my $student_counter=-1;
968: foreach my $person (@students) {
969: $student_counter++;
970: my $current_output = '';
971: my ($username,$userdomain,$usersection) = split /:/,$person;
972: my $fullname = &get_name($username,$userdomain);
973:
974: if ($parmhash{'anonymous_quiz'}=~/yes/) {$fullname=' ';} #put here something reasonable for anonymous exams or quiz
975: #goes through all resources, checks if they are available for current student, and produces output
976: &Apache::lonnet::delenv('form.counter');
977: &Apache::lonxml::init_counter();
978: foreach my $curresline (@master_seq) {
979: if ((($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) && ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students')) || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')) {
980: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
981: if (&Apache::lonnet::allowed('bre',$res_url)) {
982: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,
983: $ENV{'request.course.id'},'tex');
984: my $lonidsdir=$r->dir_config('lonIDsDir');
985: my $envfile=$ENV{'user.environment'};
986: $envfile=~/\/([^\/]+)\.id$/;
987: $envfile=$1;
988: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
989: my $current_counter=$ENV{'form.counter'};
990: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
991: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
992: my %form;
993: $form{'answer_output_mode'}='tex';
994: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
995: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
996: &Apache::lonnet::appenv(('form.counter' => $current_counter));
997: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
998: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
999: } else {
1000: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1001: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
1002: $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
1003: $rendered.='\vskip 1 mm '.$ansrendered;
1004: }
1005: }
1006: if ($flag_latex_header_remove eq 'YES') {
1007: $rendered = &latex_header_footer_remove($rendered);
1008: } else {
1009: $rendered =~ s/\\end{document}//;
1010: }
1011: $current_output .= $rendered;
1012: }
1013: $flag_latex_header_remove = 'YES';
1014: }
1015: }
1016: my $courseidinfo = &get_course();
1017: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1018: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1019: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1020: if ($current_output=~/\\documentclass/) {
1021: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
1022: } else {
1023: my $blanspages = '';
1024: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
1025: $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$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;
1026: }
1027: $print_array[int($student_counter/$helper->{'VARS'}->{'NUMBER_TO_PRINT'})].=$current_output;
1028: $student_names[int($student_counter/$helper->{'VARS'}->{'NUMBER_TO_PRINT'})].=$person.':'.$fullname.'_END_';
1029: &Apache::lonnet::delenv('form.counter');
1030: &Apache::lonxml::init_counter();
1031: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1032: &mt('last student').' '.$fullname);
1033: }
1034: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1035: $result .= $print_array[0].' \end{document}';
1036: &Apache::lonnet::delenv('form.textwidth');
1037: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
1038: #prints selected problems from the subdirectory
1039: $selectionmade = 6;
1040: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1041: @list_of_files=sort @list_of_files;
1042: my $flag_latex_header_remove = 'NO';
1043: my $rndseed=time;
1044: if ($helper->{'VARS'}->{'curseed'}) {
1045: $rndseed=$helper->{'VARS'}->{'curseed'};
1046: }
1047: for (my $i=0;$i<=$#list_of_files;$i++) {
1048: my $urlp = $list_of_files[$i];
1049: $urlp=~s|//|/|;
1050: if ($urlp=~/\//) {
1051: my %form;
1052: $form{'grade_target'}='tex';
1053: $form{'textwidth'}=$LaTeXwidth;
1054: $form{'rndseed'}=$rndseed;
1055: if ($urlp =~ m|/home/([^/]+)/public_html|) {
1056: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
1057: } else {
1058: $urlp =~ s|^/home/httpd/html||;
1059: }
1060: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1061: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1062: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1063: my %form;
1064: $form{'grade_target'}='answer';
1065: $form{'answer_output_mode'}='tex';
1066: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1067: $form{'rndseed'}=$rndseed;
1068: my $answer=&Apache::lonnet::ssi($urlp,%form);
1069: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1070: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1071: } else {
1072: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1073: if ($helper->{'VARS'}->{'construction'} ne '1') {
1074: $texversion.='\vskip 0 mm \noindent ';
1075: $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1076: } else {
1077: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1078: my $URLpath=$urlp;
1079: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1080: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
1081: }
1082: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
1083: }
1084: }
1085: #this chunck is responsible for printing the path to problem
1086: my $newurlp=$urlp;
1087: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
1088: $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1089: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1090: if ($flag_latex_header_remove ne 'NO') {
1091: $texversion = &latex_header_footer_remove($texversion);
1092: } else {
1093: $texversion =~ s/\\end{document}//;
1094: }
1095: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1096: $texversion=&IndexCreation($texversion,$urlp);
1097: }
1098: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
1099: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1100:
1101: }
1102: $result .= $texversion;
1103: }
1104: $flag_latex_header_remove = 'YES';
1105: }
1106: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1107: $result .= '\end{document}';
1108: }
1109: #-------------------------------------------------------- corrections for the different page formats
1110: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'});
1111: $result = &latex_corrections($number_of_columns,$result);
1112: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i]);}
1113: #changes page's parameters for the one column output
1114: if ($numberofcolumns == 1) {
1115: $result =~ s/\\textwidth\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1116: $result =~ s/\\textheight\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1117: $result =~ s/\\evensidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1118: $result =~ s/\\oddsidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1119: }
1120: #-- writing .tex file in prtspool
1121: my $temp_file;
1122: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
1123: unless ($temp_file = Apache::File->new('>'.$filename)) {
1124: $r->log_error("Couldn't open $filename for output $!");
1125: return SERVER_ERROR;
1126: }
1127: print $temp_file $result;
1128: my $begin=index($result,'\begin{document}',0);
1129: my $inc=substr($result,0,$begin+16);
1130: if ($#print_array>0) {
1131: for (my $i=1;$i<=$#print_array;$i++) {
1132: my $anobegin=index($print_array[$i],'\setcounter{page}',0);
1133: substr($print_array[$i],0,$anobegin)='';
1134: $print_array[$i]=$inc.$print_array[$i].'\end{document}';
1135: my $temp_file;
1136: my $newfilename=$filename;
1137: $newfilename =~s/\.tex$/_add$i\.tex/;
1138: unless ($temp_file = Apache::File->new('>'.$newfilename)) {
1139: $r->log_error("Couldn't open $newfilename for output $!");
1140: return SERVER_ERROR;
1141: }
1142: print $temp_file $print_array[$i];
1143: }
1144:
1145: }
1146: my $student_names='';
1147: if ($#print_array>0) {
1148: for (my $i=0;$i<=$#print_array;$i++) {
1149: $student_names.=$student_names[$i].'_ENDPERSON_';
1150: }
1151: }
1152:
1153:
1154: my $identifier = time.'_'.int(rand(1000));
1155: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename,
1156: 'cgi.'.$identifier.'.layout' => $laystyle,
1157: 'cgi.'.$identifier.'.numcol' => $numberofcolumns,
1158: 'cgi.'.$identifier.'.selection' => $selectionmade,
1159: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
1160: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1161: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1162: 'cgi.'.$identifier.'numberoffiles' => $#print_array,
1163: 'cgi.'.$identifier.'studentnames' => $student_names,);
1164:
1165:
1166: $r->print(<<FINALEND);
1167: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier">
1168: </body>
1169: </html>
1170: FINALEND
1171: }
1172:
1173:
1174:
1175: sub handler {
1176:
1177: my $r = shift;
1178: my $helper;
1179:
1180: # my $loaderror=&Apache::lonnet::overloaderror($r);
1181: # if ($loaderror) { return $loaderror; }
1182: # $loaderror=
1183: # &Apache::lonnet::overloaderror($r,
1184: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
1185: # if ($loaderror) { return $loaderror; }
1186:
1187: my $result = printHelper($r);
1188: if (!ref($result)) {
1189: return $result;
1190: }
1191: $helper = $result;
1192:
1193: # my $key;
1194: # foreach $key (keys %{$helper->{'VARS'}}) {
1195: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1196: # }
1197: # foreach $key (keys %ENV) {
1198: # $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
1199: # }
1200: # return OK;
1201:
1202: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1203:
1204: # my $key;
1205: # foreach $key (keys %parmhash) {
1206: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1207: # }
1208: # return OK;
1209:
1210: &output_data($r,$helper,\%parmhash);
1211: return OK;
1212: }
1213:
1214: use Apache::lonhelper;
1215:
1216: sub addMessage {
1217: my $text = shift;
1218: my $paramHash = Apache::lonhelper::getParamHash();
1219: $paramHash->{MESSAGE_TEXT} = $text;
1220: Apache::lonhelper::message->new();
1221: }
1222:
1223: use Data::Dumper;
1224:
1225: sub printHelper {
1226: my $r = shift;
1227:
1228: if ($ENV{'request.course.id'}) {
1229: my $fn=$ENV{'request.course.fn'};
1230: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1231: }
1232:
1233: if ($r->header_only) {
1234: if ($ENV{'browser.mathml'}) {
1235: &Apache::loncommon::content_type($r,'text/xml');
1236: } else {
1237: &Apache::loncommon::content_type($r,'text/html');
1238: }
1239: $r->send_http_header;
1240: return OK;
1241: }
1242:
1243: # Send header, nocache
1244: if ($ENV{'browser.mathml'}) {
1245: &Apache::loncommon::content_type($r,'text/xml');
1246: } else {
1247: &Apache::loncommon::content_type($r,'text/html');
1248: }
1249: &Apache::loncommon::no_cache($r);
1250: $r->send_http_header;
1251: $r->rflush();
1252:
1253: # Unfortunately, this helper is so complicated we have to
1254: # write it by hand
1255:
1256: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1257:
1258: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1259: $helper->declareVar('symb');
1260: $helper->declareVar('postdata');
1261: $helper->declareVar('curseed');
1262: $helper->declareVar('filename');
1263: $helper->declareVar('construction');
1264: $helper->declareVar('assignment');
1265: $helper->declareVar('style_file');
1266:
1267: # This will persistently load in the data we want from the
1268: # very first screen.
1269: # Detect whether we're coming from construction space
1270: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1271: $helper->{VARS}->{'filename'} = "~$1/$2";
1272: $helper->{VARS}->{'construction'} = 1;
1273: } else {
1274: if ($ENV{'form.postdata'}) {
1275: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
1276: }
1277: if ($ENV{'form.symb'}) {
1278: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1279: }
1280: if ($ENV{'form.url'}) {
1281: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1282: }
1283: }
1284:
1285: if ($ENV{'form.symb'}) {
1286: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1287: }
1288: if ($ENV{'form.url'}) {
1289: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1290:
1291: }
1292:
1293: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1294: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1295:
1296:
1297: # Extract map
1298: my $symb = $helper->{VARS}->{'symb'};
1299: my ($map, $id, $url);
1300: my $subdir;
1301:
1302: # Get the resource name from construction space
1303: if ($helper->{VARS}->{'construction'}) {
1304: $resourceTitle = substr($helper->{VARS}->{'filename'},
1305: rindex($helper->{VARS}->{'filename'}, '/')+1);
1306: $subdir = substr($helper->{VARS}->{'filename'},
1307: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1308: } else {
1309: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1310: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1311:
1312: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1313: my $postdata = $helper->{VARS}->{'postdata'};
1314: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1315: }
1316: $subdir = &Apache::lonnet::filelocation("", $url);
1317: }
1318: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
1319: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
1320: }
1321:
1322: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1323: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
1324: $ENV{'request.role'}=~m/^in\./ or
1325: $ENV{'request.role'}=~m/^ta\./);
1326:
1327: Apache::lonhelper::registerHelperTags();
1328:
1329: # "Delete everything after the last slash."
1330: $subdir =~ s|/[^/]+$||;
1331: if (not $helper->{VARS}->{'construction'}) {
1332: $subdir='/home/httpd/html/res/'.$subdir;
1333: }
1334: # "Remove all duplicate slashes."
1335: $subdir =~ s|/+|/|g;
1336:
1337: # What can be printed is a very dynamic decision based on
1338: # lots of factors. So we need to dynamically build this list.
1339: # To prevent security leaks, states are only added to the wizard
1340: # if they can be reached, which ensures manipulating the form input
1341: # won't allow anyone to reach states they shouldn't have permission
1342: # to reach.
1343:
1344: # printChoices is tracking the kind of printing the user can
1345: # do, and will be used in a choices construction later.
1346: # In the meantime we will be adding states and elements to
1347: # the helper by hand.
1348: my $printChoices = [];
1349: my $paramHash;
1350:
1351: if ($resourceTitle) {
1352: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (what you just saw on the screen)", 'current_document', 'PAGESIZE'];
1353: }
1354:
1355: # $r->print($helper->{VARS}->{'postdata'});
1356:
1357: # Useful filter strings
1358: my $isProblem = '$res->is_problem()';
1359: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1360: my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
1361: my $isNotMap = '!$res->is_map()';
1362: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1363: my $isMap = '$res->is_map()';
1364: my $symbFilter = '$res->symb()';
1365: my $urlValue = '$res->src()';
1366:
1367: $helper->declareVar('SEQUENCE');
1368:
1369: # Useful for debugging: Dump the help vars
1370: #$r->print(Dumper($helper->{VARS}));
1371: #$r->print($map);
1372:
1373: # If we're in a sequence...
1374: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1375: $helper->{VARS}->{'postdata'} &&
1376: $helper->{VARS}->{'assignment'}) {
1377: # Allow problems from sequence
1378: push @{$printChoices}, ["<b>Problems</b> in <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1379: # Allow all resources from sequence
1380: push @{$printChoices}, ["<b>Resources</b> in <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1381:
1382: my $helperFragment = <<HELPERFRAGMENT;
1383: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1384: <message>(mark them then click "next" button) <br /></message>
1385: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1386: <nextstate>PAGESIZE</nextstate>
1387: <filterfunc>return $isProblem;</filterfunc>
1388: <mapurl>$map</mapurl>
1389: <valuefunc>return $symbFilter;</valuefunc>
1390: </resource>
1391: </state>
1392:
1393: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1394: <message>(mark them then click "next" button) <br /></message>
1395: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1396: <nextstate>PAGESIZE</nextstate>
1397: <filterfunc>return $isNotMap;</filterfunc>
1398: <mapurl>$map</mapurl>
1399: <valuefunc>return $symbFilter;</valuefunc>
1400: </resource>
1401: </state>
1402: HELPERFRAGMENT
1403:
1404: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1405: }
1406:
1407: # If the user is priviledged, allow them to print all
1408: # problems in the course, optionally for selected students
1409: if ($userPriviledged && ($helper->{VARS}->{'postdata'}=~/\/res\//)) {
1410: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1411: if ($helper->{VARS}->{'assignment'}) {
1412: push @{$printChoices}, ["<b>Problems</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
1413: }
1414: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1415: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1416: <message>(mark them then click "next" button) <br /></message>
1417: <resource variable="RESOURCES" multichoice="1"
1418: suppressEmptySequences='1' addstatus="1">
1419: <nextstate>PAGESIZE</nextstate>
1420: <filterfunc>return $isProblemOrMap;</filterfunc>
1421: <choicefunc>return $isProblem;</choicefunc>
1422: <valuefunc>return $symbFilter;</valuefunc>
1423: </resource>
1424: </state>
1425:
1426: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1427: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1428: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1429: <resource variable="RESOURCES" multichoice="1" addstatus="1">
1430: <filterfunc>return $isProblem;</filterfunc>
1431: <mapurl>$map</mapurl>
1432: <valuefunc>return $symbFilter;</valuefunc>
1433: </resource>
1434: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1435: <choices variable="EMPTY_PAGES">
1436: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1437: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1438: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1439: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1440: </choices>
1441: </state>
1442: CHOOSE_STUDENTS
1443:
1444: addMessage("<hr width='33%' /><b>Number of assignments printed at the same time: </b>");
1445: $paramHash = Apache::lonhelper::getParamHash();
1446: $paramHash->{'variable'} = 'NUMBER_TO_PRINT';
1447: $helper->declareVar('NUMBER_TO_PRINT');
1448: addMessage("<input type='text' name='NUMBER_TO_PRINT.forminput' size='3' value='0' /><hr width='33%' />");
1449:
1450: if ($helper->{VARS}->{'assignment'}) {
1451: push @{$printChoices}, ["<b>Resources</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
1452: }
1453: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
1454: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1455: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1456: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1457: <resource variable="RESOURCES" multichoice="1" addstatus="1">
1458: <filterfunc>return $isNotMap;</filterfunc>
1459: <mapurl>$map</mapurl>
1460: <valuefunc>return $symbFilter;</valuefunc>
1461: </resource>
1462: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1463: <choices variable="EMPTY_PAGES">
1464: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1465: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1466: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1467: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1468: </choices>
1469: </state>
1470: CHOOSE_STUDENTS1
1471:
1472: addMessage("<hr width='33%' /><b>Number of assignments printed at the same time: </b>");
1473: $paramHash = Apache::lonhelper::getParamHash();
1474: $paramHash->{'variable'} = 'NUMBER_TO_PRINT';
1475: $helper->declareVar('NUMBER_TO_PRINT');
1476: addMessage("<input type='text' name='NUMBER_TO_PRINT.forminput' size='3' value='0' /><hr width='33%' />");
1477: }
1478:
1479: # FIXME: That RE should come from a library somewhere.
1480: if ((((&Apache::lonnet::allowed('bre',$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 $subdir ne '/home/httpd/html/res/') {
1481: push @{$printChoices}, ["<b>Problems</b> from current subdirectory <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1482:
1483: my $f = '$filename';
1484: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1485: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1486: <message>(mark them then click "next" button) <br /></message>
1487: <files variable="FILES" multichoice='1'>
1488: <nextstate>PAGESIZE</nextstate>
1489: <filechoice>return '$subdir';</filechoice>
1490: CHOOSE_FROM_SUBDIR
1491:
1492: # this is broken up because I really want interpolation above,
1493: # and I really DON'T want it below
1494: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1495: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1496: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1497: </filefilter>
1498: </files>
1499: </state>
1500: CHOOSE_FROM_SUBDIR
1501: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1502: }
1503:
1504: # Allow the user to select any sequence in the course, feed it to
1505: # another resource selector for that sequence
1506: if (!$helper->{VARS}->{'construction'}) {
1507: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1508: 'select_sequences', 'CHOOSE_SEQUENCE'];
1509: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
1510: #Escape apostrophes and backslashes for Perl
1511: $escapedSequenceName =~ s/\\/\\\\/g;
1512: $escapedSequenceName =~ s/'/\\'/g;
1513: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1514: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
1515: <message>Select the sequence to print resources from:</message>
1516: <resource variable="SEQUENCE">
1517: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1518: <filterfunc>return \$res->is_sequence;</filterfunc>
1519: <valuefunc>return $urlValue;</valuefunc>
1520: </resource>
1521: </state>
1522: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
1523: <message>(mark desired resources then click "next" button) <br /></message>
1524: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1525: <nextstate>PAGESIZE</nextstate>
1526: <filterfunc>return $isProblem</filterfunc>
1527: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1528: <valuefunc>return $symbFilter;</valuefunc>
1529: </resource>
1530: </state>
1531: CHOOSE_FROM_ANY_SEQUENCE
1532: }
1533:
1534: # Generate the first state, to select which resources get printed.
1535: Apache::lonhelper::state->new("START", "Select Printing Options:");
1536: $paramHash = Apache::lonhelper::getParamHash();
1537: $paramHash->{MESSAGE_TEXT} = "";
1538: Apache::lonhelper::message->new();
1539: $paramHash = Apache::lonhelper::getParamHash();
1540: $paramHash->{'variable'} = 'PRINT_TYPE';
1541: $helper->declareVar('PRINT_TYPE');
1542: $paramHash->{CHOICES} = $printChoices;
1543: Apache::lonhelper::choices->new();
1544:
1545: my $startedTable = 0; # have we started an HTML table yet? (need
1546: # to close it later)
1547:
1548: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1549: ($helper->{VARS}->{'construction'} eq '1')) {
1550: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1551: $paramHash = Apache::lonhelper::getParamHash();
1552: $paramHash->{'variable'} = 'ANSWER_TYPE';
1553: $helper->declareVar('ANSWER_TYPE');
1554: $paramHash->{CHOICES} = [
1555: ['Without Answers', 'yes'],
1556: ['With Answers', 'no'],
1557: ['Only Answers', 'only'] ];
1558: Apache::lonhelper::dropdown->new();
1559: addMessage("</td></tr>");
1560: $startedTable = 1;
1561: }
1562:
1563: if ($ENV{'request.role.adv'}) {
1564: if (!$startedTable) {
1565: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
1566: $startedTable = 1;
1567: } else {
1568: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
1569: }
1570: $paramHash = Apache::lonhelper::getParamHash();
1571: $paramHash->{'variable'} = 'LATEX_TYPE';
1572: $helper->declareVar('LATEX_TYPE');
1573: if ($helper->{VARS}->{'construction'} eq '1') {
1574: $paramHash->{CHOICES} = [
1575: ['standard LaTeX mode', 'standard'],
1576: ['LaTeX batchmode', 'batchmode'], ];
1577: } else {
1578: $paramHash->{CHOICES} = [
1579: ['LaTeX batchmode', 'batchmode'],
1580: ['standard LaTeX mode', 'standard'] ];
1581: }
1582: Apache::lonhelper::dropdown->new();
1583:
1584: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1585: $paramHash = Apache::lonhelper::getParamHash();
1586: $paramHash->{'variable'} = 'TABLE_CONTENTS';
1587: $helper->declareVar('TABLE_CONTENTS');
1588: $paramHash->{CHOICES} = [
1589: ['No', 'no'],
1590: ['Yes', 'yes'] ];
1591: Apache::lonhelper::dropdown->new();
1592: addMessage("</td></tr>");
1593:
1594: if (not $helper->{VARS}->{'construction'}) {
1595: addMessage("<tr><td align='right'>Print Index: </td><td>");
1596: $paramHash = Apache::lonhelper::getParamHash();
1597: $paramHash->{'variable'} = 'TABLE_INDEX';
1598: $helper->declareVar('TABLE_INDEX');
1599: $paramHash->{CHOICES} = [
1600: ['No', 'no'],
1601: ['Yes', 'yes'] ];
1602: Apache::lonhelper::dropdown->new();
1603: addMessage("</td></tr>");
1604: }
1605:
1606: if ($helper->{'VARS'}->{'construction'}) {
1607: my $stylevalue=$ENV{'construct.style'};
1608: my $xmlfrag .= <<"RNDSEED";
1609: <message><tr><td align='right'>Use random seed: </td><td></message>
1610: <string variable="curseed" size="15" maxlength="15">
1611: <defaultvalue>
1612: return $helper->{VARS}->{'curseed'};
1613: </defaultvalue>
1614: </string>
1615: <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1616: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1617: <message></td></tr></message>
1618: RNDSEED
1619: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1620: $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1621: }
1622: }
1623:
1624:
1625:
1626:
1627: if ($startedTable) {
1628: addMessage("</table>");
1629: }
1630:
1631: Apache::lonprintout::page_format_state->new("FORMAT");
1632:
1633: # Generate the PAGESIZE state which will offer the user the margin
1634: # choices if they select one column
1635: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
1636: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
1637:
1638:
1639: $helper->process();
1640:
1641: # MANUAL BAILOUT CONDITION:
1642: # If we're in the "final" state, bailout and return to handler
1643: if ($helper->{STATE} eq 'FINAL') {
1644: return $helper;
1645: }
1646:
1647: $r->print($helper->display());
1648:
1649: Apache::lonhelper::unregisterHelperTags();
1650:
1651: untie %hash;
1652:
1653: return OK;
1654: }
1655:
1656:
1657: 1;
1658:
1659: package Apache::lonprintout::page_format_state;
1660:
1661: =pod
1662:
1663: =head1 Helper element: page_format_state
1664:
1665: See lonhelper.pm documentation for discussion of the helper framework.
1666:
1667: Apache::lonprintout::page_format_state is an element that gives the
1668: user an opportunity to select the page layout they wish to print
1669: with: Number of columns, portrait/landscape, and paper size. If you
1670: want to change the paper size choices, change the @paperSize array
1671: contents in this package.
1672:
1673: page_format_state is always directly invoked in lonprintout.pm, so there
1674: is no tag interface. You actually pass parameters to the constructor.
1675:
1676: =over 4
1677:
1678: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1679:
1680: =back
1681:
1682: =cut
1683:
1684: use Apache::lonhelper;
1685:
1686: no strict;
1687: @ISA = ("Apache::lonhelper::element");
1688: use strict;
1689: use Apache::lonlocal;
1690:
1691: my $maxColumns = 2;
1692: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1693: "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1694: "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]",
1695: "A5 [148x210 mm]", "A6 [105x148 mm]" );
1696:
1697: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
1698: # Paper type
1699:
1700: sub new {
1701: my $self = Apache::lonhelper::element->new();
1702:
1703: shift;
1704:
1705: $self->{'variable'} = shift;
1706: my $helper = Apache::lonhelper::getHelper();
1707: $helper->declareVar($self->{'variable'});
1708: bless($self);
1709: return $self;
1710: }
1711:
1712: sub render {
1713: my $self = shift;
1714: my $helper = Apache::lonhelper::getHelper();
1715: my $result = '';
1716: my $var = $self->{'variable'};
1717: my $PageLayout=&mt('Page layout');
1718: my $NumberOfColumns=&mt('Number of columns');
1719: my $PaperType=&mt('Paper type');
1720: $result .= <<STATEHTML;
1721:
1722: <hr width="33%" />
1723: <table cellpadding="3">
1724: <tr>
1725: <td align="center"><b>$PageLayout</b></td>
1726: <td align="center"><b>$NumberOfColumns</b></td>
1727: <td align="center"><b>$PaperType</b></td>
1728: </tr>
1729: <tr>
1730: <td>
1731: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
1732: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
1733: </td>
1734: <td align="center">
1735: <select name="${var}.cols">
1736: STATEHTML
1737:
1738: my $i;
1739: for ($i = 1; $i <= $maxColumns; $i++) {
1740: if ($i == 2) {
1741: $result .= "<option value='$i' selected>$i</option>\n";
1742: } else {
1743: $result .= "<option value='$i'>$i</option>\n";
1744: }
1745: }
1746:
1747: $result .= "</select></td><td>\n";
1748: $result .= "<select name='${var}.paper'>\n";
1749:
1750: $i = 0;
1751: foreach (@paperSize) {
1752: if ($i == 0) {
1753: $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
1754: } else {
1755: $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
1756: }
1757: $i++;
1758: }
1759:
1760: $result .= "</select></td></tr></table>";
1761: return $result;
1762: }
1763:
1764: sub postprocess {
1765: my $self = shift;
1766:
1767: my $var = $self->{'variable'};
1768: my $helper = Apache::lonhelper->getHelper();
1769: $helper->{VARS}->{$var} =
1770: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
1771: $ENV{"form.$var.paper"};
1772: return 1;
1773: }
1774:
1775: 1;
1776:
1777: package Apache::lonprintout::page_size_state;
1778:
1779: =pod
1780:
1781: =head1 Helper element: page_size_state
1782:
1783: See lonhelper.pm documentation for discussion of the helper framework.
1784:
1785: Apache::lonprintout::page_size_state is an element that gives the
1786: user the opportunity to further refine the page settings if they
1787: select a single-column page.
1788:
1789: page_size_state is always directly invoked in lonprintout.pm, so there
1790: is no tag interface. You actually pass parameters to the constructor.
1791:
1792: =over 4
1793:
1794: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1795:
1796: =back
1797:
1798: =cut
1799:
1800: use Apache::lonhelper;
1801:
1802: no strict;
1803: @ISA = ("Apache::lonhelper::element");
1804: use strict;
1805:
1806:
1807:
1808: sub new {
1809: my $self = Apache::lonhelper::element->new();
1810:
1811: shift; # disturbs me (probably prevents subclassing) but works (drops
1812: # package descriptor)... - Jeremy
1813:
1814: $self->{'variable'} = shift;
1815: my $helper = Apache::lonhelper::getHelper();
1816: $helper->declareVar($self->{'variable'});
1817:
1818: # The variable name of the format element, so we can look into
1819: # $helper->{VARS} to figure out whether the columns are one or two
1820: $self->{'formatvar'} = shift;
1821:
1822: # The state to transition to after selection, or after discovering
1823: # the cols are not set to 1
1824: $self->{NEXTSTATE} = shift;
1825: bless($self);
1826: return $self;
1827: }
1828:
1829: sub render {
1830: my $self = shift;
1831: my $helper = Apache::lonhelper::getHelper();
1832: my $result = '';
1833: my $var = $self->{'variable'};
1834:
1835: if (defined $self->{ERROR_MSG}) {
1836: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
1837: }
1838:
1839: $result .= <<ELEMENTHTML;
1840:
1841: <p>How should the column be formatted?</p>
1842:
1843: <table cellpadding='3'>
1844: <tr>
1845: <td align='right'><b>Width</b>:</td>
1846: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
1847: <td align='left'>
1848: <select name='$var.widthunit'>
1849: <option>cm</option><option>in</option>
1850: </select>
1851: </td>
1852: </tr>
1853: <tr>
1854: <td align='right'><b>Height</b>:</td>
1855: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
1856: <td align='left'>
1857: <select name='$var.heightunit'>
1858: <option>cm</option><option>in</option>
1859: </select>
1860: </td>
1861: </tr>
1862: <tr>
1863: <td align='right'><b>Left margin</b>:</td>
1864: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
1865: <td align='left'>
1866: <select name='$var.lmarginunit'>
1867: <option>cm</option><option>in</option>
1868: </select>
1869: </td>
1870: </tr>
1871: </table>
1872:
1873: <p>Hint: Some instructors like to leave scratch space for the student by
1874: making the width much smaller then the width of the page.</p>
1875:
1876: ELEMENTHTML
1877:
1878: return $result;
1879: }
1880:
1881: # If the user didn't select 1 column, skip this state.
1882: sub preprocess {
1883: my $self = shift;
1884: my $helper = Apache::lonhelper::getHelper();
1885:
1886: my $format = $helper->{VARS}->{$self->{'formatvar'}};
1887: if (substr($format, 2, 1) ne '1') {
1888: $helper->changeState($self->{NEXTSTATE});
1889: }
1890:
1891: return 1;
1892: }
1893:
1894: sub postprocess {
1895: my $self = shift;
1896:
1897: my $var = $self->{'variable'};
1898: my $helper = Apache::lonhelper->getHelper();
1899: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
1900: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
1901: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
1902: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
1903: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
1904: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
1905:
1906: my $error = '';
1907:
1908: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
1909: # by an optional period, followed by digits, ending the string
1910:
1911: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1912: $error .= "Invalid width; please type only a number.<br />\n";
1913: }
1914: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1915: $error .= "Invalid height; please type only a number.<br />\n";
1916: }
1917: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1918: $error .= "Invalid left margin; please type only a number.<br />\n";
1919: }
1920:
1921: if (!$error) {
1922: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
1923: return 1;
1924: } else {
1925: $self->{ERROR_MSG} = $error;
1926: return 0;
1927: }
1928: }
1929:
1930:
1931:
1932: __END__
1933:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonprintout.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface