File:  [LON-CAPA] / loncom / interface / londocs.pm
Revision 1.326: download - view: text, annotated - select for diffs
Wed Jan 28 11:51:22 2009 UTC (15 years, 5 months ago) by muellerd
Branches: MAIN
CVS tags: HEAD
- code extracted to new variables to devide code from design

    1: # The LearningOnline Network
    2: # Documents
    3: #
    4: # $Id: londocs.pm,v 1.326 2009/01/28 11:51:22 muellerd Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: 
   30: 
   31: package Apache::londocs;
   32: 
   33: use strict;
   34: use Apache::Constants qw(:common :http);
   35: use Apache::imsexport;
   36: use Apache::lonnet;
   37: use Apache::loncommon;
   38: use LONCAPA::map();
   39: use Apache::lonratedt();
   40: use Apache::lonxml;
   41: use Apache::lonclonecourse;
   42: use Apache::lonnavmaps;
   43: use HTML::Entities;
   44: use GDBM_File;
   45: use Apache::lonlocal;
   46: use Cwd;
   47: use LONCAPA qw(:DEFAULT :match);
   48: 
   49: my $iconpath;
   50: 
   51: my %hash;
   52: 
   53: my $hashtied;
   54: my %alreadyseen=();
   55: 
   56: my $hadchanges;
   57: 
   58: 
   59: my %help=();
   60: 
   61: 
   62: sub mapread {
   63:     my ($coursenum,$coursedom,$map)=@_;
   64:     return
   65:       &LONCAPA::map::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   66: 			     $map);
   67: }
   68: 
   69: sub storemap {
   70:     my ($coursenum,$coursedom,$map)=@_;
   71:     my ($outtext,$errtext)=
   72:       &LONCAPA::map::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   73: 			      $map,1);
   74:     if ($errtext) { return ($errtext,2); }
   75:     
   76:     $hadchanges=1;
   77:     return ($errtext,0);
   78: }
   79: 
   80: 
   81: 
   82: sub authorhosts {
   83:     my %outhash=();
   84:     my $home=0;
   85:     my $other=0;
   86:     foreach my $key (keys(%env)) {
   87: 	if ($key=~/^user\.role\.(au|ca)\.(.+)$/) {
   88: 	    my $role=$1;
   89: 	    my $realm=$2;
   90: 	    my ($start,$end)=split(/\./,$env{$key});
   91: 	    if (($start) && ($start>time)) { next; }
   92: 	    if (($end) && (time>$end)) { next; }
   93: 	    my ($ca,$cd);
   94: 	    if ($1 eq 'au') {
   95: 		$ca=$env{'user.name'};
   96: 		$cd=$env{'user.domain'};
   97: 	    } else {
   98: 		($cd,$ca)=($realm=~/^\/($match_domain)\/($match_username)$/);
   99: 	    }
  100: 	    my $allowed=0;
  101: 	    my $myhome=&Apache::lonnet::homeserver($ca,$cd);
  102: 	    my @ids=&Apache::lonnet::current_machine_ids();
  103: 	    foreach my $id (@ids) { if ($id eq $myhome) { $allowed=1; } }
  104: 	    if ($allowed) {
  105: 		$home++;
  106: 		$outhash{'home_'.$ca.'@'.$cd}=1;
  107: 	    } else {
  108: 		$outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;
  109: 		$other++;
  110: 	    }
  111: 	}
  112:     }
  113:     return ($home,$other,%outhash);
  114: }
  115: 
  116: 
  117: sub dumpbutton {
  118:     my ($home,$other,%outhash)=&authorhosts();
  119:     my $type = &Apache::loncommon::course_type();
  120:     if ($home+$other==0) { return ''; }
  121:     if ($home) {
  122: 	return '<div>'.
  123: 	    '<input type="submit" name="dumpcourse" value="'.
  124: 	    &mt('Dump '.$type.' DOCS to Construction Space').'" />'.
  125: 	    &Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs').
  126: 	    '</div>';
  127:     } else {
  128: 	return '<div>'.
  129:      &mt('Dump '.$type.
  130: 	 ' DOCS to Construction Space: available on other servers').
  131: 	 '</div>';
  132:     }
  133: }
  134: 
  135: sub clean {
  136:     my ($title)=@_;
  137:     $title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
  138:     return $title;	
  139: }
  140: 
  141: 
  142: 
  143: sub dumpcourse {
  144:     my ($r) = @_;
  145:     my $type = &Apache::loncommon::course_type();
  146:     $r->print(&Apache::loncommon::start_page('Dump '.$type.' DOCS to Construction Space').
  147: 	      '<form name="dumpdoc" method="post">');
  148:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Dump '.$type.' DOCS to Construction Space'));
  149:     my ($home,$other,%outhash)=&authorhosts();
  150:     unless ($home) { return ''; }
  151:     my $origcrsid=$env{'request.course.id'};
  152:     my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
  153:     if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
  154: # Do the dumping
  155: 	unless ($outhash{'home_'.$env{'form.authorspace'}}) { return ''; }
  156: 	my ($ca,$cd)=split(/\@/,$env{'form.authorspace'});
  157: 	$r->print('<h3>'.&mt('Copying Files').'</h3>');
  158: 	my $title=$env{'form.authorfolder'};
  159: 	$title=&clean($title);
  160: 	my %replacehash=();
  161: 	foreach my $key (keys(%env)) {
  162: 	    if ($key=~/^form\.namefor\_(.+)/) {
  163: 		$replacehash{$1}=$env{$key};
  164: 	    }
  165: 	}
  166: 	my $crs='/uploaded/'.$env{'request.course.id'}.'/';
  167: 	$crs=~s/\_/\//g;
  168: 	foreach my $item (keys(%replacehash)) {
  169: 	    my $newfilename=$title.'/'.$replacehash{$item};
  170: 	    $newfilename=~s/\.(\w+)$//;
  171: 	    my $ext=$1;
  172: 	    $newfilename=&clean($newfilename);
  173: 	    $newfilename.='.'.$ext;
  174: 	    my @dirs=split(/\//,$newfilename);
  175: 	    my $path='/home/'.$ca.'/public_html';
  176: 	    my $makepath=$path;
  177: 	    my $fail=0;
  178: 	    for (my $i=0;$i<$#dirs;$i++) {
  179: 		$makepath.='/'.$dirs[$i];
  180: 		unless (-e $makepath) { 
  181: 		    unless(mkdir($makepath,0777)) { $fail=1; } 
  182: 		}
  183: 	    }
  184: 	    $r->print('<br /><tt>'.$item.'</tt> => <tt>'.$newfilename.'</tt>: ');
  185: 	    if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
  186: 		if ($item=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
  187: 		    print $fh &Apache::lonclonecourse::rewritefile(
  188:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$item),
  189: 				     (%replacehash,$crs => '')
  190: 								    );
  191: 		} else {
  192: 		    print $fh
  193:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$item);
  194: 		       }
  195: 		$fh->close();
  196: 	    } else {
  197: 		$fail=1;
  198: 	    }
  199: 	    if ($fail) {
  200: 		$r->print('<span class="LC_error">'.&mt('fail').'</span>');
  201: 	    } else {
  202: 		$r->print('<span class="LC_success">'.&mt('ok').'</span>');
  203: 	    }
  204: 	}
  205:     } else {
  206: # Input form
  207: 	unless ($home==1) {
  208: 	    $r->print(
  209: 		      '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');
  210: 	}
  211: 	foreach my $key (sort(keys(%outhash))) {
  212: 	    if ($key=~/^home_(.+)$/) {
  213: 		if ($home==1) {
  214: 		    $r->print(
  215: 		  '<input type="hidden" name="authorspace" value="'.$1.'" />');
  216: 		} else {
  217: 		    $r->print('<option value="'.$1.'">'.$1.' - '.
  218: 			      &Apache::loncommon::plainname(split(/\@/,$1)).'</option>');
  219: 		}
  220: 	    }
  221: 	}
  222: 	unless ($home==1) {
  223: 	    $r->print('</select>');
  224: 	}
  225: 	my $title=$origcrsdata{'description'};
  226: 	$title=~s/[\/\s]+/\_/gs;
  227: 	$title=&clean($title);
  228: 	$r->print('<h3>'.&mt('Folder in Construction Space').'</h3>'
  229:                  .'<input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
  230: 	&tiehash();
  231: 	$r->print('<h3>'.&mt('Filenames in Construction Space').'</h3>'
  232:                  .&Apache::loncommon::start_data_table()
  233:                  .&Apache::loncommon::start_data_table_header_row()
  234:                  .'<th>'.&mt('Internal Filename').'</th>'
  235:                  .'<th>'.&mt('Title').'</th>'
  236:                  .'<th>'.&mt('Save as ...').'</th>'
  237:                  .&Apache::loncommon::end_data_table_header_row());
  238: 	foreach my $file (&Apache::lonclonecourse::crsdirlist($origcrsid,'userfiles')) {
  239: 	    $r->print(&Apache::loncommon::start_data_table_row()
  240:                      .'<td>'.$file.'</td>');
  241: 	    my ($ext)=($file=~/\.(\w+)$/);
  242: 	    my $title=$hash{'title_'.$hash{
  243: 		'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$file}};
  244: 	    $r->print('<td>'.($title?$title:'&nbsp;').'</td>');
  245: 	    if (!$title) {
  246: 		$title=$file;
  247: 	    } else {
  248: 		$title=~s|/|_|g;
  249: 	    }
  250: 	    $title=~s/\.(\w+)$//;
  251: 	    $title=&clean($title);
  252: 	    $title.='.'.$ext;
  253: 	    $r->print("\n<td><input type='text' size='60' name='namefor_".$file."' value='".$title."' /></td>"
  254:                      .&Apache::loncommon::end_data_table_row());
  255: 	}
  256: 	$r->print(&Apache::loncommon::end_data_table());
  257: 	&untiehash();
  258: 	$r->print(
  259:   '<p><input type="submit" name="dumpcourse" value="'.&mt("Dump $type DOCS").'" /></p></form>');
  260:     }
  261: }
  262: 
  263: 
  264: 
  265: sub exportbutton {
  266:     my $type = &Apache::loncommon::course_type();
  267:     return '<div>'.
  268:             '<input type="submit" name="exportcourse" value="'.
  269:             &mt('Export '.$type.' to IMS').'" />'.
  270:     &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs').'</div>';
  271: }
  272: 
  273: 
  274: 
  275: sub exportcourse {
  276:     my $r=shift;
  277:     my $type = &Apache::loncommon::course_type();
  278:     my %discussiontime = &Apache::lonnet::dump('discussiontimes',
  279:                                                $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
  280:     my $numdisc = keys(%discussiontime);
  281:     my $navmap = Apache::lonnavmaps::navmap->new();
  282:     if (!defined($navmap)) {
  283:         $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package').
  284:                   '<h2>IMS Export Failed</h2>'.
  285:                   '<div class="LC_error">'.
  286:                   &mt('Unable to retrieve information about course contents').
  287:                   '</div><a href="/adm/coursedocs">'.&mt('Return to Course Editor').'</a>');
  288:         &Apache::lonnet::logthis('IMS export failed - could not create navmap object in '.lc($type).':'.$env{'request.course.id'});
  289:         return;
  290:     }
  291:     my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
  292:     my $curRes;
  293:     my $outcome;
  294: 
  295:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  296:                                             ['finishexport']);
  297:     if ($env{'form.finishexport'}) {
  298:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  299:                                             ['archive','discussion']);
  300: 
  301:         my @exportitems = &Apache::loncommon::get_env_multiple('form.archive');
  302:         my @discussions = &Apache::loncommon::get_env_multiple('form.discussion');
  303:         if (@exportitems == 0 && @discussions == 0) {
  304:             $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';
  305:         } else {
  306:             my $now = time;
  307:             my %symbs;
  308:             my $manifestok = 0;
  309:             my $imsresources;
  310:             my $tempexport;
  311:             my $copyresult;
  312:             my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
  313:             if ($manifestok) {
  314:                 &build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest);
  315:                 close($ims_manifest);
  316: 
  317: #Create zip file in prtspool
  318:                 my $imszipfile = '/prtspool/'.
  319:                 $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
  320:                    time.'_'.rand(1000000000).'.zip';
  321:                 my $cwd = &Cwd::getcwd();
  322:                 my $imszip = '/home/httpd/'.$imszipfile;
  323:                 chdir $tempexport;
  324:                 open(OUTPUT, "zip -r $imszip *  2> /dev/null |");
  325:                 close(OUTPUT);
  326:                 chdir $cwd;
  327:                 $outcome .= &mt('Download the zip file from <a href="[_1]">IMS '.lc($type).' archive</a><br />',$imszipfile,);
  328:                 if ($copyresult) {
  329:                     $outcome .= &mt('The following errors occurred during export - [_1]',$copyresult);
  330:                 }
  331:             } else {
  332:                 $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 />';
  333:             }
  334:         }
  335:         $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package'));
  336: 	$r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
  337:         $r->print($outcome);
  338:         $r->print(&Apache::loncommon::end_page());
  339:     } else {
  340:         my $display;
  341:         $display = '<form name="exportdoc" method="post">'."\n";
  342:         $display .= &mt('Choose which items you wish to export from your '.$type.'.<br /><br />');
  343:         $display .= '<table border="0" cellspacing="0" cellpadding="3">'.
  344:                     '<tr><td><fieldset><legend>&nbsp;<b>Content items</b></legend>'.
  345:                     '<input type="button" value="check all" '.
  346:                     'onclick="javascript:checkAll(document.exportdoc.archive)" />'.
  347:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  348:                     ' onclick="javascript:uncheckAll(document.exportdoc.archive)" /></fieldset></td>'.
  349:                     '<td>&nbsp;</td><td>&nbsp;</td>'.
  350:                     '<td align="right"><fieldset><legend>&nbsp;<b>Discussion posts'.
  351:                     '</b></legend><input type="button" value="check all"'.
  352:                     ' onclick="javascript:checkAll(document.exportdoc.discussion)" />'.
  353:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  354:                     ' onclick="javascript:uncheckAll(document.exportdoc.discussion)" /></fieldset></td>'.
  355:                     '</tr></table>';
  356:         my $curRes;
  357:         my $depth = 0;
  358:         my $count = 0;
  359:         my $boards = 0;
  360:         my $startcount = 5;
  361:         my %parent = ();
  362:         my %children = ();
  363:         my $lastcontainer = $startcount;
  364:         my @bgcolors = ('#F6F6F6','#FFFFFF');
  365:         $display .= '<table cellspacing="0"><tr>'.
  366:             '<td><b>Export content item?<br /></b></td><td>&nbsp;</td><td align="right">'."\n";
  367:         if ($numdisc > 0) {
  368:             $display.='<b>Export&nbsp;discussion posts?</b>'."\n";
  369:         }
  370:         $display.='&nbsp;</td></tr>';
  371:         while ($curRes = $it->next()) {
  372:             if (ref($curRes)) {
  373:                 $count ++;
  374:             }
  375:             if ($curRes == $it->BEGIN_MAP()) {
  376:                 $depth++;
  377:                 $parent{$depth} = $lastcontainer;
  378:             }
  379:             if ($curRes == $it->END_MAP()) {
  380:                 $depth--;
  381:                 $lastcontainer = $parent{$depth};
  382:             }
  383:             if (ref($curRes)) {
  384:                 my $symb = $curRes->symb();
  385:                 my $ressymb = $symb;
  386:                 if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
  387:                     unless ($ressymb =~ m|adm/wrapper/adm|) {
  388:                         $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  389:                     }
  390:                 }
  391:                 my $color = $count%2;
  392:                 $display .='<tr bgcolor='.$bgcolors[$color].'><td>'."\n".
  393:                     '<input type="checkbox" name="archive" value="'.$count.'" ';
  394:                 if (($curRes->is_sequence()) || ($curRes->is_page())) {
  395:                     my $checkitem = $count + $boards + $startcount;
  396:                     $display .= 'onClick="javascript:propagateCheck('."'$checkitem'".')"';
  397:                 }
  398:                 $display .= ' />'."\n";
  399:                 for (my $i=0; $i<$depth; $i++) {
  400:                     $display .= '<img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" /><img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" />'."\n";
  401:                 }
  402:                 if ($curRes->is_sequence()) {
  403:                     $display .= '<img src="/adm/lonIcons/navmap.folder.open.gif">&nbsp;'."\n";
  404:                     $lastcontainer = $count + $startcount + $boards;
  405:                 } elsif ($curRes->is_page()) {
  406:                     $display .= '<img src="/adm/lonIcons/navmap.page.open.gif">&nbsp;'."\n";
  407:                     $lastcontainer = $count + $startcount + $boards;
  408:                 }
  409:                 my $currelem = $count+$boards+$startcount;
  410:                 $children{$parent{$depth}} .= $currelem.':';
  411:                 $display .= '&nbsp;'.$curRes->title().'</td>';
  412:                 if ($discussiontime{$ressymb} > 0) {
  413:                     $boards ++;
  414:                     $currelem = $count+$boards+$startcount;
  415:                     $display .= '<td>&nbsp;</td><td align="right"><input type="checkbox" name="discussion" value="'.$count.'" />&nbsp;</td>'."\n";
  416:                 } else {
  417:                     $display .= '<td colspan="2">&nbsp;</td>'."\n";
  418:                 }
  419:             }
  420:         }
  421:         my $scripttag = qq|
  422: <script>
  423: 
  424: function checkAll(field) {
  425:     if (field.length > 0) {
  426:         for (i = 0; i < field.length; i++) {
  427:             field[i].checked = true ;
  428:         }
  429:     } else {
  430:         field.checked = true
  431:     }
  432: }
  433:                                                                                 
  434: function uncheckAll(field) {
  435:     if (field.length > 0) {
  436:         for (i = 0; i < field.length; i++) {
  437:             field[i].checked = false ;
  438:         }
  439:     } else {
  440:         field.checked = false ;
  441:     }
  442: }
  443: 
  444: function propagateCheck(item) {
  445:     if (document.exportdoc.elements[item].checked == true) {
  446:         containerCheck(item)
  447:     }
  448: } 
  449: 
  450: function containerCheck(item) {
  451:     document.exportdoc.elements[item].checked = true
  452:     var numitems = $count + $boards + $startcount
  453:     var parents = new Array(numitems)
  454:     for (var i=$startcount; i<numitems; i++) {
  455:         parents[i] = new Array
  456:     }
  457:         |;
  458: 
  459:         foreach my $container (sort { $a <=> $b } (keys(%children))) {
  460:             my @contents = split(/:/,$children{$container});
  461:             for (my $i=0; $i<@contents; $i ++) {
  462:                 $scripttag .= '    parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
  463:             }
  464:         }
  465: 
  466:         $scripttag .= qq|
  467:     if (parents[item].length > 0) {
  468:         for (var j=0; j<parents[item].length; j++) {
  469:             containerCheck(parents[item][j])
  470:         }
  471:      }   
  472: }
  473: 
  474: </script>
  475:         |;
  476: 	$r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package',
  477: 						 $scripttag));
  478: 	$r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
  479: 	$r->print($display.'</table>'.
  480:                   '<p><input type="hidden" name="finishexport" value="1">'.
  481:                   '<input type="submit" name="exportcourse" value="'.
  482:                   &mt('Export '.$type.' DOCS').'" /></p></form>');
  483:     }
  484: }
  485: 
  486: sub create_ims_store {
  487:     my ($now,$manifestok,$outcome,$tempexport) = @_;
  488:     $$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
  489:     my $ims_manifest;
  490:     if (!-e $$tempexport) {
  491:         mkdir($$tempexport,0700);
  492:     }
  493:     $$tempexport .= '/'.$now;
  494:     if (!-e $$tempexport) {
  495:         mkdir($$tempexport,0700);
  496:     }
  497:     $$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
  498:     if (!-e $$tempexport) {
  499:         mkdir($$tempexport,0700);
  500:     }
  501:     if (!-e "$$tempexport/resources") {
  502:         mkdir("$$tempexport/resources",0700);
  503:     }
  504: # open manifest file
  505:     my $manifest = '/imsmanifest.xml';
  506:     my $manifestfilename = $$tempexport.$manifest;
  507:     if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
  508:         $$manifestok=1;
  509:         print $ims_manifest
  510: '<?xml version="1.0" encoding="UTF-8"?>'."\n".
  511: '<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"'.
  512: ' xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"'.
  513: ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'.
  514: ' identifier="MANIFEST-'.$env{'request.course.id'}.'-'.$now.'"'.
  515: '  xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1imscp_v1p1.xsd'.
  516: '  http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">'."\n".
  517: '  <metadata>
  518:     <schema></schema>
  519:     <imsmd:lom>
  520:       <imsmd:general>
  521:         <imsmd:identifier>'.$env{'request.course.id'}.'</imsmd:identifier>
  522:         <imsmd:title>
  523:           <imsmd:langstring xml:lang="en">'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</imsmd:langstring>
  524:         </imsmd:title>
  525:       </imsmd:general>
  526:     </imsmd:lom>
  527:   </metadata>'."\n".
  528: '  <organizations default="ORG-'.$env{'request.course.id'}.'-'.$now.'">'."\n".
  529: '    <organization identifier="ORG-'.$env{'request.course.id'}.'-'.$now.'"'.
  530: ' structure="hierarchical">'."\n".
  531: '      <title>'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</title>'
  532:     } else {
  533:         $$outcome .= 'An error occurred opening the IMS manifest file.<br />'
  534: ;
  535:     }
  536:     return $ims_manifest;
  537: }
  538: 
  539: sub build_package {
  540:     my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
  541: # first iterator to look for dependencies
  542:     my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  543:     my $curRes;
  544:     my $count = 0;
  545:     my $depth = 0;
  546:     my $lastcontainer = 0;
  547:     my %parent = ();
  548:     my @dependencies = ();
  549:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  550:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  551:     while ($curRes = $it->next()) {
  552:         if (ref($curRes)) {
  553:             $count ++;
  554:         }
  555:         if ($curRes == $it->BEGIN_MAP()) {
  556:             $depth++;
  557:             $parent{$depth} = $lastcontainer;
  558:         }
  559:         if ($curRes == $it->END_MAP()) {
  560:             $depth--;
  561:             $lastcontainer = $parent{$depth};
  562:         }
  563:         if (ref($curRes)) {
  564:             if ($curRes->is_sequence() || $curRes->is_page()) {
  565:                 $lastcontainer = $count;
  566:             }
  567:             if (grep(/^$count$/,@$exportitems)) {
  568:                 &get_dependencies($exportitems,\%parent,$depth,\@dependencies);
  569:             }
  570:         }
  571:     }
  572: # second iterator to build manifest and store resources
  573:     $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  574:     $depth = 0;
  575:     my $prevdepth;
  576:     $count = 0;
  577:     my $imsresources;
  578:     my $pkgdepth;
  579:     while ($curRes = $it->next()) {
  580:         if ($curRes == $it->BEGIN_MAP()) {
  581:             $prevdepth = $depth;
  582:             $depth++;
  583:         }
  584:         if ($curRes == $it->END_MAP()) {
  585:             $prevdepth = $depth;
  586:             $depth--;
  587:         }
  588: 
  589:         if (ref($curRes)) {
  590:             $count ++;
  591:             if ((grep(/^$count$/,@$exportitems)) || (grep(/^$count$/,@dependencies))) {
  592:                 my $symb = $curRes->symb();
  593:                 my $isvisible = 'true';
  594:                 my $resourceref;
  595:                 if ($curRes->randomout()) {
  596:                     $isvisible = 'false';
  597:                 }
  598:                 unless ($curRes->is_sequence()) {
  599:                     $resourceref = 'identifierref="RES-'.$env{'request.course.id'}.'-'.$count.'"';
  600:                 }
  601:                 my $step = $prevdepth - $depth;
  602:                 if (($step >= 0) && ($count > 1)) {
  603:                     while ($step >= 0) {
  604:                         print $ims_manifest "\n".'  </item>'."\n";
  605:                         $step --;
  606:                     }
  607:                 }
  608:                 $prevdepth = $depth;
  609: 
  610:                 my $itementry =
  611:               '<item identifier="ITEM-'.$env{'request.course.id'}.'-'.$count.
  612:               '" isvisible="'.$isvisible.'" '.$resourceref.'>'.
  613:               '<title>'.$curRes->title().'</title>';
  614:                 print $ims_manifest "\n".$itementry;
  615: 
  616:                 unless ($curRes->is_sequence()) {
  617:                     my $content_file;
  618:                     my @hrefs = ();
  619:                     &process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport);
  620:                     if ($content_file) {
  621:                         $imsresources .= "\n".
  622:                      '   <resource identifier="RES-'.$env{'request.course.id'}.'-'.$count.
  623:                      '" type="webcontent" href="'.$content_file.'">'."\n".
  624:                      '       <file href="'.$content_file.'" />'."\n";
  625:                         foreach my $item (@hrefs) {
  626:                             $imsresources .=
  627:                      '        <file href="'.$item.'" />'."\n";
  628:                         }
  629:                         if (grep(/^$count$/,@$discussions)) {
  630:                             my $ressymb = $symb;
  631:                             my $mode;
  632:                             if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
  633:                                 unless ($ressymb =~ m|adm/wrapper/adm|) {
  634:                                     $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  635:                                 }
  636:                                 $mode = 'board';
  637:                             }
  638:                             my %extras = (
  639:                                           caller => 'imsexport',
  640:                                           tempexport => $tempexport.'/resources',
  641:                                           count => $count
  642:                                          );
  643:                             my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras);
  644:                         }
  645:                         $imsresources .= '    </resource>'."\n";
  646:                     }
  647:                 }
  648:                 $pkgdepth = $depth;
  649:             }
  650:         }
  651:     }
  652:     while ($pkgdepth > 0) {
  653:         print $ims_manifest "    </item>\n";
  654:         $pkgdepth --;
  655:     }
  656:     my $resource_text = qq|
  657:     </organization>
  658:   </organizations>
  659:   <resources>
  660:     $imsresources
  661:   </resources>
  662: </manifest>
  663:     |;
  664:     print $ims_manifest $resource_text;
  665: }
  666: 
  667: sub get_dependencies {
  668:     my ($exportitems,$parent,$depth,$dependencies) = @_;
  669:     if ($depth > 1) {
  670:         if ((!grep(/^$$parent{$depth}$/,@$exportitems)) && (!grep(/^$$parent{$depth}$/,@$dependencies))) {
  671:             push(@{$dependencies},$$parent{$depth});
  672:             if ($depth > 2) {
  673:                 &get_dependencies($exportitems,$parent,$depth-1,$dependencies);
  674:             }
  675:         }
  676:     }
  677: }
  678: 
  679: sub process_content {
  680:     my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
  681:     my $content_type;
  682:     my $message;
  683:     my @uploads = ();
  684:     if ($curRes->is_sequence()) {
  685:         $content_type = 'sequence';
  686:     } elsif ($curRes->is_page()) {
  687:         $content_type = 'page'; # need to handle individual items in pages.
  688:     } elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
  689:         $content_type = 'syllabus';
  690:         my $contents = &Apache::imsexport::templatedpage($content_type);
  691:         if ($contents) {
  692:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  693:         }
  694:     } elsif ($symb =~ m-\.sequence___\d+___ext-) {
  695:         $content_type = 'external';
  696:         my $title = $curRes->title;
  697:         my $contents =  &Apache::imsexport::external($symb,$title);
  698:         if ($contents) {
  699:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  700:         }
  701:     } elsif ($symb =~ m-adm/navmaps$-) {
  702:         $content_type =  'navmap';
  703:     } elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) {
  704:         $content_type = 'simplepage';
  705:         my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads);
  706:         if ($contents) {
  707:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  708:         }
  709:     } elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) {
  710:         $content_type = 'simpleproblem';
  711:         my $contents =  &Apache::imsexport::simpleproblem($symb);
  712:         if ($contents) {
  713:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  714:         }
  715:     } elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
  716:         $content_type = 'examupload';
  717:     } elsif ($symb =~ m-adm/($match_domain)/($match_username)/(\d+)/bulletinboard$-) {
  718:         $content_type = 'bulletinboard';
  719:         my $contents =  &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
  720:         if ($contents) {
  721:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  722:         }
  723:     } elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) {
  724:         $content_type = 'aboutme';
  725:         my $contents =  &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2);
  726:         if ($contents) {
  727:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  728:         }
  729:     } elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) {
  730:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  731:     } elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) {
  732:         my $canedit = 0;
  733:         if ($2 eq $env{'user.domain'} && $3 eq $env{'user.name'})  {
  734:             $canedit= 1;
  735:         }
  736: # only include problem code where current user is author
  737:         if ($canedit) {
  738:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource');
  739:         } else {
  740:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit');
  741:         }
  742:     } elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
  743:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  744:     }
  745:     if (@uploads > 0) {
  746:         foreach my $item (@uploads) {
  747:             my $uploadmsg = '';
  748:             &replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload');
  749:             if ($uploadmsg) {
  750:                 $$copyresult .= $uploadmsg."\n";
  751:             }
  752:         }
  753:     }
  754:     if ($message) {
  755:         $$copyresult .= $message."\n";
  756:     }
  757: }
  758: 
  759: sub replicate_content {
  760:     my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
  761:     my ($map,$ind,$url);
  762:     if ($caller eq 'templateupload') {
  763:         $url = $symb;
  764:         $url =~ s#//#/#g;
  765:     } else { 
  766:         ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
  767:     }
  768:     my $content;
  769:     my $filename;
  770:     my $repstatus;
  771:     my $content_name;
  772:     if ($url =~ m-/([^/]+)$-) {
  773:         $filename = $1;
  774:         if (!-e $tempexport.'/resources') {
  775:             mkdir($tempexport.'/resources',0700);
  776:         }
  777:         if (!-e $tempexport.'/resources/'.$count) {
  778:             mkdir($tempexport.'/resources/'.$count,0700);
  779:         }
  780:         my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
  781:         my $copiedfile;
  782:         if ($copiedfile = Apache::File->new('>'.$destination)) {
  783:             my $content;
  784:             if ($caller eq 'resource') {
  785:                 my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
  786:                 my $filepath = &Apache::lonnet::filelocation($respath,$url);
  787:                 $content = &Apache::lonnet::getfile($filepath);
  788:                 if ($content eq -1) {
  789:                     $$message = 'Could not copy file '.$filename;
  790:                 } else {
  791:                     &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'resource');
  792:                     $repstatus = 'ok';
  793:                 }
  794:             } elsif ($caller eq 'uploaded' || $caller eq 'templateupload') {
  795:                 my $rtncode;
  796:                 $repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode);
  797:                 if ($repstatus eq 'ok') {
  798:                     if ($url =~ /\.html?$/i) {
  799:                         &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'uploaded');
  800:                     }
  801:                 } else {
  802:                     $$message = 'Could not render '.$url.' server message - '.$rtncode."<br />\n";
  803:                 }
  804:             } elsif ($caller eq 'noedit') {
  805: # Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this. 
  806:                 $repstatus = 'ok';
  807:                 $content = 'Not the owner of this resource'; 
  808:             }
  809:             if ($repstatus eq 'ok') {
  810:                 print $copiedfile $content;
  811:             }
  812:             close($copiedfile);
  813:         } else {
  814:             $$message = 'Could not open destination file for '.$filename."<br />\n";
  815:         }
  816:     } else {
  817:         $$message = 'Could not determine name of file for '.$symb."<br />\n";
  818:     }
  819:     if ($repstatus eq 'ok') {
  820:         $content_name = 'resources/'.$count.'/'.$filename;
  821:     }
  822:     return $content_name;
  823: }
  824: 
  825: sub extract_media {
  826:     my ($url,$cdom,$cnum,$content,$count,$tempexport,$href,$message,$caller) = @_;
  827:     my ($dirpath,$container);
  828:     my %allfiles = ();
  829:     my %codebase = ();
  830:     if ($url =~ m-(.*/)([^/]+)$-) {
  831:         $dirpath = $1;
  832:         $container = $2;
  833:     } else {
  834:         $dirpath = $url;
  835:         $container = '';
  836:     }
  837:     &Apache::lonnet::extract_embedded_items(undef,\%allfiles,\%codebase,$content);
  838:     foreach my $embed_file (keys(%allfiles)) {
  839:         my $filename;
  840:         if ($embed_file =~ m#([^/]+)$#) {
  841:             $filename = $1;
  842:         } else {
  843:             $filename = $embed_file;
  844:         }
  845:         my $newname = 'res/'.$filename;
  846:         my ($rtncode,$embed_content,$repstatus);
  847:         my $embed_url;
  848:         if ($embed_file =~ m-^/-) {
  849:             $embed_url = $embed_file;           # points to absolute path
  850:         } else {
  851:             if ($embed_file =~ m-https?://-) {
  852:                 next;                           # points to url
  853:             } else {
  854:                 $embed_url = $dirpath.$embed_file;  # points to relative path
  855:             }
  856:         }
  857:         if ($caller eq 'resource') {
  858:             my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';  
  859:             my $embed_path = &Apache::lonnet::filelocation($respath,$embed_url); 
  860:             $embed_content = &Apache::lonnet::getfile($embed_path);
  861:             unless ($embed_content eq -1) {
  862:                 $repstatus = 'ok';
  863:             }
  864:         } elsif ($caller eq 'uploaded') {
  865:             
  866:             $repstatus = &Apache::lonnet::getuploaded('GET',$embed_url,$cdom,$cnum,\$embed_content,$rtncode);
  867:         }
  868:         if ($repstatus eq 'ok') {
  869:             my $destination = $tempexport.'/resources/'.$count.'/res';
  870:             if (!-e "$destination") {
  871:                 mkdir($destination,0755);
  872:             }
  873:             $destination .= '/'.$filename;
  874:             my $copiedfile;
  875:             if ($copiedfile = Apache::File->new('>'.$destination)) {
  876:                 print $copiedfile $embed_content;
  877:                 push(@{$href},'resources/'.$count.'/res/'.$filename);
  878:                 my $attrib_regexp = '';
  879:                 if (@{$allfiles{$embed_file}} > 1) {
  880:                     $attrib_regexp = join('|',@{$allfiles{$embed_file}});
  881:                 } else {
  882:                     $attrib_regexp = $allfiles{$embed_file}[0];
  883:                 }
  884:                 $$content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$embed_file\E(['"]?)#$1$newname$2#gi;
  885:                 if ($caller eq 'resource' && $container =~ /\.(problem|library)$/) {
  886:                     $$content =~ s#\Q$embed_file\E#$newname#gi;
  887:                 }
  888:             }
  889:         } else {
  890:             $$message .= 'replication of embedded file - '.$embed_file.' in '.$url.' failed, reason -'.$rtncode."<br />\n";
  891:         }
  892:     }
  893:     return;
  894: }
  895: 
  896: sub store_template {
  897:     my ($contents,$tempexport,$count,$content_type) = @_;
  898:     if ($contents) {
  899:         if ($tempexport) {
  900:             if (!-e $tempexport.'/resources') {
  901:                 mkdir($tempexport.'/resources',0700);
  902:             }
  903:             if (!-e $tempexport.'/resources/'.$count) {
  904:                 mkdir($tempexport.'/resources/'.$count,0700);
  905:             }
  906:             my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml';
  907:             my $storetemplate;
  908:             if ($storetemplate = Apache::File->new('>'.$destination)) {
  909:                 print $storetemplate $contents;
  910:                 close($storetemplate);
  911:             }
  912:             if ($content_type eq 'external') {
  913:                 return 'resources/'.$count.'/'.$content_type.'.html';
  914:             } else {
  915:                 return 'resources/'.$count.'/'.$content_type.'.xml';
  916:             }
  917:         }
  918:     }
  919: }
  920: 
  921: 
  922: sub group_import {
  923:     my ($coursenum, $coursedom, $folder, $container, $caller, @files) = @_;
  924: 
  925:     while (@files) {
  926: 	my ($name, $url, $residx) = @{ shift(@files) };
  927:         if (($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/(default_\d+\.)(page|sequence)$}) 
  928: 	     && ($caller eq 'londocs')
  929: 	     && (!&Apache::lonnet::stat_file($url))) {
  930: 	    
  931:             my $errtext = '';
  932:             my $fatal = 0;
  933:             my $newmapstr = '<map>'."\n".
  934:                             '<resource id="1" src="" type="start"></resource>'."\n".
  935:                             '<link from="1" to="2" index="1"></link>'."\n".
  936:                             '<resource id="2" src="" type="finish"></resource>'."\n".
  937:                             '</map>';
  938:             $env{'form.output'}=$newmapstr;
  939:             my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
  940:                                                 'output',$1.$2);
  941:             if ($result != m|^/uploaded/|) {
  942:                 $errtext.='Map not saved: A network error occurred when trying to save the new map. ';
  943:                 $fatal = 2;
  944:             }
  945:             if ($fatal) {
  946:                 return ($errtext,$fatal);
  947:             }
  948:         }
  949: 	if ($url) {
  950: 	    if (!$residx 
  951: 		|| defined($LONCAPA::map::zombies[$residx])) {
  952: 		$residx = &LONCAPA::map::getresidx($url,$residx);
  953: 		push(@LONCAPA::map::order, $residx);
  954: 	    }
  955: 	    my $ext = 'false';
  956: 	    if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
  957: 	    $url  = &LONCAPA::map::qtunescape($url);
  958: 	    $name = &LONCAPA::map::qtunescape($name);
  959: 	    $LONCAPA::map::resources[$residx] = 
  960: 		join(':', ($name, $url, $ext, 'normal', 'res'));
  961: 	}
  962:     }
  963:     return &storemap($coursenum, $coursedom, $folder.'.'.$container);
  964: }
  965: 
  966: sub breadcrumbs {
  967:     my ($where,$allowed,$type)=@_;
  968:     &Apache::lonhtmlcommon::clear_breadcrumbs();
  969:     my (@folders);
  970:     if ($env{'form.pagepath'}) {
  971:         @folders = split('&',$env{'form.pagepath'});
  972:     } else {
  973:         @folders=split('&',$env{'form.folderpath'});
  974:     }
  975:     my $folderpath;
  976:     my $cpinfo='';
  977:     my $plain='';
  978:     my $randompick=-1;
  979:     my $isencrypted=0;
  980:     my $ishidden=0;
  981:     my $is_random_order=0;
  982:     while (@folders) {
  983: 	my $folder=shift(@folders);
  984:     	my $foldername=shift(@folders);
  985: 	if ($folderpath) {$folderpath.='&';}
  986: 	$folderpath.=$folder.'&'.$foldername;
  987: 	my $url='/adm/coursedocs?folderpath='.
  988: 	    &escape($folderpath);
  989: 	    my $name=&unescape($foldername);
  990: # randompick number, hidden, encrypted, random order, is appended with ":"s to the foldername	
  991:  	    $name=~s/\:(\d*)\:(\w*)\:(\w*):(\d*)$//;
  992: 	    if ($1 ne '') { 
  993:                $randompick=$1;
  994:             } else {
  995:                $randompick=-1;
  996:             }
  997:             if ($2) { $ishidden=1; }
  998:             if ($3) { $isencrypted=1; }
  999: 	    if ($4 ne '') { $is_random_order = 1; }
 1000:             if ($folder eq 'supplemental') {
 1001:                 if ($allowed) {
 1002:                     $name = &mt('Supplemental '.$type.' Documents');
 1003:                 } else {
 1004:                     $name = &mt($type.' Documents');
 1005:                 }
 1006:             }
 1007: 	    &Apache::lonhtmlcommon::add_breadcrumb(
 1008: 		      {'href'=>$url.$cpinfo,
 1009: 		       'title'=>$name,
 1010: 		       'text'=>'<font size="+1">'.
 1011: 			   $name.'</font>',
 1012: 		       'no_mt'=>1,
 1013: 		       });
 1014: 	$plain.=$name.' &gt; ';
 1015:     }
 1016:     $plain=~s/\&gt\;\s*$//;
 1017:     return (&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'nohelp',
 1018: 					       'LC_docs_path'),$randompick,$ishidden,$isencrypted,$plain,$is_random_order);
 1019: }
 1020: 
 1021: sub log_docs {
 1022:     return &Apache::lonnet::instructor_log('docslog',@_);
 1023: }
 1024: 
 1025: {
 1026:     my @oldresources=();
 1027:     my @oldorder=();
 1028:     my $parmidx;
 1029:     my %parmaction=();
 1030:     my %parmvalue=();
 1031:     my $changedflag;
 1032: 
 1033:     sub snapshotbefore {
 1034:         @oldresources=@LONCAPA::map::resources;
 1035:         @oldorder=@LONCAPA::map::order;
 1036:         $parmidx=undef;
 1037:         %parmaction=();
 1038:         %parmvalue=();
 1039:         $changedflag=0;
 1040:     }
 1041: 
 1042:     sub remember_parms {
 1043:         my ($idx,$parameter,$action,$value)=@_;
 1044:         $parmidx=$idx;
 1045:         $parmaction{$parameter}=$action;
 1046:         $parmvalue{$parameter}=$value;
 1047:         $changedflag=1;
 1048:     }
 1049: 
 1050:     sub log_differences {
 1051:         my ($plain)=@_;
 1052:         my %storehash=('folder' => $plain,
 1053:                        'currentfolder' => $env{'form.folder'});
 1054:         if ($parmidx) {
 1055:            $storehash{'parameter_res'}=$oldresources[$parmidx];
 1056:            foreach my $parm (keys(%parmaction)) {
 1057:               $storehash{'parameter_action_'.$parm}=$parmaction{$parm};
 1058:               $storehash{'parameter_value_'.$parm}=$parmvalue{$parm};
 1059:            }
 1060:         }
 1061:         my $maxidx=$#oldresources;
 1062:         if ($#LONCAPA::map::resources>$#oldresources) {
 1063:            $maxidx=$#LONCAPA::map::resources;
 1064:         }
 1065:         for (my $idx=0; $idx<=$maxidx; $idx++) {
 1066:            if ($LONCAPA::map::resources[$idx] ne $oldresources[$idx]) {
 1067:               $storehash{'before_resources_'.$idx}=$oldresources[$idx];
 1068:               $storehash{'after_resources_'.$idx}=$LONCAPA::map::resources[$idx];
 1069:               $changedflag=1;
 1070:            }
 1071:            if ($LONCAPA::map::order[$idx] ne $oldorder[$idx]) {
 1072:               $storehash{'before_order_res_'.$idx}=$oldresources[$oldorder[$idx]];
 1073:               $storehash{'after_order_res_'.$idx}=$LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1074:               $changedflag=1;
 1075:            }
 1076:         }
 1077: 	$storehash{'maxidx'}=$maxidx;
 1078:         if ($changedflag) { &log_docs(\%storehash); }
 1079:     }
 1080: }
 1081: 
 1082: 
 1083: 
 1084: 
 1085: 
 1086: sub docs_change_log {
 1087:     my ($r)=@_;
 1088:     my $folder=$env{'form.folder'};
 1089:     $r->print(&Apache::loncommon::start_page('Course Document Change Log'));
 1090:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Document Change Log'));
 1091:     my %docslog=&Apache::lonnet::dump('nohist_docslog',
 1092:                                       $env{'course.'.$env{'request.course.id'}.'.domain'},
 1093:                                       $env{'course.'.$env{'request.course.id'}.'.num'});
 1094: 
 1095:     if ((keys(%docslog))[0]=~/^error\:/) { undef(%docslog); }
 1096: 
 1097:     $r->print('<form action="/adm/coursedocs" method="post" name="docslog">'.
 1098:               '<input type="hidden" name="docslog" value="1" />');
 1099: 
 1100:     my %saveable_parameters = ('show' => 'scalar',);
 1101:     &Apache::loncommon::store_course_settings('docs_log',
 1102:                                               \%saveable_parameters);
 1103:     &Apache::loncommon::restore_course_settings('docs_log',
 1104:                                                 \%saveable_parameters);
 1105:     if (!$env{'form.show'}) { $env{'form.show'}=10; }
 1106:     my %lt=('hiddenresource' => 'Resources hidden',
 1107: 	    'encrypturl'     => 'URL hidden',
 1108: 	    'randompick'     => 'Randomly pick',
 1109: 	    'randomorder'    => 'Randomly ordered',
 1110: 	    'set'            => 'set to',
 1111: 	    'del'            => 'deleted');
 1112:     $r->print(&Apache::loncommon::display_filter().
 1113:               '<input type="hidden" name="folder" value="'.$folder.'" />'.
 1114:               '<input type="submit" value="'.&mt('Display').'" /></form>');
 1115:     $r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
 1116:               '<th>'.&mt('Time').'</th><th>'.&mt('User').'</th><th>'.&mt('Folder').'</th><th>'.&mt('Before').'</th><th>'.
 1117:               &mt('After').'</th>'.
 1118:               &Apache::loncommon::end_data_table_header_row());
 1119:     my $shown=0;
 1120:     foreach my $id (sort { $docslog{$b}{'exe_time'}<=>$docslog{$a}{'exe_time'} } (keys(%docslog))) {
 1121: 	if ($env{'form.displayfilter'} eq 'currentfolder') {
 1122: 	    if ($docslog{$id}{'logentry'}{'currentfolder'} ne $folder) { next; }
 1123: 	}
 1124:         my @changes=keys(%{$docslog{$id}{'logentry'}});
 1125:         if ($env{'form.displayfilter'} eq 'containing') {
 1126: 	    my $wholeentry=$docslog{$id}{'exe_uname'}.':'.$docslog{$id}{'exe_udom'}.':'.
 1127: 		&Apache::loncommon::plainname($docslog{$id}{'exe_uname'},$docslog{$id}{'exe_udom'});
 1128: 	    foreach my $key (@changes) {
 1129: 		$wholeentry.=':'.$docslog{$id}{'logentry'}{$key};
 1130: 	    }
 1131: 	    if ($wholeentry!~/\Q$env{'form.containingphrase'}\E/i) { next; }         
 1132: 	}
 1133:         my $count = 0;
 1134:         my $time =
 1135:             &Apache::lonlocal::locallocaltime($docslog{$id}{'exe_time'});
 1136:         my $plainname =
 1137:             &Apache::loncommon::plainname($docslog{$id}{'exe_uname'},
 1138:                                           $docslog{$id}{'exe_udom'});
 1139:         my $about_me_link =
 1140:             &Apache::loncommon::aboutmewrapper($plainname,
 1141:                                                $docslog{$id}{'exe_uname'},
 1142:                                                $docslog{$id}{'exe_udom'});
 1143:         my $send_msg_link='';
 1144:         if ((($docslog{$id}{'exe_uname'} ne $env{'user.name'})
 1145:              || ($docslog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
 1146:             $send_msg_link ='<br />'.
 1147:                 &Apache::loncommon::messagewrapper(&mt('Send message'),
 1148:                                                    $docslog{$id}{'exe_uname'},
 1149:                                                    $docslog{$id}{'exe_udom'});
 1150:         }
 1151:         $r->print(&Apache::loncommon::start_data_table_row());
 1152:         $r->print('<td>'.$time.'</td>
 1153:                        <td>'.$about_me_link.
 1154:                   '<br /><tt>'.$docslog{$id}{'exe_uname'}.
 1155:                                   ':'.$docslog{$id}{'exe_udom'}.'</tt>'.
 1156:                   $send_msg_link.'</td><td>'.
 1157:                   $docslog{$id}{'logentry'}{'folder'}.'</td><td>');
 1158: # Before
 1159: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1160: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1161: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1162: 	    if ($oldname ne $newname) {
 1163: 		$r->print(&LONCAPA::map::qtescape($oldname));
 1164: 	    }
 1165: 	}
 1166: 	$r->print('<ul>');
 1167: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1168:             if ($docslog{$id}{'logentry'}{'before_order_res_'.$idx}) {
 1169: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'before_order_res_'.$idx}))[0]).'</li>');
 1170: 	    }
 1171: 	}
 1172: 	$r->print('</ul>');
 1173: # After
 1174:         $r->print('</td><td>');
 1175: 
 1176: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1177: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1178: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1179: 	    if ($oldname ne '' && $oldname ne $newname) {
 1180: 		$r->print(&LONCAPA::map::qtescape($newname));
 1181: 	    }
 1182: 	}        
 1183: 	$r->print('<ul>');
 1184: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1185:             if ($docslog{$id}{'logentry'}{'after_order_res_'.$idx}) {
 1186: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'after_order_res_'.$idx}))[0]).'</li>');
 1187: 	    }
 1188: 	}
 1189: 	$r->print('</ul>');
 1190: 	if ($docslog{$id}{'logentry'}{'parameter_res'}) {
 1191: 	    $r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':<ul>');
 1192: 	    foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder') {
 1193: 		if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
 1194: 		    $r->print('<li>'.
 1195: 			      &mt($lt{$parameter}.' '.$lt{$docslog{$id}{'logentry'}{'parameter_action_'.$parameter}}.' [_1]',
 1196: 				  $docslog{$id}{'logentry'}{'parameter_value_'.$parameter})
 1197: 			      .'</li>');
 1198: 		}
 1199: 	    }
 1200: 	    $r->print('</ul>');
 1201: 	}
 1202: # End
 1203:         $r->print('</td>'.&Apache::loncommon::end_data_table_row());
 1204:         $shown++;
 1205:         if (!($env{'form.show'} eq &mt('all')
 1206:               || $shown<=$env{'form.show'})) { last; }
 1207:     }
 1208:     $r->print(&Apache::loncommon::end_data_table());
 1209: }
 1210: 
 1211: sub update_paste_buffer {
 1212:     my ($coursenum,$coursedom) = @_;
 1213: 
 1214:     return if (!defined($env{'form.markcopy'}));
 1215:     return if (!defined($env{'form.copyfolder'}));
 1216:     return if ($env{'form.markcopy'} < 0);
 1217: 
 1218:     my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
 1219: 				    $env{'form.copyfolder'});
 1220:     
 1221:     return if ($fatal);
 1222: 
 1223: # Mark for copying
 1224:     my ($title,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$env{'form.markcopy'}]]);
 1225:     if (&is_supplemental_title($title)) {
 1226:         &Apache::lonnet::appenv({'docs.markedcopy_supplemental' => $title});
 1227: 	($title) = &parse_supplemental_title($title);
 1228:     } elsif ($env{'docs.markedcopy_supplemental'}) {
 1229:         &Apache::lonnet::delenv('docs\\.markedcopy_supplemental');
 1230:     }
 1231:     $url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
 1232: 
 1233:     &Apache::lonnet::appenv({'docs.markedcopy_title' => $title,
 1234: 			    'docs.markedcopy_url'   => $url});
 1235:     delete($env{'form.markcopy'});
 1236: }
 1237: 
 1238: sub print_paste_buffer {
 1239:     my ($r,$container) = @_;
 1240:     return if (!defined($env{'docs.markedcopy_url'}));
 1241: 
 1242:     $r->print(<<ENDPASTE);
 1243: <form name="pasteform" action="/adm/coursedocs" method="post"><p>
 1244: ENDPASTE
 1245:     $r->print('<input type="submit" name="pastemarked" value="'.&mt('Paste').'" /> ');
 1246: 
 1247:     my $type;
 1248:     if ($env{'docs.markedcopy_url'} =~ m{^(?:/adm/wrapper/ext|(?:http|https)(?:&colon;|:))//} ) {
 1249: 	$type = &mt('External Resource');
 1250: 	$r->print($type.': '.
 1251: 		  &LONCAPA::map::qtescape($env{'docs.markedcopy_title'}).' ('.
 1252: 		  &LONCAPA::map::qtescape($env{'docs.markedcopy_url'}).')');
 1253:     }  else {
 1254: 	my $extension = (split(/\./,$env{'docs.markedcopy_url'}))[-1];
 1255: 	my $icon = &Apache::loncommon::icon($extension);
 1256: 	if ($extension eq 'sequence' &&
 1257: 	    $env{'docs.markedcopy_url'} =~ m{/default_\d+\.sequence$ }x) {
 1258: 	    $icon = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
 1259: 	    $icon .= '/folder_closed.gif';
 1260: 	}
 1261: 	$icon = '<img src="'.$icon.'" alt="" class="LC_icon" />';
 1262: 	$r->print($icon.$type.': '.  &parse_supplemental_title(&LONCAPA::map::qtescape($env{'docs.markedcopy_title'})));
 1263:     }
 1264:     if ($container eq 'page') {
 1265: 	$r->print('
 1266: 	<input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />
 1267: 	<input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />
 1268: ');
 1269:     } else {
 1270: 	$r->print('
 1271:         <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
 1272: ');
 1273:     }
 1274:     $r->print('</p></form>');
 1275: }
 1276: 
 1277: sub do_paste_from_buffer {
 1278:     my ($coursenum,$coursedom,$folder) = @_;
 1279: 
 1280:     if (!$env{'form.pastemarked'}) {
 1281:         return;
 1282:     }
 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: 	my $paste_map_result =
 1320:             &Apache::lonclonecourse::writefile($env{'request.course.id'},$storefn,
 1321: 					       &Apache::lonnet::getfile($url));
 1322:         if ($paste_map_result eq '/adm/notfound.html') {
 1323:             if ($url=~/\.page$/) {
 1324:                 return &mt('Paste failed: an error occurred saving the composite page');
 1325:             } else {
 1326:                 return &mt('Paste failed: an error occurred saving the folder');
 1327:             }
 1328:         }
 1329: 	$url = $newurl;
 1330:     }
 1331: # published maps can only exists once, so remove it from paste buffer when done
 1332:     if (($url=~/\.(page|sequence)$/) && ($url=~m {^/res/})) {
 1333: 	&Apache::lonnet::delenv('docs\\.markedcopy');
 1334:     }
 1335:     if ($url=~ m{/smppg$}) {
 1336: 	my $db_name = &Apache::lonsimplepage::get_db_name($url);
 1337: 	if ($db_name =~ /^smppage_/) {
 1338: 	    #simple pages, need to copy the db contents to a new one.
 1339: 	    my %contents=&Apache::lonnet::dump($db_name,$coursedom,$coursenum);
 1340: 	    my $now = time();
 1341: 	    $db_name =~ s{_\d*$ }{_$now}x;
 1342: 	    my $result=&Apache::lonnet::put($db_name,\%contents,
 1343: 					    $coursedom,$coursenum);
 1344: 	    $url =~ s{/(\d*)/smppg$ }{/$now/smppg}x; 
 1345: 	    $title=&mt('Copy of').' '.$title;
 1346: 	}
 1347:     }
 1348:     $title = &LONCAPA::map::qtunescape($title);
 1349:     my $ext='false';
 1350:     if ($url=~m{^http(|s)://}) { $ext='true'; }
 1351:     $url       = &LONCAPA::map::qtunescape($url);
 1352: # Now insert the URL at the bottom
 1353:     my $newidx = &LONCAPA::map::getresidx($url);
 1354:     if ($env{'docs.markedcopy_supplemental'}) {
 1355:         if ($folder =~ /^supplemental/) {
 1356:             $title = $env{'docs.markedcopy_supplemental'};
 1357:         } else {
 1358:             (undef,undef,$title) = 
 1359:                 &parse_supplemental_title($env{'docs.markedcopy_supplemental'});
 1360:         }
 1361:     } else {
 1362:         if ($folder=~/^supplemental/) {
 1363:            $title=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1364:                   $env{'user.domain'}.'___&&&___'.$title;
 1365:         }
 1366:     }
 1367: 
 1368:     $LONCAPA::map::resources[$newidx]= 	$title.':'.$url.':'.$ext.':normal:res';
 1369:     push(@LONCAPA::map::order, $newidx);
 1370:     return 'ok';
 1371: # Store the result
 1372: }
 1373: 
 1374: sub uniqueness_check {
 1375:     my ($newurl) = @_;
 1376:     my $unique = 1;
 1377:     foreach my $res (@LONCAPA::map::order) {
 1378:         my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
 1379:         $url=&LONCAPA::map::qtescape($url);
 1380:         if ($newurl eq $url) {
 1381:             $unique = 0;
 1382:             last;    
 1383:         }
 1384:     }
 1385:     return $unique;
 1386: }
 1387: 
 1388: my %parameter_type = ( 'randompick'     => 'int_pos',
 1389: 		       'hiddenresource' => 'string_yesno',
 1390: 		       'encrypturl'     => 'string_yesno',
 1391: 		       'randomorder'    => 'string_yesno',);
 1392: my $valid_parameters_re = join('|',keys(%parameter_type));
 1393: # set parameters
 1394: sub update_parameter {
 1395: 
 1396:     return 0 if ($env{'form.changeparms'} !~ /^($valid_parameters_re)$/);
 1397: 
 1398:     my $which = $env{'form.changeparms'};
 1399:     my $idx = $env{'form.setparms'};
 1400:     if ($env{'form.'.$which.'_'.$idx}) {
 1401: 	my $value = ($which eq 'randompick') ? $env{'form.'.$which.'_'.$idx}
 1402: 	                                     : 'yes';
 1403: 	&LONCAPA::map::storeparameter($idx, 'parameter_'.$which, $value,
 1404: 				      $parameter_type{$which});
 1405: 	&remember_parms($idx,$which,'set',$value);
 1406:     } else {
 1407: 	&LONCAPA::map::delparameter($idx,'parameter_'.$which);
 1408: 	
 1409: 	&remember_parms($idx,$which,'del');
 1410:     }
 1411:     return 1;
 1412: }
 1413: 
 1414: 
 1415: sub handle_edit_cmd {
 1416:     my ($coursenum,$coursedom) =@_;
 1417: 
 1418:     my ($cmd,$idx)=split('_',$env{'form.cmd'});
 1419: 
 1420:     my $ratstr = $LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1421:     my ($title, $url, @rrest) = split(':', $ratstr);
 1422: 
 1423:     if ($cmd eq 'del') {
 1424: 	if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
 1425: 	    ($url!~/\.(page|sequence|problem|exam|quiz|assess|survey|form|library|task)$/)) {
 1426: 	    &Apache::lonnet::removeuploadedurl($url);
 1427: 	} else {
 1428: 	    &LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1429: 	}
 1430: 	splice(@LONCAPA::map::order, $idx, 1);
 1431: 
 1432:     } elsif ($cmd eq 'cut') {
 1433: 	&LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1434: 	splice(@LONCAPA::map::order, $idx, 1);
 1435: 
 1436:     } elsif ($cmd eq 'up' 
 1437: 	     && ($idx) && (defined($LONCAPA::map::order[$idx-1]))) {
 1438: 	@LONCAPA::map::order[$idx-1,$idx] = @LONCAPA::map::order[$idx,$idx-1];
 1439: 
 1440:     } elsif ($cmd eq 'down'
 1441: 	     && defined($LONCAPA::map::order[$idx+1])) {
 1442: 	@LONCAPA::map::order[$idx+1,$idx] = @LONCAPA::map::order[$idx,$idx+1];
 1443: 
 1444:     } elsif ($cmd eq 'rename') {
 1445: 
 1446: 	my $comment = &LONCAPA::map::qtunescape($env{'form.title'});
 1447: 	if ($comment=~/\S/) {
 1448: 	    $LONCAPA::map::resources[$LONCAPA::map::order[$idx]]=
 1449: 		$comment.':'.join(':', $url, @rrest);
 1450: 	}
 1451: # Devalidate title cache
 1452: 	my $renamed_url=&LONCAPA::map::qtescape($url);
 1453: 	&Apache::lonnet::devalidate_title_cache($renamed_url);
 1454:     } else {
 1455: 	return 0;
 1456:     }
 1457:     return 1;
 1458: }
 1459: 
 1460: sub editor {
 1461:     my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output,$type)=@_;
 1462: 
 1463:     my $container= ($env{'form.pagepath'}) ? 'page'
 1464: 		                           : 'sequence';
 1465: 
 1466:     my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
 1467: 				    $folder.'.'.$container);
 1468:     return $errtext if ($fatal);
 1469: 
 1470:     if ($#LONCAPA::map::order<1) {
 1471: 	my $idx=&LONCAPA::map::getresidx();
 1472: 	if ($idx<=0) { $idx=1; }
 1473:        	$LONCAPA::map::order[0]=$idx;
 1474:         $LONCAPA::map::resources[$idx]='';
 1475:     }
 1476:     
 1477:     my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,$is_random_order)=
 1478: 	&breadcrumbs($folder,$allowed,$type);
 1479:     $r->print($breadcrumbtrail);
 1480:     
 1481: # ------------------------------------------------------------ Process commands
 1482: 
 1483: # ---------------- if they are for this folder and user allowed to make changes
 1484:     if (($allowed) && ($env{'form.folder'} eq $folder)) {
 1485: # set parameters and change order
 1486: 	&snapshotbefore();
 1487: 
 1488: 	if (&update_parameter()) {
 1489: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1490: 	    return $errtext if ($fatal);
 1491: 	}
 1492: 
 1493: 	if ($env{'form.newpos'} && $env{'form.currentpos'}) {
 1494: # change order
 1495: 	    my $res = splice(@LONCAPA::map::order,$env{'form.currentpos'}-1,1);
 1496: 	    splice(@LONCAPA::map::order,$env{'form.newpos'}-1,0,$res);
 1497: 
 1498: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1499: 	    return $errtext if ($fatal);
 1500: 	}
 1501: 	    
 1502: 	if ($env{'form.pastemarked'}) {
 1503:             my $paste_res = 
 1504:                 &do_paste_from_buffer($coursenum,$coursedom,$folder);
 1505:             if ($paste_res eq 'ok') {
 1506:                 ($errtext,$fatal) = &storemap($coursenum,$coursedom,$folder.'.'.$container);
 1507:                 return $errtext if ($fatal);
 1508:             } elsif ($paste_res ne '') {
 1509:                 $r->print('<p><span class="LC_error">'.$paste_res.'</span></p>');
 1510:             }
 1511: 	}
 1512: 
 1513: 	$r->print($upload_output);
 1514: 
 1515: 	if (&handle_edit_cmd()) {
 1516: 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1517: 	    return $errtext if ($fatal);
 1518: 	}
 1519: # Group import/search
 1520: 	if ($env{'form.importdetail'}) {
 1521: 	    my @imports;
 1522: 	    foreach my $item (split(/\&/,$env{'form.importdetail'})) {
 1523: 		if (defined($item)) {
 1524: 		    my ($name,$url,$residx)=
 1525: 			map {&unescape($_)} split(/\=/,$item);
 1526: 		    push(@imports, [$name, $url, $residx]);
 1527: 		}
 1528: 	    }
 1529: 	    ($errtext,$fatal)=&group_import($coursenum, $coursedom, $folder,
 1530: 					    $container,'londocs',@imports);
 1531: 	    return $errtext if ($fatal);
 1532: 	}
 1533: # Loading a complete map
 1534: 	if ($env{'form.loadmap'}) {
 1535: 	    if ($env{'form.importmap'}=~/\w/) {
 1536: 		foreach my $res (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$env{'form.importmap'}))) {
 1537: 		    my ($title,$url,$ext,$type)=split(/\:/,$res);
 1538: 		    my $idx=&LONCAPA::map::getresidx($url);
 1539: 		    $LONCAPA::map::resources[$idx]=$res;
 1540: 		    $LONCAPA::map::order[$#LONCAPA::map::order+1]=$idx;
 1541: 		}
 1542: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1543: 					    $folder.'.'.$container);
 1544: 		return $errtext if ($fatal);
 1545: 	    } else {
 1546: 		$r->print('<p><span class="LC_error">'.&mt('No map selected.').'</span></p>');
 1547: 		
 1548: 	    }
 1549: 	}
 1550: 	&log_differences($plain);
 1551:     }
 1552: # ---------------------------------------------------------------- End commands
 1553: # ---------------------------------------------------------------- Print screen
 1554:     my $idx=0;
 1555:     my $shown=0;
 1556:     if (($ishidden) || ($isencrypted) || ($randompick>=0) || ($is_random_order)) {
 1557: 	$r->print('<p>'.&mt('Parameters').':<ul>'.
 1558: 		  ($randompick>=0?'<li>'.&mt('randomly pick [_1] resources',$randompick).'</li>':'').
 1559: 		  ($ishidden?'<li>'.&mt('contents hidden').'</li>':'').
 1560: 		  ($isencrypted?'<li>'.&mt('URLs hidden').'</li>':'').
 1561: 		  '</ul></p>');
 1562:     }                                                                                                     
 1563:     if ($randompick>=0) {
 1564: 	$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>');
 1565:     }
 1566:     if ($is_random_order) {
 1567: 	$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>');
 1568:     }
 1569:     $r->print('<table class="LC_docs_editor">');
 1570:     foreach my $res (@LONCAPA::map::order) {
 1571: 	my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
 1572: 	$name=&LONCAPA::map::qtescape($name);
 1573: 	$url=&LONCAPA::map::qtescape($url);
 1574: 	unless ($name) {  $name=(split(/\//,$url))[-1]; }
 1575: 	unless ($name) { $idx++; next; }
 1576: 	$r->print(&entryline($idx,$name,$url,$folder,$allowed,$res,
 1577: 			     $coursenum));
 1578: 	$idx++;
 1579: 	$shown++;
 1580:     }
 1581:     unless ($shown) {
 1582: 	$r->print('<tr><td>'.&mt('Currently no documents.').'</td></tr>');
 1583:     }
 1584:     $r->print("\n</table>\n");
 1585:     if ($allowed) {
 1586:         &print_paste_buffer($r,$container);
 1587:     }
 1588:     return;
 1589: }
 1590: 
 1591: sub process_file_upload {
 1592:     my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd) = @_;
 1593: # upload a file, if present
 1594:     my $parseaction;
 1595:    if ($env{'form.parserflag'}) {
 1596:         $parseaction = 'parse';
 1597:     }
 1598:     my $phase_status;
 1599:     my $folder=$env{'form.folder'};
 1600:     if ($folder eq '') {
 1601:         $folder='default';
 1602:     }
 1603:     if ( ($folder=~/^$uploadcmd/) || ($uploadcmd eq 'default') ) {
 1604:         my $errtext='';
 1605:         my $fatal=0;
 1606:         my $container='sequence';
 1607:         if ($env{'form.pagepath'}) {
 1608:             $container='page';
 1609:         }
 1610:         ($errtext,$fatal)=
 1611:               &mapread($coursenum,$coursedom,$folder.'.'.$container);
 1612:         if ($#LONCAPA::map::order<1) {
 1613:             $LONCAPA::map::order[0]=1;
 1614:             $LONCAPA::map::resources[1]='';
 1615:         }
 1616:         if ($fatal) {
 1617:             return 'failed';
 1618:         }
 1619:         my $destination = 'docs/';
 1620:         if ($folder =~ /^supplemental/) {
 1621:             $destination = 'supplemental/';
 1622:         }
 1623:         if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1624:             $destination .= 'default/';
 1625:         } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1626:             $destination .=  $2.'/';
 1627:         }
 1628: # this is for a course, not a user, so set coursedoc flag
 1629: # probably the only place in the system where this should be "1"
 1630:         my $newidx=&LONCAPA::map::getresidx();
 1631:         $destination .= $newidx;
 1632:         my $url=&Apache::lonnet::userfileupload('uploaddoc',1,$destination,
 1633: 						$parseaction,$allfiles,
 1634: 						$codebase);
 1635:         my $ext='false';
 1636:         if ($url=~m{^http://}) { $ext='true'; }
 1637: 	$url     = &LONCAPA::map::qtunescape($url);
 1638:         my $comment=$env{'form.comment'};
 1639: 	$comment = &LONCAPA::map::qtunescape($comment);
 1640:         if ($folder=~/^supplemental/) {
 1641:               $comment=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1642:                   $env{'user.domain'}.'___&&&___'.$comment;
 1643:         }
 1644: 
 1645:         $LONCAPA::map::resources[$newidx]=
 1646: 	    $comment.':'.$url.':'.$ext.':normal:res';
 1647:         $LONCAPA::map::order[$#LONCAPA::map::order+1]= $newidx;
 1648:         ($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1649: 				    $folder.'.'.$container);
 1650:         if ($fatal) {
 1651:             $$upload_output .= '<p><span class="LC_error">'.$errtext.'</span></p>';
 1652:             return 'failed';
 1653:         } else {
 1654:             if ($parseaction eq 'parse') {
 1655:                 my $total_embedded = keys(%{$allfiles});
 1656:                 if ($total_embedded > 0) {
 1657:                     my $num = 0;
 1658: 		    my $state = '
 1659:    <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
 1660:    <input type="hidden" name="cmd" value="upload_embedded" />
 1661:    <input type="hidden" name="newidx" value="'.$newidx.'" />
 1662:    <input type="hidden" name="primaryurl" value="'.&escape($url).'" />
 1663:    <input type="hidden" name="phasetwo" value="'.$total_embedded.'" />';
 1664: 		    $phase_status = 'phasetwo';
 1665: 
 1666:                     $$upload_output .= 
 1667: 			'This file contains embedded multimedia objects, which need to be uploaded to LON-CAPA.<br />'.
 1668: 			&Apache::loncommon::ask_for_embedded_content(
 1669:                             '/adm/coursedocs',$state,$allfiles,$codebase);
 1670:                 } else {
 1671:                     $$upload_output .= 'No embedded items identified<br />';
 1672:                 }
 1673:             }
 1674:         }
 1675:     }
 1676:     return $phase_status;
 1677: }
 1678: 
 1679: sub process_secondary_uploads {
 1680:     my ($upload_output,$coursedom,$coursenum,$formname,$num,$newidx) = @_;
 1681:     my $folder=$env{'form.folder'};
 1682:     my $destination = 'docs/';
 1683:     if ($folder =~ /^supplemental/) {
 1684:         $destination = 'supplemental/';
 1685:     }
 1686:     if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1687:         $destination .= 'default/';
 1688:     } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1689:         $destination .=  $2.'/';
 1690:     }
 1691:     $destination .= $newidx;
 1692:     my ($url,$filename);
 1693:     $url=&Apache::lonnet::userfileupload($formname.$num,1,$destination);
 1694:     ($filename) = ($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/\Q$destination\E/(.+)$});
 1695:     return $filename;
 1696: }
 1697: 
 1698: sub is_supplemental_title {
 1699:     my ($title) = @_;
 1700:     return scalar($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/);
 1701: }
 1702: 
 1703: sub parse_supplemental_title {
 1704:     my ($title) = @_;
 1705: 
 1706:     my ($foldertitle,$renametitle);
 1707:     if ($title =~ /&amp;&amp;&amp;/) {
 1708: 	$title = &HTML::Entites::decode($title);
 1709:     }
 1710:  if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
 1711: 	$renametitle=$4;
 1712: 	my ($time,$uname,$udom) = ($1,$2,$3);
 1713: 	$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
 1714: 	my $name =  &Apache::loncommon::plainname($uname,$udom);
 1715: 	$name = &HTML::Entities::encode($name,'"<>&\'');
 1716: 	$title='<i>'.&Apache::lonlocal::locallocaltime($time).'</i> '.
 1717: 	    $name.': <br />'.$foldertitle;
 1718:     }
 1719:     if (wantarray) {
 1720: 	return ($title,$foldertitle,$renametitle);
 1721:     } 
 1722:     return $title;
 1723: }
 1724: 
 1725: # --------------------------------------------------------------- An entry line
 1726: 
 1727: sub entryline {
 1728:     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum)=@_;
 1729: 
 1730:     my ($foldertitle,$pagetitle,$renametitle);
 1731:     if (&is_supplemental_title($title)) {
 1732: 	($title,$foldertitle,$renametitle) = &parse_supplemental_title($title);
 1733: 	$pagetitle = $foldertitle;
 1734:     } else {
 1735: 	$title=&HTML::Entities::encode($title,'"<>&\'');
 1736: 	$renametitle=$title;
 1737: 	$foldertitle=$title;
 1738: 	$pagetitle=$title;
 1739:     }
 1740: 
 1741:     my $orderidx=$LONCAPA::map::order[$index];
 1742:     
 1743: 
 1744:     $renametitle=~s/\\/\\\\/g;
 1745:     $renametitle=~s/\&quot\;/\\\"/g;
 1746:     $renametitle=~s/ /%20/g;
 1747:     my $line='<tr>';
 1748:     my ($form_start,$form_end);
 1749: # Edit commands
 1750:     my ($container, $type, $esc_path, $path, $symb);
 1751:     if ($env{'form.folderpath'}) {
 1752: 	$type = 'folder';
 1753:         $container = 'sequence';
 1754: 	$esc_path=&escape($env{'form.folderpath'});
 1755: 	$path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 1756: 	# $htmlfoldername=&HTML::Entities::encode($env{'form.foldername'},'<>&"');
 1757:     }
 1758:     if ($env{'form.pagepath'}) {
 1759:         $type = $container = 'page';
 1760:         $esc_path=&escape($path = $env{'form.pagepath'});
 1761: 	$path = &HTML::Entities::encode($env{'form.pagepath'},'<>&"');
 1762:         $symb=&escape($env{'form.pagesymb'});
 1763:     }
 1764:     my $cpinfo='';
 1765:     if ($allowed) {
 1766: 	my $incindex=$index+1;
 1767: 	my $selectbox='';
 1768: 	if (($folder!~/^supplemental/) &&
 1769: 	    ($#LONCAPA::map::order>0) && 
 1770: 	    ((split(/\:/,
 1771: 	     $LONCAPA::map::resources[$LONCAPA::map::order[0]]))[1] 
 1772: 	     ne '') && 
 1773: 	    ((split(/\:/,
 1774: 	     $LONCAPA::map::resources[$LONCAPA::map::order[1]]))[1] 
 1775: 	     ne '')) {
 1776: 	    $selectbox=
 1777: 		'<input type="hidden" name="currentpos" value="'.$incindex.'" />'.
 1778: 		'<select name="newpos" onChange="this.form.submit()">';
 1779: 	    for (my $i=1;$i<=$#LONCAPA::map::order+1;$i++) {
 1780: 		if ($i==$incindex) {
 1781: 		    $selectbox.='<option value="" selected="1">('.$i.')</option>';
 1782: 		} else {
 1783: 		    $selectbox.='<option value="'.$i.'">'.$i.'</option>';
 1784: 		}
 1785: 	    }
 1786: 	    $selectbox.='</select>';
 1787: 	}
 1788: 	my %lt=&Apache::lonlocal::texthash(
 1789:                 'up' => 'Move Up',
 1790: 		'dw' => 'Move Down',
 1791: 		'rm' => 'Remove',
 1792:                 'ct' => 'Cut',
 1793: 		'rn' => 'Rename',
 1794: 		'cp' => 'Copy');
 1795: 	my $nocopy=0;
 1796:         my $nocut=0;
 1797:         if ($url=~/\.(page|sequence)$/) {
 1798: 	    if ($url =~ m{/res/}) {
 1799: 		# no copy for published maps
 1800: 		$nocopy = 1;
 1801: 	    } else {
 1802: 		foreach my $item (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url),1)) {
 1803: 		    my ($title,$url,$ext,$type)=split(/\:/,$item);
 1804: 		    if (($url=~/\.(page|sequence)/) && ($type ne 'zombie')) {
 1805: 			$nocopy=1;
 1806: 			last;
 1807: 		    }
 1808: 		}
 1809: 	    }
 1810: 	}
 1811:         if ($url=~/^\/res\/lib\/templates\//) { 
 1812:            $nocopy=1; 
 1813:            $nocut=1;
 1814:         }
 1815:         my $copylink='&nbsp;';
 1816:         my $cutlink='&nbsp;';
 1817: 	
 1818: 	my $skip_confirm = 0;
 1819: 	if ( $folder =~ /^supplemental/
 1820: 	     || ($url =~ m{( /smppg$
 1821: 			    |/syllabus$
 1822: 			    |/aboutme$
 1823: 			    |/navmaps$
 1824: 			    |/bulletinboard$
 1825: 			    |\.html$
 1826: 			    |^/adm/wrapper/ext)}x)) {
 1827: 	    $skip_confirm = 1;
 1828: 	}
 1829: 
 1830: 	if (!$nocopy) {
 1831: 	    $copylink=(<<ENDCOPY);
 1832: <a href='javascript:markcopy("$esc_path","$index","$renametitle","$container","$symb","$folder");' class="LC_docs_copy">$lt{'cp'}</a>
 1833: ENDCOPY
 1834:         }
 1835: 	if (!$nocut) {
 1836: 	    $cutlink=(<<ENDCUT);
 1837: <a href='javascript:cutres("$esc_path","$index","$renametitle","$container","$symb","$folder",$skip_confirm);' class="LC_docs_cut">$lt{'ct'}</a>
 1838: ENDCUT
 1839:         }
 1840: 	$form_start = (<<END);
 1841:    <form  action="/adm/coursedocs" method="post">
 1842:    <input type="hidden" name="${type}path" value="$path" />
 1843:    <input type="hidden" name="${type}symb" value="$symb" />
 1844:    <input type="hidden" name="setparms" value="$orderidx" />
 1845:    <input type="hidden" name="changeparms" value="0" />
 1846: END
 1847:         $form_end = '</form>';
 1848: 	$line.=(<<END);
 1849: <td>
 1850:    <table class="LC_docs_entry_move">
 1851:       <tr>
 1852:          <td>
 1853:             <a href='/adm/coursedocs?cmd=up_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'><img src="${iconpath}move_up.gif" alt='$lt{'up'}' class="LC_icon" /></a>
 1854:          </td>
 1855:       </tr>
 1856:       <tr>
 1857:         <td>
 1858:            <a href='/adm/coursedocs?cmd=down_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'><img src="${iconpath}move_down.gif" alt='$lt{'dw'}' class="LC_icon" /></a>
 1859:         </td>
 1860:       </tr>
 1861:     </table>
 1862: </td>
 1863: <td>
 1864:    $form_start
 1865:    $selectbox
 1866:    $form_end
 1867: </td>
 1868: <td class="LC_docs_entry_commands">
 1869:    <a href='javascript:removeres("$esc_path","$index","$renametitle","$container","$symb",$skip_confirm);' class="LC_docs_remove">$lt{'rm'}</a>
 1870: $cutlink
 1871:    <a href='javascript:changename("$esc_path","$index","$renametitle","$container","$symb");' class="LC_docs_rename">$lt{'rn'}</a>
 1872: $copylink
 1873: </td>
 1874: END
 1875: 
 1876:     }
 1877: # Figure out what kind of a resource this is
 1878:     my ($extension)=($url=~/\.(\w+)$/);
 1879:     my $uploaded=($url=~/^\/*uploaded\//);
 1880:     my $icon=&Apache::loncommon::icon($url);
 1881:     my $isfolder=0;
 1882:     my $ispage=0;
 1883:     my $folderarg;
 1884:     my $pagearg;
 1885:     my $pagefile;
 1886:     if ($uploaded) {
 1887: 	if ($extension eq 'sequence') {
 1888: 	    $icon=$iconpath.'/folder_closed.gif';
 1889: 	    $url=~/\Q$coursenum\E\/([\/\w]+)\.sequence$/;
 1890: 	    $url='/adm/coursedocs?';
 1891: 	    $folderarg=$1;
 1892: 	    $isfolder=1;
 1893:         } elsif ($extension eq 'page') {
 1894:             $icon=$iconpath.'/page.gif';
 1895:             $url=~/\Q$coursenum\E\/([\/\w]+)\.page$/;
 1896:             $pagearg=$1;
 1897:             $url='/adm/coursedocs?';
 1898:             $ispage=1;
 1899: 	} else {
 1900: 	    &Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
 1901: 	}
 1902:     }
 1903:     
 1904:     my $orig_url = $url;
 1905:     my $external = ($url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/});
 1906:     if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) {
 1907: 	my $symb=&Apache::lonnet::symbclean(
 1908:           &Apache::lonnet::declutter('uploaded/'.
 1909:            $env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1910:            $env{'course.'.$env{'request.course.id'}.'.num'}.'/'.$folder.
 1911:            '.sequence').
 1912:            '___'.$residx.'___'.
 1913: 	   &Apache::lonnet::declutter($url));
 1914: 	(undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
 1915: 	$url=&Apache::lonnet::clutter($url);
 1916: 	if ($url=~/^\/*uploaded\//) {
 1917: 	    $url=~/\.(\w+)$/;
 1918: 	    my $embstyle=&Apache::loncommon::fileembstyle($1);
 1919: 	    if (($embstyle eq 'img') || ($embstyle eq 'emb')) {
 1920: 		$url='/adm/wrapper'.$url;
 1921: 	    } elsif ($embstyle eq 'ssi') {
 1922: 		#do nothing with these
 1923: 	    } elsif ($url!~/\.(sequence|page)$/) {
 1924: 		$url='/adm/coursedocs/showdoc'.$url;
 1925: 	    }
 1926: 	} elsif ($url=~m|^/ext/|) { 
 1927: 	    $url='/adm/wrapper'.$url;
 1928: 	    $external = 1;
 1929: 	}
 1930:         if (&Apache::lonnet::symbverify($symb,$url)) {
 1931: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 1932:         } else {
 1933:             $url='';
 1934:         }
 1935: 	if ($container eq 'page') {
 1936: 	    my $symb=$env{'form.pagesymb'};
 1937: 	    	    
 1938: 	    $url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
 1939: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 1940: 	}
 1941:     }
 1942:     my ($parameterset,$rand_order_text) = ('&nbsp;', '&nbsp;');
 1943:     if ($isfolder || $extension eq 'sequence') {
 1944: 	my $foldername=&escape($foldertitle);
 1945: 	my $folderpath=$env{'form.folderpath'};
 1946: 	if ($folderpath) { $folderpath.='&' };
 1947: # Append randompick number, hidden, and encrypted with ":" to foldername, 
 1948: # so it gets transferred between levels
 1949: 	$folderpath.=$folderarg.'&'.$foldername.':'.(&LONCAPA::map::getparameter($orderidx,
 1950:                                               'parameter_randompick'))[0]
 1951:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1952:                                               'parameter_hiddenresource'))[0]=~/^yes$/i)
 1953:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1954:                                               'parameter_encrypturl'))[0]=~/^yes$/i)
 1955:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1956:                                               'parameter_randomorder'))[0]=~/^yes$/i);
 1957: 	$url.='folderpath='.&escape($folderpath).$cpinfo;
 1958: 	$parameterset='<label>'.&mt('Randomly Pick: ').
 1959: 	    '<input type="text" size="4" onChange="this.form.changeparms.value='."'randompick'".';this.form.submit()" name="randompick_'.$orderidx.'" value="'.
 1960: 	    (&LONCAPA::map::getparameter($orderidx,
 1961:                                               'parameter_randompick'))[0].
 1962:                                               '" />'.
 1963: '<a href="javascript:void(0)">'.&mt('Save').'</a></label>';
 1964:     	my $ro_set=
 1965: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_randomorder'))[0]=~/^yes$/i?' checked="checked"':'');
 1966: 	$rand_order_text ='
 1967: <span class="LC_nobreak"><label><input type="checkbox" name="randomorder_'.$orderidx.'" onClick="this.form.changeparms.value=\'randomorder\';this.form.submit()" '.$ro_set.' /> '.&mt('Random Order').' </label></span>';   
 1968:     }
 1969:     if ($ispage) {
 1970:         my $pagename=&escape($pagetitle);
 1971:         my $pagepath;
 1972:         my $folderpath=$env{'form.folderpath'};
 1973:         if ($folderpath) { $pagepath = $folderpath.'&' };
 1974:         $pagepath.=$pagearg.'&'.$pagename;
 1975: 	my $symb=$env{'form.pagesymb'};
 1976: 	if (!$symb) {
 1977: 	    my $path='uploaded/'.
 1978: 		$env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1979: 		$env{'course.'.$env{'request.course.id'}.'.num'}.'/';
 1980: 	    $symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
 1981: 					       $residx,
 1982: 					       $path.$pagearg.'.page');
 1983: 	}
 1984: 	$url.='pagepath='.&escape($pagepath).
 1985: 	    '&amp;pagesymb='.&escape($symb).$cpinfo;
 1986:     }
 1987:     if ($external) {
 1988: 	my $form = ($folder =~ /^default/)? 'newext' : 'supnewext';
 1989: 	$external = '&nbsp;<a class="LC_docs_ext_edit" href="javascript:edittext(\''.$form.'\',\''.$residx.'\',\''.&escape($title).'\',\''.&escape($orig_url).'\');" >'.&mt('Edit').'</a>';
 1990:     } else {
 1991: 	undef($external);
 1992:     }
 1993:     $line.='
 1994:   <td class="LC_docs_entry_icon">
 1995:     '.($url?'<a href="'.$url.'">':'').'<img src="'.$icon.'" alt="" class="LC_icon" />'.($url?'</a>':'').'
 1996:   </td>
 1997:   <td class="LC_docs_entry_title">
 1998:     '.($url?"<a href=\"$url\">":'').$title.($url?'</a>':' <span class="LC_docs_reinit_warn">'.&mt('(re-initialize course to access)').'</span>').$external."
 1999:   </td>";
 2000:     if (($allowed) && ($folder!~/^supplemental/)) {
 2001:  	my %lt=&Apache::lonlocal::texthash(
 2002:  			      'hd' => 'Hidden',
 2003:  			      'ec' => 'URL hidden');
 2004: 	my $enctext=
 2005: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':'');
 2006: 	my $hidtext=
 2007: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="1"':'');
 2008: 	$line.=(<<ENDPARMS);
 2009:   <td class="LC_docs_entry_parameter">
 2010:     $form_start
 2011:     <label><input type="checkbox" name="hiddenresource_$orderidx" onClick="this.form.changeparms.value='hiddenresource';this.form.submit()" $hidtext /> $lt{'hd'}</label>
 2012:     $form_end
 2013:   </td>
 2014:   <td class="LC_docs_entry_parameter">
 2015:     $form_start
 2016:     <label><input type="checkbox" name="encrypturl_$orderidx" onClick="this.form.changeparms.value='encrypturl';this.form.submit()" $enctext /> $lt{'ec'}</label>
 2017:     $form_end
 2018:   </td>
 2019:   <td class="LC_docs_entry_parameter">$form_start $rand_order_text $form_end</td>
 2020:   <td class="LC_docs_entry_parameter">$form_start $parameterset $form_end</td>
 2021: ENDPARMS
 2022:     }
 2023:     $line.="</tr>";
 2024:     return $line;
 2025: }
 2026: 
 2027: =pod
 2028: 
 2029: =item tiehash()
 2030: 
 2031: tie the hash
 2032: 
 2033: =cut
 2034: 
 2035: sub tiehash {
 2036:     my ($mode)=@_;
 2037:     $hashtied=0;
 2038:     if ($env{'request.course.fn'}) {
 2039: 	if ($mode eq 'write') {
 2040: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 2041: 		    &GDBM_WRCREAT(),0640)) {
 2042:                 $hashtied=2;
 2043: 	    }
 2044: 	} else {
 2045: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 2046: 		    &GDBM_READER(),0640)) {
 2047:                 $hashtied=1;
 2048: 	    }
 2049: 	}
 2050:     }    
 2051: }
 2052: 
 2053: sub untiehash {
 2054:     if ($hashtied) { untie %hash; }
 2055:     $hashtied=0;
 2056:     return OK;
 2057: }
 2058: 
 2059: 
 2060: 
 2061: 
 2062: sub checkonthis {
 2063:     my ($r,$url,$level,$title)=@_;
 2064:     $url=&unescape($url);
 2065:     $alreadyseen{$url}=1;
 2066:     $r->rflush();
 2067:     if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
 2068:        $r->print("\n<br />");
 2069:        if ($level==0) {
 2070:            $r->print("<br />");
 2071:        }
 2072:        for (my $i=0;$i<=$level*5;$i++) {
 2073:            $r->print('&nbsp;');
 2074:        }
 2075:        $r->print('<a href="'.$url.'" target="cat">'.
 2076: 		 ($title?$title:$url).'</a> ');
 2077:        if ($url=~/^\/res\//) {
 2078: 	  my $result=&Apache::lonnet::repcopy(
 2079:                               &Apache::lonnet::filelocation('',$url));
 2080:           if ($result eq 'ok') {
 2081:              $r->print('<span class="LC_success">'.&mt('ok').'</span>');
 2082:              $r->rflush();
 2083:              &Apache::lonnet::countacc($url);
 2084:              $url=~/\.(\w+)$/;
 2085:              if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
 2086: 		 $r->print('<br />');
 2087:                  $r->rflush();
 2088:                  for (my $i=0;$i<=$level*5;$i++) {
 2089:                      $r->print('&nbsp;');
 2090:                  }
 2091:                  $r->print('- '.&mt('Rendering:').' ');
 2092: 		 my ($errorcount,$warningcount)=split(/:/,
 2093: 	       &Apache::lonnet::ssi_body($url,
 2094: 			       ('grade_target'=>'web',
 2095: 				'return_only_error_and_warning_counts' => 1)));
 2096:                  if (($errorcount) ||
 2097:                      ($warningcount)) {
 2098: 		     if ($errorcount) {
 2099:                         $r->print('<img src="/adm/lonMisc/bomb.gif" /><span class="LC_error">'.
 2100:                           &mt('[quant,_1,error]',$errorcount).'</span>');
 2101:                      }
 2102: 		     if ($warningcount) {
 2103:                         $r->print('<span class="LC_warning">'.
 2104:                           &mt('[quant,_1,warning]',$warningcount).'</span>');
 2105:                      }
 2106:                  } else {
 2107:                      $r->print('<span class="LC_success">'.&mt('ok').'</span>');
 2108:                  }
 2109:                  $r->rflush();
 2110:              }
 2111: 	     my $dependencies=
 2112:                 &Apache::lonnet::metadata($url,'dependencies');
 2113:              foreach my $dep (split(/\,/,$dependencies)) {
 2114: 		 if (($dep=~/^\/res\//) && (!$alreadyseen{$dep})) {
 2115:                     &checkonthis($r,$dep,$level+1);
 2116:                  }
 2117:              }
 2118:           } elsif ($result eq 'unavailable') {
 2119:              $r->print('<span class="LC_error">'.&mt('connection down').'</span>');
 2120:           } elsif ($result eq 'not_found') {
 2121: 	      unless ($url=~/\$/) {
 2122: 		  $r->print('<span class="LC_error">'.&mt('not found').'</b></span>');
 2123: 	      } else {
 2124: 		  $r->print('<span class="LC_unknown">'.&mt('unable to verify variable URL').'</span>');
 2125: 	      }
 2126:           } else {
 2127:              $r->print('<span class="LC_error">'.&mt('access denied').'</span>');
 2128:           }
 2129:        }
 2130:     }
 2131: }
 2132: 
 2133: 
 2134: 
 2135: =pod
 2136: 
 2137: =item list_symbs()
 2138: 
 2139: List Symbs
 2140: 
 2141: =cut
 2142: 
 2143: sub list_symbs {
 2144:     my ($r) = @_;
 2145: 
 2146:     my $type = &Apache::loncommon::course_type();
 2147:     $r->print(&Apache::loncommon::start_page('Symb List'));
 2148:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Symb List'));
 2149:     my $navmap = Apache::lonnavmaps::navmap->new();
 2150:     if (!defined($navmap)) {
 2151:         $r->print('<h2>'.&mt('Retrieval of List Failed').'</h2>'.
 2152:                   '<div class="LC_error">'.
 2153:                   &mt('Unable to retrieve information about course contents').
 2154:                   '</div>');
 2155:         &Apache::lonnet::logthis('Symb list failed - could not create navmap object in '.lc($type).':'.$env{'request.course.id'});
 2156:     } else {
 2157:         $r->print("<pre>\n");
 2158:         foreach my $res ($navmap->retrieveResources()) {
 2159: 	    $r->print($res->compTitle()."\t".$res->symb()."\n");
 2160:         }
 2161:         $r->print("\n</pre>\n");
 2162:     }
 2163:     $r->print('<a href="/adm/coursedocs">'.&mt('Return to DOCS').'</a>');
 2164: }
 2165: 
 2166: 
 2167: sub verifycontent {
 2168:     my ($r) = @_;
 2169:     my $type = &Apache::loncommon::course_type();
 2170:    my $loaderror=&Apache::lonnet::overloaderror($r);
 2171:    if ($loaderror) { return $loaderror; }
 2172:    $r->print(&Apache::loncommon::start_page('Verify '.$type.' Documents'));
 2173:    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$type.' Documents'));
 2174:    $hashtied=0;
 2175:    undef %alreadyseen;
 2176:    %alreadyseen=();
 2177:    &tiehash();
 2178:    foreach my $key (keys(%hash)) {
 2179:        if ($hash{$key}=~/\.(page|sequence)$/) {
 2180: 	   if (($key=~/^src_/) && ($alreadyseen{&unescape($hash{$key})})) {
 2181: 	       $r->print('<hr /><span class="LC_error">'.
 2182: 			 &mt('The following sequence or page is included more than once in your '.$type.': ').
 2183: 			 &unescape($hash{$key}).'</span><br />'.
 2184: 			 &mt('Note that grading records for problems included in this sequence or folder will overlap.<hr />'));
 2185: 	   }
 2186:        }
 2187:        if (($key=~/^src\_(.+)$/) && (!$alreadyseen{&unescape($hash{$key})})) {
 2188:            &checkonthis($r,$hash{$key},0,$hash{'title_'.$1});
 2189:        }
 2190:    }
 2191:    &untiehash();
 2192:    $r->print('<h1>'.&mt('Done').'.</h1>'.'<a href="/adm/coursedocs">'.
 2193: 	     &mt('Return to DOCS').'</a>');
 2194: }
 2195: 
 2196: 
 2197: sub devalidateversioncache {
 2198:     my $src=shift;
 2199:     &Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
 2200: 					  &Apache::lonnet::clutter($src));
 2201: }
 2202: 
 2203: sub checkversions {
 2204:     my ($r) = @_;
 2205:     my $type = &Apache::loncommon::course_type();
 2206:     $r->print(&Apache::loncommon::start_page("Check $type Document Versions"));
 2207:     $r->print(&Apache::lonhtmlcommon::breadcrumbs("Check $type Document Versions"));
 2208:     my $header='';
 2209:     my $startsel='';
 2210:     my $monthsel='';
 2211:     my $weeksel='';
 2212:     my $daysel='';
 2213:     my $allsel='';
 2214:     my %changes=();
 2215:     my $starttime=0;
 2216:     my $haschanged=0;
 2217:     my %setversions=&Apache::lonnet::dump('resourceversions',
 2218: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2219: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2220: 
 2221:     $hashtied=0;
 2222:     &tiehash();
 2223:     my %newsetversions=();
 2224:     if ($env{'form.setmostrecent'}) {
 2225: 	$haschanged=1;
 2226: 	foreach my $key (keys(%hash)) {
 2227: 	    if ($key=~/^ids\_(\/res\/.+)$/) {
 2228: 		$newsetversions{$1}='mostrecent';
 2229:                 &devalidateversioncache($1);
 2230: 	    }
 2231: 	}
 2232:     } elsif ($env{'form.setcurrent'}) {
 2233: 	$haschanged=1;
 2234: 	foreach my $key (keys(%hash)) {
 2235: 	    if ($key=~/^ids\_(\/res\/.+)$/) {
 2236: 		my $getvers=&Apache::lonnet::getversion($1);
 2237: 		if ($getvers>0) {
 2238: 		    $newsetversions{$1}=$getvers;
 2239: 		    &devalidateversioncache($1);
 2240: 		}
 2241: 	    }
 2242: 	}
 2243:     } elsif ($env{'form.setversions'}) {
 2244: 	$haschanged=1;
 2245: 	foreach my $key (keys(%env)) {
 2246: 	    if ($key=~/^form\.set_version_(.+)$/) {
 2247: 		my $src=$1;
 2248: 		if (($env{$key}) && ($env{$key} ne $setversions{$src})) {
 2249: 		    $newsetversions{$src}=$env{$key};
 2250: 		    &devalidateversioncache($src);
 2251: 		}
 2252: 	    }
 2253: 	}
 2254:     }
 2255:     if ($haschanged) {
 2256:         if (&Apache::lonnet::put('resourceversions',\%newsetversions,
 2257: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2258: 			  $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {		
 2259: 	    $r->print('<h1>'.&mt('Your Version Settings have been Saved').'</h1>');
 2260: 	} else {
 2261: 	    $r->print('<h1><span class="LC_error">'.&mt('An Error Occured while Attempting to Save your Version Settings').'</span></h1>');
 2262: 	}
 2263: 	&mark_hash_old();
 2264:     }
 2265:     &changewarning($r,'');
 2266:     if ($env{'form.timerange'} eq 'all') {
 2267: # show all documents
 2268: 	$header=&mt('All Documents in '.$type);
 2269: 	$allsel=1;
 2270: 	foreach my $key (keys(%hash)) {
 2271: 	    if ($key=~/^ids\_(\/res\/.+)$/) {
 2272: 		my $src=$1;
 2273: 		$changes{$src}=1;
 2274: 	    }
 2275: 	}
 2276:     } else {
 2277: # show documents which changed
 2278: 	%changes=&Apache::lonnet::dump
 2279: 	 ('versionupdate',$env{'course.'.$env{'request.course.id'}.'.domain'},
 2280:                      $env{'course.'.$env{'request.course.id'}.'.num'});
 2281: 	my $firstkey=(keys(%changes))[0];
 2282: 	unless ($firstkey=~/^error\:/) {
 2283: 	    unless ($env{'form.timerange'}) {
 2284: 		$env{'form.timerange'}=604800;
 2285: 	    }
 2286: 	    my $seltext=&mt('during the last').' '.$env{'form.timerange'}.' '
 2287: 		.&mt('seconds');
 2288: 	    if ($env{'form.timerange'}==-1) {
 2289: 		$seltext='since start of course';
 2290: 		$startsel='selected';
 2291: 		$env{'form.timerange'}=time;
 2292: 	    }
 2293: 	    $starttime=time-$env{'form.timerange'};
 2294: 	    if ($env{'form.timerange'}==2592000) {
 2295: 		$seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2296: 		$monthsel='selected';
 2297: 	    } elsif ($env{'form.timerange'}==604800) {
 2298: 		$seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2299: 		$weeksel='selected';
 2300: 	    } elsif ($env{'form.timerange'}==86400) {
 2301: 		$seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2302: 		$daysel='selected';
 2303: 	    }
 2304: 	    $header=&mt('Content changed').' '.$seltext;
 2305: 	} else {
 2306: 	    $header=&mt('No content modifications yet.');
 2307: 	}
 2308:     }
 2309:     %setversions=&Apache::lonnet::dump('resourceversions',
 2310: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2311: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2312:     my %lt=&Apache::lonlocal::texthash
 2313: 	      ('st' => 'Version changes since start of '.$type,
 2314: 	       'lm' => 'Version changes since last Month',
 2315: 	       'lw' => 'Version changes since last Week',
 2316: 	       'sy' => 'Version changes since Yesterday',
 2317:                'al' => 'All Resources (possibly large output)',
 2318: 	       'sd' => 'Display',
 2319: 	       'fi' => 'File',
 2320: 	       'md' => 'Modification Date',
 2321:                'mr' => 'Most recently published Version',
 2322: 	       've' => 'Version used in '.$type,
 2323:                'vu' => 'Set Version to be used in '.$type,
 2324: 'sv' => 'Set Versions to be used in '.$type.' according to Selections below',
 2325: 'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',
 2326: 'sc' => 'Set all Resource Versions to current Version (Fix Versions)',
 2327: 	       'di' => 'Differences');
 2328:     $r->print(<<ENDHEADERS);
 2329: <form action="/adm/coursedocs" method="post">
 2330: <input type="hidden" name="versions" value="1" />
 2331: <input type="submit" name="setmostrecent" value="$lt{'sm'}" />
 2332: <input type="submit" name="setcurrent" value="$lt{'sc'}" /><hr />
 2333: <select name="timerange">
 2334: <option value='all' $allsel>$lt{'al'}</option>
 2335: <option value="-1" $startsel>$lt{'st'}</option>
 2336: <option value="2592000" $monthsel>$lt{'lm'}</option>
 2337: <option value="604800" $weeksel>$lt{'lw'}</option>
 2338: <option value="86400" $daysel>$lt{'sy'}</option>
 2339: </select>
 2340: <input type="submit" name="display" value="$lt{'sd'}" />
 2341: <h3>$header</h3>
 2342: <input type="submit" name="setversions" value="$lt{'sv'}" />
 2343: <table border="0">
 2344: ENDHEADERS
 2345:     foreach my $key (sort(keys(%changes))) {
 2346: 	if ($changes{$key}>$starttime) {
 2347: 	    my ($root,$extension)=($key=~/^(.*)\.(\w+)$/);
 2348: 	    my $currentversion=&Apache::lonnet::getversion($key);
 2349: 	    if ($currentversion<0) {
 2350: 		$currentversion=&mt('Could not be determined.');
 2351: 	    }
 2352: 	    my $linkurl=&Apache::lonnet::clutter($key);
 2353: 	    $r->print(
 2354: 		      '<tr><td colspan="5"><br /><br /><font size="+1"><b>'.
 2355: 		      &Apache::lonnet::gettitle($linkurl).
 2356:                       '</b></font></td></tr>'.
 2357:                       '<tr><td>&nbsp;&nbsp;&nbsp;</td>'.
 2358:                       '<td colspan="4">'.
 2359:                       '<a href="'.$linkurl.'" target="cat">'.$linkurl.
 2360: 		      '</a></td></tr>'.
 2361:                       '<tr><td></td>'.
 2362:                       '<td title="'.$lt{'md'}.'">'.
 2363: 		      &Apache::lonlocal::locallocaltime(
 2364:                            &Apache::lonnet::metadata($root.'.'.$extension,
 2365:                                                      'lastrevisiondate')
 2366:                                                         ).
 2367:                       '</td>'.
 2368:                       '<td title="'.$lt{'mr'}.'"><span class="LC_nobreak">Most Recent: '.
 2369:                       '<font size="+1">'.$currentversion.'</font>'.
 2370:                       '</span></td>'.
 2371:                       '<td title="'.$lt{'ve'}.'"><span class="LC_nobreak">In '.$type.': '.
 2372:                       '<font size="+1">');
 2373: # Used in course
 2374: 	    my $usedversion=$hash{'version_'.$linkurl};
 2375: 	    if (($usedversion) && ($usedversion ne 'mostrecent')) {
 2376: 		$r->print($usedversion);
 2377: 	    } else {
 2378: 		$r->print($currentversion);
 2379: 	    }
 2380: 	    $r->print('</font></span></td><td title="'.$lt{'vu'}.'">'.
 2381:                       '<span class="LC_nobreak">Use: ');
 2382: # Set version
 2383: 	    $r->print(&Apache::loncommon::select_form($setversions{$linkurl},
 2384: 						      'set_version_'.$linkurl,
 2385: 						      ('select_form_order' =>
 2386: 						       ['',1..$currentversion,'mostrecent'],
 2387: 						       '' => '',
 2388: 						       'mostrecent' => 'most recent',
 2389: 						       map {$_,$_} (1..$currentversion))));
 2390: 	    $r->print('</span></td></tr><tr><td></td>');
 2391: 	    my $lastold=1;
 2392: 	    for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
 2393: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2394: 		if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
 2395: 		    $starttime) {
 2396: 		    $lastold=$prevvers;
 2397: 		}
 2398: 	    }
 2399:             # 
 2400:             # Code to figure out how many version entries should go in
 2401:             # each of the four columns
 2402:             my $entries_per_col = 0;
 2403:             my $num_entries = ($currentversion-$lastold);
 2404:             if ($num_entries % 4 == 0) {
 2405:                 $entries_per_col = $num_entries/4;
 2406:             } else {
 2407:                 $entries_per_col = $num_entries/4 + 1;
 2408:             }
 2409:             my $entries_count = 0;
 2410:             $r->print('<td valign="top"><font size="-2">'); 
 2411:             my $cols_output = 1;
 2412:             for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
 2413: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2414: 		$r->print('<span class="LC_nobreak"><a href="'.&Apache::lonnet::clutter($url).
 2415: 			  '">'.&mt('Version').' '.$prevvers.'</a> ('.
 2416: 			  &Apache::lonlocal::locallocaltime(
 2417:                                 &Apache::lonnet::metadata($url,
 2418:                                                           'lastrevisiondate')
 2419:                                                             ).
 2420: 			  ')');
 2421: 		if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
 2422:                     $r->print(' <a href="/adm/diff?filename='.
 2423: 			      &Apache::lonnet::clutter($root.'.'.$extension).
 2424: 			      '&versionone='.$prevvers.
 2425: 			      '">'.&mt('Diffs').'</a>');
 2426: 		}
 2427: 		$r->print('</span><br />');
 2428:                 if (++$entries_count % $entries_per_col == 0) {
 2429:                     $r->print('</font></td>');
 2430:                     if ($cols_output != 4) {
 2431:                         $r->print('<td valign="top"><font size="-2">');
 2432:                         $cols_output++;
 2433:                     }
 2434:                 }
 2435: 	    }
 2436:             while($cols_output++ < 4) {
 2437:                 $r->print('</font></td><td><font>')
 2438:             }
 2439: 	    $r->print('</font></td></tr>'."\n");
 2440: 	}
 2441:     }
 2442:     $r->print('</table></form>');
 2443:     $r->print('<h1>'.&mt('Done').'.</h1>');
 2444: 
 2445:     &untiehash();
 2446: }
 2447: 
 2448: sub mark_hash_old {
 2449:     my $retie_hash=0;
 2450:     if ($hashtied) {
 2451: 	$retie_hash=1;
 2452: 	&untiehash();
 2453:     }
 2454:     &tiehash('write');
 2455:     $hash{'old'}=1;
 2456:     &untiehash();
 2457:     if ($retie_hash) { &tiehash(); }
 2458: }
 2459: 
 2460: sub is_hash_old {
 2461:     my $untie_hash=0;
 2462:     if (!$hashtied) {
 2463: 	$untie_hash=1;
 2464: 	&tiehash();
 2465:     }
 2466:     my $return=$hash{'old'};
 2467:     if ($untie_hash) { &untiehash(); }
 2468:     return $return;
 2469: }
 2470: 
 2471: sub changewarning {
 2472:     my ($r,$postexec,$message,$url)=@_;
 2473:     if (!&is_hash_old()) { return; }
 2474:     my $pathvar='folderpath';
 2475:     my $path=&escape($env{'form.folderpath'});
 2476:     if (!defined($url)) {
 2477: 	if (defined($env{'form.pagepath'})) {
 2478: 	    $pathvar='pagepath';
 2479: 	    $path=&escape($env{'form.pagepath'});
 2480: 	    $path.='&amp;pagesymb='.&escape($env{'form.pagesymb'});
 2481: 	}
 2482: 	$url='/adm/coursedocs?'.$pathvar.'='.$path;
 2483:     }
 2484:     my $course_type = &Apache::loncommon::course_type();
 2485:     if (!defined($message)) {
 2486: 	$message='Changes will become active for your current session after [_1], or the next time you log in.';
 2487:     }
 2488:     $r->print("\n\n".
 2489: '<script type="text/javascript">function reinit(tf) { tf.submit();'.$postexec.' }</script>'."\n". 
 2490: '<form name="reinitform" method="post" action="/adm/roles" target="loncapaclient">'.
 2491: '<input type="hidden" name="orgurl" value="'.$url.
 2492: '" /><input type="hidden" name="selectrole" value="1" /><h3><span class="LC_warning">'.
 2493: &mt($message,' <input type="hidden" name="'.
 2494:     $env{'request.role'}.'" value="1" /><input type="button" value="'.
 2495:     &mt('re-initializing '.$course_type).'" onClick="reinit(this.form)" />').
 2496: $help{'Caching'}.'</span></h3></form>'."\n\n");
 2497: }
 2498: 
 2499: 
 2500: sub init_breadcrumbs {
 2501:     my ($form,$text)=@_;
 2502:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 2503:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs",
 2504: 					    text=>"Edit ".&Apache::loncommon::course_type(),
 2505: 					    faq=>273,
 2506: 					    bug=>'Instructor Interface',
 2507:                                             help => 'Docs_Adding_Course_Doc'});
 2508:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs?".$form.'=1',
 2509: 					    text=>$text,
 2510: 					    faq=>273,
 2511: 					    bug=>'Instructor Interface'});
 2512: }
 2513: 
 2514: 
 2515: 
 2516: 
 2517: sub handler {
 2518:     my $r = shift;
 2519:     &Apache::loncommon::content_type($r,'text/html');
 2520:     $r->send_http_header;
 2521:     return OK if $r->header_only;
 2522:     my $type = &Apache::loncommon::course_type();
 2523: 
 2524: 
 2525: # --------------------------------------------- Initialize help topics for this
 2526:     foreach my $topic ('Adding_Course_Doc','Main_Course_Documents',
 2527: 	               'Adding_External_Resource','Navigate_Content',
 2528: 	               'Adding_Folders','Docs_Overview', 'Load_Map',
 2529: 	               'Supplemental','Score_Upload_Form','Adding_Pages',
 2530: 	               'Importing_LON-CAPA_Resource','Uploading_From_Harddrive',
 2531: 	               'Check_Resource_Versions','Verify_Content') {
 2532: 	$help{$topic}=&Apache::loncommon::help_open_topic('Docs_'.$topic);
 2533:     }
 2534:     # Composite help files
 2535:     $help{'Syllabus'} = &Apache::loncommon::help_open_topic(
 2536: 		    'Docs_About_Syllabus,Docs_Editing_Templated_Pages');
 2537:     $help{'Simple Page'} = &Apache::loncommon::help_open_topic(
 2538: 		    'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');
 2539:     $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(
 2540: 		    'Option_Response_Simple');
 2541:     $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(
 2542: 		    'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');
 2543:     $help{'My Personal Info'} = &Apache::loncommon::help_open_topic(
 2544: 		  'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
 2545:     $help{'Group Files'} = &Apache::loncommon::help_open_topic('Docs_About_Group_Files');
 2546:     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
 2547: 
 2548: # does this user have privileges to modify docs
 2549:     my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
 2550:   if ($allowed && $env{'form.verify'}) {
 2551:       &init_breadcrumbs('verify','Verify Content');
 2552:       &verifycontent($r);
 2553:   } elsif ($allowed && $env{'form.listsymbs'}) {
 2554:       &init_breadcrumbs('listsymbs','List Symbs');
 2555:       &list_symbs($r);
 2556:   } elsif ($allowed && $env{'form.docslog'}) {
 2557:       &init_breadcrumbs('docslog','Show Log');
 2558:       &docs_change_log($r);
 2559:   } elsif ($allowed && $env{'form.versions'}) {
 2560:       &init_breadcrumbs('versions','Check/Set Resource Versions');
 2561:       &checkversions($r);
 2562:   } elsif ($allowed && $env{'form.dumpcourse'}) {
 2563:       &init_breadcrumbs('dumpcourse','Dump '.&Apache::loncommon::course_type().' DOCS to Construction Space');
 2564:       &dumpcourse($r);
 2565:   } elsif ($allowed && $env{'form.exportcourse'}) {
 2566:       &init_breadcrumbs('exportcourse','Export '.&Apache::loncommon::course_type().' to IMS');
 2567:       &exportcourse($r);
 2568:   } else {
 2569: # is this a standard course?
 2570: 
 2571:     my $standard=($env{'request.course.uri'}=~/^\/uploaded\//);
 2572:     my $forcestandard = 0;
 2573:     my $forcesupplement;
 2574:     my $script='';
 2575:     my $showdoc=0;
 2576:     my $containertag;
 2577:     my $uploadtag;
 2578: 
 2579: 
 2580:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 2581: 					    ['folderpath','pagepath',
 2582: 					     'pagesymb']);
 2583: # No folderpath, no pagepath, see if we have something stored
 2584:     if ((!$env{'form.folderpath'}) && (!$env{'form.pagepath'})) {
 2585:         &Apache::loncommon::restore_course_settings('docs_folderpath',
 2586:                                               {'folderpath' => 'scalar'});
 2587:     }
 2588:     if (!$env{'form.folderpath'}) {
 2589:         &Apache::loncommon::restore_course_settings('docs_folderpath',
 2590:                                               {'pagepath' => 'scalar'});
 2591:     }
 2592:     if ($env{'form.pagepath'}) {
 2593:        $env{'form.folderpath'}='';
 2594:     }
 2595:     if ($env{'form.folderpath'} =~ /^supplemental_\d+/) {
 2596:         $env{'form.folderpath'} = 'supplemental&'.
 2597:                                   &escape(&mt('Supplemental '.$type.' Documents')).'&'.
 2598:                                   $env{'form.folderpath'};
 2599:     }
 2600:     &Apache::loncommon::store_course_settings('docs_folderpath',
 2601:                                                 {'pagepath' => 'scalar',
 2602:                                                  'folderpath' => 'scalar'});
 2603:     if ($env{'form.folderpath'}) {
 2604: 	my (@folderpath)=split('&',$env{'form.folderpath'});
 2605: 	$env{'form.foldername'}=&unescape(pop(@folderpath));
 2606: 	$env{'form.folder'}=pop(@folderpath);
 2607:     }
 2608:     if ($env{'form.pagepath'}) {
 2609:         my (@pagepath)=split('&',$env{'form.pagepath'});
 2610:         $env{'form.pagename'}=&unescape(pop(@pagepath));
 2611:         $env{'form.folder'}=pop(@pagepath);
 2612:         $containertag = '<input type="hidden" name="pagepath" value="" />'.
 2613: 	    '<input type="hidden" name="pagesymb" value="" />';
 2614:         $uploadtag = '<input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />'.
 2615: 	    '<input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />';
 2616:     }
 2617:     if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
 2618:        $showdoc='/'.$1;
 2619:     }
 2620:     unless ($showdoc) { # got called from remote
 2621:        if (($env{'form.folder'}=~/^(?:group|default)_/) || 
 2622:           ($env{'form.folder'} =~ m:^\d+/(pages|sequences)/:)) {
 2623:            $forcestandard = 1;
 2624:        } 
 2625:        $forcesupplement=($env{'form.folder'}=~/^supplemental_/);
 2626: 
 2627:        if ($allowed) { 
 2628:          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
 2629:          $script=&Apache::lonratedt::editscript('simple'); 
 2630:        }
 2631:     } else { # got called in sequence from course
 2632:        $allowed=0;
 2633:     }
 2634: 
 2635: # get course data
 2636:     my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
 2637:     my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2638: 
 2639: # get personal data 
 2640:     my $uname=$env{'user.name'};
 2641:     my $udom=$env{'user.domain'};
 2642:     my $plainname=&escape(&Apache::loncommon::plainname($uname,$udom));
 2643: 
 2644: # graphics settings
 2645: 
 2646:     $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
 2647: 
 2648:     if ($allowed) {
 2649: 	$script .= &editing_js($udom,$uname);
 2650:     }
 2651: # -------------------------------------------------------------------- Body tag
 2652:     $script = '<script type="text/javascript">'."\n".$script."\n".'</script>';
 2653:     my $brcrum = [{href=>"/adm/createuser",text=>"$type Documents"}];
 2654:     $r->print(&Apache::loncommon::start_page("$type Documents", $script,
 2655: 				    {'force_register' => $showdoc,
 2656:                                      'bread_crumbs' => $brcrum}).
 2657: 	      &Apache::loncommon::help_open_menu('','',273,'RAT'));
 2658:   
 2659:   my %allfiles = ();
 2660:   my %codebase = ();
 2661:   my ($upload_result,$upload_output);
 2662:   if ($allowed) {
 2663:       if (($env{'form.uploaddoc.filename'}) &&
 2664: 	  ($env{'form.cmd'}=~/^upload_(\w+)/)) {
 2665: # Process file upload - phase one - upload and parse primary file.  
 2666: 	  undef($hadchanges);
 2667:           $upload_result = &process_file_upload(\$upload_output,$coursenum,
 2668: 						$coursedom,\%allfiles,
 2669: 						\%codebase,$1);
 2670: 	  if ($hadchanges) {
 2671: 	      &mark_hash_old();
 2672: 	  }
 2673:           if ($upload_result eq 'phasetwo') {
 2674:               $r->print($upload_output);
 2675:           }
 2676:       } elsif ($env{'form.phasetwo'}) {
 2677:           my %newname = ();
 2678:           my %origname = ();
 2679:           my %attribs = ();
 2680:           my $updateflag = 0;
 2681:           my $residx = $env{'form.newidx'};
 2682:           my $primary_url = &unescape($env{'form.primaryurl'});
 2683: # Process file upload - phase two - gather secondary files.
 2684:           for (my $i=0; $i<$env{'form.phasetwo'}; $i++) {
 2685:               if ($env{'form.embedded_item_'.$i.'.filename'}) {
 2686:                   my $javacodebase;
 2687:                   $newname{$i} = &process_secondary_uploads(\$upload_output,$coursedom,$coursenum,'embedded_item_',$i,$residx);
 2688:                   $origname{$i} = &unescape($env{'form.embedded_orig_'.$i});
 2689:                   if (exists($env{'form.embedded_codebase_'.$i})) {
 2690:                       $javacodebase =  &unescape($env{'form.embedded_codebase_'.$i});  
 2691:                       $origname{$i} =~ s#^\Q$javacodebase\E/##; 
 2692:                   }
 2693:                   my @attributes = ();
 2694:                   if ($env{'form.embedded_attrib_'.$i} =~ /:/) {
 2695:                       @attributes = split(/:/,$env{'form.embedded_attrib_'.$i});
 2696:                   } else {
 2697:                       @attributes = ($env{'form.embedded_attrib_'.$i});
 2698:                   }
 2699:                   foreach my $attr (@attributes) {
 2700:                       push(@{$attribs{$i}},&unescape($attr));
 2701:                   }
 2702:                   if ($javacodebase) {
 2703:                       $codebase{$i} = $javacodebase;
 2704:                       $codebase{$i} =~ s#/$##;
 2705:                       $updateflag = 1;
 2706:                   }
 2707:               }
 2708:               unless ($newname{$i} eq $origname{$i}) {
 2709:                   $updateflag = 1;
 2710:               }
 2711:           }
 2712: # Process file upload - phase three - modify primary file
 2713:           if ($updateflag) {
 2714:               my ($content,$rtncode);
 2715:               my $updateflag = 0;
 2716:               my $getstatus = &Apache::lonnet::getuploaded('GET',$primary_url,$coursedom,$coursenum,\$content,\$rtncode);
 2717:               if ($getstatus eq 'ok') {
 2718:                   foreach my $item (keys(%newname)) {
 2719:                       if ($newname{$item} ne $origname{$item}) {
 2720:                           my $attrib_regexp = '';
 2721:                           if (@{$attribs{$item}} > 1) {
 2722:                               $attrib_regexp = join('|',@{$attribs{$item}});
 2723:                           } else {
 2724:                               $attrib_regexp = $attribs{$item}[0];
 2725:                           }
 2726:                           if ($content =~ m#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#) {
 2727:                           } 
 2728:                           $content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#$1$newname{$item}$2#gi; 
 2729:                       }
 2730:                       if (exists($codebase{$item})) {
 2731:                           $content =~ s/(codebase\s*=\s*["']?)\Q$codebase{$item}\E(["']?)/$1.$2/i; #' stupid emacs
 2732:                       }
 2733:                   }
 2734: # Save edited file.
 2735:                   my $saveresult;
 2736:                   my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
 2737:                   my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2738:                   my $url = &Apache::lonnet::store_edited_file($primary_url,$content,$docudom,$docuname,\$saveresult);
 2739:               } else {
 2740:                   &Apache::lonnet::logthis('retrieval of uploaded file - '.$primary_url.' - for editing, failed: '.$getstatus); 
 2741:               }
 2742:           }
 2743:       }
 2744:   }
 2745: 
 2746:   unless ($showdoc ||  $upload_result eq 'phasetwo') {
 2747: # -----------------------------------------------------------------------------
 2748:        my %lt=&Apache::lonlocal::texthash(
 2749:                 'uplm' => 'Upload a new main '.lc($type).' document',
 2750:                 'upls' => 'Upload a new supplemental '.lc($type).' document',
 2751:                 'impp' => 'Import a document',
 2752:                 'pubd' => 'Published Documents',
 2753: 		'copm' => 'All documents out of a published map into this folder',
 2754:                 'upld' => 'Upload Document',
 2755:                 'srch' => 'Search',
 2756:                 'impo' => 'Import',
 2757: 		'book' => 'Import Bookmarks',
 2758:                 'selm' => 'Select Map',
 2759:                 'load' => 'Load Map',
 2760:                 'reco' => 'Recover Deleted Resources',
 2761:                 'newf' => 'New Folder',
 2762:                 'newp' => 'New Composite Page',
 2763:                 'extr' => 'External Resource',
 2764:                 'syll' => 'Syllabus',
 2765:                 'navc' => 'Navigate Contents',
 2766:                 'sipa' => 'Simple Page',
 2767:                 'sipr' => 'Simple Problem',
 2768:                 'drbx' => 'Drop Box',
 2769:                 'scuf' => 'Score Upload Form',
 2770:                 'bull' => 'Bulletin Board',
 2771:                 'mypi' => 'My Personal Info',
 2772:                 'grpo' => 'Group Files',
 2773:                 'rost' => 'Course Roster',
 2774: 		'abou' => 'About User',
 2775:                 'imsf' => 'Import IMS package',
 2776:                 'file' =>  'File',
 2777:                 'title' => 'Title',
 2778:                 'comment' => 'Comment',
 2779:                 'parse' => 'Upload embedded images/multimedia files if HTML file!',
 2780: 		'nd' => 'New Document',
 2781: 		'pm' => 'Published Map',
 2782: 		'sd' => 'Special Document',
 2783: 		'mo' => 'More Options',
 2784: 		'hao' => 'Hide all Options'
 2785: 					  );
 2786: # -----------------------------------------------------------------------------
 2787: 	my $fileupload=(<<FIUP);
 2788: 	$lt{'file'}:<br />
 2789: 	<input type="file" name="uploaddoc" size="40" />
 2790: FIUP
 2791: 
 2792: 	my $checkbox=(<<CHBO);
 2793: 	<!-- <label>$lt{'parse'}?
 2794: 	<input type="checkbox" name="parserflag" />
 2795: 	</label> -->
 2796: 	<label>
 2797: 	<input type="checkbox" name="parserflag" checked="checked" /> $lt{'parse'}
 2798: 	</label>
 2799: CHBO
 2800: 
 2801: 	my $fileuploadform=(<<FUFORM);
 2802: 	<form name="uploaddocument" action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 2803: 	$fileupload
 2804: 	<br />
 2805: 	$lt{'title'}:<br />
 2806: 	<input type="text" size="50" name="comment" />
 2807: 	$uploadtag
 2808: 	<input type="hidden" name="cmd" value="upload_default" />
 2809: 	<br />
 2810: 	<span class="LC_nobreak">
 2811: 	$checkbox
 2812: 	</span>
 2813: 	<br />
 2814: 	<br />
 2815: 	<span class="LC_nobreak">
 2816: 	<input type="submit" value="$lt{'upld'}" />
 2817: 	 $help{'Uploading_From_Harddrive'}
 2818: 	</span>
 2819: 	</form>
 2820: FUFORM
 2821: 
 2822: 	my $simpleeditdefaultform=(<<SEDFFORM);
 2823: 	<form action="/adm/coursedocs" method="post" name="simpleeditdefault">
 2824: 	$lt{'pubd'}<br />
 2825: 	$uploadtag
 2826: 	<input type="button" onClick="javascript:groupsearch()" value="$lt{'srch'}" />
 2827: 	<br />
 2828: 	<span class="LC_nobreak">
 2829: 	<input type="button" onClick="javascript:groupimport();" value="$lt{'impo'}" />
 2830: 	$help{'Importing_LON-CAPA_Resource'}
 2831: 	</span>
 2832: 	<br />
 2833: 	<input type="button" onClick="javascript:groupopen(0,1,1);" value="$lt{'book'}" />
 2834: 	<hr />
 2835: 	<p>
 2836: 	$lt{'copm'}<br />
 2837: 	<input type="text" size="40" name="importmap" /><br />
 2838: 	<span class="LC_nobreak"><input type="button" 
 2839: 	onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"
 2840: 	value="$lt{'selm'}" /> <input type="submit" name="loadmap" value="$lt{'load'}" />
 2841: 	$help{'Load_Map'}</span>
 2842: 	</p>
 2843: 	</form>
 2844: SEDFFORM
 2845: 
 2846: 	my $extresourcesform=(<<ERFORM);
 2847: 	<form action="/adm/coursedocs" method="post" name="newext">
 2848: 	$uploadtag
 2849: 	<input type="hidden" name="importdetail" value="" />
 2850: 	<span class="LC_nobreak">
 2851: 	<input name="newext" type="button" onClick="javascript:makenewext('newext');"
 2852: 	value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 2853: 	</span>
 2854: 	</form>
 2855: ERFORM
 2856: 
 2857:     if ($allowed) {
 2858: 	&update_paste_buffer($coursenum,$coursedom);
 2859:        my $dumpbut=&dumpbutton();
 2860:        my $exportbut=&exportbutton();
 2861:        my %lt=&Apache::lonlocal::texthash(
 2862: 					 'vc' => 'Verify Content',
 2863: 					 'cv' => 'Check/Set Resource Versions',
 2864: 					 'ls' => 'List Symbs',
 2865:                                          'sl' => 'Show Log'
 2866: 					  );
 2867: 
 2868:        my $folderpath=$env{'form.folderpath'};
 2869:        if (!$folderpath) {
 2870: 	   if ($env{'form.folder'} eq '' ||
 2871: 	       $env{'form.folder'} eq 'supplemental') {
 2872: 	       $folderpath='default&'.
 2873: 		   &escape(&mt('Main '.$type.' Documents'));
 2874: 	   }
 2875:        }
 2876:        unless ($env{'form.pagepath'}) {
 2877:            $containertag = '<input type="hidden" name="folderpath" value="" />';
 2878:            $uploadtag = '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($folderpath,'<>&"').'" />';
 2879:        }
 2880: 
 2881:        $r->print(<<ENDCOURSEVERIFY);
 2882: <form name="renameform" method="post" action="/adm/coursedocs">
 2883:   <input type="hidden" name="title" />
 2884:   <input type="hidden" name="cmd" />
 2885:   <input type="hidden" name="markcopy" />
 2886:   <input type="hidden" name="copyfolder" />
 2887:   $containertag
 2888: </form>
 2889: <form name="simpleedit" method="post" action="/adm/coursedocs">
 2890:   <input type="hidden" name="importdetail" value="" />
 2891:   $uploadtag
 2892: </form>
 2893: <form action="/adm/coursedocs" method="post" name="courseverify">
 2894:   <div class="LC_docs_course_commands">
 2895: 
 2896:       <div>
 2897:         <input type="submit" name="verify" value="$lt{'vc'}" />$help{'Verify_Content'}
 2898:       </div>
 2899:       <div>
 2900:         <input type="submit" name="versions" value="$lt{'cv'}" />$help{'Check_Resource_Versions'}
 2901:       </div>
 2902:         $dumpbut
 2903:         $exportbut
 2904:       <div>
 2905:         <input type="submit" name="listsymbs" value="$lt{'ls'}" />
 2906:       </div>
 2907:       <div>
 2908:         <input type="hidden" name="folder" value="$env{'form.folder'}" />
 2909:         <input type="submit" name="docslog" value="$lt{'sl'}" />
 2910:       </div>
 2911:   </div>
 2912: </form>
 2913: <div style="clear: both; height: 0px;">&nbsp;</div>
 2914: ENDCOURSEVERIFY
 2915:        $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
 2916: 		     &mt('Editing the Table of Contents for your '.$type)));
 2917:     }
 2918: # --------------------------------------------------------- Standard documents
 2919:     $r->print('<table class="LC_docs_documents">');
 2920: 
 2921:     if (($standard) && ($allowed) && (!$forcesupplement)) {
 2922: 	$r->print('<tr><td class="LC_docs_document">');
 2923: #  '<h2>'.&mt('Main Course Documents').
 2924: #  ($allowed?' '.$help{'Main_Course_Documents'}:'').'</h2>');
 2925:        my $folder=$env{'form.folder'};
 2926:        if ($folder eq '' || $folder eq 'supplemental') {
 2927:            $folder='default';
 2928: 	   $env{'form.folderpath'}='default&'.&escape(&mt('Main '.$type.' Documents'));
 2929:            $uploadtag = '<input type="hidden" name="folderpath" value="'.
 2930: 	       &HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />';
 2931:        }
 2932:        my $postexec='';
 2933:        if ($folder eq 'default') {
 2934: 	   $r->print('<script type="text/javascript">this.window.name="loncapaclient";</script>');
 2935:        } else {
 2936:            #$postexec='self.close();';
 2937:        }
 2938:        $hadchanges=0;
 2939:        my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,
 2940: 			   $upload_output,$type);
 2941:        if ($error) {
 2942: 	   $r->print('<p><span class="LC_error">'.$error.'</span></p>');
 2943:        }
 2944:        if ($hadchanges) {
 2945: 	   &mark_hash_old();
 2946:        }
 2947:        &changewarning($r,$postexec);
 2948:        my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2949:                      '.sequence';
 2950:        my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2951:                      '.page';
 2952: 	my $container='sequence';
 2953: 	if ($env{'form.pagepath'}) {
 2954: 	    $container='page';
 2955: 	}
 2956: 	my $readfile='/uploaded/'.$coursedom.'/'.$coursenum.'/'.$folder.'.'.$container;
 2957: 
 2958: 
 2959: 
 2960: 	my $recoverform=(<<RFORM);
 2961: 	<form action="/adm/groupsort" method="post" name="recover">
 2962: 	<input type="button" name="recovermap" onClick="javascript:groupopen('$readfile',1,0)" value="$lt{'reco'}" />
 2963: 	</form>
 2964: RFORM
 2965: 
 2966: 	my $imspform=(<<IMSPFORM);
 2967: 	<form action="/adm/imsimportdocs" method="post" name="ims">
 2968: 	<input type="hidden" name="folder" value="$folder" />
 2969: 	<input name="imsimport" type="button" value="$lt{'imsf'}" onClick="javascript:makeims();" />
 2970: 	</form>
 2971: IMSPFORM
 2972: 
 2973: 	my $newnavform=(<<NNFORM);
 2974: 	<form action="/adm/coursedocs" method="post" name="newnav">
 2975: 	$uploadtag
 2976: 	<input type="hidden" name="importdetail" 
 2977: 	value="$lt{'navc'}=/adm/navmaps" />
 2978: 	<span class="LC_nobreak">
 2979: 	<input name="newnav" type="submit" value="$lt{'navc'}" />
 2980: 	$help{'Navigate_Content'}
 2981: 	</span>
 2982: 	</form>
 2983: NNFORM
 2984: 	my $newsmppageform=(<<NSPFORM);
 2985: 	<form action="/adm/coursedocs" method="post" name="newsmppg">
 2986: 	$uploadtag
 2987: 	<input type="hidden" name="importdetail" value="" />
 2988: 	<span class="LC_nobreak">
 2989: 	<input name="newsmppg" type="button" value="$lt{'sipa'}"
 2990: 	onClick="javascript:makesmppage();" /> $help{'Simple Page'}
 2991: 	</span>
 2992: 	</form>
 2993: NSPFORM
 2994: 
 2995: 	my $newsmpproblemform=(<<NSPROBFORM);
 2996: 	<form action="/adm/coursedocs" method="post" name="newsmpproblem">
 2997: 	$uploadtag
 2998: 	<input type="hidden" name="importdetail" value="" />
 2999: 	<span class="LC_nobreak">
 3000: 	<input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 3001: 	onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 3002: 	</span>
 3003: 	</form>
 3004: 
 3005: NSPROBFORM
 3006: 
 3007: 	my $newdropboxform=(<<NDBFORM);
 3008: 	<form action="/adm/coursedocs" method="post" name="newdropbox">
 3009: 	$uploadtag      
 3010: 	<input type="hidden" name="importdetail" value="" />
 3011: 	<span class="LC_nobreak">          
 3012: 	<input name="newdropbox" type="button" value="$lt{'drbx'}"
 3013: 	onClick="javascript:makedropbox();" />
 3014: 	</span>         
 3015: 	</form> 
 3016: NDBFORM
 3017: 
 3018: 	my $newexuploadform=(<<NEXUFORM);
 3019: 	<form action="/adm/coursedocs" method="post" name="newexamupload">
 3020: 	$uploadtag
 3021: 	<input type="hidden" name="importdetail" value="" />
 3022: 	<span class="LC_nobreak">
 3023: 	<input name="newexamupload" type="button" value="$lt{'scuf'}"
 3024: 	onClick="javascript:makeexamupload();" />
 3025: 	$help{'Score_Upload_Form'}
 3026: 	</span>
 3027: 	</form>
 3028: NEXUFORM
 3029: 
 3030: 	my $newbulform=(<<NBFORM);
 3031: 	<form action="/adm/coursedocs" method="post" name="newbul">
 3032: 	$uploadtag
 3033: 	<input type="hidden" name="importdetail" value="" />
 3034: 	<span class="LC_nobreak">
 3035: 	<input name="newbulletin" type="button" value="$lt{'bull'}"
 3036: 	onClick="javascript:makebulboard();" />
 3037: 	$help{'Bulletin Board'}
 3038: 	</span>
 3039: 	</form>
 3040: NBFORM
 3041: 
 3042: 	my $newaboutmeform=(<<NAMFORM);
 3043: 	<form action="/adm/coursedocs" method="post" name="newaboutme">
 3044: 	$uploadtag
 3045: 	<input type="hidden" name="importdetail" 
 3046: 	value="$plainname=/adm/$udom/$uname/aboutme" />
 3047: 	<span class="LC_nobreak">
 3048: 	<input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 3049: 	$help{'My Personal Info'}
 3050: 	</span>
 3051: 	</form>
 3052: NAMFORM
 3053: 
 3054: 	my $newaboutsomeoneform=(<<NASOFORM);
 3055: 	<form action="/adm/coursedocs" method="post" name="newaboutsomeone">
 3056: 	$uploadtag
 3057: 	<input type="hidden" name="importdetail" value="" />
 3058: 	<span class="LC_nobreak">
 3059: 	<input name="newaboutsomeone" type="button" value="$lt{'abou'}" 
 3060: 	onClick="javascript:makeabout();" />
 3061: 	</span>
 3062: 	</form>
 3063: NASOFORM
 3064: 
 3065: 
 3066: 	my $newrosterform=(<<NROSTFORM);
 3067: 	<form action="/adm/coursedocs" method="post" name="newroster">
 3068: 	$uploadtag
 3069: 	<input type="hidden" name="importdetail" 
 3070: 	value="$lt{'rost'}=/adm/viewclasslist" />
 3071: 	<span class="LC_nobreak">
 3072: 	<input name="newroster" type="submit" value="$lt{'rost'}" />
 3073: 	$help{'Course Roster'}
 3074: 	</span>
 3075: 	</form>
 3076: NROSTFORM
 3077: 
 3078:        $r->print(<<ENDFORM);
 3079: 
 3080: <ul class="LC_TabContent">
 3081: <li>$lt{'nd'}</li>
 3082: <li>$lt{'pm'}</li>
 3083: <li>$lt{'pubd'}</li>
 3084: <li>$lt{'sd'}</li>
 3085: <li>$lt{'mo'}</li>
 3086: <li>$lt{'hao'}</li>
 3087: </ul>
 3088: 
 3089: <table class="LC_docs_adddocs">
 3090: <!-- <tr>
 3091: <th>$lt{'uplm'}</th>
 3092: <th>$lt{'impp'}</th>
 3093: <th>$lt{'spec'}</th>
 3094: </tr> -->
 3095: <tr>
 3096: <td>
 3097: $fileuploadform
 3098: </td>
 3099: <td>
 3100: $simpleeditdefaultform
 3101: <hr />
 3102: $recoverform
 3103: ENDFORM
 3104:        unless ($env{'form.pagepath'}) {
 3105: 	   $r->print(<<ENDFORM);
 3106: <hr />
 3107: $extresourcesform
 3108: 	<br />
 3109: $imspform
 3110: ENDFORM
 3111:        }
 3112:        $r->print('</td><td>');
 3113:        unless ($env{'form.pagepath'}) {
 3114: 	   my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 3115: 
 3116: 
 3117: 
 3118: 	my $newpageform=(<<NPFORM);
 3119: 	<form action="/adm/coursedocs" method="post" name="newpage">
 3120: 	<input type="hidden" name="folderpath" value="$path" />
 3121: 	<input type="hidden" name="importdetail" value="" />
 3122: 	<span class="LC_nobreak">
 3123: 	<input name="newpage" type="button"
 3124: 	onClick="javascript:makenewpage(this.form,'$pageseq');"
 3125: 	value="$lt{'newp'}" />$help{'Adding_Pages'}
 3126: 	</span>
 3127: 	</form>
 3128: NPFORM
 3129: 
 3130: 	my $newfolderform=(<<NFFORM);
 3131: 	<form action="/adm/coursedocs" method="post" name="newfolder">
 3132: 	<input type="hidden" name="folderpath" value="$path" />
 3133: 	<input type="hidden" name="importdetail" value="" />
 3134: 	<span class="LC_nobreak">
 3135: 	<input name="newfolder" type="button"
 3136: 	onClick="javascript:makenewfolder(this.form,'$folderseq');"
 3137: 	value="$lt{'newf'}" />$help{'Adding_Folders'}
 3138: 	</span>
 3139: 	</form>
 3140: NFFORM
 3141: 
 3142: 	my $newsylform=(<<NSYLFORM);
 3143: 	<form action="/adm/coursedocs" method="post" name="newsyl">
 3144: 	$uploadtag
 3145: 	<input type="hidden" name="importdetail" 
 3146: 	value="$lt{'syll'}=/public/$coursedom/$coursenum/syllabus" />
 3147: 	<span class="LC_nobreak">
 3148: 	<input name="newsyl" type="submit" value="$lt{'syll'}" /> 
 3149: 	$help{'Syllabus'}
 3150: 	</span>
 3151: 	</form>
 3152: NSYLFORM
 3153: 	
 3154: 	my $newgroupfileform=(<<NGFFORM);
 3155: 	<form action="/adm/coursedocs" method="post" name="newgroupfiles">
 3156: 	$uploadtag
 3157: 	<input type="hidden" name="importdetail"
 3158: 	value="$lt{'grpo'}=/adm/$coursedom/$coursenum/aboutme" />
 3159: 	<span class="LC_nobreak">
 3160: 	<input name="newgroupfiles" type="submit" value="$lt{'grpo'}" />
 3161: 	$help{'Group Files'}
 3162: 	</span>
 3163: 	</form>
 3164: NGFFORM
 3165: 
 3166: 
 3167:            $r->print(<<ENDFORM);
 3168: <br />
 3169: $newfolderform
 3170: <br />
 3171: $newpageform
 3172: <br />
 3173: $newsylform
 3174: <br />
 3175: $newnavform
 3176: <br />
 3177: $newsmppageform
 3178: <br />
 3179: $newsmpproblemform
 3180: <br />
 3181: $newdropboxform
 3182: <br />
 3183: $newexuploadform
 3184: <br />
 3185: $newbulform
 3186: <br />
 3187: $newaboutmeform
 3188: <br />
 3189: $newaboutsomeoneform
 3190: <br />
 3191: $newgroupfileform
 3192: <br />
 3193: $newrosterform
 3194: ENDFORM
 3195:        }
 3196:        if ($env{'form.pagepath'}) {
 3197:            $r->print(<<ENDBLOCK);
 3198: $newsmpproblemform
 3199: <br />
 3200: $newexuploadform
 3201: ENDBLOCK
 3202:        }
 3203:        $r->print('</td></tr>'."\n".
 3204: '</table>');
 3205:        $r->print('</td></tr>');
 3206:     }
 3207: # ----------------------------------------------------- Supplemental documents
 3208:     if (!$forcestandard) {
 3209:        $r->print('<tr><td class="LC_docs_document">');
 3210: # '<h2>'.&mt('Supplemental Course Documents').
 3211: #  ($allowed?' '.$help{'Supplemental'}:'').'</h2>');
 3212:        my $folder=$env{'form.folder'};
 3213:        unless ($folder=~/^supplemental/) {
 3214: 	   $folder='supplemental';
 3215:        }
 3216:        if ($folder =~ /^supplemental$/ &&
 3217: 	   (($env{'form.folderpath'} =~ /^default\&/) || ($env{'form.folderpath'} eq ''))) {
 3218:           $env{'form.folderpath'} = 'supplemental&'.
 3219:                                     &escape(&mt('Supplemental '.$type.' Documents'));
 3220:        }
 3221:        my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$type);
 3222:        if ($error) {
 3223: 	   $r->print('<p><span class="LC_error">'.$error.'</span></p>');
 3224:        }
 3225:        if ($allowed) {
 3226: 	   my $folderseq=
 3227: 	       '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
 3228: 	       '.sequence';
 3229: 
 3230: 	   my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
 3231: 
 3232: 	my $supupdocform=(<<SUPDOCFORM);
 3233: 	<form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 3234: 	$fileupload
 3235: 	<br />
 3236: 	<br />
 3237: 	<span class="LC_nobreak">
 3238: 	$checkbox
 3239: 	</span>
 3240: 	<br /><br />
 3241: 	$lt{'comment'}:<br />
 3242: 	<textarea cols=50 rows=4 name='comment'>
 3243: 	</textarea>
 3244: 	<br />
 3245: 	<input type="hidden" name="folderpath" value="$path" />
 3246: 	<input type="hidden" name="cmd" value="upload_supplemental" />
 3247: 	<span class="LC_nobreak">
 3248: 	<input type="submit" value="$lt{'upld'}" />
 3249: 	 $help{'Uploading_From_Harddrive'}
 3250: 	</span>
 3251: 	</form>
 3252: SUPDOCFORM
 3253: 
 3254: 	my $supnewfolderform=(<<SNFFORM);
 3255: 	<form action="/adm/coursedocs" method="post" name="supnewfolder">
 3256: 	<input type="hidden" name="folderpath" value="$path" />
 3257: 	<input type="hidden" name="importdetail" value="" />
 3258: 	<span class="LC_nobreak">
 3259: 	<input name="newfolder" type="button"
 3260: 	onClick="javascript:makenewfolder(this.form,'$folderseq');"
 3261: 	value="$lt{'newf'}" /> $help{'Adding_Folders'}
 3262: 	</span>
 3263: 	</form>
 3264: SNFFORM
 3265: 
 3266: 
 3267: 	my $supnewextform=(<<SNEFORM);
 3268: 	<form action="/adm/coursedocs" method="post" name="supnewext">
 3269: 	<input type="hidden" name="folderpath" value="$path" />
 3270: 	<input type="hidden" name="importdetail" value="" />
 3271: 	<span class="LC_nobreak">
 3272: 	<input name="newext" type="button" 
 3273: 	onClick="javascript:makenewext('supnewext');"
 3274: 	value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 3275: 	</span>
 3276: 	</form>
 3277: SNEFORM
 3278: 
 3279: 	my $supnewsylform=(<<SNSFORM);
 3280: 	<form action="/adm/coursedocs" method="post" name="supnewsyl">
 3281: 	<input type="hidden" name="folderpath" value="$path" />
 3282: 	<input type="hidden" name="importdetail" 
 3283: 	value="Syllabus=/public/$coursedom/$coursenum/syllabus" />
 3284: 	<span class="LC_nobreak">
 3285: 	<input name="newsyl" type="submit" value="$lt{'syll'}" />
 3286: 	$help{'Syllabus'}
 3287: 	</span>
 3288: 	</form>
 3289: SNSFORM
 3290: 
 3291: 	my $supnewaboutmeform=(<<SNAMFORM);
 3292: 	<form action="/adm/coursedocs" method="post" name="subnewaboutme">
 3293: 	<input type="hidden" name="folderpath" value="$path" />
 3294: 	<input type="hidden" name="importdetail" 
 3295: 	value="$plainname=/adm/$udom/$uname/aboutme" />
 3296: 	<span class="LC_nobreak">
 3297: 	<input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 3298: 	$help{'My Personal Info'}
 3299: 	</span>
 3300: 	</form>
 3301: SNAMFORM
 3302: 
 3303: 	   $r->print(<<ENDSUPFORM);
 3304: <ul class="LC_TabContent">
 3305: <li>$lt{'nd'}</li>
 3306: <li>$lt{'sd'}</li>
 3307: <li>$lt{'hao'}</li>
 3308: </ul>
 3309: <table class="LC_docs_adddocs">
 3310: <tr><td>
 3311: $supupdocform
 3312: </td>
 3313: <td>
 3314: $supnewfolderform
 3315: <br />
 3316: $supnewextform
 3317: <br />
 3318: $supnewsylform
 3319: <br />
 3320: $supnewaboutmeform
 3321: </td></tr>
 3322: </table></td></tr>
 3323: ENDSUPFORM
 3324:        }
 3325:     }
 3326:     $r->print('</table>');
 3327:     if ($allowed) {
 3328: 	$r->print('
 3329: <form method="post" name="extimport" action="/adm/coursedocs">
 3330:   <input type="hidden" name="title" />
 3331:   <input type="hidden" name="url" />
 3332:   <input type="hidden" name="useform" />
 3333:   <input type="hidden" name="residx" />
 3334: </form>');
 3335:     }
 3336:   } else {
 3337:       unless ($upload_result eq 'phasetwo') {
 3338: # -------------------------------------------------------- This is showdoc mode
 3339:           $r->print("<h1>".&mt('Uploaded Document').' - '.
 3340: 		&Apache::lonnet::gettitle($r->uri).'</h1><p>'.
 3341: &mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><table>".
 3342:           &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table>');
 3343:       }
 3344:   }
 3345:  }
 3346:  $r->print(&Apache::loncommon::end_page());
 3347:  return OK;
 3348: } 
 3349: 
 3350: 
 3351: sub editing_js {
 3352:     my ($udom,$uname) = @_;
 3353:     my $now = time();
 3354:     my %lt = &Apache::lonlocal::texthash(
 3355:                                           p_mnf => 'Name of New Folder',
 3356:                                           t_mnf => 'New Folder',
 3357:                                           p_mnp => 'Name of New Page',
 3358:                                           t_mnp => 'New Page',
 3359:                                           p_mxu => 'Title for the Uploaded Score',
 3360:                                           p_msp => 'Title for the Page',
 3361:                                           p_msb => 'Title for the Problem',
 3362:                                           p_mdb => 'Title for the Drop Box',
 3363:                                           p_mbb => 'Title for the Bulletin Board',
 3364:                                           p_mab => "Enter user:domain for User's 'About Me' Page",
 3365:                                           p_mab2 => "About [_99]",
 3366:                                           p_mab_alrt1 => 'Not a valid user:domain',
 3367:                                           p_mab_alrt2 => 'Please enter both user and domain in the format user:domain',
 3368:                                           p_chn => 'New Title',
 3369:                                           p_rmr1 => 'WARNING: Removing a resource makes associated grades and scores inaccessible!',
 3370:                                           p_rmr2a => 'Remove[_99]',
 3371:                                           p_rmr2b => '?[_99]',
 3372:                                           p_ctr1a => 'WARNING: Cutting a resource makes associated grades and scores inaccessible!',
 3373:                                           p_ctr1b => 'Grades remain inaccessible if resource is pasted into another folder.',
 3374:                                           p_ctr2a => 'Cut[_98]',
 3375:                                           p_ctr2b => '?[_98]'
 3376:                                         );
 3377: 
 3378:     return <<ENDNEWSCRIPT;
 3379: function makenewfolder(targetform,folderseq) {
 3380:     var foldername=prompt('$lt{"p_mnf"}','$lt{"t_mnf"}');
 3381:     if (foldername) {
 3382:        targetform.importdetail.value=escape(foldername)+"="+folderseq;
 3383:         targetform.submit();
 3384:     }
 3385: }
 3386: 
 3387: function makenewpage(targetform,folderseq) {
 3388:     var pagename=prompt('$lt{"p_mnp"}','$lt{"t_mnp"}');
 3389:     if (pagename) {
 3390:         targetform.importdetail.value=escape(pagename)+"="+folderseq;
 3391:         targetform.submit();
 3392:     }
 3393: }
 3394: 
 3395: function makenewext(targetname) {
 3396:     this.document.forms.extimport.useform.value=targetname;
 3397:     this.document.forms.extimport.title.value='';
 3398:     this.document.forms.extimport.url.value='';
 3399:     this.document.forms.extimport.residx.value='';
 3400:     window.open('/adm/rat/extpickframe.html');
 3401: }
 3402: 
 3403: function edittext(targetname,residx,title,url) {
 3404:     this.document.forms.extimport.useform.value=targetname;
 3405:     this.document.forms.extimport.residx.value=residx;
 3406:     this.document.forms.extimport.url.value=url;
 3407:     this.document.forms.extimport.title.value=title;
 3408:     window.open('/adm/rat/extpickframe.html');
 3409: }
 3410: 
 3411: function makeexamupload() {
 3412:    var title=prompt('$lt{"p_mxu"}');
 3413:    if (title) { 
 3414:     this.document.forms.newexamupload.importdetail.value=
 3415: 	escape(title)+'=/res/lib/templates/examupload.problem';
 3416:     this.document.forms.newexamupload.submit();
 3417:    }
 3418: }
 3419: 
 3420: function makesmppage() {
 3421:    var title=prompt('$lt{"p_msp"}');
 3422:    if (title) { 
 3423:     this.document.forms.newsmppg.importdetail.value=
 3424: 	escape(title)+'=/adm/$udom/$uname/$now/smppg';
 3425:     this.document.forms.newsmppg.submit();
 3426:    }
 3427: }
 3428: 
 3429: function makesmpproblem() {
 3430:    var title=prompt('$lt{"p_msb"}');
 3431:    if (title) { 
 3432:     this.document.forms.newsmpproblem.importdetail.value=
 3433: 	escape(title)+'=/res/lib/templates/simpleproblem.problem';
 3434:     this.document.forms.newsmpproblem.submit();
 3435:    }
 3436: }
 3437: 
 3438: function makedropbox() {
 3439:    var title=prompt('$lt{"p_mdb"}');
 3440:    if (title) { 
 3441:     this.document.forms.newdropbox.importdetail.value=
 3442:         escape(title)+'=/res/lib/templates/DropBox.problem';
 3443:     this.document.forms.newdropbox.submit();
 3444:    }
 3445: }
 3446: 
 3447: function makebulboard() {
 3448:    var title=prompt('$lt{"p_mbb"}');
 3449:    if (title) {
 3450:     this.document.forms.newbul.importdetail.value=
 3451: 	escape(title)+'=/adm/$udom/$uname/$now/bulletinboard';
 3452:     this.document.forms.newbul.submit();
 3453:    }
 3454: }
 3455: 
 3456: function makeabout() {
 3457:    var user=prompt("$lt{'p_mab'}");
 3458:    if (user) {
 3459:        var comp=new Array();
 3460:        comp=user.split(':');
 3461:        if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {
 3462: 	   if ((comp[0]) && (comp[1])) {
 3463: 	       this.document.forms.newaboutsomeone.importdetail.value=
 3464: 		   '$lt{"p_mab2"}'+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
 3465: 	       this.document.forms.newaboutsomeone.submit();
 3466: 	   } else {
 3467:                alert("$lt{'p_mab_alrt1'}");
 3468:            }
 3469:        } else {
 3470:            alert("$lt{'p_mab_alrt2'}");
 3471:        }
 3472:    }
 3473: }
 3474: 
 3475: function makeims() {
 3476:     var caller = document.forms.ims.folder.value;
 3477:     var newlocation = "/adm/imsimportdocs?folder="+caller+"&phase=one";
 3478:     newWindow = window.open("","IMSimport","HEIGHT=700,WIDTH=750,scrollbars=yes");
 3479:     newWindow.location.href = newlocation;
 3480: }
 3481: 
 3482: 
 3483: function finishpick() {
 3484:     var title=this.document.forms.extimport.title.value;
 3485:     var url=this.document.forms.extimport.url.value;
 3486:     var form=this.document.forms.extimport.useform.value;
 3487:     var residx=this.document.forms.extimport.residx.value;
 3488:     eval('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+'='+residx+'";this.document.forms.'+form+'.submit();');
 3489: }
 3490: 
 3491: function changename(folderpath,index,oldtitle,container,pagesymb) {
 3492:     var title=prompt('$lt{"p_chn"}',oldtitle);
 3493:     if (title) {
 3494: 	this.document.forms.renameform.markcopy.value=-1;
 3495: 	this.document.forms.renameform.title.value=title;
 3496: 	this.document.forms.renameform.cmd.value='rename_'+index;
 3497:         if (container == 'sequence') {
 3498: 	    this.document.forms.renameform.folderpath.value=folderpath;
 3499:         }
 3500:         if (container == 'page') {
 3501:             this.document.forms.renameform.pagepath.value=folderpath;
 3502:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3503:         }
 3504:         this.document.forms.renameform.submit();
 3505:     }
 3506: }
 3507: 
 3508: function removeres(folderpath,index,oldtitle,container,pagesymb,skip_confirm) {
 3509:     if (skip_confirm || confirm('$lt{"p_rmr1"}\\n\\n$lt{"p_rmr2a"} "'+oldtitle+'" $lt{"p_rmr2b"}')) {
 3510: 	this.document.forms.renameform.markcopy.value=-1;
 3511: 	this.document.forms.renameform.cmd.value='del_'+index;
 3512:         if (container == 'sequence') {
 3513:             this.document.forms.renameform.folderpath.value=folderpath;
 3514:         }
 3515:         if (container == 'page') {
 3516:             this.document.forms.renameform.pagepath.value=folderpath;
 3517:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3518:         }
 3519:         this.document.forms.renameform.submit();
 3520:     }
 3521: }
 3522: 
 3523: function cutres(folderpath,index,oldtitle,container,pagesymb,folder,skip_confirm) {
 3524:     if (skip_confirm || confirm('$lt{"p_ctr1a"}\\n$lt{"p_ctr1b"}\\n\\n$lt{"p_ctr2a"} "'+oldtitle+'" $lt{"p_ctr2b"}')) {
 3525: 	this.document.forms.renameform.cmd.value='cut_'+index;
 3526: 	this.document.forms.renameform.markcopy.value=index;
 3527: 	this.document.forms.renameform.copyfolder.value=folder+'.'+container;
 3528:         if (container == 'sequence') {
 3529:             this.document.forms.renameform.folderpath.value=folderpath;
 3530:         }
 3531:         if (container == 'page') {
 3532:             this.document.forms.renameform.pagepath.value=folderpath;
 3533:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3534:         }
 3535:         this.document.forms.renameform.submit();
 3536:     }
 3537: }
 3538: 
 3539: function markcopy(folderpath,index,oldtitle,container,pagesymb,folder) {
 3540:     this.document.forms.renameform.markcopy.value=index;
 3541:     this.document.forms.renameform.copyfolder.value=folder+'.'+container;
 3542:     if (container == 'sequence') {
 3543: 	this.document.forms.renameform.folderpath.value=folderpath;
 3544:     }
 3545:     if (container == 'page') {
 3546: 	this.document.forms.renameform.pagepath.value=folderpath;
 3547: 	this.document.forms.renameform.pagesymb.value=pagesymb;
 3548:     }
 3549:     this.document.forms.renameform.submit();
 3550: }
 3551: 
 3552: 
 3553: ENDNEWSCRIPT
 3554: }
 3555: 1;
 3556: __END__
 3557: 
 3558: 
 3559: =head1 NAME
 3560: 
 3561: Apache::londocs.pm
 3562: 
 3563: =head1 SYNOPSIS
 3564: 
 3565: This is part of the LearningOnline Network with CAPA project
 3566: described at http://www.lon-capa.org.
 3567: 
 3568: =head1 SUBROUTINES
 3569: 
 3570: =over
 3571: 
 3572: =item %help=()
 3573: 
 3574: Available help topics
 3575: 
 3576: =item mapread()
 3577: 
 3578: Mapread read maps into LONCAPA::map:: global arrays 
 3579: @order and @resources, determines status
 3580: sets @order - pointer to resources in right order
 3581: sets @resources - array with the resources with correct idx
 3582: 
 3583: =item authorhosts()
 3584: 
 3585: Return hash with valid author names
 3586: 
 3587: =item dumpbutton()
 3588: 
 3589: Generate "dump" button
 3590: 
 3591: =item clean()
 3592: 
 3593: =item dumpcourse()
 3594: 
 3595:     Actually dump course
 3596: 
 3597: 
 3598: =item exportbutton()
 3599: 
 3600:     Generate "export" button
 3601: 
 3602: =item exportcourse()
 3603: 
 3604: =item create_ims_store()
 3605: 
 3606: =item build_package()
 3607: 
 3608: =item get_dependencies()
 3609: 
 3610: =item process_content()
 3611: 
 3612: =item replicate_content()
 3613: 
 3614: =item extract_media()
 3615: 
 3616: =item store_template()
 3617: 
 3618: =item group_import()
 3619: 
 3620:     Imports the given (name, url) resources into the course
 3621:     coursenum, coursedom, and folder must precede the list
 3622: 
 3623: =item breadcrumbs()
 3624: 
 3625: =item log_docs()
 3626: 
 3627: =item docs_change_log()
 3628: 
 3629: =item update_paste_buffer()
 3630: 
 3631: =item print_paste_buffer()
 3632: 
 3633: =item do_paste_from_buffer()
 3634: 
 3635: =item update_parameter()
 3636: 
 3637: =item handle_edit_cmd()
 3638: 
 3639: =item editor()
 3640: 
 3641: =item process_file_upload()
 3642: 
 3643: =item process_secondary_uploads()
 3644: 
 3645: =item is_supplemental_title()
 3646: 
 3647: =item parse_supplemental_title()
 3648: 
 3649: =item entryline()
 3650: 
 3651: =item tiehash()
 3652: 
 3653: =item untiehash()
 3654: 
 3655: =item checkonthis()
 3656: 
 3657: check on this
 3658: 
 3659: =item verifycontent()
 3660: 
 3661: Verify Content
 3662: 
 3663: =item devalidateversioncache() & checkversions()
 3664: 
 3665: Check Versions
 3666: 
 3667: =item mark_hash_old()
 3668: 
 3669: =item is_hash_old()
 3670: 
 3671: =item changewarning()
 3672: 
 3673: =item init_breadcrumbs()
 3674: 
 3675: Breadcrumbs for special functions
 3676: 
 3677: =back
 3678: 
 3679: =cut

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