Annotation of loncom/interface/lonprintout.pm, revision 1.380

1.350     foxr        1: #  The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.380   ! foxr        4: # $Id: lonprintout.pm,v 1.379 2005/07/25 10:27:51 foxr 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: 
1.375     foxr       45: my $resources_printed = '';
                     46: 
1.341     foxr       47: #   Compare two students by name.  The students are in the form
                     48: #   returned by the helper:
                     49: #      user:domain:section:last,   first:status
                     50: #   This is a helper function for the perl sort built-in  therefore:
                     51: # Implicit Inputs:
                     52: #    $a     - The first element to compare (global)
                     53: #    $b     - The second element to compare (global)
                     54: # Returns:
                     55: #   -1   - $a < $b
                     56: #    0   - $a == $b
                     57: #   +1   - $a > $b
                     58: #   Note that the initial comparison is done on the last names with the
                     59: #   first names only used to break the tie.
                     60: #
                     61: #
                     62: sub compare_names {
                     63:     #  First split the names up into the primary fields.
                     64: 
                     65:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                     66:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                     67: 
                     68:     # Now split the last name and first name of each n:
                     69:     #
                     70: 
                     71:     my ($l1,$f1) = split(/,/, $n1);
                     72:     my ($l2,$f2) = split(/,/, $n2);
                     73: 
                     74:     # We don't bother to remove the leading/trailing whitespace from the
                     75:     # firstname, unless the last names compare identical.
                     76: 
                     77:     if($l1 lt $l2) {
                     78: 	return -1;
                     79:     }
                     80:     if($l1 gt $l2) {
                     81: 	return  1;
                     82:     }
                     83: 
                     84:     # Break the tie on the first name, but there are leading (possibly trailing
                     85:     # whitespaces to get rid of first 
                     86:     #
                     87:     $f1 =~ s/^\s+//;		# Remove leading...
                     88:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                     89:     
                     90:     $f2 =~ s/^\s+//;
                     91:     $f2 =~ s/\s+$//;		# And the same for first 2...
                     92: 
                     93:     if($f1 lt $f2) {
                     94: 	return -1;
                     95:     }
                     96:     if($f1 gt $f2) {
                     97: 	return 1;
                     98:     }
                     99:     
                    100:     #  Must be the same name.
                    101: 
                    102:     return 0;
                    103: }
                    104: 
1.71      sakharuk  105: sub latex_header_footer_remove {
                    106:     my $text = shift;
                    107:     $text =~ s/\\end{document}//;
                    108:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    109:     return $text;
                    110: }
                    111: 
                    112: 
1.37      sakharuk  113: sub character_chart {
                    114:     my $result = shift;	
1.116     sakharuk  115:     $result =~ s/&\#0?0?(7|9);//g;
                    116:     $result =~ s/&\#0?(10|13);//g;
                    117:     $result =~ s/&\#0?32;/ /g;
                    118:     $result =~ s/&\#0?33;/!/g;
                    119:     $result =~ s/&(\#0?34|quot);/\"/g;
                    120:     $result =~ s/&\#0?35;/\\\#/g;
                    121:     $result =~ s/&\#0?36;/\\\$/g;
                    122:     $result =~ s/&\#0?37;/\\%/g; 
                    123:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    124:     $result =~ s/&\#(0?39|146);/\'/g;
                    125:     $result =~ s/&\#0?40;/(/g;
                    126:     $result =~ s/&\#0?41;/)/g;
                    127:     $result =~ s/&\#0?42;/\*/g;
                    128:     $result =~ s/&\#0?43;/\+/g;
                    129:     $result =~ s/&\#(0?44|130);/,/g;
                    130:     $result =~ s/&\#0?45;/-/g;
                    131:     $result =~ s/&\#0?46;/\./g;
                    132:     $result =~ s/&\#0?47;/\//g;
                    133:     $result =~ s/&\#0?48;/0/g;
                    134:     $result =~ s/&\#0?49;/1/g;
                    135:     $result =~ s/&\#0?50;/2/g;
                    136:     $result =~ s/&\#0?51;/3/g;
                    137:     $result =~ s/&\#0?52;/4/g;
                    138:     $result =~ s/&\#0?53;/5/g;
                    139:     $result =~ s/&\#0?54;/6/g;
                    140:     $result =~ s/&\#0?55;/7/g;
                    141:     $result =~ s/&\#0?56;/8/g;
                    142:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  143:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  144:     $result =~ s/&\#0?59;/;/g;
                    145:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  146:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    147:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  148:     $result =~ s/&\#0?63;/\?/g;
                    149:     $result =~ s/&\#0?65;/A/g;
                    150:     $result =~ s/&\#0?66;/B/g;
                    151:     $result =~ s/&\#0?67;/C/g;
                    152:     $result =~ s/&\#0?68;/D/g;
                    153:     $result =~ s/&\#0?69;/E/g;
                    154:     $result =~ s/&\#0?70;/F/g;
                    155:     $result =~ s/&\#0?71;/G/g;
                    156:     $result =~ s/&\#0?72;/H/g;
                    157:     $result =~ s/&\#0?73;/I/g;
                    158:     $result =~ s/&\#0?74;/J/g;
                    159:     $result =~ s/&\#0?75;/K/g;
                    160:     $result =~ s/&\#0?76;/L/g;
                    161:     $result =~ s/&\#0?77;/M/g;
                    162:     $result =~ s/&\#0?78;/N/g;
                    163:     $result =~ s/&\#0?79;/O/g;
                    164:     $result =~ s/&\#0?80;/P/g;
                    165:     $result =~ s/&\#0?81;/Q/g;
                    166:     $result =~ s/&\#0?82;/R/g;
                    167:     $result =~ s/&\#0?83;/S/g;
                    168:     $result =~ s/&\#0?84;/T/g;
                    169:     $result =~ s/&\#0?85;/U/g;
                    170:     $result =~ s/&\#0?86;/V/g;
                    171:     $result =~ s/&\#0?87;/W/g;
                    172:     $result =~ s/&\#0?88;/X/g;
                    173:     $result =~ s/&\#0?89;/Y/g;
                    174:     $result =~ s/&\#0?90;/Z/g;
                    175:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  176:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  177:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  178:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  179:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    180:     $result =~ s/&\#(0?96|145);/\`/g;
                    181:     $result =~ s/&\#0?97;/a/g;
                    182:     $result =~ s/&\#0?98;/b/g;
                    183:     $result =~ s/&\#0?99;/c/g;
                    184:     $result =~ s/&\#100;/d/g;
                    185:     $result =~ s/&\#101;/e/g;
                    186:     $result =~ s/&\#102;/f/g;
                    187:     $result =~ s/&\#103;/g/g;
                    188:     $result =~ s/&\#104;/h/g;
                    189:     $result =~ s/&\#105;/i/g;
                    190:     $result =~ s/&\#106;/j/g;
                    191:     $result =~ s/&\#107;/k/g;
                    192:     $result =~ s/&\#108;/l/g;
                    193:     $result =~ s/&\#109;/m/g;
                    194:     $result =~ s/&\#110;/n/g;
                    195:     $result =~ s/&\#111;/o/g;
                    196:     $result =~ s/&\#112;/p/g;
                    197:     $result =~ s/&\#113;/q/g;
                    198:     $result =~ s/&\#114;/r/g;
                    199:     $result =~ s/&\#115;/s/g;
                    200:     $result =~ s/&\#116;/t/g;
                    201:     $result =~ s/&\#117;/u/g;
                    202:     $result =~ s/&\#118;/v/g;
                    203:     $result =~ s/&\#119;/w/g;
                    204:     $result =~ s/&\#120;/x/g;
                    205:     $result =~ s/&\#121;/y/g;
                    206:     $result =~ s/&\#122;/z/g;
                    207:     $result =~ s/&\#123;/\\{/g;
                    208:     $result =~ s/&\#124;/\|/g;
                    209:     $result =~ s/&\#125;/\\}/g;
                    210:     $result =~ s/&\#126;/\~/g;
                    211:     $result =~ s/&\#131;/\\textflorin /g;
                    212:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  213:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    214:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    215:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  216:     $result =~ s/&\#137;/\\textperthousand /g;
                    217:     $result =~ s/&\#140;/{\\OE}/g;
                    218:     $result =~ s/&\#147;/\`\`/g;
                    219:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  220:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.116     sakharuk  221:     $result =~ s/&\#150;/--/g;
                    222:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  223:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  224:     $result =~ s/&\#153;/\\texttrademark /g;
                    225:     $result =~ s/&\#156;/\\oe/g;
                    226:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  227:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  228:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    229:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    230:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    231:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    232:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    233:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    234:     $result =~ s/&(\#167|sect);/\\textsection /g;
                    235:     $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
                    236:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    237:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  238:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  239:     $result =~ s/&(\#173|shy);/ - /g;
                    240:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  241:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    242:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    243:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    244:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    245:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.116     sakharuk  246:     $result =~ s/&(\#180|acute);/\\textacute /g;
1.281     sakharuk  247:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  248:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  249:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  250:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  251:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  252:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    253:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    254:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    255:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    256:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    257:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    258:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    259:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    260:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    261:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    262:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    263:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    264:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    265:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    266:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    267:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    268:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    269:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    270:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    271:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    272:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    273:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    274:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    275:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    276:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    277:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    278:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  279:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  280:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    281:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    282:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    283:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    284:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    285:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  286:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  287:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    288:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    289:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    290:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    291:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    292:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    293:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    294:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    295:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    296:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    297:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    298:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    299:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    300:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    301:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    302:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  303:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  304:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    305:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    306:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    307:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    308:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    309:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  310:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  311:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    312:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    313:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    314:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    315:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    316:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    317:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.281     sakharuk  318:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk  319: #Greek Alphabet
1.281     sakharuk  320:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                    321:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                    322:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                    323:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                    324:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                    325:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                    326:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                    327:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                    328:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                    329:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                    330:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                    331:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                    332:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                    333:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk  334:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk  335:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                    336:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                    337:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                    338:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                    339:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                    340:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                    341:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                    342:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                    343:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                    344:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                    345:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk  346:     $result =~ s/&(Alpha|\#913);/A/g;
                    347:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk  348:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                    349:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk  350:     $result =~ s/&(Epsilon|\#917);/E/g;
                    351:     $result =~ s/&(Zeta|\#918);/Z/g;
                    352:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk  353:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk  354:     $result =~ s/&(Iota|\#921);/I/g;
                    355:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk  356:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk  357:     $result =~ s/&(Mu|\#924);/M/g;
                    358:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk  359:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk  360:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk  361:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk  362:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk  363:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk  364:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk  365:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                    366:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk  367:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk  368:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                    369:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk  370: #Arrows (extended HTML 4.01)
1.281     sakharuk  371:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                    372:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                    373:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                    374:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                    375:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                    376:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                    377:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                    378:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                    379:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                    380:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk  381: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk  382:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                    383:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                    384:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                    385:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                    386:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                    387:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                    388:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                    389:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                    390:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                    391:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                    392:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
                    393:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                    394:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                    395:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                    396:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                    397:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                    398:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                    399:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                    400:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                    401:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                    402:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                    403:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                    404:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                    405:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                    406:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                    407:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                    408:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                    409:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                    410:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                    411:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                    412:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                    413:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                    414:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                    415:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                    416:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                    417:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                    418:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk  419: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk  420:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk  421: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk  422:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                    423:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                    424:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                    425:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.37      sakharuk  426:     return $result;
                    427: }
1.41      sakharuk  428: 
                    429: 
1.327     albertel  430:                   #width, height, oddsidemargin, evensidemargin, topmargin
                    431: my %page_formats=
                    432:     ('letter' => {
                    433: 	 'book' => {
1.349     albertel  434: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
                    435: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
1.327     albertel  436: 	 },
                    437: 	 'album' => {
1.338     albertel  438: 	     '1' => [ '8.8 in', '6.8 in','-40 pt in',  '-60 pt','1 cm'],
1.327     albertel  439: 	     '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
                    440: 	 },
                    441:      },
                    442:      'legal' => {
                    443: 	 'book' => {
                    444: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    445: 	     '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
                    446: 	 },
                    447: 	 'album' => {
1.376     albertel  448: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    449:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel  450:           },
                    451:      },
                    452:      'tabloid' => {
                    453: 	 'book' => {
                    454: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                    455: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                    456: 	 },
                    457: 	 'album' => {
1.376     albertel  458: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                    459: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel  460:           },
                    461:      },
                    462:      'executive' => {
                    463: 	 'book' => {
                    464: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                    465: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                    466: 	 },
                    467: 	 'album' => {
                    468: 	     '1' => [],
                    469: 	     '2' => []
                    470:           },
                    471:      },
                    472:      'a2' => {
                    473: 	 'book' => {
                    474: 	     '1' => [],
                    475: 	     '2' => []
                    476: 	 },
                    477: 	 'album' => {
                    478: 	     '1' => [],
                    479: 	     '2' => []
                    480:           },
                    481:      },
                    482:      'a3' => {
                    483: 	 'book' => {
                    484: 	     '1' => [],
                    485: 	     '2' => []
                    486: 	 },
                    487: 	 'album' => {
                    488: 	     '1' => [],
                    489: 	     '2' => []
                    490:           },
                    491:      },
                    492:      'a4' => {
                    493: 	 'book' => {
                    494: 	     '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
                    495: 	     '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
                    496: 	 },
                    497: 	 'album' => {
                    498: 	     '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
                    499: 	     '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
                    500: 	 },
                    501:      },
                    502:      'a5' => {
                    503: 	 'book' => {
                    504: 	     '1' => [],
                    505: 	     '2' => []
                    506: 	 },
                    507: 	 'album' => {
                    508: 	     '1' => [],
                    509: 	     '2' => []
                    510:           },
                    511:      },
                    512:      'a6' => {
                    513: 	 'book' => {
                    514: 	     '1' => [],
                    515: 	     '2' => []
                    516: 	 },
                    517: 	 'album' => {
                    518: 	     '1' => [],
                    519: 	     '2' => []
                    520:           },
                    521:      },
                    522:      );
                    523: 
1.177     sakharuk  524: sub page_format {
1.140     sakharuk  525: #
1.326     sakharuk  526: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                    527: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                    528: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                    529: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                    530: #                        "A6 [105x148 mm]"
1.140     sakharuk  531: # 
                    532:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel  533:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk  534: }
1.76      sakharuk  535: 
                    536: 
1.126     albertel  537: sub get_name {
                    538:     my ($uname,$udom)=@_;
1.373     albertel  539:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                    540:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel  541:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel  542:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
                    543:     $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
                    544:     return $plainname;
1.126     albertel  545: }
                    546: 
1.213     albertel  547: sub get_course {
                    548:     my $courseidinfo;
1.373     albertel  549:     if (defined($env{'request.course.id'})) {
                    550: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.213     albertel  551:     }
                    552:     return $courseidinfo;
                    553: }
1.177     sakharuk  554: 
1.76      sakharuk  555: sub page_format_transformation {
1.312     sakharuk  556:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk  557:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.312     sakharuk  558:     if ($selectionmade eq '4') {
                    559: 	$assignment='Problems from the Whole Course';
                    560:     } else {
                    561: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                    562:     }
1.261     sakharuk  563:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.126     albertel  564:     my $name = &get_name();
1.213     albertel  565:     my $courseidinfo = &get_course();
                    566:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.319     sakharuk  567:     my $topmargintoinsert = '';
                    568:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk  569:     my $fancypagestatement='';
                    570:     if ($numberofcolumns eq '2') {
                    571: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
                    572:     } else {
                    573: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
                    574:     }
1.140     sakharuk  575:     if ($layout eq 'album') {
1.340     foxr      576: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk  577:     } elsif ($layout eq 'book') {
                    578: 	if ($choice ne 'All class print') { 
1.340     foxr      579: 	    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
1.140     sakharuk  580: 	} else {
1.340     foxr      581: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk  582: 	}
1.326     sakharuk  583: 	if ($papersize eq 'a4') {
1.319     sakharuk  584: 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
1.140     sakharuk  585: 	}
                    586:     }
1.214     sakharuk  587:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                    588:     if ($indexlist eq 'yes') {
                    589: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                    590: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                    591:     }
1.140     sakharuk  592:     return $text;
                    593: }
                    594: 
                    595: 
1.33      sakharuk  596: sub page_cleanup {
                    597:     my $result = shift;	
1.65      sakharuk  598:  
                    599:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk  600:     my $number_of_columns = $1;
1.33      sakharuk  601:     my $insert = '{';
1.34      sakharuk  602:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk  603:     $insert .= '}';
1.65      sakharuk  604:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk  605:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                    606:     return $result,$number_of_columns;
1.7       sakharuk  607: }
1.5       sakharuk  608: 
1.3       sakharuk  609: 
1.60      sakharuk  610: sub details_for_menu {
1.335     albertel  611:     my ($helper)=@_;
1.373     albertel  612:     my $postdata=$env{'form.postdata'};
1.335     albertel  613:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                    614:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                    615:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.233     www       616:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel  617:     $map=&Apache::lonnet::clutter($map);
1.269     albertel  618:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel  619:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel  620: 	$map =~ m|([^/]+)$|;
                    621: 	$name_of_sequence = $1;
1.63      albertel  622:     }
1.373     albertel  623:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel  624:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel  625: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel  626: 	$name_of_map = $1;
                    627:     }
1.335     albertel  628:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk  629: }
                    630: 
                    631: 
                    632: sub latex_corrections {
                    633: 
1.316     sakharuk  634:     my ($number_of_columns,$result,$selectionmade) = @_;
1.76      sakharuk  635: 
1.185     sakharuk  636: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76      sakharuk  637:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.316     sakharuk  638:     if ($selectionmade ne '1') {
                    639: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License  $1/;
                    640:     } else {
                    641: 	$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/;
                    642:     }
1.91      sakharuk  643:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                    644:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk  645: #-- LaTeX corrections     
                    646:     my $first_comment = index($result,'<!--',0);
                    647:     while ($first_comment != -1) {
                    648: 	my $end_comment = index($result,'-->',$first_comment);
                    649: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                    650: 	$first_comment = index($result,'<!--',$first_comment);
                    651:     }
                    652:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel  653:     #removes more than one empty space
                    654:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk  655:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                    656:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                    657:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk  658:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk  659:     #conversion of html characters to LaTeX equivalents
                    660:     if ($result =~ m/&(\w+|#\d+);/) {
                    661: 	$result = &character_chart($result);
                    662:     }
                    663:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                    664:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                    665: 
                    666:     return $result;
1.60      sakharuk  667: }
                    668: 
1.3       sakharuk  669: 
1.214     sakharuk  670: sub index_table {
                    671:     my $currentURL = shift;
                    672:     my $insex_string='';
                    673:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                    674:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                    675:     return $insex_string;
                    676: }
                    677: 
                    678: 
1.215     sakharuk  679: sub IndexCreation {
                    680:     my ($texversion,$currentURL)=@_;
                    681:     my @key_words=split(/,/,&index_table($currentURL));
                    682:     my $chunk='';
                    683:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                    684:     if ($st>0) {
                    685: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                    686: 	$chunk=substr($texversion,0,$st+1);
                    687: 	substr($texversion,0,$st+1)=' ';
                    688:     }
                    689:     foreach my $key_word (@key_words) {
                    690: 	if ($key_word=~/\S+/) {
                    691: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                    692: 	}
                    693:     }			
                    694:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                    695:     return $texversion;
                    696: }
                    697: 
1.242     sakharuk  698: sub print_latex_header {
                    699:     my $mode=shift;
                    700:     my $output='\documentclass[letterpaper]{article}';
1.373     albertel  701:     if (($mode eq 'batchmode') || (!$env{'request.role.adv'})) {
1.242     sakharuk  702: 	$output.='\batchmode';
                    703:     }
1.340     foxr      704:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
                    705: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
1.344     foxr      706: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
                    707: 	     '\usepackage{picins}\usepackage{calc}'."\n".
1.340     foxr      708: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
                    709: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
                    710: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
                    711: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
                    712: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    713: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
                    714: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
                    715: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
                    716: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
                    717: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
                    718: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
                    719: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    720: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1.242     sakharuk  721:     return $output;	     
                    722: }
                    723: 
                    724: sub path_to_problem {
1.328     albertel  725:     my ($urlp,$colwidth)=@_;
1.242     sakharuk  726:     my $newurlp = '';
1.328     albertel  727:     $colwidth=~s/\s*mm\s*$//;
                    728: #characters average about 2 mm in width
1.360     albertel  729:     if (length($urlp)*2 > $colwidth) {
1.328     albertel  730: 	my @elements = split '/',$urlp;
                    731: 	my $curlength=0;
                    732: 	foreach my $element (@elements) {
                    733: 	    if ($curlength+(length($element)*2) > $colwidth) {
                    734: 		$newurlp .=  '|\vskip -1 mm \noindent \verb|';
                    735: 		$curlength=0;
                    736: 	    } else {
                    737: 		$curlength+=length($element)*2;
1.242     sakharuk  738: 	    }
1.328     albertel  739: 	    $newurlp.='/'.$element;
1.242     sakharuk  740: 	}
1.253     sakharuk  741:     } else {
                    742: 	$newurlp=$urlp;
1.242     sakharuk  743:     }
                    744:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                    745: }
1.215     sakharuk  746: 
1.275     sakharuk  747: sub recalcto_mm {
                    748:     my $textwidth=shift;
                    749:     my $LaTeXwidth;
1.339     albertel  750:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk  751: 	$LaTeXwidth = $1*10;
1.339     albertel  752:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk  753: 	$LaTeXwidth = $1;
1.339     albertel  754:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk  755: 	$LaTeXwidth = $1*25.4;
                    756:     }
                    757:     $LaTeXwidth.=' mm';
                    758:     return $LaTeXwidth;
                    759: }
                    760: 
1.285     albertel  761: sub get_textwidth {
                    762:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel  763:     my $textwidth=$LaTeXwidth;
1.285     albertel  764:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                    765: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel  766: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                    767: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel  768:     }
1.286     albertel  769:     return $textwidth;
1.285     albertel  770: }
                    771: 
1.296     sakharuk  772: 
                    773: sub unsupported {
1.307     sakharuk  774:     my ($currentURL,$mode)=@_;
                    775:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk  776:     my $result.= &print_latex_header($mode);
1.301     sakharuk  777:     if ($currentURL=~/\/ext\//) {
1.296     sakharuk  778: 	$result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
                    779:     } else {
                    780: 	$result.=$currentURL;
                    781:     }
1.297     sakharuk  782:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk  783:     return $result;
                    784: }
                    785: 
                    786: 
1.363     foxr      787: #
                    788: #   Retrieve the hash of page breaks.
                    789: #
                    790: #  Inputs:
                    791: #    helper   - reference to helper object.
                    792: #  Outputs
                    793: #    A reference to a page break hash.
                    794: #
                    795: #
                    796: 
                    797: sub get_page_breaks  {
                    798:     my ($helper) = @_;
                    799:     my %page_breaks;
                    800:     
                    801:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                    802: 	$page_breaks{$break} = 1;
                    803:     }
                    804:     
1.364     albertel  805:     return %page_breaks;
1.363     foxr      806: }
                    807: 
1.177     sakharuk  808: sub output_data {
1.184     sakharuk  809:     my ($r,$helper,$rparmhash) = @_;
                    810:     my %parmhash = %$rparmhash;
1.361     albertel  811:     my $html=&Apache::lonxml::xmlbegin();
1.187     www       812:     my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
1.140     sakharuk  813:     $r->print(<<ENDPART);
1.361     albertel  814: $html
                    815: <head>
                    816: <script type="text/javascript" language="Javascript">
1.264     sakharuk  817:     var editbrowser;
                    818:     function openbrowser(formname,elementname,only,omit) {
                    819:         var url = '/res/?';
                    820:         if (editbrowser == null) {
                    821:             url += 'launch=1&';
                    822:         }
                    823:         url += 'catalogmode=interactive&';
                    824:         url += 'mode=parmset&';
                    825:         url += 'form=' + formname + '&';
                    826:         if (only != null) {
                    827:             url += 'only=' + only + '&';
                    828:         } 
                    829:         if (omit != null) {
                    830:             url += 'omit=' + omit + '&';
                    831:         }
                    832:         url += 'element=' + elementname + '';
                    833:         var title = 'Browser';
                    834:         var options = 'scrollbars=1,resizable=1,menubar=0';
                    835:         options += ',width=700,height=600';
                    836:         editbrowser = open(url,title,options,'1');
                    837:         editbrowser.focus();
                    838:     }
                    839: </script>
1.140     sakharuk  840: <title>LON-CAPA output for printing</title>
                    841: </head>
1.187     www       842: $bodytag
                    843: Please stand by while processing your print request, this may take some time ...
1.140     sakharuk  844: ENDPART
                    845: 
1.363     foxr      846: 
1.372     foxr      847: 
1.363     foxr      848:     # fetch the pagebreaks and store them in the course environment
                    849:     # The page breaks will be pulled into the hash %page_breaks which is
                    850:     # indexed by symb and contains 1's for each break.
                    851: 
1.373     albertel  852:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                    853:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr      854:     &Apache::loncommon::store_course_settings('print',
1.366     foxr      855: 					      {'pagebreaks'    => 'scalar',
                    856: 					       'lastprinttype' => 'scalar'});
1.363     foxr      857: 
1.364     albertel  858:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr      859: 
1.140     sakharuk  860:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                    861:     my ($result,$selectionmade) = ('','');
                    862:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                    863:     my @temporary_array=split /\|/,$format_from_helper;
                    864:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                    865:     if ($laystyle eq 'L') {
                    866: 	$laystyle='album';
                    867:     } else {
                    868: 	$laystyle='book';
                    869:     }
1.177     sakharuk  870:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel  871:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk  872:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk  873:     my @print_array=();
1.274     sakharuk  874:     my @student_names=();
1.360     albertel  875: 
                    876:     #  Common settings for the %form has:
                    877:     # In some cases these settings get overriddent by specific cases, but the
                    878:     # settings are common enough to make it worthwhile factoring them out
                    879:     # here.
                    880:     #
                    881:     my %form;
                    882:     $form{'grade_target'} = 'tex';
                    883:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.372     foxr      884: 
                    885:     # If form.showallfoils is set, then request all foils be shown:
                    886:     # privilege will be enforced both by not allowing the 
                    887:     # check box selecting this option to be presnt unless it's ok,
                    888:     # and by lonresponse's priv. check.
                    889:     # The if is here because lonresponse.pm only cares that
                    890:     # showallfoils is defined, not what the value is.
                    891: 
                    892:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                    893: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                    894:     }
                    895: 
1.140     sakharuk  896:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk  897:       #-- single document - problem, page, html, xml, ...
1.343     albertel  898: 	my ($currentURL,$cleanURL);
1.375     foxr      899: 
1.162     sakharuk  900: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk  901:             #prints published resource
1.153     sakharuk  902: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel  903: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk  904: 	} else {
1.185     sakharuk  905:             #prints resource from the construction space
1.240     albertel  906: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk  907: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel  908: 	    $cleanURL=$currentURL;
1.143     sakharuk  909: 	}
1.140     sakharuk  910: 	$selectionmade = 1;
1.343     albertel  911: 	if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel  912: 	    my $rndseed=time;
1.242     sakharuk  913: 	    my $texversion='';
                    914: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    915: 		my %moreenv;
1.343     albertel  916: 		$moreenv{'request.filename'}=$cleanURL;
1.265     sakharuk  917: 		if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                    918: 		    $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1.373     albertel  919: 		    my $dom = $env{'user.domain'};
                    920: 		    my $user = $env{'user.name'};
1.265     sakharuk  921: 		    my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
                    922: 		}
1.290     sakharuk  923:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk  924: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk  925: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk  926: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk  927: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                    928: 		if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.242     sakharuk  929: 		if ($helper->{'VARS'}->{'curseed'}) {
                    930: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                    931: 		}
                    932: 		$form{'rndseed'}=$rndseed;
                    933: 		&Apache::lonnet::appenv(%moreenv);
                    934: 		&Apache::lonnet::delenv('form.counter');
                    935: 		&Apache::lonxml::init_counter();
1.375     foxr      936: 		$resources_printed .= $currentURL.':';
1.275     sakharuk  937: 		$texversion.=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  938: 		&Apache::lonnet::delenv('form.counter');
                    939: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel  940: 	    }
1.242     sakharuk  941: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    942: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr      943: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel  944: 		$form{'grade_target'}='answer';
1.167     albertel  945: 		$form{'answer_output_mode'}='tex';
1.169     albertel  946: 		$form{'rndseed'}=$rndseed;
1.375     foxr      947: 		$resources_printed .= $currentURL.':';
1.166     albertel  948: 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk  949: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                    950: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                    951: 		} else {
                    952: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk  953: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                    954: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1.343     albertel  955: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk  956: 		    } else {
                    957: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel  958: 			my $URLpath=$cleanURL;
1.245     sakharuk  959: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                    960: 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                    961: 		    }
1.242     sakharuk  962: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                    963: 		}
1.163     sakharuk  964: 	    }
1.214     sakharuk  965: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk  966: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk  967: 	    }
1.219     sakharuk  968: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                    969: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                    970: 
                    971: 	    }
1.162     sakharuk  972: 	    $result .= $texversion;
                    973: 	    if ($currentURL=~m/\.page\s*$/) {
                    974: 		($result,$number_of_columns) = &page_cleanup($result);
                    975: 	    }
1.227     sakharuk  976:         } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
                    977:             #printing content of sequence from the construction space	
                    978: 	    my $flag_latex_header_remove = 'NO'; 
                    979: 	    my $rndseed=time;
1.231     albertel  980: 	    if ($helper->{'VARS'}->{'curseed'}) {
                    981: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                    982: 	    }
1.227     sakharuk  983: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                    984: 	    my $errtext=&Apache::lonratedt::mapread($currentURL);
                    985: 	    for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
                    986: 		$Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
                    987: 		my $urlp=$2;
                    988: 		if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.245     sakharuk  989: 		    my $texversion='';
                    990: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                    991: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk  992: 			$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.245     sakharuk  993: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                    994: 			$form{'rndseed'}=$rndseed;
1.375     foxr      995: 			$resources_printed .=$urlp.':';
1.245     sakharuk  996: 			$texversion=&Apache::lonnet::ssi($urlp,%form);
                    997: 		    }
1.249     sakharuk  998: 		    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                    999: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1000: 		       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1.380   ! foxr     1001: 			#  Don't permanently modify %$form...
        !          1002: 			my %answerform = %form;
        !          1003: 			$answerform{'grade_target'}='answer';
        !          1004: 			$answerform{'answer_output_mode'}='tex';
        !          1005: 			$answerform{'rndseed'}=$rndseed;
        !          1006: 			$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.373     albertel 1007:                         if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.375     foxr     1008: 			$resources_printed .= $urlp.':';
1.380   ! foxr     1009: 			my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.245     sakharuk 1010: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1011: 			    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1012: 			} else {
                   1013: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1014: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                   1015: 			    $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                   1016: 			    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1017: 			}
1.227     sakharuk 1018: 		    }
                   1019: 		    if ($flag_latex_header_remove ne 'NO') {
                   1020: 			$texversion = &latex_header_footer_remove($texversion);
                   1021: 		    } else {
                   1022: 			$texversion =~ s/\\end{document}//;
                   1023: 		    }
                   1024: 		    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1025: 			$texversion=&IndexCreation($texversion,$urlp);
                   1026: 		    }
1.232     sakharuk 1027: 		    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1.227     sakharuk 1028: 			$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1029: 		    }
                   1030: 		    $result.=$texversion;
                   1031: 		    $flag_latex_header_remove = 'YES';
                   1032: 		} elsif ($urlp=~/\.(sequence|page)$/) {
1.229     sakharuk 1033: 		    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1.227     sakharuk 1034: 		}  
                   1035: 	    }
1.228     sakharuk 1036: 	    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.227     sakharuk 1037: 	    $result .= '\end{document}';   
1.343     albertel 1038: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 1039: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 1040: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     1041: 		$resources_printed .= $currentURL.':';
1.258     sakharuk 1042: 		my $texversion=&Apache::lonnet::ssi($currentURL,%form);
                   1043: 		$result .= $texversion;
1.162     sakharuk 1044: 	} else {
1.307     sakharuk 1045: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1.162     sakharuk 1046: 	}
1.354     foxr     1047:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.142     sakharuk 1048:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     1049:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   1050: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.252     sakharuk 1051: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.141     sakharuk 1052:         #-- produce an output string
1.296     sakharuk 1053: 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
                   1054: 	    $selectionmade = 2;
                   1055: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                   1056: 	    $selectionmade = 3;
                   1057: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                   1058: 	    $selectionmade = 4;
1.354     foxr     1059: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   1060: 	    $selectionmade = 4;
1.296     sakharuk 1061: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   1062: 	    $selectionmade = 7;
                   1063: 	}
1.193     sakharuk 1064: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1065: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 1066: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1067: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1068: 	if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.141     sakharuk 1069: 	my $flag_latex_header_remove = 'NO';
                   1070: 	my $flag_page_in_sequence = 'NO';
                   1071: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 1072: 	my $prevassignment='';
1.270     sakharuk 1073: 	&Apache::lonnet::delenv('form.counter');
1.201     sakharuk 1074: 	&Apache::lonxml::init_counter();
1.141     sakharuk 1075: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     1076: 
                   1077: 	    # Note due to document structure, not allowed to put \newpage
                   1078: 	    # prior to the first resource
                   1079: 
1.351     foxr     1080: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     1081: 		if($i != 0) {
                   1082: 		    $result.="\\newpage\n";
                   1083: 		}
                   1084: 	    }
1.236     albertel 1085: 	    my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 1086: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 1087: 	    $form{'symb'}=$master_seq[$i];
1.236     albertel 1088: 	    my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
                   1089: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1.267     sakharuk 1090: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 1091: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 1092: 	    my $texversion='';
1.296     sakharuk 1093: 	    if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1094: 		$resources_printed .= $urlp.':';
1.297     sakharuk 1095: 		$texversion.=&Apache::lonnet::ssi($urlp,%form);
1.296     sakharuk 1096: 		if ($urlp=~/\.page$/) {
                   1097: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   1098: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   1099: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   1100: 		    $flag_page_in_sequence = 'YES';
                   1101: 		} 
                   1102: 		my $lonidsdir=$r->dir_config('lonIDsDir');
1.373     albertel 1103: 		my $envfile=$env{'user.environment'};
1.296     sakharuk 1104: 		$envfile=~/\/([^\/]+)\.id$/;
                   1105: 		$envfile=$1;
                   1106: 		&Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1.373     albertel 1107: 		my $current_counter=$env{'form.counter'};
1.296     sakharuk 1108: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1109: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380   ! foxr     1110: 		    #  Don't permanently pervert the %form hash
        !          1111: 		    my %answerform = %form;
        !          1112: 		    $answerform{'grade_target'}='answer';
        !          1113: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     1114: 		    $resources_printed .= $urlp.':';
1.380   ! foxr     1115: 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.296     sakharuk 1116: 		    &Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1117: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1118: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 1119: 		    } else {
1.307     sakharuk 1120: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 1121: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1122: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
                   1123: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1124: 			    $texversion.='\vskip 1 mm '.$answer;
                   1125: 			} else {
                   1126: 			    $texversion='';
                   1127: 			}
1.249     sakharuk 1128: 		    }
1.246     sakharuk 1129: 		}
1.296     sakharuk 1130: 		if ($flag_latex_header_remove ne 'NO') {
                   1131: 		    $texversion = &latex_header_footer_remove($texversion);
                   1132: 		} else {
                   1133: 		    $texversion =~ s/\\end{document}//;
                   1134: 		}
                   1135: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1136: 		    $texversion=&IndexCreation($texversion,$urlp);
                   1137: 		}
                   1138: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   1139: 		    my $name = &get_name();
                   1140: 		    my $courseidinfo = &get_course();
                   1141: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1142: 		    $prevassignment=$assignment;
1.334     albertel 1143: 		    $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1.296     sakharuk 1144: 		}
                   1145: 		$result .= $texversion;
                   1146: 		$flag_latex_header_remove = 'YES';   
1.301     sakharuk 1147: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
                   1148: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1149: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     1150: 		$resources_printed .= $urlp.':';
1.301     sakharuk 1151: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
                   1152: 		if ($flag_latex_header_remove ne 'NO') {
                   1153: 		    $texversion = &latex_header_footer_remove($texversion);
                   1154: 		} else {
                   1155: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   1156: 		}
                   1157: 		$result .= $texversion;
                   1158: 		$flag_latex_header_remove = 'YES'; 
1.141     sakharuk 1159: 	    } else {
1.307     sakharuk 1160: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1.297     sakharuk 1161: 		if ($flag_latex_header_remove ne 'NO') {
                   1162: 		    $texversion = &latex_header_footer_remove($texversion);
                   1163: 		} else {
                   1164: 		    $texversion =~ s/\\end{document}//;
                   1165: 		}
                   1166: 		$result .= $texversion;
                   1167: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 1168: 	    }	    
1.331     albertel 1169: 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
1.141     sakharuk 1170: 	}
                   1171: 	&Apache::lonnet::delenv('form.counter');
1.344     foxr     1172: 	if ($flag_page_in_sequence eq 'YES') {
                   1173: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   1174: 	}	
1.141     sakharuk 1175: 	$result .= '\end{document}';
1.284     albertel 1176:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
                   1177: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     1178: 
                   1179: 
1.150     sakharuk 1180:      #-- prints assignments for whole class or for selected students  
1.284     albertel 1181: 	 my $type;
1.254     sakharuk 1182: 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
                   1183: 	     $selectionmade=5;
1.284     albertel 1184: 	     $type='problems';
1.254     sakharuk 1185: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   1186: 	     $selectionmade=8;
1.284     albertel 1187: 	     $type='resources';
1.254     sakharuk 1188: 	 }
1.150     sakharuk 1189: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     1190: 	 #   The normal sort order is by section then by students within the
                   1191: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   1192: 	 #   to override this and output the students by name.
                   1193: 	 #    Each element of the students array is of the form:
                   1194: 	 #       username:domain:section:last, first:status
                   1195: 	 #    
                   1196: 	 #   
                   1197: 	 if ($helper->{'VARS'}->{'student_sort'}    eq 1) {
                   1198: 	     @students = sort compare_names  @students;
                   1199: 	 }
1.278     albertel 1200:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   1201: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   1202: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   1203: 	 }
1.150     sakharuk 1204: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     1205: 
1.150     sakharuk 1206: 	 #loop over students
                   1207: 	 my $flag_latex_header_remove = 'NO'; 
                   1208: 	 my %moreenv;
1.330     sakharuk 1209:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 1210: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 1211: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.353     foxr     1212: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     1213: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.309     sakharuk 1214: 	 if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1.318     albertel 1215: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 1216: 	 my $student_counter=-1;
1.150     sakharuk 1217: 	 foreach my $person (@students) {
1.350     foxr     1218: 
1.373     albertel 1219:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 1220: 	     if (-e $duefile) {
                   1221: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   1222: 		 print $temp_file "1969\n";
                   1223: 	     }
1.272     sakharuk 1224: 	     $student_counter++;
1.284     albertel 1225: 	     my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1.375     foxr     1226: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     1227: 						     $person,$type,
                   1228: 						     \%moreenv,\@master_seq,
1.360     albertel 1229: 						     $flag_latex_header_remove,
                   1230: 						     $LaTeXwidth);
1.375     foxr     1231: 	     $resources_printed .= ":";
1.284     albertel 1232: 	     $print_array[$i].=$output;
                   1233: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   1234: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   1235: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 1236: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1237: 	 }
                   1238: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1239: 	 $result .= $print_array[0].'  \end{document}';
                   1240:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   1241: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 1242: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   1243: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 1244: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   1245: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 1246: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.288     albertel 1247: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     1248: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.288     albertel 1249: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 1250: 	 my @allcodes;
                   1251: 	 if ($old_name) {
                   1252: 	     my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
                   1253: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 1254: 	     $num_todo=scalar(@allcodes);
1.292     albertel 1255: 	 } else {
                   1256: 	     my %allcodes;
1.299     albertel 1257: 	     srand($seed);
1.292     albertel 1258: 	     for (my $i=0;$i<$num_todo;$i++) {
                   1259: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
                   1260: 	     }
                   1261: 	     if ($code_name) {
                   1262: 		 &Apache::lonnet::put('CODEs',
                   1263: 				      {$code_name =>join(',',keys(%allcodes))},
                   1264: 				      $cdom,$cnum);
                   1265: 	     }
                   1266: 	     @allcodes=keys(%allcodes);
                   1267: 	 }
1.336     albertel 1268: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   1269: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
                   1270: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   1271: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   1272: 	     $number_per_page=$num_todo;
                   1273: 	 }
                   1274: 	 my $flag_latex_header_remove = 'NO'; 
                   1275: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 1276: 	 my $count=0;
1.292     albertel 1277: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 1278: 	     my $file_num=int($count/$number_per_page);
1.292     albertel 1279: 	     $moreenv{'CODE'}=&num_to_letters($code);
1.375     foxr     1280: 	     my ($output,$fullname, $printed)=
1.288     albertel 1281: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 1282: 				  \@master_seq,$flag_latex_header_remove,
                   1283: 				  $LaTeXwidth);
1.375     foxr     1284: 	     $resources_printed .= ":";
1.295     albertel 1285: 	     $print_array[$file_num].=$output;
1.288     albertel 1286: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   1287: 				       &mt('last assignment').' '.$fullname);
                   1288: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 1289: 	     $count++;
1.331     albertel 1290: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 1291: 	 }
                   1292: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1293: 	 $result .= $print_array[0].'  \end{document}';
                   1294:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 1295:     #prints selected problems from the subdirectory 
                   1296: 	$selectionmade = 6;
                   1297:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 1298: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 1299: 	my $flag_latex_header_remove = 'NO'; 
                   1300: 	my $rndseed=time;
1.230     albertel 1301: 	if ($helper->{'VARS'}->{'curseed'}) {
                   1302: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1303: 	}
1.151     sakharuk 1304: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.152     sakharuk 1305: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 1306: 	    $urlp=~s|//|/|;
1.152     sakharuk 1307: 	    if ($urlp=~/\//) {
1.353     foxr     1308: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 1309: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 1310: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   1311: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   1312: 		} else {
1.302     sakharuk 1313: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 1314: 		}
1.375     foxr     1315: 		$resources_printed .= $urlp.':';
1.166     albertel 1316: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1317: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 1318: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380   ! foxr     1319: 		    #  Don't permanently pervert %form:
        !          1320: 		    my %answerform = %form;
        !          1321: 		    $answerform{'grade_target'}='answer';
        !          1322: 		    $answerform{'answer_output_mode'}='tex';
        !          1323: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
        !          1324: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     1325: 		    $resources_printed .= $urlp.':';
1.380   ! foxr     1326: 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.251     sakharuk 1327: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1328: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1329: 		    } else {
1.253     sakharuk 1330: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1331: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1332: 			    $texversion.='\vskip 0 mm \noindent ';
                   1333: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1334: 			} else {
                   1335: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1336: 			    my $URLpath=$urlp;
                   1337: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1338: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1339: 			}
                   1340: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 1341: 		    }
1.174     sakharuk 1342: 		}
1.151     sakharuk 1343:                 #this chunck is responsible for printing the path to problem
1.253     sakharuk 1344: 		my $newurlp=$urlp;
                   1345: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   1346: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 1347: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 1348: 		if ($flag_latex_header_remove ne 'NO') {
                   1349: 		    $texversion = &latex_header_footer_remove($texversion);
                   1350: 		} else {
                   1351: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 1352: 		}
                   1353: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1354: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 1355: 		}
1.219     sakharuk 1356: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1357: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1358: 		    
                   1359: 		}
1.152     sakharuk 1360: 		$result .= $texversion;
                   1361: 	    }
                   1362: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 1363: 	}
1.175     sakharuk 1364: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 1365: 	$result .= '\end{document}';      	
1.140     sakharuk 1366:     }
                   1367: #-------------------------------------------------------- corrections for the different page formats
1.312     sakharuk 1368:     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1.316     sakharuk 1369:     $result = &latex_corrections($number_of_columns,$result,$selectionmade);
                   1370:     for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1.190     sakharuk 1371:     #changes page's parameters for the one column output 
1.195     sakharuk 1372:     if ($numberofcolumns == 1) {
1.339     albertel 1373: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   1374: 	$result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   1375: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1376: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.195     sakharuk 1377:     }
1.367     foxr     1378: 
1.140     sakharuk 1379: #-- writing .tex file in prtspool 
                   1380:     my $temp_file;
1.277     albertel 1381:     my $identifier = &Apache::loncommon::get_cgi_id();
1.379     foxr     1382:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1.277     albertel 1383:     if (!($#print_array>0)) { 
                   1384: 	unless ($temp_file = Apache::File->new('>'.$filename)) {
                   1385: 	    $r->log_error("Couldn't open $filename for output $!");
                   1386: 	    return SERVER_ERROR; 
                   1387: 	}
                   1388: 	print $temp_file $result;
                   1389: 	my $begin=index($result,'\begin{document}',0);
                   1390: 	my $inc=substr($result,0,$begin+16);
                   1391:     } else {
                   1392: 	my $begin=index($result,'\begin{document}',0);
                   1393: 	my $inc=substr($result,0,$begin+16);
                   1394:         for (my $i=0;$i<=$#print_array;$i++) {
                   1395: 	    if ($i==0) {
                   1396: 		$print_array[$i]=$result;
                   1397: 	    } else {
                   1398: 		my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   1399: 		substr($print_array[$i],0,$anobegin)='';
                   1400: 		$print_array[$i]=$inc.$print_array[$i].'\end{document}';
                   1401: 	    }
1.272     sakharuk 1402: 	    my $temp_file;
1.273     sakharuk 1403: 	    my $newfilename=$filename;
1.277     albertel 1404: 	    my $num=$i+1;
1.379     foxr     1405: 	    $newfilename =~s/\.tex$//; 
                   1406: 	    $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1.272     sakharuk 1407: 	    unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   1408: 		$r->log_error("Couldn't open $newfilename for output $!");
                   1409: 		return SERVER_ERROR; 
                   1410: 	    }
                   1411: 	    print $temp_file $print_array[$i];
                   1412: 	}
                   1413:     }
1.274     sakharuk 1414:     my $student_names='';
                   1415:     if ($#print_array>0) {
                   1416: 	for (my $i=0;$i<=$#print_array;$i++) {
                   1417: 	    $student_names.=$student_names[$i].'_ENDPERSON_';
                   1418: 	}
1.277     albertel 1419:     } else {
1.278     albertel 1420: 	if ($#student_names>-1) {
                   1421: 	    $student_names=$student_names[0].'_ENDPERSON_';
                   1422: 	} else {
1.373     albertel 1423: 	    my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   1424: 	    $student_names=join(':',$env{'user.name'},$env{'user.domain'},
                   1425: 				$env{'request.course.sec'},$fullname).
1.278     albertel 1426: 				    '_ENDPERSON_'.'_END_';
                   1427: 	}
1.274     sakharuk 1428:     }
                   1429: 
1.276     sakharuk 1430:     my $URLback=''; #link to original document
                   1431:     if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1432: 	#prints published resource
1.342     albertel 1433: 	$URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1.276     sakharuk 1434:     } else {
                   1435: 	#prints resource from the construction space
                   1436: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 1437: 	if ($URLback=~/([^?]+)/) {
                   1438: 	    $URLback=$1;
                   1439: 	    $URLback=~s|^/~|/priv/|;
                   1440: 	}
1.276     sakharuk 1441:     }
1.375     foxr     1442:     # logic for now is too complex to trace if this has been defined
                   1443:     #  yet.
                   1444:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   1445:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1.257     sakharuk 1446:     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                   1447:                             'cgi.'.$identifier.'.layout'  => $laystyle,
                   1448:                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
1.303     sakharuk 1449: 			    'cgi.'.$identifier.'.paper'  => $papersize,
1.257     sakharuk 1450:                             'cgi.'.$identifier.'.selection' => $selectionmade,
1.375     foxr     1451: 			    'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   1452: 			    'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   1453: 			    'cgi.'.$identifier.'.role' => $env{'request.role.adv'},
                   1454:                             'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   1455:                             'cgi.'.$identifier.'.studentnames' => $student_names,
                   1456:                             'cgi.'.$identifier.'.backref' => $URLback,);
                   1457:     &Apache::lonnet::appenv("cgi.$identifier.user"    => $env{'user.name'},
                   1458: 			    "cgi.$identifier.domain"  => $env{'user.domain'},
                   1459: 			    "cgi.$identifier.courseid" => $cnum, 
                   1460: 			    "cgi.$identifier.coursedom" => $cdom, 
                   1461: 			    "cgi.$identifier.resources" => $resources_printed);
                   1462: 
1.140     sakharuk 1463: $r->print(<<FINALEND);
1.317     albertel 1464: <br />
1.288     albertel 1465: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.317     albertel 1466: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1.140     sakharuk 1467: </body>
                   1468: </html>
                   1469: FINALEND
                   1470: }
                   1471: 
1.288     albertel 1472: sub num_to_letters {
                   1473:     my ($num) = @_;
                   1474:     my @nums= split('',$num);
                   1475:     my @num_to_let=('A'..'Z');
                   1476:     my $word;
                   1477:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                   1478:     return $word;
                   1479: }
                   1480: 
                   1481: sub get_CODE {
                   1482:     my ($all_codes,$num,$seed,$size)=@_;
                   1483:     my $max='1'.'0'x$size;
                   1484:     my $newcode;
                   1485:     while(1) {
1.293     albertel 1486: 	$newcode=sprintf("%06d",int(rand($max)));
1.288     albertel 1487: 	if (!exists($$all_codes{$newcode})) {
                   1488: 	    $$all_codes{$newcode}=1;
                   1489: 	    return &num_to_letters($newcode);
                   1490: 	}
                   1491:     }
                   1492: }
1.140     sakharuk 1493: 
1.284     albertel 1494: sub print_resources {
1.360     albertel 1495:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
                   1496: 	$LaTeXwidth)=@_;
1.284     albertel 1497:     my $current_output = ''; 
1.375     foxr     1498:     my $printed = '';
1.284     albertel 1499:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   1500:     my $fullname = &get_name($username,$userdomain);
1.323     sakharuk 1501:     my $namepostfix;
1.288     albertel 1502:     if ($person =~ 'anon') {
1.323     sakharuk 1503: 	$namepostfix="\\\\Name: ";
1.288     albertel 1504: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   1505:     }
1.350     foxr     1506:     my $i           = 0;
1.284     albertel 1507:     #goes through all resources, checks if they are available for 
                   1508:     #current student, and produces output   
                   1509:     &Apache::lonnet::delenv('form.counter');
                   1510:     &Apache::lonxml::init_counter();
1.363     foxr     1511: 
1.364     albertel 1512:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1513: 
1.284     albertel 1514:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     1515: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     1516: 	    if($i != 0) {
                   1517: 		$current_output.= "\\newpage\n";
                   1518: 	    }
                   1519: 	}
                   1520: 	$i++;
1.284     albertel 1521: 	if ( !($type eq 'problems' && 
                   1522: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   1523: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   1524: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.305     sakharuk 1525: 		if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1526: 		    $printed .= $curresline.':';
1.373     albertel 1527: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.305     sakharuk 1528: 		    my $lonidsdir=$r->dir_config('lonIDsDir');
1.373     albertel 1529: 		    my $envfile=$env{'user.environment'};
1.305     sakharuk 1530: 		    $envfile=~/\/([^\/]+)\.id$/;
                   1531: 		    $envfile=$1;
                   1532: 		    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1.373     albertel 1533: 		    my $current_counter=$env{'form.counter'};
1.305     sakharuk 1534: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1535: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380   ! foxr     1536: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
        !          1537: 			my %answerenv = %{$moreenv};
        !          1538: 			$answerenv{'answer_output_mode'}='tex';
        !          1539: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
        !          1540: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.305     sakharuk 1541: 			&Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1542: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1543: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   1544: 			} else {
                   1545: 			    $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1546: 			    $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
                   1547: 			    $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
                   1548: 			    $rendered.='\vskip 1 mm '.$ansrendered;
                   1549: 			}
                   1550: 		    }
                   1551: 		    if ($remove_latex_header eq 'YES') {
                   1552: 			$rendered = &latex_header_footer_remove($rendered);
                   1553: 		    } else {
                   1554: 			$rendered =~ s/\\end{document}//;
                   1555: 		    }
                   1556: 		    $current_output .= $rendered;		    
                   1557: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.375     foxr     1558: 		    $printed .= $curresline.':';
1.373     albertel 1559: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.305     sakharuk 1560: 		    my $lonidsdir=$r->dir_config('lonIDsDir');
1.373     albertel 1561: 		    my $envfile=$env{'user.environment'};
1.305     sakharuk 1562: 		    $envfile=~/\/([^\/]+)\.id$/;
                   1563: 		    $envfile=$1;
                   1564: 		    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1.373     albertel 1565: 		    my $current_counter=$env{'form.counter'};
1.305     sakharuk 1566: 		    if ($remove_latex_header eq 'YES') {
                   1567: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 1568: 		    } else {
1.305     sakharuk 1569: 			$rendered =~ s/\\end{document}//;
1.284     albertel 1570: 		    }
1.305     sakharuk 1571: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.284     albertel 1572: 		} else {
1.307     sakharuk 1573: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1.305     sakharuk 1574: 		    if ($remove_latex_header ne 'NO') {
                   1575: 			$rendered = &latex_header_footer_remove($rendered);
                   1576: 		    } else {
                   1577: 			$rendered =~ s/\\end{document}//;
                   1578: 		    }
                   1579: 		    $current_output .= $rendered;
1.284     albertel 1580: 		}
                   1581: 	    }
                   1582: 	    $remove_latex_header = 'YES';
                   1583: 	}
1.331     albertel 1584: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1585:     }
                   1586:     my $courseidinfo = &get_course();
                   1587:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1588:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
                   1589:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
                   1590:     if ($current_output=~/\\documentclass/) {
1.334     albertel 1591: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1.284     albertel 1592:     } else {
                   1593: 	my $blankpages = '';
                   1594: 	for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1.334     albertel 1595: 	$current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}'.$namepostfix.'}} \vskip 5 mm '.$current_output;
1.284     albertel 1596:     }
1.375     foxr     1597:     return ($current_output,$fullname, $printed);
1.284     albertel 1598: 
                   1599: }
1.140     sakharuk 1600: 
1.3       sakharuk 1601: sub handler {
                   1602: 
                   1603:     my $r = shift;
1.131     bowersj2 1604:     my $helper;
1.114     bowersj2 1605: 
1.150     sakharuk 1606: #    my $loaderror=&Apache::lonnet::overloaderror($r);
                   1607: #    if ($loaderror) { return $loaderror; }
                   1608: #    $loaderror=
                   1609: #       &Apache::lonnet::overloaderror($r,
1.373     albertel 1610: #         $env{'course.'.$env{'request.course.id'}.'.home'});
1.150     sakharuk 1611: #    if ($loaderror) { return $loaderror; }
1.67      www      1612: 
1.177     sakharuk 1613:     my $result = printHelper($r);
                   1614:     if (!ref($result)) {
                   1615: 	return $result;
1.60      sakharuk 1616:     }
1.177     sakharuk 1617:     $helper = $result;
                   1618:    
                   1619: #	my $key; 
                   1620: #	foreach $key (keys %{$helper->{'VARS'}}) {
                   1621: #	    $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
                   1622: #	}
1.373     albertel 1623: #	foreach $key (keys %env) {
                   1624: #	    $r->print(' '.$key.'->'.$env{$key}.'<-<br />');
1.264     sakharuk 1625: #	}
1.177     sakharuk 1626: #	return OK;
1.184     sakharuk 1627: 
1.373     albertel 1628:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     1629:  
1.207     sakharuk 1630: #	my $key; 
1.200     sakharuk 1631: #	foreach $key (keys %parmhash) {
                   1632: #	    $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
                   1633: #	}
1.353     foxr     1634: #
1.350     foxr     1635: 
                   1636: 
1.367     foxr     1637:     #  If a figure conversion queue file exists for this user.domain
                   1638:     # we delete it since it can only be bad (if it were good, printout.pl
                   1639:     # would have deleted it the last time around.
                   1640: 
1.373     albertel 1641:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     1642:     if(-e $conversion_queuefile) {
                   1643: 	unlink $conversion_queuefile;
                   1644:     }
1.184     sakharuk 1645:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 1646:     return OK;
1.60      sakharuk 1647: } 
1.2       sakharuk 1648: 
1.131     bowersj2 1649: use Apache::lonhelper;
1.130     sakharuk 1650: 
1.223     bowersj2 1651: sub addMessage {
                   1652:     my $text = shift;
                   1653:     my $paramHash = Apache::lonhelper::getParamHash();
                   1654:     $paramHash->{MESSAGE_TEXT} = $text;
                   1655:     Apache::lonhelper::message->new();
                   1656: }
                   1657: 
1.238     bowersj2 1658: use Data::Dumper;
                   1659: 
1.131     bowersj2 1660: sub printHelper {
1.115     bowersj2 1661:     my $r = shift;
                   1662: 
                   1663:     if ($r->header_only) {
1.373     albertel 1664:         if ($env{'browser.mathml'}) {
1.241     www      1665:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 1666:         } else {
1.241     www      1667:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 1668:         }
                   1669:         $r->send_http_header;
                   1670:         return OK;
1.115     bowersj2 1671:     }
                   1672: 
1.131     bowersj2 1673:     # Send header, nocache
1.373     albertel 1674:     if ($env{'browser.mathml'}) {
1.241     www      1675:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 1676:     } else {
1.241     www      1677:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 1678:     }
                   1679:     &Apache::loncommon::no_cache($r);
                   1680:     $r->send_http_header;
                   1681:     $r->rflush();
                   1682: 
1.131     bowersj2 1683:     # Unfortunately, this helper is so complicated we have to
                   1684:     # write it by hand
                   1685: 
                   1686:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   1687:     
1.176     bowersj2 1688:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 1689:     $helper->declareVar('symb');
1.156     bowersj2 1690:     $helper->declareVar('postdata');    
1.290     sakharuk 1691:     $helper->declareVar('curseed'); 
                   1692:     $helper->declareVar('probstatus');   
1.156     bowersj2 1693:     $helper->declareVar('filename');
                   1694:     $helper->declareVar('construction');
1.178     sakharuk 1695:     $helper->declareVar('assignment');
1.262     sakharuk 1696:     $helper->declareVar('style_file');
1.340     foxr     1697:     $helper->declareVar('student_sort');
1.363     foxr     1698:     $helper->declareVar('FINISHPAGE');
1.366     foxr     1699:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     1700:     $helper->declareVar("showallfoils");
1.363     foxr     1701: 
                   1702:     #  The page breaks can get loaded initially from the course environment:
1.366     foxr     1703: 
1.373     albertel 1704:     if((!defined($env{"form.CURRENT_STATE"}))  ||
                   1705:        ($env{'form.CURRENT_STATE'} == "START")) {
1.366     foxr     1706: 	$helper->{VARS}->{FINISHPAGE} = ""; # In case they did a back e.g.
                   1707:     }
                   1708: 
                   1709: 
1.363     foxr     1710:     
                   1711:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     1712: 						{'pagebreaks'  => 'scalar',
                   1713: 					         'lastprinttype' => 'scalar'});
1.363     foxr     1714: 
1.366     foxr     1715:     
1.373     albertel 1716:     if("$helper->{VARS}->{PRINT_TYPE}" eq "$env{'form.lastprinttype'}") {
                   1717: 	$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.366     foxr     1718:     }
                   1719:     
1.131     bowersj2 1720:     
                   1721:     # This will persistently load in the data we want from the
                   1722:     # very first screen.
1.156     bowersj2 1723:     # Detect whether we're coming from construction space
1.373     albertel 1724:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 1725:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 1726:         $helper->{VARS}->{'construction'} = 1;
                   1727:     } else {
1.373     albertel 1728:         if ($env{'form.postdata'}) {
                   1729:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.156     bowersj2 1730:         }
1.373     albertel 1731:         if ($env{'form.symb'}) {
                   1732:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 1733:         }
1.373     albertel 1734:         if ($env{'form.url'}) {
1.156     bowersj2 1735:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   1736:         }
1.157     bowersj2 1737:     }
1.156     bowersj2 1738: 
1.373     albertel 1739:     if ($env{'form.symb'}) {
                   1740:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 1741:     }
1.373     albertel 1742:     if ($env{'form.url'}) {
1.140     sakharuk 1743:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 1744: 
1.140     sakharuk 1745:     }
1.343     albertel 1746:     $helper->{VARS}->{'symb'}=
                   1747: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 1748:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 1749:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140     sakharuk 1750: 
1.156     bowersj2 1751:     
1.146     bowersj2 1752:     # Extract map
                   1753:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 1754:     my ($map, $id, $url);
                   1755:     my $subdir;
                   1756: 
                   1757:     # Get the resource name from construction space
                   1758:     if ($helper->{VARS}->{'construction'}) {
                   1759:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   1760:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   1761:         $subdir = substr($helper->{VARS}->{'filename'},
                   1762:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
                   1763:     } else {
1.233     www      1764:         ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.343     albertel 1765:         $helper->{VARS}->{'postdata'} = 
                   1766: 	    &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1.146     bowersj2 1767: 
1.156     bowersj2 1768:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 1769:             my $postdata = $helper->{VARS}->{'postdata'};
                   1770:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 1771:         }
                   1772:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 1773:     }
1.373     albertel 1774:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   1775: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 1776:     }
1.373     albertel 1777:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   1778: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
1.290     sakharuk 1779:     }
1.115     bowersj2 1780: 
1.192     bowersj2 1781:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1.373     albertel 1782:     my $userPriviledged = ($env{'request.role'}=~m/^cc\./ or
                   1783: 			   $env{'request.role'}=~m/^in\./ or
                   1784: 			   $env{'request.role'}=~m/^ta\./);
1.192     bowersj2 1785: 
1.131     bowersj2 1786:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 1787: 
1.131     bowersj2 1788:     # "Delete everything after the last slash."
1.119     bowersj2 1789:     $subdir =~ s|/[^/]+$||;
1.162     sakharuk 1790:     if (not $helper->{VARS}->{'construction'}) {
1.302     sakharuk 1791: 	$subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1.153     sakharuk 1792:     }
1.189     bowersj2 1793:     # "Remove all duplicate slashes."
                   1794:     $subdir =~ s|/+|/|g;
1.119     bowersj2 1795: 
1.131     bowersj2 1796:     # What can be printed is a very dynamic decision based on
                   1797:     # lots of factors. So we need to dynamically build this list.
                   1798:     # To prevent security leaks, states are only added to the wizard
                   1799:     # if they can be reached, which ensures manipulating the form input
                   1800:     # won't allow anyone to reach states they shouldn't have permission
                   1801:     # to reach.
                   1802: 
                   1803:     # printChoices is tracking the kind of printing the user can
                   1804:     # do, and will be used in a choices construction later.
                   1805:     # In the meantime we will be adding states and elements to
                   1806:     # the helper by hand.
                   1807:     my $printChoices = [];
                   1808:     my $paramHash;
1.130     sakharuk 1809: 
1.240     albertel 1810:     if ($resourceTitle) {
1.291     sakharuk 1811:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 1812:     }
                   1813: 
1.238     bowersj2 1814:     # Useful filter strings
1.287     albertel 1815:     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1.238     bowersj2 1816:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.287     albertel 1817:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
                   1818:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 1819:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   1820:     my $isMap = '$res->is_map()';
1.342     albertel 1821:     my $symbFilter = '$res->shown_symb()';
                   1822:     my $urlValue = '$res->link()';
1.238     bowersj2 1823: 
                   1824:     $helper->declareVar('SEQUENCE');
                   1825: 
                   1826:     # Useful for debugging: Dump the help vars
1.366     foxr     1827: #    $r->print(Dumper($helper->{VARS}));
                   1828: #    $r->print($map);
1.238     bowersj2 1829: 
1.131     bowersj2 1830:     # If we're in a sequence...
1.235     bowersj2 1831:     if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.350     foxr     1832: 
1.243     bowersj2 1833: 	$helper->{VARS}->{'postdata'} &&
                   1834: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 1835:         # Allow problems from sequence
1.291     sakharuk 1836:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 1837:         # Allow all resources from sequence
1.291     sakharuk 1838:         push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130     sakharuk 1839: 
1.131     bowersj2 1840:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 1841:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
                   1842:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1843:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1844:               closeallpages="1">
1.144     bowersj2 1845:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1846:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 1847:       <mapurl>$map</mapurl>
1.238     bowersj2 1848:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1849:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 1850:       </resource>
                   1851:     </state>
                   1852: 
1.155     sakharuk 1853:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
                   1854:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1855:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1856:               closeallpages="1">
1.144     bowersj2 1857:       <nextstate>PAGESIZE</nextstate>
1.145     bowersj2 1858:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 1859:       <mapurl>$map</mapurl>
1.238     bowersj2 1860:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1861:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 1862:       </resource>
                   1863:     </state>
                   1864: HELPERFRAGMENT
1.121     bowersj2 1865: 
1.326     sakharuk 1866: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 1867:     }
                   1868: 
1.354     foxr     1869:     # If the user is privileged, allow them to print all 
                   1870:     # problems and resources  in the entier course, optionally for selected students
1.306     sakharuk 1871:     if ($userPriviledged && 
                   1872:         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.350     foxr     1873: 
1.254     sakharuk 1874:         push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1.354     foxr     1875: 	push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
1.284     albertel 1876:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 1877:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
                   1878:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1879:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   1880: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 1881:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1882:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 1883:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 1884:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1885:       <option text='Newpage' variable='FINISHPAGE' />
1.284     albertel 1886:     </resource>
                   1887:   </state>
1.354     foxr     1888:   <state name="ALL_RESOURCES" title="Select Resource(s) to print">
                   1889:     <message>(Mark them then click "next" button) <br /> </message>
                   1890:     <resource variable="RESOURCES" toponly='0' multichoice='1'
                   1891:               suppressEmptySequences='0' addstatus='1' closeallpages='1'>
                   1892:       <nextstate>PAGESIZE</nextstate>
                   1893:       <filterfunc>return $isNotMap; </filterfunc>
                   1894:       <valuefunc>return $symbFilter;</valuefunc>
                   1895:       <option text='NewPage' variable='FINISHPAGE' />
                   1896:     </resource>
                   1897:   </state>
1.284     albertel 1898: ALL_PROBLEMS
1.132     bowersj2 1899: 
1.284     albertel 1900: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 1901: 	    push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
                   1902: 	    push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 1903: 	}
                   1904: 	my $resource_selector=<<RESOURCE_SELECTOR;
                   1905:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 1906:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   1907:               closeallpages="1">
1.254     sakharuk 1908:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 1909:       <mapurl>$map</mapurl>
1.254     sakharuk 1910:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1911:       <option text='New Page' variable='FINISHPAGE' />
1.147     bowersj2 1912:       </resource>
1.155     sakharuk 1913:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 1914:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 1915:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1916:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1917:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1918:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 1919:     </choices>
                   1920:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   1921:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   1922: RESOURCE_SELECTOR
                   1923: 
                   1924:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   1925:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1.370     foxr     1926:       <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
1.352     foxr     1927:       <message><b>Select sort order</b> </message>
1.340     foxr     1928:     <choices variable='student_sort'>
                   1929:       <choice computer='0'>Sort by section then student</choice>
                   1930:       <choice computer='1'>Sort by students across sections.</choice>
                   1931:     </choices>
1.284     albertel 1932:     $resource_selector
                   1933:   </state>
1.131     bowersj2 1934: CHOOSE_STUDENTS
1.292     albertel 1935: 
1.373     albertel 1936: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   1937: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 1938:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   1939: 	my $namechoice='<choice></choice>';
1.337     albertel 1940: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 1941: 	    if ($name =~ /^error: 2 /) { next; }
1.292     albertel 1942: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   1943: 	}
1.284     albertel 1944:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
                   1945:   <state name="CHOOSE_ANON1" title="Select Students and Resources">
1.288     albertel 1946:     <nextstate>PAGESIZE</nextstate>
1.362     albertel 1947:     <message><hr width='33%' /></message>
                   1948:     <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
                   1949:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   1950:        <validator>
                   1951: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                   1952: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
                   1953: 	    return "You need to specify the number of assignments to print";
                   1954: 	}
                   1955: 	return undef;
                   1956:        </validator>
                   1957:     </string>
                   1958:     <message></td></tr><tr><td></message>
                   1959:     <message><b>Names to store the CODEs under for later:</b></message>
                   1960:     <message></td><td></message>
1.288     albertel 1961:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1.362     albertel 1962:     <message></td></tr></table></message>
1.292     albertel 1963:     <message><hr width='33%' /></message>
                   1964:     <message><b>Reprint a set of saved CODEs:</b></message>
                   1965:     <dropdown variable="REUSE_OLD_CODES">
                   1966:         $namechoice
                   1967:     </dropdown>
1.284     albertel 1968:     <message><hr width='33%' /></message>
                   1969:     $resource_selector
                   1970:   </state>
                   1971: CHOOSE_ANON1
1.254     sakharuk 1972: 
1.272     sakharuk 1973: 
1.254     sakharuk 1974: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 1975: 	    push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
                   1976: 	    push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'resources_for_anon', 'CHOOSE_ANON2'];
1.254     sakharuk 1977: 	}
1.284     albertel 1978: 	    
                   1979: 
                   1980: 	$resource_selector=<<RESOURCE_SELECTOR;
1.254     sakharuk 1981:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 1982:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   1983:               closeallpages="1">
1.254     sakharuk 1984:       <filterfunc>return $isNotMap;</filterfunc>
                   1985:       <mapurl>$map</mapurl>
                   1986:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1987:       <option text='Newpage' variable='FINISHPAGE' />
1.254     sakharuk 1988:       </resource>
                   1989:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   1990:     <choices variable="EMPTY_PAGES">
                   1991:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   1992:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   1993:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   1994:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 1995:     </choices>
                   1996:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   1997:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   1998: RESOURCE_SELECTOR
                   1999: 
                   2000: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   2001:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.370     foxr     2002:     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
1.340     foxr     2003:     <choices variable='student_sort'>
                   2004:       <choice computer='0'>Sort by section then student</choice>
                   2005:       <choice computer='1'>Sort by students across sections.</choice>
                   2006:     </choices>
                   2007: 
1.284     albertel 2008:     $resource_selector
1.254     sakharuk 2009:     </state>
                   2010: CHOOSE_STUDENTS1
                   2011: 
1.284     albertel 2012: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
                   2013:   <state name="CHOOSE_ANON2" title="Select Students and Resources">
1.294     albertel 2014:     <nextstate>PAGESIZE</nextstate>
1.362     albertel 2015:     <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
                   2016:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2017:        <validator>
                   2018: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                   2019: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
                   2020: 	    return "You need to specify the number of assignments to print";
                   2021: 	}
                   2022: 	return undef;
                   2023:        </validator>
                   2024:     </string>
                   2025:     <message></td></tr><tr><td></message>
                   2026:     <message><b>Names to store the CODEs under for later:</b></message>
                   2027:     <message></td><td></message>
1.294     albertel 2028:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1.362     albertel 2029:     <message></td></tr></table></message>
1.294     albertel 2030:     <message><hr width='33%' /></message>
                   2031:     <message><b>Reprint a set of saved CODEs:</b></message>
                   2032:     <dropdown variable="REUSE_OLD_CODES">
                   2033:         $namechoice
                   2034:     </dropdown>
1.284     albertel 2035:     <message><hr width='33%' /></message>
                   2036:     $resource_selector
                   2037:   </state>
                   2038: CHOOSE_ANON2
1.121     bowersj2 2039:     }
                   2040: 
                   2041:     # FIXME: That RE should come from a library somewhere.
1.373     albertel 2042:     if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $env{'request.role.adv'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
1.291     sakharuk 2043:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238     bowersj2 2044: 
1.131     bowersj2 2045:         my $f = '$filename';
1.139     bowersj2 2046:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155     sakharuk 2047:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
                   2048:     <message>(mark them then click "next" button) <br /></message>
1.138     bowersj2 2049:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 2050:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 2051:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 2052: CHOOSE_FROM_SUBDIR
                   2053:         
1.238     bowersj2 2054:         # this is broken up because I really want interpolation above,
                   2055:         # and I really DON'T want it below
1.139     bowersj2 2056:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 2057:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   2058: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 2059:       </filefilter>
1.138     bowersj2 2060:       </files>
1.131     bowersj2 2061:     </state>
                   2062: CHOOSE_FROM_SUBDIR
1.139     bowersj2 2063:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 2064:     }
1.238     bowersj2 2065: 
                   2066:     # Allow the user to select any sequence in the course, feed it to
                   2067:     # another resource selector for that sequence
1.239     bowersj2 2068:     if (!$helper->{VARS}->{'construction'}) {
1.254     sakharuk 2069: 	push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1.249     sakharuk 2070: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 2071: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   2072: 	#Escape apostrophes and backslashes for Perl
                   2073: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   2074: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 2075: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 2076:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   2077:     <message>Select the sequence to print resources from:</message>
                   2078:     <resource variable="SEQUENCE">
                   2079:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   2080:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   2081:       <valuefunc>return $urlValue;</valuefunc>
1.350     foxr     2082:       <option text='Newpage' variable='FINISHPAGE' />
1.238     bowersj2 2083:       </resource>
                   2084:     </state>
                   2085:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   2086:     <message>(mark desired resources then click "next" button) <br /></message>
1.287     albertel 2087:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   2088:               closeallpages="1">
1.238     bowersj2 2089:       <nextstate>PAGESIZE</nextstate>
                   2090:       <filterfunc>return $isProblem</filterfunc>
1.244     bowersj2 2091:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 2092:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2093:       <option text='Newpage' variable='FINISHPAGE' />
1.238     bowersj2 2094:       </resource>
                   2095:     </state>
                   2096: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 2097: }
1.131     bowersj2 2098: 
                   2099:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 2100:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 2101:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 2102:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 2103:     Apache::lonhelper::message->new();
                   2104:     $paramHash = Apache::lonhelper::getParamHash();
                   2105:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   2106:     $paramHash->{CHOICES} = $printChoices;
                   2107:     Apache::lonhelper::choices->new();
1.161     bowersj2 2108: 
1.223     bowersj2 2109:     my $startedTable = 0; # have we started an HTML table yet? (need
                   2110:                           # to close it later)
                   2111: 
1.373     albertel 2112:     if (($env{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 2113: 	($helper->{VARS}->{'construction'} eq '1')) {
1.242     sakharuk 2114: 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161     bowersj2 2115:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 2116: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   2117: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 2118:         $paramHash->{CHOICES} = [
1.242     sakharuk 2119:                                    ['Without Answers', 'yes'],
                   2120:                                    ['With Answers', 'no'],
1.368     albertel 2121:                                    ['Only Answers', 'only']
1.289     sakharuk 2122:                                 ];
1.210     sakharuk 2123:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2124: 	addMessage("</td></tr>");
                   2125: 	$startedTable = 1;
1.161     bowersj2 2126:     }
1.209     sakharuk 2127: 
1.373     albertel 2128:     if ($env{'request.role.adv'}) {
1.223     bowersj2 2129: 	if (!$startedTable) {
                   2130: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
                   2131: 	    $startedTable = 1;
                   2132: 	} else {
                   2133: 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
                   2134: 	}
1.203     sakharuk 2135:         $paramHash = Apache::lonhelper::getParamHash();
                   2136: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   2137: 	$helper->declareVar('LATEX_TYPE');  
                   2138: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   2139: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2140: 				     ['standard LaTeX mode', 'standard'], 
                   2141: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 2142: 	} else {
                   2143: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2144: 				     ['LaTeX batchmode', 'batchmode'],
                   2145: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 2146: 	}
1.210     sakharuk 2147:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 2148:  
1.223     bowersj2 2149: 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209     sakharuk 2150:         $paramHash = Apache::lonhelper::getParamHash();
                   2151: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   2152: 	$helper->declareVar('TABLE_CONTENTS');         
                   2153:         $paramHash->{CHOICES} = [
1.223     bowersj2 2154:                                    ['No', 'no'],
                   2155:                                    ['Yes', 'yes'] ];
1.210     sakharuk 2156:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2157: 	addMessage("</td></tr>");
1.214     sakharuk 2158:         
1.220     sakharuk 2159: 	if (not $helper->{VARS}->{'construction'}) {
1.223     bowersj2 2160: 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220     sakharuk 2161: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2162: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   2163: 	    $helper->declareVar('TABLE_INDEX');         
                   2164: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2165: 				     ['No', 'no'],
                   2166: 				     ['Yes', 'yes'] ];
1.220     sakharuk 2167: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 2168: 	    addMessage("</td></tr>");
1.309     sakharuk 2169: 	    addMessage("<tr><td align='right'>Print Discussions: </td><td>");
                   2170: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2171: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   2172: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   2173: 	    $paramHash->{CHOICES} = [
                   2174: 				     ['No', 'no'],
                   2175: 				     ['Yes', 'yes'] ];
                   2176: 	    Apache::lonhelper::dropdown->new();
                   2177: 	    addMessage("</td></tr>");
1.372     foxr     2178: 
                   2179:             #  If advanced roles, then allow to show all foils.
                   2180: 
1.374     albertel 2181:             if ($env{'request.role.adv'}) {
1.372     foxr     2182: 		addMessage("<tr><td align = 'right'>  </td><td>");
                   2183: 		$paramHash = Apache::lonhelper::getParamHash();
                   2184: 		$paramHash->{'multichoice'} = "true";
                   2185: 		$paramHash->{'allowempty'}  = "true";
                   2186: 		$paramHash->{'variable'}   = "showallfoils";
                   2187: 		$paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
                   2188: 		Apache::lonhelper::choices->new();
                   2189: 		addMessage("</td></tr>");
                   2190:             }
                   2191: 
1.220     sakharuk 2192: 	}
1.219     sakharuk 2193: 
1.230     albertel 2194: 	if ($helper->{'VARS'}->{'construction'}) { 
1.373     albertel 2195: 	    my $stylevalue=$env{'construct.style'};
1.265     sakharuk 2196: 	    my $xmlfrag .= <<"RNDSEED";
1.290     sakharuk 2197: 	    <message><tr><td align='right'>Use random seed:  </td><td></message>
1.230     albertel 2198: 	    <string variable="curseed" size="15" maxlength="15">
                   2199: 		<defaultvalue>
                   2200: 	            return $helper->{VARS}->{'curseed'};
                   2201: 	        </defaultvalue>
1.262     sakharuk 2202: 	    </string>
1.264     sakharuk 2203: 	     <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1.378     albertel 2204:              <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message>
1.371     foxr     2205: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
                   2206:                 <choice computer="1">Show all foils?</choice>
                   2207:              </choices>
1.378     albertel 2208: 	     <message></td></tr></message>
1.230     albertel 2209: RNDSEED
                   2210:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.373     albertel 2211: 	    $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
1.371     foxr     2212: 	    
1.372     foxr     2213: 	} 
                   2214: 
1.223     bowersj2 2215:     }
1.264     sakharuk 2216: 
                   2217: 
                   2218: 
1.218     sakharuk 2219: 
1.223     bowersj2 2220:     if ($startedTable) {
                   2221: 	addMessage("</table>");
1.215     sakharuk 2222:     }
1.161     bowersj2 2223: 
1.131     bowersj2 2224:     Apache::lonprintout::page_format_state->new("FORMAT");
                   2225: 
1.144     bowersj2 2226:     # Generate the PAGESIZE state which will offer the user the margin
                   2227:     # choices if they select one column
                   2228:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   2229:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   2230: 
                   2231: 
1.131     bowersj2 2232:     $helper->process();
                   2233: 
                   2234:     # MANUAL BAILOUT CONDITION:
                   2235:     # If we're in the "final" state, bailout and return to handler
                   2236:     if ($helper->{STATE} eq 'FINAL') {
                   2237:         return $helper;
                   2238:     }    
1.130     sakharuk 2239: 
1.131     bowersj2 2240:     $r->print($helper->display());
1.130     sakharuk 2241: 
1.333     albertel 2242:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 2243: 
                   2244:     return OK;
                   2245: }
                   2246: 
1.1       www      2247: 
                   2248: 1;
1.119     bowersj2 2249: 
                   2250: package Apache::lonprintout::page_format_state;
                   2251: 
                   2252: =pod
                   2253: 
1.131     bowersj2 2254: =head1 Helper element: page_format_state
                   2255: 
                   2256: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 2257: 
1.131     bowersj2 2258: Apache::lonprintout::page_format_state is an element that gives the 
                   2259: user an opportunity to select the page layout they wish to print 
                   2260: with: Number of columns, portrait/landscape, and paper size. If you 
                   2261: want to change the paper size choices, change the @paperSize array 
                   2262: contents in this package.
1.119     bowersj2 2263: 
1.131     bowersj2 2264: page_format_state is always directly invoked in lonprintout.pm, so there
                   2265: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 2266: 
                   2267: =over 4
                   2268: 
1.131     bowersj2 2269: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 2270: 
                   2271: =back
                   2272: 
                   2273: =cut
                   2274: 
1.131     bowersj2 2275: use Apache::lonhelper;
1.119     bowersj2 2276: 
                   2277: no strict;
1.131     bowersj2 2278: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 2279: use strict;
1.266     sakharuk 2280: use Apache::lonlocal;
1.373     albertel 2281: use Apache::lonnet;
1.119     bowersj2 2282: 
                   2283: my $maxColumns = 2;
1.376     albertel 2284: # it'd be nice if these all worked
                   2285: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   2286: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   2287: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   2288: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 2289: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 2290: 		 "a4 [210x297 mm]");
1.119     bowersj2 2291: 
                   2292: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   2293: #                   Paper type
                   2294: 
                   2295: sub new { 
1.131     bowersj2 2296:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 2297: 
1.135     bowersj2 2298:     shift;
                   2299: 
1.131     bowersj2 2300:     $self->{'variable'} = shift;
1.134     bowersj2 2301:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 2302:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 2303:     bless($self);
1.119     bowersj2 2304:     return $self;
                   2305: }
                   2306: 
                   2307: sub render {
                   2308:     my $self = shift;
1.131     bowersj2 2309:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 2310:     my $result = '';
1.131     bowersj2 2311:     my $var = $self->{'variable'};
1.266     sakharuk 2312:     my $PageLayout=&mt('Page layout');
                   2313:     my $NumberOfColumns=&mt('Number of columns');
                   2314:     my $PaperType=&mt('Paper type');
1.119     bowersj2 2315:     $result .= <<STATEHTML;
                   2316: 
1.223     bowersj2 2317: <hr width="33%" />
1.119     bowersj2 2318: <table cellpadding="3">
                   2319:   <tr>
1.266     sakharuk 2320:     <td align="center"><b>$PageLayout</b></td>
                   2321:     <td align="center"><b>$NumberOfColumns</b></td>
                   2322:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 2323:   </tr>
                   2324:   <tr>
                   2325:     <td>
1.376     albertel 2326:       <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
                   2327:       <label><input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait </label>
1.119     bowersj2 2328:     </td>
1.155     sakharuk 2329:     <td align="center">
1.119     bowersj2 2330:       <select name="${var}.cols">
                   2331: STATEHTML
                   2332: 
                   2333:     my $i;
                   2334:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 2335:         if ($i == 2) {
1.119     bowersj2 2336:             $result .= "<option value='$i' selected>$i</option>\n";
                   2337:         } else {
                   2338:             $result .= "<option value='$i'>$i</option>\n";
                   2339:         }
                   2340:     }
                   2341: 
                   2342:     $result .= "</select></td><td>\n";
                   2343:     $result .= "<select name='${var}.paper'>\n";
                   2344: 
1.373     albertel 2345:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.304     sakharuk 2346:     my $DefaultPaperSize=$parmhash{'default_paper_size'};
                   2347:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 2348:     $i = 0;
                   2349:     foreach (@paperSize) {
1.326     sakharuk 2350: 	$_=~/(\w+)/;
                   2351: 	my $papersize=$1;
1.304     sakharuk 2352:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.326     sakharuk 2353:             $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2354:         } else {
1.326     sakharuk 2355:             $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2356:         }
                   2357:         $i++;
                   2358:     }
                   2359:     $result .= "</select></td></tr></table>";
                   2360:     return $result;
1.135     bowersj2 2361: }
                   2362: 
                   2363: sub postprocess {
                   2364:     my $self = shift;
                   2365: 
                   2366:     my $var = $self->{'variable'};
1.136     bowersj2 2367:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 2368:     $helper->{VARS}->{$var} = 
1.373     albertel 2369:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
                   2370:         $env{"form.$var.paper"};
1.135     bowersj2 2371:     return 1;
1.119     bowersj2 2372: }
                   2373: 
                   2374: 1;
1.144     bowersj2 2375: 
                   2376: package Apache::lonprintout::page_size_state;
                   2377: 
                   2378: =pod
                   2379: 
                   2380: =head1 Helper element: page_size_state
                   2381: 
                   2382: See lonhelper.pm documentation for discussion of the helper framework.
                   2383: 
                   2384: Apache::lonprintout::page_size_state is an element that gives the 
                   2385: user the opportunity to further refine the page settings if they
                   2386: select a single-column page.
                   2387: 
                   2388: page_size_state is always directly invoked in lonprintout.pm, so there
                   2389: is no tag interface. You actually pass parameters to the constructor.
                   2390: 
                   2391: =over 4
                   2392: 
                   2393: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   2394: 
                   2395: =back
                   2396: 
                   2397: =cut
                   2398: 
                   2399: use Apache::lonhelper;
1.373     albertel 2400: use Apache::lonnet;
1.144     bowersj2 2401: no strict;
                   2402: @ISA = ("Apache::lonhelper::element");
                   2403: use strict;
                   2404: 
                   2405: 
                   2406: 
                   2407: sub new { 
                   2408:     my $self = Apache::lonhelper::element->new();
                   2409: 
                   2410:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   2411:            # package descriptor)... - Jeremy
                   2412: 
                   2413:     $self->{'variable'} = shift;
                   2414:     my $helper = Apache::lonhelper::getHelper();
                   2415:     $helper->declareVar($self->{'variable'});
                   2416: 
                   2417:     # The variable name of the format element, so we can look into 
                   2418:     # $helper->{VARS} to figure out whether the columns are one or two
                   2419:     $self->{'formatvar'} = shift;
                   2420: 
                   2421:     # The state to transition to after selection, or after discovering
                   2422:     # the cols are not set to 1
                   2423:     $self->{NEXTSTATE} = shift;
                   2424:     bless($self);
                   2425:     return $self;
                   2426: }
                   2427: 
                   2428: sub render {
                   2429:     my $self = shift;
                   2430:     my $helper = Apache::lonhelper::getHelper();
                   2431:     my $result = '';
                   2432:     my $var = $self->{'variable'};
                   2433: 
                   2434:     if (defined $self->{ERROR_MSG}) {
                   2435:         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
                   2436:     }
                   2437: 
                   2438:     $result .= <<ELEMENTHTML;
                   2439: 
                   2440: <p>How should the column be formatted?</p>
                   2441: 
                   2442: <table cellpadding='3'>
                   2443:   <tr>
                   2444:     <td align='right'><b>Width</b>:</td>
                   2445:     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
                   2446:     <td align='left'>
                   2447:       <select name='$var.widthunit'>
                   2448:         <option>cm</option><option>in</option>
                   2449:       </select>
                   2450:     </td>
                   2451:   </tr>
                   2452:   <tr>
                   2453:     <td align='right'><b>Height</b>:</td>
                   2454:     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
                   2455:     <td align='left'>
                   2456:       <select name='$var.heightunit'>
                   2457:         <option>cm</option><option>in</option>
                   2458:       </select>
                   2459:     </td>
                   2460:   </tr>
                   2461:   <tr>
                   2462:     <td align='right'><b>Left margin</b>:</td>
                   2463:     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
                   2464:     <td align='left'>
1.186     bowersj2 2465:       <select name='$var.lmarginunit'>
1.144     bowersj2 2466:         <option>cm</option><option>in</option>
                   2467:       </select>
                   2468:     </td>
                   2469:   </tr>
                   2470: </table>
                   2471: 
                   2472: <p>Hint: Some instructors like to leave scratch space for the student by
1.280     albertel 2473: making the width much smaller than the width of the page.</p>
1.144     bowersj2 2474: 
                   2475: ELEMENTHTML
                   2476: 
                   2477:     return $result;
                   2478: }
                   2479: 
                   2480: # If the user didn't select 1 column, skip this state.
                   2481: sub preprocess {
                   2482:     my $self = shift;
                   2483:     my $helper = Apache::lonhelper::getHelper();
                   2484: 
                   2485:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   2486:     if (substr($format, 2, 1) ne '1') {
                   2487:         $helper->changeState($self->{NEXTSTATE});
                   2488:     }
                   2489:    
                   2490:     return 1;
                   2491: }
                   2492: 
                   2493: sub postprocess {
                   2494:     my $self = shift;
                   2495: 
                   2496:     my $var = $self->{'variable'};
                   2497:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 2498:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   2499:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   2500:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   2501:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   2502:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   2503:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 2504: 
                   2505:     my $error = '';
                   2506: 
                   2507:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   2508:     # by an optional period, followed by digits, ending the string
                   2509: 
                   2510:     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2511:         $error .= "Invalid width; please type only a number.<br />\n";
                   2512:     }
                   2513:     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2514:         $error .= "Invalid height; please type only a number.<br />\n";
                   2515:     }
                   2516:     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2517:         $error .= "Invalid left margin; please type only a number.<br />\n";
                   2518:     }
                   2519: 
                   2520:     if (!$error) {
                   2521:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   2522:         return 1;
                   2523:     } else {
                   2524:         $self->{ERROR_MSG} = $error;
                   2525:         return 0;
                   2526:     }
                   2527: }
                   2528: 
                   2529: 
1.119     bowersj2 2530: 
1.1       www      2531: __END__
1.6       sakharuk 2532: 

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