Annotation of loncom/interface/lonprintout.pm, revision 1.288

1.1       www         1: # The LearningOnline Network
                      2: # Printout
                      3: #
1.288   ! albertel    4: # $Id: lonprintout.pm,v 1.287 2004/03/24 22:22:04 albertel Exp $
1.11      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.3       sakharuk   28: #
1.1       www        29: package Apache::lonprintout;
                     30: 
                     31: use strict;
1.10      albertel   32: use Apache::Constants qw(:common :http);
1.2       sakharuk   33: use Apache::lonxml;
                     34: use Apache::lonnet;
1.54      sakharuk   35: use Apache::loncommon;
1.13      sakharuk   36: use Apache::inputtags;
1.54      sakharuk   37: use Apache::grades;
1.13      sakharuk   38: use Apache::edit;
1.5       sakharuk   39: use Apache::File();
1.68      sakharuk   40: use Apache::lonnavmaps;
1.227     sakharuk   41: use Apache::lonratedt;
1.34      sakharuk   42: use POSIX qw(strftime);
1.255     www        43: use Apache::lonlocal;
1.60      sakharuk   44: use GDBM_File;
                     45: 
                     46: 
                     47: my %hash;
1.76      sakharuk   48: my $LaTeXwidth = 0;
1.3       sakharuk   49: 
1.2       sakharuk   50: 
1.71      sakharuk   51: sub latex_header_footer_remove {
                     52:     my $text = shift;
                     53:     $text =~ s/\\end{document}//;
                     54:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                     55:     return $text;
                     56: }
                     57: 
                     58: 
1.37      sakharuk   59: sub character_chart {
                     60:     my $result = shift;	
1.116     sakharuk   61:     $result =~ s/&\#0?0?(7|9);//g;
                     62:     $result =~ s/&\#0?(10|13);//g;
                     63:     $result =~ s/&\#0?32;/ /g;
                     64:     $result =~ s/&\#0?33;/!/g;
                     65:     $result =~ s/&(\#0?34|quot);/\"/g;
                     66:     $result =~ s/&\#0?35;/\\\#/g;
                     67:     $result =~ s/&\#0?36;/\\\$/g;
                     68:     $result =~ s/&\#0?37;/\\%/g; 
                     69:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                     70:     $result =~ s/&\#(0?39|146);/\'/g;
                     71:     $result =~ s/&\#0?40;/(/g;
                     72:     $result =~ s/&\#0?41;/)/g;
                     73:     $result =~ s/&\#0?42;/\*/g;
                     74:     $result =~ s/&\#0?43;/\+/g;
                     75:     $result =~ s/&\#(0?44|130);/,/g;
                     76:     $result =~ s/&\#0?45;/-/g;
                     77:     $result =~ s/&\#0?46;/\./g;
                     78:     $result =~ s/&\#0?47;/\//g;
                     79:     $result =~ s/&\#0?48;/0/g;
                     80:     $result =~ s/&\#0?49;/1/g;
                     81:     $result =~ s/&\#0?50;/2/g;
                     82:     $result =~ s/&\#0?51;/3/g;
                     83:     $result =~ s/&\#0?52;/4/g;
                     84:     $result =~ s/&\#0?53;/5/g;
                     85:     $result =~ s/&\#0?54;/6/g;
                     86:     $result =~ s/&\#0?55;/7/g;
                     87:     $result =~ s/&\#0?56;/8/g;
                     88:     $result =~ s/&\#0?57;/9/g;
1.269     albertel   89:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk   90:     $result =~ s/&\#0?59;/;/g;
                     91:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk   92:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                     93:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk   94:     $result =~ s/&\#0?63;/\?/g;
                     95:     $result =~ s/&\#0?65;/A/g;
                     96:     $result =~ s/&\#0?66;/B/g;
                     97:     $result =~ s/&\#0?67;/C/g;
                     98:     $result =~ s/&\#0?68;/D/g;
                     99:     $result =~ s/&\#0?69;/E/g;
                    100:     $result =~ s/&\#0?70;/F/g;
                    101:     $result =~ s/&\#0?71;/G/g;
                    102:     $result =~ s/&\#0?72;/H/g;
                    103:     $result =~ s/&\#0?73;/I/g;
                    104:     $result =~ s/&\#0?74;/J/g;
                    105:     $result =~ s/&\#0?75;/K/g;
                    106:     $result =~ s/&\#0?76;/L/g;
                    107:     $result =~ s/&\#0?77;/M/g;
                    108:     $result =~ s/&\#0?78;/N/g;
                    109:     $result =~ s/&\#0?79;/O/g;
                    110:     $result =~ s/&\#0?80;/P/g;
                    111:     $result =~ s/&\#0?81;/Q/g;
                    112:     $result =~ s/&\#0?82;/R/g;
                    113:     $result =~ s/&\#0?83;/S/g;
                    114:     $result =~ s/&\#0?84;/T/g;
                    115:     $result =~ s/&\#0?85;/U/g;
                    116:     $result =~ s/&\#0?86;/V/g;
                    117:     $result =~ s/&\#0?87;/W/g;
                    118:     $result =~ s/&\#0?88;/X/g;
                    119:     $result =~ s/&\#0?89;/Y/g;
                    120:     $result =~ s/&\#0?90;/Z/g;
                    121:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  122:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  123:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  124:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  125:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    126:     $result =~ s/&\#(0?96|145);/\`/g;
                    127:     $result =~ s/&\#0?97;/a/g;
                    128:     $result =~ s/&\#0?98;/b/g;
                    129:     $result =~ s/&\#0?99;/c/g;
                    130:     $result =~ s/&\#100;/d/g;
                    131:     $result =~ s/&\#101;/e/g;
                    132:     $result =~ s/&\#102;/f/g;
                    133:     $result =~ s/&\#103;/g/g;
                    134:     $result =~ s/&\#104;/h/g;
                    135:     $result =~ s/&\#105;/i/g;
                    136:     $result =~ s/&\#106;/j/g;
                    137:     $result =~ s/&\#107;/k/g;
                    138:     $result =~ s/&\#108;/l/g;
                    139:     $result =~ s/&\#109;/m/g;
                    140:     $result =~ s/&\#110;/n/g;
                    141:     $result =~ s/&\#111;/o/g;
                    142:     $result =~ s/&\#112;/p/g;
                    143:     $result =~ s/&\#113;/q/g;
                    144:     $result =~ s/&\#114;/r/g;
                    145:     $result =~ s/&\#115;/s/g;
                    146:     $result =~ s/&\#116;/t/g;
                    147:     $result =~ s/&\#117;/u/g;
                    148:     $result =~ s/&\#118;/v/g;
                    149:     $result =~ s/&\#119;/w/g;
                    150:     $result =~ s/&\#120;/x/g;
                    151:     $result =~ s/&\#121;/y/g;
                    152:     $result =~ s/&\#122;/z/g;
                    153:     $result =~ s/&\#123;/\\{/g;
                    154:     $result =~ s/&\#124;/\|/g;
                    155:     $result =~ s/&\#125;/\\}/g;
                    156:     $result =~ s/&\#126;/\~/g;
                    157:     $result =~ s/&\#131;/\\textflorin /g;
                    158:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  159:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    160:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    161:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  162:     $result =~ s/&\#137;/\\textperthousand /g;
                    163:     $result =~ s/&\#140;/{\\OE}/g;
                    164:     $result =~ s/&\#147;/\`\`/g;
                    165:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  166:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.116     sakharuk  167:     $result =~ s/&\#150;/--/g;
                    168:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  169:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  170:     $result =~ s/&\#153;/\\texttrademark /g;
                    171:     $result =~ s/&\#156;/\\oe/g;
                    172:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  173:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  174:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    175:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    176:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    177:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    178:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    179:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    180:     $result =~ s/&(\#167|sect);/\\textsection /g;
                    181:     $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
                    182:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    183:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  184:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  185:     $result =~ s/&(\#173|shy);/ - /g;
                    186:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  187:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    188:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    189:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    190:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    191:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.116     sakharuk  192:     $result =~ s/&(\#180|acute);/\\textacute /g;
1.281     sakharuk  193:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  194:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  195:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  196:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  197:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  198:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    199:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    200:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    201:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    202:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    203:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    204:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    205:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    206:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    207:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    208:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    209:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    210:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    211:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    212:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    213:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    214:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    215:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    216:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    217:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    218:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    219:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    220:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    221:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    222:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    223:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    224:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  225:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  226:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    227:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    228:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    229:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    230:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    231:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
                    232:     $result =~ s/&(\#223|szlig);/\\ss/g;
                    233:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    234:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    235:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    236:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    237:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    238:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    239:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    240:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    241:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    242:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    243:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    244:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    245:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    246:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    247:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    248:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  249:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  250:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    251:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    252:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    253:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    254:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    255:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  256:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  257:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    258:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    259:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    260:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    261:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    262:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    263:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.281     sakharuk  264:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk  265: #Greek Alphabet
1.281     sakharuk  266:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                    267:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                    268:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                    269:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                    270:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                    271:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                    272:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                    273:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                    274:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                    275:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                    276:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                    277:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                    278:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                    279:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk  280:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk  281:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                    282:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                    283:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                    284:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                    285:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                    286:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                    287:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                    288:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                    289:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                    290:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                    291:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk  292:     $result =~ s/&(Alpha|\#913);/A/g;
                    293:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk  294:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                    295:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk  296:     $result =~ s/&(Epsilon|\#917);/E/g;
                    297:     $result =~ s/&(Zeta|\#918);/Z/g;
                    298:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk  299:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk  300:     $result =~ s/&(Iota|\#921);/I/g;
                    301:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk  302:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk  303:     $result =~ s/&(Mu|\#924);/M/g;
                    304:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk  305:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk  306:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk  307:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk  308:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk  309:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk  310:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk  311:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                    312:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk  313:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk  314:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                    315:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk  316: #Arrows (extended HTML 4.01)
1.281     sakharuk  317:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                    318:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                    319:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                    320:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                    321:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                    322:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                    323:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                    324:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                    325:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                    326:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk  327: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk  328:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                    329:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                    330:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                    331:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                    332:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                    333:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                    334:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                    335:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                    336:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                    337:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                    338:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
                    339:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                    340:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                    341:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                    342:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                    343:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                    344:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                    345:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                    346:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                    347:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                    348:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                    349:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                    350:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                    351:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                    352:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                    353:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                    354:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                    355:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                    356:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                    357:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                    358:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                    359:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                    360:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                    361:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                    362:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                    363:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                    364:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk  365: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk  366:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk  367: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk  368:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                    369:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                    370:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                    371:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.37      sakharuk  372:     return $result;
                    373: }
1.41      sakharuk  374: 
                    375: 
1.177     sakharuk  376: sub page_format {
1.140     sakharuk  377: #
                    378: #Correspondence between $papersize variable and real paper format:
                    379: # 0 - "Letter [8 1/2x11 in]"
                    380: # 1 - "Legal [8 1/2x14 in]"
                    381: # 2 - "Ledger/Tabloid [11x17 in]"
                    382: # 3 - "Executive [7 1/2x10 in]"
                    383: # 4 - "A2 [420x594 mm]"
                    384: # 5 - "A3 [297x420 mm]"
                    385: # 6 - "A4 [210x297 mm]"
                    386: # 7 - "A5 [148x210 mm]"
                    387: # 8 - "A6 [105x148 mm]"
                    388: # 
                    389:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.202     sakharuk  390:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = (0,0,0,0,0);
1.140     sakharuk  391:     if ($papersize eq '0') {
                    392: 	if ($layout eq 'book') {
                    393: 	    if ($numberofcolumns == 1) {
1.190     sakharuk  394: 		$textwidth = '7.1 in';      #'18 cm';
                    395: 		$textheight = '10.2 in';    #'25.9 cm';
1.140     sakharuk  396: 		$oddoffset = '-0.57 in';
                    397: 		$evenoffset = '-0.57 in';
                    398: 	    } elsif ($numberofcolumns == 2) {
1.190     sakharuk  399: 		$textwidth = '3.66 in';     #'93 mm';
                    400: 		$textheight = '10.2 in';    #'25.9 cm';
1.140     sakharuk  401: 		$oddoffset = '-0.57 in';
                    402: 		$evenoffset = '-0.57 in';
                    403: 	    }
                    404: 	} elsif ($layout eq 'album') {
                    405: 	    if ($numberofcolumns eq '1') {
                    406: 		$textwidth = '8.8 in';
                    407: 		$textheight = '6.8 in';
                    408: 		$oddoffset = '-40 pt';
                    409: 		$evenoffset = '-60 pt';
                    410: 	    } elsif ($numberofcolumns == 2) {
1.202     sakharuk  411: 		$textwidth = '4.4 in';
1.140     sakharuk  412: 		$textheight = '6.8 in';
1.202     sakharuk  413: 		$oddoffset = '-0.5 in';
                    414: 		$evenoffset = '-1.5 in';
                    415: 		$topmargin = '3.5 in';
1.140     sakharuk  416: 	    }
                    417: 	}
                    418: #    } elsif($papersize eq '1') {
                    419: #    } elsif($papersize eq '2') {
                    420: #    } elsif($papersize eq '3'/) {
                    421:     } elsif($papersize eq '6') {
                    422: 	if ($layout eq 'book') {
                    423: 	    if ($numberofcolumns == 1) {
                    424: 		$textwidth = '18 cm';
                    425: 		$textheight = '28 cm';
                    426: 		$oddoffset = '-0.57 in';
                    427: 		$evenoffset = '-0.57 in';
                    428: 	    } elsif ($numberofcolumns == 2) {
                    429: 		$textwidth = '96 mm';
                    430: 		$textheight = '2 cm';
                    431: 		$oddoffset = '-0.57 in';
                    432: 		$evenoffset = '-0.57 in';
                    433: 	    }
                    434: 	} elsif ($layout eq 'album') {
                    435: 	    if ($numberofcolumns eq '1') {
                    436: 		$textwidth = '8.5 in';
                    437: 		$textheight = '7.7 in';
                    438: 		$oddoffset = '-40 pt';
                    439: 		$evenoffset = '-60 pt';
                    440: 	    } elsif ($numberofcolumns == 2) {
                    441: 		$textwidth = '3.9 in';
                    442: 		$textheight = '7.7 in';
                    443: 		$oddoffset = '-40 pt';
                    444: 		$evenoffset = '-60 pt';
                    445: 	    }
                    446: 	}
                    447: #    } elsif($papersize eq '5') {
                    448: #    } elsif($papersize eq '4') {
                    449: #    } elsif($papersize eq '7') {
                    450: #    } elsif($papersize eq '8') {
1.76      sakharuk  451:     }
1.202     sakharuk  452:     return $textwidth,$textheight,$oddoffset,$evenoffset,$topmargin;
1.140     sakharuk  453: }
1.76      sakharuk  454: 
                    455: 
1.126     albertel  456: sub get_name {
                    457:     my ($uname,$udom)=@_;
                    458:     if (!defined($uname)) { $uname=$ENV{'user.name'}; }
1.212     albertel  459:     if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
1.126     albertel  460:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel  461:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
                    462:     $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
                    463:     return $plainname;
1.126     albertel  464: }
                    465: 
1.213     albertel  466: sub get_course {
                    467:     my $courseidinfo;
                    468:     if (defined($ENV{'request.course.id'})) {
                    469: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
                    470:     }
                    471:     return $courseidinfo;
                    472: }
1.177     sakharuk  473: 
1.76      sakharuk  474: sub page_format_transformation {
1.214     sakharuk  475:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist) = @_; 
1.202     sakharuk  476:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.222     sakharuk  477:     $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1.261     sakharuk  478:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.126     albertel  479:     my $name = &get_name();
1.213     albertel  480:     my $courseidinfo = &get_course();
                    481:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.140     sakharuk  482:     if ($layout eq 'album') {
1.202     sakharuk  483: 	my $topmargintoinsert = '';
                    484: 	if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.213     albertel  485: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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  486:     } elsif ($layout eq 'book') {
                    487: 	if ($choice ne 'All class print') { 
1.213     albertel  488: 	    $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  489: 	} else {
1.190     sakharuk  490: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
1.140     sakharuk  491: 	}
                    492:     }
1.214     sakharuk  493:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                    494:     if ($indexlist eq 'yes') {
                    495: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                    496: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                    497:     }
1.140     sakharuk  498:     return $text;
                    499: }
                    500: 
                    501: 
1.33      sakharuk  502: sub page_cleanup {
                    503:     my $result = shift;	
1.65      sakharuk  504:  
                    505:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk  506:     my $number_of_columns = $1;
1.33      sakharuk  507:     my $insert = '{';
1.34      sakharuk  508:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk  509:     $insert .= '}';
1.65      sakharuk  510:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk  511:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                    512:     return $result,$number_of_columns;
1.7       sakharuk  513: }
1.5       sakharuk  514: 
1.3       sakharuk  515: 
1.60      sakharuk  516: sub details_for_menu {
                    517: 
1.269     albertel  518:     my $name_of_resourse = &Apache::lonnet::gettitle($ENV{'form.postdata'});
1.60      sakharuk  519:     my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
1.233     www       520:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel  521:     $map=&Apache::lonnet::clutter($map);
1.269     albertel  522:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel  523:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel  524: 	$map =~ m|([^/]+)$|;
                    525: 	$name_of_sequence = $1;
1.63      albertel  526:     }
1.269     albertel  527:     my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'});
1.63      albertel  528:     if ($name_of_map =~ /^\s*$/) {
1.123     albertel  529: 	$ENV{'request.course.uri'} =~ m|([^/]+)$|;
                    530: 	$name_of_map = $1;
                    531:     }
1.63      albertel  532:     return ($name_of_resourse,$name_of_sequence,$name_of_map);
1.60      sakharuk  533: 
1.76      sakharuk  534: }
                    535: 
                    536: 
                    537: sub latex_corrections {
                    538: 
                    539:     my ($number_of_columns,$result) = @_;
                    540: 
1.185     sakharuk  541: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76      sakharuk  542:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk  543:     $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/;
                    544:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                    545:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk  546: #-- LaTeX corrections     
                    547:     my $first_comment = index($result,'<!--',0);
                    548:     while ($first_comment != -1) {
                    549: 	my $end_comment = index($result,'-->',$first_comment);
                    550: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                    551: 	$first_comment = index($result,'<!--',$first_comment);
                    552:     }
                    553:     $result =~ s/^\s+$//gm; #remove empty lines
1.94      sakharuk  554:     $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
1.76      sakharuk  555:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                    556:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                    557:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
                    558: 	$result =~ s/\\\\\s+\[/ \[/g;
                    559:     $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
                    560:     #conversion of html characters to LaTeX equivalents
                    561:     if ($result =~ m/&(\w+|#\d+);/) {
                    562: 	$result = &character_chart($result);
                    563:     }
                    564:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                    565:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                    566: 
                    567:     return $result;
1.60      sakharuk  568: }
                    569: 
1.3       sakharuk  570: 
1.214     sakharuk  571: sub index_table {
                    572:     my $currentURL = shift;
                    573:     my $insex_string='';
                    574:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                    575:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                    576:     return $insex_string;
                    577: }
                    578: 
                    579: 
1.215     sakharuk  580: sub IndexCreation {
                    581:     my ($texversion,$currentURL)=@_;
                    582:     my @key_words=split(/,/,&index_table($currentURL));
                    583:     my $chunk='';
                    584:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                    585:     if ($st>0) {
                    586: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                    587: 	$chunk=substr($texversion,0,$st+1);
                    588: 	substr($texversion,0,$st+1)=' ';
                    589:     }
                    590:     foreach my $key_word (@key_words) {
                    591: 	if ($key_word=~/\S+/) {
                    592: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                    593: 	}
                    594:     }			
                    595:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                    596:     return $texversion;
                    597: }
                    598: 
1.242     sakharuk  599: sub print_latex_header {
                    600:     my $mode=shift;
                    601:     my $output='\documentclass[letterpaper]{article}';
                    602:     if ($mode eq 'batchmode') {
                    603: 	$output.='\batchmode';
                    604:     }
                    605:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'.
                    606: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
                    607: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
                    608: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
                    609: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
                    610: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
                    611: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
                    612: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'.
                    613: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
                    614: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
                    615: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
                    616: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
                    617: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
                    618: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
                    619: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'.
                    620: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
                    621:     return $output;	     
                    622: }
                    623: 
                    624: sub path_to_problem {
                    625:     my ($urlp,$LaTeXwidth)=@_;
                    626:     my $newurlp = '';
                    627:     $LaTeXwidth=~s/\s*mm\s*$//;
                    628:     my $HowMany = length($urlp)*2;
                    629:     if ($HowMany > $LaTeXwidth) {
                    630: 	my @temporrary = split '/',$urlp;
                    631: 	my $HowManyNew = 0;
                    632: 	for (my $ii=0;$ii<=$#temporrary;$ii++) {
                    633: 	    if ($temporrary[$ii] ne '') {
                    634: 		$HowManyNew += length($temporrary[$ii])*2;
                    635: 		if ($HowManyNew < $LaTeXwidth ) {
                    636: 		    $newurlp .=  '/'.$temporrary[$ii];
                    637: 		} else {
                    638: 		    $HowManyNew = 0;
                    639: 		    $newurlp .=  '|\vskip -1 mm \noindent \verb|';
                    640: 		    $ii--;
                    641: 		}
                    642: 	    }
                    643: 	}
1.253     sakharuk  644:     } else {
                    645: 	$newurlp=$urlp;
1.242     sakharuk  646:     }
                    647:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                    648: }
1.215     sakharuk  649: 
1.275     sakharuk  650: sub recalcto_mm {
                    651:     my $textwidth=shift;
                    652:     my $LaTeXwidth;
                    653:     if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
                    654: 	$LaTeXwidth = $1*10;
                    655:     } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
                    656: 	$LaTeXwidth = $1;
                    657:     } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
                    658: 	$LaTeXwidth = $1*25.4;
                    659:     }
                    660:     $LaTeXwidth.=' mm';
                    661:     return $LaTeXwidth;
                    662: }
                    663: 
1.285     albertel  664: sub get_textwidth {
                    665:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel  666:     my $textwidth=$LaTeXwidth;
1.285     albertel  667:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                    668: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel  669: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                    670: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel  671:     }
1.286     albertel  672:     return $textwidth;
1.285     albertel  673: }
                    674: 
1.177     sakharuk  675: sub output_data {
1.184     sakharuk  676:     my ($r,$helper,$rparmhash) = @_;
                    677:     my %parmhash = %$rparmhash;
1.187     www       678:     my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
1.140     sakharuk  679:     $r->print(<<ENDPART);
                    680: <html>
1.264     sakharuk  681: <script type="text/javascript" language="Javascript" >
                    682:     var editbrowser;
                    683:     function openbrowser(formname,elementname,only,omit) {
                    684:         var url = '/res/?';
                    685:         if (editbrowser == null) {
                    686:             url += 'launch=1&';
                    687:         }
                    688:         url += 'catalogmode=interactive&';
                    689:         url += 'mode=parmset&';
                    690:         url += 'form=' + formname + '&';
                    691:         if (only != null) {
                    692:             url += 'only=' + only + '&';
                    693:         } 
                    694:         if (omit != null) {
                    695:             url += 'omit=' + omit + '&';
                    696:         }
                    697:         url += 'element=' + elementname + '';
                    698:         var title = 'Browser';
                    699:         var options = 'scrollbars=1,resizable=1,menubar=0';
                    700:         options += ',width=700,height=600';
                    701:         editbrowser = open(url,title,options,'1');
                    702:         editbrowser.focus();
                    703:     }
                    704: </script>
1.140     sakharuk  705: <head>
                    706: <title>LON-CAPA output for printing</title>
                    707: </head>
1.187     www       708: $bodytag
                    709: Please stand by while processing your print request, this may take some time ...
1.140     sakharuk  710: ENDPART
                    711: 
                    712:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                    713:     my ($result,$selectionmade) = ('','');
                    714:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                    715:     my @temporary_array=split /\|/,$format_from_helper;
                    716:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                    717:     if ($laystyle eq 'L') {
                    718: 	$laystyle='album';
                    719:     } else {
                    720: 	$laystyle='book';
                    721:     }
1.177     sakharuk  722:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.140     sakharuk  723:     my $assignment =  $ENV{'form.assignment'};
1.275     sakharuk  724:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk  725:     my @print_array=();
1.274     sakharuk  726:     my @student_names=();
1.153     sakharuk  727:     
1.140     sakharuk  728:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk  729:       #-- single document - problem, page, html, xml, ...
                    730: 	my $currentURL;
1.162     sakharuk  731: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk  732:             #prints published resource
1.153     sakharuk  733: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.143     sakharuk  734: 	} else {
1.185     sakharuk  735:             #prints resource from the construction space
1.240     albertel  736: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk  737: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.143     sakharuk  738: 	}
1.140     sakharuk  739: 	$selectionmade = 1;
1.143     sakharuk  740: 	if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel  741: 	    my $rndseed=time;
1.242     sakharuk  742: 	    my $texversion='';
                    743: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    744: 		my %moreenv;
                    745: 		$moreenv{'request.filename'}=$currentURL;
1.265     sakharuk  746: 		if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                    747: 		    $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
                    748: 		    my $dom = $ENV{'user.domain'};
                    749: 		    my $user = $ENV{'user.name'};
                    750: 		    my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
                    751: 		}
1.242     sakharuk  752: 		my %form;
                    753: 		$form{'grade_target'}='tex';
1.285     albertel  754: 		$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.242     sakharuk  755: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                    756: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    757: 		if ($helper->{'VARS'}->{'curseed'}) {
                    758: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                    759: 		}
                    760: 		$form{'rndseed'}=$rndseed;
                    761: 		&Apache::lonnet::appenv(%moreenv);
                    762: 		&Apache::lonnet::delenv('form.counter');
                    763: 		&Apache::lonxml::init_counter();
1.275     sakharuk  764: 		$texversion.=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  765: 		&Apache::lonnet::delenv('form.counter');
                    766: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel  767: 	    }
1.242     sakharuk  768: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    769: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.166     albertel  770: 		my %form;
                    771: 		$form{'grade_target'}='answer';
1.167     albertel  772: 		$form{'answer_output_mode'}='tex';
1.169     albertel  773: 		$form{'rndseed'}=$rndseed;
1.166     albertel  774: 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  775: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    776: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    777: 		} else {
                    778: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk  779: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                    780: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                    781: 			$texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                    782: 		    } else {
                    783: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                    784: 			my $URLpath=$currentURL;
                    785: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                    786: 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                    787: 		    }
1.242     sakharuk  788: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    789: 		}
1.163     sakharuk  790: 	    }
1.214     sakharuk  791: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk  792: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk  793: 	    }
1.219     sakharuk  794: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                    795: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                    796: 
                    797: 	    }
1.162     sakharuk  798: 	    $result .= $texversion;
                    799: 	    if ($currentURL=~m/\.page\s*$/) {
                    800: 		($result,$number_of_columns) = &page_cleanup($result);
                    801: 	    }
1.227     sakharuk  802:         } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
                    803:             #printing content of sequence from the construction space	
                    804: 	    my $flag_latex_header_remove = 'NO'; 
                    805: 	    my $rndseed=time;
1.231     albertel  806: 	    if ($helper->{'VARS'}->{'curseed'}) {
                    807: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                    808: 	    }
1.227     sakharuk  809: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                    810: 	    my $errtext=&Apache::lonratedt::mapread($currentURL);
                    811: 	    for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
                    812: 		$Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
                    813: 		my $urlp=$2;
                    814: 		if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.245     sakharuk  815: 		    my $texversion='';
                    816: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    817: 			my %form;
                    818: 			$form{'grade_target'}='tex';
1.285     albertel  819: 			$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.245     sakharuk  820: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                    821: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    822: 			$form{'rndseed'}=$rndseed;
                    823: 			$texversion=&Apache::lonnet::ssi($urlp,%form);
                    824: 		    }
1.249     sakharuk  825: 		    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    826: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                    827: 		       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1.227     sakharuk  828: 			my %form;
                    829: 			$form{'grade_target'}='answer';
                    830: 			$form{'answer_output_mode'}='tex';
                    831: 			$form{'rndseed'}=$rndseed;
1.232     sakharuk  832:                         if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
1.227     sakharuk  833: 			my $answer=&Apache::lonnet::ssi($urlp,%form);
1.245     sakharuk  834: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    835: 			    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    836: 			} else {
                    837: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                    838: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                    839: 			    $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                    840: 			    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    841: 			}
1.227     sakharuk  842: 		    }
                    843: 		    if ($flag_latex_header_remove ne 'NO') {
                    844: 			$texversion = &latex_header_footer_remove($texversion);
                    845: 		    } else {
                    846: 			$texversion =~ s/\\end{document}//;
                    847: 		    }
                    848: 		    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                    849: 			$texversion=&IndexCreation($texversion,$urlp);
                    850: 		    }
1.232     sakharuk  851: 		    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1.227     sakharuk  852: 			$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                    853: 		    }
                    854: 		    $result.=$texversion;
                    855: 		    $flag_latex_header_remove = 'YES';
                    856: 		} elsif ($urlp=~/\.(sequence|page)$/) {
1.229     sakharuk  857: 		    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1.227     sakharuk  858: 		}  
                    859: 	    }
1.228     sakharuk  860: 	    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.227     sakharuk  861: 	    $result .= '\end{document}';   
1.258     sakharuk  862: 	} elsif ($currentURL=~/\/smppg$/) { 
                    863: 		my %form;
                    864: 		$form{'grade_target'}='tex';
1.285     albertel  865: 		$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.258     sakharuk  866: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    867: 		my $texversion=&Apache::lonnet::ssi($currentURL,%form);
                    868: 		$result .= $texversion;
1.162     sakharuk  869: 	} else {
1.227     sakharuk  870: 	  $result.='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
1.207     sakharuk  871: 	  if ($currentURL=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
                    872: 	      $result.=$1;
                    873: 	  } elsif ($currentURL=~/\/ext\//) {
                    874: 	      $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
                    875: 	  } else {
                    876: 	      $result.=$currentURL;
                    877: 	  }
                    878: 	  $result.=' \end{document}'
1.162     sakharuk  879: 	}
1.142     sakharuk  880:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
                    881:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.252     sakharuk  882:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
                    883: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.141     sakharuk  884:         #-- produce an output string
1.193     sakharuk  885: 	my %form=();	   
                    886: 	$form{'grade_target'}='tex';
1.285     albertel  887: 	$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.193     sakharuk  888: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.203     sakharuk  889: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.141     sakharuk  890: 	my $flag_latex_header_remove = 'NO';
                    891: 	my $flag_page_in_sequence = 'NO';
                    892: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk  893: 	my $prevassignment='';
1.270     sakharuk  894: 	&Apache::lonnet::delenv('form.counter');
1.201     sakharuk  895: 	&Apache::lonxml::init_counter();
1.141     sakharuk  896: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.236     albertel  897: 	    my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel  898: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.141     sakharuk  899: 	    if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1.142     sakharuk  900: 		$selectionmade = 2;
                    901: 	    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                    902: 		$selectionmade = 3;
                    903: 	    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                    904: 		$selectionmade = 4;
1.254     sakharuk  905: 	    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                    906: 		$selectionmade = 7;
1.141     sakharuk  907: 	    }
1.166     albertel  908: 	    $form{'symb'}=$master_seq[$i];
1.236     albertel  909: 	    my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
                    910: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1.267     sakharuk  911: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk  912: 	    if ($i==0) {$prevassignment=$assignment;}
1.141     sakharuk  913: 	    #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
1.259     sakharuk  914: 	    my $texversion.=&Apache::lonnet::ssi($urlp,%form);
1.141     sakharuk  915: 	    if ($urlp=~/\.page$/) {
                    916: 		($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                    917: 		if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                    918: 		$texversion =~ s/\\end{document}\d*/\\end{document}/;
                    919: 		$flag_page_in_sequence = 'YES';
                    920: 	    } 
1.260     sakharuk  921: 	    my $lonidsdir=$r->dir_config('lonIDsDir');
                    922: 	    my $envfile=$ENV{'user.environment'};
                    923: 	    $envfile=~/\/([^\/]+)\.id$/;
                    924:             $envfile=$1;
                    925: 	    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                    926: 	    my $current_counter=$ENV{'form.counter'};
1.246     sakharuk  927: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    928: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                    929: 		my %form;
                    930: 		$form{'grade_target'}='answer';
                    931: 		$form{'answer_output_mode'}='tex';
                    932: 		my $answer=&Apache::lonnet::ssi($urlp,%form);
1.260     sakharuk  933:                 &Apache::lonnet::appenv(('form.counter' => $current_counter));
1.246     sakharuk  934: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    935: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    936: 		} else {
1.249     sakharuk  937: 		    if ($urlp=~/\.(problem|exam|quiz|library)$/) {
                    938: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                    939: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
                    940: 			$texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                    941: 			$texversion.='\vskip 1 mm '.$answer;
                    942: 		    } else {
                    943: 			$texversion='';
                    944: 		    }
1.246     sakharuk  945: 		}
                    946: 	    }
1.141     sakharuk  947: 	    if ($flag_latex_header_remove ne 'NO') {
                    948: 		$texversion = &latex_header_footer_remove($texversion);
                    949: 	    } else {
                    950: 		$texversion =~ s/\\end{document}//;
                    951: 	    }
1.215     sakharuk  952: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                    953: 		$texversion=&IndexCreation($texversion,$urlp);
                    954: 	    }
1.247     sakharuk  955: 	    if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                    956: 		my $name = &get_name();
                    957: 		my $courseidinfo = &get_course();
1.213     albertel  958: 		if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.193     sakharuk  959: 		$prevassignment=$assignment;
1.213     albertel  960: 		$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
1.193     sakharuk  961: 	    }
                    962: 	    $result .= $texversion;
1.141     sakharuk  963: 	    $flag_latex_header_remove = 'YES';   
                    964: 	}
                    965: 	&Apache::lonnet::delenv('form.counter');
                    966: 	if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}	
                    967: 	$result .= '\end{document}';
1.284     albertel  968:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
                    969: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.150     sakharuk  970:      #-- prints assignments for whole class or for selected students  
1.284     albertel  971: 	 my $type;
1.254     sakharuk  972: 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
                    973: 	     $selectionmade=5;
1.284     albertel  974: 	     $type='problems';
1.254     sakharuk  975: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                    976: 	     $selectionmade=8;
1.284     albertel  977: 	     $type='resources';
1.254     sakharuk  978: 	 }
1.150     sakharuk  979: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.278     albertel  980:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                    981: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                    982: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                    983: 	 }
1.150     sakharuk  984: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                    985: 	 #loop over students
                    986: 	 my $flag_latex_header_remove = 'NO'; 
                    987: 	 my %moreenv;
1.285     albertel  988: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.150     sakharuk  989: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
1.272     sakharuk  990: 	 my $student_counter=-1;
1.150     sakharuk  991: 	 foreach my $person (@students) {
1.272     sakharuk  992: 	     $student_counter++;
1.284     albertel  993: 	     my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                    994: 	     my ($output,$fullname)=&print_resources($r,$helper,$person,$type,\%moreenv,\@master_seq,$flag_latex_header_remove);
                    995: 	     $print_array[$i].=$output;
                    996: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                    997: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                    998: 	     $flag_latex_header_remove = 'YES';
                    999: 	 }
                   1000: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1001: 	 $result .= $print_array[0].'  \end{document}';
                   1002:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   1003: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.288   ! albertel 1004: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
        !          1005: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
        !          1006: 	 if ($helper->{'VARS'}->{'REMEBER_ANON_CODES'} != 1) {
        !          1007: 	     $code_name=undef;
        !          1008: 	 }
1.284     albertel 1009: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.288   ! albertel 1010: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
        !          1011: 	 my $flag_latex_header_remove = 'NO'; 
        !          1012: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
        !          1013: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline');
        !          1014: 	 my $seed=time+($$<<16)+($$);
        !          1015: 	 my %allcodes;
        !          1016: 	 for (my $i=0;$i<$num_todo;$i++) {
        !          1017: 	     $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
        !          1018: 	     my ($output,$fullname)=
        !          1019: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
        !          1020: 				  \@master_seq,$flag_latex_header_remove);
        !          1021: 	     $print_array[$i].=$output;
        !          1022: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
        !          1023: 				       &mt('last assignment').' '.$fullname);
        !          1024: 	     $flag_latex_header_remove = 'YES';
        !          1025: 	 }
        !          1026: 	 if ($code_name) {
        !          1027: 	     my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
        !          1028: 	     my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
        !          1029: 	     &Apache::lonnet::put('CODEs',
        !          1030: 				  { $code_name => join(',',keys(%allcodes)) },
        !          1031: 				  $cdom,$cnum);
        !          1032: 	 }
        !          1033: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
        !          1034: 	 $result .= $print_array[0].'  \end{document}';
        !          1035:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 1036:     #prints selected problems from the subdirectory 
                   1037: 	$selectionmade = 6;
                   1038:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 1039: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 1040: 	my $flag_latex_header_remove = 'NO'; 
                   1041: 	my $rndseed=time;
1.230     albertel 1042: 	if ($helper->{'VARS'}->{'curseed'}) {
                   1043: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1044: 	}
1.151     sakharuk 1045: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.152     sakharuk 1046: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 1047: 	    $urlp=~s|//|/|;
1.152     sakharuk 1048: 	    if ($urlp=~/\//) {
1.166     albertel 1049: 		my %form;
                   1050: 		$form{'grade_target'}='tex';
1.285     albertel 1051: 		$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.175     sakharuk 1052: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 1053: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   1054: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   1055: 		} else {
                   1056: 		    $urlp =~ s|^/home/httpd/html||;
                   1057: 		}
1.166     albertel 1058: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1059: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 1060: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.174     sakharuk 1061: 		    my %form;
                   1062: 		    $form{'grade_target'}='answer';
                   1063: 		    $form{'answer_output_mode'}='tex';
1.203     sakharuk 1064: 		    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.174     sakharuk 1065: 		    $form{'rndseed'}=$rndseed;
                   1066: 		    my $answer=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1067: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1068: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1069: 		    } else {
1.253     sakharuk 1070: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1071: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1072: 			    $texversion.='\vskip 0 mm \noindent ';
                   1073: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1074: 			} else {
                   1075: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1076: 			    my $URLpath=$urlp;
                   1077: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1078: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1079: 			}
                   1080: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 1081: 		    }
1.174     sakharuk 1082: 		}
1.151     sakharuk 1083:                 #this chunck is responsible for printing the path to problem
1.253     sakharuk 1084: 		my $newurlp=$urlp;
                   1085: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   1086: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 1087: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 1088: 		if ($flag_latex_header_remove ne 'NO') {
                   1089: 		    $texversion = &latex_header_footer_remove($texversion);
                   1090: 		} else {
                   1091: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 1092: 		}
                   1093: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1094: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 1095: 		}
1.219     sakharuk 1096: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1097: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1098: 		    
                   1099: 		}
1.152     sakharuk 1100: 		$result .= $texversion;
                   1101: 	    }
                   1102: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 1103: 	}
1.175     sakharuk 1104: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 1105: 	$result .= '\end{document}';      	
1.140     sakharuk 1106:     }
                   1107: #-------------------------------------------------------- corrections for the different page formats
1.214     sakharuk 1108:     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'});
1.140     sakharuk 1109:     $result = &latex_corrections($number_of_columns,$result);
1.272     sakharuk 1110:     for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i]);}
1.190     sakharuk 1111:     #changes page's parameters for the one column output 
1.195     sakharuk 1112:     if ($numberofcolumns == 1) {
1.261     sakharuk 1113: 	$result =~ s/\\textwidth\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   1114: 	$result =~ s/\\textheight\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   1115: 	$result =~ s/\\evensidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1116: 	$result =~ s/\\oddsidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.195     sakharuk 1117:     }
1.140     sakharuk 1118: #-- writing .tex file in prtspool 
                   1119:     my $temp_file;
1.277     albertel 1120:     my $identifier = &Apache::loncommon::get_cgi_id();
                   1121:     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
                   1122:     if (!($#print_array>0)) { 
                   1123: 	unless ($temp_file = Apache::File->new('>'.$filename)) {
                   1124: 	    $r->log_error("Couldn't open $filename for output $!");
                   1125: 	    return SERVER_ERROR; 
                   1126: 	}
                   1127: 	print $temp_file $result;
                   1128: 	my $begin=index($result,'\begin{document}',0);
                   1129: 	my $inc=substr($result,0,$begin+16);
                   1130:     } else {
                   1131: 	my $begin=index($result,'\begin{document}',0);
                   1132: 	my $inc=substr($result,0,$begin+16);
                   1133:         for (my $i=0;$i<=$#print_array;$i++) {
                   1134: 	    if ($i==0) {
                   1135: 		$print_array[$i]=$result;
                   1136: 	    } else {
                   1137: 		my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   1138: 		substr($print_array[$i],0,$anobegin)='';
                   1139: 		$print_array[$i]=$inc.$print_array[$i].'\end{document}';
                   1140: 	    }
1.272     sakharuk 1141: 	    my $temp_file;
1.273     sakharuk 1142: 	    my $newfilename=$filename;
1.277     albertel 1143: 	    my $num=$i+1;
                   1144: 	    $newfilename =~s/\.tex$/_$num\.tex/; 
1.272     sakharuk 1145: 	    unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   1146: 		$r->log_error("Couldn't open $newfilename for output $!");
                   1147: 		return SERVER_ERROR; 
                   1148: 	    }
                   1149: 	    print $temp_file $print_array[$i];
                   1150: 	}
                   1151:     }
1.274     sakharuk 1152:     my $student_names='';
                   1153:     if ($#print_array>0) {
                   1154: 	for (my $i=0;$i<=$#print_array;$i++) {
                   1155: 	    $student_names.=$student_names[$i].'_ENDPERSON_';
                   1156: 	}
1.277     albertel 1157:     } else {
1.278     albertel 1158: 	if ($#student_names>-1) {
                   1159: 	    $student_names=$student_names[0].'_ENDPERSON_';
                   1160: 	} else {
                   1161: 	    my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
                   1162: 	    $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
                   1163: 				$ENV{'request.course.sec'},$fullname).
                   1164: 				    '_ENDPERSON_'.'_END_';
                   1165: 	}
1.274     sakharuk 1166:     }
                   1167: 
1.276     sakharuk 1168:     my $URLback=''; #link to original document
                   1169:     if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1170: 	#prints published resource
                   1171: 	$URLback=$helper->{'VARS'}->{'postdata'};
                   1172:     } else {
                   1173: 	#prints resource from the construction space
                   1174: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 1175: 	if ($URLback=~/([^?]+)/) {
                   1176: 	    $URLback=$1;
                   1177: 	    $URLback=~s|^/~|/priv/|;
                   1178: 	}
1.276     sakharuk 1179:     }
1.256     sakharuk 1180: 
1.257     sakharuk 1181:     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                   1182:                             'cgi.'.$identifier.'.layout'  => $laystyle,
                   1183:                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   1184:                             'cgi.'.$identifier.'.selection' => $selectionmade,
                   1185: 			    'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   1186: 			    'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1.272     sakharuk 1187: 			    'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1.274     sakharuk 1188:                             'cgi.'.$identifier.'numberoffiles' => $#print_array,
1.276     sakharuk 1189:                             'cgi.'.$identifier.'studentnames' => $student_names,
                   1190:                             'cgi.'.$identifier.'backref' => $URLback,);
1.256     sakharuk 1191:  
1.140     sakharuk 1192: $r->print(<<FINALEND);
1.288   ! albertel 1193: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.140     sakharuk 1194: </body>
                   1195: </html>
                   1196: FINALEND
                   1197: }
                   1198: 
1.288   ! albertel 1199: sub num_to_letters {
        !          1200:     my ($num) = @_;
        !          1201:     my @nums= split('',$num);
        !          1202:     my @num_to_let=('A'..'Z');
        !          1203:     my $word;
        !          1204:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
        !          1205:     return $word;
        !          1206: }
        !          1207: 
        !          1208: sub get_CODE {
        !          1209:     my ($all_codes,$num,$seed,$size)=@_;
        !          1210:     my $max='1'.'0'x$size;
        !          1211:     srand($seed);
        !          1212:     my $newcode;
        !          1213:     while(1) {
        !          1214: 	$newcode=int(rand($max));
        !          1215: 	if (!exists($$all_codes{$newcode})) {
        !          1216: 	    $$all_codes{$newcode}=1;
        !          1217: 	    return &num_to_letters($newcode);
        !          1218: 	}
        !          1219:     }
        !          1220: }
1.140     sakharuk 1221: 
1.284     albertel 1222: sub print_resources {
                   1223:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header)=@_;
                   1224:     my $current_output = ''; 
                   1225:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   1226:     my $fullname = &get_name($username,$userdomain);
1.288   ! albertel 1227:     if ($person =~ 'anon') {
        !          1228: 	$fullname = "CODE - ".$moreenv->{'CODE'};
        !          1229:     }
1.284     albertel 1230:     #goes through all resources, checks if they are available for 
                   1231:     #current student, and produces output   
                   1232:     &Apache::lonnet::delenv('form.counter');
                   1233:     &Apache::lonxml::init_counter();
                   1234:     foreach my $curresline (@{$master_seq})  {
                   1235: 	if ( !($type eq 'problems' && 
                   1236: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   1237: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   1238: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
                   1239: 		my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
                   1240: 		my $lonidsdir=$r->dir_config('lonIDsDir');
                   1241: 		my $envfile=$ENV{'user.environment'};
                   1242: 		$envfile=~/\/([^\/]+)\.id$/;
                   1243: 		$envfile=$1;
                   1244: 		&Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                   1245: 		my $current_counter=$ENV{'form.counter'};
                   1246: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1247: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1248: 		    my %form;
                   1249: 		    $form{'answer_output_mode'}='tex';
                   1250: 		    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1251: 		    my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
                   1252: 		    &Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1253: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1254: 			$rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   1255: 		    } else {
                   1256: 			$rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1257: 			$rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
                   1258: 			$rendered.=&path_to_problem ($curresline,$LaTeXwidth);
                   1259: 			$rendered.='\vskip 1 mm '.$ansrendered;
                   1260: 		    }
                   1261: 		}
                   1262: 		if ($remove_latex_header eq 'YES') {
                   1263: 		    $rendered = &latex_header_footer_remove($rendered);
                   1264: 		} else {
                   1265: 		    $rendered =~ s/\\end{document}//;
                   1266: 		}
                   1267: 		$current_output .= $rendered;
                   1268: 	    }
                   1269: 	    $remove_latex_header = 'YES';
                   1270: 	}
                   1271:     }
                   1272:     my $courseidinfo = &get_course();
                   1273:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1274:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
                   1275:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
                   1276:     if ($current_output=~/\\documentclass/) {
                   1277: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
                   1278:     } else {
                   1279: 	my $blankpages = '';
                   1280: 	for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
                   1281: 	$current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}}} \vskip -5 mm '.$current_output;
                   1282:     }
                   1283:     return ($current_output,$fullname);
                   1284: 
                   1285: }
1.140     sakharuk 1286: 
1.3       sakharuk 1287: sub handler {
                   1288: 
                   1289:     my $r = shift;
1.131     bowersj2 1290:     my $helper;
1.114     bowersj2 1291: 
1.150     sakharuk 1292: #    my $loaderror=&Apache::lonnet::overloaderror($r);
                   1293: #    if ($loaderror) { return $loaderror; }
                   1294: #    $loaderror=
                   1295: #       &Apache::lonnet::overloaderror($r,
                   1296: #         $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
                   1297: #    if ($loaderror) { return $loaderror; }
1.67      www      1298: 
1.177     sakharuk 1299:     my $result = printHelper($r);
                   1300:     if (!ref($result)) {
                   1301: 	return $result;
1.60      sakharuk 1302:     }
1.177     sakharuk 1303:     $helper = $result;
                   1304:    
                   1305: #	my $key; 
                   1306: #	foreach $key (keys %{$helper->{'VARS'}}) {
                   1307: #	    $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
                   1308: #	}
1.264     sakharuk 1309: #	foreach $key (keys %ENV) {
                   1310: #	    $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
                   1311: #	}
1.177     sakharuk 1312: #	return OK;
1.184     sakharuk 1313: 
                   1314:     my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
                   1315:     
1.207     sakharuk 1316: #	my $key; 
1.200     sakharuk 1317: #	foreach $key (keys %parmhash) {
                   1318: #	    $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
                   1319: #	}
                   1320: #	return OK;
1.184     sakharuk 1321: 
                   1322:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 1323:     return OK;
1.60      sakharuk 1324: } 
1.2       sakharuk 1325: 
1.131     bowersj2 1326: use Apache::lonhelper;
1.130     sakharuk 1327: 
1.223     bowersj2 1328: sub addMessage {
                   1329:     my $text = shift;
                   1330:     my $paramHash = Apache::lonhelper::getParamHash();
                   1331:     $paramHash->{MESSAGE_TEXT} = $text;
                   1332:     Apache::lonhelper::message->new();
                   1333: }
                   1334: 
1.238     bowersj2 1335: use Data::Dumper;
                   1336: 
1.131     bowersj2 1337: sub printHelper {
1.115     bowersj2 1338:     my $r = shift;
                   1339: 
                   1340:     if ($ENV{'request.course.id'}) {
1.131     bowersj2 1341: 	my $fn=$ENV{'request.course.fn'};
                   1342: 	tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1.115     bowersj2 1343:     }
                   1344: 
                   1345:     if ($r->header_only) {
1.131     bowersj2 1346:         if ($ENV{'browser.mathml'}) {
1.241     www      1347:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 1348:         } else {
1.241     www      1349:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 1350:         }
                   1351:         $r->send_http_header;
                   1352:         return OK;
1.115     bowersj2 1353:     }
                   1354: 
1.131     bowersj2 1355:     # Send header, nocache
1.115     bowersj2 1356:     if ($ENV{'browser.mathml'}) {
1.241     www      1357:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 1358:     } else {
1.241     www      1359:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 1360:     }
                   1361:     &Apache::loncommon::no_cache($r);
                   1362:     $r->send_http_header;
                   1363:     $r->rflush();
                   1364: 
1.131     bowersj2 1365:     # Unfortunately, this helper is so complicated we have to
                   1366:     # write it by hand
                   1367: 
                   1368:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   1369:     
1.176     bowersj2 1370:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 1371:     $helper->declareVar('symb');
1.156     bowersj2 1372:     $helper->declareVar('postdata');    
1.230     albertel 1373:     $helper->declareVar('curseed');    
1.156     bowersj2 1374:     $helper->declareVar('filename');
                   1375:     $helper->declareVar('construction');
1.178     sakharuk 1376:     $helper->declareVar('assignment');
1.262     sakharuk 1377:     $helper->declareVar('style_file');
1.131     bowersj2 1378:     
                   1379:     # This will persistently load in the data we want from the
                   1380:     # very first screen.
1.156     bowersj2 1381:     # Detect whether we're coming from construction space
1.208     www      1382:     if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 1383:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 1384:         $helper->{VARS}->{'construction'} = 1;
                   1385:     } else {
                   1386:         if ($ENV{'form.postdata'}) {
                   1387:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
                   1388:         }
                   1389:         if ($ENV{'form.symb'}) {
                   1390:             $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1391:         }
                   1392:         if ($ENV{'form.url'}) {
                   1393:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   1394:         }
1.157     bowersj2 1395:     }
1.156     bowersj2 1396: 
1.146     bowersj2 1397:     if ($ENV{'form.symb'}) {
                   1398:         $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1399:     }
                   1400:     if ($ENV{'form.url'}) {
1.140     sakharuk 1401:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 1402: 
1.140     sakharuk 1403:     }
1.146     bowersj2 1404:     
1.115     bowersj2 1405:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1.178     sakharuk 1406:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140     sakharuk 1407: 
1.156     bowersj2 1408:     
1.146     bowersj2 1409:     # Extract map
                   1410:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 1411:     my ($map, $id, $url);
                   1412:     my $subdir;
                   1413: 
                   1414:     # Get the resource name from construction space
                   1415:     if ($helper->{VARS}->{'construction'}) {
                   1416:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   1417:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   1418:         $subdir = substr($helper->{VARS}->{'filename'},
                   1419:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
                   1420:     } else {
1.233     www      1421:         ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.156     bowersj2 1422:         $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1.146     bowersj2 1423: 
1.156     bowersj2 1424:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 1425:             my $postdata = $helper->{VARS}->{'postdata'};
                   1426:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 1427:         }
                   1428:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 1429:     }
1.230     albertel 1430:     if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
                   1431: 	$helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
                   1432:     }
1.115     bowersj2 1433: 
1.192     bowersj2 1434:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1.235     bowersj2 1435:     my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
                   1436: 			   $ENV{'request.role'}=~m/^in\./ or
                   1437: 			   $ENV{'request.role'}=~m/^ta\./);
1.192     bowersj2 1438: 
1.131     bowersj2 1439:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 1440: 
1.131     bowersj2 1441:     # "Delete everything after the last slash."
1.119     bowersj2 1442:     $subdir =~ s|/[^/]+$||;
1.162     sakharuk 1443:     if (not $helper->{VARS}->{'construction'}) {
                   1444: 	$subdir='/home/httpd/html/res/'.$subdir;
1.153     sakharuk 1445:     }
1.189     bowersj2 1446:     # "Remove all duplicate slashes."
                   1447:     $subdir =~ s|/+|/|g;
1.119     bowersj2 1448: 
1.131     bowersj2 1449:     # What can be printed is a very dynamic decision based on
                   1450:     # lots of factors. So we need to dynamically build this list.
                   1451:     # To prevent security leaks, states are only added to the wizard
                   1452:     # if they can be reached, which ensures manipulating the form input
                   1453:     # won't allow anyone to reach states they shouldn't have permission
                   1454:     # to reach.
                   1455: 
                   1456:     # printChoices is tracking the kind of printing the user can
                   1457:     # do, and will be used in a choices construction later.
                   1458:     # In the meantime we will be adding states and elements to
                   1459:     # the helper by hand.
                   1460:     my $printChoices = [];
                   1461:     my $paramHash;
1.130     sakharuk 1462: 
1.240     albertel 1463:     if ($resourceTitle) {
1.254     sakharuk 1464:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (what you just saw on the screen)", 'current_document', 'PAGESIZE'];
1.156     bowersj2 1465:     }
                   1466: 
1.187     www      1467: #    $r->print($helper->{VARS}->{'postdata'});
1.130     sakharuk 1468: 
1.238     bowersj2 1469:     # Useful filter strings
1.287     albertel 1470:     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1.238     bowersj2 1471:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.287     albertel 1472:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
                   1473:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 1474:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   1475:     my $isMap = '$res->is_map()';
                   1476:     my $symbFilter = '$res->symb()';
                   1477:     my $urlValue = '$res->src()';
                   1478: 
                   1479:     $helper->declareVar('SEQUENCE');
                   1480: 
                   1481:     # Useful for debugging: Dump the help vars
                   1482:     #$r->print(Dumper($helper->{VARS}));
                   1483:     #$r->print($map);
                   1484: 
1.131     bowersj2 1485:     # If we're in a sequence...
1.235     bowersj2 1486:     if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.243     bowersj2 1487: 	$helper->{VARS}->{'postdata'} &&
                   1488: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 1489:         # Allow problems from sequence
1.254     sakharuk 1490:         push @{$printChoices}, ["<b>Problems</b> in <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 1491:         # Allow all resources from sequence
1.254     sakharuk 1492:         push @{$printChoices}, ["<b>Resources</b> in <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130     sakharuk 1493: 
1.131     bowersj2 1494:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 1495:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
                   1496:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1497:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1498:               closeallpages="1">
1.144     bowersj2 1499:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1500:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 1501:       <mapurl>$map</mapurl>
1.238     bowersj2 1502:       <valuefunc>return $symbFilter;</valuefunc>
1.131     bowersj2 1503:       </resource>
                   1504:     </state>
                   1505: 
1.155     sakharuk 1506:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
                   1507:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1508:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1509:               closeallpages="1">
1.144     bowersj2 1510:       <nextstate>PAGESIZE</nextstate>
1.145     bowersj2 1511:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 1512:       <mapurl>$map</mapurl>
1.238     bowersj2 1513:       <valuefunc>return $symbFilter;</valuefunc>
1.131     bowersj2 1514:       </resource>
                   1515:     </state>
                   1516: HELPERFRAGMENT
1.121     bowersj2 1517: 
1.131     bowersj2 1518:         &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 
1.121     bowersj2 1519:     }
                   1520: 
                   1521:     # If the user is priviledged, allow them to print all 
                   1522:     # problems in the course, optionally for selected students
1.235     bowersj2 1523:     if ($userPriviledged && ($helper->{VARS}->{'postdata'}=~/\/res\//)) { 
1.254     sakharuk 1524:         push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1.284     albertel 1525:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 1526:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
                   1527:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1528:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   1529: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 1530:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1531:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 1532:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 1533:       <valuefunc>return $symbFilter;</valuefunc>
1.284     albertel 1534:     </resource>
                   1535:   </state>
                   1536: ALL_PROBLEMS
1.132     bowersj2 1537: 
1.284     albertel 1538: 	if ($helper->{VARS}->{'assignment'}) {
                   1539: 	    push @{$printChoices}, ["<b>Problems</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
1.288   ! albertel 1540: 	    push @{$printChoices}, ["<b>Problems</b> from <b><i>$sequenceTitle</i></b> for <b>anonymous students</b>", 'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 1541: 	}
                   1542: 	my $resource_selector=<<RESOURCE_SELECTOR;
                   1543:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 1544:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   1545:               closeallpages="1">
1.254     sakharuk 1546:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 1547:       <mapurl>$map</mapurl>
1.254     sakharuk 1548:       <valuefunc>return $symbFilter;</valuefunc>
1.147     bowersj2 1549:       </resource>
1.155     sakharuk 1550:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 1551:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 1552:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1553:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1554:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1555:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 1556:     </choices>
                   1557:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   1558:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   1559: RESOURCE_SELECTOR
                   1560: 
                   1561:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   1562:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
                   1563:       <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
                   1564:     $resource_selector
                   1565:   </state>
1.131     bowersj2 1566: CHOOSE_STUDENTS
1.284     albertel 1567:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
                   1568:   <state name="CHOOSE_ANON1" title="Select Students and Resources">
1.288   ! albertel 1569:     <nextstate>PAGESIZE</nextstate>
1.287     albertel 1570:     <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1.284     albertel 1571:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1.288   ! albertel 1572:     <choices variable="REMEBER_ANON_CODES" allowempty="1" multichoice="1">
        !          1573:       <choice computer="1">
        !          1574:         Should the CODEs used on this printing be remebered for later?
        !          1575:       </choice>
        !          1576:     </choices>
        !          1577:     <message><b>Names to store the CODEs under for later:</b></message>
        !          1578:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1.284     albertel 1579:     <message><hr width='33%' /></message>
                   1580:     $resource_selector
                   1581:   </state>
                   1582: CHOOSE_ANON1
1.254     sakharuk 1583: 
1.272     sakharuk 1584: 
1.254     sakharuk 1585: 	if ($helper->{VARS}->{'assignment'}) {
                   1586: 	    push @{$printChoices}, ["<b>Resources</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
1.288   ! albertel 1587: 	    push @{$printChoices}, ["<b>Resources</b> from <b><i>$sequenceTitle</i></b> for <b>anonymous students</b>", 'resources_for_anon', 'CHOOSE_ANON2'];
1.254     sakharuk 1588: 	}
1.284     albertel 1589: 	    
                   1590: 
                   1591: 	$resource_selector=<<RESOURCE_SELECTOR;
1.254     sakharuk 1592:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 1593:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   1594:               closeallpages="1">
1.254     sakharuk 1595:       <filterfunc>return $isNotMap;</filterfunc>
                   1596:       <mapurl>$map</mapurl>
                   1597:       <valuefunc>return $symbFilter;</valuefunc>
                   1598:       </resource>
                   1599:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   1600:     <choices variable="EMPTY_PAGES">
                   1601:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1602:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1603:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1604:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 1605:     </choices>
                   1606:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   1607:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   1608: RESOURCE_SELECTOR
                   1609: 
                   1610: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   1611:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
                   1612:     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
                   1613:     $resource_selector
1.254     sakharuk 1614:     </state>
                   1615: CHOOSE_STUDENTS1
                   1616: 
1.284     albertel 1617: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
                   1618:   <state name="CHOOSE_ANON2" title="Select Students and Resources">
                   1619:     <message><hr width='33%' /><b>How many Anonymous exams to print?</b></message>
                   1620:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
                   1621:     <message><hr width='33%' /></message>
                   1622:     $resource_selector
                   1623:   </state>
                   1624: CHOOSE_ANON2
1.121     bowersj2 1625:     }
                   1626: 
                   1627:     # FIXME: That RE should come from a library somewhere.
1.238     bowersj2 1628:     if ((((&Apache::lonnet::allowed('bre',$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 $subdir ne '/home/httpd/html/res/') {    
1.254     sakharuk 1629:         push @{$printChoices}, ["<b>Problems</b> from current subdirectory <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238     bowersj2 1630: 
1.131     bowersj2 1631:         my $f = '$filename';
1.139     bowersj2 1632:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155     sakharuk 1633:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
                   1634:     <message>(mark them then click "next" button) <br /></message>
1.138     bowersj2 1635:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 1636:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 1637:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 1638: CHOOSE_FROM_SUBDIR
                   1639:         
1.238     bowersj2 1640:         # this is broken up because I really want interpolation above,
                   1641:         # and I really DON'T want it below
1.139     bowersj2 1642:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 1643:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   1644: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 1645:       </filefilter>
1.138     bowersj2 1646:       </files>
1.131     bowersj2 1647:     </state>
                   1648: CHOOSE_FROM_SUBDIR
1.139     bowersj2 1649:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 1650:     }
1.238     bowersj2 1651: 
                   1652:     # Allow the user to select any sequence in the course, feed it to
                   1653:     # another resource selector for that sequence
1.239     bowersj2 1654:     if (!$helper->{VARS}->{'construction'}) {
1.254     sakharuk 1655: 	push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1.249     sakharuk 1656: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 1657: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   1658: 	#Escape apostrophes and backslashes for Perl
                   1659: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   1660: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 1661: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 1662:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   1663:     <message>Select the sequence to print resources from:</message>
                   1664:     <resource variable="SEQUENCE">
                   1665:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   1666:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   1667:       <valuefunc>return $urlValue;</valuefunc>
                   1668:       </resource>
                   1669:     </state>
                   1670:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   1671:     <message>(mark desired resources then click "next" button) <br /></message>
1.287     albertel 1672:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1673:               closeallpages="1">
1.238     bowersj2 1674:       <nextstate>PAGESIZE</nextstate>
                   1675:       <filterfunc>return $isProblem</filterfunc>
1.244     bowersj2 1676:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 1677:       <valuefunc>return $symbFilter;</valuefunc>
                   1678:       </resource>
                   1679:     </state>
                   1680: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 1681: }
1.131     bowersj2 1682: 
                   1683:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 1684:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 1685:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 1686:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 1687:     Apache::lonhelper::message->new();
                   1688:     $paramHash = Apache::lonhelper::getParamHash();
                   1689:     $paramHash->{'variable'} = 'PRINT_TYPE';
1.137     bowersj2 1690:     $helper->declareVar('PRINT_TYPE');
1.131     bowersj2 1691:     $paramHash->{CHOICES} = $printChoices;
                   1692:     Apache::lonhelper::choices->new();
1.161     bowersj2 1693: 
1.223     bowersj2 1694:     my $startedTable = 0; # have we started an HTML table yet? (need
                   1695:                           # to close it later)
                   1696: 
1.170     sakharuk 1697:     if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or 
                   1698: 	($helper->{VARS}->{'construction'} eq '1')) {
1.242     sakharuk 1699: 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161     bowersj2 1700:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 1701: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   1702: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 1703:         $paramHash->{CHOICES} = [
1.242     sakharuk 1704:                                    ['Without Answers', 'yes'],
                   1705:                                    ['With Answers', 'no'],
                   1706:                                    ['Only Answers', 'only'] ];
1.210     sakharuk 1707:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 1708: 	addMessage("</td></tr>");
                   1709: 	$startedTable = 1;
1.161     bowersj2 1710:     }
1.209     sakharuk 1711: 
1.203     sakharuk 1712:     if ($ENV{'request.role.adv'}) {
1.223     bowersj2 1713: 	if (!$startedTable) {
                   1714: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
                   1715: 	    $startedTable = 1;
                   1716: 	} else {
                   1717: 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
                   1718: 	}
1.203     sakharuk 1719:         $paramHash = Apache::lonhelper::getParamHash();
                   1720: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   1721: 	$helper->declareVar('LATEX_TYPE');  
                   1722: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   1723: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1724: 				     ['standard LaTeX mode', 'standard'], 
                   1725: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 1726: 	} else {
                   1727: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1728: 				     ['LaTeX batchmode', 'batchmode'],
                   1729: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 1730: 	}
1.210     sakharuk 1731:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 1732:  
1.223     bowersj2 1733: 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209     sakharuk 1734:         $paramHash = Apache::lonhelper::getParamHash();
                   1735: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   1736: 	$helper->declareVar('TABLE_CONTENTS');         
                   1737:         $paramHash->{CHOICES} = [
1.223     bowersj2 1738:                                    ['No', 'no'],
                   1739:                                    ['Yes', 'yes'] ];
1.210     sakharuk 1740:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 1741: 	addMessage("</td></tr>");
1.214     sakharuk 1742:         
1.220     sakharuk 1743: 	if (not $helper->{VARS}->{'construction'}) {
1.223     bowersj2 1744: 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220     sakharuk 1745: 	    $paramHash = Apache::lonhelper::getParamHash();
                   1746: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   1747: 	    $helper->declareVar('TABLE_INDEX');         
                   1748: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1749: 				     ['No', 'no'],
                   1750: 				     ['Yes', 'yes'] ];
1.220     sakharuk 1751: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 1752: 	    addMessage("</td></tr>");
1.220     sakharuk 1753: 	}
1.219     sakharuk 1754: 
1.230     albertel 1755: 	if ($helper->{'VARS'}->{'construction'}) { 
1.265     sakharuk 1756: 	    my $stylevalue=$ENV{'construct.style'};
                   1757: 	    my $xmlfrag .= <<"RNDSEED";
1.230     albertel 1758: 	    <message><tr><td align='right'>Use random seed: </td><td></message>
                   1759: 	    <string variable="curseed" size="15" maxlength="15">
                   1760: 		<defaultvalue>
                   1761: 	            return $helper->{VARS}->{'curseed'};
                   1762: 	        </defaultvalue>
1.262     sakharuk 1763: 	    </string>
1.264     sakharuk 1764: 	     <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1.265     sakharuk 1765:              <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1.230     albertel 1766:              <message></td></tr></message>
                   1767: RNDSEED
                   1768:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.264     sakharuk 1769: 	    $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1.219     sakharuk 1770: 	}
1.223     bowersj2 1771:     }
1.264     sakharuk 1772: 
                   1773: 
                   1774: 
1.218     sakharuk 1775: 
1.223     bowersj2 1776:     if ($startedTable) {
                   1777: 	addMessage("</table>");
1.215     sakharuk 1778:     }
1.161     bowersj2 1779: 
1.131     bowersj2 1780:     Apache::lonprintout::page_format_state->new("FORMAT");
                   1781: 
1.144     bowersj2 1782:     # Generate the PAGESIZE state which will offer the user the margin
                   1783:     # choices if they select one column
                   1784:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   1785:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   1786: 
                   1787: 
1.131     bowersj2 1788:     $helper->process();
                   1789: 
                   1790:     # MANUAL BAILOUT CONDITION:
                   1791:     # If we're in the "final" state, bailout and return to handler
                   1792:     if ($helper->{STATE} eq 'FINAL') {
                   1793:         return $helper;
                   1794:     }    
1.130     sakharuk 1795: 
1.131     bowersj2 1796:     $r->print($helper->display());
1.130     sakharuk 1797: 
1.131     bowersj2 1798:     Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 1799: 
                   1800:     untie %hash;
                   1801: 
                   1802:     return OK;
                   1803: }
                   1804: 
1.1       www      1805: 
                   1806: 1;
1.119     bowersj2 1807: 
                   1808: package Apache::lonprintout::page_format_state;
                   1809: 
                   1810: =pod
                   1811: 
1.131     bowersj2 1812: =head1 Helper element: page_format_state
                   1813: 
                   1814: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 1815: 
1.131     bowersj2 1816: Apache::lonprintout::page_format_state is an element that gives the 
                   1817: user an opportunity to select the page layout they wish to print 
                   1818: with: Number of columns, portrait/landscape, and paper size. If you 
                   1819: want to change the paper size choices, change the @paperSize array 
                   1820: contents in this package.
1.119     bowersj2 1821: 
1.131     bowersj2 1822: page_format_state is always directly invoked in lonprintout.pm, so there
                   1823: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 1824: 
                   1825: =over 4
                   1826: 
1.131     bowersj2 1827: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 1828: 
                   1829: =back
                   1830: 
                   1831: =cut
                   1832: 
1.131     bowersj2 1833: use Apache::lonhelper;
1.119     bowersj2 1834: 
                   1835: no strict;
1.131     bowersj2 1836: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 1837: use strict;
1.266     sakharuk 1838: use Apache::lonlocal;
1.119     bowersj2 1839: 
                   1840: my $maxColumns = 2;
                   1841: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 
                   1842:                  "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1843:                  "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]", 
                   1844:                  "A5 [148x210 mm]", "A6 [105x148 mm]" );
                   1845: 
                   1846: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   1847: #                   Paper type
                   1848: 
                   1849: sub new { 
1.131     bowersj2 1850:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 1851: 
1.135     bowersj2 1852:     shift;
                   1853: 
1.131     bowersj2 1854:     $self->{'variable'} = shift;
1.134     bowersj2 1855:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 1856:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 1857:     bless($self);
1.119     bowersj2 1858:     return $self;
                   1859: }
                   1860: 
                   1861: sub render {
                   1862:     my $self = shift;
1.131     bowersj2 1863:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 1864:     my $result = '';
1.131     bowersj2 1865:     my $var = $self->{'variable'};
1.266     sakharuk 1866:     my $PageLayout=&mt('Page layout');
                   1867:     my $NumberOfColumns=&mt('Number of columns');
                   1868:     my $PaperType=&mt('Paper type');
1.119     bowersj2 1869:     $result .= <<STATEHTML;
                   1870: 
1.223     bowersj2 1871: <hr width="33%" />
1.119     bowersj2 1872: <table cellpadding="3">
                   1873:   <tr>
1.266     sakharuk 1874:     <td align="center"><b>$PageLayout</b></td>
                   1875:     <td align="center"><b>$NumberOfColumns</b></td>
                   1876:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 1877:   </tr>
                   1878:   <tr>
                   1879:     <td>
1.155     sakharuk 1880:       <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
                   1881:       <input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait
1.119     bowersj2 1882:     </td>
1.155     sakharuk 1883:     <td align="center">
1.119     bowersj2 1884:       <select name="${var}.cols">
                   1885: STATEHTML
                   1886: 
                   1887:     my $i;
                   1888:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 1889:         if ($i == 2) {
1.119     bowersj2 1890:             $result .= "<option value='$i' selected>$i</option>\n";
                   1891:         } else {
                   1892:             $result .= "<option value='$i'>$i</option>\n";
                   1893:         }
                   1894:     }
                   1895: 
                   1896:     $result .= "</select></td><td>\n";
                   1897:     $result .= "<select name='${var}.paper'>\n";
                   1898: 
                   1899:     $i = 0;
                   1900:     foreach (@paperSize) {
1.144     bowersj2 1901:         if ($i == 0) {
1.131     bowersj2 1902:             $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 1903:         } else {
1.131     bowersj2 1904:             $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 1905:         }
                   1906:         $i++;
                   1907:     }
                   1908: 
                   1909:     $result .= "</select></td></tr></table>";
                   1910:     return $result;
1.135     bowersj2 1911: }
                   1912: 
                   1913: sub postprocess {
                   1914:     my $self = shift;
                   1915: 
                   1916:     my $var = $self->{'variable'};
1.136     bowersj2 1917:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 1918:     $helper->{VARS}->{$var} = 
1.136     bowersj2 1919:         $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
                   1920:         $ENV{"form.$var.paper"};
1.135     bowersj2 1921:     return 1;
1.119     bowersj2 1922: }
                   1923: 
                   1924: 1;
1.144     bowersj2 1925: 
                   1926: package Apache::lonprintout::page_size_state;
                   1927: 
                   1928: =pod
                   1929: 
                   1930: =head1 Helper element: page_size_state
                   1931: 
                   1932: See lonhelper.pm documentation for discussion of the helper framework.
                   1933: 
                   1934: Apache::lonprintout::page_size_state is an element that gives the 
                   1935: user the opportunity to further refine the page settings if they
                   1936: select a single-column page.
                   1937: 
                   1938: page_size_state is always directly invoked in lonprintout.pm, so there
                   1939: is no tag interface. You actually pass parameters to the constructor.
                   1940: 
                   1941: =over 4
                   1942: 
                   1943: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   1944: 
                   1945: =back
                   1946: 
                   1947: =cut
                   1948: 
                   1949: use Apache::lonhelper;
                   1950: 
                   1951: no strict;
                   1952: @ISA = ("Apache::lonhelper::element");
                   1953: use strict;
                   1954: 
                   1955: 
                   1956: 
                   1957: sub new { 
                   1958:     my $self = Apache::lonhelper::element->new();
                   1959: 
                   1960:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   1961:            # package descriptor)... - Jeremy
                   1962: 
                   1963:     $self->{'variable'} = shift;
                   1964:     my $helper = Apache::lonhelper::getHelper();
                   1965:     $helper->declareVar($self->{'variable'});
                   1966: 
                   1967:     # The variable name of the format element, so we can look into 
                   1968:     # $helper->{VARS} to figure out whether the columns are one or two
                   1969:     $self->{'formatvar'} = shift;
                   1970: 
                   1971:     # The state to transition to after selection, or after discovering
                   1972:     # the cols are not set to 1
                   1973:     $self->{NEXTSTATE} = shift;
                   1974:     bless($self);
                   1975:     return $self;
                   1976: }
                   1977: 
                   1978: sub render {
                   1979:     my $self = shift;
                   1980:     my $helper = Apache::lonhelper::getHelper();
                   1981:     my $result = '';
                   1982:     my $var = $self->{'variable'};
                   1983: 
                   1984:     if (defined $self->{ERROR_MSG}) {
                   1985:         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
                   1986:     }
                   1987: 
                   1988:     $result .= <<ELEMENTHTML;
                   1989: 
                   1990: <p>How should the column be formatted?</p>
                   1991: 
                   1992: <table cellpadding='3'>
                   1993:   <tr>
                   1994:     <td align='right'><b>Width</b>:</td>
                   1995:     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
                   1996:     <td align='left'>
                   1997:       <select name='$var.widthunit'>
                   1998:         <option>cm</option><option>in</option>
                   1999:       </select>
                   2000:     </td>
                   2001:   </tr>
                   2002:   <tr>
                   2003:     <td align='right'><b>Height</b>:</td>
                   2004:     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
                   2005:     <td align='left'>
                   2006:       <select name='$var.heightunit'>
                   2007:         <option>cm</option><option>in</option>
                   2008:       </select>
                   2009:     </td>
                   2010:   </tr>
                   2011:   <tr>
                   2012:     <td align='right'><b>Left margin</b>:</td>
                   2013:     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
                   2014:     <td align='left'>
1.186     bowersj2 2015:       <select name='$var.lmarginunit'>
1.144     bowersj2 2016:         <option>cm</option><option>in</option>
                   2017:       </select>
                   2018:     </td>
                   2019:   </tr>
                   2020: </table>
                   2021: 
                   2022: <p>Hint: Some instructors like to leave scratch space for the student by
1.280     albertel 2023: making the width much smaller than the width of the page.</p>
1.144     bowersj2 2024: 
                   2025: ELEMENTHTML
                   2026: 
                   2027:     return $result;
                   2028: }
                   2029: 
                   2030: # If the user didn't select 1 column, skip this state.
                   2031: sub preprocess {
                   2032:     my $self = shift;
                   2033:     my $helper = Apache::lonhelper::getHelper();
                   2034: 
                   2035:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   2036:     if (substr($format, 2, 1) ne '1') {
                   2037:         $helper->changeState($self->{NEXTSTATE});
                   2038:     }
                   2039:    
                   2040:     return 1;
                   2041: }
                   2042: 
                   2043: sub postprocess {
                   2044:     my $self = shift;
                   2045: 
                   2046:     my $var = $self->{'variable'};
                   2047:     my $helper = Apache::lonhelper->getHelper();
                   2048:     my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"}; 
                   2049:     my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"}; 
                   2050:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"}; 
                   2051:     $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"}; 
                   2052:     $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"}; 
                   2053:     $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"}; 
                   2054: 
                   2055:     my $error = '';
                   2056: 
                   2057:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   2058:     # by an optional period, followed by digits, ending the string
                   2059: 
                   2060:     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2061:         $error .= "Invalid width; please type only a number.<br />\n";
                   2062:     }
                   2063:     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2064:         $error .= "Invalid height; please type only a number.<br />\n";
                   2065:     }
                   2066:     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2067:         $error .= "Invalid left margin; please type only a number.<br />\n";
                   2068:     }
                   2069: 
                   2070:     if (!$error) {
                   2071:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   2072:         return 1;
                   2073:     } else {
                   2074:         $self->{ERROR_MSG} = $error;
                   2075:         return 0;
                   2076:     }
                   2077: }
                   2078: 
                   2079: 
1.119     bowersj2 2080: 
1.1       www      2081: __END__
1.6       sakharuk 2082: 

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