Annotation of loncom/interface/lonprintout.pm, revision 1.266

1.1       www         1: # The LearningOnline Network
                      2: # Printout
                      3: #
1.266   ! sakharuk    4: # $Id: lonprintout.pm,v 1.265 2003/11/11 19:32:22 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;
                     89:     $result =~ s/&\#0?58;/:/g;
                     90:     $result =~ s/&\#0?59;/;/g;
                     91:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
                     92:     $result =~ s/&\#0?61;/\$=\$/g;
                     93:     $result =~ s/&(\#0?62|gt|\#155);/\$>\$/g;
                     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;
                    122:     $result =~ s/&\#0?92;/\$\\setminus\$/g;
                    123:     $result =~ s/&\#0?93;/]/g;
                    124:     $result =~ s/&\#(0?94|136);/\$\\wedge\$/g;
                    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;
                    159:     $result =~ s/&\#133;/\$\\ldots\$/g;
                    160:     $result =~ s/&\#134;/\$\\dagger\$/g;
                    161:     $result =~ s/&\#135;/\$\\ddagger\$/g;
                    162:     $result =~ s/&\#137;/\\textperthousand /g;
                    163:     $result =~ s/&\#140;/{\\OE}/g;
                    164:     $result =~ s/&\#147;/\`\`/g;
                    165:     $result =~ s/&\#148;/\'\'/g;
                    166:     $result =~ s/&\#149;/\$\\bullet\$/g;
                    167:     $result =~ s/&\#150;/--/g;
                    168:     $result =~ s/&\#151;/---/g;
                    169:     $result =~ s/&\#152;/\$\\sim\$/g;
                    170:     $result =~ s/&\#153;/\\texttrademark /g;
                    171:     $result =~ s/&\#156;/\\oe/g;
                    172:     $result =~ s/&\#159;/\\\"Y/g;
1.131     bowersj2  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;
                    184:     $result =~ s/&(\#172|not);/\$\\neg\$/g;
                    185:     $result =~ s/&(\#173|shy);/ - /g;
                    186:     $result =~ s/&(\#174|reg);/\\textregistered /g;
                    187:     $result =~ s/&(\#175|macr);/\$^{-}\$/g;
                    188:     $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g;
                    189:     $result =~ s/&(\#177|plusmn);/\$\\pm\$/g;
                    190:     $result =~ s/&(\#178|sup2);/\$^2\$/g;
                    191:     $result =~ s/&(\#179|sup3);/\$^3\$/g;
                    192:     $result =~ s/&(\#180|acute);/\\textacute /g;
                    193:     $result =~ s/&(\#181|micro);/\$\\mu\$/g;
                    194:     $result =~ s/&(\#182|para);/\\P/g;
                    195:     $result =~ s/&(\#183|middot);/\$\\cdot\$/g;
                    196:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
                    197:     $result =~ s/&(\#185|sup1);/\$^1\$/g;
                    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;    
                    225:     $result =~ s/&(\#215|times);/\$\\times\$/g;
                    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;
                    249:     $result =~ s/&(\#240|eth);/\$\\partial\$/g;
                    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;
                    256:     $result =~ s/&(\#247|divide);/\$\\div\$/g;
                    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;
                    264:     $result =~ s/&\#952;/\$\\theta\$/g;
1.117     sakharuk  265: #Greek Alphabet
                    266:     $result =~ s/&(alpha|\#945);/\$\\alpha \$/g;
                    267:     $result =~ s/&(beta|\#946);/\$\\beta \$/g;
                    268:     $result =~ s/&(gamma|\#947);/\$\\gamma \$/g;
                    269:     $result =~ s/&(delta|\#948);/\$\\delta \$/g;
                    270:     $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g;
                    271:     $result =~ s/&(zeta|\#950);/\$\\zeta \$/g;
                    272:     $result =~ s/&(eta|\#951);/\$\\eta \$/g;
                    273:     $result =~ s/&(theta|\#952);/\$\\theta \$/g;
                    274:     $result =~ s/&(iota|\#953);/\$\\iota \$/g;
                    275:     $result =~ s/&(kappa|\#954);/\$\\kappa \$/g;
                    276:     $result =~ s/&(lambda|\#955);/\$\\lambda \$/g;
                    277:     $result =~ s/&(mu|\#956);/\$\\mu \$/g;
                    278:     $result =~ s/&(nu|\#957);/\$\\nu \$/g;
                    279:     $result =~ s/&(xi|\#958);/\$\\xi \$/g;
1.199     sakharuk  280:     $result =~ s/&(omicron|\#959);/o/g;
1.117     sakharuk  281:     $result =~ s/&(pi|\#960);/\$\\pi \$/g;
                    282:     $result =~ s/&(rho|\#961);/\$\\rho \$/g;
                    283:     $result =~ s/&(sigma|\#963);/\$\\sigma \$/g;
                    284:     $result =~ s/&(tau|\#964);/\$\\tau \$/g;
                    285:     $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g;
                    286:     $result =~ s/&(phi|\#966);/\$\\phi \$/g;
                    287:     $result =~ s/&(chi|\#967);/\$\\chi \$/g;
                    288:     $result =~ s/&(psi|\#968);/\$\\psi \$/g;
                    289:     $result =~ s/&(omega|\#969);/\$\\omega \$/g;
1.199     sakharuk  290:     $result =~ s/&(thetasym|\#977);/\$\\vartheta \$/g;
                    291:     $result =~ s/&(piv|\#982);/\$\\varpi \$/g;
                    292:     $result =~ s/&(Alpha|\#913);/A/g;
                    293:     $result =~ s/&(Beta|\#914);/B/g;
1.117     sakharuk  294:     $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g;
                    295:     $result =~ s/&(Delta|\#916);/\$\\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;
1.117     sakharuk  299:     $result =~ s/&(Theta|\#920);/\$\\Theta \$/g;
1.199     sakharuk  300:     $result =~ s/&(Iota|\#921);/I/g;
                    301:     $result =~ s/&(Kappa|\#922);/K/g;
1.117     sakharuk  302:     $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g;
1.199     sakharuk  303:     $result =~ s/&(Mu|\#924);/M/g;
                    304:     $result =~ s/&(Nu|\#925);/N/g;
1.117     sakharuk  305:     $result =~ s/&(Xi|\#926);/\$\\Xi \$/g;
1.199     sakharuk  306:     $result =~ s/&(Omicron|\#927);/O/g;
1.117     sakharuk  307:     $result =~ s/&(Pi|\#928);/\$\\Pi \$/g;
1.199     sakharuk  308:     $result =~ s/&(Rho|\#929);/P/g;
1.117     sakharuk  309:     $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g;
1.199     sakharuk  310:     $result =~ s/&(Tau|\#932);/T/g;
1.117     sakharuk  311:     $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g;
                    312:     $result =~ s/&(Phi|\#934);/\$\\Phi \$/g;
1.199     sakharuk  313:     $result =~ s/&(Chi|\#935);/X/g;
1.117     sakharuk  314:     $result =~ s/&(Psi|\#936);/\$\\Psi \$/g;
                    315:     $result =~ s/&(Omega|\#937);/\$\\Omega \$/g;
1.199     sakharuk  316: #Arrows (extended HTML 4.01)
                    317:     $result =~ s/&(larr|\#8592);/\$\\leftarrow \$/g;
                    318:     $result =~ s/&(uarr|\#8593);/\$\\uparrow \$/g;
                    319:     $result =~ s/&(rarr|\#8594);/\$\\rightarrow \$/g;
                    320:     $result =~ s/&(darr|\#8595);/\$\\downarrow \$/g;
                    321:     $result =~ s/&(harr|\#8596);/\$\\leftrightarrow \$/g;
                    322:     $result =~ s/&(lArr|\#8656);/\$\\Leftarrow \$/g;
                    323:     $result =~ s/&(uArr|\#8657);/\$\\Uparrow \$/g;
                    324:     $result =~ s/&(rArr|\#8658);/\$\\Rightarrow \$/g;
                    325:     $result =~ s/&(dArr|\#8659);/\$\\Downarrow \$/g;
                    326:     $result =~ s/&(hArr|\#8660);/\$\\Leftrightarrow \$/g;
                    327: #Mathematical Operators (extended HTML 4.01)
                    328:     $result =~ s/&(forall|\#8704);/\$\\forall \$/g;
                    329:     $result =~ s/&(part|\#8706);/\$\\partial \$/g;
                    330:     $result =~ s/&(exist|\#8707);/\$\\exists \$/g;
                    331:     $result =~ s/&(empty|\#8709);/\$\\emptyset \$/g;
                    332:     $result =~ s/&(nabla|\#8711);/\$\\nabla \$/g;
                    333:     $result =~ s/&(isin|\#8712);/\$\\in \$/g;
                    334:     $result =~ s/&(notin|\#8713);/\$\\notin \$/g;
                    335:     $result =~ s/&(ni|\#8715);/\$\\ni \$/g;
                    336:     $result =~ s/&(prod|\#8719);/\$\\prod \$/g;
                    337:     $result =~ s/&(sum|\#8721);/\$\\sum \$/g;
                    338:     $result =~ s/&(minus|\#8722);/\$-\$/g;
                    339:     $result =~ s/&(lowast|\#8727);/\$*\$/g;
                    340:     $result =~ s/&(radic|\#8730);/\$\\surd \$/g;
                    341:     $result =~ s/&(prop|\#8733);/\$\\propto \$/g;
                    342:     $result =~ s/&(infin|\#8734);/\$\\infty \$/g;
                    343:     $result =~ s/&(ang|\#8736);/\$\\angle \$/g;
                    344:     $result =~ s/&(and|\#8743);/\$\\wedge \$/g;
                    345:     $result =~ s/&(or|\#8744);/\$\\vee \$/g;
                    346:     $result =~ s/&(cap|\#8745);/\$\\cap \$/g;
                    347:     $result =~ s/&(cup|\#8746);/\$\\cup \$/g;
                    348:     $result =~ s/&(int|\#8747);/\$\\int \$/g;
                    349:     $result =~ s/&(sim|\#8764);/\$\\sim \$/g;
                    350:     $result =~ s/&(cong|\#8773);/\$\\cong \$/g;
                    351:     $result =~ s/&(asymp|\#8776);/\$\\approx \$/g;
                    352:     $result =~ s/&(ne|\#8800);/\$\\not= \$/g;
                    353:     $result =~ s/&(equiv|\#8801);/\$\\equiv \$/g;
                    354:     $result =~ s/&(le|\#8804);/\$\\leq \$/g;
                    355:     $result =~ s/&(ge|\#8805);/\$\\geq \$/g;
                    356:     $result =~ s/&(sub|\#8834);/\$\\subset \$/g;
                    357:     $result =~ s/&(sup|\#8835);/\$\\supset \$/g;
                    358:     $result =~ s/&(nsub|\#8836);/\$\\not\\subset \$/g;
                    359:     $result =~ s/&(sube|\#8838);/\$\\subseteq \$/g;
                    360:     $result =~ s/&(supe|\#8839);/\$\\supseteq \$/g;
                    361:     $result =~ s/&(oplus|\#8853);/\$\\oplus \$/g;
                    362:     $result =~ s/&(otimes|\#8855);/\$\\otimes \$/g;
                    363:     $result =~ s/&(perp|\#8869);/\$\\perp \$/g;
                    364:     $result =~ s/&(sdot|\#8901);/\$\\cdot \$/g;
                    365: #Geometric Shapes (extended HTML 4.01)
                    366:     $result =~ s/&(loz|\#9674);/\$\\Diamond \$/g;
                    367: #Miscellaneous Symbols (extended HTML 4.01)
                    368:     $result =~ s/&(spades|\#9824);/\$\\spadesuit \$/g;
                    369:     $result =~ s/&(clubs|\#9827);/\$\\clubsuit \$/g;
                    370:     $result =~ s/&(hearts|\#9829);/\$\\heartsuit \$/g;
                    371:     $result =~ s/&(diams|\#9830);/\$\\diamondsuit \$/g;
1.37      sakharuk  372:     return $result;
                    373: }
1.41      sakharuk  374: 
                    375: 
1.177     sakharuk  376: sub page_format {
1.140     sakharuk  377: #
                    378: #Correspondence between $papersize variable and real paper format:
                    379: # 0 - "Letter [8 1/2x11 in]"
                    380: # 1 - "Legal [8 1/2x14 in]"
                    381: # 2 - "Ledger/Tabloid [11x17 in]"
                    382: # 3 - "Executive [7 1/2x10 in]"
                    383: # 4 - "A2 [420x594 mm]"
                    384: # 5 - "A3 [297x420 mm]"
                    385: # 6 - "A4 [210x297 mm]"
                    386: # 7 - "A5 [148x210 mm]"
                    387: # 8 - "A6 [105x148 mm]"
                    388: # 
                    389:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.202     sakharuk  390:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = (0,0,0,0,0);
1.140     sakharuk  391:     if ($papersize eq '0') {
                    392: 	if ($layout eq 'book') {
                    393: 	    if ($numberofcolumns == 1) {
1.190     sakharuk  394: 		$textwidth = '7.1 in';      #'18 cm';
                    395: 		$textheight = '10.2 in';    #'25.9 cm';
1.140     sakharuk  396: 		$oddoffset = '-0.57 in';
                    397: 		$evenoffset = '-0.57 in';
                    398: 	    } elsif ($numberofcolumns == 2) {
1.190     sakharuk  399: 		$textwidth = '3.66 in';     #'93 mm';
                    400: 		$textheight = '10.2 in';    #'25.9 cm';
1.140     sakharuk  401: 		$oddoffset = '-0.57 in';
                    402: 		$evenoffset = '-0.57 in';
                    403: 	    }
                    404: 	} elsif ($layout eq 'album') {
                    405: 	    if ($numberofcolumns eq '1') {
                    406: 		$textwidth = '8.8 in';
                    407: 		$textheight = '6.8 in';
                    408: 		$oddoffset = '-40 pt';
                    409: 		$evenoffset = '-60 pt';
                    410: 	    } elsif ($numberofcolumns == 2) {
1.202     sakharuk  411: 		$textwidth = '4.4 in';
1.140     sakharuk  412: 		$textheight = '6.8 in';
1.202     sakharuk  413: 		$oddoffset = '-0.5 in';
                    414: 		$evenoffset = '-1.5 in';
                    415: 		$topmargin = '3.5 in';
1.140     sakharuk  416: 	    }
                    417: 	}
                    418: #    } elsif($papersize eq '1') {
                    419: #    } elsif($papersize eq '2') {
                    420: #    } elsif($papersize eq '3'/) {
                    421:     } elsif($papersize eq '6') {
                    422: 	if ($layout eq 'book') {
                    423: 	    if ($numberofcolumns == 1) {
                    424: 		$textwidth = '18 cm';
                    425: 		$textheight = '28 cm';
                    426: 		$oddoffset = '-0.57 in';
                    427: 		$evenoffset = '-0.57 in';
                    428: 	    } elsif ($numberofcolumns == 2) {
                    429: 		$textwidth = '96 mm';
                    430: 		$textheight = '2 cm';
                    431: 		$oddoffset = '-0.57 in';
                    432: 		$evenoffset = '-0.57 in';
                    433: 	    }
                    434: 	} elsif ($layout eq 'album') {
                    435: 	    if ($numberofcolumns eq '1') {
                    436: 		$textwidth = '8.5 in';
                    437: 		$textheight = '7.7 in';
                    438: 		$oddoffset = '-40 pt';
                    439: 		$evenoffset = '-60 pt';
                    440: 	    } elsif ($numberofcolumns == 2) {
                    441: 		$textwidth = '3.9 in';
                    442: 		$textheight = '7.7 in';
                    443: 		$oddoffset = '-40 pt';
                    444: 		$evenoffset = '-60 pt';
                    445: 	    }
                    446: 	}
                    447: #    } elsif($papersize eq '5') {
                    448: #    } elsif($papersize eq '4') {
                    449: #    } elsif($papersize eq '7') {
                    450: #    } elsif($papersize eq '8') {
1.76      sakharuk  451:     }
1.202     sakharuk  452:     return $textwidth,$textheight,$oddoffset,$evenoffset,$topmargin;
1.140     sakharuk  453: }
1.76      sakharuk  454: 
                    455: 
1.126     albertel  456: sub get_name {
                    457:     my ($uname,$udom)=@_;
                    458:     if (!defined($uname)) { $uname=$ENV{'user.name'}; }
1.212     albertel  459:     if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
1.126     albertel  460:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel  461:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
                    462:     $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
                    463:     return $plainname;
1.126     albertel  464: }
                    465: 
1.213     albertel  466: sub get_course {
                    467:     my $courseidinfo;
                    468:     if (defined($ENV{'request.course.id'})) {
                    469: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
                    470:     }
                    471:     return $courseidinfo;
                    472: }
1.177     sakharuk  473: 
1.76      sakharuk  474: sub page_format_transformation {
1.214     sakharuk  475:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist) = @_; 
1.202     sakharuk  476:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.222     sakharuk  477:     $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
1.261     sakharuk  478:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.126     albertel  479:     my $name = &get_name();
1.213     albertel  480:     my $courseidinfo = &get_course();
                    481:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.140     sakharuk  482:     if ($layout eq 'album') {
1.202     sakharuk  483: 	my $topmargintoinsert = '';
                    484: 	if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.213     albertel  485: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}} \\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1} /;
1.140     sakharuk  486:     } elsif ($layout eq 'book') {
                    487: 	if ($choice ne 'All class print') { 
1.213     albertel  488: 	    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/;
1.140     sakharuk  489: 	} else {
1.190     sakharuk  490: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
1.140     sakharuk  491: 	}
                    492:     }
1.214     sakharuk  493:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                    494:     if ($indexlist eq 'yes') {
                    495: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                    496: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                    497:     }
1.140     sakharuk  498:     return $text;
                    499: }
                    500: 
                    501: 
1.33      sakharuk  502: sub page_cleanup {
                    503:     my $result = shift;	
1.65      sakharuk  504:  
                    505:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk  506:     my $number_of_columns = $1;
1.33      sakharuk  507:     my $insert = '{';
1.34      sakharuk  508:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk  509:     $insert .= '}';
1.65      sakharuk  510:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk  511:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                    512:     return $result,$number_of_columns;
1.7       sakharuk  513: }
1.5       sakharuk  514: 
1.3       sakharuk  515: 
1.60      sakharuk  516: sub details_for_menu {
                    517: 
                    518:     my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
                    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);
1.102     sakharuk  522:     my $name_of_sequence;
1.123     albertel  523:     $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}};
1.63      albertel  524:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel  525: 	$map =~ m|([^/]+)$|;
                    526: 	$name_of_sequence = $1;
1.63      albertel  527:     }
1.123     albertel  528:     my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}};
1.63      albertel  529:     if ($name_of_map =~ /^\s*$/) {
1.123     albertel  530: 	$ENV{'request.course.uri'} =~ m|([^/]+)$|;
                    531: 	$name_of_map = $1;
                    532:     }
1.63      albertel  533:     return ($name_of_resourse,$name_of_sequence,$name_of_map);
1.60      sakharuk  534: 
1.76      sakharuk  535: }
                    536: 
                    537: 
                    538: sub latex_corrections {
                    539: 
                    540:     my ($number_of_columns,$result) = @_;
                    541: 
1.185     sakharuk  542: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76      sakharuk  543:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk  544:     $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/;
                    545:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                    546:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk  547: #-- LaTeX corrections     
                    548:     my $first_comment = index($result,'<!--',0);
                    549:     while ($first_comment != -1) {
                    550: 	my $end_comment = index($result,'-->',$first_comment);
                    551: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                    552: 	$first_comment = index($result,'<!--',$first_comment);
                    553:     }
                    554:     $result =~ s/^\s+$//gm; #remove empty lines
1.94      sakharuk  555:     $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
1.76      sakharuk  556:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                    557:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                    558:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
                    559: 	$result =~ s/\\\\\s+\[/ \[/g;
                    560:     $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
                    561:     #conversion of html characters to LaTeX equivalents
                    562:     if ($result =~ m/&(\w+|#\d+);/) {
                    563: 	$result = &character_chart($result);
                    564:     }
                    565:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                    566:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                    567: 
                    568:     return $result;
1.60      sakharuk  569: }
                    570: 
1.3       sakharuk  571: 
1.214     sakharuk  572: sub index_table {
                    573:     my $currentURL = shift;
                    574:     my $insex_string='';
                    575:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                    576:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                    577:     return $insex_string;
                    578: }
                    579: 
                    580: 
1.215     sakharuk  581: sub IndexCreation {
                    582:     my ($texversion,$currentURL)=@_;
                    583:     my @key_words=split(/,/,&index_table($currentURL));
                    584:     my $chunk='';
                    585:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                    586:     if ($st>0) {
                    587: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                    588: 	$chunk=substr($texversion,0,$st+1);
                    589: 	substr($texversion,0,$st+1)=' ';
                    590:     }
                    591:     foreach my $key_word (@key_words) {
                    592: 	if ($key_word=~/\S+/) {
                    593: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                    594: 	}
                    595:     }			
                    596:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                    597:     return $texversion;
                    598: }
                    599: 
1.242     sakharuk  600: sub print_latex_header {
                    601:     my $mode=shift;
                    602:     my $output='\documentclass[letterpaper]{article}';
                    603:     if ($mode eq 'batchmode') {
                    604: 	$output.='\batchmode';
                    605:     }
                    606:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'.
                    607: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
                    608: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
                    609: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
                    610: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
                    611: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
                    612: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
                    613: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'.
                    614: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
                    615: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
                    616: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
                    617: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
                    618: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
                    619: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
                    620: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'.
                    621: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
                    622:     return $output;	     
                    623: }
                    624: 
                    625: sub path_to_problem {
                    626:     my ($urlp,$LaTeXwidth)=@_;
                    627:     my $newurlp = '';
                    628:     $LaTeXwidth=~s/\s*mm\s*$//;
                    629:     my $HowMany = length($urlp)*2;
                    630:     if ($HowMany > $LaTeXwidth) {
                    631: 	my @temporrary = split '/',$urlp;
                    632: 	my $HowManyNew = 0;
                    633: 	for (my $ii=0;$ii<=$#temporrary;$ii++) {
                    634: 	    if ($temporrary[$ii] ne '') {
                    635: 		$HowManyNew += length($temporrary[$ii])*2;
                    636: 		if ($HowManyNew < $LaTeXwidth ) {
                    637: 		    $newurlp .=  '/'.$temporrary[$ii];
                    638: 		} else {
                    639: 		    $HowManyNew = 0;
                    640: 		    $newurlp .=  '|\vskip -1 mm \noindent \verb|';
                    641: 		    $ii--;
                    642: 		}
                    643: 	    }
                    644: 	}
1.253     sakharuk  645:     } else {
                    646: 	$newurlp=$urlp;
1.242     sakharuk  647:     }
                    648:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                    649: }
1.215     sakharuk  650: 
1.177     sakharuk  651: sub output_data {
1.184     sakharuk  652:     my ($r,$helper,$rparmhash) = @_;
                    653:     my %parmhash = %$rparmhash;
1.187     www       654:     my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
1.140     sakharuk  655:     $r->print(<<ENDPART);
                    656: <html>
1.264     sakharuk  657: <script type="text/javascript" language="Javascript" >
                    658:     var editbrowser;
                    659:     function openbrowser(formname,elementname,only,omit) {
                    660:         var url = '/res/?';
                    661:         if (editbrowser == null) {
                    662:             url += 'launch=1&';
                    663:         }
                    664:         url += 'catalogmode=interactive&';
                    665:         url += 'mode=parmset&';
                    666:         url += 'form=' + formname + '&';
                    667:         if (only != null) {
                    668:             url += 'only=' + only + '&';
                    669:         } 
                    670:         if (omit != null) {
                    671:             url += 'omit=' + omit + '&';
                    672:         }
                    673:         url += 'element=' + elementname + '';
                    674:         var title = 'Browser';
                    675:         var options = 'scrollbars=1,resizable=1,menubar=0';
                    676:         options += ',width=700,height=600';
                    677:         editbrowser = open(url,title,options,'1');
                    678:         editbrowser.focus();
                    679:     }
                    680: </script>
1.140     sakharuk  681: <head>
                    682: <title>LON-CAPA output for printing</title>
                    683: </head>
1.187     www       684: $bodytag
                    685: Please stand by while processing your print request, this may take some time ...
1.140     sakharuk  686: ENDPART
                    687: 
                    688:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                    689:     my ($result,$selectionmade) = ('','');
                    690:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                    691:     my @temporary_array=split /\|/,$format_from_helper;
                    692:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                    693:     if ($laystyle eq 'L') {
                    694: 	$laystyle='album';
                    695:     } else {
                    696: 	$laystyle='book';
                    697:     }
1.177     sakharuk  698:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.140     sakharuk  699:     my $assignment =  $ENV{'form.assignment'};
                    700:     my $LaTeXwidth; 
1.190     sakharuk  701:     if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
1.140     sakharuk  702: 	$LaTeXwidth = $1*10;
1.190     sakharuk  703:     } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
1.140     sakharuk  704: 	$LaTeXwidth = $1;
1.190     sakharuk  705:     } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
1.140     sakharuk  706: 	$LaTeXwidth = $1*25.4;
                    707:     }
                    708:     $LaTeXwidth.=' mm';
1.153     sakharuk  709:     
1.140     sakharuk  710:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk  711:       #-- single document - problem, page, html, xml, ...
                    712: 	my $currentURL;
1.162     sakharuk  713: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk  714:             #prints published resource
1.153     sakharuk  715: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.143     sakharuk  716: 	} else {
1.185     sakharuk  717:             #prints resource from the construction space
1.240     albertel  718: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk  719: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.143     sakharuk  720: 	}
1.140     sakharuk  721: 	$selectionmade = 1;
1.143     sakharuk  722: 	if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel  723: 	    my $rndseed=time;
1.242     sakharuk  724: 	    my $texversion='';
                    725: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    726: 		my %moreenv;
                    727: 		$moreenv{'request.filename'}=$currentURL;
1.265     sakharuk  728: 		if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                    729: 		    $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
                    730: 		    my $dom = $ENV{'user.domain'};
                    731: 		    my $user = $ENV{'user.name'};
                    732: 		    my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
                    733: 		}
1.242     sakharuk  734: 		my %form;
                    735: 		$form{'grade_target'}='tex';
                    736: 		$form{'textwidth'}=$LaTeXwidth;	
                    737: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                    738: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    739: 		if ($helper->{'VARS'}->{'curseed'}) {
                    740: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                    741: 		}
                    742: 		$form{'rndseed'}=$rndseed;
                    743: 		&Apache::lonnet::appenv(%moreenv);
                    744: 		&Apache::lonnet::delenv('form.counter');
                    745: 		&Apache::lonxml::init_counter();
                    746: 		$texversion=&Apache::lonnet::ssi($currentURL,%form);
                    747: 		&Apache::lonnet::delenv('form.counter');
                    748: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel  749: 	    }
1.242     sakharuk  750: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    751: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.166     albertel  752: 		my %form;
                    753: 		$form{'grade_target'}='answer';
1.167     albertel  754: 		$form{'answer_output_mode'}='tex';
1.169     albertel  755: 		$form{'rndseed'}=$rndseed;
1.166     albertel  756: 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  757: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    758: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    759: 		} else {
                    760: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk  761: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                    762: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                    763: 			$texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                    764: 		    } else {
                    765: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                    766: 			my $URLpath=$currentURL;
                    767: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                    768: 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                    769: 		    }
1.242     sakharuk  770: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    771: 		}
1.163     sakharuk  772: 	    }
1.214     sakharuk  773: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk  774: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk  775: 	    }
1.219     sakharuk  776: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                    777: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                    778: 
                    779: 	    }
1.162     sakharuk  780: 	    $result .= $texversion;
                    781: 	    if ($currentURL=~m/\.page\s*$/) {
                    782: 		($result,$number_of_columns) = &page_cleanup($result);
                    783: 	    }
1.227     sakharuk  784:         } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
                    785:             #printing content of sequence from the construction space	
                    786: 	    my $flag_latex_header_remove = 'NO'; 
                    787: 	    my $rndseed=time;
1.231     albertel  788: 	    if ($helper->{'VARS'}->{'curseed'}) {
                    789: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                    790: 	    }
1.227     sakharuk  791: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                    792: 	    my $errtext=&Apache::lonratedt::mapread($currentURL);
                    793: 	    for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
                    794: 		$Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
                    795: 		my $urlp=$2;
                    796: 		if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.245     sakharuk  797: 		    my $texversion='';
                    798: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    799: 			my %form;
                    800: 			$form{'grade_target'}='tex';
                    801: 			$form{'textwidth'}=$LaTeXwidth;
                    802: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                    803: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    804: 			$form{'rndseed'}=$rndseed;
                    805: 			$texversion=&Apache::lonnet::ssi($urlp,%form);
                    806: 		    }
1.249     sakharuk  807: 		    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    808: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                    809: 		       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1.227     sakharuk  810: 			my %form;
                    811: 			$form{'grade_target'}='answer';
                    812: 			$form{'answer_output_mode'}='tex';
                    813: 			$form{'rndseed'}=$rndseed;
1.232     sakharuk  814:                         if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
1.227     sakharuk  815: 			my $answer=&Apache::lonnet::ssi($urlp,%form);
1.245     sakharuk  816: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    817: 			    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    818: 			} else {
                    819: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                    820: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                    821: 			    $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                    822: 			    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    823: 			}
1.227     sakharuk  824: 		    }
                    825: 		    if ($flag_latex_header_remove ne 'NO') {
                    826: 			$texversion = &latex_header_footer_remove($texversion);
                    827: 		    } else {
                    828: 			$texversion =~ s/\\end{document}//;
                    829: 		    }
                    830: 		    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                    831: 			$texversion=&IndexCreation($texversion,$urlp);
                    832: 		    }
1.232     sakharuk  833: 		    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1.227     sakharuk  834: 			$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                    835: 		    }
                    836: 		    $result.=$texversion;
                    837: 		    $flag_latex_header_remove = 'YES';
                    838: 		} elsif ($urlp=~/\.(sequence|page)$/) {
1.229     sakharuk  839: 		    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1.227     sakharuk  840: 		}  
                    841: 	    }
1.228     sakharuk  842: 	    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.227     sakharuk  843: 	    $result .= '\end{document}';   
1.258     sakharuk  844: 	} elsif ($currentURL=~/\/smppg$/) { 
                    845: 		my %form;
                    846: 		$form{'grade_target'}='tex';
                    847: 		$form{'textwidth'}=$LaTeXwidth;	
                    848: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    849: 		my $texversion=&Apache::lonnet::ssi($currentURL,%form);
                    850: 		$result .= $texversion;
1.162     sakharuk  851: 	} else {
1.227     sakharuk  852: 	  $result.='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
1.207     sakharuk  853: 	  if ($currentURL=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
                    854: 	      $result.=$1;
                    855: 	  } elsif ($currentURL=~/\/ext\//) {
                    856: 	      $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
                    857: 	  } else {
                    858: 	      $result.=$currentURL;
                    859: 	  }
                    860: 	  $result.=' \end{document}'
1.162     sakharuk  861: 	}
1.142     sakharuk  862:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
                    863:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.252     sakharuk  864:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
                    865: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.141     sakharuk  866:         #-- produce an output string
1.193     sakharuk  867: 	my %form=();	   
                    868: 	$form{'grade_target'}='tex';
                    869: 	$form{'textwidth'}=$LaTeXwidth;
                    870: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.203     sakharuk  871: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.141     sakharuk  872: 	my $flag_latex_header_remove = 'NO';
                    873: 	my $flag_page_in_sequence = 'NO';
                    874: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk  875: 	my $prevassignment='';
1.201     sakharuk  876: 	&Apache::lonxml::init_counter();
1.141     sakharuk  877: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.236     albertel  878: 	    my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel  879: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.141     sakharuk  880: 	    if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
1.142     sakharuk  881: 		$selectionmade = 2;
                    882: 	    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                    883: 		$selectionmade = 3;
                    884: 	    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                    885: 		$selectionmade = 4;
1.254     sakharuk  886: 	    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                    887: 		$selectionmade = 7;
1.141     sakharuk  888: 	    }
1.166     albertel  889: 	    $form{'symb'}=$master_seq[$i];
1.236     albertel  890: 	    my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
                    891: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1.247     sakharuk  892: 	    if ($i==0) {$prevassignment=$assignment;}
1.141     sakharuk  893: 	    #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
1.259     sakharuk  894: 	    my $texversion.=&Apache::lonnet::ssi($urlp,%form);
1.141     sakharuk  895: 	    if ($urlp=~/\.page$/) {
                    896: 		($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                    897: 		if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                    898: 		$texversion =~ s/\\end{document}\d*/\\end{document}/;
                    899: 		$flag_page_in_sequence = 'YES';
                    900: 	    } 
1.260     sakharuk  901: 	    my $lonidsdir=$r->dir_config('lonIDsDir');
                    902: 	    my $envfile=$ENV{'user.environment'};
                    903: 	    $envfile=~/\/([^\/]+)\.id$/;
                    904:             $envfile=$1;
                    905: 	    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                    906: 	    my $current_counter=$ENV{'form.counter'};
1.246     sakharuk  907: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    908: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                    909: 		my %form;
                    910: 		$form{'grade_target'}='answer';
                    911: 		$form{'answer_output_mode'}='tex';
                    912: 		my $answer=&Apache::lonnet::ssi($urlp,%form);
1.260     sakharuk  913:                 &Apache::lonnet::appenv(('form.counter' => $current_counter));
1.246     sakharuk  914: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    915: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    916: 		} else {
1.249     sakharuk  917: 		    if ($urlp=~/\.(problem|exam|quiz|library)$/) {
                    918: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                    919: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
                    920: 			$texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                    921: 			$texversion.='\vskip 1 mm '.$answer;
                    922: 		    } else {
                    923: 			$texversion='';
                    924: 		    }
1.246     sakharuk  925: 		}
                    926: 	    }
1.141     sakharuk  927: 	    if ($flag_latex_header_remove ne 'NO') {
                    928: 		$texversion = &latex_header_footer_remove($texversion);
                    929: 	    } else {
                    930: 		$texversion =~ s/\\end{document}//;
                    931: 	    }
1.215     sakharuk  932: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                    933: 		$texversion=&IndexCreation($texversion,$urlp);
                    934: 	    }
1.247     sakharuk  935: 	    if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                    936: 		my $name = &get_name();
                    937: 		my $courseidinfo = &get_course();
1.213     albertel  938: 		if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.193     sakharuk  939: 		$prevassignment=$assignment;
1.213     albertel  940: 		$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
1.193     sakharuk  941: 	    }
                    942: 	    $result .= $texversion;
1.141     sakharuk  943: 	    $flag_latex_header_remove = 'YES';   
                    944: 	}
                    945: 	&Apache::lonnet::delenv('form.counter');
                    946: 	if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}	
                    947: 	$result .= '\end{document}';
1.254     sakharuk  948:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')) { 
1.150     sakharuk  949:      #-- prints assignments for whole class or for selected students  
1.254     sakharuk  950: 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
                    951: 	     $selectionmade=5;
                    952: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                    953: 	     $selectionmade=8;
                    954: 	 }
1.150     sakharuk  955: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
                    956: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                    957: 	 #loop over students
                    958: 	 my $flag_latex_header_remove = 'NO'; 
                    959: 	 my %moreenv;
                    960: 	 $moreenv{'form.textwidth'}=$LaTeXwidth;
                    961: 	 &Apache::lonnet::appenv(%moreenv);
                    962: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
                    963: 	 foreach my $person (@students) {
                    964: 	    my $current_output = ''; 
1.140     sakharuk  965: #	    my ($usersection,$username,$userdomain) = split /:/,$person;
1.150     sakharuk  966: 	    my ($username,$userdomain) = split /:/,$person;
                    967: 	    my $fullname = &get_name($username,$userdomain);
1.196     sakharuk  968: 
1.197     sakharuk  969: 	    if ($parmhash{'anonymous_quiz'}=~/yes/) {$fullname=' ';} #put here something reasonable for anonymous exams or quiz
1.150     sakharuk  970:             #goes through all resources, checks if they are available for current student, and produces output   
1.201     sakharuk  971: 	    &Apache::lonnet::delenv('form.counter');
                    972: 	    &Apache::lonxml::init_counter();
1.150     sakharuk  973: 	    foreach my $curresline (@master_seq)  {
1.254     sakharuk  974: 		if ((($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) && ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students')) || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')) {
1.233     www       975: 		    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1.150     sakharuk  976: 		    if (&Apache::lonnet::allowed('bre',$res_url)) {
                    977: 			my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,
                    978:                                                                         $ENV{'request.course.id'},'tex');
1.260     sakharuk  979: 			my $lonidsdir=$r->dir_config('lonIDsDir');
                    980: 			my $envfile=$ENV{'user.environment'};
                    981: 			$envfile=~/\/([^\/]+)\.id$/;
                    982: 			$envfile=$1;
                    983: 			&Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
                    984: 			my $current_counter=$ENV{'form.counter'};
1.250     sakharuk  985: 			if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    986: 			   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                    987: 			    my %form;
                    988: 			    $form{'answer_output_mode'}='tex';
                    989: 			    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    990: 			    my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
1.260     sakharuk  991: 			    &Apache::lonnet::appenv(('form.counter' => $current_counter));
1.250     sakharuk  992: 			    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    993: 				$rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                    994: 			    } else {
                    995: 				$rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                    996: 				$rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
                    997: 				$rendered.=&path_to_problem ($curresline,$LaTeXwidth);
                    998: 				$rendered.='\vskip 1 mm '.$ansrendered;
                    999: 			    }
                   1000: 			}
1.150     sakharuk 1001: 			if ($flag_latex_header_remove eq 'YES') {
                   1002: 			    $rendered = &latex_header_footer_remove($rendered);
                   1003: 			} else {
                   1004: 			    $rendered =~ s/\\end{document}//;
                   1005: 			}
                   1006: 			$current_output .= $rendered;
                   1007: 		    }
                   1008: 		    $flag_latex_header_remove = 'YES';
                   1009: 		}
                   1010: 	    }
1.213     albertel 1011: 	    my $courseidinfo = &get_course();
                   1012: 	    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.221     sakharuk 1013: 	    my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.150     sakharuk 1014: 	    if ($current_output=~/\\documentclass/) {
1.221     sakharuk 1015: 		$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
1.150     sakharuk 1016: 	    } else {
                   1017: 		my $blanspages = '';
                   1018: 		for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
1.221     sakharuk 1019: 		$current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}}} \vskip -5 mm '.$current_output;
1.150     sakharuk 1020: 	    }
                   1021: 	    $result .= $current_output;
                   1022: 	    &Apache::lonnet::delenv('form.counter');	    
                   1023: 	    &Apache::lonxml::init_counter(); 
                   1024: 	    &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1.255     www      1025: 					     &mt('last student').' '.$fullname);
1.150     sakharuk 1026: 	}
                   1027: 	&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1028: 	$result .= '\end{document}';
                   1029: 	&Apache::lonnet::delenv('form.textwidth');
1.151     sakharuk 1030:     } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
                   1031:     #prints selected problems from the subdirectory 
                   1032: 	$selectionmade = 6;
                   1033:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 1034: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 1035: 	my $flag_latex_header_remove = 'NO'; 
                   1036: 	my $rndseed=time;
1.230     albertel 1037: 	if ($helper->{'VARS'}->{'curseed'}) {
                   1038: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1039: 	}
1.151     sakharuk 1040: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.152     sakharuk 1041: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 1042: 	    $urlp=~s|//|/|;
1.152     sakharuk 1043: 	    if ($urlp=~/\//) {
1.166     albertel 1044: 		my %form;
                   1045: 		$form{'grade_target'}='tex';
                   1046: 		$form{'textwidth'}=$LaTeXwidth;
1.175     sakharuk 1047: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 1048: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   1049: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   1050: 		} else {
                   1051: 		    $urlp =~ s|^/home/httpd/html||;
                   1052: 		}
1.166     albertel 1053: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1054: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 1055: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.174     sakharuk 1056: 		    my %form;
                   1057: 		    $form{'grade_target'}='answer';
                   1058: 		    $form{'answer_output_mode'}='tex';
1.203     sakharuk 1059: 		    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.174     sakharuk 1060: 		    $form{'rndseed'}=$rndseed;
                   1061: 		    my $answer=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1062: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1063: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1064: 		    } else {
1.253     sakharuk 1065: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1066: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1067: 			    $texversion.='\vskip 0 mm \noindent ';
                   1068: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1069: 			} else {
                   1070: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1071: 			    my $URLpath=$urlp;
                   1072: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1073: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1074: 			}
                   1075: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 1076: 		    }
1.174     sakharuk 1077: 		}
1.151     sakharuk 1078:                 #this chunck is responsible for printing the path to problem
1.253     sakharuk 1079: 		my $newurlp=$urlp;
                   1080: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   1081: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 1082: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 1083: 		if ($flag_latex_header_remove ne 'NO') {
                   1084: 		    $texversion = &latex_header_footer_remove($texversion);
                   1085: 		} else {
                   1086: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 1087: 		}
                   1088: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1089: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 1090: 		}
1.219     sakharuk 1091: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1092: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1093: 		    
                   1094: 		}
1.152     sakharuk 1095: 		$result .= $texversion;
                   1096: 	    }
                   1097: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 1098: 	}
1.175     sakharuk 1099: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 1100: 	$result .= '\end{document}';      	
1.140     sakharuk 1101:     }
                   1102: #-------------------------------------------------------- corrections for the different page formats
1.214     sakharuk 1103:     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'});
1.140     sakharuk 1104:     $result = &latex_corrections($number_of_columns,$result);
1.190     sakharuk 1105:     #changes page's parameters for the one column output 
1.195     sakharuk 1106:     if ($numberofcolumns == 1) {
1.261     sakharuk 1107: 	$result =~ s/\\textwidth\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   1108: 	$result =~ s/\\textheight\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   1109: 	$result =~ s/\\evensidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1110: 	$result =~ s/\\oddsidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.195     sakharuk 1111:     }
1.140     sakharuk 1112: #-- writing .tex file in prtspool 
                   1113:     my $temp_file;
                   1114:     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
                   1115:     unless ($temp_file = Apache::File->new('>'.$filename)) {
                   1116: 	$r->log_error("Couldn't open $filename for output $!");
                   1117: 	return SERVER_ERROR; 
1.256     sakharuk 1118:     }
                   1119: 
1.264     sakharuk 1120:     my $identifier = time.'_'.int(rand(1000));
1.257     sakharuk 1121:     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                   1122:                             'cgi.'.$identifier.'.layout'  => $laystyle,
                   1123:                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   1124:                             'cgi.'.$identifier.'.selection' => $selectionmade,
                   1125: 			    'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   1126: 			    'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   1127: 			    'cgi.'.$identifier.'role' => $ENV{'request.role.adv'});
1.256     sakharuk 1128:  
1.140     sakharuk 1129:     print $temp_file $result;
                   1130: 
                   1131: $r->print(<<FINALEND);
1.256     sakharuk 1132: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier">
1.140     sakharuk 1133: </body>
                   1134: </html>
                   1135: FINALEND
                   1136: }
                   1137: 
                   1138: 
                   1139: 
1.3       sakharuk 1140: sub handler {
                   1141: 
                   1142:     my $r = shift;
1.131     bowersj2 1143:     my $helper;
1.114     bowersj2 1144: 
1.150     sakharuk 1145: #    my $loaderror=&Apache::lonnet::overloaderror($r);
                   1146: #    if ($loaderror) { return $loaderror; }
                   1147: #    $loaderror=
                   1148: #       &Apache::lonnet::overloaderror($r,
                   1149: #         $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
                   1150: #    if ($loaderror) { return $loaderror; }
1.67      www      1151: 
1.177     sakharuk 1152:     my $result = printHelper($r);
                   1153:     if (!ref($result)) {
                   1154: 	return $result;
1.60      sakharuk 1155:     }
1.177     sakharuk 1156:     $helper = $result;
                   1157:    
                   1158: #	my $key; 
                   1159: #	foreach $key (keys %{$helper->{'VARS'}}) {
                   1160: #	    $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
                   1161: #	}
1.264     sakharuk 1162: #	foreach $key (keys %ENV) {
                   1163: #	    $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
                   1164: #	}
1.177     sakharuk 1165: #	return OK;
1.184     sakharuk 1166: 
                   1167:     my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
                   1168:     
1.207     sakharuk 1169: #	my $key; 
1.200     sakharuk 1170: #	foreach $key (keys %parmhash) {
                   1171: #	    $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
                   1172: #	}
                   1173: #	return OK;
1.184     sakharuk 1174: 
                   1175:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 1176:     return OK;
1.60      sakharuk 1177: } 
1.2       sakharuk 1178: 
1.131     bowersj2 1179: use Apache::lonhelper;
1.130     sakharuk 1180: 
1.223     bowersj2 1181: sub addMessage {
                   1182:     my $text = shift;
                   1183:     my $paramHash = Apache::lonhelper::getParamHash();
                   1184:     $paramHash->{MESSAGE_TEXT} = $text;
                   1185:     Apache::lonhelper::message->new();
                   1186: }
                   1187: 
1.238     bowersj2 1188: use Data::Dumper;
                   1189: 
1.131     bowersj2 1190: sub printHelper {
1.115     bowersj2 1191:     my $r = shift;
                   1192: 
                   1193:     if ($ENV{'request.course.id'}) {
1.131     bowersj2 1194: 	my $fn=$ENV{'request.course.fn'};
                   1195: 	tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
1.115     bowersj2 1196:     }
                   1197: 
                   1198:     if ($r->header_only) {
1.131     bowersj2 1199:         if ($ENV{'browser.mathml'}) {
1.241     www      1200:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 1201:         } else {
1.241     www      1202:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 1203:         }
                   1204:         $r->send_http_header;
                   1205:         return OK;
1.115     bowersj2 1206:     }
                   1207: 
1.131     bowersj2 1208:     # Send header, nocache
1.115     bowersj2 1209:     if ($ENV{'browser.mathml'}) {
1.241     www      1210:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 1211:     } else {
1.241     www      1212:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 1213:     }
                   1214:     &Apache::loncommon::no_cache($r);
                   1215:     $r->send_http_header;
                   1216:     $r->rflush();
                   1217: 
1.131     bowersj2 1218:     # Unfortunately, this helper is so complicated we have to
                   1219:     # write it by hand
                   1220: 
                   1221:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   1222:     
1.176     bowersj2 1223:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 1224:     $helper->declareVar('symb');
1.156     bowersj2 1225:     $helper->declareVar('postdata');    
1.230     albertel 1226:     $helper->declareVar('curseed');    
1.156     bowersj2 1227:     $helper->declareVar('filename');
                   1228:     $helper->declareVar('construction');
1.178     sakharuk 1229:     $helper->declareVar('assignment');
1.262     sakharuk 1230:     $helper->declareVar('style_file');
1.131     bowersj2 1231:     
                   1232:     # This will persistently load in the data we want from the
                   1233:     # very first screen.
1.156     bowersj2 1234:     # Detect whether we're coming from construction space
1.208     www      1235:     if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 1236:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 1237:         $helper->{VARS}->{'construction'} = 1;
                   1238:     } else {
                   1239:         if ($ENV{'form.postdata'}) {
                   1240:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
                   1241:         }
                   1242:         if ($ENV{'form.symb'}) {
                   1243:             $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1244:         }
                   1245:         if ($ENV{'form.url'}) {
                   1246:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   1247:         }
1.157     bowersj2 1248:     }
1.156     bowersj2 1249: 
1.146     bowersj2 1250:     if ($ENV{'form.symb'}) {
                   1251:         $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
                   1252:     }
                   1253:     if ($ENV{'form.url'}) {
1.140     sakharuk 1254:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 1255: 
1.140     sakharuk 1256:     }
1.146     bowersj2 1257:     
1.115     bowersj2 1258:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
1.178     sakharuk 1259:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140     sakharuk 1260: 
1.156     bowersj2 1261:     
1.146     bowersj2 1262:     # Extract map
                   1263:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 1264:     my ($map, $id, $url);
                   1265:     my $subdir;
                   1266: 
                   1267:     # Get the resource name from construction space
                   1268:     if ($helper->{VARS}->{'construction'}) {
                   1269:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   1270:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   1271:         $subdir = substr($helper->{VARS}->{'filename'},
                   1272:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
                   1273:     } else {
1.233     www      1274:         ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.156     bowersj2 1275:         $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
1.146     bowersj2 1276: 
1.156     bowersj2 1277:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 1278:             my $postdata = $helper->{VARS}->{'postdata'};
                   1279:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 1280:         }
                   1281:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 1282:     }
1.230     albertel 1283:     if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
                   1284: 	$helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
                   1285:     }
1.115     bowersj2 1286: 
1.192     bowersj2 1287:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1.235     bowersj2 1288:     my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
                   1289: 			   $ENV{'request.role'}=~m/^in\./ or
                   1290: 			   $ENV{'request.role'}=~m/^ta\./);
1.192     bowersj2 1291: 
1.131     bowersj2 1292:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 1293: 
1.131     bowersj2 1294:     # "Delete everything after the last slash."
1.119     bowersj2 1295:     $subdir =~ s|/[^/]+$||;
1.162     sakharuk 1296:     if (not $helper->{VARS}->{'construction'}) {
                   1297: 	$subdir='/home/httpd/html/res/'.$subdir;
1.153     sakharuk 1298:     }
1.189     bowersj2 1299:     # "Remove all duplicate slashes."
                   1300:     $subdir =~ s|/+|/|g;
1.119     bowersj2 1301: 
1.131     bowersj2 1302:     # What can be printed is a very dynamic decision based on
                   1303:     # lots of factors. So we need to dynamically build this list.
                   1304:     # To prevent security leaks, states are only added to the wizard
                   1305:     # if they can be reached, which ensures manipulating the form input
                   1306:     # won't allow anyone to reach states they shouldn't have permission
                   1307:     # to reach.
                   1308: 
                   1309:     # printChoices is tracking the kind of printing the user can
                   1310:     # do, and will be used in a choices construction later.
                   1311:     # In the meantime we will be adding states and elements to
                   1312:     # the helper by hand.
                   1313:     my $printChoices = [];
                   1314:     my $paramHash;
1.130     sakharuk 1315: 
1.240     albertel 1316:     if ($resourceTitle) {
1.254     sakharuk 1317:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (what you just saw on the screen)", 'current_document', 'PAGESIZE'];
1.156     bowersj2 1318:     }
                   1319: 
1.187     www      1320: #    $r->print($helper->{VARS}->{'postdata'});
1.130     sakharuk 1321: 
1.238     bowersj2 1322:     # Useful filter strings
                   1323:     my $isProblem = '$res->is_problem()';
                   1324:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   1325:     my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
                   1326:     my $isNotMap = '!$res->is_map()';
                   1327:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   1328:     my $isMap = '$res->is_map()';
                   1329:     my $symbFilter = '$res->symb()';
                   1330:     my $urlValue = '$res->src()';
                   1331: 
                   1332:     $helper->declareVar('SEQUENCE');
                   1333: 
                   1334:     # Useful for debugging: Dump the help vars
                   1335:     #$r->print(Dumper($helper->{VARS}));
                   1336:     #$r->print($map);
                   1337: 
1.131     bowersj2 1338:     # If we're in a sequence...
1.235     bowersj2 1339:     if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.243     bowersj2 1340: 	$helper->{VARS}->{'postdata'} &&
                   1341: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 1342:         # Allow problems from sequence
1.254     sakharuk 1343:         push @{$printChoices}, ["<b>Problems</b> in <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 1344:         # Allow all resources from sequence
1.254     sakharuk 1345:         push @{$printChoices}, ["<b>Resources</b> in <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130     sakharuk 1346: 
1.131     bowersj2 1347:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 1348:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
                   1349:     <message>(mark them then click "next" button) <br /></message>
1.234     bowersj2 1350:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1.144     bowersj2 1351:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1352:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 1353:       <mapurl>$map</mapurl>
1.238     bowersj2 1354:       <valuefunc>return $symbFilter;</valuefunc>
1.131     bowersj2 1355:       </resource>
                   1356:     </state>
                   1357: 
1.155     sakharuk 1358:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
                   1359:     <message>(mark them then click "next" button) <br /></message>
1.234     bowersj2 1360:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
1.144     bowersj2 1361:       <nextstate>PAGESIZE</nextstate>
1.145     bowersj2 1362:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 1363:       <mapurl>$map</mapurl>
1.238     bowersj2 1364:       <valuefunc>return $symbFilter;</valuefunc>
1.131     bowersj2 1365:       </resource>
                   1366:     </state>
                   1367: HELPERFRAGMENT
1.121     bowersj2 1368: 
1.131     bowersj2 1369:         &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 
1.121     bowersj2 1370:     }
                   1371: 
                   1372:     # If the user is priviledged, allow them to print all 
                   1373:     # problems in the course, optionally for selected students
1.235     bowersj2 1374:     if ($userPriviledged && ($helper->{VARS}->{'postdata'}=~/\/res\//)) { 
1.254     sakharuk 1375:         push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1.243     bowersj2 1376: 	if ($helper->{VARS}->{'assignment'}) {
1.254     sakharuk 1377: 	    push @{$printChoices}, ["<b>Problems</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
1.238     bowersj2 1378: 	}
1.131     bowersj2 1379: 
                   1380:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
1.155     sakharuk 1381:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
                   1382:     <message>(mark them then click "next" button) <br /></message>
1.234     bowersj2 1383:     <resource variable="RESOURCES" multichoice="1"
                   1384: 	suppressEmptySequences='1' addstatus="1">
1.144     bowersj2 1385:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1386:       <filterfunc>return $isProblemOrMap;</filterfunc>
                   1387:       <choicefunc>return $isProblem;</choicefunc>
1.238     bowersj2 1388:       <valuefunc>return $symbFilter;</valuefunc>
1.132     bowersj2 1389:       </resource>
                   1390:     </state>
                   1391: 
1.223     bowersj2 1392:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1.144     bowersj2 1393:     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
1.155     sakharuk 1394:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.234     bowersj2 1395:     <resource variable="RESOURCES" multichoice="1" addstatus="1">
1.254     sakharuk 1396:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 1397:       <mapurl>$map</mapurl>
1.254     sakharuk 1398:       <valuefunc>return $symbFilter;</valuefunc>
1.147     bowersj2 1399:       </resource>
1.155     sakharuk 1400:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 1401:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 1402:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1403:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1404:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1405:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.149     bowersj2 1406:       </choices>
1.131     bowersj2 1407:     </state>
                   1408: CHOOSE_STUDENTS
1.254     sakharuk 1409: 
                   1410: 	if ($helper->{VARS}->{'assignment'}) {
                   1411: 	    push @{$printChoices}, ["<b>Resources</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
                   1412: 	}
                   1413:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   1414:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
                   1415:     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
                   1416:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
                   1417:     <resource variable="RESOURCES" multichoice="1" addstatus="1">
                   1418:       <filterfunc>return $isNotMap;</filterfunc>
                   1419:       <mapurl>$map</mapurl>
                   1420:       <valuefunc>return $symbFilter;</valuefunc>
                   1421:       </resource>
                   1422:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   1423:     <choices variable="EMPTY_PAGES">
                   1424:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1425:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1426:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1427:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
                   1428:       </choices>
                   1429:     </state>
                   1430: CHOOSE_STUDENTS1
                   1431: 
1.121     bowersj2 1432:     }
                   1433: 
                   1434:     # FIXME: That RE should come from a library somewhere.
1.238     bowersj2 1435:     if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $ENV{'request.role.adv'} and $subdir ne '/home/httpd/html/res/') {    
1.254     sakharuk 1436:         push @{$printChoices}, ["<b>Problems</b> from current subdirectory <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238     bowersj2 1437: 
1.131     bowersj2 1438:         my $f = '$filename';
1.139     bowersj2 1439:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155     sakharuk 1440:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
                   1441:     <message>(mark them then click "next" button) <br /></message>
1.138     bowersj2 1442:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 1443:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 1444:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 1445: CHOOSE_FROM_SUBDIR
                   1446:         
1.238     bowersj2 1447:         # this is broken up because I really want interpolation above,
                   1448:         # and I really DON'T want it below
1.139     bowersj2 1449:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 1450:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   1451: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 1452:       </filefilter>
1.138     bowersj2 1453:       </files>
1.131     bowersj2 1454:     </state>
                   1455: CHOOSE_FROM_SUBDIR
1.139     bowersj2 1456:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 1457:     }
1.238     bowersj2 1458: 
                   1459:     # Allow the user to select any sequence in the course, feed it to
                   1460:     # another resource selector for that sequence
1.239     bowersj2 1461:     if (!$helper->{VARS}->{'construction'}) {
1.254     sakharuk 1462: 	push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1.249     sakharuk 1463: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 1464: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   1465: 	#Escape apostrophes and backslashes for Perl
                   1466: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   1467: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 1468: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 1469:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   1470:     <message>Select the sequence to print resources from:</message>
                   1471:     <resource variable="SEQUENCE">
                   1472:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   1473:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   1474:       <valuefunc>return $urlValue;</valuefunc>
                   1475:       </resource>
                   1476:     </state>
                   1477:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   1478:     <message>(mark desired resources then click "next" button) <br /></message>
                   1479:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1">
                   1480:       <nextstate>PAGESIZE</nextstate>
                   1481:       <filterfunc>return $isProblem</filterfunc>
1.244     bowersj2 1482:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 1483:       <valuefunc>return $symbFilter;</valuefunc>
                   1484:       </resource>
                   1485:     </state>
                   1486: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 1487: }
1.131     bowersj2 1488: 
                   1489:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 1490:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 1491:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 1492:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 1493:     Apache::lonhelper::message->new();
                   1494:     $paramHash = Apache::lonhelper::getParamHash();
                   1495:     $paramHash->{'variable'} = 'PRINT_TYPE';
1.137     bowersj2 1496:     $helper->declareVar('PRINT_TYPE');
1.131     bowersj2 1497:     $paramHash->{CHOICES} = $printChoices;
                   1498:     Apache::lonhelper::choices->new();
1.161     bowersj2 1499: 
1.223     bowersj2 1500:     my $startedTable = 0; # have we started an HTML table yet? (need
                   1501:                           # to close it later)
                   1502: 
1.170     sakharuk 1503:     if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or 
                   1504: 	($helper->{VARS}->{'construction'} eq '1')) {
1.242     sakharuk 1505: 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161     bowersj2 1506:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 1507: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   1508: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 1509:         $paramHash->{CHOICES} = [
1.242     sakharuk 1510:                                    ['Without Answers', 'yes'],
                   1511:                                    ['With Answers', 'no'],
                   1512:                                    ['Only Answers', 'only'] ];
1.210     sakharuk 1513:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 1514: 	addMessage("</td></tr>");
                   1515: 	$startedTable = 1;
1.161     bowersj2 1516:     }
1.209     sakharuk 1517: 
1.203     sakharuk 1518:     if ($ENV{'request.role.adv'}) {
1.223     bowersj2 1519: 	if (!$startedTable) {
                   1520: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
                   1521: 	    $startedTable = 1;
                   1522: 	} else {
                   1523: 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
                   1524: 	}
1.203     sakharuk 1525:         $paramHash = Apache::lonhelper::getParamHash();
                   1526: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   1527: 	$helper->declareVar('LATEX_TYPE');  
                   1528: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   1529: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1530: 				     ['standard LaTeX mode', 'standard'], 
                   1531: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 1532: 	} else {
                   1533: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1534: 				     ['LaTeX batchmode', 'batchmode'],
                   1535: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 1536: 	}
1.210     sakharuk 1537:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 1538:  
1.223     bowersj2 1539: 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209     sakharuk 1540:         $paramHash = Apache::lonhelper::getParamHash();
                   1541: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   1542: 	$helper->declareVar('TABLE_CONTENTS');         
                   1543:         $paramHash->{CHOICES} = [
1.223     bowersj2 1544:                                    ['No', 'no'],
                   1545:                                    ['Yes', 'yes'] ];
1.210     sakharuk 1546:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 1547: 	addMessage("</td></tr>");
1.214     sakharuk 1548:         
1.220     sakharuk 1549: 	if (not $helper->{VARS}->{'construction'}) {
1.223     bowersj2 1550: 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220     sakharuk 1551: 	    $paramHash = Apache::lonhelper::getParamHash();
                   1552: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   1553: 	    $helper->declareVar('TABLE_INDEX');         
                   1554: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 1555: 				     ['No', 'no'],
                   1556: 				     ['Yes', 'yes'] ];
1.220     sakharuk 1557: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 1558: 	    addMessage("</td></tr>");
1.220     sakharuk 1559: 	}
1.219     sakharuk 1560: 
1.230     albertel 1561: 	if ($helper->{'VARS'}->{'construction'}) { 
1.265     sakharuk 1562: 	    my $stylevalue=$ENV{'construct.style'};
                   1563: 	    my $xmlfrag .= <<"RNDSEED";
1.230     albertel 1564: 	    <message><tr><td align='right'>Use random seed: </td><td></message>
                   1565: 	    <string variable="curseed" size="15" maxlength="15">
                   1566: 		<defaultvalue>
                   1567: 	            return $helper->{VARS}->{'curseed'};
                   1568: 	        </defaultvalue>
1.262     sakharuk 1569: 	    </string>
1.264     sakharuk 1570: 	     <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1.265     sakharuk 1571:              <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
1.230     albertel 1572:              <message></td></tr></message>
                   1573: RNDSEED
                   1574:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.264     sakharuk 1575: 	    $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
1.219     sakharuk 1576: 	}
1.223     bowersj2 1577:     }
1.264     sakharuk 1578: 
                   1579: 
                   1580: 
1.218     sakharuk 1581: 
1.223     bowersj2 1582:     if ($startedTable) {
                   1583: 	addMessage("</table>");
1.215     sakharuk 1584:     }
1.161     bowersj2 1585: 
1.131     bowersj2 1586:     Apache::lonprintout::page_format_state->new("FORMAT");
                   1587: 
1.144     bowersj2 1588:     # Generate the PAGESIZE state which will offer the user the margin
                   1589:     # choices if they select one column
                   1590:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   1591:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   1592: 
                   1593: 
1.131     bowersj2 1594:     $helper->process();
                   1595: 
                   1596:     # MANUAL BAILOUT CONDITION:
                   1597:     # If we're in the "final" state, bailout and return to handler
                   1598:     if ($helper->{STATE} eq 'FINAL') {
                   1599:         return $helper;
                   1600:     }    
1.130     sakharuk 1601: 
1.131     bowersj2 1602:     $r->print($helper->display());
1.130     sakharuk 1603: 
1.131     bowersj2 1604:     Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 1605: 
                   1606:     untie %hash;
                   1607: 
                   1608:     return OK;
                   1609: }
                   1610: 
1.1       www      1611: 
                   1612: 1;
1.119     bowersj2 1613: 
                   1614: package Apache::lonprintout::page_format_state;
                   1615: 
                   1616: =pod
                   1617: 
1.131     bowersj2 1618: =head1 Helper element: page_format_state
                   1619: 
                   1620: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 1621: 
1.131     bowersj2 1622: Apache::lonprintout::page_format_state is an element that gives the 
                   1623: user an opportunity to select the page layout they wish to print 
                   1624: with: Number of columns, portrait/landscape, and paper size. If you 
                   1625: want to change the paper size choices, change the @paperSize array 
                   1626: contents in this package.
1.119     bowersj2 1627: 
1.131     bowersj2 1628: page_format_state is always directly invoked in lonprintout.pm, so there
                   1629: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 1630: 
                   1631: =over 4
                   1632: 
1.131     bowersj2 1633: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 1634: 
                   1635: =back
                   1636: 
                   1637: =cut
                   1638: 
1.131     bowersj2 1639: use Apache::lonhelper;
1.119     bowersj2 1640: 
                   1641: no strict;
1.131     bowersj2 1642: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 1643: use strict;
1.266   ! sakharuk 1644: use Apache::lonlocal;
1.119     bowersj2 1645: 
                   1646: my $maxColumns = 2;
                   1647: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 
                   1648:                  "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1649:                  "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]", 
                   1650:                  "A5 [148x210 mm]", "A6 [105x148 mm]" );
                   1651: 
                   1652: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   1653: #                   Paper type
                   1654: 
                   1655: sub new { 
1.131     bowersj2 1656:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 1657: 
1.135     bowersj2 1658:     shift;
                   1659: 
1.131     bowersj2 1660:     $self->{'variable'} = shift;
1.134     bowersj2 1661:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 1662:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 1663:     bless($self);
1.119     bowersj2 1664:     return $self;
                   1665: }
                   1666: 
                   1667: sub render {
                   1668:     my $self = shift;
1.131     bowersj2 1669:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 1670:     my $result = '';
1.131     bowersj2 1671:     my $var = $self->{'variable'};
1.266   ! sakharuk 1672:     my $PageLayout=&mt('Page layout');
        !          1673:     my $NumberOfColumns=&mt('Number of columns');
        !          1674:     my $PaperType=&mt('Paper type');
1.119     bowersj2 1675:     $result .= <<STATEHTML;
                   1676: 
1.223     bowersj2 1677: <hr width="33%" />
1.119     bowersj2 1678: <table cellpadding="3">
                   1679:   <tr>
1.266   ! sakharuk 1680:     <td align="center"><b>$PageLayout</b></td>
        !          1681:     <td align="center"><b>$NumberOfColumns</b></td>
        !          1682:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 1683:   </tr>
                   1684:   <tr>
                   1685:     <td>
1.155     sakharuk 1686:       <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
                   1687:       <input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait
1.119     bowersj2 1688:     </td>
1.155     sakharuk 1689:     <td align="center">
1.119     bowersj2 1690:       <select name="${var}.cols">
                   1691: STATEHTML
                   1692: 
                   1693:     my $i;
                   1694:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 1695:         if ($i == 2) {
1.119     bowersj2 1696:             $result .= "<option value='$i' selected>$i</option>\n";
                   1697:         } else {
                   1698:             $result .= "<option value='$i'>$i</option>\n";
                   1699:         }
                   1700:     }
                   1701: 
                   1702:     $result .= "</select></td><td>\n";
                   1703:     $result .= "<select name='${var}.paper'>\n";
                   1704: 
                   1705:     $i = 0;
                   1706:     foreach (@paperSize) {
1.144     bowersj2 1707:         if ($i == 0) {
1.131     bowersj2 1708:             $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 1709:         } else {
1.131     bowersj2 1710:             $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 1711:         }
                   1712:         $i++;
                   1713:     }
                   1714: 
                   1715:     $result .= "</select></td></tr></table>";
                   1716:     return $result;
1.135     bowersj2 1717: }
                   1718: 
                   1719: sub postprocess {
                   1720:     my $self = shift;
                   1721: 
                   1722:     my $var = $self->{'variable'};
1.136     bowersj2 1723:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 1724:     $helper->{VARS}->{$var} = 
1.136     bowersj2 1725:         $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
                   1726:         $ENV{"form.$var.paper"};
1.135     bowersj2 1727:     return 1;
1.119     bowersj2 1728: }
                   1729: 
                   1730: 1;
1.144     bowersj2 1731: 
                   1732: package Apache::lonprintout::page_size_state;
                   1733: 
                   1734: =pod
                   1735: 
                   1736: =head1 Helper element: page_size_state
                   1737: 
                   1738: See lonhelper.pm documentation for discussion of the helper framework.
                   1739: 
                   1740: Apache::lonprintout::page_size_state is an element that gives the 
                   1741: user the opportunity to further refine the page settings if they
                   1742: select a single-column page.
                   1743: 
                   1744: page_size_state is always directly invoked in lonprintout.pm, so there
                   1745: is no tag interface. You actually pass parameters to the constructor.
                   1746: 
                   1747: =over 4
                   1748: 
                   1749: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   1750: 
                   1751: =back
                   1752: 
                   1753: =cut
                   1754: 
                   1755: use Apache::lonhelper;
                   1756: 
                   1757: no strict;
                   1758: @ISA = ("Apache::lonhelper::element");
                   1759: use strict;
                   1760: 
                   1761: 
                   1762: 
                   1763: sub new { 
                   1764:     my $self = Apache::lonhelper::element->new();
                   1765: 
                   1766:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   1767:            # package descriptor)... - Jeremy
                   1768: 
                   1769:     $self->{'variable'} = shift;
                   1770:     my $helper = Apache::lonhelper::getHelper();
                   1771:     $helper->declareVar($self->{'variable'});
                   1772: 
                   1773:     # The variable name of the format element, so we can look into 
                   1774:     # $helper->{VARS} to figure out whether the columns are one or two
                   1775:     $self->{'formatvar'} = shift;
                   1776: 
                   1777:     # The state to transition to after selection, or after discovering
                   1778:     # the cols are not set to 1
                   1779:     $self->{NEXTSTATE} = shift;
                   1780:     bless($self);
                   1781:     return $self;
                   1782: }
                   1783: 
                   1784: sub render {
                   1785:     my $self = shift;
                   1786:     my $helper = Apache::lonhelper::getHelper();
                   1787:     my $result = '';
                   1788:     my $var = $self->{'variable'};
                   1789: 
                   1790:     if (defined $self->{ERROR_MSG}) {
                   1791:         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
                   1792:     }
                   1793: 
                   1794:     $result .= <<ELEMENTHTML;
                   1795: 
                   1796: <p>How should the column be formatted?</p>
                   1797: 
                   1798: <table cellpadding='3'>
                   1799:   <tr>
                   1800:     <td align='right'><b>Width</b>:</td>
                   1801:     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
                   1802:     <td align='left'>
                   1803:       <select name='$var.widthunit'>
                   1804:         <option>cm</option><option>in</option>
                   1805:       </select>
                   1806:     </td>
                   1807:   </tr>
                   1808:   <tr>
                   1809:     <td align='right'><b>Height</b>:</td>
                   1810:     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
                   1811:     <td align='left'>
                   1812:       <select name='$var.heightunit'>
                   1813:         <option>cm</option><option>in</option>
                   1814:       </select>
                   1815:     </td>
                   1816:   </tr>
                   1817:   <tr>
                   1818:     <td align='right'><b>Left margin</b>:</td>
                   1819:     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
                   1820:     <td align='left'>
1.186     bowersj2 1821:       <select name='$var.lmarginunit'>
1.144     bowersj2 1822:         <option>cm</option><option>in</option>
                   1823:       </select>
                   1824:     </td>
                   1825:   </tr>
                   1826: </table>
                   1827: 
                   1828: <p>Hint: Some instructors like to leave scratch space for the student by
                   1829: making the width much smaller then the width of the page.</p>
                   1830: 
                   1831: ELEMENTHTML
                   1832: 
                   1833:     return $result;
                   1834: }
                   1835: 
                   1836: # If the user didn't select 1 column, skip this state.
                   1837: sub preprocess {
                   1838:     my $self = shift;
                   1839:     my $helper = Apache::lonhelper::getHelper();
                   1840: 
                   1841:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   1842:     if (substr($format, 2, 1) ne '1') {
                   1843:         $helper->changeState($self->{NEXTSTATE});
                   1844:     }
                   1845:    
                   1846:     return 1;
                   1847: }
                   1848: 
                   1849: sub postprocess {
                   1850:     my $self = shift;
                   1851: 
                   1852:     my $var = $self->{'variable'};
                   1853:     my $helper = Apache::lonhelper->getHelper();
                   1854:     my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"}; 
                   1855:     my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"}; 
                   1856:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"}; 
                   1857:     $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"}; 
                   1858:     $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"}; 
                   1859:     $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"}; 
                   1860: 
                   1861:     my $error = '';
                   1862: 
                   1863:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   1864:     # by an optional period, followed by digits, ending the string
                   1865: 
                   1866:     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   1867:         $error .= "Invalid width; please type only a number.<br />\n";
                   1868:     }
                   1869:     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   1870:         $error .= "Invalid height; please type only a number.<br />\n";
                   1871:     }
                   1872:     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   1873:         $error .= "Invalid left margin; please type only a number.<br />\n";
                   1874:     }
                   1875: 
                   1876:     if (!$error) {
                   1877:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   1878:         return 1;
                   1879:     } else {
                   1880:         $self->{ERROR_MSG} = $error;
                   1881:         return 0;
                   1882:     }
                   1883: }
                   1884: 
                   1885: 
1.119     bowersj2 1886: 
1.1       www      1887: __END__
1.6       sakharuk 1888: 

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