File:  [LON-CAPA] / loncom / interface / londocs.pm
Revision 1.443: download - view: text, annotated - select for diffs
Tue Dec 7 17:33:36 2010 UTC (13 years, 5 months ago) by www
Branches: MAIN
CVS tags: HEAD
Saving my work on content screens. Lots more cleanup needed, londocs is a mess.

    1: # The LearningOnline Network
    2: # Documents
    3: #
    4: # $Id: londocs.pm,v 1.443 2010/12/07 17:33:36 www 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 Apache::lonhtmlcommon;
   39: use LONCAPA::map();
   40: use Apache::lonratedt();
   41: use Apache::lonxml;
   42: use Apache::lonclonecourse;
   43: use Apache::lonnavmaps;
   44: use HTML::Entities;
   45: use GDBM_File;
   46: use Apache::lonlocal;
   47: use Cwd;
   48: use LONCAPA qw(:DEFAULT :match);
   49: 
   50: my $iconpath;
   51: 
   52: my %hash;
   53: 
   54: my $hashtied;
   55: my %alreadyseen=();
   56: 
   57: my $hadchanges;
   58: 
   59: 
   60: my %help=();
   61: 
   62: 
   63: sub mapread {
   64:     my ($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 my $key (keys(%env)) {
   88: 	if ($key=~/^user\.role\.(au|ca)\.(.+)$/) {
   89: 	    my $role=$1;
   90: 	    my $realm=$2;
   91: 	    my ($start,$end)=split(/\./,$env{$key});
   92: 	    if (($start) && ($start>time)) { next; }
   93: 	    if (($end) && (time>$end)) { next; }
   94: 	    my ($ca,$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 $crstype = &Apache::loncommon::course_type();
  121:     if ($home+$other==0) { return ''; }
  122:     if ($home) {
  123:         my $link =
  124:             "<a class='LC_menubuttons_link' href='javascript:injectData(document.courseverify, \"dummy\", \"dumpcourse\", \""
  125:            .&mt('Dump '.$crstype.' Documents to Construction Space')
  126:            ."\")'>"
  127:            .&mt('Dump '.$crstype.' Documents to Construction Space')
  128:            .'</a>';
  129:         return
  130:             $link.' '
  131:            .&Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs')
  132:            .'<br />';
  133:     } else {
  134:         return
  135:             &mt('Dump '.$crstype.' Documents to Construction Space: available on other servers');
  136:     }
  137: }
  138: 
  139: sub clean {
  140:     my ($title)=@_;
  141:     $title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
  142:     return $title;
  143: }
  144: 
  145: 
  146: 
  147: sub dumpcourse {
  148:     my ($r) = @_;
  149:     my $crstype = &Apache::loncommon::course_type();
  150:     $r->print(&Apache::loncommon::start_page('Dump '.$crstype.' Documents to Construction Space').
  151: 	      '<form name="dumpdoc" action="" method="post">');
  152:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Dump '.$crstype.' Documents to Construction Space'));
  153:     my ($home,$other,%outhash)=&authorhosts();
  154:     unless ($home) { return ''; }
  155:     my $origcrsid=$env{'request.course.id'};
  156:     my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
  157:     if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
  158: # Do the dumping
  159: 	unless ($outhash{'home_'.$env{'form.authorspace'}}) { return ''; }
  160: 	my ($ca,$cd)=split(/\@/,$env{'form.authorspace'});
  161: 	$r->print('<h3>'.&mt('Copying Files').'</h3>');
  162: 	my $title=$env{'form.authorfolder'};
  163: 	$title=&clean($title);
  164: 	my %replacehash=();
  165: 	foreach my $key (keys(%env)) {
  166: 	    if ($key=~/^form\.namefor\_(.+)/) {
  167: 		$replacehash{$1}=$env{$key};
  168: 	    }
  169: 	}
  170: 	my $crs='/uploaded/'.$env{'request.course.id'}.'/';
  171: 	$crs=~s/\_/\//g;
  172: 	foreach my $item (keys(%replacehash)) {
  173: 	    my $newfilename=$title.'/'.$replacehash{$item};
  174: 	    $newfilename=~s/\.(\w+)$//;
  175: 	    my $ext=$1;
  176: 	    $newfilename=&clean($newfilename);
  177: 	    $newfilename.='.'.$ext;
  178: 	    my @dirs=split(/\//,$newfilename);
  179: 	    my $path='/home/'.$ca.'/public_html';
  180: 	    my $makepath=$path;
  181: 	    my $fail=0;
  182: 	    for (my $i=0;$i<$#dirs;$i++) {
  183: 		$makepath.='/'.$dirs[$i];
  184: 		unless (-e $makepath) {
  185: 		    unless(mkdir($makepath,0777)) { $fail=1; }
  186: 		}
  187: 	    }
  188: 	    $r->print('<br /><tt>'.$item.'</tt> => <tt>'.$newfilename.'</tt>: ');
  189: 	    if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
  190: 		if ($item=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
  191: 		    print $fh &Apache::lonclonecourse::rewritefile(
  192:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$item),
  193: 				     (%replacehash,$crs => '')
  194: 								    );
  195: 		} else {
  196: 		    print $fh
  197:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$item);
  198: 		       }
  199: 		$fh->close();
  200: 	    } else {
  201: 		$fail=1;
  202: 	    }
  203: 	    if ($fail) {
  204: 		$r->print('<span class="LC_error">'.&mt('fail').'</span>');
  205: 	    } else {
  206: 		$r->print('<span class="LC_success">'.&mt('ok').'</span>');
  207: 	    }
  208: 	}
  209:     } else {
  210: # Input form
  211: 	unless ($home==1) {
  212: 	    $r->print(
  213: 		      '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');
  214: 	}
  215: 	foreach my $key (sort(keys(%outhash))) {
  216: 	    if ($key=~/^home_(.+)$/) {
  217: 		if ($home==1) {
  218: 		    $r->print(
  219: 		  '<input type="hidden" name="authorspace" value="'.$1.'" />');
  220: 		} else {
  221: 		    $r->print('<option value="'.$1.'">'.$1.' - '.
  222: 			      &Apache::loncommon::plainname(split(/\@/,$1)).'</option>');
  223: 		}
  224: 	    }
  225: 	}
  226: 	unless ($home==1) {
  227: 	    $r->print('</select>');
  228: 	}
  229: 	my $title=$origcrsdata{'description'};
  230: 	$title=~s/[\/\s]+/\_/gs;
  231: 	$title=&clean($title);
  232: 	$r->print('<h3>'.&mt('Folder in Construction Space').'</h3>'
  233:                  .'<input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
  234: 	&tiehash();
  235: 	$r->print('<h3>'.&mt('Filenames in Construction Space').'</h3>'
  236:                  .&Apache::loncommon::start_data_table()
  237:                  .&Apache::loncommon::start_data_table_header_row()
  238:                  .'<th>'.&mt('Internal Filename').'</th>'
  239:                  .'<th>'.&mt('Title').'</th>'
  240:                  .'<th>'.&mt('Save as ...').'</th>'
  241:                  .&Apache::loncommon::end_data_table_header_row());
  242: 	foreach my $file (&Apache::lonclonecourse::crsdirlist($origcrsid,'userfiles')) {
  243: 	    $r->print(&Apache::loncommon::start_data_table_row()
  244:                      .'<td>'.$file.'</td>');
  245: 	    my ($ext)=($file=~/\.(\w+)$/);
  246: 	    my $title=$hash{'title_'.$hash{
  247: 		'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$file}};
  248: 	    $r->print('<td>'.($title?$title:'&nbsp;').'</td>');
  249: 	    if (!$title) {
  250: 		$title=$file;
  251: 	    } else {
  252: 		$title=~s|/|_|g;
  253: 	    }
  254: 	    $title=~s/\.(\w+)$//;
  255: 	    $title=&clean($title);
  256: 	    $title.='.'.$ext;
  257: 	    $r->print("\n<td><input type='text' size='60' name='namefor_".$file."' value='".$title."' /></td>"
  258:                      .&Apache::loncommon::end_data_table_row());
  259: 	}
  260: 	$r->print(&Apache::loncommon::end_data_table());
  261: 	&untiehash();
  262: 	$r->print(
  263:   '<p><input type="submit" name="dumpcourse" value="'.&mt("Dump $crstype Documents").'" /></p></form>');
  264:     }
  265: }
  266: 
  267: 
  268: 
  269: sub exportbutton {
  270:     my $crstype = &Apache::loncommon::course_type();
  271:     return "<a class='LC_menubuttons_link' href='javascript:injectData(document.courseverify, \"dummy\", \"exportcourse\", \"".&mt('IMS Export')."\")'>".&mt('IMS Export')."</a>".
  272:     &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs').'<br />';
  273: }
  274: 
  275: 
  276: 
  277: sub exportcourse {
  278:     my $r=shift;
  279:     my $crstype = &Apache::loncommon::course_type();
  280:     my %discussiontime = &Apache::lonnet::dump('discussiontimes',
  281:                                                $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
  282:     my $numdisc = keys(%discussiontime);
  283:     my $navmap = Apache::lonnavmaps::navmap->new();
  284:     if (!defined($navmap)) {
  285:         $r->print(&Apache::loncommon::start_page('Export '.$crstype.' to IMS Package').
  286:                   '<h2>'.&mt('IMS Export Failed').'</h2>'.
  287:                   '<div class="LC_error">');
  288:         if ($crstype eq 'Community') {
  289:             $r->print(&mt('Unable to retrieve information about community contents'));
  290:         } else {
  291:             $r->print(&mt('Unable to retrieve information about course contents'));
  292:         }
  293:         $r->print('</div><a href="/adm/coursedocs">');
  294:         if ($crstype eq 'Community') {
  295:             $r->print(&mt('Return to Community Editor'));
  296:         } else {
  297:             $r->print(&mt('Return to Course Editor'));
  298:         }
  299:         $r->print('</a>');
  300:         &Apache::lonnet::logthis('IMS export failed - could not create navmap object in '.lc($crstype).':'.$env{'request.course.id'});
  301:         return;
  302:     }
  303:     my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
  304:     my $curRes;
  305:     my $outcome;
  306: 
  307:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  308:                                             ['finishexport']);
  309:     if ($env{'form.finishexport'}) {
  310:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  311:                                             ['archive','discussion']);
  312: 
  313:         my @exportitems = &Apache::loncommon::get_env_multiple('form.archive');
  314:         my @discussions = &Apache::loncommon::get_env_multiple('form.discussion');
  315:         if (@exportitems == 0 && @discussions == 0) {
  316:             $outcome = 
  317:                 '<p class="LC_warning">'
  318:                .&mt('As you did not select any content items or discussions'
  319:                    .' for export, an IMS package has not been created.')
  320:                .'</p>'
  321:                .'<p>'
  322:                .&mt('Please [_1]go back[_2] to select either content items'
  323:                    .' or discussions for export.'
  324:                        ,'<a href="javascript:history.go(-1)">'
  325:                        ,'</a>')
  326:                .'</p>';
  327:         } else {
  328:             my $now = time;
  329:             my %symbs;
  330:             my $manifestok = 0;
  331:             my $imsresources;
  332:             my $tempexport;
  333:             my $copyresult;
  334:             my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
  335:             if ($manifestok) {
  336:                 &build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest);
  337:                 close($ims_manifest);
  338: 
  339: #Create zip file in prtspool
  340:                 my $imszipfile = '/prtspool/'.
  341:                 $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
  342:                    time.'_'.rand(1000000000).'.zip';
  343:                 my $cwd = &Cwd::getcwd();
  344:                 my $imszip = '/home/httpd/'.$imszipfile;
  345:                 chdir $tempexport;
  346:                 open(OUTPUT, "zip -r $imszip *  2> /dev/null |");
  347:                 close(OUTPUT);
  348:                 chdir $cwd;
  349:                 $outcome .= '<p>'
  350:                            .&mt('[_1]Your IMS package[_2] is ready for download.'
  351:                                ,'<a href="'.$imszipfile.'">','</a>')
  352:                            .'</p>';
  353:                 if ($copyresult) {
  354:                     $outcome .= '<p class="LC_error">'
  355:                                .&mt('The following errors occurred during export - [_1]'
  356:                                    ,$copyresult)
  357:                                .'</p>';
  358:                 }
  359:             } else {
  360:                 $outcome = '<p class="LC_error">'
  361:                           .&mt('Unfortunately you will not be able to retrieve'
  362:                               .' an IMS archive of your course at this time,'
  363:                               .' because there was a problem creating a'
  364:                               .' manifest file.')
  365:                           .'</p>'
  366:                           .'<p><a href="javascript:history.go(-1)">'
  367:                           .&mt('Go Back')
  368:                           .'</a></p>';
  369:             }
  370:         }
  371:         $r->print(&Apache::loncommon::start_page('Export '.$crstype.' to IMS Package'));
  372: 	$r->print(&Apache::lonhtmlcommon::breadcrumbs('IMS Export'));
  373:         $r->print($outcome);
  374:         $r->print(&Apache::loncommon::end_page());
  375:     } else {
  376:         my $display='<form name="exportdoc" action="" method="post">'."\n".
  377:                     '<p>'.
  378:                     &mt('Choose which items you wish to export from your '.$crstype.'.').
  379:                     '</p>'.
  380:                     '<div class="LC_columnSection"><fieldset>'.
  381:                     '<legend>'.&mt('Content items').'</legend>'.
  382:                     '<input type="button" value="'.&mt('check all').'" '.
  383:                     'onclick="javascript:checkAll(document.exportdoc.archive)" />'.
  384:                     '&nbsp;&nbsp;<input type="button" value="'.&mt('uncheck all').'"'.
  385:                     ' onclick="javascript:uncheckAll(document.exportdoc.archive)" /></fieldset>';
  386:         if ($numdisc > 0) {
  387:             $display .= '<fieldset>'.
  388:                         '<legend>'.&mt('Discussion posts').'</legend>'.
  389:                         '<input type="button" value="'.&mt('check all').'"'.
  390:                         ' onclick="javascript:checkAll(document.exportdoc.discussion)" />'.
  391:                         '&nbsp;&nbsp;<input type="button" value="'.&mt('uncheck all').'"'.
  392:                         ' onclick="javascript:uncheckAll(document.exportdoc.discussion)" />'.
  393:                         '</fieldset>';
  394:         }
  395:         $display .= '</div>';
  396:         my $curRes;
  397:         my $depth = 0;
  398:         my $count = 0;
  399:         my $boards = 0;
  400:         my $startcount = 5;
  401:         my %parent = ();
  402:         my %children = ();
  403:         my $lastcontainer = $startcount;
  404:         $display .= &Apache::loncommon::start_data_table()
  405:                    .&Apache::loncommon::start_data_table_header_row()
  406:                    .'<th>'.&mt('Export content item?').'</th>';
  407:         if ($numdisc > 0) {
  408:             $display .= '<th>'.&mt('Export discussion posts?').'</th>';
  409:         }
  410:         $display .= &Apache::loncommon::end_data_table_header_row();
  411:         while ($curRes = $it->next()) {
  412:             if (ref($curRes)) {
  413:                 $count ++;
  414:             }
  415:             if ($curRes == $it->BEGIN_MAP()) {
  416:                 $depth++;
  417:                 $parent{$depth} = $lastcontainer;
  418:             }
  419:             if ($curRes == $it->END_MAP()) {
  420:                 $depth--;
  421:                 $lastcontainer = $parent{$depth};
  422:             }
  423:             if (ref($curRes)) {
  424:                 my $symb = $curRes->symb();
  425:                 my $ressymb = $symb;
  426:                 if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
  427:                     unless ($ressymb =~ m|adm/wrapper/adm|) {
  428:                         $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  429:                     }
  430:                 }
  431:                 my $currelem = $count+$boards+$startcount;
  432:                 $display .= &Apache::loncommon::start_data_table_row()
  433:                            .'<td>'."\n"
  434:                            .'<input type="checkbox" name="archive" value="'.$count.'" ';
  435:                 if (($curRes->is_sequence()) || ($curRes->is_page())) {
  436:                     $lastcontainer = $currelem;
  437:                     $display .= 'onclick="javascript:propagateCheck('."'$currelem'".')"';
  438:                 }
  439:                 $display .= ' />'."\n";
  440:                 for (my $i=0; $i<$depth; $i++) {
  441:                     $display .= ('<img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" alt="" />' x2)."\n";
  442:                 }
  443:                 if ($curRes->is_sequence()) {
  444:                     $display .= '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" />&nbsp;'."\n";
  445:                 } elsif ($curRes->is_page()) {
  446:                     $display .= '<img src="/adm/lonIcons/navmap.page.open.gif" alt="" />&nbsp;'."\n";
  447:                 }
  448:                 $children{$parent{$depth}} .= $currelem.':';
  449:                 $display .= '&nbsp;'.$curRes->title().'</td>'."\n";
  450: 
  451:                 # Existing discussion posts?
  452:                 if ($discussiontime{$ressymb} > 0) {
  453:                     $boards ++;
  454:                     $display .= '<td align="right">'
  455:                                .'<input type="checkbox" name="discussion" value="'.$count.'" />'
  456:                                .'</td>'."\n";
  457:                 } elsif ($numdisc > 0) {
  458:                     $display .= '<td>&nbsp;</td>'."\n";
  459:                 }
  460:                 $display .= &Apache::loncommon::end_data_table_row();
  461:             }
  462:         }
  463:         $display .= &Apache::loncommon::end_data_table();
  464:         my $scripttag = qq|
  465: <script type="text/javascript">
  466: // <![CDATA[
  467: function checkAll(field) {
  468:     if (field.length > 0) {
  469:         for (i = 0; i < field.length; i++) {
  470:             field[i].checked = true ;
  471:         }
  472:     } else {
  473:         field.checked = true
  474:     }
  475: }
  476: 
  477: function uncheckAll(field) {
  478:     if (field.length > 0) {
  479:         for (i = 0; i < field.length; i++) {
  480:             field[i].checked = false ;
  481:         }
  482:     } else {
  483:         field.checked = false ;
  484:     }
  485: }
  486: 
  487: function propagateCheck(item) {
  488:     if (document.exportdoc.elements[item].checked == true) {
  489:         containerCheck(item)
  490:     }
  491: }
  492: 
  493: function containerCheck(item) {
  494:     document.exportdoc.elements[item].checked = true
  495:     var numitems = $count + $boards + $startcount
  496:     var parents = new Array(numitems)
  497:     for (var i=$startcount; i<numitems; i++) {
  498:         parents[i] = new Array
  499:     }
  500:         |;
  501: 
  502:         foreach my $container (sort { $a <=> $b } (keys(%children))) {
  503:             my @contents = split(/:/,$children{$container});
  504:             for (my $i=0; $i<@contents; $i ++) {
  505:                 $scripttag .= '    parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
  506:             }
  507:         }
  508: 
  509:         $scripttag .= qq|
  510:     if (parents[item].length > 0) {
  511:         for (var j=0; j<parents[item].length; j++) {
  512:             containerCheck(parents[item][j])
  513:         }
  514:      }
  515: }
  516: // ]]>
  517: </script>
  518:         |;
  519: 	$r->print(&Apache::loncommon::start_page('Export '.$crstype.' to IMS Package',
  520: 						 $scripttag));
  521: 	$r->print(&Apache::lonhtmlcommon::breadcrumbs('IMS Export'));
  522: 	$r->print($display.
  523:                   '<p><input type="hidden" name="finishexport" value="1" />'.
  524:                   '<input type="submit" name="exportcourse" value="'.
  525:                   &mt('Export').'" /></p></form>');
  526:     }
  527: }
  528: 
  529: sub create_ims_store {
  530:     my ($now,$manifestok,$outcome,$tempexport) = @_;
  531:     $$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
  532:     my $ims_manifest;
  533:     if (!-e $$tempexport) {
  534:         mkdir($$tempexport,0700);
  535:     }
  536:     $$tempexport .= '/'.$now;
  537:     if (!-e $$tempexport) {
  538:         mkdir($$tempexport,0700);
  539:     }
  540:     $$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
  541:     if (!-e $$tempexport) {
  542:         mkdir($$tempexport,0700);
  543:     }
  544:     if (!-e "$$tempexport/resources") {
  545:         mkdir("$$tempexport/resources",0700);
  546:     }
  547: # open manifest file
  548:     my $manifest = '/imsmanifest.xml';
  549:     my $manifestfilename = $$tempexport.$manifest;
  550:     if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
  551:         $$manifestok=1;
  552:         print $ims_manifest
  553: '<?xml version="1.0" encoding="UTF-8"?>'."\n".
  554: '<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"'.
  555: ' xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"'.
  556: ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'.
  557: ' identifier="MANIFEST-'.$env{'request.course.id'}.'-'.$now.'"'.
  558: '  xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1imscp_v1p1.xsd'.
  559: '  http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">'."\n".
  560: '  <metadata>
  561:     <schema></schema>
  562:     <imsmd:lom>
  563:       <imsmd:general>
  564:         <imsmd:identifier>'.$env{'request.course.id'}.'</imsmd:identifier>
  565:         <imsmd:title>
  566:           <imsmd:langstring xml:lang="en">'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</imsmd:langstring>
  567:         </imsmd:title>
  568:       </imsmd:general>
  569:     </imsmd:lom>
  570:   </metadata>'."\n".
  571: '  <organizations default="ORG-'.$env{'request.course.id'}.'-'.$now.'">'."\n".
  572: '    <organization identifier="ORG-'.$env{'request.course.id'}.'-'.$now.'"'.
  573: ' structure="hierarchical">'."\n".
  574: '      <title>'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</title>'
  575:     } else {
  576:         $$outcome .= 'An error occurred opening the IMS manifest file.<br />'
  577: ;
  578:     }
  579:     return $ims_manifest;
  580: }
  581: 
  582: sub build_package {
  583:     my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
  584: # first iterator to look for dependencies
  585:     my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  586:     my $curRes;
  587:     my $count = 0;
  588:     my $depth = 0;
  589:     my $lastcontainer = 0;
  590:     my %parent = ();
  591:     my @dependencies = ();
  592:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  593:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  594:     while ($curRes = $it->next()) {
  595:         if (ref($curRes)) {
  596:             $count ++;
  597:         }
  598:         if ($curRes == $it->BEGIN_MAP()) {
  599:             $depth++;
  600:             $parent{$depth} = $lastcontainer;
  601:         }
  602:         if ($curRes == $it->END_MAP()) {
  603:             $depth--;
  604:             $lastcontainer = $parent{$depth};
  605:         }
  606:         if (ref($curRes)) {
  607:             if ($curRes->is_sequence() || $curRes->is_page()) {
  608:                 $lastcontainer = $count;
  609:             }
  610:             if (grep(/^$count$/,@$exportitems)) {
  611:                 &get_dependencies($exportitems,\%parent,$depth,\@dependencies);
  612:             }
  613:         }
  614:     }
  615: # second iterator to build manifest and store resources
  616:     $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  617:     $depth = 0;
  618:     my $prevdepth;
  619:     $count = 0;
  620:     my $imsresources;
  621:     my $pkgdepth;
  622:     while ($curRes = $it->next()) {
  623:         if ($curRes == $it->BEGIN_MAP()) {
  624:             $prevdepth = $depth;
  625:             $depth++;
  626:         }
  627:         if ($curRes == $it->END_MAP()) {
  628:             $prevdepth = $depth;
  629:             $depth--;
  630:         }
  631: 
  632:         if (ref($curRes)) {
  633:             $count ++;
  634:             if ((grep(/^$count$/,@$exportitems)) || (grep(/^$count$/,@dependencies))) {
  635:                 my $symb = $curRes->symb();
  636:                 my $isvisible = 'true';
  637:                 my $resourceref;
  638:                 if ($curRes->randomout()) {
  639:                     $isvisible = 'false';
  640:                 }
  641:                 unless ($curRes->is_sequence()) {
  642:                     $resourceref = 'identifierref="RES-'.$env{'request.course.id'}.'-'.$count.'"';
  643:                 }
  644:                 my $step = $prevdepth - $depth;
  645:                 if (($step >= 0) && ($count > 1)) {
  646:                     while ($step >= 0) {
  647:                         print $ims_manifest "\n".'  </item>'."\n";
  648:                         $step --;
  649:                     }
  650:                 }
  651:                 $prevdepth = $depth;
  652: 
  653:                 my $itementry =
  654:               '<item identifier="ITEM-'.$env{'request.course.id'}.'-'.$count.
  655:               '" isvisible="'.$isvisible.'" '.$resourceref.'>'.
  656:               '<title>'.$curRes->title().'</title>';
  657:                 print $ims_manifest "\n".$itementry;
  658: 
  659:                 unless ($curRes->is_sequence()) {
  660:                     my $content_file;
  661:                     my @hrefs = ();
  662:                     &process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport);
  663:                     if ($content_file) {
  664:                         $imsresources .= "\n".
  665:                      '   <resource identifier="RES-'.$env{'request.course.id'}.'-'.$count.
  666:                      '" type="webcontent" href="'.$content_file.'">'."\n".
  667:                      '       <file href="'.$content_file.'" />'."\n";
  668:                         foreach my $item (@hrefs) {
  669:                             $imsresources .=
  670:                      '        <file href="'.$item.'" />'."\n";
  671:                         }
  672:                         if (grep(/^$count$/,@$discussions)) {
  673:                             my $ressymb = $symb;
  674:                             my $mode;
  675:                             if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
  676:                                 unless ($ressymb =~ m|adm/wrapper/adm|) {
  677:                                     $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  678:                                 }
  679:                                 $mode = 'board';
  680:                             }
  681:                             my %extras = (
  682:                                           caller => 'imsexport',
  683:                                           tempexport => $tempexport.'/resources',
  684:                                           count => $count
  685:                                          );
  686:                             my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras);
  687:                         }
  688:                         $imsresources .= '    </resource>'."\n";
  689:                     }
  690:                 }
  691:                 $pkgdepth = $depth;
  692:             }
  693:         }
  694:     }
  695:     while ($pkgdepth > 0) {
  696:         print $ims_manifest "    </item>\n";
  697:         $pkgdepth --;
  698:     }
  699:     my $resource_text = qq|
  700:     </organization>
  701:   </organizations>
  702:   <resources>
  703:     $imsresources
  704:   </resources>
  705: </manifest>
  706:     |;
  707:     print $ims_manifest $resource_text;
  708: }
  709: 
  710: sub get_dependencies {
  711:     my ($exportitems,$parent,$depth,$dependencies) = @_;
  712:     if ($depth > 1) {
  713:         if ((!grep(/^$$parent{$depth}$/,@$exportitems)) && (!grep(/^$$parent{$depth}$/,@$dependencies))) {
  714:             push(@{$dependencies},$$parent{$depth});
  715:             if ($depth > 2) {
  716:                 &get_dependencies($exportitems,$parent,$depth-1,$dependencies);
  717:             }
  718:         }
  719:     }
  720: }
  721: 
  722: sub process_content {
  723:     my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
  724:     my $content_type;
  725:     my $message;
  726:     my @uploads = ();
  727:     if ($curRes->is_sequence()) {
  728:         $content_type = 'sequence';
  729:     } elsif ($curRes->is_page()) {
  730:         $content_type = 'page'; # need to handle individual items in pages.
  731:     } elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
  732:         $content_type = 'syllabus';
  733:         my $contents = &Apache::imsexport::templatedpage($content_type);
  734:         if ($contents) {
  735:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  736:         }
  737:     } elsif ($symb =~ m-\.sequence___\d+___ext-) {
  738:         $content_type = 'external';
  739:         my $title = $curRes->title;
  740:         my $contents =  &Apache::imsexport::external($symb,$title);
  741:         if ($contents) {
  742:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  743:         }
  744:     } elsif ($symb =~ m-adm/navmaps$-) {
  745:         $content_type =  'navmap';
  746:     } elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) {
  747:         $content_type = 'simplepage';
  748:         my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads);
  749:         if ($contents) {
  750:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  751:         }
  752:     } elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) {
  753:         $content_type = 'simpleproblem';
  754:         my $contents =  &Apache::imsexport::simpleproblem($symb);
  755:         if ($contents) {
  756:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  757:         }
  758:     } elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
  759:         $content_type = 'examupload';
  760:     } elsif ($symb =~ m-adm/($match_domain)/($match_username)/(\d+)/bulletinboard$-) {
  761:         $content_type = 'bulletinboard';
  762:         my $contents =  &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
  763:         if ($contents) {
  764:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  765:         }
  766:     } elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) {
  767:         $content_type = 'aboutme';
  768:         my $contents =  &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2);
  769:         if ($contents) {
  770:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  771:         }
  772:     } elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) {
  773:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  774:     } elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) {
  775:         my $canedit = 0;
  776:         if ($2 eq $env{'user.domain'} && $3 eq $env{'user.name'})  {
  777:             $canedit= 1;
  778:         }
  779: # only include problem code where current user is author
  780:         if ($canedit) {
  781:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource');
  782:         } else {
  783:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit');
  784:         }
  785:     } elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
  786:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  787:     }
  788:     if (@uploads > 0) {
  789:         foreach my $item (@uploads) {
  790:             my $uploadmsg = '';
  791:             &replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload');
  792:             if ($uploadmsg) {
  793:                 $$copyresult .= $uploadmsg."\n";
  794:             }
  795:         }
  796:     }
  797:     if ($message) {
  798:         $$copyresult .= $message."\n";
  799:     }
  800: }
  801: 
  802: sub replicate_content {
  803:     my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
  804:     my ($map,$ind,$url);
  805:     if ($caller eq 'templateupload') {
  806:         $url = $symb;
  807:         $url =~ s#//#/#g;
  808:     } else {
  809:         ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
  810:     }
  811:     my $content;
  812:     my $filename;
  813:     my $repstatus;
  814:     my $content_name;
  815:     if ($url =~ m-/([^/]+)$-) {
  816:         $filename = $1;
  817:         if (!-e $tempexport.'/resources') {
  818:             mkdir($tempexport.'/resources',0700);
  819:         }
  820:         if (!-e $tempexport.'/resources/'.$count) {
  821:             mkdir($tempexport.'/resources/'.$count,0700);
  822:         }
  823:         my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
  824:         my $copiedfile;
  825:         if ($copiedfile = Apache::File->new('>'.$destination)) {
  826:             my $content;
  827:             if ($caller eq 'resource') {
  828:                 my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
  829:                 my $filepath = &Apache::lonnet::filelocation($respath,$url);
  830:                 $content = &Apache::lonnet::getfile($filepath);
  831:                 if ($content eq -1) {
  832:                     $$message = 'Could not copy file '.$filename;
  833:                 } else {
  834:                     &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'resource');
  835:                     $repstatus = 'ok';
  836:                 }
  837:             } elsif ($caller eq 'uploaded' || $caller eq 'templateupload') {
  838:                 my $rtncode;
  839:                 $repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode);
  840:                 if ($repstatus eq 'ok') {
  841:                     if ($url =~ /\.html?$/i) {
  842:                         &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'uploaded');
  843:                     }
  844:                 } else {
  845:                     $$message = 'Could not render '.$url.' server message - '.$rtncode."<br />\n";
  846:                 }
  847:             } elsif ($caller eq 'noedit') {
  848: # Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this.
  849:                 $repstatus = 'ok';
  850:                 $content = 'Not the owner of this resource';
  851:             }
  852:             if ($repstatus eq 'ok') {
  853:                 print $copiedfile $content;
  854:             }
  855:             close($copiedfile);
  856:         } else {
  857:             $$message = 'Could not open destination file for '.$filename."<br />\n";
  858:         }
  859:     } else {
  860:         $$message = 'Could not determine name of file for '.$symb."<br />\n";
  861:     }
  862:     if ($repstatus eq 'ok') {
  863:         $content_name = 'resources/'.$count.'/'.$filename;
  864:     }
  865:     return $content_name;
  866: }
  867: 
  868: sub extract_media {
  869:     my ($url,$cdom,$cnum,$content,$count,$tempexport,$href,$message,$caller) = @_;
  870:     my ($dirpath,$container);
  871:     my %allfiles = ();
  872:     my %codebase = ();
  873:     if ($url =~ m-(.*/)([^/]+)$-) {
  874:         $dirpath = $1;
  875:         $container = $2;
  876:     } else {
  877:         $dirpath = $url;
  878:         $container = '';
  879:     }
  880:     &Apache::lonnet::extract_embedded_items(undef,\%allfiles,\%codebase,$content);
  881:     foreach my $embed_file (keys(%allfiles)) {
  882:         my $filename;
  883:         if ($embed_file =~ m#([^/]+)$#) {
  884:             $filename = $1;
  885:         } else {
  886:             $filename = $embed_file;
  887:         }
  888:         my $newname = 'res/'.$filename;
  889:         my ($rtncode,$embed_content,$repstatus);
  890:         my $embed_url;
  891:         if ($embed_file =~ m-^/-) {
  892:             $embed_url = $embed_file;           # points to absolute path
  893:         } else {
  894:             if ($embed_file =~ m-https?://-) {
  895:                 next;                           # points to url
  896:             } else {
  897:                 $embed_url = $dirpath.$embed_file;  # points to relative path
  898:             }
  899:         }
  900:         if ($caller eq 'resource') {
  901:             my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
  902:             my $embed_path = &Apache::lonnet::filelocation($respath,$embed_url);
  903:             $embed_content = &Apache::lonnet::getfile($embed_path);
  904:             unless ($embed_content eq -1) {
  905:                 $repstatus = 'ok';
  906:             }
  907:         } elsif ($caller eq 'uploaded') {
  908: 
  909:             $repstatus = &Apache::lonnet::getuploaded('GET',$embed_url,$cdom,$cnum,\$embed_content,$rtncode);
  910:         }
  911:         if ($repstatus eq 'ok') {
  912:             my $destination = $tempexport.'/resources/'.$count.'/res';
  913:             if (!-e "$destination") {
  914:                 mkdir($destination,0755);
  915:             }
  916:             $destination .= '/'.$filename;
  917:             my $copiedfile;
  918:             if ($copiedfile = Apache::File->new('>'.$destination)) {
  919:                 print $copiedfile $embed_content;
  920:                 push(@{$href},'resources/'.$count.'/res/'.$filename);
  921:                 my $attrib_regexp = '';
  922:                 if (@{$allfiles{$embed_file}} > 1) {
  923:                     $attrib_regexp = join('|',@{$allfiles{$embed_file}});
  924:                 } else {
  925:                     $attrib_regexp = $allfiles{$embed_file}[0];
  926:                 }
  927:                 $$content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$embed_file\E(['"]?)#$1$newname$2#gi;
  928:                 if ($caller eq 'resource' && $container =~ /\.(problem|library)$/) {
  929:                     $$content =~ s#\Q$embed_file\E#$newname#gi;
  930:                 }
  931:             }
  932:         } else {
  933:             $$message .= 'replication of embedded file - '.$embed_file.' in '.$url.' failed, reason -'.$rtncode."<br />\n";
  934:         }
  935:     }
  936:     return;
  937: }
  938: 
  939: sub store_template {
  940:     my ($contents,$tempexport,$count,$content_type) = @_;
  941:     if ($contents) {
  942:         if ($tempexport) {
  943:             if (!-e $tempexport.'/resources') {
  944:                 mkdir($tempexport.'/resources',0700);
  945:             }
  946:             if (!-e $tempexport.'/resources/'.$count) {
  947:                 mkdir($tempexport.'/resources/'.$count,0700);
  948:             }
  949:             my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml';
  950:             my $storetemplate;
  951:             if ($storetemplate = Apache::File->new('>'.$destination)) {
  952:                 print $storetemplate $contents;
  953:                 close($storetemplate);
  954:             }
  955:             if ($content_type eq 'external') {
  956:                 return 'resources/'.$count.'/'.$content_type.'.html';
  957:             } else {
  958:                 return 'resources/'.$count.'/'.$content_type.'.xml';
  959:             }
  960:         }
  961:     }
  962: }
  963: 
  964: 
  965: sub group_import {
  966:     my ($coursenum, $coursedom, $folder, $container, $caller, @files) = @_;
  967: 
  968:     while (@files) {
  969: 	my ($name, $url, $residx) = @{ shift(@files) };
  970:         if (($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/(default_\d+\.)(page|sequence)$})
  971: 	     && ($caller eq 'londocs')
  972: 	     && (!&Apache::lonnet::stat_file($url))) {
  973: 
  974:             my $errtext = '';
  975:             my $fatal = 0;
  976:             my $newmapstr = '<map>'."\n".
  977:                             '<resource id="1" src="" type="start"></resource>'."\n".
  978:                             '<link from="1" to="2" index="1"></link>'."\n".
  979:                             '<resource id="2" src="" type="finish"></resource>'."\n".
  980:                             '</map>';
  981:             $env{'form.output'}=$newmapstr;
  982:             my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
  983:                                                 'output',$1.$2);
  984:             if ($result != m|^/uploaded/|) {
  985:                 $errtext.='Map not saved: A network error occurred when trying to save the new map. ';
  986:                 $fatal = 2;
  987:             }
  988:             if ($fatal) {
  989:                 return ($errtext,$fatal);
  990:             }
  991:         }
  992: 	if ($url) {
  993: 	    if (!$residx
  994: 		|| defined($LONCAPA::map::zombies[$residx])) {
  995: 		$residx = &LONCAPA::map::getresidx($url,$residx);
  996: 		push(@LONCAPA::map::order, $residx);
  997: 	    }
  998: 	    my $ext = 'false';
  999: 	    if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
 1000: 	    $url  = &LONCAPA::map::qtunescape($url);
 1001: 	    $name = &LONCAPA::map::qtunescape($name);
 1002: 	    $LONCAPA::map::resources[$residx] =
 1003: 		join(':', ($name, $url, $ext, 'normal', 'res'));
 1004: 	}
 1005:     }
 1006:     return &storemap($coursenum, $coursedom, $folder.'.'.$container);
 1007: }
 1008: 
 1009: sub breadcrumbs {
 1010:     my ($allowed,$crstype)=@_;
 1011:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 1012:     my (@folders);
 1013:     if ($env{'form.pagepath'}) {
 1014:         @folders = split('&',$env{'form.pagepath'});
 1015:     } else {
 1016:         @folders=split('&',$env{'form.folderpath'});
 1017:     }
 1018:     my $folderpath;
 1019:     my $cpinfo='';
 1020:     my $plain='';
 1021:     my $randompick=-1;
 1022:     my $isencrypted=0;
 1023:     my $ishidden=0;
 1024:     my $is_random_order=0;
 1025:     if (!$allowed) {
 1026:         my $description = $env{'course.'.$env{'request.course.id'}.'.description'};
 1027:         &Apache::lonhtmlcommon::add_breadcrumb(
 1028:                                                {'href' => '/adm/menu',
 1029:                                                 'title'=> 'Go to main menu',
 1030:                                                 'text' => $description,
 1031:                                                });
 1032:         $plain .= $description.' &gt;';
 1033:     }
 1034:     while (@folders) {
 1035: 	my $folder=shift(@folders);
 1036:     	my $foldername=shift(@folders);
 1037: 	if ($folderpath) {$folderpath.='&';}
 1038: 	$folderpath.=$folder.'&'.$foldername;
 1039: 	my $url='/adm/coursedocs?folderpath='.
 1040: 	    &escape($folderpath);
 1041: 	    my $name=&unescape($foldername);
 1042: # randompick number, hidden, encrypted, random order, is appended with ":"s to the foldername
 1043:  	    $name=~s/\:(\d*)\:(\w*)\:(\w*):(\d*)$//;
 1044: 	    if ($1 ne '') {
 1045:                $randompick=$1;
 1046:             } else {
 1047:                $randompick=-1;
 1048:             }
 1049:             if ($2) { $ishidden=1; }
 1050:             if ($3) { $isencrypted=1; }
 1051: 	    if ($4 ne '') { $is_random_order = 1; }
 1052:             if ($folder eq 'supplemental') {
 1053:                 $name = &mt('Supplemental '.$crstype.' Documents');
 1054:             }
 1055: 	    &Apache::lonhtmlcommon::add_breadcrumb(
 1056: 		      {'href'=>$url.$cpinfo,
 1057: 		       'title'=>$name,
 1058: 		       'text'=>$name,
 1059: 		       'no_mt'=>1,
 1060: 		       });
 1061: 	$plain.=$name.' &gt; ';
 1062:     }
 1063:     $plain=~s/\&gt\;\s*$//;
 1064:     return (&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'nohelp',
 1065: 					       undef, undef, 1 ),$randompick,$ishidden,$isencrypted,$plain,$is_random_order);
 1066: }
 1067: 
 1068: sub log_docs {
 1069:     return &Apache::lonnet::instructor_log('docslog',@_);
 1070: }
 1071: 
 1072: {
 1073:     my @oldresources=();
 1074:     my @oldorder=();
 1075:     my $parmidx;
 1076:     my %parmaction=();
 1077:     my %parmvalue=();
 1078:     my $changedflag;
 1079: 
 1080:     sub snapshotbefore {
 1081:         @oldresources=@LONCAPA::map::resources;
 1082:         @oldorder=@LONCAPA::map::order;
 1083:         $parmidx=undef;
 1084:         %parmaction=();
 1085:         %parmvalue=();
 1086:         $changedflag=0;
 1087:     }
 1088: 
 1089:     sub remember_parms {
 1090:         my ($idx,$parameter,$action,$value)=@_;
 1091:         $parmidx=$idx;
 1092:         $parmaction{$parameter}=$action;
 1093:         $parmvalue{$parameter}=$value;
 1094:         $changedflag=1;
 1095:     }
 1096: 
 1097:     sub log_differences {
 1098:         my ($plain)=@_;
 1099:         my %storehash=('folder' => $plain,
 1100:                        'currentfolder' => $env{'form.folder'});
 1101:         if ($parmidx) {
 1102:            $storehash{'parameter_res'}=$oldresources[$parmidx];
 1103:            foreach my $parm (keys(%parmaction)) {
 1104:               $storehash{'parameter_action_'.$parm}=$parmaction{$parm};
 1105:               $storehash{'parameter_value_'.$parm}=$parmvalue{$parm};
 1106:            }
 1107:         }
 1108:         my $maxidx=$#oldresources;
 1109:         if ($#LONCAPA::map::resources>$#oldresources) {
 1110:            $maxidx=$#LONCAPA::map::resources;
 1111:         }
 1112:         for (my $idx=0; $idx<=$maxidx; $idx++) {
 1113:            if ($LONCAPA::map::resources[$idx] ne $oldresources[$idx]) {
 1114:               $storehash{'before_resources_'.$idx}=$oldresources[$idx];
 1115:               $storehash{'after_resources_'.$idx}=$LONCAPA::map::resources[$idx];
 1116:               $changedflag=1;
 1117:            }
 1118:            if ($LONCAPA::map::order[$idx] ne $oldorder[$idx]) {
 1119:               $storehash{'before_order_res_'.$idx}=$oldresources[$oldorder[$idx]];
 1120:               $storehash{'after_order_res_'.$idx}=$LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1121:               $changedflag=1;
 1122:            }
 1123:         }
 1124: 	$storehash{'maxidx'}=$maxidx;
 1125:         if ($changedflag) { &log_docs(\%storehash); }
 1126:     }
 1127: }
 1128: 
 1129: 
 1130: 
 1131: 
 1132: 
 1133: sub docs_change_log {
 1134:     my ($r)=@_;
 1135:     my $folder=$env{'form.folder'};
 1136:     $r->print(&Apache::loncommon::start_page('Course Document Change Log'));
 1137:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Document Change Log'));
 1138:     my %docslog=&Apache::lonnet::dump('nohist_docslog',
 1139:                                       $env{'course.'.$env{'request.course.id'}.'.domain'},
 1140:                                       $env{'course.'.$env{'request.course.id'}.'.num'});
 1141: 
 1142:     if ((keys(%docslog))[0]=~/^error\:/) { undef(%docslog); }
 1143: 
 1144:     $r->print('<form action="/adm/coursedocs" method="post" name="docslog">'.
 1145:               '<input type="hidden" name="docslog" value="1" />');
 1146: 
 1147:     my %saveable_parameters = ('show' => 'scalar',);
 1148:     &Apache::loncommon::store_course_settings('docs_log',
 1149:                                               \%saveable_parameters);
 1150:     &Apache::loncommon::restore_course_settings('docs_log',
 1151:                                                 \%saveable_parameters);
 1152:     if (!$env{'form.show'}) { $env{'form.show'}=10; }
 1153:     my %lt=('hiddenresource' => 'Resources hidden',
 1154: 	    'encrypturl'     => 'URL hidden',
 1155: 	    'randompick'     => 'Randomly pick',
 1156: 	    'randomorder'    => 'Randomly ordered',
 1157: 	    'set'            => 'set to',
 1158: 	    'del'            => 'deleted');
 1159:     $r->print(&Apache::loncommon::display_filter().
 1160:               '<input type="hidden" name="folder" value="'.$folder.'" />'.
 1161:               '<input type="submit" value="'.&mt('Display').'" /></form>');
 1162:     $r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
 1163:               '<th>'.&mt('Time').'</th><th>'.&mt('User').'</th><th>'.&mt('Folder').'</th><th>'.&mt('Before').'</th><th>'.
 1164:               &mt('After').'</th>'.
 1165:               &Apache::loncommon::end_data_table_header_row());
 1166:     my $shown=0;
 1167:     foreach my $id (sort { $docslog{$b}{'exe_time'}<=>$docslog{$a}{'exe_time'} } (keys(%docslog))) {
 1168: 	if ($env{'form.displayfilter'} eq 'currentfolder') {
 1169: 	    if ($docslog{$id}{'logentry'}{'currentfolder'} ne $folder) { next; }
 1170: 	}
 1171:         my @changes=keys(%{$docslog{$id}{'logentry'}});
 1172:         if ($env{'form.displayfilter'} eq 'containing') {
 1173: 	    my $wholeentry=$docslog{$id}{'exe_uname'}.':'.$docslog{$id}{'exe_udom'}.':'.
 1174: 		&Apache::loncommon::plainname($docslog{$id}{'exe_uname'},$docslog{$id}{'exe_udom'});
 1175: 	    foreach my $key (@changes) {
 1176: 		$wholeentry.=':'.$docslog{$id}{'logentry'}{$key};
 1177: 	    }
 1178: 	    if ($wholeentry!~/\Q$env{'form.containingphrase'}\E/i) { next; }
 1179: 	}
 1180:         my $count = 0;
 1181:         my $time =
 1182:             &Apache::lonlocal::locallocaltime($docslog{$id}{'exe_time'});
 1183:         my $plainname =
 1184:             &Apache::loncommon::plainname($docslog{$id}{'exe_uname'},
 1185:                                           $docslog{$id}{'exe_udom'});
 1186:         my $about_me_link =
 1187:             &Apache::loncommon::aboutmewrapper($plainname,
 1188:                                                $docslog{$id}{'exe_uname'},
 1189:                                                $docslog{$id}{'exe_udom'});
 1190:         my $send_msg_link='';
 1191:         if ((($docslog{$id}{'exe_uname'} ne $env{'user.name'})
 1192:              || ($docslog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
 1193:             $send_msg_link ='<br />'.
 1194:                 &Apache::loncommon::messagewrapper(&mt('Send message'),
 1195:                                                    $docslog{$id}{'exe_uname'},
 1196:                                                    $docslog{$id}{'exe_udom'});
 1197:         }
 1198:         $r->print(&Apache::loncommon::start_data_table_row());
 1199:         $r->print('<td>'.$time.'</td>
 1200:                        <td>'.$about_me_link.
 1201:                   '<br /><tt>'.$docslog{$id}{'exe_uname'}.
 1202:                                   ':'.$docslog{$id}{'exe_udom'}.'</tt>'.
 1203:                   $send_msg_link.'</td><td>'.
 1204:                   $docslog{$id}{'logentry'}{'folder'}.'</td><td>');
 1205: # Before
 1206: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1207: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1208: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1209: 	    if ($oldname ne $newname) {
 1210: 		$r->print(&LONCAPA::map::qtescape($oldname));
 1211: 	    }
 1212: 	}
 1213: 	$r->print('<ul>');
 1214: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1215:             if ($docslog{$id}{'logentry'}{'before_order_res_'.$idx}) {
 1216: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'before_order_res_'.$idx}))[0]).'</li>');
 1217: 	    }
 1218: 	}
 1219: 	$r->print('</ul>');
 1220: # After
 1221:         $r->print('</td><td>');
 1222: 
 1223: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1224: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1225: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1226: 	    if ($oldname ne '' && $oldname ne $newname) {
 1227: 		$r->print(&LONCAPA::map::qtescape($newname));
 1228: 	    }
 1229: 	}
 1230: 	$r->print('<ul>');
 1231: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1232:             if ($docslog{$id}{'logentry'}{'after_order_res_'.$idx}) {
 1233: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'after_order_res_'.$idx}))[0]).'</li>');
 1234: 	    }
 1235: 	}
 1236: 	$r->print('</ul>');
 1237: 	if ($docslog{$id}{'logentry'}{'parameter_res'}) {
 1238: 	    $r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':<ul>');
 1239: 	    foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder') {
 1240: 		if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
 1241: 		    $r->print('<li>'.
 1242: 			      &mt($lt{$parameter}.' '.$lt{$docslog{$id}{'logentry'}{'parameter_action_'.$parameter}}.' [_1]',
 1243: 				  $docslog{$id}{'logentry'}{'parameter_value_'.$parameter})
 1244: 			      .'</li>');
 1245: 		}
 1246: 	    }
 1247: 	    $r->print('</ul>');
 1248: 	}
 1249: # End
 1250:         $r->print('</td>'.&Apache::loncommon::end_data_table_row());
 1251:         $shown++;
 1252:         if (!($env{'form.show'} eq &mt('all')
 1253:               || $shown<=$env{'form.show'})) { last; }
 1254:     }
 1255:     $r->print(&Apache::loncommon::end_data_table());
 1256: }
 1257: 
 1258: sub update_paste_buffer {
 1259:     my ($coursenum,$coursedom) = @_;
 1260: 
 1261:     return if (!defined($env{'form.markcopy'}));
 1262:     return if (!defined($env{'form.copyfolder'}));
 1263:     return if ($env{'form.markcopy'} < 0);
 1264: 
 1265:     my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
 1266: 				    $env{'form.copyfolder'});
 1267: 
 1268:     return if ($fatal);
 1269: 
 1270: # Mark for copying
 1271:     my ($title,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$env{'form.markcopy'}]]);
 1272:     if (&is_supplemental_title($title)) {
 1273:         &Apache::lonnet::appenv({'docs.markedcopy_supplemental' => $title});
 1274: 	($title) = &parse_supplemental_title($title);
 1275:     } elsif ($env{'docs.markedcopy_supplemental'}) {
 1276:         &Apache::lonnet::delenv('docs.markedcopy_supplemental');
 1277:     }
 1278:     $url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
 1279: 
 1280:     &Apache::lonnet::appenv({'docs.markedcopy_title' => $title,
 1281: 			    'docs.markedcopy_url'   => $url});
 1282:     delete($env{'form.markcopy'});
 1283: }
 1284: 
 1285: sub print_paste_buffer {
 1286:     my ($r,$container) = @_;
 1287:     return if (!defined($env{'docs.markedcopy_url'}));
 1288: 
 1289:     $r->print('<fieldset>'
 1290:              .'<legend>'.&mt('Clipboard').'</legend>'
 1291:              .'<form name="pasteform" action="/adm/coursedocs" method="post">'
 1292:              .'<input type="submit" name="pastemarked" value="'.&mt('Paste').'" /> '
 1293:     );
 1294: 
 1295:     my $type;
 1296:     if ($env{'docs.markedcopy_url'} =~ m{^(?:/adm/wrapper/ext|(?:http|https)(?:&colon;|:))//} ) {
 1297: 	$type = &mt('External Resource');
 1298: 	$r->print($type.': '.
 1299: 		  &LONCAPA::map::qtescape($env{'docs.markedcopy_title'}).' ('.
 1300: 		  &LONCAPA::map::qtescape($env{'docs.markedcopy_url'}).')');
 1301:     }  else {
 1302: 	my $extension = (split(/\./,$env{'docs.markedcopy_url'}))[-1];
 1303: 	my $icon = &Apache::loncommon::icon($extension);
 1304: 	if ($extension eq 'sequence' &&
 1305: 	    $env{'docs.markedcopy_url'} =~ m{/default_\d+\.sequence$ }x) {
 1306: 	    $icon = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
 1307: 	    $icon .= '/navmap.folder.closed.gif';
 1308: 	}
 1309: 	$icon = '<img src="'.$icon.'" alt="" class="LC_icon" />';
 1310: 	$r->print($icon.$type.': '.  &parse_supplemental_title(&LONCAPA::map::qtescape($env{'docs.markedcopy_title'})));
 1311:     }
 1312:     if ($container eq 'page') {
 1313: 	$r->print('
 1314: 	<input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />
 1315: 	<input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />
 1316: ');
 1317:     } else {
 1318: 	$r->print('
 1319:         <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
 1320: ');
 1321:     }
 1322:     $r->print('</form></fieldset>');
 1323: }
 1324: 
 1325: sub do_paste_from_buffer {
 1326:     my ($coursenum,$coursedom,$folder) = @_;
 1327: 
 1328:     if (!$env{'form.pastemarked'}) {
 1329:         return;
 1330:     }
 1331: 
 1332: # paste resource to end of list
 1333:     my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url'});
 1334:     my $title=&LONCAPA::map::qtescape($env{'docs.markedcopy_title'});
 1335: # Maps need to be copied first
 1336:     if (($url=~/\.(page|sequence)$/) && ($url=~/^\/uploaded\//)) {
 1337: 	$title=&mt('Copy of').' '.$title;
 1338: 	my $newid=$$.int(rand(100)).time;
 1339: 	my ($oldid,$ext) = ($url=~/^(.+)\.(\w+)$/);
 1340:         if ($oldid =~ m{^(/uploaded/\Q$coursedom\E/\Q$coursenum\E/)(\D+)(\d+)$}) {
 1341:             my $path = $1;
 1342:             my $prefix = $2;
 1343:             my $ancestor = $3;
 1344:             if (length($ancestor) > 10) {
 1345:                 $ancestor = substr($ancestor,-10,10);
 1346:             }
 1347:             $oldid = $path.$prefix.$ancestor;
 1348:         }
 1349:         my $counter = 0;
 1350:         my $newurl=$oldid.$newid.'.'.$ext;
 1351:         my $is_unique = &uniqueness_check($newurl);
 1352:         while (!$is_unique && $counter < 100) {
 1353:             $counter ++;
 1354:             $newid ++;
 1355:             $newurl = $oldid.$newid;
 1356:             $is_unique = &uniqueness_check($newurl);
 1357:         }
 1358:         if (!$is_unique) {
 1359:             if ($url=~/\.page$/) {
 1360:                 return &mt('Paste failed: an error occurred creating a unique URL for the composite page');
 1361:             } else {
 1362:                 return &mt('Paste failed: an error occurred creating a unique URL for the folder');
 1363:             }
 1364:         }
 1365: 	my $storefn=$newurl;
 1366: 	$storefn=~s{^/\w+/$match_domain/$match_username/}{};
 1367: 	my $paste_map_result =
 1368:             &Apache::lonclonecourse::writefile($env{'request.course.id'},$storefn,
 1369: 					       &Apache::lonnet::getfile($url));
 1370:         if ($paste_map_result eq '/adm/notfound.html') {
 1371:             if ($url=~/\.page$/) {
 1372:                 return &mt('Paste failed: an error occurred saving the composite page');
 1373:             } else {
 1374:                 return &mt('Paste failed: an error occurred saving the folder');
 1375:             }
 1376:         }
 1377: 	$url = $newurl;
 1378:     }
 1379: # published maps can only exists once, so remove it from paste buffer when done
 1380:     if (($url=~/\.(page|sequence)$/) && ($url=~m {^/res/})) {
 1381: 	&Apache::lonnet::delenv('docs.markedcopy');
 1382:     }
 1383:     if ($url=~ m{/smppg$}) {
 1384: 	my $db_name = &Apache::lonsimplepage::get_db_name($url);
 1385: 	if ($db_name =~ /^smppage_/) {
 1386: 	    #simple pages, need to copy the db contents to a new one.
 1387: 	    my %contents=&Apache::lonnet::dump($db_name,$coursedom,$coursenum);
 1388: 	    my $now = time();
 1389: 	    $db_name =~ s{_\d*$ }{_$now}x;
 1390: 	    my $result=&Apache::lonnet::put($db_name,\%contents,
 1391: 					    $coursedom,$coursenum);
 1392: 	    $url =~ s{/(\d*)/smppg$ }{/$now/smppg}x;
 1393: 	    $title=&mt('Copy of').' '.$title;
 1394: 	}
 1395:     }
 1396:     $title = &LONCAPA::map::qtunescape($title);
 1397:     my $ext='false';
 1398:     if ($url=~m{^http(|s)://}) { $ext='true'; }
 1399:     $url       = &LONCAPA::map::qtunescape($url);
 1400: # Now insert the URL at the bottom
 1401:     my $newidx = &LONCAPA::map::getresidx($url);
 1402:     if ($env{'docs.markedcopy_supplemental'}) {
 1403:         if ($folder =~ /^supplemental/) {
 1404:             $title = $env{'docs.markedcopy_supplemental'};
 1405:         } else {
 1406:             (undef,undef,$title) =
 1407:                 &parse_supplemental_title($env{'docs.markedcopy_supplemental'});
 1408:         }
 1409:     } else {
 1410:         if ($folder=~/^supplemental/) {
 1411:            $title=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1412:                   $env{'user.domain'}.'___&&&___'.$title;
 1413:         }
 1414:     }
 1415: 
 1416:     $LONCAPA::map::resources[$newidx]= 	$title.':'.$url.':'.$ext.':normal:res';
 1417:     push(@LONCAPA::map::order, $newidx);
 1418:     return 'ok';
 1419: # Store the result
 1420: }
 1421: 
 1422: sub uniqueness_check {
 1423:     my ($newurl) = @_;
 1424:     my $unique = 1;
 1425:     foreach my $res (@LONCAPA::map::order) {
 1426:         my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
 1427:         $url=&LONCAPA::map::qtescape($url);
 1428:         if ($newurl eq $url) {
 1429:             $unique = 0;
 1430:             last;
 1431:         }
 1432:     }
 1433:     return $unique;
 1434: }
 1435: 
 1436: my %parameter_type = ( 'randompick'     => 'int_pos',
 1437: 		       'hiddenresource' => 'string_yesno',
 1438: 		       'encrypturl'     => 'string_yesno',
 1439: 		       'randomorder'    => 'string_yesno',);
 1440: my $valid_parameters_re = join('|',keys(%parameter_type));
 1441: # set parameters
 1442: sub update_parameter {
 1443: 
 1444:     return 0 if ($env{'form.changeparms'} !~ /^($valid_parameters_re)$/);
 1445: 
 1446:     my $which = $env{'form.changeparms'};
 1447:     my $idx = $env{'form.setparms'};
 1448:     if ($env{'form.'.$which.'_'.$idx}) {
 1449: 	my $value = ($which eq 'randompick') ? $env{'form.'.$which.'_'.$idx}
 1450: 	                                     : 'yes';
 1451: 	&LONCAPA::map::storeparameter($idx, 'parameter_'.$which, $value,
 1452: 				      $parameter_type{$which});
 1453: 	&remember_parms($idx,$which,'set',$value);
 1454:     } else {
 1455: 	&LONCAPA::map::delparameter($idx,'parameter_'.$which);
 1456: 
 1457: 	&remember_parms($idx,$which,'del');
 1458:     }
 1459:     return 1;
 1460: }
 1461: 
 1462: 
 1463: sub handle_edit_cmd {
 1464:     my ($coursenum,$coursedom) =@_;
 1465: 
 1466:     my ($cmd,$idx)=split('_',$env{'form.cmd'});
 1467: 
 1468:     my $ratstr = $LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1469:     my ($title, $url, @rrest) = split(':', $ratstr);
 1470: 
 1471:     if ($cmd eq 'del') {
 1472: 	if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
 1473: 	    ($url!~/\.(page|sequence|problem|exam|quiz|assess|survey|form|library|task)$/)) {
 1474: 	    &Apache::lonnet::removeuploadedurl($url);
 1475: 	} else {
 1476: 	    &LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1477: 	}
 1478: 	splice(@LONCAPA::map::order, $idx, 1);
 1479: 
 1480:     } elsif ($cmd eq 'cut') {
 1481: 	&LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1482: 	splice(@LONCAPA::map::order, $idx, 1);
 1483: 
 1484:     } elsif ($cmd eq 'up'
 1485: 	     && ($idx) && (defined($LONCAPA::map::order[$idx-1]))) {
 1486: 	@LONCAPA::map::order[$idx-1,$idx] = @LONCAPA::map::order[$idx,$idx-1];
 1487: 
 1488:     } elsif ($cmd eq 'down'
 1489: 	     && defined($LONCAPA::map::order[$idx+1])) {
 1490: 	@LONCAPA::map::order[$idx+1,$idx] = @LONCAPA::map::order[$idx,$idx+1];
 1491: 
 1492:     } elsif ($cmd eq 'rename') {
 1493: 
 1494: 	my $comment = &LONCAPA::map::qtunescape($env{'form.title'});
 1495: 	if ($comment=~/\S/) {
 1496: 	    $LONCAPA::map::resources[$LONCAPA::map::order[$idx]]=
 1497: 		$comment.':'.join(':', $url, @rrest);
 1498: 	}
 1499: # Devalidate title cache
 1500: 	my $renamed_url=&LONCAPA::map::qtescape($url);
 1501: 	&Apache::lonnet::devalidate_title_cache($renamed_url);
 1502:     } else {
 1503: 	return 0;
 1504:     }
 1505:     return 1;
 1506: }
 1507: 
 1508: sub editor {
 1509:     my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output,$crstype)=@_;
 1510:     my $container= ($env{'form.pagepath'}) ? 'page'
 1511: 		                           : 'sequence';
 1512: 
 1513:     my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
 1514: 				    $folder.'.'.$container);
 1515:     return $errtext if ($fatal);
 1516: 
 1517:     if ($#LONCAPA::map::order<1) {
 1518: 	my $idx=&LONCAPA::map::getresidx();
 1519: 	if ($idx<=0) { $idx=1; }
 1520:        	$LONCAPA::map::order[0]=$idx;
 1521:         $LONCAPA::map::resources[$idx]='';
 1522:     }
 1523: 
 1524:     my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,$is_random_order);
 1525:     if ($allowed) {
 1526:         ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,$is_random_order) =
 1527: 	    &breadcrumbs($allowed,$crstype);
 1528:         $r->print($breadcrumbtrail);
 1529:     } else {
 1530:         $randompick = -1;
 1531:     }
 1532: 
 1533: # ------------------------------------------------------------ Process commands
 1534: 
 1535: # ---------------- if they are for this folder and user allowed to make changes
 1536:     if (($allowed) && ($env{'form.folder'} eq $folder)) {
 1537: # set parameters and change order
 1538: 	&snapshotbefore();
 1539: 
 1540: 	if (&update_parameter()) {
 1541: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1542: 	    return $errtext if ($fatal);
 1543: 	}
 1544: 
 1545: 	if ($env{'form.newpos'} && $env{'form.currentpos'}) {
 1546: # change order
 1547: 	    my $res = splice(@LONCAPA::map::order,$env{'form.currentpos'}-1,1);
 1548: 	    splice(@LONCAPA::map::order,$env{'form.newpos'}-1,0,$res);
 1549: 
 1550: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1551: 	    return $errtext if ($fatal);
 1552: 	}
 1553: 
 1554: 	if ($env{'form.pastemarked'}) {
 1555:             my $paste_res =
 1556:                 &do_paste_from_buffer($coursenum,$coursedom,$folder);
 1557:             if ($paste_res eq 'ok') {
 1558:                 ($errtext,$fatal) = &storemap($coursenum,$coursedom,$folder.'.'.$container);
 1559:                 return $errtext if ($fatal);
 1560:             } elsif ($paste_res ne '') {
 1561:                 $r->print('<p><span class="LC_error">'.$paste_res.'</span></p>');
 1562:             }
 1563: 	}
 1564: 
 1565: 	$r->print($upload_output);
 1566: 
 1567: 	if (&handle_edit_cmd()) {
 1568: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1569: 	    return $errtext if ($fatal);
 1570: 	}
 1571: # Group import/search
 1572: 	if ($env{'form.importdetail'}) {
 1573: 	    my @imports;
 1574: 	    foreach my $item (split(/\&/,$env{'form.importdetail'})) {
 1575: 		if (defined($item)) {
 1576: 		    my ($name,$url,$residx)=
 1577: 			map {&unescape($_)} split(/\=/,$item);
 1578: 		    push(@imports, [$name, $url, $residx]);
 1579: 		}
 1580: 	    }
 1581: 	    ($errtext,$fatal)=&group_import($coursenum, $coursedom, $folder,
 1582: 					    $container,'londocs',@imports);
 1583: 	    return $errtext if ($fatal);
 1584: 	}
 1585: # Loading a complete map
 1586: 	if ($env{'form.loadmap'}) {
 1587: 	    if ($env{'form.importmap'}=~/\w/) {
 1588: 		foreach my $res (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$env{'form.importmap'}))) {
 1589: 		    my ($title,$url,$ext,$type)=split(/\:/,$res);
 1590: 		    my $idx=&LONCAPA::map::getresidx($url);
 1591: 		    $LONCAPA::map::resources[$idx]=$res;
 1592: 		    $LONCAPA::map::order[$#LONCAPA::map::order+1]=$idx;
 1593: 		}
 1594: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1595: 					    $folder.'.'.$container);
 1596: 		return $errtext if ($fatal);
 1597: 	    } else {
 1598: 		$r->print('<p><span class="LC_error">'.&mt('No map selected.').'</span></p>');
 1599: 
 1600: 	    }
 1601: 	}
 1602: 	&log_differences($plain);
 1603:     }
 1604: # ---------------------------------------------------------------- End commands
 1605: # ---------------------------------------------------------------- Print screen
 1606:     my $idx=0;
 1607:     my $shown=0;
 1608:     if (($ishidden) || ($isencrypted) || ($randompick>=0) || ($is_random_order)) {
 1609: 	$r->print('<div class="LC_Box">'.
 1610:           '<ol class="LC_docs_parameters"><li class="LC_docs_parameters_title">'.&mt('Parameters:').'</li>'.
 1611: 		  ($randompick>=0?'<li>'.&mt('randomly pick [quant,_1,resource]',$randompick).'</li>':'').
 1612: 		  ($ishidden?'<li>'.&mt('contents hidden').'</li>':'').
 1613: 		  ($isencrypted?'<li>'.&mt('URLs hidden').'</li>':'').
 1614: 		  ($is_random_order?'<li>'.&mt('random order').'</li>':'').
 1615: 		  '</ol>');
 1616:         if ($randompick>=0) {
 1617:             $r->print('<p class="LC_warning">'
 1618:                  .&mt('Caution: this folder is set to randomly pick a subset'
 1619:                      .' of resources. Adding or removing resources from this'
 1620:                      .' folder will change the set of resources that the'
 1621:                      .' students see, resulting in spurious or missing credit'
 1622:                      .' for completed problems, not limited to ones you'
 1623:                      .' modify. Do not modify the contents of this folder if'
 1624:                      .' it is in active student use.')
 1625:                  .'</p>'
 1626:             );
 1627:         }
 1628:         if ($is_random_order) {
 1629:             $r->print('<p class="LC_warning">'
 1630:                  .&mt('Caution: this folder is set to randomly order its'
 1631:                      .' contents. Adding or removing resources from this folder'
 1632:                      .' will change the order of resources shown.')
 1633:                  .'</p>'
 1634:             );
 1635:         }
 1636:         $r->print('</div>');
 1637:     }
 1638: 
 1639:     my $output;  
 1640: 
 1641:     &Apache::loncommon::start_data_table_count(); #setup a row counter 
 1642:     foreach my $res (@LONCAPA::map::order) {
 1643:         my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
 1644:         $name=&LONCAPA::map::qtescape($name);
 1645:         $url=&LONCAPA::map::qtescape($url);
 1646:         unless ($name) {  $name=(split(/\//,$url))[-1]; }
 1647:         unless ($name) { $idx++; next; }
 1648:         $output .= &entryline($idx,$name,$url,$folder,$allowed,$res,
 1649:                               $coursenum,$crstype);
 1650:         $idx++;
 1651:         $shown++;
 1652:     }
 1653:     &Apache::loncommon::end_data_table_count();
 1654:     
 1655:     if ($shown) {
 1656:         $r->print(&Apache::loncommon::start_data_table());
 1657:         if ($allowed) {
 1658:             $r->print(&Apache::loncommon::start_data_table_header_row()
 1659:                      .'<th colspan="2">'.&mt('Move').'</th>'
 1660:                      .'<th>'.&mt('Actions').'</th>'
 1661:                      .'<th colspan="2">'.&mt('Document').'</th>');
 1662:             if ($folder !~ /^supplemental/) {
 1663:                 $->print('<th colspan="4">'.&mt('Settings').'</th>');
 1664:             }
 1665:             $r->print(&Apache::loncommon::end_data_table_header_row());
 1666:         }
 1667:         $r->print($output
 1668:                  .&Apache::loncommon::end_data_table()
 1669:         );
 1670:     } else {
 1671:         $r->print('<p class="LC_info">'
 1672:                  .&mt('Currently no documents.')
 1673:                  .'</p>'
 1674:         );
 1675:     }
 1676:     if ($allowed) {
 1677:         &print_paste_buffer($r,$container);
 1678:     }
 1679:     return;
 1680: }
 1681: 
 1682: sub process_file_upload {
 1683:     my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd) = @_;
 1684: # upload a file, if present
 1685:     my ($parseaction,$showupload,$nextphase,$mimetype);
 1686:     if ($env{'form.parserflag'}) {
 1687:         $parseaction = 'parse';
 1688:     }
 1689:     my $folder=$env{'form.folder'};
 1690:     if ($folder eq '') {
 1691:         $folder='default';
 1692:     }
 1693:     if ( ($folder=~/^$uploadcmd/) || ($uploadcmd eq 'default') ) {
 1694:         my $errtext='';
 1695:         my $fatal=0;
 1696:         my $container='sequence';
 1697:         if ($env{'form.pagepath'}) {
 1698:             $container='page';
 1699:         }
 1700:         ($errtext,$fatal)=
 1701:               &mapread($coursenum,$coursedom,$folder.'.'.$container);
 1702:         if ($#LONCAPA::map::order<1) {
 1703:             $LONCAPA::map::order[0]=1;
 1704:             $LONCAPA::map::resources[1]='';
 1705:         }
 1706:         if ($fatal) {
 1707:             $$upload_output = '<p><span class="LC_error">'.&mt('The uploaded file has not been stored as an error occurred reading the contents of the current folder.').'</span></p>';
 1708:             return;
 1709:         }
 1710:         my $destination = 'docs/';
 1711:         if ($folder =~ /^supplemental/) {
 1712:             $destination = 'supplemental/';
 1713:         }
 1714:         if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1715:             $destination .= 'default/';
 1716:         } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1717:             $destination .=  $2.'/';
 1718:         }
 1719: # this is for a course, not a user, so set context to coursedoc.
 1720:         my $newidx=&LONCAPA::map::getresidx();
 1721:         $destination .= $newidx;
 1722:         my $url=&Apache::lonnet::userfileupload('uploaddoc','coursedoc',$destination,
 1723: 						$parseaction,$allfiles,
 1724: 						$codebase,undef,undef,undef,undef,
 1725:                                                 undef,undef,\$mimetype);
 1726:         if ($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E.*/([^/]+)$}) {
 1727:             my $stored = $1;
 1728:             $showupload = '<p>'.&mt('Uploaded [_1]','<span class="LC_filename">'.
 1729:                           $stored.'</span>').'</p>';
 1730:         } else {
 1731:             my ($filename) = ($env{'form.uploaddoc.filename'} =~ m{([^/]+)$});
 1732:             
 1733:             $$upload_output = '<p><span class="LC_error">'.&mt('Unable to save file [_1].','<span class="LC_filename">'.$filename.'</span>').'</span></p>';
 1734:             return;
 1735:         }
 1736:         my $ext='false';
 1737:         if ($url=~m{^http://}) { $ext='true'; }
 1738: 	$url     = &LONCAPA::map::qtunescape($url);
 1739:         my $comment=$env{'form.comment'};
 1740: 	$comment = &LONCAPA::map::qtunescape($comment);
 1741:         if ($folder=~/^supplemental/) {
 1742:               $comment=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1743:                   $env{'user.domain'}.'___&&&___'.$comment;
 1744:         }
 1745: 
 1746:         $LONCAPA::map::resources[$newidx]=
 1747: 	    $comment.':'.$url.':'.$ext.':normal:res';
 1748:         $LONCAPA::map::order[$#LONCAPA::map::order+1]= $newidx;
 1749:         ($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1750: 				    $folder.'.'.$container);
 1751:         if ($fatal) {
 1752:             $$upload_output = '<p><span class="LC_error">'.$errtext.'</span></p>';
 1753:             return;
 1754:         } else {
 1755:             if ($parseaction eq 'parse' && $mimetype eq 'text/html') {
 1756:                 $$upload_output = $showupload;
 1757:                 my $total_embedded = scalar(keys(%{$allfiles}));
 1758:                 if ($total_embedded > 0) {
 1759:                     my $uploadphase = 'upload_embedded';
 1760:                     my $primaryurl = &HTML::Entities::encode($url,'<>&"');
 1761: 		    my $state = &embedded_form_elems($uploadphase,$primaryurl,$newidx); 
 1762:                     my ($embedded,$num) = 
 1763:                         &Apache::loncommon::ask_for_embedded_content(
 1764:                             '/adm/coursedocs',$state,$allfiles,$codebase,{'docs_url' => $url});
 1765:                     if ($embedded) {
 1766:                         if ($num) {
 1767:                             $$upload_output .=
 1768: 			         '<p>'.&mt('This file contains embedded multimedia objects, which need to be uploaded.').'</p>'.$embedded;
 1769:                             $nextphase = $uploadphase;
 1770:                         } else {
 1771:                             $$upload_output .= $embedded;
 1772:                         }
 1773:                     } else {
 1774:                         $$upload_output .= &mt('Embedded item(s) already present, so no additional upload(s) required').'<br />';
 1775:                     }
 1776:                 } else {
 1777:                     $$upload_output .= &mt('No embedded items identified').'<br />';
 1778:                 }
 1779:             }
 1780:         }
 1781:     }
 1782:     return $nextphase;
 1783: }
 1784: 
 1785: sub is_supplemental_title {
 1786:     my ($title) = @_;
 1787:     return scalar($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/);
 1788: }
 1789: 
 1790: sub parse_supplemental_title {
 1791:     my ($title) = @_;
 1792: 
 1793:     my ($foldertitle,$renametitle);
 1794:     if ($title =~ /&amp;&amp;&amp;/) {
 1795: 	$title = &HTML::Entites::decode($title);
 1796:     }
 1797:  if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
 1798: 	$renametitle=$4;
 1799: 	my ($time,$uname,$udom) = ($1,$2,$3);
 1800: 	$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
 1801: 	my $name =  &Apache::loncommon::plainname($uname,$udom);
 1802: 	$name = &HTML::Entities::encode($name,'"<>&\'');
 1803:         $renametitle = &HTML::Entities::encode($renametitle,'"<>&\'');
 1804: 	$title='<i>'.&Apache::lonlocal::locallocaltime($time).'</i> '.
 1805: 	    $name.': <br />'.$foldertitle;
 1806:     }
 1807:     if (wantarray) {
 1808: 	return ($title,$foldertitle,$renametitle);
 1809:     }
 1810:     return $title;
 1811: }
 1812: 
 1813: # --------------------------------------------------------------- An entry line
 1814: 
 1815: sub entryline {
 1816:     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum,$crstype)=@_;
 1817:     my ($foldertitle,$pagetitle,$renametitle);
 1818:     if (&is_supplemental_title($title)) {
 1819: 	($title,$foldertitle,$renametitle) = &parse_supplemental_title($title);
 1820: 	$pagetitle = $foldertitle;
 1821:     } else {
 1822: 	$title=&HTML::Entities::encode($title,'"<>&\'');
 1823: 	$renametitle=$title;
 1824: 	$foldertitle=$title;
 1825: 	$pagetitle=$title;
 1826:     }
 1827: 
 1828:     my $orderidx=$LONCAPA::map::order[$index];
 1829: 
 1830: 
 1831:     $renametitle=~s/\\/\\\\/g;
 1832:     $renametitle=~s/\&quot\;/\\\"/g;
 1833:     $renametitle=~s/ /%20/g;
 1834:     my $line=&Apache::loncommon::start_data_table_row();
 1835:     my ($form_start,$form_end);
 1836: # Edit commands
 1837:     my ($container, $type, $esc_path, $path, $symb);
 1838:     if ($env{'form.folderpath'}) {
 1839: 	$type = 'folder';
 1840:         $container = 'sequence';
 1841: 	$esc_path=&escape($env{'form.folderpath'});
 1842: 	$path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 1843: 	# $htmlfoldername=&HTML::Entities::encode($env{'form.foldername'},'<>&"');
 1844:     }
 1845:     if ($env{'form.pagepath'}) {
 1846:         $type = $container = 'page';
 1847:         $esc_path=&escape($env{'form.pagepath'});
 1848: 	$path = &HTML::Entities::encode($env{'form.pagepath'},'<>&"');
 1849:         $symb=&escape($env{'form.pagesymb'});
 1850:     }
 1851:     my $cpinfo='';
 1852:     if ($allowed) {
 1853: 	my $incindex=$index+1;
 1854: 	my $selectbox='';
 1855: 	if (($folder!~/^supplemental/) &&
 1856: 	    ($#LONCAPA::map::order>0) &&
 1857: 	    ((split(/\:/,
 1858: 	     $LONCAPA::map::resources[$LONCAPA::map::order[0]]))[1]
 1859: 	     ne '') &&
 1860: 	    ((split(/\:/,
 1861: 	     $LONCAPA::map::resources[$LONCAPA::map::order[1]]))[1]
 1862: 	     ne '')) {
 1863: 	    $selectbox=
 1864: 		'<input type="hidden" name="currentpos" value="'.$incindex.'" />'.
 1865: 		'<select name="newpos" onchange="this.form.submit()">';
 1866: 	    for (my $i=1;$i<=$#LONCAPA::map::order+1;$i++) {
 1867: 		if ($i==$incindex) {
 1868: 		    $selectbox.='<option value="" selected="selected">('.$i.')</option>';
 1869: 		} else {
 1870: 		    $selectbox.='<option value="'.$i.'">'.$i.'</option>';
 1871: 		}
 1872: 	    }
 1873: 	    $selectbox.='</select>';
 1874: 	}
 1875: 	my %lt=&Apache::lonlocal::texthash(
 1876:                 'up' => 'Move Up',
 1877: 		'dw' => 'Move Down',
 1878: 		'rm' => 'Remove',
 1879:                 'ct' => 'Cut',
 1880: 		'rn' => 'Rename',
 1881: 		'cp' => 'Copy');
 1882: 	my $nocopy=0;
 1883:         my $nocut=0;
 1884:         if ($url=~/\.(page|sequence)$/) {
 1885: 	    if ($url =~ m{/res/}) {
 1886: 		# no copy for published maps
 1887: 		$nocopy = 1;
 1888: 	    } else {
 1889: 		foreach my $item (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url),1)) {
 1890: 		    my ($title,$url,$ext,$type)=split(/\:/,$item);
 1891: 		    if (($url=~/\.(page|sequence)/) && ($type ne 'zombie')) {
 1892: 			$nocopy=1;
 1893: 			last;
 1894: 		    }
 1895: 		}
 1896: 	    }
 1897: 	}
 1898:         if ($url=~/^\/res\/lib\/templates\//) {
 1899:            $nocopy=1;
 1900:            $nocut=1;
 1901:         }
 1902:         my $copylink='&nbsp;';
 1903:         my $cutlink='&nbsp;';
 1904: 
 1905: 	my $skip_confirm = 0;
 1906: 	if ( $folder =~ /^supplemental/
 1907: 	     || ($url =~ m{( /smppg$
 1908: 			    |/syllabus$
 1909: 			    |/aboutme$
 1910: 			    |/navmaps$
 1911: 			    |/bulletinboard$
 1912: 			    |\.html$
 1913: 			    |^/adm/wrapper/ext)}x)) {
 1914: 	    $skip_confirm = 1;
 1915: 	}
 1916: 
 1917: 	if (!$nocopy) {
 1918: 	    $copylink=(<<ENDCOPY);
 1919: <a href='javascript:markcopy("$esc_path","$index","$renametitle","$container","$symb","$folder");' class="LC_docs_copy">$lt{'cp'}</a>
 1920: ENDCOPY
 1921:         }
 1922: 	if (!$nocut) {
 1923: 	    $cutlink=(<<ENDCUT);
 1924: <a href='javascript:cutres("$esc_path","$index","$renametitle","$container","$symb","$folder",$skip_confirm);' class="LC_docs_cut">$lt{'ct'}</a>
 1925: ENDCUT
 1926:         }
 1927: 	$form_start = (<<END);
 1928:    <form  action="/adm/coursedocs" method="post">
 1929:    <input type="hidden" name="${type}path" value="$path" />
 1930:    <input type="hidden" name="${type}symb" value="$symb" />
 1931:    <input type="hidden" name="setparms" value="$orderidx" />
 1932:    <input type="hidden" name="changeparms" value="0" />
 1933: END
 1934:         $form_end = '</form>';
 1935: 	$line.=(<<END);
 1936: <td>
 1937: <div class="LC_docs_entry_move">
 1938:   <a href='/adm/coursedocs?cmd=up_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'>
 1939:     <img src="${iconpath}move_up.gif" alt='$lt{'up'}' class="LC_icon" />
 1940:   </a>
 1941: </div>
 1942: <div class="LC_docs_entry_move">
 1943:   <a href='/adm/coursedocs?cmd=down_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'>
 1944:     <img src="${iconpath}move_down.gif" alt='$lt{'dw'}' class="LC_icon" />
 1945:   </a>
 1946: </div>
 1947: </td>
 1948: <td>
 1949:    $form_start
 1950:    $selectbox
 1951:    $form_end
 1952: </td>
 1953: <td class="LC_docs_entry_commands">
 1954:    <a href='javascript:removeres("$esc_path","$index","$renametitle","$container","$symb",$skip_confirm);' class="LC_docs_remove">$lt{'rm'}</a>
 1955: $cutlink
 1956:    <a href='javascript:changename("$esc_path","$index","$renametitle","$container","$symb");' class="LC_docs_rename">$lt{'rn'}</a>
 1957: $copylink
 1958: </td>
 1959: END
 1960: 
 1961:     }
 1962: # Figure out what kind of a resource this is
 1963:     my ($extension)=($url=~/\.(\w+)$/);
 1964:     my $uploaded=($url=~/^\/*uploaded\//);
 1965:     my $icon=&Apache::loncommon::icon($url);
 1966:     my $isfolder=0;
 1967:     my $ispage=0;
 1968:     my $folderarg;
 1969:     my $pagearg;
 1970:     my $pagefile;
 1971:     if ($uploaded) {
 1972: 	if ($extension eq 'sequence') {
 1973: 	    $icon=$iconpath.'/navmap.folder.closed.gif';
 1974: 	    $url=~/\Q$coursenum\E\/([\/\w]+)\.sequence$/;
 1975: 	    $url='/adm/coursedocs?';
 1976: 	    $folderarg=$1;
 1977: 	    $isfolder=1;
 1978:         } elsif ($extension eq 'page') {
 1979:             $icon=$iconpath.'/page.gif';
 1980:             $url=~/\Q$coursenum\E\/([\/\w]+)\.page$/;
 1981:             $pagearg=$1;
 1982:             $url='/adm/coursedocs?';
 1983:             $ispage=1;
 1984: 	} else {
 1985: 	    &Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
 1986: 	}
 1987:     }
 1988: 
 1989:     my $orig_url = $url;
 1990:     $orig_url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
 1991:     my $external = ($url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/});
 1992:     if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) {
 1993: 	my $symb=&Apache::lonnet::symbclean(
 1994:           &Apache::lonnet::declutter('uploaded/'.
 1995:            $env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1996:            $env{'course.'.$env{'request.course.id'}.'.num'}.'/'.$folder.
 1997:            '.sequence').
 1998:            '___'.$residx.'___'.
 1999: 	   &Apache::lonnet::declutter($url));
 2000: 	(undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
 2001: 	$url=&Apache::lonnet::clutter($url);
 2002: 	if ($url=~/^\/*uploaded\//) {
 2003: 	    $url=~/\.(\w+)$/;
 2004: 	    my $embstyle=&Apache::loncommon::fileembstyle($1);
 2005: 	    if (($embstyle eq 'img') || ($embstyle eq 'emb')) {
 2006: 		$url='/adm/wrapper'.$url;
 2007: 	    } elsif ($embstyle eq 'ssi') {
 2008: 		#do nothing with these
 2009: 	    } elsif ($url!~/\.(sequence|page)$/) {
 2010: 		$url='/adm/coursedocs/showdoc'.$url;
 2011: 	    }
 2012: 	} elsif ($url=~m|^/ext/|) {
 2013: 	    $url='/adm/wrapper'.$url;
 2014: 	    $external = 1;
 2015: 	}
 2016:         if (&Apache::lonnet::symbverify($symb,$url)) {
 2017: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 2018:         } else {
 2019:             $url='';
 2020:         }
 2021: 	if ($container eq 'page') {
 2022: 	    my $symb=$env{'form.pagesymb'};
 2023: 
 2024: 	    $url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
 2025: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 2026: 	}
 2027:     }
 2028:     my ($parameterset,$rand_order_text) = ('&nbsp;', '&nbsp;');
 2029:     if ($isfolder || $extension eq 'sequence') {
 2030: 	my $foldername=&escape($foldertitle);
 2031: 	my $folderpath=$env{'form.folderpath'};
 2032: 	if ($folderpath) { $folderpath.='&' };
 2033: # Append randompick number, hidden, and encrypted with ":" to foldername,
 2034: # so it gets transferred between levels
 2035: 	$folderpath.=$folderarg.'&'.$foldername.':'.(&LONCAPA::map::getparameter($orderidx,
 2036:                                               'parameter_randompick'))[0]
 2037:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 2038:                                               'parameter_hiddenresource'))[0]=~/^yes$/i)
 2039:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 2040:                                               'parameter_encrypturl'))[0]=~/^yes$/i)
 2041:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 2042:                                               'parameter_randomorder'))[0]=~/^yes$/i);
 2043: 	$url.='folderpath='.&escape($folderpath).$cpinfo;
 2044: 	$parameterset='<label>'.&mt('Randomly Pick: ').
 2045: 	    '<input type="text" size="4" onchange="this.form.changeparms.value='."'randompick'".';this.form.submit()" name="randompick_'.$orderidx.'" value="'.
 2046: 	    (&LONCAPA::map::getparameter($orderidx,
 2047:                                               'parameter_randompick'))[0].
 2048:                                               '" />'.
 2049: '<a href="javascript:void(0)">'.&mt('Save').'</a></label>';
 2050:     	my $ro_set=
 2051: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_randomorder'))[0]=~/^yes$/i?' checked="checked"':'');
 2052: 	$rand_order_text ='
 2053: <span class="LC_nobreak"><label><input type="checkbox" name="randomorder_'.$orderidx.'" onclick="this.form.changeparms.value=\'randomorder\';this.form.submit()" '.$ro_set.' /> '.&mt('Random Order').' </label></span>';
 2054:     }
 2055:     if ($ispage) {
 2056:         my $pagename=&escape($pagetitle);
 2057:         my $pagepath;
 2058:         my $folderpath=$env{'form.folderpath'};
 2059:         if ($folderpath) { $pagepath = $folderpath.'&' };
 2060:         $pagepath.=$pagearg.'&'.$pagename;
 2061: 	my $symb=$env{'form.pagesymb'};
 2062: 	if (!$symb) {
 2063: 	    my $path='uploaded/'.
 2064: 		$env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 2065: 		$env{'course.'.$env{'request.course.id'}.'.num'}.'/';
 2066: 	    $symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
 2067: 					       $residx,
 2068: 					       $path.$pagearg.'.page');
 2069: 	}
 2070: 	$url.='pagepath='.&escape($pagepath).
 2071: 	    '&amp;pagesymb='.&escape($symb).$cpinfo;
 2072:     }
 2073:     if (($external) && ($allowed)) {
 2074: 	my $form = ($folder =~ /^default/)? 'newext' : 'supnewext';
 2075: 	$external = '&nbsp;<a class="LC_docs_ext_edit" href="javascript:edittext(\''.$form.'\',\''.$residx.'\',\''.&escape($title).'\',\''.&escape($orig_url).'\');" >'.&mt('Edit').'</a>';
 2076:     } else {
 2077: 	undef($external);
 2078:     }
 2079:     my $reinit;
 2080:     if ($crstype eq 'Community') {
 2081:         $reinit = &mt('(re-initialize community to access)');
 2082:     } else {
 2083:         $reinit = &mt('(re-initialize course to access)');
 2084:     }  
 2085:     $line.='
 2086:   <td>
 2087:     '.($url?'<a href="'.$url.'">':'').'<img src="'.$icon.'" alt="" class="LC_icon" />'.($url?'</a>':'').'
 2088:   </td>
 2089:   <td>
 2090:     '.($url?"<a href=\"$url\">":'').$title.($url?'</a>':' <span class="LC_docs_reinit_warn">'.$reinit.'</span>').$external."
 2091:   </td>";
 2092:     if (($allowed) && ($folder!~/^supplemental/)) {
 2093:  	my %lt=&Apache::lonlocal::texthash(
 2094:  			      'hd' => 'Hidden',
 2095:  			      'ec' => 'URL hidden');
 2096: 	my $enctext=
 2097: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="checked"':'');
 2098: 	my $hidtext=
 2099: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="checked"':'');
 2100: 	$line.=(<<ENDPARMS);
 2101:   <td class="LC_docs_entry_parameter">
 2102:     $form_start
 2103:     <label><input type="checkbox" name="hiddenresource_$orderidx" onclick="this.form.changeparms.value='hiddenresource';this.form.submit()" $hidtext /> $lt{'hd'}</label>
 2104:     $form_end
 2105:   </td>
 2106:   <td class="LC_docs_entry_parameter">
 2107:     $form_start
 2108:     <label><input type="checkbox" name="encrypturl_$orderidx" onclick="this.form.changeparms.value='encrypturl';this.form.submit()" $enctext /> $lt{'ec'}</label>
 2109:     $form_end
 2110:   </td>
 2111:   <td class="LC_docs_entry_parameter">$form_start $rand_order_text $form_end</td>
 2112:   <td class="LC_docs_entry_parameter">$form_start $parameterset $form_end</td>
 2113: ENDPARMS
 2114:     }
 2115:     $line.=&Apache::loncommon::end_data_table_row();
 2116:     return $line;
 2117: }
 2118: 
 2119: =pod
 2120: 
 2121: =item tiehash()
 2122: 
 2123: tie the hash
 2124: 
 2125: =cut
 2126: 
 2127: sub tiehash {
 2128:     my ($mode)=@_;
 2129:     $hashtied=0;
 2130:     if ($env{'request.course.fn'}) {
 2131: 	if ($mode eq 'write') {
 2132: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 2133: 		    &GDBM_WRCREAT(),0640)) {
 2134:                 $hashtied=2;
 2135: 	    }
 2136: 	} else {
 2137: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 2138: 		    &GDBM_READER(),0640)) {
 2139:                 $hashtied=1;
 2140: 	    }
 2141: 	}
 2142:     }
 2143: }
 2144: 
 2145: sub untiehash {
 2146:     if ($hashtied) { untie %hash; }
 2147:     $hashtied=0;
 2148:     return OK;
 2149: }
 2150: 
 2151: 
 2152: 
 2153: 
 2154: sub checkonthis {
 2155:     my ($r,$url,$level,$title)=@_;
 2156:     $url=&unescape($url);
 2157:     $alreadyseen{$url}=1;
 2158:     $r->rflush();
 2159:     if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
 2160:        $r->print("\n<br />");
 2161:        if ($level==0) {
 2162:            $r->print("<br />");
 2163:        }
 2164:        for (my $i=0;$i<=$level*5;$i++) {
 2165:            $r->print('&nbsp;');
 2166:        }
 2167:        $r->print('<a href="'.$url.'" target="cat">'.
 2168: 		 ($title?$title:$url).'</a> ');
 2169:        if ($url=~/^\/res\//) {
 2170: 	  my $result=&Apache::lonnet::repcopy(
 2171:                               &Apache::lonnet::filelocation('',$url));
 2172:           if ($result eq 'ok') {
 2173:              $r->print('<span class="LC_success">'.&mt('ok').'</span>');
 2174:              $r->rflush();
 2175:              &Apache::lonnet::countacc($url);
 2176:              $url=~/\.(\w+)$/;
 2177:              if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
 2178: 		 $r->print('<br />');
 2179:                  $r->rflush();
 2180:                  for (my $i=0;$i<=$level*5;$i++) {
 2181:                      $r->print('&nbsp;');
 2182:                  }
 2183:                  $r->print('- '.&mt('Rendering:').' ');
 2184: 		 my ($errorcount,$warningcount)=split(/:/,
 2185: 	       &Apache::lonnet::ssi_body($url,
 2186: 			       ('grade_target'=>'web',
 2187: 				'return_only_error_and_warning_counts' => 1)));
 2188:                  if (($errorcount) ||
 2189:                      ($warningcount)) {
 2190: 		     if ($errorcount) {
 2191:                         $r->print('<img src="/adm/lonMisc/bomb.gif" alt="'.&mt('bomb').'" /><span class="LC_error">'.
 2192:                           &mt('[quant,_1,error]',$errorcount).'</span>');
 2193:                      }
 2194: 		     if ($warningcount) {
 2195:                         $r->print('<span class="LC_warning">'.
 2196:                           &mt('[quant,_1,warning]',$warningcount).'</span>');
 2197:                      }
 2198:                  } else {
 2199:                      $r->print('<span class="LC_success">'.&mt('ok').'</span>');
 2200:                  }
 2201:                  $r->rflush();
 2202:              }
 2203: 	     my $dependencies=
 2204:                 &Apache::lonnet::metadata($url,'dependencies');
 2205:              foreach my $dep (split(/\,/,$dependencies)) {
 2206: 		 if (($dep=~/^\/res\//) && (!$alreadyseen{$dep})) {
 2207:                     &checkonthis($r,$dep,$level+1);
 2208:                  }
 2209:              }
 2210:           } elsif ($result eq 'unavailable') {
 2211:              $r->print('<span class="LC_error">'.&mt('connection down').'</span>');
 2212:           } elsif ($result eq 'not_found') {
 2213: 	      unless ($url=~/\$/) {
 2214: 		  $r->print('<span class="LC_error">'.&mt('not found').'</b></span>');
 2215: 	      } else {
 2216: 		  $r->print('<span class="LC_error">'.&mt('unable to verify variable URL').'</span>');
 2217: 	      }
 2218:           } else {
 2219:              $r->print('<span class="LC_error">'.&mt('access denied').'</span>');
 2220:           }
 2221:        }
 2222:     }
 2223: }
 2224: 
 2225: 
 2226: 
 2227: =pod
 2228: 
 2229: =item list_symbs()
 2230: 
 2231: List Symbs
 2232: 
 2233: =cut
 2234: 
 2235: sub list_symbs {
 2236:     my ($r) = @_;
 2237: 
 2238:     my $crstype = &Apache::loncommon::course_type();
 2239:     $r->print(&Apache::loncommon::start_page('Symb List'));
 2240:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Symb List'));
 2241:     &startContentScreen($r,'tools');
 2242:     my $navmap = Apache::lonnavmaps::navmap->new();
 2243:     if (!defined($navmap)) {
 2244:         $r->print('<h2>'.&mt('Retrieval of List Failed').'</h2>'.
 2245:                   '<div class="LC_error">'.
 2246:                   &mt('Unable to retrieve information about course contents').
 2247:                   '</div>');
 2248:         &Apache::lonnet::logthis('Symb list failed - could not create navmap object in '.lc($crstype).':'.$env{'request.course.id'});
 2249:     } else {
 2250:         $r->print("<pre>\n");
 2251:         foreach my $res ($navmap->retrieveResources()) {
 2252:             $r->print($res->compTitle()."\t".$res->symb()."\n");
 2253:         }
 2254:         $r->print("\n</pre>\n");
 2255:     }
 2256: }
 2257: 
 2258: 
 2259: sub verifycontent {
 2260:     my ($r) = @_;
 2261:     my $crstype = &Apache::loncommon::course_type();
 2262:    $r->print(&Apache::loncommon::start_page('Verify '.$crstype.' Documents'));
 2263:    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$crstype.' Documents'));
 2264:    &startContentScreen($r,'tools');
 2265:    $hashtied=0;
 2266:    undef %alreadyseen;
 2267:    %alreadyseen=();
 2268:    &tiehash();
 2269:    foreach my $key (keys(%hash)) {
 2270:        if ($hash{$key}=~/\.(page|sequence)$/) {
 2271: 	   if (($key=~/^src_/) && ($alreadyseen{&unescape($hash{$key})})) {
 2272: 	       $r->print('<hr /><span class="LC_error">'.
 2273: 			 &mt('The following sequence or page is included more than once in your '.$crstype.':').' '.
 2274: 			 &unescape($hash{$key}).'</span><br />'.
 2275: 			 &mt('Note that grading records for problems included in this sequence or folder will overlap.').'<hr />');
 2276: 	   }
 2277:        }
 2278:        if (($key=~/^src\_(.+)$/) && (!$alreadyseen{&unescape($hash{$key})})) {
 2279:            &checkonthis($r,$hash{$key},0,$hash{'title_'.$1});
 2280:        }
 2281:    }
 2282:    &untiehash();
 2283:    $r->print('<p class="LC_success">'.&mt('Done').'</p>');
 2284: }
 2285: 
 2286: 
 2287: sub devalidateversioncache {
 2288:     my $src=shift;
 2289:     &Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
 2290: 					  &Apache::lonnet::clutter($src));
 2291: }
 2292: 
 2293: sub checkversions {
 2294:     my ($r) = @_;
 2295:     my $crstype = &Apache::loncommon::course_type();
 2296:     $r->print(&Apache::loncommon::start_page("Check $crstype Document Versions"));
 2297:     $r->print(&Apache::lonhtmlcommon::breadcrumbs("Check $crstype Document Versions"));
 2298:     &startContentScreen($r,'tools');
 2299: 
 2300:     my $header='';
 2301:     my $startsel='';
 2302:     my $monthsel='';
 2303:     my $weeksel='';
 2304:     my $daysel='';
 2305:     my $allsel='';
 2306:     my %changes=();
 2307:     my $starttime=0;
 2308:     my $haschanged=0;
 2309:     my %setversions=&Apache::lonnet::dump('resourceversions',
 2310: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2311: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2312: 
 2313:     $hashtied=0;
 2314:     &tiehash();
 2315:     my %newsetversions=();
 2316:     if ($env{'form.setmostrecent'}) {
 2317: 	$haschanged=1;
 2318: 	foreach my $key (keys(%hash)) {
 2319: 	    if ($key=~/^ids\_(\/res\/.+)$/) {
 2320: 		$newsetversions{$1}='mostrecent';
 2321:                 &devalidateversioncache($1);
 2322: 	    }
 2323: 	}
 2324:     } elsif ($env{'form.setcurrent'}) {
 2325: 	$haschanged=1;
 2326: 	foreach my $key (keys(%hash)) {
 2327: 	    if ($key=~/^ids\_(\/res\/.+)$/) {
 2328: 		my $getvers=&Apache::lonnet::getversion($1);
 2329: 		if ($getvers>0) {
 2330: 		    $newsetversions{$1}=$getvers;
 2331: 		    &devalidateversioncache($1);
 2332: 		}
 2333: 	    }
 2334: 	}
 2335:     } elsif ($env{'form.setversions'}) {
 2336: 	$haschanged=1;
 2337: 	foreach my $key (keys(%env)) {
 2338: 	    if ($key=~/^form\.set_version_(.+)$/) {
 2339: 		my $src=$1;
 2340: 		if (($env{$key}) && ($env{$key} ne $setversions{$src})) {
 2341: 		    $newsetversions{$src}=$env{$key};
 2342: 		    &devalidateversioncache($src);
 2343: 		}
 2344: 	    }
 2345: 	}
 2346:     }
 2347:     if ($haschanged) {
 2348:         if (&Apache::lonnet::put('resourceversions',\%newsetversions,
 2349: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2350: 			  $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {
 2351: 	    $r->print('<h1>'.&mt('Your Version Settings have been Saved').'</h1>');
 2352: 	} else {
 2353: 	    $r->print('<h1><span class="LC_error">'.&mt('An Error Occured while Attempting to Save your Version Settings').'</span></h1>');
 2354: 	}
 2355: 	&mark_hash_old();
 2356:     }
 2357:     &changewarning($r,'');
 2358:     if ($env{'form.timerange'} eq 'all') {
 2359: # show all documents
 2360: 	$header=&mt('All Documents in '.$crstype);
 2361: 	$allsel=1;
 2362: 	foreach my $key (keys(%hash)) {
 2363: 	    if ($key=~/^ids\_(\/res\/.+)$/) {
 2364: 		my $src=$1;
 2365: 		$changes{$src}=1;
 2366: 	    }
 2367: 	}
 2368:     } else {
 2369: # show documents which changed
 2370: 	%changes=&Apache::lonnet::dump
 2371: 	 ('versionupdate',$env{'course.'.$env{'request.course.id'}.'.domain'},
 2372:                      $env{'course.'.$env{'request.course.id'}.'.num'});
 2373: 	my $firstkey=(keys(%changes))[0];
 2374: 	unless ($firstkey=~/^error\:/) {
 2375: 	    unless ($env{'form.timerange'}) {
 2376: 		$env{'form.timerange'}=604800;
 2377: 	    }
 2378: 	    my $seltext=&mt('during the last').' '.$env{'form.timerange'}.' '
 2379: 		.&mt('seconds');
 2380: 	    if ($env{'form.timerange'}==-1) {
 2381: 		$seltext='since start of course';
 2382: 		$startsel='selected';
 2383: 		$env{'form.timerange'}=time;
 2384: 	    }
 2385: 	    $starttime=time-$env{'form.timerange'};
 2386: 	    if ($env{'form.timerange'}==2592000) {
 2387: 		$seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2388: 		$monthsel='selected';
 2389: 	    } elsif ($env{'form.timerange'}==604800) {
 2390: 		$seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2391: 		$weeksel='selected';
 2392: 	    } elsif ($env{'form.timerange'}==86400) {
 2393: 		$seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2394: 		$daysel='selected';
 2395: 	    }
 2396: 	    $header=&mt('Content changed').' '.$seltext;
 2397: 	} else {
 2398: 	    $header=&mt('No content modifications yet.');
 2399: 	}
 2400:     }
 2401:     %setversions=&Apache::lonnet::dump('resourceversions',
 2402: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2403: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2404:     my %lt=&Apache::lonlocal::texthash
 2405: 	      ('st' => 'Version changes since start of '.$crstype,
 2406: 	       'lm' => 'Version changes since last Month',
 2407: 	       'lw' => 'Version changes since last Week',
 2408: 	       'sy' => 'Version changes since Yesterday',
 2409:                'al' => 'All Resources (possibly large output)',
 2410: 	       'sd' => 'Display',
 2411: 	       'fi' => 'File',
 2412: 	       'md' => 'Modification Date',
 2413:                'mr' => 'Most recently published Version',
 2414: 	       've' => 'Version used in '.$crstype,
 2415:                'vu' => 'Set Version to be used in '.$crstype,
 2416: 'sv' => 'Set Versions to be used in '.$crstype.' according to Selections below',
 2417: 'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',
 2418: 'sc' => 'Set all Resource Versions to current Version (Fix Versions)',
 2419: 	       'di' => 'Differences');
 2420:     $r->print(<<ENDHEADERS);
 2421: <form action="/adm/coursedocs" method="post">
 2422: <input type="hidden" name="versions" value="1" />
 2423: <input type="submit" name="setmostrecent" value="$lt{'sm'}" />
 2424: <input type="submit" name="setcurrent" value="$lt{'sc'}" /><hr />
 2425: <select name="timerange">
 2426: <option value='all' $allsel>$lt{'al'}</option>
 2427: <option value="-1" $startsel>$lt{'st'}</option>
 2428: <option value="2592000" $monthsel>$lt{'lm'}</option>
 2429: <option value="604800" $weeksel>$lt{'lw'}</option>
 2430: <option value="86400" $daysel>$lt{'sy'}</option>
 2431: </select>
 2432: <input type="submit" name="display" value="$lt{'sd'}" />
 2433: <h3>$header</h3>
 2434: <input type="submit" name="setversions" value="$lt{'sv'}" />
 2435: <table border="0">
 2436: ENDHEADERS
 2437:     foreach my $key (sort(keys(%changes))) {
 2438: 	if ($changes{$key}>$starttime) {
 2439: 	    my ($root,$extension)=($key=~/^(.*)\.(\w+)$/);
 2440: 	    my $currentversion=&Apache::lonnet::getversion($key);
 2441: 	    if ($currentversion<0) {
 2442: 		$currentversion=&mt('Could not be determined.');
 2443: 	    }
 2444: 	    my $linkurl=&Apache::lonnet::clutter($key);
 2445: 	    $r->print(
 2446: 		      '<tr><td colspan="5"><br /><br /><font size="+1"><b>'.
 2447: 		      &Apache::lonnet::gettitle($linkurl).
 2448:                       '</b></font></td></tr>'.
 2449:                       '<tr><td>&nbsp;&nbsp;&nbsp;</td>'.
 2450:                       '<td colspan="4">'.
 2451:                       '<a href="'.$linkurl.'" target="cat">'.$linkurl.
 2452: 		      '</a></td></tr>'.
 2453:                       '<tr><td></td>'.
 2454:                       '<td title="'.$lt{'md'}.'">'.
 2455: 		      &Apache::lonlocal::locallocaltime(
 2456:                            &Apache::lonnet::metadata($root.'.'.$extension,
 2457:                                                      'lastrevisiondate')
 2458:                                                         ).
 2459:                       '</td>'.
 2460:                       '<td title="'.$lt{'mr'}.'"><span class="LC_nobreak">Most Recent: '.
 2461:                       '<font size="+1">'.$currentversion.'</font>'.
 2462:                       '</span></td>'.
 2463:                       '<td title="'.$lt{'ve'}.'"><span class="LC_nobreak">In '.$crstype.': '.
 2464:                       '<font size="+1">');
 2465: # Used in course
 2466: 	    my $usedversion=$hash{'version_'.$linkurl};
 2467: 	    if (($usedversion) && ($usedversion ne 'mostrecent')) {
 2468: 		$r->print($usedversion);
 2469: 	    } else {
 2470: 		$r->print($currentversion);
 2471: 	    }
 2472: 	    $r->print('</font></span></td><td title="'.$lt{'vu'}.'">'.
 2473:                       '<span class="LC_nobreak">Use: ');
 2474: # Set version
 2475: 	    $r->print(&Apache::loncommon::select_form($setversions{$linkurl},
 2476: 						      'set_version_'.$linkurl,
 2477: 						      {'select_form_order' =>
 2478: 						       ['',1..$currentversion,'mostrecent'],
 2479: 						       '' => '',
 2480: 						       'mostrecent' => &mt('most recent'),
 2481: 						       map {$_,$_} (1..$currentversion)}));
 2482: 	    $r->print('</span></td></tr><tr><td></td>');
 2483: 	    my $lastold=1;
 2484: 	    for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
 2485: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2486: 		if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
 2487: 		    $starttime) {
 2488: 		    $lastold=$prevvers;
 2489: 		}
 2490: 	    }
 2491:             #
 2492:             # Code to figure out how many version entries should go in
 2493:             # each of the four columns
 2494:             my $entries_per_col = 0;
 2495:             my $num_entries = ($currentversion-$lastold);
 2496:             if ($num_entries % 4 == 0) {
 2497:                 $entries_per_col = $num_entries/4;
 2498:             } else {
 2499:                 $entries_per_col = $num_entries/4 + 1;
 2500:             }
 2501:             my $entries_count = 0;
 2502:             $r->print('<td valign="top"><font size="-2">');
 2503:             my $cols_output = 1;
 2504:             for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
 2505: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2506: 		$r->print('<span class="LC_nobreak"><a href="'.&Apache::lonnet::clutter($url).
 2507: 			  '">'.&mt('Version').' '.$prevvers.'</a> ('.
 2508: 			  &Apache::lonlocal::locallocaltime(
 2509:                                 &Apache::lonnet::metadata($url,
 2510:                                                           'lastrevisiondate')
 2511:                                                             ).
 2512: 			  ')');
 2513: 		if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
 2514:                     $r->print(' <a href="/adm/diff?filename='.
 2515: 			      &Apache::lonnet::clutter($root.'.'.$extension).
 2516: 			      '&versionone='.$prevvers.
 2517: 			      '">'.&mt('Diffs').'</a>');
 2518: 		}
 2519: 		$r->print('</span><br />');
 2520:                 if (++$entries_count % $entries_per_col == 0) {
 2521:                     $r->print('</font></td>');
 2522:                     if ($cols_output != 4) {
 2523:                         $r->print('<td valign="top"><font size="-2">');
 2524:                         $cols_output++;
 2525:                     }
 2526:                 }
 2527: 	    }
 2528:             while($cols_output++ < 4) {
 2529:                 $r->print('</font></td><td><font>')
 2530:             }
 2531: 	    $r->print('</font></td></tr>'."\n");
 2532: 	}
 2533:     }
 2534:     $r->print('</table></form>');
 2535:     $r->print('<p class="LC_success">'.&mt('Done').'</p>');
 2536: 
 2537:     &untiehash();
 2538: }
 2539: 
 2540: sub mark_hash_old {
 2541:     my $retie_hash=0;
 2542:     if ($hashtied) {
 2543: 	$retie_hash=1;
 2544: 	&untiehash();
 2545:     }
 2546:     &tiehash('write');
 2547:     $hash{'old'}=1;
 2548:     &untiehash();
 2549:     if ($retie_hash) { &tiehash(); }
 2550: }
 2551: 
 2552: sub is_hash_old {
 2553:     my $untie_hash=0;
 2554:     if (!$hashtied) {
 2555: 	$untie_hash=1;
 2556: 	&tiehash();
 2557:     }
 2558:     my $return=$hash{'old'};
 2559:     if ($untie_hash) { &untiehash(); }
 2560:     return $return;
 2561: }
 2562: 
 2563: sub changewarning {
 2564:     my ($r,$postexec,$message,$url)=@_;
 2565:     if (!&is_hash_old()) { return; }
 2566:     my $pathvar='folderpath';
 2567:     my $path=&escape($env{'form.folderpath'});
 2568:     if (!defined($url)) {
 2569: 	if (defined($env{'form.pagepath'})) {
 2570: 	    $pathvar='pagepath';
 2571: 	    $path=&escape($env{'form.pagepath'});
 2572: 	    $path.='&amp;pagesymb='.&escape($env{'form.pagesymb'});
 2573: 	}
 2574: 	$url='/adm/coursedocs?'.$pathvar.'='.$path;
 2575:     }
 2576:     my $course_type = &Apache::loncommon::course_type();
 2577:     if (!defined($message)) {
 2578: 	$message='Changes will become active for your current session after [_1], or the next time you log in.';
 2579:     }
 2580:     $r->print("\n\n".
 2581: '<script type="text/javascript">'."\n".
 2582: '// <![CDATA['."\n".
 2583: 'function reinit(tf) { tf.submit();'.$postexec.' }'."\n".
 2584: '// ]]>'."\n".
 2585: '</script>'."\n".
 2586: '<form name="reinitform" method="post" action="/adm/roles" target="loncapaclient">'.
 2587: '<input type="hidden" name="orgurl" value="'.$url.
 2588: '" /><input type="hidden" name="selectrole" value="1" /><p class="LC_warning">'.
 2589: &mt($message,' <input type="hidden" name="'.
 2590:     $env{'request.role'}.'" value="1" /><input type="button" value="'.
 2591:     &mt('re-initializing '.$course_type).'" onclick="reinit(this.form)" />').
 2592: $help{'Caching'}.'</p></form>'."\n\n");
 2593: }
 2594: 
 2595: 
 2596: sub init_breadcrumbs {
 2597:     my ($form,$text)=@_;
 2598:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 2599:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs",
 2600: 					    text=>&Apache::loncommon::course_type().' Editor',
 2601: 					    faq=>273,
 2602: 					    bug=>'Instructor Interface',
 2603:                                             help => 'Docs_Adding_Course_Doc'});
 2604:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs?".$form.'=1',
 2605: 					    text=>$text,
 2606: 					    faq=>273,
 2607: 					    bug=>'Instructor Interface'});
 2608: }
 2609: 
 2610: # subroutine to list form elements
 2611: sub create_list_elements {
 2612:    my @formarr = @_;
 2613:    my $list = '';
 2614:    for my $button (@formarr){
 2615:         for my $picture(keys %$button) {
 2616:             $list .= &Apache::lonhtmlcommon::htmltag('li', $picture.' '.$button->{$picture}, {class => 'LC_menubuttons_inline_text'});
 2617:         }
 2618:    }
 2619:    return $list;
 2620: }
 2621: 
 2622: # subroutine to create ul from list elements
 2623: sub create_form_ul {
 2624:    my $list = shift;
 2625:    my $ul = &Apache::lonhtmlcommon::htmltag('ul',$list, {class => 'LC_ListStyleNormal'});
 2626:    return $ul;
 2627: }
 2628: 
 2629: #
 2630: # Start tabs
 2631: #
 2632: 
 2633: sub startContentScreen {
 2634:     my ($r,$mode)=@_;
 2635:     $r->print('<ul class="LC_TabContentBigger" id="mainnav">');
 2636:     $r->print('<li'.(($mode eq 'navmaps')?' class="active"':'').'><a href="/adm/navmaps"><b>&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Content Overview').'&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>');
 2637: 
 2638:     my $active = '';
 2639: # does this user have privileges to modify docs
 2640:     my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
 2641: 
 2642:     my $onclick;
 2643:     my $href;
 2644: 
 2645:     if ($allowed) {
 2646: #        if (($mode eq 'navmaps') || ($mode eq 'tools')) {
 2647:            $href="/adm/coursedocs?forcestandard=1";
 2648:            $onclick=''; 
 2649: #        } else {
 2650: #           $href='#';
 2651: #           $onclick=' onclick="javascript:showPage(this,\'mainCourseDocuments\',\'mainnav\',\'maincoursedoc\');"';
 2652: #        }
 2653:         $r->print('<li '.(($mode eq 'docs')?' class="active"':'').$onclick.
 2654:                '><a href="'.$href.'"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Content Editor').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>');
 2655:     }
 2656: #    if (($mode eq 'navmaps') || ($mode eq 'tools')) {
 2657:        $href="/adm/coursedocs?forcesupplement=1";
 2658:        $onclick='';
 2659: #    } else {
 2660: #       $href='#';
 2661: #       $onclick=' onclick="javascript:showPage(this,\'mainCourseDocuments\',\'mainnav\',\'maincoursedoc\');"';
 2662: #   }
 2663: 
 2664:     $r->print('<li '.(($mode eq 'supdocs')?' class="active"':'').$onclick.
 2665:            '><a href="'.$href.'"><b>'.&mt('Supplemental Documents').'</b></a></li>');
 2666:     $r->print('</ul>');
 2667:     $r->print('<div class="LC_Box" style="clear:both;margin:0;">'
 2668:              .'<div id="maincoursedoc" style="margin:0 0;padding:0 0;">');
 2669:     $r->print('<div class="LC_ContentBox" id="mainCourseDocuments" style="display: block;">');
 2670: }
 2671: 
 2672: #
 2673: # End tabs
 2674: #
 2675: 
 2676: sub endContentScreen {
 2677:    my ($r)=@_;
 2678:    $r->print('</div></div></div>');
 2679: }
 2680: 
 2681: sub handler {
 2682:     my $r = shift;
 2683:     &Apache::loncommon::content_type($r,'text/html');
 2684:     $r->send_http_header;
 2685:     return OK if $r->header_only;
 2686:     my $crstype = &Apache::loncommon::course_type();
 2687: 
 2688: #
 2689: # --------------------------------------------- Initialize help topics for this
 2690:     foreach my $topic ('Adding_Course_Doc','Main_Course_Documents',
 2691: 	               'Adding_External_Resource','Navigate_Content',
 2692: 	               'Adding_Folders','Docs_Overview', 'Load_Map',
 2693: 	               'Supplemental','Score_Upload_Form','Adding_Pages',
 2694: 	               'Importing_LON-CAPA_Resource','Uploading_From_Harddrive',
 2695: 	               'Check_Resource_Versions','Verify_Content') {
 2696: 	$help{$topic}=&Apache::loncommon::help_open_topic('Docs_'.$topic);
 2697:     }
 2698:     # Composite help files
 2699:     $help{'Syllabus'} = &Apache::loncommon::help_open_topic(
 2700: 		    'Docs_About_Syllabus,Docs_Editing_Templated_Pages');
 2701:     $help{'Simple Page'} = &Apache::loncommon::help_open_topic(
 2702: 		    'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');
 2703:     $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(
 2704: 		    'Option_Response_Simple');
 2705:     $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(
 2706: 		    'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');
 2707:     $help{'My Personal Information Page'} = &Apache::loncommon::help_open_topic(
 2708: 		  'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
 2709:     $help{'Group Portfolio'} = &Apache::loncommon::help_open_topic('Docs_About_Group_Files');
 2710:     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
 2711: 
 2712: # does this user have privileges to modify docs
 2713:     my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
 2714:   if ($allowed && $env{'form.verify'}) {
 2715:       &init_breadcrumbs('verify','Verify Content');
 2716:       &verifycontent($r);
 2717:   } elsif ($allowed && $env{'form.listsymbs'}) {
 2718:       &init_breadcrumbs('listsymbs','List Symbs');
 2719:       &list_symbs($r);
 2720:   } elsif ($allowed && $env{'form.docslog'}) {
 2721:       &init_breadcrumbs('docslog','Show Log');
 2722:       &docs_change_log($r);
 2723:   } elsif ($allowed && $env{'form.versions'}) {
 2724:       &init_breadcrumbs('versions','Check/Set Resource Versions');
 2725:       &checkversions($r);
 2726:   } elsif ($allowed && $env{'form.dumpcourse'}) {
 2727:       &init_breadcrumbs('dumpcourse','Dump '.&Apache::loncommon::course_type().' Documents to Construction Space');
 2728:       &dumpcourse($r);
 2729:   } elsif ($allowed && $env{'form.exportcourse'}) {
 2730:       &init_breadcrumbs('exportcourse','IMS Export');
 2731:       &exportcourse($r);
 2732:   } else {
 2733: # is this a standard course?
 2734: 
 2735:     my $standard=($env{'request.course.uri'}=~/^\/uploaded\//);
 2736:     my $forcestandard = 0;
 2737:     my $forcesupplement;
 2738:     my $script='';
 2739:     my $showdoc=0;
 2740:     my $containertag;
 2741:     my $uploadtag;
 2742: 
 2743: 
 2744:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 2745: 					    ['folderpath','pagepath',
 2746: 					     'pagesymb','forcesupplement','forcestandard']);
 2747: # No folderpath, no pagepath, see if we have something stored
 2748:     if ((!$env{'form.folderpath'}) && (!$env{'form.pagepath'})) {
 2749:         &Apache::loncommon::restore_course_settings('docs_folderpath',
 2750:                                               {'folderpath' => 'scalar'});
 2751:     }
 2752:     if (!$allowed) {
 2753:         unless($env{'form.folderpath'} =~ /^supplemental/) {
 2754:             $env{'form.folderpath'} = '';
 2755:         }
 2756:     }
 2757:     if (!$env{'form.folderpath'} && $allowed) {
 2758:         &Apache::loncommon::restore_course_settings('docs_folderpath',
 2759:                                               {'pagepath' => 'scalar'});
 2760:     }
 2761:     if ($env{'form.pagepath'}) {
 2762:        $env{'form.folderpath'}='';
 2763:     }
 2764:     if ($env{'form.folderpath'} =~ /^supplemental_\d+/) {
 2765:         $env{'form.folderpath'} = 'supplemental&'.
 2766:                                   &escape(&mt('Supplemental '.$crstype.' Documents')).'&'.
 2767:                                   $env{'form.folderpath'};
 2768:     }
 2769:     &Apache::loncommon::store_course_settings('docs_folderpath',
 2770:                                                 {'pagepath' => 'scalar',
 2771:                                                  'folderpath' => 'scalar'});
 2772:     if ($env{'form.folderpath'}) {
 2773: 	my (@folderpath)=split('&',$env{'form.folderpath'});
 2774: 	$env{'form.foldername'}=&unescape(pop(@folderpath));
 2775: 	$env{'form.folder'}=pop(@folderpath);
 2776:     }
 2777:     if ($env{'form.pagepath'}) {
 2778:         my (@pagepath)=split('&',$env{'form.pagepath'});
 2779:         $env{'form.pagename'}=&unescape(pop(@pagepath));
 2780:         $env{'form.folder'}=pop(@pagepath);
 2781:         $containertag = '<input type="hidden" name="pagepath" value="" />'.
 2782: 	                '<input type="hidden" name="pagesymb" value="" />';
 2783:         $uploadtag = 
 2784:             '<input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />'.
 2785: 	    '<input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />'.
 2786:             '<input type="hidden" name="folderpath" value="" />';
 2787:     } else {
 2788:         my $folderpath=$env{'form.folderpath'};
 2789:         if (!$folderpath) {
 2790:             if ($env{'form.folder'} eq '' ||
 2791:                 $env{'form.folder'} eq 'supplemental') {
 2792:                 $folderpath='default&'.
 2793:                     &escape(&mt('Main '.$crstype.' Documents'));
 2794:             }
 2795:         }
 2796:         $containertag = '<input type="hidden" name="folderpath" value="" />';
 2797:         $uploadtag = '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($folderpath,'<>&"').'" />';
 2798:     }
 2799:     if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
 2800:        $showdoc='/'.$1;
 2801:     }
 2802:     if ($showdoc) { # got called in sequence from course
 2803: 	$allowed=0; 
 2804:     } else {
 2805:        if (($env{'form.folder'}=~/^(?:group|default)_/) ||
 2806:           ($env{'form.folder'} =~ m:^\d+/(pages|sequences)/:)) {
 2807:            $forcestandard = 1;
 2808:        }
 2809:        $forcesupplement=($env{'form.folder'}=~/^supplemental_/);
 2810: 
 2811:        if ($allowed) {
 2812:          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
 2813:          $script=&Apache::lonratedt::editscript('simple');
 2814:        }
 2815:     }
 2816: 
 2817: # get course data
 2818:     my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
 2819:     my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2820: 
 2821: # get personal data
 2822:     my $uname=$env{'user.name'};
 2823:     my $udom=$env{'user.domain'};
 2824:     my $plainname=&escape(&Apache::loncommon::plainname($uname,$udom));
 2825: 
 2826: # graphics settings
 2827: 
 2828:     $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
 2829: 
 2830:     if ($allowed) {
 2831: 	$script .= &editing_js($udom,$uname);
 2832:     }
 2833: # -------------------------------------------------------------------- Body tag
 2834:     $script = '<script type="text/javascript">'."\n"
 2835:               .'// <![CDATA['."\n"
 2836:               .$script."\n"
 2837:               .'// ]]>'."\n"
 2838:               .'</script>'."\n";
 2839: 
 2840:     # Breadcrumbs
 2841:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 2842:     if ($allowed) {
 2843:         &Apache::lonhtmlcommon::add_breadcrumb({
 2844:             href=>"/adm/coursedocs",text=>"$crstype Editor"});
 2845: 
 2846:         $r->print(&Apache::loncommon::start_page("$crstype Editor", $script,
 2847:                                                  {'force_register' => $showdoc,})
 2848:                  .&Apache::loncommon::help_open_menu('','',273,'RAT')
 2849:                  .&Apache::lonhtmlcommon::breadcrumbs(
 2850:                      'Editing the Table of Contents for your '.$crstype,
 2851:                      'Docs_Adding_Course_Doc')
 2852:         );
 2853:     } elsif ($showdoc) {
 2854:         $r->print(&Apache::loncommon::start_page("$crstype documents",undef,
 2855:                                                 {'force_register' => $showdoc,}));
 2856:     } else {
 2857:         my $folder=$env{'form.folder'};
 2858:         if ($folder eq '' || $folder eq 'supplemental') {
 2859:             $env{'form.folderpath'} = 'supplemental&'.
 2860:                                       &escape(&mt('Supplemental '.$crstype.' Documents'));
 2861:         }
 2862:         my ($breadcrumbtrail) = &breadcrumbs($allowed,$crstype);
 2863:         $r->print(&Apache::loncommon::start_page("Supplemental documents").
 2864:                   $breadcrumbtrail);
 2865:     }
 2866: 
 2867:   my %allfiles = ();
 2868:   my %codebase = ();
 2869:   my ($upload_result,$upload_output,$uploadphase);
 2870:   if ($allowed) {
 2871:       if (($env{'form.uploaddoc.filename'}) &&
 2872: 	  ($env{'form.cmd'}=~/^upload_(\w+)/)) {
 2873:           my $context = $1; 
 2874:           # Process file upload - phase one - upload and parse primary file.
 2875: 	  undef($hadchanges);
 2876:           $uploadphase = &process_file_upload(\$upload_output,$coursenum,$coursedom,
 2877:                                               \%allfiles,\%codebase,$context);
 2878: 	  if ($hadchanges) {
 2879: 	      &mark_hash_old();
 2880: 	  }
 2881:           $r->print($upload_output);
 2882:       } elsif ($env{'form.phase'} eq 'upload_embedded') {
 2883:           # Process file upload - phase two - upload embedded objects 
 2884:           $uploadphase = 'check_embedded';
 2885:           my $primaryurl = &HTML::Entities::encode($env{'form.primaryurl'},'<>&"');   
 2886:           my $state = &embedded_form_elems($uploadphase,$primaryurl,
 2887:                                            $env{'form.newidx'});
 2888:           my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
 2889:           my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2890:           my ($destination,$dir_root) = &embedded_destination();
 2891:           my $url_root = '/uploaded/'.$docudom.'/'.$docuname;
 2892:           my $actionurl = '/adm/coursedocs';
 2893:           my ($result,$flag) = 
 2894:               &Apache::loncommon::upload_embedded('coursedoc',$destination,
 2895:                   $docuname,$docudom,$dir_root,$url_root,undef,undef,undef,$state,
 2896:                   $actionurl);
 2897:           $r->print($result.&return_to_editor());
 2898:       } elsif ($env{'form.phase'} eq 'check_embedded') {
 2899:           # Process file upload - phase three - modify references in HTML file
 2900:           $uploadphase = 'modified_orightml';
 2901:           my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
 2902:           my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2903:           my ($destination,$dir_root) = &embedded_destination();
 2904:           $r->print(&Apache::loncommon::modify_html_refs('coursedoc',$destination,
 2905:                                                          $docuname,$docudom,undef,
 2906:                                                          $dir_root).
 2907:                    &return_to_editor());
 2908:       }
 2909:   }
 2910: 
 2911:   unless ($showdoc || $uploadphase) {  
 2912: # -----------------------------------------------------------------------------
 2913:        my %lt=&Apache::lonlocal::texthash(
 2914:                 'uplm' => 'Upload a new main '.lc($crstype).' document',
 2915:                 'upls' => 'Upload a new supplemental '.lc($crstype).' document',
 2916:                 'impp' => 'Import a document',
 2917: 		'copm' => 'All documents out of a published map into this folder',
 2918:                 'upld' => 'Import Document',
 2919:                 'srch' => 'Search',
 2920:                 'impo' => 'Import',
 2921: 		'wish' => 'Import from Wishlist',
 2922:                 'selm' => 'Select Map',
 2923:                 'load' => 'Load Map',
 2924:                 'reco' => 'Recover Deleted Documents',
 2925:                 'newf' => 'New Folder',
 2926:                 'newp' => 'New Composite Page',
 2927:                 'extr' => 'External Resource',
 2928:                 'syll' => 'Syllabus',
 2929:                 'navc' => 'Table of Contents',
 2930:                 'sipa' => 'Simple Course Page',
 2931:                 'sipr' => 'Simple Problem',
 2932:                 'drbx' => 'Drop Box',
 2933:                 'scuf' => 'Score Upload Form',
 2934:                 'bull' => 'Discussion Board',
 2935:                 'mypi' => 'My Personal Information Page',
 2936:                 'grpo' => 'Group Portfolio',
 2937:                 'rost' => 'Course Roster',
 2938: 				'abou' => 'Personal Information Page for a User',
 2939:                 'imsf' => 'IMS Import',
 2940:                 'imsl' => 'Import IMS package',
 2941:                 'file' =>  'File',
 2942:                 'title' => 'Title',
 2943:                 'comment' => 'Comment',
 2944:                 'parse' => 'Upload embedded images/multimedia files if HTML file',
 2945: 		'nd' => 'Upload Document',
 2946: 		'pm' => 'Published Map',
 2947: 		'sd' => 'Special Document',
 2948: 		'mo' => 'More Options',
 2949: 					  );
 2950: # -----------------------------------------------------------------------------
 2951: 	my $fileupload=(<<FIUP);
 2952: 	$lt{'file'}:<br />
 2953: 	<input type="file" name="uploaddoc" size="40" />
 2954: FIUP
 2955: 
 2956: 	my $checkbox=(<<CHBO);
 2957: 	<!-- <label>$lt{'parse'}?
 2958: 	<input type="checkbox" name="parserflag" />
 2959: 	</label> -->
 2960: 	<label>
 2961: 	<input type="checkbox" name="parserflag" checked="checked" /> $lt{'parse'}
 2962: 	</label>
 2963: CHBO
 2964: 
 2965:     my $fileuploada = "<input type='submit' value='".$lt{'upld'}."' /> $help{'Uploading_From_Harddrive'}";
 2966: 	my $fileuploadform=(<<FUFORM);
 2967: 	<form name="uploaddocument" action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 2968: 	<input type="hidden" name="active" value="aa" />
 2969: 	$fileupload
 2970: 	<br />
 2971: 	$lt{'title'}:<br />
 2972: 	<input type="text" size="80" name="comment" />
 2973: 	$uploadtag
 2974: 	<input type="hidden" name="cmd" value="upload_default" />
 2975: 	<br />
 2976: 	<span class="LC_nobreak">
 2977: 	$checkbox
 2978: 	</span>
 2979: FUFORM
 2980:     #$list .= Apache::lonhtmlcommon::htmltag('li', $picture.' '.$button->{$picture}, {class => 'LC_menubuttons_inline_text'});	
 2981:     #$fileuploadform .= create_form_ul(create_list_elements(@fileuploada));
 2982:     $fileuploadform .= &create_form_ul(&Apache::lonhtmlcommon::htmltag('li',$fileuploada,{class => 'LC_menubuttons_inline_text'})).'</form>';
 2983: 
 2984: 	my $simpleeditdefaultform=(<<SEDFFORM);
 2985: 	<form action="/adm/coursedocs" method="post" name="simpleeditdefault">
 2986: 	<input type="hidden" name="active" value="bb" />
 2987: SEDFFORM
 2988: 	my @simpleeditdefaultforma = ( 
 2989: 	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/src.png" alt="'.$lt{srch}.'"  onclick="javascript:groupsearch()" />' => "$uploadtag<a class='LC_menubuttons_link' href='javascript:groupsearch()'>$lt{'srch'}</a>" },
 2990: 	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/res.png" alt="'.$lt{impo}.'"  onclick="javascript:groupimport();"/>' => "<a class='LC_menubuttons_link' href='javascript:groupimport();'>$lt{'impo'}</a>$help{'Importing_LON-CAPA_Resource'}" },
 2991: 	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/wishlist.png" alt="'.$lt{wish}.'" onclick="javascript:open_Wishlist_Import();" />' => "<a class='LC_menubuttons_link' href='javascript:open_Wishlist_Import();'>$lt{'wish'}</a>" },
 2992: 	);
 2993: 	$simpleeditdefaultform .= &create_form_ul(&create_list_elements(@simpleeditdefaultforma));
 2994: 	$simpleeditdefaultform .=(<<SEDFFORM);
 2995: 	<hr />
 2996: 	<p>
 2997: 	$lt{'copm'}<br />
 2998: 	<input type="text" size="40" name="importmap" /><br />
 2999: 	<span class="LC_nobreak"><input type="button"
 3000: 	onclick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"
 3001: 	value="$lt{'selm'}" /> <input type="submit" name="loadmap" value="$lt{'load'}" />
 3002: 	$help{'Load_Map'}</span>
 3003: 	</p>
 3004: 	</form>
 3005: SEDFFORM
 3006: 
 3007:       my $extresourcesform=(<<ERFORM);
 3008:       <form action="/adm/coursedocs" method="post" name="newext">
 3009:       $uploadtag
 3010:       <input type="hidden" name="importdetail" value="" />
 3011:       <a class="LC_menubuttons_link" href="javascript:makenewext('newext');">$lt{'extr'}</a>$help{'Adding_External_Resource'}
 3012:       </form>
 3013: ERFORM
 3014: 
 3015: 
 3016:     if ($allowed) {
 3017: 	&update_paste_buffer($coursenum,$coursedom);
 3018:        my %lt=&Apache::lonlocal::texthash(
 3019: 					 'vc' => 'Verify Content',
 3020: 					 'cv' => 'Check/Set Resource Versions',
 3021: 					 'ls' => 'List Symbs',
 3022:                                          'sl' => 'Show Log'
 3023: 					  );
 3024: 
 3025: 	$r->print(<<HIDDENFORM);
 3026: 	<form name="renameform" method="post" action="/adm/coursedocs">
 3027:    <input type="hidden" name="title" />
 3028:    <input type="hidden" name="cmd" />
 3029:    <input type="hidden" name="markcopy" />
 3030:    <input type="hidden" name="copyfolder" />
 3031:    $containertag
 3032:  </form>
 3033:  <form name="simpleedit" method="post" action="/adm/coursedocs">
 3034:    <input type="hidden" name="importdetail" value="" />
 3035:    $uploadtag
 3036:  </form>
 3037: HIDDENFORM
 3038:     }
 3039: 
 3040: #
 3041: # Decide whether this should display supplemental or main content
 3042: # supplementalflag=1: show supplemental documents
 3043: # supplementalflag=0: show standard documents
 3044: 
 3045:     my $supplementalflag=($env{'form.folderpath'}=~/^supplemental/);
 3046:     if (($standard) && ($allowed) && (($env{'form.folderpath'}=~/^default/) || $env{'form.folderpath'} eq "" || ($env{'form.pagepath'}))) {
 3047:        $supplementalflag=0;
 3048:     }
 3049:     if ($env{'form.forcesupplement'}) { $supplementalflag=1; }
 3050:     if ($env{'form.forcestandard'})   { $supplementalflag=0; }
 3051: 
 3052: # Generate the tabs
 3053:     &startContentScreen($r,($supplementalflag?'supdocs':'docs'));
 3054: 
 3055: 
 3056: #
 3057: 
 3058:     my $savefolderpath;
 3059: 
 3060:     if ($allowed) {
 3061:        my $folder=$env{'form.folder'};
 3062:        if ($folder eq '' || $supplementalflag) {
 3063:            $folder='default';
 3064: 	   $savefolderpath = $env{'form.folderpath'};
 3065: 	   $env{'form.folderpath'}='default&'.&escape(&mt('Content'));
 3066:            $uploadtag = '<input type="hidden" name="folderpath" value="'.
 3067: 	       &HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />';
 3068:        }
 3069:        my $postexec='';
 3070:        if ($folder eq 'default') {
 3071:            $r->print('<script type="text/javascript">'."\n"
 3072:                     .'// <![CDATA['."\n"
 3073:                     .'this.window.name="loncapaclient";'."\n"
 3074:                     .'// ]]>'."\n"
 3075:                     .'</script>'."\n"
 3076:        );
 3077:        } else {
 3078:            #$postexec='self.close();';
 3079:        }
 3080:        my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 3081:                      '.sequence';
 3082:        my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 3083:                      '.page';
 3084: 	my $container='sequence';
 3085: 	if ($env{'form.pagepath'}) {
 3086: 	    $container='page';
 3087: 	}
 3088: 	my $readfile='/uploaded/'.$coursedom.'/'.$coursenum.'/'.$folder.'.'.$container;
 3089: 
 3090: 
 3091: 
 3092: 	my $recoverform=(<<RFORM);
 3093: 	<form action="/adm/groupsort" method="post" name="recover">
 3094: 	<a class="LC_menubuttons_link" href="javascript:groupopen('$readfile',1)">$lt{'reco'}</a>
 3095: 	</form>
 3096: RFORM
 3097: 
 3098: 	my $imspform=(<<IMSPFORM);
 3099: 	<form action="/adm/imsimportdocs" method="post" name="ims">
 3100: 	<input type="hidden" name="folder" value="$folder" />
 3101: 	<a class="LC_menubuttons_link" href="javascript:makeims();">$lt{'imsf'}</a>
 3102: 	</form>
 3103: IMSPFORM
 3104: 
 3105: 	my $newnavform=(<<NNFORM);
 3106: 	<form action="/adm/coursedocs" method="post" name="newnav">
 3107: 	<input type="hidden" name="active" value="cc" />
 3108: 	$uploadtag
 3109: 	<input type="hidden" name="importdetail" 
 3110: 	value="$lt{'navc'}=/adm/navmaps" />
 3111: 	<a class="LC_menubuttons_link" href="javascript:document.newnav.submit()">$lt{'navc'}</a>
 3112: 	$help{'Navigate_Content'}
 3113: 	</form>
 3114: NNFORM
 3115: 	my $newsmppageform=(<<NSPFORM);
 3116: 	<form action="/adm/coursedocs" method="post" name="newsmppg">
 3117: 	<input type="hidden" name="active" value="cc" />
 3118: 	$uploadtag
 3119: 	<input type="hidden" name="importdetail" value="" />
 3120: 	<a class="LC_menubuttons_link" href="javascript:makesmppage();"> $lt{'sipa'}</a>
 3121: 	$help{'Simple Page'}
 3122: 	</form>
 3123: NSPFORM
 3124: 
 3125: 	my $newsmpproblemform=(<<NSPROBFORM);
 3126: 	<form action="/adm/coursedocs" method="post" name="newsmpproblem">
 3127: 	<input type="hidden" name="active" value="cc" />
 3128: 	$uploadtag
 3129: 	<input type="hidden" name="importdetail" value="" />
 3130: 	<a class="LC_menubuttons_link" href="javascript:makesmpproblem();">$lt{'sipr'}</a>
 3131: 	$help{'Simple Problem'}
 3132: 	</form>
 3133: 
 3134: NSPROBFORM
 3135: 
 3136: 	my $newdropboxform=(<<NDBFORM);
 3137: 	<form action="/adm/coursedocs" method="post" name="newdropbox">
 3138: 	<input type="hidden" name="active" value="cc" />
 3139: 	$uploadtag
 3140: 	<input type="hidden" name="importdetail" value="" />
 3141: 	<a class="LC_menubuttons_link" href="javascript:makedropbox();">$lt{'drbx'}</a>
 3142: 	</form>
 3143: NDBFORM
 3144: 
 3145: 	my $newexuploadform=(<<NEXUFORM);
 3146: 	<form action="/adm/coursedocs" method="post" name="newexamupload">
 3147: 	<input type="hidden" name="active" value="cc" />
 3148: 	$uploadtag
 3149: 	<input type="hidden" name="importdetail" value="" />
 3150: 	<a class="LC_menubuttons_link" href="javascript:makeexamupload();">$lt{'scuf'}</a>
 3151: 	$help{'Score_Upload_Form'}
 3152: 	</form>
 3153: NEXUFORM
 3154: 
 3155: 	my $newbulform=(<<NBFORM);
 3156: 	<form action="/adm/coursedocs" method="post" name="newbul">
 3157: 	<input type="hidden" name="active" value="cc" />
 3158: 	$uploadtag
 3159: 	<input type="hidden" name="importdetail" value="" />
 3160: 	<a class="LC_menubuttons_link" href="javascript:makebulboard();" >$lt{'bull'}</a>
 3161: 	$help{'Bulletin Board'}
 3162: 	</form>
 3163: NBFORM
 3164: 
 3165: 	my $newaboutmeform=(<<NAMFORM);
 3166: 	<form action="/adm/coursedocs" method="post" name="newaboutme">
 3167: 	<input type="hidden" name="active" value="cc" />
 3168: 	$uploadtag
 3169: 	<input type="hidden" name="importdetail" 
 3170: 	value="$plainname=/adm/$udom/$uname/aboutme" />
 3171: 	<a class="LC_menubuttons_link" href="javascript:document.newaboutme.submit()">$lt{'mypi'}</a>
 3172: 	$help{'My Personal Information Page'}
 3173: 	</form>
 3174: NAMFORM
 3175: 
 3176: 	my $newaboutsomeoneform=(<<NASOFORM);
 3177: 	<form action="/adm/coursedocs" method="post" name="newaboutsomeone">
 3178: 	<input type="hidden" name="active" value="cc" />
 3179: 	$uploadtag
 3180: 	<input type="hidden" name="importdetail" value="" />
 3181: 	<a class="LC_menubuttons_link" href="javascript:makeabout();">$lt{'abou'}</a>
 3182: 	</form>
 3183: NASOFORM
 3184: 
 3185: 
 3186: 	my $newrosterform=(<<NROSTFORM);
 3187: 	<form action="/adm/coursedocs" method="post" name="newroster">
 3188: 	<input type="hidden" name="active" value="cc" />
 3189: 	$uploadtag
 3190: 	<input type="hidden" name="importdetail" 
 3191: 	value="$lt{'rost'}=/adm/viewclasslist" />
 3192: 	<a class="LC_menubuttons_link" href="javascript:document.newroster.submit()">$lt{'rost'}</a>
 3193: 	$help{'Course Roster'}
 3194: 	</form>
 3195: NROSTFORM
 3196: 
 3197: my $specialdocumentsform;
 3198: my @specialdocumentsforma;
 3199: my $newfolderform;
 3200: my $newfolderb;
 3201: 
 3202:        unless ($env{'form.pagepath'}) {
 3203: 	   my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 3204: 	
 3205: 	my $newpageform=(<<NPFORM);
 3206: 	<form action="/adm/coursedocs" method="post" name="newpage">
 3207: 	<input type="hidden" name="folderpath" value="$path" />
 3208: 	<input type="hidden" name="importdetail" value="" />
 3209: 	<input type="hidden" name="active" value="cc" />
 3210: 	<a class="LC_menubuttons_link" href="javascript:makenewpage(document.newpage,'$pageseq');">$lt{'newp'}</a>
 3211: 	$help{'Adding_Pages'}
 3212: 	</form>
 3213: NPFORM
 3214: 
 3215: 
 3216: 	$newfolderform=(<<NFFORM);
 3217: 	<form action="/adm/coursedocs" method="post" name="newfolder">
 3218: 	<input type="hidden" name="folderpath" value="$path" />
 3219: 	<input type="hidden" name="importdetail" value="" />
 3220: 	<input type="hidden" name="active" value="aa" />
 3221: 	<a href="javascript:makenewfolder(document.newfolder,'$folderseq');">$lt{'newf'}</a>$help{'Adding_Folders'}
 3222: 	</form>
 3223: NFFORM
 3224: 
 3225: 	my $newsylform=(<<NSYLFORM);
 3226: 	<form action="/adm/coursedocs" method="post" name="newsyl">
 3227: 	<input type="hidden" name="active" value="cc" />
 3228: 	$uploadtag
 3229: 	<input type="hidden" name="importdetail" 
 3230: 	value="$lt{'syll'}=/public/$coursedom/$coursenum/syllabus" />
 3231: 	<a class="LC_menubuttons_link" href="javascript:document.newsyl.submit()">$lt{'syll'}</a>
 3232: 	$help{'Syllabus'}
 3233: 
 3234: 	</form>
 3235: NSYLFORM
 3236: 
 3237: 	my $newgroupfileform=(<<NGFFORM);
 3238: 	<form action="/adm/coursedocs" method="post" name="newgroupfiles">
 3239: 	<input type="hidden" name="active" value="cc" />
 3240: 	$uploadtag
 3241: 	<input type="hidden" name="importdetail"
 3242: 	value="$lt{'grpo'}=/adm/$coursedom/$coursenum/aboutme" />
 3243: 	<a class="LC_menubuttons_link" href="javascript:document.newgroupfiles.submit()">$lt{'grpo'}</a>
 3244: 	$help{'Group Portfolio'}
 3245: 	</form>
 3246: NGFFORM
 3247: 	@specialdocumentsforma=(
 3248: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/page.png" alt="'.$lt{newp}.'"  onclick="javascript:makenewpage(document.newpage,\''.$pageseq.'\');" />'=>$newpageform},
 3249: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/syllabus.png" alt="'.$lt{syll}.'" onclick="document.newsyl.submit()" />'=>$newsylform},
 3250: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/groupportfolio.png" alt="'.$lt{grpo}.'" onclick="document.newgroupfiles.submit()" />'=>$newgroupfileform},
 3251: 	);
 3252: 
 3253:         my @importdoc = (
 3254:         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extr}.'" onclick="javascript:makenewext(\'newext\');" />'=>$extresourcesform},
 3255:         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/ims.png" alt="'.$lt{imsf}.'" onclick="javascript:makeims();" />'=>$imspform},);
 3256:         $fileuploadform =  &create_form_ul(&create_list_elements(@importdoc)) . '<hr/>' . $fileuploadform;
 3257: 
 3258: 	push @specialdocumentsforma, ({'<img class="LC_noBorder LC_middle" src="/res/adm/pages/navigation.png" alt="'.$lt{navc}.'" onclick="document.newnav.submit()" />'=>$newnavform},
 3259: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/simple.png" alt="'.$lt{sipa}.'" onclick="javascript:makesmppage();" />'=>$newsmppageform},
 3260: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/simpprob.png" alt="'.$lt{sipr}.'" onclick="javascript:makesmpproblem();" />'=>$newsmpproblemform},
 3261: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/dropbox.png" alt="'.$lt{drbx}.'" onclick="javascript:makedropbox();" />'=>$newdropboxform},
 3262: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/scoreupfrm.png" alt="'.$lt{scuf}.'" onclick="javascript:makeexamupload();" />'=>$newexuploadform},
 3263: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/bchat.png" alt="'.$lt{bull}.'" onclick="javascript:makebulboard();" />'=>$newbulform},
 3264: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/myaboutme.png" alt="'.$lt{mypi}.'" onclick="javascript:makebulboard();" />'=>$newaboutmeform},
 3265: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/aboutme.png" alt="'.$lt{abou}.'" onclick="javascript:makeabout();" />'=>$newaboutsomeoneform},
 3266: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/clst.png" alt="'.$lt{rost}.'" onclick="document.newroster.submit()" />'=>$newrosterform},);
 3267: 
 3268: 	$specialdocumentsform = &create_form_ul(&create_list_elements(@specialdocumentsforma));
 3269:       }
 3270: 
 3271: if($env{'form.pagepath'}) {
 3272: 	
 3273: 	@specialdocumentsforma=(
 3274: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/simpprob.png" alt="'.&mt('Simple Problem').'" onclick="javascript:makesmpproblem();" />'=>$newsmpproblemform},
 3275: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/scoreupfrm.png" alt="'.&mt('Score Upload Form').'" onclick="javascript:makeexamupload();" />'=>$newexuploadform}
 3276: 	);
 3277: 	$specialdocumentsform= &create_form_ul(&create_list_elements(@specialdocumentsforma));
 3278: }
 3279: 
 3280: my @tools = (
 3281: #	{'<img class="LC_noBorder LC_middle" align="left" src="/res/adm/pages/extres.png" alt="'.$lt{extr}.'" />'=>$extresourcesform},
 3282: #	{'<img class="LC_noBorder LC_middle" align="left" src="/res/adm/pages/ims.png" alt="'.$lt{imsf}.'" />'=>$imspform},
 3283: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/recover.png" alt="'.$lt{reco}.'" onclick="javascript:groupopen(\''.$readfile.'\',1)" />'=>$recoverform},
 3284: 	);
 3285: 
 3286: my %orderhash = (
 3287:                 'aa' => ['Import Documents',$fileuploadform],
 3288:                 'bb' => ['Published Resources',$simpleeditdefaultform],
 3289:                 'cc' => ['Special Documents',$specialdocumentsform],
 3290: 		'dd' => ['Tools', &create_form_ul(&create_list_elements(@tools)).&generate_admin_options(\%help,\%env)],
 3291:                 );
 3292: unless($env{'form.pagepath'}) {
 3293:     $orderhash{'00'} = ['Newfolder',$newfolderform];
 3294: }
 3295: 
 3296:  $hadchanges=0;
 3297:        unless ($supplementalflag) {
 3298:           my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype);
 3299:           if ($error) {
 3300:              $r->print('<p><span class="LC_error">'.$error.'</span></p>');
 3301:           }
 3302:           if ($hadchanges) {
 3303:              &mark_hash_old();
 3304:           }
 3305: 
 3306:           &changewarning($r,'');
 3307:           $r->print(&generate_edit_table('1',\%orderhash));
 3308:         }
 3309: 
 3310: 	}
 3311: 
 3312: # Supplemental documents start here
 3313: 
 3314:        my $folder=$env{'form.folder'};
 3315:        unless ($supplementalflag) {
 3316: 	   $folder='supplemental';
 3317:        }
 3318:        if ($folder =~ /^supplemental$/ &&
 3319: 	   (($env{'form.folderpath'} =~ /^default\&/) || ($env{'form.folderpath'} eq ''))) {
 3320:           $env{'form.folderpath'} = 'supplemental&'.
 3321:                                     &escape(&mt('Supplemental '.$crstype.' Documents'));
 3322:        } elsif ($allowed) {
 3323: 	  $env{'form.folderpath'} = $savefolderpath;
 3324:        }
 3325:        $env{'form.pagepath'} = '';
 3326:        if ($allowed) {
 3327: 	   my $folderseq=
 3328: 	       '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
 3329: 	       '.sequence';
 3330: 
 3331: 	   my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 3332: 
 3333: 	my $supupdocformbtn = "<input type='submit' value='".$lt{'upld'}."' />$help{'Uploading_From_Harddrive'}";
 3334: 	my $supupdocform=(<<SUPDOCFORM);
 3335: 	<form action="/adm/coursedocs" method="post" name="supuploaddocument" enctype="multipart/form-data">
 3336: 	<input type="hidden" name="active" value="ee" />	
 3337: 	$fileupload
 3338: 	<br />
 3339: 	<br />
 3340: 	<span class="LC_nobreak">
 3341: 	$checkbox
 3342: 	</span>
 3343: 	<br /><br />
 3344: 	$lt{'comment'}:<br />
 3345: 	<textarea cols="50" rows="4" name="comment"></textarea>
 3346: 	<br />
 3347: 	<input type="hidden" name="folderpath" value="$path" />
 3348: 	<input type="hidden" name="cmd" value="upload_supplemental" />
 3349: SUPDOCFORM
 3350: 	$supupdocform .=  &create_form_ul(&Apache::lonhtmlcommon::htmltag('li',$supupdocformbtn,{class => 'LC_menubuttons_inline_text'}))."</form>";
 3351: 
 3352: 	my $supnewfolderform=(<<SNFFORM);
 3353: 	<form action="/adm/coursedocs" method="post" name="supnewfolder">
 3354: 	<input type="hidden" name="active" value="ee" />
 3355: 	<input type="hidden" name="folderpath" value="$path" />
 3356: 	<input type="hidden" name="importdetail" value="" />
 3357: 	<a class="LC_menubuttons_link" href="javascript:makenewfolder(document.supnewfolder,'$folderseq');">$lt{'newf'}</a> 
 3358: 	$help{'Adding_Folders'}
 3359: 	</form>
 3360: SNFFORM
 3361: 	
 3362: 
 3363: 	my $supnewextform=(<<SNEFORM);
 3364: 	<form action="/adm/coursedocs" method="post" name="supnewext">
 3365: 	<input type="hidden" name="active" value="ff" />
 3366: 	<input type="hidden" name="folderpath" value="$path" />
 3367: 	<input type="hidden" name="importdetail" value="" />
 3368: 	<a class="LC_menubuttons_link" href="javascript:makenewext('supnewext');">$lt{'extr'}</a> $help{'Adding_External_Resource'}
 3369: 	</form>
 3370: SNEFORM
 3371: 
 3372: 	my $supnewsylform=(<<SNSFORM);
 3373: 	<form action="/adm/coursedocs" method="post" name="supnewsyl">
 3374: 	<input type="hidden" name="active" value="ff" />
 3375: 	<input type="hidden" name="folderpath" value="$path" />
 3376: 	<input type="hidden" name="importdetail" 
 3377: 	value="Syllabus=/public/$coursedom/$coursenum/syllabus" />
 3378: 	<a class="LC_menubuttons_link" href="javascript:document.supnewsyl.submit()">$lt{'syll'}</a>
 3379: 	$help{'Syllabus'}
 3380: 	</form>
 3381: SNSFORM
 3382: 
 3383: 	my $supnewaboutmeform=(<<SNAMFORM);
 3384: 	<form action="/adm/coursedocs" method="post" name="supnewaboutme">
 3385: 	<input type="hidden" name="active" value="ff" />
 3386: 	<input type="hidden" name="folderpath" value="$path" />
 3387: 	<input type="hidden" name="importdetail" 
 3388: 	value="$plainname=/adm/$udom/$uname/aboutme" />
 3389: 	<a class="LC_menubuttons_link" href="javascript:document.supnewaboutme.submit()">$lt{'mypi'}</a>
 3390: 	$help{'My Personal Information Page'}
 3391: 	</form>
 3392: SNAMFORM
 3393: 
 3394: 
 3395: my @specialdocs = (
 3396: 		{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/syllabus.png" alt="'.$lt{syll}.'" onclick="document.supnewsyl.submit()" />'
 3397:             =>$supnewsylform},
 3398: 		{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/myaboutme.png" alt="'.$lt{mypi}.'" onclick="document.supnewaboutme.submit()" />'
 3399:             =>$supnewaboutmeform},
 3400: 		);
 3401: my @supimportdoc = (
 3402: 		{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extr}.'" onclick="javascript:makenewext(\'supnewext\');" />'
 3403:             =>$supnewextform},
 3404:         );
 3405: $supupdocform =  &create_form_ul(&create_list_elements(@supimportdoc)) . '<hr/>' . $supupdocform;
 3406: my %suporderhash = (
 3407: 		'00' => ['Supnewfolder', $supnewfolderform],
 3408:                 'ee' => ['Import Documents',$supupdocform],
 3409:                 'ff' => ['Special Documents',&create_form_ul(&create_list_elements(@specialdocs))]
 3410:                 );
 3411:         if ($supplementalflag) {
 3412:            my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype);
 3413:            if ($error) {
 3414:               $r->print('<p><span class="LC_error">'.$error.'</span></p>');
 3415:            }
 3416:            $r->print(&generate_edit_table('2',\%suporderhash));
 3417:         }
 3418:     } elsif ($supplementalflag) {
 3419:         my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype);
 3420:         if ($error) {
 3421:             $r->print('<p><span class="LC_error">'.$error.'</span></p>');
 3422:         }
 3423:     }
 3424: 
 3425:     &endContentScreen($r);
 3426: 
 3427:     if ($allowed) {
 3428: 	$r->print('
 3429: <form method="post" name="extimport" action="/adm/coursedocs">
 3430:   <input type="hidden" name="title" />
 3431:   <input type="hidden" name="url" />
 3432:   <input type="hidden" name="useform" />
 3433:   <input type="hidden" name="residx" />
 3434: </form>');
 3435:     }
 3436:   } else {
 3437:       unless ($uploadphase) {
 3438: # -------------------------------------------------------- This is showdoc mode
 3439:           $r->print("<h1>".&mt('Uploaded Document').' - '.
 3440: 		&Apache::lonnet::gettitle($r->uri).'</h1><p>'.
 3441: &mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><table>".
 3442:           &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table>');
 3443:       }
 3444:   }
 3445:  }
 3446:  $r->print(&Apache::loncommon::end_page());
 3447:  return OK;
 3448: }
 3449: 
 3450: sub embedded_form_elems {
 3451:     my ($phase,$primaryurl,$newidx) = @_;
 3452:     my $folderpath = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 3453:     return <<STATE;
 3454:     <input type="hidden" name="folderpath" value="$folderpath" />
 3455:     <input type="hidden" name="cmd" value="upload_embedded" />
 3456:     <input type="hidden" name="newidx" value="$newidx" />
 3457:     <input type="hidden" name="phase" value="$phase" />
 3458:     <input type="hidden" name="primaryurl" value="$primaryurl" />
 3459: STATE
 3460: }
 3461: 
 3462: sub embedded_destination {
 3463:     my $folder=$env{'form.folder'};
 3464:     my $destination = 'docs/';
 3465:     if ($folder =~ /^supplemental/) {
 3466:         $destination = 'supplemental/';
 3467:     }
 3468:     if (($folder eq 'default') || ($folder eq 'supplemental')) {
 3469:         $destination .= 'default/';
 3470:     } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 3471:         $destination .=  $2.'/';
 3472:     }
 3473:     $destination .= $env{'form.newidx'};
 3474:     my $dir_root = '/userfiles';
 3475:     return ($destination,$dir_root);
 3476: }
 3477: 
 3478: sub return_to_editor {
 3479:     my $actionurl = '/adm/coursedocs';
 3480:     return '<p><form name="backtoeditor" method="post" action="'.$actionurl.'" />'."\n". 
 3481:            '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" /></form>'."\n".
 3482:            '<a href="javascript:document.backtoeditor.submit();">'.&mt('Return to Editor').
 3483:            '</a></p>';
 3484: }
 3485: 
 3486: sub generate_admin_options {
 3487:   my ($help_ref,$env_ref) = @_;
 3488:   my %lt=&Apache::lonlocal::texthash(
 3489:                                          'vc' => 'Verify Content',
 3490:                                          'cv' => 'Check/Set Resource Versions',
 3491:                                          'ls' => 'List Symbs',
 3492:                                          'sl' => 'Show Log',
 3493:                                          'imse' => 'IMS Export',
 3494:                                          'dcd' => 'Dump Course Documents to Construction Space: available on other servers'
 3495:                                           );
 3496:   my %help = %{$help_ref};
 3497:   my %env = %{$env_ref};
 3498:   my $dumpbut=&dumpbutton();
 3499:   my $exportbut=&exportbutton();
 3500:   my @list = (
 3501: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/verify.png" alt="'.$lt{vc}.'"  onclick=\'javascript:injectData(document.courseverify, "dummy", "verify", "'.$lt{'vc'}.'")\' />' 
 3502:         => "<a class='LC_menubuttons_link' href='javascript:injectData(document.courseverify, \"dummy\", \"verify\", \"$lt{'vc'}\")'>$lt{'vc'}</a>$help{'Verify_Content'}"},
 3503: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/resversion.png" alt="'.$lt{cv}.'"  onclick=\'javascript:injectData(document.courseverify, "dummy", "versions", "'.$lt{'cv'}.'")\' />'
 3504:         =>"<a class='LC_menubuttons_link' href='javascript:injectData(document.courseverify, \"dummy\", \"versions\", \"$lt{'cv'}\")'>$lt{'cv'}</a>$help{'Check_Resource_Versions'}"},
 3505: 	);
 3506:   if($dumpbut ne ''){
 3507:   push @list, {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/dump.png" alt="'.$lt{dcd}.'" />'=>$dumpbut};
 3508:   }
 3509:   push @list, ({'<img class="LC_noBorder LC_middle" src="/res/adm/pages/imsexport.png" alt="'.$lt{imse}.'" onclick="javascript:injectData(document.courseverify, \'dummy\', \'exportcourse\', \''.&mt('IMS Export').'\');" />'
 3510:           =>$exportbut},
 3511: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/symbs.png" alt="'.$lt{ls}.'"  onclick=\'javascript:injectData(document.courseverify, "dummy", "listsymbs", "'.$lt{'ls'}.'")\'  />'
 3512:         =>"<a class='LC_menubuttons_link' href='javascript:injectData(document.courseverify, \"dummy\", \"listsymbs\", \"$lt{'ls'}\")'>$lt{'ls'}</a><input type='hidden' name='folder' value='$env{'form.folder'}' />"},
 3513: 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/document-properties.png" alt="'.$lt{sl}.'"  onclick=\'javascript:injectData(document.courseverify, "dummy", "docslog", "'.$lt{'sl'}.'")\'  />'
 3514:         =>"<a class='LC_menubuttons_link' href='javascript:injectData(document.courseverify, \"dummy\", \"docslog\", \"$lt{'sl'}\")'>$lt{'sl'}</a>"},
 3515: 	);
 3516:   return '<form action="/adm/coursedocs" method="post" name="courseverify"><input type="hidden" id="dummy" />'.&create_form_ul(&create_list_elements(@list)).'</form>';
 3517: 
 3518: }
 3519: 
 3520: 
 3521: sub generate_edit_table {
 3522:     my ($tid,$orderhash_ref) = @_;
 3523:     return unless(ref($orderhash_ref) eq 'HASH');
 3524:     my %orderhash = %{$orderhash_ref};
 3525:     my $form;
 3526:     my $activetab;
 3527:     my $active;
 3528:     if($env{'form.active'} ne ''){
 3529:         $activetab = $env{'form.active'};
 3530:     }
 3531:     $form = '<div class="LC_Box" style="margin-right:0">';
 3532:     $form .= '<ul id="navigation'.$tid.'" class="LC_TabContent">';
 3533:     foreach my $name (sort(keys(%orderhash))){
 3534:         if($name ne '00'){
 3535:             if($activetab eq '' || $activetab ne $name){
 3536:                $active = '';
 3537:             }elsif($activetab eq $name){
 3538:                $active = 'class="active"';
 3539:             }
 3540:             $form .= '<li '.$active
 3541:                 .' onmouseover="javascript:showPage(this, \''.$name.$tid.'\', \'navigation'.$tid.'\',\'content'.$tid.'\');"'
 3542:                 .' onclick="javascript:showPage(this, \''.$name.$tid.'\', \'navigation'.$tid.'\',\'content'.$tid.'\');"><a href="javascript:;"><b>'.&mt(${$orderhash{$name}}[0]).'</b></a></li>';
 3543:         } else {
 3544: 	    $form .= '<li '.$active.'>'.${$orderhash{$name}}[1].'</li>';
 3545: 
 3546: 	}
 3547:     }
 3548:     $form .= '</ul>';
 3549:     $form .= '<div id="content'.$tid.'" style="padding: 0 0; margin: 0 0; clear: both;">';
 3550:     foreach my $field (keys(%orderhash)){
 3551: 	if($field ne '00'){
 3552:             if($activetab eq '' || $activetab ne $field){
 3553:                 $active = 'style="display: none;"';
 3554:             }elsif($activetab eq $field){
 3555:                 $active = 'style="display:block;"';
 3556:             }
 3557:             $form .= '<div id="'.$field.$tid.'"'
 3558:                     .' class="LC_ContentBox" '.$active.'>'.${$orderhash{$field}}[1]
 3559:                     .'</div>';
 3560:         }
 3561:     }
 3562:     $form .= '</div></div>';
 3563: 
 3564:     return $form;
 3565: }
 3566: 
 3567: sub editing_js {
 3568:     my ($udom,$uname) = @_;
 3569:     my $now = time();
 3570:     my %lt = &Apache::lonlocal::texthash(
 3571:                                           p_mnf => 'Name of New Folder',
 3572:                                           t_mnf => 'New Folder',
 3573:                                           p_mnp => 'Name of New Page',
 3574:                                           t_mnp => 'New Page',
 3575:                                           p_mxu => 'Title for the Uploaded Score',
 3576:                                           p_msp => 'Name of Simple Course Page',
 3577:                                           p_msb => 'Title for the Problem',
 3578:                                           p_mdb => 'Title for the Drop Box',
 3579:                                           p_mbb => 'Title for the Discussion Board',
 3580:                                           p_mab => "Enter user:domain for User's Personal Information Page",
 3581:                                           p_mab2 => 'Personal Information Page of ',
 3582:                                           p_mab_alrt1 => 'Not a valid user:domain',
 3583:                                           p_mab_alrt2 => 'Please enter both user and domain in the format user:domain',
 3584:                                           p_chn => 'New Title',
 3585:                                           p_rmr1 => 'WARNING: Removing a resource makes associated grades and scores inaccessible!',
 3586:                                           p_rmr2a => 'Remove[_99]',
 3587:                                           p_rmr2b => '?[_99]',
 3588:                                           p_ctr1a => 'WARNING: Cutting a resource makes associated grades and scores inaccessible!',
 3589:                                           p_ctr1b => 'Grades remain inaccessible if resource is pasted into another folder.',
 3590:                                           p_ctr2a => 'Cut[_98]',
 3591:                                           p_ctr2b => '?[_98]'
 3592:                                         );
 3593: 
 3594:     my $crstype = &Apache::loncommon::course_type();
 3595:     my $docs_folderpath = &HTML::Entities::encode($env{'environment.internal.'.$env{'request.course.id'}.'.docs_folderpath.folderpath'},'<>&"');
 3596:     my $docs_pagepath = &HTML::Entities::encode($env{'environment.internal.'.$env{'request.course.id'}.'.docs_folderpath.pagepath'},'<>&"');
 3597:     my $main_container_page;
 3598:     if ($docs_folderpath eq '') {
 3599:         if ($docs_pagepath ne '') {
 3600:             $main_container_page = 1;
 3601:         }
 3602:     }
 3603:     my $toplevelmain = 'default&Main%20'.$crstype.'%20Documents';
 3604:     my $toplevelsupp = 'supplemental&Supplemental%20'.$crstype.'%20Documents';
 3605: 
 3606:     return <<ENDNEWSCRIPT;
 3607: function makenewfolder(targetform,folderseq) {
 3608:     var foldername=prompt('$lt{"p_mnf"}','$lt{"t_mnf"}');
 3609:     if (foldername) {
 3610:        targetform.importdetail.value=escape(foldername)+"="+folderseq;
 3611:         targetform.submit();
 3612:     }
 3613: }
 3614: 
 3615: function makenewpage(targetform,folderseq) {
 3616:     var pagename=prompt('$lt{"p_mnp"}','$lt{"t_mnp"}');
 3617:     if (pagename) {
 3618:         targetform.importdetail.value=escape(pagename)+"="+folderseq;
 3619:         targetform.submit();
 3620:     }
 3621: }
 3622: 
 3623: function makenewext(targetname) {
 3624:     this.document.forms.extimport.useform.value=targetname;
 3625:     this.document.forms.extimport.title.value='';
 3626:     this.document.forms.extimport.url.value='';
 3627:     this.document.forms.extimport.residx.value='';
 3628:     window.open('/adm/rat/extpickframe.html');
 3629: }
 3630: 
 3631: function edittext(targetname,residx,title,url) {
 3632:     this.document.forms.extimport.useform.value=targetname;
 3633:     this.document.forms.extimport.residx.value=residx;
 3634:     this.document.forms.extimport.url.value=url;
 3635:     this.document.forms.extimport.title.value=title;
 3636:     window.open('/adm/rat/extpickframe.html');
 3637: }
 3638: 
 3639: function makeexamupload() {
 3640:    var title=prompt('$lt{"p_mxu"}');
 3641:    if (title) {
 3642:     this.document.forms.newexamupload.importdetail.value=
 3643: 	escape(title)+'=/res/lib/templates/examupload.problem';
 3644:     this.document.forms.newexamupload.submit();
 3645:    }
 3646: }
 3647: 
 3648: function makesmppage() {
 3649:    var title=prompt('$lt{"p_msp"}');
 3650:    if (title) {
 3651:     this.document.forms.newsmppg.importdetail.value=
 3652: 	escape(title)+'=/adm/$udom/$uname/$now/smppg';
 3653:     this.document.forms.newsmppg.submit();
 3654:    }
 3655: }
 3656: 
 3657: function makesmpproblem() {
 3658:    var title=prompt('$lt{"p_msb"}');
 3659:    if (title) {
 3660:     this.document.forms.newsmpproblem.importdetail.value=
 3661: 	escape(title)+'=/res/lib/templates/simpleproblem.problem';
 3662:     this.document.forms.newsmpproblem.submit();
 3663:    }
 3664: }
 3665: 
 3666: function makedropbox() {
 3667:    var title=prompt('$lt{"p_mdb"}');
 3668:    if (title) {
 3669:     this.document.forms.newdropbox.importdetail.value=
 3670:         escape(title)+'=/res/lib/templates/DropBox.problem';
 3671:     this.document.forms.newdropbox.submit();
 3672:    }
 3673: }
 3674: 
 3675: function makebulboard() {
 3676:    var title=prompt('$lt{"p_mbb"}');
 3677:    if (title) {
 3678:     this.document.forms.newbul.importdetail.value=
 3679: 	escape(title)+'=/adm/$udom/$uname/$now/bulletinboard';
 3680:     this.document.forms.newbul.submit();
 3681:    }
 3682: }
 3683: 
 3684: function makeabout() {
 3685:    var user=prompt("$lt{'p_mab'}");
 3686:    if (user) {
 3687:        var comp=new Array();
 3688:        comp=user.split(':');
 3689:        if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {
 3690: 	   if ((comp[0]) && (comp[1])) {
 3691: 	       this.document.forms.newaboutsomeone.importdetail.value=
 3692: 		   '$lt{"p_mab2"}'+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
 3693:        this.document.forms.newaboutsomeone.submit();
 3694:    } else {
 3695:        alert("$lt{'p_mab_alrt1'}");
 3696:    }
 3697: } else {
 3698:    alert("$lt{'p_mab_alrt2'}");
 3699: }
 3700: }
 3701: }
 3702: 
 3703: function makeims() {
 3704: var caller = document.forms.ims.folder.value;
 3705: var newlocation = "/adm/imsimportdocs?folder="+caller+"&phase=one";
 3706: newWindow = window.open("","IMSimport","HEIGHT=700,WIDTH=750,scrollbars=yes");
 3707: newWindow.location.href = newlocation;
 3708: }
 3709: 
 3710: 
 3711: function finishpick() {
 3712: var title=this.document.forms.extimport.title.value;
 3713: var url=this.document.forms.extimport.url.value;
 3714: var form=this.document.forms.extimport.useform.value;
 3715: var residx=this.document.forms.extimport.residx.value;
 3716: eval('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+'='+residx+'";this.document.forms.'+form+'.submit();');
 3717: }
 3718: 
 3719: function changename(folderpath,index,oldtitle,container,pagesymb) {
 3720: var title=prompt('$lt{"p_chn"}',oldtitle);
 3721: if (title) {
 3722: this.document.forms.renameform.markcopy.value=-1;
 3723: this.document.forms.renameform.title.value=title;
 3724: this.document.forms.renameform.cmd.value='rename_'+index;
 3725: if (container == 'sequence') {
 3726:     this.document.forms.renameform.folderpath.value=folderpath;
 3727: }
 3728: if (container == 'page') {
 3729:     this.document.forms.renameform.pagepath.value=folderpath;
 3730:     this.document.forms.renameform.pagesymb.value=pagesymb;
 3731: }
 3732: this.document.forms.renameform.submit();
 3733: }
 3734: }
 3735: 
 3736: function removeres(folderpath,index,oldtitle,container,pagesymb,skip_confirm) {
 3737: if (skip_confirm || confirm('$lt{"p_rmr1"}\\n\\n$lt{"p_rmr2a"} "'+oldtitle+'" $lt{"p_rmr2b"}')) {
 3738: this.document.forms.renameform.markcopy.value=-1;
 3739: this.document.forms.renameform.cmd.value='del_'+index;
 3740: if (container == 'sequence') {
 3741:     this.document.forms.renameform.folderpath.value=folderpath;
 3742: }
 3743: if (container == 'page') {
 3744:     this.document.forms.renameform.pagepath.value=folderpath;
 3745:     this.document.forms.renameform.pagesymb.value=pagesymb;
 3746: }
 3747: this.document.forms.renameform.submit();
 3748: }
 3749: }
 3750: 
 3751: function cutres(folderpath,index,oldtitle,container,pagesymb,folder,skip_confirm) {
 3752: if (skip_confirm || confirm('$lt{"p_ctr1a"}\\n$lt{"p_ctr1b"}\\n\\n$lt{"p_ctr2a"} "'+oldtitle+'" $lt{"p_ctr2b"}')) {
 3753: this.document.forms.renameform.cmd.value='cut_'+index;
 3754: this.document.forms.renameform.markcopy.value=index;
 3755: this.document.forms.renameform.copyfolder.value=folder+'.'+container;
 3756: if (container == 'sequence') {
 3757:     this.document.forms.renameform.folderpath.value=folderpath;
 3758: }
 3759: if (container == 'page') {
 3760:     this.document.forms.renameform.pagepath.value=folderpath;
 3761:     this.document.forms.renameform.pagesymb.value=pagesymb;
 3762: }
 3763: this.document.forms.renameform.submit();
 3764: }
 3765: }
 3766: 
 3767: function markcopy(folderpath,index,oldtitle,container,pagesymb,folder) {
 3768: this.document.forms.renameform.markcopy.value=index;
 3769: this.document.forms.renameform.copyfolder.value=folder+'.'+container;
 3770: if (container == 'sequence') {
 3771: this.document.forms.renameform.folderpath.value=folderpath;
 3772: }
 3773: if (container == 'page') {
 3774: this.document.forms.renameform.pagepath.value=folderpath;
 3775: this.document.forms.renameform.pagesymb.value=pagesymb;
 3776: }
 3777: this.document.forms.renameform.submit();
 3778: }
 3779: 
 3780: function unselectInactive(nav) {
 3781: currentNav = document.getElementById(nav);
 3782: currentLis = currentNav.getElementsByTagName('LI');
 3783: for (i = 0; i < currentLis.length; i++) {
 3784: 	if(currentLis[i].className == 'right active' || currentLis[i].className == 'right'){
 3785: 		currentLis[i].className = 'right';
 3786: 	}else{
 3787: 		currentLis[i].className = 'i';
 3788: 	}
 3789: }
 3790: }
 3791: 
 3792: function hideAll(current, nav, data) {
 3793: unselectInactive(nav);
 3794: if(current.className == 'right'){
 3795: 	current.className = 'right active'
 3796: 	}else{
 3797: 	current.className = 'active';
 3798: }
 3799: currentData = document.getElementById(data);
 3800: currentDivs = currentData.getElementsByTagName('DIV');
 3801: for (i = 0; i < currentDivs.length; i++) {
 3802: 	if(currentDivs[i].className == 'LC_ContentBox'){
 3803: 		currentDivs[i].style.display = 'none';
 3804: 	}
 3805: }
 3806: }
 3807: 
 3808: function openTabs(pageId) {
 3809: 	tabnav = document.getElementById(pageId).getElementsByTagName('UL');	
 3810: 	if(tabnav.length > 2 ){
 3811: 		currentNav = document.getElementById(tabnav[1].id);
 3812: 		currentLis = currentNav.getElementsByTagName('LI');
 3813: 		for(i = 0; i< currentLis.length; i++){
 3814: 			if(currentLis[i].className == 'active') {
 3815: 				funcString = currentLis[i].onclick.toString();
 3816: 				tab = funcString.split('"');
 3817:                                 if(tab.length < 2) {
 3818:                                    tab = funcString.split("'");
 3819:                                 }
 3820: 				currentData = document.getElementById(tab[1]);
 3821:         			currentData.style.display = 'block';
 3822: 			}	
 3823: 		}
 3824: 	}
 3825: }
 3826: 
 3827: function showPage(current, pageId, nav, data) {
 3828: 	hideAll(current, nav, data);
 3829: 	openTabs(pageId);
 3830: 	unselectInactive(nav);
 3831: 	current.className = 'active';
 3832: 	currentData = document.getElementById(pageId);
 3833: 	currentData.style.display = 'block';
 3834:         if (nav == 'mainnav') {
 3835:             var storedpath = "$docs_folderpath";
 3836:             if (storedpath == '') {
 3837:                 storedpath = "$docs_pagepath";
 3838:             }
 3839:             var storedpage = "$main_container_page";
 3840:             var reg = new RegExp("^supplemental");
 3841:             if (pageId == 'mainCourseDocuments') {
 3842:                 if (storedpage == 1) {
 3843:                     document.simpleedit.folderpath.value = '';
 3844:                     document.uploaddocument.folderpath.value = '';
 3845:                 } else {
 3846:                     if (reg.test(storedpath)) {
 3847:                         document.simpleedit.folderpath.value = '$toplevelmain';
 3848:                         document.uploaddocument.folderpath.value = '$toplevelmain';
 3849:                         document.newext.folderpath.value = '$toplevelmain';
 3850:                     } else {
 3851:                         document.simpleedit.folderpath.value = storedpath;
 3852:                         document.uploaddocument.folderpath.value = storedpath;
 3853:                         document.newext.folderpath.value = storedpath;
 3854:                     }
 3855:                 }
 3856:             } else {
 3857:                 if (reg.test(storedpath)) {
 3858:                     document.simpleedit.folderpath.value = storedpath;
 3859:                     document.supuploaddocument.folderpath.value = storedpath;
 3860:                     document.supnewext.folderpath.value = storedpath;
 3861:                 } else {
 3862:                     document.simpleedit.folderpath.value = '$toplevelsupp';
 3863:                     document.supuploaddocument.folderpath.value = '$toplevelsupp';
 3864:                     document.supnewext.folderpath.value = '$toplevelsupp';
 3865:                 }
 3866:             }
 3867:         }
 3868: 	return false;
 3869: }
 3870: 
 3871: function injectData(current, hiddenField, name, value) {
 3872: 	currentElement = document.getElementById(hiddenField);
 3873: 	currentElement.name = name;
 3874: 	currentElement.value = value;
 3875: 	current.submit();
 3876: }
 3877: 
 3878: ENDNEWSCRIPT
 3879: }
 3880: 1;
 3881: __END__
 3882: 
 3883: 
 3884: =head1 NAME
 3885: 
 3886: Apache::londocs.pm
 3887: 
 3888: =head1 SYNOPSIS
 3889: 
 3890: This is part of the LearningOnline Network with CAPA project
 3891: described at http://www.lon-capa.org.
 3892: 
 3893: =head1 SUBROUTINES
 3894: 
 3895: =over
 3896: 
 3897: =item %help=()
 3898: 
 3899: Available help topics
 3900: 
 3901: =item mapread()
 3902: 
 3903: Mapread read maps into LONCAPA::map:: global arrays
 3904: @order and @resources, determines status
 3905: sets @order - pointer to resources in right order
 3906: sets @resources - array with the resources with correct idx
 3907: 
 3908: =item authorhosts()
 3909: 
 3910: Return hash with valid author names
 3911: 
 3912: =item dumpbutton()
 3913: 
 3914: Generate "dump" button
 3915: 
 3916: =item clean()
 3917: 
 3918: =item dumpcourse()
 3919: 
 3920:     Actually dump course
 3921: 
 3922: 
 3923: =item exportbutton()
 3924: 
 3925:     Generate "export" button
 3926: 
 3927: =item exportcourse()
 3928: 
 3929: =item create_ims_store()
 3930: 
 3931: =item build_package()
 3932: 
 3933: =item get_dependencies()
 3934: 
 3935: =item process_content()
 3936: 
 3937: =item replicate_content()
 3938: 
 3939: =item extract_media()
 3940: 
 3941: =item store_template()
 3942: 
 3943: =item group_import()
 3944: 
 3945:     Imports the given (name, url) resources into the course
 3946:     coursenum, coursedom, and folder must precede the list
 3947: 
 3948: =item breadcrumbs()
 3949: 
 3950: =item log_docs()
 3951: 
 3952: =item docs_change_log()
 3953: 
 3954: =item update_paste_buffer()
 3955: 
 3956: =item print_paste_buffer()
 3957: 
 3958: =item do_paste_from_buffer()
 3959: 
 3960: =item update_parameter()
 3961: 
 3962: =item handle_edit_cmd()
 3963: 
 3964: =item editor()
 3965: 
 3966: =item process_file_upload()
 3967: 
 3968: =item process_secondary_uploads()
 3969: 
 3970: =item is_supplemental_title()
 3971: 
 3972: =item parse_supplemental_title()
 3973: 
 3974: =item entryline()
 3975: 
 3976: =item tiehash()
 3977: 
 3978: =item untiehash()
 3979: 
 3980: =item checkonthis()
 3981: 
 3982: check on this
 3983: 
 3984: =item verifycontent()
 3985: 
 3986: Verify Content
 3987: 
 3988: =item devalidateversioncache() & checkversions()
 3989: 
 3990: Check Versions
 3991: 
 3992: =item mark_hash_old()
 3993: 
 3994: =item is_hash_old()
 3995: 
 3996: =item changewarning()
 3997: 
 3998: =item init_breadcrumbs()
 3999: 
 4000: Breadcrumbs for special functions
 4001: 
 4002: =back
 4003: 
 4004: =cut

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