loncom/interface/lonprintout.pm - view

File: [LON-CAPA] / loncom / interface / lonprintout.pm
Revision 1.269: download - view: text, annotated - select for diffs
Thu Jan 15 20:06:19 2004 UTC (20 years, 4 months ago) by albertel
Branches: MAIN
CVS tags: HEAD

- better fix to BUG#2566, lonnet::gettitle knows all the places to look for the title in the correct order, caches and knows about the &colon; it's your friend. :-)

1: # The LearningOnline Network 2: # Printout 3: # 4: # $Id: lonprintout.pm,v 1.269 2004/01/15 20:06:19 albertel Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: # 29: package Apache::lonprintout; 30: 31: use strict; 32: use Apache::Constants qw(:common :http); 33: use Apache::lonxml; 34: use Apache::lonnet; 35: use Apache::loncommon; 36: use Apache::inputtags; 37: use Apache::grades; 38: use Apache::edit; 39: use Apache::File(); 40: use Apache::lonnavmaps; 41: use Apache::lonratedt; 42: use POSIX qw(strftime); 43: use Apache::lonlocal; 44: 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;/\$=\$/g; 93: $result =~ s/&(\#0?62|gt|\#155);/\$>\$/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;/\$\\setminus\$/g; 123: $result =~ s/&\#0?93;/]/g; 124: $result =~ s/&\#(0?94|136);/\$\\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;/\$\\ldots\$/g; 160: $result =~ s/&\#134;/\$\\dagger\$/g; 161: $result =~ s/&\#135;/\$\\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;/\$\\bullet\$/g; 167: $result =~ s/&\#150;/--/g; 168: $result =~ s/&\#151;/---/g; 169: $result =~ s/&\#152;/\$\\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);/\$\\neg\$/g; 185: $result =~ s/&(\#173|shy);/ - /g; 186: $result =~ s/&(\#174|reg);/\\textregistered /g; 187: $result =~ s/&(\#175|macr);/\$^{-}\$/g; 188: $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g; 189: $result =~ s/&(\#177|plusmn);/\$\\pm\$/g; 190: $result =~ s/&(\#178|sup2);/\$^2\$/g; 191: $result =~ s/&(\#179|sup3);/\$^3\$/g; 192: $result =~ s/&(\#180|acute);/\\textacute /g; 193: $result =~ s/&(\#181|micro);/\$\\mu\$/g; 194: $result =~ s/&(\#182|para);/\\P/g; 195: $result =~ s/&(\#183|middot);/\$\\cdot\$/g; 196: $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; 197: $result =~ s/&(\#185|sup1);/\$^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);/\$\\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);/\$\\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);/\$\\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;/\$\\theta\$/g; 265: #Greek Alphabet 266: $result =~ s/&(alpha|\#945);/\$\\alpha \$/g; 267: $result =~ s/&(beta|\#946);/\$\\beta \$/g; 268: $result =~ s/&(gamma|\#947);/\$\\gamma \$/g; 269: $result =~ s/&(delta|\#948);/\$\\delta \$/g; 270: $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g; 271: $result =~ s/&(zeta|\#950);/\$\\zeta \$/g; 272: $result =~ s/&(eta|\#951);/\$\\eta \$/g; 273: $result =~ s/&(theta|\#952);/\$\\theta \$/g; 274: $result =~ s/&(iota|\#953);/\$\\iota \$/g; 275: $result =~ s/&(kappa|\#954);/\$\\kappa \$/g; 276: $result =~ s/&(lambda|\#955);/\$\\lambda \$/g; 277: $result =~ s/&(mu|\#956);/\$\\mu \$/g; 278: $result =~ s/&(nu|\#957);/\$\\nu \$/g; 279: $result =~ s/&(xi|\#958);/\$\\xi \$/g; 280: $result =~ s/&(omicron|\#959);/o/g; 281: $result =~ s/&(pi|\#960);/\$\\pi \$/g; 282: $result =~ s/&(rho|\#961);/\$\\rho \$/g; 283: $result =~ s/&(sigma|\#963);/\$\\sigma \$/g; 284: $result =~ s/&(tau|\#964);/\$\\tau \$/g; 285: $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g; 286: $result =~ s/&(phi|\#966);/\$\\phi \$/g; 287: $result =~ s/&(chi|\#967);/\$\\chi \$/g; 288: $result =~ s/&(psi|\#968);/\$\\psi \$/g; 289: $result =~ s/&(omega|\#969);/\$\\omega \$/g; 290: $result =~ s/&(thetasym|\#977);/\$\\vartheta \$/g; 291: $result =~ s/&(piv|\#982);/\$\\varpi \$/g; 292: $result =~ s/&(Alpha|\#913);/A/g; 293: $result =~ s/&(Beta|\#914);/B/g; 294: $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g; 295: $result =~ s/&(Delta|\#916);/\$\\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);/\$\\Theta \$/g; 300: $result =~ s/&(Iota|\#921);/I/g; 301: $result =~ s/&(Kappa|\#922);/K/g; 302: $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g; 303: $result =~ s/&(Mu|\#924);/M/g; 304: $result =~ s/&(Nu|\#925);/N/g; 305: $result =~ s/&(Xi|\#926);/\$\\Xi \$/g; 306: $result =~ s/&(Omicron|\#927);/O/g; 307: $result =~ s/&(Pi|\#928);/\$\\Pi \$/g; 308: $result =~ s/&(Rho|\#929);/P/g; 309: $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g; 310: $result =~ s/&(Tau|\#932);/T/g; 311: $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g; 312: $result =~ s/&(Phi|\#934);/\$\\Phi \$/g; 313: $result =~ s/&(Chi|\#935);/X/g; 314: $result =~ s/&(Psi|\#936);/\$\\Psi \$/g; 315: $result =~ s/&(Omega|\#937);/\$\\Omega \$/g; 316: #Arrows (extended HTML 4.01) 317: $result =~ s/&(larr|\#8592);/\$\\leftarrow \$/g; 318: $result =~ s/&(uarr|\#8593);/\$\\uparrow \$/g; 319: $result =~ s/&(rarr|\#8594);/\$\\rightarrow \$/g; 320: $result =~ s/&(darr|\#8595);/\$\\downarrow \$/g; 321: $result =~ s/&(harr|\#8596);/\$\\leftrightarrow \$/g; 322: $result =~ s/&(lArr|\#8656);/\$\\Leftarrow \$/g; 323: $result =~ s/&(uArr|\#8657);/\$\\Uparrow \$/g; 324: $result =~ s/&(rArr|\#8658);/\$\\Rightarrow \$/g; 325: $result =~ s/&(dArr|\#8659);/\$\\Downarrow \$/g; 326: $result =~ s/&(hArr|\#8660);/\$\\Leftrightarrow \$/g; 327: #Mathematical Operators (extended HTML 4.01) 328: $result =~ s/&(forall|\#8704);/\$\\forall \$/g; 329: $result =~ s/&(part|\#8706);/\$\\partial \$/g; 330: $result =~ s/&(exist|\#8707);/\$\\exists \$/g; 331: $result =~ s/&(empty|\#8709);/\$\\emptyset \$/g; 332: $result =~ s/&(nabla|\#8711);/\$\\nabla \$/g; 333: $result =~ s/&(isin|\#8712);/\$\\in \$/g; 334: $result =~ s/&(notin|\#8713);/\$\\notin \$/g; 335: $result =~ s/&(ni|\#8715);/\$\\ni \$/g; 336: $result =~ s/&(prod|\#8719);/\$\\prod \$/g; 337: $result =~ s/&(sum|\#8721);/\$\\sum \$/g; 338: $result =~ s/&(minus|\#8722);/\$-\$/g; 339: $result =~ s/&(lowast|\#8727);/\$*\$/g; 340: $result =~ s/&(radic|\#8730);/\$\\surd \$/g; 341: $result =~ s/&(prop|\#8733);/\$\\propto \$/g; 342: $result =~ s/&(infin|\#8734);/\$\\infty \$/g; 343: $result =~ s/&(ang|\#8736);/\$\\angle \$/g; 344: $result =~ s/&(and|\#8743);/\$\\wedge \$/g; 345: $result =~ s/&(or|\#8744);/\$\\vee \$/g; 346: $result =~ s/&(cap|\#8745);/\$\\cap \$/g; 347: $result =~ s/&(cup|\#8746);/\$\\cup \$/g; 348: $result =~ s/&(int|\#8747);/\$\\int \$/g; 349: $result =~ s/&(sim|\#8764);/\$\\sim \$/g; 350: $result =~ s/&(cong|\#8773);/\$\\cong \$/g; 351: $result =~ s/&(asymp|\#8776);/\$\\approx \$/g; 352: $result =~ s/&(ne|\#8800);/\$\\not= \$/g; 353: $result =~ s/&(equiv|\#8801);/\$\\equiv \$/g; 354: $result =~ s/&(le|\#8804);/\$\\leq \$/g; 355: $result =~ s/&(ge|\#8805);/\$\\geq \$/g; 356: $result =~ s/&(sub|\#8834);/\$\\subset \$/g; 357: $result =~ s/&(sup|\#8835);/\$\\supset \$/g; 358: $result =~ s/&(nsub|\#8836);/\$\\not\\subset \$/g; 359: $result =~ s/&(sube|\#8838);/\$\\subseteq \$/g; 360: $result =~ s/&(supe|\#8839);/\$\\supseteq \$/g; 361: $result =~ s/&(oplus|\#8853);/\$\\oplus \$/g; 362: $result =~ s/&(otimes|\#8855);/\$\\otimes \$/g; 363: $result =~ s/&(perp|\#8869);/\$\\perp \$/g; 364: $result =~ s/&(sdot|\#8901);/\$\\cdot \$/g; 365: #Geometric Shapes (extended HTML 4.01) 366: $result =~ s/&(loz|\#9674);/\$\\Diamond \$/g; 367: #Miscellaneous Symbols (extended HTML 4.01) 368: $result =~ s/&(spades|\#9824);/\$\\spadesuit \$/g; 369: $result =~ s/&(clubs|\#9827);/\$\\clubsuit \$/g; 370: $result =~ s/&(hearts|\#9829);/\$\\heartsuit \$/g; 371: $result =~ s/&(diams|\#9830);/\$\\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: $topmargin = '3.5 in'; 416: } 417: } 418: # } elsif($papersize eq '1') { 419: # } elsif($papersize eq '2') { 420: # } elsif($papersize eq '3'/) { 421: } elsif($papersize eq '6') { 422: if ($layout eq 'book') { 423: if ($numberofcolumns == 1) { 424: $textwidth = '18 cm'; 425: $textheight = '28 cm'; 426: $oddoffset = '-0.57 in'; 427: $evenoffset = '-0.57 in'; 428: } elsif ($numberofcolumns == 2) { 429: $textwidth = '96 mm'; 430: $textheight = '2 cm'; 431: $oddoffset = '-0.57 in'; 432: $evenoffset = '-0.57 in'; 433: } 434: } elsif ($layout eq 'album') { 435: if ($numberofcolumns eq '1') { 436: $textwidth = '8.5 in'; 437: $textheight = '7.7 in'; 438: $oddoffset = '-40 pt'; 439: $evenoffset = '-60 pt'; 440: } elsif ($numberofcolumns == 2) { 441: $textwidth = '3.9 in'; 442: $textheight = '7.7 in'; 443: $oddoffset = '-40 pt'; 444: $evenoffset = '-60 pt'; 445: } 446: } 447: # } elsif($papersize eq '5') { 448: # } elsif($papersize eq '4') { 449: # } elsif($papersize eq '7') { 450: # } elsif($papersize eq '8') { 451: } 452: return $textwidth,$textheight,$oddoffset,$evenoffset,$topmargin; 453: } 454: 455: 456: sub get_name { 457: my ($uname,$udom)=@_; 458: if (!defined($uname)) { $uname=$ENV{'user.name'}; } 459: if (!defined($udom)) { $udom=$ENV{'user.domain'}; } 460: my $plainname=&Apache::loncommon::plainname($uname,$udom); 461: if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; } 462: $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header'); 463: return $plainname; 464: } 465: 466: sub get_course { 467: my $courseidinfo; 468: if (defined($ENV{'request.course.id'})) { 469: $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header'); 470: } 471: return $courseidinfo; 472: } 473: 474: sub page_format_transformation { 475: my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist) = @_; 476: my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin); 477: $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header'); 478: ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin); 479: my $name = &get_name(); 480: my $courseidinfo = &get_course(); 481: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 482: if ($layout eq 'album') { 483: my $topmargintoinsert = ''; 484: if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';} 485: $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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} /; 486: } elsif ($layout eq 'book') { 487: if ($choice ne 'All class print') { 488: $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}/; 489: } else { 490: $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /; 491: } 492: } 493: if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;} 494: if ($indexlist eq 'yes') { 495: $text=~s/(\\begin{document})/\\makeindex $1/; 496: $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/; 497: } 498: return $text; 499: } 500: 501: 502: sub page_cleanup { 503: my $result = shift; 504: 505: $result =~ m/\\end{document}(\d*)$/; 506: my $number_of_columns = $1; 507: my $insert = '{'; 508: for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; } 509: $insert .= '}'; 510: $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; 511: $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g; 512: return $result,$number_of_columns; 513: } 514: 515: 516: sub details_for_menu { 517: 518: my $name_of_resourse = &Apache::lonnet::gettitle($ENV{'form.postdata'}); 519: my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'}); 520: my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic); 521: $map=&Apache::lonnet::clutter($map); 522: my $name_of_sequence = &Apache::lonnet::gettitle($map); 523: if ($name_of_sequence =~ /^\s*$/) { 524: $map =~ m|([^/]+)$|; 525: $name_of_sequence = $1; 526: } 527: my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'}); 528: if ($name_of_map =~ /^\s*$/) { 529: $ENV{'request.course.uri'} =~ m|([^/]+)$|; 530: $name_of_map = $1; 531: } 532: return ($name_of_resourse,$name_of_sequence,$name_of_map); 533: 534: } 535: 536: 537: sub latex_corrections { 538: 539: my ($number_of_columns,$result) = @_; 540: 541: # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; 542: $result =~ s/\$number_of_columns/$number_of_columns/g; 543: $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/; 544: $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; 545: $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g; 546: #-- LaTeX corrections 547: my $first_comment = index($result,'',$first_comment); 550: substr($result,$first_comment,$end_comment-$first_comment+3) = ''; 551: $first_comment = index($result,'<!--',$first_comment); 552: } 553: $result =~ s/^\s+$//gm; #remove empty lines 554: $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space 555: $result =~ s/\\\\\s*\\vskip/\\vskip/gm; 556: $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g; 557: $result =~ s/{\\par }\s*\\\\/\\\\/gm; 558: $result =~ s/\\\\\s+\[/ \[/g; 559: $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g; 560: #conversion of html characters to LaTeX equivalents 561: if ($result =~ m/&(\w+|#\d+);/) { 562: $result = &character_chart($result); 563: } 564: $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g; 565: $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g; 566: 567: return $result; 568: } 569: 570: 571: sub index_table { 572: my $currentURL = shift; 573: my $insex_string=''; 574: $currentURL=~s/\.([^\/+])$/\.$1\.meta/; 575: $insex_string=&Apache::lonnet::metadata($currentURL,'keywords'); 576: return $insex_string; 577: } 578: 579: 580: sub IndexCreation { 581: my ($texversion,$currentURL)=@_; 582: my @key_words=split(/,/,&index_table($currentURL)); 583: my $chunk=''; 584: my $st=index $texversion,'\addcontentsline{toc}{subsection}{'; 585: if ($st>0) { 586: for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);} 587: $chunk=substr($texversion,0,$st+1); 588: substr($texversion,0,$st+1)=' '; 589: } 590: foreach my $key_word (@key_words) { 591: if ($key_word=~/\S+/) { 592: $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i; 593: } 594: } 595: if ($st>0) {substr($texversion,0,1)=$chunk;} 596: return $texversion; 597: } 598: 599: sub print_latex_header { 600: my $mode=shift; 601: my $output='\documentclass[letterpaper]{article}'; 602: if ($mode eq 'batchmode') { 603: $output.='\batchmode'; 604: } 605: $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'. 606: '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'. 607: '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'. 608: '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'. 609: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'. 610: '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'. 611: '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'. 612: '\setlength{\abovedisplayshortskip}{-0.04in}'. 613: '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'. 614: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'. 615: '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'. 616: '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'. 617: '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'. 618: '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'. 619: '\setlength{\abovedisplayshortskip}{-0.04in}'. 620: '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'; 621: return $output; 622: } 623: 624: sub path_to_problem { 625: my ($urlp,$LaTeXwidth)=@_; 626: my $newurlp = ''; 627: $LaTeXwidth=~s/\s*mm\s*$//; 628: my $HowMany = length($urlp)*2; 629: if ($HowMany > $LaTeXwidth) { 630: my @temporrary = split '/',$urlp; 631: my $HowManyNew = 0; 632: for (my $ii=0;$ii<=$#temporrary;$ii++) { 633: if ($temporrary[$ii] ne '') { 634: $HowManyNew += length($temporrary[$ii])*2; 635: if ($HowManyNew < $LaTeXwidth ) { 636: $newurlp .= '/'.$temporrary[$ii]; 637: } else { 638: $HowManyNew = 0; 639: $newurlp .= '|\vskip -1 mm \noindent \verb|'; 640: $ii--; 641: } 642: } 643: } 644: } else { 645: $newurlp=$urlp; 646: } 647: return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}'; 648: } 649: 650: sub output_data { 651: my ($r,$helper,$rparmhash) = @_; 652: my %parmhash = %$rparmhash; 653: my $bodytag=&Apache::loncommon::bodytag('Preparing Printout'); 654: $r->print(<<ENDPART); 655: <html> 656: <script type="text/javascript" language="Javascript" > 657: var editbrowser; 658: function openbrowser(formname,elementname,only,omit) { 659: var url = '/res/?'; 660: if (editbrowser == null) { 661: url += 'launch=1&'; 662: } 663: url += 'catalogmode=interactive&'; 664: url += 'mode=parmset&'; 665: url += 'form=' + formname + '&'; 666: if (only != null) { 667: url += 'only=' + only + '&'; 668: } 669: if (omit != null) { 670: url += 'omit=' + omit + '&'; 671: } 672: url += 'element=' + elementname + ''; 673: var title = 'Browser'; 674: var options = 'scrollbars=1,resizable=1,menubar=0'; 675: options += ',width=700,height=600'; 676: editbrowser = open(url,title,options,'1'); 677: editbrowser.focus(); 678: } 679: </script> 680: <head> 681: <title>LON-CAPA output for printing</title> 682: </head> 683: $bodytag 684: Please stand by while processing your print request, this may take some time ... 685: ENDPART 686: 687: my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; 688: my ($result,$selectionmade) = ('',''); 689: my $number_of_columns = 1; #used only for pages to determine the width of the cell 690: my @temporary_array=split /\|/,$format_from_helper; 691: my ($laystyle,$numberofcolumns,$papersize)=@temporary_array; 692: if ($laystyle eq 'L') { 693: $laystyle='album'; 694: } else { 695: $laystyle='book'; 696: } 697: my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns); 698: my $assignment = $ENV{'form.assignment'}; 699: my $LaTeXwidth; 700: if ($textwidth=~/(\d+\.?\d*)\s*cm/) { 701: $LaTeXwidth = $1*10; 702: } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) { 703: $LaTeXwidth = $1; 704: } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) { 705: $LaTeXwidth = $1*25.4; 706: } 707: $LaTeXwidth.=' mm'; 708: 709: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') { 710: #-- single document - problem, page, html, xml, ... 711: my $currentURL; 712: if ($helper->{'VARS'}->{'construction'} ne '1') { 713: #prints published resource 714: $currentURL=$helper->{'VARS'}->{'postdata'}; 715: } else { 716: #prints resource from the construction space 717: $currentURL='/'.$helper->{'VARS'}->{'filename'}; 718: if ($currentURL=~/([^?]+)/) {$currentURL=$1;} 719: } 720: $selectionmade = 1; 721: if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { 722: my $rndseed=time; 723: my $texversion=''; 724: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { 725: my %moreenv; 726: $moreenv{'request.filename'}=$currentURL; 727: if ($helper->{'VARS'}->{'style_file'}=~/\w/) { 728: $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'}; 729: my $dom = $ENV{'user.domain'}; 730: my $user = $ENV{'user.name'}; 731: my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user); 732: } 733: my %form; 734: $form{'grade_target'}='tex'; 735: $form{'textwidth'}=$LaTeXwidth; 736: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 737: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 738: if ($helper->{'VARS'}->{'curseed'}) { 739: $rndseed=$helper->{'VARS'}->{'curseed'}; 740: } 741: $form{'rndseed'}=$rndseed; 742: &Apache::lonnet::appenv(%moreenv); 743: &Apache::lonnet::delenv('form.counter'); 744: &Apache::lonxml::init_counter(); 745: $texversion=&Apache::lonnet::ssi($currentURL,%form); 746: &Apache::lonnet::delenv('form.counter'); 747: &Apache::lonnet::delenv('request.filename'); 748: } 749: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 750: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 751: my %form; 752: $form{'grade_target'}='answer'; 753: $form{'answer_output_mode'}='tex'; 754: $form{'rndseed'}=$rndseed; 755: my $answer=&Apache::lonnet::ssi($currentURL,%form); 756: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 757: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 758: } else { 759: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 760: if ($helper->{'VARS'}->{'construction'} ne '1') { 761: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm '; 762: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth); 763: } else { 764: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 765: my $URLpath=$currentURL; 766: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/; 767: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth); 768: } 769: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 770: } 771: } 772: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 773: $texversion=&IndexCreation($texversion,$currentURL); 774: } 775: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 776: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; 777: 778: } 779: $result .= $texversion; 780: if ($currentURL=~m/\.page\s*$/) { 781: ($result,$number_of_columns) = &page_cleanup($result); 782: } 783: } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') { 784: #printing content of sequence from the construction space 785: my $flag_latex_header_remove = 'NO'; 786: my $rndseed=time; 787: if ($helper->{'VARS'}->{'curseed'}) { 788: $rndseed=$helper->{'VARS'}->{'curseed'}; 789: } 790: $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|; 791: my $errtext=&Apache::lonratedt::mapread($currentURL); 792: for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) { 793: $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/; 794: my $urlp=$2; 795: if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) { 796: my $texversion=''; 797: if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { 798: my %form; 799: $form{'grade_target'}='tex'; 800: $form{'textwidth'}=$LaTeXwidth; 801: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 802: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 803: $form{'rndseed'}=$rndseed; 804: $texversion=&Apache::lonnet::ssi($urlp,%form); 805: } 806: if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 807: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 808: ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) { 809: my %form; 810: $form{'grade_target'}='answer'; 811: $form{'answer_output_mode'}='tex'; 812: $form{'rndseed'}=$rndseed; 813: if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';} 814: my $answer=&Apache::lonnet::ssi($urlp,%form); 815: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 816: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 817: } else { 818: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 819: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm '; 820: $texversion.=&path_to_problem ($currentURL,$LaTeXwidth); 821: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 822: } 823: } 824: if ($flag_latex_header_remove ne 'NO') { 825: $texversion = &latex_header_footer_remove($texversion); 826: } else { 827: $texversion =~ s/\\end{document}//; 828: } 829: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 830: $texversion=&IndexCreation($texversion,$urlp); 831: } 832: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') { 833: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 834: } 835: $result.=$texversion; 836: $flag_latex_header_remove = 'YES'; 837: } elsif ($urlp=~/\.(sequence|page)$/) { 838: $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent '; 839: } 840: } 841: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;} 842: $result .= '\end{document}'; 843: } elsif ($currentURL=~/\/smppg$/) { 844: my %form; 845: $form{'grade_target'}='tex'; 846: $form{'textwidth'}=$LaTeXwidth; 847: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 848: my $texversion=&Apache::lonnet::ssi($currentURL,%form); 849: $result .= $texversion; 850: } else { 851: $result.='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: '; 852: if ($currentURL=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { 853: $result.=$1; 854: } elsif ($currentURL=~/\/ext\//) { 855: $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' '; 856: } else { 857: $result.=$currentURL; 858: } 859: $result.=' \end{document}' 860: } 861: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or 862: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or 863: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or 864: ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 865: #-- produce an output string 866: my %form=(); 867: $form{'grade_target'}='tex'; 868: $form{'textwidth'}=$LaTeXwidth; 869: $form{'problem_split'}=$parmhash{'problem_stream_switch'}; 870: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 871: my $flag_latex_header_remove = 'NO'; 872: my $flag_page_in_sequence = 'NO'; 873: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 874: my $prevassignment=''; 875: &Apache::lonxml::init_counter(); 876: for (my $i=0;$i<=$#master_seq;$i++) { 877: my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]); 878: $urlp=&Apache::lonnet::clutter($urlp); 879: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') { 880: $selectionmade = 2; 881: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') { 882: $selectionmade = 3; 883: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') { 884: $selectionmade = 4; 885: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') { 886: $selectionmade = 7; 887: } 888: $form{'symb'}=$master_seq[$i]; 889: my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]); 890: my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem 891: if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;} 892: if ($i==0) {$prevassignment=$assignment;} 893: #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]"); 894: my $texversion.=&Apache::lonnet::ssi($urlp,%form); 895: if ($urlp=~/\.page$/) { 896: ($texversion,my $number_of_columns_page) = &page_cleanup($texversion); 897: if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 898: $texversion =~ s/\\end{document}\d*/\\end{document}/; 899: $flag_page_in_sequence = 'YES'; 900: } 901: my $lonidsdir=$r->dir_config('lonIDsDir'); 902: my $envfile=$ENV{'user.environment'}; 903: $envfile=~/\/([^\/]+)\.id$/; 904: $envfile=$1; 905: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile); 906: my $current_counter=$ENV{'form.counter'}; 907: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 908: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 909: my %form; 910: $form{'grade_target'}='answer'; 911: $form{'answer_output_mode'}='tex'; 912: my $answer=&Apache::lonnet::ssi($urlp,%form); 913: &Apache::lonnet::appenv(('form.counter' => $current_counter)); 914: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 915: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 916: } else { 917: if ($urlp=~/\.(problem|exam|quiz|library)$/) { 918: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 919: $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm '; 920: $texversion.=&path_to_problem ($urlp,$LaTeXwidth); 921: $texversion.='\vskip 1 mm '.$answer; 922: } else { 923: $texversion=''; 924: } 925: } 926: } 927: if ($flag_latex_header_remove ne 'NO') { 928: $texversion = &latex_header_footer_remove($texversion); 929: } else { 930: $texversion =~ s/\\end{document}//; 931: } 932: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 933: $texversion=&IndexCreation($texversion,$urlp); 934: } 935: if (($selectionmade == 4) and ($assignment ne $prevassignment)) { 936: my $name = &get_name(); 937: my $courseidinfo = &get_course(); 938: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 939: $prevassignment=$assignment; 940: $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm '; 941: } 942: $result .= $texversion; 943: $flag_latex_header_remove = 'YES'; 944: } 945: &Apache::lonnet::delenv('form.counter'); 946: if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;} 947: $result .= '\end{document}'; 948: } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')) { 949: #-- prints assignments for whole class or for selected students 950: if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') { 951: $selectionmade=5; 952: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') { 953: $selectionmade=8; 954: } 955: my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'}; 956: my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; 957: #loop over students 958: my $flag_latex_header_remove = 'NO'; 959: my %moreenv; 960: $moreenv{'form.textwidth'}=$LaTeXwidth; 961: &Apache::lonnet::appenv(%moreenv); 962: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1); 963: foreach my $person (@students) { 964: my $current_output = ''; 965: # my ($usersection,$username,$userdomain) = split /:/,$person; 966: my ($username,$userdomain) = split /:/,$person; 967: my $fullname = &get_name($username,$userdomain); 968: 969: if ($parmhash{'anonymous_quiz'}=~/yes/) {$fullname=' ';} #put here something reasonable for anonymous exams or quiz 970: #goes through all resources, checks if they are available for current student, and produces output 971: &Apache::lonnet::delenv('form.counter'); 972: &Apache::lonxml::init_counter(); 973: foreach my $curresline (@master_seq) { 974: if ((($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) && ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students')) || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')) { 975: my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline); 976: if (&Apache::lonnet::allowed('bre',$res_url)) { 977: my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain, 978: $ENV{'request.course.id'},'tex'); 979: my $lonidsdir=$r->dir_config('lonIDsDir'); 980: my $envfile=$ENV{'user.environment'}; 981: $envfile=~/\/([^\/]+)\.id$/; 982: $envfile=$1; 983: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile); 984: my $current_counter=$ENV{'form.counter'}; 985: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 986: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 987: my %form; 988: $form{'answer_output_mode'}='tex'; 989: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 990: my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form); 991: &Apache::lonnet::appenv(('form.counter' => $current_counter)); 992: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 993: $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/; 994: } else { 995: $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 996: $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm '; 997: $rendered.=&path_to_problem ($curresline,$LaTeXwidth); 998: $rendered.='\vskip 1 mm '.$ansrendered; 999: } 1000: } 1001: if ($flag_latex_header_remove eq 'YES') { 1002: $rendered = &latex_header_footer_remove($rendered); 1003: } else { 1004: $rendered =~ s/\\end{document}//; 1005: } 1006: $current_output .= $rendered; 1007: } 1008: $flag_latex_header_remove = 'YES'; 1009: } 1010: } 1011: my $courseidinfo = &get_course(); 1012: if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } 1013: my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header'); 1014: if ($current_output=~/\\documentclass/) { 1015: $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /; 1016: } else { 1017: my $blanspages = ''; 1018: for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';} 1019: $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$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.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}}} \vskip -5 mm '.$current_output; 1020: } 1021: $result .= $current_output; 1022: &Apache::lonnet::delenv('form.counter'); 1023: &Apache::lonxml::init_counter(); 1024: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, 1025: &mt('last student').' '.$fullname); 1026: } 1027: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); 1028: $result .= '\end{document}'; 1029: &Apache::lonnet::delenv('form.textwidth'); 1030: } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') { 1031: #prints selected problems from the subdirectory 1032: $selectionmade = 6; 1033: my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'}; 1034: @list_of_files=sort @list_of_files; 1035: my $flag_latex_header_remove = 'NO'; 1036: my $rndseed=time; 1037: if ($helper->{'VARS'}->{'curseed'}) { 1038: $rndseed=$helper->{'VARS'}->{'curseed'}; 1039: } 1040: for (my $i=0;$i<=$#list_of_files;$i++) { 1041: my $urlp = $list_of_files[$i]; 1042: $urlp=~s|//|/|; 1043: if ($urlp=~/\//) { 1044: my %form; 1045: $form{'grade_target'}='tex'; 1046: $form{'textwidth'}=$LaTeXwidth; 1047: $form{'rndseed'}=$rndseed; 1048: if ($urlp =~ m|/home/([^/]+)/public_html|) { 1049: $urlp =~ s|/home/([^/]*)/public_html|/~$1|; 1050: } else { 1051: $urlp =~ s|^/home/httpd/html||; 1052: } 1053: my $texversion=&Apache::lonnet::ssi($urlp,%form); 1054: if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || 1055: ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { 1056: my %form; 1057: $form{'grade_target'}='answer'; 1058: $form{'answer_output_mode'}='tex'; 1059: $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; 1060: $form{'rndseed'}=$rndseed; 1061: my $answer=&Apache::lonnet::ssi($urlp,%form); 1062: if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { 1063: $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; 1064: } else { 1065: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); 1066: if ($helper->{'VARS'}->{'construction'} ne '1') { 1067: $texversion.='\vskip 0 mm \noindent '; 1068: $texversion.=&path_to_problem ($urlp,$LaTeXwidth); 1069: } else { 1070: $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; 1071: my $URLpath=$urlp; 1072: $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/; 1073: $texversion.=&path_to_problem ($URLpath,$LaTeXwidth); 1074: } 1075: $texversion.='\vskip 1 mm '.$answer.'\end{document}'; 1076: } 1077: } 1078: #this chunck is responsible for printing the path to problem 1079: my $newurlp=$urlp; 1080: if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;} 1081: $newurlp=&path_to_problem($newurlp,$LaTeXwidth); 1082: $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/; 1083: if ($flag_latex_header_remove ne 'NO') { 1084: $texversion = &latex_header_footer_remove($texversion); 1085: } else { 1086: $texversion =~ s/\\end{document}//; 1087: } 1088: if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { 1089: $texversion=&IndexCreation($texversion,$urlp); 1090: } 1091: if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { 1092: $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; 1093: 1094: } 1095: $result .= $texversion; 1096: } 1097: $flag_latex_header_remove = 'YES'; 1098: } 1099: if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;} 1100: $result .= '\end{document}'; 1101: } 1102: #-------------------------------------------------------- corrections for the different page formats 1103: $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'}); 1104: $result = &latex_corrections($number_of_columns,$result); 1105: #changes page's parameters for the one column output 1106: if ($numberofcolumns == 1) { 1107: $result =~ s/\\textwidth\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /; 1108: $result =~ s/\\textheight\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /; 1109: $result =~ s/\\evensidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 1110: $result =~ s/\\oddsidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; 1111: } 1112: #-- writing .tex file in prtspool 1113: my $temp_file; 1114: my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex"; 1115: unless ($temp_file = Apache::File->new('>'.$filename)) { 1116: $r->log_error("Couldn't open $filename for output $!"); 1117: return SERVER_ERROR; 1118: } 1119: 1120: my $identifier = time.'_'.int(rand(1000)); 1121: &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename, 1122: 'cgi.'.$identifier.'.layout' => $laystyle, 1123: 'cgi.'.$identifier.'.numcol' => $numberofcolumns, 1124: 'cgi.'.$identifier.'.selection' => $selectionmade, 1125: 'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'}, 1126: 'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'}, 1127: 'cgi.'.$identifier.'role' => $ENV{'request.role.adv'}); 1128: 1129: print $temp_file $result; 1130: 1131: $r->print(<<FINALEND); 1132: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier"> 1133: </body> 1134: </html> 1135: FINALEND 1136: } 1137: 1138: 1139: 1140: sub handler { 1141: 1142: my $r = shift; 1143: my $helper; 1144: 1145: # my $loaderror=&Apache::lonnet::overloaderror($r); 1146: # if ($loaderror) { return $loaderror; } 1147: # $loaderror= 1148: # &Apache::lonnet::overloaderror($r, 1149: # $ENV{'course.'.$ENV{'request.course.id'}.'.home'}); 1150: # if ($loaderror) { return $loaderror; } 1151: 1152: my $result = printHelper($r); 1153: if (!ref($result)) { 1154: return $result; 1155: } 1156: $helper = $result; 1157: 1158: # my $key; 1159: # foreach $key (keys %{$helper->{'VARS'}}) { 1160: # $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />'); 1161: # } 1162: # foreach $key (keys %ENV) { 1163: # $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />'); 1164: # } 1165: # return OK; 1166: 1167: my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'}); 1168: 1169: # my $key; 1170: # foreach $key (keys %parmhash) { 1171: # $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />'); 1172: # } 1173: # return OK; 1174: 1175: &output_data($r,$helper,\%parmhash); 1176: return OK; 1177: } 1178: 1179: use Apache::lonhelper; 1180: 1181: sub addMessage { 1182: my $text = shift; 1183: my $paramHash = Apache::lonhelper::getParamHash(); 1184: $paramHash->{MESSAGE_TEXT} = $text; 1185: Apache::lonhelper::message->new(); 1186: } 1187: 1188: use Data::Dumper; 1189: 1190: sub printHelper { 1191: my $r = shift; 1192: 1193: if ($ENV{'request.course.id'}) { 1194: my $fn=$ENV{'request.course.fn'}; 1195: tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640); 1196: } 1197: 1198: if ($r->header_only) { 1199: if ($ENV{'browser.mathml'}) { 1200: &Apache::loncommon::content_type($r,'text/xml'); 1201: } else { 1202: &Apache::loncommon::content_type($r,'text/html'); 1203: } 1204: $r->send_http_header; 1205: return OK; 1206: } 1207: 1208: # Send header, nocache 1209: if ($ENV{'browser.mathml'}) { 1210: &Apache::loncommon::content_type($r,'text/xml'); 1211: } else { 1212: &Apache::loncommon::content_type($r,'text/html'); 1213: } 1214: &Apache::loncommon::no_cache($r); 1215: $r->send_http_header; 1216: $r->rflush(); 1217: 1218: # Unfortunately, this helper is so complicated we have to 1219: # write it by hand 1220: 1221: Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING}); 1222: 1223: my $helper = Apache::lonhelper::helper->new("Printing Helper"); 1224: $helper->declareVar('symb'); 1225: $helper->declareVar('postdata'); 1226: $helper->declareVar('curseed'); 1227: $helper->declareVar('filename'); 1228: $helper->declareVar('construction'); 1229: $helper->declareVar('assignment'); 1230: $helper->declareVar('style_file'); 1231: 1232: # This will persistently load in the data we want from the 1233: # very first screen. 1234: # Detect whether we're coming from construction space 1235: if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) { 1236: $helper->{VARS}->{'filename'} = "~$1/$2"; 1237: $helper->{VARS}->{'construction'} = 1; 1238: } else { 1239: if ($ENV{'form.postdata'}) { 1240: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'}); 1241: } 1242: if ($ENV{'form.symb'}) { 1243: $helper->{VARS}->{'symb'} = $ENV{'form.symb'}; 1244: } 1245: if ($ENV{'form.url'}) { 1246: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 1247: } 1248: } 1249: 1250: if ($ENV{'form.symb'}) { 1251: $helper->{VARS}->{'symb'} = $ENV{'form.symb'}; 1252: } 1253: if ($ENV{'form.url'}) { 1254: $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); 1255: 1256: } 1257: 1258: my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu; 1259: if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;} 1260: 1261: 1262: # Extract map 1263: my $symb = $helper->{VARS}->{'symb'}; 1264: my ($map, $id, $url); 1265: my $subdir; 1266: 1267: # Get the resource name from construction space 1268: if ($helper->{VARS}->{'construction'}) { 1269: $resourceTitle = substr($helper->{VARS}->{'filename'}, 1270: rindex($helper->{VARS}->{'filename'}, '/')+1); 1271: $subdir = substr($helper->{VARS}->{'filename'}, 1272: 0, rindex($helper->{VARS}->{'filename'}, '/') + 1); 1273: } else { 1274: ($map, $id, $url) = &Apache::lonnet::decode_symb($symb); 1275: $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url); 1276: 1277: if (!$resourceTitle) { # if the resource doesn't have a title, use the filename 1278: my $postdata = $helper->{VARS}->{'postdata'}; 1279: $resourceTitle = substr($postdata, rindex($postdata, '/') + 1); 1280: } 1281: $subdir = &Apache::lonnet::filelocation("", $url); 1282: } 1283: if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) { 1284: $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'}; 1285: } 1286: 1287: my $userCanSeeHidden = Apache::lonnavmaps::advancedUser(); 1288: my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or 1289: $ENV{'request.role'}=~m/^in\./ or 1290: $ENV{'request.role'}=~m/^ta\./); 1291: 1292: Apache::lonhelper::registerHelperTags(); 1293: 1294: # "Delete everything after the last slash." 1295: $subdir =~ s|/[^/]+$||; 1296: if (not $helper->{VARS}->{'construction'}) { 1297: $subdir='/home/httpd/html/res/'.$subdir; 1298: } 1299: # "Remove all duplicate slashes." 1300: $subdir =~ s|/+|/|g; 1301: 1302: # What can be printed is a very dynamic decision based on 1303: # lots of factors. So we need to dynamically build this list. 1304: # To prevent security leaks, states are only added to the wizard 1305: # if they can be reached, which ensures manipulating the form input 1306: # won't allow anyone to reach states they shouldn't have permission 1307: # to reach. 1308: 1309: # printChoices is tracking the kind of printing the user can 1310: # do, and will be used in a choices construction later. 1311: # In the meantime we will be adding states and elements to 1312: # the helper by hand. 1313: my $printChoices = []; 1314: my $paramHash; 1315: 1316: if ($resourceTitle) { 1317: push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (what you just saw on the screen)", 'current_document', 'PAGESIZE']; 1318: } 1319: 1320: # $r->print($helper->{VARS}->{'postdata'}); 1321: 1322: # Useful filter strings 1323: my $isProblem = '$res->is_problem()'; 1324: $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden; 1325: my $isProblemOrMap = '$res->is_problem() || $res->is_map()'; 1326: my $isNotMap = '!$res->is_map()'; 1327: $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden; 1328: my $isMap = '$res->is_map()'; 1329: my $symbFilter = '$res->symb()'; 1330: my $urlValue = '$res->src()'; 1331: 1332: $helper->declareVar('SEQUENCE'); 1333: 1334: # Useful for debugging: Dump the help vars 1335: #$r->print(Dumper($helper->{VARS})); 1336: #$r->print($map); 1337: 1338: # If we're in a sequence... 1339: if (($helper->{'VARS'}->{'construction'} ne '1') && 1340: $helper->{VARS}->{'postdata'} && 1341: $helper->{VARS}->{'assignment'}) { 1342: # Allow problems from sequence 1343: push @{$printChoices}, ["<b>Problems</b> in <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS']; 1344: # Allow all resources from sequence 1345: push @{$printChoices}, ["<b>Resources</b> in <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML']; 1346: 1347: my $helperFragment = <<HELPERFRAGMENT; 1348: <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print"> 1349: <message>(mark them then click "next" button) <br /></message> 1350: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"> 1351: <nextstate>PAGESIZE</nextstate> 1352: <filterfunc>return $isProblem;</filterfunc> 1353: <mapurl>$map</mapurl> 1354: <valuefunc>return $symbFilter;</valuefunc> 1355: </resource> 1356: </state> 1357: 1358: <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print"> 1359: <message>(mark them then click "next" button) <br /></message> 1360: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"> 1361: <nextstate>PAGESIZE</nextstate> 1362: <filterfunc>return $isNotMap;</filterfunc> 1363: <mapurl>$map</mapurl> 1364: <valuefunc>return $symbFilter;</valuefunc> 1365: </resource> 1366: </state> 1367: HELPERFRAGMENT 1368: 1369: &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 1370: } 1371: 1372: # If the user is priviledged, allow them to print all 1373: # problems in the course, optionally for selected students 1374: if ($userPriviledged && ($helper->{VARS}->{'postdata'}=~/\/res\//)) { 1375: push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS']; 1376: if ($helper->{VARS}->{'assignment'}) { 1377: push @{$printChoices}, ["<b>Problems</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'problems_for_students', 'CHOOSE_STUDENTS']; 1378: } 1379: 1380: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS); 1381: <state name="ALL_PROBLEMS" title="Select Problem(s) to print"> 1382: <message>(mark them then click "next" button) <br /></message> 1383: <resource variable="RESOURCES" multichoice="1" 1384: suppressEmptySequences='1' addstatus="1"> 1385: <nextstate>PAGESIZE</nextstate> 1386: <filterfunc>return $isProblemOrMap;</filterfunc> 1387: <choicefunc>return $isProblem;</choicefunc> 1388: <valuefunc>return $symbFilter;</valuefunc> 1389: </resource> 1390: </state> 1391: 1392: <state name="CHOOSE_STUDENTS" title="Select Students and Resources"> 1393: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" /> 1394: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message> 1395: <resource variable="RESOURCES" multichoice="1" addstatus="1"> 1396: <filterfunc>return $isProblem;</filterfunc> 1397: <mapurl>$map</mapurl> 1398: <valuefunc>return $symbFilter;</valuefunc> 1399: </resource> 1400: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> 1401: <choices variable="EMPTY_PAGES"> 1402: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 1403: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 1404: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 1405: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 1406: </choices> 1407: </state> 1408: CHOOSE_STUDENTS 1409: 1410: if ($helper->{VARS}->{'assignment'}) { 1411: push @{$printChoices}, ["<b>Resources</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'resources_for_students', 'CHOOSE_STUDENTS1']; 1412: } 1413: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1); 1414: <state name="CHOOSE_STUDENTS1" title="Select Students and Resources"> 1415: <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" /> 1416: <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message> 1417: <resource variable="RESOURCES" multichoice="1" addstatus="1"> 1418: <filterfunc>return $isNotMap;</filterfunc> 1419: <mapurl>$map</mapurl> 1420: <valuefunc>return $symbFilter;</valuefunc> 1421: </resource> 1422: <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> 1423: <choices variable="EMPTY_PAGES"> 1424: <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> 1425: <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> 1426: <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> 1427: <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> 1428: </choices> 1429: </state> 1430: CHOOSE_STUDENTS1 1431: 1432: } 1433: 1434: # FIXME: That RE should come from a library somewhere. 1435: if ((((&Apache::lonnet::allowed('bre',$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 $subdir ne '/home/httpd/html/res/') { 1436: push @{$printChoices}, ["<b>Problems</b> from current subdirectory <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR']; 1437: 1438: my $f = '$filename'; 1439: my $xmlfrag = <<CHOOSE_FROM_SUBDIR; 1440: <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print"> 1441: <message>(mark them then click "next" button) <br /></message> 1442: <files variable="FILES" multichoice='1'> 1443: <nextstate>PAGESIZE</nextstate> 1444: <filechoice>return '$subdir';</filechoice> 1445: CHOOSE_FROM_SUBDIR 1446: 1447: # this is broken up because I really want interpolation above, 1448: # and I really DON'T want it below 1449: $xmlfrag .= <<'CHOOSE_FROM_SUBDIR'; 1450: <filefilter>return Apache::lonhelper::files::not_old_version($filename) && 1451: $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/; 1452: </filefilter> 1453: </files> 1454: </state> 1455: CHOOSE_FROM_SUBDIR 1456: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 1457: } 1458: 1459: # Allow the user to select any sequence in the course, feed it to 1460: # another resource selector for that sequence 1461: if (!$helper->{VARS}->{'construction'}) { 1462: push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course", 1463: 'select_sequences', 'CHOOSE_SEQUENCE']; 1464: my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'}; 1465: #Escape apostrophes and backslashes for Perl 1466: $escapedSequenceName =~ s/\\/\\\\/g; 1467: $escapedSequenceName =~ s/'/\\'/g; 1468: &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE); 1469: <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From"> 1470: <message>Select the sequence to print resources from:</message> 1471: <resource variable="SEQUENCE"> 1472: <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate> 1473: <filterfunc>return \$res->is_sequence;</filterfunc> 1474: <valuefunc>return $urlValue;</valuefunc> 1475: </resource> 1476: </state> 1477: <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print"> 1478: <message>(mark desired resources then click "next" button) <br /></message> 1479: <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"> 1480: <nextstate>PAGESIZE</nextstate> 1481: <filterfunc>return $isProblem</filterfunc> 1482: <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl> 1483: <valuefunc>return $symbFilter;</valuefunc> 1484: </resource> 1485: </state> 1486: CHOOSE_FROM_ANY_SEQUENCE 1487: } 1488: 1489: # Generate the first state, to select which resources get printed. 1490: Apache::lonhelper::state->new("START", "Select Printing Options:"); 1491: $paramHash = Apache::lonhelper::getParamHash(); 1492: $paramHash->{MESSAGE_TEXT} = ""; 1493: Apache::lonhelper::message->new(); 1494: $paramHash = Apache::lonhelper::getParamHash(); 1495: $paramHash->{'variable'} = 'PRINT_TYPE'; 1496: $helper->declareVar('PRINT_TYPE'); 1497: $paramHash->{CHOICES} = $printChoices; 1498: Apache::lonhelper::choices->new(); 1499: 1500: my $startedTable = 0; # have we started an HTML table yet? (need 1501: # to close it later) 1502: 1503: if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or 1504: ($helper->{VARS}->{'construction'} eq '1')) { 1505: addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>"); 1506: $paramHash = Apache::lonhelper::getParamHash(); 1507: $paramHash->{'variable'} = 'ANSWER_TYPE'; 1508: $helper->declareVar('ANSWER_TYPE'); 1509: $paramHash->{CHOICES} = [ 1510: ['Without Answers', 'yes'], 1511: ['With Answers', 'no'], 1512: ['Only Answers', 'only'] ]; 1513: Apache::lonhelper::dropdown->new(); 1514: addMessage("</td></tr>"); 1515: $startedTable = 1; 1516: } 1517: 1518: if ($ENV{'request.role.adv'}) { 1519: if (!$startedTable) { 1520: addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>"); 1521: $startedTable = 1; 1522: } else { 1523: addMessage("<tr><td align='right'>LaTeX mode: </td><td>"); 1524: } 1525: $paramHash = Apache::lonhelper::getParamHash(); 1526: $paramHash->{'variable'} = 'LATEX_TYPE'; 1527: $helper->declareVar('LATEX_TYPE'); 1528: if ($helper->{VARS}->{'construction'} eq '1') { 1529: $paramHash->{CHOICES} = [ 1530: ['standard LaTeX mode', 'standard'], 1531: ['LaTeX batchmode', 'batchmode'], ]; 1532: } else { 1533: $paramHash->{CHOICES} = [ 1534: ['LaTeX batchmode', 'batchmode'], 1535: ['standard LaTeX mode', 'standard'] ]; 1536: } 1537: Apache::lonhelper::dropdown->new(); 1538: 1539: addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>"); 1540: $paramHash = Apache::lonhelper::getParamHash(); 1541: $paramHash->{'variable'} = 'TABLE_CONTENTS'; 1542: $helper->declareVar('TABLE_CONTENTS'); 1543: $paramHash->{CHOICES} = [ 1544: ['No', 'no'], 1545: ['Yes', 'yes'] ]; 1546: Apache::lonhelper::dropdown->new(); 1547: addMessage("</td></tr>"); 1548: 1549: if (not $helper->{VARS}->{'construction'}) { 1550: addMessage("<tr><td align='right'>Print Index: </td><td>"); 1551: $paramHash = Apache::lonhelper::getParamHash(); 1552: $paramHash->{'variable'} = 'TABLE_INDEX'; 1553: $helper->declareVar('TABLE_INDEX'); 1554: $paramHash->{CHOICES} = [ 1555: ['No', 'no'], 1556: ['Yes', 'yes'] ]; 1557: Apache::lonhelper::dropdown->new(); 1558: addMessage("</td></tr>"); 1559: } 1560: 1561: if ($helper->{'VARS'}->{'construction'}) { 1562: my $stylevalue=$ENV{'construct.style'}; 1563: my $xmlfrag .= <<"RNDSEED"; 1564: <message><tr><td align='right'>Use random seed: </td><td></message> 1565: <string variable="curseed" size="15" maxlength="15"> 1566: <defaultvalue> 1567: return $helper->{VARS}->{'curseed'}; 1568: </defaultvalue> 1569: </string> 1570: <message></td></tr><tr><td align="right">Use style file:</td><td></message> 1571: <message><input type="text" size="40" name="style_file_value" value="$stylevalue" />  <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message> 1572: <message></td></tr></message> 1573: RNDSEED 1574: &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); 1575: $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'}; 1576: } 1577: } 1578: 1579: 1580: 1581: 1582: if ($startedTable) { 1583: addMessage("</table>"); 1584: } 1585: 1586: Apache::lonprintout::page_format_state->new("FORMAT"); 1587: 1588: # Generate the PAGESIZE state which will offer the user the margin 1589: # choices if they select one column 1590: Apache::lonhelper::state->new("PAGESIZE", "Set Margins"); 1591: Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL'); 1592: 1593: 1594: $helper->process(); 1595: 1596: # MANUAL BAILOUT CONDITION: 1597: # If we're in the "final" state, bailout and return to handler 1598: if ($helper->{STATE} eq 'FINAL') { 1599: return $helper; 1600: } 1601: 1602: $r->print($helper->display()); 1603: 1604: Apache::lonhelper::unregisterHelperTags(); 1605: 1606: untie %hash; 1607: 1608: return OK; 1609: } 1610: 1611: 1612: 1; 1613: 1614: package Apache::lonprintout::page_format_state; 1615: 1616: =pod 1617: 1618: =head1 Helper element: page_format_state 1619: 1620: See lonhelper.pm documentation for discussion of the helper framework. 1621: 1622: Apache::lonprintout::page_format_state is an element that gives the 1623: user an opportunity to select the page layout they wish to print 1624: with: Number of columns, portrait/landscape, and paper size. If you 1625: want to change the paper size choices, change the @paperSize array 1626: contents in this package. 1627: 1628: page_format_state is always directly invoked in lonprintout.pm, so there 1629: is no tag interface. You actually pass parameters to the constructor. 1630: 1631: =over 4 1632: 1633: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 1634: 1635: =back 1636: 1637: =cut 1638: 1639: use Apache::lonhelper; 1640: 1641: no strict; 1642: @ISA = ("Apache::lonhelper::element"); 1643: use strict; 1644: use Apache::lonlocal; 1645: 1646: my $maxColumns = 2; 1647: my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 1648: "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]", 1649: "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]", 1650: "A5 [148x210 mm]", "A6 [105x148 mm]" ); 1651: 1652: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum | 1653: # Paper type 1654: 1655: sub new { 1656: my $self = Apache::lonhelper::element->new(); 1657: 1658: shift; 1659: 1660: $self->{'variable'} = shift; 1661: my $helper = Apache::lonhelper::getHelper(); 1662: $helper->declareVar($self->{'variable'}); 1663: bless($self); 1664: return $self; 1665: } 1666: 1667: sub render { 1668: my $self = shift; 1669: my $helper = Apache::lonhelper::getHelper(); 1670: my $result = ''; 1671: my $var = $self->{'variable'}; 1672: my $PageLayout=&mt('Page layout'); 1673: my $NumberOfColumns=&mt('Number of columns'); 1674: my $PaperType=&mt('Paper type'); 1675: $result .= <<STATEHTML; 1676: 1677: <hr width="33%" /> 1678: <table cellpadding="3"> 1679: <tr> 1680: <td align="center"><b>$PageLayout</b></td> 1681: <td align="center"><b>$NumberOfColumns</b></td> 1682: <td align="center"><b>$PaperType</b></td> 1683: </tr> 1684: <tr> 1685: <td> 1686: <input type="radio" name="${var}.layout" value="L" /> Landscape<br /> 1687: <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait 1688: </td> 1689: <td align="center"> 1690: <select name="${var}.cols"> 1691: STATEHTML 1692: 1693: my $i; 1694: for ($i = 1; $i <= $maxColumns; $i++) { 1695: if ($i == 2) { 1696: $result .= "<option value='$i' selected>$i</option>\n"; 1697: } else { 1698: $result .= "<option value='$i'>$i</option>\n"; 1699: } 1700: } 1701: 1702: $result .= "</select></td><td>\n"; 1703: $result .= "<select name='${var}.paper'>\n"; 1704: 1705: $i = 0; 1706: foreach (@paperSize) { 1707: if ($i == 0) { 1708: $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n"; 1709: } else { 1710: $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n"; 1711: } 1712: $i++; 1713: } 1714: 1715: $result .= "</select></td></tr></table>"; 1716: return $result; 1717: } 1718: 1719: sub postprocess { 1720: my $self = shift; 1721: 1722: my $var = $self->{'variable'}; 1723: my $helper = Apache::lonhelper->getHelper(); 1724: $helper->{VARS}->{$var} = 1725: $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' . 1726: $ENV{"form.$var.paper"}; 1727: return 1; 1728: } 1729: 1730: 1; 1731: 1732: package Apache::lonprintout::page_size_state; 1733: 1734: =pod 1735: 1736: =head1 Helper element: page_size_state 1737: 1738: See lonhelper.pm documentation for discussion of the helper framework. 1739: 1740: Apache::lonprintout::page_size_state is an element that gives the 1741: user the opportunity to further refine the page settings if they 1742: select a single-column page. 1743: 1744: page_size_state is always directly invoked in lonprintout.pm, so there 1745: is no tag interface. You actually pass parameters to the constructor. 1746: 1747: =over 4 1748: 1749: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. 1750: 1751: =back 1752: 1753: =cut 1754: 1755: use Apache::lonhelper; 1756: 1757: no strict; 1758: @ISA = ("Apache::lonhelper::element"); 1759: use strict; 1760: 1761: 1762: 1763: sub new { 1764: my $self = Apache::lonhelper::element->new(); 1765: 1766: shift; # disturbs me (probably prevents subclassing) but works (drops 1767: # package descriptor)... - Jeremy 1768: 1769: $self->{'variable'} = shift; 1770: my $helper = Apache::lonhelper::getHelper(); 1771: $helper->declareVar($self->{'variable'}); 1772: 1773: # The variable name of the format element, so we can look into 1774: # $helper->{VARS} to figure out whether the columns are one or two 1775: $self->{'formatvar'} = shift; 1776: 1777: # The state to transition to after selection, or after discovering 1778: # the cols are not set to 1 1779: $self->{NEXTSTATE} = shift; 1780: bless($self); 1781: return $self; 1782: } 1783: 1784: sub render { 1785: my $self = shift; 1786: my $helper = Apache::lonhelper::getHelper(); 1787: my $result = ''; 1788: my $var = $self->{'variable'}; 1789: 1790: if (defined $self->{ERROR_MSG}) { 1791: $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />'; 1792: } 1793: 1794: $result .= <<ELEMENTHTML; 1795: 1796: <p>How should the column be formatted?</p> 1797: 1798: <table cellpadding='3'> 1799: <tr> 1800: <td align='right'><b>Width</b>:</td> 1801: <td align='left'><input type='text' name='$var.width' value='18' size='4'></td> 1802: <td align='left'> 1803: <select name='$var.widthunit'> 1804: <option>cm</option><option>in</option> 1805: </select> 1806: </td> 1807: </tr> 1808: <tr> 1809: <td align='right'><b>Height</b>:</td> 1810: <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td> 1811: <td align='left'> 1812: <select name='$var.heightunit'> 1813: <option>cm</option><option>in</option> 1814: </select> 1815: </td> 1816: </tr> 1817: <tr> 1818: <td align='right'><b>Left margin</b>:</td> 1819: <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td> 1820: <td align='left'> 1821: <select name='$var.lmarginunit'> 1822: <option>cm</option><option>in</option> 1823: </select> 1824: </td> 1825: </tr> 1826: </table> 1827: 1828: <p>Hint: Some instructors like to leave scratch space for the student by 1829: making the width much smaller then the width of the page.</p> 1830: 1831: ELEMENTHTML 1832: 1833: return $result; 1834: } 1835: 1836: # If the user didn't select 1 column, skip this state. 1837: sub preprocess { 1838: my $self = shift; 1839: my $helper = Apache::lonhelper::getHelper(); 1840: 1841: my $format = $helper->{VARS}->{$self->{'formatvar'}}; 1842: if (substr($format, 2, 1) ne '1') { 1843: $helper->changeState($self->{NEXTSTATE}); 1844: } 1845: 1846: return 1; 1847: } 1848: 1849: sub postprocess { 1850: my $self = shift; 1851: 1852: my $var = $self->{'variable'}; 1853: my $helper = Apache::lonhelper->getHelper(); 1854: my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"}; 1855: my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"}; 1856: my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"}; 1857: $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"}; 1858: $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"}; 1859: $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"}; 1860: 1861: my $error = ''; 1862: 1863: # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 1864: # by an optional period, followed by digits, ending the string 1865: 1866: if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) { 1867: $error .= "Invalid width; please type only a number.<br />\n"; 1868: } 1869: if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) { 1870: $error .= "Invalid height; please type only a number.<br />\n"; 1871: } 1872: if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) { 1873: $error .= "Invalid left margin; please type only a number.<br />\n"; 1874: } 1875: 1876: if (!$error) { 1877: Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE}); 1878: return 1; 1879: } else { 1880: $self->{ERROR_MSG} = $error; 1881: return 0; 1882: } 1883: } 1884: 1885: 1886: 1887: __END__ 1888: