Annotation of loncom/interface/lonprintout.pm, revision 1.372

1.350     foxr        1: #  The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.372   ! foxr        4: # $Id: lonprintout.pm,v 1.371 2005/03/28 12:14:13 foxr 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: #
1.3       sakharuk   28: #
1.1       www        29: package Apache::lonprintout;
                     30: 
                     31: use strict;
1.10      albertel   32: use Apache::Constants qw(:common :http);
1.2       sakharuk   33: use Apache::lonxml;
                     34: use Apache::lonnet;
1.54      sakharuk   35: use Apache::loncommon;
1.13      sakharuk   36: use Apache::inputtags;
1.54      sakharuk   37: use Apache::grades;
1.13      sakharuk   38: use Apache::edit;
1.5       sakharuk   39: use Apache::File();
1.68      sakharuk   40: use Apache::lonnavmaps;
1.227     sakharuk   41: use Apache::lonratedt;
1.34      sakharuk   42: use POSIX qw(strftime);
1.255     www        43: use Apache::lonlocal;
1.60      sakharuk   44: 
1.341     foxr       45: #   Compare two students by name.  The students are in the form
                     46: #   returned by the helper:
                     47: #      user:domain:section:last,   first:status
                     48: #   This is a helper function for the perl sort built-in  therefore:
                     49: # Implicit Inputs:
                     50: #    $a     - The first element to compare (global)
                     51: #    $b     - The second element to compare (global)
                     52: # Returns:
                     53: #   -1   - $a < $b
                     54: #    0   - $a == $b
                     55: #   +1   - $a > $b
                     56: #   Note that the initial comparison is done on the last names with the
                     57: #   first names only used to break the tie.
                     58: #
                     59: #
                     60: sub compare_names {
                     61:     #  First split the names up into the primary fields.
                     62: 
                     63:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                     64:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                     65: 
                     66:     # Now split the last name and first name of each n:
                     67:     #
                     68: 
                     69:     my ($l1,$f1) = split(/,/, $n1);
                     70:     my ($l2,$f2) = split(/,/, $n2);
                     71: 
                     72:     # We don't bother to remove the leading/trailing whitespace from the
                     73:     # firstname, unless the last names compare identical.
                     74: 
                     75:     if($l1 lt $l2) {
                     76: 	return -1;
                     77:     }
                     78:     if($l1 gt $l2) {
                     79: 	return  1;
                     80:     }
                     81: 
                     82:     # Break the tie on the first name, but there are leading (possibly trailing
                     83:     # whitespaces to get rid of first 
                     84:     #
                     85:     $f1 =~ s/^\s+//;		# Remove leading...
                     86:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                     87:     
                     88:     $f2 =~ s/^\s+//;
                     89:     $f2 =~ s/\s+$//;		# And the same for first 2...
                     90: 
                     91:     if($f1 lt $f2) {
                     92: 	return -1;
                     93:     }
                     94:     if($f1 gt $f2) {
                     95: 	return 1;
                     96:     }
                     97:     
                     98:     #  Must be the same name.
                     99: 
                    100:     return 0;
                    101: }
                    102: 
1.71      sakharuk  103: sub latex_header_footer_remove {
                    104:     my $text = shift;
                    105:     $text =~ s/\\end{document}//;
                    106:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    107:     return $text;
                    108: }
                    109: 
                    110: 
1.37      sakharuk  111: sub character_chart {
                    112:     my $result = shift;	
1.116     sakharuk  113:     $result =~ s/&\#0?0?(7|9);//g;
                    114:     $result =~ s/&\#0?(10|13);//g;
                    115:     $result =~ s/&\#0?32;/ /g;
                    116:     $result =~ s/&\#0?33;/!/g;
                    117:     $result =~ s/&(\#0?34|quot);/\"/g;
                    118:     $result =~ s/&\#0?35;/\\\#/g;
                    119:     $result =~ s/&\#0?36;/\\\$/g;
                    120:     $result =~ s/&\#0?37;/\\%/g; 
                    121:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    122:     $result =~ s/&\#(0?39|146);/\'/g;
                    123:     $result =~ s/&\#0?40;/(/g;
                    124:     $result =~ s/&\#0?41;/)/g;
                    125:     $result =~ s/&\#0?42;/\*/g;
                    126:     $result =~ s/&\#0?43;/\+/g;
                    127:     $result =~ s/&\#(0?44|130);/,/g;
                    128:     $result =~ s/&\#0?45;/-/g;
                    129:     $result =~ s/&\#0?46;/\./g;
                    130:     $result =~ s/&\#0?47;/\//g;
                    131:     $result =~ s/&\#0?48;/0/g;
                    132:     $result =~ s/&\#0?49;/1/g;
                    133:     $result =~ s/&\#0?50;/2/g;
                    134:     $result =~ s/&\#0?51;/3/g;
                    135:     $result =~ s/&\#0?52;/4/g;
                    136:     $result =~ s/&\#0?53;/5/g;
                    137:     $result =~ s/&\#0?54;/6/g;
                    138:     $result =~ s/&\#0?55;/7/g;
                    139:     $result =~ s/&\#0?56;/8/g;
                    140:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  141:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  142:     $result =~ s/&\#0?59;/;/g;
                    143:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  144:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    145:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  146:     $result =~ s/&\#0?63;/\?/g;
                    147:     $result =~ s/&\#0?65;/A/g;
                    148:     $result =~ s/&\#0?66;/B/g;
                    149:     $result =~ s/&\#0?67;/C/g;
                    150:     $result =~ s/&\#0?68;/D/g;
                    151:     $result =~ s/&\#0?69;/E/g;
                    152:     $result =~ s/&\#0?70;/F/g;
                    153:     $result =~ s/&\#0?71;/G/g;
                    154:     $result =~ s/&\#0?72;/H/g;
                    155:     $result =~ s/&\#0?73;/I/g;
                    156:     $result =~ s/&\#0?74;/J/g;
                    157:     $result =~ s/&\#0?75;/K/g;
                    158:     $result =~ s/&\#0?76;/L/g;
                    159:     $result =~ s/&\#0?77;/M/g;
                    160:     $result =~ s/&\#0?78;/N/g;
                    161:     $result =~ s/&\#0?79;/O/g;
                    162:     $result =~ s/&\#0?80;/P/g;
                    163:     $result =~ s/&\#0?81;/Q/g;
                    164:     $result =~ s/&\#0?82;/R/g;
                    165:     $result =~ s/&\#0?83;/S/g;
                    166:     $result =~ s/&\#0?84;/T/g;
                    167:     $result =~ s/&\#0?85;/U/g;
                    168:     $result =~ s/&\#0?86;/V/g;
                    169:     $result =~ s/&\#0?87;/W/g;
                    170:     $result =~ s/&\#0?88;/X/g;
                    171:     $result =~ s/&\#0?89;/Y/g;
                    172:     $result =~ s/&\#0?90;/Z/g;
                    173:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  174:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  175:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  176:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  177:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    178:     $result =~ s/&\#(0?96|145);/\`/g;
                    179:     $result =~ s/&\#0?97;/a/g;
                    180:     $result =~ s/&\#0?98;/b/g;
                    181:     $result =~ s/&\#0?99;/c/g;
                    182:     $result =~ s/&\#100;/d/g;
                    183:     $result =~ s/&\#101;/e/g;
                    184:     $result =~ s/&\#102;/f/g;
                    185:     $result =~ s/&\#103;/g/g;
                    186:     $result =~ s/&\#104;/h/g;
                    187:     $result =~ s/&\#105;/i/g;
                    188:     $result =~ s/&\#106;/j/g;
                    189:     $result =~ s/&\#107;/k/g;
                    190:     $result =~ s/&\#108;/l/g;
                    191:     $result =~ s/&\#109;/m/g;
                    192:     $result =~ s/&\#110;/n/g;
                    193:     $result =~ s/&\#111;/o/g;
                    194:     $result =~ s/&\#112;/p/g;
                    195:     $result =~ s/&\#113;/q/g;
                    196:     $result =~ s/&\#114;/r/g;
                    197:     $result =~ s/&\#115;/s/g;
                    198:     $result =~ s/&\#116;/t/g;
                    199:     $result =~ s/&\#117;/u/g;
                    200:     $result =~ s/&\#118;/v/g;
                    201:     $result =~ s/&\#119;/w/g;
                    202:     $result =~ s/&\#120;/x/g;
                    203:     $result =~ s/&\#121;/y/g;
                    204:     $result =~ s/&\#122;/z/g;
                    205:     $result =~ s/&\#123;/\\{/g;
                    206:     $result =~ s/&\#124;/\|/g;
                    207:     $result =~ s/&\#125;/\\}/g;
                    208:     $result =~ s/&\#126;/\~/g;
                    209:     $result =~ s/&\#131;/\\textflorin /g;
                    210:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  211:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    212:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    213:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  214:     $result =~ s/&\#137;/\\textperthousand /g;
                    215:     $result =~ s/&\#140;/{\\OE}/g;
                    216:     $result =~ s/&\#147;/\`\`/g;
                    217:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  218:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.116     sakharuk  219:     $result =~ s/&\#150;/--/g;
                    220:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  221:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  222:     $result =~ s/&\#153;/\\texttrademark /g;
                    223:     $result =~ s/&\#156;/\\oe/g;
                    224:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  225:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  226:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    227:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    228:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    229:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    230:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    231:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    232:     $result =~ s/&(\#167|sect);/\\textsection /g;
                    233:     $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
                    234:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    235:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  236:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  237:     $result =~ s/&(\#173|shy);/ - /g;
                    238:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  239:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    240:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    241:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    242:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    243:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.116     sakharuk  244:     $result =~ s/&(\#180|acute);/\\textacute /g;
1.281     sakharuk  245:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  246:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  247:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  248:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  249:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  250:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    251:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    252:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    253:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    254:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    255:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    256:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    257:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    258:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    259:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    260:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    261:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    262:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    263:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    264:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    265:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    266:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    267:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    268:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    269:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    270:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    271:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    272:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    273:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    274:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    275:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    276:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  277:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  278:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    279:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    280:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    281:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    282:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    283:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  284:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  285:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    286:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    287:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    288:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    289:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    290:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    291:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    292:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    293:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    294:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    295:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    296:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    297:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    298:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    299:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    300:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  301:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  302:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    303:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    304:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    305:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    306:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    307:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  308:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  309:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    310:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    311:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    312:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    313:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    314:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    315:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.281     sakharuk  316:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk  317: #Greek Alphabet
1.281     sakharuk  318:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                    319:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                    320:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                    321:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                    322:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                    323:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                    324:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                    325:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                    326:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                    327:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                    328:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                    329:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                    330:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                    331:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk  332:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk  333:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                    334:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                    335:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                    336:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                    337:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                    338:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                    339:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                    340:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                    341:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                    342:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                    343:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk  344:     $result =~ s/&(Alpha|\#913);/A/g;
                    345:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk  346:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                    347:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk  348:     $result =~ s/&(Epsilon|\#917);/E/g;
                    349:     $result =~ s/&(Zeta|\#918);/Z/g;
                    350:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk  351:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk  352:     $result =~ s/&(Iota|\#921);/I/g;
                    353:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk  354:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk  355:     $result =~ s/&(Mu|\#924);/M/g;
                    356:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk  357:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk  358:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk  359:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk  360:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk  361:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk  362:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk  363:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                    364:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk  365:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk  366:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                    367:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk  368: #Arrows (extended HTML 4.01)
1.281     sakharuk  369:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                    370:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                    371:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                    372:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                    373:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                    374:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                    375:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                    376:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                    377:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                    378:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk  379: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk  380:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                    381:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                    382:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                    383:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                    384:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                    385:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                    386:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                    387:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                    388:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                    389:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                    390:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
                    391:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                    392:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                    393:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                    394:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                    395:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                    396:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                    397:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                    398:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                    399:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                    400:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                    401:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                    402:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                    403:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                    404:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                    405:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                    406:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                    407:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                    408:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                    409:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                    410:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                    411:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                    412:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                    413:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                    414:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                    415:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                    416:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk  417: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk  418:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk  419: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk  420:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                    421:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                    422:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                    423:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.37      sakharuk  424:     return $result;
                    425: }
1.41      sakharuk  426: 
                    427: 
1.327     albertel  428:                   #width, height, oddsidemargin, evensidemargin, topmargin
                    429: my %page_formats=
                    430:     ('letter' => {
                    431: 	 'book' => {
1.349     albertel  432: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
                    433: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
1.327     albertel  434: 	 },
                    435: 	 'album' => {
1.338     albertel  436: 	     '1' => [ '8.8 in', '6.8 in','-40 pt in',  '-60 pt','1 cm'],
1.327     albertel  437: 	     '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
                    438: 	 },
                    439:      },
                    440:      'legal' => {
                    441: 	 'book' => {
                    442: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    443: 	     '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
                    444: 	 },
                    445: 	 'album' => {
                    446: 	     '1' => [],
                    447: 	     '2' => []
                    448:           },
                    449:      },
                    450:      'tabloid' => {
                    451: 	 'book' => {
                    452: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                    453: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                    454: 	 },
                    455: 	 'album' => {
                    456: 	     '1' => [],
                    457: 	     '2' => []
                    458:           },
                    459:      },
                    460:      'executive' => {
                    461: 	 'book' => {
                    462: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                    463: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                    464: 	 },
                    465: 	 'album' => {
                    466: 	     '1' => [],
                    467: 	     '2' => []
                    468:           },
                    469:      },
                    470:      'a2' => {
                    471: 	 'book' => {
                    472: 	     '1' => [],
                    473: 	     '2' => []
                    474: 	 },
                    475: 	 'album' => {
                    476: 	     '1' => [],
                    477: 	     '2' => []
                    478:           },
                    479:      },
                    480:      'a3' => {
                    481: 	 'book' => {
                    482: 	     '1' => [],
                    483: 	     '2' => []
                    484: 	 },
                    485: 	 'album' => {
                    486: 	     '1' => [],
                    487: 	     '2' => []
                    488:           },
                    489:      },
                    490:      'a4' => {
                    491: 	 'book' => {
                    492: 	     '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
                    493: 	     '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
                    494: 	 },
                    495: 	 'album' => {
                    496: 	     '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
                    497: 	     '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
                    498: 	 },
                    499:      },
                    500:      'a5' => {
                    501: 	 'book' => {
                    502: 	     '1' => [],
                    503: 	     '2' => []
                    504: 	 },
                    505: 	 'album' => {
                    506: 	     '1' => [],
                    507: 	     '2' => []
                    508:           },
                    509:      },
                    510:      'a6' => {
                    511: 	 'book' => {
                    512: 	     '1' => [],
                    513: 	     '2' => []
                    514: 	 },
                    515: 	 'album' => {
                    516: 	     '1' => [],
                    517: 	     '2' => []
                    518:           },
                    519:      },
                    520:      );
                    521: 
1.177     sakharuk  522: sub page_format {
1.140     sakharuk  523: #
1.326     sakharuk  524: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                    525: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                    526: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                    527: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                    528: #                        "A6 [105x148 mm]"
1.140     sakharuk  529: # 
                    530:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel  531:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk  532: }
1.76      sakharuk  533: 
                    534: 
1.126     albertel  535: sub get_name {
                    536:     my ($uname,$udom)=@_;
                    537:     if (!defined($uname)) { $uname=$ENV{'user.name'}; }
1.212     albertel  538:     if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
1.126     albertel  539:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel  540:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
                    541:     $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
                    542:     return $plainname;
1.126     albertel  543: }
                    544: 
1.213     albertel  545: sub get_course {
                    546:     my $courseidinfo;
                    547:     if (defined($ENV{'request.course.id'})) {
                    548: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
                    549:     }
                    550:     return $courseidinfo;
                    551: }
1.177     sakharuk  552: 
1.76      sakharuk  553: sub page_format_transformation {
1.312     sakharuk  554:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk  555:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.312     sakharuk  556:     if ($selectionmade eq '4') {
                    557: 	$assignment='Problems from the Whole Course';
                    558:     } else {
                    559: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                    560:     }
1.261     sakharuk  561:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.126     albertel  562:     my $name = &get_name();
1.213     albertel  563:     my $courseidinfo = &get_course();
                    564:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.319     sakharuk  565:     my $topmargintoinsert = '';
                    566:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk  567:     my $fancypagestatement='';
                    568:     if ($numberofcolumns eq '2') {
                    569: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
                    570:     } else {
                    571: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
                    572:     }
1.140     sakharuk  573:     if ($layout eq 'album') {
1.340     foxr      574: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk  575:     } elsif ($layout eq 'book') {
                    576: 	if ($choice ne 'All class print') { 
1.340     foxr      577: 	    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
1.140     sakharuk  578: 	} else {
1.340     foxr      579: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk  580: 	}
1.326     sakharuk  581: 	if ($papersize eq 'a4') {
1.319     sakharuk  582: 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
1.140     sakharuk  583: 	}
                    584:     }
1.214     sakharuk  585:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                    586:     if ($indexlist eq 'yes') {
                    587: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                    588: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                    589:     }
1.140     sakharuk  590:     return $text;
                    591: }
                    592: 
                    593: 
1.33      sakharuk  594: sub page_cleanup {
                    595:     my $result = shift;	
1.65      sakharuk  596:  
                    597:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk  598:     my $number_of_columns = $1;
1.33      sakharuk  599:     my $insert = '{';
1.34      sakharuk  600:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk  601:     $insert .= '}';
1.65      sakharuk  602:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk  603:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                    604:     return $result,$number_of_columns;
1.7       sakharuk  605: }
1.5       sakharuk  606: 
1.3       sakharuk  607: 
1.60      sakharuk  608: sub details_for_menu {
1.335     albertel  609:     my ($helper)=@_;
                    610:     my $postdata=$ENV{'form.postdata'};
                    611:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                    612:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                    613:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.233     www       614:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel  615:     $map=&Apache::lonnet::clutter($map);
1.269     albertel  616:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel  617:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel  618: 	$map =~ m|([^/]+)$|;
                    619: 	$name_of_sequence = $1;
1.63      albertel  620:     }
1.269     albertel  621:     my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'});
1.63      albertel  622:     if ($name_of_map =~ /^\s*$/) {
1.123     albertel  623: 	$ENV{'request.course.uri'} =~ m|([^/]+)$|;
                    624: 	$name_of_map = $1;
                    625:     }
1.335     albertel  626:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk  627: }
                    628: 
                    629: 
                    630: sub latex_corrections {
                    631: 
1.316     sakharuk  632:     my ($number_of_columns,$result,$selectionmade) = @_;
1.76      sakharuk  633: 
1.185     sakharuk  634: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76      sakharuk  635:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.316     sakharuk  636:     if ($selectionmade ne '1') {
                    637: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\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/;
                    638:     } else {
                    639: 	$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/;
                    640:     }
1.91      sakharuk  641:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                    642:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk  643: #-- LaTeX corrections     
                    644:     my $first_comment = index($result,'<!--',0);
                    645:     while ($first_comment != -1) {
                    646: 	my $end_comment = index($result,'-->',$first_comment);
                    647: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                    648: 	$first_comment = index($result,'<!--',$first_comment);
                    649:     }
                    650:     $result =~ s/^\s+$//gm; #remove empty lines
1.94      sakharuk  651:     $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
1.76      sakharuk  652:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                    653:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                    654:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk  655:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk  656:     #conversion of html characters to LaTeX equivalents
                    657:     if ($result =~ m/&(\w+|#\d+);/) {
                    658: 	$result = &character_chart($result);
                    659:     }
                    660:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                    661:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                    662: 
                    663:     return $result;
1.60      sakharuk  664: }
                    665: 
1.3       sakharuk  666: 
1.214     sakharuk  667: sub index_table {
                    668:     my $currentURL = shift;
                    669:     my $insex_string='';
                    670:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                    671:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                    672:     return $insex_string;
                    673: }
                    674: 
                    675: 
1.215     sakharuk  676: sub IndexCreation {
                    677:     my ($texversion,$currentURL)=@_;
                    678:     my @key_words=split(/,/,&index_table($currentURL));
                    679:     my $chunk='';
                    680:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                    681:     if ($st>0) {
                    682: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                    683: 	$chunk=substr($texversion,0,$st+1);
                    684: 	substr($texversion,0,$st+1)=' ';
                    685:     }
                    686:     foreach my $key_word (@key_words) {
                    687: 	if ($key_word=~/\S+/) {
                    688: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                    689: 	}
                    690:     }			
                    691:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                    692:     return $texversion;
                    693: }
                    694: 
1.242     sakharuk  695: sub print_latex_header {
                    696:     my $mode=shift;
                    697:     my $output='\documentclass[letterpaper]{article}';
1.359     www       698:     if (($mode eq 'batchmode') || (!$ENV{'request.role.adv'})) {
1.242     sakharuk  699: 	$output.='\batchmode';
                    700:     }
1.340     foxr      701:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
                    702: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
1.344     foxr      703: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
                    704: 	     '\usepackage{picins}\usepackage{calc}'."\n".
1.340     foxr      705: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
                    706: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
                    707: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
                    708: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
                    709: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    710: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
                    711: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
                    712: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
                    713: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
                    714: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
                    715: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
                    716: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    717: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1.242     sakharuk  718:     return $output;	     
                    719: }
                    720: 
                    721: sub path_to_problem {
1.328     albertel  722:     my ($urlp,$colwidth)=@_;
1.242     sakharuk  723:     my $newurlp = '';
1.328     albertel  724:     $colwidth=~s/\s*mm\s*$//;
                    725: #characters average about 2 mm in width
1.360     albertel  726:     if (length($urlp)*2 > $colwidth) {
1.328     albertel  727: 	my @elements = split '/',$urlp;
                    728: 	my $curlength=0;
                    729: 	foreach my $element (@elements) {
                    730: 	    if ($curlength+(length($element)*2) > $colwidth) {
                    731: 		$newurlp .=  '|\vskip -1 mm \noindent \verb|';
                    732: 		$curlength=0;
                    733: 	    } else {
                    734: 		$curlength+=length($element)*2;
1.242     sakharuk  735: 	    }
1.328     albertel  736: 	    $newurlp.='/'.$element;
1.242     sakharuk  737: 	}
1.253     sakharuk  738:     } else {
                    739: 	$newurlp=$urlp;
1.242     sakharuk  740:     }
                    741:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                    742: }
1.215     sakharuk  743: 
1.275     sakharuk  744: sub recalcto_mm {
                    745:     my $textwidth=shift;
                    746:     my $LaTeXwidth;
1.339     albertel  747:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk  748: 	$LaTeXwidth = $1*10;
1.339     albertel  749:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk  750: 	$LaTeXwidth = $1;
1.339     albertel  751:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk  752: 	$LaTeXwidth = $1*25.4;
                    753:     }
                    754:     $LaTeXwidth.=' mm';
                    755:     return $LaTeXwidth;
                    756: }
                    757: 
1.285     albertel  758: sub get_textwidth {
                    759:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel  760:     my $textwidth=$LaTeXwidth;
1.285     albertel  761:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                    762: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel  763: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                    764: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel  765:     }
1.286     albertel  766:     return $textwidth;
1.285     albertel  767: }
                    768: 
1.296     sakharuk  769: 
                    770: sub unsupported {
1.307     sakharuk  771:     my ($currentURL,$mode)=@_;
                    772:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk  773:     my $result.= &print_latex_header($mode);
1.301     sakharuk  774:     if ($currentURL=~/\/ext\//) {
1.296     sakharuk  775: 	$result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
                    776:     } else {
                    777: 	$result.=$currentURL;
                    778:     }
1.297     sakharuk  779:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk  780:     return $result;
                    781: }
                    782: 
                    783: 
1.363     foxr      784: #
                    785: #   Retrieve the hash of page breaks.
                    786: #
                    787: #  Inputs:
                    788: #    helper   - reference to helper object.
                    789: #  Outputs
                    790: #    A reference to a page break hash.
                    791: #
                    792: #
                    793: 
                    794: sub get_page_breaks  {
                    795:     my ($helper) = @_;
                    796:     my %page_breaks;
                    797:     
                    798:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                    799: 	$page_breaks{$break} = 1;
                    800:     }
                    801:     
1.364     albertel  802:     return %page_breaks;
1.363     foxr      803: }
                    804: 
1.177     sakharuk  805: sub output_data {
1.184     sakharuk  806:     my ($r,$helper,$rparmhash) = @_;
                    807:     my %parmhash = %$rparmhash;
1.361     albertel  808:     my $html=&Apache::lonxml::xmlbegin();
1.187     www       809:     my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
1.140     sakharuk  810:     $r->print(<<ENDPART);
1.361     albertel  811: $html
                    812: <head>
                    813: <script type="text/javascript" language="Javascript">
1.264     sakharuk  814:     var editbrowser;
                    815:     function openbrowser(formname,elementname,only,omit) {
                    816:         var url = '/res/?';
                    817:         if (editbrowser == null) {
                    818:             url += 'launch=1&';
                    819:         }
                    820:         url += 'catalogmode=interactive&';
                    821:         url += 'mode=parmset&';
                    822:         url += 'form=' + formname + '&';
                    823:         if (only != null) {
                    824:             url += 'only=' + only + '&';
                    825:         } 
                    826:         if (omit != null) {
                    827:             url += 'omit=' + omit + '&';
                    828:         }
                    829:         url += 'element=' + elementname + '';
                    830:         var title = 'Browser';
                    831:         var options = 'scrollbars=1,resizable=1,menubar=0';
                    832:         options += ',width=700,height=600';
                    833:         editbrowser = open(url,title,options,'1');
                    834:         editbrowser.focus();
                    835:     }
                    836: </script>
1.140     sakharuk  837: <title>LON-CAPA output for printing</title>
                    838: </head>
1.187     www       839: $bodytag
                    840: Please stand by while processing your print request, this may take some time ...
1.140     sakharuk  841: ENDPART
                    842: 
1.363     foxr      843: 
1.372   ! foxr      844: 
1.363     foxr      845:     # fetch the pagebreaks and store them in the course environment
                    846:     # The page breaks will be pulled into the hash %page_breaks which is
                    847:     # indexed by symb and contains 1's for each break.
                    848: 
1.366     foxr      849:     $ENV{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                    850:     $ENV{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr      851:     &Apache::loncommon::store_course_settings('print',
1.366     foxr      852: 					      {'pagebreaks'    => 'scalar',
                    853: 					       'lastprinttype' => 'scalar'});
1.363     foxr      854: 
1.364     albertel  855:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr      856: 
1.140     sakharuk  857:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                    858:     my ($result,$selectionmade) = ('','');
                    859:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                    860:     my @temporary_array=split /\|/,$format_from_helper;
                    861:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                    862:     if ($laystyle eq 'L') {
                    863: 	$laystyle='album';
                    864:     } else {
                    865: 	$laystyle='book';
                    866:     }
1.177     sakharuk  867:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.140     sakharuk  868:     my $assignment =  $ENV{'form.assignment'};
1.275     sakharuk  869:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk  870:     my @print_array=();
1.274     sakharuk  871:     my @student_names=();
1.360     albertel  872: 
                    873:     #  Common settings for the %form has:
                    874:     # In some cases these settings get overriddent by specific cases, but the
                    875:     # settings are common enough to make it worthwhile factoring them out
                    876:     # here.
                    877:     #
                    878:     my %form;
                    879:     $form{'grade_target'} = 'tex';
                    880:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.372   ! foxr      881: 
        !           882:     # If form.showallfoils is set, then request all foils be shown:
        !           883:     # privilege will be enforced both by not allowing the 
        !           884:     # check box selecting this option to be presnt unless it's ok,
        !           885:     # and by lonresponse's priv. check.
        !           886:     # The if is here because lonresponse.pm only cares that
        !           887:     # showallfoils is defined, not what the value is.
        !           888: 
        !           889:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
        !           890: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
        !           891:     }
        !           892: 
1.140     sakharuk  893:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk  894:       #-- single document - problem, page, html, xml, ...
1.343     albertel  895: 	my ($currentURL,$cleanURL);
1.162     sakharuk  896: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk  897:             #prints published resource
1.153     sakharuk  898: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel  899: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk  900: 	} else {
1.185     sakharuk  901:             #prints resource from the construction space
1.240     albertel  902: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk  903: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel  904: 	    $cleanURL=$currentURL;
1.143     sakharuk  905: 	}
1.140     sakharuk  906: 	$selectionmade = 1;
1.343     albertel  907: 	if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel  908: 	    my $rndseed=time;
1.242     sakharuk  909: 	    my $texversion='';
                    910: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    911: 		my %moreenv;
1.343     albertel  912: 		$moreenv{'request.filename'}=$cleanURL;
1.265     sakharuk  913: 		if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                    914: 		    $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
                    915: 		    my $dom = $ENV{'user.domain'};
                    916: 		    my $user = $ENV{'user.name'};
                    917: 		    my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
                    918: 		}
1.290     sakharuk  919:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk  920: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk  921: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk  922: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk  923: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                    924: 		if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.242     sakharuk  925: 		if ($helper->{'VARS'}->{'curseed'}) {
                    926: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                    927: 		}
                    928: 		$form{'rndseed'}=$rndseed;
                    929: 		&Apache::lonnet::appenv(%moreenv);
                    930: 		&Apache::lonnet::delenv('form.counter');
                    931: 		&Apache::lonxml::init_counter();
1.275     sakharuk  932: 		$texversion.=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  933: 		&Apache::lonnet::delenv('form.counter');
                    934: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel  935: 	    }
1.242     sakharuk  936: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    937: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr      938: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel  939: 		$form{'grade_target'}='answer';
1.167     albertel  940: 		$form{'answer_output_mode'}='tex';
1.169     albertel  941: 		$form{'rndseed'}=$rndseed;
1.166     albertel  942: 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  943: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    944: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    945: 		} else {
                    946: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk  947: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                    948: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1.343     albertel  949: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk  950: 		    } else {
                    951: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel  952: 			my $URLpath=$cleanURL;
1.245     sakharuk  953: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                    954: 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                    955: 		    }
1.242     sakharuk  956: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    957: 		}
1.163     sakharuk  958: 	    }
1.214     sakharuk  959: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk  960: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk  961: 	    }
1.219     sakharuk  962: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                    963: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                    964: 
                    965: 	    }
1.162     sakharuk  966: 	    $result .= $texversion;
                    967: 	    if ($currentURL=~m/\.page\s*$/) {
                    968: 		($result,$number_of_columns) = &page_cleanup($result);
                    969: 	    }
1.227     sakharuk  970:         } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
                    971:             #printing content of sequence from the construction space	
                    972: 	    my $flag_latex_header_remove = 'NO'; 
                    973: 	    my $rndseed=time;
1.231     albertel  974: 	    if ($helper->{'VARS'}->{'curseed'}) {
                    975: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                    976: 	    }
1.227     sakharuk  977: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                    978: 	    my $errtext=&Apache::lonratedt::mapread($currentURL);
                    979: 	    for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
                    980: 		$Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
                    981: 		my $urlp=$2;
                    982: 		if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.245     sakharuk  983: 		    my $texversion='';
                    984: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    985: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk  986: 			$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.245     sakharuk  987: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    988: 			$form{'rndseed'}=$rndseed;
                    989: 			$texversion=&Apache::lonnet::ssi($urlp,%form);
                    990: 		    }
1.249     sakharuk  991: 		    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    992: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                    993: 		       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1.227     sakharuk  994: 			$form{'grade_target'}='answer';
                    995: 			$form{'answer_output_mode'}='tex';
                    996: 			$form{'rndseed'}=$rndseed;
1.353     foxr      997: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.232     sakharuk  998:                         if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
1.227     sakharuk  999: 			my $answer=&Apache::lonnet::ssi($urlp,%form);
1.245     sakharuk 1000: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1001: 			    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1002: 			} else {
                   1003: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1004: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                   1005: 			    $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                   1006: 			    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1007: 			}
1.227     sakharuk 1008: 		    }
                   1009: 		    if ($flag_latex_header_remove ne 'NO') {
                   1010: 			$texversion = &latex_header_footer_remove($texversion);
                   1011: 		    } else {
                   1012: 			$texversion =~ s/\\end{document}//;
                   1013: 		    }
                   1014: 		    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1015: 			$texversion=&IndexCreation($texversion,$urlp);
                   1016: 		    }
1.232     sakharuk 1017: 		    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1.227     sakharuk 1018: 			$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1019: 		    }
                   1020: 		    $result.=$texversion;
                   1021: 		    $flag_latex_header_remove = 'YES';
                   1022: 		} elsif ($urlp=~/\.(sequence|page)$/) {
1.229     sakharuk 1023: 		    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1.227     sakharuk 1024: 		}  
                   1025: 	    }
1.228     sakharuk 1026: 	    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.227     sakharuk 1027: 	    $result .= '\end{document}';   
1.343     albertel 1028: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 1029: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 1030: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.258     sakharuk 1031: 		my $texversion=&Apache::lonnet::ssi($currentURL,%form);
                   1032: 		$result .= $texversion;
1.162     sakharuk 1033: 	} else {
1.307     sakharuk 1034: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1.162     sakharuk 1035: 	}
1.354     foxr     1036:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.142     sakharuk 1037:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     1038:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   1039: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.252     sakharuk 1040: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.141     sakharuk 1041:         #-- produce an output string
1.296     sakharuk 1042: 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
                   1043: 	    $selectionmade = 2;
                   1044: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                   1045: 	    $selectionmade = 3;
                   1046: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                   1047: 	    $selectionmade = 4;
1.354     foxr     1048: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   1049: 	    $selectionmade = 4;
1.296     sakharuk 1050: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   1051: 	    $selectionmade = 7;
                   1052: 	}
1.193     sakharuk 1053: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1054: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 1055: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1056: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1057: 	if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.141     sakharuk 1058: 	my $flag_latex_header_remove = 'NO';
                   1059: 	my $flag_page_in_sequence = 'NO';
                   1060: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 1061: 	my $prevassignment='';
1.270     sakharuk 1062: 	&Apache::lonnet::delenv('form.counter');
1.201     sakharuk 1063: 	&Apache::lonxml::init_counter();
1.141     sakharuk 1064: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     1065: 
                   1066: 	    # Note due to document structure, not allowed to put \newpage
                   1067: 	    # prior to the first resource
                   1068: 
1.351     foxr     1069: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     1070: 		if($i != 0) {
                   1071: 		    $result.="\\newpage\n";
                   1072: 		}
                   1073: 	    }
1.236     albertel 1074: 	    my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 1075: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 1076: 	    $form{'symb'}=$master_seq[$i];
1.236     albertel 1077: 	    my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
                   1078: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1.267     sakharuk 1079: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 1080: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 1081: 	    my $texversion='';
1.296     sakharuk 1082: 	    if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.297     sakharuk 1083: 		$texversion.=&Apache::lonnet::ssi($urlp,%form);
1.296     sakharuk 1084: 		if ($urlp=~/\.page$/) {
                   1085: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   1086: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   1087: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   1088: 		    $flag_page_in_sequence = 'YES';
                   1089: 		} 
                   1090: 		my $lonidsdir=$r->dir_config('lonIDsDir');
                   1091: 		my $envfile=$ENV{'user.environment'};
                   1092: 		$envfile=~/\/([^\/]+)\.id$/;
                   1093: 		$envfile=$1;
                   1094: 		&Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                   1095: 		my $current_counter=$ENV{'form.counter'};
                   1096: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1097: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1098: 		    $form{'grade_target'}='answer';
                   1099: 		    $form{'answer_output_mode'}='tex';
                   1100: 		    my $answer=&Apache::lonnet::ssi($urlp,%form);
                   1101: 		    &Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1102: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1103: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 1104: 		    } else {
1.307     sakharuk 1105: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 1106: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1107: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
                   1108: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1109: 			    $texversion.='\vskip 1 mm '.$answer;
                   1110: 			} else {
                   1111: 			    $texversion='';
                   1112: 			}
1.249     sakharuk 1113: 		    }
1.246     sakharuk 1114: 		}
1.296     sakharuk 1115: 		if ($flag_latex_header_remove ne 'NO') {
                   1116: 		    $texversion = &latex_header_footer_remove($texversion);
                   1117: 		} else {
                   1118: 		    $texversion =~ s/\\end{document}//;
                   1119: 		}
                   1120: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1121: 		    $texversion=&IndexCreation($texversion,$urlp);
                   1122: 		}
                   1123: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   1124: 		    my $name = &get_name();
                   1125: 		    my $courseidinfo = &get_course();
                   1126: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1127: 		    $prevassignment=$assignment;
1.334     albertel 1128: 		    $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1.296     sakharuk 1129: 		}
                   1130: 		$result .= $texversion;
                   1131: 		$flag_latex_header_remove = 'YES';   
1.301     sakharuk 1132: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
                   1133: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1134: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
                   1135: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
                   1136: 		if ($flag_latex_header_remove ne 'NO') {
                   1137: 		    $texversion = &latex_header_footer_remove($texversion);
                   1138: 		} else {
                   1139: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   1140: 		}
                   1141: 		$result .= $texversion;
                   1142: 		$flag_latex_header_remove = 'YES'; 
1.141     sakharuk 1143: 	    } else {
1.307     sakharuk 1144: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1.297     sakharuk 1145: 		if ($flag_latex_header_remove ne 'NO') {
                   1146: 		    $texversion = &latex_header_footer_remove($texversion);
                   1147: 		} else {
                   1148: 		    $texversion =~ s/\\end{document}//;
                   1149: 		}
                   1150: 		$result .= $texversion;
                   1151: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 1152: 	    }	    
1.331     albertel 1153: 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
1.141     sakharuk 1154: 	}
                   1155: 	&Apache::lonnet::delenv('form.counter');
1.344     foxr     1156: 	if ($flag_page_in_sequence eq 'YES') {
                   1157: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   1158: 	}	
1.141     sakharuk 1159: 	$result .= '\end{document}';
1.284     albertel 1160:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
                   1161: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     1162: 
                   1163: 
1.150     sakharuk 1164:      #-- prints assignments for whole class or for selected students  
1.284     albertel 1165: 	 my $type;
1.254     sakharuk 1166: 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
                   1167: 	     $selectionmade=5;
1.284     albertel 1168: 	     $type='problems';
1.254     sakharuk 1169: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   1170: 	     $selectionmade=8;
1.284     albertel 1171: 	     $type='resources';
1.254     sakharuk 1172: 	 }
1.150     sakharuk 1173: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     1174: 	 #   The normal sort order is by section then by students within the
                   1175: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   1176: 	 #   to override this and output the students by name.
                   1177: 	 #    Each element of the students array is of the form:
                   1178: 	 #       username:domain:section:last, first:status
                   1179: 	 #    
                   1180: 	 #   
                   1181: 	 if ($helper->{'VARS'}->{'student_sort'}    eq 1) {
                   1182: 	     @students = sort compare_names  @students;
                   1183: 	 }
1.278     albertel 1184:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   1185: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   1186: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   1187: 	 }
1.150     sakharuk 1188: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     1189: 
1.150     sakharuk 1190: 	 #loop over students
                   1191: 	 my $flag_latex_header_remove = 'NO'; 
                   1192: 	 my %moreenv;
1.330     sakharuk 1193:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 1194: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 1195: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.353     foxr     1196: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     1197: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.309     sakharuk 1198: 	 if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1.318     albertel 1199: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 1200: 	 my $student_counter=-1;
1.150     sakharuk 1201: 	 foreach my $person (@students) {
1.350     foxr     1202: 
1.311     sakharuk 1203:              my $duefile="/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
                   1204: 	     if (-e $duefile) {
                   1205: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   1206: 		 print $temp_file "1969\n";
                   1207: 	     }
1.272     sakharuk 1208: 	     $student_counter++;
1.284     albertel 1209: 	     my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1.353     foxr     1210: 	     my ($output,$fullname)=&print_resources($r,$helper,
                   1211: 						     $person,$type,
                   1212: 						     \%moreenv,\@master_seq,
1.360     albertel 1213: 						     $flag_latex_header_remove,
                   1214: 						     $LaTeXwidth);
1.284     albertel 1215: 	     $print_array[$i].=$output;
                   1216: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   1217: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   1218: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 1219: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1220: 	 }
                   1221: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1222: 	 $result .= $print_array[0].'  \end{document}';
                   1223:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   1224: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.292     albertel 1225: 	 my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                   1226: 	 my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1.288     albertel 1227: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   1228: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 1229: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.288     albertel 1230: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     1231: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.288     albertel 1232: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 1233: 	 my @allcodes;
                   1234: 	 if ($old_name) {
                   1235: 	     my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
                   1236: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 1237: 	     $num_todo=scalar(@allcodes);
1.292     albertel 1238: 	 } else {
                   1239: 	     my %allcodes;
1.299     albertel 1240: 	     srand($seed);
1.292     albertel 1241: 	     for (my $i=0;$i<$num_todo;$i++) {
                   1242: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
                   1243: 	     }
                   1244: 	     if ($code_name) {
                   1245: 		 &Apache::lonnet::put('CODEs',
                   1246: 				      {$code_name =>join(',',keys(%allcodes))},
                   1247: 				      $cdom,$cnum);
                   1248: 	     }
                   1249: 	     @allcodes=keys(%allcodes);
                   1250: 	 }
1.336     albertel 1251: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   1252: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
                   1253: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   1254: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   1255: 	     $number_per_page=$num_todo;
                   1256: 	 }
                   1257: 	 my $flag_latex_header_remove = 'NO'; 
                   1258: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 1259: 	 my $count=0;
1.292     albertel 1260: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 1261: 	     my $file_num=int($count/$number_per_page);
1.292     albertel 1262: 	     $moreenv{'CODE'}=&num_to_letters($code);
1.288     albertel 1263: 	     my ($output,$fullname)=
                   1264: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 1265: 				  \@master_seq,$flag_latex_header_remove,
                   1266: 				  $LaTeXwidth);
1.295     albertel 1267: 	     $print_array[$file_num].=$output;
1.288     albertel 1268: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   1269: 				       &mt('last assignment').' '.$fullname);
                   1270: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 1271: 	     $count++;
1.331     albertel 1272: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 1273: 	 }
                   1274: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1275: 	 $result .= $print_array[0].'  \end{document}';
                   1276:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 1277:     #prints selected problems from the subdirectory 
                   1278: 	$selectionmade = 6;
                   1279:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 1280: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 1281: 	my $flag_latex_header_remove = 'NO'; 
                   1282: 	my $rndseed=time;
1.230     albertel 1283: 	if ($helper->{'VARS'}->{'curseed'}) {
                   1284: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1285: 	}
1.151     sakharuk 1286: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.152     sakharuk 1287: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 1288: 	    $urlp=~s|//|/|;
1.152     sakharuk 1289: 	    if ($urlp=~/\//) {
1.353     foxr     1290: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 1291: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 1292: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   1293: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   1294: 		} else {
1.302     sakharuk 1295: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 1296: 		}
1.166     albertel 1297: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1298: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 1299: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.174     sakharuk 1300: 		    $form{'grade_target'}='answer';
                   1301: 		    $form{'answer_output_mode'}='tex';
1.203     sakharuk 1302: 		    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.174     sakharuk 1303: 		    $form{'rndseed'}=$rndseed;
                   1304: 		    my $answer=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1305: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1306: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1307: 		    } else {
1.253     sakharuk 1308: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1309: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1310: 			    $texversion.='\vskip 0 mm \noindent ';
                   1311: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1312: 			} else {
                   1313: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1314: 			    my $URLpath=$urlp;
                   1315: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1316: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1317: 			}
                   1318: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 1319: 		    }
1.174     sakharuk 1320: 		}
1.151     sakharuk 1321:                 #this chunck is responsible for printing the path to problem
1.253     sakharuk 1322: 		my $newurlp=$urlp;
                   1323: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   1324: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 1325: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 1326: 		if ($flag_latex_header_remove ne 'NO') {
                   1327: 		    $texversion = &latex_header_footer_remove($texversion);
                   1328: 		} else {
                   1329: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 1330: 		}
                   1331: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1332: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 1333: 		}
1.219     sakharuk 1334: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1335: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1336: 		    
                   1337: 		}
1.152     sakharuk 1338: 		$result .= $texversion;
                   1339: 	    }
                   1340: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 1341: 	}
1.175     sakharuk 1342: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 1343: 	$result .= '\end{document}';      	
1.140     sakharuk 1344:     }
                   1345: #-------------------------------------------------------- corrections for the different page formats
1.312     sakharuk 1346:     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1.316     sakharuk 1347:     $result = &latex_corrections($number_of_columns,$result,$selectionmade);
                   1348:     for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1.190     sakharuk 1349:     #changes page's parameters for the one column output 
1.195     sakharuk 1350:     if ($numberofcolumns == 1) {
1.339     albertel 1351: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   1352: 	$result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   1353: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1354: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.195     sakharuk 1355:     }
1.367     foxr     1356: 
1.140     sakharuk 1357: #-- writing .tex file in prtspool 
                   1358:     my $temp_file;
1.277     albertel 1359:     my $identifier = &Apache::loncommon::get_cgi_id();
                   1360:     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
                   1361:     if (!($#print_array>0)) { 
                   1362: 	unless ($temp_file = Apache::File->new('>'.$filename)) {
                   1363: 	    $r->log_error("Couldn't open $filename for output $!");
                   1364: 	    return SERVER_ERROR; 
                   1365: 	}
                   1366: 	print $temp_file $result;
                   1367: 	my $begin=index($result,'\begin{document}',0);
                   1368: 	my $inc=substr($result,0,$begin+16);
                   1369:     } else {
                   1370: 	my $begin=index($result,'\begin{document}',0);
                   1371: 	my $inc=substr($result,0,$begin+16);
                   1372:         for (my $i=0;$i<=$#print_array;$i++) {
                   1373: 	    if ($i==0) {
                   1374: 		$print_array[$i]=$result;
                   1375: 	    } else {
                   1376: 		my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   1377: 		substr($print_array[$i],0,$anobegin)='';
                   1378: 		$print_array[$i]=$inc.$print_array[$i].'\end{document}';
                   1379: 	    }
1.272     sakharuk 1380: 	    my $temp_file;
1.273     sakharuk 1381: 	    my $newfilename=$filename;
1.277     albertel 1382: 	    my $num=$i+1;
                   1383: 	    $newfilename =~s/\.tex$/_$num\.tex/; 
1.272     sakharuk 1384: 	    unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   1385: 		$r->log_error("Couldn't open $newfilename for output $!");
                   1386: 		return SERVER_ERROR; 
                   1387: 	    }
                   1388: 	    print $temp_file $print_array[$i];
                   1389: 	}
                   1390:     }
1.274     sakharuk 1391:     my $student_names='';
                   1392:     if ($#print_array>0) {
                   1393: 	for (my $i=0;$i<=$#print_array;$i++) {
                   1394: 	    $student_names.=$student_names[$i].'_ENDPERSON_';
                   1395: 	}
1.277     albertel 1396:     } else {
1.278     albertel 1397: 	if ($#student_names>-1) {
                   1398: 	    $student_names=$student_names[0].'_ENDPERSON_';
                   1399: 	} else {
                   1400: 	    my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
                   1401: 	    $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
                   1402: 				$ENV{'request.course.sec'},$fullname).
                   1403: 				    '_ENDPERSON_'.'_END_';
                   1404: 	}
1.274     sakharuk 1405:     }
                   1406: 
1.276     sakharuk 1407:     my $URLback=''; #link to original document
                   1408:     if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1409: 	#prints published resource
1.342     albertel 1410: 	$URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1.276     sakharuk 1411:     } else {
                   1412: 	#prints resource from the construction space
                   1413: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 1414: 	if ($URLback=~/([^?]+)/) {
                   1415: 	    $URLback=$1;
                   1416: 	    $URLback=~s|^/~|/priv/|;
                   1417: 	}
1.276     sakharuk 1418:     }
1.256     sakharuk 1419: 
1.257     sakharuk 1420:     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                   1421:                             'cgi.'.$identifier.'.layout'  => $laystyle,
                   1422:                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
1.303     sakharuk 1423: 			    'cgi.'.$identifier.'.paper'  => $papersize,
1.257     sakharuk 1424:                             'cgi.'.$identifier.'.selection' => $selectionmade,
                   1425: 			    'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   1426: 			    'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1.272     sakharuk 1427: 			    'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1.274     sakharuk 1428:                             'cgi.'.$identifier.'numberoffiles' => $#print_array,
1.276     sakharuk 1429:                             'cgi.'.$identifier.'studentnames' => $student_names,
                   1430:                             'cgi.'.$identifier.'backref' => $URLback,);
1.256     sakharuk 1431:  
1.140     sakharuk 1432: $r->print(<<FINALEND);
1.317     albertel 1433: <br />
1.288     albertel 1434: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.317     albertel 1435: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1.140     sakharuk 1436: </body>
                   1437: </html>
                   1438: FINALEND
                   1439: }
                   1440: 
1.288     albertel 1441: sub num_to_letters {
                   1442:     my ($num) = @_;
                   1443:     my @nums= split('',$num);
                   1444:     my @num_to_let=('A'..'Z');
                   1445:     my $word;
                   1446:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                   1447:     return $word;
                   1448: }
                   1449: 
                   1450: sub get_CODE {
                   1451:     my ($all_codes,$num,$seed,$size)=@_;
                   1452:     my $max='1'.'0'x$size;
                   1453:     my $newcode;
                   1454:     while(1) {
1.293     albertel 1455: 	$newcode=sprintf("%06d",int(rand($max)));
1.288     albertel 1456: 	if (!exists($$all_codes{$newcode})) {
                   1457: 	    $$all_codes{$newcode}=1;
                   1458: 	    return &num_to_letters($newcode);
                   1459: 	}
                   1460:     }
                   1461: }
1.140     sakharuk 1462: 
1.284     albertel 1463: sub print_resources {
1.360     albertel 1464:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
                   1465: 	$LaTeXwidth)=@_;
1.284     albertel 1466:     my $current_output = ''; 
                   1467:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   1468:     my $fullname = &get_name($username,$userdomain);
1.323     sakharuk 1469:     my $namepostfix;
1.288     albertel 1470:     if ($person =~ 'anon') {
1.323     sakharuk 1471: 	$namepostfix="\\\\Name: ";
1.288     albertel 1472: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   1473:     }
1.350     foxr     1474:     my $i           = 0;
1.284     albertel 1475:     #goes through all resources, checks if they are available for 
                   1476:     #current student, and produces output   
                   1477:     &Apache::lonnet::delenv('form.counter');
                   1478:     &Apache::lonxml::init_counter();
1.363     foxr     1479: 
1.364     albertel 1480:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1481: 
1.284     albertel 1482:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     1483: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     1484: 	    if($i != 0) {
                   1485: 		$current_output.= "\\newpage\n";
                   1486: 	    }
                   1487: 	}
                   1488: 	$i++;
1.284     albertel 1489: 	if ( !($type eq 'problems' && 
                   1490: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   1491: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   1492: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.305     sakharuk 1493: 		if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
                   1494: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
                   1495: 		    my $lonidsdir=$r->dir_config('lonIDsDir');
                   1496: 		    my $envfile=$ENV{'user.environment'};
                   1497: 		    $envfile=~/\/([^\/]+)\.id$/;
                   1498: 		    $envfile=$1;
                   1499: 		    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                   1500: 		    my $current_counter=$ENV{'form.counter'};
                   1501: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1502: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.332     albertel 1503: 			$moreenv->{'answer_output_mode'}='tex';
                   1504: 			$moreenv->{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1505: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%{$moreenv});
1.305     sakharuk 1506: 			&Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1507: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1508: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   1509: 			} else {
                   1510: 			    $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1511: 			    $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
                   1512: 			    $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
                   1513: 			    $rendered.='\vskip 1 mm '.$ansrendered;
                   1514: 			}
                   1515: 		    }
                   1516: 		    if ($remove_latex_header eq 'YES') {
                   1517: 			$rendered = &latex_header_footer_remove($rendered);
                   1518: 		    } else {
                   1519: 			$rendered =~ s/\\end{document}//;
                   1520: 		    }
                   1521: 		    $current_output .= $rendered;		    
                   1522: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
                   1523: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
                   1524: 		    my $lonidsdir=$r->dir_config('lonIDsDir');
                   1525: 		    my $envfile=$ENV{'user.environment'};
                   1526: 		    $envfile=~/\/([^\/]+)\.id$/;
                   1527: 		    $envfile=$1;
                   1528: 		    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                   1529: 		    my $current_counter=$ENV{'form.counter'};
                   1530: 		    if ($remove_latex_header eq 'YES') {
                   1531: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 1532: 		    } else {
1.305     sakharuk 1533: 			$rendered =~ s/\\end{document}//;
1.284     albertel 1534: 		    }
1.305     sakharuk 1535: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.284     albertel 1536: 		} else {
1.307     sakharuk 1537: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1.305     sakharuk 1538: 		    if ($remove_latex_header ne 'NO') {
                   1539: 			$rendered = &latex_header_footer_remove($rendered);
                   1540: 		    } else {
                   1541: 			$rendered =~ s/\\end{document}//;
                   1542: 		    }
                   1543: 		    $current_output .= $rendered;
1.284     albertel 1544: 		}
                   1545: 	    }
                   1546: 	    $remove_latex_header = 'YES';
                   1547: 	}
1.331     albertel 1548: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1549:     }
                   1550:     my $courseidinfo = &get_course();
                   1551:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1552:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
                   1553:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
                   1554:     if ($current_output=~/\\documentclass/) {
1.334     albertel 1555: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1.284     albertel 1556:     } else {
                   1557: 	my $blankpages = '';
                   1558: 	for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1.334     albertel 1559: 	$current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}'.$namepostfix.'}} \vskip 5 mm '.$current_output;
1.284     albertel 1560:     }
                   1561:     return ($current_output,$fullname);
                   1562: 
                   1563: }
1.140     sakharuk 1564: 
1.3       sakharuk 1565: sub handler {
                   1566: 
                   1567:     my $r = shift;
1.131     bowersj2 1568:     my $helper;
1.114     bowersj2 1569: 
1.150     sakharuk 1570: #    my $loaderror=&Apache::lonnet::overloaderror($r);
                   1571: #    if ($loaderror) { return $loaderror; }
                   1572: #    $loaderror=
                   1573: #       &Apache::lonnet::overloaderror($r,
                   1574: #         $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
                   1575: #    if ($loaderror) { return $loaderror; }
1.67      www      1576: 
1.177     sakharuk 1577:     my $result = printHelper($r);
                   1578:     if (!ref($result)) {
                   1579: 	return $result;
1.60      sakharuk 1580:     }
1.177     sakharuk 1581:     $helper = $result;
                   1582:    
                   1583: #	my $key; 
                   1584: #	foreach $key (keys %{$helper->{'VARS'}}) {
                   1585: #	    $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
                   1586: #	}
1.264     sakharuk 1587: #	foreach $key (keys %ENV) {
                   1588: #	    $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
                   1589: #	}
1.177     sakharuk 1590: #	return OK;
1.184     sakharuk 1591: 
                   1592:     my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1.353     foxr     1593:  
1.207     sakharuk 1594: #	my $key; 
1.200     sakharuk 1595: #	foreach $key (keys %parmhash) {
                   1596: #	    $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
                   1597: #	}
1.353     foxr     1598: #
1.350     foxr     1599: 
                   1600: 
1.367     foxr     1601:     #  If a figure conversion queue file exists for this user.domain
                   1602:     # we delete it since it can only be bad (if it were good, printout.pl
                   1603:     # would have deleted it the last time around.
                   1604: 
                   1605:     my $conversion_queuefile = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
                   1606:     if(-e $conversion_queuefile) {
                   1607: 	unlink $conversion_queuefile;
                   1608:     }
1.184     sakharuk 1609:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 1610:     return OK;
1.60      sakharuk 1611: } 
1.2       sakharuk 1612: 
1.131     bowersj2 1613: use Apache::lonhelper;
1.130     sakharuk 1614: 
1.223     bowersj2 1615: sub addMessage {
                   1616:     my $text = shift;
                   1617:     my $paramHash = Apache::lonhelper::getParamHash();
                   1618:     $paramHash->{MESSAGE_TEXT} = $text;
                   1619:     Apache::lonhelper::message->new();
                   1620: }
                   1621: 
1.238     bowersj2 1622: use Data::Dumper;
                   1623: 
1.131     bowersj2 1624: sub printHelper {
1.115     bowersj2 1625:     my $r = shift;
                   1626: 
                   1627:     if ($r->header_only) {
1.131     bowersj2 1628:         if ($ENV{'browser.mathml'}) {
1.241     www      1629:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 1630:         } else {
1.241     www      1631:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 1632:         }
                   1633:         $r->send_http_header;
                   1634:         return OK;
1.115     bowersj2 1635:     }
                   1636: 
1.131     bowersj2 1637:     # Send header, nocache
1.115     bowersj2 1638:     if ($ENV{'browser.mathml'}) {
1.241     www      1639:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 1640:     } else {
1.241     www      1641:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 1642:     }
                   1643:     &Apache::loncommon::no_cache($r);
                   1644:     $r->send_http_header;
                   1645:     $r->rflush();
                   1646: 
1.131     bowersj2 1647:     # Unfortunately, this helper is so complicated we have to
                   1648:     # write it by hand
                   1649: 
                   1650:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   1651:     
1.176     bowersj2 1652:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 1653:     $helper->declareVar('symb');
1.156     bowersj2 1654:     $helper->declareVar('postdata');    
1.290     sakharuk 1655:     $helper->declareVar('curseed'); 
                   1656:     $helper->declareVar('probstatus');   
1.156     bowersj2 1657:     $helper->declareVar('filename');
                   1658:     $helper->declareVar('construction');
1.178     sakharuk 1659:     $helper->declareVar('assignment');
1.262     sakharuk 1660:     $helper->declareVar('style_file');
1.340     foxr     1661:     $helper->declareVar('student_sort');
1.363     foxr     1662:     $helper->declareVar('FINISHPAGE');
1.366     foxr     1663:     $helper->declareVar('PRINT_TYPE');
1.372   ! foxr     1664:     $helper->declareVar("showallfoils");
1.363     foxr     1665: 
                   1666:     #  The page breaks can get loaded initially from the course environment:
1.366     foxr     1667: 
                   1668:     if((!defined($ENV{"form.CURRENT_STATE"}))  ||
                   1669:        ($ENV{'form.CURRENT_STATE'} == "START")) {
                   1670: 	$helper->{VARS}->{FINISHPAGE} = ""; # In case they did a back e.g.
                   1671:     }
                   1672: 
                   1673: 
1.363     foxr     1674:     
                   1675:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     1676: 						{'pagebreaks'  => 'scalar',
                   1677: 					         'lastprinttype' => 'scalar'});
1.363     foxr     1678: 
1.366     foxr     1679:     
                   1680:     if("$helper->{VARS}->{PRINT_TYPE}" eq "$ENV{'form.lastprinttype'}") {
                   1681: 	$helper->{VARS}->{FINISHPAGE} = $ENV{'form.pagebreaks'};
                   1682:     }
                   1683:     
1.131     bowersj2 1684:     
                   1685:     # This will persistently load in the data we want from the
                   1686:     # very first screen.
1.156     bowersj2 1687:     # Detect whether we're coming from construction space
1.208     www      1688:     if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 1689:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 1690:         $helper->{VARS}->{'construction'} = 1;
                   1691:     } else {
                   1692:         if ($ENV{'form.postdata'}) {
                   1693:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
                   1694:         }
                   1695:         if ($ENV{'form.symb'}) {
                   1696:             $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1697:         }
                   1698:         if ($ENV{'form.url'}) {
                   1699:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   1700:         }
1.157     bowersj2 1701:     }
1.156     bowersj2 1702: 
1.146     bowersj2 1703:     if ($ENV{'form.symb'}) {
                   1704:         $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1705:     }
                   1706:     if ($ENV{'form.url'}) {
1.140     sakharuk 1707:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 1708: 
1.140     sakharuk 1709:     }
1.343     albertel 1710:     $helper->{VARS}->{'symb'}=
                   1711: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 1712:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 1713:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140     sakharuk 1714: 
1.156     bowersj2 1715:     
1.146     bowersj2 1716:     # Extract map
                   1717:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 1718:     my ($map, $id, $url);
                   1719:     my $subdir;
                   1720: 
                   1721:     # Get the resource name from construction space
                   1722:     if ($helper->{VARS}->{'construction'}) {
                   1723:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   1724:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   1725:         $subdir = substr($helper->{VARS}->{'filename'},
                   1726:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
                   1727:     } else {
1.233     www      1728:         ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.343     albertel 1729:         $helper->{VARS}->{'postdata'} = 
                   1730: 	    &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1.146     bowersj2 1731: 
1.156     bowersj2 1732:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 1733:             my $postdata = $helper->{VARS}->{'postdata'};
                   1734:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 1735:         }
                   1736:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 1737:     }
1.230     albertel 1738:     if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
                   1739: 	$helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
                   1740:     }
1.290     sakharuk 1741:     if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) {
                   1742: 	$helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'};
                   1743:     }
1.115     bowersj2 1744: 
1.192     bowersj2 1745:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1.235     bowersj2 1746:     my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
                   1747: 			   $ENV{'request.role'}=~m/^in\./ or
                   1748: 			   $ENV{'request.role'}=~m/^ta\./);
1.192     bowersj2 1749: 
1.131     bowersj2 1750:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 1751: 
1.131     bowersj2 1752:     # "Delete everything after the last slash."
1.119     bowersj2 1753:     $subdir =~ s|/[^/]+$||;
1.162     sakharuk 1754:     if (not $helper->{VARS}->{'construction'}) {
1.302     sakharuk 1755: 	$subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1.153     sakharuk 1756:     }
1.189     bowersj2 1757:     # "Remove all duplicate slashes."
                   1758:     $subdir =~ s|/+|/|g;
1.119     bowersj2 1759: 
1.131     bowersj2 1760:     # What can be printed is a very dynamic decision based on
                   1761:     # lots of factors. So we need to dynamically build this list.
                   1762:     # To prevent security leaks, states are only added to the wizard
                   1763:     # if they can be reached, which ensures manipulating the form input
                   1764:     # won't allow anyone to reach states they shouldn't have permission
                   1765:     # to reach.
                   1766: 
                   1767:     # printChoices is tracking the kind of printing the user can
                   1768:     # do, and will be used in a choices construction later.
                   1769:     # In the meantime we will be adding states and elements to
                   1770:     # the helper by hand.
                   1771:     my $printChoices = [];
                   1772:     my $paramHash;
1.130     sakharuk 1773: 
1.240     albertel 1774:     if ($resourceTitle) {
1.291     sakharuk 1775:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 1776:     }
                   1777: 
1.238     bowersj2 1778:     # Useful filter strings
1.287     albertel 1779:     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1.238     bowersj2 1780:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.287     albertel 1781:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
                   1782:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 1783:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   1784:     my $isMap = '$res->is_map()';
1.342     albertel 1785:     my $symbFilter = '$res->shown_symb()';
                   1786:     my $urlValue = '$res->link()';
1.238     bowersj2 1787: 
                   1788:     $helper->declareVar('SEQUENCE');
                   1789: 
                   1790:     # Useful for debugging: Dump the help vars
1.366     foxr     1791: #    $r->print(Dumper($helper->{VARS}));
                   1792: #    $r->print($map);
1.238     bowersj2 1793: 
1.131     bowersj2 1794:     # If we're in a sequence...
1.235     bowersj2 1795:     if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.350     foxr     1796: 
1.243     bowersj2 1797: 	$helper->{VARS}->{'postdata'} &&
                   1798: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 1799:         # Allow problems from sequence
1.291     sakharuk 1800:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 1801:         # Allow all resources from sequence
1.291     sakharuk 1802:         push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130     sakharuk 1803: 
1.131     bowersj2 1804:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 1805:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
                   1806:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1807:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1808:               closeallpages="1">
1.144     bowersj2 1809:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1810:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 1811:       <mapurl>$map</mapurl>
1.238     bowersj2 1812:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1813:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 1814:       </resource>
                   1815:     </state>
                   1816: 
1.155     sakharuk 1817:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
                   1818:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1819:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1820:               closeallpages="1">
1.144     bowersj2 1821:       <nextstate>PAGESIZE</nextstate>
1.145     bowersj2 1822:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 1823:       <mapurl>$map</mapurl>
1.238     bowersj2 1824:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1825:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 1826:       </resource>
                   1827:     </state>
                   1828: HELPERFRAGMENT
1.121     bowersj2 1829: 
1.326     sakharuk 1830: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 1831:     }
                   1832: 
1.354     foxr     1833:     # If the user is privileged, allow them to print all 
                   1834:     # problems and resources  in the entier course, optionally for selected students
1.306     sakharuk 1835:     if ($userPriviledged && 
                   1836:         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.350     foxr     1837: 
1.254     sakharuk 1838:         push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1.354     foxr     1839: 	push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
1.284     albertel 1840:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 1841:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
                   1842:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1843:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   1844: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 1845:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1846:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 1847:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 1848:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1849:       <option text='Newpage' variable='FINISHPAGE' />
1.284     albertel 1850:     </resource>
                   1851:   </state>
1.354     foxr     1852:   <state name="ALL_RESOURCES" title="Select Resource(s) to print">
                   1853:     <message>(Mark them then click "next" button) <br /> </message>
                   1854:     <resource variable="RESOURCES" toponly='0' multichoice='1'
                   1855:               suppressEmptySequences='0' addstatus='1' closeallpages='1'>
                   1856:       <nextstate>PAGESIZE</nextstate>
                   1857:       <filterfunc>return $isNotMap; </filterfunc>
                   1858:       <valuefunc>return $symbFilter;</valuefunc>
                   1859:       <option text='NewPage' variable='FINISHPAGE' />
                   1860:     </resource>
                   1861:   </state>
1.284     albertel 1862: ALL_PROBLEMS
1.132     bowersj2 1863: 
1.284     albertel 1864: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 1865: 	    push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
                   1866: 	    push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 1867: 	}
                   1868: 	my $resource_selector=<<RESOURCE_SELECTOR;
                   1869:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 1870:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   1871:               closeallpages="1">
1.254     sakharuk 1872:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 1873:       <mapurl>$map</mapurl>
1.254     sakharuk 1874:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1875:       <option text='New Page' variable='FINISHPAGE' />
1.147     bowersj2 1876:       </resource>
1.155     sakharuk 1877:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 1878:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 1879:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1880:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1881:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1882:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 1883:     </choices>
                   1884:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   1885:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   1886: RESOURCE_SELECTOR
                   1887: 
                   1888:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   1889:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1.370     foxr     1890:       <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
1.352     foxr     1891:       <message><b>Select sort order</b> </message>
1.340     foxr     1892:     <choices variable='student_sort'>
                   1893:       <choice computer='0'>Sort by section then student</choice>
                   1894:       <choice computer='1'>Sort by students across sections.</choice>
                   1895:     </choices>
1.284     albertel 1896:     $resource_selector
                   1897:   </state>
1.131     bowersj2 1898: CHOOSE_STUDENTS
1.292     albertel 1899: 
                   1900: 	my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                   1901: 	my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
                   1902:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   1903: 	my $namechoice='<choice></choice>';
1.337     albertel 1904: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 1905: 	    if ($name =~ /^error: 2 /) { next; }
1.292     albertel 1906: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   1907: 	}
1.284     albertel 1908:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
                   1909:   <state name="CHOOSE_ANON1" title="Select Students and Resources">
1.288     albertel 1910:     <nextstate>PAGESIZE</nextstate>
1.362     albertel 1911:     <message><hr width='33%' /></message>
                   1912:     <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
                   1913:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   1914:        <validator>
                   1915: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                   1916: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
                   1917: 	    return "You need to specify the number of assignments to print";
                   1918: 	}
                   1919: 	return undef;
                   1920:        </validator>
                   1921:     </string>
                   1922:     <message></td></tr><tr><td></message>
                   1923:     <message><b>Names to store the CODEs under for later:</b></message>
                   1924:     <message></td><td></message>
1.288     albertel 1925:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1.362     albertel 1926:     <message></td></tr></table></message>
1.292     albertel 1927:     <message><hr width='33%' /></message>
                   1928:     <message><b>Reprint a set of saved CODEs:</b></message>
                   1929:     <dropdown variable="REUSE_OLD_CODES">
                   1930:         $namechoice
                   1931:     </dropdown>
1.284     albertel 1932:     <message><hr width='33%' /></message>
                   1933:     $resource_selector
                   1934:   </state>
                   1935: CHOOSE_ANON1
1.254     sakharuk 1936: 
1.272     sakharuk 1937: 
1.254     sakharuk 1938: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 1939: 	    push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
                   1940: 	    push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'resources_for_anon', 'CHOOSE_ANON2'];
1.254     sakharuk 1941: 	}
1.284     albertel 1942: 	    
                   1943: 
                   1944: 	$resource_selector=<<RESOURCE_SELECTOR;
1.254     sakharuk 1945:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 1946:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   1947:               closeallpages="1">
1.254     sakharuk 1948:       <filterfunc>return $isNotMap;</filterfunc>
                   1949:       <mapurl>$map</mapurl>
                   1950:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1951:       <option text='Newpage' variable='FINISHPAGE' />
1.254     sakharuk 1952:       </resource>
                   1953:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   1954:     <choices variable="EMPTY_PAGES">
                   1955:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1956:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1957:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1958:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 1959:     </choices>
                   1960:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   1961:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   1962: RESOURCE_SELECTOR
                   1963: 
                   1964: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   1965:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.370     foxr     1966:     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
1.340     foxr     1967:     <choices variable='student_sort'>
                   1968:       <choice computer='0'>Sort by section then student</choice>
                   1969:       <choice computer='1'>Sort by students across sections.</choice>
                   1970:     </choices>
                   1971: 
1.284     albertel 1972:     $resource_selector
1.254     sakharuk 1973:     </state>
                   1974: CHOOSE_STUDENTS1
                   1975: 
1.284     albertel 1976: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
                   1977:   <state name="CHOOSE_ANON2" title="Select Students and Resources">
1.294     albertel 1978:     <nextstate>PAGESIZE</nextstate>
1.362     albertel 1979:     <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
                   1980:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   1981:        <validator>
                   1982: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                   1983: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
                   1984: 	    return "You need to specify the number of assignments to print";
                   1985: 	}
                   1986: 	return undef;
                   1987:        </validator>
                   1988:     </string>
                   1989:     <message></td></tr><tr><td></message>
                   1990:     <message><b>Names to store the CODEs under for later:</b></message>
                   1991:     <message></td><td></message>
1.294     albertel 1992:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1.362     albertel 1993:     <message></td></tr></table></message>
1.294     albertel 1994:     <message><hr width='33%' /></message>
                   1995:     <message><b>Reprint a set of saved CODEs:</b></message>
                   1996:     <dropdown variable="REUSE_OLD_CODES">
                   1997:         $namechoice
                   1998:     </dropdown>
1.284     albertel 1999:     <message><hr width='33%' /></message>
                   2000:     $resource_selector
                   2001:   </state>
                   2002: CHOOSE_ANON2
1.121     bowersj2 2003:     }
                   2004: 
                   2005:     # FIXME: That RE should come from a library somewhere.
1.302     sakharuk 2006:     if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
1.291     sakharuk 2007:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238     bowersj2 2008: 
1.131     bowersj2 2009:         my $f = '$filename';
1.139     bowersj2 2010:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155     sakharuk 2011:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
                   2012:     <message>(mark them then click "next" button) <br /></message>
1.138     bowersj2 2013:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 2014:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 2015:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 2016: CHOOSE_FROM_SUBDIR
                   2017:         
1.238     bowersj2 2018:         # this is broken up because I really want interpolation above,
                   2019:         # and I really DON'T want it below
1.139     bowersj2 2020:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 2021:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   2022: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 2023:       </filefilter>
1.138     bowersj2 2024:       </files>
1.131     bowersj2 2025:     </state>
                   2026: CHOOSE_FROM_SUBDIR
1.139     bowersj2 2027:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 2028:     }
1.238     bowersj2 2029: 
                   2030:     # Allow the user to select any sequence in the course, feed it to
                   2031:     # another resource selector for that sequence
1.239     bowersj2 2032:     if (!$helper->{VARS}->{'construction'}) {
1.254     sakharuk 2033: 	push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1.249     sakharuk 2034: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 2035: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   2036: 	#Escape apostrophes and backslashes for Perl
                   2037: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   2038: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 2039: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 2040:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   2041:     <message>Select the sequence to print resources from:</message>
                   2042:     <resource variable="SEQUENCE">
                   2043:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   2044:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   2045:       <valuefunc>return $urlValue;</valuefunc>
1.350     foxr     2046:       <option text='Newpage' variable='FINISHPAGE' />
1.238     bowersj2 2047:       </resource>
                   2048:     </state>
                   2049:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   2050:     <message>(mark desired resources then click "next" button) <br /></message>
1.287     albertel 2051:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   2052:               closeallpages="1">
1.238     bowersj2 2053:       <nextstate>PAGESIZE</nextstate>
                   2054:       <filterfunc>return $isProblem</filterfunc>
1.244     bowersj2 2055:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 2056:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2057:       <option text='Newpage' variable='FINISHPAGE' />
1.238     bowersj2 2058:       </resource>
                   2059:     </state>
                   2060: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 2061: }
1.131     bowersj2 2062: 
                   2063:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 2064:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 2065:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 2066:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 2067:     Apache::lonhelper::message->new();
                   2068:     $paramHash = Apache::lonhelper::getParamHash();
                   2069:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   2070:     $paramHash->{CHOICES} = $printChoices;
                   2071:     Apache::lonhelper::choices->new();
1.161     bowersj2 2072: 
1.223     bowersj2 2073:     my $startedTable = 0; # have we started an HTML table yet? (need
                   2074:                           # to close it later)
                   2075: 
1.170     sakharuk 2076:     if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or 
                   2077: 	($helper->{VARS}->{'construction'} eq '1')) {
1.242     sakharuk 2078: 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161     bowersj2 2079:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 2080: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   2081: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 2082:         $paramHash->{CHOICES} = [
1.242     sakharuk 2083:                                    ['Without Answers', 'yes'],
                   2084:                                    ['With Answers', 'no'],
1.368     albertel 2085:                                    ['Only Answers', 'only']
1.289     sakharuk 2086:                                 ];
1.210     sakharuk 2087:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2088: 	addMessage("</td></tr>");
                   2089: 	$startedTable = 1;
1.161     bowersj2 2090:     }
1.209     sakharuk 2091: 
1.203     sakharuk 2092:     if ($ENV{'request.role.adv'}) {
1.223     bowersj2 2093: 	if (!$startedTable) {
                   2094: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
                   2095: 	    $startedTable = 1;
                   2096: 	} else {
                   2097: 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
                   2098: 	}
1.203     sakharuk 2099:         $paramHash = Apache::lonhelper::getParamHash();
                   2100: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   2101: 	$helper->declareVar('LATEX_TYPE');  
                   2102: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   2103: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2104: 				     ['standard LaTeX mode', 'standard'], 
                   2105: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 2106: 	} else {
                   2107: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2108: 				     ['LaTeX batchmode', 'batchmode'],
                   2109: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 2110: 	}
1.210     sakharuk 2111:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 2112:  
1.223     bowersj2 2113: 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209     sakharuk 2114:         $paramHash = Apache::lonhelper::getParamHash();
                   2115: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   2116: 	$helper->declareVar('TABLE_CONTENTS');         
                   2117:         $paramHash->{CHOICES} = [
1.223     bowersj2 2118:                                    ['No', 'no'],
                   2119:                                    ['Yes', 'yes'] ];
1.210     sakharuk 2120:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2121: 	addMessage("</td></tr>");
1.214     sakharuk 2122:         
1.220     sakharuk 2123: 	if (not $helper->{VARS}->{'construction'}) {
1.223     bowersj2 2124: 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220     sakharuk 2125: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2126: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   2127: 	    $helper->declareVar('TABLE_INDEX');         
                   2128: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2129: 				     ['No', 'no'],
                   2130: 				     ['Yes', 'yes'] ];
1.220     sakharuk 2131: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 2132: 	    addMessage("</td></tr>");
1.309     sakharuk 2133: 	    addMessage("<tr><td align='right'>Print Discussions: </td><td>");
                   2134: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2135: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   2136: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   2137: 	    $paramHash->{CHOICES} = [
                   2138: 				     ['No', 'no'],
                   2139: 				     ['Yes', 'yes'] ];
                   2140: 	    Apache::lonhelper::dropdown->new();
                   2141: 	    addMessage("</td></tr>");
1.372   ! foxr     2142: 
        !          2143:             #  If advanced roles, then allow to show all foils.
        !          2144: 
        !          2145:             if ($ENV{'request.role.adv'}) {
        !          2146: 		addMessage("<tr><td align = 'right'>  </td><td>");
        !          2147: 		$paramHash = Apache::lonhelper::getParamHash();
        !          2148: 		$paramHash->{'multichoice'} = "true";
        !          2149: 		$paramHash->{'allowempty'}  = "true";
        !          2150: 		$paramHash->{'variable'}   = "showallfoils";
        !          2151: 		$paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
        !          2152: 		Apache::lonhelper::choices->new();
        !          2153: 		addMessage("</td></tr>");
        !          2154:             }
        !          2155: 
1.220     sakharuk 2156: 	}
1.219     sakharuk 2157: 
1.230     albertel 2158: 	if ($helper->{'VARS'}->{'construction'}) { 
1.265     sakharuk 2159: 	    my $stylevalue=$ENV{'construct.style'};
                   2160: 	    my $xmlfrag .= <<"RNDSEED";
1.290     sakharuk 2161: 	    <message><tr><td align='right'>Use random seed:  </td><td></message>
1.230     albertel 2162: 	    <string variable="curseed" size="15" maxlength="15">
                   2163: 		<defaultvalue>
                   2164: 	            return $helper->{VARS}->{'curseed'};
                   2165: 	        </defaultvalue>
1.262     sakharuk 2166: 	    </string>
1.264     sakharuk 2167: 	     <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1.265     sakharuk 2168:              <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1.230     albertel 2169:              <message></td></tr></message>
1.371     foxr     2170: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
                   2171:                 <choice computer="1">Show all foils?</choice>
                   2172:              </choices>
1.230     albertel 2173: RNDSEED
                   2174:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.264     sakharuk 2175: 	    $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1.371     foxr     2176: 	    
1.372   ! foxr     2177: 	} 
        !          2178: 
1.223     bowersj2 2179:     }
1.264     sakharuk 2180: 
                   2181: 
                   2182: 
1.218     sakharuk 2183: 
1.223     bowersj2 2184:     if ($startedTable) {
                   2185: 	addMessage("</table>");
1.215     sakharuk 2186:     }
1.161     bowersj2 2187: 
1.131     bowersj2 2188:     Apache::lonprintout::page_format_state->new("FORMAT");
                   2189: 
1.144     bowersj2 2190:     # Generate the PAGESIZE state which will offer the user the margin
                   2191:     # choices if they select one column
                   2192:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   2193:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   2194: 
                   2195: 
1.131     bowersj2 2196:     $helper->process();
                   2197: 
                   2198:     # MANUAL BAILOUT CONDITION:
                   2199:     # If we're in the "final" state, bailout and return to handler
                   2200:     if ($helper->{STATE} eq 'FINAL') {
                   2201:         return $helper;
                   2202:     }    
1.130     sakharuk 2203: 
1.131     bowersj2 2204:     $r->print($helper->display());
1.130     sakharuk 2205: 
1.333     albertel 2206:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 2207: 
                   2208:     return OK;
                   2209: }
                   2210: 
1.1       www      2211: 
                   2212: 1;
1.119     bowersj2 2213: 
                   2214: package Apache::lonprintout::page_format_state;
                   2215: 
                   2216: =pod
                   2217: 
1.131     bowersj2 2218: =head1 Helper element: page_format_state
                   2219: 
                   2220: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 2221: 
1.131     bowersj2 2222: Apache::lonprintout::page_format_state is an element that gives the 
                   2223: user an opportunity to select the page layout they wish to print 
                   2224: with: Number of columns, portrait/landscape, and paper size. If you 
                   2225: want to change the paper size choices, change the @paperSize array 
                   2226: contents in this package.
1.119     bowersj2 2227: 
1.131     bowersj2 2228: page_format_state is always directly invoked in lonprintout.pm, so there
                   2229: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 2230: 
                   2231: =over 4
                   2232: 
1.131     bowersj2 2233: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 2234: 
                   2235: =back
                   2236: 
                   2237: =cut
                   2238: 
1.131     bowersj2 2239: use Apache::lonhelper;
1.119     bowersj2 2240: 
                   2241: no strict;
1.131     bowersj2 2242: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 2243: use strict;
1.266     sakharuk 2244: use Apache::lonlocal;
1.119     bowersj2 2245: 
                   2246: my $maxColumns = 2;
1.326     sakharuk 2247: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.327     albertel 2248:                  "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
1.326     sakharuk 2249:                  "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   2250:                  "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.119     bowersj2 2251: 
                   2252: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   2253: #                   Paper type
                   2254: 
                   2255: sub new { 
1.131     bowersj2 2256:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 2257: 
1.135     bowersj2 2258:     shift;
                   2259: 
1.131     bowersj2 2260:     $self->{'variable'} = shift;
1.134     bowersj2 2261:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 2262:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 2263:     bless($self);
1.119     bowersj2 2264:     return $self;
                   2265: }
                   2266: 
                   2267: sub render {
                   2268:     my $self = shift;
1.131     bowersj2 2269:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 2270:     my $result = '';
1.131     bowersj2 2271:     my $var = $self->{'variable'};
1.266     sakharuk 2272:     my $PageLayout=&mt('Page layout');
                   2273:     my $NumberOfColumns=&mt('Number of columns');
                   2274:     my $PaperType=&mt('Paper type');
1.119     bowersj2 2275:     $result .= <<STATEHTML;
                   2276: 
1.223     bowersj2 2277: <hr width="33%" />
1.119     bowersj2 2278: <table cellpadding="3">
                   2279:   <tr>
1.266     sakharuk 2280:     <td align="center"><b>$PageLayout</b></td>
                   2281:     <td align="center"><b>$NumberOfColumns</b></td>
                   2282:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 2283:   </tr>
                   2284:   <tr>
                   2285:     <td>
1.155     sakharuk 2286:       <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
                   2287:       <input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait
1.119     bowersj2 2288:     </td>
1.155     sakharuk 2289:     <td align="center">
1.119     bowersj2 2290:       <select name="${var}.cols">
                   2291: STATEHTML
                   2292: 
                   2293:     my $i;
                   2294:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 2295:         if ($i == 2) {
1.119     bowersj2 2296:             $result .= "<option value='$i' selected>$i</option>\n";
                   2297:         } else {
                   2298:             $result .= "<option value='$i'>$i</option>\n";
                   2299:         }
                   2300:     }
                   2301: 
                   2302:     $result .= "</select></td><td>\n";
                   2303:     $result .= "<select name='${var}.paper'>\n";
                   2304: 
1.304     sakharuk 2305:     my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
                   2306:     my $DefaultPaperSize=$parmhash{'default_paper_size'};
                   2307:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 2308:     $i = 0;
                   2309:     foreach (@paperSize) {
1.326     sakharuk 2310: 	$_=~/(\w+)/;
                   2311: 	my $papersize=$1;
1.304     sakharuk 2312:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.326     sakharuk 2313:             $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2314:         } else {
1.326     sakharuk 2315:             $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2316:         }
                   2317:         $i++;
                   2318:     }
                   2319:     $result .= "</select></td></tr></table>";
                   2320:     return $result;
1.135     bowersj2 2321: }
                   2322: 
                   2323: sub postprocess {
                   2324:     my $self = shift;
                   2325: 
                   2326:     my $var = $self->{'variable'};
1.136     bowersj2 2327:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 2328:     $helper->{VARS}->{$var} = 
1.136     bowersj2 2329:         $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
                   2330:         $ENV{"form.$var.paper"};
1.135     bowersj2 2331:     return 1;
1.119     bowersj2 2332: }
                   2333: 
                   2334: 1;
1.144     bowersj2 2335: 
                   2336: package Apache::lonprintout::page_size_state;
                   2337: 
                   2338: =pod
                   2339: 
                   2340: =head1 Helper element: page_size_state
                   2341: 
                   2342: See lonhelper.pm documentation for discussion of the helper framework.
                   2343: 
                   2344: Apache::lonprintout::page_size_state is an element that gives the 
                   2345: user the opportunity to further refine the page settings if they
                   2346: select a single-column page.
                   2347: 
                   2348: page_size_state is always directly invoked in lonprintout.pm, so there
                   2349: is no tag interface. You actually pass parameters to the constructor.
                   2350: 
                   2351: =over 4
                   2352: 
                   2353: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   2354: 
                   2355: =back
                   2356: 
                   2357: =cut
                   2358: 
                   2359: use Apache::lonhelper;
                   2360: 
                   2361: no strict;
                   2362: @ISA = ("Apache::lonhelper::element");
                   2363: use strict;
                   2364: 
                   2365: 
                   2366: 
                   2367: sub new { 
                   2368:     my $self = Apache::lonhelper::element->new();
                   2369: 
                   2370:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   2371:            # package descriptor)... - Jeremy
                   2372: 
                   2373:     $self->{'variable'} = shift;
                   2374:     my $helper = Apache::lonhelper::getHelper();
                   2375:     $helper->declareVar($self->{'variable'});
                   2376: 
                   2377:     # The variable name of the format element, so we can look into 
                   2378:     # $helper->{VARS} to figure out whether the columns are one or two
                   2379:     $self->{'formatvar'} = shift;
                   2380: 
                   2381:     # The state to transition to after selection, or after discovering
                   2382:     # the cols are not set to 1
                   2383:     $self->{NEXTSTATE} = shift;
                   2384:     bless($self);
                   2385:     return $self;
                   2386: }
                   2387: 
                   2388: sub render {
                   2389:     my $self = shift;
                   2390:     my $helper = Apache::lonhelper::getHelper();
                   2391:     my $result = '';
                   2392:     my $var = $self->{'variable'};
                   2393: 
                   2394:     if (defined $self->{ERROR_MSG}) {
                   2395:         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
                   2396:     }
                   2397: 
                   2398:     $result .= <<ELEMENTHTML;
                   2399: 
                   2400: <p>How should the column be formatted?</p>
                   2401: 
                   2402: <table cellpadding='3'>
                   2403:   <tr>
                   2404:     <td align='right'><b>Width</b>:</td>
                   2405:     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
                   2406:     <td align='left'>
                   2407:       <select name='$var.widthunit'>
                   2408:         <option>cm</option><option>in</option>
                   2409:       </select>
                   2410:     </td>
                   2411:   </tr>
                   2412:   <tr>
                   2413:     <td align='right'><b>Height</b>:</td>
                   2414:     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
                   2415:     <td align='left'>
                   2416:       <select name='$var.heightunit'>
                   2417:         <option>cm</option><option>in</option>
                   2418:       </select>
                   2419:     </td>
                   2420:   </tr>
                   2421:   <tr>
                   2422:     <td align='right'><b>Left margin</b>:</td>
                   2423:     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
                   2424:     <td align='left'>
1.186     bowersj2 2425:       <select name='$var.lmarginunit'>
1.144     bowersj2 2426:         <option>cm</option><option>in</option>
                   2427:       </select>
                   2428:     </td>
                   2429:   </tr>
                   2430: </table>
                   2431: 
                   2432: <p>Hint: Some instructors like to leave scratch space for the student by
1.280     albertel 2433: making the width much smaller than the width of the page.</p>
1.144     bowersj2 2434: 
                   2435: ELEMENTHTML
                   2436: 
                   2437:     return $result;
                   2438: }
                   2439: 
                   2440: # If the user didn't select 1 column, skip this state.
                   2441: sub preprocess {
                   2442:     my $self = shift;
                   2443:     my $helper = Apache::lonhelper::getHelper();
                   2444: 
                   2445:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   2446:     if (substr($format, 2, 1) ne '1') {
                   2447:         $helper->changeState($self->{NEXTSTATE});
                   2448:     }
                   2449:    
                   2450:     return 1;
                   2451: }
                   2452: 
                   2453: sub postprocess {
                   2454:     my $self = shift;
                   2455: 
                   2456:     my $var = $self->{'variable'};
                   2457:     my $helper = Apache::lonhelper->getHelper();
                   2458:     my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"}; 
                   2459:     my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"}; 
                   2460:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"}; 
                   2461:     $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"}; 
                   2462:     $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"}; 
                   2463:     $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"}; 
                   2464: 
                   2465:     my $error = '';
                   2466: 
                   2467:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   2468:     # by an optional period, followed by digits, ending the string
                   2469: 
                   2470:     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2471:         $error .= "Invalid width; please type only a number.<br />\n";
                   2472:     }
                   2473:     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2474:         $error .= "Invalid height; please type only a number.<br />\n";
                   2475:     }
                   2476:     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2477:         $error .= "Invalid left margin; please type only a number.<br />\n";
                   2478:     }
                   2479: 
                   2480:     if (!$error) {
                   2481:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   2482:         return 1;
                   2483:     } else {
                   2484:         $self->{ERROR_MSG} = $error;
                   2485:         return 0;
                   2486:     }
                   2487: }
                   2488: 
                   2489: 
1.119     bowersj2 2490: 
1.1       www      2491: __END__
1.6       sakharuk 2492: 

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