Annotation of loncom/interface/lonprintout.pm, revision 1.192
1.1 www 1: # The LearningOnline Network
2: # Printout
3: #
1.191 bowersj2 4: # $Id: lonprintout.pm,v 1.188 2003/06/18 18:11:16 bowersj2 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;
1.34 sakharuk 52: use POSIX qw(strftime);
1.60 sakharuk 53: use GDBM_File;
54:
55:
56: my %hash;
1.76 sakharuk 57: my $LaTeXwidth = 0;
1.3 sakharuk 58:
1.2 sakharuk 59:
1.71 sakharuk 60: sub latex_header_footer_remove {
61: my $text = shift;
62: $text =~ s/\\end{document}//;
63: $text =~ s/\\documentclass([^&]*)\\begin{document}//;
64: return $text;
65: }
66:
67:
1.37 sakharuk 68: sub character_chart {
69: my $result = shift;
1.116 sakharuk 70: $result =~ s/&\#0?0?(7|9);//g;
71: $result =~ s/&\#0?(10|13);//g;
72: $result =~ s/&\#0?32;/ /g;
73: $result =~ s/&\#0?33;/!/g;
74: $result =~ s/&(\#0?34|quot);/\"/g;
75: $result =~ s/&\#0?35;/\\\#/g;
76: $result =~ s/&\#0?36;/\\\$/g;
77: $result =~ s/&\#0?37;/\\%/g;
78: $result =~ s/&(\#0?38|amp);/\\&/g;
79: $result =~ s/&\#(0?39|146);/\'/g;
80: $result =~ s/&\#0?40;/(/g;
81: $result =~ s/&\#0?41;/)/g;
82: $result =~ s/&\#0?42;/\*/g;
83: $result =~ s/&\#0?43;/\+/g;
84: $result =~ s/&\#(0?44|130);/,/g;
85: $result =~ s/&\#0?45;/-/g;
86: $result =~ s/&\#0?46;/\./g;
87: $result =~ s/&\#0?47;/\//g;
88: $result =~ s/&\#0?48;/0/g;
89: $result =~ s/&\#0?49;/1/g;
90: $result =~ s/&\#0?50;/2/g;
91: $result =~ s/&\#0?51;/3/g;
92: $result =~ s/&\#0?52;/4/g;
93: $result =~ s/&\#0?53;/5/g;
94: $result =~ s/&\#0?54;/6/g;
95: $result =~ s/&\#0?55;/7/g;
96: $result =~ s/&\#0?56;/8/g;
97: $result =~ s/&\#0?57;/9/g;
98: $result =~ s/&\#0?58;/:/g;
99: $result =~ s/&\#0?59;/;/g;
100: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
101: $result =~ s/&\#0?61;/\$=\$/g;
102: $result =~ s/&(\#0?62|gt|\#155);/\$>\$/g;
103: $result =~ s/&\#0?63;/\?/g;
104: $result =~ s/&\#0?65;/A/g;
105: $result =~ s/&\#0?66;/B/g;
106: $result =~ s/&\#0?67;/C/g;
107: $result =~ s/&\#0?68;/D/g;
108: $result =~ s/&\#0?69;/E/g;
109: $result =~ s/&\#0?70;/F/g;
110: $result =~ s/&\#0?71;/G/g;
111: $result =~ s/&\#0?72;/H/g;
112: $result =~ s/&\#0?73;/I/g;
113: $result =~ s/&\#0?74;/J/g;
114: $result =~ s/&\#0?75;/K/g;
115: $result =~ s/&\#0?76;/L/g;
116: $result =~ s/&\#0?77;/M/g;
117: $result =~ s/&\#0?78;/N/g;
118: $result =~ s/&\#0?79;/O/g;
119: $result =~ s/&\#0?80;/P/g;
120: $result =~ s/&\#0?81;/Q/g;
121: $result =~ s/&\#0?82;/R/g;
122: $result =~ s/&\#0?83;/S/g;
123: $result =~ s/&\#0?84;/T/g;
124: $result =~ s/&\#0?85;/U/g;
125: $result =~ s/&\#0?86;/V/g;
126: $result =~ s/&\#0?87;/W/g;
127: $result =~ s/&\#0?88;/X/g;
128: $result =~ s/&\#0?89;/Y/g;
129: $result =~ s/&\#0?90;/Z/g;
130: $result =~ s/&\#0?91;/[/g;
131: $result =~ s/&\#0?92;/\$\\setminus\$/g;
132: $result =~ s/&\#0?93;/]/g;
133: $result =~ s/&\#(0?94|136);/\$\\wedge\$/g;
134: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
135: $result =~ s/&\#(0?96|145);/\`/g;
136: $result =~ s/&\#0?97;/a/g;
137: $result =~ s/&\#0?98;/b/g;
138: $result =~ s/&\#0?99;/c/g;
139: $result =~ s/&\#100;/d/g;
140: $result =~ s/&\#101;/e/g;
141: $result =~ s/&\#102;/f/g;
142: $result =~ s/&\#103;/g/g;
143: $result =~ s/&\#104;/h/g;
144: $result =~ s/&\#105;/i/g;
145: $result =~ s/&\#106;/j/g;
146: $result =~ s/&\#107;/k/g;
147: $result =~ s/&\#108;/l/g;
148: $result =~ s/&\#109;/m/g;
149: $result =~ s/&\#110;/n/g;
150: $result =~ s/&\#111;/o/g;
151: $result =~ s/&\#112;/p/g;
152: $result =~ s/&\#113;/q/g;
153: $result =~ s/&\#114;/r/g;
154: $result =~ s/&\#115;/s/g;
155: $result =~ s/&\#116;/t/g;
156: $result =~ s/&\#117;/u/g;
157: $result =~ s/&\#118;/v/g;
158: $result =~ s/&\#119;/w/g;
159: $result =~ s/&\#120;/x/g;
160: $result =~ s/&\#121;/y/g;
161: $result =~ s/&\#122;/z/g;
162: $result =~ s/&\#123;/\\{/g;
163: $result =~ s/&\#124;/\|/g;
164: $result =~ s/&\#125;/\\}/g;
165: $result =~ s/&\#126;/\~/g;
166: $result =~ s/&\#131;/\\textflorin /g;
167: $result =~ s/&\#132;/\"/g;
168: $result =~ s/&\#133;/\$\\ldots\$/g;
169: $result =~ s/&\#134;/\$\\dagger\$/g;
170: $result =~ s/&\#135;/\$\\ddagger\$/g;
171: $result =~ s/&\#137;/\\textperthousand /g;
172: $result =~ s/&\#140;/{\\OE}/g;
173: $result =~ s/&\#147;/\`\`/g;
174: $result =~ s/&\#148;/\'\'/g;
175: $result =~ s/&\#149;/\$\\bullet\$/g;
176: $result =~ s/&\#150;/--/g;
177: $result =~ s/&\#151;/---/g;
178: $result =~ s/&\#152;/\$\\sim\$/g;
179: $result =~ s/&\#153;/\\texttrademark /g;
180: $result =~ s/&\#156;/\\oe/g;
181: $result =~ s/&\#159;/\\\"Y/g;
1.131 bowersj2 182: $result =~ s/&(\#160|nbsp);//g;
1.116 sakharuk 183: $result =~ s/&(\#161|iexcl);/!\`/g;
184: $result =~ s/&(\#162|cent);/\\textcent /g;
185: $result =~ s/&(\#163|pound);/\\pounds /g;
186: $result =~ s/&(\#164|curren);/\\textcurrency /g;
187: $result =~ s/&(\#165|yen);/\\textyen /g;
188: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
189: $result =~ s/&(\#167|sect);/\\textsection /g;
190: $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
191: $result =~ s/&(\#169|copy);/\\copyright /g;
192: $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
193: $result =~ s/&(\#172|not);/\$\\neg\$/g;
194: $result =~ s/&(\#173|shy);/ - /g;
195: $result =~ s/&(\#174|reg);/\\textregistered /g;
196: $result =~ s/&(\#175|macr);/\$^{-}\$/g;
197: $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g;
198: $result =~ s/&(\#177|plusmn);/\$\\pm\$/g;
199: $result =~ s/&(\#178|sup2);/\$^2\$/g;
200: $result =~ s/&(\#179|sup3);/\$^3\$/g;
201: $result =~ s/&(\#180|acute);/\\textacute /g;
202: $result =~ s/&(\#181|micro);/\$\\mu\$/g;
203: $result =~ s/&(\#182|para);/\\P/g;
204: $result =~ s/&(\#183|middot);/\$\\cdot\$/g;
205: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
206: $result =~ s/&(\#185|sup1);/\$^1\$/g;
207: $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
208: $result =~ s/&(\#188|frac14);/\\textonequarter /g;
209: $result =~ s/&(\#189|frac12);/\\textonehalf /g;
210: $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
211: $result =~ s/&(\#191|iquest);/?\`/g;
212: $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
213: $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
214: $result =~ s/&(\#194|Acirc);/\\^{A}/g;
215: $result =~ s/&(\#195|Atilde);/\\~{A}/g;
216: $result =~ s/&(\#196|Auml);/\\\"{A}/g;
217: $result =~ s/&(\#197|Aring);/{\\AA}/g;
218: $result =~ s/&(\#198|AElig);/{\\AE}/g;
219: $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
220: $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
221: $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
222: $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
223: $result =~ s/&(\#203|Euml);/\\\"{E}/g;
224: $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
225: $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
226: $result =~ s/&(\#206|Icirc);/\\^{I}/g;
227: $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
228: $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
229: $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
230: $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
231: $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
232: $result =~ s/&(\#213|Otilde);/\\~{O}/g;
233: $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
234: $result =~ s/&(\#215|times);/\$\\times\$/g;
235: $result =~ s/&(\#216|Oslash);/{\\O}/g;
236: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
237: $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
238: $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
239: $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
240: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
241: $result =~ s/&(\#223|szlig);/\\ss/g;
242: $result =~ s/&(\#224|agrave);/\\\`{a}/g;
243: $result =~ s/&(\#225|aacute);/\\\'{a}/g;
244: $result =~ s/&(\#226|acirc);/\\^{a}/g;
245: $result =~ s/&(\#227|atilde);/\\~{a}/g;
246: $result =~ s/&(\#228|auml);/\\\"{a}/g;
247: $result =~ s/&(\#229|aring);/{\\aa}/g;
248: $result =~ s/&(\#230|aelig);/{\\ae}/g;
249: $result =~ s/&(\#231|ccedil);/\\c{c}/g;
250: $result =~ s/&(\#232|egrave);/\\\`{e}/g;
251: $result =~ s/&(\#233|eacute);/\\\'{e}/g;
252: $result =~ s/&(\#234|ecirc);/\\^{e}/g;
253: $result =~ s/&(\#235|euml);/\\\"{e}/g;
254: $result =~ s/&(\#236|igrave);/\\\`{i}/g;
255: $result =~ s/&(\#237|iacute);/\\\'{i}/g;
256: $result =~ s/&(\#238|icirc);/\\^{i}/g;
257: $result =~ s/&(\#239|iuml);/\\\"{i}/g;
258: $result =~ s/&(\#240|eth);/\$\\partial\$/g;
259: $result =~ s/&(\#241|ntilde);/\\~{n}/g;
260: $result =~ s/&(\#242|ograve);/\\\`{o}/g;
261: $result =~ s/&(\#243|oacute);/\\\'{o}/g;
262: $result =~ s/&(\#244|ocirc);/\\^{o}/g;
263: $result =~ s/&(\#245|otilde);/\\~{o}/g;
264: $result =~ s/&(\#246|ouml);/\\\"{o}/g;
265: $result =~ s/&(\#247|divide);/\$\\div\$/g;
266: $result =~ s/&(\#248|oslash);/{\\o}/g;
267: $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
268: $result =~ s/&(\#250|uacute);/\\\'{u}/g;
269: $result =~ s/&(\#251|ucirc);/\\^{u}/g;
270: $result =~ s/&(\#252|uuml);/\\\"{u}/g;
271: $result =~ s/&(\#253|yacute);/\\\'{y}/g;
272: $result =~ s/&(\#255|yuml);/\\\"{y}/g;
273: $result =~ s/&\#952;/\$\\theta\$/g;
1.117 sakharuk 274: #Greek Alphabet
275: $result =~ s/&(alpha|\#945);/\$\\alpha \$/g;
276: $result =~ s/&(beta|\#946);/\$\\beta \$/g;
277: $result =~ s/&(gamma|\#947);/\$\\gamma \$/g;
278: $result =~ s/&(delta|\#948);/\$\\delta \$/g;
279: $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g;
280: $result =~ s/&(zeta|\#950);/\$\\zeta \$/g;
281: $result =~ s/&(eta|\#951);/\$\\eta \$/g;
282: $result =~ s/&(theta|\#952);/\$\\theta \$/g;
283: $result =~ s/&(iota|\#953);/\$\\iota \$/g;
284: $result =~ s/&(kappa|\#954);/\$\\kappa \$/g;
285: $result =~ s/&(lambda|\#955);/\$\\lambda \$/g;
286: $result =~ s/&(mu|\#956);/\$\\mu \$/g;
287: $result =~ s/&(nu|\#957);/\$\\nu \$/g;
288: $result =~ s/&(xi|\#958);/\$\\xi \$/g;
289: $result =~ s/&(pi|\#960);/\$\\pi \$/g;
290: $result =~ s/&(rho|\#961);/\$\\rho \$/g;
291: $result =~ s/&(sigma|\#963);/\$\\sigma \$/g;
292: $result =~ s/&(tau|\#964);/\$\\tau \$/g;
293: $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g;
294: $result =~ s/&(phi|\#966);/\$\\phi \$/g;
295: $result =~ s/&(chi|\#967);/\$\\chi \$/g;
296: $result =~ s/&(psi|\#968);/\$\\psi \$/g;
297: $result =~ s/&(omega|\#969);/\$\\omega \$/g;
298: $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g;
299: $result =~ s/&(Delta|\#916);/\$\\Delta \$/g;
300: $result =~ s/&(Theta|\#920);/\$\\Theta \$/g;
301: $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g;
302: $result =~ s/&(Xi|\#926);/\$\\Xi \$/g;
303: $result =~ s/&(Pi|\#928);/\$\\Pi \$/g;
304: $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g;
305: $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g;
306: $result =~ s/&(Phi|\#934);/\$\\Phi \$/g;
307: $result =~ s/&(Psi|\#936);/\$\\Psi \$/g;
308: $result =~ s/&(Omega|\#937);/\$\\Omega \$/g;
1.37 sakharuk 309: return $result;
310: }
1.41 sakharuk 311:
312:
1.177 sakharuk 313: sub page_format {
1.140 sakharuk 314: #
315: #Correspondence between $papersize variable and real paper format:
316: # 0 - "Letter [8 1/2x11 in]"
317: # 1 - "Legal [8 1/2x14 in]"
318: # 2 - "Ledger/Tabloid [11x17 in]"
319: # 3 - "Executive [7 1/2x10 in]"
320: # 4 - "A2 [420x594 mm]"
321: # 5 - "A3 [297x420 mm]"
322: # 6 - "A4 [210x297 mm]"
323: # 7 - "A5 [148x210 mm]"
324: # 8 - "A6 [105x148 mm]"
325: #
326: my ($papersize,$layout,$numberofcolumns) = @_;
327: my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0);
328: if ($papersize eq '0') {
329: if ($layout eq 'book') {
330: if ($numberofcolumns == 1) {
1.190 sakharuk 331: $textwidth = '7.1 in'; #'18 cm';
332: $textheight = '10.2 in'; #'25.9 cm';
1.140 sakharuk 333: $oddoffset = '-0.57 in';
334: $evenoffset = '-0.57 in';
335: } elsif ($numberofcolumns == 2) {
1.190 sakharuk 336: $textwidth = '3.66 in'; #'93 mm';
337: $textheight = '10.2 in'; #'25.9 cm';
1.140 sakharuk 338: $oddoffset = '-0.57 in';
339: $evenoffset = '-0.57 in';
340: }
341: } elsif ($layout eq 'album') {
342: if ($numberofcolumns eq '1') {
343: $textwidth = '8.8 in';
344: $textheight = '6.8 in';
345: $oddoffset = '-40 pt';
346: $evenoffset = '-60 pt';
347: } elsif ($numberofcolumns == 2) {
348: $textwidth = '4.2 in';
349: $textheight = '6.8 in';
350: $oddoffset = '-40 pt';
351: $evenoffset = '-60 pt';
352: }
353: }
354: # } elsif($papersize eq '1') {
355: # } elsif($papersize eq '2') {
356: # } elsif($papersize eq '3'/) {
357: } elsif($papersize eq '6') {
358: if ($layout eq 'book') {
359: if ($numberofcolumns == 1) {
360: $textwidth = '18 cm';
361: $textheight = '28 cm';
362: $oddoffset = '-0.57 in';
363: $evenoffset = '-0.57 in';
364: } elsif ($numberofcolumns == 2) {
365: $textwidth = '96 mm';
366: $textheight = '2 cm';
367: $oddoffset = '-0.57 in';
368: $evenoffset = '-0.57 in';
369: }
370: } elsif ($layout eq 'album') {
371: if ($numberofcolumns eq '1') {
372: $textwidth = '8.5 in';
373: $textheight = '7.7 in';
374: $oddoffset = '-40 pt';
375: $evenoffset = '-60 pt';
376: } elsif ($numberofcolumns == 2) {
377: $textwidth = '3.9 in';
378: $textheight = '7.7 in';
379: $oddoffset = '-40 pt';
380: $evenoffset = '-60 pt';
381: }
382: }
383: # } elsif($papersize eq '5') {
384: # } elsif($papersize eq '4') {
385: # } elsif($papersize eq '7') {
386: # } elsif($papersize eq '8') {
1.76 sakharuk 387: }
1.140 sakharuk 388: return $textwidth,$textheight,$oddoffset,$evenoffset;
389: }
1.76 sakharuk 390:
391:
1.126 albertel 392: sub get_name {
393: my ($uname,$udom)=@_;
394: if (!defined($uname)) { $uname=$ENV{'user.name'}; }
395: if (!defined($udom)) { $uname=$ENV{'user.domain'}; }
396: my $plainname=&Apache::loncommon::plainname($uname,$udom);
397: if ($plainname=~/^\s*$/) { $plainname=$uname; }
398: return &Apache::lonxml::latex_special_symbols($plainname,undef,undef,
399: 'header');
400: }
401:
1.177 sakharuk 402:
1.76 sakharuk 403: sub page_format_transformation {
1.104 sakharuk 404: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_;
405: my ($textwidth,$textheight,$oddoffset,$evenoffset);
1.101 sakharuk 406: $assignment=~s/_/ /g;
1.104 sakharuk 407: if ($numberofcolumns != 1) {
408: ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns);
409: } else {
410: ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'});
411: }
1.126 albertel 412: my $name = &get_name();
413: if ($name =~ /^\s*$/) {
414: $name=&Apache::lonxml::latex_special_symbols($ENV{'user.name'},undef,
415: undef,'header');
416: }
1.113 sakharuk 417: my $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'','','header');
1.140 sakharuk 418: if ($layout eq 'album') {
419: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm} \\begin{document}\\setcounter{page}{1}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$name}} \\hfill $courseidinfo} \\vskip 5 mm /;
420: } elsif ($layout eq 'book') {
421: if ($choice ne 'All class print') {
1.190 sakharuk 422: $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 423: } else {
1.190 sakharuk 424: $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 425: }
426: }
427: return $text;
428: }
429:
430:
1.33 sakharuk 431: sub page_cleanup {
432: my $result = shift;
1.65 sakharuk 433:
434: $result =~ m/\\end{document}(\d*)$/;
1.34 sakharuk 435: my $number_of_columns = $1;
1.33 sakharuk 436: my $insert = '{';
1.34 sakharuk 437: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33 sakharuk 438: $insert .= '}';
1.65 sakharuk 439: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34 sakharuk 440: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
441: return $result,$number_of_columns;
1.7 sakharuk 442: }
1.5 sakharuk 443:
1.3 sakharuk 444:
1.60 sakharuk 445: sub details_for_menu {
446:
447: my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
448: my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
1.63 albertel 449: my ($map,$id,$resource)=split(/___/,$symbolic);
1.123 albertel 450: $map=&Apache::lonnet::clutter($map);
1.102 sakharuk 451: my $name_of_sequence;
1.123 albertel 452: $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}};
1.63 albertel 453: if ($name_of_sequence =~ /^\s*$/) {
1.123 albertel 454: $map =~ m|([^/]+)$|;
455: $name_of_sequence = $1;
1.63 albertel 456: }
1.123 albertel 457: my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}};
1.63 albertel 458: if ($name_of_map =~ /^\s*$/) {
1.123 albertel 459: $ENV{'request.course.uri'} =~ m|([^/]+)$|;
460: $name_of_map = $1;
461: }
1.63 albertel 462: return ($name_of_resourse,$name_of_sequence,$name_of_map);
1.60 sakharuk 463:
1.76 sakharuk 464: }
465:
466:
467: sub latex_corrections {
468:
469: my ($number_of_columns,$result) = @_;
470:
1.185 sakharuk 471: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76 sakharuk 472: $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91 sakharuk 473: $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/;
474: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
475: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76 sakharuk 476: #-- LaTeX corrections
477: my $first_comment = index($result,'<!--',0);
478: while ($first_comment != -1) {
479: my $end_comment = index($result,'-->',$first_comment);
480: substr($result,$first_comment,$end_comment-$first_comment+3) = '';
481: $first_comment = index($result,'<!--',$first_comment);
482: }
483: $result =~ s/^\s+$//gm; #remove empty lines
1.94 sakharuk 484: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
1.76 sakharuk 485: $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
486: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
487: $result =~ s/{\\par }\s*\\\\/\\\\/gm;
488: $result =~ s/\\\\\s+\[/ \[/g;
489: $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
490: #conversion of html characters to LaTeX equivalents
491: if ($result =~ m/&(\w+|#\d+);/) {
492: $result = &character_chart($result);
493: }
494: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
495: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
496:
497: return $result;
1.60 sakharuk 498: }
499:
1.3 sakharuk 500:
1.177 sakharuk 501: sub output_data {
1.184 sakharuk 502: my ($r,$helper,$rparmhash) = @_;
503: my %parmhash = %$rparmhash;
1.187 www 504: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
1.140 sakharuk 505: $r->print(<<ENDPART);
506: <html>
507: <head>
508: <title>LON-CAPA output for printing</title>
509: </head>
1.187 www 510: $bodytag
511: Please stand by while processing your print request, this may take some time ...
1.140 sakharuk 512: ENDPART
513:
514: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
515: my ($result,$selectionmade) = ('','');
516: my $number_of_columns = 1; #used only for pages to determine the width of the cell
517: my @temporary_array=split /\|/,$format_from_helper;
518: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
519: if ($laystyle eq 'L') {
520: $laystyle='album';
521: } else {
522: $laystyle='book';
523: }
1.177 sakharuk 524: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.140 sakharuk 525: my $assignment = $ENV{'form.assignment'};
526: my $LaTeXwidth;
1.190 sakharuk 527: if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
1.140 sakharuk 528: $LaTeXwidth = $1*10;
1.190 sakharuk 529: } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
1.140 sakharuk 530: $LaTeXwidth = $1;
1.190 sakharuk 531: } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
1.140 sakharuk 532: $LaTeXwidth = $1*25.4;
533: }
534: $LaTeXwidth.=' mm';
1.153 sakharuk 535:
1.140 sakharuk 536: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143 sakharuk 537: #-- single document - problem, page, html, xml, ...
538: my $currentURL;
1.162 sakharuk 539: if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185 sakharuk 540: #prints published resource
1.153 sakharuk 541: $currentURL=$helper->{'VARS'}->{'postdata'};
1.143 sakharuk 542: } else {
1.185 sakharuk 543: #prints resource from the construction space
1.162 sakharuk 544: $currentURL=$helper->{'VARS'}->{'filename'};
545: $currentURL=~s/\/home\//\/~/;
546: $currentURL=~s/public_html\///;
1.143 sakharuk 547: }
1.140 sakharuk 548: $selectionmade = 1;
1.143 sakharuk 549: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.162 sakharuk 550: my %moreenv;
551: $moreenv{'request.filename'}=$currentURL;
1.166 albertel 552: my %form;
553: $form{'grade_target'}='tex';
554: $form{'textwidth'}=$LaTeXwidth;
1.169 albertel 555: my $rndseed=time;
556: $form{'rndseed'}=$rndseed;
1.162 sakharuk 557: &Apache::lonnet::appenv(%moreenv);
1.168 albertel 558: my $texversion=&Apache::lonnet::ssi($currentURL,%form);
1.165 sakharuk 559: &Apache::lonnet::delenv('form.counter');
1.166 albertel 560: &Apache::lonnet::delenv('request.filename');
1.163 sakharuk 561: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.166 albertel 562: my %form;
563: $form{'grade_target'}='answer';
1.167 albertel 564: $form{'answer_output_mode'}='tex';
1.169 albertel 565: $form{'rndseed'}=$rndseed;
1.166 albertel 566: my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.170 sakharuk 567: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.163 sakharuk 568: }
1.162 sakharuk 569: $result .= $texversion;
570: if ($currentURL=~m/\.page\s*$/) {
571: ($result,$number_of_columns) = &page_cleanup($result);
572: }
573: } else {
1.140 sakharuk 574: # $result='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
575: # if ($ENV{'form.url'}=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
576: # $result.=$1;
577: # } else {
578: # $result.=$ENV{'form.url'};
579: # }
580: # $result.=' \end{document}'
1.162 sakharuk 581: }
1.142 sakharuk 582: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
583: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
584: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')) {
1.141 sakharuk 585: #-- produce an output string
586: my $flag_latex_header_remove = 'NO';
587: my $flag_page_in_sequence = 'NO';
588: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
589: for (my $i=0;$i<=$#master_seq;$i++) {
590: $master_seq[$i]=~/___\d+___(.*)$/;
591: my $urlp='/res/'.$1;
592: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1.142 sakharuk 593: $selectionmade = 2;
594: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
595: $selectionmade = 3;
596: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
597: $selectionmade = 4;
1.141 sakharuk 598: }
1.171 sakharuk 599: my %form;
1.166 albertel 600: $form{'grade_target'}='tex';
601: $form{'textwidth'}=$LaTeXwidth;
602: $form{'symb'}=$master_seq[$i];
1.184 sakharuk 603: $form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.141 sakharuk 604: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
1.166 albertel 605: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.141 sakharuk 606: if ($urlp=~/\.page$/) {
607: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
608: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
609: $texversion =~ s/\\end{document}\d*/\\end{document}/;
610: $flag_page_in_sequence = 'YES';
611: }
612: if ($flag_latex_header_remove ne 'NO') {
613: $texversion = &latex_header_footer_remove($texversion);
614: } else {
615: $texversion =~ s/\\end{document}//;
1.171 sakharuk 616: }
617: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
618: my %form;
619: $form{'grade_target'}='answer';
620: $form{'answer_output_mode'}='tex';
621: my $answer=&Apache::lonnet::ssi($urlp,%form);
622: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.141 sakharuk 623: }
624: $result .= $texversion;
625: $flag_latex_header_remove = 'YES';
626: }
627: &Apache::lonnet::delenv('form.counter');
628: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
629: $result .= '\end{document}';
1.150 sakharuk 630: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
631: #-- prints assignments for whole class or for selected students
632: $selectionmade=5;
633: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
634: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
635: #loop over students
636: my $flag_latex_header_remove = 'NO';
637: my %moreenv;
638: $moreenv{'form.textwidth'}=$LaTeXwidth;
639: &Apache::lonnet::appenv(%moreenv);
640: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
641: foreach my $person (@students) {
642: my $current_output = '';
1.140 sakharuk 643: # my ($usersection,$username,$userdomain) = split /:/,$person;
1.150 sakharuk 644: my ($username,$userdomain) = split /:/,$person;
645: my $fullname = &get_name($username,$userdomain);
646: #goes through all resources, checks if they are available for current student, and produces output
647: foreach my $curresline (@master_seq) {
648: if ($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) {
649: my ($map,$id,$res_url) = split(/___/,$curresline);
650: if (&Apache::lonnet::allowed('bre',$res_url)) {
651: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,
652: $ENV{'request.course.id'},'tex');
653: if ($flag_latex_header_remove eq 'YES') {
654: $rendered = &latex_header_footer_remove($rendered);
655: } else {
656: $rendered =~ s/\\end{document}//;
1.173 sakharuk 657: }
658: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
659: my %form;
660: $form{'answer_output_mode'}='tex';
661: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,
662: $ENV{'request.course.id'},%form);
663: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
1.150 sakharuk 664: }
665: $current_output .= $rendered;
666: }
667: $flag_latex_header_remove = 'YES';
668: }
669: }
670: my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
671: if ($current_output=~/\\documentclass/) {
1.180 sakharuk 672: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$helper->{VARS}->{'assignment'}}}\\vskip 3 mm /;
1.150 sakharuk 673: } else {
674: my $blanspages = '';
675: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
1.181 sakharuk 676: $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$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.'}} - '.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$helper->{VARS}->{'assignment'}.'}}} \vskip -5 mm '.$current_output;
1.150 sakharuk 677: }
678: $result .= $current_output;
679: &Apache::lonnet::delenv('form.counter');
680: &Apache::lonxml::init_counter();
681: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
682: 'last student '.$fullname);
683: }
684: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
685: $result .= '\end{document}';
686: &Apache::lonnet::delenv('form.textwidth');
1.151 sakharuk 687: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
688: #prints selected problems from the subdirectory
689: $selectionmade = 6;
690: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154 sakharuk 691: @list_of_files=sort @list_of_files;
1.175 sakharuk 692: my $flag_latex_header_remove = 'NO';
693: my $rndseed=time;
1.151 sakharuk 694: for (my $i=0;$i<=$#list_of_files;$i++) {
1.152 sakharuk 695: my $urlp = $list_of_files[$i];
696: if ($urlp=~/\//) {
1.166 albertel 697: my %form;
698: $form{'grade_target'}='tex';
699: $form{'textwidth'}=$LaTeXwidth;
1.175 sakharuk 700: $form{'rndseed'}=$rndseed;
1.152 sakharuk 701: if ($urlp =~ m|/home/([^/]+)/public_html|) {
702: $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
703: } else {
704: $urlp =~ s|^/home/httpd/html||;
705: }
1.166 albertel 706: my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.174 sakharuk 707: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
708: my %form;
709: $form{'grade_target'}='answer';
710: $form{'answer_output_mode'}='tex';
711: $form{'rndseed'}=$rndseed;
712: my $answer=&Apache::lonnet::ssi($urlp,%form);
713: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
714: }
1.151 sakharuk 715: #this chunck is responsible for printing the path to problem
1.152 sakharuk 716: my $newurlp = '';
717: my $HowMany = length($urlp)*2;
718: if ($HowMany > $LaTeXwidth) {
719: my @temporrary = split '/',$urlp;
720: my $HowManyNew = 0;
721: for (my $ii=0;$ii<=$#temporrary;$ii++) {
722: if ($temporrary[$ii] ne '') {
723: $HowManyNew += length($temporrary[$ii])*2;
724: if ($HowManyNew < $LaTeXwidth ) {
725: $newurlp .= '/'.$temporrary[$ii];
726: } else {
727: $HowManyNew = 0;
728: $newurlp .= '|\vskip -1 mm \noindent \verb|';
729: $ii--;
730: }
731: }
732: }
733: }
734: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 {\\small\\noindent\\verb|$newurlp\|\\vskip 0 mm}/;
735: if ($flag_latex_header_remove ne 'NO') {
736: $texversion = &latex_header_footer_remove($texversion);
737: } else {
738: $texversion =~ s/\\end{document}//;
739: }
740: $result .= $texversion;
741: }
742: $flag_latex_header_remove = 'YES';
1.151 sakharuk 743: }
1.175 sakharuk 744: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152 sakharuk 745: $result .= '\end{document}';
1.140 sakharuk 746: }
747: #-------------------------------------------------------- corrections for the different page formats
1.177 sakharuk 748: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'});
1.140 sakharuk 749: $result = &latex_corrections($number_of_columns,$result);
1.190 sakharuk 750: #changes page's parameters for the one column output
751: # if ($numberofcolumns == 1) {
1.140 sakharuk 752: # $result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/;
753: # $result =~ s/\\textheight 25\.9cm/\\textheight $ENV{'form.height'}/;
754: # $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $ENV{'form.leftmargin'}/;
755: # $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $ENV{'form.leftmargin'}/;
756: # }
757: #-- writing .tex file in prtspool
758: my $temp_file;
759: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
760: unless ($temp_file = Apache::File->new('>'.$filename)) {
761: $r->log_error("Couldn't open $filename for output $!");
762: return SERVER_ERROR;
763: }
764: print $temp_file $result;
765:
1.143 sakharuk 766: #<meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
1.140 sakharuk 767: $r->print(<<FINALEND);
768: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
769: </body>
770: </html>
771: FINALEND
772: }
773:
774:
775:
1.3 sakharuk 776: sub handler {
777:
778: my $r = shift;
1.131 bowersj2 779: my $helper;
1.114 bowersj2 780:
1.150 sakharuk 781: # my $loaderror=&Apache::lonnet::overloaderror($r);
782: # if ($loaderror) { return $loaderror; }
783: # $loaderror=
784: # &Apache::lonnet::overloaderror($r,
785: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
786: # if ($loaderror) { return $loaderror; }
1.67 www 787:
1.177 sakharuk 788: my $result = printHelper($r);
789: if (!ref($result)) {
790: return $result;
1.60 sakharuk 791: }
1.177 sakharuk 792: $helper = $result;
793:
794: # my $key;
795: # foreach $key (keys %{$helper->{'VARS'}}) {
796: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
797: # }
798: # return OK;
1.184 sakharuk 799:
800: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
801:
802:
803: &output_data($r,$helper,\%parmhash);
1.2 sakharuk 804: return OK;
1.60 sakharuk 805: }
1.2 sakharuk 806:
1.131 bowersj2 807: use Apache::lonhelper;
1.130 sakharuk 808:
1.131 bowersj2 809: sub printHelper {
1.115 bowersj2 810: my $r = shift;
811:
812: if ($ENV{'request.course.id'}) {
1.131 bowersj2 813: my $fn=$ENV{'request.course.fn'};
814: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1.115 bowersj2 815: }
816:
817: if ($r->header_only) {
1.131 bowersj2 818: if ($ENV{'browser.mathml'}) {
819: $r->content_type('text/xml');
820: } else {
821: $r->content_type('text/html');
822: }
823: $r->send_http_header;
824: return OK;
1.115 bowersj2 825: }
826:
1.131 bowersj2 827: # Send header, nocache
1.115 bowersj2 828: if ($ENV{'browser.mathml'}) {
1.131 bowersj2 829: $r->content_type('text/xml');
1.115 bowersj2 830: } else {
1.131 bowersj2 831: $r->content_type('text/html');
1.115 bowersj2 832: }
833: &Apache::loncommon::no_cache($r);
834: $r->send_http_header;
835: $r->rflush();
836:
1.131 bowersj2 837: # Unfortunately, this helper is so complicated we have to
838: # write it by hand
839:
840: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
841:
1.176 bowersj2 842: my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146 bowersj2 843: $helper->declareVar('symb');
1.156 bowersj2 844: $helper->declareVar('postdata');
845: $helper->declareVar('filename');
846: $helper->declareVar('construction');
1.178 sakharuk 847: $helper->declareVar('assignment');
1.131 bowersj2 848:
849: # This will persistently load in the data we want from the
850: # very first screen.
1.156 bowersj2 851: # Detect whether we're coming from construction space
852: if ($ENV{'form.postdata'} =~ /http:\/\// ) {
1.188 bowersj2 853: $ENV{'form.postdata'} =~ /http:\/\/[^\/]+\/~([^\/]+)\/(.*)/;
1.156 bowersj2 854: $helper->{VARS}->{'filename'} = "/home/$1/public_html/$2";
855: $helper->{VARS}->{'construction'} = 1;
856: } else {
857: if ($ENV{'form.postdata'}) {
858: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
859: }
860: if ($ENV{'form.symb'}) {
861: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
862: }
863: if ($ENV{'form.url'}) {
864: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
865: }
1.157 bowersj2 866: }
1.156 bowersj2 867:
1.146 bowersj2 868: if ($ENV{'form.symb'}) {
869: $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
870: }
871: if ($ENV{'form.url'}) {
1.140 sakharuk 872: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153 sakharuk 873:
1.140 sakharuk 874: }
1.146 bowersj2 875:
1.115 bowersj2 876: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1.178 sakharuk 877: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140 sakharuk 878:
1.156 bowersj2 879:
1.146 bowersj2 880: # Extract map
881: my $symb = $helper->{VARS}->{'symb'};
1.156 bowersj2 882: my ($map, $id, $url);
883: my $subdir;
884:
885: # Get the resource name from construction space
886: if ($helper->{VARS}->{'construction'}) {
887: $resourceTitle = substr($helper->{VARS}->{'filename'},
888: rindex($helper->{VARS}->{'filename'}, '/')+1);
889: $subdir = substr($helper->{VARS}->{'filename'},
890: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
891: } else {
892: ($map, $id, $url) = split(/___/, $symb);
893: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1.146 bowersj2 894:
1.156 bowersj2 895: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
896: my $url = $helper->{VARS}->{'postdata'};
897: $resourceTitle = substr($url, rindex($url, '/') + 1);
898: }
899: $subdir = &Apache::lonnet::filelocation("", $url);
1.128 bowersj2 900: }
1.115 bowersj2 901:
1.192 ! bowersj2 902: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
! 903:
1.131 bowersj2 904: Apache::lonhelper::registerHelperTags();
1.119 bowersj2 905:
1.131 bowersj2 906: # "Delete everything after the last slash."
1.119 bowersj2 907: $subdir =~ s|/[^/]+$||;
1.162 sakharuk 908: if (not $helper->{VARS}->{'construction'}) {
909: $subdir='/home/httpd/html/res/'.$subdir;
1.153 sakharuk 910: }
1.189 bowersj2 911: # "Remove all duplicate slashes."
912: $subdir =~ s|/+|/|g;
1.119 bowersj2 913:
1.131 bowersj2 914: # What can be printed is a very dynamic decision based on
915: # lots of factors. So we need to dynamically build this list.
916: # To prevent security leaks, states are only added to the wizard
917: # if they can be reached, which ensures manipulating the form input
918: # won't allow anyone to reach states they shouldn't have permission
919: # to reach.
920:
921: # printChoices is tracking the kind of printing the user can
922: # do, and will be used in a choices construction later.
923: # In the meantime we will be adding states and elements to
924: # the helper by hand.
925: my $printChoices = [];
926: my $paramHash;
1.130 sakharuk 927:
1.156 bowersj2 928: if ($resourceTitle) {
929: push @{$printChoices}, ["<b>$resourceTitle</b> (prints what you just saw on the screen)", 'current_document', 'PAGESIZE'];
930: }
931:
1.187 www 932: # $r->print($helper->{VARS}->{'postdata'});
1.130 sakharuk 933:
1.131 bowersj2 934: # If we're in a sequence...
1.162 sakharuk 935: if ($helper->{'VARS'}->{'construction'} ne '1') {
1.131 bowersj2 936: # Allow problems from sequence
1.155 sakharuk 937: push @{$printChoices}, ["Problem(s) from <b>$sequenceTitle</b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131 bowersj2 938: # Allow all resources from sequence
1.155 sakharuk 939: push @{$printChoices}, ["Everything (problem(s), page(s), html/xml file(s)) from <b>$sequenceTitle</b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130 sakharuk 940:
1.192 ! bowersj2 941: my $isProblem = '$res->is_problem()';
! 942: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.131 bowersj2 943: my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
1.192 ! bowersj2 944: my $isNotMap = '!$res->is_map()';
! 945: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
! 946: my $symb = '$res->symb()';
1.131 bowersj2 947: my $helperFragment = <<HELPERFRAGMENT;
1.155 sakharuk 948: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
949: <message>(mark them then click "next" button) <br /></message>
1.144 bowersj2 950: <resource variable="RESOURCES" multichoice="1" toponly='1'>
951: <nextstate>PAGESIZE</nextstate>
1.192 ! bowersj2 952: <filterfunc>return $isProblem;</filterfunc>
1.131 bowersj2 953: <mapurl>$map</mapurl>
1.192 ! bowersj2 954: <valuefunc>return $symb;</valuefunc>
1.131 bowersj2 955: </resource>
956: </state>
957:
1.155 sakharuk 958: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
959: <message>(mark them then click "next" button) <br /></message>
1.144 bowersj2 960: <resource variable="RESOURCES" multichoice="1" toponly='1'>
961: <nextstate>PAGESIZE</nextstate>
1.145 bowersj2 962: <filterfunc>return $isNotMap;</filterfunc>
1.131 bowersj2 963: <mapurl>$map</mapurl>
1.192 ! bowersj2 964: <valuefunc>return $symb;</valuefunc>
1.131 bowersj2 965: </resource>
966: </state>
967: HELPERFRAGMENT
1.121 bowersj2 968:
1.131 bowersj2 969: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121 bowersj2 970: }
971:
972: # If the user is priviledged, allow them to print all
973: # problems in the course, optionally for selected students
1.131 bowersj2 974: if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($helper->{VARS}->{'postdata'}=~/\/res\//)) {
1.155 sakharuk 975: push @{$printChoices}, ['<b>Problems</b> in this course', 'all_problems', 'ALL_PROBLEMS'];
1.131 bowersj2 976: push @{$printChoices}, ["Problems from <b>$sequenceTitle</b> for selected students", 'problems_for_students', 'CHOOSE_STUDENTS'];
977:
1.192 ! bowersj2 978: my $isProblem = '$res->is_problem()';
! 979: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
! 980: my $isProblemOrMap = '($res->is_problem() || $res->is_map())';
! 981: $isProblemOrMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
! 982: my $symb = '$res->symb()';
1.131 bowersj2 983: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1.155 sakharuk 984: <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
985: <message>(mark them then click "next" button) <br /></message>
1.172 bowersj2 986: <resource variable="RESOURCES" multichoice="1" suppressEmptySequences='1'>
1.144 bowersj2 987: <nextstate>PAGESIZE</nextstate>
1.192 ! bowersj2 988: <filterfunc>return $isProblemOrMap;</filterfunc>
! 989: <choicefunc>return $isProblem;</choicefunc>
! 990: <valuefunc>return $symb;</valuefunc>
1.132 bowersj2 991: </resource>
992: </state>
993:
1.155 sakharuk 994: <state name="CHOOSE_STUDENTS" title="Choose Students whose assignments you want to print">
1.144 bowersj2 995: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1.155 sakharuk 996: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.147 bowersj2 997: <resource variable="RESOURCES" multichoice="1">
998: <filterfunc>return $isProblem</filterfunc>
1.148 bowersj2 999: <mapurl>$map</mapurl>
1.147 bowersj2 1000: <valuefunc>return $symb</valuefunc>
1001: </resource>
1.155 sakharuk 1002: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149 bowersj2 1003: <choices variable="EMPTY_PAGES">
1.183 albertel 1004: <choice computer='0'>Start each student's assignment on a new page (add a pagefeed after each assignment)</choice>
1005: <choice computer='1'>Add one empty page after each student's assignment</choice>
1006: <choice computer='2'>Add two empty pages after each student's assignment</choice>
1.149 bowersj2 1007: </choices>
1.131 bowersj2 1008: </state>
1009: CHOOSE_STUDENTS
1.121 bowersj2 1010: }
1011:
1012: # FIXME: That RE should come from a library somewhere.
1.153 sakharuk 1013: if (((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) {
1.155 sakharuk 1014: push @{$printChoices}, ["Problems from current subdirectory <b>$subdir</b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.131 bowersj2 1015:
1016: my $f = '$filename';
1.139 bowersj2 1017: my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155 sakharuk 1018: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1019: <message>(mark them then click "next" button) <br /></message>
1.138 bowersj2 1020: <files variable="FILES" multichoice='1'>
1.144 bowersj2 1021: <nextstate>PAGESIZE</nextstate>
1.138 bowersj2 1022: <filechoice>return '$subdir';</filechoice>
1.139 bowersj2 1023: CHOOSE_FROM_SUBDIR
1024:
1025: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1026: <filefilter>return $filename =~
1027: m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131 bowersj2 1028: </filefilter>
1.138 bowersj2 1029: </files>
1.131 bowersj2 1030: </state>
1031: CHOOSE_FROM_SUBDIR
1.139 bowersj2 1032: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131 bowersj2 1033: }
1034:
1035: # Generate the first state, to select which resources get printed.
1.155 sakharuk 1036: Apache::lonhelper::state->new("START", "What do you want to print? Make a choice.");
1.131 bowersj2 1037: $paramHash = Apache::lonhelper::getParamHash();
1.155 sakharuk 1038: $paramHash->{MESSAGE_TEXT} = "";
1.131 bowersj2 1039: Apache::lonhelper::message->new();
1040: $paramHash = Apache::lonhelper::getParamHash();
1041: $paramHash->{'variable'} = 'PRINT_TYPE';
1.137 bowersj2 1042: $helper->declareVar('PRINT_TYPE');
1.131 bowersj2 1043: $paramHash->{CHOICES} = $printChoices;
1044: Apache::lonhelper::choices->new();
1.161 bowersj2 1045:
1.170 sakharuk 1046: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
1047: ($helper->{VARS}->{'construction'} eq '1')) {
1.161 bowersj2 1048: $paramHash = Apache::lonhelper::getParamHash();
1.162 sakharuk 1049: $paramHash->{MESSAGE_TEXT} = "<br /><big><b><i>Next option is available only for advanced users:</i></b></big><br />";
1.161 bowersj2 1050: Apache::lonhelper::message->new();
1051: $paramHash = Apache::lonhelper::getParamHash();
1.162 sakharuk 1052: $paramHash->{'variable'} = 'ANSWER_TYPE';
1053: $helper->declareVar('ANSWER_TYPE');
1.161 bowersj2 1054: $paramHash->{CHOICES} = [
1.163 sakharuk 1055: ['Print without answer', 'yes'],
1056: ['Print with answers', 'no'] ];
1.161 bowersj2 1057: Apache::lonhelper::choices->new();
1058: }
1059:
1.131 bowersj2 1060: Apache::lonprintout::page_format_state->new("FORMAT");
1061:
1.144 bowersj2 1062: # Generate the PAGESIZE state which will offer the user the margin
1063: # choices if they select one column
1064: Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
1065: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
1066:
1067:
1.131 bowersj2 1068: $helper->process();
1069:
1070: # MANUAL BAILOUT CONDITION:
1071: # If we're in the "final" state, bailout and return to handler
1072: if ($helper->{STATE} eq 'FINAL') {
1073: return $helper;
1074: }
1.130 sakharuk 1075:
1.131 bowersj2 1076: $r->print($helper->display());
1.130 sakharuk 1077:
1.131 bowersj2 1078: Apache::lonhelper::unregisterHelperTags();
1.115 bowersj2 1079:
1080: untie %hash;
1081:
1082: return OK;
1083: }
1084:
1.1 www 1085:
1086: 1;
1.119 bowersj2 1087:
1088: package Apache::lonprintout::page_format_state;
1089:
1090: =pod
1091:
1.131 bowersj2 1092: =head1 Helper element: page_format_state
1093:
1094: See lonhelper.pm documentation for discussion of the helper framework.
1.119 bowersj2 1095:
1.131 bowersj2 1096: Apache::lonprintout::page_format_state is an element that gives the
1097: user an opportunity to select the page layout they wish to print
1098: with: Number of columns, portrait/landscape, and paper size. If you
1099: want to change the paper size choices, change the @paperSize array
1100: contents in this package.
1.119 bowersj2 1101:
1.131 bowersj2 1102: page_format_state is always directly invoked in lonprintout.pm, so there
1103: is no tag interface. You actually pass parameters to the constructor.
1.119 bowersj2 1104:
1105: =over 4
1106:
1.131 bowersj2 1107: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119 bowersj2 1108:
1109: =back
1110:
1111: =cut
1112:
1.131 bowersj2 1113: use Apache::lonhelper;
1.119 bowersj2 1114:
1115: no strict;
1.131 bowersj2 1116: @ISA = ("Apache::lonhelper::element");
1.119 bowersj2 1117: use strict;
1118:
1119: my $maxColumns = 2;
1120: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
1121: "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
1122: "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]",
1123: "A5 [148x210 mm]", "A6 [105x148 mm]" );
1124:
1125: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
1126: # Paper type
1127:
1128: sub new {
1.131 bowersj2 1129: my $self = Apache::lonhelper::element->new();
1.119 bowersj2 1130:
1.135 bowersj2 1131: shift;
1132:
1.131 bowersj2 1133: $self->{'variable'} = shift;
1.134 bowersj2 1134: my $helper = Apache::lonhelper::getHelper();
1.135 bowersj2 1135: $helper->declareVar($self->{'variable'});
1.131 bowersj2 1136: bless($self);
1.119 bowersj2 1137: return $self;
1138: }
1139:
1140: sub render {
1141: my $self = shift;
1.131 bowersj2 1142: my $helper = Apache::lonhelper::getHelper();
1.119 bowersj2 1143: my $result = '';
1.131 bowersj2 1144: my $var = $self->{'variable'};
1.119 bowersj2 1145:
1146: $result .= <<STATEHTML;
1147:
1.155 sakharuk 1148: <p><big><i><b>What page format do you prefer?</b></i></big></p>
1.119 bowersj2 1149: <table cellpadding="3">
1150: <tr>
1.155 sakharuk 1151: <td align="center"><b>Page layout</b></td>
1152: <td align="center"><b>Number of columns</b></td>
1.131 bowersj2 1153: <td align="center"><b>Paper type</b></td>
1.119 bowersj2 1154: </tr>
1155: <tr>
1156: <td>
1.155 sakharuk 1157: <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
1158: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
1.119 bowersj2 1159: </td>
1.155 sakharuk 1160: <td align="center">
1.119 bowersj2 1161: <select name="${var}.cols">
1162: STATEHTML
1163:
1164: my $i;
1165: for ($i = 1; $i <= $maxColumns; $i++) {
1.144 bowersj2 1166: if ($i == 2) {
1.119 bowersj2 1167: $result .= "<option value='$i' selected>$i</option>\n";
1168: } else {
1169: $result .= "<option value='$i'>$i</option>\n";
1170: }
1171: }
1172:
1173: $result .= "</select></td><td>\n";
1174: $result .= "<select name='${var}.paper'>\n";
1175:
1176: $i = 0;
1177: foreach (@paperSize) {
1.144 bowersj2 1178: if ($i == 0) {
1.131 bowersj2 1179: $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
1.119 bowersj2 1180: } else {
1.131 bowersj2 1181: $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
1.119 bowersj2 1182: }
1183: $i++;
1184: }
1185:
1186: $result .= "</select></td></tr></table>";
1187: return $result;
1.135 bowersj2 1188: }
1189:
1190: sub postprocess {
1191: my $self = shift;
1192:
1193: my $var = $self->{'variable'};
1.136 bowersj2 1194: my $helper = Apache::lonhelper->getHelper();
1.135 bowersj2 1195: $helper->{VARS}->{$var} =
1.136 bowersj2 1196: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
1197: $ENV{"form.$var.paper"};
1.135 bowersj2 1198: return 1;
1.119 bowersj2 1199: }
1200:
1201: 1;
1.144 bowersj2 1202:
1203: package Apache::lonprintout::page_size_state;
1204:
1205: =pod
1206:
1207: =head1 Helper element: page_size_state
1208:
1209: See lonhelper.pm documentation for discussion of the helper framework.
1210:
1211: Apache::lonprintout::page_size_state is an element that gives the
1212: user the opportunity to further refine the page settings if they
1213: select a single-column page.
1214:
1215: page_size_state is always directly invoked in lonprintout.pm, so there
1216: is no tag interface. You actually pass parameters to the constructor.
1217:
1218: =over 4
1219:
1220: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1221:
1222: =back
1223:
1224: =cut
1225:
1226: use Apache::lonhelper;
1227:
1228: no strict;
1229: @ISA = ("Apache::lonhelper::element");
1230: use strict;
1231:
1232:
1233:
1234: sub new {
1235: my $self = Apache::lonhelper::element->new();
1236:
1237: shift; # disturbs me (probably prevents subclassing) but works (drops
1238: # package descriptor)... - Jeremy
1239:
1240: $self->{'variable'} = shift;
1241: my $helper = Apache::lonhelper::getHelper();
1242: $helper->declareVar($self->{'variable'});
1243:
1244: # The variable name of the format element, so we can look into
1245: # $helper->{VARS} to figure out whether the columns are one or two
1246: $self->{'formatvar'} = shift;
1247:
1248: # The state to transition to after selection, or after discovering
1249: # the cols are not set to 1
1250: $self->{NEXTSTATE} = shift;
1251: bless($self);
1252: return $self;
1253: }
1254:
1255: sub render {
1256: my $self = shift;
1257: my $helper = Apache::lonhelper::getHelper();
1258: my $result = '';
1259: my $var = $self->{'variable'};
1260:
1261: if (defined $self->{ERROR_MSG}) {
1262: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
1263: }
1264:
1265: $result .= <<ELEMENTHTML;
1266:
1267: <p>How should the column be formatted?</p>
1268:
1269: <table cellpadding='3'>
1270: <tr>
1271: <td align='right'><b>Width</b>:</td>
1272: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
1273: <td align='left'>
1274: <select name='$var.widthunit'>
1275: <option>cm</option><option>in</option>
1276: </select>
1277: </td>
1278: </tr>
1279: <tr>
1280: <td align='right'><b>Height</b>:</td>
1281: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
1282: <td align='left'>
1283: <select name='$var.heightunit'>
1284: <option>cm</option><option>in</option>
1285: </select>
1286: </td>
1287: </tr>
1288: <tr>
1289: <td align='right'><b>Left margin</b>:</td>
1290: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
1291: <td align='left'>
1.186 bowersj2 1292: <select name='$var.lmarginunit'>
1.144 bowersj2 1293: <option>cm</option><option>in</option>
1294: </select>
1295: </td>
1296: </tr>
1297: </table>
1298:
1299: <p>Hint: Some instructors like to leave scratch space for the student by
1300: making the width much smaller then the width of the page.</p>
1301:
1302: ELEMENTHTML
1303:
1304: return $result;
1305: }
1306:
1307: # If the user didn't select 1 column, skip this state.
1308: sub preprocess {
1309: my $self = shift;
1310: my $helper = Apache::lonhelper::getHelper();
1311:
1312: my $format = $helper->{VARS}->{$self->{'formatvar'}};
1313: if (substr($format, 2, 1) ne '1') {
1314: $helper->changeState($self->{NEXTSTATE});
1315: }
1316:
1317: return 1;
1318: }
1319:
1320: sub postprocess {
1321: my $self = shift;
1322:
1323: my $var = $self->{'variable'};
1324: my $helper = Apache::lonhelper->getHelper();
1325: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
1326: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
1327: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
1328: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
1329: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
1330: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
1331:
1332: my $error = '';
1333:
1334: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
1335: # by an optional period, followed by digits, ending the string
1336:
1337: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1338: $error .= "Invalid width; please type only a number.<br />\n";
1339: }
1340: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1341: $error .= "Invalid height; please type only a number.<br />\n";
1342: }
1343: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
1344: $error .= "Invalid left margin; please type only a number.<br />\n";
1345: }
1346:
1347: if (!$error) {
1348: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
1349: return 1;
1350: } else {
1351: $self->{ERROR_MSG} = $error;
1352: return 0;
1353: }
1354: }
1355:
1356:
1.119 bowersj2 1357:
1.1 www 1358: __END__
1.6 sakharuk 1359:
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