File:  [LON-CAPA] / loncom / interface / londocs.pm
Revision 1.222: download - view: text, annotated - select for diffs
Fri Feb 24 22:52:41 2006 UTC (18 years, 3 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
- wrong order of substition

    1: # The LearningOnline Network
    2: # Documents
    3: #
    4: # $Id: londocs.pm,v 1.222 2006/02/24 22:52:41 albertel 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: 	    $newfilename=~s/\.(\w+)$//;
  170: 	    my $ext=$1;
  171: 	    $newfilename=&clean($newfilename);
  172: 	    $newfilename.='.'.$ext;
  173: 	    my @dirs=split(/\//,$newfilename);
  174: 	    my $path='/home/'.$ca.'/public_html';
  175: 	    my $makepath=$path;
  176: 	    my $fail=0;
  177: 	    for (my $i=0;$i<$#dirs;$i++) {
  178: 		$makepath.='/'.$dirs[$i];
  179: 		unless (-e $makepath) { 
  180: 		    unless(mkdir($makepath,0777)) { $fail=1; } 
  181: 		}
  182: 	    }
  183: 	    $r->print('<br /><tt>'.$_.'</tt> => <tt>'.$newfilename.'</tt>: ');
  184: 	    if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
  185: 		if ($_=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
  186: 		    print $fh &Apache::loncreatecourse::rewritefile(
  187:          &Apache::loncreatecourse::readfile($env{'request.course.id'},$_),
  188: 				     (%replacehash,$crs => '')
  189: 								    );
  190: 		} else {
  191: 		    print $fh
  192:          &Apache::loncreatecourse::readfile($env{'request.course.id'},$_);
  193: 		       }
  194: 		$fh->close();
  195: 	    } else {
  196: 		$fail=1;
  197: 	    }
  198: 	    if ($fail) {
  199: 		$r->print('<font color="red">fail</font>');
  200: 	    } else {
  201: 		$r->print('<font color="green">ok</font>');
  202: 	    }
  203: 	}
  204:     } else {
  205: # Input form
  206: 	unless ($home==1) {
  207: 	    $r->print(
  208: 		      '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');
  209: 	}
  210: 	foreach (sort keys %outhash) {
  211: 	    if ($_=~/^home_(.+)$/) {
  212: 		if ($home==1) {
  213: 		    $r->print(
  214: 		  '<input type="hidden" name="authorspace" value="'.$1.'" />');
  215: 		} else {
  216: 		    $r->print('<option value="'.$1.'">'.$1.' - '.
  217: 			      &Apache::loncommon::plainname(split(/\@/,$1)).'</option>');
  218: 		}
  219: 	    }
  220: 	}
  221: 	unless ($home==1) {
  222: 	    $r->print('</select>');
  223: 	}
  224: 	my $title=$origcrsdata{'description'};
  225: 	$title=~s/\s+/\_/gs;
  226: 	$title=&clean($title);
  227: 	$r->print('<h3>'.&mt('Folder in Construction Space').'</h3><input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
  228: 	&tiehash();
  229: 	$r->print('<h3>'.&mt('Filenames in Construction Space').'</h3><table border="2"><tr><th>'.&mt('Internal Filename').'</th><th>'.&mt('Title').'</th><th>'.&mt('Save as ...').'</th></tr>');
  230: 	foreach (&Apache::loncreatecourse::crsdirlist($origcrsid,'userfiles')) {
  231: 	    $r->print('<tr><td>'.$_.'</td>');
  232: 	    my ($ext)=($_=~/\.(\w+)$/);
  233: 	    my $title=$hash{'title_'.$hash{
  234: 		'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$_}};
  235: 	    $title=~s/&colon;/:/g;
  236: 	    $r->print('<td>'.($title?$title:'&nbsp;').'</td>');
  237: 	    unless ($title) {
  238: 		$title=$_;
  239: 	    }
  240: 	    $title=~s/\.(\w+)$//;
  241: 	    $title=&clean($title);
  242: 	    $title.='.'.$ext;
  243: 	    $r->print("\n<td><input type='text' size='60' name='namefor_".$_."' value='".$title."' /></td></tr>\n");
  244: 	}
  245: 	$r->print("</table>\n");
  246: 	&untiehash();
  247: 	$r->print(
  248:   '<p><input type="submit" name="dumpcourse" value="'.&mt('Dump Course DOCS').'" /></p></form>');
  249:     }
  250: }
  251: 
  252: # ------------------------------------------------------ Generate "export" button
  253: 
  254: sub exportbutton {
  255:     return '</td><td bgcolor="#DDDDCC">'.
  256:             '<input type="submit" name="exportcourse" value="'.
  257:             &mt('Export Course to IMS').'" />'.
  258:     &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs');
  259: }
  260: 
  261: sub exportcourse {
  262:     my $r=shift;
  263:     my %discussiontime = &Apache::lonnet::dump('discussiontimes',
  264:                                                $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
  265:     my $numdisc = keys %discussiontime;
  266:     my $navmap = Apache::lonnavmaps::navmap->new();
  267:     my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
  268:     my $curRes;
  269:     my $outcome;
  270: 
  271:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  272:                                             ['finishexport']);
  273:     if ($env{'form.finishexport'}) {
  274:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  275:                                             ['archive','discussion']);
  276: 
  277:         my @exportitems = &Apache::loncommon::get_env_multiple('form.archive');
  278:         my @discussions = &Apache::loncommon::get_env_multiple('form.discussion');
  279:         if (@exportitems == 0 && @discussions == 0) {
  280:             $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';
  281:         } else {
  282:             my $now = time;
  283:             my %symbs;
  284:             my $manifestok = 0;
  285:             my $imsresources;
  286:             my $tempexport;
  287:             my $copyresult;
  288:             my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
  289:             if ($manifestok) {
  290:                 &build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest);
  291:                 close($ims_manifest);
  292: 
  293: #Create zip file in prtspool
  294:                 my $imszipfile = '/prtspool/'.
  295:                 $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
  296:                    time.'_'.rand(1000000000).'.zip';
  297:                 my $cwd = &Cwd::getcwd();
  298:                 my $imszip = '/home/httpd/'.$imszipfile;
  299:                 chdir $tempexport;
  300:                 open(OUTPUT, "zip -r $imszip *  2> /dev/null |");
  301:                 close(OUTPUT);
  302:                 chdir $cwd;
  303:                 $outcome .= 'Download the zip file from <a href="'.$imszipfile.'">IMS course archive</a><br />';
  304:                 if ($copyresult) {
  305:                     $outcome .= 'The following errors occurred during export - '.$copyresult;
  306:                 }
  307:             } else {
  308:                 $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 />';
  309:             }
  310:         }
  311: 	my $html=&Apache::lonxml::xmlbegin();
  312:         $r->print($html.'<head><title>Export Course</title></head>'.
  313:             &Apache::loncommon::bodytag('Export course to IMS content package'));
  314:         $r->print($outcome);
  315:         $r->print('</body></html>');
  316:     } else {
  317:         my $display;
  318:         $display = '<form name="exportdoc" method="post">'."\n";
  319:         $display .= 'Choose which items you wish to export from your course.<br /><br />';
  320:         $display .= '<table border="0" cellspacing="0" cellpadding="3">'.
  321:                     '<tr><td><fieldset><legend>&nbsp;<b>Content items</b></legend>'.
  322:                     '<input type="button" value="check all" '.
  323:                     'onclick="javascript:checkAll(document.exportdoc.archive)" />'.
  324:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  325:                     ' onclick="javascript:uncheckAll(document.exportdoc.archive)" /></fieldset></td>'.
  326:                     '<td>&nbsp;</td><td>&nbsp;</td>'.
  327:                     '<td align="right"><fieldset><legend>&nbsp;<b>Discussion posts'.
  328:                     '</b></legend><input type="button" value="check all"'.
  329:                     ' onclick="javascript:checkAll(document.exportdoc.discussion)" />'.
  330:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  331:                     ' onclick="javascript:uncheckAll(document.exportdoc.discussion)" /></fieldset></td>'.
  332:                     '</tr></table>';
  333:         my $curRes;
  334:         my $depth = 0;
  335:         my $count = 0;
  336:         my $boards = 0;
  337:         my $startcount = 5;
  338:         my %parent = ();
  339:         my %children = ();
  340:         my $lastcontainer = $startcount;
  341:         my @bgcolors = ('#F6F6F6','#FFFFFF');
  342:         $display .= '<table cellspacing="0"><tr>'.
  343:             '<td><b>Export content item?<br /></b></td><td>&nbsp;</td><td align="right">'."\n";
  344:         if ($numdisc > 0) {
  345:             $display.='<b>Export&nbsp;discussion posts?</b>'."\n";
  346:         }
  347:         $display.='&nbsp;</td></tr>';
  348:         while ($curRes = $it->next()) {
  349:             if (ref($curRes)) {
  350:                 $count ++;
  351:             }
  352:             if ($curRes == $it->BEGIN_MAP()) {
  353:                 $depth++;
  354:                 $parent{$depth} = $lastcontainer;
  355:             }
  356:             if ($curRes == $it->END_MAP()) {
  357:                 $depth--;
  358:                 $lastcontainer = $parent{$depth};
  359:             }
  360:             if (ref($curRes)) {
  361:                 my $symb = $curRes->symb();
  362:                 my $ressymb = $symb;
  363:                 if ($ressymb =~ m|adm/(\w+)/(\w+)/(\d+)/bulletinboard$|) {
  364:                     unless ($ressymb =~ m|adm/wrapper/adm|) {
  365:                         $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  366:                     }
  367:                 }
  368:                 my $color = $count%2;
  369:                 $display .='<tr bgcolor='.$bgcolors[$color].'><td>'."\n".
  370:                     '<input type="checkbox" name="archive" value="'.$count.'" ';
  371:                 if (($curRes->is_sequence()) || ($curRes->is_page())) {
  372:                     my $checkitem = $count + $boards + $startcount;
  373:                     $display .= 'onClick="javascript:propagateCheck('."'$checkitem'".')"';
  374:                 }
  375:                 $display .= ' />'."\n";
  376:                 for (my $i=0; $i<$depth; $i++) {
  377:                     $display .= '<img src="/adm/lonIcons/whitespace1.gif" width="25" height="1" alt="" border="0" /><img src="/adm/lonIcons/whitespace1.gif" width="25" height="1" alt="" border="0" />'."\n";
  378:                 }
  379:                 if ($curRes->is_sequence()) {
  380:                     $display .= '<img src="/adm/lonIcons/navmap.folder.open.gif">&nbsp;'."\n";
  381:                     $lastcontainer = $count + $startcount + $boards;
  382:                 } elsif ($curRes->is_page()) {
  383:                     $display .= '<img src="/adm/lonIcons/navmap.page.open.gif">&nbsp;'."\n";
  384:                     $lastcontainer = $count + $startcount + $boards;
  385:                 }
  386:                 my $currelem = $count+$boards+$startcount;
  387:                 $children{$parent{$depth}} .= $currelem.':';
  388:                 $display .= '&nbsp;'.$curRes->title().'</td>';
  389:                 if ($discussiontime{$ressymb} > 0) {
  390:                     $boards ++;
  391:                     $currelem = $count+$boards+$startcount;
  392:                     $display .= '<td>&nbsp;</td><td align="right"><input type="checkbox" name="discussion" value="'.$count.'" />&nbsp;</td>'."\n";
  393:                 } else {
  394:                     $display .= '<td colspan="2">&nbsp;</td>'."\n";
  395:                 }
  396:             }
  397:         }
  398:         my $scripttag = qq|
  399: <script>
  400: 
  401: function checkAll(field) {
  402:     if (field.length > 0) {
  403:         for (i = 0; i < field.length; i++) {
  404:             field[i].checked = true ;
  405:         }
  406:     } else {
  407:         field.checked = true
  408:     }
  409: }
  410:                                                                                 
  411: function uncheckAll(field) {
  412:     if (field.length > 0) {
  413:         for (i = 0; i < field.length; i++) {
  414:             field[i].checked = false ;
  415:         }
  416:     } else {
  417:         field.checked = false ;
  418:     }
  419: }
  420: 
  421: function propagateCheck(item) {
  422:     if (document.exportdoc.elements[item].checked == true) {
  423:         containerCheck(item)
  424:     }
  425: } 
  426: 
  427: function containerCheck(item) {
  428:     document.exportdoc.elements[item].checked = true
  429:     var numitems = $count + $boards + $startcount
  430:     var parents = new Array(numitems)
  431:     for (var i=$startcount; i<numitems; i++) {
  432:         parents[i] = new Array
  433:     }
  434:         |;
  435: 
  436:         foreach my $container (sort { $a <=> $b } keys %children) {
  437:             my @contents = split/:/,$children{$container};
  438:             for (my $i=0; $i<@contents; $i ++) {
  439:                 $scripttag .= '    parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
  440:             }
  441:         }
  442: 
  443:         $scripttag .= qq|
  444:     if (parents[item].length > 0) {
  445:         for (var j=0; j<parents[item].length; j++) {
  446:             containerCheck(parents[item][j])
  447:         }
  448:      }   
  449: }
  450: 
  451: </script>
  452:         |;
  453: 	my $html=&Apache::lonxml::xmlbegin();
  454:         $r->print($html.'<head><title>Export Course</title>'.$scripttag.'</head>'.
  455:             &Apache::loncommon::bodytag('Export course to IMS content package'
  456: ));
  457: 
  458:         $r->print($display.'</table>'.
  459:                   '<p><input type="hidden" name="finishexport" value="1">'.
  460:                   '<input type="submit" name="exportcourse" value="'.
  461:                   &mt('Export Course DOCS').'" /></p></form></body></html>');
  462:     }
  463: }
  464: 
  465: sub create_ims_store {
  466:     my ($now,$manifestok,$outcome,$tempexport) = @_;
  467:     $$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
  468:     my $ims_manifest;
  469:     if (!-e $$tempexport) {
  470:         mkdir($$tempexport,0700);
  471:     }
  472:     $$tempexport .= '/'.$now;
  473:     if (!-e $$tempexport) {
  474:         mkdir($$tempexport,0700);
  475:     }
  476:     $$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
  477:     if (!-e $$tempexport) {
  478:         mkdir($$tempexport,0700);
  479:     }
  480:     if (!-e "$$tempexport/resources") {
  481:         mkdir("$$tempexport/resources",0700);
  482:     }
  483: # open manifest file
  484:     my $manifest = '/imsmanifest.xml';
  485:     my $manifestfilename = $$tempexport.$manifest;
  486:     if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
  487:         $$manifestok=1;
  488:         print $ims_manifest
  489: '<?xml version="1.0" encoding="UTF-8"?>'."\n".
  490: '<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"'.
  491: ' xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"'.
  492: ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'.
  493: ' identifier="MANIFEST-'.$env{'request.course.id'}.'-'.$now.'"'.
  494: '  xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1imscp_v1p1.xsd'.
  495: '  http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">'."\n".
  496: '  <metadata>
  497:     <schema></schema>
  498:     <imsmd:lom>
  499:       <imsmd:general>
  500:         <imsmd:identifier>'.$env{'request.course.id'}.'</imsmd:identifier>
  501:         <imsmd:title>
  502:           <imsmd:langstring xml:lang="en">'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</imsmd:langstring>
  503:         </imsmd:title>
  504:       </imsmd:general>
  505:     </imsmd:lom>
  506:   </metadata>'."\n".
  507: '  <organizations default="ORG-'.$env{'request.course.id'}.'-'.$now.'">'."\n".
  508: '    <organization identifier="ORG-'.$env{'request.course.id'}.'-'.$now.'"'.
  509: ' structure="hierarchical">'."\n".
  510: '      <title>'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</title>'
  511:     } else {
  512:         $$outcome .= 'An error occurred opening the IMS manifest file.<br />'
  513: ;
  514:     }
  515:     return $ims_manifest;
  516: }
  517: 
  518: sub build_package {
  519:     my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
  520: # first iterator to look for dependencies
  521:     my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  522:     my $curRes;
  523:     my $count = 0;
  524:     my $depth = 0;
  525:     my $lastcontainer = 0;
  526:     my %parent = ();
  527:     my @dependencies = ();
  528:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  529:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  530:     while ($curRes = $it->next()) {
  531:         if (ref($curRes)) {
  532:             $count ++;
  533:         }
  534:         if ($curRes == $it->BEGIN_MAP()) {
  535:             $depth++;
  536:             $parent{$depth} = $lastcontainer;
  537:         }
  538:         if ($curRes == $it->END_MAP()) {
  539:             $depth--;
  540:             $lastcontainer = $parent{$depth};
  541:         }
  542:         if (ref($curRes)) {
  543:             if ($curRes->is_sequence() || $curRes->is_page()) {
  544:                 $lastcontainer = $count;
  545:             }
  546:             if (grep/^$count$/,@$exportitems) {
  547:                 &get_dependencies($exportitems,\%parent,$depth,\@dependencies);
  548:             }
  549:         }
  550:     }
  551: # second iterator to build manifest and store resources
  552:     $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  553:     $depth = 0;
  554:     my $prevdepth;
  555:     $count = 0;
  556:     my $imsresources;
  557:     my $pkgdepth;
  558:     while ($curRes = $it->next()) {
  559:         if ($curRes == $it->BEGIN_MAP()) {
  560:             $prevdepth = $depth;
  561:             $depth++;
  562:         }
  563:         if ($curRes == $it->END_MAP()) {
  564:             $prevdepth = $depth;
  565:             $depth--;
  566:         }
  567: 
  568:         if (ref($curRes)) {
  569:             $count ++;
  570:             if ((grep/^$count$/,@$exportitems) || (grep/^$count$/,@dependencies)) {
  571:                 my $symb = $curRes->symb();
  572:                 my $isvisible = 'true';
  573:                 my $resourceref;
  574:                 if ($curRes->randomout()) {
  575:                     $isvisible = 'false';
  576:                 }
  577:                 unless ($curRes->is_sequence()) {
  578:                     $resourceref = 'identifierref="RES-'.$env{'request.course.id'}.'-'.$count.'"';
  579:                 }
  580:                 my $step = $prevdepth - $depth;
  581:                 if (($step >= 0) && ($count > 1)) {
  582:                     while ($step >= 0) {
  583:                         print $ims_manifest "\n".'  </item>'."\n";
  584:                         $step --;
  585:                     }
  586:                 }
  587:                 $prevdepth = $depth;
  588: 
  589:                 my $itementry =
  590:               '<item identifier="ITEM-'.$env{'request.course.id'}.'-'.$count.
  591:               '" isvisible="'.$isvisible.'" '.$resourceref.'>'.
  592:               '<title>'.$curRes->title().'</title>';
  593:                 print $ims_manifest "\n".$itementry;
  594: 
  595:                 unless ($curRes->is_sequence()) {
  596:                     my $content_file;
  597:                     my @hrefs = ();
  598:                     &process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport);
  599:                     if ($content_file) {
  600:                         $imsresources .= "\n".
  601:                      '   <resource identifier="RES-'.$env{'request.course.id'}.'-'.$count.
  602:                      '" type="webcontent" href="'.$content_file.'">'."\n".
  603:                      '       <file href="'.$content_file.'" />'."\n";
  604:                         foreach (@hrefs) {
  605:                             $imsresources .=
  606:                      '        <file href="'.$_.'" />'."\n";
  607:                         }
  608:                         if (grep/^$count$/,@$discussions) {
  609:                             my $ressymb = $symb;
  610:                             my $mode;
  611:                             if ($ressymb =~ m|adm/(\w+)/(\w+)/(\d+)/bulletinboard$|) {
  612:                                 unless ($ressymb =~ m|adm/wrapper/adm|) {
  613:                                     $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  614:                                 }
  615:                                 $mode = 'board';
  616:                             }
  617:                             my %extras = (
  618:                                           caller => 'imsexport',
  619:                                           tempexport => $tempexport.'/resources',
  620:                                           count => $count
  621:                                          );
  622:                             my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras);
  623:                         }
  624:                         $imsresources .= '    </resource>'."\n";
  625:                     }
  626:                 }
  627:                 $pkgdepth = $depth;
  628:             }
  629:         }
  630:     }
  631:     while ($pkgdepth > 0) {
  632:         print $ims_manifest "    </item>\n";
  633:         $pkgdepth --;
  634:     }
  635:     my $resource_text = qq|
  636:     </organization>
  637:   </organizations>
  638:   <resources>
  639:     $imsresources
  640:   </resources>
  641: </manifest>
  642:     |;
  643:     print $ims_manifest $resource_text;
  644: }
  645: 
  646: sub get_dependencies {
  647:     my ($exportitems,$parent,$depth,$dependencies) = @_;
  648:     if ($depth > 1) {
  649:         if ((!grep/^$$parent{$depth}$/,@$exportitems) && (!grep/^$$parent{$depth}$/,@$dependencies)) {
  650:             push @$dependencies, $$parent{$depth};
  651:             if ($depth > 2) {
  652:                 &get_dependencies($exportitems,$parent,$depth-1,$dependencies);
  653:             }
  654:         }
  655:     }
  656: }
  657: 
  658: sub process_content {
  659:     my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
  660:     my $content_type;
  661:     my $message;
  662:     my @uploads = ();
  663:     if ($curRes->is_sequence()) {
  664:         $content_type = 'sequence';
  665:     } elsif ($curRes->is_page()) {
  666:         $content_type = 'page'; # need to handle individual items in pages.
  667:     } elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
  668:         $content_type = 'syllabus';
  669:         my $contents = &Apache::imsexport::templatedpage($content_type);
  670:         if ($contents) {
  671:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  672:         }
  673:     } elsif ($symb =~ m-\.sequence___\d+___ext-) {
  674:         $content_type = 'external';
  675:         my $title = $curRes->title;
  676:         my $contents =  &Apache::imsexport::external($symb,$title);
  677:         if ($contents) {
  678:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  679:         }
  680:     } elsif ($symb =~ m-adm/navmaps$-) {
  681:         $content_type =  'navmap';
  682:     } elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) {
  683:         $content_type = 'simplepage';
  684:         my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads);
  685:         if ($contents) {
  686:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  687:         }
  688:     } elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) {
  689:         $content_type = 'simpleproblem';
  690:         my $contents =  &Apache::imsexport::simpleproblem($symb);
  691:         if ($contents) {
  692:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  693:         }
  694:     } elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
  695:         $content_type = 'examupload';
  696:     } elsif ($symb =~ m-adm/(\w+)/(\w+)/(\d+)/bulletinboard$-) {
  697:         $content_type = 'bulletinboard';
  698:         my $contents =  &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
  699:         if ($contents) {
  700:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  701:         }
  702:     } elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) {
  703:         $content_type = 'aboutme';
  704:         my $contents =  &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2);
  705:         if ($contents) {
  706:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  707:         }
  708:     } elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) {
  709:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  710:     } elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) {
  711:         my $canedit = 0;
  712:         if ($2 eq $env{'user.domain'} && $3 eq $env{'user.name'})  {
  713:             $canedit= 1;
  714:         }
  715: # only include problem code where current user is author
  716:         if ($canedit) {
  717:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource');
  718:         } else {
  719:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit');
  720:         }
  721:     } elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
  722:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  723:     }
  724:     if (@uploads > 0) {
  725:         foreach my $item (@uploads) {
  726:             my $uploadmsg = '';
  727:             &replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload');
  728:             if ($uploadmsg) {
  729:                 $$copyresult .= $uploadmsg."\n";
  730:             }
  731:         }
  732:     }
  733:     if ($message) {
  734:         $$copyresult .= $message."\n";
  735:     }
  736: }
  737: 
  738: sub replicate_content {
  739:     my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
  740:     my ($map,$ind,$url);
  741:     if ($caller eq 'templateupload') {
  742:         $url = $symb;
  743:         $url =~ s#//#/#g;
  744:     } else { 
  745:         ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
  746:     }
  747:     my $content;
  748:     my $filename;
  749:     my $repstatus;
  750:     my $content_name;
  751:     if ($url =~ m-/([^/]+)$-) {
  752:         $filename = $1;
  753:         if (!-e $tempexport.'/resources') {
  754:             mkdir($tempexport.'/resources',0700);
  755:         }
  756:         if (!-e $tempexport.'/resources/'.$count) {
  757:             mkdir($tempexport.'/resources/'.$count,0700);
  758:         }
  759:         my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
  760:         my $copiedfile;
  761:         if ($copiedfile = Apache::File->new('>'.$destination)) {
  762:             my $content;
  763:             if ($caller eq 'resource') {
  764:                 my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
  765:                 my $filepath = &Apache::lonnet::filelocation($respath,$url);
  766:                 $content = &Apache::lonnet::getfile($filepath);
  767:                 if ($content eq -1) {
  768:                     $$message = 'Could not copy file '.$filename;
  769:                 } else {
  770:                     &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'resource');
  771:                     $repstatus = 'ok';
  772:                 }
  773:             } elsif ($caller eq 'uploaded' || $caller eq 'templateupload') {
  774:                 my $rtncode;
  775:                 $repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode);
  776:                 if ($repstatus eq 'ok') {
  777:                     if ($url =~ /\.html?$/i) {
  778:                         &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'uploaded');
  779:                     }
  780:                 } else {
  781:                     $$message = 'Could not render '.$url.' server message - '.$rtncode."<br />\n";
  782:                 }
  783:             } elsif ($caller eq 'noedit') {
  784: # Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this. 
  785:                 $repstatus = 'ok';
  786:                 $content = 'Not the owner of this resource'; 
  787:             }
  788:             if ($repstatus eq 'ok') {
  789:                 print $copiedfile $content;
  790:             }
  791:             close($copiedfile);
  792:         } else {
  793:             $$message = 'Could not open destination file for '.$filename."<br />\n";
  794:         }
  795:     } else {
  796:         $$message = 'Could not determine name of file for '.$symb."<br />\n";
  797:     }
  798:     if ($repstatus eq 'ok') {
  799:         $content_name = 'resources/'.$count.'/'.$filename;
  800:     }
  801:     return $content_name;
  802: }
  803: 
  804: sub extract_media {
  805:     my ($url,$cdom,$cnum,$content,$count,$tempexport,$href,$message,$caller) = @_;
  806:     my ($dirpath,$container);
  807:     my %allfiles = ();
  808:     my %codebase = ();
  809:     if ($url =~ m-(.*/)([^/]+)$-) {
  810:         $dirpath = $1;
  811:         $container = $2;
  812:     } else {
  813:         $dirpath = $url;
  814:         $container = '';
  815:     }
  816:     &Apache::lonnet::extract_embedded_items(undef,undef,\%allfiles,\%codebase,$content);
  817:     foreach my $embed_file (keys(%allfiles)) {
  818:         my $filename;
  819:         if ($embed_file =~ m#([^/]+)$#) {
  820:             $filename = $1;
  821:         } else {
  822:             $filename = $embed_file;
  823:         }
  824:         my $newname = 'res/'.$filename;
  825:         my ($rtncode,$embed_content,$repstatus);
  826:         my $embed_url;
  827:         if ($embed_file =~ m-^/-) {
  828:             $embed_url = $embed_file;           # points to absolute path
  829:         } else {
  830:             if ($embed_file =~ m-https?://-) {
  831:                 next;                           # points to url
  832:             } else {
  833:                 $embed_url = $dirpath.$embed_file;  # points to relative path
  834:             }
  835:         }
  836:         if ($caller eq 'resource') {
  837:             my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';  
  838:             my $embed_path = &Apache::lonnet::filelocation($respath,$embed_url); 
  839:             $embed_content = &Apache::lonnet::getfile($embed_path);
  840:             unless ($embed_content eq -1) {
  841:                 $repstatus = 'ok';
  842:             }
  843:         } elsif ($caller eq 'uploaded') {
  844:             
  845:             $repstatus = &Apache::lonnet::getuploaded('GET',$embed_url,$cdom,$cnum,\$embed_content,$rtncode);
  846:         }
  847:         if ($repstatus eq 'ok') {
  848:             my $destination = $tempexport.'/resources/'.$count.'/res';
  849:             if (!-e "$destination") {
  850:                 mkdir($destination,0755);
  851:             }
  852:             $destination .= '/'.$filename;
  853:             my $copiedfile;
  854:             if ($copiedfile = Apache::File->new('>'.$destination)) {
  855:                 print $copiedfile $embed_content;
  856:                 push @{$href}, 'resources/'.$count.'/res/'.$filename;
  857:                 my $attrib_regexp = '';
  858:                 if (@{$allfiles{$embed_file}} > 1) {
  859:                     $attrib_regexp = join('|',@{$allfiles{$embed_file}});
  860:                 } else {
  861:                     $attrib_regexp = $allfiles{$embed_file}[0];
  862:                 }
  863:                 $$content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$embed_file\E(['"]?)#$1$newname$2#gi;
  864:                 if ($caller eq 'resource' && $container =~ /\.(problem|library)$/) {
  865:                     $$content =~ s#\Q$embed_file\E#$newname#gi;
  866:                 }
  867:             }
  868:         } else {
  869:             $$message .= 'replication of embedded file - '.$embed_file.' in '.$url.' failed, reason -'.$rtncode."<br />\n";
  870:         }
  871:     }
  872:     return;
  873: }
  874: 
  875: sub store_template {
  876:     my ($contents,$tempexport,$count,$content_type) = @_;
  877:     if ($contents) {
  878:         if ($tempexport) {
  879:             if (!-e $tempexport.'/resources') {
  880:                 mkdir($tempexport.'/resources',0700);
  881:             }
  882:             if (!-e $tempexport.'/resources/'.$count) {
  883:                 mkdir($tempexport.'/resources/'.$count,0700);
  884:             }
  885:             my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml';
  886:             my $storetemplate;
  887:             if ($storetemplate = Apache::File->new('>'.$destination)) {
  888:                 print $storetemplate $contents;
  889:                 close($storetemplate);
  890:             }
  891:             if ($content_type eq 'external') {
  892:                 return 'resources/'.$count.'/'.$content_type.'.html';
  893:             } else {
  894:                 return 'resources/'.$count.'/'.$content_type.'.xml';
  895:             }
  896:         }
  897:     }
  898: }
  899: 
  900: # Imports the given (name, url) resources into the course
  901: # coursenum, coursedom, and folder must precede the list
  902: sub group_import {
  903:     my $coursenum = shift;
  904:     my $coursedom = shift;
  905:     my $folder = shift;
  906:     my $container = shift;
  907:     my $caller = shift;
  908:     while (@_) {
  909: 	my $name = shift;
  910: 	my $url = shift;
  911:         if (($url =~ m#^/uploaded/$coursedom/$coursenum/(default_\d+\.)(page|sequence)$#) && ($caller eq 'londocs')) {
  912:             my $errtext = '';
  913:             my $fatal = 0;
  914:             my $newmapstr = '<map>'."\n".
  915:                             '<resource id="1" src="" type="start"></resource>'."\n".
  916:                             '<link from="1" to="2" index="1"></link>'."\n".
  917:                             '<resource id="2" src="" type="finish"></resource>'."\n".
  918:                             '</map>';
  919:             $env{'form.output'}=$newmapstr;
  920:             my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
  921:                                                 'output',$1.$2);
  922:             if ($result != m|^/uploaded/|) {
  923:                 $errtext.='Map not saved: A network error occured when trying to save the new map. ';
  924:                 $fatal = 2;
  925:             }
  926:             if ($fatal) {
  927:                 return ($errtext,$fatal);
  928:             }
  929:         }
  930: 	if ($url) {
  931: 	    my $idx = &Apache::lonratedt::getresidx($url);
  932: 	    $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=$idx;
  933: 	    my $ext = 'false';
  934: 	    if ($url=~/^http:\/\//) { $ext = 'true'; }
  935: 	    $url =~ s/:/\&colon;/g;
  936: 	    $name =~ s/:/\&colon;/g;
  937: 	    $Apache::lonratedt::resources[$idx] = 
  938: 		join ':', ($name, $url, $ext, 'normal', 'res');
  939: 	}
  940:     }
  941:     return &storemap($coursenum, $coursedom, $folder.'.'.$container);
  942: }
  943: 
  944: sub breadcrumbs {
  945:     my ($where)=@_;
  946:     &Apache::lonhtmlcommon::clear_breadcrumbs();
  947:     my (@folders);
  948:     if ($env{'form.pagepath'}) {
  949:         @folders = split('&',$env{'form.pagepath'});
  950:     } else {
  951:         @folders=split('&',$env{'form.folderpath'});
  952:     }
  953:     my $folderpath;
  954:     my $cpinfo='';
  955:     if ($env{'form.markedcopy_url'}) {
  956: 	&Apache::lonnet::logthis('Found '.$env{'form.markedcopy_url'});
  957:        $cpinfo='&markedcopy_url='.
  958:                &Apache::lonnet::escape($env{'form.markedcopy_url'}).
  959:                '&markedcopy_title='.
  960:                &Apache::lonnet::escape($env{'form.markedcopy_title'});
  961:     }
  962:     while (@folders) {
  963: 	my $folder=shift(@folders);
  964: 	my $foldername=shift(@folders);
  965: 	if ($folderpath) {$folderpath.='&';}
  966: 	$folderpath.=$folder.'&'.$foldername;
  967: 	my $url='/adm/coursedocs?folderpath='.
  968: 	    &Apache::lonnet::escape($folderpath);
  969: 	    &Apache::lonhtmlcommon::add_breadcrumb(
  970: 		      {'href'=>$url.$cpinfo,
  971: 		       'title'=>&Apache::lonnet::unescape($foldername),
  972: 		       'text'=>'<font size="+1">'.
  973: 			   &Apache::lonnet::unescape($foldername).'</font>'
  974: 		       });
  975: 		       
  976: 						 
  977:     }
  978:     return &Apache::lonhtmlcommon::breadcrumbs(undef,undef,undef,undef,undef,
  979: 					       0,'nohelp');
  980: }
  981: 
  982: sub editor {
  983:     my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output)=@_;
  984:     my $errtext='';
  985:     my $fatal=0;
  986:     my $container='sequence';
  987:     if ($env{'form.pagepath'}) {
  988:         $container='page';
  989:     }
  990:     ($errtext,$fatal)=
  991:               &mapread($coursenum,$coursedom,$folder.'.'.$container);
  992:     if ($#Apache::lonratedt::order<1) {
  993: 	my $idx=&Apache::lonratedt::getresidx();
  994: 	if ($idx<=0) { $idx=1; }
  995:        	$Apache::lonratedt::order[0]=$idx;
  996:         $Apache::lonratedt::resources[$idx]='';
  997:     }
  998:     if (defined($env{'form.markcopy'})) {
  999: # Mark for copying
 1000: 	my ($title,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$env{'form.markcopy'}]]);
 1001: 	$env{'form.markedcopy_title'}=$title;
 1002: 	$env{'form.markedcopy_url'}=$url;
 1003:     }
 1004:     $r->print(&breadcrumbs($folder));
 1005:     if ($fatal) {
 1006: 	   $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1007:     } else {
 1008: # ------------------------------------------------------------ Process commands
 1009: 
 1010: # ---------------- if they are for this folder and user allowed to make changes
 1011: 	if (($allowed) && ($env{'form.folder'} eq $folder)) {
 1012: # set parameters and change order
 1013: 	    if (defined($env{'form.setparms'})) {
 1014: 		my $idx=$env{'form.setparms'};
 1015: # set parameters
 1016: 		if ($env{'form.randpick_'.$idx}) {
 1017: 		    &Apache::lonratedt::storeparameter($idx,'parameter_randompick',$env{'form.randpick_'.$idx},'int_pos');
 1018: 		} else {
 1019: 		    &Apache::lonratedt::delparameter($idx,'parameter_randompick');
 1020: 		}
 1021: 		if ($env{'form.hidprs_'.$idx}) {
 1022: 		    &Apache::lonratedt::storeparameter($idx,'parameter_hiddenresource','yes','string_yesno');
 1023: 		} else {
 1024: 		    &Apache::lonratedt::delparameter($idx,'parameter_hiddenresource');
 1025: 		}
 1026: 		if ($env{'form.encprs_'.$idx}) {
 1027: 		    &Apache::lonratedt::storeparameter($idx,'parameter_encrypturl','yes','string_yesno');
 1028: 		} else {
 1029: 		    &Apache::lonratedt::delparameter($idx,'parameter_encrypturl');
 1030: 		}
 1031: 
 1032: 		if ($env{'form.newpos'}) {
 1033: # change order
 1034: 
 1035: 		    my $newpos=$env{'form.newpos'}-1;
 1036: 		    my $currentpos=$env{'form.currentpos'}-1;
 1037: 		    my $i;
 1038: 		    my @neworder=();
 1039: 		    if ($newpos>$currentpos) {
 1040: # moving stuff up
 1041: 			for ($i=0;$i<$currentpos;$i++) {
 1042: 			    $neworder[$i]=$Apache::lonratedt::order[$i];
 1043: 			}
 1044: 			for ($i=$currentpos;$i<$newpos;$i++) {
 1045: 			    $neworder[$i]=$Apache::lonratedt::order[$i+1];
 1046: 			}
 1047:                         $neworder[$newpos]=$Apache::lonratedt::order[$currentpos];
 1048: 			for ($i=$newpos+1;$i<=$#Apache::lonratedt::order;$i++) {
 1049: 			    $neworder[$i]=$Apache::lonratedt::order[$i];
 1050: 			}
 1051: 		    } else {
 1052: # moving stuff down
 1053: 			for ($i=0;$i<$newpos;$i++) {
 1054: 			    $neworder[$i]=$Apache::lonratedt::order[$i];
 1055: 			}
 1056: 			$neworder[$newpos]=$Apache::lonratedt::order[$currentpos];
 1057: 			for ($i=$newpos+1;$i<$currentpos+1;$i++) {
 1058: 			    $neworder[$i]=$Apache::lonratedt::order[$i-1];
 1059: 			}
 1060: 			for ($i=$currentpos+1;$i<=$#Apache::lonratedt::order;$i++) {
 1061: 			    $neworder[$i]=$Apache::lonratedt::order[$i];
 1062: 			}
 1063: 		    }
 1064: 		    @Apache::lonratedt::order=@neworder;
 1065: 		}
 1066: # store the changed version
 1067: 
 1068: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1069: 		if ($fatal) {
 1070: 		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1071: 		    return;
 1072: 		}
 1073: 		
 1074: 	    }
 1075: 	    if ($env{'form.pastemarked'}) {
 1076: # paste resource to end of list
 1077:                 my $url=$env{'form.markedcopy_url'};
 1078: 		my $title=$env{'form.markedcopy_title'};
 1079: # Maps need to be copied first
 1080: 		if (($url=~/\.(page|sequence)$/) || ($url=~/^\/uploaded\//)) {
 1081: 		    $title=&mt('Copy of').' '.$title;
 1082:                     my $newid=$$.time;
 1083: 		    $url=~/^(.+)\.(\w+)$/;
 1084: 		    my $newurl=$1.$newid.'.'.$2;
 1085: 		    my $storefn=$newurl;
 1086:                     $storefn=~s/^\/\w+\/\w+\/\w+\///;
 1087: 		    &Apache::loncreatecourse::writefile
 1088: 			($env{'request.course.id'},$storefn,
 1089: 			 &Apache::lonnet::getfile($url));
 1090: 		    $url=$newurl;
 1091: 		}
 1092: 		$title=~s/\</\&lt\;/g;
 1093: 		$title=~s/\>/\&gt\;/g;
 1094: 		$title=~s/\:/\&colon;/g;
 1095: 		my $ext='false';
 1096: 		if ($url=~/^http\:\/\//) { $ext='true'; }
 1097: 		$url=~s/\:/\&colon;/g;
 1098: # Now insert the URL at the bottom
 1099:                 my $newidx=&Apache::lonratedt::getresidx($url);
 1100: 		$Apache::lonratedt::resources[$newidx]=
 1101: 		    $title.':'.$url.':'.$ext.':normal:res';
 1102: 		$Apache::lonratedt::order[1+$#Apache::lonratedt::order]=$newidx;
 1103: # Store the result
 1104: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1105: 		if ($fatal) {
 1106: 		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1107: 		    return;
 1108: 		}
 1109: 
 1110: 	    }
 1111:             $r->print($upload_output);
 1112: 	    if ($env{'form.cmd'}) {
 1113:                 my ($cmd,$idx)=split(/\_/,$env{'form.cmd'});
 1114:                 if ($cmd eq 'del') {
 1115: 		    my (undef,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]]);
 1116: 		    if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
 1117: 			($url!~/\.(page|sequence|problem|exam|quiz|assess|survey|form|library|task)$/)) {
 1118: 			&Apache::lonnet::removeuploadedurl($url);
 1119: 		    } else {
 1120: 			&Apache::lonratedt::makezombie($Apache::lonratedt::order[$idx]);
 1121: 		    }
 1122: 		    for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
 1123:                         $Apache::lonratedt::order[$i]=
 1124:                           $Apache::lonratedt::order[$i+1];
 1125:                     }
 1126:                     $#Apache::lonratedt::order--;
 1127:                 } elsif ($cmd eq 'cut') {
 1128: 		    my (undef,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]]);
 1129: 		    &Apache::lonratedt::makezombie($Apache::lonratedt::order[$idx]);
 1130: 		    for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
 1131:                         $Apache::lonratedt::order[$i]=
 1132:                           $Apache::lonratedt::order[$i+1];
 1133:                     }
 1134:                     $#Apache::lonratedt::order--;
 1135:                 } elsif ($cmd eq 'up') {
 1136: 		  if (($idx) && (defined($Apache::lonratedt::order[$idx-1]))) {
 1137:                     my $i=$Apache::lonratedt::order[$idx-1];
 1138:                     $Apache::lonratedt::order[$idx-1]=
 1139: 			$Apache::lonratedt::order[$idx];
 1140:                     $Apache::lonratedt::order[$idx]=$i;
 1141: 		   }
 1142:                 } elsif ($cmd eq 'down') {
 1143: 		   if (defined($Apache::lonratedt::order[$idx+1])) {
 1144:                     my $i=$Apache::lonratedt::order[$idx+1];
 1145:                     $Apache::lonratedt::order[$idx+1]=
 1146: 			$Apache::lonratedt::order[$idx];
 1147:                     $Apache::lonratedt::order[$idx]=$i;
 1148: 		   }
 1149:                 } elsif ($cmd eq 'rename') {
 1150:                     my $ratstr = $Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]];
 1151:                     my ($rtitle,@rrest)=split(/\:/,
 1152:                        $Apache::lonratedt::resources[
 1153: 				       $Apache::lonratedt::order[$idx]]);
 1154:                     my $comment=
 1155:                      &HTML::Entities::decode($env{'form.title'});
 1156:                     $comment=~s/\</\&lt\;/g;
 1157:                     $comment=~s/\>/\&gt\;/g;
 1158:                     $comment=~s/\:/\&colon;/g;
 1159: 		    if ($comment=~/\S/) {
 1160: 			$Apache::lonratedt::resources[
 1161: 				       $Apache::lonratedt::order[$idx]]=
 1162: 				            $comment.':'.join(':',@rrest);
 1163: 		    }
 1164:                 }
 1165: # Store the changed version
 1166: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1167: 					    $folder.'.'.$container);
 1168: 		if ($fatal) {
 1169: 		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1170: 		    return;
 1171: 		}
 1172:             }
 1173: # Group import/search
 1174: 	    if ($env{'form.importdetail'}) {
 1175: 		my @imports;
 1176: 		foreach (split(/\&/,$env{'form.importdetail'})) {
 1177: 		    if (defined($_)) {
 1178: 			my ($name,$url)=split(/\=/,$_);
 1179: 			$name=&Apache::lonnet::unescape($name);
 1180: 			$url=&Apache::lonnet::unescape($url);
 1181: 			push @imports, $name, $url;
 1182: 		    }
 1183: 		}
 1184: # Store the changed version
 1185: 		($errtext,$fatal)=group_import($coursenum, $coursedom, $folder,
 1186: 					       $container,'londocs',@imports);
 1187: 		if ($fatal) {
 1188: 		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1189: 		    return;
 1190: 		}
 1191:             }
 1192: # Loading a complete map
 1193: 	   if (($env{'form.importmap'}) && ($env{'form.loadmap'})) {
 1194: 	       foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$env{'form.importmap'}))) {
 1195: 		   my ($title,$url,$ext,$type)=split(/\:/,$_);
 1196:                    my $idx=&Apache::lonratedt::getresidx($url);
 1197:                    $Apache::lonratedt::resources[$idx]=$_;
 1198:                    $Apache::lonratedt::order
 1199: 		       [$#Apache::lonratedt::order+1]=$idx;
 1200: 	       }
 1201: 
 1202: # Store the changed version
 1203: 	       ($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1204: 					   $folder.'.'.$container);
 1205: 	       if ($fatal) {
 1206: 		   $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1207: 		   return;
 1208: 	       }
 1209:            }
 1210:        }
 1211: # ---------------------------------------------------------------- End commands
 1212: # ---------------------------------------------------------------- Print screen
 1213:         my $idx=0;
 1214: 	my $shown=0;
 1215:         $r->print('<table>');
 1216:         foreach (@Apache::lonratedt::order) {
 1217:            my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]);
 1218: 	   $name=&Apache::lonratsrv::qtescape($name);
 1219: 	   $url=&Apache::lonratsrv::qtescape($url);
 1220:            unless ($name) {  $name=(split(/\//,$url))[-1]; }
 1221:            unless ($name) { $idx++; next; }
 1222:            $r->print(&entryline($idx,$name,$url,$folder,$allowed,$_,$coursenum));
 1223:            $idx++;
 1224: 	   $shown++;
 1225:         }
 1226: 	unless ($shown) {
 1227: 	    $r->print('<tr><td>'.&mt('Currently no documents.').'</td></tr>');
 1228: 	}
 1229:         $r->print("\n</table>\n");
 1230: 	if ($env{'form.markedcopy_url'}) {
 1231: 	    $r->print(<<ENDPASTE);
 1232: <p><form name="pasteform" action="/adm/coursedocs" method="post">
 1233: <input type="hidden" name="markedcopy_url" value="$env{'form.markedcopy_url'}" />
 1234: <input type="hidden" name="markedcopy_title" value="$env{'form.markedcopy_title'}" />
 1235: ENDPASTE
 1236:             $r->print(
 1237: 	   '<input type="submit" name="pastemarked" value="'.&mt('Paste').
 1238: 		      '" /> '.&Apache::loncommon::filedescription(
 1239: 		(split(/\./,$env{'form.markedcopy_url'}))[-1]).': '.
 1240: 		      $env{'form.markedcopy_title'});
 1241:             if ($container eq 'page') {
 1242: 		$r->print(<<PAGEINFO);
 1243: <input type="hidden" name="pagepath" value="$env{'form.pagepath'}" />
 1244: <input type="hidden" name="pagesymb" value="$env{'form.pagesymb'}" />
 1245: PAGEINFO
 1246:             } else {
 1247: 		$r->print(<<FOLDERINFO);
 1248: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 1249: FOLDERINFO
 1250: 	    }
 1251: 	    $r->print('</form></p>');
 1252: 	}
 1253:     }
 1254: }
 1255: 
 1256: sub process_file_upload {
 1257:     my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd) = @_;
 1258: # upload a file, if present
 1259:     my $parseaction;
 1260:    if ($env{'form.parserflag'}) {
 1261:         $parseaction = 'parse';
 1262:     }
 1263:     my $phase_status;
 1264:     my $folder=$env{'form.folder'};
 1265:     if ($folder eq '') {
 1266:         $folder='default';
 1267:     }
 1268:     if ( ($folder=~/^$uploadcmd/) || ($uploadcmd eq 'default') ) {
 1269:         my $errtext='';
 1270:         my $fatal=0;
 1271:         my $container='sequence';
 1272:         if ($env{'form.pagepath'}) {
 1273:             $container='page';
 1274:         }
 1275:         ($errtext,$fatal)=
 1276:               &mapread($coursenum,$coursedom,$folder.'.'.$container);
 1277:         if ($#Apache::lonratedt::order<1) {
 1278:             $Apache::lonratedt::order[0]=1;
 1279:             $Apache::lonratedt::resources[1]='';
 1280:         }
 1281:         if ($fatal) {
 1282:             return 'failed';
 1283:         }
 1284:         my $destination = 'docs/';
 1285:         if ($folder =~ /^supplemental/) {
 1286:             $destination = 'supplemental/';
 1287:         }
 1288:         if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1289:             $destination .= 'default/';
 1290:         } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1291:             $destination .=  $2.'/';
 1292:         }
 1293: # this is for a course, not a user, so set coursedoc flag
 1294: # probably the only place in the system where this should be "1"
 1295:         my $newidx=&Apache::lonratedt::getresidx();
 1296:         $destination .= $newidx;
 1297:         my $url=&Apache::lonnet::userfileupload('uploaddoc',1,$destination,
 1298: 						$parseaction,$allfiles,
 1299: 						$codebase);
 1300:         my $ext='false';
 1301:         if ($url=~/^http\:\/\//) { $ext='true'; }
 1302:         $url=~s/\:/\&colon;/g;
 1303:         my $comment=$env{'form.comment'};
 1304:         $comment=~s/\</\&lt\;/g;
 1305:         $comment=~s/\>/\&gt\;/g;
 1306:         $comment=~s/\:/\&colon;/g;
 1307:         if ($folder=~/^supplemental/) {
 1308:               $comment=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1309:                   $env{'user.domain'}.'___&&&___'.$comment;
 1310:         }
 1311: 
 1312:         $Apache::lonratedt::resources[$newidx]=
 1313:                   $comment.':'.$url.':'.$ext.':normal:res';
 1314:         $Apache::lonratedt::order[$#Apache::lonratedt::order+1]= $newidx;
 1315:         ($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1316: 				    $folder.'.'.$container);
 1317:         if ($fatal) {
 1318:             $$upload_output .= '<p><font color="red">'.$errtext.'</font></p>';
 1319:             return 'failed';
 1320:         } else {
 1321:             if ($parseaction eq 'parse') {
 1322:                 my $total_embedded = keys(%{$allfiles});
 1323:                 if ($total_embedded > 0) {
 1324:                     my $num = 0;
 1325:                     $$upload_output .= 'This file contains embedded multimedia objects, which need to be uploaded to LON-CAPA.<br />
 1326:    <form name="upload_embedded" action="/adm/coursedocs"
 1327:                   method="post" enctype="multipart/form-data">
 1328:    <input type="hidden" name="folderpath" value="'.$env{'form.folderpath'}.'" />   <input type="hidden" name="cmd" value="upload_embedded" />
 1329:    <input type="hidden" name="newidx" value="'.$newidx.'" />
 1330:    <input type="hidden" name="primaryurl" value="'.&Apache::lonnet::escape($url).'" />
 1331:    <input type="hidden" name="phasetwo" value="'.$total_embedded.'" />';
 1332:                     $$upload_output .= '<b>Upload embedded files</b>:<br />
 1333:    <table>';
 1334:                     foreach my $embed_file (keys(%{$allfiles})) {
 1335:                         $$upload_output .= '<tr><td>'.$embed_file.
 1336:           '<input name="embedded_item_'.$num.'" type="file" />
 1337:            <input name="embedded_orig_'.$num.'" type="hidden" value="'.&Apache::lonnet::escape($embed_file).'" />';
 1338:                         my $attrib;
 1339:                         if (@{$$allfiles{$embed_file}} > 1) {
 1340:                             $attrib = join(':',@{$$allfiles{$embed_file}});
 1341:                         } else {
 1342:                             $attrib = $$allfiles{$embed_file}[0];
 1343:                         }
 1344:                         $$upload_output .=
 1345:            '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.$attrib.'" />';
 1346:                         if (exists($$codebase{$embed_file})) {
 1347:                             $$upload_output .= 
 1348:           '<input name="codebase_'.$num.'" type="hidden" value="'.&Apache::lonnet::escape($$codebase{$embed_file}).'" />';
 1349:                         }
 1350:                         $$upload_output .= '</td></tr>';
 1351:                         $num ++;
 1352:                     }
 1353:                     $phase_status = 'phasetwo';
 1354:                     $$upload_output .= '</table><br />
 1355:    <input type ="submit" value="Complete upload" />
 1356:    </form>';
 1357:                 } else {
 1358:                     $$upload_output .= 'No embedded items identified<br />';
 1359:                 }
 1360:             }
 1361:         }
 1362:     }
 1363:     return $phase_status;
 1364: }
 1365: 
 1366: sub process_secondary_uploads {
 1367:     my ($upload_output,$coursedom,$coursenum,$formname,$num,$newidx) = @_;
 1368:     my $folder=$env{'form.folder'};
 1369:     my $destination = 'docs/';
 1370:     if ($folder =~ /^supplemental/) {
 1371:         $destination = 'supplemental/';
 1372:     }
 1373:     if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1374:         $destination .= 'default/';
 1375:     } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1376:         $destination .=  $2.'/';
 1377:     }
 1378:     $destination .= $newidx;
 1379:     my ($url,$filename);
 1380:     $url=&Apache::lonnet::userfileupload($formname.$num,1,$destination);
 1381:     ($filename) = ($url =~ m-^/uploaded/$coursedom/$coursenum/$destination/(.+)$-);
 1382:     return $filename;
 1383: }
 1384: 
 1385: # --------------------------------------------------------------- An entry line
 1386: 
 1387: sub entryline {
 1388:     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum)=@_;
 1389:     $title=~s/\&colon\;/\:/g;
 1390:     $title=&HTML::Entities::encode(&HTML::Entities::decode(
 1391:      &Apache::lonnet::unescape($title)),'"<>&\'');
 1392:     my $renametitle=$title;
 1393:     my $foldertitle=$title;
 1394:     my $pagetitle=$title;
 1395:     my $orderidx=$Apache::lonratedt::order[$index];
 1396:     if ($title=~ /^(\d+)___&amp;&amp;&amp;___(\w+)___&amp;&amp;&amp;___(\w+)___&amp;&amp;&amp;___(.*)$/	) { 
 1397: 	$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
 1398: 	$renametitle=$4;
 1399: 	$title='<i>'.&Apache::lonlocal::locallocaltime($1).'</i> '.
 1400: 	    &Apache::loncommon::plainname($2,$3).': <br />'.
 1401: 	    $foldertitle;
 1402:     }
 1403:     $renametitle=~s/\\/\\\\/g;
 1404:     $renametitle=~s/\&quot\;/\\\"/g;
 1405:     my $line='<tr>';
 1406: # Edit commands
 1407:     my $container;
 1408:     my $folderpath;
 1409:     if ($env{'form.folderpath'}) {
 1410:         $container = 'sequence';
 1411: 	$folderpath=&Apache::lonnet::escape($env{'form.folderpath'});
 1412: 	# $htmlfoldername=&HTML::Entities::encode($env{'form.foldername'},'<>&"');
 1413:     }
 1414:     my ($pagepath,$pagesymb);
 1415:     if ($env{'form.pagepath'}) {
 1416:         $container = 'page';
 1417:         $pagepath=&Apache::lonnet::escape($env{'form.pagepath'});
 1418:         $pagesymb=&Apache::lonnet::escape($env{'form.pagesymb'});
 1419:     }
 1420:     my $cpinfo='';
 1421:     if ($env{'form.markedcopy_url'}) {
 1422:        $cpinfo='&markedcopy_url='.
 1423:                &Apache::lonnet::escape($env{'form.markedcopy_url'}).
 1424:                '&markedcopy_title='.
 1425:                &Apache::lonnet::escape($env{'form.markedcopy_title'});
 1426:     }
 1427:     if ($allowed) {
 1428: 	my $incindex=$index+1;
 1429: 	my $selectbox='';
 1430: 	if (($folder!~/^supplemental/) &&
 1431: 	    ($#Apache::lonratedt::order>0) && 
 1432: 	    ((split(/\:/,
 1433: 	     $Apache::lonratedt::resources[$Apache::lonratedt::order[0]]))[1] 
 1434: 	     ne '') && 
 1435: 	    ((split(/\:/,
 1436: 	     $Apache::lonratedt::resources[$Apache::lonratedt::order[1]]))[1] 
 1437: 	     ne '')) {
 1438: 	    $selectbox=
 1439: 		'<input type="hidden" name="currentpos" value="'.$incindex.'" />'.
 1440: 		'<select name="newpos" onChange="this.form.submit()">';
 1441: 	    for (my $i=1;$i<=$#Apache::lonratedt::order+1;$i++) {
 1442: 		if ($i==$incindex) {
 1443: 		    $selectbox.='<option value="" selected="1">('.$i.')</option>';
 1444: 		} else {
 1445: 		    $selectbox.='<option value="'.$i.'">'.$i.'</option>';
 1446: 		}
 1447: 	    }
 1448: 	    $selectbox.='</select>';
 1449: 	}
 1450: 	my %lt=&Apache::lonlocal::texthash(
 1451:                 'up' => 'Move Up',
 1452: 		'dw' => 'Move Down',
 1453: 		'rm' => 'Remove',
 1454:                 'ct' => 'Cut',
 1455: 		'rn' => 'Rename',
 1456: 		'cp' => 'Copy');
 1457: 	my $nocopy=0;
 1458:         if ($url=~/\.(page|sequence)$/) {
 1459: 	    foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url))) {
 1460: 		my ($title,$url,$ext,$type)=split(/\:/,$_);
 1461: 		if (($url=~/\.(page|sequence)/) && ($type ne 'zombie')) {
 1462: 		    $nocopy=1;
 1463: 		    last;
 1464: 		}
 1465: 	    }
 1466: 	}
 1467:         my $copylink='&nbsp;';
 1468:         if ($env{'form.pagepath'}) {
 1469:            unless ($nocopy) {
 1470:                $copylink=(<<ENDCOPY);
 1471: <a href='javascript:markcopy("$pagepath","$index","$renametitle","page","$pagesymb");'>
 1472: <font size="-2" color="#000099">$lt{'cp'}</font></a></td>
 1473: ENDCOPY
 1474:             }
 1475:             $line.=(<<END);
 1476: <form name="entry_$index" action="/adm/coursedocs" method="post">
 1477: <input type="hidden" name="pagepath" value="$env{'form.pagepath'}" />
 1478: <input type="hidden" name="pagesymb" value="$env{'form.pagesymb'}" />
 1479: <input type="hidden" name="markedcopy_url" value="$env{'form.markedcopy_url'}" />
 1480: <input type="hidden" name="markedcopy_title" value="$env{'form.markedcopy_title'}" />
 1481: <input type="hidden" name="setparms" value="$orderidx" />
 1482: <td><table border='0' cellspacing='2' cellpadding='0'>
 1483: <tr><td bgcolor="#DDDDDD">
 1484: <a href='/adm/coursedocs?cmd=up_$index&pagepath=$pagepath&pagesymb=$pagesymb$cpinfo'>
 1485: <img src="${iconpath}move_up.gif" alt='$lt{'up'}' border='0' /></a></td></tr>
 1486: <tr><td bgcolor="#DDDDDD">
 1487: <a href='/adm/coursedocs?cmd=down_$index&pagepath=$pagepath&pagesymb=$pagesymb$cpinfo'>
 1488: <img src="${iconpath}move_down.gif" alt='$lt{'dw'}' border='0' /></a></td></tr>
 1489: </table></td>
 1490: <td>$selectbox
 1491: </td><td bgcolor="#DDDDDD">
 1492: <a href='javascript:removeres("$pagepath","$index","$renametitle","page","$pagesymb");'>
 1493: <font size="-2" color="#990000">$lt{'rm'}</font></a>
 1494: <a href='javascript:cutres("$pagepath","$index","$renametitle","page","$pagesymb");'>
 1495: <font size="-2" color="#550044">$lt{'ct'}</font></a>
 1496: <a href='javascript:changename("$pagepath","$index","$renametitle","page","$pagesymb");'>
 1497: <font size="-2" color="#009900">$lt{'rn'}</font></a>
 1498: $copylink
 1499: END
 1500:         } else {
 1501:            unless ($nocopy) {
 1502:                $copylink=(<<ENDCOPY);
 1503: <a href='javascript:markcopy("$folderpath","$index","$renametitle","sequence");'>
 1504: <font size="-2" color="#000099">$lt{'cp'}</font></a></td>
 1505: ENDCOPY
 1506:             }
 1507:             $line.=(<<END); 
 1508: <form name="entry_$index" action="/adm/coursedocs" method="post">
 1509: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 1510: <input type="hidden" name="markedcopy_url" value="$env{'form.markedcopy_url'}" />
 1511: <input type="hidden" name="markedcopy_title" value="$env{'form.markedcopy_title'}" />
 1512: <input type="hidden" name="setparms" value="$orderidx" />
 1513: <td><table border='0' cellspacing='2' cellpadding='0'>
 1514: <tr><td bgcolor="#DDDDDD">
 1515: <a href='/adm/coursedocs?cmd=up_$index&folderpath=$folderpath$cpinfo'>
 1516: <img src="${iconpath}move_up.gif" alt='$lt{'up'}' border='0' /></a></td></tr>
 1517: <tr><td bgcolor="#DDDDDD">
 1518: <a href='/adm/coursedocs?cmd=down_$index&folderpath=$folderpath$cpinfo'>
 1519: <img src="${iconpath}move_down.gif" alt='$lt{'dw'}' border='0' /></a></td></tr>
 1520: </table></td>
 1521: <td>$selectbox
 1522: </td><td bgcolor="#DDDDDD">
 1523: <a href='javascript:removeres("$folderpath","$index","$renametitle","sequence");'>
 1524: <font size="-2" color="#990000">$lt{'rm'}</font></a>
 1525: <a href='javascript:cutres("$folderpath","$index","$renametitle","sequence");'>
 1526: <font size="-2" color="#550044">$lt{'ct'}</font></a>
 1527: <a href='javascript:changename("$folderpath","$index","$renametitle","sequence");'>
 1528: <font size="-2" color="#009900">$lt{'rn'}</font></a>
 1529: $copylink
 1530: END
 1531:         }
 1532:     }
 1533: # Figure out what kind of a resource this is
 1534:     my ($extension)=($url=~/\.(\w+)$/);
 1535:     my $uploaded=($url=~/^\/*uploaded\//);
 1536:     my $icon=&Apache::loncommon::icon($url);
 1537:     my $isfolder=0;
 1538:     my $ispage=0;
 1539:     my $folderarg;
 1540:     my $pagearg;
 1541:     my $pagefile;
 1542:     if ($uploaded) {
 1543: 	if ($extension eq 'sequence') {
 1544: 	    $icon=$iconpath.'/folder_closed.gif';
 1545: 	    $url=~/$coursenum\/([\/\w]+)\.sequence$/;
 1546: 	    $url='/adm/coursedocs?';
 1547: 	    $folderarg=$1;
 1548: 	    $isfolder=1;
 1549:         } elsif ($extension eq 'page') {
 1550:             $icon=$iconpath.'/page.gif';
 1551:             $url=~/$coursenum\/([\/\w]+)\.page$/;
 1552:             $pagearg=$1;
 1553:             $url='/adm/coursedocs?';
 1554:             $ispage=1;
 1555: 	} else {
 1556: 	    &Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
 1557: 	}
 1558:     }
 1559:     $url=~s-^http(\&colon\;|:)//-/adm/wrapper/ext/-;
 1560:     if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) {
 1561: 	my $symb=&Apache::lonnet::symbclean(
 1562:           &Apache::lonnet::declutter('uploaded/'.
 1563:            $env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1564:            $env{'course.'.$env{'request.course.id'}.'.num'}.'/'.$folder.
 1565:            '.sequence').
 1566:            '___'.$residx.'___'.
 1567: 	   &Apache::lonnet::declutter($url));
 1568: 	(undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
 1569: 	$url=&Apache::lonnet::clutter($url);
 1570: 	if ($url=~/^\/*uploaded\//) {
 1571: 	    $url=~/\.(\w+)$/;
 1572: 	    my $embstyle=&Apache::loncommon::fileembstyle($1);
 1573: 	    if (($embstyle eq 'img') || ($embstyle eq 'emb')) {
 1574: 		$url='/adm/wrapper'.$url;
 1575: 	    } elsif ($embstyle eq 'ssi') {
 1576: 		#do nothing with these
 1577: 	    } elsif ($url!~/\.(sequence|page)$/) {
 1578: 		$url='/adm/coursedocs/showdoc'.$url;
 1579: 	    }
 1580: 	} elsif ($url=~m|^/ext/|) { 
 1581: 	    $url='/adm/wrapper'.$url;
 1582: 	}
 1583: 	$url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb);
 1584: 	if ($container eq 'page') {
 1585: 	    my $symb=$env{'form.pagesymb'};
 1586: 	    	    
 1587: 	    $url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
 1588: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb);
 1589: 	}
 1590:     }
 1591:     my $parameterset='&nbsp;';
 1592:     if ($isfolder || $extension eq 'sequence') {
 1593: 	my $foldername=&Apache::lonnet::escape($foldertitle);
 1594: 	my $folderpath=$env{'form.folderpath'};
 1595: 	if ($folderpath) { $folderpath.='&' };
 1596: 	$folderpath.=$folderarg.'&'.$foldername;
 1597: 	$url.='folderpath='.&Apache::lonnet::escape($folderpath).$cpinfo;
 1598: 	$parameterset='<label>'.&mt('Randomly Pick: ').
 1599: 	    '<input type="text" size="4" onChange="this.form.submit()" name="randpick_'.$orderidx.'" value="'.
 1600: 	    (&Apache::lonratedt::getparameter($orderidx,
 1601:                                               'parameter_randompick'))[0].
 1602:                                               '" />'.
 1603: '<font size="-2"><a href="javascript:void(0)">'.&mt('Store').'</a></font></label>';
 1604:        
 1605:     }
 1606:     if ($ispage) {
 1607:         my $pagename=&Apache::lonnet::escape($pagetitle);
 1608:         my $pagepath;
 1609:         my $folderpath=$env{'form.folderpath'};
 1610:         if ($folderpath) { $pagepath = $folderpath.'&' };
 1611:         $pagepath.=$pagearg.'&'.$pagename;
 1612: 	my $symb=$env{'form.pagesymb'};
 1613: 	if (!$symb) {
 1614: 	    my $path='uploaded/'.
 1615: 		$env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1616: 		$env{'course.'.$env{'request.course.id'}.'.num'}.'/';
 1617: 	    $symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
 1618: 					       $residx,
 1619: 					       $path.$pagearg.'.page');
 1620: 	}
 1621: 	$url.='pagepath='.&Apache::lonnet::escape($pagepath).
 1622: 	    '&pagesymb='.&Apache::lonnet::escape($symb).$cpinfo;
 1623:     }
 1624:     $line.='<td bgcolor="#FFFFBB"><a href="'.$url.'"><img src="'.$icon.
 1625: 	'" border="0"></a></td>'.
 1626:         "<td bgcolor='#FFFFBB'><a href=\"$url\">$title</a></td>";
 1627:     if (($allowed) && ($folder!~/^supplemental/)) {
 1628:  	my %lt=&Apache::lonlocal::texthash(
 1629:  			      'hd' => 'Hidden',
 1630:  			      'ec' => 'URL hidden');
 1631: 	my $enctext=
 1632: 	    ((&Apache::lonratedt::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':'');
 1633: 	my $hidtext=
 1634: 	    ((&Apache::lonratedt::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="1"':'');
 1635: 	$line.=(<<ENDPARMS);
 1636: <td bgcolor="#BBBBFF"><font size='-2'>
 1637: <nobr><label><input type="checkbox" name="hidprs_$orderidx" onClick="this.form.submit()" $hidtext /> $lt{'hd'}</label></nobr></td>
 1638: <td bgcolor="#BBBBFF"><font size='-2'>
 1639: <nobr><label><input type="checkbox" name="encprs_$orderidx" onClick="this.form.submit()" $enctext /> $lt{'ec'}</label></nobr></td>
 1640: <td bgcolor="#BBBBFF"><font size="-2">$parameterset</font></td>
 1641: ENDPARMS
 1642:     }
 1643:     $line.="</form></tr>";
 1644:     return $line;
 1645: }
 1646: 
 1647: # ---------------------------------------------------------------- tie the hash
 1648: 
 1649: sub tiehash {
 1650:     my ($mode)=@_;
 1651:     $hashtied=0;
 1652:     if ($env{'request.course.fn'}) {
 1653: 	if ($mode eq 'write') {
 1654: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 1655: 		    &GDBM_WRCREAT(),0640)) {
 1656:                 $hashtied=2;
 1657: 	    }
 1658: 	} else {
 1659: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 1660: 		    &GDBM_READER(),0640)) {
 1661:                 $hashtied=1;
 1662: 	    }
 1663: 	}
 1664:     }    
 1665: }
 1666: 
 1667: sub untiehash {
 1668:     if ($hashtied) { untie %hash; }
 1669:     $hashtied=0;
 1670:     return OK;
 1671: }
 1672: 
 1673: # --------------------------------------------------------------- check on this
 1674: 
 1675: sub checkonthis {
 1676:     my ($r,$url,$level,$title)=@_;
 1677:     $url=&Apache::lonnet::unescape($url);
 1678:     $alreadyseen{$url}=1;
 1679:     $r->rflush();
 1680:     if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
 1681:        $r->print("\n<br />");
 1682:        for (my $i=0;$i<=$level*5;$i++) {
 1683:            $r->print('&nbsp;');
 1684:        }
 1685:        $r->print('<a href="'.$url.'" target="cat">'.
 1686: 		 ($title?$title:$url).'</a> ');
 1687:        if ($url=~/^\/res\//) {
 1688: 	  my $result=&Apache::lonnet::repcopy(
 1689:                               &Apache::lonnet::filelocation('',$url));
 1690:           if ($result eq 'ok') {
 1691:              $r->print('<font color="green">'.&mt('ok').'</font>');
 1692:              $r->rflush();
 1693:              &Apache::lonnet::countacc($url);
 1694:              $url=~/\.(\w+)$/;
 1695:              if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
 1696: 		 $r->print('<br />');
 1697:                  $r->rflush();
 1698:                  for (my $i=0;$i<=$level*5;$i++) {
 1699:                      $r->print('&nbsp;');
 1700:                  }
 1701:                  $r->print('- '.&mt('Rendering').': ');
 1702: 		 my ($errorcount,$warningcount)=split(/:/,
 1703: 	       &Apache::lonnet::ssi_body($url,
 1704: 			       ('grade_target'=>'web',
 1705: 				'return_only_error_and_warning_counts' => 1)));
 1706:                  if (($errorcount) ||
 1707:                      ($warningcount)) {
 1708: 		     if ($errorcount) {
 1709:                         $r->print('<img src="/adm/lonMisc/bomb.gif" /><font color="red"><b>'.
 1710: 			  $errorcount.' '.
 1711: 				  &mt('error(s)').'</b></font> ');
 1712:                      }
 1713: 		     if ($warningcount) {
 1714:                         $r->print('<font color="blue">'.
 1715: 			  $warningcount.' '.
 1716: 				  &mt('warning(s)').'</font>');
 1717:                      }
 1718:                  } else {
 1719:                      $r->print('<font color="green">'.&mt('ok').'</font>');
 1720:                  }
 1721:                  $r->rflush();
 1722:              }
 1723: 	     my $dependencies=
 1724:                 &Apache::lonnet::metadata($url,'dependencies');
 1725:              foreach (split(/\,/,$dependencies)) {
 1726: 		 if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {
 1727:                     &checkonthis($r,$_,$level+1);
 1728:                  }
 1729:              }
 1730:           } elsif ($result eq 'unavailable') {
 1731:              $r->print('<font color="red"><b>'.&mt('connection down').'</b></font>');
 1732:           } elsif ($result eq 'not_found') {
 1733: 	      unless ($url=~/\$/) {
 1734: 		  $r->print('<font color="red"><b>'.&mt('not found').'</b></font>');
 1735: 	      } else {
 1736: 		  $r->print('<font color="yellow"><b>'.&mt('unable to verify variable URL').'</b></font>');
 1737: 	      }
 1738:           } else {
 1739:              $r->print('<font color="red"><b>'.&mt('access denied').'</b></font>');
 1740:           }
 1741:       }
 1742:    }
 1743: }
 1744: 
 1745: 
 1746: #
 1747: # ----------------------------------------------------------------- List Symbs
 1748: # 
 1749: sub list_symbs {
 1750:    my $r=shift; 
 1751:    my $html=&Apache::lonxml::xmlbegin();
 1752:    $r->print($html.'<head><title>Symb List</title></head>'.
 1753:               &Apache::loncommon::bodytag('Symb List'));
 1754:    my $navmap = Apache::lonnavmaps::navmap->new();
 1755:    $r->print("<pre>\n");
 1756:    foreach my $res ($navmap->retrieveResources()) {
 1757:        $r->print($res->compTitle()."\t".$res->symb()."\n");
 1758:    }
 1759:    $r->print("\n</pre>\n");
 1760:    $r->print('<a href="/adm/coursedocs">'.&mt('Return to DOCS').'</a>');
 1761: }
 1762: 
 1763: 
 1764: #
 1765: # -------------------------------------------------------------- Verify Content
 1766: # 
 1767: sub verifycontent {
 1768:    my $r=shift; 
 1769:    my $loaderror=&Apache::lonnet::overloaderror($r);
 1770:    if ($loaderror) { return $loaderror; }
 1771:    my $html=&Apache::lonxml::xmlbegin();
 1772:    $r->print($html.'<head><title>Verify Content</title></head>'.
 1773:               &Apache::loncommon::bodytag('Verify Course Documents'));
 1774:    $hashtied=0;
 1775:    undef %alreadyseen;
 1776:    %alreadyseen=();
 1777:    &tiehash();
 1778:    foreach (keys %hash) {
 1779:        if ($hash{$_}=~/\.(page|sequence)$/) {
 1780: 	   if (($_=~/^src_/) && ($alreadyseen{&Apache::lonnet::unescape($hash{$_})})) {
 1781: 	       $r->print('<hr /><font color="red">'.
 1782: 			 &mt('The following sequence or page is included more than once in your course: ').
 1783: 			 &Apache::lonnet::unescape($hash{$_}).'</font><br />'.
 1784: 			 &mt('Note that grading records for problems included in this sequence or folder will overlap.<hr />'));
 1785: 	   }
 1786:        }
 1787:        if (($_=~/^src\_(.+)$/) && (!$alreadyseen{&Apache::lonnet::unescape($hash{$_})})) {
 1788:            &checkonthis($r,$hash{$_},0,$hash{'title_'.$1});
 1789:        }
 1790:    }
 1791:    &untiehash();
 1792:    $r->print('<h1>'.&mt('Done').'.</h1>'.'<a href="/adm/coursedocs">'.
 1793: 	     &mt('Return to DOCS').'</a>');
 1794: }
 1795: 
 1796: 
 1797: # -------------------------------------------------------------- Check Versions
 1798: 
 1799: sub devalidateversioncache {
 1800:     my $src=shift;
 1801:     &Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
 1802: 					  &Apache::lonnet::clutter($src));
 1803: }
 1804: 
 1805: sub checkversions {
 1806:     my $r=shift;
 1807:     my $html=&Apache::lonxml::xmlbegin();
 1808:     $r->print($html.'<head><title>Check Versions</title></head>'.
 1809:               &Apache::loncommon::bodytag('Check Course Document Versions'));
 1810:     my $header='';
 1811:     my $startsel='';
 1812:     my $monthsel='';
 1813:     my $weeksel='';
 1814:     my $daysel='';
 1815:     my $allsel='';
 1816:     my %changes=();
 1817:     my $starttime=0;
 1818:     my $haschanged=0;
 1819:     my %setversions=&Apache::lonnet::dump('resourceversions',
 1820: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 1821: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 1822: 
 1823:     $hashtied=0;
 1824:     &tiehash();
 1825:     my %newsetversions=();
 1826:     if ($env{'form.setmostrecent'}) {
 1827: 	$haschanged=1;
 1828: 	foreach (keys %hash) {
 1829: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 1830: 		$newsetversions{$1}='mostrecent';
 1831:                 &devalidateversioncache($1);
 1832: 	    }
 1833: 	}
 1834:     } elsif ($env{'form.setcurrent'}) {
 1835: 	$haschanged=1;
 1836: 	foreach (keys %hash) {
 1837: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 1838: 		my $getvers=&Apache::lonnet::getversion($1);
 1839: 		if ($getvers>0) {
 1840: 		    $newsetversions{$1}=$getvers;
 1841: 		    &devalidateversioncache($1);
 1842: 		}
 1843: 	    }
 1844: 	}
 1845:     } elsif ($env{'form.setversions'}) {
 1846: 	$haschanged=1;
 1847: 	foreach (keys %env) {
 1848: 	    if ($_=~/^form\.set_version_(.+)$/) {
 1849: 		my $src=$1;
 1850: 		if (($env{$_}) && ($env{$_} ne $setversions{$src})) {
 1851: 		    $newsetversions{$src}=$env{$_};
 1852: 		    &devalidateversioncache($src);
 1853: 		}
 1854: 	    }
 1855: 	}
 1856:     }
 1857:     if ($haschanged) {
 1858:         if (&Apache::lonnet::put('resourceversions',\%newsetversions,
 1859: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 1860: 			  $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {		
 1861: 	    $r->print('<h1>'.&mt('Your Version Settings have been Stored').'</h1>');
 1862: 	} else {
 1863: 	    $r->print('<h1><font color="red">'.&mt('An Error Occured while Attempting to Store your Version Settings').'</font></h1>');
 1864: 	}
 1865: 	&mark_hash_old();
 1866:     }
 1867:     &changewarning($r,'');
 1868:     if ($env{'form.timerange'} eq 'all') {
 1869: # show all documents
 1870: 	$header=&mt('All Documents in Course');
 1871: 	$allsel=1;
 1872: 	foreach (keys %hash) {
 1873: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 1874: 		my $src=$1;
 1875: 		$changes{$src}=1;
 1876: 	    }
 1877: 	}
 1878:     } else {
 1879: # show documents which changed
 1880: 	%changes=&Apache::lonnet::dump
 1881: 	 ('versionupdate',$env{'course.'.$env{'request.course.id'}.'.domain'},
 1882:                      $env{'course.'.$env{'request.course.id'}.'.num'});
 1883: 	my $firstkey=(keys %changes)[0];
 1884: 	unless ($firstkey=~/^error\:/) {
 1885: 	    unless ($env{'form.timerange'}) {
 1886: 		$env{'form.timerange'}=604800;
 1887: 	    }
 1888: 	    my $seltext=&mt('during the last').' '.$env{'form.timerange'}.' '
 1889: 		.&mt('seconds');
 1890: 	    if ($env{'form.timerange'}==-1) {
 1891: 		$seltext='since start of course';
 1892: 		$startsel='selected';
 1893: 		$env{'form.timerange'}=time;
 1894: 	    }
 1895: 	    $starttime=time-$env{'form.timerange'};
 1896: 	    if ($env{'form.timerange'}==2592000) {
 1897: 		$seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 1898: 		$monthsel='selected';
 1899: 	    } elsif ($env{'form.timerange'}==604800) {
 1900: 		$seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 1901: 		$weeksel='selected';
 1902: 	    } elsif ($env{'form.timerange'}==86400) {
 1903: 		$seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 1904: 		$daysel='selected';
 1905: 	    }
 1906: 	    $header=&mt('Content changed').' '.$seltext;
 1907: 	} else {
 1908: 	    $header=&mt('No content modifications yet.');
 1909: 	}
 1910:     }
 1911:     %setversions=&Apache::lonnet::dump('resourceversions',
 1912: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 1913: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 1914:     my %lt=&Apache::lonlocal::texthash
 1915: 	      ('st' => 'Version changes since start of Course',
 1916: 	       'lm' => 'Version changes since last Month',
 1917: 	       'lw' => 'Version changes since last Week',
 1918: 	       'sy' => 'Version changes since Yesterday',
 1919:                'al' => 'All Resources (possibly large output)',
 1920: 	       'sd' => 'Display',
 1921: 	       'fi' => 'File',
 1922: 	       'md' => 'Modification Date',
 1923:                'mr' => 'Most recently published Version',
 1924: 	       've' => 'Version used in Course',
 1925:                'vu' => 'Set Version to be used in Course',
 1926: 'sv' => 'Set Versions to be used in Course according to Selections below',
 1927: 'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',
 1928: 'sc' => 'Set all Resource Versions to current Version (Fix Versions)',
 1929: 	       'di' => 'Differences');
 1930:     $r->print(<<ENDHEADERS);
 1931: <form action="/adm/coursedocs" method="post">
 1932: <input type="hidden" name="versions" value="1" />
 1933: <input type="submit" name="setmostrecent" value="$lt{'sm'}" />
 1934: <input type="submit" name="setcurrent" value="$lt{'sc'}" /><hr />
 1935: <select name="timerange">
 1936: <option value='all' $allsel>$lt{'al'}</option>
 1937: <option value="-1" $startsel>$lt{'st'}</option>
 1938: <option value="2592000" $monthsel>$lt{'lm'}</option>
 1939: <option value="604800" $weeksel>$lt{'lw'}</option>
 1940: <option value="86400" $daysel>$lt{'sy'}</option>
 1941: </select>
 1942: <input type="submit" name="display" value="$lt{'sd'}" />
 1943: <h3>$header</h3>
 1944: <input type="submit" name="setversions" value="$lt{'sv'}" />
 1945: <table border="0">
 1946: ENDHEADERS
 1947:     foreach (sort keys %changes) {
 1948: 	if ($changes{$_}>$starttime) {
 1949: 	    my ($root,$extension)=($_=~/^(.*)\.(\w+)$/);
 1950: 	    my $currentversion=&Apache::lonnet::getversion($_);
 1951: 	    if ($currentversion<0) {
 1952: 		$currentversion=&mt('Could not be determined.');
 1953: 	    }
 1954: 	    my $linkurl=&Apache::lonnet::clutter($_);
 1955: 	    $r->print(
 1956: 		      '<tr><td colspan="5"><br /><br /><font size="+1"><b>'.
 1957: 		      &Apache::lonnet::gettitle($linkurl).
 1958:                       '</b></font></td></tr>'.
 1959:                       '<tr><td>&nbsp;&nbsp;&nbsp;</td>'.
 1960:                       '<td colspan="4">'.
 1961:                       '<a href="'.$linkurl.'" target="cat">'.$linkurl.
 1962: 		      '</a></td></tr>'.
 1963:                       '<tr><td></td>'.
 1964:                       '<td title="'.$lt{'md'}.'">'.
 1965: 		      &Apache::lonlocal::locallocaltime(
 1966:                            &Apache::lonnet::metadata($root.'.'.$extension,
 1967:                                                      'lastrevisiondate')
 1968:                                                         ).
 1969:                       '</td>'.
 1970:                       '<td title="'.$lt{'mr'}.'"><nobr>Most Recent: '.
 1971:                       '<font size="+1">'.$currentversion.'</font>'.
 1972:                       '</nobr></td>'.
 1973:                       '<td title="'.$lt{'ve'}.'"><nobr>In Course: '.
 1974:                       '<font size="+1">');
 1975: # Used in course
 1976: 	    my $usedversion=$hash{'version_'.$linkurl};
 1977: 	    if (($usedversion) && ($usedversion ne 'mostrecent')) {
 1978: 		$r->print($usedversion);
 1979: 	    } else {
 1980: 		$r->print($currentversion);
 1981: 	    }
 1982: 	    $r->print('</font></nobr></td><td title="'.$lt{'vu'}.'">'.
 1983:                       '<nobr>Use: ');
 1984: # Set version
 1985: 	    $r->print(&Apache::loncommon::select_form($setversions{$linkurl},
 1986: 						      'set_version_'.$linkurl,
 1987: 						      ('select_form_order' =>
 1988: 						       ['',1..$currentversion,'mostrecent'],
 1989: 						       '' => '',
 1990: 						       'mostrecent' => 'most recent',
 1991: 						       map {$_,$_} (1..$currentversion))));
 1992: 	    $r->print('</nobr></td></tr><tr><td></td>');
 1993: 	    my $lastold=1;
 1994: 	    for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
 1995: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 1996: 		if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
 1997: 		    $starttime) {
 1998: 		    $lastold=$prevvers;
 1999: 		}
 2000: 	    }
 2001:             # 
 2002:             # Code to figure out how many version entries should go in
 2003:             # each of the four columns
 2004:             my $entries_per_col = 0;
 2005:             my $num_entries = ($currentversion-$lastold);
 2006:             if ($num_entries % 4 == 0) {
 2007:                 $entries_per_col = $num_entries/4;
 2008:             } else {
 2009:                 $entries_per_col = $num_entries/4 + 1;
 2010:             }
 2011:             my $entries_count = 0;
 2012:             $r->print('<td valign="top"><font size="-2">'); 
 2013:             my $cols_output = 1;
 2014:             for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
 2015: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2016: 		$r->print('<nobr><a href="'.&Apache::lonnet::clutter($url).
 2017: 			  '">'.&mt('Version').' '.$prevvers.'</a> ('.
 2018: 			  &Apache::lonlocal::locallocaltime(
 2019:                                 &Apache::lonnet::metadata($url,
 2020:                                                           'lastrevisiondate')
 2021:                                                             ).
 2022: 			  ')');
 2023: 		if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
 2024:                     $r->print(' <a href="/adm/diff?filename='.
 2025: 			      &Apache::lonnet::clutter($root.'.'.$extension).
 2026: 			      '&versionone='.$prevvers.
 2027: 			      '">'.&mt('Diffs').'</a>');
 2028: 		}
 2029: 		$r->print('</nobr><br />');
 2030:                 if (++$entries_count % $entries_per_col == 0) {
 2031:                     $r->print('</font></td>');
 2032:                     if ($cols_output != 4) {
 2033:                         $r->print('<td valign="top"><font size="-2">');
 2034:                         $cols_output++;
 2035:                     }
 2036:                 }
 2037: 	    }
 2038:             while($cols_output++ < 4) {
 2039:                 $r->print('</font></td><td><font>')
 2040:             }
 2041: 	    $r->print('</font></td></tr>'."\n");
 2042: 	}
 2043:     }
 2044:     $r->print('</table></form>');
 2045:     $r->print('<h1>'.&mt('Done').'.</h1>');
 2046: 
 2047:     &untiehash();
 2048: }
 2049: 
 2050: sub mark_hash_old {
 2051:     my $retie_hash=0;
 2052:     if ($hashtied) {
 2053: 	$retie_hash=1;
 2054: 	&untiehash();
 2055:     }
 2056:     &tiehash('write');
 2057:     $hash{'old'}=1;
 2058:     &untiehash();
 2059:     if ($retie_hash) { &tiehash(); }
 2060: }
 2061: 
 2062: sub is_hash_old {
 2063:     my $untie_hash=0;
 2064:     if (!$hashtied) {
 2065: 	$untie_hash=1;
 2066: 	&tiehash();
 2067:     }
 2068:     my $return=$hash{'old'};
 2069:     if ($untie_hash) { &untiehash(); }
 2070:     return $return;
 2071: }
 2072: 
 2073: sub changewarning {
 2074:     my ($r,$postexec,$message,$url)=@_;
 2075:     if (!&is_hash_old()) { return; }
 2076:     my $pathvar='folderpath';
 2077:     my $path=&Apache::lonnet::escape($env{'form.folderpath'});
 2078:     if (!defined($url)) {
 2079: 	if (defined($env{'form.pagepath'})) {
 2080: 	    $pathvar='pagepath';
 2081: 	    $path=&Apache::lonnet::escape($env{'form.pagepath'});
 2082: 	    $path.='&amp;pagesymb='.&Apache::lonnet::escape($env{'form.pagesymb'});
 2083: 	}
 2084: 	$url='/adm/coursedocs?'.$pathvar.'='.$path;
 2085:     }
 2086:     if (!defined($message)) {
 2087: 	$message='Changes will become active for your current session after [_1], or the next time you log in.';
 2088:     }
 2089:     $r->print("\n\n".
 2090: '<script>function reinit(tf) { tf.submit();'.$postexec.' }</script>'."\n". 
 2091: '<form name="reinitform" method="post" action="/adm/roles" target="loncapaclient">'.
 2092: '<input type="hidden" name="orgurl" value="'.$url.
 2093: '" /><input type="hidden" name="selectrole" value="1" /><h3><font color="red">'.
 2094: &mt($message,' <input type="hidden" name="'.
 2095:     $env{'request.role'}.'" value="1" /><input type="button" value="'.
 2096:     &mt('re-initializing course').'" onClick="reinit(this.form)" />').
 2097: $help{'Caching'}.'</font></h3></form>'."\n\n");
 2098: }
 2099: 
 2100: # ================================================================ Main Handler
 2101: sub handler {
 2102:     my $r = shift;
 2103:     &Apache::loncommon::content_type($r,'text/html');
 2104:     $r->send_http_header;
 2105:     return OK if $r->header_only;
 2106: 
 2107: # --------------------------------------------- Initialize help topics for this
 2108:     foreach ('Adding_Course_Doc','Main_Course_Documents',
 2109: 	     'Adding_External_Resource','Navigate_Content',
 2110: 	     'Adding_Folders','Docs_Overview', 'Load_Map',
 2111: 	     'Supplemental','Score_Upload_Form','Adding_Pages',
 2112: 	     'Importing_LON-CAPA_Resource','Uploading_From_Harddrive',
 2113: 	     'Check_Resource_Versions','Verify_Content') {
 2114: 	$help{$_}=&Apache::loncommon::help_open_topic('Docs_'.$_);
 2115:     }
 2116:     # Composite help files
 2117:     $help{'Syllabus'} = &Apache::loncommon::help_open_topic(
 2118: 		    'Docs_About_Syllabus,Docs_Editing_Templated_Pages');
 2119:     $help{'Simple Page'} = &Apache::loncommon::help_open_topic(
 2120: 		    'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');
 2121:     $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(
 2122: 		    'Option_Response_Simple');
 2123:     $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(
 2124: 		    'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');
 2125:     $help{'My Personal Info'} = &Apache::loncommon::help_open_topic(
 2126: 		  'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
 2127:     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
 2128: 
 2129: # does this user have privileges to modify docs
 2130:     my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
 2131: 
 2132:   if ($allowed && $env{'form.verify'}) {
 2133:       &verifycontent($r);
 2134:   } elsif ($allowed && $env{'form.listsymbs'}) {
 2135:       &list_symbs($r);
 2136:   } elsif ($allowed && $env{'form.versions'}) {
 2137:       &checkversions($r);
 2138:   } elsif ($allowed && $env{'form.dumpcourse'}) {
 2139:       &dumpcourse($r);
 2140:   } elsif ($allowed && $env{'form.exportcourse'}) {
 2141:       &exportcourse($r);
 2142:   } else {
 2143: # is this a standard course?
 2144: 
 2145:     my $standard=($env{'request.course.uri'}=~/^\/uploaded\//);
 2146:     my $forcestandard = 0;
 2147:     my $forcesupplement;
 2148:     my $script='';
 2149:     my $events='';
 2150:     my $showdoc=0;
 2151:     my $containertag;
 2152:     my $uploadtag;
 2153:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 2154:     ['folderpath','pagepath','pagesymb','markedcopy_url','markedcopy_title']);
 2155:     if ($env{'form.folderpath'}) {
 2156: 	my (@folderpath)=split('&',$env{'form.folderpath'});
 2157: 	$env{'form.foldername'}=&Apache::lonnet::unescape(pop(@folderpath));
 2158: 	$env{'form.folder'}=pop(@folderpath);
 2159:     }
 2160:     if ($env{'form.pagepath'}) {
 2161:         my (@pagepath)=split('&',$env{'form.pagepath'});
 2162:         $env{'form.pagename'}=&Apache::lonnet::unescape(pop(@pagepath));
 2163:         $env{'form.folder'}=pop(@pagepath);
 2164:         $containertag = '<input type="hidden" name="pagepath" value="" />'.
 2165: 	    '<input type="hidden" name="pagesymb" value="" />';
 2166:         $uploadtag = '<input type="hidden" name="pagepath" value="'.$env{'form.pagepath'}.'" />'.
 2167: 	    '<input type="hidden" name="pagesymb" value="'.$env{'form.pagesymb'}.'" />';
 2168:     }
 2169:     if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
 2170:        $showdoc='/'.$1;
 2171:     }
 2172:     unless ($showdoc) { # got called from remote
 2173:        if (($env{'form.folder'}=~/^default_/) || 
 2174:           ($env{'form.folder'} =~ m:^\d+/(pages|sequences)/:)) {
 2175:            $forcestandard = 1;
 2176:        } 
 2177:        $forcesupplement=($env{'form.folder'}=~/^supplemental_/);
 2178: 
 2179:        if ($allowed) { 
 2180:          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
 2181:          $script=&Apache::lonratedt::editscript('simple'); 
 2182:        }
 2183:     } else { # got called in sequence from course
 2184:        $allowed=0;
 2185:        $script='</script>'.&Apache::lonmenu::registerurl(1,undef).'<script>';
 2186:        $events='onLoad="'.&Apache::lonmenu::loadevents.
 2187:            '" onUnload="'.&Apache::lonmenu::unloadevents.'"';
 2188:     }
 2189: 
 2190: # get course data
 2191:     my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
 2192:     my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2193: 
 2194: # get personal data
 2195:  
 2196:     my $uname=$env{'user.name'};
 2197:     my $udom=$env{'user.domain'};
 2198:     my $plainname=&Apache::lonnet::escape(
 2199:                      &Apache::loncommon::plainname($uname,$udom));
 2200: 
 2201: # graphics settings
 2202: 
 2203:     $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
 2204: 
 2205:     my $now=time;
 2206: 
 2207: # print screen
 2208:        my $html=&Apache::lonxml::xmlbegin();
 2209:     $r->print(<<ENDDOCUMENT);
 2210: $html
 2211: <head>
 2212: <title>The LearningOnline Network with CAPA</title>
 2213: <script>
 2214: $script
 2215: </script>
 2216: ENDDOCUMENT
 2217:    if ($allowed) {
 2218:     $r->print(<<ENDNEWSCRIPT);
 2219: <script>
 2220: function makenewfolder(targetform,folderseq) {
 2221:     var foldername=prompt('Name of New Folder','New Folder');
 2222:     if (foldername) {
 2223: 	targetform.importdetail.value=foldername+"="+folderseq;
 2224:         targetform.submit();
 2225:     }
 2226: }
 2227: 
 2228: function makenewpage(targetform,folderseq) {
 2229:     var pagename=prompt('Name of New Page','New Page');
 2230:     if (pagename) {
 2231:         targetform.importdetail.value=pagename+"="+folderseq;
 2232:         targetform.submit();
 2233:     }
 2234: }
 2235: 
 2236: function makenewext(targetname) {
 2237:     this.document.forms.extimport.useform.value=targetname;
 2238:     window.open('/adm/rat/extpickframe.html');
 2239: }
 2240: 
 2241: function makeexamupload() {
 2242:    var title=prompt('Listed Title for the Uploaded Score');
 2243:    if (title) { 
 2244:     this.document.forms.newexamupload.importdetail.value=
 2245: 	title+'=/res/lib/templates/examupload.problem';
 2246:     this.document.forms.newexamupload.submit();
 2247:    }
 2248: }
 2249: 
 2250: function makesmppage() {
 2251:    var title=prompt('Listed Title for the Page');
 2252:    if (title) { 
 2253:     this.document.forms.newsmppg.importdetail.value=
 2254: 	title+'=/adm/$udom/$uname/$now/smppg';
 2255:     this.document.forms.newsmppg.submit();
 2256:    }
 2257: }
 2258: 
 2259: function makesmpproblem() {
 2260:    var title=prompt('Listed Title for the Problem');
 2261:    if (title) { 
 2262:     this.document.forms.newsmpproblem.importdetail.value=
 2263: 	title+'=/res/lib/templates/simpleproblem.problem';
 2264:     this.document.forms.newsmpproblem.submit();
 2265:    }
 2266: }
 2267: 
 2268: function makedropbox() {
 2269:    var title=prompt('Listed Title for the Drop Box');
 2270:    if (title) { 
 2271:     this.document.forms.newdropbox.importdetail.value=
 2272:         title+'=/res/lib/templates/DropBox.problem';
 2273:     this.document.forms.newdropbox.submit();
 2274:    }
 2275: }
 2276: 
 2277: function makebulboard() {
 2278:    var title=prompt('Listed Title for the Bulletin Board');
 2279:    if (title) {
 2280:     this.document.forms.newbul.importdetail.value=
 2281: 	title+'=/adm/$udom/$uname/$now/bulletinboard';
 2282:     this.document.forms.newbul.submit();
 2283:    }
 2284: }
 2285: 
 2286: function makeabout() {
 2287:    var user=prompt("Enter user\@domain for User's 'About Me' Page");
 2288:    if (user) {
 2289:        var comp=new Array();
 2290:        comp=user.split('\@');
 2291:        if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {
 2292: 	   if ((comp[0]) && (comp[1])) {
 2293: 	       this.document.forms.newaboutsomeone.importdetail.value=
 2294: 		   'About '+user+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
 2295: 	       this.document.forms.newaboutsomeone.submit();
 2296: 	   } else {
 2297:                alert("Not a valid user\@domain");
 2298:            }
 2299:        } else {
 2300:            alert("Please enter both user and domain in the format user\@domain"); 
 2301:        }
 2302:    }
 2303: }
 2304: 
 2305: function makeims() {
 2306:     var caller = document.forms.ims.folder.value;
 2307:     var newlocation = "/adm/imsimportdocs?folder="+caller+"&phase=one";
 2308:     newWindow = window.open("","IMSimport","HEIGHT=700,WIDTH=750,scrollbars=yes");
 2309:     newWindow.location.href = newlocation;
 2310: }
 2311: 
 2312: 
 2313: function finishpick() {
 2314:     var title=this.document.forms.extimport.title.value;
 2315:     var url=this.document.forms.extimport.url.value;
 2316:     var form=this.document.forms.extimport.useform.value;
 2317:     eval
 2318:      ('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+
 2319:     '";this.document.forms.'+form+'.submit();');
 2320: }
 2321: 
 2322: function changename(folderpath,index,oldtitle,container,pagesymb) {
 2323:     var title=prompt('New Title',oldtitle);
 2324:     if (title) {
 2325: 	this.document.forms.renameform.title.value=title;
 2326: 	this.document.forms.renameform.cmd.value='rename_'+index;
 2327:         if (container == 'sequence') {
 2328: 	    this.document.forms.renameform.folderpath.value=folderpath;
 2329:         }
 2330:         if (container == 'page') {
 2331:             this.document.forms.renameform.pagepath.value=folderpath;
 2332:             this.document.forms.renameform.pagesymb.value=pagesymb;
 2333:         }
 2334:         this.document.forms.renameform.submit();
 2335:     }
 2336: }
 2337: 
 2338: function removeres(folderpath,index,oldtitle,container,pagesymb) {
 2339:     if (confirm('WARNING: Removing a resource makes associated grades and scores inaccessible!\\nRemove "'+oldtitle+'"?')) {
 2340: 	this.document.forms.renameform.cmd.value='del_'+index;
 2341:         if (container == 'sequence') {
 2342:             this.document.forms.renameform.folderpath.value=folderpath;
 2343:         }
 2344:         if (container == 'page') {
 2345:             this.document.forms.renameform.pagepath.value=folderpath;
 2346:             this.document.forms.renameform.pagesymb.value=pagesymb;
 2347:         }
 2348:         this.document.forms.renameform.submit();
 2349:     }
 2350: }
 2351: 
 2352: function cutres(folderpath,index,oldtitle,container,pagesymb) {
 2353:     if (confirm('WARNING: Cutting a resource makes associated grades and scores inaccessible!\\nGrades remain inaccessible if resource is pasted into another folder.\\nCut "'+oldtitle+'"?')) {
 2354: 	this.document.forms.renameform.cmd.value='cut_'+index;
 2355: 	this.document.forms.renameform.markcopy.value=index;
 2356:         if (container == 'sequence') {
 2357:             this.document.forms.renameform.folderpath.value=folderpath;
 2358:         }
 2359:         if (container == 'page') {
 2360:             this.document.forms.renameform.pagepath.value=folderpath;
 2361:             this.document.forms.renameform.pagesymb.value=pagesymb;
 2362:         }
 2363:         this.document.forms.renameform.submit();
 2364:     }
 2365: }
 2366: 
 2367: function markcopy(folderpath,index,oldtitle,container,pagesymb) {
 2368:     this.document.forms.renameform.markcopy.value=index;
 2369:     if (container == 'sequence') {
 2370: 	this.document.forms.renameform.folderpath.value=folderpath;
 2371:     }
 2372:     if (container == 'page') {
 2373: 	this.document.forms.renameform.pagepath.value=folderpath;
 2374: 	this.document.forms.renameform.pagesymb.value=pagesymb;
 2375:     }
 2376:     this.document.forms.renameform.submit();
 2377: }
 2378: 
 2379: </script>
 2380: 
 2381: ENDNEWSCRIPT
 2382:   }
 2383: # -------------------------------------------------------------------- Body tag
 2384:   $r->print('</head>'.
 2385:             &Apache::loncommon::bodytag('Course Documents','',$events,
 2386: 					'','',$showdoc).
 2387: 	    &Apache::loncommon::help_open_menu('','','','',273,'RAT'));
 2388:   my %allfiles = ();
 2389:   my %codebase = ();
 2390:   my ($upload_result,$upload_output);
 2391:   if ($allowed) {
 2392:       if (($env{'form.uploaddoc.filename'}) &&                                               ($env{'form.cmd'}=~/^upload_(\w+)/)) {
 2393: # Process file upload - phase one - upload and parse primary file.  
 2394:           $upload_result = &process_file_upload(\$upload_output,$coursenum,
 2395: 						$coursedom,\%allfiles,
 2396: 						\%codebase,$1);
 2397:           if ($upload_result eq 'phasetwo') {
 2398:               $r->print($upload_output);
 2399:           }
 2400:       } elsif ($env{'form.phasetwo'}) {
 2401:           my %newname = ();
 2402:           my %origname = ();
 2403:           my %attribs = ();
 2404:           my $updateflag = 0;
 2405:           my $residx = $env{'form.newidx'};
 2406:           my $primary_url = &Apache::lonnet::unescape($env{'form.primaryurl'});
 2407: # Process file upload - phase two - gather secondary files.
 2408:           for (my $i=0; $i<$env{'form.phasetwo'}; $i++) {
 2409:               if ($env{'form.embedded_item_'.$i.'.filename'}) {
 2410:                   my $javacodebase;
 2411:                   $newname{$i} = &process_secondary_uploads(\$upload_output,$coursedom,$coursenum,'embedded_item_',$i,$residx);
 2412:                   $origname{$i} = &Apache::lonnet::unescape($env{'form.embedded_orig_'.$i});
 2413:                   if (exists($env{'form.embedded_codebase_'.$i})) {
 2414:                       $javacodebase =  &Apache::lonnet::unescape($env{'form.embedded_codebase_'.$i});  
 2415:                       $origname{$i} =~ s#^\Q$javacodebase\E/##; 
 2416:                   }
 2417:                   my @attributes = ();
 2418:                   if ($env{'form.embedded_attrib_'.$i} =~ /:/) {
 2419:                       @attributes = split/:/,$env{'form.embedded_attrib_'.$i};
 2420:                   } else {
 2421:                       @attributes = ($env{'form.embedded_attrib_'.$i});
 2422:                   }
 2423:                   foreach (@attributes) {
 2424:                       push(@{$attribs{$i}},&Apache::lonnet::unescape($_));
 2425:                   }
 2426:                   if ($javacodebase) {
 2427:                       $codebase{$i} = $javacodebase;
 2428:                       $codebase{$i} =~ s#/$##;
 2429:                       $updateflag = 1;
 2430:                   }
 2431:               }
 2432:               unless ($newname{$i} eq $origname{$i}) {
 2433:                   $updateflag = 1;
 2434:               }
 2435:           }
 2436: # Process file upload - phase three - modify primary file
 2437:           if ($updateflag) {
 2438:               my ($content,$rtncode);
 2439:               my $updateflag = 0;
 2440:               my $getstatus = &Apache::lonnet::getuploaded('GET',$primary_url,$coursedom,$coursenum,\$content,\$rtncode);
 2441:               if ($getstatus eq 'ok') {
 2442:                   foreach my $item (keys %newname) {
 2443:                       if ($newname{$item} ne $origname{$item}) {
 2444:                           my $attrib_regexp = '';
 2445:                           if (@{$attribs{$item}} > 1) {
 2446:                               $attrib_regexp = join('|',@{$attribs{$item}});
 2447:                           } else {
 2448:                               $attrib_regexp = $attribs{$item}[0];
 2449:                           }
 2450:                           if ($content =~ m#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#) {
 2451:                           } 
 2452:                           $content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#$1$newname{$item}$2#gi; 
 2453:                       }
 2454:                       if (exists($codebase{$item})) {
 2455:                           $content =~ s/(codebase\s*=\s*["']?)\Q$codebase{$item}\E(["']?)/$1.$2/i;
 2456:                       }
 2457:                   }
 2458: # Save edited file.
 2459:                   my $saveresult;
 2460:                   my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
 2461:                   my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2462:                   my $url = &Apache::lonnet::store_edited_file($primary_url,$content,$docudom,$docuname,\$saveresult);
 2463:               } else {
 2464:                   &Apache::lonnet::logthis('retrieval of uploaded file - '.$primary_url.' - for editing, failed: '.$getstatus); 
 2465:               }
 2466:           }
 2467:       }
 2468:   }
 2469: 
 2470:   unless ($showdoc ||  $upload_result eq 'phasetwo') {
 2471: # -----------------------------------------------------------------------------
 2472:        my %lt=&Apache::lonlocal::texthash(
 2473:                 'uplm' => 'Upload a new main course document',
 2474:                 'upls' => 'Upload a new supplemental course document',
 2475:                 'impp' => 'Import a document',
 2476:                 'pubd' => 'Published documents',
 2477: 		'copm' => 'All documents out of a published map into this folder',
 2478:                 'spec' => 'Special documents',
 2479:                 'upld' => 'Upload Document',
 2480:                 'srch' => 'Search',
 2481:                 'impo' => 'Import',
 2482:                 'selm' => 'Select Map',
 2483:                 'load' => 'Load Map',
 2484:                 'reco' => 'Recover Deleted Resources',
 2485:                 'newf' => 'New Folder',
 2486:                 'newp' => 'New Composite Page',
 2487:                 'extr' => 'External Resource',
 2488:                 'syll' => 'Syllabus',
 2489:                 'navc' => 'Navigate Contents',
 2490:                 'sipa' => 'Simple Page',
 2491:                 'sipr' => 'Simple Problem',
 2492:                 'drbx' => 'Drop Box',
 2493:                 'scuf' => 'Score Upload Form',
 2494:                 'bull' => 'Bulletin Board',
 2495:                 'mypi' => 'My Personal Info',
 2496: 		'abou' => 'About User',
 2497:                 'imsf' => 'Import IMS package',
 2498:                 'file' =>  'File',
 2499:                 'title' => 'Title',
 2500:                 'comment' => 'Comment',
 2501:                 'parse' => 'If HTML file, upload embedded images/multimedia files'
 2502: 					  );
 2503: # -----------------------------------------------------------------------------
 2504:     if ($allowed) {
 2505:        my $dumpbut=&dumpbutton();
 2506:        my $exportbut=&exportbutton();
 2507:        my %lt=&Apache::lonlocal::texthash(
 2508: 					 'vc' => 'Verify Content',
 2509: 					 'cv' => 'Check/Set Resource Versions',
 2510: 					 'ls' => 'List Symbs',
 2511: 					  );
 2512: 
 2513:        my $folderpath=$env{'form.folderpath'};
 2514:        if (!$folderpath) {
 2515: 	   if ($env{'form.folder'} eq '' ||
 2516: 	       $env{'form.folder'} eq 'supplemental') {
 2517: 	       $folderpath='default&'.
 2518: 		   &Apache::lonnet::escape(&mt('Main Course Documents'));
 2519: 	   }
 2520:        }
 2521:        unless ($env{'form.pagepath'}) {
 2522:            $containertag = '<input type="hidden" name="folderpath" value="" />';
 2523:            $uploadtag = '<input type="hidden" name="folderpath" value="'.$folderpath.'" />';
 2524:        }
 2525: 
 2526:        $r->print(<<ENDCOURSEVERIFY);
 2527: <form name="renameform" method="post" action="/adm/coursedocs">
 2528: <input type="hidden" name="title" />
 2529: <input type="hidden" name="cmd" />
 2530: <input type="hidden" name="markcopy" />
 2531: $containertag
 2532: </form>
 2533: <form name="simpleedit" method="post" action="/adm/coursedocs">
 2534: <input type=hidden name="importdetail" value="">
 2535: $uploadtag
 2536: </form>
 2537: <form action="/adm/coursedocs" method="post" name="courseverify">
 2538: <table bgcolor="#AAAAAA" width="100%" cellspacing="4" cellpadding="4">
 2539: <tr><td bgcolor="#DDDDCC">
 2540: <input type="submit" name="verify" value="$lt{'vc'}" />$help{'Verify_Content'}
 2541: </td><td bgcolor="#DDDDCC">
 2542:     <input type="submit" name="versions" value="$lt{'cv'}" />$help{'Check_Resource_Versions'}
 2543: $dumpbut
 2544: $exportbut
 2545: </td><td bgcolor="#DDDDCC">
 2546:     <input type="submit" name="listsymbs" value="$lt{'ls'}" />
 2547: </td></tr></table>
 2548: </form>
 2549: ENDCOURSEVERIFY
 2550:        $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
 2551: 		     &mt('Editing the Table of Contents for your Course')));
 2552:     }
 2553: # --------------------------------------------------------- Standard documents
 2554:     $r->print('<table border=2 cellspacing=4 cellpadding=4>');
 2555:     if (($standard) && ($allowed) && (!$forcesupplement)) {
 2556: 	$r->print('<tr><td bgcolor="#BBBBBB">');
 2557: #  '<h2>'.&mt('Main Course Documents').
 2558: #  ($allowed?' '.$help{'Main_Course_Documents'}:'').'</h2>');
 2559:        my $folder=$env{'form.folder'};
 2560:        if ($folder eq '' || $folder eq 'supplemental') {
 2561:            $folder='default';
 2562: 	   $env{'form.folderpath'}='default&'.&Apache::lonnet::escape(&mt('Main Course Documents'));
 2563:        }
 2564:        my $postexec='';
 2565:        if ($folder eq 'default') {
 2566: 	   $r->print('<script>this.window.name="loncapaclient";</script>');
 2567:        } else {
 2568:            #$postexec='self.close();';
 2569:        }
 2570:        $hadchanges=0;
 2571:        &editor($r,$coursenum,$coursedom,$folder,$allowed,$upload_output);
 2572:        if ($hadchanges) {
 2573: 	   &mark_hash_old()
 2574:        }
 2575:        &changewarning($r,$postexec);
 2576:        my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2577:                      '.sequence';
 2578:        my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2579:                      '.page';
 2580: 	my $container='sequence';
 2581: 	if ($env{'form.pagepath'}) {
 2582: 	    $container='page';
 2583: 	}
 2584: 	my $readfile='/uploaded/'.$coursedom.'/'.$coursenum.'/'.$folder.'.'.$container;
 2585:        $r->print(<<ENDFORM);
 2586: <table cellspacing=4 cellpadding=4><tr>
 2587: <th bgcolor="#DDDDDD">$lt{'uplm'}</th>
 2588: <th bgcolor="#DDDDDD">$lt{'impp'}</th>
 2589: <th bgcolor="#DDDDDD">$lt{'spec'}</th>
 2590: </tr>
 2591: <tr><td bgcolor="#DDDDDD">
 2592: $lt{'file'}:<br />
 2593: <form name="uploaddocument" action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 2594: <input type="file" name="uploaddoc" size="40">
 2595: <br />
 2596: $lt{'title'}:<br />
 2597: <input type="text" size="50" name="comment">
 2598: $uploadtag
 2599: <input type="hidden" name="cmd" value="upload_default">
 2600: <br />
 2601: <nobr>
 2602: <label>$lt{'parse'}?
 2603: <input type="checkbox" name="parserflag" />
 2604: </label>
 2605: </nobr>
 2606: <br />
 2607: <br />
 2608: <nobr>
 2609: <input type="submit" value="$lt{'upld'}">
 2610:  $help{'Uploading_From_Harddrive'}
 2611: </nobr>
 2612: </form>
 2613: </td>
 2614: <td bgcolor="#DDDDDD">
 2615: <form action="/adm/coursedocs" method="post" name="simpleeditdefault">
 2616: $lt{'pubd'}<br />
 2617: $uploadtag
 2618: <input type=button onClick="javascript:groupsearch()" value="$lt{'srch'}">
 2619: <nobr>
 2620: <input type=button onClick="javascript:groupimport();" value="$lt{'impo'}">
 2621: $help{'Importing_LON-CAPA_Resource'}
 2622: </nobr>
 2623: <p>
 2624: <hr />
 2625: $lt{'copm'}<br />
 2626: <input type="text" size="40" name="importmap"><br />
 2627: <nobr><input type=button 
 2628: onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"
 2629: value="$lt{'selm'}"> <input type="submit" name="loadmap" value="$lt{'load'}">
 2630: $help{'Load_Map'}</nobr>
 2631: </p>
 2632: </form>
 2633: <hr />
 2634: <form action="/adm/groupsort" method="post" name="recover">
 2635: <input type="button" name="recovermap" onClick="javascript:groupopen('$readfile',1)" value="$lt{'reco'}" />
 2636: </form>
 2637: ENDFORM
 2638:        unless ($env{'form.pagepath'}) {
 2639: 	   $r->print(<<ENDFORM);
 2640: <hr />
 2641: <form action="/adm/coursedocs" method="post" name="newext">
 2642: $uploadtag
 2643: <input type=hidden name="importdetail" value="">
 2644: <nobr>
 2645: <input name="newext" type="button" onClick="javascript:makenewext('newext');"
 2646: value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 2647: </nobr>
 2648: </form>
 2649: <br /><form action="/adm/imsimportdocs" method="post" name="ims">
 2650: <input type="hidden" name="folder" value="$folder" />
 2651: <input name="imsimport" type="button" value="$lt{'imsf'}" onClick="javascript:makeims();" />
 2652: </nobr>
 2653: </form>
 2654: ENDFORM
 2655:        }
 2656:        $r->print('</td><td bgcolor="#DDDDDD">');
 2657:        unless ($env{'form.pagepath'}) {
 2658:            $r->print(<<ENDFORM);
 2659: <br /><form action="/adm/coursedocs" method="post" name="newfolder">
 2660: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2661: <input type=hidden name="importdetail" value="">
 2662: <nobr>
 2663: <input name="newfolder" type="button"
 2664: onClick="javascript:makenewfolder(this.form,'$folderseq');"
 2665: value="$lt{'newf'}" />$help{'Adding_Folders'}
 2666: </nobr>
 2667: </form>
 2668: <br /><form action="/adm/coursedocs" method="post" name="newpage">
 2669: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2670: <input type=hidden name="importdetail" value="">
 2671: <nobr>
 2672: <input name="newpage" type="button"
 2673: onClick="javascript:makenewpage(this.form,'$pageseq');"
 2674: value="$lt{'newp'}" />$help{'Adding_Pages'}
 2675: </nobr>
 2676: </form>
 2677: <br /><form action="/adm/coursedocs" method="post" name="newsyl">
 2678: $uploadtag
 2679: <input type=hidden name="importdetail" 
 2680: value="Syllabus=/public/$coursedom/$coursenum/syllabus">
 2681: <nobr>
 2682: <input name="newsyl" type="submit" value="$lt{'syll'}" /> 
 2683:  $help{'Syllabus'}
 2684: </nobr>
 2685: </form>
 2686: <br /><form action="/adm/coursedocs" method="post" name="newnav">
 2687: $uploadtag
 2688: <input type=hidden name="importdetail" 
 2689: value="Navigate Content=/adm/navmaps">
 2690: <nobr>
 2691: <input name="newnav" type="submit" value="$lt{'navc'}" />
 2692: $help{'Navigate_Content'}
 2693: </nobr>
 2694: </form>
 2695: <br /><form action="/adm/coursedocs" method="post" name="newsmppg">
 2696: $uploadtag
 2697: <input type=hidden name="importdetail" value="">
 2698: <nobr>
 2699: <input name="newsmppg" type="button" value="$lt{'sipa'}"
 2700: onClick="javascript:makesmppage();" /> $help{'Simple Page'}
 2701: </nobr>
 2702: </form>
 2703: <br /><form action="/adm/coursedocs" method="post" name="newsmpproblem">
 2704: $uploadtag
 2705: <input type=hidden name="importdetail" value="">
 2706: <nobr>
 2707: <input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 2708: onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 2709: </nobr>
 2710: </form>
 2711: <br /><form action="/adm/coursedocs" method="post" name="newdropbox">
 2712: $uploadtag      
 2713: <input type=hidden name="importdetail" value="">
 2714: <nobr>          
 2715: <input name="newdropbox" type="button" value="$lt{'drbx'}"
 2716: onClick="javascript:makedropbox();" />
 2717: </nobr>         
 2718: </form> 
 2719: <br /><form action="/adm/coursedocs" method="post" name="newexamupload">
 2720: $uploadtag
 2721: <input type=hidden name="importdetail" value="">
 2722: <nobr>
 2723: <input name="newexamupload" type="button" value="$lt{'scuf'}"
 2724: onClick="javascript:makeexamupload();" />
 2725: $help{'Score_Upload_Form'}
 2726: </nobr>
 2727: </form>
 2728: <br /><form action="/adm/coursedocs" method="post" name="newbul">
 2729: $uploadtag
 2730: <input type=hidden name="importdetail" value="">
 2731: <nobr>
 2732: <input name="newbulletin" type="button" value="$lt{'bull'}"
 2733: onClick="javascript:makebulboard();" />
 2734: $help{'Bulletin Board'}
 2735: </nobr>
 2736: </form>
 2737: <br /><form action="/adm/coursedocs" method="post" name="newaboutme">
 2738: $uploadtag
 2739: <input type=hidden name="importdetail" 
 2740: value="$plainname=/adm/$udom/$uname/aboutme">
 2741: <nobr>
 2742: <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 2743: $help{'My Personal Info'}
 2744: </nobr>
 2745: </form>
 2746: <br /><form action="/adm/coursedocs" method="post" name="newaboutsomeone">
 2747: $uploadtag
 2748: <input type=hidden name="importdetail" value="">
 2749: <nobr>
 2750: <input name="newaboutsomeone" type="button" value="$lt{'abou'}" 
 2751: onClick="javascript:makeabout();" />
 2752: </nobr>
 2753: </form>
 2754: ENDFORM
 2755:        }
 2756:        if ($env{'form.pagepath'}) {
 2757:            $r->print(<<ENDBLOCK);
 2758: <form action="/adm/coursedocs" method="post" name="newsmpproblem">
 2759: $uploadtag
 2760: <input type=hidden name="importdetail" value="">
 2761: <nobr>
 2762: <input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 2763: onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 2764: </nobr>
 2765: </form>
 2766: <br /><form action="/adm/coursedocs" method="post" name="newexamupload">
 2767: $uploadtag
 2768: <input type=hidden name="importdetail" value="">
 2769: <nobr>
 2770: <input name="newexamupload" type="button" value="$lt{'scuf'}"
 2771: onClick="javascript:makeexamupload();" />
 2772: $help{'Score_Upload_Form'}
 2773: </nobr>
 2774: </form>
 2775: ENDBLOCK
 2776:        }
 2777:        $r->print('</td></tr>'."\n".
 2778: '</table>');
 2779:        $r->print('</td></tr>');
 2780:     }
 2781: # ----------------------------------------------------- Supplemental documents
 2782:     if (!$forcestandard) {
 2783:        $r->print('<tr><td bgcolor="#BBBBBB">');
 2784: # '<h2>'.&mt('Supplemental Course Documents').
 2785: #  ($allowed?' '.$help{'Supplemental'}:'').'</h2>');
 2786:        my $folder=$env{'form.folder'};
 2787:        unless ($folder=~/^supplemental/) {
 2788: 	   $folder='supplemental';
 2789:        }
 2790:        if ($folder =~ /^supplemental$/ &&
 2791: 	   $env{'form.folderpath'} =~ /^default\&/) {
 2792: 	   $env{'form.folderpath'}='supplemental&'.
 2793: 	       &Apache::lonnet::escape(&mt('Supplemental Course Documents'));
 2794:        }
 2795:        &editor($r,$coursenum,$coursedom,$folder,$allowed);
 2796:        if ($allowed) {
 2797:        my $folderseq=
 2798:                   '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
 2799:                      '.sequence';
 2800: 
 2801:           $r->print(<<ENDSUPFORM);
 2802: <table cellspacing=4 cellpadding=4><tr>
 2803: <th bgcolor="#DDDDDD">$lt{'upls'}</th>
 2804: <th bgcolor="#DDDDDD">$lt{'spec'}</th>
 2805: </tr>
 2806: <tr><td bgcolor="#DDDDDD">
 2807: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 2808: <input type="file" name="uploaddoc" size="40">
 2809: <br />
 2810: <br />
 2811: <nobr>
 2812: <label>$lt{'parse'}?
 2813: <input type="checkbox" name="parserflag" />
 2814: </label>
 2815: </nobr>
 2816: <br /><br />
 2817: $lt{'comment'}:<br />
 2818: <textarea cols=50 rows=4 name='comment'>
 2819: </textarea>
 2820: <br />
 2821: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2822: <input type="hidden" name="cmd" value="upload_supplemental">
 2823: <nobr>
 2824: <input type="submit" value="$lt{'upld'}">
 2825:  $help{'Uploading_From_Harddrive'}
 2826: </nobr>
 2827: </form>
 2828: </td>
 2829: <td bgcolor="#DDDDDD">
 2830: <form action="/adm/coursedocs" method="post" name="supnewfolder">
 2831: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2832: <input type=hidden name="importdetail" value="">
 2833: <nobr>
 2834: <input name="newfolder" type="button"
 2835: onClick="javascript:makenewfolder(this.form,'$folderseq');"
 2836: value="$lt{'newf'}" /> $help{'Adding_Folders'}
 2837: </nobr>
 2838: </form>
 2839: <br /><form action="/adm/coursedocs" method="post" name="supnewext">
 2840: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2841: <input type=hidden name="importdetail" value="">
 2842: <nobr>
 2843: <input name="newext" type="button" 
 2844: onClick="javascript:makenewext('supnewext');"
 2845: value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 2846: </nobr>
 2847: </form>
 2848: <br /><form action="/adm/coursedocs" method="post" name="supnewsyl">
 2849: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2850: <input type=hidden name="importdetail" 
 2851: value="Syllabus=/public/$coursedom/$coursenum/syllabus">
 2852: <nobr>
 2853: <input name="newsyl" type="submit" value="$lt{'syll'}" />
 2854: $help{'Syllabus'}
 2855: </nobr>
 2856: </form>
 2857: <br /><form action="/adm/coursedocs" method="post" name="subnewaboutme">
 2858: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2859: <input type=hidden name="importdetail" 
 2860: value="$plainname=/adm/$udom/$uname/aboutme">
 2861: <nobr>
 2862: <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 2863: $help{'My Personal Info'}
 2864: </nobr>
 2865: </form>
 2866: </td></tr>
 2867: </table></td></tr>
 2868: ENDSUPFORM
 2869:        }
 2870:     }
 2871:     if ($allowed) {
 2872: 	$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>');
 2873:     }
 2874:     $r->print('</table>');
 2875:   } else {
 2876:       unless ($upload_result eq 'phasetwo') {
 2877: # -------------------------------------------------------- This is showdoc mode
 2878:           $r->print("<h1>".&mt('Uploaded Document').' - '.
 2879: 		&Apache::lonnet::gettitle($r->uri).'</h1><p>'.
 2880: &mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><p><table>".
 2881:           &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table></p>');
 2882:       }
 2883:   }
 2884:  }
 2885:  $r->print('</body></html>');
 2886:  return OK;
 2887: } 
 2888: 
 2889: 1;
 2890: __END__

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