loncom/interface/lonprintout.pm - view

File: [LON-CAPA] / loncom / interface / lonprintout.pm
Revision 1.323: download - view: text, annotated - select for diffs
Fri Aug 13 17:40:55 2004 UTC (19 years, 9 months ago) by sakharuk
Branches: MAIN
CVS tags: HEAD

REstored.

1: # The LearningOnline Network 2: # Printout 3: # 4: # $Id: lonprintout.pm,v 1.323 2004/08/13 17:40:55 sakharuk Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: # 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: use GDBM_File; 45: 46: 47: my %hash; 48: my $LaTeXwidth = 0; 49: 50: 51: sub latex_header_footer_remove { 52: my $text = shift; 53: $text =~ s/\\end{document}//; 54: $text =~ s/\\documentclass([^&]*)\\begin{document}//; 55: return $text; 56: } 57: 58: 59: sub character_chart { 60: my $result = shift; 61: $result =~ s/&\#0?0?(7|9);//g; 62: $result =~ s/&\#0?(10|13);//g; 63: $result =~ s/&\#0?32;/ /g; 64: $result =~ s/&\#0?33;/!/g; 65: $result =~ s/&(\#0?34|quot);/\"/g; 66: $result =~ s/&\#0?35;/\\\#/g; 67: $result =~ s/&\#0?36;/\\\$/g; 68: $result =~ s/&\#0?37;/\\%/g; 69: $result =~ s/&(\#0?38|amp);/\\&/g; 70: $result =~ s/&\#(0?39|146);/\'/g; 71: $result =~ s/&\#0?40;/(/g; 72: $result =~ s/&\#0?41;/)/g; 73: $result =~ s/&\#0?42;/\*/g; 74: $result =~ s/&\#0?43;/\+/g; 75: $result =~ s/&\#(0?44|130);/,/g; 76: $result =~ s/&\#0?45;/-/g; 77: $result =~ s/&\#0?46;/\./g; 78: $result =~ s/&\#0?47;/\//g; 79: $result =~ s/&\#0?48;/0/g; 80: $result =~ s/&\#0?49;/1/g; 81: $result =~ s/&\#0?50;/2/g; 82: $result =~ s/&\#0?51;/3/g; 83: $result =~ s/&\#0?52;/4/g; 84: $result =~ s/&\#0?53;/5/g; 85: $result =~ s/&\#0?54;/6/g; 86: $result =~ s/&\#0?55;/7/g; 87: $result =~ s/&\#0?56;/8/g; 88: $result =~ s/&\#0?57;/9/g; 89: $result =~ s/&\#0?58;/:/g; 90: $result =~ s/&\#0?59;/;/g; 91: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g; 92: $result =~ s/&\#0?61;/\\ensuremath\{=\}/g; 93: $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g; 94: $result =~ s/&\#0?63;/\?/g; 95: $result =~ s/&\#0?65;/A/g; 96: $result =~ s/&\#0?66;/B/g; 97: $result =~ s/&\#0?67;/C/g; 98: $result =~ s/&\#0?68;/D/g; 99: $result =~ s/&\#0?69;/E/g; 100: $result =~ s/&\#0?70;/F/g; 101: $result =~ s/&\#0?71;/G/g; 102: $result =~ s/&\#0?72;/H/g; 103: $result =~ s/&\#0?73;/I/g; 104: $result =~ s/&\#0?74;/J/g; 105: $result =~ s/&\#0?75;/K/g; 106: $result =~ s/&\#0?76;/L/g; 107: $result =~ s/&\#0?77;/M/g; 108: $result =~ s/&\#0?78;/N/g; 109: $result =~ s/&\#0?79;/O/g; 110: $result =~ s/&\#0?80;/P/g; 111: $result =~ s/&\#0?81;/Q/g; 112: $result =~ s/&\#0?82;/R/g; 113: $result =~ s/&\#0?83;/S/g; 114: $result =~ s/&\#0?84;/T/g; 115: $result =~ s/&\#0?85;/U/g; 116: $result =~ s/&\#0?86;/V/g; 117: $result =~ s/&\#0?87;/W/g; 118: $result =~ s/&\#0?88;/X/g; 119: $result =~ s/&\#0?89;/Y/g; 120: $result =~ s/&\#0?90;/Z/g; 121: $result =~ s/&\#0?91;/[/g; 122: $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g; 123: $result =~ s/&\#0?93;/]/g; 124: $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g; 125: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g; 126: $result =~ s/&\#(0?96|145);/\`/g; 127: $result =~ s/&\#0?97;/a/g; 128: $result =~ s/&\#0?98;/b/g; 129: $result =~ s/&\#0?99;/c/g; 130: $result =~ s/&\#100;/d/g; 131: $result =~ s/&\#101;/e/g; 132: $result =~ s/&\#102;/f/g; 133: $result =~ s/&\#103;/g/g; 134: $result =~ s/&\#104;/h/g; 135: $result =~ s/&\#105;/i/g; 136: $result =~ s/&\#106;/j/g; 137: $result =~ s/&\#107;/k/g; 138: $result =~ s/&\#108;/l/g; 139: $result =~ s/&\#109;/m/g; 140: $result =~ s/&\#110;/n/g; 141: $result =~ s/&\#111;/o/g; 142: $result =~ s/&\#112;/p/g; 143: $result =~ s/&\#113;/q/g; 144: $result =~ s/&\#114;/r/g; 145: $result =~ s/&\#115;/s/g; 146: $result =~ s/&\#116;/t/g; 147: $result =~ s/&\#117;/u/g; 148: $result =~ s/&\#118;/v/g; 149: $result =~ s/&\#119;/w/g; 150: $result =~ s/&\#120;/x/g; 151: $result =~ s/&\#121;/y/g; 152: $result =~ s/&\#122;/z/g; 153: $result =~ s/&\#123;/\\{/g; 154: $result =~ s/&\#124;/\|/g; 155: $result =~ s/&\#125;/\\}/g; 156: $result =~ s/&\#126;/\~/g; 157: $result =~ s/&\#131;/\\textflorin /g; 158: $result =~ s/&\#132;/\"/g; 159: $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g; 160: $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g; 161: $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g; 162: $result =~ s/&\#137;/\\textperthousand /g; 163: $result =~ s/&\#140;/{\\OE}/g; 164: $result =~ s/&\#147;/\`\`/g; 165: $result =~ s/&\#148;/\'\'/g; 166: $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g; 167: $result =~ s/&\#150;/--/g; 168: $result =~ s/&\#151;/---/g; 169: $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g; 170: $result =~ s/&\#153;/\\texttrademark /g; 171: $result =~ s/&\#156;/\\oe/g; 172: $result =~ s/&\#159;/\\\"Y/g; 173: $result =~ s/&(\#160|nbsp);/~/g; 174: $result =~ s/&(\#161|iexcl);/!\`/g; 175: $result =~ s/&(\#162|cent);/\\textcent /g; 176: $result =~ s/&(\#163|pound);/\\pounds /g; 177: $result =~ s/&(\#164|curren);/\\textcurrency /g; 178: $result =~ s/&(\#165|yen);/\\textyen /g; 179: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; 180: $result =~ s/&(\#167|sect);/\\textsection /g; 181: $result =~ s/&(\#168|uml);/\\texthighdieresis /g; 182: $result =~ s/&(\#169|copy);/\\copyright /g; 183: $result =~ s/&(\#170|ordf);/\\textordfeminine /g; 184: $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g; 185: $result =~ s/&(\#173|shy);/ - /g; 186: $result =~ s/&(\#174|reg);/\\textregistered /g; 187: $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g; 188: $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g; 189: $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g; 190: $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g; 191: $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g; 192: $result =~ s/&(\#180|acute);/\\textacute /g; 193: $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g; 194: $result =~ s/&(\#182|para);/\\P/g; 195: $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g; 196: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; 197: $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g; 198: $result =~ s/&(\#186|ordm);/\\textordmasculine /g; 199: $result =~ s/&(\#188|frac14);/\\textonequarter /g; 200: $result =~ s/&(\#189|frac12);/\\textonehalf /g; 201: $result =~ s/&(\#190|frac34);/\\textthreequarters /g; 202: $result =~ s/&(\#191|iquest);/?\`/g; 203: $result =~ s/&(\#192|Agrave);/\\\`{A}/g; 204: $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 205: $result =~ s/&(\#194|Acirc);/\\^{A}/g; 206: $result =~ s/&(\#195|Atilde);/\\~{A}/g; 207: $result =~ s/&(\#196|Auml);/\\\"{A}/g; 208: $result =~ s/&(\#197|Aring);/{\\AA}/g; 209: $result =~ s/&(\#198|AElig);/{\\AE}/g; 210: $result =~ s/&(\#199|Ccedil);/\\c{c}/g; 211: $result =~ s/&(\#200|Egrave);/\\\`{E}/g; 212: $result =~ s/&(\#201|Eacute);/\\\'{E}/g; 213: $result =~ s/&(\#202|Ecirc);/\\^{E}/g; 214: $result =~ s/&(\#203|Euml);/\\\"{E}/g; 215: $result =~ s/&(\#204|Igrave);/\\\`{I}/g; 216: $result =~ s/&(\#205|Iacute);/\\\'{I}/g; 217: $result =~ s/&(\#206|Icirc);/\\^{I}/g; 218: $result =~ s/&(\#207|Iuml);/\\\"{I}/g; 219: $result =~ s/&(\#209|Ntilde);/\\~{N}/g; 220: $result =~ s/&(\#210|Ograve);/\\\`{O}/g; 221: $result =~ s/&(\#211|Oacute);/\\\'{O}/g; 222: $result =~ s/&(\#212|Ocirc);/\\^{O}/g; 223: $result =~ s/&(\#213|Otilde);/\\~{O}/g; 224: $result =~ s/&(\#214|Ouml);/\\\"{O}/g; 225: $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g; 226: $result =~ s/&(\#216|Oslash);/{\\O}/g; 227: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g; 228: $result =~ s/&(\#218|Uacute);/\\\'{U}/g; 229: $result =~ s/&(\#219|Ucirc);/\\^{U}/g; 230: $result =~ s/&(\#220|Uuml);/\\\"{U}/g; 231: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g; 232: $result =~ s/&(\#223|szlig);/\\ss/g; 233: $result =~ s/&(\#224|agrave);/\\\`{a}/g; 234: $result =~ s/&(\#225|aacute);/\\\'{a}/g; 235: $result =~ s/&(\#226|acirc);/\\^{a}/g; 236: $result =~ s/&(\#227|atilde);/\\~{a}/g; 237: $result =~ s/&(\#228|auml);/\\\"{a}/g; 238: $result =~ s/&(\#229|aring);/{\\aa}/g; 239: $result =~ s/&(\#230|aelig);/{\\ae}/g; 240: $result =~ s/&(\#231|ccedil);/\\c{c}/g; 241: $result =~ s/&(\#232|egrave);/\\\`{e}/g; 242: $result =~ s/&(\#233|eacute);/\\\'{e}/g; 243: $result =~ s/&(\#234|ecirc);/\\^{e}/g; 244: $result =~ s/&(\#235|euml);/\\\"{e}/g; 245: $result =~ s/&(\#236|igrave);/\\\`{i}/g; 246: $result =~ s/&(\#237|iacute);/\\\'{i}/g; 247: $result =~ s/&(\#238|icirc);/\\^{i}/g; 248: $result =~ s/&(\#239|iuml);/\\\"{i}/g; 249: $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g; 250: $result =~ s/&(\#241|ntilde);/\\~{n}/g; 251: $result =~ s/&(\#242|ograve);/\\\`{o}/g; 252: $result =~ s/&(\#243|oacute);/\\\'{o}/g; 253: $result =~ s/&(\#244|ocirc);/\\^{o}/g; 254: $result =~ s/&(\#245|otilde);/\\~{o}/g; 255: $result =~ s/&(\#246|ouml);/\\\"{o}/g; 256: $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g; 257: $result =~ s/&(\#248|oslash);/{\\o}/g; 258: $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 259: $result =~ s/&(\#250|uacute);/\\\'{u}/g; 260: $result =~ s/&(\#251|ucirc);/\\^{u}/g; 261: $result =~ s/&(\#252|uuml);/\\\"{u}/g; 262: $result =~ s/&(\#253|yacute);/\\\'{y}/g; 263: $result =~ s/&(\#255|yuml);/\\\"{y}/g; 264: $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g; 265: #Greek Alphabet 266: $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g; 267: $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g; 268: $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g; 269: $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g; 270: $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g; 271: $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g; 272: $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g; 273: $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g; 274: $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g; 275: $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g; 276: $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g; 277: $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g; 278: $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g; 279: $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g; 280: $result =~ s/&(omicron|\#959);/o/g; 281: $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g; 282: $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g; 283: $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g; 284: $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g; 285: $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g; 286: $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g; 287: $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g; 288: $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g; 289: $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g; 290: $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g; 291: $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g; 292: $result =~ s/&(Alpha|\#913);/A/g; 293: $result =~ s/&(Beta|\#914);/B/g; 294: $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g; 295: $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g; 296: $result =~ s/&(Epsilon|\#917);/E/g; 297: $result =~ s/&(Zeta|\#918);/Z/g; 298: $result =~ s/&(Eta|\#919);/H/g; 299: $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g; 300: $result =~ s/&(Iota|\#921);/I/g; 301: $result =~ s/&(Kappa|\#922);/K/g; 302: $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g; 303: $result =~ s/&(Mu|\#924);/M/g; 304: $result =~ s/&(Nu|\#925);/N/g; 305: $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g; 306: $result =~ s/&(Omicron|\#927);/O/g; 307: $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g; 308: $result =~ s/&(Rho|\#929);/P/g; 309: $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g; 310: $result =~ s/&(Tau|\#932);/T/g; 311: $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g; 312: $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g; 313: $result =~ s/&(Chi|\#935);/X/g; 314: $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g; 315: $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g; 316: #Arrows (extended HTML 4.01) 317: $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g; 318: $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g; 319: $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g; 320: $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g; 321: $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g; 322: $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g; 323: $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g; 324: $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g; 325: $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g; 326: $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g; 327: #Mathematical Operators (extended HTML 4.01) 328: $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g; 329: $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g; 330: $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g; 331: $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g; 332: $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g; 333: $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g; 334: $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g; 335: $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g; 336: $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g; 337: $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g; 338: $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g; 339: $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g; 340: $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g; 341: $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g; 342: $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g; 343: $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g; 344: $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g; 345: $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g; 346: $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g; 347: $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g; 348: $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g; 349: $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g; 350: $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g; 351: $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g; 352: $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g; 353: $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g; 354: $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g; 355: $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g; 356: $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g; 357: $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g; 358: $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g; 359: $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g; 360: $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g; 361: $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g; 362: $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g; 363: $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g; 364: $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g; 365: #Geometric Shapes (extended HTML 4.01) 366: $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g; 367: #Miscellaneous Symbols (extended HTML 4.01) 368: $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g; 369: $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g; 370: $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g; 371: $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g; 372: return $result; 373: } 374: 375: 376: sub page_format { 377: # 378: #Correspondence between $papersize variable and real paper format: 379: # 0 - "Letter [8 1/2x11 in]" 380: # 1 - "Legal [8 1/2x14 in]" 381: # 2 - "Ledger/Tabloid [11x17 in]" 382: # 3 - "Executive [7 1/2x10 in]" 383: # 4 - "A2 [420x594 mm]" 384: # 5 - "A3 [297x420 mm]" 385: # 6 - "A4 [210x297 mm]" 386: # 7 - "A5 [148x210 mm]" 387: # 8 - "A6 [105x148 mm]" 388: # 389: my ($papersize,$layout,$numberofcolumns) = @_; 390: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = (0,0,0,0,0); 391: if ($papersize eq '0') { 392: if ($layout eq 'book') { 393: if ($numberofcolumns == 1) { 394: $textwidth = '7.1 in'; #'18 cm'; 395: $textheight = '10.2 in'; #'25.9 cm'; 396: $oddoffset = '-0.57 in'; 397: $evenoffset = '-0.57 in'; 398: } elsif ($numberofcolumns == 2) { 399: $textwidth = '3.66 in'; #'93 mm'; 400: $textheight = '10.2 in'; #'25.9 cm'; 401: $oddoffset = '-0.57 in'; 402: $evenoffset = '-0.57 in'; 403: } 404: } elsif ($layout eq 'album') { 405: if ($numberofcolumns eq '1') { 406: $textwidth = '8.8 in'; 407: $textheight = '6.8 in'; 408: $oddoffset = '-40 pt'; 409: $evenoffset = '-60 pt'; 410: } elsif ($numberofcolumns == 2) { 411: $textwidth = '4.4 in'; 412: $textheight = '6.8 in'; 413: $oddoffset = '-0.5 in'; 414: $evenoffset = '-1.5 in'; 415: $topmargin = '3.5 in'; 416: } 417: } 418: <<<<<<< lonprintout.pm 419: } elsif($papersize eq '1') { 420: if ($layout eq 'book') { 421: if ($numberofcolumns == 1) { 422: $textwidth = '7.1 in'; 423: $textheight = '13 in'; 424: $oddoffset = '-0.57 in'; 425: $evenoffset = '-0.57 in'; 426: $topmargin = '-0.5 in'; 427: } elsif ($numberofcolumns == 2) { 428: $textwidth = '3.66 in'; 429: $textheight = '13 in'; 430: $oddoffset = '-0.57 in'; 431: $evenoffset = '-0.57 in'; 432: $topmargin = '-0.5 in'; 433: } 434: } elsif ($layout eq 'album') { 435: if ($numberofcolumns eq '1') { 436: # $textwidth = '8.8 in'; 437: # $textheight = '6.8 in'; 438: # $oddoffset = '-40 pt'; 439: # $evenoffset = '-60 pt'; 440: } elsif ($numberofcolumns == 2) { 441: # $textwidth = '4.4 in'; 442: # $textheight = '6.8 in'; 443: # $oddoffset = '-0.5 in'; 444: # $evenoffset = '-1.5 in'; 445: # $topmargin = '3.5 in'; 446: } 447: } 448: } elsif($papersize eq '2') { 449: if ($layout eq 'book') { 450: if ($numberofcolumns == 1) { 451: $textwidth = '9.8 in'; 452: $textheight = '16 in'; 453: $oddoffset = '-0.57 in'; 454: $evenoffset = '-0.57 in'; 455: $topmargin = '-0.5 in'; 456: } elsif ($numberofcolumns == 2) { 457: $textwidth = '4.9 in'; 458: $textheight = '16 in'; 459: $oddoffset = '-0.57 in'; 460: $evenoffset = '-0.57 in'; 461: $topmargin = '-0.5 in'; 462: } 463: } elsif ($layout eq 'album') { 464: if ($numberofcolumns eq '1') { 465: # $textwidth = '8.8 in'; 466: # $textheight = '6.8 in'; 467: # $oddoffset = '-40 pt'; 468: # $evenoffset = '-60 pt'; 469: } elsif ($numberofcolumns == 2) { 470: # $textwidth = '4.4 in'; 471: # $textheight = '6.8 in'; 472: # $oddoffset = '-0.5 in'; 473: # $evenoffset = '-1.5 in'; 474: # $topmargin = '3.5 in'; 475: } 476: } 477: } elsif($papersize eq '3') { 478: if ($layout eq 'book') { 479: if ($numberofcolumns == 1) { 480: $textwidth = '7 in'; 481: $textheight = '9 in'; 482: $oddoffset = '-0.57 in'; 483: $evenoffset = '-0.57 in'; 484: $topmargin = '-0.5 in'; 485: } elsif ($numberofcolumns == 2) { 486: $textwidth = '3.5 in'; 487: $textheight = '9 in'; 488: $oddoffset = '-0.57 in'; 489: $evenoffset = '-0.57 in'; 490: $topmargin = '-0.5 in'; 491: } 492: } elsif ($layout eq 'album') { 493: if ($numberofcolumns eq '1') { 494: # $textwidth = '8.8 in'; 495: # $textheight = '6.8 in'; 496: # $oddoffset = '-40 pt'; 497: # $evenoffset = '-60 pt'; 498: } elsif ($numberofcolumns == 2) { 499: # $textwidth = '4.4 in'; 500: # $textheight = '6.8 in'; 501: # $oddoffset = '-0.5 in'; 502: # $evenoffset = '-1.5 in'; 503: # $topmargin = '3.5 in'; 504: } 505: } 506: } elsif($papersize eq '6') { 507: if ($layout eq 'book') { 508: if ($numberofcolumns == 1) { 509: $textwidth = '176 mm'; 510: $textheight = '272 mm'; 511: $oddoffset = '-0.57 in'; 512: $evenoffset = '-0.57 in'; 513: $topmargin = '-0.5 in'; 514: } elsif ($numberofcolumns == 2) { 515: $textwidth = '91 mm'; 516: $textheight = '272 mm'; 517: $oddoffset = '-0.57 in'; 518: $evenoffset = '-0.57 in'; 519: $topmargin = '-0.5 in'; 520: } 521: } elsif ($layout eq 'album') { 522: if ($numberofcolumns eq '1') { 523: $textwidth = '8.5 in'; 524: $textheight = '7.7 in'; 525: $oddoffset = '-40 pt'; 526: $evenoffset = '-60 pt'; 527: } elsif ($numberofcolumns == 2) { 528: $textwidth = '3.9 in'; 529: $textheight = '7.7 in'; 530: $oddoffset = '-40 pt'; 531: $evenoffset = '-60 pt'; 532: } 533: } 534: # } elsif($papersize eq '5') { 535: # } elsif($papersize eq '4') { 536: # } elsif($papersize eq '7') { 537: # } elsif($papersize eq '8') { 538: } 539: return $textwidth,$textheight,$oddoffset,$evenoffset,$topmargin; 540: } 541: 542: 543: sub get_name { 544: my ($uname,$udom)=@_; 545: if (!defined($uname)) { $uname=$ENV{'user.name'}; } 546: if (!defined($udom)) { $udom=$ENV{'user.domain'}; } 547: my $plainname=&Apache::loncommon::plainname($uname,$udom); 548: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; } 549: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header'); 550: return $plainname; 551: } 552: 553: sub get_course { 554: my $courseidinfo; 555: if (defined($ENV{'request.course.id'})) { 556: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header'); 557: } 558: return $courseidinfo; 559: } 560: 561: sub page_format_transformation { 562: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 563: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin); 564: if ($selectionmade eq '4') { 565: $assignment='Problems from the Whole Course'; 566: } else { 567: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header'); 568: } 569: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin); 570: my $name = &get_name(); 571: my $courseidinfo = &get_course(); 572: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 573: my $topmargintoinsert = ''; 574: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';} 575: if ($layout eq 'album') { 576: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}} \\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1} /; 577: } elsif ($layout eq 'book') { 578: 579: if ($choice ne 'All class print') { 580: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/; 581: } else { 582: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /; 583: } 584: if ($papersize eq '6') { 585: $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/; 586: } 587: } 588: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;} 589: if ($indexlist eq 'yes') { 590: $text=~s/(\\begin{document})/\\makeindex $1/; 591: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/; 592: } 593: return $text; 594: } 595: 596: 597: sub page_cleanup { 598: my $result = shift; 599: 600: $result =~ m/\\end{document}(\d*)$/; 601: my $number_of_columns = $1; 602: my $insert = '{'; 603: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; } 604: $insert .= '}'; 605: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; 606: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g; 607: return $result,$number_of_columns; 608: } 609: 610: 611: sub details_for_menu { 612: 613: my $name_of_resourse = &Apache::lonnet::gettitle($ENV{'form.postdata'}); 614: my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'}); 615: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic); 616: $map=&Apache::lonnet::clutter($map); 617: my $name_of_sequence = &Apache::lonnet::gettitle($map); 618: if ($name_of_sequence =~ /^\s*$/) { 619: $map =~ m|([^/]+)$|; 620: $name_of_sequence = $1; 621: } 622: my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'}); 623: if ($name_of_map =~ /^\s*$/) { 624: $ENV{'request.course.uri'} =~ m|([^/]+)$|; 625: $name_of_map = $1; 626: } 627: return ($name_of_resourse,$name_of_sequence,$name_of_map); 628: 629: } 630: 631: 632: sub latex_corrections { 633: 634: my ($number_of_columns,$result,$selectionmade) = @_; 635: 636: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; 637: $result =~ s/\$number_of_columns/$number_of_columns/g; 638: if ($selectionmade ne '1') { 639: $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/; 640: } else { 641: $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/; 642: } 643: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; 644: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g; 645: #-- LaTeX corrections 646: my $first_comment = index($result,'',$first_comment); 649: substr($result,$first_comment,$end_comment-$first_comment+3) = ''; 650: $first_comment = index($result,'<!--',$first_comment); 651: } 652: $result =~ s/^\s+$//gm; #remove empty lines 653: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space 654: $result =~ s/\\\\\s*\\vskip/\\vskip/gm; 655: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g; 656: $result =~ s/{\\par }\s*\\\\/\\\\/gm; 657: $result =~ s/\\\\\s+\[/ \[/g; 658: #conversion of html characters to LaTeX equivalents 659: if ($result =~ m/&(\w+|#\d+);/) { 660: $result = &character_chart($result); 661: } 662: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g; 663: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g; 664: 665: return $result; 666: } 667: 668: 669: sub index_table { 670: my $currentURL = shift; 671: my $insex_string=''; 672: $currentURL=~s/\.([^\/+])$/\.$1\.meta/; 673: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords'); 674: return $insex_string; 675: } 676: 677: 678: sub IndexCreation { 679: my ($texversion,$currentURL)=@_; 680: my @key_words=split(/,/,&index_table($currentURL)); 681: my $chunk=''; 682: my $st=index $texversion,'\addcontentsline{toc}{subsection}{'; 683: if ($st>0) { 684: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);} 685: $chunk=substr($texversion,0,$st+1); 686: substr($texversion,0,$st+1)=' '; 687: } 688: foreach my $key_word (@key_words) { 689: if ($key_word=~/\S+/) { 690: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i; 691: } 692: } 693: if ($st>0) {substr($texversion,0,1)=$chunk;} 694: return $texversion; 695: } 696: 697: sub print_latex_header { 698: my $mode=shift; 699: my $output='\documentclass[letterpaper]{article}'; 700: if ($mode eq 'batchmode') { 701: $output.='\batchmode'; 702: } 703: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'. 704: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'. 705: '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'. 706: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'. 707: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'. 708: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'. 709: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'. 710: '\setlength{\abovedisplayshortskip}{-0.04in}'. 711: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'. 712: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'. 713: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'. 714: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'. 715: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'. 716: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'. 717: '\setlength{\abovedisplayshortskip}{-0.04in}'. 718: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'; 719: return $output; 720: } 721: 722: sub path_to_problem { 723: my ($urlp,$LaTeXwidth)=@_; 724: my $newurlp = ''; 725: $LaTeXwidth=~s/\s*mm\s*$//; 726: my $HowMany = length($urlp)*2; 727: if ($HowMany > $LaTeXwidth) { 728: my @temporrary = split '/',$urlp; 729: my $HowManyNew = 0; 730: for (my $ii=0;$ii<=$#temporrary;$ii++) { 731: if ($temporrary[$ii] ne '') { 732: $HowManyNew += length($temporrary[$ii])*2; 733: if ($HowManyNew < $LaTeXwidth ) { 734: $newurlp .= '/'.$temporrary[$ii]; 735: } else { 736: $HowManyNew = 0; 737: $newurlp .= '|\vskip -1 mm \noindent \verb|'; 738: $ii--; 739: } 740: } 741: } 742: } else { 743: $newurlp=$urlp; 744: } 745: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}'; 746: } 747: 748: sub recalcto_mm { 749: my $textwidth=shift; 750: my $LaTeXwidth; 751: if ($textwidth=~/(\d+\.?\d*)\s*cm/) { 752: $LaTeXwidth = $1*10; 753: } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) { 754: $LaTeXwidth = $1; 755: } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) { 756: $LaTeXwidth = $1*25.4; 757: } 758: $LaTeXwidth.=' mm'; 759: return $LaTeXwidth; 760: } 761: 762: sub get_textwidth { 763: my ($helper,$LaTeXwidth)=@_; 764: my $textwidth=$LaTeXwidth; 765: if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ && 766: $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) { 767: $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '. 768: $helper->{'VARS'}->{'pagesize.widthunit'}); 769: } 770: return $textwidth; 771: } 772: 773: 774: sub unsupported { 775: my ($currentURL,$mode)=@_; 776: if ($mode ne '') {$mode='\\'.$mode} 777: my $result.= &print_latex_header($mode); 778: if ($currentURL=~/\/ext\//) { 779: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' '; 780: } else { 781: $result.=$currentURL; 782: } 783: $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}'; 784: return $result; 785: } 786: 787: 788: sub output_data { 789: my ($r,$helper,$rparmhash) = @_; 790: my %parmhash = %$rparmhash; 791: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout'); 792: $r->print(<<ENDPART); 793: <html> 794: <script type="text/javascript" language="Javascript" > 795: var editbrowser; 796: function openbrowser(formname,elementname,only,omit) { 797: var url = '/res/?'; 798: if (editbrowser == null) { 799: url += 'launch=1&'; 800: } 801: url += 'catalogmode=interactive&'; 802: url += 'mode=parmset&'; 803: url += 'form=' + formname + '&'; 804: if (only != null) { 805: url += 'only=' + only + '&'; 806: } 807: if (omit != null) { 808: url += 'omit=' + omit + '&'; 809: } 810: url += 'element=' + elementname + ''; 811: var title = 'Browser'; 812: var options = 'scrollbars=1,resizable=1,menubar=0'; 813: options += ',width=700,height=600'; 814: editbrowser = open(url,title,options,'1'); 815: editbrowser.focus(); 816: } 817: </script> 818: <head> 819: <title>LON-CAPA output for printing</title> 820: </head> 821: $bodytag 822: Please stand by while processing your print request, this may take some time ... 823: ENDPART 824: 825: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 826: my ($result,$selectionmade) = ('',''); 827: my $number_of_columns = 1; #used only for pages to determine the width of the cell 828: my @temporary_array=split /\|/,$format_from_helper; 829: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array; 830: if ($laystyle eq 'L') { 831: $laystyle='album'; 832: } else { 833: $laystyle='book'; 834: } 835: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns); 836: my $assignment = $ENV{'form.assignment'}; 837: my $LaTeXwidth=&recalcto_mm($textwidth); 838: my @print_array=(); 839: my @student_names=(); 840: 841: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') { 842: #-- single document - problem, page, html, xml, ... 843: my $currentURL; 844: if ($helper->{'VARS'}->{'construction'} ne '1') { 845: #prints published resource 846: $currentURL=$helper->{'VARS'}->{'postdata'}; 847: } else { 848: #prints resource from the construction space 849: $currentURL='/'.$helper->{'VARS'}->{'filename'}; 850: if ($currentURL=~/([^?]+)/) {$currentURL=$1;} 851: } 852: $selectionmade = 1; 853: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 854: my $rndseed=time; 855: my $texversion=''; 856: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { 857: my %moreenv; 858: $moreenv{'request.filename'}=$currentURL; 859: if ($helper->{'VARS'}->{'style_file'}=~/\w/) { 860: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'}; 861: my $dom = $ENV{'user.domain'}; 862: my $user = $ENV{'user.name'}; 863: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user); 864: } 865: my %form; 866: if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';} 867: $form{'grade_target'}='tex'; 868: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth); 869: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 870: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 871: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 872: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 873: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';} 874: if ($helper->{'VARS'}->{'curseed'}) { 875: $rndseed=$helper->{'VARS'}->{'curseed'}; 876: } 877: $form{'rndseed'}=$rndseed; 878: &Apache::lonnet::appenv(%moreenv); 879: &Apache::lonnet::delenv('form.counter'); 880: &Apache::lonxml::init_counter(); 881: $texversion.=&Apache::lonnet::ssi($currentURL,%form); 882: &Apache::lonnet::delenv('form.counter'); 883: &Apache::lonnet::delenv('request.filename'); 884: } 885: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 886: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 887: my %form; 888: $form{'grade_target'}='answer'; 889: $form{'answer_output_mode'}='tex'; 890: $form{'rndseed'}=$rndseed; 891: my $answer=&Apache::lonnet::ssi($currentURL,%form); 892: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 893: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 894: } else { 895: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 896: if ($helper->{'VARS'}->{'construction'} ne '1') { 897: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm '; 898: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth); 899: } else { 900: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 901: my $URLpath=$currentURL; 902: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/; 903: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth); 904: } 905: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 906: } 907: } 908: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 909: $texversion=&IndexCreation($texversion,$currentURL); 910: } 911: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 912: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; 913: 914: } 915: $result .= $texversion; 916: if ($currentURL=~m/\.page\s*$/) { 917: ($result,$number_of_columns) = &page_cleanup($result); 918: } 919: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') { 920: #printing content of sequence from the construction space 921: my $flag_latex_header_remove = 'NO'; 922: my $rndseed=time; 923: if ($helper->{'VARS'}->{'curseed'}) { 924: $rndseed=$helper->{'VARS'}->{'curseed'}; 925: } 926: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|; 927: my $errtext=&Apache::lonratedt::mapread($currentURL); 928: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) { 929: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/; 930: my $urlp=$2; 931: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) { 932: my $texversion=''; 933: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { 934: my %form; 935: $form{'grade_target'}='tex'; 936: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth); 937: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 938: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 939: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 940: $form{'rndseed'}=$rndseed; 941: $texversion=&Apache::lonnet::ssi($urlp,%form); 942: } 943: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 944: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 945: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) { 946: my %form; 947: $form{'grade_target'}='answer'; 948: $form{'answer_output_mode'}='tex'; 949: $form{'rndseed'}=$rndseed; 950: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';} 951: my $answer=&Apache::lonnet::ssi($urlp,%form); 952: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 953: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 954: } else { 955: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 956: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm '; 957: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth); 958: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 959: } 960: } 961: if ($flag_latex_header_remove ne 'NO') { 962: $texversion = &latex_header_footer_remove($texversion); 963: } else { 964: $texversion =~ s/\\end{document}//; 965: } 966: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 967: $texversion=&IndexCreation($texversion,$urlp); 968: } 969: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') { 970: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 971: } 972: $result.=$texversion; 973: $flag_latex_header_remove = 'YES'; 974: } elsif ($urlp=~/\.(sequence|page)$/) { 975: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent '; 976: } 977: } 978: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;} 979: $result .= '\end{document}'; 980: } elsif ($currentURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 981: my %form; 982: $form{'grade_target'}='tex'; 983: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth); 984: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 985: if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;} 986: my $texversion=&Apache::lonnet::ssi($currentURL,%form); 987: $result .= $texversion; 988: } else { 989: $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'}); 990: } 991: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or 992: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or 993: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or 994: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 995: #-- produce an output string 996: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') { 997: $selectionmade = 2; 998: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') { 999: $selectionmade = 3; 1000: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') { 1001: $selectionmade = 4; 1002: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') { 1003: $selectionmade = 7; 1004: } 1005: my %form=(); 1006: $form{'grade_target'}='tex'; 1007: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth); 1008: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 1009: $form{'suppress_tries'}=$parmhash{'suppress_tries'}; 1010: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1011: $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 1012: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';} 1013: my $flag_latex_header_remove = 'NO'; 1014: my $flag_page_in_sequence = 'NO'; 1015: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 1016: my $prevassignment=''; 1017: &Apache::lonnet::delenv('form.counter'); 1018: &Apache::lonxml::init_counter(); 1019: for (my $i=0;$i<=$#master_seq;$i++) { 1020: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]); 1021: $urlp=&Apache::lonnet::clutter($urlp); 1022: $form{'symb'}=$master_seq[$i]; 1023: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]); 1024: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem 1025: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;} 1026: if ($i==0) {$prevassignment=$assignment;} 1027: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]"); 1028: my $texversion=''; 1029: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 1030: $texversion.=&Apache::lonnet::ssi($urlp,%form); 1031: if ($urlp=~/\.page$/) { 1032: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion); 1033: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 1034: $texversion =~ s/\\end{document}\d*/\\end{document}/; 1035: $flag_page_in_sequence = 'YES'; 1036: } 1037: my $lonidsdir=$r->dir_config('lonIDsDir'); 1038: my $envfile=$ENV{'user.environment'}; 1039: $envfile=~/\/([^\/]+)\.id$/; 1040: $envfile=$1; 1041: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile); 1042: my $current_counter=$ENV{'form.counter'}; 1043: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 1044: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 1045: my %form; 1046: $form{'grade_target'}='answer'; 1047: $form{'answer_output_mode'}='tex'; 1048: my $answer=&Apache::lonnet::ssi($urlp,%form); 1049: &Apache::lonnet::appenv(('form.counter' => $current_counter)); 1050: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 1051: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 1052: } else { 1053: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) { 1054: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 1055: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm '; 1056: $texversion.=&path_to_problem ($urlp,$LaTeXwidth); 1057: $texversion.='\vskip 1 mm '.$answer; 1058: } else { 1059: $texversion=''; 1060: } 1061: } 1062: } 1063: if ($flag_latex_header_remove ne 'NO') { 1064: $texversion = &latex_header_footer_remove($texversion); 1065: } else { 1066: $texversion =~ s/\\end{document}//; 1067: } 1068: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 1069: $texversion=&IndexCreation($texversion,$urlp); 1070: } 1071: if (($selectionmade == 4) and ($assignment ne $prevassignment)) { 1072: my $name = &get_name(); 1073: my $courseidinfo = &get_course(); 1074: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 1075: $prevassignment=$assignment; 1076: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm '; 1077: } 1078: $result .= $texversion; 1079: $flag_latex_header_remove = 'YES'; 1080: } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 1081: my %form; 1082: $form{'grade_target'}='tex'; 1083: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth); 1084: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1085: if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;} 1086: my $texversion=&Apache::lonnet::ssi($urlp,%form); 1087: if ($flag_latex_header_remove ne 'NO') { 1088: $texversion = &latex_header_footer_remove($texversion); 1089: } else { 1090: $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/; 1091: } 1092: $result .= $texversion; 1093: $flag_latex_header_remove = 'YES'; 1094: } else { 1095: $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'}); 1096: if ($flag_latex_header_remove ne 'NO') { 1097: $texversion = &latex_header_footer_remove($texversion); 1098: } else { 1099: $texversion =~ s/\\end{document}//; 1100: } 1101: $result .= $texversion; 1102: $flag_latex_header_remove = 'YES'; 1103: } 1104: } 1105: &Apache::lonnet::delenv('form.counter'); 1106: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;} 1107: $result .= '\end{document}'; 1108: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') || 1109: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){ 1110: #-- prints assignments for whole class or for selected students 1111: my $type; 1112: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') { 1113: $selectionmade=5; 1114: $type='problems'; 1115: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') { 1116: $selectionmade=8; 1117: $type='resources'; 1118: } 1119: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'}; 1120: if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' || 1121: $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) { 1122: $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1; 1123: } 1124: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 1125: #loop over students 1126: my $flag_latex_header_remove = 'NO'; 1127: my %moreenv; 1128: $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth); 1129: $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; 1130: if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';} 1131: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75'); 1132: my $student_counter=-1; 1133: foreach my $person (@students) { 1134: my $duefile="/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due"; 1135: if (-e $duefile) { 1136: my $temp_file = Apache::File->new('>>'.$duefile); 1137: print $temp_file "1969\n"; 1138: } 1139: $student_counter++; 1140: my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'}); 1141: my ($output,$fullname)=&print_resources($r,$helper,$person,$type,\%moreenv,\@master_seq,$flag_latex_header_remove); 1142: $print_array[$i].=$output; 1143: $student_names[$i].=$person.':'.$fullname.'_END_'; 1144: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname); 1145: $flag_latex_header_remove = 'YES'; 1146: } 1147: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); 1148: $result .= $print_array[0].' \end{document}'; 1149: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') || 1150: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) { 1151: my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; 1152: my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; 1153: my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'}; 1154: my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'}; 1155: my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'}; 1156: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 1157: my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'}); 1158: my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'}; 1159: if ($number_per_page eq '0' || $number_per_page eq 'all') { 1160: $number_per_page=$num_todo; 1161: } 1162: my $flag_latex_header_remove = 'NO'; 1163: my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth)); 1164: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75'); 1165: my $seed=time+($$<<16)+($$); 1166: my @allcodes; 1167: if ($old_name) { 1168: my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum); 1169: @allcodes=split(',',$result{$old_name}); 1170: } else { 1171: my %allcodes; 1172: srand($seed); 1173: for (my $i=0;$i<$num_todo;$i++) { 1174: $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6'); 1175: } 1176: if ($code_name) { 1177: &Apache::lonnet::put('CODEs', 1178: {$code_name =>join(',',keys(%allcodes))}, 1179: $cdom,$cnum); 1180: } 1181: @allcodes=keys(%allcodes); 1182: } 1183: my $count=0; 1184: foreach my $code (sort(@allcodes)) { 1185: my $file_num=int($count/$number_per_page); 1186: $moreenv{'CODE'}=&num_to_letters($code); 1187: my ($output,$fullname)= 1188: &print_resources($r,$helper,'anonymous',$type,\%moreenv, 1189: \@master_seq,$flag_latex_header_remove); 1190: $print_array[$file_num].=$output; 1191: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, 1192: &mt('last assignment').' '.$fullname); 1193: $flag_latex_header_remove = 'YES'; 1194: $count++; 1195: } 1196: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); 1197: $result .= $print_array[0].' \end{document}'; 1198: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') { 1199: #prints selected problems from the subdirectory 1200: $selectionmade = 6; 1201: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'}; 1202: @list_of_files=sort @list_of_files; 1203: my $flag_latex_header_remove = 'NO'; 1204: my $rndseed=time; 1205: if ($helper->{'VARS'}->{'curseed'}) { 1206: $rndseed=$helper->{'VARS'}->{'curseed'}; 1207: } 1208: for (my $i=0;$i<=$#list_of_files;$i++) { 1209: my $urlp = $list_of_files[$i]; 1210: $urlp=~s|//|/|; 1211: if ($urlp=~/\//) { 1212: my %form; 1213: $form{'grade_target'}='tex'; 1214: $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth); 1215: $form{'rndseed'}=$rndseed; 1216: if ($urlp =~ m|/home/([^/]+)/public_html|) { 1217: $urlp =~ s|/home/([^/]*)/public_html|/~$1|; 1218: } else { 1219: $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||; 1220: } 1221: my $texversion=&Apache::lonnet::ssi($urlp,%form); 1222: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 1223: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 1224: my %form; 1225: $form{'grade_target'}='answer'; 1226: $form{'answer_output_mode'}='tex'; 1227: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1228: $form{'rndseed'}=$rndseed; 1229: my $answer=&Apache::lonnet::ssi($urlp,%form); 1230: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 1231: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 1232: } else { 1233: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 1234: if ($helper->{'VARS'}->{'construction'} ne '1') { 1235: $texversion.='\vskip 0 mm \noindent '; 1236: $texversion.=&path_to_problem ($urlp,$LaTeXwidth); 1237: } else { 1238: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 1239: my $URLpath=$urlp; 1240: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/; 1241: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth); 1242: } 1243: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 1244: } 1245: } 1246: #this chunck is responsible for printing the path to problem 1247: my $newurlp=$urlp; 1248: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;} 1249: $newurlp=&path_to_problem($newurlp,$LaTeXwidth); 1250: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/; 1251: if ($flag_latex_header_remove ne 'NO') { 1252: $texversion = &latex_header_footer_remove($texversion); 1253: } else { 1254: $texversion =~ s/\\end{document}//; 1255: } 1256: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 1257: $texversion=&IndexCreation($texversion,$urlp); 1258: } 1259: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 1260: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 1261: 1262: } 1263: $result .= $texversion; 1264: } 1265: $flag_latex_header_remove = 'YES'; 1266: } 1267: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;} 1268: $result .= '\end{document}'; 1269: } 1270: #-------------------------------------------------------- corrections for the different page formats 1271: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade); 1272: $result = &latex_corrections($number_of_columns,$result,$selectionmade); 1273: for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);} 1274: #changes page's parameters for the one column output 1275: if ($numberofcolumns == 1) { 1276: $result =~ s/\\textwidth\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /; 1277: $result =~ s/\\textheight\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /; 1278: $result =~ s/\\evensidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 1279: $result =~ s/\\oddsidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 1280: } 1281: #-- writing .tex file in prtspool 1282: my $temp_file; 1283: my $identifier = &Apache::loncommon::get_cgi_id(); 1284: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex"; 1285: if (!($#print_array>0)) { 1286: unless ($temp_file = Apache::File->new('>'.$filename)) { 1287: $r->log_error("Couldn't open $filename for output $!"); 1288: return SERVER_ERROR; 1289: } 1290: print $temp_file $result; 1291: my $begin=index($result,'\begin{document}',0); 1292: my $inc=substr($result,0,$begin+16); 1293: } else { 1294: my $begin=index($result,'\begin{document}',0); 1295: my $inc=substr($result,0,$begin+16); 1296: for (my $i=0;$i<=$#print_array;$i++) { 1297: if ($i==0) { 1298: $print_array[$i]=$result; 1299: } else { 1300: my $anobegin=index($print_array[$i],'\setcounter{page}',0); 1301: substr($print_array[$i],0,$anobegin)=''; 1302: $print_array[$i]=$inc.$print_array[$i].'\end{document}'; 1303: } 1304: my $temp_file; 1305: my $newfilename=$filename; 1306: my $num=$i+1; 1307: $newfilename =~s/\.tex$/_$num\.tex/; 1308: unless ($temp_file = Apache::File->new('>'.$newfilename)) { 1309: $r->log_error("Couldn't open $newfilename for output $!"); 1310: return SERVER_ERROR; 1311: } 1312: print $temp_file $print_array[$i]; 1313: } 1314: } 1315: my $student_names=''; 1316: if ($#print_array>0) { 1317: for (my $i=0;$i<=$#print_array;$i++) { 1318: $student_names.=$student_names[$i].'_ENDPERSON_'; 1319: } 1320: } else { 1321: if ($#student_names>-1) { 1322: $student_names=$student_names[0].'_ENDPERSON_'; 1323: } else { 1324: my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'}); 1325: $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'}, 1326: $ENV{'request.course.sec'},$fullname). 1327: '_ENDPERSON_'.'_END_'; 1328: } 1329: } 1330: 1331: my $URLback=''; #link to original document 1332: if ($helper->{'VARS'}->{'construction'} ne '1') { 1333: #prints published resource 1334: $URLback=$helper->{'VARS'}->{'postdata'}; 1335: } else { 1336: #prints resource from the construction space 1337: $URLback='/'.$helper->{'VARS'}->{'filename'}; 1338: if ($URLback=~/([^?]+)/) { 1339: $URLback=$1; 1340: $URLback=~s|^/~|/priv/|; 1341: } 1342: } 1343: 1344: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename, 1345: 'cgi.'.$identifier.'.layout' => $laystyle, 1346: 'cgi.'.$identifier.'.numcol' => $numberofcolumns, 1347: 'cgi.'.$identifier.'.paper' => $papersize, 1348: 'cgi.'.$identifier.'.selection' => $selectionmade, 1349: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'}, 1350: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'}, 1351: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'}, 1352: 'cgi.'.$identifier.'numberoffiles' => $#print_array, 1353: 'cgi.'.$identifier.'studentnames' => $student_names, 1354: 'cgi.'.$identifier.'backref' => $URLback,); 1355: 1356: $r->print(<<FINALEND); 1357: 1358: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" /> 1359: <a href="/cgi-bin/printout.pl?$identifier">Continue</a> 1360: </body> 1361: </html> 1362: FINALEND 1363: } 1364: 1365: sub num_to_letters { 1366: my ($num) = @_; 1367: my @nums= split('',$num); 1368: my @num_to_let=('A'..'Z'); 1369: my $word; 1370: foreach my $digit (@nums) { $word.=$num_to_let[$digit]; } 1371: return $word; 1372: } 1373: 1374: sub get_CODE { 1375: my ($all_codes,$num,$seed,$size)=@_; 1376: my $max='1'.'0'x$size; 1377: my $newcode; 1378: while(1) { 1379: $newcode=sprintf("%06d",int(rand($max))); 1380: if (!exists($$all_codes{$newcode})) { 1381: $$all_codes{$newcode}=1; 1382: return &num_to_letters($newcode); 1383: } 1384: } 1385: } 1386: 1387: sub print_resources { 1388: my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header)=@_; 1389: my $current_output = ''; 1390: my ($username,$userdomain,$usersection) = split /:/,$person; 1391: my $fullname = &get_name($username,$userdomain); 1392: my $namepostfix; 1393: if ($person =~ 'anon') { 1394: $namepostfix="\\\\Name: "; 1395: $fullname = "CODE - ".$moreenv->{'CODE'}; 1396: } 1397: #goes through all resources, checks if they are available for 1398: #current student, and produces output 1399: &Apache::lonnet::delenv('form.counter'); 1400: &Apache::lonxml::init_counter(); 1401: foreach my $curresline (@{$master_seq}) { 1402: if ( !($type eq 'problems' && 1403: ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) { 1404: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline); 1405: if (&Apache::lonnet::allowed('bre',$res_url)) { 1406: if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 1407: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv); 1408: my $lonidsdir=$r->dir_config('lonIDsDir'); 1409: my $envfile=$ENV{'user.environment'}; 1410: $envfile=~/\/([^\/]+)\.id$/; 1411: $envfile=$1; 1412: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile); 1413: my $current_counter=$ENV{'form.counter'}; 1414: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 1415: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 1416: my %form; 1417: $form{'answer_output_mode'}='tex'; 1418: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1419: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form); 1420: &Apache::lonnet::appenv(('form.counter' => $current_counter)); 1421: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 1422: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/; 1423: } else { 1424: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 1425: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm '; 1426: $rendered.=&path_to_problem ($curresline,$LaTeXwidth); 1427: $rendered.='\vskip 1 mm '.$ansrendered; 1428: } 1429: } 1430: if ($remove_latex_header eq 'YES') { 1431: $rendered = &latex_header_footer_remove($rendered); 1432: } else { 1433: $rendered =~ s/\\end{document}//; 1434: } 1435: $current_output .= $rendered; 1436: } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 1437: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv); 1438: my $lonidsdir=$r->dir_config('lonIDsDir'); 1439: my $envfile=$ENV{'user.environment'}; 1440: $envfile=~/\/([^\/]+)\.id$/; 1441: $envfile=$1; 1442: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile); 1443: my $current_counter=$ENV{'form.counter'}; 1444: if ($remove_latex_header eq 'YES') { 1445: $rendered = &latex_header_footer_remove($rendered); 1446: } else { 1447: $rendered =~ s/\\end{document}//; 1448: } 1449: $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut '; 1450: } else { 1451: my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'}); 1452: if ($remove_latex_header ne 'NO') { 1453: $rendered = &latex_header_footer_remove($rendered); 1454: } else { 1455: $rendered =~ s/\\end{document}//; 1456: } 1457: $current_output .= $rendered; 1458: } 1459: } 1460: $remove_latex_header = 'YES'; 1461: } 1462: } 1463: my $courseidinfo = &get_course(); 1464: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 1465: if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection} 1466: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header'); 1467: if ($current_output=~/\\documentclass/) { 1468: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}\\vskip 3 mm /; 1469: } else { 1470: my $blankpages = ''; 1471: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';} 1472: $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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; 1473: } 1474: return ($current_output,$fullname); 1475: 1476: } 1477: 1478: sub handler { 1479: 1480: my $r = shift; 1481: my $helper; 1482: 1483: # my $loaderror=&Apache::lonnet::overloaderror($r); 1484: # if ($loaderror) { return $loaderror; } 1485: # $loaderror= 1486: # &Apache::lonnet::overloaderror($r, 1487: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'}); 1488: # if ($loaderror) { return $loaderror; } 1489: 1490: my $result = printHelper($r); 1491: if (!ref($result)) { 1492: return $result; 1493: } 1494: $helper = $result; 1495: 1496: # my $key; 1497: # foreach $key (keys %{$helper->{'VARS'}}) { 1498: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<- '); 1499: # } 1500: # foreach $key (keys %ENV) { 1501: # $r->print(' '.$key.'->'.$ENV{$key}.'<- '); 1502: # } 1503: # return OK; 1504: 1505: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'}); 1506: 1507: # my $key; 1508: # foreach $key (keys %parmhash) { 1509: # $r->print(' '.$key.'->'.$parmhash{$key}.'<- '); 1510: # } 1511: # return OK; 1512: 1513: &output_data($r,$helper,\%parmhash); 1514: return OK; 1515: } 1516: 1517: use Apache::lonhelper; 1518: 1519: sub addMessage { 1520: my $text = shift; 1521: my $paramHash = Apache::lonhelper::getParamHash(); 1522: $paramHash->{MESSAGE_TEXT} = $text; 1523: Apache::lonhelper::message->new(); 1524: } 1525: 1526: use Data::Dumper; 1527: 1528: sub printHelper { 1529: my $r = shift; 1530: 1531: if ($ENV{'request.course.id'}) { 1532: my $fn=$ENV{'request.course.fn'}; 1533: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640); 1534: } 1535: 1536: if ($r->header_only) { 1537: if ($ENV{'browser.mathml'}) { 1538: &Apache::loncommon::content_type($r,'text/xml'); 1539: } else { 1540: &Apache::loncommon::content_type($r,'text/html'); 1541: } 1542: $r->send_http_header; 1543: return OK; 1544: } 1545: 1546: # Send header, nocache 1547: if ($ENV{'browser.mathml'}) { 1548: &Apache::loncommon::content_type($r,'text/xml'); 1549: } else { 1550: &Apache::loncommon::content_type($r,'text/html'); 1551: } 1552: &Apache::loncommon::no_cache($r); 1553: $r->send_http_header; 1554: $r->rflush(); 1555: 1556: # Unfortunately, this helper is so complicated we have to 1557: # write it by hand 1558: 1559: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING}); 1560: 1561: my $helper = Apache::lonhelper::helper->new("Printing Helper"); 1562: $helper->declareVar('symb'); 1563: $helper->declareVar('postdata'); 1564: $helper->declareVar('curseed'); 1565: $helper->declareVar('probstatus'); 1566: $helper->declareVar('filename'); 1567: $helper->declareVar('construction'); 1568: $helper->declareVar('assignment'); 1569: $helper->declareVar('style_file'); 1570: 1571: # This will persistently load in the data we want from the 1572: # very first screen. 1573: # Detect whether we're coming from construction space 1574: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) { 1575: $helper->{VARS}->{'filename'} = "~$1/$2"; 1576: $helper->{VARS}->{'construction'} = 1; 1577: } else { 1578: if ($ENV{'form.postdata'}) { 1579: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'}); 1580: } 1581: if ($ENV{'form.symb'}) { 1582: $helper->{VARS}->{'symb'} = $ENV{'form.symb'}; 1583: } 1584: if ($ENV{'form.url'}) { 1585: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 1586: } 1587: } 1588: 1589: if ($ENV{'form.symb'}) { 1590: $helper->{VARS}->{'symb'} = $ENV{'form.symb'}; 1591: } 1592: if ($ENV{'form.url'}) { 1593: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 1594: 1595: } 1596: 1597: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu; 1598: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;} 1599: 1600: 1601: # Extract map 1602: my $symb = $helper->{VARS}->{'symb'}; 1603: my ($map, $id, $url); 1604: my $subdir; 1605: 1606: # Get the resource name from construction space 1607: if ($helper->{VARS}->{'construction'}) { 1608: $resourceTitle = substr($helper->{VARS}->{'filename'}, 1609: rindex($helper->{VARS}->{'filename'}, '/')+1); 1610: $subdir = substr($helper->{VARS}->{'filename'}, 1611: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1); 1612: } else { 1613: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb); 1614: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url); 1615: 1616: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename 1617: my $postdata = $helper->{VARS}->{'postdata'}; 1618: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1); 1619: } 1620: $subdir = &Apache::lonnet::filelocation("", $url); 1621: } 1622: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) { 1623: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'}; 1624: } 1625: if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) { 1626: $helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'}; 1627: } 1628: 1629: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser(); 1630: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or 1631: $ENV{'request.role'}=~m/^in\./ or 1632: $ENV{'request.role'}=~m/^ta\./); 1633: 1634: Apache::lonhelper::registerHelperTags(); 1635: 1636: # "Delete everything after the last slash." 1637: $subdir =~ s|/[^/]+$||; 1638: if (not $helper->{VARS}->{'construction'}) { 1639: $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir; 1640: } 1641: # "Remove all duplicate slashes." 1642: $subdir =~ s|/+|/|g; 1643: 1644: # What can be printed is a very dynamic decision based on 1645: # lots of factors. So we need to dynamically build this list. 1646: # To prevent security leaks, states are only added to the wizard 1647: # if they can be reached, which ensures manipulating the form input 1648: # won't allow anyone to reach states they shouldn't have permission 1649: # to reach. 1650: 1651: # printChoices is tracking the kind of printing the user can 1652: # do, and will be used in a choices construction later. 1653: # In the meantime we will be adding states and elements to 1654: # the helper by hand. 1655: my $printChoices = []; 1656: my $paramHash; 1657: 1658: if ($resourceTitle) { 1659: push @{$printChoices}, ["$resourceTitle (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE']; 1660: } 1661: 1662: # Useful filter strings 1663: my $isProblem = '($res->is_problem()||$res->contains_problem) '; 1664: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden; 1665: my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()'; 1666: my $isNotMap = '!$res->is_sequence()'; 1667: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden; 1668: my $isMap = '$res->is_map()'; 1669: my $symbFilter = '$res->symb()'; 1670: my $urlValue = '$res->src()'; 1671: 1672: $helper->declareVar('SEQUENCE'); 1673: 1674: # Useful for debugging: Dump the help vars 1675: #$r->print(Dumper($helper->{VARS})); 1676: #$r->print($map); 1677: 1678: # If we're in a sequence... 1679: if (($helper->{'VARS'}->{'construction'} ne '1') && 1680: $helper->{VARS}->{'postdata'} && 1681: $helper->{VARS}->{'assignment'}) { 1682: # Allow problems from sequence 1683: push @{$printChoices}, ["".&mt('Problems')." ".&mt('in')." $sequenceTitle", 'map_problems', 'CHOOSE_PROBLEMS']; 1684: # Allow all resources from sequence 1685: push @{$printChoices}, ["".&mt('Resources')." ".&mt('in')." $sequenceTitle", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML']; 1686: 1687: my $helperFragment = <<HELPERFRAGMENT; 1688: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print"> 1689: <message>(mark them then click "next" button) </message> 1690: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" 1691: closeallpages="1"> 1692: <nextstate>PAGESIZE</nextstate> 1693: <filterfunc>return $isProblem;</filterfunc> 1694: <mapurl>$map</mapurl> 1695: <valuefunc>return $symbFilter;</valuefunc> 1696: </resource> 1697: </state> 1698: 1699: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print"> 1700: <message>(mark them then click "next" button) </message> 1701: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" 1702: closeallpages="1"> 1703: <nextstate>PAGESIZE</nextstate> 1704: <filterfunc>return $isNotMap;</filterfunc> 1705: <mapurl>$map</mapurl> 1706: <valuefunc>return $symbFilter;</valuefunc> 1707: </resource> 1708: </state> 1709: HELPERFRAGMENT 1710: 1711: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 1712: } 1713: 1714: # If the user is priviledged, allow them to print all 1715: # problems in the course, optionally for selected students 1716: if ($userPriviledged && 1717: ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 1718: push @{$printChoices}, ['Problems from entire course', 'all_problems', 'ALL_PROBLEMS']; 1719: &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS); 1720: <state name="ALL_PROBLEMS" title="Select Problem(s) to print"> 1721: <message>(mark them then click "next" button) </message> 1722: <resource variable="RESOURCES" toponly='0' multichoice="1" 1723: suppressEmptySequences='0' addstatus="1" closeallpages="1"> 1724: <nextstate>PAGESIZE</nextstate> 1725: <filterfunc>return $isProblemOrMap;</filterfunc> 1726: <choicefunc>return $isNotMap;</choicefunc> 1727: <valuefunc>return $symbFilter;</valuefunc> 1728: </resource> 1729: </state> 1730: ALL_PROBLEMS 1731: 1732: if ($helper->{VARS}->{'assignment'}) { 1733: push @{$printChoices}, ["".&mt('Problems')." ".&mt('from')." $sequenceTitle ".&mt('for')." ".&mt('selected students')."", 'problems_for_students', 'CHOOSE_STUDENTS']; 1734: push @{$printChoices}, ["".&mt('Problems')." ".&mt('from')." $sequenceTitle ".&mt('for')." ".&mt('anonymous students')."", 'problems_for_anon', 'CHOOSE_ANON1']; 1735: } 1736: my $resource_selector=<<RESOURCE_SELECTOR; 1737: <message> <big>Select resources for the assignment</big> </message> 1738: <resource variable="RESOURCES" multichoice="1" addstatus="1" 1739: closeallpages="1"> 1740: <filterfunc>return $isProblem;</filterfunc> 1741: <mapurl>$map</mapurl> 1742: <valuefunc>return $symbFilter;</valuefunc> 1743: </resource> 1744: <message> <big>How should the results be printed?</big> </message> 1745: <choices variable="EMPTY_PAGES"> 1746: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 1747: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 1748: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 1749: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 1750: </choices> 1751: <message><hr width='33%' />Number of assignments printed at the same time: </message> 1752: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string> 1753: RESOURCE_SELECTOR 1754: 1755: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS); 1756: <state name="CHOOSE_STUDENTS" title="Select Students and Resources"> 1757: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" /> 1758: $resource_selector 1759: </state> 1760: CHOOSE_STUDENTS 1761: 1762: my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; 1763: my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'}; 1764: my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum); 1765: my $namechoice='<choice></choice>'; 1766: foreach my $name (@names) { 1767: if ($name =~ /^error: 2 /) { next; } 1768: $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>'; 1769: } 1770: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1); 1771: <state name="CHOOSE_ANON1" title="Select Students and Resources"> 1772: <nextstate>PAGESIZE</nextstate> 1773: <message><hr width='33%' />Number of anonymous assignments to print?</message> 1774: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string> 1775: <message> Names to store the CODEs under for later:</message> 1776: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> 1777: <message><hr width='33%' /></message> 1778: <message>Reprint a set of saved CODEs:</message> 1779: <dropdown variable="REUSE_OLD_CODES"> 1780: $namechoice 1781: </dropdown> 1782: <message><hr width='33%' /></message> 1783: $resource_selector 1784: </state> 1785: CHOOSE_ANON1 1786: 1787: 1788: if ($helper->{VARS}->{'assignment'}) { 1789: push @{$printChoices}, ["".&mt('Resources')." ".&mt('from')." $sequenceTitle ".&mt('for')." ".&mt('selected students')."", 'resources_for_students', 'CHOOSE_STUDENTS1']; 1790: push @{$printChoices}, ["".&mt('Resources')." ".&mt('from')." $sequenceTitle ".&mt('for')." ".&mt('anonymous students')."", 'resources_for_anon', 'CHOOSE_ANON2']; 1791: } 1792: 1793: 1794: $resource_selector=<<RESOURCE_SELECTOR; 1795: <message> <big>Select resources for the assignment</big> </message> 1796: <resource variable="RESOURCES" multichoice="1" addstatus="1" 1797: closeallpages="1"> 1798: <filterfunc>return $isNotMap;</filterfunc> 1799: <mapurl>$map</mapurl> 1800: <valuefunc>return $symbFilter;</valuefunc> 1801: </resource> 1802: <message> <big>How should the results be printed?</big> </message> 1803: <choices variable="EMPTY_PAGES"> 1804: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 1805: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 1806: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 1807: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 1808: </choices> 1809: <message><hr width='33%' />Number of assignments printed at the same time: </message> 1810: <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string> 1811: RESOURCE_SELECTOR 1812: 1813: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1); 1814: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources"> 1815: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" /> 1816: $resource_selector 1817: </state> 1818: CHOOSE_STUDENTS1 1819: 1820: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2); 1821: <state name="CHOOSE_ANON2" title="Select Students and Resources"> 1822: <nextstate>PAGESIZE</nextstate> 1823: <message><hr width='33%' />Number of anonymous assignments to print?</message> 1824: <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string> 1825: <message> Names to store the CODEs under for later:</message> 1826: <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> 1827: <message><hr width='33%' /></message> 1828: <message>Reprint a set of saved CODEs:</message> 1829: <dropdown variable="REUSE_OLD_CODES"> 1830: $namechoice 1831: </dropdown> 1832: <message><hr width='33%' /></message> 1833: $resource_selector 1834: </state> 1835: CHOOSE_ANON2 1836: } 1837: 1838: # FIXME: That RE should come from a library somewhere. 1839: if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $ENV{'request.role.adv'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') { 1840: push @{$printChoices}, ["".&mt('Problems')." ".&mt('from current subdirectory')." $subdir", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR']; 1841: 1842: my $f = '$filename'; 1843: my $xmlfrag = <<CHOOSE_FROM_SUBDIR; 1844: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from $subdir to print"> 1845: <message>(mark them then click "next" button) </message> 1846: <files variable="FILES" multichoice='1'> 1847: <nextstate>PAGESIZE</nextstate> 1848: <filechoice>return '$subdir';</filechoice> 1849: CHOOSE_FROM_SUBDIR 1850: 1851: # this is broken up because I really want interpolation above, 1852: # and I really DON'T want it below 1853: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR'; 1854: <filefilter>return Apache::lonhelper::files::not_old_version($filename) && 1855: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/; 1856: </filefilter> 1857: </files> 1858: </state> 1859: CHOOSE_FROM_SUBDIR 1860: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 1861: } 1862: 1863: # Allow the user to select any sequence in the course, feed it to 1864: # another resource selector for that sequence 1865: if (!$helper->{VARS}->{'construction'}) { 1866: push @$printChoices, ["Resources from selected sequence in course", 1867: 'select_sequences', 'CHOOSE_SEQUENCE']; 1868: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'}; 1869: #Escape apostrophes and backslashes for Perl 1870: $escapedSequenceName =~ s/\\/\\\\/g; 1871: $escapedSequenceName =~ s/'/\\'/g; 1872: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE); 1873: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From"> 1874: <message>Select the sequence to print resources from:</message> 1875: <resource variable="SEQUENCE"> 1876: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate> 1877: <filterfunc>return \$res->is_sequence;</filterfunc> 1878: <valuefunc>return $urlValue;</valuefunc> 1879: </resource> 1880: </state> 1881: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print"> 1882: <message>(mark desired resources then click "next" button) </message> 1883: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" 1884: closeallpages="1"> 1885: <nextstate>PAGESIZE</nextstate> 1886: <filterfunc>return $isProblem</filterfunc> 1887: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl> 1888: <valuefunc>return $symbFilter;</valuefunc> 1889: </resource> 1890: </state> 1891: CHOOSE_FROM_ANY_SEQUENCE 1892: } 1893: 1894: # Generate the first state, to select which resources get printed. 1895: Apache::lonhelper::state->new("START", "Select Printing Options:"); 1896: $paramHash = Apache::lonhelper::getParamHash(); 1897: $paramHash->{MESSAGE_TEXT} = ""; 1898: Apache::lonhelper::message->new(); 1899: $paramHash = Apache::lonhelper::getParamHash(); 1900: $paramHash->{'variable'} = 'PRINT_TYPE'; 1901: $helper->declareVar('PRINT_TYPE'); 1902: $paramHash->{CHOICES} = $printChoices; 1903: Apache::lonhelper::choices->new(); 1904: 1905: my $startedTable = 0; # have we started an HTML table yet? (need 1906: # to close it later) 1907: 1908: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or 1909: ($helper->{VARS}->{'construction'} eq '1')) { 1910: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>"); 1911: $paramHash = Apache::lonhelper::getParamHash(); 1912: $paramHash->{'variable'} = 'ANSWER_TYPE'; 1913: $helper->declareVar('ANSWER_TYPE'); 1914: $paramHash->{CHOICES} = [ 1915: ['Without Answers', 'yes'], 1916: ['With Answers', 'no'], 1917: ['Only Answers', 'only'], 1918: ['As Exam Problem', 'exam'] 1919: ]; 1920: Apache::lonhelper::dropdown->new(); 1921: addMessage("</td></tr>"); 1922: $startedTable = 1; 1923: } 1924: 1925: if ($ENV{'request.role.adv'}) { 1926: if (!$startedTable) { 1927: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>"); 1928: $startedTable = 1; 1929: } else { 1930: addMessage("<tr><td align='right'>LaTeX mode: </td><td>"); 1931: } 1932: $paramHash = Apache::lonhelper::getParamHash(); 1933: $paramHash->{'variable'} = 'LATEX_TYPE'; 1934: $helper->declareVar('LATEX_TYPE'); 1935: if ($helper->{VARS}->{'construction'} eq '1') { 1936: $paramHash->{CHOICES} = [ 1937: ['standard LaTeX mode', 'standard'], 1938: ['LaTeX batchmode', 'batchmode'], ]; 1939: } else { 1940: $paramHash->{CHOICES} = [ 1941: ['LaTeX batchmode', 'batchmode'], 1942: ['standard LaTeX mode', 'standard'] ]; 1943: } 1944: Apache::lonhelper::dropdown->new(); 1945: 1946: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>"); 1947: $paramHash = Apache::lonhelper::getParamHash(); 1948: $paramHash->{'variable'} = 'TABLE_CONTENTS'; 1949: $helper->declareVar('TABLE_CONTENTS'); 1950: $paramHash->{CHOICES} = [ 1951: ['No', 'no'], 1952: ['Yes', 'yes'] ]; 1953: Apache::lonhelper::dropdown->new(); 1954: addMessage("</td></tr>"); 1955: 1956: if (not $helper->{VARS}->{'construction'}) { 1957: addMessage("<tr><td align='right'>Print Index: </td><td>"); 1958: $paramHash = Apache::lonhelper::getParamHash(); 1959: $paramHash->{'variable'} = 'TABLE_INDEX'; 1960: $helper->declareVar('TABLE_INDEX'); 1961: $paramHash->{CHOICES} = [ 1962: ['No', 'no'], 1963: ['Yes', 'yes'] ]; 1964: Apache::lonhelper::dropdown->new(); 1965: addMessage("</td></tr>"); 1966: addMessage("<tr><td align='right'>Print Discussions: </td><td>"); 1967: $paramHash = Apache::lonhelper::getParamHash(); 1968: $paramHash->{'variable'} = 'PRINT_DISCUSSIONS'; 1969: $helper->declareVar('PRINT_DISCUSSIONS'); 1970: $paramHash->{CHOICES} = [ 1971: ['No', 'no'], 1972: ['Yes', 'yes'] ]; 1973: Apache::lonhelper::dropdown->new(); 1974: addMessage("</td></tr>"); 1975: } 1976: 1977: if ($helper->{'VARS'}->{'construction'}) { 1978: my $stylevalue=$ENV{'construct.style'}; 1979: my $xmlfrag .= <<"RNDSEED"; 1980: <message><tr><td align='right'>Use random seed: </td><td></message> 1981: <string variable="curseed" size="15" maxlength="15"> 1982: <defaultvalue> 1983: return $helper->{VARS}->{'curseed'}; 1984: </defaultvalue> 1985: </string> 1986: <message></td></tr><tr><td align="right">Use style file:</td><td></message> 1987: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" />  <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message> 1988: <message></td></tr></message> 1989: RNDSEED 1990: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 1991: $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'}; 1992: } 1993: } 1994: 1995: 1996: 1997: 1998: if ($startedTable) { 1999: addMessage("</table>"); 2000: } 2001: 2002: Apache::lonprintout::page_format_state->new("FORMAT"); 2003: 2004: # Generate the PAGESIZE state which will offer the user the margin 2005: # choices if they select one column 2006: Apache::lonhelper::state->new("PAGESIZE", "Set Margins"); 2007: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL'); 2008: 2009: 2010: $helper->process(); 2011: 2012: # MANUAL BAILOUT CONDITION: 2013: # If we're in the "final" state, bailout and return to handler 2014: if ($helper->{STATE} eq 'FINAL') { 2015: return $helper; 2016: } 2017: 2018: $r->print($helper->display()); 2019: 2020: Apache::lonhelper::unregisterHelperTags(); 2021: 2022: untie %hash; 2023: 2024: return OK; 2025: } 2026: 2027: 2028: 1; 2029: 2030: package Apache::lonprintout::page_format_state; 2031: 2032: =pod 2033: 2034: =head1 Helper element: page_format_state 2035: 2036: See lonhelper.pm documentation for discussion of the helper framework. 2037: 2038: Apache::lonprintout::page_format_state is an element that gives the 2039: user an opportunity to select the page layout they wish to print 2040: with: Number of columns, portrait/landscape, and paper size. If you 2041: want to change the paper size choices, change the @paperSize array 2042: contents in this package. 2043: 2044: page_format_state is always directly invoked in lonprintout.pm, so there 2045: is no tag interface. You actually pass parameters to the constructor. 2046: 2047: =over 4 2048: 2049: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 2050: 2051: =back 2052: 2053: =cut 2054: 2055: use Apache::lonhelper; 2056: 2057: no strict; 2058: @ISA = ("Apache::lonhelper::element"); 2059: use strict; 2060: use Apache::lonlocal; 2061: 2062: my $maxColumns = 2; 2063: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 2064: "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]", 2065: "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]", 2066: "A5 [148x210 mm]", "A6 [105x148 mm]" ); 2067: 2068: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum | 2069: # Paper type 2070: 2071: sub new { 2072: my $self = Apache::lonhelper::element->new(); 2073: 2074: shift; 2075: 2076: $self->{'variable'} = shift; 2077: my $helper = Apache::lonhelper::getHelper(); 2078: $helper->declareVar($self->{'variable'}); 2079: bless($self); 2080: return $self; 2081: } 2082: 2083: sub render { 2084: my $self = shift; 2085: my $helper = Apache::lonhelper::getHelper(); 2086: my $result = ''; 2087: my $var = $self->{'variable'}; 2088: my $PageLayout=&mt('Page layout'); 2089: my $NumberOfColumns=&mt('Number of columns'); 2090: my $PaperType=&mt('Paper type'); 2091: $result .= <<STATEHTML; 2092: 2093: <hr width="33%" /> 2094: <table cellpadding="3"> 2095: <tr> 2096: <td align="center">$PageLayout</td> 2097: <td align="center">$NumberOfColumns</td> 2098: <td align="center">$PaperType</td> 2099: </tr> 2100: <tr> 2101: <td> 2102: <input type="radio" name="${var}.layout" value="L" /> Landscape 2103: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait 2104: </td> 2105: <td align="center"> 2106: <select name="${var}.cols"> 2107: STATEHTML 2108: 2109: my $i; 2110: for ($i = 1; $i <= $maxColumns; $i++) { 2111: if ($i == 2) { 2112: $result .= "<option value='$i' selected>$i</option>\n"; 2113: } else { 2114: $result .= "<option value='$i'>$i</option>\n"; 2115: } 2116: } 2117: 2118: $result .= "</select></td><td>\n"; 2119: $result .= "<select name='${var}.paper'>\n"; 2120: 2121: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'}); 2122: my $DefaultPaperSize=$parmhash{'default_paper_size'}; 2123: if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';} 2124: $i = 0; 2125: foreach (@paperSize) { 2126: if ($paperSize[$i]=~/$DefaultPaperSize/) { 2127: $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n"; 2128: } else { 2129: $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n"; 2130: } 2131: $i++; 2132: } 2133: 2134: $result .= "</select></td></tr></table>"; 2135: return $result; 2136: } 2137: 2138: sub postprocess { 2139: my $self = shift; 2140: 2141: my $var = $self->{'variable'}; 2142: my $helper = Apache::lonhelper->getHelper(); 2143: $helper->{VARS}->{$var} = 2144: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' . 2145: $ENV{"form.$var.paper"}; 2146: return 1; 2147: } 2148: 2149: 1; 2150: 2151: package Apache::lonprintout::page_size_state; 2152: 2153: =pod 2154: 2155: =head1 Helper element: page_size_state 2156: 2157: See lonhelper.pm documentation for discussion of the helper framework. 2158: 2159: Apache::lonprintout::page_size_state is an element that gives the 2160: user the opportunity to further refine the page settings if they 2161: select a single-column page. 2162: 2163: page_size_state is always directly invoked in lonprintout.pm, so there 2164: is no tag interface. You actually pass parameters to the constructor. 2165: 2166: =over 4 2167: 2168: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 2169: 2170: =back 2171: 2172: =cut 2173: 2174: use Apache::lonhelper; 2175: 2176: no strict; 2177: @ISA = ("Apache::lonhelper::element"); 2178: use strict; 2179: 2180: 2181: 2182: sub new { 2183: my $self = Apache::lonhelper::element->new(); 2184: 2185: shift; # disturbs me (probably prevents subclassing) but works (drops 2186: # package descriptor)... - Jeremy 2187: 2188: $self->{'variable'} = shift; 2189: my $helper = Apache::lonhelper::getHelper(); 2190: $helper->declareVar($self->{'variable'}); 2191: 2192: # The variable name of the format element, so we can look into 2193: # $helper->{VARS} to figure out whether the columns are one or two 2194: $self->{'formatvar'} = shift; 2195: 2196: # The state to transition to after selection, or after discovering 2197: # the cols are not set to 1 2198: $self->{NEXTSTATE} = shift; 2199: bless($self); 2200: return $self; 2201: } 2202: 2203: sub render { 2204: my $self = shift; 2205: my $helper = Apache::lonhelper::getHelper(); 2206: my $result = ''; 2207: my $var = $self->{'variable'}; 2208: 2209: if (defined $self->{ERROR_MSG}) { 2210: $result .= ' ' . $self->{ERROR_MSG} . ' '; 2211: } 2212: 2213: $result .= <<ELEMENTHTML; 2214: 2215: How should the column be formatted? 2216: 2217: <table cellpadding='3'> 2218: <tr> 2219: <td align='right'>Width:</td> 2220: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td> 2221: <td align='left'> 2222: <select name='$var.widthunit'> 2223: <option>cm</option><option>in</option> 2224: </select> 2225: </td> 2226: </tr> 2227: <tr> 2228: <td align='right'>Height:</td> 2229: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td> 2230: <td align='left'> 2231: <select name='$var.heightunit'> 2232: <option>cm</option><option>in</option> 2233: </select> 2234: </td> 2235: </tr> 2236: <tr> 2237: <td align='right'>Left margin:</td> 2238: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td> 2239: <td align='left'> 2240: <select name='$var.lmarginunit'> 2241: <option>cm</option><option>in</option> 2242: </select> 2243: </td> 2244: </tr> 2245: </table> 2246: 2247: Hint: Some instructors like to leave scratch space for the student by 2248: making the width much smaller than the width of the page. 2249: 2250: ELEMENTHTML 2251: 2252: return $result; 2253: } 2254: 2255: # If the user didn't select 1 column, skip this state. 2256: sub preprocess { 2257: my $self = shift; 2258: my $helper = Apache::lonhelper::getHelper(); 2259: 2260: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 2261: if (substr($format, 2, 1) ne '1') { 2262: $helper->changeState($self->{NEXTSTATE}); 2263: } 2264: 2265: return 1; 2266: } 2267: 2268: sub postprocess { 2269: my $self = shift; 2270: 2271: my $var = $self->{'variable'}; 2272: my $helper = Apache::lonhelper->getHelper(); 2273: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"}; 2274: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"}; 2275: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"}; 2276: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"}; 2277: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"}; 2278: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"}; 2279: 2280: my $error = ''; 2281: 2282: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 2283: # by an optional period, followed by digits, ending the string 2284: 2285: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) { 2286: $error .= "Invalid width; please type only a number. \n"; 2287: } 2288: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) { 2289: $error .= "Invalid height; please type only a number. \n"; 2290: } 2291: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) { 2292: $error .= "Invalid left margin; please type only a number. \n"; 2293: } 2294: 2295: if (!$error) { 2296: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE}); 2297: return 1; 2298: } else { 2299: $self->{ERROR_MSG} = $error; 2300: return 0; 2301: } 2302: } 2303: 2304: 2305: 2306: __END__ 2307: