loncom/interface/lonprintout.pm - view

File: [LON-CAPA] / loncom / interface / lonprintout.pm
Revision 1.411: download - view: text, annotated - select for diffs
Fri Dec 23 08:02:24 2005 UTC (18 years, 10 months ago) by albertel
Branches: MAIN
CVS tags: HEAD

- the parsing of a <dropdown> with thousands of choices takes way to long, disabling for now

1: # The LearningOnline Network 2: # Printout 3: # 4: # $Id: lonprintout.pm,v 1.411 2005/12/23 08:02:24 albertel 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: # 29: package Apache::lonprintout; 30: 31: use strict; 32: use Apache::Constants qw(:common :http); 33: use Apache::lonxml; 34: use Apache::lonnet; 35: use Apache::loncommon; 36: use Apache::inputtags; 37: use Apache::grades; 38: use Apache::edit; 39: use Apache::File(); 40: use Apache::lonnavmaps; 41: use Apache::lonratedt; 42: use POSIX qw(strftime); 43: use Apache::lonlocal; 44: 45: my %perm; 46: 47: # 48: # Convert a numeric code to letters 49: # 50: sub num_to_letters { 51: my ($num) = @_; 52: my @nums= split('',$num); 53: my @num_to_let=('A'..'Z'); 54: my $word; 55: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; } 56: return $word; 57: } 58: # Convert a letter code to numeric. 59: # 60: sub letters_to_num { 61: my ($letters) = @_; 62: my @letters = split('', uc($letters)); 63: my %substitution; 64: my $digit = 0; 65: foreach my $letter ('A'..'J') { 66: $substitution{$letter} = $digit; 67: $digit++; 68: } 69: # The substitution is done as below to preserve leading 70: # zeroes which are needed to keep the code size exact 71: # 72: my $result =""; 73: foreach my $letter (@letters) { 74: $result.=$substitution{$letter}; 75: } 76: return $result; 77: } 78: 79: # Determine if a code is a valid numeric code. Valid 80: # numeric codes must be comprised entirely of digits and 81: # have a correct number of digits. 82: # 83: # Parameters: 84: # value - proposed code value. 85: # num_digits - Number of digits required. 86: # 87: sub is_valid_numeric_code { 88: my ($value, $num_digits) = @_; 89: # Remove leading/trailing whitespace; 90: $value =~ s/^\s*//g; 91: $value =~ s/\s*$//g; 92: 93: # All digits? 94: if ($value !~ /^[0-9]+$/) { 95: return "Numeric code $value has invalid characters - must only be digits"; 96: } 97: if (length($value) != $num_digits) { 98: return "Numeric code $value incorrect number of digits (correct = $num_digits)"; 99: } 100: return undef; 101: } 102: # Determines if a code is a valid alhpa code. Alpha codes 103: # are ciphers that map [A-J,a-j] -> 0..9 0..9. 104: # They also have a correct digit count. 105: # Parameters: 106: # value - Proposed code value. 107: # num_letters - correct number of letters. 108: # Note: 109: # leading and trailing whitespace are ignored. 110: # 111: sub is_valid_alpha_code { 112: my ($value, $num_letters) = @_; 113: 114: # strip leading and trailing spaces. 115: 116: $value =~ s/^\s*//g; 117: $value =~ s/\s*$//g; 118: 119: # All alphas in the right range? 120: if ($value !~ /^[A-J,a-j]+$/) { 121: return "Invalid letter code $value must only contain A-J"; 122: } 123: if (length($value) != $num_letters) { 124: return "Letter code $value has incorrect number of letters (correct = $num_letters)"; 125: } 126: return undef; 127: } 128: 129: # Determine if a code entered by the user in a helper is valid. 130: # valid depends on the code type and the type of code selected. 131: # The type of code selected can either be numeric or 132: # Alphabetic. If alphabetic, the code, in fact is a simple 133: # substitution cipher for the actual numeric code: 0->A, 1->B ... 134: # We'll be nice and be case insensitive for alpha codes. 135: # Parameters: 136: # code_value - the value of the code the user typed in. 137: # code_option - The code type selected from the set in the scantron format 138: # table. 139: # Returns: 140: # undef - The code is valid. 141: # other - An error message indicating what's wrong. 142: # 143: sub is_code_valid { 144: my ($code_value, $code_option) = @_; 145: my ($code_type, $code_length) = ('letter', 6); # defaults. 146: open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab'); 147: foreach my $line (<FG>) { 148: my ($name, $type, $length) = (split(/:/, $line))[0,2,4]; 149: if($name eq $code_option) { 150: $code_length = $length; 151: if($type eq 'number') { 152: $code_type = 'number'; 153: } 154: } 155: } 156: my $valid; 157: if ($code_type eq 'number') { 158: return &is_valid_numeric_code($code_value, $code_length); 159: } else { 160: return &is_valid_alpha_code($code_value, $code_length); 161: } 162: 163: } 164: 165: # Compare two students by name. The students are in the form 166: # returned by the helper: 167: # user:domain:section:last, first:status 168: # This is a helper function for the perl sort built-in therefore: 169: # Implicit Inputs: 170: # $a - The first element to compare (global) 171: # $b - The second element to compare (global) 172: # Returns: 173: # -1 - $a < $b 174: # 0 - $a == $b 175: # +1 - $a > $b 176: # Note that the initial comparison is done on the last names with the 177: # first names only used to break the tie. 178: # 179: # 180: sub compare_names { 181: # First split the names up into the primary fields. 182: 183: my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a); 184: my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b); 185: 186: # Now split the last name and first name of each n: 187: # 188: 189: my ($l1,$f1) = split(/,/, $n1); 190: my ($l2,$f2) = split(/,/, $n2); 191: 192: # We don't bother to remove the leading/trailing whitespace from the 193: # firstname, unless the last names compare identical. 194: 195: if($l1 lt $l2) { 196: return -1; 197: } 198: if($l1 gt $l2) { 199: return 1; 200: } 201: 202: # Break the tie on the first name, but there are leading (possibly trailing 203: # whitespaces to get rid of first 204: # 205: $f1 =~ s/^\s+//; # Remove leading... 206: $f1 =~ s/\s+$//; # Trailing spaces from first 1... 207: 208: $f2 =~ s/^\s+//; 209: $f2 =~ s/\s+$//; # And the same for first 2... 210: 211: if($f1 lt $f2) { 212: return -1; 213: } 214: if($f1 gt $f2) { 215: return 1; 216: } 217: 218: # Must be the same name. 219: 220: return 0; 221: } 222: 223: sub latex_header_footer_remove { 224: my $text = shift; 225: $text =~ s/\\end{document}//; 226: $text =~ s/\\documentclass([^&]*)\\begin{document}//; 227: return $text; 228: } 229: 230: 231: sub character_chart { 232: my $result = shift; 233: $result =~ s/&\#0?0?(7|9);//g; 234: $result =~ s/&\#0?(10|13);//g; 235: $result =~ s/&\#0?32;/ /g; 236: $result =~ s/&\#0?33;/!/g; 237: $result =~ s/&(\#0?34|quot);/\"/g; 238: $result =~ s/&\#0?35;/\\\#/g; 239: $result =~ s/&\#0?36;/\\\$/g; 240: $result =~ s/&\#0?37;/\\%/g; 241: $result =~ s/&(\#0?38|amp);/\\&/g; 242: $result =~ s/&\#(0?39|146);/\'/g; 243: $result =~ s/&\#0?40;/(/g; 244: $result =~ s/&\#0?41;/)/g; 245: $result =~ s/&\#0?42;/\*/g; 246: $result =~ s/&\#0?43;/\+/g; 247: $result =~ s/&\#(0?44|130);/,/g; 248: $result =~ s/&\#0?45;/-/g; 249: $result =~ s/&\#0?46;/\./g; 250: $result =~ s/&\#0?47;/\//g; 251: $result =~ s/&\#0?48;/0/g; 252: $result =~ s/&\#0?49;/1/g; 253: $result =~ s/&\#0?50;/2/g; 254: $result =~ s/&\#0?51;/3/g; 255: $result =~ s/&\#0?52;/4/g; 256: $result =~ s/&\#0?53;/5/g; 257: $result =~ s/&\#0?54;/6/g; 258: $result =~ s/&\#0?55;/7/g; 259: $result =~ s/&\#0?56;/8/g; 260: $result =~ s/&\#0?57;/9/g; 261: $result =~ s/&\#0?58;/:/g; 262: $result =~ s/&\#0?59;/;/g; 263: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g; 264: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g; 265: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g; 266: $result =~ s/&\#0?63;/\?/g; 267: $result =~ s/&\#0?65;/A/g; 268: $result =~ s/&\#0?66;/B/g; 269: $result =~ s/&\#0?67;/C/g; 270: $result =~ s/&\#0?68;/D/g; 271: $result =~ s/&\#0?69;/E/g; 272: $result =~ s/&\#0?70;/F/g; 273: $result =~ s/&\#0?71;/G/g; 274: $result =~ s/&\#0?72;/H/g; 275: $result =~ s/&\#0?73;/I/g; 276: $result =~ s/&\#0?74;/J/g; 277: $result =~ s/&\#0?75;/K/g; 278: $result =~ s/&\#0?76;/L/g; 279: $result =~ s/&\#0?77;/M/g; 280: $result =~ s/&\#0?78;/N/g; 281: $result =~ s/&\#0?79;/O/g; 282: $result =~ s/&\#0?80;/P/g; 283: $result =~ s/&\#0?81;/Q/g; 284: $result =~ s/&\#0?82;/R/g; 285: $result =~ s/&\#0?83;/S/g; 286: $result =~ s/&\#0?84;/T/g; 287: $result =~ s/&\#0?85;/U/g; 288: $result =~ s/&\#0?86;/V/g; 289: $result =~ s/&\#0?87;/W/g; 290: $result =~ s/&\#0?88;/X/g; 291: $result =~ s/&\#0?89;/Y/g; 292: $result =~ s/&\#0?90;/Z/g; 293: $result =~ s/&\#0?91;/[/g; 294: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g; 295: $result =~ s/&\#0?93;/]/g; 296: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g; 297: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g; 298: $result =~ s/&\#(0?96|145);/\`/g; 299: $result =~ s/&\#0?97;/a/g; 300: $result =~ s/&\#0?98;/b/g; 301: $result =~ s/&\#0?99;/c/g; 302: $result =~ s/&\#100;/d/g; 303: $result =~ s/&\#101;/e/g; 304: $result =~ s/&\#102;/f/g; 305: $result =~ s/&\#103;/g/g; 306: $result =~ s/&\#104;/h/g; 307: $result =~ s/&\#105;/i/g; 308: $result =~ s/&\#106;/j/g; 309: $result =~ s/&\#107;/k/g; 310: $result =~ s/&\#108;/l/g; 311: $result =~ s/&\#109;/m/g; 312: $result =~ s/&\#110;/n/g; 313: $result =~ s/&\#111;/o/g; 314: $result =~ s/&\#112;/p/g; 315: $result =~ s/&\#113;/q/g; 316: $result =~ s/&\#114;/r/g; 317: $result =~ s/&\#115;/s/g; 318: $result =~ s/&\#116;/t/g; 319: $result =~ s/&\#117;/u/g; 320: $result =~ s/&\#118;/v/g; 321: $result =~ s/&\#119;/w/g; 322: $result =~ s/&\#120;/x/g; 323: $result =~ s/&\#121;/y/g; 324: $result =~ s/&\#122;/z/g; 325: $result =~ s/&\#123;/\\{/g; 326: $result =~ s/&\#124;/\|/g; 327: $result =~ s/&\#125;/\\}/g; 328: $result =~ s/&\#126;/\~/g; 329: $result =~ s/&\#131;/\\textflorin /g; 330: $result =~ s/&\#132;/\"/g; 331: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g; 332: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g; 333: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g; 334: $result =~ s/&\#137;/\\textperthousand /g; 335: $result =~ s/&\#140;/{\\OE}/g; 336: $result =~ s/&\#147;/\`\`/g; 337: $result =~ s/&\#148;/\'\'/g; 338: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g; 339: $result =~ s/&\#150;/--/g; 340: $result =~ s/&\#151;/---/g; 341: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g; 342: $result =~ s/&\#153;/\\texttrademark /g; 343: $result =~ s/&\#156;/\\oe/g; 344: $result =~ s/&\#159;/\\\"Y/g; 345: $result =~ s/&(\#160|nbsp);/~/g; 346: $result =~ s/&(\#161|iexcl);/!\`/g; 347: $result =~ s/&(\#162|cent);/\\textcent /g; 348: $result =~ s/&(\#163|pound);/\\pounds /g; 349: $result =~ s/&(\#164|curren);/\\textcurrency /g; 350: $result =~ s/&(\#165|yen);/\\textyen /g; 351: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; 352: $result =~ s/&(\#167|sect);/\\textsection /g; 353: $result =~ s/&(\#168|uml);/\\texthighdieresis /g; 354: $result =~ s/&(\#169|copy);/\\copyright /g; 355: $result =~ s/&(\#170|ordf);/\\textordfeminine /g; 356: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g; 357: $result =~ s/&(\#173|shy);/ - /g; 358: $result =~ s/&(\#174|reg);/\\textregistered /g; 359: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g; 360: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g; 361: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g; 362: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g; 363: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g; 364: $result =~ s/&(\#180|acute);/\\textacute /g; 365: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g; 366: $result =~ s/&(\#182|para);/\\P/g; 367: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g; 368: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; 369: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g; 370: $result =~ s/&(\#186|ordm);/\\textordmasculine /g; 371: $result =~ s/&(\#188|frac14);/\\textonequarter /g; 372: $result =~ s/&(\#189|frac12);/\\textonehalf /g; 373: $result =~ s/&(\#190|frac34);/\\textthreequarters /g; 374: $result =~ s/&(\#191|iquest);/?\`/g; 375: $result =~ s/&(\#192|Agrave);/\\\`{A}/g; 376: $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 377: $result =~ s/&(\#194|Acirc);/\\^{A}/g; 378: $result =~ s/&(\#195|Atilde);/\\~{A}/g; 379: $result =~ s/&(\#196|Auml);/\\\"{A}/g; 380: $result =~ s/&(\#197|Aring);/{\\AA}/g; 381: $result =~ s/&(\#198|AElig);/{\\AE}/g; 382: $result =~ s/&(\#199|Ccedil);/\\c{c}/g; 383: $result =~ s/&(\#200|Egrave);/\\\`{E}/g; 384: $result =~ s/&(\#201|Eacute);/\\\'{E}/g; 385: $result =~ s/&(\#202|Ecirc);/\\^{E}/g; 386: $result =~ s/&(\#203|Euml);/\\\"{E}/g; 387: $result =~ s/&(\#204|Igrave);/\\\`{I}/g; 388: $result =~ s/&(\#205|Iacute);/\\\'{I}/g; 389: $result =~ s/&(\#206|Icirc);/\\^{I}/g; 390: $result =~ s/&(\#207|Iuml);/\\\"{I}/g; 391: $result =~ s/&(\#209|Ntilde);/\\~{N}/g; 392: $result =~ s/&(\#210|Ograve);/\\\`{O}/g; 393: $result =~ s/&(\#211|Oacute);/\\\'{O}/g; 394: $result =~ s/&(\#212|Ocirc);/\\^{O}/g; 395: $result =~ s/&(\#213|Otilde);/\\~{O}/g; 396: $result =~ s/&(\#214|Ouml);/\\\"{O}/g; 397: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g; 398: $result =~ s/&(\#216|Oslash);/{\\O}/g; 399: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g; 400: $result =~ s/&(\#218|Uacute);/\\\'{U}/g; 401: $result =~ s/&(\#219|Ucirc);/\\^{U}/g; 402: $result =~ s/&(\#220|Uuml);/\\\"{U}/g; 403: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g; 404: $result =~ s/&(\#223|szlig);/{\\ss}/g; 405: $result =~ s/&(\#224|agrave);/\\\`{a}/g; 406: $result =~ s/&(\#225|aacute);/\\\'{a}/g; 407: $result =~ s/&(\#226|acirc);/\\^{a}/g; 408: $result =~ s/&(\#227|atilde);/\\~{a}/g; 409: $result =~ s/&(\#228|auml);/\\\"{a}/g; 410: $result =~ s/&(\#229|aring);/{\\aa}/g; 411: $result =~ s/&(\#230|aelig);/{\\ae}/g; 412: $result =~ s/&(\#231|ccedil);/\\c{c}/g; 413: $result =~ s/&(\#232|egrave);/\\\`{e}/g; 414: $result =~ s/&(\#233|eacute);/\\\'{e}/g; 415: $result =~ s/&(\#234|ecirc);/\\^{e}/g; 416: $result =~ s/&(\#235|euml);/\\\"{e}/g; 417: $result =~ s/&(\#236|igrave);/\\\`{i}/g; 418: $result =~ s/&(\#237|iacute);/\\\'{i}/g; 419: $result =~ s/&(\#238|icirc);/\\^{i}/g; 420: $result =~ s/&(\#239|iuml);/\\\"{i}/g; 421: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g; 422: $result =~ s/&(\#241|ntilde);/\\~{n}/g; 423: $result =~ s/&(\#242|ograve);/\\\`{o}/g; 424: $result =~ s/&(\#243|oacute);/\\\'{o}/g; 425: $result =~ s/&(\#244|ocirc);/\\^{o}/g; 426: $result =~ s/&(\#245|otilde);/\\~{o}/g; 427: $result =~ s/&(\#246|ouml);/\\\"{o}/g; 428: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g; 429: $result =~ s/&(\#248|oslash);/{\\o}/g; 430: $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 431: $result =~ s/&(\#250|uacute);/\\\'{u}/g; 432: $result =~ s/&(\#251|ucirc);/\\^{u}/g; 433: $result =~ s/&(\#252|uuml);/\\\"{u}/g; 434: $result =~ s/&(\#253|yacute);/\\\'{y}/g; 435: $result =~ s/&(\#255|yuml);/\\\"{y}/g; 436: $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g; 437: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g; 438: #Greek Alphabet 439: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g; 440: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g; 441: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g; 442: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g; 443: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g; 444: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g; 445: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g; 446: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g; 447: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g; 448: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g; 449: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g; 450: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g; 451: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g; 452: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g; 453: $result =~ s/&(omicron|\#959);/o/g; 454: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g; 455: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g; 456: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g; 457: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g; 458: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g; 459: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g; 460: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g; 461: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g; 462: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g; 463: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g; 464: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g; 465: $result =~ s/&(Alpha|\#913);/A/g; 466: $result =~ s/&(Beta|\#914);/B/g; 467: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g; 468: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g; 469: $result =~ s/&(Epsilon|\#917);/E/g; 470: $result =~ s/&(Zeta|\#918);/Z/g; 471: $result =~ s/&(Eta|\#919);/H/g; 472: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g; 473: $result =~ s/&(Iota|\#921);/I/g; 474: $result =~ s/&(Kappa|\#922);/K/g; 475: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g; 476: $result =~ s/&(Mu|\#924);/M/g; 477: $result =~ s/&(Nu|\#925);/N/g; 478: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g; 479: $result =~ s/&(Omicron|\#927);/O/g; 480: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g; 481: $result =~ s/&(Rho|\#929);/P/g; 482: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g; 483: $result =~ s/&(Tau|\#932);/T/g; 484: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g; 485: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g; 486: $result =~ s/&(Chi|\#935);/X/g; 487: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g; 488: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g; 489: #Arrows (extended HTML 4.01) 490: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g; 491: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g; 492: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g; 493: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g; 494: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g; 495: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g; 496: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g; 497: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g; 498: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g; 499: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g; 500: #Mathematical Operators (extended HTML 4.01) 501: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g; 502: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g; 503: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g; 504: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g; 505: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g; 506: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g; 507: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g; 508: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g; 509: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g; 510: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g; 511: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g; 512: $result =~ s/–/\\ensuremath\{-\}/g; 513: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g; 514: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g; 515: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g; 516: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g; 517: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g; 518: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g; 519: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g; 520: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g; 521: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g; 522: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g; 523: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g; 524: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g; 525: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g; 526: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g; 527: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g; 528: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g; 529: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g; 530: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g; 531: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g; 532: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g; 533: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g; 534: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g; 535: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g; 536: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g; 537: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g; 538: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g; 539: #Geometric Shapes (extended HTML 4.01) 540: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g; 541: #Miscellaneous Symbols (extended HTML 4.01) 542: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g; 543: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g; 544: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g; 545: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g; 546: return $result; 547: } 548: 549: 550: #width, height, oddsidemargin, evensidemargin, topmargin 551: my %page_formats= 552: ('letter' => { 553: 'book' => { 554: '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'], 555: '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'] 556: }, 557: 'album' => { 558: '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'], 559: '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in'] 560: }, 561: }, 562: 'legal' => { 563: 'book' => { 564: '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'], 565: '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in'] 566: }, 567: 'album' => { 568: '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'], 569: '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in'] 570: }, 571: }, 572: 'tabloid' => { 573: 'book' => { 574: '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'], 575: '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in'] 576: }, 577: 'album' => { 578: '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'], 579: '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in'] 580: }, 581: }, 582: 'executive' => { 583: 'book' => { 584: '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'], 585: '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in'] 586: }, 587: 'album' => { 588: '1' => [], 589: '2' => [] 590: }, 591: }, 592: 'a2' => { 593: 'book' => { 594: '1' => [], 595: '2' => [] 596: }, 597: 'album' => { 598: '1' => [], 599: '2' => [] 600: }, 601: }, 602: 'a3' => { 603: 'book' => { 604: '1' => [], 605: '2' => [] 606: }, 607: 'album' => { 608: '1' => [], 609: '2' => [] 610: }, 611: }, 612: 'a4' => { 613: 'book' => { 614: '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'], 615: '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in'] 616: }, 617: 'album' => { 618: '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'], 619: '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in'] 620: }, 621: }, 622: 'a5' => { 623: 'book' => { 624: '1' => [], 625: '2' => [] 626: }, 627: 'album' => { 628: '1' => [], 629: '2' => [] 630: }, 631: }, 632: 'a6' => { 633: 'book' => { 634: '1' => [], 635: '2' => [] 636: }, 637: 'album' => { 638: '1' => [], 639: '2' => [] 640: }, 641: }, 642: ); 643: 644: sub page_format { 645: # 646: #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 647: # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]", 648: # "A2 [420x594 mm]", "A3 [297x420 mm]", 649: # "A4 [210x297 mm]", "A5 [148x210 mm]", 650: # "A6 [105x148 mm]" 651: # 652: my ($papersize,$layout,$numberofcolumns) = @_; 653: return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}}; 654: } 655: 656: 657: sub get_name { 658: my ($uname,$udom)=@_; 659: if (!defined($uname)) { $uname=$env{'user.name'}; } 660: if (!defined($udom)) { $udom=$env{'user.domain'}; } 661: my $plainname=&Apache::loncommon::plainname($uname,$udom); 662: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; } 663: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header'); 664: return $plainname; 665: } 666: 667: sub get_course { 668: my $courseidinfo; 669: if (defined($env{'request.course.id'})) { 670: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header'); 671: } 672: return $courseidinfo; 673: } 674: 675: sub page_format_transformation { 676: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 677: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin); 678: if ($selectionmade eq '4') { 679: $assignment='Problems from the Whole Course'; 680: } else { 681: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header'); 682: } 683: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin); 684: my $name = &get_name(); 685: my $courseidinfo = &get_course(); 686: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 687: my $topmargintoinsert = ''; 688: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';} 689: my $fancypagestatement=''; 690: if ($numberofcolumns eq '2') { 691: $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}"; 692: } else { 693: $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}"; 694: } 695: if ($layout eq 'album') { 696: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /; 697: } elsif ($layout eq 'book') { 698: if ($choice ne 'All class print') { 699: $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/; 700: } else { 701: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /; 702: } 703: if ($papersize eq 'a4') { 704: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/; 705: } 706: } 707: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;} 708: if ($indexlist eq 'yes') { 709: $text=~s/(\\begin{document})/\\makeindex $1/; 710: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/; 711: } 712: return $text; 713: } 714: 715: 716: sub page_cleanup { 717: my $result = shift; 718: 719: $result =~ m/\\end{document}(\d*)$/; 720: my $number_of_columns = $1; 721: my $insert = '{'; 722: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; } 723: $insert .= '}'; 724: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; 725: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g; 726: return $result,$number_of_columns; 727: } 728: 729: 730: sub details_for_menu { 731: my ($helper)=@_; 732: my $postdata=$env{'form.postdata'}; 733: if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; } 734: my $name_of_resource = &Apache::lonnet::gettitle($postdata); 735: my $symbolic = &Apache::lonnet::symbread($postdata); 736: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic); 737: $map=&Apache::lonnet::clutter($map); 738: my $name_of_sequence = &Apache::lonnet::gettitle($map); 739: if ($name_of_sequence =~ /^\s*$/) { 740: $map =~ m|([^/]+)$|; 741: $name_of_sequence = $1; 742: } 743: my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'}); 744: if ($name_of_map =~ /^\s*$/) { 745: $env{'request.course.uri'} =~ m|([^/]+)$|; 746: $name_of_map = $1; 747: } 748: return ($name_of_resource,$name_of_sequence,$name_of_map); 749: } 750: 751: 752: sub latex_corrections { 753: my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_; 754: 755: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; 756: $result =~ s/\$number_of_columns/$number_of_columns/g; 757: if ($selectionmade eq '1' || $answer_mode eq 'only') { 758: $result =~ s/(\\end{document})/\\strut\\vskip 0 mm\\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/; 759: } else { 760: $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/; 761: } 762: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; 763: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g; 764: #-- LaTeX corrections 765: my $first_comment = index($result,'',$first_comment); 768: substr($result,$first_comment,$end_comment-$first_comment+3) = ''; 769: $first_comment = index($result,'<!--',$first_comment); 770: } 771: $result =~ s/^\s+$//gm; #remove empty lines 772: #removes more than one empty space 773: $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge; 774: $result =~ s/\\\\\s*\\vskip/\\vskip/gm; 775: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g; 776: $result =~ s/{\\par }\s*\\\\/\\\\/gm; 777: $result =~ s/\\\\\s+\[/ \[/g; 778: #conversion of html characters to LaTeX equivalents 779: if ($result =~ m/&(\w+|#\d+);/) { 780: $result = &character_chart($result); 781: } 782: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g; 783: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g; 784: 785: return $result; 786: } 787: 788: 789: sub index_table { 790: my $currentURL = shift; 791: my $insex_string=''; 792: $currentURL=~s/\.([^\/+])$/\.$1\.meta/; 793: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords'); 794: return $insex_string; 795: } 796: 797: 798: sub IndexCreation { 799: my ($texversion,$currentURL)=@_; 800: my @key_words=split(/,/,&index_table($currentURL)); 801: my $chunk=''; 802: my $st=index $texversion,'\addcontentsline{toc}{subsection}{'; 803: if ($st>0) { 804: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);} 805: $chunk=substr($texversion,0,$st+1); 806: substr($texversion,0,$st+1)=' '; 807: } 808: foreach my $key_word (@key_words) { 809: if ($key_word=~/\S+/) { 810: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i; 811: } 812: } 813: if ($st>0) {substr($texversion,0,1)=$chunk;} 814: return $texversion; 815: } 816: 817: sub print_latex_header { 818: my $mode=shift; 819: my $output='\documentclass[letterpaper,twoside]{article}'; 820: if (($mode eq 'batchmode') || (!$perm{'pav'})) { 821: $output.='\batchmode'; 822: } 823: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n". 824: '\usepackage{multirow}'."\n". 825: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n". 826: '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n". 827: '\usepackage{wrapfig}'. 828: '\usepackage{picins}\usepackage{calc}'."\n". 829: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n". 830: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n". 831: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n". 832: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n". 833: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n". 834: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n". 835: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n". 836: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n". 837: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n". 838: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n". 839: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n". 840: '\setlength{\abovedisplayshortskip}{-0.04in}'."\n". 841: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n"; 842: return $output; 843: } 844: 845: sub path_to_problem { 846: my ($urlp,$colwidth)=@_; 847: $urlp=&Apache::lonnet::clutter($urlp); 848: 849: my $newurlp = ''; 850: $colwidth=~s/\s*mm\s*$//; 851: #characters average about 2 mm in width 852: if (length($urlp)*2 > $colwidth) { 853: my @elements = split('/',$urlp); 854: my $curlength=0; 855: foreach my $element (@elements) { 856: if ($element eq '') { next; } 857: if ($curlength+(length($element)*2) > $colwidth) { 858: $newurlp .= '|\vskip -1 mm \verb|'; 859: $curlength=length($element)*2; 860: } else { 861: $curlength+=length($element)*2; 862: } 863: $newurlp.='/'.$element; 864: } 865: } else { 866: $newurlp=$urlp; 867: } 868: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}'; 869: } 870: 871: sub recalcto_mm { 872: my $textwidth=shift; 873: my $LaTeXwidth; 874: if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) { 875: $LaTeXwidth = $1*10; 876: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) { 877: $LaTeXwidth = $1; 878: } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) { 879: $LaTeXwidth = $1*25.4; 880: } 881: $LaTeXwidth.=' mm'; 882: return $LaTeXwidth; 883: } 884: 885: sub get_textwidth { 886: my ($helper,$LaTeXwidth)=@_; 887: my $textwidth=$LaTeXwidth; 888: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ && 889: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) { 890: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '. 891: $helper->{'VARS'}->{'pagesize.widthunit'}); 892: } 893: return $textwidth; 894: } 895: 896: 897: sub unsupported { 898: my ($currentURL,$mode)=@_; 899: if ($mode ne '') {$mode='\\'.$mode} 900: my $result.= &print_latex_header($mode); 901: if ($currentURL=~/\/ext\//) { 902: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' '; 903: } else { 904: $result.=$currentURL; 905: } 906: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}'; 907: return $result; 908: } 909: 910: 911: # 912: # List of recently generated print files 913: # 914: sub recently_generated { 915: my $r=shift; 916: my $prtspool=$r->dir_config('lonPrtDir'); 917: my $zip_result; 918: my $pdf_result; 919: opendir(DIR,$prtspool); 920: 921: my @files = 922: grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR)); 923: closedir(DIR); 924: 925: @files = sort { 926: my ($actime) = (stat($prtspool.'/'.$a))[10]; 927: my ($bctime) = (stat($prtspool.'/'.$b))[10]; 928: return $bctime <=> $actime; 929: } (@files); 930: 931: foreach my $filename (@files) { 932: my ($ext) = ($filename =~ m/(pdf|zip)$/); 933: my ($cdev,$cino,$cmode,$cnlink, 934: $cuid,$cgid,$crdev,$csize, 935: $catime,$cmtime,$cctime, 936: $cblksize,$cblocks)=stat($prtspool.'/'.$filename); 937: my $result="<a href='/prtspool/$filename'>". 938: &mt('Generated [_1] ([_2] bytes)', 939: &Apache::lonlocal::locallocaltime($cctime),$csize). 940: '</a><br />'; 941: if ($ext eq 'pdf') { $pdf_result .= $result; } 942: if ($ext eq 'zip') { $zip_result .= $result; } 943: } 944: if ($zip_result) { 945: $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n" 946: .$zip_result); 947: } 948: if ($pdf_result) { 949: $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n" 950: .$pdf_result); 951: } 952: } 953: 954: # 955: # Retrieve the hash of page breaks. 956: # 957: # Inputs: 958: # helper - reference to helper object. 959: # Outputs 960: # A reference to a page break hash. 961: # 962: # 963: 964: sub get_page_breaks { 965: my ($helper) = @_; 966: my %page_breaks; 967: 968: foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) { 969: $page_breaks{$break} = 1; 970: } 971: 972: return %page_breaks; 973: } 974: 975: sub output_data { 976: my ($r,$helper,$rparmhash) = @_; 977: my %parmhash = %$rparmhash; 978: my $resources_printed = ''; 979: my $html=&Apache::lonxml::xmlbegin(); 980: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout'); 981: $r->print(<<ENDPART); 982: $html 983: <head> 984: <script type="text/javascript" language="Javascript"> 985: var editbrowser; 986: function openbrowser(formname,elementname,only,omit) { 987: var url = '/res/?'; 988: if (editbrowser == null) { 989: url += 'launch=1&'; 990: } 991: url += 'catalogmode=interactive&'; 992: url += 'mode=parmset&'; 993: url += 'form=' + formname + '&'; 994: if (only != null) { 995: url += 'only=' + only + '&'; 996: } 997: if (omit != null) { 998: url += 'omit=' + omit + '&'; 999: } 1000: url += 'element=' + elementname + ''; 1001: var title = 'Browser'; 1002: var options = 'scrollbars=1,resizable=1,menubar=0'; 1003: options += ',width=700,height=600'; 1004: editbrowser = open(url,title,options,'1'); 1005: editbrowser.focus(); 1006: } 1007: </script> 1008: <title>LON-CAPA output for printing</title> 1009: </head> 1010: $bodytag 1011: <p> 1012: Please stand by while processing your print request, this may take some time ... 1013: </p> 1014: ENDPART 1015: 1016: 1017: 1018: # fetch the pagebreaks and store them in the course environment 1019: # The page breaks will be pulled into the hash %page_breaks which is 1020: # indexed by symb and contains 1's for each break. 1021: 1022: $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'}; 1023: $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 1024: &Apache::loncommon::store_course_settings('print', 1025: {'pagebreaks' => 'scalar', 1026: 'lastprinttype' => 'scalar'}); 1027: 1028: my %page_breaks = &get_page_breaks($helper); 1029: 1030: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 1031: my ($result,$selectionmade) = ('',''); 1032: my $number_of_columns = 1; #used only for pages to determine the width of the cell 1033: my @temporary_array=split /\|/,$format_from_helper; 1034: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array; 1035: if ($laystyle eq 'L') { 1036: $laystyle='album'; 1037: } else { 1038: $laystyle='book'; 1039: } 1040: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns); 1041: my $assignment = $env{'form.assignment'}; 1042: my $LaTeXwidth=&recalcto_mm($textwidth); 1043: my @print_array=(); 1044: my @student_names=(); 1045: 1046: # Common settings for the %form has: 1047: # In some cases these settings get overriddent by specific cases, but the 1048: # settings are common enough to make it worthwhile factoring them out 1049: # here. 1050: # 1051: my %form; 1052: $form{'grade_target'} = 'tex'; 1053: $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth); 1054: 1055: # If form.showallfoils is set, then request all foils be shown: 1056: # privilege will be enforced both by not allowing the 1057: # check box selecting this option to be presnt unless it's ok, 1058: # and by lonresponse's priv. check. 1059: # The if is here because lonresponse.pm only cares that 1060: # showallfoils is defined, not what the value is. 1061: 1062: if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 1063: $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'}; 1064: } 1065: 1066: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') { 1067: #-- single document - problem, page, html, xml, ... 1068: my ($currentURL,$cleanURL); 1069: 1070: if ($helper->{'VARS'}->{'construction'} ne '1') { 1071: #prints published resource 1072: $currentURL=$helper->{'VARS'}->{'postdata'}; 1073: $cleanURL=&Apache::lonenc::check_decrypt($currentURL); 1074: } else { 1075: #prints resource from the construction space 1076: $currentURL='/'.$helper->{'VARS'}->{'filename'}; 1077: if ($currentURL=~/([^?]+)/) {$currentURL=$1;} 1078: $cleanURL=$currentURL; 1079: } 1080: $selectionmade = 1; 1081: if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 1082: my $rndseed=time; 1083: my $texversion=''; 1084: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { 1085: my %moreenv; 1086: $moreenv{'request.filename'}=$cleanURL; 1087: if ($helper->{'VARS'}->{'style_file'}=~/\w/) { 1088: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'}; 1089: my $dom = $env{'user.domain'}; 1090: my $user = $env{'user.name'}; 1091: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user); 1092: } 1093: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';} 1094: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 1095: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 1096: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1097: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 1098: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';} 1099: if ($helper->{'VARS'}->{'curseed'}) { 1100: $rndseed=$helper->{'VARS'}->{'curseed'}; 1101: } 1102: $form{'rndseed'}=$rndseed; 1103: &Apache::lonnet::appenv(%moreenv); 1104: &Apache::lonnet::delenv('form.counter'); 1105: &Apache::lonxml::init_counter(); 1106: &Apache::lonxml::store_counter(); 1107: $resources_printed .= $currentURL.':'; 1108: $texversion.=&Apache::lonnet::ssi($currentURL,%form); 1109: &Apache::lonnet::delenv('form.counter'); 1110: &Apache::lonnet::delenv('request.filename'); 1111: } 1112: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 1113: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 1114: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 1115: $form{'grade_target'}='answer'; 1116: $form{'answer_output_mode'}='tex'; 1117: $form{'rndseed'}=$rndseed; 1118: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') { 1119: $form{'problemtype'}='exam'; 1120: } 1121: $resources_printed .= $currentURL.':'; 1122: my $answer=&Apache::lonnet::ssi($currentURL,%form); 1123: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 1124: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 1125: } else { 1126: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 1127: if ($helper->{'VARS'}->{'construction'} ne '1') { 1128: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm '; 1129: $texversion.=&path_to_problem($cleanURL,$LaTeXwidth); 1130: } else { 1131: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 1132: my $URLpath=$cleanURL; 1133: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/; 1134: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth); 1135: } 1136: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 1137: } 1138: } 1139: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 1140: $texversion=&IndexCreation($texversion,$currentURL); 1141: } 1142: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 1143: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; 1144: 1145: } 1146: $result .= $texversion; 1147: if ($currentURL=~m/\.page\s*$/) { 1148: ($result,$number_of_columns) = &page_cleanup($result); 1149: } 1150: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') { 1151: #printing content of sequence from the construction space 1152: my $flag_latex_header_remove = 'NO'; 1153: my $rndseed=time; 1154: if ($helper->{'VARS'}->{'curseed'}) { 1155: $rndseed=$helper->{'VARS'}->{'curseed'}; 1156: } 1157: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|; 1158: my $errtext=&Apache::lonratedt::mapread($currentURL); 1159: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) { 1160: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/; 1161: my $urlp=$2; 1162: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) { 1163: my $texversion=''; 1164: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { 1165: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 1166: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 1167: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1168: $form{'rndseed'}=$rndseed; 1169: $resources_printed .=$urlp.':'; 1170: $texversion=&Apache::lonnet::ssi($urlp,%form); 1171: } 1172: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 1173: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 1174: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) { 1175: # Don't permanently modify %$form... 1176: my %answerform = %form; 1177: $answerform{'grade_target'}='answer'; 1178: $answerform{'answer_output_mode'}='tex'; 1179: $answerform{'rndseed'}=$rndseed; 1180: $answerform{'problem_split'}=$parmhash{'problem_stream_switch'}; 1181: if ($urlp=~/\/res\//) {$env{'request.state'}='published';} 1182: $resources_printed .= $urlp.':'; 1183: my $answer=&Apache::lonnet::ssi($urlp,%answerform); 1184: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 1185: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 1186: } else { 1187: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 1188: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm '; 1189: $texversion.=&path_to_problem($urlp,$LaTeXwidth); 1190: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 1191: } 1192: } 1193: if ($flag_latex_header_remove ne 'NO') { 1194: $texversion = &latex_header_footer_remove($texversion); 1195: } else { 1196: $texversion =~ s/\\end{document}//; 1197: } 1198: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 1199: $texversion=&IndexCreation($texversion,$urlp); 1200: } 1201: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') { 1202: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 1203: } 1204: $result.=$texversion; 1205: $flag_latex_header_remove = 'YES'; 1206: } elsif ($urlp=~/\.(sequence|page)$/) { 1207: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent '; 1208: } 1209: } 1210: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;} 1211: $result .= '\end{document}'; 1212: } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 1213: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1214: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;} 1215: $resources_printed .= $currentURL.':'; 1216: my $texversion=&Apache::lonnet::ssi($currentURL,%form); 1217: $result .= $texversion; 1218: } else { 1219: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'}); 1220: } 1221: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or 1222: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or 1223: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or 1224: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG 1225: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 1226: #-- produce an output string 1227: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') { 1228: $selectionmade = 2; 1229: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') { 1230: $selectionmade = 3; 1231: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') { 1232: $selectionmade = 4; 1233: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG 1234: $selectionmade = 4; 1235: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') { 1236: $selectionmade = 7; 1237: } 1238: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 1239: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 1240: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1241: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 1242: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';} 1243: my $flag_latex_header_remove = 'NO'; 1244: my $flag_page_in_sequence = 'NO'; 1245: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 1246: my $prevassignment=''; 1247: &Apache::lonnet::delenv('form.counter'); 1248: &Apache::lonxml::init_counter(); 1249: &Apache::lonxml::store_counter(); 1250: for (my $i=0;$i<=$#master_seq;$i++) { 1251: 1252: # Note due to document structure, not allowed to put \newpage 1253: # prior to the first resource 1254: 1255: if (defined $page_breaks{$master_seq[$i]}) { 1256: if($i != 0) { 1257: $result.="\\newpage\n"; 1258: } 1259: } 1260: my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]); 1261: $urlp=&Apache::lonnet::clutter($urlp); 1262: $form{'symb'}=$master_seq[$i]; 1263: 1264: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem 1265: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;} 1266: if ($i==0) {$prevassignment=$assignment;} 1267: my $texversion=''; 1268: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 1269: $resources_printed .= $urlp.':'; 1270: my $pre_counter=$env{'form.counter'}; 1271: $texversion.=&Apache::lonnet::ssi($urlp,%form); 1272: if ($urlp=~/\.page$/) { 1273: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion); 1274: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 1275: $texversion =~ s/\\end{document}\d*/\\end{document}/; 1276: $flag_page_in_sequence = 'YES'; 1277: } 1278: my ($envfile) = ($env{'user.environment'} =~m|/([^/]+)\.id$| ); 1279: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'), 1280: $envfile); 1281: my $current_counter=$env{'form.counter'}; 1282: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 1283: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 1284: # Don't permanently pervert the %form hash 1285: my %answerform = %form; 1286: $answerform{'grade_target'}='answer'; 1287: $answerform{'answer_output_mode'}='tex'; 1288: $resources_printed .= $urlp.':'; 1289: &Apache::lonnet::appenv(('form.counter' => $pre_counter)); 1290: my $answer=&Apache::lonnet::ssi($urlp,%answerform); 1291: &Apache::lonnet::appenv(('form.counter' => $current_counter)); 1292: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 1293: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 1294: } else { 1295: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) { 1296: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 1297: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm '; 1298: $texversion.=&path_to_problem ($urlp,$LaTeXwidth); 1299: $texversion.='\vskip 1 mm '.$answer; 1300: } else { 1301: $texversion=''; 1302: } 1303: } 1304: } 1305: if ($flag_latex_header_remove ne 'NO') { 1306: $texversion = &latex_header_footer_remove($texversion); 1307: } else { 1308: $texversion =~ s/\\end{document}//; 1309: } 1310: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 1311: $texversion=&IndexCreation($texversion,$urlp); 1312: } 1313: if (($selectionmade == 4) and ($assignment ne $prevassignment)) { 1314: my $name = &get_name(); 1315: my $courseidinfo = &get_course(); 1316: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 1317: $prevassignment=$assignment; 1318: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm '; 1319: } 1320: $result .= $texversion; 1321: $flag_latex_header_remove = 'YES'; 1322: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 1323: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1324: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;} 1325: $resources_printed .= $urlp.':'; 1326: my $texversion=&Apache::lonnet::ssi($urlp,%form); 1327: if ($flag_latex_header_remove ne 'NO') { 1328: $texversion = &latex_header_footer_remove($texversion); 1329: } else { 1330: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/; 1331: } 1332: $result .= $texversion; 1333: $flag_latex_header_remove = 'YES'; 1334: } else { 1335: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'}); 1336: if ($flag_latex_header_remove ne 'NO') { 1337: $texversion = &latex_header_footer_remove($texversion); 1338: } else { 1339: $texversion =~ s/\\end{document}//; 1340: } 1341: $result .= $texversion; 1342: $flag_latex_header_remove = 'YES'; 1343: } 1344: if (&Apache::loncommon::connection_aborted($r)) { last; } 1345: } 1346: &Apache::lonnet::delenv('form.counter'); 1347: if ($flag_page_in_sequence eq 'YES') { 1348: $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/; 1349: } 1350: $result .= '\end{document}'; 1351: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') || 1352: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){ 1353: 1354: 1355: #-- prints assignments for whole class or for selected students 1356: my $type; 1357: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') { 1358: $selectionmade=5; 1359: $type='problems'; 1360: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') { 1361: $selectionmade=8; 1362: $type='resources'; 1363: } 1364: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'}; 1365: # The normal sort order is by section then by students within the 1366: # section. If the helper var student_sort is 1, then the user has elected 1367: # to override this and output the students by name. 1368: # Each element of the students array is of the form: 1369: # username:domain:section:last, first:status 1370: # 1371: # 1372: if ($helper->{'VARS'}->{'student_sort'} eq 1) { 1373: @students = sort compare_names @students; 1374: } 1375: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' || 1376: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) { 1377: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1; 1378: } 1379: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 1380: 1381: #loop over students 1382: my $flag_latex_header_remove = 'NO'; 1383: my %moreenv; 1384: $moreenv{'instructor_comments'}='hide'; 1385: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth); 1386: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 1387: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; 1388: $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'}; 1389: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';} 1390: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75'); 1391: my $student_counter=-1; 1392: foreach my $person (@students) { 1393: 1394: my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due"; 1395: if (-e $duefile) { 1396: my $temp_file = Apache::File->new('>>'.$duefile); 1397: print $temp_file "1969\n"; 1398: } 1399: $student_counter++; 1400: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'}); 1401: my ($output,$fullname, $printed)=&print_resources($r,$helper, 1402: $person,$type, 1403: \%moreenv,\@master_seq, 1404: $flag_latex_header_remove, 1405: $LaTeXwidth, 1406: $number_of_columns); 1407: $resources_printed .= ":"; 1408: $print_array[$i].=$output; 1409: $student_names[$i].=$person.':'.$fullname.'_END_'; 1410: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname); 1411: $flag_latex_header_remove = 'YES'; 1412: if (&Apache::loncommon::connection_aborted($r)) { last; } 1413: } 1414: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); 1415: $result .= $print_array[0].' \end{document}'; 1416: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') || 1417: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) { 1418: my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'}; 1419: my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'}; 1420: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'}; 1421: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'}; 1422: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'}; 1423: my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'}; 1424: my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'}; 1425: 1426: my $code_option=$helper->{'VARS'}->{'CODE_OPTION'}; 1427: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab'); 1428: my ($code_type,$code_length)=('letter',6); 1429: foreach my $line (<FH>) { 1430: my ($name,$type,$length) = (split(/:/,$line))[0,2,4]; 1431: if ($name eq $code_option) { 1432: $code_length=$length; 1433: if ($type eq 'number') { $code_type = 'number'; } 1434: } 1435: } 1436: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth)); 1437: $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; 1438: my $seed=time+($$<<16)+($$); 1439: my @allcodes; 1440: if ($old_name) { 1441: my %result=&Apache::lonnet::get('CODEs', 1442: [$old_name,"type\0$old_name"], 1443: $cdom,$cnum); 1444: $code_type=$result{"type\0$old_name"}; 1445: @allcodes=split(',',$result{$old_name}); 1446: $num_todo=scalar(@allcodes); 1447: } elsif ($selected_code) { # Selection value is always numeric. 1448: $num_todo = 1; 1449: @allcodes = ($selected_code); 1450: } elsif ($single_code) { 1451: 1452: $num_todo = 1; # Unconditionally one code to do. 1453: # If an alpha code have to convert to numbers so it can be 1454: # converted back to letters again :-) 1455: # 1456: if ($code_type ne 'number') { 1457: $single_code = &letters_to_num($single_code); 1458: } 1459: @allcodes = ($single_code); 1460: } else { 1461: my %allcodes; 1462: srand($seed); 1463: for (my $i=0;$i<$num_todo;$i++) { 1464: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length, 1465: $code_type); 1466: } 1467: if ($code_name) { 1468: &Apache::lonnet::put('CODEs', 1469: { 1470: $code_name =>join(',',keys(%allcodes)), 1471: "type\0$code_name" => $code_type 1472: }, 1473: $cdom,$cnum); 1474: } 1475: @allcodes=keys(%allcodes); 1476: } 1477: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 1478: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'}); 1479: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'}; 1480: if ($number_per_page eq '0' || $number_per_page eq 'all') { 1481: $number_per_page=$num_todo; 1482: } 1483: my $flag_latex_header_remove = 'NO'; 1484: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75'); 1485: my $count=0; 1486: foreach my $code (sort(@allcodes)) { 1487: my $file_num=int($count/$number_per_page); 1488: if ($code_type eq 'number') { 1489: $moreenv{'CODE'}=$code; 1490: } else { 1491: $moreenv{'CODE'}=&num_to_letters($code); 1492: } 1493: my ($output,$fullname, $printed)= 1494: &print_resources($r,$helper,'anonymous',$type,\%moreenv, 1495: \@master_seq,$flag_latex_header_remove, 1496: $LaTeXwidth); 1497: $resources_printed .= ":"; 1498: $print_array[$file_num].=$output; 1499: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, 1500: &mt('last assignment').' '.$fullname); 1501: $flag_latex_header_remove = 'YES'; 1502: $count++; 1503: if (&Apache::loncommon::connection_aborted($r)) { last; } 1504: } 1505: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); 1506: $result .= $print_array[0].' \end{document}'; 1507: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') { 1508: #prints selected problems from the subdirectory 1509: $selectionmade = 6; 1510: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'}; 1511: @list_of_files=sort @list_of_files; 1512: my $flag_latex_header_remove = 'NO'; 1513: my $rndseed=time; 1514: if ($helper->{'VARS'}->{'curseed'}) { 1515: $rndseed=$helper->{'VARS'}->{'curseed'}; 1516: } 1517: for (my $i=0;$i<=$#list_of_files;$i++) { 1518: my $urlp = $list_of_files[$i]; 1519: $urlp=~s|//|/|; 1520: if ($urlp=~/\//) { 1521: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 1522: $form{'rndseed'}=$rndseed; 1523: if ($urlp =~ m|/home/([^/]+)/public_html|) { 1524: $urlp =~ s|/home/([^/]*)/public_html|/~$1|; 1525: } else { 1526: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||; 1527: } 1528: $resources_printed .= $urlp.':'; 1529: my $texversion=&Apache::lonnet::ssi($urlp,%form); 1530: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 1531: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 1532: # Don't permanently pervert %form: 1533: my %answerform = %form; 1534: $answerform{'grade_target'}='answer'; 1535: $answerform{'answer_output_mode'}='tex'; 1536: $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1537: $answerform{'rndseed'}=$rndseed; 1538: $resources_printed .= $urlp.':'; 1539: my $answer=&Apache::lonnet::ssi($urlp,%answerform); 1540: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 1541: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 1542: } else { 1543: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 1544: if ($helper->{'VARS'}->{'construction'} ne '1') { 1545: $texversion.='\vskip 0 mm \noindent '; 1546: $texversion.=&path_to_problem ($urlp,$LaTeXwidth); 1547: } else { 1548: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 1549: my $URLpath=$urlp; 1550: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/; 1551: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth); 1552: } 1553: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 1554: } 1555: } 1556: #this chunck is responsible for printing the path to problem 1557: my $newurlp=$urlp; 1558: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;} 1559: $newurlp=&path_to_problem($newurlp,$LaTeXwidth); 1560: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/; 1561: if ($flag_latex_header_remove ne 'NO') { 1562: $texversion = &latex_header_footer_remove($texversion); 1563: } else { 1564: $texversion =~ s/\\end{document}//; 1565: } 1566: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 1567: $texversion=&IndexCreation($texversion,$urlp); 1568: } 1569: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 1570: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 1571: 1572: } 1573: $result .= $texversion; 1574: } 1575: $flag_latex_header_remove = 'YES'; 1576: } 1577: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;} 1578: $result .= '\end{document}'; 1579: } 1580: #-------------------------------------------------------- corrections for the different page formats 1581: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade); 1582: $result = &latex_corrections($number_of_columns,$result,$selectionmade, 1583: $helper->{'VARS'}->{'ANSWER_TYPE'}); 1584: for (my $i=1;$i<=$#print_array;$i++) { 1585: $print_array[$i] = 1586: &latex_corrections($number_of_columns,$print_array[$i], 1587: $selectionmade, 1588: $helper->{'VARS'}->{'ANSWER_TYPE'}); 1589: } 1590: #changes page's parameters for the one column output 1591: if ($numberofcolumns == 1) { 1592: $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /; 1593: $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /; 1594: $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 1595: $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 1596: } 1597: 1598: #-- writing .tex file in prtspool 1599: my $temp_file; 1600: my $identifier = &Apache::loncommon::get_cgi_id(); 1601: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex"; 1602: if (!($#print_array>0)) { 1603: unless ($temp_file = Apache::File->new('>'.$filename)) { 1604: $r->log_error("Couldn't open $filename for output $!"); 1605: return SERVER_ERROR; 1606: } 1607: print $temp_file $result; 1608: my $begin=index($result,'\begin{document}',0); 1609: my $inc=substr($result,0,$begin+16); 1610: } else { 1611: my $begin=index($result,'\begin{document}',0); 1612: my $inc=substr($result,0,$begin+16); 1613: for (my $i=0;$i<=$#print_array;$i++) { 1614: if ($i==0) { 1615: $print_array[$i]=$result; 1616: } else { 1617: my $anobegin=index($print_array[$i],'\setcounter{page}',0); 1618: substr($print_array[$i],0,$anobegin)=''; 1619: $print_array[$i]=$inc.$print_array[$i].'\end{document}'; 1620: } 1621: my $temp_file; 1622: my $newfilename=$filename; 1623: my $num=$i+1; 1624: $newfilename =~s/\.tex$//; 1625: $newfilename=sprintf("%s_%03d.tex",$newfilename, $num); 1626: unless ($temp_file = Apache::File->new('>'.$newfilename)) { 1627: $r->log_error("Couldn't open $newfilename for output $!"); 1628: return SERVER_ERROR; 1629: } 1630: print $temp_file $print_array[$i]; 1631: } 1632: } 1633: my $student_names=''; 1634: if ($#print_array>0) { 1635: for (my $i=0;$i<=$#print_array;$i++) { 1636: $student_names.=$student_names[$i].'_ENDPERSON_'; 1637: } 1638: } else { 1639: if ($#student_names>-1) { 1640: $student_names=$student_names[0].'_ENDPERSON_'; 1641: } else { 1642: my $fullname = &get_name($env{'user.name'},$env{'user.domain'}); 1643: $student_names=join(':',$env{'user.name'},$env{'user.domain'}, 1644: $env{'request.course.sec'},$fullname). 1645: '_ENDPERSON_'.'_END_'; 1646: } 1647: } 1648: 1649: my $URLback=''; #link to original document 1650: if ($helper->{'VARS'}->{'construction'} ne '1') { 1651: #prints published resource 1652: $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:'); 1653: } else { 1654: #prints resource from the construction space 1655: $URLback='/'.$helper->{'VARS'}->{'filename'}; 1656: if ($URLback=~/([^?]+)/) { 1657: $URLback=$1; 1658: $URLback=~s|^/~|/priv/|; 1659: } 1660: } 1661: # logic for now is too complex to trace if this has been defined 1662: # yet. 1663: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 1664: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 1665: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename, 1666: 'cgi.'.$identifier.'.layout' => $laystyle, 1667: 'cgi.'.$identifier.'.numcol' => $numberofcolumns, 1668: 'cgi.'.$identifier.'.paper' => $papersize, 1669: 'cgi.'.$identifier.'.selection' => $selectionmade, 1670: 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'}, 1671: 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'}, 1672: 'cgi.'.$identifier.'.role' => $perm{'pav'}, 1673: 'cgi.'.$identifier.'.numberoffiles' => $#print_array, 1674: 'cgi.'.$identifier.'.studentnames' => $student_names, 1675: 'cgi.'.$identifier.'.backref' => $URLback,); 1676: &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'}, 1677: "cgi.$identifier.domain" => $env{'user.domain'}, 1678: "cgi.$identifier.courseid" => $cnum, 1679: "cgi.$identifier.coursedom" => $cdom, 1680: "cgi.$identifier.resources" => $resources_printed); 1681: 1682: $r->print(<<FINALEND); 1683: <br /> 1684: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" /> 1685: <a href="/cgi-bin/printout.pl?$identifier">Continue</a> 1686: </body> 1687: </html> 1688: FINALEND 1689: } 1690: 1691: 1692: sub get_CODE { 1693: my ($all_codes,$num,$seed,$size,$type)=@_; 1694: my $max='1'.'0'x$size; 1695: my $newcode; 1696: while(1) { 1697: $newcode=sprintf("%0".$size."d",int(rand($max))); 1698: if (!exists($$all_codes{$newcode})) { 1699: $$all_codes{$newcode}=1; 1700: if ($type eq 'number' ) { 1701: return $newcode; 1702: } else { 1703: return &num_to_letters($newcode); 1704: } 1705: } 1706: } 1707: } 1708: 1709: sub print_resources { 1710: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header, 1711: $LaTeXwidth,$number_of_columns)=@_; 1712: my $current_output = ''; 1713: my $printed = ''; 1714: my ($username,$userdomain,$usersection) = split /:/,$person; 1715: my $fullname = &get_name($username,$userdomain); 1716: my $namepostfix; 1717: if ($person =~ 'anon') { 1718: $namepostfix="\\\\Name: "; 1719: $fullname = "CODE - ".$moreenv->{'CODE'}; 1720: } 1721: my $i = 0; 1722: #goes through all resources, checks if they are available for 1723: #current student, and produces output 1724: &Apache::lonnet::delenv('form.counter'); 1725: &Apache::lonxml::init_counter(); 1726: &Apache::lonxml::store_counter(); 1727: my %page_breaks = &get_page_breaks($helper); 1728: 1729: foreach my $curresline (@{$master_seq}) { 1730: if (defined $page_breaks{$curresline}) { 1731: if($i != 0) { 1732: $current_output.= "\\newpage\n"; 1733: } 1734: } 1735: $i++; 1736: if ( !($type eq 'problems' && 1737: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) { 1738: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline); 1739: if (&Apache::lonnet::allowed('bre',$res_url)) { 1740: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 1741: $printed .= $curresline.':'; 1742: my $pre_counter=$env{'form.counter'}; 1743: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); 1744: my ($envfile) = 1745: ( $env{'user.environment'} =~ m|/([^/]+)\.id$| ); 1746: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'), 1747: $envfile); 1748: my $current_counter=$env{'form.counter'}; 1749: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 1750: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 1751: # Use a copy of the hash so we don't pervert it on future loop passes. 1752: my %answerenv = %{$moreenv}; 1753: $answerenv{'answer_output_mode'}='tex'; 1754: $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1755: &Apache::lonnet::appenv(('form.counter' => $pre_counter)); 1756: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv); 1757: &Apache::lonnet::appenv(('form.counter' => $current_counter)); 1758: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 1759: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/; 1760: } else { 1761: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 1762: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm '; 1763: $rendered.=&path_to_problem($res_url,$LaTeXwidth); 1764: $rendered.='\vskip 1 mm '.$ansrendered; 1765: } 1766: } 1767: if ($remove_latex_header eq 'YES') { 1768: $rendered = &latex_header_footer_remove($rendered); 1769: } else { 1770: $rendered =~ s/\\end{document}//; 1771: } 1772: $current_output .= $rendered; 1773: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 1774: $printed .= $curresline.':'; 1775: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); 1776: my ($envfile) = 1777: ( $env{'user.environment'} =~ m|/([^/]+)\.id$| ); 1778: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'), 1779: $envfile); 1780: my $current_counter=$env{'form.counter'}; 1781: if ($remove_latex_header eq 'YES') { 1782: $rendered = &latex_header_footer_remove($rendered); 1783: } else { 1784: $rendered =~ s/\\end{document}//; 1785: } 1786: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/'.$number_of_columns.'][b]{\hrulefill}\strut \vskip 0 mm \strut '; 1787: } else { 1788: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'}); 1789: if ($remove_latex_header ne 'NO') { 1790: $rendered = &latex_header_footer_remove($rendered); 1791: } else { 1792: $rendered =~ s/\\end{document}//; 1793: } 1794: $current_output .= $rendered; 1795: } 1796: } 1797: $remove_latex_header = 'YES'; 1798: } 1799: if (&Apache::loncommon::connection_aborted($r)) { last; } 1800: } 1801: my $courseidinfo = &get_course(); 1802: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 1803: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection} 1804: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header'); 1805: if ($current_output=~/\\documentclass/) { 1806: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /; 1807: } else { 1808: my $blankpages = ''; 1809: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';} 1810: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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; 1811: } 1812: return ($current_output,$fullname, $printed); 1813: 1814: } 1815: 1816: sub handler { 1817: 1818: my $r = shift; 1819: 1820: &init_perm(); 1821: 1822: # my $loaderror=&Apache::lonnet::overloaderror($r); 1823: # if ($loaderror) { return $loaderror; } 1824: # $loaderror= 1825: # &Apache::lonnet::overloaderror($r, 1826: # $env{'course.'.$env{'request.course.id'}.'.home'}); 1827: # if ($loaderror) { return $loaderror; } 1828: 1829: my $helper = printHelper($r); 1830: if (!ref($helper)) { 1831: return $helper; 1832: } 1833: 1834: # my $key; 1835: # foreach $key (keys %{$helper->{'VARS'}}) { 1836: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />'); 1837: # } 1838: # foreach $key (keys %env) { 1839: # $r->print(' '.$key.'->'.$env{$key}.'<-<br />'); 1840: # } 1841: # return OK; 1842: 1843: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'}); 1844: 1845: # my $key; 1846: # foreach $key (keys %parmhash) { 1847: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />'); 1848: # } 1849: # 1850: 1851: 1852: # If a figure conversion queue file exists for this user.domain 1853: # we delete it since it can only be bad (if it were good, printout.pl 1854: # would have deleted it the last time around. 1855: 1856: my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat"; 1857: if(-e $conversion_queuefile) { 1858: unlink $conversion_queuefile; 1859: } 1860: &output_data($r,$helper,\%parmhash); 1861: return OK; 1862: } 1863: 1864: use Apache::lonhelper; 1865: 1866: sub addMessage { 1867: my $text = shift; 1868: my $paramHash = Apache::lonhelper::getParamHash(); 1869: $paramHash->{MESSAGE_TEXT} = $text; 1870: Apache::lonhelper::message->new(); 1871: } 1872: 1873: use Data::Dumper; 1874: 1875: sub init_perm { 1876: undef(%perm); 1877: $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'}); 1878: if (!$perm{'pav'}) { 1879: $perm{'pav'}=&Apache::lonnet::allowed('pav', 1880: $env{'request.course.id'}.'/'.$env{'request.course.sec'}); 1881: } 1882: $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'}); 1883: if (!$perm{'pfo'}) { 1884: $perm{'pfo'}=&Apache::lonnet::allowed('pfo', 1885: $env{'request.course.id'}.'/'.$env{'request.course.sec'}); 1886: } 1887: } 1888: 1889: sub printHelper { 1890: my $r = shift; 1891: 1892: if ($r->header_only) { 1893: if ($env{'browser.mathml'}) { 1894: &Apache::loncommon::content_type($r,'text/xml'); 1895: } else { 1896: &Apache::loncommon::content_type($r,'text/html'); 1897: } 1898: $r->send_http_header; 1899: return OK; 1900: } 1901: 1902: # Send header, nocache 1903: if ($env{'browser.mathml'}) { 1904: &Apache::loncommon::content_type($r,'text/xml'); 1905: } else { 1906: &Apache::loncommon::content_type($r,'text/html'); 1907: } 1908: &Apache::loncommon::no_cache($r); 1909: $r->send_http_header; 1910: $r->rflush(); 1911: 1912: # Unfortunately, this helper is so complicated we have to 1913: # write it by hand 1914: 1915: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING}); 1916: 1917: my $helper = Apache::lonhelper::helper->new("Printing Helper"); 1918: $helper->declareVar('symb'); 1919: $helper->declareVar('postdata'); 1920: $helper->declareVar('curseed'); 1921: $helper->declareVar('probstatus'); 1922: $helper->declareVar('filename'); 1923: $helper->declareVar('construction'); 1924: $helper->declareVar('assignment'); 1925: $helper->declareVar('style_file'); 1926: $helper->declareVar('student_sort'); 1927: $helper->declareVar('FINISHPAGE'); 1928: $helper->declareVar('PRINT_TYPE'); 1929: $helper->declareVar("showallfoils"); 1930: 1931: # The page breaks can get loaded initially from the course environment: 1932: # But we only do this in the initial state so that they are allowed to change. 1933: # 1934: 1935: $helper->{VARS}->{FINISHPAGE} = ''; 1936: 1937: &Apache::loncommon::restore_course_settings('print', 1938: {'pagebreaks' => 'scalar', 1939: 'lastprinttype' => 'scalar'}); 1940: 1941: 1942: if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) { 1943: if (!defined ($env{"form.CURRENT_STATE"})) { 1944: 1945: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; 1946: } else { 1947: my $state = $env{"form.CURRENT_STATE"}; 1948: if ($state eq "START") { 1949: $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; 1950: } 1951: } 1952: 1953: } 1954: 1955: 1956: # This will persistently load in the data we want from the 1957: # very first screen. 1958: # Detect whether we're coming from construction space 1959: if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) { 1960: $helper->{VARS}->{'filename'} = "~$1/$2"; 1961: $helper->{VARS}->{'construction'} = 1; 1962: } else { 1963: if ($env{'form.postdata'}) { 1964: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'}); 1965: } 1966: if ($env{'form.symb'}) { 1967: $helper->{VARS}->{'symb'} = $env{'form.symb'}; 1968: } 1969: if ($env{'form.url'}) { 1970: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 1971: } 1972: } 1973: 1974: if ($env{'form.symb'}) { 1975: $helper->{VARS}->{'symb'} = $env{'form.symb'}; 1976: } 1977: if ($env{'form.url'}) { 1978: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 1979: 1980: } 1981: $helper->{VARS}->{'symb'}= 1982: &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'}); 1983: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper); 1984: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;} 1985: 1986: 1987: # Extract map 1988: my $symb = $helper->{VARS}->{'symb'}; 1989: my ($map, $id, $url); 1990: my $subdir; 1991: 1992: # Get the resource name from construction space 1993: if ($helper->{VARS}->{'construction'}) { 1994: $resourceTitle = substr($helper->{VARS}->{'filename'}, 1995: rindex($helper->{VARS}->{'filename'}, '/')+1); 1996: $subdir = substr($helper->{VARS}->{'filename'}, 1997: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1); 1998: } else { 1999: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb); 2000: $helper->{VARS}->{'postdata'} = 2001: &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url)); 2002: 2003: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename 2004: my $postdata = $helper->{VARS}->{'postdata'}; 2005: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1); 2006: } 2007: $subdir = &Apache::lonnet::filelocation("", $url); 2008: } 2009: if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) { 2010: $helper->{VARS}->{'curseed'}=$env{'form.curseed'}; 2011: } 2012: if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) { 2013: $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'}; 2014: } 2015: 2016: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser(); 2017: 2018: Apache::lonhelper::registerHelperTags(); 2019: 2020: # "Delete everything after the last slash." 2021: $subdir =~ s|/[^/]+$||; 2022: if (not $helper->{VARS}->{'construction'}) { 2023: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir; 2024: } 2025: # "Remove all duplicate slashes." 2026: $subdir =~ s|/+|/|g; 2027: 2028: # What can be printed is a very dynamic decision based on 2029: # lots of factors. So we need to dynamically build this list. 2030: # To prevent security leaks, states are only added to the wizard 2031: # if they can be reached, which ensures manipulating the form input 2032: # won't allow anyone to reach states they shouldn't have permission 2033: # to reach. 2034: 2035: # printChoices is tracking the kind of printing the user can 2036: # do, and will be used in a choices construction later. 2037: # In the meantime we will be adding states and elements to 2038: # the helper by hand. 2039: my $printChoices = []; 2040: my $paramHash; 2041: 2042: if ($resourceTitle) { 2043: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE']; 2044: } 2045: 2046: # Useful filter strings 2047: my $isProblem = '($res->is_problem()||$res->contains_problem) '; 2048: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden; 2049: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()'; 2050: my $isNotMap = '!$res->is_sequence()'; 2051: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden; 2052: my $isMap = '$res->is_map()'; 2053: my $symbFilter = '$res->shown_symb()'; 2054: my $urlValue = '$res->link()'; 2055: 2056: $helper->declareVar('SEQUENCE'); 2057: 2058: # Useful for debugging: Dump the help vars 2059: # $r->print(Dumper($helper->{VARS})); 2060: # $r->print($map); 2061: 2062: # If we're in a sequence... 2063: if (($helper->{'VARS'}->{'construction'} ne '1') && 2064: 2065: $helper->{VARS}->{'postdata'} && 2066: $helper->{VARS}->{'assignment'}) { 2067: # Allow problems from sequence 2068: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS']; 2069: # Allow all resources from sequence 2070: push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML']; 2071: 2072: my $helperFragment = <<HELPERFRAGMENT; 2073: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print"> 2074: <message>(mark them then click "next" button) <br /></message> 2075: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" 2076: closeallpages="1"> 2077: <nextstate>PAGESIZE</nextstate> 2078: <filterfunc>return $isProblem;</filterfunc> 2079: <mapurl>$map</mapurl> 2080: <valuefunc>return $symbFilter;</valuefunc> 2081: <option text='Newpage' variable='FINISHPAGE' /> 2082: </resource> 2083: </state> 2084: 2085: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print"> 2086: <message>(mark them then click "next" button) <br /></message> 2087: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" 2088: closeallpages="1"> 2089: <nextstate>PAGESIZE</nextstate> 2090: <filterfunc>return $isNotMap;</filterfunc> 2091: <mapurl>$map</mapurl> 2092: <valuefunc>return $symbFilter;</valuefunc> 2093: <option text='Newpage' variable='FINISHPAGE' /> 2094: </resource> 2095: </state> 2096: HELPERFRAGMENT 2097: 2098: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 2099: } 2100: 2101: # If the user has pfo (print for otheres) allow them to print all 2102: # problems and resources in the entier course, optionally for selected students 2103: if ($perm{'pfo'} && 2104: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 2105: 2106: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS']; 2107: push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES']; 2108: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS); 2109: <state name="ALL_PROBLEMS" title="Select Problem(s) to print"> 2110: <message>(mark them then click "next" button) <br /></message> 2111: <resource variable="RESOURCES" toponly='0' multichoice="1" 2112: suppressEmptySequences='0' addstatus="1" closeallpages="1"> 2113: <nextstate>PAGESIZE</nextstate> 2114: <filterfunc>return $isProblemOrMap;</filterfunc> 2115: <choicefunc>return $isNotMap;</choicefunc> 2116: <valuefunc>return $symbFilter;</valuefunc> 2117: <option text='Newpage' variable='FINISHPAGE' /> 2118: </resource> 2119: </state> 2120: <state name="ALL_RESOURCES" title="Select Resource(s) to print"> 2121: <message>(Mark them then click "next" button) <br /> </message> 2122: <resource variable="RESOURCES" toponly='0' multichoice='1' 2123: suppressEmptySequences='0' addstatus='1' closeallpages='1'> 2124: <nextstate>PAGESIZE</nextstate> 2125: <filterfunc>return $isNotMap; </filterfunc> 2126: <valuefunc>return $symbFilter;</valuefunc> 2127: <option text='NewPage' variable='FINISHPAGE' /> 2128: </resource> 2129: </state> 2130: ALL_PROBLEMS 2131: 2132: if ($helper->{VARS}->{'assignment'}) { 2133: 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']; 2134: 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']; 2135: } 2136: my $resource_selector=<<RESOURCE_SELECTOR; 2137: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message> 2138: <resource variable="RESOURCES" multichoice="1" addstatus="1" 2139: closeallpages="1"> 2140: <filterfunc>return $isProblem;</filterfunc> 2141: <mapurl>$map</mapurl> 2142: <valuefunc>return $symbFilter;</valuefunc> 2143: <option text='New Page' variable='FINISHPAGE' /> 2144: </resource> 2145: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> 2146: <choices variable="EMPTY_PAGES"> 2147: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 2148: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 2149: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 2150: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 2151: </choices> 2152: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message> 2153: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string> 2154: RESOURCE_SELECTOR 2155: 2156: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS); 2157: <state name="CHOOSE_STUDENTS" title="Select Students and Resources"> 2158: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/> 2159: <message><b>Select sort order</b> </message> 2160: <choices variable='student_sort'> 2161: <choice computer='0'>Sort by section then student</choice> 2162: <choice computer='1'>Sort by students across sections.</choice> 2163: </choices> 2164: $resource_selector 2165: </state> 2166: CHOOSE_STUDENTS 2167: 2168: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2169: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2170: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum); 2171: my $namechoice='<choice></choice>'; 2172: foreach my $name (sort {uc($a) cmp uc($b)} @names) { 2173: if ($name =~ /^error: 2 /) { next; } 2174: if ($name =~ /^type\0/) { next; } 2175: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>'; 2176: } 2177: 2178: 2179: my %code_values; 2180: my %codes_to_print; 2181: foreach my $key (@names) { 2182: %code_values = &Apache::grades::get_codes($key, $cdom, $cnum); 2183: foreach my $key (keys(%code_values)) { 2184: $codes_to_print{$key} = 1; 2185: } 2186: } 2187: 2188: my $code_selection = "<choice></choice>\n"; 2189: foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) { 2190: my $choice = $code; 2191: if ($code =~ /^[A-Z]+$/) { # Alpha code 2192: $choice = &letters_to_num($code); 2193: } 2194: $code_selection .= ' <choice computer="'.$choice.'">'.$code."</choice>\n"; 2195: } 2196: open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab'); 2197: my $codechoice=''; 2198: foreach my $line (<FH>) { 2199: my ($name,$description,$code_type,$code_length)= 2200: (split(/:/,$line))[0,1,2,4]; 2201: if ($code_length > 0 && 2202: $code_type =~/^(letter|number|-1)/) { 2203: $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>'; 2204: } 2205: } 2206: if ($codechoice eq '') { 2207: $codechoice='<choice computer="default">Default</choice>'; 2208: } 2209: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1); 2210: <state name="CHOOSE_ANON1" title="Select Students and Resources"> 2211: <nextstate>PAGESIZE</nextstate> 2212: <message><hr width='33%' /></message> 2213: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message> 2214: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"> 2215: <validator> 2216: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && 2217: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 2218: !\$helper->{'VARS'}{'SINGLE_CODE'} && 2219: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 2220: return "You need to specify the number of assignments to print"; 2221: } 2222: return undef; 2223: </validator> 2224: </string> 2225: <message></td></tr><tr><td></message> 2226: <message><b>Value of CODE to print?</b></td><td></message> 2227: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz"> 2228: <validator> 2229: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && 2230: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 2231: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 2232: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, 2233: \$helper->{'VARS'}{'CODE_OPTION'}); 2234: } else { 2235: return undef; # Other forces control us. 2236: } 2237: </validator> 2238: </string> 2239: <message></td></tr><tr><td></message> 2240: <message><b>Names to store the CODEs under for later:</b></message> 2241: <message></td><td></message> 2242: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> 2243: <message></td></tr><tr><td></message> 2244: <message><b>Bubble sheet type:</b></message> 2245: <message></td><td></message> 2246: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0"> 2247: $codechoice 2248: </dropdown> 2249: <message></td></tr></table></message> 2250: <message><hr width='33%' /></message> 2251: <message><b>Reprint a set of saved CODEs:</b></message> 2252: <dropdown variable="REUSE_OLD_CODES"> 2253: $namechoice 2254: </dropdown> 2255: <message><hr width='33%' /></message> 2256: $resource_selector 2257: </state> 2258: CHOOSE_ANON1 2259: 2260: 2261: if ($helper->{VARS}->{'assignment'}) { 2262: 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']; 2263: 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']; 2264: } 2265: 2266: 2267: $resource_selector=<<RESOURCE_SELECTOR; 2268: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message> 2269: <resource variable="RESOURCES" multichoice="1" addstatus="1" 2270: closeallpages="1"> 2271: <filterfunc>return $isNotMap;</filterfunc> 2272: <mapurl>$map</mapurl> 2273: <valuefunc>return $symbFilter;</valuefunc> 2274: <option text='Newpage' variable='FINISHPAGE' /> 2275: </resource> 2276: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> 2277: <choices variable="EMPTY_PAGES"> 2278: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 2279: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 2280: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 2281: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 2282: </choices> 2283: <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message> 2284: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string> 2285: RESOURCE_SELECTOR 2286: 2287: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1); 2288: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources"> 2289: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" /> 2290: <choices variable='student_sort'> 2291: <choice computer='0'>Sort by section then student</choice> 2292: <choice computer='1'>Sort by students across sections.</choice> 2293: </choices> 2294: 2295: $resource_selector 2296: </state> 2297: CHOOSE_STUDENTS1 2298: 2299: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2); 2300: <state name="CHOOSE_ANON2" title="Select Students and Resources"> 2301: <nextstate>PAGESIZE</nextstate> 2302: <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message> 2303: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"> 2304: <validator> 2305: if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && 2306: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 2307: !\$helper->{'VARS'}{'SINGLE_CODE'} && 2308: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 2309: return "You need to specify the number of assignments to print"; 2310: } 2311: return undef; 2312: </validator> 2313: </string> 2314: <message></td></tr><tr><td></message> 2315: <message><b>Value of CODE to print?</b></td><td></message> 2316: <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz"> 2317: <validator> 2318: if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && 2319: !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && 2320: !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { 2321: return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, 2322: \$helper->{'VARS'}{'CODE_OPTION'}); 2323: } else { 2324: return undef; # Other forces control us. 2325: } 2326: </validator> 2327: </string> 2328: <message></td></tr><tr><td></message> 2329: <message><b>Names to store the CODEs under for later:</b></message> 2330: <message></td><td></message> 2331: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> 2332: <message></td></tr><tr><td></message> 2333: <message><b>Bubble sheet type:</b></message> 2334: <message></td><td></message> 2335: <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0"> 2336: $codechoice 2337: </dropdown> 2338: <message></td></tr></table></message> 2339: <message><hr width='33%' /></message> 2340: <message><b>Reprint a set of saved CODEs:</b></message> 2341: <dropdown variable="REUSE_OLD_CODES"> 2342: $namechoice 2343: </dropdown> 2344: <message><hr width='33%' /></message> 2345: $resource_selector 2346: </state> 2347: CHOOSE_ANON2 2348: } 2349: 2350: # FIXME: That RE should come from a library somewhere. 2351: if ((((&Apache::lonnet::allowed('bre',$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 $perm{'pav'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') { 2352: push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR']; 2353: 2354: my $f = '$filename'; 2355: my $xmlfrag = <<CHOOSE_FROM_SUBDIR; 2356: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print"> 2357: <message>(mark them then click "next" button) <br /></message> 2358: <files variable="FILES" multichoice='1'> 2359: <nextstate>PAGESIZE</nextstate> 2360: <filechoice>return '$subdir';</filechoice> 2361: CHOOSE_FROM_SUBDIR 2362: 2363: # this is broken up because I really want interpolation above, 2364: # and I really DON'T want it below 2365: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR'; 2366: <filefilter>return Apache::lonhelper::files::not_old_version($filename) && 2367: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/; 2368: </filefilter> 2369: </files> 2370: </state> 2371: CHOOSE_FROM_SUBDIR 2372: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 2373: } 2374: 2375: # Allow the user to select any sequence in the course, feed it to 2376: # another resource selector for that sequence 2377: if (!$helper->{VARS}->{'construction'}) { 2378: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course", 2379: 'select_sequences', 'CHOOSE_SEQUENCE']; 2380: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'}; 2381: #Escape apostrophes and backslashes for Perl 2382: $escapedSequenceName =~ s/\\/\\\\/g; 2383: $escapedSequenceName =~ s/'/\\'/g; 2384: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE); 2385: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From"> 2386: <message>Select the sequence to print resources from:</message> 2387: <resource variable="SEQUENCE"> 2388: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate> 2389: <filterfunc>return \$res->is_sequence;</filterfunc> 2390: <valuefunc>return $urlValue;</valuefunc> 2391: <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0); 2392: </choicefunc> 2393: </resource> 2394: </state> 2395: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print"> 2396: <message>(mark desired resources then click "next" button) <br /></message> 2397: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" 2398: closeallpages="1"> 2399: <nextstate>PAGESIZE</nextstate> 2400: <filterfunc>return $isProblem</filterfunc> 2401: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl> 2402: <valuefunc>return $symbFilter;</valuefunc> 2403: <option text='Newpage' variable='FINISHPAGE' /> 2404: </resource> 2405: </state> 2406: CHOOSE_FROM_ANY_SEQUENCE 2407: } 2408: 2409: # Generate the first state, to select which resources get printed. 2410: Apache::lonhelper::state->new("START", "Select Printing Options:"); 2411: $paramHash = Apache::lonhelper::getParamHash(); 2412: $paramHash->{MESSAGE_TEXT} = ""; 2413: Apache::lonhelper::message->new(); 2414: $paramHash = Apache::lonhelper::getParamHash(); 2415: $paramHash->{'variable'} = 'PRINT_TYPE'; 2416: $paramHash->{CHOICES} = $printChoices; 2417: Apache::lonhelper::choices->new(); 2418: 2419: my $startedTable = 0; # have we started an HTML table yet? (need 2420: # to close it later) 2421: 2422: if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 2423: ($helper->{VARS}->{'construction'} eq '1')) { 2424: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>"); 2425: $paramHash = Apache::lonhelper::getParamHash(); 2426: $paramHash->{'variable'} = 'ANSWER_TYPE'; 2427: $helper->declareVar('ANSWER_TYPE'); 2428: $paramHash->{CHOICES} = [ 2429: ['Without Answers', 'yes'], 2430: ['With Answers', 'no'], 2431: ['Only Answers', 'only'] 2432: ]; 2433: Apache::lonhelper::dropdown->new(); 2434: addMessage("</td></tr>"); 2435: $startedTable = 1; 2436: } 2437: 2438: if ($perm{'pav'}) { 2439: if (!$startedTable) { 2440: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>"); 2441: $startedTable = 1; 2442: } else { 2443: addMessage("<tr><td align='right'>LaTeX mode: </td><td>"); 2444: } 2445: $paramHash = Apache::lonhelper::getParamHash(); 2446: $paramHash->{'variable'} = 'LATEX_TYPE'; 2447: $helper->declareVar('LATEX_TYPE'); 2448: if ($helper->{VARS}->{'construction'} eq '1') { 2449: $paramHash->{CHOICES} = [ 2450: ['standard LaTeX mode', 'standard'], 2451: ['LaTeX batchmode', 'batchmode'], ]; 2452: } else { 2453: $paramHash->{CHOICES} = [ 2454: ['LaTeX batchmode', 'batchmode'], 2455: ['standard LaTeX mode', 'standard'] ]; 2456: } 2457: Apache::lonhelper::dropdown->new(); 2458: 2459: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>"); 2460: $paramHash = Apache::lonhelper::getParamHash(); 2461: $paramHash->{'variable'} = 'TABLE_CONTENTS'; 2462: $helper->declareVar('TABLE_CONTENTS'); 2463: $paramHash->{CHOICES} = [ 2464: ['No', 'no'], 2465: ['Yes', 'yes'] ]; 2466: Apache::lonhelper::dropdown->new(); 2467: addMessage("</td></tr>"); 2468: 2469: if (not $helper->{VARS}->{'construction'}) { 2470: addMessage("<tr><td align='right'>Print Index: </td><td>"); 2471: $paramHash = Apache::lonhelper::getParamHash(); 2472: $paramHash->{'variable'} = 'TABLE_INDEX'; 2473: $helper->declareVar('TABLE_INDEX'); 2474: $paramHash->{CHOICES} = [ 2475: ['No', 'no'], 2476: ['Yes', 'yes'] ]; 2477: Apache::lonhelper::dropdown->new(); 2478: addMessage("</td></tr>"); 2479: addMessage("<tr><td align='right'>Print Discussions: </td><td>"); 2480: $paramHash = Apache::lonhelper::getParamHash(); 2481: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS'; 2482: $helper->declareVar('PRINT_DISCUSSIONS'); 2483: $paramHash->{CHOICES} = [ 2484: ['No', 'no'], 2485: ['Yes', 'yes'] ]; 2486: Apache::lonhelper::dropdown->new(); 2487: addMessage("</td></tr>"); 2488: 2489: addMessage("<tr><td align = 'right'> </td><td>"); 2490: $paramHash = Apache::lonhelper::getParamHash(); 2491: $paramHash->{'multichoice'} = "true"; 2492: $paramHash->{'allowempty'} = "true"; 2493: $paramHash->{'variable'} = "showallfoils"; 2494: $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ]; 2495: Apache::lonhelper::choices->new(); 2496: addMessage("</td></tr>"); 2497: } 2498: 2499: if ($helper->{'VARS'}->{'construction'}) { 2500: my $stylevalue=$env{'construct.style'}; 2501: my $xmlfrag .= <<"RNDSEED"; 2502: <message><tr><td align='right'>Use random seed: </td><td></message> 2503: <string variable="curseed" size="15" maxlength="15"> 2504: <defaultvalue> 2505: return $helper->{VARS}->{'curseed'}; 2506: </defaultvalue> 2507: </string> 2508: <message></td></tr><tr><td align="right">Use style file:</td><td></message> 2509: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" />  <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message> 2510: <choices allowempty="1" multichoice="true" variable="showallfoils"> 2511: <choice computer="1">Show all foils?</choice> 2512: </choices> 2513: <message></td></tr></message> 2514: RNDSEED 2515: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 2516: $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'}; 2517: 2518: } 2519: } 2520: 2521: 2522: 2523: 2524: if ($startedTable) { 2525: addMessage("</table>"); 2526: } 2527: 2528: Apache::lonprintout::page_format_state->new("FORMAT"); 2529: 2530: # Generate the PAGESIZE state which will offer the user the margin 2531: # choices if they select one column 2532: Apache::lonhelper::state->new("PAGESIZE", "Set Margins"); 2533: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL'); 2534: 2535: 2536: $helper->process(); 2537: 2538: # MANUAL BAILOUT CONDITION: 2539: # If we're in the "final" state, bailout and return to handler 2540: if ($helper->{STATE} eq 'FINAL') { 2541: return $helper; 2542: } 2543: 2544: $r->print($helper->display()); 2545: if ($helper->{STATE} eq 'START') { 2546: &recently_generated($r); 2547: } 2548: &Apache::lonhelper::unregisterHelperTags(); 2549: 2550: return OK; 2551: } 2552: 2553: 2554: 1; 2555: 2556: package Apache::lonprintout::page_format_state; 2557: 2558: =pod 2559: 2560: =head1 Helper element: page_format_state 2561: 2562: See lonhelper.pm documentation for discussion of the helper framework. 2563: 2564: Apache::lonprintout::page_format_state is an element that gives the 2565: user an opportunity to select the page layout they wish to print 2566: with: Number of columns, portrait/landscape, and paper size. If you 2567: want to change the paper size choices, change the @paperSize array 2568: contents in this package. 2569: 2570: page_format_state is always directly invoked in lonprintout.pm, so there 2571: is no tag interface. You actually pass parameters to the constructor. 2572: 2573: =over 4 2574: 2575: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 2576: 2577: =back 2578: 2579: =cut 2580: 2581: use Apache::lonhelper; 2582: 2583: no strict; 2584: @ISA = ("Apache::lonhelper::element"); 2585: use strict; 2586: use Apache::lonlocal; 2587: use Apache::lonnet; 2588: 2589: my $maxColumns = 2; 2590: # it'd be nice if these all worked 2591: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 2592: # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]", 2593: # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 2594: # "a5 [148x210 mm]", "a6 [105x148 mm]" ); 2595: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 2596: "a4 [210x297 mm]"); 2597: 2598: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum | 2599: # Paper type 2600: 2601: sub new { 2602: my $self = Apache::lonhelper::element->new(); 2603: 2604: shift; 2605: 2606: $self->{'variable'} = shift; 2607: my $helper = Apache::lonhelper::getHelper(); 2608: $helper->declareVar($self->{'variable'}); 2609: bless($self); 2610: return $self; 2611: } 2612: 2613: sub render { 2614: my $self = shift; 2615: my $helper = Apache::lonhelper::getHelper(); 2616: my $result = ''; 2617: my $var = $self->{'variable'}; 2618: my $PageLayout=&mt('Page layout'); 2619: my $NumberOfColumns=&mt('Number of columns'); 2620: my $PaperType=&mt('Paper type'); 2621: $result .= <<STATEHTML; 2622: 2623: <hr width="33%" /> 2624: <table cellpadding="3"> 2625: <tr> 2626: <td align="center"><b>$PageLayout</b></td> 2627: <td align="center"><b>$NumberOfColumns</b></td> 2628: <td align="center"><b>$PaperType</b></td> 2629: </tr> 2630: <tr> 2631: <td> 2632: <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br /> 2633: <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label> 2634: </td> 2635: <td align="center"> 2636: <select name="${var}.cols"> 2637: STATEHTML 2638: 2639: my $i; 2640: for ($i = 1; $i <= $maxColumns; $i++) { 2641: if ($i == 2) { 2642: $result .= "<option value='$i' selected>$i</option>\n"; 2643: } else { 2644: $result .= "<option value='$i'>$i</option>\n"; 2645: } 2646: } 2647: 2648: $result .= "</select></td><td>\n"; 2649: $result .= "<select name='${var}.paper'>\n"; 2650: 2651: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'}); 2652: my $DefaultPaperSize=lc($parmhash{'default_paper_size'}); 2653: $DefaultPaperSize=~s/\s//g; 2654: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';} 2655: $i = 0; 2656: foreach (@paperSize) { 2657: $_=~/(\w+)/; 2658: my $papersize=$1; 2659: if ($paperSize[$i]=~/$DefaultPaperSize/) { 2660: $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n"; 2661: } else { 2662: $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n"; 2663: } 2664: $i++; 2665: } 2666: $result .= "</select></td></tr></table>"; 2667: return $result; 2668: } 2669: 2670: sub postprocess { 2671: my $self = shift; 2672: 2673: my $var = $self->{'variable'}; 2674: my $helper = Apache::lonhelper->getHelper(); 2675: $helper->{VARS}->{$var} = 2676: $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' . 2677: $env{"form.$var.paper"}; 2678: return 1; 2679: } 2680: 2681: 1; 2682: 2683: package Apache::lonprintout::page_size_state; 2684: 2685: =pod 2686: 2687: =head1 Helper element: page_size_state 2688: 2689: See lonhelper.pm documentation for discussion of the helper framework. 2690: 2691: Apache::lonprintout::page_size_state is an element that gives the 2692: user the opportunity to further refine the page settings if they 2693: select a single-column page. 2694: 2695: page_size_state is always directly invoked in lonprintout.pm, so there 2696: is no tag interface. You actually pass parameters to the constructor. 2697: 2698: =over 4 2699: 2700: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 2701: 2702: =back 2703: 2704: =cut 2705: 2706: use Apache::lonhelper; 2707: use Apache::lonnet; 2708: no strict; 2709: @ISA = ("Apache::lonhelper::element"); 2710: use strict; 2711: 2712: 2713: 2714: sub new { 2715: my $self = Apache::lonhelper::element->new(); 2716: 2717: shift; # disturbs me (probably prevents subclassing) but works (drops 2718: # package descriptor)... - Jeremy 2719: 2720: $self->{'variable'} = shift; 2721: my $helper = Apache::lonhelper::getHelper(); 2722: $helper->declareVar($self->{'variable'}); 2723: 2724: # The variable name of the format element, so we can look into 2725: # $helper->{VARS} to figure out whether the columns are one or two 2726: $self->{'formatvar'} = shift; 2727: 2728: # The state to transition to after selection, or after discovering 2729: # the cols are not set to 1 2730: $self->{NEXTSTATE} = shift; 2731: bless($self); 2732: return $self; 2733: } 2734: 2735: sub render { 2736: my $self = shift; 2737: my $helper = Apache::lonhelper::getHelper(); 2738: my $result = ''; 2739: my $var = $self->{'variable'}; 2740: 2741: if (defined $self->{ERROR_MSG}) { 2742: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />'; 2743: } 2744: 2745: $result .= <<ELEMENTHTML; 2746: 2747: <p>How should the column be formatted?</p> 2748: 2749: <table cellpadding='3'> 2750: <tr> 2751: <td align='right'><b>Width</b>:</td> 2752: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td> 2753: <td align='left'> 2754: <select name='$var.widthunit'> 2755: <option>cm</option><option>in</option> 2756: </select> 2757: </td> 2758: </tr> 2759: <tr> 2760: <td align='right'><b>Height</b>:</td> 2761: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td> 2762: <td align='left'> 2763: <select name='$var.heightunit'> 2764: <option>cm</option><option>in</option> 2765: </select> 2766: </td> 2767: </tr> 2768: <tr> 2769: <td align='right'><b>Left margin</b>:</td> 2770: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td> 2771: <td align='left'> 2772: <select name='$var.lmarginunit'> 2773: <option>cm</option><option>in</option> 2774: </select> 2775: </td> 2776: </tr> 2777: </table> 2778: 2779: <p>Hint: Some instructors like to leave scratch space for the student by 2780: making the width much smaller than the width of the page.</p> 2781: 2782: ELEMENTHTML 2783: 2784: return $result; 2785: } 2786: 2787: # If the user didn't select 1 column, skip this state. 2788: sub preprocess { 2789: my $self = shift; 2790: my $helper = Apache::lonhelper::getHelper(); 2791: 2792: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 2793: if (substr($format, 2, 1) ne '1') { 2794: $helper->changeState($self->{NEXTSTATE}); 2795: } 2796: 2797: return 1; 2798: } 2799: 2800: sub postprocess { 2801: my $self = shift; 2802: 2803: my $var = $self->{'variable'}; 2804: my $helper = Apache::lonhelper->getHelper(); 2805: my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 2806: my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 2807: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 2808: $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 2809: $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 2810: $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 2811: 2812: my $error = ''; 2813: 2814: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 2815: # by an optional period, followed by digits, ending the string 2816: 2817: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) { 2818: $error .= "Invalid width; please type only a number.<br />\n"; 2819: } 2820: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) { 2821: $error .= "Invalid height; please type only a number.<br />\n"; 2822: } 2823: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) { 2824: $error .= "Invalid left margin; please type only a number.<br />\n"; 2825: } 2826: 2827: if (!$error) { 2828: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE}); 2829: return 1; 2830: } else { 2831: $self->{ERROR_MSG} = $error; 2832: return 0; 2833: } 2834: } 2835: 2836: 2837: 2838: __END__ 2839: