File:  [LON-CAPA] / loncom / interface / londocs.pm
Revision 1.314.2.4: download - view: text, annotated - select for diffs
Sun Dec 21 16:15:39 2008 UTC (15 years, 5 months ago) by raeburn
Branches: version_2_8_X
CVS tags: version_2_8_0, version_2_7_99_1, version_2_7_99_0
- Backport 1.325.

    1: # The LearningOnline Network
    2: # Documents
    3: #
    4: # $Id: londocs.pm,v 1.314.2.4 2008/12/21 16:15:39 raeburn 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 LONCAPA::map();
   37: use Apache::lonratedt();
   38: use Apache::lonxml;
   39: use Apache::lonclonecourse;
   40: use Apache::lonnavmaps;
   41: use HTML::Entities;
   42: use GDBM_File;
   43: use Apache::lonlocal;
   44: use Cwd;
   45: use LONCAPA qw(:DEFAULT :match);
   46: 
   47: my $iconpath;
   48: 
   49: my %hash;
   50: 
   51: my $hashtied;
   52: my %alreadyseen=();
   53: 
   54: my $hadchanges;
   55: 
   56: # Available help topics
   57: 
   58: my %help=();
   59: 
   60: # Mapread read maps into LONCAPA::map:: global arrays 
   61: # @order and @resources, determines status
   62: # sets @order - pointer to resources in right order
   63: # sets @resources - array with the resources with correct idx
   64: #
   65: 
   66: sub mapread {
   67:     my ($coursenum,$coursedom,$map)=@_;
   68:     return
   69:       &LONCAPA::map::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   70: 			     $map);
   71: }
   72: 
   73: sub storemap {
   74:     my ($coursenum,$coursedom,$map)=@_;
   75:     my ($outtext,$errtext)=
   76:       &LONCAPA::map::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   77: 			      $map,1);
   78:     if ($errtext) { return ($errtext,2); }
   79:     
   80:     $hadchanges=1;
   81:     return ($errtext,0);
   82: }
   83: 
   84: # ----------------------------------------- Return hash with valid author names
   85: 
   86: sub authorhosts {
   87:     my %outhash=();
   88:     my $home=0;
   89:     my $other=0;
   90:     foreach (keys %env) {
   91: 	if ($_=~/^user\.role\.(au|ca)\.(.+)$/) {
   92: 	    my $role=$1;
   93: 	    my $realm=$2;
   94: 	    my ($start,$end)=split(/\./,$env{$_});
   95: 	    if (($start) && ($start>time)) { next; }
   96: 	    if (($end) && (time>$end)) { next; }
   97: 	    my $ca; my $cd;
   98: 	    if ($1 eq 'au') {
   99: 		$ca=$env{'user.name'};
  100: 		$cd=$env{'user.domain'};
  101: 	    } else {
  102: 		($cd,$ca)=($realm=~/^\/($match_domain)\/($match_username)$/);
  103: 	    }
  104: 	    my $allowed=0;
  105: 	    my $myhome=&Apache::lonnet::homeserver($ca,$cd);
  106: 	    my @ids=&Apache::lonnet::current_machine_ids();
  107: 	    foreach my $id (@ids) { if ($id eq $myhome) { $allowed=1; } }
  108: 	    if ($allowed) {
  109: 		$home++;
  110: 		$outhash{'home_'.$ca.'@'.$cd}=1;
  111: 	    } else {
  112: 		$outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;
  113: 		$other++;
  114: 	    }
  115: 	}
  116:     }
  117:     return ($home,$other,%outhash);
  118: }
  119: # ------------------------------------------------------ Generate "dump" button
  120: 
  121: sub dumpbutton {
  122:     my ($home,$other,%outhash)=&authorhosts();
  123:     my $type = &Apache::loncommon::course_type();
  124:     if ($home+$other==0) { return ''; }
  125:     if ($home) {
  126: 	return '<div>'.
  127: 	    '<input type="submit" name="dumpcourse" value="'.
  128: 	    &mt('Dump '.$type.' DOCS to Construction Space').'" />'.
  129: 	    &Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs').
  130: 	    '</div>';
  131:     } else {
  132: 	return '<div>'.
  133:      &mt('Dump '.$type.
  134: 	 ' DOCS to Construction Space: available on other servers').
  135: 	 '</div>';
  136:     }
  137: }
  138: 
  139: sub clean {
  140:     my ($title)=@_;
  141:     $title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
  142:     return $title;	
  143: }
  144: # -------------------------------------------------------- Actually dump course
  145: 
  146: sub dumpcourse {
  147:     my ($r) = @_;
  148:     my $type = &Apache::loncommon::course_type();
  149:     $r->print(&Apache::loncommon::start_page('Dump '.$type.' DOCS to Construction Space').
  150: 	      '<form name="dumpdoc" method="post">');
  151:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Dump '.$type.' DOCS to Construction Space'));
  152:     my ($home,$other,%outhash)=&authorhosts();
  153:     unless ($home) { return ''; }
  154:     my $origcrsid=$env{'request.course.id'};
  155:     my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
  156:     if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
  157: # Do the dumping
  158: 	unless ($outhash{'home_'.$env{'form.authorspace'}}) { return ''; }
  159: 	my ($ca,$cd)=split(/\@/,$env{'form.authorspace'});
  160: 	$r->print('<h3>'.&mt('Copying Files').'</h3>');
  161: 	my $title=$env{'form.authorfolder'};
  162: 	$title=&clean($title);
  163: 	my %replacehash=();
  164: 	foreach (keys %env) {
  165: 	    if ($_=~/^form\.namefor\_(.+)/) {
  166: 		$replacehash{$1}=$env{$_};
  167: 	    }
  168: 	}
  169: 	my $crs='/uploaded/'.$env{'request.course.id'}.'/';
  170: 	$crs=~s/\_/\//g;
  171: 	foreach (keys %replacehash) {
  172: 	    my $newfilename=$title.'/'.$replacehash{$_};
  173: 	    $newfilename=~s/\.(\w+)$//;
  174: 	    my $ext=$1;
  175: 	    $newfilename=&clean($newfilename);
  176: 	    $newfilename.='.'.$ext;
  177: 	    my @dirs=split(/\//,$newfilename);
  178: 	    my $path='/home/'.$ca.'/public_html';
  179: 	    my $makepath=$path;
  180: 	    my $fail=0;
  181: 	    for (my $i=0;$i<$#dirs;$i++) {
  182: 		$makepath.='/'.$dirs[$i];
  183: 		unless (-e $makepath) { 
  184: 		    unless(mkdir($makepath,0777)) { $fail=1; } 
  185: 		}
  186: 	    }
  187: 	    $r->print('<br /><tt>'.$_.'</tt> => <tt>'.$newfilename.'</tt>: ');
  188: 	    if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
  189: 		if ($_=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
  190: 		    print $fh &Apache::lonclonecourse::rewritefile(
  191:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$_),
  192: 				     (%replacehash,$crs => '')
  193: 								    );
  194: 		} else {
  195: 		    print $fh
  196:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$_);
  197: 		       }
  198: 		$fh->close();
  199: 	    } else {
  200: 		$fail=1;
  201: 	    }
  202: 	    if ($fail) {
  203: 		$r->print('<span class="LC_error">'.&mt('fail').'</span>');
  204: 	    } else {
  205: 		$r->print('<span class="LC_success">'.&mt('ok').'</span>');
  206: 	    }
  207: 	}
  208:     } else {
  209: # Input form
  210: 	unless ($home==1) {
  211: 	    $r->print(
  212: 		      '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');
  213: 	}
  214: 	foreach (sort keys %outhash) {
  215: 	    if ($_=~/^home_(.+)$/) {
  216: 		if ($home==1) {
  217: 		    $r->print(
  218: 		  '<input type="hidden" name="authorspace" value="'.$1.'" />');
  219: 		} else {
  220: 		    $r->print('<option value="'.$1.'">'.$1.' - '.
  221: 			      &Apache::loncommon::plainname(split(/\@/,$1)).'</option>');
  222: 		}
  223: 	    }
  224: 	}
  225: 	unless ($home==1) {
  226: 	    $r->print('</select>');
  227: 	}
  228: 	my $title=$origcrsdata{'description'};
  229: 	$title=~s/[\/\s]+/\_/gs;
  230: 	$title=&clean($title);
  231: 	$r->print('<h3>'.&mt('Folder in Construction Space').'</h3>'
  232:                  .'<input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
  233: 	&tiehash();
  234: 	$r->print('<h3>'.&mt('Filenames in Construction Space').'</h3>'
  235:                  .&Apache::loncommon::start_data_table()
  236:                  .&Apache::loncommon::start_data_table_header_row()
  237:                  .'<th>'.&mt('Internal Filename').'</th>'
  238:                  .'<th>'.&mt('Title').'</th>'
  239:                  .'<th>'.&mt('Save as ...').'</th>'
  240:                  .&Apache::loncommon::end_data_table_header_row());
  241: 	foreach (&Apache::lonclonecourse::crsdirlist($origcrsid,'userfiles')) {
  242: 	    $r->print(&Apache::loncommon::start_data_table_row()
  243:                      .'<td>'.$_.'</td>');
  244: 	    my ($ext)=($_=~/\.(\w+)$/);
  245: 	    my $title=$hash{'title_'.$hash{
  246: 		'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$_}};
  247: 	    $r->print('<td>'.($title?$title:'&nbsp;').'</td>');
  248: 	    if (!$title) {
  249: 		$title=$_;
  250: 	    } else {
  251: 		$title=~s|/|_|g;
  252: 	    }
  253: 	    $title=~s/\.(\w+)$//;
  254: 	    $title=&clean($title);
  255: 	    $title.='.'.$ext;
  256: 	    $r->print("\n<td><input type='text' size='60' name='namefor_".$_."' value='".$title."' /></td>"
  257:                      .&Apache::loncommon::end_data_table_row());
  258: 	}
  259: 	$r->print(&Apache::loncommon::end_data_table());
  260: 	&untiehash();
  261: 	$r->print(
  262:   '<p><input type="submit" name="dumpcourse" value="'.&mt("Dump $type DOCS").'" /></p></form>');
  263:     }
  264: }
  265: 
  266: # ------------------------------------------------------ Generate "export" button
  267: 
  268: sub exportbutton {
  269:     my $type = &Apache::loncommon::course_type();
  270:     return '<div>'.
  271:             '<input type="submit" name="exportcourse" value="'.
  272:             &mt('Export '.$type.' to IMS').'" />'.
  273:     &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs').'</div>';
  274: }
  275: 
  276: sub exportcourse {
  277:     my $r=shift;
  278:     my $type = &Apache::loncommon::course_type();
  279:     my %discussiontime = &Apache::lonnet::dump('discussiontimes',
  280:                                                $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
  281:     my $numdisc = keys %discussiontime;
  282:     my $navmap = Apache::lonnavmaps::navmap->new();
  283:     if (!defined($navmap)) {
  284:         $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package').
  285:                   '<h2>IMS Export Failed</h2>'.
  286:                   '<div class="LC_error">'.
  287:                   &mt('Unable to retrieve information about course contents').
  288:                   '</div><a href="/adm/coursedocs">'.&mt('Return to Course Editor').'</a>');
  289:         &Apache::lonnet::logthis('IMS export failed - could not create navmap object in '.lc($type).':'.$env{'request.course.id'});
  290:         return;
  291:     }
  292:     my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
  293:     my $curRes;
  294:     my $outcome;
  295: 
  296:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  297:                                             ['finishexport']);
  298:     if ($env{'form.finishexport'}) {
  299:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  300:                                             ['archive','discussion']);
  301: 
  302:         my @exportitems = &Apache::loncommon::get_env_multiple('form.archive');
  303:         my @discussions = &Apache::loncommon::get_env_multiple('form.discussion');
  304:         if (@exportitems == 0 && @discussions == 0) {
  305:             $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';
  306:         } else {
  307:             my $now = time;
  308:             my %symbs;
  309:             my $manifestok = 0;
  310:             my $imsresources;
  311:             my $tempexport;
  312:             my $copyresult;
  313:             my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
  314:             if ($manifestok) {
  315:                 &build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest);
  316:                 close($ims_manifest);
  317: 
  318: #Create zip file in prtspool
  319:                 my $imszipfile = '/prtspool/'.
  320:                 $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
  321:                    time.'_'.rand(1000000000).'.zip';
  322:                 my $cwd = &Cwd::getcwd();
  323:                 my $imszip = '/home/httpd/'.$imszipfile;
  324:                 chdir $tempexport;
  325:                 open(OUTPUT, "zip -r $imszip *  2> /dev/null |");
  326:                 close(OUTPUT);
  327:                 chdir $cwd;
  328:                 $outcome .= &mt('Download the zip file from <a href="[_1]">IMS '.lc($type).' archive</a><br />',$imszipfile,);
  329:                 if ($copyresult) {
  330:                     $outcome .= &mt('The following errors occurred during export - [_1]',$copyresult);
  331:                 }
  332:             } else {
  333:                 $outcome = '<br />'.&mt('Unfortunately you will not be able to retrieve an IMS archive of this posts at this time, because there was a problem creating a manifest file.').'<br />';
  334:             }
  335:         }
  336:         $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package'));
  337: 	$r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
  338:         $r->print($outcome);
  339:         $r->print(&Apache::loncommon::end_page());
  340:     } else {
  341:         my $display;
  342:         $display = '<form name="exportdoc" method="post">'."\n";
  343:         $display .= &mt('Choose which items you wish to export from your '.$type.'.<br /><br />');
  344:         $display .= '<table border="0" cellspacing="0" cellpadding="3">'.
  345:                     '<tr><td><fieldset><legend>&nbsp;<b>Content items</b></legend>'.
  346:                     '<input type="button" value="check all" '.
  347:                     'onclick="javascript:checkAll(document.exportdoc.archive)" />'.
  348:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  349:                     ' onclick="javascript:uncheckAll(document.exportdoc.archive)" /></fieldset></td>'.
  350:                     '<td>&nbsp;</td><td>&nbsp;</td>'.
  351:                     '<td align="right"><fieldset><legend>&nbsp;<b>Discussion posts'.
  352:                     '</b></legend><input type="button" value="check all"'.
  353:                     ' onclick="javascript:checkAll(document.exportdoc.discussion)" />'.
  354:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  355:                     ' onclick="javascript:uncheckAll(document.exportdoc.discussion)" /></fieldset></td>'.
  356:                     '</tr></table>';
  357:         my $curRes;
  358:         my $depth = 0;
  359:         my $count = 0;
  360:         my $boards = 0;
  361:         my $startcount = 5;
  362:         my %parent = ();
  363:         my %children = ();
  364:         my $lastcontainer = $startcount;
  365:         my @bgcolors = ('#F6F6F6','#FFFFFF');
  366:         $display .= '<table cellspacing="0"><tr>'.
  367:             '<td><b>Export content item?<br /></b></td><td>&nbsp;</td><td align="right">'."\n";
  368:         if ($numdisc > 0) {
  369:             $display.='<b>Export&nbsp;discussion posts?</b>'."\n";
  370:         }
  371:         $display.='&nbsp;</td></tr>';
  372:         while ($curRes = $it->next()) {
  373:             if (ref($curRes)) {
  374:                 $count ++;
  375:             }
  376:             if ($curRes == $it->BEGIN_MAP()) {
  377:                 $depth++;
  378:                 $parent{$depth} = $lastcontainer;
  379:             }
  380:             if ($curRes == $it->END_MAP()) {
  381:                 $depth--;
  382:                 $lastcontainer = $parent{$depth};
  383:             }
  384:             if (ref($curRes)) {
  385:                 my $symb = $curRes->symb();
  386:                 my $ressymb = $symb;
  387:                 if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
  388:                     unless ($ressymb =~ m|adm/wrapper/adm|) {
  389:                         $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  390:                     }
  391:                 }
  392:                 my $color = $count%2;
  393:                 $display .='<tr bgcolor='.$bgcolors[$color].'><td>'."\n".
  394:                     '<input type="checkbox" name="archive" value="'.$count.'" ';
  395:                 if (($curRes->is_sequence()) || ($curRes->is_page())) {
  396:                     my $checkitem = $count + $boards + $startcount;
  397:                     $display .= 'onClick="javascript:propagateCheck('."'$checkitem'".')"';
  398:                 }
  399:                 $display .= ' />'."\n";
  400:                 for (my $i=0; $i<$depth; $i++) {
  401:                     $display .= '<img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" /><img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" />'."\n";
  402:                 }
  403:                 if ($curRes->is_sequence()) {
  404:                     $display .= '<img src="/adm/lonIcons/navmap.folder.open.gif">&nbsp;'."\n";
  405:                     $lastcontainer = $count + $startcount + $boards;
  406:                 } elsif ($curRes->is_page()) {
  407:                     $display .= '<img src="/adm/lonIcons/navmap.page.open.gif">&nbsp;'."\n";
  408:                     $lastcontainer = $count + $startcount + $boards;
  409:                 }
  410:                 my $currelem = $count+$boards+$startcount;
  411:                 $children{$parent{$depth}} .= $currelem.':';
  412:                 $display .= '&nbsp;'.$curRes->title().'</td>';
  413:                 if ($discussiontime{$ressymb} > 0) {
  414:                     $boards ++;
  415:                     $currelem = $count+$boards+$startcount;
  416:                     $display .= '<td>&nbsp;</td><td align="right"><input type="checkbox" name="discussion" value="'.$count.'" />&nbsp;</td>'."\n";
  417:                 } else {
  418:                     $display .= '<td colspan="2">&nbsp;</td>'."\n";
  419:                 }
  420:             }
  421:         }
  422:         my $scripttag = qq|
  423: <script>
  424: 
  425: function checkAll(field) {
  426:     if (field.length > 0) {
  427:         for (i = 0; i < field.length; i++) {
  428:             field[i].checked = true ;
  429:         }
  430:     } else {
  431:         field.checked = true
  432:     }
  433: }
  434:                                                                                 
  435: function uncheckAll(field) {
  436:     if (field.length > 0) {
  437:         for (i = 0; i < field.length; i++) {
  438:             field[i].checked = false ;
  439:         }
  440:     } else {
  441:         field.checked = false ;
  442:     }
  443: }
  444: 
  445: function propagateCheck(item) {
  446:     if (document.exportdoc.elements[item].checked == true) {
  447:         containerCheck(item)
  448:     }
  449: } 
  450: 
  451: function containerCheck(item) {
  452:     document.exportdoc.elements[item].checked = true
  453:     var numitems = $count + $boards + $startcount
  454:     var parents = new Array(numitems)
  455:     for (var i=$startcount; i<numitems; i++) {
  456:         parents[i] = new Array
  457:     }
  458:         |;
  459: 
  460:         foreach my $container (sort { $a <=> $b } keys %children) {
  461:             my @contents = split/:/,$children{$container};
  462:             for (my $i=0; $i<@contents; $i ++) {
  463:                 $scripttag .= '    parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
  464:             }
  465:         }
  466: 
  467:         $scripttag .= qq|
  468:     if (parents[item].length > 0) {
  469:         for (var j=0; j<parents[item].length; j++) {
  470:             containerCheck(parents[item][j])
  471:         }
  472:      }   
  473: }
  474: 
  475: </script>
  476:         |;
  477: 	$r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package',
  478: 						 $scripttag));
  479: 	$r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
  480: 	$r->print($display.'</table>'.
  481:                   '<p><input type="hidden" name="finishexport" value="1">'.
  482:                   '<input type="submit" name="exportcourse" value="'.
  483:                   &mt('Export '.$type.' DOCS').'" /></p></form>');
  484:     }
  485: }
  486: 
  487: sub create_ims_store {
  488:     my ($now,$manifestok,$outcome,$tempexport) = @_;
  489:     $$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
  490:     my $ims_manifest;
  491:     if (!-e $$tempexport) {
  492:         mkdir($$tempexport,0700);
  493:     }
  494:     $$tempexport .= '/'.$now;
  495:     if (!-e $$tempexport) {
  496:         mkdir($$tempexport,0700);
  497:     }
  498:     $$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
  499:     if (!-e $$tempexport) {
  500:         mkdir($$tempexport,0700);
  501:     }
  502:     if (!-e "$$tempexport/resources") {
  503:         mkdir("$$tempexport/resources",0700);
  504:     }
  505: # open manifest file
  506:     my $manifest = '/imsmanifest.xml';
  507:     my $manifestfilename = $$tempexport.$manifest;
  508:     if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
  509:         $$manifestok=1;
  510:         print $ims_manifest
  511: '<?xml version="1.0" encoding="UTF-8"?>'."\n".
  512: '<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"'.
  513: ' xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"'.
  514: ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'.
  515: ' identifier="MANIFEST-'.$env{'request.course.id'}.'-'.$now.'"'.
  516: '  xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1imscp_v1p1.xsd'.
  517: '  http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">'."\n".
  518: '  <metadata>
  519:     <schema></schema>
  520:     <imsmd:lom>
  521:       <imsmd:general>
  522:         <imsmd:identifier>'.$env{'request.course.id'}.'</imsmd:identifier>
  523:         <imsmd:title>
  524:           <imsmd:langstring xml:lang="en">'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</imsmd:langstring>
  525:         </imsmd:title>
  526:       </imsmd:general>
  527:     </imsmd:lom>
  528:   </metadata>'."\n".
  529: '  <organizations default="ORG-'.$env{'request.course.id'}.'-'.$now.'">'."\n".
  530: '    <organization identifier="ORG-'.$env{'request.course.id'}.'-'.$now.'"'.
  531: ' structure="hierarchical">'."\n".
  532: '      <title>'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</title>'
  533:     } else {
  534:         $$outcome .= 'An error occurred opening the IMS manifest file.<br />'
  535: ;
  536:     }
  537:     return $ims_manifest;
  538: }
  539: 
  540: sub build_package {
  541:     my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
  542: # first iterator to look for dependencies
  543:     my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  544:     my $curRes;
  545:     my $count = 0;
  546:     my $depth = 0;
  547:     my $lastcontainer = 0;
  548:     my %parent = ();
  549:     my @dependencies = ();
  550:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  551:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  552:     while ($curRes = $it->next()) {
  553:         if (ref($curRes)) {
  554:             $count ++;
  555:         }
  556:         if ($curRes == $it->BEGIN_MAP()) {
  557:             $depth++;
  558:             $parent{$depth} = $lastcontainer;
  559:         }
  560:         if ($curRes == $it->END_MAP()) {
  561:             $depth--;
  562:             $lastcontainer = $parent{$depth};
  563:         }
  564:         if (ref($curRes)) {
  565:             if ($curRes->is_sequence() || $curRes->is_page()) {
  566:                 $lastcontainer = $count;
  567:             }
  568:             if (grep/^$count$/,@$exportitems) {
  569:                 &get_dependencies($exportitems,\%parent,$depth,\@dependencies);
  570:             }
  571:         }
  572:     }
  573: # second iterator to build manifest and store resources
  574:     $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  575:     $depth = 0;
  576:     my $prevdepth;
  577:     $count = 0;
  578:     my $imsresources;
  579:     my $pkgdepth;
  580:     while ($curRes = $it->next()) {
  581:         if ($curRes == $it->BEGIN_MAP()) {
  582:             $prevdepth = $depth;
  583:             $depth++;
  584:         }
  585:         if ($curRes == $it->END_MAP()) {
  586:             $prevdepth = $depth;
  587:             $depth--;
  588:         }
  589: 
  590:         if (ref($curRes)) {
  591:             $count ++;
  592:             if ((grep/^$count$/,@$exportitems) || (grep/^$count$/,@dependencies)) {
  593:                 my $symb = $curRes->symb();
  594:                 my $isvisible = 'true';
  595:                 my $resourceref;
  596:                 if ($curRes->randomout()) {
  597:                     $isvisible = 'false';
  598:                 }
  599:                 unless ($curRes->is_sequence()) {
  600:                     $resourceref = 'identifierref="RES-'.$env{'request.course.id'}.'-'.$count.'"';
  601:                 }
  602:                 my $step = $prevdepth - $depth;
  603:                 if (($step >= 0) && ($count > 1)) {
  604:                     while ($step >= 0) {
  605:                         print $ims_manifest "\n".'  </item>'."\n";
  606:                         $step --;
  607:                     }
  608:                 }
  609:                 $prevdepth = $depth;
  610: 
  611:                 my $itementry =
  612:               '<item identifier="ITEM-'.$env{'request.course.id'}.'-'.$count.
  613:               '" isvisible="'.$isvisible.'" '.$resourceref.'>'.
  614:               '<title>'.$curRes->title().'</title>';
  615:                 print $ims_manifest "\n".$itementry;
  616: 
  617:                 unless ($curRes->is_sequence()) {
  618:                     my $content_file;
  619:                     my @hrefs = ();
  620:                     &process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport);
  621:                     if ($content_file) {
  622:                         $imsresources .= "\n".
  623:                      '   <resource identifier="RES-'.$env{'request.course.id'}.'-'.$count.
  624:                      '" type="webcontent" href="'.$content_file.'">'."\n".
  625:                      '       <file href="'.$content_file.'" />'."\n";
  626:                         foreach (@hrefs) {
  627:                             $imsresources .=
  628:                      '        <file href="'.$_.'" />'."\n";
  629:                         }
  630:                         if (grep/^$count$/,@$discussions) {
  631:                             my $ressymb = $symb;
  632:                             my $mode;
  633:                             if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
  634:                                 unless ($ressymb =~ m|adm/wrapper/adm|) {
  635:                                     $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  636:                                 }
  637:                                 $mode = 'board';
  638:                             }
  639:                             my %extras = (
  640:                                           caller => 'imsexport',
  641:                                           tempexport => $tempexport.'/resources',
  642:                                           count => $count
  643:                                          );
  644:                             my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras);
  645:                         }
  646:                         $imsresources .= '    </resource>'."\n";
  647:                     }
  648:                 }
  649:                 $pkgdepth = $depth;
  650:             }
  651:         }
  652:     }
  653:     while ($pkgdepth > 0) {
  654:         print $ims_manifest "    </item>\n";
  655:         $pkgdepth --;
  656:     }
  657:     my $resource_text = qq|
  658:     </organization>
  659:   </organizations>
  660:   <resources>
  661:     $imsresources
  662:   </resources>
  663: </manifest>
  664:     |;
  665:     print $ims_manifest $resource_text;
  666: }
  667: 
  668: sub get_dependencies {
  669:     my ($exportitems,$parent,$depth,$dependencies) = @_;
  670:     if ($depth > 1) {
  671:         if ((!grep/^$$parent{$depth}$/,@$exportitems) && (!grep/^$$parent{$depth}$/,@$dependencies)) {
  672:             push @$dependencies, $$parent{$depth};
  673:             if ($depth > 2) {
  674:                 &get_dependencies($exportitems,$parent,$depth-1,$dependencies);
  675:             }
  676:         }
  677:     }
  678: }
  679: 
  680: sub process_content {
  681:     my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
  682:     my $content_type;
  683:     my $message;
  684:     my @uploads = ();
  685:     if ($curRes->is_sequence()) {
  686:         $content_type = 'sequence';
  687:     } elsif ($curRes->is_page()) {
  688:         $content_type = 'page'; # need to handle individual items in pages.
  689:     } elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
  690:         $content_type = 'syllabus';
  691:         my $contents = &Apache::imsexport::templatedpage($content_type);
  692:         if ($contents) {
  693:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  694:         }
  695:     } elsif ($symb =~ m-\.sequence___\d+___ext-) {
  696:         $content_type = 'external';
  697:         my $title = $curRes->title;
  698:         my $contents =  &Apache::imsexport::external($symb,$title);
  699:         if ($contents) {
  700:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  701:         }
  702:     } elsif ($symb =~ m-adm/navmaps$-) {
  703:         $content_type =  'navmap';
  704:     } elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) {
  705:         $content_type = 'simplepage';
  706:         my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads);
  707:         if ($contents) {
  708:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  709:         }
  710:     } elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) {
  711:         $content_type = 'simpleproblem';
  712:         my $contents =  &Apache::imsexport::simpleproblem($symb);
  713:         if ($contents) {
  714:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  715:         }
  716:     } elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
  717:         $content_type = 'examupload';
  718:     } elsif ($symb =~ m-adm/($match_domain)/($match_username)/(\d+)/bulletinboard$-) {
  719:         $content_type = 'bulletinboard';
  720:         my $contents =  &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
  721:         if ($contents) {
  722:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  723:         }
  724:     } elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) {
  725:         $content_type = 'aboutme';
  726:         my $contents =  &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2);
  727:         if ($contents) {
  728:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  729:         }
  730:     } elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) {
  731:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  732:     } elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) {
  733:         my $canedit = 0;
  734:         if ($2 eq $env{'user.domain'} && $3 eq $env{'user.name'})  {
  735:             $canedit= 1;
  736:         }
  737: # only include problem code where current user is author
  738:         if ($canedit) {
  739:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource');
  740:         } else {
  741:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit');
  742:         }
  743:     } elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
  744:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  745:     }
  746:     if (@uploads > 0) {
  747:         foreach my $item (@uploads) {
  748:             my $uploadmsg = '';
  749:             &replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload');
  750:             if ($uploadmsg) {
  751:                 $$copyresult .= $uploadmsg."\n";
  752:             }
  753:         }
  754:     }
  755:     if ($message) {
  756:         $$copyresult .= $message."\n";
  757:     }
  758: }
  759: 
  760: sub replicate_content {
  761:     my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
  762:     my ($map,$ind,$url);
  763:     if ($caller eq 'templateupload') {
  764:         $url = $symb;
  765:         $url =~ s#//#/#g;
  766:     } else { 
  767:         ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
  768:     }
  769:     my $content;
  770:     my $filename;
  771:     my $repstatus;
  772:     my $content_name;
  773:     if ($url =~ m-/([^/]+)$-) {
  774:         $filename = $1;
  775:         if (!-e $tempexport.'/resources') {
  776:             mkdir($tempexport.'/resources',0700);
  777:         }
  778:         if (!-e $tempexport.'/resources/'.$count) {
  779:             mkdir($tempexport.'/resources/'.$count,0700);
  780:         }
  781:         my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
  782:         my $copiedfile;
  783:         if ($copiedfile = Apache::File->new('>'.$destination)) {
  784:             my $content;
  785:             if ($caller eq 'resource') {
  786:                 my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
  787:                 my $filepath = &Apache::lonnet::filelocation($respath,$url);
  788:                 $content = &Apache::lonnet::getfile($filepath);
  789:                 if ($content eq -1) {
  790:                     $$message = 'Could not copy file '.$filename;
  791:                 } else {
  792:                     &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'resource');
  793:                     $repstatus = 'ok';
  794:                 }
  795:             } elsif ($caller eq 'uploaded' || $caller eq 'templateupload') {
  796:                 my $rtncode;
  797:                 $repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode);
  798:                 if ($repstatus eq 'ok') {
  799:                     if ($url =~ /\.html?$/i) {
  800:                         &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'uploaded');
  801:                     }
  802:                 } else {
  803:                     $$message = 'Could not render '.$url.' server message - '.$rtncode."<br />\n";
  804:                 }
  805:             } elsif ($caller eq 'noedit') {
  806: # Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this. 
  807:                 $repstatus = 'ok';
  808:                 $content = 'Not the owner of this resource'; 
  809:             }
  810:             if ($repstatus eq 'ok') {
  811:                 print $copiedfile $content;
  812:             }
  813:             close($copiedfile);
  814:         } else {
  815:             $$message = 'Could not open destination file for '.$filename."<br />\n";
  816:         }
  817:     } else {
  818:         $$message = 'Could not determine name of file for '.$symb."<br />\n";
  819:     }
  820:     if ($repstatus eq 'ok') {
  821:         $content_name = 'resources/'.$count.'/'.$filename;
  822:     }
  823:     return $content_name;
  824: }
  825: 
  826: sub extract_media {
  827:     my ($url,$cdom,$cnum,$content,$count,$tempexport,$href,$message,$caller) = @_;
  828:     my ($dirpath,$container);
  829:     my %allfiles = ();
  830:     my %codebase = ();
  831:     if ($url =~ m-(.*/)([^/]+)$-) {
  832:         $dirpath = $1;
  833:         $container = $2;
  834:     } else {
  835:         $dirpath = $url;
  836:         $container = '';
  837:     }
  838:     &Apache::lonnet::extract_embedded_items(undef,\%allfiles,\%codebase,$content);
  839:     foreach my $embed_file (keys(%allfiles)) {
  840:         my $filename;
  841:         if ($embed_file =~ m#([^/]+)$#) {
  842:             $filename = $1;
  843:         } else {
  844:             $filename = $embed_file;
  845:         }
  846:         my $newname = 'res/'.$filename;
  847:         my ($rtncode,$embed_content,$repstatus);
  848:         my $embed_url;
  849:         if ($embed_file =~ m-^/-) {
  850:             $embed_url = $embed_file;           # points to absolute path
  851:         } else {
  852:             if ($embed_file =~ m-https?://-) {
  853:                 next;                           # points to url
  854:             } else {
  855:                 $embed_url = $dirpath.$embed_file;  # points to relative path
  856:             }
  857:         }
  858:         if ($caller eq 'resource') {
  859:             my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';  
  860:             my $embed_path = &Apache::lonnet::filelocation($respath,$embed_url); 
  861:             $embed_content = &Apache::lonnet::getfile($embed_path);
  862:             unless ($embed_content eq -1) {
  863:                 $repstatus = 'ok';
  864:             }
  865:         } elsif ($caller eq 'uploaded') {
  866:             
  867:             $repstatus = &Apache::lonnet::getuploaded('GET',$embed_url,$cdom,$cnum,\$embed_content,$rtncode);
  868:         }
  869:         if ($repstatus eq 'ok') {
  870:             my $destination = $tempexport.'/resources/'.$count.'/res';
  871:             if (!-e "$destination") {
  872:                 mkdir($destination,0755);
  873:             }
  874:             $destination .= '/'.$filename;
  875:             my $copiedfile;
  876:             if ($copiedfile = Apache::File->new('>'.$destination)) {
  877:                 print $copiedfile $embed_content;
  878:                 push @{$href}, 'resources/'.$count.'/res/'.$filename;
  879:                 my $attrib_regexp = '';
  880:                 if (@{$allfiles{$embed_file}} > 1) {
  881:                     $attrib_regexp = join('|',@{$allfiles{$embed_file}});
  882:                 } else {
  883:                     $attrib_regexp = $allfiles{$embed_file}[0];
  884:                 }
  885:                 $$content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$embed_file\E(['"]?)#$1$newname$2#gi;
  886:                 if ($caller eq 'resource' && $container =~ /\.(problem|library)$/) {
  887:                     $$content =~ s#\Q$embed_file\E#$newname#gi;
  888:                 }
  889:             }
  890:         } else {
  891:             $$message .= 'replication of embedded file - '.$embed_file.' in '.$url.' failed, reason -'.$rtncode."<br />\n";
  892:         }
  893:     }
  894:     return;
  895: }
  896: 
  897: sub store_template {
  898:     my ($contents,$tempexport,$count,$content_type) = @_;
  899:     if ($contents) {
  900:         if ($tempexport) {
  901:             if (!-e $tempexport.'/resources') {
  902:                 mkdir($tempexport.'/resources',0700);
  903:             }
  904:             if (!-e $tempexport.'/resources/'.$count) {
  905:                 mkdir($tempexport.'/resources/'.$count,0700);
  906:             }
  907:             my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml';
  908:             my $storetemplate;
  909:             if ($storetemplate = Apache::File->new('>'.$destination)) {
  910:                 print $storetemplate $contents;
  911:                 close($storetemplate);
  912:             }
  913:             if ($content_type eq 'external') {
  914:                 return 'resources/'.$count.'/'.$content_type.'.html';
  915:             } else {
  916:                 return 'resources/'.$count.'/'.$content_type.'.xml';
  917:             }
  918:         }
  919:     }
  920: }
  921: 
  922: # Imports the given (name, url) resources into the course
  923: # coursenum, coursedom, and folder must precede the list
  924: sub group_import {
  925:     my ($coursenum, $coursedom, $folder, $container, $caller, @files) = @_;
  926: 
  927:     while (@files) {
  928: 	my ($name, $url, $residx) = @{ shift(@files) };
  929:         if (($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/(default_\d+\.)(page|sequence)$}) 
  930: 	     && ($caller eq 'londocs')
  931: 	     && (!&Apache::lonnet::stat_file($url))) {
  932: 	    
  933:             my $errtext = '';
  934:             my $fatal = 0;
  935:             my $newmapstr = '<map>'."\n".
  936:                             '<resource id="1" src="" type="start"></resource>'."\n".
  937:                             '<link from="1" to="2" index="1"></link>'."\n".
  938:                             '<resource id="2" src="" type="finish"></resource>'."\n".
  939:                             '</map>';
  940:             $env{'form.output'}=$newmapstr;
  941:             my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
  942:                                                 'output',$1.$2);
  943:             if ($result != m|^/uploaded/|) {
  944:                 $errtext.='Map not saved: A network error occurred when trying to save the new map. ';
  945:                 $fatal = 2;
  946:             }
  947:             if ($fatal) {
  948:                 return ($errtext,$fatal);
  949:             }
  950:         }
  951: 	if ($url) {
  952: 	    if (!$residx 
  953: 		|| defined($LONCAPA::map::zombies[$residx])) {
  954: 		$residx = &LONCAPA::map::getresidx($url,$residx);
  955: 		push(@LONCAPA::map::order, $residx);
  956: 	    }
  957: 	    my $ext = 'false';
  958: 	    if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
  959: 	    $url  = &LONCAPA::map::qtunescape($url);
  960: 	    $name = &LONCAPA::map::qtunescape($name);
  961: 	    $LONCAPA::map::resources[$residx] = 
  962: 		join(':', ($name, $url, $ext, 'normal', 'res'));
  963: 	}
  964:     }
  965:     return &storemap($coursenum, $coursedom, $folder.'.'.$container);
  966: }
  967: 
  968: sub breadcrumbs {
  969:     my ($where,$allowed,$type)=@_;
  970:     &Apache::lonhtmlcommon::clear_breadcrumbs();
  971:     my (@folders);
  972:     if ($env{'form.pagepath'}) {
  973:         @folders = split('&',$env{'form.pagepath'});
  974:     } else {
  975:         @folders=split('&',$env{'form.folderpath'});
  976:     }
  977:     my $folderpath;
  978:     my $cpinfo='';
  979:     my $plain='';
  980:     my $randompick=-1;
  981:     my $isencrypted=0;
  982:     my $ishidden=0;
  983:     my $is_random_order=0;
  984:     while (@folders) {
  985: 	my $folder=shift(@folders);
  986:     	my $foldername=shift(@folders);
  987: 	if ($folderpath) {$folderpath.='&';}
  988: 	$folderpath.=$folder.'&'.$foldername;
  989: 	my $url='/adm/coursedocs?folderpath='.
  990: 	    &escape($folderpath);
  991: 	    my $name=&unescape($foldername);
  992: # randompick number, hidden, encrypted, random order, is appended with ":"s to the foldername	
  993:  	    $name=~s/\:(\d*)\:(\w*)\:(\w*):(\d*)$//;
  994: 	    if ($1 ne '') { 
  995:                $randompick=$1;
  996:             } else {
  997:                $randompick=-1;
  998:             }
  999:             if ($2) { $ishidden=1; }
 1000:             if ($3) { $isencrypted=1; }
 1001: 	    if ($4 ne '') { $is_random_order = 1; }
 1002:             if ($folder eq 'supplemental') {
 1003:                 if ($allowed) {
 1004:                     $name = &mt('Supplemental '.$type.' Documents');
 1005:                 } else {
 1006:                     $name = &mt($type.' Documents');
 1007:                 }
 1008:             }
 1009: 	    &Apache::lonhtmlcommon::add_breadcrumb(
 1010: 		      {'href'=>$url.$cpinfo,
 1011: 		       'title'=>$name,
 1012: 		       'text'=>'<font size="+1">'.
 1013: 			   $name.'</font>',
 1014: 		       'no_mt'=>1,
 1015: 		       });
 1016: 	$plain.=$name.' &gt; ';
 1017:     }
 1018:     $plain=~s/\&gt\;\s*$//;
 1019:     return (&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'nohelp',
 1020: 					       'LC_docs_path'),$randompick,$ishidden,$isencrypted,$plain,$is_random_order);
 1021: }
 1022: 
 1023: sub log_docs {
 1024:     return &Apache::lonnet::instructor_log('docslog',@_);
 1025: }
 1026: 
 1027: {
 1028:     my @oldresources=();
 1029:     my @oldorder=();
 1030:     my $parmidx;
 1031:     my %parmaction=();
 1032:     my %parmvalue=();
 1033:     my $changedflag;
 1034: 
 1035:     sub snapshotbefore {
 1036:         @oldresources=@LONCAPA::map::resources;
 1037:         @oldorder=@LONCAPA::map::order;
 1038:         $parmidx=undef;
 1039:         %parmaction=();
 1040:         %parmvalue=();
 1041:         $changedflag=0;
 1042:     }
 1043: 
 1044:     sub remember_parms {
 1045:         my ($idx,$parameter,$action,$value)=@_;
 1046:         $parmidx=$idx;
 1047:         $parmaction{$parameter}=$action;
 1048:         $parmvalue{$parameter}=$value;
 1049:         $changedflag=1;
 1050:     }
 1051: 
 1052:     sub log_differences {
 1053:         my ($plain)=@_;
 1054:         my %storehash=('folder' => $plain,
 1055:                        'currentfolder' => $env{'form.folder'});
 1056:         if ($parmidx) {
 1057:            $storehash{'parameter_res'}=$oldresources[$parmidx];
 1058:            foreach my $parm (keys %parmaction) {
 1059:               $storehash{'parameter_action_'.$parm}=$parmaction{$parm};
 1060:               $storehash{'parameter_value_'.$parm}=$parmvalue{$parm};
 1061:            }
 1062:         }
 1063:         my $maxidx=$#oldresources;
 1064:         if ($#LONCAPA::map::resources>$#oldresources) {
 1065:            $maxidx=$#LONCAPA::map::resources;
 1066:         }
 1067:         for (my $idx=0; $idx<=$maxidx; $idx++) {
 1068:            if ($LONCAPA::map::resources[$idx] ne $oldresources[$idx]) {
 1069:               $storehash{'before_resources_'.$idx}=$oldresources[$idx];
 1070:               $storehash{'after_resources_'.$idx}=$LONCAPA::map::resources[$idx];
 1071:               $changedflag=1;
 1072:            }
 1073:            if ($LONCAPA::map::order[$idx] ne $oldorder[$idx]) {
 1074:               $storehash{'before_order_res_'.$idx}=$oldresources[$oldorder[$idx]];
 1075:               $storehash{'after_order_res_'.$idx}=$LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1076:               $changedflag=1;
 1077:            }
 1078:         }
 1079: 	$storehash{'maxidx'}=$maxidx;
 1080:         if ($changedflag) { &log_docs(\%storehash); }
 1081:     }
 1082: }
 1083: 
 1084: 
 1085: #
 1086: # Docs Change Log
 1087: #
 1088: sub docs_change_log {
 1089:     my ($r)=@_;
 1090:     my $folder=$env{'form.folder'};
 1091:     $r->print(&Apache::loncommon::start_page('Course Document Change Log'));
 1092:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Document Change Log'));
 1093:     my %docslog=&Apache::lonnet::dump('nohist_docslog',
 1094:                                       $env{'course.'.$env{'request.course.id'}.'.domain'},
 1095:                                       $env{'course.'.$env{'request.course.id'}.'.num'});
 1096: 
 1097:     if ((keys(%docslog))[0]=~/^error\:/) { undef(%docslog); }
 1098: 
 1099:     $r->print('<form action="/adm/coursedocs" method="post" name="docslog">'.
 1100:               '<input type="hidden" name="docslog" value="1" />');
 1101: 
 1102:     my %saveable_parameters = ('show' => 'scalar',);
 1103:     &Apache::loncommon::store_course_settings('docs_log',
 1104:                                               \%saveable_parameters);
 1105:     &Apache::loncommon::restore_course_settings('docs_log',
 1106:                                                 \%saveable_parameters);
 1107:     if (!$env{'form.show'}) { $env{'form.show'}=10; }
 1108:     my %lt=('hiddenresource' => 'Resources hidden',
 1109: 	    'encrypturl'     => 'URL hidden',
 1110: 	    'randompick'     => 'Randomly pick',
 1111: 	    'randomorder'    => 'Randomly ordered',
 1112: 	    'set'            => 'set to',
 1113: 	    'del'            => 'deleted');
 1114:     $r->print(&Apache::loncommon::display_filter().
 1115:               '<input type="hidden" name="folder" value="'.$folder.'" />'.
 1116:               '<input type="submit" value="'.&mt('Display').'" /></form>');
 1117:     $r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
 1118:               '<th>'.&mt('Time').'</th><th>'.&mt('User').'</th><th>'.&mt('Folder').'</th><th>'.&mt('Before').'</th><th>'.
 1119:               &mt('After').'</th>'.
 1120:               &Apache::loncommon::end_data_table_header_row());
 1121:     my $shown=0;
 1122:     foreach my $id (sort { $docslog{$b}{'exe_time'}<=>$docslog{$a}{'exe_time'} } (keys(%docslog))) {
 1123: 	if ($env{'form.displayfilter'} eq 'currentfolder') {
 1124: 	    if ($docslog{$id}{'logentry'}{'currentfolder'} ne $folder) { next; }
 1125: 	}
 1126:         my @changes=keys(%{$docslog{$id}{'logentry'}});
 1127:         if ($env{'form.displayfilter'} eq 'containing') {
 1128: 	    my $wholeentry=$docslog{$id}{'exe_uname'}.':'.$docslog{$id}{'exe_udom'}.':'.
 1129: 		&Apache::loncommon::plainname($docslog{$id}{'exe_uname'},$docslog{$id}{'exe_udom'});
 1130: 	    foreach my $key (@changes) {
 1131: 		$wholeentry.=':'.$docslog{$id}{'logentry'}{$key};
 1132: 	    }
 1133: 	    if ($wholeentry!~/\Q$env{'form.containingphrase'}\E/i) { next; }         
 1134: 	}
 1135:         my $count = 0;
 1136:         my $time =
 1137:             &Apache::lonlocal::locallocaltime($docslog{$id}{'exe_time'});
 1138:         my $plainname =
 1139:             &Apache::loncommon::plainname($docslog{$id}{'exe_uname'},
 1140:                                           $docslog{$id}{'exe_udom'});
 1141:         my $about_me_link =
 1142:             &Apache::loncommon::aboutmewrapper($plainname,
 1143:                                                $docslog{$id}{'exe_uname'},
 1144:                                                $docslog{$id}{'exe_udom'});
 1145:         my $send_msg_link='';
 1146:         if ((($docslog{$id}{'exe_uname'} ne $env{'user.name'})
 1147:              || ($docslog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
 1148:             $send_msg_link ='<br />'.
 1149:                 &Apache::loncommon::messagewrapper(&mt('Send message'),
 1150:                                                    $docslog{$id}{'exe_uname'},
 1151:                                                    $docslog{$id}{'exe_udom'});
 1152:         }
 1153:         $r->print(&Apache::loncommon::start_data_table_row());
 1154:         $r->print('<td>'.$time.'</td>
 1155:                        <td>'.$about_me_link.
 1156:                   '<br /><tt>'.$docslog{$id}{'exe_uname'}.
 1157:                                   ':'.$docslog{$id}{'exe_udom'}.'</tt>'.
 1158:                   $send_msg_link.'</td><td>'.
 1159:                   $docslog{$id}{'logentry'}{'folder'}.'</td><td>');
 1160: # Before
 1161: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1162: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1163: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1164: 	    if ($oldname ne $newname) {
 1165: 		$r->print(&LONCAPA::map::qtescape($oldname));
 1166: 	    }
 1167: 	}
 1168: 	$r->print('<ul>');
 1169: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1170:             if ($docslog{$id}{'logentry'}{'before_order_res_'.$idx}) {
 1171: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'before_order_res_'.$idx}))[0]).'</li>');
 1172: 	    }
 1173: 	}
 1174: 	$r->print('</ul>');
 1175: # After
 1176:         $r->print('</td><td>');
 1177: 
 1178: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1179: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1180: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1181: 	    if ($oldname ne '' && $oldname ne $newname) {
 1182: 		$r->print(&LONCAPA::map::qtescape($newname));
 1183: 	    }
 1184: 	}        
 1185: 	$r->print('<ul>');
 1186: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1187:             if ($docslog{$id}{'logentry'}{'after_order_res_'.$idx}) {
 1188: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'after_order_res_'.$idx}))[0]).'</li>');
 1189: 	    }
 1190: 	}
 1191: 	$r->print('</ul>');
 1192: 	if ($docslog{$id}{'logentry'}{'parameter_res'}) {
 1193: 	    $r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':<ul>');
 1194: 	    foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder') {
 1195: 		if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
 1196: 		    $r->print('<li>'.
 1197: 			      &mt($lt{$parameter}.' '.$lt{$docslog{$id}{'logentry'}{'parameter_action_'.$parameter}}.' [_1]',
 1198: 				  $docslog{$id}{'logentry'}{'parameter_value_'.$parameter})
 1199: 			      .'</li>');
 1200: 		}
 1201: 	    }
 1202: 	    $r->print('</ul>');
 1203: 	}
 1204: # End
 1205:         $r->print('</td>'.&Apache::loncommon::end_data_table_row());
 1206:         $shown++;
 1207:         if (!($env{'form.show'} eq &mt('all')
 1208:               || $shown<=$env{'form.show'})) { last; }
 1209:     }
 1210:     $r->print(&Apache::loncommon::end_data_table());
 1211: }
 1212: 
 1213: sub update_paste_buffer {
 1214:     my ($coursenum,$coursedom) = @_;
 1215: 
 1216:     return if (!defined($env{'form.markcopy'}));
 1217:     return if (!defined($env{'form.copyfolder'}));
 1218:     return if ($env{'form.markcopy'} < 0);
 1219: 
 1220:     my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
 1221: 				    $env{'form.copyfolder'});
 1222:     
 1223:     return if ($fatal);
 1224: 
 1225: # Mark for copying
 1226:     my ($title,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$env{'form.markcopy'}]]);
 1227:     if (&is_supplemental_title($title)) {
 1228:         &Apache::lonnet::appenv({'docs.markedcopy_supplemental' => $title});
 1229: 	($title) = &parse_supplemental_title($title);
 1230:     } elsif ($env{'docs.markedcopy_supplemental'}) {
 1231:         &Apache::lonnet::delenv('docs\\.markedcopy_supplemental');
 1232:     }
 1233:     $url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
 1234: 
 1235:     &Apache::lonnet::appenv({'docs.markedcopy_title' => $title,
 1236: 			    'docs.markedcopy_url'   => $url});
 1237:     delete($env{'form.markcopy'});
 1238: }
 1239: 
 1240: sub print_paste_buffer {
 1241:     my ($r,$container) = @_;
 1242:     return if (!defined($env{'docs.markedcopy_url'}));
 1243: 
 1244:     $r->print(<<ENDPASTE);
 1245: <form name="pasteform" action="/adm/coursedocs" method="post"><p>
 1246: ENDPASTE
 1247:     $r->print('<input type="submit" name="pastemarked" value="'.&mt('Paste').'" /> ');
 1248: 
 1249:     my $type;
 1250:     if ($env{'docs.markedcopy_url'} =~ m{^(?:/adm/wrapper/ext|(?:http|https)(?:&colon;|:))//} ) {
 1251: 	$type = &mt('External Resource');
 1252: 	$r->print($type.': '.
 1253: 		  &LONCAPA::map::qtescape($env{'docs.markedcopy_title'}).' ('.
 1254: 		  &LONCAPA::map::qtescape($env{'docs.markedcopy_url'}).')');
 1255:     }  else {
 1256: 	my $extension = (split(/\./,$env{'docs.markedcopy_url'}))[-1];
 1257: 	my $icon = &Apache::loncommon::icon($extension);
 1258: 	if ($extension eq 'sequence' &&
 1259: 	    $env{'docs.markedcopy_url'} =~ m{/default_\d+\.sequence$ }x) {
 1260: 	    $icon = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
 1261: 	    $icon .= '/folder_closed.gif';
 1262: 	}
 1263: 	$icon = '<img src="'.$icon.'" alt="" class="LC_icon" />';
 1264: 	$r->print($icon.$type.': '.  &parse_supplemental_title(&LONCAPA::map::qtescape($env{'docs.markedcopy_title'})));
 1265:     }
 1266:     if ($container eq 'page') {
 1267: 	$r->print('
 1268: 	<input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />
 1269: 	<input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />
 1270: ');
 1271:     } else {
 1272: 	$r->print('
 1273:         <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
 1274: ');
 1275:     }
 1276:     $r->print('</p></form>');
 1277: }
 1278: 
 1279: sub do_paste_from_buffer {
 1280:     my ($coursenum,$coursedom,$folder) = @_;
 1281: 
 1282:     return 0 if (!$env{'form.pastemarked'});
 1283: 
 1284: # paste resource to end of list
 1285:     my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url'});
 1286:     my $title=&LONCAPA::map::qtescape($env{'docs.markedcopy_title'});
 1287: # Maps need to be copied first
 1288:     if (($url=~/\.(page|sequence)$/) && ($url=~/^\/uploaded\//)) {
 1289: 	$title=&mt('Copy of').' '.$title;
 1290:         my $newid=$$.int(rand(100)).time;
 1291: 	my ($oldid,$ext) = ($url=~/^(.+)\.(\w+)$/);
 1292:         if ($oldid =~ m{^(/uploaded/\Q$coursedom\E/\Q$coursenum\E/)(\D+)(\d+)$}) {
 1293:             my $path = $1;
 1294:             my $prefix = $2;
 1295:             my $ancestor = $3;
 1296:             if (length($ancestor) > 10) {
 1297:                 $ancestor = substr($ancestor,-10,10);
 1298:             }
 1299:             $oldid = $path.$prefix.$ancestor;
 1300:         }
 1301:         my $counter = 0;
 1302:         my $newurl=$oldid.$newid.'.'.$ext;
 1303:         my $is_unique = &uniqueness_check($newurl);
 1304:         while (!$is_unique && $counter < 100) {
 1305:             $counter ++;
 1306:             $newid ++;
 1307:             $newurl = $oldid.$newid;
 1308:             $is_unique = &uniqueness_check($newurl);
 1309:         }
 1310:         if (!$is_unique) {
 1311:             if ($url=~/\.page$/) {
 1312:                 return &mt('Paste failed: an error occurred creating a unique URL for the composite page');
 1313:             } else {
 1314:                 return &mt('Paste failed: an error occurred creating a unique URL for the folder');
 1315:             }
 1316:         }
 1317: 	my $storefn=$newurl;
 1318: 	$storefn=~s{^/\w+/$match_domain/$match_username/}{};
 1319: 	&Apache::lonclonecourse::writefile($env{'request.course.id'},$storefn,
 1320: 					   &Apache::lonnet::getfile($url));
 1321: 	$url = $newurl;
 1322:     }
 1323: # published maps can only exists once, so remove it from paste buffer when done
 1324:     if (($url=~/\.(page|sequence)$/) && ($url=~m {^/res/})) {
 1325: 	&Apache::lonnet::delenv('docs\\.markedcopy');
 1326:     }
 1327:     if ($url=~ m{/smppg$}) {
 1328: 	my $db_name = &Apache::lonsimplepage::get_db_name($url);
 1329: 	if ($db_name =~ /^smppage_/) {
 1330: 	    #simple pages, need to copy the db contents to a new one.
 1331: 	    my %contents=&Apache::lonnet::dump($db_name,$coursedom,$coursenum);
 1332: 	    my $now = time();
 1333: 	    $db_name =~ s{_\d*$ }{_$now}x;
 1334: 	    my $result=&Apache::lonnet::put($db_name,\%contents,
 1335: 					    $coursedom,$coursenum);
 1336: 	    $url =~ s{/(\d*)/smppg$ }{/$now/smppg}x; 
 1337: 	    $title=&mt('Copy of').' '.$title;
 1338: 	}
 1339:     }
 1340:     $title = &LONCAPA::map::qtunescape($title);
 1341:     my $ext='false';
 1342:     if ($url=~m{^http(|s)://}) { $ext='true'; }
 1343:     $url       = &LONCAPA::map::qtunescape($url);
 1344: # Now insert the URL at the bottom
 1345:     my $newidx = &LONCAPA::map::getresidx($url);
 1346:     if ($env{'docs.markedcopy_supplemental'}) {
 1347:         if ($folder =~ /^supplemental/) {
 1348:             $title = $env{'docs.markedcopy_supplemental'};
 1349:         } else {
 1350:             (undef,undef,$title) = 
 1351:                 &parse_supplemental_title($env{'docs.markedcopy_supplemental'});
 1352:         }
 1353:     } else {
 1354:         if ($folder=~/^supplemental/) {
 1355:            $title=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1356:                   $env{'user.domain'}.'___&&&___'.$title;
 1357:         }
 1358:     }
 1359: 
 1360:     $LONCAPA::map::resources[$newidx]= 	$title.':'.$url.':'.$ext.':normal:res';
 1361:     push(@LONCAPA::map::order, $newidx);
 1362: # Store the result
 1363: }
 1364: 
 1365: sub uniqueness_check {
 1366:     my ($newurl) = @_;
 1367:     my $unique = 1;
 1368:     foreach my $res (@LONCAPA::map::order) {
 1369:         my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
 1370:         $url=&LONCAPA::map::qtescape($url);
 1371:         if ($newurl eq $url) {
 1372:             $unique = 0;
 1373:             last;    
 1374:         }
 1375:     }
 1376:     return $unique;
 1377: }
 1378: 
 1379: my %parameter_type = ( 'randompick'     => 'int_pos',
 1380: 		       'hiddenresource' => 'string_yesno',
 1381: 		       'encrypturl'     => 'string_yesno',
 1382: 		       'randomorder'    => 'string_yesno',);
 1383: my $valid_parameters_re = join('|',keys(%parameter_type));
 1384: # set parameters
 1385: sub update_parameter {
 1386: 
 1387:     return 0 if ($env{'form.changeparms'} !~ /^($valid_parameters_re)$/);
 1388: 
 1389:     my $which = $env{'form.changeparms'};
 1390:     my $idx = $env{'form.setparms'};
 1391:     if ($env{'form.'.$which.'_'.$idx}) {
 1392: 	my $value = ($which eq 'randompick') ? $env{'form.'.$which.'_'.$idx}
 1393: 	                                     : 'yes';
 1394: 	&LONCAPA::map::storeparameter($idx, 'parameter_'.$which, $value,
 1395: 				      $parameter_type{$which});
 1396: 	&remember_parms($idx,$which,'set',$value);
 1397:     } else {
 1398: 	&LONCAPA::map::delparameter($idx,'parameter_'.$which);
 1399: 	
 1400: 	&remember_parms($idx,$which,'del');
 1401:     }
 1402:     return 1;
 1403: }
 1404: 
 1405: 
 1406: sub handle_edit_cmd {
 1407:     my ($coursenum,$coursedom) =@_;
 1408: 
 1409:     my ($cmd,$idx)=split('_',$env{'form.cmd'});
 1410: 
 1411:     my $ratstr = $LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1412:     my ($title, $url, @rrest) = split(':', $ratstr);
 1413: 
 1414:     if ($cmd eq 'del') {
 1415: 	if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
 1416: 	    ($url!~/\.(page|sequence|problem|exam|quiz|assess|survey|form|library|task)$/)) {
 1417: 	    &Apache::lonnet::removeuploadedurl($url);
 1418: 	} else {
 1419: 	    &LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1420: 	}
 1421: 	splice(@LONCAPA::map::order, $idx, 1);
 1422: 
 1423:     } elsif ($cmd eq 'cut') {
 1424: 	&LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1425: 	splice(@LONCAPA::map::order, $idx, 1);
 1426: 
 1427:     } elsif ($cmd eq 'up' 
 1428: 	     && ($idx) && (defined($LONCAPA::map::order[$idx-1]))) {
 1429: 	@LONCAPA::map::order[$idx-1,$idx] = @LONCAPA::map::order[$idx,$idx-1];
 1430: 
 1431:     } elsif ($cmd eq 'down'
 1432: 	     && defined($LONCAPA::map::order[$idx+1])) {
 1433: 	@LONCAPA::map::order[$idx+1,$idx] = @LONCAPA::map::order[$idx,$idx+1];
 1434: 
 1435:     } elsif ($cmd eq 'rename') {
 1436: 
 1437: 	my $comment = &LONCAPA::map::qtunescape($env{'form.title'});
 1438: 	if ($comment=~/\S/) {
 1439: 	    $LONCAPA::map::resources[$LONCAPA::map::order[$idx]]=
 1440: 		$comment.':'.join(':', $url, @rrest);
 1441: 	}
 1442: # Devalidate title cache
 1443: 	my $renamed_url=&LONCAPA::map::qtescape($url);
 1444: 	&Apache::lonnet::devalidate_title_cache($renamed_url);
 1445:     } else {
 1446: 	return 0;
 1447:     }
 1448:     return 1;
 1449: }
 1450: 
 1451: sub editor {
 1452:     my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output,$type)=@_;
 1453: 
 1454:     my $container= ($env{'form.pagepath'}) ? 'page'
 1455: 		                           : 'sequence';
 1456: 
 1457:     my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
 1458: 				    $folder.'.'.$container);
 1459:     return $errtext if ($fatal);
 1460: 
 1461:     if ($#LONCAPA::map::order<1) {
 1462: 	my $idx=&LONCAPA::map::getresidx();
 1463: 	if ($idx<=0) { $idx=1; }
 1464:        	$LONCAPA::map::order[0]=$idx;
 1465:         $LONCAPA::map::resources[$idx]='';
 1466:     }
 1467:     
 1468:     my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,$is_random_order)=
 1469: 	&breadcrumbs($folder,$allowed,$type);
 1470:     $r->print($breadcrumbtrail);
 1471:     
 1472: # ------------------------------------------------------------ Process commands
 1473: 
 1474: # ---------------- if they are for this folder and user allowed to make changes
 1475:     if (($allowed) && ($env{'form.folder'} eq $folder)) {
 1476: # set parameters and change order
 1477: 	&snapshotbefore();
 1478: 
 1479: 	if (&update_parameter()) {
 1480: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1481: 	    return $errtext if ($fatal);
 1482: 	}
 1483: 
 1484: 	if ($env{'form.newpos'} && $env{'form.currentpos'}) {
 1485: # change order
 1486: 	    my $res = splice(@LONCAPA::map::order,$env{'form.currentpos'}-1,1);
 1487: 	    splice(@LONCAPA::map::order,$env{'form.newpos'}-1,0,$res);
 1488: 
 1489: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1490: 	    return $errtext if ($fatal);
 1491: 	}
 1492: 	    
 1493: 	if ($env{'form.pastemarked'}) {
 1494: 	    &do_paste_from_buffer($coursenum,$coursedom,$folder);
 1495: 	    ($errtext,$fatal) = &storemap($coursenum,$coursedom,$folder.'.'.$container);
 1496: 	    return $errtext if ($fatal);
 1497: 	}
 1498: 
 1499: 	$r->print($upload_output);
 1500: 
 1501: 	if (&handle_edit_cmd()) {
 1502: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1503: 	    return $errtext if ($fatal);
 1504: 	}
 1505: # Group import/search
 1506: 	if ($env{'form.importdetail'}) {
 1507: 	    my @imports;
 1508: 	    foreach (split(/\&/,$env{'form.importdetail'})) {
 1509: 		if (defined($_)) {
 1510: 		    my ($name,$url,$residx)=
 1511: 			map {&unescape($_)} split(/\=/,$_);
 1512: 		    push(@imports, [$name, $url, $residx]);
 1513: 		}
 1514: 	    }
 1515: 	    ($errtext,$fatal)=&group_import($coursenum, $coursedom, $folder,
 1516: 					    $container,'londocs',@imports);
 1517: 	    return $errtext if ($fatal);
 1518: 	}
 1519: # Loading a complete map
 1520: 	if ($env{'form.loadmap'}) {
 1521: 	    if ($env{'form.importmap'}=~/\w/) {
 1522: 		foreach my $res (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$env{'form.importmap'}))) {
 1523: 		    my ($title,$url,$ext,$type)=split(/\:/,$res);
 1524: 		    my $idx=&LONCAPA::map::getresidx($url);
 1525: 		    $LONCAPA::map::resources[$idx]=$res;
 1526: 		    $LONCAPA::map::order[$#LONCAPA::map::order+1]=$idx;
 1527: 		}
 1528: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1529: 					    $folder.'.'.$container);
 1530: 		return $errtext if ($fatal);
 1531: 	    } else {
 1532: 		$r->print('<p><span class="LC_error">'.&mt('No map selected.').'</span></p>');
 1533: 		
 1534: 	    }
 1535: 	}
 1536: 	&log_differences($plain);
 1537:     }
 1538: # ---------------------------------------------------------------- End commands
 1539: # ---------------------------------------------------------------- Print screen
 1540:     my $idx=0;
 1541:     my $shown=0;
 1542:     if (($ishidden) || ($isencrypted) || ($randompick>=0) || ($is_random_order)) {
 1543: 	$r->print('<p>'.&mt('Parameters').':<ul>'.
 1544: 		  ($randompick>=0?'<li>'.&mt('randomly pick [_1] resources',$randompick).'</li>':'').
 1545: 		  ($ishidden?'<li>'.&mt('contents hidden').'</li>':'').
 1546: 		  ($isencrypted?'<li>'.&mt('URLs hidden').'</li>':'').
 1547: 		  '</ul></p>');
 1548:     }                                                                                                     
 1549:     if ($randompick>=0) {
 1550: 	$r->print('<p>'.&mt('Caution: this folder is set to randomly pick a subset of resources. Adding or removing resources from this folder will change the set of resources that the students see, resulting in spurious or missing credit for completed problems, not limited to ones you modify. Do not modify the contents of this folder if it is in active student use.').'</p>');
 1551:     }
 1552:     if ($is_random_order) {
 1553: 	$r->print('<p>'.&mt('Caution: this folder is set to randomly order its contents. Adding or removing resources from this folder will change the order of resources shown.').'</p>');
 1554:     }
 1555:     $r->print('<table class="LC_docs_editor">');
 1556:     foreach my $res (@LONCAPA::map::order) {
 1557: 	my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
 1558: 	$name=&LONCAPA::map::qtescape($name);
 1559: 	$url=&LONCAPA::map::qtescape($url);
 1560: 	unless ($name) {  $name=(split(/\//,$url))[-1]; }
 1561: 	unless ($name) { $idx++; next; }
 1562: 	$r->print(&entryline($idx,$name,$url,$folder,$allowed,$res,
 1563: 			     $coursenum));
 1564: 	$idx++;
 1565: 	$shown++;
 1566:     }
 1567:     unless ($shown) {
 1568: 	$r->print('<tr><td>'.&mt('Currently no documents.').'</td></tr>');
 1569:     }
 1570:     $r->print("\n</table>\n");
 1571:     if ($allowed) {
 1572:         &print_paste_buffer($r,$container);
 1573:     }
 1574:     return;
 1575: }
 1576: 
 1577: sub process_file_upload {
 1578:     my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd) = @_;
 1579: # upload a file, if present
 1580:     my $parseaction;
 1581:    if ($env{'form.parserflag'}) {
 1582:         $parseaction = 'parse';
 1583:     }
 1584:     my $phase_status;
 1585:     my $folder=$env{'form.folder'};
 1586:     if ($folder eq '') {
 1587:         $folder='default';
 1588:     }
 1589:     if ( ($folder=~/^$uploadcmd/) || ($uploadcmd eq 'default') ) {
 1590:         my $errtext='';
 1591:         my $fatal=0;
 1592:         my $container='sequence';
 1593:         if ($env{'form.pagepath'}) {
 1594:             $container='page';
 1595:         }
 1596:         ($errtext,$fatal)=
 1597:               &mapread($coursenum,$coursedom,$folder.'.'.$container);
 1598:         if ($#LONCAPA::map::order<1) {
 1599:             $LONCAPA::map::order[0]=1;
 1600:             $LONCAPA::map::resources[1]='';
 1601:         }
 1602:         if ($fatal) {
 1603:             return 'failed';
 1604:         }
 1605:         my $destination = 'docs/';
 1606:         if ($folder =~ /^supplemental/) {
 1607:             $destination = 'supplemental/';
 1608:         }
 1609:         if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1610:             $destination .= 'default/';
 1611:         } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1612:             $destination .=  $2.'/';
 1613:         }
 1614: # this is for a course, not a user, so set coursedoc flag
 1615: # probably the only place in the system where this should be "1"
 1616:         my $newidx=&LONCAPA::map::getresidx();
 1617:         $destination .= $newidx;
 1618:         my $url=&Apache::lonnet::userfileupload('uploaddoc',1,$destination,
 1619: 						$parseaction,$allfiles,
 1620: 						$codebase);
 1621:         my $ext='false';
 1622:         if ($url=~m{^http://}) { $ext='true'; }
 1623: 	$url     = &LONCAPA::map::qtunescape($url);
 1624:         my $comment=$env{'form.comment'};
 1625: 	$comment = &LONCAPA::map::qtunescape($comment);
 1626:         if ($folder=~/^supplemental/) {
 1627:               $comment=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1628:                   $env{'user.domain'}.'___&&&___'.$comment;
 1629:         }
 1630: 
 1631:         $LONCAPA::map::resources[$newidx]=
 1632: 	    $comment.':'.$url.':'.$ext.':normal:res';
 1633:         $LONCAPA::map::order[$#LONCAPA::map::order+1]= $newidx;
 1634:         ($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1635: 				    $folder.'.'.$container);
 1636:         if ($fatal) {
 1637:             $$upload_output .= '<p><span class="LC_error">'.$errtext.'</span></p>';
 1638:             return 'failed';
 1639:         } else {
 1640:             if ($parseaction eq 'parse') {
 1641:                 my $total_embedded = keys(%{$allfiles});
 1642:                 if ($total_embedded > 0) {
 1643:                     my $num = 0;
 1644: 		    my $state = '
 1645:    <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
 1646:    <input type="hidden" name="cmd" value="upload_embedded" />
 1647:    <input type="hidden" name="newidx" value="'.$newidx.'" />
 1648:    <input type="hidden" name="primaryurl" value="'.&escape($url).'" />
 1649:    <input type="hidden" name="phasetwo" value="'.$total_embedded.'" />';
 1650: 		    $phase_status = 'phasetwo';
 1651: 
 1652:                     $$upload_output .= 
 1653: 			'This file contains embedded multimedia objects, which need to be uploaded to LON-CAPA.<br />'.
 1654: 			&Apache::loncommon::ask_for_embedded_content(
 1655:                             '/adm/coursedocs',$state,$allfiles,$codebase);
 1656:                 } else {
 1657:                     $$upload_output .= 'No embedded items identified<br />';
 1658:                 }
 1659:             }
 1660:         }
 1661:     }
 1662:     return $phase_status;
 1663: }
 1664: 
 1665: sub process_secondary_uploads {
 1666:     my ($upload_output,$coursedom,$coursenum,$formname,$num,$newidx) = @_;
 1667:     my $folder=$env{'form.folder'};
 1668:     my $destination = 'docs/';
 1669:     if ($folder =~ /^supplemental/) {
 1670:         $destination = 'supplemental/';
 1671:     }
 1672:     if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1673:         $destination .= 'default/';
 1674:     } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1675:         $destination .=  $2.'/';
 1676:     }
 1677:     $destination .= $newidx;
 1678:     my ($url,$filename);
 1679:     $url=&Apache::lonnet::userfileupload($formname.$num,1,$destination);
 1680:     ($filename) = ($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/\Q$destination\E/(.+)$});
 1681:     return $filename;
 1682: }
 1683: 
 1684: sub is_supplemental_title {
 1685:     my ($title) = @_;
 1686:     return scalar($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/);
 1687: }
 1688: 
 1689: sub parse_supplemental_title {
 1690:     my ($title) = @_;
 1691: 
 1692:     my ($foldertitle,$renametitle);
 1693:     if ($title =~ /&amp;&amp;&amp;/) {
 1694: 	$title = &HTML::Entites::decode($title);
 1695:     }
 1696:  if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
 1697: 	$renametitle=$4;
 1698: 	my ($time,$uname,$udom) = ($1,$2,$3);
 1699: 	$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
 1700: 	my $name =  &Apache::loncommon::plainname($uname,$udom);
 1701: 	$name = &HTML::Entities::encode($name,'"<>&\'');
 1702: 	$title='<i>'.&Apache::lonlocal::locallocaltime($time).'</i> '.
 1703: 	    $name.': <br />'.$foldertitle;
 1704:     }
 1705:     if (wantarray) {
 1706: 	return ($title,$foldertitle,$renametitle);
 1707:     } 
 1708:     return $title;
 1709: }
 1710: 
 1711: # --------------------------------------------------------------- An entry line
 1712: 
 1713: sub entryline {
 1714:     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum)=@_;
 1715: 
 1716:     my ($foldertitle,$pagetitle,$renametitle);
 1717:     if (&is_supplemental_title($title)) {
 1718: 	($title,$foldertitle,$renametitle) = &parse_supplemental_title($title);
 1719: 	$pagetitle = $foldertitle;
 1720:     } else {
 1721: 	$title=&HTML::Entities::encode($title,'"<>&\'');
 1722: 	$renametitle=$title;
 1723: 	$foldertitle=$title;
 1724: 	$pagetitle=$title;
 1725:     }
 1726: 
 1727:     my $orderidx=$LONCAPA::map::order[$index];
 1728:     
 1729: 
 1730:     $renametitle=~s/\\/\\\\/g;
 1731:     $renametitle=~s/\&quot\;/\\\"/g;
 1732:     $renametitle=~s/ /%20/g;
 1733:     my $line='<tr>';
 1734:     my ($form_start,$form_end);
 1735: # Edit commands
 1736:     my ($container, $type, $esc_path, $path, $symb);
 1737:     if ($env{'form.folderpath'}) {
 1738: 	$type = 'folder';
 1739:         $container = 'sequence';
 1740: 	$esc_path=&escape($env{'form.folderpath'});
 1741: 	$path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 1742: 	# $htmlfoldername=&HTML::Entities::encode($env{'form.foldername'},'<>&"');
 1743:     }
 1744:     if ($env{'form.pagepath'}) {
 1745:         $type = $container = 'page';
 1746:         $esc_path=&escape($path = $env{'form.pagepath'});
 1747: 	$path = &HTML::Entities::encode($env{'form.pagepath'},'<>&"');
 1748:         $symb=&escape($env{'form.pagesymb'});
 1749:     }
 1750:     my $cpinfo='';
 1751:     if ($allowed) {
 1752: 	my $incindex=$index+1;
 1753: 	my $selectbox='';
 1754: 	if (($folder!~/^supplemental/) &&
 1755: 	    ($#LONCAPA::map::order>0) && 
 1756: 	    ((split(/\:/,
 1757: 	     $LONCAPA::map::resources[$LONCAPA::map::order[0]]))[1] 
 1758: 	     ne '') && 
 1759: 	    ((split(/\:/,
 1760: 	     $LONCAPA::map::resources[$LONCAPA::map::order[1]]))[1] 
 1761: 	     ne '')) {
 1762: 	    $selectbox=
 1763: 		'<input type="hidden" name="currentpos" value="'.$incindex.'" />'.
 1764: 		'<select name="newpos" onChange="this.form.submit()">';
 1765: 	    for (my $i=1;$i<=$#LONCAPA::map::order+1;$i++) {
 1766: 		if ($i==$incindex) {
 1767: 		    $selectbox.='<option value="" selected="1">('.$i.')</option>';
 1768: 		} else {
 1769: 		    $selectbox.='<option value="'.$i.'">'.$i.'</option>';
 1770: 		}
 1771: 	    }
 1772: 	    $selectbox.='</select>';
 1773: 	}
 1774: 	my %lt=&Apache::lonlocal::texthash(
 1775:                 'up' => 'Move Up',
 1776: 		'dw' => 'Move Down',
 1777: 		'rm' => 'Remove',
 1778:                 'ct' => 'Cut',
 1779: 		'rn' => 'Rename',
 1780: 		'cp' => 'Copy');
 1781: 	my $nocopy=0;
 1782:         my $nocut=0;
 1783:         if ($url=~/\.(page|sequence)$/) {
 1784: 	    if ($url =~ m{/res/}) {
 1785: 		# no copy for published maps
 1786: 		$nocopy = 1;
 1787: 	    } else {
 1788: 		foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url),1)) {
 1789: 		    my ($title,$url,$ext,$type)=split(/\:/,$_);
 1790: 		    if (($url=~/\.(page|sequence)/) && ($type ne 'zombie')) {
 1791: 			$nocopy=1;
 1792: 			last;
 1793: 		    }
 1794: 		}
 1795: 	    }
 1796: 	}
 1797:         if ($url=~/^\/res\/lib\/templates\//) { 
 1798:            $nocopy=1; 
 1799:            $nocut=1;
 1800:         }
 1801:         my $copylink='&nbsp;';
 1802:         my $cutlink='&nbsp;';
 1803: 	
 1804: 	my $skip_confirm = 0;
 1805: 	if ( $folder =~ /^supplemental/
 1806: 	     || ($url =~ m{( /smppg$
 1807: 			    |/syllabus$
 1808: 			    |/aboutme$
 1809: 			    |/navmaps$
 1810: 			    |/bulletinboard$
 1811: 			    |\.html$
 1812: 			    |^/adm/wrapper/ext)}x)) {
 1813: 	    $skip_confirm = 1;
 1814: 	}
 1815: 
 1816: 	if (!$nocopy) {
 1817: 	    $copylink=(<<ENDCOPY);
 1818: <a href='javascript:markcopy("$esc_path","$index","$renametitle","$container","$symb","$folder");' class="LC_docs_copy">$lt{'cp'}</a>
 1819: ENDCOPY
 1820:         }
 1821: 	if (!$nocut) {
 1822: 	    $cutlink=(<<ENDCUT);
 1823: <a href='javascript:cutres("$esc_path","$index","$renametitle","$container","$symb","$folder",$skip_confirm);' class="LC_docs_cut">$lt{'ct'}</a>
 1824: ENDCUT
 1825:         }
 1826: 	$form_start = (<<END);
 1827:    <form  action="/adm/coursedocs" method="post">
 1828:    <input type="hidden" name="${type}path" value="$path" />
 1829:    <input type="hidden" name="${type}symb" value="$symb" />
 1830:    <input type="hidden" name="setparms" value="$orderidx" />
 1831:    <input type="hidden" name="changeparms" value="0" />
 1832: END
 1833:         $form_end = '</form>';
 1834: 	$line.=(<<END);
 1835: <td>
 1836:    <table class="LC_docs_entry_move">
 1837:       <tr>
 1838:          <td>
 1839:             <a href='/adm/coursedocs?cmd=up_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'><img src="${iconpath}move_up.gif" alt='$lt{'up'}' class="LC_icon" /></a>
 1840:          </td>
 1841:       </tr>
 1842:       <tr>
 1843:         <td>
 1844:            <a href='/adm/coursedocs?cmd=down_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'><img src="${iconpath}move_down.gif" alt='$lt{'dw'}' class="LC_icon" /></a>
 1845:         </td>
 1846:       </tr>
 1847:     </table>
 1848: </td>
 1849: <td>
 1850:    $form_start
 1851:    $selectbox
 1852:    $form_end
 1853: </td>
 1854: <td class="LC_docs_entry_commands">
 1855:    <a href='javascript:removeres("$esc_path","$index","$renametitle","$container","$symb",$skip_confirm);' class="LC_docs_remove">$lt{'rm'}</a>
 1856: $cutlink
 1857:    <a href='javascript:changename("$esc_path","$index","$renametitle","$container","$symb");' class="LC_docs_rename">$lt{'rn'}</a>
 1858: $copylink
 1859: </td>
 1860: END
 1861: 
 1862:     }
 1863: # Figure out what kind of a resource this is
 1864:     my ($extension)=($url=~/\.(\w+)$/);
 1865:     my $uploaded=($url=~/^\/*uploaded\//);
 1866:     my $icon=&Apache::loncommon::icon($url);
 1867:     my $isfolder=0;
 1868:     my $ispage=0;
 1869:     my $folderarg;
 1870:     my $pagearg;
 1871:     my $pagefile;
 1872:     if ($uploaded) {
 1873: 	if ($extension eq 'sequence') {
 1874: 	    $icon=$iconpath.'/folder_closed.gif';
 1875: 	    $url=~/\Q$coursenum\E\/([\/\w]+)\.sequence$/;
 1876: 	    $url='/adm/coursedocs?';
 1877: 	    $folderarg=$1;
 1878: 	    $isfolder=1;
 1879:         } elsif ($extension eq 'page') {
 1880:             $icon=$iconpath.'/page.gif';
 1881:             $url=~/\Q$coursenum\E\/([\/\w]+)\.page$/;
 1882:             $pagearg=$1;
 1883:             $url='/adm/coursedocs?';
 1884:             $ispage=1;
 1885: 	} else {
 1886: 	    &Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
 1887: 	}
 1888:     }
 1889:     
 1890:     my $orig_url = $url;
 1891:     my $external = ($url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/});
 1892:     if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) {
 1893: 	my $symb=&Apache::lonnet::symbclean(
 1894:           &Apache::lonnet::declutter('uploaded/'.
 1895:            $env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1896:            $env{'course.'.$env{'request.course.id'}.'.num'}.'/'.$folder.
 1897:            '.sequence').
 1898:            '___'.$residx.'___'.
 1899: 	   &Apache::lonnet::declutter($url));
 1900: 	(undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
 1901: 	$url=&Apache::lonnet::clutter($url);
 1902: 	if ($url=~/^\/*uploaded\//) {
 1903: 	    $url=~/\.(\w+)$/;
 1904: 	    my $embstyle=&Apache::loncommon::fileembstyle($1);
 1905: 	    if (($embstyle eq 'img') || ($embstyle eq 'emb')) {
 1906: 		$url='/adm/wrapper'.$url;
 1907: 	    } elsif ($embstyle eq 'ssi') {
 1908: 		#do nothing with these
 1909: 	    } elsif ($url!~/\.(sequence|page)$/) {
 1910: 		$url='/adm/coursedocs/showdoc'.$url;
 1911: 	    }
 1912: 	} elsif ($url=~m|^/ext/|) { 
 1913: 	    $url='/adm/wrapper'.$url;
 1914: 	    $external = 1;
 1915: 	}
 1916:         if (&Apache::lonnet::symbverify($symb,$url)) {
 1917: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 1918:         } else {
 1919:             $url='';
 1920:         }
 1921: 	if ($container eq 'page') {
 1922: 	    my $symb=$env{'form.pagesymb'};
 1923: 	    	    
 1924: 	    $url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
 1925: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 1926: 	}
 1927:     }
 1928:     my ($parameterset,$rand_order_text) = ('&nbsp;', '&nbsp;');
 1929:     if ($isfolder || $extension eq 'sequence') {
 1930: 	my $foldername=&escape($foldertitle);
 1931: 	my $folderpath=$env{'form.folderpath'};
 1932: 	if ($folderpath) { $folderpath.='&' };
 1933: # Append randompick number, hidden, and encrypted with ":" to foldername, 
 1934: # so it gets transferred between levels
 1935: 	$folderpath.=$folderarg.'&'.$foldername.':'.(&LONCAPA::map::getparameter($orderidx,
 1936:                                               'parameter_randompick'))[0]
 1937:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1938:                                               'parameter_hiddenresource'))[0]=~/^yes$/i)
 1939:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1940:                                               'parameter_encrypturl'))[0]=~/^yes$/i)
 1941:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1942:                                               'parameter_randomorder'))[0]=~/^yes$/i);
 1943: 	$url.='folderpath='.&escape($folderpath).$cpinfo;
 1944: 	$parameterset='<label>'.&mt('Randomly Pick: ').
 1945: 	    '<input type="text" size="4" onChange="this.form.changeparms.value='."'randompick'".';this.form.submit()" name="randompick_'.$orderidx.'" value="'.
 1946: 	    (&LONCAPA::map::getparameter($orderidx,
 1947:                                               'parameter_randompick'))[0].
 1948:                                               '" />'.
 1949: '<a href="javascript:void(0)">'.&mt('Save').'</a></label>';
 1950:     	my $ro_set=
 1951: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_randomorder'))[0]=~/^yes$/i?' checked="checked"':'');
 1952: 	$rand_order_text ='
 1953: <span class="LC_nobreak"><label><input type="checkbox" name="randomorder_'.$orderidx.'" onClick="this.form.changeparms.value=\'randomorder\';this.form.submit()" '.$ro_set.' /> '.&mt('Random Order').' </label></span>';
 1954:     }
 1955:     if ($ispage) {
 1956:         my $pagename=&escape($pagetitle);
 1957:         my $pagepath;
 1958:         my $folderpath=$env{'form.folderpath'};
 1959:         if ($folderpath) { $pagepath = $folderpath.'&' };
 1960:         $pagepath.=$pagearg.'&'.$pagename;
 1961: 	my $symb=$env{'form.pagesymb'};
 1962: 	if (!$symb) {
 1963: 	    my $path='uploaded/'.
 1964: 		$env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1965: 		$env{'course.'.$env{'request.course.id'}.'.num'}.'/';
 1966: 	    $symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
 1967: 					       $residx,
 1968: 					       $path.$pagearg.'.page');
 1969: 	}
 1970: 	$url.='pagepath='.&escape($pagepath).
 1971: 	    '&amp;pagesymb='.&escape($symb).$cpinfo;
 1972:     }
 1973:     if ($external) {
 1974: 	my $form = ($folder =~ /^default/)? 'newext' : 'supnewext';
 1975: 	$external = '&nbsp;<a class="LC_docs_ext_edit" href="javascript:edittext(\''.$form.'\',\''.$residx.'\',\''.&escape($title).'\',\''.&escape($orig_url).'\');" >'.&mt('Edit').'</a>';
 1976:     } else {
 1977: 	undef($external);
 1978:     }
 1979:     $line.='
 1980:   <td class="LC_docs_entry_icon">
 1981:     '.($url?'<a href="'.$url.'">':'').'<img src="'.$icon.'" alt="" class="LC_icon" />'.($url?'</a>':'').'
 1982:   </td>
 1983:   <td class="LC_docs_entry_title">
 1984:     '.($url?"<a href=\"$url\">":'').$title.($url?'</a>':' <span class="LC_docs_reinit_warn">'.&mt('(re-initialize course to access)').'</span>').$external."
 1985:   </td>";
 1986:     if (($allowed) && ($folder!~/^supplemental/)) {
 1987:  	my %lt=&Apache::lonlocal::texthash(
 1988:  			      'hd' => 'Hidden',
 1989:  			      'ec' => 'URL hidden');
 1990: 	my $enctext=
 1991: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':'');
 1992: 	my $hidtext=
 1993: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="1"':'');
 1994: 	$line.=(<<ENDPARMS);
 1995:   <td class="LC_docs_entry_parameter">
 1996:     $form_start
 1997:     <label><input type="checkbox" name="hiddenresource_$orderidx" onClick="this.form.changeparms.value='hiddenresource';this.form.submit()" $hidtext /> $lt{'hd'}</label>
 1998:     $form_end
 1999:   </td>
 2000:   <td class="LC_docs_entry_parameter">
 2001:     $form_start
 2002:     <label><input type="checkbox" name="encrypturl_$orderidx" onClick="this.form.changeparms.value='encrypturl';this.form.submit()" $enctext /> $lt{'ec'}</label>
 2003:     $form_end
 2004:   </td>
 2005:   <td class="LC_docs_entry_parameter">$form_start $rand_order_text $form_end</td>
 2006:   <td class="LC_docs_entry_parameter">$form_start $parameterset $form_end</td>
 2007: ENDPARMS
 2008:     }
 2009:     $line.="</tr>";
 2010:     return $line;
 2011: }
 2012: 
 2013: # ---------------------------------------------------------------- tie the hash
 2014: 
 2015: sub tiehash {
 2016:     my ($mode)=@_;
 2017:     $hashtied=0;
 2018:     if ($env{'request.course.fn'}) {
 2019: 	if ($mode eq 'write') {
 2020: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 2021: 		    &GDBM_WRCREAT(),0640)) {
 2022:                 $hashtied=2;
 2023: 	    }
 2024: 	} else {
 2025: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 2026: 		    &GDBM_READER(),0640)) {
 2027:                 $hashtied=1;
 2028: 	    }
 2029: 	}
 2030:     }    
 2031: }
 2032: 
 2033: sub untiehash {
 2034:     if ($hashtied) { untie %hash; }
 2035:     $hashtied=0;
 2036:     return OK;
 2037: }
 2038: 
 2039: # --------------------------------------------------------------- check on this
 2040: 
 2041: sub checkonthis {
 2042:     my ($r,$url,$level,$title)=@_;
 2043:     $url=&unescape($url);
 2044:     $alreadyseen{$url}=1;
 2045:     $r->rflush();
 2046:     if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
 2047:        $r->print("\n<br />");
 2048:        if ($level==0) {
 2049:            $r->print("<br />");
 2050:        }
 2051:        for (my $i=0;$i<=$level*5;$i++) {
 2052:            $r->print('&nbsp;');
 2053:        }
 2054:        $r->print('<a href="'.$url.'" target="cat">'.
 2055: 		 ($title?$title:$url).'</a> ');
 2056:        if ($url=~/^\/res\//) {
 2057: 	  my $result=&Apache::lonnet::repcopy(
 2058:                               &Apache::lonnet::filelocation('',$url));
 2059:           if ($result eq 'ok') {
 2060:              $r->print('<span class="LC_success">'.&mt('ok').'</span>');
 2061:              $r->rflush();
 2062:              &Apache::lonnet::countacc($url);
 2063:              $url=~/\.(\w+)$/;
 2064:              if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
 2065: 		 $r->print('<br />');
 2066:                  $r->rflush();
 2067:                  for (my $i=0;$i<=$level*5;$i++) {
 2068:                      $r->print('&nbsp;');
 2069:                  }
 2070:                  $r->print('- '.&mt('Rendering:').' ');
 2071: 		 my ($errorcount,$warningcount)=split(/:/,
 2072: 	       &Apache::lonnet::ssi_body($url,
 2073: 			       ('grade_target'=>'web',
 2074: 				'return_only_error_and_warning_counts' => 1)));
 2075:                  if (($errorcount) ||
 2076:                      ($warningcount)) {
 2077: 		     if ($errorcount) {
 2078:                         $r->print('<img src="/adm/lonMisc/bomb.gif" /><span class="LC_error">'.
 2079:                           &mt('[quant,_1,error]',$errorcount).'</span>');
 2080:                      }
 2081: 		     if ($warningcount) {
 2082:                         $r->print('<span class="LC_warning">'.
 2083:                           &mt('[quant,_1,warning]',$warningcount).'</span>');
 2084:                      }
 2085:                  } else {
 2086:                      $r->print('<span class="LC_success">'.&mt('ok').'</span>');
 2087:                  }
 2088:                  $r->rflush();
 2089:              }
 2090: 	     my $dependencies=
 2091:                 &Apache::lonnet::metadata($url,'dependencies');
 2092:              foreach (split(/\,/,$dependencies)) {
 2093: 		 if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {
 2094:                     &checkonthis($r,$_,$level+1);
 2095:                  }
 2096:              }
 2097:           } elsif ($result eq 'unavailable') {
 2098:              $r->print('<span class="LC_error">'.&mt('connection down').'</span>');
 2099:           } elsif ($result eq 'not_found') {
 2100: 	      unless ($url=~/\$/) {
 2101: 		  $r->print('<span class="LC_error">'.&mt('not found').'</b></span>');
 2102: 	      } else {
 2103: 		  $r->print('<span class="LC_unknown">'.&mt('unable to verify variable URL').'</span>');
 2104: 	      }
 2105:           } else {
 2106:              $r->print('<span class="LC_error">'.&mt('access denied').'</span>');
 2107:           }
 2108:        }
 2109:     }
 2110: }
 2111: 
 2112: 
 2113: #
 2114: # ----------------------------------------------------------------- List Symbs
 2115: # 
 2116: sub list_symbs {
 2117:     my ($r) = @_;
 2118: 
 2119:     my $type = &Apache::loncommon::course_type();
 2120:     $r->print(&Apache::loncommon::start_page('Symb List'));
 2121:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Symb List'));
 2122:     my $navmap = Apache::lonnavmaps::navmap->new();
 2123:     if (!defined($navmap)) {
 2124:         $r->print('<h2>'.&mt('Retrieval of List Failed').'</h2>'.
 2125:                   '<div class="LC_error">'.
 2126:                   &mt('Unable to retrieve information about course contents').
 2127:                   '</div>');
 2128:         &Apache::lonnet::logthis('Symb list failed - could not create navmap object in '.lc($type).':'.$env{'request.course.id'});
 2129:     } else {
 2130:         $r->print("<pre>\n");
 2131:         foreach my $res ($navmap->retrieveResources()) {
 2132: 	    $r->print($res->compTitle()."\t".$res->symb()."\n");
 2133:         }
 2134:         $r->print("\n</pre>\n");
 2135:     }
 2136:     $r->print('<a href="/adm/coursedocs">'.&mt('Return to DOCS').'</a>');
 2137: }
 2138: 
 2139: 
 2140: #
 2141: # -------------------------------------------------------------- Verify Content
 2142: # 
 2143: sub verifycontent {
 2144:     my ($r) = @_;
 2145:     my $type = &Apache::loncommon::course_type();
 2146:    my $loaderror=&Apache::lonnet::overloaderror($r);
 2147:    if ($loaderror) { return $loaderror; }
 2148:    $r->print(&Apache::loncommon::start_page('Verify '.$type.' Documents'));
 2149:    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$type.' Documents'));
 2150:    $hashtied=0;
 2151:    undef %alreadyseen;
 2152:    %alreadyseen=();
 2153:    &tiehash();
 2154:    foreach (keys %hash) {
 2155:        if ($hash{$_}=~/\.(page|sequence)$/) {
 2156: 	   if (($_=~/^src_/) && ($alreadyseen{&unescape($hash{$_})})) {
 2157: 	       $r->print('<hr /><span class="LC_error">'.
 2158: 			 &mt('The following sequence or page is included more than once in your '.$type.': ').
 2159: 			 &unescape($hash{$_}).'</span><br />'.
 2160: 			 &mt('Note that grading records for problems included in this sequence or folder will overlap.<hr />'));
 2161: 	   }
 2162:        }
 2163:        if (($_=~/^src\_(.+)$/) && (!$alreadyseen{&unescape($hash{$_})})) {
 2164:            &checkonthis($r,$hash{$_},0,$hash{'title_'.$1});
 2165:        }
 2166:    }
 2167:    &untiehash();
 2168:    $r->print('<h1>'.&mt('Done').'.</h1>'.'<a href="/adm/coursedocs">'.
 2169: 	     &mt('Return to DOCS').'</a>');
 2170: }
 2171: 
 2172: 
 2173: # -------------------------------------------------------------- Check Versions
 2174: 
 2175: sub devalidateversioncache {
 2176:     my $src=shift;
 2177:     &Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
 2178: 					  &Apache::lonnet::clutter($src));
 2179: }
 2180: 
 2181: sub checkversions {
 2182:     my ($r) = @_;
 2183:     my $type = &Apache::loncommon::course_type();
 2184:     $r->print(&Apache::loncommon::start_page("Check $type Document Versions"));
 2185:     $r->print(&Apache::lonhtmlcommon::breadcrumbs("Check $type Document Versions"));
 2186:     my $header='';
 2187:     my $startsel='';
 2188:     my $monthsel='';
 2189:     my $weeksel='';
 2190:     my $daysel='';
 2191:     my $allsel='';
 2192:     my %changes=();
 2193:     my $starttime=0;
 2194:     my $haschanged=0;
 2195:     my %setversions=&Apache::lonnet::dump('resourceversions',
 2196: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2197: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2198: 
 2199:     $hashtied=0;
 2200:     &tiehash();
 2201:     my %newsetversions=();
 2202:     if ($env{'form.setmostrecent'}) {
 2203: 	$haschanged=1;
 2204: 	foreach (keys %hash) {
 2205: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 2206: 		$newsetversions{$1}='mostrecent';
 2207:                 &devalidateversioncache($1);
 2208: 	    }
 2209: 	}
 2210:     } elsif ($env{'form.setcurrent'}) {
 2211: 	$haschanged=1;
 2212: 	foreach (keys %hash) {
 2213: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 2214: 		my $getvers=&Apache::lonnet::getversion($1);
 2215: 		if ($getvers>0) {
 2216: 		    $newsetversions{$1}=$getvers;
 2217: 		    &devalidateversioncache($1);
 2218: 		}
 2219: 	    }
 2220: 	}
 2221:     } elsif ($env{'form.setversions'}) {
 2222: 	$haschanged=1;
 2223: 	foreach (keys %env) {
 2224: 	    if ($_=~/^form\.set_version_(.+)$/) {
 2225: 		my $src=$1;
 2226: 		if (($env{$_}) && ($env{$_} ne $setversions{$src})) {
 2227: 		    $newsetversions{$src}=$env{$_};
 2228: 		    &devalidateversioncache($src);
 2229: 		}
 2230: 	    }
 2231: 	}
 2232:     }
 2233:     if ($haschanged) {
 2234:         if (&Apache::lonnet::put('resourceversions',\%newsetversions,
 2235: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2236: 			  $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {		
 2237: 	    $r->print('<h1>'.&mt('Your Version Settings have been Saved').'</h1>');
 2238: 	} else {
 2239: 	    $r->print('<h1><span class="LC_error">'.&mt('An Error Occured while Attempting to Save your Version Settings').'</span></h1>');
 2240: 	}
 2241: 	&mark_hash_old();
 2242:     }
 2243:     &changewarning($r,'');
 2244:     if ($env{'form.timerange'} eq 'all') {
 2245: # show all documents
 2246: 	$header=&mt('All Documents in '.$type);
 2247: 	$allsel=1;
 2248: 	foreach (keys %hash) {
 2249: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 2250: 		my $src=$1;
 2251: 		$changes{$src}=1;
 2252: 	    }
 2253: 	}
 2254:     } else {
 2255: # show documents which changed
 2256: 	%changes=&Apache::lonnet::dump
 2257: 	 ('versionupdate',$env{'course.'.$env{'request.course.id'}.'.domain'},
 2258:                      $env{'course.'.$env{'request.course.id'}.'.num'});
 2259: 	my $firstkey=(keys %changes)[0];
 2260: 	unless ($firstkey=~/^error\:/) {
 2261: 	    unless ($env{'form.timerange'}) {
 2262: 		$env{'form.timerange'}=604800;
 2263: 	    }
 2264: 	    my $seltext=&mt('during the last').' '.$env{'form.timerange'}.' '
 2265: 		.&mt('seconds');
 2266: 	    if ($env{'form.timerange'}==-1) {
 2267: 		$seltext='since start of course';
 2268: 		$startsel='selected';
 2269: 		$env{'form.timerange'}=time;
 2270: 	    }
 2271: 	    $starttime=time-$env{'form.timerange'};
 2272: 	    if ($env{'form.timerange'}==2592000) {
 2273: 		$seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2274: 		$monthsel='selected';
 2275: 	    } elsif ($env{'form.timerange'}==604800) {
 2276: 		$seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2277: 		$weeksel='selected';
 2278: 	    } elsif ($env{'form.timerange'}==86400) {
 2279: 		$seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2280: 		$daysel='selected';
 2281: 	    }
 2282: 	    $header=&mt('Content changed').' '.$seltext;
 2283: 	} else {
 2284: 	    $header=&mt('No content modifications yet.');
 2285: 	}
 2286:     }
 2287:     %setversions=&Apache::lonnet::dump('resourceversions',
 2288: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2289: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2290:     my %lt=&Apache::lonlocal::texthash
 2291: 	      ('st' => 'Version changes since start of '.$type,
 2292: 	       'lm' => 'Version changes since last Month',
 2293: 	       'lw' => 'Version changes since last Week',
 2294: 	       'sy' => 'Version changes since Yesterday',
 2295:                'al' => 'All Resources (possibly large output)',
 2296: 	       'sd' => 'Display',
 2297: 	       'fi' => 'File',
 2298: 	       'md' => 'Modification Date',
 2299:                'mr' => 'Most recently published Version',
 2300: 	       've' => 'Version used in '.$type,
 2301:                'vu' => 'Set Version to be used in '.$type,
 2302: 'sv' => 'Set Versions to be used in '.$type.' according to Selections below',
 2303: 'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',
 2304: 'sc' => 'Set all Resource Versions to current Version (Fix Versions)',
 2305: 	       'di' => 'Differences');
 2306:     $r->print(<<ENDHEADERS);
 2307: <form action="/adm/coursedocs" method="post">
 2308: <input type="hidden" name="versions" value="1" />
 2309: <input type="submit" name="setmostrecent" value="$lt{'sm'}" />
 2310: <input type="submit" name="setcurrent" value="$lt{'sc'}" /><hr />
 2311: <select name="timerange">
 2312: <option value='all' $allsel>$lt{'al'}</option>
 2313: <option value="-1" $startsel>$lt{'st'}</option>
 2314: <option value="2592000" $monthsel>$lt{'lm'}</option>
 2315: <option value="604800" $weeksel>$lt{'lw'}</option>
 2316: <option value="86400" $daysel>$lt{'sy'}</option>
 2317: </select>
 2318: <input type="submit" name="display" value="$lt{'sd'}" />
 2319: <h3>$header</h3>
 2320: <input type="submit" name="setversions" value="$lt{'sv'}" />
 2321: <table border="0">
 2322: ENDHEADERS
 2323:     foreach (sort keys %changes) {
 2324: 	if ($changes{$_}>$starttime) {
 2325: 	    my ($root,$extension)=($_=~/^(.*)\.(\w+)$/);
 2326: 	    my $currentversion=&Apache::lonnet::getversion($_);
 2327: 	    if ($currentversion<0) {
 2328: 		$currentversion=&mt('Could not be determined.');
 2329: 	    }
 2330: 	    my $linkurl=&Apache::lonnet::clutter($_);
 2331: 	    $r->print(
 2332: 		      '<tr><td colspan="5"><br /><br /><font size="+1"><b>'.
 2333: 		      &Apache::lonnet::gettitle($linkurl).
 2334:                       '</b></font></td></tr>'.
 2335:                       '<tr><td>&nbsp;&nbsp;&nbsp;</td>'.
 2336:                       '<td colspan="4">'.
 2337:                       '<a href="'.$linkurl.'" target="cat">'.$linkurl.
 2338: 		      '</a></td></tr>'.
 2339:                       '<tr><td></td>'.
 2340:                       '<td title="'.$lt{'md'}.'">'.
 2341: 		      &Apache::lonlocal::locallocaltime(
 2342:                            &Apache::lonnet::metadata($root.'.'.$extension,
 2343:                                                      'lastrevisiondate')
 2344:                                                         ).
 2345:                       '</td>'.
 2346:                       '<td title="'.$lt{'mr'}.'"><span class="LC_nobreak">Most Recent: '.
 2347:                       '<font size="+1">'.$currentversion.'</font>'.
 2348:                       '</span></td>'.
 2349:                       '<td title="'.$lt{'ve'}.'"><span class="LC_nobreak">In '.$type.': '.
 2350:                       '<font size="+1">');
 2351: # Used in course
 2352: 	    my $usedversion=$hash{'version_'.$linkurl};
 2353: 	    if (($usedversion) && ($usedversion ne 'mostrecent')) {
 2354: 		$r->print($usedversion);
 2355: 	    } else {
 2356: 		$r->print($currentversion);
 2357: 	    }
 2358: 	    $r->print('</font></span></td><td title="'.$lt{'vu'}.'">'.
 2359:                       '<span class="LC_nobreak">Use: ');
 2360: # Set version
 2361: 	    $r->print(&Apache::loncommon::select_form($setversions{$linkurl},
 2362: 						      'set_version_'.$linkurl,
 2363: 						      ('select_form_order' =>
 2364: 						       ['',1..$currentversion,'mostrecent'],
 2365: 						       '' => '',
 2366: 						       'mostrecent' => 'most recent',
 2367: 						       map {$_,$_} (1..$currentversion))));
 2368: 	    $r->print('</span></td></tr><tr><td></td>');
 2369: 	    my $lastold=1;
 2370: 	    for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
 2371: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2372: 		if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
 2373: 		    $starttime) {
 2374: 		    $lastold=$prevvers;
 2375: 		}
 2376: 	    }
 2377:             # 
 2378:             # Code to figure out how many version entries should go in
 2379:             # each of the four columns
 2380:             my $entries_per_col = 0;
 2381:             my $num_entries = ($currentversion-$lastold);
 2382:             if ($num_entries % 4 == 0) {
 2383:                 $entries_per_col = $num_entries/4;
 2384:             } else {
 2385:                 $entries_per_col = $num_entries/4 + 1;
 2386:             }
 2387:             my $entries_count = 0;
 2388:             $r->print('<td valign="top"><font size="-2">'); 
 2389:             my $cols_output = 1;
 2390:             for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
 2391: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2392: 		$r->print('<span class="LC_nobreak"><a href="'.&Apache::lonnet::clutter($url).
 2393: 			  '">'.&mt('Version').' '.$prevvers.'</a> ('.
 2394: 			  &Apache::lonlocal::locallocaltime(
 2395:                                 &Apache::lonnet::metadata($url,
 2396:                                                           'lastrevisiondate')
 2397:                                                             ).
 2398: 			  ')');
 2399: 		if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
 2400:                     $r->print(' <a href="/adm/diff?filename='.
 2401: 			      &Apache::lonnet::clutter($root.'.'.$extension).
 2402: 			      '&versionone='.$prevvers.
 2403: 			      '">'.&mt('Diffs').'</a>');
 2404: 		}
 2405: 		$r->print('</span><br />');
 2406:                 if (++$entries_count % $entries_per_col == 0) {
 2407:                     $r->print('</font></td>');
 2408:                     if ($cols_output != 4) {
 2409:                         $r->print('<td valign="top"><font size="-2">');
 2410:                         $cols_output++;
 2411:                     }
 2412:                 }
 2413: 	    }
 2414:             while($cols_output++ < 4) {
 2415:                 $r->print('</font></td><td><font>')
 2416:             }
 2417: 	    $r->print('</font></td></tr>'."\n");
 2418: 	}
 2419:     }
 2420:     $r->print('</table></form>');
 2421:     $r->print('<h1>'.&mt('Done').'.</h1>');
 2422: 
 2423:     &untiehash();
 2424: }
 2425: 
 2426: sub mark_hash_old {
 2427:     my $retie_hash=0;
 2428:     if ($hashtied) {
 2429: 	$retie_hash=1;
 2430: 	&untiehash();
 2431:     }
 2432:     &tiehash('write');
 2433:     $hash{'old'}=1;
 2434:     &untiehash();
 2435:     if ($retie_hash) { &tiehash(); }
 2436: }
 2437: 
 2438: sub is_hash_old {
 2439:     my $untie_hash=0;
 2440:     if (!$hashtied) {
 2441: 	$untie_hash=1;
 2442: 	&tiehash();
 2443:     }
 2444:     my $return=$hash{'old'};
 2445:     if ($untie_hash) { &untiehash(); }
 2446:     return $return;
 2447: }
 2448: 
 2449: sub changewarning {
 2450:     my ($r,$postexec,$message,$url)=@_;
 2451:     if (!&is_hash_old()) { return; }
 2452:     my $pathvar='folderpath';
 2453:     my $path=&escape($env{'form.folderpath'});
 2454:     if (!defined($url)) {
 2455: 	if (defined($env{'form.pagepath'})) {
 2456: 	    $pathvar='pagepath';
 2457: 	    $path=&escape($env{'form.pagepath'});
 2458: 	    $path.='&amp;pagesymb='.&escape($env{'form.pagesymb'});
 2459: 	}
 2460: 	$url='/adm/coursedocs?'.$pathvar.'='.$path;
 2461:     }
 2462:     my $course_type = &Apache::loncommon::course_type();
 2463:     if (!defined($message)) {
 2464: 	$message='Changes will become active for your current session after [_1], or the next time you log in.';
 2465:     }
 2466:     $r->print("\n\n".
 2467: '<script type="text/javascript">function reinit(tf) { tf.submit();'.$postexec.' }</script>'."\n". 
 2468: '<form name="reinitform" method="post" action="/adm/roles" target="loncapaclient">'.
 2469: '<input type="hidden" name="orgurl" value="'.$url.
 2470: '" /><input type="hidden" name="selectrole" value="1" /><h3><span class="LC_warning">'.
 2471: &mt($message,' <input type="hidden" name="'.
 2472:     $env{'request.role'}.'" value="1" /><input type="button" value="'.
 2473:     &mt('re-initializing '.$course_type).'" onClick="reinit(this.form)" />').
 2474: $help{'Caching'}.'</span></h3></form>'."\n\n");
 2475: }
 2476: 
 2477: # =========================================== Breadcrumbs for special functions
 2478: 
 2479: sub init_breadcrumbs {
 2480:     my ($form,$text)=@_;
 2481:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 2482:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs",
 2483: 					    text=>"Edit ".&Apache::loncommon::course_type(),
 2484: 					    faq=>273,
 2485: 					    bug=>'Instructor Interface',
 2486:                                             help => 'Docs_Adding_Course_Doc'});
 2487:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs?".$form.'=1',
 2488: 					    text=>$text,
 2489: 					    faq=>273,
 2490: 					    bug=>'Instructor Interface'});
 2491: }
 2492: 
 2493: # ================================================================ Main Handler
 2494: sub handler {
 2495:     my $r = shift;
 2496:     &Apache::loncommon::content_type($r,'text/html');
 2497:     $r->send_http_header;
 2498:     return OK if $r->header_only;
 2499:     my $type = &Apache::loncommon::course_type();
 2500: 
 2501: # --------------------------------------------- Initialize help topics for this
 2502:     foreach ('Adding_Course_Doc','Main_Course_Documents',
 2503: 	     'Adding_External_Resource','Navigate_Content',
 2504: 	     'Adding_Folders','Docs_Overview', 'Load_Map',
 2505: 	     'Supplemental','Score_Upload_Form','Adding_Pages',
 2506: 	     'Importing_LON-CAPA_Resource','Uploading_From_Harddrive',
 2507: 	     'Check_Resource_Versions','Verify_Content') {
 2508: 	$help{$_}=&Apache::loncommon::help_open_topic('Docs_'.$_);
 2509:     }
 2510:     # Composite help files
 2511:     $help{'Syllabus'} = &Apache::loncommon::help_open_topic(
 2512: 		    'Docs_About_Syllabus,Docs_Editing_Templated_Pages');
 2513:     $help{'Simple Page'} = &Apache::loncommon::help_open_topic(
 2514: 		    'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');
 2515:     $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(
 2516: 		    'Option_Response_Simple');
 2517:     $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(
 2518: 		    'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');
 2519:     $help{'My Personal Info'} = &Apache::loncommon::help_open_topic(
 2520: 		  'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
 2521:     $help{'Group Files'} = &Apache::loncommon::help_open_topic('Docs_About_Group_Files');
 2522:     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
 2523: 
 2524: # does this user have privileges to modify docs
 2525:     my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
 2526:   if ($allowed && $env{'form.verify'}) {
 2527:       &init_breadcrumbs('verify','Verify Content');
 2528:       &verifycontent($r);
 2529:   } elsif ($allowed && $env{'form.listsymbs'}) {
 2530:       &init_breadcrumbs('listsymbs','List Symbs');
 2531:       &list_symbs($r);
 2532:   } elsif ($allowed && $env{'form.docslog'}) {
 2533:       &init_breadcrumbs('docslog','Show Log');
 2534:       &docs_change_log($r);
 2535:   } elsif ($allowed && $env{'form.versions'}) {
 2536:       &init_breadcrumbs('versions','Check/Set Resource Versions');
 2537:       &checkversions($r);
 2538:   } elsif ($allowed && $env{'form.dumpcourse'}) {
 2539:       &init_breadcrumbs('dumpcourse','Dump '.&Apache::loncommon::course_type().' DOCS to Construction Space');
 2540:       &dumpcourse($r);
 2541:   } elsif ($allowed && $env{'form.exportcourse'}) {
 2542:       &init_breadcrumbs('exportcourse','Export '.&Apache::loncommon::course_type().' to IMS');
 2543:       &exportcourse($r);
 2544:   } else {
 2545: # is this a standard course?
 2546: 
 2547:     my $standard=($env{'request.course.uri'}=~/^\/uploaded\//);
 2548:     my $forcestandard = 0;
 2549:     my $forcesupplement;
 2550:     my $script='';
 2551:     my $showdoc=0;
 2552:     my $containertag;
 2553:     my $uploadtag;
 2554:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 2555: 					    ['folderpath','pagepath',
 2556: 					     'pagesymb']);
 2557: # No folderpath, no pagepath, see if we have something stored
 2558:     if ((!$env{'form.folderpath'}) && (!$env{'form.pagepath'})) {
 2559:         &Apache::loncommon::restore_course_settings('docs_folderpath',
 2560:                                               {'folderpath' => 'scalar'});
 2561:     }
 2562:     if (!$env{'form.folderpath'}) {
 2563:         &Apache::loncommon::restore_course_settings('docs_folderpath',
 2564:                                               {'pagepath' => 'scalar'});
 2565:     }
 2566:     if ($env{'form.pagepath'}) {
 2567:        $env{'form.folderpath'}='';
 2568:     }
 2569:     if ($env{'form.folderpath'} =~ /^supplemental_\d+/) {
 2570:         $env{'form.folderpath'} = 'supplemental&'.
 2571:                                   &escape(&mt('Supplemental '.$type.' Documents')).'&'.
 2572:                                   $env{'form.folderpath'};
 2573:     }
 2574:     &Apache::loncommon::store_course_settings('docs_folderpath',
 2575:                                                 {'pagepath' => 'scalar',
 2576:                                                  'folderpath' => 'scalar'});
 2577:     if ($env{'form.folderpath'}) {
 2578: 	my (@folderpath)=split('&',$env{'form.folderpath'});
 2579: 	$env{'form.foldername'}=&unescape(pop(@folderpath));
 2580: 	$env{'form.folder'}=pop(@folderpath);
 2581:     }
 2582:     if ($env{'form.pagepath'}) {
 2583:         my (@pagepath)=split('&',$env{'form.pagepath'});
 2584:         $env{'form.pagename'}=&unescape(pop(@pagepath));
 2585:         $env{'form.folder'}=pop(@pagepath);
 2586:         $containertag = '<input type="hidden" name="pagepath" value="" />'.
 2587: 	    '<input type="hidden" name="pagesymb" value="" />';
 2588:         $uploadtag = '<input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />'.
 2589: 	    '<input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />';
 2590:     }
 2591:     if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
 2592:        $showdoc='/'.$1;
 2593:     }
 2594:     unless ($showdoc) { # got called from remote
 2595:        if (($env{'form.folder'}=~/^(?:group|default)_/) || 
 2596:           ($env{'form.folder'} =~ m:^\d+/(pages|sequences)/:)) {
 2597:            $forcestandard = 1;
 2598:        } 
 2599:        $forcesupplement=($env{'form.folder'}=~/^supplemental_/);
 2600: 
 2601:        if ($allowed) { 
 2602:          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
 2603:          $script=&Apache::lonratedt::editscript('simple'); 
 2604:        }
 2605:     } else { # got called in sequence from course
 2606:        $allowed=0;
 2607:     }
 2608: 
 2609: # get course data
 2610:     my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
 2611:     my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2612: 
 2613: # get personal data 
 2614:     my $uname=$env{'user.name'};
 2615:     my $udom=$env{'user.domain'};
 2616:     my $plainname=&escape(&Apache::loncommon::plainname($uname,$udom));
 2617: 
 2618: # graphics settings
 2619: 
 2620:     $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
 2621: 
 2622:     if ($allowed) {
 2623: 	$script .= &editing_js($udom,$uname);
 2624:     }
 2625: # -------------------------------------------------------------------- Body tag
 2626:     $script = '<script type="text/javascript">'."\n".$script."\n".'</script>';
 2627:     $r->print(&Apache::loncommon::start_page("$type Documents", $script,
 2628: 					     {'force_register' => $showdoc,}).
 2629: 	      &Apache::loncommon::help_open_menu('','',273,'RAT'));
 2630:   
 2631:   my %allfiles = ();
 2632:   my %codebase = ();
 2633:   my ($upload_result,$upload_output);
 2634:   if ($allowed) {
 2635:       if (($env{'form.uploaddoc.filename'}) &&
 2636: 	  ($env{'form.cmd'}=~/^upload_(\w+)/)) {
 2637: # Process file upload - phase one - upload and parse primary file.  
 2638: 	  undef($hadchanges);
 2639:           $upload_result = &process_file_upload(\$upload_output,$coursenum,
 2640: 						$coursedom,\%allfiles,
 2641: 						\%codebase,$1);
 2642: 	  if ($hadchanges) {
 2643: 	      &mark_hash_old();
 2644: 	  }
 2645:           if ($upload_result eq 'phasetwo') {
 2646:               $r->print($upload_output);
 2647:           }
 2648:       } elsif ($env{'form.phasetwo'}) {
 2649:           my %newname = ();
 2650:           my %origname = ();
 2651:           my %attribs = ();
 2652:           my $updateflag = 0;
 2653:           my $residx = $env{'form.newidx'};
 2654:           my $primary_url = &unescape($env{'form.primaryurl'});
 2655: # Process file upload - phase two - gather secondary files.
 2656:           for (my $i=0; $i<$env{'form.phasetwo'}; $i++) {
 2657:               if ($env{'form.embedded_item_'.$i.'.filename'}) {
 2658:                   my $javacodebase;
 2659:                   $newname{$i} = &process_secondary_uploads(\$upload_output,$coursedom,$coursenum,'embedded_item_',$i,$residx);
 2660:                   $origname{$i} = &unescape($env{'form.embedded_orig_'.$i});
 2661:                   if (exists($env{'form.embedded_codebase_'.$i})) {
 2662:                       $javacodebase =  &unescape($env{'form.embedded_codebase_'.$i});  
 2663:                       $origname{$i} =~ s#^\Q$javacodebase\E/##; 
 2664:                   }
 2665:                   my @attributes = ();
 2666:                   if ($env{'form.embedded_attrib_'.$i} =~ /:/) {
 2667:                       @attributes = split/:/,$env{'form.embedded_attrib_'.$i};
 2668:                   } else {
 2669:                       @attributes = ($env{'form.embedded_attrib_'.$i});
 2670:                   }
 2671:                   foreach (@attributes) {
 2672:                       push(@{$attribs{$i}},&unescape($_));
 2673:                   }
 2674:                   if ($javacodebase) {
 2675:                       $codebase{$i} = $javacodebase;
 2676:                       $codebase{$i} =~ s#/$##;
 2677:                       $updateflag = 1;
 2678:                   }
 2679:               }
 2680:               unless ($newname{$i} eq $origname{$i}) {
 2681:                   $updateflag = 1;
 2682:               }
 2683:           }
 2684: # Process file upload - phase three - modify primary file
 2685:           if ($updateflag) {
 2686:               my ($content,$rtncode);
 2687:               my $updateflag = 0;
 2688:               my $getstatus = &Apache::lonnet::getuploaded('GET',$primary_url,$coursedom,$coursenum,\$content,\$rtncode);
 2689:               if ($getstatus eq 'ok') {
 2690:                   foreach my $item (keys %newname) {
 2691:                       if ($newname{$item} ne $origname{$item}) {
 2692:                           my $attrib_regexp = '';
 2693:                           if (@{$attribs{$item}} > 1) {
 2694:                               $attrib_regexp = join('|',@{$attribs{$item}});
 2695:                           } else {
 2696:                               $attrib_regexp = $attribs{$item}[0];
 2697:                           }
 2698:                           if ($content =~ m#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#) {
 2699:                           } 
 2700:                           $content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#$1$newname{$item}$2#gi; 
 2701:                       }
 2702:                       if (exists($codebase{$item})) {
 2703:                           $content =~ s/(codebase\s*=\s*["']?)\Q$codebase{$item}\E(["']?)/$1.$2/i; #' stupid emacs
 2704:                       }
 2705:                   }
 2706: # Save edited file.
 2707:                   my $saveresult;
 2708:                   my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
 2709:                   my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2710:                   my $url = &Apache::lonnet::store_edited_file($primary_url,$content,$docudom,$docuname,\$saveresult);
 2711:               } else {
 2712:                   &Apache::lonnet::logthis('retrieval of uploaded file - '.$primary_url.' - for editing, failed: '.$getstatus); 
 2713:               }
 2714:           }
 2715:       }
 2716:   }
 2717: 
 2718:   unless ($showdoc ||  $upload_result eq 'phasetwo') {
 2719: # -----------------------------------------------------------------------------
 2720:        my %lt=&Apache::lonlocal::texthash(
 2721:                 'uplm' => 'Upload a new main '.lc($type).' document',
 2722:                 'upls' => 'Upload a new supplemental '.lc($type).' document',
 2723:                 'impp' => 'Import a document',
 2724:                 'pubd' => 'Published documents',
 2725: 		'copm' => 'All documents out of a published map into this folder',
 2726:                 'spec' => 'Special documents',
 2727:                 'upld' => 'Upload Document',
 2728:                 'srch' => 'Search',
 2729:                 'impo' => 'Import',
 2730: 		'book' => 'Import Bookmarks',
 2731:                 'selm' => 'Select Map',
 2732:                 'load' => 'Load Map',
 2733:                 'reco' => 'Recover Deleted Resources',
 2734:                 'newf' => 'New Folder',
 2735:                 'newp' => 'New Composite Page',
 2736:                 'extr' => 'External Resource',
 2737:                 'syll' => 'Syllabus',
 2738:                 'navc' => 'Navigate Contents',
 2739:                 'sipa' => 'Simple Page',
 2740:                 'sipr' => 'Simple Problem',
 2741:                 'drbx' => 'Drop Box',
 2742:                 'scuf' => 'Score Upload Form',
 2743:                 'bull' => 'Bulletin Board',
 2744:                 'mypi' => 'My Personal Info',
 2745:                 'grpo' => 'Group Files',
 2746:                 'rost' => 'Course Roster',
 2747: 		'abou' => 'About User',
 2748:                 'imsf' => 'Import IMS package',
 2749:                 'file' =>  'File',
 2750:                 'title' => 'Title',
 2751:                 'comment' => 'Comment',
 2752:                 'parse' => 'If HTML file, upload embedded images/multimedia files'
 2753: 					  );
 2754: # -----------------------------------------------------------------------------
 2755:     if ($allowed) {
 2756: 	&update_paste_buffer($coursenum,$coursedom);
 2757:        my $dumpbut=&dumpbutton();
 2758:        my $exportbut=&exportbutton();
 2759:        my %lt=&Apache::lonlocal::texthash(
 2760: 					 'vc' => 'Verify Content',
 2761: 					 'cv' => 'Check/Set Resource Versions',
 2762: 					 'ls' => 'List Symbs',
 2763:                                          'sl' => 'Show Log'
 2764: 					  );
 2765: 
 2766:        my $folderpath=$env{'form.folderpath'};
 2767:        if (!$folderpath) {
 2768: 	   if ($env{'form.folder'} eq '' ||
 2769: 	       $env{'form.folder'} eq 'supplemental') {
 2770: 	       $folderpath='default&'.
 2771: 		   &escape(&mt('Main '.$type.' Documents'));
 2772: 	   }
 2773:        }
 2774:        unless ($env{'form.pagepath'}) {
 2775:            $containertag = '<input type="hidden" name="folderpath" value="" />';
 2776:            $uploadtag = '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($folderpath,'<>&"').'" />';
 2777:        }
 2778: 
 2779:        $r->print(<<ENDCOURSEVERIFY);
 2780: <form name="renameform" method="post" action="/adm/coursedocs">
 2781:   <input type="hidden" name="title" />
 2782:   <input type="hidden" name="cmd" />
 2783:   <input type="hidden" name="markcopy" />
 2784:   <input type="hidden" name="copyfolder" />
 2785:   $containertag
 2786: </form>
 2787: <form name="simpleedit" method="post" action="/adm/coursedocs">
 2788:   <input type="hidden" name="importdetail" value="" />
 2789:   $uploadtag
 2790: </form>
 2791: <form action="/adm/coursedocs" method="post" name="courseverify">
 2792:   <div class="LC_docs_course_commands">
 2793: 
 2794:       <div>
 2795:         <input type="submit" name="verify" value="$lt{'vc'}" />$help{'Verify_Content'}
 2796:       </div>
 2797:       <div>
 2798:         <input type="submit" name="versions" value="$lt{'cv'}" />$help{'Check_Resource_Versions'}
 2799:       </div>
 2800:         $dumpbut
 2801:         $exportbut
 2802:       <div>
 2803:         <input type="submit" name="listsymbs" value="$lt{'ls'}" />
 2804:       </div>
 2805:       <div>
 2806:         <input type="hidden" name="folder" value="$env{'form.folder'}" />
 2807:         <input type="submit" name="docslog" value="$lt{'sl'}" />
 2808:       </div>
 2809:   </div>
 2810: </form>
 2811: <div style="clear: both; height: 0px;">&nbsp;</div>
 2812: ENDCOURSEVERIFY
 2813:        $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
 2814: 		     &mt('Editing the Table of Contents for your '.$type)));
 2815:     }
 2816: # --------------------------------------------------------- Standard documents
 2817:     $r->print('<table class="LC_docs_documents">');
 2818: 
 2819:     if (($standard) && ($allowed) && (!$forcesupplement)) {
 2820: 	$r->print('<tr><td class="LC_docs_document">');
 2821: #  '<h2>'.&mt('Main Course Documents').
 2822: #  ($allowed?' '.$help{'Main_Course_Documents'}:'').'</h2>');
 2823:        my $folder=$env{'form.folder'};
 2824:        if ($folder eq '' || $folder eq 'supplemental') {
 2825:            $folder='default';
 2826: 	   $env{'form.folderpath'}='default&'.&escape(&mt('Main '.$type.' Documents'));
 2827:            $uploadtag = '<input type="hidden" name="folderpath" value="'.
 2828: 	       &HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />';
 2829:        }
 2830:        my $postexec='';
 2831:        if ($folder eq 'default') {
 2832: 	   $r->print('<script type="text/javascript">this.window.name="loncapaclient";</script>');
 2833:        } else {
 2834:            #$postexec='self.close();';
 2835:        }
 2836:        $hadchanges=0;
 2837:        my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,
 2838: 			   $upload_output,$type);
 2839:        if ($error) {
 2840: 	   $r->print('<p><span class="LC_error">'.$error.'</span></p>');
 2841:        }
 2842:        if ($hadchanges) {
 2843: 	   &mark_hash_old()
 2844:        }
 2845:        &changewarning($r,$postexec);
 2846:        my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2847:                      '.sequence';
 2848:        my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2849:                      '.page';
 2850: 	my $container='sequence';
 2851: 	if ($env{'form.pagepath'}) {
 2852: 	    $container='page';
 2853: 	}
 2854: 	my $readfile='/uploaded/'.$coursedom.'/'.$coursenum.'/'.$folder.'.'.$container;
 2855:        $r->print(<<ENDFORM);
 2856: <table class="LC_docs_adddocs">
 2857: <tr>
 2858: <th>$lt{'uplm'}</th>
 2859: <th>$lt{'impp'}</th>
 2860: <th>$lt{'spec'}</th>
 2861: </tr>
 2862: <tr>
 2863: <td>
 2864: $lt{'file'}:<br />
 2865: <form name="uploaddocument" action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 2866: <input type="file" name="uploaddoc" size="40" />
 2867: <br />
 2868: $lt{'title'}:<br />
 2869: <input type="text" size="50" name="comment" />
 2870: $uploadtag
 2871: <input type="hidden" name="cmd" value="upload_default" />
 2872: <br />
 2873: <span class="LC_nobreak">
 2874: <label>$lt{'parse'}?
 2875: <input type="checkbox" name="parserflag" checked="checked" />
 2876: </label>
 2877: </span>
 2878: <br />
 2879: <br />
 2880: <span class="LC_nobreak">
 2881: <input type="submit" value="$lt{'upld'}" />
 2882:  $help{'Uploading_From_Harddrive'}
 2883: </span>
 2884: </form>
 2885: </td>
 2886: <td>
 2887: <form action="/adm/coursedocs" method="post" name="simpleeditdefault">
 2888: $lt{'pubd'}<br />
 2889: $uploadtag
 2890: <input type="button" onClick="javascript:groupsearch()" value="$lt{'srch'}" />
 2891: <br />
 2892: <span class="LC_nobreak">
 2893: <input type="button" onClick="javascript:groupimport();" value="$lt{'impo'}" />
 2894: $help{'Importing_LON-CAPA_Resource'}
 2895: </span>
 2896: <br />
 2897: <input type="button" onClick="javascript:groupopen(0,1,1);" value="$lt{'book'}" />
 2898: <hr />
 2899: <p>
 2900: $lt{'copm'}<br />
 2901: <input type="text" size="40" name="importmap" /><br />
 2902: <span class="LC_nobreak"><input type="button" 
 2903: onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"
 2904: value="$lt{'selm'}" /> <input type="submit" name="loadmap" value="$lt{'load'}" />
 2905: $help{'Load_Map'}</span>
 2906: </p>
 2907: </form>
 2908: <hr />
 2909: <form action="/adm/groupsort" method="post" name="recover">
 2910: <input type="button" name="recovermap" onClick="javascript:groupopen('$readfile',1,0)" value="$lt{'reco'}" />
 2911: </form>
 2912: ENDFORM
 2913:        unless ($env{'form.pagepath'}) {
 2914: 	   $r->print(<<ENDFORM);
 2915: <hr />
 2916: <form action="/adm/coursedocs" method="post" name="newext">
 2917: $uploadtag
 2918: <input type="hidden" name="importdetail" value="" />
 2919: <span class="LC_nobreak">
 2920: <input name="newext" type="button" onClick="javascript:makenewext('newext');"
 2921: value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 2922: </span>
 2923: </form>
 2924: <br /><form action="/adm/imsimportdocs" method="post" name="ims">
 2925: <input type="hidden" name="folder" value="$folder" />
 2926: <input name="imsimport" type="button" value="$lt{'imsf'}" onClick="javascript:makeims();" />
 2927: </form>
 2928: ENDFORM
 2929:        }
 2930:        $r->print('</td><td>');
 2931:        unless ($env{'form.pagepath'}) {
 2932: 	   my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 2933:            $r->print(<<ENDFORM);
 2934: <br /><form action="/adm/coursedocs" method="post" name="newfolder">
 2935: <input type="hidden" name="folderpath" value="$path" />
 2936: <input type="hidden" name="importdetail" value="" />
 2937: <span class="LC_nobreak">
 2938: <input name="newfolder" type="button"
 2939: onClick="javascript:makenewfolder(this.form,'$folderseq');"
 2940: value="$lt{'newf'}" />$help{'Adding_Folders'}
 2941: </span>
 2942: </form>
 2943: <br /><form action="/adm/coursedocs" method="post" name="newpage">
 2944: <input type="hidden" name="folderpath" value="$path" />
 2945: <input type="hidden" name="importdetail" value="" />
 2946: <span class="LC_nobreak">
 2947: <input name="newpage" type="button"
 2948: onClick="javascript:makenewpage(this.form,'$pageseq');"
 2949: value="$lt{'newp'}" />$help{'Adding_Pages'}
 2950: </span>
 2951: </form>
 2952: <br /><form action="/adm/coursedocs" method="post" name="newsyl">
 2953: $uploadtag
 2954: <input type="hidden" name="importdetail" 
 2955: value="$lt{'syll'}=/public/$coursedom/$coursenum/syllabus" />
 2956: <span class="LC_nobreak">
 2957: <input name="newsyl" type="submit" value="$lt{'syll'}" /> 
 2958:  $help{'Syllabus'}
 2959: </span>
 2960: </form>
 2961: <br /><form action="/adm/coursedocs" method="post" name="newnav">
 2962: $uploadtag
 2963: <input type="hidden" name="importdetail" 
 2964: value="$lt{'navc'}=/adm/navmaps" />
 2965: <span class="LC_nobreak">
 2966: <input name="newnav" type="submit" value="$lt{'navc'}" />
 2967: $help{'Navigate_Content'}
 2968: </span>
 2969: </form>
 2970: <br /><form action="/adm/coursedocs" method="post" name="newsmppg">
 2971: $uploadtag
 2972: <input type="hidden" name="importdetail" value="" />
 2973: <span class="LC_nobreak">
 2974: <input name="newsmppg" type="button" value="$lt{'sipa'}"
 2975: onClick="javascript:makesmppage();" /> $help{'Simple Page'}
 2976: </span>
 2977: </form>
 2978: <br /><form action="/adm/coursedocs" method="post" name="newsmpproblem">
 2979: $uploadtag
 2980: <input type="hidden" name="importdetail" value="" />
 2981: <span class="LC_nobreak">
 2982: <input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 2983: onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 2984: </span>
 2985: </form>
 2986: <br /><form action="/adm/coursedocs" method="post" name="newdropbox">
 2987: $uploadtag      
 2988: <input type="hidden" name="importdetail" value="" />
 2989: <span class="LC_nobreak">          
 2990: <input name="newdropbox" type="button" value="$lt{'drbx'}"
 2991: onClick="javascript:makedropbox();" />
 2992: </span>         
 2993: </form> 
 2994: <br /><form action="/adm/coursedocs" method="post" name="newexamupload">
 2995: $uploadtag
 2996: <input type="hidden" name="importdetail" value="" />
 2997: <span class="LC_nobreak">
 2998: <input name="newexamupload" type="button" value="$lt{'scuf'}"
 2999: onClick="javascript:makeexamupload();" />
 3000: $help{'Score_Upload_Form'}
 3001: </span>
 3002: </form>
 3003: <br /><form action="/adm/coursedocs" method="post" name="newbul">
 3004: $uploadtag
 3005: <input type="hidden" name="importdetail" value="" />
 3006: <span class="LC_nobreak">
 3007: <input name="newbulletin" type="button" value="$lt{'bull'}"
 3008: onClick="javascript:makebulboard();" />
 3009: $help{'Bulletin Board'}
 3010: </span>
 3011: </form>
 3012: <br /><form action="/adm/coursedocs" method="post" name="newaboutme">
 3013: $uploadtag
 3014: <input type="hidden" name="importdetail" 
 3015: value="$plainname=/adm/$udom/$uname/aboutme" />
 3016: <span class="LC_nobreak">
 3017: <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 3018: $help{'My Personal Info'}
 3019: </span>
 3020: </form>
 3021: <br /><form action="/adm/coursedocs" method="post" name="newaboutsomeone">
 3022: $uploadtag
 3023: <input type="hidden" name="importdetail" value="" />
 3024: <span class="LC_nobreak">
 3025: <input name="newaboutsomeone" type="button" value="$lt{'abou'}" 
 3026: onClick="javascript:makeabout();" />
 3027: </span>
 3028: </form>
 3029: <br /><form action="/adm/coursedocs" method="post" name="newgroupfiles">
 3030: $uploadtag
 3031: <input type="hidden" name="importdetail"
 3032: value="$lt{'grpo'}=/adm/$coursedom/$coursenum/aboutme" />
 3033: <span class="LC_nobreak">
 3034: <input name="newgroupfiles" type="submit" value="$lt{'grpo'}" />
 3035: $help{'Group Files'}
 3036: </span>
 3037: </form>
 3038: <br /><form action="/adm/coursedocs" method="post" name="newroster">
 3039: $uploadtag
 3040: <input type="hidden" name="importdetail" 
 3041: value="$lt{'rost'}=/adm/viewclasslist" />
 3042: <span class="LC_nobreak">
 3043: <input name="newroster" type="submit" value="$lt{'rost'}" />
 3044: $help{'Course Roster'}
 3045: </span>
 3046: </form>
 3047: ENDFORM
 3048:        }
 3049:        if ($env{'form.pagepath'}) {
 3050:            $r->print(<<ENDBLOCK);
 3051: <form action="/adm/coursedocs" method="post" name="newsmpproblem">
 3052: $uploadtag
 3053: <input type="hidden" name="importdetail" value="" />
 3054: <span class="LC_nobreak">
 3055: <input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 3056: onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 3057: </span>
 3058: </form>
 3059: <br /><form action="/adm/coursedocs" method="post" name="newexamupload">
 3060: $uploadtag
 3061: <input type="hidden" name="importdetail" value="" />
 3062: <span class="LC_nobreak">
 3063: <input name="newexamupload" type="button" value="$lt{'scuf'}"
 3064: onClick="javascript:makeexamupload();" />
 3065: $help{'Score_Upload_Form'}
 3066: </span>
 3067: </form>
 3068: ENDBLOCK
 3069:        }
 3070:        $r->print('</td></tr>'."\n".
 3071: '</table>');
 3072:        $r->print('</td></tr>');
 3073:     }
 3074: # ----------------------------------------------------- Supplemental documents
 3075:     if (!$forcestandard) {
 3076:        $r->print('<tr><td class="LC_docs_document">');
 3077: # '<h2>'.&mt('Supplemental Course Documents').
 3078: #  ($allowed?' '.$help{'Supplemental'}:'').'</h2>');
 3079:        my $folder=$env{'form.folder'};
 3080:        unless ($folder=~/^supplemental/) {
 3081: 	   $folder='supplemental';
 3082:        }
 3083:        if ($folder =~ /^supplemental$/ &&
 3084: 	   (($env{'form.folderpath'} =~ /^default\&/) || ($env{'form.folderpath'} eq ''))) {
 3085:           $env{'form.folderpath'} = 'supplemental&'.
 3086:                                     &escape(&mt('Supplemental '.$type.' Documents'));
 3087:        }
 3088:        my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$type);
 3089:        if ($error) {
 3090: 	   $r->print('<p><span class="LC_error">'.$error.'</span></p>');
 3091:        }
 3092:        if ($allowed) {
 3093: 	   my $folderseq=
 3094: 	       '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
 3095: 	       '.sequence';
 3096: 
 3097: 	   my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 3098: 	   $r->print(<<ENDSUPFORM);
 3099: <table class="LC_docs_adddocs"><tr>
 3100: <th>$lt{'upls'}</th>
 3101: <th>$lt{'spec'}</th>
 3102: </tr>
 3103: <tr><td>
 3104: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 3105: <input type="file" name="uploaddoc" size="40" />
 3106: <br />
 3107: <br />
 3108: <span class="LC_nobreak">
 3109: <label>$lt{'parse'}?
 3110: <input type="checkbox" name="parserflag" />
 3111: </label>
 3112: </span>
 3113: <br /><br />
 3114: $lt{'comment'}:<br />
 3115: <textarea cols=50 rows=4 name='comment'>
 3116: </textarea>
 3117: <br />
 3118: <input type="hidden" name="folderpath" value="$path" />
 3119: <input type="hidden" name="cmd" value="upload_supplemental" />
 3120: <span class="LC_nobreak">
 3121: <input type="submit" value="$lt{'upld'}" />
 3122:  $help{'Uploading_From_Harddrive'}
 3123: </span>
 3124: </form>
 3125: </td>
 3126: <td>
 3127: <form action="/adm/coursedocs" method="post" name="supnewfolder">
 3128: <input type="hidden" name="folderpath" value="$path" />
 3129: <input type="hidden" name="importdetail" value="" />
 3130: <span class="LC_nobreak">
 3131: <input name="newfolder" type="button"
 3132: onClick="javascript:makenewfolder(this.form,'$folderseq');"
 3133: value="$lt{'newf'}" /> $help{'Adding_Folders'}
 3134: </span>
 3135: </form>
 3136: <br /><form action="/adm/coursedocs" method="post" name="supnewext">
 3137: <input type="hidden" name="folderpath" value="$path" />
 3138: <input type="hidden" name="importdetail" value="" />
 3139: <span class="LC_nobreak">
 3140: <input name="newext" type="button" 
 3141: onClick="javascript:makenewext('supnewext');"
 3142: value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 3143: </span>
 3144: </form>
 3145: <br /><form action="/adm/coursedocs" method="post" name="supnewsyl">
 3146: <input type="hidden" name="folderpath" value="$path" />
 3147: <input type="hidden" name="importdetail" 
 3148: value="Syllabus=/public/$coursedom/$coursenum/syllabus" />
 3149: <span class="LC_nobreak">
 3150: <input name="newsyl" type="submit" value="$lt{'syll'}" />
 3151: $help{'Syllabus'}
 3152: </span>
 3153: </form>
 3154: <br /><form action="/adm/coursedocs" method="post" name="subnewaboutme">
 3155: <input type="hidden" name="folderpath" value="$path" />
 3156: <input type="hidden" name="importdetail" 
 3157: value="$plainname=/adm/$udom/$uname/aboutme" />
 3158: <span class="LC_nobreak">
 3159: <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 3160: $help{'My Personal Info'}
 3161: </span>
 3162: </form>
 3163: </td></tr>
 3164: </table></td></tr>
 3165: ENDSUPFORM
 3166:        }
 3167:     }
 3168:     $r->print('</table>');
 3169:     if ($allowed) {
 3170: 	$r->print('
 3171: <form method="post" name="extimport" action="/adm/coursedocs">
 3172:   <input type="hidden" name="title" />
 3173:   <input type="hidden" name="url" />
 3174:   <input type="hidden" name="useform" />
 3175:   <input type="hidden" name="residx" />
 3176: </form>');
 3177:     }
 3178:   } else {
 3179:       unless ($upload_result eq 'phasetwo') {
 3180: # -------------------------------------------------------- This is showdoc mode
 3181:           $r->print("<h1>".&mt('Uploaded Document').' - '.
 3182: 		&Apache::lonnet::gettitle($r->uri).'</h1><p>'.
 3183: &mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><table>".
 3184:           &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table>');
 3185:       }
 3186:   }
 3187:  }
 3188:  $r->print(&Apache::loncommon::end_page());
 3189:  return OK;
 3190: } 
 3191: 
 3192: 
 3193: sub editing_js {
 3194:     my ($udom,$uname) = @_;
 3195:     my $now = time();
 3196:     my %lt = &Apache::lonlocal::texthash(
 3197:                                           p_mnf => 'Name of New Folder',
 3198:                                           t_mnf => 'New Folder',
 3199:                                           p_mnp => 'Name of New Page',
 3200:                                           t_mnp => 'New Page',
 3201:                                           p_mxu => 'Title for the Uploaded Score',
 3202:                                           p_msp => 'Title for the Page',
 3203:                                           p_msb => 'Title for the Problem',
 3204:                                           p_mdb => 'Title for the Drop Box',
 3205:                                           p_mbb => 'Title for the Bulletin Board',
 3206:                                           p_mab => "Enter user:domain for User's 'About Me' Page",
 3207:                                           p_mab2 => "About [_99]",
 3208:                                           p_mab_alrt1 => 'Not a valid user:domain',
 3209:                                           p_mab_alrt2 => 'Please enter both user and domain in the format user:domain',
 3210:                                           p_chn => 'New Title',
 3211:                                           p_rmr1 => 'WARNING: Removing a resource makes associated grades and scores inaccessible!',
 3212:                                           p_rmr2a => 'Remove[_99]',
 3213:                                           p_rmr2b => '?[_99]',
 3214:                                           p_ctr1a => 'WARNING: Cutting a resource makes associated grades and scores inaccessible!',
 3215:                                           p_ctr1b => 'Grades remain inaccessible if resource is pasted into another folder.',
 3216:                                           p_ctr2a => 'Cut[_98]',
 3217:                                           p_ctr2b => '?[_98]'
 3218:                                         );
 3219: 
 3220:     return <<ENDNEWSCRIPT;
 3221: function makenewfolder(targetform,folderseq) {
 3222:     var foldername=prompt('$lt{"p_mnf"}','$lt{"t_mnf"}');
 3223:     if (foldername) {
 3224:        targetform.importdetail.value=escape(foldername)+"="+folderseq;
 3225:         targetform.submit();
 3226:     }
 3227: }
 3228: 
 3229: function makenewpage(targetform,folderseq) {
 3230:     var pagename=prompt('$lt{"p_mnp"}','$lt{"t_mnp"}');
 3231:     if (pagename) {
 3232:         targetform.importdetail.value=escape(pagename)+"="+folderseq;
 3233:         targetform.submit();
 3234:     }
 3235: }
 3236: 
 3237: function makenewext(targetname) {
 3238:     this.document.forms.extimport.useform.value=targetname;
 3239:     this.document.forms.extimport.title.value='';
 3240:     this.document.forms.extimport.url.value='';
 3241:     this.document.forms.extimport.residx.value='';
 3242:     window.open('/adm/rat/extpickframe.html');
 3243: }
 3244: 
 3245: function edittext(targetname,residx,title,url) {
 3246:     this.document.forms.extimport.useform.value=targetname;
 3247:     this.document.forms.extimport.residx.value=residx;
 3248:     this.document.forms.extimport.url.value=url;
 3249:     this.document.forms.extimport.title.value=title;
 3250:     window.open('/adm/rat/extpickframe.html');
 3251: }
 3252: 
 3253: function makeexamupload() {
 3254:    var title=prompt('$lt{"p_mxu"}');
 3255:    if (title) { 
 3256:     this.document.forms.newexamupload.importdetail.value=
 3257: 	escape(title)+'=/res/lib/templates/examupload.problem';
 3258:     this.document.forms.newexamupload.submit();
 3259:    }
 3260: }
 3261: 
 3262: function makesmppage() {
 3263:    var title=prompt('$lt{"p_msp"}');
 3264:    if (title) { 
 3265:     this.document.forms.newsmppg.importdetail.value=
 3266: 	escape(title)+'=/adm/$udom/$uname/$now/smppg';
 3267:     this.document.forms.newsmppg.submit();
 3268:    }
 3269: }
 3270: 
 3271: function makesmpproblem() {
 3272:    var title=prompt('$lt{"p_msb"}');
 3273:    if (title) { 
 3274:     this.document.forms.newsmpproblem.importdetail.value=
 3275: 	escape(title)+'=/res/lib/templates/simpleproblem.problem';
 3276:     this.document.forms.newsmpproblem.submit();
 3277:    }
 3278: }
 3279: 
 3280: function makedropbox() {
 3281:    var title=prompt('$lt{"p_mdb"}');
 3282:    if (title) { 
 3283:     this.document.forms.newdropbox.importdetail.value=
 3284:         escape(title)+'=/res/lib/templates/DropBox.problem';
 3285:     this.document.forms.newdropbox.submit();
 3286:    }
 3287: }
 3288: 
 3289: function makebulboard() {
 3290:    var title=prompt('$lt{"p_mbb"}');
 3291:    if (title) {
 3292:     this.document.forms.newbul.importdetail.value=
 3293: 	escape(title)+'=/adm/$udom/$uname/$now/bulletinboard';
 3294:     this.document.forms.newbul.submit();
 3295:    }
 3296: }
 3297: 
 3298: function makeabout() {
 3299:    var user=prompt("$lt{'p_mab'}");
 3300:    if (user) {
 3301:        var comp=new Array();
 3302:        comp=user.split(':');
 3303:        if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {
 3304: 	   if ((comp[0]) && (comp[1])) {
 3305: 	       this.document.forms.newaboutsomeone.importdetail.value=
 3306: 		   '$lt{"p_mab2"}'+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
 3307: 	       this.document.forms.newaboutsomeone.submit();
 3308: 	   } else {
 3309:                alert("$lt{'p_mab_alrt1'}");
 3310:            }
 3311:        } else {
 3312:            alert("$lt{'p_mab_alrt2'}");
 3313:        }
 3314:    }
 3315: }
 3316: 
 3317: function makeims() {
 3318:     var caller = document.forms.ims.folder.value;
 3319:     var newlocation = "/adm/imsimportdocs?folder="+caller+"&phase=one";
 3320:     newWindow = window.open("","IMSimport","HEIGHT=700,WIDTH=750,scrollbars=yes");
 3321:     newWindow.location.href = newlocation;
 3322: }
 3323: 
 3324: 
 3325: function finishpick() {
 3326:     var title=this.document.forms.extimport.title.value;
 3327:     var url=this.document.forms.extimport.url.value;
 3328:     var form=this.document.forms.extimport.useform.value;
 3329:     var residx=this.document.forms.extimport.residx.value;
 3330:     eval('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+'='+residx+'";this.document.forms.'+form+'.submit();');
 3331: }
 3332: 
 3333: function changename(folderpath,index,oldtitle,container,pagesymb) {
 3334:     var title=prompt('$lt{"p_chn"}',oldtitle);
 3335:     if (title) {
 3336: 	this.document.forms.renameform.markcopy.value=-1;
 3337: 	this.document.forms.renameform.title.value=title;
 3338: 	this.document.forms.renameform.cmd.value='rename_'+index;
 3339:         if (container == 'sequence') {
 3340: 	    this.document.forms.renameform.folderpath.value=folderpath;
 3341:         }
 3342:         if (container == 'page') {
 3343:             this.document.forms.renameform.pagepath.value=folderpath;
 3344:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3345:         }
 3346:         this.document.forms.renameform.submit();
 3347:     }
 3348: }
 3349: 
 3350: function removeres(folderpath,index,oldtitle,container,pagesymb,skip_confirm) {
 3351:     if (skip_confirm || confirm('$lt{"p_rmr1"}\\n\\n$lt{"p_rmr2a"} "'+oldtitle+'" $lt{"p_rmr2b"}')) {
 3352: 	this.document.forms.renameform.markcopy.value=-1;
 3353: 	this.document.forms.renameform.cmd.value='del_'+index;
 3354:         if (container == 'sequence') {
 3355:             this.document.forms.renameform.folderpath.value=folderpath;
 3356:         }
 3357:         if (container == 'page') {
 3358:             this.document.forms.renameform.pagepath.value=folderpath;
 3359:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3360:         }
 3361:         this.document.forms.renameform.submit();
 3362:     }
 3363: }
 3364: 
 3365: function cutres(folderpath,index,oldtitle,container,pagesymb,folder,skip_confirm) {
 3366:     if (skip_confirm || confirm('$lt{"p_ctr1a"}\\n$lt{"p_ctr1b"}\\n\\n$lt{"p_ctr2a"} "'+oldtitle+'" $lt{"p_ctr2b"}')) {
 3367: 	this.document.forms.renameform.cmd.value='cut_'+index;
 3368: 	this.document.forms.renameform.markcopy.value=index;
 3369: 	this.document.forms.renameform.copyfolder.value=folder+'.'+container;
 3370:         if (container == 'sequence') {
 3371:             this.document.forms.renameform.folderpath.value=folderpath;
 3372:         }
 3373:         if (container == 'page') {
 3374:             this.document.forms.renameform.pagepath.value=folderpath;
 3375:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3376:         }
 3377:         this.document.forms.renameform.submit();
 3378:     }
 3379: }
 3380: 
 3381: function markcopy(folderpath,index,oldtitle,container,pagesymb,folder) {
 3382:     this.document.forms.renameform.markcopy.value=index;
 3383:     this.document.forms.renameform.copyfolder.value=folder+'.'+container;
 3384:     if (container == 'sequence') {
 3385: 	this.document.forms.renameform.folderpath.value=folderpath;
 3386:     }
 3387:     if (container == 'page') {
 3388: 	this.document.forms.renameform.pagepath.value=folderpath;
 3389: 	this.document.forms.renameform.pagesymb.value=pagesymb;
 3390:     }
 3391:     this.document.forms.renameform.submit();
 3392: }
 3393: 
 3394: ENDNEWSCRIPT
 3395: }
 3396: 1;
 3397: __END__

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