Annotation of loncom/interface/lonprintout.pm, revision 1.82

1.1       www         1: # The LearningOnline Network
                      2: # Printout
                      3: #
1.82    ! sakharuk    4: # $Id: lonprintout.pm,v 1.81 2002/10/22 22:07:50 sakharuk Exp $
1.11      albertel    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: #
1.1       www        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: #
1.3       sakharuk   38: # 9/17 Alex Sakharuk
                     39: #
1.1       www        40: package Apache::lonprintout;
                     41: 
                     42: use strict;
1.10      albertel   43: use Apache::Constants qw(:common :http);
1.2       sakharuk   44: use Apache::lonxml;
                     45: use Apache::lonnet;
1.54      sakharuk   46: use Apache::loncommon;
1.13      sakharuk   47: use Apache::inputtags;
1.54      sakharuk   48: use Apache::grades;
1.13      sakharuk   49: use Apache::edit;
1.5       sakharuk   50: use Apache::File();
1.68      sakharuk   51: use Apache::lonnavmaps;
1.34      sakharuk   52: use POSIX qw(strftime);
1.60      sakharuk   53: use GDBM_File;
                     54: 
                     55: 
                     56: my %hash;
1.76      sakharuk   57: my $LaTeXwidth = 0;
1.3       sakharuk   58: 
                     59: sub headerform {
1.1       www        60:     my $r = shift;
1.3       sakharuk   61:     $r->print(<<ENDHEADER);
                     62: <html>
                     63: <head>
                     64: <title>LON-CAPA output for printing</title>
                     65: </head>
                     66: <body bgcolor="FFFFFF">
                     67: <form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">
                     68: ENDHEADER
1.62      sakharuk   69:     if ($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) { 
                     70:     $r->print(<<ENDHEADER1);
                     71: <b>Path to current document: </b><tt>$ENV{'form.postdata'}</tt><p>
                     72: ENDHEADER1
                     73: }
1.3       sakharuk   74: }
                     75: 
1.1       www        76: 
1.3       sakharuk   77: sub menu_for_output {
                     78:     my $r = shift;
1.62      sakharuk   79:     my ($title_for_single_resource,$title_for_sequence,$title_for_main_map) = &details_for_menu;
1.60      sakharuk   80:     if ($title_for_single_resource ne '') {$title_for_single_resource = '"'.$title_for_single_resource.'"';}
                     81:     if ($title_for_sequence ne '') {$title_for_sequence = '"'.$title_for_sequence.'"';}
1.62      sakharuk   82:     if ($title_for_main_map ne '') {$title_for_main_map = '"'.$title_for_main_map.'"';}
                     83:     my $subdir_to_print = $ENV{'form.postdata'};
                     84:     $subdir_to_print =~ m/\/([^\/]+)$/;
                     85:     $subdir_to_print =~ s/$1//;
1.28      sakharuk   86:     $r->print(<<ENDMENUOUT1);
1.57      sakharuk   87: <h1>What do you want to print? Make a choice.</h1><br />
1.3       sakharuk   88: <input type="hidden" name="phase" value="two">
1.10      albertel   89: <input type="hidden" name="url" value="$ENV{'form.postdata'}">
1.60      sakharuk   90: <input type="radio" name="choice" value="Standard LaTeX output for current document" checked>  Current document <b>$title_for_single_resource</b>
1.65      sakharuk   91: (prints what you just saw on the screen)<br />
1.39      sakharuk   92: ENDMENUOUT1
1.48      sakharuk   93:     if ((not $ENV{'request.role'}=~m/^au\./) and (not $ENV{'request.role'}=~m/^ca\./)) {
1.52      sakharuk   94: 	$r->print(<<ENDMENUOUT2);
1.63      albertel   95: <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  All problems from <b>$title_for_sequence</b><br />
1.71      sakharuk   96: <input type="radio" name="choice" value="Standard LaTeX output for whole primary sequence">  All problems plus any pages or html/xml files from <b>$title_for_sequence</b><br />
1.28      sakharuk   97: ENDMENUOUT2
1.44      sakharuk   98:     }
1.52      sakharuk   99:     if ($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) { 
                    100: 	$r->print(<<ENDMENUOUT6);
1.62      sakharuk  101: <input type="radio" name="choice" value="Standard LaTeX output for the top level sequence">  All problems in this course (<b>warning:</b> this may be time consuming) <br />
1.59      sakharuk  102: <br />
1.63      albertel  103: <input type="radio" name="choice" value="All class print">  All problems from <b>$title_for_sequence</b> for selected students<br /><br />
1.52      sakharuk  104: ENDMENUOUT6
                    105:     }
1.39      sakharuk  106:       my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
                    107:       $subdirtoprint =~ s/\/[^\/]+$//;
                    108:       if (&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') {
                    109: 	  $r->print(<<ENDMENUOUT4);
1.62      sakharuk  110:   <input type="radio" name="choice" value="Subdirectory print">  Problems from current subdirectory <b>$subdir_to_print</b><br />
1.39      sakharuk  111: ENDMENUOUT4
                    112:       }
                    113:     $r->print(<<ENDMENUOUT5);
1.16      sakharuk  114: <br /><hr /><br />
                    115: <h1>And what page format do you prefer?</h1>
1.36      sakharuk  116: <table>
                    117:  <tr>
                    118:    <td>
                    119:      <input type="radio" name="layout" value="CBI"> Landscape <br />
                    120:      <input type="radio" name="layout" value="CAPA" checked>  Portrait <br />
                    121:    </td>
                    122:    <td>&nbsp;</td>
                    123:    <td rawspan="2">
1.44      sakharuk  124:      Number of columns: <select name="numberofcolumns">
1.59      sakharuk  125:                          <option> 1 </option>
                    126:                          <option selected> 2 </option>
1.44      sakharuk  127:                         </select> 
1.36      sakharuk  128:    </td>
1.59      sakharuk  129:    <td rawspan="2">
                    130:      Paper size (format [width x height]): <select name="papersize">
1.62      sakharuk  131:                                             <option selected> Letter [8 1/2x11 in] </option>
                    132:                                             <option> Legal [8 1/2x14 in] </option>
                    133:                                             <option> Ledger/Tabloid [11x17 in] </option>
                    134:                                             <option> Executive [7 1/2x10 in] </option>
1.59      sakharuk  135:                                             <option> A2 [420x594 mm] </option>
                    136:                                             <option> A3 [297x420 mm] </option>
                    137:                                             <option> A4 [210x297 mm] </option>
                    138:                                             <option> A5 [148x210 mm] </option>
                    139:                                             <option> A6 [105x148 mm] </option>
                    140:                                            </select> 
                    141:    </td>
1.36      sakharuk  142:  </tr>
                    143: </table>
                    144: </br> 
1.16      sakharuk  145: <input type="submit" value="Submit your choice">
1.52      sakharuk  146: ENDMENUOUT5
                    147: }
                    148: 
                    149: 
1.58      sakharuk  150: sub problem_choice_menu {
                    151:     my $r = shift;
                    152:     my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
                    153:     $subdirtoprint =~ s/\/[^\/]+$//;
                    154:     my @list_of_files = ();
                    155:     if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {
                    156: 	$subdirtoprint =~ s/^[^~]*~(\w+)\//\/home\/$1\/public_html\//;
                    157:     } else {
                    158: 	$subdirtoprint =~ s/.*(\/res\/)/$1/;
                    159:     }
                    160:     my @content_directory = ();
                    161:     if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {
                    162: 	@content_directory = &Apache::lonnet::dirlist($subdirtoprint,$ENV{'user.domain'}, $ENV{'user.name'},'');
                    163:     } else {
                    164: 	@content_directory = &Apache::lonnet::dirlist($subdirtoprint);
                    165:     }
                    166:     for (my $iy=0;$iy<=$#content_directory;$iy++) {
                    167: 	my @tempo_array = split(/&/,$content_directory[$iy]);
                    168: 	if ($tempo_array[0] =~ m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/) {
                    169: 	    push(@list_of_files,$tempo_array[0]);
                    170: 	}
                    171:     }
                    172:     $subdirtoprint =~ s/\/$//;
                    173:     for (my $i=0;$i<=$#list_of_files;$i++) {
                    174: 	$list_of_files[$i] = $subdirtoprint.'/'.$list_of_files[$i];
                    175:     }
                    176:     $r->print(<<ENDMENUOUT1);
                    177: <input type="hidden" name="url" value="$ENV{'form.url'}">
                    178: <input type="hidden" name="choice" value="$ENV{'form.choice'}">
                    179: <input type="hidden" name="layout" value="$ENV{'form.layout'}">
                    180: <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
                    181: <h1>Mark problems which you want to print</h1>
                    182: <script>
                    183:     function checkall() {
                    184: 	for (i=0; i<document.forms.printform.elements.length; i++) {
                    185:             if 
                    186:           (document.forms.printform.elements[i].name.indexOf('whattoprint')==0) {
                    187: 	      document.forms.printform.elements[i].checked=true;
                    188:             }
                    189:         }
                    190:     }
                    191: 
                    192: 
                    193:     function uncheckall() {
                    194: 	for (i=0; i<document.forms.printform.elements.length; i++) {
                    195:             if 
                    196:           (document.forms.printform.elements[i].name.indexOf('whattoprint')==0) {
                    197: 	      document.forms.printform.elements[i].checked=false;
                    198:             }
                    199:         }
                    200:     }
                    201: </script>
1.60      sakharuk  202: <input type=button onClick="checkall()" value="Check All">&nbsp;
                    203: <input type=button onClick="uncheckall()" value="Uncheck">
1.58      sakharuk  204: <p>
                    205: ENDMENUOUT1
1.82    ! sakharuk  206:     my $i=0;
1.58      sakharuk  207:     foreach my $file (@list_of_files) {
                    208: 	$r->print('<br /><input type=checkbox name="whattoprint'.$i.'" value="'.$file.'"> '.
                    209:                   $file);
                    210: 	$i++;
                    211:     }
                    212:     $r->print(<<ENDMENUOUT2);
                    213: <br />
                    214: <input type="hidden" name="numberofproblems" value="$i">
                    215: <input type="hidden" name="phase" value="three">
                    216: <input type="submit" value="Submit">
                    217: ENDMENUOUT2
                    218: }
                    219: 
                    220: 
1.52      sakharuk  221: sub additional_class_menu {
                    222:     my $r = shift;
                    223:     $r->print(<<ENDMENUOUT1);
                    224: <input type="hidden" name="url" value="$ENV{'form.url'}">
                    225: <input type="hidden" name="choice" value="$ENV{'form.choice'}">
                    226: <input type="hidden" name="layout" value="$ENV{'form.layout'}">
                    227: <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
1.78      sakharuk  228: <h1>Select student(s) whose assignment you want to print</h1>
1.52      sakharuk  229: ENDMENUOUT1
1.57      sakharuk  230:     my %courselist=&Apache::lonnet::dump(
                    231:                    'classlist',
                    232: 		   $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                    233: 		   $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
                    234:     my $now=time;
                    235:     $r->print(<<ENDDISHEADER);
                    236: <script>
                    237:     function checkall() {
                    238: 	for (i=0; i<document.forms.printform.elements.length; i++) {
                    239:             if 
                    240:           (document.forms.printform.elements[i].name.indexOf('whomtoprint')==0) {
                    241: 	      document.forms.printform.elements[i].checked=true;
                    242:             }
                    243:         }
                    244:     }
                    245: 
                    246:     function checksec() {
                    247: 	for (i=0; i<document.forms.printform.elements.length; i++) {
                    248:             if 
                    249:           (document.forms.printform.elements[i].value.indexOf
                    250:            (document.forms.printform.chksec.value)==0) {
                    251: 	      document.forms.printform.elements[i].checked=true;
                    252:             }
                    253:         }
                    254:     }
                    255: 
                    256:     function uncheckall() {
                    257: 	for (i=0; i<document.forms.printform.elements.length; i++) {
                    258:             if 
                    259:           (document.forms.printform.elements[i].name.indexOf('whomtoprint')==0) {
                    260: 	      document.forms.printform.elements[i].checked=false;
                    261:             }
                    262:         }
1.52      sakharuk  263:     }
1.57      sakharuk  264: </script>
1.60      sakharuk  265: <input type=button onClick="checkall()" value="Check All">&nbsp;
                    266: <input type=button onClick="checksec()" value="Check Section/Group">
1.57      sakharuk  267: <input type=text size=5 name=chksec>&nbsp;
1.60      sakharuk  268: <input type=button onClick="uncheckall()" value="Uncheck">
1.57      sakharuk  269: <p>
                    270: ENDDISHEADER
1.54      sakharuk  271:     my $i = 0;
1.57      sakharuk  272:     foreach (sort keys %courselist) {
                    273:         my ($end,$start)=split(/\:/,$courselist{$_});
                    274:         my $active=1;
                    275:         if (($end) && ($now>$end)) { $active=0; }
                    276:         if ($active) {
                    277:            my ($sname,$sdom)=split(/\:/,$_);
                    278:            my %reply=&Apache::lonnet::get('environment',
                    279:               ['firstname','middlename','lastname','generation'],
                    280:               $sdom,$sname);
                    281:            my $section=&Apache::lonnet::usection
                    282: 	       ($sdom,$sname,$ENV{'request.course.id'});
                    283:            $r->print(
                    284:         '<br /><input type=checkbox name="whomtoprint'.$i.'" value="'.$section.':'.$_.'"> '.
                    285: 		      $reply{'firstname'}.' '. 
                    286:                       $reply{'middlename'}.' '.
                    287:                       $reply{'lastname'}.' '.
                    288:                       $reply{'generation'}.
                    289:                       ' ('.$_.') '.$section);
                    290: 	   $i++;
                    291:         } 
1.52      sakharuk  292:     }
                    293:     $r->print(<<ENDMENUOUT2);
1.57      sakharuk  294: <br />
1.76      sakharuk  295: <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">
1.54      sakharuk  296: <input type="hidden" name="numberofstudents" value="$i">
1.52      sakharuk  297: <input type="hidden" name="phase" value="three">
                    298: <input type="submit" value="Submit">
                    299: ENDMENUOUT2
                    300: }
                    301: 
                    302: 
                    303: sub additional_print_menu { 
                    304:     my $r = shift;
1.54      sakharuk  305:     my $what_to_print = '';
                    306:     for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {
                    307: 	$what_to_print .= '<input type="hidden" name="whomtoprint'.$i.'" value="'.$ENV{'form.whomtoprint'.$i}.'">';
                    308:     }
1.58      sakharuk  309:     for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) {
                    310: 	$what_to_print .= '<input type="hidden" name="whattoprint'.$i.'" value="'.$ENV{'form.whattoprint'.$i}.'">';
                    311:     }
1.52      sakharuk  312:     $r->print(<<ENDMENUOUT);
1.54      sakharuk  313:     $what_to_print
1.52      sakharuk  314: <input type="hidden" name="url" value="$ENV{'form.url'}">
                    315: <input type="hidden" name="choice" value="$ENV{'form.choice'}">
                    316: <input type="hidden" name="layout" value="$ENV{'form.layout'}">
1.76      sakharuk  317: <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">
1.54      sakharuk  318: <input type="hidden" name="numberofstudents" value="$ENV{'form.numberofstudents'}">
1.58      sakharuk  319: <input type="hidden" name="numberofproblems" value="$ENV{'form.numberofproblems'}">
1.52      sakharuk  320: <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
1.73      sakharuk  321: Define one column layout parameters: <br />
1.57      sakharuk  322: <b>Width</b>: <input type="text" name="width" width="8" value="9cm"> <br />
                    323: <b>Height</b>: <input type="text" name="height" width="8" value="25.9cm"> <br />
                    324: <b>Left margin</b>: <input type="text" name="leftmargin" width="8" value="-0.57in"> <br />
1.52      sakharuk  325: <input type="hidden" name="phase" value="four">
                    326: <input type="submit" value="Submit">
1.3       sakharuk  327: </form>
                    328: </body>
                    329: </html>
1.52      sakharuk  330: ENDMENUOUT
1.3       sakharuk  331: }
1.2       sakharuk  332: 
                    333: 
1.3       sakharuk  334: sub output_data {
                    335:     my $r = shift;
                    336:     $r->print(<<ENDPART);
                    337: <html>
                    338: <head>
                    339: <title>LON-CAPA output for printing</title>
                    340: </head>
                    341: <body bgcolor="FFFFFF">
                    342: <hr>
                    343: ENDPART
1.2       sakharuk  344: 
1.3       sakharuk  345:     my $choice = $ENV{'form.choice'};
1.16      sakharuk  346:     my $layout = $ENV{'form.layout'};
1.74      sakharuk  347:     my $numberofcolumns = $ENV{'form.numberofcolumns'};  
                    348:     my $papersize = $ENV{'form.papersize'};          
1.16      sakharuk  349:     my $laystyle = 'book';
1.82    ! sakharuk  350:     if ($choice eq 'Subdirectory print') {
        !           351: 	$layout = 'CAPA';
        !           352: 	$papersize = 'Letter [8 1/2x11 in]';
        !           353: 	$numberofcolumns = 2;
        !           354:     }
        !           355:     if (($choice eq 'Standard LaTeX output for current document') && ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./)) {
        !           356: 	$layout = 'CAPA';
        !           357: 	$papersize = 'Letter [8 1/2x11 in]';
        !           358: 	$numberofcolumns = 1;
        !           359:     }
1.2       sakharuk  360:     my $result = '';
1.71      sakharuk  361:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
1.59      sakharuk  362:     my $selectionmade = '';
1.76      sakharuk  363:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns);
                    364:     my $LaTeXwidth;
1.36      sakharuk  365:  
1.76      sakharuk  366:     if ($textwidth=~/(\d+\s*cm)/) {
                    367: 	$LaTeXwidth = $1*10;
                    368:     } elsif ($textwidth=~/(\d+\s*mm)/) {
                    369: 	$LaTeXwidth = $1;
                    370:     }
1.3       sakharuk  371:     if ($choice eq 'Standard LaTeX output for current document') {
1.36      sakharuk  372:       #-- single document - problem, page, html, xml  
1.59      sakharuk  373:       $selectionmade = 1;
1.14      albertel  374:       my %moreenv;
                    375:       $moreenv{'form.grade_target'}='tex';
1.48      sakharuk  376:       if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {
                    377: 	  $ENV{'form.url'}=~s/http:\/\/[^\/]+//;
                    378:       }
1.14      albertel  379:       $moreenv{'request.filename'}=$ENV{'form.url'};
1.76      sakharuk  380:       $moreenv{'form.textwidth'}=$LaTeXwidth;
1.14      albertel  381:       &Apache::lonnet::appenv(%moreenv);
                    382:       my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});
1.79      sakharuk  383:       &Apache::lonnet::delenv('form.grade_target','form.textwidth','form.counter');
1.14      albertel  384:       $result .= $texversion;
1.40      sakharuk  385:       if ($ENV{'form.url'}=~m/\.page\s*$/) {
                    386: 	  ($result,$number_of_columns) = &page_cleanup($result);
                    387:       }
                    388:     } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or 
                    389:              $choice eq 'Standard LaTeX output for whole primary sequence') {
1.36      sakharuk  390:       #-- minimal sequence to which the current document belongs
                    391:         #-- where is the primary sequence containing file?
1.18      sakharuk  392: 	my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
1.74      sakharuk  393: 	my @sequence = split('___',$symbolic);
                    394: 	my $primary_sequence = '/res/'.$sequence[0];   
                    395: 	my @master_seq = &coming_from_hash($primary_sequence,$sequence[0]);
1.36      sakharuk  396:         #-- produce an output string
1.71      sakharuk  397: 	my $flag_latex_header_remove = 'NO';
                    398: 	my $flag_page_in_sequence = 'NO';
1.18      sakharuk  399: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.68      sakharuk  400:             my ($urlp,$symb) = split /&&/, $master_seq[$i];		
1.20      sakharuk  401: 	    if ($choice eq 'Standard LaTeX output for the primary sequence') {
1.72      sakharuk  402:             #prints only problems
1.59      sakharuk  403: 		$selectionmade = 2;
1.61      sakharuk  404:  		if ($urlp =~ m/\.(problem|exam|quiz|assess|survey|form|library)/) {
1.20      sakharuk  405: 		    my %moreenv;
                    406: 		    $moreenv{'form.grade_target'}='tex';
1.76      sakharuk  407: 		    $moreenv{'form.textwidth'}=$LaTeXwidth;
1.20      sakharuk  408: 		    &Apache::lonnet::appenv(%moreenv);
1.74      sakharuk  409: 		    &Apache::lonnet::logthis("Trying to get $urlp with symb $symb");
1.68      sakharuk  410: 		    my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));
1.76      sakharuk  411: 		    &Apache::lonnet::delenv('form.grade_target','form.textwidth');
1.71      sakharuk  412: 		    if ($flag_latex_header_remove ne 'NO') {
                    413: 			$texversion = &latex_header_footer_remove($texversion);
                    414: 		    } else {
                    415: 			$texversion =~ s/\\end{document}//;
                    416: 		    }
1.20      sakharuk  417: 		    $result .= $texversion;        
1.71      sakharuk  418: 		    $flag_latex_header_remove = 'YES';
1.20      sakharuk  419: 		}
1.53      albertel  420: 	    } elsif ($urlp =~ /\S+/) {
1.72      sakharuk  421:               #prints problems, pages and any html/xml files
1.59      sakharuk  422: 		$selectionmade = 3;
1.36      sakharuk  423: 		my %moreenv;
1.18      sakharuk  424: 		$moreenv{'form.grade_target'}='tex';
                    425: 		&Apache::lonnet::appenv(%moreenv);
1.69      sakharuk  426: 		my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));
1.18      sakharuk  427: 		&Apache::lonnet::delenv('form.grade_target');
1.71      sakharuk  428: 		if ($urlp =~ m/\.page/) {
                    429: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                    430: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                    431: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                    432: 		    $flag_page_in_sequence = 'YES';
                    433: 		} 
                    434: 		if ($flag_latex_header_remove ne 'NO') {
                    435: 		    $texversion = &latex_header_footer_remove($texversion);
                    436: 		} else {
                    437: 		    $texversion =~ s/\\end{document}//;
                    438: 		}
                    439: 		$result .= $texversion;         
                    440: 		$flag_latex_header_remove = 'YES';   
1.16      sakharuk  441: 	    }
1.77      sakharuk  442: 	}
                    443: 	&Apache::lonnet::delenv('form.counter');
1.71      sakharuk  444: 	if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}	
                    445: 	$result .= '\end{document}';
1.13      sakharuk  446:     }  elsif ($choice eq 'Standard LaTeX output for the top level sequence') {
1.47      sakharuk  447:         # where is the main sequence of the course?
1.59      sakharuk  448: 	$selectionmade = 4;
1.13      sakharuk  449: 	my $main_seq = '/res/'.$ENV{'request.course.uri'};
1.74      sakharuk  450: 	my @file_seq = &coming_from_hash_whole($main_seq);
1.72      sakharuk  451: 	my $flag_latex_header_remove = 'NO';
1.52      sakharuk  452:         #-- produce an output string
1.49      sakharuk  453: 	for (my $i=0;$i<=$#file_seq;$i++) {
1.69      sakharuk  454:             my ($urlp,$symb) = split /&&/, $file_seq[$i];
1.49      sakharuk  455: 	    $urlp=~s/\/home\/httpd\/html//;	    
                    456:             if ($urlp=~m/\.(problem|exam|quiz|assess|survey|form|library)/) {
                    457: 		my %moreenv;
                    458: 		$moreenv{'form.grade_target'}='tex';
1.76      sakharuk  459: 		$moreenv{'form.textwidth'}=$LaTeXwidth;
1.49      sakharuk  460: 		&Apache::lonnet::appenv(%moreenv);
1.74      sakharuk  461: 		my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));
1.76      sakharuk  462: 		&Apache::lonnet::delenv('form.grade_target','form.textwidth');		    
1.72      sakharuk  463: 		if ($flag_latex_header_remove ne 'NO') {
                    464: 		    $texversion = &latex_header_footer_remove($texversion);
                    465: 		} else {
                    466: 		    $texversion =~ s/\\end{document}//;
                    467: 		}
1.74      sakharuk  468: 		$result .= $texversion;  
                    469: 		$flag_latex_header_remove = 'YES';
1.72      sakharuk  470: 	    }		
1.49      sakharuk  471: 	}	    
1.72      sakharuk  472: 	$result .= '\end{document}';
1.52      sakharuk  473:     } elsif ($choice eq 'All class print') { 
1.54      sakharuk  474:     #-- prints assignments for whole class or for selected students  
1.59      sakharuk  475: 	$selectionmade = 5;
1.73      sakharuk  476:         my @students = ();
1.54      sakharuk  477: 	for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {
                    478: 	    if ($ENV{'form.whomtoprint'.$i}=~/:/) {
                    479: 		push @students,$ENV{'form.whomtoprint'.$i};
                    480: 	    }
                    481: 	}
                    482: 	#where is the primary sequence containing current resource (the same for all students)?
                    483: 	my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
1.74      sakharuk  484: 	my @sequence = split('___',$symbolic);
                    485: 	my $primary_sequence = '/res/'.$sequence[0]; 	
1.75      sakharuk  486: 	my @master_seq = &coming_from_hash($primary_sequence,$sequence[0]); 
1.72      sakharuk  487:         #loop over students
1.80      sakharuk  488: 	my $flag_latex_header_remove = 'NO'; 
                    489: 	my %moreenv;
                    490: 	$moreenv{'form.textwidth'}=$LaTeXwidth;
                    491: 	&Apache::lonnet::appenv(%moreenv);
1.54      sakharuk  492: 	foreach my $person (@students) {
                    493: 	    my $current_output = ''; 
1.57      sakharuk  494: 	    my ($usersection,$username,$userdomain) = split /:/,$person;
1.54      sakharuk  495: 	    my $fullname = &Apache::grades::get_fullname($username,$userdomain);
1.72      sakharuk  496:             #goes through all resources, checks if they are available for current student, and produces output   
1.69      sakharuk  497: 	    foreach my $curresline (@master_seq)  {
                    498: 		my ($curres,$symb) = split /&&/, $curresline;
1.73      sakharuk  499:                 if ($curres=~ m/\.(problem|exam|quiz|assess|survey|form|library)/) {
1.54      sakharuk  500: 		    my ($map,$id,$res_url) = split(/___/,$symb);
                    501: 		    if (&Apache::lonnet::allowed('bre',$res_url)) {
                    502: 			my $rendered = &Apache::loncommon::get_student_view($symb,$username,$userdomain,
                    503:                                                                         $ENV{'request.course.id'},'tex');
1.73      sakharuk  504: 			if ($flag_latex_header_remove eq 'YES') {
1.72      sakharuk  505: 			    $rendered = &latex_header_footer_remove($rendered);
                    506: 			} else {
                    507: 			    $rendered =~ s/\\end{document}//;
                    508: 			}
1.54      sakharuk  509: 			$current_output .= $rendered;
                    510: 		    }
1.73      sakharuk  511: 		    $flag_latex_header_remove = 'YES';
1.54      sakharuk  512: 		}
1.72      sakharuk  513: 	    }
                    514: 	    if ($current_output=~/\\documentclass/) {
                    515: 		$current_output =~ s/\\begin{document}/\\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$fullname}}\\hskip 1\.4in } \\vskip 5 mm /;
                    516: 	    } else {
                    517: 		$current_output = '\\vskip 3mm\noindent\parbox{\minipagewidth}{\noindent\fbox{\textbf{'.$fullname.'}}\hskip 1.4in } \vskip 5 mm '.$current_output;
1.54      sakharuk  518: 	    }
                    519: 	    $result .= $current_output;
1.80      sakharuk  520: 	    &Apache::lonnet::delenv('form.counter');
1.54      sakharuk  521: 	}
1.80      sakharuk  522: 	$result .= '\end{document}';
                    523: 	&Apache::lonnet::delenv('form.textwidth');
1.31      sakharuk  524:     } elsif ($choice eq 'Subdirectory print') {      
1.58      sakharuk  525:     #prints selected problems from the subdirectory 
1.59      sakharuk  526: 	$selectionmade = 6;
1.58      sakharuk  527:         my @list_of_files = ();
                    528: 	for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) {
                    529: 	    if ($ENV{'form.whattoprint'.$i}=~/^\//) {
                    530: 		push @list_of_files,$ENV{'form.whattoprint'.$i};
1.28      sakharuk  531: 	    }
1.72      sakharuk  532: 	}	
                    533: 	my $flag_latex_header_remove = 'NO';  
1.31      sakharuk  534: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.58      sakharuk  535: 	    my $urlp = $list_of_files[$i];
                    536: 	    if ($urlp=~/\//) {
                    537: 		my %moreenv;
                    538: 		$moreenv{'form.grade_target'}='tex';
1.76      sakharuk  539: 		$moreenv{'form.textwidth'}=$LaTeXwidth;
1.58      sakharuk  540: 		&Apache::lonnet::appenv(%moreenv);
                    541: 		if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) { 
                    542: 		    $urlp =~ s/\/home\/([^\/]*)\/public_html/\/~$1/; 
                    543: 		}
                    544: 		my $texversion=&Apache::lonnet::ssi($urlp);
1.76      sakharuk  545: 		&Apache::lonnet::delenv('form.grade_target','form.textwidth');
1.58      sakharuk  546: 		$texversion =~ s/(\\begin{document})/$1 {\\tiny\\begin{verbatim}$urlp\\end{verbatim}}/;
1.72      sakharuk  547: 		if ($flag_latex_header_remove ne 'NO') {
                    548: 		    $texversion = &latex_header_footer_remove($texversion);
                    549: 		} else {
                    550: 		    $texversion =~ s/\\end{document}//;
                    551: 		}
1.58      sakharuk  552: 		$result .= $texversion;
1.72      sakharuk  553: 	    }
                    554: 	    $flag_latex_header_remove = 'YES';  
1.31      sakharuk  555: 	}
1.72      sakharuk  556: 	$result .= '\end{document}';      	
1.7       sakharuk  557:     }
1.74      sakharuk  558: #-------------------------------------------------------- corrections for the different page formats
1.76      sakharuk  559:     $result = &page_format_transformation($papersize,$layout,$numberofcolumns,$choice,$result);
                    560:     if ($layout eq 'CBI') {
1.16      sakharuk  561:         $laystyle = 'album';
                    562:     }
1.76      sakharuk  563:     $result = &latex_corrections($number_of_columns,$result);
1.52      sakharuk  564:     #changes page's parameters for the one column output 
                    565:     if ($ENV{'form.numberofcolumns'} == 1) {
                    566: 	$result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/;
1.59      sakharuk  567: 	$result =~ s/\\textheight 25\.9cm/\\textheight $ENV{'form.height'}/;
                    568: 	$result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $ENV{'form.leftmargin'}/;
                    569: 	$result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $ENV{'form.leftmargin'}/;
1.52      sakharuk  570:     }
1.7       sakharuk  571: #-- writing .tex file in prtspool 
1.16      sakharuk  572:     my $temp_file;
1.33      sakharuk  573:     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
1.16      sakharuk  574:     unless ($temp_file = Apache::File->new('>'.$filename)) {
                    575: 	$r->log_error("Couldn't open $filename for output $!");
                    576: 	return SERVER_ERROR; 
                    577:     } 
                    578:     print $temp_file $result;
1.3       sakharuk  579: $r->print(<<FINALEND);
1.59      sakharuk  580: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
1.3       sakharuk  581: </body>
                    582: </html>
                    583: FINALEND
                    584: }
1.61      sakharuk  585: 
                    586: 
1.73      sakharuk  587: sub coming_from_hash_whole {
                    588: 
                    589:     my $mainsequence = shift;
                    590:     my @resourcelist = ();
                    591:     my $mapid = $hash{'map_pc_'.$mainsequence};
                    592:     my $mapstart = $hash{'map_start_'.$mainsequence};
                    593:     my $mapfinish = $hash{'map_finish_'.$mainsequence};
                    594:     my $current_resource = $mapstart;
                    595:     while ($current_resource ne $mapfinish) {
                    596: 	if ($hash{'src_'.$current_resource}=~/\.sequence$/) {
1.74      sakharuk  597: 	    push @resourcelist,&coming_from_hash_whole($hash{'src_'.$current_resource});
1.73      sakharuk  598: 	} else {
1.74      sakharuk  599:             $mainsequence =~ /\/res\/(.*)$/;
                    600: 	    my $presymb = $1;
                    601: 	    my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}};
                    602:             if ($rid=~/,/) {
                    603: 		my @rid = split /,/, $rid;
                    604: 		foreach my $rid_element (@rid) {
                    605: 		    if ($rid_element =~ m/^$mapid\.(\d*)/) {
                    606: 			$rid = $1; 
                    607: 			last;
                    608: 		    }
                    609: 		}
                    610: 	    } else {
                    611: 		$rid =~ m/^$mapid\.(\d*)/;
                    612:                 $rid = $1;  
                    613: 	    }
                    614: 	    $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/;
                    615: 	    my $symb = $presymb.'___'.$rid.'___'.$1;	    
                    616: 	    push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb;
1.73      sakharuk  617: 	}
1.74      sakharuk  618: 	$current_resource = $hash{'goesto_'.$hash{'to_'.$current_resource}};
1.73      sakharuk  619:     }
                    620:     return @resourcelist;
                    621: }
                    622: 
                    623: 
1.61      sakharuk  624: sub coming_from_hash {
                    625: 
1.73      sakharuk  626:     my ($mainsequence,$symb) = @_;
1.61      sakharuk  627:     my @resourcelist = ();
1.68      sakharuk  628:     my $mapid = $hash{'map_pc_'.$mainsequence};
1.61      sakharuk  629:     my $mapstart = $hash{'map_start_'.$mainsequence};
                    630:     my $mapfinish = $hash{'map_finish_'.$mainsequence};
1.70      albertel  631:     my ($presymb) = split(/___/,$symb);
                    632:     $presymb = $presymb.'___';
1.61      sakharuk  633:     my $current_resource = $mapstart;
                    634:     while ($current_resource ne $mapfinish) {
                    635: 	if (not $hash{'src_'.$current_resource}=~/\.sequence$/) {
1.68      sakharuk  636: 	    my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}};
                    637:             if ($rid=~/,/) {
                    638: 		my @rid = split /,/, $rid;
                    639: 		foreach my $rid_element (@rid) {
                    640: 		    if ($rid_element =~ m/^$mapid\.(\d*)/) {
                    641: 			$rid = $1; 
                    642: 			last;
                    643: 		    }
                    644: 		}
                    645: 	    } else {
                    646: 		$rid =~ m/^$mapid\.(\d*)/;
                    647:                 $rid = $1;  
                    648: 	    }
                    649: 	    $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/;
                    650: 	    $symb = $presymb.$rid.'___'.$1;
                    651: 	    push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb;
1.61      sakharuk  652: 	} else {
                    653: 	    push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource});
                    654: 	}
                    655: 	$current_resource = $hash{'goesto_'.$hash{'to_'.$current_resource}};
                    656:     }
1.68      sakharuk  657:     #needs if final resource in the map (type="finish") contains something
1.65      sakharuk  658:     if (not $hash{'src_'.$current_resource}=~/\.sequence$/) {
1.68      sakharuk  659: 		    my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}};
                    660:             if ($rid=~/,/) {
                    661: 		my @rid = split /,/, $rid;
                    662: 		foreach my $rid_element (@rid) {
                    663: 		    if ($rid_element =~ m/^$mapid\.(\d*)/) {
                    664: 			$rid = $1; 
                    665: 			last;
                    666: 		    }
                    667: 		}
                    668: 	    } else {
                    669: 		$rid =~ m/^$mapid\.(\d*)/;
                    670:                 $rid = $1;  
                    671: 	    }
                    672: 	    $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/;
                    673: 	    $symb = $presymb.$rid.'___'.$1;
                    674: 	push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb;
1.65      sakharuk  675:     } else {
                    676: 	push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource});
                    677:     }
1.61      sakharuk  678:     return @resourcelist;
                    679: }
                    680: 
1.2       sakharuk  681: 
1.71      sakharuk  682: sub latex_header_footer_remove {
                    683:     my $text = shift;
                    684:     $text =~ s/\\end{document}//;
                    685:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    686:     return $text;
                    687: }
                    688: 
                    689: 
1.37      sakharuk  690: sub character_chart {
                    691:     my $result = shift;	
1.41      sakharuk  692:     $result =~ s/&#0?0?7;//g;
1.40      sakharuk  693:     $result =~ s/&#0?0?9;//g;
                    694:     $result =~ s/&#0?10;//g;
                    695:     $result =~ s/&#0?13;//g;
                    696:     $result =~ s/&#0?32;/ /g;
                    697:     $result =~ s/&#0?33;/!/g;
                    698:     $result =~ s/&#0?34;/"/g;
1.76      sakharuk  699:     $result =~ s/&quot;/"/g;   #"
1.40      sakharuk  700:     $result =~ s/&#0?35;/\\#/g;
                    701: #    $result =~ s/&#0?36;/\\\$/g;
                    702:     $result =~ s/&#0?37;/\\%/g; 
                    703:     $result =~ s/&#0?38;/\\&/g; 
1.37      sakharuk  704:     $result =~ s/&amp;/\\&/g;
1.40      sakharuk  705:     $result =~ s/&#0?39;/'/g;
                    706:     $result =~ s/&#0?40;/(/g;
                    707:     $result =~ s/&#0?41;/)/g;
                    708:     $result =~ s/&#0?42;/\*/g;
                    709:     $result =~ s/&#0?43;/\+/g;
                    710:     $result =~ s/&#0?44;/,/g;
                    711:     $result =~ s/&#0?45;/-/g;
                    712:     $result =~ s/&#0?46;/\./g;
                    713:     $result =~ s/&#0?47;/\//g;
                    714:     $result =~ s/&#0?48;/0/g;
                    715:     $result =~ s/&#0?49;/1/g;
                    716:     $result =~ s/&#0?50;/2/g;
                    717:     $result =~ s/&#0?51;/3/g;
                    718:     $result =~ s/&#0?52;/4/g;
                    719:     $result =~ s/&#0?53;/5/g;
                    720:     $result =~ s/&#0?54;/6/g;
                    721:     $result =~ s/&#0?55;/7/g;
                    722:     $result =~ s/&#0?56;/8/g;
                    723:     $result =~ s/&#0?57;/9/g;
                    724:     $result =~ s/&#0?58;/:/g;
                    725:     $result =~ s/&#0?59;/;/g;
                    726:     $result =~ s/&#0?60;/\$<\$/g;
1.37      sakharuk  727:     $result =~ s/&lt;/\$<\$/g;
1.40      sakharuk  728:     $result =~ s/&#0?61;/\$=\$/g;
                    729:     $result =~ s/&#0?62;/\$>\$/g;
1.37      sakharuk  730:     $result =~ s/&gt;/\$>\$/g;
1.40      sakharuk  731:     $result =~ s/&#0?63;/?/g;
                    732: #    $result =~ s/&#0?64;//g;
                    733:     $result =~ s/&#0?65;/A/g;
                    734:     $result =~ s/&#0?66;/B/g;
                    735:     $result =~ s/&#0?67;/C/g;
                    736:     $result =~ s/&#0?68;/D/g;
                    737:     $result =~ s/&#0?69;/E/g;
                    738:     $result =~ s/&#0?70;/F/g;
                    739:     $result =~ s/&#0?71;/G/g;
                    740:     $result =~ s/&#0?72;/H/g;
                    741:     $result =~ s/&#0?73;/I/g;
                    742:     $result =~ s/&#0?74;/J/g;
                    743:     $result =~ s/&#0?75;/K/g;
                    744:     $result =~ s/&#0?76;/L/g;
                    745:     $result =~ s/&#0?77;/M/g;
                    746:     $result =~ s/&#0?78;/N/g;
                    747:     $result =~ s/&#0?79;/O/g;
                    748:     $result =~ s/&#0?80;/P/g;
                    749:     $result =~ s/&#0?81;/Q/g;
                    750:     $result =~ s/&#0?82;/R/g;
                    751:     $result =~ s/&#0?83;/S/g;
                    752:     $result =~ s/&#0?84;/T/g;
                    753:     $result =~ s/&#0?85;/U/g;
                    754:     $result =~ s/&#0?86;/V/g;
                    755:     $result =~ s/&#0?87;/W/g;
                    756:     $result =~ s/&#0?88;/X/g;
                    757:     $result =~ s/&#0?89;/Y/g;
                    758:     $result =~ s/&#0?90;/Z/g;
                    759:     $result =~ s/&#0?91;/[/g;
                    760:     $result =~ s/&#0?92;/\\/g;
                    761:     $result =~ s/&#0?93;/]/g;
                    762: #    $result =~ s/&#0?94;//g;
                    763: #    $result =~ s/&#0?95;//g;
                    764:     $result =~ s/&#0?96;/`/g;
                    765:     $result =~ s/&#0?97;/a/g;
                    766:     $result =~ s/&#0?98;/b/g;
                    767:     $result =~ s/&#0?99;/c/g;
1.37      sakharuk  768:     $result =~ s/&#100;/d/g;
                    769:     $result =~ s/&#101;/e/g;
                    770:     $result =~ s/&#102;/f/g;
                    771:     $result =~ s/&#103;/g/g;
                    772:     $result =~ s/&#104;/h/g;
                    773:     $result =~ s/&#105;/i/g;
                    774:     $result =~ s/&#106;/j/g;
                    775:     $result =~ s/&#107;/k/g;
                    776:     $result =~ s/&#108;/l/g;
                    777:     $result =~ s/&#109;/m/g;
                    778:     $result =~ s/&#110;/n/g;
                    779:     $result =~ s/&#111;/o/g;
                    780:     $result =~ s/&#112;/p/g;
                    781:     $result =~ s/&#113;/q/g;
                    782:     $result =~ s/&#114;/r/g;
                    783:     $result =~ s/&#115;/s/g;
                    784:     $result =~ s/&#116;/t/g;
                    785:     $result =~ s/&#117;/u/g;
                    786:     $result =~ s/&#118;/v/g;
                    787:     $result =~ s/&#119;/w/g;
                    788:     $result =~ s/&#120;/x/g;
                    789:     $result =~ s/&#121;/y/g;
                    790:     $result =~ s/&#122;/z/g;
                    791:     $result =~ s/&#123;/\\{/g;
                    792:     $result =~ s/&#124;/\|/g;
                    793:     $result =~ s/&#125;/\\}/g;
                    794:     $result =~ s/&#126;/\~/g;
                    795:     $result =~ s/&#130;/,/g;
                    796: #    $result =~ s/&#131;//g;
                    797:     $result =~ s/&#132;/''/g;
                    798:     $result =~ s/&#133;/\$\\ldots\$/g;
                    799:     $result =~ s/&#134;/\$\\dagger\$/g;
                    800:     $result =~ s/&#135;/\$\\ddagger\$/g;
                    801: #    $result =~ s/&#136;//g;
                    802: #    $result =~ s/&#137;//g;
                    803: #    $result =~ s/&#138;//g;
                    804:     $result =~ s/&#139;/\$<\$/g;
                    805: #    $result =~ s/&#140;//g;
                    806:     $result =~ s/&#145;/`/g;
                    807:     $result =~ s/&#146;/'/g;
                    808:     $result =~ s/&#147;/``/g;
                    809:     $result =~ s/&#148;/''/g;
                    810:     $result =~ s/&#149;/\$\\bullet\$/g;
                    811: #    $result =~ s/&#150;//g;
                    812: #    $result =~ s/&#151;//g;
                    813:     $result =~ s/&#152;/~/g;
                    814: #    $result =~ s/&#153;//g;
                    815: #    $result =~ s/&#154;//g;
                    816:     $result =~ s/&#155;/\$>\$/g;
                    817:     $result =~ s/&#156;/\\{\\oe\\}/g;
                    818:     $result =~ s/&#159;/\\"\\{Y\\}/g;
                    819:     $result =~ s/&#160;//g;
                    820:     $result =~ s/&nbsp;//g;
                    821:     $result =~ s/&#161;/!`/g;
                    822:     $result =~ s/&iexcl;/!`/g; #`
                    823: #    $result =~ s/&#162;//g;
                    824: #    $result =~ s/&cent;//g;
                    825:     $result =~ s/&#163;/\\pounds/g; 
                    826:     $result =~ s/&pound;/\\pounds/g;
                    827: #    $result =~ s/&#164;//g;
                    828: #    $result =~ s/&curren;//g;
                    829: #    $result =~ s/&#165;//g;
                    830: #    $result =~ s/&yen;//g;
                    831: #    $result =~ s/&#166;//g;
                    832: #    $result =~ s/&brvbar;//g;
                    833: #    $result =~ s/&#167;//g;
                    834: #    $result =~ s/&sect;//g;
                    835: #    $result =~ s/&#168;//g;
                    836: #    $result =~ s/&uml;//g;
                    837:     $result =~ s/&#169;/\\copyright/g;
                    838:     $result =~ s/&copy;/\\copyright/g;
                    839: #    $result =~ s/&#170;//g;
                    840: #    $result =~ s/&ordf;//g;
                    841: #    $result =~ s/&#171;//g;
                    842: #    $result =~ s/&laquo;//g;
                    843:     $result =~ s/&#172;/\$\\neg\$/g;
                    844:     $result =~ s/&not;/\$\\neg\$/g;
                    845: #    $result =~ s/&#173;//g;
                    846: #    $result =~ s/&shy;//g;
                    847: #    $result =~ s/&#174;//g;
                    848: #    $result =~ s/&reg;//g;
                    849: #    $result =~ s/&#175;//g;
                    850: #    $result =~ s/&macr;//g;
1.42      sakharuk  851:     $result =~ s/&#176;/\$^{\\circ}\$/g;
                    852:     $result =~ s/&deg;/\$^{\\circ}\$/g;
1.37      sakharuk  853:     $result =~ s/&#177;/\$\\pm\$/g;
                    854:     $result =~ s/&plusmn;/\$\\pm\$/g;
                    855:     $result =~ s/&#178;/\$^2\$/g;
                    856:     $result =~ s/&sup2;/\$^2\$/g;
                    857:     $result =~ s/&#179;/\$^3\$/g;
                    858:     $result =~ s/&sup3;/\$^3\$/g;
                    859: #    $result =~ s/&#180;//g;
                    860: #    $result =~ s/&acute;//g;
                    861:     $result =~ s/&#181;/\$\\mu\$/g;
                    862:     $result =~ s/&micro;/\$\\mu\$/g;
                    863:     $result =~ s/&#182;/\\P/g;
                    864:     $result =~ s/&para;/\\P/g;
                    865:     $result =~ s/&#183;/\$\\cdot\$/g;
                    866:     $result =~ s/&middot;/\$\\cdot\$/g;
                    867: #    $result =~ s/&#184;//g;
                    868: #    $result =~ s/&cedil;//g;
                    869:     $result =~ s/&#185;/\$^1\$/g;
                    870:     $result =~ s/&sup1;/\$^1\$/g;
                    871: #    $result =~ s/&#186;//g;
                    872: #    $result =~ s/&ordm;//g;
                    873: #    $result =~ s/&#187;//g;
                    874: #    $result =~ s/&raquo;//g;
                    875: #    $result =~ s/&#188;//g;
                    876: #    $result =~ s/&frac14;//g;
                    877: #    $result =~ s/&#189;//g;
                    878: #    $result =~ s/&frac12;//g;
                    879: #    $result =~ s/&#190;//g;
                    880: #    $result =~ s/&frac34;//g;
1.76      sakharuk  881:     $result =~ s/&#191;/?`/g;   
                    882:     $result =~ s/&iquest;/?`/g;      #`
                    883:     $result =~ s/&#192;/\\`{A}/g; 
                    884:     $result =~ s/&Agrave;/\\`{A}/g;  #` 
1.37      sakharuk  885:     $result =~ s/&#193;/\\'{A}/g; 
1.76      sakharuk  886:     $result =~ s/&Aacute;/\\'{A}/g;  #'
1.37      sakharuk  887:     $result =~ s/&#194;/\\^{A}/g;
                    888:     $result =~ s/&Acirc;/\\^{A}/g;
                    889:     $result =~ s/&#195;/\\~{A}/g;
                    890:     $result =~ s/&Atilde;/\\~{A}/g;
                    891:     $result =~ s/&#196;/\\"{A}/g; 
1.76      sakharuk  892:     $result =~ s/&Auml;/\\"{A}/g;    #"
1.37      sakharuk  893:     $result =~ s/&#197;/{\\AA}/g;
                    894:     $result =~ s/&Aring;/{\\AA}/g;
                    895:     $result =~ s/&#198;/{\\AE}/g;
                    896:     $result =~ s/&AElig;/{\\AE}/g;
                    897: #    $result =~ s/&#199;//g;
                    898: #    $result =~ s/&Ccedil;//g;
1.76      sakharuk  899:     $result =~ s/&#200;/\\`{E}/g;  
                    900:     $result =~ s/&Egrave;/\\`{E}/g;  #`
                    901:     $result =~ s/&#201;/\\'{E}/g;    #'
                    902:     $result =~ s/&Eacute;/\\'{E}/g;  #'
1.37      sakharuk  903:     $result =~ s/&#202;/\\^{E}/g;
                    904:     $result =~ s/&Ecirc;/\\^{E}/g;
                    905:     $result =~ s/&#203;/\\`{E}/g;
1.76      sakharuk  906:     $result =~ s/&Euml;/\\`{E}/g;    #`
1.37      sakharuk  907:     $result =~ s/&#204;/\\`{I}/g;
1.76      sakharuk  908:     $result =~ s/&Igrave;/\\`{I}/g;  #`
                    909:     $result =~ s/&#205;/\\'{I}/g;    
                    910:     $result =~ s/&Iacute;/\\'{I}/g;  #'
1.37      sakharuk  911:     $result =~ s/&#206;/\\^{I}/g;
                    912:     $result =~ s/&Icirc;/\\^{I}/g;
1.76      sakharuk  913:     $result =~ s/&#207;/\\"{I}/g;    
                    914:     $result =~ s/&Iuml;/\\"{I}/g;    #"
1.37      sakharuk  915: #    $result =~ s/&#208;//g;
                    916: #    $result =~ s/&ETH;//g;
                    917:     $result =~ s/&#209;/\\~{N}/g;
                    918:     $result =~ s/&Ntilde;/\\~{N}/g;
                    919:     $result =~ s/&#210;/\\`{O}/g;
1.76      sakharuk  920:     $result =~ s/&Ograve;/\\`{O}/g;  #`
1.37      sakharuk  921:     $result =~ s/&#211;/\\'{O}/g;
1.76      sakharuk  922:     $result =~ s/&Oacute;/\\'{O}/g;  #'
1.37      sakharuk  923:     $result =~ s/&#212;/\\^{O}/g;
                    924:     $result =~ s/&Ocirc;/\\^{O}/g;
                    925:     $result =~ s/&#213;/\\~{O}/g;
                    926:     $result =~ s/&Otilde;/\\~{O}/g;
1.76      sakharuk  927:     $result =~ s/&#214;/\\"{O}/g;    
                    928:     $result =~ s/&Ouml;/\\"{O}/g;    #"
1.37      sakharuk  929:     $result =~ s/&#215;/\$\\times\$/g;
                    930:     $result =~ s/&times;/\$\\times\$/g;
                    931:     $result =~ s/&#216;/{\\O}/g;
                    932:     $result =~ s/&Oslash;/{\\O}/g;
1.76      sakharuk  933:     $result =~ s/&#217;/\\`{U}/g;    
                    934:     $result =~ s/&Ugrave;/\\`{U}/g;  #`
                    935:     $result =~ s/&#218;/\\'{U}/g;    #'
                    936:     $result =~ s/&Uacute;/\\'{U}/g;  #'
1.37      sakharuk  937:     $result =~ s/&#219;/\\^{U}/g;
                    938:     $result =~ s/&Ucirc;/\\^{U}/g;
1.76      sakharuk  939:     $result =~ s/&#220;/\\"{U}/g;    #"
                    940:     $result =~ s/&Uuml;/\\"{U}/g;    #"
1.37      sakharuk  941:     $result =~ s/&#221;/\\'{Y}/g;
1.76      sakharuk  942:     $result =~ s/&Yacute;/\\'{Y}/g;  #'
1.37      sakharuk  943: #    $result =~ s/&#222;//g;
                    944: #    $result =~ s/&THORN;//g;
                    945: #    $result =~ s/&#223;//g;
                    946: #    $result =~ s/&szlig;//g;
                    947:     $result =~ s/&#224;/\\`{a}/g;
1.76      sakharuk  948:     $result =~ s/&agrave;/\\`{a}/g;  #`
1.37      sakharuk  949:     $result =~ s/&#225;/\\'{a}/g;
1.76      sakharuk  950:     $result =~ s/&aacute;/\\'{a}/g;  #'
1.37      sakharuk  951:     $result =~ s/&#226;/\\^{a}/g;
                    952:     $result =~ s/&acirc;/\\^{a}/g;
                    953:     $result =~ s/&#227;/\\~{a}/g;
                    954:     $result =~ s/&atilde;/\\~{a}/g;
                    955:     $result =~ s/&#228;/\\"{a}/g;
1.76      sakharuk  956:     $result =~ s/&auml;/\\"{a}/g;    #"
1.37      sakharuk  957:     $result =~ s/&#229;/{\\aa}/g;
                    958:     $result =~ s/&aring;/{\\aa}/g;
                    959:     $result =~ s/&#230;/{\\ae}/g;
                    960:     $result =~ s/&aelig;/{\\ae}/g;
                    961: #    $result =~ s/&#231;//g;
                    962: #    $result =~ s/&ccedil;//g;
                    963:     $result =~ s/&#232;/\\`{e}/g;
1.76      sakharuk  964:     $result =~ s/&egrave;/\\`{e}/g;  #`
1.37      sakharuk  965:     $result =~ s/&#233;/\\'{e}/g;
1.76      sakharuk  966:     $result =~ s/&eacute;/\\'{e}/g;  #'
1.37      sakharuk  967:     $result =~ s/&#234;/\\^{e}/g;
                    968:     $result =~ s/&ecirc;/\\^{e}/g;
                    969:     $result =~ s/&#235;/\\"{e}/g;
1.76      sakharuk  970:     $result =~ s/&euml;/\\"{e}/g;    #"
1.37      sakharuk  971:     $result =~ s/&#236;/\\`{i}/g;
1.76      sakharuk  972:     $result =~ s/&igrave;/\\`{i}/g;  #`
1.37      sakharuk  973:     $result =~ s/&#237;/\\'{i}/g;
1.76      sakharuk  974:     $result =~ s/&iacute;/\\'{i}/g;  #'
1.37      sakharuk  975:     $result =~ s/&#238;/\\^{i}/g;
                    976:     $result =~ s/&icirc;/\\^{i}/g;
                    977:     $result =~ s/&#239;/\\"{i}/g;
1.76      sakharuk  978:     $result =~ s/&iuml;/\\"{i}/g;    #"
1.37      sakharuk  979: #    $result =~ s/&#240;//g;
                    980: #    $result =~ s/&eth;//g;
                    981:     $result =~ s/&#241;/\\~{n}/g;
                    982:     $result =~ s/&ntilde;/\\~{n}/g;
                    983:     $result =~ s/&#242;/\\`{o}/g;
1.76      sakharuk  984:     $result =~ s/&ograve;/\\`{o}/g;  #`
1.37      sakharuk  985:     $result =~ s/&#243;/\\'{o}/g;
1.76      sakharuk  986:     $result =~ s/&oacute;/\\'{o}/g;  #'
1.37      sakharuk  987:     $result =~ s/&#244;/\\^{o}/g;
                    988:     $result =~ s/&ocirc;/\\^{o}/g;
                    989:     $result =~ s/&#245;/\\~{o}/g;
                    990:     $result =~ s/&otilde;/\\~{o}/g;
                    991:     $result =~ s/&#246;/\\"{o}/g;
1.76      sakharuk  992:     $result =~ s/&ouml;/\\"{o}/g;    #"
1.37      sakharuk  993:     $result =~ s/&#247;/\$\\div\$/g;
                    994:     $result =~ s/&divide;/\$\\div\$/g;
                    995:     $result =~ s/&#248;/{\\o}/g;
                    996:     $result =~ s/&oslash;/{\\o}/g;
                    997:     $result =~ s/&#249;/\\`{u}/g; 
1.76      sakharuk  998:     $result =~ s/&ugrave;/\\`{u}/g;  #` 
1.37      sakharuk  999:     $result =~ s/&#250;/\\'{u}/g;
1.76      sakharuk 1000:     $result =~ s/&uacute;/\\'{u}/g;  #'
1.37      sakharuk 1001:     $result =~ s/&#251;/\\^{u}/g;
                   1002:     $result =~ s/&ucirc;/\\^{u}/g;
                   1003:     $result =~ s/&#252;/\\"{u}/g;
1.76      sakharuk 1004:     $result =~ s/&uuml;/\\"{u}/g;    #"
1.37      sakharuk 1005:     $result =~ s/&#253;/\\'{y}/g;
1.76      sakharuk 1006:     $result =~ s/&yacute;/\\'{y}/g;  #'
1.37      sakharuk 1007: #    $result =~ s/&#254;//g;
                   1008: #    $result =~ s/&thorn;//g;
                   1009:     $result =~ s/&#255;/\\"{y}/g;
1.76      sakharuk 1010:     $result =~ s/&yuml;/\\"{y}/g;    #"
1.75      sakharuk 1011:     $result =~ s/&#952;/\$\\theta\$/g; #converts theta from html into tex
1.37      sakharuk 1012:     return $result;
                   1013: }
1.41      sakharuk 1014: 
                   1015: 
1.76      sakharuk 1016:     sub page_format {
                   1017: 	my ($papersize,$layout,$numberofcolumns) = @_; 
                   1018: 	my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0);
                   1019: 	if ($papersize=~/Letter/) {
                   1020: 	    if ($layout eq 'CAPA') {
                   1021: 		if ($numberofcolumns == 1) {
                   1022: 		    $textwidth = '18 cm';
                   1023: 		    $textheight = '25.9 cm';
                   1024: 		    $oddoffset = '-0.57 in';
                   1025: 		    $evenoffset = '-0.57 in';
                   1026: 		} elsif ($numberofcolumns == 2) {
1.81      sakharuk 1027: 		    $textwidth = '93 mm';
1.76      sakharuk 1028: 		    $textheight = '25.9 cm';
                   1029: 		    $oddoffset = '-0.57 in';
                   1030: 		    $evenoffset = '-0.57 in';
                   1031: 		}
                   1032: 	    } elsif ($layout eq 'CBI') {
                   1033: 		if ($numberofcolumns eq '1') {
                   1034: 		    $textwidth = '8.8 in';
                   1035: 		    $textheight = '6.8 in';
                   1036: 		    $oddoffset = '-40 pt';
                   1037: 		    $evenoffset = '-60 pt';
                   1038: 		} elsif ($numberofcolumns == 2) {
                   1039: 		    $textwidth = '4.2 in';
                   1040: 		    $textheight = '6.8 in';
                   1041: 		    $oddoffset = '-40 pt';
                   1042: 		    $evenoffset = '-60 pt';
                   1043: 		}
                   1044: 	    }
                   1045: #    } elsif($papersize=~/Legal/) {
                   1046: #    } elsif($papersize=~/Ledger/) {
                   1047: #    } elsif($papersize=~/Executive/) {
                   1048:     } elsif($papersize=~/A4/) {
                   1049: 	    if ($layout eq 'CAPA') {
                   1050: 		if ($numberofcolumns == 1) {
                   1051: 		    $textwidth = '18 cm';
                   1052: 		    $textheight = '28 cm';
                   1053: 		    $oddoffset = '-0.57 in';
                   1054: 		    $evenoffset = '-0.57 in';
                   1055: 		} elsif ($numberofcolumns == 2) {
1.81      sakharuk 1056: 		    $textwidth = '96 mm';
1.76      sakharuk 1057: 		    $textheight = '2 cm';
                   1058: 		    $oddoffset = '-0.57 in';
                   1059: 		    $evenoffset = '-0.57 in';
                   1060: 		}
                   1061: 	    } elsif ($layout eq 'CBI') {
                   1062: 		if ($numberofcolumns eq '1') {
                   1063: 		    $textwidth = '8.5 in';
                   1064: 		    $textheight = '7.7 in';
                   1065: 		    $oddoffset = '-40 pt';
                   1066: 		    $evenoffset = '-60 pt';
                   1067: 		} elsif ($numberofcolumns == 2) {
                   1068: 		    $textwidth = '3.9 in';
                   1069: 		    $textheight = '7.7 in';
                   1070: 		    $oddoffset = '-40 pt';
                   1071: 		    $evenoffset = '-60 pt';
                   1072: 		}
                   1073: 	    }
                   1074: #    } elsif($papersize=~/A3/) {
                   1075: #    } elsif($papersize=~/A2/) {
                   1076: #    } elsif($papersize=~/A5/) {
                   1077: #    } elsif($papersize=~/A6/) {
                   1078: 	}
                   1079: 	return $textwidth,$textheight,$oddoffset,$evenoffset;
                   1080:     }
                   1081: 
                   1082: 
                   1083: sub page_format_transformation {
                   1084: 	my ($papersize,$layout,$numberofcolumns,$choice,$text) = @_; 
                   1085: 	my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns);
                   1086: 	my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
                   1087: 	if ($layout eq 'CBI') {
                   1088: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm} \\begin{document}\\setcounter{page}{1}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}} \\hfill  $courseidinfo} \\vskip 5 mm /;
                   1089: 	} elsif ($layout eq 'CAPA') {
                   1090:  	    if ($choice ne 'All class print') { 
1.81      sakharuk 1091: 		$text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}} \\hfill  $courseidinfo} \\vskip 5 mm /;
1.76      sakharuk 1092: 	    } else {
1.78      sakharuk 1093: 		$text =~ s/\\begin{document}/\\setlength{\\textheight}{$textheight}\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\textwidth}{$textwidth}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
1.76      sakharuk 1094: 	    }
                   1095: 	}
                   1096: 	return $text;
                   1097: }
1.68      sakharuk 1098: 
                   1099: 
1.33      sakharuk 1100: sub page_cleanup {
                   1101:     my $result = shift;	
1.65      sakharuk 1102:  
                   1103:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1104:     my $number_of_columns = $1;
1.33      sakharuk 1105:     my $insert = '{';
1.34      sakharuk 1106:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1107:     $insert .= '}';
1.65      sakharuk 1108:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1109:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1110:     return $result,$number_of_columns;
1.7       sakharuk 1111: }
1.5       sakharuk 1112: 
1.3       sakharuk 1113: 
1.60      sakharuk 1114: sub details_for_menu {
                   1115: 
                   1116:     my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
                   1117:     my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
1.63      albertel 1118:     my ($map,$id,$resource)=split(/___/,$symbolic);
                   1119:     my $name_of_sequence = $hash{'title_'.$hash{'ids_/res/'.$map}};
                   1120:     if ($name_of_sequence =~ /^\s*$/) {
                   1121:       $map =~ m|([^/]+)$|;
                   1122:       $name_of_sequence = $1;
                   1123:     }
1.62      sakharuk 1124:     my $name_of_map = $hash{'title_'.$hash{'ids_/res/'.$ENV{'request.course.uri'}}};
1.63      albertel 1125:     if ($name_of_map =~ /^\s*$/) {
                   1126:       $ENV{'request.course.uri'} =~ m|([^/]+)$|;
                   1127:       $name_of_map = $1;
                   1128:     }
                   1129:     return ($name_of_resourse,$name_of_sequence,$name_of_map);
1.60      sakharuk 1130: 
1.76      sakharuk 1131: }
                   1132: 
                   1133: 
                   1134: sub latex_corrections {
                   1135: 
                   1136:     my ($number_of_columns,$result) = @_;
                   1137: 
1.77      sakharuk 1138:     $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76      sakharuk 1139:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.81      sakharuk 1140:     $result =~ s/(\\end{document})/\\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/;
1.76      sakharuk 1141:     $result =~ s/(\\end{longtable}\s*)(\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1142:     $result =~ s/(\\end{longtable}\s*)\\newline/$1/g;
                   1143: #-- LaTeX corrections     
                   1144:     my $first_comment = index($result,'<!--',0);
                   1145:     while ($first_comment != -1) {
                   1146: 	my $end_comment = index($result,'-->',$first_comment);
                   1147: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1148: 	$first_comment = index($result,'<!--',$first_comment);
                   1149:     }
                   1150:     $result =~ s/^\s+$//gm; #remove empty lines
                   1151:     $result =~ s/(\s)+/$1/g; #removes more than one empty space
                   1152:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1153:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1154:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
                   1155: 	$result =~ s/\\\\\s+\[/ \[/g;
                   1156:     $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
                   1157:     #conversion of html characters to LaTeX equivalents
                   1158:     if ($result =~ m/&(\w+|#\d+);/) {
                   1159: 	$result = &character_chart($result);
                   1160:     }
                   1161:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1162:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1163: 
                   1164:     return $result;
1.60      sakharuk 1165: }
                   1166: 
1.3       sakharuk 1167: 
                   1168: sub handler {
                   1169: 
                   1170:     my $r = shift;
1.67      www      1171: 
                   1172:     my $loaderror=&Apache::lonnet::overloaderror($r);
                   1173:     if ($loaderror) { return $loaderror; }
                   1174:     $loaderror=
                   1175:        &Apache::lonnet::overloaderror($r,
                   1176:          $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
                   1177:     if ($loaderror) { return $loaderror; }
                   1178: 
1.3       sakharuk 1179:     $r->content_type('text/html');
                   1180:     $r->send_http_header;
1.59      sakharuk 1181:     $r->print(&Apache::loncommon::bodytag("Printing"));
1.3       sakharuk 1182: 
1.60      sakharuk 1183:     if ($ENV{'request.course.id'}) {
                   1184: 	my $fn=$ENV{'request.course.fn'};
                   1185: 	tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
                   1186:     }
                   1187: 
1.3       sakharuk 1188: #-- start form
                   1189:     &headerform($r);
                   1190: #-- menu for output
1.16      sakharuk 1191:     unless  ($ENV{'form.phase'}) {
1.3       sakharuk 1192: 	&menu_for_output($r);
                   1193:     }
1.52      sakharuk 1194: #-- additional menu for class printing
                   1195:      if ($ENV{'form.phase'} eq 'two') {
                   1196: 	 if($ENV{'form.choice'} eq 'All class print') {
                   1197: 	     &additional_class_menu($r);
1.58      sakharuk 1198: 	 } elsif($ENV{'form.choice'} eq 'Subdirectory print') {
                   1199: 	     &problem_choice_menu($r);
1.52      sakharuk 1200: 	 } else {
                   1201: 	     $ENV{'form.phase'} = 'three';
                   1202: 	 }
                   1203:      }
                   1204: #-- additional menu for page layout (one column case)
                   1205:     if ($ENV{'form.phase'} eq 'three') {
                   1206: 	if($ENV{'form.numberofcolumns'} == 1) {
                   1207: 	    &additional_print_menu($r);
                   1208: 	} else {
                   1209: 	    $ENV{'form.phase'} = 'four';
                   1210: 	}
                   1211:     }
1.3       sakharuk 1212: #-- core part 
1.52      sakharuk 1213:     if ($ENV{'form.phase'} eq 'four') {
1.3       sakharuk 1214: 	&output_data($r);
1.60      sakharuk 1215:     }	
                   1216:     untie %hash;
1.2       sakharuk 1217:     return OK;
1.60      sakharuk 1218:    
                   1219: } 
1.2       sakharuk 1220: 
1.1       www      1221: 
                   1222: 1;
                   1223: __END__
1.6       sakharuk 1224: 

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