Annotation of loncom/interface/lonprintout.pm, revision 1.315

1.1       www         1: # The LearningOnline Network
                      2: # Printout
                      3: #
1.315   ! sakharuk    4: # $Id: lonprintout.pm,v 1.314 2004/07/14 14:15:56 sakharuk Exp $
1.11      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.3       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) {
1.303     sakharuk  424: 		$textwidth = '176 mm';
                    425: 		$textheight = '254 mm';
1.140     sakharuk  426: 		$oddoffset = '-0.57 in';
                    427: 		$evenoffset = '-0.57 in';
                    428: 	    } elsif ($numberofcolumns == 2) {
1.303     sakharuk  429: 		$textwidth = '91 mm';
                    430: 		$textheight = '254 mm';
1.140     sakharuk  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 $courseidinfo;
                    472: }
1.177     sakharuk  473: 
1.76      sakharuk  474: sub page_format_transformation {
1.312     sakharuk  475:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk  476:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.312     sakharuk  477:     if ($selectionmade eq '4') {
                    478: 	$assignment='Problems from the Whole Course';
                    479:     } else {
                    480: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                    481:     }
1.261     sakharuk  482:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.126     albertel  483:     my $name = &get_name();
1.213     albertel  484:     my $courseidinfo = &get_course();
                    485:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.140     sakharuk  486:     if ($layout eq 'album') {
1.202     sakharuk  487: 	my $topmargintoinsert = '';
                    488: 	if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.213     albertel  489: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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  490:     } elsif ($layout eq 'book') {
                    491: 	if ($choice ne 'All class print') { 
1.213     albertel  492: 	    $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  493: 	} else {
1.190     sakharuk  494: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
1.140     sakharuk  495: 	}
                    496:     }
1.214     sakharuk  497:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                    498:     if ($indexlist eq 'yes') {
                    499: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                    500: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                    501:     }
1.140     sakharuk  502:     return $text;
                    503: }
                    504: 
                    505: 
1.33      sakharuk  506: sub page_cleanup {
                    507:     my $result = shift;	
1.65      sakharuk  508:  
                    509:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk  510:     my $number_of_columns = $1;
1.33      sakharuk  511:     my $insert = '{';
1.34      sakharuk  512:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk  513:     $insert .= '}';
1.65      sakharuk  514:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk  515:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                    516:     return $result,$number_of_columns;
1.7       sakharuk  517: }
1.5       sakharuk  518: 
1.3       sakharuk  519: 
1.60      sakharuk  520: sub details_for_menu {
                    521: 
1.269     albertel  522:     my $name_of_resourse = &Apache::lonnet::gettitle($ENV{'form.postdata'});
1.60      sakharuk  523:     my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
1.233     www       524:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel  525:     $map=&Apache::lonnet::clutter($map);
1.269     albertel  526:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel  527:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel  528: 	$map =~ m|([^/]+)$|;
                    529: 	$name_of_sequence = $1;
1.63      albertel  530:     }
1.269     albertel  531:     my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'});
1.63      albertel  532:     if ($name_of_map =~ /^\s*$/) {
1.123     albertel  533: 	$ENV{'request.course.uri'} =~ m|([^/]+)$|;
                    534: 	$name_of_map = $1;
                    535:     }
1.63      albertel  536:     return ($name_of_resourse,$name_of_sequence,$name_of_map);
1.60      sakharuk  537: 
1.76      sakharuk  538: }
                    539: 
                    540: 
                    541: sub latex_corrections {
                    542: 
                    543:     my ($number_of_columns,$result) = @_;
                    544: 
1.185     sakharuk  545: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76      sakharuk  546:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.314     sakharuk  547:     $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License  $1/;
1.91      sakharuk  548:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                    549:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk  550: #-- LaTeX corrections     
                    551:     my $first_comment = index($result,'<!--',0);
                    552:     while ($first_comment != -1) {
                    553: 	my $end_comment = index($result,'-->',$first_comment);
                    554: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                    555: 	$first_comment = index($result,'<!--',$first_comment);
                    556:     }
                    557:     $result =~ s/^\s+$//gm; #remove empty lines
1.94      sakharuk  558:     $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
1.76      sakharuk  559:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                    560:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                    561:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk  562:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk  563:     #conversion of html characters to LaTeX equivalents
                    564:     if ($result =~ m/&(\w+|#\d+);/) {
                    565: 	$result = &character_chart($result);
                    566:     }
                    567:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                    568:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                    569: 
                    570:     return $result;
1.60      sakharuk  571: }
                    572: 
1.3       sakharuk  573: 
1.214     sakharuk  574: sub index_table {
                    575:     my $currentURL = shift;
                    576:     my $insex_string='';
                    577:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                    578:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                    579:     return $insex_string;
                    580: }
                    581: 
                    582: 
1.215     sakharuk  583: sub IndexCreation {
                    584:     my ($texversion,$currentURL)=@_;
                    585:     my @key_words=split(/,/,&index_table($currentURL));
                    586:     my $chunk='';
                    587:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                    588:     if ($st>0) {
                    589: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                    590: 	$chunk=substr($texversion,0,$st+1);
                    591: 	substr($texversion,0,$st+1)=' ';
                    592:     }
                    593:     foreach my $key_word (@key_words) {
                    594: 	if ($key_word=~/\S+/) {
                    595: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                    596: 	}
                    597:     }			
                    598:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                    599:     return $texversion;
                    600: }
                    601: 
1.242     sakharuk  602: sub print_latex_header {
                    603:     my $mode=shift;
                    604:     my $output='\documentclass[letterpaper]{article}';
                    605:     if ($mode eq 'batchmode') {
                    606: 	$output.='\batchmode';
                    607:     }
                    608:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'.
                    609: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
                    610: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
                    611: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
                    612: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
                    613: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
                    614: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
                    615: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'.
                    616: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
                    617: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
                    618: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
                    619: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
                    620: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
                    621: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
                    622: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'.
                    623: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
                    624:     return $output;	     
                    625: }
                    626: 
                    627: sub path_to_problem {
                    628:     my ($urlp,$LaTeXwidth)=@_;
                    629:     my $newurlp = '';
                    630:     $LaTeXwidth=~s/\s*mm\s*$//;
                    631:     my $HowMany = length($urlp)*2;
                    632:     if ($HowMany > $LaTeXwidth) {
                    633: 	my @temporrary = split '/',$urlp;
                    634: 	my $HowManyNew = 0;
                    635: 	for (my $ii=0;$ii<=$#temporrary;$ii++) {
                    636: 	    if ($temporrary[$ii] ne '') {
                    637: 		$HowManyNew += length($temporrary[$ii])*2;
                    638: 		if ($HowManyNew < $LaTeXwidth ) {
                    639: 		    $newurlp .=  '/'.$temporrary[$ii];
                    640: 		} else {
                    641: 		    $HowManyNew = 0;
                    642: 		    $newurlp .=  '|\vskip -1 mm \noindent \verb|';
                    643: 		    $ii--;
                    644: 		}
                    645: 	    }
                    646: 	}
1.253     sakharuk  647:     } else {
                    648: 	$newurlp=$urlp;
1.242     sakharuk  649:     }
                    650:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                    651: }
1.215     sakharuk  652: 
1.275     sakharuk  653: sub recalcto_mm {
                    654:     my $textwidth=shift;
                    655:     my $LaTeXwidth;
                    656:     if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
                    657: 	$LaTeXwidth = $1*10;
                    658:     } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
                    659: 	$LaTeXwidth = $1;
                    660:     } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
                    661: 	$LaTeXwidth = $1*25.4;
                    662:     }
                    663:     $LaTeXwidth.=' mm';
                    664:     return $LaTeXwidth;
                    665: }
                    666: 
1.285     albertel  667: sub get_textwidth {
                    668:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel  669:     my $textwidth=$LaTeXwidth;
1.285     albertel  670:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                    671: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel  672: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                    673: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel  674:     }
1.286     albertel  675:     return $textwidth;
1.285     albertel  676: }
                    677: 
1.296     sakharuk  678: 
                    679: sub unsupported {
1.307     sakharuk  680:     my ($currentURL,$mode)=@_;
                    681:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk  682:     my $result.= &print_latex_header($mode);
1.301     sakharuk  683:     if ($currentURL=~/\/ext\//) {
1.296     sakharuk  684: 	$result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
                    685:     } else {
                    686: 	$result.=$currentURL;
                    687:     }
1.297     sakharuk  688:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk  689:     return $result;
                    690: }
                    691: 
                    692: 
1.177     sakharuk  693: sub output_data {
1.184     sakharuk  694:     my ($r,$helper,$rparmhash) = @_;
                    695:     my %parmhash = %$rparmhash;
1.187     www       696:     my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
1.140     sakharuk  697:     $r->print(<<ENDPART);
                    698: <html>
1.264     sakharuk  699: <script type="text/javascript" language="Javascript" >
                    700:     var editbrowser;
                    701:     function openbrowser(formname,elementname,only,omit) {
                    702:         var url = '/res/?';
                    703:         if (editbrowser == null) {
                    704:             url += 'launch=1&';
                    705:         }
                    706:         url += 'catalogmode=interactive&';
                    707:         url += 'mode=parmset&';
                    708:         url += 'form=' + formname + '&';
                    709:         if (only != null) {
                    710:             url += 'only=' + only + '&';
                    711:         } 
                    712:         if (omit != null) {
                    713:             url += 'omit=' + omit + '&';
                    714:         }
                    715:         url += 'element=' + elementname + '';
                    716:         var title = 'Browser';
                    717:         var options = 'scrollbars=1,resizable=1,menubar=0';
                    718:         options += ',width=700,height=600';
                    719:         editbrowser = open(url,title,options,'1');
                    720:         editbrowser.focus();
                    721:     }
                    722: </script>
1.140     sakharuk  723: <head>
                    724: <title>LON-CAPA output for printing</title>
                    725: </head>
1.187     www       726: $bodytag
                    727: Please stand by while processing your print request, this may take some time ...
1.140     sakharuk  728: ENDPART
                    729: 
                    730:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                    731:     my ($result,$selectionmade) = ('','');
                    732:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                    733:     my @temporary_array=split /\|/,$format_from_helper;
                    734:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                    735:     if ($laystyle eq 'L') {
                    736: 	$laystyle='album';
                    737:     } else {
                    738: 	$laystyle='book';
                    739:     }
1.177     sakharuk  740:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.140     sakharuk  741:     my $assignment =  $ENV{'form.assignment'};
1.275     sakharuk  742:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk  743:     my @print_array=();
1.274     sakharuk  744:     my @student_names=();
1.153     sakharuk  745:     
1.140     sakharuk  746:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk  747:       #-- single document - problem, page, html, xml, ...
                    748: 	my $currentURL;
1.162     sakharuk  749: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk  750:             #prints published resource
1.153     sakharuk  751: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.143     sakharuk  752: 	} else {
1.185     sakharuk  753:             #prints resource from the construction space
1.240     albertel  754: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk  755: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.143     sakharuk  756: 	}
1.140     sakharuk  757: 	$selectionmade = 1;
1.143     sakharuk  758: 	if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel  759: 	    my $rndseed=time;
1.242     sakharuk  760: 	    my $texversion='';
                    761: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    762: 		my %moreenv;
                    763: 		$moreenv{'request.filename'}=$currentURL;
1.265     sakharuk  764: 		if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                    765: 		    $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
                    766: 		    my $dom = $ENV{'user.domain'};
                    767: 		    my $user = $ENV{'user.name'};
                    768: 		    my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
                    769: 		}
1.242     sakharuk  770: 		my %form;
1.290     sakharuk  771:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk  772: 		$form{'grade_target'}='tex';
1.285     albertel  773: 		$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.242     sakharuk  774: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk  775: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk  776: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk  777: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                    778: 		if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.242     sakharuk  779: 		if ($helper->{'VARS'}->{'curseed'}) {
                    780: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                    781: 		}
                    782: 		$form{'rndseed'}=$rndseed;
                    783: 		&Apache::lonnet::appenv(%moreenv);
                    784: 		&Apache::lonnet::delenv('form.counter');
                    785: 		&Apache::lonxml::init_counter();
1.275     sakharuk  786: 		$texversion.=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  787: 		&Apache::lonnet::delenv('form.counter');
                    788: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel  789: 	    }
1.242     sakharuk  790: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    791: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.166     albertel  792: 		my %form;
                    793: 		$form{'grade_target'}='answer';
1.167     albertel  794: 		$form{'answer_output_mode'}='tex';
1.169     albertel  795: 		$form{'rndseed'}=$rndseed;
1.166     albertel  796: 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  797: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    798: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    799: 		} else {
                    800: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk  801: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                    802: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                    803: 			$texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                    804: 		    } else {
                    805: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                    806: 			my $URLpath=$currentURL;
                    807: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                    808: 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                    809: 		    }
1.242     sakharuk  810: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    811: 		}
1.163     sakharuk  812: 	    }
1.214     sakharuk  813: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk  814: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk  815: 	    }
1.219     sakharuk  816: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                    817: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                    818: 
                    819: 	    }
1.162     sakharuk  820: 	    $result .= $texversion;
                    821: 	    if ($currentURL=~m/\.page\s*$/) {
                    822: 		($result,$number_of_columns) = &page_cleanup($result);
                    823: 	    }
1.227     sakharuk  824:         } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
                    825:             #printing content of sequence from the construction space	
                    826: 	    my $flag_latex_header_remove = 'NO'; 
                    827: 	    my $rndseed=time;
1.231     albertel  828: 	    if ($helper->{'VARS'}->{'curseed'}) {
                    829: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                    830: 	    }
1.227     sakharuk  831: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                    832: 	    my $errtext=&Apache::lonratedt::mapread($currentURL);
                    833: 	    for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
                    834: 		$Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
                    835: 		my $urlp=$2;
                    836: 		if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.245     sakharuk  837: 		    my $texversion='';
                    838: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    839: 			my %form;
                    840: 			$form{'grade_target'}='tex';
1.285     albertel  841: 			$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.245     sakharuk  842: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk  843: 			$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.245     sakharuk  844: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    845: 			$form{'rndseed'}=$rndseed;
                    846: 			$texversion=&Apache::lonnet::ssi($urlp,%form);
                    847: 		    }
1.249     sakharuk  848: 		    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    849: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                    850: 		       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1.227     sakharuk  851: 			my %form;
                    852: 			$form{'grade_target'}='answer';
                    853: 			$form{'answer_output_mode'}='tex';
                    854: 			$form{'rndseed'}=$rndseed;
1.232     sakharuk  855:                         if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
1.227     sakharuk  856: 			my $answer=&Apache::lonnet::ssi($urlp,%form);
1.245     sakharuk  857: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    858: 			    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    859: 			} else {
                    860: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                    861: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                    862: 			    $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                    863: 			    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    864: 			}
1.227     sakharuk  865: 		    }
                    866: 		    if ($flag_latex_header_remove ne 'NO') {
                    867: 			$texversion = &latex_header_footer_remove($texversion);
                    868: 		    } else {
                    869: 			$texversion =~ s/\\end{document}//;
                    870: 		    }
                    871: 		    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                    872: 			$texversion=&IndexCreation($texversion,$urlp);
                    873: 		    }
1.232     sakharuk  874: 		    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1.227     sakharuk  875: 			$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                    876: 		    }
                    877: 		    $result.=$texversion;
                    878: 		    $flag_latex_header_remove = 'YES';
                    879: 		} elsif ($urlp=~/\.(sequence|page)$/) {
1.229     sakharuk  880: 		    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1.227     sakharuk  881: 		}  
                    882: 	    }
1.228     sakharuk  883: 	    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.227     sakharuk  884: 	    $result .= '\end{document}';   
1.301     sakharuk  885: 	} elsif ($currentURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk  886: 		my %form;
                    887: 		$form{'grade_target'}='tex';
1.285     albertel  888: 		$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.258     sakharuk  889: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk  890: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.258     sakharuk  891: 		my $texversion=&Apache::lonnet::ssi($currentURL,%form);
                    892: 		$result .= $texversion;
1.162     sakharuk  893: 	} else {
1.307     sakharuk  894: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1.162     sakharuk  895: 	}
1.142     sakharuk  896:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
                    897:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.252     sakharuk  898:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
                    899: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.141     sakharuk  900:         #-- produce an output string
1.296     sakharuk  901: 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
                    902: 	    $selectionmade = 2;
                    903: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                    904: 	    $selectionmade = 3;
                    905: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                    906: 	    $selectionmade = 4;
                    907: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                    908: 	    $selectionmade = 7;
                    909: 	}
1.193     sakharuk  910: 	my %form=();	   
                    911: 	$form{'grade_target'}='tex';
1.285     albertel  912: 	$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.193     sakharuk  913: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk  914: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk  915: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk  916: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                    917: 	if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.141     sakharuk  918: 	my $flag_latex_header_remove = 'NO';
                    919: 	my $flag_page_in_sequence = 'NO';
                    920: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk  921: 	my $prevassignment='';
1.270     sakharuk  922: 	&Apache::lonnet::delenv('form.counter');
1.201     sakharuk  923: 	&Apache::lonxml::init_counter();
1.141     sakharuk  924: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.236     albertel  925: 	    my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel  926: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel  927: 	    $form{'symb'}=$master_seq[$i];
1.236     albertel  928: 	    my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
                    929: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1.267     sakharuk  930: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk  931: 	    if ($i==0) {$prevassignment=$assignment;}
1.141     sakharuk  932: 	    #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
1.297     sakharuk  933: 	    my $texversion='';
1.296     sakharuk  934: 	    if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.297     sakharuk  935: 		$texversion.=&Apache::lonnet::ssi($urlp,%form);
1.296     sakharuk  936: 		if ($urlp=~/\.page$/) {
                    937: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                    938: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                    939: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                    940: 		    $flag_page_in_sequence = 'YES';
                    941: 		} 
                    942: 		my $lonidsdir=$r->dir_config('lonIDsDir');
                    943: 		my $envfile=$ENV{'user.environment'};
                    944: 		$envfile=~/\/([^\/]+)\.id$/;
                    945: 		$envfile=$1;
                    946: 		&Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                    947: 		my $current_counter=$ENV{'form.counter'};
                    948: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    949: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                    950: 		    my %form;
                    951: 		    $form{'grade_target'}='answer';
                    952: 		    $form{'answer_output_mode'}='tex';
                    953: 		    my $answer=&Apache::lonnet::ssi($urlp,%form);
                    954: 		    &Apache::lonnet::appenv(('form.counter' => $current_counter));
                    955: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    956: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk  957: 		    } else {
1.307     sakharuk  958: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk  959: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                    960: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
                    961: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                    962: 			    $texversion.='\vskip 1 mm '.$answer;
                    963: 			} else {
                    964: 			    $texversion='';
                    965: 			}
1.249     sakharuk  966: 		    }
1.246     sakharuk  967: 		}
1.296     sakharuk  968: 		if ($flag_latex_header_remove ne 'NO') {
                    969: 		    $texversion = &latex_header_footer_remove($texversion);
                    970: 		} else {
                    971: 		    $texversion =~ s/\\end{document}//;
                    972: 		}
                    973: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                    974: 		    $texversion=&IndexCreation($texversion,$urlp);
                    975: 		}
                    976: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                    977: 		    my $name = &get_name();
                    978: 		    my $courseidinfo = &get_course();
                    979: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                    980: 		    $prevassignment=$assignment;
                    981: 		    $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
                    982: 		}
                    983: 		$result .= $texversion;
                    984: 		$flag_latex_header_remove = 'YES';   
1.301     sakharuk  985: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
                    986: 		my %form;
                    987: 		$form{'grade_target'}='tex';
                    988: 		$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
                    989: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    990: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
                    991: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
                    992: 		if ($flag_latex_header_remove ne 'NO') {
                    993: 		    $texversion = &latex_header_footer_remove($texversion);
                    994: 		} else {
                    995: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                    996: 		}
                    997: 		$result .= $texversion;
                    998: 		$flag_latex_header_remove = 'YES'; 
1.141     sakharuk  999: 	    } else {
1.307     sakharuk 1000: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1.297     sakharuk 1001: 		if ($flag_latex_header_remove ne 'NO') {
                   1002: 		    $texversion = &latex_header_footer_remove($texversion);
                   1003: 		} else {
                   1004: 		    $texversion =~ s/\\end{document}//;
                   1005: 		}
                   1006: 		$result .= $texversion;
                   1007: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 1008: 	    }	    
1.141     sakharuk 1009: 	}
                   1010: 	&Apache::lonnet::delenv('form.counter');
                   1011: 	if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}	
                   1012: 	$result .= '\end{document}';
1.284     albertel 1013:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
                   1014: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.150     sakharuk 1015:      #-- prints assignments for whole class or for selected students  
1.284     albertel 1016: 	 my $type;
1.254     sakharuk 1017: 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
                   1018: 	     $selectionmade=5;
1.284     albertel 1019: 	     $type='problems';
1.254     sakharuk 1020: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   1021: 	     $selectionmade=8;
1.284     albertel 1022: 	     $type='resources';
1.254     sakharuk 1023: 	 }
1.150     sakharuk 1024: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.278     albertel 1025:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   1026: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   1027: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   1028: 	 }
1.150     sakharuk 1029: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   1030: 	 #loop over students
                   1031: 	 my $flag_latex_header_remove = 'NO'; 
                   1032: 	 my %moreenv;
1.285     albertel 1033: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 1034: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1035: 	 if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1.150     sakharuk 1036: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
1.272     sakharuk 1037: 	 my $student_counter=-1;
1.150     sakharuk 1038: 	 foreach my $person (@students) {
1.311     sakharuk 1039:              my $duefile="/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
                   1040: 	     if (-e $duefile) {
                   1041: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   1042: 		 print $temp_file "1969\n";
                   1043: 	     }
1.272     sakharuk 1044: 	     $student_counter++;
1.284     albertel 1045: 	     my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   1046: 	     my ($output,$fullname)=&print_resources($r,$helper,$person,$type,\%moreenv,\@master_seq,$flag_latex_header_remove);
                   1047: 	     $print_array[$i].=$output;
                   1048: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   1049: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   1050: 	     $flag_latex_header_remove = 'YES';
                   1051: 	 }
                   1052: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1053: 	 $result .= $print_array[0].'  \end{document}';
                   1054:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   1055: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.292     albertel 1056: 	 my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                   1057: 	 my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1.288     albertel 1058: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   1059: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 1060: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.284     albertel 1061: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.288     albertel 1062: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.295     albertel 1063: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   1064: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   1065: 	     $number_per_page=$num_todo;
                   1066: 	 }
1.288     albertel 1067: 	 my $flag_latex_header_remove = 'NO'; 
                   1068: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.300     albertel 1069: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.288     albertel 1070: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 1071: 	 my @allcodes;
                   1072: 	 if ($old_name) {
                   1073: 	     my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
                   1074: 	     @allcodes=split(',',$result{$old_name});
                   1075: 	 } else {
                   1076: 	     my %allcodes;
1.299     albertel 1077: 	     srand($seed);
1.292     albertel 1078: 	     for (my $i=0;$i<$num_todo;$i++) {
                   1079: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
                   1080: 	     }
                   1081: 	     if ($code_name) {
                   1082: 		 &Apache::lonnet::put('CODEs',
                   1083: 				      {$code_name =>join(',',keys(%allcodes))},
                   1084: 				      $cdom,$cnum);
                   1085: 	     }
                   1086: 	     @allcodes=keys(%allcodes);
                   1087: 	 }
1.295     albertel 1088: 	 my $count=0;
1.292     albertel 1089: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 1090: 	     my $file_num=int($count/$number_per_page);
1.292     albertel 1091: 	     $moreenv{'CODE'}=&num_to_letters($code);
1.288     albertel 1092: 	     my ($output,$fullname)=
                   1093: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
                   1094: 				  \@master_seq,$flag_latex_header_remove);
1.295     albertel 1095: 	     $print_array[$file_num].=$output;
1.288     albertel 1096: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   1097: 				       &mt('last assignment').' '.$fullname);
                   1098: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 1099: 	     $count++;
1.288     albertel 1100: 	 }
                   1101: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1102: 	 $result .= $print_array[0].'  \end{document}';
                   1103:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 1104:     #prints selected problems from the subdirectory 
                   1105: 	$selectionmade = 6;
                   1106:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 1107: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 1108: 	my $flag_latex_header_remove = 'NO'; 
                   1109: 	my $rndseed=time;
1.230     albertel 1110: 	if ($helper->{'VARS'}->{'curseed'}) {
                   1111: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1112: 	}
1.151     sakharuk 1113: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.152     sakharuk 1114: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 1115: 	    $urlp=~s|//|/|;
1.152     sakharuk 1116: 	    if ($urlp=~/\//) {
1.166     albertel 1117: 		my %form;
                   1118: 		$form{'grade_target'}='tex';
1.285     albertel 1119: 		$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.175     sakharuk 1120: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 1121: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   1122: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   1123: 		} else {
1.302     sakharuk 1124: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 1125: 		}
1.166     albertel 1126: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1127: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 1128: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.174     sakharuk 1129: 		    my %form;
                   1130: 		    $form{'grade_target'}='answer';
                   1131: 		    $form{'answer_output_mode'}='tex';
1.203     sakharuk 1132: 		    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.174     sakharuk 1133: 		    $form{'rndseed'}=$rndseed;
                   1134: 		    my $answer=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1135: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1136: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1137: 		    } else {
1.253     sakharuk 1138: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1139: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1140: 			    $texversion.='\vskip 0 mm \noindent ';
                   1141: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1142: 			} else {
                   1143: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1144: 			    my $URLpath=$urlp;
                   1145: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1146: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1147: 			}
                   1148: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 1149: 		    }
1.174     sakharuk 1150: 		}
1.151     sakharuk 1151:                 #this chunck is responsible for printing the path to problem
1.253     sakharuk 1152: 		my $newurlp=$urlp;
                   1153: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   1154: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 1155: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 1156: 		if ($flag_latex_header_remove ne 'NO') {
                   1157: 		    $texversion = &latex_header_footer_remove($texversion);
                   1158: 		} else {
                   1159: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 1160: 		}
                   1161: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1162: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 1163: 		}
1.219     sakharuk 1164: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1165: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1166: 		    
                   1167: 		}
1.152     sakharuk 1168: 		$result .= $texversion;
                   1169: 	    }
                   1170: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 1171: 	}
1.175     sakharuk 1172: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 1173: 	$result .= '\end{document}';      	
1.140     sakharuk 1174:     }
                   1175: #-------------------------------------------------------- corrections for the different page formats
1.312     sakharuk 1176:     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1.140     sakharuk 1177:     $result = &latex_corrections($number_of_columns,$result);
1.272     sakharuk 1178:     for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i]);}
1.190     sakharuk 1179:     #changes page's parameters for the one column output 
1.195     sakharuk 1180:     if ($numberofcolumns == 1) {
1.261     sakharuk 1181: 	$result =~ s/\\textwidth\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   1182: 	$result =~ s/\\textheight\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   1183: 	$result =~ s/\\evensidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1184: 	$result =~ s/\\oddsidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.195     sakharuk 1185:     }
1.140     sakharuk 1186: #-- writing .tex file in prtspool 
                   1187:     my $temp_file;
1.277     albertel 1188:     my $identifier = &Apache::loncommon::get_cgi_id();
                   1189:     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
                   1190:     if (!($#print_array>0)) { 
                   1191: 	unless ($temp_file = Apache::File->new('>'.$filename)) {
                   1192: 	    $r->log_error("Couldn't open $filename for output $!");
                   1193: 	    return SERVER_ERROR; 
                   1194: 	}
                   1195: 	print $temp_file $result;
                   1196: 	my $begin=index($result,'\begin{document}',0);
                   1197: 	my $inc=substr($result,0,$begin+16);
                   1198:     } else {
                   1199: 	my $begin=index($result,'\begin{document}',0);
                   1200: 	my $inc=substr($result,0,$begin+16);
                   1201:         for (my $i=0;$i<=$#print_array;$i++) {
                   1202: 	    if ($i==0) {
                   1203: 		$print_array[$i]=$result;
                   1204: 	    } else {
                   1205: 		my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   1206: 		substr($print_array[$i],0,$anobegin)='';
                   1207: 		$print_array[$i]=$inc.$print_array[$i].'\end{document}';
                   1208: 	    }
1.272     sakharuk 1209: 	    my $temp_file;
1.273     sakharuk 1210: 	    my $newfilename=$filename;
1.277     albertel 1211: 	    my $num=$i+1;
                   1212: 	    $newfilename =~s/\.tex$/_$num\.tex/; 
1.272     sakharuk 1213: 	    unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   1214: 		$r->log_error("Couldn't open $newfilename for output $!");
                   1215: 		return SERVER_ERROR; 
                   1216: 	    }
                   1217: 	    print $temp_file $print_array[$i];
                   1218: 	}
                   1219:     }
1.274     sakharuk 1220:     my $student_names='';
                   1221:     if ($#print_array>0) {
                   1222: 	for (my $i=0;$i<=$#print_array;$i++) {
                   1223: 	    $student_names.=$student_names[$i].'_ENDPERSON_';
                   1224: 	}
1.277     albertel 1225:     } else {
1.278     albertel 1226: 	if ($#student_names>-1) {
                   1227: 	    $student_names=$student_names[0].'_ENDPERSON_';
                   1228: 	} else {
                   1229: 	    my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
                   1230: 	    $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
                   1231: 				$ENV{'request.course.sec'},$fullname).
                   1232: 				    '_ENDPERSON_'.'_END_';
                   1233: 	}
1.274     sakharuk 1234:     }
                   1235: 
1.276     sakharuk 1236:     my $URLback=''; #link to original document
                   1237:     if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1238: 	#prints published resource
                   1239: 	$URLback=$helper->{'VARS'}->{'postdata'};
                   1240:     } else {
                   1241: 	#prints resource from the construction space
                   1242: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 1243: 	if ($URLback=~/([^?]+)/) {
                   1244: 	    $URLback=$1;
                   1245: 	    $URLback=~s|^/~|/priv/|;
                   1246: 	}
1.276     sakharuk 1247:     }
1.256     sakharuk 1248: 
1.257     sakharuk 1249:     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                   1250:                             'cgi.'.$identifier.'.layout'  => $laystyle,
                   1251:                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
1.303     sakharuk 1252: 			    'cgi.'.$identifier.'.paper'  => $papersize,
1.257     sakharuk 1253:                             'cgi.'.$identifier.'.selection' => $selectionmade,
                   1254: 			    'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   1255: 			    'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1.272     sakharuk 1256: 			    'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1.274     sakharuk 1257:                             'cgi.'.$identifier.'numberoffiles' => $#print_array,
1.276     sakharuk 1258:                             'cgi.'.$identifier.'studentnames' => $student_names,
                   1259:                             'cgi.'.$identifier.'backref' => $URLback,);
1.256     sakharuk 1260:  
1.140     sakharuk 1261: $r->print(<<FINALEND);
1.288     albertel 1262: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.140     sakharuk 1263: </body>
                   1264: </html>
                   1265: FINALEND
                   1266: }
                   1267: 
1.288     albertel 1268: sub num_to_letters {
                   1269:     my ($num) = @_;
                   1270:     my @nums= split('',$num);
                   1271:     my @num_to_let=('A'..'Z');
                   1272:     my $word;
                   1273:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                   1274:     return $word;
                   1275: }
                   1276: 
                   1277: sub get_CODE {
                   1278:     my ($all_codes,$num,$seed,$size)=@_;
                   1279:     my $max='1'.'0'x$size;
                   1280:     my $newcode;
                   1281:     while(1) {
1.293     albertel 1282: 	$newcode=sprintf("%06d",int(rand($max)));
1.288     albertel 1283: 	if (!exists($$all_codes{$newcode})) {
                   1284: 	    $$all_codes{$newcode}=1;
                   1285: 	    return &num_to_letters($newcode);
                   1286: 	}
                   1287:     }
                   1288: }
1.140     sakharuk 1289: 
1.284     albertel 1290: sub print_resources {
                   1291:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header)=@_;
                   1292:     my $current_output = ''; 
                   1293:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   1294:     my $fullname = &get_name($username,$userdomain);
1.288     albertel 1295:     if ($person =~ 'anon') {
                   1296: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   1297:     }
1.284     albertel 1298:     #goes through all resources, checks if they are available for 
                   1299:     #current student, and produces output   
                   1300:     &Apache::lonnet::delenv('form.counter');
                   1301:     &Apache::lonxml::init_counter();
                   1302:     foreach my $curresline (@{$master_seq})  {
                   1303: 	if ( !($type eq 'problems' && 
                   1304: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   1305: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   1306: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.305     sakharuk 1307: 		if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
                   1308: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
                   1309: 		    my $lonidsdir=$r->dir_config('lonIDsDir');
                   1310: 		    my $envfile=$ENV{'user.environment'};
                   1311: 		    $envfile=~/\/([^\/]+)\.id$/;
                   1312: 		    $envfile=$1;
                   1313: 		    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                   1314: 		    my $current_counter=$ENV{'form.counter'};
                   1315: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1316: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1317: 			my %form;
                   1318: 			$form{'answer_output_mode'}='tex';
                   1319: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1320: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
                   1321: 			&Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1322: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1323: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   1324: 			} else {
                   1325: 			    $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1326: 			    $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
                   1327: 			    $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
                   1328: 			    $rendered.='\vskip 1 mm '.$ansrendered;
                   1329: 			}
                   1330: 		    }
                   1331: 		    if ($remove_latex_header eq 'YES') {
                   1332: 			$rendered = &latex_header_footer_remove($rendered);
                   1333: 		    } else {
                   1334: 			$rendered =~ s/\\end{document}//;
                   1335: 		    }
                   1336: 		    $current_output .= $rendered;		    
                   1337: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
                   1338: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
                   1339: 		    my $lonidsdir=$r->dir_config('lonIDsDir');
                   1340: 		    my $envfile=$ENV{'user.environment'};
                   1341: 		    $envfile=~/\/([^\/]+)\.id$/;
                   1342: 		    $envfile=$1;
                   1343: 		    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                   1344: 		    my $current_counter=$ENV{'form.counter'};
                   1345: 		    if ($remove_latex_header eq 'YES') {
                   1346: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 1347: 		    } else {
1.305     sakharuk 1348: 			$rendered =~ s/\\end{document}//;
1.284     albertel 1349: 		    }
1.305     sakharuk 1350: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.284     albertel 1351: 		} else {
1.307     sakharuk 1352: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1.305     sakharuk 1353: 		    if ($remove_latex_header ne 'NO') {
                   1354: 			$rendered = &latex_header_footer_remove($rendered);
                   1355: 		    } else {
                   1356: 			$rendered =~ s/\\end{document}//;
                   1357: 		    }
                   1358: 		    $current_output .= $rendered;
1.284     albertel 1359: 		}
                   1360: 	    }
                   1361: 	    $remove_latex_header = 'YES';
                   1362: 	}
                   1363:     }
                   1364:     my $courseidinfo = &get_course();
                   1365:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1366:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
                   1367:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
                   1368:     if ($current_output=~/\\documentclass/) {
                   1369: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
                   1370:     } else {
                   1371: 	my $blankpages = '';
                   1372: 	for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1.315   ! sakharuk 1373: 	$current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}}} \vskip -5 mm '.$current_output;
1.284     albertel 1374:     }
                   1375:     return ($current_output,$fullname);
                   1376: 
                   1377: }
1.140     sakharuk 1378: 
1.3       sakharuk 1379: sub handler {
                   1380: 
                   1381:     my $r = shift;
1.131     bowersj2 1382:     my $helper;
1.114     bowersj2 1383: 
1.150     sakharuk 1384: #    my $loaderror=&Apache::lonnet::overloaderror($r);
                   1385: #    if ($loaderror) { return $loaderror; }
                   1386: #    $loaderror=
                   1387: #       &Apache::lonnet::overloaderror($r,
                   1388: #         $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
                   1389: #    if ($loaderror) { return $loaderror; }
1.67      www      1390: 
1.177     sakharuk 1391:     my $result = printHelper($r);
                   1392:     if (!ref($result)) {
                   1393: 	return $result;
1.60      sakharuk 1394:     }
1.177     sakharuk 1395:     $helper = $result;
                   1396:    
                   1397: #	my $key; 
                   1398: #	foreach $key (keys %{$helper->{'VARS'}}) {
                   1399: #	    $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
                   1400: #	}
1.264     sakharuk 1401: #	foreach $key (keys %ENV) {
                   1402: #	    $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
                   1403: #	}
1.177     sakharuk 1404: #	return OK;
1.184     sakharuk 1405: 
                   1406:     my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
                   1407:     
1.207     sakharuk 1408: #	my $key; 
1.200     sakharuk 1409: #	foreach $key (keys %parmhash) {
                   1410: #	    $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
                   1411: #	}
                   1412: #	return OK;
1.184     sakharuk 1413: 
                   1414:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 1415:     return OK;
1.60      sakharuk 1416: } 
1.2       sakharuk 1417: 
1.131     bowersj2 1418: use Apache::lonhelper;
1.130     sakharuk 1419: 
1.223     bowersj2 1420: sub addMessage {
                   1421:     my $text = shift;
                   1422:     my $paramHash = Apache::lonhelper::getParamHash();
                   1423:     $paramHash->{MESSAGE_TEXT} = $text;
                   1424:     Apache::lonhelper::message->new();
                   1425: }
                   1426: 
1.238     bowersj2 1427: use Data::Dumper;
                   1428: 
1.131     bowersj2 1429: sub printHelper {
1.115     bowersj2 1430:     my $r = shift;
                   1431: 
                   1432:     if ($ENV{'request.course.id'}) {
1.131     bowersj2 1433: 	my $fn=$ENV{'request.course.fn'};
                   1434: 	tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1.115     bowersj2 1435:     }
                   1436: 
                   1437:     if ($r->header_only) {
1.131     bowersj2 1438:         if ($ENV{'browser.mathml'}) {
1.241     www      1439:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 1440:         } else {
1.241     www      1441:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 1442:         }
                   1443:         $r->send_http_header;
                   1444:         return OK;
1.115     bowersj2 1445:     }
                   1446: 
1.131     bowersj2 1447:     # Send header, nocache
1.115     bowersj2 1448:     if ($ENV{'browser.mathml'}) {
1.241     www      1449:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 1450:     } else {
1.241     www      1451:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 1452:     }
                   1453:     &Apache::loncommon::no_cache($r);
                   1454:     $r->send_http_header;
                   1455:     $r->rflush();
                   1456: 
1.131     bowersj2 1457:     # Unfortunately, this helper is so complicated we have to
                   1458:     # write it by hand
                   1459: 
                   1460:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   1461:     
1.176     bowersj2 1462:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 1463:     $helper->declareVar('symb');
1.156     bowersj2 1464:     $helper->declareVar('postdata');    
1.290     sakharuk 1465:     $helper->declareVar('curseed'); 
                   1466:     $helper->declareVar('probstatus');   
1.156     bowersj2 1467:     $helper->declareVar('filename');
                   1468:     $helper->declareVar('construction');
1.178     sakharuk 1469:     $helper->declareVar('assignment');
1.262     sakharuk 1470:     $helper->declareVar('style_file');
1.131     bowersj2 1471:     
                   1472:     # This will persistently load in the data we want from the
                   1473:     # very first screen.
1.156     bowersj2 1474:     # Detect whether we're coming from construction space
1.208     www      1475:     if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 1476:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 1477:         $helper->{VARS}->{'construction'} = 1;
                   1478:     } else {
                   1479:         if ($ENV{'form.postdata'}) {
                   1480:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
                   1481:         }
                   1482:         if ($ENV{'form.symb'}) {
                   1483:             $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1484:         }
                   1485:         if ($ENV{'form.url'}) {
                   1486:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   1487:         }
1.157     bowersj2 1488:     }
1.156     bowersj2 1489: 
1.146     bowersj2 1490:     if ($ENV{'form.symb'}) {
                   1491:         $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1492:     }
                   1493:     if ($ENV{'form.url'}) {
1.140     sakharuk 1494:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 1495: 
1.140     sakharuk 1496:     }
1.146     bowersj2 1497:     
1.115     bowersj2 1498:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1.178     sakharuk 1499:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140     sakharuk 1500: 
1.156     bowersj2 1501:     
1.146     bowersj2 1502:     # Extract map
                   1503:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 1504:     my ($map, $id, $url);
                   1505:     my $subdir;
                   1506: 
                   1507:     # Get the resource name from construction space
                   1508:     if ($helper->{VARS}->{'construction'}) {
                   1509:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   1510:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   1511:         $subdir = substr($helper->{VARS}->{'filename'},
                   1512:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
                   1513:     } else {
1.233     www      1514:         ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.156     bowersj2 1515:         $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1.146     bowersj2 1516: 
1.156     bowersj2 1517:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 1518:             my $postdata = $helper->{VARS}->{'postdata'};
                   1519:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 1520:         }
                   1521:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 1522:     }
1.230     albertel 1523:     if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
                   1524: 	$helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
                   1525:     }
1.290     sakharuk 1526:     if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) {
                   1527: 	$helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'};
                   1528:     }
1.115     bowersj2 1529: 
1.192     bowersj2 1530:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1.235     bowersj2 1531:     my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
                   1532: 			   $ENV{'request.role'}=~m/^in\./ or
                   1533: 			   $ENV{'request.role'}=~m/^ta\./);
1.192     bowersj2 1534: 
1.131     bowersj2 1535:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 1536: 
1.131     bowersj2 1537:     # "Delete everything after the last slash."
1.119     bowersj2 1538:     $subdir =~ s|/[^/]+$||;
1.162     sakharuk 1539:     if (not $helper->{VARS}->{'construction'}) {
1.302     sakharuk 1540: 	$subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1.153     sakharuk 1541:     }
1.189     bowersj2 1542:     # "Remove all duplicate slashes."
                   1543:     $subdir =~ s|/+|/|g;
1.119     bowersj2 1544: 
1.131     bowersj2 1545:     # What can be printed is a very dynamic decision based on
                   1546:     # lots of factors. So we need to dynamically build this list.
                   1547:     # To prevent security leaks, states are only added to the wizard
                   1548:     # if they can be reached, which ensures manipulating the form input
                   1549:     # won't allow anyone to reach states they shouldn't have permission
                   1550:     # to reach.
                   1551: 
                   1552:     # printChoices is tracking the kind of printing the user can
                   1553:     # do, and will be used in a choices construction later.
                   1554:     # In the meantime we will be adding states and elements to
                   1555:     # the helper by hand.
                   1556:     my $printChoices = [];
                   1557:     my $paramHash;
1.130     sakharuk 1558: 
1.240     albertel 1559:     if ($resourceTitle) {
1.291     sakharuk 1560:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 1561:     }
                   1562: 
1.238     bowersj2 1563:     # Useful filter strings
1.287     albertel 1564:     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1.238     bowersj2 1565:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.287     albertel 1566:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
                   1567:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 1568:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   1569:     my $isMap = '$res->is_map()';
                   1570:     my $symbFilter = '$res->symb()';
                   1571:     my $urlValue = '$res->src()';
                   1572: 
                   1573:     $helper->declareVar('SEQUENCE');
                   1574: 
                   1575:     # Useful for debugging: Dump the help vars
                   1576:     #$r->print(Dumper($helper->{VARS}));
                   1577:     #$r->print($map);
                   1578: 
1.131     bowersj2 1579:     # If we're in a sequence...
1.235     bowersj2 1580:     if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.243     bowersj2 1581: 	$helper->{VARS}->{'postdata'} &&
                   1582: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 1583:         # Allow problems from sequence
1.291     sakharuk 1584:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 1585:         # Allow all resources from sequence
1.291     sakharuk 1586:         push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130     sakharuk 1587: 
1.131     bowersj2 1588:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 1589:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
                   1590:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1591:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1592:               closeallpages="1">
1.144     bowersj2 1593:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1594:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 1595:       <mapurl>$map</mapurl>
1.238     bowersj2 1596:       <valuefunc>return $symbFilter;</valuefunc>
1.131     bowersj2 1597:       </resource>
                   1598:     </state>
                   1599: 
1.155     sakharuk 1600:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
                   1601:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1602:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1603:               closeallpages="1">
1.144     bowersj2 1604:       <nextstate>PAGESIZE</nextstate>
1.145     bowersj2 1605:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 1606:       <mapurl>$map</mapurl>
1.238     bowersj2 1607:       <valuefunc>return $symbFilter;</valuefunc>
1.131     bowersj2 1608:       </resource>
                   1609:     </state>
                   1610: HELPERFRAGMENT
1.121     bowersj2 1611: 
1.131     bowersj2 1612:         &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 
1.121     bowersj2 1613:     }
                   1614: 
                   1615:     # If the user is priviledged, allow them to print all 
                   1616:     # problems in the course, optionally for selected students
1.306     sakharuk 1617:     if ($userPriviledged && 
                   1618:         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.254     sakharuk 1619:         push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1.284     albertel 1620:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 1621:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
                   1622:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1623:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   1624: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 1625:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1626:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 1627:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 1628:       <valuefunc>return $symbFilter;</valuefunc>
1.284     albertel 1629:     </resource>
                   1630:   </state>
                   1631: ALL_PROBLEMS
1.132     bowersj2 1632: 
1.284     albertel 1633: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 1634: 	    push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
                   1635: 	    push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 1636: 	}
                   1637: 	my $resource_selector=<<RESOURCE_SELECTOR;
                   1638:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 1639:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   1640:               closeallpages="1">
1.254     sakharuk 1641:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 1642:       <mapurl>$map</mapurl>
1.254     sakharuk 1643:       <valuefunc>return $symbFilter;</valuefunc>
1.147     bowersj2 1644:       </resource>
1.155     sakharuk 1645:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 1646:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 1647:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1648:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1649:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1650:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 1651:     </choices>
                   1652:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   1653:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   1654: RESOURCE_SELECTOR
                   1655: 
                   1656:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   1657:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
                   1658:       <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
                   1659:     $resource_selector
                   1660:   </state>
1.131     bowersj2 1661: CHOOSE_STUDENTS
1.292     albertel 1662: 
                   1663: 	my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                   1664: 	my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
                   1665:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   1666: 	my $namechoice='<choice></choice>';
                   1667: 	foreach my $name (@names) {
1.294     albertel 1668: 	    if ($name =~ /^error: 2 /) { next; }
1.292     albertel 1669: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   1670: 	}
1.284     albertel 1671:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
                   1672:   <state name="CHOOSE_ANON1" title="Select Students and Resources">
1.288     albertel 1673:     <nextstate>PAGESIZE</nextstate>
1.287     albertel 1674:     <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1.284     albertel 1675:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1.292     albertel 1676:     <message><br /><b>Names to store the CODEs under for later:</b></message>
1.288     albertel 1677:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1.292     albertel 1678:     <message><hr width='33%' /></message>
                   1679:     <message><b>Reprint a set of saved CODEs:</b></message>
                   1680:     <dropdown variable="REUSE_OLD_CODES">
                   1681:         $namechoice
                   1682:     </dropdown>
1.284     albertel 1683:     <message><hr width='33%' /></message>
                   1684:     $resource_selector
                   1685:   </state>
                   1686: CHOOSE_ANON1
1.254     sakharuk 1687: 
1.272     sakharuk 1688: 
1.254     sakharuk 1689: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 1690: 	    push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
                   1691: 	    push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'resources_for_anon', 'CHOOSE_ANON2'];
1.254     sakharuk 1692: 	}
1.284     albertel 1693: 	    
                   1694: 
                   1695: 	$resource_selector=<<RESOURCE_SELECTOR;
1.254     sakharuk 1696:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 1697:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   1698:               closeallpages="1">
1.254     sakharuk 1699:       <filterfunc>return $isNotMap;</filterfunc>
                   1700:       <mapurl>$map</mapurl>
                   1701:       <valuefunc>return $symbFilter;</valuefunc>
                   1702:       </resource>
                   1703:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   1704:     <choices variable="EMPTY_PAGES">
                   1705:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1706:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1707:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1708:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 1709:     </choices>
                   1710:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   1711:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   1712: RESOURCE_SELECTOR
                   1713: 
                   1714: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   1715:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
                   1716:     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
                   1717:     $resource_selector
1.254     sakharuk 1718:     </state>
                   1719: CHOOSE_STUDENTS1
                   1720: 
1.284     albertel 1721: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
                   1722:   <state name="CHOOSE_ANON2" title="Select Students and Resources">
1.294     albertel 1723:     <nextstate>PAGESIZE</nextstate>
                   1724:     <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1.284     albertel 1725:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1.294     albertel 1726:     <message><br /><b>Names to store the CODEs under for later:</b></message>
                   1727:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   1728:     <message><hr width='33%' /></message>
                   1729:     <message><b>Reprint a set of saved CODEs:</b></message>
                   1730:     <dropdown variable="REUSE_OLD_CODES">
                   1731:         $namechoice
                   1732:     </dropdown>
1.284     albertel 1733:     <message><hr width='33%' /></message>
                   1734:     $resource_selector
                   1735:   </state>
                   1736: CHOOSE_ANON2
1.121     bowersj2 1737:     }
                   1738: 
                   1739:     # FIXME: That RE should come from a library somewhere.
1.302     sakharuk 1740:     if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $ENV{'request.role.adv'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
1.291     sakharuk 1741:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238     bowersj2 1742: 
1.131     bowersj2 1743:         my $f = '$filename';
1.139     bowersj2 1744:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155     sakharuk 1745:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
                   1746:     <message>(mark them then click "next" button) <br /></message>
1.138     bowersj2 1747:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 1748:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 1749:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 1750: CHOOSE_FROM_SUBDIR
                   1751:         
1.238     bowersj2 1752:         # this is broken up because I really want interpolation above,
                   1753:         # and I really DON'T want it below
1.139     bowersj2 1754:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 1755:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   1756: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 1757:       </filefilter>
1.138     bowersj2 1758:       </files>
1.131     bowersj2 1759:     </state>
                   1760: CHOOSE_FROM_SUBDIR
1.139     bowersj2 1761:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 1762:     }
1.238     bowersj2 1763: 
                   1764:     # Allow the user to select any sequence in the course, feed it to
                   1765:     # another resource selector for that sequence
1.239     bowersj2 1766:     if (!$helper->{VARS}->{'construction'}) {
1.254     sakharuk 1767: 	push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1.249     sakharuk 1768: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 1769: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   1770: 	#Escape apostrophes and backslashes for Perl
                   1771: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   1772: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 1773: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 1774:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   1775:     <message>Select the sequence to print resources from:</message>
                   1776:     <resource variable="SEQUENCE">
                   1777:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   1778:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   1779:       <valuefunc>return $urlValue;</valuefunc>
                   1780:       </resource>
                   1781:     </state>
                   1782:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   1783:     <message>(mark desired resources then click "next" button) <br /></message>
1.287     albertel 1784:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1785:               closeallpages="1">
1.238     bowersj2 1786:       <nextstate>PAGESIZE</nextstate>
                   1787:       <filterfunc>return $isProblem</filterfunc>
1.244     bowersj2 1788:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 1789:       <valuefunc>return $symbFilter;</valuefunc>
                   1790:       </resource>
                   1791:     </state>
                   1792: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 1793: }
1.131     bowersj2 1794: 
                   1795:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 1796:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 1797:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 1798:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 1799:     Apache::lonhelper::message->new();
                   1800:     $paramHash = Apache::lonhelper::getParamHash();
                   1801:     $paramHash->{'variable'} = 'PRINT_TYPE';
1.137     bowersj2 1802:     $helper->declareVar('PRINT_TYPE');
1.131     bowersj2 1803:     $paramHash->{CHOICES} = $printChoices;
                   1804:     Apache::lonhelper::choices->new();
1.161     bowersj2 1805: 
1.223     bowersj2 1806:     my $startedTable = 0; # have we started an HTML table yet? (need
                   1807:                           # to close it later)
                   1808: 
1.170     sakharuk 1809:     if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or 
                   1810: 	($helper->{VARS}->{'construction'} eq '1')) {
1.242     sakharuk 1811: 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161     bowersj2 1812:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 1813: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   1814: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 1815:         $paramHash->{CHOICES} = [
1.242     sakharuk 1816:                                    ['Without Answers', 'yes'],
                   1817:                                    ['With Answers', 'no'],
1.289     sakharuk 1818:                                    ['Only Answers', 'only'],
                   1819:                                    ['As Exam Problem', 'exam']
                   1820:                                 ];
1.210     sakharuk 1821:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 1822: 	addMessage("</td></tr>");
                   1823: 	$startedTable = 1;
1.161     bowersj2 1824:     }
1.209     sakharuk 1825: 
1.203     sakharuk 1826:     if ($ENV{'request.role.adv'}) {
1.223     bowersj2 1827: 	if (!$startedTable) {
                   1828: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
                   1829: 	    $startedTable = 1;
                   1830: 	} else {
                   1831: 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
                   1832: 	}
1.203     sakharuk 1833:         $paramHash = Apache::lonhelper::getParamHash();
                   1834: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   1835: 	$helper->declareVar('LATEX_TYPE');  
                   1836: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   1837: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1838: 				     ['standard LaTeX mode', 'standard'], 
                   1839: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 1840: 	} else {
                   1841: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1842: 				     ['LaTeX batchmode', 'batchmode'],
                   1843: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 1844: 	}
1.210     sakharuk 1845:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 1846:  
1.223     bowersj2 1847: 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209     sakharuk 1848:         $paramHash = Apache::lonhelper::getParamHash();
                   1849: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   1850: 	$helper->declareVar('TABLE_CONTENTS');         
                   1851:         $paramHash->{CHOICES} = [
1.223     bowersj2 1852:                                    ['No', 'no'],
                   1853:                                    ['Yes', 'yes'] ];
1.210     sakharuk 1854:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 1855: 	addMessage("</td></tr>");
1.214     sakharuk 1856:         
1.220     sakharuk 1857: 	if (not $helper->{VARS}->{'construction'}) {
1.223     bowersj2 1858: 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220     sakharuk 1859: 	    $paramHash = Apache::lonhelper::getParamHash();
                   1860: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   1861: 	    $helper->declareVar('TABLE_INDEX');         
                   1862: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1863: 				     ['No', 'no'],
                   1864: 				     ['Yes', 'yes'] ];
1.220     sakharuk 1865: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 1866: 	    addMessage("</td></tr>");
1.309     sakharuk 1867: 	    addMessage("<tr><td align='right'>Print Discussions: </td><td>");
                   1868: 	    $paramHash = Apache::lonhelper::getParamHash();
                   1869: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   1870: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   1871: 	    $paramHash->{CHOICES} = [
                   1872: 				     ['No', 'no'],
                   1873: 				     ['Yes', 'yes'] ];
                   1874: 	    Apache::lonhelper::dropdown->new();
                   1875: 	    addMessage("</td></tr>");
1.220     sakharuk 1876: 	}
1.219     sakharuk 1877: 
1.230     albertel 1878: 	if ($helper->{'VARS'}->{'construction'}) { 
1.265     sakharuk 1879: 	    my $stylevalue=$ENV{'construct.style'};
                   1880: 	    my $xmlfrag .= <<"RNDSEED";
1.290     sakharuk 1881: 	    <message><tr><td align='right'>Use random seed:  </td><td></message>
1.230     albertel 1882: 	    <string variable="curseed" size="15" maxlength="15">
                   1883: 		<defaultvalue>
                   1884: 	            return $helper->{VARS}->{'curseed'};
                   1885: 	        </defaultvalue>
1.262     sakharuk 1886: 	    </string>
1.264     sakharuk 1887: 	     <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1.265     sakharuk 1888:              <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1.230     albertel 1889:              <message></td></tr></message>
                   1890: RNDSEED
                   1891:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.264     sakharuk 1892: 	    $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1.219     sakharuk 1893: 	}
1.223     bowersj2 1894:     }
1.264     sakharuk 1895: 
                   1896: 
                   1897: 
1.218     sakharuk 1898: 
1.223     bowersj2 1899:     if ($startedTable) {
                   1900: 	addMessage("</table>");
1.215     sakharuk 1901:     }
1.161     bowersj2 1902: 
1.131     bowersj2 1903:     Apache::lonprintout::page_format_state->new("FORMAT");
                   1904: 
1.144     bowersj2 1905:     # Generate the PAGESIZE state which will offer the user the margin
                   1906:     # choices if they select one column
                   1907:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   1908:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   1909: 
                   1910: 
1.131     bowersj2 1911:     $helper->process();
                   1912: 
                   1913:     # MANUAL BAILOUT CONDITION:
                   1914:     # If we're in the "final" state, bailout and return to handler
                   1915:     if ($helper->{STATE} eq 'FINAL') {
                   1916:         return $helper;
                   1917:     }    
1.130     sakharuk 1918: 
1.131     bowersj2 1919:     $r->print($helper->display());
1.130     sakharuk 1920: 
1.131     bowersj2 1921:     Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 1922: 
                   1923:     untie %hash;
                   1924: 
                   1925:     return OK;
                   1926: }
                   1927: 
1.1       www      1928: 
                   1929: 1;
1.119     bowersj2 1930: 
                   1931: package Apache::lonprintout::page_format_state;
                   1932: 
                   1933: =pod
                   1934: 
1.131     bowersj2 1935: =head1 Helper element: page_format_state
                   1936: 
                   1937: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 1938: 
1.131     bowersj2 1939: Apache::lonprintout::page_format_state is an element that gives the 
                   1940: user an opportunity to select the page layout they wish to print 
                   1941: with: Number of columns, portrait/landscape, and paper size. If you 
                   1942: want to change the paper size choices, change the @paperSize array 
                   1943: contents in this package.
1.119     bowersj2 1944: 
1.131     bowersj2 1945: page_format_state is always directly invoked in lonprintout.pm, so there
                   1946: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 1947: 
                   1948: =over 4
                   1949: 
1.131     bowersj2 1950: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 1951: 
                   1952: =back
                   1953: 
                   1954: =cut
                   1955: 
1.131     bowersj2 1956: use Apache::lonhelper;
1.119     bowersj2 1957: 
                   1958: no strict;
1.131     bowersj2 1959: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 1960: use strict;
1.266     sakharuk 1961: use Apache::lonlocal;
1.119     bowersj2 1962: 
                   1963: my $maxColumns = 2;
                   1964: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 
                   1965:                  "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1966:                  "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]", 
                   1967:                  "A5 [148x210 mm]", "A6 [105x148 mm]" );
                   1968: 
                   1969: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   1970: #                   Paper type
                   1971: 
                   1972: sub new { 
1.131     bowersj2 1973:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 1974: 
1.135     bowersj2 1975:     shift;
                   1976: 
1.131     bowersj2 1977:     $self->{'variable'} = shift;
1.134     bowersj2 1978:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 1979:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 1980:     bless($self);
1.119     bowersj2 1981:     return $self;
                   1982: }
                   1983: 
                   1984: sub render {
                   1985:     my $self = shift;
1.131     bowersj2 1986:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 1987:     my $result = '';
1.131     bowersj2 1988:     my $var = $self->{'variable'};
1.266     sakharuk 1989:     my $PageLayout=&mt('Page layout');
                   1990:     my $NumberOfColumns=&mt('Number of columns');
                   1991:     my $PaperType=&mt('Paper type');
1.119     bowersj2 1992:     $result .= <<STATEHTML;
                   1993: 
1.223     bowersj2 1994: <hr width="33%" />
1.119     bowersj2 1995: <table cellpadding="3">
                   1996:   <tr>
1.266     sakharuk 1997:     <td align="center"><b>$PageLayout</b></td>
                   1998:     <td align="center"><b>$NumberOfColumns</b></td>
                   1999:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 2000:   </tr>
                   2001:   <tr>
                   2002:     <td>
1.155     sakharuk 2003:       <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
                   2004:       <input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait
1.119     bowersj2 2005:     </td>
1.155     sakharuk 2006:     <td align="center">
1.119     bowersj2 2007:       <select name="${var}.cols">
                   2008: STATEHTML
                   2009: 
                   2010:     my $i;
                   2011:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 2012:         if ($i == 2) {
1.119     bowersj2 2013:             $result .= "<option value='$i' selected>$i</option>\n";
                   2014:         } else {
                   2015:             $result .= "<option value='$i'>$i</option>\n";
                   2016:         }
                   2017:     }
                   2018: 
                   2019:     $result .= "</select></td><td>\n";
                   2020:     $result .= "<select name='${var}.paper'>\n";
                   2021: 
1.304     sakharuk 2022:     my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
                   2023:     my $DefaultPaperSize=$parmhash{'default_paper_size'};
                   2024:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 2025:     $i = 0;
                   2026:     foreach (@paperSize) {
1.304     sakharuk 2027:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.131     bowersj2 2028:             $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2029:         } else {
1.131     bowersj2 2030:             $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2031:         }
                   2032:         $i++;
                   2033:     }
                   2034: 
                   2035:     $result .= "</select></td></tr></table>";
                   2036:     return $result;
1.135     bowersj2 2037: }
                   2038: 
                   2039: sub postprocess {
                   2040:     my $self = shift;
                   2041: 
                   2042:     my $var = $self->{'variable'};
1.136     bowersj2 2043:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 2044:     $helper->{VARS}->{$var} = 
1.136     bowersj2 2045:         $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
                   2046:         $ENV{"form.$var.paper"};
1.135     bowersj2 2047:     return 1;
1.119     bowersj2 2048: }
                   2049: 
                   2050: 1;
1.144     bowersj2 2051: 
                   2052: package Apache::lonprintout::page_size_state;
                   2053: 
                   2054: =pod
                   2055: 
                   2056: =head1 Helper element: page_size_state
                   2057: 
                   2058: See lonhelper.pm documentation for discussion of the helper framework.
                   2059: 
                   2060: Apache::lonprintout::page_size_state is an element that gives the 
                   2061: user the opportunity to further refine the page settings if they
                   2062: select a single-column page.
                   2063: 
                   2064: page_size_state is always directly invoked in lonprintout.pm, so there
                   2065: is no tag interface. You actually pass parameters to the constructor.
                   2066: 
                   2067: =over 4
                   2068: 
                   2069: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   2070: 
                   2071: =back
                   2072: 
                   2073: =cut
                   2074: 
                   2075: use Apache::lonhelper;
                   2076: 
                   2077: no strict;
                   2078: @ISA = ("Apache::lonhelper::element");
                   2079: use strict;
                   2080: 
                   2081: 
                   2082: 
                   2083: sub new { 
                   2084:     my $self = Apache::lonhelper::element->new();
                   2085: 
                   2086:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   2087:            # package descriptor)... - Jeremy
                   2088: 
                   2089:     $self->{'variable'} = shift;
                   2090:     my $helper = Apache::lonhelper::getHelper();
                   2091:     $helper->declareVar($self->{'variable'});
                   2092: 
                   2093:     # The variable name of the format element, so we can look into 
                   2094:     # $helper->{VARS} to figure out whether the columns are one or two
                   2095:     $self->{'formatvar'} = shift;
                   2096: 
                   2097:     # The state to transition to after selection, or after discovering
                   2098:     # the cols are not set to 1
                   2099:     $self->{NEXTSTATE} = shift;
                   2100:     bless($self);
                   2101:     return $self;
                   2102: }
                   2103: 
                   2104: sub render {
                   2105:     my $self = shift;
                   2106:     my $helper = Apache::lonhelper::getHelper();
                   2107:     my $result = '';
                   2108:     my $var = $self->{'variable'};
                   2109: 
                   2110:     if (defined $self->{ERROR_MSG}) {
                   2111:         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
                   2112:     }
                   2113: 
                   2114:     $result .= <<ELEMENTHTML;
                   2115: 
                   2116: <p>How should the column be formatted?</p>
                   2117: 
                   2118: <table cellpadding='3'>
                   2119:   <tr>
                   2120:     <td align='right'><b>Width</b>:</td>
                   2121:     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
                   2122:     <td align='left'>
                   2123:       <select name='$var.widthunit'>
                   2124:         <option>cm</option><option>in</option>
                   2125:       </select>
                   2126:     </td>
                   2127:   </tr>
                   2128:   <tr>
                   2129:     <td align='right'><b>Height</b>:</td>
                   2130:     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
                   2131:     <td align='left'>
                   2132:       <select name='$var.heightunit'>
                   2133:         <option>cm</option><option>in</option>
                   2134:       </select>
                   2135:     </td>
                   2136:   </tr>
                   2137:   <tr>
                   2138:     <td align='right'><b>Left margin</b>:</td>
                   2139:     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
                   2140:     <td align='left'>
1.186     bowersj2 2141:       <select name='$var.lmarginunit'>
1.144     bowersj2 2142:         <option>cm</option><option>in</option>
                   2143:       </select>
                   2144:     </td>
                   2145:   </tr>
                   2146: </table>
                   2147: 
                   2148: <p>Hint: Some instructors like to leave scratch space for the student by
1.280     albertel 2149: making the width much smaller than the width of the page.</p>
1.144     bowersj2 2150: 
                   2151: ELEMENTHTML
                   2152: 
                   2153:     return $result;
                   2154: }
                   2155: 
                   2156: # If the user didn't select 1 column, skip this state.
                   2157: sub preprocess {
                   2158:     my $self = shift;
                   2159:     my $helper = Apache::lonhelper::getHelper();
                   2160: 
                   2161:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   2162:     if (substr($format, 2, 1) ne '1') {
                   2163:         $helper->changeState($self->{NEXTSTATE});
                   2164:     }
                   2165:    
                   2166:     return 1;
                   2167: }
                   2168: 
                   2169: sub postprocess {
                   2170:     my $self = shift;
                   2171: 
                   2172:     my $var = $self->{'variable'};
                   2173:     my $helper = Apache::lonhelper->getHelper();
                   2174:     my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"}; 
                   2175:     my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"}; 
                   2176:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"}; 
                   2177:     $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"}; 
                   2178:     $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"}; 
                   2179:     $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"}; 
                   2180: 
                   2181:     my $error = '';
                   2182: 
                   2183:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   2184:     # by an optional period, followed by digits, ending the string
                   2185: 
                   2186:     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2187:         $error .= "Invalid width; please type only a number.<br />\n";
                   2188:     }
                   2189:     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2190:         $error .= "Invalid height; please type only a number.<br />\n";
                   2191:     }
                   2192:     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2193:         $error .= "Invalid left margin; please type only a number.<br />\n";
                   2194:     }
                   2195: 
                   2196:     if (!$error) {
                   2197:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   2198:         return 1;
                   2199:     } else {
                   2200:         $self->{ERROR_MSG} = $error;
                   2201:         return 0;
                   2202:     }
                   2203: }
                   2204: 
                   2205: 
1.119     bowersj2 2206: 
1.1       www      2207: __END__
1.6       sakharuk 2208: 

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