File:  [LON-CAPA] / loncom / interface / londocs.pm
Revision 1.192: download - view: text, annotated - select for diffs
Mon Jun 27 21:40:38 2005 UTC (18 years, 11 months ago) by www
Branches: MAIN
CVS tags: HEAD
Saving my work on Bug #4127 - still having problems with "Invalid access"

After recently changing resource version for a course, &symbverify fails
in spite of both the URL and the given symb being correct.

Not sure what else needs to be reset.

    1: # The LearningOnline Network
    2: # Documents
    3: #
    4: # $Id: londocs.pm,v 1.192 2005/06/27 21:40:38 www Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: package Apache::londocs;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common :http);
   33: use Apache::imsexport;
   34: use Apache::lonnet;
   35: use Apache::loncommon;
   36: use Apache::lonratedt;
   37: use Apache::lonratsrv;
   38: use Apache::lonxml;
   39: use Apache::loncreatecourse;
   40: use Apache::lonnavmaps;
   41: use HTML::Entities;
   42: use GDBM_File;
   43: use Apache::lonlocal;
   44: use Cwd;
   45: 
   46: my $iconpath;
   47: 
   48: my %hash;
   49: 
   50: my $hashtied;
   51: my %alreadyseen=();
   52: 
   53: my $hadchanges;
   54: 
   55: # Available help topics
   56: 
   57: my %help=();
   58: 
   59: # Mapread read maps into lonratedt::global arrays 
   60: # @order and @resources, determines status
   61: # sets @order - pointer to resources in right order
   62: # sets @resources - array with the resources with correct idx
   63: #
   64: 
   65: sub mapread {
   66:     my ($coursenum,$coursedom,$map)=@_;
   67:     return
   68:       &Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   69:                                 $map);
   70: }
   71: 
   72: sub storemap {
   73:     my ($coursenum,$coursedom,$map)=@_;
   74:     my ($outtext,$errtext)=
   75:       &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   76:                                 $map,1);
   77:     if ($errtext) { return ($errtext,2); }
   78:     
   79:     $hadchanges=1;
   80:     return ($errtext,0);
   81: }
   82: 
   83: # ----------------------------------------- Return hash with valid author names
   84: 
   85: sub authorhosts {
   86:     my %outhash=();
   87:     my $home=0;
   88:     my $other=0;
   89:     foreach (keys %env) {
   90: 	if ($_=~/^user\.role\.(au|ca)\.(.+)$/) {
   91: 	    my $role=$1;
   92: 	    my $realm=$2;
   93: 	    my ($start,$end)=split(/\./,$env{$_});
   94: 	    if (($start) && ($start>time)) { next; }
   95: 	    if (($end) && (time>$end)) { next; }
   96: 	    my $ca; my $cd;
   97: 	    if ($1 eq 'au') {
   98: 		$ca=$env{'user.name'};
   99: 		$cd=$env{'user.domain'};
  100: 	    } else {
  101: 		($cd,$ca)=($realm=~/^\/(\w+)\/(\w+)$/);
  102: 	    }
  103: 	    my $allowed=0;
  104: 	    my $myhome=&Apache::lonnet::homeserver($ca,$cd);
  105: 	    my @ids=&Apache::lonnet::current_machine_ids();
  106: 	    foreach my $id (@ids) { if ($id eq $myhome) { $allowed=1; } }
  107: 	    if ($allowed) {
  108: 		$home++;
  109: 		$outhash{'home_'.$ca.'@'.$cd}=1;
  110: 	    } else {
  111: 		$outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;
  112: 		$other++;
  113: 	    }
  114: 	}
  115:     }
  116:     return ($home,$other,%outhash);
  117: }
  118: # ------------------------------------------------------ Generate "dump" button
  119: 
  120: sub dumpbutton {
  121:     my ($home,$other,%outhash)=&authorhosts();
  122:     if ($home+$other==0) { return ''; }
  123:     my $output='</td><td bgcolor="#DDDDCC">';
  124:     if ($home) {
  125: 	return '</td><td bgcolor="#DDDDCC">'.
  126: 	    '<input type="submit" name="dumpcourse" value="'.
  127: 	    &mt('Dump Course DOCS to Construction Space').'" />'.
  128: 	    &Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs');
  129:     } else {
  130: 	return'</td><td bgcolor="#DDDDCC">'.
  131:      &mt('Dump Course DOCS to Construction Space: available on other servers');
  132:     }
  133: }
  134: 
  135: sub clean {
  136:     my ($title)=@_;
  137:     $title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
  138:     return $title;	
  139: }
  140: # -------------------------------------------------------- Actually dump course
  141: 
  142: sub dumpcourse {
  143:     my $r=shift;
  144:     my $html=&Apache::lonxml::xmlbegin();
  145:     $r->print($html.'<head><title>Dump DOCS</title></head>'.
  146:         &Apache::loncommon::bodytag('Dump Course DOCS to Construction Space').
  147: 	      '<form name="dumpdoc" method="post">');
  148:     my ($home,$other,%outhash)=&authorhosts();
  149:     unless ($home) { return ''; }
  150:     my $origcrsid=$env{'request.course.id'};
  151:     my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
  152:     if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
  153: # Do the dumping
  154: 	unless ($outhash{'home_'.$env{'form.authorspace'}}) { return ''; }
  155: 	my ($ca,$cd)=split(/\@/,$env{'form.authorspace'});
  156: 	$r->print('<h3>'.&mt('Copying Files').'</h3>');
  157: 	my $title=$env{'form.authorfolder'};
  158: 	$title=&clean($title);
  159: 	my %replacehash=();
  160: 	foreach (keys %env) {
  161: 	    if ($_=~/^form\.namefor\_(.+)/) {
  162: 		$replacehash{$1}=$env{$_};
  163: 	    }
  164: 	}
  165: 	my $crs='/uploaded/'.$env{'request.course.id'}.'/';
  166: 	$crs=~s/\_/\//g;
  167: 	foreach (keys %replacehash) {
  168: 	    my $newfilename=$title.'/'.$replacehash{$_};
  169: 	    $newfilename=&clean($newfilename);
  170: 	    my @dirs=split(/\//,$newfilename);
  171: 	    my $path='/home/'.$ca.'/public_html';
  172: 	    my $makepath=$path;
  173: 	    my $fail=0;
  174: 	    for (my $i=0;$i<$#dirs;$i++) {
  175: 		$makepath.='/'.$dirs[$i];
  176: 		unless (-e $makepath) { 
  177: 		    unless(mkdir($makepath,0777)) { $fail=1; } 
  178: 		}
  179: 	    }
  180: 	    $r->print('<br /><tt>'.$_.'</tt> => <tt>'.$newfilename.'</tt>: ');
  181: 	    if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
  182: 		if ($_=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
  183: 		    print $fh &Apache::loncreatecourse::rewritefile(
  184:          &Apache::loncreatecourse::readfile($env{'request.course.id'},$_),
  185: 				     (%replacehash,$crs => '')
  186: 								    );
  187: 		} else {
  188: 		    print $fh
  189:          &Apache::loncreatecourse::readfile($env{'request.course.id'},$_);
  190: 		       }
  191: 		$fh->close();
  192: 	    } else {
  193: 		$fail=1;
  194: 	    }
  195: 	    if ($fail) {
  196: 		$r->print('<font color="red">fail</font>');
  197: 	    } else {
  198: 		$r->print('<font color="green">ok</font>');
  199: 	    }
  200: 	}
  201:     } else {
  202: # Input form
  203: 	unless ($home==1) {
  204: 	    $r->print(
  205: 		      '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');
  206: 	}
  207: 	foreach (sort keys %outhash) {
  208: 	    if ($_=~/^home_(.+)$/) {
  209: 		if ($home==1) {
  210: 		    $r->print(
  211: 		  '<input type="hidden" name="authorspace" value="'.$1.'" />');
  212: 		} else {
  213: 		    $r->print('<option value="'.$1.'">'.$1.' - '.
  214: 			      &Apache::loncommon::plainname(split(/\@/,$1)).'</option>');
  215: 		}
  216: 	    }
  217: 	}
  218: 	unless ($home==1) {
  219: 	    $r->print('</select>');
  220: 	}
  221: 	my $title=$origcrsdata{'description'};
  222: 	$title=~s/\s+/\_/gs;
  223: 	$title=&clean($title);
  224: 	$r->print('<h3>'.&mt('Folder in Construction Space').'</h3><input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
  225: 	&tiehash();
  226: 	$r->print('<h3>'.&mt('Filenames in Construction Space').'</h3><table border="2"><tr><th>'.&mt('Internal Filename').'</th><th>'.&mt('Title').'</th><th>'.&mt('Save as ...').'</th></tr>');
  227: 	foreach (&Apache::loncreatecourse::crsdirlist($origcrsid,'userfiles')) {
  228: 	    $r->print('<tr><td>'.$_.'</td>');
  229: 	    my ($ext)=($_=~/\.(\w+)$/);
  230: 	    my $title=$hash{'title_'.$hash{
  231: 		'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$_}};
  232: 	    $title=~s/&colon;/:/g;
  233: 	    $r->print('<td>'.($title?$title:'&nbsp;').'</td>');
  234: 	    unless ($title) {
  235: 		$title=$_;
  236: 	    }
  237: 	    $title=~s/\.(\w+)$//;
  238: 	    $title=&clean($title);
  239: 	    $title.='.'.$ext;
  240: 	    $r->print("\n<td><input type='text' size='60' name='namefor_".$_."' value='".$title."' /></td></tr>\n");
  241: 	}
  242: 	$r->print("</table>\n");
  243: 	&untiehash();
  244: 	$r->print(
  245:   '<p><input type="submit" name="dumpcourse" value="'.&mt('Dump Course DOCS').'" /></p></form>');
  246:     }
  247: }
  248: 
  249: # ------------------------------------------------------ Generate "export" button
  250: 
  251: sub exportbutton {
  252:     return '';
  253:     return '</td><td bgcolor="#DDDDCC">'.
  254:             '<input type="submit" name="exportcourse" value="'.
  255:             &mt('Export Course to IMS').'" />'.
  256:             &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs');
  257: }
  258: 
  259: sub exportcourse {
  260:     my $r=shift;
  261:     my %discussiontime = &Apache::lonnet::dump('discussiontimes',
  262:                                                $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
  263:     my $numdisc = keys %discussiontime;
  264:     my $navmap = Apache::lonnavmaps::navmap->new();
  265:     my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
  266:     my $curRes;
  267:     my $outcome;
  268: 
  269:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  270:                                             ['finishexport']);
  271:     if ($env{'form.finishexport'}) {
  272:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  273:                                             ['archive','discussion']);
  274: 
  275:         my @exportitems = &Apache::loncommon::get_env_multiple('form.archive');
  276:         my @discussions = &Apache::loncommon::get_env_multiple('form.discussion');
  277:         if (@exportitems == 0 && @discussions == 0) {
  278:             $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';
  279:         } else {
  280:             my $now = time;
  281:             my %symbs;
  282:             my $manifestok = 0;
  283:             my $imsresources;
  284:             my $tempexport;
  285:             my $copyresult;
  286:             my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
  287:             if ($manifestok) {
  288:                 &build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest);
  289:                 close($ims_manifest);
  290: 
  291: #Create zip file in prtspool
  292:                 my $imszipfile = '/prtspool/'.
  293:                 $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
  294:                    time.'_'.rand(1000000000).'.zip';
  295:                 my $cwd = &Cwd::getcwd();
  296:                 my $imszip = '/home/httpd/'.$imszipfile;
  297:                 chdir $tempexport;
  298:                 open(OUTPUT, "zip -r $imszip *  2> /dev/null |");
  299:                 close(OUTPUT);
  300:                 chdir $cwd;
  301:                 $outcome .= 'Download the zip file from <a href="'.$imszipfile.'">IMS course archive</a><br />';
  302:                 if ($copyresult) {
  303:                     $outcome .= 'The following errors occurred during export - '.$copyresult;
  304:                 }
  305:             } else {
  306:                 $outcome = '<br />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 />';
  307:             }
  308:         }
  309: 	my $html=&Apache::lonxml::xmlbegin();
  310:         $r->print($html.'<head><title>Export Course</title></head>'.
  311:             &Apache::loncommon::bodytag('Export course to IMS content package'));
  312:         $r->print($outcome);
  313:         $r->print('</body></html>');
  314:     } else {
  315:         my $display;
  316:         $display = '<form name="exportdoc" method="post">'."\n";
  317:         $display .= 'Choose which items you wish to export from your course.<br /><br />';
  318:         $display .= '<table border="0" cellspacing="0" cellpadding="3">'.
  319:                     '<tr><td><fieldset><legend>&nbsp;<b>Content items</b></legend>'.
  320:                     '<input type="button" value="check all" '.
  321:                     'onclick="javascript:checkAll(document.exportdoc.archive)" />'.
  322:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  323:                     ' onclick="javascript:uncheckAll(document.exportdoc.archive)" /></fieldset></td>'.
  324:                     '<td>&nbsp;</td><td>&nbsp;</td>'.
  325:                     '<td align="right"><fieldset><legend>&nbsp;<b>Discussion posts'.
  326:                     '</b></legend><input type="button" value="check all"'.
  327:                     ' onclick="javascript:checkAll(document.exportdoc.discussion)" />'.
  328:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  329:                     ' onclick="javascript:uncheckAll(document.exportdoc.discussion)" /></fieldset></td>'.
  330:                     '</tr></table>';
  331:         my $curRes;
  332:         my $depth = 0;
  333:         my $count = 0;
  334:         my $boards = 0;
  335:         my $startcount = 5;
  336:         my %parent = ();
  337:         my %children = ();
  338:         my $lastcontainer = $startcount;
  339:         my @bgcolors = ('#F6F6F6','#FFFFFF');
  340:         $display .= '<table cellspacing="0"><tr>'.
  341:             '<td><b>Export content item?<br /></b></td><td>&nbsp;</td><td align="right">'."\n";
  342:         if ($numdisc > 0) {
  343:             $display.='<b>Export&nbsp;discussion posts?</b>'."\n";
  344:         }
  345:         $display.='&nbsp;</td></tr>';
  346:         while ($curRes = $it->next()) {
  347:             if (ref($curRes)) {
  348:                 $count ++;
  349:             }
  350:             if ($curRes == $it->BEGIN_MAP()) {
  351:                 $depth++;
  352:                 $parent{$depth} = $lastcontainer;
  353:             }
  354:             if ($curRes == $it->END_MAP()) {
  355:                 $depth--;
  356:                 $lastcontainer = $parent{$depth};
  357:             }
  358:             if (ref($curRes)) {
  359:                 my $symb = $curRes->symb();
  360:                 my $ressymb = $symb;
  361:                 if ($ressymb =~ m|adm/(\w+)/(\w+)/(\d+)/bulletinboard$|) {
  362:                     unless ($ressymb =~ m|adm/wrapper/adm|) {
  363:                         $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  364:                     }
  365:                 }
  366:                 my $color = $count%2;
  367:                 $display .='<tr bgcolor='.$bgcolors[$color].'><td>'."\n".
  368:                     '<input type="checkbox" name="archive" value="'.$count.'" ';
  369:                 if (($curRes->is_sequence()) || ($curRes->is_page())) {
  370:                     my $checkitem = $count + $boards + $startcount;
  371:                     $display .= 'onClick="javascript:propagateCheck('."'$checkitem'".')"';
  372:                 }
  373:                 $display .= ' />'."\n";
  374:                 for (my $i=0; $i<$depth; $i++) {
  375:                     $display .= '<img src="/adm/lonIcons/whitespace1.gif" width="25" height="1" alt="" border="0" /><img src="/adm/lonIcons/whitespace1.gif" width="25" height="1" alt="" border="0" />'."\n";
  376:                 }
  377:                 if ($curRes->is_sequence()) {
  378:                     $display .= '<img src="/adm/lonIcons/navmap.folder.open.gif">&nbsp;'."\n";
  379:                     $lastcontainer = $count + $startcount + $boards;
  380:                 } elsif ($curRes->is_page()) {
  381:                     $display .= '<img src="/adm/lonIcons/navmap.page.open.gif">&nbsp;'."\n";
  382:                     $lastcontainer = $count + $startcount + $boards;
  383:                 }
  384:                 my $currelem = $count+$boards+$startcount;
  385:                 $children{$parent{$depth}} .= $currelem.':';
  386:                 $display .= '&nbsp;'.$curRes->title().'</td>';
  387:                 if ($discussiontime{$ressymb} > 0) {
  388:                     $boards ++;
  389:                     $currelem = $count+$boards+$startcount;
  390:                     $display .= '<td>&nbsp;</td><td align="right"><input type="checkbox" name="discussion" value="'.$count.'" />&nbsp;</td>'."\n";
  391:                 } else {
  392:                     $display .= '<td colspan="2">&nbsp;</td>'."\n";
  393:                 }
  394:             }
  395:         }
  396:         my $scripttag = qq|
  397: <script>
  398: 
  399: function checkAll(field) {
  400:     if (field.length > 0) {
  401:         for (i = 0; i < field.length; i++) {
  402:             field[i].checked = true ;
  403:         }
  404:     } else {
  405:         field.checked = true
  406:     }
  407: }
  408:                                                                                 
  409: function uncheckAll(field) {
  410:     if (field.length > 0) {
  411:         for (i = 0; i < field.length; i++) {
  412:             field[i].checked = false ;
  413:         }
  414:     } else {
  415:         field.checked = false ;
  416:     }
  417: }
  418: 
  419: function propagateCheck(item) {
  420:     if (document.exportdoc.elements[item].checked == true) {
  421:         containerCheck(item)
  422:     }
  423: } 
  424: 
  425: function containerCheck(item) {
  426:     document.exportdoc.elements[item].checked = true
  427:     var numitems = $count + $boards + $startcount
  428:     var parents = new Array(numitems)
  429:     for (var i=$startcount; i<numitems; i++) {
  430:         parents[i] = new Array
  431:     }
  432:         |;
  433: 
  434:         foreach my $container (sort { $a <=> $b } keys %children) {
  435:             my @contents = split/:/,$children{$container};
  436:             for (my $i=0; $i<@contents; $i ++) {
  437:                 $scripttag .= '    parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
  438:             }
  439:         }
  440: 
  441:         $scripttag .= qq|
  442:     if (parents[item].length > 0) {
  443:         for (var j=0; j<parents[item].length; j++) {
  444:             containerCheck(parents[item][j])
  445:         }
  446:      }   
  447: }
  448: 
  449: </script>
  450:         |;
  451: 	my $html=&Apache::lonxml::xmlbegin();
  452:         $r->print($html.'<head><title>Export Course</title>'.$scripttag.'</head>'.
  453:             &Apache::loncommon::bodytag('Export course to IMS content package'
  454: ));
  455: 
  456:         $r->print($display.'</table>'.
  457:                   '<p><input type="hidden" name="finishexport" value="1">'.
  458:                   '<input type="submit" name="exportcourse" value="'.
  459:                   &mt('Export Course DOCS').'" /></p></form></body></html>');
  460:     }
  461: }
  462: 
  463: sub create_ims_store {
  464:     my ($now,$manifestok,$outcome,$tempexport) = @_;
  465:     $$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
  466:     my $ims_manifest;
  467:     if (!-e $$tempexport) {
  468:         mkdir($$tempexport,0700);
  469:     }
  470:     $$tempexport .= '/'.$now;
  471:     if (!-e $$tempexport) {
  472:         mkdir($$tempexport,0700);
  473:     }
  474:     $$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
  475:     if (!-e $$tempexport) {
  476:         mkdir($$tempexport,0700);
  477:     }
  478:     if (!-e "$$tempexport/resources") {
  479:         mkdir("$$tempexport/resources",0700);
  480:     }
  481: # open manifest file
  482:     my $manifest = '/imsmanifest.xml';
  483:     my $manifestfilename = $$tempexport.$manifest;
  484:     if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
  485:         $$manifestok=1;
  486:         print $ims_manifest
  487: '<?xml version="1.0" encoding="UTF-8"?>'."\n".
  488: '<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"'.
  489: ' xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"'.
  490: ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'.
  491: ' identifier="MANIFEST-'.$env{'request.course.id'}.'-'.$now.'"'.
  492: '  xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1imscp_v1p1.xsd'.
  493: '  http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">'."\n".
  494: '  <organizations default="ORG-'.$env{'request.course.id'}.'-'.$now.'">'."\n".
  495: '    <organization identifier="ORG-'.$env{'request.course.id'}.'-'.$now.'"'.
  496: ' structure="hierarchical">'."\n".
  497: '      <title>'.$env{'request.'.$env{'request.course.id'}.'.description'}.'</title>'
  498:     } else {
  499:         $$outcome .= 'An error occurred opening the IMS manifest file.<br />'
  500: ;
  501:     }
  502:     return $ims_manifest;
  503: }
  504: 
  505: sub build_package {
  506:     my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
  507: # first iterator to look for dependencies
  508:     my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  509:     my $curRes;
  510:     my $count = 0;
  511:     my $depth = 0;
  512:     my $lastcontainer = 0;
  513:     my %parent = ();
  514:     my @dependencies = ();
  515:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  516:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  517:     while ($curRes = $it->next()) {
  518:         if (ref($curRes)) {
  519:             $count ++;
  520:         }
  521:         if ($curRes == $it->BEGIN_MAP()) {
  522:             $depth++;
  523:             $parent{$depth} = $lastcontainer;
  524:         }
  525:         if ($curRes == $it->END_MAP()) {
  526:             $depth--;
  527:             $lastcontainer = $parent{$depth};
  528:         }
  529:         if (ref($curRes)) {
  530:             if ($curRes->is_sequence() || $curRes->is_page()) {
  531:                 $lastcontainer = $count;
  532:             }
  533:             if (grep/^$count$/,@$exportitems) {
  534:                 &get_dependencies($exportitems,\%parent,$depth,\@dependencies);
  535:             }
  536:         }
  537:     }
  538: # second iterator to build manifest and store resources
  539:     $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  540:     $depth = 0;
  541:     my $prevdepth;
  542:     $count = 0;
  543:     my $imsresources;
  544:     my $pkgdepth;
  545:     my $included = 0;
  546:     while ($curRes = $it->next()) {
  547:         if ($curRes == $it->BEGIN_MAP()) {
  548:             $prevdepth = $depth;
  549:             $depth++;
  550:         }
  551:         if ($curRes == $it->END_MAP()) {
  552:             $prevdepth = $depth;
  553:             $depth--;
  554:         }
  555: 
  556:         if (ref($curRes)) {
  557:             $count ++;
  558:             if ((grep/^$count$/,@$exportitems) || (grep/^$count$/,@dependencies)) {
  559:                 my $symb = $curRes->symb();
  560:                 my $isvisible = 'true';
  561:                 my $resourceref;
  562:                 if ($curRes->randomout()) {
  563:                     $isvisible = 'false';
  564:                 }
  565:                 unless ($curRes->is_sequence()) {
  566:                     $resourceref = 'identifierref="RES-'.$env{'request.course.id'}.'-'.$count.'"';
  567:                 }
  568:                 if (($depth <= $prevdepth) && ($count > 1) && ($included)) {
  569:                     print $ims_manifest "\n".'  </item>'."\n";
  570:                 }
  571:                 $included = 1;
  572:                 $prevdepth = $depth;
  573: 
  574:                 my $itementry =
  575:               '<item identifier="ITEM-'.$env{'request.course.id'}.'-'.$count.
  576:               '" isvisible="'.$isvisible.'" '.$resourceref.'>'.
  577:               '<title>'.$curRes->title().'</title>';
  578:                 print $ims_manifest "\n".$itementry;
  579: 
  580:                 unless ($curRes->is_sequence()) {
  581:                     my $content_file;
  582:                     my @hrefs = ();
  583:                     &process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport);
  584:                     if ($content_file) {
  585:                         $imsresources .= "\n".
  586:                      '   <resource identifier="RES-'.$env{'request.course.id'}.'-'.$count.
  587:                      '" type="webcontent" href="'.$content_file.'">'."\n".
  588:                      '       <file href="'.$content_file.'" />'."\n";
  589:                         foreach (@hrefs) {
  590:                             $imsresources .=
  591:                      '        <file href="'.$_.'" />'."\n";
  592:                         }
  593:                         if (grep/^$count$/,@$discussions) {
  594:                             my $ressymb = $symb;
  595:                             my $mode;
  596:                             if ($ressymb =~ m|adm/(\w+)/(\w+)/(\d+)/bulletinboard$|) {
  597:                                 unless ($ressymb =~ m|adm/wrapper/adm|) {
  598:                                     $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  599:                                 }
  600:                                 $mode = 'board';
  601:                             }
  602:                             my %extras = (
  603:                                           caller => 'imsexport',
  604:                                           tempexport => $tempexport.'/resources',
  605:                                           count => $count
  606:                                          );
  607:                             my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras);
  608:                         }
  609:                         $imsresources .= '    </resource>'."\n";
  610:                     }
  611:                 }
  612:                 $pkgdepth = $depth;
  613:             } else {
  614:                 $included = 0;
  615:             }
  616:         }
  617:     }
  618:     while ($pkgdepth > 0) {
  619:         print $ims_manifest "    </item>\n";
  620:         $pkgdepth --;
  621:     }
  622:     my $resource_text = qq|
  623:     </organization>
  624:   </organizations>
  625:   <resources>
  626:     $imsresources
  627:   </resources>
  628: </manifest>
  629:     |;
  630:     print $ims_manifest $resource_text;
  631: }
  632: 
  633: sub get_dependencies {
  634:     my ($exportitems,$parent,$depth,$dependencies) = @_;
  635:     if ($depth > 1) {
  636:         if ((!grep/^$$parent{$depth}$/,@$exportitems) && (!grep/^$$parent{$depth}$/,@$dependencies)) {
  637:             push @$dependencies, $$parent{$depth};
  638:             if ($depth > 2) {
  639:                 &get_dependencies($exportitems,$parent,$depth-1,$dependencies);
  640:             }
  641:         }
  642:     }
  643: }
  644: 
  645: sub process_content {
  646:     my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
  647:     my $content_type;
  648:     my $message;
  649: # find where user is author or co-author
  650:     my @uploads = ();
  651:     if ($curRes->is_sequence()) {
  652:         $content_type = 'sequence';
  653:     } elsif ($curRes->is_page()) {
  654:         $content_type = 'page'; # need to handle individual items in pages.
  655:     } elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
  656:         $content_type = 'syllabus';
  657:         my $contents = &Apache::imsexport::templatedpage($content_type);
  658:         if ($contents) {
  659:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  660:         }
  661:     } elsif ($symb =~ m-\.sequence___\d+___ext-) {
  662:         $content_type = 'external';
  663:         my $title = $curRes->title;
  664:         my $contents =  &Apache::imsexport::external($symb,$title);
  665:         if ($contents) {
  666:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  667:         }
  668:     } elsif ($symb =~ m-adm/navmaps$-) {
  669:         $content_type =  'navmap';
  670:     } elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) {
  671:         $content_type = 'simplepage';
  672:         my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads);
  673:         if ($contents) {
  674:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  675:         }
  676:     } elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) {
  677:         $content_type = 'simpleproblem';
  678:         my $contents =  &Apache::imsexport::simpleproblem($symb);
  679:         if ($contents) {
  680:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  681:         }
  682:     } elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
  683:         $content_type = 'examupload';
  684:     } elsif ($symb =~ m-adm/(\w+)/(\w+)/(\d+)/bulletinboard$-) {
  685:         $content_type = 'bulletinboard';
  686:         my $contents =  &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
  687:         if ($contents) {
  688:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  689:         }
  690:     } elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) {
  691:         $content_type = 'aboutme';
  692:         my $contents =  &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2);
  693:         if ($contents) {
  694:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  695:         }
  696:     } elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) {
  697:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  698:     } elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) {
  699:         my $canedit = 0;
  700:         if ($2 eq $env{'user.domain'} && $3 eq $env{'user.name'})  {
  701:             $canedit= 1;
  702:         }
  703:         if ($canedit) {
  704:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource');
  705:         } else {
  706:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit');
  707:         }
  708:     } elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
  709:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  710:     }
  711:     if (@uploads > 0) {
  712:         foreach my $item (@uploads) {
  713:             my $uploadmsg = '';
  714:             &replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload');
  715:             if ($uploadmsg) {
  716:                 $$copyresult .= $uploadmsg."\n";
  717:             }
  718:         }
  719:     }
  720:     if ($message) {
  721:         $$copyresult .= $message."\n";
  722:     }
  723: }
  724: 
  725: sub replicate_content {
  726:     my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
  727:     my ($map,$ind,$url);
  728:     if ($caller eq 'templateupload') {
  729:         $url = $symb;
  730:         $url =~ s#//#/#g;
  731:     } else { 
  732:         ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
  733:     }
  734:     my $content;
  735:     my $filename;
  736:     my $repstatus;
  737:     my $content_name;
  738:     if ($url =~ m-/([^/]+)$-) {
  739:         $filename = $1;
  740:         if (!-e $tempexport.'/resources') {
  741:             mkdir($tempexport.'/resources',0700);
  742:         }
  743:         if (!-e $tempexport.'/resources/'.$count) {
  744:             mkdir($tempexport.'/resources/'.$count,0700);
  745:         }
  746:         my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
  747:         my $copiedfile;
  748:         if ($copiedfile = Apache::File->new('>'.$destination)) {
  749:             my $content;
  750:             if ($caller eq 'resource') {
  751:                 $content = &Apache::lonnet::getfile('/home/httpd/html/res/'.$url);
  752:                 if ($content eq -1) {
  753:                     $$message = 'Could not copy file '.$filename;
  754:                 } else {
  755:                     &extract_media($content,$count,$tempexport,$href,'resource');
  756:                     $repstatus = 'ok';
  757:                 }
  758:             } elsif ($caller eq 'uploaded' || $caller eq 'templateupload') {
  759:                 my $rtncode;
  760:                 $repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode);
  761:                 if ($repstatus eq 'ok') {
  762:                     if ($url =~ /\.html?$/i) {
  763:                         &extract_media(\$content,$count,$tempexport,$href,'uploaded');
  764:                     }
  765:                 } else {
  766:                     $$message = 'Could not render '.$url.' server message - '.$rtncode;
  767:                 }
  768:             } elsif ($caller eq 'noedit') {
  769: # Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this. 
  770:                 $repstatus = 'ok';
  771:                 $content = 'Not the owner of this resource'; 
  772:             }
  773:             if ($repstatus eq 'ok') {
  774:                 print $copiedfile $content;
  775:             }
  776:             close($copiedfile);
  777:         } else {
  778:             $$message = 'Could not open destination file for '.$filename."\n";
  779:         }
  780:     } else {
  781:         $$message = 'Could not determine name of file for '.$symb."\n";
  782:     }
  783:     if ($repstatus eq 'ok') {
  784:         $content_name = $count.'/'.$filename;
  785:     }
  786:     return $content_name;
  787: }
  788: 
  789: sub extract_media {
  790:     my ($content,$count,$tempexport,$href,$caller) = @_;
  791: # @$href will contain path to any embedded resources in the content.
  792: # For LON-CAPA problems this would be images. applets etc. 
  793: # For uploaded HTML files this would be images etc.
  794: # paths will be in the form $count/res/$file, and urls in the $content will be rewritten with the new paths. 
  795:     return;
  796: }
  797: 
  798: sub store_template {
  799:     my ($contents,$tempexport,$count,$content_type) = @_;
  800:     if ($contents) {
  801:         if ($tempexport) {
  802:             if (!-e $tempexport.'/resources') {
  803:                 mkdir($tempexport.'/resources',0700);
  804:             }
  805:             if (!-e $tempexport.'/resources/'.$count) {
  806:                 mkdir($tempexport.'/resources/'.$count,0700);
  807:             }
  808:             my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml';
  809:             my $storetemplate;
  810:             if ($storetemplate = Apache::File->new('>'.$destination)) {
  811:                 print $storetemplate $contents;
  812:                 close($storetemplate);
  813:             }
  814:             if ($content_type eq 'external') {
  815:                 return $count.'/'.$content_type.'.html';
  816:             } else {
  817:                 return $count.'/'.$content_type.'.xml';
  818:             }
  819:         }
  820:     }
  821: }
  822: 
  823: # Imports the given (name, url) resources into the course
  824: # coursenum, coursedom, and folder must precede the list
  825: sub group_import {
  826:     my $coursenum = shift;
  827:     my $coursedom = shift;
  828:     my $folder = shift;
  829:     my $container = shift;
  830:     my $caller = shift;
  831:     while (@_) {
  832: 	my $name = shift;
  833: 	my $url = shift;
  834:         if (($url =~ m#^/uploaded/$coursedom/$coursenum/(default_\d+\.)(page|sequence)$#) && ($caller eq 'londocs')) {
  835:             my $errtext = '';
  836:             my $fatal = 0;
  837:             my $newmapstr = '<map>'."\n".
  838:                             '<resource id="1" src="" type="start"></resource>'."\n".
  839:                             '<link from="1" to="2" index="1"></link>'."\n".
  840:                             '<resource id="2" src="" type="finish"></resource>'."\n".
  841:                             '</map>';
  842:             $env{'form.output'}=$newmapstr;
  843:             my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
  844:                                                 'output',$1.$2);
  845:             if ($result != m|^/uploaded/|) {
  846:                 $errtext.='Map not saved: A network error occured when trying to save the new map. ';
  847:                 $fatal = 2;
  848:             }
  849:             if ($fatal) {
  850:                 return ($errtext,$fatal);
  851:             }
  852:         }
  853: 	if ($url) {
  854: 	    my $idx = &Apache::lonratedt::getresidx($url);
  855: 	    $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=$idx;
  856: 	    my $ext = 'false';
  857: 	    if ($url=~/^http:\/\//) { $ext = 'true'; }
  858: 	    $url =~ s/:/\&colon;/g;
  859: 	    $name =~ s/:/\&colon;/g;
  860: 	    $Apache::lonratedt::resources[$idx] = 
  861: 		join ':', ($name, $url, $ext, 'normal', 'res');
  862: 	}
  863:     }
  864:     return &storemap($coursenum, $coursedom, $folder.'.'.$container);
  865: }
  866: 
  867: sub breadcrumbs {
  868:     my ($where)=@_;
  869:     &Apache::lonhtmlcommon::clear_breadcrumbs();
  870:     my (@folders);
  871:     if ($env{'form.pagepath'}) {
  872:         @folders = split('&',$env{'form.pagepath'});
  873:     } else {
  874:         @folders=split('&',$env{'form.folderpath'});
  875:     }
  876:     my $folderpath;
  877:     my $cpinfo='';
  878:     if ($env{'form.markedcopy_url'}) {
  879: 	&Apache::lonnet::logthis('Found '.$env{'form.markedcopy_url'});
  880:        $cpinfo='&markedcopy_url='.
  881:                &Apache::lonnet::escape($env{'form.markedcopy_url'}).
  882:                '&markedcopy_title='.
  883:                &Apache::lonnet::escape($env{'form.markedcopy_title'});
  884:     }
  885:     while (@folders) {
  886: 	my $folder=shift(@folders);
  887: 	my $foldername=shift(@folders);
  888: 	if ($folderpath) {$folderpath.='&';}
  889: 	$folderpath.=$folder.'&'.$foldername;
  890: 	my $url='/adm/coursedocs?folderpath='.
  891: 	    &Apache::lonnet::escape($folderpath);
  892: 	    &Apache::lonhtmlcommon::add_breadcrumb(
  893: 		      {'href'=>$url.$cpinfo,
  894: 		       'title'=>&Apache::lonnet::unescape($foldername),
  895: 		       'text'=>'<font size="+1">'.
  896: 			   &Apache::lonnet::unescape($foldername).'</font>'
  897: 		       });
  898: 		       
  899: 						 
  900:     }
  901:     return &Apache::lonhtmlcommon::breadcrumbs(undef,undef,undef,undef,undef,
  902: 					       0,'nohelp');
  903: }
  904: 
  905: sub editor {
  906:     my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output)=@_;
  907:     my $errtext='';
  908:     my $fatal=0;
  909:     my $container='sequence';
  910:     if ($env{'form.pagepath'}) {
  911:         $container='page';
  912:     }
  913:     ($errtext,$fatal)=
  914:               &mapread($coursenum,$coursedom,$folder.'.'.$container);
  915:     if ($#Apache::lonratedt::order<1) {
  916: 	my $idx=&Apache::lonratedt::getresidx();
  917: 	if ($idx<=0) { $idx=1; }
  918:        	$Apache::lonratedt::order[0]=$idx;
  919:         $Apache::lonratedt::resources[$idx]='';
  920:     }
  921:     if (defined($env{'form.markcopy'})) {
  922: # Mark for copying
  923: 	my ($title,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$env{'form.markcopy'}]]);
  924: 	$env{'form.markedcopy_title'}=$title;
  925: 	$env{'form.markedcopy_url'}=$url;
  926:     }
  927:     $r->print(&breadcrumbs($folder));
  928:     if ($fatal) {
  929: 	   $r->print('<p><font color="red">'.$errtext.'</font></p>');
  930:     } else {
  931: # ------------------------------------------------------------ Process commands
  932: 
  933: # ---------------- if they are for this folder and user allowed to make changes
  934: 	if (($allowed) && ($env{'form.folder'} eq $folder)) {
  935: # set parameters and change order
  936: 	    if (defined($env{'form.setparms'})) {
  937: 		my $idx=$env{'form.setparms'};
  938: # set parameters
  939: 		if ($env{'form.randpick_'.$idx}) {
  940: 		    &Apache::lonratedt::storeparameter($idx,'parameter_randompick',$env{'form.randpick_'.$idx},'int_pos');
  941: 		} else {
  942: 		    &Apache::lonratedt::delparameter($idx,'parameter_randompick');
  943: 		}
  944: 		if ($env{'form.hidprs_'.$idx}) {
  945: 		    &Apache::lonratedt::storeparameter($idx,'parameter_hiddenresource','yes','string_yesno');
  946: 		} else {
  947: 		    &Apache::lonratedt::delparameter($idx,'parameter_hiddenresource');
  948: 		}
  949: 		if ($env{'form.encprs_'.$idx}) {
  950: 		    &Apache::lonratedt::storeparameter($idx,'parameter_encrypturl','yes','string_yesno');
  951: 		} else {
  952: 		    &Apache::lonratedt::delparameter($idx,'parameter_encrypturl');
  953: 		}
  954: 
  955: 		if ($env{'form.newpos'}) {
  956: # change order
  957: 
  958: 		    my $newpos=$env{'form.newpos'}-1;
  959: 		    my $currentpos=$env{'form.currentpos'}-1;
  960: 		    my $i;
  961: 		    my @neworder=();
  962: 		    if ($newpos>$currentpos) {
  963: # moving stuff up
  964: 			for ($i=0;$i<$currentpos;$i++) {
  965: 			    $neworder[$i]=$Apache::lonratedt::order[$i];
  966: 			}
  967: 			for ($i=$currentpos;$i<$newpos;$i++) {
  968: 			    $neworder[$i]=$Apache::lonratedt::order[$i+1];
  969: 			}
  970:                         $neworder[$newpos]=$Apache::lonratedt::order[$currentpos];
  971: 			for ($i=$newpos+1;$i<=$#Apache::lonratedt::order;$i++) {
  972: 			    $neworder[$i]=$Apache::lonratedt::order[$i];
  973: 			}
  974: 		    } else {
  975: # moving stuff down
  976: 			for ($i=0;$i<$newpos;$i++) {
  977: 			    $neworder[$i]=$Apache::lonratedt::order[$i];
  978: 			}
  979: 			$neworder[$newpos]=$Apache::lonratedt::order[$currentpos];
  980: 			for ($i=$newpos+1;$i<$currentpos+1;$i++) {
  981: 			    $neworder[$i]=$Apache::lonratedt::order[$i-1];
  982: 			}
  983: 			for ($i=$currentpos+1;$i<=$#Apache::lonratedt::order;$i++) {
  984: 			    $neworder[$i]=$Apache::lonratedt::order[$i];
  985: 			}
  986: 		    }
  987: 		    @Apache::lonratedt::order=@neworder;
  988: 		}
  989: # store the changed version
  990: 
  991: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
  992: 		if ($fatal) {
  993: 		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
  994: 		    return;
  995: 		}
  996: 		
  997: 	    }
  998: 	    if ($env{'form.pastemarked'}) {
  999: # paste resource to end of list
 1000:                 my $url=$env{'form.markedcopy_url'};
 1001: 		my $title=$env{'form.markedcopy_title'};
 1002: # Maps need to be copied first
 1003: 		if (($url=~/\.(page|sequence)$/) || ($url=~/^\/uploaded\//)) {
 1004: 		    $title=&mt('Copy of').' '.$title;
 1005:                     my $newid=$$.time;
 1006: 		    $url=~/^(.+)\.(\w+)$/;
 1007: 		    my $newurl=$1.$newid.'.'.$2;
 1008: 		    my $storefn=$newurl;
 1009:                     $storefn=~s/^\/\w+\/\w+\/\w+\///;
 1010: 		    &Apache::loncreatecourse::writefile
 1011: 			($env{'request.course.id'},$storefn,
 1012: 			 &Apache::lonnet::getfile($url));
 1013: 		    $url=$newurl;
 1014: 		}
 1015: 		$title=~s/\</\&lt\;/g;
 1016: 		$title=~s/\>/\&gt\;/g;
 1017: 		$title=~s/\:/\&colon;/g;
 1018: 		my $ext='false';
 1019: 		if ($url=~/^http\:\/\//) { $ext='true'; }
 1020: 		$url=~s/\:/\&colon;/g;
 1021: # Now insert the URL at the bottom
 1022:                 my $newidx=&Apache::lonratedt::getresidx($url);
 1023: 		$Apache::lonratedt::resources[$newidx]=
 1024: 		    $title.':'.$url.':'.$ext.':normal:res';
 1025: 		$Apache::lonratedt::order[1+$#Apache::lonratedt::order]=$newidx;
 1026: # Store the result
 1027: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1028: 		if ($fatal) {
 1029: 		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1030: 		    return;
 1031: 		}
 1032: 
 1033: 	    }
 1034:             $r->print($upload_output);
 1035: 	    if ($env{'form.cmd'}) {
 1036:                 my ($cmd,$idx)=split(/\_/,$env{'form.cmd'});
 1037:                 if ($cmd eq 'del') {
 1038: 		    my (undef,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]]);
 1039: 		    if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
 1040: 			($url!~/\.(page|sequence|problem|exam|quiz|assess|survey|form|library)$/)) {
 1041: 			&Apache::lonnet::removeuploadedurl($url);
 1042: 		    } else {
 1043: 			&Apache::lonratedt::makezombie($Apache::lonratedt::order[$idx]);
 1044: 		    }
 1045: 		    for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
 1046:                         $Apache::lonratedt::order[$i]=
 1047:                           $Apache::lonratedt::order[$i+1];
 1048:                     }
 1049:                     $#Apache::lonratedt::order--;
 1050:                 } elsif ($cmd eq 'cut') {
 1051: 		    my (undef,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]]);
 1052: 		    &Apache::lonratedt::makezombie($Apache::lonratedt::order[$idx]);
 1053: 		    for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
 1054:                         $Apache::lonratedt::order[$i]=
 1055:                           $Apache::lonratedt::order[$i+1];
 1056:                     }
 1057:                     $#Apache::lonratedt::order--;
 1058:                 } elsif ($cmd eq 'up') {
 1059: 		  if (($idx) && (defined($Apache::lonratedt::order[$idx-1]))) {
 1060:                     my $i=$Apache::lonratedt::order[$idx-1];
 1061:                     $Apache::lonratedt::order[$idx-1]=
 1062: 			$Apache::lonratedt::order[$idx];
 1063:                     $Apache::lonratedt::order[$idx]=$i;
 1064: 		   }
 1065:                 } elsif ($cmd eq 'down') {
 1066: 		   if (defined($Apache::lonratedt::order[$idx+1])) {
 1067:                     my $i=$Apache::lonratedt::order[$idx+1];
 1068:                     $Apache::lonratedt::order[$idx+1]=
 1069: 			$Apache::lonratedt::order[$idx];
 1070:                     $Apache::lonratedt::order[$idx]=$i;
 1071: 		   }
 1072:                 } elsif ($cmd eq 'rename') {
 1073:                     my $ratstr = $Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]];
 1074:                     my ($rtitle,@rrest)=split(/\:/,
 1075:                        $Apache::lonratedt::resources[
 1076: 				       $Apache::lonratedt::order[$idx]]);
 1077:                     my $comment=
 1078:                      &HTML::Entities::decode($env{'form.title'});
 1079:                     $comment=~s/\</\&lt\;/g;
 1080:                     $comment=~s/\>/\&gt\;/g;
 1081:                     $comment=~s/\:/\&colon;/g;
 1082: 		    if ($comment=~/\S/) {
 1083: 			$Apache::lonratedt::resources[
 1084: 				       $Apache::lonratedt::order[$idx]]=
 1085: 				            $comment.':'.join(':',@rrest);
 1086: 		    }
 1087:                 }
 1088: # Store the changed version
 1089: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1090: 					    $folder.'.'.$container);
 1091: 		if ($fatal) {
 1092: 		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1093: 		    return;
 1094: 		}
 1095:             }
 1096: # Group import/search
 1097: 	    if ($env{'form.importdetail'}) {
 1098: 		my @imports;
 1099: 		foreach (split(/\&/,$env{'form.importdetail'})) {
 1100: 		    if (defined($_)) {
 1101: 			my ($name,$url)=split(/\=/,$_);
 1102: 			$name=&Apache::lonnet::unescape($name);
 1103: 			$url=&Apache::lonnet::unescape($url);
 1104: 			push @imports, $name, $url;
 1105: 		    }
 1106: 		}
 1107: # Store the changed version
 1108: 		($errtext,$fatal)=group_import($coursenum, $coursedom, $folder,
 1109: 					       $container,'londocs',@imports);
 1110: 		if ($fatal) {
 1111: 		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1112: 		    return;
 1113: 		}
 1114:             }
 1115: # Loading a complete map
 1116: 	   if (($env{'form.importmap'}) && ($env{'form.loadmap'})) {
 1117: 	       foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$env{'form.importmap'}))) {
 1118: 		   my ($title,$url,$ext,$type)=split(/\:/,$_);
 1119:                    my $idx=&Apache::lonratedt::getresidx($url);
 1120:                    $Apache::lonratedt::resources[$idx]=$_;
 1121:                    $Apache::lonratedt::order
 1122: 		       [$#Apache::lonratedt::order+1]=$idx;
 1123: 	       }
 1124: 
 1125: # Store the changed version
 1126: 	       ($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1127: 					   $folder.'.'.$container);
 1128: 	       if ($fatal) {
 1129: 		   $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1130: 		   return;
 1131: 	       }
 1132:            }
 1133:        }
 1134: # ---------------------------------------------------------------- End commands
 1135: # ---------------------------------------------------------------- Print screen
 1136:         my $idx=0;
 1137: 	my $shown=0;
 1138:         $r->print('<table>');
 1139:         foreach (@Apache::lonratedt::order) {
 1140:            my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]);
 1141:            unless ($name) {  $name=(split(/\//,$url))[-1]; }
 1142:            unless ($name) { $idx++; next; }
 1143:            $r->print(&entryline($idx,$name,$url,$folder,$allowed,$_,$coursenum));
 1144:            $idx++;
 1145: 	   $shown++;
 1146:         }
 1147: 	unless ($shown) {
 1148: 	    $r->print('<tr><td>'.&mt('Currently no documents.').'</td></tr>');
 1149: 	}
 1150:         $r->print("\n</table>\n");
 1151: 	if ($env{'form.markedcopy_url'}) {
 1152: 	    $r->print(<<ENDPASTE);
 1153: <p><form name="pasteform" action="/adm/coursedocs" method="post">
 1154: <input type="hidden" name="markedcopy_url" value="$env{'form.markedcopy_url'}" />
 1155: <input type="hidden" name="markedcopy_title" value="$env{'form.markedcopy_title'}" />
 1156: ENDPASTE
 1157:             $r->print(
 1158: 	   '<input type="submit" name="pastemarked" value="'.&mt('Paste').
 1159: 		      '" /> '.&Apache::loncommon::filedescription(
 1160: 		(split(/\./,$env{'form.markedcopy_url'}))[-1]).': '.
 1161: 		      $env{'form.markedcopy_title'});
 1162:             if ($container eq 'page') {
 1163: 		$r->print(<<PAGEINFO);
 1164: <input type="hidden" name="pagepath" value="$env{'form.pagepath'}" />
 1165: <input type="hidden" name="pagesymb" value="$env{'form.pagesymb'}" />
 1166: PAGEINFO
 1167:             } else {
 1168: 		$r->print(<<FOLDERINFO);
 1169: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 1170: FOLDERINFO
 1171: 	    }
 1172: 	    $r->print('</form></p>');
 1173: 	}
 1174:     }
 1175: }
 1176: 
 1177: sub process_file_upload {
 1178:     my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase) = @_;
 1179: # upload a file, if present
 1180:     my $parseaction;
 1181:    if ($env{'form.parserflag'}) {
 1182:         $parseaction = 'parse';
 1183:     }
 1184:     my $phase_status;
 1185:     my $folder=$env{'form.folder'};
 1186:     if ($folder eq '' || $folder eq 'supplemental') {
 1187:         $folder='default';
 1188:     }
 1189:     if ( ($folder=~/^$1/) || ($1 eq 'default') ) {
 1190:         my $errtext='';
 1191:         my $fatal=0;
 1192:         my $container='sequence';
 1193:         if ($env{'form.pagepath'}) {
 1194:             $container='page';
 1195:         }
 1196:         ($errtext,$fatal)=
 1197:               &mapread($coursenum,$coursedom,$folder.'.'.$container);
 1198:         if ($#Apache::lonratedt::order<1) {
 1199:             $Apache::lonratedt::order[0]=1;
 1200:             $Apache::lonratedt::resources[1]='';
 1201:         }
 1202:         if ($fatal) {
 1203:             return 'failed';
 1204:         }
 1205:         my $destination = 'docs/';
 1206:         if ($folder eq 'default') {
 1207:             $destination .= 'default/';
 1208:         } elsif ($folder =~ /^default_(\d+)$/) {
 1209:             $destination .=  $1.'/';
 1210:         }
 1211: # this is for a course, not a user, so set coursedoc flag
 1212: # probably the only place in the system where this should be "1"
 1213:         my $newidx=&Apache::lonratedt::getresidx();
 1214:         $destination .= $newidx;
 1215:         my $url=&Apache::lonnet::userfileupload('uploaddoc',1,$destination,
 1216: 						$parseaction,$allfiles,
 1217: 						$codebase);
 1218:         my $ext='false';
 1219:         if ($url=~/^http\:\/\//) { $ext='true'; }
 1220:         $url=~s/\:/\&colon;/g;
 1221:         my $comment=$env{'form.comment'};
 1222:         $comment=~s/\</\&lt\;/g;
 1223:         $comment=~s/\>/\&gt\;/g;
 1224:         $comment=~s/\:/\&colon;/g;
 1225:         if ($folder=~/^supplemental/) {
 1226:               $comment=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1227:                   $env{'user.domain'}.'___&&&___'.$comment;
 1228:         }
 1229: 
 1230:         $Apache::lonratedt::resources[$newidx]=
 1231:                   $comment.':'.$url.':'.$ext.':normal:res';
 1232:         $Apache::lonratedt::order[$#Apache::lonratedt::order+1]= $newidx;
 1233:         ($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1234: 				    $folder.'.'.$container);
 1235:         if ($fatal) {
 1236:             $$upload_output .= '<p><font color="red">'.$errtext.'</font></p>';
 1237:             return 'failed';
 1238:         } else {
 1239:             if ($parseaction eq 'parse') {
 1240:                 my $total_embedded = keys(%{$allfiles});
 1241:                 if ($total_embedded > 0) {
 1242:                     my $num = 0;
 1243:                     $$upload_output .= 'This file contains embedded multimedia objects, which need to be uploaded to LON-CAPA.<br />
 1244:    <form name="upload_embedded" action="/adm/coursedocs"
 1245:                   method="post" enctype="multipart/form-data">
 1246:    <input type="hidden" name="folderpath" value="'.$env{'form.folderpath'}.'" />   <input type="hidden" name="cmd" value="upload_embedded" />
 1247:    <input type="hidden" name="newidx" value="'.$newidx.'" />
 1248:    <input type="hidden" name="primaryurl" value="'.&Apache::lonnet::escape($url).'" />
 1249:    <input type="hidden" name="phasetwo" value="'.$total_embedded.'" />';
 1250:                     $$upload_output .= '<b>Upload embedded files</b>:<br />
 1251:    <table>';
 1252:                     foreach my $embed_file (keys(%{$allfiles})) {
 1253:                         $$upload_output .= '<tr><td>'.$embed_file.
 1254:           '<input name="embedded_item_'.$num.'" type="file" />
 1255:            <input name="embedded_orig_'.$num.'" type="hidden" value="'.&Apache::lonnet::escape($embed_file).'" />';
 1256:                         my $attrib;
 1257:                         if (@{$$allfiles{$embed_file}} > 1) {
 1258:                             $attrib = join(':',@{$$allfiles{$embed_file}});
 1259:                         } else {
 1260:                             $attrib = $$allfiles{$embed_file}[0];
 1261:                         }
 1262:                         $$upload_output .=
 1263:            '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.$attrib.'" />';
 1264:                         if (exists($$codebase{$embed_file})) {
 1265:                             $$upload_output .= 
 1266:           '<input name="codebase_'.$num.'" type="hidden" value="'.&Apache::lonnet::escape($$codebase{$embed_file}).'" />';
 1267:                         }
 1268:                         $$upload_output .= '</td></tr>';
 1269:                         $num ++;
 1270:                     }
 1271:                     $phase_status = 'phasetwo';
 1272:                     $$upload_output .= '</table><br />
 1273:    <input type ="submit" value="Complete upload" />
 1274:    </form>';
 1275:                 } else {
 1276:                     $$upload_output .= 'No embedded items identified<br />';
 1277:                 }
 1278:             }
 1279:         }
 1280:     }
 1281:     return $phase_status;
 1282: }
 1283: 
 1284: sub process_secondary_uploads {
 1285:     my ($upload_output,$coursedom,$coursenum,$formname,$num,$newidx) = @_;
 1286:     my $folder=$env{'form.folder'};
 1287:     my $destination = 'docs/';
 1288:     if ($folder eq 'default') {
 1289:         $destination .= 'default/';
 1290:     } elsif ($folder =~ /^default_(\d+)$/) {
 1291:         $destination .=  $1.'/';
 1292:     }
 1293:     $destination .= $newidx;
 1294:     my ($url,$filename);
 1295:     $url=&Apache::lonnet::userfileupload($formname.$num,1,$destination);
 1296:     ($filename) = ($url =~ m-^/uploaded/$coursedom/$coursenum/$destination/(.+)$-);
 1297:     return $filename;
 1298: }
 1299: 
 1300: # --------------------------------------------------------------- An entry line
 1301: 
 1302: sub entryline {
 1303:     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum)=@_;
 1304:     $title=~s/\&colon\;/\:/g;
 1305:     $title=&HTML::Entities::encode(&HTML::Entities::decode(
 1306:      &Apache::lonnet::unescape($title)),'"<>&\'');
 1307:     my $renametitle=$title;
 1308:     my $foldertitle=$title;
 1309:     my $pagetitle=$title;
 1310:     my $orderidx=$Apache::lonratedt::order[$index];
 1311:     if ($title=~ /^(\d+)___&amp;&amp;&amp;___(\w+)___&amp;&amp;&amp;___(\w+)___&amp;&amp;&amp;___(.*)$/	) { 
 1312: 	$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
 1313: 	$renametitle=$4;
 1314: 	$title='<i>'.&Apache::lonlocal::locallocaltime($1).'</i> '.
 1315: 	    &Apache::loncommon::plainname($2,$3).': <br />'.
 1316: 	    $foldertitle;
 1317:     }
 1318:     $renametitle=~s/\&quot\;/\\\"/g;
 1319:     my $line='<tr>';
 1320: # Edit commands
 1321:     my $container;
 1322:     my $folderpath;
 1323:     if ($env{'form.folderpath'}) {
 1324:         $container = 'sequence';
 1325: 	$folderpath=&Apache::lonnet::escape($env{'form.folderpath'});
 1326: 	# $htmlfoldername=&HTML::Entities::encode($env{'form.foldername'},'<>&"');
 1327:     }
 1328:     my ($pagepath,$pagesymb);
 1329:     if ($env{'form.pagepath'}) {
 1330:         $container = 'page';
 1331:         $pagepath=&Apache::lonnet::escape($env{'form.pagepath'});
 1332:         $pagesymb=&Apache::lonnet::escape($env{'form.pagesymb'});
 1333:     }
 1334:     my $cpinfo='';
 1335:     if ($env{'form.markedcopy_url'}) {
 1336:        $cpinfo='&markedcopy_url='.
 1337:                &Apache::lonnet::escape($env{'form.markedcopy_url'}).
 1338:                '&markedcopy_title='.
 1339:                &Apache::lonnet::escape($env{'form.markedcopy_title'});
 1340:     }
 1341:     if ($allowed) {
 1342: 	my $incindex=$index+1;
 1343: 	my $selectbox='';
 1344: 	if (($folder!~/^supplemental/) &&
 1345: 	    ($#Apache::lonratedt::order>0) && 
 1346: 	    ((split(/\:/,
 1347: 	     $Apache::lonratedt::resources[$Apache::lonratedt::order[0]]))[1] 
 1348: 	     ne '') && 
 1349: 	    ((split(/\:/,
 1350: 	     $Apache::lonratedt::resources[$Apache::lonratedt::order[1]]))[1] 
 1351: 	     ne '')) {
 1352: 	    $selectbox=
 1353: 		'<input type="hidden" name="currentpos" value="'.$incindex.'" />'.
 1354: 		'<select name="newpos" onChange="this.form.submit()">';
 1355: 	    for (my $i=1;$i<=$#Apache::lonratedt::order+1;$i++) {
 1356: 		if ($i==$incindex) {
 1357: 		    $selectbox.='<option value="" selected="1">('.$i.')</option>';
 1358: 		} else {
 1359: 		    $selectbox.='<option value="'.$i.'">'.$i.'</option>';
 1360: 		}
 1361: 	    }
 1362: 	    $selectbox.='</select>';
 1363: 	}
 1364: 	my %lt=&Apache::lonlocal::texthash(
 1365:                 'up' => 'Move Up',
 1366: 		'dw' => 'Move Down',
 1367: 		'rm' => 'Remove',
 1368:                 'ct' => 'Cut',
 1369: 		'rn' => 'Rename',
 1370: 		'cp' => 'Copy');
 1371:         if ($env{'form.pagepath'}) {
 1372:             $line.=(<<END);
 1373: <form name="entry_$index" action="/adm/coursedocs" method="post">
 1374: <input type="hidden" name="pagepath" value="$env{'form.pagepath'}" />
 1375: <input type="hidden" name="pagesymb" value="$env{'form.pagesymb'}" />
 1376: <input type="hidden" name="markedcopy_url" value="$env{'form.markedcopy_url'}" />
 1377: <input type="hidden" name="markedcopy_title" value="$env{'form.markedcopy_title'}" />
 1378: <input type="hidden" name="setparms" value="$orderidx" />
 1379: <td><table border='0' cellspacing='2' cellpadding='0'>
 1380: <tr><td bgcolor="#DDDDDD">
 1381: <a href='/adm/coursedocs?cmd=up_$index&pagepath=$pagepath&pagesymb=$pagesymb$cpinfo'>
 1382: <img src="${iconpath}move_up.gif" alt='$lt{'up'}' border='0' /></a></td></tr>
 1383: <tr><td bgcolor="#DDDDDD">
 1384: <a href='/adm/coursedocs?cmd=down_$index&pagepath=$pagepath&pagesymb=$pagesymb$cpinfo'>
 1385: <img src="${iconpath}move_down.gif" alt='$lt{'dw'}' border='0' /></a></td></tr>
 1386: </table></td>
 1387: <td>$selectbox
 1388: </td><td bgcolor="#DDDDDD">
 1389: <a href='javascript:removeres("$pagepath","$index","$renametitle","page","$pagesymb");'>
 1390: <font size="-2" color="#990000">$lt{'rm'}</font></a>
 1391: <a href='javascript:cutres("$pagepath","$index","$renametitle","page","$pagesymb");'>
 1392: <font size="-2" color="#550044">$lt{'ct'}</font></a>
 1393: <a href='javascript:changename("$pagepath","$index","$renametitle","page","$pagesymb");'>
 1394: <font size="-2" color="#009900">$lt{'rn'}</font></a>
 1395: <a href='javascript:markcopy("$pagepath","$index","$renametitle","page","$pagesymb");'>
 1396: <font size="-2" color="#000099">$lt{'cp'}</font></a></td>
 1397: END
 1398:         } else {
 1399:             $line.=(<<END); 
 1400: <form name="entry_$index" action="/adm/coursedocs" method="post">
 1401: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 1402: <input type="hidden" name="markedcopy_url" value="$env{'form.markedcopy_url'}" />
 1403: <input type="hidden" name="markedcopy_title" value="$env{'form.markedcopy_title'}" />
 1404: <input type="hidden" name="setparms" value="$orderidx" />
 1405: <td><table border='0' cellspacing='2' cellpadding='0'>
 1406: <tr><td bgcolor="#DDDDDD">
 1407: <a href='/adm/coursedocs?cmd=up_$index&folderpath=$folderpath$cpinfo'>
 1408: <img src="${iconpath}move_up.gif" alt='$lt{'up'}' border='0' /></a></td></tr>
 1409: <tr><td bgcolor="#DDDDDD">
 1410: <a href='/adm/coursedocs?cmd=down_$index&folderpath=$folderpath$cpinfo'>
 1411: <img src="${iconpath}move_down.gif" alt='$lt{'dw'}' border='0' /></a></td></tr>
 1412: </table></td>
 1413: <td>$selectbox
 1414: </td><td bgcolor="#DDDDDD">
 1415: <a href='javascript:removeres("$folderpath","$index","$renametitle","sequence");'>
 1416: <font size="-2" color="#990000">$lt{'rm'}</font></a>
 1417: <a href='javascript:cutres("$folderpath","$index","$renametitle","sequence");'>
 1418: <font size="-2" color="#550044">$lt{'ct'}</font></a>
 1419: <a href='javascript:changename("$folderpath","$index","$renametitle","sequence");'>
 1420: <font size="-2" color="#009900">$lt{'rn'}</font></a>
 1421: <a href='javascript:markcopy("$folderpath","$index","$renametitle","sequence");'>
 1422: <font size="-2" color="#000099">$lt{'cp'}</font></a></td>
 1423: END
 1424:         }
 1425:     }
 1426: # Figure out what kind of a resource this is
 1427:     my ($extension)=($url=~/\.(\w+)$/);
 1428:     my $uploaded=($url=~/^\/*uploaded\//);
 1429:     my $icon=&Apache::loncommon::icon($url);
 1430:     my $isfolder=0;
 1431:     my $ispage=0;
 1432:     my $folderarg;
 1433:     my $pagearg;
 1434:     my $pagefile;
 1435:     if ($uploaded) {
 1436: 	if ($extension eq 'sequence') {
 1437: 	    $icon=$iconpath.'/folder_closed.gif';
 1438: 	    $url=~/$coursenum\/([\/\w]+)\.sequence$/;
 1439: 	    $url='/adm/coursedocs?';
 1440: 	    $folderarg=$1;
 1441: 	    $isfolder=1;
 1442:         } elsif ($extension eq 'page') {
 1443:             $icon=$iconpath.'/page.gif';
 1444:             $url=~/$coursenum\/([\/\w]+)\.page$/;
 1445:             $pagearg=$1;
 1446:             $url='/adm/coursedocs?';
 1447:             $ispage=1;
 1448: 	} else {
 1449: 	    &Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
 1450: 	}
 1451:     }
 1452:     $url=~s/^http\&colon\;\/\//\/adm\/wrapper\/ext\//;
 1453:     if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) {
 1454: 	my $symb=&Apache::lonnet::symbclean(
 1455:           &Apache::lonnet::declutter('uploaded/'.
 1456:            $env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1457:            $env{'course.'.$env{'request.course.id'}.'.num'}.'/'.$folder.
 1458:            '.sequence').
 1459:            '___'.$residx.'___'.
 1460: 	   &Apache::lonnet::declutter($url));
 1461: 	(undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
 1462: 	$url=&Apache::lonnet::clutter($url);
 1463: 	if ($url=~/^\/*uploaded\//) {
 1464: 	    $url=~/\.(\w+)$/;
 1465: 	    my $embstyle=&Apache::loncommon::fileembstyle($1);
 1466: 	    if (($embstyle eq 'img') || ($embstyle eq 'emb')) {
 1467: 		$url='/adm/wrapper'.$url;
 1468: 	    } elsif ($embstyle eq 'ssi') {
 1469: 		#do nothing with these
 1470: 	    } elsif ($url!~/\.(sequence|page)$/) {
 1471: 		$url='/adm/coursedocs/showdoc'.$url;
 1472: 	    }
 1473: 	} elsif ($url=~m|^/ext/|) { 
 1474: 	    $url='/adm/wrapper'.$url;
 1475: 	}
 1476: 	$url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb);
 1477: 	if ($container eq 'page') {
 1478: 	    my $symb=$env{'form.pagesymb'};
 1479: 	    	    
 1480: 	    $url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
 1481: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb);
 1482: 	}
 1483:     }
 1484:     my $parameterset='&nbsp;';
 1485:     if ($isfolder) {
 1486: 	my $foldername=&Apache::lonnet::escape($foldertitle);
 1487: 	my $folderpath=$env{'form.folderpath'};
 1488: 	if ($folderpath) { $folderpath.='&' };
 1489: 	$folderpath.=$folderarg.'&'.$foldername;
 1490: 	$url.='folderpath='.&Apache::lonnet::escape($folderpath).$cpinfo;
 1491: 	$parameterset='<label>'.&mt('Randomly Pick: ').
 1492: 	    '<input type="text" size="4" onChange="this.form.submit()" name="randpick_'.$orderidx.'" value="'.
 1493: 	    (&Apache::lonratedt::getparameter($orderidx,
 1494:                                               'parameter_randompick'))[0].
 1495:                                               '" />'.
 1496: '<font size="-2"><a href="javascript:void(0)">'.&mt('Store').'</a></font></label>';
 1497:        
 1498:     }
 1499:     if ($ispage) {
 1500:         my $pagename=&Apache::lonnet::escape($pagetitle);
 1501:         my $pagepath;
 1502:         my $folderpath=$env{'form.folderpath'};
 1503:         if ($folderpath) { $pagepath = $folderpath.'&' };
 1504:         $pagepath.=$pagearg.'&'.$pagename;
 1505: 	my $symb=$env{'form.pagesymb'};
 1506: 	if (!$symb) {
 1507: 	    my $path='uploaded/'.
 1508: 		$env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1509: 		$env{'course.'.$env{'request.course.id'}.'.num'}.'/';
 1510: 	    $symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
 1511: 					       $residx,
 1512: 					       $path.$pagearg.'.page');
 1513: 	}
 1514: 	$url.='pagepath='.&Apache::lonnet::escape($pagepath).
 1515: 	    '&pagesymb='.&Apache::lonnet::escape($symb).$cpinfo;
 1516:     }
 1517:     $line.='<td bgcolor="#FFFFBB"><a href="'.$url.'"><img src="'.$icon.
 1518: 	'" border="0"></a></td>'.
 1519:         "<td bgcolor='#FFFFBB'><a href='$url'>$title</a></td>";
 1520:     if (($allowed) && ($folder!~/^supplemental/)) {
 1521:  	my %lt=&Apache::lonlocal::texthash(
 1522:  			      'hd' => 'Hidden',
 1523:  			      'ec' => 'URL hidden');
 1524: 	my $enctext=
 1525: 	    ((&Apache::lonratedt::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':'');
 1526: 	my $hidtext=
 1527: 	    ((&Apache::lonratedt::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="1"':'');
 1528: 	$line.=(<<ENDPARMS);
 1529: <td bgcolor="#BBBBFF"><font size='-2'>
 1530: <nobr><label><input type="checkbox" name="hidprs_$orderidx" onClick="this.form.submit()" $hidtext /> $lt{'hd'}</label></nobr></td>
 1531: <td bgcolor="#BBBBFF"><font size='-2'>
 1532: <nobr><label><input type="checkbox" name="encprs_$orderidx" onClick="this.form.submit()" $enctext /> $lt{'ec'}</label></nobr></td>
 1533: <td bgcolor="#BBBBFF"><font size="-2">$parameterset</font></td>
 1534: ENDPARMS
 1535:     }
 1536:     $line.="</form></tr>";
 1537:     return $line;
 1538: }
 1539: 
 1540: # ---------------------------------------------------------------- tie the hash
 1541: 
 1542: sub tiehash {
 1543:     my ($mode)=@_;
 1544:     $hashtied=0;
 1545:     if ($env{'request.course.fn'}) {
 1546: 	if ($mode eq 'write') {
 1547: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 1548: 		    &GDBM_WRCREAT(),0640)) {
 1549:                 $hashtied=2;
 1550: 	    }
 1551: 	} else {
 1552: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 1553: 		    &GDBM_READER(),0640)) {
 1554:                 $hashtied=1;
 1555: 	    }
 1556: 	}
 1557:     }    
 1558: }
 1559: 
 1560: sub untiehash {
 1561:     if ($hashtied) { untie %hash; }
 1562:     $hashtied=0;
 1563: }
 1564: 
 1565: # --------------------------------------------------------------- check on this
 1566: 
 1567: sub checkonthis {
 1568:     my ($r,$url,$level,$title)=@_;
 1569:     $url=&Apache::lonnet::unescape($url);
 1570:     $alreadyseen{$url}=1;
 1571:     $r->rflush();
 1572:     if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
 1573:        $r->print("\n<br />");
 1574:        for (my $i=0;$i<=$level*5;$i++) {
 1575:            $r->print('&nbsp;');
 1576:        }
 1577:        $r->print('<a href="'.$url.'" target="cat">'.
 1578: 		 ($title?$title:$url).'</a> ');
 1579:        if ($url=~/^\/res\//) {
 1580: 	  my $result=&Apache::lonnet::repcopy(
 1581:                               &Apache::lonnet::filelocation('',$url));
 1582:           if ($result eq 'ok') {
 1583:              $r->print('<font color="green">'.&mt('ok').'</font>');
 1584:              $r->rflush();
 1585:              &Apache::lonnet::countacc($url);
 1586:              $url=~/\.(\w+)$/;
 1587:              if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
 1588: 		 $r->print('<br />');
 1589:                  $r->rflush();
 1590:                  for (my $i=0;$i<=$level*5;$i++) {
 1591:                      $r->print('&nbsp;');
 1592:                  }
 1593:                  $r->print('- '.&mt('Rendering').': ');
 1594: 		 my ($errorcount,$warningcount)=split(/:/,
 1595: 	       &Apache::lonnet::ssi_body($url,
 1596: 			       ('grade_target'=>'web',
 1597: 				'return_only_error_and_warning_counts' => 1)));
 1598:                  if (($errorcount) ||
 1599:                      ($warningcount)) {
 1600: 		     if ($errorcount) {
 1601:                         $r->print('<img src="/adm/lonMisc/bomb.gif" /><font color="red"><b>'.
 1602: 			  $errorcount.' '.
 1603: 				  &mt('error(s)').'</b></font> ');
 1604:                      }
 1605: 		     if ($warningcount) {
 1606:                         $r->print('<font color="blue">'.
 1607: 			  $warningcount.' '.
 1608: 				  &mt('warning(s)').'</font>');
 1609:                      }
 1610:                  } else {
 1611:                      $r->print('<font color="green">'.&mt('ok').'</font>');
 1612:                  }
 1613:                  $r->rflush();
 1614:              }
 1615: 	     my $dependencies=
 1616:                 &Apache::lonnet::metadata($url,'dependencies');
 1617:              foreach (split(/\,/,$dependencies)) {
 1618: 		 if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {
 1619:                     &checkonthis($r,$_,$level+1);
 1620:                  }
 1621:              }
 1622:           } elsif ($result eq 'unavailable') {
 1623:              $r->print('<font color="red"><b>'.&mt('connection down').'</b></font>');
 1624:           } elsif ($result eq 'not_found') {
 1625: 	      unless ($url=~/\$/) {
 1626: 		  $r->print('<font color="red"><b>'.&mt('not found').'</b></font>');
 1627: 	      } else {
 1628: 		  $r->print('<font color="yellow"><b>'.&mt('unable to verify variable URL').'</b></font>');
 1629: 	      }
 1630:           } else {
 1631:              $r->print('<font color="red"><b>'.&mt('access denied').'</b></font>');
 1632:           }
 1633:       }
 1634:    }
 1635: }
 1636: 
 1637: 
 1638: #
 1639: # -------------------------------------------------------------- Verify Content
 1640: # 
 1641: sub verifycontent {
 1642:    my $r=shift; 
 1643:    my $loaderror=&Apache::lonnet::overloaderror($r);
 1644:    if ($loaderror) { return $loaderror; }
 1645:    my $html=&Apache::lonxml::xmlbegin();
 1646:    $r->print($html.'<head><title>Verify Content</title></head>'.
 1647:               &Apache::loncommon::bodytag('Verify Course Documents'));
 1648:    $hashtied=0;
 1649:    undef %alreadyseen;
 1650:    %alreadyseen=();
 1651:    &tiehash();
 1652:    foreach (keys %hash) {
 1653:        if ($hash{$_}=~/\.(page|sequence)$/) {
 1654: 	   if (($_=~/^src_/) && ($alreadyseen{&Apache::lonnet::unescape($hash{$_})})) {
 1655: 	       $r->print('<hr /><font color="red">'.
 1656: 			 &mt('The following sequence or page is included more than once in your course: ').
 1657: 			 &Apache::lonnet::unescape($hash{$_}).'</font><br />'.
 1658: 			 &mt('Note that grading records for problems included in this sequence or folder will overlap.<hr />'));
 1659: 	   }
 1660:        }
 1661:        if (($_=~/^src\_(.+)$/) && (!$alreadyseen{&Apache::lonnet::unescape($hash{$_})})) {
 1662:            &checkonthis($r,$hash{$_},0,$hash{'title_'.$1});
 1663:        }
 1664:    }
 1665:    &untiehash();
 1666:    $r->print('<h1>'.&mt('Done').'.</h1>'.'<a href="/adm/coursedocs">'.
 1667: 	     &mt('Return to DOCS').'</a>');
 1668: }
 1669: 
 1670: 
 1671: # -------------------------------------------------------------- Check Versions
 1672: 
 1673: sub devalidateversioncache {
 1674:     my $src=shift;
 1675:     &Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
 1676: 					  &Apache::lonnet::clutter($src));
 1677: }
 1678: 
 1679: sub checkversions {
 1680:     my $r=shift;
 1681:     my $html=&Apache::lonxml::xmlbegin();
 1682:     $r->print($html.'<head><title>Check Versions</title></head>'.
 1683:               &Apache::loncommon::bodytag('Check Course Document Versions'));
 1684:     my $header='';
 1685:     my $startsel='';
 1686:     my $monthsel='';
 1687:     my $weeksel='';
 1688:     my $daysel='';
 1689:     my $allsel='';
 1690:     my %changes=();
 1691:     my $starttime=0;
 1692:     my $haschanged=0;
 1693:     my %setversions=&Apache::lonnet::dump('resourceversions',
 1694: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 1695: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 1696: 
 1697:     $hashtied=0;
 1698:     &tiehash();
 1699:     my %newsetversions=();
 1700:     if ($env{'form.setmostrecent'}) {
 1701: 	$haschanged=1;
 1702: 	foreach (keys %hash) {
 1703: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 1704: 		$newsetversions{$1}='mostrecent';
 1705:                 &devalidateversioncache($1);
 1706: 	    }
 1707: 	}
 1708:     } elsif ($env{'form.setcurrent'}) {
 1709: 	$haschanged=1;
 1710: 	foreach (keys %hash) {
 1711: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 1712: 		my $getvers=&Apache::lonnet::getversion($1);
 1713: 		if ($getvers>0) {
 1714: 		    $newsetversions{$1}=$getvers;
 1715: 		    &devalidateversioncache($1);
 1716: 		}
 1717: 	    }
 1718: 	}
 1719:     } elsif ($env{'form.setversions'}) {
 1720: 	$haschanged=1;
 1721: 	foreach (keys %env) {
 1722: 	    if ($_=~/^form\.set_version_(.+)$/) {
 1723: 		my $src=$1;
 1724: 		if (($env{$_}) && ($env{$_} ne $setversions{$src})) {
 1725: 		    $newsetversions{$src}=$env{$_};
 1726: 		    &devalidateversioncache($src);
 1727: 		}
 1728: 	    }
 1729: 	}
 1730:     }
 1731:     if ($haschanged) {
 1732:         if (&Apache::lonnet::put('resourceversions',\%newsetversions,
 1733: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 1734: 			  $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {		
 1735: 	    $r->print('<h1>'.&mt('Your Version Settings have been Stored').'</h1>');
 1736: 	} else {
 1737: 	    $r->print('<h1><font color="red">'.&mt('An Error Occured while Attempting to Store your Version Settings').'</font></h1>');
 1738: 	}
 1739: 	&mark_hash_old();
 1740:     }
 1741:     &changewarning($r,'');
 1742:     if ($env{'form.timerange'} eq 'all') {
 1743: # show all documents
 1744: 	$header=&mt('All Documents in Course');
 1745: 	$allsel=1;
 1746: 	foreach (keys %hash) {
 1747: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 1748: 		my $src=$1;
 1749: 		$changes{$src}=1;
 1750: 	    }
 1751: 	}
 1752:     } else {
 1753: # show documents which changed
 1754: 	%changes=&Apache::lonnet::dump
 1755: 	 ('versionupdate',$env{'course.'.$env{'request.course.id'}.'.domain'},
 1756:                      $env{'course.'.$env{'request.course.id'}.'.num'});
 1757: 	my $firstkey=(keys %changes)[0];
 1758: 	unless ($firstkey=~/^error\:/) {
 1759: 	    unless ($env{'form.timerange'}) {
 1760: 		$env{'form.timerange'}=604800;
 1761: 	    }
 1762: 	    my $seltext=&mt('during the last').' '.$env{'form.timerange'}.' '
 1763: 		.&mt('seconds');
 1764: 	    if ($env{'form.timerange'}==-1) {
 1765: 		$seltext='since start of course';
 1766: 		$startsel='selected';
 1767: 		$env{'form.timerange'}=time;
 1768: 	    }
 1769: 	    $starttime=time-$env{'form.timerange'};
 1770: 	    if ($env{'form.timerange'}==2592000) {
 1771: 		$seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 1772: 		$monthsel='selected';
 1773: 	    } elsif ($env{'form.timerange'}==604800) {
 1774: 		$seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 1775: 		$weeksel='selected';
 1776: 	    } elsif ($env{'form.timerange'}==86400) {
 1777: 		$seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 1778: 		$daysel='selected';
 1779: 	    }
 1780: 	    $header=&mt('Content changed').' '.$seltext;
 1781: 	} else {
 1782: 	    $header=&mt('No content modifications yet.');
 1783: 	}
 1784:     }
 1785:     %setversions=&Apache::lonnet::dump('resourceversions',
 1786: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 1787: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 1788:     my %lt=&Apache::lonlocal::texthash
 1789: 	      ('st' => 'Version changes since start of Course',
 1790: 	       'lm' => 'Version changes since last Month',
 1791: 	       'lw' => 'Version changes since last Week',
 1792: 	       'sy' => 'Version changes since Yesterday',
 1793:                'al' => 'All Resources (possibly large output)',
 1794: 	       'sd' => 'Display',
 1795: 	       'fi' => 'File',
 1796: 	       'md' => 'Modification Date',
 1797:                'mr' => 'Most recently published Version',
 1798: 	       've' => 'Version used in Course',
 1799:                'vu' => 'Set Version to be used in Course',
 1800: 'sv' => 'Set Versions to be used in Course according to Selections below',
 1801: 'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',
 1802: 'sc' => 'Set all Resource Versions to current Version (Fix Versions)',
 1803: 	       'di' => 'Differences');
 1804:     $r->print(<<ENDHEADERS);
 1805: <form action="/adm/coursedocs" method="post">
 1806: <input type="hidden" name="versions" value="1" />
 1807: <input type="submit" name="setmostrecent" value="$lt{'sm'}" />
 1808: <input type="submit" name="setcurrent" value="$lt{'sc'}" /><hr />
 1809: <select name="timerange">
 1810: <option value='all' $allsel>$lt{'al'}</option>
 1811: <option value="-1" $startsel>$lt{'st'}</option>
 1812: <option value="2592000" $monthsel>$lt{'lm'}</option>
 1813: <option value="604800" $weeksel>$lt{'lw'}</option>
 1814: <option value="86400" $daysel>$lt{'sy'}</option>
 1815: </select>
 1816: <input type="submit" name="display" value="$lt{'sd'}" />
 1817: <h3>$header</h3>
 1818: <input type="submit" name="setversions" value="$lt{'sv'}" />
 1819: <table border="0">
 1820: ENDHEADERS
 1821:     foreach (sort keys %changes) {
 1822: 	if ($changes{$_}>$starttime) {
 1823: 	    my ($root,$extension)=($_=~/^(.*)\.(\w+)$/);
 1824: 	    my $currentversion=&Apache::lonnet::getversion($_);
 1825: 	    if ($currentversion<0) {
 1826: 		$currentversion=&mt('Could not be determined.');
 1827: 	    }
 1828: 	    my $linkurl=&Apache::lonnet::clutter($_);
 1829: 	    $r->print(
 1830: 		      '<tr><td colspan="5"><br /><br /><font size="+1"><b>'.
 1831: 		      &Apache::lonnet::gettitle($linkurl).
 1832:                       '</b></font></td></tr>'.
 1833:                       '<tr><td>&nbsp;&nbsp;&nbsp;</td>'.
 1834:                       '<td colspan="4">'.
 1835:                       '<a href="'.$linkurl.'" target="cat">'.$linkurl.
 1836: 		      '</a></td></tr>'.
 1837:                       '<tr><td></td>'.
 1838:                       '<td title="'.$lt{'md'}.'">'.
 1839: 		      &Apache::lonlocal::locallocaltime(
 1840:                            &Apache::lonnet::metadata($root.'.'.$extension,
 1841:                                                      'lastrevisiondate')
 1842:                                                         ).
 1843:                       '</td>'.
 1844:                       '<td title="'.$lt{'mr'}.'"><nobr>Most Recent: '.
 1845:                       '<font size="+1">'.$currentversion.'</font>'.
 1846:                       '</nobr></td>'.
 1847:                       '<td title="'.$lt{'ve'}.'"><nobr>In Course: '.
 1848:                       '<font size="+1">');
 1849: # Used in course
 1850: 	    my $usedversion=$hash{'version_'.$linkurl};
 1851: 	    if (($usedversion) && ($usedversion ne 'mostrecent')) {
 1852: 		$r->print($usedversion);
 1853: 	    } else {
 1854: 		$r->print($currentversion);
 1855: 	    }
 1856: 	    $r->print('</font></nobr></td><td title="'.$lt{'vu'}.'">'.
 1857:                       '<nobr>Use: ');
 1858: # Set version
 1859: 	    $r->print(&Apache::loncommon::select_form($setversions{$linkurl},
 1860: 						      'set_version_'.$linkurl,
 1861: 						      ('select_form_order' =>
 1862: 						       ['',1..$currentversion,'mostrecent'],
 1863: 						       '' => '',
 1864: 						       'mostrecent' => 'most recent',
 1865: 						       map {$_,$_} (1..$currentversion))));
 1866: 	    $r->print('</nobr></td></tr><tr><td></td>');
 1867: 	    my $lastold=1;
 1868: 	    for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
 1869: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 1870: 		if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
 1871: 		    $starttime) {
 1872: 		    $lastold=$prevvers;
 1873: 		}
 1874: 	    }
 1875:             # 
 1876:             # Code to figure out how many version entries should go in
 1877:             # each of the four columns
 1878:             my $entries_per_col = 0;
 1879:             my $num_entries = ($currentversion-$lastold);
 1880:             if ($num_entries % 4 == 0) {
 1881:                 $entries_per_col = $num_entries/4;
 1882:             } else {
 1883:                 $entries_per_col = $num_entries/4 + 1;
 1884:             }
 1885:             my $entries_count = 0;
 1886:             $r->print('<td valign="top"><font size="-2">'); 
 1887:             my $cols_output = 1;
 1888:             for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
 1889: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 1890: 		$r->print('<nobr><a href="'.&Apache::lonnet::clutter($url).
 1891: 			  '">'.&mt('Version').' '.$prevvers.'</a> ('.
 1892: 			  &Apache::lonlocal::locallocaltime(
 1893:                                 &Apache::lonnet::metadata($url,
 1894:                                                           'lastrevisiondate')
 1895:                                                             ).
 1896: 			  ')');
 1897: 		if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
 1898:                     $r->print(' <a href="/adm/diff?filename='.
 1899: 			      &Apache::lonnet::clutter($root.'.'.$extension).
 1900: 			      '&versionone='.$prevvers.
 1901: 			      '">'.&mt('Diffs').'</a>');
 1902: 		}
 1903: 		$r->print('</nobr><br />');
 1904:                 if (++$entries_count % $entries_per_col == 0) {
 1905:                     $r->print('</font></td>');
 1906:                     if ($cols_output != 4) {
 1907:                         $r->print('<td valign="top"><font size="-2">');
 1908:                         $cols_output++;
 1909:                     }
 1910:                 }
 1911: 	    }
 1912:             while($cols_output++ < 4) {
 1913:                 $r->print('</font></td><td><font>')
 1914:             }
 1915: 	    $r->print('</font></td></tr>'."\n");
 1916: 	}
 1917:     }
 1918:     $r->print('</table></form>');
 1919:     $r->print('<h1>'.&mt('Done').'.</h1>');
 1920: 
 1921:     &untiehash();
 1922: }
 1923: 
 1924: sub mark_hash_old {
 1925:     my $retie_hash=0;
 1926:     if ($hashtied) {
 1927: 	$retie_hash=1;
 1928: 	&untiehash();
 1929:     }
 1930:     &tiehash('write');
 1931:     $hash{'old'}=1;
 1932:     &untiehash();
 1933:     if ($retie_hash) { &tiehash(); }
 1934: }
 1935: 
 1936: sub is_hash_old {
 1937:     my $untie_hash=0;
 1938:     if (!$hashtied) {
 1939: 	$untie_hash=1;
 1940: 	&tiehash();
 1941:     }
 1942:     my $return=$hash{'old'};
 1943:     if ($untie_hash) { &untiehash(); }
 1944:     return $return;
 1945: }
 1946: 
 1947: sub changewarning {
 1948:     my ($r,$postexec,$message,$url)=@_;
 1949:     if (!&is_hash_old()) { return; }
 1950:     my $pathvar='folderpath';
 1951:     my $path=&Apache::lonnet::escape($env{'form.folderpath'});
 1952:     if (!defined($url)) {
 1953: 	if (defined($env{'form.pagepath'})) {
 1954: 	    $pathvar='pagepath';
 1955: 	    $path=&Apache::lonnet::escape($env{'form.pagepath'});
 1956: 	    $path.='&amp;symb='.&Apache::lonnet::escape($env{'form.pagesymb'});
 1957: 	}
 1958: 	$url='/adm/coursedocs?'.$pathvar.'='.$path;
 1959:     }
 1960:     if (!defined($message)) {
 1961: 	$message='Changes will become active for your current session after [_1], or the next time you log in.';
 1962:     }
 1963:     $r->print("\n\n".
 1964: '<script>function reinit(tf) { tf.submit();'.$postexec.' }</script>'."\n". 
 1965: '<form name="reinitform" method="post" action="/adm/roles" target="loncapaclient">'.
 1966: '<input type="hidden" name="orgurl" value="'.$url.
 1967: '" /><input type="hidden" name="selectrole" value="1" /><h3><font color="red">'.
 1968: &mt($message,' <input type="hidden" name="'.
 1969:     $env{'request.role'}.'" value="1" /><input type="button" value="'.
 1970:     &mt('re-initializing course').'" onClick="reinit(this.form)" />').
 1971: $help{'Caching'}.'</font></h3></form>'."\n\n");
 1972: }
 1973: 
 1974: # ================================================================ Main Handler
 1975: sub handler {
 1976:     my $r = shift;
 1977:     &Apache::loncommon::content_type($r,'text/html');
 1978:     $r->send_http_header;
 1979:     return OK if $r->header_only;
 1980: 
 1981: # --------------------------------------------- Initialize help topics for this
 1982:   foreach ('Adding_Course_Doc','Main_Course_Documents',
 1983:            'Adding_External_Resource','Navigate_Content',
 1984:            'Adding_Folders','Docs_Overview', 'Load_Map',
 1985:            'Supplemental','Score_Upload_Form','Adding_Pages',
 1986:            'Importing_LON-CAPA_Resource','Uploading_From_Harddrive',
 1987: 	   'Check_Resource_Versions','Verify_Content') {
 1988:       $help{$_}=&Apache::loncommon::help_open_topic('Docs_'.$_);
 1989:   }
 1990:     # Composite help files
 1991:     $help{'Syllabus'} = &Apache::loncommon::help_open_topic(
 1992: 		    'Docs_About_Syllabus,Docs_Editing_Templated_Pages');
 1993:     $help{'Simple Page'} = &Apache::loncommon::help_open_topic(
 1994: 		    'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');
 1995:     $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(
 1996: 		    'Option_Response_Simple');
 1997:     $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(
 1998: 		    'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');
 1999:     $help{'My Personal Info'} = &Apache::loncommon::help_open_topic(
 2000: 		  'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
 2001:     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
 2002: 
 2003:   if ($env{'form.verify'}) {
 2004:       &verifycontent($r);
 2005:   } elsif ($env{'form.versions'}) {
 2006:       &checkversions($r);
 2007:   } elsif ($env{'form.dumpcourse'}) {
 2008:       &dumpcourse($r);
 2009:   } elsif ($env{'form.exportcourse'}) {
 2010:       &exportcourse($r);
 2011:   } else {
 2012: # is this a standard course?
 2013: 
 2014:     my $standard=($env{'request.course.uri'}=~/^\/uploaded\//);
 2015:     my $forcestandard = 0;
 2016:     my $forcesupplement;
 2017:     my $script='';
 2018:     my $allowed;
 2019:     my $events='';
 2020:     my $showdoc=0;
 2021:     my $containertag;
 2022:     my $uploadtag;
 2023:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 2024:     ['folderpath','pagepath','pagesymb','markedcopy_url','markedcopy_title']);
 2025:     if ($env{'form.folderpath'}) {
 2026: 	my (@folderpath)=split('&',$env{'form.folderpath'});
 2027: 	$env{'form.foldername'}=&Apache::lonnet::unescape(pop(@folderpath));
 2028: 	$env{'form.folder'}=pop(@folderpath);
 2029:     }
 2030:     if ($env{'form.pagepath'}) {
 2031:         my (@pagepath)=split('&',$env{'form.pagepath'});
 2032:         $env{'form.pagename'}=&Apache::lonnet::unescape(pop(@pagepath));
 2033:         $env{'form.folder'}=pop(@pagepath);
 2034:         $containertag = '<input type="hidden" name="pagepath" value="" />'.
 2035: 	    '<input type="hidden" name="pagesymb" value="" />';
 2036:         $uploadtag = '<input type="hidden" name="pagepath" value="'.$env{'form.pagepath'}.'" />'.
 2037: 	    '<input type="hidden" name="pagesymb" value="'.$env{'form.pagesymb'}.'" />';
 2038:     }
 2039:     if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
 2040:        $showdoc='/'.$1;
 2041:     }
 2042:     unless ($showdoc) { # got called from remote
 2043:        if (($env{'form.folder'}=~/^default_/) || 
 2044:           ($env{'form.folder'} =~ m#^\d+/(pages|sequences)/#)) {
 2045:            $forcestandard = 1;
 2046:        } 
 2047:        $forcesupplement=($env{'form.folder'}=~/^supplemental_/);
 2048: 
 2049: # does this user have privileges to post, etc?
 2050:        $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
 2051:        if ($allowed) { 
 2052:          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
 2053:          $script=&Apache::lonratedt::editscript('simple'); 
 2054:        }
 2055:     } else { # got called in sequence from course
 2056:        $allowed=0;
 2057:        $script='</script>'.&Apache::lonmenu::registerurl(1,undef).'<script>';
 2058:        $events='onLoad="'.&Apache::lonmenu::loadevents.
 2059:            '" onUnload="'.&Apache::lonmenu::unloadevents.'"';
 2060:     }
 2061: 
 2062: # get course data
 2063:     my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
 2064:     my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2065: 
 2066: # get personal data
 2067:  
 2068:     my $uname=$env{'user.name'};
 2069:     my $udom=$env{'user.domain'};
 2070:     my $plainname=&Apache::lonnet::escape(
 2071:                      &Apache::loncommon::plainname($uname,$udom));
 2072: 
 2073: # graphics settings
 2074: 
 2075:     $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
 2076: 
 2077:     my $now=time;
 2078: 
 2079: # print screen
 2080:        my $html=&Apache::lonxml::xmlbegin();
 2081:     $r->print(<<ENDDOCUMENT);
 2082: $html
 2083: <head>
 2084: <title>The LearningOnline Network with CAPA</title>
 2085: <script>
 2086: $script
 2087: </script>
 2088: ENDDOCUMENT
 2089:    if ($allowed) {
 2090:     $r->print(<<ENDNEWSCRIPT);
 2091: <script>
 2092: function makenewfolder(targetform,folderseq) {
 2093:     var foldername=prompt('Name of New Folder','New Folder');
 2094:     if (foldername) {
 2095: 	targetform.importdetail.value=foldername+"="+folderseq;
 2096:         targetform.submit();
 2097:     }
 2098: }
 2099: 
 2100: function makenewpage(targetform,folderseq) {
 2101:     var pagename=prompt('Name of New Page','New Page');
 2102:     if (pagename) {
 2103:         targetform.importdetail.value=pagename+"="+folderseq;
 2104:         targetform.submit();
 2105:     }
 2106: }
 2107: 
 2108: function makenewext(targetname) {
 2109:     this.document.forms.extimport.useform.value=targetname;
 2110:     window.open('/adm/rat/extpickframe.html');
 2111: }
 2112: 
 2113: function makeexamupload() {
 2114:    var title=prompt('Listed Title for the Uploaded Score');
 2115:    if (title) { 
 2116:     this.document.forms.newexamupload.importdetail.value=
 2117: 	title+'=/res/lib/templates/examupload.problem';
 2118:     this.document.forms.newexamupload.submit();
 2119:    }
 2120: }
 2121: 
 2122: function makesmppage() {
 2123:    var title=prompt('Listed Title for the Page');
 2124:    if (title) { 
 2125:     this.document.forms.newsmppg.importdetail.value=
 2126: 	title+'=/adm/$udom/$uname/$now/smppg';
 2127:     this.document.forms.newsmppg.submit();
 2128:    }
 2129: }
 2130: 
 2131: function makesmpproblem() {
 2132:    var title=prompt('Listed Title for the Problem');
 2133:    if (title) { 
 2134:     this.document.forms.newsmpproblem.importdetail.value=
 2135: 	title+'=/res/lib/templates/simpleproblem.problem';
 2136:     this.document.forms.newsmpproblem.submit();
 2137:    }
 2138: }
 2139: 
 2140: function makebulboard() {
 2141:    var title=prompt('Listed Title for the Bulletin Board');
 2142:    if (title) {
 2143:     this.document.forms.newbul.importdetail.value=
 2144: 	title+'=/adm/$udom/$uname/$now/bulletinboard';
 2145:     this.document.forms.newbul.submit();
 2146:    }
 2147: }
 2148: 
 2149: function makeabout() {
 2150:    var user=prompt("Enter user\@domain for User's 'About Me' Page");
 2151:    if (user) {
 2152:        var comp=new Array();
 2153:        comp=user.split('\@');
 2154:        if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {
 2155: 	   if ((comp[0]) && (comp[1])) {
 2156: 	       this.document.forms.newaboutsomeone.importdetail.value=
 2157: 		   'About '+user+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
 2158: 	       this.document.forms.newaboutsomeone.submit();
 2159: 	   } else {
 2160:                alert("Not a valid user\@domain");
 2161:            }
 2162:        } else {
 2163:            alert("Please enter both user and domain in the format user\@domain"); 
 2164:        }
 2165:    }
 2166: }
 2167: 
 2168: function makeims() {
 2169:     var caller = document.forms.ims.folder.value;
 2170:     var newlocation = "/adm/imsimportdocs?folder="+caller+"&phase=one";
 2171:     newWindow = window.open("","IMSimport","HEIGHT=700,WIDTH=750,scrollbars=yes");
 2172:     newWindow.location.href = newlocation;
 2173: }
 2174: 
 2175: 
 2176: function finishpick() {
 2177:     var title=this.document.forms.extimport.title.value;
 2178:     var url=this.document.forms.extimport.url.value;
 2179:     var form=this.document.forms.extimport.useform.value;
 2180:     eval
 2181:      ('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+
 2182:     '";this.document.forms.'+form+'.submit();');
 2183: }
 2184: 
 2185: function changename(folderpath,index,oldtitle,container,pagesymb) {
 2186:     var title=prompt('New Title',oldtitle);
 2187:     if (title) {
 2188: 	this.document.forms.renameform.title.value=title;
 2189: 	this.document.forms.renameform.cmd.value='rename_'+index;
 2190:         if (container == 'sequence') {
 2191: 	    this.document.forms.renameform.folderpath.value=folderpath;
 2192:         }
 2193:         if (container == 'page') {
 2194:             this.document.forms.renameform.pagepath.value=folderpath;
 2195:             this.document.forms.renameform.pagesymb.value=pagesymb;
 2196:         }
 2197:         this.document.forms.renameform.submit();
 2198:     }
 2199: }
 2200: 
 2201: function removeres(folderpath,index,oldtitle,container,pagesymb) {
 2202:     if (confirm('WARNING: Removing a resource makes associated grades and scores inaccessible!\\nRemove "'+oldtitle+'"?')) {
 2203: 	this.document.forms.renameform.cmd.value='del_'+index;
 2204:         if (container == 'sequence') {
 2205:             this.document.forms.renameform.folderpath.value=folderpath;
 2206:         }
 2207:         if (container == 'page') {
 2208:             this.document.forms.renameform.pagepath.value=folderpath;
 2209:             this.document.forms.renameform.pagesymb.value=pagesymb;
 2210:         }
 2211:         this.document.forms.renameform.submit();
 2212:     }
 2213: }
 2214: 
 2215: function cutres(folderpath,index,oldtitle,container,pagesymb) {
 2216:     if (confirm('WARNING: Cutting a resource makes associated grades and scores inaccessible!\\nGrades remain inaccessible if resource is pasted into another folder.\\nCut "'+oldtitle+'"?')) {
 2217: 	this.document.forms.renameform.cmd.value='cut_'+index;
 2218: 	this.document.forms.renameform.markcopy.value=index;
 2219:         if (container == 'sequence') {
 2220:             this.document.forms.renameform.folderpath.value=folderpath;
 2221:         }
 2222:         if (container == 'page') {
 2223:             this.document.forms.renameform.pagepath.value=folderpath;
 2224:             this.document.forms.renameform.pagesymb.value=pagesymb;
 2225:         }
 2226:         this.document.forms.renameform.submit();
 2227:     }
 2228: }
 2229: 
 2230: function markcopy(folderpath,index,oldtitle,container,pagesymb) {
 2231:     this.document.forms.renameform.markcopy.value=index;
 2232:     if (container == 'sequence') {
 2233: 	this.document.forms.renameform.folderpath.value=folderpath;
 2234:     }
 2235:     if (container == 'page') {
 2236: 	this.document.forms.renameform.pagepath.value=folderpath;
 2237: 	this.document.forms.renameform.pagesymb.value=pagesymb;
 2238:     }
 2239:     this.document.forms.renameform.submit();
 2240: }
 2241: 
 2242: </script>
 2243: 
 2244: ENDNEWSCRIPT
 2245:   }
 2246: # -------------------------------------------------------------------- Body tag
 2247:   $r->print('</head>'.
 2248:             &Apache::loncommon::bodytag('Course Documents','',$events,
 2249: 					'','',$showdoc).
 2250: 	    &Apache::loncommon::help_open_menu('','','','',273,'RAT'));
 2251:   my %allfiles = ();
 2252:   my %codebase = ();
 2253:   my ($upload_result,$upload_output);
 2254:   if ($allowed) {
 2255:       if (($env{'form.uploaddoc.filename'}) &&                                               ($env{'form.cmd'}=~/^upload_(\w+)/)) {
 2256: # Process file upload - phase one - upload and parse primary file.  
 2257:           $upload_result = &process_file_upload(\$upload_output,$coursenum,
 2258: 						$coursedom,\%allfiles,
 2259: 						\%codebase);
 2260:           if ($upload_result eq 'phasetwo') {
 2261:               $r->print($upload_output);
 2262:           }
 2263:       } elsif ($env{'form.phasetwo'}) {
 2264:           my %newname = ();
 2265:           my %origname = ();
 2266:           my %attribs = ();
 2267:           my $updateflag = 0;
 2268:           my $residx = $env{'form.newidx'};
 2269:           my $primary_url = &Apache::lonnet::unescape($env{'form.primaryurl'});
 2270: # Process file upload - phase two - gather secondary files.
 2271:           for (my $i=0; $i<$env{'form.phasetwo'}; $i++) {
 2272:               if ($env{'form.embedded_item_'.$i.'.filename'}) {
 2273:                   my $javacodebase;
 2274:                   $newname{$i} = &process_secondary_uploads(\$upload_output,$coursedom,$coursenum,'embedded_item_',$i,$residx);
 2275:                   $origname{$i} = &Apache::lonnet::unescape($env{'form.embedded_orig_'.$i});
 2276:                   if (exists($env{'form.embedded_codebase_'.$i})) {
 2277:                       $javacodebase =  &Apache::lonnet::unescape($env{'form.embedded_codebase_'.$i});  
 2278:                       $origname{$i} =~ s#^\Q$javacodebase\E/##; 
 2279:                   }
 2280:                   my @attributes = ();
 2281:                   if ($env{'form.embedded_attrib_'.$i} =~ /:/) {
 2282:                       @attributes = split/:/,$env{'form.embedded_attrib_'.$i};
 2283:                   } else {
 2284:                       @attributes = ($env{'form.embedded_attrib_'.$i});
 2285:                   }
 2286:                   foreach (@attributes) {
 2287:                       push(@{$attribs{$i}},&Apache::lonnet::unescape($_));
 2288:                   }
 2289:                   if ($javacodebase) {
 2290:                       $codebase{$i} = $javacodebase;
 2291:                       $codebase{$i} =~ s#/$##;
 2292:                       $updateflag = 1;
 2293:                   }
 2294:               }
 2295:               unless ($newname{$i} eq $origname{$i}) {
 2296:                   $updateflag = 1;
 2297:               }
 2298:           }
 2299: # Process file upload - phase three - modify primary file
 2300:           if ($updateflag) {
 2301:               my ($content,$rtncode);
 2302:               my $updateflag = 0;
 2303:               my $getstatus = &Apache::lonnet::getuploaded('GET',$primary_url,$coursedom,$coursenum,\$content,\$rtncode);
 2304:               if ($getstatus eq 'ok') {
 2305:                   foreach my $item (keys %newname) {
 2306:                       if ($newname{$item} ne $origname{$item}) {
 2307:                           my $attrib_regexp = '';
 2308:                           if (@{$attribs{$item}} > 1) {
 2309:                               $attrib_regexp = join('|',@{$attribs{$item}});
 2310:                           } else {
 2311:                               $attrib_regexp = $attribs{$item}[0];
 2312:                           }
 2313:                           if ($content =~ m#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#) {
 2314:                           } 
 2315:                           $content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#$1$newname{$item}$2#gi; 
 2316:                       }
 2317:                       if (exists($codebase{$item})) {
 2318:                           $content =~ s/(codebase\s*=\s*["']?)\Q$codebase{$item}\E(["']?)/$1.$2/i;
 2319:                       }
 2320:                   }
 2321: # Save edited file.
 2322:                   my $saveresult;
 2323:                   my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
 2324:                   my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2325:                   my $url = &Apache::lonnet::store_edited_file($primary_url,$content,$docudom,$docuname,\$saveresult);
 2326:               } else {
 2327:                   &Apache::lonnet::logthis('retrieval of uploaded file - '.$primary_url.' - for editing, failed: '.$getstatus); 
 2328:               }
 2329:           }
 2330:       }
 2331:   }
 2332: 
 2333:   unless ($showdoc ||  $upload_result eq 'phasetwo') {
 2334: # -----------------------------------------------------------------------------
 2335:        my %lt=&Apache::lonlocal::texthash(
 2336:                 'uplm' => 'Upload a new main course document',
 2337:                 'upls' => 'Upload a new supplemental course document',
 2338:                 'impp' => 'Import a document',
 2339:                 'pubd' => 'Published documents',
 2340: 		'copm' => 'All documents out of a published map into this folder',
 2341:                 'spec' => 'Special documents',
 2342:                 'upld' => 'Upload Document',
 2343:                 'srch' => 'Search',
 2344:                 'impo' => 'Import',
 2345:                 'selm' => 'Select Map',
 2346:                 'load' => 'Load Map',
 2347:                 'reco' => 'Recover Deleted Resources',
 2348:                 'newf' => 'New Folder',
 2349:                 'newp' => 'New Composite Page',
 2350:                 'extr' => 'External Resource',
 2351:                 'syll' => 'Syllabus',
 2352:                 'navc' => 'Navigate Contents',
 2353:                 'sipa' => 'Simple Page',
 2354:                 'sipr' => 'Simple Problem',
 2355:                 'scuf' => 'Score Upload Form',
 2356:                 'bull' => 'Bulletin Board',
 2357:                 'mypi' => 'My Personal Info',
 2358: 		'abou' => 'About User',
 2359:                 'imsf' => 'Import IMS package',
 2360:                 'file' =>  'File',
 2361:                 'title' => 'Title',
 2362:                 'comment' => 'Comment',
 2363:                 'parse' => 'If HTML file, upload embedded images/multimedia files'
 2364: 					  );
 2365: # -----------------------------------------------------------------------------
 2366:     if ($allowed) {
 2367:        my $dumpbut=&dumpbutton();
 2368:        my $exportbut=&exportbutton();
 2369:        my %lt=&Apache::lonlocal::texthash(
 2370: 					 'vc' => 'Verify Content',
 2371: 					 'cv' => 'Check/Set Resource Versions',
 2372: 					  );
 2373: 
 2374:        my $folderpath=$env{'form.folderpath'};
 2375:        if (!$folderpath) {
 2376: 	   if ($env{'form.folder'} eq '' ||
 2377: 	       $env{'form.folder'} eq 'supplemental') {
 2378: 	       $folderpath='default&'.
 2379: 		   &Apache::lonnet::escape(&mt('Main Course Documents'));
 2380: 	   }
 2381:        }
 2382:        unless ($env{'form.pagepath'}) {
 2383:            $containertag = '<input type="hidden" name="folderpath" value="" />';
 2384:            $uploadtag = '<input type="hidden" name="folderpath" value="'.$folderpath.'" />';
 2385:        }
 2386: 
 2387:        $r->print(<<ENDCOURSEVERIFY);
 2388: <form name="renameform" method="post" action="/adm/coursedocs">
 2389: <input type="hidden" name="title" />
 2390: <input type="hidden" name="cmd" />
 2391: <input type="hidden" name="markcopy" />
 2392: $containertag
 2393: </form>
 2394: <form name="simpleedit" method="post" action="/adm/coursedocs">
 2395: <input type=hidden name="importdetail" value="">
 2396: $uploadtag
 2397: </form>
 2398: <form action="/adm/coursedocs" method="post" name="courseverify">
 2399: <table bgcolor="#AAAAAA" width="100%" cellspacing="4" cellpadding="4">
 2400: <tr><td bgcolor="#DDDDCC">
 2401: <input type="submit" name="verify" value="$lt{'vc'}" />$help{'Verify_Content'}
 2402: </td><td bgcolor="#DDDDCC">
 2403:     <input type="submit" name="versions" value="$lt{'cv'}" />$help{'Check_Resource_Versions'}
 2404: $dumpbut
 2405: $exportbut
 2406: </td></tr></table>
 2407: </form>
 2408: ENDCOURSEVERIFY
 2409:        $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
 2410: 		     &mt('Editing the Table of Contents for your Course')));
 2411:     }
 2412: # --------------------------------------------------------- Standard documents
 2413:     $r->print('<table border=2 cellspacing=4 cellpadding=4>');
 2414:     if (($standard) && ($allowed) && (!$forcesupplement)) {
 2415: 	$r->print('<tr><td bgcolor="#BBBBBB">');
 2416: #  '<h2>'.&mt('Main Course Documents').
 2417: #  ($allowed?' '.$help{'Main_Course_Documents'}:'').'</h2>');
 2418:        my $folder=$env{'form.folder'};
 2419:        if ($folder eq '' || $folder eq 'supplemental') {
 2420:            $folder='default';
 2421: 	   $env{'form.folderpath'}='default&'.&Apache::lonnet::escape(&mt('Main Course Documents'));
 2422:        }
 2423:        my $postexec='';
 2424:        if ($folder eq 'default') {
 2425: 	   $r->print('<script>this.window.name="loncapaclient";</script>');
 2426:        } else {
 2427:            #$postexec='self.close();';
 2428:        }
 2429:        $hadchanges=0;
 2430:        &editor($r,$coursenum,$coursedom,$folder,$allowed,$upload_output);
 2431:        if ($hadchanges) {
 2432: 	   &mark_hash_old()
 2433:        }
 2434:        &changewarning($r,$postexec);
 2435:        my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2436:                      '.sequence';
 2437:        my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2438:                      '.page';
 2439: 	my $container='sequence';
 2440: 	if ($env{'form.pagepath'}) {
 2441: 	    $container='page';
 2442: 	}
 2443: 	my $readfile='/uploaded/'.$coursedom.'/'.$coursenum.'/'.$folder.'.'.$container;
 2444:        $r->print(<<ENDFORM);
 2445: <table cellspacing=4 cellpadding=4><tr>
 2446: <th bgcolor="#DDDDDD">$lt{'uplm'}</th>
 2447: <th bgcolor="#DDDDDD">$lt{'impp'}</th>
 2448: <th bgcolor="#DDDDDD">$lt{'spec'}</th>
 2449: </tr>
 2450: <tr><td bgcolor="#DDDDDD">
 2451: $lt{'file'}:<br />
 2452: <form name="uploaddocument" action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 2453: <input type="file" name="uploaddoc" size="40">
 2454: <br />
 2455: $lt{'title'}:<br />
 2456: <input type="text" size="50" name="comment">
 2457: $uploadtag
 2458: <input type="hidden" name="cmd" value="upload_default">
 2459: <br />
 2460: <nobr>
 2461: <label>$lt{'parse'}?
 2462: <input type="checkbox" name="parserflag" />
 2463: </label>
 2464: </nobr>
 2465: <br />
 2466: <br />
 2467: <nobr>
 2468: <input type="submit" value="$lt{'upld'}">
 2469:  $help{'Uploading_From_Harddrive'}
 2470: </nobr>
 2471: </form>
 2472: </td>
 2473: <td bgcolor="#DDDDDD">
 2474: <form action="/adm/coursedocs" method="post" name="simpleeditdefault">
 2475: $lt{'pubd'}<br />
 2476: $uploadtag
 2477: <input type=button onClick="javascript:groupsearch()" value="$lt{'srch'}">
 2478: <nobr>
 2479: <input type=button onClick="javascript:groupimport();" value="$lt{'impo'}">
 2480: $help{'Importing_LON-CAPA_Resource'}
 2481: </nobr>
 2482: <p>
 2483: <hr />
 2484: $lt{'copm'}<br />
 2485: <input type="text" size="40" name="importmap"><br />
 2486: <nobr><input type=button 
 2487: onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"
 2488: value="$lt{'selm'}"> <input type="submit" name="loadmap" value="$lt{'load'}">
 2489: $help{'Load_Map'}</nobr>
 2490: </p>
 2491: </form>
 2492: <hr />
 2493: <form action="/adm/groupsort" method="post" name="recover">
 2494: <input type="button" name="recovermap" onClick="javascript:groupopen('$readfile',1)" value="$lt{'reco'}" />
 2495: </form>
 2496: ENDFORM
 2497:        unless ($env{'form.pagepath'}) {
 2498: 	   $r->print(<<ENDFORM);
 2499: <hr />
 2500: <form action="/adm/coursedocs" method="post" name="newext">
 2501: $uploadtag
 2502: <input type=hidden name="importdetail" value="">
 2503: <nobr>
 2504: <input name="newext" type="button" onClick="javascript:makenewext('newext');"
 2505: value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 2506: </nobr>
 2507: </form>
 2508: <form action="/adm/imsimportdocs" method="post" name="ims">
 2509: <input type="hidden" name="folder" value="$folder" />
 2510: <input name="imsimport" type="button" value="$lt{'imsf'}" onClick="javascript:makeims();" />
 2511: </nobr>
 2512: </form>
 2513: ENDFORM
 2514:        }
 2515:        $r->print('</td><td bgcolor="#DDDDDD">');
 2516:        unless ($env{'form.pagepath'}) {
 2517:            $r->print(<<ENDFORM);
 2518: <form action="/adm/coursedocs" method="post" name="newfolder">
 2519: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2520: <input type=hidden name="importdetail" value="">
 2521: <nobr>
 2522: <input name="newfolder" type="button"
 2523: onClick="javascript:makenewfolder(this.form,'$folderseq');"
 2524: value="$lt{'newf'}" />$help{'Adding_Folders'}
 2525: </nobr>
 2526: </form>
 2527: <form action="/adm/coursedocs" method="post" name="newpage">
 2528: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2529: <input type=hidden name="importdetail" value="">
 2530: <nobr>
 2531: <input name="newpage" type="button"
 2532: onClick="javascript:makenewpage(this.form,'$pageseq');"
 2533: value="$lt{'newp'}" />$help{'Adding_Pages'}
 2534: </nobr>
 2535: </form>
 2536: <form action="/adm/coursedocs" method="post" name="newsyl">
 2537: $uploadtag
 2538: <input type=hidden name="importdetail" 
 2539: value="Syllabus=/public/$coursedom/$coursenum/syllabus">
 2540: <nobr>
 2541: <input name="newsyl" type="submit" value="$lt{'syll'}" /> 
 2542:  $help{'Syllabus'}
 2543: </nobr>
 2544: </form>
 2545: <form action="/adm/coursedocs" method="post" name="newnav">
 2546: $uploadtag
 2547: <input type=hidden name="importdetail" 
 2548: value="Navigate Content=/adm/navmaps">
 2549: <nobr>
 2550: <input name="newnav" type="submit" value="$lt{'navc'}" />
 2551: $help{'Navigate_Content'}
 2552: </nobr>
 2553: </form>
 2554: <form action="/adm/coursedocs" method="post" name="newsmppg">
 2555: $uploadtag
 2556: <input type=hidden name="importdetail" value="">
 2557: <nobr>
 2558: <input name="newsmppg" type="button" value="$lt{'sipa'}"
 2559: onClick="javascript:makesmppage();" /> $help{'Simple Page'}
 2560: </nobr>
 2561: </form>
 2562: <form action="/adm/coursedocs" method="post" name="newsmpproblem">
 2563: $uploadtag
 2564: <input type=hidden name="importdetail" value="">
 2565: <nobr>
 2566: <input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 2567: onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 2568: </nobr>
 2569: </form>
 2570: <form action="/adm/coursedocs" method="post" name="newexamupload">
 2571: $uploadtag
 2572: <input type=hidden name="importdetail" value="">
 2573: <nobr>
 2574: <input name="newexamupload" type="button" value="$lt{'scuf'}"
 2575: onClick="javascript:makeexamupload();" />
 2576: $help{'Score_Upload_Form'}
 2577: </nobr>
 2578: </form>
 2579: <form action="/adm/coursedocs" method="post" name="newbul">
 2580: $uploadtag
 2581: <input type=hidden name="importdetail" value="">
 2582: <nobr>
 2583: <input name="newbulletin" type="button" value="$lt{'bull'}"
 2584: onClick="javascript:makebulboard();" />
 2585: $help{'Bulletin Board'}
 2586: </nobr>
 2587: </form>
 2588: <form action="/adm/coursedocs" method="post" name="newaboutme">
 2589: $uploadtag
 2590: <input type=hidden name="importdetail" 
 2591: value="$plainname=/adm/$udom/$uname/aboutme">
 2592: <nobr>
 2593: <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 2594: $help{'My Personal Info'}
 2595: </nobr>
 2596: </form>
 2597: <form action="/adm/coursedocs" method="post" name="newaboutsomeone">
 2598: $uploadtag
 2599: <input type=hidden name="importdetail" value="">
 2600: <nobr>
 2601: <input name="newaboutsomeone" type="button" value="$lt{'abou'}" 
 2602: onClick="javascript:makeabout();" />
 2603: </nobr>
 2604: </form>
 2605: ENDFORM
 2606:        }
 2607:        if ($env{'form.pagepath'}) {
 2608:            $r->print(<<ENDBLOCK);
 2609: <form action="/adm/coursedocs" method="post" name="newsmpproblem">
 2610: $uploadtag
 2611: <input type=hidden name="importdetail" value="">
 2612: <nobr>
 2613: <input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 2614: onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 2615: </nobr>
 2616: </form>
 2617: <form action="/adm/coursedocs" method="post" name="newexamupload">
 2618: $uploadtag
 2619: <input type=hidden name="importdetail" value="">
 2620: <nobr>
 2621: <input name="newexamupload" type="button" value="$lt{'scuf'}"
 2622: onClick="javascript:makeexamupload();" />
 2623: $help{'Score_Upload_Form'}
 2624: </nobr>
 2625: </form>
 2626: ENDBLOCK
 2627:        }
 2628:        $r->print('</td></tr>'."\n".
 2629: '</table>');
 2630:        $r->print('</td></tr>');
 2631:     }
 2632: # ----------------------------------------------------- Supplemental documents
 2633:     if (!$forcestandard) {
 2634:        $r->print('<tr><td bgcolor="#BBBBBB">');
 2635: # '<h2>'.&mt('Supplemental Course Documents').
 2636: #  ($allowed?' '.$help{'Supplemental'}:'').'</h2>');
 2637:        my $folder=$env{'form.folder'};
 2638:        unless ($folder=~/^supplemental/) {
 2639: 	   $folder='supplemental';
 2640:        }
 2641:        if ($folder =~ /^supplemental$/ &&
 2642: 	   $env{'form.folderpath'} =~ /^default\&/) {
 2643: 	   $env{'form.folderpath'}='supplemental&'.
 2644: 	       &Apache::lonnet::escape(&mt('Supplemental Course Documents'));
 2645:        }
 2646:        &editor($r,$coursenum,$coursedom,$folder,$allowed);
 2647:        if ($allowed) {
 2648:        my $folderseq=
 2649:                   '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
 2650:                      '.sequence';
 2651: 
 2652:           $r->print(<<ENDSUPFORM);
 2653: <table cellspacing=4 cellpadding=4><tr>
 2654: <th bgcolor="#DDDDDD">$lt{'upls'}</th>
 2655: <th bgcolor="#DDDDDD">$lt{'spec'}</th>
 2656: </tr>
 2657: <tr><td bgcolor="#DDDDDD">
 2658: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 2659: <input type="file" name="uploaddoc" size="40">
 2660: <br />$lt{'comment'}:<br />
 2661: <textarea cols=50 rows=4 name='comment'>
 2662: </textarea>
 2663: <br />
 2664: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2665: <input type="hidden" name="cmd" value="upload_supplemental">
 2666: <nobr>
 2667: <input type="submit" value="$lt{'upld'}">
 2668:  $help{'Uploading_From_Harddrive'}
 2669: </nobr>
 2670: </form>
 2671: </td>
 2672: <td bgcolor="#DDDDDD">
 2673: <form action="/adm/coursedocs" method="post" name="supnewfolder">
 2674: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2675: <input type=hidden name="importdetail" value="">
 2676: <nobr>
 2677: <input name="newfolder" type="button"
 2678: onClick="javascript:makenewfolder(this.form,'$folderseq');"
 2679: value="$lt{'newf'}" /> $help{'Adding_Folders'}
 2680: </nobr>
 2681: </form>
 2682: <form action="/adm/coursedocs" method="post" name="supnewext">
 2683: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2684: <input type=hidden name="importdetail" value="">
 2685: <nobr>
 2686: <input name="newext" type="button" 
 2687: onClick="javascript:makenewext('supnewext');"
 2688: value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 2689: </nobr>
 2690: </form>
 2691: <form action="/adm/coursedocs" method="post" name="supnewsyl">
 2692: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2693: <input type=hidden name="importdetail" 
 2694: value="Syllabus=/public/$coursedom/$coursenum/syllabus">
 2695: <nobr>
 2696: <input name="newsyl" type="submit" value="$lt{'syll'}" />
 2697: $help{'Syllabus'}
 2698: </nobr>
 2699: </form>
 2700: <form action="/adm/coursedocs" method="post" name="subnewaboutme">
 2701: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2702: <input type=hidden name="importdetail" 
 2703: value="$plainname=/adm/$udom/$uname/aboutme">
 2704: <nobr>
 2705: <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 2706: $help{'My Personal Info'}
 2707: </nobr>
 2708: </form>
 2709: </td></tr>
 2710: </table></td></tr>
 2711: ENDSUPFORM
 2712:        }
 2713:     }
 2714:     if ($allowed) {
 2715: 	$r->print('<form method="POST" name="extimport" action="/adm/coursedocs"><input type="hidden" name="title" /><input type="hidden" name="url" /><input type="hidden" name="useform" /></form>');
 2716:     }
 2717:     $r->print('</table>');
 2718:   } else {
 2719:       unless ($upload_result eq 'phasetwo') {
 2720: # -------------------------------------------------------- This is showdoc mode
 2721:           $r->print("<h1>".&mt('Uploaded Document').' - '.
 2722: 		&Apache::lonnet::gettitle($r->uri).'</h1><p>'.
 2723: &mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><p><table>".
 2724:           &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table></p>');
 2725:       }
 2726:   }
 2727:  }
 2728:  $r->print('</body></html>');
 2729:  return OK;
 2730: } 
 2731: 
 2732: 1;
 2733: __END__

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