loncom/interface/lonprintout.pm - view

File: [LON-CAPA] / loncom / interface / lonprintout.pm
Revision 1.211: download - view: text, annotated - select for diffs
Wed Aug 13 18:57:28 2003 UTC (20 years, 9 months ago) by albertel
Branches: MAIN
CVS tags: HEAD

- cleanup latex_special_symbols call (unnneeded middle parameters)

1: # The LearningOnline Network 2: # Printout 3: # 4: # $Id: lonprintout.pm,v 1.211 2003/08/13 18:57:28 albertel Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: # (Internal Server Error Handler 29: # 30: # (Login Screen 31: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, 32: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer) 33: # 34: # 3/1/1 Gerd Kortemeyer) 35: # 36: # 3/1 Gerd Kortemeyer 37: # 38: # 9/17 Alex Sakharuk 39: # 40: package Apache::lonprintout; 41: 42: use strict; 43: use Apache::Constants qw(:common :http); 44: use Apache::lonxml; 45: use Apache::lonnet; 46: use Apache::loncommon; 47: use Apache::inputtags; 48: use Apache::grades; 49: use Apache::edit; 50: use Apache::File(); 51: use Apache::lonnavmaps; 52: use POSIX qw(strftime); 53: use GDBM_File; 54: 55: 56: my %hash; 57: my $LaTeXwidth = 0; 58: 59: 60: sub latex_header_footer_remove { 61: my $text = shift; 62: $text =~ s/\\end{document}//; 63: $text =~ s/\\documentclass([^&]*)\\begin{document}//; 64: return $text; 65: } 66: 67: 68: sub character_chart { 69: my $result = shift; 70: $result =~ s/&\#0?0?(7|9);//g; 71: $result =~ s/&\#0?(10|13);//g; 72: $result =~ s/&\#0?32;/ /g; 73: $result =~ s/&\#0?33;/!/g; 74: $result =~ s/&(\#0?34|quot);/\"/g; 75: $result =~ s/&\#0?35;/\\\#/g; 76: $result =~ s/&\#0?36;/\\\$/g; 77: $result =~ s/&\#0?37;/\\%/g; 78: $result =~ s/&(\#0?38|amp);/\\&/g; 79: $result =~ s/&\#(0?39|146);/\'/g; 80: $result =~ s/&\#0?40;/(/g; 81: $result =~ s/&\#0?41;/)/g; 82: $result =~ s/&\#0?42;/\*/g; 83: $result =~ s/&\#0?43;/\+/g; 84: $result =~ s/&\#(0?44|130);/,/g; 85: $result =~ s/&\#0?45;/-/g; 86: $result =~ s/&\#0?46;/\./g; 87: $result =~ s/&\#0?47;/\//g; 88: $result =~ s/&\#0?48;/0/g; 89: $result =~ s/&\#0?49;/1/g; 90: $result =~ s/&\#0?50;/2/g; 91: $result =~ s/&\#0?51;/3/g; 92: $result =~ s/&\#0?52;/4/g; 93: $result =~ s/&\#0?53;/5/g; 94: $result =~ s/&\#0?54;/6/g; 95: $result =~ s/&\#0?55;/7/g; 96: $result =~ s/&\#0?56;/8/g; 97: $result =~ s/&\#0?57;/9/g; 98: $result =~ s/&\#0?58;/:/g; 99: $result =~ s/&\#0?59;/;/g; 100: $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g; 101: $result =~ s/&\#0?61;/\$=\$/g; 102: $result =~ s/&(\#0?62|gt|\#155);/\$>\$/g; 103: $result =~ s/&\#0?63;/\?/g; 104: $result =~ s/&\#0?65;/A/g; 105: $result =~ s/&\#0?66;/B/g; 106: $result =~ s/&\#0?67;/C/g; 107: $result =~ s/&\#0?68;/D/g; 108: $result =~ s/&\#0?69;/E/g; 109: $result =~ s/&\#0?70;/F/g; 110: $result =~ s/&\#0?71;/G/g; 111: $result =~ s/&\#0?72;/H/g; 112: $result =~ s/&\#0?73;/I/g; 113: $result =~ s/&\#0?74;/J/g; 114: $result =~ s/&\#0?75;/K/g; 115: $result =~ s/&\#0?76;/L/g; 116: $result =~ s/&\#0?77;/M/g; 117: $result =~ s/&\#0?78;/N/g; 118: $result =~ s/&\#0?79;/O/g; 119: $result =~ s/&\#0?80;/P/g; 120: $result =~ s/&\#0?81;/Q/g; 121: $result =~ s/&\#0?82;/R/g; 122: $result =~ s/&\#0?83;/S/g; 123: $result =~ s/&\#0?84;/T/g; 124: $result =~ s/&\#0?85;/U/g; 125: $result =~ s/&\#0?86;/V/g; 126: $result =~ s/&\#0?87;/W/g; 127: $result =~ s/&\#0?88;/X/g; 128: $result =~ s/&\#0?89;/Y/g; 129: $result =~ s/&\#0?90;/Z/g; 130: $result =~ s/&\#0?91;/[/g; 131: $result =~ s/&\#0?92;/\$\\setminus\$/g; 132: $result =~ s/&\#0?93;/]/g; 133: $result =~ s/&\#(0?94|136);/\$\\wedge\$/g; 134: $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g; 135: $result =~ s/&\#(0?96|145);/\`/g; 136: $result =~ s/&\#0?97;/a/g; 137: $result =~ s/&\#0?98;/b/g; 138: $result =~ s/&\#0?99;/c/g; 139: $result =~ s/&\#100;/d/g; 140: $result =~ s/&\#101;/e/g; 141: $result =~ s/&\#102;/f/g; 142: $result =~ s/&\#103;/g/g; 143: $result =~ s/&\#104;/h/g; 144: $result =~ s/&\#105;/i/g; 145: $result =~ s/&\#106;/j/g; 146: $result =~ s/&\#107;/k/g; 147: $result =~ s/&\#108;/l/g; 148: $result =~ s/&\#109;/m/g; 149: $result =~ s/&\#110;/n/g; 150: $result =~ s/&\#111;/o/g; 151: $result =~ s/&\#112;/p/g; 152: $result =~ s/&\#113;/q/g; 153: $result =~ s/&\#114;/r/g; 154: $result =~ s/&\#115;/s/g; 155: $result =~ s/&\#116;/t/g; 156: $result =~ s/&\#117;/u/g; 157: $result =~ s/&\#118;/v/g; 158: $result =~ s/&\#119;/w/g; 159: $result =~ s/&\#120;/x/g; 160: $result =~ s/&\#121;/y/g; 161: $result =~ s/&\#122;/z/g; 162: $result =~ s/&\#123;/\\{/g; 163: $result =~ s/&\#124;/\|/g; 164: $result =~ s/&\#125;/\\}/g; 165: $result =~ s/&\#126;/\~/g; 166: $result =~ s/&\#131;/\\textflorin /g; 167: $result =~ s/&\#132;/\"/g; 168: $result =~ s/&\#133;/\$\\ldots\$/g; 169: $result =~ s/&\#134;/\$\\dagger\$/g; 170: $result =~ s/&\#135;/\$\\ddagger\$/g; 171: $result =~ s/&\#137;/\\textperthousand /g; 172: $result =~ s/&\#140;/{\\OE}/g; 173: $result =~ s/&\#147;/\`\`/g; 174: $result =~ s/&\#148;/\'\'/g; 175: $result =~ s/&\#149;/\$\\bullet\$/g; 176: $result =~ s/&\#150;/--/g; 177: $result =~ s/&\#151;/---/g; 178: $result =~ s/&\#152;/\$\\sim\$/g; 179: $result =~ s/&\#153;/\\texttrademark /g; 180: $result =~ s/&\#156;/\\oe/g; 181: $result =~ s/&\#159;/\\\"Y/g; 182: $result =~ s/&(\#160|nbsp);//g; 183: $result =~ s/&(\#161|iexcl);/!\`/g; 184: $result =~ s/&(\#162|cent);/\\textcent /g; 185: $result =~ s/&(\#163|pound);/\\pounds /g; 186: $result =~ s/&(\#164|curren);/\\textcurrency /g; 187: $result =~ s/&(\#165|yen);/\\textyen /g; 188: $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; 189: $result =~ s/&(\#167|sect);/\\textsection /g; 190: $result =~ s/&(\#168|uml);/\\texthighdieresis /g; 191: $result =~ s/&(\#169|copy);/\\copyright /g; 192: $result =~ s/&(\#170|ordf);/\\textordfeminine /g; 193: $result =~ s/&(\#172|not);/\$\\neg\$/g; 194: $result =~ s/&(\#173|shy);/ - /g; 195: $result =~ s/&(\#174|reg);/\\textregistered /g; 196: $result =~ s/&(\#175|macr);/\$^{-}\$/g; 197: $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g; 198: $result =~ s/&(\#177|plusmn);/\$\\pm\$/g; 199: $result =~ s/&(\#178|sup2);/\$^2\$/g; 200: $result =~ s/&(\#179|sup3);/\$^3\$/g; 201: $result =~ s/&(\#180|acute);/\\textacute /g; 202: $result =~ s/&(\#181|micro);/\$\\mu\$/g; 203: $result =~ s/&(\#182|para);/\\P/g; 204: $result =~ s/&(\#183|middot);/\$\\cdot\$/g; 205: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; 206: $result =~ s/&(\#185|sup1);/\$^1\$/g; 207: $result =~ s/&(\#186|ordm);/\\textordmasculine /g; 208: $result =~ s/&(\#188|frac14);/\\textonequarter /g; 209: $result =~ s/&(\#189|frac12);/\\textonehalf /g; 210: $result =~ s/&(\#190|frac34);/\\textthreequarters /g; 211: $result =~ s/&(\#191|iquest);/?\`/g; 212: $result =~ s/&(\#192|Agrave);/\\\`{A}/g; 213: $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 214: $result =~ s/&(\#194|Acirc);/\\^{A}/g; 215: $result =~ s/&(\#195|Atilde);/\\~{A}/g; 216: $result =~ s/&(\#196|Auml);/\\\"{A}/g; 217: $result =~ s/&(\#197|Aring);/{\\AA}/g; 218: $result =~ s/&(\#198|AElig);/{\\AE}/g; 219: $result =~ s/&(\#199|Ccedil);/\\c{c}/g; 220: $result =~ s/&(\#200|Egrave);/\\\`{E}/g; 221: $result =~ s/&(\#201|Eacute);/\\\'{E}/g; 222: $result =~ s/&(\#202|Ecirc);/\\^{E}/g; 223: $result =~ s/&(\#203|Euml);/\\\"{E}/g; 224: $result =~ s/&(\#204|Igrave);/\\\`{I}/g; 225: $result =~ s/&(\#205|Iacute);/\\\'{I}/g; 226: $result =~ s/&(\#206|Icirc);/\\^{I}/g; 227: $result =~ s/&(\#207|Iuml);/\\\"{I}/g; 228: $result =~ s/&(\#209|Ntilde);/\\~{N}/g; 229: $result =~ s/&(\#210|Ograve);/\\\`{O}/g; 230: $result =~ s/&(\#211|Oacute);/\\\'{O}/g; 231: $result =~ s/&(\#212|Ocirc);/\\^{O}/g; 232: $result =~ s/&(\#213|Otilde);/\\~{O}/g; 233: $result =~ s/&(\#214|Ouml);/\\\"{O}/g; 234: $result =~ s/&(\#215|times);/\$\\times\$/g; 235: $result =~ s/&(\#216|Oslash);/{\\O}/g; 236: $result =~ s/&(\#217|Ugrave);/\\\`{U}/g; 237: $result =~ s/&(\#218|Uacute);/\\\'{U}/g; 238: $result =~ s/&(\#219|Ucirc);/\\^{U}/g; 239: $result =~ s/&(\#220|Uuml);/\\\"{U}/g; 240: $result =~ s/&(\#221|Yacute);/\\\'{Y}/g; 241: $result =~ s/&(\#223|szlig);/\\ss/g; 242: $result =~ s/&(\#224|agrave);/\\\`{a}/g; 243: $result =~ s/&(\#225|aacute);/\\\'{a}/g; 244: $result =~ s/&(\#226|acirc);/\\^{a}/g; 245: $result =~ s/&(\#227|atilde);/\\~{a}/g; 246: $result =~ s/&(\#228|auml);/\\\"{a}/g; 247: $result =~ s/&(\#229|aring);/{\\aa}/g; 248: $result =~ s/&(\#230|aelig);/{\\ae}/g; 249: $result =~ s/&(\#231|ccedil);/\\c{c}/g; 250: $result =~ s/&(\#232|egrave);/\\\`{e}/g; 251: $result =~ s/&(\#233|eacute);/\\\'{e}/g; 252: $result =~ s/&(\#234|ecirc);/\\^{e}/g; 253: $result =~ s/&(\#235|euml);/\\\"{e}/g; 254: $result =~ s/&(\#236|igrave);/\\\`{i}/g; 255: $result =~ s/&(\#237|iacute);/\\\'{i}/g; 256: $result =~ s/&(\#238|icirc);/\\^{i}/g; 257: $result =~ s/&(\#239|iuml);/\\\"{i}/g; 258: $result =~ s/&(\#240|eth);/\$\\partial\$/g; 259: $result =~ s/&(\#241|ntilde);/\\~{n}/g; 260: $result =~ s/&(\#242|ograve);/\\\`{o}/g; 261: $result =~ s/&(\#243|oacute);/\\\'{o}/g; 262: $result =~ s/&(\#244|ocirc);/\\^{o}/g; 263: $result =~ s/&(\#245|otilde);/\\~{o}/g; 264: $result =~ s/&(\#246|ouml);/\\\"{o}/g; 265: $result =~ s/&(\#247|divide);/\$\\div\$/g; 266: $result =~ s/&(\#248|oslash);/{\\o}/g; 267: $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 268: $result =~ s/&(\#250|uacute);/\\\'{u}/g; 269: $result =~ s/&(\#251|ucirc);/\\^{u}/g; 270: $result =~ s/&(\#252|uuml);/\\\"{u}/g; 271: $result =~ s/&(\#253|yacute);/\\\'{y}/g; 272: $result =~ s/&(\#255|yuml);/\\\"{y}/g; 273: $result =~ s/&\#952;/\$\\theta\$/g; 274: #Greek Alphabet 275: $result =~ s/&(alpha|\#945);/\$\\alpha \$/g; 276: $result =~ s/&(beta|\#946);/\$\\beta \$/g; 277: $result =~ s/&(gamma|\#947);/\$\\gamma \$/g; 278: $result =~ s/&(delta|\#948);/\$\\delta \$/g; 279: $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g; 280: $result =~ s/&(zeta|\#950);/\$\\zeta \$/g; 281: $result =~ s/&(eta|\#951);/\$\\eta \$/g; 282: $result =~ s/&(theta|\#952);/\$\\theta \$/g; 283: $result =~ s/&(iota|\#953);/\$\\iota \$/g; 284: $result =~ s/&(kappa|\#954);/\$\\kappa \$/g; 285: $result =~ s/&(lambda|\#955);/\$\\lambda \$/g; 286: $result =~ s/&(mu|\#956);/\$\\mu \$/g; 287: $result =~ s/&(nu|\#957);/\$\\nu \$/g; 288: $result =~ s/&(xi|\#958);/\$\\xi \$/g; 289: $result =~ s/&(omicron|\#959);/o/g; 290: $result =~ s/&(pi|\#960);/\$\\pi \$/g; 291: $result =~ s/&(rho|\#961);/\$\\rho \$/g; 292: $result =~ s/&(sigma|\#963);/\$\\sigma \$/g; 293: $result =~ s/&(tau|\#964);/\$\\tau \$/g; 294: $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g; 295: $result =~ s/&(phi|\#966);/\$\\phi \$/g; 296: $result =~ s/&(chi|\#967);/\$\\chi \$/g; 297: $result =~ s/&(psi|\#968);/\$\\psi \$/g; 298: $result =~ s/&(omega|\#969);/\$\\omega \$/g; 299: $result =~ s/&(thetasym|\#977);/\$\\vartheta \$/g; 300: $result =~ s/&(piv|\#982);/\$\\varpi \$/g; 301: $result =~ s/&(Alpha|\#913);/A/g; 302: $result =~ s/&(Beta|\#914);/B/g; 303: $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g; 304: $result =~ s/&(Delta|\#916);/\$\\Delta \$/g; 305: $result =~ s/&(Epsilon|\#917);/E/g; 306: $result =~ s/&(Zeta|\#918);/Z/g; 307: $result =~ s/&(Eta|\#919);/H/g; 308: $result =~ s/&(Theta|\#920);/\$\\Theta \$/g; 309: $result =~ s/&(Iota|\#921);/I/g; 310: $result =~ s/&(Kappa|\#922);/K/g; 311: $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g; 312: $result =~ s/&(Mu|\#924);/M/g; 313: $result =~ s/&(Nu|\#925);/N/g; 314: $result =~ s/&(Xi|\#926);/\$\\Xi \$/g; 315: $result =~ s/&(Omicron|\#927);/O/g; 316: $result =~ s/&(Pi|\#928);/\$\\Pi \$/g; 317: $result =~ s/&(Rho|\#929);/P/g; 318: $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g; 319: $result =~ s/&(Tau|\#932);/T/g; 320: $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g; 321: $result =~ s/&(Phi|\#934);/\$\\Phi \$/g; 322: $result =~ s/&(Chi|\#935);/X/g; 323: $result =~ s/&(Psi|\#936);/\$\\Psi \$/g; 324: $result =~ s/&(Omega|\#937);/\$\\Omega \$/g; 325: #Arrows (extended HTML 4.01) 326: $result =~ s/&(larr|\#8592);/\$\\leftarrow \$/g; 327: $result =~ s/&(uarr|\#8593);/\$\\uparrow \$/g; 328: $result =~ s/&(rarr|\#8594);/\$\\rightarrow \$/g; 329: $result =~ s/&(darr|\#8595);/\$\\downarrow \$/g; 330: $result =~ s/&(harr|\#8596);/\$\\leftrightarrow \$/g; 331: $result =~ s/&(lArr|\#8656);/\$\\Leftarrow \$/g; 332: $result =~ s/&(uArr|\#8657);/\$\\Uparrow \$/g; 333: $result =~ s/&(rArr|\#8658);/\$\\Rightarrow \$/g; 334: $result =~ s/&(dArr|\#8659);/\$\\Downarrow \$/g; 335: $result =~ s/&(hArr|\#8660);/\$\\Leftrightarrow \$/g; 336: #Mathematical Operators (extended HTML 4.01) 337: $result =~ s/&(forall|\#8704);/\$\\forall \$/g; 338: $result =~ s/&(part|\#8706);/\$\\partial \$/g; 339: $result =~ s/&(exist|\#8707);/\$\\exists \$/g; 340: $result =~ s/&(empty|\#8709);/\$\\emptyset \$/g; 341: $result =~ s/&(nabla|\#8711);/\$\\nabla \$/g; 342: $result =~ s/&(isin|\#8712);/\$\\in \$/g; 343: $result =~ s/&(notin|\#8713);/\$\\notin \$/g; 344: $result =~ s/&(ni|\#8715);/\$\\ni \$/g; 345: $result =~ s/&(prod|\#8719);/\$\\prod \$/g; 346: $result =~ s/&(sum|\#8721);/\$\\sum \$/g; 347: $result =~ s/&(minus|\#8722);/\$-\$/g; 348: $result =~ s/&(lowast|\#8727);/\$*\$/g; 349: $result =~ s/&(radic|\#8730);/\$\\surd \$/g; 350: $result =~ s/&(prop|\#8733);/\$\\propto \$/g; 351: $result =~ s/&(infin|\#8734);/\$\\infty \$/g; 352: $result =~ s/&(ang|\#8736);/\$\\angle \$/g; 353: $result =~ s/&(and|\#8743);/\$\\wedge \$/g; 354: $result =~ s/&(or|\#8744);/\$\\vee \$/g; 355: $result =~ s/&(cap|\#8745);/\$\\cap \$/g; 356: $result =~ s/&(cup|\#8746);/\$\\cup \$/g; 357: $result =~ s/&(int|\#8747);/\$\\int \$/g; 358: $result =~ s/&(sim|\#8764);/\$\\sim \$/g; 359: $result =~ s/&(cong|\#8773);/\$\\cong \$/g; 360: $result =~ s/&(asymp|\#8776);/\$\\approx \$/g; 361: $result =~ s/&(ne|\#8800);/\$\\not= \$/g; 362: $result =~ s/&(equiv|\#8801);/\$\\equiv \$/g; 363: $result =~ s/&(le|\#8804);/\$\\leq \$/g; 364: $result =~ s/&(ge|\#8805);/\$\\geq \$/g; 365: $result =~ s/&(sub|\#8834);/\$\\subset \$/g; 366: $result =~ s/&(sup|\#8835);/\$\\supset \$/g; 367: $result =~ s/&(nsub|\#8836);/\$\\not\\subset \$/g; 368: $result =~ s/&(sube|\#8838);/\$\\subseteq \$/g; 369: $result =~ s/&(supe|\#8839);/\$\\supseteq \$/g; 370: $result =~ s/&(oplus|\#8853);/\$\\oplus \$/g; 371: $result =~ s/&(otimes|\#8855);/\$\\otimes \$/g; 372: $result =~ s/&(perp|\#8869);/\$\\perp \$/g; 373: $result =~ s/&(sdot|\#8901);/\$\\cdot \$/g; 374: #Geometric Shapes (extended HTML 4.01) 375: $result =~ s/&(loz|\#9674);/\$\\Diamond \$/g; 376: #Miscellaneous Symbols (extended HTML 4.01) 377: $result =~ s/&(spades|\#9824);/\$\\spadesuit \$/g; 378: $result =~ s/&(clubs|\#9827);/\$\\clubsuit \$/g; 379: $result =~ s/&(hearts|\#9829);/\$\\heartsuit \$/g; 380: $result =~ s/&(diams|\#9830);/\$\\diamondsuit \$/g; 381: return $result; 382: } 383: 384: 385: sub page_format { 386: # 387: #Correspondence between $papersize variable and real paper format: 388: # 0 - "Letter [8 1/2x11 in]" 389: # 1 - "Legal [8 1/2x14 in]" 390: # 2 - "Ledger/Tabloid [11x17 in]" 391: # 3 - "Executive [7 1/2x10 in]" 392: # 4 - "A2 [420x594 mm]" 393: # 5 - "A3 [297x420 mm]" 394: # 6 - "A4 [210x297 mm]" 395: # 7 - "A5 [148x210 mm]" 396: # 8 - "A6 [105x148 mm]" 397: # 398: my ($papersize,$layout,$numberofcolumns) = @_; 399: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = (0,0,0,0,0); 400: if ($papersize eq '0') { 401: if ($layout eq 'book') { 402: if ($numberofcolumns == 1) { 403: $textwidth = '7.1 in'; #'18 cm'; 404: $textheight = '10.2 in'; #'25.9 cm'; 405: $oddoffset = '-0.57 in'; 406: $evenoffset = '-0.57 in'; 407: } elsif ($numberofcolumns == 2) { 408: $textwidth = '3.66 in'; #'93 mm'; 409: $textheight = '10.2 in'; #'25.9 cm'; 410: $oddoffset = '-0.57 in'; 411: $evenoffset = '-0.57 in'; 412: } 413: } elsif ($layout eq 'album') { 414: if ($numberofcolumns eq '1') { 415: $textwidth = '8.8 in'; 416: $textheight = '6.8 in'; 417: $oddoffset = '-40 pt'; 418: $evenoffset = '-60 pt'; 419: } elsif ($numberofcolumns == 2) { 420: $textwidth = '4.4 in'; 421: $textheight = '6.8 in'; 422: $oddoffset = '-0.5 in'; 423: $evenoffset = '-1.5 in'; 424: $topmargin = '3.5 in'; 425: } 426: } 427: # } elsif($papersize eq '1') { 428: # } elsif($papersize eq '2') { 429: # } elsif($papersize eq '3'/) { 430: } elsif($papersize eq '6') { 431: if ($layout eq 'book') { 432: if ($numberofcolumns == 1) { 433: $textwidth = '18 cm'; 434: $textheight = '28 cm'; 435: $oddoffset = '-0.57 in'; 436: $evenoffset = '-0.57 in'; 437: } elsif ($numberofcolumns == 2) { 438: $textwidth = '96 mm'; 439: $textheight = '2 cm'; 440: $oddoffset = '-0.57 in'; 441: $evenoffset = '-0.57 in'; 442: } 443: } elsif ($layout eq 'album') { 444: if ($numberofcolumns eq '1') { 445: $textwidth = '8.5 in'; 446: $textheight = '7.7 in'; 447: $oddoffset = '-40 pt'; 448: $evenoffset = '-60 pt'; 449: } elsif ($numberofcolumns == 2) { 450: $textwidth = '3.9 in'; 451: $textheight = '7.7 in'; 452: $oddoffset = '-40 pt'; 453: $evenoffset = '-60 pt'; 454: } 455: } 456: # } elsif($papersize eq '5') { 457: # } elsif($papersize eq '4') { 458: # } elsif($papersize eq '7') { 459: # } elsif($papersize eq '8') { 460: } 461: return $textwidth,$textheight,$oddoffset,$evenoffset,$topmargin; 462: } 463: 464: 465: sub get_name { 466: my ($uname,$udom)=@_; 467: if (!defined($uname)) { $uname=$ENV{'user.name'}; } 468: if (!defined($udom)) { $uname=$ENV{'user.domain'}; } 469: my $plainname=&Apache::loncommon::plainname($uname,$udom); 470: if ($plainname=~/^\s*$/) { $plainname=$uname; } 471: return &Apache::lonxml::latex_special_symbols($plainname,'header'); 472: } 473: 474: 475: sub page_format_transformation { 476: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents) = @_; 477: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin); 478: $assignment=~s/_/ /g; 479: if ($numberofcolumns != 1) { 480: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin); 481: } else { 482: ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'}); 483: } 484: my $name = &get_name(); 485: if ($name =~ /^\s*$/) { 486: $name=&Apache::lonxml::latex_special_symbols($ENV{'user.name'},'header'); 487: } 488: my $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header'); 489: if ($layout eq 'album') { 490: my $topmargintoinsert = ''; 491: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';} 492: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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} /; 493: } elsif ($layout eq 'book') { 494: if ($choice ne 'All class print') { 495: $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/; 496: } else { 497: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /; 498: } 499: } 500: if ($tableofcontents eq 'yes') {$text=~s/(\\begin{document})/$1 \\tableofcontents \\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/1\]\[b\]{\\hrulefill}/;} 501: return $text; 502: } 503: 504: 505: sub page_cleanup { 506: my $result = shift; 507: 508: $result =~ m/\\end{document}(\d*)$/; 509: my $number_of_columns = $1; 510: my $insert = '{'; 511: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; } 512: $insert .= '}'; 513: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; 514: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g; 515: return $result,$number_of_columns; 516: } 517: 518: 519: sub details_for_menu { 520: 521: my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}}; 522: my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'}); 523: my ($map,$id,$resource)=split(/___/,$symbolic); 524: $map=&Apache::lonnet::clutter($map); 525: my $name_of_sequence; 526: $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}}; 527: if ($name_of_sequence =~ /^\s*$/) { 528: $map =~ m|([^/]+)$|; 529: $name_of_sequence = $1; 530: } 531: my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}}; 532: if ($name_of_map =~ /^\s*$/) { 533: $ENV{'request.course.uri'} =~ m|([^/]+)$|; 534: $name_of_map = $1; 535: } 536: return ($name_of_resourse,$name_of_sequence,$name_of_map); 537: 538: } 539: 540: 541: sub latex_corrections { 542: 543: my ($number_of_columns,$result) = @_; 544: 545: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; 546: $result =~ s/\$number_of_columns/$number_of_columns/g; 547: $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/; 548: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; 549: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g; 550: #-- LaTeX corrections 551: my $first_comment = index($result,'',$first_comment); 554: substr($result,$first_comment,$end_comment-$first_comment+3) = ''; 555: $first_comment = index($result,'<!--',$first_comment); 556: } 557: $result =~ s/^\s+$//gm; #remove empty lines 558: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space 559: $result =~ s/\\\\\s*\\vskip/\\vskip/gm; 560: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g; 561: $result =~ s/{\\par }\s*\\\\/\\\\/gm; 562: $result =~ s/\\\\\s+\[/ \[/g; 563: $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g; 564: #conversion of html characters to LaTeX equivalents 565: if ($result =~ m/&(\w+|#\d+);/) { 566: $result = &character_chart($result); 567: } 568: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g; 569: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g; 570: 571: return $result; 572: } 573: 574: 575: sub output_data { 576: my ($r,$helper,$rparmhash) = @_; 577: my %parmhash = %$rparmhash; 578: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout'); 579: $r->print(<<ENDPART); 580: <html> 581: <head> 582: <title>LON-CAPA output for printing</title> 583: </head> 584: $bodytag 585: Please stand by while processing your print request, this may take some time ... 586: ENDPART 587: 588: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 589: my ($result,$selectionmade) = ('',''); 590: my $number_of_columns = 1; #used only for pages to determine the width of the cell 591: my @temporary_array=split /\|/,$format_from_helper; 592: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array; 593: if ($laystyle eq 'L') { 594: $laystyle='album'; 595: } else { 596: $laystyle='book'; 597: } 598: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns); 599: my $assignment = $ENV{'form.assignment'}; 600: my $LaTeXwidth; 601: if ($textwidth=~/(\d+\.?\d*)\s*cm/) { 602: $LaTeXwidth = $1*10; 603: } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) { 604: $LaTeXwidth = $1; 605: } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) { 606: $LaTeXwidth = $1*25.4; 607: } 608: $LaTeXwidth.=' mm'; 609: 610: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') { 611: #-- single document - problem, page, html, xml, ... 612: my $currentURL; 613: if ($helper->{'VARS'}->{'construction'} ne '1') { 614: #prints published resource 615: $currentURL=$helper->{'VARS'}->{'postdata'}; 616: } else { 617: #prints resource from the construction space 618: $currentURL=$helper->{'VARS'}->{'filename'}; 619: $currentURL=~s/\/home\//\/~/; 620: $currentURL=~s/public_html\///; 621: if ($currentURL=~/([^?]+)/) {$currentURL=$1;} 622: } 623: $selectionmade = 1; 624: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 625: my %moreenv; 626: $moreenv{'request.filename'}=$currentURL; 627: my %form; 628: $form{'grade_target'}='tex'; 629: $form{'textwidth'}=$LaTeXwidth; 630: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 631: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 632: my $rndseed=time; 633: $form{'rndseed'}=$rndseed; 634: &Apache::lonnet::appenv(%moreenv); 635: &Apache::lonnet::delenv('form.counter'); 636: &Apache::lonxml::init_counter(); 637: my $texversion=&Apache::lonnet::ssi($currentURL,%form); 638: &Apache::lonnet::delenv('form.counter'); 639: &Apache::lonnet::delenv('request.filename'); 640: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 641: my %form; 642: $form{'grade_target'}='answer'; 643: $form{'answer_output_mode'}='tex'; 644: $form{'rndseed'}=$rndseed; 645: my $answer=&Apache::lonnet::ssi($currentURL,%form); 646: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 647: } 648: $result .= $texversion; 649: if ($currentURL=~m/\.page\s*$/) { 650: ($result,$number_of_columns) = &page_cleanup($result); 651: } 652: } else { 653: $result='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: '; 654: if ($currentURL=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { 655: $result.=$1; 656: } elsif ($currentURL=~/\/ext\//) { 657: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' '; 658: } else { 659: $result.=$currentURL; 660: } 661: $result.=' \end{document}' 662: } 663: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or 664: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or 665: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')) { 666: #-- produce an output string 667: my %form=(); 668: $form{'grade_target'}='tex'; 669: $form{'textwidth'}=$LaTeXwidth; 670: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 671: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 672: my $flag_latex_header_remove = 'NO'; 673: my $flag_page_in_sequence = 'NO'; 674: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 675: my $prevassignment=''; 676: &Apache::lonnet::delenv('form.counter'); 677: &Apache::lonxml::init_counter(); 678: for (my $i=0;$i<=$#master_seq;$i++) { 679: $master_seq[$i]=~/___\d+___(.*)$/; 680: my $urlp='/res/'.$1; 681: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') { 682: $selectionmade = 2; 683: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') { 684: $selectionmade = 3; 685: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') { 686: $selectionmade = 4; 687: } 688: $form{'symb'}=$master_seq[$i]; 689: $master_seq[$i]=~/(.*)___\d*___/; 690: my $assignment=&Apache::lonnet::gettitle($1); #tittle of the assignment which contains this problem 691: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]"); 692: my $texversion=&Apache::lonnet::ssi($urlp,%form); 693: if ($urlp=~/\.page$/) { 694: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion); 695: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 696: $texversion =~ s/\\end{document}\d*/\\end{document}/; 697: $flag_page_in_sequence = 'YES'; 698: } 699: if ($flag_latex_header_remove ne 'NO') { 700: $texversion = &latex_header_footer_remove($texversion); 701: } else { 702: $texversion =~ s/\\end{document}//; 703: } 704: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 705: my %form; 706: $form{'grade_target'}='answer'; 707: $form{'answer_output_mode'}='tex'; 708: my $answer=&Apache::lonnet::ssi($urlp,%form); 709: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 710: } 711: # $result .= $texversion; 712: if (($selectionmade == 4) and ($assignment ne $prevassignment) and ($i>=1)) { 713: my $name = &get_name(); 714: if ($name =~ /^\s*$/) { 715: $name=&Apache::lonxml::latex_special_symbols($ENV{'user.name'},'header'); 716: } 717: my $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header'); 718: $prevassignment=$assignment; 719: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}} - '.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm '; 720: } 721: $result .= $texversion; 722: $flag_latex_header_remove = 'YES'; 723: } 724: &Apache::lonnet::delenv('form.counter'); 725: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;} 726: $result .= '\end{document}'; 727: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') { 728: #-- prints assignments for whole class or for selected students 729: $selectionmade=5; 730: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'}; 731: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 732: #loop over students 733: my $flag_latex_header_remove = 'NO'; 734: my %moreenv; 735: $moreenv{'form.textwidth'}=$LaTeXwidth; 736: &Apache::lonnet::appenv(%moreenv); 737: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1); 738: foreach my $person (@students) { 739: my $current_output = ''; 740: # my ($usersection,$username,$userdomain) = split /:/,$person; 741: my ($username,$userdomain) = split /:/,$person; 742: my $fullname = &get_name($username,$userdomain); 743: 744: if ($parmhash{'anonymous_quiz'}=~/yes/) {$fullname=' ';} #put here something reasonable for anonymous exams or quiz 745: #goes through all resources, checks if they are available for current student, and produces output 746: &Apache::lonnet::delenv('form.counter'); 747: &Apache::lonxml::init_counter(); 748: foreach my $curresline (@master_seq) { 749: if ($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) { 750: my ($map,$id,$res_url) = split(/___/,$curresline); 751: if (&Apache::lonnet::allowed('bre',$res_url)) { 752: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain, 753: $ENV{'request.course.id'},'tex'); 754: if ($flag_latex_header_remove eq 'YES') { 755: $rendered = &latex_header_footer_remove($rendered); 756: } else { 757: $rendered =~ s/\\end{document}//; 758: } 759: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 760: my %form; 761: $form{'answer_output_mode'}='tex'; 762: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 763: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form); 764: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/; 765: } 766: $current_output .= $rendered; 767: } 768: $flag_latex_header_remove = 'YES'; 769: } 770: } 771: my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; 772: if ($current_output=~/\\documentclass/) { 773: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$helper->{VARS}->{'assignment'}}}\\vskip 3 mm /; 774: } else { 775: my $blanspages = ''; 776: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';} 777: $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}} - '.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$helper->{VARS}->{'assignment'}.'}}} \vskip -5 mm '.$current_output; 778: } 779: $result .= $current_output; 780: &Apache::lonnet::delenv('form.counter'); 781: &Apache::lonxml::init_counter(); 782: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, 783: 'last student '.$fullname); 784: } 785: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); 786: $result .= '\end{document}'; 787: &Apache::lonnet::delenv('form.textwidth'); 788: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') { 789: #prints selected problems from the subdirectory 790: $selectionmade = 6; 791: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'}; 792: @list_of_files=sort @list_of_files; 793: my $flag_latex_header_remove = 'NO'; 794: my $rndseed=time; 795: for (my $i=0;$i<=$#list_of_files;$i++) { 796: my $urlp = $list_of_files[$i]; 797: if ($urlp=~/\//) { 798: my %form; 799: $form{'grade_target'}='tex'; 800: $form{'textwidth'}=$LaTeXwidth; 801: $form{'rndseed'}=$rndseed; 802: if ($urlp =~ m|/home/([^/]+)/public_html|) { 803: $urlp =~ s|/home/([^/]*)/public_html|/~$1|; 804: } else { 805: $urlp =~ s|^/home/httpd/html||; 806: } 807: my $texversion=&Apache::lonnet::ssi($urlp,%form); 808: if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 809: my %form; 810: $form{'grade_target'}='answer'; 811: $form{'answer_output_mode'}='tex'; 812: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 813: $form{'rndseed'}=$rndseed; 814: my $answer=&Apache::lonnet::ssi($urlp,%form); 815: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 816: } 817: #this chunck is responsible for printing the path to problem 818: my $newurlp = ''; 819: my $HowMany = length($urlp)*2; 820: if ($HowMany > $LaTeXwidth) { 821: my @temporrary = split '/',$urlp; 822: my $HowManyNew = 0; 823: for (my $ii=0;$ii<=$#temporrary;$ii++) { 824: if ($temporrary[$ii] ne '') { 825: $HowManyNew += length($temporrary[$ii])*2; 826: if ($HowManyNew < $LaTeXwidth ) { 827: $newurlp .= '/'.$temporrary[$ii]; 828: } else { 829: $HowManyNew = 0; 830: $newurlp .= '|\vskip -1 mm \noindent \verb|'; 831: $ii--; 832: } 833: } 834: } 835: } 836: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 {\\small\\noindent\\verb|$newurlp\|\\vskip 0 mm}/; 837: if ($flag_latex_header_remove ne 'NO') { 838: $texversion = &latex_header_footer_remove($texversion); 839: } else { 840: $texversion =~ s/\\end{document}//; 841: } 842: $result .= $texversion; 843: } 844: $flag_latex_header_remove = 'YES'; 845: } 846: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;} 847: $result .= '\end{document}'; 848: } 849: #-------------------------------------------------------- corrections for the different page formats 850: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'}); 851: $result = &latex_corrections($number_of_columns,$result); 852: #changes page's parameters for the one column output 853: if ($numberofcolumns == 1) { 854: $result =~ s/\\textwidth= 9cm/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /; 855: $result =~ s/\\textheight 25\.9cm/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /; 856: $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 857: $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 858: } 859: if ($helper->{'VARS'}->{'TABLE_CONTENTS'} eq 'yes') {$selectionmade+=10;} 860: #-- writing .tex file in prtspool 861: my $temp_file; 862: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex"; 863: unless ($temp_file = Apache::File->new('>'.$filename)) { 864: $r->log_error("Couldn't open $filename for output $!"); 865: return SERVER_ERROR; 866: } 867: print $temp_file $result; 868: 869: $r->print(<<FINALEND); 870: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade"> 871: </body> 872: </html> 873: FINALEND 874: } 875: 876: 877: 878: sub handler { 879: 880: my $r = shift; 881: my $helper; 882: 883: # my $loaderror=&Apache::lonnet::overloaderror($r); 884: # if ($loaderror) { return $loaderror; } 885: # $loaderror= 886: # &Apache::lonnet::overloaderror($r, 887: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'}); 888: # if ($loaderror) { return $loaderror; } 889: 890: my $result = printHelper($r); 891: if (!ref($result)) { 892: return $result; 893: } 894: $helper = $result; 895: 896: # my $key; 897: # foreach $key (keys %{$helper->{'VARS'}}) { 898: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />'); 899: # } 900: # return OK; 901: 902: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'}); 903: 904: # my $key; 905: # foreach $key (keys %parmhash) { 906: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />'); 907: # } 908: # return OK; 909: 910: &output_data($r,$helper,\%parmhash); 911: return OK; 912: } 913: 914: use Apache::lonhelper; 915: 916: sub printHelper { 917: my $r = shift; 918: 919: if ($ENV{'request.course.id'}) { 920: my $fn=$ENV{'request.course.fn'}; 921: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640); 922: } 923: 924: if ($r->header_only) { 925: if ($ENV{'browser.mathml'}) { 926: $r->content_type('text/xml'); 927: } else { 928: $r->content_type('text/html'); 929: } 930: $r->send_http_header; 931: return OK; 932: } 933: 934: # Send header, nocache 935: if ($ENV{'browser.mathml'}) { 936: $r->content_type('text/xml'); 937: } else { 938: $r->content_type('text/html'); 939: } 940: &Apache::loncommon::no_cache($r); 941: $r->send_http_header; 942: $r->rflush(); 943: 944: # Unfortunately, this helper is so complicated we have to 945: # write it by hand 946: 947: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING}); 948: 949: my $helper = Apache::lonhelper::helper->new("Printing Helper"); 950: $helper->declareVar('symb'); 951: $helper->declareVar('postdata'); 952: $helper->declareVar('filename'); 953: $helper->declareVar('construction'); 954: $helper->declareVar('assignment'); 955: 956: # This will persistently load in the data we want from the 957: # very first screen. 958: # Detect whether we're coming from construction space 959: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) { 960: $helper->{VARS}->{'filename'} = "/home/$1/public_html/$2"; 961: $helper->{VARS}->{'construction'} = 1; 962: } else { 963: if ($ENV{'form.postdata'}) { 964: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'}); 965: } 966: if ($ENV{'form.symb'}) { 967: $helper->{VARS}->{'symb'} = $ENV{'form.symb'}; 968: } 969: if ($ENV{'form.url'}) { 970: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 971: } 972: } 973: 974: if ($ENV{'form.symb'}) { 975: $helper->{VARS}->{'symb'} = $ENV{'form.symb'}; 976: } 977: if ($ENV{'form.url'}) { 978: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 979: 980: } 981: 982: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu; 983: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;} 984: 985: 986: # Extract map 987: my $symb = $helper->{VARS}->{'symb'}; 988: my ($map, $id, $url); 989: my $subdir; 990: 991: # Get the resource name from construction space 992: if ($helper->{VARS}->{'construction'}) { 993: $resourceTitle = substr($helper->{VARS}->{'filename'}, 994: rindex($helper->{VARS}->{'filename'}, '/')+1); 995: $subdir = substr($helper->{VARS}->{'filename'}, 996: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1); 997: } else { 998: ($map, $id, $url) = split(/___/, $symb); 999: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url); 1000: 1001: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename 1002: my $url = $helper->{VARS}->{'postdata'}; 1003: $resourceTitle = substr($url, rindex($url, '/') + 1); 1004: } 1005: $subdir = &Apache::lonnet::filelocation("", $url); 1006: } 1007: 1008: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser(); 1009: 1010: Apache::lonhelper::registerHelperTags(); 1011: 1012: # "Delete everything after the last slash." 1013: $subdir =~ s|/[^/]+$||; 1014: if (not $helper->{VARS}->{'construction'}) { 1015: $subdir='/home/httpd/html/res/'.$subdir; 1016: } 1017: # "Remove all duplicate slashes." 1018: $subdir =~ s|/+|/|g; 1019: 1020: # What can be printed is a very dynamic decision based on 1021: # lots of factors. So we need to dynamically build this list. 1022: # To prevent security leaks, states are only added to the wizard 1023: # if they can be reached, which ensures manipulating the form input 1024: # won't allow anyone to reach states they shouldn't have permission 1025: # to reach. 1026: 1027: # printChoices is tracking the kind of printing the user can 1028: # do, and will be used in a choices construction later. 1029: # In the meantime we will be adding states and elements to 1030: # the helper by hand. 1031: my $printChoices = []; 1032: my $paramHash; 1033: 1034: if ($resourceTitle) { 1035: push @{$printChoices}, ["<b>$resourceTitle</b> (prints what you just saw on the screen)", 'current_document', 'PAGESIZE']; 1036: } 1037: 1038: # $r->print($helper->{VARS}->{'postdata'}); 1039: 1040: # If we're in a sequence... 1041: if ($helper->{'VARS'}->{'construction'} ne '1') { 1042: # Allow problems from sequence 1043: push @{$printChoices}, ["Problem(s) from <b>$sequenceTitle</b>", 'map_problems', 'CHOOSE_PROBLEMS']; 1044: # Allow all resources from sequence 1045: push @{$printChoices}, ["Everything (problem(s), page(s), html/xml file(s)) from <b>$sequenceTitle</b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML']; 1046: 1047: my $isProblem = '$res->is_problem()'; 1048: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden; 1049: my $isProblemOrMap = '$res->is_problem() || $res->is_map()'; 1050: my $isNotMap = '!$res->is_map()'; 1051: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden; 1052: my $symb = '$res->symb()'; 1053: my $helperFragment = <<HELPERFRAGMENT; 1054: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print"> 1055: <message>(mark them then click "next" button) <br /></message> 1056: <resource variable="RESOURCES" multichoice="1" toponly='1'> 1057: <nextstate>PAGESIZE</nextstate> 1058: <filterfunc>return $isProblem;</filterfunc> 1059: <mapurl>$map</mapurl> 1060: <valuefunc>return $symb;</valuefunc> 1061: </resource> 1062: </state> 1063: 1064: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print"> 1065: <message>(mark them then click "next" button) <br /></message> 1066: <resource variable="RESOURCES" multichoice="1" toponly='1'> 1067: <nextstate>PAGESIZE</nextstate> 1068: <filterfunc>return $isNotMap;</filterfunc> 1069: <mapurl>$map</mapurl> 1070: <valuefunc>return $symb;</valuefunc> 1071: </resource> 1072: </state> 1073: HELPERFRAGMENT 1074: 1075: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 1076: } 1077: 1078: # If the user is priviledged, allow them to print all 1079: # problems in the course, optionally for selected students 1080: if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($helper->{VARS}->{'postdata'}=~/\/res\//)) { 1081: push @{$printChoices}, ['<b>Problems</b> in this course', 'all_problems', 'ALL_PROBLEMS']; 1082: push @{$printChoices}, ["Problems from <b>$sequenceTitle</b> for selected students", 'problems_for_students', 'CHOOSE_STUDENTS']; 1083: 1084: my $isProblem = '$res->is_problem()'; 1085: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden; 1086: my $isProblemOrMap = '($res->is_problem() || $res->is_map())'; 1087: $isProblemOrMap .= ' && !$res->randomout()' if !$userCanSeeHidden; 1088: my $symb = '$res->symb()'; 1089: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS); 1090: <state name="ALL_PROBLEMS" title="Select Problem(s) to print"> 1091: <message>(mark them then click "next" button) <br /></message> 1092: <resource variable="RESOURCES" multichoice="1" suppressEmptySequences='1'> 1093: <nextstate>PAGESIZE</nextstate> 1094: <filterfunc>return $isProblemOrMap;</filterfunc> 1095: <choicefunc>return $isProblem;</choicefunc> 1096: <valuefunc>return $symb;</valuefunc> 1097: </resource> 1098: </state> 1099: 1100: <state name="CHOOSE_STUDENTS" title="Choose Students whose assignments you want to print"> 1101: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" /> 1102: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message> 1103: <resource variable="RESOURCES" multichoice="1"> 1104: <filterfunc>return $isProblem</filterfunc> 1105: <mapurl>$map</mapurl> 1106: <valuefunc>return $symb</valuefunc> 1107: </resource> 1108: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> 1109: <choices variable="EMPTY_PAGES"> 1110: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 1111: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 1112: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 1113: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 1114: </choices> 1115: </state> 1116: CHOOSE_STUDENTS 1117: } 1118: 1119: # FIXME: That RE should come from a library somewhere. 1120: if ((((&Apache::lonnet::allowed('bre',$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 $ENV{'request.role.adv'}) { 1121: push @{$printChoices}, ["Problems from current subdirectory <b>$subdir</b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR']; 1122: 1123: my $f = '$filename'; 1124: my $xmlfrag = <<CHOOSE_FROM_SUBDIR; 1125: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print"> 1126: <message>(mark them then click "next" button) <br /></message> 1127: <files variable="FILES" multichoice='1'> 1128: <nextstate>PAGESIZE</nextstate> 1129: <filechoice>return '$subdir';</filechoice> 1130: CHOOSE_FROM_SUBDIR 1131: 1132: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR'; 1133: <filefilter>return $filename =~ 1134: m/\.(problem|exam|quiz|assess|survey|form|library)$/; 1135: </filefilter> 1136: </files> 1137: </state> 1138: CHOOSE_FROM_SUBDIR 1139: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 1140: } 1141: 1142: # Generate the first state, to select which resources get printed. 1143: Apache::lonhelper::state->new("START", "What do you want to print? Make a choice."); 1144: $paramHash = Apache::lonhelper::getParamHash(); 1145: $paramHash->{MESSAGE_TEXT} = ""; 1146: Apache::lonhelper::message->new(); 1147: $paramHash = Apache::lonhelper::getParamHash(); 1148: $paramHash->{'variable'} = 'PRINT_TYPE'; 1149: $helper->declareVar('PRINT_TYPE'); 1150: $paramHash->{CHOICES} = $printChoices; 1151: Apache::lonhelper::choices->new(); 1152: 1153: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or 1154: ($helper->{VARS}->{'construction'} eq '1')) { 1155: $paramHash = Apache::lonhelper::getParamHash(); 1156: $paramHash->{MESSAGE_TEXT} = "<br /><big><b><i>Next option is available only for advanced users: </i></b></big>"; 1157: Apache::lonhelper::message->new(); 1158: $paramHash = Apache::lonhelper::getParamHash(); 1159: $paramHash->{'variable'} = 'ANSWER_TYPE'; 1160: $helper->declareVar('ANSWER_TYPE'); 1161: $paramHash->{CHOICES} = [ 1162: ['Print without answer', 'yes'], 1163: ['Print with answers', 'no'] ]; 1164: Apache::lonhelper::dropdown->new(); 1165: } 1166: 1167: if ($ENV{'request.role.adv'}) { 1168: $paramHash = Apache::lonhelper::getParamHash(); 1169: $paramHash->{MESSAGE_TEXT} = "<br /><big><b><i>Another option available only for advanced users: </i></b></big>"; 1170: Apache::lonhelper::message->new(); 1171: $paramHash = Apache::lonhelper::getParamHash(); 1172: $paramHash->{'variable'} = 'LATEX_TYPE'; 1173: $helper->declareVar('LATEX_TYPE'); 1174: if ($helper->{VARS}->{'construction'} eq '1') { 1175: $paramHash->{CHOICES} = [ 1176: ['Print in standard LaTeX mode', 'standard'], 1177: ['Print in LaTeX batchmode', 'batchmode'], ]; 1178: } else { 1179: $paramHash->{CHOICES} = [ 1180: ['Print in LaTeX batchmode', 'batchmode'], 1181: ['Print in standard LaTeX mode', 'standard'] ]; 1182: } 1183: Apache::lonhelper::dropdown->new(); 1184: } 1185: 1186: 1187: $paramHash = Apache::lonhelper::getParamHash(); 1188: $paramHash->{MESSAGE_TEXT} = "<br /><big><b>Print with <i>Table of Contents: </i></b></big>"; 1189: Apache::lonhelper::message->new(); 1190: $paramHash = Apache::lonhelper::getParamHash(); 1191: $paramHash->{'variable'} = 'TABLE_CONTENTS'; 1192: $helper->declareVar('TABLE_CONTENTS'); 1193: $paramHash->{CHOICES} = [ 1194: ['No', 'no'], 1195: ['Yes', 'yes'] ]; 1196: Apache::lonhelper::dropdown->new(); 1197: 1198: 1199: Apache::lonprintout::page_format_state->new("FORMAT"); 1200: 1201: # Generate the PAGESIZE state which will offer the user the margin 1202: # choices if they select one column 1203: Apache::lonhelper::state->new("PAGESIZE", "Set Margins"); 1204: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL'); 1205: 1206: 1207: $helper->process(); 1208: 1209: # MANUAL BAILOUT CONDITION: 1210: # If we're in the "final" state, bailout and return to handler 1211: if ($helper->{STATE} eq 'FINAL') { 1212: return $helper; 1213: } 1214: 1215: $r->print($helper->display()); 1216: 1217: Apache::lonhelper::unregisterHelperTags(); 1218: 1219: untie %hash; 1220: 1221: return OK; 1222: } 1223: 1224: 1225: 1; 1226: 1227: package Apache::lonprintout::page_format_state; 1228: 1229: =pod 1230: 1231: =head1 Helper element: page_format_state 1232: 1233: See lonhelper.pm documentation for discussion of the helper framework. 1234: 1235: Apache::lonprintout::page_format_state is an element that gives the 1236: user an opportunity to select the page layout they wish to print 1237: with: Number of columns, portrait/landscape, and paper size. If you 1238: want to change the paper size choices, change the @paperSize array 1239: contents in this package. 1240: 1241: page_format_state is always directly invoked in lonprintout.pm, so there 1242: is no tag interface. You actually pass parameters to the constructor. 1243: 1244: =over 4 1245: 1246: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 1247: 1248: =back 1249: 1250: =cut 1251: 1252: use Apache::lonhelper; 1253: 1254: no strict; 1255: @ISA = ("Apache::lonhelper::element"); 1256: use strict; 1257: 1258: my $maxColumns = 2; 1259: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 1260: "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]", 1261: "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]", 1262: "A5 [148x210 mm]", "A6 [105x148 mm]" ); 1263: 1264: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum | 1265: # Paper type 1266: 1267: sub new { 1268: my $self = Apache::lonhelper::element->new(); 1269: 1270: shift; 1271: 1272: $self->{'variable'} = shift; 1273: my $helper = Apache::lonhelper::getHelper(); 1274: $helper->declareVar($self->{'variable'}); 1275: bless($self); 1276: return $self; 1277: } 1278: 1279: sub render { 1280: my $self = shift; 1281: my $helper = Apache::lonhelper::getHelper(); 1282: my $result = ''; 1283: my $var = $self->{'variable'}; 1284: 1285: $result .= <<STATEHTML; 1286: 1287: <p><big><i><b>What page format do you prefer?</b></i></big></p> 1288: <table cellpadding="3"> 1289: <tr> 1290: <td align="center"><b>Page layout</b></td> 1291: <td align="center"><b>Number of columns</b></td> 1292: <td align="center"><b>Paper type</b></td> 1293: </tr> 1294: <tr> 1295: <td> 1296: <input type="radio" name="${var}.layout" value="L" /> Landscape<br /> 1297: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait 1298: </td> 1299: <td align="center"> 1300: <select name="${var}.cols"> 1301: STATEHTML 1302: 1303: my $i; 1304: for ($i = 1; $i <= $maxColumns; $i++) { 1305: if ($i == 2) { 1306: $result .= "<option value='$i' selected>$i</option>\n"; 1307: } else { 1308: $result .= "<option value='$i'>$i</option>\n"; 1309: } 1310: } 1311: 1312: $result .= "</select></td><td>\n"; 1313: $result .= "<select name='${var}.paper'>\n"; 1314: 1315: $i = 0; 1316: foreach (@paperSize) { 1317: if ($i == 0) { 1318: $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n"; 1319: } else { 1320: $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n"; 1321: } 1322: $i++; 1323: } 1324: 1325: $result .= "</select></td></tr></table>"; 1326: return $result; 1327: } 1328: 1329: sub postprocess { 1330: my $self = shift; 1331: 1332: my $var = $self->{'variable'}; 1333: my $helper = Apache::lonhelper->getHelper(); 1334: $helper->{VARS}->{$var} = 1335: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' . 1336: $ENV{"form.$var.paper"}; 1337: return 1; 1338: } 1339: 1340: 1; 1341: 1342: package Apache::lonprintout::page_size_state; 1343: 1344: =pod 1345: 1346: =head1 Helper element: page_size_state 1347: 1348: See lonhelper.pm documentation for discussion of the helper framework. 1349: 1350: Apache::lonprintout::page_size_state is an element that gives the 1351: user the opportunity to further refine the page settings if they 1352: select a single-column page. 1353: 1354: page_size_state is always directly invoked in lonprintout.pm, so there 1355: is no tag interface. You actually pass parameters to the constructor. 1356: 1357: =over 4 1358: 1359: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 1360: 1361: =back 1362: 1363: =cut 1364: 1365: use Apache::lonhelper; 1366: 1367: no strict; 1368: @ISA = ("Apache::lonhelper::element"); 1369: use strict; 1370: 1371: 1372: 1373: sub new { 1374: my $self = Apache::lonhelper::element->new(); 1375: 1376: shift; # disturbs me (probably prevents subclassing) but works (drops 1377: # package descriptor)... - Jeremy 1378: 1379: $self->{'variable'} = shift; 1380: my $helper = Apache::lonhelper::getHelper(); 1381: $helper->declareVar($self->{'variable'}); 1382: 1383: # The variable name of the format element, so we can look into 1384: # $helper->{VARS} to figure out whether the columns are one or two 1385: $self->{'formatvar'} = shift; 1386: 1387: # The state to transition to after selection, or after discovering 1388: # the cols are not set to 1 1389: $self->{NEXTSTATE} = shift; 1390: bless($self); 1391: return $self; 1392: } 1393: 1394: sub render { 1395: my $self = shift; 1396: my $helper = Apache::lonhelper::getHelper(); 1397: my $result = ''; 1398: my $var = $self->{'variable'}; 1399: 1400: if (defined $self->{ERROR_MSG}) { 1401: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />'; 1402: } 1403: 1404: $result .= <<ELEMENTHTML; 1405: 1406: <p>How should the column be formatted?</p> 1407: 1408: <table cellpadding='3'> 1409: <tr> 1410: <td align='right'><b>Width</b>:</td> 1411: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td> 1412: <td align='left'> 1413: <select name='$var.widthunit'> 1414: <option>cm</option><option>in</option> 1415: </select> 1416: </td> 1417: </tr> 1418: <tr> 1419: <td align='right'><b>Height</b>:</td> 1420: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td> 1421: <td align='left'> 1422: <select name='$var.heightunit'> 1423: <option>cm</option><option>in</option> 1424: </select> 1425: </td> 1426: </tr> 1427: <tr> 1428: <td align='right'><b>Left margin</b>:</td> 1429: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td> 1430: <td align='left'> 1431: <select name='$var.lmarginunit'> 1432: <option>cm</option><option>in</option> 1433: </select> 1434: </td> 1435: </tr> 1436: </table> 1437: 1438: <p>Hint: Some instructors like to leave scratch space for the student by 1439: making the width much smaller then the width of the page.</p> 1440: 1441: ELEMENTHTML 1442: 1443: return $result; 1444: } 1445: 1446: # If the user didn't select 1 column, skip this state. 1447: sub preprocess { 1448: my $self = shift; 1449: my $helper = Apache::lonhelper::getHelper(); 1450: 1451: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 1452: if (substr($format, 2, 1) ne '1') { 1453: $helper->changeState($self->{NEXTSTATE}); 1454: } 1455: 1456: return 1; 1457: } 1458: 1459: sub postprocess { 1460: my $self = shift; 1461: 1462: my $var = $self->{'variable'}; 1463: my $helper = Apache::lonhelper->getHelper(); 1464: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"}; 1465: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"}; 1466: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"}; 1467: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"}; 1468: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"}; 1469: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"}; 1470: 1471: my $error = ''; 1472: 1473: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 1474: # by an optional period, followed by digits, ending the string 1475: 1476: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) { 1477: $error .= "Invalid width; please type only a number.<br />\n"; 1478: } 1479: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) { 1480: $error .= "Invalid height; please type only a number.<br />\n"; 1481: } 1482: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) { 1483: $error .= "Invalid left margin; please type only a number.<br />\n"; 1484: } 1485: 1486: if (!$error) { 1487: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE}); 1488: return 1; 1489: } else { 1490: $self->{ERROR_MSG} = $error; 1491: return 0; 1492: } 1493: } 1494: 1495: 1496: 1497: __END__ 1498: