Annotation of loncom/interface/lonprintout.pm, revision 1.253

1.1       www         1: # The LearningOnline Network
                      2: # Printout
                      3: #
1.253   ! sakharuk    4: # $Id: lonprintout.pm,v 1.252 2003/10/06 13:19:57 sakharuk Exp $
1.11      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.1       www        28: # (Internal Server Error Handler
                     29: #
                     30: # (Login Screen
                     31: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
                     32: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
                     33: #
                     34: # 3/1/1 Gerd Kortemeyer)
                     35: #
                     36: # 3/1 Gerd Kortemeyer
                     37: #
1.3       sakharuk   38: # 9/17 Alex Sakharuk
                     39: #
1.1       www        40: package Apache::lonprintout;
                     41: 
                     42: use strict;
1.10      albertel   43: use Apache::Constants qw(:common :http);
1.2       sakharuk   44: use Apache::lonxml;
                     45: use Apache::lonnet;
1.54      sakharuk   46: use Apache::loncommon;
1.13      sakharuk   47: use Apache::inputtags;
1.54      sakharuk   48: use Apache::grades;
1.13      sakharuk   49: use Apache::edit;
1.5       sakharuk   50: use Apache::File();
1.68      sakharuk   51: use Apache::lonnavmaps;
1.227     sakharuk   52: use Apache::lonratedt;
1.34      sakharuk   53: use POSIX qw(strftime);
1.60      sakharuk   54: use GDBM_File;
                     55: 
                     56: 
                     57: my %hash;
1.76      sakharuk   58: my $LaTeXwidth = 0;
1.3       sakharuk   59: 
1.2       sakharuk   60: 
1.71      sakharuk   61: sub latex_header_footer_remove {
                     62:     my $text = shift;
                     63:     $text =~ s/\\end{document}//;
                     64:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                     65:     return $text;
                     66: }
                     67: 
                     68: 
1.37      sakharuk   69: sub character_chart {
                     70:     my $result = shift;	
1.116     sakharuk   71:     $result =~ s/&\#0?0?(7|9);//g;
                     72:     $result =~ s/&\#0?(10|13);//g;
                     73:     $result =~ s/&\#0?32;/ /g;
                     74:     $result =~ s/&\#0?33;/!/g;
                     75:     $result =~ s/&(\#0?34|quot);/\"/g;
                     76:     $result =~ s/&\#0?35;/\\\#/g;
                     77:     $result =~ s/&\#0?36;/\\\$/g;
                     78:     $result =~ s/&\#0?37;/\\%/g; 
                     79:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                     80:     $result =~ s/&\#(0?39|146);/\'/g;
                     81:     $result =~ s/&\#0?40;/(/g;
                     82:     $result =~ s/&\#0?41;/)/g;
                     83:     $result =~ s/&\#0?42;/\*/g;
                     84:     $result =~ s/&\#0?43;/\+/g;
                     85:     $result =~ s/&\#(0?44|130);/,/g;
                     86:     $result =~ s/&\#0?45;/-/g;
                     87:     $result =~ s/&\#0?46;/\./g;
                     88:     $result =~ s/&\#0?47;/\//g;
                     89:     $result =~ s/&\#0?48;/0/g;
                     90:     $result =~ s/&\#0?49;/1/g;
                     91:     $result =~ s/&\#0?50;/2/g;
                     92:     $result =~ s/&\#0?51;/3/g;
                     93:     $result =~ s/&\#0?52;/4/g;
                     94:     $result =~ s/&\#0?53;/5/g;
                     95:     $result =~ s/&\#0?54;/6/g;
                     96:     $result =~ s/&\#0?55;/7/g;
                     97:     $result =~ s/&\#0?56;/8/g;
                     98:     $result =~ s/&\#0?57;/9/g;
                     99:     $result =~ s/&\#0?58;/:/g;
                    100:     $result =~ s/&\#0?59;/;/g;
                    101:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
                    102:     $result =~ s/&\#0?61;/\$=\$/g;
                    103:     $result =~ s/&(\#0?62|gt|\#155);/\$>\$/g;
                    104:     $result =~ s/&\#0?63;/\?/g;
                    105:     $result =~ s/&\#0?65;/A/g;
                    106:     $result =~ s/&\#0?66;/B/g;
                    107:     $result =~ s/&\#0?67;/C/g;
                    108:     $result =~ s/&\#0?68;/D/g;
                    109:     $result =~ s/&\#0?69;/E/g;
                    110:     $result =~ s/&\#0?70;/F/g;
                    111:     $result =~ s/&\#0?71;/G/g;
                    112:     $result =~ s/&\#0?72;/H/g;
                    113:     $result =~ s/&\#0?73;/I/g;
                    114:     $result =~ s/&\#0?74;/J/g;
                    115:     $result =~ s/&\#0?75;/K/g;
                    116:     $result =~ s/&\#0?76;/L/g;
                    117:     $result =~ s/&\#0?77;/M/g;
                    118:     $result =~ s/&\#0?78;/N/g;
                    119:     $result =~ s/&\#0?79;/O/g;
                    120:     $result =~ s/&\#0?80;/P/g;
                    121:     $result =~ s/&\#0?81;/Q/g;
                    122:     $result =~ s/&\#0?82;/R/g;
                    123:     $result =~ s/&\#0?83;/S/g;
                    124:     $result =~ s/&\#0?84;/T/g;
                    125:     $result =~ s/&\#0?85;/U/g;
                    126:     $result =~ s/&\#0?86;/V/g;
                    127:     $result =~ s/&\#0?87;/W/g;
                    128:     $result =~ s/&\#0?88;/X/g;
                    129:     $result =~ s/&\#0?89;/Y/g;
                    130:     $result =~ s/&\#0?90;/Z/g;
                    131:     $result =~ s/&\#0?91;/[/g;
                    132:     $result =~ s/&\#0?92;/\$\\setminus\$/g;
                    133:     $result =~ s/&\#0?93;/]/g;
                    134:     $result =~ s/&\#(0?94|136);/\$\\wedge\$/g;
                    135:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    136:     $result =~ s/&\#(0?96|145);/\`/g;
                    137:     $result =~ s/&\#0?97;/a/g;
                    138:     $result =~ s/&\#0?98;/b/g;
                    139:     $result =~ s/&\#0?99;/c/g;
                    140:     $result =~ s/&\#100;/d/g;
                    141:     $result =~ s/&\#101;/e/g;
                    142:     $result =~ s/&\#102;/f/g;
                    143:     $result =~ s/&\#103;/g/g;
                    144:     $result =~ s/&\#104;/h/g;
                    145:     $result =~ s/&\#105;/i/g;
                    146:     $result =~ s/&\#106;/j/g;
                    147:     $result =~ s/&\#107;/k/g;
                    148:     $result =~ s/&\#108;/l/g;
                    149:     $result =~ s/&\#109;/m/g;
                    150:     $result =~ s/&\#110;/n/g;
                    151:     $result =~ s/&\#111;/o/g;
                    152:     $result =~ s/&\#112;/p/g;
                    153:     $result =~ s/&\#113;/q/g;
                    154:     $result =~ s/&\#114;/r/g;
                    155:     $result =~ s/&\#115;/s/g;
                    156:     $result =~ s/&\#116;/t/g;
                    157:     $result =~ s/&\#117;/u/g;
                    158:     $result =~ s/&\#118;/v/g;
                    159:     $result =~ s/&\#119;/w/g;
                    160:     $result =~ s/&\#120;/x/g;
                    161:     $result =~ s/&\#121;/y/g;
                    162:     $result =~ s/&\#122;/z/g;
                    163:     $result =~ s/&\#123;/\\{/g;
                    164:     $result =~ s/&\#124;/\|/g;
                    165:     $result =~ s/&\#125;/\\}/g;
                    166:     $result =~ s/&\#126;/\~/g;
                    167:     $result =~ s/&\#131;/\\textflorin /g;
                    168:     $result =~ s/&\#132;/\"/g;
                    169:     $result =~ s/&\#133;/\$\\ldots\$/g;
                    170:     $result =~ s/&\#134;/\$\\dagger\$/g;
                    171:     $result =~ s/&\#135;/\$\\ddagger\$/g;
                    172:     $result =~ s/&\#137;/\\textperthousand /g;
                    173:     $result =~ s/&\#140;/{\\OE}/g;
                    174:     $result =~ s/&\#147;/\`\`/g;
                    175:     $result =~ s/&\#148;/\'\'/g;
                    176:     $result =~ s/&\#149;/\$\\bullet\$/g;
                    177:     $result =~ s/&\#150;/--/g;
                    178:     $result =~ s/&\#151;/---/g;
                    179:     $result =~ s/&\#152;/\$\\sim\$/g;
                    180:     $result =~ s/&\#153;/\\texttrademark /g;
                    181:     $result =~ s/&\#156;/\\oe/g;
                    182:     $result =~ s/&\#159;/\\\"Y/g;
1.131     bowersj2  183:     $result =~ s/&(\#160|nbsp);//g;
1.116     sakharuk  184:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    185:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    186:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    187:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    188:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    189:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    190:     $result =~ s/&(\#167|sect);/\\textsection /g;
                    191:     $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
                    192:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    193:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
                    194:     $result =~ s/&(\#172|not);/\$\\neg\$/g;
                    195:     $result =~ s/&(\#173|shy);/ - /g;
                    196:     $result =~ s/&(\#174|reg);/\\textregistered /g;
                    197:     $result =~ s/&(\#175|macr);/\$^{-}\$/g;
                    198:     $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g;
                    199:     $result =~ s/&(\#177|plusmn);/\$\\pm\$/g;
                    200:     $result =~ s/&(\#178|sup2);/\$^2\$/g;
                    201:     $result =~ s/&(\#179|sup3);/\$^3\$/g;
                    202:     $result =~ s/&(\#180|acute);/\\textacute /g;
                    203:     $result =~ s/&(\#181|micro);/\$\\mu\$/g;
                    204:     $result =~ s/&(\#182|para);/\\P/g;
                    205:     $result =~ s/&(\#183|middot);/\$\\cdot\$/g;
                    206:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
                    207:     $result =~ s/&(\#185|sup1);/\$^1\$/g;
                    208:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    209:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    210:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    211:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    212:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    213:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    214:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    215:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    216:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    217:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    218:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    219:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    220:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    221:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    222:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    223:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    224:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    225:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    226:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    227:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    228:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    229:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    230:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    231:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    232:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    233:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    234:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
                    235:     $result =~ s/&(\#215|times);/\$\\times\$/g;
                    236:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    237:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    238:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    239:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    240:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    241:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
                    242:     $result =~ s/&(\#223|szlig);/\\ss/g;
                    243:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    244:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    245:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    246:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    247:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    248:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    249:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    250:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    251:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    252:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    253:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    254:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    255:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    256:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    257:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    258:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
                    259:     $result =~ s/&(\#240|eth);/\$\\partial\$/g;
                    260:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    261:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    262:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    263:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    264:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    265:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
                    266:     $result =~ s/&(\#247|divide);/\$\\div\$/g;
                    267:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    268:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    269:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    270:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    271:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    272:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    273:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
                    274:     $result =~ s/&\#952;/\$\\theta\$/g;
1.117     sakharuk  275: #Greek Alphabet
                    276:     $result =~ s/&(alpha|\#945);/\$\\alpha \$/g;
                    277:     $result =~ s/&(beta|\#946);/\$\\beta \$/g;
                    278:     $result =~ s/&(gamma|\#947);/\$\\gamma \$/g;
                    279:     $result =~ s/&(delta|\#948);/\$\\delta \$/g;
                    280:     $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g;
                    281:     $result =~ s/&(zeta|\#950);/\$\\zeta \$/g;
                    282:     $result =~ s/&(eta|\#951);/\$\\eta \$/g;
                    283:     $result =~ s/&(theta|\#952);/\$\\theta \$/g;
                    284:     $result =~ s/&(iota|\#953);/\$\\iota \$/g;
                    285:     $result =~ s/&(kappa|\#954);/\$\\kappa \$/g;
                    286:     $result =~ s/&(lambda|\#955);/\$\\lambda \$/g;
                    287:     $result =~ s/&(mu|\#956);/\$\\mu \$/g;
                    288:     $result =~ s/&(nu|\#957);/\$\\nu \$/g;
                    289:     $result =~ s/&(xi|\#958);/\$\\xi \$/g;
1.199     sakharuk  290:     $result =~ s/&(omicron|\#959);/o/g;
1.117     sakharuk  291:     $result =~ s/&(pi|\#960);/\$\\pi \$/g;
                    292:     $result =~ s/&(rho|\#961);/\$\\rho \$/g;
                    293:     $result =~ s/&(sigma|\#963);/\$\\sigma \$/g;
                    294:     $result =~ s/&(tau|\#964);/\$\\tau \$/g;
                    295:     $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g;
                    296:     $result =~ s/&(phi|\#966);/\$\\phi \$/g;
                    297:     $result =~ s/&(chi|\#967);/\$\\chi \$/g;
                    298:     $result =~ s/&(psi|\#968);/\$\\psi \$/g;
                    299:     $result =~ s/&(omega|\#969);/\$\\omega \$/g;
1.199     sakharuk  300:     $result =~ s/&(thetasym|\#977);/\$\\vartheta \$/g;
                    301:     $result =~ s/&(piv|\#982);/\$\\varpi \$/g;
                    302:     $result =~ s/&(Alpha|\#913);/A/g;
                    303:     $result =~ s/&(Beta|\#914);/B/g;
1.117     sakharuk  304:     $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g;
                    305:     $result =~ s/&(Delta|\#916);/\$\\Delta \$/g;
1.199     sakharuk  306:     $result =~ s/&(Epsilon|\#917);/E/g;
                    307:     $result =~ s/&(Zeta|\#918);/Z/g;
                    308:     $result =~ s/&(Eta|\#919);/H/g;
1.117     sakharuk  309:     $result =~ s/&(Theta|\#920);/\$\\Theta \$/g;
1.199     sakharuk  310:     $result =~ s/&(Iota|\#921);/I/g;
                    311:     $result =~ s/&(Kappa|\#922);/K/g;
1.117     sakharuk  312:     $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g;
1.199     sakharuk  313:     $result =~ s/&(Mu|\#924);/M/g;
                    314:     $result =~ s/&(Nu|\#925);/N/g;
1.117     sakharuk  315:     $result =~ s/&(Xi|\#926);/\$\\Xi \$/g;
1.199     sakharuk  316:     $result =~ s/&(Omicron|\#927);/O/g;
1.117     sakharuk  317:     $result =~ s/&(Pi|\#928);/\$\\Pi \$/g;
1.199     sakharuk  318:     $result =~ s/&(Rho|\#929);/P/g;
1.117     sakharuk  319:     $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g;
1.199     sakharuk  320:     $result =~ s/&(Tau|\#932);/T/g;
1.117     sakharuk  321:     $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g;
                    322:     $result =~ s/&(Phi|\#934);/\$\\Phi \$/g;
1.199     sakharuk  323:     $result =~ s/&(Chi|\#935);/X/g;
1.117     sakharuk  324:     $result =~ s/&(Psi|\#936);/\$\\Psi \$/g;
                    325:     $result =~ s/&(Omega|\#937);/\$\\Omega \$/g;
1.199     sakharuk  326: #Arrows (extended HTML 4.01)
                    327:     $result =~ s/&(larr|\#8592);/\$\\leftarrow \$/g;
                    328:     $result =~ s/&(uarr|\#8593);/\$\\uparrow \$/g;
                    329:     $result =~ s/&(rarr|\#8594);/\$\\rightarrow \$/g;
                    330:     $result =~ s/&(darr|\#8595);/\$\\downarrow \$/g;
                    331:     $result =~ s/&(harr|\#8596);/\$\\leftrightarrow \$/g;
                    332:     $result =~ s/&(lArr|\#8656);/\$\\Leftarrow \$/g;
                    333:     $result =~ s/&(uArr|\#8657);/\$\\Uparrow \$/g;
                    334:     $result =~ s/&(rArr|\#8658);/\$\\Rightarrow \$/g;
                    335:     $result =~ s/&(dArr|\#8659);/\$\\Downarrow \$/g;
                    336:     $result =~ s/&(hArr|\#8660);/\$\\Leftrightarrow \$/g;
                    337: #Mathematical Operators (extended HTML 4.01)
                    338:     $result =~ s/&(forall|\#8704);/\$\\forall \$/g;
                    339:     $result =~ s/&(part|\#8706);/\$\\partial \$/g;
                    340:     $result =~ s/&(exist|\#8707);/\$\\exists \$/g;
                    341:     $result =~ s/&(empty|\#8709);/\$\\emptyset \$/g;
                    342:     $result =~ s/&(nabla|\#8711);/\$\\nabla \$/g;
                    343:     $result =~ s/&(isin|\#8712);/\$\\in \$/g;
                    344:     $result =~ s/&(notin|\#8713);/\$\\notin \$/g;
                    345:     $result =~ s/&(ni|\#8715);/\$\\ni \$/g;
                    346:     $result =~ s/&(prod|\#8719);/\$\\prod \$/g;
                    347:     $result =~ s/&(sum|\#8721);/\$\\sum \$/g;
                    348:     $result =~ s/&(minus|\#8722);/\$-\$/g;
                    349:     $result =~ s/&(lowast|\#8727);/\$*\$/g;
                    350:     $result =~ s/&(radic|\#8730);/\$\\surd \$/g;
                    351:     $result =~ s/&(prop|\#8733);/\$\\propto \$/g;
                    352:     $result =~ s/&(infin|\#8734);/\$\\infty \$/g;
                    353:     $result =~ s/&(ang|\#8736);/\$\\angle \$/g;
                    354:     $result =~ s/&(and|\#8743);/\$\\wedge \$/g;
                    355:     $result =~ s/&(or|\#8744);/\$\\vee \$/g;
                    356:     $result =~ s/&(cap|\#8745);/\$\\cap \$/g;
                    357:     $result =~ s/&(cup|\#8746);/\$\\cup \$/g;
                    358:     $result =~ s/&(int|\#8747);/\$\\int \$/g;
                    359:     $result =~ s/&(sim|\#8764);/\$\\sim \$/g;
                    360:     $result =~ s/&(cong|\#8773);/\$\\cong \$/g;
                    361:     $result =~ s/&(asymp|\#8776);/\$\\approx \$/g;
                    362:     $result =~ s/&(ne|\#8800);/\$\\not= \$/g;
                    363:     $result =~ s/&(equiv|\#8801);/\$\\equiv \$/g;
                    364:     $result =~ s/&(le|\#8804);/\$\\leq \$/g;
                    365:     $result =~ s/&(ge|\#8805);/\$\\geq \$/g;
                    366:     $result =~ s/&(sub|\#8834);/\$\\subset \$/g;
                    367:     $result =~ s/&(sup|\#8835);/\$\\supset \$/g;
                    368:     $result =~ s/&(nsub|\#8836);/\$\\not\\subset \$/g;
                    369:     $result =~ s/&(sube|\#8838);/\$\\subseteq \$/g;
                    370:     $result =~ s/&(supe|\#8839);/\$\\supseteq \$/g;
                    371:     $result =~ s/&(oplus|\#8853);/\$\\oplus \$/g;
                    372:     $result =~ s/&(otimes|\#8855);/\$\\otimes \$/g;
                    373:     $result =~ s/&(perp|\#8869);/\$\\perp \$/g;
                    374:     $result =~ s/&(sdot|\#8901);/\$\\cdot \$/g;
                    375: #Geometric Shapes (extended HTML 4.01)
                    376:     $result =~ s/&(loz|\#9674);/\$\\Diamond \$/g;
                    377: #Miscellaneous Symbols (extended HTML 4.01)
                    378:     $result =~ s/&(spades|\#9824);/\$\\spadesuit \$/g;
                    379:     $result =~ s/&(clubs|\#9827);/\$\\clubsuit \$/g;
                    380:     $result =~ s/&(hearts|\#9829);/\$\\heartsuit \$/g;
                    381:     $result =~ s/&(diams|\#9830);/\$\\diamondsuit \$/g;
1.37      sakharuk  382:     return $result;
                    383: }
1.41      sakharuk  384: 
                    385: 
1.177     sakharuk  386: sub page_format {
1.140     sakharuk  387: #
                    388: #Correspondence between $papersize variable and real paper format:
                    389: # 0 - "Letter [8 1/2x11 in]"
                    390: # 1 - "Legal [8 1/2x14 in]"
                    391: # 2 - "Ledger/Tabloid [11x17 in]"
                    392: # 3 - "Executive [7 1/2x10 in]"
                    393: # 4 - "A2 [420x594 mm]"
                    394: # 5 - "A3 [297x420 mm]"
                    395: # 6 - "A4 [210x297 mm]"
                    396: # 7 - "A5 [148x210 mm]"
                    397: # 8 - "A6 [105x148 mm]"
                    398: # 
                    399:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.202     sakharuk  400:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = (0,0,0,0,0);
1.140     sakharuk  401:     if ($papersize eq '0') {
                    402: 	if ($layout eq 'book') {
                    403: 	    if ($numberofcolumns == 1) {
1.190     sakharuk  404: 		$textwidth = '7.1 in';      #'18 cm';
                    405: 		$textheight = '10.2 in';    #'25.9 cm';
1.140     sakharuk  406: 		$oddoffset = '-0.57 in';
                    407: 		$evenoffset = '-0.57 in';
                    408: 	    } elsif ($numberofcolumns == 2) {
1.190     sakharuk  409: 		$textwidth = '3.66 in';     #'93 mm';
                    410: 		$textheight = '10.2 in';    #'25.9 cm';
1.140     sakharuk  411: 		$oddoffset = '-0.57 in';
                    412: 		$evenoffset = '-0.57 in';
                    413: 	    }
                    414: 	} elsif ($layout eq 'album') {
                    415: 	    if ($numberofcolumns eq '1') {
                    416: 		$textwidth = '8.8 in';
                    417: 		$textheight = '6.8 in';
                    418: 		$oddoffset = '-40 pt';
                    419: 		$evenoffset = '-60 pt';
                    420: 	    } elsif ($numberofcolumns == 2) {
1.202     sakharuk  421: 		$textwidth = '4.4 in';
1.140     sakharuk  422: 		$textheight = '6.8 in';
1.202     sakharuk  423: 		$oddoffset = '-0.5 in';
                    424: 		$evenoffset = '-1.5 in';
                    425: 		$topmargin = '3.5 in';
1.140     sakharuk  426: 	    }
                    427: 	}
                    428: #    } elsif($papersize eq '1') {
                    429: #    } elsif($papersize eq '2') {
                    430: #    } elsif($papersize eq '3'/) {
                    431:     } elsif($papersize eq '6') {
                    432: 	if ($layout eq 'book') {
                    433: 	    if ($numberofcolumns == 1) {
                    434: 		$textwidth = '18 cm';
                    435: 		$textheight = '28 cm';
                    436: 		$oddoffset = '-0.57 in';
                    437: 		$evenoffset = '-0.57 in';
                    438: 	    } elsif ($numberofcolumns == 2) {
                    439: 		$textwidth = '96 mm';
                    440: 		$textheight = '2 cm';
                    441: 		$oddoffset = '-0.57 in';
                    442: 		$evenoffset = '-0.57 in';
                    443: 	    }
                    444: 	} elsif ($layout eq 'album') {
                    445: 	    if ($numberofcolumns eq '1') {
                    446: 		$textwidth = '8.5 in';
                    447: 		$textheight = '7.7 in';
                    448: 		$oddoffset = '-40 pt';
                    449: 		$evenoffset = '-60 pt';
                    450: 	    } elsif ($numberofcolumns == 2) {
                    451: 		$textwidth = '3.9 in';
                    452: 		$textheight = '7.7 in';
                    453: 		$oddoffset = '-40 pt';
                    454: 		$evenoffset = '-60 pt';
                    455: 	    }
                    456: 	}
                    457: #    } elsif($papersize eq '5') {
                    458: #    } elsif($papersize eq '4') {
                    459: #    } elsif($papersize eq '7') {
                    460: #    } elsif($papersize eq '8') {
1.76      sakharuk  461:     }
1.202     sakharuk  462:     return $textwidth,$textheight,$oddoffset,$evenoffset,$topmargin;
1.140     sakharuk  463: }
1.76      sakharuk  464: 
                    465: 
1.126     albertel  466: sub get_name {
                    467:     my ($uname,$udom)=@_;
                    468:     if (!defined($uname)) { $uname=$ENV{'user.name'}; }
1.212     albertel  469:     if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
1.126     albertel  470:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel  471:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
                    472:     $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
                    473:     return $plainname;
1.126     albertel  474: }
                    475: 
1.213     albertel  476: sub get_course {
                    477:     my $courseidinfo;
                    478:     if (defined($ENV{'request.course.id'})) {
                    479: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
                    480:     }
                    481:     return $courseidinfo;
                    482: }
1.177     sakharuk  483: 
1.76      sakharuk  484: sub page_format_transformation {
1.214     sakharuk  485:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist) = @_; 
1.202     sakharuk  486:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.222     sakharuk  487:     $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1.213     albertel  488:     if ($numberofcolumns != 1) {
                    489: 	($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
                    490:     } else {
                    491: 	($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'});
                    492:     }
1.126     albertel  493:     my $name = &get_name();
1.213     albertel  494:     my $courseidinfo = &get_course();
                    495:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.140     sakharuk  496:     if ($layout eq 'album') {
1.202     sakharuk  497: 	my $topmargintoinsert = '';
                    498: 	if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.213     albertel  499: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}} \\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1} /;
1.140     sakharuk  500:     } elsif ($layout eq 'book') {
                    501: 	if ($choice ne 'All class print') { 
1.213     albertel  502: 	    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/;
1.140     sakharuk  503: 	} else {
1.190     sakharuk  504: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
1.140     sakharuk  505: 	}
                    506:     }
1.214     sakharuk  507:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                    508:     if ($indexlist eq 'yes') {
                    509: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                    510: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                    511:     }
1.140     sakharuk  512:     return $text;
                    513: }
                    514: 
                    515: 
1.33      sakharuk  516: sub page_cleanup {
                    517:     my $result = shift;	
1.65      sakharuk  518:  
                    519:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk  520:     my $number_of_columns = $1;
1.33      sakharuk  521:     my $insert = '{';
1.34      sakharuk  522:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk  523:     $insert .= '}';
1.65      sakharuk  524:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk  525:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                    526:     return $result,$number_of_columns;
1.7       sakharuk  527: }
1.5       sakharuk  528: 
1.3       sakharuk  529: 
1.60      sakharuk  530: sub details_for_menu {
                    531: 
                    532:     my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
                    533:     my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
1.233     www       534:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel  535:     $map=&Apache::lonnet::clutter($map);
1.102     sakharuk  536:     my $name_of_sequence;
1.123     albertel  537:     $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}};
1.63      albertel  538:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel  539: 	$map =~ m|([^/]+)$|;
                    540: 	$name_of_sequence = $1;
1.63      albertel  541:     }
1.123     albertel  542:     my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}};
1.63      albertel  543:     if ($name_of_map =~ /^\s*$/) {
1.123     albertel  544: 	$ENV{'request.course.uri'} =~ m|([^/]+)$|;
                    545: 	$name_of_map = $1;
                    546:     }
1.63      albertel  547:     return ($name_of_resourse,$name_of_sequence,$name_of_map);
1.60      sakharuk  548: 
1.76      sakharuk  549: }
                    550: 
                    551: 
                    552: sub latex_corrections {
                    553: 
                    554:     my ($number_of_columns,$result) = @_;
                    555: 
1.185     sakharuk  556: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76      sakharuk  557:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk  558:     $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License  $1/;
                    559:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                    560:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk  561: #-- LaTeX corrections     
                    562:     my $first_comment = index($result,'<!--',0);
                    563:     while ($first_comment != -1) {
                    564: 	my $end_comment = index($result,'-->',$first_comment);
                    565: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                    566: 	$first_comment = index($result,'<!--',$first_comment);
                    567:     }
                    568:     $result =~ s/^\s+$//gm; #remove empty lines
1.94      sakharuk  569:     $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
1.76      sakharuk  570:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                    571:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                    572:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
                    573: 	$result =~ s/\\\\\s+\[/ \[/g;
                    574:     $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
                    575:     #conversion of html characters to LaTeX equivalents
                    576:     if ($result =~ m/&(\w+|#\d+);/) {
                    577: 	$result = &character_chart($result);
                    578:     }
                    579:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                    580:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                    581: 
                    582:     return $result;
1.60      sakharuk  583: }
                    584: 
1.3       sakharuk  585: 
1.214     sakharuk  586: sub index_table {
                    587:     my $currentURL = shift;
                    588:     my $insex_string='';
                    589:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                    590:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                    591:     return $insex_string;
                    592: }
                    593: 
                    594: 
1.215     sakharuk  595: sub IndexCreation {
                    596:     my ($texversion,$currentURL)=@_;
                    597:     my @key_words=split(/,/,&index_table($currentURL));
                    598:     my $chunk='';
                    599:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                    600:     if ($st>0) {
                    601: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                    602: 	$chunk=substr($texversion,0,$st+1);
                    603: 	substr($texversion,0,$st+1)=' ';
                    604:     }
                    605:     foreach my $key_word (@key_words) {
                    606: 	if ($key_word=~/\S+/) {
                    607: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                    608: 	}
                    609:     }			
                    610:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                    611:     return $texversion;
                    612: }
                    613: 
1.242     sakharuk  614: sub print_latex_header {
                    615:     my $mode=shift;
                    616:     my $output='\documentclass[letterpaper]{article}';
                    617:     if ($mode eq 'batchmode') {
                    618: 	$output.='\batchmode';
                    619:     }
                    620:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'.
                    621: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
                    622: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
                    623: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
                    624: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
                    625: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
                    626: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
                    627: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'.
                    628: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
                    629: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
                    630: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
                    631: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
                    632: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
                    633: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
                    634: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'.
                    635: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
                    636:     return $output;	     
                    637: }
                    638: 
                    639: sub path_to_problem {
                    640:     my ($urlp,$LaTeXwidth)=@_;
                    641:     my $newurlp = '';
                    642:     $LaTeXwidth=~s/\s*mm\s*$//;
                    643:     my $HowMany = length($urlp)*2;
                    644:     if ($HowMany > $LaTeXwidth) {
                    645: 	my @temporrary = split '/',$urlp;
                    646: 	my $HowManyNew = 0;
                    647: 	for (my $ii=0;$ii<=$#temporrary;$ii++) {
                    648: 	    if ($temporrary[$ii] ne '') {
                    649: 		$HowManyNew += length($temporrary[$ii])*2;
                    650: 		if ($HowManyNew < $LaTeXwidth ) {
                    651: 		    $newurlp .=  '/'.$temporrary[$ii];
                    652: 		} else {
                    653: 		    $HowManyNew = 0;
                    654: 		    $newurlp .=  '|\vskip -1 mm \noindent \verb|';
                    655: 		    $ii--;
                    656: 		}
                    657: 	    }
                    658: 	}
1.253   ! sakharuk  659:     } else {
        !           660: 	$newurlp=$urlp;
1.242     sakharuk  661:     }
                    662:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                    663: }
1.215     sakharuk  664: 
1.177     sakharuk  665: sub output_data {
1.184     sakharuk  666:     my ($r,$helper,$rparmhash) = @_;
                    667:     my %parmhash = %$rparmhash;
1.187     www       668:     my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
1.140     sakharuk  669:     $r->print(<<ENDPART);
                    670: <html>
                    671: <head>
                    672: <title>LON-CAPA output for printing</title>
                    673: </head>
1.187     www       674: $bodytag
                    675: Please stand by while processing your print request, this may take some time ...
1.140     sakharuk  676: ENDPART
                    677: 
                    678:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                    679:     my ($result,$selectionmade) = ('','');
                    680:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                    681:     my @temporary_array=split /\|/,$format_from_helper;
                    682:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                    683:     if ($laystyle eq 'L') {
                    684: 	$laystyle='album';
                    685:     } else {
                    686: 	$laystyle='book';
                    687:     }
1.177     sakharuk  688:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.140     sakharuk  689:     my $assignment =  $ENV{'form.assignment'};
                    690:     my $LaTeXwidth; 
1.190     sakharuk  691:     if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
1.140     sakharuk  692: 	$LaTeXwidth = $1*10;
1.190     sakharuk  693:     } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
1.140     sakharuk  694: 	$LaTeXwidth = $1;
1.190     sakharuk  695:     } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
1.140     sakharuk  696: 	$LaTeXwidth = $1*25.4;
                    697:     }
                    698:     $LaTeXwidth.=' mm';
1.153     sakharuk  699:     
1.140     sakharuk  700:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk  701:       #-- single document - problem, page, html, xml, ...
                    702: 	my $currentURL;
1.162     sakharuk  703: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk  704:             #prints published resource
1.153     sakharuk  705: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.143     sakharuk  706: 	} else {
1.185     sakharuk  707:             #prints resource from the construction space
1.240     albertel  708: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk  709: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.143     sakharuk  710: 	}
1.140     sakharuk  711: 	$selectionmade = 1;
1.143     sakharuk  712: 	if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel  713: 	    my $rndseed=time;
1.242     sakharuk  714: 	    my $texversion='';
                    715: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    716: 		my %moreenv;
                    717: 		$moreenv{'request.filename'}=$currentURL;
                    718: 		my %form;
                    719: 		$form{'grade_target'}='tex';
                    720: 		$form{'textwidth'}=$LaTeXwidth;	
                    721: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                    722: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    723: 		if ($helper->{'VARS'}->{'curseed'}) {
                    724: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                    725: 		}
                    726: 		$form{'rndseed'}=$rndseed;
                    727: 		&Apache::lonnet::appenv(%moreenv);
                    728: 		&Apache::lonnet::delenv('form.counter');
                    729: 		&Apache::lonxml::init_counter();
                    730: 		$texversion=&Apache::lonnet::ssi($currentURL,%form);
                    731: 		&Apache::lonnet::delenv('form.counter');
                    732: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel  733: 	    }
1.242     sakharuk  734: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    735: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.166     albertel  736: 		my %form;
                    737: 		$form{'grade_target'}='answer';
1.167     albertel  738: 		$form{'answer_output_mode'}='tex';
1.169     albertel  739: 		$form{'rndseed'}=$rndseed;
1.166     albertel  740: 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  741: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    742: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    743: 		} else {
                    744: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk  745: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                    746: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                    747: 			$texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                    748: 		    } else {
                    749: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                    750: 			my $URLpath=$currentURL;
                    751: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                    752: 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                    753: 		    }
1.242     sakharuk  754: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    755: 		}
1.163     sakharuk  756: 	    }
1.214     sakharuk  757: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk  758: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk  759: 	    }
1.219     sakharuk  760: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                    761: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                    762: 
                    763: 	    }
1.162     sakharuk  764: 	    $result .= $texversion;
                    765: 	    if ($currentURL=~m/\.page\s*$/) {
                    766: 		($result,$number_of_columns) = &page_cleanup($result);
                    767: 	    }
1.227     sakharuk  768:         } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
                    769:             #printing content of sequence from the construction space	
                    770: 	    my $flag_latex_header_remove = 'NO'; 
                    771: 	    my $rndseed=time;
1.231     albertel  772: 	    if ($helper->{'VARS'}->{'curseed'}) {
                    773: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                    774: 	    }
1.227     sakharuk  775: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                    776: 	    my $errtext=&Apache::lonratedt::mapread($currentURL);
                    777: 	    for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
                    778: 		$Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
                    779: 		my $urlp=$2;
                    780: 		if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.245     sakharuk  781: 		    my $texversion='';
                    782: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    783: 			my %form;
                    784: 			$form{'grade_target'}='tex';
                    785: 			$form{'textwidth'}=$LaTeXwidth;
                    786: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                    787: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    788: 			$form{'rndseed'}=$rndseed;
                    789: 			$texversion=&Apache::lonnet::ssi($urlp,%form);
                    790: 		    }
1.249     sakharuk  791: 		    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    792: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                    793: 		       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1.227     sakharuk  794: 			my %form;
                    795: 			$form{'grade_target'}='answer';
                    796: 			$form{'answer_output_mode'}='tex';
                    797: 			$form{'rndseed'}=$rndseed;
1.232     sakharuk  798:                         if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
1.227     sakharuk  799: 			my $answer=&Apache::lonnet::ssi($urlp,%form);
1.245     sakharuk  800: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    801: 			    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    802: 			} else {
                    803: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                    804: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                    805: 			    $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                    806: 			    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    807: 			}
1.227     sakharuk  808: 		    }
                    809: 		    if ($flag_latex_header_remove ne 'NO') {
                    810: 			$texversion = &latex_header_footer_remove($texversion);
                    811: 		    } else {
                    812: 			$texversion =~ s/\\end{document}//;
                    813: 		    }
                    814: 		    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                    815: 			$texversion=&IndexCreation($texversion,$urlp);
                    816: 		    }
1.232     sakharuk  817: 		    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1.227     sakharuk  818: 			$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                    819: 		    }
                    820: 		    $result.=$texversion;
                    821: 		    $flag_latex_header_remove = 'YES';
                    822: 		} elsif ($urlp=~/\.(sequence|page)$/) {
1.229     sakharuk  823: 		    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1.227     sakharuk  824: 		}  
                    825: 	    }
1.228     sakharuk  826: 	    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.227     sakharuk  827: 	    $result .= '\end{document}';   
1.162     sakharuk  828: 	} else {
1.227     sakharuk  829: 	  $result.='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
1.207     sakharuk  830: 	  if ($currentURL=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
                    831: 	      $result.=$1;
                    832: 	  } elsif ($currentURL=~/\/ext\//) {
                    833: 	      $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
                    834: 	  } else {
                    835: 	      $result.=$currentURL;
                    836: 	  }
                    837: 	  $result.=' \end{document}'
1.162     sakharuk  838: 	}
1.142     sakharuk  839:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
                    840:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.252     sakharuk  841:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
                    842: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.141     sakharuk  843:         #-- produce an output string
1.193     sakharuk  844: 	my %form=();	   
                    845: 	$form{'grade_target'}='tex';
                    846: 	$form{'textwidth'}=$LaTeXwidth;
                    847: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.203     sakharuk  848: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.141     sakharuk  849: 	my $flag_latex_header_remove = 'NO';
                    850: 	my $flag_page_in_sequence = 'NO';
                    851: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk  852: 	my $prevassignment='';
1.201     sakharuk  853: 	&Apache::lonnet::delenv('form.counter');
                    854: 	&Apache::lonxml::init_counter();
1.141     sakharuk  855: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.236     albertel  856: 	    my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel  857: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.141     sakharuk  858: 	    if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1.142     sakharuk  859: 		$selectionmade = 2;
                    860: 	    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                    861: 		$selectionmade = 3;
                    862: 	    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                    863: 		$selectionmade = 4;
1.141     sakharuk  864: 	    }
1.166     albertel  865: 	    $form{'symb'}=$master_seq[$i];
1.236     albertel  866: 	    my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
                    867: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1.247     sakharuk  868: 	    if ($i==0) {$prevassignment=$assignment;}
1.141     sakharuk  869: 	    #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
1.166     albertel  870: 	    my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.141     sakharuk  871: 	    if ($urlp=~/\.page$/) {
                    872: 		($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                    873: 		if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                    874: 		$texversion =~ s/\\end{document}\d*/\\end{document}/;
                    875: 		$flag_page_in_sequence = 'YES';
                    876: 	    } 
1.246     sakharuk  877: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    878: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                    879: 		my %form;
                    880: 		$form{'grade_target'}='answer';
                    881: 		$form{'answer_output_mode'}='tex';
                    882: 		my $answer=&Apache::lonnet::ssi($urlp,%form);
                    883: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    884: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    885: 		} else {
1.249     sakharuk  886: 		    if ($urlp=~/\.(problem|exam|quiz|library)$/) {
                    887: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                    888: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
                    889: 			$texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                    890: 			$texversion.='\vskip 1 mm '.$answer;
                    891: 		    } else {
                    892: 			$texversion='';
                    893: 		    }
1.246     sakharuk  894: 		}
                    895: 	    }
1.141     sakharuk  896: 	    if ($flag_latex_header_remove ne 'NO') {
                    897: 		$texversion = &latex_header_footer_remove($texversion);
                    898: 	    } else {
                    899: 		$texversion =~ s/\\end{document}//;
                    900: 	    }
1.215     sakharuk  901: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                    902: 		$texversion=&IndexCreation($texversion,$urlp);
                    903: 	    }
1.247     sakharuk  904: 	    if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                    905: 		my $name = &get_name();
                    906: 		my $courseidinfo = &get_course();
1.213     albertel  907: 		if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.193     sakharuk  908: 		$prevassignment=$assignment;
1.213     albertel  909: 		$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
1.193     sakharuk  910: 	    }
                    911: 	    $result .= $texversion;
1.141     sakharuk  912: 	    $flag_latex_header_remove = 'YES';   
                    913: 	}
                    914: 	&Apache::lonnet::delenv('form.counter');
                    915: 	if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}	
                    916: 	$result .= '\end{document}';
1.150     sakharuk  917:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') { 
                    918:      #-- prints assignments for whole class or for selected students  
                    919: 	 $selectionmade=5;
                    920: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
                    921: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                    922: 	 #loop over students
                    923: 	 my $flag_latex_header_remove = 'NO'; 
                    924: 	 my %moreenv;
                    925: 	 $moreenv{'form.textwidth'}=$LaTeXwidth;
                    926: 	 &Apache::lonnet::appenv(%moreenv);
                    927: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
                    928: 	 foreach my $person (@students) {
                    929: 	    my $current_output = ''; 
1.140     sakharuk  930: #	    my ($usersection,$username,$userdomain) = split /:/,$person;
1.150     sakharuk  931: 	    my ($username,$userdomain) = split /:/,$person;
                    932: 	    my $fullname = &get_name($username,$userdomain);
1.196     sakharuk  933: 
1.197     sakharuk  934: 	    if ($parmhash{'anonymous_quiz'}=~/yes/) {$fullname=' ';} #put here something reasonable for anonymous exams or quiz
1.150     sakharuk  935:             #goes through all resources, checks if they are available for current student, and produces output   
1.201     sakharuk  936: 	    &Apache::lonnet::delenv('form.counter');
                    937: 	    &Apache::lonxml::init_counter();
1.150     sakharuk  938: 	    foreach my $curresline (@master_seq)  {
                    939: 		if ($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.233     www       940: 		    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1.150     sakharuk  941: 		    if (&Apache::lonnet::allowed('bre',$res_url)) {
                    942: 			my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,
                    943:                                                                         $ENV{'request.course.id'},'tex');
1.250     sakharuk  944: 			if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    945: 			   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                    946: 			    my %form;
                    947: 			    $form{'answer_output_mode'}='tex';
                    948: 			    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    949: 			    my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
                    950: 			    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    951: 				$rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                    952: 			    } else {
                    953: 				$rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                    954: 				$rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
                    955: 				$rendered.=&path_to_problem ($curresline,$LaTeXwidth);
                    956: 				$rendered.='\vskip 1 mm '.$ansrendered;
                    957: 			    }
                    958: 			}
1.150     sakharuk  959: 			if ($flag_latex_header_remove eq 'YES') {
                    960: 			    $rendered = &latex_header_footer_remove($rendered);
                    961: 			} else {
                    962: 			    $rendered =~ s/\\end{document}//;
                    963: 			}
                    964: 			$current_output .= $rendered;
                    965: 		    }
                    966: 		    $flag_latex_header_remove = 'YES';
                    967: 		}
                    968: 	    }
1.213     albertel  969: 	    my $courseidinfo = &get_course();
                    970: 	    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.221     sakharuk  971: 	    my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.150     sakharuk  972: 	    if ($current_output=~/\\documentclass/) {
1.221     sakharuk  973: 		$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
1.150     sakharuk  974: 	    } else {
                    975: 		my $blanspages = '';
                    976: 		for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
1.221     sakharuk  977: 		$current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}}} \vskip -5 mm '.$current_output;
1.150     sakharuk  978: 	    }
                    979: 	    $result .= $current_output;
                    980: 	    &Apache::lonnet::delenv('form.counter');	    
                    981: 	    &Apache::lonxml::init_counter(); 
                    982: 	    &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                    983: 						    'last student '.$fullname);
                    984: 	}
                    985: 	&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                    986: 	$result .= '\end{document}';
                    987: 	&Apache::lonnet::delenv('form.textwidth');
1.151     sakharuk  988:     } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
                    989:     #prints selected problems from the subdirectory 
                    990: 	$selectionmade = 6;
                    991:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk  992: 	@list_of_files=sort @list_of_files;
1.175     sakharuk  993: 	my $flag_latex_header_remove = 'NO'; 
                    994: 	my $rndseed=time;
1.230     albertel  995: 	if ($helper->{'VARS'}->{'curseed'}) {
                    996: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                    997: 	}
1.151     sakharuk  998: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.152     sakharuk  999: 	    my $urlp = $list_of_files[$i];
1.253   ! sakharuk 1000: 	    $urlp=~s|//|/|;
1.152     sakharuk 1001: 	    if ($urlp=~/\//) {
1.166     albertel 1002: 		my %form;
                   1003: 		$form{'grade_target'}='tex';
                   1004: 		$form{'textwidth'}=$LaTeXwidth;
1.175     sakharuk 1005: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 1006: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   1007: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   1008: 		} else {
                   1009: 		    $urlp =~ s|^/home/httpd/html||;
                   1010: 		}
1.166     albertel 1011: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1012: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253   ! sakharuk 1013: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.174     sakharuk 1014: 		    my %form;
                   1015: 		    $form{'grade_target'}='answer';
                   1016: 		    $form{'answer_output_mode'}='tex';
1.203     sakharuk 1017: 		    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.174     sakharuk 1018: 		    $form{'rndseed'}=$rndseed;
                   1019: 		    my $answer=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1020: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1021: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1022: 		    } else {
1.253   ! sakharuk 1023: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
        !          1024: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
        !          1025: 			    $texversion.='\vskip 0 mm \noindent ';
        !          1026: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
        !          1027: 			} else {
        !          1028: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
        !          1029: 			    my $URLpath=$urlp;
        !          1030: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
        !          1031: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
        !          1032: 			}
        !          1033: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 1034: 		    }
1.174     sakharuk 1035: 		}
1.151     sakharuk 1036:                 #this chunck is responsible for printing the path to problem
1.253   ! sakharuk 1037: 		my $newurlp=$urlp;
        !          1038: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
        !          1039: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 1040: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 1041: 		if ($flag_latex_header_remove ne 'NO') {
                   1042: 		    $texversion = &latex_header_footer_remove($texversion);
                   1043: 		} else {
                   1044: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 1045: 		}
                   1046: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1047: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 1048: 		}
1.219     sakharuk 1049: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1050: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1051: 		    
                   1052: 		}
1.152     sakharuk 1053: 		$result .= $texversion;
                   1054: 	    }
                   1055: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 1056: 	}
1.175     sakharuk 1057: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 1058: 	$result .= '\end{document}';      	
1.140     sakharuk 1059:     }
                   1060: #-------------------------------------------------------- corrections for the different page formats
1.214     sakharuk 1061:     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'});
1.140     sakharuk 1062:     $result = &latex_corrections($number_of_columns,$result);
1.190     sakharuk 1063:     #changes page's parameters for the one column output 
1.195     sakharuk 1064:     if ($numberofcolumns == 1) {
                   1065: 	$result =~ s/\\textwidth= 9cm/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   1066: 	$result =~ s/\\textheight 25\.9cm/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   1067: 	$result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1068: 	$result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1069:     }
1.214     sakharuk 1070:     if ($helper->{'VARS'}->{'TABLE_CONTENTS'} eq 'yes') {$selectionmade*=10;}
                   1071:     if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1072: 	if ($selectionmade<10) {$selectionmade*=100;} else {$selectionmade*=10;}
                   1073:     }
1.224     sakharuk 1074:     if ($ENV{'request.role.adv'}) {$selectionmade*=10000;}
1.140     sakharuk 1075: #-- writing .tex file in prtspool 
                   1076:     my $temp_file;
                   1077:     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
                   1078:     unless ($temp_file = Apache::File->new('>'.$filename)) {
                   1079: 	$r->log_error("Couldn't open $filename for output $!");
                   1080: 	return SERVER_ERROR; 
                   1081:     } 
                   1082:     print $temp_file $result;
                   1083: 
                   1084: $r->print(<<FINALEND);
                   1085: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
                   1086: </body>
                   1087: </html>
                   1088: FINALEND
                   1089: }
                   1090: 
                   1091: 
                   1092: 
1.3       sakharuk 1093: sub handler {
                   1094: 
                   1095:     my $r = shift;
1.131     bowersj2 1096:     my $helper;
1.114     bowersj2 1097: 
1.150     sakharuk 1098: #    my $loaderror=&Apache::lonnet::overloaderror($r);
                   1099: #    if ($loaderror) { return $loaderror; }
                   1100: #    $loaderror=
                   1101: #       &Apache::lonnet::overloaderror($r,
                   1102: #         $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
                   1103: #    if ($loaderror) { return $loaderror; }
1.67      www      1104: 
1.177     sakharuk 1105:     my $result = printHelper($r);
                   1106:     if (!ref($result)) {
                   1107: 	return $result;
1.60      sakharuk 1108:     }
1.177     sakharuk 1109:     $helper = $result;
                   1110:    
                   1111: #	my $key; 
                   1112: #	foreach $key (keys %{$helper->{'VARS'}}) {
                   1113: #	    $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
                   1114: #	}
                   1115: #	return OK;
1.184     sakharuk 1116: 
                   1117:     my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
                   1118:     
1.207     sakharuk 1119: #	my $key; 
1.200     sakharuk 1120: #	foreach $key (keys %parmhash) {
                   1121: #	    $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
                   1122: #	}
                   1123: #	return OK;
1.184     sakharuk 1124: 
                   1125:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 1126:     return OK;
1.60      sakharuk 1127: } 
1.2       sakharuk 1128: 
1.131     bowersj2 1129: use Apache::lonhelper;
1.130     sakharuk 1130: 
1.223     bowersj2 1131: sub addMessage {
                   1132:     my $text = shift;
                   1133:     my $paramHash = Apache::lonhelper::getParamHash();
                   1134:     $paramHash->{MESSAGE_TEXT} = $text;
                   1135:     Apache::lonhelper::message->new();
                   1136: }
                   1137: 
1.238     bowersj2 1138: use Data::Dumper;
                   1139: 
1.131     bowersj2 1140: sub printHelper {
1.115     bowersj2 1141:     my $r = shift;
                   1142: 
                   1143:     if ($ENV{'request.course.id'}) {
1.131     bowersj2 1144: 	my $fn=$ENV{'request.course.fn'};
                   1145: 	tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1.115     bowersj2 1146:     }
                   1147: 
                   1148:     if ($r->header_only) {
1.131     bowersj2 1149:         if ($ENV{'browser.mathml'}) {
1.241     www      1150:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 1151:         } else {
1.241     www      1152:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 1153:         }
                   1154:         $r->send_http_header;
                   1155:         return OK;
1.115     bowersj2 1156:     }
                   1157: 
1.131     bowersj2 1158:     # Send header, nocache
1.115     bowersj2 1159:     if ($ENV{'browser.mathml'}) {
1.241     www      1160:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 1161:     } else {
1.241     www      1162:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 1163:     }
                   1164:     &Apache::loncommon::no_cache($r);
                   1165:     $r->send_http_header;
                   1166:     $r->rflush();
                   1167: 
1.131     bowersj2 1168:     # Unfortunately, this helper is so complicated we have to
                   1169:     # write it by hand
                   1170: 
                   1171:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   1172:     
1.176     bowersj2 1173:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 1174:     $helper->declareVar('symb');
1.156     bowersj2 1175:     $helper->declareVar('postdata');    
1.230     albertel 1176:     $helper->declareVar('curseed');    
1.156     bowersj2 1177:     $helper->declareVar('filename');
                   1178:     $helper->declareVar('construction');
1.178     sakharuk 1179:     $helper->declareVar('assignment');
1.131     bowersj2 1180:     
                   1181:     # This will persistently load in the data we want from the
                   1182:     # very first screen.
1.156     bowersj2 1183:     # Detect whether we're coming from construction space
1.208     www      1184:     if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 1185:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 1186:         $helper->{VARS}->{'construction'} = 1;
                   1187:     } else {
                   1188:         if ($ENV{'form.postdata'}) {
                   1189:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
                   1190:         }
                   1191:         if ($ENV{'form.symb'}) {
                   1192:             $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1193:         }
                   1194:         if ($ENV{'form.url'}) {
                   1195:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   1196:         }
1.157     bowersj2 1197:     }
1.156     bowersj2 1198: 
1.146     bowersj2 1199:     if ($ENV{'form.symb'}) {
                   1200:         $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1201:     }
                   1202:     if ($ENV{'form.url'}) {
1.140     sakharuk 1203:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 1204: 
1.140     sakharuk 1205:     }
1.146     bowersj2 1206:     
1.115     bowersj2 1207:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1.178     sakharuk 1208:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140     sakharuk 1209: 
1.156     bowersj2 1210:     
1.146     bowersj2 1211:     # Extract map
                   1212:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 1213:     my ($map, $id, $url);
                   1214:     my $subdir;
                   1215: 
                   1216:     # Get the resource name from construction space
                   1217:     if ($helper->{VARS}->{'construction'}) {
                   1218:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   1219:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   1220:         $subdir = substr($helper->{VARS}->{'filename'},
                   1221:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
                   1222:     } else {
1.233     www      1223:         ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.156     bowersj2 1224:         $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1.146     bowersj2 1225: 
1.156     bowersj2 1226:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 1227:             my $postdata = $helper->{VARS}->{'postdata'};
                   1228:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 1229:         }
                   1230:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 1231:     }
1.230     albertel 1232:     if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
                   1233: 	$helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
                   1234:     }
1.115     bowersj2 1235: 
1.192     bowersj2 1236:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1.235     bowersj2 1237:     my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
                   1238: 			   $ENV{'request.role'}=~m/^in\./ or
                   1239: 			   $ENV{'request.role'}=~m/^ta\./);
1.192     bowersj2 1240: 
1.131     bowersj2 1241:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 1242: 
1.131     bowersj2 1243:     # "Delete everything after the last slash."
1.119     bowersj2 1244:     $subdir =~ s|/[^/]+$||;
1.162     sakharuk 1245:     if (not $helper->{VARS}->{'construction'}) {
                   1246: 	$subdir='/home/httpd/html/res/'.$subdir;
1.153     sakharuk 1247:     }
1.189     bowersj2 1248:     # "Remove all duplicate slashes."
                   1249:     $subdir =~ s|/+|/|g;
1.119     bowersj2 1250: 
1.131     bowersj2 1251:     # What can be printed is a very dynamic decision based on
                   1252:     # lots of factors. So we need to dynamically build this list.
                   1253:     # To prevent security leaks, states are only added to the wizard
                   1254:     # if they can be reached, which ensures manipulating the form input
                   1255:     # won't allow anyone to reach states they shouldn't have permission
                   1256:     # to reach.
                   1257: 
                   1258:     # printChoices is tracking the kind of printing the user can
                   1259:     # do, and will be used in a choices construction later.
                   1260:     # In the meantime we will be adding states and elements to
                   1261:     # the helper by hand.
                   1262:     my $printChoices = [];
                   1263:     my $paramHash;
1.130     sakharuk 1264: 
1.240     albertel 1265:     if ($resourceTitle) {
1.235     bowersj2 1266:         push @{$printChoices}, ["<b>$resourceTitle</b> (what you just saw on the screen)", 'current_document', 'PAGESIZE'];
1.156     bowersj2 1267:     }
                   1268: 
1.187     www      1269: #    $r->print($helper->{VARS}->{'postdata'});
1.130     sakharuk 1270: 
1.238     bowersj2 1271:     # Useful filter strings
                   1272:     my $isProblem = '$res->is_problem()';
                   1273:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   1274:     my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
                   1275:     my $isNotMap = '!$res->is_map()';
                   1276:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   1277:     my $isMap = '$res->is_map()';
                   1278:     my $symbFilter = '$res->symb()';
                   1279:     my $urlValue = '$res->src()';
                   1280: 
                   1281:     $helper->declareVar('SEQUENCE');
                   1282: 
                   1283:     # Useful for debugging: Dump the help vars
                   1284:     #$r->print(Dumper($helper->{VARS}));
                   1285:     #$r->print($map);
                   1286: 
1.131     bowersj2 1287:     # If we're in a sequence...
1.235     bowersj2 1288:     if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.243     bowersj2 1289: 	$helper->{VARS}->{'postdata'} &&
                   1290: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 1291:         # Allow problems from sequence
1.238     bowersj2 1292:         push @{$printChoices}, ["<b>Problems</b> in $sequenceTitle", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 1293:         # Allow all resources from sequence
1.238     bowersj2 1294:         push @{$printChoices}, ["<b>Resources</b> in $sequenceTitle", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130     sakharuk 1295: 
1.131     bowersj2 1296:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 1297:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
                   1298:     <message>(mark them then click "next" button) <br /></message>
1.234     bowersj2 1299:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1.144     bowersj2 1300:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1301:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 1302:       <mapurl>$map</mapurl>
1.238     bowersj2 1303:       <valuefunc>return $symbFilter;</valuefunc>
1.131     bowersj2 1304:       </resource>
                   1305:     </state>
                   1306: 
1.155     sakharuk 1307:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
                   1308:     <message>(mark them then click "next" button) <br /></message>
1.234     bowersj2 1309:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1.144     bowersj2 1310:       <nextstate>PAGESIZE</nextstate>
1.145     bowersj2 1311:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 1312:       <mapurl>$map</mapurl>
1.238     bowersj2 1313:       <valuefunc>return $symbFilter;</valuefunc>
1.131     bowersj2 1314:       </resource>
                   1315:     </state>
                   1316: HELPERFRAGMENT
1.121     bowersj2 1317: 
1.131     bowersj2 1318:         &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 
1.121     bowersj2 1319:     }
                   1320: 
                   1321:     # If the user is priviledged, allow them to print all 
                   1322:     # problems in the course, optionally for selected students
1.235     bowersj2 1323:     if ($userPriviledged && ($helper->{VARS}->{'postdata'}=~/\/res\//)) { 
1.238     bowersj2 1324:         push @{$printChoices}, ['Problems from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1.243     bowersj2 1325: 	if ($helper->{VARS}->{'assignment'}) {
1.238     bowersj2 1326: 	    push @{$printChoices}, ["Problems from $sequenceTitle for <b>selected students</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
                   1327: 	}
1.131     bowersj2 1328: 
                   1329:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1.155     sakharuk 1330:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
                   1331:     <message>(mark them then click "next" button) <br /></message>
1.234     bowersj2 1332:     <resource variable="RESOURCES" multichoice="1"
                   1333: 	suppressEmptySequences='1' addstatus="1">
1.144     bowersj2 1334:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1335:       <filterfunc>return $isProblemOrMap;</filterfunc>
                   1336:       <choicefunc>return $isProblem;</choicefunc>
1.238     bowersj2 1337:       <valuefunc>return $symbFilter;</valuefunc>
1.132     bowersj2 1338:       </resource>
                   1339:     </state>
                   1340: 
1.223     bowersj2 1341:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1.144     bowersj2 1342:     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1.155     sakharuk 1343:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.234     bowersj2 1344:     <resource variable="RESOURCES" multichoice="1" addstatus="1">
1.147     bowersj2 1345:       <filterfunc>return $isProblem</filterfunc>
1.148     bowersj2 1346:       <mapurl>$map</mapurl>
1.238     bowersj2 1347:       <valuefunc>return $symbFilter</valuefunc>
1.147     bowersj2 1348:       </resource>
1.155     sakharuk 1349:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 1350:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 1351:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1352:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1353:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1354:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.149     bowersj2 1355:       </choices>
1.131     bowersj2 1356:     </state>
                   1357: CHOOSE_STUDENTS
1.121     bowersj2 1358:     }
                   1359: 
                   1360:     # FIXME: That RE should come from a library somewhere.
1.238     bowersj2 1361:     if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $ENV{'request.role.adv'} and $subdir ne '/home/httpd/html/res/') {    
1.155     sakharuk 1362:         push @{$printChoices}, ["Problems from current subdirectory <b>$subdir</b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238     bowersj2 1363: 
1.131     bowersj2 1364:         my $f = '$filename';
1.139     bowersj2 1365:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155     sakharuk 1366:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
                   1367:     <message>(mark them then click "next" button) <br /></message>
1.138     bowersj2 1368:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 1369:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 1370:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 1371: CHOOSE_FROM_SUBDIR
                   1372:         
1.238     bowersj2 1373:         # this is broken up because I really want interpolation above,
                   1374:         # and I really DON'T want it below
1.139     bowersj2 1375:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 1376:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   1377: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 1378:       </filefilter>
1.138     bowersj2 1379:       </files>
1.131     bowersj2 1380:     </state>
                   1381: CHOOSE_FROM_SUBDIR
1.139     bowersj2 1382:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 1383:     }
1.238     bowersj2 1384: 
                   1385:     # Allow the user to select any sequence in the course, feed it to
                   1386:     # another resource selector for that sequence
1.239     bowersj2 1387:     if (!$helper->{VARS}->{'construction'}) {
                   1388: 	push @$printChoices, ["Resources from <b>selected sequence</b> in course",
1.249     sakharuk 1389: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 1390: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   1391: 	#Escape apostrophes and backslashes for Perl
                   1392: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   1393: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 1394: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 1395:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   1396:     <message>Select the sequence to print resources from:</message>
                   1397:     <resource variable="SEQUENCE">
                   1398:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   1399:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   1400:       <valuefunc>return $urlValue;</valuefunc>
                   1401:       </resource>
                   1402:     </state>
                   1403:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   1404:     <message>(mark desired resources then click "next" button) <br /></message>
                   1405:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
                   1406:       <nextstate>PAGESIZE</nextstate>
                   1407:       <filterfunc>return $isProblem</filterfunc>
1.244     bowersj2 1408:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 1409:       <valuefunc>return $symbFilter;</valuefunc>
                   1410:       </resource>
                   1411:     </state>
                   1412: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 1413: }
1.131     bowersj2 1414: 
                   1415:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 1416:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 1417:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 1418:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 1419:     Apache::lonhelper::message->new();
                   1420:     $paramHash = Apache::lonhelper::getParamHash();
                   1421:     $paramHash->{'variable'} = 'PRINT_TYPE';
1.137     bowersj2 1422:     $helper->declareVar('PRINT_TYPE');
1.131     bowersj2 1423:     $paramHash->{CHOICES} = $printChoices;
                   1424:     Apache::lonhelper::choices->new();
1.161     bowersj2 1425: 
1.223     bowersj2 1426:     my $startedTable = 0; # have we started an HTML table yet? (need
                   1427:                           # to close it later)
                   1428: 
1.170     sakharuk 1429:     if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or 
                   1430: 	($helper->{VARS}->{'construction'} eq '1')) {
1.242     sakharuk 1431: 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161     bowersj2 1432:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 1433: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   1434: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 1435:         $paramHash->{CHOICES} = [
1.242     sakharuk 1436:                                    ['Without Answers', 'yes'],
                   1437:                                    ['With Answers', 'no'],
                   1438:                                    ['Only Answers', 'only'] ];
1.210     sakharuk 1439:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 1440: 	addMessage("</td></tr>");
                   1441: 	$startedTable = 1;
1.161     bowersj2 1442:     }
1.209     sakharuk 1443: 
1.203     sakharuk 1444:     if ($ENV{'request.role.adv'}) {
1.223     bowersj2 1445: 	if (!$startedTable) {
                   1446: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
                   1447: 	    $startedTable = 1;
                   1448: 	} else {
                   1449: 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
                   1450: 	}
1.203     sakharuk 1451:         $paramHash = Apache::lonhelper::getParamHash();
                   1452: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   1453: 	$helper->declareVar('LATEX_TYPE');  
                   1454: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   1455: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1456: 				     ['standard LaTeX mode', 'standard'], 
                   1457: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 1458: 	} else {
                   1459: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1460: 				     ['LaTeX batchmode', 'batchmode'],
                   1461: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 1462: 	}
1.210     sakharuk 1463:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 1464:  
1.223     bowersj2 1465: 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209     sakharuk 1466:         $paramHash = Apache::lonhelper::getParamHash();
                   1467: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   1468: 	$helper->declareVar('TABLE_CONTENTS');         
                   1469:         $paramHash->{CHOICES} = [
1.223     bowersj2 1470:                                    ['No', 'no'],
                   1471:                                    ['Yes', 'yes'] ];
1.210     sakharuk 1472:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 1473: 	addMessage("</td></tr>");
1.214     sakharuk 1474:         
1.220     sakharuk 1475: 	if (not $helper->{VARS}->{'construction'}) {
1.223     bowersj2 1476: 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220     sakharuk 1477: 	    $paramHash = Apache::lonhelper::getParamHash();
                   1478: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   1479: 	    $helper->declareVar('TABLE_INDEX');         
                   1480: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1481: 				     ['No', 'no'],
                   1482: 				     ['Yes', 'yes'] ];
1.220     sakharuk 1483: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 1484: 	    addMessage("</td></tr>");
1.220     sakharuk 1485: 	}
1.219     sakharuk 1486: 
                   1487: 	if ($helper->{VARS}->{'construction'}) {
1.223     bowersj2 1488: 	    addMessage("<tr><td align='right'>Print With URL: </td><td>");
1.219     sakharuk 1489: 	    $paramHash = Apache::lonhelper::getParamHash();
                   1490: 	    $paramHash->{'variable'} = 'CONSTR_RESOURSE_URL';   
                   1491: 	    $helper->declareVar('CONSTR_RESOURSE_URL');         
                   1492: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1493: 				     ['No', 'no'],
                   1494: 				     ['Yes', 'yes'] ];
1.219     sakharuk 1495: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 1496: 	    addMessage("</td></tr>");
1.230     albertel 1497: 	}
                   1498: 	if ($helper->{'VARS'}->{'construction'}) { 
                   1499: 	    my $xmlfrag .= <<'RNDSEED';
                   1500: 	    <message><tr><td align='right'>Use random seed: </td><td></message>
                   1501: 	    <string variable="curseed" size="15" maxlength="15">
                   1502: 		<defaultvalue>
                   1503: 	            return $helper->{VARS}->{'curseed'};
                   1504: 	        </defaultvalue>
                   1505: 	     </string>
                   1506:              <message></td></tr></message>
                   1507: RNDSEED
                   1508:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.219     sakharuk 1509: 	}
1.223     bowersj2 1510:     }
1.218     sakharuk 1511: 
1.223     bowersj2 1512:     if ($startedTable) {
                   1513: 	addMessage("</table>");
1.215     sakharuk 1514:     }
1.161     bowersj2 1515: 
1.131     bowersj2 1516:     Apache::lonprintout::page_format_state->new("FORMAT");
                   1517: 
1.144     bowersj2 1518:     # Generate the PAGESIZE state which will offer the user the margin
                   1519:     # choices if they select one column
                   1520:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   1521:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   1522: 
                   1523: 
1.131     bowersj2 1524:     $helper->process();
                   1525: 
                   1526:     # MANUAL BAILOUT CONDITION:
                   1527:     # If we're in the "final" state, bailout and return to handler
                   1528:     if ($helper->{STATE} eq 'FINAL') {
                   1529:         return $helper;
                   1530:     }    
1.130     sakharuk 1531: 
1.131     bowersj2 1532:     $r->print($helper->display());
1.130     sakharuk 1533: 
1.131     bowersj2 1534:     Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 1535: 
                   1536:     untie %hash;
                   1537: 
                   1538:     return OK;
                   1539: }
                   1540: 
1.1       www      1541: 
                   1542: 1;
1.119     bowersj2 1543: 
                   1544: package Apache::lonprintout::page_format_state;
                   1545: 
                   1546: =pod
                   1547: 
1.131     bowersj2 1548: =head1 Helper element: page_format_state
                   1549: 
                   1550: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 1551: 
1.131     bowersj2 1552: Apache::lonprintout::page_format_state is an element that gives the 
                   1553: user an opportunity to select the page layout they wish to print 
                   1554: with: Number of columns, portrait/landscape, and paper size. If you 
                   1555: want to change the paper size choices, change the @paperSize array 
                   1556: contents in this package.
1.119     bowersj2 1557: 
1.131     bowersj2 1558: page_format_state is always directly invoked in lonprintout.pm, so there
                   1559: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 1560: 
                   1561: =over 4
                   1562: 
1.131     bowersj2 1563: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 1564: 
                   1565: =back
                   1566: 
                   1567: =cut
                   1568: 
1.131     bowersj2 1569: use Apache::lonhelper;
1.119     bowersj2 1570: 
                   1571: no strict;
1.131     bowersj2 1572: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 1573: use strict;
                   1574: 
                   1575: my $maxColumns = 2;
                   1576: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 
                   1577:                  "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1578:                  "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]", 
                   1579:                  "A5 [148x210 mm]", "A6 [105x148 mm]" );
                   1580: 
                   1581: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   1582: #                   Paper type
                   1583: 
                   1584: sub new { 
1.131     bowersj2 1585:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 1586: 
1.135     bowersj2 1587:     shift;
                   1588: 
1.131     bowersj2 1589:     $self->{'variable'} = shift;
1.134     bowersj2 1590:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 1591:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 1592:     bless($self);
1.119     bowersj2 1593:     return $self;
                   1594: }
                   1595: 
                   1596: sub render {
                   1597:     my $self = shift;
1.131     bowersj2 1598:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 1599:     my $result = '';
1.131     bowersj2 1600:     my $var = $self->{'variable'};
1.119     bowersj2 1601: 
                   1602:     $result .= <<STATEHTML;
                   1603: 
1.223     bowersj2 1604: <hr width="33%" />
1.119     bowersj2 1605: <table cellpadding="3">
                   1606:   <tr>
1.155     sakharuk 1607:     <td align="center"><b>Page layout</b></td>
                   1608:     <td align="center"><b>Number of columns</b></td>
1.131     bowersj2 1609:     <td align="center"><b>Paper type</b></td>
1.119     bowersj2 1610:   </tr>
                   1611:   <tr>
                   1612:     <td>
1.155     sakharuk 1613:       <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
                   1614:       <input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait
1.119     bowersj2 1615:     </td>
1.155     sakharuk 1616:     <td align="center">
1.119     bowersj2 1617:       <select name="${var}.cols">
                   1618: STATEHTML
                   1619: 
                   1620:     my $i;
                   1621:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 1622:         if ($i == 2) {
1.119     bowersj2 1623:             $result .= "<option value='$i' selected>$i</option>\n";
                   1624:         } else {
                   1625:             $result .= "<option value='$i'>$i</option>\n";
                   1626:         }
                   1627:     }
                   1628: 
                   1629:     $result .= "</select></td><td>\n";
                   1630:     $result .= "<select name='${var}.paper'>\n";
                   1631: 
                   1632:     $i = 0;
                   1633:     foreach (@paperSize) {
1.144     bowersj2 1634:         if ($i == 0) {
1.131     bowersj2 1635:             $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 1636:         } else {
1.131     bowersj2 1637:             $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 1638:         }
                   1639:         $i++;
                   1640:     }
                   1641: 
                   1642:     $result .= "</select></td></tr></table>";
                   1643:     return $result;
1.135     bowersj2 1644: }
                   1645: 
                   1646: sub postprocess {
                   1647:     my $self = shift;
                   1648: 
                   1649:     my $var = $self->{'variable'};
1.136     bowersj2 1650:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 1651:     $helper->{VARS}->{$var} = 
1.136     bowersj2 1652:         $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
                   1653:         $ENV{"form.$var.paper"};
1.135     bowersj2 1654:     return 1;
1.119     bowersj2 1655: }
                   1656: 
                   1657: 1;
1.144     bowersj2 1658: 
                   1659: package Apache::lonprintout::page_size_state;
                   1660: 
                   1661: =pod
                   1662: 
                   1663: =head1 Helper element: page_size_state
                   1664: 
                   1665: See lonhelper.pm documentation for discussion of the helper framework.
                   1666: 
                   1667: Apache::lonprintout::page_size_state is an element that gives the 
                   1668: user the opportunity to further refine the page settings if they
                   1669: select a single-column page.
                   1670: 
                   1671: page_size_state is always directly invoked in lonprintout.pm, so there
                   1672: is no tag interface. You actually pass parameters to the constructor.
                   1673: 
                   1674: =over 4
                   1675: 
                   1676: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   1677: 
                   1678: =back
                   1679: 
                   1680: =cut
                   1681: 
                   1682: use Apache::lonhelper;
                   1683: 
                   1684: no strict;
                   1685: @ISA = ("Apache::lonhelper::element");
                   1686: use strict;
                   1687: 
                   1688: 
                   1689: 
                   1690: sub new { 
                   1691:     my $self = Apache::lonhelper::element->new();
                   1692: 
                   1693:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   1694:            # package descriptor)... - Jeremy
                   1695: 
                   1696:     $self->{'variable'} = shift;
                   1697:     my $helper = Apache::lonhelper::getHelper();
                   1698:     $helper->declareVar($self->{'variable'});
                   1699: 
                   1700:     # The variable name of the format element, so we can look into 
                   1701:     # $helper->{VARS} to figure out whether the columns are one or two
                   1702:     $self->{'formatvar'} = shift;
                   1703: 
                   1704:     # The state to transition to after selection, or after discovering
                   1705:     # the cols are not set to 1
                   1706:     $self->{NEXTSTATE} = shift;
                   1707:     bless($self);
                   1708:     return $self;
                   1709: }
                   1710: 
                   1711: sub render {
                   1712:     my $self = shift;
                   1713:     my $helper = Apache::lonhelper::getHelper();
                   1714:     my $result = '';
                   1715:     my $var = $self->{'variable'};
                   1716: 
                   1717:     if (defined $self->{ERROR_MSG}) {
                   1718:         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
                   1719:     }
                   1720: 
                   1721:     $result .= <<ELEMENTHTML;
                   1722: 
                   1723: <p>How should the column be formatted?</p>
                   1724: 
                   1725: <table cellpadding='3'>
                   1726:   <tr>
                   1727:     <td align='right'><b>Width</b>:</td>
                   1728:     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
                   1729:     <td align='left'>
                   1730:       <select name='$var.widthunit'>
                   1731:         <option>cm</option><option>in</option>
                   1732:       </select>
                   1733:     </td>
                   1734:   </tr>
                   1735:   <tr>
                   1736:     <td align='right'><b>Height</b>:</td>
                   1737:     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
                   1738:     <td align='left'>
                   1739:       <select name='$var.heightunit'>
                   1740:         <option>cm</option><option>in</option>
                   1741:       </select>
                   1742:     </td>
                   1743:   </tr>
                   1744:   <tr>
                   1745:     <td align='right'><b>Left margin</b>:</td>
                   1746:     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
                   1747:     <td align='left'>
1.186     bowersj2 1748:       <select name='$var.lmarginunit'>
1.144     bowersj2 1749:         <option>cm</option><option>in</option>
                   1750:       </select>
                   1751:     </td>
                   1752:   </tr>
                   1753: </table>
                   1754: 
                   1755: <p>Hint: Some instructors like to leave scratch space for the student by
                   1756: making the width much smaller then the width of the page.</p>
                   1757: 
                   1758: ELEMENTHTML
                   1759: 
                   1760:     return $result;
                   1761: }
                   1762: 
                   1763: # If the user didn't select 1 column, skip this state.
                   1764: sub preprocess {
                   1765:     my $self = shift;
                   1766:     my $helper = Apache::lonhelper::getHelper();
                   1767: 
                   1768:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   1769:     if (substr($format, 2, 1) ne '1') {
                   1770:         $helper->changeState($self->{NEXTSTATE});
                   1771:     }
                   1772:    
                   1773:     return 1;
                   1774: }
                   1775: 
                   1776: sub postprocess {
                   1777:     my $self = shift;
                   1778: 
                   1779:     my $var = $self->{'variable'};
                   1780:     my $helper = Apache::lonhelper->getHelper();
                   1781:     my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"}; 
                   1782:     my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"}; 
                   1783:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"}; 
                   1784:     $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"}; 
                   1785:     $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"}; 
                   1786:     $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"}; 
                   1787: 
                   1788:     my $error = '';
                   1789: 
                   1790:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   1791:     # by an optional period, followed by digits, ending the string
                   1792: 
                   1793:     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   1794:         $error .= "Invalid width; please type only a number.<br />\n";
                   1795:     }
                   1796:     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   1797:         $error .= "Invalid height; please type only a number.<br />\n";
                   1798:     }
                   1799:     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   1800:         $error .= "Invalid left margin; please type only a number.<br />\n";
                   1801:     }
                   1802: 
                   1803:     if (!$error) {
                   1804:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   1805:         return 1;
                   1806:     } else {
                   1807:         $self->{ERROR_MSG} = $error;
                   1808:         return 0;
                   1809:     }
                   1810: }
                   1811: 
                   1812: 
1.119     bowersj2 1813: 
1.1       www      1814: __END__
1.6       sakharuk 1815: 

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