loncom/interface/lonprintout.pm - view

File: [LON-CAPA] / loncom / interface / lonprintout.pm
Revision 1.184: download - view: text, annotated - select for diffs
Tue May 27 19:00:35 2003 UTC (21 years ago) by sakharuk
Branches: MAIN
CVS tags: HEAD

 Added a course parameter hash value which allows to split problem over pages. See comments for structuretags.pm last submission.

1: # The LearningOnline Network 2: # Printout 3: # 4: # $Id: lonprintout.pm,v 1.184 2003/05/27 19:00:35 sakharuk Exp $ 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: # 28: # (Internal Server Error Handler 29: # 30: # (Login Screen 31: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, 32: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer) 33: # 34: # 3/1/1 Gerd Kortemeyer) 35: # 36: # 3/1 Gerd Kortemeyer 37: # 38: # 9/17 Alex Sakharuk 39: # 40: package Apache::lonprintout; 41: 42: use strict; 43: use Apache::Constants qw(:common :http); 44: use Apache::lonxml; 45: use Apache::lonnet; 46: use Apache::loncommon; 47: use Apache::inputtags; 48: use Apache::grades; 49: use Apache::edit; 50: use Apache::File(); 51: use Apache::lonnavmaps; 52: use POSIX qw(strftime); 53: use GDBM_File; 54: 55: 56: my %hash; 57: my $LaTeXwidth = 0; 58: 59: 60: sub latex_header_footer_remove { 61: my $text = shift; 62: $text =~ s/\\end{document}//; 63: $text =~ s/\\documentclass([^&]*)\\begin{document}//; 64: return $text; 65: } 66: 67: 68: sub character_chart { 69: my $result = shift; 70: $result =~ s/&\#0?0?(7|9);//g; 71: $result =~ s/&\#0?(10|13);//g; 72: $result =~ s/&\#0?32;/ /g; 73: $result =~ s/&\#0?33;/!/g; 74: $result =~ s/&(\#0?34|quot);/\"/g; 75: $result =~ s/&\#0?35;/\\\#/g; 76: $result =~ s/&\#0?36;/\\\$/g; 77: $result =~ s/&\#0?37;/\\%/g; 78: $result =~ s/&(\#0?38|amp);/\\&/g; 79: $result =~ s/&\#(0?39|146);/\'/g; 80: $result =~ s/&\#0?40;/(/g; 81: $result =~ s/&\#0?41;/)/g; 82: $result =~ s/&\#0?42;/\*/g; 83: $result =~ s/&\#0?43;/\+/g; 84: $result =~ s/&\#(0?44|130);/,/g; 85: $result =~ s/&\#0?45;/-/g; 86: $result =~ s/&\#0?46;/\./g; 87: $result =~ s/&\#0?47;/\//g; 88: $result =~ s/&\#0?48;/0/g; 89: $result =~ s/&\#0?49;/1/g; 90: $result =~ s/&\#0?50;/2/g; 91: $result =~ s/&\#0?51;/3/g; 92: $result =~ s/&\#0?52;/4/g; 93: $result =~ s/&\#0?53;/5/g; 94: $result =~ s/&\#0?54;/6/g; 95: $result =~ s/&\#0?55;/7/g; 96: $result =~ s/&\#0?56;/8/g; 97: $result =~ s/&\#0?57;/9/g; 98: $result =~ s/&\#0?58;/:/g; 99: $result =~ s/&\#0?59;/;/g; 100: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g; 101: $result =~ s/&\#0?61;/\$=\$/g; 102: $result =~ s/&(\#0?62|gt|\#155);/\$>\$/g; 103: $result =~ s/&\#0?63;/\?/g; 104: $result =~ s/&\#0?65;/A/g; 105: $result =~ s/&\#0?66;/B/g; 106: $result =~ s/&\#0?67;/C/g; 107: $result =~ s/&\#0?68;/D/g; 108: $result =~ s/&\#0?69;/E/g; 109: $result =~ s/&\#0?70;/F/g; 110: $result =~ s/&\#0?71;/G/g; 111: $result =~ s/&\#0?72;/H/g; 112: $result =~ s/&\#0?73;/I/g; 113: $result =~ s/&\#0?74;/J/g; 114: $result =~ s/&\#0?75;/K/g; 115: $result =~ s/&\#0?76;/L/g; 116: $result =~ s/&\#0?77;/M/g; 117: $result =~ s/&\#0?78;/N/g; 118: $result =~ s/&\#0?79;/O/g; 119: $result =~ s/&\#0?80;/P/g; 120: $result =~ s/&\#0?81;/Q/g; 121: $result =~ s/&\#0?82;/R/g; 122: $result =~ s/&\#0?83;/S/g; 123: $result =~ s/&\#0?84;/T/g; 124: $result =~ s/&\#0?85;/U/g; 125: $result =~ s/&\#0?86;/V/g; 126: $result =~ s/&\#0?87;/W/g; 127: $result =~ s/&\#0?88;/X/g; 128: $result =~ s/&\#0?89;/Y/g; 129: $result =~ s/&\#0?90;/Z/g; 130: $result =~ s/&\#0?91;/[/g; 131: $result =~ s/&\#0?92;/\$\\setminus\$/g; 132: $result =~ s/&\#0?93;/]/g; 133: $result =~ s/&\#(0?94|136);/\$\\wedge\$/g; 134: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g; 135: $result =~ s/&\#(0?96|145);/\`/g; 136: $result =~ s/&\#0?97;/a/g; 137: $result =~ s/&\#0?98;/b/g; 138: $result =~ s/&\#0?99;/c/g; 139: $result =~ s/&\#100;/d/g; 140: $result =~ s/&\#101;/e/g; 141: $result =~ s/&\#102;/f/g; 142: $result =~ s/&\#103;/g/g; 143: $result =~ s/&\#104;/h/g; 144: $result =~ s/&\#105;/i/g; 145: $result =~ s/&\#106;/j/g; 146: $result =~ s/&\#107;/k/g; 147: $result =~ s/&\#108;/l/g; 148: $result =~ s/&\#109;/m/g; 149: $result =~ s/&\#110;/n/g; 150: $result =~ s/&\#111;/o/g; 151: $result =~ s/&\#112;/p/g; 152: $result =~ s/&\#113;/q/g; 153: $result =~ s/&\#114;/r/g; 154: $result =~ s/&\#115;/s/g; 155: $result =~ s/&\#116;/t/g; 156: $result =~ s/&\#117;/u/g; 157: $result =~ s/&\#118;/v/g; 158: $result =~ s/&\#119;/w/g; 159: $result =~ s/&\#120;/x/g; 160: $result =~ s/&\#121;/y/g; 161: $result =~ s/&\#122;/z/g; 162: $result =~ s/&\#123;/\\{/g; 163: $result =~ s/&\#124;/\|/g; 164: $result =~ s/&\#125;/\\}/g; 165: $result =~ s/&\#126;/\~/g; 166: $result =~ s/&\#131;/\\textflorin /g; 167: $result =~ s/&\#132;/\"/g; 168: $result =~ s/&\#133;/\$\\ldots\$/g; 169: $result =~ s/&\#134;/\$\\dagger\$/g; 170: $result =~ s/&\#135;/\$\\ddagger\$/g; 171: $result =~ s/&\#137;/\\textperthousand /g; 172: $result =~ s/&\#140;/{\\OE}/g; 173: $result =~ s/&\#147;/\`\`/g; 174: $result =~ s/&\#148;/\'\'/g; 175: $result =~ s/&\#149;/\$\\bullet\$/g; 176: $result =~ s/&\#150;/--/g; 177: $result =~ s/&\#151;/---/g; 178: $result =~ s/&\#152;/\$\\sim\$/g; 179: $result =~ s/&\#153;/\\texttrademark /g; 180: $result =~ s/&\#156;/\\oe/g; 181: $result =~ s/&\#159;/\\\"Y/g; 182: $result =~ s/&(\#160|nbsp);//g; 183: $result =~ s/&(\#161|iexcl);/!\`/g; 184: $result =~ s/&(\#162|cent);/\\textcent /g; 185: $result =~ s/&(\#163|pound);/\\pounds /g; 186: $result =~ s/&(\#164|curren);/\\textcurrency /g; 187: $result =~ s/&(\#165|yen);/\\textyen /g; 188: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; 189: $result =~ s/&(\#167|sect);/\\textsection /g; 190: $result =~ s/&(\#168|uml);/\\texthighdieresis /g; 191: $result =~ s/&(\#169|copy);/\\copyright /g; 192: $result =~ s/&(\#170|ordf);/\\textordfeminine /g; 193: $result =~ s/&(\#172|not);/\$\\neg\$/g; 194: $result =~ s/&(\#173|shy);/ - /g; 195: $result =~ s/&(\#174|reg);/\\textregistered /g; 196: $result =~ s/&(\#175|macr);/\$^{-}\$/g; 197: $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g; 198: $result =~ s/&(\#177|plusmn);/\$\\pm\$/g; 199: $result =~ s/&(\#178|sup2);/\$^2\$/g; 200: $result =~ s/&(\#179|sup3);/\$^3\$/g; 201: $result =~ s/&(\#180|acute);/\\textacute /g; 202: $result =~ s/&(\#181|micro);/\$\\mu\$/g; 203: $result =~ s/&(\#182|para);/\\P/g; 204: $result =~ s/&(\#183|middot);/\$\\cdot\$/g; 205: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; 206: $result =~ s/&(\#185|sup1);/\$^1\$/g; 207: $result =~ s/&(\#186|ordm);/\\textordmasculine /g; 208: $result =~ s/&(\#188|frac14);/\\textonequarter /g; 209: $result =~ s/&(\#189|frac12);/\\textonehalf /g; 210: $result =~ s/&(\#190|frac34);/\\textthreequarters /g; 211: $result =~ s/&(\#191|iquest);/?\`/g; 212: $result =~ s/&(\#192|Agrave);/\\\`{A}/g; 213: $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 214: $result =~ s/&(\#194|Acirc);/\\^{A}/g; 215: $result =~ s/&(\#195|Atilde);/\\~{A}/g; 216: $result =~ s/&(\#196|Auml);/\\\"{A}/g; 217: $result =~ s/&(\#197|Aring);/{\\AA}/g; 218: $result =~ s/&(\#198|AElig);/{\\AE}/g; 219: $result =~ s/&(\#199|Ccedil);/\\c{c}/g; 220: $result =~ s/&(\#200|Egrave);/\\\`{E}/g; 221: $result =~ s/&(\#201|Eacute);/\\\'{E}/g; 222: $result =~ s/&(\#202|Ecirc);/\\^{E}/g; 223: $result =~ s/&(\#203|Euml);/\\\"{E}/g; 224: $result =~ s/&(\#204|Igrave);/\\\`{I}/g; 225: $result =~ s/&(\#205|Iacute);/\\\'{I}/g; 226: $result =~ s/&(\#206|Icirc);/\\^{I}/g; 227: $result =~ s/&(\#207|Iuml);/\\\"{I}/g; 228: $result =~ s/&(\#209|Ntilde);/\\~{N}/g; 229: $result =~ s/&(\#210|Ograve);/\\\`{O}/g; 230: $result =~ s/&(\#211|Oacute);/\\\'{O}/g; 231: $result =~ s/&(\#212|Ocirc);/\\^{O}/g; 232: $result =~ s/&(\#213|Otilde);/\\~{O}/g; 233: $result =~ s/&(\#214|Ouml);/\\\"{O}/g; 234: $result =~ s/&(\#215|times);/\$\\times\$/g; 235: $result =~ s/&(\#216|Oslash);/{\\O}/g; 236: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g; 237: $result =~ s/&(\#218|Uacute);/\\\'{U}/g; 238: $result =~ s/&(\#219|Ucirc);/\\^{U}/g; 239: $result =~ s/&(\#220|Uuml);/\\\"{U}/g; 240: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g; 241: $result =~ s/&(\#223|szlig);/\\ss/g; 242: $result =~ s/&(\#224|agrave);/\\\`{a}/g; 243: $result =~ s/&(\#225|aacute);/\\\'{a}/g; 244: $result =~ s/&(\#226|acirc);/\\^{a}/g; 245: $result =~ s/&(\#227|atilde);/\\~{a}/g; 246: $result =~ s/&(\#228|auml);/\\\"{a}/g; 247: $result =~ s/&(\#229|aring);/{\\aa}/g; 248: $result =~ s/&(\#230|aelig);/{\\ae}/g; 249: $result =~ s/&(\#231|ccedil);/\\c{c}/g; 250: $result =~ s/&(\#232|egrave);/\\\`{e}/g; 251: $result =~ s/&(\#233|eacute);/\\\'{e}/g; 252: $result =~ s/&(\#234|ecirc);/\\^{e}/g; 253: $result =~ s/&(\#235|euml);/\\\"{e}/g; 254: $result =~ s/&(\#236|igrave);/\\\`{i}/g; 255: $result =~ s/&(\#237|iacute);/\\\'{i}/g; 256: $result =~ s/&(\#238|icirc);/\\^{i}/g; 257: $result =~ s/&(\#239|iuml);/\\\"{i}/g; 258: $result =~ s/&(\#240|eth);/\$\\partial\$/g; 259: $result =~ s/&(\#241|ntilde);/\\~{n}/g; 260: $result =~ s/&(\#242|ograve);/\\\`{o}/g; 261: $result =~ s/&(\#243|oacute);/\\\'{o}/g; 262: $result =~ s/&(\#244|ocirc);/\\^{o}/g; 263: $result =~ s/&(\#245|otilde);/\\~{o}/g; 264: $result =~ s/&(\#246|ouml);/\\\"{o}/g; 265: $result =~ s/&(\#247|divide);/\$\\div\$/g; 266: $result =~ s/&(\#248|oslash);/{\\o}/g; 267: $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 268: $result =~ s/&(\#250|uacute);/\\\'{u}/g; 269: $result =~ s/&(\#251|ucirc);/\\^{u}/g; 270: $result =~ s/&(\#252|uuml);/\\\"{u}/g; 271: $result =~ s/&(\#253|yacute);/\\\'{y}/g; 272: $result =~ s/&(\#255|yuml);/\\\"{y}/g; 273: $result =~ s/&\#952;/\$\\theta\$/g; 274: #Greek Alphabet 275: $result =~ s/&(alpha|\#945);/\$\\alpha \$/g; 276: $result =~ s/&(beta|\#946);/\$\\beta \$/g; 277: $result =~ s/&(gamma|\#947);/\$\\gamma \$/g; 278: $result =~ s/&(delta|\#948);/\$\\delta \$/g; 279: $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g; 280: $result =~ s/&(zeta|\#950);/\$\\zeta \$/g; 281: $result =~ s/&(eta|\#951);/\$\\eta \$/g; 282: $result =~ s/&(theta|\#952);/\$\\theta \$/g; 283: $result =~ s/&(iota|\#953);/\$\\iota \$/g; 284: $result =~ s/&(kappa|\#954);/\$\\kappa \$/g; 285: $result =~ s/&(lambda|\#955);/\$\\lambda \$/g; 286: $result =~ s/&(mu|\#956);/\$\\mu \$/g; 287: $result =~ s/&(nu|\#957);/\$\\nu \$/g; 288: $result =~ s/&(xi|\#958);/\$\\xi \$/g; 289: $result =~ s/&(pi|\#960);/\$\\pi \$/g; 290: $result =~ s/&(rho|\#961);/\$\\rho \$/g; 291: $result =~ s/&(sigma|\#963);/\$\\sigma \$/g; 292: $result =~ s/&(tau|\#964);/\$\\tau \$/g; 293: $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g; 294: $result =~ s/&(phi|\#966);/\$\\phi \$/g; 295: $result =~ s/&(chi|\#967);/\$\\chi \$/g; 296: $result =~ s/&(psi|\#968);/\$\\psi \$/g; 297: $result =~ s/&(omega|\#969);/\$\\omega \$/g; 298: $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g; 299: $result =~ s/&(Delta|\#916);/\$\\Delta \$/g; 300: $result =~ s/&(Theta|\#920);/\$\\Theta \$/g; 301: $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g; 302: $result =~ s/&(Xi|\#926);/\$\\Xi \$/g; 303: $result =~ s/&(Pi|\#928);/\$\\Pi \$/g; 304: $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g; 305: $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g; 306: $result =~ s/&(Phi|\#934);/\$\\Phi \$/g; 307: $result =~ s/&(Psi|\#936);/\$\\Psi \$/g; 308: $result =~ s/&(Omega|\#937);/\$\\Omega \$/g; 309: return $result; 310: } 311: 312: 313: sub page_format { 314: # 315: #Correspondence between $papersize variable and real paper format: 316: # 0 - "Letter [8 1/2x11 in]" 317: # 1 - "Legal [8 1/2x14 in]" 318: # 2 - "Ledger/Tabloid [11x17 in]" 319: # 3 - "Executive [7 1/2x10 in]" 320: # 4 - "A2 [420x594 mm]" 321: # 5 - "A3 [297x420 mm]" 322: # 6 - "A4 [210x297 mm]" 323: # 7 - "A5 [148x210 mm]" 324: # 8 - "A6 [105x148 mm]" 325: # 326: my ($papersize,$layout,$numberofcolumns) = @_; 327: my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0); 328: if ($papersize eq '0') { 329: if ($layout eq 'book') { 330: if ($numberofcolumns == 1) { 331: $textwidth = '18 cm'; 332: $textheight = '25.9 cm'; 333: $oddoffset = '-0.57 in'; 334: $evenoffset = '-0.57 in'; 335: } elsif ($numberofcolumns == 2) { 336: $textwidth = '93 mm'; 337: $textheight = '25.9 cm'; 338: $oddoffset = '-0.57 in'; 339: $evenoffset = '-0.57 in'; 340: } 341: } elsif ($layout eq 'album') { 342: if ($numberofcolumns eq '1') { 343: $textwidth = '8.8 in'; 344: $textheight = '6.8 in'; 345: $oddoffset = '-40 pt'; 346: $evenoffset = '-60 pt'; 347: } elsif ($numberofcolumns == 2) { 348: $textwidth = '4.2 in'; 349: $textheight = '6.8 in'; 350: $oddoffset = '-40 pt'; 351: $evenoffset = '-60 pt'; 352: } 353: } 354: # } elsif($papersize eq '1') { 355: # } elsif($papersize eq '2') { 356: # } elsif($papersize eq '3'/) { 357: } elsif($papersize eq '6') { 358: if ($layout eq 'book') { 359: if ($numberofcolumns == 1) { 360: $textwidth = '18 cm'; 361: $textheight = '28 cm'; 362: $oddoffset = '-0.57 in'; 363: $evenoffset = '-0.57 in'; 364: } elsif ($numberofcolumns == 2) { 365: $textwidth = '96 mm'; 366: $textheight = '2 cm'; 367: $oddoffset = '-0.57 in'; 368: $evenoffset = '-0.57 in'; 369: } 370: } elsif ($layout eq 'album') { 371: if ($numberofcolumns eq '1') { 372: $textwidth = '8.5 in'; 373: $textheight = '7.7 in'; 374: $oddoffset = '-40 pt'; 375: $evenoffset = '-60 pt'; 376: } elsif ($numberofcolumns == 2) { 377: $textwidth = '3.9 in'; 378: $textheight = '7.7 in'; 379: $oddoffset = '-40 pt'; 380: $evenoffset = '-60 pt'; 381: } 382: } 383: # } elsif($papersize eq '5') { 384: # } elsif($papersize eq '4') { 385: # } elsif($papersize eq '7') { 386: # } elsif($papersize eq '8') { 387: } 388: return $textwidth,$textheight,$oddoffset,$evenoffset; 389: } 390: 391: 392: sub get_name { 393: my ($uname,$udom)=@_; 394: if (!defined($uname)) { $uname=$ENV{'user.name'}; } 395: if (!defined($udom)) { $uname=$ENV{'user.domain'}; } 396: my $plainname=&Apache::loncommon::plainname($uname,$udom); 397: if ($plainname=~/^\s*$/) { $plainname=$uname; } 398: return &Apache::lonxml::latex_special_symbols($plainname,undef,undef, 399: 'header'); 400: } 401: 402: 403: sub page_format_transformation { 404: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_; 405: my ($textwidth,$textheight,$oddoffset,$evenoffset); 406: $assignment=~s/_/ /g; 407: if ($numberofcolumns != 1) { 408: ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns); 409: } else { 410: ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'}); 411: } 412: my $name = &get_name(); 413: if ($name =~ /^\s*$/) { 414: $name=&Apache::lonxml::latex_special_symbols($ENV{'user.name'},undef, 415: undef,'header'); 416: } 417: my $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'','','header'); 418: if ($layout eq 'album') { 419: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm} \\begin{document}\\setcounter{page}{1}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$name}} \\hfill $courseidinfo} \\vskip 5 mm /; 420: } elsif ($layout eq 'book') { 421: if ($choice ne 'All class print') { 422: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/; 423: } else { 424: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /; 425: 426: } 427: } 428: return $text; 429: } 430: 431: 432: sub page_cleanup { 433: my $result = shift; 434: 435: $result =~ m/\\end{document}(\d*)$/; 436: my $number_of_columns = $1; 437: my $insert = '{'; 438: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; } 439: $insert .= '}'; 440: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; 441: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g; 442: return $result,$number_of_columns; 443: } 444: 445: 446: sub details_for_menu { 447: 448: my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}}; 449: my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'}); 450: my ($map,$id,$resource)=split(/___/,$symbolic); 451: $map=&Apache::lonnet::clutter($map); 452: my $name_of_sequence; 453: $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}}; 454: if ($name_of_sequence =~ /^\s*$/) { 455: $map =~ m|([^/]+)$|; 456: $name_of_sequence = $1; 457: } 458: my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}}; 459: if ($name_of_map =~ /^\s*$/) { 460: $ENV{'request.course.uri'} =~ m|([^/]+)$|; 461: $name_of_map = $1; 462: } 463: return ($name_of_resourse,$name_of_sequence,$name_of_map); 464: 465: } 466: 467: 468: sub latex_corrections { 469: 470: my ($number_of_columns,$result) = @_; 471: 472: $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; 473: $result =~ s/\$number_of_columns/$number_of_columns/g; 474: $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/; 475: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; 476: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g; 477: #-- LaTeX corrections 478: my $first_comment = index($result,'',$first_comment); 481: substr($result,$first_comment,$end_comment-$first_comment+3) = ''; 482: $first_comment = index($result,'<!--',$first_comment); 483: } 484: $result =~ s/^\s+$//gm; #remove empty lines 485: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space 486: $result =~ s/\\\\\s*\\vskip/\\vskip/gm; 487: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g; 488: $result =~ s/{\\par }\s*\\\\/\\\\/gm; 489: $result =~ s/\\\\\s+\[/ \[/g; 490: $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g; 491: #conversion of html characters to LaTeX equivalents 492: if ($result =~ m/&(\w+|#\d+);/) { 493: $result = &character_chart($result); 494: } 495: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g; 496: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g; 497: 498: return $result; 499: } 500: 501: 502: sub output_data { 503: my ($r,$helper,$rparmhash) = @_; 504: my %parmhash = %$rparmhash; 505: $r->print(<<ENDPART); 506: <html> 507: <head> 508: <title>LON-CAPA output for printing</title> 509: </head> 510: <body bgcolor="FFFFFF"> 511: <hr> 512: ENDPART 513: 514: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 515: my ($result,$selectionmade) = ('',''); 516: my $number_of_columns = 1; #used only for pages to determine the width of the cell 517: my @temporary_array=split /\|/,$format_from_helper; 518: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array; 519: if ($laystyle eq 'L') { 520: $laystyle='album'; 521: } else { 522: $laystyle='book'; 523: } 524: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns); 525: my $assignment = $ENV{'form.assignment'}; 526: my $LaTeXwidth; 527: if ($textwidth=~/(\d+)\s*cm/) { 528: $LaTeXwidth = $1*10; 529: } elsif ($textwidth=~/(\d+)\s*mm/) { 530: $LaTeXwidth = $1; 531: } elsif ($textwidth=~/(\d+)\s*in/) { 532: $LaTeXwidth = $1*25.4; 533: } 534: $LaTeXwidth.=' mm'; 535: 536: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') { 537: #-- single document - problem, page, html, xml, ... 538: my $currentURL; 539: if ($helper->{'VARS'}->{'construction'} ne '1') { 540: #prins published resource 541: $currentURL=$helper->{'VARS'}->{'postdata'}; 542: } else { 543: #prins resource from the construction space 544: $currentURL=$helper->{'VARS'}->{'filename'}; 545: $currentURL=~s/\/home\//\/~/; 546: $currentURL=~s/public_html\///; 547: } 548: $selectionmade = 1; 549: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 550: my %moreenv; 551: $moreenv{'request.filename'}=$currentURL; 552: my %form; 553: $form{'grade_target'}='tex'; 554: $form{'textwidth'}=$LaTeXwidth; 555: my $rndseed=time; 556: $form{'rndseed'}=$rndseed; 557: &Apache::lonnet::appenv(%moreenv); 558: my $texversion=&Apache::lonnet::ssi($currentURL,%form); 559: &Apache::lonnet::delenv('form.counter'); 560: &Apache::lonnet::delenv('request.filename'); 561: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 562: my %form; 563: $form{'grade_target'}='answer'; 564: $form{'answer_output_mode'}='tex'; 565: $form{'rndseed'}=$rndseed; 566: my $answer=&Apache::lonnet::ssi($currentURL,%form); 567: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 568: } 569: $result .= $texversion; 570: if ($currentURL=~m/\.page\s*$/) { 571: ($result,$number_of_columns) = &page_cleanup($result); 572: } 573: } else { 574: # $result='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: '; 575: # if ($ENV{'form.url'}=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { 576: # $result.=$1; 577: # } else { 578: # $result.=$ENV{'form.url'}; 579: # } 580: # $result.=' \end{document}' 581: } 582: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or 583: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or 584: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')) { 585: #-- produce an output string 586: my $flag_latex_header_remove = 'NO'; 587: my $flag_page_in_sequence = 'NO'; 588: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 589: for (my $i=0;$i<=$#master_seq;$i++) { 590: $master_seq[$i]=~/___\d+___(.*)$/; 591: my $urlp='/res/'.$1; 592: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') { 593: $selectionmade = 2; 594: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') { 595: $selectionmade = 3; 596: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') { 597: $selectionmade = 4; 598: } 599: my %form; 600: $form{'grade_target'}='tex'; 601: $form{'textwidth'}=$LaTeXwidth; 602: $form{'symb'}=$master_seq[$i]; 603: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 604: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]"); 605: my $texversion=&Apache::lonnet::ssi($urlp,%form); 606: if ($urlp=~/\.page$/) { 607: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion); 608: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 609: $texversion =~ s/\\end{document}\d*/\\end{document}/; 610: $flag_page_in_sequence = 'YES'; 611: } 612: if ($flag_latex_header_remove ne 'NO') { 613: $texversion = &latex_header_footer_remove($texversion); 614: } else { 615: $texversion =~ s/\\end{document}//; 616: } 617: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 618: my %form; 619: $form{'grade_target'}='answer'; 620: $form{'answer_output_mode'}='tex'; 621: my $answer=&Apache::lonnet::ssi($urlp,%form); 622: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 623: } 624: $result .= $texversion; 625: $flag_latex_header_remove = 'YES'; 626: } 627: &Apache::lonnet::delenv('form.counter'); 628: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;} 629: $result .= '\end{document}'; 630: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') { 631: #-- prints assignments for whole class or for selected students 632: $selectionmade=5; 633: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'}; 634: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 635: #loop over students 636: my $flag_latex_header_remove = 'NO'; 637: my %moreenv; 638: $moreenv{'form.textwidth'}=$LaTeXwidth; 639: &Apache::lonnet::appenv(%moreenv); 640: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1); 641: foreach my $person (@students) { 642: my $current_output = ''; 643: # my ($usersection,$username,$userdomain) = split /:/,$person; 644: my ($username,$userdomain) = split /:/,$person; 645: my $fullname = &get_name($username,$userdomain); 646: #goes through all resources, checks if they are available for current student, and produces output 647: foreach my $curresline (@master_seq) { 648: if ($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) { 649: my ($map,$id,$res_url) = split(/___/,$curresline); 650: if (&Apache::lonnet::allowed('bre',$res_url)) { 651: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain, 652: $ENV{'request.course.id'},'tex'); 653: if ($flag_latex_header_remove eq 'YES') { 654: $rendered = &latex_header_footer_remove($rendered); 655: } else { 656: $rendered =~ s/\\end{document}//; 657: } 658: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 659: my %form; 660: $form{'answer_output_mode'}='tex'; 661: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain, 662: $ENV{'request.course.id'},%form); 663: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/; 664: } 665: $current_output .= $rendered; 666: } 667: $flag_latex_header_remove = 'YES'; 668: } 669: } 670: my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; 671: if ($current_output=~/\\documentclass/) { 672: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$helper->{VARS}->{'assignment'}}}\\vskip 3 mm /; 673: } else { 674: my $blanspages = ''; 675: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';} 676: $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}} - '.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$helper->{VARS}->{'assignment'}.'}}} \vskip -5 mm '.$current_output; 677: } 678: $result .= $current_output; 679: &Apache::lonnet::delenv('form.counter'); 680: &Apache::lonxml::init_counter(); 681: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, 682: 'last student '.$fullname); 683: } 684: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); 685: $result .= '\end{document}'; 686: &Apache::lonnet::delenv('form.textwidth'); 687: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') { 688: #prints selected problems from the subdirectory 689: $selectionmade = 6; 690: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'}; 691: @list_of_files=sort @list_of_files; 692: my $flag_latex_header_remove = 'NO'; 693: my $rndseed=time; 694: for (my $i=0;$i<=$#list_of_files;$i++) { 695: my $urlp = $list_of_files[$i]; 696: if ($urlp=~/\//) { 697: my %form; 698: $form{'grade_target'}='tex'; 699: $form{'textwidth'}=$LaTeXwidth; 700: $form{'rndseed'}=$rndseed; 701: if ($urlp =~ m|/home/([^/]+)/public_html|) { 702: $urlp =~ s|/home/([^/]*)/public_html|/~$1|; 703: } else { 704: $urlp =~ s|^/home/httpd/html||; 705: } 706: my $texversion=&Apache::lonnet::ssi($urlp,%form); 707: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 708: my %form; 709: $form{'grade_target'}='answer'; 710: $form{'answer_output_mode'}='tex'; 711: $form{'rndseed'}=$rndseed; 712: my $answer=&Apache::lonnet::ssi($urlp,%form); 713: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 714: } 715: #this chunck is responsible for printing the path to problem 716: my $newurlp = ''; 717: my $HowMany = length($urlp)*2; 718: if ($HowMany > $LaTeXwidth) { 719: my @temporrary = split '/',$urlp; 720: my $HowManyNew = 0; 721: for (my $ii=0;$ii<=$#temporrary;$ii++) { 722: if ($temporrary[$ii] ne '') { 723: $HowManyNew += length($temporrary[$ii])*2; 724: if ($HowManyNew < $LaTeXwidth ) { 725: $newurlp .= '/'.$temporrary[$ii]; 726: } else { 727: $HowManyNew = 0; 728: $newurlp .= '|\vskip -1 mm \noindent \verb|'; 729: $ii--; 730: } 731: } 732: } 733: } 734: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 {\\small\\noindent\\verb|$newurlp\|\\vskip 0 mm}/; 735: if ($flag_latex_header_remove ne 'NO') { 736: $texversion = &latex_header_footer_remove($texversion); 737: } else { 738: $texversion =~ s/\\end{document}//; 739: } 740: $result .= $texversion; 741: } 742: $flag_latex_header_remove = 'YES'; 743: } 744: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;} 745: $result .= '\end{document}'; 746: } 747: #-------------------------------------------------------- corrections for the different page formats 748: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'}); 749: # if ($layout eq 'CBI') { 750: # $laystyle = 'album'; 751: # } 752: $result = &latex_corrections($number_of_columns,$result); 753: # #changes page's parameters for the one column output 754: # if ($ENV{'form.numberofcolumns'} == 1) { 755: # $result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/; 756: # $result =~ s/\\textheight 25\.9cm/\\textheight $ENV{'form.height'}/; 757: # $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $ENV{'form.leftmargin'}/; 758: # $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $ENV{'form.leftmargin'}/; 759: # } 760: #-- writing .tex file in prtspool 761: my $temp_file; 762: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex"; 763: unless ($temp_file = Apache::File->new('>'.$filename)) { 764: $r->log_error("Couldn't open $filename for output $!"); 765: return SERVER_ERROR; 766: } 767: print $temp_file $result; 768: 769: #<meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade"> 770: $r->print(<<FINALEND); 771: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade"> 772: </body> 773: </html> 774: FINALEND 775: } 776: 777: 778: 779: sub handler { 780: 781: my $r = shift; 782: my $helper; 783: 784: # my $loaderror=&Apache::lonnet::overloaderror($r); 785: # if ($loaderror) { return $loaderror; } 786: # $loaderror= 787: # &Apache::lonnet::overloaderror($r, 788: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'}); 789: # if ($loaderror) { return $loaderror; } 790: 791: my $result = printHelper($r); 792: if (!ref($result)) { 793: return $result; 794: } 795: $helper = $result; 796: 797: # my $key; 798: # foreach $key (keys %{$helper->{'VARS'}}) { 799: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />'); 800: # } 801: # return OK; 802: 803: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'}); 804: # $r->print('<br /> START '.$ENV{'request.course.fn'}.' FINISH <br />'); 805: # my $key; 806: # foreach $key (keys %parmhash) { 807: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />'); 808: # } 809: # return OK; 810: 811: 812: &output_data($r,$helper,\%parmhash); 813: return OK; 814: } 815: 816: use Apache::lonhelper; 817: 818: sub printHelper { 819: my $r = shift; 820: 821: if ($ENV{'request.course.id'}) { 822: my $fn=$ENV{'request.course.fn'}; 823: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640); 824: } 825: 826: if ($r->header_only) { 827: if ($ENV{'browser.mathml'}) { 828: $r->content_type('text/xml'); 829: } else { 830: $r->content_type('text/html'); 831: } 832: $r->send_http_header; 833: return OK; 834: } 835: 836: # Send header, nocache 837: if ($ENV{'browser.mathml'}) { 838: $r->content_type('text/xml'); 839: } else { 840: $r->content_type('text/html'); 841: } 842: &Apache::loncommon::no_cache($r); 843: $r->send_http_header; 844: $r->rflush(); 845: 846: # Unfortunately, this helper is so complicated we have to 847: # write it by hand 848: 849: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING}); 850: 851: my $helper = Apache::lonhelper::helper->new("Printing Helper"); 852: $helper->declareVar('symb'); 853: $helper->declareVar('postdata'); 854: $helper->declareVar('filename'); 855: $helper->declareVar('construction'); 856: $helper->declareVar('assignment'); 857: 858: # This will persistently load in the data we want from the 859: # very first screen. 860: # Detect whether we're coming from construction space 861: if ($ENV{'form.postdata'} =~ /http:\/\// ) { 862: $ENV{'form.postdata'} =~ /http:\/\/[a-zA-Z.]+\/~([a-zA-Z0-9]+)\/(.*)/; 863: $helper->{VARS}->{'filename'} = "/home/$1/public_html/$2"; 864: $helper->{VARS}->{'construction'} = 1; 865: } else { 866: if ($ENV{'form.postdata'}) { 867: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'}); 868: } 869: if ($ENV{'form.symb'}) { 870: $helper->{VARS}->{'symb'} = $ENV{'form.symb'}; 871: } 872: if ($ENV{'form.url'}) { 873: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 874: } 875: } 876: 877: if ($ENV{'form.symb'}) { 878: $helper->{VARS}->{'symb'} = $ENV{'form.symb'}; 879: } 880: if ($ENV{'form.url'}) { 881: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 882: 883: } 884: 885: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu; 886: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;} 887: 888: 889: # Extract map 890: my $symb = $helper->{VARS}->{'symb'}; 891: my ($map, $id, $url); 892: my $subdir; 893: 894: # Get the resource name from construction space 895: if ($helper->{VARS}->{'construction'}) { 896: $resourceTitle = substr($helper->{VARS}->{'filename'}, 897: rindex($helper->{VARS}->{'filename'}, '/')+1); 898: $subdir = substr($helper->{VARS}->{'filename'}, 899: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1); 900: } else { 901: ($map, $id, $url) = split(/___/, $symb); 902: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url); 903: 904: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename 905: my $url = $helper->{VARS}->{'postdata'}; 906: $resourceTitle = substr($url, rindex($url, '/') + 1); 907: } 908: $subdir = &Apache::lonnet::filelocation("", $url); 909: } 910: 911: Apache::lonhelper::registerHelperTags(); 912: 913: # "Delete everything after the last slash." 914: $subdir =~ s|/[^/]+$||; 915: if (not $helper->{VARS}->{'construction'}) { 916: $subdir='/home/httpd/html/res/'.$subdir; 917: } 918: 919: # What can be printed is a very dynamic decision based on 920: # lots of factors. So we need to dynamically build this list. 921: # To prevent security leaks, states are only added to the wizard 922: # if they can be reached, which ensures manipulating the form input 923: # won't allow anyone to reach states they shouldn't have permission 924: # to reach. 925: 926: # printChoices is tracking the kind of printing the user can 927: # do, and will be used in a choices construction later. 928: # In the meantime we will be adding states and elements to 929: # the helper by hand. 930: my $printChoices = []; 931: my $paramHash; 932: 933: if ($resourceTitle) { 934: push @{$printChoices}, ["<b>$resourceTitle</b> (prints what you just saw on the screen)", 'current_document', 'PAGESIZE']; 935: } 936: 937: $r->print($helper->{VARS}->{'postdata'}); 938: 939: # If we're in a sequence... 940: if ($helper->{'VARS'}->{'construction'} ne '1') { 941: # Allow problems from sequence 942: push @{$printChoices}, ["Problem(s) from <b>$sequenceTitle</b>", 'map_problems', 'CHOOSE_PROBLEMS']; 943: # Allow all resources from sequence 944: push @{$printChoices}, ["Everything (problem(s), page(s), html/xml file(s)) from <b>$sequenceTitle</b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML']; 945: 946: my $isProblem = '$res->is_problem();'; 947: my $isProblemOrMap = '$res->is_problem() || $res->is_map()'; 948: my $isNotMap = '!$res->is_map();'; 949: my $symb = '$res->symb();'; 950: my $helperFragment = <<HELPERFRAGMENT; 951: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print"> 952: <message>(mark them then click "next" button) <br /></message> 953: <resource variable="RESOURCES" multichoice="1" toponly='1'> 954: <nextstate>PAGESIZE</nextstate> 955: <filterfunc>return $isProblem</filterfunc> 956: <mapurl>$map</mapurl> 957: <valuefunc>return $symb</valuefunc> 958: </resource> 959: </state> 960: 961: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print"> 962: <message>(mark them then click "next" button) <br /></message> 963: <resource variable="RESOURCES" multichoice="1" toponly='1'> 964: <nextstate>PAGESIZE</nextstate> 965: <filterfunc>return $isNotMap;</filterfunc> 966: <mapurl>$map</mapurl> 967: <valuefunc>return $symb</valuefunc> 968: </resource> 969: </state> 970: HELPERFRAGMENT 971: 972: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 973: } 974: 975: # If the user is priviledged, allow them to print all 976: # problems in the course, optionally for selected students 977: if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($helper->{VARS}->{'postdata'}=~/\/res\//)) { 978: push @{$printChoices}, ['<b>Problems</b> in this course', 'all_problems', 'ALL_PROBLEMS']; 979: push @{$printChoices}, ["Problems from <b>$sequenceTitle</b> for selected students", 'problems_for_students', 'CHOOSE_STUDENTS']; 980: 981: my $isProblem = '$res->is_problem();'; 982: my $isProblemOrMap = '$res->is_problem() || $res->is_map()'; 983: my $symb = '$res->symb();'; 984: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS); 985: <state name="ALL_PROBLEMS" title="Select Problem(s) to print"> 986: <message>(mark them then click "next" button) <br /></message> 987: <resource variable="RESOURCES" multichoice="1" suppressEmptySequences='1'> 988: <nextstate>PAGESIZE</nextstate> 989: <filterfunc>return $isProblemOrMap</filterfunc> 990: <choicefunc>return $isProblem</choicefunc> 991: <valuefunc>return $symb</valuefunc> 992: </resource> 993: </state> 994: 995: <state name="CHOOSE_STUDENTS" title="Choose Students whose assignments you want to print"> 996: <message>(do not forget to select assignment itself - make another selection below) <br /></message> 997: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" /> 998: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message> 999: <resource variable="RESOURCES" multichoice="1"> 1000: <filterfunc>return $isProblem</filterfunc> 1001: <mapurl>$map</mapurl> 1002: <valuefunc>return $symb</valuefunc> 1003: </resource> 1004: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> 1005: <choices variable="EMPTY_PAGES"> 1006: <choice computer='0'>Start each student's assignment on a new page (add a pagefeed after each assignment)</choice> 1007: <choice computer='1'>Add one empty page after each student's assignment</choice> 1008: <choice computer='2'>Add two empty pages after each student's assignment</choice> 1009: </choices> 1010: </state> 1011: CHOOSE_STUDENTS 1012: } 1013: 1014: # FIXME: That RE should come from a library somewhere. 1015: if (((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) { 1016: push @{$printChoices}, ["Problems from current subdirectory <b>$subdir</b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR']; 1017: 1018: my $f = '$filename'; 1019: my $xmlfrag = <<CHOOSE_FROM_SUBDIR; 1020: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print"> 1021: <message>(mark them then click "next" button) <br /></message> 1022: <files variable="FILES" multichoice='1'> 1023: <nextstate>PAGESIZE</nextstate> 1024: <filechoice>return '$subdir';</filechoice> 1025: CHOOSE_FROM_SUBDIR 1026: 1027: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR'; 1028: <filefilter>return $filename =~ 1029: m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/; 1030: </filefilter> 1031: </files> 1032: </state> 1033: CHOOSE_FROM_SUBDIR 1034: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 1035: } 1036: 1037: # Generate the first state, to select which resources get printed. 1038: Apache::lonhelper::state->new("START", "What do you want to print? Make a choice."); 1039: $paramHash = Apache::lonhelper::getParamHash(); 1040: $paramHash->{MESSAGE_TEXT} = ""; 1041: Apache::lonhelper::message->new(); 1042: $paramHash = Apache::lonhelper::getParamHash(); 1043: $paramHash->{'variable'} = 'PRINT_TYPE'; 1044: $helper->declareVar('PRINT_TYPE'); 1045: $paramHash->{CHOICES} = $printChoices; 1046: Apache::lonhelper::choices->new(); 1047: 1048: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or 1049: ($helper->{VARS}->{'construction'} eq '1')) { 1050: $paramHash = Apache::lonhelper::getParamHash(); 1051: $paramHash->{MESSAGE_TEXT} = "<br /><big><b><i>Next option is available only for advanced users:</i></b></big><br />"; 1052: Apache::lonhelper::message->new(); 1053: $paramHash = Apache::lonhelper::getParamHash(); 1054: $paramHash->{'variable'} = 'ANSWER_TYPE'; 1055: $helper->declareVar('ANSWER_TYPE'); 1056: $paramHash->{CHOICES} = [ 1057: ['Print without answer', 'yes'], 1058: ['Print with answers', 'no'] ]; 1059: Apache::lonhelper::choices->new(); 1060: } 1061: 1062: Apache::lonprintout::page_format_state->new("FORMAT"); 1063: 1064: # Generate the PAGESIZE state which will offer the user the margin 1065: # choices if they select one column 1066: Apache::lonhelper::state->new("PAGESIZE", "Set Margins"); 1067: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL'); 1068: 1069: 1070: $helper->process(); 1071: 1072: # MANUAL BAILOUT CONDITION: 1073: # If we're in the "final" state, bailout and return to handler 1074: if ($helper->{STATE} eq 'FINAL') { 1075: return $helper; 1076: } 1077: 1078: $r->print($helper->display()); 1079: 1080: Apache::lonhelper::unregisterHelperTags(); 1081: 1082: untie %hash; 1083: 1084: return OK; 1085: } 1086: 1087: 1088: 1; 1089: 1090: package Apache::lonprintout::page_format_state; 1091: 1092: =pod 1093: 1094: =head1 Helper element: page_format_state 1095: 1096: See lonhelper.pm documentation for discussion of the helper framework. 1097: 1098: Apache::lonprintout::page_format_state is an element that gives the 1099: user an opportunity to select the page layout they wish to print 1100: with: Number of columns, portrait/landscape, and paper size. If you 1101: want to change the paper size choices, change the @paperSize array 1102: contents in this package. 1103: 1104: page_format_state is always directly invoked in lonprintout.pm, so there 1105: is no tag interface. You actually pass parameters to the constructor. 1106: 1107: =over 4 1108: 1109: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 1110: 1111: =back 1112: 1113: =cut 1114: 1115: use Apache::lonhelper; 1116: 1117: no strict; 1118: @ISA = ("Apache::lonhelper::element"); 1119: use strict; 1120: 1121: my $maxColumns = 2; 1122: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 1123: "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]", 1124: "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]", 1125: "A5 [148x210 mm]", "A6 [105x148 mm]" ); 1126: 1127: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum | 1128: # Paper type 1129: 1130: sub new { 1131: my $self = Apache::lonhelper::element->new(); 1132: 1133: shift; 1134: 1135: $self->{'variable'} = shift; 1136: my $helper = Apache::lonhelper::getHelper(); 1137: $helper->declareVar($self->{'variable'}); 1138: bless($self); 1139: return $self; 1140: } 1141: 1142: sub render { 1143: my $self = shift; 1144: my $helper = Apache::lonhelper::getHelper(); 1145: my $result = ''; 1146: my $var = $self->{'variable'}; 1147: 1148: $result .= <<STATEHTML; 1149: 1150: <p><big><i><b>What page format do you prefer?</b></i></big></p> 1151: <table cellpadding="3"> 1152: <tr> 1153: <td align="center"><b>Page layout</b></td> 1154: <td align="center"><b>Number of columns</b></td> 1155: <td align="center"><b>Paper type</b></td> 1156: </tr> 1157: <tr> 1158: <td> 1159: <input type="radio" name="${var}.layout" value="L" /> Landscape<br /> 1160: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait 1161: </td> 1162: <td align="center"> 1163: <select name="${var}.cols"> 1164: STATEHTML 1165: 1166: my $i; 1167: for ($i = 1; $i <= $maxColumns; $i++) { 1168: if ($i == 2) { 1169: $result .= "<option value='$i' selected>$i</option>\n"; 1170: } else { 1171: $result .= "<option value='$i'>$i</option>\n"; 1172: } 1173: } 1174: 1175: $result .= "</select></td><td>\n"; 1176: $result .= "<select name='${var}.paper'>\n"; 1177: 1178: $i = 0; 1179: foreach (@paperSize) { 1180: if ($i == 0) { 1181: $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n"; 1182: } else { 1183: $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n"; 1184: } 1185: $i++; 1186: } 1187: 1188: $result .= "</select></td></tr></table>"; 1189: return $result; 1190: } 1191: 1192: sub postprocess { 1193: my $self = shift; 1194: 1195: my $var = $self->{'variable'}; 1196: my $helper = Apache::lonhelper->getHelper(); 1197: $helper->{VARS}->{$var} = 1198: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' . 1199: $ENV{"form.$var.paper"}; 1200: return 1; 1201: } 1202: 1203: 1; 1204: 1205: package Apache::lonprintout::page_size_state; 1206: 1207: =pod 1208: 1209: =head1 Helper element: page_size_state 1210: 1211: See lonhelper.pm documentation for discussion of the helper framework. 1212: 1213: Apache::lonprintout::page_size_state is an element that gives the 1214: user the opportunity to further refine the page settings if they 1215: select a single-column page. 1216: 1217: page_size_state is always directly invoked in lonprintout.pm, so there 1218: is no tag interface. You actually pass parameters to the constructor. 1219: 1220: =over 4 1221: 1222: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 1223: 1224: =back 1225: 1226: =cut 1227: 1228: use Apache::lonhelper; 1229: 1230: no strict; 1231: @ISA = ("Apache::lonhelper::element"); 1232: use strict; 1233: 1234: 1235: 1236: sub new { 1237: my $self = Apache::lonhelper::element->new(); 1238: 1239: shift; # disturbs me (probably prevents subclassing) but works (drops 1240: # package descriptor)... - Jeremy 1241: 1242: $self->{'variable'} = shift; 1243: my $helper = Apache::lonhelper::getHelper(); 1244: $helper->declareVar($self->{'variable'}); 1245: 1246: # The variable name of the format element, so we can look into 1247: # $helper->{VARS} to figure out whether the columns are one or two 1248: $self->{'formatvar'} = shift; 1249: 1250: # The state to transition to after selection, or after discovering 1251: # the cols are not set to 1 1252: $self->{NEXTSTATE} = shift; 1253: bless($self); 1254: return $self; 1255: } 1256: 1257: sub render { 1258: my $self = shift; 1259: my $helper = Apache::lonhelper::getHelper(); 1260: my $result = ''; 1261: my $var = $self->{'variable'}; 1262: 1263: if (defined $self->{ERROR_MSG}) { 1264: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />'; 1265: } 1266: 1267: $result .= <<ELEMENTHTML; 1268: 1269: <p>How should the column be formatted?</p> 1270: 1271: <table cellpadding='3'> 1272: <tr> 1273: <td align='right'><b>Width</b>:</td> 1274: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td> 1275: <td align='left'> 1276: <select name='$var.widthunit'> 1277: <option>cm</option><option>in</option> 1278: </select> 1279: </td> 1280: </tr> 1281: <tr> 1282: <td align='right'><b>Height</b>:</td> 1283: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td> 1284: <td align='left'> 1285: <select name='$var.heightunit'> 1286: <option>cm</option><option>in</option> 1287: </select> 1288: </td> 1289: </tr> 1290: <tr> 1291: <td align='right'><b>Left margin</b>:</td> 1292: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td> 1293: <td align='left'> 1294: <select name='$var.heightunit'> 1295: <option>cm</option><option>in</option> 1296: </select> 1297: </td> 1298: </tr> 1299: </table> 1300: 1301: <p>Hint: Some instructors like to leave scratch space for the student by 1302: making the width much smaller then the width of the page.</p> 1303: 1304: ELEMENTHTML 1305: 1306: return $result; 1307: } 1308: 1309: # If the user didn't select 1 column, skip this state. 1310: sub preprocess { 1311: my $self = shift; 1312: my $helper = Apache::lonhelper::getHelper(); 1313: 1314: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 1315: if (substr($format, 2, 1) ne '1') { 1316: $helper->changeState($self->{NEXTSTATE}); 1317: } 1318: 1319: return 1; 1320: } 1321: 1322: sub postprocess { 1323: my $self = shift; 1324: 1325: my $var = $self->{'variable'}; 1326: my $helper = Apache::lonhelper->getHelper(); 1327: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"}; 1328: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"}; 1329: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"}; 1330: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"}; 1331: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"}; 1332: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"}; 1333: 1334: my $error = ''; 1335: 1336: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 1337: # by an optional period, followed by digits, ending the string 1338: 1339: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) { 1340: $error .= "Invalid width; please type only a number.<br />\n"; 1341: } 1342: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) { 1343: $error .= "Invalid height; please type only a number.<br />\n"; 1344: } 1345: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) { 1346: $error .= "Invalid left margin; please type only a number.<br />\n"; 1347: } 1348: 1349: if (!$error) { 1350: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE}); 1351: return 1; 1352: } else { 1353: $self->{ERROR_MSG} = $error; 1354: return 0; 1355: } 1356: } 1357: 1358: 1359: 1360: __END__ 1361: