Annotation of loncom/interface/lonprintout.pm, revision 1.365

1.350     foxr        1: #  The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.365   ! foxr        4: # $Id: lonprintout.pm,v 1.364 2005/02/22 16:08:11 albertel 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: 
                    844:     # fetch the pagebreaks and store them in the course environment
                    845:     # The page breaks will be pulled into the hash %page_breaks which is
                    846:     # indexed by symb and contains 1's for each break.
                    847: 
                    848:     $ENV{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
                    849:     &Apache::loncommon::store_course_settings('print',
                    850: 					      {'pagebreaks' => 'scalar'});
                    851: 
1.364     albertel  852:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr      853: 
1.140     sakharuk  854:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                    855:     my ($result,$selectionmade) = ('','');
                    856:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                    857:     my @temporary_array=split /\|/,$format_from_helper;
                    858:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                    859:     if ($laystyle eq 'L') {
                    860: 	$laystyle='album';
                    861:     } else {
                    862: 	$laystyle='book';
                    863:     }
1.177     sakharuk  864:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.140     sakharuk  865:     my $assignment =  $ENV{'form.assignment'};
1.275     sakharuk  866:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk  867:     my @print_array=();
1.274     sakharuk  868:     my @student_names=();
1.360     albertel  869: 
                    870:     #  Common settings for the %form has:
                    871:     # In some cases these settings get overriddent by specific cases, but the
                    872:     # settings are common enough to make it worthwhile factoring them out
                    873:     # here.
                    874:     #
                    875:     my %form;
                    876:     $form{'grade_target'} = 'tex';
                    877:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.153     sakharuk  878:     
1.140     sakharuk  879:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk  880:       #-- single document - problem, page, html, xml, ...
1.343     albertel  881: 	my ($currentURL,$cleanURL);
1.162     sakharuk  882: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk  883:             #prints published resource
1.153     sakharuk  884: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel  885: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk  886: 	} else {
1.185     sakharuk  887:             #prints resource from the construction space
1.240     albertel  888: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk  889: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel  890: 	    $cleanURL=$currentURL;
1.143     sakharuk  891: 	}
1.140     sakharuk  892: 	$selectionmade = 1;
1.343     albertel  893: 	if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel  894: 	    my $rndseed=time;
1.242     sakharuk  895: 	    my $texversion='';
                    896: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    897: 		my %moreenv;
1.343     albertel  898: 		$moreenv{'request.filename'}=$cleanURL;
1.265     sakharuk  899: 		if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                    900: 		    $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
                    901: 		    my $dom = $ENV{'user.domain'};
                    902: 		    my $user = $ENV{'user.name'};
                    903: 		    my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
                    904: 		}
1.290     sakharuk  905:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk  906: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk  907: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk  908: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk  909: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                    910: 		if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.242     sakharuk  911: 		if ($helper->{'VARS'}->{'curseed'}) {
                    912: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                    913: 		}
                    914: 		$form{'rndseed'}=$rndseed;
                    915: 		&Apache::lonnet::appenv(%moreenv);
                    916: 		&Apache::lonnet::delenv('form.counter');
                    917: 		&Apache::lonxml::init_counter();
1.275     sakharuk  918: 		$texversion.=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  919: 		&Apache::lonnet::delenv('form.counter');
                    920: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel  921: 	    }
1.242     sakharuk  922: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    923: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr      924: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel  925: 		$form{'grade_target'}='answer';
1.167     albertel  926: 		$form{'answer_output_mode'}='tex';
1.169     albertel  927: 		$form{'rndseed'}=$rndseed;
1.166     albertel  928: 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  929: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    930: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    931: 		} else {
                    932: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk  933: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                    934: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1.343     albertel  935: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk  936: 		    } else {
                    937: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel  938: 			my $URLpath=$cleanURL;
1.245     sakharuk  939: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                    940: 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                    941: 		    }
1.242     sakharuk  942: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    943: 		}
1.163     sakharuk  944: 	    }
1.214     sakharuk  945: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk  946: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk  947: 	    }
1.219     sakharuk  948: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                    949: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                    950: 
                    951: 	    }
1.162     sakharuk  952: 	    $result .= $texversion;
                    953: 	    if ($currentURL=~m/\.page\s*$/) {
                    954: 		($result,$number_of_columns) = &page_cleanup($result);
                    955: 	    }
1.227     sakharuk  956:         } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
                    957:             #printing content of sequence from the construction space	
                    958: 	    my $flag_latex_header_remove = 'NO'; 
                    959: 	    my $rndseed=time;
1.231     albertel  960: 	    if ($helper->{'VARS'}->{'curseed'}) {
                    961: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                    962: 	    }
1.227     sakharuk  963: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                    964: 	    my $errtext=&Apache::lonratedt::mapread($currentURL);
                    965: 	    for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
                    966: 		$Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
                    967: 		my $urlp=$2;
                    968: 		if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.245     sakharuk  969: 		    my $texversion='';
                    970: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    971: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk  972: 			$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.245     sakharuk  973: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    974: 			$form{'rndseed'}=$rndseed;
                    975: 			$texversion=&Apache::lonnet::ssi($urlp,%form);
                    976: 		    }
1.249     sakharuk  977: 		    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    978: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                    979: 		       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1.227     sakharuk  980: 			$form{'grade_target'}='answer';
                    981: 			$form{'answer_output_mode'}='tex';
                    982: 			$form{'rndseed'}=$rndseed;
1.353     foxr      983: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.232     sakharuk  984:                         if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
1.227     sakharuk  985: 			my $answer=&Apache::lonnet::ssi($urlp,%form);
1.245     sakharuk  986: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    987: 			    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    988: 			} else {
                    989: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                    990: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                    991: 			    $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                    992: 			    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    993: 			}
1.227     sakharuk  994: 		    }
                    995: 		    if ($flag_latex_header_remove ne 'NO') {
                    996: 			$texversion = &latex_header_footer_remove($texversion);
                    997: 		    } else {
                    998: 			$texversion =~ s/\\end{document}//;
                    999: 		    }
                   1000: 		    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1001: 			$texversion=&IndexCreation($texversion,$urlp);
                   1002: 		    }
1.232     sakharuk 1003: 		    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1.227     sakharuk 1004: 			$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1005: 		    }
                   1006: 		    $result.=$texversion;
                   1007: 		    $flag_latex_header_remove = 'YES';
                   1008: 		} elsif ($urlp=~/\.(sequence|page)$/) {
1.229     sakharuk 1009: 		    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1.227     sakharuk 1010: 		}  
                   1011: 	    }
1.228     sakharuk 1012: 	    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.227     sakharuk 1013: 	    $result .= '\end{document}';   
1.343     albertel 1014: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 1015: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 1016: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.258     sakharuk 1017: 		my $texversion=&Apache::lonnet::ssi($currentURL,%form);
                   1018: 		$result .= $texversion;
1.162     sakharuk 1019: 	} else {
1.307     sakharuk 1020: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1.162     sakharuk 1021: 	}
1.354     foxr     1022:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.142     sakharuk 1023:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     1024:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   1025: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.252     sakharuk 1026: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.141     sakharuk 1027:         #-- produce an output string
1.296     sakharuk 1028: 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
                   1029: 	    $selectionmade = 2;
                   1030: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                   1031: 	    $selectionmade = 3;
                   1032: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                   1033: 	    $selectionmade = 4;
1.354     foxr     1034: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   1035: 	    $selectionmade = 4;
1.296     sakharuk 1036: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   1037: 	    $selectionmade = 7;
                   1038: 	}
1.193     sakharuk 1039: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1040: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 1041: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1042: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1043: 	if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.141     sakharuk 1044: 	my $flag_latex_header_remove = 'NO';
                   1045: 	my $flag_page_in_sequence = 'NO';
                   1046: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 1047: 	my $prevassignment='';
1.270     sakharuk 1048: 	&Apache::lonnet::delenv('form.counter');
1.201     sakharuk 1049: 	&Apache::lonxml::init_counter();
1.141     sakharuk 1050: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     1051: 
                   1052: 	    # Note due to document structure, not allowed to put \newpage
                   1053: 	    # prior to the first resource
                   1054: 
1.351     foxr     1055: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     1056: 		if($i != 0) {
                   1057: 		    $result.="\\newpage\n";
                   1058: 		}
                   1059: 	    }
1.236     albertel 1060: 	    my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 1061: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 1062: 	    $form{'symb'}=$master_seq[$i];
1.236     albertel 1063: 	    my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
                   1064: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1.267     sakharuk 1065: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 1066: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 1067: 	    my $texversion='';
1.296     sakharuk 1068: 	    if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.297     sakharuk 1069: 		$texversion.=&Apache::lonnet::ssi($urlp,%form);
1.296     sakharuk 1070: 		if ($urlp=~/\.page$/) {
                   1071: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   1072: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   1073: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   1074: 		    $flag_page_in_sequence = 'YES';
                   1075: 		} 
                   1076: 		my $lonidsdir=$r->dir_config('lonIDsDir');
                   1077: 		my $envfile=$ENV{'user.environment'};
                   1078: 		$envfile=~/\/([^\/]+)\.id$/;
                   1079: 		$envfile=$1;
                   1080: 		&Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                   1081: 		my $current_counter=$ENV{'form.counter'};
                   1082: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1083: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1084: 		    $form{'grade_target'}='answer';
                   1085: 		    $form{'answer_output_mode'}='tex';
                   1086: 		    my $answer=&Apache::lonnet::ssi($urlp,%form);
                   1087: 		    &Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1088: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1089: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 1090: 		    } else {
1.307     sakharuk 1091: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 1092: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1093: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
                   1094: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1095: 			    $texversion.='\vskip 1 mm '.$answer;
                   1096: 			} else {
                   1097: 			    $texversion='';
                   1098: 			}
1.249     sakharuk 1099: 		    }
1.246     sakharuk 1100: 		}
1.296     sakharuk 1101: 		if ($flag_latex_header_remove ne 'NO') {
                   1102: 		    $texversion = &latex_header_footer_remove($texversion);
                   1103: 		} else {
                   1104: 		    $texversion =~ s/\\end{document}//;
                   1105: 		}
                   1106: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1107: 		    $texversion=&IndexCreation($texversion,$urlp);
                   1108: 		}
                   1109: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   1110: 		    my $name = &get_name();
                   1111: 		    my $courseidinfo = &get_course();
                   1112: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1113: 		    $prevassignment=$assignment;
1.334     albertel 1114: 		    $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1.296     sakharuk 1115: 		}
                   1116: 		$result .= $texversion;
                   1117: 		$flag_latex_header_remove = 'YES';   
1.301     sakharuk 1118: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
                   1119: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1120: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
                   1121: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
                   1122: 		if ($flag_latex_header_remove ne 'NO') {
                   1123: 		    $texversion = &latex_header_footer_remove($texversion);
                   1124: 		} else {
                   1125: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   1126: 		}
                   1127: 		$result .= $texversion;
                   1128: 		$flag_latex_header_remove = 'YES'; 
1.141     sakharuk 1129: 	    } else {
1.307     sakharuk 1130: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1.297     sakharuk 1131: 		if ($flag_latex_header_remove ne 'NO') {
                   1132: 		    $texversion = &latex_header_footer_remove($texversion);
                   1133: 		} else {
                   1134: 		    $texversion =~ s/\\end{document}//;
                   1135: 		}
                   1136: 		$result .= $texversion;
                   1137: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 1138: 	    }	    
1.331     albertel 1139: 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
1.141     sakharuk 1140: 	}
                   1141: 	&Apache::lonnet::delenv('form.counter');
1.344     foxr     1142: 	if ($flag_page_in_sequence eq 'YES') {
                   1143: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   1144: 	}	
1.141     sakharuk 1145: 	$result .= '\end{document}';
1.284     albertel 1146:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
                   1147: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     1148: 
                   1149: 
1.150     sakharuk 1150:      #-- prints assignments for whole class or for selected students  
1.284     albertel 1151: 	 my $type;
1.254     sakharuk 1152: 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
                   1153: 	     $selectionmade=5;
1.284     albertel 1154: 	     $type='problems';
1.254     sakharuk 1155: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   1156: 	     $selectionmade=8;
1.284     albertel 1157: 	     $type='resources';
1.254     sakharuk 1158: 	 }
1.150     sakharuk 1159: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     1160: 	 #   The normal sort order is by section then by students within the
                   1161: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   1162: 	 #   to override this and output the students by name.
                   1163: 	 #    Each element of the students array is of the form:
                   1164: 	 #       username:domain:section:last, first:status
                   1165: 	 #    
                   1166: 	 #   
                   1167: 	 if ($helper->{'VARS'}->{'student_sort'}    eq 1) {
                   1168: 	     @students = sort compare_names  @students;
                   1169: 	 }
1.278     albertel 1170:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   1171: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   1172: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   1173: 	 }
1.150     sakharuk 1174: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     1175: 
1.150     sakharuk 1176: 	 #loop over students
                   1177: 	 my $flag_latex_header_remove = 'NO'; 
                   1178: 	 my %moreenv;
1.330     sakharuk 1179:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 1180: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 1181: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.353     foxr     1182: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.309     sakharuk 1183: 	 if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1.318     albertel 1184: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 1185: 	 my $student_counter=-1;
1.150     sakharuk 1186: 	 foreach my $person (@students) {
1.350     foxr     1187: 
1.311     sakharuk 1188:              my $duefile="/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
                   1189: 	     if (-e $duefile) {
                   1190: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   1191: 		 print $temp_file "1969\n";
                   1192: 	     }
1.272     sakharuk 1193: 	     $student_counter++;
1.284     albertel 1194: 	     my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1.353     foxr     1195: 	     my ($output,$fullname)=&print_resources($r,$helper,
                   1196: 						     $person,$type,
                   1197: 						     \%moreenv,\@master_seq,
1.360     albertel 1198: 						     $flag_latex_header_remove,
                   1199: 						     $LaTeXwidth);
1.284     albertel 1200: 	     $print_array[$i].=$output;
                   1201: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   1202: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   1203: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 1204: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1205: 	 }
                   1206: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1207: 	 $result .= $print_array[0].'  \end{document}';
                   1208:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   1209: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.292     albertel 1210: 	 my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                   1211: 	 my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1.288     albertel 1212: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   1213: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 1214: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.288     albertel 1215: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     1216: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.288     albertel 1217: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 1218: 	 my @allcodes;
                   1219: 	 if ($old_name) {
                   1220: 	     my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
                   1221: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 1222: 	     $num_todo=scalar(@allcodes);
1.292     albertel 1223: 	 } else {
                   1224: 	     my %allcodes;
1.299     albertel 1225: 	     srand($seed);
1.292     albertel 1226: 	     for (my $i=0;$i<$num_todo;$i++) {
                   1227: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
                   1228: 	     }
                   1229: 	     if ($code_name) {
                   1230: 		 &Apache::lonnet::put('CODEs',
                   1231: 				      {$code_name =>join(',',keys(%allcodes))},
                   1232: 				      $cdom,$cnum);
                   1233: 	     }
                   1234: 	     @allcodes=keys(%allcodes);
                   1235: 	 }
1.336     albertel 1236: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   1237: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
                   1238: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   1239: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   1240: 	     $number_per_page=$num_todo;
                   1241: 	 }
                   1242: 	 my $flag_latex_header_remove = 'NO'; 
                   1243: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 1244: 	 my $count=0;
1.292     albertel 1245: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 1246: 	     my $file_num=int($count/$number_per_page);
1.292     albertel 1247: 	     $moreenv{'CODE'}=&num_to_letters($code);
1.288     albertel 1248: 	     my ($output,$fullname)=
                   1249: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 1250: 				  \@master_seq,$flag_latex_header_remove,
                   1251: 				  $LaTeXwidth);
1.295     albertel 1252: 	     $print_array[$file_num].=$output;
1.288     albertel 1253: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   1254: 				       &mt('last assignment').' '.$fullname);
                   1255: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 1256: 	     $count++;
1.331     albertel 1257: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 1258: 	 }
                   1259: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1260: 	 $result .= $print_array[0].'  \end{document}';
                   1261:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 1262:     #prints selected problems from the subdirectory 
                   1263: 	$selectionmade = 6;
                   1264:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 1265: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 1266: 	my $flag_latex_header_remove = 'NO'; 
                   1267: 	my $rndseed=time;
1.230     albertel 1268: 	if ($helper->{'VARS'}->{'curseed'}) {
                   1269: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1270: 	}
1.151     sakharuk 1271: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.152     sakharuk 1272: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 1273: 	    $urlp=~s|//|/|;
1.152     sakharuk 1274: 	    if ($urlp=~/\//) {
1.353     foxr     1275: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 1276: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 1277: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   1278: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   1279: 		} else {
1.302     sakharuk 1280: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 1281: 		}
1.166     albertel 1282: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1283: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 1284: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.174     sakharuk 1285: 		    $form{'grade_target'}='answer';
                   1286: 		    $form{'answer_output_mode'}='tex';
1.203     sakharuk 1287: 		    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.174     sakharuk 1288: 		    $form{'rndseed'}=$rndseed;
                   1289: 		    my $answer=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1290: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1291: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1292: 		    } else {
1.253     sakharuk 1293: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1294: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1295: 			    $texversion.='\vskip 0 mm \noindent ';
                   1296: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1297: 			} else {
                   1298: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1299: 			    my $URLpath=$urlp;
                   1300: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1301: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1302: 			}
                   1303: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 1304: 		    }
1.174     sakharuk 1305: 		}
1.151     sakharuk 1306:                 #this chunck is responsible for printing the path to problem
1.253     sakharuk 1307: 		my $newurlp=$urlp;
                   1308: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   1309: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 1310: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 1311: 		if ($flag_latex_header_remove ne 'NO') {
                   1312: 		    $texversion = &latex_header_footer_remove($texversion);
                   1313: 		} else {
                   1314: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 1315: 		}
                   1316: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1317: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 1318: 		}
1.219     sakharuk 1319: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1320: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1321: 		    
                   1322: 		}
1.152     sakharuk 1323: 		$result .= $texversion;
                   1324: 	    }
                   1325: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 1326: 	}
1.175     sakharuk 1327: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 1328: 	$result .= '\end{document}';      	
1.140     sakharuk 1329:     }
                   1330: #-------------------------------------------------------- corrections for the different page formats
1.312     sakharuk 1331:     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1.316     sakharuk 1332:     $result = &latex_corrections($number_of_columns,$result,$selectionmade);
                   1333:     for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1.190     sakharuk 1334:     #changes page's parameters for the one column output 
1.195     sakharuk 1335:     if ($numberofcolumns == 1) {
1.339     albertel 1336: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   1337: 	$result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   1338: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1339: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.195     sakharuk 1340:     }
1.140     sakharuk 1341: #-- writing .tex file in prtspool 
                   1342:     my $temp_file;
1.277     albertel 1343:     my $identifier = &Apache::loncommon::get_cgi_id();
                   1344:     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
                   1345:     if (!($#print_array>0)) { 
                   1346: 	unless ($temp_file = Apache::File->new('>'.$filename)) {
                   1347: 	    $r->log_error("Couldn't open $filename for output $!");
                   1348: 	    return SERVER_ERROR; 
                   1349: 	}
                   1350: 	print $temp_file $result;
                   1351: 	my $begin=index($result,'\begin{document}',0);
                   1352: 	my $inc=substr($result,0,$begin+16);
                   1353:     } else {
                   1354: 	my $begin=index($result,'\begin{document}',0);
                   1355: 	my $inc=substr($result,0,$begin+16);
                   1356:         for (my $i=0;$i<=$#print_array;$i++) {
                   1357: 	    if ($i==0) {
                   1358: 		$print_array[$i]=$result;
                   1359: 	    } else {
                   1360: 		my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   1361: 		substr($print_array[$i],0,$anobegin)='';
                   1362: 		$print_array[$i]=$inc.$print_array[$i].'\end{document}';
                   1363: 	    }
1.272     sakharuk 1364: 	    my $temp_file;
1.273     sakharuk 1365: 	    my $newfilename=$filename;
1.277     albertel 1366: 	    my $num=$i+1;
                   1367: 	    $newfilename =~s/\.tex$/_$num\.tex/; 
1.272     sakharuk 1368: 	    unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   1369: 		$r->log_error("Couldn't open $newfilename for output $!");
                   1370: 		return SERVER_ERROR; 
                   1371: 	    }
                   1372: 	    print $temp_file $print_array[$i];
                   1373: 	}
                   1374:     }
1.274     sakharuk 1375:     my $student_names='';
                   1376:     if ($#print_array>0) {
                   1377: 	for (my $i=0;$i<=$#print_array;$i++) {
                   1378: 	    $student_names.=$student_names[$i].'_ENDPERSON_';
                   1379: 	}
1.277     albertel 1380:     } else {
1.278     albertel 1381: 	if ($#student_names>-1) {
                   1382: 	    $student_names=$student_names[0].'_ENDPERSON_';
                   1383: 	} else {
                   1384: 	    my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
                   1385: 	    $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
                   1386: 				$ENV{'request.course.sec'},$fullname).
                   1387: 				    '_ENDPERSON_'.'_END_';
                   1388: 	}
1.274     sakharuk 1389:     }
                   1390: 
1.276     sakharuk 1391:     my $URLback=''; #link to original document
                   1392:     if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1393: 	#prints published resource
1.342     albertel 1394: 	$URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1.276     sakharuk 1395:     } else {
                   1396: 	#prints resource from the construction space
                   1397: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 1398: 	if ($URLback=~/([^?]+)/) {
                   1399: 	    $URLback=$1;
                   1400: 	    $URLback=~s|^/~|/priv/|;
                   1401: 	}
1.276     sakharuk 1402:     }
1.256     sakharuk 1403: 
1.257     sakharuk 1404:     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                   1405:                             'cgi.'.$identifier.'.layout'  => $laystyle,
                   1406:                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
1.303     sakharuk 1407: 			    'cgi.'.$identifier.'.paper'  => $papersize,
1.257     sakharuk 1408:                             'cgi.'.$identifier.'.selection' => $selectionmade,
                   1409: 			    'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   1410: 			    'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1.272     sakharuk 1411: 			    'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1.274     sakharuk 1412:                             'cgi.'.$identifier.'numberoffiles' => $#print_array,
1.276     sakharuk 1413:                             'cgi.'.$identifier.'studentnames' => $student_names,
                   1414:                             'cgi.'.$identifier.'backref' => $URLback,);
1.256     sakharuk 1415:  
1.140     sakharuk 1416: $r->print(<<FINALEND);
1.317     albertel 1417: <br />
1.288     albertel 1418: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.317     albertel 1419: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1.140     sakharuk 1420: </body>
                   1421: </html>
                   1422: FINALEND
                   1423: }
                   1424: 
1.288     albertel 1425: sub num_to_letters {
                   1426:     my ($num) = @_;
                   1427:     my @nums= split('',$num);
                   1428:     my @num_to_let=('A'..'Z');
                   1429:     my $word;
                   1430:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                   1431:     return $word;
                   1432: }
                   1433: 
                   1434: sub get_CODE {
                   1435:     my ($all_codes,$num,$seed,$size)=@_;
                   1436:     my $max='1'.'0'x$size;
                   1437:     my $newcode;
                   1438:     while(1) {
1.293     albertel 1439: 	$newcode=sprintf("%06d",int(rand($max)));
1.288     albertel 1440: 	if (!exists($$all_codes{$newcode})) {
                   1441: 	    $$all_codes{$newcode}=1;
                   1442: 	    return &num_to_letters($newcode);
                   1443: 	}
                   1444:     }
                   1445: }
1.140     sakharuk 1446: 
1.284     albertel 1447: sub print_resources {
1.360     albertel 1448:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
                   1449: 	$LaTeXwidth)=@_;
1.284     albertel 1450:     my $current_output = ''; 
                   1451:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   1452:     my $fullname = &get_name($username,$userdomain);
1.323     sakharuk 1453:     my $namepostfix;
1.288     albertel 1454:     if ($person =~ 'anon') {
1.323     sakharuk 1455: 	$namepostfix="\\\\Name: ";
1.288     albertel 1456: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   1457:     }
1.350     foxr     1458:     my $i           = 0;
1.284     albertel 1459:     #goes through all resources, checks if they are available for 
                   1460:     #current student, and produces output   
                   1461:     &Apache::lonnet::delenv('form.counter');
                   1462:     &Apache::lonxml::init_counter();
1.363     foxr     1463: 
1.364     albertel 1464:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1465: 
1.284     albertel 1466:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     1467: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     1468: 	    if($i != 0) {
                   1469: 		$current_output.= "\\newpage\n";
                   1470: 	    }
                   1471: 	}
                   1472: 	$i++;
1.284     albertel 1473: 	if ( !($type eq 'problems' && 
                   1474: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   1475: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   1476: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.305     sakharuk 1477: 		if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
                   1478: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
                   1479: 		    my $lonidsdir=$r->dir_config('lonIDsDir');
                   1480: 		    my $envfile=$ENV{'user.environment'};
                   1481: 		    $envfile=~/\/([^\/]+)\.id$/;
                   1482: 		    $envfile=$1;
                   1483: 		    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                   1484: 		    my $current_counter=$ENV{'form.counter'};
                   1485: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1486: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.332     albertel 1487: 			$moreenv->{'answer_output_mode'}='tex';
                   1488: 			$moreenv->{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1489: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%{$moreenv});
1.305     sakharuk 1490: 			&Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1491: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1492: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   1493: 			} else {
                   1494: 			    $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1495: 			    $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
                   1496: 			    $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
                   1497: 			    $rendered.='\vskip 1 mm '.$ansrendered;
                   1498: 			}
                   1499: 		    }
                   1500: 		    if ($remove_latex_header eq 'YES') {
                   1501: 			$rendered = &latex_header_footer_remove($rendered);
                   1502: 		    } else {
                   1503: 			$rendered =~ s/\\end{document}//;
                   1504: 		    }
                   1505: 		    $current_output .= $rendered;		    
                   1506: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
                   1507: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
                   1508: 		    my $lonidsdir=$r->dir_config('lonIDsDir');
                   1509: 		    my $envfile=$ENV{'user.environment'};
                   1510: 		    $envfile=~/\/([^\/]+)\.id$/;
                   1511: 		    $envfile=$1;
                   1512: 		    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                   1513: 		    my $current_counter=$ENV{'form.counter'};
                   1514: 		    if ($remove_latex_header eq 'YES') {
                   1515: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 1516: 		    } else {
1.305     sakharuk 1517: 			$rendered =~ s/\\end{document}//;
1.284     albertel 1518: 		    }
1.305     sakharuk 1519: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.284     albertel 1520: 		} else {
1.307     sakharuk 1521: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1.305     sakharuk 1522: 		    if ($remove_latex_header ne 'NO') {
                   1523: 			$rendered = &latex_header_footer_remove($rendered);
                   1524: 		    } else {
                   1525: 			$rendered =~ s/\\end{document}//;
                   1526: 		    }
                   1527: 		    $current_output .= $rendered;
1.284     albertel 1528: 		}
                   1529: 	    }
                   1530: 	    $remove_latex_header = 'YES';
                   1531: 	}
1.331     albertel 1532: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1533:     }
                   1534:     my $courseidinfo = &get_course();
                   1535:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1536:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
                   1537:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
                   1538:     if ($current_output=~/\\documentclass/) {
1.334     albertel 1539: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1.284     albertel 1540:     } else {
                   1541: 	my $blankpages = '';
                   1542: 	for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1.334     albertel 1543: 	$current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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 1544:     }
                   1545:     return ($current_output,$fullname);
                   1546: 
                   1547: }
1.140     sakharuk 1548: 
1.3       sakharuk 1549: sub handler {
                   1550: 
                   1551:     my $r = shift;
1.131     bowersj2 1552:     my $helper;
1.114     bowersj2 1553: 
1.150     sakharuk 1554: #    my $loaderror=&Apache::lonnet::overloaderror($r);
                   1555: #    if ($loaderror) { return $loaderror; }
                   1556: #    $loaderror=
                   1557: #       &Apache::lonnet::overloaderror($r,
                   1558: #         $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
                   1559: #    if ($loaderror) { return $loaderror; }
1.67      www      1560: 
1.177     sakharuk 1561:     my $result = printHelper($r);
                   1562:     if (!ref($result)) {
                   1563: 	return $result;
1.60      sakharuk 1564:     }
1.177     sakharuk 1565:     $helper = $result;
                   1566:    
                   1567: #	my $key; 
                   1568: #	foreach $key (keys %{$helper->{'VARS'}}) {
                   1569: #	    $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
                   1570: #	}
1.264     sakharuk 1571: #	foreach $key (keys %ENV) {
                   1572: #	    $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
                   1573: #	}
1.177     sakharuk 1574: #	return OK;
1.184     sakharuk 1575: 
                   1576:     my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
1.353     foxr     1577:  
1.207     sakharuk 1578: #	my $key; 
1.200     sakharuk 1579: #	foreach $key (keys %parmhash) {
                   1580: #	    $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
                   1581: #	}
1.353     foxr     1582: #
1.350     foxr     1583: 
                   1584: 
                   1585: 			 
1.184     sakharuk 1586:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 1587:     return OK;
1.60      sakharuk 1588: } 
1.2       sakharuk 1589: 
1.131     bowersj2 1590: use Apache::lonhelper;
1.130     sakharuk 1591: 
1.223     bowersj2 1592: sub addMessage {
                   1593:     my $text = shift;
                   1594:     my $paramHash = Apache::lonhelper::getParamHash();
                   1595:     $paramHash->{MESSAGE_TEXT} = $text;
                   1596:     Apache::lonhelper::message->new();
                   1597: }
                   1598: 
1.238     bowersj2 1599: use Data::Dumper;
                   1600: 
1.131     bowersj2 1601: sub printHelper {
1.115     bowersj2 1602:     my $r = shift;
                   1603: 
                   1604:     if ($r->header_only) {
1.131     bowersj2 1605:         if ($ENV{'browser.mathml'}) {
1.241     www      1606:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 1607:         } else {
1.241     www      1608:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 1609:         }
                   1610:         $r->send_http_header;
                   1611:         return OK;
1.115     bowersj2 1612:     }
                   1613: 
1.131     bowersj2 1614:     # Send header, nocache
1.115     bowersj2 1615:     if ($ENV{'browser.mathml'}) {
1.241     www      1616:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 1617:     } else {
1.241     www      1618:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 1619:     }
                   1620:     &Apache::loncommon::no_cache($r);
                   1621:     $r->send_http_header;
                   1622:     $r->rflush();
                   1623: 
1.131     bowersj2 1624:     # Unfortunately, this helper is so complicated we have to
                   1625:     # write it by hand
                   1626: 
                   1627:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   1628:     
1.176     bowersj2 1629:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 1630:     $helper->declareVar('symb');
1.156     bowersj2 1631:     $helper->declareVar('postdata');    
1.290     sakharuk 1632:     $helper->declareVar('curseed'); 
                   1633:     $helper->declareVar('probstatus');   
1.156     bowersj2 1634:     $helper->declareVar('filename');
                   1635:     $helper->declareVar('construction');
1.178     sakharuk 1636:     $helper->declareVar('assignment');
1.262     sakharuk 1637:     $helper->declareVar('style_file');
1.340     foxr     1638:     $helper->declareVar('student_sort');
1.363     foxr     1639:     $helper->declareVar('FINISHPAGE');
                   1640: 
                   1641:     #  The page breaks can get loaded initially from the course environment:
                   1642:     
                   1643:     &Apache::loncommon::restore_course_settings('print',
                   1644: 						{'pagebreaks' => 'scalar'});
                   1645: 
                   1646:     $helper->{VARS}->{FINISHPAGE} = $ENV{'form.pagebreaks'};
1.131     bowersj2 1647:     
                   1648:     # This will persistently load in the data we want from the
                   1649:     # very first screen.
1.156     bowersj2 1650:     # Detect whether we're coming from construction space
1.208     www      1651:     if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 1652:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 1653:         $helper->{VARS}->{'construction'} = 1;
                   1654:     } else {
                   1655:         if ($ENV{'form.postdata'}) {
                   1656:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
                   1657:         }
                   1658:         if ($ENV{'form.symb'}) {
                   1659:             $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1660:         }
                   1661:         if ($ENV{'form.url'}) {
                   1662:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   1663:         }
1.157     bowersj2 1664:     }
1.156     bowersj2 1665: 
1.146     bowersj2 1666:     if ($ENV{'form.symb'}) {
                   1667:         $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1668:     }
                   1669:     if ($ENV{'form.url'}) {
1.140     sakharuk 1670:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 1671: 
1.140     sakharuk 1672:     }
1.343     albertel 1673:     $helper->{VARS}->{'symb'}=
                   1674: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 1675:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 1676:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140     sakharuk 1677: 
1.156     bowersj2 1678:     
1.146     bowersj2 1679:     # Extract map
                   1680:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 1681:     my ($map, $id, $url);
                   1682:     my $subdir;
                   1683: 
                   1684:     # Get the resource name from construction space
                   1685:     if ($helper->{VARS}->{'construction'}) {
                   1686:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   1687:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   1688:         $subdir = substr($helper->{VARS}->{'filename'},
                   1689:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
                   1690:     } else {
1.233     www      1691:         ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.343     albertel 1692:         $helper->{VARS}->{'postdata'} = 
                   1693: 	    &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1.146     bowersj2 1694: 
1.156     bowersj2 1695:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 1696:             my $postdata = $helper->{VARS}->{'postdata'};
                   1697:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 1698:         }
                   1699:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 1700:     }
1.230     albertel 1701:     if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
                   1702: 	$helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
                   1703:     }
1.290     sakharuk 1704:     if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) {
                   1705: 	$helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'};
                   1706:     }
1.115     bowersj2 1707: 
1.192     bowersj2 1708:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1.235     bowersj2 1709:     my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
                   1710: 			   $ENV{'request.role'}=~m/^in\./ or
                   1711: 			   $ENV{'request.role'}=~m/^ta\./);
1.192     bowersj2 1712: 
1.131     bowersj2 1713:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 1714: 
1.131     bowersj2 1715:     # "Delete everything after the last slash."
1.119     bowersj2 1716:     $subdir =~ s|/[^/]+$||;
1.162     sakharuk 1717:     if (not $helper->{VARS}->{'construction'}) {
1.302     sakharuk 1718: 	$subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1.153     sakharuk 1719:     }
1.189     bowersj2 1720:     # "Remove all duplicate slashes."
                   1721:     $subdir =~ s|/+|/|g;
1.119     bowersj2 1722: 
1.131     bowersj2 1723:     # What can be printed is a very dynamic decision based on
                   1724:     # lots of factors. So we need to dynamically build this list.
                   1725:     # To prevent security leaks, states are only added to the wizard
                   1726:     # if they can be reached, which ensures manipulating the form input
                   1727:     # won't allow anyone to reach states they shouldn't have permission
                   1728:     # to reach.
                   1729: 
                   1730:     # printChoices is tracking the kind of printing the user can
                   1731:     # do, and will be used in a choices construction later.
                   1732:     # In the meantime we will be adding states and elements to
                   1733:     # the helper by hand.
                   1734:     my $printChoices = [];
                   1735:     my $paramHash;
1.130     sakharuk 1736: 
1.240     albertel 1737:     if ($resourceTitle) {
1.291     sakharuk 1738:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 1739:     }
                   1740: 
1.238     bowersj2 1741:     # Useful filter strings
1.287     albertel 1742:     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1.238     bowersj2 1743:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.287     albertel 1744:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
                   1745:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 1746:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   1747:     my $isMap = '$res->is_map()';
1.342     albertel 1748:     my $symbFilter = '$res->shown_symb()';
                   1749:     my $urlValue = '$res->link()';
1.238     bowersj2 1750: 
                   1751:     $helper->declareVar('SEQUENCE');
                   1752: 
                   1753:     # Useful for debugging: Dump the help vars
                   1754:     #$r->print(Dumper($helper->{VARS}));
                   1755:     #$r->print($map);
                   1756: 
1.131     bowersj2 1757:     # If we're in a sequence...
1.235     bowersj2 1758:     if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.350     foxr     1759: 
1.243     bowersj2 1760: 	$helper->{VARS}->{'postdata'} &&
                   1761: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 1762:         # Allow problems from sequence
1.291     sakharuk 1763:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 1764:         # Allow all resources from sequence
1.291     sakharuk 1765:         push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130     sakharuk 1766: 
1.131     bowersj2 1767:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 1768:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
                   1769:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1770:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1771:               closeallpages="1">
1.144     bowersj2 1772:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1773:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 1774:       <mapurl>$map</mapurl>
1.238     bowersj2 1775:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1776:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 1777:       </resource>
                   1778:     </state>
                   1779: 
1.155     sakharuk 1780:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
                   1781:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1782:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1783:               closeallpages="1">
1.144     bowersj2 1784:       <nextstate>PAGESIZE</nextstate>
1.145     bowersj2 1785:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 1786:       <mapurl>$map</mapurl>
1.238     bowersj2 1787:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1788:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 1789:       </resource>
                   1790:     </state>
                   1791: HELPERFRAGMENT
1.121     bowersj2 1792: 
1.326     sakharuk 1793: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 1794:     }
                   1795: 
1.354     foxr     1796:     # If the user is privileged, allow them to print all 
                   1797:     # problems and resources  in the entier course, optionally for selected students
1.306     sakharuk 1798:     if ($userPriviledged && 
                   1799:         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.350     foxr     1800: 
1.254     sakharuk 1801:         push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1.354     foxr     1802: 	push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
1.284     albertel 1803:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 1804:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
                   1805:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1806:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   1807: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 1808:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1809:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 1810:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 1811:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1812:       <option text='Newpage' variable='FINISHPAGE' />
1.284     albertel 1813:     </resource>
                   1814:   </state>
1.354     foxr     1815:   <state name="ALL_RESOURCES" title="Select Resource(s) to print">
                   1816:     <message>(Mark them then click "next" button) <br /> </message>
                   1817:     <resource variable="RESOURCES" toponly='0' multichoice='1'
                   1818:               suppressEmptySequences='0' addstatus='1' closeallpages='1'>
                   1819:       <nextstate>PAGESIZE</nextstate>
                   1820:       <filterfunc>return $isNotMap; </filterfunc>
                   1821:       <valuefunc>return $symbFilter;</valuefunc>
                   1822:       <option text='NewPage' variable='FINISHPAGE' />
                   1823:     </resource>
                   1824:   </state>
1.284     albertel 1825: ALL_PROBLEMS
1.132     bowersj2 1826: 
1.284     albertel 1827: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 1828: 	    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'];
                   1829: 	    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 1830: 	}
                   1831: 	my $resource_selector=<<RESOURCE_SELECTOR;
                   1832:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 1833:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   1834:               closeallpages="1">
1.254     sakharuk 1835:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 1836:       <mapurl>$map</mapurl>
1.254     sakharuk 1837:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1838:       <option text='New Page' variable='FINISHPAGE' />
1.147     bowersj2 1839:       </resource>
1.155     sakharuk 1840:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 1841:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 1842:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1843:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1844:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1845:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 1846:     </choices>
                   1847:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   1848:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   1849: RESOURCE_SELECTOR
                   1850: 
                   1851:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   1852:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
                   1853:       <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1.352     foxr     1854:       <message><b>Select sort order</b> </message>
1.340     foxr     1855:     <choices variable='student_sort'>
                   1856:       <choice computer='0'>Sort by section then student</choice>
                   1857:       <choice computer='1'>Sort by students across sections.</choice>
                   1858:     </choices>
1.284     albertel 1859:     $resource_selector
                   1860:   </state>
1.131     bowersj2 1861: CHOOSE_STUDENTS
1.292     albertel 1862: 
                   1863: 	my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                   1864: 	my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
                   1865:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   1866: 	my $namechoice='<choice></choice>';
1.337     albertel 1867: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 1868: 	    if ($name =~ /^error: 2 /) { next; }
1.292     albertel 1869: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   1870: 	}
1.284     albertel 1871:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
                   1872:   <state name="CHOOSE_ANON1" title="Select Students and Resources">
1.288     albertel 1873:     <nextstate>PAGESIZE</nextstate>
1.362     albertel 1874:     <message><hr width='33%' /></message>
                   1875:     <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
                   1876:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   1877:        <validator>
                   1878: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                   1879: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
                   1880: 	    return "You need to specify the number of assignments to print";
                   1881: 	}
                   1882: 	return undef;
                   1883:        </validator>
                   1884:     </string>
                   1885:     <message></td></tr><tr><td></message>
                   1886:     <message><b>Names to store the CODEs under for later:</b></message>
                   1887:     <message></td><td></message>
1.288     albertel 1888:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1.362     albertel 1889:     <message></td></tr></table></message>
1.292     albertel 1890:     <message><hr width='33%' /></message>
                   1891:     <message><b>Reprint a set of saved CODEs:</b></message>
                   1892:     <dropdown variable="REUSE_OLD_CODES">
                   1893:         $namechoice
                   1894:     </dropdown>
1.284     albertel 1895:     <message><hr width='33%' /></message>
                   1896:     $resource_selector
                   1897:   </state>
                   1898: CHOOSE_ANON1
1.254     sakharuk 1899: 
1.272     sakharuk 1900: 
1.254     sakharuk 1901: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 1902: 	    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'];
                   1903: 	    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 1904: 	}
1.284     albertel 1905: 	    
                   1906: 
                   1907: 	$resource_selector=<<RESOURCE_SELECTOR;
1.254     sakharuk 1908:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 1909:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   1910:               closeallpages="1">
1.254     sakharuk 1911:       <filterfunc>return $isNotMap;</filterfunc>
                   1912:       <mapurl>$map</mapurl>
                   1913:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1914:       <option text='Newpage' variable='FINISHPAGE' />
1.254     sakharuk 1915:       </resource>
                   1916:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   1917:     <choices variable="EMPTY_PAGES">
                   1918:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1919:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1920:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1921:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 1922:     </choices>
                   1923:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   1924:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   1925: RESOURCE_SELECTOR
                   1926: 
                   1927: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   1928:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
                   1929:     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1.340     foxr     1930:     <choices variable='student_sort'>
                   1931:       <choice computer='0'>Sort by section then student</choice>
                   1932:       <choice computer='1'>Sort by students across sections.</choice>
                   1933:     </choices>
                   1934: 
1.284     albertel 1935:     $resource_selector
1.254     sakharuk 1936:     </state>
                   1937: CHOOSE_STUDENTS1
                   1938: 
1.284     albertel 1939: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
                   1940:   <state name="CHOOSE_ANON2" title="Select Students and Resources">
1.294     albertel 1941:     <nextstate>PAGESIZE</nextstate>
1.362     albertel 1942:     <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
                   1943:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   1944:        <validator>
                   1945: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                   1946: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
                   1947: 	    return "You need to specify the number of assignments to print";
                   1948: 	}
                   1949: 	return undef;
                   1950:        </validator>
                   1951:     </string>
                   1952:     <message></td></tr><tr><td></message>
                   1953:     <message><b>Names to store the CODEs under for later:</b></message>
                   1954:     <message></td><td></message>
1.294     albertel 1955:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1.362     albertel 1956:     <message></td></tr></table></message>
1.294     albertel 1957:     <message><hr width='33%' /></message>
                   1958:     <message><b>Reprint a set of saved CODEs:</b></message>
                   1959:     <dropdown variable="REUSE_OLD_CODES">
                   1960:         $namechoice
                   1961:     </dropdown>
1.284     albertel 1962:     <message><hr width='33%' /></message>
                   1963:     $resource_selector
                   1964:   </state>
                   1965: CHOOSE_ANON2
1.121     bowersj2 1966:     }
                   1967: 
                   1968:     # FIXME: That RE should come from a library somewhere.
1.302     sakharuk 1969:     if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
1.291     sakharuk 1970:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238     bowersj2 1971: 
1.131     bowersj2 1972:         my $f = '$filename';
1.139     bowersj2 1973:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155     sakharuk 1974:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
                   1975:     <message>(mark them then click "next" button) <br /></message>
1.138     bowersj2 1976:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 1977:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 1978:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 1979: CHOOSE_FROM_SUBDIR
                   1980:         
1.238     bowersj2 1981:         # this is broken up because I really want interpolation above,
                   1982:         # and I really DON'T want it below
1.139     bowersj2 1983:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 1984:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   1985: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 1986:       </filefilter>
1.138     bowersj2 1987:       </files>
1.131     bowersj2 1988:     </state>
                   1989: CHOOSE_FROM_SUBDIR
1.139     bowersj2 1990:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 1991:     }
1.238     bowersj2 1992: 
                   1993:     # Allow the user to select any sequence in the course, feed it to
                   1994:     # another resource selector for that sequence
1.239     bowersj2 1995:     if (!$helper->{VARS}->{'construction'}) {
1.254     sakharuk 1996: 	push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1.249     sakharuk 1997: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 1998: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   1999: 	#Escape apostrophes and backslashes for Perl
                   2000: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   2001: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 2002: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 2003:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   2004:     <message>Select the sequence to print resources from:</message>
                   2005:     <resource variable="SEQUENCE">
                   2006:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   2007:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   2008:       <valuefunc>return $urlValue;</valuefunc>
1.350     foxr     2009:       <option text='Newpage' variable='FINISHPAGE' />
1.238     bowersj2 2010:       </resource>
                   2011:     </state>
                   2012:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   2013:     <message>(mark desired resources then click "next" button) <br /></message>
1.287     albertel 2014:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   2015:               closeallpages="1">
1.238     bowersj2 2016:       <nextstate>PAGESIZE</nextstate>
                   2017:       <filterfunc>return $isProblem</filterfunc>
1.244     bowersj2 2018:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 2019:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2020:       <option text='Newpage' variable='FINISHPAGE' />
1.238     bowersj2 2021:       </resource>
                   2022:     </state>
                   2023: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 2024: }
1.131     bowersj2 2025: 
                   2026:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 2027:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 2028:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 2029:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 2030:     Apache::lonhelper::message->new();
                   2031:     $paramHash = Apache::lonhelper::getParamHash();
                   2032:     $paramHash->{'variable'} = 'PRINT_TYPE';
1.137     bowersj2 2033:     $helper->declareVar('PRINT_TYPE');
1.131     bowersj2 2034:     $paramHash->{CHOICES} = $printChoices;
                   2035:     Apache::lonhelper::choices->new();
1.161     bowersj2 2036: 
1.223     bowersj2 2037:     my $startedTable = 0; # have we started an HTML table yet? (need
                   2038:                           # to close it later)
                   2039: 
1.170     sakharuk 2040:     if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or 
                   2041: 	($helper->{VARS}->{'construction'} eq '1')) {
1.242     sakharuk 2042: 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161     bowersj2 2043:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 2044: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   2045: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 2046:         $paramHash->{CHOICES} = [
1.242     sakharuk 2047:                                    ['Without Answers', 'yes'],
                   2048:                                    ['With Answers', 'no'],
1.289     sakharuk 2049:                                    ['Only Answers', 'only'],
                   2050:                                    ['As Exam Problem', 'exam']
                   2051:                                 ];
1.210     sakharuk 2052:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2053: 	addMessage("</td></tr>");
                   2054: 	$startedTable = 1;
1.161     bowersj2 2055:     }
1.209     sakharuk 2056: 
1.203     sakharuk 2057:     if ($ENV{'request.role.adv'}) {
1.223     bowersj2 2058: 	if (!$startedTable) {
                   2059: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
                   2060: 	    $startedTable = 1;
                   2061: 	} else {
                   2062: 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
                   2063: 	}
1.203     sakharuk 2064:         $paramHash = Apache::lonhelper::getParamHash();
                   2065: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   2066: 	$helper->declareVar('LATEX_TYPE');  
                   2067: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   2068: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2069: 				     ['standard LaTeX mode', 'standard'], 
                   2070: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 2071: 	} else {
                   2072: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2073: 				     ['LaTeX batchmode', 'batchmode'],
                   2074: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 2075: 	}
1.210     sakharuk 2076:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 2077:  
1.223     bowersj2 2078: 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209     sakharuk 2079:         $paramHash = Apache::lonhelper::getParamHash();
                   2080: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   2081: 	$helper->declareVar('TABLE_CONTENTS');         
                   2082:         $paramHash->{CHOICES} = [
1.223     bowersj2 2083:                                    ['No', 'no'],
                   2084:                                    ['Yes', 'yes'] ];
1.210     sakharuk 2085:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2086: 	addMessage("</td></tr>");
1.214     sakharuk 2087:         
1.220     sakharuk 2088: 	if (not $helper->{VARS}->{'construction'}) {
1.223     bowersj2 2089: 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220     sakharuk 2090: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2091: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   2092: 	    $helper->declareVar('TABLE_INDEX');         
                   2093: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2094: 				     ['No', 'no'],
                   2095: 				     ['Yes', 'yes'] ];
1.220     sakharuk 2096: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 2097: 	    addMessage("</td></tr>");
1.309     sakharuk 2098: 	    addMessage("<tr><td align='right'>Print Discussions: </td><td>");
                   2099: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2100: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   2101: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   2102: 	    $paramHash->{CHOICES} = [
                   2103: 				     ['No', 'no'],
                   2104: 				     ['Yes', 'yes'] ];
                   2105: 	    Apache::lonhelper::dropdown->new();
                   2106: 	    addMessage("</td></tr>");
1.220     sakharuk 2107: 	}
1.219     sakharuk 2108: 
1.230     albertel 2109: 	if ($helper->{'VARS'}->{'construction'}) { 
1.265     sakharuk 2110: 	    my $stylevalue=$ENV{'construct.style'};
                   2111: 	    my $xmlfrag .= <<"RNDSEED";
1.290     sakharuk 2112: 	    <message><tr><td align='right'>Use random seed:  </td><td></message>
1.230     albertel 2113: 	    <string variable="curseed" size="15" maxlength="15">
                   2114: 		<defaultvalue>
                   2115: 	            return $helper->{VARS}->{'curseed'};
                   2116: 	        </defaultvalue>
1.262     sakharuk 2117: 	    </string>
1.264     sakharuk 2118: 	     <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1.265     sakharuk 2119:              <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1.230     albertel 2120:              <message></td></tr></message>
                   2121: RNDSEED
                   2122:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.264     sakharuk 2123: 	    $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1.219     sakharuk 2124: 	}
1.223     bowersj2 2125:     }
1.264     sakharuk 2126: 
                   2127: 
                   2128: 
1.218     sakharuk 2129: 
1.223     bowersj2 2130:     if ($startedTable) {
                   2131: 	addMessage("</table>");
1.215     sakharuk 2132:     }
1.161     bowersj2 2133: 
1.131     bowersj2 2134:     Apache::lonprintout::page_format_state->new("FORMAT");
                   2135: 
1.144     bowersj2 2136:     # Generate the PAGESIZE state which will offer the user the margin
                   2137:     # choices if they select one column
                   2138:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   2139:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   2140: 
                   2141: 
1.131     bowersj2 2142:     $helper->process();
                   2143: 
                   2144:     # MANUAL BAILOUT CONDITION:
                   2145:     # If we're in the "final" state, bailout and return to handler
                   2146:     if ($helper->{STATE} eq 'FINAL') {
                   2147:         return $helper;
                   2148:     }    
1.130     sakharuk 2149: 
1.131     bowersj2 2150:     $r->print($helper->display());
1.130     sakharuk 2151: 
1.333     albertel 2152:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 2153: 
                   2154:     return OK;
                   2155: }
                   2156: 
1.1       www      2157: 
                   2158: 1;
1.119     bowersj2 2159: 
                   2160: package Apache::lonprintout::page_format_state;
                   2161: 
                   2162: =pod
                   2163: 
1.131     bowersj2 2164: =head1 Helper element: page_format_state
                   2165: 
                   2166: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 2167: 
1.131     bowersj2 2168: Apache::lonprintout::page_format_state is an element that gives the 
                   2169: user an opportunity to select the page layout they wish to print 
                   2170: with: Number of columns, portrait/landscape, and paper size. If you 
                   2171: want to change the paper size choices, change the @paperSize array 
                   2172: contents in this package.
1.119     bowersj2 2173: 
1.131     bowersj2 2174: page_format_state is always directly invoked in lonprintout.pm, so there
                   2175: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 2176: 
                   2177: =over 4
                   2178: 
1.131     bowersj2 2179: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 2180: 
                   2181: =back
                   2182: 
                   2183: =cut
                   2184: 
1.131     bowersj2 2185: use Apache::lonhelper;
1.119     bowersj2 2186: 
                   2187: no strict;
1.131     bowersj2 2188: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 2189: use strict;
1.266     sakharuk 2190: use Apache::lonlocal;
1.119     bowersj2 2191: 
                   2192: my $maxColumns = 2;
1.326     sakharuk 2193: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.327     albertel 2194:                  "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
1.326     sakharuk 2195:                  "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   2196:                  "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.119     bowersj2 2197: 
                   2198: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   2199: #                   Paper type
                   2200: 
                   2201: sub new { 
1.131     bowersj2 2202:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 2203: 
1.135     bowersj2 2204:     shift;
                   2205: 
1.131     bowersj2 2206:     $self->{'variable'} = shift;
1.134     bowersj2 2207:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 2208:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 2209:     bless($self);
1.119     bowersj2 2210:     return $self;
                   2211: }
                   2212: 
                   2213: sub render {
                   2214:     my $self = shift;
1.131     bowersj2 2215:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 2216:     my $result = '';
1.131     bowersj2 2217:     my $var = $self->{'variable'};
1.266     sakharuk 2218:     my $PageLayout=&mt('Page layout');
                   2219:     my $NumberOfColumns=&mt('Number of columns');
                   2220:     my $PaperType=&mt('Paper type');
1.119     bowersj2 2221:     $result .= <<STATEHTML;
                   2222: 
1.223     bowersj2 2223: <hr width="33%" />
1.119     bowersj2 2224: <table cellpadding="3">
                   2225:   <tr>
1.266     sakharuk 2226:     <td align="center"><b>$PageLayout</b></td>
                   2227:     <td align="center"><b>$NumberOfColumns</b></td>
                   2228:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 2229:   </tr>
                   2230:   <tr>
                   2231:     <td>
1.155     sakharuk 2232:       <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
                   2233:       <input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait
1.119     bowersj2 2234:     </td>
1.155     sakharuk 2235:     <td align="center">
1.119     bowersj2 2236:       <select name="${var}.cols">
                   2237: STATEHTML
                   2238: 
                   2239:     my $i;
                   2240:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 2241:         if ($i == 2) {
1.119     bowersj2 2242:             $result .= "<option value='$i' selected>$i</option>\n";
                   2243:         } else {
                   2244:             $result .= "<option value='$i'>$i</option>\n";
                   2245:         }
                   2246:     }
                   2247: 
                   2248:     $result .= "</select></td><td>\n";
                   2249:     $result .= "<select name='${var}.paper'>\n";
                   2250: 
1.304     sakharuk 2251:     my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
                   2252:     my $DefaultPaperSize=$parmhash{'default_paper_size'};
                   2253:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 2254:     $i = 0;
                   2255:     foreach (@paperSize) {
1.326     sakharuk 2256: 	$_=~/(\w+)/;
                   2257: 	my $papersize=$1;
1.304     sakharuk 2258:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.326     sakharuk 2259:             $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2260:         } else {
1.326     sakharuk 2261:             $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2262:         }
                   2263:         $i++;
                   2264:     }
                   2265:     $result .= "</select></td></tr></table>";
                   2266:     return $result;
1.135     bowersj2 2267: }
                   2268: 
                   2269: sub postprocess {
                   2270:     my $self = shift;
                   2271: 
                   2272:     my $var = $self->{'variable'};
1.136     bowersj2 2273:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 2274:     $helper->{VARS}->{$var} = 
1.136     bowersj2 2275:         $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
                   2276:         $ENV{"form.$var.paper"};
1.135     bowersj2 2277:     return 1;
1.119     bowersj2 2278: }
                   2279: 
                   2280: 1;
1.144     bowersj2 2281: 
                   2282: package Apache::lonprintout::page_size_state;
                   2283: 
                   2284: =pod
                   2285: 
                   2286: =head1 Helper element: page_size_state
                   2287: 
                   2288: See lonhelper.pm documentation for discussion of the helper framework.
                   2289: 
                   2290: Apache::lonprintout::page_size_state is an element that gives the 
                   2291: user the opportunity to further refine the page settings if they
                   2292: select a single-column page.
                   2293: 
                   2294: page_size_state is always directly invoked in lonprintout.pm, so there
                   2295: is no tag interface. You actually pass parameters to the constructor.
                   2296: 
                   2297: =over 4
                   2298: 
                   2299: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   2300: 
                   2301: =back
                   2302: 
                   2303: =cut
                   2304: 
                   2305: use Apache::lonhelper;
                   2306: 
                   2307: no strict;
                   2308: @ISA = ("Apache::lonhelper::element");
                   2309: use strict;
                   2310: 
                   2311: 
                   2312: 
                   2313: sub new { 
                   2314:     my $self = Apache::lonhelper::element->new();
                   2315: 
                   2316:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   2317:            # package descriptor)... - Jeremy
                   2318: 
                   2319:     $self->{'variable'} = shift;
                   2320:     my $helper = Apache::lonhelper::getHelper();
                   2321:     $helper->declareVar($self->{'variable'});
                   2322: 
                   2323:     # The variable name of the format element, so we can look into 
                   2324:     # $helper->{VARS} to figure out whether the columns are one or two
                   2325:     $self->{'formatvar'} = shift;
                   2326: 
                   2327:     # The state to transition to after selection, or after discovering
                   2328:     # the cols are not set to 1
                   2329:     $self->{NEXTSTATE} = shift;
                   2330:     bless($self);
                   2331:     return $self;
                   2332: }
                   2333: 
                   2334: sub render {
                   2335:     my $self = shift;
                   2336:     my $helper = Apache::lonhelper::getHelper();
                   2337:     my $result = '';
                   2338:     my $var = $self->{'variable'};
                   2339: 
                   2340:     if (defined $self->{ERROR_MSG}) {
                   2341:         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
                   2342:     }
                   2343: 
                   2344:     $result .= <<ELEMENTHTML;
                   2345: 
                   2346: <p>How should the column be formatted?</p>
                   2347: 
                   2348: <table cellpadding='3'>
                   2349:   <tr>
                   2350:     <td align='right'><b>Width</b>:</td>
                   2351:     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
                   2352:     <td align='left'>
                   2353:       <select name='$var.widthunit'>
                   2354:         <option>cm</option><option>in</option>
                   2355:       </select>
                   2356:     </td>
                   2357:   </tr>
                   2358:   <tr>
                   2359:     <td align='right'><b>Height</b>:</td>
                   2360:     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
                   2361:     <td align='left'>
                   2362:       <select name='$var.heightunit'>
                   2363:         <option>cm</option><option>in</option>
                   2364:       </select>
                   2365:     </td>
                   2366:   </tr>
                   2367:   <tr>
                   2368:     <td align='right'><b>Left margin</b>:</td>
                   2369:     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
                   2370:     <td align='left'>
1.186     bowersj2 2371:       <select name='$var.lmarginunit'>
1.144     bowersj2 2372:         <option>cm</option><option>in</option>
                   2373:       </select>
                   2374:     </td>
                   2375:   </tr>
                   2376: </table>
                   2377: 
                   2378: <p>Hint: Some instructors like to leave scratch space for the student by
1.280     albertel 2379: making the width much smaller than the width of the page.</p>
1.144     bowersj2 2380: 
                   2381: ELEMENTHTML
                   2382: 
                   2383:     return $result;
                   2384: }
                   2385: 
                   2386: # If the user didn't select 1 column, skip this state.
                   2387: sub preprocess {
                   2388:     my $self = shift;
                   2389:     my $helper = Apache::lonhelper::getHelper();
                   2390: 
                   2391:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   2392:     if (substr($format, 2, 1) ne '1') {
                   2393:         $helper->changeState($self->{NEXTSTATE});
                   2394:     }
                   2395:    
                   2396:     return 1;
                   2397: }
                   2398: 
                   2399: sub postprocess {
                   2400:     my $self = shift;
                   2401: 
                   2402:     my $var = $self->{'variable'};
                   2403:     my $helper = Apache::lonhelper->getHelper();
                   2404:     my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"}; 
                   2405:     my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"}; 
                   2406:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"}; 
                   2407:     $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"}; 
                   2408:     $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"}; 
                   2409:     $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"}; 
                   2410: 
                   2411:     my $error = '';
                   2412: 
                   2413:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   2414:     # by an optional period, followed by digits, ending the string
                   2415: 
                   2416:     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2417:         $error .= "Invalid width; please type only a number.<br />\n";
                   2418:     }
                   2419:     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2420:         $error .= "Invalid height; please type only a number.<br />\n";
                   2421:     }
                   2422:     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2423:         $error .= "Invalid left margin; please type only a number.<br />\n";
                   2424:     }
                   2425: 
                   2426:     if (!$error) {
                   2427:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   2428:         return 1;
                   2429:     } else {
                   2430:         $self->{ERROR_MSG} = $error;
                   2431:         return 0;
                   2432:     }
                   2433: }
                   2434: 
                   2435: 
1.119     bowersj2 2436: 
1.1       www      2437: __END__
1.6       sakharuk 2438: 

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