Annotation of loncom/interface/lonprintout.pm, revision 1.308

1.1       www         1: # The LearningOnline Network
                      2: # Printout
                      3: #
1.308   ! sakharuk    4: # $Id: lonprintout.pm,v 1.307 2004/06/08 14:55:22 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 $courseidinfo;
                    472: }
1.177     sakharuk  473: 
1.76      sakharuk  474: sub page_format_transformation {
1.214     sakharuk  475:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist) = @_; 
1.202     sakharuk  476:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.222     sakharuk  477:     $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1.261     sakharuk  478:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.126     albertel  479:     my $name = &get_name();
1.213     albertel  480:     my $courseidinfo = &get_course();
                    481:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.140     sakharuk  482:     if ($layout eq 'album') {
1.202     sakharuk  483: 	my $topmargintoinsert = '';
                    484: 	if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.213     albertel  485: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}} \\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1} /;
1.140     sakharuk  486:     } elsif ($layout eq 'book') {
                    487: 	if ($choice ne 'All class print') { 
1.213     albertel  488: 	    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/;
1.140     sakharuk  489: 	} else {
1.190     sakharuk  490: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
1.140     sakharuk  491: 	}
                    492:     }
1.214     sakharuk  493:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                    494:     if ($indexlist eq 'yes') {
                    495: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                    496: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                    497:     }
1.140     sakharuk  498:     return $text;
                    499: }
                    500: 
                    501: 
1.33      sakharuk  502: sub page_cleanup {
                    503:     my $result = shift;	
1.65      sakharuk  504:  
                    505:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk  506:     my $number_of_columns = $1;
1.33      sakharuk  507:     my $insert = '{';
1.34      sakharuk  508:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk  509:     $insert .= '}';
1.65      sakharuk  510:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk  511:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                    512:     return $result,$number_of_columns;
1.7       sakharuk  513: }
1.5       sakharuk  514: 
1.3       sakharuk  515: 
1.60      sakharuk  516: sub details_for_menu {
                    517: 
1.269     albertel  518:     my $name_of_resourse = &Apache::lonnet::gettitle($ENV{'form.postdata'});
1.60      sakharuk  519:     my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
1.233     www       520:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel  521:     $map=&Apache::lonnet::clutter($map);
1.269     albertel  522:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel  523:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel  524: 	$map =~ m|([^/]+)$|;
                    525: 	$name_of_sequence = $1;
1.63      albertel  526:     }
1.269     albertel  527:     my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'});
1.63      albertel  528:     if ($name_of_map =~ /^\s*$/) {
1.123     albertel  529: 	$ENV{'request.course.uri'} =~ m|([^/]+)$|;
                    530: 	$name_of_map = $1;
                    531:     }
1.63      albertel  532:     return ($name_of_resourse,$name_of_sequence,$name_of_map);
1.60      sakharuk  533: 
1.76      sakharuk  534: }
                    535: 
                    536: 
                    537: sub latex_corrections {
                    538: 
                    539:     my ($number_of_columns,$result) = @_;
                    540: 
1.185     sakharuk  541: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76      sakharuk  542:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk  543:     $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License  $1/;
                    544:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                    545:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk  546: #-- LaTeX corrections     
                    547:     my $first_comment = index($result,'<!--',0);
                    548:     while ($first_comment != -1) {
                    549: 	my $end_comment = index($result,'-->',$first_comment);
                    550: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                    551: 	$first_comment = index($result,'<!--',$first_comment);
                    552:     }
                    553:     $result =~ s/^\s+$//gm; #remove empty lines
1.94      sakharuk  554:     $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
1.76      sakharuk  555:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                    556:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                    557:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
                    558: 	$result =~ s/\\\\\s+\[/ \[/g;
                    559:     $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
                    560:     #conversion of html characters to LaTeX equivalents
                    561:     if ($result =~ m/&(\w+|#\d+);/) {
                    562: 	$result = &character_chart($result);
                    563:     }
                    564:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                    565:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                    566: 
                    567:     return $result;
1.60      sakharuk  568: }
                    569: 
1.3       sakharuk  570: 
1.214     sakharuk  571: sub index_table {
                    572:     my $currentURL = shift;
                    573:     my $insex_string='';
                    574:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                    575:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                    576:     return $insex_string;
                    577: }
                    578: 
                    579: 
1.215     sakharuk  580: sub IndexCreation {
                    581:     my ($texversion,$currentURL)=@_;
                    582:     my @key_words=split(/,/,&index_table($currentURL));
                    583:     my $chunk='';
                    584:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                    585:     if ($st>0) {
                    586: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                    587: 	$chunk=substr($texversion,0,$st+1);
                    588: 	substr($texversion,0,$st+1)=' ';
                    589:     }
                    590:     foreach my $key_word (@key_words) {
                    591: 	if ($key_word=~/\S+/) {
                    592: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                    593: 	}
                    594:     }			
                    595:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                    596:     return $texversion;
                    597: }
                    598: 
1.242     sakharuk  599: sub print_latex_header {
                    600:     my $mode=shift;
                    601:     my $output='\documentclass[letterpaper]{article}';
                    602:     if ($mode eq 'batchmode') {
                    603: 	$output.='\batchmode';
                    604:     }
                    605:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'.
                    606: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
                    607: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
                    608: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
                    609: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
                    610: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
                    611: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
                    612: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'.
                    613: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
                    614: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
                    615: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
                    616: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
                    617: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
                    618: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
                    619: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'.
                    620: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
                    621:     return $output;	     
                    622: }
                    623: 
                    624: sub path_to_problem {
                    625:     my ($urlp,$LaTeXwidth)=@_;
                    626:     my $newurlp = '';
                    627:     $LaTeXwidth=~s/\s*mm\s*$//;
                    628:     my $HowMany = length($urlp)*2;
                    629:     if ($HowMany > $LaTeXwidth) {
                    630: 	my @temporrary = split '/',$urlp;
                    631: 	my $HowManyNew = 0;
                    632: 	for (my $ii=0;$ii<=$#temporrary;$ii++) {
                    633: 	    if ($temporrary[$ii] ne '') {
                    634: 		$HowManyNew += length($temporrary[$ii])*2;
                    635: 		if ($HowManyNew < $LaTeXwidth ) {
                    636: 		    $newurlp .=  '/'.$temporrary[$ii];
                    637: 		} else {
                    638: 		    $HowManyNew = 0;
                    639: 		    $newurlp .=  '|\vskip -1 mm \noindent \verb|';
                    640: 		    $ii--;
                    641: 		}
                    642: 	    }
                    643: 	}
1.253     sakharuk  644:     } else {
                    645: 	$newurlp=$urlp;
1.242     sakharuk  646:     }
                    647:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                    648: }
1.215     sakharuk  649: 
1.275     sakharuk  650: sub recalcto_mm {
                    651:     my $textwidth=shift;
                    652:     my $LaTeXwidth;
                    653:     if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
                    654: 	$LaTeXwidth = $1*10;
                    655:     } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
                    656: 	$LaTeXwidth = $1;
                    657:     } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
                    658: 	$LaTeXwidth = $1*25.4;
                    659:     }
                    660:     $LaTeXwidth.=' mm';
                    661:     return $LaTeXwidth;
                    662: }
                    663: 
1.285     albertel  664: sub get_textwidth {
                    665:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel  666:     my $textwidth=$LaTeXwidth;
1.285     albertel  667:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                    668: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel  669: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                    670: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel  671:     }
1.286     albertel  672:     return $textwidth;
1.285     albertel  673: }
                    674: 
1.296     sakharuk  675: 
                    676: sub unsupported {
1.307     sakharuk  677:     my ($currentURL,$mode)=@_;
                    678:     if ($mode ne '') {$mode='\\'.$mode}
1.308   ! sakharuk  679:     my $result.= &print_latex_header($mode);
1.301     sakharuk  680:     if ($currentURL=~/\/ext\//) {
1.296     sakharuk  681: 	$result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
                    682:     } else {
                    683: 	$result.=$currentURL;
                    684:     }
1.297     sakharuk  685:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk  686:     return $result;
                    687: }
                    688: 
                    689: 
1.177     sakharuk  690: sub output_data {
1.184     sakharuk  691:     my ($r,$helper,$rparmhash) = @_;
                    692:     my %parmhash = %$rparmhash;
1.187     www       693:     my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
1.140     sakharuk  694:     $r->print(<<ENDPART);
                    695: <html>
1.264     sakharuk  696: <script type="text/javascript" language="Javascript" >
                    697:     var editbrowser;
                    698:     function openbrowser(formname,elementname,only,omit) {
                    699:         var url = '/res/?';
                    700:         if (editbrowser == null) {
                    701:             url += 'launch=1&';
                    702:         }
                    703:         url += 'catalogmode=interactive&';
                    704:         url += 'mode=parmset&';
                    705:         url += 'form=' + formname + '&';
                    706:         if (only != null) {
                    707:             url += 'only=' + only + '&';
                    708:         } 
                    709:         if (omit != null) {
                    710:             url += 'omit=' + omit + '&';
                    711:         }
                    712:         url += 'element=' + elementname + '';
                    713:         var title = 'Browser';
                    714:         var options = 'scrollbars=1,resizable=1,menubar=0';
                    715:         options += ',width=700,height=600';
                    716:         editbrowser = open(url,title,options,'1');
                    717:         editbrowser.focus();
                    718:     }
                    719: </script>
1.140     sakharuk  720: <head>
                    721: <title>LON-CAPA output for printing</title>
                    722: </head>
1.187     www       723: $bodytag
                    724: Please stand by while processing your print request, this may take some time ...
1.140     sakharuk  725: ENDPART
                    726: 
                    727:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                    728:     my ($result,$selectionmade) = ('','');
                    729:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                    730:     my @temporary_array=split /\|/,$format_from_helper;
                    731:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                    732:     if ($laystyle eq 'L') {
                    733: 	$laystyle='album';
                    734:     } else {
                    735: 	$laystyle='book';
                    736:     }
1.177     sakharuk  737:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.140     sakharuk  738:     my $assignment =  $ENV{'form.assignment'};
1.275     sakharuk  739:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk  740:     my @print_array=();
1.274     sakharuk  741:     my @student_names=();
1.153     sakharuk  742:     
1.140     sakharuk  743:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk  744:       #-- single document - problem, page, html, xml, ...
                    745: 	my $currentURL;
1.162     sakharuk  746: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk  747:             #prints published resource
1.153     sakharuk  748: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.143     sakharuk  749: 	} else {
1.185     sakharuk  750:             #prints resource from the construction space
1.240     albertel  751: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk  752: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.143     sakharuk  753: 	}
1.140     sakharuk  754: 	$selectionmade = 1;
1.143     sakharuk  755: 	if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel  756: 	    my $rndseed=time;
1.242     sakharuk  757: 	    my $texversion='';
                    758: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    759: 		my %moreenv;
                    760: 		$moreenv{'request.filename'}=$currentURL;
1.265     sakharuk  761: 		if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                    762: 		    $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
                    763: 		    my $dom = $ENV{'user.domain'};
                    764: 		    my $user = $ENV{'user.name'};
                    765: 		    my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
                    766: 		}
1.242     sakharuk  767: 		my %form;
1.290     sakharuk  768:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk  769: 		$form{'grade_target'}='tex';
1.285     albertel  770: 		$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.242     sakharuk  771: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                    772: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    773: 		if ($helper->{'VARS'}->{'curseed'}) {
                    774: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                    775: 		}
                    776: 		$form{'rndseed'}=$rndseed;
                    777: 		&Apache::lonnet::appenv(%moreenv);
                    778: 		&Apache::lonnet::delenv('form.counter');
                    779: 		&Apache::lonxml::init_counter();
1.275     sakharuk  780: 		$texversion.=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  781: 		&Apache::lonnet::delenv('form.counter');
                    782: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel  783: 	    }
1.242     sakharuk  784: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    785: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.166     albertel  786: 		my %form;
                    787: 		$form{'grade_target'}='answer';
1.167     albertel  788: 		$form{'answer_output_mode'}='tex';
1.169     albertel  789: 		$form{'rndseed'}=$rndseed;
1.166     albertel  790: 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  791: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    792: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    793: 		} else {
                    794: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk  795: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                    796: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                    797: 			$texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                    798: 		    } else {
                    799: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                    800: 			my $URLpath=$currentURL;
                    801: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                    802: 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                    803: 		    }
1.242     sakharuk  804: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    805: 		}
1.163     sakharuk  806: 	    }
1.214     sakharuk  807: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk  808: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk  809: 	    }
1.219     sakharuk  810: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                    811: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                    812: 
                    813: 	    }
1.162     sakharuk  814: 	    $result .= $texversion;
                    815: 	    if ($currentURL=~m/\.page\s*$/) {
                    816: 		($result,$number_of_columns) = &page_cleanup($result);
                    817: 	    }
1.227     sakharuk  818:         } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
                    819:             #printing content of sequence from the construction space	
                    820: 	    my $flag_latex_header_remove = 'NO'; 
                    821: 	    my $rndseed=time;
1.231     albertel  822: 	    if ($helper->{'VARS'}->{'curseed'}) {
                    823: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                    824: 	    }
1.227     sakharuk  825: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                    826: 	    my $errtext=&Apache::lonratedt::mapread($currentURL);
                    827: 	    for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
                    828: 		$Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
                    829: 		my $urlp=$2;
                    830: 		if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.245     sakharuk  831: 		    my $texversion='';
                    832: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    833: 			my %form;
                    834: 			$form{'grade_target'}='tex';
1.285     albertel  835: 			$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.245     sakharuk  836: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                    837: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    838: 			$form{'rndseed'}=$rndseed;
                    839: 			$texversion=&Apache::lonnet::ssi($urlp,%form);
                    840: 		    }
1.249     sakharuk  841: 		    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    842: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                    843: 		       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1.227     sakharuk  844: 			my %form;
                    845: 			$form{'grade_target'}='answer';
                    846: 			$form{'answer_output_mode'}='tex';
                    847: 			$form{'rndseed'}=$rndseed;
1.232     sakharuk  848:                         if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
1.227     sakharuk  849: 			my $answer=&Apache::lonnet::ssi($urlp,%form);
1.245     sakharuk  850: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    851: 			    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    852: 			} else {
                    853: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                    854: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                    855: 			    $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                    856: 			    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    857: 			}
1.227     sakharuk  858: 		    }
                    859: 		    if ($flag_latex_header_remove ne 'NO') {
                    860: 			$texversion = &latex_header_footer_remove($texversion);
                    861: 		    } else {
                    862: 			$texversion =~ s/\\end{document}//;
                    863: 		    }
                    864: 		    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                    865: 			$texversion=&IndexCreation($texversion,$urlp);
                    866: 		    }
1.232     sakharuk  867: 		    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1.227     sakharuk  868: 			$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                    869: 		    }
                    870: 		    $result.=$texversion;
                    871: 		    $flag_latex_header_remove = 'YES';
                    872: 		} elsif ($urlp=~/\.(sequence|page)$/) {
1.229     sakharuk  873: 		    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1.227     sakharuk  874: 		}  
                    875: 	    }
1.228     sakharuk  876: 	    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.227     sakharuk  877: 	    $result .= '\end{document}';   
1.301     sakharuk  878: 	} elsif ($currentURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk  879: 		my %form;
                    880: 		$form{'grade_target'}='tex';
1.285     albertel  881: 		$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.258     sakharuk  882: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk  883: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.258     sakharuk  884: 		my $texversion=&Apache::lonnet::ssi($currentURL,%form);
                    885: 		$result .= $texversion;
1.162     sakharuk  886: 	} else {
1.307     sakharuk  887: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1.162     sakharuk  888: 	}
1.142     sakharuk  889:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
                    890:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.252     sakharuk  891:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
                    892: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.141     sakharuk  893:         #-- produce an output string
1.296     sakharuk  894: 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
                    895: 	    $selectionmade = 2;
                    896: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                    897: 	    $selectionmade = 3;
                    898: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                    899: 	    $selectionmade = 4;
                    900: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                    901: 	    $selectionmade = 7;
                    902: 	}
1.193     sakharuk  903: 	my %form=();	   
                    904: 	$form{'grade_target'}='tex';
1.285     albertel  905: 	$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.193     sakharuk  906: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.203     sakharuk  907: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.141     sakharuk  908: 	my $flag_latex_header_remove = 'NO';
                    909: 	my $flag_page_in_sequence = 'NO';
                    910: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk  911: 	my $prevassignment='';
1.270     sakharuk  912: 	&Apache::lonnet::delenv('form.counter');
1.201     sakharuk  913: 	&Apache::lonxml::init_counter();
1.141     sakharuk  914: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.236     albertel  915: 	    my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel  916: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel  917: 	    $form{'symb'}=$master_seq[$i];
1.236     albertel  918: 	    my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
                    919: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1.267     sakharuk  920: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk  921: 	    if ($i==0) {$prevassignment=$assignment;}
1.141     sakharuk  922: 	    #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
1.297     sakharuk  923: 	    my $texversion='';
1.296     sakharuk  924: 	    if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.297     sakharuk  925: 		$texversion.=&Apache::lonnet::ssi($urlp,%form);
1.296     sakharuk  926: 		if ($urlp=~/\.page$/) {
                    927: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                    928: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                    929: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                    930: 		    $flag_page_in_sequence = 'YES';
                    931: 		} 
                    932: 		my $lonidsdir=$r->dir_config('lonIDsDir');
                    933: 		my $envfile=$ENV{'user.environment'};
                    934: 		$envfile=~/\/([^\/]+)\.id$/;
                    935: 		$envfile=$1;
                    936: 		&Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                    937: 		my $current_counter=$ENV{'form.counter'};
                    938: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    939: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                    940: 		    my %form;
                    941: 		    $form{'grade_target'}='answer';
                    942: 		    $form{'answer_output_mode'}='tex';
                    943: 		    my $answer=&Apache::lonnet::ssi($urlp,%form);
                    944: 		    &Apache::lonnet::appenv(('form.counter' => $current_counter));
                    945: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    946: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk  947: 		    } else {
1.307     sakharuk  948: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk  949: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                    950: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
                    951: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                    952: 			    $texversion.='\vskip 1 mm '.$answer;
                    953: 			} else {
                    954: 			    $texversion='';
                    955: 			}
1.249     sakharuk  956: 		    }
1.246     sakharuk  957: 		}
1.296     sakharuk  958: 		if ($flag_latex_header_remove ne 'NO') {
                    959: 		    $texversion = &latex_header_footer_remove($texversion);
                    960: 		} else {
                    961: 		    $texversion =~ s/\\end{document}//;
                    962: 		}
                    963: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                    964: 		    $texversion=&IndexCreation($texversion,$urlp);
                    965: 		}
                    966: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                    967: 		    my $name = &get_name();
                    968: 		    my $courseidinfo = &get_course();
                    969: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                    970: 		    $prevassignment=$assignment;
                    971: 		    $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
                    972: 		}
                    973: 		$result .= $texversion;
                    974: 		$flag_latex_header_remove = 'YES';   
1.301     sakharuk  975: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
                    976: 		my %form;
                    977: 		$form{'grade_target'}='tex';
                    978: 		$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
                    979: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    980: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
                    981: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
                    982: 		if ($flag_latex_header_remove ne 'NO') {
                    983: 		    $texversion = &latex_header_footer_remove($texversion);
                    984: 		} else {
                    985: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                    986: 		}
                    987: 		$result .= $texversion;
                    988: 		$flag_latex_header_remove = 'YES'; 
1.141     sakharuk  989: 	    } else {
1.307     sakharuk  990: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1.297     sakharuk  991: 		if ($flag_latex_header_remove ne 'NO') {
                    992: 		    $texversion = &latex_header_footer_remove($texversion);
                    993: 		} else {
                    994: 		    $texversion =~ s/\\end{document}//;
                    995: 		}
                    996: 		$result .= $texversion;
                    997: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk  998: 	    }	    
1.141     sakharuk  999: 	}
                   1000: 	&Apache::lonnet::delenv('form.counter');
                   1001: 	if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}	
                   1002: 	$result .= '\end{document}';
1.284     albertel 1003:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
                   1004: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.150     sakharuk 1005:      #-- prints assignments for whole class or for selected students  
1.284     albertel 1006: 	 my $type;
1.254     sakharuk 1007: 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
                   1008: 	     $selectionmade=5;
1.284     albertel 1009: 	     $type='problems';
1.254     sakharuk 1010: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   1011: 	     $selectionmade=8;
1.284     albertel 1012: 	     $type='resources';
1.254     sakharuk 1013: 	 }
1.150     sakharuk 1014: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.278     albertel 1015:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   1016: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   1017: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   1018: 	 }
1.150     sakharuk 1019: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   1020: 	 #loop over students
                   1021: 	 my $flag_latex_header_remove = 'NO'; 
                   1022: 	 my %moreenv;
1.285     albertel 1023: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.150     sakharuk 1024: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
1.272     sakharuk 1025: 	 my $student_counter=-1;
1.150     sakharuk 1026: 	 foreach my $person (@students) {
1.272     sakharuk 1027: 	     $student_counter++;
1.284     albertel 1028: 	     my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   1029: 	     my ($output,$fullname)=&print_resources($r,$helper,$person,$type,\%moreenv,\@master_seq,$flag_latex_header_remove);
                   1030: 	     $print_array[$i].=$output;
                   1031: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   1032: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   1033: 	     $flag_latex_header_remove = 'YES';
                   1034: 	 }
                   1035: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1036: 	 $result .= $print_array[0].'  \end{document}';
                   1037:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   1038: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.292     albertel 1039: 	 my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                   1040: 	 my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1.288     albertel 1041: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   1042: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 1043: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.284     albertel 1044: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.288     albertel 1045: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.295     albertel 1046: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   1047: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   1048: 	     $number_per_page=$num_todo;
                   1049: 	 }
1.288     albertel 1050: 	 my $flag_latex_header_remove = 'NO'; 
                   1051: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.300     albertel 1052: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.288     albertel 1053: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 1054: 	 my @allcodes;
                   1055: 	 if ($old_name) {
                   1056: 	     my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
                   1057: 	     @allcodes=split(',',$result{$old_name});
                   1058: 	 } else {
                   1059: 	     my %allcodes;
1.299     albertel 1060: 	     srand($seed);
1.292     albertel 1061: 	     for (my $i=0;$i<$num_todo;$i++) {
                   1062: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
                   1063: 	     }
                   1064: 	     if ($code_name) {
                   1065: 		 &Apache::lonnet::put('CODEs',
                   1066: 				      {$code_name =>join(',',keys(%allcodes))},
                   1067: 				      $cdom,$cnum);
                   1068: 	     }
                   1069: 	     @allcodes=keys(%allcodes);
                   1070: 	 }
1.295     albertel 1071: 	 my $count=0;
1.292     albertel 1072: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 1073: 	     my $file_num=int($count/$number_per_page);
1.292     albertel 1074: 	     $moreenv{'CODE'}=&num_to_letters($code);
1.288     albertel 1075: 	     my ($output,$fullname)=
                   1076: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
                   1077: 				  \@master_seq,$flag_latex_header_remove);
1.295     albertel 1078: 	     $print_array[$file_num].=$output;
1.288     albertel 1079: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   1080: 				       &mt('last assignment').' '.$fullname);
                   1081: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 1082: 	     $count++;
1.288     albertel 1083: 	 }
                   1084: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1085: 	 $result .= $print_array[0].'  \end{document}';
                   1086:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 1087:     #prints selected problems from the subdirectory 
                   1088: 	$selectionmade = 6;
                   1089:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 1090: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 1091: 	my $flag_latex_header_remove = 'NO'; 
                   1092: 	my $rndseed=time;
1.230     albertel 1093: 	if ($helper->{'VARS'}->{'curseed'}) {
                   1094: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1095: 	}
1.151     sakharuk 1096: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.152     sakharuk 1097: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 1098: 	    $urlp=~s|//|/|;
1.152     sakharuk 1099: 	    if ($urlp=~/\//) {
1.166     albertel 1100: 		my %form;
                   1101: 		$form{'grade_target'}='tex';
1.285     albertel 1102: 		$form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.175     sakharuk 1103: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 1104: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   1105: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   1106: 		} else {
1.302     sakharuk 1107: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 1108: 		}
1.166     albertel 1109: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1110: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 1111: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.174     sakharuk 1112: 		    my %form;
                   1113: 		    $form{'grade_target'}='answer';
                   1114: 		    $form{'answer_output_mode'}='tex';
1.203     sakharuk 1115: 		    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.174     sakharuk 1116: 		    $form{'rndseed'}=$rndseed;
                   1117: 		    my $answer=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1118: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1119: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1120: 		    } else {
1.253     sakharuk 1121: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1122: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1123: 			    $texversion.='\vskip 0 mm \noindent ';
                   1124: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1125: 			} else {
                   1126: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1127: 			    my $URLpath=$urlp;
                   1128: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1129: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1130: 			}
                   1131: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 1132: 		    }
1.174     sakharuk 1133: 		}
1.151     sakharuk 1134:                 #this chunck is responsible for printing the path to problem
1.253     sakharuk 1135: 		my $newurlp=$urlp;
                   1136: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   1137: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 1138: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 1139: 		if ($flag_latex_header_remove ne 'NO') {
                   1140: 		    $texversion = &latex_header_footer_remove($texversion);
                   1141: 		} else {
                   1142: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 1143: 		}
                   1144: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1145: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 1146: 		}
1.219     sakharuk 1147: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1148: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1149: 		    
                   1150: 		}
1.152     sakharuk 1151: 		$result .= $texversion;
                   1152: 	    }
                   1153: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 1154: 	}
1.175     sakharuk 1155: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 1156: 	$result .= '\end{document}';      	
1.140     sakharuk 1157:     }
                   1158: #-------------------------------------------------------- corrections for the different page formats
1.214     sakharuk 1159:     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'});
1.140     sakharuk 1160:     $result = &latex_corrections($number_of_columns,$result);
1.272     sakharuk 1161:     for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i]);}
1.190     sakharuk 1162:     #changes page's parameters for the one column output 
1.195     sakharuk 1163:     if ($numberofcolumns == 1) {
1.261     sakharuk 1164: 	$result =~ s/\\textwidth\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   1165: 	$result =~ s/\\textheight\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   1166: 	$result =~ s/\\evensidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1167: 	$result =~ s/\\oddsidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.195     sakharuk 1168:     }
1.140     sakharuk 1169: #-- writing .tex file in prtspool 
                   1170:     my $temp_file;
1.277     albertel 1171:     my $identifier = &Apache::loncommon::get_cgi_id();
                   1172:     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
                   1173:     if (!($#print_array>0)) { 
                   1174: 	unless ($temp_file = Apache::File->new('>'.$filename)) {
                   1175: 	    $r->log_error("Couldn't open $filename for output $!");
                   1176: 	    return SERVER_ERROR; 
                   1177: 	}
                   1178: 	print $temp_file $result;
                   1179: 	my $begin=index($result,'\begin{document}',0);
                   1180: 	my $inc=substr($result,0,$begin+16);
                   1181:     } else {
                   1182: 	my $begin=index($result,'\begin{document}',0);
                   1183: 	my $inc=substr($result,0,$begin+16);
                   1184:         for (my $i=0;$i<=$#print_array;$i++) {
                   1185: 	    if ($i==0) {
                   1186: 		$print_array[$i]=$result;
                   1187: 	    } else {
                   1188: 		my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   1189: 		substr($print_array[$i],0,$anobegin)='';
                   1190: 		$print_array[$i]=$inc.$print_array[$i].'\end{document}';
                   1191: 	    }
1.272     sakharuk 1192: 	    my $temp_file;
1.273     sakharuk 1193: 	    my $newfilename=$filename;
1.277     albertel 1194: 	    my $num=$i+1;
                   1195: 	    $newfilename =~s/\.tex$/_$num\.tex/; 
1.272     sakharuk 1196: 	    unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   1197: 		$r->log_error("Couldn't open $newfilename for output $!");
                   1198: 		return SERVER_ERROR; 
                   1199: 	    }
                   1200: 	    print $temp_file $print_array[$i];
                   1201: 	}
                   1202:     }
1.274     sakharuk 1203:     my $student_names='';
                   1204:     if ($#print_array>0) {
                   1205: 	for (my $i=0;$i<=$#print_array;$i++) {
                   1206: 	    $student_names.=$student_names[$i].'_ENDPERSON_';
                   1207: 	}
1.277     albertel 1208:     } else {
1.278     albertel 1209: 	if ($#student_names>-1) {
                   1210: 	    $student_names=$student_names[0].'_ENDPERSON_';
                   1211: 	} else {
                   1212: 	    my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
                   1213: 	    $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
                   1214: 				$ENV{'request.course.sec'},$fullname).
                   1215: 				    '_ENDPERSON_'.'_END_';
                   1216: 	}
1.274     sakharuk 1217:     }
                   1218: 
1.276     sakharuk 1219:     my $URLback=''; #link to original document
                   1220:     if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1221: 	#prints published resource
                   1222: 	$URLback=$helper->{'VARS'}->{'postdata'};
                   1223:     } else {
                   1224: 	#prints resource from the construction space
                   1225: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 1226: 	if ($URLback=~/([^?]+)/) {
                   1227: 	    $URLback=$1;
                   1228: 	    $URLback=~s|^/~|/priv/|;
                   1229: 	}
1.276     sakharuk 1230:     }
1.256     sakharuk 1231: 
1.257     sakharuk 1232:     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                   1233:                             'cgi.'.$identifier.'.layout'  => $laystyle,
                   1234:                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
1.303     sakharuk 1235: 			    'cgi.'.$identifier.'.paper'  => $papersize,
1.257     sakharuk 1236:                             'cgi.'.$identifier.'.selection' => $selectionmade,
                   1237: 			    'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   1238: 			    'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1.272     sakharuk 1239: 			    'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
1.274     sakharuk 1240:                             'cgi.'.$identifier.'numberoffiles' => $#print_array,
1.276     sakharuk 1241:                             'cgi.'.$identifier.'studentnames' => $student_names,
                   1242:                             'cgi.'.$identifier.'backref' => $URLback,);
1.256     sakharuk 1243:  
1.140     sakharuk 1244: $r->print(<<FINALEND);
1.288     albertel 1245: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.140     sakharuk 1246: </body>
                   1247: </html>
                   1248: FINALEND
                   1249: }
                   1250: 
1.288     albertel 1251: sub num_to_letters {
                   1252:     my ($num) = @_;
                   1253:     my @nums= split('',$num);
                   1254:     my @num_to_let=('A'..'Z');
                   1255:     my $word;
                   1256:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                   1257:     return $word;
                   1258: }
                   1259: 
                   1260: sub get_CODE {
                   1261:     my ($all_codes,$num,$seed,$size)=@_;
                   1262:     my $max='1'.'0'x$size;
                   1263:     my $newcode;
                   1264:     while(1) {
1.293     albertel 1265: 	$newcode=sprintf("%06d",int(rand($max)));
1.288     albertel 1266: 	if (!exists($$all_codes{$newcode})) {
                   1267: 	    $$all_codes{$newcode}=1;
                   1268: 	    return &num_to_letters($newcode);
                   1269: 	}
                   1270:     }
                   1271: }
1.140     sakharuk 1272: 
1.284     albertel 1273: sub print_resources {
                   1274:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header)=@_;
                   1275:     my $current_output = ''; 
                   1276:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   1277:     my $fullname = &get_name($username,$userdomain);
1.288     albertel 1278:     if ($person =~ 'anon') {
                   1279: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   1280:     }
1.284     albertel 1281:     #goes through all resources, checks if they are available for 
                   1282:     #current student, and produces output   
                   1283:     &Apache::lonnet::delenv('form.counter');
                   1284:     &Apache::lonxml::init_counter();
                   1285:     foreach my $curresline (@{$master_seq})  {
                   1286: 	if ( !($type eq 'problems' && 
                   1287: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   1288: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   1289: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.305     sakharuk 1290: 		if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
                   1291: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
                   1292: 		    my $lonidsdir=$r->dir_config('lonIDsDir');
                   1293: 		    my $envfile=$ENV{'user.environment'};
                   1294: 		    $envfile=~/\/([^\/]+)\.id$/;
                   1295: 		    $envfile=$1;
                   1296: 		    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                   1297: 		    my $current_counter=$ENV{'form.counter'};
                   1298: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1299: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1300: 			my %form;
                   1301: 			$form{'answer_output_mode'}='tex';
                   1302: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1303: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
                   1304: 			&Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1305: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1306: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   1307: 			} else {
                   1308: 			    $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1309: 			    $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
                   1310: 			    $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
                   1311: 			    $rendered.='\vskip 1 mm '.$ansrendered;
                   1312: 			}
                   1313: 		    }
                   1314: 		    if ($remove_latex_header eq 'YES') {
                   1315: 			$rendered = &latex_header_footer_remove($rendered);
                   1316: 		    } else {
                   1317: 			$rendered =~ s/\\end{document}//;
                   1318: 		    }
                   1319: 		    $current_output .= $rendered;		    
                   1320: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
                   1321: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
                   1322: 		    my $lonidsdir=$r->dir_config('lonIDsDir');
                   1323: 		    my $envfile=$ENV{'user.environment'};
                   1324: 		    $envfile=~/\/([^\/]+)\.id$/;
                   1325: 		    $envfile=$1;
                   1326: 		    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                   1327: 		    my $current_counter=$ENV{'form.counter'};
                   1328: 		    if ($remove_latex_header eq 'YES') {
                   1329: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 1330: 		    } else {
1.305     sakharuk 1331: 			$rendered =~ s/\\end{document}//;
1.284     albertel 1332: 		    }
1.305     sakharuk 1333: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.284     albertel 1334: 		} else {
1.307     sakharuk 1335: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1.305     sakharuk 1336: 		    if ($remove_latex_header ne 'NO') {
                   1337: 			$rendered = &latex_header_footer_remove($rendered);
                   1338: 		    } else {
                   1339: 			$rendered =~ s/\\end{document}//;
                   1340: 		    }
                   1341: 		    $current_output .= $rendered;
1.284     albertel 1342: 		}
                   1343: 	    }
                   1344: 	    $remove_latex_header = 'YES';
                   1345: 	}
                   1346:     }
                   1347:     my $courseidinfo = &get_course();
                   1348:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1349:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
                   1350:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
                   1351:     if ($current_output=~/\\documentclass/) {
                   1352: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
                   1353:     } else {
                   1354: 	my $blankpages = '';
                   1355: 	for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
                   1356: 	$current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}}} \vskip -5 mm '.$current_output;
                   1357:     }
                   1358:     return ($current_output,$fullname);
                   1359: 
                   1360: }
1.140     sakharuk 1361: 
1.3       sakharuk 1362: sub handler {
                   1363: 
                   1364:     my $r = shift;
1.131     bowersj2 1365:     my $helper;
1.114     bowersj2 1366: 
1.150     sakharuk 1367: #    my $loaderror=&Apache::lonnet::overloaderror($r);
                   1368: #    if ($loaderror) { return $loaderror; }
                   1369: #    $loaderror=
                   1370: #       &Apache::lonnet::overloaderror($r,
                   1371: #         $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
                   1372: #    if ($loaderror) { return $loaderror; }
1.67      www      1373: 
1.177     sakharuk 1374:     my $result = printHelper($r);
                   1375:     if (!ref($result)) {
                   1376: 	return $result;
1.60      sakharuk 1377:     }
1.177     sakharuk 1378:     $helper = $result;
                   1379:    
                   1380: #	my $key; 
                   1381: #	foreach $key (keys %{$helper->{'VARS'}}) {
                   1382: #	    $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
                   1383: #	}
1.264     sakharuk 1384: #	foreach $key (keys %ENV) {
                   1385: #	    $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
                   1386: #	}
1.177     sakharuk 1387: #	return OK;
1.184     sakharuk 1388: 
                   1389:     my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
                   1390:     
1.207     sakharuk 1391: #	my $key; 
1.200     sakharuk 1392: #	foreach $key (keys %parmhash) {
                   1393: #	    $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
                   1394: #	}
                   1395: #	return OK;
1.184     sakharuk 1396: 
                   1397:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 1398:     return OK;
1.60      sakharuk 1399: } 
1.2       sakharuk 1400: 
1.131     bowersj2 1401: use Apache::lonhelper;
1.130     sakharuk 1402: 
1.223     bowersj2 1403: sub addMessage {
                   1404:     my $text = shift;
                   1405:     my $paramHash = Apache::lonhelper::getParamHash();
                   1406:     $paramHash->{MESSAGE_TEXT} = $text;
                   1407:     Apache::lonhelper::message->new();
                   1408: }
                   1409: 
1.238     bowersj2 1410: use Data::Dumper;
                   1411: 
1.131     bowersj2 1412: sub printHelper {
1.115     bowersj2 1413:     my $r = shift;
                   1414: 
                   1415:     if ($ENV{'request.course.id'}) {
1.131     bowersj2 1416: 	my $fn=$ENV{'request.course.fn'};
                   1417: 	tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1.115     bowersj2 1418:     }
                   1419: 
                   1420:     if ($r->header_only) {
1.131     bowersj2 1421:         if ($ENV{'browser.mathml'}) {
1.241     www      1422:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 1423:         } else {
1.241     www      1424:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 1425:         }
                   1426:         $r->send_http_header;
                   1427:         return OK;
1.115     bowersj2 1428:     }
                   1429: 
1.131     bowersj2 1430:     # Send header, nocache
1.115     bowersj2 1431:     if ($ENV{'browser.mathml'}) {
1.241     www      1432:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 1433:     } else {
1.241     www      1434:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 1435:     }
                   1436:     &Apache::loncommon::no_cache($r);
                   1437:     $r->send_http_header;
                   1438:     $r->rflush();
                   1439: 
1.131     bowersj2 1440:     # Unfortunately, this helper is so complicated we have to
                   1441:     # write it by hand
                   1442: 
                   1443:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   1444:     
1.176     bowersj2 1445:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 1446:     $helper->declareVar('symb');
1.156     bowersj2 1447:     $helper->declareVar('postdata');    
1.290     sakharuk 1448:     $helper->declareVar('curseed'); 
                   1449:     $helper->declareVar('probstatus');   
1.156     bowersj2 1450:     $helper->declareVar('filename');
                   1451:     $helper->declareVar('construction');
1.178     sakharuk 1452:     $helper->declareVar('assignment');
1.262     sakharuk 1453:     $helper->declareVar('style_file');
1.131     bowersj2 1454:     
                   1455:     # This will persistently load in the data we want from the
                   1456:     # very first screen.
1.156     bowersj2 1457:     # Detect whether we're coming from construction space
1.208     www      1458:     if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 1459:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 1460:         $helper->{VARS}->{'construction'} = 1;
                   1461:     } else {
                   1462:         if ($ENV{'form.postdata'}) {
                   1463:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
                   1464:         }
                   1465:         if ($ENV{'form.symb'}) {
                   1466:             $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1467:         }
                   1468:         if ($ENV{'form.url'}) {
                   1469:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   1470:         }
1.157     bowersj2 1471:     }
1.156     bowersj2 1472: 
1.146     bowersj2 1473:     if ($ENV{'form.symb'}) {
                   1474:         $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1475:     }
                   1476:     if ($ENV{'form.url'}) {
1.140     sakharuk 1477:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 1478: 
1.140     sakharuk 1479:     }
1.146     bowersj2 1480:     
1.115     bowersj2 1481:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1.178     sakharuk 1482:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140     sakharuk 1483: 
1.156     bowersj2 1484:     
1.146     bowersj2 1485:     # Extract map
                   1486:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 1487:     my ($map, $id, $url);
                   1488:     my $subdir;
                   1489: 
                   1490:     # Get the resource name from construction space
                   1491:     if ($helper->{VARS}->{'construction'}) {
                   1492:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   1493:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   1494:         $subdir = substr($helper->{VARS}->{'filename'},
                   1495:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
                   1496:     } else {
1.233     www      1497:         ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.156     bowersj2 1498:         $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1.146     bowersj2 1499: 
1.156     bowersj2 1500:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 1501:             my $postdata = $helper->{VARS}->{'postdata'};
                   1502:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 1503:         }
                   1504:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 1505:     }
1.230     albertel 1506:     if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
                   1507: 	$helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
                   1508:     }
1.290     sakharuk 1509:     if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) {
                   1510: 	$helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'};
                   1511:     }
1.115     bowersj2 1512: 
1.192     bowersj2 1513:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1.235     bowersj2 1514:     my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
                   1515: 			   $ENV{'request.role'}=~m/^in\./ or
                   1516: 			   $ENV{'request.role'}=~m/^ta\./);
1.192     bowersj2 1517: 
1.131     bowersj2 1518:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 1519: 
1.131     bowersj2 1520:     # "Delete everything after the last slash."
1.119     bowersj2 1521:     $subdir =~ s|/[^/]+$||;
1.162     sakharuk 1522:     if (not $helper->{VARS}->{'construction'}) {
1.302     sakharuk 1523: 	$subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1.153     sakharuk 1524:     }
1.189     bowersj2 1525:     # "Remove all duplicate slashes."
                   1526:     $subdir =~ s|/+|/|g;
1.119     bowersj2 1527: 
1.131     bowersj2 1528:     # What can be printed is a very dynamic decision based on
                   1529:     # lots of factors. So we need to dynamically build this list.
                   1530:     # To prevent security leaks, states are only added to the wizard
                   1531:     # if they can be reached, which ensures manipulating the form input
                   1532:     # won't allow anyone to reach states they shouldn't have permission
                   1533:     # to reach.
                   1534: 
                   1535:     # printChoices is tracking the kind of printing the user can
                   1536:     # do, and will be used in a choices construction later.
                   1537:     # In the meantime we will be adding states and elements to
                   1538:     # the helper by hand.
                   1539:     my $printChoices = [];
                   1540:     my $paramHash;
1.130     sakharuk 1541: 
1.240     albertel 1542:     if ($resourceTitle) {
1.291     sakharuk 1543:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 1544:     }
                   1545: 
1.238     bowersj2 1546:     # Useful filter strings
1.287     albertel 1547:     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1.238     bowersj2 1548:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.287     albertel 1549:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
                   1550:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 1551:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   1552:     my $isMap = '$res->is_map()';
                   1553:     my $symbFilter = '$res->symb()';
                   1554:     my $urlValue = '$res->src()';
                   1555: 
                   1556:     $helper->declareVar('SEQUENCE');
                   1557: 
                   1558:     # Useful for debugging: Dump the help vars
                   1559:     #$r->print(Dumper($helper->{VARS}));
                   1560:     #$r->print($map);
                   1561: 
1.131     bowersj2 1562:     # If we're in a sequence...
1.235     bowersj2 1563:     if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.243     bowersj2 1564: 	$helper->{VARS}->{'postdata'} &&
                   1565: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 1566:         # Allow problems from sequence
1.291     sakharuk 1567:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 1568:         # Allow all resources from sequence
1.291     sakharuk 1569:         push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130     sakharuk 1570: 
1.131     bowersj2 1571:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 1572:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
                   1573:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1574:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1575:               closeallpages="1">
1.144     bowersj2 1576:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1577:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 1578:       <mapurl>$map</mapurl>
1.238     bowersj2 1579:       <valuefunc>return $symbFilter;</valuefunc>
1.131     bowersj2 1580:       </resource>
                   1581:     </state>
                   1582: 
1.155     sakharuk 1583:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
                   1584:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1585:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1586:               closeallpages="1">
1.144     bowersj2 1587:       <nextstate>PAGESIZE</nextstate>
1.145     bowersj2 1588:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 1589:       <mapurl>$map</mapurl>
1.238     bowersj2 1590:       <valuefunc>return $symbFilter;</valuefunc>
1.131     bowersj2 1591:       </resource>
                   1592:     </state>
                   1593: HELPERFRAGMENT
1.121     bowersj2 1594: 
1.131     bowersj2 1595:         &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 
1.121     bowersj2 1596:     }
                   1597: 
                   1598:     # If the user is priviledged, allow them to print all 
                   1599:     # problems in the course, optionally for selected students
1.306     sakharuk 1600:     if ($userPriviledged && 
                   1601:         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.254     sakharuk 1602:         push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1.284     albertel 1603:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 1604:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
                   1605:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1606:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   1607: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 1608:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1609:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 1610:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 1611:       <valuefunc>return $symbFilter;</valuefunc>
1.284     albertel 1612:     </resource>
                   1613:   </state>
                   1614: ALL_PROBLEMS
1.132     bowersj2 1615: 
1.284     albertel 1616: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 1617: 	    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'];
                   1618: 	    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 1619: 	}
                   1620: 	my $resource_selector=<<RESOURCE_SELECTOR;
                   1621:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 1622:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   1623:               closeallpages="1">
1.254     sakharuk 1624:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 1625:       <mapurl>$map</mapurl>
1.254     sakharuk 1626:       <valuefunc>return $symbFilter;</valuefunc>
1.147     bowersj2 1627:       </resource>
1.155     sakharuk 1628:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 1629:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 1630:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1631:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1632:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1633:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 1634:     </choices>
                   1635:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   1636:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   1637: RESOURCE_SELECTOR
                   1638: 
                   1639:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   1640:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
                   1641:       <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
                   1642:     $resource_selector
                   1643:   </state>
1.131     bowersj2 1644: CHOOSE_STUDENTS
1.292     albertel 1645: 
                   1646: 	my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                   1647: 	my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
                   1648:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   1649: 	my $namechoice='<choice></choice>';
                   1650: 	foreach my $name (@names) {
1.294     albertel 1651: 	    if ($name =~ /^error: 2 /) { next; }
1.292     albertel 1652: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   1653: 	}
1.284     albertel 1654:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
                   1655:   <state name="CHOOSE_ANON1" title="Select Students and Resources">
1.288     albertel 1656:     <nextstate>PAGESIZE</nextstate>
1.287     albertel 1657:     <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1.284     albertel 1658:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1.292     albertel 1659:     <message><br /><b>Names to store the CODEs under for later:</b></message>
1.288     albertel 1660:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1.292     albertel 1661:     <message><hr width='33%' /></message>
                   1662:     <message><b>Reprint a set of saved CODEs:</b></message>
                   1663:     <dropdown variable="REUSE_OLD_CODES">
                   1664:         $namechoice
                   1665:     </dropdown>
1.284     albertel 1666:     <message><hr width='33%' /></message>
                   1667:     $resource_selector
                   1668:   </state>
                   1669: CHOOSE_ANON1
1.254     sakharuk 1670: 
1.272     sakharuk 1671: 
1.254     sakharuk 1672: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 1673: 	    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'];
                   1674: 	    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 1675: 	}
1.284     albertel 1676: 	    
                   1677: 
                   1678: 	$resource_selector=<<RESOURCE_SELECTOR;
1.254     sakharuk 1679:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 1680:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   1681:               closeallpages="1">
1.254     sakharuk 1682:       <filterfunc>return $isNotMap;</filterfunc>
                   1683:       <mapurl>$map</mapurl>
                   1684:       <valuefunc>return $symbFilter;</valuefunc>
                   1685:       </resource>
                   1686:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   1687:     <choices variable="EMPTY_PAGES">
                   1688:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1689:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1690:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1691:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 1692:     </choices>
                   1693:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   1694:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   1695: RESOURCE_SELECTOR
                   1696: 
                   1697: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   1698:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
                   1699:     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
                   1700:     $resource_selector
1.254     sakharuk 1701:     </state>
                   1702: CHOOSE_STUDENTS1
                   1703: 
1.284     albertel 1704: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
                   1705:   <state name="CHOOSE_ANON2" title="Select Students and Resources">
1.294     albertel 1706:     <nextstate>PAGESIZE</nextstate>
                   1707:     <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
1.284     albertel 1708:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
1.294     albertel 1709:     <message><br /><b>Names to store the CODEs under for later:</b></message>
                   1710:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   1711:     <message><hr width='33%' /></message>
                   1712:     <message><b>Reprint a set of saved CODEs:</b></message>
                   1713:     <dropdown variable="REUSE_OLD_CODES">
                   1714:         $namechoice
                   1715:     </dropdown>
1.284     albertel 1716:     <message><hr width='33%' /></message>
                   1717:     $resource_selector
                   1718:   </state>
                   1719: CHOOSE_ANON2
1.121     bowersj2 1720:     }
                   1721: 
                   1722:     # FIXME: That RE should come from a library somewhere.
1.302     sakharuk 1723:     if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
1.291     sakharuk 1724:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238     bowersj2 1725: 
1.131     bowersj2 1726:         my $f = '$filename';
1.139     bowersj2 1727:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155     sakharuk 1728:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
                   1729:     <message>(mark them then click "next" button) <br /></message>
1.138     bowersj2 1730:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 1731:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 1732:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 1733: CHOOSE_FROM_SUBDIR
                   1734:         
1.238     bowersj2 1735:         # this is broken up because I really want interpolation above,
                   1736:         # and I really DON'T want it below
1.139     bowersj2 1737:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 1738:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   1739: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 1740:       </filefilter>
1.138     bowersj2 1741:       </files>
1.131     bowersj2 1742:     </state>
                   1743: CHOOSE_FROM_SUBDIR
1.139     bowersj2 1744:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 1745:     }
1.238     bowersj2 1746: 
                   1747:     # Allow the user to select any sequence in the course, feed it to
                   1748:     # another resource selector for that sequence
1.239     bowersj2 1749:     if (!$helper->{VARS}->{'construction'}) {
1.254     sakharuk 1750: 	push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1.249     sakharuk 1751: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 1752: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   1753: 	#Escape apostrophes and backslashes for Perl
                   1754: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   1755: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 1756: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 1757:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   1758:     <message>Select the sequence to print resources from:</message>
                   1759:     <resource variable="SEQUENCE">
                   1760:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   1761:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   1762:       <valuefunc>return $urlValue;</valuefunc>
                   1763:       </resource>
                   1764:     </state>
                   1765:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   1766:     <message>(mark desired resources then click "next" button) <br /></message>
1.287     albertel 1767:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1768:               closeallpages="1">
1.238     bowersj2 1769:       <nextstate>PAGESIZE</nextstate>
                   1770:       <filterfunc>return $isProblem</filterfunc>
1.244     bowersj2 1771:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 1772:       <valuefunc>return $symbFilter;</valuefunc>
                   1773:       </resource>
                   1774:     </state>
                   1775: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 1776: }
1.131     bowersj2 1777: 
                   1778:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 1779:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 1780:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 1781:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 1782:     Apache::lonhelper::message->new();
                   1783:     $paramHash = Apache::lonhelper::getParamHash();
                   1784:     $paramHash->{'variable'} = 'PRINT_TYPE';
1.137     bowersj2 1785:     $helper->declareVar('PRINT_TYPE');
1.131     bowersj2 1786:     $paramHash->{CHOICES} = $printChoices;
                   1787:     Apache::lonhelper::choices->new();
1.161     bowersj2 1788: 
1.223     bowersj2 1789:     my $startedTable = 0; # have we started an HTML table yet? (need
                   1790:                           # to close it later)
                   1791: 
1.170     sakharuk 1792:     if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or 
                   1793: 	($helper->{VARS}->{'construction'} eq '1')) {
1.242     sakharuk 1794: 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161     bowersj2 1795:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 1796: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   1797: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 1798:         $paramHash->{CHOICES} = [
1.242     sakharuk 1799:                                    ['Without Answers', 'yes'],
                   1800:                                    ['With Answers', 'no'],
1.289     sakharuk 1801:                                    ['Only Answers', 'only'],
                   1802:                                    ['As Exam Problem', 'exam']
                   1803:                                 ];
1.210     sakharuk 1804:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 1805: 	addMessage("</td></tr>");
                   1806: 	$startedTable = 1;
1.161     bowersj2 1807:     }
1.209     sakharuk 1808: 
1.203     sakharuk 1809:     if ($ENV{'request.role.adv'}) {
1.223     bowersj2 1810: 	if (!$startedTable) {
                   1811: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
                   1812: 	    $startedTable = 1;
                   1813: 	} else {
                   1814: 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
                   1815: 	}
1.203     sakharuk 1816:         $paramHash = Apache::lonhelper::getParamHash();
                   1817: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   1818: 	$helper->declareVar('LATEX_TYPE');  
                   1819: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   1820: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1821: 				     ['standard LaTeX mode', 'standard'], 
                   1822: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 1823: 	} else {
                   1824: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1825: 				     ['LaTeX batchmode', 'batchmode'],
                   1826: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 1827: 	}
1.210     sakharuk 1828:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 1829:  
1.223     bowersj2 1830: 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209     sakharuk 1831:         $paramHash = Apache::lonhelper::getParamHash();
                   1832: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   1833: 	$helper->declareVar('TABLE_CONTENTS');         
                   1834:         $paramHash->{CHOICES} = [
1.223     bowersj2 1835:                                    ['No', 'no'],
                   1836:                                    ['Yes', 'yes'] ];
1.210     sakharuk 1837:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 1838: 	addMessage("</td></tr>");
1.214     sakharuk 1839:         
1.220     sakharuk 1840: 	if (not $helper->{VARS}->{'construction'}) {
1.223     bowersj2 1841: 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220     sakharuk 1842: 	    $paramHash = Apache::lonhelper::getParamHash();
                   1843: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   1844: 	    $helper->declareVar('TABLE_INDEX');         
                   1845: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1846: 				     ['No', 'no'],
                   1847: 				     ['Yes', 'yes'] ];
1.220     sakharuk 1848: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 1849: 	    addMessage("</td></tr>");
1.220     sakharuk 1850: 	}
1.219     sakharuk 1851: 
1.230     albertel 1852: 	if ($helper->{'VARS'}->{'construction'}) { 
1.265     sakharuk 1853: 	    my $stylevalue=$ENV{'construct.style'};
                   1854: 	    my $xmlfrag .= <<"RNDSEED";
1.290     sakharuk 1855: 	    <message><tr><td align='right'>Use random seed:  </td><td></message>
1.230     albertel 1856: 	    <string variable="curseed" size="15" maxlength="15">
                   1857: 		<defaultvalue>
                   1858: 	            return $helper->{VARS}->{'curseed'};
                   1859: 	        </defaultvalue>
1.262     sakharuk 1860: 	    </string>
1.264     sakharuk 1861: 	     <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1.265     sakharuk 1862:              <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1.230     albertel 1863:              <message></td></tr></message>
                   1864: RNDSEED
                   1865:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.264     sakharuk 1866: 	    $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1.219     sakharuk 1867: 	}
1.223     bowersj2 1868:     }
1.264     sakharuk 1869: 
                   1870: 
                   1871: 
1.218     sakharuk 1872: 
1.223     bowersj2 1873:     if ($startedTable) {
                   1874: 	addMessage("</table>");
1.215     sakharuk 1875:     }
1.161     bowersj2 1876: 
1.131     bowersj2 1877:     Apache::lonprintout::page_format_state->new("FORMAT");
                   1878: 
1.144     bowersj2 1879:     # Generate the PAGESIZE state which will offer the user the margin
                   1880:     # choices if they select one column
                   1881:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   1882:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   1883: 
                   1884: 
1.131     bowersj2 1885:     $helper->process();
                   1886: 
                   1887:     # MANUAL BAILOUT CONDITION:
                   1888:     # If we're in the "final" state, bailout and return to handler
                   1889:     if ($helper->{STATE} eq 'FINAL') {
                   1890:         return $helper;
                   1891:     }    
1.130     sakharuk 1892: 
1.131     bowersj2 1893:     $r->print($helper->display());
1.130     sakharuk 1894: 
1.131     bowersj2 1895:     Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 1896: 
                   1897:     untie %hash;
                   1898: 
                   1899:     return OK;
                   1900: }
                   1901: 
1.1       www      1902: 
                   1903: 1;
1.119     bowersj2 1904: 
                   1905: package Apache::lonprintout::page_format_state;
                   1906: 
                   1907: =pod
                   1908: 
1.131     bowersj2 1909: =head1 Helper element: page_format_state
                   1910: 
                   1911: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 1912: 
1.131     bowersj2 1913: Apache::lonprintout::page_format_state is an element that gives the 
                   1914: user an opportunity to select the page layout they wish to print 
                   1915: with: Number of columns, portrait/landscape, and paper size. If you 
                   1916: want to change the paper size choices, change the @paperSize array 
                   1917: contents in this package.
1.119     bowersj2 1918: 
1.131     bowersj2 1919: page_format_state is always directly invoked in lonprintout.pm, so there
                   1920: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 1921: 
                   1922: =over 4
                   1923: 
1.131     bowersj2 1924: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 1925: 
                   1926: =back
                   1927: 
                   1928: =cut
                   1929: 
1.131     bowersj2 1930: use Apache::lonhelper;
1.119     bowersj2 1931: 
                   1932: no strict;
1.131     bowersj2 1933: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 1934: use strict;
1.266     sakharuk 1935: use Apache::lonlocal;
1.119     bowersj2 1936: 
                   1937: my $maxColumns = 2;
                   1938: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 
                   1939:                  "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1940:                  "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]", 
                   1941:                  "A5 [148x210 mm]", "A6 [105x148 mm]" );
                   1942: 
                   1943: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   1944: #                   Paper type
                   1945: 
                   1946: sub new { 
1.131     bowersj2 1947:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 1948: 
1.135     bowersj2 1949:     shift;
                   1950: 
1.131     bowersj2 1951:     $self->{'variable'} = shift;
1.134     bowersj2 1952:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 1953:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 1954:     bless($self);
1.119     bowersj2 1955:     return $self;
                   1956: }
                   1957: 
                   1958: sub render {
                   1959:     my $self = shift;
1.131     bowersj2 1960:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 1961:     my $result = '';
1.131     bowersj2 1962:     my $var = $self->{'variable'};
1.266     sakharuk 1963:     my $PageLayout=&mt('Page layout');
                   1964:     my $NumberOfColumns=&mt('Number of columns');
                   1965:     my $PaperType=&mt('Paper type');
1.119     bowersj2 1966:     $result .= <<STATEHTML;
                   1967: 
1.223     bowersj2 1968: <hr width="33%" />
1.119     bowersj2 1969: <table cellpadding="3">
                   1970:   <tr>
1.266     sakharuk 1971:     <td align="center"><b>$PageLayout</b></td>
                   1972:     <td align="center"><b>$NumberOfColumns</b></td>
                   1973:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 1974:   </tr>
                   1975:   <tr>
                   1976:     <td>
1.155     sakharuk 1977:       <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
                   1978:       <input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait
1.119     bowersj2 1979:     </td>
1.155     sakharuk 1980:     <td align="center">
1.119     bowersj2 1981:       <select name="${var}.cols">
                   1982: STATEHTML
                   1983: 
                   1984:     my $i;
                   1985:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 1986:         if ($i == 2) {
1.119     bowersj2 1987:             $result .= "<option value='$i' selected>$i</option>\n";
                   1988:         } else {
                   1989:             $result .= "<option value='$i'>$i</option>\n";
                   1990:         }
                   1991:     }
                   1992: 
                   1993:     $result .= "</select></td><td>\n";
                   1994:     $result .= "<select name='${var}.paper'>\n";
                   1995: 
1.304     sakharuk 1996:     my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
                   1997:     my $DefaultPaperSize=$parmhash{'default_paper_size'};
                   1998:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 1999:     $i = 0;
                   2000:     foreach (@paperSize) {
1.304     sakharuk 2001:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.131     bowersj2 2002:             $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2003:         } else {
1.131     bowersj2 2004:             $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2005:         }
                   2006:         $i++;
                   2007:     }
                   2008: 
                   2009:     $result .= "</select></td></tr></table>";
                   2010:     return $result;
1.135     bowersj2 2011: }
                   2012: 
                   2013: sub postprocess {
                   2014:     my $self = shift;
                   2015: 
                   2016:     my $var = $self->{'variable'};
1.136     bowersj2 2017:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 2018:     $helper->{VARS}->{$var} = 
1.136     bowersj2 2019:         $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
                   2020:         $ENV{"form.$var.paper"};
1.135     bowersj2 2021:     return 1;
1.119     bowersj2 2022: }
                   2023: 
                   2024: 1;
1.144     bowersj2 2025: 
                   2026: package Apache::lonprintout::page_size_state;
                   2027: 
                   2028: =pod
                   2029: 
                   2030: =head1 Helper element: page_size_state
                   2031: 
                   2032: See lonhelper.pm documentation for discussion of the helper framework.
                   2033: 
                   2034: Apache::lonprintout::page_size_state is an element that gives the 
                   2035: user the opportunity to further refine the page settings if they
                   2036: select a single-column page.
                   2037: 
                   2038: page_size_state is always directly invoked in lonprintout.pm, so there
                   2039: is no tag interface. You actually pass parameters to the constructor.
                   2040: 
                   2041: =over 4
                   2042: 
                   2043: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   2044: 
                   2045: =back
                   2046: 
                   2047: =cut
                   2048: 
                   2049: use Apache::lonhelper;
                   2050: 
                   2051: no strict;
                   2052: @ISA = ("Apache::lonhelper::element");
                   2053: use strict;
                   2054: 
                   2055: 
                   2056: 
                   2057: sub new { 
                   2058:     my $self = Apache::lonhelper::element->new();
                   2059: 
                   2060:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   2061:            # package descriptor)... - Jeremy
                   2062: 
                   2063:     $self->{'variable'} = shift;
                   2064:     my $helper = Apache::lonhelper::getHelper();
                   2065:     $helper->declareVar($self->{'variable'});
                   2066: 
                   2067:     # The variable name of the format element, so we can look into 
                   2068:     # $helper->{VARS} to figure out whether the columns are one or two
                   2069:     $self->{'formatvar'} = shift;
                   2070: 
                   2071:     # The state to transition to after selection, or after discovering
                   2072:     # the cols are not set to 1
                   2073:     $self->{NEXTSTATE} = shift;
                   2074:     bless($self);
                   2075:     return $self;
                   2076: }
                   2077: 
                   2078: sub render {
                   2079:     my $self = shift;
                   2080:     my $helper = Apache::lonhelper::getHelper();
                   2081:     my $result = '';
                   2082:     my $var = $self->{'variable'};
                   2083: 
                   2084:     if (defined $self->{ERROR_MSG}) {
                   2085:         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
                   2086:     }
                   2087: 
                   2088:     $result .= <<ELEMENTHTML;
                   2089: 
                   2090: <p>How should the column be formatted?</p>
                   2091: 
                   2092: <table cellpadding='3'>
                   2093:   <tr>
                   2094:     <td align='right'><b>Width</b>:</td>
                   2095:     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
                   2096:     <td align='left'>
                   2097:       <select name='$var.widthunit'>
                   2098:         <option>cm</option><option>in</option>
                   2099:       </select>
                   2100:     </td>
                   2101:   </tr>
                   2102:   <tr>
                   2103:     <td align='right'><b>Height</b>:</td>
                   2104:     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
                   2105:     <td align='left'>
                   2106:       <select name='$var.heightunit'>
                   2107:         <option>cm</option><option>in</option>
                   2108:       </select>
                   2109:     </td>
                   2110:   </tr>
                   2111:   <tr>
                   2112:     <td align='right'><b>Left margin</b>:</td>
                   2113:     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
                   2114:     <td align='left'>
1.186     bowersj2 2115:       <select name='$var.lmarginunit'>
1.144     bowersj2 2116:         <option>cm</option><option>in</option>
                   2117:       </select>
                   2118:     </td>
                   2119:   </tr>
                   2120: </table>
                   2121: 
                   2122: <p>Hint: Some instructors like to leave scratch space for the student by
1.280     albertel 2123: making the width much smaller than the width of the page.</p>
1.144     bowersj2 2124: 
                   2125: ELEMENTHTML
                   2126: 
                   2127:     return $result;
                   2128: }
                   2129: 
                   2130: # If the user didn't select 1 column, skip this state.
                   2131: sub preprocess {
                   2132:     my $self = shift;
                   2133:     my $helper = Apache::lonhelper::getHelper();
                   2134: 
                   2135:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   2136:     if (substr($format, 2, 1) ne '1') {
                   2137:         $helper->changeState($self->{NEXTSTATE});
                   2138:     }
                   2139:    
                   2140:     return 1;
                   2141: }
                   2142: 
                   2143: sub postprocess {
                   2144:     my $self = shift;
                   2145: 
                   2146:     my $var = $self->{'variable'};
                   2147:     my $helper = Apache::lonhelper->getHelper();
                   2148:     my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"}; 
                   2149:     my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"}; 
                   2150:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"}; 
                   2151:     $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"}; 
                   2152:     $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"}; 
                   2153:     $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"}; 
                   2154: 
                   2155:     my $error = '';
                   2156: 
                   2157:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   2158:     # by an optional period, followed by digits, ending the string
                   2159: 
                   2160:     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2161:         $error .= "Invalid width; please type only a number.<br />\n";
                   2162:     }
                   2163:     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2164:         $error .= "Invalid height; please type only a number.<br />\n";
                   2165:     }
                   2166:     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2167:         $error .= "Invalid left margin; please type only a number.<br />\n";
                   2168:     }
                   2169: 
                   2170:     if (!$error) {
                   2171:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   2172:         return 1;
                   2173:     } else {
                   2174:         $self->{ERROR_MSG} = $error;
                   2175:         return 0;
                   2176:     }
                   2177: }
                   2178: 
                   2179: 
1.119     bowersj2 2180: 
1.1       www      2181: __END__
1.6       sakharuk 2182: 

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