File:  [LON-CAPA] / loncom / interface / londocs.pm
Revision 1.355: download - view: text, annotated - select for diffs
Tue Mar 10 22:15:43 2009 UTC (15 years, 2 months ago) by ehlerst
Branches: MAIN
CVS tags: HEAD
Insert hidden form field with the name "suppactive", to keep supplemental course documents tab active, when a form from the supp course docs is used.

    1: # The LearningOnline Network
    2: # Documents
    3: #
    4: # $Id: londocs.pm,v 1.355 2009/03/10 22:15:43 ehlerst Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: 
   30: 
   31: package Apache::londocs;
   32: 
   33: use strict;
   34: use Apache::Constants qw(:common :http);
   35: use Apache::imsexport;
   36: use Apache::lonnet;
   37: use Apache::loncommon;
   38: use LONCAPA::map();
   39: use Apache::lonratedt();
   40: use Apache::lonxml;
   41: use Apache::lonclonecourse;
   42: use Apache::lonnavmaps;
   43: use HTML::Entities;
   44: use GDBM_File;
   45: use Apache::lonlocal;
   46: use Cwd;
   47: use LONCAPA qw(:DEFAULT :match);
   48: 
   49: my $iconpath;
   50: 
   51: my %hash;
   52: 
   53: my $hashtied;
   54: my %alreadyseen=();
   55: 
   56: my $hadchanges;
   57: 
   58: 
   59: my %help=();
   60: 
   61: 
   62: sub mapread {
   63:     my ($coursenum,$coursedom,$map)=@_;
   64:     return
   65:       &LONCAPA::map::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   66: 			     $map);
   67: }
   68: 
   69: sub storemap {
   70:     my ($coursenum,$coursedom,$map)=@_;
   71:     my ($outtext,$errtext)=
   72:       &LONCAPA::map::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   73: 			      $map,1);
   74:     if ($errtext) { return ($errtext,2); }
   75:     
   76:     $hadchanges=1;
   77:     return ($errtext,0);
   78: }
   79: 
   80: 
   81: 
   82: sub authorhosts {
   83:     my %outhash=();
   84:     my $home=0;
   85:     my $other=0;
   86:     foreach my $key (keys(%env)) {
   87: 	if ($key=~/^user\.role\.(au|ca)\.(.+)$/) {
   88: 	    my $role=$1;
   89: 	    my $realm=$2;
   90: 	    my ($start,$end)=split(/\./,$env{$key});
   91: 	    if (($start) && ($start>time)) { next; }
   92: 	    if (($end) && (time>$end)) { next; }
   93: 	    my ($ca,$cd);
   94: 	    if ($1 eq 'au') {
   95: 		$ca=$env{'user.name'};
   96: 		$cd=$env{'user.domain'};
   97: 	    } else {
   98: 		($cd,$ca)=($realm=~/^\/($match_domain)\/($match_username)$/);
   99: 	    }
  100: 	    my $allowed=0;
  101: 	    my $myhome=&Apache::lonnet::homeserver($ca,$cd);
  102: 	    my @ids=&Apache::lonnet::current_machine_ids();
  103: 	    foreach my $id (@ids) { if ($id eq $myhome) { $allowed=1; } }
  104: 	    if ($allowed) {
  105: 		$home++;
  106: 		$outhash{'home_'.$ca.'@'.$cd}=1;
  107: 	    } else {
  108: 		$outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;
  109: 		$other++;
  110: 	    }
  111: 	}
  112:     }
  113:     return ($home,$other,%outhash);
  114: }
  115: 
  116: 
  117: sub dumpbutton {
  118:     my ($home,$other,%outhash)=&authorhosts();
  119:     my $type = &Apache::loncommon::course_type();
  120:     if ($home+$other==0) { return ''; }
  121:     if ($home) {
  122: 	return '<input type="submit" name="dumpcourse" value="'.
  123: 	    &mt('Dump '.$type.' DOCS to Construction Space').'" />'.
  124: 	    &Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs');
  125:     } else {
  126: 	return '<div>'.
  127:      &mt('Dump '.$type.
  128: 	 ' DOCS to Construction Space: available on other servers').
  129: 	 '</div>';
  130:     }
  131: }
  132: 
  133: sub clean {
  134:     my ($title)=@_;
  135:     $title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
  136:     return $title;
  137: }
  138: 
  139: 
  140: 
  141: sub dumpcourse {
  142:     my ($r) = @_;
  143:     my $type = &Apache::loncommon::course_type();
  144:     $r->print(&Apache::loncommon::start_page('Dump '.$type.' DOCS to Construction Space').
  145: 	      '<form name="dumpdoc" method="post">');
  146:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Dump '.$type.' DOCS to Construction Space'));
  147:     my ($home,$other,%outhash)=&authorhosts();
  148:     unless ($home) { return ''; }
  149:     my $origcrsid=$env{'request.course.id'};
  150:     my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
  151:     if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
  152: # Do the dumping
  153: 	unless ($outhash{'home_'.$env{'form.authorspace'}}) { return ''; }
  154: 	my ($ca,$cd)=split(/\@/,$env{'form.authorspace'});
  155: 	$r->print('<h3>'.&mt('Copying Files').'</h3>');
  156: 	my $title=$env{'form.authorfolder'};
  157: 	$title=&clean($title);
  158: 	my %replacehash=();
  159: 	foreach my $key (keys(%env)) {
  160: 	    if ($key=~/^form\.namefor\_(.+)/) {
  161: 		$replacehash{$1}=$env{$key};
  162: 	    }
  163: 	}
  164: 	my $crs='/uploaded/'.$env{'request.course.id'}.'/';
  165: 	$crs=~s/\_/\//g;
  166: 	foreach my $item (keys(%replacehash)) {
  167: 	    my $newfilename=$title.'/'.$replacehash{$item};
  168: 	    $newfilename=~s/\.(\w+)$//;
  169: 	    my $ext=$1;
  170: 	    $newfilename=&clean($newfilename);
  171: 	    $newfilename.='.'.$ext;
  172: 	    my @dirs=split(/\//,$newfilename);
  173: 	    my $path='/home/'.$ca.'/public_html';
  174: 	    my $makepath=$path;
  175: 	    my $fail=0;
  176: 	    for (my $i=0;$i<$#dirs;$i++) {
  177: 		$makepath.='/'.$dirs[$i];
  178: 		unless (-e $makepath) {
  179: 		    unless(mkdir($makepath,0777)) { $fail=1; }
  180: 		}
  181: 	    }
  182: 	    $r->print('<br /><tt>'.$item.'</tt> => <tt>'.$newfilename.'</tt>: ');
  183: 	    if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
  184: 		if ($item=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
  185: 		    print $fh &Apache::lonclonecourse::rewritefile(
  186:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$item),
  187: 				     (%replacehash,$crs => '')
  188: 								    );
  189: 		} else {
  190: 		    print $fh
  191:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$item);
  192: 		       }
  193: 		$fh->close();
  194: 	    } else {
  195: 		$fail=1;
  196: 	    }
  197: 	    if ($fail) {
  198: 		$r->print('<span class="LC_error">'.&mt('fail').'</span>');
  199: 	    } else {
  200: 		$r->print('<span class="LC_success">'.&mt('ok').'</span>');
  201: 	    }
  202: 	}
  203:     } else {
  204: # Input form
  205: 	unless ($home==1) {
  206: 	    $r->print(
  207: 		      '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');
  208: 	}
  209: 	foreach my $key (sort(keys(%outhash))) {
  210: 	    if ($key=~/^home_(.+)$/) {
  211: 		if ($home==1) {
  212: 		    $r->print(
  213: 		  '<input type="hidden" name="authorspace" value="'.$1.'" />');
  214: 		} else {
  215: 		    $r->print('<option value="'.$1.'">'.$1.' - '.
  216: 			      &Apache::loncommon::plainname(split(/\@/,$1)).'</option>');
  217: 		}
  218: 	    }
  219: 	}
  220: 	unless ($home==1) {
  221: 	    $r->print('</select>');
  222: 	}
  223: 	my $title=$origcrsdata{'description'};
  224: 	$title=~s/[\/\s]+/\_/gs;
  225: 	$title=&clean($title);
  226: 	$r->print('<h3>'.&mt('Folder in Construction Space').'</h3>'
  227:                  .'<input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
  228: 	&tiehash();
  229: 	$r->print('<h3>'.&mt('Filenames in Construction Space').'</h3>'
  230:                  .&Apache::loncommon::start_data_table()
  231:                  .&Apache::loncommon::start_data_table_header_row()
  232:                  .'<th>'.&mt('Internal Filename').'</th>'
  233:                  .'<th>'.&mt('Title').'</th>'
  234:                  .'<th>'.&mt('Save as ...').'</th>'
  235:                  .&Apache::loncommon::end_data_table_header_row());
  236: 	foreach my $file (&Apache::lonclonecourse::crsdirlist($origcrsid,'userfiles')) {
  237: 	    $r->print(&Apache::loncommon::start_data_table_row()
  238:                      .'<td>'.$file.'</td>');
  239: 	    my ($ext)=($file=~/\.(\w+)$/);
  240: 	    my $title=$hash{'title_'.$hash{
  241: 		'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$file}};
  242: 	    $r->print('<td>'.($title?$title:'&nbsp;').'</td>');
  243: 	    if (!$title) {
  244: 		$title=$file;
  245: 	    } else {
  246: 		$title=~s|/|_|g;
  247: 	    }
  248: 	    $title=~s/\.(\w+)$//;
  249: 	    $title=&clean($title);
  250: 	    $title.='.'.$ext;
  251: 	    $r->print("\n<td><input type='text' size='60' name='namefor_".$file."' value='".$title."' /></td>"
  252:                      .&Apache::loncommon::end_data_table_row());
  253: 	}
  254: 	$r->print(&Apache::loncommon::end_data_table());
  255: 	&untiehash();
  256: 	$r->print(
  257:   '<p><input type="submit" name="dumpcourse" value="'.&mt("Dump $type DOCS").'" /></p></form>');
  258:     }
  259: }
  260: 
  261: 
  262: 
  263: sub exportbutton {
  264:     my $type = &Apache::loncommon::course_type();
  265:     return '<input type="submit" name="exportcourse" value="'.
  266:             &mt('Export '.$type.' to IMS').'" />'.
  267:     &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs');
  268: }
  269: 
  270: 
  271: 
  272: sub exportcourse {
  273:     my $r=shift;
  274:     my $type = &Apache::loncommon::course_type();
  275:     my %discussiontime = &Apache::lonnet::dump('discussiontimes',
  276:                                                $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
  277:     my $numdisc = keys(%discussiontime);
  278:     my $navmap = Apache::lonnavmaps::navmap->new();
  279:     if (!defined($navmap)) {
  280:         $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package').
  281:                   '<h2>IMS Export Failed</h2>'.
  282:                   '<div class="LC_error">'.
  283:                   &mt('Unable to retrieve information about course contents').
  284:                   '</div><a href="/adm/coursedocs">'.&mt('Return to Course Editor').'</a>');
  285:         &Apache::lonnet::logthis('IMS export failed - could not create navmap object in '.lc($type).':'.$env{'request.course.id'});
  286:         return;
  287:     }
  288:     my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
  289:     my $curRes;
  290:     my $outcome;
  291: 
  292:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  293:                                             ['finishexport']);
  294:     if ($env{'form.finishexport'}) {
  295:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  296:                                             ['archive','discussion']);
  297: 
  298:         my @exportitems = &Apache::loncommon::get_env_multiple('form.archive');
  299:         my @discussions = &Apache::loncommon::get_env_multiple('form.discussion');
  300:         if (@exportitems == 0 && @discussions == 0) {
  301:             $outcome = '<br />As you did not select any content items or discussions for export, an IMS package has not been created.  Please <a href="javascript:history.go(-1)">go back</a> to select either content items or discussions for export';
  302:         } else {
  303:             my $now = time;
  304:             my %symbs;
  305:             my $manifestok = 0;
  306:             my $imsresources;
  307:             my $tempexport;
  308:             my $copyresult;
  309:             my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
  310:             if ($manifestok) {
  311:                 &build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest);
  312:                 close($ims_manifest);
  313: 
  314: #Create zip file in prtspool
  315:                 my $imszipfile = '/prtspool/'.
  316:                 $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
  317:                    time.'_'.rand(1000000000).'.zip';
  318:                 my $cwd = &Cwd::getcwd();
  319:                 my $imszip = '/home/httpd/'.$imszipfile;
  320:                 chdir $tempexport;
  321:                 open(OUTPUT, "zip -r $imszip *  2> /dev/null |");
  322:                 close(OUTPUT);
  323:                 chdir $cwd;
  324:                 $outcome .= &mt('Download the zip file from <a href="[_1]">IMS '.lc($type).' archive</a><br />',$imszipfile,);
  325:                 if ($copyresult) {
  326:                     $outcome .= &mt('The following errors occurred during export - [_1]',$copyresult);
  327:                 }
  328:             } else {
  329:                 $outcome = '<br />'.&mt('Unfortunately you will not be able to retrieve an IMS archive of this posts at this time, because there was a problem creating a manifest file.').'<br />';
  330:             }
  331:         }
  332:         $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package'));
  333: 	$r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
  334:         $r->print($outcome);
  335:         $r->print(&Apache::loncommon::end_page());
  336:     } else {
  337:         my $display;
  338:         $display = '<form name="exportdoc" method="post">'."\n";
  339:         $display .= &mt('Choose which items you wish to export from your '.$type.'.<br /><br />');
  340:         $display .= '<table border="0" cellspacing="0" cellpadding="3">'.
  341:                     '<tr><td><fieldset><legend>&nbsp;<b>Content items</b></legend>'.
  342:                     '<input type="button" value="check all" '.
  343:                     'onclick="javascript:checkAll(document.exportdoc.archive)" />'.
  344:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  345:                     ' onclick="javascript:uncheckAll(document.exportdoc.archive)" /></fieldset></td>'.
  346:                     '<td>&nbsp;</td><td>&nbsp;</td>'.
  347:                     '<td align="right"><fieldset><legend>&nbsp;<b>Discussion posts'.
  348:                     '</b></legend><input type="button" value="check all"'.
  349:                     ' onclick="javascript:checkAll(document.exportdoc.discussion)" />'.
  350:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  351:                     ' onclick="javascript:uncheckAll(document.exportdoc.discussion)" /></fieldset></td>'.
  352:                     '</tr></table>';
  353:         my $curRes;
  354:         my $depth = 0;
  355:         my $count = 0;
  356:         my $boards = 0;
  357:         my $startcount = 5;
  358:         my %parent = ();
  359:         my %children = ();
  360:         my $lastcontainer = $startcount;
  361:         my @bgcolors = ('#F6F6F6','#FFFFFF');
  362:         $display .= '<table cellspacing="0"><tr>'.
  363:             '<td><b>Export content item?<br /></b></td><td>&nbsp;</td><td align="right">'."\n";
  364:         if ($numdisc > 0) {
  365:             $display.='<b>Export&nbsp;discussion posts?</b>'."\n";
  366:         }
  367:         $display.='&nbsp;</td></tr>';
  368:         while ($curRes = $it->next()) {
  369:             if (ref($curRes)) {
  370:                 $count ++;
  371:             }
  372:             if ($curRes == $it->BEGIN_MAP()) {
  373:                 $depth++;
  374:                 $parent{$depth} = $lastcontainer;
  375:             }
  376:             if ($curRes == $it->END_MAP()) {
  377:                 $depth--;
  378:                 $lastcontainer = $parent{$depth};
  379:             }
  380:             if (ref($curRes)) {
  381:                 my $symb = $curRes->symb();
  382:                 my $ressymb = $symb;
  383:                 if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
  384:                     unless ($ressymb =~ m|adm/wrapper/adm|) {
  385:                         $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  386:                     }
  387:                 }
  388:                 my $color = $count%2;
  389:                 $display .='<tr bgcolor='.$bgcolors[$color].'><td>'."\n".
  390:                     '<input type="checkbox" name="archive" value="'.$count.'" ';
  391:                 if (($curRes->is_sequence()) || ($curRes->is_page())) {
  392:                     my $checkitem = $count + $boards + $startcount;
  393:                     $display .= 'onClick="javascript:propagateCheck('."'$checkitem'".')"';
  394:                 }
  395:                 $display .= ' />'."\n";
  396:                 for (my $i=0; $i<$depth; $i++) {
  397:                     $display .= '<img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" /><img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" />'."\n";
  398:                 }
  399:                 if ($curRes->is_sequence()) {
  400:                     $display .= '<img src="/adm/lonIcons/navmap.folder.open.gif">&nbsp;'."\n";
  401:                     $lastcontainer = $count + $startcount + $boards;
  402:                 } elsif ($curRes->is_page()) {
  403:                     $display .= '<img src="/adm/lonIcons/navmap.page.open.gif">&nbsp;'."\n";
  404:                     $lastcontainer = $count + $startcount + $boards;
  405:                 }
  406:                 my $currelem = $count+$boards+$startcount;
  407:                 $children{$parent{$depth}} .= $currelem.':';
  408:                 $display .= '&nbsp;'.$curRes->title().'</td>';
  409:                 if ($discussiontime{$ressymb} > 0) {
  410:                     $boards ++;
  411:                     $currelem = $count+$boards+$startcount;
  412:                     $display .= '<td>&nbsp;</td><td align="right"><input type="checkbox" name="discussion" value="'.$count.'" />&nbsp;</td>'."\n";
  413:                 } else {
  414:                     $display .= '<td colspan="2">&nbsp;</td>'."\n";
  415:                 }
  416:             }
  417:         }
  418:         my $scripttag = qq|
  419: <script>
  420: 
  421: function checkAll(field) {
  422:     if (field.length > 0) {
  423:         for (i = 0; i < field.length; i++) {
  424:             field[i].checked = true ;
  425:         }
  426:     } else {
  427:         field.checked = true
  428:     }
  429: }
  430:                                                                                 
  431: function uncheckAll(field) {
  432:     if (field.length > 0) {
  433:         for (i = 0; i < field.length; i++) {
  434:             field[i].checked = false ;
  435:         }
  436:     } else {
  437:         field.checked = false ;
  438:     }
  439: }
  440: 
  441: function propagateCheck(item) {
  442:     if (document.exportdoc.elements[item].checked == true) {
  443:         containerCheck(item)
  444:     }
  445: } 
  446: 
  447: function containerCheck(item) {
  448:     document.exportdoc.elements[item].checked = true
  449:     var numitems = $count + $boards + $startcount
  450:     var parents = new Array(numitems)
  451:     for (var i=$startcount; i<numitems; i++) {
  452:         parents[i] = new Array
  453:     }
  454:         |;
  455: 
  456:         foreach my $container (sort { $a <=> $b } (keys(%children))) {
  457:             my @contents = split(/:/,$children{$container});
  458:             for (my $i=0; $i<@contents; $i ++) {
  459:                 $scripttag .= '    parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
  460:             }
  461:         }
  462: 
  463:         $scripttag .= qq|
  464:     if (parents[item].length > 0) {
  465:         for (var j=0; j<parents[item].length; j++) {
  466:             containerCheck(parents[item][j])
  467:         }
  468:      }   
  469: }
  470: 
  471: </script>
  472:         |;
  473: 	$r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package',
  474: 						 $scripttag));
  475: 	$r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
  476: 	$r->print($display.'</table>'.
  477:                   '<p><input type="hidden" name="finishexport" value="1">'.
  478:                   '<input type="submit" name="exportcourse" value="'.
  479:                   &mt('Export '.$type.' DOCS').'" /></p></form>');
  480:     }
  481: }
  482: 
  483: sub create_ims_store {
  484:     my ($now,$manifestok,$outcome,$tempexport) = @_;
  485:     $$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
  486:     my $ims_manifest;
  487:     if (!-e $$tempexport) {
  488:         mkdir($$tempexport,0700);
  489:     }
  490:     $$tempexport .= '/'.$now;
  491:     if (!-e $$tempexport) {
  492:         mkdir($$tempexport,0700);
  493:     }
  494:     $$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
  495:     if (!-e $$tempexport) {
  496:         mkdir($$tempexport,0700);
  497:     }
  498:     if (!-e "$$tempexport/resources") {
  499:         mkdir("$$tempexport/resources",0700);
  500:     }
  501: # open manifest file
  502:     my $manifest = '/imsmanifest.xml';
  503:     my $manifestfilename = $$tempexport.$manifest;
  504:     if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
  505:         $$manifestok=1;
  506:         print $ims_manifest
  507: '<?xml version="1.0" encoding="UTF-8"?>'."\n".
  508: '<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"'.
  509: ' xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"'.
  510: ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'.
  511: ' identifier="MANIFEST-'.$env{'request.course.id'}.'-'.$now.'"'.
  512: '  xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1imscp_v1p1.xsd'.
  513: '  http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">'."\n".
  514: '  <metadata>
  515:     <schema></schema>
  516:     <imsmd:lom>
  517:       <imsmd:general>
  518:         <imsmd:identifier>'.$env{'request.course.id'}.'</imsmd:identifier>
  519:         <imsmd:title>
  520:           <imsmd:langstring xml:lang="en">'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</imsmd:langstring>
  521:         </imsmd:title>
  522:       </imsmd:general>
  523:     </imsmd:lom>
  524:   </metadata>'."\n".
  525: '  <organizations default="ORG-'.$env{'request.course.id'}.'-'.$now.'">'."\n".
  526: '    <organization identifier="ORG-'.$env{'request.course.id'}.'-'.$now.'"'.
  527: ' structure="hierarchical">'."\n".
  528: '      <title>'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</title>'
  529:     } else {
  530:         $$outcome .= 'An error occurred opening the IMS manifest file.<br />'
  531: ;
  532:     }
  533:     return $ims_manifest;
  534: }
  535: 
  536: sub build_package {
  537:     my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
  538: # first iterator to look for dependencies
  539:     my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  540:     my $curRes;
  541:     my $count = 0;
  542:     my $depth = 0;
  543:     my $lastcontainer = 0;
  544:     my %parent = ();
  545:     my @dependencies = ();
  546:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  547:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  548:     while ($curRes = $it->next()) {
  549:         if (ref($curRes)) {
  550:             $count ++;
  551:         }
  552:         if ($curRes == $it->BEGIN_MAP()) {
  553:             $depth++;
  554:             $parent{$depth} = $lastcontainer;
  555:         }
  556:         if ($curRes == $it->END_MAP()) {
  557:             $depth--;
  558:             $lastcontainer = $parent{$depth};
  559:         }
  560:         if (ref($curRes)) {
  561:             if ($curRes->is_sequence() || $curRes->is_page()) {
  562:                 $lastcontainer = $count;
  563:             }
  564:             if (grep(/^$count$/,@$exportitems)) {
  565:                 &get_dependencies($exportitems,\%parent,$depth,\@dependencies);
  566:             }
  567:         }
  568:     }
  569: # second iterator to build manifest and store resources
  570:     $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  571:     $depth = 0;
  572:     my $prevdepth;
  573:     $count = 0;
  574:     my $imsresources;
  575:     my $pkgdepth;
  576:     while ($curRes = $it->next()) {
  577:         if ($curRes == $it->BEGIN_MAP()) {
  578:             $prevdepth = $depth;
  579:             $depth++;
  580:         }
  581:         if ($curRes == $it->END_MAP()) {
  582:             $prevdepth = $depth;
  583:             $depth--;
  584:         }
  585: 
  586:         if (ref($curRes)) {
  587:             $count ++;
  588:             if ((grep(/^$count$/,@$exportitems)) || (grep(/^$count$/,@dependencies))) {
  589:                 my $symb = $curRes->symb();
  590:                 my $isvisible = 'true';
  591:                 my $resourceref;
  592:                 if ($curRes->randomout()) {
  593:                     $isvisible = 'false';
  594:                 }
  595:                 unless ($curRes->is_sequence()) {
  596:                     $resourceref = 'identifierref="RES-'.$env{'request.course.id'}.'-'.$count.'"';
  597:                 }
  598:                 my $step = $prevdepth - $depth;
  599:                 if (($step >= 0) && ($count > 1)) {
  600:                     while ($step >= 0) {
  601:                         print $ims_manifest "\n".'  </item>'."\n";
  602:                         $step --;
  603:                     }
  604:                 }
  605:                 $prevdepth = $depth;
  606: 
  607:                 my $itementry =
  608:               '<item identifier="ITEM-'.$env{'request.course.id'}.'-'.$count.
  609:               '" isvisible="'.$isvisible.'" '.$resourceref.'>'.
  610:               '<title>'.$curRes->title().'</title>';
  611:                 print $ims_manifest "\n".$itementry;
  612: 
  613:                 unless ($curRes->is_sequence()) {
  614:                     my $content_file;
  615:                     my @hrefs = ();
  616:                     &process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport);
  617:                     if ($content_file) {
  618:                         $imsresources .= "\n".
  619:                      '   <resource identifier="RES-'.$env{'request.course.id'}.'-'.$count.
  620:                      '" type="webcontent" href="'.$content_file.'">'."\n".
  621:                      '       <file href="'.$content_file.'" />'."\n";
  622:                         foreach my $item (@hrefs) {
  623:                             $imsresources .=
  624:                      '        <file href="'.$item.'" />'."\n";
  625:                         }
  626:                         if (grep(/^$count$/,@$discussions)) {
  627:                             my $ressymb = $symb;
  628:                             my $mode;
  629:                             if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
  630:                                 unless ($ressymb =~ m|adm/wrapper/adm|) {
  631:                                     $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  632:                                 }
  633:                                 $mode = 'board';
  634:                             }
  635:                             my %extras = (
  636:                                           caller => 'imsexport',
  637:                                           tempexport => $tempexport.'/resources',
  638:                                           count => $count
  639:                                          );
  640:                             my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras);
  641:                         }
  642:                         $imsresources .= '    </resource>'."\n";
  643:                     }
  644:                 }
  645:                 $pkgdepth = $depth;
  646:             }
  647:         }
  648:     }
  649:     while ($pkgdepth > 0) {
  650:         print $ims_manifest "    </item>\n";
  651:         $pkgdepth --;
  652:     }
  653:     my $resource_text = qq|
  654:     </organization>
  655:   </organizations>
  656:   <resources>
  657:     $imsresources
  658:   </resources>
  659: </manifest>
  660:     |;
  661:     print $ims_manifest $resource_text;
  662: }
  663: 
  664: sub get_dependencies {
  665:     my ($exportitems,$parent,$depth,$dependencies) = @_;
  666:     if ($depth > 1) {
  667:         if ((!grep(/^$$parent{$depth}$/,@$exportitems)) && (!grep(/^$$parent{$depth}$/,@$dependencies))) {
  668:             push(@{$dependencies},$$parent{$depth});
  669:             if ($depth > 2) {
  670:                 &get_dependencies($exportitems,$parent,$depth-1,$dependencies);
  671:             }
  672:         }
  673:     }
  674: }
  675: 
  676: sub process_content {
  677:     my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
  678:     my $content_type;
  679:     my $message;
  680:     my @uploads = ();
  681:     if ($curRes->is_sequence()) {
  682:         $content_type = 'sequence';
  683:     } elsif ($curRes->is_page()) {
  684:         $content_type = 'page'; # need to handle individual items in pages.
  685:     } elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
  686:         $content_type = 'syllabus';
  687:         my $contents = &Apache::imsexport::templatedpage($content_type);
  688:         if ($contents) {
  689:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  690:         }
  691:     } elsif ($symb =~ m-\.sequence___\d+___ext-) {
  692:         $content_type = 'external';
  693:         my $title = $curRes->title;
  694:         my $contents =  &Apache::imsexport::external($symb,$title);
  695:         if ($contents) {
  696:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  697:         }
  698:     } elsif ($symb =~ m-adm/navmaps$-) {
  699:         $content_type =  'navmap';
  700:     } elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) {
  701:         $content_type = 'simplepage';
  702:         my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads);
  703:         if ($contents) {
  704:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  705:         }
  706:     } elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) {
  707:         $content_type = 'simpleproblem';
  708:         my $contents =  &Apache::imsexport::simpleproblem($symb);
  709:         if ($contents) {
  710:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  711:         }
  712:     } elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
  713:         $content_type = 'examupload';
  714:     } elsif ($symb =~ m-adm/($match_domain)/($match_username)/(\d+)/bulletinboard$-) {
  715:         $content_type = 'bulletinboard';
  716:         my $contents =  &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
  717:         if ($contents) {
  718:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  719:         }
  720:     } elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) {
  721:         $content_type = 'aboutme';
  722:         my $contents =  &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2);
  723:         if ($contents) {
  724:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  725:         }
  726:     } elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) {
  727:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  728:     } elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) {
  729:         my $canedit = 0;
  730:         if ($2 eq $env{'user.domain'} && $3 eq $env{'user.name'})  {
  731:             $canedit= 1;
  732:         }
  733: # only include problem code where current user is author
  734:         if ($canedit) {
  735:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource');
  736:         } else {
  737:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit');
  738:         }
  739:     } elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
  740:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  741:     }
  742:     if (@uploads > 0) {
  743:         foreach my $item (@uploads) {
  744:             my $uploadmsg = '';
  745:             &replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload');
  746:             if ($uploadmsg) {
  747:                 $$copyresult .= $uploadmsg."\n";
  748:             }
  749:         }
  750:     }
  751:     if ($message) {
  752:         $$copyresult .= $message."\n";
  753:     }
  754: }
  755: 
  756: sub replicate_content {
  757:     my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
  758:     my ($map,$ind,$url);
  759:     if ($caller eq 'templateupload') {
  760:         $url = $symb;
  761:         $url =~ s#//#/#g;
  762:     } else {
  763:         ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
  764:     }
  765:     my $content;
  766:     my $filename;
  767:     my $repstatus;
  768:     my $content_name;
  769:     if ($url =~ m-/([^/]+)$-) {
  770:         $filename = $1;
  771:         if (!-e $tempexport.'/resources') {
  772:             mkdir($tempexport.'/resources',0700);
  773:         }
  774:         if (!-e $tempexport.'/resources/'.$count) {
  775:             mkdir($tempexport.'/resources/'.$count,0700);
  776:         }
  777:         my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
  778:         my $copiedfile;
  779:         if ($copiedfile = Apache::File->new('>'.$destination)) {
  780:             my $content;
  781:             if ($caller eq 'resource') {
  782:                 my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
  783:                 my $filepath = &Apache::lonnet::filelocation($respath,$url);
  784:                 $content = &Apache::lonnet::getfile($filepath);
  785:                 if ($content eq -1) {
  786:                     $$message = 'Could not copy file '.$filename;
  787:                 } else {
  788:                     &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'resource');
  789:                     $repstatus = 'ok';
  790:                 }
  791:             } elsif ($caller eq 'uploaded' || $caller eq 'templateupload') {
  792:                 my $rtncode;
  793:                 $repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode);
  794:                 if ($repstatus eq 'ok') {
  795:                     if ($url =~ /\.html?$/i) {
  796:                         &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'uploaded');
  797:                     }
  798:                 } else {
  799:                     $$message = 'Could not render '.$url.' server message - '.$rtncode."<br />\n";
  800:                 }
  801:             } elsif ($caller eq 'noedit') {
  802: # Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this.
  803:                 $repstatus = 'ok';
  804:                 $content = 'Not the owner of this resource';
  805:             }
  806:             if ($repstatus eq 'ok') {
  807:                 print $copiedfile $content;
  808:             }
  809:             close($copiedfile);
  810:         } else {
  811:             $$message = 'Could not open destination file for '.$filename."<br />\n";
  812:         }
  813:     } else {
  814:         $$message = 'Could not determine name of file for '.$symb."<br />\n";
  815:     }
  816:     if ($repstatus eq 'ok') {
  817:         $content_name = 'resources/'.$count.'/'.$filename;
  818:     }
  819:     return $content_name;
  820: }
  821: 
  822: sub extract_media {
  823:     my ($url,$cdom,$cnum,$content,$count,$tempexport,$href,$message,$caller) = @_;
  824:     my ($dirpath,$container);
  825:     my %allfiles = ();
  826:     my %codebase = ();
  827:     if ($url =~ m-(.*/)([^/]+)$-) {
  828:         $dirpath = $1;
  829:         $container = $2;
  830:     } else {
  831:         $dirpath = $url;
  832:         $container = '';
  833:     }
  834:     &Apache::lonnet::extract_embedded_items(undef,\%allfiles,\%codebase,$content);
  835:     foreach my $embed_file (keys(%allfiles)) {
  836:         my $filename;
  837:         if ($embed_file =~ m#([^/]+)$#) {
  838:             $filename = $1;
  839:         } else {
  840:             $filename = $embed_file;
  841:         }
  842:         my $newname = 'res/'.$filename;
  843:         my ($rtncode,$embed_content,$repstatus);
  844:         my $embed_url;
  845:         if ($embed_file =~ m-^/-) {
  846:             $embed_url = $embed_file;           # points to absolute path
  847:         } else {
  848:             if ($embed_file =~ m-https?://-) {
  849:                 next;                           # points to url
  850:             } else {
  851:                 $embed_url = $dirpath.$embed_file;  # points to relative path
  852:             }
  853:         }
  854:         if ($caller eq 'resource') {
  855:             my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
  856:             my $embed_path = &Apache::lonnet::filelocation($respath,$embed_url);
  857:             $embed_content = &Apache::lonnet::getfile($embed_path);
  858:             unless ($embed_content eq -1) {
  859:                 $repstatus = 'ok';
  860:             }
  861:         } elsif ($caller eq 'uploaded') {
  862:             
  863:             $repstatus = &Apache::lonnet::getuploaded('GET',$embed_url,$cdom,$cnum,\$embed_content,$rtncode);
  864:         }
  865:         if ($repstatus eq 'ok') {
  866:             my $destination = $tempexport.'/resources/'.$count.'/res';
  867:             if (!-e "$destination") {
  868:                 mkdir($destination,0755);
  869:             }
  870:             $destination .= '/'.$filename;
  871:             my $copiedfile;
  872:             if ($copiedfile = Apache::File->new('>'.$destination)) {
  873:                 print $copiedfile $embed_content;
  874:                 push(@{$href},'resources/'.$count.'/res/'.$filename);
  875:                 my $attrib_regexp = '';
  876:                 if (@{$allfiles{$embed_file}} > 1) {
  877:                     $attrib_regexp = join('|',@{$allfiles{$embed_file}});
  878:                 } else {
  879:                     $attrib_regexp = $allfiles{$embed_file}[0];
  880:                 }
  881:                 $$content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$embed_file\E(['"]?)#$1$newname$2#gi;
  882:                 if ($caller eq 'resource' && $container =~ /\.(problem|library)$/) {
  883:                     $$content =~ s#\Q$embed_file\E#$newname#gi;
  884:                 }
  885:             }
  886:         } else {
  887:             $$message .= 'replication of embedded file - '.$embed_file.' in '.$url.' failed, reason -'.$rtncode."<br />\n";
  888:         }
  889:     }
  890:     return;
  891: }
  892: 
  893: sub store_template {
  894:     my ($contents,$tempexport,$count,$content_type) = @_;
  895:     if ($contents) {
  896:         if ($tempexport) {
  897:             if (!-e $tempexport.'/resources') {
  898:                 mkdir($tempexport.'/resources',0700);
  899:             }
  900:             if (!-e $tempexport.'/resources/'.$count) {
  901:                 mkdir($tempexport.'/resources/'.$count,0700);
  902:             }
  903:             my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml';
  904:             my $storetemplate;
  905:             if ($storetemplate = Apache::File->new('>'.$destination)) {
  906:                 print $storetemplate $contents;
  907:                 close($storetemplate);
  908:             }
  909:             if ($content_type eq 'external') {
  910:                 return 'resources/'.$count.'/'.$content_type.'.html';
  911:             } else {
  912:                 return 'resources/'.$count.'/'.$content_type.'.xml';
  913:             }
  914:         }
  915:     }
  916: }
  917: 
  918: 
  919: sub group_import {
  920:     my ($coursenum, $coursedom, $folder, $container, $caller, @files) = @_;
  921: 
  922:     while (@files) {
  923: 	my ($name, $url, $residx) = @{ shift(@files) };
  924:         if (($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/(default_\d+\.)(page|sequence)$})
  925: 	     && ($caller eq 'londocs')
  926: 	     && (!&Apache::lonnet::stat_file($url))) {
  927: 	    
  928:             my $errtext = '';
  929:             my $fatal = 0;
  930:             my $newmapstr = '<map>'."\n".
  931:                             '<resource id="1" src="" type="start"></resource>'."\n".
  932:                             '<link from="1" to="2" index="1"></link>'."\n".
  933:                             '<resource id="2" src="" type="finish"></resource>'."\n".
  934:                             '</map>';
  935:             $env{'form.output'}=$newmapstr;
  936:             my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
  937:                                                 'output',$1.$2);
  938:             if ($result != m|^/uploaded/|) {
  939:                 $errtext.='Map not saved: A network error occurred when trying to save the new map. ';
  940:                 $fatal = 2;
  941:             }
  942:             if ($fatal) {
  943:                 return ($errtext,$fatal);
  944:             }
  945:         }
  946: 	if ($url) {
  947: 	    if (!$residx
  948: 		|| defined($LONCAPA::map::zombies[$residx])) {
  949: 		$residx = &LONCAPA::map::getresidx($url,$residx);
  950: 		push(@LONCAPA::map::order, $residx);
  951: 	    }
  952: 	    my $ext = 'false';
  953: 	    if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
  954: 	    $url  = &LONCAPA::map::qtunescape($url);
  955: 	    $name = &LONCAPA::map::qtunescape($name);
  956: 	    $LONCAPA::map::resources[$residx] =
  957: 		join(':', ($name, $url, $ext, 'normal', 'res'));
  958: 	}
  959:     }
  960:     return &storemap($coursenum, $coursedom, $folder.'.'.$container);
  961: }
  962: 
  963: sub breadcrumbs {
  964:     my ($where,$allowed,$type)=@_;
  965:     &Apache::lonhtmlcommon::clear_breadcrumbs();
  966:     my (@folders);
  967:     if ($env{'form.pagepath'}) {
  968:         @folders = split('&',$env{'form.pagepath'});
  969:     } else {
  970:         @folders=split('&',$env{'form.folderpath'});
  971:     }
  972:     my $folderpath;
  973:     my $cpinfo='';
  974:     my $plain='';
  975:     my $randompick=-1;
  976:     my $isencrypted=0;
  977:     my $ishidden=0;
  978:     my $is_random_order=0;
  979:     while (@folders) {
  980: 	my $folder=shift(@folders);
  981:     	my $foldername=shift(@folders);
  982: 	if ($folderpath) {$folderpath.='&';}
  983: 	$folderpath.=$folder.'&'.$foldername;
  984: 	my $url='/adm/coursedocs?folderpath='.
  985: 	    &escape($folderpath);
  986: 	    my $name=&unescape($foldername);
  987: # randompick number, hidden, encrypted, random order, is appended with ":"s to the foldername
  988:  	    $name=~s/\:(\d*)\:(\w*)\:(\w*):(\d*)$//;
  989: 	    if ($1 ne '') {
  990:                $randompick=$1;
  991:             } else {
  992:                $randompick=-1;
  993:             }
  994:             if ($2) { $ishidden=1; }
  995:             if ($3) { $isencrypted=1; }
  996: 	    if ($4 ne '') { $is_random_order = 1; }
  997:             if ($folder eq 'supplemental') {
  998:                 if ($allowed) {
  999:                     $name = &mt('Supplemental '.$type.' Documents');
 1000:                 } else {
 1001:                     $name = &mt($type.' Documents');
 1002:                 }
 1003:             }
 1004: 	    &Apache::lonhtmlcommon::add_breadcrumb(
 1005: 		      {'href'=>$url.$cpinfo,
 1006: 		       'title'=>$name,
 1007: 		       'text'=>'<font size="+1">'.
 1008: 			   $name.'</font>',
 1009: 		       'no_mt'=>1,
 1010: 		       });
 1011: 	$plain.=$name.' &gt; ';
 1012:     }
 1013:     $plain=~s/\&gt\;\s*$//;
 1014:     return (&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'nohelp',
 1015: 					       'LC_docs_path'),$randompick,$ishidden,$isencrypted,$plain,$is_random_order);
 1016: }
 1017: 
 1018: sub log_docs {
 1019:     return &Apache::lonnet::instructor_log('docslog',@_);
 1020: }
 1021: 
 1022: {
 1023:     my @oldresources=();
 1024:     my @oldorder=();
 1025:     my $parmidx;
 1026:     my %parmaction=();
 1027:     my %parmvalue=();
 1028:     my $changedflag;
 1029: 
 1030:     sub snapshotbefore {
 1031:         @oldresources=@LONCAPA::map::resources;
 1032:         @oldorder=@LONCAPA::map::order;
 1033:         $parmidx=undef;
 1034:         %parmaction=();
 1035:         %parmvalue=();
 1036:         $changedflag=0;
 1037:     }
 1038: 
 1039:     sub remember_parms {
 1040:         my ($idx,$parameter,$action,$value)=@_;
 1041:         $parmidx=$idx;
 1042:         $parmaction{$parameter}=$action;
 1043:         $parmvalue{$parameter}=$value;
 1044:         $changedflag=1;
 1045:     }
 1046: 
 1047:     sub log_differences {
 1048:         my ($plain)=@_;
 1049:         my %storehash=('folder' => $plain,
 1050:                        'currentfolder' => $env{'form.folder'});
 1051:         if ($parmidx) {
 1052:            $storehash{'parameter_res'}=$oldresources[$parmidx];
 1053:            foreach my $parm (keys(%parmaction)) {
 1054:               $storehash{'parameter_action_'.$parm}=$parmaction{$parm};
 1055:               $storehash{'parameter_value_'.$parm}=$parmvalue{$parm};
 1056:            }
 1057:         }
 1058:         my $maxidx=$#oldresources;
 1059:         if ($#LONCAPA::map::resources>$#oldresources) {
 1060:            $maxidx=$#LONCAPA::map::resources;
 1061:         }
 1062:         for (my $idx=0; $idx<=$maxidx; $idx++) {
 1063:            if ($LONCAPA::map::resources[$idx] ne $oldresources[$idx]) {
 1064:               $storehash{'before_resources_'.$idx}=$oldresources[$idx];
 1065:               $storehash{'after_resources_'.$idx}=$LONCAPA::map::resources[$idx];
 1066:               $changedflag=1;
 1067:            }
 1068:            if ($LONCAPA::map::order[$idx] ne $oldorder[$idx]) {
 1069:               $storehash{'before_order_res_'.$idx}=$oldresources[$oldorder[$idx]];
 1070:               $storehash{'after_order_res_'.$idx}=$LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1071:               $changedflag=1;
 1072:            }
 1073:         }
 1074: 	$storehash{'maxidx'}=$maxidx;
 1075:         if ($changedflag) { &log_docs(\%storehash); }
 1076:     }
 1077: }
 1078: 
 1079: 
 1080: 
 1081: 
 1082: 
 1083: sub docs_change_log {
 1084:     my ($r)=@_;
 1085:     my $folder=$env{'form.folder'};
 1086:     $r->print(&Apache::loncommon::start_page('Course Document Change Log'));
 1087:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Document Change Log'));
 1088:     my %docslog=&Apache::lonnet::dump('nohist_docslog',
 1089:                                       $env{'course.'.$env{'request.course.id'}.'.domain'},
 1090:                                       $env{'course.'.$env{'request.course.id'}.'.num'});
 1091: 
 1092:     if ((keys(%docslog))[0]=~/^error\:/) { undef(%docslog); }
 1093: 
 1094:     $r->print('<form action="/adm/coursedocs" method="post" name="docslog">'.
 1095:               '<input type="hidden" name="docslog" value="1" />');
 1096: 
 1097:     my %saveable_parameters = ('show' => 'scalar',);
 1098:     &Apache::loncommon::store_course_settings('docs_log',
 1099:                                               \%saveable_parameters);
 1100:     &Apache::loncommon::restore_course_settings('docs_log',
 1101:                                                 \%saveable_parameters);
 1102:     if (!$env{'form.show'}) { $env{'form.show'}=10; }
 1103:     my %lt=('hiddenresource' => 'Resources hidden',
 1104: 	    'encrypturl'     => 'URL hidden',
 1105: 	    'randompick'     => 'Randomly pick',
 1106: 	    'randomorder'    => 'Randomly ordered',
 1107: 	    'set'            => 'set to',
 1108: 	    'del'            => 'deleted');
 1109:     $r->print(&Apache::loncommon::display_filter().
 1110:               '<input type="hidden" name="folder" value="'.$folder.'" />'.
 1111:               '<input type="submit" value="'.&mt('Display').'" /></form>');
 1112:     $r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
 1113:               '<th>'.&mt('Time').'</th><th>'.&mt('User').'</th><th>'.&mt('Folder').'</th><th>'.&mt('Before').'</th><th>'.
 1114:               &mt('After').'</th>'.
 1115:               &Apache::loncommon::end_data_table_header_row());
 1116:     my $shown=0;
 1117:     foreach my $id (sort { $docslog{$b}{'exe_time'}<=>$docslog{$a}{'exe_time'} } (keys(%docslog))) {
 1118: 	if ($env{'form.displayfilter'} eq 'currentfolder') {
 1119: 	    if ($docslog{$id}{'logentry'}{'currentfolder'} ne $folder) { next; }
 1120: 	}
 1121:         my @changes=keys(%{$docslog{$id}{'logentry'}});
 1122:         if ($env{'form.displayfilter'} eq 'containing') {
 1123: 	    my $wholeentry=$docslog{$id}{'exe_uname'}.':'.$docslog{$id}{'exe_udom'}.':'.
 1124: 		&Apache::loncommon::plainname($docslog{$id}{'exe_uname'},$docslog{$id}{'exe_udom'});
 1125: 	    foreach my $key (@changes) {
 1126: 		$wholeentry.=':'.$docslog{$id}{'logentry'}{$key};
 1127: 	    }
 1128: 	    if ($wholeentry!~/\Q$env{'form.containingphrase'}\E/i) { next; }
 1129: 	}
 1130:         my $count = 0;
 1131:         my $time =
 1132:             &Apache::lonlocal::locallocaltime($docslog{$id}{'exe_time'});
 1133:         my $plainname =
 1134:             &Apache::loncommon::plainname($docslog{$id}{'exe_uname'},
 1135:                                           $docslog{$id}{'exe_udom'});
 1136:         my $about_me_link =
 1137:             &Apache::loncommon::aboutmewrapper($plainname,
 1138:                                                $docslog{$id}{'exe_uname'},
 1139:                                                $docslog{$id}{'exe_udom'});
 1140:         my $send_msg_link='';
 1141:         if ((($docslog{$id}{'exe_uname'} ne $env{'user.name'})
 1142:              || ($docslog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
 1143:             $send_msg_link ='<br />'.
 1144:                 &Apache::loncommon::messagewrapper(&mt('Send message'),
 1145:                                                    $docslog{$id}{'exe_uname'},
 1146:                                                    $docslog{$id}{'exe_udom'});
 1147:         }
 1148:         $r->print(&Apache::loncommon::start_data_table_row());
 1149:         $r->print('<td>'.$time.'</td>
 1150:                        <td>'.$about_me_link.
 1151:                   '<br /><tt>'.$docslog{$id}{'exe_uname'}.
 1152:                                   ':'.$docslog{$id}{'exe_udom'}.'</tt>'.
 1153:                   $send_msg_link.'</td><td>'.
 1154:                   $docslog{$id}{'logentry'}{'folder'}.'</td><td>');
 1155: # Before
 1156: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1157: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1158: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1159: 	    if ($oldname ne $newname) {
 1160: 		$r->print(&LONCAPA::map::qtescape($oldname));
 1161: 	    }
 1162: 	}
 1163: 	$r->print('<ul>');
 1164: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1165:             if ($docslog{$id}{'logentry'}{'before_order_res_'.$idx}) {
 1166: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'before_order_res_'.$idx}))[0]).'</li>');
 1167: 	    }
 1168: 	}
 1169: 	$r->print('</ul>');
 1170: # After
 1171:         $r->print('</td><td>');
 1172: 
 1173: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1174: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1175: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1176: 	    if ($oldname ne '' && $oldname ne $newname) {
 1177: 		$r->print(&LONCAPA::map::qtescape($newname));
 1178: 	    }
 1179: 	}        
 1180: 	$r->print('<ul>');
 1181: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1182:             if ($docslog{$id}{'logentry'}{'after_order_res_'.$idx}) {
 1183: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'after_order_res_'.$idx}))[0]).'</li>');
 1184: 	    }
 1185: 	}
 1186: 	$r->print('</ul>');
 1187: 	if ($docslog{$id}{'logentry'}{'parameter_res'}) {
 1188: 	    $r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':<ul>');
 1189: 	    foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder') {
 1190: 		if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
 1191: 		    $r->print('<li>'.
 1192: 			      &mt($lt{$parameter}.' '.$lt{$docslog{$id}{'logentry'}{'parameter_action_'.$parameter}}.' [_1]',
 1193: 				  $docslog{$id}{'logentry'}{'parameter_value_'.$parameter})
 1194: 			      .'</li>');
 1195: 		}
 1196: 	    }
 1197: 	    $r->print('</ul>');
 1198: 	}
 1199: # End
 1200:         $r->print('</td>'.&Apache::loncommon::end_data_table_row());
 1201:         $shown++;
 1202:         if (!($env{'form.show'} eq &mt('all')
 1203:               || $shown<=$env{'form.show'})) { last; }
 1204:     }
 1205:     $r->print(&Apache::loncommon::end_data_table());
 1206: }
 1207: 
 1208: sub update_paste_buffer {
 1209:     my ($coursenum,$coursedom) = @_;
 1210: 
 1211:     return if (!defined($env{'form.markcopy'}));
 1212:     return if (!defined($env{'form.copyfolder'}));
 1213:     return if ($env{'form.markcopy'} < 0);
 1214: 
 1215:     my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
 1216: 				    $env{'form.copyfolder'});
 1217:     
 1218:     return if ($fatal);
 1219: 
 1220: # Mark for copying
 1221:     my ($title,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$env{'form.markcopy'}]]);
 1222:     if (&is_supplemental_title($title)) {
 1223:         &Apache::lonnet::appenv({'docs.markedcopy_supplemental' => $title});
 1224: 	($title) = &parse_supplemental_title($title);
 1225:     } elsif ($env{'docs.markedcopy_supplemental'}) {
 1226:         &Apache::lonnet::delenv('docs.markedcopy_supplemental');
 1227:     }
 1228:     $url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
 1229: 
 1230:     &Apache::lonnet::appenv({'docs.markedcopy_title' => $title,
 1231: 			    'docs.markedcopy_url'   => $url});
 1232:     delete($env{'form.markcopy'});
 1233: }
 1234: 
 1235: sub print_paste_buffer {
 1236:     my ($r,$container) = @_;
 1237:     return if (!defined($env{'docs.markedcopy_url'}));
 1238: 
 1239:     $r->print(<<ENDPASTE);
 1240: <form name="pasteform" action="/adm/coursedocs" method="post"><p>
 1241: ENDPASTE
 1242:     $r->print('<input type="submit" name="pastemarked" value="'.&mt('Paste').'" /> ');
 1243: 
 1244:     my $type;
 1245:     if ($env{'docs.markedcopy_url'} =~ m{^(?:/adm/wrapper/ext|(?:http|https)(?:&colon;|:))//} ) {
 1246: 	$type = &mt('External Resource');
 1247: 	$r->print($type.': '.
 1248: 		  &LONCAPA::map::qtescape($env{'docs.markedcopy_title'}).' ('.
 1249: 		  &LONCAPA::map::qtescape($env{'docs.markedcopy_url'}).')');
 1250:     }  else {
 1251: 	my $extension = (split(/\./,$env{'docs.markedcopy_url'}))[-1];
 1252: 	my $icon = &Apache::loncommon::icon($extension);
 1253: 	if ($extension eq 'sequence' &&
 1254: 	    $env{'docs.markedcopy_url'} =~ m{/default_\d+\.sequence$ }x) {
 1255: 	    $icon = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
 1256: 	    $icon .= '/folder_closed.gif';
 1257: 	}
 1258: 	$icon = '<img src="'.$icon.'" alt="" class="LC_icon" />';
 1259: 	$r->print($icon.$type.': '.  &parse_supplemental_title(&LONCAPA::map::qtescape($env{'docs.markedcopy_title'})));
 1260:     }
 1261:     if ($container eq 'page') {
 1262: 	$r->print('
 1263: 	<input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />
 1264: 	<input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />
 1265: ');
 1266:     } else {
 1267: 	$r->print('
 1268:         <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
 1269: ');
 1270:     }
 1271:     $r->print('</p></form>');
 1272: }
 1273: 
 1274: sub do_paste_from_buffer {
 1275:     my ($coursenum,$coursedom,$folder) = @_;
 1276: 
 1277:     if (!$env{'form.pastemarked'}) {
 1278:         return;
 1279:     }
 1280: 
 1281: # paste resource to end of list
 1282:     my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url'});
 1283:     my $title=&LONCAPA::map::qtescape($env{'docs.markedcopy_title'});
 1284: # Maps need to be copied first
 1285:     if (($url=~/\.(page|sequence)$/) && ($url=~/^\/uploaded\//)) {
 1286: 	$title=&mt('Copy of').' '.$title;
 1287: 	my $newid=$$.int(rand(100)).time;
 1288: 	my ($oldid,$ext) = ($url=~/^(.+)\.(\w+)$/);
 1289:         if ($oldid =~ m{^(/uploaded/\Q$coursedom\E/\Q$coursenum\E/)(\D+)(\d+)$}) {
 1290:             my $path = $1;
 1291:             my $prefix = $2;
 1292:             my $ancestor = $3;
 1293:             if (length($ancestor) > 10) {
 1294:                 $ancestor = substr($ancestor,-10,10);
 1295:             }
 1296:             $oldid = $path.$prefix.$ancestor;
 1297:         }
 1298:         my $counter = 0;
 1299:         my $newurl=$oldid.$newid.'.'.$ext;
 1300:         my $is_unique = &uniqueness_check($newurl);
 1301:         while (!$is_unique && $counter < 100) {
 1302:             $counter ++;
 1303:             $newid ++;
 1304:             $newurl = $oldid.$newid;
 1305:             $is_unique = &uniqueness_check($newurl);
 1306:         }
 1307:         if (!$is_unique) {
 1308:             if ($url=~/\.page$/) {
 1309:                 return &mt('Paste failed: an error occurred creating a unique URL for the composite page');
 1310:             } else {
 1311:                 return &mt('Paste failed: an error occurred creating a unique URL for the folder');
 1312:             }
 1313:         }
 1314: 	my $storefn=$newurl;
 1315: 	$storefn=~s{^/\w+/$match_domain/$match_username/}{};
 1316: 	my $paste_map_result =
 1317:             &Apache::lonclonecourse::writefile($env{'request.course.id'},$storefn,
 1318: 					       &Apache::lonnet::getfile($url));
 1319:         if ($paste_map_result eq '/adm/notfound.html') {
 1320:             if ($url=~/\.page$/) {
 1321:                 return &mt('Paste failed: an error occurred saving the composite page');
 1322:             } else {
 1323:                 return &mt('Paste failed: an error occurred saving the folder');
 1324:             }
 1325:         }
 1326: 	$url = $newurl;
 1327:     }
 1328: # published maps can only exists once, so remove it from paste buffer when done
 1329:     if (($url=~/\.(page|sequence)$/) && ($url=~m {^/res/})) {
 1330: 	&Apache::lonnet::delenv('docs.markedcopy');
 1331:     }
 1332:     if ($url=~ m{/smppg$}) {
 1333: 	my $db_name = &Apache::lonsimplepage::get_db_name($url);
 1334: 	if ($db_name =~ /^smppage_/) {
 1335: 	    #simple pages, need to copy the db contents to a new one.
 1336: 	    my %contents=&Apache::lonnet::dump($db_name,$coursedom,$coursenum);
 1337: 	    my $now = time();
 1338: 	    $db_name =~ s{_\d*$ }{_$now}x;
 1339: 	    my $result=&Apache::lonnet::put($db_name,\%contents,
 1340: 					    $coursedom,$coursenum);
 1341: 	    $url =~ s{/(\d*)/smppg$ }{/$now/smppg}x;
 1342: 	    $title=&mt('Copy of').' '.$title;
 1343: 	}
 1344:     }
 1345:     $title = &LONCAPA::map::qtunescape($title);
 1346:     my $ext='false';
 1347:     if ($url=~m{^http(|s)://}) { $ext='true'; }
 1348:     $url       = &LONCAPA::map::qtunescape($url);
 1349: # Now insert the URL at the bottom
 1350:     my $newidx = &LONCAPA::map::getresidx($url);
 1351:     if ($env{'docs.markedcopy_supplemental'}) {
 1352:         if ($folder =~ /^supplemental/) {
 1353:             $title = $env{'docs.markedcopy_supplemental'};
 1354:         } else {
 1355:             (undef,undef,$title) =
 1356:                 &parse_supplemental_title($env{'docs.markedcopy_supplemental'});
 1357:         }
 1358:     } else {
 1359:         if ($folder=~/^supplemental/) {
 1360:            $title=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1361:                   $env{'user.domain'}.'___&&&___'.$title;
 1362:         }
 1363:     }
 1364: 
 1365:     $LONCAPA::map::resources[$newidx]= 	$title.':'.$url.':'.$ext.':normal:res';
 1366:     push(@LONCAPA::map::order, $newidx);
 1367:     return 'ok';
 1368: # Store the result
 1369: }
 1370: 
 1371: sub uniqueness_check {
 1372:     my ($newurl) = @_;
 1373:     my $unique = 1;
 1374:     foreach my $res (@LONCAPA::map::order) {
 1375:         my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
 1376:         $url=&LONCAPA::map::qtescape($url);
 1377:         if ($newurl eq $url) {
 1378:             $unique = 0;
 1379:             last;
 1380:         }
 1381:     }
 1382:     return $unique;
 1383: }
 1384: 
 1385: my %parameter_type = ( 'randompick'     => 'int_pos',
 1386: 		       'hiddenresource' => 'string_yesno',
 1387: 		       'encrypturl'     => 'string_yesno',
 1388: 		       'randomorder'    => 'string_yesno',);
 1389: my $valid_parameters_re = join('|',keys(%parameter_type));
 1390: # set parameters
 1391: sub update_parameter {
 1392: 
 1393:     return 0 if ($env{'form.changeparms'} !~ /^($valid_parameters_re)$/);
 1394: 
 1395:     my $which = $env{'form.changeparms'};
 1396:     my $idx = $env{'form.setparms'};
 1397:     if ($env{'form.'.$which.'_'.$idx}) {
 1398: 	my $value = ($which eq 'randompick') ? $env{'form.'.$which.'_'.$idx}
 1399: 	                                     : 'yes';
 1400: 	&LONCAPA::map::storeparameter($idx, 'parameter_'.$which, $value,
 1401: 				      $parameter_type{$which});
 1402: 	&remember_parms($idx,$which,'set',$value);
 1403:     } else {
 1404: 	&LONCAPA::map::delparameter($idx,'parameter_'.$which);
 1405: 	
 1406: 	&remember_parms($idx,$which,'del');
 1407:     }
 1408:     return 1;
 1409: }
 1410: 
 1411: 
 1412: sub handle_edit_cmd {
 1413:     my ($coursenum,$coursedom) =@_;
 1414: 
 1415:     my ($cmd,$idx)=split('_',$env{'form.cmd'});
 1416: 
 1417:     my $ratstr = $LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1418:     my ($title, $url, @rrest) = split(':', $ratstr);
 1419: 
 1420:     if ($cmd eq 'del') {
 1421: 	if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
 1422: 	    ($url!~/\.(page|sequence|problem|exam|quiz|assess|survey|form|library|task)$/)) {
 1423: 	    &Apache::lonnet::removeuploadedurl($url);
 1424: 	} else {
 1425: 	    &LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1426: 	}
 1427: 	splice(@LONCAPA::map::order, $idx, 1);
 1428: 
 1429:     } elsif ($cmd eq 'cut') {
 1430: 	&LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1431: 	splice(@LONCAPA::map::order, $idx, 1);
 1432: 
 1433:     } elsif ($cmd eq 'up'
 1434: 	     && ($idx) && (defined($LONCAPA::map::order[$idx-1]))) {
 1435: 	@LONCAPA::map::order[$idx-1,$idx] = @LONCAPA::map::order[$idx,$idx-1];
 1436: 
 1437:     } elsif ($cmd eq 'down'
 1438: 	     && defined($LONCAPA::map::order[$idx+1])) {
 1439: 	@LONCAPA::map::order[$idx+1,$idx] = @LONCAPA::map::order[$idx,$idx+1];
 1440: 
 1441:     } elsif ($cmd eq 'rename') {
 1442: 
 1443: 	my $comment = &LONCAPA::map::qtunescape($env{'form.title'});
 1444: 	if ($comment=~/\S/) {
 1445: 	    $LONCAPA::map::resources[$LONCAPA::map::order[$idx]]=
 1446: 		$comment.':'.join(':', $url, @rrest);
 1447: 	}
 1448: # Devalidate title cache
 1449: 	my $renamed_url=&LONCAPA::map::qtescape($url);
 1450: 	&Apache::lonnet::devalidate_title_cache($renamed_url);
 1451:     } else {
 1452: 	return 0;
 1453:     }
 1454:     return 1;
 1455: }
 1456: 
 1457: sub editor {
 1458:     my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output,$type)=@_;
 1459: 
 1460:     my $container= ($env{'form.pagepath'}) ? 'page'
 1461: 		                           : 'sequence';
 1462: 
 1463:     my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
 1464: 				    $folder.'.'.$container);
 1465:     return $errtext if ($fatal);
 1466: 
 1467:     if ($#LONCAPA::map::order<1) {
 1468: 	my $idx=&LONCAPA::map::getresidx();
 1469: 	if ($idx<=0) { $idx=1; }
 1470:        	$LONCAPA::map::order[0]=$idx;
 1471:         $LONCAPA::map::resources[$idx]='';
 1472:     }
 1473:     
 1474:     my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,$is_random_order)=
 1475: 	&breadcrumbs($folder,$allowed,$type);
 1476:     $r->print($breadcrumbtrail);
 1477:     
 1478: # ------------------------------------------------------------ Process commands
 1479: 
 1480: # ---------------- if they are for this folder and user allowed to make changes
 1481:     if (($allowed) && ($env{'form.folder'} eq $folder)) {
 1482: # set parameters and change order
 1483: 	&snapshotbefore();
 1484: 
 1485: 	if (&update_parameter()) {
 1486: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1487: 	    return $errtext if ($fatal);
 1488: 	}
 1489: 
 1490: 	if ($env{'form.newpos'} && $env{'form.currentpos'}) {
 1491: # change order
 1492: 	    my $res = splice(@LONCAPA::map::order,$env{'form.currentpos'}-1,1);
 1493: 	    splice(@LONCAPA::map::order,$env{'form.newpos'}-1,0,$res);
 1494: 
 1495: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1496: 	    return $errtext if ($fatal);
 1497: 	}
 1498: 	    
 1499: 	if ($env{'form.pastemarked'}) {
 1500:             my $paste_res =
 1501:                 &do_paste_from_buffer($coursenum,$coursedom,$folder);
 1502:             if ($paste_res eq 'ok') {
 1503:                 ($errtext,$fatal) = &storemap($coursenum,$coursedom,$folder.'.'.$container);
 1504:                 return $errtext if ($fatal);
 1505:             } elsif ($paste_res ne '') {
 1506:                 $r->print('<p><span class="LC_error">'.$paste_res.'</span></p>');
 1507:             }
 1508: 	}
 1509: 
 1510: 	$r->print($upload_output);
 1511: 
 1512: 	if (&handle_edit_cmd()) {
 1513: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1514: 	    return $errtext if ($fatal);
 1515: 	}
 1516: # Group import/search
 1517: 	if ($env{'form.importdetail'}) {
 1518: 	    my @imports;
 1519: 	    foreach my $item (split(/\&/,$env{'form.importdetail'})) {
 1520: 		if (defined($item)) {
 1521: 		    my ($name,$url,$residx)=
 1522: 			map {&unescape($_)} split(/\=/,$item);
 1523: 		    push(@imports, [$name, $url, $residx]);
 1524: 		}
 1525: 	    }
 1526: 	    ($errtext,$fatal)=&group_import($coursenum, $coursedom, $folder,
 1527: 					    $container,'londocs',@imports);
 1528: 	    return $errtext if ($fatal);
 1529: 	}
 1530: # Loading a complete map
 1531: 	if ($env{'form.loadmap'}) {
 1532: 	    if ($env{'form.importmap'}=~/\w/) {
 1533: 		foreach my $res (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$env{'form.importmap'}))) {
 1534: 		    my ($title,$url,$ext,$type)=split(/\:/,$res);
 1535: 		    my $idx=&LONCAPA::map::getresidx($url);
 1536: 		    $LONCAPA::map::resources[$idx]=$res;
 1537: 		    $LONCAPA::map::order[$#LONCAPA::map::order+1]=$idx;
 1538: 		}
 1539: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1540: 					    $folder.'.'.$container);
 1541: 		return $errtext if ($fatal);
 1542: 	    } else {
 1543: 		$r->print('<p><span class="LC_error">'.&mt('No map selected.').'</span></p>');
 1544: 		
 1545: 	    }
 1546: 	}
 1547: 	&log_differences($plain);
 1548:     }
 1549: # ---------------------------------------------------------------- End commands
 1550: # ---------------------------------------------------------------- Print screen
 1551:     my $idx=0;
 1552:     my $shown=0;
 1553:     if (($ishidden) || ($isencrypted) || ($randompick>=0) || ($is_random_order)) {
 1554: 	$r->print('<p>'.&mt('Parameters').':<ul>'.
 1555: 		  ($randompick>=0?'<li>'.&mt('randomly pick [_1] resources',$randompick).'</li>':'').
 1556: 		  ($ishidden?'<li>'.&mt('contents hidden').'</li>':'').
 1557: 		  ($isencrypted?'<li>'.&mt('URLs hidden').'</li>':'').
 1558: 		  '</ul></p>');
 1559:     }                                                                                                     
 1560:     if ($randompick>=0) {
 1561: 	$r->print('<p>'.&mt('Caution: this folder is set to randomly pick a subset of resources. Adding or removing resources from this folder will change the set of resources that the students see, resulting in spurious or missing credit for completed problems, not limited to ones you modify. Do not modify the contents of this folder if it is in active student use.').'</p>');
 1562:     }
 1563:     if ($is_random_order) {
 1564: 	$r->print('<p>'.&mt('Caution: this folder is set to randomly order its contents. Adding or removing resources from this folder will change the order of resources shown.').'</p>');
 1565:     }
 1566:     $r->print('<table class="LC_docs_editor">');
 1567:     foreach my $res (@LONCAPA::map::order) {
 1568: 	my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
 1569: 	$name=&LONCAPA::map::qtescape($name);
 1570: 	$url=&LONCAPA::map::qtescape($url);
 1571: 	unless ($name) {  $name=(split(/\//,$url))[-1]; }
 1572: 	unless ($name) { $idx++; next; }
 1573: 	$r->print(&entryline($idx,$name,$url,$folder,$allowed,$res,
 1574: 			     $coursenum));
 1575: 	$idx++;
 1576: 	$shown++;
 1577:     }
 1578:     unless ($shown) {
 1579: 	$r->print('<tr><td>'.&mt('Currently no documents.').'</td></tr>');
 1580:     }
 1581:     $r->print("\n</table>\n");
 1582:     if ($allowed) {
 1583:         &print_paste_buffer($r,$container);
 1584:     }
 1585:     return;
 1586: }
 1587: 
 1588: sub process_file_upload {
 1589:     my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd) = @_;
 1590: # upload a file, if present
 1591:     my $parseaction;
 1592:    if ($env{'form.parserflag'}) {
 1593:         $parseaction = 'parse';
 1594:     }
 1595:     my $phase_status;
 1596:     my $folder=$env{'form.folder'};
 1597:     if ($folder eq '') {
 1598:         $folder='default';
 1599:     }
 1600:     if ( ($folder=~/^$uploadcmd/) || ($uploadcmd eq 'default') ) {
 1601:         my $errtext='';
 1602:         my $fatal=0;
 1603:         my $container='sequence';
 1604:         if ($env{'form.pagepath'}) {
 1605:             $container='page';
 1606:         }
 1607:         ($errtext,$fatal)=
 1608:               &mapread($coursenum,$coursedom,$folder.'.'.$container);
 1609:         if ($#LONCAPA::map::order<1) {
 1610:             $LONCAPA::map::order[0]=1;
 1611:             $LONCAPA::map::resources[1]='';
 1612:         }
 1613:         if ($fatal) {
 1614:             return 'failed';
 1615:         }
 1616:         my $destination = 'docs/';
 1617:         if ($folder =~ /^supplemental/) {
 1618:             $destination = 'supplemental/';
 1619:         }
 1620:         if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1621:             $destination .= 'default/';
 1622:         } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1623:             $destination .=  $2.'/';
 1624:         }
 1625: # this is for a course, not a user, so set coursedoc flag
 1626: # probably the only place in the system where this should be "1"
 1627:         my $newidx=&LONCAPA::map::getresidx();
 1628:         $destination .= $newidx;
 1629:         my $url=&Apache::lonnet::userfileupload('uploaddoc',1,$destination,
 1630: 						$parseaction,$allfiles,
 1631: 						$codebase);
 1632:         my $ext='false';
 1633:         if ($url=~m{^http://}) { $ext='true'; }
 1634: 	$url     = &LONCAPA::map::qtunescape($url);
 1635:         my $comment=$env{'form.comment'};
 1636: 	$comment = &LONCAPA::map::qtunescape($comment);
 1637:         if ($folder=~/^supplemental/) {
 1638:               $comment=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1639:                   $env{'user.domain'}.'___&&&___'.$comment;
 1640:         }
 1641: 
 1642:         $LONCAPA::map::resources[$newidx]=
 1643: 	    $comment.':'.$url.':'.$ext.':normal:res';
 1644:         $LONCAPA::map::order[$#LONCAPA::map::order+1]= $newidx;
 1645:         ($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1646: 				    $folder.'.'.$container);
 1647:         if ($fatal) {
 1648:             $$upload_output .= '<p><span class="LC_error">'.$errtext.'</span></p>';
 1649:             return 'failed';
 1650:         } else {
 1651:             if ($parseaction eq 'parse') {
 1652:                 my $total_embedded = keys(%{$allfiles});
 1653:                 if ($total_embedded > 0) {
 1654:                     my $num = 0;
 1655: 		    my $state = '
 1656:    <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
 1657:    <input type="hidden" name="cmd" value="upload_embedded" />
 1658:    <input type="hidden" name="newidx" value="'.$newidx.'" />
 1659:    <input type="hidden" name="primaryurl" value="'.&escape($url).'" />
 1660:    <input type="hidden" name="phasetwo" value="'.$total_embedded.'" />';
 1661: 		    $phase_status = 'phasetwo';
 1662: 
 1663:                     $$upload_output .=
 1664: 			'This file contains embedded multimedia objects, which need to be uploaded to LON-CAPA.<br />'.
 1665: 			&Apache::loncommon::ask_for_embedded_content(
 1666:                             '/adm/coursedocs',$state,$allfiles,$codebase);
 1667:                 } else {
 1668:                     $$upload_output .= 'No embedded items identified<br />';
 1669:                 }
 1670:             }
 1671:         }
 1672:     }
 1673:     return $phase_status;
 1674: }
 1675: 
 1676: sub process_secondary_uploads {
 1677:     my ($upload_output,$coursedom,$coursenum,$formname,$num,$newidx) = @_;
 1678:     my $folder=$env{'form.folder'};
 1679:     my $destination = 'docs/';
 1680:     if ($folder =~ /^supplemental/) {
 1681:         $destination = 'supplemental/';
 1682:     }
 1683:     if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1684:         $destination .= 'default/';
 1685:     } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1686:         $destination .=  $2.'/';
 1687:     }
 1688:     $destination .= $newidx;
 1689:     my ($url,$filename);
 1690:     $url=&Apache::lonnet::userfileupload($formname.$num,1,$destination);
 1691:     ($filename) = ($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/\Q$destination\E/(.+)$});
 1692:     return $filename;
 1693: }
 1694: 
 1695: sub is_supplemental_title {
 1696:     my ($title) = @_;
 1697:     return scalar($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/);
 1698: }
 1699: 
 1700: sub parse_supplemental_title {
 1701:     my ($title) = @_;
 1702: 
 1703:     my ($foldertitle,$renametitle);
 1704:     if ($title =~ /&amp;&amp;&amp;/) {
 1705: 	$title = &HTML::Entites::decode($title);
 1706:     }
 1707:  if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
 1708: 	$renametitle=$4;
 1709: 	my ($time,$uname,$udom) = ($1,$2,$3);
 1710: 	$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
 1711: 	my $name =  &Apache::loncommon::plainname($uname,$udom);
 1712: 	$name = &HTML::Entities::encode($name,'"<>&\'');
 1713: 	$title='<i>'.&Apache::lonlocal::locallocaltime($time).'</i> '.
 1714: 	    $name.': <br />'.$foldertitle;
 1715:     }
 1716:     if (wantarray) {
 1717: 	return ($title,$foldertitle,$renametitle);
 1718:     } 
 1719:     return $title;
 1720: }
 1721: 
 1722: # --------------------------------------------------------------- An entry line
 1723: 
 1724: sub entryline {
 1725:     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum)=@_;
 1726: 
 1727:     my ($foldertitle,$pagetitle,$renametitle);
 1728:     if (&is_supplemental_title($title)) {
 1729: 	($title,$foldertitle,$renametitle) = &parse_supplemental_title($title);
 1730: 	$pagetitle = $foldertitle;
 1731:     } else {
 1732: 	$title=&HTML::Entities::encode($title,'"<>&\'');
 1733: 	$renametitle=$title;
 1734: 	$foldertitle=$title;
 1735: 	$pagetitle=$title;
 1736:     }
 1737: 
 1738:     my $orderidx=$LONCAPA::map::order[$index];
 1739:     
 1740: 
 1741:     $renametitle=~s/\\/\\\\/g;
 1742:     $renametitle=~s/\&quot\;/\\\"/g;
 1743:     $renametitle=~s/ /%20/g;
 1744:     my $line='<tr>';
 1745:     my ($form_start,$form_end);
 1746: # Edit commands
 1747:     my ($container, $type, $esc_path, $path, $symb);
 1748:     if ($env{'form.folderpath'}) {
 1749: 	$type = 'folder';
 1750:         $container = 'sequence';
 1751: 	$esc_path=&escape($env{'form.folderpath'});
 1752: 	$path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 1753: 	# $htmlfoldername=&HTML::Entities::encode($env{'form.foldername'},'<>&"');
 1754:     }
 1755:     if ($env{'form.pagepath'}) {
 1756:         $type = $container = 'page';
 1757:         $esc_path=&escape($path = $env{'form.pagepath'});
 1758: 	$path = &HTML::Entities::encode($env{'form.pagepath'},'<>&"');
 1759:         $symb=&escape($env{'form.pagesymb'});
 1760:     }
 1761:     my $cpinfo='';
 1762:     if ($allowed) {
 1763: 	my $incindex=$index+1;
 1764: 	my $selectbox='';
 1765: 	if (($folder!~/^supplemental/) &&
 1766: 	    ($#LONCAPA::map::order>0) &&
 1767: 	    ((split(/\:/,
 1768: 	     $LONCAPA::map::resources[$LONCAPA::map::order[0]]))[1]
 1769: 	     ne '') &&
 1770: 	    ((split(/\:/,
 1771: 	     $LONCAPA::map::resources[$LONCAPA::map::order[1]]))[1]
 1772: 	     ne '')) {
 1773: 	    $selectbox=
 1774: 		'<input type="hidden" name="currentpos" value="'.$incindex.'" />'.
 1775: 		'<select name="newpos" onChange="this.form.submit()">';
 1776: 	    for (my $i=1;$i<=$#LONCAPA::map::order+1;$i++) {
 1777: 		if ($i==$incindex) {
 1778: 		    $selectbox.='<option value="" selected="1">('.$i.')</option>';
 1779: 		} else {
 1780: 		    $selectbox.='<option value="'.$i.'">'.$i.'</option>';
 1781: 		}
 1782: 	    }
 1783: 	    $selectbox.='</select>';
 1784: 	}
 1785: 	my %lt=&Apache::lonlocal::texthash(
 1786:                 'up' => 'Move Up',
 1787: 		'dw' => 'Move Down',
 1788: 		'rm' => 'Remove',
 1789:                 'ct' => 'Cut',
 1790: 		'rn' => 'Rename',
 1791: 		'cp' => 'Copy');
 1792: 	my $nocopy=0;
 1793:         my $nocut=0;
 1794:         if ($url=~/\.(page|sequence)$/) {
 1795: 	    if ($url =~ m{/res/}) {
 1796: 		# no copy for published maps
 1797: 		$nocopy = 1;
 1798: 	    } else {
 1799: 		foreach my $item (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url),1)) {
 1800: 		    my ($title,$url,$ext,$type)=split(/\:/,$item);
 1801: 		    if (($url=~/\.(page|sequence)/) && ($type ne 'zombie')) {
 1802: 			$nocopy=1;
 1803: 			last;
 1804: 		    }
 1805: 		}
 1806: 	    }
 1807: 	}
 1808:         if ($url=~/^\/res\/lib\/templates\//) {
 1809:            $nocopy=1;
 1810:            $nocut=1;
 1811:         }
 1812:         my $copylink='&nbsp;';
 1813:         my $cutlink='&nbsp;';
 1814: 	
 1815: 	my $skip_confirm = 0;
 1816: 	if ( $folder =~ /^supplemental/
 1817: 	     || ($url =~ m{( /smppg$
 1818: 			    |/syllabus$
 1819: 			    |/aboutme$
 1820: 			    |/navmaps$
 1821: 			    |/bulletinboard$
 1822: 			    |\.html$
 1823: 			    |^/adm/wrapper/ext)}x)) {
 1824: 	    $skip_confirm = 1;
 1825: 	}
 1826: 
 1827: 	if (!$nocopy) {
 1828: 	    $copylink=(<<ENDCOPY);
 1829: <a href='javascript:markcopy("$esc_path","$index","$renametitle","$container","$symb","$folder");' class="LC_docs_copy">$lt{'cp'}</a>
 1830: ENDCOPY
 1831:         }
 1832: 	if (!$nocut) {
 1833: 	    $cutlink=(<<ENDCUT);
 1834: <a href='javascript:cutres("$esc_path","$index","$renametitle","$container","$symb","$folder",$skip_confirm);' class="LC_docs_cut">$lt{'ct'}</a>
 1835: ENDCUT
 1836:         }
 1837: 	$form_start = (<<END);
 1838:    <form  action="/adm/coursedocs" method="post">
 1839:    <input type="hidden" name="${type}path" value="$path" />
 1840:    <input type="hidden" name="${type}symb" value="$symb" />
 1841:    <input type="hidden" name="setparms" value="$orderidx" />
 1842:    <input type="hidden" name="changeparms" value="0" />
 1843: END
 1844:         $form_end = '</form>';
 1845: 	$line.=(<<END);
 1846: <td>
 1847:    <table class="LC_docs_entry_move">
 1848:       <tr>
 1849:          <td>
 1850:             <a href='/adm/coursedocs?cmd=up_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'><img src="${iconpath}move_up.gif" alt='$lt{'up'}' class="LC_icon" /></a>
 1851:          </td>
 1852:       </tr>
 1853:       <tr>
 1854:         <td>
 1855:            <a href='/adm/coursedocs?cmd=down_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'><img src="${iconpath}move_down.gif" alt='$lt{'dw'}' class="LC_icon" /></a>
 1856:         </td>
 1857:       </tr>
 1858:     </table>
 1859: </td>
 1860: <td>
 1861:    $form_start
 1862:    $selectbox
 1863:    $form_end
 1864: </td>
 1865: <td class="LC_docs_entry_commands">
 1866:    <a href='javascript:removeres("$esc_path","$index","$renametitle","$container","$symb",$skip_confirm);' class="LC_docs_remove">$lt{'rm'}</a>
 1867: $cutlink
 1868:    <a href='javascript:changename("$esc_path","$index","$renametitle","$container","$symb");' class="LC_docs_rename">$lt{'rn'}</a>
 1869: $copylink
 1870: </td>
 1871: END
 1872: 
 1873:     }
 1874: # Figure out what kind of a resource this is
 1875:     my ($extension)=($url=~/\.(\w+)$/);
 1876:     my $uploaded=($url=~/^\/*uploaded\//);
 1877:     my $icon=&Apache::loncommon::icon($url);
 1878:     my $isfolder=0;
 1879:     my $ispage=0;
 1880:     my $folderarg;
 1881:     my $pagearg;
 1882:     my $pagefile;
 1883:     if ($uploaded) {
 1884: 	if ($extension eq 'sequence') {
 1885: 	    $icon=$iconpath.'/folder_closed.gif';
 1886: 	    $url=~/\Q$coursenum\E\/([\/\w]+)\.sequence$/;
 1887: 	    $url='/adm/coursedocs?';
 1888: 	    $folderarg=$1;
 1889: 	    $isfolder=1;
 1890:         } elsif ($extension eq 'page') {
 1891:             $icon=$iconpath.'/page.gif';
 1892:             $url=~/\Q$coursenum\E\/([\/\w]+)\.page$/;
 1893:             $pagearg=$1;
 1894:             $url='/adm/coursedocs?';
 1895:             $ispage=1;
 1896: 	} else {
 1897: 	    &Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
 1898: 	}
 1899:     }
 1900:     
 1901:     my $orig_url = $url;
 1902:     $orig_url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
 1903:     my $external = ($url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/});
 1904:     if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) {
 1905: 	my $symb=&Apache::lonnet::symbclean(
 1906:           &Apache::lonnet::declutter('uploaded/'.
 1907:            $env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1908:            $env{'course.'.$env{'request.course.id'}.'.num'}.'/'.$folder.
 1909:            '.sequence').
 1910:            '___'.$residx.'___'.
 1911: 	   &Apache::lonnet::declutter($url));
 1912: 	(undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
 1913: 	$url=&Apache::lonnet::clutter($url);
 1914: 	if ($url=~/^\/*uploaded\//) {
 1915: 	    $url=~/\.(\w+)$/;
 1916: 	    my $embstyle=&Apache::loncommon::fileembstyle($1);
 1917: 	    if (($embstyle eq 'img') || ($embstyle eq 'emb')) {
 1918: 		$url='/adm/wrapper'.$url;
 1919: 	    } elsif ($embstyle eq 'ssi') {
 1920: 		#do nothing with these
 1921: 	    } elsif ($url!~/\.(sequence|page)$/) {
 1922: 		$url='/adm/coursedocs/showdoc'.$url;
 1923: 	    }
 1924: 	} elsif ($url=~m|^/ext/|) {
 1925: 	    $url='/adm/wrapper'.$url;
 1926: 	    $external = 1;
 1927: 	}
 1928:         if (&Apache::lonnet::symbverify($symb,$url)) {
 1929: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 1930:         } else {
 1931:             $url='';
 1932:         }
 1933: 	if ($container eq 'page') {
 1934: 	    my $symb=$env{'form.pagesymb'};
 1935: 	    	    
 1936: 	    $url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
 1937: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 1938: 	}
 1939:     }
 1940:     my ($parameterset,$rand_order_text) = ('&nbsp;', '&nbsp;');
 1941:     if ($isfolder || $extension eq 'sequence') {
 1942: 	my $foldername=&escape($foldertitle);
 1943: 	my $folderpath=$env{'form.folderpath'};
 1944: 	if ($folderpath) { $folderpath.='&' };
 1945: # Append randompick number, hidden, and encrypted with ":" to foldername,
 1946: # so it gets transferred between levels
 1947: 	$folderpath.=$folderarg.'&'.$foldername.':'.(&LONCAPA::map::getparameter($orderidx,
 1948:                                               'parameter_randompick'))[0]
 1949:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1950:                                               'parameter_hiddenresource'))[0]=~/^yes$/i)
 1951:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1952:                                               'parameter_encrypturl'))[0]=~/^yes$/i)
 1953:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1954:                                               'parameter_randomorder'))[0]=~/^yes$/i);
 1955: 	$url.='folderpath='.&escape($folderpath).$cpinfo;
 1956: 	$parameterset='<label>'.&mt('Randomly Pick: ').
 1957: 	    '<input type="text" size="4" onChange="this.form.changeparms.value='."'randompick'".';this.form.submit()" name="randompick_'.$orderidx.'" value="'.
 1958: 	    (&LONCAPA::map::getparameter($orderidx,
 1959:                                               'parameter_randompick'))[0].
 1960:                                               '" />'.
 1961: '<a href="javascript:void(0)">'.&mt('Save').'</a></label>';
 1962:     	my $ro_set=
 1963: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_randomorder'))[0]=~/^yes$/i?' checked="checked"':'');
 1964: 	$rand_order_text ='
 1965: <span class="LC_nobreak"><label><input type="checkbox" name="randomorder_'.$orderidx.'" onClick="this.form.changeparms.value=\'randomorder\';this.form.submit()" '.$ro_set.' /> '.&mt('Random Order').' </label></span>';
 1966:     }
 1967:     if ($ispage) {
 1968:         my $pagename=&escape($pagetitle);
 1969:         my $pagepath;
 1970:         my $folderpath=$env{'form.folderpath'};
 1971:         if ($folderpath) { $pagepath = $folderpath.'&' };
 1972:         $pagepath.=$pagearg.'&'.$pagename;
 1973: 	my $symb=$env{'form.pagesymb'};
 1974: 	if (!$symb) {
 1975: 	    my $path='uploaded/'.
 1976: 		$env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1977: 		$env{'course.'.$env{'request.course.id'}.'.num'}.'/';
 1978: 	    $symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
 1979: 					       $residx,
 1980: 					       $path.$pagearg.'.page');
 1981: 	}
 1982: 	$url.='pagepath='.&escape($pagepath).
 1983: 	    '&amp;pagesymb='.&escape($symb).$cpinfo;
 1984:     }
 1985:     if ($external) {
 1986: 	my $form = ($folder =~ /^default/)? 'newext' : 'supnewext';
 1987: 	$external = '&nbsp;<a class="LC_docs_ext_edit" href="javascript:edittext(\''.$form.'\',\''.$residx.'\',\''.&escape($title).'\',\''.&escape($orig_url).'\');" >'.&mt('Edit').'</a>';
 1988:     } else {
 1989: 	undef($external);
 1990:     }
 1991:     $line.='
 1992:   <td class="LC_docs_entry_icon">
 1993:     '.($url?'<a href="'.$url.'">':'').'<img src="'.$icon.'" alt="" class="LC_icon" />'.($url?'</a>':'').'
 1994:   </td>
 1995:   <td class="LC_docs_entry_title">
 1996:     '.($url?"<a href=\"$url\">":'').$title.($url?'</a>':' <span class="LC_docs_reinit_warn">'.&mt('(re-initialize course to access)').'</span>').$external."
 1997:   </td>";
 1998:     if (($allowed) && ($folder!~/^supplemental/)) {
 1999:  	my %lt=&Apache::lonlocal::texthash(
 2000:  			      'hd' => 'Hidden',
 2001:  			      'ec' => 'URL hidden');
 2002: 	my $enctext=
 2003: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':'');
 2004: 	my $hidtext=
 2005: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="1"':'');
 2006: 	$line.=(<<ENDPARMS);
 2007:   <td class="LC_docs_entry_parameter">
 2008:     $form_start
 2009:     <label><input type="checkbox" name="hiddenresource_$orderidx" onClick="this.form.changeparms.value='hiddenresource';this.form.submit()" $hidtext /> $lt{'hd'}</label>
 2010:     $form_end
 2011:   </td>
 2012:   <td class="LC_docs_entry_parameter">
 2013:     $form_start
 2014:     <label><input type="checkbox" name="encrypturl_$orderidx" onClick="this.form.changeparms.value='encrypturl';this.form.submit()" $enctext /> $lt{'ec'}</label>
 2015:     $form_end
 2016:   </td>
 2017:   <td class="LC_docs_entry_parameter">$form_start $rand_order_text $form_end</td>
 2018:   <td class="LC_docs_entry_parameter">$form_start $parameterset $form_end</td>
 2019: ENDPARMS
 2020:     }
 2021:     $line.="</tr>";
 2022:     return $line;
 2023: }
 2024: 
 2025: =pod
 2026: 
 2027: =item tiehash()
 2028: 
 2029: tie the hash
 2030: 
 2031: =cut
 2032: 
 2033: sub tiehash {
 2034:     my ($mode)=@_;
 2035:     $hashtied=0;
 2036:     if ($env{'request.course.fn'}) {
 2037: 	if ($mode eq 'write') {
 2038: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 2039: 		    &GDBM_WRCREAT(),0640)) {
 2040:                 $hashtied=2;
 2041: 	    }
 2042: 	} else {
 2043: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 2044: 		    &GDBM_READER(),0640)) {
 2045:                 $hashtied=1;
 2046: 	    }
 2047: 	}
 2048:     }    
 2049: }
 2050: 
 2051: sub untiehash {
 2052:     if ($hashtied) { untie %hash; }
 2053:     $hashtied=0;
 2054:     return OK;
 2055: }
 2056: 
 2057: 
 2058: 
 2059: 
 2060: sub checkonthis {
 2061:     my ($r,$url,$level,$title)=@_;
 2062:     $url=&unescape($url);
 2063:     $alreadyseen{$url}=1;
 2064:     $r->rflush();
 2065:     if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
 2066:        $r->print("\n<br />");
 2067:        if ($level==0) {
 2068:            $r->print("<br />");
 2069:        }
 2070:        for (my $i=0;$i<=$level*5;$i++) {
 2071:            $r->print('&nbsp;');
 2072:        }
 2073:        $r->print('<a href="'.$url.'" target="cat">'.
 2074: 		 ($title?$title:$url).'</a> ');
 2075:        if ($url=~/^\/res\//) {
 2076: 	  my $result=&Apache::lonnet::repcopy(
 2077:                               &Apache::lonnet::filelocation('',$url));
 2078:           if ($result eq 'ok') {
 2079:              $r->print('<span class="LC_success">'.&mt('ok').'</span>');
 2080:              $r->rflush();
 2081:              &Apache::lonnet::countacc($url);
 2082:              $url=~/\.(\w+)$/;
 2083:              if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
 2084: 		 $r->print('<br />');
 2085:                  $r->rflush();
 2086:                  for (my $i=0;$i<=$level*5;$i++) {
 2087:                      $r->print('&nbsp;');
 2088:                  }
 2089:                  $r->print('- '.&mt('Rendering:').' ');
 2090: 		 my ($errorcount,$warningcount)=split(/:/,
 2091: 	       &Apache::lonnet::ssi_body($url,
 2092: 			       ('grade_target'=>'web',
 2093: 				'return_only_error_and_warning_counts' => 1)));
 2094:                  if (($errorcount) ||
 2095:                      ($warningcount)) {
 2096: 		     if ($errorcount) {
 2097:                         $r->print('<img src="/adm/lonMisc/bomb.gif" /><span class="LC_error">'.
 2098:                           &mt('[quant,_1,error]',$errorcount).'</span>');
 2099:                      }
 2100: 		     if ($warningcount) {
 2101:                         $r->print('<span class="LC_warning">'.
 2102:                           &mt('[quant,_1,warning]',$warningcount).'</span>');
 2103:                      }
 2104:                  } else {
 2105:                      $r->print('<span class="LC_success">'.&mt('ok').'</span>');
 2106:                  }
 2107:                  $r->rflush();
 2108:              }
 2109: 	     my $dependencies=
 2110:                 &Apache::lonnet::metadata($url,'dependencies');
 2111:              foreach my $dep (split(/\,/,$dependencies)) {
 2112: 		 if (($dep=~/^\/res\//) && (!$alreadyseen{$dep})) {
 2113:                     &checkonthis($r,$dep,$level+1);
 2114:                  }
 2115:              }
 2116:           } elsif ($result eq 'unavailable') {
 2117:              $r->print('<span class="LC_error">'.&mt('connection down').'</span>');
 2118:           } elsif ($result eq 'not_found') {
 2119: 	      unless ($url=~/\$/) {
 2120: 		  $r->print('<span class="LC_error">'.&mt('not found').'</b></span>');
 2121: 	      } else {
 2122: 		  $r->print('<span class="LC_unknown">'.&mt('unable to verify variable URL').'</span>');
 2123: 	      }
 2124:           } else {
 2125:              $r->print('<span class="LC_error">'.&mt('access denied').'</span>');
 2126:           }
 2127:        }
 2128:     }
 2129: }
 2130: 
 2131: 
 2132: 
 2133: =pod
 2134: 
 2135: =item list_symbs()
 2136: 
 2137: List Symbs
 2138: 
 2139: =cut
 2140: 
 2141: sub list_symbs {
 2142:     my ($r) = @_;
 2143: 
 2144:     my $type = &Apache::loncommon::course_type();
 2145:     $r->print(&Apache::loncommon::start_page('Symb List'));
 2146:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Symb List'));
 2147:     my $navmap = Apache::lonnavmaps::navmap->new();
 2148:     if (!defined($navmap)) {
 2149:         $r->print('<h2>'.&mt('Retrieval of List Failed').'</h2>'.
 2150:                   '<div class="LC_error">'.
 2151:                   &mt('Unable to retrieve information about course contents').
 2152:                   '</div>');
 2153:         &Apache::lonnet::logthis('Symb list failed - could not create navmap object in '.lc($type).':'.$env{'request.course.id'});
 2154:     } else {
 2155:         $r->print("<pre>\n");
 2156:         foreach my $res ($navmap->retrieveResources()) {
 2157: 	    $r->print($res->compTitle()."\t".$res->symb()."\n");
 2158:         }
 2159:         $r->print("\n</pre>\n");
 2160:     }
 2161:     $r->print('<a href="/adm/coursedocs">'.&mt('Return to DOCS').'</a>');
 2162: }
 2163: 
 2164: 
 2165: sub verifycontent {
 2166:     my ($r) = @_;
 2167:     my $type = &Apache::loncommon::course_type();
 2168:    my $loaderror=&Apache::lonnet::overloaderror($r);
 2169:    if ($loaderror) { return $loaderror; }
 2170:    $r->print(&Apache::loncommon::start_page('Verify '.$type.' Documents'));
 2171:    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$type.' Documents'));
 2172:    $hashtied=0;
 2173:    undef %alreadyseen;
 2174:    %alreadyseen=();
 2175:    &tiehash();
 2176:    foreach my $key (keys(%hash)) {
 2177:        if ($hash{$key}=~/\.(page|sequence)$/) {
 2178: 	   if (($key=~/^src_/) && ($alreadyseen{&unescape($hash{$key})})) {
 2179: 	       $r->print('<hr /><span class="LC_error">'.
 2180: 			 &mt('The following sequence or page is included more than once in your '.$type.': ').
 2181: 			 &unescape($hash{$key}).'</span><br />'.
 2182: 			 &mt('Note that grading records for problems included in this sequence or folder will overlap.<hr />'));
 2183: 	   }
 2184:        }
 2185:        if (($key=~/^src\_(.+)$/) && (!$alreadyseen{&unescape($hash{$key})})) {
 2186:            &checkonthis($r,$hash{$key},0,$hash{'title_'.$1});
 2187:        }
 2188:    }
 2189:    &untiehash();
 2190:    $r->print('<h1>'.&mt('Done').'.</h1>'.'<a href="/adm/coursedocs">'.
 2191: 	     &mt('Return to DOCS').'</a>');
 2192: }
 2193: 
 2194: 
 2195: sub devalidateversioncache {
 2196:     my $src=shift;
 2197:     &Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
 2198: 					  &Apache::lonnet::clutter($src));
 2199: }
 2200: 
 2201: sub checkversions {
 2202:     my ($r) = @_;
 2203:     my $type = &Apache::loncommon::course_type();
 2204:     $r->print(&Apache::loncommon::start_page("Check $type Document Versions"));
 2205:     $r->print(&Apache::lonhtmlcommon::breadcrumbs("Check $type Document Versions"));
 2206:     my $header='';
 2207:     my $startsel='';
 2208:     my $monthsel='';
 2209:     my $weeksel='';
 2210:     my $daysel='';
 2211:     my $allsel='';
 2212:     my %changes=();
 2213:     my $starttime=0;
 2214:     my $haschanged=0;
 2215:     my %setversions=&Apache::lonnet::dump('resourceversions',
 2216: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2217: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2218: 
 2219:     $hashtied=0;
 2220:     &tiehash();
 2221:     my %newsetversions=();
 2222:     if ($env{'form.setmostrecent'}) {
 2223: 	$haschanged=1;
 2224: 	foreach my $key (keys(%hash)) {
 2225: 	    if ($key=~/^ids\_(\/res\/.+)$/) {
 2226: 		$newsetversions{$1}='mostrecent';
 2227:                 &devalidateversioncache($1);
 2228: 	    }
 2229: 	}
 2230:     } elsif ($env{'form.setcurrent'}) {
 2231: 	$haschanged=1;
 2232: 	foreach my $key (keys(%hash)) {
 2233: 	    if ($key=~/^ids\_(\/res\/.+)$/) {
 2234: 		my $getvers=&Apache::lonnet::getversion($1);
 2235: 		if ($getvers>0) {
 2236: 		    $newsetversions{$1}=$getvers;
 2237: 		    &devalidateversioncache($1);
 2238: 		}
 2239: 	    }
 2240: 	}
 2241:     } elsif ($env{'form.setversions'}) {
 2242: 	$haschanged=1;
 2243: 	foreach my $key (keys(%env)) {
 2244: 	    if ($key=~/^form\.set_version_(.+)$/) {
 2245: 		my $src=$1;
 2246: 		if (($env{$key}) && ($env{$key} ne $setversions{$src})) {
 2247: 		    $newsetversions{$src}=$env{$key};
 2248: 		    &devalidateversioncache($src);
 2249: 		}
 2250: 	    }
 2251: 	}
 2252:     }
 2253:     if ($haschanged) {
 2254:         if (&Apache::lonnet::put('resourceversions',\%newsetversions,
 2255: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2256: 			  $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {
 2257: 	    $r->print('<h1>'.&mt('Your Version Settings have been Saved').'</h1>');
 2258: 	} else {
 2259: 	    $r->print('<h1><span class="LC_error">'.&mt('An Error Occured while Attempting to Save your Version Settings').'</span></h1>');
 2260: 	}
 2261: 	&mark_hash_old();
 2262:     }
 2263:     &changewarning($r,'');
 2264:     if ($env{'form.timerange'} eq 'all') {
 2265: # show all documents
 2266: 	$header=&mt('All Documents in '.$type);
 2267: 	$allsel=1;
 2268: 	foreach my $key (keys(%hash)) {
 2269: 	    if ($key=~/^ids\_(\/res\/.+)$/) {
 2270: 		my $src=$1;
 2271: 		$changes{$src}=1;
 2272: 	    }
 2273: 	}
 2274:     } else {
 2275: # show documents which changed
 2276: 	%changes=&Apache::lonnet::dump
 2277: 	 ('versionupdate',$env{'course.'.$env{'request.course.id'}.'.domain'},
 2278:                      $env{'course.'.$env{'request.course.id'}.'.num'});
 2279: 	my $firstkey=(keys(%changes))[0];
 2280: 	unless ($firstkey=~/^error\:/) {
 2281: 	    unless ($env{'form.timerange'}) {
 2282: 		$env{'form.timerange'}=604800;
 2283: 	    }
 2284: 	    my $seltext=&mt('during the last').' '.$env{'form.timerange'}.' '
 2285: 		.&mt('seconds');
 2286: 	    if ($env{'form.timerange'}==-1) {
 2287: 		$seltext='since start of course';
 2288: 		$startsel='selected';
 2289: 		$env{'form.timerange'}=time;
 2290: 	    }
 2291: 	    $starttime=time-$env{'form.timerange'};
 2292: 	    if ($env{'form.timerange'}==2592000) {
 2293: 		$seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2294: 		$monthsel='selected';
 2295: 	    } elsif ($env{'form.timerange'}==604800) {
 2296: 		$seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2297: 		$weeksel='selected';
 2298: 	    } elsif ($env{'form.timerange'}==86400) {
 2299: 		$seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2300: 		$daysel='selected';
 2301: 	    }
 2302: 	    $header=&mt('Content changed').' '.$seltext;
 2303: 	} else {
 2304: 	    $header=&mt('No content modifications yet.');
 2305: 	}
 2306:     }
 2307:     %setversions=&Apache::lonnet::dump('resourceversions',
 2308: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2309: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2310:     my %lt=&Apache::lonlocal::texthash
 2311: 	      ('st' => 'Version changes since start of '.$type,
 2312: 	       'lm' => 'Version changes since last Month',
 2313: 	       'lw' => 'Version changes since last Week',
 2314: 	       'sy' => 'Version changes since Yesterday',
 2315:                'al' => 'All Resources (possibly large output)',
 2316: 	       'sd' => 'Display',
 2317: 	       'fi' => 'File',
 2318: 	       'md' => 'Modification Date',
 2319:                'mr' => 'Most recently published Version',
 2320: 	       've' => 'Version used in '.$type,
 2321:                'vu' => 'Set Version to be used in '.$type,
 2322: 'sv' => 'Set Versions to be used in '.$type.' according to Selections below',
 2323: 'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',
 2324: 'sc' => 'Set all Resource Versions to current Version (Fix Versions)',
 2325: 	       'di' => 'Differences');
 2326:     $r->print(<<ENDHEADERS);
 2327: <form action="/adm/coursedocs" method="post">
 2328: <input type="hidden" name="versions" value="1" />
 2329: <input type="submit" name="setmostrecent" value="$lt{'sm'}" />
 2330: <input type="submit" name="setcurrent" value="$lt{'sc'}" /><hr />
 2331: <select name="timerange">
 2332: <option value='all' $allsel>$lt{'al'}</option>
 2333: <option value="-1" $startsel>$lt{'st'}</option>
 2334: <option value="2592000" $monthsel>$lt{'lm'}</option>
 2335: <option value="604800" $weeksel>$lt{'lw'}</option>
 2336: <option value="86400" $daysel>$lt{'sy'}</option>
 2337: </select>
 2338: <input type="submit" name="display" value="$lt{'sd'}" />
 2339: <h3>$header</h3>
 2340: <input type="submit" name="setversions" value="$lt{'sv'}" />
 2341: <table border="0">
 2342: ENDHEADERS
 2343:     foreach my $key (sort(keys(%changes))) {
 2344: 	if ($changes{$key}>$starttime) {
 2345: 	    my ($root,$extension)=($key=~/^(.*)\.(\w+)$/);
 2346: 	    my $currentversion=&Apache::lonnet::getversion($key);
 2347: 	    if ($currentversion<0) {
 2348: 		$currentversion=&mt('Could not be determined.');
 2349: 	    }
 2350: 	    my $linkurl=&Apache::lonnet::clutter($key);
 2351: 	    $r->print(
 2352: 		      '<tr><td colspan="5"><br /><br /><font size="+1"><b>'.
 2353: 		      &Apache::lonnet::gettitle($linkurl).
 2354:                       '</b></font></td></tr>'.
 2355:                       '<tr><td>&nbsp;&nbsp;&nbsp;</td>'.
 2356:                       '<td colspan="4">'.
 2357:                       '<a href="'.$linkurl.'" target="cat">'.$linkurl.
 2358: 		      '</a></td></tr>'.
 2359:                       '<tr><td></td>'.
 2360:                       '<td title="'.$lt{'md'}.'">'.
 2361: 		      &Apache::lonlocal::locallocaltime(
 2362:                            &Apache::lonnet::metadata($root.'.'.$extension,
 2363:                                                      'lastrevisiondate')
 2364:                                                         ).
 2365:                       '</td>'.
 2366:                       '<td title="'.$lt{'mr'}.'"><span class="LC_nobreak">Most Recent: '.
 2367:                       '<font size="+1">'.$currentversion.'</font>'.
 2368:                       '</span></td>'.
 2369:                       '<td title="'.$lt{'ve'}.'"><span class="LC_nobreak">In '.$type.': '.
 2370:                       '<font size="+1">');
 2371: # Used in course
 2372: 	    my $usedversion=$hash{'version_'.$linkurl};
 2373: 	    if (($usedversion) && ($usedversion ne 'mostrecent')) {
 2374: 		$r->print($usedversion);
 2375: 	    } else {
 2376: 		$r->print($currentversion);
 2377: 	    }
 2378: 	    $r->print('</font></span></td><td title="'.$lt{'vu'}.'">'.
 2379:                       '<span class="LC_nobreak">Use: ');
 2380: # Set version
 2381: 	    $r->print(&Apache::loncommon::select_form($setversions{$linkurl},
 2382: 						      'set_version_'.$linkurl,
 2383: 						      ('select_form_order' =>
 2384: 						       ['',1..$currentversion,'mostrecent'],
 2385: 						       '' => '',
 2386: 						       'mostrecent' => 'most recent',
 2387: 						       map {$_,$_} (1..$currentversion))));
 2388: 	    $r->print('</span></td></tr><tr><td></td>');
 2389: 	    my $lastold=1;
 2390: 	    for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
 2391: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2392: 		if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
 2393: 		    $starttime) {
 2394: 		    $lastold=$prevvers;
 2395: 		}
 2396: 	    }
 2397:             # 
 2398:             # Code to figure out how many version entries should go in
 2399:             # each of the four columns
 2400:             my $entries_per_col = 0;
 2401:             my $num_entries = ($currentversion-$lastold);
 2402:             if ($num_entries % 4 == 0) {
 2403:                 $entries_per_col = $num_entries/4;
 2404:             } else {
 2405:                 $entries_per_col = $num_entries/4 + 1;
 2406:             }
 2407:             my $entries_count = 0;
 2408:             $r->print('<td valign="top"><font size="-2">');
 2409:             my $cols_output = 1;
 2410:             for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
 2411: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2412: 		$r->print('<span class="LC_nobreak"><a href="'.&Apache::lonnet::clutter($url).
 2413: 			  '">'.&mt('Version').' '.$prevvers.'</a> ('.
 2414: 			  &Apache::lonlocal::locallocaltime(
 2415:                                 &Apache::lonnet::metadata($url,
 2416:                                                           'lastrevisiondate')
 2417:                                                             ).
 2418: 			  ')');
 2419: 		if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
 2420:                     $r->print(' <a href="/adm/diff?filename='.
 2421: 			      &Apache::lonnet::clutter($root.'.'.$extension).
 2422: 			      '&versionone='.$prevvers.
 2423: 			      '">'.&mt('Diffs').'</a>');
 2424: 		}
 2425: 		$r->print('</span><br />');
 2426:                 if (++$entries_count % $entries_per_col == 0) {
 2427:                     $r->print('</font></td>');
 2428:                     if ($cols_output != 4) {
 2429:                         $r->print('<td valign="top"><font size="-2">');
 2430:                         $cols_output++;
 2431:                     }
 2432:                 }
 2433: 	    }
 2434:             while($cols_output++ < 4) {
 2435:                 $r->print('</font></td><td><font>')
 2436:             }
 2437: 	    $r->print('</font></td></tr>'."\n");
 2438: 	}
 2439:     }
 2440:     $r->print('</table></form>');
 2441:     $r->print('<h1>'.&mt('Done').'.</h1>');
 2442: 
 2443:     &untiehash();
 2444: }
 2445: 
 2446: sub mark_hash_old {
 2447:     my $retie_hash=0;
 2448:     if ($hashtied) {
 2449: 	$retie_hash=1;
 2450: 	&untiehash();
 2451:     }
 2452:     &tiehash('write');
 2453:     $hash{'old'}=1;
 2454:     &untiehash();
 2455:     if ($retie_hash) { &tiehash(); }
 2456: }
 2457: 
 2458: sub is_hash_old {
 2459:     my $untie_hash=0;
 2460:     if (!$hashtied) {
 2461: 	$untie_hash=1;
 2462: 	&tiehash();
 2463:     }
 2464:     my $return=$hash{'old'};
 2465:     if ($untie_hash) { &untiehash(); }
 2466:     return $return;
 2467: }
 2468: 
 2469: sub changewarning {
 2470:     my ($r,$postexec,$message,$url)=@_;
 2471:     if (!&is_hash_old()) { return; }
 2472:     my $pathvar='folderpath';
 2473:     my $path=&escape($env{'form.folderpath'});
 2474:     if (!defined($url)) {
 2475: 	if (defined($env{'form.pagepath'})) {
 2476: 	    $pathvar='pagepath';
 2477: 	    $path=&escape($env{'form.pagepath'});
 2478: 	    $path.='&amp;pagesymb='.&escape($env{'form.pagesymb'});
 2479: 	}
 2480: 	$url='/adm/coursedocs?'.$pathvar.'='.$path;
 2481:     }
 2482:     my $course_type = &Apache::loncommon::course_type();
 2483:     if (!defined($message)) {
 2484: 	$message='Changes will become active for your current session after [_1], or the next time you log in.';
 2485:     }
 2486:     $r->print("\n\n".
 2487: '<script type="text/javascript">function reinit(tf) { tf.submit();'.$postexec.' }</script>'."\n".
 2488: '<form name="reinitform" method="post" action="/adm/roles" target="loncapaclient">'.
 2489: '<input type="hidden" name="orgurl" value="'.$url.
 2490: '" /><input type="hidden" name="selectrole" value="1" /><h3><span class="LC_warning">'.
 2491: &mt($message,' <input type="hidden" name="'.
 2492:     $env{'request.role'}.'" value="1" /><input type="button" value="'.
 2493:     &mt('re-initializing '.$course_type).'" onClick="reinit(this.form)" />').
 2494: $help{'Caching'}.'</span></h3></form>'."\n\n");
 2495: }
 2496: 
 2497: 
 2498: sub init_breadcrumbs {
 2499:     my ($form,$text)=@_;
 2500:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 2501:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs",
 2502: 					    text=>"Edit ".&Apache::loncommon::course_type(),
 2503: 					    faq=>273,
 2504: 					    bug=>'Instructor Interface',
 2505:                                             help => 'Docs_Adding_Course_Doc'});
 2506:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs?".$form.'=1',
 2507: 					    text=>$text,
 2508: 					    faq=>273,
 2509: 					    bug=>'Instructor Interface'});
 2510: }
 2511: 
 2512: 
 2513: 
 2514: 
 2515: sub handler {
 2516:     my $r = shift;
 2517:     &Apache::loncommon::content_type($r,'text/html');
 2518:     $r->send_http_header;
 2519:     return OK if $r->header_only;
 2520:     my $type = &Apache::loncommon::course_type();
 2521: 
 2522: 
 2523: # --------------------------------------------- Initialize help topics for this
 2524:     foreach my $topic ('Adding_Course_Doc','Main_Course_Documents',
 2525: 	               'Adding_External_Resource','Navigate_Content',
 2526: 	               'Adding_Folders','Docs_Overview', 'Load_Map',
 2527: 	               'Supplemental','Score_Upload_Form','Adding_Pages',
 2528: 	               'Importing_LON-CAPA_Resource','Uploading_From_Harddrive',
 2529: 	               'Check_Resource_Versions','Verify_Content') {
 2530: 	$help{$topic}=&Apache::loncommon::help_open_topic('Docs_'.$topic);
 2531:     }
 2532:     # Composite help files
 2533:     $help{'Syllabus'} = &Apache::loncommon::help_open_topic(
 2534: 		    'Docs_About_Syllabus,Docs_Editing_Templated_Pages');
 2535:     $help{'Simple Page'} = &Apache::loncommon::help_open_topic(
 2536: 		    'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');
 2537:     $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(
 2538: 		    'Option_Response_Simple');
 2539:     $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(
 2540: 		    'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');
 2541:     $help{'My Personal Information Page'} = &Apache::loncommon::help_open_topic(
 2542: 		  'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
 2543:     $help{'Group Portfolio'} = &Apache::loncommon::help_open_topic('Docs_About_Group_Files');
 2544:     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
 2545: 
 2546: # does this user have privileges to modify docs
 2547:     my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
 2548:   if ($allowed && $env{'form.verify'}) {
 2549:       &init_breadcrumbs('verify','Verify Content');
 2550:       &verifycontent($r);
 2551:   } elsif ($allowed && $env{'form.listsymbs'}) {
 2552:       &init_breadcrumbs('listsymbs','List Symbs');
 2553:       &list_symbs($r);
 2554:   } elsif ($allowed && $env{'form.docslog'}) {
 2555:       &init_breadcrumbs('docslog','Show Log');
 2556:       &docs_change_log($r);
 2557:   } elsif ($allowed && $env{'form.versions'}) {
 2558:       &init_breadcrumbs('versions','Check/Set Resource Versions');
 2559:       &checkversions($r);
 2560:   } elsif ($allowed && $env{'form.dumpcourse'}) {
 2561:       &init_breadcrumbs('dumpcourse','Dump '.&Apache::loncommon::course_type().' DOCS to Construction Space');
 2562:       &dumpcourse($r);
 2563:   } elsif ($allowed && $env{'form.exportcourse'}) {
 2564:       &init_breadcrumbs('exportcourse','Export '.&Apache::loncommon::course_type().' to IMS');
 2565:       &exportcourse($r);
 2566:   } else {
 2567: # is this a standard course?
 2568: 
 2569:     my $standard=($env{'request.course.uri'}=~/^\/uploaded\//);
 2570:     my $forcestandard = 0;
 2571:     my $forcesupplement;
 2572:     my $script='';
 2573:     my $showdoc=0;
 2574:     my $containertag;
 2575:     my $uploadtag;
 2576: 
 2577: 
 2578:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 2579: 					    ['folderpath','pagepath',
 2580: 					     'pagesymb']);
 2581: # No folderpath, no pagepath, see if we have something stored
 2582:     if ((!$env{'form.folderpath'}) && (!$env{'form.pagepath'})) {
 2583:         &Apache::loncommon::restore_course_settings('docs_folderpath',
 2584:                                               {'folderpath' => 'scalar'});
 2585:     }
 2586:     if (!$env{'form.folderpath'}) {
 2587:         &Apache::loncommon::restore_course_settings('docs_folderpath',
 2588:                                               {'pagepath' => 'scalar'});
 2589:     }
 2590:     if ($env{'form.pagepath'}) {
 2591:        $env{'form.folderpath'}='';
 2592:     }
 2593:     if ($env{'form.folderpath'} =~ /^supplemental_\d+/) {
 2594:         $env{'form.folderpath'} = 'supplemental&'.
 2595:                                   &escape(&mt('Supplemental '.$type.' Documents')).'&'.
 2596:                                   $env{'form.folderpath'};
 2597:     }
 2598:     &Apache::loncommon::store_course_settings('docs_folderpath',
 2599:                                                 {'pagepath' => 'scalar',
 2600:                                                  'folderpath' => 'scalar'});
 2601:     if ($env{'form.folderpath'}) {
 2602: 	my (@folderpath)=split('&',$env{'form.folderpath'});
 2603: 	$env{'form.foldername'}=&unescape(pop(@folderpath));
 2604: 	$env{'form.folder'}=pop(@folderpath);
 2605:     }
 2606:     if ($env{'form.pagepath'}) {
 2607:         my (@pagepath)=split('&',$env{'form.pagepath'});
 2608:         $env{'form.pagename'}=&unescape(pop(@pagepath));
 2609:         $env{'form.folder'}=pop(@pagepath);
 2610:         $containertag = '<input type="hidden" name="pagepath" value="" />'.
 2611: 	    '<input type="hidden" name="pagesymb" value="" />';
 2612:         $uploadtag = '<input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />'.
 2613: 	    '<input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />';
 2614:     }
 2615:     if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
 2616:        $showdoc='/'.$1;
 2617:     }
 2618:     unless ($showdoc) { # got called from remote
 2619:        if (($env{'form.folder'}=~/^(?:group|default)_/) ||
 2620:           ($env{'form.folder'} =~ m:^\d+/(pages|sequences)/:)) {
 2621:            $forcestandard = 1;
 2622:        } 
 2623:        $forcesupplement=($env{'form.folder'}=~/^supplemental_/);
 2624: 
 2625:        if ($allowed) {
 2626:          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
 2627:          $script=&Apache::lonratedt::editscript('simple');
 2628:        }
 2629:     } else { # got called in sequence from course
 2630:        $allowed=0;
 2631:     }
 2632: 
 2633: # get course data
 2634:     my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
 2635:     my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2636: 
 2637: # get personal data
 2638:     my $uname=$env{'user.name'};
 2639:     my $udom=$env{'user.domain'};
 2640:     my $plainname=&escape(&Apache::loncommon::plainname($uname,$udom));
 2641: 
 2642: # graphics settings
 2643: 
 2644:     $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
 2645: 
 2646:     if ($allowed) {
 2647: 	$script .= &editing_js($udom,$uname);
 2648:     }
 2649: # -------------------------------------------------------------------- Body tag
 2650:     $script = '<script type="text/javascript">'."\n".$script."\n".'</script>';
 2651:     my $brcrum = [{href=>"/adm/createuser",text=>"$type Documents"}];
 2652:     $r->print(&Apache::loncommon::start_page("$type Documents", $script,
 2653: 				    {'force_register' => $showdoc,
 2654:                                      'bread_crumbs' => $brcrum}).
 2655: 	      &Apache::loncommon::help_open_menu('','',273,'RAT'));
 2656:   
 2657:   my %allfiles = ();
 2658:   my %codebase = ();
 2659:   my ($upload_result,$upload_output);
 2660:   if ($allowed) {
 2661:       if (($env{'form.uploaddoc.filename'}) &&
 2662: 	  ($env{'form.cmd'}=~/^upload_(\w+)/)) {
 2663: # Process file upload - phase one - upload and parse primary file.
 2664: 	  undef($hadchanges);
 2665:           $upload_result = &process_file_upload(\$upload_output,$coursenum,
 2666: 						$coursedom,\%allfiles,
 2667: 						\%codebase,$1);
 2668: 	  if ($hadchanges) {
 2669: 	      &mark_hash_old();
 2670: 	  }
 2671:           if ($upload_result eq 'phasetwo') {
 2672:               $r->print($upload_output);
 2673:           }
 2674:       } elsif ($env{'form.phasetwo'}) {
 2675:           my %newname = ();
 2676:           my %origname = ();
 2677:           my %attribs = ();
 2678:           my $updateflag = 0;
 2679:           my $residx = $env{'form.newidx'};
 2680:           my $primary_url = &unescape($env{'form.primaryurl'});
 2681: # Process file upload - phase two - gather secondary files.
 2682:           for (my $i=0; $i<$env{'form.phasetwo'}; $i++) {
 2683:               if ($env{'form.embedded_item_'.$i.'.filename'}) {
 2684:                   my $javacodebase;
 2685:                   $newname{$i} = &process_secondary_uploads(\$upload_output,$coursedom,$coursenum,'embedded_item_',$i,$residx);
 2686:                   $origname{$i} = &unescape($env{'form.embedded_orig_'.$i});
 2687:                   if (exists($env{'form.embedded_codebase_'.$i})) {
 2688:                       $javacodebase =  &unescape($env{'form.embedded_codebase_'.$i});
 2689:                       $origname{$i} =~ s#^\Q$javacodebase\E/##;
 2690:                   }
 2691:                   my @attributes = ();
 2692:                   if ($env{'form.embedded_attrib_'.$i} =~ /:/) {
 2693:                       @attributes = split(/:/,$env{'form.embedded_attrib_'.$i});
 2694:                   } else {
 2695:                       @attributes = ($env{'form.embedded_attrib_'.$i});
 2696:                   }
 2697:                   foreach my $attr (@attributes) {
 2698:                       push(@{$attribs{$i}},&unescape($attr));
 2699:                   }
 2700:                   if ($javacodebase) {
 2701:                       $codebase{$i} = $javacodebase;
 2702:                       $codebase{$i} =~ s#/$##;
 2703:                       $updateflag = 1;
 2704:                   }
 2705:               }
 2706:               unless ($newname{$i} eq $origname{$i}) {
 2707:                   $updateflag = 1;
 2708:               }
 2709:           }
 2710: # Process file upload - phase three - modify primary file
 2711:           if ($updateflag) {
 2712:               my ($content,$rtncode);
 2713:               my $updateflag = 0;
 2714:               my $getstatus = &Apache::lonnet::getuploaded('GET',$primary_url,$coursedom,$coursenum,\$content,\$rtncode);
 2715:               if ($getstatus eq 'ok') {
 2716:                   foreach my $item (keys(%newname)) {
 2717:                       if ($newname{$item} ne $origname{$item}) {
 2718:                           my $attrib_regexp = '';
 2719:                           if (@{$attribs{$item}} > 1) {
 2720:                               $attrib_regexp = join('|',@{$attribs{$item}});
 2721:                           } else {
 2722:                               $attrib_regexp = $attribs{$item}[0];
 2723:                           }
 2724:                           if ($content =~ m#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#) {
 2725:                           } 
 2726:                           $content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#$1$newname{$item}$2#gi;
 2727:                       }
 2728:                       if (exists($codebase{$item})) {
 2729:                           $content =~ s/(codebase\s*=\s*["']?)\Q$codebase{$item}\E(["']?)/$1.$2/i; #' stupid emacs
 2730:                       }
 2731:                   }
 2732: # Save edited file.
 2733:                   my $saveresult;
 2734:                   my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
 2735:                   my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2736:                   my $url = &Apache::lonnet::store_edited_file($primary_url,$content,$docudom,$docuname,\$saveresult);
 2737:               } else {
 2738:                   &Apache::lonnet::logthis('retrieval of uploaded file - '.$primary_url.' - for editing, failed: '.$getstatus);
 2739:               }
 2740:           }
 2741:       }
 2742:   }
 2743: 
 2744:   unless ($showdoc ||  $upload_result eq 'phasetwo') {
 2745: # -----------------------------------------------------------------------------
 2746:        my %lt=&Apache::lonlocal::texthash(
 2747:                 'uplm' => 'Upload a new main '.lc($type).' document',
 2748:                 'upls' => 'Upload a new supplemental '.lc($type).' document',
 2749:                 'impp' => 'Import a document',
 2750:                 'pubd' => 'Published Documents',
 2751: 		'copm' => 'All documents out of a published map into this folder',
 2752:                 'upld' => 'Upload Document',
 2753:                 'srch' => 'Search',
 2754:                 'impo' => 'Import',
 2755: 		'book' => 'Import Bookmarks',
 2756:                 'selm' => 'Select Map',
 2757:                 'load' => 'Load Map',
 2758:                 'reco' => 'Recover Deleted Resources',
 2759:                 'newf' => 'New Folder',
 2760:                 'newp' => 'New Composite Page',
 2761:                 'extr' => 'External Resource',
 2762:                 'syll' => 'Syllabus',
 2763:                 'navc' => 'Navigate Contents',
 2764:                 'sipa' => 'Simple Course Page',
 2765:                 'sipr' => 'Simple Problem',
 2766:                 'drbx' => 'Drop Box',
 2767:                 'scuf' => 'Score Upload Form',
 2768:                 'bull' => 'Discussion Board',
 2769:                 'mypi' => 'My Personal Information Page',
 2770:                 'grpo' => 'Group Portfolio',
 2771:                 'rost' => 'Course Roster',
 2772: 				'abou' => 'Personal Information Page for a User',
 2773:                 'imsf' => 'Import IMS package',
 2774:                 'file' =>  'File',
 2775:                 'title' => 'Title',
 2776:                 'comment' => 'Comment',
 2777:                 'parse' => 'Upload embedded images/multimedia files if HTML file!',
 2778: 		'nd' => 'New Document',
 2779: 		'pm' => 'Published Map',
 2780: 		'sd' => 'Special Document',
 2781: 		'mo' => 'More Options',
 2782: 		'hao' => 'Hide all Options'
 2783: 					  );
 2784: # -----------------------------------------------------------------------------
 2785: 	my $fileupload=(<<FIUP);
 2786: 	$lt{'file'}:<br />
 2787: 	<input type="file" name="uploaddoc" size="40" />
 2788: FIUP
 2789: 
 2790: 	my $checkbox=(<<CHBO);
 2791: 	<!-- <label>$lt{'parse'}?
 2792: 	<input type="checkbox" name="parserflag" />
 2793: 	</label> -->
 2794: 	<label>
 2795: 	<input type="checkbox" name="parserflag" checked="checked" /> $lt{'parse'}
 2796: 	</label>
 2797: CHBO
 2798: 
 2799: 	my $fileuploadform=(<<FUFORM);
 2800: 	<form name="uploaddocument" action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 2801: 	$fileupload
 2802: 	<br />
 2803: 	$lt{'title'}:<br />
 2804: 	<input type="text" size="50" name="comment" />
 2805: 	$uploadtag
 2806: 	<input type="hidden" name="cmd" value="upload_default" />
 2807: 	<br />
 2808: 	<span class="LC_nobreak">
 2809: 	$checkbox
 2810: 	</span>
 2811: 	<br />
 2812: 	<br />
 2813: 	<span class="LC_nobreak">
 2814: 	<input type="submit" value="$lt{'upld'}" />
 2815: 	 $help{'Uploading_From_Harddrive'}
 2816: 	</span>
 2817: 	</form>
 2818: FUFORM
 2819: 
 2820: 	my $simpleeditdefaultform=(<<SEDFFORM);
 2821: 	<form action="/adm/coursedocs" method="post" name="simpleeditdefault">
 2822: 	$lt{'pubd'}<br />
 2823: 	$uploadtag
 2824: 	<input type="button" onClick="javascript:groupsearch()" value="$lt{'srch'}" />
 2825: 	<br />
 2826: 	<span class="LC_nobreak">
 2827: 	<input type="button" onClick="javascript:groupimport();" value="$lt{'impo'}" />
 2828: 	$help{'Importing_LON-CAPA_Resource'}
 2829: 	</span>
 2830: 	<br />
 2831: 	<input type="button" onClick="javascript:groupopen(0,1,1);" value="$lt{'book'}" />
 2832: 	<hr />
 2833: 	<p>
 2834: 	$lt{'copm'}<br />
 2835: 	<input type="text" size="40" name="importmap" /><br />
 2836: 	<span class="LC_nobreak"><input type="button"
 2837: 	onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"
 2838: 	value="$lt{'selm'}" /> <input type="submit" name="loadmap" value="$lt{'load'}" />
 2839: 	$help{'Load_Map'}</span>
 2840: 	</p>
 2841: 	</form>
 2842: SEDFFORM
 2843: 
 2844: 	my $extresourcesform=(<<ERFORM);
 2845: 	<form action="/adm/coursedocs" method="post" name="newext">
 2846: 	$uploadtag
 2847: 	<input type="hidden" name="importdetail" value="" />
 2848: 	<span class="LC_nobreak">
 2849: 	<input name="newext" type="button" onClick="javascript:makenewext('newext');"
 2850: 	value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 2851: 	</span>
 2852: 	</form>
 2853: ERFORM
 2854: 
 2855:     if ($allowed) {
 2856: 	&update_paste_buffer($coursenum,$coursedom);
 2857:        my %lt=&Apache::lonlocal::texthash(
 2858: 					 'vc' => 'Verify Content',
 2859: 					 'cv' => 'Check/Set Resource Versions',
 2860: 					 'ls' => 'List Symbs',
 2861:                                          'sl' => 'Show Log'
 2862: 					  );
 2863: 
 2864:        my $folderpath=$env{'form.folderpath'};
 2865:        if (!$folderpath) {
 2866: 	   if ($env{'form.folder'} eq '' ||
 2867: 	       $env{'form.folder'} eq 'supplemental') {
 2868: 	       $folderpath='default&'.
 2869: 		   &escape(&mt('Main '.$type.' Documents'));
 2870: 	   }
 2871:        }
 2872:        unless ($env{'form.pagepath'}) {
 2873:            $containertag = '<input type="hidden" name="folderpath" value="" />';
 2874:            $uploadtag = '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($folderpath,'<>&"').'" />';
 2875:        }
 2876: 	$r->print(<<HIDDENFORM);
 2877: 	<form name="renameform" method="post" action="/adm/coursedocs">
 2878:    <input type="hidden" name="title" />
 2879:    <input type="hidden" name="cmd" />
 2880:    <input type="hidden" name="markcopy" />
 2881:    <input type="hidden" name="copyfolder" />
 2882:    $containertag
 2883:  </form>
 2884:  <form name="simpleedit" method="post" action="/adm/coursedocs">
 2885:    <input type="hidden" name="importdetail" value="" />
 2886:    $uploadtag
 2887:  </form>
 2888: HIDDENFORM
 2889:     }
 2890: # --------------------------------------------------------- Main tab structure
 2891:     my $activeClass = 1;
 2892:     my $active = '';
 2893:     $r->print('<ul class="LC_TabContentBigger" id="mainnav">');
 2894:     if (($standard) && ($allowed) && (!$forcesupplement) && (!$env{'form.suppactive'})) {
 2895:         if($activeClass == 1){
 2896:            $active = 'class="active"';
 2897: 	   $activeClass = 0;
 2898: 	}
 2899:     }
 2900:     $r->print('<li '.$active.'onclick="javascript:showPage(this,\'Main Course Documents\',\'mainnav\',\'maincoursedoc\');">'.&mt('Main Course Documents').'</li>');
 2901:     $active = '';
 2902:     if (!$forcestandard || $env{'form.suppactive'} ) {
 2903:         if($activeClass == 1){
 2904:            $active = 'class="active"';
 2905:         }
 2906:     }
 2907:     $r->print('<li '.$active.'onclick="javascript:showPage(this,\'Supplemental Course Documents\',\'mainnav\',\'maincoursedoc\');">'.&mt('Supplemental Course Documents').'</li>');
 2908:     $r->print('</ul><div class="LC_ContentBoxSpecial" style="margin:0 0;padding:0 0;"><div id="maincoursedoc" style="margin:0 0;padding:0 0;">');
 2909: # --------------------------------------------------------- Standard documents
 2910:     if (($standard) && ($allowed) && (!$forcesupplement)) {
 2911:        my $active = 'style="display: none;"';
 2912:        if($activeClass == 0){
 2913:           $active = 'style="display: block;"';
 2914:        }
 2915:        $r->print('<div class="LC_ContentBox" id="Main Course Documents" '.$active.'>');
 2916:         $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
 2917:                      &mt('Editing the Table of Contents for your '.$type)));
 2918:        my $folder=$env{'form.folder'};
 2919:        if ($folder eq '' || $folder eq 'supplemental') {
 2920:            $folder='default';
 2921: 	   $env{'form.folderpath'}='default&'.&escape(&mt('Main '.$type.' Documents'));
 2922:            $uploadtag = '<input type="hidden" name="folderpath" value="'.
 2923: 	       &HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />';
 2924:        }
 2925:        my $postexec='';
 2926:        if ($folder eq 'default') {
 2927: 	   $r->print('<script type="text/javascript">this.window.name="loncapaclient";</script>');
 2928:        } else {
 2929:            #$postexec='self.close();';
 2930:        }
 2931:        my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2932:                      '.sequence';
 2933:        my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2934:                      '.page';
 2935: 	my $container='sequence';
 2936: 	if ($env{'form.pagepath'}) {
 2937: 	    $container='page';
 2938: 	}
 2939: 	my $readfile='/uploaded/'.$coursedom.'/'.$coursenum.'/'.$folder.'.'.$container;
 2940: 
 2941: 
 2942: 
 2943: 	my $recoverform=(<<RFORM);
 2944: 	<form action="/adm/groupsort" method="post" name="recover">
 2945: 	<input type="button" name="recovermap" onClick="javascript:groupopen('$readfile',1,0)" value="$lt{'reco'}" />
 2946: 	</form>
 2947: RFORM
 2948: 
 2949: 	my $imspform=(<<IMSPFORM);
 2950: 	<form action="/adm/imsimportdocs" method="post" name="ims">
 2951: 	<input type="hidden" name="folder" value="$folder" />
 2952: 	<input name="imsimport" type="button" value="$lt{'imsf'}" onClick="javascript:makeims();" />
 2953: 	</form>
 2954: IMSPFORM
 2955: 
 2956: 	my $newnavform=(<<NNFORM);
 2957: 	<form action="/adm/coursedocs" method="post" name="newnav">
 2958: 	$uploadtag
 2959: 	<input type="hidden" name="importdetail" 
 2960: 	value="$lt{'navc'}=/adm/navmaps" />
 2961: 	<span class="LC_nobreak">
 2962: 	<input name="newnav" type="submit" value="$lt{'navc'}" />
 2963: 	$help{'Navigate_Content'}
 2964: 	</span>
 2965: 	</form>
 2966: NNFORM
 2967: 	my $newsmppageform=(<<NSPFORM);
 2968: 	<form action="/adm/coursedocs" method="post" name="newsmppg">
 2969: 	$uploadtag
 2970: 	<input type="hidden" name="importdetail" value="" />
 2971: 	<span class="LC_nobreak">
 2972: 	<input name="newsmppg" type="button" value="$lt{'sipa'}"
 2973: 	onClick="javascript:makesmppage();" /> $help{'Simple Page'}
 2974: 	</span>
 2975: 	</form>
 2976: NSPFORM
 2977: 
 2978: 	my $newsmpproblemform=(<<NSPROBFORM);
 2979: 	<form action="/adm/coursedocs" method="post" name="newsmpproblem">
 2980: 	$uploadtag
 2981: 	<input type="hidden" name="importdetail" value="" />
 2982: 	<span class="LC_nobreak">
 2983: 	<input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 2984: 	onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 2985: 	</span>
 2986: 	</form>
 2987: 
 2988: NSPROBFORM
 2989: 
 2990: 	my $newdropboxform=(<<NDBFORM);
 2991: 	<form action="/adm/coursedocs" method="post" name="newdropbox">
 2992: 	$uploadtag
 2993: 	<input type="hidden" name="importdetail" value="" />
 2994: 	<span class="LC_nobreak">
 2995: 	<input name="newdropbox" type="button" value="$lt{'drbx'}"
 2996: 	onClick="javascript:makedropbox();" />
 2997: 	</span>
 2998: 	</form>
 2999: NDBFORM
 3000: 
 3001: 	my $newexuploadform=(<<NEXUFORM);
 3002: 	<form action="/adm/coursedocs" method="post" name="newexamupload">
 3003: 	$uploadtag
 3004: 	<input type="hidden" name="importdetail" value="" />
 3005: 	<span class="LC_nobreak">
 3006: 	<input name="newexamupload" type="button" value="$lt{'scuf'}"
 3007: 	onClick="javascript:makeexamupload();" />
 3008: 	$help{'Score_Upload_Form'}
 3009: 	</span>
 3010: 	</form>
 3011: NEXUFORM
 3012: 
 3013: 	my $newbulform=(<<NBFORM);
 3014: 	<form action="/adm/coursedocs" method="post" name="newbul">
 3015: 	$uploadtag
 3016: 	<input type="hidden" name="importdetail" value="" />
 3017: 	<span class="LC_nobreak">
 3018: 	<input name="newbulletin" type="button" value="$lt{'bull'}"
 3019: 	onClick="javascript:makebulboard();" />
 3020: 	$help{'Bulletin Board'}
 3021: 	</span>
 3022: 	</form>
 3023: NBFORM
 3024: 
 3025: 	my $newaboutmeform=(<<NAMFORM);
 3026: 	<form action="/adm/coursedocs" method="post" name="newaboutme">
 3027: 	$uploadtag
 3028: 	<input type="hidden" name="importdetail" 
 3029: 	value="$plainname=/adm/$udom/$uname/aboutme" />
 3030: 	<span class="LC_nobreak">
 3031: 	<input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 3032: 	$help{'My Personal Information Page'}
 3033: 	</span>
 3034: 	</form>
 3035: NAMFORM
 3036: 
 3037: 	my $newaboutsomeoneform=(<<NASOFORM);
 3038: 	<form action="/adm/coursedocs" method="post" name="newaboutsomeone">
 3039: 	$uploadtag
 3040: 	<input type="hidden" name="importdetail" value="" />
 3041: 	<span class="LC_nobreak">
 3042: 	<input name="newaboutsomeone" type="button" value="$lt{'abou'}" 
 3043: 	onClick="javascript:makeabout();" />
 3044: 	</span>
 3045: 	</form>
 3046: NASOFORM
 3047: 
 3048: 
 3049: 	my $newrosterform=(<<NROSTFORM);
 3050: 	<form action="/adm/coursedocs" method="post" name="newroster">
 3051: 	$uploadtag
 3052: 	<input type="hidden" name="importdetail" 
 3053: 	value="$lt{'rost'}=/adm/viewclasslist" />
 3054: 	<span class="LC_nobreak">
 3055: 	<input name="newroster" type="submit" value="$lt{'rost'}" />
 3056: 	$help{'Course Roster'}
 3057: 	</span>
 3058: 	</form>
 3059: NROSTFORM
 3060: 
 3061: my $specialdocumentsform;
 3062: my $newfolderform;
 3063: 
 3064:        unless ($env{'form.pagepath'}) {
 3065: 	   my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 3066: 
 3067: 	my $newpageform=(<<NPFORM);
 3068: 	<form action="/adm/coursedocs" method="post" name="newpage">
 3069: 	<input type="hidden" name="folderpath" value="$path" />
 3070: 	<input type="hidden" name="importdetail" value="" />
 3071: 	<span class="LC_nobreak">
 3072: 	<input name="newpage" type="button"
 3073: 	onClick="javascript:makenewpage(this.form,'$pageseq');"
 3074: 	value="$lt{'newp'}" />$help{'Adding_Pages'}
 3075: 	</span>
 3076: 	</form>
 3077: NPFORM
 3078: 
 3079: 	$newfolderform=(<<NFFORM);
 3080: 	<form action="/adm/coursedocs" method="post" name="newfolder">
 3081: 	<input type="hidden" name="folderpath" value="$path" />
 3082: 	<input type="hidden" name="importdetail" value="" />
 3083: 	<span class="LC_nobreak">
 3084: 	<input name="newfolder" type="button"
 3085: 	onClick="javascript:makenewfolder(this.form,'$folderseq');"
 3086: 	value="$lt{'newf'}" />$help{'Adding_Folders'}
 3087: 	</span>
 3088: 	</form>
 3089: NFFORM
 3090: 
 3091: 	my $newsylform=(<<NSYLFORM);
 3092: 	<form action="/adm/coursedocs" method="post" name="newsyl">
 3093: 	$uploadtag
 3094: 	<input type="hidden" name="importdetail" 
 3095: 	value="$lt{'syll'}=/public/$coursedom/$coursenum/syllabus" />
 3096: 	<span class="LC_nobreak">
 3097: 	<input name="newsyl" type="submit" value="$lt{'syll'}" /> 
 3098: 	$help{'Syllabus'}
 3099: 	</span>
 3100: 	</form>
 3101: NSYLFORM
 3102: 	
 3103: 	my $newgroupfileform=(<<NGFFORM);
 3104: 	<form action="/adm/coursedocs" method="post" name="newgroupfiles">
 3105: 	$uploadtag
 3106: 	<input type="hidden" name="importdetail"
 3107: 	value="$lt{'grpo'}=/adm/$coursedom/$coursenum/aboutme" />
 3108: 	<span class="LC_nobreak">
 3109: 	<input name="newgroupfiles" type="submit" value="$lt{'grpo'}" />
 3110: 	$help{'Group Portfolio'}
 3111: 	</span>
 3112: 	</form>
 3113: NGFFORM
 3114: 
 3115: 	$specialdocumentsform="<br />$newpageform<br />$newsylform<br />$newgroupfileform";
 3116:       }
 3117: 	$specialdocumentsform.="<br />$newnavform<br />$newsmppageform
 3118: 				<br />$newsmpproblemform<br />$newdropboxform
 3119:        				<br />$newexuploadform<br />$newbulform
 3120:        				<br />$newaboutmeform<br />$newaboutsomeoneform
 3121:        				<br />$newrosterform";
 3122: if($env{'form.pagepath'}) {
 3123: 	$specialdocumentsform="<br />$newsmpproblemform<br />$newexuploadform";
 3124: }
 3125: 
 3126: my %orderhash = (
 3127:                 'aa' => 'New Document',
 3128:                 'bb' => 'Published Documents',
 3129:                 'cc' => 'Special Documents',
 3130: 		'dd' => 'More Tools',
 3131:                 'zz' => 'Hide all Options',
 3132:                 );
 3133: my %namehash = (
 3134:                 'New Document' => $fileuploadform.'<br />'.$newfolderform,
 3135:                 'Published Documents' => $simpleeditdefaultform,
 3136:                 'Special Documents' => $specialdocumentsform,
 3137: 		'More Tools' => $extresourcesform.'<br />'.$imspform.'<br />'.$recoverform.'<br />'.&generate_admin_options($containertag,$uploadtag,\%help,\%env),
 3138:                 );
 3139: my $tid='1';
 3140: my $content='content';
 3141: my $navigation='navigation';
 3142: my $varcd = 'Main Course Documents';
 3143: $r->print(&generate_edit_table($tid,$content,$navigation,$varcd,\%namehash,\%orderhash));
 3144:  $hadchanges=0;
 3145:         my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$type);
 3146:        if ($error) {
 3147:            $r->print('<p><span class="LC_error">'.$error.'</span></p>');
 3148:        }
 3149:        if ($hadchanges) {
 3150:            &mark_hash_old();
 3151:        }
 3152: 
 3153:        &changewarning($r,'');
 3154: $r->print('</div>');
 3155:        if ($env{'form.pagepath'}) {
 3156:        }
 3157:     }
 3158: # ----------------------------------------------------- Supplemental documents
 3159:     if (!$forcestandard) {
 3160:        my $active = 'style="display: none;"';
 3161:        if($activeClass == 1){
 3162:           $active = 'style="display: block;"';
 3163:        }
 3164:        $r->print('<div class="LC_ContentBox" id="Supplemental Course Documents" '.$active.'>');
 3165:        my $folder=$env{'form.folder'};
 3166:        unless ($folder=~/^supplemental/) {
 3167: 	   $folder='supplemental';
 3168:        }
 3169:        if ($folder =~ /^supplemental$/ &&
 3170: 	   (($env{'form.folderpath'} =~ /^default\&/) || ($env{'form.folderpath'} eq ''))) {
 3171:           $env{'form.folderpath'} = 'supplemental&'.
 3172:                                     &escape(&mt('Supplemental '.$type.' Documents'));
 3173:        }
 3174:        if ($allowed) {
 3175: 	   my $folderseq=
 3176: 	       '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
 3177: 	       '.sequence';
 3178: 
 3179: 	   my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 3180: 
 3181: 	my $supupdocform=(<<SUPDOCFORM);
 3182: 	<form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 3183: 	$fileupload
 3184: 	<br />
 3185: 	<br />
 3186: 	<span class="LC_nobreak">
 3187: 	$checkbox
 3188: 	</span>
 3189: 	<br /><br />
 3190: 	$lt{'comment'}:<br />
 3191: 	<textarea cols=50 rows=4 name='comment'>
 3192: 	</textarea>
 3193: 	<br />
 3194: 	<input type="hidden" name="folderpath" value="$path" />
 3195: 	<input type="hidden" name="suppactive" value="true" />
 3196: 	<input type="hidden" name="cmd" value="upload_supplemental" />
 3197: 	<span class="LC_nobreak">
 3198: 	<input type="submit" value="$lt{'upld'}" />
 3199: 	 $help{'Uploading_From_Harddrive'}
 3200: 	</span>
 3201: 	</form>
 3202: SUPDOCFORM
 3203: 
 3204: 	my $supnewfolderform=(<<SNFFORM);
 3205: 	<form action="/adm/coursedocs" method="post" name="supnewfolder">
 3206: 	<input type="hidden" name="folderpath" value="$path" />
 3207: 	<input type="hidden" name="importdetail" value="" />
 3208: 	<input type="hidden" name="suppactive" value="true" />
 3209: 	<span class="LC_nobreak">
 3210: 	<input name="newfolder" type="button"
 3211: 	onClick="javascript:makenewfolder(this.form,'$folderseq');"
 3212: 	value="$lt{'newf'}" /> $help{'Adding_Folders'}
 3213: 	</span>
 3214: 	</form>
 3215: SNFFORM
 3216: 
 3217: 
 3218: 	my $supnewextform=(<<SNEFORM);
 3219: 	<form action="/adm/coursedocs" method="post" name="supnewext">
 3220: 	<input type="hidden" name="folderpath" value="$path" />
 3221: 	<input type="hidden" name="importdetail" value="" />
 3222: 	<input type="hidden" name="suppactive" value="true" />
 3223: 	<span class="LC_nobreak">
 3224: 	<input name="newext" type="button" 
 3225: 	onClick="javascript:makenewext('supnewext');"
 3226: 	value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 3227: 	</span>
 3228: 	</form>
 3229: SNEFORM
 3230: 
 3231: 	my $supnewsylform=(<<SNSFORM);
 3232: 	<form action="/adm/coursedocs" method="post" name="supnewsyl">
 3233: 	<input type="hidden" name="folderpath" value="$path" />
 3234: 	<input type="hidden" name="importdetail" 
 3235: 	value="Syllabus=/public/$coursedom/$coursenum/syllabus" />
 3236: 	<input type="hidden" name="suppactive" value="true" />
 3237: 	<span class="LC_nobreak">
 3238: 	<input name="newsyl" type="submit" value="$lt{'syll'}" />
 3239: 	$help{'Syllabus'}
 3240: 	</span>
 3241: 	</form>
 3242: SNSFORM
 3243: 
 3244: 	my $supnewaboutmeform=(<<SNAMFORM);
 3245: 	<form action="/adm/coursedocs" method="post" name="subnewaboutme">
 3246: 	<input type="hidden" name="folderpath" value="$path" />
 3247: 	<input type="hidden" name="importdetail" 
 3248: 	value="$plainname=/adm/$udom/$uname/aboutme" />
 3249: 	<input type="hidden" name="suppactive" value="true" />
 3250: 	<span class="LC_nobreak">
 3251: 	<input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 3252: 	$help{'My Personal Information Page'}
 3253: 	</span>
 3254: 	</form>
 3255: SNAMFORM
 3256: 
 3257: 
 3258: 
 3259: my %suporderhash = (
 3260:                 'ee' => 'New Document',
 3261:                 'ff' => 'Special Documents',
 3262:                 'zz' => 'Hide all Options',
 3263:                 );
 3264: 
 3265: my %supnamehash = (
 3266:                 'New Document' => $supupdocform.'<br />'.$supnewfolderform,
 3267:                 'Special Documents' => $supnewextform.'<br />'.$supnewsylform.'<br />'.$supnewaboutmeform,
 3268:                 );
 3269: 
 3270: my $tid='2';
 3271: my $content='content';
 3272: my $navigation='navigation';
 3273: my $varscd = 'Supplemental Course Documents';
 3274: 
 3275: $r->print(&generate_edit_table($tid,$content,$navigation,$varscd,\%supnamehash,\%suporderhash));
 3276: my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$type);
 3277:        if ($error) {
 3278:            $r->print('<p><span class="LC_error">'.$error.'</span></p>');
 3279:        }
 3280: $r->print('</div>');
 3281: 	} 
 3282:    }
 3283: $r->print('</div>');
 3284:     if ($allowed) {
 3285: 	$r->print('
 3286: <form method="post" name="extimport" action="/adm/coursedocs">
 3287:   <input type="hidden" name="title" />
 3288:   <input type="hidden" name="url" />
 3289:   <input type="hidden" name="useform" />
 3290:   <input type="hidden" name="residx" />
 3291: </form>');
 3292:     }
 3293:   } else {
 3294:       unless ($upload_result eq 'phasetwo') {
 3295: # -------------------------------------------------------- This is showdoc mode
 3296:           $r->print("<h1>".&mt('Uploaded Document').' - '.
 3297: 		&Apache::lonnet::gettitle($r->uri).'</h1><p>'.
 3298: &mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><table>".
 3299:           &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table>');
 3300:       }
 3301:   }
 3302:  }
 3303:  $r->print(&Apache::loncommon::end_page());
 3304:  return OK;
 3305: } 
 3306: 
 3307: sub generate_admin_options {
 3308:   my ($containertag,$uploadtag,$help_ref,$env_ref) = @_;
 3309:  my %lt=&Apache::lonlocal::texthash(
 3310:                                          'vc' => 'Verify Content',
 3311:                                          'cv' => 'Check/Set Resource Versions',
 3312:                                          'ls' => 'List Symbs',
 3313:                                          'sl' => 'Show Log'
 3314:                                           );
 3315:   my %help = %{$help_ref};
 3316:   my %env = %{$env_ref};
 3317:   my $dumpbut=&dumpbutton();
 3318:   my $exportbut=&exportbutton();
 3319:   return (<<ENDOPTIONFORM);
 3320:  <form action="/adm/coursedocs" method="post" name="courseverify">
 3321:            <input type="submit" name="verify" value="$lt{'vc'}" />$help{'Verify_Content'}<br />
 3322:            <input type="submit" name="versions" value="$lt{'cv'}" />$help{'Check_Resource_Versions'}
 3323:            $dumpbut<br />
 3324:            $exportbut<br />
 3325:           <input type="submit" name="listsymbs" value="$lt{'ls'}" />
 3326:           <input type="hidden" name="folder" value="$env{'form.folder'}" /><br />
 3327:           <input type="submit" name="docslog" value="$lt{'sl'}" />
 3328:  </form>
 3329: ENDOPTIONFORM
 3330: 
 3331: }
 3332: 
 3333: 
 3334: sub generate_edit_table {
 3335:     my ($tid,$content,$navigation,$varcd,$namehash_ref,$orderhash_ref) = @_;
 3336:     my %namehash = %{$namehash_ref};
 3337:     my %orderhash = %{$orderhash_ref};
 3338:     my $form;
 3339: 
 3340:     $form = '<div class="LC_ContentBoxSpecial"><h4 class="LC_hcell">'.&mt($varcd).'</h4>';
 3341:     $form .= '<ul id="'.$navigation.$tid.'" class="LC_TabContent">';
 3342:     foreach my $name (sort(keys(%orderhash))){
 3343:         if($name eq 'zz'){
 3344:             $form .= '<span class="LC_Right"><li onclick="javascript:hideAll(this, \''.$navigation.$tid.'\' ,\''.$content.$tid.'\');" class="active">'.&mt($orderhash{$name}).'</li></span>';
 3345:         }else{
 3346:             $form .= '<li onclick="javascript:showPage(this, \''.$tid.$orderhash{$name}.'\', \''.$navigation.$tid.'\',\''.$content.$tid.'\');">'.&mt($orderhash{$name}).'</li>';
 3347:         }
 3348:     }
 3349:     $form .= '</ul>';
 3350:     $form .= '<div id="'.$content.$tid.'" style="padding: 0 0; margin: 0 0;">';
 3351:     foreach my $field (keys(%namehash)){
 3352:         $form .= '<div id="'.$tid.$field.'" class="LC_ContentBox" style="display: none;">'.$namehash{$field}.'</div>';
 3353:       }
 3354:     $form .= '</div></div>';
 3355:     
 3356:     return $form;
 3357: }
 3358: 
 3359: sub editing_js {
 3360:     my ($udom,$uname) = @_;
 3361:     my $now = time();
 3362:     my %lt = &Apache::lonlocal::texthash(
 3363:                                           p_mnf => 'Name of New Folder',
 3364:                                           t_mnf => 'New Folder',
 3365:                                           p_mnp => 'Name of New Page',
 3366:                                           t_mnp => 'New Page',
 3367:                                           p_mxu => 'Title for the Uploaded Score',
 3368:                                           p_msp => 'Name of Simple Course Page',
 3369:                                           p_msb => 'Title for the Problem',
 3370:                                           p_mdb => 'Title for the Drop Box',
 3371:                                           p_mbb => 'Title for the Discussion Board',
 3372:                                           p_mab => "Enter user:domain for User's Personal Information Page",
 3373:                                           p_mab2 => 'Personal Information Page of ',
 3374:                                           p_mab_alrt1 => 'Not a valid user:domain',
 3375:                                           p_mab_alrt2 => 'Please enter both user and domain in the format user:domain',
 3376:                                           p_chn => 'New Title',
 3377:                                           p_rmr1 => 'WARNING: Removing a resource makes associated grades and scores inaccessible!',
 3378:                                           p_rmr2a => 'Remove[_99]',
 3379:                                           p_rmr2b => '?[_99]',
 3380:                                           p_ctr1a => 'WARNING: Cutting a resource makes associated grades and scores inaccessible!',
 3381:                                           p_ctr1b => 'Grades remain inaccessible if resource is pasted into another folder.',
 3382:                                           p_ctr2a => 'Cut[_98]',
 3383:                                           p_ctr2b => '?[_98]'
 3384:                                         );
 3385: 
 3386:     return <<ENDNEWSCRIPT;
 3387: function makenewfolder(targetform,folderseq) {
 3388:     var foldername=prompt('$lt{"p_mnf"}','$lt{"t_mnf"}');
 3389:     if (foldername) {
 3390:        targetform.importdetail.value=escape(foldername)+"="+folderseq;
 3391:         targetform.submit();
 3392:     }
 3393: }
 3394: 
 3395: function makenewpage(targetform,folderseq) {
 3396:     var pagename=prompt('$lt{"p_mnp"}','$lt{"t_mnp"}');
 3397:     if (pagename) {
 3398:         targetform.importdetail.value=escape(pagename)+"="+folderseq;
 3399:         targetform.submit();
 3400:     }
 3401: }
 3402: 
 3403: function makenewext(targetname) {
 3404:     this.document.forms.extimport.useform.value=targetname;
 3405:     this.document.forms.extimport.title.value='';
 3406:     this.document.forms.extimport.url.value='';
 3407:     this.document.forms.extimport.residx.value='';
 3408:     window.open('/adm/rat/extpickframe.html');
 3409: }
 3410: 
 3411: function edittext(targetname,residx,title,url) {
 3412:     this.document.forms.extimport.useform.value=targetname;
 3413:     this.document.forms.extimport.residx.value=residx;
 3414:     this.document.forms.extimport.url.value=url;
 3415:     this.document.forms.extimport.title.value=title;
 3416:     window.open('/adm/rat/extpickframe.html');
 3417: }
 3418: 
 3419: function makeexamupload() {
 3420:    var title=prompt('$lt{"p_mxu"}');
 3421:    if (title) {
 3422:     this.document.forms.newexamupload.importdetail.value=
 3423: 	escape(title)+'=/res/lib/templates/examupload.problem';
 3424:     this.document.forms.newexamupload.submit();
 3425:    }
 3426: }
 3427: 
 3428: function makesmppage() {
 3429:    var title=prompt('$lt{"p_msp"}');
 3430:    if (title) {
 3431:     this.document.forms.newsmppg.importdetail.value=
 3432: 	escape(title)+'=/adm/$udom/$uname/$now/smppg';
 3433:     this.document.forms.newsmppg.submit();
 3434:    }
 3435: }
 3436: 
 3437: function makesmpproblem() {
 3438:    var title=prompt('$lt{"p_msb"}');
 3439:    if (title) {
 3440:     this.document.forms.newsmpproblem.importdetail.value=
 3441: 	escape(title)+'=/res/lib/templates/simpleproblem.problem';
 3442:     this.document.forms.newsmpproblem.submit();
 3443:    }
 3444: }
 3445: 
 3446: function makedropbox() {
 3447:    var title=prompt('$lt{"p_mdb"}');
 3448:    if (title) {
 3449:     this.document.forms.newdropbox.importdetail.value=
 3450:         escape(title)+'=/res/lib/templates/DropBox.problem';
 3451:     this.document.forms.newdropbox.submit();
 3452:    }
 3453: }
 3454: 
 3455: function makebulboard() {
 3456:    var title=prompt('$lt{"p_mbb"}');
 3457:    if (title) {
 3458:     this.document.forms.newbul.importdetail.value=
 3459: 	escape(title)+'=/adm/$udom/$uname/$now/bulletinboard';
 3460:     this.document.forms.newbul.submit();
 3461:    }
 3462: }
 3463: 
 3464: function makeabout() {
 3465:    var user=prompt("$lt{'p_mab'}");
 3466:    if (user) {
 3467:        var comp=new Array();
 3468:        comp=user.split(':');
 3469:        if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {
 3470: 	   if ((comp[0]) && (comp[1])) {
 3471: 	       this.document.forms.newaboutsomeone.importdetail.value=
 3472: 		   '$lt{"p_mab2"}'+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
 3473:        this.document.forms.newaboutsomeone.submit();
 3474:    } else {
 3475:        alert("$lt{'p_mab_alrt1'}");
 3476:    }
 3477: } else {
 3478:    alert("$lt{'p_mab_alrt2'}");
 3479: }
 3480: }
 3481: }
 3482: 
 3483: function makeims() {
 3484: var caller = document.forms.ims.folder.value;
 3485: var newlocation = "/adm/imsimportdocs?folder="+caller+"&phase=one";
 3486: newWindow = window.open("","IMSimport","HEIGHT=700,WIDTH=750,scrollbars=yes");
 3487: newWindow.location.href = newlocation;
 3488: }
 3489: 
 3490: 
 3491: function finishpick() {
 3492: var title=this.document.forms.extimport.title.value;
 3493: var url=this.document.forms.extimport.url.value;
 3494: var form=this.document.forms.extimport.useform.value;
 3495: var residx=this.document.forms.extimport.residx.value;
 3496: eval('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+'='+residx+'";this.document.forms.'+form+'.submit();');
 3497: }
 3498: 
 3499: function changename(folderpath,index,oldtitle,container,pagesymb) {
 3500: var title=prompt('$lt{"p_chn"}',oldtitle);
 3501: if (title) {
 3502: this.document.forms.renameform.markcopy.value=-1;
 3503: this.document.forms.renameform.title.value=title;
 3504: this.document.forms.renameform.cmd.value='rename_'+index;
 3505: if (container == 'sequence') {
 3506:     this.document.forms.renameform.folderpath.value=folderpath;
 3507: }
 3508: if (container == 'page') {
 3509:     this.document.forms.renameform.pagepath.value=folderpath;
 3510:     this.document.forms.renameform.pagesymb.value=pagesymb;
 3511: }
 3512: this.document.forms.renameform.submit();
 3513: }
 3514: }
 3515: 
 3516: function removeres(folderpath,index,oldtitle,container,pagesymb,skip_confirm) {
 3517: if (skip_confirm || confirm('$lt{"p_rmr1"}\\n\\n$lt{"p_rmr2a"} "'+oldtitle+'" $lt{"p_rmr2b"}')) {
 3518: this.document.forms.renameform.markcopy.value=-1;
 3519: this.document.forms.renameform.cmd.value='del_'+index;
 3520: if (container == 'sequence') {
 3521:     this.document.forms.renameform.folderpath.value=folderpath;
 3522: }
 3523: if (container == 'page') {
 3524:     this.document.forms.renameform.pagepath.value=folderpath;
 3525:     this.document.forms.renameform.pagesymb.value=pagesymb;
 3526: }
 3527: this.document.forms.renameform.submit();
 3528: }
 3529: }
 3530: 
 3531: function cutres(folderpath,index,oldtitle,container,pagesymb,folder,skip_confirm) {
 3532: if (skip_confirm || confirm('$lt{"p_ctr1a"}\\n$lt{"p_ctr1b"}\\n\\n$lt{"p_ctr2a"} "'+oldtitle+'" $lt{"p_ctr2b"}')) {
 3533: this.document.forms.renameform.cmd.value='cut_'+index;
 3534: this.document.forms.renameform.markcopy.value=index;
 3535: this.document.forms.renameform.copyfolder.value=folder+'.'+container;
 3536: if (container == 'sequence') {
 3537:     this.document.forms.renameform.folderpath.value=folderpath;
 3538: }
 3539: if (container == 'page') {
 3540:     this.document.forms.renameform.pagepath.value=folderpath;
 3541:     this.document.forms.renameform.pagesymb.value=pagesymb;
 3542: }
 3543: this.document.forms.renameform.submit();
 3544: }
 3545: }
 3546: 
 3547: function markcopy(folderpath,index,oldtitle,container,pagesymb,folder) {
 3548: this.document.forms.renameform.markcopy.value=index;
 3549: this.document.forms.renameform.copyfolder.value=folder+'.'+container;
 3550: if (container == 'sequence') {
 3551: this.document.forms.renameform.folderpath.value=folderpath;
 3552: }
 3553: if (container == 'page') {
 3554: this.document.forms.renameform.pagepath.value=folderpath;
 3555: this.document.forms.renameform.pagesymb.value=pagesymb;
 3556: }
 3557: this.document.forms.renameform.submit();
 3558: }
 3559: 
 3560: function unselectInactive(nav) {
 3561: currentNav = document.getElementById(nav);
 3562: currentLis = currentNav.getElementsByTagName('LI');
 3563: for (i = 0; i < currentLis.length; i++) {
 3564: 	currentLis[i].className = 'i';
 3565: }
 3566: }
 3567: 
 3568: function hideAll(current, nav, data) {
 3569: unselectInactive(nav);
 3570: current.className = 'active';
 3571: currentData = document.getElementById(data);
 3572: currentDivs = currentData.getElementsByTagName('DIV');
 3573: for (i = 0; i < currentDivs.length; i++) {
 3574: 	if(currentDivs[i].className == 'LC_ContentBox'){
 3575: 		currentDivs[i].style.display = 'none';
 3576: 	}
 3577: }
 3578: }
 3579: 
 3580: function showPage(current, pageId, nav, data) {
 3581: 	hideAll(current, nav, data);
 3582: 	unselectInactive(nav);
 3583: 	current.className = 'active';
 3584: 	currentData = document.getElementById(pageId);
 3585: 	currentData.style.display = 'block';
 3586: 	return false;
 3587: }
 3588: 
 3589: ENDNEWSCRIPT
 3590: }
 3591: 1;
 3592: __END__
 3593: 
 3594: 
 3595: =head1 NAME
 3596: 
 3597: Apache::londocs.pm
 3598: 
 3599: =head1 SYNOPSIS
 3600: 
 3601: This is part of the LearningOnline Network with CAPA project
 3602: described at http://www.lon-capa.org.
 3603: 
 3604: =head1 SUBROUTINES
 3605: 
 3606: =over
 3607: 
 3608: =item %help=()
 3609: 
 3610: Available help topics
 3611: 
 3612: =item mapread()
 3613: 
 3614: Mapread read maps into LONCAPA::map:: global arrays
 3615: @order and @resources, determines status
 3616: sets @order - pointer to resources in right order
 3617: sets @resources - array with the resources with correct idx
 3618: 
 3619: =item authorhosts()
 3620: 
 3621: Return hash with valid author names
 3622: 
 3623: =item dumpbutton()
 3624: 
 3625: Generate "dump" button
 3626: 
 3627: =item clean()
 3628: 
 3629: =item dumpcourse()
 3630: 
 3631:     Actually dump course
 3632: 
 3633: 
 3634: =item exportbutton()
 3635: 
 3636:     Generate "export" button
 3637: 
 3638: =item exportcourse()
 3639: 
 3640: =item create_ims_store()
 3641: 
 3642: =item build_package()
 3643: 
 3644: =item get_dependencies()
 3645: 
 3646: =item process_content()
 3647: 
 3648: =item replicate_content()
 3649: 
 3650: =item extract_media()
 3651: 
 3652: =item store_template()
 3653: 
 3654: =item group_import()
 3655: 
 3656:     Imports the given (name, url) resources into the course
 3657:     coursenum, coursedom, and folder must precede the list
 3658: 
 3659: =item breadcrumbs()
 3660: 
 3661: =item log_docs()
 3662: 
 3663: =item docs_change_log()
 3664: 
 3665: =item update_paste_buffer()
 3666: 
 3667: =item print_paste_buffer()
 3668: 
 3669: =item do_paste_from_buffer()
 3670: 
 3671: =item update_parameter()
 3672: 
 3673: =item handle_edit_cmd()
 3674: 
 3675: =item editor()
 3676: 
 3677: =item process_file_upload()
 3678: 
 3679: =item process_secondary_uploads()
 3680: 
 3681: =item is_supplemental_title()
 3682: 
 3683: =item parse_supplemental_title()
 3684: 
 3685: =item entryline()
 3686: 
 3687: =item tiehash()
 3688: 
 3689: =item untiehash()
 3690: 
 3691: =item checkonthis()
 3692: 
 3693: check on this
 3694: 
 3695: =item verifycontent()
 3696: 
 3697: Verify Content
 3698: 
 3699: =item devalidateversioncache() & checkversions()
 3700: 
 3701: Check Versions
 3702: 
 3703: =item mark_hash_old()
 3704: 
 3705: =item is_hash_old()
 3706: 
 3707: =item changewarning()
 3708: 
 3709: =item init_breadcrumbs()
 3710: 
 3711: Breadcrumbs for special functions
 3712: 
 3713: =back
 3714: 
 3715: =cut

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