Annotation of loncom/interface/lonprintout.pm, revision 1.243
1.1 www 1: # The LearningOnline Network
2: # Printout
3: #
1.243 ! bowersj2 4: # $Id: lonprintout.pm,v 1.242 2003/09/29 20:06:20 sakharuk Exp $
1.11 albertel 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: #
1.1 www 28: # (Internal Server Error Handler
29: #
30: # (Login Screen
31: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
32: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
33: #
34: # 3/1/1 Gerd Kortemeyer)
35: #
36: # 3/1 Gerd Kortemeyer
37: #
1.3 sakharuk 38: # 9/17 Alex Sakharuk
39: #
1.1 www 40: package Apache::lonprintout;
41:
42: use strict;
1.10 albertel 43: use Apache::Constants qw(:common :http);
1.2 sakharuk 44: use Apache::lonxml;
45: use Apache::lonnet;
1.54 sakharuk 46: use Apache::loncommon;
1.13 sakharuk 47: use Apache::inputtags;
1.54 sakharuk 48: use Apache::grades;
1.13 sakharuk 49: use Apache::edit;
1.5 sakharuk 50: use Apache::File();
1.68 sakharuk 51: use Apache::lonnavmaps;
1.227 sakharuk 52: use Apache::lonratedt;
1.34 sakharuk 53: use POSIX qw(strftime);
1.60 sakharuk 54: use GDBM_File;
55:
56:
57: my %hash;
1.76 sakharuk 58: my $LaTeXwidth = 0;
1.3 sakharuk 59:
1.2 sakharuk 60:
1.71 sakharuk 61: sub latex_header_footer_remove {
62: my $text = shift;
63: $text =~ s/\\end{document}//;
64: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
65: return $text;
66: }
67:
68:
1.37 sakharuk 69: sub character_chart {
70: my $result = shift;
1.116 sakharuk 71: $result =~ s/&\#0?0?(7|9);//g;
72: $result =~ s/&\#0?(10|13);//g;
73: $result =~ s/&\#0?32;/ /g;
74: $result =~ s/&\#0?33;/!/g;
75: $result =~ s/&(\#0?34|quot);/\"/g;
76: $result =~ s/&\#0?35;/\\\#/g;
77: $result =~ s/&\#0?36;/\\\$/g;
78: $result =~ s/&\#0?37;/\\%/g;
79: $result =~ s/&(\#0?38|amp);/\\&/g;
80: $result =~ s/&\#(0?39|146);/\'/g;
81: $result =~ s/&\#0?40;/(/g;
82: $result =~ s/&\#0?41;/)/g;
83: $result =~ s/&\#0?42;/\*/g;
84: $result =~ s/&\#0?43;/\+/g;
85: $result =~ s/&\#(0?44|130);/,/g;
86: $result =~ s/&\#0?45;/-/g;
87: $result =~ s/&\#0?46;/\./g;
88: $result =~ s/&\#0?47;/\//g;
89: $result =~ s/&\#0?48;/0/g;
90: $result =~ s/&\#0?49;/1/g;
91: $result =~ s/&\#0?50;/2/g;
92: $result =~ s/&\#0?51;/3/g;
93: $result =~ s/&\#0?52;/4/g;
94: $result =~ s/&\#0?53;/5/g;
95: $result =~ s/&\#0?54;/6/g;
96: $result =~ s/&\#0?55;/7/g;
97: $result =~ s/&\#0?56;/8/g;
98: $result =~ s/&\#0?57;/9/g;
99: $result =~ s/&\#0?58;/:/g;
100: $result =~ s/&\#0?59;/;/g;
101: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
102: $result =~ s/&\#0?61;/\$=\$/g;
103: $result =~ s/&(\#0?62|gt|\#155);/\$>\$/g;
104: $result =~ s/&\#0?63;/\?/g;
105: $result =~ s/&\#0?65;/A/g;
106: $result =~ s/&\#0?66;/B/g;
107: $result =~ s/&\#0?67;/C/g;
108: $result =~ s/&\#0?68;/D/g;
109: $result =~ s/&\#0?69;/E/g;
110: $result =~ s/&\#0?70;/F/g;
111: $result =~ s/&\#0?71;/G/g;
112: $result =~ s/&\#0?72;/H/g;
113: $result =~ s/&\#0?73;/I/g;
114: $result =~ s/&\#0?74;/J/g;
115: $result =~ s/&\#0?75;/K/g;
116: $result =~ s/&\#0?76;/L/g;
117: $result =~ s/&\#0?77;/M/g;
118: $result =~ s/&\#0?78;/N/g;
119: $result =~ s/&\#0?79;/O/g;
120: $result =~ s/&\#0?80;/P/g;
121: $result =~ s/&\#0?81;/Q/g;
122: $result =~ s/&\#0?82;/R/g;
123: $result =~ s/&\#0?83;/S/g;
124: $result =~ s/&\#0?84;/T/g;
125: $result =~ s/&\#0?85;/U/g;
126: $result =~ s/&\#0?86;/V/g;
127: $result =~ s/&\#0?87;/W/g;
128: $result =~ s/&\#0?88;/X/g;
129: $result =~ s/&\#0?89;/Y/g;
130: $result =~ s/&\#0?90;/Z/g;
131: $result =~ s/&\#0?91;/[/g;
132: $result =~ s/&\#0?92;/\$\\setminus\$/g;
133: $result =~ s/&\#0?93;/]/g;
134: $result =~ s/&\#(0?94|136);/\$\\wedge\$/g;
135: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
136: $result =~ s/&\#(0?96|145);/\`/g;
137: $result =~ s/&\#0?97;/a/g;
138: $result =~ s/&\#0?98;/b/g;
139: $result =~ s/&\#0?99;/c/g;
140: $result =~ s/&\#100;/d/g;
141: $result =~ s/&\#101;/e/g;
142: $result =~ s/&\#102;/f/g;
143: $result =~ s/&\#103;/g/g;
144: $result =~ s/&\#104;/h/g;
145: $result =~ s/&\#105;/i/g;
146: $result =~ s/&\#106;/j/g;
147: $result =~ s/&\#107;/k/g;
148: $result =~ s/&\#108;/l/g;
149: $result =~ s/&\#109;/m/g;
150: $result =~ s/&\#110;/n/g;
151: $result =~ s/&\#111;/o/g;
152: $result =~ s/&\#112;/p/g;
153: $result =~ s/&\#113;/q/g;
154: $result =~ s/&\#114;/r/g;
155: $result =~ s/&\#115;/s/g;
156: $result =~ s/&\#116;/t/g;
157: $result =~ s/&\#117;/u/g;
158: $result =~ s/&\#118;/v/g;
159: $result =~ s/&\#119;/w/g;
160: $result =~ s/&\#120;/x/g;
161: $result =~ s/&\#121;/y/g;
162: $result =~ s/&\#122;/z/g;
163: $result =~ s/&\#123;/\\{/g;
164: $result =~ s/&\#124;/\|/g;
165: $result =~ s/&\#125;/\\}/g;
166: $result =~ s/&\#126;/\~/g;
167: $result =~ s/&\#131;/\\textflorin /g;
168: $result =~ s/&\#132;/\"/g;
169: $result =~ s/&\#133;/\$\\ldots\$/g;
170: $result =~ s/&\#134;/\$\\dagger\$/g;
171: $result =~ s/&\#135;/\$\\ddagger\$/g;
172: $result =~ s/&\#137;/\\textperthousand /g;
173: $result =~ s/&\#140;/{\\OE}/g;
174: $result =~ s/&\#147;/\`\`/g;
175: $result =~ s/&\#148;/\'\'/g;
176: $result =~ s/&\#149;/\$\\bullet\$/g;
177: $result =~ s/&\#150;/--/g;
178: $result =~ s/&\#151;/---/g;
179: $result =~ s/&\#152;/\$\\sim\$/g;
180: $result =~ s/&\#153;/\\texttrademark /g;
181: $result =~ s/&\#156;/\\oe/g;
182: $result =~ s/&\#159;/\\\"Y/g;
1.131 bowersj2 183: $result =~ s/&(\#160|nbsp);//g;
1.116 sakharuk 184: $result =~ s/&(\#161|iexcl);/!\`/g;
185: $result =~ s/&(\#162|cent);/\\textcent /g;
186: $result =~ s/&(\#163|pound);/\\pounds /g;
187: $result =~ s/&(\#164|curren);/\\textcurrency /g;
188: $result =~ s/&(\#165|yen);/\\textyen /g;
189: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
190: $result =~ s/&(\#167|sect);/\\textsection /g;
191: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
192: $result =~ s/&(\#169|copy);/\\copyright /g;
193: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
194: $result =~ s/&(\#172|not);/\$\\neg\$/g;
195: $result =~ s/&(\#173|shy);/ - /g;
196: $result =~ s/&(\#174|reg);/\\textregistered /g;
197: $result =~ s/&(\#175|macr);/\$^{-}\$/g;
198: $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g;
199: $result =~ s/&(\#177|plusmn);/\$\\pm\$/g;
200: $result =~ s/&(\#178|sup2);/\$^2\$/g;
201: $result =~ s/&(\#179|sup3);/\$^3\$/g;
202: $result =~ s/&(\#180|acute);/\\textacute /g;
203: $result =~ s/&(\#181|micro);/\$\\mu\$/g;
204: $result =~ s/&(\#182|para);/\\P/g;
205: $result =~ s/&(\#183|middot);/\$\\cdot\$/g;
206: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
207: $result =~ s/&(\#185|sup1);/\$^1\$/g;
208: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
209: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
210: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
211: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
212: $result =~ s/&(\#191|iquest);/?\`/g;
213: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
214: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
215: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
216: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
217: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
218: $result =~ s/&(\#197|Aring);/{\\AA}/g;
219: $result =~ s/&(\#198|AElig);/{\\AE}/g;
220: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
221: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
222: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
223: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
224: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
225: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
226: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
227: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
228: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
229: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
230: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
231: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
232: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
233: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
234: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
235: $result =~ s/&(\#215|times);/\$\\times\$/g;
236: $result =~ s/&(\#216|Oslash);/{\\O}/g;
237: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
238: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
239: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
240: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
241: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
242: $result =~ s/&(\#223|szlig);/\\ss/g;
243: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
244: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
245: $result =~ s/&(\#226|acirc);/\\^{a}/g;
246: $result =~ s/&(\#227|atilde);/\\~{a}/g;
247: $result =~ s/&(\#228|auml);/\\\"{a}/g;
248: $result =~ s/&(\#229|aring);/{\\aa}/g;
249: $result =~ s/&(\#230|aelig);/{\\ae}/g;
250: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
251: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
252: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
253: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
254: $result =~ s/&(\#235|euml);/\\\"{e}/g;
255: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
256: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
257: $result =~ s/&(\#238|icirc);/\\^{i}/g;
258: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
259: $result =~ s/&(\#240|eth);/\$\\partial\$/g;
260: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
261: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
262: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
263: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
264: $result =~ s/&(\#245|otilde);/\\~{o}/g;
265: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
266: $result =~ s/&(\#247|divide);/\$\\div\$/g;
267: $result =~ s/&(\#248|oslash);/{\\o}/g;
268: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
269: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
270: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
271: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
272: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
273: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
274: $result =~ s/&\#952;/\$\\theta\$/g;
1.117 sakharuk 275: #Greek Alphabet
276: $result =~ s/&(alpha|\#945);/\$\\alpha \$/g;
277: $result =~ s/&(beta|\#946);/\$\\beta \$/g;
278: $result =~ s/&(gamma|\#947);/\$\\gamma \$/g;
279: $result =~ s/&(delta|\#948);/\$\\delta \$/g;
280: $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g;
281: $result =~ s/&(zeta|\#950);/\$\\zeta \$/g;
282: $result =~ s/&(eta|\#951);/\$\\eta \$/g;
283: $result =~ s/&(theta|\#952);/\$\\theta \$/g;
284: $result =~ s/&(iota|\#953);/\$\\iota \$/g;
285: $result =~ s/&(kappa|\#954);/\$\\kappa \$/g;
286: $result =~ s/&(lambda|\#955);/\$\\lambda \$/g;
287: $result =~ s/&(mu|\#956);/\$\\mu \$/g;
288: $result =~ s/&(nu|\#957);/\$\\nu \$/g;
289: $result =~ s/&(xi|\#958);/\$\\xi \$/g;
1.199 sakharuk 290: $result =~ s/&(omicron|\#959);/o/g;
1.117 sakharuk 291: $result =~ s/&(pi|\#960);/\$\\pi \$/g;
292: $result =~ s/&(rho|\#961);/\$\\rho \$/g;
293: $result =~ s/&(sigma|\#963);/\$\\sigma \$/g;
294: $result =~ s/&(tau|\#964);/\$\\tau \$/g;
295: $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g;
296: $result =~ s/&(phi|\#966);/\$\\phi \$/g;
297: $result =~ s/&(chi|\#967);/\$\\chi \$/g;
298: $result =~ s/&(psi|\#968);/\$\\psi \$/g;
299: $result =~ s/&(omega|\#969);/\$\\omega \$/g;
1.199 sakharuk 300: $result =~ s/&(thetasym|\#977);/\$\\vartheta \$/g;
301: $result =~ s/&(piv|\#982);/\$\\varpi \$/g;
302: $result =~ s/&(Alpha|\#913);/A/g;
303: $result =~ s/&(Beta|\#914);/B/g;
1.117 sakharuk 304: $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g;
305: $result =~ s/&(Delta|\#916);/\$\\Delta \$/g;
1.199 sakharuk 306: $result =~ s/&(Epsilon|\#917);/E/g;
307: $result =~ s/&(Zeta|\#918);/Z/g;
308: $result =~ s/&(Eta|\#919);/H/g;
1.117 sakharuk 309: $result =~ s/&(Theta|\#920);/\$\\Theta \$/g;
1.199 sakharuk 310: $result =~ s/&(Iota|\#921);/I/g;
311: $result =~ s/&(Kappa|\#922);/K/g;
1.117 sakharuk 312: $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g;
1.199 sakharuk 313: $result =~ s/&(Mu|\#924);/M/g;
314: $result =~ s/&(Nu|\#925);/N/g;
1.117 sakharuk 315: $result =~ s/&(Xi|\#926);/\$\\Xi \$/g;
1.199 sakharuk 316: $result =~ s/&(Omicron|\#927);/O/g;
1.117 sakharuk 317: $result =~ s/&(Pi|\#928);/\$\\Pi \$/g;
1.199 sakharuk 318: $result =~ s/&(Rho|\#929);/P/g;
1.117 sakharuk 319: $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g;
1.199 sakharuk 320: $result =~ s/&(Tau|\#932);/T/g;
1.117 sakharuk 321: $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g;
322: $result =~ s/&(Phi|\#934);/\$\\Phi \$/g;
1.199 sakharuk 323: $result =~ s/&(Chi|\#935);/X/g;
1.117 sakharuk 324: $result =~ s/&(Psi|\#936);/\$\\Psi \$/g;
325: $result =~ s/&(Omega|\#937);/\$\\Omega \$/g;
1.199 sakharuk 326: #Arrows (extended HTML 4.01)
327: $result =~ s/&(larr|\#8592);/\$\\leftarrow \$/g;
328: $result =~ s/&(uarr|\#8593);/\$\\uparrow \$/g;
329: $result =~ s/&(rarr|\#8594);/\$\\rightarrow \$/g;
330: $result =~ s/&(darr|\#8595);/\$\\downarrow \$/g;
331: $result =~ s/&(harr|\#8596);/\$\\leftrightarrow \$/g;
332: $result =~ s/&(lArr|\#8656);/\$\\Leftarrow \$/g;
333: $result =~ s/&(uArr|\#8657);/\$\\Uparrow \$/g;
334: $result =~ s/&(rArr|\#8658);/\$\\Rightarrow \$/g;
335: $result =~ s/&(dArr|\#8659);/\$\\Downarrow \$/g;
336: $result =~ s/&(hArr|\#8660);/\$\\Leftrightarrow \$/g;
337: #Mathematical Operators (extended HTML 4.01)
338: $result =~ s/&(forall|\#8704);/\$\\forall \$/g;
339: $result =~ s/&(part|\#8706);/\$\\partial \$/g;
340: $result =~ s/&(exist|\#8707);/\$\\exists \$/g;
341: $result =~ s/&(empty|\#8709);/\$\\emptyset \$/g;
342: $result =~ s/&(nabla|\#8711);/\$\\nabla \$/g;
343: $result =~ s/&(isin|\#8712);/\$\\in \$/g;
344: $result =~ s/&(notin|\#8713);/\$\\notin \$/g;
345: $result =~ s/&(ni|\#8715);/\$\\ni \$/g;
346: $result =~ s/&(prod|\#8719);/\$\\prod \$/g;
347: $result =~ s/&(sum|\#8721);/\$\\sum \$/g;
348: $result =~ s/&(minus|\#8722);/\$-\$/g;
349: $result =~ s/&(lowast|\#8727);/\$*\$/g;
350: $result =~ s/&(radic|\#8730);/\$\\surd \$/g;
351: $result =~ s/&(prop|\#8733);/\$\\propto \$/g;
352: $result =~ s/&(infin|\#8734);/\$\\infty \$/g;
353: $result =~ s/&(ang|\#8736);/\$\\angle \$/g;
354: $result =~ s/&(and|\#8743);/\$\\wedge \$/g;
355: $result =~ s/&(or|\#8744);/\$\\vee \$/g;
356: $result =~ s/&(cap|\#8745);/\$\\cap \$/g;
357: $result =~ s/&(cup|\#8746);/\$\\cup \$/g;
358: $result =~ s/&(int|\#8747);/\$\\int \$/g;
359: $result =~ s/&(sim|\#8764);/\$\\sim \$/g;
360: $result =~ s/&(cong|\#8773);/\$\\cong \$/g;
361: $result =~ s/&(asymp|\#8776);/\$\\approx \$/g;
362: $result =~ s/&(ne|\#8800);/\$\\not= \$/g;
363: $result =~ s/&(equiv|\#8801);/\$\\equiv \$/g;
364: $result =~ s/&(le|\#8804);/\$\\leq \$/g;
365: $result =~ s/&(ge|\#8805);/\$\\geq \$/g;
366: $result =~ s/&(sub|\#8834);/\$\\subset \$/g;
367: $result =~ s/&(sup|\#8835);/\$\\supset \$/g;
368: $result =~ s/&(nsub|\#8836);/\$\\not\\subset \$/g;
369: $result =~ s/&(sube|\#8838);/\$\\subseteq \$/g;
370: $result =~ s/&(supe|\#8839);/\$\\supseteq \$/g;
371: $result =~ s/&(oplus|\#8853);/\$\\oplus \$/g;
372: $result =~ s/&(otimes|\#8855);/\$\\otimes \$/g;
373: $result =~ s/&(perp|\#8869);/\$\\perp \$/g;
374: $result =~ s/&(sdot|\#8901);/\$\\cdot \$/g;
375: #Geometric Shapes (extended HTML 4.01)
376: $result =~ s/&(loz|\#9674);/\$\\Diamond \$/g;
377: #Miscellaneous Symbols (extended HTML 4.01)
378: $result =~ s/&(spades|\#9824);/\$\\spadesuit \$/g;
379: $result =~ s/&(clubs|\#9827);/\$\\clubsuit \$/g;
380: $result =~ s/&(hearts|\#9829);/\$\\heartsuit \$/g;
381: $result =~ s/&(diams|\#9830);/\$\\diamondsuit \$/g;
1.37 sakharuk 382: return $result;
383: }
1.41 sakharuk 384:
385:
1.177 sakharuk 386: sub page_format {
1.140 sakharuk 387: #
388: #Correspondence between $papersize variable and real paper format:
389: # 0 - "Letter [8 1/2x11 in]"
390: # 1 - "Legal [8 1/2x14 in]"
391: # 2 - "Ledger/Tabloid [11x17 in]"
392: # 3 - "Executive [7 1/2x10 in]"
393: # 4 - "A2 [420x594 mm]"
394: # 5 - "A3 [297x420 mm]"
395: # 6 - "A4 [210x297 mm]"
396: # 7 - "A5 [148x210 mm]"
397: # 8 - "A6 [105x148 mm]"
398: #
399: my ($papersize,$layout,$numberofcolumns) = @_;
1.202 sakharuk 400: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = (0,0,0,0,0);
1.140 sakharuk 401: if ($papersize eq '0') {
402: if ($layout eq 'book') {
403: if ($numberofcolumns == 1) {
1.190 sakharuk 404: $textwidth = '7.1 in'; #'18 cm';
405: $textheight = '10.2 in'; #'25.9 cm';
1.140 sakharuk 406: $oddoffset = '-0.57 in';
407: $evenoffset = '-0.57 in';
408: } elsif ($numberofcolumns == 2) {
1.190 sakharuk 409: $textwidth = '3.66 in'; #'93 mm';
410: $textheight = '10.2 in'; #'25.9 cm';
1.140 sakharuk 411: $oddoffset = '-0.57 in';
412: $evenoffset = '-0.57 in';
413: }
414: } elsif ($layout eq 'album') {
415: if ($numberofcolumns eq '1') {
416: $textwidth = '8.8 in';
417: $textheight = '6.8 in';
418: $oddoffset = '-40 pt';
419: $evenoffset = '-60 pt';
420: } elsif ($numberofcolumns == 2) {
1.202 sakharuk 421: $textwidth = '4.4 in';
1.140 sakharuk 422: $textheight = '6.8 in';
1.202 sakharuk 423: $oddoffset = '-0.5 in';
424: $evenoffset = '-1.5 in';
425: $topmargin = '3.5 in';
1.140 sakharuk 426: }
427: }
428: # } elsif($papersize eq '1') {
429: # } elsif($papersize eq '2') {
430: # } elsif($papersize eq '3'/) {
431: } elsif($papersize eq '6') {
432: if ($layout eq 'book') {
433: if ($numberofcolumns == 1) {
434: $textwidth = '18 cm';
435: $textheight = '28 cm';
436: $oddoffset = '-0.57 in';
437: $evenoffset = '-0.57 in';
438: } elsif ($numberofcolumns == 2) {
439: $textwidth = '96 mm';
440: $textheight = '2 cm';
441: $oddoffset = '-0.57 in';
442: $evenoffset = '-0.57 in';
443: }
444: } elsif ($layout eq 'album') {
445: if ($numberofcolumns eq '1') {
446: $textwidth = '8.5 in';
447: $textheight = '7.7 in';
448: $oddoffset = '-40 pt';
449: $evenoffset = '-60 pt';
450: } elsif ($numberofcolumns == 2) {
451: $textwidth = '3.9 in';
452: $textheight = '7.7 in';
453: $oddoffset = '-40 pt';
454: $evenoffset = '-60 pt';
455: }
456: }
457: # } elsif($papersize eq '5') {
458: # } elsif($papersize eq '4') {
459: # } elsif($papersize eq '7') {
460: # } elsif($papersize eq '8') {
1.76 sakharuk 461: }
1.202 sakharuk 462: return $textwidth,$textheight,$oddoffset,$evenoffset,$topmargin;
1.140 sakharuk 463: }
1.76 sakharuk 464:
465:
1.126 albertel 466: sub get_name {
467: my ($uname,$udom)=@_;
468: if (!defined($uname)) { $uname=$ENV{'user.name'}; }
1.212 albertel 469: if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
1.126 albertel 470: my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213 albertel 471: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
472: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
473: return $plainname;
1.126 albertel 474: }
475:
1.213 albertel 476: sub get_course {
477: my $courseidinfo;
478: if (defined($ENV{'request.course.id'})) {
479: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
480: }
481: return $courseidinfo;
482: }
1.177 sakharuk 483:
1.76 sakharuk 484: sub page_format_transformation {
1.214 sakharuk 485: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist) = @_;
1.202 sakharuk 486: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.222 sakharuk 487: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1.213 albertel 488: if ($numberofcolumns != 1) {
489: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
490: } else {
491: ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'});
492: }
1.126 albertel 493: my $name = &get_name();
1.213 albertel 494: my $courseidinfo = &get_course();
495: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.140 sakharuk 496: if ($layout eq 'album') {
1.202 sakharuk 497: my $topmargintoinsert = '';
498: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.213 albertel 499: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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} /;
1.140 sakharuk 500: } elsif ($layout eq 'book') {
501: if ($choice ne 'All class print') {
1.213 albertel 502: $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}/;
1.140 sakharuk 503: } else {
1.190 sakharuk 504: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /;
1.140 sakharuk 505: }
506: }
1.214 sakharuk 507: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
508: if ($indexlist eq 'yes') {
509: $text=~s/(\\begin{document})/\\makeindex $1/;
510: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
511: }
1.140 sakharuk 512: return $text;
513: }
514:
515:
1.33 sakharuk 516: sub page_cleanup {
517: my $result = shift;
1.65 sakharuk 518:
519: $result =~ m/\\end{document}(\d*)$/;
1.34 sakharuk 520: my $number_of_columns = $1;
1.33 sakharuk 521: my $insert = '{';
1.34 sakharuk 522: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33 sakharuk 523: $insert .= '}';
1.65 sakharuk 524: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34 sakharuk 525: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
526: return $result,$number_of_columns;
1.7 sakharuk 527: }
1.5 sakharuk 528:
1.3 sakharuk 529:
1.60 sakharuk 530: sub details_for_menu {
531:
532: my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
533: my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
1.233 www 534: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123 albertel 535: $map=&Apache::lonnet::clutter($map);
1.102 sakharuk 536: my $name_of_sequence;
1.123 albertel 537: $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}};
1.63 albertel 538: if ($name_of_sequence =~ /^\s*$/) {
1.123 albertel 539: $map =~ m|([^/]+)$|;
540: $name_of_sequence = $1;
1.63 albertel 541: }
1.123 albertel 542: my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}};
1.63 albertel 543: if ($name_of_map =~ /^\s*$/) {
1.123 albertel 544: $ENV{'request.course.uri'} =~ m|([^/]+)$|;
545: $name_of_map = $1;
546: }
1.63 albertel 547: return ($name_of_resourse,$name_of_sequence,$name_of_map);
1.60 sakharuk 548:
1.76 sakharuk 549: }
550:
551:
552: sub latex_corrections {
553:
554: my ($number_of_columns,$result) = @_;
555:
1.185 sakharuk 556: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76 sakharuk 557: $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91 sakharuk 558: $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/;
559: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
560: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76 sakharuk 561: #-- LaTeX corrections
562: my $first_comment = index($result,'<!--',0);
563: while ($first_comment != -1) {
564: my $end_comment = index($result,'-->',$first_comment);
565: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
566: $first_comment = index($result,'<!--',$first_comment);
567: }
568: $result =~ s/^\s+$//gm; #remove empty lines
1.94 sakharuk 569: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
1.76 sakharuk 570: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
571: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
572: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
573: $result =~ s/\\\\\s+\[/ \[/g;
574: $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
575: #conversion of html characters to LaTeX equivalents
576: if ($result =~ m/&(\w+|#\d+);/) {
577: $result = &character_chart($result);
578: }
579: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
580: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
581:
582: return $result;
1.60 sakharuk 583: }
584:
1.3 sakharuk 585:
1.214 sakharuk 586: sub index_table {
587: my $currentURL = shift;
588: my $insex_string='';
589: $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
590: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
591: return $insex_string;
592: }
593:
594:
1.215 sakharuk 595: sub IndexCreation {
596: my ($texversion,$currentURL)=@_;
597: my @key_words=split(/,/,&index_table($currentURL));
598: my $chunk='';
599: my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
600: if ($st>0) {
601: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
602: $chunk=substr($texversion,0,$st+1);
603: substr($texversion,0,$st+1)=' ';
604: }
605: foreach my $key_word (@key_words) {
606: if ($key_word=~/\S+/) {
607: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
608: }
609: }
610: if ($st>0) {substr($texversion,0,1)=$chunk;}
611: return $texversion;
612: }
613:
1.242 sakharuk 614: sub print_latex_header {
615: my $mode=shift;
616: my $output='\documentclass[letterpaper]{article}';
617: if ($mode eq 'batchmode') {
618: $output.='\batchmode';
619: }
620: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'.
621: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
622: '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
623: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
624: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
625: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
626: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
627: '\setlength{\abovedisplayshortskip}{-0.04in}'.
628: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
629: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
630: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
631: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
632: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
633: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
634: '\setlength{\abovedisplayshortskip}{-0.04in}'.
635: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
636: return $output;
637: }
638:
639: sub path_to_problem {
640: my ($urlp,$LaTeXwidth)=@_;
641: my $newurlp = '';
642: $LaTeXwidth=~s/\s*mm\s*$//;
643: my $HowMany = length($urlp)*2;
644: if ($HowMany > $LaTeXwidth) {
645: my @temporrary = split '/',$urlp;
646: my $HowManyNew = 0;
647: for (my $ii=0;$ii<=$#temporrary;$ii++) {
648: if ($temporrary[$ii] ne '') {
649: $HowManyNew += length($temporrary[$ii])*2;
650: if ($HowManyNew < $LaTeXwidth ) {
651: $newurlp .= '/'.$temporrary[$ii];
652: } else {
653: $HowManyNew = 0;
654: $newurlp .= '|\vskip -1 mm \noindent \verb|';
655: $ii--;
656: }
657: }
658: }
659: }
660: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
661: }
1.215 sakharuk 662:
1.177 sakharuk 663: sub output_data {
1.184 sakharuk 664: my ($r,$helper,$rparmhash) = @_;
665: my %parmhash = %$rparmhash;
1.187 www 666: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
1.140 sakharuk 667: $r->print(<<ENDPART);
668: <html>
669: <head>
670: <title>LON-CAPA output for printing</title>
671: </head>
1.187 www 672: $bodytag
673: Please stand by while processing your print request, this may take some time ...
1.140 sakharuk 674: ENDPART
675:
676: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
677: my ($result,$selectionmade) = ('','');
678: my $number_of_columns = 1; #used only for pages to determine the width of the cell
679: my @temporary_array=split /\|/,$format_from_helper;
680: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
681: if ($laystyle eq 'L') {
682: $laystyle='album';
683: } else {
684: $laystyle='book';
685: }
1.177 sakharuk 686: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.140 sakharuk 687: my $assignment = $ENV{'form.assignment'};
688: my $LaTeXwidth;
1.190 sakharuk 689: if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
1.140 sakharuk 690: $LaTeXwidth = $1*10;
1.190 sakharuk 691: } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
1.140 sakharuk 692: $LaTeXwidth = $1;
1.190 sakharuk 693: } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
1.140 sakharuk 694: $LaTeXwidth = $1*25.4;
695: }
696: $LaTeXwidth.=' mm';
1.153 sakharuk 697:
1.140 sakharuk 698: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143 sakharuk 699: #-- single document - problem, page, html, xml, ...
700: my $currentURL;
1.162 sakharuk 701: if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185 sakharuk 702: #prints published resource
1.153 sakharuk 703: $currentURL=$helper->{'VARS'}->{'postdata'};
1.143 sakharuk 704: } else {
1.185 sakharuk 705: #prints resource from the construction space
1.240 albertel 706: $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206 sakharuk 707: if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.143 sakharuk 708: }
1.140 sakharuk 709: $selectionmade = 1;
1.143 sakharuk 710: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169 albertel 711: my $rndseed=time;
1.242 sakharuk 712: my $texversion='';
713: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
714: my %moreenv;
715: $moreenv{'request.filename'}=$currentURL;
716: my %form;
717: $form{'grade_target'}='tex';
718: $form{'textwidth'}=$LaTeXwidth;
719: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
720: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
721: if ($helper->{'VARS'}->{'curseed'}) {
722: $rndseed=$helper->{'VARS'}->{'curseed'};
723: }
724: $form{'rndseed'}=$rndseed;
725: &Apache::lonnet::appenv(%moreenv);
726: &Apache::lonnet::delenv('form.counter');
727: &Apache::lonxml::init_counter();
728: $texversion=&Apache::lonnet::ssi($currentURL,%form);
729: &Apache::lonnet::delenv('form.counter');
730: &Apache::lonnet::delenv('request.filename');
1.230 albertel 731: }
1.242 sakharuk 732: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
733: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.166 albertel 734: my %form;
735: $form{'grade_target'}='answer';
1.167 albertel 736: $form{'answer_output_mode'}='tex';
1.169 albertel 737: $form{'rndseed'}=$rndseed;
1.166 albertel 738: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242 sakharuk 739: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
740: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
741: } else {
742: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
743: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
744: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
745: $texversion.='\vskip 1 mm '.$answer.'\end{document}';
746: }
1.163 sakharuk 747: }
1.214 sakharuk 748: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215 sakharuk 749: $texversion=&IndexCreation($texversion,$currentURL);
1.214 sakharuk 750: }
1.219 sakharuk 751: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
752: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
753:
754: }
1.162 sakharuk 755: $result .= $texversion;
756: if ($currentURL=~m/\.page\s*$/) {
757: ($result,$number_of_columns) = &page_cleanup($result);
758: }
1.227 sakharuk 759: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
760: #printing content of sequence from the construction space
761: my $flag_latex_header_remove = 'NO';
762: my $rndseed=time;
1.231 albertel 763: if ($helper->{'VARS'}->{'curseed'}) {
764: $rndseed=$helper->{'VARS'}->{'curseed'};
765: }
1.227 sakharuk 766: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
767: my $errtext=&Apache::lonratedt::mapread($currentURL);
768: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
769: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
770: my $urlp=$2;
771: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
772: my %form;
773: $form{'grade_target'}='tex';
774: $form{'textwidth'}=$LaTeXwidth;
1.232 sakharuk 775: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
776: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.227 sakharuk 777: $form{'rndseed'}=$rndseed;
778: my $texversion=&Apache::lonnet::ssi($urlp,%form);
779: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
780: my %form;
781: $form{'grade_target'}='answer';
782: $form{'answer_output_mode'}='tex';
783: $form{'rndseed'}=$rndseed;
1.232 sakharuk 784: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
1.227 sakharuk 785: my $answer=&Apache::lonnet::ssi($urlp,%form);
786: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
787: }
788: if ($flag_latex_header_remove ne 'NO') {
789: $texversion = &latex_header_footer_remove($texversion);
790: } else {
791: $texversion =~ s/\\end{document}//;
792: }
793: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
794: $texversion=&IndexCreation($texversion,$urlp);
795: }
1.232 sakharuk 796: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1.227 sakharuk 797: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
798: }
799: $result.=$texversion;
800: $flag_latex_header_remove = 'YES';
801: } elsif ($urlp=~/\.(sequence|page)$/) {
1.229 sakharuk 802: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1.227 sakharuk 803: }
804: }
1.228 sakharuk 805: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.227 sakharuk 806: $result .= '\end{document}';
1.162 sakharuk 807: } else {
1.227 sakharuk 808: $result.='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
1.207 sakharuk 809: if ($currentURL=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
810: $result.=$1;
811: } elsif ($currentURL=~/\/ext\//) {
812: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
813: } else {
814: $result.=$currentURL;
815: }
816: $result.=' \end{document}'
1.162 sakharuk 817: }
1.142 sakharuk 818: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
819: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
820: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')) {
1.141 sakharuk 821: #-- produce an output string
1.193 sakharuk 822: my %form=();
823: $form{'grade_target'}='tex';
824: $form{'textwidth'}=$LaTeXwidth;
825: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.203 sakharuk 826: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.141 sakharuk 827: my $flag_latex_header_remove = 'NO';
828: my $flag_page_in_sequence = 'NO';
829: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193 sakharuk 830: my $prevassignment='';
1.201 sakharuk 831: &Apache::lonnet::delenv('form.counter');
832: &Apache::lonxml::init_counter();
1.141 sakharuk 833: for (my $i=0;$i<=$#master_seq;$i++) {
1.236 albertel 834: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237 albertel 835: $urlp=&Apache::lonnet::clutter($urlp);
1.141 sakharuk 836: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1.142 sakharuk 837: $selectionmade = 2;
838: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
839: $selectionmade = 3;
840: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
841: $selectionmade = 4;
1.141 sakharuk 842: }
1.166 albertel 843: $form{'symb'}=$master_seq[$i];
1.236 albertel 844: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
845: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1.141 sakharuk 846: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
1.166 albertel 847: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.141 sakharuk 848: if ($urlp=~/\.page$/) {
849: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
850: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
851: $texversion =~ s/\\end{document}\d*/\\end{document}/;
852: $flag_page_in_sequence = 'YES';
853: }
854: if ($flag_latex_header_remove ne 'NO') {
855: $texversion = &latex_header_footer_remove($texversion);
856: } else {
857: $texversion =~ s/\\end{document}//;
1.171 sakharuk 858: }
859: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
860: my %form;
861: $form{'grade_target'}='answer';
862: $form{'answer_output_mode'}='tex';
863: my $answer=&Apache::lonnet::ssi($urlp,%form);
864: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.141 sakharuk 865: }
1.215 sakharuk 866: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
867: $texversion=&IndexCreation($texversion,$urlp);
868: }
1.198 sakharuk 869: if (($selectionmade == 4) and ($assignment ne $prevassignment) and ($i>=1)) {
1.213 albertel 870: my ($name,$courseidinfo) = &get_name;
1.217 sakharuk 871: $courseidinfo = &get_course();
1.213 albertel 872: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.193 sakharuk 873: $prevassignment=$assignment;
1.213 albertel 874: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
1.193 sakharuk 875: }
876: $result .= $texversion;
1.141 sakharuk 877: $flag_latex_header_remove = 'YES';
878: }
879: &Apache::lonnet::delenv('form.counter');
880: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
881: $result .= '\end{document}';
1.150 sakharuk 882: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
883: #-- prints assignments for whole class or for selected students
884: $selectionmade=5;
885: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
886: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
887: #loop over students
888: my $flag_latex_header_remove = 'NO';
889: my %moreenv;
890: $moreenv{'form.textwidth'}=$LaTeXwidth;
891: &Apache::lonnet::appenv(%moreenv);
892: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
893: foreach my $person (@students) {
894: my $current_output = '';
1.140 sakharuk 895: # my ($usersection,$username,$userdomain) = split /:/,$person;
1.150 sakharuk 896: my ($username,$userdomain) = split /:/,$person;
897: my $fullname = &get_name($username,$userdomain);
1.196 sakharuk 898:
1.197 sakharuk 899: if ($parmhash{'anonymous_quiz'}=~/yes/) {$fullname=' ';} #put here something reasonable for anonymous exams or quiz
1.150 sakharuk 900: #goes through all resources, checks if they are available for current student, and produces output
1.201 sakharuk 901: &Apache::lonnet::delenv('form.counter');
902: &Apache::lonxml::init_counter();
1.150 sakharuk 903: foreach my $curresline (@master_seq) {
904: if ($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.233 www 905: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1.150 sakharuk 906: if (&Apache::lonnet::allowed('bre',$res_url)) {
907: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,
908: $ENV{'request.course.id'},'tex');
909: if ($flag_latex_header_remove eq 'YES') {
910: $rendered = &latex_header_footer_remove($rendered);
911: } else {
912: $rendered =~ s/\\end{document}//;
1.173 sakharuk 913: }
914: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
915: my %form;
916: $form{'answer_output_mode'}='tex';
1.203 sakharuk 917: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.193 sakharuk 918: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
1.173 sakharuk 919: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1.150 sakharuk 920: }
921: $current_output .= $rendered;
922: }
923: $flag_latex_header_remove = 'YES';
924: }
925: }
1.213 albertel 926: my $courseidinfo = &get_course();
927: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.221 sakharuk 928: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.150 sakharuk 929: if ($current_output=~/\\documentclass/) {
1.221 sakharuk 930: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
1.150 sakharuk 931: } else {
932: my $blanspages = '';
933: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
1.221 sakharuk 934: $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$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;
1.150 sakharuk 935: }
936: $result .= $current_output;
937: &Apache::lonnet::delenv('form.counter');
938: &Apache::lonxml::init_counter();
939: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
940: 'last student '.$fullname);
941: }
942: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
943: $result .= '\end{document}';
944: &Apache::lonnet::delenv('form.textwidth');
1.151 sakharuk 945: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
946: #prints selected problems from the subdirectory
947: $selectionmade = 6;
948: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154 sakharuk 949: @list_of_files=sort @list_of_files;
1.175 sakharuk 950: my $flag_latex_header_remove = 'NO';
951: my $rndseed=time;
1.230 albertel 952: if ($helper->{'VARS'}->{'curseed'}) {
953: $rndseed=$helper->{'VARS'}->{'curseed'};
954: }
1.151 sakharuk 955: for (my $i=0;$i<=$#list_of_files;$i++) {
1.152 sakharuk 956: my $urlp = $list_of_files[$i];
957: if ($urlp=~/\//) {
1.166 albertel 958: my %form;
959: $form{'grade_target'}='tex';
960: $form{'textwidth'}=$LaTeXwidth;
1.175 sakharuk 961: $form{'rndseed'}=$rndseed;
1.152 sakharuk 962: if ($urlp =~ m|/home/([^/]+)/public_html|) {
963: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
964: } else {
965: $urlp =~ s|^/home/httpd/html||;
966: }
1.166 albertel 967: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.174 sakharuk 968: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
969: my %form;
970: $form{'grade_target'}='answer';
971: $form{'answer_output_mode'}='tex';
1.203 sakharuk 972: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.174 sakharuk 973: $form{'rndseed'}=$rndseed;
974: my $answer=&Apache::lonnet::ssi($urlp,%form);
975: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
976: }
1.151 sakharuk 977: #this chunck is responsible for printing the path to problem
1.242 sakharuk 978: my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
979: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152 sakharuk 980: if ($flag_latex_header_remove ne 'NO') {
981: $texversion = &latex_header_footer_remove($texversion);
982: } else {
983: $texversion =~ s/\\end{document}//;
1.216 sakharuk 984: }
985: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
986: $texversion=&IndexCreation($texversion,$urlp);
1.152 sakharuk 987: }
1.219 sakharuk 988: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
989: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
990:
991: }
1.152 sakharuk 992: $result .= $texversion;
993: }
994: $flag_latex_header_remove = 'YES';
1.151 sakharuk 995: }
1.175 sakharuk 996: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152 sakharuk 997: $result .= '\end{document}';
1.140 sakharuk 998: }
999: #-------------------------------------------------------- corrections for the different page formats
1.214 sakharuk 1000: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'});
1.140 sakharuk 1001: $result = &latex_corrections($number_of_columns,$result);
1.190 sakharuk 1002: #changes page's parameters for the one column output
1.195 sakharuk 1003: if ($numberofcolumns == 1) {
1004: $result =~ s/\\textwidth= 9cm/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
1005: $result =~ s/\\textheight 25\.9cm/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
1006: $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1007: $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1008: }
1.214 sakharuk 1009: if ($helper->{'VARS'}->{'TABLE_CONTENTS'} eq 'yes') {$selectionmade*=10;}
1010: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1011: if ($selectionmade<10) {$selectionmade*=100;} else {$selectionmade*=10;}
1012: }
1.224 sakharuk 1013: if ($ENV{'request.role.adv'}) {$selectionmade*=10000;}
1.140 sakharuk 1014: #-- writing .tex file in prtspool
1015: my $temp_file;
1016: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
1017: unless ($temp_file = Apache::File->new('>'.$filename)) {
1018: $r->log_error("Couldn't open $filename for output $!");
1019: return SERVER_ERROR;
1020: }
1021: print $temp_file $result;
1022:
1023: $r->print(<<FINALEND);
1024: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
1025: </body>
1026: </html>
1027: FINALEND
1028: }
1029:
1030:
1031:
1.3 sakharuk 1032: sub handler {
1033:
1034: my $r = shift;
1.131 bowersj2 1035: my $helper;
1.114 bowersj2 1036:
1.150 sakharuk 1037: # my $loaderror=&Apache::lonnet::overloaderror($r);
1038: # if ($loaderror) { return $loaderror; }
1039: # $loaderror=
1040: # &Apache::lonnet::overloaderror($r,
1041: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
1042: # if ($loaderror) { return $loaderror; }
1.67 www 1043:
1.177 sakharuk 1044: my $result = printHelper($r);
1045: if (!ref($result)) {
1046: return $result;
1.60 sakharuk 1047: }
1.177 sakharuk 1048: $helper = $result;
1049:
1050: # my $key;
1051: # foreach $key (keys %{$helper->{'VARS'}}) {
1052: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
1053: # }
1054: # return OK;
1.184 sakharuk 1055:
1056: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1057:
1.207 sakharuk 1058: # my $key;
1.200 sakharuk 1059: # foreach $key (keys %parmhash) {
1060: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
1061: # }
1062: # return OK;
1.184 sakharuk 1063:
1064: &output_data($r,$helper,\%parmhash);
1.2 sakharuk 1065: return OK;
1.60 sakharuk 1066: }
1.2 sakharuk 1067:
1.131 bowersj2 1068: use Apache::lonhelper;
1.130 sakharuk 1069:
1.223 bowersj2 1070: sub addMessage {
1071: my $text = shift;
1072: my $paramHash = Apache::lonhelper::getParamHash();
1073: $paramHash->{MESSAGE_TEXT} = $text;
1074: Apache::lonhelper::message->new();
1075: }
1076:
1.238 bowersj2 1077: use Data::Dumper;
1078:
1.131 bowersj2 1079: sub printHelper {
1.115 bowersj2 1080: my $r = shift;
1081:
1082: if ($ENV{'request.course.id'}) {
1.131 bowersj2 1083: my $fn=$ENV{'request.course.fn'};
1084: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1.115 bowersj2 1085: }
1086:
1087: if ($r->header_only) {
1.131 bowersj2 1088: if ($ENV{'browser.mathml'}) {
1.241 www 1089: &Apache::loncommon::content_type($r,'text/xml');
1.131 bowersj2 1090: } else {
1.241 www 1091: &Apache::loncommon::content_type($r,'text/html');
1.131 bowersj2 1092: }
1093: $r->send_http_header;
1094: return OK;
1.115 bowersj2 1095: }
1096:
1.131 bowersj2 1097: # Send header, nocache
1.115 bowersj2 1098: if ($ENV{'browser.mathml'}) {
1.241 www 1099: &Apache::loncommon::content_type($r,'text/xml');
1.115 bowersj2 1100: } else {
1.241 www 1101: &Apache::loncommon::content_type($r,'text/html');
1.115 bowersj2 1102: }
1103: &Apache::loncommon::no_cache($r);
1104: $r->send_http_header;
1105: $r->rflush();
1106:
1.131 bowersj2 1107: # Unfortunately, this helper is so complicated we have to
1108: # write it by hand
1109:
1110: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1111:
1.176 bowersj2 1112: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146 bowersj2 1113: $helper->declareVar('symb');
1.156 bowersj2 1114: $helper->declareVar('postdata');
1.230 albertel 1115: $helper->declareVar('curseed');
1.156 bowersj2 1116: $helper->declareVar('filename');
1117: $helper->declareVar('construction');
1.178 sakharuk 1118: $helper->declareVar('assignment');
1.131 bowersj2 1119:
1120: # This will persistently load in the data we want from the
1121: # very first screen.
1.156 bowersj2 1122: # Detect whether we're coming from construction space
1.208 www 1123: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235 bowersj2 1124: $helper->{VARS}->{'filename'} = "~$1/$2";
1.156 bowersj2 1125: $helper->{VARS}->{'construction'} = 1;
1126: } else {
1127: if ($ENV{'form.postdata'}) {
1128: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
1129: }
1130: if ($ENV{'form.symb'}) {
1131: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1132: }
1133: if ($ENV{'form.url'}) {
1134: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1135: }
1.157 bowersj2 1136: }
1.156 bowersj2 1137:
1.146 bowersj2 1138: if ($ENV{'form.symb'}) {
1139: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
1140: }
1141: if ($ENV{'form.url'}) {
1.140 sakharuk 1142: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153 sakharuk 1143:
1.140 sakharuk 1144: }
1.146 bowersj2 1145:
1.115 bowersj2 1146: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1.178 sakharuk 1147: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140 sakharuk 1148:
1.156 bowersj2 1149:
1.146 bowersj2 1150: # Extract map
1151: my $symb = $helper->{VARS}->{'symb'};
1.156 bowersj2 1152: my ($map, $id, $url);
1153: my $subdir;
1154:
1155: # Get the resource name from construction space
1156: if ($helper->{VARS}->{'construction'}) {
1157: $resourceTitle = substr($helper->{VARS}->{'filename'},
1158: rindex($helper->{VARS}->{'filename'}, '/')+1);
1159: $subdir = substr($helper->{VARS}->{'filename'},
1160: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1161: } else {
1.233 www 1162: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.156 bowersj2 1163: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1.146 bowersj2 1164:
1.156 bowersj2 1165: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238 bowersj2 1166: my $postdata = $helper->{VARS}->{'postdata'};
1167: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156 bowersj2 1168: }
1169: $subdir = &Apache::lonnet::filelocation("", $url);
1.128 bowersj2 1170: }
1.230 albertel 1171: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
1172: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
1173: }
1.115 bowersj2 1174:
1.192 bowersj2 1175: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1.235 bowersj2 1176: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
1177: $ENV{'request.role'}=~m/^in\./ or
1178: $ENV{'request.role'}=~m/^ta\./);
1.192 bowersj2 1179:
1.131 bowersj2 1180: Apache::lonhelper::registerHelperTags();
1.119 bowersj2 1181:
1.131 bowersj2 1182: # "Delete everything after the last slash."
1.119 bowersj2 1183: $subdir =~ s|/[^/]+$||;
1.162 sakharuk 1184: if (not $helper->{VARS}->{'construction'}) {
1185: $subdir='/home/httpd/html/res/'.$subdir;
1.153 sakharuk 1186: }
1.189 bowersj2 1187: # "Remove all duplicate slashes."
1188: $subdir =~ s|/+|/|g;
1.119 bowersj2 1189:
1.131 bowersj2 1190: # What can be printed is a very dynamic decision based on
1191: # lots of factors. So we need to dynamically build this list.
1192: # To prevent security leaks, states are only added to the wizard
1193: # if they can be reached, which ensures manipulating the form input
1194: # won't allow anyone to reach states they shouldn't have permission
1195: # to reach.
1196:
1197: # printChoices is tracking the kind of printing the user can
1198: # do, and will be used in a choices construction later.
1199: # In the meantime we will be adding states and elements to
1200: # the helper by hand.
1201: my $printChoices = [];
1202: my $paramHash;
1.130 sakharuk 1203:
1.240 albertel 1204: if ($resourceTitle) {
1.235 bowersj2 1205: push @{$printChoices}, ["<b>$resourceTitle</b> (what you just saw on the screen)", 'current_document', 'PAGESIZE'];
1.156 bowersj2 1206: }
1207:
1.187 www 1208: # $r->print($helper->{VARS}->{'postdata'});
1.130 sakharuk 1209:
1.238 bowersj2 1210: # Useful filter strings
1211: my $isProblem = '$res->is_problem()';
1212: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1213: my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
1214: my $isNotMap = '!$res->is_map()';
1215: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1216: my $isMap = '$res->is_map()';
1217: my $symbFilter = '$res->symb()';
1218: my $urlValue = '$res->src()';
1219:
1220: $helper->declareVar('SEQUENCE');
1221:
1222: # Useful for debugging: Dump the help vars
1223: #$r->print(Dumper($helper->{VARS}));
1224: #$r->print($map);
1225:
1.131 bowersj2 1226: # If we're in a sequence...
1.235 bowersj2 1227: if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.243 ! bowersj2 1228: $helper->{VARS}->{'postdata'} &&
! 1229: $helper->{VARS}->{'assignment'}) {
1.131 bowersj2 1230: # Allow problems from sequence
1.238 bowersj2 1231: push @{$printChoices}, ["<b>Problems</b> in $sequenceTitle", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131 bowersj2 1232: # Allow all resources from sequence
1.238 bowersj2 1233: push @{$printChoices}, ["<b>Resources</b> in $sequenceTitle", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130 sakharuk 1234:
1.131 bowersj2 1235: my $helperFragment = <<HELPERFRAGMENT;
1.155 sakharuk 1236: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1237: <message>(mark them then click "next" button) <br /></message>
1.234 bowersj2 1238: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1.144 bowersj2 1239: <nextstate>PAGESIZE</nextstate>
1.192 bowersj2 1240: <filterfunc>return $isProblem;</filterfunc>
1.131 bowersj2 1241: <mapurl>$map</mapurl>
1.238 bowersj2 1242: <valuefunc>return $symbFilter;</valuefunc>
1.131 bowersj2 1243: </resource>
1244: </state>
1245:
1.155 sakharuk 1246: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1247: <message>(mark them then click "next" button) <br /></message>
1.234 bowersj2 1248: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1.144 bowersj2 1249: <nextstate>PAGESIZE</nextstate>
1.145 bowersj2 1250: <filterfunc>return $isNotMap;</filterfunc>
1.131 bowersj2 1251: <mapurl>$map</mapurl>
1.238 bowersj2 1252: <valuefunc>return $symbFilter;</valuefunc>
1.131 bowersj2 1253: </resource>
1254: </state>
1255: HELPERFRAGMENT
1.121 bowersj2 1256:
1.131 bowersj2 1257: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121 bowersj2 1258: }
1259:
1260: # If the user is priviledged, allow them to print all
1261: # problems in the course, optionally for selected students
1.235 bowersj2 1262: if ($userPriviledged && ($helper->{VARS}->{'postdata'}=~/\/res\//)) {
1.238 bowersj2 1263: push @{$printChoices}, ['Problems from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1.243 ! bowersj2 1264: if ($helper->{VARS}->{'assignment'}) {
1.238 bowersj2 1265: push @{$printChoices}, ["Problems from $sequenceTitle for <b>selected students</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
1266: }
1.131 bowersj2 1267:
1268: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1.155 sakharuk 1269: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1270: <message>(mark them then click "next" button) <br /></message>
1.234 bowersj2 1271: <resource variable="RESOURCES" multichoice="1"
1272: suppressEmptySequences='1' addstatus="1">
1.144 bowersj2 1273: <nextstate>PAGESIZE</nextstate>
1.192 bowersj2 1274: <filterfunc>return $isProblemOrMap;</filterfunc>
1275: <choicefunc>return $isProblem;</choicefunc>
1.238 bowersj2 1276: <valuefunc>return $symbFilter;</valuefunc>
1.132 bowersj2 1277: </resource>
1278: </state>
1279:
1.223 bowersj2 1280: <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1.144 bowersj2 1281: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1.155 sakharuk 1282: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.234 bowersj2 1283: <resource variable="RESOURCES" multichoice="1" addstatus="1">
1.147 bowersj2 1284: <filterfunc>return $isProblem</filterfunc>
1.148 bowersj2 1285: <mapurl>$map</mapurl>
1.238 bowersj2 1286: <valuefunc>return $symbFilter</valuefunc>
1.147 bowersj2 1287: </resource>
1.155 sakharuk 1288: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149 bowersj2 1289: <choices variable="EMPTY_PAGES">
1.204 sakharuk 1290: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
1291: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
1292: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
1293: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.149 bowersj2 1294: </choices>
1.131 bowersj2 1295: </state>
1296: CHOOSE_STUDENTS
1.121 bowersj2 1297: }
1298:
1299: # FIXME: That RE should come from a library somewhere.
1.238 bowersj2 1300: if ((((&Apache::lonnet::allowed('bre',$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 $subdir ne '/home/httpd/html/res/') {
1.155 sakharuk 1301: push @{$printChoices}, ["Problems from current subdirectory <b>$subdir</b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238 bowersj2 1302:
1.131 bowersj2 1303: my $f = '$filename';
1.139 bowersj2 1304: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155 sakharuk 1305: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1306: <message>(mark them then click "next" button) <br /></message>
1.138 bowersj2 1307: <files variable="FILES" multichoice='1'>
1.144 bowersj2 1308: <nextstate>PAGESIZE</nextstate>
1.138 bowersj2 1309: <filechoice>return '$subdir';</filechoice>
1.139 bowersj2 1310: CHOOSE_FROM_SUBDIR
1311:
1.238 bowersj2 1312: # this is broken up because I really want interpolation above,
1313: # and I really DON'T want it below
1.139 bowersj2 1314: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225 bowersj2 1315: <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
1316: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131 bowersj2 1317: </filefilter>
1.138 bowersj2 1318: </files>
1.131 bowersj2 1319: </state>
1320: CHOOSE_FROM_SUBDIR
1.139 bowersj2 1321: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131 bowersj2 1322: }
1.238 bowersj2 1323:
1324: # Allow the user to select any sequence in the course, feed it to
1325: # another resource selector for that sequence
1.239 bowersj2 1326: if (!$helper->{VARS}->{'construction'}) {
1327: push @$printChoices, ["Resources from <b>selected sequence</b> in course",
1328: 'map_problems_pages', 'CHOOSE_SEQUENCE'];
1329: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238 bowersj2 1330: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
1331: <message>Select the sequence to print resources from:</message>
1332: <resource variable="SEQUENCE">
1333: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1334: <filterfunc>return \$res->is_sequence;</filterfunc>
1335: <valuefunc>return $urlValue;</valuefunc>
1336: </resource>
1337: </state>
1338: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
1339: <message>(mark desired resources then click "next" button) <br /></message>
1340: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1341: <nextstate>PAGESIZE</nextstate>
1342: <filterfunc>return $isProblem</filterfunc>
1343: <mapurl evaluate='1'>return $helper->{VARS}->{'SEQUENCE'};</mapurl>
1344: <valuefunc>return $symbFilter;</valuefunc>
1345: </resource>
1346: </state>
1347: CHOOSE_FROM_ANY_SEQUENCE
1.239 bowersj2 1348: }
1.131 bowersj2 1349:
1350: # Generate the first state, to select which resources get printed.
1.223 bowersj2 1351: Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131 bowersj2 1352: $paramHash = Apache::lonhelper::getParamHash();
1.155 sakharuk 1353: $paramHash->{MESSAGE_TEXT} = "";
1.131 bowersj2 1354: Apache::lonhelper::message->new();
1355: $paramHash = Apache::lonhelper::getParamHash();
1356: $paramHash->{'variable'} = 'PRINT_TYPE';
1.137 bowersj2 1357: $helper->declareVar('PRINT_TYPE');
1.131 bowersj2 1358: $paramHash->{CHOICES} = $printChoices;
1359: Apache::lonhelper::choices->new();
1.161 bowersj2 1360:
1.223 bowersj2 1361: my $startedTable = 0; # have we started an HTML table yet? (need
1362: # to close it later)
1363:
1.170 sakharuk 1364: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1365: ($helper->{VARS}->{'construction'} eq '1')) {
1.242 sakharuk 1366: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161 bowersj2 1367: $paramHash = Apache::lonhelper::getParamHash();
1.162 sakharuk 1368: $paramHash->{'variable'} = 'ANSWER_TYPE';
1369: $helper->declareVar('ANSWER_TYPE');
1.161 bowersj2 1370: $paramHash->{CHOICES} = [
1.242 sakharuk 1371: ['Without Answers', 'yes'],
1372: ['With Answers', 'no'],
1373: ['Only Answers', 'only'] ];
1.210 sakharuk 1374: Apache::lonhelper::dropdown->new();
1.223 bowersj2 1375: addMessage("</td></tr>");
1376: $startedTable = 1;
1.161 bowersj2 1377: }
1.209 sakharuk 1378:
1.203 sakharuk 1379: if ($ENV{'request.role.adv'}) {
1.223 bowersj2 1380: if (!$startedTable) {
1381: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
1382: $startedTable = 1;
1383: } else {
1384: addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
1385: }
1.203 sakharuk 1386: $paramHash = Apache::lonhelper::getParamHash();
1387: $paramHash->{'variable'} = 'LATEX_TYPE';
1388: $helper->declareVar('LATEX_TYPE');
1389: if ($helper->{VARS}->{'construction'} eq '1') {
1390: $paramHash->{CHOICES} = [
1.223 bowersj2 1391: ['standard LaTeX mode', 'standard'],
1392: ['LaTeX batchmode', 'batchmode'], ];
1.203 sakharuk 1393: } else {
1394: $paramHash->{CHOICES} = [
1.223 bowersj2 1395: ['LaTeX batchmode', 'batchmode'],
1396: ['standard LaTeX mode', 'standard'] ];
1.203 sakharuk 1397: }
1.210 sakharuk 1398: Apache::lonhelper::dropdown->new();
1.218 sakharuk 1399:
1.223 bowersj2 1400: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209 sakharuk 1401: $paramHash = Apache::lonhelper::getParamHash();
1402: $paramHash->{'variable'} = 'TABLE_CONTENTS';
1403: $helper->declareVar('TABLE_CONTENTS');
1404: $paramHash->{CHOICES} = [
1.223 bowersj2 1405: ['No', 'no'],
1406: ['Yes', 'yes'] ];
1.210 sakharuk 1407: Apache::lonhelper::dropdown->new();
1.223 bowersj2 1408: addMessage("</td></tr>");
1.214 sakharuk 1409:
1.220 sakharuk 1410: if (not $helper->{VARS}->{'construction'}) {
1.223 bowersj2 1411: addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220 sakharuk 1412: $paramHash = Apache::lonhelper::getParamHash();
1413: $paramHash->{'variable'} = 'TABLE_INDEX';
1414: $helper->declareVar('TABLE_INDEX');
1415: $paramHash->{CHOICES} = [
1.223 bowersj2 1416: ['No', 'no'],
1417: ['Yes', 'yes'] ];
1.220 sakharuk 1418: Apache::lonhelper::dropdown->new();
1.223 bowersj2 1419: addMessage("</td></tr>");
1.220 sakharuk 1420: }
1.219 sakharuk 1421:
1422: if ($helper->{VARS}->{'construction'}) {
1.223 bowersj2 1423: addMessage("<tr><td align='right'>Print With URL: </td><td>");
1.219 sakharuk 1424: $paramHash = Apache::lonhelper::getParamHash();
1425: $paramHash->{'variable'} = 'CONSTR_RESOURSE_URL';
1426: $helper->declareVar('CONSTR_RESOURSE_URL');
1427: $paramHash->{CHOICES} = [
1.223 bowersj2 1428: ['No', 'no'],
1429: ['Yes', 'yes'] ];
1.219 sakharuk 1430: Apache::lonhelper::dropdown->new();
1.223 bowersj2 1431: addMessage("</td></tr>");
1.230 albertel 1432: }
1433: if ($helper->{'VARS'}->{'construction'}) {
1434: my $xmlfrag .= <<'RNDSEED';
1435: <message><tr><td align='right'>Use random seed: </td><td></message>
1436: <string variable="curseed" size="15" maxlength="15">
1437: <defaultvalue>
1438: return $helper->{VARS}->{'curseed'};
1439: </defaultvalue>
1440: </string>
1441: <message></td></tr></message>
1442: RNDSEED
1443: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.219 sakharuk 1444: }
1.223 bowersj2 1445: }
1.218 sakharuk 1446:
1.223 bowersj2 1447: if ($startedTable) {
1448: addMessage("</table>");
1.215 sakharuk 1449: }
1.161 bowersj2 1450:
1.131 bowersj2 1451: Apache::lonprintout::page_format_state->new("FORMAT");
1452:
1.144 bowersj2 1453: # Generate the PAGESIZE state which will offer the user the margin
1454: # choices if they select one column
1455: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
1456: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
1457:
1458:
1.131 bowersj2 1459: $helper->process();
1460:
1461: # MANUAL BAILOUT CONDITION:
1462: # If we're in the "final" state, bailout and return to handler
1463: if ($helper->{STATE} eq 'FINAL') {
1464: return $helper;
1465: }
1.130 sakharuk 1466:
1.131 bowersj2 1467: $r->print($helper->display());
1.130 sakharuk 1468:
1.131 bowersj2 1469: Apache::lonhelper::unregisterHelperTags();
1.115 bowersj2 1470:
1471: untie %hash;
1472:
1473: return OK;
1474: }
1475:
1.1 www 1476:
1477: 1;
1.119 bowersj2 1478:
1479: package Apache::lonprintout::page_format_state;
1480:
1481: =pod
1482:
1.131 bowersj2 1483: =head1 Helper element: page_format_state
1484:
1485: See lonhelper.pm documentation for discussion of the helper framework.
1.119 bowersj2 1486:
1.131 bowersj2 1487: Apache::lonprintout::page_format_state is an element that gives the
1488: user an opportunity to select the page layout they wish to print
1489: with: Number of columns, portrait/landscape, and paper size. If you
1490: want to change the paper size choices, change the @paperSize array
1491: contents in this package.
1.119 bowersj2 1492:
1.131 bowersj2 1493: page_format_state is always directly invoked in lonprintout.pm, so there
1494: is no tag interface. You actually pass parameters to the constructor.
1.119 bowersj2 1495:
1496: =over 4
1497:
1.131 bowersj2 1498: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119 bowersj2 1499:
1500: =back
1501:
1502: =cut
1503:
1.131 bowersj2 1504: use Apache::lonhelper;
1.119 bowersj2 1505:
1506: no strict;
1.131 bowersj2 1507: @ISA = ("Apache::lonhelper::element");
1.119 bowersj2 1508: use strict;
1509:
1510: my $maxColumns = 2;
1511: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1512: "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1513: "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]",
1514: "A5 [148x210 mm]", "A6 [105x148 mm]" );
1515:
1516: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
1517: # Paper type
1518:
1519: sub new {
1.131 bowersj2 1520: my $self = Apache::lonhelper::element->new();
1.119 bowersj2 1521:
1.135 bowersj2 1522: shift;
1523:
1.131 bowersj2 1524: $self->{'variable'} = shift;
1.134 bowersj2 1525: my $helper = Apache::lonhelper::getHelper();
1.135 bowersj2 1526: $helper->declareVar($self->{'variable'});
1.131 bowersj2 1527: bless($self);
1.119 bowersj2 1528: return $self;
1529: }
1530:
1531: sub render {
1532: my $self = shift;
1.131 bowersj2 1533: my $helper = Apache::lonhelper::getHelper();
1.119 bowersj2 1534: my $result = '';
1.131 bowersj2 1535: my $var = $self->{'variable'};
1.119 bowersj2 1536:
1537: $result .= <<STATEHTML;
1538:
1.223 bowersj2 1539: <hr width="33%" />
1.119 bowersj2 1540: <table cellpadding="3">
1541: <tr>
1.155 sakharuk 1542: <td align="center"><b>Page layout</b></td>
1543: <td align="center"><b>Number of columns</b></td>
1.131 bowersj2 1544: <td align="center"><b>Paper type</b></td>
1.119 bowersj2 1545: </tr>
1546: <tr>
1547: <td>
1.155 sakharuk 1548: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
1549: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
1.119 bowersj2 1550: </td>
1.155 sakharuk 1551: <td align="center">
1.119 bowersj2 1552: <select name="${var}.cols">
1553: STATEHTML
1554:
1555: my $i;
1556: for ($i = 1; $i <= $maxColumns; $i++) {
1.144 bowersj2 1557: if ($i == 2) {
1.119 bowersj2 1558: $result .= "<option value='$i' selected>$i</option>\n";
1559: } else {
1560: $result .= "<option value='$i'>$i</option>\n";
1561: }
1562: }
1563:
1564: $result .= "</select></td><td>\n";
1565: $result .= "<select name='${var}.paper'>\n";
1566:
1567: $i = 0;
1568: foreach (@paperSize) {
1.144 bowersj2 1569: if ($i == 0) {
1.131 bowersj2 1570: $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
1.119 bowersj2 1571: } else {
1.131 bowersj2 1572: $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
1.119 bowersj2 1573: }
1574: $i++;
1575: }
1576:
1577: $result .= "</select></td></tr></table>";
1578: return $result;
1.135 bowersj2 1579: }
1580:
1581: sub postprocess {
1582: my $self = shift;
1583:
1584: my $var = $self->{'variable'};
1.136 bowersj2 1585: my $helper = Apache::lonhelper->getHelper();
1.135 bowersj2 1586: $helper->{VARS}->{$var} =
1.136 bowersj2 1587: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
1588: $ENV{"form.$var.paper"};
1.135 bowersj2 1589: return 1;
1.119 bowersj2 1590: }
1591:
1592: 1;
1.144 bowersj2 1593:
1594: package Apache::lonprintout::page_size_state;
1595:
1596: =pod
1597:
1598: =head1 Helper element: page_size_state
1599:
1600: See lonhelper.pm documentation for discussion of the helper framework.
1601:
1602: Apache::lonprintout::page_size_state is an element that gives the
1603: user the opportunity to further refine the page settings if they
1604: select a single-column page.
1605:
1606: page_size_state is always directly invoked in lonprintout.pm, so there
1607: is no tag interface. You actually pass parameters to the constructor.
1608:
1609: =over 4
1610:
1611: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1612:
1613: =back
1614:
1615: =cut
1616:
1617: use Apache::lonhelper;
1618:
1619: no strict;
1620: @ISA = ("Apache::lonhelper::element");
1621: use strict;
1622:
1623:
1624:
1625: sub new {
1626: my $self = Apache::lonhelper::element->new();
1627:
1628: shift; # disturbs me (probably prevents subclassing) but works (drops
1629: # package descriptor)... - Jeremy
1630:
1631: $self->{'variable'} = shift;
1632: my $helper = Apache::lonhelper::getHelper();
1633: $helper->declareVar($self->{'variable'});
1634:
1635: # The variable name of the format element, so we can look into
1636: # $helper->{VARS} to figure out whether the columns are one or two
1637: $self->{'formatvar'} = shift;
1638:
1639: # The state to transition to after selection, or after discovering
1640: # the cols are not set to 1
1641: $self->{NEXTSTATE} = shift;
1642: bless($self);
1643: return $self;
1644: }
1645:
1646: sub render {
1647: my $self = shift;
1648: my $helper = Apache::lonhelper::getHelper();
1649: my $result = '';
1650: my $var = $self->{'variable'};
1651:
1652: if (defined $self->{ERROR_MSG}) {
1653: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
1654: }
1655:
1656: $result .= <<ELEMENTHTML;
1657:
1658: <p>How should the column be formatted?</p>
1659:
1660: <table cellpadding='3'>
1661: <tr>
1662: <td align='right'><b>Width</b>:</td>
1663: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
1664: <td align='left'>
1665: <select name='$var.widthunit'>
1666: <option>cm</option><option>in</option>
1667: </select>
1668: </td>
1669: </tr>
1670: <tr>
1671: <td align='right'><b>Height</b>:</td>
1672: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
1673: <td align='left'>
1674: <select name='$var.heightunit'>
1675: <option>cm</option><option>in</option>
1676: </select>
1677: </td>
1678: </tr>
1679: <tr>
1680: <td align='right'><b>Left margin</b>:</td>
1681: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
1682: <td align='left'>
1.186 bowersj2 1683: <select name='$var.lmarginunit'>
1.144 bowersj2 1684: <option>cm</option><option>in</option>
1685: </select>
1686: </td>
1687: </tr>
1688: </table>
1689:
1690: <p>Hint: Some instructors like to leave scratch space for the student by
1691: making the width much smaller then the width of the page.</p>
1692:
1693: ELEMENTHTML
1694:
1695: return $result;
1696: }
1697:
1698: # If the user didn't select 1 column, skip this state.
1699: sub preprocess {
1700: my $self = shift;
1701: my $helper = Apache::lonhelper::getHelper();
1702:
1703: my $format = $helper->{VARS}->{$self->{'formatvar'}};
1704: if (substr($format, 2, 1) ne '1') {
1705: $helper->changeState($self->{NEXTSTATE});
1706: }
1707:
1708: return 1;
1709: }
1710:
1711: sub postprocess {
1712: my $self = shift;
1713:
1714: my $var = $self->{'variable'};
1715: my $helper = Apache::lonhelper->getHelper();
1716: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
1717: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
1718: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
1719: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
1720: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
1721: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
1722:
1723: my $error = '';
1724:
1725: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
1726: # by an optional period, followed by digits, ending the string
1727:
1728: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1729: $error .= "Invalid width; please type only a number.<br />\n";
1730: }
1731: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1732: $error .= "Invalid height; please type only a number.<br />\n";
1733: }
1734: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1735: $error .= "Invalid left margin; please type only a number.<br />\n";
1736: }
1737:
1738: if (!$error) {
1739: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
1740: return 1;
1741: } else {
1742: $self->{ERROR_MSG} = $error;
1743: return 0;
1744: }
1745: }
1746:
1747:
1.119 bowersj2 1748:
1.1 www 1749: __END__
1.6 sakharuk 1750:
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