File:  [LON-CAPA] / loncom / interface / londocs.pm
Revision 1.317: download - view: text, annotated - select for diffs
Fri Nov 21 20:31:48 2008 UTC (15 years, 6 months ago) by jms
Branches: MAIN
CVS tags: HEAD
Fixd POD comments

    1: # The LearningOnline Network
    2: # Documents
    3: #
    4: # $Id: londocs.pm,v 1.317 2008/11/21 20:31:48 jms 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: 
   30: 
   31: package Apache::londocs;
   32: 
   33: use strict;
   34: use Apache::Constants qw(:common :http);
   35: use Apache::imsexport;
   36: use Apache::lonnet;
   37: use Apache::loncommon;
   38: use LONCAPA::map();
   39: use Apache::lonratedt();
   40: use Apache::lonxml;
   41: use Apache::lonclonecourse;
   42: use Apache::lonnavmaps;
   43: use HTML::Entities;
   44: use GDBM_File;
   45: use Apache::lonlocal;
   46: use Cwd;
   47: use LONCAPA qw(:DEFAULT :match);
   48: 
   49: my $iconpath;
   50: 
   51: my %hash;
   52: 
   53: my $hashtied;
   54: my %alreadyseen=();
   55: 
   56: my $hadchanges;
   57: 
   58: 
   59: my %help=();
   60: 
   61: 
   62: 
   63: sub mapread {
   64:     my ($coursenum,$coursedom,$map)=@_;
   65:     return
   66:       &LONCAPA::map::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   67: 			     $map);
   68: }
   69: 
   70: sub storemap {
   71:     my ($coursenum,$coursedom,$map)=@_;
   72:     my ($outtext,$errtext)=
   73:       &LONCAPA::map::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   74: 			      $map,1);
   75:     if ($errtext) { return ($errtext,2); }
   76:     
   77:     $hadchanges=1;
   78:     return ($errtext,0);
   79: }
   80: 
   81: 
   82: 
   83: sub authorhosts {
   84:     my %outhash=();
   85:     my $home=0;
   86:     my $other=0;
   87:     foreach (keys %env) {
   88: 	if ($_=~/^user\.role\.(au|ca)\.(.+)$/) {
   89: 	    my $role=$1;
   90: 	    my $realm=$2;
   91: 	    my ($start,$end)=split(/\./,$env{$_});
   92: 	    if (($start) && ($start>time)) { next; }
   93: 	    if (($end) && (time>$end)) { next; }
   94: 	    my $ca; my $cd;
   95: 	    if ($1 eq 'au') {
   96: 		$ca=$env{'user.name'};
   97: 		$cd=$env{'user.domain'};
   98: 	    } else {
   99: 		($cd,$ca)=($realm=~/^\/($match_domain)\/($match_username)$/);
  100: 	    }
  101: 	    my $allowed=0;
  102: 	    my $myhome=&Apache::lonnet::homeserver($ca,$cd);
  103: 	    my @ids=&Apache::lonnet::current_machine_ids();
  104: 	    foreach my $id (@ids) { if ($id eq $myhome) { $allowed=1; } }
  105: 	    if ($allowed) {
  106: 		$home++;
  107: 		$outhash{'home_'.$ca.'@'.$cd}=1;
  108: 	    } else {
  109: 		$outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;
  110: 		$other++;
  111: 	    }
  112: 	}
  113:     }
  114:     return ($home,$other,%outhash);
  115: }
  116: 
  117: 
  118: sub dumpbutton {
  119:     my ($home,$other,%outhash)=&authorhosts();
  120:     my $type = &Apache::loncommon::course_type();
  121:     if ($home+$other==0) { return ''; }
  122:     if ($home) {
  123: 	return '<div>'.
  124: 	    '<input type="submit" name="dumpcourse" value="'.
  125: 	    &mt('Dump '.$type.' DOCS to Construction Space').'" />'.
  126: 	    &Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs').
  127: 	    '</div>';
  128:     } else {
  129: 	return '<div>'.
  130:      &mt('Dump '.$type.
  131: 	 ' DOCS to Construction Space: available on other servers').
  132: 	 '</div>';
  133:     }
  134: }
  135: 
  136: sub clean {
  137:     my ($title)=@_;
  138:     $title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
  139:     return $title;	
  140: }
  141: 
  142: 
  143: 
  144: sub dumpcourse {
  145:     my ($r) = @_;
  146:     my $type = &Apache::loncommon::course_type();
  147:     $r->print(&Apache::loncommon::start_page('Dump '.$type.' DOCS to Construction Space').
  148: 	      '<form name="dumpdoc" method="post">');
  149:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Dump '.$type.' DOCS to Construction Space'));
  150:     my ($home,$other,%outhash)=&authorhosts();
  151:     unless ($home) { return ''; }
  152:     my $origcrsid=$env{'request.course.id'};
  153:     my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
  154:     if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
  155: # Do the dumping
  156: 	unless ($outhash{'home_'.$env{'form.authorspace'}}) { return ''; }
  157: 	my ($ca,$cd)=split(/\@/,$env{'form.authorspace'});
  158: 	$r->print('<h3>'.&mt('Copying Files').'</h3>');
  159: 	my $title=$env{'form.authorfolder'};
  160: 	$title=&clean($title);
  161: 	my %replacehash=();
  162: 	foreach (keys %env) {
  163: 	    if ($_=~/^form\.namefor\_(.+)/) {
  164: 		$replacehash{$1}=$env{$_};
  165: 	    }
  166: 	}
  167: 	my $crs='/uploaded/'.$env{'request.course.id'}.'/';
  168: 	$crs=~s/\_/\//g;
  169: 	foreach (keys %replacehash) {
  170: 	    my $newfilename=$title.'/'.$replacehash{$_};
  171: 	    $newfilename=~s/\.(\w+)$//;
  172: 	    my $ext=$1;
  173: 	    $newfilename=&clean($newfilename);
  174: 	    $newfilename.='.'.$ext;
  175: 	    my @dirs=split(/\//,$newfilename);
  176: 	    my $path='/home/'.$ca.'/public_html';
  177: 	    my $makepath=$path;
  178: 	    my $fail=0;
  179: 	    for (my $i=0;$i<$#dirs;$i++) {
  180: 		$makepath.='/'.$dirs[$i];
  181: 		unless (-e $makepath) { 
  182: 		    unless(mkdir($makepath,0777)) { $fail=1; } 
  183: 		}
  184: 	    }
  185: 	    $r->print('<br /><tt>'.$_.'</tt> => <tt>'.$newfilename.'</tt>: ');
  186: 	    if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
  187: 		if ($_=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
  188: 		    print $fh &Apache::lonclonecourse::rewritefile(
  189:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$_),
  190: 				     (%replacehash,$crs => '')
  191: 								    );
  192: 		} else {
  193: 		    print $fh
  194:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$_);
  195: 		       }
  196: 		$fh->close();
  197: 	    } else {
  198: 		$fail=1;
  199: 	    }
  200: 	    if ($fail) {
  201: 		$r->print('<span class="LC_error">'.&mt('fail').'</span>');
  202: 	    } else {
  203: 		$r->print('<span class="LC_success">'.&mt('ok').'</span>');
  204: 	    }
  205: 	}
  206:     } else {
  207: # Input form
  208: 	unless ($home==1) {
  209: 	    $r->print(
  210: 		      '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');
  211: 	}
  212: 	foreach (sort keys %outhash) {
  213: 	    if ($_=~/^home_(.+)$/) {
  214: 		if ($home==1) {
  215: 		    $r->print(
  216: 		  '<input type="hidden" name="authorspace" value="'.$1.'" />');
  217: 		} else {
  218: 		    $r->print('<option value="'.$1.'">'.$1.' - '.
  219: 			      &Apache::loncommon::plainname(split(/\@/,$1)).'</option>');
  220: 		}
  221: 	    }
  222: 	}
  223: 	unless ($home==1) {
  224: 	    $r->print('</select>');
  225: 	}
  226: 	my $title=$origcrsdata{'description'};
  227: 	$title=~s/[\/\s]+/\_/gs;
  228: 	$title=&clean($title);
  229: 	$r->print('<h3>'.&mt('Folder in Construction Space').'</h3>'
  230:                  .'<input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
  231: 	&tiehash();
  232: 	$r->print('<h3>'.&mt('Filenames in Construction Space').'</h3>'
  233:                  .&Apache::loncommon::start_data_table()
  234:                  .&Apache::loncommon::start_data_table_header_row()
  235:                  .'<th>'.&mt('Internal Filename').'</th>'
  236:                  .'<th>'.&mt('Title').'</th>'
  237:                  .'<th>'.&mt('Save as ...').'</th>'
  238:                  .&Apache::loncommon::end_data_table_header_row());
  239: 	foreach (&Apache::lonclonecourse::crsdirlist($origcrsid,'userfiles')) {
  240: 	    $r->print(&Apache::loncommon::start_data_table_row()
  241:                      .'<td>'.$_.'</td>');
  242: 	    my ($ext)=($_=~/\.(\w+)$/);
  243: 	    my $title=$hash{'title_'.$hash{
  244: 		'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$_}};
  245: 	    $r->print('<td>'.($title?$title:'&nbsp;').'</td>');
  246: 	    if (!$title) {
  247: 		$title=$_;
  248: 	    } else {
  249: 		$title=~s|/|_|g;
  250: 	    }
  251: 	    $title=~s/\.(\w+)$//;
  252: 	    $title=&clean($title);
  253: 	    $title.='.'.$ext;
  254: 	    $r->print("\n<td><input type='text' size='60' name='namefor_".$_."' value='".$title."' /></td>"
  255:                      .&Apache::loncommon::end_data_table_row());
  256: 	}
  257: 	$r->print(&Apache::loncommon::end_data_table());
  258: 	&untiehash();
  259: 	$r->print(
  260:   '<p><input type="submit" name="dumpcourse" value="'.&mt("Dump $type DOCS").'" /></p></form>');
  261:     }
  262: }
  263: 
  264: 
  265: 
  266: sub exportbutton {
  267:     my $type = &Apache::loncommon::course_type();
  268:     return '<div>'.
  269:             '<input type="submit" name="exportcourse" value="'.
  270:             &mt('Export '.$type.' to IMS').'" />'.
  271:     &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs').'</div>';
  272: }
  273: 
  274: 
  275: 
  276: sub exportcourse {
  277:     my $r=shift;
  278:     my $type = &Apache::loncommon::course_type();
  279:     my %discussiontime = &Apache::lonnet::dump('discussiontimes',
  280:                                                $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
  281:     my $numdisc = keys %discussiontime;
  282:     my $navmap = Apache::lonnavmaps::navmap->new();
  283:     my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
  284:     my $curRes;
  285:     my $outcome;
  286: 
  287:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  288:                                             ['finishexport']);
  289:     if ($env{'form.finishexport'}) {
  290:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  291:                                             ['archive','discussion']);
  292: 
  293:         my @exportitems = &Apache::loncommon::get_env_multiple('form.archive');
  294:         my @discussions = &Apache::loncommon::get_env_multiple('form.discussion');
  295:         if (@exportitems == 0 && @discussions == 0) {
  296:             $outcome = '<br />As you did not select any content items or discussions for export, an IMS package has not been created.  Please <a href="javascript:history.go(-1)">go back</a> to select either content items or discussions for export';
  297:         } else {
  298:             my $now = time;
  299:             my %symbs;
  300:             my $manifestok = 0;
  301:             my $imsresources;
  302:             my $tempexport;
  303:             my $copyresult;
  304:             my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
  305:             if ($manifestok) {
  306:                 &build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest);
  307:                 close($ims_manifest);
  308: 
  309: #Create zip file in prtspool
  310:                 my $imszipfile = '/prtspool/'.
  311:                 $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
  312:                    time.'_'.rand(1000000000).'.zip';
  313:                 my $cwd = &Cwd::getcwd();
  314:                 my $imszip = '/home/httpd/'.$imszipfile;
  315:                 chdir $tempexport;
  316:                 open(OUTPUT, "zip -r $imszip *  2> /dev/null |");
  317:                 close(OUTPUT);
  318:                 chdir $cwd;
  319:                 $outcome .= &mt('Download the zip file from <a href="[_1]">IMS '.lc($type).' archive</a><br />',$imszipfile,);
  320:                 if ($copyresult) {
  321:                     $outcome .= &mt('The following errors occurred during export - [_1]',$copyresult);
  322:                 }
  323:             } else {
  324:                 $outcome = '<br />'.&mt('Unfortunately you will not be able to retrieve an IMS archive of this posts at this time, because there was a problem creating a manifest file.').'<br />';
  325:             }
  326:         }
  327:         $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package'));
  328: 	$r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
  329:         $r->print($outcome);
  330:         $r->print(&Apache::loncommon::end_page());
  331:     } else {
  332:         my $display;
  333:         $display = '<form name="exportdoc" method="post">'."\n";
  334:         $display .= &mt('Choose which items you wish to export from your '.$type.'.<br /><br />');
  335:         $display .= '<table border="0" cellspacing="0" cellpadding="3">'.
  336:                     '<tr><td><fieldset><legend>&nbsp;<b>Content items</b></legend>'.
  337:                     '<input type="button" value="check all" '.
  338:                     'onclick="javascript:checkAll(document.exportdoc.archive)" />'.
  339:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  340:                     ' onclick="javascript:uncheckAll(document.exportdoc.archive)" /></fieldset></td>'.
  341:                     '<td>&nbsp;</td><td>&nbsp;</td>'.
  342:                     '<td align="right"><fieldset><legend>&nbsp;<b>Discussion posts'.
  343:                     '</b></legend><input type="button" value="check all"'.
  344:                     ' onclick="javascript:checkAll(document.exportdoc.discussion)" />'.
  345:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  346:                     ' onclick="javascript:uncheckAll(document.exportdoc.discussion)" /></fieldset></td>'.
  347:                     '</tr></table>';
  348:         my $curRes;
  349:         my $depth = 0;
  350:         my $count = 0;
  351:         my $boards = 0;
  352:         my $startcount = 5;
  353:         my %parent = ();
  354:         my %children = ();
  355:         my $lastcontainer = $startcount;
  356:         my @bgcolors = ('#F6F6F6','#FFFFFF');
  357:         $display .= '<table cellspacing="0"><tr>'.
  358:             '<td><b>Export content item?<br /></b></td><td>&nbsp;</td><td align="right">'."\n";
  359:         if ($numdisc > 0) {
  360:             $display.='<b>Export&nbsp;discussion posts?</b>'."\n";
  361:         }
  362:         $display.='&nbsp;</td></tr>';
  363:         while ($curRes = $it->next()) {
  364:             if (ref($curRes)) {
  365:                 $count ++;
  366:             }
  367:             if ($curRes == $it->BEGIN_MAP()) {
  368:                 $depth++;
  369:                 $parent{$depth} = $lastcontainer;
  370:             }
  371:             if ($curRes == $it->END_MAP()) {
  372:                 $depth--;
  373:                 $lastcontainer = $parent{$depth};
  374:             }
  375:             if (ref($curRes)) {
  376:                 my $symb = $curRes->symb();
  377:                 my $ressymb = $symb;
  378:                 if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
  379:                     unless ($ressymb =~ m|adm/wrapper/adm|) {
  380:                         $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  381:                     }
  382:                 }
  383:                 my $color = $count%2;
  384:                 $display .='<tr bgcolor='.$bgcolors[$color].'><td>'."\n".
  385:                     '<input type="checkbox" name="archive" value="'.$count.'" ';
  386:                 if (($curRes->is_sequence()) || ($curRes->is_page())) {
  387:                     my $checkitem = $count + $boards + $startcount;
  388:                     $display .= 'onClick="javascript:propagateCheck('."'$checkitem'".')"';
  389:                 }
  390:                 $display .= ' />'."\n";
  391:                 for (my $i=0; $i<$depth; $i++) {
  392:                     $display .= '<img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" /><img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" />'."\n";
  393:                 }
  394:                 if ($curRes->is_sequence()) {
  395:                     $display .= '<img src="/adm/lonIcons/navmap.folder.open.gif">&nbsp;'."\n";
  396:                     $lastcontainer = $count + $startcount + $boards;
  397:                 } elsif ($curRes->is_page()) {
  398:                     $display .= '<img src="/adm/lonIcons/navmap.page.open.gif">&nbsp;'."\n";
  399:                     $lastcontainer = $count + $startcount + $boards;
  400:                 }
  401:                 my $currelem = $count+$boards+$startcount;
  402:                 $children{$parent{$depth}} .= $currelem.':';
  403:                 $display .= '&nbsp;'.$curRes->title().'</td>';
  404:                 if ($discussiontime{$ressymb} > 0) {
  405:                     $boards ++;
  406:                     $currelem = $count+$boards+$startcount;
  407:                     $display .= '<td>&nbsp;</td><td align="right"><input type="checkbox" name="discussion" value="'.$count.'" />&nbsp;</td>'."\n";
  408:                 } else {
  409:                     $display .= '<td colspan="2">&nbsp;</td>'."\n";
  410:                 }
  411:             }
  412:         }
  413:         my $scripttag = qq|
  414: <script>
  415: 
  416: function checkAll(field) {
  417:     if (field.length > 0) {
  418:         for (i = 0; i < field.length; i++) {
  419:             field[i].checked = true ;
  420:         }
  421:     } else {
  422:         field.checked = true
  423:     }
  424: }
  425:                                                                                 
  426: function uncheckAll(field) {
  427:     if (field.length > 0) {
  428:         for (i = 0; i < field.length; i++) {
  429:             field[i].checked = false ;
  430:         }
  431:     } else {
  432:         field.checked = false ;
  433:     }
  434: }
  435: 
  436: function propagateCheck(item) {
  437:     if (document.exportdoc.elements[item].checked == true) {
  438:         containerCheck(item)
  439:     }
  440: } 
  441: 
  442: function containerCheck(item) {
  443:     document.exportdoc.elements[item].checked = true
  444:     var numitems = $count + $boards + $startcount
  445:     var parents = new Array(numitems)
  446:     for (var i=$startcount; i<numitems; i++) {
  447:         parents[i] = new Array
  448:     }
  449:         |;
  450: 
  451:         foreach my $container (sort { $a <=> $b } keys %children) {
  452:             my @contents = split/:/,$children{$container};
  453:             for (my $i=0; $i<@contents; $i ++) {
  454:                 $scripttag .= '    parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
  455:             }
  456:         }
  457: 
  458:         $scripttag .= qq|
  459:     if (parents[item].length > 0) {
  460:         for (var j=0; j<parents[item].length; j++) {
  461:             containerCheck(parents[item][j])
  462:         }
  463:      }   
  464: }
  465: 
  466: </script>
  467:         |;
  468: 	$r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package',
  469: 						 $scripttag));
  470: 	$r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
  471: 	$r->print($display.'</table>'.
  472:                   '<p><input type="hidden" name="finishexport" value="1">'.
  473:                   '<input type="submit" name="exportcourse" value="'.
  474:                   &mt('Export '.$type.' DOCS').'" /></p></form>'.
  475: 		  &Apache::loncommon::end_page());
  476:     }
  477: }
  478: 
  479: sub create_ims_store {
  480:     my ($now,$manifestok,$outcome,$tempexport) = @_;
  481:     $$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
  482:     my $ims_manifest;
  483:     if (!-e $$tempexport) {
  484:         mkdir($$tempexport,0700);
  485:     }
  486:     $$tempexport .= '/'.$now;
  487:     if (!-e $$tempexport) {
  488:         mkdir($$tempexport,0700);
  489:     }
  490:     $$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
  491:     if (!-e $$tempexport) {
  492:         mkdir($$tempexport,0700);
  493:     }
  494:     if (!-e "$$tempexport/resources") {
  495:         mkdir("$$tempexport/resources",0700);
  496:     }
  497: # open manifest file
  498:     my $manifest = '/imsmanifest.xml';
  499:     my $manifestfilename = $$tempexport.$manifest;
  500:     if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
  501:         $$manifestok=1;
  502:         print $ims_manifest
  503: '<?xml version="1.0" encoding="UTF-8"?>'."\n".
  504: '<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"'.
  505: ' xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"'.
  506: ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'.
  507: ' identifier="MANIFEST-'.$env{'request.course.id'}.'-'.$now.'"'.
  508: '  xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1imscp_v1p1.xsd'.
  509: '  http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">'."\n".
  510: '  <metadata>
  511:     <schema></schema>
  512:     <imsmd:lom>
  513:       <imsmd:general>
  514:         <imsmd:identifier>'.$env{'request.course.id'}.'</imsmd:identifier>
  515:         <imsmd:title>
  516:           <imsmd:langstring xml:lang="en">'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</imsmd:langstring>
  517:         </imsmd:title>
  518:       </imsmd:general>
  519:     </imsmd:lom>
  520:   </metadata>'."\n".
  521: '  <organizations default="ORG-'.$env{'request.course.id'}.'-'.$now.'">'."\n".
  522: '    <organization identifier="ORG-'.$env{'request.course.id'}.'-'.$now.'"'.
  523: ' structure="hierarchical">'."\n".
  524: '      <title>'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</title>'
  525:     } else {
  526:         $$outcome .= 'An error occurred opening the IMS manifest file.<br />'
  527: ;
  528:     }
  529:     return $ims_manifest;
  530: }
  531: 
  532: sub build_package {
  533:     my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
  534: # first iterator to look for dependencies
  535:     my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  536:     my $curRes;
  537:     my $count = 0;
  538:     my $depth = 0;
  539:     my $lastcontainer = 0;
  540:     my %parent = ();
  541:     my @dependencies = ();
  542:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  543:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  544:     while ($curRes = $it->next()) {
  545:         if (ref($curRes)) {
  546:             $count ++;
  547:         }
  548:         if ($curRes == $it->BEGIN_MAP()) {
  549:             $depth++;
  550:             $parent{$depth} = $lastcontainer;
  551:         }
  552:         if ($curRes == $it->END_MAP()) {
  553:             $depth--;
  554:             $lastcontainer = $parent{$depth};
  555:         }
  556:         if (ref($curRes)) {
  557:             if ($curRes->is_sequence() || $curRes->is_page()) {
  558:                 $lastcontainer = $count;
  559:             }
  560:             if (grep/^$count$/,@$exportitems) {
  561:                 &get_dependencies($exportitems,\%parent,$depth,\@dependencies);
  562:             }
  563:         }
  564:     }
  565: # second iterator to build manifest and store resources
  566:     $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  567:     $depth = 0;
  568:     my $prevdepth;
  569:     $count = 0;
  570:     my $imsresources;
  571:     my $pkgdepth;
  572:     while ($curRes = $it->next()) {
  573:         if ($curRes == $it->BEGIN_MAP()) {
  574:             $prevdepth = $depth;
  575:             $depth++;
  576:         }
  577:         if ($curRes == $it->END_MAP()) {
  578:             $prevdepth = $depth;
  579:             $depth--;
  580:         }
  581: 
  582:         if (ref($curRes)) {
  583:             $count ++;
  584:             if ((grep/^$count$/,@$exportitems) || (grep/^$count$/,@dependencies)) {
  585:                 my $symb = $curRes->symb();
  586:                 my $isvisible = 'true';
  587:                 my $resourceref;
  588:                 if ($curRes->randomout()) {
  589:                     $isvisible = 'false';
  590:                 }
  591:                 unless ($curRes->is_sequence()) {
  592:                     $resourceref = 'identifierref="RES-'.$env{'request.course.id'}.'-'.$count.'"';
  593:                 }
  594:                 my $step = $prevdepth - $depth;
  595:                 if (($step >= 0) && ($count > 1)) {
  596:                     while ($step >= 0) {
  597:                         print $ims_manifest "\n".'  </item>'."\n";
  598:                         $step --;
  599:                     }
  600:                 }
  601:                 $prevdepth = $depth;
  602: 
  603:                 my $itementry =
  604:               '<item identifier="ITEM-'.$env{'request.course.id'}.'-'.$count.
  605:               '" isvisible="'.$isvisible.'" '.$resourceref.'>'.
  606:               '<title>'.$curRes->title().'</title>';
  607:                 print $ims_manifest "\n".$itementry;
  608: 
  609:                 unless ($curRes->is_sequence()) {
  610:                     my $content_file;
  611:                     my @hrefs = ();
  612:                     &process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport);
  613:                     if ($content_file) {
  614:                         $imsresources .= "\n".
  615:                      '   <resource identifier="RES-'.$env{'request.course.id'}.'-'.$count.
  616:                      '" type="webcontent" href="'.$content_file.'">'."\n".
  617:                      '       <file href="'.$content_file.'" />'."\n";
  618:                         foreach (@hrefs) {
  619:                             $imsresources .=
  620:                      '        <file href="'.$_.'" />'."\n";
  621:                         }
  622:                         if (grep/^$count$/,@$discussions) {
  623:                             my $ressymb = $symb;
  624:                             my $mode;
  625:                             if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
  626:                                 unless ($ressymb =~ m|adm/wrapper/adm|) {
  627:                                     $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  628:                                 }
  629:                                 $mode = 'board';
  630:                             }
  631:                             my %extras = (
  632:                                           caller => 'imsexport',
  633:                                           tempexport => $tempexport.'/resources',
  634:                                           count => $count
  635:                                          );
  636:                             my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras);
  637:                         }
  638:                         $imsresources .= '    </resource>'."\n";
  639:                     }
  640:                 }
  641:                 $pkgdepth = $depth;
  642:             }
  643:         }
  644:     }
  645:     while ($pkgdepth > 0) {
  646:         print $ims_manifest "    </item>\n";
  647:         $pkgdepth --;
  648:     }
  649:     my $resource_text = qq|
  650:     </organization>
  651:   </organizations>
  652:   <resources>
  653:     $imsresources
  654:   </resources>
  655: </manifest>
  656:     |;
  657:     print $ims_manifest $resource_text;
  658: }
  659: 
  660: sub get_dependencies {
  661:     my ($exportitems,$parent,$depth,$dependencies) = @_;
  662:     if ($depth > 1) {
  663:         if ((!grep/^$$parent{$depth}$/,@$exportitems) && (!grep/^$$parent{$depth}$/,@$dependencies)) {
  664:             push @$dependencies, $$parent{$depth};
  665:             if ($depth > 2) {
  666:                 &get_dependencies($exportitems,$parent,$depth-1,$dependencies);
  667:             }
  668:         }
  669:     }
  670: }
  671: 
  672: sub process_content {
  673:     my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
  674:     my $content_type;
  675:     my $message;
  676:     my @uploads = ();
  677:     if ($curRes->is_sequence()) {
  678:         $content_type = 'sequence';
  679:     } elsif ($curRes->is_page()) {
  680:         $content_type = 'page'; # need to handle individual items in pages.
  681:     } elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
  682:         $content_type = 'syllabus';
  683:         my $contents = &Apache::imsexport::templatedpage($content_type);
  684:         if ($contents) {
  685:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  686:         }
  687:     } elsif ($symb =~ m-\.sequence___\d+___ext-) {
  688:         $content_type = 'external';
  689:         my $title = $curRes->title;
  690:         my $contents =  &Apache::imsexport::external($symb,$title);
  691:         if ($contents) {
  692:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  693:         }
  694:     } elsif ($symb =~ m-adm/navmaps$-) {
  695:         $content_type =  'navmap';
  696:     } elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) {
  697:         $content_type = 'simplepage';
  698:         my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads);
  699:         if ($contents) {
  700:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  701:         }
  702:     } elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) {
  703:         $content_type = 'simpleproblem';
  704:         my $contents =  &Apache::imsexport::simpleproblem($symb);
  705:         if ($contents) {
  706:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  707:         }
  708:     } elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
  709:         $content_type = 'examupload';
  710:     } elsif ($symb =~ m-adm/($match_domain)/($match_username)/(\d+)/bulletinboard$-) {
  711:         $content_type = 'bulletinboard';
  712:         my $contents =  &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
  713:         if ($contents) {
  714:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  715:         }
  716:     } elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) {
  717:         $content_type = 'aboutme';
  718:         my $contents =  &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2);
  719:         if ($contents) {
  720:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  721:         }
  722:     } elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) {
  723:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  724:     } elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) {
  725:         my $canedit = 0;
  726:         if ($2 eq $env{'user.domain'} && $3 eq $env{'user.name'})  {
  727:             $canedit= 1;
  728:         }
  729: # only include problem code where current user is author
  730:         if ($canedit) {
  731:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource');
  732:         } else {
  733:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit');
  734:         }
  735:     } elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
  736:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  737:     }
  738:     if (@uploads > 0) {
  739:         foreach my $item (@uploads) {
  740:             my $uploadmsg = '';
  741:             &replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload');
  742:             if ($uploadmsg) {
  743:                 $$copyresult .= $uploadmsg."\n";
  744:             }
  745:         }
  746:     }
  747:     if ($message) {
  748:         $$copyresult .= $message."\n";
  749:     }
  750: }
  751: 
  752: sub replicate_content {
  753:     my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
  754:     my ($map,$ind,$url);
  755:     if ($caller eq 'templateupload') {
  756:         $url = $symb;
  757:         $url =~ s#//#/#g;
  758:     } else { 
  759:         ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
  760:     }
  761:     my $content;
  762:     my $filename;
  763:     my $repstatus;
  764:     my $content_name;
  765:     if ($url =~ m-/([^/]+)$-) {
  766:         $filename = $1;
  767:         if (!-e $tempexport.'/resources') {
  768:             mkdir($tempexport.'/resources',0700);
  769:         }
  770:         if (!-e $tempexport.'/resources/'.$count) {
  771:             mkdir($tempexport.'/resources/'.$count,0700);
  772:         }
  773:         my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
  774:         my $copiedfile;
  775:         if ($copiedfile = Apache::File->new('>'.$destination)) {
  776:             my $content;
  777:             if ($caller eq 'resource') {
  778:                 my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
  779:                 my $filepath = &Apache::lonnet::filelocation($respath,$url);
  780:                 $content = &Apache::lonnet::getfile($filepath);
  781:                 if ($content eq -1) {
  782:                     $$message = 'Could not copy file '.$filename;
  783:                 } else {
  784:                     &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'resource');
  785:                     $repstatus = 'ok';
  786:                 }
  787:             } elsif ($caller eq 'uploaded' || $caller eq 'templateupload') {
  788:                 my $rtncode;
  789:                 $repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode);
  790:                 if ($repstatus eq 'ok') {
  791:                     if ($url =~ /\.html?$/i) {
  792:                         &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'uploaded');
  793:                     }
  794:                 } else {
  795:                     $$message = 'Could not render '.$url.' server message - '.$rtncode."<br />\n";
  796:                 }
  797:             } elsif ($caller eq 'noedit') {
  798: # Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this. 
  799:                 $repstatus = 'ok';
  800:                 $content = 'Not the owner of this resource'; 
  801:             }
  802:             if ($repstatus eq 'ok') {
  803:                 print $copiedfile $content;
  804:             }
  805:             close($copiedfile);
  806:         } else {
  807:             $$message = 'Could not open destination file for '.$filename."<br />\n";
  808:         }
  809:     } else {
  810:         $$message = 'Could not determine name of file for '.$symb."<br />\n";
  811:     }
  812:     if ($repstatus eq 'ok') {
  813:         $content_name = 'resources/'.$count.'/'.$filename;
  814:     }
  815:     return $content_name;
  816: }
  817: 
  818: sub extract_media {
  819:     my ($url,$cdom,$cnum,$content,$count,$tempexport,$href,$message,$caller) = @_;
  820:     my ($dirpath,$container);
  821:     my %allfiles = ();
  822:     my %codebase = ();
  823:     if ($url =~ m-(.*/)([^/]+)$-) {
  824:         $dirpath = $1;
  825:         $container = $2;
  826:     } else {
  827:         $dirpath = $url;
  828:         $container = '';
  829:     }
  830:     &Apache::lonnet::extract_embedded_items(undef,\%allfiles,\%codebase,$content);
  831:     foreach my $embed_file (keys(%allfiles)) {
  832:         my $filename;
  833:         if ($embed_file =~ m#([^/]+)$#) {
  834:             $filename = $1;
  835:         } else {
  836:             $filename = $embed_file;
  837:         }
  838:         my $newname = 'res/'.$filename;
  839:         my ($rtncode,$embed_content,$repstatus);
  840:         my $embed_url;
  841:         if ($embed_file =~ m-^/-) {
  842:             $embed_url = $embed_file;           # points to absolute path
  843:         } else {
  844:             if ($embed_file =~ m-https?://-) {
  845:                 next;                           # points to url
  846:             } else {
  847:                 $embed_url = $dirpath.$embed_file;  # points to relative path
  848:             }
  849:         }
  850:         if ($caller eq 'resource') {
  851:             my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';  
  852:             my $embed_path = &Apache::lonnet::filelocation($respath,$embed_url); 
  853:             $embed_content = &Apache::lonnet::getfile($embed_path);
  854:             unless ($embed_content eq -1) {
  855:                 $repstatus = 'ok';
  856:             }
  857:         } elsif ($caller eq 'uploaded') {
  858:             
  859:             $repstatus = &Apache::lonnet::getuploaded('GET',$embed_url,$cdom,$cnum,\$embed_content,$rtncode);
  860:         }
  861:         if ($repstatus eq 'ok') {
  862:             my $destination = $tempexport.'/resources/'.$count.'/res';
  863:             if (!-e "$destination") {
  864:                 mkdir($destination,0755);
  865:             }
  866:             $destination .= '/'.$filename;
  867:             my $copiedfile;
  868:             if ($copiedfile = Apache::File->new('>'.$destination)) {
  869:                 print $copiedfile $embed_content;
  870:                 push @{$href}, 'resources/'.$count.'/res/'.$filename;
  871:                 my $attrib_regexp = '';
  872:                 if (@{$allfiles{$embed_file}} > 1) {
  873:                     $attrib_regexp = join('|',@{$allfiles{$embed_file}});
  874:                 } else {
  875:                     $attrib_regexp = $allfiles{$embed_file}[0];
  876:                 }
  877:                 $$content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$embed_file\E(['"]?)#$1$newname$2#gi;
  878:                 if ($caller eq 'resource' && $container =~ /\.(problem|library)$/) {
  879:                     $$content =~ s#\Q$embed_file\E#$newname#gi;
  880:                 }
  881:             }
  882:         } else {
  883:             $$message .= 'replication of embedded file - '.$embed_file.' in '.$url.' failed, reason -'.$rtncode."<br />\n";
  884:         }
  885:     }
  886:     return;
  887: }
  888: 
  889: sub store_template {
  890:     my ($contents,$tempexport,$count,$content_type) = @_;
  891:     if ($contents) {
  892:         if ($tempexport) {
  893:             if (!-e $tempexport.'/resources') {
  894:                 mkdir($tempexport.'/resources',0700);
  895:             }
  896:             if (!-e $tempexport.'/resources/'.$count) {
  897:                 mkdir($tempexport.'/resources/'.$count,0700);
  898:             }
  899:             my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml';
  900:             my $storetemplate;
  901:             if ($storetemplate = Apache::File->new('>'.$destination)) {
  902:                 print $storetemplate $contents;
  903:                 close($storetemplate);
  904:             }
  905:             if ($content_type eq 'external') {
  906:                 return 'resources/'.$count.'/'.$content_type.'.html';
  907:             } else {
  908:                 return 'resources/'.$count.'/'.$content_type.'.xml';
  909:             }
  910:         }
  911:     }
  912: }
  913: 
  914: 
  915: sub group_import {
  916:     my ($coursenum, $coursedom, $folder, $container, $caller, @files) = @_;
  917: 
  918:     while (@files) {
  919: 	my ($name, $url, $residx) = @{ shift(@files) };
  920:         if (($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/(default_\d+\.)(page|sequence)$}) 
  921: 	     && ($caller eq 'londocs')
  922: 	     && (!&Apache::lonnet::stat_file($url))) {
  923: 	    
  924:             my $errtext = '';
  925:             my $fatal = 0;
  926:             my $newmapstr = '<map>'."\n".
  927:                             '<resource id="1" src="" type="start"></resource>'."\n".
  928:                             '<link from="1" to="2" index="1"></link>'."\n".
  929:                             '<resource id="2" src="" type="finish"></resource>'."\n".
  930:                             '</map>';
  931:             $env{'form.output'}=$newmapstr;
  932:             my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
  933:                                                 'output',$1.$2);
  934:             if ($result != m|^/uploaded/|) {
  935:                 $errtext.='Map not saved: A network error occurred when trying to save the new map. ';
  936:                 $fatal = 2;
  937:             }
  938:             if ($fatal) {
  939:                 return ($errtext,$fatal);
  940:             }
  941:         }
  942: 	if ($url) {
  943: 	    if (!$residx 
  944: 		|| defined($LONCAPA::map::zombies[$residx])) {
  945: 		$residx = &LONCAPA::map::getresidx($url,$residx);
  946: 		push(@LONCAPA::map::order, $residx);
  947: 	    }
  948: 	    my $ext = 'false';
  949: 	    if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
  950: 	    $url  = &LONCAPA::map::qtunescape($url);
  951: 	    $name = &LONCAPA::map::qtunescape($name);
  952: 	    $LONCAPA::map::resources[$residx] = 
  953: 		join(':', ($name, $url, $ext, 'normal', 'res'));
  954: 	}
  955:     }
  956:     return &storemap($coursenum, $coursedom, $folder.'.'.$container);
  957: }
  958: 
  959: sub breadcrumbs {
  960:     my ($where,$allowed,$type)=@_;
  961:     &Apache::lonhtmlcommon::clear_breadcrumbs();
  962:     my (@folders);
  963:     if ($env{'form.pagepath'}) {
  964:         @folders = split('&',$env{'form.pagepath'});
  965:     } else {
  966:         @folders=split('&',$env{'form.folderpath'});
  967:     }
  968:     my $folderpath;
  969:     my $cpinfo='';
  970:     my $plain='';
  971:     my $randompick=-1;
  972:     my $isencrypted=0;
  973:     my $ishidden=0;
  974:     my $is_random_order=0;
  975:     while (@folders) {
  976: 	my $folder=shift(@folders);
  977:     	my $foldername=shift(@folders);
  978: 	if ($folderpath) {$folderpath.='&';}
  979: 	$folderpath.=$folder.'&'.$foldername;
  980: 	my $url='/adm/coursedocs?folderpath='.
  981: 	    &escape($folderpath);
  982: 	    my $name=&unescape($foldername);
  983: # randompick number, hidden, encrypted, random order, is appended with ":"s to the foldername	
  984:  	    $name=~s/\:(\d*)\:(\w*)\:(\w*):(\d*)$//;
  985: 	    if ($1 ne '') { 
  986:                $randompick=$1;
  987:             } else {
  988:                $randompick=-1;
  989:             }
  990:             if ($2) { $ishidden=1; }
  991:             if ($3) { $isencrypted=1; }
  992: 	    if ($4 ne '') { $is_random_order = 1; }
  993:             if ($folder eq 'supplemental') {
  994:                 if ($allowed) {
  995:                     $name = &mt('Supplemental '.$type.' Documents');
  996:                 } else {
  997:                     $name = &mt($type.' Documents');
  998:                 }
  999:             }
 1000: 	    &Apache::lonhtmlcommon::add_breadcrumb(
 1001: 		      {'href'=>$url.$cpinfo,
 1002: 		       'title'=>$name,
 1003: 		       'text'=>'<font size="+1">'.
 1004: 			   $name.'</font>',
 1005: 		       'no_mt'=>1,
 1006: 		       });
 1007: 	$plain.=$name.' &gt; ';
 1008:     }
 1009:     $plain=~s/\&gt\;\s*$//;
 1010:     return (&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'nohelp',
 1011: 					       'LC_docs_path'),$randompick,$ishidden,$isencrypted,$plain,$is_random_order);
 1012: }
 1013: 
 1014: sub log_docs {
 1015:     return &Apache::lonnet::instructor_log('docslog',@_);
 1016: }
 1017: 
 1018: {
 1019:     my @oldresources=();
 1020:     my @oldorder=();
 1021:     my $parmidx;
 1022:     my %parmaction=();
 1023:     my %parmvalue=();
 1024:     my $changedflag;
 1025: 
 1026:     sub snapshotbefore {
 1027:         @oldresources=@LONCAPA::map::resources;
 1028:         @oldorder=@LONCAPA::map::order;
 1029:         $parmidx=undef;
 1030:         %parmaction=();
 1031:         %parmvalue=();
 1032:         $changedflag=0;
 1033:     }
 1034: 
 1035:     sub remember_parms {
 1036:         my ($idx,$parameter,$action,$value)=@_;
 1037:         $parmidx=$idx;
 1038:         $parmaction{$parameter}=$action;
 1039:         $parmvalue{$parameter}=$value;
 1040:         $changedflag=1;
 1041:     }
 1042: 
 1043:     sub log_differences {
 1044:         my ($plain)=@_;
 1045:         my %storehash=('folder' => $plain,
 1046:                        'currentfolder' => $env{'form.folder'});
 1047:         if ($parmidx) {
 1048:            $storehash{'parameter_res'}=$oldresources[$parmidx];
 1049:            foreach my $parm (keys %parmaction) {
 1050:               $storehash{'parameter_action_'.$parm}=$parmaction{$parm};
 1051:               $storehash{'parameter_value_'.$parm}=$parmvalue{$parm};
 1052:            }
 1053:         }
 1054:         my $maxidx=$#oldresources;
 1055:         if ($#LONCAPA::map::resources>$#oldresources) {
 1056:            $maxidx=$#LONCAPA::map::resources;
 1057:         }
 1058:         for (my $idx=0; $idx<=$maxidx; $idx++) {
 1059:            if ($LONCAPA::map::resources[$idx] ne $oldresources[$idx]) {
 1060:               $storehash{'before_resources_'.$idx}=$oldresources[$idx];
 1061:               $storehash{'after_resources_'.$idx}=$LONCAPA::map::resources[$idx];
 1062:               $changedflag=1;
 1063:            }
 1064:            if ($LONCAPA::map::order[$idx] ne $oldorder[$idx]) {
 1065:               $storehash{'before_order_res_'.$idx}=$oldresources[$oldorder[$idx]];
 1066:               $storehash{'after_order_res_'.$idx}=$LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1067:               $changedflag=1;
 1068:            }
 1069:         }
 1070: 	$storehash{'maxidx'}=$maxidx;
 1071:         if ($changedflag) { &log_docs(\%storehash); }
 1072:     }
 1073: }
 1074: 
 1075: 
 1076: 
 1077: 
 1078: 
 1079: sub docs_change_log {
 1080:     my ($r)=@_;
 1081:     my $folder=$env{'form.folder'};
 1082:     $r->print(&Apache::loncommon::start_page('Course Document Change Log'));
 1083:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Document Change Log'));
 1084:     my %docslog=&Apache::lonnet::dump('nohist_docslog',
 1085:                                       $env{'course.'.$env{'request.course.id'}.'.domain'},
 1086:                                       $env{'course.'.$env{'request.course.id'}.'.num'});
 1087: 
 1088:     if ((keys(%docslog))[0]=~/^error\:/) { undef(%docslog); }
 1089: 
 1090:     $r->print('<form action="/adm/coursedocs" method="post" name="docslog">'.
 1091:               '<input type="hidden" name="docslog" value="1" />');
 1092: 
 1093:     my %saveable_parameters = ('show' => 'scalar',);
 1094:     &Apache::loncommon::store_course_settings('docs_log',
 1095:                                               \%saveable_parameters);
 1096:     &Apache::loncommon::restore_course_settings('docs_log',
 1097:                                                 \%saveable_parameters);
 1098:     if (!$env{'form.show'}) { $env{'form.show'}=10; }
 1099:     my %lt=('hiddenresource' => 'Resources hidden',
 1100: 	    'encrypturl'     => 'URL hidden',
 1101: 	    'randompick'     => 'Randomly pick',
 1102: 	    'randomorder'    => 'Randomly ordered',
 1103: 	    'set'            => 'set to',
 1104: 	    'del'            => 'deleted');
 1105:     $r->print(&Apache::loncommon::display_filter().
 1106:               '<input type="hidden" name="folder" value="'.$folder.'" />'.
 1107:               '<input type="submit" value="'.&mt('Display').'" /></form>');
 1108:     $r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
 1109:               '<th>'.&mt('Time').'</th><th>'.&mt('User').'</th><th>'.&mt('Folder').'</th><th>'.&mt('Before').'</th><th>'.
 1110:               &mt('After').'</th>'.
 1111:               &Apache::loncommon::end_data_table_header_row());
 1112:     my $shown=0;
 1113:     foreach my $id (sort { $docslog{$b}{'exe_time'}<=>$docslog{$a}{'exe_time'} } (keys(%docslog))) {
 1114: 	if ($env{'form.displayfilter'} eq 'currentfolder') {
 1115: 	    if ($docslog{$id}{'logentry'}{'currentfolder'} ne $folder) { next; }
 1116: 	}
 1117:         my @changes=keys(%{$docslog{$id}{'logentry'}});
 1118:         if ($env{'form.displayfilter'} eq 'containing') {
 1119: 	    my $wholeentry=$docslog{$id}{'exe_uname'}.':'.$docslog{$id}{'exe_udom'}.':'.
 1120: 		&Apache::loncommon::plainname($docslog{$id}{'exe_uname'},$docslog{$id}{'exe_udom'});
 1121: 	    foreach my $key (@changes) {
 1122: 		$wholeentry.=':'.$docslog{$id}{'logentry'}{$key};
 1123: 	    }
 1124: 	    if ($wholeentry!~/\Q$env{'form.containingphrase'}\E/i) { next; }         
 1125: 	}
 1126:         my $count = 0;
 1127:         my $time =
 1128:             &Apache::lonlocal::locallocaltime($docslog{$id}{'exe_time'});
 1129:         my $plainname =
 1130:             &Apache::loncommon::plainname($docslog{$id}{'exe_uname'},
 1131:                                           $docslog{$id}{'exe_udom'});
 1132:         my $about_me_link =
 1133:             &Apache::loncommon::aboutmewrapper($plainname,
 1134:                                                $docslog{$id}{'exe_uname'},
 1135:                                                $docslog{$id}{'exe_udom'});
 1136:         my $send_msg_link='';
 1137:         if ((($docslog{$id}{'exe_uname'} ne $env{'user.name'})
 1138:              || ($docslog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
 1139:             $send_msg_link ='<br />'.
 1140:                 &Apache::loncommon::messagewrapper(&mt('Send message'),
 1141:                                                    $docslog{$id}{'exe_uname'},
 1142:                                                    $docslog{$id}{'exe_udom'});
 1143:         }
 1144:         $r->print(&Apache::loncommon::start_data_table_row());
 1145:         $r->print('<td>'.$time.'</td>
 1146:                        <td>'.$about_me_link.
 1147:                   '<br /><tt>'.$docslog{$id}{'exe_uname'}.
 1148:                                   ':'.$docslog{$id}{'exe_udom'}.'</tt>'.
 1149:                   $send_msg_link.'</td><td>'.
 1150:                   $docslog{$id}{'logentry'}{'folder'}.'</td><td>');
 1151: # Before
 1152: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1153: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1154: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1155: 	    if ($oldname ne $newname) {
 1156: 		$r->print(&LONCAPA::map::qtescape($oldname));
 1157: 	    }
 1158: 	}
 1159: 	$r->print('<ul>');
 1160: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1161:             if ($docslog{$id}{'logentry'}{'before_order_res_'.$idx}) {
 1162: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'before_order_res_'.$idx}))[0]).'</li>');
 1163: 	    }
 1164: 	}
 1165: 	$r->print('</ul>');
 1166: # After
 1167:         $r->print('</td><td>');
 1168: 
 1169: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1170: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1171: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1172: 	    if ($oldname ne '' && $oldname ne $newname) {
 1173: 		$r->print(&LONCAPA::map::qtescape($newname));
 1174: 	    }
 1175: 	}        
 1176: 	$r->print('<ul>');
 1177: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1178:             if ($docslog{$id}{'logentry'}{'after_order_res_'.$idx}) {
 1179: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'after_order_res_'.$idx}))[0]).'</li>');
 1180: 	    }
 1181: 	}
 1182: 	$r->print('</ul>');
 1183: 	if ($docslog{$id}{'logentry'}{'parameter_res'}) {
 1184: 	    $r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':<ul>');
 1185: 	    foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder') {
 1186: 		if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
 1187: 		    $r->print('<li>'.
 1188: 			      &mt($lt{$parameter}.' '.$lt{$docslog{$id}{'logentry'}{'parameter_action_'.$parameter}}.' [_1]',
 1189: 				  $docslog{$id}{'logentry'}{'parameter_value_'.$parameter})
 1190: 			      .'</li>');
 1191: 		}
 1192: 	    }
 1193: 	    $r->print('</ul>');
 1194: 	}
 1195: # End
 1196:         $r->print('</td>'.&Apache::loncommon::end_data_table_row());
 1197:         $shown++;
 1198:         if (!($env{'form.show'} eq &mt('all')
 1199:               || $shown<=$env{'form.show'})) { last; }
 1200:     }
 1201:     $r->print(&Apache::loncommon::end_data_table());
 1202: }
 1203: 
 1204: sub update_paste_buffer {
 1205:     my ($coursenum,$coursedom) = @_;
 1206: 
 1207:     return if (!defined($env{'form.markcopy'}));
 1208:     return if (!defined($env{'form.copyfolder'}));
 1209:     return if ($env{'form.markcopy'} < 0);
 1210: 
 1211:     my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
 1212: 				    $env{'form.copyfolder'});
 1213:     
 1214:     return if ($fatal);
 1215: 
 1216: # Mark for copying
 1217:     my ($title,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$env{'form.markcopy'}]]);
 1218:     if (&is_supplemental_title($title)) {
 1219:         &Apache::lonnet::appenv({'docs.markedcopy_supplemental' => $title});
 1220: 	($title) = &parse_supplemental_title($title);
 1221:     } elsif ($env{'docs.markedcopy_supplemental'}) {
 1222:         &Apache::lonnet::delenv('docs\\.markedcopy_supplemental');
 1223:     }
 1224:     $url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
 1225: 
 1226:     &Apache::lonnet::appenv({'docs.markedcopy_title' => $title,
 1227: 			    'docs.markedcopy_url'   => $url});
 1228:     delete($env{'form.markcopy'});
 1229: }
 1230: 
 1231: sub print_paste_buffer {
 1232:     my ($r,$container) = @_;
 1233:     return if (!defined($env{'docs.markedcopy_url'}));
 1234: 
 1235:     $r->print(<<ENDPASTE);
 1236: <form name="pasteform" action="/adm/coursedocs" method="post"><p>
 1237: ENDPASTE
 1238:     $r->print('<input type="submit" name="pastemarked" value="'.&mt('Paste').'" /> ');
 1239: 
 1240:     my $type;
 1241:     if ($env{'docs.markedcopy_url'} =~ m{^(?:/adm/wrapper/ext|(?:http|https)(?:&colon;|:))//} ) {
 1242: 	$type = &mt('External Resource');
 1243: 	$r->print($type.': '.
 1244: 		  &LONCAPA::map::qtescape($env{'docs.markedcopy_title'}).' ('.
 1245: 		  &LONCAPA::map::qtescape($env{'docs.markedcopy_url'}).')');
 1246:     }  else {
 1247: 	my $extension = (split(/\./,$env{'docs.markedcopy_url'}))[-1];
 1248: 	my $icon = &Apache::loncommon::icon($extension);
 1249: 	if ($extension eq 'sequence' &&
 1250: 	    $env{'docs.markedcopy_url'} =~ m{/default_\d+\.sequence$ }x) {
 1251: 	    $icon = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
 1252: 	    $icon .= '/folder_closed.gif';
 1253: 	}
 1254: 	$icon = '<img src="'.$icon.'" alt="" class="LC_icon" />';
 1255: 	$r->print($icon.$type.': '.  &parse_supplemental_title(&LONCAPA::map::qtescape($env{'docs.markedcopy_title'})));
 1256:     }
 1257:     if ($container eq 'page') {
 1258: 	$r->print('
 1259: 	<input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />
 1260: 	<input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />
 1261: ');
 1262:     } else {
 1263: 	$r->print('
 1264:         <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
 1265: ');
 1266:     }
 1267:     $r->print('</p></form>');
 1268: }
 1269: 
 1270: sub do_paste_from_buffer {
 1271:     my ($coursenum,$coursedom,$folder) = @_;
 1272: 
 1273:     return 0 if (!$env{'form.pastemarked'});
 1274: 
 1275: # paste resource to end of list
 1276:     my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url'});
 1277:     my $title=&LONCAPA::map::qtescape($env{'docs.markedcopy_title'});
 1278: # Maps need to be copied first
 1279:     if (($url=~/\.(page|sequence)$/) && ($url=~/^\/uploaded\//)) {
 1280: 	$title=&mt('Copy of').' '.$title;
 1281: 	my $newid=$$.time;
 1282: 	$url=~/^(.+)\.(\w+)$/;
 1283: 	my $newurl=$1.$newid.'.'.$2;
 1284: 	my $storefn=$newurl;
 1285: 	$storefn=~s{^/\w+/$match_domain/$match_username/}{};
 1286: 	&Apache::lonclonecourse::writefile($env{'request.course.id'},$storefn,
 1287: 					   &Apache::lonnet::getfile($url));
 1288: 	$url = $newurl;
 1289:     }
 1290: # published maps can only exists once, so remove it from paste buffer when done
 1291:     if (($url=~/\.(page|sequence)$/) && ($url=~m {^/res/})) {
 1292: 	&Apache::lonnet::delenv('docs\\.markedcopy');
 1293:     }
 1294:     if ($url=~ m{/smppg$}) {
 1295: 	my $db_name = &Apache::lonsimplepage::get_db_name($url);
 1296: 	if ($db_name =~ /^smppage_/) {
 1297: 	    #simple pages, need to copy the db contents to a new one.
 1298: 	    my %contents=&Apache::lonnet::dump($db_name,$coursedom,$coursenum);
 1299: 	    my $now = time();
 1300: 	    $db_name =~ s{_\d*$ }{_$now}x;
 1301: 	    my $result=&Apache::lonnet::put($db_name,\%contents,
 1302: 					    $coursedom,$coursenum);
 1303: 	    $url =~ s{/(\d*)/smppg$ }{/$now/smppg}x; 
 1304: 	    $title=&mt('Copy of').' '.$title;
 1305: 	}
 1306:     }
 1307:     $title = &LONCAPA::map::qtunescape($title);
 1308:     my $ext='false';
 1309:     if ($url=~m{^http(|s)://}) { $ext='true'; }
 1310:     $url       = &LONCAPA::map::qtunescape($url);
 1311: # Now insert the URL at the bottom
 1312:     my $newidx = &LONCAPA::map::getresidx($url);
 1313:     if ($env{'docs.markedcopy_supplemental'}) {
 1314:         if ($folder =~ /^supplemental/) {
 1315:             $title = $env{'docs.markedcopy_supplemental'};
 1316:         } else {
 1317:             (undef,undef,$title) = 
 1318:                 &parse_supplemental_title($env{'docs.markedcopy_supplemental'});
 1319:         }
 1320:     } else {
 1321:         if ($folder=~/^supplemental/) {
 1322:            $title=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1323:                   $env{'user.domain'}.'___&&&___'.$title;
 1324:         }
 1325:     }
 1326: 
 1327:     $LONCAPA::map::resources[$newidx]= 	$title.':'.$url.':'.$ext.':normal:res';
 1328:     push(@LONCAPA::map::order, $newidx);
 1329: # Store the result
 1330: }
 1331: 
 1332: my %parameter_type = ( 'randompick'     => 'int_pos',
 1333: 		       'hiddenresource' => 'string_yesno',
 1334: 		       'encrypturl'     => 'string_yesno',
 1335: 		       'randomorder'    => 'string_yesno',);
 1336: my $valid_parameters_re = join('|',keys(%parameter_type));
 1337: # set parameters
 1338: sub update_parameter {
 1339: 
 1340:     return 0 if ($env{'form.changeparms'} !~ /^($valid_parameters_re)$/);
 1341: 
 1342:     my $which = $env{'form.changeparms'};
 1343:     my $idx = $env{'form.setparms'};
 1344:     if ($env{'form.'.$which.'_'.$idx}) {
 1345: 	my $value = ($which eq 'randompick') ? $env{'form.'.$which.'_'.$idx}
 1346: 	                                     : 'yes';
 1347: 	&LONCAPA::map::storeparameter($idx, 'parameter_'.$which, $value,
 1348: 				      $parameter_type{$which});
 1349: 	&remember_parms($idx,$which,'set',$value);
 1350:     } else {
 1351: 	&LONCAPA::map::delparameter($idx,'parameter_'.$which);
 1352: 	
 1353: 	&remember_parms($idx,$which,'del');
 1354:     }
 1355:     return 1;
 1356: }
 1357: 
 1358: 
 1359: sub handle_edit_cmd {
 1360:     my ($coursenum,$coursedom) =@_;
 1361: 
 1362:     my ($cmd,$idx)=split('_',$env{'form.cmd'});
 1363: 
 1364:     my $ratstr = $LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1365:     my ($title, $url, @rrest) = split(':', $ratstr);
 1366: 
 1367:     if ($cmd eq 'del') {
 1368: 	if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
 1369: 	    ($url!~/\.(page|sequence|problem|exam|quiz|assess|survey|form|library|task)$/)) {
 1370: 	    &Apache::lonnet::removeuploadedurl($url);
 1371: 	} else {
 1372: 	    &LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1373: 	}
 1374: 	splice(@LONCAPA::map::order, $idx, 1);
 1375: 
 1376:     } elsif ($cmd eq 'cut') {
 1377: 	&LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1378: 	splice(@LONCAPA::map::order, $idx, 1);
 1379: 
 1380:     } elsif ($cmd eq 'up' 
 1381: 	     && ($idx) && (defined($LONCAPA::map::order[$idx-1]))) {
 1382: 	@LONCAPA::map::order[$idx-1,$idx] = @LONCAPA::map::order[$idx,$idx-1];
 1383: 
 1384:     } elsif ($cmd eq 'down'
 1385: 	     && defined($LONCAPA::map::order[$idx+1])) {
 1386: 	@LONCAPA::map::order[$idx+1,$idx] = @LONCAPA::map::order[$idx,$idx+1];
 1387: 
 1388:     } elsif ($cmd eq 'rename') {
 1389: 
 1390: 	my $comment = &LONCAPA::map::qtunescape($env{'form.title'});
 1391: 	if ($comment=~/\S/) {
 1392: 	    $LONCAPA::map::resources[$LONCAPA::map::order[$idx]]=
 1393: 		$comment.':'.join(':', $url, @rrest);
 1394: 	}
 1395: # Devalidate title cache
 1396: 	my $renamed_url=&LONCAPA::map::qtescape($url);
 1397: 	&Apache::lonnet::devalidate_title_cache($renamed_url);
 1398:     } else {
 1399: 	return 0;
 1400:     }
 1401:     return 1;
 1402: }
 1403: 
 1404: sub editor {
 1405:     my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output,$type)=@_;
 1406: 
 1407:     my $container= ($env{'form.pagepath'}) ? 'page'
 1408: 		                           : 'sequence';
 1409: 
 1410:     my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
 1411: 				    $folder.'.'.$container);
 1412:     return $errtext if ($fatal);
 1413: 
 1414:     if ($#LONCAPA::map::order<1) {
 1415: 	my $idx=&LONCAPA::map::getresidx();
 1416: 	if ($idx<=0) { $idx=1; }
 1417:        	$LONCAPA::map::order[0]=$idx;
 1418:         $LONCAPA::map::resources[$idx]='';
 1419:     }
 1420:     
 1421:     my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,$is_random_order)=
 1422: 	&breadcrumbs($folder,$allowed,$type);
 1423:     $r->print($breadcrumbtrail);
 1424:     
 1425: # ------------------------------------------------------------ Process commands
 1426: 
 1427: # ---------------- if they are for this folder and user allowed to make changes
 1428:     if (($allowed) && ($env{'form.folder'} eq $folder)) {
 1429: # set parameters and change order
 1430: 	&snapshotbefore();
 1431: 
 1432: 	if (&update_parameter()) {
 1433: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1434: 	    return $errtext if ($fatal);
 1435: 	}
 1436: 
 1437: 	if ($env{'form.newpos'} && $env{'form.currentpos'}) {
 1438: # change order
 1439: 	    my $res = splice(@LONCAPA::map::order,$env{'form.currentpos'}-1,1);
 1440: 	    splice(@LONCAPA::map::order,$env{'form.newpos'}-1,0,$res);
 1441: 
 1442: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1443: 	    return $errtext if ($fatal);
 1444: 	}
 1445: 	    
 1446: 	if ($env{'form.pastemarked'}) {
 1447: 	    &do_paste_from_buffer($coursenum,$coursedom,$folder);
 1448: 	    ($errtext,$fatal) = &storemap($coursenum,$coursedom,$folder.'.'.$container);
 1449: 	    return $errtext if ($fatal);
 1450: 	}
 1451: 
 1452: 	$r->print($upload_output);
 1453: 
 1454: 	if (&handle_edit_cmd()) {
 1455: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1456: 	    return $errtext if ($fatal);
 1457: 	}
 1458: # Group import/search
 1459: 	if ($env{'form.importdetail'}) {
 1460: 	    my @imports;
 1461: 	    foreach (split(/\&/,$env{'form.importdetail'})) {
 1462: 		if (defined($_)) {
 1463: 		    my ($name,$url,$residx)=
 1464: 			map {&unescape($_)} split(/\=/,$_);
 1465: 		    push(@imports, [$name, $url, $residx]);
 1466: 		}
 1467: 	    }
 1468: 	    ($errtext,$fatal)=&group_import($coursenum, $coursedom, $folder,
 1469: 					    $container,'londocs',@imports);
 1470: 	    return $errtext if ($fatal);
 1471: 	}
 1472: # Loading a complete map
 1473: 	if ($env{'form.loadmap'}) {
 1474: 	    if ($env{'form.importmap'}=~/\w/) {
 1475: 		foreach my $res (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$env{'form.importmap'}))) {
 1476: 		    my ($title,$url,$ext,$type)=split(/\:/,$res);
 1477: 		    my $idx=&LONCAPA::map::getresidx($url);
 1478: 		    $LONCAPA::map::resources[$idx]=$res;
 1479: 		    $LONCAPA::map::order[$#LONCAPA::map::order+1]=$idx;
 1480: 		}
 1481: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1482: 					    $folder.'.'.$container);
 1483: 		return $errtext if ($fatal);
 1484: 	    } else {
 1485: 		$r->print('<p><span class="LC_error">'.&mt('No map selected.').'</span></p>');
 1486: 		
 1487: 	    }
 1488: 	}
 1489: 	&log_differences($plain);
 1490:     }
 1491: # ---------------------------------------------------------------- End commands
 1492: # ---------------------------------------------------------------- Print screen
 1493:     my $idx=0;
 1494:     my $shown=0;
 1495:     if (($ishidden) || ($isencrypted) || ($randompick>=0) || ($is_random_order)) {
 1496: 	$r->print('<p>'.&mt('Parameters').':<ul>'.
 1497: 		  ($randompick>=0?'<li>'.&mt('randomly pick [_1] resources',$randompick).'</li>':'').
 1498: 		  ($ishidden?'<li>'.&mt('contents hidden').'</li>':'').
 1499: 		  ($isencrypted?'<li>'.&mt('URLs hidden').'</li>':'').
 1500: 		  '</ul></p>');
 1501:     }                                                                                                     
 1502:     if ($randompick>=0) {
 1503: 	$r->print('<p>'.&mt('Caution: this folder is set to randomly pick a subset of resources. Adding or removing resources from this folder will change the set of resources that the students see, resulting in spurious or missing credit for completed problems, not limited to ones you modify. Do not modify the contents of this folder if it is in active student use.').'</p>');
 1504:     }
 1505:     if ($is_random_order) {
 1506: 	$r->print('<p>'.&mt('Caution: this folder is set to randomly order its contents. Adding or removing resources from this folder will change the order of resources shown.').'</p>');
 1507:     }
 1508:     $r->print('<table class="LC_docs_editor">');
 1509:     foreach my $res (@LONCAPA::map::order) {
 1510: 	my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
 1511: 	$name=&LONCAPA::map::qtescape($name);
 1512: 	$url=&LONCAPA::map::qtescape($url);
 1513: 	unless ($name) {  $name=(split(/\//,$url))[-1]; }
 1514: 	unless ($name) { $idx++; next; }
 1515: 	$r->print(&entryline($idx,$name,$url,$folder,$allowed,$res,
 1516: 			     $coursenum));
 1517: 	$idx++;
 1518: 	$shown++;
 1519:     }
 1520:     unless ($shown) {
 1521: 	$r->print('<tr><td>'.&mt('Currently no documents.').'</td></tr>');
 1522:     }
 1523:     $r->print("\n</table>\n");
 1524:     if ($allowed) {
 1525:         &print_paste_buffer($r,$container);
 1526:     }
 1527:     return;
 1528: }
 1529: 
 1530: sub process_file_upload {
 1531:     my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd) = @_;
 1532: # upload a file, if present
 1533:     my $parseaction;
 1534:    if ($env{'form.parserflag'}) {
 1535:         $parseaction = 'parse';
 1536:     }
 1537:     my $phase_status;
 1538:     my $folder=$env{'form.folder'};
 1539:     if ($folder eq '') {
 1540:         $folder='default';
 1541:     }
 1542:     if ( ($folder=~/^$uploadcmd/) || ($uploadcmd eq 'default') ) {
 1543:         my $errtext='';
 1544:         my $fatal=0;
 1545:         my $container='sequence';
 1546:         if ($env{'form.pagepath'}) {
 1547:             $container='page';
 1548:         }
 1549:         ($errtext,$fatal)=
 1550:               &mapread($coursenum,$coursedom,$folder.'.'.$container);
 1551:         if ($#LONCAPA::map::order<1) {
 1552:             $LONCAPA::map::order[0]=1;
 1553:             $LONCAPA::map::resources[1]='';
 1554:         }
 1555:         if ($fatal) {
 1556:             return 'failed';
 1557:         }
 1558:         my $destination = 'docs/';
 1559:         if ($folder =~ /^supplemental/) {
 1560:             $destination = 'supplemental/';
 1561:         }
 1562:         if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1563:             $destination .= 'default/';
 1564:         } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1565:             $destination .=  $2.'/';
 1566:         }
 1567: # this is for a course, not a user, so set coursedoc flag
 1568: # probably the only place in the system where this should be "1"
 1569:         my $newidx=&LONCAPA::map::getresidx();
 1570:         $destination .= $newidx;
 1571:         my $url=&Apache::lonnet::userfileupload('uploaddoc',1,$destination,
 1572: 						$parseaction,$allfiles,
 1573: 						$codebase);
 1574:         my $ext='false';
 1575:         if ($url=~m{^http://}) { $ext='true'; }
 1576: 	$url     = &LONCAPA::map::qtunescape($url);
 1577:         my $comment=$env{'form.comment'};
 1578: 	$comment = &LONCAPA::map::qtunescape($comment);
 1579:         if ($folder=~/^supplemental/) {
 1580:               $comment=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1581:                   $env{'user.domain'}.'___&&&___'.$comment;
 1582:         }
 1583: 
 1584:         $LONCAPA::map::resources[$newidx]=
 1585: 	    $comment.':'.$url.':'.$ext.':normal:res';
 1586:         $LONCAPA::map::order[$#LONCAPA::map::order+1]= $newidx;
 1587:         ($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1588: 				    $folder.'.'.$container);
 1589:         if ($fatal) {
 1590:             $$upload_output .= '<p><span class="LC_error">'.$errtext.'</span></p>';
 1591:             return 'failed';
 1592:         } else {
 1593:             if ($parseaction eq 'parse') {
 1594:                 my $total_embedded = keys(%{$allfiles});
 1595:                 if ($total_embedded > 0) {
 1596:                     my $num = 0;
 1597: 		    my $state = '
 1598:    <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
 1599:    <input type="hidden" name="cmd" value="upload_embedded" />
 1600:    <input type="hidden" name="newidx" value="'.$newidx.'" />
 1601:    <input type="hidden" name="primaryurl" value="'.&escape($url).'" />
 1602:    <input type="hidden" name="phasetwo" value="'.$total_embedded.'" />';
 1603: 		    $phase_status = 'phasetwo';
 1604: 
 1605:                     $$upload_output .= 
 1606: 			'This file contains embedded multimedia objects, which need to be uploaded to LON-CAPA.<br />'.
 1607: 			&Apache::loncommon::ask_for_embedded_content(
 1608:                             '/adm/coursedocs',$state,$allfiles,$codebase);
 1609:                 } else {
 1610:                     $$upload_output .= 'No embedded items identified<br />';
 1611:                 }
 1612:             }
 1613:         }
 1614:     }
 1615:     return $phase_status;
 1616: }
 1617: 
 1618: sub process_secondary_uploads {
 1619:     my ($upload_output,$coursedom,$coursenum,$formname,$num,$newidx) = @_;
 1620:     my $folder=$env{'form.folder'};
 1621:     my $destination = 'docs/';
 1622:     if ($folder =~ /^supplemental/) {
 1623:         $destination = 'supplemental/';
 1624:     }
 1625:     if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1626:         $destination .= 'default/';
 1627:     } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1628:         $destination .=  $2.'/';
 1629:     }
 1630:     $destination .= $newidx;
 1631:     my ($url,$filename);
 1632:     $url=&Apache::lonnet::userfileupload($formname.$num,1,$destination);
 1633:     ($filename) = ($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/\Q$destination\E/(.+)$});
 1634:     return $filename;
 1635: }
 1636: 
 1637: sub is_supplemental_title {
 1638:     my ($title) = @_;
 1639:     return scalar($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/);
 1640: }
 1641: 
 1642: sub parse_supplemental_title {
 1643:     my ($title) = @_;
 1644: 
 1645:     my ($foldertitle,$renametitle);
 1646:     if ($title =~ /&amp;&amp;&amp;/) {
 1647: 	$title = &HTML::Entites::decode($title);
 1648:     }
 1649:  if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
 1650: 	$renametitle=$4;
 1651: 	my ($time,$uname,$udom) = ($1,$2,$3);
 1652: 	$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
 1653: 	my $name =  &Apache::loncommon::plainname($uname,$udom);
 1654: 	$name = &HTML::Entities::encode($name,'"<>&\'');
 1655: 	$title='<i>'.&Apache::lonlocal::locallocaltime($time).'</i> '.
 1656: 	    $name.': <br />'.$foldertitle;
 1657:     }
 1658:     if (wantarray) {
 1659: 	return ($title,$foldertitle,$renametitle);
 1660:     } 
 1661:     return $title;
 1662: }
 1663: 
 1664: # --------------------------------------------------------------- An entry line
 1665: 
 1666: sub entryline {
 1667:     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum)=@_;
 1668: 
 1669:     my ($foldertitle,$pagetitle,$renametitle);
 1670:     if (&is_supplemental_title($title)) {
 1671: 	($title,$foldertitle,$renametitle) = &parse_supplemental_title($title);
 1672: 	$pagetitle = $foldertitle;
 1673:     } else {
 1674: 	$title=&HTML::Entities::encode($title,'"<>&\'');
 1675: 	$renametitle=$title;
 1676: 	$foldertitle=$title;
 1677: 	$pagetitle=$title;
 1678:     }
 1679: 
 1680:     my $orderidx=$LONCAPA::map::order[$index];
 1681:     
 1682: 
 1683:     $renametitle=~s/\\/\\\\/g;
 1684:     $renametitle=~s/\&quot\;/\\\"/g;
 1685:     $renametitle=~s/ /%20/g;
 1686:     my $line='<tr>';
 1687:     my ($form_start,$form_end);
 1688: # Edit commands
 1689:     my ($container, $type, $esc_path, $path, $symb);
 1690:     if ($env{'form.folderpath'}) {
 1691: 	$type = 'folder';
 1692:         $container = 'sequence';
 1693: 	$esc_path=&escape($env{'form.folderpath'});
 1694: 	$path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 1695: 	# $htmlfoldername=&HTML::Entities::encode($env{'form.foldername'},'<>&"');
 1696:     }
 1697:     if ($env{'form.pagepath'}) {
 1698:         $type = $container = 'page';
 1699:         $esc_path=&escape($path = $env{'form.pagepath'});
 1700: 	$path = &HTML::Entities::encode($env{'form.pagepath'},'<>&"');
 1701:         $symb=&escape($env{'form.pagesymb'});
 1702:     }
 1703:     my $cpinfo='';
 1704:     if ($allowed) {
 1705: 	my $incindex=$index+1;
 1706: 	my $selectbox='';
 1707: 	if (($folder!~/^supplemental/) &&
 1708: 	    ($#LONCAPA::map::order>0) && 
 1709: 	    ((split(/\:/,
 1710: 	     $LONCAPA::map::resources[$LONCAPA::map::order[0]]))[1] 
 1711: 	     ne '') && 
 1712: 	    ((split(/\:/,
 1713: 	     $LONCAPA::map::resources[$LONCAPA::map::order[1]]))[1] 
 1714: 	     ne '')) {
 1715: 	    $selectbox=
 1716: 		'<input type="hidden" name="currentpos" value="'.$incindex.'" />'.
 1717: 		'<select name="newpos" onChange="this.form.submit()">';
 1718: 	    for (my $i=1;$i<=$#LONCAPA::map::order+1;$i++) {
 1719: 		if ($i==$incindex) {
 1720: 		    $selectbox.='<option value="" selected="1">('.$i.')</option>';
 1721: 		} else {
 1722: 		    $selectbox.='<option value="'.$i.'">'.$i.'</option>';
 1723: 		}
 1724: 	    }
 1725: 	    $selectbox.='</select>';
 1726: 	}
 1727: 	my %lt=&Apache::lonlocal::texthash(
 1728:                 'up' => 'Move Up',
 1729: 		'dw' => 'Move Down',
 1730: 		'rm' => 'Remove',
 1731:                 'ct' => 'Cut',
 1732: 		'rn' => 'Rename',
 1733: 		'cp' => 'Copy');
 1734: 	my $nocopy=0;
 1735:         my $nocut=0;
 1736:         if ($url=~/\.(page|sequence)$/) {
 1737: 	    if ($url =~ m{/res/}) {
 1738: 		# no copy for published maps
 1739: 		$nocopy = 1;
 1740: 	    } else {
 1741: 		foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url),1)) {
 1742: 		    my ($title,$url,$ext,$type)=split(/\:/,$_);
 1743: 		    if (($url=~/\.(page|sequence)/) && ($type ne 'zombie')) {
 1744: 			$nocopy=1;
 1745: 			last;
 1746: 		    }
 1747: 		}
 1748: 	    }
 1749: 	}
 1750:         if ($url=~/^\/res\/lib\/templates\//) { 
 1751:            $nocopy=1; 
 1752:            $nocut=1;
 1753:         }
 1754:         my $copylink='&nbsp;';
 1755:         my $cutlink='&nbsp;';
 1756: 	
 1757: 	my $skip_confirm = 0;
 1758: 	if ( $folder =~ /^supplemental/
 1759: 	     || ($url =~ m{( /smppg$
 1760: 			    |/syllabus$
 1761: 			    |/aboutme$
 1762: 			    |/navmaps$
 1763: 			    |/bulletinboard$
 1764: 			    |\.html$
 1765: 			    |^/adm/wrapper/ext)}x)) {
 1766: 	    $skip_confirm = 1;
 1767: 	}
 1768: 
 1769: 	if (!$nocopy) {
 1770: 	    $copylink=(<<ENDCOPY);
 1771: <a href='javascript:markcopy("$esc_path","$index","$renametitle","$container","$symb","$folder");' class="LC_docs_copy">$lt{'cp'}</a>
 1772: ENDCOPY
 1773:         }
 1774: 	if (!$nocut) {
 1775: 	    $cutlink=(<<ENDCUT);
 1776: <a href='javascript:cutres("$esc_path","$index","$renametitle","$container","$symb","$folder",$skip_confirm);' class="LC_docs_cut">$lt{'ct'}</a>
 1777: ENDCUT
 1778:         }
 1779: 	$form_start = (<<END);
 1780:    <form  action="/adm/coursedocs" method="post">
 1781:    <input type="hidden" name="${type}path" value="$path" />
 1782:    <input type="hidden" name="${type}symb" value="$symb" />
 1783:    <input type="hidden" name="setparms" value="$orderidx" />
 1784:    <input type="hidden" name="changeparms" value="0" />
 1785: END
 1786:         $form_end = '</form>';
 1787: 	$line.=(<<END);
 1788: <td>
 1789:    <table class="LC_docs_entry_move">
 1790:       <tr>
 1791:          <td>
 1792:             <a href='/adm/coursedocs?cmd=up_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'><img src="${iconpath}move_up.gif" alt='$lt{'up'}' class="LC_icon" /></a>
 1793:          </td>
 1794:       </tr>
 1795:       <tr>
 1796:         <td>
 1797:            <a href='/adm/coursedocs?cmd=down_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'><img src="${iconpath}move_down.gif" alt='$lt{'dw'}' class="LC_icon" /></a>
 1798:         </td>
 1799:       </tr>
 1800:     </table>
 1801: </td>
 1802: <td>
 1803:    $form_start
 1804:    $selectbox
 1805:    $form_end
 1806: </td>
 1807: <td class="LC_docs_entry_commands">
 1808:    <a href='javascript:removeres("$esc_path","$index","$renametitle","$container","$symb",$skip_confirm);' class="LC_docs_remove">$lt{'rm'}</a>
 1809: $cutlink
 1810:    <a href='javascript:changename("$esc_path","$index","$renametitle","$container","$symb");' class="LC_docs_rename">$lt{'rn'}</a>
 1811: $copylink
 1812: </td>
 1813: END
 1814: 
 1815:     }
 1816: # Figure out what kind of a resource this is
 1817:     my ($extension)=($url=~/\.(\w+)$/);
 1818:     my $uploaded=($url=~/^\/*uploaded\//);
 1819:     my $icon=&Apache::loncommon::icon($url);
 1820:     my $isfolder=0;
 1821:     my $ispage=0;
 1822:     my $folderarg;
 1823:     my $pagearg;
 1824:     my $pagefile;
 1825:     if ($uploaded) {
 1826: 	if ($extension eq 'sequence') {
 1827: 	    $icon=$iconpath.'/folder_closed.gif';
 1828: 	    $url=~/\Q$coursenum\E\/([\/\w]+)\.sequence$/;
 1829: 	    $url='/adm/coursedocs?';
 1830: 	    $folderarg=$1;
 1831: 	    $isfolder=1;
 1832:         } elsif ($extension eq 'page') {
 1833:             $icon=$iconpath.'/page.gif';
 1834:             $url=~/\Q$coursenum\E\/([\/\w]+)\.page$/;
 1835:             $pagearg=$1;
 1836:             $url='/adm/coursedocs?';
 1837:             $ispage=1;
 1838: 	} else {
 1839: 	    &Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
 1840: 	}
 1841:     }
 1842:     
 1843:     my $orig_url = $url;
 1844:     my $external = ($url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/});
 1845:     if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) {
 1846: 	my $symb=&Apache::lonnet::symbclean(
 1847:           &Apache::lonnet::declutter('uploaded/'.
 1848:            $env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1849:            $env{'course.'.$env{'request.course.id'}.'.num'}.'/'.$folder.
 1850:            '.sequence').
 1851:            '___'.$residx.'___'.
 1852: 	   &Apache::lonnet::declutter($url));
 1853: 	(undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
 1854: 	$url=&Apache::lonnet::clutter($url);
 1855: 	if ($url=~/^\/*uploaded\//) {
 1856: 	    $url=~/\.(\w+)$/;
 1857: 	    my $embstyle=&Apache::loncommon::fileembstyle($1);
 1858: 	    if (($embstyle eq 'img') || ($embstyle eq 'emb')) {
 1859: 		$url='/adm/wrapper'.$url;
 1860: 	    } elsif ($embstyle eq 'ssi') {
 1861: 		#do nothing with these
 1862: 	    } elsif ($url!~/\.(sequence|page)$/) {
 1863: 		$url='/adm/coursedocs/showdoc'.$url;
 1864: 	    }
 1865: 	} elsif ($url=~m|^/ext/|) { 
 1866: 	    $url='/adm/wrapper'.$url;
 1867: 	    $external = 1;
 1868: 	}
 1869:         if (&Apache::lonnet::symbverify($symb,$url)) {
 1870: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 1871:         } else {
 1872:             $url='';
 1873:         }
 1874: 	if ($container eq 'page') {
 1875: 	    my $symb=$env{'form.pagesymb'};
 1876: 	    	    
 1877: 	    $url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
 1878: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 1879: 	}
 1880:     }
 1881:     my ($parameterset,$rand_order_text) = ('&nbsp;', '&nbsp;');
 1882:     if ($isfolder || $extension eq 'sequence') {
 1883: 	my $foldername=&escape($foldertitle);
 1884: 	my $folderpath=$env{'form.folderpath'};
 1885: 	if ($folderpath) { $folderpath.='&' };
 1886: # Append randompick number, hidden, and encrypted with ":" to foldername, 
 1887: # so it gets transferred between levels
 1888: 	$folderpath.=$folderarg.'&'.$foldername.':'.(&LONCAPA::map::getparameter($orderidx,
 1889:                                               'parameter_randompick'))[0]
 1890:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1891:                                               'parameter_hiddenresource'))[0]=~/^yes$/i)
 1892:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1893:                                               'parameter_encrypturl'))[0]=~/^yes$/i)
 1894:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1895:                                               'parameter_randomorder'))[0]=~/^yes$/i);
 1896: 	$url.='folderpath='.&escape($folderpath).$cpinfo;
 1897: 	$parameterset='<label>'.&mt('Randomly Pick: ').
 1898: 	    '<input type="text" size="4" onChange="this.form.changeparms.value='."'randompick'".';this.form.submit()" name="randompick_'.$orderidx.'" value="'.
 1899: 	    (&LONCAPA::map::getparameter($orderidx,
 1900:                                               'parameter_randompick'))[0].
 1901:                                               '" />'.
 1902: '<a href="javascript:void(0)">'.&mt('Save').'</a></label>';
 1903:     	my $ro_set=
 1904: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_randomorder'))[0]=~/^yes$/i?' checked="checked"':'');
 1905: 	$rand_order_text ='
 1906: <nobr><label><input type="checkbox" name="randomorder_'.$orderidx.'" onClick="this.form.changeparms.value=\'randomorder\';this.form.submit()" '.$ro_set.' /> '.&mt('Random Order').' </label></nobr>';   
 1907:     }
 1908:     if ($ispage) {
 1909:         my $pagename=&escape($pagetitle);
 1910:         my $pagepath;
 1911:         my $folderpath=$env{'form.folderpath'};
 1912:         if ($folderpath) { $pagepath = $folderpath.'&' };
 1913:         $pagepath.=$pagearg.'&'.$pagename;
 1914: 	my $symb=$env{'form.pagesymb'};
 1915: 	if (!$symb) {
 1916: 	    my $path='uploaded/'.
 1917: 		$env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1918: 		$env{'course.'.$env{'request.course.id'}.'.num'}.'/';
 1919: 	    $symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
 1920: 					       $residx,
 1921: 					       $path.$pagearg.'.page');
 1922: 	}
 1923: 	$url.='pagepath='.&escape($pagepath).
 1924: 	    '&amp;pagesymb='.&escape($symb).$cpinfo;
 1925:     }
 1926:     if ($external) {
 1927: 	my $form = ($folder =~ /^default/)? 'newext' : 'supnewext';
 1928: 	$external = '&nbsp;<a class="LC_docs_ext_edit" href="javascript:edittext(\''.$form.'\',\''.$residx.'\',\''.&escape($title).'\',\''.&escape($orig_url).'\');" >'.&mt('Edit').'</a>';
 1929:     } else {
 1930: 	undef($external);
 1931:     }
 1932:     $line.='
 1933:   <td class="LC_docs_entry_icon">
 1934:     '.($url?'<a href="'.$url.'">':'').'<img src="'.$icon.'" alt="" class="LC_icon" />'.($url?'</a>':'').'
 1935:   </td>
 1936:   <td class="LC_docs_entry_title">
 1937:     '.($url?"<a href=\"$url\">":'').$title.($url?'</a>':' <span class="LC_docs_reinit_warn">'.&mt('(re-initialize course to access)').'</span>').$external."
 1938:   </td>";
 1939:     if (($allowed) && ($folder!~/^supplemental/)) {
 1940:  	my %lt=&Apache::lonlocal::texthash(
 1941:  			      'hd' => 'Hidden',
 1942:  			      'ec' => 'URL hidden');
 1943: 	my $enctext=
 1944: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':'');
 1945: 	my $hidtext=
 1946: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="1"':'');
 1947: 	$line.=(<<ENDPARMS);
 1948:   <td class="LC_docs_entry_parameter">
 1949:     $form_start
 1950:     <label><input type="checkbox" name="hiddenresource_$orderidx" onClick="this.form.changeparms.value='hiddenresource';this.form.submit()" $hidtext /> $lt{'hd'}</label>
 1951:     $form_end
 1952:   </td>
 1953:   <td class="LC_docs_entry_parameter">
 1954:     $form_start
 1955:     <label><input type="checkbox" name="encrypturl_$orderidx" onClick="this.form.changeparms.value='encrypturl';this.form.submit()" $enctext /> $lt{'ec'}</label>
 1956:     $form_end
 1957:   </td>
 1958:   <td class="LC_docs_entry_parameter">$form_start $rand_order_text $form_end</td>
 1959:   <td class="LC_docs_entry_parameter">$form_start $parameterset $form_end</td>
 1960: ENDPARMS
 1961:     }
 1962:     $line.="</tr>";
 1963:     return $line;
 1964: }
 1965: 
 1966: =pod
 1967: 
 1968: =item tiehash()
 1969: 
 1970: tie the hash
 1971: 
 1972: =cut
 1973: 
 1974: sub tiehash {
 1975:     my ($mode)=@_;
 1976:     $hashtied=0;
 1977:     if ($env{'request.course.fn'}) {
 1978: 	if ($mode eq 'write') {
 1979: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 1980: 		    &GDBM_WRCREAT(),0640)) {
 1981:                 $hashtied=2;
 1982: 	    }
 1983: 	} else {
 1984: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 1985: 		    &GDBM_READER(),0640)) {
 1986:                 $hashtied=1;
 1987: 	    }
 1988: 	}
 1989:     }    
 1990: }
 1991: 
 1992: sub untiehash {
 1993:     if ($hashtied) { untie %hash; }
 1994:     $hashtied=0;
 1995:     return OK;
 1996: }
 1997: 
 1998: 
 1999: 
 2000: 
 2001: sub checkonthis {
 2002:     my ($r,$url,$level,$title)=@_;
 2003:     $url=&unescape($url);
 2004:     $alreadyseen{$url}=1;
 2005:     $r->rflush();
 2006:     if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
 2007:        $r->print("\n<br />");
 2008:        if ($level==0) {
 2009:            $r->print("<br />");
 2010:        }
 2011:        for (my $i=0;$i<=$level*5;$i++) {
 2012:            $r->print('&nbsp;');
 2013:        }
 2014:        $r->print('<a href="'.$url.'" target="cat">'.
 2015: 		 ($title?$title:$url).'</a> ');
 2016:        if ($url=~/^\/res\//) {
 2017: 	  my $result=&Apache::lonnet::repcopy(
 2018:                               &Apache::lonnet::filelocation('',$url));
 2019:           if ($result eq 'ok') {
 2020:              $r->print('<span class="LC_success">'.&mt('ok').'</span>');
 2021:              $r->rflush();
 2022:              &Apache::lonnet::countacc($url);
 2023:              $url=~/\.(\w+)$/;
 2024:              if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
 2025: 		 $r->print('<br />');
 2026:                  $r->rflush();
 2027:                  for (my $i=0;$i<=$level*5;$i++) {
 2028:                      $r->print('&nbsp;');
 2029:                  }
 2030:                  $r->print('- '.&mt('Rendering:').' ');
 2031: 		 my ($errorcount,$warningcount)=split(/:/,
 2032: 	       &Apache::lonnet::ssi_body($url,
 2033: 			       ('grade_target'=>'web',
 2034: 				'return_only_error_and_warning_counts' => 1)));
 2035:                  if (($errorcount) ||
 2036:                      ($warningcount)) {
 2037: 		     if ($errorcount) {
 2038:                         $r->print('<img src="/adm/lonMisc/bomb.gif" /><span class="LC_error">'.
 2039:                           &mt('[quant,_1,error]',$errorcount).'</span>');
 2040:                      }
 2041: 		     if ($warningcount) {
 2042:                         $r->print('<span class="LC_warning">'.
 2043:                           &mt('[quant,_1,warning]',$warningcount).'</span>');
 2044:                      }
 2045:                  } else {
 2046:                      $r->print('<span class="LC_success">'.&mt('ok').'</span>');
 2047:                  }
 2048:                  $r->rflush();
 2049:              }
 2050: 	     my $dependencies=
 2051:                 &Apache::lonnet::metadata($url,'dependencies');
 2052:              foreach (split(/\,/,$dependencies)) {
 2053: 		 if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {
 2054:                     &checkonthis($r,$_,$level+1);
 2055:                  }
 2056:              }
 2057:           } elsif ($result eq 'unavailable') {
 2058:              $r->print('<span class="LC_error">'.&mt('connection down').'</span>');
 2059:           } elsif ($result eq 'not_found') {
 2060: 	      unless ($url=~/\$/) {
 2061: 		  $r->print('<span class="LC_error">'.&mt('not found').'</b></span>');
 2062: 	      } else {
 2063: 		  $r->print('<span class="LC_unknown">'.&mt('unable to verify variable URL').'</span>');
 2064: 	      }
 2065:           } else {
 2066:              $r->print('<span class="LC_error">'.&mt('access denied').'</span>');
 2067:           }
 2068:        }
 2069:     }
 2070: }
 2071: 
 2072: 
 2073: 
 2074: =pod
 2075: 
 2076: =item list_symbs()
 2077: 
 2078: List Symbs
 2079: 
 2080: =cut
 2081: 
 2082: sub list_symbs {
 2083:     my ($r) = @_;
 2084: 
 2085:     $r->print(&Apache::loncommon::start_page('Symb List'));
 2086:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Symb List'));
 2087:     my $navmap = Apache::lonnavmaps::navmap->new();
 2088:     $r->print("<pre>\n");
 2089:     foreach my $res ($navmap->retrieveResources()) {
 2090: 	$r->print($res->compTitle()."\t".$res->symb()."\n");
 2091:     }
 2092:     $r->print("\n</pre>\n");
 2093:     $r->print('<a href="/adm/coursedocs">'.&mt('Return to DOCS').'</a>');
 2094: }
 2095: 
 2096: 
 2097: 
 2098: sub verifycontent {
 2099:     my ($r) = @_;
 2100:     my $type = &Apache::loncommon::course_type();
 2101:    my $loaderror=&Apache::lonnet::overloaderror($r);
 2102:    if ($loaderror) { return $loaderror; }
 2103:    $r->print(&Apache::loncommon::start_page('Verify '.$type.' Documents'));
 2104:    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$type.' Documents'));
 2105:    $hashtied=0;
 2106:    undef %alreadyseen;
 2107:    %alreadyseen=();
 2108:    &tiehash();
 2109:    foreach (keys %hash) {
 2110:        if ($hash{$_}=~/\.(page|sequence)$/) {
 2111: 	   if (($_=~/^src_/) && ($alreadyseen{&unescape($hash{$_})})) {
 2112: 	       $r->print('<hr /><span class="LC_error">'.
 2113: 			 &mt('The following sequence or page is included more than once in your '.$type.': ').
 2114: 			 &unescape($hash{$_}).'</span><br />'.
 2115: 			 &mt('Note that grading records for problems included in this sequence or folder will overlap.<hr />'));
 2116: 	   }
 2117:        }
 2118:        if (($_=~/^src\_(.+)$/) && (!$alreadyseen{&unescape($hash{$_})})) {
 2119:            &checkonthis($r,$hash{$_},0,$hash{'title_'.$1});
 2120:        }
 2121:    }
 2122:    &untiehash();
 2123:    $r->print('<h1>'.&mt('Done').'.</h1>'.'<a href="/adm/coursedocs">'.
 2124: 	     &mt('Return to DOCS').'</a>');
 2125: }
 2126: 
 2127: 
 2128: sub devalidateversioncache {
 2129:     my $src=shift;
 2130:     &Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
 2131: 					  &Apache::lonnet::clutter($src));
 2132: }
 2133: 
 2134: sub checkversions {
 2135:     my ($r) = @_;
 2136:     my $type = &Apache::loncommon::course_type();
 2137:     $r->print(&Apache::loncommon::start_page("Check $type Document Versions"));
 2138:     $r->print(&Apache::lonhtmlcommon::breadcrumbs("Check $type Document Versions"));
 2139:     my $header='';
 2140:     my $startsel='';
 2141:     my $monthsel='';
 2142:     my $weeksel='';
 2143:     my $daysel='';
 2144:     my $allsel='';
 2145:     my %changes=();
 2146:     my $starttime=0;
 2147:     my $haschanged=0;
 2148:     my %setversions=&Apache::lonnet::dump('resourceversions',
 2149: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2150: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2151: 
 2152:     $hashtied=0;
 2153:     &tiehash();
 2154:     my %newsetversions=();
 2155:     if ($env{'form.setmostrecent'}) {
 2156: 	$haschanged=1;
 2157: 	foreach (keys %hash) {
 2158: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 2159: 		$newsetversions{$1}='mostrecent';
 2160:                 &devalidateversioncache($1);
 2161: 	    }
 2162: 	}
 2163:     } elsif ($env{'form.setcurrent'}) {
 2164: 	$haschanged=1;
 2165: 	foreach (keys %hash) {
 2166: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 2167: 		my $getvers=&Apache::lonnet::getversion($1);
 2168: 		if ($getvers>0) {
 2169: 		    $newsetversions{$1}=$getvers;
 2170: 		    &devalidateversioncache($1);
 2171: 		}
 2172: 	    }
 2173: 	}
 2174:     } elsif ($env{'form.setversions'}) {
 2175: 	$haschanged=1;
 2176: 	foreach (keys %env) {
 2177: 	    if ($_=~/^form\.set_version_(.+)$/) {
 2178: 		my $src=$1;
 2179: 		if (($env{$_}) && ($env{$_} ne $setversions{$src})) {
 2180: 		    $newsetversions{$src}=$env{$_};
 2181: 		    &devalidateversioncache($src);
 2182: 		}
 2183: 	    }
 2184: 	}
 2185:     }
 2186:     if ($haschanged) {
 2187:         if (&Apache::lonnet::put('resourceversions',\%newsetversions,
 2188: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2189: 			  $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {		
 2190: 	    $r->print('<h1>'.&mt('Your Version Settings have been Saved').'</h1>');
 2191: 	} else {
 2192: 	    $r->print('<h1><span class="LC_error">'.&mt('An Error Occured while Attempting to Save your Version Settings').'</span></h1>');
 2193: 	}
 2194: 	&mark_hash_old();
 2195:     }
 2196:     &changewarning($r,'');
 2197:     if ($env{'form.timerange'} eq 'all') {
 2198: # show all documents
 2199: 	$header=&mt('All Documents in '.$type);
 2200: 	$allsel=1;
 2201: 	foreach (keys %hash) {
 2202: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 2203: 		my $src=$1;
 2204: 		$changes{$src}=1;
 2205: 	    }
 2206: 	}
 2207:     } else {
 2208: # show documents which changed
 2209: 	%changes=&Apache::lonnet::dump
 2210: 	 ('versionupdate',$env{'course.'.$env{'request.course.id'}.'.domain'},
 2211:                      $env{'course.'.$env{'request.course.id'}.'.num'});
 2212: 	my $firstkey=(keys %changes)[0];
 2213: 	unless ($firstkey=~/^error\:/) {
 2214: 	    unless ($env{'form.timerange'}) {
 2215: 		$env{'form.timerange'}=604800;
 2216: 	    }
 2217: 	    my $seltext=&mt('during the last').' '.$env{'form.timerange'}.' '
 2218: 		.&mt('seconds');
 2219: 	    if ($env{'form.timerange'}==-1) {
 2220: 		$seltext='since start of course';
 2221: 		$startsel='selected';
 2222: 		$env{'form.timerange'}=time;
 2223: 	    }
 2224: 	    $starttime=time-$env{'form.timerange'};
 2225: 	    if ($env{'form.timerange'}==2592000) {
 2226: 		$seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2227: 		$monthsel='selected';
 2228: 	    } elsif ($env{'form.timerange'}==604800) {
 2229: 		$seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2230: 		$weeksel='selected';
 2231: 	    } elsif ($env{'form.timerange'}==86400) {
 2232: 		$seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2233: 		$daysel='selected';
 2234: 	    }
 2235: 	    $header=&mt('Content changed').' '.$seltext;
 2236: 	} else {
 2237: 	    $header=&mt('No content modifications yet.');
 2238: 	}
 2239:     }
 2240:     %setversions=&Apache::lonnet::dump('resourceversions',
 2241: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2242: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2243:     my %lt=&Apache::lonlocal::texthash
 2244: 	      ('st' => 'Version changes since start of '.$type,
 2245: 	       'lm' => 'Version changes since last Month',
 2246: 	       'lw' => 'Version changes since last Week',
 2247: 	       'sy' => 'Version changes since Yesterday',
 2248:                'al' => 'All Resources (possibly large output)',
 2249: 	       'sd' => 'Display',
 2250: 	       'fi' => 'File',
 2251: 	       'md' => 'Modification Date',
 2252:                'mr' => 'Most recently published Version',
 2253: 	       've' => 'Version used in '.$type,
 2254:                'vu' => 'Set Version to be used in '.$type,
 2255: 'sv' => 'Set Versions to be used in '.$type.' according to Selections below',
 2256: 'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',
 2257: 'sc' => 'Set all Resource Versions to current Version (Fix Versions)',
 2258: 	       'di' => 'Differences');
 2259:     $r->print(<<ENDHEADERS);
 2260: <form action="/adm/coursedocs" method="post">
 2261: <input type="hidden" name="versions" value="1" />
 2262: <input type="submit" name="setmostrecent" value="$lt{'sm'}" />
 2263: <input type="submit" name="setcurrent" value="$lt{'sc'}" /><hr />
 2264: <select name="timerange">
 2265: <option value='all' $allsel>$lt{'al'}</option>
 2266: <option value="-1" $startsel>$lt{'st'}</option>
 2267: <option value="2592000" $monthsel>$lt{'lm'}</option>
 2268: <option value="604800" $weeksel>$lt{'lw'}</option>
 2269: <option value="86400" $daysel>$lt{'sy'}</option>
 2270: </select>
 2271: <input type="submit" name="display" value="$lt{'sd'}" />
 2272: <h3>$header</h3>
 2273: <input type="submit" name="setversions" value="$lt{'sv'}" />
 2274: <table border="0">
 2275: ENDHEADERS
 2276:     foreach (sort keys %changes) {
 2277: 	if ($changes{$_}>$starttime) {
 2278: 	    my ($root,$extension)=($_=~/^(.*)\.(\w+)$/);
 2279: 	    my $currentversion=&Apache::lonnet::getversion($_);
 2280: 	    if ($currentversion<0) {
 2281: 		$currentversion=&mt('Could not be determined.');
 2282: 	    }
 2283: 	    my $linkurl=&Apache::lonnet::clutter($_);
 2284: 	    $r->print(
 2285: 		      '<tr><td colspan="5"><br /><br /><font size="+1"><b>'.
 2286: 		      &Apache::lonnet::gettitle($linkurl).
 2287:                       '</b></font></td></tr>'.
 2288:                       '<tr><td>&nbsp;&nbsp;&nbsp;</td>'.
 2289:                       '<td colspan="4">'.
 2290:                       '<a href="'.$linkurl.'" target="cat">'.$linkurl.
 2291: 		      '</a></td></tr>'.
 2292:                       '<tr><td></td>'.
 2293:                       '<td title="'.$lt{'md'}.'">'.
 2294: 		      &Apache::lonlocal::locallocaltime(
 2295:                            &Apache::lonnet::metadata($root.'.'.$extension,
 2296:                                                      'lastrevisiondate')
 2297:                                                         ).
 2298:                       '</td>'.
 2299:                       '<td title="'.$lt{'mr'}.'"><span class="LC_nobreak">Most Recent: '.
 2300:                       '<font size="+1">'.$currentversion.'</font>'.
 2301:                       '</span></td>'.
 2302:                       '<td title="'.$lt{'ve'}.'"><span class="LC_nobreak">In '.$type.': '.
 2303:                       '<font size="+1">');
 2304: # Used in course
 2305: 	    my $usedversion=$hash{'version_'.$linkurl};
 2306: 	    if (($usedversion) && ($usedversion ne 'mostrecent')) {
 2307: 		$r->print($usedversion);
 2308: 	    } else {
 2309: 		$r->print($currentversion);
 2310: 	    }
 2311: 	    $r->print('</font></span></td><td title="'.$lt{'vu'}.'">'.
 2312:                       '<span class="LC_nobreak">Use: ');
 2313: # Set version
 2314: 	    $r->print(&Apache::loncommon::select_form($setversions{$linkurl},
 2315: 						      'set_version_'.$linkurl,
 2316: 						      ('select_form_order' =>
 2317: 						       ['',1..$currentversion,'mostrecent'],
 2318: 						       '' => '',
 2319: 						       'mostrecent' => 'most recent',
 2320: 						       map {$_,$_} (1..$currentversion))));
 2321: 	    $r->print('</span></td></tr><tr><td></td>');
 2322: 	    my $lastold=1;
 2323: 	    for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
 2324: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2325: 		if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
 2326: 		    $starttime) {
 2327: 		    $lastold=$prevvers;
 2328: 		}
 2329: 	    }
 2330:             # 
 2331:             # Code to figure out how many version entries should go in
 2332:             # each of the four columns
 2333:             my $entries_per_col = 0;
 2334:             my $num_entries = ($currentversion-$lastold);
 2335:             if ($num_entries % 4 == 0) {
 2336:                 $entries_per_col = $num_entries/4;
 2337:             } else {
 2338:                 $entries_per_col = $num_entries/4 + 1;
 2339:             }
 2340:             my $entries_count = 0;
 2341:             $r->print('<td valign="top"><font size="-2">'); 
 2342:             my $cols_output = 1;
 2343:             for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
 2344: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2345: 		$r->print('<span class="LC_nobreak"><a href="'.&Apache::lonnet::clutter($url).
 2346: 			  '">'.&mt('Version').' '.$prevvers.'</a> ('.
 2347: 			  &Apache::lonlocal::locallocaltime(
 2348:                                 &Apache::lonnet::metadata($url,
 2349:                                                           'lastrevisiondate')
 2350:                                                             ).
 2351: 			  ')');
 2352: 		if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
 2353:                     $r->print(' <a href="/adm/diff?filename='.
 2354: 			      &Apache::lonnet::clutter($root.'.'.$extension).
 2355: 			      '&versionone='.$prevvers.
 2356: 			      '">'.&mt('Diffs').'</a>');
 2357: 		}
 2358: 		$r->print('</span><br />');
 2359:                 if (++$entries_count % $entries_per_col == 0) {
 2360:                     $r->print('</font></td>');
 2361:                     if ($cols_output != 4) {
 2362:                         $r->print('<td valign="top"><font size="-2">');
 2363:                         $cols_output++;
 2364:                     }
 2365:                 }
 2366: 	    }
 2367:             while($cols_output++ < 4) {
 2368:                 $r->print('</font></td><td><font>')
 2369:             }
 2370: 	    $r->print('</font></td></tr>'."\n");
 2371: 	}
 2372:     }
 2373:     $r->print('</table></form>');
 2374:     $r->print('<h1>'.&mt('Done').'.</h1>');
 2375: 
 2376:     &untiehash();
 2377: }
 2378: 
 2379: sub mark_hash_old {
 2380:     my $retie_hash=0;
 2381:     if ($hashtied) {
 2382: 	$retie_hash=1;
 2383: 	&untiehash();
 2384:     }
 2385:     &tiehash('write');
 2386:     $hash{'old'}=1;
 2387:     &untiehash();
 2388:     if ($retie_hash) { &tiehash(); }
 2389: }
 2390: 
 2391: sub is_hash_old {
 2392:     my $untie_hash=0;
 2393:     if (!$hashtied) {
 2394: 	$untie_hash=1;
 2395: 	&tiehash();
 2396:     }
 2397:     my $return=$hash{'old'};
 2398:     if ($untie_hash) { &untiehash(); }
 2399:     return $return;
 2400: }
 2401: 
 2402: sub changewarning {
 2403:     my ($r,$postexec,$message,$url)=@_;
 2404:     if (!&is_hash_old()) { return; }
 2405:     my $pathvar='folderpath';
 2406:     my $path=&escape($env{'form.folderpath'});
 2407:     if (!defined($url)) {
 2408: 	if (defined($env{'form.pagepath'})) {
 2409: 	    $pathvar='pagepath';
 2410: 	    $path=&escape($env{'form.pagepath'});
 2411: 	    $path.='&amp;pagesymb='.&escape($env{'form.pagesymb'});
 2412: 	}
 2413: 	$url='/adm/coursedocs?'.$pathvar.'='.$path;
 2414:     }
 2415:     my $course_type = &Apache::loncommon::course_type();
 2416:     if (!defined($message)) {
 2417: 	$message='Changes will become active for your current session after [_1], or the next time you log in.';
 2418:     }
 2419:     $r->print("\n\n".
 2420: '<script type="text/javascript">function reinit(tf) { tf.submit();'.$postexec.' }</script>'."\n". 
 2421: '<form name="reinitform" method="post" action="/adm/roles" target="loncapaclient">'.
 2422: '<input type="hidden" name="orgurl" value="'.$url.
 2423: '" /><input type="hidden" name="selectrole" value="1" /><h3><span class="LC_warning">'.
 2424: &mt($message,' <input type="hidden" name="'.
 2425:     $env{'request.role'}.'" value="1" /><input type="button" value="'.
 2426:     &mt('re-initializing '.$course_type).'" onClick="reinit(this.form)" />').
 2427: $help{'Caching'}.'</span></h3></form>'."\n\n");
 2428: }
 2429: 
 2430: 
 2431: sub init_breadcrumbs {
 2432:     my ($form,$text)=@_;
 2433:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 2434:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs",
 2435: 					    text=>"Edit ".&Apache::loncommon::course_type(),
 2436: 					    faq=>273,
 2437: 					    bug=>'Instructor Interface',
 2438:                                             help => 'Docs_Adding_Course_Doc'});
 2439:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs?".$form.'=1',
 2440: 					    text=>$text,
 2441: 					    faq=>273,
 2442: 					    bug=>'Instructor Interface'});
 2443: }
 2444: 
 2445: 
 2446: 
 2447: 
 2448: sub handler {
 2449:     my $r = shift;
 2450:     &Apache::loncommon::content_type($r,'text/html');
 2451:     $r->send_http_header;
 2452:     return OK if $r->header_only;
 2453:     my $type = &Apache::loncommon::course_type();
 2454: 
 2455: # --------------------------------------------- Initialize help topics for this
 2456:     foreach ('Adding_Course_Doc','Main_Course_Documents',
 2457: 	     'Adding_External_Resource','Navigate_Content',
 2458: 	     'Adding_Folders','Docs_Overview', 'Load_Map',
 2459: 	     'Supplemental','Score_Upload_Form','Adding_Pages',
 2460: 	     'Importing_LON-CAPA_Resource','Uploading_From_Harddrive',
 2461: 	     'Check_Resource_Versions','Verify_Content') {
 2462: 	$help{$_}=&Apache::loncommon::help_open_topic('Docs_'.$_);
 2463:     }
 2464:     # Composite help files
 2465:     $help{'Syllabus'} = &Apache::loncommon::help_open_topic(
 2466: 		    'Docs_About_Syllabus,Docs_Editing_Templated_Pages');
 2467:     $help{'Simple Page'} = &Apache::loncommon::help_open_topic(
 2468: 		    'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');
 2469:     $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(
 2470: 		    'Option_Response_Simple');
 2471:     $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(
 2472: 		    'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');
 2473:     $help{'My Personal Info'} = &Apache::loncommon::help_open_topic(
 2474: 		  'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
 2475:     $help{'Group Files'} = &Apache::loncommon::help_open_topic('Docs_About_Group_Files');
 2476:     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
 2477: 
 2478: # does this user have privileges to modify docs
 2479:     my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
 2480:   if ($allowed && $env{'form.verify'}) {
 2481:       &init_breadcrumbs('verify','Verify Content');
 2482:       &verifycontent($r);
 2483:   } elsif ($allowed && $env{'form.listsymbs'}) {
 2484:       &init_breadcrumbs('listsymbs','List Symbs');
 2485:       &list_symbs($r);
 2486:   } elsif ($allowed && $env{'form.docslog'}) {
 2487:       &init_breadcrumbs('docslog','Show Log');
 2488:       &docs_change_log($r);
 2489:   } elsif ($allowed && $env{'form.versions'}) {
 2490:       &init_breadcrumbs('versions','Check/Set Resource Versions');
 2491:       &checkversions($r);
 2492:   } elsif ($allowed && $env{'form.dumpcourse'}) {
 2493:       &init_breadcrumbs('dumpcourse','Dump '.&Apache::loncommon::course_type().' DOCS to Construction Space');
 2494:       &dumpcourse($r);
 2495:   } elsif ($allowed && $env{'form.exportcourse'}) {
 2496:       &init_breadcrumbs('exportcourse','Export '.&Apache::loncommon::course_type().' to IMS');
 2497:       &exportcourse($r);
 2498:   } else {
 2499: # is this a standard course?
 2500: 
 2501:     my $standard=($env{'request.course.uri'}=~/^\/uploaded\//);
 2502:     my $forcestandard = 0;
 2503:     my $forcesupplement;
 2504:     my $script='';
 2505:     my $showdoc=0;
 2506:     my $containertag;
 2507:     my $uploadtag;
 2508:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 2509: 					    ['folderpath','pagepath',
 2510: 					     'pagesymb']);
 2511: # No folderpath, no pagepath, see if we have something stored
 2512:     if ((!$env{'form.folderpath'}) && (!$env{'form.pagepath'})) {
 2513:         &Apache::loncommon::restore_course_settings('docs_folderpath',
 2514:                                               {'folderpath' => 'scalar'});
 2515:     }
 2516:     if (!$env{'form.folderpath'}) {
 2517:         &Apache::loncommon::restore_course_settings('docs_folderpath',
 2518:                                               {'pagepath' => 'scalar'});
 2519:     }
 2520:     if ($env{'form.pagepath'}) {
 2521:        $env{'form.folderpath'}='';
 2522:     }
 2523:     if ($env{'form.folderpath'} =~ /^supplemental_\d+/) {
 2524:         $env{'form.folderpath'} = 'supplemental&'.
 2525:                                   &escape(&mt('Supplemental '.$type.' Documents')).'&'.
 2526:                                   $env{'form.folderpath'};
 2527:     }
 2528:     &Apache::loncommon::store_course_settings('docs_folderpath',
 2529:                                                 {'pagepath' => 'scalar',
 2530:                                                  'folderpath' => 'scalar'});
 2531:     if ($env{'form.folderpath'}) {
 2532: 	my (@folderpath)=split('&',$env{'form.folderpath'});
 2533: 	$env{'form.foldername'}=&unescape(pop(@folderpath));
 2534: 	$env{'form.folder'}=pop(@folderpath);
 2535:     }
 2536:     if ($env{'form.pagepath'}) {
 2537:         my (@pagepath)=split('&',$env{'form.pagepath'});
 2538:         $env{'form.pagename'}=&unescape(pop(@pagepath));
 2539:         $env{'form.folder'}=pop(@pagepath);
 2540:         $containertag = '<input type="hidden" name="pagepath" value="" />'.
 2541: 	    '<input type="hidden" name="pagesymb" value="" />';
 2542:         $uploadtag = '<input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />'.
 2543: 	    '<input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />';
 2544:     }
 2545:     if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
 2546:        $showdoc='/'.$1;
 2547:     }
 2548:     unless ($showdoc) { # got called from remote
 2549:        if (($env{'form.folder'}=~/^(?:group|default)_/) || 
 2550:           ($env{'form.folder'} =~ m:^\d+/(pages|sequences)/:)) {
 2551:            $forcestandard = 1;
 2552:        } 
 2553:        $forcesupplement=($env{'form.folder'}=~/^supplemental_/);
 2554: 
 2555:        if ($allowed) { 
 2556:          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
 2557:          $script=&Apache::lonratedt::editscript('simple'); 
 2558:        }
 2559:     } else { # got called in sequence from course
 2560:        $allowed=0;
 2561:     }
 2562: 
 2563: # get course data
 2564:     my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
 2565:     my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2566: 
 2567: # get personal data 
 2568:     my $uname=$env{'user.name'};
 2569:     my $udom=$env{'user.domain'};
 2570:     my $plainname=&escape(&Apache::loncommon::plainname($uname,$udom));
 2571: 
 2572: # graphics settings
 2573: 
 2574:     $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
 2575: 
 2576:     if ($allowed) {
 2577: 	$script .= &editing_js($udom,$uname);
 2578:     }
 2579: # -------------------------------------------------------------------- Body tag
 2580:     $script = '<script type="text/javascript">'."\n".$script."\n".'</script>';
 2581:     $r->print(&Apache::loncommon::start_page("$type Documents", $script,
 2582: 					     {'force_register' => $showdoc,}).
 2583: 	      &Apache::loncommon::help_open_menu('','',273,'RAT'));
 2584:   
 2585:   my %allfiles = ();
 2586:   my %codebase = ();
 2587:   my ($upload_result,$upload_output);
 2588:   if ($allowed) {
 2589:       if (($env{'form.uploaddoc.filename'}) &&
 2590: 	  ($env{'form.cmd'}=~/^upload_(\w+)/)) {
 2591: # Process file upload - phase one - upload and parse primary file.  
 2592: 	  undef($hadchanges);
 2593:           $upload_result = &process_file_upload(\$upload_output,$coursenum,
 2594: 						$coursedom,\%allfiles,
 2595: 						\%codebase,$1);
 2596: 	  if ($hadchanges) {
 2597: 	      &mark_hash_old();
 2598: 	  }
 2599:           if ($upload_result eq 'phasetwo') {
 2600:               $r->print($upload_output);
 2601:           }
 2602:       } elsif ($env{'form.phasetwo'}) {
 2603:           my %newname = ();
 2604:           my %origname = ();
 2605:           my %attribs = ();
 2606:           my $updateflag = 0;
 2607:           my $residx = $env{'form.newidx'};
 2608:           my $primary_url = &unescape($env{'form.primaryurl'});
 2609: # Process file upload - phase two - gather secondary files.
 2610:           for (my $i=0; $i<$env{'form.phasetwo'}; $i++) {
 2611:               if ($env{'form.embedded_item_'.$i.'.filename'}) {
 2612:                   my $javacodebase;
 2613:                   $newname{$i} = &process_secondary_uploads(\$upload_output,$coursedom,$coursenum,'embedded_item_',$i,$residx);
 2614:                   $origname{$i} = &unescape($env{'form.embedded_orig_'.$i});
 2615:                   if (exists($env{'form.embedded_codebase_'.$i})) {
 2616:                       $javacodebase =  &unescape($env{'form.embedded_codebase_'.$i});  
 2617:                       $origname{$i} =~ s#^\Q$javacodebase\E/##; 
 2618:                   }
 2619:                   my @attributes = ();
 2620:                   if ($env{'form.embedded_attrib_'.$i} =~ /:/) {
 2621:                       @attributes = split/:/,$env{'form.embedded_attrib_'.$i};
 2622:                   } else {
 2623:                       @attributes = ($env{'form.embedded_attrib_'.$i});
 2624:                   }
 2625:                   foreach (@attributes) {
 2626:                       push(@{$attribs{$i}},&unescape($_));
 2627:                   }
 2628:                   if ($javacodebase) {
 2629:                       $codebase{$i} = $javacodebase;
 2630:                       $codebase{$i} =~ s#/$##;
 2631:                       $updateflag = 1;
 2632:                   }
 2633:               }
 2634:               unless ($newname{$i} eq $origname{$i}) {
 2635:                   $updateflag = 1;
 2636:               }
 2637:           }
 2638: # Process file upload - phase three - modify primary file
 2639:           if ($updateflag) {
 2640:               my ($content,$rtncode);
 2641:               my $updateflag = 0;
 2642:               my $getstatus = &Apache::lonnet::getuploaded('GET',$primary_url,$coursedom,$coursenum,\$content,\$rtncode);
 2643:               if ($getstatus eq 'ok') {
 2644:                   foreach my $item (keys %newname) {
 2645:                       if ($newname{$item} ne $origname{$item}) {
 2646:                           my $attrib_regexp = '';
 2647:                           if (@{$attribs{$item}} > 1) {
 2648:                               $attrib_regexp = join('|',@{$attribs{$item}});
 2649:                           } else {
 2650:                               $attrib_regexp = $attribs{$item}[0];
 2651:                           }
 2652:                           if ($content =~ m#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#) {
 2653:                           } 
 2654:                           $content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#$1$newname{$item}$2#gi; 
 2655:                       }
 2656:                       if (exists($codebase{$item})) {
 2657:                           $content =~ s/(codebase\s*=\s*["']?)\Q$codebase{$item}\E(["']?)/$1.$2/i; #' stupid emacs
 2658:                       }
 2659:                   }
 2660: # Save edited file.
 2661:                   my $saveresult;
 2662:                   my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
 2663:                   my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2664:                   my $url = &Apache::lonnet::store_edited_file($primary_url,$content,$docudom,$docuname,\$saveresult);
 2665:               } else {
 2666:                   &Apache::lonnet::logthis('retrieval of uploaded file - '.$primary_url.' - for editing, failed: '.$getstatus); 
 2667:               }
 2668:           }
 2669:       }
 2670:   }
 2671: 
 2672:   unless ($showdoc ||  $upload_result eq 'phasetwo') {
 2673: # -----------------------------------------------------------------------------
 2674:        my %lt=&Apache::lonlocal::texthash(
 2675:                 'uplm' => 'Upload a new main '.lc($type).' document',
 2676:                 'upls' => 'Upload a new supplemental '.lc($type).' document',
 2677:                 'impp' => 'Import a document',
 2678:                 'pubd' => 'Published documents',
 2679: 		'copm' => 'All documents out of a published map into this folder',
 2680:                 'spec' => 'Special documents',
 2681:                 'upld' => 'Upload Document',
 2682:                 'srch' => 'Search',
 2683:                 'impo' => 'Import',
 2684: 		'book' => 'Import Bookmarks',
 2685:                 'selm' => 'Select Map',
 2686:                 'load' => 'Load Map',
 2687:                 'reco' => 'Recover Deleted Resources',
 2688:                 'newf' => 'New Folder',
 2689:                 'newp' => 'New Composite Page',
 2690:                 'extr' => 'External Resource',
 2691:                 'syll' => 'Syllabus',
 2692:                 'navc' => 'Navigate Contents',
 2693:                 'sipa' => 'Simple Page',
 2694:                 'sipr' => 'Simple Problem',
 2695:                 'drbx' => 'Drop Box',
 2696:                 'scuf' => 'Score Upload Form',
 2697:                 'bull' => 'Bulletin Board',
 2698:                 'mypi' => 'My Personal Info',
 2699:                 'grpo' => 'Group Files',
 2700:                 'rost' => 'Course Roster',
 2701: 		'abou' => 'About User',
 2702:                 'imsf' => 'Import IMS package',
 2703:                 'file' =>  'File',
 2704:                 'title' => 'Title',
 2705:                 'comment' => 'Comment',
 2706:                 'parse' => 'If HTML file, upload embedded images/multimedia files'
 2707: 					  );
 2708: # -----------------------------------------------------------------------------
 2709:     if ($allowed) {
 2710: 	&update_paste_buffer($coursenum,$coursedom);
 2711:        my $dumpbut=&dumpbutton();
 2712:        my $exportbut=&exportbutton();
 2713:        my %lt=&Apache::lonlocal::texthash(
 2714: 					 'vc' => 'Verify Content',
 2715: 					 'cv' => 'Check/Set Resource Versions',
 2716: 					 'ls' => 'List Symbs',
 2717:                                          'sl' => 'Show Log'
 2718: 					  );
 2719: 
 2720:        my $folderpath=$env{'form.folderpath'};
 2721:        if (!$folderpath) {
 2722: 	   if ($env{'form.folder'} eq '' ||
 2723: 	       $env{'form.folder'} eq 'supplemental') {
 2724: 	       $folderpath='default&'.
 2725: 		   &escape(&mt('Main '.$type.' Documents'));
 2726: 	   }
 2727:        }
 2728:        unless ($env{'form.pagepath'}) {
 2729:            $containertag = '<input type="hidden" name="folderpath" value="" />';
 2730:            $uploadtag = '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($folderpath,'<>&"').'" />';
 2731:        }
 2732: 
 2733:        $r->print(<<ENDCOURSEVERIFY);
 2734: <form name="renameform" method="post" action="/adm/coursedocs">
 2735:   <input type="hidden" name="title" />
 2736:   <input type="hidden" name="cmd" />
 2737:   <input type="hidden" name="markcopy" />
 2738:   <input type="hidden" name="copyfolder" />
 2739:   $containertag
 2740: </form>
 2741: <form name="simpleedit" method="post" action="/adm/coursedocs">
 2742:   <input type="hidden" name="importdetail" value="" />
 2743:   $uploadtag
 2744: </form>
 2745: <form action="/adm/coursedocs" method="post" name="courseverify">
 2746:   <div class="LC_docs_course_commands">
 2747: 
 2748:       <div>
 2749:         <input type="submit" name="verify" value="$lt{'vc'}" />$help{'Verify_Content'}
 2750:       </div>
 2751:       <div>
 2752:         <input type="submit" name="versions" value="$lt{'cv'}" />$help{'Check_Resource_Versions'}
 2753:       </div>
 2754:         $dumpbut
 2755:         $exportbut
 2756:       <div>
 2757:         <input type="submit" name="listsymbs" value="$lt{'ls'}" />
 2758:       </div>
 2759:       <div>
 2760:         <input type="hidden" name="folder" value="$env{'form.folder'}" />
 2761:         <input type="submit" name="docslog" value="$lt{'sl'}" />
 2762:       </div>
 2763:   </div>
 2764: </form>
 2765: <div style="clear: both; height: 0px;">&nbsp;</div>
 2766: ENDCOURSEVERIFY
 2767:        $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
 2768: 		     &mt('Editing the Table of Contents for your '.$type)));
 2769:     }
 2770: # --------------------------------------------------------- Standard documents
 2771:     $r->print('<table class="LC_docs_documents">');
 2772: 
 2773:     if (($standard) && ($allowed) && (!$forcesupplement)) {
 2774: 	$r->print('<tr><td class="LC_docs_document">');
 2775: #  '<h2>'.&mt('Main Course Documents').
 2776: #  ($allowed?' '.$help{'Main_Course_Documents'}:'').'</h2>');
 2777:        my $folder=$env{'form.folder'};
 2778:        if ($folder eq '' || $folder eq 'supplemental') {
 2779:            $folder='default';
 2780: 	   $env{'form.folderpath'}='default&'.&escape(&mt('Main '.$type.' Documents'));
 2781:            $uploadtag = '<input type="hidden" name="folderpath" value="'.
 2782: 	       &HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />';
 2783:        }
 2784:        my $postexec='';
 2785:        if ($folder eq 'default') {
 2786: 	   $r->print('<script type="text/javascript">this.window.name="loncapaclient";</script>');
 2787:        } else {
 2788:            #$postexec='self.close();';
 2789:        }
 2790:        $hadchanges=0;
 2791:        my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,
 2792: 			   $upload_output,$type);
 2793:        if ($error) {
 2794: 	   $r->print('<p><span class="LC_error">'.$error.'</span></p>');
 2795:        }
 2796:        if ($hadchanges) {
 2797: 	   &mark_hash_old()
 2798:        }
 2799:        &changewarning($r,$postexec);
 2800:        my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2801:                      '.sequence';
 2802:        my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2803:                      '.page';
 2804: 	my $container='sequence';
 2805: 	if ($env{'form.pagepath'}) {
 2806: 	    $container='page';
 2807: 	}
 2808: 	my $readfile='/uploaded/'.$coursedom.'/'.$coursenum.'/'.$folder.'.'.$container;
 2809:        $r->print(<<ENDFORM);
 2810: <table class="LC_docs_adddocs">
 2811: <tr>
 2812: <th>$lt{'uplm'}</th>
 2813: <th>$lt{'impp'}</th>
 2814: <th>$lt{'spec'}</th>
 2815: </tr>
 2816: <tr>
 2817: <td>
 2818: $lt{'file'}:<br />
 2819: <form name="uploaddocument" action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 2820: <input type="file" name="uploaddoc" size="40" />
 2821: <br />
 2822: $lt{'title'}:<br />
 2823: <input type="text" size="50" name="comment" />
 2824: $uploadtag
 2825: <input type="hidden" name="cmd" value="upload_default" />
 2826: <br />
 2827: <span class="LC_nobreak">
 2828: <label>$lt{'parse'}?
 2829: <input type="checkbox" name="parserflag" checked="checked" />
 2830: </label>
 2831: </span>
 2832: <br />
 2833: <br />
 2834: <span class="LC_nobreak">
 2835: <input type="submit" value="$lt{'upld'}" />
 2836:  $help{'Uploading_From_Harddrive'}
 2837: </span>
 2838: </form>
 2839: </td>
 2840: <td>
 2841: <form action="/adm/coursedocs" method="post" name="simpleeditdefault">
 2842: $lt{'pubd'}<br />
 2843: $uploadtag
 2844: <input type="button" onClick="javascript:groupsearch()" value="$lt{'srch'}" />
 2845: <br />
 2846: <span class="LC_nobreak">
 2847: <input type="button" onClick="javascript:groupimport();" value="$lt{'impo'}" />
 2848: $help{'Importing_LON-CAPA_Resource'}
 2849: </span>
 2850: <br />
 2851: <input type="button" onClick="javascript:groupopen(0,1,1);" value="$lt{'book'}" />
 2852: <hr />
 2853: <p>
 2854: $lt{'copm'}<br />
 2855: <input type="text" size="40" name="importmap" /><br />
 2856: <span class="LC_nobreak"><input type="button" 
 2857: onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"
 2858: value="$lt{'selm'}" /> <input type="submit" name="loadmap" value="$lt{'load'}" />
 2859: $help{'Load_Map'}</span>
 2860: </p>
 2861: </form>
 2862: <hr />
 2863: <form action="/adm/groupsort" method="post" name="recover">
 2864: <input type="button" name="recovermap" onClick="javascript:groupopen('$readfile',1,0)" value="$lt{'reco'}" />
 2865: </form>
 2866: ENDFORM
 2867:        unless ($env{'form.pagepath'}) {
 2868: 	   $r->print(<<ENDFORM);
 2869: <hr />
 2870: <form action="/adm/coursedocs" method="post" name="newext">
 2871: $uploadtag
 2872: <input type="hidden" name="importdetail" value="" />
 2873: <span class="LC_nobreak">
 2874: <input name="newext" type="button" onClick="javascript:makenewext('newext');"
 2875: value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 2876: </span>
 2877: </form>
 2878: <br /><form action="/adm/imsimportdocs" method="post" name="ims">
 2879: <input type="hidden" name="folder" value="$folder" />
 2880: <input name="imsimport" type="button" value="$lt{'imsf'}" onClick="javascript:makeims();" />
 2881: </form>
 2882: ENDFORM
 2883:        }
 2884:        $r->print('</td><td>');
 2885:        unless ($env{'form.pagepath'}) {
 2886: 	   my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 2887:            $r->print(<<ENDFORM);
 2888: <br /><form action="/adm/coursedocs" method="post" name="newfolder">
 2889: <input type="hidden" name="folderpath" value="$path" />
 2890: <input type="hidden" name="importdetail" value="" />
 2891: <span class="LC_nobreak">
 2892: <input name="newfolder" type="button"
 2893: onClick="javascript:makenewfolder(this.form,'$folderseq');"
 2894: value="$lt{'newf'}" />$help{'Adding_Folders'}
 2895: </span>
 2896: </form>
 2897: <br /><form action="/adm/coursedocs" method="post" name="newpage">
 2898: <input type="hidden" name="folderpath" value="$path" />
 2899: <input type="hidden" name="importdetail" value="" />
 2900: <span class="LC_nobreak">
 2901: <input name="newpage" type="button"
 2902: onClick="javascript:makenewpage(this.form,'$pageseq');"
 2903: value="$lt{'newp'}" />$help{'Adding_Pages'}
 2904: </span>
 2905: </form>
 2906: <br /><form action="/adm/coursedocs" method="post" name="newsyl">
 2907: $uploadtag
 2908: <input type="hidden" name="importdetail" 
 2909: value="$lt{'syll'}=/public/$coursedom/$coursenum/syllabus" />
 2910: <span class="LC_nobreak">
 2911: <input name="newsyl" type="submit" value="$lt{'syll'}" /> 
 2912:  $help{'Syllabus'}
 2913: </span>
 2914: </form>
 2915: <br /><form action="/adm/coursedocs" method="post" name="newnav">
 2916: $uploadtag
 2917: <input type="hidden" name="importdetail" 
 2918: value="$lt{'navc'}=/adm/navmaps" />
 2919: <span class="LC_nobreak">
 2920: <input name="newnav" type="submit" value="$lt{'navc'}" />
 2921: $help{'Navigate_Content'}
 2922: </span>
 2923: </form>
 2924: <br /><form action="/adm/coursedocs" method="post" name="newsmppg">
 2925: $uploadtag
 2926: <input type="hidden" name="importdetail" value="" />
 2927: <span class="LC_nobreak">
 2928: <input name="newsmppg" type="button" value="$lt{'sipa'}"
 2929: onClick="javascript:makesmppage();" /> $help{'Simple Page'}
 2930: </span>
 2931: </form>
 2932: <br /><form action="/adm/coursedocs" method="post" name="newsmpproblem">
 2933: $uploadtag
 2934: <input type="hidden" name="importdetail" value="" />
 2935: <span class="LC_nobreak">
 2936: <input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 2937: onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 2938: </span>
 2939: </form>
 2940: <br /><form action="/adm/coursedocs" method="post" name="newdropbox">
 2941: $uploadtag      
 2942: <input type="hidden" name="importdetail" value="" />
 2943: <span class="LC_nobreak">          
 2944: <input name="newdropbox" type="button" value="$lt{'drbx'}"
 2945: onClick="javascript:makedropbox();" />
 2946: </span>         
 2947: </form> 
 2948: <br /><form action="/adm/coursedocs" method="post" name="newexamupload">
 2949: $uploadtag
 2950: <input type="hidden" name="importdetail" value="" />
 2951: <span class="LC_nobreak">
 2952: <input name="newexamupload" type="button" value="$lt{'scuf'}"
 2953: onClick="javascript:makeexamupload();" />
 2954: $help{'Score_Upload_Form'}
 2955: </span>
 2956: </form>
 2957: <br /><form action="/adm/coursedocs" method="post" name="newbul">
 2958: $uploadtag
 2959: <input type="hidden" name="importdetail" value="" />
 2960: <span class="LC_nobreak">
 2961: <input name="newbulletin" type="button" value="$lt{'bull'}"
 2962: onClick="javascript:makebulboard();" />
 2963: $help{'Bulletin Board'}
 2964: </span>
 2965: </form>
 2966: <br /><form action="/adm/coursedocs" method="post" name="newaboutme">
 2967: $uploadtag
 2968: <input type="hidden" name="importdetail" 
 2969: value="$plainname=/adm/$udom/$uname/aboutme" />
 2970: <span class="LC_nobreak">
 2971: <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 2972: $help{'My Personal Info'}
 2973: </span>
 2974: </form>
 2975: <br /><form action="/adm/coursedocs" method="post" name="newaboutsomeone">
 2976: $uploadtag
 2977: <input type="hidden" name="importdetail" value="" />
 2978: <span class="LC_nobreak">
 2979: <input name="newaboutsomeone" type="button" value="$lt{'abou'}" 
 2980: onClick="javascript:makeabout();" />
 2981: </span>
 2982: </form>
 2983: <br /><form action="/adm/coursedocs" method="post" name="newgroupfiles">
 2984: $uploadtag
 2985: <input type="hidden" name="importdetail"
 2986: value="$lt{'grpo'}=/adm/$coursedom/$coursenum/aboutme" />
 2987: <span class="LC_nobreak">
 2988: <input name="newgroupfiles" type="submit" value="$lt{'grpo'}" />
 2989: $help{'Group Files'}
 2990: </span>
 2991: </form>
 2992: <br /><form action="/adm/coursedocs" method="post" name="newroster">
 2993: $uploadtag
 2994: <input type="hidden" name="importdetail" 
 2995: value="$lt{'rost'}=/adm/viewclasslist" />
 2996: <span class="LC_nobreak">
 2997: <input name="newroster" type="submit" value="$lt{'rost'}" />
 2998: $help{'Course Roster'}
 2999: </span>
 3000: </form>
 3001: ENDFORM
 3002:        }
 3003:        if ($env{'form.pagepath'}) {
 3004:            $r->print(<<ENDBLOCK);
 3005: <form action="/adm/coursedocs" method="post" name="newsmpproblem">
 3006: $uploadtag
 3007: <input type="hidden" name="importdetail" value="" />
 3008: <span class="LC_nobreak">
 3009: <input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 3010: onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 3011: </span>
 3012: </form>
 3013: <br /><form action="/adm/coursedocs" method="post" name="newexamupload">
 3014: $uploadtag
 3015: <input type="hidden" name="importdetail" value="" />
 3016: <span class="LC_nobreak">
 3017: <input name="newexamupload" type="button" value="$lt{'scuf'}"
 3018: onClick="javascript:makeexamupload();" />
 3019: $help{'Score_Upload_Form'}
 3020: </span>
 3021: </form>
 3022: ENDBLOCK
 3023:        }
 3024:        $r->print('</td></tr>'."\n".
 3025: '</table>');
 3026:        $r->print('</td></tr>');
 3027:     }
 3028: # ----------------------------------------------------- Supplemental documents
 3029:     if (!$forcestandard) {
 3030:        $r->print('<tr><td class="LC_docs_document">');
 3031: # '<h2>'.&mt('Supplemental Course Documents').
 3032: #  ($allowed?' '.$help{'Supplemental'}:'').'</h2>');
 3033:        my $folder=$env{'form.folder'};
 3034:        unless ($folder=~/^supplemental/) {
 3035: 	   $folder='supplemental';
 3036:        }
 3037:        if ($folder =~ /^supplemental$/ &&
 3038: 	   (($env{'form.folderpath'} =~ /^default\&/) || ($env{'form.folderpath'} eq ''))) {
 3039:           $env{'form.folderpath'} = 'supplemental&'.
 3040:                                     &escape(&mt('Supplemental '.$type.' Documents'));
 3041:        }
 3042:        my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$type);
 3043:        if ($error) {
 3044: 	   $r->print('<p><span class="LC_error">'.$error.'</span></p>');
 3045:        }
 3046:        if ($allowed) {
 3047: 	   my $folderseq=
 3048: 	       '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
 3049: 	       '.sequence';
 3050: 
 3051: 	   my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 3052: 	   $r->print(<<ENDSUPFORM);
 3053: <table class="LC_docs_adddocs"><tr>
 3054: <th>$lt{'upls'}</th>
 3055: <th>$lt{'spec'}</th>
 3056: </tr>
 3057: <tr><td>
 3058: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 3059: <input type="file" name="uploaddoc" size="40" />
 3060: <br />
 3061: <br />
 3062: <span class="LC_nobreak">
 3063: <label>$lt{'parse'}?
 3064: <input type="checkbox" name="parserflag" />
 3065: </label>
 3066: </span>
 3067: <br /><br />
 3068: $lt{'comment'}:<br />
 3069: <textarea cols=50 rows=4 name='comment'>
 3070: </textarea>
 3071: <br />
 3072: <input type="hidden" name="folderpath" value="$path" />
 3073: <input type="hidden" name="cmd" value="upload_supplemental" />
 3074: <span class="LC_nobreak">
 3075: <input type="submit" value="$lt{'upld'}" />
 3076:  $help{'Uploading_From_Harddrive'}
 3077: </span>
 3078: </form>
 3079: </td>
 3080: <td>
 3081: <form action="/adm/coursedocs" method="post" name="supnewfolder">
 3082: <input type="hidden" name="folderpath" value="$path" />
 3083: <input type="hidden" name="importdetail" value="" />
 3084: <span class="LC_nobreak">
 3085: <input name="newfolder" type="button"
 3086: onClick="javascript:makenewfolder(this.form,'$folderseq');"
 3087: value="$lt{'newf'}" /> $help{'Adding_Folders'}
 3088: </span>
 3089: </form>
 3090: <br /><form action="/adm/coursedocs" method="post" name="supnewext">
 3091: <input type="hidden" name="folderpath" value="$path" />
 3092: <input type="hidden" name="importdetail" value="" />
 3093: <span class="LC_nobreak">
 3094: <input name="newext" type="button" 
 3095: onClick="javascript:makenewext('supnewext');"
 3096: value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 3097: </span>
 3098: </form>
 3099: <br /><form action="/adm/coursedocs" method="post" name="supnewsyl">
 3100: <input type="hidden" name="folderpath" value="$path" />
 3101: <input type="hidden" name="importdetail" 
 3102: value="Syllabus=/public/$coursedom/$coursenum/syllabus" />
 3103: <span class="LC_nobreak">
 3104: <input name="newsyl" type="submit" value="$lt{'syll'}" />
 3105: $help{'Syllabus'}
 3106: </span>
 3107: </form>
 3108: <br /><form action="/adm/coursedocs" method="post" name="subnewaboutme">
 3109: <input type="hidden" name="folderpath" value="$path" />
 3110: <input type="hidden" name="importdetail" 
 3111: value="$plainname=/adm/$udom/$uname/aboutme" />
 3112: <span class="LC_nobreak">
 3113: <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 3114: $help{'My Personal Info'}
 3115: </span>
 3116: </form>
 3117: </td></tr>
 3118: </table></td></tr>
 3119: ENDSUPFORM
 3120:        }
 3121:     }
 3122:     $r->print('</table>');
 3123:     if ($allowed) {
 3124: 	$r->print('
 3125: <form method="post" name="extimport" action="/adm/coursedocs">
 3126:   <input type="hidden" name="title" />
 3127:   <input type="hidden" name="url" />
 3128:   <input type="hidden" name="useform" />
 3129:   <input type="hidden" name="residx" />
 3130: </form>');
 3131:     }
 3132:   } else {
 3133:       unless ($upload_result eq 'phasetwo') {
 3134: # -------------------------------------------------------- This is showdoc mode
 3135:           $r->print("<h1>".&mt('Uploaded Document').' - '.
 3136: 		&Apache::lonnet::gettitle($r->uri).'</h1><p>'.
 3137: &mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><table>".
 3138:           &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table>');
 3139:       }
 3140:   }
 3141:  }
 3142:  $r->print(&Apache::loncommon::end_page());
 3143:  return OK;
 3144: } 
 3145: 
 3146: 
 3147: sub editing_js {
 3148:     my ($udom,$uname) = @_;
 3149:     my $now = time();
 3150:     my %lt = &Apache::lonlocal::texthash(
 3151:                                           p_mnf => 'Name of New Folder',
 3152:                                           t_mnf => 'New Folder',
 3153:                                           p_mnp => 'Name of New Page',
 3154:                                           t_mnp => 'New Page',
 3155:                                           p_mxu => 'Title for the Uploaded Score',
 3156:                                           p_msp => 'Title for the Page',
 3157:                                           p_msb => 'Title for the Problem',
 3158:                                           p_mdb => 'Title for the Drop Box',
 3159:                                           p_mbb => 'Title for the Bulletin Board',
 3160:                                           p_mab => "Enter user:domain for User's 'About Me' Page",
 3161:                                           p_mab2 => "About [_99]",
 3162:                                           p_mab_alrt1 => 'Not a valid user:domain',
 3163:                                           p_mab_alrt2 => 'Please enter both user and domain in the format user:domain',
 3164:                                           p_chn => 'New Title',
 3165:                                           p_rmr1 => 'WARNING: Removing a resource makes associated grades and scores inaccessible!',
 3166:                                           p_rmr2a => 'Remove[_99]',
 3167:                                           p_rmr2b => '?[_99]',
 3168:                                           p_ctr1a => 'WARNING: Cutting a resource makes associated grades and scores inaccessible!',
 3169:                                           p_ctr1b => 'Grades remain inaccessible if resource is pasted into another folder.',
 3170:                                           p_ctr2a => 'Cut[_98]',
 3171:                                           p_ctr2b => '?[_98]'
 3172:                                         );
 3173: 
 3174:     return <<ENDNEWSCRIPT;
 3175: function makenewfolder(targetform,folderseq) {
 3176:     var foldername=prompt('$lt{"p_mnf"}','$lt{"t_mnf"}');
 3177:     if (foldername) {
 3178:        targetform.importdetail.value=escape(foldername)+"="+folderseq;
 3179:         targetform.submit();
 3180:     }
 3181: }
 3182: 
 3183: function makenewpage(targetform,folderseq) {
 3184:     var pagename=prompt('$lt{"p_mnp"}','$lt{"t_mnp"}');
 3185:     if (pagename) {
 3186:         targetform.importdetail.value=escape(pagename)+"="+folderseq;
 3187:         targetform.submit();
 3188:     }
 3189: }
 3190: 
 3191: function makenewext(targetname) {
 3192:     this.document.forms.extimport.useform.value=targetname;
 3193:     this.document.forms.extimport.title.value='';
 3194:     this.document.forms.extimport.url.value='';
 3195:     this.document.forms.extimport.residx.value='';
 3196:     window.open('/adm/rat/extpickframe.html');
 3197: }
 3198: 
 3199: function edittext(targetname,residx,title,url) {
 3200:     this.document.forms.extimport.useform.value=targetname;
 3201:     this.document.forms.extimport.residx.value=residx;
 3202:     this.document.forms.extimport.url.value=url;
 3203:     this.document.forms.extimport.title.value=title;
 3204:     window.open('/adm/rat/extpickframe.html');
 3205: }
 3206: 
 3207: function makeexamupload() {
 3208:    var title=prompt('$lt{"p_mxu"}');
 3209:    if (title) { 
 3210:     this.document.forms.newexamupload.importdetail.value=
 3211: 	escape(title)+'=/res/lib/templates/examupload.problem';
 3212:     this.document.forms.newexamupload.submit();
 3213:    }
 3214: }
 3215: 
 3216: function makesmppage() {
 3217:    var title=prompt('$lt{"p_msp"}');
 3218:    if (title) { 
 3219:     this.document.forms.newsmppg.importdetail.value=
 3220: 	escape(title)+'=/adm/$udom/$uname/$now/smppg';
 3221:     this.document.forms.newsmppg.submit();
 3222:    }
 3223: }
 3224: 
 3225: function makesmpproblem() {
 3226:    var title=prompt('$lt{"p_msb"}');
 3227:    if (title) { 
 3228:     this.document.forms.newsmpproblem.importdetail.value=
 3229: 	escape(title)+'=/res/lib/templates/simpleproblem.problem';
 3230:     this.document.forms.newsmpproblem.submit();
 3231:    }
 3232: }
 3233: 
 3234: function makedropbox() {
 3235:    var title=prompt('$lt{"p_mdb"}');
 3236:    if (title) { 
 3237:     this.document.forms.newdropbox.importdetail.value=
 3238:         escape(title)+'=/res/lib/templates/DropBox.problem';
 3239:     this.document.forms.newdropbox.submit();
 3240:    }
 3241: }
 3242: 
 3243: function makebulboard() {
 3244:    var title=prompt('$lt{"p_mbb"}');
 3245:    if (title) {
 3246:     this.document.forms.newbul.importdetail.value=
 3247: 	escape(title)+'=/adm/$udom/$uname/$now/bulletinboard';
 3248:     this.document.forms.newbul.submit();
 3249:    }
 3250: }
 3251: 
 3252: function makeabout() {
 3253:    var user=prompt("$lt{'p_mab'}");
 3254:    if (user) {
 3255:        var comp=new Array();
 3256:        comp=user.split(':');
 3257:        if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {
 3258: 	   if ((comp[0]) && (comp[1])) {
 3259: 	       this.document.forms.newaboutsomeone.importdetail.value=
 3260: 		   '$lt{"p_mab2"}'+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
 3261: 	       this.document.forms.newaboutsomeone.submit();
 3262: 	   } else {
 3263:                alert("$lt{'p_mab_alrt1'}");
 3264:            }
 3265:        } else {
 3266:            alert("$lt{'p_mab_alrt2'}");
 3267:        }
 3268:    }
 3269: }
 3270: 
 3271: function makeims() {
 3272:     var caller = document.forms.ims.folder.value;
 3273:     var newlocation = "/adm/imsimportdocs?folder="+caller+"&phase=one";
 3274:     newWindow = window.open("","IMSimport","HEIGHT=700,WIDTH=750,scrollbars=yes");
 3275:     newWindow.location.href = newlocation;
 3276: }
 3277: 
 3278: 
 3279: function finishpick() {
 3280:     var title=this.document.forms.extimport.title.value;
 3281:     var url=this.document.forms.extimport.url.value;
 3282:     var form=this.document.forms.extimport.useform.value;
 3283:     var residx=this.document.forms.extimport.residx.value;
 3284:     eval('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+'='+residx+'";this.document.forms.'+form+'.submit();');
 3285: }
 3286: 
 3287: function changename(folderpath,index,oldtitle,container,pagesymb) {
 3288:     var title=prompt('$lt{"p_chn"}',oldtitle);
 3289:     if (title) {
 3290: 	this.document.forms.renameform.markcopy.value=-1;
 3291: 	this.document.forms.renameform.title.value=title;
 3292: 	this.document.forms.renameform.cmd.value='rename_'+index;
 3293:         if (container == 'sequence') {
 3294: 	    this.document.forms.renameform.folderpath.value=folderpath;
 3295:         }
 3296:         if (container == 'page') {
 3297:             this.document.forms.renameform.pagepath.value=folderpath;
 3298:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3299:         }
 3300:         this.document.forms.renameform.submit();
 3301:     }
 3302: }
 3303: 
 3304: function removeres(folderpath,index,oldtitle,container,pagesymb,skip_confirm) {
 3305:     if (skip_confirm || confirm('$lt{"p_rmr1"}\\n\\n$lt{"p_rmr2a"} "'+oldtitle+'" $lt{"p_rmr2b"}')) {
 3306: 	this.document.forms.renameform.markcopy.value=-1;
 3307: 	this.document.forms.renameform.cmd.value='del_'+index;
 3308:         if (container == 'sequence') {
 3309:             this.document.forms.renameform.folderpath.value=folderpath;
 3310:         }
 3311:         if (container == 'page') {
 3312:             this.document.forms.renameform.pagepath.value=folderpath;
 3313:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3314:         }
 3315:         this.document.forms.renameform.submit();
 3316:     }
 3317: }
 3318: 
 3319: function cutres(folderpath,index,oldtitle,container,pagesymb,folder,skip_confirm) {
 3320:     if (skip_confirm || confirm('$lt{"p_ctr1a"}\\n$lt{"p_ctr1b"}\\n\\n$lt{"p_ctr2a"} "'+oldtitle+'" $lt{"p_ctr2b"}')) {
 3321: 	this.document.forms.renameform.cmd.value='cut_'+index;
 3322: 	this.document.forms.renameform.markcopy.value=index;
 3323: 	this.document.forms.renameform.copyfolder.value=folder+'.'+container;
 3324:         if (container == 'sequence') {
 3325:             this.document.forms.renameform.folderpath.value=folderpath;
 3326:         }
 3327:         if (container == 'page') {
 3328:             this.document.forms.renameform.pagepath.value=folderpath;
 3329:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3330:         }
 3331:         this.document.forms.renameform.submit();
 3332:     }
 3333: }
 3334: 
 3335: function markcopy(folderpath,index,oldtitle,container,pagesymb,folder) {
 3336:     this.document.forms.renameform.markcopy.value=index;
 3337:     this.document.forms.renameform.copyfolder.value=folder+'.'+container;
 3338:     if (container == 'sequence') {
 3339: 	this.document.forms.renameform.folderpath.value=folderpath;
 3340:     }
 3341:     if (container == 'page') {
 3342: 	this.document.forms.renameform.pagepath.value=folderpath;
 3343: 	this.document.forms.renameform.pagesymb.value=pagesymb;
 3344:     }
 3345:     this.document.forms.renameform.submit();
 3346: }
 3347: 
 3348: ENDNEWSCRIPT
 3349: }
 3350: 1;
 3351: __END__
 3352: 
 3353: 
 3354: =head1 NAME
 3355: 
 3356: Apache::londocs.pm
 3357: 
 3358: =head1 SYNOPSIS
 3359: 
 3360: This is part of the LearningOnline Network with CAPA project
 3361: described at http://www.lon-capa.org.
 3362: 
 3363: =head1 SUBROUTINES
 3364: 
 3365: =over
 3366: 
 3367: =item %help=()
 3368: 
 3369: Available help topics
 3370: 
 3371: =item mapread()
 3372: 
 3373: Mapread read maps into LONCAPA::map:: global arrays 
 3374: @order and @resources, determines status
 3375: sets @order - pointer to resources in right order
 3376: sets @resources - array with the resources with correct idx
 3377: 
 3378: =item authorhosts()
 3379: 
 3380: Return hash with valid author names
 3381: 
 3382: =item dumpbutton()
 3383: 
 3384: Generate "dump" button
 3385: 
 3386: =item clean()
 3387: 
 3388: =item dumpcourse()
 3389: 
 3390:     Actually dump course
 3391: 
 3392: 
 3393: =item exportbutton()
 3394: 
 3395:     Generate "export" button
 3396: 
 3397: =item exportcourse()
 3398: 
 3399: =item create_ims_store()
 3400: 
 3401: =item build_package()
 3402: 
 3403: =item get_dependencies()
 3404: 
 3405: =item process_content()
 3406: 
 3407: =item replicate_content()
 3408: 
 3409: =item extract_media()
 3410: 
 3411: =item store_template()
 3412: 
 3413: =item group_import()
 3414: 
 3415:     Imports the given (name, url) resources into the course
 3416:     coursenum, coursedom, and folder must precede the list
 3417: 
 3418: =item breadcrumbs()
 3419: 
 3420: =item log_docs()
 3421: 
 3422: =item docs_change_log()
 3423: 
 3424: =item update_paste_buffer()
 3425: 
 3426: =item print_paste_buffer()
 3427: 
 3428: =item do_paste_from_buffer()
 3429: 
 3430: =item update_parameter()
 3431: 
 3432: =item handle_edit_cmd()
 3433: 
 3434: =item editor()
 3435: 
 3436: =item process_file_upload()
 3437: 
 3438: =item process_secondary_uploads()
 3439: 
 3440: =item is_supplemental_title()
 3441: 
 3442: =item parse_supplemental_title()
 3443: 
 3444: =item entryline()
 3445: 
 3446: =item tiehash()
 3447: 
 3448: =item untiehash()
 3449: 
 3450: =item checkonthis()
 3451: 
 3452: check on this
 3453: 
 3454: =item verifycontent()
 3455: 
 3456: Verify Content
 3457: 
 3458: =item devalidateversioncache() & checkversions()
 3459: 
 3460: Check Versions
 3461: 
 3462: =item mark_hash_old()
 3463: 
 3464: =item is_hash_old()
 3465: 
 3466: =item changewarning()
 3467: 
 3468: =item init_breadcrumbs()
 3469: 
 3470: Breadcrumbs for special functions
 3471: 
 3472: =back
 3473: 
 3474: =cut

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